git.delta.rocks / unique-network / refs/commits / 509c8280fa0c

difftreelog

Merge pull request #426 from UniqueNetwork/feature/token_owners

Yaroslav Bolyukin2022-07-22parents: #c2a34ed #10fad85.patch.diff
in: master

31 files changed

modifiedCargo.lockdiffbeforeafterboth
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5953,7 +5953,7 @@
 
 [[package]]
 name = "pallet-fungible"
-version = "0.1.0"
+version = "0.1.1"
 dependencies = [
  "ethereum",
  "evm-coder",
@@ -6198,7 +6198,7 @@
 
 [[package]]
 name = "pallet-nonfungible"
-version = "0.1.0"
+version = "0.1.1"
 dependencies = [
  "ethereum",
  "evm-coder",
@@ -12377,7 +12377,7 @@
 
 [[package]]
 name = "uc-rpc"
-version = "0.1.0"
+version = "0.1.1"
 dependencies = [
  "anyhow",
  "jsonrpsee",
@@ -12682,7 +12682,7 @@
 
 [[package]]
 name = "unique-runtime-common"
-version = "0.9.24"
+version = "0.9.25"
 dependencies = [
  "evm-coder",
  "fp-rpc",
@@ -12754,7 +12754,7 @@
 
 [[package]]
 name = "up-rpc"
-version = "0.1.0"
+version = "0.1.1"
 dependencies = [
  "pallet-common",
  "pallet-evm",
addedclient/rpc/CHANGELOG.mddiffbeforeafterboth
--- /dev/null
+++ b/client/rpc/CHANGELOG.md
@@ -0,0 +1,11 @@
+# Change Log
+
+All notable changes to this project will be documented in this file.
+
+## [0.1.1] - 2022-07-14
+
+### Added
+
+ - Implementation of RPC method `token_owners` returning 10 owners in no particular order.
+    This was an internal request to improve the web interface and support fractionalization event. 
+ 
\ No newline at end of file
modifiedclient/rpc/Cargo.tomldiffbeforeafterboth
--- a/client/rpc/Cargo.toml
+++ b/client/rpc/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "uc-rpc"
-version = "0.1.0"
+version = "0.1.1"
 license = "GPLv3"
 edition = "2021"
 
modifiedclient/rpc/src/lib.rsdiffbeforeafterboth
--- a/client/rpc/src/lib.rs
+++ b/client/rpc/src/lib.rs
@@ -70,6 +70,16 @@
 		token: TokenId,
 		at: Option<BlockHash>,
 	) -> Result<Option<CrossAccountId>>;
+
+	/// Returns 10 tokens owners in no particular order.
+	#[method(name = "unique_tokenOwners")]
+	fn token_owners(
+		&self,
+		collection: CollectionId,
+		token: TokenId,
+		at: Option<BlockHash>,
+	) -> Result<Vec<CrossAccountId>>;
+
 	#[method(name = "unique_topmostTokenOwner")]
 	fn topmost_token_owner(
 		&self,
@@ -473,6 +483,7 @@
 	pass_method!(next_sponsored(collection: CollectionId, account: CrossAccountId, token: TokenId) -> Option<u64>, unique_api);
 	pass_method!(effective_collection_limits(collection_id: CollectionId) -> Option<CollectionLimits>, unique_api);
 	pass_method!(total_pieces(collection_id: CollectionId, token_id: TokenId) -> Option<u128>, unique_api);
+	pass_method!(token_owners(collection: CollectionId, token: TokenId) -> Vec<CrossAccountId>, unique_api);
 }
 
 #[allow(deprecated)]
addedpallets/common/CHANGELOG.mddiffbeforeafterboth
--- /dev/null
+++ b/pallets/common/CHANGELOG.md
@@ -0,0 +1,12 @@
+# Change Log
+
+All notable changes to this project will be documented in this file.
+
+## [0.1.1] - 2022-07-14
+
+### Added
+
+ - Implementation of RPC method `token_owners` returning 10 owners in no particular order.
+    This was an internal request to improve the web interface and support fractionalization event. 
+
+ 
\ No newline at end of file
modifiedpallets/common/src/lib.rsdiffbeforeafterboth
--- a/pallets/common/src/lib.rs
+++ b/pallets/common/src/lib.rs
@@ -1748,6 +1748,11 @@
 	/// * `token` - The token for which you need to find out the owner.
 	fn token_owner(&self, token: TokenId) -> Option<T::CrossAccountId>;
 
+	/// Returns 10 tokens owners in no particular order.
+	///
+	/// * `token` - The token for which you need to find out the owners.
+	fn token_owners(&self, token: TokenId) -> Vec<T::CrossAccountId>;
+
 	/// Get the value of the token property by key.
 	///
 	/// * `token` - Token with the property to get.
addedpallets/fungible/CHANGELOG.mddiffbeforeafterboth
--- /dev/null
+++ b/pallets/fungible/CHANGELOG.md
@@ -0,0 +1,13 @@
+# Change Log
+
+All notable changes to this project will be documented in this file.
+
+## [0.1.1] - 2022-07-14
+
+### Added
+
+ - Implementation of RPC method `token_owners` returning 10 owners in no particular order.
+    This was an internal request to improve the web interface and support fractionalization event. 
+    
+ 
+ 
\ No newline at end of file
modifiedpallets/fungible/Cargo.tomldiffbeforeafterboth
--- a/pallets/fungible/Cargo.toml
+++ b/pallets/fungible/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "pallet-fungible"
-version = "0.1.0"
+version = "0.1.1"
 license = "GPLv3"
 edition = "2021"
 
modifiedpallets/fungible/src/common.rsdiffbeforeafterboth
--- a/pallets/fungible/src/common.rs
+++ b/pallets/fungible/src/common.rs
@@ -362,6 +362,11 @@
 		None
 	}
 
+	/// Returns 10 tokens owners in no particular order.
+	fn token_owners(&self, token: TokenId) -> Vec<T::CrossAccountId> {
+		<Pallet<T>>::token_owners(self.id, token).unwrap_or_default()
+	}
+
 	fn token_property(&self, _token_id: TokenId, _key: &PropertyKey) -> Option<PropertyValue> {
 		None
 	}
modifiedpallets/fungible/src/lib.rsdiffbeforeafterboth
--- a/pallets/fungible/src/lib.rs
+++ b/pallets/fungible/src/lib.rs
@@ -95,7 +95,7 @@
 use pallet_evm_coder_substrate::WithRecorder;
 use sp_core::H160;
 use sp_runtime::{ArithmeticError, DispatchError, DispatchResult};
-use sp_std::{collections::btree_map::BTreeMap};
+use sp_std::{collections::btree_map::BTreeMap, vec::Vec};
 
 pub use pallet::*;
 
@@ -613,4 +613,26 @@
 			nesting_budget,
 		)
 	}
+
+	/// Returns 10 tokens owners in no particular order
+	///
+	/// There is no direct way to get token holders in ascending order,
+	/// since `iter_prefix` returns values in no particular order.
+	/// Therefore, getting the 10 largest holders with a large value of holders
+	/// can lead to impact memory allocation + sorting with  `n * log (n)`.
+	pub fn token_owners(
+		collection: CollectionId,
+		_token: TokenId,
+	) -> Option<Vec<T::CrossAccountId>> {
+		let res: Vec<T::CrossAccountId> = <Balance<T>>::iter_prefix((collection,))
+			.map(|(owner, _amount)| owner)
+			.take(10)
+			.collect();
+
+		if res.is_empty() {
+			None
+		} else {
+			Some(res)
+		}
+	}
 }
addedpallets/nonfungible/CHANGELOG.mddiffbeforeafterboth
--- /dev/null
+++ b/pallets/nonfungible/CHANGELOG.md
@@ -0,0 +1,11 @@
+# Change Log
+
+All notable changes to this project will be documented in this file.
+
+## [0.1.1] - 2022-07-14
+
+### Added
+
+- Implementation of RPC method `token_owners`.
+   For reasons of compatibility with this pallet, returns only one owner if token exists.
+   This was an internal request to improve the web interface and support fractionalization event. 
\ No newline at end of file
modifiedpallets/nonfungible/Cargo.tomldiffbeforeafterboth
--- a/pallets/nonfungible/Cargo.toml
+++ b/pallets/nonfungible/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "pallet-nonfungible"
-version = "0.1.0"
+version = "0.1.1"
 license = "GPLv3"
 edition = "2021"
 
modifiedpallets/nonfungible/src/common.rsdiffbeforeafterboth
--- a/pallets/nonfungible/src/common.rs
+++ b/pallets/nonfungible/src/common.rs
@@ -26,7 +26,7 @@
 	weights::WeightInfo as _,
 };
 use sp_runtime::DispatchError;
-use sp_std::vec::Vec;
+use sp_std::{vec::Vec, vec};
 
 use crate::{
 	AccountBalance, Allowance, Config, CreateItemData, Error, NonfungibleHandle, Owned, Pallet,
@@ -422,6 +422,11 @@
 		<TokenData<T>>::get((self.id, token)).map(|t| t.owner)
 	}
 
+	/// Returns token owners.
+	fn token_owners(&self, token: TokenId) -> Vec<T::CrossAccountId> {
+		self.token_owner(token).map_or_else(|| vec![], |t| vec![t])
+	}
+
 	fn token_property(&self, token_id: TokenId, key: &PropertyKey) -> Option<PropertyValue> {
 		<Pallet<T>>::token_properties((self.id, token_id))
 			.get(key)
modifiedpallets/refungible/CHANGELOG.mddiffbeforeafterboth
--- a/pallets/refungible/CHANGELOG.md
+++ b/pallets/refungible/CHANGELOG.md
@@ -1,6 +1,18 @@
-## v0.1.2 - 2022-07
+# Change Log
 
-### Refungible Pallet
+All notable changes to this project will be documented in this file.
 
