git.delta.rocks / unique-network / refs/commits / 3fb62366cc89

difftreelog

Merge pull request #153 from usetech-llc/feature/NFTPAR-536_code_style

usetech-llc2021-07-08parents: #d08f396 #ad8b982.patch.diff
in: master
Enforce codestyle

117 files changed

modified.devcontainer/devcontainer.jsondiffbeforeafterboth
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -12,7 +12,8 @@
 		}
 	},
 	"extensions": [
-		"matklad.rust-analyzer"
+		"matklad.rust-analyzer",
+		"dbaeumer.vscode-eslint"
 	],
 	"remoteUser": "vscode"
 }
added.github/workflows/codestyle.ymldiffbeforeafterboth
--- /dev/null
+++ b/.github/workflows/codestyle.yml
@@ -0,0 +1,37 @@
+name: Code style
+
+on: [push]
+
+jobs:
+  rustfmt:
+    runs-on: ubuntu-20.04
+
+    steps:
+      - uses: actions/checkout@v1
+      - name: Install latest nightly
+        uses: actions-rs/toolchain@v1
+        with:
+            toolchain: nightly
+            default: true
+            target: wasm32-unknown-unknown
+            components: rustfmt, clippy
+      - name: Run cargo fmt
+        run: cargo fmt -- --check
+
+  clippy:
+    if: ${{ false }}
+    runs-on: ubuntu-20.04
+
+    steps:
+      - uses: actions/checkout@v1
+      - name: Install substrate dependencies
+        run: sudo apt-get install libssl-dev pkg-config libclang-dev clang
+      - name: Install latest nightly
+        uses: actions-rs/toolchain@v1
+        with:
+            toolchain: nightly
+            default: true
+            target: wasm32-unknown-unknown
+            components: rustfmt, clippy
+      - name: Run cargo check
+        run: cargo clippy -- -Dwarnings
added.github/workflows/tests_codestyle.ymldiffbeforeafterboth
--- /dev/null
+++ b/.github/workflows/tests_codestyle.yml
@@ -0,0 +1,14 @@
+name: Tests code style
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-20.04
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Install modules
+      run: cd tests && yarn
+    - name: Run ESLint
+      run: cd tests && yarn eslint --ext .ts,.js src/
\ No newline at end of file
added.rustfmt.tomldiffbeforeafterboth
--- /dev/null
+++ b/.rustfmt.toml
@@ -0,0 +1,2 @@
+hard_tabs = true
+reorder_imports = false
\ No newline at end of file
added.vscode/extensions.jsondiffbeforeafterboth
--- /dev/null
+++ b/.vscode/extensions.json
@@ -0,0 +1,5 @@
+{
+    "recommendations": [
+        "dbaeumer.vscode-eslint"
+    ]
+}
\ No newline at end of file
added.vscode/settings.jsondiffbeforeafterboth
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,9 @@
+{
+    "eslint.format.enable": true,
+    "[javascript]": {
+        "editor.defaultFormatter": "dbaeumer.vscode-eslint"
+    },
+    "[typescript]": {
+        "editor.defaultFormatter": "dbaeumer.vscode-eslint"
+    }
+}
\ No newline at end of file
modifiedCargo.lockdiffbeforeafterboth
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5996,34 +5996,34 @@
 [[package]]
 name = "pallet-scheduler"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.3#c94e0cdfe5556680dca1996004751eeb114755d7"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
  "frame-system",
  "log",
  "parity-scale-codec 2.1.3",
+ "serde",
+ "sp-core",
  "sp-io",
  "sp-runtime",
  "sp-std",
+ "substrate-test-utils",
+ "up-sponsorship",
 ]
 
 [[package]]
 name = "pallet-scheduler"
 version = "3.0.0"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.3#c94e0cdfe5556680dca1996004751eeb114755d7"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
  "frame-system",
  "log",
  "parity-scale-codec 2.1.3",
- "serde",
- "sp-core",
  "sp-io",
  "sp-runtime",
  "sp-std",
- "substrate-test-utils",
- "up-sponsorship",
 ]
 
 [[package]]
modifiedREADME.mddiffbeforeafterboth
--- a/README.md
+++ b/README.md
@@ -228,3 +228,26 @@
 ## Running Integration Tests
 
 See [tests/README.md](./tests/README.md).
+
+## Code Formatting
+
+### Get formatter and linter settings into your branch (if you forked before they were introduced)
+```bash
+git cherry-pick -n 8ff77c21b0d30b2a4648fa35dbf61dfa9d3948a7
+```
+
+### Apply formatting and clippy fixes
+```bash
+cargo clippy
+cargo fmt
+```
+
+### Format tests
+```bash
+pushd tests && yarn fix ; popd
+```
+
+### Check code style in tests
+```bash
+cd tests && yarn eslint --ext .ts,.js src/
+```
\ No newline at end of file
modifiedcrates/evm-coder-macros/src/lib.rsdiffbeforeafterboth
--- a/crates/evm-coder-macros/src/lib.rs
+++ b/crates/evm-coder-macros/src/lib.rs
@@ -1,3 +1,5 @@
+#![allow(dead_code)]
+
 use darling::FromMeta;
 use inflector::cases;
 use proc_macro::TokenStream;
modifiedcrates/evm-coder-macros/src/solidity_interface.rsdiffbeforeafterboth
--- a/crates/evm-coder-macros/src/solidity_interface.rs
+++ b/crates/evm-coder-macros/src/solidity_interface.rs
@@ -1,3 +1,5 @@
+#![allow(dead_code)]
+
 use quote::quote;
 use darling::FromMeta;
 use inflector::cases;
@@ -262,7 +264,7 @@
 			ReturnType::Type(_, ty) => ty,
 			_ => return Err(syn::Error::new(value.sig.output.span(), "interface method should return Result<value>\nif there is no value to return - specify void (which is alias to unit)")),
 		};
-		let result = parse_result_ok(&result)?;
+		let result = parse_result_ok(result)?;
 
 		let camel_name = info
 			.rename_selector
@@ -283,8 +285,8 @@
 		Ok(Self {
 			name: ident.clone(),
 			camel_name,
-			pascal_name: snake_ident_to_pascal(&ident),
-			screaming_name: snake_ident_to_screaming(&ident),
+			pascal_name: snake_ident_to_pascal(ident),
+			screaming_name: snake_ident_to_screaming(ident),
 			selector_str,
 			selector,
 			args,
@@ -431,7 +433,7 @@
 						found_error = true;
 					}
 				}
-				TraitItem::Method(method) => methods.push(Method::try_from(&method)?),
+				TraitItem::Method(method) => methods.push(Method::try_from(method)?),
 				_ => {}
 			}
 		}
@@ -545,6 +547,7 @@
 				#(
 					#call_inner
 				)*
+				#[allow(unreachable_code)] // In case of no inner calls
 				fn call(&mut self, c: Msg<#call_name>) -> ::core::result::Result<::evm_coder::abi::AbiWriter, Self::Error> {
 					use ::evm_coder::abi::AbiWrite;
 					type InternalCall = #call_name;
modifiedcrates/evm-coder-macros/src/to_log.rsdiffbeforeafterboth
--- a/crates/evm-coder-macros/src/to_log.rs
+++ b/crates/evm-coder-macros/src/to_log.rs
@@ -41,7 +41,7 @@
 impl Event {
 	fn try_from(variant: &Variant) -> syn::Result<Self> {
 		let name = &variant.ident;
-		let name_screaming = snake_ident_to_screaming(&name);
+		let name_screaming = snake_ident_to_screaming(name);
 
 		let named = match &variant.fields {
 			Fields::Named(named) => named,
@@ -54,7 +54,7 @@
 		};
 		let mut fields = Vec::new();
 		for field in &named.named {
-			fields.push(EventField::try_from(&field)?);
+			fields.push(EventField::try_from(field)?);
 		}
 		let mut selector_str = format!("{}(", name);
 		for (i, arg) in fields.iter().enumerate() {
modifiedcrates/evm-coder/src/abi.rsdiffbeforeafterboth
--- a/crates/evm-coder/src/abi.rs
+++ b/crates/evm-coder/src/abi.rs
@@ -104,7 +104,7 @@
 	fn subresult(&mut self) -> Result<AbiReader<'i>> {
 		let offset = self.read_usize()?;
 		Ok(AbiReader {
-			buf: &self.buf,
+			buf: self.buf,
 			offset: offset + self.offset,
 		})
 	}
@@ -252,7 +252,7 @@
 impl_abi_writeable!(&str, string);
 impl AbiWrite for &string {
 	fn abi_write(&self, writer: &mut AbiWriter) {
-		writer.string(&self)
+		writer.string(self)
 	}
 }
 
modifiedcrates/evm-coder/tests/a.rsdiffbeforeafterboth
--- a/crates/evm-coder/tests/a.rs
+++ b/crates/evm-coder/tests/a.rs
@@ -1,3 +1,5 @@
+#![allow(dead_code)] // This test only checks that macros is not panicking
+
 use evm_coder::{solidity_interface, types::*, ToLog};
 use evm_coder_macros::solidity;
 
modifiednode/cli/Cargo.tomldiffbeforeafterboth
--- a/node/cli/Cargo.toml
+++ b/node/cli/Cargo.toml
@@ -3,7 +3,7 @@
 
 [build-dependencies.substrate-build-script-utils]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 ################################################################################
@@ -17,196 +17,196 @@
 
 [dependencies.frame-benchmarking]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.frame-benchmarking-cli]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.pallet-transaction-payment-rpc]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.substrate-prometheus-endpoint]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '0.9.0'
 
 [dependencies.sc-basic-authorship]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '0.9.0'
 
 [dependencies.sc-chain-spec]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sc-cli]
 features = ['wasmtime']
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '0.9.0'
 
 [dependencies.sc-client-api]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sc-consensus]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '0.9.0'
 
 [dependencies.sc-consensus-aura]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '0.9.0'
 
 [dependencies.sc-executor]
 features = ['wasmtime']
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '0.9.0'
 
 [dependencies.sc-finality-grandpa]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '0.9.0'
 
 [dependencies.sc-keystore]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sc-rpc]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sc-rpc-api]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '0.9.0'
 
 [dependencies.sc-service]
 features = ['wasmtime']
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '0.9.0'
 
 [dependencies.sc-telemetry]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sc-transaction-pool]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sc-tracing]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sp-block-builder]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sp-api]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sp-blockchain]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sp-consensus]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '0.9.0'
 
 [dependencies.sp-consensus-aura]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '0.9.0'
 
 [dependencies.sp-core]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sp-finality-grandpa]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sp-inherents]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sp-keystore]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '0.9.0'
 
 [dependencies.sp-offchain]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sp-runtime]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sp-session]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sp-timestamp]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sp-transaction-pool]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sp-trie]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.substrate-frame-rpc-system]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.pallet-contracts]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.pallet-contracts-rpc]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 
 [dependencies.sc-network]
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '0.9.0'
 
 [dependencies.serde]
@@ -222,58 +222,58 @@
 
 [dependencies.cumulus-client-consensus-aura]
 git = 'https://github.com/paritytech/cumulus.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 
 [dependencies.cumulus-client-consensus-common]
 git = 'https://github.com/paritytech/cumulus.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 
 [dependencies.cumulus-client-collator]
 git = 'https://github.com/paritytech/cumulus.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 
 [dependencies.cumulus-client-cli]
 git = 'https://github.com/paritytech/cumulus.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 
 [dependencies.cumulus-client-network]
 git = 'https://github.com/paritytech/cumulus.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 
 [dependencies.cumulus-primitives-core]
 git = 'https://github.com/paritytech/cumulus.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 
 [dependencies.cumulus-primitives-parachain-inherent]
 git = 'https://github.com/paritytech/cumulus.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 
 [dependencies.cumulus-client-service]
 git = 'https://github.com/paritytech/cumulus.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 
 
 ################################################################################
 # Polkadot dependencies
 [dependencies.polkadot-primitives]
 git = "https://github.com/paritytech/polkadot"
-branch = 'release-v0.9.3'
+branch = 'release-v0.9.7'
 
 [dependencies.polkadot-service]
 git = "https://github.com/paritytech/polkadot"
-branch = 'release-v0.9.3'
+branch = 'release-v0.9.7'
 
 [dependencies.polkadot-cli]
 git = "https://github.com/paritytech/polkadot"
-branch = 'release-v0.9.3'
+branch = 'release-v0.9.7'
 
 [dependencies.polkadot-test-service]
 git = "https://github.com/paritytech/polkadot"
-branch = 'release-v0.9.3'
+branch = 'release-v0.9.7'
 
 [dependencies.polkadot-parachain]
 git = "https://github.com/paritytech/polkadot"
-branch = 'release-v0.9.3'
+branch = 'release-v0.9.7'
 
 
 ################################################################################
@@ -322,7 +322,7 @@
 fc-rpc = { version = "2.0.0-dev", git = "https://github.com/usetech-llc/frontier.git", branch = "injected-transactions-parachain" }
 fc-db = { version = "1.0.0", git = "https://github.com/usetech-llc/frontier.git", branch = "injected-transactions-parachain" }
 fp-rpc = { version = "2.0.0", git = "https://github.com/usetech-llc/frontier.git", branch = "injected-transactions-parachain" }
-pallet-ethereum = { version = "2.0.0-dev", git = "https://github.com/usetech-llc/frontier.git", branch = "injected-transactions-parachain" }
+pallet-ethereum = { version = "3.0.0-dev", git = "https://github.com/usetech-llc/frontier.git", branch = "injected-transactions-parachain" }
 
 nft-rpc = { path = "../rpc" }
 
modifiednode/cli/build.rsdiffbeforeafterboth
--- a/node/cli/build.rs
+++ b/node/cli/build.rs
@@ -6,7 +6,7 @@
 use substrate_build_script_utils::{generate_cargo_keys, rerun_if_git_head_changed};
 
 fn main() {
-    generate_cargo_keys();
+	generate_cargo_keys();
 
-    rerun_if_git_head_changed();
+	rerun_if_git_head_changed();
 }
modifiednode/cli/src/chain_spec.rsdiffbeforeafterboth
--- a/node/cli/src/chain_spec.rs
+++ b/node/cli/src/chain_spec.rs
@@ -64,20 +64,22 @@
 		// ID
 		"dev",
 		ChainType::Local,
-		move || testnet_genesis(
-			// Sudo account
-			get_account_id_from_seed::<sr25519::Public>("Alice"),
-			vec![
-				get_from_seed::<AuraId>("Alice"),
-				get_from_seed::<AuraId>("Bob"),
-			],
-			// Pre-funded accounts
-			vec![
+		move || {
+			testnet_genesis(
+				// Sudo account
 				get_account_id_from_seed::<sr25519::Public>("Alice"),
-				get_account_id_from_seed::<sr25519::Public>("Bob"),
-			],
-			id,
-		),
+				vec![
+					get_from_seed::<AuraId>("Alice"),
+					get_from_seed::<AuraId>("Bob"),
+				],
+				// Pre-funded accounts
+				vec![
+					get_account_id_from_seed::<sr25519::Public>("Alice"),
+					get_account_id_from_seed::<sr25519::Public>("Bob"),
+				],
+				id,
+			)
+		},
 		// Bootnodes
 		vec![],
 		// Telemetry
@@ -101,30 +103,32 @@
 		// ID
 		"local_testnet",
 		ChainType::Local,
-		move || testnet_genesis(
-			// Sudo account
-			get_account_id_from_seed::<sr25519::Public>("Alice"),
-			vec![
-				get_from_seed::<AuraId>("Alice"),
-				get_from_seed::<AuraId>("Bob"),
-			],
-			// Pre-funded accounts
-			vec![
+		move || {
+			testnet_genesis(
+				// Sudo account
 				get_account_id_from_seed::<sr25519::Public>("Alice"),
-				get_account_id_from_seed::<sr25519::Public>("Bob"),
-				get_account_id_from_seed::<sr25519::Public>("Charlie"),
-				get_account_id_from_seed::<sr25519::Public>("Dave"),
-				get_account_id_from_seed::<sr25519::Public>("Eve"),
-				get_account_id_from_seed::<sr25519::Public>("Ferdie"),
-				get_account_id_from_seed::<sr25519::Public>("Alice//stash"),
-				get_account_id_from_seed::<sr25519::Public>("Bob//stash"),
-				get_account_id_from_seed::<sr25519::Public>("Charlie//stash"),
-				get_account_id_from_seed::<sr25519::Public>("Dave//stash"),
-				get_account_id_from_seed::<sr25519::Public>("Eve//stash"),
-				get_account_id_from_seed::<sr25519::Public>("Ferdie//stash"),
-			],
-			id,
-		),
+				vec![
+					get_from_seed::<AuraId>("Alice"),
+					get_from_seed::<AuraId>("Bob"),
+				],
+				// Pre-funded accounts
+				vec![
+					get_account_id_from_seed::<sr25519::Public>("Alice"),
+					get_account_id_from_seed::<sr25519::Public>("Bob"),
+					get_account_id_from_seed::<sr25519::Public>("Charlie"),
+					get_account_id_from_seed::<sr25519::Public>("Dave"),
+					get_account_id_from_seed::<sr25519::Public>("Eve"),
+					get_account_id_from_seed::<sr25519::Public>("Ferdie"),
+					get_account_id_from_seed::<sr25519::Public>("Alice//stash"),
+					get_account_id_from_seed::<sr25519::Public>("Bob//stash"),
+					get_account_id_from_seed::<sr25519::Public>("Charlie//stash"),
+					get_account_id_from_seed::<sr25519::Public>("Dave//stash"),
+					get_account_id_from_seed::<sr25519::Public>("Eve//stash"),
+					get_account_id_from_seed::<sr25519::Public>("Ferdie//stash"),
+				],
+				id,
+			)
+		},
 		// Bootnodes
 		vec![],
 		// Telemetry
@@ -142,83 +146,82 @@
 }
 
 fn testnet_genesis(
-    root_key: AccountId,
+	root_key: AccountId,
 	initial_authorities: Vec<AuraId>,
-    endowed_accounts: Vec<AccountId>,
+	endowed_accounts: Vec<AccountId>,
 	id: ParaId,
 ) -> GenesisConfig {
-
-	let vested_accounts = vec![
-		get_account_id_from_seed::<sr25519::Public>("Bob"),
-	];
+	let vested_accounts = vec![get_account_id_from_seed::<sr25519::Public>("Bob")];
 
-    GenesisConfig {
+	GenesisConfig {
 		system: nft_runtime::SystemConfig {
 			code: nft_runtime::WASM_BINARY
 				.expect("WASM binary was not build, please build it!")
 				.to_vec(),
 			changes_trie_config: Default::default(),
 		},
-        pallet_balances: BalancesConfig {
-            balances: endowed_accounts
-                .iter()
-                .cloned()
-                .map(|k| (k, 1 << 70))
-                .collect(),
-        },
-		pallet_treasury: Default::default(),
-		pallet_sudo: SudoConfig { key: root_key },
-		pallet_vesting: VestingConfig {
-            vesting: vested_accounts
-                .iter()
-                .cloned()
-                .map(|k| (k, 1000, 100, 1 << 98))
-                .collect(),
-        },
-        pallet_nft: NftConfig {
-            collection_id: vec![(
-                1,
-                Collection {
-                    owner: get_account_id_from_seed::<sr25519::Public>("Alice"),
-                    mode: CollectionMode::NFT,
-                    access: AccessMode::Normal,
-                    decimal_points: 0,
-                    name: vec![],
-                    description: vec![],
-                    token_prefix: vec![],
-                    mint_mode: false,
+		balances: BalancesConfig {
+			balances: endowed_accounts
+				.iter()
+				.cloned()
+				.map(|k| (k, 1 << 70))
+				.collect(),
+		},
+		treasury: Default::default(),
+		sudo: SudoConfig { key: root_key },
+		vesting: VestingConfig {
+			vesting: vested_accounts
+				.iter()
+				.cloned()
+				.map(|k| (k, 1000, 100, 1 << 98))
+				.collect(),
+		},
+		nft: NftConfig {
+			collection_id: vec![(
+				1,
+				Collection {
+					owner: get_account_id_from_seed::<sr25519::Public>("Alice"),
+					mode: CollectionMode::NFT,
+					access: AccessMode::Normal,
+					decimal_points: 0,
+					name: vec![],
+					description: vec![],
+					token_prefix: vec![],
+					mint_mode: false,
 					offchain_schema: vec![],
 					schema_version: SchemaVersion::default(),
-                    sponsorship: SponsorshipState::Confirmed(get_account_id_from_seed::<sr25519::Public>("Alice")),
-                    const_on_chain_schema: vec![],
+					sponsorship: SponsorshipState::Confirmed(get_account_id_from_seed::<
+						sr25519::Public,
+					>("Alice")),
+					const_on_chain_schema: vec![],
 					variable_on_chain_schema: vec![],
-					limits: CollectionLimits::default()
-                },
-            )],
-            nft_item_id: vec![],
-            fungible_item_id: vec![],
-            refungible_item_id: vec![],
-            chain_limit: ChainLimits {
-                collection_numbers_limit: 100000,
-                account_token_ownership_limit: 1000000,
-                collections_admins_limit: 5,
-                custom_data_limit: 2048,
-                nft_sponsor_transfer_timeout: 15,
-                fungible_sponsor_transfer_timeout: 15,
+					limits: CollectionLimits::default(),
+				},
+			)],
+			nft_item_id: vec![],
+			fungible_item_id: vec![],
+			refungible_item_id: vec![],
+			chain_limit: ChainLimits {
+				collection_numbers_limit: 100000,
+				account_token_ownership_limit: 1000000,
+				collections_admins_limit: 5,
+				custom_data_limit: 2048,
+				nft_sponsor_transfer_timeout: 15,
+				fungible_sponsor_transfer_timeout: 15,
 				refungible_sponsor_transfer_timeout: 15,
 				offchain_schema_limit: 1024,
 				variable_on_chain_schema_limit: 1024,
 				const_on_chain_schema_limit: 1024,
-            },
-        },
+			},
+		},
 		parachain_info: nft_runtime::ParachainInfoConfig { parachain_id: id },
-		pallet_aura: nft_runtime::AuraConfig {
+		aura: nft_runtime::AuraConfig {
 			authorities: initial_authorities,
 		},
-		cumulus_pallet_aura_ext: Default::default(),
-		pallet_evm: EVMConfig {
+		aura_ext: Default::default(),
+		evm: EVMConfig {
 			accounts: BTreeMap::new(),
 		},
-		pallet_ethereum: EthereumConfig {},
-    }
+		ethereum: EthereumConfig {},
+	}
 }
modifiednode/cli/src/cli.rsdiffbeforeafterboth
--- a/node/cli/src/cli.rs
+++ b/node/cli/src/cli.rs
@@ -1,6 +1,4 @@
 use crate::chain_spec;
-use cumulus_client_cli;
-use sc_cli;
 use std::path::PathBuf;
 use structopt::StructOpt;
 
modifiednode/cli/src/command.rsdiffbeforeafterboth
--- a/node/cli/src/command.rs
+++ b/node/cli/src/command.rs
@@ -18,7 +18,7 @@
 use crate::{
 	chain_spec,
 	cli::{Cli, RelayChainCli, Subcommand},
-	service::{new_partial, ParachainRuntimeExecutor}
+	service::{new_partial, ParachainRuntimeExecutor},
 };
 use codec::Encode;
 use cumulus_primitives_core::ParaId;
@@ -31,7 +31,7 @@
 	NetworkParams, Result, RuntimeVersion, SharedParams, SubstrateCli,
 };
 use sc_service::{
-	config::{BasePath, PrometheusConfig}
+	config::{BasePath, PrometheusConfig},
 };
 use sp_core::hexdisplay::HexDisplay;
 use sp_runtime::traits::Block as BlockT;
@@ -120,8 +120,7 @@
 	}
 
 	fn load_spec(&self, id: &str) -> std::result::Result<Box<dyn sc_service::ChainSpec>, String> {
-		polkadot_cli::Cli::from_iter([RelayChainCli::executable_name().to_string()].iter())
-			.load_spec(id)
+		polkadot_cli::Cli::from_iter([RelayChainCli::executable_name()].iter()).load_spec(id)
 	}
 
 	fn native_runtime_version(chain_spec: &Box<dyn ChainSpec>) -> &'static RuntimeVersion {
@@ -129,6 +128,7 @@
 	}
 }
 
+#[allow(clippy::borrowed_box)]
 fn extract_genesis_wasm(chain_spec: &Box<dyn sc_service::ChainSpec>) -> Result<Vec<u8>> {
 	let mut storage = chain_spec.build_storage()?;
 
@@ -189,7 +189,7 @@
 			runner.sync_run(|config| {
 				let polkadot_cli = RelayChainCli::new(
 					&config,
-					[RelayChainCli::executable_name().to_string()]
+					[RelayChainCli::executable_name()]
 						.iter()
 						.chain(cli.relaychain_args.iter()),
 				);
@@ -251,7 +251,7 @@
 			}
 
 			Ok(())
-		},
+		}
 		Some(Subcommand::Benchmark(cmd)) => {
 			if cfg!(feature = "runtime-benchmarks") {
 				let runner = cli.create_runner(cmd)?;
@@ -259,22 +259,20 @@
 				runner.sync_run(|config| cmd.run::<Block, ParachainRuntimeExecutor>(config))
 			} else {
 				Err("Benchmarking wasn't enabled when building the node. \
-				You can enable it with `--features runtime-benchmarks`.".into())
+				You can enable it with `--features runtime-benchmarks`."
+					.into())
 			}
-		},
+		}
 		None => {
 			let runner = cli.create_runner(&cli.run.normalize())?;
 
 			runner.run_node_until_exit(|config| async move {
-				// TODO
-				let key = sp_core::Pair::generate().0;
-
 				let para_id =
 					chain_spec::Extensions::try_get(&*config.chain_spec).map(|e| e.para_id);
 
 				let polkadot_cli = RelayChainCli::new(
 					&config,
-					[RelayChainCli::executable_name().to_string()]
+					[RelayChainCli::executable_name()]
 						.iter()
 						.chain(cli.relaychain_args.iter()),
 				);
@@ -289,12 +287,9 @@
 				let genesis_state = format!("0x{:?}", HexDisplay::from(&block.header().encode()));
 
 				let task_executor = config.task_executor.clone();
-				let polkadot_config = SubstrateCli::create_configuration(
-					&polkadot_cli,
-					&polkadot_cli,
-					task_executor,
-				)
-				.map_err(|err| format!("Relay chain argument error: {}", err))?;
+				let polkadot_config =
+					SubstrateCli::create_configuration(&polkadot_cli, &polkadot_cli, task_executor)
+						.map_err(|err| format!("Relay chain argument error: {}", err))?;
 
 				info!("Parachain id: {:?}", id);
 				info!("Parachain Account: {}", parachain_account);
@@ -308,7 +303,7 @@
 					}
 				);
 
-				crate::service::start_node(config, key, polkadot_config, id)
+				crate::service::start_node(config, polkadot_config, id)
 					.await
 					.map(|r| r.0)
 					.map_err(Into::into)
@@ -443,4 +438,4 @@
 	) -> Result<Option<sc_telemetry::TelemetryEndpoints>> {
 		self.base.base.telemetry_endpoints(chain_spec)
 	}
-}
\ No newline at end of file
+}
modifiednode/cli/src/service.rsdiffbeforeafterboth
--- a/node/cli/src/service.rs
+++ b/node/cli/src/service.rs
@@ -15,9 +15,7 @@
 use nft_runtime::RuntimeApi;
 
 // Cumulus Imports
-use cumulus_client_consensus_aura::{
-	build_aura_consensus, BuildAuraConsensusParams, SlotProportion,
-};
+use cumulus_client_consensus_aura::{build_aura_consensus, BuildAuraConsensusParams, SlotProportion};
 use cumulus_client_consensus_common::ParachainConsensus;
 use cumulus_client_network::build_block_announce_validator;
 use cumulus_client_service::{
@@ -25,9 +23,6 @@
 };
 use cumulus_primitives_core::ParaId;
 
-// Polkadot Imports
-use polkadot_primitives::v1::CollatorPair;
-
 // Substrate Imports
 use sc_client_api::ExecutorProvider;
 pub use sc_executor::NativeExecutor;
@@ -59,20 +54,23 @@
 );
 
 pub fn open_frontier_backend(config: &Configuration) -> Result<Arc<fc_db::Backend<Block>>, String> {
-	let config_dir = config.base_path.as_ref()
+	let config_dir = config
+		.base_path
+		.as_ref()
 		.map(|base_path| base_path.config_dir(config.chain_spec.id()))
 		.unwrap_or_else(|| {
-			BasePath::from_project("", "", "nft")
-				.config_dir(config.chain_spec.id())
+			BasePath::from_project("", "", "nft").config_dir(config.chain_spec.id())
 		});
 	let database_dir = config_dir.join("frontier").join("db");
 
-	Ok(Arc::new(fc_db::Backend::<Block>::new(&fc_db::DatabaseSettings {
-		source: fc_db::DatabaseSettingsSrc::RocksDb {
-			path: database_dir,
-			cache_size: 0,
-		}
-	})?))
+	Ok(Arc::new(fc_db::Backend::<Block>::new(
+		&fc_db::DatabaseSettings {
+			source: fc_db::DatabaseSettingsSrc::RocksDb {
+				path: database_dir,
+				cache_size: 0,
+			},
+		},
+	)?))
 }
 
 type Executor = ParachainRuntimeExecutor;
@@ -85,6 +83,7 @@
 ///
 /// Use this macro if you don't actually need the full service, but just the builder in order to
 /// be able to perform chain operations.
+#[allow(clippy::type_complexity)]
 pub fn new_partial<BIQ>(
 	config: &Configuration,
 	build_import_queue: BIQ,
@@ -95,7 +94,13 @@
 		FullSelectChain,
 		sp_consensus::DefaultImportQueue<Block, FullClient>,
 		sc_transaction_pool::FullPool<Block, FullClient>,
-		(Option<Telemetry>, PendingTransactions, Option<FilterPool>, Arc<fc_db::Backend<Block>>, Option<TelemetryWorkerHandle>),
+		(
+			Option<Telemetry>,
+			PendingTransactions,
+			Option<FilterPool>,
+			Arc<fc_db::Backend<Block>>,
+			Option<TelemetryWorkerHandle>,
+		),
 	>,
 	sc_service::Error,
 >
@@ -107,12 +112,9 @@
 		&Configuration,
 		Option<TelemetryHandle>,
 		&TaskManager,
-	) -> Result<
-		sp_consensus::DefaultImportQueue<Block, FullClient>,
-		sc_service::Error,
-	>,
+	) -> Result<sp_consensus::DefaultImportQueue<Block, FullClient>, sc_service::Error>,
 {
-	let telemetry = config
+	let _telemetry = config
 		.telemetry_endpoints
 		.clone()
 		.filter(|x| !x.is_empty())
@@ -123,7 +125,9 @@
 		})
 		.transpose()?;
 
-	let telemetry = config.telemetry_endpoints.clone()
+	let telemetry = config
+		.telemetry_endpoints
+		.clone()
 		.filter(|x| !x.is_empty())
 		.map(|endpoints| -> Result<_, sc_telemetry::Error> {
 			let worker = TelemetryWorker::new(16)?;
@@ -134,7 +138,7 @@
 
 	let (client, backend, keystore_container, task_manager) =
 		sc_service::new_full_parts::<Block, RuntimeApi, Executor>(
-			&config,
+			config,
 			telemetry.as_ref().map(|(_, telemetry)| telemetry.handle()),
 		)?;
 	let client = Arc::new(client);
@@ -152,14 +156,13 @@
 		config.transaction_pool.clone(),
 		config.role.is_authority().into(),
 		config.prometheus_registry(),
-		task_manager.spawn_handle(),
+		task_manager.spawn_essential_handle(),
 		client.clone(),
 	);
 
 	let pending_transactions: PendingTransactions = Some(Arc::new(Mutex::new(HashMap::new())));
 
-	let filter_pool: Option<FilterPool>
-		= Some(Arc::new(Mutex::new(BTreeMap::new())));
+	let filter_pool: Option<FilterPool> = Some(Arc::new(Mutex::new(BTreeMap::new())));
 
 	let frontier_backend = open_frontier_backend(config)?;
 
@@ -178,7 +181,13 @@
 		task_manager,
 		transaction_pool,
 		select_chain,
-		other: (telemetry, pending_transactions, filter_pool, frontier_backend, telemetry_worker_handle),
+		other: (
+			telemetry,
+			pending_transactions,
+			filter_pool,
+			frontier_backend,
+			telemetry_worker_handle,
+		),
 	};
 
 	Ok(params)
@@ -190,7 +199,6 @@
 #[sc_tracing::logging::prefix_logs_with("Parachain")]
 async fn start_node_impl<BIQ, BIC>(
 	parachain_config: Configuration,
-	collator_key: CollatorPair,
 	polkadot_config: Configuration,
 	id: ParaId,
 	build_import_queue: BIQ,
@@ -204,10 +212,7 @@
 		&Configuration,
 		Option<TelemetryHandle>,
 		&TaskManager,
-	) -> Result<
-		sp_consensus::DefaultImportQueue<Block, FullClient>,
-		sc_service::Error,
-	>,
+	) -> Result<sp_consensus::DefaultImportQueue<Block, FullClient>, sc_service::Error>,
 	BIC: FnOnce(
 		Arc<FullClient>,
 		Option<&Registry>,
@@ -227,18 +232,21 @@
 	let parachain_config = prepare_node_config(parachain_config);
 
 	let params = new_partial::<BIQ>(&parachain_config, build_import_queue)?;
-	let (mut telemetry, pending_transactions, filter_pool, frontier_backend, telemetry_worker_handle) = params.other;
-
-	let relay_chain_full_node = cumulus_client_service::build_polkadot_full_node(
-		polkadot_config,
-		collator_key.clone(),
+	let (
+		mut telemetry,
+		pending_transactions,
+		filter_pool,
+		frontier_backend,
 		telemetry_worker_handle,
-	)
-	.map_err(|e| match e {
-		polkadot_service::Error::Sub(x) => x,
-		s => format!("{}", s).into(),
-	})?;
+	) = params.other;
 
+	let relay_chain_full_node =
+		cumulus_client_service::build_polkadot_full_node(polkadot_config, telemetry_worker_handle)
+			.map_err(|e| match e {
+				polkadot_service::Error::Sub(x) => x,
+				s => format!("{}", s).into(),
+			})?;
+
 	let client = params.client.clone();
 	let backend = params.backend.clone();
 	let block_announce_validator = build_block_announce_validator(
@@ -254,7 +262,7 @@
 	let transaction_pool = params.transaction_pool.clone();
 	let mut task_manager = params.task_manager;
 	let import_queue = cumulus_client_service::SharedImportQueue::new(params.import_queue);
-	let (network, network_status_sinks, system_rpc_tx, start_network) =
+	let (network, system_rpc_tx, start_network) =
 		sc_service::build_network(sc_service::BuildNetworkParams {
 			config: &parachain_config,
 			client: client.clone(),
@@ -283,7 +291,7 @@
 			network: rpc_network.clone(),
 			pending_transactions: pending_transactions.clone(),
 			select_chain: select_chain.clone(),
-			is_authority: is_authority.clone(),
+			is_authority,
 			// TODO: Unhardcode
 			max_past_logs: 10000,
 		};
@@ -302,7 +310,6 @@
 		keystore: params.keystore_container.sync_keystore(),
 		backend: backend.clone(),
 		network: network.clone(),
-		network_status_sinks,
 		system_rpc_tx,
 		telemetry: telemetry.as_mut(),
 	})?;
@@ -333,7 +340,6 @@
 			announce_block,
 			client: client.clone(),
 			task_manager: &mut task_manager,
-			collator_key,
 			relay_chain_full_node,
 			spawner,
 			parachain_consensus,
@@ -364,15 +370,8 @@
 	config: &Configuration,
 	telemetry: Option<TelemetryHandle>,
 	task_manager: &TaskManager,
-) -> Result<
-	sp_consensus::DefaultImportQueue<
-		Block,
-		FullClient,
-	>,
-	sc_service::Error,
-> {
+) -> Result<sp_consensus::DefaultImportQueue<Block, FullClient>, sc_service::Error> {
 	let slot_duration = cumulus_client_consensus_aura::slot_duration(&*client)?;
-
 
 	cumulus_client_consensus_aura::import_queue::<
 		sp_consensus_aura::sr25519::AuthorityPair,
@@ -383,7 +382,7 @@
 		_,
 		_,
 	>(cumulus_client_consensus_aura::ImportQueueParams {
-		block_import:  client.clone(),
+		block_import: client.clone(),
 		client: client.clone(),
 		create_inherent_data_providers: move |_, _| async move {
 			let time = sp_timestamp::InherentDataProvider::from_system_time();
@@ -396,7 +395,7 @@
 
 			Ok((time, slot))
 		},
-		registry: config.prometheus_registry().clone(),
+		registry: config.prometheus_registry(),
 		can_author_with: sp_consensus::CanAuthorWithNativeVersion::new(client.executor().clone()),
 		spawner: &task_manager.spawn_essential_handle(),
 		telemetry,
@@ -407,13 +406,11 @@
 /// Start a normal parachain node.
 pub async fn start_node(
 	parachain_config: Configuration,
-	collator_key: CollatorPair,
 	polkadot_config: Configuration,
 	id: ParaId,
 ) -> sc_service::error::Result<(TaskManager, Arc<FullClient>)> {
 	start_node_impl::<_, _>(
 		parachain_config,
-		collator_key,
 		polkadot_config,
 		id,
 		parachain_build_import_queue,
@@ -432,7 +429,7 @@
 				task_manager.spawn_handle(),
 				client.clone(),
 				transaction_pool,
-				prometheus_registry.clone(),
+				prometheus_registry,
 				telemetry.clone(),
 			);
 
@@ -480,7 +477,7 @@
 				block_import: client.clone(),
 				relay_chain_client: relay_chain_node.client.clone(),
 				relay_chain_backend: relay_chain_node.backend.clone(),
-				para_client: client.clone(),
+				para_client: client,
 				backoff_authoring_blocks: Option::<()>::None,
 				sync_oracle,
 				keystore,
@@ -493,4 +490,4 @@
 		},
 	)
 	.await
-}
\ No newline at end of file
+}
modifiednode/rpc/Cargo.tomldiffbeforeafterboth
--- a/node/rpc/Cargo.toml
+++ b/node/rpc/Cargo.toml
@@ -13,33 +13,33 @@
 futures = { version = "0.3.1", features = ["compat"] }
 jsonrpc-core = "15.0.0"
 jsonrpc-pubsub = "15.0.0"
-pallet-contracts-rpc = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-pallet-transaction-payment-rpc = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-pallet-transaction-payment-rpc-runtime-api = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sc-client-api = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sc-consensus-aura = { version = "0.9", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sc-consensus-epochs = { version = "0.9", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sc-finality-grandpa = { version = "0.9", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sc-finality-grandpa-rpc = { version = "0.9", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sc-keystore = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sc-network = { version = "0.9", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sc-rpc-api = { version = "0.9", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sc-rpc = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sc-service = { version = "0.9", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sp-api = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sp-block-builder = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sp-blockchain = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sp-consensus = { version = "0.9", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sp-consensus-aura = { version = "0.9", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sp-core = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sp-offchain = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sp-runtime = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sp-storage = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sp-session = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sp-transaction-pool = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sc-transaction-pool = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sc-transaction-graph = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-substrate-frame-rpc-system = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
+pallet-contracts-rpc = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+pallet-transaction-payment-rpc = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+pallet-transaction-payment-rpc-runtime-api = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sc-client-api = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sc-consensus-aura = { version = "0.9", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sc-consensus-epochs = { version = "0.9", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sc-finality-grandpa = { version = "0.9", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sc-finality-grandpa-rpc = { version = "0.9", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sc-keystore = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sc-network = { version = "0.9", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sc-rpc-api = { version = "0.9", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sc-rpc = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sc-service = { version = "0.9", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sp-api = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sp-block-builder = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sp-blockchain = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sp-consensus = { version = "0.9", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sp-consensus-aura = { version = "0.9", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sp-core = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sp-offchain = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sp-runtime = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sp-storage = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sp-session = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sp-transaction-pool = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sc-transaction-pool = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sc-transaction-graph = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+substrate-frame-rpc-system = { version = "3.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
 tokio = { version = "0.2.13", features = ["macros", "sync"] }
 
 pallet-ethereum = { git = "https://github.com/usetech-llc/frontier.git", branch = "injected-transactions-parachain" }
modifiednode/rpc/src/lib.rsdiffbeforeafterboth
--- a/node/rpc/src/lib.rs
+++ b/node/rpc/src/lib.rs
@@ -189,7 +189,7 @@
 		pool.clone(),
 		nft_runtime::TransactionConverter,
 		network.clone(),
-		pending_transactions.clone(),
+		pending_transactions,
 		signers,
 		overrides.clone(),
 		backend,
@@ -200,8 +200,8 @@
 	if let Some(filter_pool) = filter_pool {
 		io.extend_with(EthFilterApiServer::to_delegate(EthFilterApi::new(
 			client.clone(),
-			filter_pool.clone(),
-			500 as usize, // max stored filters
+			filter_pool,
+			500_usize, // max stored filters
 			overrides.clone(),
 			max_past_logs,
 		)));
@@ -217,9 +217,9 @@
 	io.extend_with(Web3ApiServer::to_delegate(Web3Api::new(client.clone())));
 
 	io.extend_with(EthPubSubApiServer::to_delegate(EthPubSubApi::new(
-		pool.clone(),
-		client.clone(),
-		network.clone(),
+		pool,
+		client,
+		network,
 		SubscriptionManager::<HexEncodedIdProvider>::with_id_provider(
 			HexEncodedIdProvider::default(),
 			Arc::new(subscription_task_executor),
modifiedpallets/contract-helpers/Cargo.tomldiffbeforeafterboth
--- a/pallets/contract-helpers/Cargo.toml
+++ b/pallets/contract-helpers/Cargo.toml
@@ -15,11 +15,11 @@
 version = '0.1.0'
 
 [dependencies]
-frame-support = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-frame-system = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-pallet-contracts = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sp-runtime = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sp-std = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
+frame-support = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+frame-system = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+pallet-contracts = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sp-runtime = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sp-std = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
 
 [features]
 default = ["std"]
modifiedpallets/contract-helpers/src/lib.rsdiffbeforeafterboth
--- a/pallets/contract-helpers/src/lib.rs
+++ b/pallets/contract-helpers/src/lib.rs
@@ -15,11 +15,11 @@
 	use sp_std::vec::Vec;
 	use up_sponsorship::SponsorshipHandler;
 
-    #[pallet::error]
-    pub enum Error<T> {
-        /// Should be contract owner
-        NoPermission,
-    }
+	#[pallet::error]
+	pub enum Error<T> {
+		/// Should be contract owner
+		NoPermission,
+	}
 
 	#[pallet::config]
 	pub trait Config: frame_system::Config + pallet_contracts::Config {}
@@ -75,13 +75,16 @@
 	#[pallet::call]
 	impl<T: Config> Pallet<T> {
 		#[pallet::weight(0)]
-		fn toggle_sponsoring(
+		pub fn toggle_sponsoring(
 			origin: OriginFor<T>,
 			contract: T::AccountId,
 			sponsoring: bool,
 		) -> DispatchResult {
 			let sender = ensure_signed(origin)?;
-			ensure!(<Owner<T>>::get(&contract) == sender, <Error<T>>::NoPermission);
+			ensure!(
+				<Owner<T>>::get(&contract) == sender,
+				<Error<T>>::NoPermission
+			);
 
 			if sponsoring {
 				<SelfSponsoring<T>>::insert(contract, true);
@@ -92,13 +95,16 @@
 		}
 
 		#[pallet::weight(0)]
-		fn toggle_allowlist(
+		pub fn toggle_allowlist(
 			origin: OriginFor<T>,
 			contract: T::AccountId,
 			enabled: bool,
 		) -> DispatchResult {
 			let sender = ensure_signed(origin)?;
-			ensure!(<Owner<T>>::get(&contract) == sender, <Error<T>>::NoPermission);
+			ensure!(
+				<Owner<T>>::get(&contract) == sender,
+				<Error<T>>::NoPermission
+			);
 
 			if enabled {
 				<AllowlistEnabled<T>>::insert(contract, true);
@@ -109,14 +115,17 @@
 		}
 
 		#[pallet::weight(0)]
-		fn toggle_allowed(
+		pub fn toggle_allowed(
 			origin: OriginFor<T>,
 			contract: T::AccountId,
 			user: T::AccountId,
 			allowed: bool,
 		) -> DispatchResult {
 			let sender = ensure_signed(origin)?;
-			ensure!(<Owner<T>>::get(&contract) == sender, <Error<T>>::NoPermission);
+			ensure!(
+				<Owner<T>>::get(&contract) == sender,
+				<Error<T>>::NoPermission
+			);
 
 			if allowed {
 				<Allowlist<T>>::insert(contract, user, true);
@@ -127,13 +136,16 @@
 		}
 
 		#[pallet::weight(0)]
-		fn set_sponsoring_rate_limit(
+		pub fn set_sponsoring_rate_limit(
 			origin: OriginFor<T>,
 			contract: T::AccountId,
 			rate_limit: T::BlockNumber,
 		) -> DispatchResult {
 			let sender = ensure_signed(origin)?;
-			ensure!(<Owner<T>>::get(&contract) == sender, <Error<T>>::NoPermission);
+			ensure!(
+				<Owner<T>>::get(&contract) == sender,
+				<Error<T>>::NoPermission
+			);
 
 			<SponsoringRateLimit<T>>::insert(contract, rate_limit);
 			Ok(())
@@ -174,19 +186,17 @@
 			_info: &DispatchInfoOf<Self::Call>,
 			_len: usize,
 		) -> transaction_validity::TransactionValidity {
-			match IsSubType::<pallet_contracts::Call<T>>::is_sub_type(call) {
-				Some(pallet_contracts::Call::call(dest, _value, _gas_limit, _data)) => {
-					let called_contract: T::AccountId =
-						T::Lookup::lookup((*dest).clone()).unwrap_or(T::AccountId::default());
-					if <AllowlistEnabled<T>>::get(&called_contract) {
-						if !<Allowlist<T>>::get(&called_contract, who)
-							&& &<Owner<T>>::get(&called_contract) != who
-						{
-							return Err(transaction_validity::InvalidTransaction::Call.into());
-						}
-					}
+			if let Some(pallet_contracts::Call::call(dest, _value, _gas_limit, _data)) =
+				IsSubType::<pallet_contracts::Call<T>>::is_sub_type(call)
+			{
+				let called_contract: T::AccountId =
+					T::Lookup::lookup((*dest).clone()).unwrap_or_default();
+				if <AllowlistEnabled<T>>::get(&called_contract)
+					&& !<Allowlist<T>>::get(&called_contract, who)
+					&& &<Owner<T>>::get(&called_contract) != who
+				{
+					return Err(transaction_validity::InvalidTransaction::Call.into());
 				}
-				_ => {}
 			}
 			Ok(transaction_validity::ValidTransaction::default())
 		}
@@ -200,11 +210,11 @@
 		) -> Result<Self::Pre, TransactionValidityError> {
 			match IsSubType::<pallet_contracts::Call<T>>::is_sub_type(call) {
 				Some(pallet_contracts::Call::instantiate(_, _, code_hash, _, salt)) => {
-					Ok(Some((who.clone(), code_hash.clone(), salt.clone())))
+					Ok(Some((who.clone(), *code_hash, salt.clone())))
 				}
 				Some(pallet_contracts::Call::instantiate_with_code(_, _, code, _, salt)) => {
-					let code_hash = &T::Hashing::hash(&code);
-					Ok(Some((who.clone(), code_hash.clone(), salt.clone())))
+					let code_hash = &T::Hashing::hash(code);
+					Ok(Some((who.clone(), *code_hash, salt.clone())))
 				}
 				_ => Ok(None),
 			}
@@ -236,24 +246,22 @@
 		T::AccountId: AsRef<[u8]>,
 	{
 		fn get_sponsor(who: &T::AccountId, call: &C) -> Option<T::AccountId> {
-			match IsSubType::<pallet_contracts::Call<T>>::is_sub_type(call) {
-				Some(pallet_contracts::Call::call(dest, _value, _gas_limit, _data)) => {
-					let called_contract: T::AccountId =
-						T::Lookup::lookup((*dest).clone()).unwrap_or_default();
-					if <SelfSponsoring<T>>::get(&called_contract) {
-						let last_tx_block = SponsorBasket::<T>::get(&called_contract, &who);
-						let block_number =
-							<frame_system::Pallet<T>>::block_number() as T::BlockNumber;
-						let rate_limit = SponsoringRateLimit::<T>::get(&called_contract);
-						let limit_time = last_tx_block + rate_limit;
+			if let Some(pallet_contracts::Call::call(dest, _value, _gas_limit, _data)) =
+				IsSubType::<pallet_contracts::Call<T>>::is_sub_type(call)
+			{
+				let called_contract: T::AccountId =
+					T::Lookup::lookup((*dest).clone()).unwrap_or_default();
+				if <SelfSponsoring<T>>::get(&called_contract) {
+					let last_tx_block = SponsorBasket::<T>::get(&called_contract, &who);
+					let block_number = <frame_system::Pallet<T>>::block_number() as T::BlockNumber;
+					let rate_limit = SponsoringRateLimit::<T>::get(&called_contract);
+					let limit_time = last_tx_block + rate_limit;
 
-						if block_number >= limit_time {
-							SponsorBasket::<T>::insert(&called_contract, who, block_number);
-							return Some(called_contract);
-						}
+					if block_number >= limit_time {
+						SponsorBasket::<T>::insert(&called_contract, who, block_number);
+						return Some(called_contract);
 					}
 				}
-				_ => {}
 			}
 			None
 		}
modifiedpallets/inflation/Cargo.tomldiffbeforeafterboth
--- a/pallets/inflation/Cargo.toml
+++ b/pallets/inflation/Cargo.toml
@@ -43,43 +43,43 @@
 default-features = false
 optional = true
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.frame-support]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.frame-system]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.pallet-balances]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.pallet-timestamp]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.pallet-randomness-collective-flip]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sp-std]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.serde]
@@ -90,18 +90,18 @@
 [dependencies.sp-runtime]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sp-core]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sp-io]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
modifiedpallets/inflation/src/benchmarking.rsdiffbeforeafterboth
--- a/pallets/inflation/src/benchmarking.rs
+++ b/pallets/inflation/src/benchmarking.rs
@@ -5,15 +5,15 @@
 
 use sp_std::prelude::*;
 use frame_system::RawOrigin;
-use frame_benchmarking::{benchmarks}; 
+use frame_benchmarking::{benchmarks};
 use frame_support::traits::OnInitialize;
 
 benchmarks! {
 
 	on_initialize {
-        let block1: T::BlockNumber = T::BlockNumber::from(1u32);
-        let block2: T::BlockNumber = T::BlockNumber::from(2u32);
-        Inflation::<T>::on_initialize(block1); // Create Treasury account
+		let block1: T::BlockNumber = T::BlockNumber::from(1u32);
+		let block2: T::BlockNumber = T::BlockNumber::from(2u32);
+		Inflation::<T>::on_initialize(block1); // Create Treasury account
 	}: { Inflation::<T>::on_initialize(block2); } // Benchmark deposit_into_existing path
 
 }
modifiedpallets/inflation/src/lib.rsdiffbeforeafterboth
--- a/pallets/inflation/src/lib.rs
+++ b/pallets/inflation/src/lib.rs
@@ -4,7 +4,6 @@
 //
 
 #![recursion_limit = "1024"]
-
 #![cfg_attr(not(feature = "std"), no_std)]
 
 #[cfg(feature = "std")]
@@ -19,8 +18,7 @@
 mod tests;
 
 pub use frame_support::{
-	construct_runtime, decl_module, decl_storage,
-	ensure,
+	construct_runtime, decl_module, decl_storage, ensure,
 	traits::{
 		Currency, ExistenceRequirement, Get, Imbalance, KeyOwnerProofSystem, OnUnbalanced,
 		Randomness, IsSubType, WithdrawReasons,
@@ -30,8 +28,7 @@
 		DispatchInfo, GetDispatchInfo, IdentityFee, Pays, PostDispatchInfo, Weight,
 		WeightToFeePolynomial, DispatchClass,
 	},
-	StorageValue,
-	transactional,
+	StorageValue, transactional,
 };
 
 // #[cfg(feature = "runtime-benchmarks")]
@@ -39,7 +36,7 @@
 
 use sp_runtime::{
 	Perbill,
-	traits::{Zero}
+	traits::{Zero},
 };
 use sp_std::convert::TryInto;
 
@@ -71,13 +68,13 @@
 }
 
 decl_module! {
-	pub struct Module<T: Config> for enum Call 
-	where 
+	pub struct Module<T: Config> for enum Call
+	where
 		origin: T::Origin,
 	{
 		const InflationBlockInterval: T::BlockNumber = T::InflationBlockInterval::get();
 
-		fn on_initialize(now: T::BlockNumber) -> Weight 
+		fn on_initialize(now: T::BlockNumber) -> Weight
 		{
 			let mut consumed_weight = 0;
 			let mut add_weight = |reads, writes, weight| {
@@ -95,14 +92,14 @@
 
 				if current_year <= TOTAL_YEARS_UNTIL_FLAT {
 					let amount: BalanceOf<T> = Perbill::from_rational(
-						block_interval * (START_INFLATION_PERCENT * TOTAL_YEARS_UNTIL_FLAT - current_year * (START_INFLATION_PERCENT - END_INFLATION_PERCENT)), 
+						block_interval * (START_INFLATION_PERCENT * TOTAL_YEARS_UNTIL_FLAT - current_year * (START_INFLATION_PERCENT - END_INFLATION_PERCENT)),
 						YEAR * TOTAL_YEARS_UNTIL_FLAT
 					) * ( one_percent * T::Currency::total_issuance() );
 					<BlockInflation<T>>::put(amount);
 				}
 				else {
 					let amount: BalanceOf<T> = Perbill::from_rational(
-						block_interval * END_INFLATION_PERCENT, 
+						block_interval * END_INFLATION_PERCENT,
 						YEAR
 					) * (one_percent * T::Currency::total_issuance());
 					<BlockInflation<T>>::put(amount);
modifiedpallets/inflation/src/tests.rsdiffbeforeafterboth
--- a/pallets/inflation/src/tests.rs
+++ b/pallets/inflation/src/tests.rs
@@ -1,241 +1,242 @@
-#[cfg(test)]
-mod tests {
-	use crate as pallet_inflation;
+#![cfg(test)]
+#![allow(clippy::from_over_into)]
+use crate as pallet_inflation;
 
-	use frame_system;
-	use frame_support::{traits::{Currency}, parameter_types};
-	use frame_support::{traits::OnInitialize};
-	use sp_core::H256;
-	use sp_runtime::{traits::{BlakeTwo256, IdentityLookup}, testing::Header};
+use frame_support::{
+	traits::{Currency},
+	parameter_types,
+};
+use frame_support::{traits::OnInitialize};
+use sp_core::H256;
+use sp_runtime::{
+	traits::{BlakeTwo256, IdentityLookup},
+	testing::Header,
+};
 
-	type UncheckedExtrinsic = frame_system::mocking::MockUncheckedExtrinsic<Test>;
-	type Block = frame_system::mocking::MockBlock<Test>;
+type UncheckedExtrinsic = frame_system::mocking::MockUncheckedExtrinsic<Test>;
+type Block = frame_system::mocking::MockBlock<Test>;
 
-	const YEAR: u64 = 5_259_600;
+const YEAR: u64 = 5_259_600;
 
-	parameter_types! {
-		pub const ExistentialDeposit: u64 = 1;
-		pub const MaxLocks: u32 = 50;
-	}
-	
-	impl pallet_balances::Config for Test {
-		type AccountStore = System;
-		type Balance = u64;
-		type DustRemoval = ();
-		type Event = ();
-		type ExistentialDeposit = ExistentialDeposit;
-		type WeightInfo = ();
-		type MaxLocks = MaxLocks;
-	}
-	
-	frame_support::construct_runtime!(
-		pub enum Test where
-			Block = Block,
-			NodeBlock = Block,
-			UncheckedExtrinsic = UncheckedExtrinsic,
-		{
-			Balances: pallet_balances::{Module, Call, Storage},
-			System: frame_system::{Module, Call, Config, Storage, Event<T>},
-			Inflation: pallet_inflation::{Module, Call, Storage},
-		}
-	);
+parameter_types! {
+	pub const ExistentialDeposit: u64 = 1;
+	pub const MaxLocks: u32 = 50;
+}
 
-	parameter_types! {
-		pub const BlockHashCount: u64 = 250;
-		pub BlockWeights: frame_system::limits::BlockWeights =
-			frame_system::limits::BlockWeights::simple_max(1024);
-		pub const SS58Prefix: u8 = 42;
-	}
+impl pallet_balances::Config for Test {
+	type AccountStore = System;
+	type Balance = u64;
+	type DustRemoval = ();
+	type Event = ();
+	type ExistentialDeposit = ExistentialDeposit;
+	type WeightInfo = ();
+	type MaxLocks = MaxLocks;
+}
 
-	impl frame_system::Config for Test {
-		type BaseCallFilter = ();
-		type BlockWeights = ();
-		type BlockLength = ();
-		type DbWeight = ();
-		type Origin = Origin;
-		type Call = Call;
-		type Index = u64;
-		type BlockNumber = u64;
-		type Hash = H256;
-		type Hashing = BlakeTwo256;
-		type AccountId = u64;
-		type Lookup = IdentityLookup<Self::AccountId>;
-		type Header = Header;
-		type Event = ();
-		type BlockHashCount = BlockHashCount;
-		type Version = ();
-		type PalletInfo = PalletInfo;
-		type AccountData = pallet_balances::AccountData<u64>;
-		type OnNewAccount = ();
-		type OnKilledAccount = ();
-		type SystemWeightInfo = ();
-		type SS58Prefix = SS58Prefix;
+frame_support::construct_runtime!(
+	pub enum Test where
+		Block = Block,
+		NodeBlock = Block,
+		UncheckedExtrinsic = UncheckedExtrinsic,
+	{
+		Balances: pallet_balances::{Pallet, Call, Storage},
+		System: frame_system::{Pallet, Call, Config, Storage, Event<T>},
+		Inflation: pallet_inflation::{Pallet, Call, Storage},
 	}
+);
 
-	parameter_types! {
-		pub TreasuryAccountId: u64 = 1234;
-		pub const InflationBlockInterval: u32 = 100; // every time per how many blocks inflation is applied
-	}
-		
-	impl pallet_inflation::Config for Test {
-		type Currency = Balances;
-		type TreasuryAccountId = TreasuryAccountId;
-		type InflationBlockInterval = InflationBlockInterval;
-	}
+parameter_types! {
+	pub const BlockHashCount: u64 = 250;
+	pub BlockWeights: frame_system::limits::BlockWeights =
+		frame_system::limits::BlockWeights::simple_max(1024);
+	pub const SS58Prefix: u8 = 42;
+}
 
-	// Build genesis storage according to the mock runtime.
-	pub fn new_test_ext() -> sp_io::TestExternalities {
-		frame_system::GenesisConfig::default().build_storage::<Test>().unwrap().into()
-	}
+impl frame_system::Config for Test {
+	type BaseCallFilter = ();
+	type BlockWeights = ();
+	type BlockLength = ();
+	type DbWeight = ();
+	type Origin = Origin;
+	type Call = Call;
+	type Index = u64;
+	type BlockNumber = u64;
+	type Hash = H256;
+	type Hashing = BlakeTwo256;
+	type AccountId = u64;
+	type Lookup = IdentityLookup<Self::AccountId>;
+	type Header = Header;
+	type Event = ();
+	type BlockHashCount = BlockHashCount;
+	type Version = ();
+	type PalletInfo = PalletInfo;
+	type AccountData = pallet_balances::AccountData<u64>;
+	type OnNewAccount = ();
+	type OnKilledAccount = ();
+	type SystemWeightInfo = ();
+	type SS58Prefix = SS58Prefix;
+	type OnSetCode = ();
+}
 
-	#[test]
-	fn inflation_works() {
-		new_test_ext().execute_with(|| {
-			// Total issuance = 1_000_000_000
-			let initial_issuance: u64 = 1_000_000_000;
-			let _ = <Balances as Currency<_>>::deposit_creating(&1234, initial_issuance);
-			assert_eq!(Balances::free_balance(1234), initial_issuance);
+parameter_types! {
+	pub TreasuryAccountId: u64 = 1234;
+	pub const InflationBlockInterval: u32 = 100; // every time per how many blocks inflation is applied
+}
 
-			// BlockInflation should be set after 1st block and 
-			// first inflation deposit should be equal to BlockInflation
-			Inflation::on_initialize(1);
-			assert!(Inflation::block_inflation() > 0);
-			assert_eq!(Balances::free_balance(1234) - initial_issuance, Inflation::block_inflation());
-		});
-	}
+impl pallet_inflation::Config for Test {
+	type Currency = Balances;
+	type TreasuryAccountId = TreasuryAccountId;
+	type InflationBlockInterval = InflationBlockInterval;
+}
 
-	#[test]
-	fn inflation_second_deposit() {
-		new_test_ext().execute_with(|| {
-			// Total issuance = 1_000_000_000
-			let initial_issuance: u64 = 1_000_000_000;
-			let _ = <Balances as Currency<_>>::deposit_creating(&1234, initial_issuance);
-			assert_eq!(Balances::free_balance(1234), initial_issuance);
-			Inflation::on_initialize(1);
+// Build genesis storage according to the mock runtime.
+pub fn new_test_ext() -> sp_io::TestExternalities {
+	frame_system::GenesisConfig::default()
+		.build_storage::<Test>()
+		.unwrap()
+		.into()
+}
 
-			// Next inflation deposit happens when block is multiple of InflationBlockInterval
-			let mut block: u32 = 2;
-			let balance_before: u64 = Balances::free_balance(1234);
-			while block % InflationBlockInterval::get() != 0 {
-				Inflation::on_initialize(block as u64);
-				block += 1;
-			}
-			let balance_just_before: u64 = Balances::free_balance(1234);
-			assert_eq!(balance_before, balance_just_before);
+#[test]
+fn inflation_works() {
+	new_test_ext().execute_with(|| {
+		// Total issuance = 1_000_000_000
+		let initial_issuance: u64 = 1_000_000_000;
+		let _ = <Balances as Currency<_>>::deposit_creating(&1234, initial_issuance);
+		assert_eq!(Balances::free_balance(1234), initial_issuance);
 
-			// The block with inflation
+		// BlockInflation should be set after 1st block and
+		// first inflation deposit should be equal to BlockInflation
+		Inflation::on_initialize(1);
+		assert!(Inflation::block_inflation() > 0);
+		assert_eq!(
+			Balances::free_balance(1234) - initial_issuance,
+			Inflation::block_inflation()
+		);
+	});
+}
+
+#[test]
+fn inflation_second_deposit() {
+	new_test_ext().execute_with(|| {
+		// Total issuance = 1_000_000_000
+		let initial_issuance: u64 = 1_000_000_000;
+		let _ = <Balances as Currency<_>>::deposit_creating(&1234, initial_issuance);
+		assert_eq!(Balances::free_balance(1234), initial_issuance);
+		Inflation::on_initialize(1);
+
+		// Next inflation deposit happens when block is multiple of InflationBlockInterval
+		let mut block: u32 = 2;
+		let balance_before: u64 = Balances::free_balance(1234);
+		while block % InflationBlockInterval::get() != 0 {
 			Inflation::on_initialize(block as u64);
-			let balance_after: u64 = Balances::free_balance(1234);
-			assert_eq!(balance_after - balance_just_before, Inflation::block_inflation());
-		});
-	}
+			block += 1;
+		}
+		let balance_just_before: u64 = Balances::free_balance(1234);
+		assert_eq!(balance_before, balance_just_before);
 
-	#[test]
-	fn inflation_in_1_year() {
-		new_test_ext().execute_with(|| {
-			// Total issuance = 1_000_000_000
-			let initial_issuance: u64 = 1_000_000_000;
-			let _ = <Balances as Currency<_>>::deposit_creating(&1234, initial_issuance);
-			assert_eq!(Balances::free_balance(1234), initial_issuance);
-			Inflation::on_initialize(1);
-			let block_inflation_year_0 = Inflation::block_inflation();
+		// The block with inflation
+		Inflation::on_initialize(block as u64);
+		let balance_after: u64 = Balances::free_balance(1234);
+		assert_eq!(
+			balance_after - balance_just_before,
+			Inflation::block_inflation()
+		);
+	});
+}
 
-			Inflation::on_initialize(YEAR);
-			let block_inflation_year_1 = Inflation::block_inflation();
+#[test]
+fn inflation_in_1_year() {
+	new_test_ext().execute_with(|| {
+		// Total issuance = 1_000_000_000
+		let initial_issuance: u64 = 1_000_000_000;
+		let _ = <Balances as Currency<_>>::deposit_creating(&1234, initial_issuance);
+		assert_eq!(Balances::free_balance(1234), initial_issuance);
+		Inflation::on_initialize(1);
+		let block_inflation_year_0 = Inflation::block_inflation();
 
-			// Assert that year 1 inflation is less than year 0
-			assert!(block_inflation_year_0 > block_inflation_year_1);
-		});
-	}
+		Inflation::on_initialize(YEAR);
+		let block_inflation_year_1 = Inflation::block_inflation();
 
-	#[test]
-	fn inflation_in_1_to_9_years() {
-		new_test_ext().execute_with(|| {
-			// Total issuance = 1_000_000_000
-			let initial_issuance: u64 = 1_000_000_000;
-			let _ = <Balances as Currency<_>>::deposit_creating(&1234, initial_issuance);
-			assert_eq!(Balances::free_balance(1234), initial_issuance);
-			Inflation::on_initialize(1);
+		// Assert that year 1 inflation is less than year 0
+		assert!(block_inflation_year_0 > block_inflation_year_1);
+	});
+}
 
-			for year in 1..=9 {
-				let block_inflation_year_before = Inflation::block_inflation();
-				Inflation::on_initialize(YEAR * year);
-				let block_inflation_year_after = Inflation::block_inflation();
+#[test]
+fn inflation_in_1_to_9_years() {
+	new_test_ext().execute_with(|| {
+		// Total issuance = 1_000_000_000
+		let initial_issuance: u64 = 1_000_000_000;
+		let _ = <Balances as Currency<_>>::deposit_creating(&1234, initial_issuance);
+		assert_eq!(Balances::free_balance(1234), initial_issuance);
+		Inflation::on_initialize(1);
 
-				// Assert that next year inflation is less than previous year inflation
-				assert!(block_inflation_year_before > block_inflation_year_after);
-			}
+		for year in 1..=9 {
+			let block_inflation_year_before = Inflation::block_inflation();
+			Inflation::on_initialize(YEAR * year);
+			let block_inflation_year_after = Inflation::block_inflation();
 
-		});
-	}
+			// Assert that next year inflation is less than previous year inflation
+			assert!(block_inflation_year_before > block_inflation_year_after);
+		}
+	});
+}
 
-	#[test]
-	fn inflation_after_year_10_is_flat() {
-		new_test_ext().execute_with(|| {
-			// Total issuance = 1_000_000_000
-			let initial_issuance: u64 = 1_000_000_000;
-			let _ = <Balances as Currency<_>>::deposit_creating(&1234, initial_issuance);
-			assert_eq!(Balances::free_balance(1234), initial_issuance);
-			Inflation::on_initialize(YEAR * 9);
+#[test]
+fn inflation_after_year_10_is_flat() {
+	new_test_ext().execute_with(|| {
+		// Total issuance = 1_000_000_000
+		let initial_issuance: u64 = 1_000_000_000;
+		let _ = <Balances as Currency<_>>::deposit_creating(&1234, initial_issuance);
+		assert_eq!(Balances::free_balance(1234), initial_issuance);
+		Inflation::on_initialize(YEAR * 9);
 
-			for year in 10..=20 {
-				let block_inflation_year_before = Inflation::block_inflation();
-				Inflation::on_initialize(YEAR * year);
-				let block_inflation_year_after = Inflation::block_inflation();
+		for year in 10..=20 {
+			let block_inflation_year_before = Inflation::block_inflation();
+			Inflation::on_initialize(YEAR * year);
+			let block_inflation_year_after = Inflation::block_inflation();
 
-				// Assert that next year inflation is equal to previous year inflation
-				assert_eq!(block_inflation_year_before, block_inflation_year_after);
-			}
-		});
-	}
+			// Assert that next year inflation is equal to previous year inflation
+			assert_eq!(block_inflation_year_before, block_inflation_year_after);
+		}
+	});
+}
 
-	#[test]
-	fn inflation_rate_by_year() {
-		new_test_ext().execute_with(|| {
-			let payouts: u64 = YEAR / InflationBlockInterval::get() as u64;
+#[test]
+fn inflation_rate_by_year() {
+	new_test_ext().execute_with(|| {
+		let payouts: u64 = YEAR / InflationBlockInterval::get() as u64;
 
-			// Inflation starts at 10% and does down by 2/3% every year until year 9 (included), 
-			// then it is flat.
-			let payout_by_year: [u64; 11] = [
-				1000,
-				933,
-				867,
-				800,
-				733,
-				667,
-				600,
-				533,
-				467,
-				400,
-				400
-			];
+		// Inflation starts at 10% and does down by 2/3% every year until year 9 (included),
+		// then it is flat.
+		let payout_by_year: [u64; 11] = [1000, 933, 867, 800, 733, 667, 600, 533, 467, 400, 400];
 
-			// For accuracy total issuance = payout0 * payouts * 10;
-			let initial_issuance: u64 = payout_by_year[0] * payouts * 10;
-			let _ = <Balances as Currency<_>>::deposit_creating(&1234, initial_issuance);
-			assert_eq!(Balances::free_balance(1234), initial_issuance);
+		// For accuracy total issuance = payout0 * payouts * 10;
+		let initial_issuance: u64 = payout_by_year[0] * payouts * 10;
+		let _ = <Balances as Currency<_>>::deposit_creating(&1234, initial_issuance);
+		assert_eq!(Balances::free_balance(1234), initial_issuance);
 
-			for year in 0..=10 {
-				// Year first block
-				Inflation::on_initialize(year*YEAR);
-				let mut actual_payout = Inflation::block_inflation();
-				assert_eq!(actual_payout, payout_by_year[year as usize]);
+		for year in 0..=10 {
+			// Year first block
+			Inflation::on_initialize(year * YEAR);
+			let mut actual_payout = Inflation::block_inflation();
+			assert_eq!(actual_payout, payout_by_year[year as usize]);
 
-				// Year second block
-				Inflation::on_initialize(year*YEAR+1);
-				actual_payout = Inflation::block_inflation();
-				assert_eq!(actual_payout, payout_by_year[year as usize]);
+			// Year second block
+			Inflation::on_initialize(year * YEAR + 1);
+			actual_payout = Inflation::block_inflation();
+			assert_eq!(actual_payout, payout_by_year[year as usize]);
 
-				// Year middle block
-				Inflation::on_initialize(year*YEAR + YEAR/2);
-				actual_payout = Inflation::block_inflation();
-				assert_eq!(actual_payout, payout_by_year[year as usize]);
+			// Year middle block
+			Inflation::on_initialize(year * YEAR + YEAR / 2);
+			actual_payout = Inflation::block_inflation();
+			assert_eq!(actual_payout, payout_by_year[year as usize]);
 
-				// Year last block
-				Inflation::on_initialize((year + 1)*YEAR-1);
-				actual_payout = Inflation::block_inflation();
-				assert_eq!(actual_payout, payout_by_year[year as usize]);
-			}
-		});
-	}
+			// Year last block
+			Inflation::on_initialize((year + 1) * YEAR - 1);
+			actual_payout = Inflation::block_inflation();
+			assert_eq!(actual_payout, payout_by_year[year as usize]);
+		}
+	});
 }
modifiedpallets/nft-charge-transaction/Cargo.tomldiffbeforeafterboth
--- a/pallets/nft-charge-transaction/Cargo.toml
+++ b/pallets/nft-charge-transaction/Cargo.toml
@@ -20,15 +20,15 @@
 
 [dependencies]
 serde = { version = "1.0.119", default-features = false }
-frame-support = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-frame-system = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-pallet-balances = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-pallet-transaction-payment = { default-features = false, version = "3.0.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sp-std = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-frame-benchmarking = { default-features = false, version = "3.0.0", optional = true, git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sp-core = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sp-io = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sp-runtime = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
+frame-support = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+frame-system = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+pallet-balances = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+pallet-transaction-payment = { default-features = false, version = "3.0.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sp-std = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+frame-benchmarking = { default-features = false, version = "3.0.0", optional = true, git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sp-core = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sp-io = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sp-runtime = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
 
 pallet-nft-transaction-payment = { default-features = false, path="../nft-transaction-payment" }
 
modifiedpallets/nft-charge-transaction/src/lib.rsdiffbeforeafterboth
--- a/pallets/nft-charge-transaction/src/lib.rs
+++ b/pallets/nft-charge-transaction/src/lib.rs
@@ -11,47 +11,38 @@
 #[cfg(feature = "std")]
 pub use serde::*;
 
-#[cfg(feature = "runtime-benchmarks")]
-mod benchmarking;
-
 use codec::{Decode, Encode};
 use frame_support::traits::Get;
 use frame_support::{
 	decl_module, decl_storage,
-	weights::{
-		DispatchInfo, PostDispatchInfo, DispatchClass
-	}
+	weights::{DispatchInfo, PostDispatchInfo, DispatchClass},
 };
 use sp_runtime::{
-	traits::{ 
-		DispatchInfoOf, Dispatchable, PostDispatchInfoOf, Saturating, SaturatedConversion, SignedExtension, Zero,
+	traits::{
+		DispatchInfoOf, Dispatchable, PostDispatchInfoOf, Saturating, SaturatedConversion,
+		SignedExtension, Zero,
 	},
-	transaction_validity::{ 
+	transaction_validity::{
 		TransactionPriority, TransactionValidity, TransactionValidityError, ValidTransaction,
 	},
-	FixedPointOperand, DispatchResult
+	FixedPointOperand, DispatchResult,
 };
 use pallet_transaction_payment::OnChargeTransaction;
 use sp_std::prelude::*;
 
-
-pub trait Config: frame_system::Config + 
-    pallet_nft_transaction_payment::Config
-{
-
-}
+pub trait Config: frame_system::Config + pallet_nft_transaction_payment::Config {}
 
 decl_storage! {
-    trait Store for Module<T: Config> as NftTransactionPayment
-    {}
+	trait Store for Module<T: Config> as NftTransactionPayment
+	{}
 }
 
 decl_module! {
 
-	pub struct Module<T: Config> for enum Call 
-    where 
+	pub struct Module<T: Config> for enum Call
+	where
 		origin: T::Origin,
-    {}
+	{}
 }
 
 type BalanceOf<T> = <<T as pallet_transaction_payment::Config>::OnChargeTransaction as pallet_transaction_payment::OnChargeTransaction<T>>::Balance;
@@ -61,9 +52,7 @@
 #[derive(Encode, Decode, Clone, Eq, PartialEq)]
 pub struct ChargeTransactionPayment<T: Config>(#[codec(compact)] BalanceOf<T>);
 
-impl<T: Config + Send + Sync> sp_std::fmt::Debug 
-    for ChargeTransactionPayment<T>
-{
+impl<T: Config + Send + Sync> sp_std::fmt::Debug for ChargeTransactionPayment<T> {
 	#[cfg(feature = "std")]
 	fn fmt(&self, f: &mut sp_std::fmt::Formatter) -> sp_std::fmt::Result {
 		write!(f, "ChargeTransactionPayment<{:?}>", self.0)
@@ -76,32 +65,37 @@
 
 impl<T: Config> ChargeTransactionPayment<T>
 where
-	T::Call: Dispatchable<Info=DispatchInfo, PostInfo=PostDispatchInfo>,
-    BalanceOf<T>: Send + Sync + From<u64> + FixedPointOperand,
+	T::Call: Dispatchable<Info = DispatchInfo, PostInfo = PostDispatchInfo>,
+	BalanceOf<T>: Send + Sync + From<u64> + FixedPointOperand,
 {
-    fn traditional_fee(
-        len: usize,
-        info: &DispatchInfoOf<T::Call>,
-        tip: BalanceOf<T>,
-    ) -> BalanceOf<T>
-    where
-        T::Call: Dispatchable<Info = DispatchInfo>,
-    {
-        <pallet_transaction_payment::Module<T>>::compute_fee(len as u32, info, tip)
-    }
+	fn traditional_fee(
+		len: usize,
+		info: &DispatchInfoOf<T::Call>,
+		tip: BalanceOf<T>,
+	) -> BalanceOf<T>
+	where
+		T::Call: Dispatchable<Info = DispatchInfo>,
+	{
+		<pallet_transaction_payment::Module<T>>::compute_fee(len as u32, info, tip)
+	}
 
-	fn get_priority(len: usize, info: &DispatchInfoOf<T::Call>, final_fee: BalanceOf<T>) -> TransactionPriority {
-        let weight_saturation = T::BlockWeights::get().max_block / info.weight.max(1);
-        let max_block_length = *T::BlockLength::get().max.get(DispatchClass::Normal);
-        let len_saturation = max_block_length as u64 / (len as u64).max(1);
-        let coefficient: BalanceOf<T> = weight_saturation
-            .min(len_saturation)
-            .saturated_into::<BalanceOf<T>>();
-        final_fee
-            .saturating_mul(coefficient)
-            .saturated_into::<TransactionPriority>()
-    }
+	fn get_priority(
+		len: usize,
+		info: &DispatchInfoOf<T::Call>,
+		final_fee: BalanceOf<T>,
+	) -> TransactionPriority {
+		let weight_saturation = T::BlockWeights::get().max_block / info.weight.max(1);
+		let max_block_length = *T::BlockLength::get().max.get(DispatchClass::Normal);
+		let len_saturation = max_block_length as u64 / (len as u64).max(1);
+		let coefficient: BalanceOf<T> = weight_saturation
+			.min(len_saturation)
+			.saturated_into::<BalanceOf<T>>();
+		final_fee
+			.saturating_mul(coefficient)
+			.saturated_into::<TransactionPriority>()
+	}
 
+	#[allow(clippy::type_complexity)]
     fn withdraw_fee(
         &self,
         who: &T::AccountId,
@@ -114,39 +108,38 @@
 			<<T as pallet_transaction_payment::Config>::OnChargeTransaction as pallet_transaction_payment::OnChargeTransaction<T>>::LiquidityInfo,
 		),
 		TransactionValidityError,
-	> {
-        let tip = self.0;
+	>{
+		let tip = self.0;
 
-        let fee = Self::traditional_fee(len, info, tip);
+		let fee = Self::traditional_fee(len, info, tip);
 
-        // Only mess with balances if fee is not zero.
-        if fee.is_zero() {
-            return <<T as pallet_transaction_payment::Config>::OnChargeTransaction as pallet_transaction_payment::OnChargeTransaction<T>>::withdraw_fee(who, call, info, fee, tip)
+		// Only mess with balances if fee is not zero.
+		if fee.is_zero() {
+			return <<T as pallet_transaction_payment::Config>::OnChargeTransaction as pallet_transaction_payment::OnChargeTransaction<T>>::withdraw_fee(who, call, info, fee, tip)
 			.map(|i| (fee, i));
-        }
+		}
 
-        // Determine who is paying transaction fee based on ecnomic model
-		// Parse call to extract collection ID and access collection sponsor	
+		// Determine who is paying transaction fee based on ecnomic model
+		// Parse call to extract collection ID and access collection sponsor
 		let sponsor = <pallet_nft_transaction_payment::Module<T>>::withdraw_type(who, call);
 
-        let who_pays_fee = sponsor.unwrap_or_else(|| who.clone());
+		let who_pays_fee = sponsor.unwrap_or_else(|| who.clone());
 
 		<<T as pallet_transaction_payment::Config>::OnChargeTransaction as pallet_transaction_payment::OnChargeTransaction<T>>::withdraw_fee(&who_pays_fee, call, info, fee, tip)
 			.map(|i| (fee, i))
-    }
+	}
 }
 
-impl<T: Config + Send + Sync> SignedExtension
-    for ChargeTransactionPayment<T>
+impl<T: Config + Send + Sync> SignedExtension for ChargeTransactionPayment<T>
 where
-    BalanceOf<T>: Send + Sync + From<u64> + FixedPointOperand,
-	T::Call: Dispatchable<Info=DispatchInfo, PostInfo=PostDispatchInfo>,
+	BalanceOf<T>: Send + Sync + From<u64> + FixedPointOperand,
+	T::Call: Dispatchable<Info = DispatchInfo, PostInfo = PostDispatchInfo>,
 {
-    const IDENTIFIER: &'static str = "ChargeTransactionPayment";
-    type AccountId = T::AccountId;
-    type Call = T::Call;
-    type AdditionalSigned = ();
-    type Pre = (
+	const IDENTIFIER: &'static str = "ChargeTransactionPayment";
+	type AccountId = T::AccountId;
+	type Call = T::Call;
+	type AdditionalSigned = ();
+	type Pre = (
         // tip
         BalanceOf<T>,
         // who pays fee
@@ -154,50 +147,49 @@
 		// imbalance resulting from withdrawing the fee
 		<<T as pallet_transaction_payment::Config>::OnChargeTransaction as pallet_transaction_payment::OnChargeTransaction<T>>::LiquidityInfo,
     );
-    fn additional_signed(&self) -> sp_std::result::Result<(), TransactionValidityError> {
-        Ok(())
-    }
+	fn additional_signed(&self) -> sp_std::result::Result<(), TransactionValidityError> {
+		Ok(())
+	}
 
-    fn validate(
-        &self,
-        who: &Self::AccountId,
-        call: &Self::Call,
-        info: &DispatchInfoOf<Self::Call>,
-        len: usize,
-    ) -> TransactionValidity {
+	fn validate(
+		&self,
+		who: &Self::AccountId,
+		call: &Self::Call,
+		info: &DispatchInfoOf<Self::Call>,
+		len: usize,
+	) -> TransactionValidity {
 		let (fee, _) = self.withdraw_fee(who, call, info, len)?;
 		Ok(ValidTransaction {
 			priority: Self::get_priority(len, info, fee),
 			..Default::default()
 		})
-    }
+	}
 
-    fn pre_dispatch(
-        self,
-        who: &Self::AccountId,
-        call: &Self::Call,
-        info: &DispatchInfoOf<Self::Call>,
-        len: usize,
-    ) -> Result<Self::Pre, TransactionValidityError> {
-        let (_fee, imbalance) = self.withdraw_fee(who, call, info, len)?;
-        Ok((self.0, who.clone(), imbalance))
-    }
+	fn pre_dispatch(
+		self,
+		who: &Self::AccountId,
+		call: &Self::Call,
+		info: &DispatchInfoOf<Self::Call>,
+		len: usize,
+	) -> Result<Self::Pre, TransactionValidityError> {
+		let (_fee, imbalance) = self.withdraw_fee(who, call, info, len)?;
+		Ok((self.0, who.clone(), imbalance))
+	}
 
-    fn post_dispatch(
-        pre: Self::Pre,
-        info: &DispatchInfoOf<Self::Call>,
-        post_info: &PostDispatchInfoOf<Self::Call>,
-        len: usize,
-        _result: &DispatchResult,
-    ) -> Result<(), TransactionValidityError> {
+	fn post_dispatch(
+		pre: Self::Pre,
+		info: &DispatchInfoOf<Self::Call>,
+		post_info: &PostDispatchInfoOf<Self::Call>,
+		len: usize,
+		_result: &DispatchResult,
+	) -> Result<(), TransactionValidityError> {
 		let (tip, who, imbalance) = pre;
 		let actual_fee = pallet_transaction_payment::Pallet::<T>::compute_actual_fee(
-			len as u32,
-			info,
-			post_info,
-			tip,
+			len as u32, info, post_info, tip,
 		);
-		<T as pallet_transaction_payment::Config>::OnChargeTransaction::correct_and_deposit_fee(&who, info, post_info, actual_fee, tip, imbalance)?;
+		<T as pallet_transaction_payment::Config>::OnChargeTransaction::correct_and_deposit_fee(
+			&who, info, post_info, actual_fee, tip, imbalance,
+		)?;
 		Ok(())
-    }
-}
\ No newline at end of file
+	}
+}
modifiedpallets/nft-transaction-payment/Cargo.tomldiffbeforeafterboth
--- a/pallets/nft-transaction-payment/Cargo.toml
+++ b/pallets/nft-transaction-payment/Cargo.toml
@@ -20,14 +20,14 @@
 
 [dependencies]
 serde = { version = "1.0.119", default-features = false }
-frame-support = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-frame-system = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-pallet-transaction-payment = { default-features = false, version = "3.0.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sp-std = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-frame-benchmarking = { default-features = false, version = "3.0.0", optional = true, git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sp-core = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sp-io = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sp-runtime = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
+frame-support = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+frame-system = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+pallet-transaction-payment = { default-features = false, version = "3.0.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sp-std = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+frame-benchmarking = { default-features = false, version = "3.0.0", optional = true, git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sp-core = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sp-io = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sp-runtime = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
 
 up-sponsorship = { default-features = false, path = "../../primitives/sponsorship", version = "0.1.0" }
 
modifiedpallets/nft-transaction-payment/src/benchmarking.rsdiffbeforeafterboth
--- a/pallets/nft-transaction-payment/src/benchmarking.rs
+++ b/pallets/nft-transaction-payment/src/benchmarking.rs
@@ -4,15 +4,15 @@
 
 use sp_std::prelude::*;
 use frame_system::RawOrigin;
-use frame_benchmarking::{benchmarks}; 
+use frame_benchmarking::{benchmarks};
 use frame_support::traits::OnInitialize;
 
 benchmarks! {
 
 	// on_initialize {
-        // let block1: T::BlockNumber = T::BlockNumber::from(1u32);
-        // let block2: T::BlockNumber = T::BlockNumber::from(2u32);
-        // Inflation::<T>::on_initialize(block1); // Create Treasury account
+		// let block1: T::BlockNumber = T::BlockNumber::from(1u32);
+		// let block2: T::BlockNumber = T::BlockNumber::from(2u32);
+		// Inflation::<T>::on_initialize(block1); // Create Treasury account
 	// }: { Inflation::<T>::on_initialize(block2); } // Benchmark deposit_into_existing path
 
 }
modifiedpallets/nft-transaction-payment/src/lib.rsdiffbeforeafterboth
--- a/pallets/nft-transaction-payment/src/lib.rs
+++ b/pallets/nft-transaction-payment/src/lib.rs
@@ -28,18 +28,15 @@
 }
 
 decl_module! {
-	pub struct Module<T: Config> for enum Call 
-    where 
+	pub struct Module<T: Config> for enum Call
+	where
 		origin: T::Origin,
-    {
+	{
 	}
 }
 
 impl<T: Config> Module<T> {
-	pub fn withdraw_type(
-		who: &T::AccountId,
-		call: &T::Call
-	) -> Option<T::AccountId> {
+	pub fn withdraw_type(who: &T::AccountId, call: &T::Call) -> Option<T::AccountId> {
 		T::SponsorshipHandler::get_sponsor(who, call)
 	}
-}
\ No newline at end of file
+}
modifiedpallets/nft/Cargo.tomldiffbeforeafterboth
--- a/pallets/nft/Cargo.toml
+++ b/pallets/nft/Cargo.toml
@@ -56,55 +56,55 @@
 default-features = false
 optional = true
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.frame-support]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.frame-system]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.pallet-balances]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.pallet-timestamp]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.pallet-randomness-collective-flip]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sp-std]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.pallet-contracts]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.pallet-transaction-payment]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.serde]
@@ -115,19 +115,19 @@
 [dependencies.sp-runtime]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sp-core]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sp-io]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 
@@ -149,12 +149,12 @@
 ethereum-tx-sign = { version = "3.0.4", optional = true }
 ethereum = { default-features = false, version = "0.7.1" }
 rlp = { default-features = false, version = "0.5.0" }
-sp-api = { default-features = false, version = '3.0.0', git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.3" }
+sp-api = { default-features = false, version = '3.0.0', git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.7" }
 
 evm-coder = { default-features = false, path = "../../crates/evm-coder" }
 primitive-types = { version = "0.9.0", default-features = false, features = ["serde_no_std"] }
 
-pallet-evm = { default-features = false, version = "4.0.0-dev", git = "https://github.com/usetech-llc/frontier.git", branch = "injected-transactions-parachain" }
-pallet-ethereum = { default-features = false, version = "2.0.0-dev", git = "https://github.com/usetech-llc/frontier.git", branch = "injected-transactions-parachain" }
+pallet-evm = { default-features = false, version = "5.0.0-dev", git = "https://github.com/usetech-llc/frontier.git", branch = "injected-transactions-parachain" }
+pallet-ethereum = { default-features = false, version = "3.0.0-dev", git = "https://github.com/usetech-llc/frontier.git", branch = "injected-transactions-parachain" }
 fp-evm = { default-features = false, version = '2.0.0', git = "https://github.com/usetech-llc/frontier.git", branch = "injected-transactions-parachain" }
 hex-literal = "0.3.1"
\ No newline at end of file
modifiedpallets/nft/src/benchmarking.rsdiffbeforeafterboth
--- a/pallets/nft/src/benchmarking.rs
+++ b/pallets/nft/src/benchmarking.rs
@@ -5,415 +5,415 @@
 
 use sp_std::prelude::*;
 use frame_system::RawOrigin;
-use frame_benchmarking::{benchmarks, account, whitelisted_caller};  // , TrackedStorageKey, 
+use frame_benchmarking::{benchmarks, account, whitelisted_caller}; // , TrackedStorageKey,
 
 const SEED: u32 = 1;
 /*
 fn default_nft_data() -> CreateItemData {
-    CreateItemData::NFT(CreateNftData { const_data: vec![1, 2, 3], variable_data: vec![3, 2, 1] })
+	CreateItemData::NFT(CreateNftData { const_data: vec![1, 2, 3], variable_data: vec![3, 2, 1] })
 }
 
 fn default_fungible_data () -> CreateItemData {
-    CreateItemData::Fungible(CreateFungibleData { })
+	CreateItemData::Fungible(CreateFungibleData { })
 }
 
 fn default_re_fungible_data () -> CreateItemData {
-    CreateItemData::ReFungible(CreateReFungibleData { const_data: vec![1, 2, 3], variable_data: vec![3, 2, 1] })
+	CreateItemData::ReFungible(CreateReFungibleData { const_data: vec![1, 2, 3], variable_data: vec![3, 2, 1] })
 }
 */
 
 benchmarks! {
 
-    create_collection {
-        let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
-        let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
-        let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
-        let mode: CollectionMode = CollectionMode::NFT;
-        let caller: T::AccountId = account("caller", 0, SEED);
-    }: _(RawOrigin::Signed(caller.clone()), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode)
+	create_collection {
+		let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
+		let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
+		let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
+		let mode: CollectionMode = CollectionMode::NFT;
+		let caller: T::AccountId = account("caller", 0, SEED);
+	}: _(RawOrigin::Signed(caller.clone()), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode)
 /*
-    verify {
-        assert_eq!(Nft::<T>::collection_id(2).owner, caller);
-    }
-    destroy_collection {
-        let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
-        let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
-        let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
-        let mode: CollectionMode = CollectionMode::NFT;
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
-        Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
-    }: _(RawOrigin::Signed(caller.clone()), 2)
+	verify {
+		assert_eq!(Nft::<T>::collection_id(2).owner, caller);
+	}
+	destroy_collection {
+		let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
+		let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
+		let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
+		let mode: CollectionMode = CollectionMode::NFT;
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+		Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
+	}: _(RawOrigin::Signed(caller.clone()), 2)
 
-    add_to_white_list {
-        let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
-        let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
-        let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
-        let mode: CollectionMode = CollectionMode::NFT;
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
-        let whitelist_account: T::AccountId = account("admin", 0, SEED);
-        Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
-    }: add_to_white_list(RawOrigin::Signed(caller.clone()), 2, whitelist_account)
+	add_to_white_list {
+		let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
+		let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
+		let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
+		let mode: CollectionMode = CollectionMode::NFT;
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+		let whitelist_account: T::AccountId = account("admin", 0, SEED);
+		Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
+	}: add_to_white_list(RawOrigin::Signed(caller.clone()), 2, whitelist_account)
 
-    remove_from_white_list {
-        let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
-        let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
-        let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
-        let mode: CollectionMode = CollectionMode::NFT;
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
-        let whitelist_account: T::AccountId = account("admin", 0, SEED);
-        Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
-        Nft::<T>::add_to_white_list(RawOrigin::Signed(caller.clone()).into(), 2, whitelist_account.clone())?;
-    }: remove_from_white_list(RawOrigin::Signed(caller.clone()), 2, whitelist_account)
+	remove_from_white_list {
+		let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
+		let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
+		let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
+		let mode: CollectionMode = CollectionMode::NFT;
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+		let whitelist_account: T::AccountId = account("admin", 0, SEED);
+		Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
+		Nft::<T>::add_to_white_list(RawOrigin::Signed(caller.clone()).into(), 2, whitelist_account.clone())?;
+	}: remove_from_white_list(RawOrigin::Signed(caller.clone()), 2, whitelist_account)
 
-    set_public_access_mode {
-        let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
-        let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
-        let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
-        let mode: CollectionMode = CollectionMode::NFT;
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
-        Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
-    }: set_public_access_mode(RawOrigin::Signed(caller.clone()), 2, AccessMode::WhiteList)
+	set_public_access_mode {
+		let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
+		let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
+		let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
+		let mode: CollectionMode = CollectionMode::NFT;
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+		Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
+	}: set_public_access_mode(RawOrigin::Signed(caller.clone()), 2, AccessMode::WhiteList)
 
-    set_mint_permission {
-        let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
-        let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
-        let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
-        let mode: CollectionMode = CollectionMode::NFT;
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
-        Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
-    }: set_mint_permission(RawOrigin::Signed(caller.clone()), 2, true)
+	set_mint_permission {
+		let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
+		let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
+		let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
+		let mode: CollectionMode = CollectionMode::NFT;
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+		Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
+	}: set_mint_permission(RawOrigin::Signed(caller.clone()), 2, true)
 
-    change_collection_owner {
-        let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
-        let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
-        let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
-        let mode: CollectionMode = CollectionMode::NFT;
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
-        Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
-        let new_owner: T::AccountId = account("admin", 0, SEED);
-    }: change_collection_owner(RawOrigin::Signed(caller.clone()), 2, new_owner)
+	change_collection_owner {
+		let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
+		let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
+		let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
+		let mode: CollectionMode = CollectionMode::NFT;
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+		Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
+		let new_owner: T::AccountId = account("admin", 0, SEED);
+	}: change_collection_owner(RawOrigin::Signed(caller.clone()), 2, new_owner)
 
-    add_collection_admin {
-        let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
-        let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
-        let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
-        let mode: CollectionMode = CollectionMode::NFT;
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
-        Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
-        let new_admin: T::AccountId = account("admin", 0, SEED);
-    }: add_collection_admin(RawOrigin::Signed(caller.clone()), 2, new_admin)
+	add_collection_admin {
+		let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
+		let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
+		let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
+		let mode: CollectionMode = CollectionMode::NFT;
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+		Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
+		let new_admin: T::AccountId = account("admin", 0, SEED);
+	}: add_collection_admin(RawOrigin::Signed(caller.clone()), 2, new_admin)
 
-    remove_collection_admin {
-        let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
-        let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
-        let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
-        let mode: CollectionMode = CollectionMode::NFT;
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
-        Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
-        let new_admin: T::AccountId = account("admin", 0, SEED);
-        Nft::<T>::add_collection_admin(RawOrigin::Signed(caller.clone()).into(), 2, new_admin.clone())?;
-    }: remove_collection_admin(RawOrigin::Signed(caller.clone()), 2, new_admin)
+	remove_collection_admin {
+		let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
+		let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
+		let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
+		let mode: CollectionMode = CollectionMode::NFT;
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+		Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
+		let new_admin: T::AccountId = account("admin", 0, SEED);
+		Nft::<T>::add_collection_admin(RawOrigin::Signed(caller.clone()).into(), 2, new_admin.clone())?;
+	}: remove_collection_admin(RawOrigin::Signed(caller.clone()), 2, new_admin)
 
-    set_collection_sponsor {
-        let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
-        let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
-        let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
-        let mode: CollectionMode = CollectionMode::NFT;
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
-        Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
-    }: set_collection_sponsor(RawOrigin::Signed(caller.clone()), 2, caller.clone())
+	set_collection_sponsor {
+		let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
+		let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
+		let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
+		let mode: CollectionMode = CollectionMode::NFT;
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+		Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
+	}: set_collection_sponsor(RawOrigin::Signed(caller.clone()), 2, caller.clone())
 
-    confirm_sponsorship {
-        let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
-        let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
-        let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
-        let mode: CollectionMode = CollectionMode::NFT;
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
-        Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
-        Nft::<T>::set_collection_sponsor(RawOrigin::Signed(caller.clone()).into(), 2, caller.clone())?;
-    }: confirm_sponsorship(RawOrigin::Signed(caller.clone()), 2)
+	confirm_sponsorship {
+		let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
+		let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
+		let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
+		let mode: CollectionMode = CollectionMode::NFT;
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+		Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
+		Nft::<T>::set_collection_sponsor(RawOrigin::Signed(caller.clone()).into(), 2, caller.clone())?;
+	}: confirm_sponsorship(RawOrigin::Signed(caller.clone()), 2)
 
-    remove_collection_sponsor {
-        let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
-        let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
-        let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
-        let mode: CollectionMode = CollectionMode::NFT;
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
-        Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
-        Nft::<T>::set_collection_sponsor(RawOrigin::Signed(caller.clone()).into(), 2, caller.clone())?;
-        Nft::<T>::confirm_sponsorship(RawOrigin::Signed(caller.clone()).into(), 2)?;
-    }: remove_collection_sponsor(RawOrigin::Signed(caller.clone()), 2)
+	remove_collection_sponsor {
+		let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
+		let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
+		let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
+		let mode: CollectionMode = CollectionMode::NFT;
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+		Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
+		Nft::<T>::set_collection_sponsor(RawOrigin::Signed(caller.clone()).into(), 2, caller.clone())?;
+		Nft::<T>::confirm_sponsorship(RawOrigin::Signed(caller.clone()).into(), 2)?;
+	}: remove_collection_sponsor(RawOrigin::Signed(caller.clone()), 2)
 
-    // nft item
-    create_item_nft {
-        let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
-        let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
-        let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
-        let mode: CollectionMode = CollectionMode::NFT;
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
-        Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
-        let data = default_nft_data();
-        
-    }: create_item(RawOrigin::Signed(caller.clone()), 2, caller.clone(), data)
+	// nft item
+	create_item_nft {
+		let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
+		let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
+		let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
+		let mode: CollectionMode = CollectionMode::NFT;
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+		Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
+		let data = default_nft_data();
 
-    #[extra]
-    create_item_nft_large {
-        let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
-        let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
-        let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
-        let mode: CollectionMode = CollectionMode::NFT;
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
-        let mut nft_data = CreateNftData {
-            const_data: vec![],
-            variable_data: vec![]
-        };
-        for i in 0..1998 {
-            nft_data.const_data.push(10);
-            nft_data.variable_data.push(10);
-        }
-        let data = CreateItemData::NFT(nft_data);
-        Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
+	}: create_item(RawOrigin::Signed(caller.clone()), 2, caller.clone(), data)
+
+	#[extra]
+	create_item_nft_large {
+		let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
+		let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
+		let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
+		let mode: CollectionMode = CollectionMode::NFT;
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+		let mut nft_data = CreateNftData {
+			const_data: vec![],
+			variable_data: vec![]
+		};
+		for i in 0..1998 {
+			nft_data.const_data.push(10);
+			nft_data.variable_data.push(10);
+		}
+		let data = CreateItemData::NFT(nft_data);
+		Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
+
+	}: create_item(RawOrigin::Signed(caller.clone()), 2, caller.clone(), data)
 
-    }: create_item(RawOrigin::Signed(caller.clone()), 2, caller.clone(), data)
+	// fungible item
+	create_item_fungible {
+		let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
+		let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
+		let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
+		let mode: CollectionMode = CollectionMode::Fungible(3);
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+		Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
+		let data = default_fungible_data();
+
+	}: create_item(RawOrigin::Signed(caller.clone()), 2, caller.clone(), data)
+
+	// refungible item
+	create_item_refungible {
+		let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
+		let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
+		let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
+		let mode: CollectionMode = CollectionMode::ReFungible(3);
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+		Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
+		let data = default_re_fungible_data();
 
-    // fungible item
-    create_item_fungible {
-        let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
-        let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
-        let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
-        let mode: CollectionMode = CollectionMode::Fungible(3);
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
-        Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
-        let data = default_fungible_data();
+	}: create_item(RawOrigin::Signed(caller.clone()), 2, caller.clone(), data)
 
-    }: create_item(RawOrigin::Signed(caller.clone()), 2, caller.clone(), data)
+	burn_item {
+		let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
+		let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
+		let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
+		let mode: CollectionMode = CollectionMode::NFT;
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+		Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
+		let data = default_nft_data();
+		Nft::<T>::create_item(RawOrigin::Signed(caller.clone()).into(), 2, caller.clone(), data)?;
 
-    // refungible item
-    create_item_refungible {
-        let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
-        let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
-        let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
-        let mode: CollectionMode = CollectionMode::ReFungible(3);
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
-        Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
-        let data = default_re_fungible_data();
+	}: burn_item(RawOrigin::Signed(caller.clone()), 2, 1)
 
-    }: create_item(RawOrigin::Signed(caller.clone()), 2, caller.clone(), data)
+	transfer_nft {
+		let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
+		let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
+		let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
+		let mode: CollectionMode = CollectionMode::NFT;
+		let recipient: T::AccountId = account("recipient", 0, SEED);
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+		Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
+		let data = default_nft_data();
+		Nft::<T>::create_item(RawOrigin::Signed(caller.clone()).into(), 2, caller.clone(), data)?;
 
-    burn_item {
-        let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
-        let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
-        let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
-        let mode: CollectionMode = CollectionMode::NFT;
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
-        Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
-        let data = default_nft_data();
-        Nft::<T>::create_item(RawOrigin::Signed(caller.clone()).into(), 2, caller.clone(), data)?;
+	}: transfer(RawOrigin::Signed(caller.clone()), recipient.clone(), 2, 1, 1)
 
-    }: burn_item(RawOrigin::Signed(caller.clone()), 2, 1)
+	transfer_fungible {
+		let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
+		let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
+		let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
+		let mode: CollectionMode = CollectionMode::Fungible(3);
+		let recipient: T::AccountId = account("recipient", 0, SEED);
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+		Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
+		let data = default_fungible_data();
+		Nft::<T>::create_item(RawOrigin::Signed(caller.clone()).into(), 2, caller.clone(), data)?;
 
-    transfer_nft {
-        let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
-        let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
-        let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
-        let mode: CollectionMode = CollectionMode::NFT;
-        let recipient: T::AccountId = account("recipient", 0, SEED);
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
-        Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
-        let data = default_nft_data();
-        Nft::<T>::create_item(RawOrigin::Signed(caller.clone()).into(), 2, caller.clone(), data)?;
+	}: transfer(RawOrigin::Signed(caller.clone()), recipient.clone(), 2, 1, 1)
 
-    }: transfer(RawOrigin::Signed(caller.clone()), recipient.clone(), 2, 1, 1)
-    
-    transfer_fungible {
-        let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
-        let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
-        let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
-        let mode: CollectionMode = CollectionMode::Fungible(3);
-        let recipient: T::AccountId = account("recipient", 0, SEED);
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
-        Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
-        let data = default_fungible_data();
-        Nft::<T>::create_item(RawOrigin::Signed(caller.clone()).into(), 2, caller.clone(), data)?;
+	transfer_refungible {
+		let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
+		let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
+		let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
+		let mode: CollectionMode = CollectionMode::ReFungible(3);
+		let recipient: T::AccountId = account("recipient", 0, SEED);
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+		Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
+		let data = default_re_fungible_data();
+		Nft::<T>::create_item(RawOrigin::Signed(caller.clone()).into(), 2, caller.clone(), data)?;
 
-    }: transfer(RawOrigin::Signed(caller.clone()), recipient.clone(), 2, 1, 1)
+	}: transfer(RawOrigin::Signed(caller.clone()), recipient.clone(), 2, 1, 1)
 
-    transfer_refungible {
-        let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
-        let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
-        let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
-        let mode: CollectionMode = CollectionMode::ReFungible(3);
-        let recipient: T::AccountId = account("recipient", 0, SEED);
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
-        Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
-        let data = default_re_fungible_data();
-        Nft::<T>::create_item(RawOrigin::Signed(caller.clone()).into(), 2, caller.clone(), data)?;
+	approve {
+		let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
+		let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
+		let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
+		let mode: CollectionMode = CollectionMode::ReFungible(3);
+		let recipient: T::AccountId = account("recipient", 0, SEED);
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+		Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
+		let data = default_re_fungible_data();
+		Nft::<T>::create_item(RawOrigin::Signed(caller.clone()).into(), 2, caller.clone(), data)?;
 
-    }: transfer(RawOrigin::Signed(caller.clone()), recipient.clone(), 2, 1, 1)
+	}: approve(RawOrigin::Signed(caller.clone()), recipient.clone(), 2, 1)
 
