git.delta.rocks / unique-network / refs/commits / fbd66f575db9

difftreelog

ci fix clippy warnings

Yaroslav Bolyukin2021-06-28parent: #93b1982.patch.diff
in: master

13 files changed

modifiedCargo.lockdiffbeforeafterboth
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5996,34 +5996,34 @@
 [[package]]
 name = "pallet-scheduler"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.3#c94e0cdfe5556680dca1996004751eeb114755d7"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
  "frame-system",
  "log",
  "parity-scale-codec 2.1.3",
+ "serde",
+ "sp-core",
  "sp-io",
  "sp-runtime",
  "sp-std",
+ "substrate-test-utils",
+ "up-sponsorship",
 ]
 
 [[package]]
 name = "pallet-scheduler"
 version = "3.0.0"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.3#c94e0cdfe5556680dca1996004751eeb114755d7"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
  "frame-system",
  "log",
  "parity-scale-codec 2.1.3",
- "serde",
- "sp-core",
  "sp-io",
  "sp-runtime",
  "sp-std",
- "substrate-test-utils",
- "up-sponsorship",
 ]
 
 [[package]]
modifiedcrates/evm-coder-macros/src/solidity_interface.rsdiffbeforeafterboth
--- a/crates/evm-coder-macros/src/solidity_interface.rs
+++ b/crates/evm-coder-macros/src/solidity_interface.rs
@@ -264,7 +264,7 @@
 			ReturnType::Type(_, ty) => ty,
 			_ => return Err(syn::Error::new(value.sig.output.span(), "interface method should return Result<value>\nif there is no value to return - specify void (which is alias to unit)")),
 		};
-		let result = parse_result_ok(&result)?;
+		let result = parse_result_ok(result)?;
 
 		let camel_name = info
 			.rename_selector
@@ -285,8 +285,8 @@
 		Ok(Self {
 			name: ident.clone(),
 			camel_name,
-			pascal_name: snake_ident_to_pascal(&ident),
-			screaming_name: snake_ident_to_screaming(&ident),
+			pascal_name: snake_ident_to_pascal(ident),
+			screaming_name: snake_ident_to_screaming(ident),
 			selector_str,
 			selector,
 			args,
@@ -433,7 +433,7 @@
 						found_error = true;
 					}
 				}
-				TraitItem::Method(method) => methods.push(Method::try_from(&method)?),
+				TraitItem::Method(method) => methods.push(Method::try_from(method)?),
 				_ => {}
 			}
 		}
modifiedcrates/evm-coder-macros/src/to_log.rsdiffbeforeafterboth
--- a/crates/evm-coder-macros/src/to_log.rs
+++ b/crates/evm-coder-macros/src/to_log.rs
@@ -41,7 +41,7 @@
 impl Event {
 	fn try_from(variant: &Variant) -> syn::Result<Self> {
 		let name = &variant.ident;
-		let name_screaming = snake_ident_to_screaming(&name);
+		let name_screaming = snake_ident_to_screaming(name);
 
 		let named = match &variant.fields {
 			Fields::Named(named) => named,
@@ -54,7 +54,7 @@
 		};
 		let mut fields = Vec::new();
 		for field in &named.named {
-			fields.push(EventField::try_from(&field)?);
+			fields.push(EventField::try_from(field)?);
 		}
 		let mut selector_str = format!("{}(", name);
 		for (i, arg) in fields.iter().enumerate() {
modifiedcrates/evm-coder/src/abi.rsdiffbeforeafterboth
--- a/crates/evm-coder/src/abi.rs
+++ b/crates/evm-coder/src/abi.rs
@@ -104,7 +104,7 @@
 	fn subresult(&mut self) -> Result<AbiReader<'i>> {
 		let offset = self.read_usize()?;
 		Ok(AbiReader {
-			buf: &self.buf,
+			buf: self.buf,
 			offset: offset + self.offset,
 		})
 	}
@@ -252,7 +252,7 @@
 impl_abi_writeable!(&str, string);
 impl AbiWrite for &string {
 	fn abi_write(&self, writer: &mut AbiWriter) {
-		writer.string(&self)
+		writer.string(self)
 	}
 }
 
modifiednode/cli/src/cli.rsdiffbeforeafterboth
--- a/node/cli/src/cli.rs
+++ b/node/cli/src/cli.rs
@@ -1,6 +1,4 @@
 use crate::chain_spec;
-use cumulus_client_cli;
-use sc_cli;
 use std::path::PathBuf;
 use structopt::StructOpt;
 
modifiednode/cli/src/command.rsdiffbeforeafterboth
--- a/node/cli/src/command.rs
+++ b/node/cli/src/command.rs
@@ -120,8 +120,7 @@
 	}
 
 	fn load_spec(&self, id: &str) -> std::result::Result<Box<dyn sc_service::ChainSpec>, String> {
-		polkadot_cli::Cli::from_iter([RelayChainCli::executable_name().to_string()].iter())
-			.load_spec(id)
+		polkadot_cli::Cli::from_iter([RelayChainCli::executable_name()].iter()).load_spec(id)
 	}
 
 	fn native_runtime_version(chain_spec: &Box<dyn ChainSpec>) -> &'static RuntimeVersion {
@@ -129,6 +128,7 @@
 	}
 }
 
+#[allow(clippy::borrowed_box)]
 fn extract_genesis_wasm(chain_spec: &Box<dyn sc_service::ChainSpec>) -> Result<Vec<u8>> {
 	let mut storage = chain_spec.build_storage()?;
 
@@ -189,7 +189,7 @@
 			runner.sync_run(|config| {
 				let polkadot_cli = RelayChainCli::new(
 					&config,
-					[RelayChainCli::executable_name().to_string()]
+					[RelayChainCli::executable_name()]
 						.iter()
 						.chain(cli.relaychain_args.iter()),
 				);
@@ -275,7 +275,7 @@
 