+## [v0.1.2] - 2022-07-14
+
+### Other changes
+
 feat(refungible-pallet): add ERC-20 EVM API for RFT token pieces ([#413](https://github.com/UniqueNetwork/unique-chain/pull/413))
-test(refungible-pallet): add tests for ERC-20 EVM API for RFT token pieces ([#413](https://github.com/UniqueNetwork/unique-chain/pull/413))
\ No newline at end of file
+test(refungible-pallet): add tests for ERC-20 EVM API for RFT token pieces ([#413](https://github.com/UniqueNetwork/unique-chain/pull/413))
+
+## [v0.1.1] - 2022-07-14
+
+### Other changes
+
+- feat: RPC method `token_owners` returning 10 owners in no particular order.
+
+This was an internal request to improve the web interface and support fractionalization event. 
modifiedpallets/refungible/src/common.rsdiffbeforeafterboth
--- a/pallets/refungible/src/common.rs
+++ b/pallets/refungible/src/common.rs
@@ -438,6 +438,11 @@
 		<Pallet<T>>::token_owner(self.id, token)
 	}
 
+	/// Returns 10 token in no particular order.
+	fn token_owners(&self, token: TokenId) -> Vec<T::CrossAccountId> {
+		<Pallet<T>>::token_owners(self.id, token).unwrap_or_default()
+	}
+
 	fn token_property(&self, _token_id: TokenId, _key: &PropertyKey) -> Option<PropertyValue> {
 		None
 	}
modifiedpallets/refungible/src/lib.rsdiffbeforeafterboth
--- a/pallets/refungible/src/lib.rs
+++ b/pallets/refungible/src/lib.rs
@@ -1235,4 +1235,26 @@
 	) -> DispatchResult {
 		<PalletCommon<T>>::set_token_property_permissions(collection, sender, property_permissions)
 	}
+
+	/// Returns 10 token in no particular order.
+	///
+	/// There is no direct way to get token holders in ascending order,
+	/// since `iter_prefix` returns values in no particular order.
+	/// Therefore, getting the 10 largest holders with a large value of holders
+	/// can lead to impact memory allocation + sorting with  `n * log (n)`.
+	pub fn token_owners(
+		collection_id: CollectionId,
+		token: TokenId,
+	) -> Option<Vec<T::CrossAccountId>> {
+		let res: Vec<T::CrossAccountId> = <Balance<T>>::iter_prefix((collection_id, token))
+			.map(|(owner, _amount)| owner)
+			.take(10)
+			.collect();
+
+		if res.is_empty() {
+			None
+		} else {
+			Some(res)
+		}
+	}
 }
addedprimitives/rpc/CHANGELOG.mddiffbeforeafterboth
--- /dev/null
+++ b/primitives/rpc/CHANGELOG.md
@@ -0,0 +1,10 @@
+# Change Log
+
+All notable changes to this project will be documented in this file.
+
+## [0.1.1] - 2022-07-14
+
+### Added
+
+ - Implementation of RPC method `token_owners` returning 10 owners in no particular order.
+   This was an internal request to improve the web interface and support fractionalization event. 
\ No newline at end of file
modifiedprimitives/rpc/Cargo.tomldiffbeforeafterboth
--- a/primitives/rpc/Cargo.toml
+++ b/primitives/rpc/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "up-rpc"
-version = "0.1.0"
+version = "0.1.1"
 license = "GPLv3"
 edition = "2021"
 