-    approve {
-        let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
-        let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
-        let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
-        let mode: CollectionMode = CollectionMode::ReFungible(3);
-        let recipient: T::AccountId = account("recipient", 0, SEED);
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
-        Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
-        let data = default_re_fungible_data();
-        Nft::<T>::create_item(RawOrigin::Signed(caller.clone()).into(), 2, caller.clone(), data)?;
+	// Nft
+	transfer_from_nft {
+		let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
+		let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
+		let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
+		let mode: CollectionMode = CollectionMode::NFT;
+		let recipient: T::AccountId = account("recipient", 0, SEED);
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+		Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
+		let data = default_nft_data();
+		Nft::<T>::create_item(RawOrigin::Signed(caller.clone()).into(), 2, caller.clone(), data)?;
+		Nft::<T>::approve(RawOrigin::Signed(caller.clone()).into(), recipient.clone(), 2, 1)?;
 
-    }: approve(RawOrigin::Signed(caller.clone()), recipient.clone(), 2, 1)
+	}: transfer_from(RawOrigin::Signed(caller.clone()), caller.clone(), recipient.clone(), 2, 1, 1)
 
-    // Nft
-    transfer_from_nft {
-        let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
-        let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
-        let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
-        let mode: CollectionMode = CollectionMode::NFT;
-        let recipient: T::AccountId = account("recipient", 0, SEED);
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
-        Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
-        let data = default_nft_data();
-        Nft::<T>::create_item(RawOrigin::Signed(caller.clone()).into(), 2, caller.clone(), data)?;
-        Nft::<T>::approve(RawOrigin::Signed(caller.clone()).into(), recipient.clone(), 2, 1)?;
+	// Fungible
+	transfer_from_fungible {
+		let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
+		let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
+		let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
+		let mode: CollectionMode = CollectionMode::Fungible(3);
+		let recipient: T::AccountId = account("recipient", 0, SEED);
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+		Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
+		let data = default_fungible_data();
+		Nft::<T>::create_item(RawOrigin::Signed(caller.clone()).into(), 2, caller.clone(), data)?;
+		Nft::<T>::approve(RawOrigin::Signed(caller.clone()).into(), recipient.clone(), 2, 1)?;
 
-    }: transfer_from(RawOrigin::Signed(caller.clone()), caller.clone(), recipient.clone(), 2, 1, 1)
+	}: transfer_from(RawOrigin::Signed(caller.clone()), caller.clone(), recipient.clone(), 2, 1, 1)
 
-    // Fungible
-    transfer_from_fungible {
-        let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
-        let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
-        let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
-        let mode: CollectionMode = CollectionMode::Fungible(3);
-        let recipient: T::AccountId = account("recipient", 0, SEED);
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
-        Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
-        let data = default_fungible_data();
-        Nft::<T>::create_item(RawOrigin::Signed(caller.clone()).into(), 2, caller.clone(), data)?;
-        Nft::<T>::approve(RawOrigin::Signed(caller.clone()).into(), recipient.clone(), 2, 1)?;
+	// ReFungible
+	transfer_from_refungible {
+		let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
+		let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
+		let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
+		let mode: CollectionMode = CollectionMode::ReFungible(3);
+		let recipient: T::AccountId = account("recipient", 0, SEED);
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+		Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
+		let data = default_re_fungible_data();
+		Nft::<T>::create_item(RawOrigin::Signed(caller.clone()).into(), 2, caller.clone(), data)?;
+		Nft::<T>::approve(RawOrigin::Signed(caller.clone()).into(), recipient.clone(), 2, 1)?;
 
-    }: transfer_from(RawOrigin::Signed(caller.clone()), caller.clone(), recipient.clone(), 2, 1, 1)
+	}: transfer_from(RawOrigin::Signed(caller.clone()), caller.clone(), recipient.clone(), 2, 1, 1)
 
-    // ReFungible
-    transfer_from_refungible {
-        let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
-        let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
-        let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
-        let mode: CollectionMode = CollectionMode::ReFungible(3);
-        let recipient: T::AccountId = account("recipient", 0, SEED);
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
-        Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
-        let data = default_re_fungible_data();
-        Nft::<T>::create_item(RawOrigin::Signed(caller.clone()).into(), 2, caller.clone(), data)?;
-        Nft::<T>::approve(RawOrigin::Signed(caller.clone()).into(), recipient.clone(), 2, 1)?;
+	enable_contract_sponsoring {
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
 
-    }: transfer_from(RawOrigin::Signed(caller.clone()), caller.clone(), recipient.clone(), 2, 1, 1)
+	}: enable_contract_sponsoring(RawOrigin::Signed(caller.clone()), caller.clone(), true)
 
-    enable_contract_sponsoring {
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+	set_offchain_schema {
+		let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
+		let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
+		let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
+		let mode: CollectionMode = CollectionMode::ReFungible(3);
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+		Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
 
-    }: enable_contract_sponsoring(RawOrigin::Signed(caller.clone()), caller.clone(), true)
+	}: set_offchain_schema(RawOrigin::Signed(caller.clone()), 2, [1,2,3].to_vec())
 
-    set_offchain_schema {
-        let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
-        let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
-        let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
-        let mode: CollectionMode = CollectionMode::ReFungible(3);
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
-        Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
+	set_const_on_chain_schema {
+		let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
+		let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
+		let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
+		let mode: CollectionMode = CollectionMode::ReFungible(3);
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+		Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
+	}: set_const_on_chain_schema(RawOrigin::Signed(caller.clone()), 2, [1,2,3].to_vec())
 
-    }: set_offchain_schema(RawOrigin::Signed(caller.clone()), 2, [1,2,3].to_vec())
+	set_variable_on_chain_schema {
+		let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
+		let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
+		let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
+		let mode: CollectionMode = CollectionMode::ReFungible(3);
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+		Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
+	}: set_variable_on_chain_schema(RawOrigin::Signed(caller.clone()), 2, [1,2,3].to_vec())
 
-    set_const_on_chain_schema {
-        let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
-        let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
-        let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
-        let mode: CollectionMode = CollectionMode::ReFungible(3);
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
-        Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
-    }: set_const_on_chain_schema(RawOrigin::Signed(caller.clone()), 2, [1,2,3].to_vec())
-    
-    set_variable_on_chain_schema {
-        let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
-        let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
-        let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
-        let mode: CollectionMode = CollectionMode::ReFungible(3);
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
-        Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
-    }: set_variable_on_chain_schema(RawOrigin::Signed(caller.clone()), 2, [1,2,3].to_vec())
+	set_variable_meta_data {
+		let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
+		let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
+		let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
+		let mode: CollectionMode = CollectionMode::NFT;
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+		Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
+		let data = default_nft_data();
+		Nft::<T>::create_item(RawOrigin::Signed(caller.clone()).into(), 2, caller.clone(), data)?;
 
-    set_variable_meta_data {
-        let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
-        let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
-        let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
-        let mode: CollectionMode = CollectionMode::NFT;
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
-        Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
-        let data = default_nft_data();
-        Nft::<T>::create_item(RawOrigin::Signed(caller.clone()).into(), 2, caller.clone(), data)?;
+	}: set_variable_meta_data(RawOrigin::Signed(caller.clone()), 2, 1, [1, 2, 3].to_vec())
 
-    }: set_variable_meta_data(RawOrigin::Signed(caller.clone()), 2, 1, [1, 2, 3].to_vec())
+	set_schema_version {
+		let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
+		let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
+		let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
+		let mode: CollectionMode = CollectionMode::NFT;
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+		Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
+	}: set_schema_version(RawOrigin::Signed(caller.clone()), 2, SchemaVersion::Unique)
 
-    set_schema_version {
-        let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
-        let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
-        let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
-        let mode: CollectionMode = CollectionMode::NFT;
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
-        Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
-    }: set_schema_version(RawOrigin::Signed(caller.clone()), 2, SchemaVersion::Unique)
+	set_chain_limits {
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+		let limits = ChainLimits {
+			collection_numbers_limit: 0,
+			account_token_ownership_limit: 0,
+			collections_admins_limit: 0,
+			custom_data_limit: 0,
+			nft_sponsor_transfer_timeout: 0,
+			fungible_sponsor_transfer_timeout: 0,
+			refungible_sponsor_transfer_timeout: 0
+		};
+	}: set_chain_limits(RawOrigin::Signed(caller.clone()), limits)
 
-    set_chain_limits {
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
-        let limits = ChainLimits { 
-            collection_numbers_limit: 0,
-            account_token_ownership_limit: 0,
-            collections_admins_limit: 0,
-            custom_data_limit: 0,
-            nft_sponsor_transfer_timeout: 0,
-            fungible_sponsor_transfer_timeout: 0,
-            refungible_sponsor_transfer_timeout: 0
-        };
-    }: set_chain_limits(RawOrigin::Signed(caller.clone()), limits)
+	set_contract_sponsoring_rate_limit {
+		let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
+		let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
+		let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
+		let mode: CollectionMode = CollectionMode::NFT;
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+		Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
+		let block_number: T::BlockNumber = 0.into();
+	}: set_contract_sponsoring_rate_limit(RawOrigin::Signed(caller.clone()), caller.clone(), block_number)
 
-    set_contract_sponsoring_rate_limit {
-        let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
-        let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
-        let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
-        let mode: CollectionMode = CollectionMode::NFT;
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
-        Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
-        let block_number: T::BlockNumber = 0.into();   
-    }: set_contract_sponsoring_rate_limit(RawOrigin::Signed(caller.clone()), caller.clone(), block_number)
+	set_collection_limits{
+		let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
+		let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
+		let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
+		let mode: CollectionMode = CollectionMode::NFT;
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+		Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
 
-    set_collection_limits{
-        let col_name1: Vec<u16> = "Test1".encode_utf16().collect::<Vec<u16>>();
-        let col_desc1: Vec<u16> = "TestDescription1".encode_utf16().collect::<Vec<u16>>();
-        let token_prefix1: Vec<u8> = b"token_prefix1".to_vec();
-        let mode: CollectionMode = CollectionMode::NFT;
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
-        Nft::<T>::create_collection(RawOrigin::Signed(caller.clone()).into(), col_name1.clone(), col_desc1.clone(), token_prefix1.clone(), mode.clone())?;
-    
-        let cl = CollectionLimits {
-            account_token_ownership_limit: 0,
-            sponsored_data_size: 0,
-            token_limit: 0,
-            sponsor_transfer_timeout: 0
-        };
+		let cl = CollectionLimits {
+			account_token_ownership_limit: 0,
+			sponsored_data_size: 0,
+			token_limit: 0,
+			sponsor_transfer_timeout: 0
+		};
 
-    }: set_collection_limits(RawOrigin::Signed(caller.clone()), 2, cl)
+	}: set_collection_limits(RawOrigin::Signed(caller.clone()), 2, cl)
 
-    add_to_contract_white_list{
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
-    }: add_to_contract_white_list(RawOrigin::Signed(caller.clone()), caller.clone(), caller.clone())
+	add_to_contract_white_list{
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+	}: add_to_contract_white_list(RawOrigin::Signed(caller.clone()), caller.clone(), caller.clone())
 
-    remove_from_contract_white_list{
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
-        Nft::<T>::add_to_contract_white_list(RawOrigin::Signed(caller.clone()).into(), caller.clone(), caller.clone())?;
-    }: remove_from_contract_white_list(RawOrigin::Signed(caller.clone()), caller.clone(), caller.clone())
+	remove_from_contract_white_list{
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+		Nft::<T>::add_to_contract_white_list(RawOrigin::Signed(caller.clone()).into(), caller.clone(), caller.clone())?;
+	}: remove_from_contract_white_list(RawOrigin::Signed(caller.clone()), caller.clone(), caller.clone())
 
-    toggle_contract_white_list{
-        let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
-    }: toggle_contract_white_list(RawOrigin::Signed(caller.clone()), caller.clone(), true)
+	toggle_contract_white_list{
+		let caller: T::AccountId = T::AccountId::from(whitelisted_caller());
+	}: toggle_contract_white_list(RawOrigin::Signed(caller.clone()), caller.clone(), true)
 */
 }
modifiedpallets/nft/src/default_weights.rsdiffbeforeafterboth
--- a/pallets/nft/src/default_weights.rs
+++ b/pallets/nft/src/default_weights.rs
@@ -2,154 +2,154 @@
 
 impl crate::WeightInfo for () {
 	fn create_collection() -> Weight {
-		(70_000_000 as Weight)
-			.saturating_add(DbWeight::get().reads(7 as Weight))
-			.saturating_add(DbWeight::get().writes(5 as Weight))
+		70_000_000_u64
+			.saturating_add(DbWeight::get().reads(7_u64))
+			.saturating_add(DbWeight::get().writes(5_u64))
 	}
 	fn destroy_collection() -> Weight {
-		(90_000_000 as Weight)
-			.saturating_add(DbWeight::get().reads(2 as Weight))
-			.saturating_add(DbWeight::get().writes(5 as Weight))
+		90_000_000_u64
+			.saturating_add(DbWeight::get().reads(2_u64))
+			.saturating_add(DbWeight::get().writes(5_u64))
 	}
 	fn add_to_white_list() -> Weight {
-		(30_000_000 as Weight)
-			.saturating_add(DbWeight::get().reads(3 as Weight))
-			.saturating_add(DbWeight::get().writes(1 as Weight))
-    }
-    fn remove_from_white_list() -> Weight {
-		(35_000_000 as Weight)
-			.saturating_add(DbWeight::get().reads(3 as Weight))
-			.saturating_add(DbWeight::get().writes(1 as Weight))
+		30_000_000_u64
+			.saturating_add(DbWeight::get().reads(3_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
+	}
+	fn remove_from_white_list() -> Weight {
+		35_000_000_u64
+			.saturating_add(DbWeight::get().reads(3_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
 	}
 	fn set_public_access_mode() -> Weight {
-		(27_000_000 as Weight)
-			.saturating_add(DbWeight::get().reads(1 as Weight))
-			.saturating_add(DbWeight::get().writes(1 as Weight))
+		27_000_000_u64
+			.saturating_add(DbWeight::get().reads(1_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
 	}
 	fn set_mint_permission() -> Weight {
-		(27_000_000 as Weight)
-			.saturating_add(DbWeight::get().reads(1 as Weight))
-			.saturating_add(DbWeight::get().writes(1 as Weight))
+		27_000_000_u64
+			.saturating_add(DbWeight::get().reads(1_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
 	}
 	fn change_collection_owner() -> Weight {
-		(27_000_000 as Weight)
-			.saturating_add(DbWeight::get().reads(1 as Weight))
-			.saturating_add(DbWeight::get().writes(1 as Weight))
+		27_000_000_u64
+			.saturating_add(DbWeight::get().reads(1_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
 	}
 	fn add_collection_admin() -> Weight {
-        (32_000_000 as Weight)
-            .saturating_add(DbWeight::get().reads(3 as Weight))
-            .saturating_add(DbWeight::get().writes(1 as Weight))
+		32_000_000_u64
+			.saturating_add(DbWeight::get().reads(3_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
 	}
 	fn remove_collection_admin() -> Weight {
-		(50_000_000 as Weight)
-            .saturating_add(DbWeight::get().reads(2 as Weight))
-            .saturating_add(DbWeight::get().writes(1 as Weight))
-    }
-    fn set_collection_sponsor() -> Weight {
-		(32_000_000 as Weight)
-            .saturating_add(DbWeight::get().reads(2 as Weight))
-            .saturating_add(DbWeight::get().writes(1 as Weight))
-    }  
-    fn confirm_sponsorship() -> Weight {
-		(22_000_000 as Weight)
-            .saturating_add(DbWeight::get().reads(1 as Weight))
-            .saturating_add(DbWeight::get().writes(1 as Weight))
-    }  
-    fn remove_collection_sponsor() -> Weight {
-		(24_000_000 as Weight)
-            .saturating_add(DbWeight::get().reads(1 as Weight))
-            .saturating_add(DbWeight::get().writes(1 as Weight))
-    }  
-    fn create_item(s: usize, ) -> Weight {
-        (130_000_000 as Weight)
-            .saturating_add((2135 as Weight).saturating_mul(s as Weight).saturating_mul(500 as Weight)) // 500 is temporary multiplier, fee for storage
-            .saturating_add(DbWeight::get().reads(10 as Weight))
-            .saturating_add(DbWeight::get().writes(8 as Weight))
-    }  
-    fn burn_item() -> Weight {
-		(170_000_000 as Weight)
-            .saturating_add(DbWeight::get().reads(9 as Weight))
-            .saturating_add(DbWeight::get().writes(7 as Weight))
-    }  
-    fn transfer() -> Weight {
-        (125_000_000 as Weight)
-            .saturating_add(DbWeight::get().reads(7 as Weight))
-            .saturating_add(DbWeight::get().writes(7 as Weight))
-    }  
-    fn approve() -> Weight {
-        (45_000_000 as Weight)
-            .saturating_add(DbWeight::get().reads(3 as Weight))
-            .saturating_add(DbWeight::get().writes(1 as Weight))
-    }
-    fn transfer_from() -> Weight {
-        (150_000_000 as Weight)
-            .saturating_add(DbWeight::get().reads(9 as Weight))
-            .saturating_add(DbWeight::get().writes(8 as Weight))
-    }
-    fn set_offchain_schema() -> Weight {
-        (33_000_000 as Weight)
-            .saturating_add(DbWeight::get().reads(2 as Weight))
-            .saturating_add(DbWeight::get().writes(1 as Weight))
-    }
-    fn set_const_on_chain_schema() -> Weight {
-        (11_100_000 as Weight)
-            .saturating_add(DbWeight::get().reads(2 as Weight))
-            .saturating_add(DbWeight::get().writes(1 as Weight))
-    }
-    fn set_variable_on_chain_schema() -> Weight {
-        (11_100_000 as Weight)
-            .saturating_add(DbWeight::get().reads(2 as Weight))
-            .saturating_add(DbWeight::get().writes(1 as Weight))
-    }
-    fn set_variable_meta_data() -> Weight {
-        (17_500_000 as Weight)
-            .saturating_add(DbWeight::get().reads(2 as Weight))
-            .saturating_add(DbWeight::get().writes(1 as Weight))
-    }
-    fn enable_contract_sponsoring() -> Weight {
-        (13_000_000 as Weight)
-            .saturating_add(DbWeight::get().reads(1 as Weight))
-            .saturating_add(DbWeight::get().writes(1 as Weight))
-    }
-    fn set_schema_version() -> Weight {
-        (8_500_000 as Weight)
-            .saturating_add(DbWeight::get().reads(2 as Weight))
-            .saturating_add(DbWeight::get().writes(1 as Weight))
-    }
-    fn set_chain_limits() -> Weight {
-        (1_300_000 as Weight)
-            .saturating_add(DbWeight::get().reads(0 as Weight))
-            .saturating_add(DbWeight::get().writes(1 as Weight))
-    }
-    fn set_contract_sponsoring_rate_limit() -> Weight {
-        (3_500_000 as Weight)
-            .saturating_add(DbWeight::get().reads(0 as Weight))
-            .saturating_add(DbWeight::get().writes(2 as Weight))
-    }    
-    fn set_variable_meta_data_sponsoring_rate_limit() -> Weight {
-        (3_500_000 as Weight)
-            .saturating_add(DbWeight::get().reads(2 as Weight))
-            .saturating_add(DbWeight::get().writes(1 as Weight))
-    }
-    fn toggle_contract_white_list() -> Weight {
-        (3_000_000 as Weight)
-            .saturating_add(DbWeight::get().reads(0 as Weight))
-            .saturating_add(DbWeight::get().writes(2 as Weight))
-    }    
-    fn add_to_contract_white_list() -> Weight {
-        (3_000_000 as Weight)
-            .saturating_add(DbWeight::get().reads(0 as Weight))
-            .saturating_add(DbWeight::get().writes(2 as Weight))
-    }    
-    fn remove_from_contract_white_list() -> Weight {
-        (3_200_000 as Weight)
-            .saturating_add(DbWeight::get().reads(0 as Weight))
-            .saturating_add(DbWeight::get().writes(2 as Weight))
-    }
-    fn set_collection_limits() -> Weight {
-        (8_900_000 as Weight)
-            .saturating_add(DbWeight::get().reads(2 as Weight))
-            .saturating_add(DbWeight::get().writes(1 as Weight))
-    }
+		50_000_000_u64
+			.saturating_add(DbWeight::get().reads(2_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
+	}
+	fn set_collection_sponsor() -> Weight {
+		32_000_000_u64
+			.saturating_add(DbWeight::get().reads(2_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
+	}
+	fn confirm_sponsorship() -> Weight {
+		22_000_000_u64
+			.saturating_add(DbWeight::get().reads(1_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
+	}
+	fn remove_collection_sponsor() -> Weight {
+		24_000_000_u64
+			.saturating_add(DbWeight::get().reads(1_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
+	}
+	fn create_item(s: usize) -> Weight {
+		130_000_000_u64
+			.saturating_add(2135_u64.saturating_mul(s as Weight).saturating_mul(500_u64)) // 500 is temporary multiplier, fee for storage
+			.saturating_add(DbWeight::get().reads(10_u64))
+			.saturating_add(DbWeight::get().writes(8_u64))
+	}
+	fn burn_item() -> Weight {
+		170_000_000_u64
+			.saturating_add(DbWeight::get().reads(9_u64))
+			.saturating_add(DbWeight::get().writes(7_u64))
+	}
+	fn transfer() -> Weight {
+		125_000_000_u64
+			.saturating_add(DbWeight::get().reads(7_u64))
+			.saturating_add(DbWeight::get().writes(7_u64))
+	}
+	fn approve() -> Weight {
+		45_000_000_u64
+			.saturating_add(DbWeight::get().reads(3_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
+	}
+	fn transfer_from() -> Weight {
+		150_000_000_u64
+			.saturating_add(DbWeight::get().reads(9_u64))
+			.saturating_add(DbWeight::get().writes(8_u64))
+	}
+	fn set_offchain_schema() -> Weight {
+		33_000_000_u64
+			.saturating_add(DbWeight::get().reads(2_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
+	}
+	fn set_const_on_chain_schema() -> Weight {
+		11_100_000_u64
+			.saturating_add(DbWeight::get().reads(2_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
+	}
+	fn set_variable_on_chain_schema() -> Weight {
+		11_100_000_u64
+			.saturating_add(DbWeight::get().reads(2_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
+	}
+	fn set_variable_meta_data() -> Weight {
+		17_500_000_u64
+			.saturating_add(DbWeight::get().reads(2_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
+	}
+	fn enable_contract_sponsoring() -> Weight {
+		13_000_000_u64
+			.saturating_add(DbWeight::get().reads(1_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
+	}
+	fn set_schema_version() -> Weight {
+		8_500_000_u64
+			.saturating_add(DbWeight::get().reads(2_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
+	}
+	fn set_chain_limits() -> Weight {
+		1_300_000_u64
+			.saturating_add(DbWeight::get().reads(0_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
+	}
+	fn set_contract_sponsoring_rate_limit() -> Weight {
+		3_500_000_u64
+			.saturating_add(DbWeight::get().reads(0_u64))
+			.saturating_add(DbWeight::get().writes(2_u64))
+	}
+	fn set_variable_meta_data_sponsoring_rate_limit() -> Weight {
+		3_500_000_u64
+			.saturating_add(DbWeight::get().reads(2_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
+	}
+	fn toggle_contract_white_list() -> Weight {
+		3_000_000_u64
+			.saturating_add(DbWeight::get().reads(0_u64))
+			.saturating_add(DbWeight::get().writes(2_u64))
+	}
+	fn add_to_contract_white_list() -> Weight {
+		3_000_000_u64
+			.saturating_add(DbWeight::get().reads(0_u64))
+			.saturating_add(DbWeight::get().writes(2_u64))
+	}
+	fn remove_from_contract_white_list() -> Weight {
+		3_200_000_u64
+			.saturating_add(DbWeight::get().reads(0_u64))
+			.saturating_add(DbWeight::get().writes(2_u64))
+	}
+	fn set_collection_limits() -> Weight {
+		8_900_000_u64
+			.saturating_add(DbWeight::get().reads(2_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
+	}
 }
modifiedpallets/nft/src/eth/account.rsdiffbeforeafterboth
--- a/pallets/nft/src/eth/account.rs
+++ b/pallets/nft/src/eth/account.rs
@@ -8,128 +8,129 @@
 use sp_std::vec::Vec;
 use sp_std::clone::Clone;
 
-pub trait CrossAccountId<AccountId>: 
-    Encode + EncodeLike + Decode + 
-    Clone + PartialEq + Ord + core::fmt::Debug // + 
-    // Serialize + Deserialize<'static> 
+pub trait CrossAccountId<AccountId>:
+	Encode + EncodeLike + Decode + Clone + PartialEq + Ord + core::fmt::Debug
+// +
+// Serialize + Deserialize<'static>
 {
-    fn as_sub(&self) -> &AccountId;
-    fn as_eth(&self) -> &H160;
+	fn as_sub(&self) -> &AccountId;
+	fn as_eth(&self) -> &H160;
 
-    fn from_sub(account: AccountId) -> Self;
-    fn from_eth(account: H160) -> Self;
+	fn from_sub(account: AccountId) -> Self;
+	fn from_eth(account: H160) -> Self;
 }
 
-#[derive(Eq)]
-#[derive(Serialize, Deserialize)]
+#[derive(Eq, Serialize, Deserialize)]
 pub struct BasicCrossAccountId<T: Config> {
-    /// If true - then ethereum is canonical encoding
-    from_ethereum: bool,
-    substrate: T::AccountId,
-    ethereum: H160,
+	/// If true - then ethereum is canonical encoding
+	from_ethereum: bool,
+	substrate: T::AccountId,
+	ethereum: H160,
 }
 
 impl<T: Config> core::fmt::Debug for BasicCrossAccountId<T> {
-    fn fmt(&self, fmt: &mut core::fmt::Formatter) -> core::fmt::Result {
-        if self.from_ethereum {
-            fmt.debug_tuple("CrossAccountId::Ethereum")
-                .field(&self.ethereum)
-                .finish()
-        } else {
-            fmt.debug_tuple("CrossAccountId::Substrate")
-                .field(&self.substrate)
-                .finish()
-        }
-    }
+	fn fmt(&self, fmt: &mut core::fmt::Formatter) -> core::fmt::Result {
+		if self.from_ethereum {
+			fmt.debug_tuple("CrossAccountId::Ethereum")
+				.field(&self.ethereum)
+				.finish()
+		} else {
+			fmt.debug_tuple("CrossAccountId::Substrate")
+				.field(&self.substrate)
+				.finish()
+		}
+	}
 }
 
 impl<T: Config> PartialOrd for BasicCrossAccountId<T> {
-    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
-        Some(self.substrate.cmp(&other.substrate))
-    }
+	fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
+		Some(self.substrate.cmp(&other.substrate))
+	}
 }
 
 impl<T: Config> Ord for BasicCrossAccountId<T> {
-    fn cmp(&self, other: &Self) -> Ordering {
-        self.partial_cmp(other).expect("substrate account is total ordered")
-    }
+	fn cmp(&self, other: &Self) -> Ordering {
+		self.partial_cmp(other)
+			.expect("substrate account is total ordered")
+	}
 }
 
 impl<T: Config> PartialEq for BasicCrossAccountId<T> {
-    fn eq(&self, other: &Self) -> bool {
-        if self.from_ethereum == other.from_ethereum {
-            self.substrate == other.substrate && self.ethereum == other.ethereum
-        } else if self.from_ethereum {
-            // ethereum is canonical encoding, but we need to compare derived address
-            self.substrate == other.substrate
-        } else {
-            self.ethereum == other.ethereum
-        }
-    }
+	fn eq(&self, other: &Self) -> bool {
+		if self.from_ethereum == other.from_ethereum {
+			self.substrate == other.substrate && self.ethereum == other.ethereum
+		} else if self.from_ethereum {
+			// ethereum is canonical encoding, but we need to compare derived address
+			self.substrate == other.substrate
+		} else {
+			self.ethereum == other.ethereum
+		}
+	}
 }
 impl<T: Config> Clone for BasicCrossAccountId<T> {
-    fn clone(&self) -> Self {
-        Self {
-            from_ethereum: self.from_ethereum,
-            substrate: self.substrate.clone(),
-            ethereum: self.ethereum,
-        }
-    }
+	fn clone(&self) -> Self {
+		Self {
+			from_ethereum: self.from_ethereum,
+			substrate: self.substrate.clone(),
+			ethereum: self.ethereum,
+		}
+	}
 }
 impl<T: Config> Encode for BasicCrossAccountId<T> {
-    fn encode(&self) -> Vec<u8> {
-        let as_result = if !self.from_ethereum {
-            Ok(self.substrate.clone())
-        } else {
-            Err(self.ethereum)
-        };
-        as_result.encode()
-    }
+	fn encode(&self) -> Vec<u8> {
+		let as_result = if !self.from_ethereum {
+			Ok(self.substrate.clone())
+		} else {
+			Err(self.ethereum)
+		};
+		as_result.encode()
+	}
 }
 impl<T: Config> EncodeLike for BasicCrossAccountId<T> {}
 impl<T: Config> Decode for BasicCrossAccountId<T> {
-    fn decode<I>(input: &mut I) -> Result<Self, codec::Error>
-        where I: codec::Input
-    {
-        Ok(match <Result<T::AccountId, H160>>::decode(input)? {
-            Ok(s) => Self::from_sub(s),
-            Err(e) => Self::from_eth(e),
-        })
-    }
+	fn decode<I>(input: &mut I) -> Result<Self, codec::Error>
+	where
+		I: codec::Input,
+	{
+		Ok(match <Result<T::AccountId, H160>>::decode(input)? {
+			Ok(s) => Self::from_sub(s),
+			Err(e) => Self::from_eth(e),
+		})
+	}
 }
 impl<T: Config> CrossAccountId<T::AccountId> for BasicCrossAccountId<T> {
-    fn as_sub(&self) -> &T::AccountId {
-        &self.substrate
-    }
-    fn as_eth(&self) -> &H160 {
-        &self.ethereum
-    }
-    fn from_sub(substrate: T::AccountId) -> Self {
-        Self {
-            ethereum: T::EvmBackwardsAddressMapping::from_account_id(substrate.clone()),
-            substrate,
-            from_ethereum: false,
-        }
-    }
-    fn from_eth(ethereum: H160) -> Self {
-        Self {
-            ethereum,
-            substrate: T::EvmAddressMapping::into_account_id(ethereum),
-            from_ethereum: true,
-        }
-    }
+	fn as_sub(&self) -> &T::AccountId {
+		&self.substrate
+	}
+	fn as_eth(&self) -> &H160 {
+		&self.ethereum
+	}
+	fn from_sub(substrate: T::AccountId) -> Self {
+		Self {
+			ethereum: T::EvmBackwardsAddressMapping::from_account_id(substrate.clone()),
+			substrate,
+			from_ethereum: false,
+		}
+	}
+	fn from_eth(ethereum: H160) -> Self {
+		Self {
+			ethereum,
+			substrate: T::EvmAddressMapping::into_account_id(ethereum),
+			from_ethereum: true,
+		}
+	}
 }
 
 pub trait EvmBackwardsAddressMapping<AccountId> {
-    fn from_account_id(account_id: AccountId) -> H160;
+	fn from_account_id(account_id: AccountId) -> H160;
 }
 
 /// Should have same mapping as EnsureAddressTruncated
 pub struct MapBackwardsAddressTruncated;
 impl EvmBackwardsAddressMapping<AccountId32> for MapBackwardsAddressTruncated {
-    fn from_account_id(account_id: AccountId32) -> H160 {
-        let mut out = [0; 20];
-        out.copy_from_slice(&(account_id.as_ref() as &[u8])[0..20]);
-        H160(out)
-    }
-}
\ No newline at end of file
+	fn from_account_id(account_id: AccountId32) -> H160 {
+		let mut out = [0; 20];
+		out.copy_from_slice(&(account_id.as_ref() as &[u8])[0..20]);
+		H160(out)
+	}
+}
modifiedpallets/nft/src/eth/erc.rsdiffbeforeafterboth
--- a/pallets/nft/src/eth/erc.rs
+++ b/pallets/nft/src/eth/erc.rs
@@ -3,132 +3,199 @@
 
 #[solidity_interface]
 pub trait InlineNameSymbol {
-    type Error;
+	type Error;
 
-    fn name(&self) -> Result<string, Self::Error>;
-    fn symbol(&self) -> Result<string, Self::Error>;
+	fn name(&self) -> Result<string, Self::Error>;
+	fn symbol(&self) -> Result<string, Self::Error>;
 }
 
 #[solidity_interface]
 pub trait InlineTotalSupply {
-    type Error;
+	type Error;
 
-    fn total_supply(&self) -> Result<uint256, Self::Error>;
+	fn total_supply(&self) -> Result<uint256, Self::Error>;
 }
 
 #[solidity_interface]
 pub trait ERC165 {
-    type Error;
+	type Error;
 
-    fn supports_interface(&self, interface_id: bytes4) -> Result<bool, Self::Error>;
+	fn supports_interface(&self, interface_id: bytes4) -> Result<bool, Self::Error>;
 }
 
 #[solidity_interface(inline_is(InlineNameSymbol))]
 pub trait ERC721Metadata {
-    type Error;
+	type Error;
 
-    #[solidity(rename_selector = "tokenURI")]
-    fn token_uri(&self, token_id: uint256) -> Result<string, Self::Error>;
+	#[solidity(rename_selector = "tokenURI")]
+	fn token_uri(&self, token_id: uint256) -> Result<string, Self::Error>;
 }
 
 #[solidity_interface(inline_is(InlineTotalSupply))]
 pub trait ERC721Enumerable {
-    type Error;
+	type Error;
 
-    fn token_by_index(&self, index: uint256) -> Result<uint256, Self::Error>;
-    fn token_of_owner_by_index(&self, owner: address, index: uint256) -> Result<uint256, Self::Error>;
+	fn token_by_index(&self, index: uint256) -> Result<uint256, Self::Error>;
+	fn token_of_owner_by_index(
+		&self,
+		owner: address,
+		index: uint256,
+	) -> Result<uint256, Self::Error>;
 }
 
-
 #[derive(ToLog)]
 pub enum ERC721Events {
-    Transfer {
-        #[indexed] from: address,
-        #[indexed] to: address,
-        #[indexed] token_id: uint256,
-    },
-    Approval {
-        #[indexed] owner: address,
-        #[indexed] approved: address,
-        #[indexed] token_id: uint256,
-    },
-    #[allow(dead_code)]
-    ApprovalForAll {
-        #[indexed] owner: address,
-        #[indexed] operator: address,
-        approved: bool,
-    }
+	Transfer {
+		#[indexed]
+		from: address,
+		#[indexed]
+		to: address,
+		#[indexed]
+		token_id: uint256,
+	},
+	Approval {
+		#[indexed]
+		owner: address,
+		#[indexed]
+		approved: address,
+		#[indexed]
+		token_id: uint256,
+	},
+	#[allow(dead_code)]
+	ApprovalForAll {
+		#[indexed]
+		owner: address,
+		#[indexed]
+		operator: address,
+		approved: bool,
+	},
 }
 
 #[solidity_interface(is(ERC165), events(ERC721Events))]
 pub trait ERC721 {
-    type Error;
+	type Error;
 
-    fn balance_of(&self, owner: address) -> Result<uint256, Self::Error>;
-    fn owner_of(&self, token_id: uint256) -> Result<address, Self::Error>;
+	fn balance_of(&self, owner: address) -> Result<uint256, Self::Error>;
+	fn owner_of(&self, token_id: uint256) -> Result<address, Self::Error>;
 
-    #[solidity(rename_selector = "safeTransferFrom")]
-    fn safe_transfer_from_with_data(&mut self, from: address, to: address, token_id: uint256, data: bytes, value: value) -> Result<void, Self::Error>;
-    fn safe_transfer_from(&mut self, from: address, to: address, token_id: uint256, value: value) -> Result<void, Self::Error>;
+	#[solidity(rename_selector = "safeTransferFrom")]
+	fn safe_transfer_from_with_data(
+		&mut self,
+		from: address,
+		to: address,
+		token_id: uint256,
+		data: bytes,
+		value: value,
+	) -> Result<void, Self::Error>;
+	fn safe_transfer_from(
+		&mut self,
+		from: address,
+		to: address,
+		token_id: uint256,
+		value: value,
+	) -> Result<void, Self::Error>;
 
-    fn transfer_from(&mut self, caller: caller, from: address, to: address, token_id: uint256, value: value) -> Result<void, Self::Error>;
-    fn approve(&mut self, caller: caller, approved: address, token_id: uint256, value: value) -> Result<void, Self::Error>;
-    fn set_approval_for_all(&mut self, caller: caller, operator: address, approved: bool) -> Result<void, Self::Error>;
+	fn transfer_from(
+		&mut self,
+		caller: caller,
+		from: address,
+		to: address,
+		token_id: uint256,
+		value: value,
+	) -> Result<void, Self::Error>;
+	fn approve(
+		&mut self,
+		caller: caller,
+		approved: address,
+		token_id: uint256,
+		value: value,
+	) -> Result<void, Self::Error>;
+	fn set_approval_for_all(
+		&mut self,
+		caller: caller,
+		operator: address,
+		approved: bool,
+	) -> Result<void, Self::Error>;
 
-    fn get_approved(&self, token_id: uint256) -> Result<address, Self::Error>;
-    fn is_approved_for_all(&self, owner: address, operator: address) -> Result<address, Self::Error>;
+	fn get_approved(&self, token_id: uint256) -> Result<address, Self::Error>;
+	fn is_approved_for_all(
+		&self,
+		owner: address,
+		operator: address,
+	) -> Result<address, Self::Error>;
 }
 
 #[solidity_interface]
 pub trait ERC721UniqueExtensions {
-    type Error;
+	type Error;
 
-    fn transfer(&mut self, caller: caller, to: address, token_id: uint256, value: value) -> Result<void, Self::Error>;
+	fn transfer(
+		&mut self,
+		caller: caller,
+		to: address,
+		token_id: uint256,
+		value: value,
+	) -> Result<void, Self::Error>;
 }
 
-#[solidity_interface(is(ERC165, ERC721, ERC721Metadata, ERC721Enumerable, ERC721UniqueExtensions))]
+#[solidity_interface(is(
+	ERC165,
+	ERC721,
+	ERC721Metadata,
+	ERC721Enumerable,
+	ERC721UniqueExtensions
+))]
 pub trait UniqueNFT {
-    type Error;
+	type Error;
 }
 
 #[derive(ToLog)]
 pub enum ERC20Events {
-    Transfer {
-        #[indexed] from: address,
-        #[indexed] to: address,
-        value: uint256,
-    },
-    Approval {
-        #[indexed] owner: address,
-        #[indexed] spender: address,
-        value: uint256,
-    }
+	Transfer {
+		#[indexed]
+		from: address,
+		#[indexed]
+		to: address,
+		value: uint256,
+	},
+	Approval {
+		#[indexed]
+		owner: address,
+		#[indexed]
+		spender: address,
+		value: uint256,
+	},
 }
 
 #[solidity_interface(inline_is(InlineNameSymbol, InlineTotalSupply), events(ERC20Events))]
 pub trait ERC20 {
-    type Error;
-    
-    fn decimals(&self) -> Result<uint8, Self::Error>;
-    fn balance_of(&self, owner: address) -> Result<uint256, Self::Error>;
-    fn transfer(&mut self, caller: caller, to: address, value: uint256) -> Result<bool, Self::Error>;
-    fn transfer_from(&mut self, caller: caller, from: address, to: address, value: uint256) -> Result<bool, Self::Error>;
-    fn approve(&mut self, caller: caller, spender: address, value: uint256) -> Result<bool, Self::Error>;
-    fn allowance(&self, owner: address, spender: address) -> Result<uint256, Self::Error>;
+	type Error;
+
+	fn decimals(&self) -> Result<uint8, Self::Error>;
+	fn balance_of(&self, owner: address) -> Result<uint256, Self::Error>;
+	fn transfer(
+		&mut self,
+		caller: caller,
+		to: address,
+		value: uint256,
+	) -> Result<bool, Self::Error>;
+	fn transfer_from(
+		&mut self,
+		caller: caller,
+		from: address,
+		to: address,
+		value: uint256,
+	) -> Result<bool, Self::Error>;
+	fn approve(
+		&mut self,
+		caller: caller,
+		spender: address,
+		value: uint256,
+	) -> Result<bool, Self::Error>;
+	fn allowance(&self, owner: address, spender: address) -> Result<uint256, Self::Error>;
 }
 
 #[solidity_interface(is(ERC165, ERC20))]
 pub trait UniqueFungible {
-    type Error;
+	type Error;
 }
-
-/// Runtime metadata like helpers for evm
-#[solidity_interface]
-trait UniqueHelpers {
-    type Error;
-
-    /// Returns interface for NFT collections
-    fn nft_interface(&self) -> Result<string, Self::Error>;
-    /// Returns interface for Fungible collections
-    fn fungible_interface(&self) -> Result<string, Self::Error>;
-}
\ No newline at end of file
modifiedpallets/nft/src/eth/erc_impl.rsdiffbeforeafterboth
--- a/pallets/nft/src/eth/erc_impl.rs
+++ b/pallets/nft/src/eth/erc_impl.rs
@@ -56,7 +56,7 @@
 		Ok(index)
 	}
 
-	fn token_of_owner_by_index(&self, owner: address, index: uint256) -> Result<uint256> {
+	fn token_of_owner_by_index(&self, _owner: address, _index: uint256) -> Result<uint256> {
 		// TODO: Not implemetable
 		Err("not implemented".into())
 	}
@@ -77,7 +77,7 @@
 	fn owner_of(&self, token_id: uint256) -> Result<address> {
 		let token_id: u32 = token_id.try_into().map_err(|_| "token id overflow")?;
 		let token = <NftItemList<T>>::get(self.id, token_id).ok_or("unknown token")?;
-		Ok(token.owner.as_eth().clone())
+		Ok(*token.owner.as_eth())
 	}
 	fn safe_transfer_from_with_data(
 		&mut self,
@@ -114,7 +114,7 @@
 		let to = T::CrossAccountId::from_eth(to);
 		let token_id = token_id.try_into().map_err(|_| "token_id overflow")?;
 
-		<Module<T>>::transfer_from_internal(&caller, &from, &to, &self, token_id, 1)
+		<Module<T>>::transfer_from_internal(&caller, &from, &to, self, token_id, 1)
 			.map_err(|_| "transferFrom error")?;
 		Ok(())
 	}
@@ -130,7 +130,7 @@
 		let approved = T::CrossAccountId::from_eth(approved);
 		let token_id = token_id.try_into().map_err(|_| "token_id overflow")?;
 
-		<Module<T>>::approve_internal(&caller, &approved, &self, token_id, 1)
+		<Module<T>>::approve_internal(&caller, &approved, self, token_id, 1)
 			.map_err(|_| "approve internal")?;
 		Ok(())
 	}
@@ -170,13 +170,13 @@
 		caller: caller,
 		to: address,
 		token_id: uint256,
-		value: value,
+		_value: value,
 	) -> Result<void> {
 		let caller = T::CrossAccountId::from_eth(caller);
 		let to = T::CrossAccountId::from_eth(to);
 		let token_id = token_id.try_into().map_err(|_| "amount overflow")?;
 
-		<Module<T>>::transfer_internal(&caller, &to, &self, token_id, 1)
+		<Module<T>>::transfer_internal(&caller, &to, self, token_id, 1)
 			.map_err(|_| "transfer error")?;
 		Ok(())
 	}
@@ -226,7 +226,7 @@
 		let to = T::CrossAccountId::from_eth(to);
 		let amount = amount.try_into().map_err(|_| "amount overflow")?;
 
-		<Module<T>>::transfer_internal(&caller, &to, &self, 1, amount)
+		<Module<T>>::transfer_internal(&caller, &to, self, 1, amount)
 			.map_err(|_| "transfer error")?;
 		Ok(true)
 	}
@@ -242,7 +242,7 @@
 		let to = T::CrossAccountId::from_eth(to);
 		let amount = amount.try_into().map_err(|_| "amount overflow")?;
 
-		<Module<T>>::transfer_from_internal(&caller, &from, &to, &self, 1, amount)
+		<Module<T>>::transfer_from_internal(&caller, &from, &to, self, 1, amount)
 			.map_err(|_| "transferFrom error")?;
 		Ok(true)
 	}
@@ -251,7 +251,7 @@
 		let spender = T::CrossAccountId::from_eth(spender);
 		let amount = amount.try_into().map_err(|_| "amount overflow")?;
 
-		<Module<T>>::approve_internal(&caller, &spender, &self, 1, amount)
+		<Module<T>>::approve_internal(&caller, &spender, self, 1, amount)
 			.map_err(|_| "approve internal")?;
 		Ok(true)
 	}
modifiedpallets/nft/src/eth/log.rsdiffbeforeafterboth
--- a/pallets/nft/src/eth/log.rs
+++ b/pallets/nft/src/eth/log.rs
@@ -1,19 +1,19 @@
 use sp_std::cell::RefCell;
 use sp_std::vec::Vec;
-use sp_core::{H160, H256};
+
 use ethereum::Log;
 
 #[derive(Default)]
 pub struct LogRecorder(RefCell<Vec<Log>>);
 
 impl LogRecorder {
-    pub fn is_empty(&self) -> bool {
-        self.0.borrow().is_empty()
-    }
-    pub fn log(&self, log: Log) {
-        self.0.borrow_mut().push(log);
-    }
-    pub fn retrieve_logs(self) -> Vec<Log> {
-        self.0.into_inner()
-    }
+	pub fn is_empty(&self) -> bool {
+		self.0.borrow().is_empty()
+	}
+	pub fn log(&self, log: Log) {
+		self.0.borrow_mut().push(log);
+	}
+	pub fn retrieve_logs(self) -> Vec<Log> {
+		self.0.into_inner()
+	}
 }
modifiedpallets/nft/src/eth/mod.rsdiffbeforeafterboth
--- a/pallets/nft/src/eth/mod.rs
+++ b/pallets/nft/src/eth/mod.rs
@@ -28,7 +28,7 @@
 ];
 
 fn map_eth_to_id(eth: &H160) -> Option<CollectionId> {
-	if &eth[0..16] != ETH_ACCOUNT_PREFIX {
+	if eth[0..16] != ETH_ACCOUNT_PREFIX {
 		return None;
 	}
 	let mut id_bytes = [0; 4];
@@ -92,12 +92,9 @@
 				},
 			)?))
 		}
-		_ => {
-			return Err(StringError::from(
-				"erc calls only supported to fungible and nft collections for now",
-			)
-			.into())
-		}
+		_ => Err(StringError::from(
+			"erc calls only supported to fungible and nft collections for now",
+		)),
 	}
 }
 
@@ -111,7 +108,7 @@
 			.unwrap_or(false)
 	}
 	fn get_code(target: &H160) -> Option<Vec<u8>> {
-		map_eth_to_id(&target)
+		map_eth_to_id(target)
 			.and_then(<CollectionById<T>>::get)
 			.map(|collection| {
 				match collection.mode {
@@ -130,7 +127,7 @@
 		input: &[u8],
 		value: U256,
 	) -> Option<PrecompileOutput> {
-		let mut collection = map_eth_to_id(&target)
+		let mut collection = map_eth_to_id(target)
 			.and_then(|id| <CollectionHandle<T>>::get_with_gas_limit(id, gas_limit))?;
 		let (method_id, input) = AbiReader::new_call(input).unwrap();
 		let result = call_internal(&mut collection, *source, method_id, input, value);
@@ -156,11 +153,10 @@
 
 // TODO: This function is slow, and output can be memoized
 pub fn generate_transaction(collection_id: u32, chain_id: u64) -> ethereum::Transaction {
-	let contract = collection_id_to_address(collection_id);
-
 	// FIXME: Can be done on wasm runtime with https://github.com/paritytech/substrate/pull/8728
 	#[cfg(feature = "std")]
 	{
+		let contract = collection_id_to_address(collection_id);
 		let signed = ethereum_tx_sign::RawTransaction {
 			nonce: 0.into(),
 			to: Some(contract.0.into()),
@@ -183,6 +179,6 @@
 	}
 	#[cfg(not(feature = "std"))]
 	{
-		panic!("transaction generation not yet supported by wasm runtime")
+		panic!("transaction generation not yet supported by wasm runtime while generating transaction for collection_id {}, chain_id {}", collection_id, chain_id)
 	}
 }
modifiedpallets/nft/src/eth/sponsoring.rsdiffbeforeafterboth
--- a/pallets/nft/src/eth/sponsoring.rs
+++ b/pallets/nft/src/eth/sponsoring.rs
@@ -1,142 +1,170 @@
 //! Implements EVM sponsoring logic via OnChargeEVMTransaction
 
-use crate::{Collection, ChainLimit, CollectionById, Config, NftTransferBasket, FungibleTransferBasket, eth::account::EvmBackwardsAddressMapping};
+use crate::{
+	Collection, ChainLimit, CollectionById, Config, NftTransferBasket, FungibleTransferBasket,
+	eth::account::EvmBackwardsAddressMapping,
+};
 use evm_coder::abi::AbiReader;
-use frame_support::{storage::{StorageMap, StorageDoubleMap, StorageValue}, traits::Currency};
+use frame_support::{
+	storage::{StorageMap, StorageDoubleMap, StorageValue},
+	traits::Currency,
+};
 use pallet_evm::{EVMCurrencyAdapter, WithdrawReason};
 use sp_core::{H160, U256};
 use sp_std::prelude::*;
-use super::{account::CrossAccountId, erc::{UniqueFungibleCall, UniqueNFTCall, ERC721Call, ERC20Call, ERC721UniqueExtensionsCall}};
+use super::{
+	account::CrossAccountId,
+	erc::{UniqueFungibleCall, UniqueNFTCall, ERC721Call, ERC20Call, ERC721UniqueExtensionsCall},
+};
 use core::convert::TryInto;
 
 type NegativeImbalanceOf<C, T> =
-    <C as Currency<<T as frame_system::Config>::AccountId>>::NegativeImbalance;
+	<C as Currency<<T as frame_system::Config>::AccountId>>::NegativeImbalance;
 
 pub struct ChargeEvmTransaction;
 pub struct ChargeEvmLiquidityInfo<T>
 where
-    T: Config,
-    T: pallet_evm::Config,
+	T: Config,
+	T: pallet_evm::Config,
 {
-    who: H160,
-    negative_imbalance: NegativeImbalanceOf<<T as Config>::Currency, T>,
+	who: H160,
+	negative_imbalance: NegativeImbalanceOf<<T as Config>::Currency, T>,
 }
 
 struct AnyError;
 
-fn try_sponsor<T: Config>(caller: &H160, collection_id: u32, collection: &Collection<T>, call: &[u8]) -> Result<(), AnyError> {
-    let (method_id, mut reader) = AbiReader::new_call(call).map_err(|_| AnyError)?;
-    match &collection.mode {
-        crate::CollectionMode::NFT => {
-            let call: UniqueNFTCall = UniqueNFTCall::parse(method_id, &mut reader).map_err(|_| AnyError)?.ok_or(AnyError)?;
-            match call {
-                UniqueNFTCall::ERC721UniqueExtensions(ERC721UniqueExtensionsCall::Transfer {token_id, ..}) | UniqueNFTCall::ERC721(ERC721Call::TransferFrom {token_id, ..})  => {
-                    let token_id: u32 = token_id.try_into().map_err(|_| AnyError)?;
-                    let block_number = <frame_system::Module<T>>::block_number() as T::BlockNumber;
-                    let collection_limits = &collection.limits;
-                    let limit: u32 = if collection_limits.sponsor_transfer_timeout > 0 {
-                        collection_limits.sponsor_transfer_timeout
-                    } else {
-                        ChainLimit::get().nft_sponsor_transfer_timeout
-                    };
+fn try_sponsor<T: Config>(
+	caller: &H160,
+	collection_id: u32,
+	collection: &Collection<T>,
+	call: &[u8],
+) -> Result<(), AnyError> {
+	let (method_id, mut reader) = AbiReader::new_call(call).map_err(|_| AnyError)?;
+	match &collection.mode {
+		crate::CollectionMode::NFT => {
+			let call: UniqueNFTCall = UniqueNFTCall::parse(method_id, &mut reader)
+				.map_err(|_| AnyError)?
+				.ok_or(AnyError)?;
+			match call {
+				UniqueNFTCall::ERC721UniqueExtensions(ERC721UniqueExtensionsCall::Transfer {
+					token_id,
+					..
+				})
+				| UniqueNFTCall::ERC721(ERC721Call::TransferFrom { token_id, .. }) => {
+					let token_id: u32 = token_id.try_into().map_err(|_| AnyError)?;
+					let block_number = <frame_system::Pallet<T>>::block_number() as T::BlockNumber;
+					let collection_limits = &collection.limits;
+					let limit: u32 = if collection_limits.sponsor_transfer_timeout > 0 {
+						collection_limits.sponsor_transfer_timeout
+					} else {
+						ChainLimit::get().nft_sponsor_transfer_timeout
+					};
 
-                    let mut sponsor = true;
-                    if <NftTransferBasket<T>>::contains_key(collection_id, token_id) {
-                        let last_tx_block = <NftTransferBasket<T>>::get(collection_id, token_id);
-                        let limit_time = last_tx_block + limit.into();
-                        if block_number <= limit_time {
-                            sponsor = false;
-                        }
-                    }
-                    if sponsor {
-                        <NftTransferBasket<T>>::insert(collection_id, token_id, block_number);
-                        return Ok(())
-                    }
-                },
-                _ => {},
-            }
-        },
-        crate::CollectionMode::Fungible(_) => {
-            let call: UniqueFungibleCall = UniqueFungibleCall::parse(method_id, &mut reader).map_err(|_| AnyError)?.ok_or(AnyError)?;
-            match call {
-                UniqueFungibleCall::ERC20(ERC20Call::Transfer {..})  => {
-                    let who = T::CrossAccountId::from_eth(caller.clone());
-                    let collection_limits = &collection.limits;
-                    let limit: u32 = if collection_limits.sponsor_transfer_timeout > 0 {
-                        collection_limits.sponsor_transfer_timeout
-                    } else {
-                        ChainLimit::get().fungible_sponsor_transfer_timeout
-                    };
+					let mut sponsor = true;
+					if <NftTransferBasket<T>>::contains_key(collection_id, token_id) {
+						let last_tx_block = <NftTransferBasket<T>>::get(collection_id, token_id);
+						let limit_time = last_tx_block + limit.into();
+						if block_number <= limit_time {
+							sponsor = false;
+						}
+					}
+					if sponsor {
+						<NftTransferBasket<T>>::insert(collection_id, token_id, block_number);
+						return Ok(());
+					}
+				}
+				_ => {}
+			}
+		}
+		crate::CollectionMode::Fungible(_) => {
+			let call: UniqueFungibleCall = UniqueFungibleCall::parse(method_id, &mut reader)
+				.map_err(|_| AnyError)?
+				.ok_or(AnyError)?;
+			#[allow(clippy::single_match)]
+			match call {
+				UniqueFungibleCall::ERC20(ERC20Call::Transfer { .. }) => {
+					let who = T::CrossAccountId::from_eth(*caller);
+					let collection_limits = &collection.limits;
+					let limit: u32 = if collection_limits.sponsor_transfer_timeout > 0 {
+						collection_limits.sponsor_transfer_timeout
+					} else {
+						ChainLimit::get().fungible_sponsor_transfer_timeout
+					};
 
-                    let block_number = <frame_system::Module<T>>::block_number() as T::BlockNumber;
-                    let mut sponsored = true;
-                    if <FungibleTransferBasket<T>>::contains_key(collection_id, who.as_sub()) {
-                        let last_tx_block = <FungibleTransferBasket<T>>::get(collection_id, who.as_sub());
-                        let limit_time = last_tx_block + limit.into();
-                        if block_number <= limit_time {
-                            sponsored = false;
-                        }
-                    }
-                    if sponsored {
-                        <FungibleTransferBasket<T>>::insert(collection_id, who.as_sub(), block_number);
-                        return Ok(())
-                    }
-                },
-                _ => {},
-            }
-        },
-        _ => {},
-    }
-    return Err(AnyError)
+					let block_number = <frame_system::Pallet<T>>::block_number() as T::BlockNumber;
+					let mut sponsored = true;
+					if <FungibleTransferBasket<T>>::contains_key(collection_id, who.as_sub()) {
+						let last_tx_block =
+							<FungibleTransferBasket<T>>::get(collection_id, who.as_sub());
+						let limit_time = last_tx_block + limit.into();
+						if block_number <= limit_time {
+							sponsored = false;
+						}
+					}
+					if sponsored {
+						<FungibleTransferBasket<T>>::insert(
+							collection_id,
+							who.as_sub(),
+							block_number,
+						);
+						return Ok(());
+					}
+				}
+				_ => {}
+			}
+		}
+		_ => {}
+	}
+	Err(AnyError)
 }
 
 impl<T> pallet_evm::OnChargeEVMTransaction<T> for ChargeEvmTransaction
 where
-    T: Config,
-    T: pallet_evm::Config,
+	T: Config,
+	T: pallet_evm::Config,
 {
-    type LiquidityInfo = Option<ChargeEvmLiquidityInfo<T>>;
+	type LiquidityInfo = Option<ChargeEvmLiquidityInfo<T>>;
 
-    fn withdraw_fee(
-        who: &H160,
-        reason: WithdrawReason,
-        fee: U256,
-    ) -> Result<Self::LiquidityInfo, pallet_evm::Error<T>> {
-        let mut who_pays_fee = *who;
-        if let WithdrawReason::Call { target, input } = &reason {
-            if let Some(collection_id) = crate::eth::map_eth_to_id(&target) {
-                if let Some(collection) = <CollectionById<T>>::get(collection_id) {
-                    if let Some(sponsor) = collection.sponsorship.sponsor() {
-                        if try_sponsor(who, collection_id, &collection, &input).is_ok() {
-                            who_pays_fee =
-                                T::EvmBackwardsAddressMapping::from_account_id(sponsor.clone());
-                        }
-                    }
-                }
-            }
-        }
+	fn withdraw_fee(
+		who: &H160,
+		reason: WithdrawReason,
+		fee: U256,
+	) -> Result<Self::LiquidityInfo, pallet_evm::Error<T>> {
+		let mut who_pays_fee = *who;
+		if let WithdrawReason::Call { target, input } = &reason {
+			if let Some(collection_id) = crate::eth::map_eth_to_id(target) {
+				if let Some(collection) = <CollectionById<T>>::get(collection_id) {
+					if let Some(sponsor) = collection.sponsorship.sponsor() {
+						if try_sponsor(who, collection_id, &collection, input).is_ok() {
+							who_pays_fee =
+								T::EvmBackwardsAddressMapping::from_account_id(sponsor.clone());
+						}
+					}
+				}
+			}
+		}
 
-        // TODO: Pay fee from substrate address
-        let negative_imbalance = EVMCurrencyAdapter::<<T as Config>::Currency, ()>::withdraw_fee(
-            &who_pays_fee,
-            reason,
-            fee,
-        )?;
-        Ok(negative_imbalance.map(|i| ChargeEvmLiquidityInfo {
-            who: who_pays_fee,
-            negative_imbalance: i,
-        }))
-    }
+		// TODO: Pay fee from substrate address
+		let negative_imbalance = EVMCurrencyAdapter::<<T as Config>::Currency, ()>::withdraw_fee(
+			&who_pays_fee,
+			reason,
+			fee,
+		)?;
+		Ok(negative_imbalance.map(|i| ChargeEvmLiquidityInfo {
+			who: who_pays_fee,
+			negative_imbalance: i,
+		}))
+	}
 
-    fn correct_and_deposit_fee(
-        who: &H160,
-        corrected_fee: U256,
-        already_withdrawn: Self::LiquidityInfo,
-    ) -> Result<(), pallet_evm::Error<T>> {
-        EVMCurrencyAdapter::<<T as Config>::Currency, ()>::correct_and_deposit_fee(
-            &already_withdrawn.as_ref().map(|e| e.who).unwrap_or(*who),
-            corrected_fee,
-            already_withdrawn.map(|e| e.negative_imbalance),
-        )
-    }
+	fn correct_and_deposit_fee(
+		who: &H160,
+		corrected_fee: U256,
+		already_withdrawn: Self::LiquidityInfo,
+	) -> Result<(), pallet_evm::Error<T>> {
+		EVMCurrencyAdapter::<<T as Config>::Currency, ()>::correct_and_deposit_fee(
+			&already_withdrawn.as_ref().map(|e| e.who).unwrap_or(*who),
+			corrected_fee,
+			already_withdrawn.map(|e| e.negative_imbalance),
+		)
+	}
 }
modifiedpallets/nft/src/lib.rsdiffbeforeafterboth
--- a/pallets/nft/src/lib.rs
+++ b/pallets/nft/src/lib.rs
@@ -4,41 +4,44 @@
 //
 
 #![recursion_limit = "1024"]
-
 #![cfg_attr(not(feature = "std"), no_std)]
+#![allow(
+	clippy::too_many_arguments,
+	clippy::unnecessary_mut_passed,
+	clippy::unused_unit
+)]
 
 extern crate alloc;
 
 pub use serde::{Serialize, Deserialize};
 
 pub use frame_support::{
-    construct_runtime, decl_event, decl_module, decl_storage, decl_error,
-    dispatch::DispatchResult,
-    ensure, fail, parameter_types,
-    traits::{
-        Currency, ExistenceRequirement, Get, Imbalance, KeyOwnerProofSystem, OnUnbalanced,
-        Randomness, IsSubType, WithdrawReasons,
-    },
-    weights::{
-        constants::{BlockExecutionWeight, ExtrinsicBaseWeight, RocksDbWeight, WEIGHT_PER_SECOND},
-        DispatchInfo, GetDispatchInfo, IdentityFee, Pays, PostDispatchInfo, Weight,
-        WeightToFeePolynomial, DispatchClass,
-    },
-    StorageValue,
-    transactional,
+	construct_runtime, decl_event, decl_module, decl_storage, decl_error,
+	dispatch::DispatchResult,
+	ensure, fail, parameter_types,
+	traits::{
+		Currency, ExistenceRequirement, Get, Imbalance, KeyOwnerProofSystem, OnUnbalanced,
+		Randomness, IsSubType, WithdrawReasons,
+	},
+	weights::{
+		constants::{BlockExecutionWeight, ExtrinsicBaseWeight, RocksDbWeight, WEIGHT_PER_SECOND},
+		DispatchInfo, GetDispatchInfo, IdentityFee, Pays, PostDispatchInfo, Weight,
+		WeightToFeePolynomial, DispatchClass,
+	},
+	StorageValue, transactional,
 };
 
 use frame_system::{self as system, ensure_signed, ensure_root};
 use sp_core::H160;
+use sp_std::vec;
 use sp_runtime::sp_std::prelude::Vec;
 use core::ops::{Deref, DerefMut};
 use core::cell::RefCell;
 use nft_data_structs::{
-    MAX_DECIMAL_POINTS, MAX_SPONSOR_TIMEOUT, MAX_TOKEN_OWNERSHIP, MAX_REFUNGIBLE_PIECES,
-	AccessMode, ChainLimits, Collection, CreateItemData, CollectionLimits,
-    CollectionId, CollectionMode, TokenId, 
-    SchemaVersion, SponsorshipState, Ownership,
-    NftItemType, FungibleItemType, ReFungibleItemType
+	MAX_DECIMAL_POINTS, MAX_SPONSOR_TIMEOUT, MAX_TOKEN_OWNERSHIP, MAX_REFUNGIBLE_PIECES,
+	AccessMode, ChainLimits, Collection, CreateItemData, CollectionLimits, CollectionId,
+	CollectionMode, TokenId, SchemaVersion, SponsorshipState, Ownership, NftItemType,
+	FungibleItemType, ReFungibleItemType,
 };
 use pallet_ethereum::EthereumTransactionSender;
 
@@ -65,186 +68,186 @@
 	fn destroy_collection() -> Weight;
 	fn add_to_white_list() -> Weight;
 	fn remove_from_white_list() -> Weight;
-    fn set_public_access_mode() -> Weight;
-    fn set_mint_permission() -> Weight;
-    fn change_collection_owner() -> Weight;
-    fn add_collection_admin() -> Weight;
-    fn remove_collection_admin() -> Weight;
-    fn set_collection_sponsor() -> Weight;
-    fn confirm_sponsorship() -> Weight;
-    fn remove_collection_sponsor() -> Weight;
-    fn create_item(s: usize) -> Weight;
-    fn burn_item() -> Weight;
-    fn transfer() -> Weight;
-    fn approve() -> Weight;
-    fn transfer_from() -> Weight;
-    fn set_offchain_schema() -> Weight;
-    fn set_const_on_chain_schema() -> Weight;
-    fn set_variable_on_chain_schema() -> Weight;
-    fn set_variable_meta_data() -> Weight;
-    fn enable_contract_sponsoring() -> Weight;
-    fn set_schema_version() -> Weight;
-    fn set_chain_limits() -> Weight;
-    fn set_contract_sponsoring_rate_limit() -> Weight;
-    fn set_variable_meta_data_sponsoring_rate_limit() -> Weight;
-    fn toggle_contract_white_list() -> Weight;
-    fn add_to_contract_white_list() -> Weight;
-    fn remove_from_contract_white_list() -> Weight;
-    fn set_collection_limits() -> Weight;
+	fn set_public_access_mode() -> Weight;
+	fn set_mint_permission() -> Weight;
+	fn change_collection_owner() -> Weight;
+	fn add_collection_admin() -> Weight;
+	fn remove_collection_admin() -> Weight;
+	fn set_collection_sponsor() -> Weight;
+	fn confirm_sponsorship() -> Weight;
+	fn remove_collection_sponsor() -> Weight;
+	fn create_item(s: usize) -> Weight;
+	fn burn_item() -> Weight;
+	fn transfer() -> Weight;
+	fn approve() -> Weight;
+	fn transfer_from() -> Weight;
+	fn set_offchain_schema() -> Weight;
+	fn set_const_on_chain_schema() -> Weight;
+	fn set_variable_on_chain_schema() -> Weight;
+	fn set_variable_meta_data() -> Weight;
+	fn enable_contract_sponsoring() -> Weight;
+	fn set_schema_version() -> Weight;
+	fn set_chain_limits() -> Weight;
+	fn set_contract_sponsoring_rate_limit() -> Weight;
+	fn set_variable_meta_data_sponsoring_rate_limit() -> Weight;
+	fn toggle_contract_white_list() -> Weight;
+	fn add_to_contract_white_list() -> Weight;
+	fn remove_from_contract_white_list() -> Weight;
+	fn set_collection_limits() -> Weight;
 }
 
 decl_error! {
 	/// Error for non-fungible-token module.
 	pub enum Error for Module<T: Config> {
-        /// Total collections bound exceeded.
-        TotalCollectionsLimitExceeded,
+		/// Total collections bound exceeded.
+		TotalCollectionsLimitExceeded,
 		/// Decimal_points parameter must be lower than MAX_DECIMAL_POINTS constant, currently it is 30.
-        CollectionDecimalPointLimitExceeded, 
-        /// Collection name can not be longer than 63 char.
-        CollectionNameLimitExceeded, 
-        /// Collection description can not be longer than 255 char.
-        CollectionDescriptionLimitExceeded, 
-        /// Token prefix can not be longer than 15 char.
-        CollectionTokenPrefixLimitExceeded,
-        /// This collection does not exist.
-        CollectionNotFound,
-        /// Item not exists.
-        TokenNotFound,
-        /// Admin not found
-        AdminNotFound,
-        /// Arithmetic calculation overflow.
-        NumOverflow,       
-        /// Account already has admin role.
-        AlreadyAdmin,  
-        /// You do not own this collection.
-        NoPermission,
-        /// This address is not set as sponsor, use setCollectionSponsor first.
-        ConfirmUnsetSponsorFail,
-        /// Collection is not in mint mode.
-        PublicMintingNotAllowed,
-        /// Sender parameter and item owner must be equal.
-        MustBeTokenOwner,
-        /// Item balance not enough.
-        TokenValueTooLow,
-        /// Size of item is too large.
-        NftSizeLimitExceeded,
-        /// No approve found
-        ApproveNotFound,
-        /// Requested value more than approved.
-        TokenValueNotEnough,
-        /// Only approved addresses can call this method.
-        ApproveRequired,
-        /// Address is not in white list.
-        AddresNotInWhiteList,
-        /// Number of collection admins bound exceeded.
-        CollectionAdminsLimitExceeded,
-        /// Owned tokens by a single address bound exceeded.
-        AddressOwnershipLimitExceeded,
-        /// Length of items properties must be greater than 0.
-        EmptyArgument,
-        /// const_data exceeded data limit.
-        TokenConstDataLimitExceeded,
-        /// variable_data exceeded data limit.
-        TokenVariableDataLimitExceeded,
-        /// Not NFT item data used to mint in NFT collection.
-        NotNftDataUsedToMintNftCollectionToken,
-        /// Not Fungible item data used to mint in Fungible collection.
-        NotFungibleDataUsedToMintFungibleCollectionToken,
-        /// Not Re Fungible item data used to mint in Re Fungible collection.
-        NotReFungibleDataUsedToMintReFungibleCollectionToken,
-        /// Unexpected collection type.
-        UnexpectedCollectionType,
-        /// Can't store metadata in fungible tokens.
-        CantStoreMetadataInFungibleTokens,
-        /// Collection token limit exceeded
-        CollectionTokenLimitExceeded,
-        /// Account token limit exceeded per collection
-        AccountTokenLimitExceeded,
-        /// Collection limit bounds per collection exceeded
-        CollectionLimitBoundsExceeded,
-        /// Tried to enable permissions which are only permitted to be disabled
-        OwnerPermissionsCantBeReverted,
-        /// Schema data size limit bound exceeded
-        SchemaDataLimitExceeded,
-        /// Maximum refungibility exceeded
-        WrongRefungiblePieces,
-        /// createRefungible should be called with one owner
-        BadCreateRefungibleCall,
-        /// Gas limit exceeded
-        OutOfGas,
+		CollectionDecimalPointLimitExceeded,
+		/// Collection name can not be longer than 63 char.
+		CollectionNameLimitExceeded,
+		/// Collection description can not be longer than 255 char.
+		CollectionDescriptionLimitExceeded,
+		/// Token prefix can not be longer than 15 char.
+		CollectionTokenPrefixLimitExceeded,
+		/// This collection does not exist.
+		CollectionNotFound,
+		/// Item not exists.
+		TokenNotFound,
+		/// Admin not found
+		AdminNotFound,
+		/// Arithmetic calculation overflow.
+		NumOverflow,
+		/// Account already has admin role.
+		AlreadyAdmin,
+		/// You do not own this collection.
+		NoPermission,
+		/// This address is not set as sponsor, use setCollectionSponsor first.
+		ConfirmUnsetSponsorFail,
+		/// Collection is not in mint mode.
+		PublicMintingNotAllowed,
+		/// Sender parameter and item owner must be equal.
+		MustBeTokenOwner,
+		/// Item balance not enough.
+		TokenValueTooLow,
+		/// Size of item is too large.
+		NftSizeLimitExceeded,
+		/// No approve found
+		ApproveNotFound,
+		/// Requested value more than approved.
+		TokenValueNotEnough,
+		/// Only approved addresses can call this method.
+		ApproveRequired,
+		/// Address is not in white list.
+		AddresNotInWhiteList,
+		/// Number of collection admins bound exceeded.
+		CollectionAdminsLimitExceeded,
+		/// Owned tokens by a single address bound exceeded.
+		AddressOwnershipLimitExceeded,
+		/// Length of items properties must be greater than 0.
+		EmptyArgument,
+		/// const_data exceeded data limit.
+		TokenConstDataLimitExceeded,
+		/// variable_data exceeded data limit.
+		TokenVariableDataLimitExceeded,
+		/// Not NFT item data used to mint in NFT collection.
+		NotNftDataUsedToMintNftCollectionToken,
+		/// Not Fungible item data used to mint in Fungible collection.
+		NotFungibleDataUsedToMintFungibleCollectionToken,
+		/// Not Re Fungible item data used to mint in Re Fungible collection.
+		NotReFungibleDataUsedToMintReFungibleCollectionToken,
+		/// Unexpected collection type.
+		UnexpectedCollectionType,
+		/// Can't store metadata in fungible tokens.
+		CantStoreMetadataInFungibleTokens,
+		/// Collection token limit exceeded
+		CollectionTokenLimitExceeded,
+		/// Account token limit exceeded per collection
+		AccountTokenLimitExceeded,
+		/// Collection limit bounds per collection exceeded
+		CollectionLimitBoundsExceeded,
+		/// Tried to enable permissions which are only permitted to be disabled
+		OwnerPermissionsCantBeReverted,
+		/// Schema data size limit bound exceeded
+		SchemaDataLimitExceeded,
+		/// Maximum refungibility exceeded
+		WrongRefungiblePieces,
+		/// createRefungible should be called with one owner
+		BadCreateRefungibleCall,
+		/// Gas limit exceeded
+		OutOfGas,
 	}
 }
 
 pub struct CollectionHandle<T: Config> {
-    pub id: CollectionId,
-    collection: Collection<T>,
-    logs: eth::log::LogRecorder,
-    evm_address: H160,
-    gas_limit: RefCell<u64>,
+	pub id: CollectionId,
+	collection: Collection<T>,
+	logs: eth::log::LogRecorder,
+	evm_address: H160,
+	gas_limit: RefCell<u64>,
 }
 impl<T: Config> CollectionHandle<T> {
 	pub fn get_with_gas_limit(id: CollectionId, gas_limit: u64) -> Option<Self> {
-		<CollectionById<T>>::get(id)
-			.map(|collection| Self {
-				id,
-				collection,
-                logs: eth::log::LogRecorder::default(),
-                evm_address: eth::collection_id_to_address(id),
-                gas_limit: RefCell::new(gas_limit),
-			})
+		<CollectionById<T>>::get(id).map(|collection| Self {
+			id,
+			collection,
+			logs: eth::log::LogRecorder::default(),
+			evm_address: eth::collection_id_to_address(id),
+			gas_limit: RefCell::new(gas_limit),
+		})
+	}
+	pub fn get(id: CollectionId) -> Option<Self> {
+		Self::get_with_gas_limit(id, u64::MAX)
+	}
+	pub fn gas_left(&self) -> u64 {
+		*self.gas_limit.borrow()
+	}
+	pub fn consume_gas(&self, gas: u64) -> DispatchResult {
+		let mut gas_limit = self.gas_limit.borrow_mut();
+		if *gas_limit < gas {
+			fail!(Error::<T>::OutOfGas);
+		}
+		*gas_limit -= gas;
+		Ok(())
+	}
+	pub fn log(&self, log: impl evm_coder::ToLog) {
+		self.logs.log(log.to_log(self.evm_address))
+	}
+	pub fn into_inner(self) -> Collection<T> {
+		self.collection
 	}
-    pub fn get(id: CollectionId) -> Option<Self> {
-        Self::get_with_gas_limit(id, u64::MAX)
-    }
-    pub fn gas_left(&self) -> u64 {
-        *self.gas_limit.borrow()
-    }
-    pub fn consume_gas(&self, gas: u64) -> DispatchResult {
-        let mut gas_limit = self.gas_limit.borrow_mut();
-        if *gas_limit < gas {
-            fail!(Error::<T>::OutOfGas);
-        }
-        *gas_limit -= gas;
-        Ok(())
-    }
-    pub fn log(&self, log: impl evm_coder::ToLog) {
-        self.logs.log(log.to_log(self.evm_address))
-    }
-    pub fn into_inner(self) -> Collection<T> {
-        self.collection.clone()
-    }
 }
 impl<T: Config> Deref for CollectionHandle<T> {
-    type Target = Collection<T>;
+	type Target = Collection<T>;
 
-    fn deref(&self) -> &Self::Target {
-        &self.collection
-    }
+	fn deref(&self) -> &Self::Target {
+		&self.collection
+	}
 }
 
 impl<T: Config> DerefMut for CollectionHandle<T> {
-    fn deref_mut(&mut self) -> &mut Self::Target {
-        &mut self.collection
-    }
+	fn deref_mut(&mut self) -> &mut Self::Target {
+		&mut self.collection
+	}
 }
 
 pub trait Config: system::Config + Sized {
-    type Event: From<Event<Self>> + Into<<Self as system::Config>::Event>;
+	type Event: From<Event<Self>> + Into<<Self as system::Config>::Event>;
 
-    /// Weight information for extrinsics in this pallet.
+	/// Weight information for extrinsics in this pallet.
 	type WeightInfo: WeightInfo;
 
-    type EvmAddressMapping: pallet_evm::AddressMapping<Self::AccountId>;
-    type EvmBackwardsAddressMapping: EvmBackwardsAddressMapping<Self::AccountId>;
-    type EvmWithdrawOrigin: pallet_evm::EnsureAddressOrigin<Self::Origin, Success = Self::AccountId>;
+	type EvmAddressMapping: pallet_evm::AddressMapping<Self::AccountId>;
+	type EvmBackwardsAddressMapping: EvmBackwardsAddressMapping<Self::AccountId>;
 
 	type CrossAccountId: CrossAccountId<Self::AccountId>;
-    type Currency: Currency<Self::AccountId>;
-    type CollectionCreationPrice: Get<<<Self as Config>::Currency as Currency<Self::AccountId>>::Balance>;
-    type TreasuryAccountId: Get<Self::AccountId>;
+	type Currency: Currency<Self::AccountId>;
+	type CollectionCreationPrice: Get<
+		<<Self as Config>::Currency as Currency<Self::AccountId>>::Balance,
+	>;
+	type TreasuryAccountId: Get<Self::AccountId>;
 
-    type EthereumChainId: Get<u64>;
-    type EthereumTransactionSender: pallet_ethereum::EthereumTransactionSender;
+	type EthereumChainId: Get<u64>;
+	type EthereumTransactionSender: pallet_ethereum::EthereumTransactionSender;
 }
 
 // # Used definitions
@@ -270,1094 +273,1128 @@
 // ?3 - real -> controlled
 //      no confirmation required, so addresses can be easily generated
 decl_storage! {
-    trait Store for Module<T: Config> as Nft {
+	trait Store for Module<T: Config> as Nft {
 
-        //#region Private members
-        /// Id of next collection
-        CreatedCollectionCount: u32;
-        /// Used for migrations
-        ChainVersion: u64;
-        /// Id of last collection token
-        /// Collection id (controlled?1)
-        ItemListIndex: map hasher(blake2_128_concat) CollectionId => TokenId;
-        //#endregion
+		//#region Private members
+		/// Id of next collection
+		CreatedCollectionCount: u32;
+		/// Used for migrations
+		ChainVersion: u64;
+		/// Id of last collection token
+		/// Collection id (controlled?1)
+		ItemListIndex: map hasher(blake2_128_concat) CollectionId => TokenId;
+		//#endregion
 
-        //#region Chain limits struct
-        pub ChainLimit get(fn chain_limit) config(): ChainLimits;
-        //#endregion
+		//#region Chain limits struct
+		pub ChainLimit get(fn chain_limit) config(): ChainLimits;
+		//#endregion
 
-        //#region Bound counters
-        /// Amount of collections destroyed, used for total amount tracking with
-        /// CreatedCollectionCount
-        DestroyedCollectionCount: u32;
-        /// Total amount of account owned tokens (NFTs + RFTs + unique fungibles)
-        /// Account id (real)
-        pub AccountItemCount get(fn account_item_count): map hasher(twox_64_concat) T::AccountId => u32;
-        //#endregion
+		//#region Bound counters
+		/// Amount of collections destroyed, used for total amount tracking with
+		/// CreatedCollectionCount
+		DestroyedCollectionCount: u32;
+		/// Total amount of account owned tokens (NFTs + RFTs + unique fungibles)
+		/// Account id (real)
+		pub AccountItemCount get(fn account_item_count): map hasher(twox_64_concat) T::AccountId => u32;
+		//#endregion
 
-        //#region Basic collections
-        /// Collection info
-        /// Collection id (controlled?1)
-        pub CollectionById get(fn collection_id) config(): map hasher(blake2_128_concat) CollectionId => Option<Collection<T>> = None;
-        /// List of collection admins
-        /// Collection id (controlled?2)
-        pub AdminList get(fn admin_list_collection): map hasher(blake2_128_concat) CollectionId => Vec<T::CrossAccountId>;
-        /// Whitelisted collection users
-        /// Collection id (controlled?2), user id (controlled?3)
-        pub WhiteList get(fn white_list): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) T::AccountId => bool;
-        //#endregion
+		//#region Basic collections
+		/// Collection info
+		/// Collection id (controlled?1)
+		pub CollectionById get(fn collection_id) config(): map hasher(blake2_128_concat) CollectionId => Option<Collection<T>> = None;
+		/// List of collection admins
+		/// Collection id (controlled?2)
+		pub AdminList get(fn admin_list_collection): map hasher(blake2_128_concat) CollectionId => Vec<T::CrossAccountId>;
+		/// Whitelisted collection users
+		/// Collection id (controlled?2), user id (controlled?3)
+		pub WhiteList get(fn white_list): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) T::AccountId => bool;
+		//#endregion
 
-        /// How many of collection items user have
-        /// Collection id (controlled?2), account id (real)
-        pub Balance get(fn balance_count): double_map hasher(blake2_128_concat) CollectionId, hasher(twox_64_concat) T::AccountId => u128;
+		/// How many of collection items user have
+		/// Collection id (controlled?2), account id (real)
+		pub Balance get(fn balance_count): double_map hasher(blake2_128_concat) CollectionId, hasher(twox_64_concat) T::AccountId => u128;
 
-        /// Amount of items which spender can transfer out of owners account (via transferFrom)
-        /// Collection id (controlled?2), (token id (controlled ?2) + owner account id (real) + spender account id (controlled?3))
-        /// TODO: Off chain worker should remove from this map when token gets removed
-        pub Allowances get(fn approved): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) (TokenId, T::AccountId, T::AccountId) => u128;
+		/// Amount of items which spender can transfer out of owners account (via transferFrom)
+		/// Collection id (controlled?2), (token id (controlled ?2) + owner account id (real) + spender account id (controlled?3))
+		/// TODO: Off chain worker should remove from this map when token gets removed
+		pub Allowances get(fn approved): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) (TokenId, T::AccountId, T::AccountId) => u128;
 
-        //#region Item collections
-        /// Collection id (controlled?2), token id (controlled?1)
-        pub NftItemList get(fn nft_item_id) config(): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId => Option<NftItemType<T::CrossAccountId>>;
-        /// Collection id (controlled?2), owner (controlled?2)
-        pub FungibleItemList get(fn fungible_item_id) config(): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) T::AccountId => FungibleItemType;
-        /// Collection id (controlled?2), token id (controlled?1)
-        pub ReFungibleItemList get(fn refungible_item_id) config(): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId => Option<ReFungibleItemType<T::CrossAccountId>>;
-        //#endregion
+		//#region Item collections
+		/// Collection id (controlled?2), token id (controlled?1)
+		pub NftItemList get(fn nft_item_id) config(): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId => Option<NftItemType<T::CrossAccountId>>;
+		/// Collection id (controlled?2), owner (controlled?2)
+		pub FungibleItemList get(fn fungible_item_id) config(): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) T::AccountId => FungibleItemType;
+		/// Collection id (controlled?2), token id (controlled?1)
+		pub ReFungibleItemList get(fn refungible_item_id) config(): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId => Option<ReFungibleItemType<T::CrossAccountId>>;
+		//#endregion
 
-        //#region Index list
-        /// Collection id (controlled?2), tokens owner (controlled?2)
-        pub AddressTokens get(fn address_tokens): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) T::AccountId => Vec<TokenId>;
-        //#endregion
+		//#region Index list
+		/// Collection id (controlled?2), tokens owner (controlled?2)
+		pub AddressTokens get(fn address_tokens): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) T::AccountId => Vec<TokenId>;
+		//#endregion
 
-        //#region Tokens transfer rate limit baskets
-        /// (Collection id (controlled?2), who created (real))
-        /// TODO: Off chain worker should remove from this map when collection gets removed
-        pub CreateItemBasket get(fn create_item_basket): map hasher(blake2_128_concat) (CollectionId, T::AccountId) => T::BlockNumber;
-        /// Collection id (controlled?2), token id (controlled?2)
-        pub NftTransferBasket get(fn nft_transfer_basket): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId => T::BlockNumber;
-        /// Collection id (controlled?2), owning user (real)
-        pub FungibleTransferBasket get(fn fungible_transfer_basket): double_map hasher(blake2_128_concat) CollectionId, hasher(twox_64_concat) T::AccountId => T::BlockNumber;
-        /// Collection id (controlled?2), token id (controlled?2)
-        pub ReFungibleTransferBasket get(fn refungible_transfer_basket): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId => T::BlockNumber;
-        //#endregion
+		//#region Tokens transfer rate limit baskets
+		/// (Collection id (controlled?2), who created (real))
+		/// TODO: Off chain worker should remove from this map when collection gets removed
+		pub CreateItemBasket get(fn create_item_basket): map hasher(blake2_128_concat) (CollectionId, T::AccountId) => T::BlockNumber;
+		/// Collection id (controlled?2), token id (controlled?2)
+		pub NftTransferBasket get(fn nft_transfer_basket): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId => T::BlockNumber;
+		/// Collection id (controlled?2), owning user (real)
+		pub FungibleTransferBasket get(fn fungible_transfer_basket): double_map hasher(blake2_128_concat) CollectionId, hasher(twox_64_concat) T::AccountId => T::BlockNumber;
+		/// Collection id (controlled?2), token id (controlled?2)
+		pub ReFungibleTransferBasket get(fn refungible_transfer_basket): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId => T::BlockNumber;
+		//#endregion
 
-        /// Variable metadata sponsoring
-        /// Collection id (controlled?2), token id (controlled?2)
-        pub VariableMetaDataBasket get(fn variable_meta_data_basket): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId => Option<T::BlockNumber> = None;
-    }
-    add_extra_genesis {
-        build(|config: &GenesisConfig<T>| {
-            // Modification of storage
-            for (_num, _c) in &config.collection_id {
-                <Module<T>>::init_collection(_c);
-            }
+		/// Variable metadata sponsoring
+		/// Collection id (controlled?2), token id (controlled?2)
+		pub VariableMetaDataBasket get(fn variable_meta_data_basket): double_map hasher(blake2_128_concat) CollectionId, hasher(blake2_128_concat) TokenId => Option<T::BlockNumber> = None;
+	}
+	add_extra_genesis {
+		build(|config: &GenesisConfig<T>| {
+			// Modification of storage
+			for (_num, _c) in &config.collection_id {
+				<Module<T>>::init_collection(_c);
+			}
 
-            for (_num, _c, _i) in &config.nft_item_id {
-                <Module<T>>::init_nft_token(*_c, _i);
-            }
+			for (_num, _c, _i) in &config.nft_item_id {
+				<Module<T>>::init_nft_token(*_c, _i);
+			}
 
-            for (collection_id, account_id, fungible_item) in &config.fungible_item_id {
-                <Module<T>>::init_fungible_token(*collection_id, &T::CrossAccountId::from_sub(account_id.clone()), fungible_item);
-            }
+			for (collection_id, account_id, fungible_item) in &config.fungible_item_id {
+				<Module<T>>::init_fungible_token(*collection_id, &T::CrossAccountId::from_sub(account_id.clone()), fungible_item);
+			}
 
-            for (_num, _c, _i) in &config.refungible_item_id {
-                <Module<T>>::init_refungible_token(*_c, _i);
-            }
-        })
-    }
+			for (_num, _c, _i) in &config.refungible_item_id {
+				<Module<T>>::init_refungible_token(*_c, _i);
+			}
+		})
+	}
 }
 
 decl_event!(
-    pub enum Event<T>
-    where
-        AccountId = <T as frame_system::Config>::AccountId,
-        CrossAccountId = <T as Config>::CrossAccountId,
-    {
-        /// New collection was created
-        /// 
-        /// # Arguments
-        /// 
-        /// * collection_id: Globally unique identifier of newly created collection.
-        /// 
-        /// * mode: [CollectionMode] converted into u8.
-        /// 
-        /// * account_id: Collection owner.
-        CollectionCreated(CollectionId, u8, AccountId),
+	pub enum Event<T>
+	where
+		AccountId = <T as frame_system::Config>::AccountId,
+		CrossAccountId = <T as Config>::CrossAccountId,
+	{
+		/// New collection was created
+		///
+		/// # Arguments
+		///
+		/// * collection_id: Globally unique identifier of newly created collection.
+		///
+		/// * mode: [CollectionMode] converted into u8.
+		///
+		/// * account_id: Collection owner.
+		CollectionCreated(CollectionId, u8, AccountId),
 
-        /// New item was created.
-        /// 
-        /// # Arguments
-        /// 
-        /// * collection_id: Id of the collection where item was created.
-        /// 
-        /// * item_id: Id of an item. Unique within the collection.
-        ///
-        /// * recipient: Owner of newly created item 
-        ItemCreated(CollectionId, TokenId, CrossAccountId),
+		/// New item was created.
+		///
+		/// # Arguments
+		///
+		/// * collection_id: Id of the collection where item was created.
+		///
+		/// * item_id: Id of an item. Unique within the collection.
+		///
+		/// * recipient: Owner of newly created item
+		ItemCreated(CollectionId, TokenId, CrossAccountId),
 
-        /// Collection item was burned.
-        /// 
-        /// # Arguments
-        /// 
-        /// collection_id.
-        /// 
-        /// item_id: Identifier of burned NFT.
-        ItemDestroyed(CollectionId, TokenId),
+		/// Collection item was burned.
+		///
+		/// # Arguments
+		///
+		/// collection_id.
+		///
+		/// item_id: Identifier of burned NFT.
+		ItemDestroyed(CollectionId, TokenId),
 
-        /// Item was transferred
-        ///
-        /// * collection_id: Id of collection to which item is belong
-        ///
-        /// * item_id: Id of an item
-        ///
-        /// * sender: Original owner of item
-        ///
-        /// * recipient: New owner of item
-        ///
-        /// * amount: Always 1 for NFT
-        Transfer(CollectionId, TokenId, CrossAccountId, CrossAccountId, u128),
+		/// Item was transferred
+		///
+		/// * collection_id: Id of collection to which item is belong
+		///
+		/// * item_id: Id of an item
+		///
+		/// * sender: Original owner of item
+		///
+		/// * recipient: New owner of item
+		///
+		/// * amount: Always 1 for NFT
+		Transfer(CollectionId, TokenId, CrossAccountId, CrossAccountId, u128),
 
-        /// * collection_id
-        ///
-        /// * item_id
-        ///
-        /// * sender
-        ///
-        /// * spender
-        ///
-        /// * amount
-        Approved(CollectionId, TokenId, CrossAccountId, CrossAccountId, u128),
-    }
+		/// * collection_id
+		///
+		/// * item_id
+		///
+		/// * sender
+		///
+		/// * spender
+		///
+		/// * amount
+		Approved(CollectionId, TokenId, CrossAccountId, CrossAccountId, u128),
+	}
 );
 
 decl_module! {
-    pub struct Module<T: Config> for enum Call 
-    where 
-        origin: T::Origin
-    {
-        fn deposit_event() = default;
-        type Error = Error<T>;
+	pub struct Module<T: Config> for enum Call
+	where
+		origin: T::Origin
+	{
+		fn deposit_event() = default;
+		type Error = Error<T>;
 
-        fn on_initialize(_now: T::BlockNumber) -> Weight {
-            0
-        }
+		fn on_initialize(_now: T::BlockNumber) -> Weight {
+			0
+		}
 
-        /// This method creates a Collection of NFTs. Each Token may have multiple properties encoded as an array of bytes of certain length. The initial owner and admin of the collection are set to the address that signed the transaction. Both addresses can be changed later.
-        /// 
-        /// # Permissions
-        /// 
-        /// * Anyone.
-        /// 
-        /// # Arguments
-        /// 
-        /// * collection_name: UTF-16 string with collection name (limit 64 characters), will be stored as zero-terminated.
-        /// 
-        /// * collection_description: UTF-16 string with collection description (limit 256 characters), will be stored as zero-terminated.
-        /// 
-        /// * token_prefix: UTF-8 string with token prefix.
-        /// 
-        /// * mode: [CollectionMode] collection type and type dependent data.
-        // returns collection ID
-        #[weight = <T as Config>::WeightInfo::create_collection()]
-        #[transactional]
-        pub fn create_collection(origin,
-                                 collection_name: Vec<u16>,
-                                 collection_description: Vec<u16>,
-                                 token_prefix: Vec<u8>,
-                                 mode: CollectionMode) -> DispatchResult {
+		/// This method creates a Collection of NFTs. Each Token may have multiple properties encoded as an array of bytes of certain length. The initial owner and admin of the collection are set to the address that signed the transaction. Both addresses can be changed later.
+		///
+		/// # Permissions
+		///
+		/// * Anyone.
+		///
+		/// # Arguments
+		///
+		/// * collection_name: UTF-16 string with collection name (limit 64 characters), will be stored as zero-terminated.
+		///
+		/// * collection_description: UTF-16 string with collection description (limit 256 characters), will be stored as zero-terminated.
+		///
+		/// * token_prefix: UTF-8 string with token prefix.
+		///
+		/// * mode: [CollectionMode] collection type and type dependent data.
+		// returns collection ID
+		#[weight = <T as Config>::WeightInfo::create_collection()]
+		#[transactional]
+		pub fn create_collection(origin,
+								 collection_name: Vec<u16>,
+								 collection_description: Vec<u16>,
+								 token_prefix: Vec<u8>,
+								 mode: CollectionMode) -> DispatchResult {
 
-            // Anyone can create a collection
-            let who = ensure_signed(origin)?;
+			// Anyone can create a collection
+			let who = ensure_signed(origin)?;
 
-            // Take a (non-refundable) deposit of collection creation
-            let mut imbalance = <<<T as Config>::Currency as Currency<T::AccountId>>::PositiveImbalance>::zero();
-            imbalance.subsume(<<T as Config>::Currency as Currency<T::AccountId>>::deposit_creating(
-                &T::TreasuryAccountId::get(),
-                T::CollectionCreationPrice::get(),
-            ));
-            <T as Config>::Currency::settle(
-                &who,
-                imbalance,
-                WithdrawReasons::TRANSFER,
-                ExistenceRequirement::KeepAlive,
-            ).map_err(|_| Error::<T>::NoPermission)?;
+			// Take a (non-refundable) deposit of collection creation
+			let mut imbalance = <<<T as Config>::Currency as Currency<T::AccountId>>::PositiveImbalance>::zero();
+			imbalance.subsume(<<T as Config>::Currency as Currency<T::AccountId>>::deposit_creating(
+				&T::TreasuryAccountId::get(),
+				T::CollectionCreationPrice::get(),
+			));
+			<T as Config>::Currency::settle(
+				&who,
+				imbalance,
+				WithdrawReasons::TRANSFER,
+				ExistenceRequirement::KeepAlive,
+			).map_err(|_| Error::<T>::NoPermission)?;
 
-            let decimal_points = match mode {
-                CollectionMode::Fungible(points) => points,
-                _ => 0
-            };
+			let decimal_points = match mode {
+				CollectionMode::Fungible(points) => points,
+				_ => 0
+			};
 
-            let chain_limit = ChainLimit::get();
+			let chain_limit = ChainLimit::get();
 
-            let created_count = CreatedCollectionCount::get();
-            let destroyed_count = DestroyedCollectionCount::get();
+			let created_count = CreatedCollectionCount::get();
+			let destroyed_count = DestroyedCollectionCount::get();
 
-            // bound Total number of collections
-            ensure!(created_count - destroyed_count < chain_limit.collection_numbers_limit, Error::<T>::TotalCollectionsLimitExceeded);
+			// bound Total number of collections
+			ensure!(created_count - destroyed_count < chain_limit.collection_numbers_limit, Error::<T>::TotalCollectionsLimitExceeded);
 
-            // check params
-            ensure!(decimal_points <= MAX_DECIMAL_POINTS, Error::<T>::CollectionDecimalPointLimitExceeded);
-            ensure!(collection_name.len() <= 64, Error::<T>::CollectionNameLimitExceeded);
-            ensure!(collection_description.len() <= 256, Error::<T>::CollectionDescriptionLimitExceeded);
-            ensure!(token_prefix.len() <= 16, Error::<T>::CollectionTokenPrefixLimitExceeded);
+			// check params
+			ensure!(decimal_points <= MAX_DECIMAL_POINTS, Error::<T>::CollectionDecimalPointLimitExceeded);
+			ensure!(collection_name.len() <= 64, Error::<T>::CollectionNameLimitExceeded);
+			ensure!(collection_description.len() <= 256, Error::<T>::CollectionDescriptionLimitExceeded);
+			ensure!(token_prefix.len() <= 16, Error::<T>::CollectionTokenPrefixLimitExceeded);
 
-            // Generate next collection ID
-            let next_id = created_count
-                .checked_add(1)
-                .ok_or(Error::<T>::NumOverflow)?;
+			// Generate next collection ID
+			let next_id = created_count
+				.checked_add(1)
+				.ok_or(Error::<T>::NumOverflow)?;
 
-            CreatedCollectionCount::put(next_id);
+			CreatedCollectionCount::put(next_id);
 
-            let limits = CollectionLimits {
-                sponsored_data_size: chain_limit.custom_data_limit,
-                ..Default::default()
-            };
+			let limits = CollectionLimits {
+				sponsored_data_size: chain_limit.custom_data_limit,
+				..Default::default()
+			};
 
-            // Create new collection
-            let new_collection = Collection {
-                owner: who.clone(),
-                name: collection_name,
-                mode: mode.clone(),
-                mint_mode: false,
-                access: AccessMode::Normal,
-                description: collection_description,
-                decimal_points: decimal_points,
-                token_prefix: token_prefix,
-                offchain_schema: Vec::new(),
-                schema_version: SchemaVersion::ImageURL,
-                sponsorship: SponsorshipState::Disabled,
-                variable_on_chain_schema: Vec::new(),
-                const_on_chain_schema: Vec::new(),
-                limits,
-            };
+			// Create new collection
+			let new_collection = Collection {
+				owner: who.clone(),
+				name: collection_name,
+				mode: mode.clone(),
+				mint_mode: false,
+				access: AccessMode::Normal,
+				description: collection_description,
+				decimal_points,
+				token_prefix,
+				offchain_schema: Vec::new(),
+				schema_version: SchemaVersion::ImageURL,
+				sponsorship: SponsorshipState::Disabled,
+				variable_on_chain_schema: Vec::new(),
+				const_on_chain_schema: Vec::new(),
+				limits,
+			};
 
-            // Add new collection to map
-            <CollectionById<T>>::insert(next_id, new_collection);
+			// Add new collection to map
+			<CollectionById<T>>::insert(next_id, new_collection);
 
-            // call event
-            Self::deposit_event(RawEvent::CollectionCreated(next_id, mode.into(), who));
+			// call event
+			Self::deposit_event(RawEvent::CollectionCreated(next_id, mode.id(), who));
 
-            Ok(())
-        }
+			Ok(())
+		}
 
-        /// **DANGEROUS**: Destroys collection and all NFTs within this collection. Users irrecoverably lose their assets and may lose real money.
-        /// 
-        /// # Permissions
-        /// 
-        /// * Collection Owner.
-        /// 
-        /// # Arguments
-        /// 
-        /// * collection_id: collection to destroy.
-        #[weight = <T as Config>::WeightInfo::destroy_collection()]
-        #[transactional]
-        pub fn destroy_collection(origin, collection_id: CollectionId) -> DispatchResult {
+		/// **DANGEROUS**: Destroys collection and all NFTs within this collection. Users irrecoverably lose their assets and may lose real money.
+		///
+		/// # Permissions
+		///
+		/// * Collection Owner.
+		///
+		/// # Arguments
+		///
+		/// * collection_id: collection to destroy.
+		#[weight = <T as Config>::WeightInfo::destroy_collection()]
+		#[transactional]
+		pub fn destroy_collection(origin, collection_id: CollectionId) -> DispatchResult {
 
-            let sender = ensure_signed(origin)?;
-            let collection = Self::get_collection(collection_id)?;
-            Self::check_owner_permissions(&collection, &sender)?;
-            if !collection.limits.owner_can_destroy {
-                fail!(Error::<T>::NoPermission);
-            }
+			let sender = ensure_signed(origin)?;
+			let collection = Self::get_collection(collection_id)?;
+			Self::check_owner_permissions(&collection, &sender)?;
+			if !collection.limits.owner_can_destroy {
+				fail!(Error::<T>::NoPermission);
+			}
 
-            <AddressTokens<T>>::remove_prefix(collection_id);
-            <Allowances<T>>::remove_prefix(collection_id);
-            <Balance<T>>::remove_prefix(collection_id);
-            <ItemListIndex>::remove(collection_id);
-            <AdminList<T>>::remove(collection_id);
-            <CollectionById<T>>::remove(collection_id);
-            <WhiteList<T>>::remove_prefix(collection_id);
+			<AddressTokens<T>>::remove_prefix(collection_id);
+			<Allowances<T>>::remove_prefix(collection_id);
+			<Balance<T>>::remove_prefix(collection_id);
+			<ItemListIndex>::remove(collection_id);
+			<AdminList<T>>::remove(collection_id);
+			<CollectionById<T>>::remove(collection_id);
+			<WhiteList<T>>::remove_prefix(collection_id);
 
-            <NftItemList<T>>::remove_prefix(collection_id);
-            <FungibleItemList<T>>::remove_prefix(collection_id);
-            <ReFungibleItemList<T>>::remove_prefix(collection_id);
+			<NftItemList<T>>::remove_prefix(collection_id);
+			<FungibleItemList<T>>::remove_prefix(collection_id);
+			<ReFungibleItemList<T>>::remove_prefix(collection_id);
 
-            <NftTransferBasket<T>>::remove_prefix(collection_id);
-            <FungibleTransferBasket<T>>::remove_prefix(collection_id);
-            <ReFungibleTransferBasket<T>>::remove_prefix(collection_id);
+			<NftTransferBasket<T>>::remove_prefix(collection_id);
+			<FungibleTransferBasket<T>>::remove_prefix(collection_id);
+			<ReFungibleTransferBasket<T>>::remove_prefix(collection_id);
 
-            <VariableMetaDataBasket<T>>::remove_prefix(collection_id);
+			<VariableMetaDataBasket<T>>::remove_prefix(collection_id);
 
-            DestroyedCollectionCount::put(DestroyedCollectionCount::get()
-                .checked_add(1)
-                .ok_or(Error::<T>::NumOverflow)?);
+			DestroyedCollectionCount::put(DestroyedCollectionCount::get()
+				.checked_add(1)
+				.ok_or(Error::<T>::NumOverflow)?);
 
-            Ok(())
-        }
+			Ok(())
+		}
 
-        /// Add an address to white list.
-        /// 
-        /// # Permissions
-        /// 
-        /// * Collection Owner
-        /// * Collection Admin
-        /// 
-        /// # Arguments
-        /// 
-        /// * collection_id.
-        /// 
-        /// * address.
-        #[weight = <T as Config>::WeightInfo::add_to_white_list()]
-        #[transactional]
-        pub fn add_to_white_list(origin, collection_id: CollectionId, address: T::CrossAccountId) -> DispatchResult{
+		/// Add an address to white list.
+		///
+		/// # Permissions
+		///
+		/// * Collection Owner
+		/// * Collection Admin
+		///
+		/// # Arguments
+		///
+		/// * collection_id.
+		///
+		/// * address.
+		#[weight = <T as Config>::WeightInfo::add_to_white_list()]
+		#[transactional]
+		pub fn add_to_white_list(origin, collection_id: CollectionId, address: T::CrossAccountId) -> DispatchResult{
 
-            let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
-            let collection = Self::get_collection(collection_id)?;
+			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
+			let collection = Self::get_collection(collection_id)?;
 
-            Self::toggle_white_list_internal(
-                &sender,
-                &collection,
-                &address,
-                true,
-            )?;
+			Self::toggle_white_list_internal(
+				&sender,
+				&collection,
+				&address,
+				true,
+			)?;
 
-            Ok(())
-        }
+			Ok(())
+		}
 
-        /// Remove an address from white list.
-        /// 
-        /// # Permissions
-        /// 
-        /// * Collection Owner
-        /// * Collection Admin
-        /// 
-        /// # Arguments
-        /// 
-        /// * collection_id.
-        /// 
-        /// * address.
-        #[weight = <T as Config>::WeightInfo::remove_from_white_list()]
-        #[transactional]
-        pub fn remove_from_white_list(origin, collection_id: CollectionId, address: T::CrossAccountId) -> DispatchResult{
+		/// Remove an address from white list.
+		///
+		/// # Permissions
+		///
+		/// * Collection Owner
+		/// * Collection Admin
+		///
+		/// # Arguments
+		///
+		/// * collection_id.
+		///
+		/// * address.
+		#[weight = <T as Config>::WeightInfo::remove_from_white_list()]
+		#[transactional]
+		pub fn remove_from_white_list(origin, collection_id: CollectionId, address: T::CrossAccountId) -> DispatchResult{
 
-            let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
-            let collection = Self::get_collection(collection_id)?;
+			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
+			let collection = Self::get_collection(collection_id)?;
 
-            Self::toggle_white_list_internal(
-                &sender,
-                &collection,
-                &address,
-                false,
-            )?;
+			Self::toggle_white_list_internal(
+				&sender,
+				&collection,
+				&address,
+				false,
+			)?;
 