 				let polkadot_cli = RelayChainCli::new(
 					&config,
-					[RelayChainCli::executable_name().to_string()]
+					[RelayChainCli::executable_name()]
 						.iter()
 						.chain(cli.relaychain_args.iter()),
 				);
modifiednode/cli/src/service.rsdiffbeforeafterboth
before · node/cli/src/service.rs
1//! Service and ServiceFactory implementation. Specialized wrapper over substrate service.23//4// This file is subject to the terms and conditions defined in5// file 'LICENSE', which is part of this source code package.6//78// std9use std::sync::Arc;10use std::sync::Mutex;11use std::collections::BTreeMap;12use std::collections::HashMap;1314// Local Runtime Types15use nft_runtime::RuntimeApi;1617// Cumulus Imports18use cumulus_client_consensus_aura::{build_aura_consensus, BuildAuraConsensusParams, SlotProportion};19use cumulus_client_consensus_common::ParachainConsensus;20use cumulus_client_network::build_block_announce_validator;21use cumulus_client_service::{22	prepare_node_config, start_collator, start_full_node, StartCollatorParams, StartFullNodeParams,23};24use cumulus_primitives_core::ParaId;2526// Polkadot Imports27use polkadot_primitives::v1::CollatorPair;2829// Substrate Imports30use sc_client_api::ExecutorProvider;31pub use sc_executor::NativeExecutor;32use sc_executor::native_executor_instance;33use sc_network::NetworkService;34use sc_service::{BasePath, Configuration, PartialComponents, Role, TaskManager};35use sc_telemetry::{Telemetry, TelemetryHandle, TelemetryWorker, TelemetryWorkerHandle};36use sp_consensus::SlotData;37use sp_keystore::SyncCryptoStorePtr;38use sp_runtime::traits::BlakeTwo256;39use substrate_prometheus_endpoint::Registry;4041// Frontier Imports42use fc_rpc_core::types::FilterPool;43use fc_rpc_core::types::PendingTransactions;4445// Runtime type overrides46type BlockNumber = u32;47type Header = sp_runtime::generic::Header<BlockNumber, sp_runtime::traits::BlakeTwo256>;48pub type Block = sp_runtime::generic::Block<Header, sp_runtime::OpaqueExtrinsic>;49type Hash = sp_core::H256;5051// Native executor instance.52native_executor_instance!(53	pub ParachainRuntimeExecutor,54	nft_runtime::api::dispatch,55	nft_runtime::native_version,56	frame_benchmarking::benchmarking::HostFunctions,57);5859pub fn open_frontier_backend(config: &Configuration) -> Result<Arc<fc_db::Backend<Block>>, String> {60	let config_dir = config61		.base_path62		.as_ref()63		.map(|base_path| base_path.config_dir(config.chain_spec.id()))64		.unwrap_or_else(|| {65			BasePath::from_project("", "", "nft").config_dir(config.chain_spec.id())66		});67	let database_dir = config_dir.join("frontier").join("db");6869	Ok(Arc::new(fc_db::Backend::<Block>::new(70		&fc_db::DatabaseSettings {71			source: fc_db::DatabaseSettingsSrc::RocksDb {72				path: database_dir,73				cache_size: 0,74			},75		},76	)?))77}7879type Executor = ParachainRuntimeExecutor;8081type FullClient = sc_service::TFullClient<Block, RuntimeApi, Executor>;82type FullBackend = sc_service::TFullBackend<Block>;83type FullSelectChain = sc_consensus::LongestChain<FullBackend, Block>;8485/// Starts a `ServiceBuilder` for a full service.86///87/// Use this macro if you don't actually need the full service, but just the builder in order to88/// be able to perform chain operations.89#[allow(clippy::type_complexity)]90pub fn new_partial<BIQ>(91	config: &Configuration,92	build_import_queue: BIQ,93) -> Result<94	PartialComponents<95		FullClient,96		FullBackend,97		FullSelectChain,98		sp_consensus::DefaultImportQueue<Block, FullClient>,99		sc_transaction_pool::FullPool<Block, FullClient>,100		(101			Option<Telemetry>,102			PendingTransactions,103			Option<FilterPool>,104			Arc<fc_db::Backend<Block>>,105			Option<TelemetryWorkerHandle>,106		),107	>,108	sc_service::Error,109>110where111	sc_client_api::StateBackendFor<FullBackend, Block>: sp_api::StateBackend<BlakeTwo256>,112	Executor: sc_executor::NativeExecutionDispatch + 'static,113	BIQ: FnOnce(114		Arc<FullClient>,115		&Configuration,116		Option<TelemetryHandle>,117		&TaskManager,118	) -> Result<sp_consensus::DefaultImportQueue<Block, FullClient>, sc_service::Error>,119{120	let _telemetry = config121		.telemetry_endpoints122		.clone()123		.filter(|x| !x.is_empty())124		.map(|endpoints| -> Result<_, sc_telemetry::Error> {125			let worker = TelemetryWorker::new(16)?;126			let telemetry = worker.handle().new_telemetry(endpoints);127			Ok((worker, telemetry))128		})129		.transpose()?;130131	let telemetry = config132		.telemetry_endpoints133		.clone()134		.filter(|x| !x.is_empty())135		.map(|endpoints| -> Result<_, sc_telemetry::Error> {136			let worker = TelemetryWorker::new(16)?;137			let telemetry = worker.handle().new_telemetry(endpoints);138			Ok((worker, telemetry))139		})140		.transpose()?;141142	let (client, backend, keystore_container, task_manager) =143		sc_service::new_full_parts::<Block, RuntimeApi, Executor>(144			&config,145			telemetry.as_ref().map(|(_, telemetry)| telemetry.handle()),146		)?;147	let client = Arc::new(client);148149	let telemetry_worker_handle = telemetry.as_ref().map(|(worker, _)| worker.handle());150151	let telemetry = telemetry.map(|(worker, telemetry)| {152		task_manager.spawn_handle().spawn("telemetry", worker.run());153		telemetry154	});155156	let select_chain = sc_consensus::LongestChain::new(backend.clone());157158	let transaction_pool = sc_transaction_pool::BasicPool::new_full(159		config.transaction_pool.clone(),160		config.role.is_authority().into(),161		config.prometheus_registry(),162		task_manager.spawn_handle(),163		client.clone(),164	);165166	let pending_transactions: PendingTransactions = Some(Arc::new(Mutex::new(HashMap::new())));167168	let filter_pool: Option<FilterPool> = Some(Arc::new(Mutex::new(BTreeMap::new())));169170	let frontier_backend = open_frontier_backend(config)?;171172	let import_queue = build_import_queue(173		client.clone(),174		config,175		telemetry.as_ref().map(|telemetry| telemetry.handle()),176		&task_manager,177	)?;178179	let params = PartialComponents {180		backend,181		client,182		import_queue,183		keystore_container,184		task_manager,185		transaction_pool,186		select_chain,187		other: (188			telemetry,189			pending_transactions,190			filter_pool,191			frontier_backend,192			telemetry_worker_handle,193		),194	};195196	Ok(params)197}198199/// Start a node with the given parachain `Configuration` and relay chain `Configuration`.200///201/// This is the actual implementation that is abstract over the executor and the runtime api.202#[sc_tracing::logging::prefix_logs_with("Parachain")]203async fn start_node_impl<BIQ, BIC>(204	parachain_config: Configuration,205	collator_key: CollatorPair,206	polkadot_config: Configuration,207	id: ParaId,208	build_import_queue: BIQ,209	build_consensus: BIC,210) -> sc_service::error::Result<(TaskManager, Arc<FullClient>)>211where212	sc_client_api::StateBackendFor<FullBackend, Block>: sp_api::StateBackend<BlakeTwo256>,213	Executor: sc_executor::NativeExecutionDispatch + 'static,214	BIQ: FnOnce(215		Arc<FullClient>,216		&Configuration,217		Option<TelemetryHandle>,218		&TaskManager,219	) -> Result<sp_consensus::DefaultImportQueue<Block, FullClient>, sc_service::Error>,220	BIC: FnOnce(221		Arc<FullClient>,222		Option<&Registry>,223		Option<TelemetryHandle>,224		&TaskManager,225		&polkadot_service::NewFull<polkadot_service::Client>,226		Arc<sc_transaction_pool::FullPool<Block, FullClient>>,227		Arc<NetworkService<Block, Hash>>,228		SyncCryptoStorePtr,229		bool,230	) -> Result<Box<dyn ParachainConsensus<Block>>, sc_service::Error>,231{232	if matches!(parachain_config.role, Role::Light) {233		return Err("Light client not supported!".into());234	}235236	let parachain_config = prepare_node_config(parachain_config);237238	let params = new_partial::<BIQ>(&parachain_config, build_import_queue)?;239	let (240		mut telemetry,241		pending_transactions,242		filter_pool,243		frontier_backend,244		telemetry_worker_handle,245	) = params.other;246247	let relay_chain_full_node = cumulus_client_service::build_polkadot_full_node(248		polkadot_config,249		collator_key.clone(),250		telemetry_worker_handle,251	)252	.map_err(|e| match e {253		polkadot_service::Error::Sub(x) => x,254		s => format!