modifiedprimitives/rpc/src/lib.rsdiffbeforeafterboth
--- a/primitives/rpc/src/lib.rs
+++ b/primitives/rpc/src/lib.rs
@@ -81,5 +81,6 @@
 		fn next_sponsored(collection: CollectionId, account: CrossAccountId, token: TokenId) -> Result<Option<u64>>;
 		fn effective_collection_limits(collection_id: CollectionId) -> Result<Option<CollectionLimits>>;
 		fn total_pieces(collection_id: CollectionId, token_id: TokenId) -> Result<Option<u128>>;
+		fn token_owners(collection: CollectionId, token: TokenId) -> Result<Vec<CrossAccountId>>;
 	}
 }
addedruntime/common/CHANGELOG.mddiffbeforeafterboth
--- /dev/null
+++ b/runtime/common/CHANGELOG.md
@@ -0,0 +1,13 @@
+# Change Log
+
+All notable changes to this project will be documented in this file.
+
+## [0.9.25] - 2022-07-14
+
+### Added
+
+ - Implementation of RPC method `token_owners` returning 10 owners in no particular order.
+    This was an internal request to improve the web interface and support fractionalization event. 
+
+
+ 
\ No newline at end of file
modifiedruntime/common/src/runtime_apis.rsdiffbeforeafterboth
before · runtime/common/src/runtime_apis.rs
1// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.2// This file is part of Unique Network.34// Unique Network is free software: you can redistribute it and/or modify5// it under the terms of the GNU General Public License as published by6// the Free Software Foundation, either version 3 of the License, or7// (at your option) any later version.89// Unique Network is distributed in the hope that it will be useful,10// but WITHOUT ANY WARRANTY; without even the implied warranty of11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the12// GNU General Public License for more details.1314// You should have received a copy of the GNU General Public License15// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.1617#[macro_export]18macro_rules! impl_common_runtime_apis {19    (20        $(21            #![custom_apis]2223            $($custom_apis:tt)+24        )?25    ) => {26        impl_runtime_apis! {27            $($($custom_apis)+)?2829            impl up_rpc::UniqueApi<Block, CrossAccountId, AccountId> for Runtime {30                fn account_tokens(collection: CollectionId, account: CrossAccountId) -> Result<Vec<TokenId>, DispatchError> {31                    dispatch_unique_runtime!(collection.account_tokens(account))32                }33                fn collection_tokens(collection: CollectionId) -> Result<Vec<TokenId>, DispatchError> {34                    dispatch_unique_runtime!(collection.collection_tokens())35                }36                fn token_exists(collection: CollectionId, token: TokenId) -> Result<bool, DispatchError> {37                    dispatch_unique_runtime!(collection.token_exists(token))38                }3940                fn token_owner(collection: CollectionId, token: TokenId) -> Result<Option<CrossAccountId>, DispatchError> {41                    dispatch_unique_runtime!(collection.token_owner(token))42                }43                fn topmost_token_owner(collection: CollectionId, token: TokenId) -> Result<Option<CrossAccountId>, DispatchError> {44                    let budget = up_data_structs::budget::Value::new(10);4546                    Ok(Some(<pallet_structure::Pallet<Runtime>>::find_topmost_owner(collection, token, &budget)?))47                }48                fn token_children(collection: CollectionId, token: TokenId) -> Result<Vec<TokenChild>, DispatchError> {49                    Ok(<pallet_nonfungible::Pallet<Runtime>>::token_children_ids(collection, token))50                }51                fn collection_properties(52                    collection: CollectionId,53                    keys: Option<Vec<Vec<u8>>>54                ) -> Result<Vec<Property>, DispatchError> {55                    let keys = keys.map(56                        |keys| Common::bytes_keys_to_property_keys(keys)57                    ).transpose()?;5859                    Common::filter_collection_properties(collection, keys)60                }6162                fn token_properties(63                    collection: CollectionId,64                    token_id: TokenId,65                    keys: Option<Vec<Vec<u8>>>66                ) -> Result<Vec<Property>, DispatchError> {67                    let keys = keys.map(68                        |keys| Common::bytes_keys_to_property_keys(keys)69                    ).transpose()?;7071                    dispatch_unique_runtime!(collection.token_properties(token_id, keys))72                }7374                fn property_permissions(75                    collection: CollectionId,76                    keys: Option<Vec<Vec<u8>>>77                ) -> Result<Vec<PropertyKeyPermission>, DispatchError> {78                    let keys = keys.map(79                        |keys| Common::bytes_keys_to_property_keys(keys)80                    ).transpose()?;8182                    Common::filter_property_permissions(collection, keys)83                }8485                fn token_data(86                    collection: CollectionId,87                    token_id: TokenId,88                    keys: Option<Vec<Vec<u8>>>89                ) -> Result<TokenData<CrossAccountId>, DispatchError> {90                    let token_data = TokenData {91                        properties: Self::token_properties(collection, token_id, keys)?,92                        owner: Self::token_owner(collection, token_id)?,93                        pieces: Self::total_pieces(collection, token_id)?.unwrap_or(0),94                    };9596                    Ok(token_data)97                }9899                fn total_supply(collection: CollectionId) -> Result<u32, DispatchError> {100                    dispatch_unique_runtime!(collection.total_supply())101                }102                fn account_balance(collection: CollectionId, account: CrossAccountId) -> Result<u32, DispatchError> {103                    dispatch_unique_runtime!(collection.account_balance(account))104                }105                fn balance(collection: CollectionId, account: CrossAccountId, token: TokenId) -> Result<u128, DispatchError> {106                    dispatch_unique_runtime!(collection.balance(account, token))107                }108                fn allowance(109                    collection: CollectionId,110                    sender: CrossAccountId,111                    spender: CrossAccountId,112                    token: TokenId,113                ) -> Result<u128, DispatchError> {114                    dispatch_unique_runtime!(collection.allowance(sender, spender, token))115                }116117                fn adminlist(collection: CollectionId) -> Result<Vec<CrossAccountId>, DispatchError> {118                    Ok(<pallet_common::Pallet<Runtime>>::adminlist(collection))119                }120                fn allowlist(collection: CollectionId) -> Result<Vec<CrossAccountId>, DispatchError> {121                    Ok(<pallet_common::Pallet<Runtime>>::allowlist(collection))122                }123                fn allowed(collection: CollectionId, user: CrossAccountId) -> Result<bool, DispatchError> {124                    Ok(<pallet_common::Pallet<Runtime>>::allowed(collection, user))125                }126                fn last_token_id(collection: CollectionId) -> Result<TokenId, DispatchError> {127                    dispatch_unique_runtime!(collection.last_token_id())128                }129                fn collection_by_id(collection: CollectionId) -> Result<Option<RpcCollection<AccountId>>, DispatchError> {130                    Ok(<pallet_common::Pallet<Runtime>>::rpc_collection(collection))131                }132                fn collection_stats() -> Result<CollectionStats, DispatchError> {133                    Ok(<pallet_common::Pallet<Runtime>>::collection_stats())134                }135                fn next_sponsored(collection: CollectionId, account: CrossAccountId, token: TokenId) -> Result<Option<u64>, DispatchError> {136                    Ok(<$crate::sponsoring::UniqueSponsorshipPredict<Runtime> as137                            $crate::sponsoring::SponsorshipPredict<Runtime>>::predict(138                        collection,139                        account,140                        token))141                }142143                fn effective_collection_limits(collection: CollectionId) -> Result<Option<CollectionLimits>, DispatchError> {144                    Ok(<pallet_common::Pallet<Runtime>>::effective_collection_limits(collection))145                }146147                fn total_pieces(collection: CollectionId, token_id: TokenId) -> Result<Option<u128>, DispatchError> {148                    dispatch_unique_runtime!(collection.total_pieces(token_id))149                }150            }151152            impl sp_api::Core<Block> for Runtime {153                fn version() -> RuntimeVersion {154                    VERSION155                }156157                fn execute_block(block: Block) {158                    Executive::execute_block(block)159                }160161                fn initialize_block(header: &<Block as BlockT>::Header) {162                    Executive::initialize_block(header)163                }164            }165166            impl sp_api::Metadata<Block> for Runtime {167                fn metadata() -> OpaqueMetadata {168                    OpaqueMetadata::new(Runtime::metadata().into())169                }170            }171172            impl sp_block_builder::BlockBuilder<Block> for Runtime {173                fn apply_extrinsic(extrinsic: <Block as BlockT>::Extrinsic) -> ApplyExtrinsicResult {174                    Executive::apply_extrinsic(extrinsic)175                }176177                fn finalize_block() -> <Block as BlockT>::Header {178                    Executive::finalize_block()179                }180181                fn inherent_extrinsics(data: sp_inherents::InherentData) -> Vec<<Block as BlockT>::Extrinsic> {182                    data.create_extrinsics()183                }184185                fn check_inherents(186                    block: Block,187                    data: sp_inherents::InherentData,188                ) -> sp_inherents::CheckInherentsResult {189                    data.check_extrinsics(&block)190                }191192                // fn random_seed() -> <Block as BlockT>::Hash {193                //     RandomnessCollectiveFlip::random_seed().0194                // }195            }196197            impl sp_transaction_pool::runtime_api::TaggedTransactionQueue<Block> for Runtime {198                fn validate_transaction(199                    source: TransactionSource,200                    tx: <Block as BlockT>::Extrinsic,201                    hash: <Block as BlockT>::Hash,202                ) -> TransactionValidity {203                    Executive::validate_transaction(source, tx, hash)204                }205            }206207            impl sp_offchain::OffchainWorkerApi<Block> for Runtime {208                fn offchain_worker(header: &<Block as BlockT>::Header) {209                    Executive::offchain_worker(header)210                }211            }212213            impl fp_rpc::EthereumRuntimeRPCApi<Block> for Runtime {214                fn chain_id() -> u64 {215                    <Runtime as pallet_evm::Config>::ChainId::get()216                }217218                fn account_basic(address: H160) -> EVMAccount {219                    let (account, _) = EVM::account_basic(&address);220                    account221                }222223                fn gas_price() -> U256 {224                    let (price, _) = <Runtime as pallet_evm::Config>::FeeCalculator::min_gas_price();225                    price226                }227228                fn account_code_at(address: H160) -> Vec<u8> {229                    EVM::account_codes(address)230                }231232                fn author() -> H160 {233                    <pallet_evm::Pallet<Runtime>>::find_author()234                }235236                fn storage_at(address: H160, index: U256) -> H256 {237                    let mut tmp = [0u8; 32];238                    index.to_big_endian(&mut tmp);239                    EVM::account_storages(address, H256::from_slice(&tmp[..]))240                }241242                #[allow(clippy::redundant_closure)]243                fn call(244                    from: H160,245                    to: H160,246                    data: Vec<u8>,247                    value: U256,248                    gas_limit: U256,249                    max_fee_per_gas: Option<U256>,250                    max_priority_fee_per_gas: Option<U256>,251                    nonce: Option<U256>,252                    estimate: bool,253                    access_list: Option<Vec<(H160, Vec<H256>)>>,254                ) -> Result<pallet_evm::CallInfo, sp_runtime::DispatchError> {255                    let config = if estimate {256                        let mut config = <Runtime as pallet_evm::Config>::config().clone();257                        config.estimate = true;258                        Some(config)259                    } else {260                        None261                    };262263                    let is_transactional = false;264                    <Runtime as pallet_evm::Config>::Runner::call(265                        CrossAccountId::from_eth(from),266                        to,267                        data,268                        value,269                        gas_limit.low_u64(),270                        max_fee_per_gas,271                        max_priority_fee_per_gas,272                        nonce,273                        access_list.unwrap_or_default(),274                        is_transactional,275                        config.as_ref().unwrap_or_else(|| <Runtime as pallet_evm::Config>::config()),276                    ).map_err(|err| err.error.into())277                }278279                #[allow(clippy::redundant_closure)]280                fn create(281                    from: H160,282                    data: Vec<u8>,283                    value: U256,284                    gas_limit: U256,285                    max_fee_per_gas: Option<U256>,286                    max_priority_fee_per_gas: Option<U256>,287                    nonce: Option<U256>,288                    estimate: bool,289                    access_list: Option<Vec<(H160, Vec<H256>)>>,290                ) -> Result<pallet_evm::CreateInfo, sp_runtime::DispatchError> {291                    let config = if estimate {292                        let mut config = <Runtime as pallet_evm::Config>::config().clone();293                        config.estimate = true;294                        Some(config)295                    } else {296                        None297                    };298299                    let is_transactional = false;300                    <Runtime as pallet_evm::Config>::Runner::create(301                        CrossAccountId::from_eth(from),302                        data,303                        value,304                        gas_limit.low_u64(),305                        max_fee_per_gas,306                        max_priority_fee_per_gas,307                        nonce,308                        access_list.unwrap_or_default(),309                        is_transactional,310                        config.as_ref().unwrap_or_else(|| <Runtime as pallet_evm::Config>::config()),311                    ).map_err(|err| err.error.into())312                }313314                fn current_transaction_statuses() -> Option<Vec<TransactionStatus>> {315                    