-            Ok(())
-        }
+			Ok(())
+		}
 
-        /// Toggle between normal and white list access for the methods with access for `Anyone`.
-        /// 
-        /// # Permissions
-        /// 
-        /// * Collection Owner.
-        /// 
-        /// # Arguments
-        /// 
-        /// * collection_id.
-        /// 
-        /// * mode: [AccessMode]
-        #[weight = <T as Config>::WeightInfo::set_public_access_mode()]
-        #[transactional]
-        pub fn set_public_access_mode(origin, collection_id: CollectionId, mode: AccessMode) -> DispatchResult
-        {
-            let sender = ensure_signed(origin)?;
+		/// Toggle between normal and white list access for the methods with access for `Anyone`.
+		///
+		/// # Permissions
+		///
+		/// * Collection Owner.
+		///
+		/// # Arguments
+		///
+		/// * collection_id.
+		///
+		/// * mode: [AccessMode]
+		#[weight = <T as Config>::WeightInfo::set_public_access_mode()]
+		#[transactional]
+		pub fn set_public_access_mode(origin, collection_id: CollectionId, mode: AccessMode) -> DispatchResult
+		{
+			let sender = ensure_signed(origin)?;
 
-            let mut target_collection = Self::get_collection(collection_id)?;
-            Self::check_owner_permissions(&target_collection, &sender)?;
-            target_collection.access = mode;
-            Self::save_collection(target_collection);
+			let mut target_collection = Self::get_collection(collection_id)?;
+			Self::check_owner_permissions(&target_collection, &sender)?;
+			target_collection.access = mode;
+			Self::save_collection(target_collection);
 
-            Ok(())
-        }
+			Ok(())
+		}
 
-        /// Allows Anyone to create tokens if:
-        /// * White List is enabled, and
-        /// * Address is added to white list, and
-        /// * This method was called with True parameter
-        /// 
-        /// # Permissions
-        /// * Collection Owner
-        ///
-        /// # Arguments
-        /// 
-        /// * collection_id.
-        /// 
-        /// * mint_permission: Boolean parameter. If True, allows minting to Anyone with conditions above.
-        #[weight = <T as Config>::WeightInfo::set_mint_permission()]
-        #[transactional]
-        pub fn set_mint_permission(origin, collection_id: CollectionId, mint_permission: bool) -> DispatchResult
-        {
-            let sender = ensure_signed(origin)?;
+		/// Allows Anyone to create tokens if:
+		/// * White List is enabled, and
+		/// * Address is added to white list, and
+		/// * This method was called with True parameter
+		///
+		/// # Permissions
+		/// * Collection Owner
+		///
+		/// # Arguments
+		///
+		/// * collection_id.
+		///
+		/// * mint_permission: Boolean parameter. If True, allows minting to Anyone with conditions above.
+		#[weight = <T as Config>::WeightInfo::set_mint_permission()]
+		#[transactional]
+		pub fn set_mint_permission(origin, collection_id: CollectionId, mint_permission: bool) -> DispatchResult
+		{
+			let sender = ensure_signed(origin)?;
 
-            let mut target_collection = Self::get_collection(collection_id)?;
-            Self::check_owner_permissions(&target_collection, &sender)?;
-            target_collection.mint_mode = mint_permission;
-            Self::save_collection(target_collection);
+			let mut target_collection = Self::get_collection(collection_id)?;
+			Self::check_owner_permissions(&target_collection, &sender)?;
+			target_collection.mint_mode = mint_permission;
+			Self::save_collection(target_collection);
 
-            Ok(())
-        }
+			Ok(())
+		}
 
-        /// Change the owner of the collection.
-        /// 
-        /// # Permissions
-        /// 
-        /// * Collection Owner.
-        /// 
-        /// # Arguments
-        /// 
-        /// * collection_id.
-        /// 
-        /// * new_owner.
-        #[weight = <T as Config>::WeightInfo::change_collection_owner()]
-        #[transactional]
-        pub fn change_collection_owner(origin, collection_id: CollectionId, new_owner: T::AccountId) -> DispatchResult {
+		/// Change the owner of the collection.
+		///
+		/// # Permissions
+		///
+		/// * Collection Owner.
+		///
+		/// # Arguments
+		///
+		/// * collection_id.
+		///
+		/// * new_owner.
+		#[weight = <T as Config>::WeightInfo::change_collection_owner()]
+		#[transactional]
+		pub fn change_collection_owner(origin, collection_id: CollectionId, new_owner: T::AccountId) -> DispatchResult {
 
-            let sender = ensure_signed(origin)?;
-            let mut target_collection = Self::get_collection(collection_id)?;
-            Self::check_owner_permissions(&target_collection, &sender)?;
-            target_collection.owner = new_owner;
-            Self::save_collection(target_collection);
+			let sender = ensure_signed(origin)?;
+			let mut target_collection = Self::get_collection(collection_id)?;
+			Self::check_owner_permissions(&target_collection, &sender)?;
+			target_collection.owner = new_owner;
+			Self::save_collection(target_collection);
 
-            Ok(())
-        }
+			Ok(())
+		}
 
-        /// Adds an admin of the Collection.
-        /// NFT Collection can be controlled by multiple admin addresses (some which can also be servers, for example). Admins can issue and burn NFTs, as well as add and remove other admins, but cannot change NFT or Collection ownership. 
-        /// 
-        /// # Permissions
-        /// 
-        /// * Collection Owner.
-        /// * Collection Admin.
-        /// 
-        /// # Arguments
-        /// 
-        /// * collection_id: ID of the Collection to add admin for.
-        /// 
-        /// * new_admin_id: Address of new admin to add.
-        #[weight = <T as Config>::WeightInfo::add_collection_admin()]
-        #[transactional]
-        pub fn add_collection_admin(origin, collection_id: CollectionId, new_admin_id: T::CrossAccountId) -> DispatchResult {
-            let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
-            let collection = Self::get_collection(collection_id)?;
-            Self::check_owner_or_admin_permissions(&collection, &sender)?;
-            let mut admin_arr = <AdminList<T>>::get(collection_id);
+		/// Adds an admin of the Collection.
+		/// NFT Collection can be controlled by multiple admin addresses (some which can also be servers, for example). Admins can issue and burn NFTs, as well as add and remove other admins, but cannot change NFT or Collection ownership.
+		///
+		/// # Permissions
+		///
+		/// * Collection Owner.
+		/// * Collection Admin.
+		///
+		/// # Arguments
+		///
+		/// * collection_id: ID of the Collection to add admin for.
+		///
+		/// * new_admin_id: Address of new admin to add.
+		#[weight = <T as Config>::WeightInfo::add_collection_admin()]
+		#[transactional]
+		pub fn add_collection_admin(origin, collection_id: CollectionId, new_admin_id: T::CrossAccountId) -> DispatchResult {
+			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
+			let collection = Self::get_collection(collection_id)?;
+			Self::check_owner_or_admin_permissions(&collection, &sender)?;
+			let mut admin_arr = <AdminList<T>>::get(collection_id);
 
-            match admin_arr.binary_search(&new_admin_id) {
-                Ok(_) => {},
-                Err(idx) => {
-                    let limits = ChainLimit::get();
-                    ensure!(admin_arr.len() < limits.collections_admins_limit as usize, Error::<T>::CollectionAdminsLimitExceeded);
-                    admin_arr.insert(idx, new_admin_id);
-                    <AdminList<T>>::insert(collection_id, admin_arr);
-                }
-            }
-            Ok(())
-        }
+			match admin_arr.binary_search(&new_admin_id) {
+				Ok(_) => {},
+				Err(idx) => {
+					let limits = ChainLimit::get();
+					ensure!(admin_arr.len() < limits.collections_admins_limit as usize, Error::<T>::CollectionAdminsLimitExceeded);
+					admin_arr.insert(idx, new_admin_id);
+					<AdminList<T>>::insert(collection_id, admin_arr);
+				}
+			}
+			Ok(())
+		}
 
-        /// Remove admin address of the Collection. An admin address can remove itself. List of admins may become empty, in which case only Collection Owner will be able to add an Admin.
-        ///
-        /// # Permissions
-        /// 
-        /// * Collection Owner.
-        /// * Collection Admin.
-        /// 
-        /// # Arguments
-        /// 
-        /// * collection_id: ID of the Collection to remove admin for.
-        /// 
-        /// * account_id: Address of admin to remove.
-        #[weight = <T as Config>::WeightInfo::remove_collection_admin()]
-        #[transactional]
-        pub fn remove_collection_admin(origin, collection_id: CollectionId, account_id: T::CrossAccountId) -> DispatchResult {
-            let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
-            let collection = Self::get_collection(collection_id)?;
-            Self::check_owner_or_admin_permissions(&collection, &sender)?;
-            let mut admin_arr = <AdminList<T>>::get(collection_id);
+		/// Remove admin address of the Collection. An admin address can remove itself. List of admins may become empty, in which case only Collection Owner will be able to add an Admin.
+		///
+		/// # Permissions
+		///
+		/// * Collection Owner.
+		/// * Collection Admin.
+		///
+		/// # Arguments
+		///
+		/// * collection_id: ID of the Collection to remove admin for.
+		///
+		/// * account_id: Address of admin to remove.
+		#[weight = <T as Config>::WeightInfo::remove_collection_admin()]
+		#[transactional]
+		pub fn remove_collection_admin(origin, collection_id: CollectionId, account_id: T::CrossAccountId) -> DispatchResult {
+			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
+			let collection = Self::get_collection(collection_id)?;
+			Self::check_owner_or_admin_permissions(&collection, &sender)?;
+			let mut admin_arr = <AdminList<T>>::get(collection_id);
 
-            match admin_arr.binary_search(&account_id) {
-                Ok(idx) => {
-                    admin_arr.remove(idx);
-                    <AdminList<T>>::insert(collection_id, admin_arr);
-                },
-                Err(_) => {}
-            }
-            Ok(())
-        }
+			if let Ok(idx) = admin_arr.binary_search(&account_id) {
+				admin_arr.remove(idx);
+				<AdminList<T>>::insert(collection_id, admin_arr);
+			}
+			Ok(())
+		}
 
-        /// # Permissions
-        /// 
-        /// * Collection Owner
-        /// 
-        /// # Arguments
-        /// 
-        /// * collection_id.
-        /// 
-        /// * new_sponsor.
-        #[weight = <T as Config>::WeightInfo::set_collection_sponsor()]
-        #[transactional]
-        pub fn set_collection_sponsor(origin, collection_id: CollectionId, new_sponsor: T::AccountId) -> DispatchResult {
-            let sender = ensure_signed(origin)?;
-            let mut target_collection = Self::get_collection(collection_id)?;
-            Self::check_owner_permissions(&target_collection, &sender)?;
+		/// # Permissions
+		///
+		/// * Collection Owner
+		///
+		/// # Arguments
+		///
+		/// * collection_id.
+		///
+		/// * new_sponsor.
+		#[weight = <T as Config>::WeightInfo::set_collection_sponsor()]
+		#[transactional]
+		pub fn set_collection_sponsor(origin, collection_id: CollectionId, new_sponsor: T::AccountId) -> DispatchResult {
+			let sender = ensure_signed(origin)?;
+			let mut target_collection = Self::get_collection(collection_id)?;
+			Self::check_owner_permissions(&target_collection, &sender)?;
 
-            target_collection.sponsorship = SponsorshipState::Unconfirmed(new_sponsor);
-            Self::save_collection(target_collection);
+			target_collection.sponsorship = SponsorshipState::Unconfirmed(new_sponsor);
+			Self::save_collection(target_collection);
 
-            Ok(())
-        }
+			Ok(())
+		}
 
-        /// # Permissions
-        /// 
-        /// * Sponsor.
-        /// 
-        /// # Arguments
-        /// 
-        /// * collection_id.
-        #[weight = <T as Config>::WeightInfo::confirm_sponsorship()]
-        #[transactional]
-        pub fn confirm_sponsorship(origin, collection_id: CollectionId) -> DispatchResult {
-            let sender = ensure_signed(origin)?;
+		/// # Permissions
+		///
+		/// * Sponsor.
+		///
+		/// # Arguments
+		///
+		/// * collection_id.
+		#[weight = <T as Config>::WeightInfo::confirm_sponsorship()]
+		#[transactional]
+		pub fn confirm_sponsorship(origin, collection_id: CollectionId) -> DispatchResult {
+			let sender = ensure_signed(origin)?;
 
-            let mut target_collection = Self::get_collection(collection_id)?;
-            ensure!(
-                target_collection.sponsorship.pending_sponsor() == Some(&sender),
-                Error::<T>::ConfirmUnsetSponsorFail
-            );
+			let mut target_collection = Self::get_collection(collection_id)?;
+			ensure!(
+				target_collection.sponsorship.pending_sponsor() == Some(&sender),
+				Error::<T>::ConfirmUnsetSponsorFail
+			);
 
-            target_collection.sponsorship = SponsorshipState::Confirmed(sender);
-            Self::save_collection(target_collection);
+			target_collection.sponsorship = SponsorshipState::Confirmed(sender);
+			Self::save_collection(target_collection);
 
-            Ok(())
-        }
+			Ok(())
+		}
 
-        /// Switch back to pay-per-own-transaction model.
-        ///
-        /// # Permissions
-        ///
-        /// * Collection owner.
-        /// 
-        /// # Arguments
-        /// 
-        /// * collection_id.
-        #[weight = <T as Config>::WeightInfo::remove_collection_sponsor()]
-        #[transactional]
-        pub fn remove_collection_sponsor(origin, collection_id: CollectionId) -> DispatchResult {
-            let sender = ensure_signed(origin)?;
+		/// Switch back to pay-per-own-transaction model.
+		///
+		/// # Permissions
+		///
+		/// * Collection owner.
+		///
+		/// # Arguments
+		///
+		/// * collection_id.
+		#[weight = <T as Config>::WeightInfo::remove_collection_sponsor()]
+		#[transactional]
+		pub fn remove_collection_sponsor(origin, collection_id: CollectionId) -> DispatchResult {
+			let sender = ensure_signed(origin)?;
 
-            let mut target_collection = Self::get_collection(collection_id)?;
-            Self::check_owner_permissions(&target_collection, &sender)?;
+			let mut target_collection = Self::get_collection(collection_id)?;
+			Self::check_owner_permissions(&target_collection, &sender)?;
 
-            target_collection.sponsorship = SponsorshipState::Disabled;
-            Self::save_collection(target_collection);
+			target_collection.sponsorship = SponsorshipState::Disabled;
+			Self::save_collection(target_collection);
 
-            Ok(())
-        }
+			Ok(())
+		}
 
-        /// This method creates a concrete instance of NFT Collection created with CreateCollection method.
-        /// 
-        /// # Permissions
-        /// 
-        /// * Collection Owner.
-        /// * Collection Admin.
-        /// * Anyone if
-        ///     * White List is enabled, and
-        ///     * Address is added to white list, and
-        ///     * MintPermission is enabled (see SetMintPermission method)
-        /// 
-        /// # Arguments
-        /// 
-        /// * collection_id: ID of the collection.
-        /// 
-        /// * owner: Address, initial owner of the NFT.
-        ///
-        /// * data: Token data to store on chain.
-        // #[weight =
-        // (130_000_000 as Weight)
-        // .saturating_add((2135 as Weight).saturating_mul((properties.len() as u64) as Weight))
-        // .saturating_add(RocksDbWeight::get().reads(10 as Weight))
-        // .saturating_add(RocksDbWeight::get().writes(8 as Weight))]
+		/// This method creates a concrete instance of NFT Collection created with CreateCollection method.
+		///
+		/// # Permissions
+		///
+		/// * Collection Owner.
+		/// * Collection Admin.
+		/// * Anyone if
+		///     * White List is enabled, and
+		///     * Address is added to white list, and
+		///     * MintPermission is enabled (see SetMintPermission method)
+		///
+		/// # Arguments
+		///
+		/// * collection_id: ID of the collection.
+		///
+		/// * owner: Address, initial owner of the NFT.
+		///
+		/// * data: Token data to store on chain.
+		// #[weight =
+		// (130_000_000 as Weight)
+		// .saturating_add((2135 as Weight).saturating_mul((properties.len() as u64) as Weight))
+		// .saturating_add(RocksDbWeight::get().reads(10 as Weight))
+		// .saturating_add(RocksDbWeight::get().writes(8 as Weight))]
 
-        #[weight = <T as Config>::WeightInfo::create_item(data.len())]
-        #[transactional]
-        pub fn create_item(origin, collection_id: CollectionId, owner: T::CrossAccountId, data: CreateItemData) -> DispatchResult {
-            let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
-            let collection = Self::get_collection(collection_id)?;
+		#[weight = <T as Config>::WeightInfo::create_item(data.data_size())]
+		#[transactional]
+		pub fn create_item(origin, collection_id: CollectionId, owner: T::CrossAccountId, data: CreateItemData) -> DispatchResult {
+			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
+			let collection = Self::get_collection(collection_id)?;
 
-            Self::create_item_internal(&sender, &collection, &owner, data)?;
+			Self::create_item_internal(&sender, &collection, &owner, data)?;
 
-            Self::submit_logs(collection)?;
-            Ok(())
-        }
+			Self::submit_logs(collection)?;
+			Ok(())
+		}
 
-        /// This method creates multiple items in a collection created with CreateCollection method.
-        /// 
-        /// # Permissions
-        /// 
-        /// * Collection Owner.
-        /// * Collection Admin.
-        /// * Anyone if
-        ///     * White List is enabled, and
-        ///     * Address is added to white list, and
-        ///     * MintPermission is enabled (see SetMintPermission method)
-        /// 
-        /// # Arguments
-        /// 
-        /// * collection_id: ID of the collection.
-        /// 
-        /// * itemsData: Array items properties. Each property is an array of bytes itself, see [create_item].
-        /// 
-        /// * owner: Address, initial owner of the NFT.
-        #[weight = <T as Config>::WeightInfo::create_item(items_data.into_iter()
-                               .map(|data| { data.len() })
-                               .sum())]
-        #[transactional]
-        pub fn create_multiple_items(origin, collection_id: CollectionId, owner: T::CrossAccountId, items_data: Vec<CreateItemData>) -> DispatchResult {
+		/// This method creates multiple items in a collection created with CreateCollection method.
+		///
+		/// # Permissions
+		///
+		/// * Collection Owner.
+		/// * Collection Admin.
+		/// * Anyone if
+		///     * White List is enabled, and
+		///     * Address is added to white list, and
+		///     * MintPermission is enabled (see SetMintPermission method)
+		///
+		/// # Arguments
+		///
+		/// * collection_id: ID of the collection.
+		///
+		/// * itemsData: Array items properties. Each property is an array of bytes itself, see [create_item].
+		///
+		/// * owner: Address, initial owner of the NFT.
+		#[weight = <T as Config>::WeightInfo::create_item(items_data.iter()
+							   .map(|data| { data.data_size() })
+							   .sum())]
+		#[transactional]
+		pub fn create_multiple_items(origin, collection_id: CollectionId, owner: T::CrossAccountId, items_data: Vec<CreateItemData>) -> DispatchResult {
 
-            ensure!(items_data.len() > 0, Error::<T>::EmptyArgument);
-            let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
-            let collection = Self::get_collection(collection_id)?;
+			ensure!(!items_data.is_empty(), Error::<T>::EmptyArgument);
+			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
+			let collection = Self::get_collection(collection_id)?;
 
-            Self::create_multiple_items_internal(&sender, &collection, &owner, items_data)?;
+			Self::create_multiple_items_internal(&sender, &collection, &owner, items_data)?;
 
-            Self::submit_logs(collection)?;
-            Ok(())
-        }
+			Self::submit_logs(collection)?;
+			Ok(())
+		}
 
-        /// Destroys a concrete instance of NFT.
-        /// 
-        /// # Permissions
-        /// 
-        /// * Collection Owner.
-        /// * Collection Admin.
-        /// * Current NFT Owner.
-        /// 
-        /// # Arguments
-        /// 
-        /// * collection_id: ID of the collection.
-        /// 
-        /// * item_id: ID of NFT to burn.
-        #[weight = <T as Config>::WeightInfo::burn_item()]
-        #[transactional]
-        pub fn burn_item(origin, collection_id: CollectionId, item_id: TokenId, value: u128) -> DispatchResult {
+		/// Destroys a concrete instance of NFT.
+		///
+		/// # Permissions
+		///
+		/// * Collection Owner.
+		/// * Collection Admin.
+		/// * Current NFT Owner.
+		///
+		/// # Arguments
+		///
+		/// * collection_id: ID of the collection.
+		///
+		/// * item_id: ID of NFT to burn.
+		#[weight = <T as Config>::WeightInfo::burn_item()]
+		#[transactional]
+		pub fn burn_item(origin, collection_id: CollectionId, item_id: TokenId, value: u128) -> DispatchResult {
 
-            let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
-            let target_collection = Self::get_collection(collection_id)?;
+			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
+			let target_collection = Self::get_collection(collection_id)?;
 
-            Self::burn_item_internal(&sender, &target_collection, item_id, value)?;
+			Self::burn_item_internal(&sender, &target_collection, item_id, value)?;
 
-            Self::submit_logs(target_collection)?;
-            Ok(())
-        }
+			Self::submit_logs(target_collection)?;
+			Ok(())
+		}
 
-        /// Change ownership of the token.
-        /// 
-        /// # Permissions
-        /// 
-        /// * Collection Owner
-        /// * Collection Admin
-        /// * Current NFT owner
-        ///
-        /// # Arguments
-        /// 
-        /// * recipient: Address of token recipient.
-        /// 
-        /// * collection_id.
-        /// 
-        /// * item_id: ID of the item
-        ///     * Non-Fungible Mode: Required.
-        ///     * Fungible Mode: Ignored.
-        ///     * Re-Fungible Mode: Required.
-        /// 
-        /// * value: Amount to transfer.
-        ///     * Non-Fungible Mode: Ignored
-        ///     * Fungible Mode: Must specify transferred amount
-        ///     * Re-Fungible Mode: Must specify transferred portion (between 0 and 1)
-        #[weight = <T as Config>::WeightInfo::transfer()]
-        #[transactional]
-        pub fn transfer(origin, recipient: T::CrossAccountId, collection_id: CollectionId, item_id: TokenId, value: u128) -> DispatchResult {
-            let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
-            let collection = Self::get_collection(collection_id)?;
+		/// Change ownership of the token.
+		///
+		/// # Permissions
+		///
+		/// * Collection Owner
+		/// * Collection Admin
+		/// * Current NFT owner
+		///
+		/// # Arguments
+		///
+		/// * recipient: Address of token recipient.
+		///
+		/// * collection_id.
+		///
+		/// * item_id: ID of the item
+		///     * Non-Fungible Mode: Required.
+		///     * Fungible Mode: Ignored.
+		///     * Re-Fungible Mode: Required.
+		///
+		/// * value: Amount to transfer.
+		///     * Non-Fungible Mode: Ignored
+		///     * Fungible Mode: Must specify transferred amount
+		///     * Re-Fungible Mode: Must specify transferred portion (between 0 and 1)
+		#[weight = <T as Config>::WeightInfo::transfer()]
+		#[transactional]
+		pub fn transfer(origin, recipient: T::CrossAccountId, collection_id: CollectionId, item_id: TokenId, value: u128) -> DispatchResult {
+			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
+			let collection = Self::get_collection(collection_id)?;
 
-            Self::transfer_internal(&sender, &recipient, &collection, item_id, value)?;
+			Self::transfer_internal(&sender, &recipient, &collection, item_id, value)?;
 
-            Self::submit_logs(collection)?;
-            Ok(())
-        }
+			Self::submit_logs(collection)?;
+			Ok(())
+		}
 
-        /// Set, change, or remove approved address to transfer the ownership of the NFT.
-        /// 
-        /// # Permissions
-        /// 
-        /// * Collection Owner
-        /// * Collection Admin
-        /// * Current NFT owner
-        /// 
-        /// # Arguments
-        /// 
-        /// * approved: Address that is approved to transfer this NFT or zero (if needed to remove approval).
-        /// 
-        /// * collection_id.
-        /// 
-        /// * item_id: ID of the item.
-        #[weight = <T as Config>::WeightInfo::approve()]
-        #[transactional]
-        pub fn approve(origin, spender: T::CrossAccountId, collection_id: CollectionId, item_id: TokenId, amount: u128) -> DispatchResult {
-            let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
-            let collection = Self::get_collection(collection_id)?;
+		/// Set, change, or remove approved address to transfer the ownership of the NFT.
+		///
+		/// # Permissions
+		///
+		/// * Collection Owner
+		/// * Collection Admin
+		/// * Current NFT owner
+		///
+		/// # Arguments
+		///
+		/// * approved: Address that is approved to transfer this NFT or zero (if needed to remove approval).
+		///
+		/// * collection_id.
+		///
+		/// * item_id: ID of the item.
+		#[weight = <T as Config>::WeightInfo::approve()]
+		#[transactional]
+		pub fn approve(origin, spender: T::CrossAccountId, collection_id: CollectionId, item_id: TokenId, amount: u128) -> DispatchResult {
+			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
+			let collection = Self::get_collection(collection_id)?;
 
-            Self::approve_internal(&sender, &spender, &collection, item_id, amount)?;
+			Self::approve_internal(&sender, &spender, &collection, item_id, amount)?;
 
-            Self::submit_logs(collection)?;
-            Ok(())
-        }
-        
-        /// Change ownership of a NFT on behalf of the owner. See Approve method for additional information. After this method executes, the approval is removed so that the approved address will not be able to transfer this NFT again from this owner.
-        /// 
-        /// # Permissions
-        /// * Collection Owner
-        /// * Collection Admin
-        /// * Current NFT owner
-        /// * Address approved by current NFT owner
-        /// 
-        /// # Arguments
-        /// 
-        /// * from: Address that owns token.
-        /// 
-        /// * recipient: Address of token recipient.
-        /// 
-        /// * collection_id.
-        /// 
-        /// * item_id: ID of the item.
-        /// 
-        /// * value: Amount to transfer.
-        #[weight = <T as Config>::WeightInfo::transfer_from()]
-        #[transactional]
-        pub fn transfer_from(origin, from: T::CrossAccountId, recipient: T::CrossAccountId, collection_id: CollectionId, item_id: TokenId, value: u128 ) -> DispatchResult {
-            let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
-            let collection = Self::get_collection(collection_id)?;
+			Self::submit_logs(collection)?;
+			Ok(())
+		}
 
-            Self::transfer_from_internal(&sender, &from, &recipient, &collection, item_id, value)?;
+		/// Change ownership of a NFT on behalf of the owner. See Approve method for additional information. After this method executes, the approval is removed so that the approved address will not be able to transfer this NFT again from this owner.
+		///
+		/// # Permissions
+		/// * Collection Owner
+		/// * Collection Admin
+		/// * Current NFT owner
+		/// * Address approved by current NFT owner
+		///
+		/// # Arguments
+		///
+		/// * from: Address that owns token.
+		///
+		/// * recipient: Address of token recipient.
+		///
+		/// * collection_id.
+		///
+		/// * item_id: ID of the item.
+		///
+		/// * value: Amount to transfer.
+		#[weight = <T as Config>::WeightInfo::transfer_from()]
+		#[transactional]
+		pub fn transfer_from(origin, from: T::CrossAccountId, recipient: T::CrossAccountId, collection_id: CollectionId, item_id: TokenId, value: u128 ) -> DispatchResult {
+			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
+			let collection = Self::get_collection(collection_id)?;
 
-            Self::submit_logs(collection)?;
-            Ok(())
-        }
-        // #[weight = 0]
-        //     // let no_perm_mes = "You do not have permissions to modify this collection";
-        //     // ensure!(<ApprovedList<T>>::contains_key((collection_id, item_id)), no_perm_mes);
-        //     // let list_itm = <ApprovedList<T>>::get((collection_id, item_id));
-        //     // ensure!(list_itm.contains(&new_owner.clone()), no_perm_mes);
+			Self::transfer_from_internal(&sender, &from, &recipient, &collection, item_id, value)?;
 
-        //     // // on_nft_received  call
+			Self::submit_logs(collection)?;
+			Ok(())
+		}
+		// #[weight = 0]
+		//     // let no_perm_mes = "You do not have permissions to modify this collection";
+		//     // ensure!(<ApprovedList<T>>::contains_key((collection_id, item_id)), no_perm_mes);
+		//     // let list_itm = <ApprovedList<T>>::get((collection_id, item_id));
+		//     // ensure!(list_itm.contains(&new_owner.clone()), no_perm_mes);
 
-        //     // Self::transfer(origin, collection_id, item_id, new_owner)?;
+		//     // // on_nft_received  call
 
-        //     Ok(())
-        // }
+		//     // Self::transfer(origin, collection_id, item_id, new_owner)?;
 
-        /// Set off-chain data schema.
-        /// 
-        /// # Permissions
-        /// 
-        /// * Collection Owner
-        /// * Collection Admin
-        /// 
-        /// # Arguments
-        /// 
-        /// * collection_id.
-        /// 
-        /// * schema: String representing the offchain data schema.
-        #[weight = <T as Config>::WeightInfo::set_variable_meta_data()]
-        #[transactional]
-        pub fn set_variable_meta_data (
-            origin,
-            collection_id: CollectionId,
-            item_id: TokenId,
-            data: Vec<u8>
-        ) -> DispatchResult {
-            let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
-            
-            let collection = Self::get_collection(collection_id)?;
+		//     Ok(())
+		// }
 
-            Self::set_variable_meta_data_internal(&sender, &collection, item_id, data)?;
+		/// Set off-chain data schema.
+		///
+		/// # Permissions
+		///
+		/// * Collection Owner
+		/// * Collection Admin
+		///
+		/// # Arguments
+		///
+		/// * collection_id.
+		///
+		/// * schema: String representing the offchain data schema.
+		#[weight = <T as Config>::WeightInfo::set_variable_meta_data()]
+		#[transactional]
+		pub fn set_variable_meta_data (
+			origin,
+			collection_id: CollectionId,
+			item_id: TokenId,
+			data: Vec<u8>
+		) -> DispatchResult {
+			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
 
-            Ok(())
-        }
- 
-        /// Set schema standard
-        /// ImageURL
-        /// Unique
-        /// 
-        /// # Permissions
-        /// 
-        /// * Collection Owner
-        /// * Collection Admin
-        /// 
-        /// # Arguments
-        /// 
-        /// * collection_id.
-        /// 
-        /// * schema: SchemaVersion: enum
-        #[weight = <T as Config>::WeightInfo::set_schema_version()]
-        #[transactional]
-        pub fn set_schema_version(
-            origin,
-            collection_id: CollectionId,
-            version: SchemaVersion
-        ) -> DispatchResult {
-            let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
-            let mut target_collection = Self::get_collection(collection_id)?;
-            Self::check_owner_or_admin_permissions(&target_collection, &sender)?;
-            target_collection.schema_version = version;
-            Self::save_collection(target_collection);
+			let collection = Self::get_collection(collection_id)?;
 
-            Ok(())
-        }
+			Self::set_variable_meta_data_internal(&sender, &collection, item_id, data)?;
 
-        /// Set off-chain data schema.
-        /// 
-        /// # Permissions
-        /// 
-        /// * Collection Owner
-        /// * Collection Admin
-        /// 
-        /// # Arguments
-        /// 
-        /// * collection_id.
-        /// 
-        /// * schema: String representing the offchain data schema.
-        #[weight = <T as Config>::WeightInfo::set_offchain_schema()]
-        #[transactional]
-        pub fn set_offchain_schema(
-            origin,
-            collection_id: CollectionId,
-            schema: Vec<u8>
-        ) -> DispatchResult {
-            let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
-            let mut target_collection = Self::get_collection(collection_id)?;
-            Self::check_owner_or_admin_permissions(&target_collection, &sender)?;
+			Ok(())
+		}
 
-            // check schema limit
-            ensure!(schema.len() as u32 <= ChainLimit::get().offchain_schema_limit, "");
+		/// Set schema standard
+		/// ImageURL
+		/// Unique
+		///
+		/// # Permissions
+		///
+		/// * Collection Owner
+		/// * Collection Admin
+		///
+		/// # Arguments
+		///
+		/// * collection_id.
+		///
+		/// * schema: SchemaVersion: enum
+		#[weight = <T as Config>::WeightInfo::set_schema_version()]
+		#[transactional]
+		pub fn set_schema_version(
+			origin,
+			collection_id: CollectionId,
+			version: SchemaVersion
+		) -> DispatchResult {
+			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
+			let mut target_collection = Self::get_collection(collection_id)?;
+			Self::check_owner_or_admin_permissions(&target_collection, &sender)?;
+			target_collection.schema_version = version;
+			Self::save_collection(target_collection);
 
-            target_collection.offchain_schema = schema;
-            Self::save_collection(target_collection);
+			Ok(())
+		}
 
-            Ok(())
-        }
+		/// Set off-chain data schema.
+		///
+		/// # Permissions
+		///
+		/// * Collection Owner
+		/// * Collection Admin
+		///
+		/// # Arguments
+		///
+		/// * collection_id.
+		///
+		/// * schema: String representing the offchain data schema.
+		#[weight = <T as Config>::WeightInfo::set_offchain_schema()]
+		#[transactional]
+		pub fn set_offchain_schema(
+			origin,
+			collection_id: CollectionId,
+			schema: Vec<u8>
+		) -> DispatchResult {
+			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
+			let mut target_collection = Self::get_collection(collection_id)?;
+			Self::check_owner_or_admin_permissions(&target_collection, &sender)?;
+
+			// check schema limit
+			ensure!(schema.len() as u32 <= ChainLimit::get().offchain_schema_limit, "");
 
-        /// Set const on-chain data schema.
-        /// 
-        /// # Permissions
-        /// 
-        /// * Collection Owner
-        /// * Collection Admin
-        /// 
-        /// # Arguments
-        /// 
-        /// * collection_id.
-        /// 
-        /// * schema: String representing the const on-chain data schema.
-        #[weight = <T as Config>::WeightInfo::set_const_on_chain_schema()]
-        #[transactional]
-        pub fn set_const_on_chain_schema (
-            origin,
-            collection_id: CollectionId,
-            schema: Vec<u8>
-        ) -> DispatchResult {
-            let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
-            let mut target_collection = Self::get_collection(collection_id)?;
-            Self::check_owner_or_admin_permissions(&target_collection, &sender)?;
+			target_collection.offchain_schema = schema;
+			Self::save_collection(target_collection);
+
+			Ok(())
+		}
+
+		/// Set const on-chain data schema.
+		///
+		/// # Permissions
+		///
+		/// * Collection Owner
+		/// * Collection Admin
+		///
+		/// # Arguments
+		///
+		/// * collection_id.
+		///
+		/// * schema: String representing the const on-chain data schema.
+		#[weight = <T as Config>::WeightInfo::set_const_on_chain_schema()]
+		#[transactional]
+		pub fn set_const_on_chain_schema (
+			origin,
+			collection_id: CollectionId,
+			schema: Vec<u8>
+		) -> DispatchResult {
+			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
+			let mut target_collection = Self::get_collection(collection_id)?;
+			Self::check_owner_or_admin_permissions(&target_collection, &sender)?;
 
-            // check schema limit
-            ensure!(schema.len() as u32 <= ChainLimit::get().const_on_chain_schema_limit, "");
+			// check schema limit
+			ensure!(schema.len() as u32 <= ChainLimit::get().const_on_chain_schema_limit, "");
 
-            target_collection.const_on_chain_schema = schema;
-            Self::save_collection(target_collection);
+			target_collection.const_on_chain_schema = schema;
+			Self::save_collection(target_collection);
 
-            Ok(())
-        }
+			Ok(())
+		}
 
-        /// Set variable on-chain data schema.
-        /// 
-        /// # Permissions
-        /// 
-        /// * Collection Owner
-        /// * Collection Admin
-        /// 
-        /// # Arguments
-        /// 
-        /// * collection_id.
-        /// 
-        /// * schema: String representing the variable on-chain data schema.
-        #[weight = <T as Config>::WeightInfo::set_const_on_chain_schema()]
-        #[transactional]
-        pub fn set_variable_on_chain_schema (
-            origin,
-            collection_id: CollectionId,
-            schema: Vec<u8>
-        ) -> DispatchResult {
-            let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
-            let mut target_collection = Self::get_collection(collection_id)?;
-            Self::check_owner_or_admin_permissions(&target_collection, &sender)?;
+		/// Set variable on-chain data schema.
+		///
+		/// # Permissions
+		///
+		/// * Collection Owner
+		/// * Collection Admin
+		///
+		/// # Arguments
+		///
+		/// * collection_id.
+		///
+		/// * schema: String representing the variable on-chain data schema.
+		#[weight = <T as Config>::WeightInfo::set_const_on_chain_schema()]
+		#[transactional]
+		pub fn set_variable_on_chain_schema (
+			origin,
+			collection_id: CollectionId,
+			schema: Vec<u8>
+		) -> DispatchResult {
+			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
+			let mut target_collection = Self::get_collection(collection_id)?;
+			Self::check_owner_or_admin_permissions(&target_collection, &sender)?;
 
-            // check schema limit
-            ensure!(schema.len() as u32 <= ChainLimit::get().variable_on_chain_schema_limit, "");
+			// check schema limit
+			ensure!(schema.len() as u32 <= ChainLimit::get().variable_on_chain_schema_limit, "");
 
-            target_collection.variable_on_chain_schema = schema;
-            Self::save_collection(target_collection);
+			target_collection.variable_on_chain_schema = schema;
+			Self::save_collection(target_collection);
 
-            Ok(())
-        }
+			Ok(())
+		}
 
-        // Sudo permissions function
-        #[weight = <T as Config>::WeightInfo::set_chain_limits()]
-        #[transactional]
-        pub fn set_chain_limits(
-            origin,
-            limits: ChainLimits
-        ) -> DispatchResult {
+		// Sudo permissions function
+		#[weight = <T as Config>::WeightInfo::set_chain_limits()]
+		#[transactional]
+		pub fn set_chain_limits(
+			origin,
+			limits: ChainLimits
+		) -> DispatchResult {
 
-            #[cfg(not(feature = "runtime-benchmarks"))]
-            ensure_root(origin)?;
+			#[cfg(not(feature = "runtime-benchmarks"))]
+			ensure_root(origin)?;
 
-            <ChainLimit>::put(limits);
-            Ok(())
-        }
+			<ChainLimit>::put(limits);
+			Ok(())
+		}
 
-        #[weight = <T as Config>::WeightInfo::set_collection_limits()]
-        #[transactional]
-        pub fn set_collection_limits(
-            origin,
-            collection_id: u32,
-            new_limits: CollectionLimits<T::BlockNumber>,
-        ) -> DispatchResult {
-            let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
-            let mut target_collection = Self::get_collection(collection_id)?;
-            Self::check_owner_permissions(&target_collection, &sender.as_sub())?;
-            let old_limits = &target_collection.limits;
-            let chain_limits = ChainLimit::get();
+		#[weight = <T as Config>::WeightInfo::set_collection_limits()]
+		#[transactional]
+		pub fn set_collection_limits(
+			origin,
+			collection_id: u32,
+			new_limits: CollectionLimits<T::BlockNumber>,
+		) -> DispatchResult {
+			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
+			let mut target_collection = Self::get_collection(collection_id)?;
+			Self::check_owner_permissions(&target_collection, sender.as_sub())?;
+			let old_limits = &target_collection.limits;
+			let chain_limits = ChainLimit::get();
 
-            // collection bounds
-            ensure!(new_limits.sponsor_transfer_timeout <= MAX_SPONSOR_TIMEOUT &&
-                new_limits.account_token_ownership_limit <= MAX_TOKEN_OWNERSHIP && 
-                new_limits.sponsored_data_size <= chain_limits.custom_data_limit,
-                Error::<T>::CollectionLimitBoundsExceeded);
+			// collection bounds
+			ensure!(new_limits.sponsor_transfer_timeout <= MAX_SPONSOR_TIMEOUT &&
+				new_limits.account_token_ownership_limit <= MAX_TOKEN_OWNERSHIP &&
+				new_limits.sponsored_data_size <= chain_limits.custom_data_limit,
+				Error::<T>::CollectionLimitBoundsExceeded);
 
-            // token_limit   check  prev
-            ensure!(old_limits.token_limit >= new_limits.token_limit, Error::<T>::CollectionTokenLimitExceeded);
-            ensure!(new_limits.token_limit > 0, Error::<T>::CollectionTokenLimitExceeded);
+			// token_limit   check  prev
+			ensure!(old_limits.token_limit >= new_limits.token_limit, Error::<T>::CollectionTokenLimitExceeded);
+			ensure!(new_limits.token_limit > 0, Error::<T>::CollectionTokenLimitExceeded);
 
-            ensure!(
-                (old_limits.owner_can_transfer || !new_limits.owner_can_transfer) &&
-                (old_limits.owner_can_destroy || !new_limits.owner_can_destroy),
-                Error::<T>::OwnerPermissionsCantBeReverted,
-            );
+			ensure!(
+				(old_limits.owner_can_transfer || !new_limits.owner_can_transfer) &&
+				(old_limits.owner_can_destroy || !new_limits.owner_can_destroy),
+				Error::<T>::OwnerPermissionsCantBeReverted,
+			);
 
-            target_collection.limits = new_limits;
-            Self::save_collection(target_collection);
+			target_collection.limits = new_limits;
+			Self::save_collection(target_collection);
 
-            Ok(())
-        } 
-    }
+			Ok(())
+		}
+	}
 }
 
 impl<T: Config> Module<T> {
-    pub fn create_item_internal(sender: &T::CrossAccountId, collection: &CollectionHandle<T>, owner: &T::CrossAccountId, data: CreateItemData) -> DispatchResult {
-        Self::can_create_items_in_collection(&collection, &sender, &owner, 1)?;
-        Self::validate_create_item_args(&collection, &data)?;
-        Self::create_item_no_validation(&collection, owner, data)?;
+	pub fn create_item_internal(
+		sender: &T::CrossAccountId,
+		collection: &CollectionHandle<T>,
+		owner: &T::CrossAccountId,
+		data: CreateItemData,
+	) -> DispatchResult {
+		Self::can_create_items_in_collection(collection, sender, owner, 1)?;
+		Self::validate_create_item_args(collection, &data)?;
+		Self::create_item_no_validation(collection, owner, data)?;
 
-        Ok(())
-    }
+		Ok(())
+	}
 
-    pub fn transfer_internal(sender: &T::CrossAccountId, recipient: &T::CrossAccountId, target_collection: &CollectionHandle<T>, item_id: TokenId, value: u128) -> DispatchResult {
-        target_collection.consume_gas(2000000)?;
-        // Limits check
-        Self::is_correct_transfer(target_collection, &recipient)?;
+	pub fn transfer_internal(
+		sender: &T::CrossAccountId,
+		recipient: &T::CrossAccountId,
+		target_collection: &CollectionHandle<T>,
+		item_id: TokenId,
+		value: u128,
+	) -> DispatchResult {
+		target_collection.consume_gas(2000000)?;
+		// Limits check
+		Self::is_correct_transfer(target_collection, recipient)?;
 
-        // Transfer permissions check
-        ensure!(Self::is_item_owner(&sender, target_collection, item_id) ||
-            Self::is_owner_or_admin_permissions(target_collection, &sender),
-            Error::<T>::NoPermission);
+		// Transfer permissions check
+		ensure!(
+			Self::is_item_owner(sender, target_collection, item_id)
+				|| Self::is_owner_or_admin_permissions(target_collection, sender),
+			Error::<T>::NoPermission
+		);
 
-        if target_collection.access == AccessMode::WhiteList {
-            Self::check_white_list(target_collection, &sender)?;
-            Self::check_white_list(target_collection, &recipient)?;
-        }
+		if target_collection.access == AccessMode::WhiteList {
+			Self::check_white_list(target_collection, sender)?;
+			Self::check_white_list(target_collection, recipient)?;
+		}
 
-        match target_collection.mode
-        {
-            CollectionMode::NFT => Self::transfer_nft(target_collection, item_id, sender.clone(), recipient.clone())?,
-            CollectionMode::Fungible(_)  => Self::transfer_fungible(target_collection, value, &sender, &recipient)?,
-            CollectionMode::ReFungible  => Self::transfer_refungible(target_collection, item_id, value, sender.clone(), recipient.clone())?,
-            _ => ()
-        };
+		match target_collection.mode {
+			CollectionMode::NFT => Self::transfer_nft(
+				target_collection,
+				item_id,
+				sender.clone(),
+				recipient.clone(),
+			)?,
+			CollectionMode::Fungible(_) => {
+				Self::transfer_fungible(target_collection, value, sender, recipient)?
+			}
+			CollectionMode::ReFungible => Self::transfer_refungible(
+				target_collection,
+				item_id,
+				value,
+				sender.clone(),
+				recipient.clone(),
+			)?,
+			_ => (),
+		};
 
-        Self::deposit_event(RawEvent::Transfer(target_collection.id, item_id, sender.clone(), recipient.clone(), value));
+		Self::deposit_event(RawEvent::Transfer(
+			target_collection.id,
+			item_id,
+			sender.clone(),
+			recipient.clone(),
+			value,
+		));
 
-        Ok(())
-    }
+		Ok(())
+	}
 
 	pub fn approve_internal(
 		sender: &T::CrossAccountId,
 		spender: &T::CrossAccountId,
 		collection: &CollectionHandle<T>,
 		item_id: TokenId,
-		amount: u128
+		amount: u128,
 	) -> DispatchResult {
-        collection.consume_gas(2000000)?;
-		Self::token_exists(&collection, item_id)?;
+		collection.consume_gas(2000000)?;
+		Self::token_exists(collection, item_id)?;
 
 		// Transfer permissions check
-		let bypasses_limits = collection.limits.owner_can_transfer &&
-			Self::is_owner_or_admin_permissions(
-				&collection,
-				&sender,
-			);
+		let bypasses_limits = collection.limits.owner_can_transfer
+			&& Self::is_owner_or_admin_permissions(collection, sender);
 
 		let allowance_limit = if bypasses_limits {
 			None
-		} else if let Some(amount) = Self::owned_amount(
-			&sender,
-			&collection,
-			item_id,
-		) {
+		} else if let Some(amount) = Self::owned_amount(sender, collection, item_id) {
 			Some(amount)
 		} else {
 			fail!(Error::<T>::NoPermission);
 		};
 
 		if collection.access == AccessMode::WhiteList {
-			Self::check_white_list(&collection, &sender)?;
-			Self::check_white_list(&collection, &spender)?;
+			Self::check_white_list(collection, sender)?;
+			Self::check_white_list(collection, spender)?;
 		}
 
 		let allowance: u128 = amount
-			.checked_add(<Allowances<T>>::get(collection.id, (item_id, sender.as_sub(), spender.as_sub())))
+			.checked_add(<Allowances<T>>::get(
+				collection.id,
+				(item_id, sender.as_sub(), spender.as_sub()),
+			))
 			.ok_or(Error::<T>::NumOverflow)?;
 		if let Some(limit) = allowance_limit {
 			ensure!(limit >= allowance, Error::<T>::TokenValueTooLow);
 		}
-		<Allowances<T>>::insert(collection.id, (item_id, sender.as_sub(), spender.as_sub()), allowance);
+		<Allowances<T>>::insert(
+			collection.id,
+			(item_id, sender.as_sub(), spender.as_sub()),
+			allowance,
+		);
 
 		if matches!(collection.mode, CollectionMode::NFT) {
 			// TODO: NFT: only one owner may exist for token in ERC721
 			collection.log(ERC721Events::Approval {
-                owner: *sender.as_eth(),
-                approved: *spender.as_eth(),
-                token_id: item_id.into(),
-            });
+				owner: *sender.as_eth(),
+				approved: *spender.as_eth(),
+				token_id: item_id.into(),
+			});
 		}
 
 		if matches!(collection.mode, CollectionMode::Fungible(_)) {
 			// TODO: NFT: only one owner may exist for token in ERC20
 			collection.log(ERC20Events::Approval {
-                owner: *sender.as_eth(),
-                spender: *spender.as_eth(),
-                value: allowance.into()
-            });
+				owner: *sender.as_eth(),
+				spender: *spender.as_eth(),
+				value: allowance.into(),
+			});
 		}
 
-		Self::deposit_event(RawEvent::Approved(collection.id, item_id, sender.clone(), spender.clone(), allowance));
+		Self::deposit_event(RawEvent::Approved(
+			collection.id,
+			item_id,
+			sender.clone(),
+			spender.clone(),
+			allowance,
+		));
 		Ok(())
 	}
 
@@ -1369,879 +1406,981 @@
 		item_id: TokenId,
 		amount: u128,
 	) -> DispatchResult {
-        collection.consume_gas(2000000)?;
+		collection.consume_gas(2000000)?;
 		// Check approval
-		let approval: u128 = <Allowances<T>>::get(collection.id, (item_id, from.as_sub(), sender.as_sub()));
+		let approval: u128 =
+			<Allowances<T>>::get(collection.id, (item_id, from.as_sub(), sender.as_sub()));
 
 		// Limits check
-		Self::is_correct_transfer(&collection, &recipient)?;
+		Self::is_correct_transfer(collection, recipient)?;
 
 		// Transfer permissions check
 		ensure!(
-			approval >= amount || 
-			(
-				collection.limits.owner_can_transfer &&
-				Self::is_owner_or_admin_permissions(&collection, &sender)
-			),
+			approval >= amount
+				|| (collection.limits.owner_can_transfer
+					&& Self::is_owner_or_admin_permissions(collection, sender)),
 			Error::<T>::NoPermission
 		);
 
 		if collection.access == AccessMode::WhiteList {
-			Self::check_white_list(&collection, &sender)?;
-			Self::check_white_list(&collection, &recipient)?;
+			Self::check_white_list(collection, sender)?;
+			Self::check_white_list(collection, recipient)?;
 		}
 
 		// Reduce approval by transferred amount or remove if remaining approval drops to 0
 		let allowance = approval.saturating_sub(amount);
 		if allowance > 0 {
-			<Allowances<T>>::insert(collection.id, (item_id, from.as_sub(), sender.as_sub()), allowance);
+			<Allowances<T>>::insert(
+				collection.id,
+				(item_id, from.as_sub(), sender.as_sub()),
+				allowance,
+			);
 		} else {
 			<Allowances<T>>::remove(collection.id, (item_id, from.as_sub(), sender.as_sub()));
 		}
 
 		match collection.mode {
 			CollectionMode::NFT => {
-				Self::transfer_nft(&collection, item_id, from.clone(), recipient.clone())?
+				Self::transfer_nft(collection, item_id, from.clone(), recipient.clone())?
 			}
 			CollectionMode::Fungible(_) => {
-				Self::transfer_fungible(&collection, amount, &from, &recipient)?
-			}
-			CollectionMode::ReFungible => {
-				Self::transfer_refungible(&collection, item_id, amount, from.clone(), recipient.clone())?
+				Self::transfer_fungible(collection, amount, from, recipient)?
 			}
-			_ => ()
+			CollectionMode::ReFungible => Self::transfer_refungible(
+				collection,
+				item_id,
+				amount,
+				from.clone(),
+				recipient.clone(),
+			)?,
+			_ => (),
 		};
 
 		if matches!(collection.mode, CollectionMode::Fungible(_)) {
 			collection.log(ERC20Events::Approval {
-                owner: *from.as_eth(),
-                spender: *sender.as_eth(),
-                value: allowance.into()
-            });
+				owner: *from.as_eth(),
+				spender: *sender.as_eth(),
+				value: allowance.into(),
+			});
 		}
 
 		Ok(())
 	}
 
-    pub fn set_variable_meta_data_internal(
-        sender: &T::CrossAccountId,
-        collection: &CollectionHandle<T>, 
-        item_id: TokenId,
-        data: Vec<u8>,
-    ) -> DispatchResult {
-        Self::token_exists(&collection, item_id)?;
+	pub fn set_variable_meta_data_internal(
+		sender: &T::CrossAccountId,
+		collection: &CollectionHandle<T>,
+		item_id: TokenId,
+		data: Vec<u8>,
+	) -> DispatchResult {
+		Self::token_exists(collection, item_id)?;
 
-        ensure!(ChainLimit::get().custom_data_limit >= data.len() as u32, Error::<T>::TokenVariableDataLimitExceeded);
+		ensure!(
+			ChainLimit::get().custom_data_limit >= data.len() as u32,
+			Error::<T>::TokenVariableDataLimitExceeded
+		);
 
-        // Modify permissions check
-        ensure!(Self::is_item_owner(&sender, &collection, item_id) ||
-            Self::is_owner_or_admin_permissions(&collection, &sender),
-            Error::<T>::NoPermission);
+		// Modify permissions check
+		ensure!(
+			Self::is_item_owner(sender, collection, item_id)
+				|| Self::is_owner_or_admin_permissions(collection, sender),
+			Error::<T>::NoPermission
+		);
 
-        match collection.mode
-        {
-            CollectionMode::NFT => Self::set_nft_variable_data(&collection, item_id, data)?,
-            CollectionMode::ReFungible  => Self::set_re_fungible_variable_data(&collection, item_id, data)?,
-            CollectionMode::Fungible(_) => fail!(Error::<T>::CantStoreMetadataInFungibleTokens),
-            _ => fail!(Error::<T>::UnexpectedCollectionType)
-        };
+		match collection.mode {
+			CollectionMode::NFT => Self::set_nft_variable_data(collection, item_id, data)?,
+			CollectionMode::ReFungible => {
+				Self::set_re_fungible_variable_data(collection, item_id, data)?
+			}
+			CollectionMode::Fungible(_) => fail!(Error::<T>::CantStoreMetadataInFungibleTokens),
+			_ => fail!(Error::<T>::UnexpectedCollectionType),
+		};
 
-        Ok(())
-    }
+		Ok(())
+	}
 
-    pub fn create_multiple_items_internal(
-        sender: &T::CrossAccountId,
-        collection: &CollectionHandle<T>,
-        owner: &T::CrossAccountId,
-        items_data: Vec<CreateItemData>,
-    ) -> DispatchResult {
-        Self::can_create_items_in_collection(&collection, &sender, &owner, items_data.len() as u32)?;
+	pub fn create_multiple_items_internal(
+		sender: &T::CrossAccountId,
+		collection: &CollectionHandle<T>,
+		owner: &T::CrossAccountId,
+		items_data: Vec<CreateItemData>,
+	) -> DispatchResult {
+		Self::can_create_items_in_collection(collection, sender, owner, items_data.len() as u32)?;
 
-        for data in &items_data {
-            Self::validate_create_item_args(&collection, data)?;
-        }
-        for data in &items_data {
-            Self::create_item_no_validation(&collection, owner, data.clone())?;
-        }
+		for data in &items_data {
+			Self::validate_create_item_args(collection, data)?;
+		}
+		for data in &items_data {
+			Self::create_item_no_validation(collection, owner, data.clone())?;
+		}
 
-        Ok(())
-    }
+		Ok(())
+	}
 
-    pub fn burn_item_internal(
-        sender: &T::CrossAccountId,
-        collection: &CollectionHandle<T>,
-        item_id: TokenId,
-        value: u128,
-    ) -> DispatchResult {
-        ensure!(
-            Self::is_item_owner(&sender, &collection, item_id) ||
-            (
-                collection.limits.owner_can_transfer &&
-                Self::is_owner_or_admin_permissions(&collection, &sender)
-            ),
-            Error::<T>::NoPermission
-        );
+	pub fn burn_item_internal(
+		sender: &T::CrossAccountId,
+		collection: &CollectionHandle<T>,
+		item_id: TokenId,
+		value: u128,
+	) -> DispatchResult {
+		ensure!(
+			Self::is_item_owner(sender, collection, item_id)
+				|| (collection.limits.owner_can_transfer
+					&& Self::is_owner_or_admin_permissions(collection, sender)),
+			Error::<T>::NoPermission
+		);
 
-        if collection.access == AccessMode::WhiteList {
-            Self::check_white_list(&collection, &sender)?;
-        }
+		if collection.access == AccessMode::WhiteList {
+			Self::check_white_list(collection, sender)?;
+		}
 
-        match collection.mode
-        {
-            CollectionMode::NFT => Self::burn_nft_item(&collection, item_id)?,
-            CollectionMode::Fungible(_)  => Self::burn_fungible_item(&sender, &collection, value)?,
-            CollectionMode::ReFungible  => Self::burn_refungible_item(&collection, item_id, &sender)?,
-            _ => ()
-        };
+		match collection.mode {
+			CollectionMode::NFT => Self::burn_nft_item(collection, item_id)?,
+			CollectionMode::Fungible(_) => Self::burn_fungible_item(sender, collection, value)?,
+			CollectionMode::ReFungible => Self::burn_refungible_item(collection, item_id, sender)?,
+			_ => (),
+		};
 
-        Ok(())
-    }
+		Ok(())
+	}
 
-    pub fn toggle_white_list_internal(
-        sender: &T::CrossAccountId,
-        collection: &CollectionHandle<T>,
-        address: &T::CrossAccountId,
-        whitelisted: bool,
-    ) -> DispatchResult {
-        Self::check_owner_or_admin_permissions(&collection, &sender)?;
+	pub fn toggle_white_list_internal(
+		sender: &T::CrossAccountId,
+		collection: &CollectionHandle<T>,
+		address: &T::CrossAccountId,
+		whitelisted: bool,
+	) -> DispatchResult {
+		Self::check_owner_or_admin_permissions(collection, sender)?;
 
-        if whitelisted {
-            <WhiteList<T>>::insert(collection.id, address.as_sub(), true);
-        } else {
-            <WhiteList<T>>::remove(collection.id, address.as_sub());
-        }
+		if whitelisted {
+			<WhiteList<T>>::insert(collection.id, address.as_sub(), true);
+		} else {
+			<WhiteList<T>>::remove(collection.id, address.as_sub());
+		}
 
-        Ok(())
-    }
+		Ok(())
+	}
 
-    fn is_correct_transfer(collection: &CollectionHandle<T>, recipient: &T::CrossAccountId) -> DispatchResult {
-        let collection_id = collection.id;
+	fn is_correct_transfer(
+		collection: &CollectionHandle<T>,
+		recipient: &T::CrossAccountId,
+	) -> DispatchResult {
+		let collection_id = collection.id;
 
-        // check token limit and account token limit
-        let account_items: u32 = <AddressTokens<T>>::get(collection_id, recipient.as_sub()).len() as u32;
-        ensure!(collection.limits.account_token_ownership_limit > account_items,  Error::<T>::AccountTokenLimitExceeded);
-        
-        Ok(())
-    }
+		// check token limit and account token limit
+		let account_items: u32 =
+			<AddressTokens<T>>::get(collection_id, recipient.as_sub()).len() as u32;
+		ensure!(
+			collection.limits.account_token_ownership_limit > account_items,
+			Error::<T>::AccountTokenLimitExceeded
+		);
 
-    fn can_create_items_in_collection(collection: &CollectionHandle<T>, sender: &T::CrossAccountId, owner: &T::CrossAccountId, amount: u32) -> DispatchResult {
-        let collection_id = collection.id;
+		Ok(())
+	}
 
-        // check token limit and account token limit
-        let total_items: u32 = ItemListIndex::get(collection_id)
-            .checked_add(amount)
-            .ok_or(Error::<T>::CollectionTokenLimitExceeded)?;
-        let account_items: u32 = (<AddressTokens<T>>::get(collection_id, owner.as_sub()).len() as u32)
-            .checked_add(amount)
-            .ok_or(Error::<T>::AccountTokenLimitExceeded)?;
-        ensure!(collection.limits.token_limit >= total_items,  Error::<T>::CollectionTokenLimitExceeded);
-        ensure!(collection.limits.account_token_ownership_limit >= account_items,  Error::<T>::AccountTokenLimitExceeded);
+	fn can_create_items_in_collection(
+		collection: &CollectionHandle<T>,
+		sender: &T::CrossAccountId,
+		owner: &T::CrossAccountId,
+		amount: u32,
+	) -> DispatchResult {
+		let collection_id = collection.id;
 
-        if !Self::is_owner_or_admin_permissions(collection, &sender) {
-            ensure!(collection.mint_mode == true, Error::<T>::PublicMintingNotAllowed);
-            Self::check_white_list(collection, owner)?;
-            Self::check_white_list(collection, sender)?;
-        }
+		// check token limit and account token limit
+		let total_items: u32 = ItemListIndex::get(collection_id)
+			.checked_add(amount)
+			.ok_or(Error::<T>::CollectionTokenLimitExceeded)?;
+		let account_items: u32 = (<AddressTokens<T>>::get(collection_id, owner.as_sub()).len()
+			as u32)
+			.checked_add(amount)
+			.ok_or(Error::<T>::AccountTokenLimitExceeded)?;
+		ensure!(
+			collection.limits.token_limit >= total_items,
+			Error::<T>::CollectionTokenLimitExceeded
+		);
+		ensure!(
+			collection.limits.account_token_ownership_limit >= account_items,
+			Error::<T>::AccountTokenLimitExceeded
+		);
 
-        Ok(())
-    }
+		if !Self::is_owner_or_admin_permissions(collection, sender) {
+			ensure!(collection.mint_mode, Error::<T>::PublicMintingNotAllowed);
+			Self::check_white_list(collection, owner)?;
+			Self::check_white_list(collection, sender)?;
+		}
 
-    fn validate_create_item_args(target_collection: &CollectionHandle<T>, data: &CreateItemData) -> DispatchResult {
-        match target_collection.mode
-        {
-            CollectionMode::NFT => {
-                if let CreateItemData::NFT(data) = data {
-                    // check sizes
-                    ensure!(ChainLimit::get().custom_data_limit >= data.const_data.len() as u32, Error::<T>::TokenConstDataLimitExceeded);
-                    ensure!(ChainLimit::get().custom_data_limit >= data.variable_data.len() as u32, Error::<T>::TokenVariableDataLimitExceeded);
-                } else {
-                    fail!(Error::<T>::NotNftDataUsedToMintNftCollectionToken);
-                }
-            },
-            CollectionMode::Fungible(_) => {
-                if let CreateItemData::Fungible(_) = data {
-                } else {
-                    fail!(Error::<T>::NotFungibleDataUsedToMintFungibleCollectionToken);
-                }
-            },
-            CollectionMode::ReFungible => {
-                if let CreateItemData::ReFungible(data) = data {
+		Ok(())
+	}
 
-                    // check sizes
-                    ensure!(ChainLimit::get().custom_data_limit >= data.const_data.len() as u32, Error::<T>::TokenConstDataLimitExceeded);
-                    ensure!(ChainLimit::get().custom_data_limit >= data.variable_data.len() as u32, Error::<T>::TokenVariableDataLimitExceeded);
+	fn validate_create_item_args(
+		target_collection: &CollectionHandle<T>,
+		data: &CreateItemData,
+	) -> DispatchResult {
+		match target_collection.mode {
+			CollectionMode::NFT => {
+				if let CreateItemData::NFT(data) = data {
+					// check sizes
+					ensure!(
+						ChainLimit::get().custom_data_limit >= data.const_data.len() as u32,
+						Error::<T>::TokenConstDataLimitExceeded
+					);
+					ensure!(
+						ChainLimit::get().custom_data_limit >= data.variable_data.len() as u32,
+						Error::<T>::TokenVariableDataLimitExceeded
+					);
+				} else {
+					fail!(Error::<T>::NotNftDataUsedToMintNftCollectionToken);
+				}
+			}
+			CollectionMode::Fungible(_) => {
+				if let CreateItemData::Fungible(_) = data {
+				} else {
+					fail!(Error::<T>::NotFungibleDataUsedToMintFungibleCollectionToken);
+				}
+			}
+			CollectionMode::ReFungible => {
+				if let CreateItemData::ReFungible(data) = data {
+					// check sizes
+					ensure!(
+						ChainLimit::get().custom_data_limit >= data.const_data.len() as u32,
+						Error::<T>::TokenConstDataLimitExceeded
+					);
+					ensure!(
+						ChainLimit::get().custom_data_limit >= data.variable_data.len() as u32,
+						Error::<T>::TokenVariableDataLimitExceeded
+					);
 
-                    // Check refungibility limits
-                    ensure!(data.pieces <= MAX_REFUNGIBLE_PIECES, Error::<T>::WrongRefungiblePieces);
-                    ensure!(data.pieces > 0, Error::<T>::WrongRefungiblePieces);
-                } else {
-                    fail!(Error::<T>::NotReFungibleDataUsedToMintReFungibleCollectionToken);
-                }
-            },
-            _ => { fail!(Error::<T>::UnexpectedCollectionType); }
-        };
+					// Check refungibility limits
+					ensure!(
+						data.pieces <= MAX_REFUNGIBLE_PIECES,
+						Error::<T>::WrongRefungiblePieces
+					);
+					ensure!(data.pieces > 0, Error::<T>::WrongRefungiblePieces);
+				} else {
+					fail!(Error::<T>::NotReFungibleDataUsedToMintReFungibleCollectionToken);
+				}
+			}
+			_ => {
+				fail!(Error::<T>::UnexpectedCollectionType);
+			}
+		};
 
-        Ok(())
-    }
+		Ok(())
+	}
 
-    fn create_item_no_validation(collection: &CollectionHandle<T>, owner: &T::CrossAccountId, data: CreateItemData) -> DispatchResult {
-        match data
-        {
-            CreateItemData::NFT(data) => {
-                let item = NftItemType {
-                    owner: owner.clone(),
-                    const_data: data.const_data,
-                    variable_data: data.variable_data
-                };
+	fn create_item_no_validation(
+		collection: &CollectionHandle<T>,
+		owner: &T::CrossAccountId,
+		data: CreateItemData,
+	) -> DispatchResult {
+		match data {
+			CreateItemData::NFT(data) => {
+				let item = NftItemType {
+					owner: owner.clone(),
+					const_data: data.const_data,
+					variable_data: data.variable_data,
+				};
 
-                Self::add_nft_item(collection, item)?;
-            },
-            CreateItemData::Fungible(data) => {
-                Self::add_fungible_item(collection, &owner, data.value)?;
-            },
-            CreateItemData::ReFungible(data) => {
-                let mut owner_list = Vec::new();
-                owner_list.push(Ownership {owner: owner.clone(), fraction: data.pieces});
+				Self::add_nft_item(collection, item)?;
+			}
+			CreateItemData::Fungible(data) => {
+				Self::add_fungible_item(collection, owner, data.value)?;
+			}
+			CreateItemData::ReFungible(data) => {
+				let owner_list = vec![Ownership {
+					owner: owner.clone(),
+					fraction: data.pieces,
+				}];
 
-                let item = ReFungibleItemType {
-                    owner: owner_list,
-                    const_data: data.const_data,
-                    variable_data: data.variable_data
-                };
+				let item = ReFungibleItemType {
+					owner: owner_list,
+					const_data: data.const_data,
+					variable_data: data.variable_data,
+				};
 
-                Self::add_refungible_item(collection, item)?;
-            }
-        };
+				Self::add_refungible_item(collection, item)?;
+			}
+		};
 
-        Ok(())
-    }
+		Ok(())
+	}
 
-    fn add_fungible_item(collection: &CollectionHandle<T>, owner: &T::CrossAccountId, value: u128) -> DispatchResult {
-        let collection_id = collection.id;
+	fn add_fungible_item(
+		collection: &CollectionHandle<T>,
+		owner: &T::CrossAccountId,
+		value: u128,
+	) -> DispatchResult {
+		let collection_id = collection.id;
 
-        // Does new owner already have an account?
-        let balance: u128 = <FungibleItemList<T>>::get(collection_id, owner.as_sub()).value;
+		// Does new owner already have an account?
+		let balance: u128 = <FungibleItemList<T>>::get(collection_id, owner.as_sub()).value;
 
-        // Mint 
-        let item = FungibleItemType {
-            value: balance.checked_add(value).ok_or(Error::<T>::NumOverflow)?,
-        };
-        <FungibleItemList<T>>::insert(collection_id, owner.as_sub(), item);
+		// Mint
+		let item = FungibleItemType {
+			value: balance.checked_add(value).ok_or(Error::<T>::NumOverflow)?,
+		};
+		<FungibleItemList<T>>::insert(collection_id, owner.as_sub(), item);
 
-        // Update balance
-        let new_balance = <Balance<T>>::get(collection_id, owner.as_sub())
-            .checked_add(value)
-            .ok_or(Error::<T>::NumOverflow)?;
-        <Balance<T>>::insert(collection_id, owner.as_sub(), new_balance);
+		// Update balance
+		let new_balance = <Balance<T>>::get(collection_id, owner.as_sub())
+			.checked_add(value)
+			.ok_or(Error::<T>::NumOverflow)?;
+		<Balance<T>>::insert(collection_id, owner.as_sub(), new_balance);
 
-        Self::deposit_event(RawEvent::ItemCreated(collection_id, 0, owner.clone()));
-        Ok(())
-    }
+		Self::deposit_event(RawEvent::ItemCreated(collection_id, 0, owner.clone()));
+		Ok(())
+	}
 
-    fn add_refungible_item(collection: &CollectionHandle<T>, item: ReFungibleItemType<T::CrossAccountId>) -> DispatchResult {
-        let collection_id = collection.id;
+	fn add_refungible_item(
+		collection: &CollectionHandle<T>,
+		item: ReFungibleItemType<T::CrossAccountId>,
+	) -> DispatchResult {
+		let collection_id = collection.id;
 
-        let current_index = <ItemListIndex>::get(collection_id)
-            .checked_add(1)
-            .ok_or(Error::<T>::NumOverflow)?;
-        let itemcopy = item.clone();
+		let current_index = <ItemListIndex>::get(collection_id)
+			.checked_add(1)
+			.ok_or(Error::<T>::NumOverflow)?;
+		let itemcopy = item.clone();
 
-        ensure!(
-            item.owner.len() == 1,
-            Error::<T>::BadCreateRefungibleCall,
-        );
-        let item_owner = item.owner.first().expect("only one owner is defined");
+		ensure!(item.owner.len() == 1, Error::<T>::BadCreateRefungibleCall,);
+		let item_owner = item.owner.first().expect("only one owner is defined");
 
-        let value = item_owner.fraction;
-        let owner = item_owner.owner.clone();
+		let value = item_owner.fraction;
+		let owner = item_owner.owner.clone();
 
-        Self::add_token_index(collection_id, current_index, &owner)?;
+		Self::add_token_index(collection_id, current_index, &owner)?;
 
-        <ItemListIndex>::insert(collection_id, current_index);
-        <ReFungibleItemList<T>>::insert(collection_id, current_index, itemcopy);
+		<ItemListIndex>::insert(collection_id, current_index);
+		<ReFungibleItemList<T>>::insert(collection_id, current_index, itemcopy);
 
-        // Update balance
-        let new_balance = <Balance<T>>::get(collection_id, owner.as_sub())
-            .checked_add(value)
-            .ok_or(Error::<T>::NumOverflow)?;
-        <Balance<T>>::insert(collection_id, owner.as_sub(), new_balance);
+		// Update balance
+		let new_balance = <Balance<T>>::get(collection_id, owner.as_sub())
+			.checked_add(value)
+			.ok_or(Error::<T>::NumOverflow)?;
+		<Balance<T>>::insert(collection_id, owner.as_sub(), new_balance);
 
-        Self::deposit_event(RawEvent::ItemCreated(collection_id, current_index, owner));
-        Ok(())
-    }
+		Self::deposit_event(RawEvent::ItemCreated(collection_id, current_index, owner));
+		Ok(())
+	}
 
-    fn add_nft_item(collection: &CollectionHandle<T>, item: NftItemType<T::CrossAccountId>) -> DispatchResult {
-        let collection_id = collection.id;
+	fn add_nft_item(
+		collection: &CollectionHandle<T>,
+		item: NftItemType<T::CrossAccountId>,
+	) -> DispatchResult {
+		let collection_id = collection.id;
 
-        let current_index = <ItemListIndex>::get(collection_id)
-            .checked_add(1)
-            .ok_or(Error::<T>::NumOverflow)?;
+		let current_index = <ItemListIndex>::get(collection_id)
+			.checked_add(1)
+			.ok_or(Error::<T>::NumOverflow)?;
 
-        let item_owner = item.owner.clone();
-        Self::add_token_index(collection_id, current_index, &item.owner)?;
+		let item_owner = item.owner.clone();
+		Self::add_token_index(collection_id, current_index, &item.owner)?;
 
-        <ItemListIndex>::insert(collection_id, current_index);
-        <NftItemList<T>>::insert(collection_id, current_index, item);
+		<ItemListIndex>::insert(collection_id, current_index);
+		<NftItemList<T>>::insert(collection_id, current_index, item);
 
-        // Update balance
-        let new_balance = <Balance<T>>::get(collection_id, item_owner.as_sub())
-            .checked_add(1)
-            .ok_or(Error::<T>::NumOverflow)?;
-        <Balance<T>>::insert(collection_id, item_owner.as_sub(), new_balance);
+		// Update balance
+		let new_balance = <Balance<T>>::get(collection_id, item_owner.as_sub())
+			.checked_add(1)
+			.ok_or(Error::<T>::NumOverflow)?;
+		<Balance<T>>::insert(collection_id, item_owner.as_sub(), new_balance);
 
-        collection.log(ERC721Events::Transfer {
-            from: H160::default(),
-            to: *item_owner.as_eth(),
-            token_id: current_index.into(),
-        });
-        Self::deposit_event(RawEvent::ItemCreated(collection_id, current_index, item_owner));
-        Ok(())
-    }
+		collection.log(ERC721Events::Transfer {
+			from: H160::default(),
+			to: *item_owner.as_eth(),
+			token_id: current_index.into(),
+		});
+		Self::deposit_event(RawEvent::ItemCreated(
+			collection_id,
+			current_index,
+			item_owner,
+		));
+		Ok(())
+	}
 
-    fn burn_refungible_item(
-        collection: &CollectionHandle<T>,
-        item_id: TokenId,
-        owner: &T::CrossAccountId,
-    ) -> DispatchResult {
-        let collection_id = collection.id;
+	fn burn_refungible_item(
+		collection: &CollectionHandle<T>,
+		item_id: TokenId,
+		owner: &T::CrossAccountId,
+	) -> DispatchResult {
+		let collection_id = collection.id;
 
-        let mut token = <ReFungibleItemList<T>>::get(collection_id, item_id)
-            .ok_or(Error::<T>::TokenNotFound)?;
-        let rft_balance = token
-            .owner
-            .iter()
-            .find(|&i| i.owner == *owner)
-            .ok_or(Error::<T>::TokenNotFound)?;
-        Self::remove_token_index(collection_id, item_id, owner)?;
+		let mut token = <ReFungibleItemList<T>>::get(collection_id, item_id)
+			.ok_or(Error::<T>::TokenNotFound)?;
+		let rft_balance = token
+			.owner
+			.iter()
+			.find(|&i| i.owner == *owner)
+			.ok_or(Error::<T>::TokenNotFound)?;
+		Self::remove_token_index(collection_id, item_id, owner)?;
 
-        // update balance
-        let new_balance = <Balance<T>>::get(collection_id, rft_balance.owner.as_sub())
-            .checked_sub(rft_balance.fraction)
-            .ok_or(Error::<T>::NumOverflow)?;
-        <Balance<T>>::insert(collection_id, rft_balance.owner.as_sub(), new_balance);
+		// update balance
+		let new_balance = <Balance<T>>::get(collection_id, rft_balance.owner.as_sub())
+			.checked_sub(rft_balance.fraction)
+			.ok_or(Error::<T>::NumOverflow)?;
+		<Balance<T>>::insert(collection_id, rft_balance.owner.as_sub(), new_balance);
 
-        // Re-create owners list with sender removed
-        let index = token
-            .owner
-            .iter()
-            .position(|i| i.owner == *owner)
-            .expect("owned item is exists");
-        token.owner.remove(index);
-        let owner_count = token.owner.len();
+		// Re-create owners list with sender removed
+		let index = token
+			.owner
+			.iter()
+			.position(|i| i.owner == *owner)
+			.expect("owned item is exists");
+		token.owner.remove(index);
+		let owner_count = token.owner.len();
 
-        // Burn the token completely if this was the last (only) owner
-        if owner_count == 0 {
-            <ReFungibleItemList<T>>::remove(collection_id, item_id);
-            <VariableMetaDataBasket<T>>::remove(collection_id, item_id);
-        }
-        else {
-            <ReFungibleItemList<T>>::insert(collection_id, item_id, token);
-        }
+		// Burn the token completely if this was the last (only) owner
+		if owner_count == 0 {
+			<ReFungibleItemList<T>>::remove(collection_id, item_id);
+			<VariableMetaDataBasket<T>>::remove(collection_id, item_id);
+		} else {
+			<ReFungibleItemList<T>>::insert(collection_id, item_id, token);
+		}
 
-        Ok(())
-    }
+		Ok(())
+	}
 
-    fn burn_nft_item(collection: &CollectionHandle<T>, item_id: TokenId) -> DispatchResult {
-        let collection_id = collection.id;
+	fn burn_nft_item(collection: &CollectionHandle<T>, item_id: TokenId) -> DispatchResult {
+		let collection_id = collection.id;
 
-        let item = <NftItemList<T>>::get(collection_id, item_id)
-            .ok_or(Error::<T>::TokenNotFound)?;
-        Self::remove_token_index(collection_id, item_id, &item.owner)?;
+		let item =
+			<NftItemList<T>>::get(collection_id, item_id).ok_or(Error::<T>::TokenNotFound)?;
+		Self::remove_token_index(collection_id, item_id, &item.owner)?;
 
-        // update balance
-        let new_balance = <Balance<T>>::get(collection_id, item.owner.as_sub())
-            .checked_sub(1)
-            .ok_or(Error::<T>::NumOverflow)?;
-        <Balance<T>>::insert(collection_id, item.owner.as_sub(), new_balance);
-        <NftItemList<T>>::remove(collection_id, item_id);
-        <VariableMetaDataBasket<T>>::remove(collection_id, item_id);
+		// update balance
+		let new_balance = <Balance<T>>::get(collection_id, item.owner.as_sub())
+			.checked_sub(1)
+			.ok_or(Error::<T>::NumOverflow)?;
+		<Balance<T>>::insert(collection_id, item.owner.as_sub(), new_balance);
+		<NftItemList<T>>::remove(collection_id, item_id);
+		<VariableMetaDataBasket<T>>::remove(collection_id, item_id);
 
-        Self::deposit_event(RawEvent::ItemDestroyed(collection.id, item_id));
-        Ok(())
-    }
+		Self::deposit_event(RawEvent::ItemDestroyed(collection.id, item_id));
+		Ok(())
+	}
 
-    fn burn_fungible_item(owner: &T::CrossAccountId, collection: &CollectionHandle<T>, value: u128) -> DispatchResult {
-        let collection_id = collection.id;
+	fn burn_fungible_item(
+		owner: &T::CrossAccountId,
+		collection: &CollectionHandle<T>,
+		value: u128,
+	) -> DispatchResult {
+		let collection_id = collection.id;
 
-        let mut balance = <FungibleItemList<T>>::get(collection_id, owner.as_sub());
-        ensure!(balance.value >= value, Error::<T>::TokenValueNotEnough);
+		let mut balance = <FungibleItemList<T>>::get(collection_id, owner.as_sub());
+		ensure!(balance.value >= value, Error::<T>::TokenValueNotEnough);
 
-        // update balance
-        let new_balance = <Balance<T>>::get(collection_id, owner.as_sub())
-            .checked_sub(value)
-            .ok_or(Error::<T>::NumOverflow)?;
-        <Balance<T>>::insert(collection_id, owner.as_sub(), new_balance);
+		// update balance
+		let new_balance = <Balance<T>>::get(collection_id, owner.as_sub())
+			.checked_sub(value)
+			.ok_or(Error::<T>::NumOverflow)?;
+		<Balance<T>>::insert(collection_id, owner.as_sub(), new_balance);
 
-        if balance.value - value > 0 {
-            balance.value -= value;
-            <FungibleItemList<T>>::insert(collection_id, owner.as_sub(), balance);
-        }
-        else {
-            <FungibleItemList<T>>::remove(collection_id, owner.as_sub());
-        }
+		if balance.value - value > 0 {
+			balance.value -= value;
+			<FungibleItemList<T>>::insert(collection_id, owner.as_sub(), balance);
+		} else {
+			<FungibleItemList<T>>::remove(collection_id, owner.as_sub());
+		}
 
-        collection.log(ERC20Events::Transfer {
-            from: *owner.as_eth(),
-            to: H160::default(),
-            value: value.into(),
-        });
-        Ok(())
-    }
+		collection.log(ERC20Events::Transfer {
+			from: *owner.as_eth(),
+			to: H160::default(),
+			value: value.into(),
+		});
+		Ok(())
+	}
 
-    pub fn get_collection(collection_id: CollectionId) -> Result<CollectionHandle<T>, sp_runtime::DispatchError> {
-        Ok(<CollectionHandle<T>>::get(collection_id)
-            .ok_or(Error::<T>::CollectionNotFound)?)
-    }
+	pub fn get_collection(
+		collection_id: CollectionId,
+	) -> Result<CollectionHandle<T>, sp_runtime::DispatchError> {
+		Ok(<CollectionHandle<T>>::get(collection_id).ok_or(Error::<T>::CollectionNotFound)?)
+	}
 
-    fn save_collection(collection: CollectionHandle<T>) {
-        <CollectionById<T>>::insert(collection.id, collection.into_inner());
-    }
+	fn save_collection(collection: CollectionHandle<T>) {
+		<CollectionById<T>>::insert(collection.id, collection.into_inner());
+	}
 
-    pub fn submit_logs(collection: CollectionHandle<T>) -> DispatchResult {
-        if collection.logs.is_empty() {
-            return Ok(())
-        }
-        T::EthereumTransactionSender::submit_logs_transaction(
-            eth::generate_transaction(collection.id, T::EthereumChainId::get()),
-            collection.logs.retrieve_logs(),
-        )
-    }
+	pub fn submit_logs(collection: CollectionHandle<T>) -> DispatchResult {
+		if collection.logs.is_empty() {
+			return Ok(());
+		}
+		T::EthereumTransactionSender::submit_logs_transaction(
+			eth::generate_transaction(collection.id, T::EthereumChainId::get()),
+			collection.logs.retrieve_logs(),
+		)
+	}
 
-    fn check_owner_permissions(target_collection: &CollectionHandle<T>, subject: &T::AccountId) -> DispatchResult {
-        ensure!(
-            *subject == target_collection.owner,
-            Error::<T>::NoPermission
-        );
+	fn check_owner_permissions(
+		target_collection: &CollectionHandle<T>,
+		subject: &T::AccountId,
+	) -> DispatchResult {
+		ensure!(
+			*subject == target_collection.owner,
+			Error::<T>::NoPermission
+		);
 
-        Ok(())
-    }
+		Ok(())
+	}
 
-    fn is_owner_or_admin_permissions(collection: &CollectionHandle<T>, subject: &T::CrossAccountId) -> bool {
-        *subject.as_sub() == collection.owner || <AdminList<T>>::get(collection.id).contains(&subject)
-    }
+	fn is_owner_or_admin_permissions(
+		collection: &CollectionHandle<T>,
+		subject: &T::CrossAccountId,
+	) -> bool {
+		*subject.as_sub() == collection.owner
+			|| <AdminList<T>>::get(collection.id).contains(subject)
+	}
 
-    fn check_owner_or_admin_permissions(
-        collection: &CollectionHandle<T>,
-        subject: &T::CrossAccountId,
-    ) -> DispatchResult {
-        ensure!(Self::is_owner_or_admin_permissions(collection, subject), Error::<T>::NoPermission);
+	fn check_owner_or_admin_permissions(
+		collection: &CollectionHandle<T>,
+		subject: &T::CrossAccountId,
+	) -> DispatchResult {
+		ensure!(
+			Self::is_owner_or_admin_permissions(collection, subject),
+			Error::<T>::NoPermission
+		);
 
-        Ok(())
-    }
+		Ok(())
+	}
 
-    fn owned_amount(
-        subject: &T::CrossAccountId,
-        target_collection: &CollectionHandle<T>,
-        item_id: TokenId,
-    ) -> Option<u128> {
-        let collection_id = target_collection.id;
+	fn owned_amount(
+		subject: &T::CrossAccountId,
+		target_collection: &CollectionHandle<T>,
+		item_id: TokenId,
+	) -> Option<u128> {
+		let collection_id = target_collection.id;
 
-        match target_collection.mode {
-            CollectionMode::NFT => (<NftItemList<T>>::get(collection_id, item_id)?.owner == *subject)
-                .then(|| 1),
-            CollectionMode::Fungible(_) => Some(<FungibleItemList<T>>::get(collection_id, &subject.as_sub())
-                .value),
-            CollectionMode::ReFungible => <ReFungibleItemList<T>>::get(collection_id, item_id)?
-                .owner
-                .iter()
-                .find(|i| i.owner == *subject)
-                .map(|i| i.fraction),
-            CollectionMode::Invalid => None,
-        }
-    }
+		match target_collection.mode {
+			CollectionMode::NFT => {
+				(<NftItemList<T>>::get(collection_id, item_id)?.owner == *subject).then(|| 1)
+			}
+			CollectionMode::Fungible(_) => {
+				Some(<FungibleItemList<T>>::get(collection_id, &subject.as_sub()).value)
+			}
+			CollectionMode::ReFungible => <ReFungibleItemList<T>>::get(collection_id, item_id)?
+				.owner
+				.iter()
+				.find(|i| i.owner == *subject)
+				.map(|i| i.fraction),
+			CollectionMode::Invalid => None,
+		}
+	}
 
-    fn is_item_owner(subject: &T::CrossAccountId, target_collection: &CollectionHandle<T>, item_id: TokenId) -> bool {
-        match target_collection.mode {
-            CollectionMode::Fungible(_) => true,
-            _ => Self::owned_amount(&subject, target_collection, item_id).is_some(),
-        }
-    }
+	fn is_item_owner(
+		subject: &T::CrossAccountId,
+		target_collection: &CollectionHandle<T>,
+		item_id: TokenId,
+	) -> bool {
+		match target_collection.mode {
+			CollectionMode::Fungible(_) => true,
+			_ => Self::owned_amount(subject, target_collection, item_id).is_some(),
+		}
+	}
 
-    fn check_white_list(collection: &CollectionHandle<T>, address: &T::CrossAccountId) -> DispatchResult {
-        let collection_id = collection.id;
+	fn check_white_list(
+		collection: &CollectionHandle<T>,
+		address: &T::CrossAccountId,
+	) -> DispatchResult {
+		let collection_id = collection.id;
 
-        let mes = Error::<T>::AddresNotInWhiteList;
-        ensure!(<WhiteList<T>>::contains_key(collection_id, address.as_sub()), mes);
+		let mes = Error::<T>::AddresNotInWhiteList;
+		ensure!(
+			<WhiteList<T>>::contains_key(collection_id, address.as_sub()),
+			mes
+		);
 
-        Ok(())
-    }
+		Ok(())
+	}
 
-    /// Check if token exists. In case of Fungible, check if there is an entry for 
-    /// the owner in fungible balances double map
-    fn token_exists(
-        target_collection: &CollectionHandle<T>,
-        item_id: TokenId,
-    ) -> DispatchResult {
-        let collection_id = target_collection.id;
-        let exists = match target_collection.mode
-        {
-            CollectionMode::NFT => <NftItemList<T>>::contains_key(collection_id, item_id),
-            CollectionMode::Fungible(_)  => true,
-            CollectionMode::ReFungible  => <ReFungibleItemList<T>>::contains_key(collection_id, item_id),
-            _ => false
-        };
+	/// Check if token exists. In case of Fungible, check if there is an entry for
+	/// the owner in fungible balances double map
+	fn token_exists(target_collection: &CollectionHandle<T>, item_id: TokenId) -> DispatchResult {
+		let collection_id = target_collection.id;
+		let exists = match target_collection.mode {
+			CollectionMode::NFT => <NftItemList<T>>::contains_key(collection_id, item_id),
+			CollectionMode::Fungible(_) => true,
+			CollectionMode::ReFungible => {
+				<ReFungibleItemList<T>>::contains_key(collection_id, item_id)
+			}
+			_ => false,
+		};
 
-        ensure!(exists == true, Error::<T>::TokenNotFound);
-        Ok(())
-    }
+		ensure!(exists, Error::<T>::TokenNotFound);
+		Ok(())
+	}
 
-    fn transfer_fungible(
-        collection: &CollectionHandle<T>,
-        value: u128,
-        owner: &T::CrossAccountId,
-        recipient: &T::CrossAccountId,
-    ) -> DispatchResult {
-        let collection_id = collection.id;
+	fn transfer_fungible(
+		collection: &CollectionHandle<T>,
+		value: u128,
+		owner: &T::CrossAccountId,
+		recipient: &T::CrossAccountId,
+	) -> DispatchResult {
+		let collection_id = collection.id;
 
-        let mut balance = <FungibleItemList<T>>::get(collection_id, owner.as_sub());
-        ensure!(balance.value >= value, Error::<T>::TokenValueTooLow);
+		let mut balance = <FungibleItemList<T>>::get(collection_id, owner.as_sub());
+		ensure!(balance.value >= value, Error::<T>::TokenValueTooLow);
 
-        // Send balance to recipient (updates balanceOf of recipient)
-        Self::add_fungible_item(collection, recipient, value)?;
+		// Send balance to recipient (updates balanceOf of recipient)
+		Self::add_fungible_item(collection, recipient, value)?;
 
-        // update balanceOf of sender
-        <Balance<T>>::insert(collection_id, owner.as_sub(), balance.value - value);
+		// update balanceOf of sender
+		<Balance<T>>::insert(collection_id, owner.as_sub(), balance.value - value);
 
-        // Reduce or remove sender
-        if balance.value == value {
-            <FungibleItemList<T>>::remove(collection_id, owner.as_sub());
-        }
-        else {
-            balance.value -= value;
-            <FungibleItemList<T>>::insert(collection_id, owner.as_sub(), balance);
-        }
+		// Reduce or remove sender
+		if balance.value == value {
+			<FungibleItemList<T>>::remove(collection_id, owner.as_sub());
+		} else {
+			balance.value -= value;
+			<FungibleItemList<T>>::insert(collection_id, owner.as_sub(), balance);
+		}
 
-        collection.log(ERC20Events::Transfer {
-            from: *owner.as_eth(),
-            to: *recipient.as_eth(),
-            value: value.into(),
-        });
-        Self::deposit_event(RawEvent::Transfer(collection.id, 1, owner.clone(), recipient.clone(), value));
+		collection.log(ERC20Events::Transfer {
+			from: *owner.as_eth(),
+			to: *recipient.as_eth(),
+			value: value.into(),
+		});
+		Self::deposit_event(RawEvent::Transfer(
+			collection.id,
+			1,
+			owner.clone(),
+			recipient.clone(),
+			value,
+		));
 
-        Ok(())
-    }
+		Ok(())
+	}
 
-    fn transfer_refungible(
-        collection: &CollectionHandle<T>,
-        item_id: TokenId,
-        value: u128,
-        owner: T::CrossAccountId,
-        new_owner: T::CrossAccountId,
-    ) -> DispatchResult {
-        let collection_id = collection.id;
-        let full_item = <ReFungibleItemList<T>>::get(collection_id, item_id)
-            .ok_or(Error::<T>::TokenNotFound)?;
+	fn transfer_refungible(
+		collection: &CollectionHandle<T>,
+		item_id: TokenId,
+		value: u128,
+		owner: T::CrossAccountId,
+		new_owner: T::CrossAccountId,
+	) -> DispatchResult {
+		let collection_id = collection.id;
+		let full_item = <ReFungibleItemList<T>>::get(collection_id, item_id)
+			.ok_or(Error::<T>::TokenNotFound)?;
 
-        let item = full_item
-            .owner
-            .iter()
-            .filter(|i| i.owner == owner)
-            .next()
-            .ok_or(Error::<T>::TokenNotFound)?;
-        let amount = item.fraction;
+		let item = full_item
+			.owner
+			.iter()
+			.find(|i| i.owner == owner)
+			.ok_or(Error::<T>::TokenNotFound)?;
+		let amount = item.fraction;
 
-        ensure!(amount >= value, Error::<T>::TokenValueTooLow);
+		ensure!(amount >= value, Error::<T>::TokenValueTooLow);
 
-        // update balance
-        let balance_old_owner = <Balance<T>>::get(collection_id, item.owner.as_sub())
-            .checked_sub(value)
-            .ok_or(Error::<T>::NumOverflow)?;
-        <Balance<T>>::insert(collection_id, item.owner.as_sub(), balance_old_owner);
+		// update balance
+		let balance_old_owner = <Balance<T>>::get(collection_id, item.owner.as_sub())
+			.checked_sub(value)
+			.ok_or(Error::<T>::NumOverflow)?;
+		<Balance<T>>::insert(collection_id, item.owner.as_sub(), balance_old_owner);
 
-        let balance_new_owner = <Balance<T>>::get(collection_id, new_owner.as_sub())
-            .checked_add(value)
-            .ok_or(Error::<T>::NumOverflow)?;
-        <Balance<T>>::insert(collection_id, new_owner.as_sub(), balance_new_owner);
+		let balance_new_owner = <Balance<T>>::get(collection_id, new_owner.as_sub())
+			.checked_add(value)
+			.ok_or(Error::<T>::NumOverflow)?;
+		<Balance<T>>::insert(collection_id, new_owner.as_sub(), balance_new_owner);
 
-        let old_owner = item.owner.clone();
-        let new_owner_has_account = full_item.owner.iter().any(|i| i.owner == new_owner);
+		let old_owner = item.owner.clone();
+		let new_owner_has_account = full_item.owner.iter().any(|i| i.owner == new_owner);
 
-        // transfer
-        if amount == value && !new_owner_has_account {
-            // change owner
-            // new owner do not have account
-            let mut new_full_item = full_item.clone();
-            new_full_item
-                .owner
-                .iter_mut()
-                .find(|i| i.owner == owner)
-                .expect("old owner does present in refungible")
-                .owner = new_owner.clone();
-            <ReFungibleItemList<T>>::insert(collection_id, item_id, new_full_item);
+		let mut new_full_item = full_item.clone();
+		// transfer
+		if amount == value && !new_owner_has_account {
+			// change owner
+			// new owner do not have account
+			new_full_item
+				.owner
+				.iter_mut()
+				.find(|i| i.owner == owner)
+				.expect("old owner does present in refungible")
+				.owner = new_owner.clone();
+			<ReFungibleItemList<T>>::insert(collection_id, item_id, new_full_item);
 
-            // update index collection
-            Self::move_token_index(collection_id, item_id, &old_owner, &new_owner)?;
-        } else {
-            let mut new_full_item = full_item.clone();
-            new_full_item
-                .owner
-                .iter_mut()
-                .find(|i| i.owner == owner)
-                .expect("old owner does present in refungible")
-                .fraction -= value;
+			// update index collection
+			Self::move_token_index(collection_id, item_id, &old_owner, &new_owner)?;
+		} else {
+			new_full_item
+				.owner
+				.iter_mut()
+				.find(|i| i.owner == owner)
+				.expect("old owner does present in refungible")
+				.fraction -= value;
 
-            // separate amount
-            if new_owner_has_account {
-                // new owner has account
-                new_full_item
-                    .owner
-                    .iter_mut()
-                    .find(|i| i.owner == new_owner)
-                    .expect("new owner has account")
-                    .fraction += value;
-            } else {
-                // new owner do not have account
-                new_full_item.owner.push(Ownership {
-                    owner: new_owner.clone(),
-                    fraction: value,
-                });
-                Self::add_token_index(collection_id, item_id, &new_owner)?;
-            }
+			// separate amount
+			if new_owner_has_account {
+				// new owner has account
+				new_full_item
+					.owner
+					.iter_mut()
+					.find(|i| i.owner == new_owner)
+					.expect("new owner has account")
+					.fraction += value;
+			} else {
+				// new owner do not have account
+				new_full_item.owner.push(Ownership {
+					owner: new_owner.clone(),
+					fraction: value,
+				});
+				Self::add_token_index(collection_id, item_id, &new_owner)?;
+			}
 
-            <ReFungibleItemList<T>>::insert(collection_id, item_id, new_full_item);
-        }
+			<ReFungibleItemList<T>>::insert(collection_id, item_id, new_full_item);
+		}
 
-        Self::deposit_event(RawEvent::Transfer(collection.id, item_id, owner, new_owner, amount));
+		Self::deposit_event(RawEvent::Transfer(
+			collection.id,
+			item_id,
+			owner,
+			new_owner,
+			amount,
+		));
 
-        Ok(())
-    }
+		Ok(())
+	}
 
-    fn transfer_nft(
-        collection: &CollectionHandle<T>,
-        item_id: TokenId,
-        sender: T::CrossAccountId,
-        new_owner: T::CrossAccountId,
-    ) -> DispatchResult {
-        let collection_id = collection.id;
-        let mut item = <NftItemList<T>>::get(collection_id, item_id)
-            .ok_or(Error::<T>::TokenNotFound)?;
+	fn transfer_nft(
+		collection: &CollectionHandle<T>,
+		item_id: TokenId,
+		sender: T::CrossAccountId,
+		new_owner: T::CrossAccountId,
+	) -> DispatchResult {
+		let collection_id = collection.id;
+		let mut item =
+			<NftItemList<T>>::get(collection_id, item_id).ok_or(Error::<T>::TokenNotFound)?;
 
-        ensure!(
-            sender == item.owner,
-            Error::<T>::MustBeTokenOwner
-        );
+		ensure!(sender == item.owner, Error::<T>::MustBeTokenOwner);
 
-        // update balance
-        let balance_old_owner = <Balance<T>>::get(collection_id, item.owner.as_sub())
-            .checked_sub(1)
-            .ok_or(Error::<T>::NumOverflow)?;
-        <Balance<T>>::insert(collection_id, item.owner.as_sub(), balance_old_owner);
+		// update balance
+		let balance_old_owner = <Balance<T>>::get(collection_id, item.owner.as_sub())
+			.checked_sub(1)
+			.ok_or(Error::<T>::NumOverflow)?;
+		<Balance<T>>::insert(collection_id, item.owner.as_sub(), balance_old_owner);
 
-        let balance_new_owner = <Balance<T>>::get(collection_id, new_owner.as_sub())
-            .checked_add(1)
-            .ok_or(Error::<T>::NumOverflow)?;
-        <Balance<T>>::insert(collection_id, new_owner.as_sub(), balance_new_owner);
+		let balance_new_owner = <Balance<T>>::get(collection_id, new_owner.as_sub())
+			.checked_add(1)
+			.ok_or(Error::<T>::NumOverflow)?;
+		<Balance<T>>::insert(collection_id, new_owner.as_sub(), balance_new_owner);
 
-        // change owner
-        let old_owner = item.owner.clone();
-        item.owner = new_owner.clone();
-        <NftItemList<T>>::insert(collection_id, item_id, item);
+		// change owner
+		let old_owner = item.owner.clone();
+		item.owner = new_owner.clone();
+		<NftItemList<T>>::insert(collection_id, item_id, item);
 
-        // update index collection
-        Self::move_token_index(collection_id, item_id, &old_owner, &new_owner)?;
+		// update index collection
+		Self::move_token_index(collection_id, item_id, &old_owner, &new_owner)?;
 
-        collection.log(ERC721Events::Transfer {
-            from: *sender.as_eth(),
-            to: *new_owner.as_eth(),
-            token_id: item_id.into(),
-        });
-        Self::deposit_event(RawEvent::Transfer(collection.id, item_id, sender, new_owner, 1));
+		collection.log(ERC721Events::Transfer {
+			from: *sender.as_eth(),
+			to: *new_owner.as_eth(),
+			token_id: item_id.into(),
+		});
+		Self::deposit_event(RawEvent::Transfer(
+			collection.id,
+			item_id,
+			sender,
+			new_owner,
+			1,
+		));
 
-        Ok(())
-    }
-    
-    fn set_re_fungible_variable_data(
-        collection: &CollectionHandle<T>,
-        item_id: TokenId,
-        data: Vec<u8>
-    ) -> DispatchResult {
-        let collection_id = collection.id;
-        let mut item = <ReFungibleItemList<T>>::get(collection_id, item_id)
-            .ok_or(Error::<T>::TokenNotFound)?;
+		Ok(())
+	}
 
-        item.variable_data = data;
+	fn set_re_fungible_variable_data(
+		collection: &CollectionHandle<T>,
+		item_id: TokenId,
+		data: Vec<u8>,
+	) -> DispatchResult {
+		let collection_id = collection.id;
+		let mut item = <ReFungibleItemList<T>>::get(collection_id, item_id)
+			.ok_or(Error::<T>::TokenNotFound)?;
 
-        <ReFungibleItemList<T>>::insert(collection_id, item_id, item);
+		item.variable_data = data;
 
-        Ok(())
-    }
+		<ReFungibleItemList<T>>::insert(collection_id, item_id, item);
 
-    fn set_nft_variable_data(
-        collection: &CollectionHandle<T>,
-        item_id: TokenId,
-        data: Vec<u8>
-    ) -> DispatchResult {
-        let collection_id = collection.id;
-        let mut item = <NftItemList<T>>::get(collection_id, item_id)
-            .ok_or(Error::<T>::TokenNotFound)?;
-        
-        item.variable_data = data;
+		Ok(())
+	}
 
-        <NftItemList<T>>::insert(collection_id, item_id, item);
-        
-        Ok(())
-    }
+	fn set_nft_variable_data(
+		collection: &CollectionHandle<T>,
+		item_id: TokenId,
+		data: Vec<u8>,
+	) -> DispatchResult {
+		let collection_id = collection.id;
+		let mut item =
+			<NftItemList<T>>::get(collection_id, item_id).ok_or(Error::<T>::TokenNotFound)?;
 
-    #[allow(dead_code)]
-    fn init_collection(item: &Collection<T>) {
-        // check params
-        assert!(
-            item.decimal_points <= MAX_DECIMAL_POINTS,
-            "decimal_points parameter must be lower than MAX_DECIMAL_POINTS"
-        );
-        assert!(
-            item.name.len() <= 64,
-            "Collection name can not be longer than 63 char"
-        );
-        assert!(
-            item.name.len() <= 256,
-            "Collection description can not be longer than 255 char"
-        );
-        assert!(
-            item.token_prefix.len() <= 16,
-            "Token prefix can not be longer than 15 char"
-        );
+		item.variable_data = data;
 
-        // Generate next collection ID
-        let next_id = CreatedCollectionCount::get()
-            .checked_add(1)
-            .unwrap();
+		<NftItemList<T>>::insert(collection_id, item_id, item);
 
-        CreatedCollectionCount::put(next_id);
-    }
+		Ok(())
+	}
 
-    #[allow(dead_code)]
-    fn init_nft_token(collection_id: CollectionId, item: &NftItemType<T::CrossAccountId>) {
-        let current_index = <ItemListIndex>::get(collection_id)
-            .checked_add(1)
-            .unwrap();
+	#[allow(dead_code)]
+	fn init_collection(item: &Collection<T>) {
+		// check params
+		assert!(
+			item.decimal_points <= MAX_DECIMAL_POINTS,
+			"decimal_points parameter must be lower than MAX_DECIMAL_POINTS"
+		);
+		assert!(
+			item.name.len() <= 64,
+			"Collection name can not be longer than 63 char"
+		);
+		assert!(
+			item.name.len() <= 256,
+			"Collection description can not be longer than 255 char"
+		);
+		assert!(
+			item.token_prefix.len() <= 16,
+			"Token prefix can not be longer than 15 char"
+		);
 
-        Self::add_token_index(collection_id, current_index, &item.owner).unwrap();
+		// Generate next collection ID
+		let next_id = CreatedCollectionCount::get().checked_add(1).unwrap();
 
-        <ItemListIndex>::insert(collection_id, current_index);
+		CreatedCollectionCount::put(next_id);
+	}
 
-        // Update balance
-        let new_balance = <Balance<T>>::get(collection_id, item.owner.as_sub())
-            .checked_add(1)
-            .unwrap();
-        <Balance<T>>::insert(collection_id, item.owner.as_sub(), new_balance);
-    }
+	#[allow(dead_code)]
+	fn init_nft_token(collection_id: CollectionId, item: &NftItemType<T::CrossAccountId>) {
+		let current_index = <ItemListIndex>::get(collection_id).checked_add(1).unwrap();
 
-    #[allow(dead_code)]
-    fn init_fungible_token(collection_id: CollectionId, owner: &T::CrossAccountId, item: &FungibleItemType) {
-        let current_index = <ItemListIndex>::get(collection_id)
-            .checked_add(1)
-            .unwrap();
+		Self::add_token_index(collection_id, current_index, &item.owner).unwrap();
 
-        Self::add_token_index(collection_id, current_index, owner).unwrap();
+		<ItemListIndex>::insert(collection_id, current_index);
 
-        <ItemListIndex>::insert(collection_id, current_index);
+		// Update balance
+		let new_balance = <Balance<T>>::get(collection_id, item.owner.as_sub())
+			.checked_add(1)
+			.unwrap();
+		<Balance<T>>::insert(collection_id, item.owner.as_sub(), new_balance);
+	}
 
-        // Update balance
-        let new_balance = <Balance<T>>::get(collection_id, owner.as_sub())
-            .checked_add(item.value)
-            .unwrap();
-        <Balance<T>>::insert(collection_id, owner.as_sub(), new_balance);
-    }
+	#[allow(dead_code)]
+	fn init_fungible_token(
+		collection_id: CollectionId,
+		owner: &T::CrossAccountId,
+		item: &FungibleItemType,
+	) {
+		let current_index = <ItemListIndex>::get(collection_id).checked_add(1).unwrap();
 
