ci: add quick-check with rustfmt (#615)

* ci: add quick-check with clippy and rustfmt

* chore: rustfmt round

* chore: set the same rustfmt config than substrate

* chore: fix formatting

* cI: remove clippy

* ci: switch to nightly for the checks

* ci: fix toolchains and naming

* ci: Limit the check to formatting

* chore: fix formatting

* Update .rustfmt.toml

* Update .rustfmt.toml

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

.github/workflows/quick-check.yml

@@ -0,0 +1,40 @@
+name: Quick check Formatting
+
+on:
+  push:
+    branches:
+      - "*"
+  pull_request:
+    types: [opened, synchronize, reopened, ready_for_review]
+
+jobs:
+  quick_check:
+    strategy:
+      matrix:
+        os: ["ubuntu-latest"]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Install Rust nightly toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: nightly
+          override: true
+          components: clippy, rustfmt
+
+      - name: Cache Dependencies & Build Outputs
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+            target
+          key: ${{ runner.os }}-${{ matrix.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+
+      - uses: actions/checkout@v2
+
+      - name: Cargo fmt
+        uses: actions-rs/cargo@v1
+        with:
+          command: fmt
+          args: --all -- --check

.rustfmt.toml

@@ -1,2 +1,23 @@
-hard_tabs=true
-merge_imports=true
+# Basic
+hard_tabs = true
+max_width = 100
+use_small_heuristics = "Max"
+
+# Imports
+imports_granularity = "Crate"
+reorder_imports = true
+
+# Consistency
+newline_style = "Unix"
+
+# Misc
+binop_separator = "Back"
+chain_width = 80
+match_arm_blocks = false
+match_arm_leading_pipes = "Preserve"
+match_block_trailing_comma = true
+reorder_impl_items = false
+spaces_around_ranges = false
+trailing_comma = "Vertical"
+trailing_semicolon = false
+use_field_init_shorthand = true

client/cli/src/lib.rs

@@ -54,10 +54,8 @@ impl PurgeChainCmd {
 		relay_config: sc_service::Configuration,
 	) -> sc_cli::Result<()> {
 		let databases = match (self.parachain, self.relaychain) {
-			(true, true) | (false, false) => vec![
-				("parachain", para_config.database),
-				("relaychain", relay_config.database),
-			],
+			(true, true) | (false, false) =>
+				vec![("parachain", para_config.database), ("relaychain", relay_config.database)],
 			(true, false) => vec![("parachain", para_config.database)],
 			(false, true) => vec![("relaychain", relay_config.database)],
 		};
@@ -86,11 +84,11 @@ impl PurgeChainCmd {
 			let input = input.trim();
 
 			match input.chars().nth(0) {
-				Some('y') | Some('Y') => {}
+				Some('y') | Some('Y') => {},
 				_ => {
 					println!("Aborted");
-					return Ok(());
-				}
+					return Ok(())
+				},
 			}
 		}
 
@@ -98,10 +96,10 @@ impl PurgeChainCmd {
 			match fs::remove_dir_all(&db_path) {
 				Ok(_) => {
 					println!("{:?} removed.", &db_path);
-				}
+				},
 				Err(ref err) if err.kind() == io::ErrorKind::NotFound => {
 					eprintln!("{:?} did not exist.", &db_path);
-				}
+				},
 				Err(err) => return Err(err.into()),
 			}
 		}
@@ -155,10 +153,7 @@ impl RunCmd {
 
 		new_base.validator = self.base.validator || self.collator;
 
-		NormalizedRunCmd {
-			base: new_base,
-			parachain_id: self.parachain_id,
-		}
+		NormalizedRunCmd { base: new_base, parachain_id: self.parachain_id }
 	}
 }
 

client/collator/src/lib.rs

@@ -81,12 +81,7 @@ where
 	) -> Self {
 		let wait_to_announce = Arc::new(Mutex::new(WaitToAnnounce::new(spawner, announce_block)));
 
-		Self {
-			block_status,
-			wait_to_announce,
-			runtime_api,
-			parachain_consensus,
-		}
+		Self { block_status, wait_to_announce, runtime_api, parachain_consensus }
 	}
 
 	/// Checks the status of the given block hash in the Parachain.
@@ -101,7 +96,7 @@ where
 					"Skipping candidate production, because block is still queued for import.",
 				);
 				false
-			}
+			},
 			Ok(BlockStatus::InChainWithState) => true,
 			Ok(BlockStatus::InChainPruned) => {
 				tracing::error!(
@@ -110,7 +105,7 @@ where
 					hash,
 				);
 				false
-			}
+			},
 			Ok(BlockStatus::KnownBad) => {
 				tracing::error!(
 					target: LOG_TARGET,
@@ -118,7 +113,7 @@ where
 					"Block is tagged as known bad and is included in the relay chain! Skipping candidate production!",
 				);
 				false
-			}
+			},
 			Ok(BlockStatus::Unknown) => {
 				if header.number().is_zero() {
 					tracing::error!(
@@ -134,7 +129,7 @@ where
 					);
 				}
 				false
-			}
+			},
 			Err(e) => {
 				tracing::error!(
 					target: LOG_TARGET,
@@ -143,7 +138,7 @@ where
 					"Failed to get block status.",
 				);
 				false
-			}
+			},
 		}
 	}
 
@@ -168,8 +163,8 @@ where
 					error = ?e,
 					"Failed to collect collation info.",
 				);
-				return None;
-			}
+				return None
+			},
 		};
 
 		Some(Collation {
@@ -202,13 +197,13 @@ where
 					error = ?e,
 					"Could not decode the head data."
 				);
-				return None;
-			}
+				return None
+			},
 		};
 
 		let last_head_hash = last_head.hash();
 		if !self.check_block_status(last_head_hash, &last_head) {
-			return None;
+			return None
 		}
 
 		tracing::info!(
@@ -232,8 +227,8 @@ where
 			Ok(proof) => proof,
 			Err(e) => {
 				tracing::error!(target: "cumulus-collator", "Failed to compact proof: {:?}", e);
-				return None;
-			}
+				return None
+			},
 		};
 
 		// Create the parachain block data for the validators.
@@ -252,20 +247,11 @@ where
 
 		let (result_sender, signed_stmt_recv) = oneshot::channel();
 
-		self.wait_to_announce
-			.lock()
-			.wait_to_announce(block_hash, signed_stmt_recv);
+		self.wait_to_announce.lock().wait_to_announce(block_hash, signed_stmt_recv);
 
-		tracing::info!(
-			target: LOG_TARGET,
-			?block_hash,
-			"Produced proof-of-validity candidate.",
-		);
+		tracing::info!(target: LOG_TARGET, ?block_hash, "Produced proof-of-validity candidate.",);
 
-		Some(CollationResult {
-			collation,
-			result_sender: Some(result_sender),
-		})
+		Some(CollationResult { collation, result_sender: Some(result_sender) })
 	}
 }
 
@@ -322,10 +308,7 @@ pub async fn start_collator<Block, RA, BS, Spawner>(
 	};
 
 	overseer_handle
-		.send_msg(
-			CollationGenerationMessage::Initialize(config),
-			"StartCollator",
-		)
+		.send_msg(CollationGenerationMessage::Initialize(config), "StartCollator")
 		.await;
 
 	overseer_handle
@@ -384,10 +367,7 @@ mod tests {
 				.await
 				.expect("Imports the block");
 
-			Some(ParachainCandidate {
-				block,
-				proof: proof.expect("Proof is returned"),
-			})
+			Some(ParachainCandidate { block, proof: proof.expect("Proof is returned") })
 		}
 	}
 
@@ -424,9 +404,7 @@ mod tests {
 			spawner,
 			para_id,
 			key: CollatorPair::generate().0,
-			parachain_consensus: Box::new(DummyParachainConsensus {
-				client: client.clone(),
-			}),
+			parachain_consensus: Box::new(DummyParachainConsensus { client: client.clone() }),
 		});
 		block_on(collator_start);
 

client/consensus/aura/src/lib.rs

@@ -215,9 +215,8 @@ where
 		relay_parent: PHash,
 		validation_data: &PersistedValidationData,
 	) -> Option<ParachainCandidate<B>> {
-		let (inherent_data, inherent_data_providers) = self
-			.inherent_data(parent.hash(), validation_data, relay_parent)
-			.await?;
+		let (inherent_data, inherent_data_providers) =
+			self.inherent_data(parent.hash(), validation_data, relay_parent).await?;
 
 		let info = SlotInfo::new(
 			inherent_data_providers.slot(),
@@ -234,10 +233,7 @@ where
 
 		let res = self.aura_worker.lock().await.on_slot(info).await?;
 
-		Some(ParachainCandidate {
-			block: res.block,
-			proof: res.storage_proof,
-		})
+		Some(ParachainCandidate { block: res.block, proof: res.storage_proof })
 	}
 }
 

client/consensus/common/src/lib.rs

@@ -65,9 +65,7 @@ impl<B: BlockT> ParachainConsensus<B> for Box<dyn ParachainConsensus<B> + Send +
 		relay_parent: PHash,
 		validation_data: &PersistedValidationData,
 	) -> Option<ParachainCandidate<B>> {
-		(*self)
-			.produce_candidate(parent, relay_parent, validation_data)
-			.await
+		(*self).produce_candidate(parent, relay_parent, validation_data).await
 	}
 }
 

client/consensus/common/src/parachain_consensus.rs

@@ -75,7 +75,7 @@ where
 			h
 		} else {
 			tracing::debug!(target: "cumulus-consensus", "Stopping following finalized head.");
-			return;
+			return
 		};
 
 		let header = match Block::Header::decode(&mut &finalized_head[..]) {
@@ -86,8 +86,8 @@ where
 					error = ?err,
 					"Could not decode parachain header while following finalized heads.",
 				);
-				continue;
-			}
+				continue
+			},
 		};
 
 		let hash = header.hash();
@@ -140,12 +140,8 @@ pub async fn run_parachain_consensus<P, R, Block, B>(
 	R: RelaychainClient,
 	B: Backend<Block>,
 {
-	let follow_new_best = follow_new_best(
-		para_id,
-		parachain.clone(),
-		relay_chain.clone(),
-		announce_block,
-	);
+	let follow_new_best =
+		follow_new_best(para_id, parachain.clone(), relay_chain.clone(), announce_block);
 	let follow_finalized_head = follow_finalized_head(para_id, parachain, relay_chain);
 	select! {
 		_ = follow_new_best.fuse() => {},
@@ -242,12 +238,12 @@ async fn handle_new_block_imported<Block, P>(
 	};
 
 	let unset_hash = if notification.header.number() < unset_best_header.number() {
-		return;
+		return
 	} else if notification.header.number() == unset_best_header.number() {
 		let unset_hash = unset_best_header.hash();
 
 		if unset_hash != notification.hash {
-			return;
+			return
 		} else {
 			unset_hash
 		}
@@ -263,7 +259,7 @@ async fn handle_new_block_imported<Block, P>(
 				.expect("We checked above that the value is set; qed");
 
 			import_block_as_new_best(unset_hash, unset_best_header, parachain).await;
-		}
+		},
 		state => tracing::debug!(
 			target: "cumulus-consensus",
 			?unset_best_header,
@@ -292,8 +288,8 @@ async fn handle_new_best_parachain_head<Block, P>(
 				error = ?err,
 				"Could not decode Parachain header while following best heads.",
 			);
-			return;
-		}
+			return
+		},
 	};
 
 	let hash = parachain_head.hash();
@@ -311,14 +307,14 @@ async fn handle_new_best_parachain_head<Block, P>(
 				unset_best_header.take();
 
 				import_block_as_new_best(hash, parachain_head, parachain).await;
-			}
+			},
 			Ok(BlockStatus::InChainPruned) => {
 				tracing::error!(
 					target: "cumulus-collator",
 					block_hash = ?hash,
 					"Trying to set pruned block as new best!",
 				);
-			}
+			},
 			Ok(BlockStatus::Unknown) => {
 				*unset_best_header = Some(parachain_head);
 