Ethereum::current_transaction_statuses()316                }317318                fn current_block() -> Option<pallet_ethereum::Block> {319                    Ethereum::current_block()320                }321322                fn current_receipts() -> Option<Vec<pallet_ethereum::Receipt>> {323                    Ethereum::current_receipts()324                }325326                fn current_all() -> (327                    Option<pallet_ethereum::Block>,328                    Option<Vec<pallet_ethereum::Receipt>>,329                    Option<Vec<TransactionStatus>>330                ) {331                    (332                        Ethereum::current_block(),333                        Ethereum::current_receipts(),334                        Ethereum::current_transaction_statuses()335                    )336                }337338                fn extrinsic_filter(xts: Vec<<Block as sp_api::BlockT>::Extrinsic>) -> Vec<pallet_ethereum::Transaction> {339                    xts.into_iter().filter_map(|xt| match xt.0.function {340                        Call::Ethereum(pallet_ethereum::Call::transact { transaction }) => Some(transaction),341                        _ => None342                    }).collect()343                }344345                fn elasticity() -> Option<Permill> {346                    None347                }348            }349350            impl fp_rpc::ConvertTransactionRuntimeApi<Block> for Runtime {351                fn convert_transaction(transaction: pallet_ethereum::Transaction) -> <Block as BlockT>::Extrinsic  {352                    UncheckedExtrinsic::new_unsigned(353                        pallet_ethereum::Call::<Runtime>::transact { transaction }.into(),354                    )355                }356            }357358            impl sp_session::SessionKeys<Block> for Runtime {359                fn decode_session_keys(360                    encoded: Vec<u8>,361                ) -> Option<Vec<(Vec<u8>, KeyTypeId)>> {362                    SessionKeys::decode_into_raw_public_keys(&encoded)363                }364365                fn generate_session_keys(seed: Option<Vec<u8>>) -> Vec<u8> {366                    SessionKeys::generate(seed)367                }368            }369370            impl sp_consensus_aura::AuraApi<Block, AuraId> for Runtime {371                fn slot_duration() -> sp_consensus_aura::SlotDuration {372                    sp_consensus_aura::SlotDuration::from_millis(Aura::slot_duration())373                }374375                fn authorities() -> Vec<AuraId> {376                    Aura::authorities().to_vec()377                }378            }379380            impl cumulus_primitives_core::CollectCollationInfo<Block> for Runtime {381                fn collect_collation_info(header: &<Block as BlockT>::Header) -> cumulus_primitives_core::CollationInfo {382                    ParachainSystem::collect_collation_info(header)383                }384            }385386            impl frame_system_rpc_runtime_api::AccountNonceApi<Block, AccountId, Index> for Runtime {387                fn account_nonce(account: AccountId) -> Index {388                    System::account_nonce(account)389                }390            }391392            impl pallet_transaction_payment_rpc_runtime_api::TransactionPaymentApi<Block, Balance> for Runtime {393                fn query_info(uxt: <Block as BlockT>::Extrinsic, len: u32) -> RuntimeDispatchInfo<Balance> {394                    TransactionPayment::query_info(uxt, len)395                }396                fn query_fee_details(uxt: <Block as BlockT>::Extrinsic, len: u32) -> FeeDetails<Balance> {397                    TransactionPayment::query_fee_details(uxt, len)398                }399            }400401            /*402            impl pallet_contracts_rpc_runtime_api::ContractsApi<Block, AccountId, Balance, BlockNumber, Hash>403                for Runtime404            {405                fn call(406                    origin: AccountId,407                    dest: AccountId,408                    value: Balance,409                    gas_limit: u64,410                    input_data: Vec<u8>,411                ) -> pallet_contracts_primitives::ContractExecResult {412                    Contracts::bare_call(origin, dest, value, gas_limit, input_data, false)413                }414415                fn instantiate(416                    origin: AccountId,417                    endowment: Balance,418                    gas_limit: u64,419                    code: pallet_contracts_primitives::Code<Hash>,420                    data: Vec<u8>,421                    salt: Vec<u8>,422                ) -> pallet_contracts_primitives::ContractInstantiateResult<AccountId, BlockNumber>423                {424                    Contracts::bare_instantiate(origin, endowment, gas_limit, code, data, salt, true, false)425                }426427                fn get_storage(428                    address: AccountId,429                    key: [u8; 32],430                ) -> pallet_contracts_primitives::GetStorageResult {431                    Contracts::get_storage(address, key)432                }433434                fn rent_projection(435                    address: AccountId,436                ) -> pallet_contracts_primitives::RentProjectionResult<BlockNumber> {437                    Contracts::rent_projection(address)438                }439            }440            */441442            #[cfg(feature = "runtime-benchmarks")]443            impl frame_benchmarking::Benchmark<Block> for Runtime {444                fn benchmark_metadata(extra: bool) -> (445                    Vec<frame_benchmarking::BenchmarkList>,446                    Vec<frame_support::traits::StorageInfo>,447                ) {448                    use frame_benchmarking::{list_benchmark, Benchmarking, BenchmarkList};449                    use frame_support::traits::StorageInfoTrait;450451                    let mut list = Vec::<BenchmarkList>::new();452453                    list_benchmark!(list, extra, pallet_evm_migration, EvmMigration);454                    list_benchmark!(list, extra, pallet_common, Common);455                    list_benchmark!(list, extra, pallet_unique, Unique);456                    list_benchmark!(list, extra, pallet_structure, Structure);457                    list_benchmark!(list, extra, pallet_inflation, Inflation);458                    list_benchmark!(list, extra, pallet_fungible, Fungible);459                    list_benchmark!(list, extra, pallet_refungible, Refungible);460                    list_benchmark!(list, extra, pallet_nonfungible, Nonfungible);461                    list_benchmark!(list, extra, pallet_unique_scheduler, Scheduler);462463                    #[cfg(not(feature = "unique-runtime"))]464                    list_benchmark!(list, extra, pallet_proxy_rmrk_core, RmrkCore);465466                    #[cfg(not(feature = "unique-runtime"))]467                    list_benchmark!(list, extra, pallet_proxy_rmrk_equip, RmrkEquip);468469                    // list_benchmark!(list, extra, pallet_evm_coder_substrate, EvmCoderSubstrate);470471                    let storage_info = AllPalletsReversedWithSystemFirst::storage_info();472473                    return (list, storage_info)474                }475476                fn dispatch_benchmark(477                    config: frame_benchmarking::BenchmarkConfig478                ) -> Result<Vec<frame_benchmarking::BenchmarkBatch>, sp_runtime::RuntimeString> {479                    use frame_benchmarking::{Benchmarking, BenchmarkBatch, add_benchmark, TrackedStorageKey};480481                    let allowlist: Vec<TrackedStorageKey> = vec![482                        // Total Issuance483                        hex_literal::hex!("c2261276cc9d1f8598ea4b6a74b15c2f57c875e4cff74148e4628f264b974c80").to_vec().into(),484485                        // Block Number486                        hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef702a5c1b19ab7a04f536c519aca4983ac").to_vec().into(),487                        // Execution Phase488                        hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef7ff553b5a9862a516939d82b3d3d8661a").to_vec().into(),489                        // Event Count490                        hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef70a98fdbe9ce6c55837576c60c7af3850").to_vec().into(),491                        // System Events492                        hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef780d41e5e16056765bc8461851072c9d7").to_vec().into(),493494                        // Evm CurrentLogs495                        hex_literal::hex!("1da53b775b270400e7e61ed5cbc5a146547f210cec367e9af919603343b9cb56").to_vec().into(),496497                        // Transactional depth498                        hex_literal::hex!("3a7472616e73616374696f6e5f6c6576656c3a").to_vec().into(),499                    ];500501                    let mut batches = Vec::<BenchmarkBatch>::new();502                    let params = (&config, &allowlist);503504                    add_benchmark!(params, batches, pallet_evm_migration, EvmMigration);505                    add_benchmark!(params, batches, pallet_common, Common);506                    add_benchmark!(params, batches, pallet_unique, Unique);507                    add_benchmark!(params, batches, pallet_structure, Structure);508                    add_benchmark!(params, batches, pallet_inflation, Inflation);509                    add_benchmark!(params, batches, pallet_fungible, Fungible);510                    add_benchmark!(params, batches, pallet_refungible, Refungible);511                    add_benchmark!(params, batches, pallet_nonfungible, Nonfungible);512                    add_benchmark!(params, batches, pallet_unique_scheduler, Scheduler);513514                    #[cfg(not(feature = "unique-runtime"))]515                    add_benchmark!(params, batches, pallet_proxy_rmrk_core, RmrkCore);516517                    #[cfg(not(feature = "unique-runtime"))]518                    add_benchmark!(params, batches, pallet_proxy_rmrk_equip, RmrkEquip);519520                    // add_benchmark!(params, batches, pallet_evm_coder_substrate, EvmCoderSubstrate);521522                    if batches.is_empty() { return Err("Benchmark not found for this pallet.".into()) }523                    Ok(batches)524                }525            }526527            #[cfg(feature = "try-runtime")]528            impl frame_try_runtime::TryRuntime<Block> for Runtime {529                fn on_runtime_upgrade() -> (Weight, Weight) {530                    log::info!("try-runtime::on_runtime_upgrade unique-chain.");531                    let weight = Executive::try_runtime_upgrade().unwrap();532                    (weight, RuntimeBlockWeights::get().max_block)533                }534535                fn execute_block_no_check(block: Block) -> Weight {536                    Executive::execute_block_no_check(block)537                }538            }539        }540    }541}
after · runtime/common/src/runtime_apis.rs
1// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.2// This file is part of Unique Network.34// Unique Network is free software: you can redistribute it and/or modify5// it under the terms of the GNU General Public License as published by6// the Free Software Foundation, either version 3 of the License, or7// (at your option) any later version.89// Unique Network is distributed in the hope that it will be useful,10// but WITHOUT ANY WARRANTY; without even the implied warranty of11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the12// GNU General Public License for more details.1314// You should have received a copy of the GNU General Public License15// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.1617#[macro_export]18macro_rules! impl_common_runtime_apis {19    (20        $(21            #![custom_apis]2223            $($custom_apis:tt)+24        )?25    ) => {26        impl_runtime_apis! {27            $($($custom_apis)+)?2829            impl up_rpc::UniqueApi<Block, CrossAccountId, AccountId> for Runtime {30                fn account_tokens(collection: CollectionId, account: CrossAccountId) -> Result<Vec<TokenId>, DispatchError> {31                    dispatch_unique_runtime!(collection.account_tokens(account))32                }33                fn collection_tokens(collection: CollectionId) -> Result<Vec<TokenId>, DispatchError> {34                    dispatch_unique_runtime!(collection.collection_tokens())35                }36                fn token_exists(collection: CollectionId, token: TokenId) -> Result<bool, DispatchError> {37                    dispatch_unique_runtime!(collection.token_exists(token))38                }3940                fn token_owner(collection: CollectionId, token: TokenId) -> Result<Option<CrossAccountId>, DispatchError> {41                    dispatch_unique_runtime!(collection.token_owner(token))42                }4344                fn token_owners(collection: CollectionId, token: TokenId) -> Result<Vec::<CrossAccountId>, DispatchError>  {45                   dispatch_unique_runtime!(collection.token_owners(token))46                }4748                fn topmost_token_owner(collection: CollectionId, token: TokenId) -> Result<Option<CrossAccountId>, DispatchError> {49                    let budget = up_data_structs::budget::Value::new(10);5051                    Ok(Some(<pallet_structure::Pallet<Runtime>>::find_topmost_owner(collection, token, &budget)?))52                }53                fn token_children(collection: CollectionId, token: TokenId) -> Result<Vec<TokenChild>, DispatchError> {54                    Ok(<pallet_nonfungible::Pallet<Runtime>>::token_children_ids(collection, token))55                }56                fn collection_properties(57                    collection: CollectionId,58                    keys: Option<Vec<Vec<u8>>>59                ) -> Result<Vec<Property>, DispatchError> {60                    let keys = keys.map(61                        |keys| Common::bytes_keys_to_property_keys(keys)62                    ).transpose()?;6364                    Common::filter_collection_properties(collection, keys)65                }6667                fn token_properties(68                    collection: CollectionId,69                    token_id: TokenId,70                    keys: Option<Vec<Vec<u8>>>71                ) -> Result<Vec<Property>, DispatchError> {72                    let keys = keys.map(73                        |keys| Common::bytes_keys_to_property_keys(keys)74                    ).transpose()?;7576                    dispatch_unique_runtime!(collection.token_properties(token_id, keys))77                }7879                fn property_permissions(80                    collection: CollectionId,81                    keys: Option<Vec<Vec<u8>>>82                ) -> Result<Vec<PropertyKeyPermission>, DispatchError> {83                    let keys = keys.map(84                        |keys| Common::bytes_keys_to_property_keys(keys)85                    ).transpose()?;8687                    Common::filter_property_permissions(collection, keys)88                }8990                fn token_data(91                    collection: CollectionId,92                    token_id: TokenId,93                    keys: Option<Vec<Vec<u8>>>94                ) -> Result<TokenData<CrossAccountId>, DispatchError> {95                    let token_data = TokenData {96                        properties: Self::token_properties(collection, token_id, keys)?,97                        owner: Self::token_owner(collection, token_id)?,98                        pieces: Self::total_pieces(collection, token_id)?.unwrap_or(0),99                    };100101                    Ok(token_data)102                }103104                fn total_supply(collection: CollectionId) -> Result<u32, DispatchError> {105                    dispatch_unique_runtime!