-    #[allow(dead_code)]
-    fn init_refungible_token(collection_id: CollectionId, item: &ReFungibleItemType<T::CrossAccountId>) {
-        let current_index = <ItemListIndex>::get(collection_id)
-            .checked_add(1)
-            .unwrap();
+		Self::add_token_index(collection_id, current_index, owner).unwrap();
 
-        let value = item.owner.first().unwrap().fraction;
-        let owner = item.owner.first().unwrap().owner.clone();
+		<ItemListIndex>::insert(collection_id, current_index);
 
-        Self::add_token_index(collection_id, current_index, &owner).unwrap();
+		// Update balance
+		let new_balance = <Balance<T>>::get(collection_id, owner.as_sub())
+			.checked_add(item.value)
+			.unwrap();
+		<Balance<T>>::insert(collection_id, owner.as_sub(), new_balance);
+	}
 
-        <ItemListIndex>::insert(collection_id, current_index);
+	#[allow(dead_code)]
+	fn init_refungible_token(
+		collection_id: CollectionId,
+		item: &ReFungibleItemType<T::CrossAccountId>,
+	) {
+		let current_index = <ItemListIndex>::get(collection_id).checked_add(1).unwrap();
 
-        // Update balance
-        let new_balance = <Balance<T>>::get(collection_id, &owner.as_sub())
-            .checked_add(value)
-            .unwrap();
-        <Balance<T>>::insert(collection_id, owner.as_sub(), new_balance);
-    }
+		let value = item.owner.first().unwrap().fraction;
+		let owner = item.owner.first().unwrap().owner.clone();
 
-    fn add_token_index(collection_id: CollectionId, item_index: TokenId, owner: &T::CrossAccountId) -> DispatchResult {
-        // add to account limit
-        if <AccountItemCount<T>>::contains_key(owner.as_sub()) {
+		Self::add_token_index(collection_id, current_index, &owner).unwrap();
 
-            // bound Owned tokens by a single address
-            let count = <AccountItemCount<T>>::get(owner.as_sub());
-            ensure!(count < ChainLimit::get().account_token_ownership_limit, Error::<T>::AddressOwnershipLimitExceeded);
+		<ItemListIndex>::insert(collection_id, current_index);
 
-            <AccountItemCount<T>>::insert(owner.as_sub(), count
-                .checked_add(1)
-                .ok_or(Error::<T>::NumOverflow)?);
-        }
-        else {
-            <AccountItemCount<T>>::insert(owner.as_sub(), 1);
-        }
+		// Update balance
+		let new_balance = <Balance<T>>::get(collection_id, &owner.as_sub())
+			.checked_add(value)
+			.unwrap();
+		<Balance<T>>::insert(collection_id, owner.as_sub(), new_balance);
+	}
 
-        let list_exists = <AddressTokens<T>>::contains_key(collection_id, owner.as_sub());
-        if list_exists {
-            let mut list = <AddressTokens<T>>::get(collection_id, owner.as_sub());
-            let item_contains = list.contains(&item_index.clone());
+	fn add_token_index(
+		collection_id: CollectionId,
+		item_index: TokenId,
+		owner: &T::CrossAccountId,
+	) -> DispatchResult {
+		// add to account limit
+		if <AccountItemCount<T>>::contains_key(owner.as_sub()) {
+			// bound Owned tokens by a single address
+			let count = <AccountItemCount<T>>::get(owner.as_sub());
+			ensure!(
+				count < ChainLimit::get().account_token_ownership_limit,
+				Error::<T>::AddressOwnershipLimitExceeded
+			);
 
-            if !item_contains {
-                list.push(item_index.clone());
-            }
+			<AccountItemCount<T>>::insert(
+				owner.as_sub(),
+				count.checked_add(1).ok_or(Error::<T>::NumOverflow)?,
+			);
+		} else {
+			<AccountItemCount<T>>::insert(owner.as_sub(), 1);
+		}
 
-            <AddressTokens<T>>::insert(collection_id, owner.as_sub(), list);
-        } else {
-            let mut itm = Vec::new();
-            itm.push(item_index.clone());
-            <AddressTokens<T>>::insert(collection_id, owner.as_sub(), itm);
-        }
+		let list_exists = <AddressTokens<T>>::contains_key(collection_id, owner.as_sub());
+		if list_exists {
+			let mut list = <AddressTokens<T>>::get(collection_id, owner.as_sub());
+			let item_contains = list.contains(&item_index.clone());
 
-        Ok(())
-    }
+			if !item_contains {
+				list.push(item_index);
+			}
 
-    fn remove_token_index(
-        collection_id: CollectionId,
-        item_index: TokenId,
-        owner: &T::CrossAccountId,
-    ) -> DispatchResult {
+			<AddressTokens<T>>::insert(collection_id, owner.as_sub(), list);
+		} else {
+			let itm = vec![item_index];
+			<AddressTokens<T>>::insert(collection_id, owner.as_sub(), itm);
+		}
 
-        // update counter
-        <AccountItemCount<T>>::insert(owner.as_sub(), 
-            <AccountItemCount<T>>::get(owner.as_sub())
-            .checked_sub(1)
-            .ok_or(Error::<T>::NumOverflow)?);
+		Ok(())
+	}
 
+	fn remove_token_index(
+		collection_id: CollectionId,
+		item_index: TokenId,
+		owner: &T::CrossAccountId,
+	) -> DispatchResult {
+		// update counter
+		<AccountItemCount<T>>::insert(
+			owner.as_sub(),
+			<AccountItemCount<T>>::get(owner.as_sub())
+				.checked_sub(1)
+				.ok_or(Error::<T>::NumOverflow)?,
+		);
 
-        let list_exists = <AddressTokens<T>>::contains_key(collection_id, owner.as_sub());
-        if list_exists {
-            let mut list = <AddressTokens<T>>::get(collection_id, owner.as_sub());
-            let item_contains = list.contains(&item_index.clone());
+		let list_exists = <AddressTokens<T>>::contains_key(collection_id, owner.as_sub());
+		if list_exists {
+			let mut list = <AddressTokens<T>>::get(collection_id, owner.as_sub());
+			let item_contains = list.contains(&item_index.clone());
 
-            if item_contains {
-                list.retain(|&item| item != item_index);
-                <AddressTokens<T>>::insert(collection_id, owner.as_sub(), list);
-            }
-        }
+			if item_contains {
+				list.retain(|&item| item != item_index);
+				<AddressTokens<T>>::insert(collection_id, owner.as_sub(), list);
+			}
+		}
 
-        Ok(())
-    }
+		Ok(())
+	}
 
-    fn move_token_index(
-        collection_id: CollectionId,
-        item_index: TokenId,
-        old_owner: &T::CrossAccountId,
-        new_owner: &T::CrossAccountId,
-    ) -> DispatchResult {
-        Self::remove_token_index(collection_id, item_index, old_owner)?;
-        Self::add_token_index(collection_id, item_index, new_owner)?;
+	fn move_token_index(
+		collection_id: CollectionId,
+		item_index: TokenId,
+		old_owner: &T::CrossAccountId,
+		new_owner: &T::CrossAccountId,
+	) -> DispatchResult {
+		Self::remove_token_index(collection_id, item_index, old_owner)?;
+		Self::add_token_index(collection_id, item_index, new_owner)?;
 
-        Ok(())
-    }
+		Ok(())
+	}
 }
 
 sp_api::decl_runtime_apis! {
-    pub trait NftApi {
-        /// Used for ethereum integration
-        fn eth_contract_code(account: H160) -> Option<Vec<u8>>;
-    }
-}
\ No newline at end of file
+	pub trait NftApi {
+		/// Used for ethereum integration
+		fn eth_contract_code(account: H160) -> Option<Vec<u8>>;
+	}
+}
modifiedpallets/nft/src/mock.rsdiffbeforeafterboth
--- a/pallets/nft/src/mock.rs
+++ b/pallets/nft/src/mock.rs
@@ -1,19 +1,21 @@
+#![allow(clippy::from_over_into)]
+
 use crate as pallet_template;
 use sp_core::H256;
-use frame_support::{ 
-	parameter_types,
-	weights::IdentityFee,
-};
+use frame_support::{parameter_types, weights::IdentityFee};
 use sp_runtime::{
-	traits::{BlakeTwo256, IdentityLookup}, 
-	testing::Header, 
+	traits::{BlakeTwo256, IdentityLookup},
+	testing::Header,
 	Perbill,
 };
-use pallet_transaction_payment::{ CurrencyAdapter};
+use pallet_transaction_payment::{CurrencyAdapter};
 use frame_system as system;
+use pallet_evm::AddressMapping;
+use crate::{EvmBackwardsAddressMapping, CrossAccountId};
+use codec::{Encode, Decode};
 
 type UncheckedExtrinsic = frame_system::mocking::MockUncheckedExtrinsic<Test>;
-type Block = frame_system::mocking::MockBlock<Test>; 
+type Block = frame_system::mocking::MockBlock<Test>;
 
 // Configure a mock runtime to test the pallet.
 frame_support::construct_runtime!(
@@ -22,9 +24,9 @@
 		NodeBlock = Block,
 		UncheckedExtrinsic = UncheckedExtrinsic,
 	{
-		System: frame_system::{Module, Call, Config, Storage, Event<T>},
-		TemplateModule: pallet_template::{Module, Call, Storage},
-		Balances: pallet_balances::{Module, Call, Storage},
+		System: frame_system::{Pallet, Call, Config, Storage, Event<T>},
+		TemplateModule: pallet_template::{Pallet, Call, Storage},
+		Balances: pallet_balances::{Pallet, Call, Storage},
 	}
 );
 
@@ -56,6 +58,7 @@
 	type OnKilledAccount = ();
 	type SystemWeightInfo = ();
 	type SS58Prefix = SS58Prefix;
+	type OnSetCode = ();
 }
 
 parameter_types! {
@@ -64,10 +67,10 @@
 }
 //frame_system::Module<Test>;
 impl pallet_balances::Config for Test {
-    type AccountStore = System;
-    type Balance = u64;
-    type DustRemoval = ();
-    type Event = ();
+	type AccountStore = System;
+	type Balance = u64;
+	type DustRemoval = ();
+	type Event = ();
 	type ExistentialDeposit = ExistentialDeposit;
 	type WeightInfo = ();
 	type MaxLocks = MaxLocks;
@@ -78,7 +81,7 @@
 }
 
 impl pallet_transaction_payment::Config for Test {
-	type OnChargeTransaction = CurrencyAdapter<pallet_balances::Module<Test>, ()>;
+	type OnChargeTransaction = CurrencyAdapter<pallet_balances::Pallet<Test>, ()>;
 	type TransactionByteFee = TransactionByteFee;
 	type WeightToFee = IdentityFee<u64>;
 	type FeeMultiplierUpdate = ();
@@ -94,27 +97,26 @@
 	type WeightInfo = ();
 }
 
-type Timestamp = pallet_timestamp::Module<Test>;
-type Randomness = pallet_randomness_collective_flip::Module<Test>;
+type Timestamp = pallet_timestamp::Pallet<Test>;
+type Randomness = pallet_randomness_collective_flip::Pallet<Test>;
 
 parameter_types! {
 	pub const TombstoneDeposit: u64 = 1;
 	pub const DepositPerContract: u64 = 1;
 	pub const DepositPerStorageByte: u64 = 1;
 	pub const DepositPerStorageItem: u64 = 1;
-	pub RentFraction: Perbill = Perbill::from_rational_approximation(1u32, 30 * 24 * 60 * 10);
+	pub RentFraction: Perbill = Perbill::from_rational(1u32, 30 * 24 * 60 * 10);
 	pub const SurchargeReward: u64 = 1;
 	pub const SignedClaimHandicap: u32 = 2;
-	pub const MaxDepth: u32 = 32;
-	pub const MaxValueSize: u32 = 16 * 1024;
 	pub DeletionWeightLimit: u64 = u64::MAX;//Perbill::from_percent(10);
 	pub DeletionQueueDepth: u32 = 10;
+	pub Schedule: pallet_contracts::Schedule<Test> = Default::default();
 }
 
 impl pallet_contracts::Config for Test {
 	type Time = Timestamp;
 	type Randomness = Randomness;
-	type Currency = pallet_balances::Module<Test>;
+	type Currency = pallet_balances::Pallet<Test>;
 	type Event = ();
 	type RentPayment = ();
 	type SignedClaimHandicap = SignedClaimHandicap;
@@ -125,29 +127,80 @@
 	type RentFraction = RentFraction;
 	type SurchargeReward = SurchargeReward;
 	type DeletionWeightLimit = DeletionWeightLimit;
-	type MaxDepth = MaxDepth;
 	type DeletionQueueDepth = DeletionQueueDepth;
-	type MaxValueSize = MaxValueSize;
 	type ChainExtension = ();
-	type MaxCodeSize = ();
 	type WeightPrice = ();
 	type WeightInfo = pallet_contracts::weights::SubstrateWeight<Self>;
+	type Schedule = Schedule;
+	type CallStack = [pallet_contracts::Frame<Self>; 31];
 }
 
 parameter_types! {
 	pub const CollectionCreationPrice: u32 = 0;
-    pub TreasuryAccountId: u64 = 1234;
+	pub TreasuryAccountId: u64 = 1234;
+	pub EthereumChainId: u32 = 1111;
 }
 
+pub struct TestEvmAddressMapping;
+impl AddressMapping<u64> for TestEvmAddressMapping {
+	fn into_account_id(_addr: sp_core::H160) -> u64 {
+		unimplemented!()
+	}
+}
+
+pub struct TestEvmBackwardsAddressMapping;
+impl EvmBackwardsAddressMapping<u64> for TestEvmBackwardsAddressMapping {
+	fn from_account_id(_account_id: u64) -> sp_core::H160 {
+		unimplemented!()
+	}
+}
+
+#[derive(Encode, Decode, Clone, PartialEq, Eq, PartialOrd, Ord, Debug)]
+pub struct TestCrossAccountId(u64, sp_core::H160);
+impl CrossAccountId<u64> for TestCrossAccountId {
+	fn from_sub(sub: u64) -> Self {
+		let mut eth = [0; 20];
+		eth[12..20].copy_from_slice(&sub.to_be_bytes());
+		Self(sub, sp_core::H160(eth))
+	}
+	fn as_sub(&self) -> &u64 {
+		&self.0
+	}
+	fn from_eth(_eth: sp_core::H160) -> Self {
+		unimplemented!()
+	}
+	fn as_eth(&self) -> &sp_core::H160 {
+		&self.1
+	}
+}
+
+pub struct TestEtheremTransactionSender;
+impl pallet_ethereum::EthereumTransactionSender for TestEtheremTransactionSender {
+	fn submit_logs_transaction(
+		_tx: pallet_ethereum::Transaction,
+		_logs: Vec<pallet_ethereum::Log>,
+	) -> Result<(), sp_runtime::DispatchError> {
+		Ok(())
+	}
+}
+
 impl pallet_template::Config for Test {
 	type Event = ();
 	type WeightInfo = ();
 	type CollectionCreationPrice = CollectionCreationPrice;
-    type Currency = pallet_balances::Module<Test>;
-    type TreasuryAccountId = TreasuryAccountId;
+	type Currency = pallet_balances::Pallet<Test>;
+	type TreasuryAccountId = TreasuryAccountId;
+	type EvmAddressMapping = TestEvmAddressMapping;
+	type EvmBackwardsAddressMapping = TestEvmBackwardsAddressMapping;
+	type CrossAccountId = TestCrossAccountId;
+	type EthereumChainId = EthereumChainId;
+	type EthereumTransactionSender = TestEtheremTransactionSender;
 }
 
 // Build genesis storage according to the mock runtime.
 pub fn new_test_ext() -> sp_io::TestExternalities {
-	system::GenesisConfig::default().build_storage::<Test>().unwrap().into()
-}
\ No newline at end of file
+	system::GenesisConfig::default()
+		.build_storage::<Test>()
+		.unwrap()
+		.into()
+}
modifiedpallets/nft/src/sponsorship.rsdiffbeforeafterboth
--- a/pallets/nft/src/sponsorship.rs
+++ b/pallets/nft/src/sponsorship.rs
@@ -1,4 +1,8 @@
-use crate::{Config, Call, CollectionById, CreateItemBasket, VariableMetaDataBasket, ReFungibleTransferBasket, FungibleTransferBasket, NftTransferBasket, ChainLimit, CreateItemData, CollectionMode};
+use crate::{
+	Config, Call, CollectionById, CreateItemBasket, VariableMetaDataBasket,
+	ReFungibleTransferBasket, FungibleTransferBasket, NftTransferBasket, ChainLimit,
+	CreateItemData, CollectionMode,
+};
 use core::marker::PhantomData;
 use up_sponsorship::SponsorshipHandler;
 use frame_support::{
@@ -6,7 +10,6 @@
 	storage::{StorageMap, StorageDoubleMap, StorageValue},
 };
 use nft_data_structs::{TokenId, CollectionId};
-use alloc::vec::Vec;
 
 pub struct NftSponsorshipHandler<T>(PhantomData<T>);
 impl<T: Config> NftSponsorshipHandler<T> {
@@ -15,7 +18,6 @@
 		collection_id: &CollectionId,
 		_properties: &CreateItemData,
 	) -> Option<T::AccountId> {
-	
 		let collection = CollectionById::<T>::get(collection_id)?;
 
 		// sponsor timeout
@@ -32,9 +34,8 @@
 		CreateItemBasket::<T>::insert((collection_id, who.clone()), block_number);
 
 		// check free create limit
-		if collection.limits.sponsored_data_size >= (_properties.len() as u32) {
-			collection.sponsorship.sponsor()
-				.cloned()
+		if collection.limits.sponsored_data_size >= (_properties.data_size() as u32) {
+			collection.sponsorship.sponsor().cloned()
 		} else {
 			None
 		}
@@ -45,13 +46,11 @@
 		collection_id: &CollectionId,
 		item_id: &TokenId,
 	) -> Option<T::AccountId> {
-
 		let collection = CollectionById::<T>::get(collection_id)?;
 		let limits = ChainLimit::get();
 
 		let mut sponsor_transfer = false;
 		if collection.sponsorship.confirmed() {
-
 			let collection_limits = collection.limits.clone();
 			let collection_mode = collection.mode.clone();
 
@@ -59,7 +58,6 @@
 			let block_number = <frame_system::Pallet<T>>::block_number() as T::BlockNumber;
 			sponsor_transfer = match collection_mode {
 				CollectionMode::NFT => {
-
 					// get correct limit
 					let limit: u32 = if collection_limits.sponsor_transfer_timeout > 0 {
 						collection_limits.sponsor_transfer_timeout
@@ -82,7 +80,6 @@
 					sponsored
 				}
 				CollectionMode::Fungible(_) => {
-
 					// get correct limit
 					let limit: u32 = if collection_limits.sponsor_transfer_timeout > 0 {
 						collection_limits.sponsor_transfer_timeout
@@ -106,7 +103,6 @@
 					sponsored
 				}
 				CollectionMode::ReFungible => {
-
 					// get correct limit
 					let limit: u32 = if collection_limits.sponsor_transfer_timeout > 0 {
 						collection_limits.sponsor_transfer_timeout
@@ -116,7 +112,8 @@
 
 					let mut sponsored = true;
 					if ReFungibleTransferBasket::<T>::contains_key(collection_id, item_id) {
-						let last_tx_block = ReFungibleTransferBasket::<T>::get(collection_id, item_id);
+						let last_tx_block =
+							ReFungibleTransferBasket::<T>::get(collection_id, item_id);
 						let limit_time = last_tx_block + limit.into();
 						if block_number <= limit_time {
 							sponsored = false;
@@ -128,32 +125,27 @@
 
 					sponsored
 				}
-				_ => {
-					false
-				},
+				_ => false,
 			};
 		}
 
 		if !sponsor_transfer {
 			None
 		} else {
-			collection.sponsorship.sponsor()
-				.cloned()
+			collection.sponsorship.sponsor().cloned()
 		}
 	}
-	
+
 	pub fn withdraw_set_variable_meta_data(
 		collection_id: &CollectionId,
 		item_id: &TokenId,
-		data: &Vec<u8>,
+		data: &[u8],
 	) -> Option<T::AccountId> {
-
 		let mut sponsor_metadata_changes = false;
 
 		let collection = CollectionById::<T>::get(collection_id)?;
 
-		if
-			collection.sponsorship.confirmed() &&
+		if collection.sponsorship.confirmed() &&
 			// Can't sponsor fungible collection, this tx will be rejected
 			// as invalid
 			!matches!(collection.mode, CollectionMode::Fungible(_)) &&
@@ -164,7 +156,7 @@
 
 				if VariableMetaDataBasket::<T>::get(collection_id, item_id)
 					.map(|last_block| block_number - last_block > rate_limit)
-					.unwrap_or(true) 
+					.unwrap_or(true)
 				{
 					sponsor_metadata_changes = true;
 					VariableMetaDataBasket::<T>::insert(collection_id, item_id, block_number);
@@ -177,27 +169,26 @@
 		} else {
 			collection.sponsorship.sponsor().cloned()
 		}
-
 	}
 }
 
 impl<T, C> SponsorshipHandler<T::AccountId, C> for NftSponsorshipHandler<T>
-where 
-    T: Config,
-    C: IsSubType<Call<T>>
+where
+	T: Config,
+	C: IsSubType<Call<T>>,
 {
-    fn get_sponsor(who: &T::AccountId, call: &C) -> Option<T::AccountId> {
-        match IsSubType::<Call<T>>::is_sub_type(call)? {
-            Call::create_item(collection_id, _owner, _properties) => {
-                Self::withdraw_create_item(who, collection_id, &_properties)
-            },
-            Call::transfer(_new_owner, collection_id, item_id, _value) => {
-                Self::withdraw_transfer(who, collection_id, item_id)
-            },
-            Call::set_variable_meta_data(collection_id, item_id, data) => {
-                Self::withdraw_set_variable_meta_data(collection_id, item_id, &data)
-			},
+	fn get_sponsor(who: &T::AccountId, call: &C) -> Option<T::AccountId> {
+		match IsSubType::<Call<T>>::is_sub_type(call)? {
+			Call::create_item(collection_id, _owner, properties) => {
+				Self::withdraw_create_item(who, collection_id, properties)
+			}
+			Call::transfer(_new_owner, collection_id, item_id, _value) => {
+				Self::withdraw_transfer(who, collection_id, item_id)
+			}
+			Call::set_variable_meta_data(collection_id, item_id, data) => {
+				Self::withdraw_set_variable_meta_data(collection_id, item_id, data)
+			}
 			_ => None,
-        }
-    }
-}
\ No newline at end of file
+		}
+	}
+}
modifiedpallets/nft/src/tests.rsdiffbeforeafterboth
1// Tests to be written here1// Tests to be written here
2use super::*;2use super::*;
3use crate::mock::*;3use crate::mock::*;
4use crate::{AccessMode, CollectionMode,4use crate::{AccessMode, CollectionMode, Ownership, ChainLimits, CreateItemData};
5 Ownership, ChainLimits, CreateItemData, CreateNftData, CreateFungibleData, CreateReFungibleData,5use nft_data_structs::{
6 CollectionId, TokenId, MAX_DECIMAL_POINTS};6 CreateNftData, CreateFungibleData, CreateReFungibleData, CollectionId, TokenId,
7 MAX_DECIMAL_POINTS,
8};
7use frame_support::{assert_noop, assert_ok};9use frame_support::{assert_noop, assert_ok};
8use frame_system::{ RawOrigin };10use frame_system::{RawOrigin};
911
10fn default_collection_numbers_limit() -> u32 {12fn default_collection_numbers_limit() -> u32 {
11 1013 10
12}14}
1315
14fn default_limits() {16fn default_limits() {
15 assert_ok!(TemplateModule::set_chain_limits(RawOrigin::Root.into(), ChainLimits {17 assert_ok!(TemplateModule::set_chain_limits(
18 RawOrigin::Root.into(),
19 ChainLimits {
16 collection_numbers_limit: default_collection_numbers_limit(),20 collection_numbers_limit: default_collection_numbers_limit(),
17 account_token_ownership_limit: 10,21 account_token_ownership_limit: 10,
18 collections_admins_limit: 5,22 collections_admins_limit: 5,
19 custom_data_limit: 2048,23 custom_data_limit: 2048,
20 nft_sponsor_transfer_timeout: 15,24 nft_sponsor_transfer_timeout: 15,
21 fungible_sponsor_transfer_timeout: 15,25 fungible_sponsor_transfer_timeout: 15,
22 refungible_sponsor_transfer_timeout: 15,26 refungible_sponsor_transfer_timeout: 15,
23 const_on_chain_schema_limit: 1024,27 const_on_chain_schema_limit: 1024,
24 offchain_schema_limit: 1024,28 offchain_schema_limit: 1024,
25 variable_on_chain_schema_limit: 1024,29 variable_on_chain_schema_limit: 1024,
26 }));30 }
31 ));
27}32}
2833
29fn default_nft_data() -> CreateNftData {34fn default_nft_data() -> CreateNftData {
30 CreateNftData { const_data: vec![1, 2, 3], variable_data: vec![3, 2, 1] }35 CreateNftData {
36 const_data: vec![1, 2, 3],
37 variable_data: vec![3, 2, 1],
38 }
31}39}
3240
33fn default_fungible_data () -> CreateFungibleData {41fn default_fungible_data() -> CreateFungibleData {
34 CreateFungibleData { value: 5 }42 CreateFungibleData { value: 5 }
35}43}
3644
37fn default_re_fungible_data () -> CreateReFungibleData {45fn default_re_fungible_data() -> CreateReFungibleData {
38 CreateReFungibleData { const_data: vec![1, 2, 3], variable_data: vec![3, 2, 1], pieces: 1023 }46 CreateReFungibleData {
47 const_data: vec![1, 2, 3],
48 variable_data: vec![3, 2, 1],
49 pieces: 1023,
50 }
39}51}
4052
41fn create_test_collection_for_owner(mode: &CollectionMode, owner: u64, id: CollectionId) -> CollectionId {53fn create_test_collection_for_owner(
54 mode: &CollectionMode,
55 owner: u64,
56 id: CollectionId,
57) -> CollectionId {
42 let col_name1: Vec<u16> = "Test1\0".encode_utf16().collect::<Vec<u16>>();58 let col_name1: Vec<u16> = "Test1\0".encode_utf16().collect::<Vec<u16>>();
43 let col_desc1: Vec<u16> = "TestDescription1\0".encode_utf16().collect::<Vec<u16>>();59 let col_desc1: Vec<u16> = "TestDescription1\0".encode_utf16().collect::<Vec<u16>>();
44 let token_prefix1: Vec<u8> = b"token_prefix1\0".to_vec();60 let token_prefix1: Vec<u8> = b"token_prefix1\0".to_vec();
4561
46 let origin1 = Origin::signed(owner);62 let origin1 = Origin::signed(owner);
47 assert_ok!(TemplateModule::create_collection(63 assert_ok!(TemplateModule::create_collection(
48 origin1.clone(),64 origin1,
49 col_name1.clone(),65 col_name1,
50 col_desc1.clone(),66 col_desc1,
51 token_prefix1.clone(),67 token_prefix1,
52 mode.clone()68 mode.clone()
53 ));69 ));
5470
55 let saved_col_name: Vec<u16> = "Test1\0".encode_utf16().collect::<Vec<u16>>();71 let saved_col_name: Vec<u16> = "Test1\0".encode_utf16().collect::<Vec<u16>>();
56 let saved_description: Vec<u16> = "TestDescription1\0".encode_utf16().collect::<Vec<u16>>();72 let saved_description: Vec<u16> = "TestDescription1\0".encode_utf16().collect::<Vec<u16>>();
57 let saved_prefix: Vec<u8> = b"token_prefix1\0".to_vec();73 let saved_prefix: Vec<u8> = b"token_prefix1\0".to_vec();
58 assert_eq!(TemplateModule::collection_id(id).unwrap().owner, owner);74 assert_eq!(TemplateModule::collection_id(id).unwrap().owner, owner);
59 assert_eq!(TemplateModule::collection_id(id).unwrap().name, saved_col_name);75 assert_eq!(
76 TemplateModule::collection_id(id).unwrap().name,
77 saved_col_name
78 );
60 assert_eq!(TemplateModule::collection_id(id).unwrap().mode, *mode);79 assert_eq!(TemplateModule::collection_id(id).unwrap().mode, *mode);
61 assert_eq!(TemplateModule::collection_id(id).unwrap().description, saved_description);80 assert_eq!(
81 TemplateModule::collection_id(id).unwrap().description,
82 saved_description
83 );
62 assert_eq!(TemplateModule::collection_id(id).unwrap().token_prefix, saved_prefix);84 assert_eq!(
85 TemplateModule::collection_id(id).unwrap().token_prefix,
86 saved_prefix
87 );
63 id88 id
64}89}
6590
66fn create_test_collection(mode: &CollectionMode, id: CollectionId) -> CollectionId {91fn create_test_collection(mode: &CollectionMode, id: CollectionId) -> CollectionId {
67 create_test_collection_for_owner(&mode, 1, id)92 create_test_collection_for_owner(&mode, 1, id)
68}93}
6994
70fn create_test_item(collection_id: CollectionId, data: &CreateItemData) {95fn create_test_item(collection_id: CollectionId, data: &CreateItemData) {
71 let origin1 = Origin::signed(1);96 let origin1 = Origin::signed(1);
72 assert_ok!(TemplateModule::create_item(97 assert_ok!(TemplateModule::create_item(
73 origin1.clone(),98 origin1,
74 collection_id,99 collection_id,
75 1,100 account(1),
76 data.clone()101 data.clone()
77 ));102 ));
103}
78104
105fn account(sub: u64) -> TestCrossAccountId {
106 TestCrossAccountId::from_sub(sub)
79}107}
80108
81// Use cases tests region109// Use cases tests region
82// #region110// #region
83111
84#[test]112#[test]
85fn set_version_schema() {113fn set_version_schema() {
86 new_test_ext().execute_with(|| {114 new_test_ext().execute_with(|| {
87 default_limits();115 default_limits();
88 let origin1 = Origin::signed(1);116 let origin1 = Origin::signed(1);
89 let collection_id = create_test_collection(&CollectionMode::NFT, 1);117 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
90 118
91 assert_ok!(TemplateModule::set_schema_version(origin1, collection_id, SchemaVersion::Unique));119 assert_ok!(TemplateModule::set_schema_version(
120 origin1,
121 collection_id,
122 SchemaVersion::Unique
123 ));
92 assert_eq!(TemplateModule::collection_id(collection_id).unwrap().schema_version, SchemaVersion::Unique);124 assert_eq!(
125 TemplateModule::collection_id(collection_id)
126 .unwrap()
127 .schema_version,
128 SchemaVersion::Unique
129 );
93 });130 });
94}131}
95132
96#[test]133#[test]
97fn create_fungible_collection_fails_with_large_decimal_numbers() {134fn create_fungible_collection_fails_with_large_decimal_numbers() {
98 new_test_ext().execute_with(|| {135 new_test_ext().execute_with(|| {
99 default_limits();136 default_limits();
100137
101 let col_name1: Vec<u16> = "Test1\0".encode_utf16().collect::<Vec<u16>>();138 let col_name1: Vec<u16> = "Test1\0".encode_utf16().collect::<Vec<u16>>();
102 let col_desc1: Vec<u16> = "TestDescription1\0".encode_utf16().collect::<Vec<u16>>();139 let col_desc1: Vec<u16> = "TestDescription1\0".encode_utf16().collect::<Vec<u16>>();
103 let token_prefix1: Vec<u8> = b"token_prefix1\0".to_vec();140 let token_prefix1: Vec<u8> = b"token_prefix1\0".to_vec();
104141
105 let origin1 = Origin::signed(1);142 let origin1 = Origin::signed(1);
106 assert_noop!(TemplateModule::create_collection(143 assert_noop!(
144 TemplateModule::create_collection(
107 origin1,145 origin1,
108 col_name1,146 col_name1,
109 col_desc1,147 col_desc1,
110 token_prefix1,148 token_prefix1,
111 CollectionMode::Fungible(MAX_DECIMAL_POINTS + 1)149 CollectionMode::Fungible(MAX_DECIMAL_POINTS + 1)
112 ), Error::<Test>::CollectionDecimalPointLimitExceeded);150 ),
151 Error::<Test>::CollectionDecimalPointLimitExceeded
152 );
113 }); 153 });
114}154}
115155
116#[test]156#[test]
117fn create_nft_item() {157fn create_nft_item() {
118 new_test_ext().execute_with(|| {158 new_test_ext().execute_with(|| {
119 default_limits();159 default_limits();
120 let collection_id = create_test_collection(&CollectionMode::NFT, 1);160 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
121 161
122 let data = default_nft_data();162 let data = default_nft_data();
123 create_test_item(collection_id, &data.clone().into());163 create_test_item(collection_id, &data.clone().into());
124 let item = TemplateModule::nft_item_id(collection_id, 1).unwrap();164 let item = TemplateModule::nft_item_id(collection_id, 1).unwrap();
125 assert_eq!(item.const_data, data.const_data);165 assert_eq!(item.const_data, data.const_data);
126 assert_eq!(item.variable_data, data.variable_data);166 assert_eq!(item.variable_data, data.variable_data);
127 });167 });
128}168}
129169
130// Use cases tests region170// Use cases tests region
131// #region171// #region
132#[test]172#[test]
133fn create_nft_multiple_items() {173fn create_nft_multiple_items() {
134 new_test_ext().execute_with(|| {174 new_test_ext().execute_with(|| {
135 default_limits();175 default_limits();
136
137 create_test_collection(&CollectionMode::NFT, 1);
138176
139 let origin1 = Origin::signed(1);177 create_test_collection(&CollectionMode::NFT, 1);
140178
141 let items_data = vec![default_nft_data(), default_nft_data(), default_nft_data()];179 let origin1 = Origin::signed(1);
142180
143 assert_ok!(TemplateModule::create_multiple_items(181 let items_data = vec![default_nft_data(), default_nft_data(), default_nft_data()];
182
183 assert_ok!(TemplateModule::create_multiple_items(
144 origin1.clone(),184 origin1,
145 1,185 1,
146 1,186 account(1),
147 items_data.clone().into_iter().map(|d| { d.into() }).collect()187 items_data
188 .clone()
189 .into_iter()
190 .map(|d| { d.into() })
191 .collect()
148 ));192 ));
149 for (index, data) in items_data.iter().enumerate() {193 for (index, data) in items_data.iter().enumerate() {
150 let item = TemplateModule::nft_item_id(1, (index + 1) as TokenId).unwrap(); 194 let item = TemplateModule::nft_item_id(1, (index + 1) as TokenId).unwrap();
151 assert_eq!(item.const_data.to_vec(), data.const_data);195 assert_eq!(item.const_data.to_vec(), data.const_data);
152 assert_eq!(item.variable_data.to_vec(), data.variable_data);196 assert_eq!(item.variable_data.to_vec(), data.variable_data);
153 }197 }
154 });198 });
155}199}
156200
157#[test]201#[test]
158fn create_refungible_item() {202fn create_refungible_item() {
159 new_test_ext().execute_with(|| {203 new_test_ext().execute_with(|| {
160 default_limits();204 default_limits();
161 let collection_id = create_test_collection(&CollectionMode::ReFungible, 1);205 let collection_id = create_test_collection(&CollectionMode::ReFungible, 1);
162206
163 let data = default_re_fungible_data();207 let data = default_re_fungible_data();
164 create_test_item(collection_id, &data.clone().into());208 create_test_item(collection_id, &data.clone().into());
165 let item = TemplateModule::refungible_item_id(collection_id, 1).unwrap();209 let item = TemplateModule::refungible_item_id(collection_id, 1).unwrap();
166 assert_eq!(210 assert_eq!(item.const_data, data.const_data);
167 item.const_data,
168 data.const_data
169 );
170 assert_eq!(211 assert_eq!(item.variable_data, data.variable_data);
171 item.variable_data,
172 data.variable_data
173 );
174 assert_eq!(212 assert_eq!(
175 item.owner[0],213 item.owner[0],
176 Ownership {214 Ownership {
177 owner: 1,215 owner: account(1),
178 fraction: 1023216 fraction: 1023
179 }217 }
180 );218 );
181 });219 });
182}220}
183221
184#[test]222#[test]
185fn create_multiple_refungible_items() {223fn create_multiple_refungible_items() {
186 new_test_ext().execute_with(|| {224 new_test_ext().execute_with(|| {
187 default_limits();225 default_limits();
188
189 create_test_collection(&CollectionMode::ReFungible, 1);
190226
191 let origin1 = Origin::signed(1);227 create_test_collection(&CollectionMode::ReFungible, 1);
192228
193 let items_data = vec![default_re_fungible_data(), default_re_fungible_data(), default_re_fungible_data()];229 let origin1 = Origin::signed(1);
194230
195 assert_ok!(TemplateModule::create_multiple_items(231 let items_data = vec![
196 origin1.clone(),232 default_re_fungible_data(),
197 1,233 default_re_fungible_data(),
198 1,
199 items_data.clone().into_iter().map(|d| { d.into() }).collect()234 default_re_fungible_data(),
200 ));235 ];
201 for (index, data) in items_data.iter().enumerate() {
202236
237 assert_ok!(TemplateModule::create_multiple_items(
238 origin1,
239 1,
240 account(1),
241 items_data
242 .clone()
243 .into_iter()
203 let item = TemplateModule::refungible_item_id(1, (index + 1) as TokenId).unwrap();244 .map(|d| { d.into() })
245 .collect()
246 ));
247 for (index, data) in items_data.iter().enumerate() {
248 let item = TemplateModule::refungible_item_id(1, (index + 1) as TokenId).unwrap();
204 assert_eq!(item.const_data.to_vec(), data.const_data);249 assert_eq!(item.const_data.to_vec(), data.const_data);
205 assert_eq!(item.variable_data.to_vec(), data.variable_data);250 assert_eq!(item.variable_data.to_vec(), data.variable_data);
206 assert_eq!(251 assert_eq!(
207 item.owner[0],252 item.owner[0],
208 Ownership {253 Ownership {
209 owner: 1,254 owner: account(1),
210 fraction: 1023255 fraction: 1023
211 }256 }
212 );257 );
213 }258 }
214 });259 });
215}260}
216261
217#[test]262#[test]
218fn create_fungible_item() {263fn create_fungible_item() {
219 new_test_ext().execute_with(|| {264 new_test_ext().execute_with(|| {
220 default_limits();265 default_limits();
221
222 let collection_id = create_test_collection(&CollectionMode::Fungible(3), 1);
223266
224 let data = default_fungible_data();267 let collection_id = create_test_collection(&CollectionMode::Fungible(3), 1);
225 create_test_item(collection_id, &data.into());
226268
227 assert_eq!(TemplateModule::fungible_item_id(collection_id, 1).value, 5);269 let data = default_fungible_data();
270 create_test_item(collection_id, &data.into());
271
272 assert_eq!(TemplateModule::fungible_item_id(collection_id, 1).value, 5);
228 });273 });
229}274}
230275
231//#[test]276//#[test]
245// 1,290// 1,
246// items_data.clone().into_iter().map(|d| { d.into() }).collect()291// items_data.clone().into_iter().map(|d| { d.into() }).collect()
247// ));292// ));
248 293
249// for (index, _) in items_data.iter().enumerate() {294// for (index, _) in items_data.iter().enumerate() {
250// assert_eq!(TemplateModule::fungible_item_id(1, (index + 1) as TokenId).value, 5);295// assert_eq!(TemplateModule::fungible_item_id(1, (index + 1) as TokenId).value, 5);
251// }296// }
256301
257#[test]302#[test]
258fn transfer_fungible_item() {303fn transfer_fungible_item() {
259 new_test_ext().execute_with(|| {304 new_test_ext().execute_with(|| {
260 default_limits();305 default_limits();
261
262 let collection_id = create_test_collection(&CollectionMode::Fungible(3), 1);
263306
264 let origin1 = Origin::signed(1);307 let collection_id = create_test_collection(&CollectionMode::Fungible(3), 1);
265 let origin2 = Origin::signed(2);
266308
267 let data = default_fungible_data();309 let origin1 = Origin::signed(1);
268 create_test_item(collection_id, &data.into());310 let origin2 = Origin::signed(2);
269311
270 assert_eq!(TemplateModule::fungible_item_id(1, 1).value, 5);312 let data = default_fungible_data();
271 assert_eq!(TemplateModule::balance_count(1, 1), 5);313 create_test_item(collection_id, &data.into());
272314
273 // change owner scenario
274 assert_ok!(TemplateModule::transfer(origin1.clone(), 2, 1, 1, 5));
275 assert_eq!(TemplateModule::fungible_item_id(1, 1).value, 0);315 assert_eq!(TemplateModule::fungible_item_id(1, 1).value, 5);
276 assert_eq!(TemplateModule::balance_count(1, 1), 0);316 assert_eq!(TemplateModule::balance_count(1, 1), 5);
277 assert_eq!(TemplateModule::balance_count(1, 2), 5);
278317
279 // split item scenario318 // change owner scenario
280 assert_ok!(TemplateModule::transfer(origin2.clone(), 3, 1, 1, 3));319 assert_ok!(TemplateModule::transfer(origin1, account(2), 1, 1, 5));
281 assert_eq!(TemplateModule::balance_count(1, 2), 2);320 assert_eq!(TemplateModule::fungible_item_id(1, 1).value, 0);
321 assert_eq!(TemplateModule::balance_count(1, 1), 0);
282 assert_eq!(TemplateModule::balance_count(1, 3), 3);322 assert_eq!(TemplateModule::balance_count(1, 2), 5);
283323
284 // split item and new owner has account scenario324 // split item scenario
325 assert_ok!(TemplateModule::transfer(
326 origin2.clone(),
327 account(3),
328 1,
329 1,
330 3
331 ));
332 assert_eq!(TemplateModule::balance_count(1, 2), 2);
333 assert_eq!(TemplateModule::balance_count(1, 3), 3);
334
335 // split item and new owner has account scenario
285 assert_ok!(TemplateModule::transfer(origin2.clone(), 3, 1, 1, 1));336 assert_ok!(TemplateModule::transfer(origin2, account(3), 1, 1, 1));
286 assert_eq!(TemplateModule::fungible_item_id(1, 2).value, 1);337 assert_eq!(TemplateModule::fungible_item_id(1, 2).value, 1);
287 assert_eq!(TemplateModule::fungible_item_id(1, 3).value, 4);338 assert_eq!(TemplateModule::fungible_item_id(1, 3).value, 4);
288 assert_eq!(TemplateModule::balance_count(1, 2), 1);339 assert_eq!(TemplateModule::balance_count(1, 2), 1);
289 assert_eq!(TemplateModule::balance_count(1, 3), 4);340 assert_eq!(TemplateModule::balance_count(1, 3), 4);
290 });341 });
291}342}
292343
293#[test]344#[test]
294fn transfer_refungible_item() {345fn transfer_refungible_item() {
295 new_test_ext().execute_with(|| {346 new_test_ext().execute_with(|| {
296 default_limits();347 default_limits();
297
298 let collection_id = create_test_collection(&CollectionMode::ReFungible, 1);
299348
300 let data = default_re_fungible_data();349 let collection_id = create_test_collection(&CollectionMode::ReFungible, 1);
301 create_test_item(collection_id, &data.clone().into());
302350
303 let origin1 = Origin::signed(1);351 let data = default_re_fungible_data();
304 let origin2 = Origin::signed(2);352 create_test_item(collection_id, &data.clone().into());
305 {
306 let item = TemplateModule::refungible_item_id(collection_id, 1).unwrap();
307 assert_eq!(
308 item.const_data,
309 data.const_data
310 );
311 assert_eq!(
312 item.variable_data,
313 data.variable_data
314 );
315 assert_eq!(
316 item.owner[0],
317 Ownership {
318 owner: 1,
319 fraction: 1023
320 }
321 );
322 }
323 assert_eq!(TemplateModule::balance_count(1, 1), 1023);
324 assert_eq!(TemplateModule::address_tokens(1, 1), [1]);
325353
326 // change owner scenario354 let origin1 = Origin::signed(1);
327 assert_ok!(TemplateModule::transfer(origin1.clone(), 2, 1, 1, 1023));
328 assert_eq!(355 let origin2 = Origin::signed(2);
356 {
329 TemplateModule::refungible_item_id(1, 1).unwrap().owner[0],357 let item = TemplateModule::refungible_item_id(collection_id, 1).unwrap();
358 assert_eq!(item.const_data, data.const_data);
359 assert_eq!(item.variable_data, data.variable_data);
360 assert_eq!(
361 item.owner[0],
330 Ownership {362 Ownership {
331 owner: 2,363 owner: account(1),
332 fraction: 1023364 fraction: 1023
333 }365 }
334 );366 );
367 }
335 assert_eq!(TemplateModule::balance_count(1, 1), 0);368 assert_eq!(TemplateModule::balance_count(1, 1), 1023);
336 assert_eq!(TemplateModule::balance_count(1, 2), 1023);
337 // assert_eq!(TemplateModule::address_tokens(1, 1), []);369 assert_eq!(TemplateModule::address_tokens(1, 1), [1]);
338 assert_eq!(TemplateModule::address_tokens(1, 2), [1]);
339370
340 // split item scenario371 // change owner scenario
341 assert_ok!(TemplateModule::transfer(origin2.clone(), 3, 1, 1, 500));372 assert_ok!(TemplateModule::transfer(origin1, account(2), 1, 1, 1023));
342 {373 assert_eq!(
343 let item = TemplateModule::refungible_item_id(1, 1).unwrap();374 TemplateModule::refungible_item_id(1, 1).unwrap().owner[0],
344 assert_eq!(
345 item.owner[0],
346 Ownership {375 Ownership {
347 owner: 2,376 owner: account(2),
348 fraction: 523
349 }
350 );
351 assert_eq!(
352 item.owner[1],
353 Ownership {
354 owner: 3,
355 fraction: 500377 fraction: 1023
356 }378 }
357 );379 );
358 }
359 assert_eq!(TemplateModule::balance_count(1, 2), 523);380 assert_eq!(TemplateModule::balance_count(1, 1), 0);
360 assert_eq!(TemplateModule::balance_count(1, 3), 500);381 assert_eq!(TemplateModule::balance_count(1, 2), 1023);
361 assert_eq!(TemplateModule::address_tokens(1, 2), [1]);382 // assert_eq!(TemplateModule::address_tokens(1, 1), []);
362 assert_eq!(TemplateModule::address_tokens(1, 3), [1]);383 assert_eq!(TemplateModule::address_tokens(1, 2), [1]);
363384
364 // split item and new owner has account scenario385 // split item scenario
365 assert_ok!(TemplateModule::transfer(origin2.clone(), 3, 1, 1, 200));386 assert_ok!(TemplateModule::transfer(
387 origin2.clone(),
388 account(3),
389 1,
390 1,
391 500
392 ));
366 {393 {
367 let item = TemplateModule::refungible_item_id(1, 1).unwrap();394 let item = TemplateModule::refungible_item_id(1, 1).unwrap();
368 assert_eq!(395 assert_eq!(
369 item.owner[0],396 item.owner[0],
370 Ownership {397 Ownership {
371 owner: 2,398 owner: account(2),
372 fraction: 323399 fraction: 523
400 }
401 );
402 assert_eq!(
403 item.owner[1],
404 Ownership {
405 owner: account(3),
406 fraction: 500
407 }
408 );
409 }
373 }410 assert_eq!(TemplateModule::balance_count(1, 2), 523);
411 assert_eq!(TemplateModule::balance_count(1, 3), 500);
412 assert_eq!(TemplateModule::address_tokens(1, 2), [1]);
413 assert_eq!(TemplateModule::address_tokens(1, 3), [1]);
414
415 // split item and new owner has account scenario
374 );416 assert_ok!(TemplateModule::transfer(origin2, account(3), 1, 1, 200));
417 {
375 assert_eq!(418 let item = TemplateModule::refungible_item_id(1, 1).unwrap();
419 assert_eq!(
420 item.owner[0],
376 item.owner[1],421 Ownership {
422 owner: account(2),
423 fraction: 323
424 }
425 );
426 assert_eq!(
427 item.owner[1],
377 Ownership {428 Ownership {
378 owner: 3,429 owner: account(3),
379 fraction: 700430 fraction: 700
380 }431 }
381 );432 );
382 }433 }
383 assert_eq!(TemplateModule::balance_count(1, 2), 323);434 assert_eq!(TemplateModule::balance_count(1, 2), 323);
384 assert_eq!(TemplateModule::balance_count(1, 3), 700);435 assert_eq!(TemplateModule::balance_count(1, 3), 700);
385 assert_eq!(TemplateModule::address_tokens(1, 2), [1]);436 assert_eq!(TemplateModule::address_tokens(1, 2), [1]);
386 assert_eq!(TemplateModule::address_tokens(1, 3), [1]);437 assert_eq!(TemplateModule::address_tokens(1, 3), [1]);
387 });438 });
388}439}
389440
390#[test]441#[test]
391fn transfer_nft_item() {442fn transfer_nft_item() {
392 new_test_ext().execute_with(|| {443 new_test_ext().execute_with(|| {
393 default_limits();444 default_limits();
394
395 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
396445
397 let data = default_nft_data();446 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
398 create_test_item(collection_id, &data.into());
399 assert_eq!(TemplateModule::balance_count(1, 1), 1);
400 assert_eq!(TemplateModule::address_tokens(1, 1), [1]);
401447
402 let origin1 = Origin::signed(1);448 let data = default_nft_data();
449 create_test_item(collection_id, &data.into());
450 assert_eq!(TemplateModule::balance_count(1, 1), 1);
451 assert_eq!(TemplateModule::address_tokens(1, 1), [1]);
452
453 let origin1 = Origin::signed(1);
403 // default scenario454 // default scenario
404 assert_ok!(TemplateModule::transfer(origin1.clone(), 2, 1, 1, 1000));455 assert_ok!(TemplateModule::transfer(origin1, account(2), 1, 1, 1000));
405 assert_eq!(TemplateModule::nft_item_id(1, 1).unwrap().owner, 2);456 assert_eq!(TemplateModule::nft_item_id(1, 1).unwrap().owner, account(2));
406 assert_eq!(TemplateModule::balance_count(1, 1), 0);457 assert_eq!(TemplateModule::balance_count(1, 1), 0);
407 assert_eq!(TemplateModule::balance_count(1, 2), 1);458 assert_eq!(TemplateModule::balance_count(1, 2), 1);
408 // assert_eq!(TemplateModule::address_tokens(1, 1), []);459 // assert_eq!(TemplateModule::address_tokens(1, 1), []);
409 assert_eq!(TemplateModule::address_tokens(1, 2), [1]);460 assert_eq!(TemplateModule::address_tokens(1, 2), [1]);
410 });461 });
411}462}
412463
413#[test]464#[test]
414fn nft_approve_and_transfer_from() {465fn nft_approve_and_transfer_from() {
415 new_test_ext().execute_with(|| {466 new_test_ext().execute_with(|| {
416 default_limits();467 default_limits();
417
418 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
419468
420 let data = default_nft_data();469 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
421 create_test_item(collection_id, &data.into());
422470
423 let origin1 = Origin::signed(1);471 let data = default_nft_data();
424 let origin2 = Origin::signed(2);472 create_test_item(collection_id, &data.into());
425473
426 assert_eq!(TemplateModule::balance_count(1, 1), 1);474 let origin1 = Origin::signed(1);
427 assert_eq!(TemplateModule::address_tokens(1, 1), [1]);475 let origin2 = Origin::signed(2);
428476
429 // neg transfer
430 assert_noop!(TemplateModule::transfer_from(477 assert_eq!(TemplateModule::balance_count(1, 1), 1);
431 origin2.clone(),
432 1,
433 2,
434 1,
435 1,478 assert_eq!(TemplateModule::address_tokens(1, 1), [1]);
436 1), Error::<Test>::NoPermission);
437479
438 // do approve480 // neg transfer
439 assert_ok!(TemplateModule::approve(origin1.clone(), 2, 1, 1, 5));481 assert_noop!(
440 assert_eq!(TemplateModule::approved(1, (1, 1, 2)), 5);482 TemplateModule::transfer_from(origin2.clone(), account(1), account(2), 1, 1, 1),
441 assert_eq!(483 Error::<Test>::NoPermission
442 TemplateModule::approved(1, (1, 1, 2)),
443 5
444 );484 );
445485
446 assert_ok!(TemplateModule::transfer_from(486 // do approve
447 origin2.clone(),487 assert_ok!(TemplateModule::approve(origin1, account(2), 1, 1, 5));
448 1,488 assert_eq!(TemplateModule::approved(1, (1, 1, 2)), 5);
489 assert_eq!(TemplateModule::approved(1, (1, 1, 2)), 5);
490
491 assert_ok!(TemplateModule::transfer_from(
492 origin2,
493 account(1),
449 3,494 account(3),
450 1,495 1,
451 1,496 1,
452 1497 1
453 ));498 ));
454 assert_eq!(TemplateModule::approved(1, (1, 1, 2)), 4);499 assert_eq!(TemplateModule::approved(1, (1, 1, 2)), 4);
455 });500 });
456}501}
457502
458#[test]503#[test]
459fn nft_approve_and_transfer_from_white_list() {504fn nft_approve_and_transfer_from_white_list() {
460 new_test_ext().execute_with(|| {505 new_test_ext().execute_with(|| {
461 default_limits();506 default_limits();
462
463 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
464507
465 let origin1 = Origin::signed(1);508 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
466 let origin2 = Origin::signed(2);
467509
468 let data = default_nft_data();510 let origin1 = Origin::signed(1);
469 create_test_item(collection_id, &data.clone().into());511 let origin2 = Origin::signed(2);
470512
471 assert_eq!(TemplateModule::nft_item_id(1, 1).unwrap().const_data, data.const_data);513 let data = default_nft_data();
472 assert_eq!(TemplateModule::balance_count(1, 1), 1);514 create_test_item(collection_id, &data.clone().into());
473 assert_eq!(TemplateModule::address_tokens(1, 1), [1]);
474515
475 assert_ok!(TemplateModule::set_mint_permission(516 assert_eq!(
476 origin1.clone(),
477 1,517 TemplateModule::nft_item_id(1, 1).unwrap().const_data,
478 true518 data.const_data
479 ));
480 assert_ok!(TemplateModule::set_public_access_mode(
481 origin1.clone(),
482 1,
483 AccessMode::WhiteList
484 ));519 );
485 assert_ok!(TemplateModule::add_to_white_list(origin1.clone(), 1, 1));520 assert_eq!(TemplateModule::balance_count(1, 1), 1);
486 assert_ok!(TemplateModule::add_to_white_list(origin1.clone(), 1, 2));
487 assert_ok!(TemplateModule::add_to_white_list(origin1.clone(), 1, 3));521 assert_eq!(TemplateModule::address_tokens(1, 1), [1]);
488522
489 // do approve
490 assert_ok!(TemplateModule::approve(origin1.clone(), 2, 1, 1, 5));523 assert_ok!(TemplateModule::set_mint_permission(
524 origin1.clone(),
525 1,
526 true
527 ));
491 assert_eq!(TemplateModule::approved(1, (1, 1, 2)), 5);528 assert_ok!(TemplateModule::set_public_access_mode(
529 origin1.clone(),
530 1,
531 AccessMode::WhiteList
532 ));
492 assert_ok!(TemplateModule::approve(origin1.clone(), 3, 1, 1, 5));533 assert_ok!(TemplateModule::add_to_white_list(
534 origin1.clone(),
535 1,
536 account(1)
537 ));
493 assert_eq!(TemplateModule::approved(1, (1, 1, 3)), 5);538 assert_ok!(TemplateModule::add_to_white_list(
539 origin1.clone(),
540 1,
541 account(2)
542 ));
543 assert_ok!(TemplateModule::add_to_white_list(
544 origin1.clone(),
545 1,
546 account(3)
547 ));
494548
495 assert_ok!(TemplateModule::transfer_from(549 // do approve
550 assert_ok!(TemplateModule::approve(
496 origin2.clone(),551 origin1.clone(),
552 account(2),
553 1,
554 1,
555 5
556 ));
497 1,557 assert_eq!(TemplateModule::approved(1, (1, 1, 2)), 5);
558 assert_ok!(TemplateModule::approve(origin1, account(3), 1, 1, 5));
559 assert_eq!(TemplateModule::approved(1, (1, 1, 3)), 5);
560
561 assert_ok!(TemplateModule::transfer_from(
562 origin2,
563 account(1),
498 3,564 account(3),
499 1,565 1,
500 1,566 1,
501 1567 1
502 ));568 ));
503 assert_eq!(TemplateModule::approved(1, (1, 1, 2)), 4);569 assert_eq!(TemplateModule::approved(1, (1, 1, 2)), 4);
504 });570 });
505}571}
506572
507#[test]573#[test]
508fn refungible_approve_and_transfer_from() {574fn refungible_approve_and_transfer_from() {
509 new_test_ext().execute_with(|| {575 new_test_ext().execute_with(|| {
510 default_limits();576 default_limits();
511
512 let collection_id = create_test_collection(&CollectionMode::ReFungible, 1);
513
514 let origin1 = Origin::signed(1);
515 let origin2 = Origin::signed(2);
516577
517 let data = default_re_fungible_data();578 let collection_id = create_test_collection(&CollectionMode::ReFungible, 1);
518 create_test_item(collection_id, &data.into());
519579
520 assert_eq!(TemplateModule::balance_count(1, 1), 1023);580 let origin1 = Origin::signed(1);
521 assert_eq!(TemplateModule::address_tokens(1, 1), [1]);581 let origin2 = Origin::signed(2);
522582
523 assert_ok!(TemplateModule::set_mint_permission(583 let data = default_re_fungible_data();
524 origin1.clone(),
525 1,
526 true
527 ));
528 assert_ok!(TemplateModule::set_public_access_mode(584 create_test_item(collection_id, &data.into());
529 origin1.clone(),
530 1,
531 AccessMode::WhiteList
532 ));
533 assert_ok!(TemplateModule::add_to_white_list(origin1.clone(), 1, 1));
534 assert_ok!(TemplateModule::add_to_white_list(origin1.clone(), 1, 2));
535 assert_ok!(TemplateModule::add_to_white_list(origin1.clone(), 1, 3));
536585
537 // do approve
538 assert_ok!(TemplateModule::approve(origin1.clone(), 2, 1, 1, 1023));586 assert_eq!(TemplateModule::balance_count(1, 1), 1023);
539 assert_eq!(TemplateModule::approved(1, (1, 1, 2)), 1023);587 assert_eq!(TemplateModule::address_tokens(1, 1), [1]);
540588
541 assert_ok!(TemplateModule::transfer_from(589 assert_ok!(TemplateModule::set_mint_permission(
542 origin2.clone(),590 origin1.clone(),
543 1,591 1,
544 3,592 true
545 1,
546 1,
547 100
548 ));593 ));
549 assert_eq!(TemplateModule::balance_count(1, 1), 923);594 assert_ok!(TemplateModule::set_public_access_mode(
595 origin1.clone(),
596 1,
597 AccessMode::WhiteList
598 ));
550 assert_eq!(TemplateModule::balance_count(1, 3), 100);599 assert_ok!(TemplateModule::add_to_white_list(
600 origin1.clone(),
601 1,
602 account(1)
603 ));
551 assert_eq!(TemplateModule::address_tokens(1, 1), [1]);604 assert_ok!(TemplateModule::add_to_white_list(
605 origin1.clone(),
606 1,
607 account(2)
608 ));
552 assert_eq!(TemplateModule::address_tokens(1, 3), [1]);609 assert_ok!(TemplateModule::add_to_white_list(
610 origin1.clone(),
611 1,
612 account(3)
613 ));
553614
554 assert_eq!(615 // do approve
616 assert_ok!(TemplateModule::approve(origin1, account(2), 1, 1, 1023));
555 TemplateModule::approved(1, (1, 1, 2)),617 assert_eq!(TemplateModule::approved(1, (1, 1, 2)), 1023);
618
619 assert_ok!(TemplateModule::transfer_from(
620 origin2,
621 account(1),
622 account(3),
623 1,
624 1,
625 100
626 ));
556 923627 assert_eq!(TemplateModule::balance_count(1, 1), 923);
557 );628 assert_eq!(TemplateModule::balance_count(1, 3), 100);
629 assert_eq!(TemplateModule::address_tokens(1, 1), [1]);
630 assert_eq!(TemplateModule::address_tokens(1, 3), [1]);
631
558 });632 assert_eq!(TemplateModule::approved(1, (1, 1, 2)), 923);
633 });
559}634}
560635
561#[test]636#[test]
562fn fungible_approve_and_transfer_from() {637fn fungible_approve_and_transfer_from() {
563 new_test_ext().execute_with(|| {638 new_test_ext().execute_with(|| {
564 default_limits();639 default_limits();
565
566 let collection_id = create_test_collection(&CollectionMode::Fungible(3), 1);
567
568 let data = default_fungible_data();
569 create_test_item(collection_id, &data.into());
570640
571 let origin1 = Origin::signed(1);641 let collection_id = create_test_collection(&CollectionMode::Fungible(3), 1);
572 let origin2 = Origin::signed(2);
573642
574 assert_eq!(TemplateModule::balance_count(1, 1), 5);643 let data = default_fungible_data();
644 create_test_item(collection_id, &data.into());
575645
576 assert_ok!(TemplateModule::set_mint_permission(646 let origin1 = Origin::signed(1);
577 origin1.clone(),
578 1,
579 true
580 ));
581 assert_ok!(TemplateModule::set_public_access_mode(
582 origin1.clone(),
583 1,
584 AccessMode::WhiteList
585 ));
586 assert_ok!(TemplateModule::add_to_white_list(origin1.clone(), 1, 1));647 let origin2 = Origin::signed(2);
587 assert_ok!(TemplateModule::add_to_white_list(origin1.clone(), 1, 2));
588 assert_ok!(TemplateModule::add_to_white_list(origin1.clone(), 1, 3));
589648
590 // do approve
591 assert_ok!(TemplateModule::approve(origin1.clone(), 2, 1, 1, 5));
592 assert_eq!(TemplateModule::approved(1, (1, 1, 2)), 5);649 assert_eq!(TemplateModule::balance_count(1, 1), 5);
593 assert_ok!(TemplateModule::approve(origin1.clone(), 3, 1, 1, 5));
594 assert_eq!(TemplateModule::approved(1, (1, 1, 3)), 5);
595 assert_eq!(
596 TemplateModule::approved(1, (1, 1, 2)),
597 5
598 );
599650
600 assert_ok!(TemplateModule::transfer_from(651 assert_ok!(TemplateModule::set_mint_permission(
601 origin2.clone(),652 origin1.clone(),
602 1,653 1,
603 3,654 true
655 ));
656 assert_ok!(TemplateModule::set_public_access_mode(
604 1,657 origin1.clone(),
605 1,658 1,
606 4659 AccessMode::WhiteList
607 ));660 ));
608 assert_eq!(TemplateModule::balance_count(1, 1), 1);661 assert_ok!(TemplateModule::add_to_white_list(
662 origin1.clone(),
663 1,
664 account(1)
665 ));
666 assert_ok!(TemplateModule::add_to_white_list(
667 origin1.clone(),
668 1,
669 account(2)
670 ));
609 assert_eq!(TemplateModule::balance_count(1, 3), 4);671 assert_ok!(TemplateModule::add_to_white_list(
672 origin1.clone(),
673 1,
674 account(3)
675 ));
610676
611 assert_eq!(TemplateModule::approved(1, (1, 1, 2)), 1);677 // do approve
678 assert_ok!(TemplateModule::approve(
679 origin1.clone(),
680 account(2),
681 1,
682 1,
683 5
684 ));
685 assert_eq!(TemplateModule::approved(1, (1, 1, 2)), 5);
686 assert_ok!(TemplateModule::approve(origin1, account(3), 1, 1, 5));
687 assert_eq!(TemplateModule::approved(1, (1, 1, 3)), 5);
688 assert_eq!(TemplateModule::approved(1, (1, 1, 2)), 5);
612689
613 assert_noop!(TemplateModule::transfer_from(690 assert_ok!(TemplateModule::transfer_from(
614 origin2.clone(),691 origin2.clone(),
615 1,692 account(1),
616 3,693 account(3),
617 1,694 1,
618 1,695 1,
696 4
697 ));
619 4698 assert_eq!(TemplateModule::balance_count(1, 1), 1);
699 assert_eq!(TemplateModule::balance_count(1, 3), 4);
700
701 assert_eq!(TemplateModule::approved(1, (1, 1, 2)), 1);
702
703 assert_noop!(
620 ), Error::<Test>::NoPermission);704 TemplateModule::transfer_from(origin2, account(1), account(3), 1, 1, 4),
705 Error::<Test>::NoPermission
706 );
621 });707 });
622}708}
623709
624#[test]710#[test]
625fn change_collection_owner() {711fn change_collection_owner() {
626 new_test_ext().execute_with(|| {712 new_test_ext().execute_with(|| {
627 default_limits();713 default_limits();
628 714
629 let collection_id = create_test_collection(&CollectionMode::NFT, 1);715 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
630 716
631 let origin1 = Origin::signed(1);717 let origin1 = Origin::signed(1);
632 assert_ok!(TemplateModule::change_collection_owner(718 assert_ok!(TemplateModule::change_collection_owner(
633 origin1.clone(),719 origin1,
634 collection_id,720 collection_id,
635 2721 2
636 ));722 ));
637 assert_eq!(TemplateModule::collection_id(collection_id).unwrap().owner, 2);723 assert_eq!(
724 TemplateModule::collection_id(collection_id).unwrap().owner,
725 2
726 );
638 });727 });
639}728}
640729
641#[test]730#[test]
642fn destroy_collection() {731fn destroy_collection() {
643 new_test_ext().execute_with(|| {732 new_test_ext().execute_with(|| {
644 default_limits();733 default_limits();
645 734
646 let collection_id = create_test_collection(&CollectionMode::NFT, 1);735 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
647 736
648 let origin1 = Origin::signed(1);737 let origin1 = Origin::signed(1);
649 assert_ok!(TemplateModule::destroy_collection(origin1.clone(), collection_id));738 assert_ok!(TemplateModule::destroy_collection(origin1, collection_id));
650 });739 });
651}740}
652741
653#[test]742#[test]
654fn burn_nft_item() {743fn burn_nft_item() {
655 new_test_ext().execute_with(|| {744 new_test_ext().execute_with(|| {
656 default_limits();745 default_limits();
657
658 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
659746
660 let origin1 = Origin::signed(1);747 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
661 assert_ok!(TemplateModule::add_collection_admin(origin1.clone(), collection_id, 2));
662
663 let data = default_nft_data();
664 create_test_item(collection_id, &data.into());
665748
666 // check balance (collection with id = 1, user id = 1)749 let origin1 = Origin::signed(1);
667 assert_eq!(TemplateModule::balance_count(1, 1), 1);750 assert_ok!(TemplateModule::add_collection_admin(
751 origin1.clone(),
752 collection_id,
753 account(2)
754 ));
668755
669 // burn item756 let data = default_nft_data();
670 assert_ok!(TemplateModule::burn_item(origin1.clone(), 1, 1, 5));
671 assert_noop!(757 create_test_item(collection_id, &data.into());
672 TemplateModule::burn_item(origin1.clone(), 1, 1, 5),
673 Error::<Test>::TokenNotFound
674 );
675758
676 assert_eq!(TemplateModule::balance_count(1, 1), 0);759 // check balance (collection with id = 1, user id = 1)
760 assert_eq!(TemplateModule::balance_count(1, 1), 1);
761
677 });762 // burn item
763 assert_ok!(TemplateModule::burn_item(origin1.clone(), 1, 1, 5));
764 assert_noop!(
765 TemplateModule::burn_item(origin1, 1, 1, 5),
766 Error::<Test>::TokenNotFound
767 );
768
769 assert_eq!(TemplateModule::balance_count(1, 1), 0);
770 });
678}771}
679772
680#[test]773#[test]
681fn burn_fungible_item() {774fn burn_fungible_item() {
682 new_test_ext().execute_with(|| {775 new_test_ext().execute_with(|| {
683 default_limits();776 default_limits();
684
685 let collection_id = create_test_collection(&CollectionMode::Fungible(3), 1);
686
687 let origin1 = Origin::signed(1);
688 assert_ok!(TemplateModule::add_collection_admin(origin1.clone(), collection_id, 2));
689
690 let data = default_fungible_data();
691 create_test_item(collection_id, &data.into());
692777
693 // check balance (collection with id = 1, user id = 1)778 let collection_id = create_test_collection(&CollectionMode::Fungible(3), 1);
694 assert_eq!(TemplateModule::balance_count(1, 1), 5);
695779
696 // burn item780 let origin1 = Origin::signed(1);
697 assert_ok!(TemplateModule::burn_item(origin1.clone(), 1, 1, 5));
698 assert_noop!(781 assert_ok!(TemplateModule::add_collection_admin(
699 TemplateModule::burn_item(origin1.clone(), 1, 1, 5),782 origin1.clone(),
700 Error::<Test>::TokenValueNotEnough783 collection_id,
784 account(2)
701 );785 ));
702786
703 assert_eq!(TemplateModule::balance_count(1, 1), 0);787 let data = default_fungible_data();
788 create_test_item(collection_id, &data.into());
789
790 // check balance (collection with id = 1, user id = 1)
791 assert_eq!(TemplateModule::balance_count(1, 1), 5);
792
704 });793 // burn item
794 assert_ok!(TemplateModule::burn_item(origin1.clone(), 1, 1, 5));
795 assert_noop!(
796 TemplateModule::burn_item(origin1, 1, 1, 5),
797 Error::<Test>::TokenValueNotEnough
798 );
799
800 assert_eq!(TemplateModule::balance_count(1, 1), 0);
801 });
705}802}
706803
707#[test]804#[test]
708fn burn_refungible_item() {805fn burn_refungible_item() {
709 new_test_ext().execute_with(|| {806 new_test_ext().execute_with(|| {
710 default_limits();807 default_limits();
711
712 let collection_id = create_test_collection(&CollectionMode::ReFungible, 1);
713 let origin1 = Origin::signed(1);
714808
715 assert_ok!(TemplateModule::set_mint_permission(809 let collection_id = create_test_collection(&CollectionMode::ReFungible, 1);
716 origin1.clone(),
717 collection_id,
718 true
719 ));
720 assert_ok!(TemplateModule::set_public_access_mode(810 let origin1 = Origin::signed(1);
721 origin1.clone(),
722 collection_id,
723 AccessMode::WhiteList
724 ));
725 assert_ok!(TemplateModule::add_to_white_list(origin1.clone(), 1, 1));
726811
727 assert_ok!(TemplateModule::add_collection_admin(origin1.clone(), 1, 2));812 assert_ok!(TemplateModule::set_mint_permission(
728 813 origin1.clone(),
814 collection_id,
815 true
816 ));
817 assert_ok!(TemplateModule::set_public_access_mode(
729 let data = default_re_fungible_data();818 origin1.clone(),
819 collection_id,
820 AccessMode::WhiteList
821 ));
730 create_test_item(collection_id, &data.into());822 assert_ok!(TemplateModule::add_to_white_list(
823 origin1.clone(),
824 1,
825 account(1)
826 ));
731827
732 // check balance (collection with id = 1, user id = 2)
733 assert_eq!(TemplateModule::balance_count(1, 1), 1023);828 assert_ok!(TemplateModule::add_collection_admin(
829 origin1.clone(),
830 1,
831 account(2)
832 ));
734833
735 // burn item834 let data = default_re_fungible_data();
736 assert_ok!(TemplateModule::burn_item(origin1.clone(), 1, 1, 1023));
737 assert_noop!(835 create_test_item(collection_id, &data.into());
738 TemplateModule::burn_item(origin1.clone(), 1, 1, 1023),
739 Error::<Test>::TokenNotFound
740 );
741836
742 assert_eq!(TemplateModule::balance_count(1, 1), 0);837 // check balance (collection with id = 1, user id = 2)
838 assert_eq!(TemplateModule::balance_count(1, 1), 1023);
839
743 });840 // burn item
841 assert_ok!(TemplateModule::burn_item(origin1.clone(), 1, 1, 1023));
842 assert_noop!(
843 TemplateModule::burn_item(origin1, 1, 1, 1023),
844 Error::<Test>::TokenNotFound
845 );
846
847 assert_eq!(TemplateModule::balance_count(1, 1), 0);
848 });
744}849}
745850
746#[test]851#[test]
747fn add_collection_admin() {852fn add_collection_admin() {
748 new_test_ext().execute_with(|| {853 new_test_ext().execute_with(|| {
749 default_limits();854 default_limits();
750
751 let collection1_id = create_test_collection_for_owner(&CollectionMode::NFT, 1, 1);
752 create_test_collection_for_owner(&CollectionMode::NFT, 2, 2);
753 create_test_collection_for_owner(&CollectionMode::NFT, 3, 3);
754
755 let origin1 = Origin::signed(1);
756855
757 // collection admin856 let collection1_id = create_test_collection_for_owner(&CollectionMode::NFT, 1, 1);
758 assert_ok!(TemplateModule::add_collection_admin(origin1.clone(), collection1_id, 2));857 create_test_collection_for_owner(&CollectionMode::NFT, 2, 2);
759 assert_ok!(TemplateModule::add_collection_admin(origin1.clone(), collection1_id, 3));858 create_test_collection_for_owner(&CollectionMode::NFT, 3, 3);
760859
761 assert_eq!(TemplateModule::admin_list_collection(collection1_id).contains(&2), true);860 let origin1 = Origin::signed(1);
861
862 // collection admin
863 assert_ok!(TemplateModule::add_collection_admin(
864 origin1.clone(),
865 collection1_id,
866 account(2)
867 ));
868 assert_ok!(TemplateModule::add_collection_admin(
869 origin1,
870 collection1_id,
871 account(3)
872 ));
873
874 assert!(TemplateModule::admin_list_collection(collection1_id).contains(&account(2)),);
762 assert_eq!(TemplateModule::admin_list_collection(collection1_id).contains(&3), true);875 assert!(TemplateModule::admin_list_collection(collection1_id).contains(&account(3)),);
763 });876 });
764}877}
765878
766#[test]879#[test]
767fn remove_collection_admin() {880fn remove_collection_admin() {
768 new_test_ext().execute_with(|| {881 new_test_ext().execute_with(|| {
769 default_limits();882 default_limits();
770
771 let collection1_id = create_test_collection_for_owner(&CollectionMode::NFT, 1, 1);
772 create_test_collection_for_owner(&CollectionMode::NFT, 2, 2);
773 create_test_collection_for_owner(&CollectionMode::NFT, 3, 3);
774883
775 let origin1 = Origin::signed(1);884 let collection1_id = create_test_collection_for_owner(&CollectionMode::NFT, 1, 1);
776 let origin2 = Origin::signed(2);885 create_test_collection_for_owner(&CollectionMode::NFT, 2, 2);
886 create_test_collection_for_owner(&CollectionMode::NFT, 3, 3);
777887
778 // collection admin888 let origin1 = Origin::signed(1);
779 assert_ok!(TemplateModule::add_collection_admin(origin1.clone(), collection1_id, 2));
780 assert_ok!(TemplateModule::add_collection_admin(origin1.clone(), collection1_id, 3));889 let origin2 = Origin::signed(2);
781890
782 assert_eq!(TemplateModule::admin_list_collection(1).contains(&2), true);891 // collection admin
892 assert_ok!(TemplateModule::add_collection_admin(
893 origin1.clone(),
894 collection1_id,
895 account(2)
896 ));
783 assert_eq!(TemplateModule::admin_list_collection(1).contains(&3), true);897 assert_ok!(TemplateModule::add_collection_admin(
898 origin1,
899 collection1_id,
900 account(3)
901 ));
784902
903 assert!(TemplateModule::admin_list_collection(1).contains(&account(2)),);
904 assert!(TemplateModule::admin_list_collection(1).contains(&account(3)),);
905
785 // remove admin906 // remove admin
786 assert_ok!(TemplateModule::remove_collection_admin(907 assert_ok!(TemplateModule::remove_collection_admin(
787 origin2.clone(),908 origin2,
788 1,909 1,
789 3910 account(3)
790 ));911 ));
791 assert_eq!(TemplateModule::admin_list_collection(1).contains(&3), false);912 assert!(!TemplateModule::admin_list_collection(1).contains(&account(3)),);
792 });913 });
793}914}
794915
795#[test]916#[test]
796fn balance_of() {917fn balance_of() {
797 new_test_ext().execute_with(|| {918 new_test_ext().execute_with(|| {
798 default_limits();919 default_limits();
799
800 let nft_collection_id = create_test_collection(&CollectionMode::NFT, 1);
801 let fungible_collection_id = create_test_collection(&CollectionMode::Fungible(3), 2);
802 let re_fungible_collection_id = create_test_collection(&CollectionMode::ReFungible, 3);
803
804 // check balance before
805 assert_eq!(TemplateModule::balance_count(nft_collection_id, 1), 0);
806 assert_eq!(TemplateModule::balance_count(fungible_collection_id, 1), 0);
807 assert_eq!(TemplateModule::balance_count(re_fungible_collection_id, 1), 0);
808920
809 let nft_data = default_nft_data();921 let nft_collection_id = create_test_collection(&CollectionMode::NFT, 1);
810 create_test_item(nft_collection_id, &nft_data.into());
811
812 let fungible_data = default_fungible_data();922 let fungible_collection_id = create_test_collection(&CollectionMode::Fungible(3), 2);
813 create_test_item(fungible_collection_id, &fungible_data.into());
814
815 let re_fungible_data = default_re_fungible_data();923 let re_fungible_collection_id = create_test_collection(&CollectionMode::ReFungible, 3);
816 create_test_item(re_fungible_collection_id, &re_fungible_data.into());
817924
818 // check balance (collection with id = 1, user id = 1)925 // check balance before
926 assert_eq!(TemplateModule::balance_count(nft_collection_id, 1), 0);
927 assert_eq!(TemplateModule::balance_count(fungible_collection_id, 1), 0);
928 assert_eq!(
929 TemplateModule::balance_count(re_fungible_collection_id, 1),
930 0
931 );
932
933 let nft_data = default_nft_data();
934 create_test_item(nft_collection_id, &nft_data.into());
935
936 let fungible_data = default_fungible_data();
937 create_test_item(fungible_collection_id, &fungible_data.into());
938
939 let re_fungible_data = default_re_fungible_data();
940 create_test_item(re_fungible_collection_id, &re_fungible_data.into());
941
942 // check balance (collection with id = 1, user id = 1)
819 assert_eq!(TemplateModule::balance_count(nft_collection_id, 1), 1);943 assert_eq!(TemplateModule::balance_count(nft_collection_id, 1), 1);
820 assert_eq!(TemplateModule::balance_count(fungible_collection_id, 1), 5);944 assert_eq!(TemplateModule::balance_count(fungible_collection_id, 1), 5);
821 assert_eq!(TemplateModule::balance_count(re_fungible_collection_id, 1), 1023);945 assert_eq!(
946 TemplateModule::balance_count(re_fungible_collection_id, 1),
947 1023
948 );
822 assert_eq!(TemplateModule::nft_item_id(nft_collection_id, 1).unwrap().owner, 1);949 assert_eq!(
950 TemplateModule::nft_item_id(nft_collection_id, 1)
951 .unwrap()
952 .owner,
953 account(1)
954 );
823 assert_eq!(TemplateModule::fungible_item_id(fungible_collection_id, 1).value, 5);955 assert_eq!(
956 TemplateModule::fungible_item_id(fungible_collection_id, 1).value,
957 5
958 );
824 assert_eq!(TemplateModule::refungible_item_id(re_fungible_collection_id, 1).unwrap().owner[0].owner, 1);959 assert_eq!(
960 TemplateModule::refungible_item_id(re_fungible_collection_id, 1)
961 .unwrap()
962 .owner[0]
963 .owner,
964 account(1)
965 );
825 });966 });
826}967}
827968
828#[test]969#[test]
829fn approve() {970fn approve() {
830 new_test_ext().execute_with(|| {971 new_test_ext().execute_with(|| {
831 default_limits();972 default_limits();
832
833 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
834
835 let data = default_nft_data();
836 create_test_item(collection_id, &data.into());
837973
838 let origin1 = Origin::signed(1);974 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
839 975
976 let data = default_nft_data();
977 create_test_item(collection_id, &data.into());
978
979 let origin1 = Origin::signed(1);
980
840 // approve981 // approve
841 assert_ok!(TemplateModule::approve(origin1.clone(), 2, 1, 1, 1));982 assert_ok!(TemplateModule::approve(origin1, account(2), 1, 1, 1));
842 assert_eq!(TemplateModule::approved(1, (1, 1, 2)), 1);983 assert_eq!(TemplateModule::approved(1, (1, 1, 2)), 1);
843 });984 });
844}985}
845986
846#[test]987#[test]
847fn transfer_from() {988fn transfer_from() {
848 new_test_ext().execute_with(|| {989 new_test_ext().execute_with(|| {
849 default_limits();990 default_limits();
850
851 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
852 let origin1 = Origin::signed(1);
853 let origin2 = Origin::signed(2);
854991
855 let data = default_nft_data();992 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
993 let origin1 = Origin::signed(1);
856 create_test_item(collection_id, &data.into());994 let origin2 = Origin::signed(2);
857995
858 // approve996 let data = default_nft_data();
859 assert_ok!(TemplateModule::approve(origin1.clone(), 2, 1, 1, 1));
860 assert_eq!(TemplateModule::approved(1, (1, 1, 2)), 1);997 create_test_item(collection_id, &data.into());
861998
862 assert_ok!(TemplateModule::set_mint_permission(999 // approve
1000 assert_ok!(TemplateModule::approve(
863 origin1.clone(),1001 origin1.clone(),
864 1,
865 true
866 ));
867 assert_ok!(TemplateModule::set_public_access_mode(1002 account(2),
868 origin1.clone(),
869 1,1003 1,
870 AccessMode::WhiteList1004 1,
1005 1
871 ));1006 ));
872 assert_ok!(TemplateModule::add_to_white_list(origin1.clone(), 1, 1));1007 assert_eq!(TemplateModule::approved(1, (1, 1, 2)), 1);
873 assert_ok!(TemplateModule::add_to_white_list(origin1.clone(), 1, 2));
874 assert_ok!(TemplateModule::add_to_white_list(origin1.clone(), 1, 3));
8751008
876 assert_ok!(TemplateModule::transfer_from(1009 assert_ok!(TemplateModule::set_mint_permission(
877 origin2.clone(),1010 origin1.clone(),
878 1,1011 1,
1012 true
1013 ));
1014 assert_ok!(TemplateModule::set_public_access_mode(
879 2,1015 origin1.clone(),
880 1,1016 1,
1017 AccessMode::WhiteList
1018 ));
1019 assert_ok!(TemplateModule::add_to_white_list(
1020 origin1.clone(),
881 1,1021 1,
882 11022 account(1)
1023 ));
1024 assert_ok!(TemplateModule::add_to_white_list(
1025 origin1.clone(),
1026 1,
1027 account(2)
1028 ));
883 ));1029 assert_ok!(TemplateModule::add_to_white_list(origin1, 1, account(3)));
8841030
1031 assert_ok!(TemplateModule::transfer_from(
1032 origin2,
1033 account(1),
1034 account(2),
1035 1,
1036 1,
1037 1
1038 ));
1039
885 // after transfer1040 // after transfer
886 assert_eq!(TemplateModule::balance_count(1, 1), 0);1041 assert_eq!(TemplateModule::balance_count(1, 1), 0);
887 assert_eq!(TemplateModule::balance_count(1, 2), 1);1042 assert_eq!(TemplateModule::balance_count(1, 2), 1);
888 });1043 });
889}1044}
8901045
891// #endregion1046// #endregion
8951050
896#[test]1051#[test]
897fn owner_can_add_address_to_white_list() {1052fn owner_can_add_address_to_white_list() {
898 new_test_ext().execute_with(|| {1053 new_test_ext().execute_with(|| {
899 default_limits();1054 default_limits();
900
901 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
9021055
903 let origin1 = Origin::signed(1);1056 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
1057
1058 let origin1 = Origin::signed(1);
904 assert_ok!(TemplateModule::add_to_white_list(origin1.clone(), collection_id, 2));1059 assert_ok!(TemplateModule::add_to_white_list(
1060 origin1,
1061 collection_id,
1062 account(2)
1063 ));
905 assert_eq!(TemplateModule::white_list(collection_id, 2), true);1064 assert!(TemplateModule::white_list(collection_id, 2));
906 });1065 });
907}1066}
9081067
909#[test]1068#[test]
910fn admin_can_add_address_to_white_list() {1069fn admin_can_add_address_to_white_list() {
911 new_test_ext().execute_with(|| {1070 new_test_ext().execute_with(|| {
912 default_limits();1071 default_limits();
913
914 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
915 let origin1 = Origin::signed(1);
916 let origin2 = Origin::signed(2);
9171072
918 assert_ok!(TemplateModule::add_collection_admin(origin1.clone(), collection_id, 2));1073 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
1074 let origin1 = Origin::signed(1);
1075 let origin2 = Origin::signed(2);
1076
1077 assert_ok!(TemplateModule::add_collection_admin(
1078 origin1,
1079 collection_id,
1080 account(2)
1081 ));
919 assert_ok!(TemplateModule::add_to_white_list(origin2.clone(), collection_id, 3));1082 assert_ok!(TemplateModule::add_to_white_list(
1083 origin2,
1084 collection_id,
1085 account(3)
1086 ));
920 assert_eq!(TemplateModule::white_list(collection_id, 3), true);1087 assert!(TemplateModule::white_list(collection_id, 3));
921 });1088 });
922}1089}
9231090
924#[test]1091#[test]
925fn nonprivileged_user_cannot_add_address_to_white_list() {1092fn nonprivileged_user_cannot_add_address_to_white_list() {
926 new_test_ext().execute_with(|| {1093 new_test_ext().execute_with(|| {
927 default_limits();1094 default_limits();
928
929 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
9301095
931 let origin2 = Origin::signed(2);1096 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
1097
1098 let origin2 = Origin::signed(2);
932 assert_noop!(1099 assert_noop!(
933 TemplateModule::add_to_white_list(origin2.clone(), collection_id, 3),1100 TemplateModule::add_to_white_list(origin2, collection_id, account(3)),
934 Error::<Test>::NoPermission1101 Error::<Test>::NoPermission
935 );1102 );
936 });1103 });
937}1104}
9381105
939#[test]1106#[test]
940fn nobody_can_add_address_to_white_list_of_nonexisting_collection() {1107fn nobody_can_add_address_to_white_list_of_nonexisting_collection() {
941 new_test_ext().execute_with(|| {1108 new_test_ext().execute_with(|| {
942 default_limits();1109 default_limits();
9431110
944 let origin1 = Origin::signed(1);1111 let origin1 = Origin::signed(1);
9451112
946 assert_noop!(1113 assert_noop!(
947 TemplateModule::add_to_white_list(origin1.clone(), 1, 2),1114 TemplateModule::add_to_white_list(origin1, 1, account(2)),
948 Error::<Test>::CollectionNotFound1115 Error::<Test>::CollectionNotFound
949 );1116 );
950 });1117 });
951}1118}
9521119
953#[test]1120#[test]
954fn nobody_can_add_address_to_white_list_of_deleted_collection() {1121fn nobody_can_add_address_to_white_list_of_deleted_collection() {
955 new_test_ext().execute_with(|| {1122 new_test_ext().execute_with(|| {
956 default_limits();1123 default_limits();
957
958 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
9591124
960 let origin1 = Origin::signed(1);1125 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
1126
1127 let origin1 = Origin::signed(1);
961 assert_ok!(TemplateModule::destroy_collection(origin1.clone(), collection_id));1128 assert_ok!(TemplateModule::destroy_collection(
1129 origin1.clone(),
1130 collection_id
1131 ));
962 assert_noop!(1132 assert_noop!(
963 TemplateModule::add_to_white_list(origin1.clone(), collection_id, 2),1133 TemplateModule::add_to_white_list(origin1, collection_id, account(2)),
964 Error::<Test>::CollectionNotFound1134 Error::<Test>::CollectionNotFound
965 );1135 );
966 });1136 });
967}1137}
9681138
969// If address is already added to white list, nothing happens1139// If address is already added to white list, nothing happens
970#[test]1140#[test]
971fn address_is_already_added_to_white_list() {1141fn address_is_already_added_to_white_list() {
972 new_test_ext().execute_with(|| {1142 new_test_ext().execute_with(|| {
973 default_limits();1143 default_limits();
974 1144
975 let collection_id = create_test_collection(&CollectionMode::NFT, 1);1145 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
976 let origin1 = Origin::signed(1);1146 let origin1 = Origin::signed(1);
977 1147
978 assert_ok!(TemplateModule::add_to_white_list(origin1.clone(), collection_id, 2));1148 assert_ok!(TemplateModule::add_to_white_list(
1149 origin1.clone(),
1150 collection_id,
1151 account(2)
1152 ));
979 assert_ok!(TemplateModule::add_to_white_list(origin1.clone(), collection_id, 2));1153 assert_ok!(TemplateModule::add_to_white_list(
1154 origin1,
1155 collection_id,
1156 account(2)
1157 ));
980 assert_eq!(TemplateModule::white_list(collection_id, 2), true);1158 assert!(TemplateModule::white_list(collection_id, 2));
981 });1159 });
982}1160}
9831161
984#[test]1162#[test]
985fn owner_can_remove_address_from_white_list() {1163fn owner_can_remove_address_from_white_list() {
986 new_test_ext().execute_with(|| {1164 new_test_ext().execute_with(|| {
987 default_limits();1165 default_limits();
988
989 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
9901166
991 let origin1 = Origin::signed(1);1167 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
1168
1169 let origin1 = Origin::signed(1);
992 assert_ok!(TemplateModule::add_to_white_list(origin1.clone(), collection_id, 2));1170 assert_ok!(TemplateModule::add_to_white_list(
1171 origin1.clone(),
1172 collection_id,
1173 account(2)
1174 ));
993 assert_ok!(TemplateModule::remove_from_white_list(1175 assert_ok!(TemplateModule::remove_from_white_list(
994 origin1.clone(),1176 origin1,
995 collection_id,1177 collection_id,
996 21178 account(2)
997 ));1179 ));
998 assert_eq!(TemplateModule::white_list(collection_id, 2), false);1180 assert!(!TemplateModule::white_list(collection_id, 2));
999 });1181 });
1000}1182}
10011183
1002#[test]1184#[test]
1003fn admin_can_remove_address_from_white_list() {1185fn admin_can_remove_address_from_white_list() {
1004 new_test_ext().execute_with(|| {1186 new_test_ext().execute_with(|| {
1005 default_limits();1187 default_limits();
1006
1007 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
1008 let origin1 = Origin::signed(1);
1009 let origin2 = Origin::signed(2);
10101188
1011 assert_ok!(TemplateModule::add_collection_admin(origin1.clone(), collection_id, 2));1189 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
1190 let origin1 = Origin::signed(1);
1191 let origin2 = Origin::signed(2);
10121192
1013 assert_ok!(TemplateModule::add_to_white_list(origin1.clone(), collection_id, 3));1193 assert_ok!(TemplateModule::add_collection_admin(
1194 origin1.clone(),
1195 collection_id,
1196 account(2)
1197 ));
1198
1199 assert_ok!(TemplateModule::add_to_white_list(
1200 origin1,
1201 collection_id,
1202 account(3)
1203 ));
1014 assert_ok!(TemplateModule::remove_from_white_list(1204 assert_ok!(TemplateModule::remove_from_white_list(
1015 origin2.clone(),1205 origin2,
1016 collection_id,1206 collection_id,
1017 31207 account(3)
1018 ));1208 ));
1019 assert_eq!(TemplateModule::white_list(collection_id, 3), false);1209 assert!(!TemplateModule::white_list(collection_id, 3));
1020 });1210 });
1021}1211}
10221212
1023#[test]1213#[test]
1024fn nonprivileged_user_cannot_remove_address_from_white_list() {1214fn nonprivileged_user_cannot_remove_address_from_white_list() {
1025 new_test_ext().execute_with(|| {1215 new_test_ext().execute_with(|| {
1026 default_limits();1216 default_limits();
1027
1028 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
1029 let origin1 = Origin::signed(1);
1030 let origin2 = Origin::signed(2);
10311217
1032 assert_ok!(TemplateModule::add_to_white_list(origin1.clone(), collection_id, 2));1218 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
1219 let origin1 = Origin::signed(1);
1220 let origin2 = Origin::signed(2);
1221
1222 assert_ok!(TemplateModule::add_to_white_list(
1223 origin1,
1224 collection_id,
1225 account(2)
1226 ));
1033 assert_noop!(1227 assert_noop!(
1034 TemplateModule::remove_from_white_list(origin2.clone(), collection_id, 2),1228 TemplateModule::remove_from_white_list(origin2, collection_id, account(2)),
1035 Error::<Test>::NoPermission1229 Error::<Test>::NoPermission
1036 );1230 );
1037 assert_eq!(TemplateModule::white_list(collection_id, 2), true);1231 assert!(TemplateModule::white_list(collection_id, 2));
1038 });1232 });
1039}1233}
10401234
1041#[test]1235#[test]
1042fn nobody_can_remove_address_from_white_list_of_nonexisting_collection() {1236fn nobody_can_remove_address_from_white_list_of_nonexisting_collection() {
1043 new_test_ext().execute_with(|| {1237 new_test_ext().execute_with(|| {
1044 default_limits();1238 default_limits();
1045 let origin1 = Origin::signed(1);1239 let origin1 = Origin::signed(1);
10461240
1047 assert_noop!(1241 assert_noop!(
1048 TemplateModule::remove_from_white_list(origin1.clone(), 1, 2),1242 TemplateModule::remove_from_white_list(origin1, 1, account(2)),
1049 Error::<Test>::CollectionNotFound1243 Error::<Test>::CollectionNotFound
1050 );1244 );
1051 });1245 });
1052}1246}
10531247
1054#[test]1248#[test]
1055fn nobody_can_remove_address_from_white_list_of_deleted_collection() {1249fn nobody_can_remove_address_from_white_list_of_deleted_collection() {
1056 new_test_ext().execute_with(|| {1250 new_test_ext().execute_with(|| {
1057 default_limits();1251 default_limits();
1058
1059 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
1060 let origin1 = Origin::signed(1);
1061 let origin2 = Origin::signed(2);
10621252
1063 assert_ok!(TemplateModule::add_to_white_list(origin1.clone(), collection_id, 2));1253 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
1254 let origin1 = Origin::signed(1);
1255 let origin2 = Origin::signed(2);
1256
1257 assert_ok!(TemplateModule::add_to_white_list(
1258 origin1.clone(),
1259 collection_id,
1260 account(2)
1261 ));
1064 assert_ok!(TemplateModule::destroy_collection(origin1.clone(), collection_id));1262 assert_ok!(TemplateModule::destroy_collection(origin1, collection_id));
1065 assert_noop!(1263 assert_noop!(
1066 TemplateModule::remove_from_white_list(origin2.clone(), collection_id, 2),1264 TemplateModule::remove_from_white_list(origin2, collection_id, account(2)),
1067 Error::<Test>::CollectionNotFound1265 Error::<Test>::CollectionNotFound
1068 );1266 );
1069 assert_eq!(TemplateModule::white_list(collection_id, 2), false);1267 assert!(!TemplateModule::white_list(collection_id, 2));
1070 });1268 });
1071}1269}
10721270
1073// If address is already removed from white list, nothing happens1271// If address is already removed from white list, nothing happens
1074#[test]1272#[test]
1075fn address_is_already_removed_from_white_list() {1273fn address_is_already_removed_from_white_list() {
1076 new_test_ext().execute_with(|| {1274 new_test_ext().execute_with(|| {
1077 default_limits();1275 default_limits();
1078
1079 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
1080 let origin1 = Origin::signed(1);
10811276
1082 assert_ok!(TemplateModule::add_to_white_list(origin1.clone(), collection_id, 2));1277 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
1278 let origin1 = Origin::signed(1);
1279
1280 assert_ok!(TemplateModule::add_to_white_list(
1281 origin1.clone(),
1282 collection_id,
1283 account(2)
1284 ));
1083 assert_ok!(TemplateModule::remove_from_white_list(1285 assert_ok!(TemplateModule::remove_from_white_list(
1084 origin1.clone(),1286 origin1.clone(),
1085 collection_id,1287 collection_id,
1086 21288 account(2)
1087 ));1289 ));
1088 assert_ok!(TemplateModule::remove_from_white_list(1290 assert_ok!(TemplateModule::remove_from_white_list(
1089 origin1.clone(),1291 origin1,
1090 collection_id,1292 collection_id,
1091 21293 account(2)
1092 ));1294 ));
1093 assert_eq!(TemplateModule::white_list(collection_id, 2), false);1295 assert!(!TemplateModule::white_list(collection_id, 2));
1094 });1296 });
1095}1297}
10961298
1097// If Public Access mode is set to WhiteList, tokens can’t be transferred from a non-whitelisted address with transfer or transferFrom (2 tests)1299// If Public Access mode is set to WhiteList, tokens can’t be transferred from a non-whitelisted address with transfer or transferFrom (2 tests)
1098#[test]1300#[test]
1099fn white_list_test_1() {1301fn white_list_test_1() {
1100 new_test_ext().execute_with(|| {1302 new_test_ext().execute_with(|| {
1101 default_limits();1303 default_limits();
1102
1103 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
11041304
1105 let origin1 = Origin::signed(1);1305 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
1106
1107 let data = default_nft_data();
1108 create_test_item(collection_id, &data.into());
11091306
1110 assert_ok!(TemplateModule::set_public_access_mode(1307 let origin1 = Origin::signed(1);
1111 origin1.clone(),
1112 collection_id,
1113 AccessMode::WhiteList
1114 ));
1115 assert_ok!(TemplateModule::add_to_white_list(origin1.clone(), collection_id, 2));
11161308
1117 assert_noop!(1309 let data = default_nft_data();
1310 create_test_item(collection_id, &data.into());
1311
1312 assert_ok!(TemplateModule::set_public_access_mode(
1313 origin1.clone(),
1314 collection_id,
1315 AccessMode::WhiteList
1316 ));
1118 TemplateModule::transfer(origin1.clone(), 3, 1, 1, 1),1317 assert_ok!(TemplateModule::add_to_white_list(
1318 origin1.clone(),
1319 collection_id,
1320 account(2)
1321 ));
1322
1323 assert_noop!(
1324 TemplateModule::transfer(origin1, account(3), 1, 1, 1),
1119 Error::<Test>::AddresNotInWhiteList1325 Error::<Test>::AddresNotInWhiteList
1120 );1326 );
1121 });1327 });
1122}1328}
11231329
1124#[test]1330#[test]
1125fn white_list_test_2() {1331fn white_list_test_2() {
1126 new_test_ext().execute_with(|| {1332 new_test_ext().execute_with(|| {
1127 default_limits();1333 default_limits();
1128
1129 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
1130 let origin1 = Origin::signed(1);
1131
1132 let data = default_nft_data();
1133 create_test_item(collection_id, &data.into());
11341334
1135 assert_ok!(TemplateModule::set_public_access_mode(1335 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
1136 origin1.clone(),
1137 collection_id,
1138 AccessMode::WhiteList
1139 ));
1140 assert_ok!(TemplateModule::add_to_white_list(origin1.clone(), 1, 1));
1141 assert_ok!(TemplateModule::add_to_white_list(origin1.clone(), 1, 2));1336 let origin1 = Origin::signed(1);
11421337
1143 // do approve1338 let data = default_nft_data();
1144 assert_ok!(TemplateModule::approve(origin1.clone(), 1, 1, 1, 1));
1145 assert_eq!(TemplateModule::approved(1, (1, 1, 1)), 1);1339 create_test_item(collection_id, &data.into());
11461340
1147 assert_ok!(TemplateModule::remove_from_white_list(1341 assert_ok!(TemplateModule::set_public_access_mode(
1148 origin1.clone(),1342 origin1.clone(),
1343 collection_id,
1344 AccessMode::WhiteList
1345 ));
1346 assert_ok!(TemplateModule::add_to_white_list(
1347 origin1.clone(),
1149 1,1348 1,
1150 11349 account(1)
1350 ));
1351 assert_ok!(TemplateModule::add_to_white_list(
1352 origin1.clone(),
1353 1,
1354 account(2)
1151 ));1355 ));
11521356
1153 assert_noop!(1357 // do approve
1358 assert_ok!(TemplateModule::approve(
1359 origin1.clone(),
1360 account(1),
1361 1,
1362 1,
1363 1
1364 ));
1154 TemplateModule::transfer_from(origin1.clone(), 1, 3, 1, 1, 1),1365 assert_eq!(TemplateModule::approved(1, (1, 1, 1)), 1);
1366
1367 assert_ok!(TemplateModule::remove_from_white_list(
1368 origin1.clone(),
1369 1,
1370 account(1)
1371 ));
1372
1373 assert_noop!(
1374 TemplateModule::transfer_from(origin1, account(1), account(3), 1, 1, 1),
1155 Error::<Test>::AddresNotInWhiteList1375 Error::<Test>::AddresNotInWhiteList
1156 );1376 );
1157 });1377 });
1158}1378}
11591379
1160// If Public Access mode is set to WhiteList, tokens can’t be transferred to a non-whitelisted address with transfer or transferFrom (2 tests)1380// If Public Access mode is set to WhiteList, tokens can’t be transferred to a non-whitelisted address with transfer or transferFrom (2 tests)
1161#[test]1381#[test]
1162fn white_list_test_3() {1382fn white_list_test_3() {
1163 new_test_ext().execute_with(|| {1383 new_test_ext().execute_with(|| {
1164 default_limits();1384 default_limits();
1165
1166 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
11671385
1168 let origin1 = Origin::signed(1);1386 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
1169
1170 let data = default_nft_data();
1171 create_test_item(collection_id, &data.into());
11721387
1173 assert_ok!(TemplateModule::set_public_access_mode(1388 let origin1 = Origin::signed(1);
1174 origin1.clone(),
1175 collection_id,
1176 AccessMode::WhiteList
1177 ));
1178 assert_ok!(TemplateModule::add_to_white_list(origin1.clone(), 1, 1));
11791389
1180 assert_noop!(1390 let data = default_nft_data();
1391 create_test_item(collection_id, &data.into());
1392
1393 assert_ok!(TemplateModule::set_public_access_mode(
1394 origin1.clone(),
1395 collection_id,
1396 AccessMode::WhiteList
1397 ));
1181 TemplateModule::transfer(origin1.clone(), 3, 1, 1, 1),1398 assert_ok!(TemplateModule::add_to_white_list(
1399 origin1.clone(),
1400 1,
1401 account(1)
1402 ));
1403
1404 assert_noop!(
1405 TemplateModule::transfer(origin1, account(3), 1, 1, 1),
1182 Error::<Test>::AddresNotInWhiteList1406 Error::<Test>::AddresNotInWhiteList
1183 );1407 );
1184 });1408 });
1185}1409}
11861410
1187#[test]1411#[test]
1188fn white_list_test_4() {1412fn white_list_test_4() {
1189 new_test_ext().execute_with(|| {1413 new_test_ext().execute_with(|| {
1190 default_limits();1414 default_limits();
1191
1192 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
11931415
1194 let origin1 = Origin::signed(1);1416 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
11951417
1196 let data = default_nft_data();1418 let origin1 = Origin::signed(1);
1197 create_test_item(collection_id, &data.into());
11981419
1199 assert_ok!(TemplateModule::set_public_access_mode(1420 let data = default_nft_data();
1200 origin1.clone(),
1201 collection_id,
1202 AccessMode::WhiteList
1203 ));
1204 assert_ok!(TemplateModule::add_to_white_list(origin1.clone(), collection_id, 1));1421 create_test_item(collection_id, &data.into());
1205 assert_ok!(TemplateModule::add_to_white_list(origin1.clone(), collection_id, 2));
12061422
1207 // do approve
1208 assert_ok!(TemplateModule::approve(origin1.clone(), 1, 1, 1, 1));1423 assert_ok!(TemplateModule::set_public_access_mode(
1424 origin1.clone(),
1425 collection_id,
1426 AccessMode::WhiteList
1427 ));
1428 assert_ok!(TemplateModule::add_to_white_list(
1429 origin1.clone(),
1430 collection_id,
1431 account(1)
1432 ));
1209 assert_eq!(TemplateModule::approved(1, (1, 1, 1)), 1);1433 assert_ok!(TemplateModule::add_to_white_list(
1434 origin1.clone(),
1435 collection_id,
1436 account(2)
1437 ));
12101438
1211 assert_ok!(TemplateModule::remove_from_white_list(1439 // do approve
1440 assert_ok!(TemplateModule::approve(
1212 origin1.clone(),1441 origin1.clone(),
1213 collection_id,1442 account(1),
1214 21443 1,
1444 1,
1445 1
1446 ));
1215 ));1447 assert_eq!(TemplateModule::approved(1, (1, 1, 1)), 1);
12161448
1217 assert_noop!(1449 assert_ok!(TemplateModule::remove_from_white_list(
1218 TemplateModule::transfer_from(origin1.clone(), 1, 3, 1, 1, 1),1450 origin1.clone(),
1451 collection_id,
1452 account(2)
1453 ));
1454
1455 assert_noop!(
1456 TemplateModule::transfer_from(origin1, account(1), account(3), 1, 1, 1),
1219 Error::<Test>::AddresNotInWhiteList1457 Error::<Test>::AddresNotInWhiteList
1220 );1458 );
1221 });1459 });
1222}1460}
12231461
1224// If Public Access mode is set to WhiteList, tokens can’t be destroyed by a non-whitelisted address (even if it owned them before enabling WhiteList mode)1462// If Public Access mode is set to WhiteList, tokens can’t be destroyed by a non-whitelisted address (even if it owned them before enabling WhiteList mode)
1225#[test]1463#[test]
1226fn white_list_test_5() {1464fn white_list_test_5() {
1227 new_test_ext().execute_with(|| {1465 new_test_ext().execute_with(|| {
1228 default_limits();1466 default_limits();
1229
1230 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
12311467
1232 let origin1 = Origin::signed(1);1468 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
12331469
1234 let data = default_nft_data();1470 let origin1 = Origin::signed(1);
1235 create_test_item(collection_id, &data.into());
12361471
1237 assert_ok!(TemplateModule::set_public_access_mode(1472 let data = default_nft_data();
1473 create_test_item(collection_id, &data.into());
1474
1475 assert_ok!(TemplateModule::set_public_access_mode(
1238 origin1.clone(),1476 origin1.clone(),
1239 collection_id,1477 collection_id,
1240 AccessMode::WhiteList1478 AccessMode::WhiteList
1241 ));1479 ));
1242 assert_noop!(1480 assert_noop!(
1243 TemplateModule::burn_item(origin1.clone(), 1, 1, 5),1481 TemplateModule::burn_item(origin1, 1, 1, 5),
1244 Error::<Test>::AddresNotInWhiteList1482 Error::<Test>::AddresNotInWhiteList
1245 );1483 );
1246 });1484 });
1247}1485}
12481486
1249// If Public Access mode is set to WhiteList, token transfers can’t be Approved by a non-whitelisted address (see Approve method).1487// If Public Access mode is set to WhiteList, token transfers can’t be Approved by a non-whitelisted address (see Approve method).
1250#[test]1488#[test]
1251fn white_list_test_6() {1489fn white_list_test_6() {
1252 new_test_ext().execute_with(|| {1490 new_test_ext().execute_with(|| {
1253 default_limits();1491 default_limits();
1254
1255 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
12561492
1257 let origin1 = Origin::signed(1);1493 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
12581494
1259 let data = default_nft_data();1495 let origin1 = Origin::signed(1);
1260 create_test_item(collection_id, &data.into());
12611496
1262 assert_ok!(TemplateModule::set_public_access_mode(1497 let data = default_nft_data();
1263 origin1.clone(),
1264 collection_id,1498 create_test_item(collection_id, &data.into());
1265 AccessMode::WhiteList
1266 ));
12671499
1500 assert_ok!(TemplateModule::set_public_access_mode(
1501 origin1.clone(),
1502 collection_id,
1503 AccessMode::WhiteList
1504 ));
1505
1268 // do approve1506 // do approve
1269 assert_noop!(1507 assert_noop!(
1270 TemplateModule::approve(origin1.clone(), 1, 1, 1, 5),1508 TemplateModule::approve(origin1, account(1), 1, 1, 5),
1271 Error::<Test>::AddresNotInWhiteList1509 Error::<Test>::AddresNotInWhiteList
1272 );1510 );
1273 });1511 });
1274}1512}
12751513
1276// If Public Access mode is set to WhiteList, tokens can be transferred from a whitelisted address with transfer or transferFrom (2 tests) and1514// If Public Access mode is set to WhiteList, tokens can be transferred from a whitelisted address with transfer or transferFrom (2 tests) and
1277// tokens can be transferred from a whitelisted address with transfer or transferFrom (2 tests)1515// tokens can be transferred from a whitelisted address with transfer or transferFrom (2 tests)
1278#[test]1516#[test]
1279fn white_list_test_7() {1517fn white_list_test_7() {
1280 new_test_ext().execute_with(|| {1518 new_test_ext().execute_with(|| {
1281 default_limits();1519 default_limits();
1282
1283 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
12841520
1285 let data = default_nft_data();1521 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
1286 create_test_item(collection_id, &data.into());
1287
1288 let origin1 = Origin::signed(1);
12891522
1290 assert_ok!(TemplateModule::set_public_access_mode(1523 let data = default_nft_data();
1291 origin1.clone(),
1292 collection_id,
1293 AccessMode::WhiteList
1294 ));
1295 assert_ok!(TemplateModule::add_to_white_list(origin1.clone(), collection_id, 1));1524 create_test_item(collection_id, &data.into());
1296 assert_ok!(TemplateModule::add_to_white_list(origin1.clone(), collection_id, 2));
12971525
1298 assert_ok!(TemplateModule::transfer(origin1.clone(), 2, 1, 1, 1));1526 let origin1 = Origin::signed(1);
1527
1528 assert_ok!(TemplateModule::set_public_access_mode(
1529 origin1.clone(),
1530 collection_id,
1531 AccessMode::WhiteList
1532 ));
1533 assert_ok!(TemplateModule::add_to_white_list(
1534 origin1.clone(),
1535 collection_id,
1536 account(1)
1537 ));
1538 assert_ok!(TemplateModule::add_to_white_list(
1539 origin1.clone(),
1540 collection_id,
1541 account(2)
1542 ));
1543
1544 assert_ok!(TemplateModule::transfer(origin1, account(2), 1, 1, 1));
1299 });1545 });
1300}1546}
13011547
1302#[test]1548#[test]
1303fn white_list_test_8() {1549fn white_list_test_8() {
1304 new_test_ext().execute_with(|| {1550 new_test_ext().execute_with(|| {
1305 default_limits();1551 default_limits();
1306
1307 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
13081552
1309 let data = default_nft_data();1553 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
1310 create_test_item(collection_id, &data.into());
1311
1312 let origin1 = Origin::signed(1);
13131554
1314 assert_ok!(TemplateModule::set_public_access_mode(1555 let data = default_nft_data();
1315 origin1.clone(),
1316 collection_id,
1317 AccessMode::WhiteList
1318 ));
1319 assert_ok!(TemplateModule::add_to_white_list(origin1.clone(), collection_id, 1));1556 create_test_item(collection_id, &data.into());
1320 assert_ok!(TemplateModule::add_to_white_list(origin1.clone(), collection_id, 2));
13211557
1322 // do approve1558 let origin1 = Origin::signed(1);
1323 assert_ok!(TemplateModule::approve(origin1.clone(), 1, 1, 1, 5));
1324 assert_eq!(TemplateModule::approved(1, (1, 1, 1)), 5);
13251559
1560 assert_ok!(TemplateModule::set_public_access_mode(
1561 origin1.clone(),
1562 collection_id,
1563 AccessMode::WhiteList
1564 ));
1565 assert_ok!(TemplateModule::add_to_white_list(
1566 origin1.clone(),
1567 collection_id,
1568 account(1)
1569 ));
1570 assert_ok!(TemplateModule::add_to_white_list(
1571 origin1.clone(),
1572 collection_id,
1573 account(2)
1574 ));
1575
1326 assert_ok!(TemplateModule::transfer_from(1576 // do approve
1577 assert_ok!(TemplateModule::approve(
1327 origin1.clone(),1578 origin1.clone(),
1579 account(1),
1580 1,
1581 1,
1582 5
1583 ));
1328 1,1584 assert_eq!(TemplateModule::approved(1, (1, 1, 1)), 5);
1585
1586 assert_ok!(TemplateModule::transfer_from(
1587 origin1,
1588 account(1),
1329 2,1589 account(2),
1330 1,1590 1,
1331 1,1591 1,
1332 11592 1
1333 ));1593 ));
1334 });1594 });
1335}1595}
13361596
1337// If Public Access mode is set to WhiteList, and Mint Permission is set to false, tokens can be created by owner.1597// If Public Access mode is set to WhiteList, and Mint Permission is set to false, tokens can be created by owner.
1338#[test]1598#[test]
1339fn white_list_test_9() {1599fn white_list_test_9() {
1340 new_test_ext().execute_with(|| {1600 new_test_ext().execute_with(|| {
1341 default_limits();1601 default_limits();
1342
1343 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
1344 let origin1 = Origin::signed(1);
13451602
1346 assert_ok!(TemplateModule::set_public_access_mode(1603 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
1347 origin1.clone(),
1348 collection_id,
1349 AccessMode::WhiteList
1350 ));
1351 assert_ok!(TemplateModule::set_mint_permission(1604 let origin1 = Origin::signed(1);
1352 origin1.clone(),
1353 collection_id,
1354 false
1355 ));
13561605
1606 assert_ok!(TemplateModule::set_public_access_mode(
1607 origin1.clone(),
1608 collection_id,
1609 AccessMode::WhiteList
1610 ));
1611 assert_ok!(TemplateModule::set_mint_permission(
1612 origin1,
1613 collection_id,
1614 false
1615 ));
1616
1357 let data = default_nft_data();1617 let data = default_nft_data();
1358 create_test_item(collection_id, &data.into());1618 create_test_item(collection_id, &data.into());
1359 });1619 });
1360}1620}
13611621
1362// If Public Access mode is set to WhiteList, and Mint Permission is set to false, tokens can be created by admin.1622// If Public Access mode is set to WhiteList, and Mint Permission is set to false, tokens can be created by admin.
1363#[test]1623#[test]
1364fn white_list_test_10() {1624fn white_list_test_10() {
1365 new_test_ext().execute_with(|| {1625 new_test_ext().execute_with(|| {
1366 default_limits();1626 default_limits();
1367
1368 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
13691627
1370 let origin1 = Origin::signed(1);1628 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
1371 let origin2 = Origin::signed(2);
13721629
1373 assert_ok!(TemplateModule::set_public_access_mode(1630 let origin1 = Origin::signed(1);
1374 origin1.clone(),
1375 collection_id,
1376 AccessMode::WhiteList
1377 ));
1378 assert_ok!(TemplateModule::set_mint_permission(1631 let origin2 = Origin::signed(2);
1379 origin1.clone(),
1380 collection_id,
1381 false
1382 ));
13831632
1384 assert_ok!(TemplateModule::add_collection_admin(origin1.clone(), collection_id, 2));1633 assert_ok!(TemplateModule::set_public_access_mode(
1634 origin1.clone(),
1635 collection_id,
1636 AccessMode::WhiteList
1637 ));
1638 assert_ok!(TemplateModule::set_mint_permission(
1639 origin1.clone(),
1640 collection_id,
1641 false
1642 ));
13851643
1386 assert_ok!(TemplateModule::create_item(1644 assert_ok!(TemplateModule::add_collection_admin(
1645 origin1,
1646 collection_id,
1647 account(2)
1648 ));
1649
1650 assert_ok!(TemplateModule::create_item(
1387 origin2.clone(),1651 origin2,
1388 collection_id,1652 collection_id,
1389 2,1653 account(2),
1390 default_nft_data().into()1654 default_nft_data().into()
1391 ));1655 ));
1392 });1656 });
1393}1657}
13941658
1395// If Public Access mode is set to WhiteList, and Mint Permission is set to false, tokens cannot be created by non-privileged and white listed address.1659// If Public Access mode is set to WhiteList, and Mint Permission is set to false, tokens cannot be created by non-privileged and white listed address.
1396#[test]1660#[test]
1397fn white_list_test_11() {1661fn white_list_test_11() {
1398 new_test_ext().execute_with(|| {1662 new_test_ext().execute_with(|| {
1399 default_limits();1663 default_limits();
1400
1401 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
14021664
1403 let origin1 = Origin::signed(1);1665 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
1404 let origin2 = Origin::signed(2);
14051666
1406 assert_ok!(TemplateModule::set_public_access_mode(1667 let origin1 = Origin::signed(1);
1407 origin1.clone(),
1408 collection_id,
1409 AccessMode::WhiteList
1410 ));
1411 assert_ok!(TemplateModule::set_mint_permission(
1412 origin1.clone(),
1413 collection_id,
1414 false
1415 ));
1416 assert_ok!(TemplateModule::add_to_white_list(origin1.clone(), collection_id, 2));1668 let origin2 = Origin::signed(2);
14171669
1418 assert_noop!(1670 assert_ok!(TemplateModule::set_public_access_mode(
1671 origin1.clone(),
1672 collection_id,
1673 AccessMode::WhiteList
1674 ));
1419 TemplateModule::create_item(origin2.clone(), 1, 2, default_nft_data().into()),1675 assert_ok!(TemplateModule::set_mint_permission(
1676 origin1.clone(),
1677 collection_id,
1678 false
1679 ));
1680 assert_ok!(TemplateModule::add_to_white_list(
1681 origin1,
1682 collection_id,
1683 account(2)
1684 ));
1685
1686 assert_noop!(
1687 TemplateModule::create_item(origin2, 1, account(2), default_nft_data().into()),
1420 Error::<Test>::PublicMintingNotAllowed1688 Error::<Test>::PublicMintingNotAllowed
1421 );1689 );
1422 });1690 });
1423}1691}
14241692
1425// If Public Access mode is set to WhiteList, and Mint Permission is set to false, tokens cannot be created by non-privileged and non-white listed address.1693// If Public Access mode is set to WhiteList, and Mint Permission is set to false, tokens cannot be created by non-privileged and non-white listed address.
1426#[test]1694#[test]
1427fn white_list_test_12() {1695fn white_list_test_12() {
1428 new_test_ext().execute_with(|| {1696 new_test_ext().execute_with(|| {
1429 default_limits();1697 default_limits();
1430
1431 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
14321698
1433 let origin1 = Origin::signed(1);1699 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
1434 let origin2 = Origin::signed(2);
14351700
1436 assert_ok!(TemplateModule::set_public_access_mode(1701 let origin1 = Origin::signed(1);
1437 origin1.clone(),
1438 collection_id,
1439 AccessMode::WhiteList
1440 ));
1441 assert_ok!(TemplateModule::set_mint_permission(1702 let origin2 = Origin::signed(2);
1442 origin1.clone(),
1443 collection_id,
1444 false
1445 ));
14461703
1447 assert_noop!(1704 assert_ok!(TemplateModule::set_public_access_mode(
1448 TemplateModule::create_item(origin2.clone(), 1, 2, default_nft_data().into()),1705 origin1.clone(),
1706 collection_id,
1707 AccessMode::WhiteList
1708 ));
1709 assert_ok!(TemplateModule::set_mint_permission(
1710 origin1,
1711 collection_id,
1712 false
1713 ));
1714
1715 assert_noop!(
1716 TemplateModule::create_item(origin2, 1, account(2), default_nft_data().into()),
1449 Error::<Test>::PublicMintingNotAllowed1717 Error::<Test>::PublicMintingNotAllowed
1450 );1718 );
1451 });1719 });
1452}1720}
14531721
1454// If Public Access mode is set to WhiteList, and Mint Permission is set to true, tokens can be created by owner.1722// If Public Access mode is set to WhiteList, and Mint Permission is set to true, tokens can be created by owner.
1455#[test]1723#[test]
1456fn white_list_test_13() {1724fn white_list_test_13() {
1457 new_test_ext().execute_with(|| {1725 new_test_ext().execute_with(|| {
1458 default_limits();1726 default_limits();
1459
1460 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
14611727
1462 let origin1 = Origin::signed(1);1728 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
14631729
1464 assert_ok!(TemplateModule::set_public_access_mode(1730 let origin1 = Origin::signed(1);
1465 origin1.clone(),
1466 collection_id,
1467 AccessMode::WhiteList
1468 ));
1469 assert_ok!(TemplateModule::set_mint_permission(
1470 origin1.clone(),
1471 collection_id,
1472 true
1473 ));
14741731
1732 assert_ok!(TemplateModule::set_public_access_mode(
1733 origin1.clone(),
1734 collection_id,
1735 AccessMode::WhiteList
1736 ));
1737 assert_ok!(TemplateModule::set_mint_permission(
1738 origin1,
1739 collection_id,
1740 true
1741 ));
1742
1475 let data = default_nft_data();1743 let data = default_nft_data();
1476 create_test_item(collection_id, &data.into());1744 create_test_item(collection_id, &data.into());
1477 });1745 });
1478}1746}
14791747
1480// If Public Access mode is set to WhiteList, and Mint Permission is set to true, tokens can be created by admin.1748// If Public Access mode is set to WhiteList, and Mint Permission is set to true, tokens can be created by admin.
1481#[test]1749#[test]
1482fn white_list_test_14() {1750fn white_list_test_14() {
1483 new_test_ext().execute_with(|| {1751 new_test_ext().execute_with(|| {
1484 default_limits();1752 default_limits();
1485
1486 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
14871753
1488 let origin1 = Origin::signed(1);1754 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
1489 let origin2 = Origin::signed(2);
14901755
1491 assert_ok!(TemplateModule::set_public_access_mode(1756 let origin1 = Origin::signed(1);
1492 origin1.clone(),
1493 collection_id,
1494 AccessMode::WhiteList
1495 ));
1496 assert_ok!(TemplateModule::set_mint_permission(1757 let origin2 = Origin::signed(2);
1497 origin1.clone(),
1498 collection_id,
1499 true
1500 ));
15011758
1502 assert_ok!(TemplateModule::add_collection_admin(origin1.clone(), collection_id, 2));1759 assert_ok!(TemplateModule::set_public_access_mode(
1760 origin1.clone(),
1761 collection_id,
1762 AccessMode::WhiteList
1763 ));
1764 assert_ok!(TemplateModule::set_mint_permission(
1765 origin1.clone(),
1766 collection_id,
1767 true
1768 ));
15031769
1504 assert_ok!(TemplateModule::create_item(1770 assert_ok!(TemplateModule::add_collection_admin(
1771 origin1,
1772 collection_id,
1773 account(2)
1774 ));
1775
1776 assert_ok!(TemplateModule::create_item(
1505 origin2.clone(),1777 origin2,
1506 1,1778 1,
1507 2,1779 account(2),
1508 default_nft_data().into()1780 default_nft_data().into()
1509 ));1781 ));
1510 });1782 });
1511}1783}
15121784
1513// If Public Access mode is set to WhiteList, and Mint Permission is set to true, tokens cannot be created by non-privileged and non-white listed address.1785// If Public Access mode is set to WhiteList, and Mint Permission is set to true, tokens cannot be created by non-privileged and non-white listed address.
1514#[test]1786#[test]
1515fn white_list_test_15() {1787fn white_list_test_15() {
1516 new_test_ext().execute_with(|| {1788 new_test_ext().execute_with(|| {
1517 default_limits();1789 default_limits();
1518
1519 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
15201790
1521 let origin1 = Origin::signed(1);1791 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
1522 let origin2 = Origin::signed(2);
15231792
1524 assert_ok!(TemplateModule::set_public_access_mode(1793 let origin1 = Origin::signed(1);
1525 origin1.clone(),
1526 collection_id,
1527 AccessMode::WhiteList
1528 ));
1529 assert_ok!(TemplateModule::set_mint_permission(1794 let origin2 = Origin::signed(2);
1530 origin1.clone(),
1531 collection_id,
1532 true
1533 ));
15341795
1535 assert_noop!(1796 assert_ok!(TemplateModule::set_public_access_mode(
1536 TemplateModule::create_item(origin2.clone(), 1, 2, default_nft_data().into()),1797 origin1.clone(),
1798 collection_id,
1799 AccessMode::WhiteList
1800 ));
1801 assert_ok!(TemplateModule::set_mint_permission(
1802 origin1,
1803 collection_id,
1804 true
1805 ));
1806
1807 assert_noop!(
1808 TemplateModule::create_item(origin2, 1, account(2), default_nft_data().into()),
1537 Error::<Test>::AddresNotInWhiteList1809 Error::<Test>::AddresNotInWhiteList
1538 );1810 );
1539 });1811 });
1540}1812}
15411813
1542// If Public Access mode is set to WhiteList, and Mint Permission is set to true, tokens can be created by non-privileged and white listed address.1814// If Public Access mode is set to WhiteList, and Mint Permission is set to true, tokens can be created by non-privileged and white listed address.
1543#[test]1815#[test]
1544fn white_list_test_16() {1816fn white_list_test_16() {
1545 new_test_ext().execute_with(|| {1817 new_test_ext().execute_with(|| {
1546 default_limits();1818 default_limits();
1547
1548 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
15491819
1550 let origin1 = Origin::signed(1);1820 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
1551 let origin2 = Origin::signed(2);
15521821
1553 assert_ok!(TemplateModule::set_public_access_mode(1822 let origin1 = Origin::signed(1);
1554 origin1.clone(),
1555 collection_id,
1556 AccessMode::WhiteList
1557 ));
1558 assert_ok!(TemplateModule::set_mint_permission(
1559 origin1.clone(),
1560 collection_id,
1561 true
1562 ));
1563 assert_ok!(TemplateModule::add_to_white_list(origin1.clone(), collection_id, 2));1823 let origin2 = Origin::signed(2);
15641824
1565 assert_ok!(TemplateModule::create_item(1825 assert_ok!(TemplateModule::set_public_access_mode(
1566 origin2.clone(),1826 origin1.clone(),
1827 collection_id,
1828 AccessMode::WhiteList
1829 ));
1830 assert_ok!(TemplateModule::set_mint_permission(
1831 origin1.clone(),
1832 collection_id,
1833 true
1834 ));
1835 assert_ok!(TemplateModule::add_to_white_list(
1836 origin1,
1837 collection_id,
1838 account(2)
1839 ));
1840
1841 assert_ok!(TemplateModule::create_item(
1842 origin2,
1567 1,1843 1,
1568 2,1844 account(2),
1569 default_nft_data().into()1845 default_nft_data().into()
1570 ));1846 ));
1571 });1847 });
1572}1848}
15731849
1574// Total number of collections. Positive test1850// Total number of collections. Positive test
1575#[test]1851#[test]
1576fn total_number_collections_bound() {1852fn total_number_collections_bound() {
1577 new_test_ext().execute_with(|| {1853 new_test_ext().execute_with(|| {
1578 default_limits();1854 default_limits();
1579 1855
1580 create_test_collection(&CollectionMode::NFT, 1);1856 create_test_collection(&CollectionMode::NFT, 1);
1581 });1857 });
1582}1858}
15831859
1584// Total number of collections. Negotive test1860// Total number of collections. Negotive test
1585#[test]1861#[test]
1586fn total_number_collections_bound_neg() {1862fn total_number_collections_bound_neg() {
1587 new_test_ext().execute_with(|| {1863 new_test_ext().execute_with(|| {
1588 default_limits();1864 default_limits();
15891865
1590 let origin1 = Origin::signed(1);1866 let origin1 = Origin::signed(1);
15911867
1592 for i in 0..default_collection_numbers_limit() {1868 for i in 0..default_collection_numbers_limit() {
1593 create_test_collection(&CollectionMode::NFT, i + 1);1869 create_test_collection(&CollectionMode::NFT, i + 1);
1594 }1870 }
15951871
1596 let col_name1: Vec<u16> = "Test1\0".encode_utf16().collect::<Vec<u16>>();1872 let col_name1: Vec<u16> = "Test1\0".encode_utf16().collect::<Vec<u16>>();
1597 let col_desc1: Vec<u16> = "TestDescription1\0".encode_utf16().collect::<Vec<u16>>();1873 let col_desc1: Vec<u16> = "TestDescription1\0".encode_utf16().collect::<Vec<u16>>();
1598 let token_prefix1: Vec<u8> = b"token_prefix1\0".to_vec();1874 let token_prefix1: Vec<u8> = b"token_prefix1\0".to_vec();
15991875
1600 // 11-th collection in chain. Expects error1876 // 11-th collection in chain. Expects error
1601 assert_noop!(TemplateModule::create_collection(1877 assert_noop!(
1878 TemplateModule::create_collection(
1602 origin1.clone(),1879 origin1,
1603 col_name1.clone(),1880 col_name1,
1604 col_desc1.clone(),1881 col_desc1,
1605 token_prefix1.clone(),1882 token_prefix1,
1606 CollectionMode::NFT1883 CollectionMode::NFT
1607 ), Error::<Test>::TotalCollectionsLimitExceeded);1884 ),
1885 Error::<Test>::TotalCollectionsLimitExceeded
1886 );
1608 });1887 });
1609}1888}
16101889
1611// Owned tokens by a single address. Positive test1890// Owned tokens by a single address. Positive test
1612#[test]1891#[test]
1613fn owned_tokens_bound() {1892fn owned_tokens_bound() {
1614 new_test_ext().execute_with(|| {1893 new_test_ext().execute_with(|| {
1615 default_limits();1894 default_limits();
1616
1617 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
16181895
1619 let data = default_nft_data();1896 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
1897
1898 let data = default_nft_data();
1620 create_test_item(collection_id, &data.clone().into());1899 create_test_item(collection_id, &data.clone().into());
1621 create_test_item(collection_id, &data.into());1900 create_test_item(collection_id, &data.into());
1622 });1901 });
1623}1902}
16241903
1625// Owned tokens by a single address. Negotive test1904// Owned tokens by a single address. Negotive test
1626#[test]1905#[test]
1627fn owned_tokens_bound_neg() {1906fn owned_tokens_bound_neg() {
1628 new_test_ext().execute_with(|| {1907 new_test_ext().execute_with(|| {
1629 assert_ok!(TemplateModule::set_chain_limits(RawOrigin::Root.into(), ChainLimits { 1908 assert_ok!(TemplateModule::set_chain_limits(
1909 RawOrigin::Root.into(),
1910 ChainLimits {
1630 collection_numbers_limit: 10,1911 collection_numbers_limit: 10,
1631 account_token_ownership_limit: 1,1912 account_token_ownership_limit: 1,
1632 collections_admins_limit: 5,1913 collections_admins_limit: 5,
1633 custom_data_limit: 2048,1914 custom_data_limit: 2048,
1634 nft_sponsor_transfer_timeout: 15,1915 nft_sponsor_transfer_timeout: 15,
1635 fungible_sponsor_transfer_timeout: 15,1916 fungible_sponsor_transfer_timeout: 15,
1636 refungible_sponsor_transfer_timeout: 15,1917 refungible_sponsor_transfer_timeout: 15,
1637 const_on_chain_schema_limit: 1024,1918 const_on_chain_schema_limit: 1024,
1638 offchain_schema_limit: 1024,1919 offchain_schema_limit: 1024,
1639 variable_on_chain_schema_limit: 1024,1920 variable_on_chain_schema_limit: 1024,
1640 }));1921 }
1641
1642 let collection_id = create_test_collection(&CollectionMode::NFT, 1);1922 ));
16431923
1644 let origin1 = Origin::signed(1);1924 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
1645 let data = default_nft_data();
1646 create_test_item(collection_id, &data.clone().into());
16471925
1648 assert_noop!(TemplateModule::create_item(1926 let origin1 = Origin::signed(1);
1927 let data = default_nft_data();
1928 create_test_item(collection_id, &data.clone().into());
1929
1930 assert_noop!(
1649 origin1.clone(),1931 TemplateModule::create_item(origin1, 1, account(1), data.into()),
1650 1,
1651 1,
1652 data.into()
1653 ), Error::<Test>::AddressOwnershipLimitExceeded);1932 Error::<Test>::AddressOwnershipLimitExceeded
1933 );
1654 });1934 });
1655}1935}
16561936
1657// Number of collection admins. Positive test1937// Number of collection admins. Positive test
1658#[test]1938#[test]
1659fn collection_admins_bound() {1939fn collection_admins_bound() {
1660 new_test_ext().execute_with(|| {1940 new_test_ext().execute_with(|| {
1661 assert_ok!(TemplateModule::set_chain_limits(RawOrigin::Root.into(), ChainLimits { 1941 assert_ok!(TemplateModule::set_chain_limits(
1942 RawOrigin::Root.into(),
1943 ChainLimits {
1662 collection_numbers_limit: 10,1944 collection_numbers_limit: 10,
1663 account_token_ownership_limit: 10,1945 account_token_ownership_limit: 10,
1664 collections_admins_limit: 2,1946 collections_admins_limit: 2,
1665 custom_data_limit: 2048,1947 custom_data_limit: 2048,
1666 nft_sponsor_transfer_timeout: 15,1948 nft_sponsor_transfer_timeout: 15,
1667 fungible_sponsor_transfer_timeout: 15,1949 fungible_sponsor_transfer_timeout: 15,
1668 refungible_sponsor_transfer_timeout: 15,1950 refungible_sponsor_transfer_timeout: 15,
1669 const_on_chain_schema_limit: 1024,1951 const_on_chain_schema_limit: 1024,
1670 offchain_schema_limit: 1024,1952 offchain_schema_limit: 1024,
1671 variable_on_chain_schema_limit: 1024,1953 variable_on_chain_schema_limit: 1024,
1672 }));1954 }
1673
1674 let collection_id = create_test_collection(&CollectionMode::NFT, 1);1955 ));
16751956
1676 let origin1 = Origin::signed(1);1957 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
1677 1958
1959 let origin1 = Origin::signed(1);
1960
1678 assert_ok!(TemplateModule::add_collection_admin(origin1.clone(), collection_id, 2));1961 assert_ok!(TemplateModule::add_collection_admin(
1962 origin1.clone(),
1963 collection_id,
1964 account(2)
1965 ));
1679 assert_ok!(TemplateModule::add_collection_admin(origin1.clone(), collection_id, 3));1966 assert_ok!(TemplateModule::add_collection_admin(
1967 origin1,
1968 collection_id,
1969 account(3)
1970 ));
1680 });1971 });
1681}1972}
16821973
1683// Number of collection admins. Negotive test1974// Number of collection admins. Negotive test
1684#[test]1975#[test]
1685fn collection_admins_bound_neg() {1976fn collection_admins_bound_neg() {
1686 new_test_ext().execute_with(|| {1977 new_test_ext().execute_with(|| {
1687 assert_ok!(TemplateModule::set_chain_limits(RawOrigin::Root.into(), ChainLimits { 1978 assert_ok!(TemplateModule::set_chain_limits(
1979 RawOrigin::Root.into(),
1980 ChainLimits {
1688 collection_numbers_limit: 10,1981 collection_numbers_limit: 10,
1689 account_token_ownership_limit: 1,1982 account_token_ownership_limit: 1,
1690 collections_admins_limit: 1,1983 collections_admins_limit: 1,
1691 custom_data_limit: 2048,1984 custom_data_limit: 2048,
1692 nft_sponsor_transfer_timeout: 15,1985 nft_sponsor_transfer_timeout: 15,
1693 fungible_sponsor_transfer_timeout: 15,1986 fungible_sponsor_transfer_timeout: 15,
1694 refungible_sponsor_transfer_timeout: 15,1987 refungible_sponsor_transfer_timeout: 15,
1695 const_on_chain_schema_limit: 1024,1988 const_on_chain_schema_limit: 1024,
1696 offchain_schema_limit: 1024,1989 offchain_schema_limit: 1024,
1697 variable_on_chain_schema_limit: 1024,1990 variable_on_chain_schema_limit: 1024,
1698 }));1991 }
1699
1700 let collection_id = create_test_collection(&CollectionMode::NFT, 1);1992 ));
17011993
1702 let origin1 = Origin::signed(1);1994 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
17031995
1704 assert_ok!(TemplateModule::add_collection_admin(origin1.clone(), collection_id, 2));1996 let origin1 = Origin::signed(1);
1997
1998 assert_ok!(TemplateModule::add_collection_admin(
1999 origin1.clone(),
2000 collection_id,
2001 account(2)
2002 ));
1705 assert_noop!(TemplateModule::add_collection_admin(origin1.clone(), collection_id, 3), Error::<Test>::CollectionAdminsLimitExceeded);2003 assert_noop!(
2004 TemplateModule::add_collection_admin(origin1, collection_id, account(3)),
2005 Error::<Test>::CollectionAdminsLimitExceeded
2006 );
1706 });2007 });
1707}2008}
17082009
1709// NFT custom data size. Negative test const_data.2010// NFT custom data size. Negative test const_data.
1710#[test]2011#[test]
1711fn custom_data_size_nft_const_data_bound_neg() {2012fn custom_data_size_nft_const_data_bound_neg() {
1712 new_test_ext().execute_with(|| {2013 new_test_ext().execute_with(|| {
1713 assert_ok!(TemplateModule::set_chain_limits(RawOrigin::Root.into(), ChainLimits { 2014 assert_ok!(TemplateModule::set_chain_limits(
2015 RawOrigin::Root.into(),
2016 ChainLimits {
1714 collection_numbers_limit: 10,2017 collection_numbers_limit: 10,
1715 account_token_ownership_limit: 10,2018 account_token_ownership_limit: 10,
1716 collections_admins_limit: 5,2019 collections_admins_limit: 5,
1717 custom_data_limit: 2,2020 custom_data_limit: 2,
1718 nft_sponsor_transfer_timeout: 15,2021 nft_sponsor_transfer_timeout: 15,
1719 fungible_sponsor_transfer_timeout: 15,2022 fungible_sponsor_transfer_timeout: 15,
1720 refungible_sponsor_transfer_timeout: 15,2023 refungible_sponsor_transfer_timeout: 15,
1721 const_on_chain_schema_limit: 1024,2024 const_on_chain_schema_limit: 1024,
1722 offchain_schema_limit: 1024,2025 offchain_schema_limit: 1024,
1723 variable_on_chain_schema_limit: 1024,2026 variable_on_chain_schema_limit: 1024,
1724 }));2027 }
1725
1726 let collection_id = create_test_collection(&CollectionMode::NFT, 1);2028 ));
17272029
1728 let origin1 = Origin::signed(1);2030 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
1729 let too_big_const_data = CreateItemData::NFT(CreateNftData{
1730 const_data: vec![1, 2, 3, 4],
1731 variable_data: vec![]
1732 });
17332031
1734 assert_noop!(TemplateModule::create_item(2032 let origin1 = Origin::signed(1);
1735 origin1.clone(),2033 let too_big_const_data = CreateItemData::NFT(CreateNftData {
2034 const_data: vec![1, 2, 3, 4],
2035 variable_data: vec![],
2036 });
2037
2038 assert_noop!(
1736 collection_id,2039 TemplateModule::create_item(origin1, collection_id, account(1), too_big_const_data),
1737 1,
1738 too_big_const_data
1739 ), Error::<Test>::TokenConstDataLimitExceeded);2040 Error::<Test>::TokenConstDataLimitExceeded
2041 );
1740 });2042 });
1741}2043}
17422044
1743// NFT custom data size. Negative test variable_data.2045// NFT custom data size. Negative test variable_data.
1744#[test]2046#[test]
1745fn custom_data_size_nft_variable_data_bound_neg() {2047fn custom_data_size_nft_variable_data_bound_neg() {
1746 new_test_ext().execute_with(|| {2048 new_test_ext().execute_with(|| {
1747 assert_ok!(TemplateModule::set_chain_limits(RawOrigin::Root.into(), ChainLimits { 2049 assert_ok!(TemplateModule::set_chain_limits(
2050 RawOrigin::Root.into(),
2051 ChainLimits {
1748 collection_numbers_limit: 10,2052 collection_numbers_limit: 10,
1749 account_token_ownership_limit: 10,2053 account_token_ownership_limit: 10,
1750 collections_admins_limit: 5,2054 collections_admins_limit: 5,
1751 custom_data_limit: 2,2055 custom_data_limit: 2,
1752 nft_sponsor_transfer_timeout: 15,2056 nft_sponsor_transfer_timeout: 15,
1753 fungible_sponsor_transfer_timeout: 15,2057 fungible_sponsor_transfer_timeout: 15,
1754 refungible_sponsor_transfer_timeout: 15,2058 refungible_sponsor_transfer_timeout: 15,
1755 const_on_chain_schema_limit: 1024,2059 const_on_chain_schema_limit: 1024,
1756 offchain_schema_limit: 1024,2060 offchain_schema_limit: 1024,
1757 variable_on_chain_schema_limit: 1024,2061 variable_on_chain_schema_limit: 1024,
1758 }));2062 }
2063 ));
17592064
1760 let collection_id = create_test_collection(&CollectionMode::NFT, 1);2065 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
17612066
1762 let origin1 = Origin::signed(1);2067 let origin1 = Origin::signed(1);
1763 let too_big_const_data = CreateItemData::NFT(CreateNftData{2068 let too_big_const_data = CreateItemData::NFT(CreateNftData {
1764 const_data: vec![],2069 const_data: vec![],
1765 variable_data: vec![1, 2, 3, 4]2070 variable_data: vec![1, 2, 3, 4],
1766 });2071 });
17672072
1768 assert_noop!(TemplateModule::create_item(2073 assert_noop!(
1769 origin1.clone(),2074 TemplateModule::create_item(origin1, collection_id, account(1), too_big_const_data),
1770 collection_id,
1771 1,
1772 too_big_const_data
1773 ), Error::<Test>::TokenVariableDataLimitExceeded);2075 Error::<Test>::TokenVariableDataLimitExceeded
2076 );
1774 });2077 });
1775}2078}
17762079
1777// Re fungible custom data size. Negative test const_data.2080// Re fungible custom data size. Negative test const_data.
1778#[test]2081#[test]
1779fn custom_data_size_re_fungible_const_data_bound_neg() {2082fn custom_data_size_re_fungible_const_data_bound_neg() {
1780 new_test_ext().execute_with(|| {2083 new_test_ext().execute_with(|| {
1781 assert_ok!(TemplateModule::set_chain_limits(RawOrigin::Root.into(), ChainLimits { 2084 assert_ok!(TemplateModule::set_chain_limits(
2085 RawOrigin::Root.into(),
2086 ChainLimits {
1782 collection_numbers_limit: 10,2087 collection_numbers_limit: 10,
1783 account_token_ownership_limit: 10,2088 account_token_ownership_limit: 10,
1784 collections_admins_limit: 5,2089 collections_admins_limit: 5,
1785 custom_data_limit: 2,2090 custom_data_limit: 2,
1786 nft_sponsor_transfer_timeout: 15,2091 nft_sponsor_transfer_timeout: 15,
1787 fungible_sponsor_transfer_timeout: 15,2092 fungible_sponsor_transfer_timeout: 15,
1788 refungible_sponsor_transfer_timeout: 15,2093 refungible_sponsor_transfer_timeout: 15,
1789 const_on_chain_schema_limit: 1024,2094 const_on_chain_schema_limit: 1024,
1790 offchain_schema_limit: 1024,2095 offchain_schema_limit: 1024,
1791 variable_on_chain_schema_limit: 1024,2096 variable_on_chain_schema_limit: 1024,
1792 }));2097 }
2098 ));
17932099
1794 let collection_id = create_test_collection(&CollectionMode::NFT, 1);2100 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
17952101
1796 let origin1 = Origin::signed(1);2102 let origin1 = Origin::signed(1);
1797 let too_big_const_data = CreateItemData::NFT(CreateNftData{2103 let too_big_const_data = CreateItemData::NFT(CreateNftData {
1798 const_data: vec![1, 2, 3, 4],2104 const_data: vec![1, 2, 3, 4],
1799 variable_data: vec![]2105 variable_data: vec![],
1800 });2106 });
18012107
1802 assert_noop!(TemplateModule::create_item(2108 assert_noop!(
1803 origin1.clone(),2109 TemplateModule::create_item(origin1, collection_id, account(1), too_big_const_data),
1804 collection_id,
1805 1,
1806 too_big_const_data
1807 ), Error::<Test>::TokenConstDataLimitExceeded);2110 Error::<Test>::TokenConstDataLimitExceeded
2111 );
1808 });2112 });
1809}2113}
18102114
1811// Re fungible custom data size. Negative test variable_data.2115// Re fungible custom data size. Negative test variable_data.
1812#[test]2116#[test]
1813fn custom_data_size_re_fungible_variable_data_bound_neg() {2117fn custom_data_size_re_fungible_variable_data_bound_neg() {
1814 new_test_ext().execute_with(|| {2118 new_test_ext().execute_with(|| {
1815 assert_ok!(TemplateModule::set_chain_limits(RawOrigin::Root.into(), ChainLimits { 2119 assert_ok!(TemplateModule::set_chain_limits(
2120 RawOrigin::Root.into(),
2121 ChainLimits {
1816 collection_numbers_limit: 10,2122 collection_numbers_limit: 10,
1817 account_token_ownership_limit: 10,2123 account_token_ownership_limit: 10,
1818 collections_admins_limit: 5,2124 collections_admins_limit: 5,
1819 custom_data_limit: 2,2125 custom_data_limit: 2,
1820 nft_sponsor_transfer_timeout: 15,2126 nft_sponsor_transfer_timeout: 15,
1821 fungible_sponsor_transfer_timeout: 15,2127 fungible_sponsor_transfer_timeout: 15,
1822 refungible_sponsor_transfer_timeout: 15,2128 refungible_sponsor_transfer_timeout: 15,
1823 const_on_chain_schema_limit: 1024,2129 const_on_chain_schema_limit: 1024,
1824 offchain_schema_limit: 1024,2130 offchain_schema_limit: 1024,
1825 variable_on_chain_schema_limit: 1024,2131 variable_on_chain_schema_limit: 1024,
1826 }));2132 }
2133 ));
18272134
1828 let collection_id = create_test_collection(&CollectionMode::NFT, 1);2135 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
18292136
1830 let origin1 = Origin::signed(1);2137 let origin1 = Origin::signed(1);
1831 let too_big_const_data = CreateItemData::NFT(CreateNftData{2138 let too_big_const_data = CreateItemData::NFT(CreateNftData {
1832 const_data: vec![],2139 const_data: vec![],
1833 variable_data: vec![1, 2, 3, 4]2140 variable_data: vec![1, 2, 3, 4],
1834 });2141 });
18352142
1836 assert_noop!(TemplateModule::create_item(2143 assert_noop!(
1837 origin1.clone(),2144 TemplateModule::create_item(origin1, collection_id, account(1), too_big_const_data),
1838 collection_id,
1839 1,
1840 too_big_const_data
1841 ), Error::<Test>::TokenVariableDataLimitExceeded);2145 Error::<Test>::TokenVariableDataLimitExceeded
2146 );
1842 });2147 });
1843}2148}
1844// #endregion2149// #endregion
18452150
1846#[test]2151#[test]
1847fn set_const_on_chain_schema() {2152fn set_const_on_chain_schema() {
1848 new_test_ext().execute_with(|| {2153 new_test_ext().execute_with(|| {
1849 default_limits();2154 default_limits();
18502155
1851 let collection_id = create_test_collection(&CollectionMode::NFT, 1);2156 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
18522157
1853 let origin1 = Origin::signed(1);2158 let origin1 = Origin::signed(1);
1854 assert_ok!(TemplateModule::set_const_on_chain_schema(origin1, collection_id, b"test const on chain schema".to_vec()));2159 assert_ok!(TemplateModule::set_const_on_chain_schema(
2160 origin1,
2161 collection_id,
2162 b"test const on chain schema".to_vec()
2163 ));
18552164
1856 assert_eq!(TemplateModule::collection_id(collection_id).unwrap().const_on_chain_schema, b"test const on chain schema".to_vec());2165 assert_eq!(
2166 TemplateModule::collection_id(collection_id)
2167 .unwrap()
2168 .const_on_chain_schema,
2169 b"test const on chain schema".to_vec()
2170 );
1857 assert_eq!(TemplateModule::collection_id(collection_id).unwrap().variable_on_chain_schema, b"".to_vec());2171 assert_eq!(
2172 TemplateModule::collection_id(collection_id)
2173 .unwrap()
2174 .variable_on_chain_schema,
2175 b"".to_vec()
2176 );
1858 });2177 });
1859}2178}
18602179
1861#[test]2180#[test]
1862fn set_variable_on_chain_schema() {2181fn set_variable_on_chain_schema() {
1863 new_test_ext().execute_with(|| {2182 new_test_ext().execute_with(|| {
1864 default_limits();2183 default_limits();
1865
1866 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
18672184
1868 let origin1 = Origin::signed(1);2185 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
1869 assert_ok!(TemplateModule::set_variable_on_chain_schema(origin1, collection_id, b"test variable on chain schema".to_vec()));
18702186
1871 assert_eq!(TemplateModule::collection_id(collection_id).unwrap().const_on_chain_schema, b"".to_vec());2187 let origin1 = Origin::signed(1);
2188 assert_ok!(TemplateModule::set_variable_on_chain_schema(
2189 origin1,
2190 collection_id,
2191 b"test variable on chain schema".to_vec()
2192 ));
2193
2194 assert_eq!(
2195 TemplateModule::collection_id(collection_id)
2196 .unwrap()
2197 .const_on_chain_schema,
2198 b"".to_vec()
2199 );
1872 assert_eq!(TemplateModule::collection_id(collection_id).unwrap().variable_on_chain_schema, b"test variable on chain schema".to_vec());2200 assert_eq!(
2201 TemplateModule::collection_id(collection_id)
2202 .unwrap()
2203 .variable_on_chain_schema,
2204 b"test variable on chain schema".to_vec()
2205 );
1873 });2206 });
1874}2207}
18752208
1876#[test]2209#[test]
1877fn set_variable_meta_data_on_nft_token_stores_variable_meta_data() {2210fn set_variable_meta_data_on_nft_token_stores_variable_meta_data() {
1878 new_test_ext().execute_with(|| {2211 new_test_ext().execute_with(|| {
1879 default_limits();2212 default_limits();
18802213
1881 let collection_id = create_test_collection(&CollectionMode::NFT, 1);2214 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
18822215
1883 let origin1 = Origin::signed(1);2216 let origin1 = Origin::signed(1);
1884
1885 let data = default_nft_data();
1886 create_test_item(1, &data.into());
1887
1888 let variable_data = b"test set_variable_meta_data method.".to_vec();
1889 assert_ok!(TemplateModule::set_variable_meta_data(origin1, collection_id, 1, variable_data.clone()));
18902217
1891 assert_eq!(TemplateModule::nft_item_id(collection_id, 1).unwrap().variable_data, variable_data);2218 let data = default_nft_data();
2219 create_test_item(1, &data.into());
2220
2221 let variable_data = b"test set_variable_meta_data method.".to_vec();
2222 assert_ok!(TemplateModule::set_variable_meta_data(
2223 origin1,
2224 collection_id,
2225 1,
2226 variable_data.clone()
2227 ));
2228
2229 assert_eq!(
2230 TemplateModule::nft_item_id(collection_id, 1)
2231 .unwrap()
2232 .variable_data,
2233 variable_data
2234 );
1892 });2235 });
1893}2236}
18942237
1895#[test]2238#[test]
1896fn set_variable_meta_data_on_re_fungible_token_stores_variable_meta_data() {2239fn set_variable_meta_data_on_re_fungible_token_stores_variable_meta_data() {
1897 new_test_ext().execute_with(|| {2240 new_test_ext().execute_with(|| {
1898 default_limits();2241 default_limits();
18992242
1900 let collection_id = create_test_collection(&CollectionMode::ReFungible, 1);2243 let collection_id = create_test_collection(&CollectionMode::ReFungible, 1);
19012244
1902 let origin1 = Origin::signed(1);2245 let origin1 = Origin::signed(1);
19032246
1904 let data = default_re_fungible_data();2247 let data = default_re_fungible_data();
1905 create_test_item(1, &data.into());2248 create_test_item(1, &data.into());
19062249
1907 let variable_data = b"test set_variable_meta_data method.".to_vec();2250 let variable_data = b"test set_variable_meta_data method.".to_vec();
1908 assert_ok!(TemplateModule::set_variable_meta_data(origin1, collection_id, 1, variable_data.clone()));2251 assert_ok!(TemplateModule::set_variable_meta_data(
2252 origin1,
2253 collection_id,
2254 1,
2255 variable_data.clone()
2256 ));
19092257
1910 assert_eq!(TemplateModule::refungible_item_id(collection_id, 1).unwrap().variable_data, variable_data);2258 assert_eq!(
2259 TemplateModule::refungible_item_id(collection_id, 1)
2260 .unwrap()
2261 .variable_data,
2262 variable_data
2263 );
1911 });2264 });
1912}2265}
19132266
1914
1915#[test]2267#[test]
1916fn set_variable_meta_data_on_fungible_token_fails() {2268fn set_variable_meta_data_on_fungible_token_fails() {
1917 new_test_ext().execute_with(|| {2269 new_test_ext().execute_with(|| {
1918 default_limits();2270 default_limits();
19192271
1920 let collection_id = create_test_collection(&CollectionMode::Fungible(3), 1);2272 let collection_id = create_test_collection(&CollectionMode::Fungible(3), 1);
19212273
1922 let origin1 = Origin::signed(1);2274 let origin1 = Origin::signed(1);
19232275
1924 let data = default_fungible_data();2276 let data = default_fungible_data();
1925 create_test_item(1, &data.into());2277 create_test_item(1, &data.into());
19262278
1927 let variable_data = b"test set_variable_meta_data method.".to_vec();2279 let variable_data = b"test set_variable_meta_data method.".to_vec();
1928 assert_noop!(TemplateModule::set_variable_meta_data(origin1, collection_id, 1, variable_data.clone()), Error::<Test>::CantStoreMetadataInFungibleTokens);2280 assert_noop!(
2281 TemplateModule::set_variable_meta_data(origin1, collection_id, 1, variable_data),
2282 Error::<Test>::CantStoreMetadataInFungibleTokens
2283 );
1929 });2284 });
1930}2285}
19312286
1932#[test]2287#[test]
1933fn set_variable_meta_data_on_nft_token_fails_for_big_data() {2288fn set_variable_meta_data_on_nft_token_fails_for_big_data() {
1934 new_test_ext().execute_with(|| {2289 new_test_ext().execute_with(|| {
1935 assert_ok!(TemplateModule::set_chain_limits(RawOrigin::Root.into(), ChainLimits { 2290 assert_ok!(TemplateModule::set_chain_limits(
2291 RawOrigin::Root.into(),
2292 ChainLimits {
1936 collection_numbers_limit: default_collection_numbers_limit(),2293 collection_numbers_limit: default_collection_numbers_limit(),
1937 account_token_ownership_limit: 10,2294 account_token_ownership_limit: 10,
1938 collections_admins_limit: 5,2295 collections_admins_limit: 5,
1939 custom_data_limit: 10,2296 custom_data_limit: 10,
1940 nft_sponsor_transfer_timeout: 15,2297 nft_sponsor_transfer_timeout: 15,
1941 fungible_sponsor_transfer_timeout: 15,2298 fungible_sponsor_transfer_timeout: 15,
1942 refungible_sponsor_transfer_timeout: 15,2299 refungible_sponsor_transfer_timeout: 15,
1943 const_on_chain_schema_limit: 1024,2300 const_on_chain_schema_limit: 1024,
1944 offchain_schema_limit: 1024,2301 offchain_schema_limit: 1024,
1945 variable_on_chain_schema_limit: 1024,2302 variable_on_chain_schema_limit: 1024,
1946 }));2303 }
2304 ));
19472305
1948 let collection_id = create_test_collection(&CollectionMode::NFT, 1);2306 let collection_id = create_test_collection(&CollectionMode::NFT, 1);
19492307
1950 let origin1 = Origin::signed(1);2308 let origin1 = Origin::signed(1);
19512309
1952 let data = default_nft_data();2310 let data = default_nft_data();
1953 create_test_item(1, &data.into());2311 create_test_item(1, &data.into());
19542312
1955 let variable_data = b"test set_variable_meta_data method, bigger than limits.".to_vec();2313 let variable_data = b"test set_variable_meta_data method, bigger than limits.".to_vec();
1956 assert_noop!(TemplateModule::set_variable_meta_data(origin1, collection_id, 1, variable_data), Error::<Test>::TokenVariableDataLimitExceeded);2314 assert_noop!(
2315 TemplateModule::set_variable_meta_data(origin1, collection_id, 1, variable_data),
2316 Error::<Test>::TokenVariableDataLimitExceeded
2317 );
1957 });2318 });
1958}2319}
19592320
1960#[test]2321#[test]
1961fn set_variable_meta_data_on_re_fungible_token_fails_for_big_data() {2322fn set_variable_meta_data_on_re_fungible_token_fails_for_big_data() {
1962 new_test_ext().execute_with(|| {2323 new_test_ext().execute_with(|| {
1963 assert_ok!(TemplateModule::set_chain_limits(RawOrigin::Root.into(), ChainLimits { 2324 assert_ok!(TemplateModule::set_chain_limits(
2325 RawOrigin::Root.into(),
2326 ChainLimits {
1964 collection_numbers_limit: default_collection_numbers_limit(),2327 collection_numbers_limit: default_collection_numbers_limit(),
1965 account_token_ownership_limit: 10,2328 account_token_ownership_limit: 10,
1966 collections_admins_limit: 5,2329 collections_admins_limit: 5,
1967 custom_data_limit: 10,2330 custom_data_limit: 10,
1968 nft_sponsor_transfer_timeout: 15,2331 nft_sponsor_transfer_timeout: 15,
1969 fungible_sponsor_transfer_timeout: 15,2332 fungible_sponsor_transfer_timeout: 15,
1970 refungible_sponsor_transfer_timeout: 15,2333 refungible_sponsor_transfer_timeout: 15,
1971 const_on_chain_schema_limit: 1024,2334 const_on_chain_schema_limit: 1024,
1972 offchain_schema_limit: 1024,2335 offchain_schema_limit: 1024,
1973 variable_on_chain_schema_limit: 1024,2336 variable_on_chain_schema_limit: 1024,
1974 }));2337 }
19752338 ));
19762339
1977 let collection_id = create_test_collection(&CollectionMode::ReFungible, 1);2340 let collection_id = create_test_collection(&CollectionMode::ReFungible, 1);
19782341
1979 let origin1 = Origin::signed(1);2342 let origin1 = Origin::signed(1);
19802343
1981 let data = default_re_fungible_data();2344 let data = default_re_fungible_data();
1982 create_test_item(1, &data.into());2345 create_test_item(1, &data.into());
19832346
1984 let variable_data = b"test set_variable_meta_data method, bigger than limits.".to_vec();2347 let variable_data = b"test set_variable_meta_data method, bigger than limits.".to_vec();
1985 assert_noop!(TemplateModule::set_variable_meta_data(origin1, collection_id, 1, variable_data), Error::<Test>::TokenVariableDataLimitExceeded);2348 assert_noop!(
2349 TemplateModule::set_variable_meta_data(origin1, collection_id, 1, variable_data),
2350 Error::<Test>::TokenVariableDataLimitExceeded
2351 );
1986 });2352 });
1987}2353}
19882354
modifiedpallets/scheduler/Cargo.tomldiffbeforeafterboth
--- a/pallets/scheduler/Cargo.toml
+++ b/pallets/scheduler/Cargo.toml
@@ -12,19 +12,19 @@
 [dependencies]
 serde = { version = "1.0.119", default-features = false }
 codec = { package = "parity-scale-codec", version = "2.0.0", default-features = false }
-frame-support = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-frame-system = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sp-runtime = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sp-std = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sp-io = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-frame-benchmarking = { default-features = false, version = '3.0.0', optional = true, git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
+frame-support = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+frame-system = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sp-runtime = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sp-std = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sp-io = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+frame-benchmarking = { default-features = false, version = '3.0.0', optional = true, git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
 