@@ -327,7 +323,7 @@ async fn handle_new_best_parachain_head<Block, P>(
 					block_hash = ?hash,
 					"Parachain block not yet imported, waiting for import to enact as best block.",
 				);
-			}
+			},
 			Err(e) => {
 				tracing::error!(
 					target: "cumulus-collator",
@@ -335,8 +331,8 @@ async fn handle_new_best_parachain_head<Block, P>(
 					error = ?e,
 					"Failed to get block status of block.",
 				);
-			}
-			_ => {}
+			},
+			_ => {},
 		}
 	}
 }
@@ -356,7 +352,7 @@ where
 			"Skipping importing block as new best block, because there already exists a \
 			 best block with an higher number",
 		);
-		return;
+		return
 	}
 
 	// Make it the new best block
@@ -364,10 +360,7 @@ where
 	block_import_params.fork_choice = Some(ForkChoiceStrategy::Custom(true));
 	block_import_params.import_existing = true;
 
-	if let Err(err) = (&*parachain)
-		.import_block(block_import_params, Default::default())
-		.await
-	{
+	if let Err(err) = (&*parachain).import_block(block_import_params, Default::default()).await {
 		tracing::warn!(
 			target: "cumulus-consensus",
 			block_hash = ?hash,
@@ -392,10 +385,7 @@ where
 		self.import_notification_stream()
 			.filter_map(move |n| {
 				future::ready(if n.is_new_best {
-					relay_chain
-						.parachain_head_at(&BlockId::hash(n.hash), para_id)
-						.ok()
-						.flatten()
+					relay_chain.parachain_head_at(&BlockId::hash(n.hash), para_id).ok().flatten()
 				} else {
 					None
 				})
@@ -409,10 +399,7 @@ where
 		self.finality_notification_stream()
 			.filter_map(move |n| {
 				future::ready(
-					relay_chain
-						.parachain_head_at(&BlockId::hash(n.hash), para_id)
-						.ok()
-						.flatten(),
+					relay_chain.parachain_head_at(&BlockId::hash(n.hash), para_id).ok().flatten(),
 				)
 			})
 			.boxed()

client/consensus/common/src/tests.rs

@@ -62,9 +62,7 @@ struct Relaychain {
 
 impl Relaychain {
 	fn new() -> Self {
-		Self {
-			inner: Arc::new(Mutex::new(RelaychainInner::new())),
-		}
+		Self { inner: Arc::new(Mutex::new(RelaychainInner::new())) }
 	}
 }
 
@@ -125,24 +123,17 @@ fn follow_new_best_works() {
 
 	let block = build_and_import_block(client.clone(), false);
 	let relay_chain = Relaychain::new();
-	let new_best_heads_sender = relay_chain
-		.inner
-		.lock()
-		.unwrap()
-		.new_best_heads_sender
-		.clone();
+	let new_best_heads_sender = relay_chain.inner.lock().unwrap().new_best_heads_sender.clone();
 
 	let consensus =
 		run_parachain_consensus(100.into(), client.clone(), relay_chain, Arc::new(|_, _| {}));
 
 	let work = async move {
-		new_best_heads_sender
-			.unbounded_send(block.header().clone())
-			.unwrap();
+		new_best_heads_sender.unbounded_send(block.header().clone()).unwrap();
 		loop {
 			Delay::new(Duration::from_millis(100)).await;
 			if block.hash() == client.usage_info().chain.best_hash {
-				break;
+				break
 			}
 		}
 	};
@@ -166,24 +157,17 @@ fn follow_finalized_works() {
 
 	let block = build_and_import_block(client.clone(), false);
 	let relay_chain = Relaychain::new();
-	let finalized_sender = relay_chain
-		.inner
-		.lock()
-		.unwrap()
-		.finalized_heads_sender
-		.clone();
+	let finalized_sender = relay_chain.inner.lock().unwrap().finalized_heads_sender.clone();
 
 	let consensus =
 		run_parachain_consensus(100.into(), client.clone(), relay_chain, Arc::new(|_, _| {}));
 
 	let work = async move {
-		finalized_sender
-			.unbounded_send(block.header().clone())
-			.unwrap();
+		finalized_sender.unbounded_send(block.header().clone()).unwrap();
 		loop {
 			Delay::new(Duration::from_millis(100)).await;
 			if block.hash() == client.usage_info().chain.finalized_hash {
-				break;
+				break
 			}
 		}
 	};
@@ -214,32 +198,23 @@ fn follow_finalized_does_not_stop_on_unknown_block() {
 	};
 
 	let relay_chain = Relaychain::new();
-	let finalized_sender = relay_chain
-		.inner
-		.lock()
-		.unwrap()
-		.finalized_heads_sender
-		.clone();
+	let finalized_sender = relay_chain.inner.lock().unwrap().finalized_heads_sender.clone();
 
 	let consensus =
 		run_parachain_consensus(100.into(), client.clone(), relay_chain, Arc::new(|_, _| {}));
 
 	let work = async move {
 		for _ in 0..3usize {
-			finalized_sender
-				.unbounded_send(unknown_block.header().clone())
-				.unwrap();
+			finalized_sender.unbounded_send(unknown_block.header().clone()).unwrap();
 
 			Delay::new(Duration::from_millis(100)).await;
 		}
 
-		finalized_sender
-			.unbounded_send(block.header().clone())
-			.unwrap();
+		finalized_sender.unbounded_send(block.header().clone()).unwrap();
 		loop {
 			Delay::new(Duration::from_millis(100)).await;
 			if block.hash() == client.usage_info().chain.finalized_hash {
-				break;
+				break
 			}
 		}
 	};
@@ -273,32 +248,23 @@ fn follow_new_best_sets_best_after_it_is_imported() {
 	};
 
 	let relay_chain = Relaychain::new();
-	let new_best_heads_sender = relay_chain
-		.inner
-		.lock()
-		.unwrap()
-		.new_best_heads_sender
-		.clone();
+	let new_best_heads_sender = relay_chain.inner.lock().unwrap().new_best_heads_sender.clone();
 
 	let consensus =
 		run_parachain_consensus(100.into(), client.clone(), relay_chain, Arc::new(|_, _| {}));
 
 	let work = async move {
-		new_best_heads_sender
-			.unbounded_send(block.header().clone())
-			.unwrap();
+		new_best_heads_sender.unbounded_send(block.header().clone()).unwrap();
 
 		loop {
 			Delay::new(Duration::from_millis(100)).await;
 			if block.hash() == client.usage_info().chain.best_hash {
-				break;
+				break
 			}
 		}
 
 		// Announce the unknown block
-		new_best_heads_sender
-			.unbounded_send(unknown_block.header().clone())
-			.unwrap();
+		new_best_heads_sender.unbounded_send(unknown_block.header().clone()).unwrap();
 
 		// Do some iterations. As this is a local task executor, only one task can run at a time.
 		// Meaning that it should already have processed the unknown block.
@@ -313,15 +279,12 @@ fn follow_new_best_sets_best_after_it_is_imported() {
 		block_import_params.body = Some(body);
 
 		// Now import the unkown block to make it "known"
-		client
-			.import_block(block_import_params, Default::default())
-			.await
-			.unwrap();
+		client.import_block(block_import_params, Default::default()).await.unwrap();
 
 		loop {
 			Delay::new(Duration::from_millis(100)).await;
 			if unknown_block.hash() == client.usage_info().chain.best_hash {
-				break;
+				break
 			}
 		}
 	};
@@ -362,12 +325,7 @@ fn do_not_set_best_block_to_older_block() {
 	assert_eq!(NUM_BLOCKS as u32, client.usage_info().chain.best_number);
 
 	let relay_chain = Relaychain::new();
-	let new_best_heads_sender = relay_chain
-		.inner
-		.lock()
-		.unwrap()
-		.new_best_heads_sender
-		.clone();
+	let new_best_heads_sender = relay_chain.inner.lock().unwrap().new_best_heads_sender.clone();
 
 	let consensus =
 		run_parachain_consensus(100.into(), client.clone(), relay_chain, Arc::new(|_, _| {}));

client/consensus/relay-chain/src/import_queue.rs

@@ -40,11 +40,7 @@ pub struct Verifier<Client, Block, CIDP> {
 impl<Client, Block, CIDP> Verifier<Client, Block, CIDP> {
 	/// Create a new instance.
 	pub fn new(client: Arc<Client>, create_inherent_data_providers: CIDP) -> Self {
-		Self {
-			client,
-			create_inherent_data_providers,
-			_marker: PhantomData,
-		}
+		Self { client, create_inherent_data_providers, _marker: PhantomData }
 	}
 }
 
@@ -59,13 +55,7 @@ where
 	async fn verify(
 		&mut self,
 		mut block_params: BlockImportParams<Block, ()>,
-	) -> Result<
-		(
-			BlockImportParams<Block, ()>,
-			Option<Vec<(CacheKeyId, Vec<u8>)>>,
-		),
-		String,
-	> {
+	) -> Result<(BlockImportParams<Block, ()>, Option<Vec<(CacheKeyId, Vec<u8>)>>), String> {
 		if let Some(inner_body) = block_params.body.take() {
 			let inherent_data_providers = self
 				.create_inherent_data_providers
@@ -73,9 +63,8 @@ where
 				.await
 				.map_err(|e| e.to_string())?;
 
-			let inherent_data = inherent_data_providers
-				.create_inherent_data()
-				.map_err(|e| format!("{:?}", e))?;
+			let inherent_data =
+				inherent_data_providers.create_inherent_data().map_err(|e| format!("{:?}", e))?;
 
 			let block = Block::new(block_params.header.clone(), inner_body);
 
@@ -130,9 +119,7 @@ where
 
 	Ok(BasicQueue::new(
 		verifier,
-		Box::new(cumulus_client_consensus_common::ParachainBlockImport::new(
-			block_import,
-		)),
+		Box::new(cumulus_client_consensus_common::ParachainBlockImport::new(block_import)),
 		None,
 		spawner,
 		registry,

client/consensus/relay-chain/src/lib.rs

@@ -180,15 +180,10 @@ where
 			)
 			.ok()?;
 
-		let inherent_data = self
-			.inherent_data(parent.hash(), &validation_data, relay_parent)
-			.await?;
+		let inherent_data =
+			self.inherent_data(parent.hash(), &validation_data, relay_parent).await?;
 
-		let Proposal {
-			block,
-			storage_changes,
-			proof,
-		} = proposer
+		let Proposal { block, storage_changes, proof } = proposer
 			.propose(
 				inherent_data,
 				Default::default(),
@@ -226,7 +221,7 @@ where
 				"Error importing build block.",
 			);
 
-			return None;
+			return None
 		}
 
 		Some(ParachainCandidate { block, proof })

client/network/src/lib.rs

@@ -33,13 +33,13 @@ use sp_runtime::{
 	traits::{Block as BlockT, HashFor, Header as HeaderT},
 };
 