("{}", s).into(),255	})?;256257	let client = params.client.clone();258	let backend = params.backend.clone();259	let block_announce_validator = build_block_announce_validator(260		relay_chain_full_node.client.clone(),261		id,262		Box::new(relay_chain_full_node.network.clone()),263		relay_chain_full_node.backend.clone(),264	);265266	let force_authoring = parachain_config.force_authoring;267	let validator = parachain_config.role.is_authority();268	let prometheus_registry = parachain_config.prometheus_registry().cloned();269	let transaction_pool = params.transaction_pool.clone();270	let mut task_manager = params.task_manager;271	let import_queue = cumulus_client_service::SharedImportQueue::new(params.import_queue);272	let (network, network_status_sinks, system_rpc_tx, start_network) =273		sc_service::build_network(sc_service::BuildNetworkParams {274			config: &parachain_config,275			client: client.clone(),276			transaction_pool: transaction_pool.clone(),277			spawn_handle: task_manager.spawn_handle(),278			import_queue: import_queue.clone(),279			on_demand: None,280			block_announce_validator_builder: Some(Box::new(|_| block_announce_validator)),281		})?;282283	let subscription_executor = sc_rpc::SubscriptionTaskExecutor::new(task_manager.spawn_handle());284	let rpc_client = client.clone();285	let rpc_pool = transaction_pool.clone();286	let select_chain = params.select_chain.clone();287	let is_authority = parachain_config.role.clone().is_authority();288	let rpc_network = network.clone();289	let rpc_extensions_builder = Box::new(move |deny_unsafe, _| {290		let full_deps = nft_rpc::FullDeps {291			backend: frontier_backend.clone(),292			deny_unsafe,293			client: rpc_client.clone(),294			pool: rpc_pool.clone(),295			// TODO: Unhardcode296			enable_dev_signer: false,297			filter_pool: filter_pool.clone(),298			network: rpc_network.clone(),299			pending_transactions: pending_transactions.clone(),300			select_chain: select_chain.clone(),301			is_authority,302			// TODO: Unhardcode303			max_past_logs: 10000,304		};305306		nft_rpc::create_full::<_, _, _, RuntimeApi, _>(full_deps, subscription_executor.clone())307	});308309	sc_service::spawn_tasks(sc_service::SpawnTasksParams {310		on_demand: None,311		remote_blockchain: None,312		rpc_extensions_builder,313		client: client.clone(),314		transaction_pool: transaction_pool.clone(),315		task_manager: &mut task_manager,316		config: parachain_config,317		keystore: params.keystore_container.sync_keystore(),318		backend: backend.clone(),319		network: network.clone(),320		network_status_sinks,321		system_rpc_tx,322		telemetry: telemetry.as_mut(),323	})?;324325	let announce_block = {326		let network = network.clone();327		Arc::new(move |hash, data| network.announce_block(hash, data))328	};329330	if validator {331		let parachain_consensus = build_consensus(332			client.clone(),333			prometheus_registry.as_ref(),334			telemetry.as_ref().map(|t| t.handle()),335			&task_manager,336			&relay_chain_full_node,337			transaction_pool,338			network,339			params.keystore_container.sync_keystore(),340			force_authoring,341		)?;342343		let spawner = task_manager.spawn_handle();344345		let params = StartCollatorParams {346			para_id: id,347			block_status: client.clone(),348			announce_block,349			client: client.clone(),350			task_manager: &mut task_manager,351			collator_key,352			relay_chain_full_node,353			spawner,354			parachain_consensus,355			import_queue,356		};357358		start_collator(params).await?;359	} else {360		let params = StartFullNodeParams {361			client: client.clone(),362			announce_block,363			task_manager: &mut task_manager,364			para_id: id,365			relay_chain_full_node,366		};367368		start_full_node(params)?;369	}370371	start_network.start_network();372373	Ok((task_manager, client))374}375376/// Build the import queue for the the parachain runtime.377pub fn parachain_build_import_queue(378	client: Arc<FullClient>,379	config: &Configuration,380	telemetry: Option<TelemetryHandle>,381	task_manager: &TaskManager,382) -> Result<sp_consensus::DefaultImportQueue<Block, FullClient>, sc_service::Error> {383	let slot_duration = cumulus_client_consensus_aura::slot_duration(&*client)?;384385	cumulus_client_consensus_aura::import_queue::<386		sp_consensus_aura::sr25519::AuthorityPair,387		_,388		_,389		_,390		_,391		_,392		_,393	>(cumulus_client_consensus_aura::ImportQueueParams {394		block_import: client.clone(),395		client: client.clone(),396		create_inherent_data_providers: move |_, _| async move {397			let time = sp_timestamp::InherentDataProvider::from_system_time();398399			let slot =400				sp_consensus_aura::inherents::InherentDataProvider::from_timestamp_and_duration(401					*time,402					slot_duration.slot_duration(),403				);404405			Ok((time, slot))406		},407		registry: config.prometheus_registry(),408		can_author_with: sp_consensus::CanAuthorWithNativeVersion::new(client.executor().clone()),409		spawner: &task_manager.spawn_essential_handle(),410		telemetry,411	})412	.map_err(Into::into)413}414415/// Start a normal parachain node.416pub async fn start_node(417	parachain_config: Configuration,418	collator_key: CollatorPair,419	polkadot_config: Configuration,420	id: ParaId,421) -> sc_service::error::Result<(TaskManager, Arc<FullClient>)> {422	start_node_impl::<_, _>(423		parachain_config,424		collator_key,425		polkadot_config,426		id,427		parachain_build_import_queue,428		|client,429		 prometheus_registry,430		 telemetry,431		 task_manager,432		 relay_chain_node,433		 transaction_pool,434		 sync_oracle,435		 keystore,436		 force_authoring| {437			let slot_duration = cumulus_client_consensus_aura::slot_duration(&*client)?;438439			let proposer_factory = sc_basic_authorship::ProposerFactory::with_proof_recording(440				task_manager.spawn_handle(),441				client.clone(),442				transaction_pool,443				prometheus_registry,444				telemetry.clone(),445			);446447			let relay_chain_backend = relay_chain_node.backend.clone();448			let relay_chain_client = relay_chain_node.client.clone();449			Ok(build_aura_consensus::<450				sp_consensus_aura::sr25519::AuthorityPair,451				_,452				_,453				_,454				_,455				_,456				_,457				_,458				_,459				_,460			>(BuildAuraConsensusParams {461				proposer_factory,462				create_inherent_data_providers: move |_, (relay_parent, validation_data)| {463					let parachain_inherent =464					cumulus_primitives_parachain_inherent::ParachainInherentData::create_at_with_client(465						relay_parent,466						&relay_chain_client,467						&*relay_chain_backend,468						&validation_data,469						id,470					);471					async move {472						let time = sp_timestamp::InherentDataProvider::from_system_time();473474						let slot =475						sp_consensus_aura::inherents::InherentDataProvider::from_timestamp_and_duration(476							*time,477							slot_duration.slot_duration(),478						);479480						let parachain_inherent = parachain_inherent.ok_or_else(|| {481							Box::<dyn std::error::Error + Send + Sync>::from(482								"Failed to create parachain inherent",483							)484						})?;485						Ok((time, slot, parachain_inherent))486					}487				},488				block_import: client.clone(),489				relay_chain_client: relay_chain_node.client.clone(),490				relay_chain_backend: relay_chain_node.backend.clone(),491				para_client: client,492				backoff_authoring_blocks: Option::<()>::None,493				sync_oracle,494				keystore,495				force_authoring,496				slot_duration,497				// We got around 500ms for proposing498				block_proposal_slot_portion: SlotProportion::new(1f32 / 24f32),499				telemetry,500			}))501		},502	)503	.await504}
after · node/cli/src/service.rs