(collection.total_supply())106                }107                fn account_balance(collection: CollectionId, account: CrossAccountId) -> Result<u32, DispatchError> {108                    dispatch_unique_runtime!(collection.account_balance(account))109                }110                fn balance(collection: CollectionId, account: CrossAccountId, token: TokenId) -> Result<u128, DispatchError> {111                    dispatch_unique_runtime!(collection.balance(account, token))112                }113                fn allowance(114                    collection: CollectionId,115                    sender: CrossAccountId,116                    spender: CrossAccountId,117                    token: TokenId,118                ) -> Result<u128, DispatchError> {119                    dispatch_unique_runtime!(collection.allowance(sender, spender, token))120                }121122                fn adminlist(collection: CollectionId) -> Result<Vec<CrossAccountId>, DispatchError> {123                    Ok(<pallet_common::Pallet<Runtime>>::adminlist(collection))124                }125                fn allowlist(collection: CollectionId) -> Result<Vec<CrossAccountId>, DispatchError> {126                    Ok(<pallet_common::Pallet<Runtime>>::allowlist(collection))127                }128                fn allowed(collection: CollectionId, user: CrossAccountId) -> Result<bool, DispatchError> {129                    Ok(<pallet_common::Pallet<Runtime>>::allowed(collection, user))130                }131                fn last_token_id(collection: CollectionId) -> Result<TokenId, DispatchError> {132                    dispatch_unique_runtime!(collection.last_token_id())133                }134                fn collection_by_id(collection: CollectionId) -> Result<Option<RpcCollection<AccountId>>, DispatchError> {135                    Ok(<pallet_common::Pallet<Runtime>>::rpc_collection(collection))136                }137                fn collection_stats() -> Result<CollectionStats, DispatchError> {138                    Ok(<pallet_common::Pallet<Runtime>>::collection_stats())139                }140                fn next_sponsored(collection: CollectionId, account: CrossAccountId, token: TokenId) -> Result<Option<u64>, DispatchError> {141                    Ok(<$crate::sponsoring::UniqueSponsorshipPredict<Runtime> as142                            $crate::sponsoring::SponsorshipPredict<Runtime>>::predict(143                        collection,144                        account,145                        token))146                }147148                fn effective_collection_limits(collection: CollectionId) -> Result<Option<CollectionLimits>, DispatchError> {149                    Ok(<pallet_common::Pallet<Runtime>>::effective_collection_limits(collection))150                }151152                fn total_pieces(collection: CollectionId, token_id: TokenId) -> Result<Option<u128>, DispatchError> {153                    dispatch_unique_runtime!(collection.total_pieces(token_id))154                }155            }156157            impl sp_api::Core<Block> for Runtime {158                fn version() -> RuntimeVersion {159                    VERSION160                }161162                fn execute_block(block: Block) {163                    Executive::execute_block(block)164                }165166                fn initialize_block(header: &<Block as BlockT>::Header) {167                    Executive::initialize_block(header)168                }169            }170171            impl sp_api::Metadata<Block> for Runtime {172                fn metadata() -> OpaqueMetadata {173                    OpaqueMetadata::new(Runtime::metadata().into())174                }175            }176177            impl sp_block_builder::BlockBuilder<Block> for Runtime {178                fn apply_extrinsic(extrinsic: <Block as BlockT>::Extrinsic) -> ApplyExtrinsicResult {179                    Executive::apply_extrinsic(extrinsic)180                }181182                fn finalize_block() -> <Block as BlockT>::Header {183                    Executive::finalize_block()184                }185186                fn inherent_extrinsics(data: sp_inherents::InherentData) -> Vec<<Block as BlockT>::Extrinsic> {187                    data.create_extrinsics()188                }189190                fn check_inherents(191                    block: Block,192                    data: sp_inherents::InherentData,193                ) -> sp_inherents::CheckInherentsResult {194                    data.check_extrinsics(&block)195                }196197                // fn random_seed() -> <Block as BlockT>::Hash {198                //     RandomnessCollectiveFlip::random_seed().0199                // }200            }201202            impl sp_transaction_pool::runtime_api::TaggedTransactionQueue<Block> for Runtime {203                fn validate_transaction(204                    source: TransactionSource,205                    tx: <Block as BlockT>::Extrinsic,206                    hash: <Block as BlockT>::Hash,207                ) -> TransactionValidity {208                    Executive::validate_transaction(source, tx, hash)209                }210            }211212            impl sp_offchain::OffchainWorkerApi<Block> for Runtime {213                fn offchain_worker(header: &<Block as BlockT>::Header) {214                    Executive::offchain_worker(header)215                }216            }217218            impl fp_rpc::EthereumRuntimeRPCApi<Block> for Runtime {219                fn chain_id() -> u64 {220                    <Runtime as pallet_evm::Config>::ChainId::get()221                }222223                fn account_basic(address: H160) -> EVMAccount {224                    let (account, _) = EVM::account_basic(&address);225                    account226                }227228                fn gas_price() -> U256 {229                    let (price, _) = <Runtime as pallet_evm::Config>::FeeCalculator::min_gas_price();230                    price231                }232233                fn account_code_at(address: H160) -> Vec<u8> {234                    EVM::account_codes(address)235                }236237                fn author() -> H160 {238                    <pallet_evm::Pallet<Runtime>>::find_author()239                }240241                fn storage_at(address: H160, index: U256) -> H256 {242                    let mut tmp = [0u8; 32];243                    index.to_big_endian(&mut tmp);244                    EVM::account_storages(address, H256::from_slice(&tmp[..]))245                }246247                #[allow(clippy::redundant_closure)]248                fn call(249                    from: H160,250                    to: H160,251                    data: Vec<u8>,252                    value: U256,253                    gas_limit: U256,254                    max_fee_per_gas: Option<U256>,255                    max_priority_fee_per_gas: Option<U256>,256                    nonce: Option<U256>,257                    estimate: bool,258                    access_list: Option<Vec<(H160, Vec<H256>)>>,259                ) -> Result<pallet_evm::CallInfo, sp_runtime::DispatchError> {260                    let config = if estimate {261                        let mut config = <Runtime as pallet_evm::Config>::config().clone();262                        config.estimate = true;263                        Some(config)264                    } else {265                        None266                    };267268                    let is_transactional = false;269                    <Runtime as pallet_evm::Config>::Runner::call(270                        CrossAccountId::from_eth(from),271                        to,272                        data,273                        value,274                        gas_limit.low_u64(),275                        max_fee_per_gas,276                        max_priority_fee_per_gas,277                        nonce,278                        access_list.unwrap_or_default(),279                        is_transactional,280                        config.as_ref().unwrap_or_else(|| <Runtime as pallet_evm::Config>::config()),281                    ).map_err(|err| err.error.into())282                }283284                #[allow(clippy::redundant_closure)]285                fn create(286                    from: H160,287                    data: Vec<u8>,288                    value: U256,289                    gas_limit: U256,290                    max_fee_per_gas: Option<U256>,291                    max_priority_fee_per_gas: Option<U256>,292                    nonce: Option<U256>,293                    estimate: bool,294                    access_list: Option<Vec<(H160, Vec<H256>)>>,295                ) -> Result<pallet_evm::CreateInfo, sp_runtime::DispatchError> {296                    let config = if estimate {297                        let mut config = <Runtime as pallet_evm::Config>::config().clone();298                        config.estimate = true;299                        Some(config)300                    } else {301                        None302                    };303304                    let is_transactional = false;305                    <Runtime as pallet_evm::Config>::Runner::create(306                        CrossAccountId::from_eth(from),307                        data,308                        value,309                        gas_limit.low_u64(),310                        max_fee_per_gas,311                        max_priority_fee_per_gas,312                        nonce,313                        access_list.unwrap_or_default(),314                        is_transactional,315                        config.as_ref().unwrap_or_else(|| <Runtime as pallet_evm::Config>::config()),316                    ).map_err(|err| err.error.into())317                }318319                fn current_transaction_statuses() -> Option<Vec<TransactionStatus>> {320                    Ethereum::current_transaction_statuses()321                }322323                fn current_block() -> Option<pallet_ethereum::Block> {324                    Ethereum::current_block()325                }326327                fn current_receipts() -> Option<Vec<pallet_ethereum::Receipt>> {328                    Ethereum::current_receipts()329                }330331                fn current_all() -> (332                    Option<pallet_ethereum::Block>,333                    Option<Vec<pallet_ethereum::Receipt>>,334                    Option<Vec<TransactionStatus>>335                ) {336                    (337                        Ethereum::current_block(),338                        Ethereum::current_receipts(),339                        Ethereum::current_transaction_statuses()340                    )341                }342343                fn extrinsic_filter(xts: Vec<<Block as sp_api::BlockT>::Extrinsic>) -> Vec<pallet_ethereum::Transaction> {344                    xts.into_iter().filter_map(|xt| match xt.0.function {345                        Call::Ethereum(pallet_ethereum::Call::transact { transaction }) => Some(transaction),346                        _ => None347                    }).collect()348                }349350                fn elasticity() -> Option<Permill> {351                    None352                }353            }354355            impl fp_rpc::ConvertTransactionRuntimeApi<Block> for Runtime {356                fn convert_transaction(transaction: pallet_ethereum::Transaction) -> <Block as BlockT>::Extrinsic  {357                    UncheckedExtrinsic::new_unsigned(358                        pallet_ethereum::Call::<Runtime>::transact { transaction }.into(),359                    )360                }361            }362363            impl sp_session::SessionKeys<Block> for Runtime {364                fn decode_session_keys(365                    encoded: Vec<u8>,366                ) -> Option<Vec<(Vec<u8>, KeyTypeId)>> {367                    SessionKeys::decode_into_raw_public_keys(&encoded)368                }369370                fn generate_session_keys(seed: Option<Vec<u8>>) -> Vec<u8> {371                    SessionKeys::generate(seed)372                }373            }374375            impl sp_consensus_aura::AuraApi<Block, AuraId> for Runtime {376                fn slot_duration() -> sp_consensus_aura::SlotDuration {377                    sp_consensus_aura::SlotDuration::from_millis(Aura::slot_duration())378                }379380                fn authorities() -> Vec<AuraId> {381                    Aura::authorities().to_vec()382                }383            }384385            impl cumulus_primitives_core::CollectCollationInfo<Block> for Runtime {386                fn collect_collation_info(header: &<Block as BlockT>::Header) -> cumulus_primitives_core::CollationInfo {387                    ParachainSystem::collect_collation_info(header)388                }389            }390391            impl frame_system_rpc_runtime_api::AccountNonceApi<Block, AccountId, Index> for Runtime {392                fn account_nonce(account: AccountId) -> Index {393                    System::account_nonce(account)394                }395            }396397            impl pallet_transaction_payment_rpc_runtime_api::TransactionPaymentApi<Block, Balance> for Runtime {398                fn query_info(uxt: <Block as BlockT>::Extrinsic, len: u32) -> RuntimeDispatchInfo<Balance> {399                    TransactionPayment::query_info(uxt, len)400                }401                fn query_fee_details(uxt: <Block as BlockT>::Extrinsic, len: u32) -> FeeDetails<Balance> {402                    TransactionPayment::query_fee_details(uxt, len)403                }404            }405406            /*407            impl pallet_contracts_rpc_runtime_api::ContractsApi<Block, AccountId, Balance, BlockNumber, Hash>408                for Runtime409            {410                fn call(411                    origin: AccountId,412                    dest: AccountId,413                    value: Balance,414                    gas_limit: u64,415                    input_data: Vec<u8>,416                ) -> pallet_contracts_primitives::ContractExecResult {417                    Contracts::bare_call(origin, dest, value, gas_limit, input_data, false)418                }419420                fn instantiate(421                    origin: AccountId,422                    endowment: Balance,423                    gas_limit: u64,424                    code: pallet_contracts_primitives::Code<Hash>,425                    data: Vec<u8>,426                    salt: Vec<u8>,427                ) -> pallet_contracts_primitives::ContractInstantiateResult<AccountId, BlockNumber>428                {429                    Contracts::bare_instantiate(origin, endowment, gas_limit, code, data, salt, true, false)430                }431432                fn get_storage(433                    address: AccountId,434                    key: [u8; 32],435                ) -> pallet_contracts_primitives::GetStorageResult {436                    Contracts::get_storage(address, key)437                }438439                fn rent_projection(440                    address: AccountId,441                ) -> pallet_contracts_primitives::RentProjectionResult<BlockNumber> {442                    Contracts::rent_projection(address)443                }444            }445            */446447            #[cfg(feature = "runtime-benchmarks")]448            impl frame_benchmarking::Benchmark<Block> for Runtime {449                fn benchmark_metadata(extra: bool) -> (450                    Vec<frame_benchmarking::BenchmarkList>,451                    Vec<frame_support::traits::StorageInfo>,452                ) {453                    use frame_benchmarking::{list_benchmark, Benchmarking, BenchmarkList};454                    use frame_support::traits::StorageInfoTrait;455456                    let mut list = Vec::<BenchmarkList>::new();457458                    list_benchmark!