-use polkadot_node_primitives::{SignedFullStatement, Statement, CollationSecondedSignal};
+use polkadot_client::ClientHandle;
+use polkadot_node_primitives::{CollationSecondedSignal, SignedFullStatement, Statement};
 use polkadot_parachain::primitives::HeadData;
 use polkadot_primitives::v1::{
-	Block as PBlock, Hash as PHash, CandidateReceipt, CompactStatement, Id as ParaId,
-	OccupiedCoreAssumption, ParachainHost, UncheckedSigned, SigningContext,
+	Block as PBlock, CandidateReceipt, CompactStatement, Hash as PHash, Id as ParaId,
+	OccupiedCoreAssumption, ParachainHost, SigningContext, UncheckedSigned,
 };
-use polkadot_client::ClientHandle;
 
 use codec::{Decode, Encode};
 use futures::{
@@ -85,14 +85,13 @@ impl BlockAnnounceData {
 	///
 	/// This will not check the signature, for this you should use [`BlockAnnounceData::check_signature`].
 	fn validate(&self, encoded_header: Vec<u8>) -> Result<(), Validation> {
-		let candidate_hash = if let CompactStatement::Seconded(h) = self.statement.unchecked_payload() {
+		let candidate_hash = if let CompactStatement::Seconded(h) =
+			self.statement.unchecked_payload()
+		{
 			h
 		} else {
-			tracing::debug!(
-				target: LOG_TARGET,
-				"`CompactStatement` isn't the candidate variant!",
-			);
-			return Err(Validation::Failure { disconnect: true });
+			tracing::debug!(target: LOG_TARGET, "`CompactStatement` isn't the candidate variant!",);
+			return Err(Validation::Failure { disconnect: true })
 		};
 
 		if *candidate_hash != self.receipt.hash() {
@@ -100,7 +99,7 @@ impl BlockAnnounceData {
 				target: LOG_TARGET,
 				"Receipt candidate hash doesn't match candidate hash in statement",
 			);
-			return Err(Validation::Failure { disconnect: true });
+			return Err(Validation::Failure { disconnect: true })
 		}
 
 		if HeadData(encoded_header).hash() != self.receipt.descriptor.para_head {
@@ -108,7 +107,7 @@ impl BlockAnnounceData {
 				target: LOG_TARGET,
 				"Receipt para head hash doesn't match the hash of the header in the block announcement",
 			);
-			return Err(Validation::Failure { disconnect: true });
+			return Err(Validation::Failure { disconnect: true })
 		}
 
 		Ok(())
@@ -131,22 +130,16 @@ impl BlockAnnounceData {
 		let runtime_api_block_id = BlockId::Hash(self.receipt.descriptor.relay_parent);
 		let session_index = match runtime_api.session_index_for_child(&runtime_api_block_id) {
 			Ok(r) => r,
-			Err(e) => {
-				return Err(BlockAnnounceError(format!("{:?}", e)));
-			}
+			Err(e) => return Err(BlockAnnounceError(format!("{:?}", e))),
 		};
 
-		let signing_context = SigningContext {
-			parent_hash: self.receipt.descriptor.relay_parent,
-			session_index,
-		};
+		let signing_context =
+			SigningContext { parent_hash: self.receipt.descriptor.relay_parent, session_index };
 
 		// Check that the signer is a legit validator.
 		let authorities = match runtime_api.validators(&runtime_api_block_id) {
 			Ok(r) => r,
-			Err(e) => {
-				return Err(BlockAnnounceError(format!("{:?}", e)));
-			}
+			Err(e) => return Err(BlockAnnounceError(format!("{:?}", e))),
 		};
 		let signer = match authorities.get(validator_index.0 as usize) {
 			Some(r) => r,
@@ -156,22 +149,18 @@ impl BlockAnnounceData {
 					"Block announcement justification signer is a validator index out of bound",
 				);
 
-				return Ok(Validation::Failure { disconnect: true });
-			}
+				return Ok(Validation::Failure { disconnect: true })
+			},
 		};
 
 		// Check statement is correctly signed.
-		if self
-			.statement
-			.try_into_checked(&signing_context, &signer)
-			.is_err()
-		{
+		if self.statement.try_into_checked(&signing_context, &signer).is_err() {
 			tracing::debug!(
 				target: LOG_TARGET,
 				"Block announcement justification signature is invalid.",
 			);
 
-			return Ok(Validation::Failure { disconnect: true });
+			return Ok(Validation::Failure { disconnect: true })
 		}
 
 		Ok(Validation::Success { is_new_best: true })
@@ -185,13 +174,10 @@ impl TryFrom<&'_ SignedFullStatement> for BlockAnnounceData {
 		let receipt = if let Statement::Seconded(receipt) = stmt.payload() {
 			receipt.to_plain()
 		} else {
-			return Err(());
+			return Err(())
 		};
 
-		Ok(BlockAnnounceData {
-			receipt,
-			statement: stmt.convert_payload().into(),
-		})
+		Ok(BlockAnnounceData { receipt, statement: stmt.convert_payload().into() })
 	}
 }
 
@@ -273,16 +259,13 @@ where
 			.persisted_validation_data(block_id, para_id, OccupiedCoreAssumption::TimedOut)
 			.map_err(|e| Box::new(BlockAnnounceError(format!("{:?}", e))) as Box<_>)?
 			.ok_or_else(|| {
-				Box::new(BlockAnnounceError(
-					"Could not find parachain head in relay chain".into(),
-				)) as Box<_>
+				Box::new(BlockAnnounceError("Could not find parachain head in relay chain".into()))
+					as Box<_>
 			})?;
 		let para_head =
 			Block::Header::decode(&mut &validation_data.parent_head.0[..]).map_err(|e| {
-				Box::new(BlockAnnounceError(format!(
-					"Failed to decode parachain head: {:?}",
-					e
-				))) as Box<_>
+				Box::new(BlockAnnounceError(format!("Failed to decode parachain head: {:?}", e)))
+					as Box<_>
 			})?;
 
 		Ok(para_head)
@@ -320,21 +303,15 @@ where
 			let best_head =
 				Self::included_block(&*relay_chain_client, &runtime_api_block_id, para_id)?;
 			let known_best_number = best_head.number();
-			let backed_block = ||
-				Self::backed_block_hash(&*relay_chain_client, &runtime_api_block_id, para_id);
+			let backed_block =
+				|| Self::backed_block_hash(&*relay_chain_client, &runtime_api_block_id, para_id);
 
 			if best_head == header {
-				tracing::debug!(
-					target: LOG_TARGET,
-					"Announced block matches best block.",
-				);
+				tracing::debug!(target: LOG_TARGET, "Announced block matches best block.",);
 
 				Ok(Validation::Success { is_new_best: true })
 			} else if Some(HeadData(header.encode()).hash()) == backed_block()? {
-				tracing::debug!(
-					target: LOG_TARGET,
-					"Announced block matches latest backed block.",
-				);
+				tracing::debug!(target: LOG_TARGET, "Announced block matches latest backed block.",);
 
 				Ok(Validation::Success { is_new_best: true })
 			} else if block_number >= known_best_number {
@@ -367,23 +344,20 @@ where
 		mut data: &[u8],
 	) -> Pin<Box<dyn Future<Output = Result<Validation, BoxedError>> + Send>> {
 		if self.relay_chain_sync_oracle.is_major_syncing() {
-			return ready(Ok(Validation::Success { is_new_best: false })).boxed();
+			return ready(Ok(Validation::Success { is_new_best: false })).boxed()
 		}
 
 		if data.is_empty() {
-			return self
-				.handle_empty_block_announce_data(header.clone())
-				.boxed();
+			return self.handle_empty_block_announce_data(header.clone()).boxed()
 		}
 
 		let block_announce_data = match BlockAnnounceData::decode(&mut data) {
 			Ok(r) => r,
-			Err(_) => {
+			Err(_) =>
 				return ready(Err(Box::new(BlockAnnounceError(
 					"Can not decode the `BlockAnnounceData`".into(),
 				)) as Box<_>))
-				.boxed()
-			}
+				.boxed(),
 		};
 
 		let relay_chain_client = self.relay_chain_client.clone();
@@ -392,7 +366,7 @@ where
 
 		async move {
 			if let Err(e) = block_announce_data.validate(header_encoded) {
-				return Ok(e);
+				return Ok(e)
 			}
 
 			let relay_parent = block_announce_data.receipt.descriptor.relay_parent;
@@ -519,10 +493,7 @@ impl<Block: BlockT> WaitToAnnounce<Block> {
 		spawner: Arc<dyn SpawnNamed + Send + Sync>,
 		announce_block: Arc<dyn Fn(Block::Hash, Option<Vec<u8>>) + Send + Sync>,
 	) -> WaitToAnnounce<Block> {
-		WaitToAnnounce {
-			spawner,
-			announce_block,
-		}
+		WaitToAnnounce { spawner, announce_block }
 	}
 
 	/// Wait for a candidate message for the block, then announce the block. The candidate
@@ -567,8 +538,8 @@ async fn wait_to_announce<Block: BlockT>(
 				block = ?block_hash,
 				"Wait to announce stopped, because sender was dropped.",
 			);
-			return;
-		}
+			return
+		},
 	};
 
 	if let Ok(data) = BlockAnnounceData::try_from(&statement) {

client/network/src/tests.rs

@@ -15,15 +15,16 @@
 // along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
 
 use super::*;
-use cumulus_test_service::runtime::{Block, Header, Hash};
+use cumulus_test_service::runtime::{Block, Hash, Header};
 use futures::{executor::block_on, poll, task::Poll};
+use parking_lot::Mutex;
 use polkadot_node_primitives::{SignedFullStatement, Statement};
 use polkadot_primitives::v1::{
 	Block as PBlock, BlockNumber, CandidateCommitments, CandidateDescriptor, CandidateEvent,
 	CommittedCandidateReceipt, CoreState, GroupRotationInfo, Hash as PHash, HeadData, Id as ParaId,
 	InboundDownwardMessage, InboundHrmpMessage, OccupiedCoreAssumption, ParachainHost,
-	PersistedValidationData, SessionIndex, SessionInfo, SigningContext, ValidationCode, ValidationCodeHash,
-	ValidatorId, ValidatorIndex,
+	PersistedValidationData, SessionIndex, SessionInfo, SigningContext, ValidationCode,
+	ValidationCodeHash, ValidatorId, ValidatorIndex,
 };
 use polkadot_test_client::{
 	Client as PClient, ClientBlockImportExt, DefaultTestClientBuilderExt, FullBackend as PBackend,
@@ -37,7 +38,6 @@ use sp_keyring::Sr25519Keyring;
 use sp_keystore::{testing::KeyStore, SyncCryptoStore, SyncCryptoStorePtr};
 use sp_runtime::RuntimeAppPublic;
 use std::collections::BTreeMap;
-use parking_lot::Mutex;
 
 fn check_error(error: crate::BoxedError, check_error: impl Fn(&BlockAnnounceError) -> bool) {
 	let error = *error
@@ -61,10 +61,8 @@ impl SyncOracle for DummyCollatorNetwork {
 	}
 }
 
-fn make_validator_and_api() -> (
-	BlockAnnounceValidator<Block, TestApi, PBackend, PClient>,
-	Arc<TestApi>,
-) {
+fn make_validator_and_api(
+) -> (BlockAnnounceValidator<Block, TestApi, PBackend, PClient>, Arc<TestApi>) {
 	let api = Arc::new(TestApi::new());
 