1//! Service and ServiceFactory implementation. Specialized wrapper over substrate service.23//4// This file is subject to the terms and conditions defined in5// file 'LICENSE', which is part of this source code package.6//78// std9use std::sync::Arc;10use std::sync::Mutex;11use std::collections::BTreeMap;12use std::collections::HashMap;1314// Local Runtime Types15use nft_runtime::RuntimeApi;1617// Cumulus Imports18use cumulus_client_consensus_aura::{build_aura_consensus, BuildAuraConsensusParams, SlotProportion};19use cumulus_client_consensus_common::ParachainConsensus;20use cumulus_client_network::build_block_announce_validator;21use cumulus_client_service::{22	prepare_node_config, start_collator, start_full_node, StartCollatorParams, StartFullNodeParams,23};24use cumulus_primitives_core::ParaId;2526// Polkadot Imports27use polkadot_primitives::v1::CollatorPair;2829// Substrate Imports30use sc_client_api::ExecutorProvider;31pub use sc_executor::NativeExecutor;32use sc_executor::native_executor_instance;33use sc_network::NetworkService;34use sc_service::{BasePath, Configuration, PartialComponents, Role, TaskManager};35use sc_telemetry::{Telemetry, TelemetryHandle, TelemetryWorker, TelemetryWorkerHandle};36use sp_consensus::SlotData;37use sp_keystore::SyncCryptoStorePtr;38use sp_runtime::traits::BlakeTwo256;39use substrate_prometheus_endpoint::Registry;4041// Frontier Imports42use fc_rpc_core::types::FilterPool;43use fc_rpc_core::types::PendingTransactions;4445// Runtime type overrides46type BlockNumber = u32;47type Header = sp_runtime::generic::Header<BlockNumber, sp_runtime::traits::BlakeTwo256>;48pub type Block = sp_runtime::generic::Block<Header, sp_runtime::OpaqueExtrinsic>;49type Hash = sp_core::H256;5051// Native executor instance.52native_executor_instance!(53	pub ParachainRuntimeExecutor,54	nft_runtime::api::dispatch,55	nft_runtime::native_version,56	frame_benchmarking::benchmarking::HostFunctions,57);5859pub fn open_frontier_backend(config: &Configuration) -> Result<Arc<fc_db::Backend<Block>>, String> {60	let config_dir = config61		.base_path62		.as_ref()63		.map(|base_path| base_path.config_dir(config.chain_spec.id()))64		.unwrap_or_else(|| {65			BasePath::from_project("", "", "nft").config_dir(config.chain_spec.id())66		});67	let database_dir = config_dir.join("frontier").join("db");6869	Ok(Arc::new(fc_db::Backend::<Block>::new(70		&fc_db::DatabaseSettings {71			source: fc_db::DatabaseSettingsSrc::RocksDb {72				path: database_dir,73				cache_size: 0,74			},75		},76	)?))77}7879type Executor = ParachainRuntimeExecutor;8081type FullClient = sc_service::TFullClient<Block, RuntimeApi, Executor>;82type FullBackend = sc_service::TFullBackend<Block>;83type FullSelectChain = sc_consensus::LongestChain<FullBackend, Block>;8485/// Starts a `ServiceBuilder` for a full service.86///87/// Use this macro if you don't actually need the full service, but just the builder in order to88/// be able to perform chain operations.89#[allow(clippy::type_complexity)]90pub fn new_partial<BIQ>(91	config: &Configuration,92	build_import_queue: BIQ,93) -> Result<94	PartialComponents<95		FullClient,96		FullBackend,97		FullSelectChain,98		sp_consensus::DefaultImportQueue<Block, FullClient>,99		sc_transaction_pool::FullPool<Block, FullClient>,100		(101			Option<Telemetry>,102			PendingTransactions,103			Option<FilterPool>,104			Arc<fc_db::Backend<Block>>,105			Option<TelemetryWorkerHandle>,106		),107	>,108	sc_service::Error,109>110where111	sc_client_api::StateBackendFor<FullBackend, Block>: sp_api::StateBackend<BlakeTwo256>,112	Executor: sc_executor::NativeExecutionDispatch + 'static,113	BIQ: FnOnce(114		Arc<FullClient>,115		&Configuration,116		Option<TelemetryHandle>,117		&TaskManager,118	) -> Result<sp_consensus::DefaultImportQueue<Block, FullClient>, sc_service::Error>,119{120	let _telemetry = config121		.telemetry_endpoints122		.clone()123		.filter(|x| !x.is_empty())124		.map(|endpoints| -> Result<_, sc_telemetry::Error> {125			let worker = TelemetryWorker::new(16)?;126			let telemetry = worker.handle().new_telemetry(endpoints);127			Ok((worker, telemetry))128		})129		.transpose()?;130131	let telemetry = config132		.telemetry_endpoints133		.clone()134		.filter(|x| !x.is_empty())135		.map(|endpoints| -> Result<_, sc_telemetry::Error> {136			let worker = TelemetryWorker::new(16)?;137			let telemetry = worker.handle().new_telemetry(endpoints);138			Ok((worker, telemetry))139		})140		.transpose()?;141142	let (client, backend, keystore_container, task_manager) =143		sc_service::new_full_parts::<Block, RuntimeApi, Executor>(144			config,145			telemetry.as_ref().map(|(_, telemetry)| telemetry.handle()),146		)?;147	let client = Arc::new(client);148149	let telemetry_worker_handle = telemetry.as_ref().map(|(worker, _)| worker.handle());150151	let telemetry = telemetry.map(|(worker, telemetry)| {152		task_manager.spawn_handle().spawn("telemetry", worker.run());153		telemetry154	});155156	let select_chain = sc_consensus::LongestChain::new(backend.clone());157158	let transaction_pool = sc_transaction_pool::BasicPool::new_full(159		config.transaction_pool.clone(),160		config.role.is_authority().into(),161		config.prometheus_registry(),162		task_manager.spawn_handle(),163		client.clone(),164	);165166	let pending_transactions: PendingTransactions = Some(Arc::new(Mutex::new(HashMap::new())));167168	let filter_pool: Option<FilterPool> = Some(Arc::new(Mutex::new(BTreeMap::new())));169170	let frontier_backend = open_frontier_backend(config)?;171172	let import_queue = build_import_queue(173		client.clone(),174		config,175		telemetry.as_ref().map(|telemetry| telemetry.handle()),176		&task_manager,177	)?;178179	let params = PartialComponents {180		backend,181		client,182		import_queue,183		keystore_container,184		task_manager,185		transaction_pool,186		select_chain,187		other: (188			telemetry,189			pending_transactions,190			filter_pool,191			frontier_backend,192			telemetry_worker_handle,193		),194	};195196	Ok(params)197}198199/// Start a node with the given parachain `Configuration` and relay chain `Configuration`.200///201/// This is the actual implementation that is abstract over the executor and the runtime api.202#[sc_tracing::logging::prefix_logs_with("Parachain")]203async fn start_node_impl<BIQ, BIC>(204	parachain_config: Configuration,205	collator_key: CollatorPair,206	polkadot_config: Configuration,207	id: ParaId,208	build_import_queue: BIQ,209	build_consensus: BIC,210) -> sc_service::error::Result<(TaskManager, Arc<FullClient>)>211where212	sc_client_api::StateBackendFor<FullBackend, Block>: sp_api::StateBackend<BlakeTwo256>,213	Executor: sc_executor::NativeExecutionDispatch + 'static,214	BIQ: FnOnce(215		Arc<FullClient>,216		&Configuration,217		Option<TelemetryHandle>,218		&TaskManager,219	) -> Result<sp_consensus::DefaultImportQueue<Block, FullClient>, sc_service::Error>,220	BIC: FnOnce(221		Arc<FullClient>,222		Option<&Registry>,223		Option<TelemetryHandle>,224		&TaskManager,225		&polkadot_service::NewFull<polkadot_service::Client>,226		Arc<sc_transaction_pool::FullPool<Block, FullClient>>,227		Arc<NetworkService<Block, Hash>>,228		SyncCryptoStorePtr,229		bool,230	) -> Result<Box<dyn ParachainConsensus<Block>>, sc_service::Error>,231{232	if matches!(parachain_config.role, Role::Light) {233		return Err("Light client not supported!".into());234	}235236	let parachain_config = prepare_node_config(parachain_config);237238	let params = new_partial::<BIQ>(&parachain_config, build_import_queue)?;239	let (240		mut telemetry,241		pending_transactions,242		filter_pool,243		frontier_backend,244		telemetry_worker_handle,245	) = params.other;246247	let relay_chain_full_node = cumulus_client_service::build_polkadot_full_node(248		polkadot_config,249		collator_key.clone(),250		telemetry_worker_handle,251	)252	.map_err(|e| match e {253		polkadot_service::Error::Sub(x) => x,254		s => format!