Typo + some clippy stuff (unnecessary clone/to_string/refs) + fmt (#1437)

cumulus/polkadot-parachain/src/command.rs

@@ -247,8 +247,7 @@ impl SubstrateCli for RelayChainCli {
 	}
 
 	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 {
@@ -405,9 +404,7 @@ pub fn run() -> Result<()> {
 			runner.sync_run(|config| {
 				let polkadot_cli = RelayChainCli::new(
 					&config,
-					[RelayChainCli::executable_name().to_string()]
-						.iter()
-						.chain(cli.relaychain_args.iter()),
+					[RelayChainCli::executable_name()].iter().chain(cli.relaychain_args.iter()),
 				);
 
 				let polkadot_config = SubstrateCli::create_configuration(
@@ -520,9 +517,7 @@ pub fn run() -> Result<()> {
 
 				let polkadot_cli = RelayChainCli::new(
 					&config,
-					[RelayChainCli::executable_name().to_string()]
-						.iter()
-						.chain(cli.relaychain_args.iter()),
+					[RelayChainCli::executable_name()].iter().chain(cli.relaychain_args.iter()),
 				);
 
 				let id = ParaId::from(para_id);

cumulus/polkadot-parachain/src/rpc.rs

@@ -65,7 +65,7 @@ where
 	let FullDeps { client, pool, deny_unsafe } = deps;
 
 	module.merge(System::new(client.clone(), pool, deny_unsafe).into_rpc())?;
-	module.merge(TransactionPayment::new(client.clone()).into_rpc())?;
+	module.merge(TransactionPayment::new(client).into_rpc())?;
 
 	Ok(module)
 }

cumulus/polkadot-parachain/src/service.rs

@@ -245,7 +245,7 @@ where
 
 	let (client, backend, keystore_container, task_manager) =
 		sc_service::new_full_parts::<Block, RuntimeApi, _>(
-			&config,
+			config,
 			telemetry.as_ref().map(|(_, telemetry)| telemetry.handle()),
 			executor,
 		)?;
@@ -748,7 +748,7 @@ pub fn rococo_parachain_build_import_queue(
 		_,
 	>(cumulus_client_consensus_aura::ImportQueueParams {
 		block_import: client.clone(),
-		client: client.clone(),
+		client,
 		create_inherent_data_providers: move |_, _| async move {
 			let timestamp = sp_timestamp::InherentDataProvider::from_system_time();
 
@@ -760,7 +760,7 @@ pub fn rococo_parachain_build_import_queue(
 
 			Ok((timestamp, slot))
 		},
-		registry: config.prometheus_registry().clone(),
+		registry: config.prometheus_registry(),
 		can_author_with: sp_consensus::AlwaysCanAuthor,
 		spawner: &task_manager.spawn_essential_handle(),
 		telemetry,
@@ -801,7 +801,7 @@ pub async fn start_rococo_parachain_node(
 				task_manager.spawn_handle(),
 				client.clone(),
 				transaction_pool,
-				prometheus_registry.clone(),
+				prometheus_registry,
 				telemetry.clone(),
 			);
 
@@ -838,7 +838,7 @@ pub async fn start_rococo_parachain_node(
 						}
 					},
 					block_import: client.clone(),
-					para_client: client.clone(),
+					para_client: client,
 					backoff_authoring_blocks: Option::<()>::None,
 					sync_oracle,
 					keystore,
@@ -890,7 +890,7 @@ where
 		client,
 		|_, _| async { Ok(()) },
 		&task_manager.spawn_essential_handle(),
-		config.prometheus_registry().clone(),
+		config.prometheus_registry(),
 	)
 	.map_err(Into::into)
 }
@@ -942,15 +942,15 @@ where
 				task_manager.spawn_handle(),
 				client.clone(),
 				transaction_pool,
-				prometheus_registry.clone(),
-				telemetry.clone(),
+				prometheus_registry,
+				telemetry,
 			);
 
 			Ok(cumulus_client_consensus_relay_chain::build_relay_chain_consensus(
 				cumulus_client_consensus_relay_chain::BuildRelayChainConsensusParams {
 					para_id: id,
 					proposer_factory,
-					block_import: client.clone(),
+					block_import: client,
 					relay_chain_interface: relay_chain_interface.clone(),
 					create_inherent_data_providers: move |_, (relay_parent, validation_data)| {
 						let relay_chain_interface = relay_chain_interface.clone();
@@ -1153,12 +1153,12 @@ where
 		_phantom: PhantomData,
 	};
 
-	let registry = config.prometheus_registry().clone();
+	let registry = config.prometheus_registry();
 	let spawner = task_manager.spawn_essential_handle();
 
 	Ok(BasicQueue::new(
 		verifier,
-		Box::new(ParachainBlockImport::new(client.clone())),
+		Box::new(ParachainBlockImport::new(client)),
 		None,
 		&spawner,
 		registry,
@@ -1286,8 +1286,8 @@ where
 				task_manager.spawn_handle(),
 				client.clone(),
 				transaction_pool,
-				prometheus_registry.clone(),
-				telemetry.clone(),
+				prometheus_registry,
+				telemetry,
 			);
 
 			let relay_chain_consensus =
@@ -1321,7 +1321,7 @@ where
 				);
 
 			let parachain_consensus = Box::new(WaitForAuraConsensus {
-				client: client.clone(),
+				client,
 				aura_consensus: Arc::new(Mutex::new(aura_consensus)),
 				relay_chain_consensus: Arc::new(Mutex::new(relay_chain_consensus)),
 				_phantom: PhantomData,
@@ -1572,7 +1572,7 @@ pub fn contracts_rococo_build_import_queue(
 		_,
 	>(cumulus_client_consensus_aura::ImportQueueParams {
 		block_import: client.clone(),
-		client: client.clone(),
+		client,
 		create_inherent_data_providers: move |_, _| async move {
 			let timestamp = sp_timestamp::InherentDataProvider::from_system_time();