(list, extra, pallet_evm_migration, EvmMigration);459                    list_benchmark!(list, extra, pallet_common, Common);460                    list_benchmark!(list, extra, pallet_unique, Unique);461                    list_benchmark!(list, extra, pallet_structure, Structure);462                    list_benchmark!(list, extra, pallet_inflation, Inflation);463                    list_benchmark!(list, extra, pallet_fungible, Fungible);464                    list_benchmark!(list, extra, pallet_refungible, Refungible);465                    list_benchmark!(list, extra, pallet_nonfungible, Nonfungible);466                    list_benchmark!(list, extra, pallet_unique_scheduler, Scheduler);467468                    #[cfg(not(feature = "unique-runtime"))]469                    list_benchmark!(list, extra, pallet_proxy_rmrk_core, RmrkCore);470471                    #[cfg(not(feature = "unique-runtime"))]472                    list_benchmark!(list, extra, pallet_proxy_rmrk_equip, RmrkEquip);473474                    // list_benchmark!(list, extra, pallet_evm_coder_substrate, EvmCoderSubstrate);475476                    let storage_info = AllPalletsReversedWithSystemFirst::storage_info();477478                    return (list, storage_info)479                }480481                fn dispatch_benchmark(482                    config: frame_benchmarking::BenchmarkConfig483                ) -> Result<Vec<frame_benchmarking::BenchmarkBatch>, sp_runtime::RuntimeString> {484                    use frame_benchmarking::{Benchmarking, BenchmarkBatch, add_benchmark, TrackedStorageKey};485486                    let allowlist: Vec<TrackedStorageKey> = vec![487                        // Total Issuance488                        hex_literal::hex!("c2261276cc9d1f8598ea4b6a74b15c2f57c875e4cff74148e4628f264b974c80").to_vec().into(),489490                        // Block Number491                        hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef702a5c1b19ab7a04f536c519aca4983ac").to_vec().into(),492                        // Execution Phase493                        hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef7ff553b5a9862a516939d82b3d3d8661a").to_vec().into(),494                        // Event Count495                        hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef70a98fdbe9ce6c55837576c60c7af3850").to_vec().into(),496                        // System Events497                        hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef780d41e5e16056765bc8461851072c9d7").to_vec().into(),498499                        // Evm CurrentLogs500                        hex_literal::hex!("1da53b775b270400e7e61ed5cbc5a146547f210cec367e9af919603343b9cb56").to_vec().into(),501502                        // Transactional depth503                        hex_literal::hex!("3a7472616e73616374696f6e5f6c6576656c3a").to_vec().into(),504                    ];505506                    let mut batches = Vec::<BenchmarkBatch>::new();507                    let params = (&config, &allowlist);508509                    add_benchmark!(params, batches, pallet_evm_migration, EvmMigration);510                    add_benchmark!(params, batches, pallet_common, Common);511                    add_benchmark!(params, batches, pallet_unique, Unique);512                    add_benchmark!(params, batches, pallet_structure, Structure);513                    add_benchmark!(params, batches, pallet_inflation, Inflation);514                    add_benchmark!(params, batches, pallet_fungible, Fungible);515                    add_benchmark!(params, batches, pallet_refungible, Refungible);516                    add_benchmark!(params, batches, pallet_nonfungible, Nonfungible);517                    add_benchmark!(params, batches, pallet_unique_scheduler, Scheduler);518519                    #[cfg(not(feature = "unique-runtime"))]520                    add_benchmark!(params, batches, pallet_proxy_rmrk_core, RmrkCore);521522                    #[cfg(not(feature = "unique-runtime"))]523                    add_benchmark!(params, batches, pallet_proxy_rmrk_equip, RmrkEquip);524525                    // add_benchmark!(params, batches, pallet_evm_coder_substrate, EvmCoderSubstrate);526527                    if batches.is_empty() { return Err("Benchmark not found for this pallet.".into()) }528                    Ok(batches)529                }530            }531532            #[cfg(feature = "try-runtime")]533            impl frame_try_runtime::TryRuntime<Block> for Runtime {534                fn on_runtime_upgrade() -> (Weight, Weight) {535                    log::info!("try-runtime::on_runtime_upgrade unique-chain.");536                    let weight = Executive::try_runtime_upgrade().unwrap();537                    (weight, RuntimeBlockWeights::get().max_block)538                }539540                fn execute_block_no_check(block: Block) -> Weight {541                    Executive::execute_block_no_check(block)542                }543            }544        }545    }546}
addedtests/CHANGELOG.mddiffbeforeafterboth
--- /dev/null
+++ b/tests/CHANGELOG.md
@@ -0,0 +1,11 @@
+# Change Log
+
+All notable changes to this project will be documented in this file.
+
+## 2022-07-14
+
+### Added
+ - Integrintegration tests of RPC method `token_owners`.
+ - Integrintegration tests of Fungible Pallet.
+  
+ 
\ No newline at end of file
modifiedtests/package.jsondiffbeforeafterboth
--- a/tests/package.json
+++ b/tests/package.json
@@ -80,6 +80,8 @@
     "testLimits": "mocha --timeout 9999999 -r ts-node/register ./**/limits.test.ts",
     "testEthCreateCollection": "mocha --timeout 9999999 -r ts-node/register ./**/eth/createCollection.test.ts",
     "testRFT": "mocha --timeout 9999999 -r ts-node/register ./**/refungible.test.ts",
+    "testFT": "mocha --timeout 9999999 -r ts-node/register ./**/fungible.test.ts",
+    "testRPC": "mocha --timeout 9999999 -r ts-node/register ./**/rpc.test.ts",
     "polkadot-types-fetch-metadata": "curl -H 'Content-Type: application/json' -d '{\"id\":\"1\", \"jsonrpc\":\"2.0\", \"method\": \"state_getMetadata\", \"params\":[]}' http://localhost:9933 > src/interfaces/metadata.json",
     "polkadot-types-from-defs": "ts-node ./node_modules/.bin/polkadot-types-from-defs --endpoint src/interfaces/metadata.json --input src/interfaces/ --package .",
     "polkadot-types-from-chain": "ts-node ./node_modules/.bin/polkadot-types-from-chain --endpoint src/interfaces/metadata.json --output src/interfaces/ --package .",
addedtests/src/fungible.test.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/fungible.test.ts
@@ -0,0 +1,184 @@
+// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.
+// This file is part of Unique Network.
+
+// Unique Network is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Unique Network is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
+
+import {default as usingApi} from './substrate/substrate-api';
+import {IKeyringPair} from '@polkadot/types/types';
+import {
+  getBalance,
+  createMultipleItemsExpectSuccess,
+  isTokenExists,
+  getLastTokenId,
+  getAllowance,
+  approve,
+  transferFrom,
+  createCollection,
+  transfer,
+  burnItem,
+  normalizeAccountId,
+  CrossAccountId,
+  createFungibleItemExpectSuccess,
+  U128_MAX,
+  burnFromExpectSuccess,
+} from './util/helpers';
+
+import chai from 'chai';
+import chaiAsPromised from 'chai-as-promised';
+chai.use(chaiAsPromised);
+const expect = chai.expect;
+
+let alice: IKeyringPair;
+let bob: IKeyringPair;
+
+describe('integration test: Fungible functionality:', () => {
+  before(async () => {
+    await usingApi(async (api, privateKeyWrapper) => {
+      alice = privateKeyWrapper('//Alice');
+      bob = privateKeyWrapper('//Bob');
+    });
+  });
+
+  it('Create fungible collection and token', async () => {
+    await usingApi(async api => {
+      const createCollectionResult = await createCollection(api, alice, {mode: {type: 'Fungible', decimalPoints: 0}});
+      expect(createCollectionResult.success).to.be.true;
+      const collectionId  = createCollectionResult.collectionId;
+      const defaultTokenId = await getLastTokenId(api, collectionId);
+      const aliceTokenId = await createFungibleItemExpectSuccess(alice, collectionId, {Value: U128_MAX}, alice.address);
+      const aliceBalance = await getBalance(api, collectionId, alice, aliceTokenId); 
+      const itemCountAfter = await getLastTokenId(api, collectionId);
+      
+      // What to expect
+      // tslint:disable-next-line:no-unused-expression
+      expect(itemCountAfter).to.be.equal(defaultTokenId);
+      expect(aliceBalance).to.be.equal(U128_MAX);
+    });
+  });
+  
+  it('RPC method tokenOnewrs for fungible collection and token', async () => {
+    await usingApi(async (api, privateKeyWrapper) => {
+      const ethAcc = {Ethereum: '0x67fb3503a61b284dc83fa96dceec4192db47dc7c'};
+      const facelessCrowd = Array.from(Array(7).keys()).map(i => normalizeAccountId(privateKeyWrapper(i.toString())));
+      
+      const createCollectionResult = await createCollection(api, alice, {mode: {type: 'Fungible', decimalPoints: 0}});
+      const collectionId = createCollectionResult.collectionId;
+      const aliceTokenId = await createFungibleItemExpectSuccess(alice, collectionId, {Value: U128_MAX}, alice.address);
+     
+      await transfer(api, collectionId, aliceTokenId, alice, bob, 1000n);
+      await transfer(api, collectionId, aliceTokenId, alice, ethAcc, 900n);
+            
+      for (let i = 0; i < 7; i++) {
+        await transfer(api, collectionId, aliceTokenId, alice, facelessCrowd[i], 1);
+      } 
+      
+      const owners = await api.rpc.unique.tokenOwners(collectionId, aliceTokenId);
+      const ids = (owners.toJSON() as CrossAccountId[]).map(s => normalizeAccountId(s));
+      const aliceID = normalizeAccountId(alice);
+      const bobId = normalizeAccountId(bob);
+
+      // What to expect
+      // tslint:disable-next-line:no-unused-expression
+      expect(ids).to.deep.include.members([aliceID, ethAcc, bobId, ...facelessCrowd]);
+      expect(owners.length == 10).to.be.true;
+      
+      const eleven = privateKeyWrapper('11');
+      expect(await transfer(api, collectionId, aliceTokenId, alice, eleven, 10n)).to.be.true;
+      expect((await api.rpc.unique.tokenOwners(collectionId, aliceTokenId)).length).to.be.equal(10);
+    });
+  });
+  
+  it('Transfer token', async () => {
+    await usingApi(async api => {
+      const ethAcc = {Ethereum: '0x67fb3503a61b284dc83fa96dceec4192db47dc7c'};
+      const collectionId = (await createCollection(api, alice, {mode: {type: 'Fungible', decimalPoints: 0}})).collectionId;
+      const tokenId = await createFungibleItemExpectSuccess(alice, collectionId, {Value: 500n}, alice.address);
+
+      expect(await getBalance(api, collectionId, alice, tokenId)).to.be.equal(500n);
+      expect(await transfer(api, collectionId, tokenId, alice, bob, 60n)).to.be.true;
+      expect(await transfer(api, collectionId, tokenId, alice, ethAcc, 140n)).to.be.true;
+
+      expect(await getBalance(api, collectionId, alice, tokenId)).to.be.equal(300n);
+      expect(await getBalance(api, collectionId, bob, tokenId)).to.be.equal(60n);
+      expect(await getBalance(api, collectionId, ethAcc, tokenId)).to.be.equal(140n);
+      await expect(transfer(api, collectionId, tokenId, alice, bob, 350n)).to.eventually.be.rejected;
+    });
+  });
+
+  it('Tokens multiple creation', async () => {
+    await usingApi(async api => {
+      const collectionId = (await createCollection(api, alice, {mode: {type: 'Fungible', decimalPoints: 0}})).collectionId;
+      
+      const args = [
+        {Fungible: {Value: 500n}},
+        {Fungible: {Value: 400n}},
+        {Fungible: {Value: 300n}},
+      ];
+      
+      await createMultipleItemsExpectSuccess(alice, collectionId, args);
+      expect(await getBalance(api, collectionId, alice, 0)).to.be.equal(1200n);
+    });   
+  });
+
+  it('Burn some tokens ', async () => {
+    await usingApi(async api => {   
+      const collectionId = (await createCollection(api, alice, {mode: {type: 'Fungible', decimalPoints: 0}})).collectionId;
+      const tokenId = (await createFungibleItemExpectSuccess(alice, collectionId, {Value: 500n}, alice.address));
+      expect(await isTokenExists(api, collectionId, tokenId)).to.be.true;
+      expect(await getBalance(api, collectionId, alice, tokenId)).to.be.equal(500n);
+      expect(await burnItem(api, alice, collectionId, tokenId, 499n)).to.be.true;
+      expect(await isTokenExists(api, collectionId, tokenId)).to.be.true;
+      expect(await getBalance(api, collectionId, alice, tokenId)).to.be.equal(1n);
+    });
+  });
+  
+  it('Burn all tokens ', async () => {
+    await usingApi(async api => {   
+      const collectionId = (await createCollection(api, alice, {mode: {type: 'Fungible', decimalPoints: 0}})).collectionId;
+      const tokenId = (await createFungibleItemExpectSuccess(alice, collectionId, {Value: 500n}, alice.address));
+      expect(await isTokenExists(api, collectionId, tokenId)).to.be.true;
+      expect(await burnItem(api, alice, collectionId, tokenId, 500n)).to.be.true;
+      expect(await isTokenExists(api, collectionId, tokenId)).to.be.true;
+      
+      expect(await getBalance(api, collectionId, alice, tokenId)).to.be.equal(0n);
+      expect((await api.rpc.unique.totalPieces(collectionId, tokenId)).value.toBigInt()).to.be.equal(0n);
+    });
+  });
+
+  it('Set allowance for token', async () => {
+    await usingApi(async api => {
+      const collectionId = (await createCollection(api, alice, {mode: {type: 'Fungible', decimalPoints: 0}})).collectionId;
+      const ethAcc = {Ethereum: '0x67fb3503a61b284dc83fa96dceec4192db47dc7c'};
+      
+      const tokenId = (await createFungibleItemExpectSuccess(alice, collectionId, {Value: 100n}, alice.address));
+      expect(await getBalance(api, collectionId, alice, tokenId)).to.be.equal(100n);
+
+      expect(await approve(api, collectionId, tokenId, alice, bob, 60n)).to.be.true;
+      expect(await getAllowance(api, collectionId, alice, bob, tokenId)).to.be.equal(60n);
+      expect(await getBalance(api, collectionId, bob, tokenId)).to.be.equal(0n);
+      
+      expect(await transferFrom(api, collectionId, tokenId, bob, alice, bob,  20n)).to.be.true;
+      expect(await getBalance(api, collectionId, alice, tokenId)).to.be.equal(80n);
+      expect(await getBalance(api, collectionId, bob, tokenId)).to.be.equal(20n);
+      expect(await getAllowance(api, collectionId, alice, bob, tokenId)).to.be.equal(40n);
+      
+      await burnFromExpectSuccess(bob, alice, collectionId, tokenId, 10n);
+     
+      expect(await getBalance(api, collectionId, alice, tokenId)).to.be.equal(70n);
+      expect(await getAllowance(api, collectionId, alice, bob, tokenId)).to.be.equal(30n);
+      expect(await transferFrom(api, collectionId, tokenId, bob, alice, ethAcc,  10n)).to.be.true;
+      expect(await getBalance(api, collectionId, ethAcc, tokenId)).to.be.equal(10n);
+    });
+  });
+});
modifiedtests/src/interfaces/augment-api-consts.tsdiffbeforeafterboth