("{}", s).into(),255	})?;256257	let client = params.client.clone();258	let backend = params.backend.clone();259	let block_announce_validator = build_block_announce_validator(260		relay_chain_full_node.client.clone(),261		id,262		Box::new(relay_chain_full_node.network.clone()),263		relay_chain_full_node.backend.clone(),264	);265266	let force_authoring = parachain_config.force_authoring;267	let validator = parachain_config.role.is_authority();268	let prometheus_registry = parachain_config.prometheus_registry().cloned();269	let transaction_pool = params.transaction_pool.clone();270	let mut task_manager = params.task_manager;271	let import_queue = cumulus_client_service::SharedImportQueue::new(params.import_queue);272	let (network, network_status_sinks, system_rpc_tx, start_network) =273		sc_service::build_network(sc_service::BuildNetworkParams {274			config: &parachain_config,275			client: client.clone(),276			transaction_pool: transaction_pool.clone(),277			spawn_handle: task_manager.spawn_handle(),278			import_queue: import_queue.clone(),279			on_demand: None,280			block_announce_validator_builder: Some(Box::new(|_| block_announce_validator)),281		})?;282283	let subscription_executor = sc_rpc::SubscriptionTaskExecutor::new(task_manager.spawn_handle());284	let rpc_client = client.clone();285	let rpc_pool = transaction_pool.clone();286	let select_chain = params.select_chain.clone();287	let is_authority = parachain_config.role.clone().is_authority();288	let rpc_network = network.clone();289	let rpc_extensions_builder = Box::new(move |deny_unsafe, _| {290		let full_deps = nft_rpc::FullDeps {291			backend: frontier_backend.clone(),292			deny_unsafe,293			client: rpc_client.clone(),294			pool: rpc_pool.clone(),295			// TODO: Unhardcode296			enable_dev_signer: false,297			filter_pool: filter_pool.clone(),298			network: rpc_network.clone(),299			pending_transactions: pending_transactions.clone(),300			select_chain: select_chain.clone(),301			is_authority,302			// TODO: Unhardcode303			max_past_logs: 10000,304		};305306		nft_rpc::create_full::<_, _, _, RuntimeApi, _>(full_deps, subscription_executor.clone())307	});308309	sc_service::spawn_tasks(sc_service::SpawnTasksParams {310		on_demand: None,311		remote_blockchain: None,312		rpc_extensions_builder,313		client: client.clone(),314		transaction_pool: transaction_pool.clone(),315		task_manager: &mut task_manager,316		config: parachain_config,317		keystore: params.keystore_container.sync_keystore(),318		backend: backend.clone(),319		network: network.clone(),320		network_status_sinks,321		system_rpc_tx,322		telemetry: telemetry.as_mut(),323	})?;324325	let announce_block = {326		let network = network.clone();327		Arc::new(move |hash, data| network.announce_block(hash, data))328	};329330	if validator {331		let parachain_consensus = build_consensus(332			client.clone(),333			prometheus_registry.as_ref(),334			telemetry.as_ref().map(|t| t.handle()),335			&task_manager,336			&relay_chain_full_node,337			transaction_pool,338			network,339			params.keystore_container.sync_keystore(),340			force_authoring,341		)?;342343		let spawner = task_manager.spawn_handle();344345		let params = StartCollatorParams {346			para_id: id,347			block_status: client.clone(),348			announce_block,349			client: client.clone(),350			task_manager: &mut task_manager,351			collator_key,352			relay_chain_full_node,353			spawner,354			parachain_consensus,355			import_queue,356		};357358		start_collator(params).await?;359	} else {360		let params = StartFullNodeParams {361			client: client.clone(),362			announce_block,363			task_manager: &mut task_manager,364			para_id: id,365			relay_chain_full_node,366		};367368		start_full_node(params)?;369	}370371	start_network.start_network();372373	Ok((task_manager, client))374}375376/// Build the import queue for the the parachain runtime.377pub fn parachain_build_import_queue(378	client: Arc<FullClient>,379	config: &Configuration,380	telemetry: Option<TelemetryHandle>,381	task_manager: &TaskManager,382) -> Result<sp_consensus::DefaultImportQueue<Block, FullClient>, sc_service::Error> {383	let slot_duration = cumulus_client_consensus_aura::slot_duration(&*client)?;384385	cumulus_client_consensus_aura::import_queue::<386		sp_consensus_aura::sr25519::AuthorityPair,387		_,388		_,389		_,390		_,391		_,392		_,393	>(cumulus_client_consensus_aura::ImportQueueParams {394		block_import: client.clone(),395		client: client.clone(),396		create_inherent_data_providers: move |_, _| async move {397			let time = sp_timestamp::InherentDataProvider::from_system_time();398399			let slot =400				sp_consensus_aura::inherents::InherentDataProvider::from_timestamp_and_duration(401					*time,402					slot_duration.slot_duration(),403				);404405			Ok((time, slot))406		},407		registry: config.prometheus_registry(),408		can_author_with: sp_consensus::CanAuthorWithNativeVersion::new(client.executor().clone()),409		spawner: &task_manager.spawn_essential_handle(),410		telemetry,411	})412	.map_err(Into::into)413}414415/// Start a normal parachain node.416pub async fn start_node(417	parachain_config: Configuration,418	collator_key: CollatorPair,419	polkadot_config: Configuration,420	id: ParaId,421) -> sc_service::error::Result<(TaskManager, Arc<FullClient>)> {422	start_node_impl::<_, _>(423		parachain_config,424		collator_key,425		polkadot_config,426		id,427		parachain_build_import_queue,428		|client,429		 prometheus_registry,430		 telemetry,431		 task_manager,432		 relay_chain_node,433		 transaction_pool,434		 sync_oracle,435		 keystore,436		 force_authoring| {437			let slot_duration = cumulus_client_consensus_aura::slot_duration(&*client)?;438439			let proposer_factory = sc_basic_authorship::ProposerFactory::with_proof_recording(440				task_manager.spawn_handle(),441				client.clone(),442				transaction_pool,443				prometheus_registry,444				telemetry.clone(),445			);446447			let relay_chain_backend = relay_chain_node.backend.clone();448			let relay_chain_client = relay_chain_node.client.clone();449			Ok(build_aura_consensus::<450				sp_consensus_aura::sr25519::AuthorityPair,451				_,452				_,453				_,454				_,455				_,456				_,457				_,458				_,459				_,460			>(BuildAuraConsensusParams {461				proposer_factory,462				create_inherent_data_providers: move |_, (relay_parent, validation_data)| {463					let parachain_inherent =464					cumulus_primitives_parachain_inherent::ParachainInherentData::create_at_with_client(465						relay_parent,466						&relay_chain_client,467						&*relay_chain_backend,468						&validation_data,469						id,470					);471					async move {472						let time = sp_timestamp::InherentDataProvider::from_system_time();473474						let slot =475						sp_consensus_aura::inherents::InherentDataProvider::from_timestamp_and_duration(476							*time,477							slot_duration.slot_duration(),478						);479480						let parachain_inherent = parachain_inherent.ok_or_else(|| {481							Box::<dyn std::error::Error + Send + Sync>::from(482								"Failed to create parachain inherent",483							)484						})?;485						Ok((time, slot, parachain_inherent))486					}487				},488				block_import: client.clone(),489				relay_chain_client: relay_chain_node.client.clone(),490				relay_chain_backend: relay_chain_node.backend.clone(),491				para_client: client,492				backoff_authoring_blocks: Option::<()>::None,493				sync_oracle,494				keystore,495				force_authoring,496				slot_duration,497				// We got around 500ms for proposing498				block_proposal_slot_portion: SlotProportion::new(1f32 / 24f32),499				telemetry,500			}))501		},502	)503	.await504}
modifiedpallets/contract-helpers/src/lib.rsdiffbeforeafterboth
--- a/pallets/contract-helpers/src/lib.rs
+++ b/pallets/contract-helpers/src/lib.rs
@@ -213,7 +213,7 @@
 					Ok(Some((who.clone(), *code_hash, salt.clone())))
 				}
 				Some(pallet_contracts::Call::instantiate_with_code(_, _, code, _, salt)) => {
-					let code_hash = &T::Hashing::hash(&code);
+					let code_hash = &T::Hashing::hash(code);
 					Ok(Some((who.clone(), *code_hash, salt.clone())))
 				}
 				_ => Ok(None),
modifiedpallets/nft/src/eth/erc_impl.rsdiffbeforeafterboth
--- a/pallets/nft/src/eth/erc_impl.rs
+++ b/pallets/nft/src/eth/erc_impl.rs
@@ -114,7 +114,7 @@
 		let to = T::CrossAccountId::from_eth(to);
 		let token_id = token_id.try_into().map_err(|_| "token_id overflow")?;
 