 	(
@@ -94,12 +92,7 @@ async fn make_gossip_message_and_header_using_genesis(
 	api: Arc<TestApi>,
 	validator_index: u32,
 ) -> (SignedFullStatement, Header) {
-	let relay_parent = api
-		.relay_client
-		.hash(0)
-		.ok()
-		.flatten()
-		.expect("Genesis hash exists");
+	let relay_parent = api.relay_client.hash(0).ok().flatten().expect("Genesis hash exists");
 
 	make_gossip_message_and_header(api, relay_parent, validator_index).await
 }
@@ -116,14 +109,9 @@ async fn make_gossip_message_and_header(
 		Some(&Sr25519Keyring::Alice.to_seed()),
 	)
 	.unwrap();
-	let session_index = api
-		.runtime_api()
-		.session_index_for_child(&BlockId::Hash(relay_parent))
-		.unwrap();
-	let signing_context = SigningContext {
-		parent_hash: relay_parent,
-		session_index,
-	};
+	let session_index =
+		api.runtime_api().session_index_for_child(&BlockId::Hash(relay_parent)).unwrap();
+	let signing_context = SigningContext { parent_hash: relay_parent, session_index };
 
 	let header = default_header();
 	let candidate_receipt = CommittedCandidateReceipt {
@@ -156,10 +144,7 @@ async fn make_gossip_message_and_header(
 #[test]
 fn valid_if_no_data_and_less_than_best_known_number() {
 	let mut validator = make_validator_and_api().0;
-	let header = Header {
-		number: 0,
-		..default_header()
-	};
+	let header = Header { number: 0, ..default_header() };
 	let res = block_on(validator.validate(&header, &[]));
 
 	assert_eq!(
@@ -172,11 +157,7 @@ fn valid_if_no_data_and_less_than_best_known_number() {
 #[test]
 fn invalid_if_no_data_exceeds_best_known_number() {
 	let mut validator = make_validator_and_api().0;
-	let header = Header {
-		number: 1,
-		state_root: Hash::random(),
-		..default_header()
-	};
+	let header = Header { number: 1, state_root: Hash::random(), ..default_header() };
 	let res = block_on(validator.validate(&header, &[]));
 
 	assert_eq!(
@@ -219,9 +200,7 @@ fn check_signer_is_legit_validator() {
 	let (mut validator, api) = make_validator_and_api();
 
 	let (signed_statement, header) = block_on(make_gossip_message_and_header_using_genesis(api, 1));
-	let data = BlockAnnounceData::try_from(&signed_statement)
-		.unwrap()
-		.encode();
+	let data = BlockAnnounceData::try_from(&signed_statement).unwrap().encode();
 
 	let res = block_on(validator.validate(&header, &data));
 	assert_eq!(Validation::Failure { disconnect: true }, res.unwrap());
@@ -233,9 +212,7 @@ fn check_statement_is_correctly_signed() {
 
 	let (signed_statement, header) = block_on(make_gossip_message_and_header_using_genesis(api, 0));
 
-	let mut data = BlockAnnounceData::try_from(&signed_statement)
-		.unwrap()
-		.encode();
+	let mut data = BlockAnnounceData::try_from(&signed_statement).unwrap().encode();
 
 	// The signature comes at the end of the type, so change a bit to make the signature invalid.
 	let last = data.len() - 1;
@@ -258,14 +235,9 @@ fn check_statement_seconded() {
 		Some(&Sr25519Keyring::Alice.to_seed()),
 	)
 	.unwrap();
-	let session_index = api
-		.runtime_api()
-		.session_index_for_child(&BlockId::Hash(relay_parent))
-		.unwrap();
-	let signing_context = SigningContext {
-		parent_hash: relay_parent,
-		session_index,
-	};
+	let session_index =
+		api.runtime_api().session_index_for_child(&BlockId::Hash(relay_parent)).unwrap();
+	let signing_context = SigningContext { parent_hash: relay_parent, session_index };
 
 	let statement = Statement::Valid(Default::default());
 
@@ -296,9 +268,7 @@ fn check_header_match_candidate_receipt_header() {
 
 	let (signed_statement, mut header) =
 		block_on(make_gossip_message_and_header_using_genesis(api, 0));
-	let data = BlockAnnounceData::try_from(&signed_statement)
-		.unwrap()
-		.encode();
+	let data = BlockAnnounceData::try_from(&signed_statement).unwrap().encode();
 	header.number = 300;
 
 	let res = block_on(validator.validate(&header, &data));
@@ -315,17 +285,11 @@ fn relay_parent_not_imported_when_block_announce_is_processed() {
 		let (mut validator, api) = make_validator_and_api();
 
 		let mut client = api.relay_client.clone();
-		let block = client
-			.init_polkadot_block_builder()
-			.build()
-			.expect("Build new block")
-			.block;
+		let block = client.init_polkadot_block_builder().build().expect("Build new block").block;
 
 		let (signed_statement, header) = make_gossip_message_and_header(api, block.hash(), 0).await;
 
-		let data = BlockAnnounceData::try_from(&signed_statement)
-			.unwrap()
-			.encode();
+		let data = BlockAnnounceData::try_from(&signed_statement).unwrap().encode();
 
 		let mut validation = validator.validate(&header, &data);
 
@@ -333,10 +297,7 @@ fn relay_parent_not_imported_when_block_announce_is_processed() {
 		// that the future is still pending.
 		assert!(poll!(&mut validation).is_pending());
 
-		client
-			.import(BlockOrigin::Own, block)
-			.await
-			.expect("Imports the block");
+		client.import(BlockOrigin::Own, block).await.expect("Imports the block");
 
 		assert!(matches!(
 			poll!(validation),
@@ -357,10 +318,7 @@ fn block_announced_without_statement_and_block_only_backed() {
 
 		let validation = validator.validate(&header, &[]);
 
-		assert!(matches!(
-			validation.await,
-			Ok(Validation::Success { is_new_best: true })
-		));
+		assert!(matches!(validation.await, Ok(Validation::Success { is_new_best: true })));
 	});
 }
 
@@ -401,10 +359,7 @@ impl ProvideRuntimeApi<PBlock> for TestApi {
 	type Api = RuntimeApi;
 
 	fn runtime_api<'a>(&'a self) -> ApiRef<'a, Self::Api> {
-		RuntimeApi {
-			data: self.data.clone(),
-		}
-		.into()
+		RuntimeApi { data: self.data.clone() }.into()
 	}
 }
 

client/network/src/wait_on_relay_chain_block.rs

@@ -31,10 +31,7 @@ const TIMEOUT_IN_SECONDS: u64 = 6;
 /// Custom error type used by [`WaitOnRelayChainBlock`].
 #[derive(Debug, derive_more::Display)]
 pub enum Error {
-	#[display(
-		fmt = "Timeout while waiting for relay-chain block `{}` to be imported.",
-		_0
-	)]
+	#[display(fmt = "Timeout while waiting for relay-chain block `{}` to be imported.", _0)]
 	Timeout(PHash),
 	#[display(
 		fmt = "Import listener closed while waiting for relay-chain block `{}` to be imported.",
@@ -73,20 +70,14 @@ pub struct WaitOnRelayChainBlock<B, BCE> {
 
 impl<B, BCE> Clone for WaitOnRelayChainBlock<B, BCE> {
 	fn clone(&self) -> Self {
-		Self {
-			backend: self.backend.clone(),
-			block_chain_events: self.block_chain_events.clone(),
-		}
+		Self { backend: self.backend.clone(), block_chain_events: self.block_chain_events.clone() }
 	}
 }
 
 impl<B, BCE> WaitOnRelayChainBlock<B, BCE> {
 	/// Creates a new instance of `Self`.
 	pub fn new(backend: Arc<B>, block_chain_events: Arc<BCE>) -> Self {
-		Self {
-			backend,
-			block_chain_events,
-		}
+		Self { backend, block_chain_events }
 	}
 }
 
@@ -103,11 +94,9 @@ where
 	) -> impl Future<Output = Result<(), Error>> {
 		let _lock = self.backend.get_import_lock().read();
 		match self.backend.blockchain().status(BlockId::Hash(hash)) {
-			Ok(BlockStatus::InChain) => {
-				return ready(Ok(())).boxed();
-			}
+			Ok(BlockStatus::InChain) => return ready(Ok(())).boxed(),
 			Err(err) => return ready(Err(Error::BlockchainError(hash, err))).boxed(),
-			_ => {}
+			_ => {},
 		}
 
 		let mut listener = self.block_chain_events.import_notification_stream();
@@ -171,10 +160,7 @@ mod tests {
 
 		block_on(async move {
 			// Should be ready on the first poll
-			assert!(matches!(
-				poll!(wait.wait_on_relay_chain_block(hash)),
-				Poll::Ready(Ok(()))
-			));
+			assert!(matches!(poll!(wait.wait_on_relay_chain_block(hash)), Poll::Ready(Ok(()))));
 		});
 	}
 
@@ -191,10 +177,7 @@ mod tests {
 			assert!(poll!(&mut future).is_pending());
 
 			// Import the block that should fire the notification
-			client
-				.import(BlockOrigin::Own, block)
-				.await
-				.expect("Imports the block");
+			client.import(BlockOrigin::Own, block).await.expect("Imports the block");
 
 			// Now it should have received the notification and report that the block was imported
 			assert!(matches!(poll!(future), Poll::Ready(Ok(()))));
@@ -208,10 +191,7 @@ mod tests {
 
 		let wait = WaitOnRelayChainBlock::new(backend, client.clone());
 
-		assert!(matches!(
-			block_on(wait.wait_on_relay_chain_block(hash)),
-			Err(Error::Timeout(_))
-		));
+		assert!(matches!(block_on(wait.wait_on_relay_chain_block(hash)), Err(Error::Timeout(_))));
 	}
 
 	#[test]
@@ -227,9 +207,7 @@ mod tests {
 		);
 		let mut block_builder = client.init_polkadot_block_builder();
 		// Push an extrinsic to get a different block hash.
-		block_builder
-			.push_polkadot_extrinsic(ext)
-			.expect("Push extrinsic");
+		block_builder.push_polkadot_extrinsic(ext).expect("Push extrinsic");
 		let block2 = block_builder.build().expect("Build second block").block;
 		let hash2 = block2.hash();
 
@@ -243,20 +221,14 @@ mod tests {
 			assert!(poll!(&mut future2).is_pending());
 
 			// Import the block that should fire the notification
-			client
-				.import(BlockOrigin::Own, block2)
-				.await
-				.expect("Imports the second block");
+			client.import(BlockOrigin::Own, block2).await.expect("Imports the second block");
 
 			// The import notification of the second block should not make this one finish
 			assert!(poll!(&mut future).is_pending());
 			// Now it should have received the notification and report that the block was imported
 			assert!(matches!(poll!(future2), Poll::Ready(Ok(()))));
 
-			client
-				.import(BlockOrigin::Own, block)
-				.await
-				.expect("Imports the first block");
+			client.import(BlockOrigin::Own, block).await.expect("Imports the first block");
 
 			// Now it should be ready
 			assert!(matches!(poll!(future), Poll::Ready(Ok(()))));

client/pov-recovery/src/active_candidate_recovery.rs

@@ -39,11 +39,7 @@ pub(crate) struct ActiveCandidateRecovery<Block: BlockT> {
 
 impl<Block: BlockT> ActiveCandidateRecovery<Block> {
 	pub fn new(overseer_handle: OverseerHandle) -> Self {
-		Self {
-			recoveries: Default::default(),
-			candidates: Default::default(),
-			overseer_handle,
-		}
+		Self { recoveries: Default::default(), candidates: Default::default(), overseer_handle }
 	}
 