--- a/tests/src/interfaces/augment-api-consts.ts
+++ b/tests/src/interfaces/augment-api-consts.ts
@@ -29,7 +29,13 @@
       [key: string]: Codec;
     };
     common: {
+      /**
+       * Maximum admins per collection.
+       **/
       collectionAdminsLimit: u32 & AugmentedConst<ApiType>;
+      /**
+       * Set price to create a collection.
+       **/
       collectionCreationPrice: u128 & AugmentedConst<ApiType>;
       /**
        * Generic const
modifiedtests/src/interfaces/augment-api-events.tsdiffbeforeafterboth
--- a/tests/src/interfaces/augment-api-events.ts
+++ b/tests/src/interfaces/augment-api-events.ts
@@ -59,82 +59,47 @@
     };
     common: {
       /**
-       * * collection_id
-       * 
-       * * item_id
-       * 
-       * * sender
-       * 
-       * * spender
-       * 
-       * * amount
+       * Amount pieces of token owned by `sender` was approved for `spender`.
        **/
       Approved: AugmentedEvent<ApiType, [u32, u32, PalletEvmAccountBasicCrossAccountIdRepr, PalletEvmAccountBasicCrossAccountIdRepr, u128]>;
       /**
        * New collection was created
-       * 
-       * # Arguments
-       * 
-       * * collection_id: Globally unique identifier of newly created collection.
-       * 
-       * * mode: [CollectionMode] converted into u8.
-       * 
-       * * account_id: Collection owner.
        **/
       CollectionCreated: AugmentedEvent<ApiType, [u32, u8, AccountId32]>;
       /**
        * New collection was destroyed
-       * 
-       * # Arguments
-       * 
-       * * collection_id: Globally unique identifier of collection.
        **/
       CollectionDestroyed: AugmentedEvent<ApiType, [u32]>;
+      /**
+       * The property has been deleted.
+       **/
       CollectionPropertyDeleted: AugmentedEvent<ApiType, [u32, Bytes]>;
+      /**
+       * The colletion property has been set.
+       **/
       CollectionPropertySet: AugmentedEvent<ApiType, [u32, Bytes]>;
       /**
        * 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
-       * 
-       * * amount: Always 1 for NFT
        **/
       ItemCreated: AugmentedEvent<ApiType, [u32, u32, PalletEvmAccountBasicCrossAccountIdRepr, u128]>;
       /**
        * Collection item was burned.
-       * 
-       * # Arguments
-       * 
-       * * collection_id.
-       * 
-       * * item_id: Identifier of burned NFT.
-       * 
-       * * owner: which user has destroyed its tokens
-       * 
-       * * amount: Always 1 for NFT
        **/
       ItemDestroyed: AugmentedEvent<ApiType, [u32, u32, PalletEvmAccountBasicCrossAccountIdRepr, u128]>;
+      /**
+       * The colletion property permission has been set.
+       **/
       PropertyPermissionSet: AugmentedEvent<ApiType, [u32, Bytes]>;
+      /**
+       * The token property has been deleted.
+       **/
       TokenPropertyDeleted: AugmentedEvent<ApiType, [u32, u32, Bytes]>;
+      /**
+       * The token property has been set.
+       **/
       TokenPropertySet: AugmentedEvent<ApiType, [u32, u32, Bytes]>;
       /**
        * 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: AugmentedEvent<ApiType, [u32, u32, PalletEvmAccountBasicCrossAccountIdRepr, PalletEvmAccountBasicCrossAccountIdRepr, u128]>;
       /**
modifiedtests/src/interfaces/augment-api-query.tsdiffbeforeafterboth
--- a/tests/src/interfaces/augment-api-query.ts
+++ b/tests/src/interfaces/augment-api-query.ts
@@ -69,24 +69,36 @@
       [key: string]: QueryableStorageEntry<ApiType>;
     };
     common: {
+      /**
+       * Storage of collection admins count.
+       **/
       adminAmount: AugmentedQuery<ApiType, (arg: u32 | AnyNumber | Uint8Array) => Observable<u32>, [u32]> & QueryableStorageEntry<ApiType, [u32]>;
       /**
        * Allowlisted collection users
        **/
       allowlist: AugmentedQuery<ApiType, (arg1: u32 | AnyNumber | Uint8Array, arg2: PalletEvmAccountBasicCrossAccountIdRepr | { Substrate: any } | { Ethereum: any } | string | Uint8Array) => Observable<bool>, [u32, PalletEvmAccountBasicCrossAccountIdRepr]> & QueryableStorageEntry<ApiType, [u32, PalletEvmAccountBasicCrossAccountIdRepr]>;
       /**
-       * Collection info
+       * Storage of collection info.
        **/
       collectionById: AugmentedQuery<ApiType, (arg: u32 | AnyNumber | Uint8Array) => Observable<Option<UpDataStructsCollection>>, [u32]> & QueryableStorageEntry<ApiType, [u32]>;
       /**
-       * Collection properties
+       * Storage of collection properties.
        **/
       collectionProperties: AugmentedQuery<ApiType, (arg: u32 | AnyNumber | Uint8Array) => Observable<UpDataStructsProperties>, [u32]> & QueryableStorageEntry<ApiType, [u32]>;
+      /**
+       * Storage of collection properties permissions.
+       **/
       collectionPropertyPermissions: AugmentedQuery<ApiType, (arg: u32 | AnyNumber | Uint8Array) => Observable<BTreeMap<Bytes, UpDataStructsPropertyPermission>>, [u32]> & QueryableStorageEntry<ApiType, [u32]>;
+      /**
+       * Storage of the count of created collections.
+       **/
       createdCollectionCount: AugmentedQuery<ApiType, () => Observable<u32>, []> & QueryableStorageEntry<ApiType, []>;
+      /**
+       * Storage of the count of deleted collections.
+       **/
       destroyedCollectionCount: AugmentedQuery<ApiType, () => Observable<u32>, []> & QueryableStorageEntry<ApiType, []>;
       /**
-       * Not used by code, exists only to provide some types to metadata
+       * Not used by code, exists only to provide some types to metadata.
        **/
       dummyStorageValue: AugmentedQuery<ApiType, () => Observable<Option<ITuple<[UpDataStructsCollectionStats, u32, u32, UpDataStructsTokenChild, PhantomTypeUpDataStructs]>>>, []> & QueryableStorageEntry<ApiType, []>;
       /**
@@ -231,20 +243,42 @@
       [key: string]: QueryableStorageEntry<ApiType>;
     };
     nonfungible: {
+      /**
+       * Amount of tokens owned by account.
+       **/
       accountBalance: AugmentedQuery<ApiType, (arg1: u32 | AnyNumber | Uint8Array, arg2: PalletEvmAccountBasicCrossAccountIdRepr | { Substrate: any } | { Ethereum: any } | string | Uint8Array) => Observable<u32>, [u32, PalletEvmAccountBasicCrossAccountIdRepr]> & QueryableStorageEntry<ApiType, [u32, PalletEvmAccountBasicCrossAccountIdRepr]>;
+      /**
+       * Allowance set by an owner for a spender for a token.
+       **/
       allowance: AugmentedQuery<ApiType, (arg1: u32 | AnyNumber | Uint8Array, arg2: u32 | AnyNumber | Uint8Array) => Observable<Option<PalletEvmAccountBasicCrossAccountIdRepr>>, [u32, u32]> & QueryableStorageEntry<ApiType, [u32, u32]>;
       /**
-       * Used to enumerate tokens owned by account
+       * Used to enumerate tokens owned by account.
        **/
       owned: AugmentedQuery<ApiType, (arg1: u32 | AnyNumber | Uint8Array, arg2: PalletEvmAccountBasicCrossAccountIdRepr | { Substrate: any } | { Ethereum: any } | string | Uint8Array, arg3: u32 | AnyNumber | Uint8Array) => Observable<bool>, [u32, PalletEvmAccountBasicCrossAccountIdRepr, u32]> & QueryableStorageEntry<ApiType, [u32, PalletEvmAccountBasicCrossAccountIdRepr, u32]>;
+      /**
+       * Custom data that is serialized to bytes and attached to a token property.
+       * Currently used to store RMRK data.
+       **/
       tokenAuxProperties: AugmentedQuery<ApiType, (arg1: u32 | AnyNumber | Uint8Array, arg2: u32 | AnyNumber | Uint8Array, arg3: UpDataStructsPropertyScope | 'None' | 'Rmrk' | number | Uint8Array, arg4: Bytes | string | Uint8Array) => Observable<Option<Bytes>>, [u32, u32, UpDataStructsPropertyScope, Bytes]> & QueryableStorageEntry<ApiType, [u32, u32, UpDataStructsPropertyScope, Bytes]>;
       /**
-       * Used to enumerate token's children
+       * Used to enumerate token's children.
        **/
       tokenChildren: AugmentedQuery<ApiType, (arg1: u32 | AnyNumber | Uint8Array, arg2: u32 | AnyNumber | Uint8Array, arg3: ITuple<[u32, u32]> | [u32 | AnyNumber | Uint8Array, u32 | AnyNumber | Uint8Array]) => Observable<bool>, [u32, u32, ITuple<[u32, u32]>]> & QueryableStorageEntry<ApiType, [u32, u32, ITuple<[u32, u32]>]>;
+      /**
+       * Custom data serialized to bytes for token.
+       **/
       tokenData: AugmentedQuery<ApiType, (arg1: u32 | AnyNumber | Uint8Array, arg2: u32 | AnyNumber | Uint8Array) => Observable<Option<PalletNonfungibleItemData>>, [u32, u32]> & QueryableStorageEntry<ApiType, [u32, u32]>;
+      /**
+       * Key-Value map stored for token.
+       **/
       tokenProperties: AugmentedQuery<ApiType, (arg1: u32 | AnyNumber | Uint8Array, arg2: u32 | AnyNumber | Uint8Array) => Observable<UpDataStructsProperties>, [u32, u32]> & QueryableStorageEntry<ApiType, [u32, u32]>;
+      /**
+       * Amount of burnt tokens for collection.
+       **/
       tokensBurnt: AugmentedQuery<ApiType, (arg: u32 | AnyNumber | Uint8Array) => Observable<u32>, [u32]> & QueryableStorageEntry<ApiType, [u32]>;
+      /**
+       * Amount of tokens minted for collection.
+       **/
       tokensMinted: AugmentedQuery<ApiType, (arg: u32 | AnyNumber | Uint8Array) => Observable<u32>, [u32]> & QueryableStorageEntry<ApiType, [u32]>;
       /**
        * Generic query
@@ -430,6 +464,9 @@
        **/
       tokenData: AugmentedQuery<ApiType, (arg1: u32 | AnyNumber | Uint8Array, arg2: u32 | AnyNumber | Uint8Array) => Observable<PalletRefungibleItemData>, [u32, u32]> & QueryableStorageEntry<ApiType, [u32, u32]>;
       tokenProperties: AugmentedQuery<ApiType, (arg1: u32 | AnyNumber | Uint8Array, arg2: u32 | AnyNumber | Uint8Array) => Observable<UpDataStructsProperties>, [u32, u32]> & QueryableStorageEntry<ApiType, [u32, u32]>;
+      /**
+       * Amount of burnt tokens for collection
+       **/
       tokensBurnt: AugmentedQuery<ApiType, (arg: u32 | AnyNumber | Uint8Array) => Observable<u32>, [u32]> & QueryableStorageEntry<ApiType, [u32]>;
       /**
        * Amount of tokens minted for collection
modifiedtests/src/interfaces/augment-api-rpc.tsdiffbeforeafterboth
--- a/tests/src/interfaces/augment-api-rpc.ts
+++ b/tests/src/interfaces/augment-api-rpc.ts
@@ -709,6 +709,10 @@
        **/
       tokenOwner: AugmentedRpc<(collection: u32 | AnyNumber | Uint8Array, tokenId: u32 | AnyNumber | Uint8Array, at?: Hash | string | Uint8Array) => Observable<Option<PalletEvmAccountBasicCrossAccountIdRepr>>>;
       /**
+       * Returns 10 tokens owners in no particular order
+       **/
+      tokenOwners: AugmentedRpc<(collection: u32 | AnyNumber | Uint8Array, tokenId: u32 | AnyNumber | Uint8Array, at?: Hash | string | Uint8Array) => Observable<Vec<PalletEvmAccountBasicCrossAccountIdRepr>>>;
+      /**
        * Get token properties
        **/
       tokenProperties: AugmentedRpc<(collection: u32 | AnyNumber | Uint8Array, tokenId: u32 | AnyNumber | Uint8Array, propertyKeys?: Vec<Text> | (Text | string)[], at?: Hash | string | Uint8Array) => Observable<Vec<UpDataStructsProperty>>>;
modifiedtests/src/interfaces/unique/definitions.tsdiffbeforeafterboth
--- a/tests/src/interfaces/unique/definitions.ts
+++ b/tests/src/interfaces/unique/definitions.ts
@@ -49,6 +49,7 @@
     balance: fun('Get amount of specific account token', [collectionParam, crossAccountParam(), tokenParam], 'u128'),
     allowance: fun('Get allowed amount', [collectionParam, crossAccountParam('sender'), crossAccountParam('spender'), tokenParam], 'u128'),
     tokenOwner: fun('Get token owner', [collectionParam, tokenParam], `Option<${CROSS_ACCOUNT_ID_TYPE}>`),
+    tokenOwners: fun('Returns 10 tokens owners in no particular order', [collectionParam, tokenParam], `Vec<${CROSS_ACCOUNT_ID_TYPE}>`),
     topmostTokenOwner: fun('Get token owner, in case of nested token - find parent recursive', [collectionParam, tokenParam], `Option<${CROSS_ACCOUNT_ID_TYPE}>`),
     tokenChildren: fun('Get tokens nested directly into the token', [collectionParam, tokenParam], 'Vec<UpDataStructsTokenChild>'),
     constMetadata: fun('Get token constant metadata', [collectionParam, tokenParam], 'Vec<u8>'),
modifiedtests/src/refungible.test.tsdiffbeforeafterboth
--- a/tests/src/refungible.test.ts
+++ b/tests/src/refungible.test.ts
@@ -32,6 +32,8 @@
   repartitionRFT,
   createCollectionWithPropsExpectSuccess,
   getDetailedCollectionInfo,
+  normalizeAccountId,
+  CrossAccountId,
   getCreateItemsResult,
   getDestroyItemsResult,
 } from './util/helpers';
@@ -55,14 +57,14 @@
   it('Create refungible collection and token', async () => {
     await usingApi(async api => {
       const createCollectionResult = await createCollection(api, alice, {mode: {type: 'ReFungible'}});
-      expect(createCollectionResult.success).to.be.true;    
+      expect(createCollectionResult.success).to.be.true;
       const collectionId  = createCollectionResult.collectionId;
-
+      
       const itemCountBefore = await getLastTokenId(api, collectionId);
       const result = await createRefungibleToken(api, alice, collectionId, 100n);
-
+      
       const itemCountAfter = await getLastTokenId(api, collectionId);
-
+      
       // What to expect
       // tslint:disable-next-line:no-unused-expression
       expect(result.success).to.be.true;
@@ -71,7 +73,43 @@
       expect(itemCountAfter.toString()).to.be.equal(result.itemId.toString());
     });
   });
-
+  
+  it('RPC method tokenOnewrs for refungible collection and token', async () => {
+    await usingApi(async (api, privateKeyWrapper) => {
+      const ethAcc = {Ethereum: '0x67fb3503a61b284dc83fa96dceec4192db47dc7c'};
+      const facelessCrowd = Array.from(Array(7).keys()).map(i => normalizeAccountId(privateKeyWrapper(i.toString())));
+      
+      const createCollectionResult = await createCollection(api, alice, {mode: {type: 'ReFungible'}});
+      const collectionId = createCollectionResult.collectionId;
+      
+      const result = await createRefungibleToken(api, alice, collectionId, 10_000n);
+      const aliceTokenId = result.itemId;
+      
+      
+      await transfer(api, collectionId, aliceTokenId, alice, bob, 1000n);
+      await transfer(api, collectionId, aliceTokenId, alice, ethAcc, 900n);
+      
+      for (let i = 0; i < 7; i++) {
+        await transfer(api, collectionId, aliceTokenId, alice, facelessCrowd[i], 50*(i+1));
+      } 
+      
+      const owners = await api.rpc.unique.tokenOwners(collectionId, aliceTokenId);
+      const ids = (owners.toJSON() as CrossAccountId[]).map(s => normalizeAccountId(s));
+      
+      const aliceID = normalizeAccountId(alice);
+      const bobId = normalizeAccountId(bob);
+      
+      // What to expect
+      // tslint:disable-next-line:no-unused-expression
+      expect(ids).to.deep.include.members([aliceID, ethAcc, bobId, ...facelessCrowd]);
+      expect(owners.length).to.be.equal(10);
+      
+      const eleven = privateKeyWrapper('11');
+      expect(await transfer(api, collectionId, aliceTokenId, alice, eleven, 10n)).to.be.true;
+      expect((await api.rpc.unique.tokenOwners(collectionId, aliceTokenId)).length).to.be.equal(10);
+    });
+  });
+  
   it('Transfer token pieces', async () => {
     await usingApi(async api => {
       const collectionId = (await createCollection(api, alice, {mode: {type: 'ReFungible'}})).collectionId;
modifiedtests/src/rpc.test.tsdiffbeforeafterboth
--- a/tests/src/rpc.test.ts
+++ b/tests/src/rpc.test.ts
@@ -1,12 +1,57 @@
+import {IKeyringPair} from '@polkadot/types/types';
 import {expect} from 'chai';
 import usingApi from './substrate/substrate-api';
-import {createCollectionExpectSuccess, getTokenOwner} from './util/helpers';
+import {createCollection, createCollectionExpectSuccess, createFungibleItemExpectSuccess, CrossAccountId, getTokenOwner, normalizeAccountId, transfer, U128_MAX} from './util/helpers';
+
+let alice: IKeyringPair;
+let bob: IKeyringPair;
 