-		<Module<T>>::transfer_from_internal(&caller, &from, &to, &self, token_id, 1)
+		<Module<T>>::transfer_from_internal(&caller, &from, &to, self, token_id, 1)
 			.map_err(|_| "transferFrom error")?;
 		Ok(())
 	}
@@ -130,7 +130,7 @@
 		let approved = T::CrossAccountId::from_eth(approved);
 		let token_id = token_id.try_into().map_err(|_| "token_id overflow")?;
 
-		<Module<T>>::approve_internal(&caller, &approved, &self, token_id, 1)
+		<Module<T>>::approve_internal(&caller, &approved, self, token_id, 1)
 			.map_err(|_| "approve internal")?;
 		Ok(())
 	}
@@ -176,7 +176,7 @@
 		let to = T::CrossAccountId::from_eth(to);
 		let token_id = token_id.try_into().map_err(|_| "amount overflow")?;
 
-		<Module<T>>::transfer_internal(&caller, &to, &self, token_id, 1)
+		<Module<T>>::transfer_internal(&caller, &to, self, token_id, 1)
 			.map_err(|_| "transfer error")?;
 		Ok(())
 	}
@@ -226,7 +226,7 @@
 		let to = T::CrossAccountId::from_eth(to);
 		let amount = amount.try_into().map_err(|_| "amount overflow")?;
 