 	/// Recover the given `pending_candidate`.
@@ -80,14 +76,14 @@ impl<Block: BlockT> ActiveCandidateRecovery<Block> {
 							"Availability recovery failed",
 						);
 						(block_hash, None)
-					}
+					},
 					Err(_) => {
 						tracing::debug!(
 							target: crate::LOG_TARGET,
 							"Availability recovery oneshot channel closed",
 						);
 						(block_hash, None)
-					}
+					},
 				}
 			}
 			.boxed(),
@@ -106,7 +102,7 @@ impl<Block: BlockT> ActiveCandidateRecovery<Block> {
 		loop {
 			if let Some(res) = self.recoveries.next().await {
 				self.candidates.remove(&res.0);
-				return res;
+				return res
 			} else {
 				futures::pending!()
 			}

client/pov-recovery/src/lib.rs

@@ -149,12 +149,12 @@ where
 					error = ?e,
 					"Failed to decode parachain header from pending candidate",
 				);
-				return;
-			}
+				return
+			},
 		};
 
 		if *header.number() <= self.parachain_client.usage_info().chain.finalized_number {
-			return;
+			return
 		}
 
 		let hash = header.hash();
@@ -169,8 +169,8 @@ where
 					block_hash = ?hash,
 					"Failed to get block status",
 				);
-				return;
-			}
+				return
+			},
 		}
 
 		if self
@@ -185,7 +185,7 @@ where
 			)
 			.is_some()
 		{
-			return;
+			return
 		}
 
 		// Wait some random time, with the maximum being the slot duration of the relay chain
@@ -207,8 +207,7 @@ where
 
 	/// Handle a finalized block with the given `block_number`.
 	fn handle_block_finalized(&mut self, block_number: NumberFor<Block>) {
-		self.pending_candidates
-			.retain(|_, pc| pc.block_number > block_number);
+		self.pending_candidates.retain(|_, pc| pc.block_number > block_number);
 	}
 
 	/// Recover the candidate for the given `block_hash`.
@@ -245,8 +244,8 @@ where
 			Some(data) => data,
 			None => {
 				self.clear_waiting_for_parent(block_hash);
-				return;
-			}
+				return
+			},
 		};
 
 		let raw_block_data = match sp_maybe_compressed_blob::decompress(
@@ -259,8 +258,8 @@ where
 
 				self.clear_waiting_for_parent(block_hash);
 
-				return;
-			}
+				return
+			},
 		};
 
 		let block_data = match ParachainBlockData::<Block>::decode(&mut &raw_block_data[..]) {
@@ -274,8 +273,8 @@ where
 
 				self.clear_waiting_for_parent(block_hash);
 
-				return;
-			}
+				return
+			},
 		};
 
 		let block = block_data.into_block();
@@ -292,11 +291,8 @@ where
 						"Parent is still being recovered, waiting.",
 					);
 
-					self.waiting_for_parent
-						.entry(parent)
-						.or_default()
-						.push(block);
-					return;
+					self.waiting_for_parent.entry(parent).or_default().push(block);
+					return
 				} else {
 					tracing::debug!(
 						target: "cumulus-consensus",
@@ -307,9 +303,9 @@ where
 
 					self.clear_waiting_for_parent(block_hash);
 
-					return;
+					return
 				}
-			}
+			},
 			Err(error) => {
 				tracing::debug!(
 					target: "cumulus-consensus",
@@ -320,8 +316,8 @@ where
 
 				self.clear_waiting_for_parent(block_hash);
 
-				return;
-			}
+				return
+			},
 			// Any other status is fine to "ignore/accept"
 			_ => (),
 		}
@@ -431,27 +427,25 @@ where
 	RC: ProvideRuntimeApi<PBlock> + BlockchainEvents<PBlock>,
 	RC::Api: ParachainHost<PBlock>,
 {
-	relay_chain_client
-		.import_notification_stream()
-		.filter_map(move |n| {
-			let runtime_api = relay_chain_client.runtime_api();
-			let res = runtime_api
-				.candidate_pending_availability(&BlockId::hash(n.hash), para_id)
-				.and_then(|pa| {
-					runtime_api
-						.session_index_for_child(&BlockId::hash(n.hash))
-						.map(|v| pa.map(|pa| (pa, v)))
-				})
-				.map_err(|e| {
-					tracing::error!(
-						target: LOG_TARGET,
-						error = ?e,
-						"Failed fetch pending candidates.",
-					)
-				})
-				.ok()
-				.flatten();
+	relay_chain_client.import_notification_stream().filter_map(move |n| {
+		let runtime_api = relay_chain_client.runtime_api();
+		let res = runtime_api
+			.candidate_pending_availability(&BlockId::hash(n.hash), para_id)
+			.and_then(|pa| {
+				runtime_api
+					.session_index_for_child(&BlockId::hash(n.hash))
+					.map(|v| pa.map(|pa| (pa, v)))
+			})
+			.map_err(|e| {
+				tracing::error!(
+					target: LOG_TARGET,
+					error = ?e,
+					"Failed fetch pending candidates.",
+				)
+			})
+			.ok()
+			.flatten();
 
-			async move { res }
-		})
+		async move { res }
+	})
 }

client/service/src/lib.rs

@@ -118,19 +118,17 @@ where
 		_phantom: PhantomData,
 	});
 
-	relay_chain_full_node
-		.client
-		.execute_with(StartPoVRecovery {
-			para_id,
-			client: client.clone(),
-			import_queue,
-			task_manager,
-			overseer_handle: relay_chain_full_node
-				.overseer_handle
-				.clone()
-				.ok_or_else(|| "Polkadot full node did not provide an `OverseerHandle`!")?,
-			_phantom: PhantomData,
-		})?;
+	relay_chain_full_node.client.execute_with(StartPoVRecovery {
+		para_id,
+		client: client.clone(),
+		import_queue,
+		task_manager,
+		overseer_handle: relay_chain_full_node
+			.overseer_handle
+			.clone()
+			.ok_or_else(|| "Polkadot full node did not provide an `OverseerHandle`!")?,
+		_phantom: PhantomData,
+	})?;
 
 	cumulus_client_collator::start_collator(cumulus_client_collator::StartCollatorParams {
 		runtime_api: client.clone(),
@@ -239,9 +237,7 @@ where
 			self.announce_block,
 		);
 
-		self.task_manager
-			.spawn_essential_handle()
-			.spawn("cumulus-consensus", consensus);
+		self.task_manager.spawn_essential_handle().spawn("cumulus-consensus", consensus);
 	}
 }
 
@@ -311,9 +307,7 @@ pub fn build_polkadot_full_node(
 ) -> Result<RFullNode<PClient>, polkadot_service::Error> {
 	let is_light = matches!(config.role, Role::Light);
 	if is_light {
-		Err(polkadot_service::Error::Sub(
-			"Light client not supported.".into(),
-		))
+		Err(polkadot_service::Error::Sub("Light client not supported.".into()))
 	} else {
 		let collator_key = CollatorPair::generate().0;
 
@@ -327,10 +321,7 @@ pub fn build_polkadot_full_node(
 			polkadot_service::RealOverseerGen,
 		)?;
 
-		Ok(RFullNode {
-			relay_chain_full_node,
-			collator_key,
-		})
+		Ok(RFullNode { relay_chain_full_node, collator_key })
 	}
 }
 
@@ -359,9 +350,7 @@ impl<Block: BlockT> ImportQueue<Block> for SharedImportQueue<Block> {
 		number: NumberFor<Block>,
 		justifications: Justifications,
 	) {
-		self.0
-			.lock()
-			.import_justifications(who, hash, number, justifications)
+		self.0.lock().import_justifications(who, hash, number, justifications)
 	}
 
 	fn poll_actions(&mut self, cx: &mut std::task::Context, link: &mut dyn Link<Block>) {

pallets/aura-ext/src/lib.rs

@@ -131,18 +131,14 @@ where
 				(Some(s), false) => {
 					seal = Some(s);
 					false
-				}
+				},
 			}
 		});
 
 		let seal = seal.expect("Could not find an AuRa seal digest!");
 
 		let author = Aura::<T>::find_author(
-			header
-				.digest()
-				.logs()
-				.iter()
-				.filter_map(|d| d.as_pre_runtime()),
+			header.digest().logs().iter().filter_map(|d| d.as_pre_runtime()),
 		)
 		.expect("Could not find AuRa author index!");
 
@@ -150,9 +146,9 @@ where
 
 		if !authorities
 			.get(author as usize)
-			.unwrap_or_else(||
+			.unwrap_or_else(|| {
 				panic!("Invalid AuRa author index {} for authorities: {:?}", author, authorities)
-			)
+			})
 			.verify(&pre_hash, &seal)
 		{
 			panic!("Invalid AuRa seal");

pallets/collator-selection/src/benchmarking.rs

@@ -19,15 +19,15 @@ use super::*;
 
 #[allow(unused)]
 use crate::Pallet as CollatorSelection;
-use sp_std::prelude::*;
-use frame_benchmarking::{benchmarks, impl_benchmark_test_suite, whitelisted_caller, account};
-use frame_system::{RawOrigin, EventRecord};
+use frame_benchmarking::{account, benchmarks, impl_benchmark_test_suite, whitelisted_caller};
 use frame_support::{
 	assert_ok,
-	traits::{Currency, Get, EnsureOrigin},
+	traits::{Currency, EnsureOrigin, Get},
 };
+use frame_system::{EventRecord, RawOrigin};
 use pallet_authorship::EventHandler;
 use pallet_session::SessionManager;
+use sp_std::prelude::*;
 
 pub type BalanceOf<T> =
 	<<T as Config>::Currency as Currency<<T as frame_system::Config>::AccountId>>::Balance;
@@ -38,7 +38,7 @@ const SEED: u32 = 0;
 macro_rules! whitelist {
 	($acc:ident) => {
 		frame_benchmarking::benchmarking::add_to_whitelist(
-			frame_system::Account::<T>::hashed_key_for(&$acc).into()
+			frame_system::Account::<T>::hashed_key_for(&$acc).into(),
 		);
 	};
 }

pallets/collator-selection/src/lib.rs

@@ -74,29 +74,27 @@ pub mod weights;
 
 #[frame_support::pallet]
 pub mod pallet {
+	pub use crate::weights::WeightInfo;
+	use core::ops::Div;
 	use frame_support::{
 		dispatch::DispatchResultWithPostInfo,
-		pallet_prelude::*,
 		inherent::Vec,
-		traits::{
-			Currency, ReservableCurrency, EnsureOrigin, ExistenceRequirement::KeepAlive, ValidatorRegistration
-		},
-		PalletId,
-	};
-	use frame_system::pallet_prelude::*;
-	use frame_system::Config as SystemConfig;
-	use frame_support::{
+		pallet_prelude::*,
 		sp_runtime::{
+			traits::{AccountIdConversion, CheckedSub, Saturating, Zero},
 			RuntimeDebug,
-			traits::{AccountIdConversion, CheckedSub, Zero, Saturating},
+		},
+		traits::{
+			Currency, EnsureOrigin, ExistenceRequirement::KeepAlive, ReservableCurrency,
+			ValidatorRegistration,
 		},
 		weights::DispatchClass,
+		PalletId,
 	};
-	use sp_runtime::traits::Convert;
-	use core::ops::Div;
+	use frame_system::{pallet_prelude::*, Config as SystemConfig};
 	use pallet_session::SessionManager;
+	use sp_runtime::traits::Convert;
 	use sp_staking::SessionIndex;
-	pub use crate::weights::WeightInfo;
 
 	type BalanceOf<T> =
 		<<T as Config>::Currency as Currency<<T as SystemConfig>::AccountId>>::Balance;
@@ -136,7 +134,6 @@ pub mod pallet {
 		/// This does not take into account the invulnerables.
 		type MinCandidates: Get<u32>;
 