 up-sponsorship = { default-features = false, path = "../../primitives/sponsorship", version = "0.1.0" }
 log = { version = "0.4.14", default-features = false }
 
 [dev-dependencies]
-sp-core = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-substrate-test-utils = { version = "3.0.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
+sp-core = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+substrate-test-utils = { version = "3.0.0", git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
 
 [features]
 default = ["std"]
modifiedpallets/scheduler/src/benchmarking.rsdiffbeforeafterboth
--- a/pallets/scheduler/src/benchmarking.rs
+++ b/pallets/scheduler/src/benchmarking.rs
@@ -31,7 +31,7 @@
 const BLOCK_NUMBER: u32 = 2;
 
 // Add `n` named items to the schedule
-fn fill_schedule<T: Config> (when: T::BlockNumber, n: u32) -> Result<(), &'static str> {
+fn fill_schedule<T: Config>(when: T::BlockNumber, n: u32) -> Result<(), &'static str> {
 	// Essentially a no-op call.
 	let call = frame_system::Call::set_storage(vec![]);
 	for i in 0..n {
@@ -47,7 +47,10 @@
 			call.clone().into(),
 		)?;
 	}
-	ensure!(Agenda::<T>::get(when).len() == n as usize, "didn't fill schedule");
+	ensure!(
+		Agenda::<T>::get(when).len() == n as usize,
+		"didn't fill schedule"
+	);
 	Ok(())
 }
 
@@ -141,8 +144,4 @@
 	}
 }
 
-impl_benchmark_test_suite!(
-	Scheduler,
-	crate::tests::new_test_ext(),
-	crate::tests::Test,
-);
+impl_benchmark_test_suite!(Scheduler, crate::tests::new_test_ext(), crate::tests::Test,);
modifiedpallets/scheduler/src/lib.rsdiffbeforeafterboth
--- a/pallets/scheduler/src/lib.rs
+++ b/pallets/scheduler/src/lib.rs
@@ -50,17 +50,25 @@
 
 // Ensure we're `no_std` when compiling for Wasm.
 #![cfg_attr(not(feature = "std"), no_std)]
+#![allow(clippy::type_complexity, clippy::boxed_local, clippy::unused_unit)]
 
 mod benchmarking;
 pub mod weights;
 
 use sp_std::{prelude::*, marker::PhantomData, borrow::Borrow};
 use codec::{Encode, Decode, Codec};
-use sp_runtime::{RuntimeDebug, traits::{Zero, One, BadOrigin, Saturating}};
+use sp_runtime::{
+	RuntimeDebug,
+	traits::{Zero, One, BadOrigin, Saturating},
+};
 use frame_support::{
 	decl_module, decl_storage, decl_event, decl_error, IterableStorageMap,
 	dispatch::{Dispatchable, DispatchError, DispatchResult, Parameter},
-	traits::{Get, schedule::{self, DispatchTime}, OriginTrait, EnsureOrigin, IsType},
+	traits::{
+		Get,
+		schedule::{self, DispatchTime},
+		OriginTrait, EnsureOrigin, IsType,
+	},
 	weights::{GetDispatchInfo, Weight},
 };
 use frame_system::{self as system, ensure_signed};
@@ -72,22 +80,24 @@
 /// should be added to our implied traits list.
 ///
 /// `system::Config` should always be included in our implied traits.
-/// // 
-pub trait Config: system::Config
-{ 
-
+/// //
+pub trait Config: system::Config {
 	/// The overarching event type.
 	type Event: From<Event<Self>> + Into<<Self as system::Config>::Event>;
 
 	/// The aggregated origin which the dispatch will take.
 	type Origin: OriginTrait<PalletsOrigin = Self::PalletsOrigin>
-		+ From<Self::PalletsOrigin> + IsType<<Self as system::Config>::Origin>;
+		+ From<Self::PalletsOrigin>
+		+ IsType<<Self as system::Config>::Origin>;
 
 	/// The caller origin, overarching type of all pallets origins.
 	type PalletsOrigin: From<system::RawOrigin<Self::AccountId>> + Codec + Clone + Eq;
 
 	/// The aggregated call type.
-	type Call: Parameter + Dispatchable<Origin=<Self as Config>::Origin> + GetDispatchInfo + From<system::Call<Self>>;
+	type Call: Parameter
+		+ Dispatchable<Origin = <Self as Config>::Origin>
+		+ GetDispatchInfo
+		+ From<system::Call<Self>>;
 
 	/// The maximum weight that may be scheduled per block for any dispatchables of less priority
 	/// than `schedule::HARD_DEADLINE`.
@@ -141,7 +151,8 @@
 }
 
 /// The current version of Scheduled struct.
-pub type Scheduled<Call, BlockNumber, PalletsOrigin, AccountId> = ScheduledV2<Call, BlockNumber, PalletsOrigin, AccountId>;
+pub type Scheduled<Call, BlockNumber, PalletsOrigin, AccountId> =
+	ScheduledV2<Call, BlockNumber, PalletsOrigin, AccountId>;
 
 // A value placed in storage that represents the current version of the Scheduler storage.
 // This value is used by the `on_runtime_upgrade` logic to determine whether we run
@@ -160,7 +171,6 @@
 
 #[derive(Encode, Decode, Clone, PartialEq, Eq, RuntimeDebug)]
 pub struct CallSpec {
-
 	module: u32,
 	method: u32,
 }
@@ -172,7 +182,7 @@
 			=> Vec<Option<Scheduled<<T as Config>::Call, T::BlockNumber, T::PalletsOrigin, T::AccountId>>>;
 
 		pub SpecAgenda: map hasher(twox_64_concat) T::BlockNumber
-			=> Vec<Option<CallSpec>>;			
+			=> Vec<Option<CallSpec>>;
 
 		/// Lookup from identity to the block number and index of the task.
 		Lookup: map hasher(twox_64_concat) Vec<u8> => Option<TaskAddress<T::BlockNumber>>;
@@ -210,8 +220,8 @@
 
 decl_module! {
 	/// Scheduler module declaration.
-	pub struct Module<T: Config> for enum Call 
-	where 
+	pub struct Module<T: Config> for enum Call
+	where
 		origin: <T as system::Config>::Origin
 	{
 		type Error = Error<T>;
@@ -234,7 +244,7 @@
 			maybe_periodic: Option<schedule::Period<T::BlockNumber>>,
 			priority: schedule::Priority,
 			call: Box<<T as Config>::Call>,
-		) 
+		)
 		{
 			let origin = <T as Config>::Origin::from(origin);
 			Self::do_schedule(DispatchTime::At(when), maybe_periodic, priority, origin.caller().clone(), *call)?;
@@ -402,12 +412,12 @@
 						let origin = <<T as Config>::Origin as From<T::PalletsOrigin>>::from(
 							s.origin.clone()
 						).into();
-						let sender = ensure_signed(origin).unwrap_or(T::AccountId::default());
+						let sender = ensure_signed(origin).unwrap_or_default();
 						let who_will_pay = T::SponsorshipHandler::get_sponsor(&sender, &s.call).unwrap_or(sender);
 						let sponsor = T::PalletsOrigin::from(system::RawOrigin::Signed(who_will_pay));
 						let r = s.call.clone().dispatch(sponsor.into());
 						let maybe_id = s.maybe_id.clone();
-						if let &Some((period, count)) = &s.maybe_periodic {
+						if let Some((period, count)) = s.maybe_periodic {
 							if count > 1 {
 								s.maybe_periodic = Some((period, count - 1));
 							} else {
@@ -420,11 +430,9 @@
 								Lookup::<T>::insert(id, (next, next_index as u32));
 							}
 							Agenda::<T>::append(next, Some(s));
-						} else {
-							if let Some(ref id) = s.maybe_id {
-								Lookup::<T>::remove(id);
-							}
-						}
+						} else if let Some(ref id) = s.maybe_id {
+									  Lookup::<T>::remove(id);
+								  }
 						Self::deposit_event(RawEvent::Dispatched(
 							(now, index),
 							maybe_id,
@@ -454,20 +462,25 @@
 			StorageVersion::put(Releases::V2);
 
 			Agenda::<T>::translate::<
-				Vec<Option<ScheduledV1<<T as Config>::Call, T::BlockNumber>>>, _
-			>(|_, agenda| Some(
-				agenda
-					.into_iter()
-					.map(|schedule| schedule.map(|schedule| ScheduledV2 {
-						maybe_id: schedule.maybe_id,
-						priority: schedule.priority,
-						call: schedule.call,
-						maybe_periodic: schedule.maybe_periodic,
-						origin: system::RawOrigin::Root.into(),
-						_phantom: Default::default(),
-					}))
-					.collect::<Vec<_>>()
-			));
+				Vec<Option<ScheduledV1<<T as Config>::Call, T::BlockNumber>>>,
+				_,
+			>(|_, agenda| {
+				Some(
+					agenda
+						.into_iter()
+						.map(|schedule| {
+							schedule.map(|schedule| ScheduledV2 {
+								maybe_id: schedule.maybe_id,
+								priority: schedule.priority,
+								call: schedule.call,
+								maybe_periodic: schedule.maybe_periodic,
+								origin: system::RawOrigin::Root.into(),
+								_phantom: Default::default(),
+							})
+						})
+						.collect::<Vec<_>>(),
+				)
+			});
 
 			true
 		} else {
@@ -478,20 +491,25 @@
 	/// Helper to migrate scheduler when the pallet origin type has changed.
 	pub fn migrate_origin<OldOrigin: Into<T::PalletsOrigin> + codec::Decode>() {
 		Agenda::<T>::translate::<
-			Vec<Option<Scheduled<<T as Config>::Call, T::BlockNumber, OldOrigin, T::AccountId>>>, _
-		>(|_, agenda| Some(
-			agenda
-				.into_iter()
-				.map(|schedule| schedule.map(|schedule| Scheduled {
-					maybe_id: schedule.maybe_id,
-					priority: schedule.priority,
-					call: schedule.call,
-					maybe_periodic: schedule.maybe_periodic,
-					origin: schedule.origin.into(),
-					_phantom: Default::default(),
-				}))
-				.collect::<Vec<_>>()
-		));
+			Vec<Option<Scheduled<<T as Config>::Call, T::BlockNumber, OldOrigin, T::AccountId>>>,
+			_,
+		>(|_, agenda| {
+			Some(
+				agenda
+					.into_iter()
+					.map(|schedule| {
+						schedule.map(|schedule| Scheduled {
+							maybe_id: schedule.maybe_id,
+							priority: schedule.priority,
+							call: schedule.call,
+							maybe_periodic: schedule.maybe_periodic,
+							origin: schedule.origin.into(),
+							_phantom: Default::default(),
+						})
+					})
+					.collect::<Vec<_>>(),
+			)
+		});
 	}
 
 	fn resolve_time(when: DispatchTime<T::BlockNumber>) -> Result<T::BlockNumber, DispatchError> {
@@ -501,11 +519,11 @@
 			DispatchTime::At(x) => x,
 			// The current block has already completed it's scheduled tasks, so
 			// Schedule the task at lest one block after this current block.
-			DispatchTime::After(x) => now.saturating_add(x).saturating_add(One::one())
+			DispatchTime::After(x) => now.saturating_add(x).saturating_add(One::one()),
 		};
 
 		if when <= now {
-			return Err(Error::<T>::TargetBlockNumberInPast.into())
+			return Err(Error::<T>::TargetBlockNumberInPast.into());
 		}
 
 		Ok(when)
@@ -516,7 +534,7 @@
 		maybe_periodic: Option<schedule::Period<T::BlockNumber>>,
 		priority: schedule::Priority,
 		origin: T::PalletsOrigin,
-		call: <T as Config>::Call
+		call: <T as Config>::Call,
 	) -> Result<TaskAddress<T::BlockNumber>, DispatchError> {
 		let when = Self::resolve_time(when)?;
 
@@ -526,7 +544,12 @@
 			// Remove one from the number of repetitions since we will schedule one now.
 			.map(|(p, c)| (p, c - 1));
 		let s = Some(Scheduled {
-			maybe_id: None, priority, call, maybe_periodic, origin, _phantom: PhantomData::<T::AccountId>::default(),
+			maybe_id: None,
+			priority,
+			call,
+			maybe_periodic,
+			origin,
+			_phantom: PhantomData::<T::AccountId>::default(),
 		});
 		Agenda::<T>::append(when, s);
 		let index = Agenda::<T>::decode_len(when).unwrap_or(1) as u32 - 1;
@@ -544,22 +567,21 @@
 
 	fn do_cancel(
 		origin: Option<T::PalletsOrigin>,
-		(when, index): TaskAddress<T::BlockNumber>
+		(when, index): TaskAddress<T::BlockNumber>,
 	) -> Result<(), DispatchError> {
-		let scheduled = Agenda::<T>::try_mutate(
-			when,
-			|agenda| {
-				agenda.get_mut(index as usize)
-					.map_or(Ok(None), |s| -> Result<Option<Scheduled<_, _, _, _>>, DispatchError> {
-						if let (Some(ref o), Some(ref s)) = (origin, s.borrow()) {
-							if *o != s.origin {
-								return Err(BadOrigin.into());
-							}
-						};
-						Ok(s.take())
-					})
-			},
-		)?;
+		let scheduled = Agenda::<T>::try_mutate(when, |agenda| {
+			agenda.get_mut(index as usize).map_or(
+				Ok(None),
+				|s| -> Result<Option<Scheduled<_, _, _, _>>, DispatchError> {
+					if let (Some(ref o), Some(ref s)) = (origin, s.borrow()) {
+						if *o != s.origin {
+							return Err(BadOrigin.into());
+						}
+					};
+					Ok(s.take())
+				},
+			)
+		})?;
 		if let Some(s) = scheduled {
 			if let Some(id) = s.maybe_id {
 				Lookup::<T>::remove(id);
@@ -567,7 +589,7 @@
 			Self::deposit_event(RawEvent::Canceled(when, index));
 			Ok(())
 		} else {
-			Err(Error::<T>::NotFound)?
+			Err(Error::<T>::NotFound.into())
 		}
 	}
 
@@ -605,7 +627,7 @@
 	) -> Result<TaskAddress<T::BlockNumber>, DispatchError> {
 		// ensure id it is unique
 		if Lookup::<T>::contains_key(&id) {
-			return Err(Error::<T>::FailedToSchedule)?
+			return Err(Error::<T>::FailedToSchedule.into());
 		}
 
 		let when = Self::resolve_time(when)?;
@@ -617,7 +639,12 @@
 			.map(|(p, c)| (p, c - 1));
 
 		let s = Scheduled {
-			maybe_id: Some(id.clone()), priority, call, maybe_periodic, origin, _phantom: Default::default()
+			maybe_id: Some(id.clone()),
+			priority,
+			call,
+			maybe_periodic,
+			origin,
+			_phantom: Default::default(),
 		};
 		Agenda::<T>::append(when, Some(s));
 		let index = Agenda::<T>::decode_len(when).unwrap_or(1) as u32 - 1;
@@ -653,7 +680,7 @@
 				Self::deposit_event(RawEvent::Canceled(when, index));
 				Ok(())
 			} else {
-				Err(Error::<T>::NotFound)?
+				Err(Error::<T>::NotFound.into())
 			}
 		})
 	}
@@ -664,33 +691,38 @@
 	) -> Result<TaskAddress<T::BlockNumber>, DispatchError> {
 		let new_time = Self::resolve_time(new_time)?;
 
-		Lookup::<T>::try_mutate_exists(id, |lookup| -> Result<TaskAddress<T::BlockNumber>, DispatchError> {
-			let (when, index) = lookup.ok_or(Error::<T>::NotFound)?;
+		Lookup::<T>::try_mutate_exists(
+			id,
+			|lookup| -> Result<TaskAddress<T::BlockNumber>, DispatchError> {
+				let (when, index) = lookup.ok_or(Error::<T>::NotFound)?;
 
-			if new_time == when {
-				return Err(Error::<T>::RescheduleNoChange.into());
-			}
+				if new_time == when {
+					return Err(Error::<T>::RescheduleNoChange.into());
+				}
 
-			Agenda::<T>::try_mutate(when, |agenda| -> DispatchResult {
-				let task = agenda.get_mut(index as usize).ok_or(Error::<T>::NotFound)?;
-				let task = task.take().ok_or(Error::<T>::NotFound)?;
-				Agenda::<T>::append(new_time, Some(task));
+				Agenda::<T>::try_mutate(when, |agenda| -> DispatchResult {
+					let task = agenda.get_mut(index as usize).ok_or(Error::<T>::NotFound)?;
+					let task = task.take().ok_or(Error::<T>::NotFound)?;
+					Agenda::<T>::append(new_time, Some(task));
 
-				Ok(())
-			})?;
+					Ok(())
+				})?;
 
-			let new_index = Agenda::<T>::decode_len(new_time).unwrap_or(1) as u32 - 1;
-			Self::deposit_event(RawEvent::Canceled(when, index));
-			Self::deposit_event(RawEvent::Scheduled(new_time, new_index));
+				let new_index = Agenda::<T>::decode_len(new_time).unwrap_or(1) as u32 - 1;
+				Self::deposit_event(RawEvent::Canceled(when, index));
+				Self::deposit_event(RawEvent::Scheduled(new_time, new_index));
 
-			*lookup = Some((new_time, new_index));
+				*lookup = Some((new_time, new_index));
 
-			Ok((new_time, new_index))
-		})
+				Ok((new_time, new_index))
+			},
+		)
 	}
 }
 
-impl<T: Config> schedule::Anon<T::BlockNumber, <T as Config>::Call, T::PalletsOrigin> for Module<T> {
+impl<T: Config> schedule::Anon<T::BlockNumber, <T as Config>::Call, T::PalletsOrigin>
+	for Module<T>
+{
 	type Address = TaskAddress<T::BlockNumber>;
 
 	fn schedule(
@@ -698,7 +730,7 @@
 		maybe_periodic: Option<schedule::Period<T::BlockNumber>>,
 		priority: schedule::Priority,
 		origin: T::PalletsOrigin,
-		call: <T as Config>::Call
+		call: <T as Config>::Call,
 	) -> Result<Self::Address, DispatchError> {
 		Self::do_schedule(when, maybe_periodic, priority, origin, call)
 	}
@@ -715,11 +747,16 @@
 	}
 
 	fn next_dispatch_time((when, index): Self::Address) -> Result<T::BlockNumber, ()> {
-		Agenda::<T>::get(when).get(index as usize).ok_or(()).map(|_| when)
+		Agenda::<T>::get(when)
+			.get(index as usize)
+			.ok_or(())
+			.map(|_| when)
 	}
 }
 
-impl<T: Config> schedule::Named<T::BlockNumber, <T as Config>::Call, T::PalletsOrigin> for Module<T> {
+impl<T: Config> schedule::Named<T::BlockNumber, <T as Config>::Call, T::PalletsOrigin>
+	for Module<T>
+{
 	type Address = TaskAddress<T::BlockNumber>;
 
 	fn schedule_named(
@@ -745,17 +782,19 @@
 	}
 
 	fn next_dispatch_time(id: Vec<u8>) -> Result<T::BlockNumber, ()> {
-		Lookup::<T>::get(id).and_then(|(when, index)| Agenda::<T>::get(when).get(index as usize).map(|_| when)).ok_or(())
+		Lookup::<T>::get(id)
+			.and_then(|(when, index)| Agenda::<T>::get(when).get(index as usize).map(|_| when))
+			.ok_or(())
 	}
 }
 
 #[cfg(test)]
+#[allow(clippy::from_over_into)]
 mod tests {
 	use super::*;
 
 	use frame_support::{
-		parameter_types, assert_ok, ord_parameter_types,
-		assert_noop, assert_err, Hashable,
+		parameter_types, assert_ok, ord_parameter_types, assert_noop, assert_err, Hashable,
 		traits::{OnInitialize, OnFinalize, Filter},
 		weights::constants::RocksDbWeight,
 	};
@@ -887,10 +926,13 @@
 		type ScheduleOrigin = EnsureOneOf<u64, EnsureRoot<u64>, EnsureSignedBy<One, u64>>;
 		type MaxScheduledPerBlock = MaxScheduledPerBlock;
 		type WeightInfo = ();
+		type SponsorshipHandler = ();
 	}
 
 	pub fn new_test_ext() -> sp_io::TestExternalities {
-		let t = system::GenesisConfig::default().build_storage::<Test>().unwrap();
+		let t = system::GenesisConfig::default()
+			.build_storage::<Test>()
+			.unwrap();
 		t.into()
 	}
 
@@ -910,8 +952,16 @@
 	fn basic_scheduling_works() {
 		new_test_ext().execute_with(|| {
 			let call = Call::Logger(logger::Call::log(42, 1000));
-			assert!(!<Test as frame_system::Config>::BaseCallFilter::filter(&call));
-			assert_ok!(Scheduler::do_schedule(DispatchTime::At(4), None, 127, root(), call));
+			assert!(!<Test as frame_system::Config>::BaseCallFilter::filter(
+				&call
+			));
+			assert_ok!(Scheduler::do_schedule(
+				DispatchTime::At(4),
+				None,
+				127,
+				root(),
+				call
+			));
 			run_to_block(3);
 			assert!(logger::log().is_empty());
 			run_to_block(4);
@@ -926,9 +976,17 @@
 		new_test_ext().execute_with(|| {
 			run_to_block(2);
 			let call = Call::Logger(logger::Call::log(42, 1000));
-			assert!(!<Test as frame_system::Config>::BaseCallFilter::filter(&call));
+			assert!(!<Test as frame_system::Config>::BaseCallFilter::filter(
+				&call
+			));
 			// This will schedule the call 3 blocks after the next block... so block 3 + 3 = 6
-			assert_ok!(Scheduler::do_schedule(DispatchTime::After(3), None, 127, root(), call));
+			assert_ok!(Scheduler::do_schedule(
+				DispatchTime::After(3),
+				None,
+				127,
+				root(),
+				call
+			));
 			run_to_block(5);
 			assert!(logger::log().is_empty());
 			run_to_block(6);
@@ -943,8 +1001,16 @@
 		new_test_ext().execute_with(|| {
 			run_to_block(2);
 			let call = Call::Logger(logger::Call::log(42, 1000));
-			assert!(!<Test as frame_system::Config>::BaseCallFilter::filter(&call));
-			assert_ok!(Scheduler::do_schedule(DispatchTime::After(0), None, 127, root(), call));
+			assert!(!<Test as frame_system::Config>::BaseCallFilter::filter(
+				&call
+			));
+			assert_ok!(Scheduler::do_schedule(
+				DispatchTime::After(0),
+				None,
+				127,
+				root(),
+				call
+			));
 			// Will trigger on the next block.
 			run_to_block(3);
 			assert_eq!(logger::log(), vec![(root(), 42u32)]);
@@ -958,7 +1024,11 @@
 		new_test_ext().execute_with(|| {
 			// at #4, every 3 blocks, 3 times.
 			assert_ok!(Scheduler::do_schedule(
-				DispatchTime::At(4), Some((3, 3)), 127, root(), Call::Logger(logger::Call::log(42, 1000))
+				DispatchTime::At(4),
+				Some((3, 3)),
+				127,
+				root(),
+				Call::Logger(logger::Call::log(42, 1000))
 			));
 			run_to_block(3);
 			assert!(logger::log().is_empty());
@@ -971,9 +1041,15 @@
 			run_to_block(9);
 			assert_eq!(logger::log(), vec![(root(), 42u32), (root(), 42u32)]);
 			run_to_block(10);
-			assert_eq!(logger::log(), vec![(root(), 42u32), (root(), 42u32), (root(), 42u32)]);
+			assert_eq!(
+				logger::log(),
+				vec![(root(), 42u32), (root(), 42u32), (root(), 42u32)]
+			);
 			run_to_block(100);
-			assert_eq!(logger::log(), vec![(root(), 42u32), (root(), 42u32), (root(), 42u32)]);
+			assert_eq!(
+				logger::log(),
+				vec![(root(), 42u32), (root(), 42u32), (root(), 42u32)]
+			);
 		});
 	}
 
@@ -981,15 +1057,26 @@
 	fn reschedule_works() {
 		new_test_ext().execute_with(|| {
 			let call = Call::Logger(logger::Call::log(42, 1000));
-			assert!(!<Test as frame_system::Config>::BaseCallFilter::filter(&call));
-			assert_eq!(Scheduler::do_schedule(DispatchTime::At(4), None, 127, root(), call).unwrap(), (4, 0));
+			assert!(!<Test as frame_system::Config>::BaseCallFilter::filter(
+				&call
+			));
+			assert_eq!(
+				Scheduler::do_schedule(DispatchTime::At(4), None, 127, root(), call).unwrap(),
+				(4, 0)
+			);
 
 			run_to_block(3);
 			assert!(logger::log().is_empty());
 
-			assert_eq!(Scheduler::do_reschedule((4, 0), DispatchTime::At(6)).unwrap(), (6, 0));
+			assert_eq!(
+				Scheduler::do_reschedule((4, 0), DispatchTime::At(6)).unwrap(),
+				(6, 0)
+			);
 
-			assert_noop!(Scheduler::do_reschedule((6, 0), DispatchTime::At(6)), Error::<Test>::RescheduleNoChange);
+			assert_noop!(
+				Scheduler::do_reschedule((6, 0), DispatchTime::At(6)),
+				Error::<Test>::RescheduleNoChange
+			);
 
 			run_to_block(4);
 			assert!(logger::log().is_empty());
@@ -1006,17 +1093,34 @@
 	fn reschedule_named_works() {
 		new_test_ext().execute_with(|| {
 			let call = Call::Logger(logger::Call::log(42, 1000));
-			assert!(!<Test as frame_system::Config>::BaseCallFilter::filter(&call));
-			assert_eq!(Scheduler::do_schedule_named(
-				1u32.encode(), DispatchTime::At(4), None, 127, root(), call
-			).unwrap(), (4, 0));
+			assert!(!<Test as frame_system::Config>::BaseCallFilter::filter(
+				&call
+			));
+			assert_eq!(
+				Scheduler::do_schedule_named(
+					1u32.encode(),
+					DispatchTime::At(4),
+					None,
+					127,
+					root(),
+					call
+				)
+				.unwrap(),
+				(4, 0)
+			);
 
 			run_to_block(3);
 			assert!(logger::log().is_empty());
 
-			assert_eq!(Scheduler::do_reschedule_named(1u32.encode(), DispatchTime::At(6)).unwrap(), (6, 0));
+			assert_eq!(
+				Scheduler::do_reschedule_named(1u32.encode(), DispatchTime::At(6)).unwrap(),
+				(6, 0)
+			);
 
-			assert_noop!(Scheduler::do_reschedule_named(1u32.encode(), DispatchTime::At(6)), Error::<Test>::RescheduleNoChange);
+			assert_noop!(
+				Scheduler::do_reschedule_named(1u32.encode(), DispatchTime::At(6)),
+				Error::<Test>::RescheduleNoChange
+			);
 
 			run_to_block(4);
 			assert!(logger::log().is_empty());
@@ -1033,16 +1137,33 @@
 	fn reschedule_named_perodic_works() {
 		new_test_ext().execute_with(|| {
 			let call = Call::Logger(logger::Call::log(42, 1000));
-			assert!(!<Test as frame_system::Config>::BaseCallFilter::filter(&call));
-			assert_eq!(Scheduler::do_schedule_named(
-				1u32.encode(), DispatchTime::At(4), Some((3, 3)), 127, root(), call
-			).unwrap(), (4, 0));
+			assert!(!<Test as frame_system::Config>::BaseCallFilter::filter(
+				&call
+			));
+			assert_eq!(
+				Scheduler::do_schedule_named(
+					1u32.encode(),
+					DispatchTime::At(4),
+					Some((3, 3)),
+					127,
+					root(),
+					call
+				)
+				.unwrap(),
+				(4, 0)
+			);
 
 			run_to_block(3);
 			assert!(logger::log().is_empty());
 
-			assert_eq!(Scheduler::do_reschedule_named(1u32.encode(), DispatchTime::At(5)).unwrap(), (5, 0));
-			assert_eq!(Scheduler::do_reschedule_named(1u32.encode(), DispatchTime::At(6)).unwrap(), (6, 0));
+			assert_eq!(
+				Scheduler::do_reschedule_named(1u32.encode(), DispatchTime::At(5)).unwrap(),
+				(5, 0)
+			);
+			assert_eq!(
+				Scheduler::do_reschedule_named(1u32.encode(), DispatchTime::At(6)).unwrap(),
+				(6, 0)
+			);
 
 			run_to_block(5);
 			assert!(logger::log().is_empty());
@@ -1050,7 +1171,10 @@
 			run_to_block(6);
 			assert_eq!(logger::log(), vec![(root(), 42u32)]);
 
-			assert_eq!(Scheduler::do_reschedule_named(1u32.encode(), DispatchTime::At(10)).unwrap(), (10, 0));
+			assert_eq!(
+				Scheduler::do_reschedule_named(1u32.encode(), DispatchTime::At(10)).unwrap(),
+				(10, 0)
+			);
 
 			run_to_block(9);
 			assert_eq!(logger::log(), vec![(root(), 42u32)]);
@@ -1059,10 +1183,16 @@
 			assert_eq!(logger::log(), vec![(root(), 42u32), (root(), 42u32)]);
 
 			run_to_block(13);
-			assert_eq!(logger::log(), vec![(root(), 42u32), (root(), 42u32), (root(), 42u32)]);
+			assert_eq!(
+				logger::log(),
+				vec![(root(), 42u32), (root(), 42u32), (root(), 42u32)]
+			);
 
 			run_to_block(100);
-			assert_eq!(logger::log(), vec![(root(), 42u32), (root(), 42u32), (root(), 42u32)]);
+			assert_eq!(
+				logger::log(),
+				vec![(root(), 42u32), (root(), 42u32), (root(), 42u32)]
+			);
 		});
 	}
 
@@ -1071,11 +1201,22 @@
 		new_test_ext().execute_with(|| {
 			// at #4.
 			Scheduler::do_schedule_named(
-				1u32.encode(), DispatchTime::At(4), None, 127, root(), Call::Logger(logger::Call::log(69, 1000))
-			).unwrap();
+				1u32.encode(),
+				DispatchTime::At(4),
+				None,
+				127,
+				root(),
+				Call::Logger(logger::Call::log(69, 1000)),
+			)
+			.unwrap();
 			let i = Scheduler::do_schedule(
-				DispatchTime::At(4), None, 127, root(), Call::Logger(logger::Call::log(42, 1000))
-			).unwrap();
+				DispatchTime::At(4),
+				None,
+				127,
+				root(),
+				Call::Logger(logger::Call::log(42, 1000)),
+			)
+			.unwrap();
 			run_to_block(3);
 			assert!(logger::log().is_empty());
 			assert_ok!(Scheduler::do_cancel_named(None, 1u32.encode()));
@@ -1095,8 +1236,9 @@
 				Some((3, 3)),
 				127,
 				root(),
-				Call::Logger(logger::Call::log(42, 1000))
-			).unwrap();
+				Call::Logger(logger::Call::log(42, 1000)),
+			)
+			.unwrap();
 			// same id results in error.
 			assert!(Scheduler::do_schedule_named(
 				1u32.encode(),
@@ -1105,11 +1247,18 @@
 				127,
 				root(),
 				Call::Logger(logger::Call::log(69, 1000))
-			).is_err());
+			)
+			.is_err());
 			// different id is ok.
 			Scheduler::do_schedule_named(
-				2u32.encode(), DispatchTime::At(8), None, 127, root(), Call::Logger(logger::Call::log(69, 1000))
-			).unwrap();
+				2u32.encode(),
+				DispatchTime::At(8),
+				None,
+				127,
+				root(),
+				Call::Logger(logger::Call::log(69, 1000)),
+			)
+			.unwrap();
 			run_to_block(3);
 			assert!(logger::log().is_empty());
 			run_to_block(4);
@@ -1135,7 +1284,8 @@
 				DispatchTime::At(4),
 				None,
 				127,
-				root(), Call::Logger(logger::Call::log(69, MaximumSchedulerWeight::get() / 2))
+				root(),
+				Call::Logger(logger::Call::log(69, MaximumSchedulerWeight::get() / 2))
 			));
 			// 69 and 42 do not fit together
 			run_to_block(4);
@@ -1197,19 +1347,22 @@
 				DispatchTime::At(4),
 				None,
 				255,
-				root(), Call::Logger(logger::Call::log(42, MaximumSchedulerWeight::get() / 3))
+				root(),
+				Call::Logger(logger::Call::log(42, MaximumSchedulerWeight::get() / 3))
 			));
 			assert_ok!(Scheduler::do_schedule(
 				DispatchTime::At(4),
 				None,
 				127,
-				root(), Call::Logger(logger::Call::log(69, MaximumSchedulerWeight::get() / 2))
+				root(),
+				Call::Logger(logger::Call::log(69, MaximumSchedulerWeight::get() / 2))
 			));
 			assert_ok!(Scheduler::do_schedule(
 				DispatchTime::At(4),
 				None,
 				126,
-				root(), Call::Logger(logger::Call::log(2600, MaximumSchedulerWeight::get() / 2))
+				root(),
+				Call::Logger(logger::Call::log(2600, MaximumSchedulerWeight::get() / 2))
 			));
 
 			// 2600 does not fit with 69 or 42, but has higher priority, so will go through
@@ -1217,25 +1370,32 @@
 			assert_eq!(logger::log(), vec![(root(), 2600u32)]);
 			// 69 and 42 fit together
 			run_to_block(5);
-			assert_eq!(logger::log(), vec![(root(), 2600u32), (root(), 69u32), (root(), 42u32)]);
+			assert_eq!(
+				logger::log(),
+				vec![(root(), 2600u32), (root(), 69u32), (root(), 42u32)]
+			);
 		});
 	}
 
 	#[test]
 	fn on_initialize_weight_is_correct() {
 		new_test_ext().execute_with(|| {
-			let base_weight: Weight = <Test as frame_system::Config>::DbWeight::get().reads_writes(1, 2);
+			let base_weight: Weight =
+				<Test as frame_system::Config>::DbWeight::get().reads_writes(1, 2);
 			let base_multiplier = 0;
 			let named_multiplier = <Test as frame_system::Config>::DbWeight::get().writes(1);
-			let periodic_multiplier = <Test as frame_system::Config>::DbWeight::get().reads_writes(1, 1);
+			let periodic_multiplier =
+				<Test as frame_system::Config>::DbWeight::get().reads_writes(1, 1);
 
 			// Named
-			assert_ok!(
-				Scheduler::do_schedule_named(
-					1u32.encode(), DispatchTime::At(1), None, 255, root(),
-					Call::Logger(logger::Call::log(3, MaximumSchedulerWeight::get() / 3))
-				)
-			);
+			assert_ok!(Scheduler::do_schedule_named(
+				1u32.encode(),
+				DispatchTime::At(1),
+				None,
+				255,
+				root(),
+				Call::Logger(logger::Call::log(3, MaximumSchedulerWeight::get() / 3))
+			));
 			// Anon Periodic
 			assert_ok!(Scheduler::do_schedule(
 				DispatchTime::At(1),
@@ -1254,29 +1414,53 @@
 			));
 			// Named Periodic
 			assert_ok!(Scheduler::do_schedule_named(
-				2u32.encode(), DispatchTime::At(1), Some((1000, 3)), 126, root(),
-				Call::Logger(logger::Call::log(2600, MaximumSchedulerWeight::get() / 2)))
-			);
+				2u32.encode(),
+				DispatchTime::At(1),
+				Some((1000, 3)),
+				126,
+				root(),
+				Call::Logger(logger::Call::log(2600, MaximumSchedulerWeight::get() / 2))
+			));
 
 			// Will include the named periodic only
 			let actual_weight = Scheduler::on_initialize(1);
 			let call_weight = MaximumSchedulerWeight::get() / 2;
 			assert_eq!(
-				actual_weight, call_weight + base_weight + base_multiplier + named_multiplier + periodic_multiplier
+				actual_weight,
+				call_weight
+					+ base_weight + base_multiplier
+					+ named_multiplier + periodic_multiplier
 			);
 			assert_eq!(logger::log(), vec![(root(), 2600u32)]);
 
 			// Will include anon and anon periodic
 			let actual_weight = Scheduler::on_initialize(2);
 			let call_weight = MaximumSchedulerWeight::get() / 2 + MaximumSchedulerWeight::get() / 3;
-			assert_eq!(actual_weight, call_weight + base_weight + base_multiplier * 2 + periodic_multiplier);
-			assert_eq!(logger::log(), vec![(root(), 2600u32), (root(), 69u32), (root(), 42u32)]);
+			assert_eq!(
+				actual_weight,
+				call_weight + base_weight + base_multiplier * 2 + periodic_multiplier
+			);
+			assert_eq!(
+				logger::log(),
+				vec![(root(), 2600u32), (root(), 69u32), (root(), 42u32)]
+			);
 
 			// Will include named only
 			let actual_weight = Scheduler::on_initialize(3);
 			let call_weight = MaximumSchedulerWeight::get() / 3;
-			assert_eq!(actual_weight, call_weight + base_weight + base_multiplier + named_multiplier);
-			assert_eq!(logger::log(), vec![(root(), 2600u32), (root(), 69u32), (root(), 42u32), (root(), 3u32)]);
+			assert_eq!(
+				actual_weight,
+				call_weight + base_weight + base_multiplier + named_multiplier
+			);
+			assert_eq!(
+				logger::log(),
+				vec![
+					(root(), 2600u32),
+					(root(), 69u32),
+					(root(), 42u32),
+					(root(), 3u32)
+				]
+			);
 
 			// Will contain none
 			let actual_weight = Scheduler::on_initialize(4);
@@ -1289,7 +1473,14 @@
 		new_test_ext().execute_with(|| {
 			let call = Box::new(Call::Logger(logger::Call::log(69, 1000)));
 			let call2 = Box::new(Call::Logger(logger::Call::log(42, 1000)));
-			assert_ok!(Scheduler::schedule_named(Origin::root(), 1u32.encode(), 4, None, 127, call));
+			assert_ok!(Scheduler::schedule_named(
+				Origin::root(),
+				1u32.encode(),
+				4,
+				None,
+				127,
+				call
+			));
 			assert_ok!(Scheduler::schedule(Origin::root(), 4, None, 127, call2));
 			run_to_block(3);
 			// Scheduled calls are in the agenda.
@@ -1333,15 +1524,29 @@
 		new_test_ext().execute_with(|| {
 			let call = Box::new(Call::Logger(logger::Call::log(69, 1000)));
 			let call2 = Box::new(Call::Logger(logger::Call::log(42, 1000)));
-			assert_ok!(
-				Scheduler::schedule_named(system::RawOrigin::Signed(1).into(), 1u32.encode(), 4, None, 127, call)
-			);
-			assert_ok!(Scheduler::schedule(system::RawOrigin::Signed(1).into(), 4, None, 127, call2));
+			assert_ok!(Scheduler::schedule_named(
+				system::RawOrigin::Signed(1).into(),
+				1u32.encode(),
+				4,
+				None,
+				127,
+				call
+			));
+			assert_ok!(Scheduler::schedule(
+				system::RawOrigin::Signed(1).into(),
+				4,
+				None,
+				127,
+				call2
+			));
 			run_to_block(3);
 			// Scheduled calls are in the agenda.
 			assert_eq!(Agenda::<Test>::get(4).len(), 2);
 			assert!(logger::log().is_empty());
-			assert_ok!(Scheduler::cancel_named(system::RawOrigin::Signed(1).into(), 1u32.encode()));
+			assert_ok!(Scheduler::cancel_named(
+				system::RawOrigin::Signed(1).into(),
+				1u32.encode()
+			));
 			assert_ok!(Scheduler::cancel(system::RawOrigin::Signed(1).into(), 4, 1));
 			// Scheduled calls are made NONE, so should not effect state
 			run_to_block(100);
@@ -1355,10 +1560,20 @@
 			let call = Box::new(Call::Logger(logger::Call::log(69, 1000)));
 			let call2 = Box::new(Call::Logger(logger::Call::log(42, 1000)));
 			assert_noop!(
-				Scheduler::schedule_named(system::RawOrigin::Signed(2).into(), 1u32.encode(), 4, None, 127, call),
+				Scheduler::schedule_named(
+					system::RawOrigin::Signed(2).into(),
+					1u32.encode(),
+					4,
+					None,
+					127,
+					call
+				),
 				BadOrigin
 			);
-			assert_noop!(Scheduler::schedule(system::RawOrigin::Signed(2).into(), 4, None, 127, call2), BadOrigin);
+			assert_noop!(
+				Scheduler::schedule(system::RawOrigin::Signed(2).into(), 4, None, 127, call2),
+				BadOrigin
+			);
 		});
 	}
 
@@ -1367,22 +1582,48 @@
 		new_test_ext().execute_with(|| {
 			let call = Box::new(Call::Logger(logger::Call::log_without_filter(69, 1000)));
 			let call2 = Box::new(Call::Logger(logger::Call::log_without_filter(42, 1000)));
-			assert_ok!(
-				Scheduler::schedule_named(system::RawOrigin::Signed(1).into(), 1u32.encode(), 4, None, 127, call)
-			);
-			assert_ok!(Scheduler::schedule(system::RawOrigin::Signed(1).into(), 4, None, 127, call2));
+			assert_ok!(Scheduler::schedule_named(
+				system::RawOrigin::Signed(1).into(),
+				1u32.encode(),
+				4,
+				None,
+				127,
+				call
+			));
+			assert_ok!(Scheduler::schedule(
+				system::RawOrigin::Signed(1).into(),
+				4,
+				None,
+				127,
+				call2
+			));
 			run_to_block(3);
 			// Scheduled calls are in the agenda.
 			assert_eq!(Agenda::<Test>::get(4).len(), 2);
 			assert!(logger::log().is_empty());
-			assert_noop!(Scheduler::cancel_named(system::RawOrigin::Signed(2).into(), 1u32.encode()), BadOrigin);
-			assert_noop!(Scheduler::cancel(system::RawOrigin::Signed(2).into(), 4, 1), BadOrigin);
-			assert_noop!(Scheduler::cancel_named(system::RawOrigin::Root.into(), 1u32.encode()), BadOrigin);
-			assert_noop!(Scheduler::cancel(system::RawOrigin::Root.into(), 4, 1), BadOrigin);
+			assert_noop!(
+				Scheduler::cancel_named(system::RawOrigin::Signed(2).into(), 1u32.encode()),
+				BadOrigin
+			);
+			assert_noop!(
+				Scheduler::cancel(system::RawOrigin::Signed(2).into(), 4, 1),
+				BadOrigin
+			);
+			assert_noop!(
+				Scheduler::cancel_named(system::RawOrigin::Root.into(), 1u32.encode()),
+				BadOrigin
+			);
+			assert_noop!(
+				Scheduler::cancel(system::RawOrigin::Root.into(), 4, 1),
+				BadOrigin
+			);
 			run_to_block(5);
 			assert_eq!(
 				logger::log(),
-				vec![(system::RawOrigin::Signed(1).into(), 69u32), (system::RawOrigin::Signed(1).into(), 42u32)]
+				vec![
+					(system::RawOrigin::Signed(1).into(), 69u32),
+					(system::RawOrigin::Signed(1).into(), 42u32)
+				]
 			);
 		});
 	}
@@ -1407,85 +1648,84 @@
 						maybe_periodic: Some((456u64, 10)),
 					}),
 				];
-				frame_support::migration::put_storage_value(
-					b"Scheduler",
-					b"Agenda",
-					&k,
-					old,
-				);
+				frame_support::migration::put_storage_value(b"Scheduler", b"Agenda", &k, old);
 			}
 
 			assert_eq!(StorageVersion::get(), Releases::V1);
 
 			assert!(Scheduler::migrate_v1_to_t2());
 
-			assert_eq_uvec!(Agenda::<Test>::iter().collect::<Vec<_>>(), vec![
-				(
-					0,
-					vec![
-					Some(ScheduledV2 {
-						maybe_id: None,
-						priority: 10,
-						call: Call::Logger(logger::Call::log(96, 100)),
-						maybe_periodic: None,
-						origin: root(),
-						_phantom: PhantomData::<u64>::default(),
-					}),
-					None,
-					Some(ScheduledV2 {
-						maybe_id: Some(b"test".to_vec()),
-						priority: 123,
-						call: Call::Logger(logger::Call::log(69, 1000)),
-						maybe_periodic: Some((456u64, 10)),
-						origin: root(),
-						_phantom: PhantomData::<u64>::default(),
-					}),
-				]),
-				(
-					1,
-					vec![
-						Some(ScheduledV2 {
-							maybe_id: None,
-							priority: 11,
-							call: Call::Logger(logger::Call::log(96, 100)),
-							maybe_periodic: None,
-							origin: root(),
-							_phantom: PhantomData::<u64>::default(),
-						}),
-						None,
-						Some(ScheduledV2 {
-							maybe_id: Some(b"test".to_vec()),
-							priority: 123,
-							call: Call::Logger(logger::Call::log(69, 1000)),
-							maybe_periodic: Some((456u64, 10)),
-							origin: root(),
-							_phantom: PhantomData::<u64>::default(),
-						}),
-					]
-				),
-				(
-					2,
-					vec![
-						Some(ScheduledV2 {
-							maybe_id: None,
-							priority: 12,
-							call: Call::Logger(logger::Call::log(96, 100)),
-							maybe_periodic: None,
-							origin: root(),
-							_phantom: PhantomData::<u64>::default(),
-						}),
-						None,
-						Some(ScheduledV2 {
-							maybe_id: Some(b"test".to_vec()),
-							priority: 123,
-							call: Call::Logger(logger::Call::log(69, 1000)),
-							maybe_periodic: Some((456u64, 10)),
-							origin: root(),
-							_phantom: PhantomData::<u64>::default(),
-						}),
-					]
-				)
-			]);
+			assert_eq_uvec!(
+				Agenda::<Test>::iter().collect::<Vec<_>>(),
+				vec![
+					(
+						0,
+						vec![
+							Some(ScheduledV2 {
+								maybe_id: None,
+								priority: 10,
+								call: Call::Logger(logger::Call::log(96, 100)),
+								maybe_periodic: None,
+								origin: root(),
+								_phantom: PhantomData::<u64>::default(),
+							}),
+							None,
+							Some(ScheduledV2 {
+								maybe_id: Some(b"test".to_vec()),
+								priority: 123,
+								call: Call::Logger(logger::Call::log(69, 1000)),
+								maybe_periodic: Some((456u64, 10)),
+								origin: root(),
+								_phantom: PhantomData::<u64>::default(),
+							}),
+						]
+					),
+					(
+						1,
+						vec![
+							Some(ScheduledV2 {
+								maybe_id: None,
+								priority: 11,
+								call: Call::Logger(logger::Call::log(96, 100)),
+								maybe_periodic: None,
+								origin: root(),
+								_phantom: PhantomData::<u64>::default(),
+							}),
+							None,
+							Some(ScheduledV2 {
+								maybe_id: Some(b"test".to_vec()),
+								priority: 123,
+								call: Call::Logger(logger::Call::log(69, 1000)),
+								maybe_periodic: Some((456u64, 10)),
+								origin: root(),
+								_phantom: PhantomData::<u64>::default(),
+							}),
+						]
+					),
+					(
+						2,
+						vec![
+							Some(ScheduledV2 {
+								maybe_id: None,
+								priority: 12,
+								call: Call::Logger(logger::Call::log(96, 100)),
+								maybe_periodic: None,
+								origin: root(),
+								_phantom: PhantomData::<u64>::default(),
+							}),
+							None,
+							Some(ScheduledV2 {
+								maybe_id: Some(b"test".to_vec()),
+								priority: 123,
+								call: Call::Logger(logger::Call::log(69, 1000)),
+								maybe_periodic: Some((456u64, 10)),
+								origin: root(),
+								_phantom: PhantomData::<u64>::default(),
+							}),
+						]
+					)
+				]
+			);
 
 			assert_eq!(StorageVersion::get(), Releases::V2);
 		});
@@ -1515,93 +1755,92 @@
 						_phantom: Default::default(),
 					}),
 				];
-				frame_support::migration::put_storage_value(
-					b"Scheduler",
-					b"Agenda",
-					&k,
-					old,
-				);
+				frame_support::migration::put_storage_value(b"Scheduler", b"Agenda", &k, old);
 			}
 
-			impl Into<OriginCaller> for u32 {
-				fn into(self) -> OriginCaller {
-					match self {
-						3u32 => system::RawOrigin::Root.into(),
-						2u32 => system::RawOrigin::None.into(),
-						_ => unreachable!("test make no use of it"),
+			impl From<u32> for OriginCaller {
+				fn from(value: u32) -> Self {
+					match value {
+						3 => system::RawOrigin::Root.into(),
+						2 => system::RawOrigin::None.into(),
+						_ => unimplemented!(),
 					}
 				}
 			}
 
 			Scheduler::migrate_origin::<u32>();
 