-		<Module<T>>::transfer_internal(&caller, &to, &self, 1, amount)
+		<Module<T>>::transfer_internal(&caller, &to, self, 1, amount)
 			.map_err(|_| "transfer error")?;
 		Ok(true)
 	}
@@ -242,7 +242,7 @@
 		let to = T::CrossAccountId::from_eth(to);
 		let amount = amount.try_into().map_err(|_| "amount overflow")?;
 
-		<Module<T>>::transfer_from_internal(&caller, &from, &to, &self, 1, amount)
+		<Module<T>>::transfer_from_internal(&caller, &from, &to, self, 1, amount)
 			.map_err(|_| "transferFrom error")?;
 		Ok(true)
 	}
@@ -251,7 +251,7 @@
 		let spender = T::CrossAccountId::from_eth(spender);
 		let amount = amount.try_into().map_err(|_| "amount overflow")?;
 
-		<Module<T>>::approve_internal(&caller, &spender, &self, 1, amount)
+		<Module<T>>::approve_internal(&caller, &spender, self, 1, amount)
 			.map_err(|_| "approve internal")?;
 		Ok(true)
 	}
modifiedpallets/nft/src/eth/mod.rsdiffbeforeafterboth
--- a/pallets/nft/src/eth/mod.rs
+++ b/pallets/nft/src/eth/mod.rs
@@ -108,7 +108,7 @@
 			.unwrap_or(false)
 	}
 	fn get_code(target: &H160) -> Option<Vec<u8>> {
-		map_eth_to_id(&target)
+		map_eth_to_id(target)
 			.and_then(<CollectionById<T>>::get)
 			.map(|collection| {
 				match collection.mode {
@@ -127,7 +127,7 @@
 		input: &[u8],
 		value: U256,
 	) -> Option<PrecompileOutput> {
-		let mut collection = map_eth_to_id(&target)
+		let mut collection = map_eth_to_id(target)
 			.and_then(|id| <CollectionHandle<T>>::get_with_gas_limit(id, gas_limit))?;
 		let (method_id, input) = AbiReader::new_call(input).unwrap();
 		let result = call_internal(&mut collection, *source, method_id, input, value);
modifiedpallets/nft/src/eth/sponsoring.rsdiffbeforeafterboth
--- a/pallets/nft/src/eth/sponsoring.rs
+++ b/pallets/nft/src/eth/sponsoring.rs
@@ -132,10 +132,10 @@
 	) -> Result<Self::LiquidityInfo, pallet_evm::Error<T>> {
 		let mut who_pays_fee = *who;
 		if let WithdrawReason::Call { target, input } = &reason {
-			if let Some(collection_id) = crate::eth::map_eth_to_id(&target) {
+			if let Some(collection_id) = crate::eth::map_eth_to_id(target) {
 				if let Some(collection) = <CollectionById<T>>::get(collection_id) {
 					if let Some(sponsor) = collection.sponsorship.sponsor() {
-						if try_sponsor(who, collection_id, &collection, &input).is_ok() {
+						if try_sponsor(who, collection_id, &collection, input).is_ok() {
 							who_pays_fee =
 								T::EvmBackwardsAddressMapping::from_account_id(sponsor.clone());
 						}
modifiedpallets/nft/src/lib.rsdiffbeforeafterboth
--- a/pallets/nft/src/lib.rs
+++ b/pallets/nft/src/lib.rs
@@ -1232,7 +1232,7 @@
 		) -> DispatchResult {
 			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
 			let mut target_collection = Self::get_collection(collection_id)?;
-			Self::check_owner_permissions(&target_collection, &sender.as_sub())?;
+			Self::check_owner_permissions(&target_collection, sender.as_sub())?;
 			let old_limits = &target_collection.limits;
 			let chain_limits = ChainLimit::get();
 
@@ -1267,9 +1267,9 @@
 		owner: &T::CrossAccountId,
 		data: CreateItemData,
 	) -> DispatchResult {
-		Self::can_create_items_in_collection(&collection, &sender, &owner, 1)?;
-		Self::validate_create_item_args(&collection, &data)?;
-		Self::create_item_no_validation(&collection, owner, data)?;
+		Self::can_create_items_in_collection(collection, sender, owner, 1)?;
+		Self::validate_create_item_args(collection, &data)?;
+		Self::create_item_no_validation(collection, owner, data)?;
 
 		Ok(())
 	}
@@ -1283,18 +1283,18 @@
 	) -> DispatchResult {
 		target_collection.consume_gas(2000000)?;
 		// Limits check
-		Self::is_correct_transfer(target_collection, &recipient)?;
+		Self::is_correct_transfer(target_collection, recipient)?;
 
 		// Transfer permissions check
 		ensure!(
-			Self::is_item_owner(&sender, target_collection, item_id)
-				|| Self::is_owner_or_admin_permissions(target_collection, &sender),
+			Self::is_item_owner(sender, target_collection, item_id)
+				|| Self::is_owner_or_admin_permissions(target_collection, sender),
 			Error::<T>::NoPermission
 		);
 
 		if target_collection.access == AccessMode::WhiteList {
-			Self::check_white_list(target_collection, &sender)?;
-			Self::check_white_list(target_collection, &recipient)?;
+			Self::check_white_list(target_collection, sender)?;
+			Self::check_white_list(target_collection, recipient)?;
 		}
 
 		match target_collection.mode {
@@ -1305,7 +1305,7 @@
 				recipient.clone(),
 			)?,
 			CollectionMode::Fungible(_) => {
-				Self::transfer_fungible(target_collection, value, &sender, &recipient)?
+				Self::transfer_fungible(target_collection, value, sender, recipient)?
 			}
 			CollectionMode::ReFungible => Self::transfer_refungible(
 				target_collection,
@@ -1336,23 +1336,23 @@
 		amount: u128,
 	) -> DispatchResult {
 		collection.consume_gas(2000000)?;
-		Self::token_exists(&collection, item_id)?;
+		Self::token_exists(collection, item_id)?;
 
 		// Transfer permissions check
 		let bypasses_limits = collection.limits.owner_can_transfer
-			&& Self::is_owner_or_admin_permissions(&collection, &sender);
+			&& Self::is_owner_or_admin_permissions(collection, sender);
 
 		let allowance_limit = if bypasses_limits {
 			None
-		} else if let Some(amount) = Self::owned_amount(&sender, &collection, item_id) {
+		} else if let Some(amount) = Self::owned_amount(sender, collection, item_id) {
 			Some(amount)
 		} else {
 			fail!(Error::<T>::NoPermission);
 		};
 
 		if collection.access == AccessMode::WhiteList {
-			Self::check_white_list(&collection, &sender)?;
-			Self::check_white_list(&collection, &spender)?;
+			Self::check_white_list(collection, sender)?;
+			Self::check_white_list(collection, spender)?;
 		}
 
 		let allowance: u128 = amount
@@ -1412,19 +1412,19 @@
 			<Allowances<T>>::get(collection.id, (item_id, from.as_sub(), sender.as_sub()));
 
 		// Limits check
-		Self::is_correct_transfer(&collection, &recipient)?;
+		Self::is_correct_transfer(collection, recipient)?;
 
 		// Transfer permissions check
 		ensure!(
 			approval >= amount
 				|| (collection.limits.owner_can_transfer
-					&& Self::is_owner_or_admin_permissions(&collection, &sender)),
+					&& Self::is_owner_or_admin_permissions(collection, sender)),
 			Error::<T>::NoPermission
 		);
 
 		if collection.access == AccessMode::WhiteList {
-			Self::check_white_list(&collection, &sender)?;
-			Self::check_white_list(&collection, &recipient)?;
+			Self::check_white_list(collection, sender)?;
+			Self::check_white_list(collection, recipient)?;
 		}
 