-
 		/// Maximum number of invulnerables.
 		///
 		/// Used only for benchmarking.
@@ -156,7 +153,6 @@ pub mod pallet {
 		/// Validate a user is registered
 		type ValidatorRegistration: ValidatorRegistration<Self::ValidatorId>;
 
-
 		/// The weight information of this pallet.
 		type WeightInfo: WeightInfo;
 	}
@@ -182,16 +178,14 @@ pub mod pallet {
 	/// The (community, limited) collation candidates.
 	#[pallet::storage]
 	#[pallet::getter(fn candidates)]
-	pub type Candidates<T: Config> = StorageValue<
-		_,
-		Vec<CandidateInfo<T::AccountId, BalanceOf<T>>>,
-		ValueQuery,
-	>;
+	pub type Candidates<T: Config> =
+		StorageValue<_, Vec<CandidateInfo<T::AccountId, BalanceOf<T>>>, ValueQuery>;
 
 	/// Last block authored by collator.
 	#[pallet::storage]
 	#[pallet::getter(fn last_authored_block)]
-	pub type LastAuthoredBlock<T: Config> = StorageMap<_, Twox64Concat, T::AccountId, T::BlockNumber, ValueQuery>;
+	pub type LastAuthoredBlock<T: Config> =
+		StorageMap<_, Twox64Concat, T::AccountId, T::BlockNumber, ValueQuery>;
 
 	/// Desired number of candidates.
 	///
@@ -205,7 +199,6 @@ pub mod pallet {
 	#[pallet::getter(fn candidacy_bond)]
 	pub type CandidacyBond<T> = StorageValue<_, BalanceOf<T>, ValueQuery>;
 
-
 	#[pallet::genesis_config]
 	pub struct GenesisConfig<T: Config> {
 		pub invulnerables: Vec<T::AccountId>,
@@ -227,9 +220,12 @@ pub mod pallet {
 	#[pallet::genesis_build]
 	impl<T: Config> GenesisBuild<T> for GenesisConfig<T> {
 		fn build(&self) {
-
-			let duplicate_invulnerables = self.invulnerables.iter().collect::<std::collections::BTreeSet<_>>();
-			assert!(duplicate_invulnerables.len()  == self.invulnerables.len(), "duplicate invulnerables in genesis.");
+			let duplicate_invulnerables =
+				self.invulnerables.iter().collect::<std::collections::BTreeSet<_>>();
+			assert!(
+				duplicate_invulnerables.len() == self.invulnerables.len(),
+				"duplicate invulnerables in genesis."
+			);
 
 			assert!(
 				T::MaxInvulnerables::get() >= (self.invulnerables.len() as u32),
@@ -276,7 +272,7 @@ pub mod pallet {
 		/// Account has no associated validator ID
 		NoAssociatedValidatorId,
 		/// Validator ID is not yet registered
-		ValidatorNotRegistered
+		ValidatorNotRegistered,
 	}
 
 	#[pallet::hooks]
@@ -302,13 +298,14 @@ pub mod pallet {
 		}
 
 		#[pallet::weight(T::WeightInfo::set_desired_candidates())]
-		pub fn set_desired_candidates(origin: OriginFor<T>, max: u32) -> DispatchResultWithPostInfo {
+		pub fn set_desired_candidates(
+			origin: OriginFor<T>,
+			max: u32,
+		) -> DispatchResultWithPostInfo {
 			T::UpdateOrigin::ensure_origin(origin)?;
 			// we trust origin calls, this is just a for more accurate benchmarking
 			if max > T::MaxCandidates::get() {
-				log::warn!(
-					"max > T::MaxCandidates; you might need to run benchmarks again"
-				);
+				log::warn!("max > T::MaxCandidates; you might need to run benchmarks again");
 			}
 			<DesiredCandidates<T>>::put(&max);
 			Self::deposit_event(Event::NewDesiredCandidates(max));
@@ -316,7 +313,10 @@ pub mod pallet {
 		}
 
 		#[pallet::weight(T::WeightInfo::set_candidacy_bond())]
-		pub fn set_candidacy_bond(origin: OriginFor<T>, bond: BalanceOf<T>) -> DispatchResultWithPostInfo {
+		pub fn set_candidacy_bond(
+			origin: OriginFor<T>,
+			bond: BalanceOf<T>,
+		) -> DispatchResultWithPostInfo {
 			T::UpdateOrigin::ensure_origin(origin)?;
 			<CandidacyBond<T>>::put(&bond);
 			Self::deposit_event(Event::NewCandidacyBond(bond));
@@ -332,8 +332,12 @@ pub mod pallet {
 			ensure!((length as u32) < Self::desired_candidates(), Error::<T>::TooManyCandidates);
 			ensure!(!Self::invulnerables().contains(&who), Error::<T>::AlreadyInvulnerable);
 
-			let validator_key = T::ValidatorIdOf::convert(who.clone()).ok_or(Error::<T>::NoAssociatedValidatorId)?;
-			ensure!(T::ValidatorRegistration::is_registered(&validator_key), Error::<T>::ValidatorNotRegistered);
+			let validator_key = T::ValidatorIdOf::convert(who.clone())
+				.ok_or(Error::<T>::NoAssociatedValidatorId)?;
+			ensure!(
+				T::ValidatorRegistration::is_registered(&validator_key),
+				Error::<T>::ValidatorNotRegistered
+			);
 
 			let deposit = Self::candidacy_bond();
 			// First authored block is current block plus kick threshold to handle session delay
@@ -346,7 +350,10 @@ pub mod pallet {
 					} else {
 						T::Currency::reserve(&who, deposit)?;
 						candidates.push(incoming);
-						<LastAuthoredBlock<T>>::insert(who.clone(), frame_system::Pallet::<T>::block_number() + T::KickThreshold::get());
+						<LastAuthoredBlock<T>>::insert(
+							who.clone(),
+							frame_system::Pallet::<T>::block_number() + T::KickThreshold::get(),
+						);
 						Ok(candidates.len())
 					}
 				})?;
@@ -358,7 +365,10 @@ pub mod pallet {
 		#[pallet::weight(T::WeightInfo::leave_intent(T::MaxCandidates::get()))]
 		pub fn leave_intent(origin: OriginFor<T>) -> DispatchResultWithPostInfo {
 			let who = ensure_signed(origin)?;
-			ensure!(Self::candidates().len() as u32 > T::MinCandidates::get(), Error::<T>::TooFewCandidates);
+			ensure!(
+				Self::candidates().len() as u32 > T::MinCandidates::get(),
+				Error::<T>::TooFewCandidates
+			);
 			let current_count = Self::try_remove_candidate(&who)?;
 
 			Ok(Some(T::WeightInfo::leave_intent(current_count as u32)).into())
@@ -372,13 +382,17 @@ pub mod pallet {
 		}
 		/// Removes a candidate if they exist and sends them back their deposit
 		fn try_remove_candidate(who: &T::AccountId) -> Result<usize, DispatchError> {
-			let current_count = <Candidates<T>>::try_mutate(|candidates| -> Result<usize, DispatchError> {
-				let index = candidates.iter().position(|candidate| candidate.who == *who).ok_or(Error::<T>::NotCandidate)?;
-				T::Currency::unreserve(&who, candidates[index].deposit);
-				candidates.remove(index);
-				<LastAuthoredBlock<T>>::remove(who.clone());
-				Ok(candidates.len())
-			})?;
+			let current_count =
+				<Candidates<T>>::try_mutate(|candidates| -> Result<usize, DispatchError> {
+					let index = candidates
+						.iter()
+						.position(|candidate| candidate.who == *who)
+						.ok_or(Error::<T>::NotCandidate)?;
+					T::Currency::unreserve(&who, candidates[index].deposit);
+					candidates.remove(index);
+					<LastAuthoredBlock<T>>::remove(who.clone());
+					Ok(candidates.len())
+				})?;
 			Self::deposit_event(Event::CandidateRemoved(who.clone()));
 			Ok(current_count)
 		}
@@ -388,29 +402,34 @@ pub mod pallet {
 		/// This is done on the fly, as frequent as we are told to do so, as the session manager.
 		pub fn assemble_collators(candidates: Vec<T::AccountId>) -> Vec<T::AccountId> {
 			let mut collators = Self::invulnerables();
-			collators.extend(
-				candidates.into_iter().collect::<Vec<_>>(),
-			);
+			collators.extend(candidates.into_iter().collect::<Vec<_>>());
 			collators
 		}
 		/// Kicks out and candidates that did not produce a block in the kick threshold.
-		pub fn kick_stale_candidates(candidates: Vec<CandidateInfo<T::AccountId, BalanceOf<T>>>) -> Vec<T::AccountId> {
+		pub fn kick_stale_candidates(
+			candidates: Vec<CandidateInfo<T::AccountId, BalanceOf<T>>>,
+		) -> Vec<T::AccountId> {
 			let now = frame_system::Pallet::<T>::block_number();
 			let kick_threshold = T::KickThreshold::get();
-			let new_candidates = candidates.into_iter().filter_map(|c| {
-				let last_block = <LastAuthoredBlock<T>>::get(c.who.clone());
-				let since_last = now.saturating_sub(last_block);
-				if since_last < kick_threshold || Self::candidates().len() as u32 <= T::MinCandidates::get() {
-					Some(c.who)
-				} else {
-					let outcome = Self::try_remove_candidate(&c.who);
-					if let Err(why) = outcome {
-						log::warn!("Failed to remove candidate {:?}", why);
-						debug_assert!(false, "failed to remove candidate {:?}", why);
+			let new_candidates = candidates
+				.into_iter()
+				.filter_map(|c| {
+					let last_block = <LastAuthoredBlock<T>>::get(c.who.clone());
+					let since_last = now.saturating_sub(last_block);
+					if since_last < kick_threshold ||
+						Self::candidates().len() as u32 <= T::MinCandidates::get()
+					{
+						Some(c.who)
+					} else {
+						let outcome = Self::try_remove_candidate(&c.who);
+						if let Err(why) = outcome {
+							log::warn!("Failed to remove candidate {:?}", why);
+							debug_assert!(false, "failed to remove candidate {:?}", why);
+						}
+						None
 					}
-					None
-				}
-			}).collect::<Vec<_>>();
+				})
+				.collect::<Vec<_>>();
 			new_candidates
 		}
 	}
@@ -423,7 +442,10 @@ pub mod pallet {
 		fn note_author(author: T::AccountId) {
 			let pot = Self::account_id();
 			// assumes an ED will be sent to pot.
-			let reward = T::Currency::free_balance(&pot).checked_sub(&T::Currency::minimum_balance()).unwrap_or_else(Zero::zero).div(2u32.into());
+			let reward = T::Currency::free_balance(&pot)
+				.checked_sub(&T::Currency::minimum_balance())
+				.unwrap_or_else(Zero::zero)
+				.div(2u32.into());
 			// `reward` is half of pot account minus ED, this should never fail.
 			let _success = T::Currency::transfer(&pot, &author, reward, KeepAlive);
 			debug_assert!(_success.is_ok());