-			assert_eq_uvec!(Agenda::<Test>::iter().collect::<Vec<_>>(), vec![
-				(
-					0,
-					vec![
-					Some(ScheduledV2::<_, _, OriginCaller, u64> {
-						maybe_id: None,
-						priority: 10,
-						call: Call::Logger(logger::Call::log(96, 100)),
-						maybe_periodic: None,
-						origin: system::RawOrigin::Root.into(),
-						_phantom: PhantomData::<u64>::default(),
-					}),
-					None,
-					Some(ScheduledV2 {
-						maybe_id: Some(b"test".to_vec()),
-						priority: 123,
-						call: Call::Logger(logger::Call::log(69, 1000)),
-						maybe_periodic: Some((456u64, 10)),
-						origin: system::RawOrigin::None.into(),
-						_phantom: PhantomData::<u64>::default(),
-					}),
-				]),
-				(
-					1,
-					vec![
-						Some(ScheduledV2 {
-							maybe_id: None,
-							priority: 11,
-							call: Call::Logger(logger::Call::log(96, 100)),
-							maybe_periodic: None,
-							origin: system::RawOrigin::Root.into(),
-							_phantom: PhantomData::<u64>::default(),
-						}),
-						None,
-						Some(ScheduledV2 {
-							maybe_id: Some(b"test".to_vec()),
-							priority: 123,
-							call: Call::Logger(logger::Call::log(69, 1000)),
-							maybe_periodic: Some((456u64, 10)),
-							origin: system::RawOrigin::None.into(),
-							_phantom: PhantomData::<u64>::default(),
-						}),
-					]
-				),
-				(
-					2,
-					vec![
-						Some(ScheduledV2 {
-							maybe_id: None,
-							priority: 12,
-							call: Call::Logger(logger::Call::log(96, 100)),
-							maybe_periodic: None,
-							origin: system::RawOrigin::Root.into(),
-							_phantom: PhantomData::<u64>::default(),
-						}),
-						None,
-						Some(ScheduledV2 {
-							maybe_id: Some(b"test".to_vec()),
-							priority: 123,
-							call: Call::Logger(logger::Call::log(69, 1000)),
-							maybe_periodic: Some((456u64, 10)),
-							origin: system::RawOrigin::None.into(),
-							_phantom: PhantomData::<u64>::default(),
-						}),
-					]
-				)
-			]);
+			assert_eq_uvec!(
+				Agenda::<Test>::iter().collect::<Vec<_>>(),
+				vec![
+					(
+						0,
+						vec![
+							Some(ScheduledV2::<_, _, OriginCaller, u64> {
+								maybe_id: None,
+								priority: 10,
+								call: Call::Logger(logger::Call::log(96, 100)),
+								maybe_periodic: None,
+								origin: system::RawOrigin::Root.into(),
+								_phantom: PhantomData::<u64>::default(),
+							}),
+							None,
+							Some(ScheduledV2 {
+								maybe_id: Some(b"test".to_vec()),
+								priority: 123,
+								call: Call::Logger(logger::Call::log(69, 1000)),
+								maybe_periodic: Some((456u64, 10)),
+								origin: system::RawOrigin::None.into(),
+								_phantom: PhantomData::<u64>::default(),
+							}),
+						]
+					),
+					(
+						1,
+						vec![
+							Some(ScheduledV2 {
+								maybe_id: None,
+								priority: 11,
+								call: Call::Logger(logger::Call::log(96, 100)),
+								maybe_periodic: None,
+								origin: system::RawOrigin::Root.into(),
+								_phantom: PhantomData::<u64>::default(),
+							}),
+							None,
+							Some(ScheduledV2 {
+								maybe_id: Some(b"test".to_vec()),
+								priority: 123,
+								call: Call::Logger(logger::Call::log(69, 1000)),
+								maybe_periodic: Some((456u64, 10)),
+								origin: system::RawOrigin::None.into(),
+								_phantom: PhantomData::<u64>::default(),
+							}),
+						]
+					),
+					(
+						2,
+						vec![
+							Some(ScheduledV2 {
+								maybe_id: None,
+								priority: 12,
+								call: Call::Logger(logger::Call::log(96, 100)),
+								maybe_periodic: None,
+								origin: system::RawOrigin::Root.into(),
+								_phantom: PhantomData::<u64>::default(),
+							}),
+							None,
+							Some(ScheduledV2 {
+								maybe_id: Some(b"test".to_vec()),
+								priority: 123,
+								call: Call::Logger(logger::Call::log(69, 1000)),
+								maybe_periodic: Some((456u64, 10)),
+								origin: system::RawOrigin::None.into(),
+								_phantom: PhantomData::<u64>::default(),
+							}),
+						]
+					)
+				]
+			);
 		});
 	}
 }
modifiedpallets/scheduler/src/weights.rsdiffbeforeafterboth
--- a/pallets/scheduler/src/weights.rs
+++ b/pallets/scheduler/src/weights.rs
@@ -34,85 +34,76 @@
 // --output=./frame/scheduler/src/weights.rs
 // --template=./.maintain/frame-weight-template.hbs
 
-
 #![allow(unused_parens)]
 #![allow(unused_imports)]
 
-use frame_support::{traits::Get, weights::{Weight, constants::RocksDbWeight}};
+use frame_support::{
+	traits::Get,
+	weights::{Weight, constants::RocksDbWeight},
+};
 use sp_std::marker::PhantomData;
 
 /// Weight functions needed for pallet_scheduler.
 pub trait WeightInfo {
-	fn schedule(s: u32, ) -> Weight;
-	fn cancel(s: u32, ) -> Weight;
-	fn schedule_named(s: u32, ) -> Weight;
-	fn cancel_named(s: u32, ) -> Weight;
-	
+	fn schedule(s: u32) -> Weight;
+	fn cancel(s: u32) -> Weight;
+	fn schedule_named(s: u32) -> Weight;
+	fn cancel_named(s: u32) -> Weight;
 }
 
 /// Weights for pallet_scheduler using the Substrate node and recommended hardware.
 pub struct SubstrateWeight<T>(PhantomData<T>);
 impl<T: frame_system::Config> WeightInfo for SubstrateWeight<T> {
-	fn schedule(s: u32, ) -> Weight {
-		(35_029_000 as Weight)
-			.saturating_add((77_000 as Weight).saturating_mul(s as Weight))
-			.saturating_add(T::DbWeight::get().reads(1 as Weight))
-			.saturating_add(T::DbWeight::get().writes(1 as Weight))
-			
+	fn schedule(s: u32) -> Weight {
+		35_029_000_u64
+			.saturating_add(77_000_u64.saturating_mul(s as Weight))
+			.saturating_add(T::DbWeight::get().reads(1_u64))
+			.saturating_add(T::DbWeight::get().writes(1_u64))
 	}
-	fn cancel(s: u32, ) -> Weight {
-		(31_419_000 as Weight)
-			.saturating_add((4_015_000 as Weight).saturating_mul(s as Weight))
-			.saturating_add(T::DbWeight::get().reads(1 as Weight))
-			.saturating_add(T::DbWeight::get().writes(2 as Weight))
-			
+	fn cancel(s: u32) -> Weight {
+		31_419_000_u64
+			.saturating_add(4_015_000_u64.saturating_mul(s as Weight))
+			.saturating_add(T::DbWeight::get().reads(1_u64))
+			.saturating_add(T::DbWeight::get().writes(2_u64))
 	}
-	fn schedule_named(s: u32, ) -> Weight {
-		(44_752_000 as Weight)
-			.saturating_add((123_000 as Weight).saturating_mul(s as Weight))
-			.saturating_add(T::DbWeight::get().reads(2 as Weight))
-			.saturating_add(T::DbWeight::get().writes(2 as Weight))
-			
+	fn schedule_named(s: u32) -> Weight {
+		44_752_000_u64
+			.saturating_add(123_000_u64.saturating_mul(s as Weight))
+			.saturating_add(T::DbWeight::get().reads(2_u64))
+			.saturating_add(T::DbWeight::get().writes(2_u64))
 	}
-	fn cancel_named(s: u32, ) -> Weight {
-		(35_712_000 as Weight)
-			.saturating_add((4_008_000 as Weight).saturating_mul(s as Weight))
-			.saturating_add(T::DbWeight::get().reads(2 as Weight))
-			.saturating_add(T::DbWeight::get().writes(2 as Weight))
-			
+	fn cancel_named(s: u32) -> Weight {
+		35_712_000_u64
+			.saturating_add(4_008_000_u64.saturating_mul(s as Weight))
+			.saturating_add(T::DbWeight::get().reads(2_u64))
+			.saturating_add(T::DbWeight::get().writes(2_u64))
 	}
-	
 }
 
 // For backwards compatibility and tests
 impl WeightInfo for () {
-	fn schedule(s: u32, ) -> Weight {
-		(35_029_000 as Weight)
-			.saturating_add((77_000 as Weight).saturating_mul(s as Weight))
-			.saturating_add(RocksDbWeight::get().reads(1 as Weight))
-			.saturating_add(RocksDbWeight::get().writes(1 as Weight))
-			
+	fn schedule(s: u32) -> Weight {
+		35_029_000_u64
+			.saturating_add(77_000_u64.saturating_mul(s as Weight))
+			.saturating_add(RocksDbWeight::get().reads(1_u64))
+			.saturating_add(RocksDbWeight::get().writes(1_u64))
 	}
-	fn cancel(s: u32, ) -> Weight {
-		(31_419_000 as Weight)
-			.saturating_add((4_015_000 as Weight).saturating_mul(s as Weight))
-			.saturating_add(RocksDbWeight::get().reads(1 as Weight))
-			.saturating_add(RocksDbWeight::get().writes(2 as Weight))
-			
+	fn cancel(s: u32) -> Weight {
+		31_419_000_u64
+			.saturating_add(4_015_000_u64.saturating_mul(s as Weight))
+			.saturating_add(RocksDbWeight::get().reads(1_u64))
+			.saturating_add(RocksDbWeight::get().writes(2_u64))
 	}
-	fn schedule_named(s: u32, ) -> Weight {
-		(44_752_000 as Weight)
-			.saturating_add((123_000 as Weight).saturating_mul(s as Weight))
-			.saturating_add(RocksDbWeight::get().reads(2 as Weight))
-			.saturating_add(RocksDbWeight::get().writes(2 as Weight))
-			
+	fn schedule_named(s: u32) -> Weight {
+		44_752_000_u64
+			.saturating_add(123_000_u64.saturating_mul(s as Weight))
+			.saturating_add(RocksDbWeight::get().reads(2_u64))
+			.saturating_add(RocksDbWeight::get().writes(2_u64))
 	}
-	fn cancel_named(s: u32, ) -> Weight {
-		(35_712_000 as Weight)
-			.saturating_add((4_008_000 as Weight).saturating_mul(s as Weight))
-			.saturating_add(RocksDbWeight::get().reads(2 as Weight))
-			.saturating_add(RocksDbWeight::get().writes(2 as Weight))
-			
+	fn cancel_named(s: u32) -> Weight {
+		35_712_000_u64
+			.saturating_add(4_008_000_u64.saturating_mul(s as Weight))
+			.saturating_add(RocksDbWeight::get().reads(2_u64))
+			.saturating_add(RocksDbWeight::get().writes(2_u64))
 	}
-	
 }
modifiedprimitives/nft/Cargo.tomldiffbeforeafterboth
--- a/primitives/nft/Cargo.toml
+++ b/primitives/nft/Cargo.toml
@@ -11,11 +11,11 @@
 [dependencies]
 codec = { package = "parity-scale-codec", version = "2.0.0", default-features = false, features = ['derive'] }
 serde = { version = "1.0.119", features = ['derive'], default-features = false }
-frame-support = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-frame-system = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-pallet-contracts = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sp-core = { version = "3.0.0", default-features = false, git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
-sp-runtime = { version = "3.0.0", default-features = false, git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.3' }
+frame-support = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+frame-system = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+pallet-contracts = { default-features = false, version = '3.0.0', git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sp-core = { version = "3.0.0", default-features = false, git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
+sp-runtime = { version = "3.0.0", default-features = false, git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.7' }
 
 [features]
 default = ["std"]
modifiedprimitives/nft/src/lib.rsdiffbeforeafterboth
--- a/primitives/nft/src/lib.rs
+++ b/primitives/nft/src/lib.rs
@@ -1,26 +1,23 @@
-
 #![cfg_attr(not(feature = "std"), no_std)]
 
 pub use serde::{Serialize, Deserialize};
 
-use frame_system;
 use sp_runtime::sp_std::prelude::Vec;
 use codec::{Decode, Encode};
 pub use frame_support::{
-    construct_runtime, decl_event, decl_module, decl_storage, decl_error,
-    dispatch::DispatchResult,
-    ensure, fail, parameter_types,
-    traits::{
-        Currency, ExistenceRequirement, Get, Imbalance, KeyOwnerProofSystem, OnUnbalanced,
-        Randomness, IsSubType, WithdrawReasons,
-    },
-    weights::{
-        constants::{BlockExecutionWeight, ExtrinsicBaseWeight, RocksDbWeight, WEIGHT_PER_SECOND},
-        DispatchInfo, GetDispatchInfo, IdentityFee, Pays, PostDispatchInfo, Weight,
-        WeightToFeePolynomial, DispatchClass,
-    },
-    StorageValue,
-    transactional,
+	construct_runtime, decl_event, decl_module, decl_storage, decl_error,
+	dispatch::DispatchResult,
+	ensure, fail, parameter_types,
+	traits::{
+		Currency, ExistenceRequirement, Get, Imbalance, KeyOwnerProofSystem, OnUnbalanced,
+		Randomness, IsSubType, WithdrawReasons,
+	},
+	weights::{
+		constants::{BlockExecutionWeight, ExtrinsicBaseWeight, RocksDbWeight, WEIGHT_PER_SECOND},
+		DispatchInfo, GetDispatchInfo, IdentityFee, Pays, PostDispatchInfo, Weight,
+		WeightToFeePolynomial, DispatchClass,
+	},
+	StorageValue, transactional,
 };
 
 pub const MAX_DECIMAL_POINTS: DecimalPoints = 30;
@@ -35,251 +32,245 @@
 #[derive(Encode, Decode, Eq, Debug, Clone, PartialEq)]
 #[cfg_attr(feature = "std", derive(Serialize, Deserialize))]
 pub enum CollectionMode {
-    Invalid,
-    NFT,
-    // decimal points
-    Fungible(DecimalPoints),
-    ReFungible,
+	Invalid,
+	NFT,
+	// decimal points
+	Fungible(DecimalPoints),
+	ReFungible,
 }
 
 impl Default for CollectionMode {
-    fn default() -> Self {
-        Self::Invalid
-    }
+	fn default() -> Self {
+		Self::Invalid
+	}
 }
 
-impl Into<u8> for CollectionMode {
-    fn into(self) -> u8 {
-        match self {
-            CollectionMode::Invalid => 0,
-            CollectionMode::NFT => 1,
-            CollectionMode::Fungible(_) => 2,
-            CollectionMode::ReFungible => 3,
-        }
-    }
+impl CollectionMode {
+	pub fn id(&self) -> u8 {
+		match self {
+			CollectionMode::Invalid => 0,
+			CollectionMode::NFT => 1,
+			CollectionMode::Fungible(_) => 2,
+			CollectionMode::ReFungible => 3,
+		}
+	}
 }
 
 pub trait SponsoringResolve<AccountId, Call> {
-    fn resolve(
-        who: &AccountId,
-		call: &Call) -> Option<AccountId>;
+	fn resolve(who: &AccountId, call: &Call) -> Option<AccountId>;
 }
 
 #[derive(Encode, Decode, Eq, Debug, Clone, PartialEq)]
 #[cfg_attr(feature = "std", derive(Serialize, Deserialize))]
 pub enum AccessMode {
-    Normal,
-    WhiteList,
+	Normal,
+	WhiteList,
 }
 impl Default for AccessMode {
-    fn default() -> Self {
-        Self::Normal
-    }
+	fn default() -> Self {
+		Self::Normal
+	}
 }
 
 #[derive(Encode, Decode, Eq, Debug, Clone, PartialEq)]
 #[cfg_attr(feature = "std", derive(Serialize, Deserialize))]
 pub enum SchemaVersion {
-    ImageURL,
-    Unique,
+	ImageURL,
+	Unique,
 }
 impl Default for SchemaVersion {
-    fn default() -> Self {
-        Self::ImageURL
-    }
+	fn default() -> Self {
+		Self::ImageURL
+	}
 }
 
 #[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]
 #[cfg_attr(feature = "std", derive(Serialize, Deserialize))]
 pub struct Ownership<AccountId> {
-    pub owner: AccountId,
-    pub fraction: u128,
+	pub owner: AccountId,
+	pub fraction: u128,
 }
 
 #[derive(Encode, Decode, Debug, Clone, PartialEq)]
 #[cfg_attr(feature = "std", derive(Serialize, Deserialize))]
 pub enum SponsorshipState<AccountId> {
-    /// The fees are applied to the transaction sender
-    Disabled,
-    Unconfirmed(AccountId),
-    /// Transactions are sponsored by specified account
-    Confirmed(AccountId),
+	/// The fees are applied to the transaction sender
+	Disabled,
+	Unconfirmed(AccountId),
+	/// Transactions are sponsored by specified account
+	Confirmed(AccountId),
 }
 
 impl<AccountId> SponsorshipState<AccountId> {
-    pub fn sponsor(&self) -> Option<&AccountId> {
-        match self {
-            Self::Confirmed(sponsor) => Some(sponsor),
-            _ => None,
-        }
-    }
+	pub fn sponsor(&self) -> Option<&AccountId> {
+		match self {
+			Self::Confirmed(sponsor) => Some(sponsor),
+			_ => None,
+		}
+	}
 
-    pub fn pending_sponsor(&self) -> Option<&AccountId> {
-        match self {
-            Self::Unconfirmed(sponsor) | Self::Confirmed(sponsor) => Some(sponsor),
-            _ => None,
-        }
-    }
+	pub fn pending_sponsor(&self) -> Option<&AccountId> {
+		match self {
+			Self::Unconfirmed(sponsor) | Self::Confirmed(sponsor) => Some(sponsor),
+			_ => None,
+		}
+	}
 
-    pub fn confirmed(&self) -> bool {
-        matches!(self, Self::Confirmed(_))
-    }
+	pub fn confirmed(&self) -> bool {
+		matches!(self, Self::Confirmed(_))
+	}
 }
 
 impl<T> Default for SponsorshipState<T> {
-    fn default() -> Self {
-        Self::Disabled
-    }
+	fn default() -> Self {
+		Self::Disabled
+	}
 }
 
 #[derive(Encode, Decode, Clone, PartialEq)]
 #[cfg_attr(feature = "std", derive(Serialize, Deserialize))]
 pub struct Collection<T: frame_system::Config> {
-    pub owner: T::AccountId,
-    pub mode: CollectionMode,
-    pub access: AccessMode,
-    pub decimal_points: DecimalPoints,
-    pub name: Vec<u16>,        // 64 include null escape char
-    pub description: Vec<u16>, // 256 include null escape char
-    pub token_prefix: Vec<u8>, // 16 include null escape char
-    pub mint_mode: bool,
-    pub offchain_schema: Vec<u8>,
-    pub schema_version: SchemaVersion,
-    pub sponsorship: SponsorshipState<T::AccountId>,
-    pub limits: CollectionLimits<T::BlockNumber>, // Collection private restrictions 
-    pub variable_on_chain_schema: Vec<u8>, //
-    pub const_on_chain_schema: Vec<u8>, //
+	pub owner: T::AccountId,
+	pub mode: CollectionMode,
+	pub access: AccessMode,
+	pub decimal_points: DecimalPoints,
+	pub name: Vec<u16>,        // 64 include null escape char
+	pub description: Vec<u16>, // 256 include null escape char
+	pub token_prefix: Vec<u8>, // 16 include null escape char
+	pub mint_mode: bool,
+	pub offchain_schema: Vec<u8>,
+	pub schema_version: SchemaVersion,
+	pub sponsorship: SponsorshipState<T::AccountId>,
+	pub limits: CollectionLimits<T::BlockNumber>, // Collection private restrictions
+	pub variable_on_chain_schema: Vec<u8>,        //
+	pub const_on_chain_schema: Vec<u8>,           //
 }
 
 #[derive(Encode, Decode, Debug, Clone, PartialEq)]
 #[cfg_attr(feature = "std", derive(Serialize, Deserialize))]
 pub struct NftItemType<AccountId> {
-    pub owner: AccountId,
-    pub const_data: Vec<u8>,
-    pub variable_data: Vec<u8>,
+	pub owner: AccountId,
+	pub const_data: Vec<u8>,
+	pub variable_data: Vec<u8>,
 }
 
 #[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]
 #[cfg_attr(feature = "std", derive(Serialize, Deserialize))]
 pub struct FungibleItemType {
-    pub value: u128,
+	pub value: u128,
 }
 
 #[derive(Encode, Decode, Debug, Clone, PartialEq)]
 #[cfg_attr(feature = "std", derive(Serialize, Deserialize))]
 pub struct ReFungibleItemType<AccountId> {
-    pub owner: Vec<Ownership<AccountId>>,
-    pub const_data: Vec<u8>,
-    pub variable_data: Vec<u8>,
+	pub owner: Vec<Ownership<AccountId>>,
+	pub const_data: Vec<u8>,
+	pub variable_data: Vec<u8>,
 }
-
 
 #[derive(Encode, Decode, Debug, Clone, PartialEq)]
 #[cfg_attr(feature = "std", derive(Serialize, Deserialize))]
 pub struct CollectionLimits<BlockNumber: Encode + Decode> {
-    pub account_token_ownership_limit: u32,
-    pub sponsored_data_size: u32,
-    /// None - setVariableMetadata is not sponsored
-    /// Some(v) - setVariableMetadata is sponsored 
-    ///           if there is v block between txs
-    pub sponsored_data_rate_limit: Option<BlockNumber>,
-    pub token_limit: u32,
+	pub account_token_ownership_limit: u32,
+	pub sponsored_data_size: u32,
+	/// None - setVariableMetadata is not sponsored
+	/// Some(v) - setVariableMetadata is sponsored
+	///           if there is v block between txs
+	pub sponsored_data_rate_limit: Option<BlockNumber>,
+	pub token_limit: u32,
 
-    // Timeouts for item types in passed blocks
-    pub sponsor_transfer_timeout: u32,
-    pub owner_can_transfer: bool,
-    pub owner_can_destroy: bool,
+	// Timeouts for item types in passed blocks
+	pub sponsor_transfer_timeout: u32,
+	pub owner_can_transfer: bool,
+	pub owner_can_destroy: bool,
 }
 
 impl<BlockNumber: Encode + Decode> Default for CollectionLimits<BlockNumber> {
-    fn default() -> Self {
-        Self { 
-            account_token_ownership_limit: 10_000_000, 
-            token_limit: u32::max_value(),
-            sponsored_data_size: u32::MAX, 
-            sponsored_data_rate_limit: None,
-            sponsor_transfer_timeout: 14400,
-            owner_can_transfer: true,
-            owner_can_destroy: true
-        }
-    }
+	fn default() -> Self {
+		Self {
+			account_token_ownership_limit: 10_000_000,
+			token_limit: u32::max_value(),
+			sponsored_data_size: u32::MAX,
+			sponsored_data_rate_limit: None,
+			sponsor_transfer_timeout: 14400,
+			owner_can_transfer: true,
+			owner_can_destroy: true,
+		}
+	}
 }
 
 #[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]
 #[cfg_attr(feature = "std", derive(Serialize, Deserialize))]
 pub struct ChainLimits {
-    pub collection_numbers_limit: u32,
-    pub account_token_ownership_limit: u32,
-    pub collections_admins_limit: u64,
-    pub custom_data_limit: u32,
+	pub collection_numbers_limit: u32,
+	pub account_token_ownership_limit: u32,
+	pub collections_admins_limit: u64,
+	pub custom_data_limit: u32,
 
-    // Timeouts for item types in passed blocks
-    pub nft_sponsor_transfer_timeout: u32,
-    pub fungible_sponsor_transfer_timeout: u32,
-    pub refungible_sponsor_transfer_timeout: u32,
+	// Timeouts for item types in passed blocks
+	pub nft_sponsor_transfer_timeout: u32,
+	pub fungible_sponsor_transfer_timeout: u32,
+	pub refungible_sponsor_transfer_timeout: u32,
 
-    // Schema limits
-    pub offchain_schema_limit: u32,
-    pub variable_on_chain_schema_limit: u32,
-    pub const_on_chain_schema_limit: u32,
+	// Schema limits
+	pub offchain_schema_limit: u32,
+	pub variable_on_chain_schema_limit: u32,
+	pub const_on_chain_schema_limit: u32,
 }
 
-
 #[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]
 #[cfg_attr(feature = "std", derive(Serialize, Deserialize))]
 pub struct CreateNftData {
-    pub const_data: Vec<u8>,
-    pub variable_data: Vec<u8>,
+	pub const_data: Vec<u8>,
+	pub variable_data: Vec<u8>,
 }
 
 #[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]
 #[cfg_attr(feature = "std", derive(Serialize, Deserialize))]
 pub struct CreateFungibleData {
-    pub value: u128,
+	pub value: u128,
 }
 
 #[derive(Encode, Decode, Default, Debug, Clone, PartialEq)]
 #[cfg_attr(feature = "std", derive(Serialize, Deserialize))]
 pub struct CreateReFungibleData {
-    pub const_data: Vec<u8>,
-    pub variable_data: Vec<u8>,
-    pub pieces: u128,
+	pub const_data: Vec<u8>,
+	pub variable_data: Vec<u8>,
+	pub pieces: u128,
 }
 
 #[derive(Encode, Decode, Debug, Clone, PartialEq)]
 #[cfg_attr(feature = "std", derive(Serialize, Deserialize))]
 pub enum CreateItemData {
-    NFT(CreateNftData),
-    Fungible(CreateFungibleData),
-    ReFungible(CreateReFungibleData),
+	NFT(CreateNftData),
+	Fungible(CreateFungibleData),
+	ReFungible(CreateReFungibleData),
 }
 
 impl CreateItemData {
-    pub fn len(&self) -> usize {
-        let len = match self {
-            CreateItemData::NFT(data) => data.variable_data.len() + data.const_data.len(),
-            CreateItemData::ReFungible(data) => data.variable_data.len() + data.const_data.len(),
-            _ => 0
-        };
-        
-        return len;
-    }
+	pub fn data_size(&self) -> usize {
+		match self {
+			CreateItemData::NFT(data) => data.variable_data.len() + data.const_data.len(),
+			CreateItemData::ReFungible(data) => data.variable_data.len() + data.const_data.len(),
+			_ => 0,
+		}
+	}
 }
 
 impl From<CreateNftData> for CreateItemData {
-    fn from(item: CreateNftData) -> Self {
-        CreateItemData::NFT(item)
-    }
+	fn from(item: CreateNftData) -> Self {
+		CreateItemData::NFT(item)
+	}
 }
 
 impl From<CreateReFungibleData> for CreateItemData {
-    fn from(item: CreateReFungibleData) -> Self {
-        CreateItemData::ReFungible(item)
-    }
+	fn from(item: CreateReFungibleData) -> Self {
+		CreateItemData::ReFungible(item)
+	}
 }
 
 impl From<CreateFungibleData> for CreateItemData {
-    fn from(item: CreateFungibleData) -> Self {
-        CreateItemData::Fungible(item)
-    }
+	fn from(item: CreateFungibleData) -> Self {
+		CreateItemData::Fungible(item)
+	}
 }
modifiedruntime/Cargo.tomldiffbeforeafterboth
--- a/runtime/Cargo.toml
+++ b/runtime/Cargo.toml
@@ -95,38 +95,38 @@
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
 optional = true
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.frame-executive]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.frame-support]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.frame-system]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.frame-system-benchmarking]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
 optional = true
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.frame-system-rpc-runtime-api]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.hex-literal]
@@ -142,152 +142,152 @@
 [dependencies.pallet-aura]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.pallet-balances]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 # Contracts specific packages
 [dependencies.pallet-contracts]
 git = 'https://github.com/paritytech/substrate.git'
 default-features = false
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.pallet-contracts-primitives]
 git = 'https://github.com/paritytech/substrate.git'
 default-features = false
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.pallet-contracts-rpc-runtime-api]
 git = 'https://github.com/paritytech/substrate.git'
 default-features = false
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.pallet-randomness-collective-flip]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.pallet-sudo]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.pallet-timestamp]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.pallet-transaction-payment]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.pallet-transaction-payment-rpc-runtime-api]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.pallet-treasury]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.pallet-vesting]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sp-arithmetic]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sp-api]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sp-block-builder]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sp-core]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sp-consensus-aura]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '0.9.0'
 
 [dependencies.sp-inherents]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sp-io]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sp-offchain]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sp-runtime]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sp-session]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sp-std]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sp-transaction-pool]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.sp-version]
 default-features = false
 git = 'https://github.com/paritytech/substrate.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '3.0.0'
 
 [dependencies.smallvec]
@@ -299,42 +299,47 @@
 [dependencies.parachain-info]
 default-features = false
 git = 'https://github.com/paritytech/cumulus.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 version = '0.1.0'
 
 [dependencies.cumulus-pallet-aura-ext]
 git = 'https://github.com/paritytech/cumulus.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 default-features = false
 
 [dependencies.cumulus-pallet-parachain-system]
 git = 'https://github.com/paritytech/cumulus.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 default-features = false
 
 [dependencies.cumulus-primitives-core]
 git = 'https://github.com/paritytech/cumulus.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 default-features = false
 
 [dependencies.cumulus-pallet-xcm]
 git = 'https://github.com/paritytech/cumulus.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 default-features = false
 
 [dependencies.cumulus-pallet-dmp-queue]
 git = 'https://github.com/paritytech/cumulus.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 default-features = false
 
 [dependencies.cumulus-pallet-xcmp-queue]
 git = 'https://github.com/paritytech/cumulus.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
 default-features = false
 
 [dependencies.cumulus-primitives-utility]
 git = 'https://github.com/paritytech/cumulus.git'
-branch = 'polkadot-v0.9.3'
+branch = 'polkadot-v0.9.7'
+default-features = false
+
+[dependencies.cumulus-primitives-timestamp]
+git = 'https://github.com/paritytech/cumulus.git'
+branch = 'polkadot-v0.9.7'
 default-features = false
 
 ################################################################################
@@ -342,27 +347,27 @@
 
 [dependencies.polkadot-parachain]
 git = 'https://github.com/paritytech/polkadot'
-branch = 'release-v0.9.3'
+branch = 'release-v0.9.7'
 default-features = false
 
 [dependencies.xcm]
 git = 'https://github.com/paritytech/polkadot'
-branch = 'release-v0.9.3'
+branch = 'release-v0.9.7'
 default-features = false
 
 [dependencies.xcm-builder]
 git = 'https://github.com/paritytech/polkadot'
-branch = 'release-v0.9.3'
+branch = 'release-v0.9.7'
 default-features = false
 
 [dependencies.xcm-executor]
 git = 'https://github.com/paritytech/polkadot'
-branch = 'release-v0.9.3'
+branch = 'release-v0.9.7'
 default-features = false
 
 [dependencies.pallet-xcm]
 git = 'https://github.com/paritytech/polkadot'
-branch = 'release-v0.9.3'
+branch = 'release-v0.9.7'
 default-features = false
 
 
@@ -379,8 +384,8 @@
 pallet-nft-transaction-payment = { path = '../pallets/nft-transaction-payment', default-features = false, version = '3.0.0' }
 pallet-nft-charge-transaction = { path = '../pallets/nft-charge-transaction', default-features = false, version = '3.0.0' }
 
-pallet-evm = { default-features = false, version = "4.0.0-dev", git = "https://github.com/usetech-llc/frontier.git", branch = "injected-transactions-parachain" }
-pallet-ethereum = { default-features = false, version = "2.0.0-dev", git = "https://github.com/usetech-llc/frontier.git", branch = "injected-transactions-parachain" }
+pallet-evm = { default-features = false, version = "5.0.0-dev", git = "https://github.com/usetech-llc/frontier.git", branch = "injected-transactions-parachain" }
+pallet-ethereum = { default-features = false, version = "3.0.0-dev", git = "https://github.com/usetech-llc/frontier.git", branch = "injected-transactions-parachain" }
 fp-rpc = { default-features = false, version = "2.0.0", git = "https://github.com/usetech-llc/frontier.git", branch = "injected-transactions-parachain" }
 
 ################################################################################
modifiedruntime/build.rsdiffbeforeafterboth
--- a/runtime/build.rs
+++ b/runtime/build.rs
@@ -1,9 +1,9 @@
 use substrate_wasm_builder::WasmBuilder;
 
 fn main() {
-    WasmBuilder::new()
-        .with_current_project()
-        .import_memory()
-        .export_heap_base()
-        .build()
-}
\ No newline at end of file
+	WasmBuilder::new()
+		.with_current_project()
+		.import_memory()
+		.export_heap_base()
+		.build()
+}
modifiedruntime/src/chain_extension.rsdiffbeforeafterboth
--- a/runtime/src/chain_extension.rs
+++ b/runtime/src/chain_extension.rs
@@ -9,7 +9,7 @@
 
 pub use pallet_contracts::chain_extension::RetVal;
 use pallet_contracts::chain_extension::{
-    ChainExtension, Environment, Ext, InitState, SysConfig, UncheckedFrom,
+	ChainExtension, Environment, Ext, InitState, SysConfig, UncheckedFrom,
 };
 
 pub use frame_support::debug;
@@ -25,56 +25,56 @@
 /// Create item parameters
 #[derive(Debug, PartialEq, Encode, Decode)]
 pub struct NFTExtCreateItem<E: Ext> {
-    pub owner: <E::T as SysConfig>::AccountId,
-    pub collection_id: u32,
-    pub data: CreateItemData,
+	pub owner: <E::T as SysConfig>::AccountId,
+	pub collection_id: u32,
+	pub data: CreateItemData,
 }
 
 /// Transfer parameters
 #[derive(Debug, PartialEq, Encode, Decode)]
 pub struct NFTExtTransfer<E: Ext> {
-    pub recipient: <E::T as SysConfig>::AccountId,
-    pub collection_id: u32,
-    pub token_id: u32,
-    pub amount: u128,
+	pub recipient: <E::T as SysConfig>::AccountId,
+	pub collection_id: u32,
+	pub token_id: u32,
+	pub amount: u128,
 }
 
 #[derive(Debug, PartialEq, Encode, Decode)]
 pub struct NFTExtCreateMultipleItems<E: Ext> {
-    pub owner: <E::T as SysConfig>::AccountId,
-    pub collection_id: u32,
-    pub data: Vec<CreateItemData>,
+	pub owner: <E::T as SysConfig>::AccountId,
+	pub collection_id: u32,
+	pub data: Vec<CreateItemData>,
 }
 
 #[derive(Debug, PartialEq, Encode, Decode)]
 pub struct NFTExtApprove<E: Ext> {
-    pub spender: <E::T as SysConfig>::AccountId,
-    pub collection_id: u32,
-    pub item_id: u32,
-    pub amount: u128,
+	pub spender: <E::T as SysConfig>::AccountId,
+	pub collection_id: u32,
+	pub item_id: u32,
+	pub amount: u128,
 }
 
 #[derive(Debug, PartialEq, Encode, Decode)]
 pub struct NFTExtTransferFrom<E: Ext> {
-    pub owner: <E::T as SysConfig>::AccountId,
-    pub recipient: <E::T as SysConfig>::AccountId,
-    pub collection_id: u32,
-    pub item_id: u32,
-    pub amount: u128,
+	pub owner: <E::T as SysConfig>::AccountId,
+	pub recipient: <E::T as SysConfig>::AccountId,
+	pub collection_id: u32,
+	pub item_id: u32,
+	pub amount: u128,
 }
 
 #[derive(Debug, PartialEq, Encode, Decode)]
 pub struct NFTExtSetVariableMetaData {
-    pub collection_id: u32,
-    pub item_id: u32,
-    pub data: Vec<u8>,   
+	pub collection_id: u32,
+	pub item_id: u32,
+	pub data: Vec<u8>,
 }
 
 #[derive(Debug, PartialEq, Encode, Decode)]
 pub struct NFTExtToggleWhiteList<E: Ext> {
-    pub collection_id: u32,
-    pub address: <E::T as SysConfig>::AccountId,
-    pub whitelisted: bool,
+	pub collection_id: u32,
+	pub address: <E::T as SysConfig>::AccountId,
+	pub whitelisted: bool,
 }
 
 /// The chain Extension of NFT pallet
@@ -83,150 +83,146 @@
 pub type NftWeightInfoOf<C> = <C as pallet_nft::Config>::WeightInfo;
 
 impl<C: Config + pallet_contracts::Config> ChainExtension<C> for NFTExtension {
-    fn call<E: Ext>(func_id: u32, env: Environment<E, InitState>) -> Result<RetVal, DispatchError>
-    where
-        E: Ext<T = C>,
-        C: pallet_nft::Config,
-        <E::T as SysConfig>::AccountId: UncheckedFrom<<E::T as SysConfig>::Hash> + AsRef<[u8]>,
-    {
-        // The memory of the vm stores buf in scale-codec
-        match func_id {
-            0 => {
-                let mut env = env.buf_in_buf_out();
-                let input: NFTExtTransfer<E> = env.read_as()?;
-                env.charge_weight(NftWeightInfoOf::<C>::transfer())?;
+	fn call<E: Ext>(func_id: u32, env: Environment<E, InitState>) -> Result<RetVal, DispatchError>
+	where
+		E: Ext<T = C>,
+		C: pallet_nft::Config,
+		<E::T as SysConfig>::AccountId: UncheckedFrom<<E::T as SysConfig>::Hash> + AsRef<[u8]>,
+	{
+		// The memory of the vm stores buf in scale-codec
+		match func_id {
+			0 => {
+				let mut env = env.buf_in_buf_out();
+				let input: NFTExtTransfer<E> = env.read_as()?;
+				env.charge_weight(NftWeightInfoOf::<C>::transfer())?;
 
-                let collection = pallet_nft::Module::<C>::get_collection(input.collection_id)?;
+				let collection = pallet_nft::Module::<C>::get_collection(input.collection_id)?;
 
-                pallet_nft::Module::<C>::transfer_internal(
-                    &C::CrossAccountId::from_sub(env.ext().address().clone()),
-                    &C::CrossAccountId::from_sub(input.recipient),
-                    &collection,
-                    input.token_id,
-                    input.amount,
-                )?;
+				pallet_nft::Module::<C>::transfer_internal(
+					&C::CrossAccountId::from_sub(env.ext().address().clone()),
+					&C::CrossAccountId::from_sub(input.recipient),
+					&collection,
+					input.token_id,
+					input.amount,
+				)?;
 
-                pallet_nft::Module::<C>::submit_logs(collection)?;
-                Ok(RetVal::Converging(0))
-            },
-            1 => {
-                // Create Item
-                let mut env = env.buf_in_buf_out();
-                let input: NFTExtCreateItem<E> = env.read_as()?;
-                env.charge_weight(NftWeightInfoOf::<C>::create_item(input.data.len()))?;
+				pallet_nft::Module::<C>::submit_logs(collection)?;
+				Ok(RetVal::Converging(0))
+			}
+			1 => {
+				// Create Item
+				let mut env = env.buf_in_buf_out();
+				let input: NFTExtCreateItem<E> = env.read_as()?;
+				env.charge_weight(NftWeightInfoOf::<C>::create_item(input.data.data_size()))?;
 
-                let collection = pallet_nft::Module::<C>::get_collection(input.collection_id)?;
+				let collection = pallet_nft::Module::<C>::get_collection(input.collection_id)?;
 
-                pallet_nft::Module::<C>::create_item_internal(
-                    &C::CrossAccountId::from_sub(env.ext().address().clone()),
-                    &collection,
-                    &C::CrossAccountId::from_sub(input.owner),
-                    input.data,
-                )?;
+				pallet_nft::Module::<C>::create_item_internal(
+					&C::CrossAccountId::from_sub(env.ext().address().clone()),
+					&collection,
+					&C::CrossAccountId::from_sub(input.owner),
+					input.data,
+				)?;
 
-                pallet_nft::Module::<C>::submit_logs(collection)?;
-                Ok(RetVal::Converging(0))
-            },
-            2 => {
-                // Create multiple items
-                let mut env = env.buf_in_buf_out();
-                let input: NFTExtCreateMultipleItems<E> = env.read_as()?;
-                env.charge_weight(NftWeightInfoOf::<C>::create_item(
-                    input.data.iter()
-                        .map(|i| i.len())
-                        .sum()
-                ))?;
+				pallet_nft::Module::<C>::submit_logs(collection)?;
+				Ok(RetVal::Converging(0))
+			}
+			2 => {
+				// Create multiple items
+				let mut env = env.buf_in_buf_out();
+				let input: NFTExtCreateMultipleItems<E> = env.read_as()?;
+				env.charge_weight(NftWeightInfoOf::<C>::create_item(
+					input.data.iter().map(|i| i.data_size()).sum(),
+				))?;
 
-                let collection = pallet_nft::Module::<C>::get_collection(input.collection_id)?;
+				let collection = pallet_nft::Module::<C>::get_collection(input.collection_id)?;
 
-                pallet_nft::Module::<C>::create_multiple_items_internal(
-                    &C::CrossAccountId::from_sub(env.ext().address().clone()),
-                    &collection,
-                    &C::CrossAccountId::from_sub(input.owner),
-                    input.data,
-                )?;
+				pallet_nft::Module::<C>::create_multiple_items_internal(
+					&C::CrossAccountId::from_sub(env.ext().address().clone()),
+					&collection,
+					&C::CrossAccountId::from_sub(input.owner),
+					input.data,
+				)?;
 
-                pallet_nft::Module::<C>::submit_logs(collection)?;
-                Ok(RetVal::Converging(0))
-            },
-            3 => {
-                // Approve
-                let mut env = env.buf_in_buf_out();
-                let input: NFTExtApprove<E> = env.read_as()?;
-                env.charge_weight(NftWeightInfoOf::<C>::approve())?;
+				pallet_nft::Module::<C>::submit_logs(collection)?;
+				Ok(RetVal::Converging(0))
+			}
+			3 => {
+				// Approve
+				let mut env = env.buf_in_buf_out();
+				let input: NFTExtApprove<E> = env.read_as()?;
+				env.charge_weight(NftWeightInfoOf::<C>::approve())?;
 
-                let collection = pallet_nft::Module::<C>::get_collection(input.collection_id)?;
+				let collection = pallet_nft::Module::<C>::get_collection(input.collection_id)?;
 
-                pallet_nft::Module::<C>::approve_internal(
-                    &C::CrossAccountId::from_sub(env.ext().address().clone()),
-                    &C::CrossAccountId::from_sub(input.spender),
-                    &collection,
-                    input.item_id,
-                    input.amount,
-                )?;
+				pallet_nft::Module::<C>::approve_internal(
+					&C::CrossAccountId::from_sub(env.ext().address().clone()),
+					&C::CrossAccountId::from_sub(input.spender),
+					&collection,
+					input.item_id,
+					input.amount,
+				)?;
 
-                pallet_nft::Module::<C>::submit_logs(collection)?;
-                Ok(RetVal::Converging(0))
-            },
-            4 => {
-                // Transfer from
-                let mut env = env.buf_in_buf_out();
-                let input: NFTExtTransferFrom<E> = env.read_as()?;
-                env.charge_weight(NftWeightInfoOf::<C>::transfer_from())?;
+				pallet_nft::Module::<C>::submit_logs(collection)?;
+				Ok(RetVal::Converging(0))
+			}
+			4 => {
+				// Transfer from
+				let mut env = env.buf_in_buf_out();
+				let input: NFTExtTransferFrom<E> = env.read_as()?;
+				env.charge_weight(NftWeightInfoOf::<C>::transfer_from())?;
 
-                let collection = pallet_nft::Module::<C>::get_collection(input.collection_id)?;
+				let collection = pallet_nft::Module::<C>::get_collection(input.collection_id)?;
 
-                pallet_nft::Module::<C>::transfer_from_internal(
-                    &C::CrossAccountId::from_sub(env.ext().address().clone()),
-                    &C::CrossAccountId::from_sub(input.owner),
-                    &C::CrossAccountId::from_sub(input.recipient),
-                    &collection,
-                    input.item_id,
-                    input.amount
-                )?;
+				pallet_nft::Module::<C>::transfer_from_internal(
+					&C::CrossAccountId::from_sub(env.ext().address().clone()),
+					&C::CrossAccountId::from_sub(input.owner),
+					&C::CrossAccountId::from_sub(input.recipient),
+					&collection,
+					input.item_id,
+					input.amount,
+				)?;
 
-                pallet_nft::Module::<C>::submit_logs(collection)?;
-                Ok(RetVal::Converging(0))
-            },
-            5 => {
-                // Set variable metadata
-                let mut env = env.buf_in_buf_out();
-                let input: NFTExtSetVariableMetaData = env.read_as()?;
-                env.charge_weight(NftWeightInfoOf::<C>::set_variable_meta_data())?;
+				pallet_nft::Module::<C>::submit_logs(collection)?;
+				Ok(RetVal::Converging(0))
+			}
+			5 => {
+				// Set variable metadata
+				let mut env = env.buf_in_buf_out();
+				let input: NFTExtSetVariableMetaData = env.read_as()?;
+				env.charge_weight(NftWeightInfoOf::<C>::set_variable_meta_data())?;
 
-                let collection = pallet_nft::Module::<C>::get_collection(input.collection_id)?;
+				let collection = pallet_nft::Module::<C>::get_collection(input.collection_id)?;
 
-                pallet_nft::Module::<C>::set_variable_meta_data_internal(
-                    &C::CrossAccountId::from_sub(env.ext().address().clone()),
-                    &collection,
-                    input.item_id,
-                    input.data,
-                )?;
+				pallet_nft::Module::<C>::set_variable_meta_data_internal(
+					&C::CrossAccountId::from_sub(env.ext().address().clone()),
+					&collection,
+					input.item_id,
+					input.data,
+				)?;
 
-                pallet_nft::Module::<C>::submit_logs(collection)?;
-                Ok(RetVal::Converging(0))
-            },
-            6 => {
-                // Toggle whitelist
-                let mut env = env.buf_in_buf_out();
-                let input: NFTExtToggleWhiteList<E> = env.read_as()?;
-                env.charge_weight(NftWeightInfoOf::<C>::add_to_white_list())?;
+				pallet_nft::Module::<C>::submit_logs(collection)?;
+				Ok(RetVal::Converging(0))
+			}
+			6 => {
+				// Toggle whitelist
+				let mut env = env.buf_in_buf_out();
+				let input: NFTExtToggleWhiteList<E> = env.read_as()?;
+				env.charge_weight(NftWeightInfoOf::<C>::add_to_white_list())?;
 
-                let collection = pallet_nft::Module::<C>::get_collection(input.collection_id)?;
+				let collection = pallet_nft::Module::<C>::get_collection(input.collection_id)?;
 
-                pallet_nft::Module::<C>::toggle_white_list_internal(
-                    &C::CrossAccountId::from_sub(env.ext().address().clone()),
-                    &collection,
-                    &C::CrossAccountId::from_sub(input.address),
-                    input.whitelisted,
-                )?;
+				pallet_nft::Module::<C>::toggle_white_list_internal(
+					&C::CrossAccountId::from_sub(env.ext().address().clone()),
+					&collection,
+					&C::CrossAccountId::from_sub(input.address),
+					input.whitelisted,
+				)?;
 
-                pallet_nft::Module::<C>::submit_logs(collection)?;
-                Ok(RetVal::Converging(0))
-            }
-            _ => {
-                Err(DispatchError::Other("unknown chain_extension func_id"))
-            }
-        }
-    }
+				pallet_nft::Module::<C>::submit_logs(collection)?;
+				Ok(RetVal::Converging(0))
+			}
+			_ => Err(DispatchError::Other("unknown chain_extension func_id")),
+		}
+	}
 }
modifiedruntime/src/lib.rsdiffbeforeafterboth
--- a/runtime/src/lib.rs
+++ b/runtime/src/lib.rs
@@ -8,25 +8,25 @@
 #![cfg_attr(not(feature = "std"), no_std)]
 // `construct_runtime!` does a lot of recursion and requires us to increase the limit to 256.
 #![recursion_limit = "1024"]
-
+#![allow(clippy::from_over_into, clippy::identity_op)]
+#![allow(clippy::fn_to_numeric_cast_with_truncation)]
 // Make the WASM binary available.
 #[cfg(feature = "std")]
 include!(concat!(env!("OUT_DIR"), "/wasm_binary.rs"));
 
 use sp_api::impl_runtime_apis;
-use sp_core::{ crypto::KeyTypeId, OpaqueMetadata, H256, U256, H160 };
+use sp_core::{crypto::KeyTypeId, OpaqueMetadata, H256, U256, H160};
 // #[cfg(any(feature = "std", test))]
 // pub use sp_runtime::BuildStorage;
 
 use sp_runtime::{
-    Permill, Perbill, Percent,
-    create_runtime_str, generic, impl_opaque_keys,
-    traits::{
-        AccountIdLookup, ConvertInto, BlakeTwo256, Block as BlockT, IdentifyAccount, 
-		Verify, AccountIdConversion,
-    },
-    transaction_validity::{TransactionSource, TransactionValidity},
-    ApplyExtrinsicResult, MultiSignature,
+	Permill, Perbill, Percent, create_runtime_str, generic, impl_opaque_keys,
+	traits::{
+		AccountIdLookup, ConvertInto, BlakeTwo256, Block as BlockT, IdentifyAccount, Verify,
+		AccountIdConversion,
+	},
+	transaction_validity::{TransactionSource, TransactionValidity},
+	ApplyExtrinsicResult, MultiSignature,
 };
 
 use sp_std::prelude::*;
@@ -34,48 +34,45 @@
 #[cfg(feature = "std")]
 use sp_version::NativeVersion;
 use sp_version::RuntimeVersion;
-pub use pallet_transaction_payment::{Multiplier, TargetedFeeAdjustment, FeeDetails, RuntimeDispatchInfo};
+pub use pallet_transaction_payment::{
+	Multiplier, TargetedFeeAdjustment, FeeDetails, RuntimeDispatchInfo,
+};
 // A few exports that help ease life for downstream crates.
 pub use pallet_balances::Call as BalancesCall;
 pub use pallet_evm::{EnsureAddressTruncated, HashedAddressMapping, Runner};
 pub use frame_support::{
-    construct_runtime,
-	match_type,
-    dispatch::DispatchResult,
-	PalletId,
-    parameter_types,
-    StorageValue,
-	ConsensusEngineId,
-    traits::{
-        All, Currency, ExistenceRequirement, Get, IsInVec, KeyOwnerProofSystem, LockIdentifier, OnUnbalanced, Randomness, FindAuthor
-    },
-    weights::{
-        constants::{BlockExecutionWeight, ExtrinsicBaseWeight, RocksDbWeight, WEIGHT_PER_SECOND},
-        DispatchClass, DispatchInfo, GetDispatchInfo, IdentityFee, Pays, PostDispatchInfo, Weight,
-        WeightToFeePolynomial, WeightToFeeCoefficient, WeightToFeeCoefficients
-    },
+	construct_runtime, match_type,
+	dispatch::DispatchResult,
+	PalletId, parameter_types, StorageValue, ConsensusEngineId,
+	traits::{
+		All, Currency, ExistenceRequirement, Get, IsInVec, KeyOwnerProofSystem, LockIdentifier,
+		OnUnbalanced, Randomness, FindAuthor,
+	},
+	weights::{
+		constants::{BlockExecutionWeight, ExtrinsicBaseWeight, RocksDbWeight, WEIGHT_PER_SECOND},
+		DispatchClass, DispatchInfo, GetDispatchInfo, IdentityFee, Pays, PostDispatchInfo, Weight,
+		WeightToFeePolynomial, WeightToFeeCoefficient, WeightToFeeCoefficients,
+	},
 };
 use nft_data_structs::*;
 use pallet_contracts::weights::WeightInfo;
 // #[cfg(any(feature = "std", test))]
 use frame_system::{
-    self as system,
-    EnsureRoot, EnsureSigned,
+	self as system, EnsureRoot, EnsureSigned,
 	limits::{BlockWeights, BlockLength},
 };
-use sp_arithmetic::{traits::{BaseArithmetic, Unsigned}};
+use sp_arithmetic::{
+	traits::{BaseArithmetic, Unsigned},
+};
 use smallvec::smallvec;
 use codec::{Encode, Decode};
 use pallet_evm::{Account as EVMAccount, FeeCalculator, OnMethodCall};
 use fp_rpc::TransactionStatus;
 use sp_core::crypto::Public;
 use sp_runtime::{
-	traits::{ 
-		Dispatchable,
-	},
+	traits::{Dispatchable},
 };
 use pallet_contracts::chain_extension::UncheckedFrom;
-
 
 pub use pallet_timestamp::Call as TimestampCall;
 pub use sp_consensus_aura::sr25519::AuthorityId as AuraId;
@@ -94,9 +91,8 @@
 };
 use xcm_executor::{Config, XcmExecutor};
 
-
 mod chain_extension;
-use crate::chain_extension::{ NFTExtension, Imbalance };
+use crate::chain_extension::{NFTExtension, Imbalance};
 
 /// Re-export a nft pallet
 /// TODO: Check this re-export. Is this safe and good style?
@@ -144,16 +140,16 @@
 
 	pub use sp_runtime::OpaqueExtrinsic as UncheckedExtrinsic;
 
-    /// Opaque block type.
-    pub type Block = generic::Block<Header, UncheckedExtrinsic>;
+	/// Opaque block type.
+	pub type Block = generic::Block<Header, UncheckedExtrinsic>;
 
-    pub type SessionHandlers = ();
+	pub type SessionHandlers = ();
 
 	impl_opaque_keys! {
-        pub struct SessionKeys {
+		pub struct SessionKeys {
 			pub aura: Aura,
 		}
-    }
+	}
 }
 
 /// This runtime version.
@@ -178,8 +174,8 @@
 
 #[derive(codec::Encode, codec::Decode)]
 pub enum XCMPMessage<XAccountId, XBalance> {
-    /// Transfer tokens to the given account from the Parachain account.
-    TransferToken(XAccountId, XBalance),
+	/// Transfer tokens to the given account from the Parachain account.
+	TransferToken(XAccountId, XBalance),
 }
 
 /// The version information used to identify this runtime when compiled natively.
@@ -195,7 +191,7 @@
 
 pub struct DealWithFees;
 impl OnUnbalanced<NegativeImbalance> for DealWithFees {
-	fn on_unbalanceds<B>(mut fees_then_tips: impl Iterator<Item=NegativeImbalance>) {
+	fn on_unbalanceds<B>(mut fees_then_tips: impl Iterator<Item = NegativeImbalance>) {
 		if let Some(fees) = fees_then_tips.next() {
 			// for fees, 100% to treasury
 			let mut split = fees.ration(100, 0);
@@ -245,7 +241,6 @@
 	pub const Version: RuntimeVersion = VERSION;
 	pub const SS58Prefix: u8 = 42;
 }
-
 
 parameter_types! {
 	pub const ChainId: u64 = 8888;
@@ -255,6 +250,7 @@
 	type BlockGasLimit = BlockGasLimit;
 	type FeeCalculator = ();
 	type GasWeightMapping = ();
+	type BlockHashMapping = pallet_ethereum::EthereumBlockHashMapping;
 	type CallOrigin = EnsureAddressTruncated;
 	type WithdrawOrigin = EnsureAddressTruncated;
 	type AddressMapping = HashedAddressMapping<Self::Hashing>;
@@ -268,10 +264,10 @@
 }
 
 pub struct EthereumFindAuthor<F>(core::marker::PhantomData<F>);
-impl<F: FindAuthor<u32>> FindAuthor<H160> for EthereumFindAuthor<F>
-{
-	fn find_author<'a, I>(digests: I) -> Option<H160> where
-		I: 'a + IntoIterator<Item=(ConsensusEngineId, &'a [u8])>
+impl<F: FindAuthor<u32>> FindAuthor<H160> for EthereumFindAuthor<F> {
+	fn find_author<'a, I>(digests: I) -> Option<H160>
+	where
+		I: 'a + IntoIterator<Item = (ConsensusEngineId, &'a [u8])>,
 	{
 		if let Some(author_index) = F::find_author(digests) {
 			let authority_id = Aura::authorities()[author_index as usize].clone();
@@ -292,52 +288,54 @@
 	type EvmSubmitLog = pallet_evm::Pallet<Runtime>;
 }
 
+impl pallet_randomness_collective_flip::Config for Runtime {}
+
 impl system::Config for Runtime {
-    /// The data to be stored in an account.
-    type AccountData = pallet_balances::AccountData<Balance>;
-    /// The identifier used to distinguish between accounts.
-    type AccountId = AccountId;
-    /// The basic call filter to use in dispatchable.
-    type BaseCallFilter = ();
-    /// Maximum number of block number to block hash mappings to keep (oldest pruned first).
-    type BlockHashCount = BlockHashCount;
-    /// The maximum length of a block (in bytes).
+	/// The data to be stored in an account.
+	type AccountData = pallet_balances::AccountData<Balance>;
+	/// The identifier used to distinguish between accounts.
+	type AccountId = AccountId;
+	/// The basic call filter to use in dispatchable.
+	type BaseCallFilter = ();
+	/// Maximum number of block number to block hash mappings to keep (oldest pruned first).
+	type BlockHashCount = BlockHashCount;
+	/// The maximum length of a block (in bytes).
 	type BlockLength = RuntimeBlockLength;
-    /// The index type for blocks.
-    type BlockNumber = BlockNumber;
-    /// The weight of the overhead invoked on the block import process, independent of the extrinsics included in that block.
+	/// The index type for blocks.
+	type BlockNumber = BlockNumber;
+	/// The weight of the overhead invoked on the block import process, independent of the extrinsics included in that block.
 	type BlockWeights = RuntimeBlockWeights;
-    /// The aggregated dispatch type that is available for extrinsics.
-    type Call = Call;
-    /// The weight of database operations that the runtime can invoke.
-    type DbWeight = RocksDbWeight;
-    /// The ubiquitous event type.
-    type Event = Event;
-    /// The type for hashing blocks and tries.
-    type Hash = Hash;
+	/// The aggregated dispatch type that is available for extrinsics.
+	type Call = Call;
+	/// The weight of database operations that the runtime can invoke.
+	type DbWeight = RocksDbWeight;
+	/// The ubiquitous event type.
+	type Event = Event;
+	/// The type for hashing blocks and tries.
+	type Hash = Hash;
 	/// The hashing algorithm used.
-    type Hashing = BlakeTwo256;
-    /// The header type.
-    type Header = generic::Header<BlockNumber, BlakeTwo256>;
-    /// The index type for storing how many extrinsics an account has signed.
-    type Index = Index;
-    /// The lookup mechanism to get account ID from whatever is passed in dispatchers.
-    type Lookup = AccountIdLookup<AccountId, ()>;
-    /// What to do if an account is fully reaped from the system.
-    type OnKilledAccount = ();
-    /// What to do if a new account is created.
-    type OnNewAccount = ();
-    type OnSetCode = cumulus_pallet_parachain_system::ParachainSetCode<Self>;
-    /// The ubiquitous origin type.
-    type Origin = Origin;
- 	/// This type is being generated by `construct_runtime!`.
-    type PalletInfo = PalletInfo;
-    /// This is used as an identifier of the chain. 42 is the generic substrate prefix.
+	type Hashing = BlakeTwo256;
+	/// The header type.
+	type Header = generic::Header<BlockNumber, BlakeTwo256>;
+	/// The index type for storing how many extrinsics an account has signed.
+	type Index = Index;
+	/// The lookup mechanism to get account ID from whatever is passed in dispatchers.
+	type Lookup = AccountIdLookup<AccountId, ()>;
+	/// What to do if an account is fully reaped from the system.
+	type OnKilledAccount = ();
+	/// What to do if a new account is created.
+	type OnNewAccount = ();
+	type OnSetCode = cumulus_pallet_parachain_system::ParachainSetCode<Self>;
+	/// The ubiquitous origin type.
+	type Origin = Origin;
+	/// This type is being generated by `construct_runtime!`.
+	type PalletInfo = PalletInfo;
+	/// This is used as an identifier of the chain. 42 is the generic substrate prefix.
 	type SS58Prefix = SS58Prefix;
 	/// Weight information for the extrinsics of this pallet.
-    type SystemWeightInfo = system::weights::SubstrateWeight<Runtime>;
-    /// Version of the runtime.
-    type Version = Version;
+	type SystemWeightInfo = system::weights::SubstrateWeight<Runtime>;
+	/// Version of the runtime.
+	type Version = Version;
 }
 
 parameter_types! {
@@ -360,6 +358,8 @@
 
 impl pallet_balances::Config for Runtime {
 	type MaxLocks = MaxLocks;
+	type MaxReserves = ();
+	type ReserveIdentifier = [u8; 8];
 	/// The type for recording an account's balance.
 	type Balance = Balance;
 	/// The ubiquitous event type.
@@ -373,7 +373,7 @@
 pub const MICROUNIQUE: Balance = 1_000_000_000;
 pub const MILLIUNIQUE: Balance = 1_000 * MICROUNIQUE;
 pub const CENTIUNIQUE: Balance = 10 * MILLIUNIQUE;
-pub const UNIQUE: Balance      = 100 * CENTIUNIQUE;
+pub const UNIQUE: Balance = 100 * CENTIUNIQUE;
 
 pub const fn deposit(items: u32, bytes: u32) -> Balance {
 	items as Balance * 15 * CENTIUNIQUE + (bytes as Balance) * 6 * CENTIUNIQUE
@@ -437,8 +437,9 @@
 /// Linear implementor of `WeightToFeePolynomial`
 pub struct LinearFee<T>(sp_std::marker::PhantomData<T>);
 
-impl<T> WeightToFeePolynomial for LinearFee<T> where
-	T: BaseArithmetic + From<u32> + Copy + Unsigned
+impl<T> WeightToFeePolynomial for LinearFee<T>
+where
+	T: BaseArithmetic + From<u32> + Copy + Unsigned,
 {
 	type Balance = T;
 
@@ -622,12 +623,12 @@
 	type AssetTransactor = LocalAssetTransactor;
 	type OriginConverter = XcmOriginToTransactDispatchOrigin;
 	type IsReserve = NativeAsset;
-	type IsTeleporter = NativeAsset;	// <- should be enough to allow teleportation of ROC
+	type IsTeleporter = NativeAsset; // <- should be enough to allow teleportation of ROC
 	type LocationInverter = LocationInverter<Ancestry>;
 	type Barrier = Barrier;
 	type Weigher = FixedWeightBounds<UnitWeightCost, Call>;
 	type Trader = UsingComponents<IdentityFee<Balance>, RelayLocation, AccountId, Balances, ()>;
-	type ResponseHandler = ();	// Don't handle responses for now.
+	type ResponseHandler = (); // Don't handle responses for now.
 }
 
 // parameter_types! {
@@ -689,7 +690,6 @@
 	type Event = Event;
 	type WeightInfo = nft_weights::WeightInfo;
 
-	type EvmWithdrawOrigin = EnsureAddressTruncated;
 	type EvmBackwardsAddressMapping = pallet_nft::MapBackwardsAddressTruncated;
 	type EvmAddressMapping = HashedAddressMapping<Self::Hashing>;
 	type CrossAccountId = pallet_nft::BasicCrossAccountId<Self>;
@@ -721,14 +721,13 @@
 
 pub struct Sponsoring;
 impl SponsoringResolve<AccountId, Call> for Sponsoring {
-
-	fn resolve(who: &AccountId, call: &Call) -> Option<AccountId> 
-	where 
-		Call: Dispatchable<Info=DispatchInfo>,
-		Call: IsSubType<pallet_nft::Call<Runtime>>, 
+	fn resolve(who: &AccountId, call: &Call) -> Option<AccountId>
+	where
+		Call: Dispatchable<Info = DispatchInfo>,
+		Call: IsSubType<pallet_nft::Call<Runtime>>,
 		Call: IsSubType<pallet_contracts::Call<Runtime>>,
 		AccountId: AsRef<[u8]>,
-		AccountId: UncheckedFrom<Hash>
+		AccountId: UncheckedFrom<Hash>,
 	{
 		pallet_nft_transaction_payment::Module::<Runtime>::withdraw_type(who, call)
 	}
@@ -736,7 +735,7 @@
 
 type SponsorshipHandler = (
 	pallet_nft::NftSponsorshipHandler<Runtime>,
-    pallet_contract_helpers::ContractSponsorshipHandler<Runtime>,
+	pallet_contract_helpers::ContractSponsorshipHandler<Runtime>,
 );
 
 impl pallet_scheduler::Config for Runtime {
@@ -760,20 +759,20 @@
 impl pallet_contract_helpers::Config for Runtime {}
 
 construct_runtime!(
-    pub enum Runtime where
-        Block = Block,
-        NodeBlock = opaque::Block,
-        UncheckedExtrinsic = UncheckedExtrinsic
-    {
+	pub enum Runtime where
+		Block = Block,
+		NodeBlock = opaque::Block,
+		UncheckedExtrinsic = UncheckedExtrinsic
+	{
 		Balances: pallet_balances::{Pallet, Call, Storage, Config<T>, Event<T>} = 30,
 		Contracts: pallet_contracts::{Pallet, Call, Storage, Event<T>},
 		RandomnessCollectiveFlip: pallet_randomness_collective_flip::{Pallet, Call, Storage},
 		Timestamp: pallet_timestamp::{Pallet, Call, Storage, Inherent},
 		TransactionPayment: pallet_transaction_payment::{Pallet, Storage},
-        Treasury: pallet_treasury::{Pallet, Call, Storage, Config, Event<T>},
+		Treasury: pallet_treasury::{Pallet, Call, Storage, Config, Event<T>},
 		Sudo: pallet_sudo::{Pallet, Call, Storage, Config<T>, Event<T>},
 		System: system::{Pallet, Call, Storage, Config, Event<T>},
-        Vesting: pallet_vesting::{Pallet, Call, Config<T>, Storage, Event<T>},
+		Vesting: pallet_vesting::{Pallet, Call, Config<T>, Storage, Event<T>},
 
 		ParachainSystem: cumulus_pallet_parachain_system::{Pallet, Call, Storage, Inherent, Event<T>, ValidateUnsigned} = 20,
 		ParachainInfo: parachain_info::{Pallet, Storage, Config} = 21,
@@ -793,28 +792,36 @@
 
 
 		// Unique Pallets
-        Inflation: pallet_inflation::{Pallet, Call, Storage},
+		Inflation: pallet_inflation::{Pallet, Call, Storage},
 		Nft: pallet_nft::{Pallet, Call, Config<T>, Storage, Event<T>},
 		Scheduler: pallet_scheduler::{Pallet, Call, Storage, Event<T>},
 		NftPayment: pallet_nft_transaction_payment::{Pallet, Call, Storage},
 		Charging: pallet_nft_charge_transaction::{Pallet, Call, Storage },
 		ContractHelpers: pallet_contract_helpers::{Pallet, Call, Storage},
-    }
+	}
 );
 
 pub struct TransactionConverter;
 
 impl fp_rpc::ConvertTransaction<UncheckedExtrinsic> for TransactionConverter {
 	fn convert_transaction(&self, transaction: pallet_ethereum::Transaction) -> UncheckedExtrinsic {
-		UncheckedExtrinsic::new_unsigned(pallet_ethereum::Call::<Runtime>::transact(transaction).into())
+		UncheckedExtrinsic::new_unsigned(
+			pallet_ethereum::Call::<Runtime>::transact(transaction).into(),
+		)
 	}
 }
 
 impl fp_rpc::ConvertTransaction<opaque::UncheckedExtrinsic> for TransactionConverter {
-	fn convert_transaction(&self, transaction: pallet_ethereum::Transaction) -> opaque::UncheckedExtrinsic {
-		let extrinsic = UncheckedExtrinsic::new_unsigned(pallet_ethereum::Call::<Runtime>::transact(transaction).into());
+	fn convert_transaction(
+		&self,
+		transaction: pallet_ethereum::Transaction,
+	) -> opaque::UncheckedExtrinsic {
+		let extrinsic = UncheckedExtrinsic::new_unsigned(
+			pallet_ethereum::Call::<Runtime>::transact(transaction).into(),
+		);
 		let encoded = extrinsic.encode();
-		opaque::UncheckedExtrinsic::decode(&mut &encoded[..]).expect("Encoded extrinsic is always valid")
+		opaque::UncheckedExtrinsic::decode(&mut &encoded[..])
+			.expect("Encoded extrinsic is always valid")
 	}
 }
 
@@ -830,13 +837,13 @@
 pub type BlockId = generic::BlockId<Block>;
 /// The SignedExtension to the basic transaction logic.
 pub type SignedExtra = (
-    system::CheckSpecVersion<Runtime>,
-    // system::CheckTxVersion<Runtime>,
-    system::CheckGenesis<Runtime>,
-    system::CheckEra<Runtime>,
-    system::CheckNonce<Runtime>,
-    system::CheckWeight<Runtime>,
-    pallet_nft_charge_transaction::ChargeTransactionPayment<Runtime>,
+	system::CheckSpecVersion<Runtime>,
+	// system::CheckTxVersion<Runtime>,
+	system::CheckGenesis<Runtime>,
+	system::CheckEra<Runtime>,
+	system::CheckNonce<Runtime>,
+	system::CheckWeight<Runtime>,
+	pallet_nft_charge_transaction::ChargeTransactionPayment<Runtime>,
 	pallet_contract_helpers::ContractHelpersExtension<Runtime>,
 );
 /// Unchecked extrinsic type as expected by this runtime.
@@ -845,11 +852,11 @@
 pub type CheckedExtrinsic = generic::CheckedExtrinsic<AccountId, Call, SignedExtra>;
 /// Executive: handles dispatch to the various modules.
 pub type Executive = frame_executive::Executive<
-    Runtime,
-    Block,
-    frame_system::ChainContext<Runtime>,
-    Runtime,
-    AllPallets,
+	Runtime,
+	Block,
+	frame_system::ChainContext<Runtime>,
+	Runtime,
+	AllPallets,
 >;
 
 impl_opaque_keys! {
@@ -867,59 +874,59 @@
 		}
 	}
 
-    impl sp_api::Core<Block> for Runtime {
-        fn version() -> RuntimeVersion {
-            VERSION
-        }
+	impl sp_api::Core<Block> for Runtime {
+		fn version() -> RuntimeVersion {
+			VERSION
+		}
 
-        fn execute_block(block: Block) {
-            Executive::execute_block(block)
-        }
+		fn execute_block(block: Block) {
+			Executive::execute_block(block)
+		}
 
-        fn initialize_block(header: &<Block as BlockT>::Header) {
-            Executive::initialize_block(header)
-        }
-    }
+		fn initialize_block(header: &<Block as BlockT>::Header) {
+			Executive::initialize_block(header)
+		}
+	}
 
-    impl sp_api::Metadata<Block> for Runtime {
-        fn metadata() -> OpaqueMetadata {
-            Runtime::metadata().into()
-        }
-    }
+	impl sp_api::Metadata<Block> for Runtime {
+		fn metadata() -> OpaqueMetadata {
+			Runtime::metadata().into()
+		}
+	}
 
-    impl sp_block_builder::BlockBuilder<Block> for Runtime {
-        fn apply_extrinsic(extrinsic: <Block as BlockT>::Extrinsic) -> ApplyExtrinsicResult {
-            Executive::apply_extrinsic(extrinsic)
-        }
+	impl sp_block_builder::BlockBuilder<Block> for Runtime {
+		fn apply_extrinsic(extrinsic: <Block as BlockT>::Extrinsic) -> ApplyExtrinsicResult {
+			Executive::apply_extrinsic(extrinsic)
+		}
 
-        fn finalize_block() -> <Block as BlockT>::Header {
-            Executive::finalize_block()
-        }
+		fn finalize_block() -> <Block as BlockT>::Header {
+			Executive::finalize_block()
+		}
 
-        fn inherent_extrinsics(data: sp_inherents::InherentData) -> Vec<<Block as BlockT>::Extrinsic> {
-            data.create_extrinsics()
-        }
+		fn inherent_extrinsics(data: sp_inherents::InherentData) -> Vec<<Block as BlockT>::Extrinsic> {
+			data.create_extrinsics()
+		}
 
-        fn check_inherents(
-            block: Block,
-            data: sp_inherents::InherentData,
-        ) -> sp_inherents::CheckInherentsResult {
-            data.check_extrinsics(&block)
-        }
+		fn check_inherents(
+			block: Block,
+			data: sp_inherents::InherentData,
+		) -> sp_inherents::CheckInherentsResult {
+			data.check_extrinsics(&block)
+		}
 
-        // fn random_seed() -> <Block as BlockT>::Hash {
-        //     RandomnessCollectiveFlip::random_seed().0
-        // }
-    }
+		// fn random_seed() -> <Block as BlockT>::Hash {
+		//     RandomnessCollectiveFlip::random_seed().0
+		// }
+	}
 
-    impl sp_transaction_pool::runtime_api::TaggedTransactionQueue<Block> for Runtime {
-        fn validate_transaction(
-            source: TransactionSource,
-            tx: <Block as BlockT>::Extrinsic,
-        ) -> TransactionValidity {
-            Executive::validate_transaction(source, tx)
-        }
-    }
+	impl sp_transaction_pool::runtime_api::TaggedTransactionQueue<Block> for Runtime {
+		fn validate_transaction(
+			source: TransactionSource,
+			tx: <Block as BlockT>::Extrinsic,
+		) -> TransactionValidity {
+			Executive::validate_transaction(source, tx)
+		}
+	}
 
 	impl sp_offchain::OffchainWorkerApi<Block> for Runtime {
 		fn offchain_worker(header: &<Block as BlockT>::Header) {
@@ -980,7 +987,7 @@
 				gas_limit.low_u64(),
 				gas_price,
 				nonce,
-				config.as_ref().unwrap_or(<Runtime as pallet_evm::Config>::config()),
+				config.as_ref().unwrap_or_else(|| <Runtime as pallet_evm::Config>::config()),
 			).map_err(|err| err.into())
 		}
 
@@ -1008,7 +1015,7 @@
 				gas_limit.low_u64(),
 				gas_price,
 				nonce,
-				config.as_ref().unwrap_or(<Runtime as pallet_evm::Config>::config()),
+				config.as_ref().unwrap_or_else(|| <Runtime as pallet_evm::Config>::config()),
 			).map_err(|err| err.into())
 		}
 
@@ -1119,7 +1126,7 @@
 		}
 	}
 
-    #[cfg(feature = "runtime-benchmarks")]
+	#[cfg(feature = "runtime-benchmarks")]
 	impl frame_benchmarking::Benchmark<Block> for Runtime {
 		fn dispatch_benchmark(
 			config: frame_benchmarking::BenchmarkConfig
@@ -1151,7 +1158,31 @@
 	}
 }
 
+struct CheckInherents;
+
+impl cumulus_pallet_parachain_system::CheckInherents<Block> for CheckInherents {
+	fn check_inherents(
+		block: &Block,
+		relay_state_proof: &cumulus_pallet_parachain_system::RelayChainStateProof,
+	) -> sp_inherents::CheckInherentsResult {
+		let relay_chain_slot = relay_state_proof
+			.read_slot()
+			.expect("Could not read the relay chain slot from the proof");
+
+		let inherent_data =
+			cumulus_primitives_timestamp::InherentDataProvider::from_relay_chain_slot_and_duration(
+				relay_chain_slot,
+				sp_std::time::Duration::from_secs(6),
+			)
+			.create_inherent_data()
+			.expect("Could not create the timestamp inherent data");
+
+		inherent_data.check_extrinsics(&block)
+	}
+}
+
 cumulus_pallet_parachain_system::register_validate_block!(
-	Runtime,
-	cumulus_pallet_aura_ext::BlockExecutor::<Runtime, Executive>,
+	Runtime = Runtime,
+	BlockExecutor = cumulus_pallet_aura_ext::BlockExecutor::<Runtime, Executive>,
+	CheckInherents = CheckInherents,
 );
modifiedruntime/src/nft_weights.rsdiffbeforeafterboth
--- a/runtime/src/nft_weights.rs
+++ b/runtime/src/nft_weights.rs
@@ -8,154 +8,154 @@
 pub struct WeightInfo;
 impl pallet_nft::WeightInfo for WeightInfo {
 	fn create_collection() -> Weight {
-		(70_000_000 as Weight)
-			.saturating_add(DbWeight::get().reads(7 as Weight))
-			.saturating_add(DbWeight::get().writes(5 as Weight))
+		70_000_000_u64
+			.saturating_add(DbWeight::get().reads(7_u64))
+			.saturating_add(DbWeight::get().writes(5_u64))
 	}
 	fn destroy_collection() -> Weight {
-		(90_000_000 as Weight)
-			.saturating_add(DbWeight::get().reads(2 as Weight))
-			.saturating_add(DbWeight::get().writes(5 as Weight))
+		90_000_000_u64
+			.saturating_add(DbWeight::get().reads(2_u64))
+			.saturating_add(DbWeight::get().writes(5_u64))
 	}
 	fn add_to_white_list() -> Weight {
-		(30_000_000 as Weight)
-			.saturating_add(DbWeight::get().reads(3 as Weight))
-			.saturating_add(DbWeight::get().writes(1 as Weight))
-    }
-    fn remove_from_white_list() -> Weight {
-		(35_000_000 as Weight)
-			.saturating_add(DbWeight::get().reads(3 as Weight))
-			.saturating_add(DbWeight::get().writes(1 as Weight))
+		30_000_000_u64
+			.saturating_add(DbWeight::get().reads(3_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
+	}
+	fn remove_from_white_list() -> Weight {
+		35_000_000_u64
+			.saturating_add(DbWeight::get().reads(3_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
 	}
 	fn set_public_access_mode() -> Weight {
-		(27_000_000 as Weight)
-			.saturating_add(DbWeight::get().reads(1 as Weight))
-			.saturating_add(DbWeight::get().writes(1 as Weight))
+		27_000_000_u64
+			.saturating_add(DbWeight::get().reads(1_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
 	}
 	fn set_mint_permission() -> Weight {
-		(27_000_000 as Weight)
-			.saturating_add(DbWeight::get().reads(1 as Weight))
-			.saturating_add(DbWeight::get().writes(1 as Weight))
+		27_000_000_u64
+			.saturating_add(DbWeight::get().reads(1_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
 	}
 	fn change_collection_owner() -> Weight {
-		(27_000_000 as Weight)
-			.saturating_add(DbWeight::get().reads(1 as Weight))
-			.saturating_add(DbWeight::get().writes(1 as Weight))
+		27_000_000_u64
+			.saturating_add(DbWeight::get().reads(1_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
 	}
 	fn add_collection_admin() -> Weight {
-        (32_000_000 as Weight)
-            .saturating_add(DbWeight::get().reads(3 as Weight))
-            .saturating_add(DbWeight::get().writes(1 as Weight))
+		32_000_000_u64
+			.saturating_add(DbWeight::get().reads(3_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
 	}
 	fn remove_collection_admin() -> Weight {
-		(50_000_000 as Weight)
-            .saturating_add(DbWeight::get().reads(2 as Weight))
-            .saturating_add(DbWeight::get().writes(1 as Weight))
-    }
-    fn set_collection_sponsor() -> Weight {
-		(32_000_000 as Weight)
-            .saturating_add(DbWeight::get().reads(2 as Weight))
-            .saturating_add(DbWeight::get().writes(1 as Weight))
-    }  
-    fn confirm_sponsorship() -> Weight {
-		(22_000_000 as Weight)
-            .saturating_add(DbWeight::get().reads(1 as Weight))
-            .saturating_add(DbWeight::get().writes(1 as Weight))
-    }  
-    fn remove_collection_sponsor() -> Weight {
-		(24_000_000 as Weight)
-            .saturating_add(DbWeight::get().reads(1 as Weight))
-            .saturating_add(DbWeight::get().writes(1 as Weight))
-    }  
-    fn create_item(s: usize, ) -> Weight {
-        (130_000_000 as Weight)
-            .saturating_add((2135 as Weight).saturating_mul(s as Weight).saturating_mul(500 as Weight)) // 500 is temparary multiplier, fee for storage
-            .saturating_add(DbWeight::get().reads(10 as Weight))
-            .saturating_add(DbWeight::get().writes(8 as Weight))
-    }  
-    fn burn_item() -> Weight {
-		(170_000_000 as Weight)
-            .saturating_add(DbWeight::get().reads(9 as Weight))
-            .saturating_add(DbWeight::get().writes(7 as Weight))
-    }  
-    fn transfer() -> Weight {
-        (125_000_000 as Weight)
-            .saturating_add(DbWeight::get().reads(7 as Weight))
-            .saturating_add(DbWeight::get().writes(7 as Weight))
-    }  
-    fn approve() -> Weight {
-        (45_000_000 as Weight)
-            .saturating_add(DbWeight::get().reads(3 as Weight))
-            .saturating_add(DbWeight::get().writes(1 as Weight))
-    }
-    fn transfer_from() -> Weight {
-        (150_000_000 as Weight)
-            .saturating_add(DbWeight::get().reads(9 as Weight))
-            .saturating_add(DbWeight::get().writes(8 as Weight))
-    }
-    fn set_offchain_schema() -> Weight {
-        (33_000_000 as Weight)
-            .saturating_add(DbWeight::get().reads(2 as Weight))
-            .saturating_add(DbWeight::get().writes(1 as Weight))
-    }
-    fn set_const_on_chain_schema() -> Weight {
-        (11_100_000 as Weight)
-            .saturating_add(DbWeight::get().reads(2 as Weight))
-            .saturating_add(DbWeight::get().writes(1 as Weight))
-    }
-    fn set_variable_on_chain_schema() -> Weight {
-        (11_100_000 as Weight)
-            .saturating_add(DbWeight::get().reads(2 as Weight))
-            .saturating_add(DbWeight::get().writes(1 as Weight))
-    }
-    fn set_variable_meta_data() -> Weight {
-        (17_500_000 as Weight)
-            .saturating_add(DbWeight::get().reads(2 as Weight))
-            .saturating_add(DbWeight::get().writes(1 as Weight))
-    }
-    fn enable_contract_sponsoring() -> Weight {
-        (13_000_000 as Weight)
-            .saturating_add(DbWeight::get().reads(1 as Weight))
-            .saturating_add(DbWeight::get().writes(1 as Weight))
-    }
-    fn set_schema_version() -> Weight {
-        (8_500_000 as Weight)
-            .saturating_add(DbWeight::get().reads(2 as Weight))
-            .saturating_add(DbWeight::get().writes(1 as Weight))
-    }
-    fn set_chain_limits() -> Weight {
-        (1_300_000 as Weight)
-            .saturating_add(DbWeight::get().reads(0 as Weight))
-            .saturating_add(DbWeight::get().writes(1 as Weight))
-    }
-    fn set_contract_sponsoring_rate_limit() -> Weight {
-        (3_500_000 as Weight)
-            .saturating_add(DbWeight::get().reads(0 as Weight))
-            .saturating_add(DbWeight::get().writes(2 as Weight))
-    }    
-    fn set_variable_meta_data_sponsoring_rate_limit() -> Weight {
-        (3_500_000 as Weight)
-            .saturating_add(DbWeight::get().reads(1 as Weight))
-            .saturating_add(DbWeight::get().writes(2 as Weight))
-    }
-    fn toggle_contract_white_list() -> Weight {
-        (3_000_000 as Weight)
-            .saturating_add(DbWeight::get().reads(0 as Weight))
-            .saturating_add(DbWeight::get().writes(2 as Weight))
-    }    
-    fn add_to_contract_white_list() -> Weight {
-        (3_000_000 as Weight)
-            .saturating_add(DbWeight::get().reads(0 as Weight))
-            .saturating_add(DbWeight::get().writes(2 as Weight))
-    }    
-    fn remove_from_contract_white_list() -> Weight {
-        (3_200_000 as Weight)
-            .saturating_add(DbWeight::get().reads(0 as Weight))
-            .saturating_add(DbWeight::get().writes(2 as Weight))
-    }
-    fn set_collection_limits() -> Weight {
-        (8_900_000 as Weight)
-            .saturating_add(DbWeight::get().reads(2 as Weight))
-            .saturating_add(DbWeight::get().writes(1 as Weight))
-    }
+		50_000_000_u64
+			.saturating_add(DbWeight::get().reads(2_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
+	}
+	fn set_collection_sponsor() -> Weight {
+		32_000_000_u64
+			.saturating_add(DbWeight::get().reads(2_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
+	}
+	fn confirm_sponsorship() -> Weight {
+		22_000_000_u64
+			.saturating_add(DbWeight::get().reads(1_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
+	}
+	fn remove_collection_sponsor() -> Weight {
+		24_000_000_u64
+			.saturating_add(DbWeight::get().reads(1_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
+	}
+	fn create_item(s: usize) -> Weight {
+		130_000_000_u64
+			.saturating_add(2135_u64.saturating_mul(s as Weight).saturating_mul(500_u64)) // 500 is temparary multiplier, fee for storage
+			.saturating_add(DbWeight::get().reads(10_u64))
+			.saturating_add(DbWeight::get().writes(8_u64))
+	}
+	fn burn_item() -> Weight {
+		170_000_000_u64
+			.saturating_add(DbWeight::get().reads(9_u64))
+			.saturating_add(DbWeight::get().writes(7_u64))
+	}
+	fn transfer() -> Weight {
+		125_000_000_u64
+			.saturating_add(DbWeight::get().reads(7_u64))
+			.saturating_add(DbWeight::get().writes(7_u64))
+	}
+	fn approve() -> Weight {
+		45_000_000_u64
+			.saturating_add(DbWeight::get().reads(3_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
+	}
+	fn transfer_from() -> Weight {
+		150_000_000_u64
+			.saturating_add(DbWeight::get().reads(9_u64))
+			.saturating_add(DbWeight::get().writes(8_u64))
+	}
+	fn set_offchain_schema() -> Weight {
+		33_000_000_u64
+			.saturating_add(DbWeight::get().reads(2_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
+	}
+	fn set_const_on_chain_schema() -> Weight {
+		11_100_000_u64
+			.saturating_add(DbWeight::get().reads(2_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
+	}
+	fn set_variable_on_chain_schema() -> Weight {
+		11_100_000_u64
+			.saturating_add(DbWeight::get().reads(2_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
+	}
+	fn set_variable_meta_data() -> Weight {
+		17_500_000_u64
+			.saturating_add(DbWeight::get().reads(2_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
+	}
+	fn enable_contract_sponsoring() -> Weight {
+		13_000_000_u64
+			.saturating_add(DbWeight::get().reads(1_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
+	}
+	fn set_schema_version() -> Weight {
+		8_500_000_u64
+			.saturating_add(DbWeight::get().reads(2_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
+	}
+	fn set_chain_limits() -> Weight {
+		1_300_000_u64
+			.saturating_add(DbWeight::get().reads(0_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
+	}
+	fn set_contract_sponsoring_rate_limit() -> Weight {
+		3_500_000_u64
+			.saturating_add(DbWeight::get().reads(0_u64))
+			.saturating_add(DbWeight::get().writes(2_u64))
+	}
+	fn set_variable_meta_data_sponsoring_rate_limit() -> Weight {
+		3_500_000_u64
+			.saturating_add(DbWeight::get().reads(1_u64))
+			.saturating_add(DbWeight::get().writes(2_u64))
+	}
+	fn toggle_contract_white_list() -> Weight {
+		3_000_000_u64
+			.saturating_add(DbWeight::get().reads(0_u64))
+			.saturating_add(DbWeight::get().writes(2_u64))
+	}
+	fn add_to_contract_white_list() -> Weight {
+		3_000_000_u64
+			.saturating_add(DbWeight::get().reads(0_u64))
+			.saturating_add(DbWeight::get().writes(2_u64))
+	}
+	fn remove_from_contract_white_list() -> Weight {
+		3_200_000_u64
+			.saturating_add(DbWeight::get().reads(0_u64))
+			.saturating_add(DbWeight::get().writes(2_u64))
+	}
+	fn set_collection_limits() -> Weight {
+		8_900_000_u64
+			.saturating_add(DbWeight::get().reads(2_u64))
+			.saturating_add(DbWeight::get().writes(1_u64))
+	}
 }
modifiedruntime_types.jsondiffbeforeafterboth
--- a/runtime_types.json
+++ b/runtime_types.json
@@ -11,6 +11,10 @@
         "WhiteList"
       ]
     },
+    "CallSpec": {
+      "Module": "u32",
+      "Method": "u32"
+    },
     "DecimalPoints": "u8",
     "CollectionMode": {
       "_enum": {
addedtests/.eslintrc.jsondiffbeforeafterboth
--- /dev/null
+++ b/tests/.eslintrc.json
@@ -0,0 +1,68 @@
+{
+    "env": {
+        "browser": true,
+        "es2020": true
+    },
+    "extends": [
+        "eslint:recommended",
+        "plugin:@typescript-eslint/recommended"
+    ],
+    "parser": "@typescript-eslint/parser",
+    "parserOptions": {
+        "ecmaVersion": 11,
+        "sourceType": "module"
+    },
+    "plugins": [
+        "@typescript-eslint"
+    ],
+    "rules": {
+        "indent": [
+            "error",
+            2,
+            {
+                "SwitchCase": 1
+            }
+        ],
+        "function-call-argument-newline": [
+            "error",
+            "consistent"
+        ],
+        "function-paren-newline": [
+            "error",
+            "multiline"
+        ],
+        "linebreak-style": [
+            "error",
+            "unix"
+        ],
+        "quotes": [
+            "error",
+            "single",
+            {
+                "avoidEscape": true
+            }
+        ],
+        "semi": [
+            "error",
+            "always"
+        ],
+        "@typescript-eslint/explicit-module-boundary-types": "off",
+        "comma-dangle": [
+            "error",
+            "always-multiline"
+        ],
+        "no-unused-vars": "off",
+        "@typescript-eslint/no-empty-function": "off",
+        "@typescript-eslint/no-non-null-assertion": "off",
+        "@typescript-eslint/no-explicit-any": "off",
+        "@typescript-eslint/no-unused-vars": "warn",
+        "no-async-promise-executor": "warn",
+        "@typescript-eslint/no-empty-interface": "off",
+        "prefer-const": [
+            "error",
+            {
+                "destructuring": "all"
+            }
+        ]
+    }
+}
\ No newline at end of file
modifiedtests/package.jsondiffbeforeafterboth
--- a/tests/package.json
+++ b/tests/package.json
@@ -14,14 +14,20 @@
     "mocha": "^8.3.2",
     "ts-node": "^9.1.1",
     "tslint": "^6.1.3",
-    "typescript": "^4.2.4"
+    "typescript": "^4.2.4",
+    "eslint": "^7.28.0",
+    "@types/node": "^14.14.12",
+    "@typescript-eslint/eslint-plugin": "^3.4.0",
+    "@typescript-eslint/parser": "^3.4.0"
   },
   "scripts": {
+    "lint": "eslint --ext .ts,.js src/",
+    "fix": "eslint --ext .ts,.js src/ --fix",
     "test": "mocha --timeout 9999999 -r ts-node/register ./**/*.test.ts",
     "testEth": "mocha --timeout 9999999 -r ts-node/register ./**/eth/**/*.test.ts",
     "load": "mocha --timeout 9999999 -r ts-node/register ./**/*.load.ts",
     "loadTransfer": "ts-node src/transfer.nload.ts",
-    "testCollision": "mocha --timeout 9999999 -r ts-node/register ./src/collision-tests/*.test.ts", 
+    "testCollision": "mocha --timeout 9999999 -r ts-node/register ./src/collision-tests/*.test.ts",
     "testAddCollectionAdmin": "mocha --timeout 9999999 -r ts-node/register ./**/addCollectionAdmin.test.ts",
     "testSetSchemaVersion": "mocha --timeout 9999999 -r ts-node/register ./**/setSchemaVersion.test.ts",
     "testSetVariableMetaData": "mocha --timeout 9999999 -r ts-node/register ./**/setVariableMetaData.test.ts",
modifiedtests/src/addToContractWhiteList.test.tsdiffbeforeafterboth
--- a/tests/src/addToContractWhiteList.test.ts
+++ b/tests/src/addToContractWhiteList.test.ts
@@ -3,25 +3,25 @@
 // file 'LICENSE', which is part of this source code package.
 //
 
-import chai from "chai";
+import chai from 'chai';
 import chaiAsPromised from 'chai-as-promised';
-import usingApi, { submitTransactionAsync, submitTransactionExpectFailAsync } from "./substrate/substrate-api";
-import privateKey from "./substrate/privateKey";
+import usingApi, { submitTransactionAsync, submitTransactionExpectFailAsync } from './substrate/substrate-api';
+import privateKey from './substrate/privateKey';
 import {
-  deployFlipper
-} from "./util/contracthelpers";
+  deployFlipper,
+} from './util/contracthelpers';
 import {
-  getGenericResult, normalizeAccountId
-} from "./util/helpers"
+  getGenericResult,
+} from './util/helpers';
 
 chai.use(chaiAsPromised);
 const expect = chai.expect;
 
 describe('Integration Test addToContractWhiteList', () => {
 
-  it(`Add an address to a contract white list`, async () => {
+  it('Add an address to a contract white list', async () => {
     await usingApi(async api => {
-      const bob = privateKey("//Bob");
+      const bob = privateKey('//Bob');
       const [contract, deployer] = await deployFlipper(api);
 
       const whiteListedBefore = (await api.query.nft.contractWhiteList(contract.address, bob.address)).toJSON();
@@ -35,9 +35,9 @@
     });
   });
 
-  it(`Adding same address to white list repeatedly should not produce errors`, async () => {
+  it('Adding same address to white list repeatedly should not produce errors', async () => {
     await usingApi(async api => {
-      const bob = privateKey("//Bob");
+      const bob = privateKey('//Bob');
       const [contract, deployer] = await deployFlipper(api);
 
       const whiteListedBefore = (await api.query.nft.contractWhiteList(contract.address, bob.address)).toJSON();
@@ -58,11 +58,11 @@
 
 describe('Negative Integration Test addToContractWhiteList', () => {
 
-  it(`Add an address to a white list of a non-contract`, async () => {
+  it('Add an address to a white list of a non-contract', async () => {
     await usingApi(async api => {
-      const alice = privateKey("//Bob");
-      const bob = privateKey("//Bob");
-      const charlieGuineaPig = privateKey("//Charlie");
+      const alice = privateKey('//Bob');
+      const bob = privateKey('//Bob');
+      const charlieGuineaPig = privateKey('//Charlie');
 
       const whiteListedBefore = (await api.query.nft.contractWhiteList(charlieGuineaPig.address, bob.address)).toJSON();
       const addTx = api.tx.nft.addToContractWhiteList(charlieGuineaPig.address, bob.address);
@@ -74,10 +74,10 @@
     });
   });
 
-  it(`Add to a contract white list using a non-owner address`, async () => {
+  it('Add to a contract white list using a non-owner address', async () => {
     await usingApi(async api => {
-      const bob = privateKey("//Bob");
-      const [contract, deployer] = await deployFlipper(api);
+      const bob = privateKey('//Bob');
+      const [contract] = await deployFlipper(api);
 
       const whiteListedBefore = (await api.query.nft.contractWhiteList(contract.address, bob.address)).toJSON();
       const addTx = api.tx.nft.addToContractWhiteList(contract.address, bob.address);
modifiedtests/src/addToWhiteList.test.tsdiffbeforeafterboth
--- a/tests/src/addToWhiteList.test.ts
+++ b/tests/src/addToWhiteList.test.ts
@@ -1,87 +1,87 @@
-//
-// This file is subject to the terms and conditions defined in
-// file 'LICENSE', which is part of this source code package.
-//
-
-import { IKeyringPair } from '@polkadot/types/types';
-import chai from 'chai';
-import chaiAsPromised from 'chai-as-promised';
-import privateKey from './substrate/privateKey';
-import usingApi, { submitTransactionExpectFailAsync } from './substrate/substrate-api';
-import {
-  addToWhiteListExpectSuccess,
-  createCollectionExpectSuccess,
-  createItemExpectSuccess,
-  destroyCollectionExpectSuccess,
-  enablePublicMintingExpectSuccess,
-  enableWhiteListExpectSuccess,
-  normalizeAccountId,
-} from './util/helpers';
-
-chai.use(chaiAsPromised);
-const expect = chai.expect;
-
-let Alice: IKeyringPair;
-let Bob: IKeyringPair;
-
-describe('Integration Test ext. addToWhiteList()', () => {
-
-  before(async () => {
-    await usingApi(async (api) => {
-      Alice = privateKey('//Alice');
-      Bob = privateKey('//Bob');
-    });
-  });
-
-  it('Execute the extrinsic with parameters: Collection ID and address to add to the white list', async () => {
-    const collectionId = await createCollectionExpectSuccess();
-    await addToWhiteListExpectSuccess(Alice, collectionId, Bob.address);
-  });
-
-  it('Whitelisted minting: list restrictions', async () => {
-    const collectionId = await createCollectionExpectSuccess();
-    await addToWhiteListExpectSuccess(Alice, collectionId, Bob.address);
-    await enableWhiteListExpectSuccess(Alice, collectionId);
-    await enablePublicMintingExpectSuccess(Alice, collectionId);
-    await createItemExpectSuccess(Bob, collectionId, 'NFT', Bob.address);
-  });
-});
-
-describe('Negative Integration Test ext. addToWhiteList()', () => {
-
-  it('White list an address in the collection that does not exist', async () => {
-    await usingApi(async (api) => {
-      // tslint:disable-next-line: no-bitwise
-      const collectionId = parseInt((await api.query.nft.createdCollectionCount()).toString()) + 1;
-      const Bob = privateKey('//Bob');
-
-      const tx = api.tx.nft.addToWhiteList(collectionId, normalizeAccountId(Bob.address));
-      await expect(submitTransactionExpectFailAsync(Alice, tx)).to.be.rejected;
-    });
-  });
-
-  it('White list an address in the collection that was destroyed', async () => {
-    await usingApi(async (api) => {
-      const Alice = privateKey('//Alice');
-      const Bob = privateKey('//Bob');
-      // tslint:disable-next-line: no-bitwise
-      const collectionId = await createCollectionExpectSuccess();
-      await destroyCollectionExpectSuccess(collectionId);
-      const tx = api.tx.nft.addToWhiteList(collectionId, normalizeAccountId(Bob.address));
-      await expect(submitTransactionExpectFailAsync(Alice, tx)).to.be.rejected;
-    });
-  });
-
-  it('White list an address in the collection that does not have white list access enabled', async () => {
-    await usingApi(async (api) => {
-      const Alice = privateKey('//Alice');
-      const Ferdie = privateKey('//Ferdie');
-      const collectionId = await createCollectionExpectSuccess();
-      await enableWhiteListExpectSuccess(Alice, collectionId);
-      await enablePublicMintingExpectSuccess(Alice, collectionId);
-      const tx = api.tx.nft.createItem(collectionId, normalizeAccountId(Ferdie.address), 'NFT');
-      await expect(submitTransactionExpectFailAsync(Ferdie, tx)).to.be.rejected;
-    });
-  });
-
-});
+//
+// This file is subject to the terms and conditions defined in
+// file 'LICENSE', which is part of this source code package.
+//
+
+import { IKeyringPair } from '@polkadot/types/types';
+import chai from 'chai';
+import chaiAsPromised from 'chai-as-promised';
+import privateKey from './substrate/privateKey';
+import usingApi, { submitTransactionExpectFailAsync } from './substrate/substrate-api';
+import {
+  addToWhiteListExpectSuccess,
+  createCollectionExpectSuccess,
+  createItemExpectSuccess,
+  destroyCollectionExpectSuccess,
+  enablePublicMintingExpectSuccess,
+  enableWhiteListExpectSuccess,
+  normalizeAccountId,
+} from './util/helpers';
+
+chai.use(chaiAsPromised);
+const expect = chai.expect;
+
+let Alice: IKeyringPair;
+let Bob: IKeyringPair;
+
+describe('Integration Test ext. addToWhiteList()', () => {
+
+  before(async () => {
+    await usingApi(async () => {
+      Alice = privateKey('//Alice');
+      Bob = privateKey('//Bob');
+    });
+  });
+
+  it('Execute the extrinsic with parameters: Collection ID and address to add to the white list', async () => {
+    const collectionId = await createCollectionExpectSuccess();
+    await addToWhiteListExpectSuccess(Alice, collectionId, Bob.address);
+  });
+
+  it('Whitelisted minting: list restrictions', async () => {
+    const collectionId = await createCollectionExpectSuccess();
+    await addToWhiteListExpectSuccess(Alice, collectionId, Bob.address);
+    await enableWhiteListExpectSuccess(Alice, collectionId);
+    await enablePublicMintingExpectSuccess(Alice, collectionId);
+    await createItemExpectSuccess(Bob, collectionId, 'NFT', Bob.address);
+  });
+});
+
+describe('Negative Integration Test ext. addToWhiteList()', () => {
+
+  it('White list an address in the collection that does not exist', async () => {
+    await usingApi(async (api) => {
+      // tslint:disable-next-line: no-bitwise
+      const collectionId = parseInt((await api.query.nft.createdCollectionCount()).toString()) + 1;
+      const Bob = privateKey('//Bob');
+
+      const tx = api.tx.nft.addToWhiteList(collectionId, normalizeAccountId(Bob.address));
+      await expect(submitTransactionExpectFailAsync(Alice, tx)).to.be.rejected;
+    });
+  });
+
+  it('White list an address in the collection that was destroyed', async () => {
+    await usingApi(async (api) => {
+      const Alice = privateKey('//Alice');
+      const Bob = privateKey('//Bob');
+      // tslint:disable-next-line: no-bitwise
+      const collectionId = await createCollectionExpectSuccess();
+      await destroyCollectionExpectSuccess(collectionId);
+      const tx = api.tx.nft.addToWhiteList(collectionId, normalizeAccountId(Bob.address));
+      await expect(submitTransactionExpectFailAsync(Alice, tx)).to.be.rejected;
+    });
+  });
+
+  it('White list an address in the collection that does not have white list access enabled', async () => {
+    await usingApi(async (api) => {
+      const Alice = privateKey('//Alice');
+      const Ferdie = privateKey('//Ferdie');
+      const collectionId = await createCollectionExpectSuccess();
+      await enableWhiteListExpectSuccess(Alice, collectionId);
+      await enablePublicMintingExpectSuccess(Alice, collectionId);
+      const tx = api.tx.nft.createItem(collectionId, normalizeAccountId(Ferdie.address), 'NFT');
+      await expect(submitTransactionExpectFailAsync(Ferdie, tx)).to.be.rejected;
+    });
+  });
+
+});
modifiedtests/src/approve.test.tsdiffbeforeafterboth
--- a/tests/src/approve.test.ts
+++ b/tests/src/approve.test.ts
@@ -82,7 +82,7 @@
   let Charlie: IKeyringPair;
 
   before(async () => {
-    await usingApi(async (api) => {
+    await usingApi(async () => {
       Alice = privateKey('//Alice');
       Bob = privateKey('//Bob');
       Charlie = privateKey('//Charlie');
modifiedtests/src/block-production.test.tsdiffbeforeafterboth
--- a/tests/src/block-production.test.ts
+++ b/tests/src/block-production.test.ts
@@ -3,14 +3,15 @@
 // file 'LICENSE', which is part of this source code package.
 //
 
-import usingApi from "./substrate/substrate-api";
-import { expect } from "chai";
-import { ApiPromise } from "@polkadot/api";
+import usingApi from './substrate/substrate-api';
+import { expect } from 'chai';
+import { ApiPromise } from '@polkadot/api';
 
 const BlockTimeMs = 12000;
 const ToleranceMs = 1000;
 
-async function getBlocks(api: ApiPromise): Promise<number[]> {
+/* eslint no-async-promise-executor: "off" */
+function getBlocks(api: ApiPromise): Promise<number[]> {
   return new Promise<number[]>(async (resolve, reject) => {
     const blockNumbers: number[] = [];
     setTimeout(() => reject('Block production test failed due to timeout.'), BlockTimeMs + ToleranceMs);
@@ -27,7 +28,7 @@
 describe('Block Production smoke test', () => {
   it('Node produces new blocks', async () => {
     await usingApi(async (api) => {
-      let blocks: number[] | undefined = await getBlocks(api);
+      const blocks: number[] | undefined = await getBlocks(api);
       expect(blocks[0]).to.be.lessThan(blocks[1]);
     });
   });
modifiedtests/src/burnItem.test.tsdiffbeforeafterboth
--- a/tests/src/burnItem.test.ts
+++ b/tests/src/burnItem.test.ts
@@ -4,16 +4,15 @@
 //
 
 import { default as usingApi, submitTransactionAsync, submitTransactionExpectFailAsync } from './substrate/substrate-api';
-import { Keyring } from "@polkadot/api";
-import { IKeyringPair } from "@polkadot/types/types";
+import { Keyring } from '@polkadot/api';
+import { IKeyringPair } from '@polkadot/types/types';
 import { 
   createCollectionExpectSuccess, 
   createItemExpectSuccess,
   getGenericResult,
   destroyCollectionExpectSuccess,
-  normalizeAccountId
+  normalizeAccountId,
 } from './util/helpers';
-import { nullPublicKey } from "./accounts";
 
 import chai from 'chai';
 import chaiAsPromised from 'chai-as-promised';
@@ -25,10 +24,10 @@
 
 describe('integration test: ext. burnItem():', () => {
   before(async () => {
-    await usingApi(async (api) => {
+    await usingApi(async () => {
       const keyring = new Keyring({ type: 'sr25519' });
-      alice = keyring.addFromUri(`//Alice`);
-      bob = keyring.addFromUri(`//Bob`);
+      alice = keyring.addFromUri('//Alice');
+      bob = keyring.addFromUri('//Bob');
     });
   });
 