 		// Reduce approval by transferred amount or remove if remaining approval drops to 0
@@ -1441,13 +1441,13 @@
 
 		match collection.mode {
 			CollectionMode::NFT => {
-				Self::transfer_nft(&collection, item_id, from.clone(), recipient.clone())?
+				Self::transfer_nft(collection, item_id, from.clone(), recipient.clone())?
 			}
 			CollectionMode::Fungible(_) => {
-				Self::transfer_fungible(&collection, amount, &from, &recipient)?
+				Self::transfer_fungible(collection, amount, from, recipient)?
 			}
 			CollectionMode::ReFungible => Self::transfer_refungible(
-				&collection,
+				collection,
 				item_id,
 				amount,
 				from.clone(),
@@ -1473,7 +1473,7 @@
 		item_id: TokenId,
 		data: Vec<u8>,
 	) -> DispatchResult {
-		Self::token_exists(&collection, item_id)?;
+		Self::token_exists(collection, item_id)?;
 
 		ensure!(
 			ChainLimit::get().custom_data_limit >= data.len() as u32,
@@ -1482,15 +1482,15 @@
 
 		// Modify permissions check
 		ensure!(
-			Self::is_item_owner(&sender, &collection, item_id)
-				|| Self::is_owner_or_admin_permissions(&collection, &sender),
+			Self::is_item_owner(sender, collection, item_id)
+				|| Self::is_owner_or_admin_permissions(collection, sender),
 			Error::<T>::NoPermission
 		);
 
 		match collection.mode {
-			CollectionMode::NFT => Self::set_nft_variable_data(&collection, item_id, data)?,
+			CollectionMode::NFT => Self::set_nft_variable_data(collection, item_id, data)?,
 			CollectionMode::ReFungible => {
-				Self::set_re_fungible_variable_data(&collection, item_id, data)?
+				Self::set_re_fungible_variable_data(collection, item_id, data)?
 			}
 			CollectionMode::Fungible(_) => fail!(Error::<T>::CantStoreMetadataInFungibleTokens),
 			_ => fail!(Error::<T>::UnexpectedCollectionType),
@@ -1505,18 +1505,13 @@
 		owner: &T::CrossAccountId,
 		items_data: Vec<CreateItemData>,
 	) -> DispatchResult {
-		Self::can_create_items_in_collection(
-			&collection,
-			&sender,
-			&owner,
-			items_data.len() as u32,
-		)?;
+		Self::can_create_items_in_collection(collection, sender, owner, items_data.len() as u32)?;
 
 		for data in &items_data {
-			Self::validate_create_item_args(&collection, data)?;
+			Self::validate_create_item_args(collection, data)?;
 		}
 		for data in &items_data {
-			Self::create_item_no_validation(&collection, owner, data.clone())?;
+			Self::create_item_no_validation(collection, owner, data.clone())?;
 		}
 
 		Ok(())
@@ -1529,22 +1524,20 @@
 		value: u128,
 	) -> DispatchResult {
 		ensure!(
-			Self::is_item_owner(&sender, &collection, item_id)
+			Self::is_item_owner(sender, collection, item_id)
 				|| (collection.limits.owner_can_transfer
-					&& Self::is_owner_or_admin_permissions(&collection, &sender)),
+					&& Self::is_owner_or_admin_permissions(collection, sender)),
 			Error::<T>::NoPermission
 		);
 
 		if collection.access == AccessMode::WhiteList {
-			Self::check_white_list(&collection, &sender)?;
+			Self::check_white_list(collection, sender)?;
 		}
 
 		match collection.mode {
-			CollectionMode::NFT => Self::burn_nft_item(&collection, item_id)?,
-			CollectionMode::Fungible(_) => Self::burn_fungible_item(&sender, &collection, value)?,
-			CollectionMode::ReFungible => {
-				Self::burn_refungible_item(&collection, item_id, &sender)?
-			}
+			CollectionMode::NFT => Self::burn_nft_item(collection, item_id)?,
+			CollectionMode::Fungible(_) => Self::burn_fungible_item(sender, collection, value)?,
+			CollectionMode::ReFungible => Self::burn_refungible_item(collection, item_id, sender)?,
 			_ => (),
 		};
 
@@ -1557,7 +1550,7 @@
 		address: &T::CrossAccountId,
 		whitelisted: bool,
 	) -> DispatchResult {
-		Self::check_owner_or_admin_permissions(&collection, &sender)?;
+		Self::check_owner_or_admin_permissions(collection, sender)?;
 
 		if whitelisted {
 			<WhiteList<T>>::insert(collection.id, address.as_sub(), true);
@@ -1610,7 +1603,7 @@
 			Error::<T>::AccountTokenLimitExceeded
 		);
 
-		if !Self::is_owner_or_admin_permissions(collection, &sender) {
+		if !Self::is_owner_or_admin_permissions(collection, sender) {
 			ensure!(collection.mint_mode, Error::<T>::PublicMintingNotAllowed);
 			Self::check_white_list(collection, owner)?;
 			Self::check_white_list(collection, sender)?;
@@ -1691,7 +1684,7 @@
 				Self::add_nft_item(collection, item)?;
 			}
 			CreateItemData::Fungible(data) => {
-				Self::add_fungible_item(collection, &owner, data.value)?;
+				Self::add_fungible_item(collection, owner, data.value)?;
 			}
 			CreateItemData::ReFungible(data) => {
 				let owner_list = vec![Ownership {
@@ -1934,7 +1927,7 @@
 		subject: &T::CrossAccountId,
 	) -> bool {
 		*subject.as_sub() == collection.owner
-			|| <AdminList<T>>::get(collection.id).contains(&subject)
+			|| <AdminList<T>>::get(collection.id).contains(subject)
 	}
 
 	fn check_owner_or_admin_permissions(
@@ -1979,7 +1972,7 @@
 	) -> bool {
 		match target_collection.mode {
 			CollectionMode::Fungible(_) => true,
-			_ => Self::owned_amount(&subject, target_collection, item_id).is_some(),
+			_ => Self::owned_amount(subject, target_collection, item_id).is_some(),
 		}
 	}
 
modifiedpallets/nft/src/sponsorship.rsdiffbeforeafterboth
--- a/pallets/nft/src/sponsorship.rs
+++ b/pallets/nft/src/sponsorship.rs
@@ -179,14 +179,14 @@
 {
 	fn get_sponsor(who: &T::AccountId, call: &C) -> Option<T::AccountId> {
 		match IsSubType::<Call<T>>::is_sub_type(call)? {
-			Call::create_item(collection_id, _owner, _properties) => {
-				Self::withdraw_create_item(who, collection_id, &_properties)
+			Call::create_item(collection_id, _owner, properties) => {
+				Self::withdraw_create_item(who, collection_id, properties)
 			}
 			Call::transfer(_new_owner, collection_id, item_id, _value) => {
 				Self::withdraw_transfer(who, collection_id, item_id)
 			}
 			Call::set_variable_meta_data(collection_id, item_id, data) => {
-				Self::withdraw_set_variable_meta_data(collection_id, item_id, &data)
+				Self::withdraw_set_variable_meta_data(collection_id, item_id, data)
 			}
 			_ => None,
 		}