pallets/collator-selection/src/mock.rs

@@ -15,19 +15,19 @@
 
 use super::*;
 use crate as collator_selection;
-use sp_core::H256;
 use frame_support::{
-	parameter_types, ord_parameter_types,
+	ord_parameter_types, parameter_types,
 	traits::{FindAuthor, GenesisBuild, ValidatorRegistration},
-	PalletId
+	PalletId,
 };
-use sp_runtime::{
-	RuntimeAppPublic,
-	traits::{BlakeTwo256, IdentityLookup, OpaqueKeys},
-	testing::{Header, UintAuthorityId},
-};
-use frame_system::{EnsureSignedBy};
 use frame_system as system;
+use frame_system::EnsureSignedBy;
+use sp_core::H256;
+use sp_runtime::{
+	testing::{Header, UintAuthorityId},
+	traits::{BlakeTwo256, IdentityLookup, OpaqueKeys},
+	RuntimeAppPublic,
+};
 
 type UncheckedExtrinsic = frame_system::mocking::MockUncheckedExtrinsic<Test>;
 type Block = frame_system::mocking::MockBlock<Test>;
@@ -100,7 +100,8 @@ impl pallet_balances::Config for Test {
 pub struct Author4;
 impl FindAuthor<u64> for Author4 {
 	fn find_author<'a, I>(_digests: I) -> Option<u64>
-		where I: 'a + IntoIterator<Item = (frame_support::ConsensusEngineId, &'a [u8])>,
+	where
+		I: 'a + IntoIterator<Item = (frame_support::ConsensusEngineId, &'a [u8])>,
 	{
 		Some(4)
 	}
@@ -224,22 +225,13 @@ pub fn new_test_ext() -> sp_io::TestExternalities {
 	sp_tracing::try_init_simple();
 	let mut t = frame_system::GenesisConfig::default().build_storage::<Test>().unwrap();
 	let invulnerables = vec![1, 2];
-	let keys = invulnerables.iter().map(|i|
-		(
-			*i,
-			*i,
-			MockSessionKeys { aura: UintAuthorityId(*i) },
-		)
-	).collect::<Vec<_>>();
+	let keys = invulnerables
+		.iter()
+		.map(|i| (*i, *i, MockSessionKeys { aura: UintAuthorityId(*i) }))
+		.collect::<Vec<_>>();
 
 	let balances = pallet_balances::GenesisConfig::<Test> {
-		balances: vec![
-			(1, 100),
-			(2, 100),
-			(3, 100),
-			(4, 100),
-			(5, 100),
-		],
+		balances: vec![(1, 100), (2, 100), (3, 100), (4, 100), (5, 100)],
 	};
 	let collator_selection = collator_selection::GenesisConfig::<Test> {
 		desired_candidates: 2,
@@ -256,7 +248,7 @@ pub fn new_test_ext() -> sp_io::TestExternalities {
 }
 
 pub fn initialize_to_block(n: u64) {
-	for i in System::block_number()+1..=n {
+	for i in System::block_number() + 1..=n {
 		System::set_block_number(i);
 		<AllPallets as frame_support::traits::OnInitialize<u64>>::on_initialize(i);
 	}

pallets/collator-selection/src/tests.rs

@@ -13,15 +13,14 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-
 use crate as collator_selection;
-use crate::{mock::*, Error, CandidateInfo};
+use crate::{mock::*, CandidateInfo, Error};
 use frame_support::{
 	assert_noop, assert_ok,
-	traits::{OnInitialize, Currency, GenesisBuild},
+	traits::{Currency, GenesisBuild, OnInitialize},
 };
-use sp_runtime::traits::BadOrigin;
 use pallet_balances::Error as BalancesError;
+use sp_runtime::traits::BadOrigin;
 
 #[test]
 fn basic_setup_works() {
@@ -59,7 +58,10 @@ fn set_desired_candidates_works() {
 		assert_eq!(CollatorSelection::desired_candidates(), 2);
 
 		// can set
-		assert_ok!(CollatorSelection::set_desired_candidates(Origin::signed(RootAccount::get()), 7));
+		assert_ok!(CollatorSelection::set_desired_candidates(
+			Origin::signed(RootAccount::get()),
+			7
+		));
 		assert_eq!(CollatorSelection::desired_candidates(), 7);
 
 		// rejects bad origin
@@ -239,11 +241,7 @@ fn authorship_event_handler() {
 		// triggers `note_author`
 		Authorship::on_initialize(1);
 
-
-		let collator = CandidateInfo {
-			who: 4,
-			deposit: 10,
-		};
+		let collator = CandidateInfo { who: 4, deposit: 10 };
 
 		assert_eq!(CollatorSelection::candidates(), vec![collator]);
 		assert_eq!(CollatorSelection::last_authored_block(4), 0);
@@ -268,11 +266,7 @@ fn fees_edgecases() {
 		// triggers `note_author`
 		Authorship::on_initialize(1);
 
-
-		let collator = CandidateInfo {
-			who: 4,
-			deposit: 10,
-		};
+		let collator = CandidateInfo { who: 4, deposit: 10 };
 
 		assert_eq!(CollatorSelection::candidates(), vec![collator]);
 		assert_eq!(CollatorSelection::last_authored_block(4), 0);
@@ -334,10 +328,7 @@ fn kick_mechanism() {
 		assert_eq!(CollatorSelection::candidates().len(), 1);
 		// 3 will be kicked after 1 session delay
 		assert_eq!(SessionHandlerCollators::get(), vec![1, 2, 3, 4]);
-		let collator = CandidateInfo {
-			who: 4,
-			deposit: 10,
-		};
+		let collator = CandidateInfo { who: 4, deposit: 10 };
 		assert_eq!(CollatorSelection::candidates(), vec![collator]);
 		assert_eq!(CollatorSelection::last_authored_block(4), 20);
 		initialize_to_block(30);
@@ -362,10 +353,7 @@ fn should_not_kick_mechanism_too_few() {
 		assert_eq!(CollatorSelection::candidates().len(), 1);
 		// 3 will be kicked after 1 session delay
 		assert_eq!(SessionHandlerCollators::get(), vec![1, 2, 3, 5]);
-		let collator = CandidateInfo {
-			who: 5,
-			deposit: 10,
-		};
+		let collator = CandidateInfo { who: 5, deposit: 10 };
 		assert_eq!(CollatorSelection::candidates(), vec![collator]);
 		assert_eq!(CollatorSelection::last_authored_block(4), 20);
 		initialize_to_block(30);
@@ -376,7 +364,6 @@ fn should_not_kick_mechanism_too_few() {
 	});
 }
 
-
 #[test]
 #[should_panic = "duplicate invulnerables in genesis."]
 fn cannot_set_genesis_value_twice() {
@@ -391,5 +378,4 @@ fn cannot_set_genesis_value_twice() {
 	};
 	// collator selection must be initialized before session.
 	collator_selection.assimilate_storage(&mut t).unwrap();
-
 }

pallets/collator-selection/src/weights.rs

@@ -18,7 +18,10 @@
 #![allow(unused_parens)]
 #![allow(unused_imports)]
 
-use frame_support::{traits::Get, weights::{Weight, constants::RocksDbWeight}};
+use frame_support::{
+	traits::Get,
+	weights::{constants::RocksDbWeight, Weight},
+};
 use sp_std::marker::PhantomData;
 
 // The weight info trait for `pallet_collator_selection`.
@@ -35,28 +38,26 @@ pub trait WeightInfo {
 /// Weights for pallet_collator_selection using the Substrate node and recommended hardware.
 pub struct SubstrateWeight<T>(PhantomData<T>);
 impl<T: frame_system::Config> WeightInfo for SubstrateWeight<T> {
-	fn set_invulnerables(b: u32, ) -> Weight {
+	fn set_invulnerables(b: u32) -> Weight {
 		(18_563_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((68_000 as Weight).saturating_mul(b as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
 	fn set_desired_candidates() -> Weight {
-		(16_363_000 as Weight)
-			.saturating_add(T::DbWeight::get().writes(1 as Weight))
+		(16_363_000 as Weight).saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
 	fn set_candidacy_bond() -> Weight {
-		(16_840_000 as Weight)
-			.saturating_add(T::DbWeight::get().writes(1 as Weight))
+		(16_840_000 as Weight).saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn register_as_candidate(c: u32, ) -> Weight {
+	fn register_as_candidate(c: u32) -> Weight {
 		(71_196_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((198_000 as Weight).saturating_mul(c as Weight))
 			.saturating_add(T::DbWeight::get().reads(4 as Weight))
 			.saturating_add(T::DbWeight::get().writes(2 as Weight))
 	}
-	fn leave_intent(c: u32, ) -> Weight {
+	fn leave_intent(c: u32) -> Weight {
 		(55_336_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((151_000 as Weight).saturating_mul(c as Weight))
@@ -68,7 +69,7 @@ impl<T: frame_system::Config> WeightInfo for SubstrateWeight<T> {
 			.saturating_add(T::DbWeight::get().reads(3 as Weight))
 			.saturating_add(T::DbWeight::get().writes(4 as Weight))
 	}
-	fn new_session(r: u32, c: u32, ) -> Weight {
+	fn new_session(r: u32, c: u32) -> Weight {
 		(0 as Weight)
 			// Standard Error: 1_010_000
 			.saturating_add((109_961_000 as Weight).saturating_mul(r as Weight))
@@ -81,31 +82,28 @@ impl<T: frame_system::Config> WeightInfo for SubstrateWeight<T> {
 	}
 }
 
-
 // For backwards compatibility and tests
 impl WeightInfo for () {
-	fn set_invulnerables(b: u32, ) -> Weight {
+	fn set_invulnerables(b: u32) -> Weight {
 		(18_563_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((68_000 as Weight).saturating_mul(b as Weight))
 			.saturating_add(RocksDbWeight::get().writes(1 as Weight))
 	}
 	fn set_desired_candidates() -> Weight {
-		(16_363_000 as Weight)
-			.saturating_add(RocksDbWeight::get().writes(1 as Weight))
+		(16_363_000 as Weight).saturating_add(RocksDbWeight::get().writes(1 as Weight))
 	}
 	fn set_candidacy_bond() -> Weight {
-		(16_840_000 as Weight)
-			.saturating_add(RocksDbWeight::get().writes(1 as Weight))
+		(16_840_000 as Weight).saturating_add(RocksDbWeight::get().writes(1 as Weight))
 	}
-	fn register_as_candidate(c: u32, ) -> Weight {
+	fn register_as_candidate(c: u32) -> Weight {
 		(71_196_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((198_000 as Weight).saturating_mul(c as Weight))
 			.saturating_add(RocksDbWeight::get().reads(4 as Weight))
 			.saturating_add(RocksDbWeight::get().writes(2 as Weight))
 	}
-	fn leave_intent(c: u32, ) -> Weight {
+	fn leave_intent(c: u32) -> Weight {
 		(55_336_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((151_000 as Weight).saturating_mul(c as Weight))
@@ -117,7 +115,7 @@ impl WeightInfo for () {
 			.saturating_add(RocksDbWeight::get().reads(3 as Weight))
 			.saturating_add(RocksDbWeight::get().writes(4 as Weight))
 	}
-	fn new_session(r: u32, c: u32, ) -> Weight {
+	fn new_session(r: u32, c: u32) -> Weight {
 		(0 as Weight)
 			// Standard Error: 1_010_000
 			.saturating_add((109_961_000 as Weight).saturating_mul(r as Weight))

pallets/dmp-queue/src/lib.rs

@@ -21,15 +21,16 @@
 
 #![cfg_attr(not(feature = "std"), no_std)]
 