-describe('getTokenOwner', () => {
+
+describe('integration test: RPC methods', () => {
+  before(async () => {
+    await usingApi(async (api, privateKeyWrapper) => {
+      alice = privateKeyWrapper('//Alice');
+      bob = privateKeyWrapper('//Bob');
+    });
+  });
+
+  
   it('returns None for fungible collection', async () => {
     await usingApi(async api => {
       const collection = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});
       await expect(getTokenOwner(api, collection, 0)).to.be.rejectedWith(/^owner == null$/);
     });
   });
+  
+  it('RPC method tokenOwners for fungible collection and token', async () => {
+    await usingApi(async (api, privateKeyWrapper) => {
+      const ethAcc = {Ethereum: '0x67fb3503a61b284dc83fa96dceec4192db47dc7c'};
+      const facelessCrowd = Array.from(Array(7).keys()).map(i => normalizeAccountId(privateKeyWrapper(i.toString())));
+      
+      const createCollectionResult = await createCollection(api, alice, {mode: {type: 'Fungible', decimalPoints: 0}});
+      const collectionId = createCollectionResult.collectionId;
+      const aliceTokenId = await createFungibleItemExpectSuccess(alice, collectionId, {Value: U128_MAX}, alice.address);
+     
+      await transfer(api, collectionId, aliceTokenId, alice, bob, 1000n);
+      await transfer(api, collectionId, aliceTokenId, alice, ethAcc, 900n);
+            
+      for (let i = 0; i < 7; i++) {
+        await transfer(api, collectionId, aliceTokenId, alice, facelessCrowd[i], 1);
+      } 
+      
+      const owners = await api.rpc.unique.tokenOwners(collectionId, aliceTokenId);
+      const ids = (owners.toJSON() as CrossAccountId[]).map(s => normalizeAccountId(s));
+      const aliceID = normalizeAccountId(alice);
+      const bobId = normalizeAccountId(bob);
+
+      // What to expect
+      // tslint:disable-next-line:no-unused-expression
+      expect(ids).to.deep.include.members([aliceID, ethAcc, bobId, ...facelessCrowd]);
+      expect(owners.length == 10).to.be.true;
+      
+      const eleven = privateKeyWrapper('11');
+      expect(await transfer(api, collectionId, aliceTokenId, alice, eleven, 10n)).to.be.true;
+      expect((await api.rpc.unique.tokenOwners(collectionId, aliceTokenId)).length).to.be.equal(10);
+    });
+  });
 });
\ No newline at end of file