@@ -139,10 +138,10 @@
 
 describe('Negative integration test: ext. burnItem():', () => {
   before(async () => {
-    await usingApi(async (api) => {
+    await usingApi(async () => {
       const keyring = new Keyring({ type: 'sr25519' });
-      alice = keyring.addFromUri(`//Alice`);
-      bob = keyring.addFromUri(`//Bob`);
+      alice = keyring.addFromUri('//Alice');
+      bob = keyring.addFromUri('//Bob');
     });
   });
 
modifiedtests/src/change-collection-owner.test.tsdiffbeforeafterboth
--- a/tests/src/change-collection-owner.test.ts
+++ b/tests/src/change-collection-owner.test.ts
@@ -6,8 +6,8 @@
 import chai from 'chai';
 import chaiAsPromised from 'chai-as-promised';
 import privateKey from './substrate/privateKey';
-import { default as usingApi, submitTransactionAsync, submitTransactionExpectFailAsync } from "./substrate/substrate-api";
-import { createCollectionExpectSuccess, createCollectionExpectFailure, normalizeAccountId } from "./util/helpers";
+import { default as usingApi, submitTransactionAsync, submitTransactionExpectFailAsync } from './substrate/substrate-api';
+import { createCollectionExpectSuccess, normalizeAccountId } from './util/helpers';
 
 chai.use(chaiAsPromised);
 const expect = chai.expect;
@@ -32,7 +32,7 @@
 });
 
 describe('Negative Integration Test changeCollectionOwner(collection_id, new_owner):', () => {
-  it(`Not owner can't change owner.`, async () => {
+  it('Not owner can\'t change owner.', async () => {
     await usingApi(async api => {
       const collectionId = await createCollectionExpectSuccess();
       const alice = privateKey('//Alice');
@@ -48,7 +48,7 @@
       await createCollectionExpectSuccess();
     });
   });
-  it(`Can't change owner of not existing collection.`, async () => {
+  it('Can\'t change owner of not existing collection.', async () => {
     await usingApi(async api => {
       const collectionId = (1<<32) - 1;
       const alice = privateKey('//Alice');
modifiedtests/src/check-event/createItemEvent.test.tsdiffbeforeafterboth
--- a/tests/src/check-event/createItemEvent.test.ts
+++ b/tests/src/check-event/createItemEvent.test.ts
@@ -10,7 +10,7 @@
 import chaiAsPromised from 'chai-as-promised';
 import privateKey from '../substrate/privateKey';
 import usingApi, {submitTransactionAsync} from '../substrate/substrate-api';
-import { createCollectionExpectSuccess, createItemExpectSuccess, nftEventMessage } from '../util/helpers';
+import { createCollectionExpectSuccess, nftEventMessage } from '../util/helpers';
 
 chai.use(chaiAsPromised);
 const expect = chai.expect;
modifiedtests/src/check-event/createMultipleItemsEvent.test.tsdiffbeforeafterboth
--- a/tests/src/check-event/createMultipleItemsEvent.test.ts
+++ b/tests/src/check-event/createMultipleItemsEvent.test.ts
@@ -10,7 +10,7 @@
 import chaiAsPromised from 'chai-as-promised';
 import privateKey from '../substrate/privateKey';
 import usingApi, {submitTransactionAsync} from '../substrate/substrate-api';
-import { createCollectionExpectSuccess, createItemExpectSuccess, nftEventMessage } from '../util/helpers';
+import { createCollectionExpectSuccess, nftEventMessage } from '../util/helpers';
 
 chai.use(chaiAsPromised);
 const expect = chai.expect;
modifiedtests/src/collision-tests/admVsOwnerChanges.test.tsdiffbeforeafterboth
--- a/tests/src/collision-tests/admVsOwnerChanges.test.ts
+++ b/tests/src/collision-tests/admVsOwnerChanges.test.ts
@@ -1,55 +1,50 @@
-import { IKeyringPair } from '@polkadot/types/types';
-import chai from 'chai';
-import chaiAsPromised from 'chai-as-promised';
-import { alicesPublicKey, bobsPublicKey } from '../accounts';
-import getBalance from '../substrate/get-balance';
-import privateKey from '../substrate/privateKey';
-import usingApi, { submitTransactionAsync } from '../substrate/substrate-api';
-import waitNewBlocks from '../substrate/wait-new-blocks';
-import {
-  createCollectionExpectSuccess,
-  createItemExpectSuccess,
-  setCollectionSponsorExpectSuccess,
-} from '../util/helpers';
-
-chai.use(chaiAsPromised);
-const expect = chai.expect;
-let Alice: IKeyringPair;
-let Bob: IKeyringPair;
-let Ferdie: IKeyringPair;
-
-before(async () => {
-  await usingApi(async () => {
-    Alice = privateKey('//Alice');
-    Bob = privateKey('//Bob');
-    Ferdie = privateKey('//Ferdie');
-  });
-});
-
-describe('Admin vs Owner changes token: ', () => {
-  // tslint:disable-next-line: max-line-length
-  it('The collection admin changes the owner of the token and in the same block the current owner transfers the token to another address ', async () => {
-    await usingApi(async (api) => {
-      const collectionId = await createCollectionExpectSuccess();
-      const changeAdminTxBob = api.tx.nft.addCollectionAdmin(collectionId, Bob.address);
-      await submitTransactionAsync(Alice, changeAdminTxBob);
-      const timeoutPromise = (timeout: number) => new Promise((resolve) => setTimeout(resolve, timeout));
-      const changeAdminTxFerdie = api.tx.nft.addCollectionAdmin(collectionId, Ferdie.address);
-      await submitTransactionAsync(Bob, changeAdminTxFerdie);
-      const itemId = await createItemExpectSuccess(Ferdie, collectionId, 'NFT');
-      //
-      const changeOwner = api.tx.nft.transferFrom(Ferdie.address, Bob.address, collectionId, itemId, 1);
-      const approve = api.tx.nft.approve(Bob.address, collectionId, itemId, 1);
-      const sendItem = api.tx.nft.transfer(Alice.address, collectionId, itemId, 1);
-      await Promise.all
-      ([
-        changeOwner.signAndSend(Alice),
-        approve.signAndSend(Bob),
-        sendItem.signAndSend(Ferdie),
-      ]);
-      const itemBefore: any = await api.query.nft.nftItemList(collectionId, itemId);
-      expect(itemBefore.Owner).not.to.be.eq(Bob.address);
-      await timeoutPromise(20000);
-    });
-  });
-});
+import { IKeyringPair } from '@polkadot/types/types';
+import chai from 'chai';
+import chaiAsPromised from 'chai-as-promised';
+import privateKey from '../substrate/privateKey';
+import usingApi, { submitTransactionAsync } from '../substrate/substrate-api';
+import {
+  createCollectionExpectSuccess,
+  createItemExpectSuccess,
+} from '../util/helpers';
+
+chai.use(chaiAsPromised);
+const expect = chai.expect;
+let Alice: IKeyringPair;
+let Bob: IKeyringPair;
+let Ferdie: IKeyringPair;
+
+before(async () => {
+  await usingApi(async () => {
+    Alice = privateKey('//Alice');
+    Bob = privateKey('//Bob');
+    Ferdie = privateKey('//Ferdie');
+  });
+});
+
+describe('Admin vs Owner changes token: ', () => {
+  // tslint:disable-next-line: max-line-length
+  it('The collection admin changes the owner of the token and in the same block the current owner transfers the token to another address ', async () => {
+    await usingApi(async (api) => {
+      const collectionId = await createCollectionExpectSuccess();
+      const changeAdminTxBob = api.tx.nft.addCollectionAdmin(collectionId, Bob.address);
+      await submitTransactionAsync(Alice, changeAdminTxBob);
+      const timeoutPromise = (timeout: number) => new Promise((resolve) => setTimeout(resolve, timeout));
+      const changeAdminTxFerdie = api.tx.nft.addCollectionAdmin(collectionId, Ferdie.address);
+      await submitTransactionAsync(Bob, changeAdminTxFerdie);
+      const itemId = await createItemExpectSuccess(Ferdie, collectionId, 'NFT');
+      //
+      const changeOwner = api.tx.nft.transferFrom(Ferdie.address, Bob.address, collectionId, itemId, 1);
+      const approve = api.tx.nft.approve(Bob.address, collectionId, itemId, 1);
+      const sendItem = api.tx.nft.transfer(Alice.address, collectionId, itemId, 1);
+      await Promise.all([
+        changeOwner.signAndSend(Alice),
+        approve.signAndSend(Bob),
+        sendItem.signAndSend(Ferdie),
+      ]);
+      const itemBefore: any = await api.query.nft.nftItemList(collectionId, itemId);
+      expect(itemBefore.Owner).not.to.be.eq(Bob.address);
+      await timeoutPromise(20000);
+    });
+  });
+});
modifiedtests/src/collision-tests/admVsOwnerData.test.tsdiffbeforeafterboth
--- a/tests/src/collision-tests/admVsOwnerData.test.ts
+++ b/tests/src/collision-tests/admVsOwnerData.test.ts
@@ -1,54 +1,47 @@
-import { IKeyringPair } from '@polkadot/types/types';
-import chai from 'chai';
-import chaiAsPromised from 'chai-as-promised';
-import { alicesPublicKey, bobsPublicKey } from '../accounts';
-import getBalance from '../substrate/get-balance';
-import privateKey from '../substrate/privateKey';
-import usingApi, { submitTransactionAsync } from '../substrate/substrate-api';
-import waitNewBlocks from '../substrate/wait-new-blocks';
-import {
-  createCollectionExpectSuccess,
-  createItemExpectSuccess,
-  setCollectionSponsorExpectSuccess,
-} from '../util/helpers';
-
-chai.use(chaiAsPromised);
-const expect = chai.expect;
-let Alice: IKeyringPair;
-let Bob: IKeyringPair;
-let Ferdie: IKeyringPair;
-
-before(async () => {
-  await usingApi(async () => {
-    Alice = privateKey('//Alice');
-    Bob = privateKey('//Bob');
-    Ferdie = privateKey('//Ferdie');
-  });
-});
-
-describe('Admin vs Owner changes the data in the token: ', () => {
-  it('The collection admin changes the data in the token and in the same block the token owner also changes the data in it ', async () => {
-    await usingApi(async (api) => {
-      const AliceData = 1;
-      const BobData = 2;
-      const collectionId = await createCollectionExpectSuccess();
-      const changeAdminTx = api.tx.nft.addCollectionAdmin(collectionId, Bob.address);
-      await submitTransactionAsync(Alice, changeAdminTx);
-      const timeoutPromise = (timeout: number) => new Promise((resolve) => setTimeout(resolve, timeout));
-      const itemId = await createItemExpectSuccess(Bob, collectionId, 'NFT');
-      //
-      // tslint:disable-next-line: max-line-length
-      const AliceTx = api.tx.nft.setVariableMetaData(collectionId, itemId, AliceData.toString());
-      // tslint:disable-next-line: max-line-length
-      const BobTx = api.tx.nft.setVariableMetaData(collectionId, itemId, BobData.toString());
-      await Promise.all
-      ([
-        AliceTx.signAndSend(Alice),
-        BobTx.signAndSend(Bob),
-      ]);
-      const item: any = await api.query.nft.nftItemList(collectionId, itemId);
-      expect(item.VariableData).not.to.be.eq(null); // Pseudo-random selection of one of two values
-      await timeoutPromise(20000);
-    });
-  });
-});
+import { IKeyringPair } from '@polkadot/types/types';
+import chai from 'chai';
+import chaiAsPromised from 'chai-as-promised';
+import privateKey from '../substrate/privateKey';
+import usingApi, { submitTransactionAsync } from '../substrate/substrate-api';
+import {
+  createCollectionExpectSuccess,
+  createItemExpectSuccess,
+} from '../util/helpers';
+
+chai.use(chaiAsPromised);
+const expect = chai.expect;
+let Alice: IKeyringPair;
+let Bob: IKeyringPair;
+
+before(async () => {
+  await usingApi(async () => {
+    Alice = privateKey('//Alice');
+    Bob = privateKey('//Bob');
+  });
+});
+
+describe('Admin vs Owner changes the data in the token: ', () => {
+  it('The collection admin changes the data in the token and in the same block the token owner also changes the data in it ', async () => {
+    await usingApi(async (api) => {
+      const AliceData = 1;
+      const BobData = 2;
+      const collectionId = await createCollectionExpectSuccess();
+      const changeAdminTx = api.tx.nft.addCollectionAdmin(collectionId, Bob.address);
+      await submitTransactionAsync(Alice, changeAdminTx);
+      const timeoutPromise = (timeout: number) => new Promise((resolve) => setTimeout(resolve, timeout));
+      const itemId = await createItemExpectSuccess(Bob, collectionId, 'NFT');
+      //
+      // tslint:disable-next-line: max-line-length
+      const AliceTx = api.tx.nft.setVariableMetaData(collectionId, itemId, AliceData.toString());
+      // tslint:disable-next-line: max-line-length
+      const BobTx = api.tx.nft.setVariableMetaData(collectionId, itemId, BobData.toString());
+      await Promise.all([
+        AliceTx.signAndSend(Alice),
+        BobTx.signAndSend(Bob),
+      ]);
+      const item: any = await api.query.nft.nftItemList(collectionId, itemId);
+      expect(item.VariableData).not.to.be.eq(null); // Pseudo-random selection of one of two values
+      await timeoutPromise(20000);
+    });
+  });
+});
modifiedtests/src/collision-tests/admVsOwnerTake.test.tsdiffbeforeafterboth
--- a/tests/src/collision-tests/admVsOwnerTake.test.ts
+++ b/tests/src/collision-tests/admVsOwnerTake.test.ts
@@ -1,54 +1,49 @@
-import { IKeyringPair } from '@polkadot/types/types';
-import chai from 'chai';
-import chaiAsPromised from 'chai-as-promised';
-import { alicesPublicKey, bobsPublicKey } from '../accounts';
-import getBalance from '../substrate/get-balance';
-import privateKey from '../substrate/privateKey';
-import usingApi, { submitTransactionAsync } from '../substrate/substrate-api';
-import waitNewBlocks from '../substrate/wait-new-blocks';
-import {
-  createCollectionExpectSuccess,
-  createItemExpectSuccess,
-  setCollectionSponsorExpectSuccess,
-} from '../util/helpers';
-
-chai.use(chaiAsPromised);
-const expect = chai.expect;
-let Alice: IKeyringPair;
-let Bob: IKeyringPair;
-let Ferdie: IKeyringPair;
-
-before(async () => {
-  await usingApi(async () => {
-    Alice = privateKey('//Alice');
-    Bob = privateKey('//Bob');
-    Ferdie = privateKey('//Ferdie');
-  });
-});
-
-describe('Admin vs Owner take token: ', () => {
-  // tslint:disable-next-line: max-line-length
-  it('The collection admin burns the token and in the same block the token owner performs a transaction on it ', async () => {
-    await usingApi(async (api) => {
-      const collectionId = await createCollectionExpectSuccess();
-      const changeAdminTx = api.tx.nft.addCollectionAdmin(collectionId, Bob.address);
-      await submitTransactionAsync(Alice, changeAdminTx);
-      const timeoutPromise = (timeout: number) => new Promise((resolve) => setTimeout(resolve, timeout));
-      const itemId = await createItemExpectSuccess(Bob, collectionId, 'NFT');
-      //
-      const sendItem = api.tx.nft.transfer(Ferdie.address, collectionId, itemId, 1);
-      const burnItem = api.tx.nft.burnItem(collectionId, itemId, 1);
-      await Promise.all
-      ([
-        sendItem.signAndSend(Bob),
-        burnItem.signAndSend(Alice),
-      ]);
-      await timeoutPromise(10000);
-      let itemBurn: boolean = false;
-      itemBurn = (await (api.query.nft.nftItemList(collectionId, itemId))).toJSON() as boolean;
-      // tslint:disable-next-line: no-unused-expression
-      expect(itemBurn).to.be.null;
-      await timeoutPromise(20000);
-    });
-  });
-});
+import { IKeyringPair } from '@polkadot/types/types';
+import chai from 'chai';
+import chaiAsPromised from 'chai-as-promised';
+import privateKey from '../substrate/privateKey';
+import usingApi, { submitTransactionAsync } from '../substrate/substrate-api';
+import {
+  createCollectionExpectSuccess,
+  createItemExpectSuccess,
+} from '../util/helpers';
+
+chai.use(chaiAsPromised);
+const expect = chai.expect;
+let Alice: IKeyringPair;
+let Bob: IKeyringPair;
+let Ferdie: IKeyringPair;
+
+before(async () => {
+  await usingApi(async () => {
+    Alice = privateKey('//Alice');
+    Bob = privateKey('//Bob');
+    Ferdie = privateKey('//Ferdie');
+  });
+});
+
+describe('Admin vs Owner take token: ', () => {
+  // tslint:disable-next-line: max-line-length
+  it('The collection admin burns the token and in the same block the token owner performs a transaction on it ', async () => {
+    await usingApi(async (api) => {
+      const collectionId = await createCollectionExpectSuccess();
+      const changeAdminTx = api.tx.nft.addCollectionAdmin(collectionId, Bob.address);
+      await submitTransactionAsync(Alice, changeAdminTx);
+      const timeoutPromise = (timeout: number) => new Promise((resolve) => setTimeout(resolve, timeout));
+      const itemId = await createItemExpectSuccess(Bob, collectionId, 'NFT');
+      //
+      const sendItem = api.tx.nft.transfer(Ferdie.address, collectionId, itemId, 1);
+      const burnItem = api.tx.nft.burnItem(collectionId, itemId, 1);
+      await Promise.all([
+        sendItem.signAndSend(Bob),
+        burnItem.signAndSend(Alice),
+      ]);
+      await timeoutPromise(10000);
+      let itemBurn = false;
+      itemBurn = (await (api.query.nft.nftItemList(collectionId, itemId))).toJSON() as boolean;
+      // tslint:disable-next-line: no-unused-expression
+      expect(itemBurn).to.be.null;
+      await timeoutPromise(20000);
+    });
+  });
+});
modifiedtests/src/collision-tests/adminDestroyCollection.test.tsdiffbeforeafterboth
--- a/tests/src/collision-tests/adminDestroyCollection.test.ts
+++ b/tests/src/collision-tests/adminDestroyCollection.test.ts
@@ -1,35 +1,23 @@
 import { IKeyringPair } from '@polkadot/types/types';
-import BN from 'bn.js';
 import chai from 'chai';
 import chaiAsPromised from 'chai-as-promised';
 import privateKey from '../substrate/privateKey';
-import usingApi, { submitTransactionAsync, submitTransactionExpectFailAsync } from '../substrate/substrate-api';
+import usingApi, { submitTransactionAsync } from '../substrate/substrate-api';
 import {
   createCollectionExpectSuccess,
 } from '../util/helpers';
 
 chai.use(chaiAsPromised);
 const expect = chai.expect;
-interface ITokenDataType {
-  Owner: number[];
-  ConstData: number[];
-  VariableData: number[];
-}
 let Alice: IKeyringPair;
 let Bob: IKeyringPair;
 let Ferdie: IKeyringPair;
-let Charlie: IKeyringPair;
-let Eve: IKeyringPair;
-let Dave: IKeyringPair;
 
 before(async () => {
   await usingApi(async () => {
     Alice = privateKey('//Alice');
     Bob = privateKey('//Bob');
     Ferdie = privateKey('//Ferdie');
-    Charlie = privateKey('//Charlie');
-    Eve = privateKey('//Eve');
-    Dave = privateKey('//Dave');
   });
 });
 
@@ -45,13 +33,12 @@
       //
       const addWhitelistAdm = api.tx.nft.addToWhiteList(collectionId, Ferdie.address);
       const destroyCollection = api.tx.nft.destroyCollection(collectionId);
-      await Promise.all
-      ([
+      await Promise.all([
         addWhitelistAdm.signAndSend(Bob),
         destroyCollection.signAndSend(Alice),
       ]);
       await timeoutPromise(10000);
-      let whiteList: boolean = false;
+      let whiteList = false;
       whiteList = (await api.query.nft.whiteList(collectionId, Ferdie.address)).toJSON() as boolean;
       // tslint:disable-next-line: no-unused-expression
       expect(whiteList).to.be.false;
modifiedtests/src/collision-tests/adminLimitsOff.test.tsdiffbeforeafterboth
--- a/tests/src/collision-tests/adminLimitsOff.test.ts
+++ b/tests/src/collision-tests/adminLimitsOff.test.ts
@@ -10,11 +10,6 @@
 
 chai.use(chaiAsPromised);
 const expect = chai.expect;
-interface ITokenDataType {
-  Owner: number[];
-  ConstData: number[];
-  VariableData: number[];
-}
 let Alice: IKeyringPair;
 let Bob: IKeyringPair;
 let Ferdie: IKeyringPair;
@@ -51,11 +46,9 @@
       await submitTransactionAsync(Alice, changeAdminTx3);
 
       const timeoutPromise = (timeout: number) => new Promise((resolve) => setTimeout(resolve, timeout));
-      //
       const addAdmOne = api.tx.nft.addCollectionAdmin(collectionId, Ferdie.address);
       const addAdmTwo = api.tx.nft.addCollectionAdmin(collectionId, Charlie.address);
-      await Promise.all
-      ([
+      await Promise.all([
         addAdmOne.signAndSend(Bob),
         addAdmTwo.signAndSend(Alice),
       ]);
modifiedtests/src/collision-tests/adminRightsOff.test.tsdiffbeforeafterboth
--- a/tests/src/collision-tests/adminRightsOff.test.ts
+++ b/tests/src/collision-tests/adminRightsOff.test.ts
@@ -3,33 +3,20 @@
 import chai from 'chai';
 import chaiAsPromised from 'chai-as-promised';
 import privateKey from '../substrate/privateKey';
-import usingApi, { submitTransactionAsync, submitTransactionExpectFailAsync } from '../substrate/substrate-api';
+import usingApi, { submitTransactionAsync } from '../substrate/substrate-api';
 import {
   createCollectionExpectSuccess,
 } from '../util/helpers';
 
 chai.use(chaiAsPromised);
 const expect = chai.expect;
-interface ITokenDataType {
-  Owner: number[];
-  ConstData: number[];
-  VariableData: number[];
-}
 let Alice: IKeyringPair;
 let Bob: IKeyringPair;
-let Ferdie: IKeyringPair;
-let Charlie: IKeyringPair;
-let Eve: IKeyringPair;
-let Dave: IKeyringPair;
 
 before(async () => {
   await usingApi(async () => {
     Alice = privateKey('//Alice');
     Bob = privateKey('//Bob');
-    Ferdie = privateKey('//Ferdie');
-    Charlie = privateKey('//Charlie');
-    Eve = privateKey('//Eve');
-    Dave = privateKey('//Dave');
   });
 });
 
@@ -42,12 +29,10 @@
       await submitTransactionAsync(Alice, changeAdminTx);
       const timeoutPromise = (timeout: number) => new Promise((resolve) => setTimeout(resolve, timeout));
       await timeoutPromise(10000);
-      //
       const args = [{ nft: ['0x31', '0x31'] }, { nft: ['0x32', '0x32'] }, { nft: ['0x33', '0x33'] }];
       const addItemAdm = api.tx.nft.createMultipleItems(collectionId, Bob.address, args);
       const removeAdm = api.tx.nft.removeCollectionAdmin(collectionId, Bob.address);
-      await Promise.all
-      ([
+      await Promise.all([
         addItemAdm.signAndSend(Bob),
         removeAdm.signAndSend(Alice),
       ]);
modifiedtests/src/collision-tests/setSponsorNewOwner.test.tsdiffbeforeafterboth
--- a/tests/src/collision-tests/setSponsorNewOwner.test.ts
+++ b/tests/src/collision-tests/setSponsorNewOwner.test.ts
@@ -1,20 +1,14 @@
 import { IKeyringPair } from '@polkadot/types/types';
-import BN from 'bn.js';
 import chai from 'chai';
 import chaiAsPromised from 'chai-as-promised';
 import privateKey from '../substrate/privateKey';
-import usingApi, { submitTransactionAsync, submitTransactionExpectFailAsync } from '../substrate/substrate-api';
+import usingApi from '../substrate/substrate-api';
 import {
-  createCollectionExpectSuccess, createItemExpectSuccess, setCollectionSponsorExpectSuccess,
+  createCollectionExpectSuccess, setCollectionSponsorExpectSuccess,
 } from '../util/helpers';
 
 chai.use(chaiAsPromised);
 const expect = chai.expect;
-interface ITokenDataType {
-  Owner: number[];
-  ConstData: number[];
-  VariableData: number[];
-}
 let Alice: IKeyringPair;
 let Bob: IKeyringPair;
 let Ferdie: IKeyringPair;
@@ -35,11 +29,9 @@
       await setCollectionSponsorExpectSuccess(collectionId, Bob.address);
       const timeoutPromise = (timeout: number) => new Promise((resolve) => setTimeout(resolve, timeout));
       await timeoutPromise(10000);
-      //
       const confirmSponsorship = api.tx.nft.confirmSponsorship(collectionId);
       const changeCollectionOwner = api.tx.nft.changeCollectionOwner(collectionId, Ferdie.address);
-      await Promise.all
-      ([
+      await Promise.all([
         confirmSponsorship.signAndSend(Bob),
         changeCollectionOwner.signAndSend(Alice),
       ]);
modifiedtests/src/collision-tests/sponsorPayments.test.tsdiffbeforeafterboth
--- a/tests/src/collision-tests/sponsorPayments.test.ts
+++ b/tests/src/collision-tests/sponsorPayments.test.ts
@@ -1,58 +1,54 @@
-import { IKeyringPair } from '@polkadot/types/types';
-import chai from 'chai';
-import chaiAsPromised from 'chai-as-promised';
-import { alicesPublicKey, bobsPublicKey } from '../accounts';
-import getBalance from '../substrate/get-balance';
-import privateKey from '../substrate/privateKey';
-import usingApi, { submitTransactionAsync } from '../substrate/substrate-api';
-import waitNewBlocks from '../substrate/wait-new-blocks';
-import {
-  confirmSponsorshipExpectSuccess,
-  createCollectionExpectSuccess,
-  createItemExpectSuccess,
-  setCollectionSponsorExpectSuccess,
-} from '../util/helpers';
-
-chai.use(chaiAsPromised);
-const expect = chai.expect;
-let Alice: IKeyringPair;
-let Bob: IKeyringPair;
-let Ferdie: IKeyringPair;
-
-before(async () => {
-  await usingApi(async () => {
-    Alice = privateKey('//Alice');
-    Bob = privateKey('//Bob');
-    Ferdie = privateKey('//Ferdie');
-  });
-});
-
-describe('Payment of commission if one block: ', () => {
-  // tslint:disable-next-line: max-line-length
-  it('Payment of commission if one block contains transactions for payment from the sponsor\'s balance and his (sponsor\'s) exclusion from the collection ', async () => {
-    await usingApi(async (api) => {
-      const collectionId = await createCollectionExpectSuccess();
-      const changeAdminTxBob = api.tx.nft.addCollectionAdmin(collectionId, Bob.address);
-      await submitTransactionAsync(Alice, changeAdminTxBob);
-      const timeoutPromise = (timeout: number) => new Promise((resolve) => setTimeout(resolve, timeout));
-      const itemId = await createItemExpectSuccess(Bob, collectionId, 'NFT');
-      await setCollectionSponsorExpectSuccess(collectionId, Bob.address);
-      await confirmSponsorshipExpectSuccess(collectionId, '//Bob');
-      //
-      const [alicesBalanceBefore, bobsBalanceBefore] = await getBalance(api, [alicesPublicKey, bobsPublicKey]);
-      const sendItem = api.tx.nft.transfer(Alice.address, collectionId, itemId, 1);
-      const revokeSponsor = api.tx.nft.removeCollectionSponsor(collectionId);
-      await Promise.all
-      ([
-        sendItem.signAndSend(Bob),
-        revokeSponsor.signAndSend(Alice),
-      ]);
-      const [alicesBalanceAfter, bobsBalanceAfter] = await getBalance(api, [alicesPublicKey, bobsPublicKey]);
-      // tslint:disable-next-line:no-unused-expression
-      expect(alicesBalanceAfter === alicesBalanceBefore).to.be.true;
-      // tslint:disable-next-line:no-unused-expression
-      expect(bobsBalanceAfter === bobsBalanceBefore).to.be.true;
-      await timeoutPromise(20000);
-    });
-  });
-});
+import { IKeyringPair } from '@polkadot/types/types';
+import chai from 'chai';
+import chaiAsPromised from 'chai-as-promised';
+import { alicesPublicKey, bobsPublicKey } from '../accounts';
+import getBalance from '../substrate/get-balance';
+import privateKey from '../substrate/privateKey';
+import usingApi, { submitTransactionAsync } from '../substrate/substrate-api';
+import {
+  confirmSponsorshipExpectSuccess,
+  createCollectionExpectSuccess,
+  createItemExpectSuccess,
+  setCollectionSponsorExpectSuccess,
+} from '../util/helpers';
+
+chai.use(chaiAsPromised);
+const expect = chai.expect;
+let Alice: IKeyringPair;
+let Bob: IKeyringPair;
+
+before(async () => {
+  await usingApi(async () => {
+    Alice = privateKey('//Alice');
+    Bob = privateKey('//Bob');
+  });
+});
+
+describe('Payment of commission if one block: ', () => {
+  // tslint:disable-next-line: max-line-length
+  it('Payment of commission if one block contains transactions for payment from the sponsor\'s balance and his (sponsor\'s) exclusion from the collection ', async () => {
+    await usingApi(async (api) => {
+      const collectionId = await createCollectionExpectSuccess();
+      const changeAdminTxBob = api.tx.nft.addCollectionAdmin(collectionId, Bob.address);
+      await submitTransactionAsync(Alice, changeAdminTxBob);
+      const timeoutPromise = (timeout: number) => new Promise((resolve) => setTimeout(resolve, timeout));
+      const itemId = await createItemExpectSuccess(Bob, collectionId, 'NFT');
+      await setCollectionSponsorExpectSuccess(collectionId, Bob.address);
+      await confirmSponsorshipExpectSuccess(collectionId, '//Bob');
+
+      const [alicesBalanceBefore, bobsBalanceBefore] = await getBalance(api, [alicesPublicKey, bobsPublicKey]);
+      const sendItem = api.tx.nft.transfer(Alice.address, collectionId, itemId, 1);
+      const revokeSponsor = api.tx.nft.removeCollectionSponsor(collectionId);
+      await Promise.all([
+        sendItem.signAndSend(Bob),
+        revokeSponsor.signAndSend(Alice),
+      ]);
+      const [alicesBalanceAfter, bobsBalanceAfter] = await getBalance(api, [alicesPublicKey, bobsPublicKey]);
+      // tslint:disable-next-line:no-unused-expression
+      expect(alicesBalanceAfter === alicesBalanceBefore).to.be.true;
+      // tslint:disable-next-line:no-unused-expression
+      expect(bobsBalanceAfter === bobsBalanceBefore).to.be.true;
+      await timeoutPromise(20000);
+    });
+  });
+});
modifiedtests/src/collision-tests/tokenLimitsOff.test.tsdiffbeforeafterboth
--- a/tests/src/collision-tests/tokenLimitsOff.test.ts
+++ b/tests/src/collision-tests/tokenLimitsOff.test.ts
@@ -13,11 +13,6 @@
 
 chai.use(chaiAsPromised);
 const expect = chai.expect;
-interface ITokenDataType {
-  Owner: number[];
-  ConstData: number[];
-  VariableData: number[];
-}
 let Alice: IKeyringPair;
 let Bob: IKeyringPair;
 let Ferdie: IKeyringPair;
@@ -63,14 +58,13 @@
       expect(subTxTesult.success).to.be.true;
       const timeoutPromise = (timeout: number) => new Promise((resolve) => setTimeout(resolve, timeout));
       await timeoutPromise(10000);
-      //
+
       const args = [{ nft: ['0x31', '0x31'] }, { nft: ['0x32', '0x32'] }, { nft: ['0x33', '0x33'] }];
       const mintItemOne = api.tx.nft
         .createMultipleItems(collectionId, Ferdie.address, args);
       const mintItemTwo = api.tx.nft
         .createMultipleItems(collectionId, Bob.address, args);
-      await Promise.all
-      ([
+      await Promise.all([
         mintItemOne.signAndSend(Ferdie),
         mintItemTwo.signAndSend(Bob),
       ]);
modifiedtests/src/collision-tests/turnsOffMinting.test.tsdiffbeforeafterboth
--- a/tests/src/collision-tests/turnsOffMinting.test.ts
+++ b/tests/src/collision-tests/turnsOffMinting.test.ts
@@ -1,50 +1,46 @@
-import { IKeyringPair } from '@polkadot/types/types';
-import chai from 'chai';
-import chaiAsPromised from 'chai-as-promised';
-import privateKey from '../substrate/privateKey';
-import usingApi, { submitTransactionAsync } from '../substrate/substrate-api';
-import waitNewBlocks from '../substrate/wait-new-blocks';
-import {
-  addToWhiteListExpectSuccess,
-  createCollectionExpectSuccess,
-  setMintPermissionExpectSuccess,
-} from '../util/helpers';
-
-chai.use(chaiAsPromised);
-const expect = chai.expect;
-let Alice: IKeyringPair;
-let Bob: IKeyringPair;
-let Ferdie: IKeyringPair;
-
-before(async () => {
-  await usingApi(async () => {
-    Alice = privateKey('//Alice');
-    Bob = privateKey('//Bob');
-    Ferdie = privateKey('//Ferdie');
-  });
-});
-
-describe('Turns off minting mode: ', () => {
-  // tslint:disable-next-line: max-line-length
-  it('The collection owner turns off minting mode and there are minting transactions in the same block ', async () => {
-    await usingApi(async (api) => {
-      const collectionId = await createCollectionExpectSuccess();
-      const timeoutPromise = (timeout: number) => new Promise((resolve) => setTimeout(resolve, timeout));
-      await setMintPermissionExpectSuccess(Alice, collectionId, true);
-      await addToWhiteListExpectSuccess(Alice, collectionId, Ferdie.address);
-      //
-      const mintItem = api.tx.nft.createItem(collectionId, Ferdie.address, 'NFT');
-      const offMinting = api.tx.nft.setMintPermission(collectionId, false);
-      await Promise.all
-      ([
-        mintItem.signAndSend(Ferdie),
-        offMinting.signAndSend(Alice),
-      ]);
-      let itemList: boolean = false;
-      itemList = (await (api.query.nft.nftItemList(collectionId, mintItem))).toJSON() as boolean;
-      // tslint:disable-next-line: no-unused-expression
-      expect(itemList).to.be.null;
-      await timeoutPromise(20000);
-    });
-  });
-});
+import { IKeyringPair } from '@polkadot/types/types';
+import chai from 'chai';
+import chaiAsPromised from 'chai-as-promised';
+import privateKey from '../substrate/privateKey';
+import usingApi from '../substrate/substrate-api';
+import {
+  addToWhiteListExpectSuccess,
+  createCollectionExpectSuccess,
+  setMintPermissionExpectSuccess,
+} from '../util/helpers';
+
+chai.use(chaiAsPromised);
+const expect = chai.expect;
+let Alice: IKeyringPair;
+let Ferdie: IKeyringPair;
+
+before(async () => {
+  await usingApi(async () => {
+    Alice = privateKey('//Alice');
+    Ferdie = privateKey('//Ferdie');
+  });
+});
+
+describe('Turns off minting mode: ', () => {
+  // tslint:disable-next-line: max-line-length
+  it('The collection owner turns off minting mode and there are minting transactions in the same block ', async () => {
+    await usingApi(async (api) => {
+      const collectionId = await createCollectionExpectSuccess();
+      const timeoutPromise = (timeout: number) => new Promise((resolve) => setTimeout(resolve, timeout));
+      await setMintPermissionExpectSuccess(Alice, collectionId, true);
+      await addToWhiteListExpectSuccess(Alice, collectionId, Ferdie.address);
+
+      const mintItem = api.tx.nft.createItem(collectionId, Ferdie.address, 'NFT');
+      const offMinting = api.tx.nft.setMintPermission(collectionId, false);
+      await Promise.all([
+        mintItem.signAndSend(Ferdie),
+        offMinting.signAndSend(Alice),
+      ]);
+      let itemList = false;
+      itemList = (await (api.query.nft.nftItemList(collectionId, mintItem))).toJSON() as boolean;
+      // tslint:disable-next-line: no-unused-expression
+      expect(itemList).to.be.null;
+      await timeoutPromise(20000);
+    });
+  });
+});
modifiedtests/src/config.tsdiffbeforeafterboth
--- a/tests/src/config.ts
+++ b/tests/src/config.ts
@@ -6,7 +6,7 @@
 import process from 'process';
 
 const config = {
-  substrateUrl: process.env.substrateUrl || 'ws://127.0.0.1:9944'
-}
+  substrateUrl: process.env.substrateUrl || 'ws://127.0.0.1:9844',
+};
 
 export default config;
\ No newline at end of file
modifiedtests/src/config_docker.tsdiffbeforeafterboth
--- a/tests/src/config_docker.ts
+++ b/tests/src/config_docker.ts
@@ -6,7 +6,7 @@
 import process from 'process';
 
 const config = {
-  substrateUrl: process.env.substrateUrl || 'ws://172.17.0.1:9944'
-}
+  substrateUrl: process.env.substrateUrl || 'ws://172.17.0.1:9944',
+};
 
 export default config;
\ No newline at end of file
modifiedtests/src/confirmSponsorship.test.tsdiffbeforeafterboth
--- a/tests/src/confirmSponsorship.test.ts
+++ b/tests/src/confirmSponsorship.test.ts
@@ -5,12 +5,11 @@
 
 import chai from 'chai';
 import chaiAsPromised from 'chai-as-promised';
-import { default as usingApi, submitTransactionAsync, submitTransactionExpectFailAsync } from "./substrate/substrate-api";
+import { default as usingApi, submitTransactionAsync, submitTransactionExpectFailAsync } from './substrate/substrate-api';
 import { 
   createCollectionExpectSuccess, 
   setCollectionSponsorExpectSuccess, 
   destroyCollectionExpectSuccess, 
-  setCollectionSponsorExpectFailure,
   confirmSponsorshipExpectSuccess,
   confirmSponsorshipExpectFailure,
   createItemExpectSuccess,
@@ -20,10 +19,9 @@
   enablePublicMintingExpectSuccess,
   addToWhiteListExpectSuccess,
   normalizeAccountId,
-} from "./util/helpers";
-import { Keyring } from "@polkadot/api";
-import { IKeyringPair } from "@polkadot/types/types";
-import type { AccountId } from '@polkadot/types/interfaces';
+} from './util/helpers';
+import { Keyring } from '@polkadot/api';
+import { IKeyringPair } from '@polkadot/types/types';
 import { BigNumber } from 'bignumber.js';
 
 chai.use(chaiAsPromised);
@@ -36,11 +34,11 @@
 describe('integration test: ext. confirmSponsorship():', () => {
 
   before(async () => {
-    await usingApi(async (api) => {
+    await usingApi(async () => {
       const keyring = new Keyring({ type: 'sr25519' });
-      alice = keyring.addFromUri(`//Alice`);
-      bob = keyring.addFromUri(`//Bob`);
-      charlie = keyring.addFromUri(`//Charlie`);
+      alice = keyring.addFromUri('//Alice');
+      bob = keyring.addFromUri('//Bob');
+      charlie = keyring.addFromUri('//Charlie');
     });
   });
 
@@ -163,7 +161,7 @@
       await addToWhiteListExpectSuccess(alice, collectionId, zeroBalance.address);
 
       // Mint token using unused address as signer
-      const tokenId = await createItemExpectSuccess(zeroBalance, collectionId, 'NFT', zeroBalance.address);
+      await createItemExpectSuccess(zeroBalance, collectionId, 'NFT', zeroBalance.address);
 
       const BsponsorBalance = new BigNumber((await api.query.system.account(bob.address)).data.free.toString());
 
@@ -195,7 +193,7 @@
       const badTransaction = async function () { 
         await submitTransactionExpectFailAsync(zeroBalance, zeroToAlice);
       };
-      await expect(badTransaction()).to.be.rejectedWith("Inability to pay some fees");
+      await expect(badTransaction()).to.be.rejectedWith('Inability to pay some fees');
       const BsponsorBalance = new BigNumber((await api.query.system.account(bob.address)).data.free.toString());
 
       // Try again after Zero gets some balance - now it should succeed
@@ -228,11 +226,7 @@
       const result1 = getGenericResult(events1);
 
       const AsponsorBalance = new BigNumber((await api.query.system.account(bob.address)).data.free.toString());
-
-      const badTransaction = async function () { 
-        await submitTransactionExpectFailAsync(zeroBalance, zeroToAlice);
-      };
-
+      await submitTransactionExpectFailAsync(zeroBalance, zeroToAlice);
       const BsponsorBalance = new BigNumber((await api.query.system.account(bob.address)).data.free.toString());
 
       // Try again after Zero gets some balance - now it should succeed
@@ -271,7 +265,7 @@
       const badTransaction = async function () { 
         await submitTransactionExpectFailAsync(zeroBalance, zeroToAlice);
       };
-      await expect(badTransaction()).to.be.rejectedWith("Inability to pay some fees");
+      await expect(badTransaction()).to.be.rejectedWith('Inability to pay some fees');
       const BsponsorBalance = new BigNumber((await api.query.system.account(bob.address)).data.free.toString());
 
       // Try again after Zero gets some balance - now it should succeed
@@ -317,7 +311,7 @@
       const badTransaction = async function () { 
         await createItemExpectSuccess(zeroBalance, collectionId, 'NFT', zeroBalance.address);
       };
-      await expect(badTransaction()).to.be.rejectedWith("Inability to pay some fees");
+      await expect(badTransaction()).to.be.rejectedWith('Inability to pay some fees');
       console.error = consoleError;
       console.log = consoleLog;
       const BsponsorBalance = new BigNumber((await api.query.system.account(bob.address)).data.free.toString());
@@ -335,19 +329,19 @@
 
 describe('(!negative test!) integration test: ext. removeCollectionSponsor():', () => {
   before(async () => {
-    await usingApi(async (api) => {
+    await usingApi(async () => {
       const keyring = new Keyring({ type: 'sr25519' });
-      alice = keyring.addFromUri(`//Alice`);
-      bob = keyring.addFromUri(`//Bob`);
-      charlie = keyring.addFromUri(`//Charlie`);
+      alice = keyring.addFromUri('//Alice');
+      bob = keyring.addFromUri('//Bob');
+      charlie = keyring.addFromUri('//Charlie');
     });
   });
 
   it('(!negative test!) Confirm sponsorship for a collection that never existed', async () => {
     // Find the collection that never existed
-    const collectionId = 0;
+    let collectionId = 0;
     await usingApi(async (api) => {
-      const collectionId = parseInt((await api.query.nft.createdCollectionCount()).toString()) + 1;
+      collectionId = parseInt((await api.query.nft.createdCollectionCount()).toString()) + 1;
     });
 
     await confirmSponsorshipExpectFailure(collectionId, '//Bob');
modifiedtests/src/connection.test.tsdiffbeforeafterboth
--- a/tests/src/connection.test.ts
+++ b/tests/src/connection.test.ts
@@ -3,7 +3,7 @@
 // file 'LICENSE', which is part of this source code package.
 //
 
-import usingApi from "./substrate/substrate-api";
+import usingApi from './substrate/substrate-api';
 import { WsProvider } from '@polkadot/api';
 import * as chai from 'chai';
 import chaiAsPromised from 'chai-as-promised';
@@ -29,7 +29,7 @@
     const neverConnectProvider = new WsProvider('ws://255.255.255.255:9944');
     await expect((async () => {
       await usingApi(async api => {
-        const health = await api.rpc.system.health();
+        await api.rpc.system.health();
       }, { provider: neverConnectProvider });
     })()).to.be.eventually.rejected;
 
modifiedtests/src/contracts.test.tsdiffbeforeafterboth
--- a/tests/src/contracts.test.ts
+++ b/tests/src/contracts.test.ts
@@ -3,17 +3,17 @@
 // file 'LICENSE', which is part of this source code package.
 //
 
-import chai from "chai";
+import chai from 'chai';
 import chaiAsPromised from 'chai-as-promised';
-import usingApi, { submitTransactionAsync, submitTransactionExpectFailAsync } from "./substrate/substrate-api";
-import fs from "fs";
-import { Abi, ContractPromise as Contract } from "@polkadot/api-contract";
-import privateKey from "./substrate/privateKey";
+import usingApi, { submitTransactionAsync } from './substrate/substrate-api';
+import fs from 'fs';
+import { Abi, ContractPromise as Contract } from '@polkadot/api-contract';
+import privateKey from './substrate/privateKey';
 import {
   deployFlipper,
   getFlipValue,
   deployTransferContract,
-} from "./util/contracthelpers";
+} from './util/contracthelpers';
 
 import {
   addToWhiteListExpectSuccess,
@@ -25,8 +25,8 @@
   getGenericResult,
   normalizeAccountId,
   isWhitelisted,
-  transferFromExpectSuccess
-} from "./util/helpers";
+  transferFromExpectSuccess,
+} from './util/helpers';
 
 
 chai.use(chaiAsPromised);
@@ -37,12 +37,12 @@
 const marketContractAddress = '5CYN9j3YvRkqxewoxeSvRbhAym4465C57uMmX5j4yz99L5H6';
 
 describe('Contracts', () => {
-  it(`Can deploy smart contract Flipper, instantiate it and call it's get and flip messages.`, async () => {
+  it('Can deploy smart contract Flipper, instantiate it and call it\'s get and flip messages.', async () => {
     await usingApi(async api => {
       const [contract, deployer] = await deployFlipper(api);
       const initialGetResponse = await getFlipValue(contract, deployer);
 
-      const bob = privateKey("//Bob");
+      const bob = privateKey('//Bob');
       const flip = contract.tx.flip(value, gasLimit);
       await submitTransactionAsync(bob, flip);
 
@@ -65,13 +65,13 @@
 describe.only('Chain extensions', () => {
   it('Transfer CE', async () => {
     await usingApi(async api => {
-      const alice = privateKey("//Alice");
-      const bob = privateKey("//Bob");
+      const alice = privateKey('//Alice');
+      const bob = privateKey('//Bob');
 
       // Prep work
       const collectionId = await createCollectionExpectSuccess();
       const tokenId = await createItemExpectSuccess(alice, collectionId, 'NFT');
-      const [contract, deployer] = await deployTransferContract(api);
+      const [contract] = await deployTransferContract(api);
       const changeAdminTx = api.tx.nft.addCollectionAdmin(collectionId, contract.address);
       await submitTransactionAsync(alice, changeAdminTx);
 
@@ -96,7 +96,7 @@
       const bob = privateKey('//Bob');
 
       const collectionId = await createCollectionExpectSuccess();
-      const [contract, deployer] = await deployTransferContract(api);
+      const [contract] = await deployTransferContract(api);
       await enablePublicMintingExpectSuccess(alice, collectionId);
       await enableWhiteListExpectSuccess(alice, collectionId);
       await addToWhiteListExpectSuccess(alice, collectionId, contract.address);
@@ -124,7 +124,7 @@
       const bob = privateKey('//Bob');
 
       const collectionId = await createCollectionExpectSuccess();
-      const [contract, deployer] = await deployTransferContract(api);
+      const [contract] = await deployTransferContract(api);
       await enablePublicMintingExpectSuccess(alice, collectionId);
       await enableWhiteListExpectSuccess(alice, collectionId);
       await addToWhiteListExpectSuccess(alice, collectionId, contract.address);
@@ -133,7 +133,7 @@
       const transferTx = contract.tx.createMultipleItems(value, gasLimit, bob.address, collectionId, [
         { Nft: { const_data: '0x010203', variable_data: '0x020304' } },
         { Nft: { const_data: '0x010204', variable_data: '0x020305' } },
-        { Nft: { const_data: '0x010205', variable_data: '0x020306' } }
+        { Nft: { const_data: '0x010205', variable_data: '0x020306' } },
       ]);
       const events = await submitTransactionAsync(alice, transferTx);
       const result = getGenericResult(events);
@@ -169,7 +169,7 @@
       const charlie = privateKey('//Charlie');
 
       const collectionId = await createCollectionExpectSuccess();
-      const [contract, deployer] = await deployTransferContract(api);
+      const [contract] = await deployTransferContract(api);
       const tokenId = await createItemExpectSuccess(alice, collectionId, 'NFT', contract.address.toString());
 
       const transferTx = contract.tx.approve(value, gasLimit, bob.address, collectionId, tokenId, 1);
@@ -188,7 +188,7 @@
       const charlie = privateKey('//Charlie');
 
       const collectionId = await createCollectionExpectSuccess();
-      const [contract, deployer] = await deployTransferContract(api);
+      const [contract] = await deployTransferContract(api);
       const tokenId = await createItemExpectSuccess(alice, collectionId, 'NFT', bob.address);
       await approveExpectSuccess(collectionId, tokenId, bob, contract.address.toString(), 1);
 
@@ -197,7 +197,7 @@
       const result = getGenericResult(events);
       expect(result.success).to.be.true;
 
-      const token: any = (await api.query.nft.nftItemList(collectionId, tokenId) as any).unwrap()
+      const token: any = (await api.query.nft.nftItemList(collectionId, tokenId) as any).unwrap();
       expect(token.Owner.toString()).to.be.equal(charlie.address);
     });
   });
@@ -207,7 +207,7 @@
       const alice = privateKey('//Alice');
 
       const collectionId = await createCollectionExpectSuccess();
-      const [contract, deployer] = await deployTransferContract(api);
+      const [contract] = await deployTransferContract(api);
       const tokenId = await createItemExpectSuccess(alice, collectionId, 'NFT', contract.address.toString());
 
       const transferTx = contract.tx.setVariableMetaData(value, gasLimit, collectionId, tokenId, '0x121314');
@@ -215,7 +215,7 @@
       const result = getGenericResult(events);
       expect(result.success).to.be.true;
 
-      const token: any = (await api.query.nft.nftItemList(collectionId, tokenId) as any).unwrap()
+      const token: any = (await api.query.nft.nftItemList(collectionId, tokenId) as any).unwrap();
       expect(token.VariableData.toString()).to.be.equal('0x121314');
     });
   });
@@ -226,7 +226,7 @@
       const bob = privateKey('//Bob');
 
       const collectionId = await createCollectionExpectSuccess();
-      const [contract, deployer] = await deployTransferContract(api);
+      const [contract] = await deployTransferContract(api);
       const changeAdminTx = api.tx.nft.addCollectionAdmin(collectionId, contract.address);
       await submitTransactionAsync(alice, changeAdminTx);      
 
modifiedtests/src/createItem.test.tsdiffbeforeafterboth
--- a/tests/src/createItem.test.ts
+++ b/tests/src/createItem.test.ts
@@ -1,39 +1,39 @@
-//
-// This file is subject to the terms and conditions defined in
-// file 'LICENSE', which is part of this source code package.
-//
-
-import { default as usingApi } from './substrate/substrate-api';
-import { Keyring } from "@polkadot/api";
-import { IKeyringPair } from "@polkadot/types/types";
-import { 
-  createCollectionExpectSuccess, 
-  createItemExpectSuccess
-} from './util/helpers';
-
-let alice: IKeyringPair;
-
-describe('integration test: ext. createItem():', () => {
-  before(async () => {
-    await usingApi(async (api) => {
-      const keyring = new Keyring({ type: 'sr25519' });
-      alice = keyring.addFromUri(`//Alice`);
-    });
-  });
-
-  it('Create new item in NFT collection', async () => {
-    const createMode = 'NFT';
-    const newCollectionID = await createCollectionExpectSuccess({mode: {type: createMode}});
-    await createItemExpectSuccess(alice, newCollectionID, createMode);
-  });
-  it('Create new item in Fungible collection', async () => {
-    const createMode = 'Fungible';
-    const newCollectionID = await createCollectionExpectSuccess({mode: {type: createMode, decimalPoints: 0}});
-    await createItemExpectSuccess(alice, newCollectionID, createMode);
-  });
-  it('Create new item in ReFungible collection', async () => {
-    const createMode = 'ReFungible';
-    const newCollectionID = await createCollectionExpectSuccess({mode: {type: createMode}});
-    await createItemExpectSuccess(alice, newCollectionID, createMode);
-  });
-});
+//
+// This file is subject to the terms and conditions defined in
+// file 'LICENSE', which is part of this source code package.
+//
+
+import { default as usingApi } from './substrate/substrate-api';
+import { Keyring } from '@polkadot/api';
+import { IKeyringPair } from '@polkadot/types/types';
+import { 
+  createCollectionExpectSuccess, 
+  createItemExpectSuccess,
+} from './util/helpers';
+
+let alice: IKeyringPair;
+
+describe('integration test: ext. createItem():', () => {
+  before(async () => {
+    await usingApi(async () => {
+      const keyring = new Keyring({ type: 'sr25519' });
+      alice = keyring.addFromUri('//Alice');
+    });
+  });
+
+  it('Create new item in NFT collection', async () => {
+    const createMode = 'NFT';
+    const newCollectionID = await createCollectionExpectSuccess({mode: {type: createMode}});
+    await createItemExpectSuccess(alice, newCollectionID, createMode);
+  });
+  it('Create new item in Fungible collection', async () => {
+    const createMode = 'Fungible';
+    const newCollectionID = await createCollectionExpectSuccess({mode: {type: createMode, decimalPoints: 0}});
+    await createItemExpectSuccess(alice, newCollectionID, createMode);
+  });
+  it('Create new item in ReFungible collection', async () => {
+    const createMode = 'ReFungible';
+    const newCollectionID = await createCollectionExpectSuccess({mode: {type: createMode}});
+    await createItemExpectSuccess(alice, newCollectionID, createMode);
+  });
+});
modifiedtests/src/creditFeesToTreasury.test.tsdiffbeforeafterboth
--- a/tests/src/creditFeesToTreasury.test.ts
+++ b/tests/src/creditFeesToTreasury.test.ts
@@ -5,16 +5,16 @@
 
 import chai from 'chai';
 import chaiAsPromised from 'chai-as-promised';
-import { default as usingApi, submitTransactionAsync, submitTransactionExpectFailAsync } from "./substrate/substrate-api";
-import { alicesPublicKey, bobsPublicKey } from "./accounts";
-import privateKey from "./substrate/privateKey";
+import { default as usingApi, submitTransactionAsync, submitTransactionExpectFailAsync } from './substrate/substrate-api';
+import { alicesPublicKey, bobsPublicKey } from './accounts';
+import privateKey from './substrate/privateKey';
 import { BigNumber } from 'bignumber.js';
 import { IKeyringPair } from '@polkadot/types/types';
 import { 
   createCollectionExpectSuccess, 
   createItemExpectSuccess,
   getGenericResult,
-  transferExpectSuccess
+  transferExpectSuccess,
 } from './util/helpers';
 
 import { default as waitNewBlocks } from './substrate/wait-new-blocks';
@@ -23,7 +23,7 @@
 chai.use(chaiAsPromised);
 const expect = chai.expect;
 
-const Treasury = "5EYCAe5ijiYfyeZ2JJCGq56LmPyNRAKzpG4QkoQkkQNB5e6Z";
+const Treasury = '5EYCAe5ijiYfyeZ2JJCGq56LmPyNRAKzpG4QkoQkkQNB5e6Z';
 const saneMinimumFee = 0.05;
 const saneMaximumFee = 0.5;
 const createCollectionDeposit = 100;
@@ -33,8 +33,9 @@
 
 // Skip the inflation block pauses if the block is close to inflation block 
 // until the inflation happens
+/*eslint no-async-promise-executor: "off"*/
 function skipInflationBlock(api: ApiPromise): Promise<void> {
-  const promise = new Promise<void>(async (resolve, reject) => {
+  const promise = new Promise<void>(async (resolve) => {
     const blockInterval = parseInt((await api.consts.inflation.inflationBlockInterval).toString());
     const unsubscribe = await api.rpc.chain.subscribeNewHeads(head => {
       const currentBlock = parseInt(head.number.toString());
@@ -52,7 +53,7 @@
 
 describe('integration test: Fees must be credited to Treasury:', () => {
   before(async () => {
-    await usingApi(async (api) => {
+    await usingApi(async () => {
       alice = privateKey('//Alice');
       bob = privateKey('//Bob');
     });
modifiedtests/src/destroyCollection.test.tsdiffbeforeafterboth
--- a/tests/src/destroyCollection.test.ts
+++ b/tests/src/destroyCollection.test.ts
@@ -7,8 +7,8 @@
 import chai from 'chai';
 import chaiAsPromised from 'chai-as-promised';
 import privateKey from './substrate/privateKey';
-import { default as usingApi } from "./substrate/substrate-api";
-import { createCollectionExpectSuccess, destroyCollectionExpectSuccess, destroyCollectionExpectFailure, setCollectionLimitsExpectSuccess } from "./util/helpers";
+import { default as usingApi } from './substrate/substrate-api';
+import { createCollectionExpectSuccess, destroyCollectionExpectSuccess, destroyCollectionExpectFailure, setCollectionLimitsExpectSuccess } from './util/helpers';
 
 chai.use(chaiAsPromised);
 
@@ -31,7 +31,7 @@
   let alice: IKeyringPair;
 
   before(async () => {
-    await usingApi(async (api) => {
+    await usingApi(async () => {
       alice = privateKey('//Alice');
     });
   });
modifiedtests/src/enableContractSponsoring.test.tsdiffbeforeafterboth
--- a/tests/src/enableContractSponsoring.test.ts
+++ b/tests/src/enableContractSponsoring.test.ts
@@ -81,7 +81,7 @@
 
   it('fails when called by non-owning user', async () => {
     await usingApi(async (api) => {
-      const [flipper, _] = await deployFlipper(api);
+      const [flipper] = await deployFlipper(api);
 
       await enableContractSponsoringExpectFailure(alice, flipper.address, true);
     });
modifiedtests/src/eth/fungible.test.tsdiffbeforeafterboth
--- a/tests/src/eth/fungible.test.ts
+++ b/tests/src/eth/fungible.test.ts
@@ -1,289 +1,294 @@
-import privateKey from "../substrate/privateKey";
-import { approveExpectSuccess, createCollectionExpectSuccess, createFungibleItemExpectSuccess, transferExpectSuccess, transferFromExpectSuccess } from "../util/helpers";
-import { collectionIdToAddress, createEthAccount, itWeb3, normalizeEvents, recordEvents, subToEth, transferBalanceToEth } from "./util/helpers"
+//
+// This file is subject to the terms and conditions defined in
+// file 'LICENSE', which is part of this source code package.
+//
+
+import privateKey from '../substrate/privateKey';
+import { approveExpectSuccess, createCollectionExpectSuccess, createFungibleItemExpectSuccess, transferExpectSuccess, transferFromExpectSuccess } from '../util/helpers';
+import { collectionIdToAddress, createEthAccount, itWeb3, normalizeEvents, recordEvents, subToEth, transferBalanceToEth } from './util/helpers';
 import fungibleAbi from './fungibleAbi.json';
-import { expect } from "chai";
+import { expect } from 'chai';
 
 describe('Information getting', () => {
-    itWeb3('totalSupply', async ({ web3 }) => {
-        const collection = await createCollectionExpectSuccess({
-            name: 'token name',
-            mode: { type: 'Fungible', decimalPoints: 0 }
-        });
-        const alice = privateKey('//Alice');
+  itWeb3('totalSupply', async ({ web3 }) => {
+    const collection = await createCollectionExpectSuccess({
+      name: 'token name',
+      mode: { type: 'Fungible', decimalPoints: 0 },
+    });
+    const alice = privateKey('//Alice');
 
-        await createFungibleItemExpectSuccess(alice, collection, { Value: 200n }, { substrate: alice.address });
+    await createFungibleItemExpectSuccess(alice, collection, { Value: 200n }, { substrate: alice.address });
 
-        const address = collectionIdToAddress(collection);
-        const contract = new web3.eth.Contract(fungibleAbi as any, address);
-        const totalSupply = await contract.methods.totalSupply().call();
+    const address = collectionIdToAddress(collection);
+    const contract = new web3.eth.Contract(fungibleAbi as any, address);
+    const totalSupply = await contract.methods.totalSupply().call();
+
+    // FIXME: always equals to 0, because this method is not implemented
+    expect(totalSupply).to.equal('0');
+  });
 
-        // FIXME: always equals to 0, because this method is not implemented
-        expect(totalSupply).to.equal('0');
+  itWeb3('balanceOf', async ({ web3 }) => {
+    const collection = await createCollectionExpectSuccess({
+      name: 'token name',
+      mode: { type: 'Fungible', decimalPoints: 0 },
     });
+    const alice = privateKey('//Alice');
 
-    itWeb3('balanceOf', async ({ web3 }) => {
-        const collection = await createCollectionExpectSuccess({
-            name: 'token name',
-            mode: { type: 'Fungible', decimalPoints: 0 }
-        });
-        const alice = privateKey('//Alice');
+    const caller = createEthAccount(web3);
+    await createFungibleItemExpectSuccess(alice, collection, { Value: 200n }, { ethereum: caller });
 
-        const caller = createEthAccount(web3);
-        await createFungibleItemExpectSuccess(alice, collection, { Value: 200n }, { ethereum: caller });
+    const address = collectionIdToAddress(collection);
+    const contract = new web3.eth.Contract(fungibleAbi as any, address);
+    const balance = await contract.methods.balanceOf(caller).call();
 
-        const address = collectionIdToAddress(collection);
-        const contract = new web3.eth.Contract(fungibleAbi as any, address);
-        const balance = await contract.methods.balanceOf(caller).call();
-
-        expect(balance).to.equal('200');
-    });
+    expect(balance).to.equal('200');
+  });
 });
 
 describe('Plain calls', () => {
-    itWeb3('Can perform approve()', async ({ web3, api }) => {
-        const collection = await createCollectionExpectSuccess({
-            name: 'token name',
-            mode: { type: 'Fungible', decimalPoints: 0 }
-        });
-        const alice = privateKey('//Alice');
+  itWeb3('Can perform approve()', async ({ web3, api }) => {
+    const collection = await createCollectionExpectSuccess({
+      name: 'token name',
+      mode: { type: 'Fungible', decimalPoints: 0 },
+    });
+    const alice = privateKey('//Alice');
 
-        const owner = createEthAccount(web3);
-        await transferBalanceToEth(api, alice, owner, 999999999999999);
+    const owner = createEthAccount(web3);
+    await transferBalanceToEth(api, alice, owner, 999999999999999);
 
-        await createFungibleItemExpectSuccess(alice, collection, { Value: 200n }, { ethereum: owner });
+    await createFungibleItemExpectSuccess(alice, collection, { Value: 200n }, { ethereum: owner });
 
-        const spender = createEthAccount(web3);
+    const spender = createEthAccount(web3);
 
-        const address = collectionIdToAddress(collection);
-        const contract = new web3.eth.Contract(fungibleAbi as any, address);
+    const address = collectionIdToAddress(collection);
+    const contract = new web3.eth.Contract(fungibleAbi as any, address);
+
+    {
+      const result = await contract.methods.approve(spender, 100).send({ from: owner, gas: '0x1000000', gasPrice: '0x01' });
+      const events = normalizeEvents(result.events);
 
+      expect(events).to.be.deep.equal([
         {
-            const result = await contract.methods.approve(spender, 100).send({ from: owner, gas: '0x1000000', gasPrice: '0x01' });
-            const events = normalizeEvents(result.events);
+          address,
+          event: 'Approval',
+          args: {
+            owner,
+            spender,
+            value: '100',
+          },
+        },
+      ]);
+    }
 
-            expect(events).to.be.deep.equal([
-                {
-                    address,
-                    event: 'Approval',
-                    args: {
-                        owner,
-                        spender,
-                        value: '100',
-                    }
-                }
-            ]);
-        }
+    {
+      const allowance = await contract.methods.allowance(owner, spender).call();
+      expect(+allowance).to.equal(100);
+    }
+  });
 
-        {
-            const allowance = await contract.methods.allowance(owner, spender).call();
-            expect(+allowance).to.equal(100);
-        }
+  itWeb3('Can perform transferFrom()', async ({ web3, api }) => {
+    const collection = await createCollectionExpectSuccess({
+      name: 'token name',
+      mode: { type: 'Fungible', decimalPoints: 0 },
     });
+    const alice = privateKey('//Alice');
 
-    itWeb3('Can perform transferFrom()', async ({ web3, api }) => {
-        const collection = await createCollectionExpectSuccess({
-            name: 'token name',
-            mode: { type: 'Fungible', decimalPoints: 0 }
-        });
-        const alice = privateKey('//Alice');
-
-        const owner = createEthAccount(web3);
-        await transferBalanceToEth(api, alice, owner, 999999999999999);
+    const owner = createEthAccount(web3);
+    await transferBalanceToEth(api, alice, owner, 999999999999999);
 
-        await createFungibleItemExpectSuccess(alice, collection, { Value: 200n }, { ethereum: owner });
+    await createFungibleItemExpectSuccess(alice, collection, { Value: 200n }, { ethereum: owner });
 
-        const spender = createEthAccount(web3);
-        await transferBalanceToEth(api, alice, spender, 999999999999999);
+    const spender = createEthAccount(web3);
+    await transferBalanceToEth(api, alice, spender, 999999999999999);
 
-        const receiver = createEthAccount(web3);
+    const receiver = createEthAccount(web3);
 
-        const address = collectionIdToAddress(collection);
-        const contract = new web3.eth.Contract(fungibleAbi as any, address);
+    const address = collectionIdToAddress(collection);
+    const contract = new web3.eth.Contract(fungibleAbi as any, address);
 
-        await contract.methods.approve(spender, 100).send({ from: owner, gas: '0x1000000', gasPrice: '0x01' });
+    await contract.methods.approve(spender, 100).send({ from: owner, gas: '0x1000000', gasPrice: '0x01' });
 
+    {
+      const result = await contract.methods.transferFrom(owner, receiver, 49).send({ from: spender, gas: '0x1000000', gasPrice: '0x01' });
+      const events = normalizeEvents(result.events);
+      expect(events).to.be.deep.equal([
         {
-            const result = await contract.methods.transferFrom(owner, receiver, 49).send({ from: spender, gas: '0x1000000', gasPrice: '0x01' });
-            const events = normalizeEvents(result.events);
-            expect(events).to.be.deep.equal([
-                {
-                    address,
-                    event: 'Transfer',
-                    args: {
-                        from: owner,
-                        to: receiver,
-                        value: '49',
-                    }
-                },
-                {
-                    address,
-                    event: 'Approval',
-                    args: {
-                        owner,
-                        spender,
-                        value: '51',
-                    }
-                }
-            ]);
-        }
-
+          address,
+          event: 'Transfer',
+          args: {
+            from: owner,
+            to: receiver,
+            value: '49',
+          },
+        },
         {
-            const balance = await contract.methods.balanceOf(receiver).call();
-            expect(+balance).to.equal(49);
-        }
+          address,
+          event: 'Approval',
+          args: {
+            owner,
+            spender,
+            value: '51',
+          },
+        },
+      ]);
+    }
 
-        {
-            const balance = await contract.methods.balanceOf(owner).call();
-            expect(+balance).to.equal(151);
-        }
-    });
+    {
+      const balance = await contract.methods.balanceOf(receiver).call();
+      expect(+balance).to.equal(49);
+    }
 
-    itWeb3('Can perform transfer()', async ({ web3, api }) => {
-        const collection = await createCollectionExpectSuccess({
-            name: 'token name',
-            mode: { type: 'Fungible', decimalPoints: 0 }
-        });
-        const alice = privateKey('//Alice');
+    {
+      const balance = await contract.methods.balanceOf(owner).call();
+      expect(+balance).to.equal(151);
+    }
+  });
 
-        const owner = createEthAccount(web3);
-        await transferBalanceToEth(api, alice, owner, 999999999999999);
+  itWeb3('Can perform transfer()', async ({ web3, api }) => {
+    const collection = await createCollectionExpectSuccess({
+      name: 'token name',
+      mode: { type: 'Fungible', decimalPoints: 0 },
+    });
+    const alice = privateKey('//Alice');
 
-        await createFungibleItemExpectSuccess(alice, collection, { Value: 200n }, { ethereum: owner });
+    const owner = createEthAccount(web3);
+    await transferBalanceToEth(api, alice, owner, 999999999999999);
 
-        const receiver = createEthAccount(web3);
-        await transferBalanceToEth(api, alice, receiver, 999999999999999);
+    await createFungibleItemExpectSuccess(alice, collection, { Value: 200n }, { ethereum: owner });
 
-        const address = collectionIdToAddress(collection);
-        const contract = new web3.eth.Contract(fungibleAbi as any, address);
+    const receiver = createEthAccount(web3);
+    await transferBalanceToEth(api, alice, receiver, 999999999999999);
 
-        {
-            const result = await contract.methods.transfer(receiver, 50).send({ from: owner, gas: '0x1000000', gasPrice: '0x01' });
-            const events = normalizeEvents(result.events);
-            expect(events).to.be.deep.equal([
-                {
-                    address,
-                    event: 'Transfer',
-                    args: {
-                        from: owner,
-                        to: receiver,
-                        value: '50',
-                    }
-                },
-            ])
-        }
+    const address = collectionIdToAddress(collection);
+    const contract = new web3.eth.Contract(fungibleAbi as any, address);
 
+    {
+      const result = await contract.methods.transfer(receiver, 50).send({ from: owner, gas: '0x1000000', gasPrice: '0x01' });
+      const events = normalizeEvents(result.events);
+      expect(events).to.be.deep.equal([
         {
-            const balance = await contract.methods.balanceOf(owner).call();
-            expect(+balance).to.equal(150);
-        }
+          address,
+          event: 'Transfer',
+          args: {
+            from: owner,
+            to: receiver,
+            value: '50',
+          },
+        },
+      ]);
+    }
+
+    {
+      const balance = await contract.methods.balanceOf(owner).call();
+      expect(+balance).to.equal(150);
+    }
 
-        {
-            const balance = await contract.methods.balanceOf(receiver).call();
-            expect(+balance).to.equal(50);
-        }
-    });
+    {
+      const balance = await contract.methods.balanceOf(receiver).call();
+      expect(+balance).to.equal(50);
+    }
+  });
 });
 
 describe('Substrate calls', () => {
-    itWeb3('Events emitted for approve()', async ({ web3 }) => {
-        const collection = await createCollectionExpectSuccess({
-            mode: { type: 'Fungible', decimalPoints: 0 }
-        });
-        const alice = privateKey('//Alice');
-
-        const receiver = createEthAccount(web3);
+  itWeb3('Events emitted for approve()', async ({ web3 }) => {
+    const collection = await createCollectionExpectSuccess({
+      mode: { type: 'Fungible', decimalPoints: 0 },
+    });
+    const alice = privateKey('//Alice');
 
-        await createFungibleItemExpectSuccess(alice, collection, { Value: 200n });
+    const receiver = createEthAccount(web3);
 
-        const address = collectionIdToAddress(collection);
-        const contract = new web3.eth.Contract(fungibleAbi as any, address);
+    await createFungibleItemExpectSuccess(alice, collection, { Value: 200n });
 
-        const events = await recordEvents(contract, async () => {
-            await approveExpectSuccess(collection, 1, alice, { ethereum: receiver }, 100);
-        });
+    const address = collectionIdToAddress(collection);
+    const contract = new web3.eth.Contract(fungibleAbi as any, address);
 
-        expect(events).to.be.deep.equal([
-            {
-                address,
-                event: 'Approval',
-                args: {
-                    owner: subToEth(alice.address),
-                    spender: receiver,
-                    value: '100',
-                }
-            }
-        ]);
+    const events = await recordEvents(contract, async () => {
+      await approveExpectSuccess(collection, 1, alice, { ethereum: receiver }, 100);
     });
 
-    itWeb3('Events emitted for transferFrom()', async ({ web3 }) => {
-        const collection = await createCollectionExpectSuccess({
-            mode: { type: 'Fungible', decimalPoints: 0 }
-        });
-        const alice = privateKey('//Alice');
-        const bob = privateKey('//Bob');
+    expect(events).to.be.deep.equal([
+      {
+        address,
+        event: 'Approval',
+        args: {
+          owner: subToEth(alice.address),
+          spender: receiver,
+          value: '100',
+        },
+      },
+    ]);
+  });
 
-        const receiver = createEthAccount(web3);
+  itWeb3('Events emitted for transferFrom()', async ({ web3 }) => {
+    const collection = await createCollectionExpectSuccess({
+      mode: { type: 'Fungible', decimalPoints: 0 },
+    });
+    const alice = privateKey('//Alice');
+    const bob = privateKey('//Bob');
 
-        await createFungibleItemExpectSuccess(alice, collection, { Value: 200n });
-        await approveExpectSuccess(collection, 1, alice, bob, 100);
+    const receiver = createEthAccount(web3);
 
-        const address = collectionIdToAddress(collection);
-        const contract = new web3.eth.Contract(fungibleAbi as any, address);
+    await createFungibleItemExpectSuccess(alice, collection, { Value: 200n });
+    await approveExpectSuccess(collection, 1, alice, bob, 100);
 
-        const events = await recordEvents(contract, async () => {
-            await transferFromExpectSuccess(collection, 1, bob, alice, { ethereum: receiver }, 51, 'Fungible');
-        });
+    const address = collectionIdToAddress(collection);
+    const contract = new web3.eth.Contract(fungibleAbi as any, address);
 
-        expect(events).to.be.deep.equal([
-            {
-                address,
-                event: 'Transfer',
-                args: {
-                    from: subToEth(alice.address),
-                    to: receiver,
-                    value: '51',
-                }
-            },
-            {
-                address,
-                event: 'Approval',
-                args: {
-                    owner: subToEth(alice.address),
-                    spender: subToEth(bob.address),
-                    value: '49',
-                }
-            }
-        ]);
+    const events = await recordEvents(contract, async () => {
+      await transferFromExpectSuccess(collection, 1, bob, alice, { ethereum: receiver }, 51, 'Fungible');
     });
 
-    itWeb3('Events emitted for transfer()', async ({ web3 }) => {
-        const collection = await createCollectionExpectSuccess({
-            mode: { type: 'Fungible', decimalPoints: 0 }
-        });
-        const alice = privateKey('//Alice');
+    expect(events).to.be.deep.equal([
+      {
+        address,
+        event: 'Transfer',
+        args: {
+          from: subToEth(alice.address),
+          to: receiver,
+          value: '51',
+        },
+      },
+      {
+        address,
+        event: 'Approval',
+        args: {
+          owner: subToEth(alice.address),
+          spender: subToEth(bob.address),
+          value: '49',
+        },
+      },
+    ]);
+  });
 
-        const receiver = createEthAccount(web3);
+  itWeb3('Events emitted for transfer()', async ({ web3 }) => {
+    const collection = await createCollectionExpectSuccess({
+      mode: { type: 'Fungible', decimalPoints: 0 },
+    });
+    const alice = privateKey('//Alice');
 
-        await createFungibleItemExpectSuccess(alice, collection, { Value: 200n });
+    const receiver = createEthAccount(web3);
 
-        const address = collectionIdToAddress(collection);
-        const contract = new web3.eth.Contract(fungibleAbi as any, address);
+    await createFungibleItemExpectSuccess(alice, collection, { Value: 200n });
 
-        const events = await recordEvents(contract, async () => {
-            await transferExpectSuccess(collection, 1, alice, { ethereum: receiver }, 51, 'Fungible');
-        });
+    const address = collectionIdToAddress(collection);
+    const contract = new web3.eth.Contract(fungibleAbi as any, address);
 
-        expect(events).to.be.deep.equal([
-            {
-                address,
-                event: 'Transfer',
-                args: {
-                    from: subToEth(alice.address),
-                    to: receiver,
-                    value: '51',
-                }
-            },
-        ]);
+    const events = await recordEvents(contract, async () => {
+      await transferExpectSuccess(collection, 1, alice, { ethereum: receiver }, 51, 'Fungible');
     });
+
+    expect(events).to.be.deep.equal([
+      {
+        address,
+        event: 'Transfer',
+        args: {
+          from: subToEth(alice.address),
+          to: receiver,
+          value: '51',
+        },
+      },
+    ]);
+  });
 });
\ No newline at end of file
modifiedtests/src/eth/metadata.test.tsdiffbeforeafterboth
--- a/tests/src/eth/metadata.test.ts
+++ b/tests/src/eth/metadata.test.ts
@@ -1,53 +1,58 @@
-import { expect } from "chai";
-import privateKey from "../substrate/privateKey";
-import { createCollectionExpectSuccess } from "../util/helpers";
-import { collectionIdToAddress, createEthAccount, itWeb3, transferBalanceToEth } from "./util/helpers";
+//
+// This file is subject to the terms and conditions defined in
+// file 'LICENSE', which is part of this source code package.
+//
+
+import { expect } from 'chai';
+import privateKey from '../substrate/privateKey';
+import { createCollectionExpectSuccess } from '../util/helpers';
+import { collectionIdToAddress, createEthAccount, itWeb3, transferBalanceToEth } from './util/helpers';
 import fungibleMetadataAbi from './fungibleMetadataAbi.json';
 
 describe('Common metadata', () => {
-    itWeb3('Returns collection name', async ({ api, web3 }) => {
-        const collection = await createCollectionExpectSuccess({
-            name: 'token name',
-            mode: { type: 'NFT' }
-        });
-        const caller = createEthAccount(web3);
-        await transferBalanceToEth(api, privateKey('//Alice'), caller, 999999);
-
-        const address = collectionIdToAddress(collection);
-        const contract = new web3.eth.Contract(fungibleMetadataAbi as any, address);
-        const name = await contract.methods.name().call({ from: caller });
-
-        expect(name).to.equal('token name');
+  itWeb3('Returns collection name', async ({ api, web3 }) => {
+    const collection = await createCollectionExpectSuccess({
+      name: 'token name',
+      mode: { type: 'NFT' },
     });
+    const caller = createEthAccount(web3);
+    await transferBalanceToEth(api, privateKey('//Alice'), caller, 999999);
 
-    itWeb3('Returns symbol name', async ({ api, web3 }) => {
-        const collection = await createCollectionExpectSuccess({
-            tokenPrefix: 'TOK',
-            mode: { type: 'NFT' }
-        });
-        const caller = createEthAccount(web3);
-        await transferBalanceToEth(api, privateKey('//Alice'), caller, 999999);
+    const address = collectionIdToAddress(collection);
+    const contract = new web3.eth.Contract(fungibleMetadataAbi as any, address);
+    const name = await contract.methods.name().call({ from: caller });
 
-        const address = collectionIdToAddress(collection);
-        const contract = new web3.eth.Contract(fungibleMetadataAbi as any, address);
-        const symbol = await contract.methods.symbol().call({ from: caller });
+    expect(name).to.equal('token name');
+  });
 
-        expect(symbol).to.equal('TOK');
+  itWeb3('Returns symbol name', async ({ api, web3 }) => {
+    const collection = await createCollectionExpectSuccess({
+      tokenPrefix: 'TOK',
+      mode: { type: 'NFT' },
     });
+    const caller = createEthAccount(web3);
+    await transferBalanceToEth(api, privateKey('//Alice'), caller, 999999);
+
+    const address = collectionIdToAddress(collection);
+    const contract = new web3.eth.Contract(fungibleMetadataAbi as any, address);
+    const symbol = await contract.methods.symbol().call({ from: caller });
+
+    expect(symbol).to.equal('TOK');
+  });
 });
 
 describe('Fungible metadata', () => {
-    itWeb3('Returns fungible decimals', async ({ api, web3 }) => {
-        const collection = await createCollectionExpectSuccess({
-            mode: { type: 'Fungible', decimalPoints: 6 }
-        });
-        const caller = createEthAccount(web3);
-        await transferBalanceToEth(api, privateKey('//Alice'), caller, 999999);
+  itWeb3('Returns fungible decimals', async ({ api, web3 }) => {
+    const collection = await createCollectionExpectSuccess({
+      mode: { type: 'Fungible', decimalPoints: 6 },
+    });
+    const caller = createEthAccount(web3);
+    await transferBalanceToEth(api, privateKey('//Alice'), caller, 999999);
 
-        const address = collectionIdToAddress(collection);
-        const contract = new web3.eth.Contract(fungibleMetadataAbi as any, address);
-        const decimals = await contract.methods.decimals().call({ from: caller });
+    const address = collectionIdToAddress(collection);
+    const contract = new web3.eth.Contract(fungibleMetadataAbi as any, address);
+    const decimals = await contract.methods.decimals().call({ from: caller });
 
-        expect(+decimals).to.equal(6);
-    })
-})
\ No newline at end of file
+    expect(+decimals).to.equal(6);
+  });
+});
\ No newline at end of file
modifiedtests/src/eth/nonFungible.test.tsdiffbeforeafterboth
--- a/tests/src/eth/nonFungible.test.ts
+++ b/tests/src/eth/nonFungible.test.ts
@@ -1,280 +1,285 @@
-import privateKey from "../substrate/privateKey";
-import { approveExpectSuccess, createCollectionExpectSuccess, createFungibleItemExpectSuccess, createItemExpectSuccess, transferExpectSuccess, transferFromExpectSuccess } from "../util/helpers";
-import { collectionIdToAddress, createEthAccount, itWeb3, normalizeEvents, recordEvents, subToEth, transferBalanceToEth } from "./util/helpers"
+//
+// This file is subject to the terms and conditions defined in
+// file 'LICENSE', which is part of this source code package.
+//
+
+import privateKey from '../substrate/privateKey';
+import { approveExpectSuccess, createCollectionExpectSuccess, createItemExpectSuccess, transferExpectSuccess, transferFromExpectSuccess } from '../util/helpers';
+import { collectionIdToAddress, createEthAccount, itWeb3, normalizeEvents, recordEvents, subToEth, transferBalanceToEth } from './util/helpers';
 import nonFungibleAbi from './nonFungibleAbi.json';
-import { expect } from "chai";
+import { expect } from 'chai';
 
 describe('Information getting', () => {
-    itWeb3('totalSupply', async ({ web3 }) => {
-        const collection = await createCollectionExpectSuccess({
-            mode: { type: 'NFT' }
-        });
-        const alice = privateKey('//Alice');
+  itWeb3('totalSupply', async ({ web3 }) => {
+    const collection = await createCollectionExpectSuccess({
+      mode: { type: 'NFT' },
+    });
+    const alice = privateKey('//Alice');
+
+    await createItemExpectSuccess(alice, collection, 'NFT', { substrate: alice.address });
 
-        await createItemExpectSuccess(alice, collection, 'NFT', { substrate: alice.address });
+    const address = collectionIdToAddress(collection);
+    const contract = new web3.eth.Contract(nonFungibleAbi as any, address);
+    const totalSupply = await contract.methods.totalSupply().call();
 
-        const address = collectionIdToAddress(collection);
-        const contract = new web3.eth.Contract(nonFungibleAbi as any, address);
-        const totalSupply = await contract.methods.totalSupply().call();
+    // FIXME: always equals to 0, because this method is not implemented
+    expect(totalSupply).to.equal('0');
+  });
 
-        // FIXME: always equals to 0, because this method is not implemented
-        expect(totalSupply).to.equal('0');
+  itWeb3('balanceOf', async ({ web3 }) => {
+    const collection = await createCollectionExpectSuccess({
+      mode: { type: 'NFT' },
     });
+    const alice = privateKey('//Alice');
 
-    itWeb3('balanceOf', async ({ web3 }) => {
-        const collection = await createCollectionExpectSuccess({
-            mode: { type: 'NFT' }
-        });
-        const alice = privateKey('//Alice');
+    const caller = createEthAccount(web3);
+    await createItemExpectSuccess(alice, collection, 'NFT', { ethereum: caller });
+    await createItemExpectSuccess(alice, collection, 'NFT', { ethereum: caller });
+    await createItemExpectSuccess(alice, collection, 'NFT', { ethereum: caller });
 
-        const caller = createEthAccount(web3);
-        await createItemExpectSuccess(alice, collection, 'NFT', { ethereum: caller });
-        await createItemExpectSuccess(alice, collection, 'NFT', { ethereum: caller });
-        await createItemExpectSuccess(alice, collection, 'NFT', { ethereum: caller });
+    const address = collectionIdToAddress(collection);
+    const contract = new web3.eth.Contract(nonFungibleAbi as any, address);
+    const balance = await contract.methods.balanceOf(caller).call();
 
-        const address = collectionIdToAddress(collection);
-        const contract = new web3.eth.Contract(nonFungibleAbi as any, address);
-        const balance = await contract.methods.balanceOf(caller).call();
+    expect(balance).to.equal('3');
+  });
 
-        expect(balance).to.equal('3');
+  itWeb3('ownerOf', async ({ web3 }) => {
+    const collection = await createCollectionExpectSuccess({
+      mode: { type: 'NFT' },
     });
+    const alice = privateKey('//Alice');
 
-    itWeb3('ownerOf', async ({ web3 }) => {
-        const collection = await createCollectionExpectSuccess({
-            mode: { type: 'NFT' }
-        });
-        const alice = privateKey('//Alice');
+    const caller = createEthAccount(web3);
+    const tokenId = await createItemExpectSuccess(alice, collection, 'NFT', { ethereum: caller });
 
-        const caller = createEthAccount(web3);
-        const tokenId = await createItemExpectSuccess(alice, collection, 'NFT', { ethereum: caller });
+    const address = collectionIdToAddress(collection);
+    const contract = new web3.eth.Contract(nonFungibleAbi as any, address);
+    const owner = await contract.methods.ownerOf(tokenId).call();
 
-        const address = collectionIdToAddress(collection);
-        const contract = new web3.eth.Contract(nonFungibleAbi as any, address);
-        const owner = await contract.methods.ownerOf(tokenId).call();
-
-        expect(owner).to.equal(caller);
-    });
+    expect(owner).to.equal(caller);
+  });
 });
 
 describe.only('Plain calls', () => {
-    itWeb3('Can perform approve()', async ({ web3, api }) => {
-        const collection = await createCollectionExpectSuccess({
-            mode: { type: 'NFT' }
-        });
-        const alice = privateKey('//Alice');
+  itWeb3('Can perform approve()', async ({ web3, api }) => {
+    const collection = await createCollectionExpectSuccess({
+      mode: { type: 'NFT' },
+    });
+    const alice = privateKey('//Alice');
 
-        const owner = createEthAccount(web3);
-        await transferBalanceToEth(api, alice, owner, 999999999999999);
+    const owner = createEthAccount(web3);
+    await transferBalanceToEth(api, alice, owner, 999999999999999);
 
-        const tokenId = await createItemExpectSuccess(alice, collection, 'NFT', { ethereum: owner });
+    const tokenId = await createItemExpectSuccess(alice, collection, 'NFT', { ethereum: owner });
 
-        const spender = createEthAccount(web3);
+    const spender = createEthAccount(web3);
 
-        const address = collectionIdToAddress(collection);
-        const contract = new web3.eth.Contract(nonFungibleAbi as any, address);
+    const address = collectionIdToAddress(collection);
+    const contract = new web3.eth.Contract(nonFungibleAbi as any, address);
 
+    {
+      const result = await contract.methods.approve(spender, tokenId).send({ from: owner, gas: '0x1000000', gasPrice: '0x01' });
+      const events = normalizeEvents(result.events);
+
+      expect(events).to.be.deep.equal([
         {
-            const result = await contract.methods.approve(spender, tokenId).send({ from: owner, gas: '0x1000000', gasPrice: '0x01' });
-            const events = normalizeEvents(result.events);
+          address,
+          event: 'Approval',
+          args: {
+            owner,
+            approved: spender,
+            tokenId: tokenId.toString(),
+          },
+        },
+      ]);
+    }
+  });
 
-            expect(events).to.be.deep.equal([
-                {
-                    address,
-                    event: 'Approval',
-                    args: {
-                        owner,
-                        approved: spender,
-                        tokenId: tokenId.toString(),
-                    }
-                }
-            ]);
-        }
+  itWeb3('Can perform transferFrom()', async ({ web3, api }) => {
+    const collection = await createCollectionExpectSuccess({
+      mode: { type: 'NFT' },
     });
-
-    itWeb3('Can perform transferFrom()', async ({ web3, api }) => {
-        const collection = await createCollectionExpectSuccess({
-            mode: { type: 'NFT' }
-        });
-        const alice = privateKey('//Alice');
+    const alice = privateKey('//Alice');
 
-        const owner = createEthAccount(web3);
-        await transferBalanceToEth(api, alice, owner, 999999999999999);
+    const owner = createEthAccount(web3);
+    await transferBalanceToEth(api, alice, owner, 999999999999999);
 
-        const tokenId = await createItemExpectSuccess(alice, collection, 'NFT', { ethereum: owner });
+    const tokenId = await createItemExpectSuccess(alice, collection, 'NFT', { ethereum: owner });
 
-        const spender = createEthAccount(web3);
-        await transferBalanceToEth(api, alice, spender, 999999999999999);
+    const spender = createEthAccount(web3);
+    await transferBalanceToEth(api, alice, spender, 999999999999999);
 
-        const receiver = createEthAccount(web3);
+    const receiver = createEthAccount(web3);
 
-        const address = collectionIdToAddress(collection);
-        const contract = new web3.eth.Contract(nonFungibleAbi as any, address);
+    const address = collectionIdToAddress(collection);
+    const contract = new web3.eth.Contract(nonFungibleAbi as any, address);
 
-        await contract.methods.approve(spender, tokenId).send({ from: owner, gas: '0x1000000', gasPrice: '0x01' });
+    await contract.methods.approve(spender, tokenId).send({ from: owner, gas: '0x1000000', gasPrice: '0x01' });
 
+    {
+      const result = await contract.methods.transferFrom(owner, receiver, tokenId).send({ from: spender, gas: '0x1000000', gasPrice: '0x01' });
+      const events = normalizeEvents(result.events);
+      expect(events).to.be.deep.equal([
         {
-            const result = await contract.methods.transferFrom(owner, receiver, tokenId).send({ from: spender, gas: '0x1000000', gasPrice: '0x01' });
-            const events = normalizeEvents(result.events);
-            expect(events).to.be.deep.equal([
-                {
-                    address,
-                    event: 'Transfer',
-                    args: {
-                        from: owner,
-                        to: receiver,
-                        tokenId: tokenId.toString(),
-                    },
-                },
-            ]);
-        }
+          address,
+          event: 'Transfer',
+          args: {
+            from: owner,
+            to: receiver,
+            tokenId: tokenId.toString(),
+          },
+        },
+      ]);
+    }
 
-        {
-            const balance = await contract.methods.balanceOf(receiver).call();
-            expect(+balance).to.equal(1);
-        }
+    {
+      const balance = await contract.methods.balanceOf(receiver).call();
+      expect(+balance).to.equal(1);
+    }
 
-        {
-            const balance = await contract.methods.balanceOf(owner).call();
-            expect(+balance).to.equal(0);
-        }
-    });
+    {
+      const balance = await contract.methods.balanceOf(owner).call();
+      expect(+balance).to.equal(0);
+    }
+  });
 
-    itWeb3('Can perform transfer()', async ({ web3, api }) => {
-        const collection = await createCollectionExpectSuccess({
-            mode: { type: 'NFT' }
-        });
-        const alice = privateKey('//Alice');
+  itWeb3('Can perform transfer()', async ({ web3, api }) => {
+    const collection = await createCollectionExpectSuccess({
+      mode: { type: 'NFT' },
+    });
+    const alice = privateKey('//Alice');
 
-        const owner = createEthAccount(web3);
-        await transferBalanceToEth(api, alice, owner, 999999999999999);
+    const owner = createEthAccount(web3);
+    await transferBalanceToEth(api, alice, owner, 999999999999999);
 
-        const tokenId = await createItemExpectSuccess(alice, collection, 'NFT', { ethereum: owner });
+    const tokenId = await createItemExpectSuccess(alice, collection, 'NFT', { ethereum: owner });
 
-        const receiver = createEthAccount(web3);
-        await transferBalanceToEth(api, alice, receiver, 999999999999999);
+    const receiver = createEthAccount(web3);
+    await transferBalanceToEth(api, alice, receiver, 999999999999999);
 
-        const address = collectionIdToAddress(collection);
-        const contract = new web3.eth.Contract(nonFungibleAbi as any, address);
+    const address = collectionIdToAddress(collection);
+    const contract = new web3.eth.Contract(nonFungibleAbi as any, address);
 
+    {
+      const result = await contract.methods.transfer(receiver, tokenId).send({ from: owner, gas: '0x1000000', gasPrice: '0x01' });
+      console.log(result);
+      const events = normalizeEvents(result.events);
+      expect(events).to.be.deep.equal([
         {
-            const result = await contract.methods.transfer(receiver, tokenId).send({ from: owner, gas: '0x1000000', gasPrice: '0x01' });
-            console.log(result);
-            const events = normalizeEvents(result.events);
-            expect(events).to.be.deep.equal([
-                {
-                    address,
-                    event: 'Transfer',
-                    args: {
-                        from: owner,
-                        to: receiver,
-                        tokenId: tokenId.toString(),
-                    }
-                },
-            ])
-        }
+          address,
+          event: 'Transfer',
+          args: {
+            from: owner,
+            to: receiver,
+            tokenId: tokenId.toString(),
+          },
+        },
+      ]);
+    }
 
-        {
-            const balance = await contract.methods.balanceOf(owner).call();
-            expect(+balance).to.equal(0);
-        }
+    {
+      const balance = await contract.methods.balanceOf(owner).call();
+      expect(+balance).to.equal(0);
+    }
 
-        {
-            const balance = await contract.methods.balanceOf(receiver).call();
-            expect(+balance).to.equal(1);
-        }
-    });
+    {
+      const balance = await contract.methods.balanceOf(receiver).call();
+      expect(+balance).to.equal(1);
+    }
+  });
 });
 
 describe('Substrate calls', () => {
-    itWeb3('Events emitted for approve()', async ({ web3 }) => {
-        const collection = await createCollectionExpectSuccess({
-            mode: { type: 'NFT' }
-        });
-        const alice = privateKey('//Alice');
-
-        const receiver = createEthAccount(web3);
+  itWeb3('Events emitted for approve()', async ({ web3 }) => {
+    const collection = await createCollectionExpectSuccess({
+      mode: { type: 'NFT' },
+    });
+    const alice = privateKey('//Alice');
 
-        const tokenId = await createItemExpectSuccess(alice, collection, 'NFT');
+    const receiver = createEthAccount(web3);
 
-        const address = collectionIdToAddress(collection);
-        const contract = new web3.eth.Contract(nonFungibleAbi as any, address);
+    const tokenId = await createItemExpectSuccess(alice, collection, 'NFT');
 
-        const events = await recordEvents(contract, async () => {
-            await approveExpectSuccess(collection, tokenId, alice, { ethereum: receiver }, 1);
-        });
+    const address = collectionIdToAddress(collection);
+    const contract = new web3.eth.Contract(nonFungibleAbi as any, address);
 
-        expect(events).to.be.deep.equal([
-            {
-                address,
-                event: 'Approval',
-                args: {
-                    owner: subToEth(alice.address),
-                    approved: receiver,
-                    tokenId: tokenId.toString(),
-                }
-            }
-        ]);
+    const events = await recordEvents(contract, async () => {
+      await approveExpectSuccess(collection, tokenId, alice, { ethereum: receiver }, 1);
     });
 
-    itWeb3('Events emitted for transferFrom()', async ({ web3 }) => {
-        const collection = await createCollectionExpectSuccess({
-            mode: { type: 'NFT' }
-        });
-        const alice = privateKey('//Alice');
-        const bob = privateKey('//Bob');
+    expect(events).to.be.deep.equal([
+      {
+        address,
+        event: 'Approval',
+        args: {
+          owner: subToEth(alice.address),
+          approved: receiver,
+          tokenId: tokenId.toString(),
+        },
+      },
+    ]);
+  });
 
-        const receiver = createEthAccount(web3);
+  itWeb3('Events emitted for transferFrom()', async ({ web3 }) => {
+    const collection = await createCollectionExpectSuccess({
+      mode: { type: 'NFT' },
+    });
+    const alice = privateKey('//Alice');
+    const bob = privateKey('//Bob');
 
-        const tokenId = await createItemExpectSuccess(alice, collection, 'NFT');
-        await approveExpectSuccess(collection, tokenId, alice, bob, 1);
+    const receiver = createEthAccount(web3);
 
-        const address = collectionIdToAddress(collection);
-        const contract = new web3.eth.Contract(nonFungibleAbi as any, address);
+    const tokenId = await createItemExpectSuccess(alice, collection, 'NFT');
+    await approveExpectSuccess(collection, tokenId, alice, bob, 1);
 
-        const events = await recordEvents(contract, async () => {
-            await transferFromExpectSuccess(collection, tokenId, bob, alice, { ethereum: receiver }, 1, 'NFT');
-        });
+    const address = collectionIdToAddress(collection);
+    const contract = new web3.eth.Contract(nonFungibleAbi as any, address);
 
-        expect(events).to.be.deep.equal([
-            {
-                address,
-                event: 'Transfer',
-                args: {
-                    from: subToEth(alice.address),
-                    to: receiver,
-                    tokenId: tokenId.toString(),
-                }
-            },
-        ]);
+    const events = await recordEvents(contract, async () => {
+      await transferFromExpectSuccess(collection, tokenId, bob, alice, { ethereum: receiver }, 1, 'NFT');
     });
 
-    itWeb3('Events emitted for transfer()', async ({ web3 }) => {
-        const collection = await createCollectionExpectSuccess({
-            mode: { type: 'NFT' }
-        });
-        const alice = privateKey('//Alice');
+    expect(events).to.be.deep.equal([
+      {
+        address,
+        event: 'Transfer',
+        args: {
+          from: subToEth(alice.address),
+          to: receiver,
+          tokenId: tokenId.toString(),
+        },
+      },
+    ]);
+  });
 
-        const receiver = createEthAccount(web3);
+  itWeb3('Events emitted for transfer()', async ({ web3 }) => {
+    const collection = await createCollectionExpectSuccess({
+      mode: { type: 'NFT' },
+    });
+    const alice = privateKey('//Alice');
 
-        const tokenId = await createItemExpectSuccess(alice, collection, 'NFT');
+    const receiver = createEthAccount(web3);
 
-        const address = collectionIdToAddress(collection);
-        const contract = new web3.eth.Contract(nonFungibleAbi as any, address);
+    const tokenId = await createItemExpectSuccess(alice, collection, 'NFT');
 
-        const events = await recordEvents(contract, async () => {
-            await transferExpectSuccess(collection, tokenId, alice, { ethereum: receiver }, 1, 'NFT');
-        });
+    const address = collectionIdToAddress(collection);
+    const contract = new web3.eth.Contract(nonFungibleAbi as any, address);
 
-        expect(events).to.be.deep.equal([
-            {
-                address,
-                event: 'Transfer',
-                args: {
-                    from: subToEth(alice.address),
-                    to: receiver,
-                    tokenId: tokenId.toString(),
-                }
-            },
-        ]);
+    const events = await recordEvents(contract, async () => {
+      await transferExpectSuccess(collection, tokenId, alice, { ethereum: receiver }, 1, 'NFT');
     });
+
+    expect(events).to.be.deep.equal([
+      {
+        address,
+        event: 'Transfer',
+        args: {
+          from: subToEth(alice.address),
+          to: receiver,
+          tokenId: tokenId.toString(),
+        },
+      },
+    ]);
+  });
 });
\ No newline at end of file
modifiedtests/src/eth/util/helpers.tsdiffbeforeafterboth
--- a/tests/src/eth/util/helpers.ts
+++ b/tests/src/eth/util/helpers.ts
@@ -1,70 +1,75 @@
-import { ApiPromise } from "@polkadot/api";
-import { addressToEvm, evmToAddress } from "@polkadot/util-crypto";
-import Web3 from "web3";
-import usingApi, { submitTransactionAsync } from "../../substrate/substrate-api";
+//
+// This file is subject to the terms and conditions defined in
+// file 'LICENSE', which is part of this source code package.
+//
+
+import { ApiPromise } from '@polkadot/api';
+import { addressToEvm, evmToAddress } from '@polkadot/util-crypto';
+import Web3 from 'web3';
+import usingApi, { submitTransactionAsync } from '../../substrate/substrate-api';
 import { IKeyringPair } from '@polkadot/types/types';
-import { expect } from "chai";
-import { getGenericResult } from "../../util/helpers";
+import { expect } from 'chai';
+import { getGenericResult } from '../../util/helpers';
 
 let web3Connected = false;
 export async function usingWeb3<T>(cb: (web3: Web3) => Promise<T> | T): Promise<T> {
-    if (web3Connected) throw new Error('do not nest usingWeb3 calls');
-    web3Connected = true;
+  if (web3Connected) throw new Error('do not nest usingWeb3 calls');
+  web3Connected = true;
 
-    const provider = new Web3.providers.WebsocketProvider("http://localhost:9944");
-    const web3 = new Web3(provider);
+  const provider = new Web3.providers.WebsocketProvider('http://localhost:9944');
+  const web3 = new Web3(provider);
 
-    try {
-        return await cb(web3);
-    } finally {
-        // provider.disconnect(3000, 'normal disconnect');
-        provider.connection.close();
-        web3Connected = false;
-    }
+  try {
+    return await cb(web3);
+  } finally {
+    // provider.disconnect(3000, 'normal disconnect');
+    provider.connection.close();
+    web3Connected = false;
+  }
 }
 
 export function collectionIdToAddress(address: number): string {
-    if (address >= 0xffffffff || address < 0) throw new Error('id overflow');
-    const buf = Buffer.from([0x17, 0xc4, 0xe6, 0x45, 0x3c, 0xc4, 0x9a, 0xaa, 0xae, 0xac, 0xa8, 0x94, 0xe6, 0xd9, 0x68, 0x3e,
-        address >> 24,
-        (address >> 16) & 0xff,
-        (address >> 8) & 0xff,
-        address & 0xff,
-    ]);
-    return Web3.utils.toChecksumAddress('0x' + buf.toString('hex'));
+  if (address >= 0xffffffff || address < 0) throw new Error('id overflow');
+  const buf = Buffer.from([0x17, 0xc4, 0xe6, 0x45, 0x3c, 0xc4, 0x9a, 0xaa, 0xae, 0xac, 0xa8, 0x94, 0xe6, 0xd9, 0x68, 0x3e,
+    address >> 24,
+    (address >> 16) & 0xff,
+    (address >> 8) & 0xff,
+    address & 0xff,
+  ]);
+  return Web3.utils.toChecksumAddress('0x' + buf.toString('hex'));
 }
 
 export function createEthAccount(web3: Web3) {
-    const account = web3.eth.accounts.create();
-    web3.eth.accounts.wallet.add(account.privateKey);
-    return account.address;
+  const account = web3.eth.accounts.create();
+  web3.eth.accounts.wallet.add(account.privateKey);
+  return account.address;
 }
 
 export async function transferBalanceToEth(api: ApiPromise, source: IKeyringPair, target: string, amount: number) {
-    const tx = api.tx.balances.transfer(evmToAddress(target), amount);
-    const events = await submitTransactionAsync(source, tx);
-    const result = getGenericResult(events);
-    expect(result.success).to.be.true;
+  const tx = api.tx.balances.transfer(evmToAddress(target), amount);
+  const events = await submitTransactionAsync(source, tx);
+  const result = getGenericResult(events);
+  expect(result.success).to.be.true;
 }
 
 export async function itWeb3(name: string, cb: (apis: { web3: Web3, api: ApiPromise }) => any, opts: { only?: boolean, skip?: boolean } = {}) {
-    let i: any = it;
-    if (opts.only) i = i.only;
-    else if (opts.skip) i = i.skip;
-    i(name, async () => {
-        await usingApi(async api => {
-            await usingWeb3(async web3 => {
-                await cb({ api, web3 });
-            });
-        });
+  let i: any = it;
+  if (opts.only) i = i.only;
+  else if (opts.skip) i = i.skip;
+  i(name, async () => {
+    await usingApi(async api => {
+      await usingWeb3(async web3 => {
+        await cb({ api, web3 });
+      });
     });
+  });
 }
 itWeb3.only = (name: string, cb: (apis: { web3: Web3, api: ApiPromise }) => any) => itWeb3(name, cb, { only: true });
 itWeb3.skip = (name: string, cb: (apis: { web3: Web3, api: ApiPromise }) => any) => itWeb3(name, cb, { skip: true });
 
 export async function generateSubstrateEthPair(web3: Web3) {
-    let account = web3.eth.accounts.create();
-    const evm = evmToAddress(account.address);
+  const account = web3.eth.accounts.create();
+  evmToAddress(account.address);
 }
 
 type NormalizedEvent = {
@@ -74,43 +79,43 @@
 };
 
 export function normalizeEvents(events: any): NormalizedEvent[] {
-    const output = [];
-    for (let key of Object.keys(events)) {
-        if (key.match(/^[0-9]+$/)) {
-            output.push(events[key]);
-        } else if (Array.isArray(events[key])) {
-            output.push(...events[key]);
-        } else {
-            output.push(events[key]);
-        }
+  const output = [];
+  for (const key of Object.keys(events)) {
+    if (key.match(/^[0-9]+$/)) {
+      output.push(events[key]);
+    } else if (Array.isArray(events[key])) {
+      output.push(...events[key]);
+    } else {
+      output.push(events[key]);
     }
-    output.sort((a, b) => a.logIndex - b.logIndex);
-    return output.map(({ address, event, returnValues }) => {
-        const args: { [key: string]: string } = {};
-        for (let key of Object.keys(returnValues)) {
-            if (!key.match(/^[0-9]+$/)) {
-                args[key] = returnValues[key];
-            }
-        }
-        return {
-            address,
-            event,
-            args,
-        };
-    });
+  }
+  output.sort((a, b) => a.logIndex - b.logIndex);
+  return output.map(({ address, event, returnValues }) => {
+    const args: { [key: string]: string } = {};
+    for (const key of Object.keys(returnValues)) {
+      if (!key.match(/^[0-9]+$/)) {
+        args[key] = returnValues[key];
+      }
+    }
+    return {
+      address,
+      event,
+      args,
+    };
+  });
 }
 
 export async function recordEvents(contract: any, action: () => Promise<void>): Promise<NormalizedEvent[]> {
-    const out: any = [];
-    contract.events.allEvents((_: any, event: any) => {
-        out.push(event);
-    });
-    await action();
-    return normalizeEvents(out);
+  const out: any = [];
+  contract.events.allEvents((_: any, event: any) => {
+    out.push(event);
+  });
+  await action();
+  return normalizeEvents(out);
 }
 
 export function subToEth(eth: string): string {
-    const bytes = addressToEvm(eth);
-    const string = '0x' + Buffer.from(bytes).toString('hex');
-    return Web3.utils.toChecksumAddress(string);
+  const bytes = addressToEvm(eth);
+  const string = '0x' + Buffer.from(bytes).toString('hex');
+  return Web3.utils.toChecksumAddress(string);
 }
\ No newline at end of file
modifiedtests/src/inflation.test.tsdiffbeforeafterboth
--- a/tests/src/inflation.test.ts
+++ b/tests/src/inflation.test.ts
@@ -5,25 +5,13 @@
 
 import chai from 'chai';
 import chaiAsPromised from 'chai-as-promised';
-import { default as usingApi } from "./substrate/substrate-api";
-import privateKey from "./substrate/privateKey";
+import { default as usingApi } from './substrate/substrate-api';
 import { BigNumber } from 'bignumber.js';
-import { IKeyringPair } from '@polkadot/types/types';
 
 chai.use(chaiAsPromised);
 const expect = chai.expect;
-
-let alice: IKeyringPair;
-let bob: IKeyringPair;
 
 describe('integration test: Inflation', () => {
-  before(async () => {
-    await usingApi(async (api) => {
-      alice = privateKey('//Alice');
-      bob = privateKey('//Bob');
-    });
-  });
-
   it('First year inflation is 10%', async () => {
     await usingApi(async (api) => {
 
modifiedtests/src/overflow.test.tsdiffbeforeafterboth
--- a/tests/src/overflow.test.ts
+++ b/tests/src/overflow.test.ts
@@ -3,65 +3,65 @@
 // file 'LICENSE', which is part of this source code package.
 //
 
-import { IKeyringPair } from "@polkadot/types/types";
+import { IKeyringPair } from '@polkadot/types/types';
 import chai from 'chai';
-import chaiAsPromised from "chai-as-promised";
-import privateKey from "./substrate/privateKey";
-import usingApi from "./substrate/substrate-api";
-import { approveExpectFail, approveExpectSuccess, createCollectionExpectSuccess, createFungibleItemExpectSuccess, getAllowance, getFungibleBalance, transferExpectFail, transferExpectSuccess, transferFromExpectFail, transferFromExpectSuccess, U128_MAX } from "./util/helpers";
+import chaiAsPromised from 'chai-as-promised';
+import privateKey from './substrate/privateKey';
+import usingApi from './substrate/substrate-api';
+import { approveExpectFail, approveExpectSuccess, createCollectionExpectSuccess, createFungibleItemExpectSuccess, getAllowance, getFungibleBalance, transferExpectFail, transferExpectSuccess, transferFromExpectFail, transferFromExpectSuccess, U128_MAX } from './util/helpers';
 
 chai.use(chaiAsPromised);
 const expect = chai.expect;
 
 describe('Integration Test fungible overflows', () => {
-    let alice: IKeyringPair;
-    let bob: IKeyringPair;
-    let charlie: IKeyringPair;
+  let alice: IKeyringPair;
+  let bob: IKeyringPair;
+  let charlie: IKeyringPair;
 
-    before(async () => {
-        await usingApi(async () => {
-            alice = privateKey('//Alice');
-            bob = privateKey('//Bob');
-            charlie = privateKey('//Charlie');
-        });
+  before(async () => {
+    await usingApi(async () => {
+      alice = privateKey('//Alice');
+      bob = privateKey('//Bob');
+      charlie = privateKey('//Charlie');
     });
+  });
 
-    it('fails when overflows on transfer', async () => {
-        const fungibleCollectionId = await createCollectionExpectSuccess({ mode: { type: 'Fungible', decimalPoints: 0 } });
+  it('fails when overflows on transfer', async () => {
+    const fungibleCollectionId = await createCollectionExpectSuccess({ mode: { type: 'Fungible', decimalPoints: 0 } });
 
-        await createFungibleItemExpectSuccess(alice, fungibleCollectionId, { Value: U128_MAX });
-        await transferExpectSuccess(fungibleCollectionId, 0, alice, bob, U128_MAX, 'Fungible');
+    await createFungibleItemExpectSuccess(alice, fungibleCollectionId, { Value: U128_MAX });
+    await transferExpectSuccess(fungibleCollectionId, 0, alice, bob, U128_MAX, 'Fungible');
 
-        await createFungibleItemExpectSuccess(alice, fungibleCollectionId, { Value: 1n });
-        await transferExpectFail(fungibleCollectionId, 0, alice, bob, 1, 'Fungible');
+    await createFungibleItemExpectSuccess(alice, fungibleCollectionId, { Value: 1n });
+    await transferExpectFail(fungibleCollectionId, 0, alice, bob, 1, 'Fungible');
 
-        expect(await getFungibleBalance(fungibleCollectionId, alice.address)).to.equal(1n);
-        expect(await getFungibleBalance(fungibleCollectionId, bob.address)).to.equal(U128_MAX);
-    });
+    expect(await getFungibleBalance(fungibleCollectionId, alice.address)).to.equal(1n);
+    expect(await getFungibleBalance(fungibleCollectionId, bob.address)).to.equal(U128_MAX);
+  });
 
-    it('fails on allowance overflow', async () => {
-        const fungibleCollectionId = await createCollectionExpectSuccess({ mode: { type: 'Fungible', decimalPoints: 0 } });
+  it('fails on allowance overflow', async () => {
+    const fungibleCollectionId = await createCollectionExpectSuccess({ mode: { type: 'Fungible', decimalPoints: 0 } });
 
-        await createFungibleItemExpectSuccess(alice, fungibleCollectionId, { Value: U128_MAX });
-        await approveExpectSuccess(fungibleCollectionId, 0, alice, bob, U128_MAX);
-        await approveExpectFail(fungibleCollectionId, 0, alice, bob, U128_MAX);
-    });
+    await createFungibleItemExpectSuccess(alice, fungibleCollectionId, { Value: U128_MAX });
+    await approveExpectSuccess(fungibleCollectionId, 0, alice, bob, U128_MAX);
+    await approveExpectFail(fungibleCollectionId, 0, alice, bob, U128_MAX);
+  });
 
-    it('fails when overflows on transferFrom', async () => {
-        const fungibleCollectionId = await createCollectionExpectSuccess({ mode: { type: 'Fungible', decimalPoints: 0 } });
+  it('fails when overflows on transferFrom', async () => {
+    const fungibleCollectionId = await createCollectionExpectSuccess({ mode: { type: 'Fungible', decimalPoints: 0 } });
 
-        await createFungibleItemExpectSuccess(alice, fungibleCollectionId, { Value: U128_MAX });
-        await approveExpectSuccess(fungibleCollectionId, 0, alice, bob, U128_MAX);
-        await transferFromExpectSuccess(fungibleCollectionId, 0, bob, alice, charlie, U128_MAX, 'Fungible');
+    await createFungibleItemExpectSuccess(alice, fungibleCollectionId, { Value: U128_MAX });
+    await approveExpectSuccess(fungibleCollectionId, 0, alice, bob, U128_MAX);
+    await transferFromExpectSuccess(fungibleCollectionId, 0, bob, alice, charlie, U128_MAX, 'Fungible');
 
-        expect(await getFungibleBalance(fungibleCollectionId, charlie.address)).to.equal(U128_MAX);
-        expect((await getAllowance(fungibleCollectionId, 0, alice.address, bob.address)).toString()).to.equal('0');
+    expect(await getFungibleBalance(fungibleCollectionId, charlie.address)).to.equal(U128_MAX);
+    expect((await getAllowance(fungibleCollectionId, 0, alice.address, bob.address)).toString()).to.equal('0');
 
-        await createFungibleItemExpectSuccess(alice, fungibleCollectionId, { Value: U128_MAX });
-        await approveExpectSuccess(fungibleCollectionId, 0, alice, bob, 1n);
-        await transferFromExpectFail(fungibleCollectionId, 0, bob, alice, charlie, 1);
+    await createFungibleItemExpectSuccess(alice, fungibleCollectionId, { Value: U128_MAX });
+    await approveExpectSuccess(fungibleCollectionId, 0, alice, bob, 1n);
+    await transferFromExpectFail(fungibleCollectionId, 0, bob, alice, charlie, 1);
 
-        expect(await getFungibleBalance(fungibleCollectionId, charlie.address)).to.equal(U128_MAX);
-        expect((await getAllowance(fungibleCollectionId, 0, alice.address, bob.address)).toString()).to.equal('1');
-    });
+    expect(await getFungibleBalance(fungibleCollectionId, charlie.address)).to.equal(U128_MAX);
+    expect((await getAllowance(fungibleCollectionId, 0, alice.address, bob.address)).toString()).to.equal('1');
+  });
 });
modifiedtests/src/pallet-presence.test.tsdiffbeforeafterboth
--- a/tests/src/pallet-presence.test.ts
+++ b/tests/src/pallet-presence.test.ts
@@ -3,9 +3,9 @@
 // file 'LICENSE', which is part of this source code package.
 //
 
-import { ApiPromise } from "@polkadot/api";
-import { expect } from "chai";
-import usingApi from "./substrate/substrate-api";
+import { ApiPromise } from '@polkadot/api';
+import { expect } from 'chai';
+import usingApi from './substrate/substrate-api';
 
 function getModuleNames(api: ApiPromise): string[] {
   return api.runtimeMetadata.asLatest.modules.map(m => m.name.toString().toLowerCase());
@@ -14,12 +14,12 @@
 // Pallets that must always be present
 const requiredPallets = [
   'nft', 'inflation', 'balances', 'contracts', 'randomnesscollectiveflip', 'system', 'timestamp', 'transactionpayment', 'treasury', 'vesting', 'evm', 'ethereum',
-  'scheduler', 'nftpayment', 'charging'
+  'scheduler', 'nftpayment', 'charging',
 ];
 
 // Pallets that depend on consensus and governance configuration
 const consensusPallets = [
-  'sudo', 'aura'
+  'sudo', 'aura',
 ];
 
 describe('Pallet presence', () => {
modifiedtests/src/removeCollectionSponsor.test.tsdiffbeforeafterboth
--- a/tests/src/removeCollectionSponsor.test.ts
+++ b/tests/src/removeCollectionSponsor.test.ts
@@ -5,27 +5,21 @@
 
 import chai from 'chai';
 import chaiAsPromised from 'chai-as-promised';
-import { default as usingApi, submitTransactionAsync, submitTransactionExpectFailAsync } from "./substrate/substrate-api";
+import { default as usingApi, submitTransactionExpectFailAsync } from './substrate/substrate-api';
 import { 
   createCollectionExpectSuccess, 
   setCollectionSponsorExpectSuccess, 
   destroyCollectionExpectSuccess, 
-  setCollectionSponsorExpectFailure,
   confirmSponsorshipExpectSuccess,
   confirmSponsorshipExpectFailure,
   createItemExpectSuccess,
   findUnusedAddress,
-  getGenericResult,
-  enableWhiteListExpectSuccess,
-  enablePublicMintingExpectSuccess,
-  addToWhiteListExpectSuccess,
   removeCollectionSponsorExpectSuccess,
   removeCollectionSponsorExpectFailure,
   normalizeAccountId,
-} from "./util/helpers";
-import { Keyring } from "@polkadot/api";
-import { IKeyringPair } from "@polkadot/types/types";
-import type { AccountId } from '@polkadot/types/interfaces';
+} from './util/helpers';
+import { Keyring } from '@polkadot/api';
+import { IKeyringPair } from '@polkadot/types/types';
 import { BigNumber } from 'bignumber.js';
 
 chai.use(chaiAsPromised);
@@ -33,16 +27,14 @@
 
 let alice: IKeyringPair;
 let bob: IKeyringPair;
-let charlie: IKeyringPair;
 
 describe('integration test: ext. removeCollectionSponsor():', () => {
 
   before(async () => {
-    await usingApi(async (api) => {
+    await usingApi(async () => {
       const keyring = new Keyring({ type: 'sr25519' });
-      alice = keyring.addFromUri(`//Alice`);
-      bob = keyring.addFromUri(`//Bob`);
-      charlie = keyring.addFromUri(`//Charlie`);
+      alice = keyring.addFromUri('//Alice');
+      bob = keyring.addFromUri('//Bob');
     });
   });
 
@@ -65,7 +57,7 @@
       const badTransaction = async function () { 
         await submitTransactionExpectFailAsync(zeroBalance, zeroToAlice);
       };
-      await expect(badTransaction()).to.be.rejectedWith("Inability to pay some fees");
+      await expect(badTransaction()).to.be.rejectedWith('Inability to pay some fees');
       const BsponsorBalance = new BigNumber((await api.query.system.account(bob.address)).data.free.toString());
 
       expect(BsponsorBalance.isEqualTo(AsponsorBalance)).to.be.true;
@@ -95,19 +87,18 @@
 
 describe('(!negative test!) integration test: ext. removeCollectionSponsor():', () => {
   before(async () => {
-    await usingApi(async (api) => {
+    await usingApi(async () => {
       const keyring = new Keyring({ type: 'sr25519' });
-      alice = keyring.addFromUri(`//Alice`);
-      bob = keyring.addFromUri(`//Bob`);
-      charlie = keyring.addFromUri(`//Charlie`);
+      alice = keyring.addFromUri('//Alice');
+      bob = keyring.addFromUri('//Bob');
     });
   });
 
   it('(!negative test!) Remove sponsor for a collection that never existed', async () => {
     // Find the collection that never existed
-    const collectionId = 0;
+    let collectionId = 0;
     await usingApi(async (api) => {
-      const collectionId = parseInt((await api.query.nft.createdCollectionCount()).toString()) + 1;
+      collectionId = parseInt((await api.query.nft.createdCollectionCount()).toString()) + 1;
     });
 
     await removeCollectionSponsorExpectFailure(collectionId);
modifiedtests/src/removeFromContractWhiteList.test.tsdiffbeforeafterboth
--- a/tests/src/removeFromContractWhiteList.test.ts
+++ b/tests/src/removeFromContractWhiteList.test.ts
@@ -3,79 +3,79 @@
 // file 'LICENSE', which is part of this source code package.
 //
 
-import privateKey from "./substrate/privateKey";
-import usingApi from "./substrate/substrate-api";
-import { deployFlipper, toggleFlipValueExpectFailure, toggleFlipValueExpectSuccess } from "./util/contracthelpers";
-import { addToContractWhiteListExpectSuccess, isWhitelistedInContract, removeFromContractWhiteListExpectFailure, removeFromContractWhiteListExpectSuccess, toggleContractWhitelistExpectSuccess } from "./util/helpers";
+import privateKey from './substrate/privateKey';
+import usingApi from './substrate/substrate-api';
+import { deployFlipper, toggleFlipValueExpectFailure, toggleFlipValueExpectSuccess } from './util/contracthelpers';
+import { addToContractWhiteListExpectSuccess, isWhitelistedInContract, removeFromContractWhiteListExpectFailure, removeFromContractWhiteListExpectSuccess, toggleContractWhitelistExpectSuccess } from './util/helpers';
 import { IKeyringPair } from '@polkadot/types/types';
-import { expect } from "chai";
+import { expect } from 'chai';
 
 describe('Integration Test removeFromContractWhiteList', () => {
-    let bob: IKeyringPair;
+  let bob: IKeyringPair;
 
-    before(async () => {
-        await usingApi(async () => {
-            bob = privateKey('//Bob');
-        });
+  before(async () => {
+    await usingApi(async () => {
+      bob = privateKey('//Bob');
     });
+  });
 
-    it('user is no longer whitelisted after removal', async () => {
-        await usingApi(async (api) => {
-            const [flipper, deployer] = await deployFlipper(api);
+  it('user is no longer whitelisted after removal', async () => {
+    await usingApi(async (api) => {
+      const [flipper, deployer] = await deployFlipper(api);
 
-            await addToContractWhiteListExpectSuccess(deployer, flipper.address.toString(), bob.address);
-            await removeFromContractWhiteListExpectSuccess(deployer, flipper.address.toString(), bob.address);
+      await addToContractWhiteListExpectSuccess(deployer, flipper.address.toString(), bob.address);
+      await removeFromContractWhiteListExpectSuccess(deployer, flipper.address.toString(), bob.address);
 
-            expect(await isWhitelistedInContract(flipper.address, bob.address)).to.be.false;
-        });
+      expect(await isWhitelistedInContract(flipper.address, bob.address)).to.be.false;
     });
+  });
 
-    it('user can\'t execute contract after removal', async () => {
-        await usingApi(async (api) => {
-            const [flipper, deployer] = await deployFlipper(api);
-            await toggleContractWhitelistExpectSuccess(deployer, flipper.address.toString(), true);
+  it('user can\'t execute contract after removal', async () => {
+    await usingApi(async (api) => {
+      const [flipper, deployer] = await deployFlipper(api);
+      await toggleContractWhitelistExpectSuccess(deployer, flipper.address.toString(), true);
 
-            await addToContractWhiteListExpectSuccess(deployer, flipper.address.toString(), bob.address);
-            await toggleFlipValueExpectSuccess(bob, flipper);
+      await addToContractWhiteListExpectSuccess(deployer, flipper.address.toString(), bob.address);
+      await toggleFlipValueExpectSuccess(bob, flipper);
 
-            await removeFromContractWhiteListExpectSuccess(deployer, flipper.address.toString(), bob.address);
-            await toggleFlipValueExpectFailure(bob, flipper);
-        });
+      await removeFromContractWhiteListExpectSuccess(deployer, flipper.address.toString(), bob.address);
+      await toggleFlipValueExpectFailure(bob, flipper);
     });
+  });
 
-    it('can be called twice', async () => {
-        await usingApi(async (api) => {
-            const [flipper, deployer] = await deployFlipper(api);
+  it('can be called twice', async () => {
+    await usingApi(async (api) => {
+      const [flipper, deployer] = await deployFlipper(api);
 
-            await addToContractWhiteListExpectSuccess(deployer, flipper.address.toString(), bob.address);
-            await removeFromContractWhiteListExpectSuccess(deployer, flipper.address.toString(), bob.address);
-            await removeFromContractWhiteListExpectSuccess(deployer, flipper.address.toString(), bob.address);
-        });
+      await addToContractWhiteListExpectSuccess(deployer, flipper.address.toString(), bob.address);
+      await removeFromContractWhiteListExpectSuccess(deployer, flipper.address.toString(), bob.address);
+      await removeFromContractWhiteListExpectSuccess(deployer, flipper.address.toString(), bob.address);
     });
+  });
 });
 
 describe('Negative Integration Test removeFromContractWhiteList', () => {
-    let alice: IKeyringPair;
-    let bob: IKeyringPair;
+  let alice: IKeyringPair;
+  let bob: IKeyringPair;
 
-    before(async () => {
-        await usingApi(async () => {
-            alice = privateKey('//Alice');
-            bob = privateKey('//Bob');
-        });
+  before(async () => {
+    await usingApi(async () => {
+      alice = privateKey('//Alice');
+      bob = privateKey('//Bob');
     });
+  });
 
-    it('fails when called with non-contract address', async () => {
-        await usingApi(async () => {
-            await removeFromContractWhiteListExpectFailure(alice, alice.address, bob.address);
-        });
+  it('fails when called with non-contract address', async () => {
+    await usingApi(async () => {
+      await removeFromContractWhiteListExpectFailure(alice, alice.address, bob.address);
     });
+  });
 
-    it('fails when executed by non owner', async () => {
-        await usingApi(async (api) => {
-            const [flipper, _] = await deployFlipper(api);
+  it('fails when executed by non owner', async () => {
+    await usingApi(async (api) => {
+      const [flipper] = await deployFlipper(api);
 
-            await removeFromContractWhiteListExpectFailure(alice, flipper.address.toString(), bob.address);
-        });
+      await removeFromContractWhiteListExpectFailure(alice, flipper.address.toString(), bob.address);
     });
+  });
 });
modifiedtests/src/removeFromWhiteList.test.tsdiffbeforeafterboth
--- a/tests/src/removeFromWhiteList.test.ts
+++ b/tests/src/removeFromWhiteList.test.ts
@@ -16,7 +16,7 @@
   findNotExistingCollection,
   removeFromWhiteListExpectFailure,
   disableWhiteListExpectSuccess,
-  normalizeAccountId
+  normalizeAccountId,
 } from './util/helpers';
 import { IKeyringPair } from '@polkadot/types/types';
 import privateKey from './substrate/privateKey';
@@ -29,7 +29,7 @@
   let bob: IKeyringPair;
 
   before(async () => {
-    await usingApi(async (api) => {
+    await usingApi(async () => {
       alice = privateKey('//Alice');
       bob = privateKey('//Bob');
     });
@@ -63,7 +63,7 @@
   let bob: IKeyringPair;
 
   before(async () => {
-    await usingApi(async (api) => {
+    await usingApi(async () => {
       alice = privateKey('//Alice');
       bob = privateKey('//Bob');
     });
modifiedtests/src/rpc.load.tsdiffbeforeafterboth
--- a/tests/src/rpc.load.ts
+++ b/tests/src/rpc.load.ts
@@ -3,24 +3,22 @@
 // file 'LICENSE', which is part of this source code package.
 //
 
-import { expect, assert } from "chai";
-import usingApi, { submitTransactionAsync, submitTransactionExpectFailAsync } from "./substrate/substrate-api";
-import { IKeyringPair } from "@polkadot/types/types";
-import { Abi, BlueprintPromise as Blueprint, CodePromise, ContractPromise as Contract } from "@polkadot/api-contract";
-import { ApiPromise, Keyring } from "@polkadot/api";
-import { ApiTypes, SubmittableExtrinsic } from "@polkadot/api/types";
+import usingApi, { submitTransactionAsync } from './substrate/substrate-api';
+import { IKeyringPair } from '@polkadot/types/types';
+import { Abi, BlueprintPromise as Blueprint, CodePromise, ContractPromise as Contract } from '@polkadot/api-contract';
+import { ApiPromise, Keyring } from '@polkadot/api';
 import { BigNumber } from 'bignumber.js';
-import { findUnusedAddress } from './util/helpers'
-import fs from "fs";
-import privateKey from "./substrate/privateKey";
+import { findUnusedAddress } from './util/helpers';
+import fs from 'fs';
+import privateKey from './substrate/privateKey';
 
 const value = 0;
 const gasLimit = 500000n * 1000000n;
-const endowment = `1000000000000000`;
-
+const endowment = '1000000000000000';
 
+/*eslint no-async-promise-executor: "off"*/
 function deployBlueprint(alice: IKeyringPair, code: CodePromise): Promise<Blueprint> {
-  return new Promise<Blueprint>(async (resolve, reject) => {
+  return new Promise<Blueprint>(async (resolve) => {
     const unsub = await code
       .createBlueprint()
       .signAndSend(alice, (result) => {
@@ -29,20 +27,21 @@
           resolve(result.blueprint);
           unsub();
         }
-      })
+      });
   });
 }
 
+/*eslint no-async-promise-executor: "off"*/
 function deployContract(alice: IKeyringPair, blueprint: Blueprint) : Promise<any> {
-  return new Promise<any>(async (resolve, reject) => {
+  return new Promise<any>(async (resolve) => {
     const unsub = await blueprint.tx
-    .new(endowment, gasLimit)
-    .signAndSend(alice, (result) => {
-      if (result.status.isInBlock || result.status.isFinalized) {
-        unsub();
-        resolve(result);
-      }
-    });    
+      .new(endowment, gasLimit)
+      .signAndSend(alice, (result) => {
+        if (result.status.isInBlock || result.status.isFinalized) {
+          unsub();
+          resolve(result);
+        }
+      });    
   });
 }
 
@@ -52,7 +51,7 @@
 
   // Transfer balance to it
   const keyring = new Keyring({ type: 'sr25519' });
-  const alice = keyring.addFromUri(`//Alice`);
+  const alice = keyring.addFromUri('//Alice');
   let amount = new BigNumber(endowment);
   amount = amount.plus(1e15);
   const tx = api.tx.balances.transfer(deployer.address, amount.toFixed());
@@ -81,7 +80,7 @@
   const result = await contract.query.get(deployer.address, value, gasLimit);
 
   if(!result.result.isSuccess) {
-    throw `Failed to get value`;
+    throw 'Failed to get value';
   }
   return result.result.asSuccess.data;
 }
@@ -95,6 +94,8 @@
       let microsec1 = hrTime[0] * 1000000 + hrTime[1] / 1000;
       let rate = 0;
       const checkPoint = 1000;
+
+      /* eslint no-constant-condition: "off" */
       while (true) {
         await api.rpc.system.chain();
         count++;
@@ -102,7 +103,7 @@
     
         if (count % checkPoint == 0) {
           hrTime = process.hrtime();
-          let microsec2 = hrTime[0] * 1000000 + hrTime[1] / 1000;
+          const microsec2 = hrTime[0] * 1000000 + hrTime[1] / 1000;
           rate = 1000000*checkPoint/(microsec2 - microsec1);
           microsec1 = microsec2;
         }
@@ -117,7 +118,7 @@
       const [contract, deployer] = await deployLoadTester(api);
 
       // Fill smart contract up with data
-      const bob = privateKey("//Bob");
+      const bob = privateKey('//Bob');
       const tx = contract.tx.bloat(value, gasLimit, 200);
       await submitTransactionAsync(bob, tx);
 
@@ -127,6 +128,8 @@
       let microsec1 = hrTime[0] * 1000000 + hrTime[1] / 1000;
       let rate = 0;
       const checkPoint = 10;
+
+      /* eslint no-constant-condition: "off" */
       while (true) {
         await getScData(contract, deployer);
         count++;
@@ -134,7 +137,7 @@
     
         if (count % checkPoint == 0) {
           hrTime = process.hrtime();
-          let microsec2 = hrTime[0] * 1000000 + hrTime[1] / 1000;
+          const microsec2 = hrTime[0] * 1000000 + hrTime[1] / 1000;
           rate = 1000000*checkPoint/(microsec2 - microsec1);
           microsec1 = microsec2;
         }
modifiedtests/src/scheduler.test.tsdiffbeforeafterboth
--- a/tests/src/scheduler.test.ts
+++ b/tests/src/scheduler.test.ts
@@ -3,7 +3,6 @@
 // file 'LICENSE', which is part of this source code package.
 //
 
-import { IKeyringPair } from '@polkadot/types/types';
 import chai from 'chai';
 import chaiAsPromised from 'chai-as-promised';
 import privateKey from './substrate/privateKey';
@@ -11,34 +10,16 @@
 import {
   createItemExpectSuccess,
   createCollectionExpectSuccess,
-  destroyCollectionExpectSuccess,
-  findNotExistingCollection,
-  queryCollectionExpectSuccess,
-  setOffchainSchemaExpectFailure,
-  setOffchainSchemaExpectSuccess,
-  transferExpectSuccess,
   scheduleTransferExpectSuccess,
   setCollectionSponsorExpectSuccess,
-  confirmSponsorshipExpectSuccess
+  confirmSponsorshipExpectSuccess,
 } from './util/helpers';
-
 
 chai.use(chaiAsPromised);
-const expect = chai.expect;
-
-const DATA = [1, 2, 3, 4];
 
 describe('Integration Test scheduler base transaction', () => {
-  let alice: IKeyringPair;
-
-  before(async () => {
+  it('User can transfer owned token with delay (scheduler)', async () => {
     await usingApi(async () => {
-      alice = privateKey('//Alice');
-    });
-  });
-
-  it('User can transfer owned token with delay (scheduler)', async () => {
-    await usingApi(async (api) => {
       const Alice = privateKey('//Alice');
       const Bob = privateKey('//Bob');
       // nft
@@ -50,45 +31,4 @@
       await scheduleTransferExpectSuccess(nftCollectionId, newNftTokenId, Alice, Bob, 1, 'NFT');
     });
   });
-
-  
 });
-
-// describe('Negative Integration Test setOffchainSchema', () => {
-//   let alice: IKeyringPair;
-//   let bob: IKeyringPair;
-
-//   let validCollectionId: number;
-
-//   before(async () => {
-//     await usingApi(async () => {
-//       alice = privateKey('//Alice');
-//       bob = privateKey('//Bob');
-
-//       validCollectionId = await createCollectionExpectSuccess({ mode: { type: 'NFT' } });
-//     });
-//   });
-
-//   it('fails on not existing collection id', async () => {
-//     const nonExistingCollectionId = await usingApi(findNotExistingCollection);
-
-//     await setOffchainSchemaExpectFailure(alice, nonExistingCollectionId, DATA);
-//   });
-
-//   it('fails on destroyed collection id', async () => {
-//     const destroyedCollectionId = await createCollectionExpectSuccess({ mode: { type: 'NFT' } });
-//     await destroyCollectionExpectSuccess(destroyedCollectionId);
-
-//     await setOffchainSchemaExpectFailure(alice, destroyedCollectionId, DATA);
-//   });
-
-//   it('fails on too long data', async () => {
-//     const tooLongData = new Array(4097).fill(0xff);
-
-//     await setOffchainSchemaExpectFailure(alice, validCollectionId, tooLongData);
-//   });
-
-//   it('fails on execution by non-owner', async () => {
-//     await setOffchainSchemaExpectFailure(bob, validCollectionId, DATA);
-//   });
-// });
modifiedtests/src/setCollectionLimits.test.tsdiffbeforeafterboth
--- a/tests/src/setCollectionLimits.test.ts
+++ b/tests/src/setCollectionLimits.test.ts
@@ -50,7 +50,7 @@
           TokenLimit: tokenLimit,
           SponsorTimeout: sponsorTimeout,
           OwnerCanTransfer: true,
-          OwnerCanDestroy: true
+          OwnerCanDestroy: true,
         },
       );
       const events = await submitTransactionAsync(alice, tx);
@@ -73,13 +73,13 @@
   it('Set the same token limit twice', async () => {
     await usingApi(async (api: ApiPromise) => {
 
-      let collectionLimits = {
+      const collectionLimits = {
         AccountTokenOwnershipLimit: accountTokenOwnershipLimit,
         SponsoredMintSize: sponsoredDataSize,
         TokenLimit: tokenLimit,
         SponsorTimeout: sponsorTimeout,
         OwnerCanTransfer: true,
-        OwnerCanDestroy: true
+        OwnerCanDestroy: true,
       };
 
       // The first time
@@ -173,7 +173,7 @@
       TokenLimit: tokenLimit,
       SponsorTimeout: sponsorTimeout,
       OwnerCanTransfer: false,
-      OwnerCanDestroy: true
+      OwnerCanDestroy: true,
     });
     await setCollectionLimitsExpectFailure(alice, collectionId, { 
       AccountTokenOwnershipLimit: accountTokenOwnershipLimit,
@@ -181,7 +181,7 @@
       TokenLimit: tokenLimit,
       SponsorTimeout: sponsorTimeout,
       OwnerCanTransfer: true,
-      OwnerCanDestroy: true
+      OwnerCanDestroy: true,
     });
   });
 
@@ -193,7 +193,7 @@
       TokenLimit: tokenLimit,
       SponsorTimeout: sponsorTimeout,
       OwnerCanTransfer: true,
-      OwnerCanDestroy: false
+      OwnerCanDestroy: false,
     });
     await setCollectionLimitsExpectFailure(alice, collectionId, { 
       AccountTokenOwnershipLimit: accountTokenOwnershipLimit,
@@ -201,21 +201,21 @@
       TokenLimit: tokenLimit,
       SponsorTimeout: sponsorTimeout,
       OwnerCanTransfer: true,
-      OwnerCanDestroy: true
+      OwnerCanDestroy: true,
     });
   });
 
   it('Setting the higher token limit fails', async () => {
-    await usingApi(async (api: ApiPromise) => {
+    await usingApi(async () => {
 
       const collectionId = await createCollectionExpectSuccess();
-      let collectionLimits = {
+      const collectionLimits = {
         AccountTokenOwnershipLimit: accountTokenOwnershipLimit,
         SponsoredMintSize: sponsoredDataSize,
         TokenLimit: tokenLimit,
         SponsorTimeout: sponsorTimeout,
         OwnerCanTransfer: true,
-        OwnerCanDestroy: true
+        OwnerCanDestroy: true,
       };
 
       // The first time
modifiedtests/src/setCollectionSponsor.test.tsdiffbeforeafterboth
--- a/tests/src/setCollectionSponsor.test.ts
+++ b/tests/src/setCollectionSponsor.test.ts
@@ -5,22 +5,21 @@
 
 import chai from 'chai';
 import chaiAsPromised from 'chai-as-promised';
-import { default as usingApi } from "./substrate/substrate-api";
-import { createCollectionExpectSuccess, setCollectionSponsorExpectSuccess, destroyCollectionExpectSuccess, setCollectionSponsorExpectFailure } from "./util/helpers";
-import { Keyring } from "@polkadot/api";
-import { IKeyringPair } from "@polkadot/types/types";
+import { default as usingApi } from './substrate/substrate-api';
+import { createCollectionExpectSuccess, setCollectionSponsorExpectSuccess, destroyCollectionExpectSuccess, setCollectionSponsorExpectFailure } from './util/helpers';
+import { Keyring } from '@polkadot/api';
+import { IKeyringPair } from '@polkadot/types/types';
 
 chai.use(chaiAsPromised);
-const expect = chai.expect;
 
 let bob: IKeyringPair;
 
 describe('integration test: ext. setCollectionSponsor():', () => {
 
   before(async () => {
-    await usingApi(async (api) => {
+    await usingApi(async () => {
       const keyring = new Keyring({ type: 'sr25519' });
-      bob = keyring.addFromUri(`//Bob`);
+      bob = keyring.addFromUri('//Bob');
     });
   });
 
@@ -46,7 +45,7 @@
     const collectionId = await createCollectionExpectSuccess();
 
     const keyring = new Keyring({ type: 'sr25519' });
-    const charlie = keyring.addFromUri(`//Charlie`);
+    const charlie = keyring.addFromUri('//Charlie');
     await setCollectionSponsorExpectSuccess(collectionId, bob.address);
     await setCollectionSponsorExpectSuccess(collectionId, charlie.address);
   });
@@ -54,9 +53,9 @@
 
 describe('(!negative test!) integration test: ext. setCollectionSponsor():', () => {
   before(async () => {
-    await usingApi(async (api) => {
+    await usingApi(async () => {
       const keyring = new Keyring({ type: 'sr25519' });
-      bob = keyring.addFromUri(`//Bob`);
+      bob = keyring.addFromUri('//Bob');
     });
   });
 
@@ -66,9 +65,9 @@
   });
   it('(!negative test!) Add sponsor to a collection that never existed', async () => {
     // Find the collection that never existed
-    const collectionId = 0;
+    let collectionId = 0;
     await usingApi(async (api) => {
-      const collectionId = parseInt((await api.query.nft.createdCollectionCount()).toString()) + 1;
+      collectionId = parseInt((await api.query.nft.createdCollectionCount()).toString()) + 1;
     });
 
     await setCollectionSponsorExpectFailure(collectionId, bob.address);
modifiedtests/src/setConstOnChainSchema.test.tsdiffbeforeafterboth
--- a/tests/src/setConstOnChainSchema.test.ts
+++ b/tests/src/setConstOnChainSchema.test.ts
@@ -23,7 +23,7 @@
 let largeShema: any;
 
 before(async () => {
-  await usingApi(async (api) => {
+  await usingApi(async () => {
     const keyring = new Keyring({ type: 'sr25519' });
     Alice = keyring.addFromUri('//Alice');
     Bob = keyring.addFromUri('//Bob');
@@ -35,7 +35,7 @@
 describe('Integration Test ext. setConstOnChainSchema()', () => {
 
   it('Run extrinsic with parameters of the collection id, set the scheme', async () => {
-      await usingApi(async (api) => {
+    await usingApi(async (api) => {
       const collectionId = await createCollectionExpectSuccess();
       const collection: any = (await api.query.nft.collectionById(collectionId)).toJSON();
       expect(collection.Owner).to.be.deep.eq(normalizeAccountId(Alice.address));
@@ -45,12 +45,12 @@
   });
 
   it('Checking collection data using the ConstOnChainSchema parameter', async () => {
-      await usingApi(async (api) => {
-        const collectionId = await createCollectionExpectSuccess();
-        const setShema = api.tx.nft.setConstOnChainSchema(collectionId, Shema);
-        await submitTransactionAsync(Alice, setShema);
-        const collection: any = (await api.query.nft.collectionById(collectionId)).toJSON();
-        expect(collection.ConstOnChainSchema.toString()).to.be.eq(Shema);
+    await usingApi(async (api) => {
+      const collectionId = await createCollectionExpectSuccess();
+      const setShema = api.tx.nft.setConstOnChainSchema(collectionId, Shema);
+      await submitTransactionAsync(Alice, setShema);
+      const collection: any = (await api.query.nft.collectionById(collectionId)).toJSON();
+      expect(collection.ConstOnChainSchema.toString()).to.be.eq(Shema);
 
     });
   });
modifiedtests/src/setContractSponsoringRateLimit.test.tsdiffbeforeafterboth
--- a/tests/src/setContractSponsoringRateLimit.test.ts
+++ b/tests/src/setContractSponsoringRateLimit.test.ts
@@ -59,7 +59,7 @@
 
   it('fails when called by non-owning user', async () => {
     await usingApi(async (api) => {
-      const [flipper, _] = await deployFlipper(api);
+      const [flipper] = await deployFlipper(api);
 
       await setContractSponsoringRateLimitExpectFailure(alice, flipper.address, 1);
     });
modifiedtests/src/setPublicAccessMode.test.tsdiffbeforeafterboth
--- a/tests/src/setPublicAccessMode.test.ts
+++ b/tests/src/setPublicAccessMode.test.ts
@@ -1,95 +1,94 @@
-//
-// This file is subject to the terms and conditions defined in
-// file 'LICENSE', which is part of this source code package.
-//
-
-// https://unique-network.readthedocs.io/en/latest/jsapi.html#setschemaversion
-import { ApiPromise, Keyring } from '@polkadot/api';
-import { IKeyringPair } from '@polkadot/types/types';
-import chai from 'chai';
-import chaiAsPromised from 'chai-as-promised';
-import privateKey from './substrate/privateKey';
-import usingApi, {submitTransactionExpectFailAsync} from './substrate/substrate-api';
-import {
-  addToWhiteListExpectSuccess,
-  createCollectionExpectSuccess,
-  createItemExpectSuccess,
-  destroyCollectionExpectSuccess,
-  enablePublicMintingExpectSuccess,
-  enableWhiteListExpectSuccess,
-  normalizeAccountId,
-} from './util/helpers';
-import { utf16ToStr } from './util/util';
-
-chai.use(chaiAsPromised);
-const expect = chai.expect;
-
-let Alice: IKeyringPair;
-let Bob: IKeyringPair;
-
-describe('Integration Test setPublicAccessMode(): ', () => {
-  before(async () => {
-    await usingApi(async (api) => {
-      Alice = privateKey('//Alice');
-      Bob = privateKey('//Bob');
-    });
-  });
-
-  it('Run extrinsic with collection id parameters, set the whitelist mode for the collection', async () => {
-    await usingApi(async (api: ApiPromise) => {
-      const collectionId: number = await createCollectionExpectSuccess();
-      await enableWhiteListExpectSuccess(Alice, collectionId);
-      await enablePublicMintingExpectSuccess(Alice, collectionId);
-      await addToWhiteListExpectSuccess(Alice, collectionId, Bob.address);
-      await createItemExpectSuccess(Bob, collectionId, 'NFT', Bob.address);
-    });
-  });
-
-  it('Whitelisted collection limits', async () => {
-    await usingApi(async (api: ApiPromise) => {
-      const collectionId = await createCollectionExpectSuccess();
-      await enableWhiteListExpectSuccess(Alice, collectionId);
-      await enablePublicMintingExpectSuccess(Alice, collectionId);
-      const tx = api.tx.nft.createItem(collectionId, normalizeAccountId(Bob.address), 'NFT');
-      await expect(submitTransactionExpectFailAsync(Bob, tx)).to.be.rejected;
-    });
-  });
-});
-
-describe('Negative Integration Test ext. setPublicAccessMode(): ', () => {
-  it('Set a non-existent collection', async () => {
-    await usingApi(async (api: ApiPromise) => {
-      // tslint:disable-next-line: radix
-      const collectionId = parseInt((await api.query.nft.createdCollectionCount()).toString()) + 1;
-      const tx = api.tx.nft.setPublicAccessMode(collectionId, 'WhiteList');
-      await expect(submitTransactionExpectFailAsync(Alice, tx)).to.be.rejected;
-    });
-  });
-
-  it('Set the collection that has been deleted', async () => {
-    await usingApi(async (api: ApiPromise) => {
-      // tslint:disable-next-line: no-bitwise
-      const collectionId = await createCollectionExpectSuccess();
-      await destroyCollectionExpectSuccess(collectionId);
-      const tx = api.tx.nft.setPublicAccessMode(collectionId, 'WhiteList');
-      await expect(submitTransactionExpectFailAsync(Alice, tx)).to.be.rejected;
-    });
-  });
-
-  it('Re-set the list mode already set in quantity', async () => {
-    await usingApi(async (api: ApiPromise) => {
-      const collectionId: number = await createCollectionExpectSuccess();
-      await enableWhiteListExpectSuccess(Alice, collectionId);
-      await enableWhiteListExpectSuccess(Alice, collectionId);
-    });
-  });
-
-  it('Execute method not on behalf of the collection owner', async () => {
-    await usingApi(async (api: ApiPromise) => {
-      // tslint:disable-next-line: no-bitwise
-      const collectionId = await createCollectionExpectSuccess();
-      const tx = api.tx.nft.setPublicAccessMode(collectionId, 'WhiteList');
-      await expect(submitTransactionExpectFailAsync(Bob, tx)).to.be.rejected;
-    });
-  });
-});
+//
+// This file is subject to the terms and conditions defined in
+// file 'LICENSE', which is part of this source code package.
+//
+
+// https://unique-network.readthedocs.io/en/latest/jsapi.html#setschemaversion
+import { ApiPromise } from '@polkadot/api';
+import { IKeyringPair } from '@polkadot/types/types';
+import chai from 'chai';
+import chaiAsPromised from 'chai-as-promised';
+import privateKey from './substrate/privateKey';
+import usingApi, {submitTransactionExpectFailAsync} from './substrate/substrate-api';
+import {
+  addToWhiteListExpectSuccess,
+  createCollectionExpectSuccess,
+  createItemExpectSuccess,
+  destroyCollectionExpectSuccess,
+  enablePublicMintingExpectSuccess,
+  enableWhiteListExpectSuccess,
+  normalizeAccountId,
+} from './util/helpers';
+
+chai.use(chaiAsPromised);
+const expect = chai.expect;
+
+let Alice: IKeyringPair;
+let Bob: IKeyringPair;
+
+describe('Integration Test setPublicAccessMode(): ', () => {
+  before(async () => {
+    await usingApi(async () => {
+      Alice = privateKey('//Alice');
+      Bob = privateKey('//Bob');
+    });
+  });
+
+  it('Run extrinsic with collection id parameters, set the whitelist mode for the collection', async () => {
+    await usingApi(async () => {
+      const collectionId: number = await createCollectionExpectSuccess();
+      await enableWhiteListExpectSuccess(Alice, collectionId);
+      await enablePublicMintingExpectSuccess(Alice, collectionId);
+      await addToWhiteListExpectSuccess(Alice, collectionId, Bob.address);
+      await createItemExpectSuccess(Bob, collectionId, 'NFT', Bob.address);
+    });
+  });
+
+  it('Whitelisted collection limits', async () => {
+    await usingApi(async (api: ApiPromise) => {
+      const collectionId = await createCollectionExpectSuccess();
+      await enableWhiteListExpectSuccess(Alice, collectionId);
+      await enablePublicMintingExpectSuccess(Alice, collectionId);
+      const tx = api.tx.nft.createItem(collectionId, normalizeAccountId(Bob.address), 'NFT');
+      await expect(submitTransactionExpectFailAsync(Bob, tx)).to.be.rejected;
+    });
+  });
+});
+
+describe('Negative Integration Test ext. setPublicAccessMode(): ', () => {
+  it('Set a non-existent collection', async () => {
+    await usingApi(async (api: ApiPromise) => {
+      // tslint:disable-next-line: radix
+      const collectionId = parseInt((await api.query.nft.createdCollectionCount()).toString()) + 1;
+      const tx = api.tx.nft.setPublicAccessMode(collectionId, 'WhiteList');
+      await expect(submitTransactionExpectFailAsync(Alice, tx)).to.be.rejected;
+    });
+  });
+
+  it('Set the collection that has been deleted', async () => {
+    await usingApi(async (api: ApiPromise) => {
+      // tslint:disable-next-line: no-bitwise
+      const collectionId = await createCollectionExpectSuccess();
+      await destroyCollectionExpectSuccess(collectionId);
+      const tx = api.tx.nft.setPublicAccessMode(collectionId, 'WhiteList');
+      await expect(submitTransactionExpectFailAsync(Alice, tx)).to.be.rejected;
+    });
+  });
+
+  it('Re-set the list mode already set in quantity', async () => {
+    await usingApi(async () => {
+      const collectionId: number = await createCollectionExpectSuccess();
+      await enableWhiteListExpectSuccess(Alice, collectionId);
+      await enableWhiteListExpectSuccess(Alice, collectionId);
+    });
+  });
+
+  it('Execute method not on behalf of the collection owner', async () => {
+    await usingApi(async (api: ApiPromise) => {
+      // tslint:disable-next-line: no-bitwise
+      const collectionId = await createCollectionExpectSuccess();
+      const tx = api.tx.nft.setPublicAccessMode(collectionId, 'WhiteList');
+      await expect(submitTransactionExpectFailAsync(Bob, tx)).to.be.rejected;
+    });
+  });
+});
modifiedtests/src/setSchemaVersion.test.tsdiffbeforeafterboth
--- a/tests/src/setSchemaVersion.test.ts
+++ b/tests/src/setSchemaVersion.test.ts
@@ -103,7 +103,7 @@
   it('execute setSchemaVersion with not correct schema version', async () => {
     await usingApi(async (api: ApiPromise) => {
       const consoleError = console.error;
-      console.error = (message: string) => {};
+      console.error = () => {};
       try {
         tx = api.tx.nft.setSchemaVersion(collectionIdForTesting, 'Test');
         await submitTransactionAsync(alice, tx);
modifiedtests/src/setVariableMetaData.test.tsdiffbeforeafterboth
--- a/tests/src/setVariableMetaData.test.ts
+++ b/tests/src/setVariableMetaData.test.ts
@@ -49,7 +49,7 @@
 });
 
 describe('Negative Integration Test setVariableMetaData', () => {
-  let data = [1];
+  const data = [1];
 
   let alice: IKeyringPair;
   let bob: IKeyringPair;
@@ -69,7 +69,7 @@
 
   it('fails on not existing collection id', async () => {
     await usingApi(async api => {
-      let nonExistingCollectionId = await findNotExistingCollection(api);
+      const nonExistingCollectionId = await findNotExistingCollection(api);
       await setVariableMetaDataExpectFailure(alice, nonExistingCollectionId, 1, data);
     });
   });
modifiedtests/src/setVariableOnChainSchema.test.tsdiffbeforeafterboth
--- a/tests/src/setVariableOnChainSchema.test.ts
+++ b/tests/src/setVariableOnChainSchema.test.ts
@@ -23,7 +23,7 @@
 let largeSchema: any;
 
 before(async () => {
-  await usingApi(async (api) => {
+  await usingApi(async () => {
     const keyring = new Keyring({ type: 'sr25519' });
     Alice = keyring.addFromUri('//Alice');
     Bob = keyring.addFromUri('//Bob');
@@ -35,7 +35,7 @@
 describe('Integration Test ext. setVariableOnChainSchema()', () => {
 
   it('Run extrinsic with parameters of the collection id, set the scheme', async () => {
-      await usingApi(async (api) => {
+    await usingApi(async (api) => {
       const collectionId = await createCollectionExpectSuccess();
       const collection: any = (await api.query.nft.collectionById(collectionId)).toJSON();
       expect(collection.Owner).to.be.deep.eq(normalizeAccountId(Alice.address));
@@ -45,12 +45,12 @@
   });
 
   it('Checking collection data using the setVariableOnChainSchema parameter', async () => {
-      await usingApi(async (api) => {
-        const collectionId = await createCollectionExpectSuccess();
-        const setSchema = api.tx.nft.setVariableOnChainSchema(collectionId, Schema);
-        await submitTransactionAsync(Alice, setSchema);
-        const collection: any = (await api.query.nft.collectionById(collectionId)).toJSON();
-        expect(collection.VariableOnChainSchema.toString()).to.be.eq(Schema);
+    await usingApi(async (api) => {
+      const collectionId = await createCollectionExpectSuccess();
+      const setSchema = api.tx.nft.setVariableOnChainSchema(collectionId, Schema);
+      await submitTransactionAsync(Alice, setSchema);
+      const collection: any = (await api.query.nft.collectionById(collectionId)).toJSON();
+      expect(collection.VariableOnChainSchema.toString()).to.be.eq(Schema);
 
     });
   });
modifiedtests/src/substrate/privateKey.tsdiffbeforeafterboth
--- a/tests/src/substrate/privateKey.ts
+++ b/tests/src/substrate/privateKey.ts
@@ -3,8 +3,8 @@
 // file 'LICENSE', which is part of this source code package.
 //
 
-import { Keyring } from "@polkadot/api";
-import { IKeyringPair } from "@polkadot/types/types";
+import { Keyring } from '@polkadot/api';
+import { IKeyringPair } from '@polkadot/types/types';
 
 export default function privateKey(account: string): IKeyringPair {
   const keyring = new Keyring({ type: 'sr25519' });
modifiedtests/src/substrate/promisify-substrate.tsdiffbeforeafterboth
--- a/tests/src/substrate/promisify-substrate.ts
+++ b/tests/src/substrate/promisify-substrate.ts
@@ -3,7 +3,7 @@
 // file 'LICENSE', which is part of this source code package.
 //
 
-import { ApiPromise } from "@polkadot/api";
+import { ApiPromise } from '@polkadot/api';
 
 type PromiseType<T> = T extends PromiseLike<infer TInner> ? TInner : T;
 
modifiedtests/src/substrate/substrate-api.tsdiffbeforeafterboth
--- a/tests/src/substrate/substrate-api.ts
+++ b/tests/src/substrate/substrate-api.ts
@@ -3,32 +3,39 @@
 // file 'LICENSE', which is part of this source code package.
 //
 
-import { WsProvider, ApiPromise } from "@polkadot/api";
+import { WsProvider, ApiPromise } from '@polkadot/api';
 import { EventRecord } from '@polkadot/types/interfaces/system/types';
 import { ExtrinsicStatus } from '@polkadot/types/interfaces/author/types';
-import { IKeyringPair } from "@polkadot/types/types";
+import { IKeyringPair } from '@polkadot/types/types';
 
-import config from "../config";
-import promisifySubstrate from "./promisify-substrate";
-import { ApiOptions, SubmittableExtrinsic, ApiTypes } from "@polkadot/api/types";
-import rtt from "../../../runtime_types.json";
+import config from '../config';
+import promisifySubstrate from './promisify-substrate';
+import { ApiOptions, SubmittableExtrinsic, ApiTypes } from '@polkadot/api/types';
+import rtt from '../../../runtime_types.json';
 
 function defaultApiOptions(): ApiOptions {
   const wsProvider = new WsProvider(config.substrateUrl);
-  return { provider: wsProvider, types: rtt };
+  return {
+    provider: wsProvider, types: rtt, signedExtensions: {
+      ContractHelpers: {
+        extrinsic: {},
+        payload: {},
+      },
+    },
+  };
 }
 
 export default async function usingApi<T = void>(action: (api: ApiPromise) => Promise<T>, settings: ApiOptions | undefined = undefined): Promise<T> {
   settings = settings || defaultApiOptions();
-  let api: ApiPromise = new ApiPromise(settings);
+  const api: ApiPromise = new ApiPromise(settings);
   let result: T = null as unknown as T;
 
   // TODO: Remove, this is temporary: Filter unneeded API output 
   // (Jaco promised it will be removed in the next version)
   const consoleErr = console.error;
   console.error = (message: string) => {
-    if (message.includes("StorageChangeSet:: WebSocket is not connected") || message.includes("2021-")) {}
-    else consoleErr(message);
+    if (!message.includes('StorageChangeSet:: WebSocket is not connected') || message.includes('2021-'))
+      consoleErr(message);
   };
 
   try {
@@ -72,6 +79,7 @@
 
 export function
 submitTransactionAsync(sender: IKeyringPair, transaction: SubmittableExtrinsic<ApiTypes>): Promise<EventRecord[]> {
+  /* eslint no-async-promise-executor: "off" */
   return new Promise(async (resolve, reject) => {
     try {
       await transaction.signAndSend(sender, ({ events = [], status }) => {
@@ -97,6 +105,7 @@
   console.error = () => {};
   console.log = () => {};
 
+  /* eslint no-async-promise-executor: "off" */
   return new Promise<EventRecord[]>(async function(res, rej) {
     const resolve = (rec: EventRecord[]) => {
       setTimeout(() => {
modifiedtests/src/substrate/wait-new-blocks.tsdiffbeforeafterboth
--- a/tests/src/substrate/wait-new-blocks.ts
+++ b/tests/src/substrate/wait-new-blocks.ts
@@ -3,15 +3,16 @@
 // file 'LICENSE', which is part of this source code package.
 //
 
-import { ApiPromise } from "@polkadot/api";
+import { ApiPromise } from '@polkadot/api';
 
-export default function waitNewBlocks(api: ApiPromise, blocksCount: number = 1): Promise<void> {
-  const promise = new Promise<void>(async (resolve, reject) => {
+/* eslint no-async-promise-executor: "off" */
+export default function waitNewBlocks(api: ApiPromise, blocksCount = 1): Promise<void> {
+  const promise = new Promise<void>(async (resolve) => {
     
-    const unsubscribe = await api.rpc.chain.subscribeNewHeads(head => {
-      if(blocksCount > 0) {
+    const unsubscribe = await api.rpc.chain.subscribeNewHeads(() => {
+      if (blocksCount > 0) {
         blocksCount--;
-      }else {
+      } else {
         unsubscribe();
         resolve();
       }
modifiedtests/src/toggleContractWhiteList.test.tsdiffbeforeafterboth
--- a/tests/src/toggleContractWhiteList.test.ts
+++ b/tests/src/toggleContractWhiteList.test.ts
@@ -3,17 +3,17 @@
 // file 'LICENSE', which is part of this source code package.
 //
 
-import chai from "chai";
+import chai from 'chai';
 import chaiAsPromised from 'chai-as-promised';
-import usingApi, { submitTransactionAsync, submitTransactionExpectFailAsync } from "./substrate/substrate-api";
-import privateKey from "./substrate/privateKey";
+import usingApi, { submitTransactionAsync, submitTransactionExpectFailAsync } from './substrate/substrate-api';
+import privateKey from './substrate/privateKey';
 import {
   deployFlipper,
-  getFlipValue
-} from "./util/contracthelpers";
+  getFlipValue,
+} from './util/contracthelpers';
 import {
-  getGenericResult
-} from "./util/helpers"
+  getGenericResult,
+} from './util/helpers';
 
 chai.use(chaiAsPromised);
 const expect = chai.expect;
@@ -23,7 +23,7 @@
 
 describe('Integration Test toggleContractWhiteList', () => {
 
-  it(`Enable white list contract mode`, async () => {
+  it('Enable white list contract mode', async () => {
     await usingApi(async api => {
       const [contract, deployer] = await deployFlipper(api);
 
@@ -38,9 +38,9 @@
     });
   });
 
-  it(`Only whitelisted account can call contract`, async () => {
+  it('Only whitelisted account can call contract', async () => {
     await usingApi(async api => {
-      const bob = privateKey("//Bob");
+      const bob = privateKey('//Bob');
 
       const [contract, deployer] = await deployFlipper(api);
 
@@ -48,59 +48,59 @@
       const flip = contract.tx.flip(value, gasLimit);
       await submitTransactionAsync(bob, flip);
       const flipValueAfter = await getFlipValue(contract,deployer);
-      expect(flipValueAfter).to.be.eq(!flipValueBefore, `Anyone can call new contract.`);
+      expect(flipValueAfter).to.be.eq(!flipValueBefore, 'Anyone can call new contract.');
 
       const deployerCanFlip = async () => {
-        let flipValueBefore = await getFlipValue(contract, deployer);
+        const flipValueBefore = await getFlipValue(contract, deployer);
         const deployerFlip = contract.tx.flip(value, gasLimit);
         await submitTransactionAsync(deployer, deployerFlip);
         const aliceFlip1Response = await getFlipValue(contract, deployer);
-        expect(aliceFlip1Response).to.be.eq(!flipValueBefore, `Deployer always can flip.`);
+        expect(aliceFlip1Response).to.be.eq(!flipValueBefore, 'Deployer always can flip.');
       };
       await deployerCanFlip();
 
       flipValueBefore = await getFlipValue(contract, deployer);
       const enableWhiteListTx = api.tx.nft.toggleContractWhiteList(contract.address, true);
-      const enableResult = await submitTransactionAsync(deployer, enableWhiteListTx);
+      await submitTransactionAsync(deployer, enableWhiteListTx);
       const flipWithEnabledWhiteList = contract.tx.flip(value, gasLimit);
       await expect(submitTransactionExpectFailAsync(bob, flipWithEnabledWhiteList)).to.be.rejected;
       const flipValueAfterEnableWhiteList = await getFlipValue(contract, deployer);
-      expect(flipValueAfterEnableWhiteList).to.be.eq(flipValueBefore, `Enabling whitelist doesn't make it possible to call contract for everyone.`);
+      expect(flipValueAfterEnableWhiteList).to.be.eq(flipValueBefore, 'Enabling whitelist doesn\'t make it possible to call contract for everyone.');
 
       await deployerCanFlip();
 
       flipValueBefore = await getFlipValue(contract, deployer);
       const addBobToWhiteListTx = api.tx.nft.addToContractWhiteList(contract.address, bob.address);
-      const addBobResult = await submitTransactionAsync(deployer, addBobToWhiteListTx);
+      await submitTransactionAsync(deployer, addBobToWhiteListTx);
       const flipWithWhitelistedBob = contract.tx.flip(value, gasLimit);
       await submitTransactionAsync(bob, flipWithWhitelistedBob);
       const flipAfterWhiteListed = await getFlipValue(contract,deployer);
-      expect(flipAfterWhiteListed).to.be.eq(!flipValueBefore, `Bob was whitelisted, now he can flip.`);
+      expect(flipAfterWhiteListed).to.be.eq(!flipValueBefore, 'Bob was whitelisted, now he can flip.');
 
       await deployerCanFlip();
 
       flipValueBefore = await getFlipValue(contract, deployer);
       const removeBobFromWhiteListTx = api.tx.nft.removeFromContractWhiteList(contract.address, bob.address);
-      const removeBobResult = await submitTransactionAsync(deployer, removeBobFromWhiteListTx);
+      await submitTransactionAsync(deployer, removeBobFromWhiteListTx);
       const bobRemoved = contract.tx.flip(value, gasLimit);
       await expect(submitTransactionExpectFailAsync(bob, bobRemoved)).to.be.rejected;
       const afterBobRemoved = await getFlipValue(contract, deployer);
-      expect(afterBobRemoved).to.be.eq(flipValueBefore, `Bob can't call contract, now when he is removeed from white list.`);
+      expect(afterBobRemoved).to.be.eq(flipValueBefore, 'Bob can\'t call contract, now when he is removeed from white list.');
 
       await deployerCanFlip();
 
       flipValueBefore = await getFlipValue(contract, deployer);
       const disableWhiteListTx = api.tx.nft.toggleContractWhiteList(contract.address, false);
-      const disableWhiteListResult = await submitTransactionAsync(deployer, disableWhiteListTx);
+      await submitTransactionAsync(deployer, disableWhiteListTx);
       const whiteListDisabledFlip = contract.tx.flip(value, gasLimit);
       await submitTransactionAsync(bob, whiteListDisabledFlip);
       const afterWhiteListDisabled = await getFlipValue(contract,deployer);
-      expect(afterWhiteListDisabled).to.be.eq(!flipValueBefore, `Anyone can call contract with disabled whitelist.`);
+      expect(afterWhiteListDisabled).to.be.eq(!flipValueBefore, 'Anyone can call contract with disabled whitelist.');
 
     });
   });
 
-  it(`Enabling white list repeatedly should not produce errors`, async () => {
+  it('Enabling white list repeatedly should not produce errors', async () => {
     await usingApi(async api => {
       const [contract, deployer] = await deployFlipper(api);
 
@@ -123,10 +123,10 @@
 
 describe('Negative Integration Test toggleContractWhiteList', () => {
 
-  it(`Enable white list for a non-contract`, async () => {
+  it('Enable white list for a non-contract', async () => {
     await usingApi(async api => {
-      const alice = privateKey("//Alice");
-      const bobGuineaPig = privateKey("//Bob");
+      const alice = privateKey('//Alice');
+      const bobGuineaPig = privateKey('//Bob');
 
       const enabledBefore = (await api.query.nft.contractWhiteListEnabled(bobGuineaPig.address)).toJSON();
       const enableWhiteListTx = api.tx.nft.toggleContractWhiteList(bobGuineaPig.address, true);
@@ -138,10 +138,10 @@
     });
   });
 
-  it(`Enable white list using a non-owner address`, async () => {
+  it('Enable white list using a non-owner address', async () => {
     await usingApi(async api => {
-      const bob = privateKey("//Bob");
-      const [contract, deployer] = await deployFlipper(api);
+      const bob = privateKey('//Bob');
+      const [contract] = await deployFlipper(api);
 
       const enabledBefore = (await api.query.nft.contractWhiteListEnabled(contract.address)).toJSON();
       const enableWhiteListTx = api.tx.nft.toggleContractWhiteList(contract.address, true);
modifiedtests/src/transfer.nload.tsdiffbeforeafterboth
--- a/tests/src/transfer.nload.ts
+++ b/tests/src/transfer.nload.ts
@@ -1,9 +1,14 @@
-import { ApiPromise } from "@polkadot/api";
+//
+// This file is subject to the terms and conditions defined in
+// file 'LICENSE', which is part of this source code package.
+//
+
+import { ApiPromise } from '@polkadot/api';
 import { IKeyringPair } from '@polkadot/types/types';
-import privateKey from "./substrate/privateKey";
-import usingApi, { submitTransactionAsync } from "./substrate/substrate-api";
-import waitNewBlocks from "./substrate/wait-new-blocks";
-import { findUnusedAddresses } from "./util/helpers";
+import privateKey from './substrate/privateKey';
+import usingApi, { submitTransactionAsync } from './substrate/substrate-api';
+import waitNewBlocks from './substrate/wait-new-blocks';
+import { findUnusedAddresses } from './util/helpers';
 import * as cluster from 'cluster';
 import os from 'os';
 
@@ -12,102 +17,102 @@
 
 let counters: { [key: string]: number } = {};
 function increaseCounter(name: string, amount: number) {
-    if (!counters[name]) {
-        counters[name] = 0;
-    }
-    counters[name] += amount;
+  if (!counters[name]) {
+    counters[name] = 0;
+  }
+  counters[name] += amount;
 }
 function flushCounterToMaster() {
-    if (Object.keys(counters).length === 0) {
-        return;
-    }
+  if (Object.keys(counters).length === 0) {
+    return;
+  }
     process.send!(counters);
     counters = {};
 }
 
 async function distributeBalance(source: IKeyringPair, api: ApiPromise, totalAmount: bigint, stages: number) {
-    let accounts = [source];
-    // we don't need source in output array
-    const failedAccounts = [0];
+  const accounts = [source];
+  // we don't need source in output array
+  const failedAccounts = [0];
 
-    const finalUserAmount = 2 ** stages - 1;
-    accounts.push(...await findUnusedAddresses(api, finalUserAmount));
-    // findUnusedAddresses produces at least 1 request per user
-    increaseCounter('requests', finalUserAmount);
+  const finalUserAmount = 2 ** stages - 1;
+  accounts.push(...await findUnusedAddresses(api, finalUserAmount));
+  // findUnusedAddresses produces at least 1 request per user
+  increaseCounter('requests', finalUserAmount);
 
-    for (let stage = 0; stage < stages; stage++) {
-        let usersWithBalance = 2 ** stage;
-        let amount = totalAmount / (2n ** BigInt(stage)) - FEE * BigInt(stage);
-        // console.log(`Stage ${stage}/${stages}, ${usersWithBalance} => ${usersWithBalance * 2} = ${amount}`);
-        let txs = [];
-        for (let i = 0; i < usersWithBalance; i++) {
-            let newUser = accounts[i + usersWithBalance];
-            // console.log(`${accounts[i].address} => ${newUser.address} = ${amountToSplit}`);
-            const tx = api.tx.balances.transfer(newUser.address, amount);
-            txs.push(submitTransactionAsync(accounts[i], tx).catch(e => {
-                failedAccounts.push(i + usersWithBalance);
-                increaseCounter('txFailed', 1);
-            }));
-            increaseCounter('tx', 1);
-        }
-        await Promise.all(txs);
+  for (let stage = 0; stage < stages; stage++) {
+    const usersWithBalance = 2 ** stage;
+    const amount = totalAmount / (2n ** BigInt(stage)) - FEE * BigInt(stage);
+    // console.log(`Stage ${stage}/${stages}, ${usersWithBalance} => ${usersWithBalance * 2} = ${amount}`);
+    const txs = [];
+    for (let i = 0; i < usersWithBalance; i++) {
+      const newUser = accounts[i + usersWithBalance];
+      // console.log(`${accounts[i].address} => ${newUser.address} = ${amountToSplit}`);
+      const tx = api.tx.balances.transfer(newUser.address, amount);
+      txs.push(submitTransactionAsync(accounts[i], tx).catch(() => {
+        failedAccounts.push(i + usersWithBalance);
+        increaseCounter('txFailed', 1);
+      }));
+      increaseCounter('tx', 1);
     }
+    await Promise.all(txs);
+  }
 
-    for (let account of failedAccounts.reverse()) {
-        accounts.splice(account, 1);
-    }
-    return accounts;
+  for (const account of failedAccounts.reverse()) {
+    accounts.splice(account, 1);
+  }
+  return accounts;
 }
 
 if (cluster.isMaster) {
-    let testDone = false;
-    usingApi(async (api) => {
-        let prevCounters: { [key: string]: number } = {};
-        while (!testDone) {
-            for (let name in counters) {
-                if (!(name in prevCounters)) {
-                    prevCounters[name] = 0;
-                }
-                if(counters[name] === prevCounters[name]) {
-                    continue;
-                }
-                console.log(`${name.padEnd(15)} = ${counters[name] - prevCounters[name]}`);
-                prevCounters[name] = counters[name];
-            }
-            await waitNewBlocks(api, 1);
+  let testDone = false;
+  usingApi(async (api) => {
+    const prevCounters: { [key: string]: number } = {};
+    while (!testDone) {
+      for (const name in counters) {
+        if (!(name in prevCounters)) {
+          prevCounters[name] = 0;
+        }
+        if(counters[name] === prevCounters[name]) {
+          continue;
         }
-    });
-    let waiting: Promise<void>[] = [];
-    console.log(`Starting ${os.cpus().length} workers`);
-    usingApi(async (api) => {
-        const alice = privateKey('//Alice');
-        for (let id in os.cpus()) {
-            const WORKER_NAME = `//LoadWorker${id}_${Date.now()}`;
-            const workerAccount = privateKey(WORKER_NAME);
-            const tx = api.tx.balances.transfer(workerAccount.address, 400n * 10n ** 23n);
-            await submitTransactionAsync(alice, tx);
+        console.log(`${name.padEnd(15)} = ${counters[name] - prevCounters[name]}`);
+        prevCounters[name] = counters[name];
+      }
+      await waitNewBlocks(api, 1);
+    }
+  });
+  const waiting: Promise<void>[] = [];
+  console.log(`Starting ${os.cpus().length} workers`);
+  usingApi(async (api) => {
+    const alice = privateKey('//Alice');
+    for (const id in os.cpus()) {
+      const WORKER_NAME = `//LoadWorker${id}_${Date.now()}`;
+      const workerAccount = privateKey(WORKER_NAME);
+      const tx = api.tx.balances.transfer(workerAccount.address, 400n * 10n ** 23n);
+      await submitTransactionAsync(alice, tx);
 
-            let worker = cluster.fork({
-                WORKER_NAME,
-                STAGES: id + 2
-            });
-            worker.on('message', msg => {
-                for (let key in msg) {
-                    increaseCounter(key, msg[key]);
-                }
-            });
-            waiting.push(new Promise(res => worker.on('exit', res)));
+      const worker = cluster.fork({
+        WORKER_NAME,
+        STAGES: id + 2,
+      });
+      worker.on('message', msg => {
+        for (const key in msg) {
+          increaseCounter(key, msg[key]);
         }
-        await Promise.all(waiting);
-        testDone = true;
-    })
+      });
+      waiting.push(new Promise(res => worker.on('exit', res)));
+    }
+    await Promise.all(waiting);
+    testDone = true;
+  });
 } else {
-    increaseCounter('startedWorkers', 1);
-    usingApi(async (api) => {
-        await distributeBalance(privateKey(process.env.WORKER_NAME as string), api, 400n * 10n ** 22n, 10);
-    });
-    const interval = setInterval(() => {
-        flushCounterToMaster();
-    }, 100);
-    interval.unref();
+  increaseCounter('startedWorkers', 1);
+  usingApi(async (api) => {
+    await distributeBalance(privateKey(process.env.WORKER_NAME as string), api, 400n * 10n ** 22n, 10);
+  });
+  const interval = setInterval(() => {
+    flushCounterToMaster();
+  }, 100);
+  interval.unref();
 }
\ No newline at end of file
modifiedtests/src/transfer.test.tsdiffbeforeafterboth
--- a/tests/src/transfer.test.ts
+++ b/tests/src/transfer.test.ts
@@ -64,7 +64,7 @@
   });
 
   it('User can transfer owned token', async () => {
-    await usingApi(async (api) => {
+    await usingApi(async () => {
       const Alice = privateKey('//Alice');
       const Bob = privateKey('//Bob');
       // nft
@@ -77,17 +77,23 @@
       await transferExpectSuccess(fungibleCollectionId, newFungibleTokenId, Alice, Bob, 1, 'Fungible');
       // reFungible
       const reFungibleCollectionId = await
-        createCollectionExpectSuccess({mode: {type: 'ReFungible'}});
+      createCollectionExpectSuccess({mode: {type: 'ReFungible'}});
       const newReFungibleTokenId = await createItemExpectSuccess(Alice, reFungibleCollectionId, 'ReFungible');
-      await transferExpectSuccess(reFungibleCollectionId,
-        newReFungibleTokenId, Alice, Bob, 100, 'ReFungible');
+      await transferExpectSuccess(
+        reFungibleCollectionId,
+        newReFungibleTokenId,
+        Alice,
+        Bob,
+        100,
+        'ReFungible',
+      );
     });
   });
 });
 
 describe('Negative Integration Test Transfer(recipient, collection_id, item_id, value)', () => {
   before(async () => {
-    await usingApi(async (api: ApiPromise) => {
+    await usingApi(async () => {
       Alice = privateKey('//Alice');
       Bob = privateKey('//Bob');
       Charlie = privateKey('//Charlie');
@@ -119,11 +125,17 @@
     await transferExpectFail(fungibleCollectionId, newFungibleTokenId, Alice, Bob, 1, 'Fungible');
     // reFungible
     const reFungibleCollectionId = await
-      createCollectionExpectSuccess({mode: {type: 'ReFungible'}});
+    createCollectionExpectSuccess({mode: {type: 'ReFungible'}});
     const newReFungibleTokenId = await createItemExpectSuccess(Alice, reFungibleCollectionId, 'ReFungible');
     await destroyCollectionExpectSuccess(reFungibleCollectionId);
-    await transferExpectFail(reFungibleCollectionId,
-      newReFungibleTokenId, Alice, Bob, 1, 'ReFungible');
+    await transferExpectFail(
+      reFungibleCollectionId,
+      newReFungibleTokenId,
+      Alice,
+      Bob,
+      1,
+      'ReFungible',
+    );
   });
   it('Transfer with not existed item_id', async () => {
     // nft
@@ -134,9 +146,15 @@
     await transferExpectFail(fungibleCollectionId, 2, Alice, Bob, 1, 'Fungible');
     // reFungible
     const reFungibleCollectionId = await
-      createCollectionExpectSuccess({mode: {type: 'ReFungible'}});
-    await transferExpectFail(reFungibleCollectionId,
-      2, Alice, Bob, 1, 'ReFungible');
+    createCollectionExpectSuccess({mode: {type: 'ReFungible'}});
+    await transferExpectFail(
+      reFungibleCollectionId,
+      2,
+      Alice,
+      Bob,
+      1,
+      'ReFungible',
+    );
   });
   it('Transfer with deleted item_id', async () => {
     // nft
@@ -151,11 +169,17 @@
     await transferExpectFail(fungibleCollectionId, newFungibleTokenId, Alice, Bob, 1, 'Fungible');
     // reFungible
     const reFungibleCollectionId = await
-      createCollectionExpectSuccess({mode: {type: 'ReFungible'}});
+    createCollectionExpectSuccess({mode: {type: 'ReFungible'}});
     const newReFungibleTokenId = await createItemExpectSuccess(Alice, reFungibleCollectionId, 'ReFungible');
     await burnItemExpectSuccess(Alice, reFungibleCollectionId, newReFungibleTokenId, 1);
-    await transferExpectFail(reFungibleCollectionId,
-      newReFungibleTokenId, Alice, Bob, 1, 'ReFungible');
+    await transferExpectFail(
+      reFungibleCollectionId,
+      newReFungibleTokenId,
+      Alice,
+      Bob,
+      1,
+      'ReFungible',
+    );
   });
   it('Transfer with recipient that is not owner', async () => {
     // nft
@@ -168,9 +192,15 @@
     await transferExpectFail(fungibleCollectionId, newFungibleTokenId, Charlie, Bob, 1, 'Fungible');
     // reFungible
     const reFungibleCollectionId = await
-      createCollectionExpectSuccess({mode: {type: 'ReFungible'}});
+    createCollectionExpectSuccess({mode: {type: 'ReFungible'}});
     const newReFungibleTokenId = await createItemExpectSuccess(Alice, reFungibleCollectionId, 'ReFungible');
-    await transferExpectFail(reFungibleCollectionId,
-      newReFungibleTokenId, Charlie, Bob, 1, 'ReFungible');
+    await transferExpectFail(
+      reFungibleCollectionId,
+      newReFungibleTokenId,
+      Charlie,
+      Bob,
+      1,
+      'ReFungible',
+    );
   });
 });
modifiedtests/src/transferFrom.test.tsdiffbeforeafterboth
--- a/tests/src/transferFrom.test.ts
+++ b/tests/src/transferFrom.test.ts
@@ -14,7 +14,6 @@
   createCollectionExpectSuccess,
   createFungibleItemExpectSuccess,
   createItemExpectSuccess,
-  destroyCollectionExpectSuccess,
   getAllowance,
   transferFromExpectFail,
   transferFromExpectSuccess,
@@ -31,7 +30,7 @@
   let Charlie: IKeyringPair;
 
   before(async () => {
-    await usingApi(async (api) => {
+    await usingApi(async () => {
       Alice = privateKey('//Alice');
       Bob = privateKey('//Bob');
       Charlie = privateKey('//Charlie');
@@ -39,7 +38,7 @@
   });
 
   it('Execute the extrinsic and check nftItemList - owner of token', async () => {
-    await usingApi(async (api: ApiPromise) => {
+    await usingApi(async () => {
       // nft
       const nftCollectionId = await createCollectionExpectSuccess();
       const newNftTokenId = await createItemExpectSuccess(Alice, nftCollectionId, 'NFT');
@@ -52,13 +51,21 @@
       const newFungibleTokenId = await createItemExpectSuccess(Alice, fungibleCollectionId, 'Fungible');
       await approveExpectSuccess(fungibleCollectionId, newFungibleTokenId, Alice, Bob);
       await transferFromExpectSuccess(fungibleCollectionId, newFungibleTokenId, Bob, Alice, Charlie, 1, 'Fungible');
+
       // reFungible
       const reFungibleCollectionId = await
-        createCollectionExpectSuccess({mode: {type: 'ReFungible'}});
+      createCollectionExpectSuccess({mode: {type: 'ReFungible'}});
       const newReFungibleTokenId = await createItemExpectSuccess(Alice, reFungibleCollectionId, 'ReFungible');
       await approveExpectSuccess(reFungibleCollectionId, newReFungibleTokenId, Alice, Bob, 100);
-      await transferFromExpectSuccess(reFungibleCollectionId,
-        newReFungibleTokenId, Bob, Alice, Charlie, 100, 'ReFungible');
+      await transferFromExpectSuccess(
+        reFungibleCollectionId,
+        newReFungibleTokenId,
+        Bob,
+        Alice,
+        Charlie,
+        100,
+        'ReFungible',
+      );
     });
   });
 
@@ -92,7 +99,7 @@
   let Charlie: IKeyringPair;
 
   before(async () => {
-    await usingApi(async (api) => {
+    await usingApi(async () => {
       Alice = privateKey('//Alice');
       Bob = privateKey('//Bob');
       Charlie = privateKey('//Charlie');
@@ -139,7 +146,7 @@
   }); */
 
   it('transferFrom for not approved address', async () => {
-    await usingApi(async (api: ApiPromise) => {
+    await usingApi(async () => {
       // nft
       const nftCollectionId = await createCollectionExpectSuccess();
       const newNftTokenId = await createItemExpectSuccess(Alice, nftCollectionId, 'NFT');
@@ -152,15 +159,21 @@
       await transferFromExpectFail(fungibleCollectionId, newFungibleTokenId, Bob, Alice, Charlie, 1);
       // reFungible
       const reFungibleCollectionId = await
-        createCollectionExpectSuccess({mode: {type: 'ReFungible'}});
+      createCollectionExpectSuccess({mode: {type: 'ReFungible'}});
       const newReFungibleTokenId = await createItemExpectSuccess(Alice, reFungibleCollectionId, 'ReFungible');
-      await transferFromExpectFail(reFungibleCollectionId,
-        newReFungibleTokenId, Bob, Alice, Charlie, 1);
+      await transferFromExpectFail(
+        reFungibleCollectionId,
+        newReFungibleTokenId,
+        Bob,
+        Alice,
+        Charlie,
+        1,
+      );
     });
   });
 
   it('transferFrom incorrect token count', async () => {
-    await usingApi(async (api: ApiPromise) => {
+    await usingApi(async () => {
       // nft
       const nftCollectionId = await createCollectionExpectSuccess();
       const newNftTokenId = await createItemExpectSuccess(Alice, nftCollectionId, 'NFT');
@@ -175,16 +188,22 @@
       await transferFromExpectFail(fungibleCollectionId, newFungibleTokenId, Bob, Alice, Charlie, 2);
       // reFungible
       const reFungibleCollectionId = await
-        createCollectionExpectSuccess({mode: {type: 'ReFungible'}});
+      createCollectionExpectSuccess({mode: {type: 'ReFungible'}});
       const newReFungibleTokenId = await createItemExpectSuccess(Alice, reFungibleCollectionId, 'ReFungible');
       await approveExpectSuccess(reFungibleCollectionId, newReFungibleTokenId, Alice, Bob);
-      await transferFromExpectFail(reFungibleCollectionId,
-        newReFungibleTokenId, Bob, Alice, Charlie, 2);
+      await transferFromExpectFail(
+        reFungibleCollectionId,
+        newReFungibleTokenId,
+        Bob,
+        Alice,
+        Charlie,
+        2,
+      );
     });
   });
 
   it('execute transferFrom from account that is not owner of collection', async () => {
-    await usingApi(async (api: ApiPromise) => {
+    await usingApi(async () => {
       const Dave = privateKey('//Dave');
       // nft
       const nftCollectionId = await createCollectionExpectSuccess();
@@ -211,7 +230,7 @@
       }
       // reFungible
       const reFungibleCollectionId = await
-        createCollectionExpectSuccess({mode: {type: 'ReFungible'}});
+      createCollectionExpectSuccess({mode: {type: 'ReFungible'}});
       const newReFungibleTokenId = await createItemExpectSuccess(Alice, reFungibleCollectionId, 'ReFungible');
       try {
         await approveExpectFail(reFungibleCollectionId, newReFungibleTokenId, Dave, Bob);
@@ -223,7 +242,7 @@
     });
   });
   it( 'transferFrom burnt token before approve NFT', async () => {
-    await usingApi(async (api: ApiPromise) => {
+    await usingApi(async () => {
       // nft
       const nftCollectionId = await createCollectionExpectSuccess();
       const newNftTokenId = await createItemExpectSuccess(Alice, nftCollectionId, 'NFT');
@@ -233,7 +252,7 @@
     });
   });
   it( 'transferFrom burnt token before approve Fungible', async () => {
-    await usingApi(async (api: ApiPromise) => {
+    await usingApi(async () => {
       const fungibleCollectionId = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});
       const newFungibleTokenId = await createItemExpectSuccess(Alice, fungibleCollectionId, 'Fungible');
       await burnItemExpectSuccess(Alice, fungibleCollectionId, 1, 10);
@@ -243,7 +262,7 @@
     });
   }); 
   it( 'transferFrom burnt token before approve ReFungible', async () => {
-    await usingApi(async (api: ApiPromise) => {
+    await usingApi(async () => {
       const reFungibleCollectionId = await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});
       const newReFungibleTokenId = await createItemExpectSuccess(Alice, reFungibleCollectionId, 'ReFungible');
       await burnItemExpectSuccess(Alice, reFungibleCollectionId, newReFungibleTokenId, 1);
@@ -254,7 +273,7 @@
   });
   
   it( 'transferFrom burnt token after approve NFT', async () => {
-    await usingApi(async (api: ApiPromise) => {
+    await usingApi(async () => {
       // nft
       const nftCollectionId = await createCollectionExpectSuccess();
       const newNftTokenId = await createItemExpectSuccess(Alice, nftCollectionId, 'NFT');
@@ -264,7 +283,7 @@
     });
   });
   it( 'transferFrom burnt token after approve Fungible', async () => {
-    await usingApi(async (api: ApiPromise) => {
+    await usingApi(async () => {
       const fungibleCollectionId = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});
       const newFungibleTokenId = await createItemExpectSuccess(Alice, fungibleCollectionId, 'Fungible');
       await approveExpectSuccess(fungibleCollectionId, newFungibleTokenId, Alice, Bob);
@@ -274,7 +293,7 @@
     });
   }); 
   it( 'transferFrom burnt token after approve ReFungible', async () => {
-    await usingApi(async (api: ApiPromise) => {
+    await usingApi(async () => {
       const reFungibleCollectionId = await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});
       const newReFungibleTokenId = await createItemExpectSuccess(Alice, reFungibleCollectionId, 'ReFungible');
       await approveExpectSuccess(reFungibleCollectionId, newReFungibleTokenId, Alice, Bob);
modifiedtests/src/util/contracthelpers.tsdiffbeforeafterboth
--- a/tests/src/util/contracthelpers.ts
+++ b/tests/src/util/contracthelpers.ts
@@ -3,13 +3,13 @@
 // file 'LICENSE', which is part of this source code package.
 //
 
-import chai from "chai";
+import chai from 'chai';
 import chaiAsPromised from 'chai-as-promised';
-import { submitTransactionAsync, submitTransactionExpectFailAsync } from "../substrate/substrate-api";
-import fs from "fs";
-import { Abi, BlueprintPromise as Blueprint, CodePromise, ContractPromise as Contract } from "@polkadot/api-contract";
-import { IKeyringPair } from "@polkadot/types/types";
-import { ApiPromise, Keyring } from "@polkadot/api";
+import { submitTransactionAsync, submitTransactionExpectFailAsync } from '../substrate/substrate-api';
+import fs from 'fs';
+import { Abi, CodePromise, ContractPromise as Contract } from '@polkadot/api-contract';
+import { IKeyringPair } from '@polkadot/types/types';
+import { ApiPromise, Keyring } from '@polkadot/api';
 
 chai.use(chaiAsPromised);
 const expect = chai.expect;
@@ -20,8 +20,9 @@
 const gasLimit = '200000000000';
 const endowment = '100000000000000000';
 
-function deployContract(alice: IKeyringPair, code: CodePromise, constructor: string = 'default', ...args: any[]): Promise<Contract> {
-  return new Promise<Contract>(async (resolve, reject) => {
+/* eslint no-async-promise-executor: "off" */
+function deployContract(alice: IKeyringPair, code: CodePromise, constructor = 'default', ...args: any[]): Promise<Contract> {
+  return new Promise<Contract>(async (resolve) => {
     const unsub = await (code as any)
       .tx[constructor]({value: endowment, gasLimit}, ...args)
       .signAndSend(alice, (result: any) => {
@@ -30,7 +31,7 @@
           resolve((result as any).contract);
           unsub();
         }
-      })
+      });
   });
 }
 
@@ -40,7 +41,7 @@
 
   // Transfer balance to it
   const keyring = new Keyring({ type: 'sr25519' });
-  const alice = keyring.addFromUri(`//Alice`);
+  const alice = keyring.addFromUri('//Alice');
   let amount = new BigNumber(endowment);
   amount = amount.plus(100e15);
   const tx = api.tx.balances.transfer(deployer.address, amount.toFixed());
@@ -71,7 +72,7 @@
   const result = await contract.query.get(deployer.address, value, gasLimit);
 
   if(!result.result.isOk) {
-    throw `Failed to get flipper value`;
+    throw 'Failed to get flipper value';
   }
   return (result.result.asOk.data[0] == 0x00) ? false : true;
 }
@@ -87,19 +88,6 @@
 export async function toggleFlipValueExpectFailure(sender: IKeyringPair, contract: Contract) {
   const tx = contract.tx.flip(value, gasLimit);
   await expect(submitTransactionExpectFailAsync(sender, tx)).to.be.rejected;
-}
-
-function instantiateTransferContract(alice: IKeyringPair, blueprint: Blueprint) : Promise<any> {
-  return new Promise<any>(async (resolve, reject) => {
-    const unsub = await blueprint.tx
-    .default(endowment, gasLimit)
-    .signAndSend(alice, (result) => {
-      if (result.status.isInBlock || result.status.isFinalized) {
-        unsub();
-        resolve(result);
-      }
-    });    
-  });
 }
 
 export async function deployTransferContract(api: ApiPromise): Promise<[Contract, IKeyringPair]> {
modifiedtests/src/util/helpers.tsdiffbeforeafterboth
--- a/tests/src/util/helpers.ts
+++ b/tests/src/util/helpers.ts
@@ -4,22 +4,18 @@
 //
 
 import { ApiPromise, Keyring } from '@polkadot/api';
-import { Enum, Struct } from '@polkadot/types/codec';
-import type { AccountId, BlockNumber, Call, EventRecord } from '@polkadot/types/interfaces';
-import { u128 } from '@polkadot/types/primitive';
+import type { AccountId, EventRecord } from '@polkadot/types/interfaces';
 import { IKeyringPair } from '@polkadot/types/types';
 import { evmToAddress } from '@polkadot/util-crypto';
 import { BigNumber } from 'bignumber.js';
 import BN from 'bn.js';
 import chai from 'chai';
 import chaiAsPromised from 'chai-as-promised';
-import { alicesPublicKey, nullPublicKey } from '../accounts';
+import { alicesPublicKey } from '../accounts';
 import privateKey from '../substrate/privateKey';
 import { default as usingApi, submitTransactionAsync, submitTransactionExpectFailAsync } from '../substrate/substrate-api';
 import { ICollectionInterface } from '../types';
 import { hexToStr, strToUTF16, utf16ToStr } from './util';
-import { Compact, Option, Raw, Vec } from '@polkadot/types/codec';
-// import { AccountId, AccountIdOf, AccountIndex, Address, AssetId, Balance, BalanceOf, Block, BlockNumber, Call, ChangesTrieConfiguration, Consensus, ConsensusEngineId, Digest, DigestItem, DispatchClass, DispatchInfo, DispatchInfoTo190, EcdsaSignature, Ed25519Signature, Extrinsic, ExtrinsicEra, ExtrinsicPayload, ExtrinsicPayloadUnknown, ExtrinsicPayloadV1, ExtrinsicPayloadV2, ExtrinsicPayloadV3, ExtrinsicPayloadV4, ExtrinsicSignatureV1, ExtrinsicSignatureV2, ExtrinsicSignatureV3, ExtrinsicSignatureV4, ExtrinsicUnknown, ExtrinsicV1, ExtrinsicV2, ExtrinsicV3, ExtrinsicV4, Hash, Header, ImmortalEra, Index, Justification, KeyTypeId, KeyValue, LockIdentifier, LookupSource, LookupTarget, Moment, MortalEra, MultiSignature, Origin, Perbill, Percent, Permill, Perquintill, Phantom, PhantomData, PreRuntime, Seal, SealV0, Signature, SignedBlock, SignerPayload, Sr25519Signature, ValidatorId, Weight, WeightMultiplier } from '@polkadot/types/interfaces/runtime';
 
 chai.use(chaiAsPromised);
 const expect = chai.expect;
@@ -44,7 +40,7 @@
   }
 
   // AccountId
-  return {substrate: input.toString()}
+  return {substrate: input.toString()};
 }
 export function toSubstrateAddress(input: string | CrossAccountId | IKeyringPair): string {
   input = normalizeAccountId(input);
@@ -91,10 +87,6 @@
   Owner: number[];
   ConstData: number[];
   VariableData: number[];
-}
-
-interface IFungibleTokenDataType {
-  Value: BN;
 }
 
 interface IGetMessage {
@@ -110,9 +102,9 @@
 }
 
 export function nftEventMessage(events: EventRecord[]): IGetMessage {
-  let checkMsgNftMethod: string = '';
-  let checkMsgTrsMethod: string = '';
-  let checkMsgSysMethod: string = '';
+  let checkMsgNftMethod = '';
+  let checkMsgTrsMethod = '';
+  let checkMsgSysMethod = '';
   events.forEach(({ event: { method, section } }) => {
     if (section === 'nft') {
       checkMsgNftMethod = method;
@@ -134,7 +126,7 @@
   const result: GenericResult = {
     success: false,
   };
-  events.forEach(({ phase, event: { data, method, section } }) => {
+  events.forEach(({ event: { method } }) => {
     // console.log(`    ${phase}: ${section}.${method}:: ${data}`);
     if (method === 'ExtrinsicSuccess') {
       result.success = true;
@@ -147,8 +139,8 @@
 
 export function getCreateCollectionResult(events: EventRecord[]): CreateCollectionResult {
   let success = false;
-  let collectionId: number = 0;
-  events.forEach(({ phase, event: { data, method, section } }) => {
+  let collectionId = 0;
+  events.forEach(({ event: { data, method, section } }) => {
     // console.log(`    ${phase}: ${section}.${method}:: ${data}`);
     if (method == 'ExtrinsicSuccess') {
       success = true;
@@ -165,10 +157,10 @@
 
 export function getCreateItemResult(events: EventRecord[]): CreateItemResult {
   let success = false;
-  let collectionId: number = 0;
-  let itemId: number = 0;
+  let collectionId = 0;
+  let itemId = 0;
   let recipient;
-  events.forEach(({ phase, event: { data, method, section } }) => {
+  events.forEach(({ event: { data, method, section } }) => {
     // console.log(`    ${phase}: ${section}.${method}:: ${data}`);
     if (method == 'ExtrinsicSuccess') {
       success = true;
@@ -241,12 +233,12 @@
   mode: { type: 'NFT' },
   name: 'name',
   tokenPrefix: 'prefix',
-}
+};
 
 export async function createCollectionExpectSuccess(params: Partial<CreateCollectionParams> = {}): Promise<number> {
   const { name, description, mode, tokenPrefix } = { ...defaultCreateCollectionParams, ...params };
 
-  let collectionId: number = 0;
+  let collectionId = 0;
   await usingApi(async (api) => {
     // Get number of collections before the transaction
     const AcollectionCount = parseInt((await api.query.nft.createdCollectionCount()).toString(), 10);
@@ -357,9 +349,8 @@
 }
 
 function getDestroyResult(events: EventRecord[]): boolean {
-  let success: boolean = false;
-  events.forEach(({ phase, event: { data, method, section } }) => {
-    // console.log(`    ${phase}: ${section}.${method}:: ${data}`);
+  let success = false;
+  events.forEach(({ event: { method } }) => {
     if (method == 'ExtrinsicSuccess') {
       success = true;
     }
@@ -367,7 +358,7 @@
   return success;
 }
 
-export async function destroyCollectionExpectFailure(collectionId: number, senderSeed: string = '//Alice') {
+export async function destroyCollectionExpectFailure(collectionId: number, senderSeed = '//Alice') {
   await usingApi(async (api) => {
     // Run the DestroyCollection transaction
     const alicePrivateKey = privateKey(senderSeed);
@@ -376,7 +367,7 @@
   });
 }
 
-export async function destroyCollectionExpectSuccess(collectionId: number, senderSeed: string = '//Alice') {
+export async function destroyCollectionExpectSuccess(collectionId: number, senderSeed = '//Alice') {
   await usingApi(async (api) => {
     // Run the DestroyCollection transaction
     const alicePrivateKey = privateKey(senderSeed);
@@ -471,7 +462,7 @@
   });
 }
 
-export async function setCollectionSponsorExpectFailure(collectionId: number, sponsor: string, senderSeed: string = '//Alice') {
+export async function setCollectionSponsorExpectFailure(collectionId: number, sponsor: string, senderSeed = '//Alice') {
   await usingApi(async (api) => {
 
     // Run the transaction
@@ -481,7 +472,7 @@
   });
 }
 
-export async function confirmSponsorshipExpectSuccess(collectionId: number, senderSeed: string = '//Alice') {
+export async function confirmSponsorshipExpectSuccess(collectionId: number, senderSeed = '//Alice') {
   await usingApi(async (api) => {
 
     // Run the transaction
@@ -502,7 +493,7 @@
 }
 
 
-export async function confirmSponsorshipExpectFailure(collectionId: number, senderSeed: string = '//Alice') {
+export async function confirmSponsorshipExpectFailure(collectionId: number, senderSeed = '//Alice') {
   await usingApi(async (api) => {
 
     // Run the transaction
@@ -552,7 +543,7 @@
   });
 }
 
-export async function toggleContractWhitelistExpectSuccess(sender: IKeyringPair, contractAddress: AccountId | string, enabled: boolean) {
+export async function toggleContractWhitelistExpectSuccess(sender: IKeyringPair, contractAddress: AccountId | string) {
   await usingApi(async (api) => {
     const tx = api.tx.nft.toggleContractWhiteList(contractAddress, true);
     const events = await submitTransactionAsync(sender, tx);
@@ -563,7 +554,7 @@
 }
 
 export async function isWhitelistedInContract(contractAddress: AccountId | string, user: string) {
-  let whitelisted: boolean = false;
+  let whitelisted = false;
   await usingApi(async (api) => {
     whitelisted = (await api.query.nft.contractWhiteList(contractAddress, user)).toJSON() as boolean;
   });
@@ -665,8 +656,10 @@
 }
 
 export async function
-  approveExpectSuccess(collectionId: number,
-    tokenId: number, owner: IKeyringPair, approved: IKeyringPair | CrossAccountId | string, amount: number | bigint = 1) {
+approveExpectSuccess(
+  collectionId: number,
+  tokenId: number, owner: IKeyringPair, approved: IKeyringPair | CrossAccountId | string, amount: number | bigint = 1,
+) {
   await usingApi(async (api: ApiPromise) => {
     approved = normalizeAccountId(approved);
     const allowanceBefore =
@@ -683,21 +676,22 @@
 }
 
 export async function
-  transferFromExpectSuccess(collectionId: number,
-    tokenId: number,
-    accountApproved: IKeyringPair,
-    accountFrom: IKeyringPair | CrossAccountId,
-    accountTo: IKeyringPair | CrossAccountId,
-    value: number | bigint = 1,
-    type: string = 'NFT') {
+transferFromExpectSuccess(
+  collectionId: number,
+  tokenId: number,
+  accountApproved: IKeyringPair,
+  accountFrom: IKeyringPair | CrossAccountId,
+  accountTo: IKeyringPair | CrossAccountId,
+  value: number | bigint = 1,
+  type = 'NFT',
+) {
   await usingApi(async (api: ApiPromise) => {
     const to = normalizeAccountId(accountTo);
     let balanceBefore = new BN(0);
     if (type === 'Fungible') {
       balanceBefore = await api.query.nft.balance(collectionId, toSubstrateAddress(to)) as unknown as BN;
     }
-    const transferFromTx = api.tx.nft.transferFrom(
-      normalizeAccountId(accountFrom), to, collectionId, tokenId, value);
+    const transferFromTx = api.tx.nft.transferFrom(normalizeAccountId(accountFrom), to, collectionId, tokenId, value);
     const events = await submitTransactionAsync(accountApproved, transferFromTx);
     const result = getCreateItemResult(events);
     // tslint:disable-next-line:no-unused-expression
@@ -720,15 +714,16 @@
 }
 
 export async function
-  transferFromExpectFail(collectionId: number,
-    tokenId: number,
-    accountApproved: IKeyringPair,
-    accountFrom: IKeyringPair,
-    accountTo: IKeyringPair,
-    value: number | bigint = 1) {
+transferFromExpectFail(
+  collectionId: number,
+  tokenId: number,
+  accountApproved: IKeyringPair,
+  accountFrom: IKeyringPair,
+  accountTo: IKeyringPair,
+  value: number | bigint = 1,
+) {
   await usingApi(async (api: ApiPromise) => {
-    const transferFromTx = api.tx.nft.transferFrom(
-      normalizeAccountId(accountFrom.address), normalizeAccountId(accountTo.address), collectionId, tokenId, value);
+    const transferFromTx = api.tx.nft.transferFrom(normalizeAccountId(accountFrom.address), normalizeAccountId(accountTo.address), collectionId, tokenId, value);
     const events = await expect(submitTransactionExpectFailAsync(accountApproved, transferFromTx)).to.be.rejected;
     const result = getCreateCollectionResult(events);
     // tslint:disable-next-line:no-unused-expression
@@ -736,36 +731,34 @@
   });
 }
 
+/* eslint no-async-promise-executor: "off" */
 async function getBlockNumber(api: ApiPromise): Promise<number> {
-  return new Promise<number>(async (resolve, reject) => {
+  return new Promise<number>(async (resolve) => {
     const unsubscribe = await api.rpc.chain.subscribeNewHeads((head) => {
-        unsubscribe();
-        resolve(head.number.toNumber());
+      unsubscribe();
+      resolve(head.number.toNumber());
     });
   });
 }
 
 export async function
-scheduleTransferExpectSuccess(collectionId: number,
-                      tokenId: number,
-                      sender: IKeyringPair,
-                      recipient: IKeyringPair,
-                      value: number | bigint = 1,
-                      type: string = 'NFT') {
+scheduleTransferExpectSuccess(
+  collectionId: number,
+  tokenId: number,
+  sender: IKeyringPair,
+  recipient: IKeyringPair,
+  value: number | bigint = 1,
+) {
   await usingApi(async (api: ApiPromise) => {
-    let balanceBefore = new BN(0);
-
-
-    let blockNumber: number | undefined = await getBlockNumber(api);
-    let expectedBlockNumber = blockNumber + 2;
+    const blockNumber: number | undefined = await getBlockNumber(api);
+    const expectedBlockNumber = blockNumber + 2;
 
     expect(blockNumber).to.be.greaterThan(0);
     const transferTx = await api.tx.nft.transfer(recipient.address, collectionId, tokenId, value); 
     const scheduleTx = await api.tx.scheduler.schedule(expectedBlockNumber, null, 0, transferTx);
 
-    const events = await submitTransactionAsync(sender, scheduleTx);
+    await submitTransactionAsync(sender, scheduleTx);
 
-    const sponsorBalanceBefore = new BigNumber((await api.query.system.account(sender.address)).data.free.toString());
     const recipientBalanceBefore = new BigNumber((await api.query.system.account(recipient.address)).data.free.toString());
 
     const nftItemDataBefore = (await api.query.nft.nftItemList(collectionId, tokenId)).toJSON() as unknown as ITokenDataType;
@@ -774,7 +767,6 @@
     // sleep for 2 blocks
     await new Promise(resolve => setTimeout(resolve, 6000 * 2));
 
-    const sponsorBalanceAfter = new BigNumber((await api.query.system.account(sender.address)).data.free.toString());
     const recipientBalanceAfter = new BigNumber((await api.query.system.account(recipient.address)).data.free.toString());
 
     const nftItemData = (await api.query.nft.nftItemList(collectionId, tokenId)).toJSON() as unknown as ITokenDataType;
@@ -785,12 +777,14 @@
 
 
 export async function
-  transferExpectSuccess(collectionId: number,
-    tokenId: number,
-    sender: IKeyringPair,
-    recipient: IKeyringPair | CrossAccountId,
-    value: number | bigint = 1,
-    type: string = 'NFT') {
+transferExpectSuccess(
+  collectionId: number,
+  tokenId: number,
+  sender: IKeyringPair,
+  recipient: IKeyringPair | CrossAccountId,
+  value: number | bigint = 1,
+  type = 'NFT',
+) {
   await usingApi(async (api: ApiPromise) => {
     const to = normalizeAccountId(recipient);
 
@@ -826,12 +820,13 @@
 }
 
 export async function
-  transferExpectFail(collectionId: number,
-    tokenId: number,
-    sender: IKeyringPair,
-    recipient: IKeyringPair,
-    value: number | bigint = 1,
-    type: string = 'NFT') {
+transferExpectFail(
+  collectionId: number,
+  tokenId: number,
+  sender: IKeyringPair,
+  recipient: IKeyringPair,
+  value: number | bigint = 1,
+) {
   await usingApi(async (api: ApiPromise) => {
     const transferTx = api.tx.nft.transfer(normalizeAccountId(recipient.address), collectionId, tokenId, value);
     const events = await expect(submitTransactionExpectFailAsync(sender, transferTx)).to.be.rejected;
@@ -844,8 +839,10 @@
 }
 
 export async function
-  approveExpectFail(collectionId: number,
-    tokenId: number, owner: IKeyringPair, approved: IKeyringPair, amount: number | bigint = 1) {
+approveExpectFail(
+  collectionId: number,
+  tokenId: number, owner: IKeyringPair, approved: IKeyringPair, amount: number | bigint = 1,
+) {
   await usingApi(async (api: ApiPromise) => {
     const approveNftTx = api.tx.nft.approve(normalizeAccountId(approved.address), collectionId, tokenId, amount);
     const events = await expect(submitTransactionExpectFailAsync(owner, approveNftTx)).to.be.rejected;
@@ -882,9 +879,8 @@
   });
 }
 
-export async function createItemExpectSuccess(
-  sender: IKeyringPair, collectionId: number, createMode: string, owner: CrossAccountId | string = sender.address) {
-  let newItemId: number = 0;
+export async function createItemExpectSuccess(sender: IKeyringPair, collectionId: number, createMode: string, owner: CrossAccountId | string = sender.address) {
+  let newItemId = 0;
   await usingApi(async (api) => {
     const to = normalizeAccountId(owner);
     const AItemCount = parseInt((await api.query.nft.itemListIndex(collectionId)).toString(), 10);
@@ -925,8 +921,7 @@
   return newItemId;
 }
 
-export async function createItemExpectFailure(
-  sender: IKeyringPair, collectionId: number, createMode: string, owner: string = sender.address) {
+export async function createItemExpectFailure(sender: IKeyringPair, collectionId: number, createMode: string, owner: string = sender.address) {
   await usingApi(async (api) => {
     const tx = api.tx.nft.createItem(collectionId, normalizeAccountId(owner), createMode);
     
@@ -1000,7 +995,7 @@
 }
 
 export async function isWhitelisted(collectionId: number, address: string) {
-  let whitelisted: boolean = false;
+  let whitelisted = false;
   await usingApi(async (api) => {
     whitelisted = (await api.query.nft.whiteList(collectionId, address)).toJSON() as unknown as boolean;
   });
modifiedtests/src/util/util.tsdiffbeforeafterboth
--- a/tests/src/util/util.ts
+++ b/tests/src/util/util.ts
@@ -4,7 +4,7 @@
 //
 
 export function strToUTF16(str: string): any {
-  let buf: number[] = [];
+  const buf: number[] = [];
   for (let i=0, strLen=str.length; i < strLen; i++) {
     buf.push(str.charCodeAt(i));
   }
@@ -12,7 +12,7 @@
 }
 
 export function utf16ToStr(buf: number[]): string {
-  let str: string = "";
+  let str = '';
   for (let i=0, strLen=buf.length; i < strLen; i++) {
     if (buf[i] != 0) str += String.fromCharCode(buf[i]);
     else break;
@@ -21,13 +21,13 @@
 }
 
 export function hexToStr(buf: string): string {
-  let str: string = "";
-  let hexStart = buf.indexOf("0x");
+  let str = '';
+  let hexStart = buf.indexOf('0x');
   if (hexStart < 0) hexStart = 0;
   else hexStart = 2;  
   for (let i=hexStart, strLen=buf.length; i < strLen; i+=2) {
-    let ch = buf[i] + buf[i+1];
-    let num = parseInt(ch, 16);
+    const ch = buf[i] + buf[i+1];
+    const num = parseInt(ch, 16);
     if (num != 0) str += String.fromCharCode(num);
     else break;
   }