-use scale_info::TypeInfo;
-use sp_std::{prelude::*, convert::TryFrom};
-use cumulus_primitives_core::relay_chain::BlockNumber as RelayBlockNumber;
-use cumulus_primitives_core::DmpMessageHandler;
-use codec::{Encode, Decode};
-use sp_runtime::RuntimeDebug;
-use xcm::{VersionedXcm, latest::prelude::*};
-use frame_support::{traits::EnsureOrigin, dispatch::Weight, weights::constants::WEIGHT_PER_MILLIS};
+use codec::{Decode, Encode};
+use cumulus_primitives_core::{relay_chain::BlockNumber as RelayBlockNumber, DmpMessageHandler};
+use frame_support::{
+	dispatch::Weight, traits::EnsureOrigin, weights::constants::WEIGHT_PER_MILLIS,
+};
 pub use pallet::*;
+use scale_info::TypeInfo;
+use sp_runtime::RuntimeDebug;
+use sp_std::{convert::TryFrom, prelude::*};
+use xcm::{latest::prelude::*, VersionedXcm};
 
 #[derive(Copy, Clone, Eq, PartialEq, Encode, Decode, RuntimeDebug, TypeInfo)]
 pub struct ConfigData {
@@ -42,7 +43,7 @@ pub struct ConfigData {
 impl Default for ConfigData {
 	fn default() -> Self {
 		Self {
-			max_individual: 10 * WEIGHT_PER_MILLIS,	// 10 ms of execution time maximum by default
+			max_individual: 10 * WEIGHT_PER_MILLIS, // 10 ms of execution time maximum by default
 		}
 	}
 }
@@ -100,23 +101,13 @@ pub mod pallet {
 
 	/// The queue pages.
 	#[pallet::storage]
-	pub(super) type Pages<T> = StorageMap<
-		_,
-		Blake2_128Concat,
-		PageCounter,
-		Vec<(RelayBlockNumber, Vec<u8>)>,
-		ValueQuery,
-	>;
+	pub(super) type Pages<T> =
+		StorageMap<_, Blake2_128Concat, PageCounter, Vec<(RelayBlockNumber, Vec<u8>)>, ValueQuery>;
 
 	/// The overweight messages.
 	#[pallet::storage]
-	pub(super) type Overweight<T> = StorageMap<
-		_,
-		Blake2_128Concat,
-		OverweightIndex,
-		(RelayBlockNumber, Vec<u8>),
-		OptionQuery,
-	>;
+	pub(super) type Overweight<T> =
+		StorageMap<_, Blake2_128Concat, OverweightIndex, (RelayBlockNumber, Vec<u8>), OptionQuery>;
 
 	#[pallet::error]
 	pub enum Error<T> {
@@ -203,13 +194,14 @@ pub mod pallet {
 			while page_index.begin_used < page_index.end_used {
 				let page = Pages::<T>::take(page_index.begin_used);
 				for (i, &(sent_at, ref data)) in page.iter().enumerate() {
-					match Self::try_service_message(limit.saturating_sub(used), sent_at, &data[..]) {
+					match Self::try_service_message(limit.saturating_sub(used), sent_at, &data[..])
+					{
 						Ok(w) => used += w,
 						Err(..) => {
 							// Too much weight needed - put the remaining messages back and bail
 							Pages::<T>::insert(page_index.begin_used, &page[i..]);
-							return used;
-						}
+							return used
+						},
 					}
 				}
 				page_index.begin_used += 1;
@@ -233,8 +225,8 @@ pub mod pallet {
 			data: &[u8],
 		) -> Result<Weight, (MessageId, Weight)> {
 			let id = sp_io::hashing::blake2_256(&data[..]);
-			let maybe_msg = VersionedXcm::<T::Call>::decode(&mut &data[..])
-				.map(Xcm::<T::Call>::try_from);
+			let maybe_msg =
+				VersionedXcm::<T::Call>::decode(&mut &data[..]).map(Xcm::<T::Call>::try_from);
 			match maybe_msg {
 				Err(_) => {
 					Self::deposit_event(Event::InvalidFormat(id));
@@ -247,14 +239,15 @@ pub mod pallet {
 				Ok(Ok(x)) => {
 					let outcome = T::XcmExecutor::execute_xcm(Parent.into(), x, limit);
 					match outcome {
-						Outcome::Error(XcmError::WeightLimitReached(required)) => Err((id, required)),
+						Outcome::Error(XcmError::WeightLimitReached(required)) =>
+							Err((id, required)),
 						outcome => {
 							let weight_used = outcome.weight_used();
 							Self::deposit_event(Event::ExecutedDownward(id, outcome));
 							Ok(weight_used)
-						}
+						},
 					}
-				}
+				},
 			}
 		}
 	}
@@ -264,7 +257,7 @@ pub mod pallet {
 	/// the `Parent` location.
 	impl<T: Config> DmpMessageHandler for Pallet<T> {
 		fn handle_dmp_messages(
-			iter: impl Iterator<Item=(RelayBlockNumber, Vec<u8>)>,
+			iter: impl Iterator<Item = (RelayBlockNumber, Vec<u8>)>,
 			limit: Weight,
 		) -> Weight {
 			let mut page_index = PageIndex::<T>::get();
@@ -290,7 +283,8 @@ pub mod pallet {
 					match Self::try_service_message(remaining, sent_at, &data[..]) {
 						Ok(consumed) => used += consumed,
 						Err((id, required)) =>
-							// Too much weight required right now.
+						// Too much weight required right now.
+						{
 							if required > config.max_individual {
 								// overweight - add to overweight queue and continue with
 								// message execution.
@@ -300,14 +294,17 @@ pub mod pallet {
 								page_index.overweight_count += 1;
 								// Not needed for control flow, but only to ensure that the compiler
 								// understands that we won't attempt to re-use `data` later.
-								continue;
+								continue
 							} else {
 								// not overweight. stop executing inline and enqueue normally
 								// from here on.
 								let item_count_left = item_count.saturating_sub(i);
 								maybe_enqueue_page = Some(Vec::with_capacity(item_count_left));
-								Self::deposit_event(Event::WeightExhausted(id, remaining, required));
+								Self::deposit_event(Event::WeightExhausted(
+									id, remaining, required,
+								));
 							}
+						}
 					}
 				}
 				// Cannot be an `else` here since the `maybe_enqueue_page` may have changed.
@@ -333,14 +330,17 @@ mod tests {
 	use super::*;
 	use crate as dmp_queue;
 
-	use std::cell::RefCell;
 	use codec::Encode;
 	use cumulus_primitives_core::ParaId;
-	use frame_support::{parameter_types, assert_noop, traits::OnIdle};
+	use frame_support::{assert_noop, parameter_types, traits::OnIdle};
 	use sp_core::H256;
-	use sp_runtime::{testing::Header, traits::{IdentityLookup, BlakeTwo256}};
-	use sp_runtime::DispatchError::BadOrigin;
+	use sp_runtime::{
+		testing::Header,
+		traits::{BlakeTwo256, IdentityLookup},
+		DispatchError::BadOrigin,
+	};
 	use sp_version::RuntimeVersion;
+	use std::cell::RefCell;
 	use xcm::latest::{MultiLocation, OriginKind};
 
 	type UncheckedExtrinsic = frame_system::mocking::MockUncheckedExtrinsic<Test>;
@@ -451,9 +451,12 @@ mod tests {
 	fn enqueue(enqueued: &[Xcm]) {
 		if !enqueued.is_empty() {
 			let mut index = PageIndex::<Test>::get();
-			Pages::<Test>::insert(index.end_used, enqueued.iter()
-				.map(|m| (0, VersionedXcm::<Call>::from(m.clone()).encode()))
-				.collect::<Vec<_>>()
+			Pages::<Test>::insert(
+				index.end_used,
+				enqueued
+					.iter()
+					.map(|m| (0, VersionedXcm::<Call>::from(m.clone()).encode()))
+					.collect::<Vec<_>>(),
 			);
 			index.end_used += 1;
 			PageIndex::<Test>::put(index);
@@ -508,7 +511,7 @@ mod tests {
 	#[test]
 	fn service_inline_complete_works() {
 		new_test_ext().execute_with(|| {
-			let incoming = vec![ msg(1000), msg(1001) ];
+			let incoming = vec![msg(1000), msg(1001)];
 			let weight_used = handle_messages(&incoming, 2500);
 			assert_eq!(weight_used, 2001);
 			assert_eq!(take_trace(), vec![msg_complete(1000), msg_complete(1001)]);
@@ -519,41 +522,40 @@ mod tests {
 	#[test]
 	fn service_enqueued_works() {
 		new_test_ext().execute_with(|| {
-			let enqueued = vec![ msg(1000), msg(1001), msg(1002) ];
+			let enqueued = vec![msg(1000), msg(1001), msg(1002)];
 			enqueue(&enqueued);
 			let weight_used = handle_messages(&[], 2500);
 			assert_eq!(weight_used, 2001);
-			assert_eq!(take_trace(), vec![
-				msg_complete(1000),
-				msg_complete(1001),
-				msg_limit_reached(1002),
-			]);
+			assert_eq!(
+				take_trace(),
+				vec![msg_complete(1000), msg_complete(1001), msg_limit_reached(1002),]
+			);
 		});
 	}
 
 	#[test]
 	fn enqueue_works() {
 		new_test_ext().execute_with(|| {
-			let incoming = vec![ msg(1000), msg(1001), msg(1002) ];
+			let incoming = vec![msg(1000), msg(1001), msg(1002)];
 			let weight_used = handle_messages(&incoming, 999);
 			assert_eq!(weight_used, 0);
-			assert_eq!(PageIndex::<Test>::get(), PageIndexData { begin_used: 0, end_used: 1, overweight_count: 0});
+			assert_eq!(
+				PageIndex::<Test>::get(),
+				PageIndexData { begin_used: 0, end_used: 1, overweight_count: 0 }
+			);
 			assert_eq!(Pages::<Test>::get(0).len(), 3);
-			assert_eq!(take_trace(), vec![ msg_limit_reached(1000) ]);
+			assert_eq!(take_trace(), vec![msg_limit_reached(1000)]);
 
 			let weight_used = handle_messages(&[], 2500);
 			assert_eq!(weight_used, 2001);
-			assert_eq!(take_trace(), vec![
-				msg_complete(1000),
-				msg_complete(1001),
-				msg_limit_reached(1002),
-			]);
+			assert_eq!(
+				take_trace(),
+				vec![msg_complete(1000), msg_complete(1001), msg_limit_reached(1002),]
+			);
 
 			let weight_used = handle_messages(&[], 2500);
 			assert_eq!(weight_used, 1002);
-			assert_eq!(take_trace(), vec![
-				msg_complete(1002),
-			]);
+			assert_eq!(take_trace(), vec![msg_complete(1002),]);
 			assert!(queue_is_empty());
 		});
 	}
@@ -561,22 +563,16 @@ mod tests {
 	#[test]
 	fn service_inline_then_enqueue_works() {
 		new_test_ext().execute_with(|| {
-			let incoming = vec![ msg(1000), msg(1001), msg(1002) ];
+			let incoming = vec![msg(1000), msg(1001), msg(1002)];
 			let weight_used = handle_messages(&incoming, 1500);
 			assert_eq!(weight_used, 1000);
 			assert_eq!(pages_queued(), 1);
 			assert_eq!(Pages::<Test>::get(0).len(), 2);
-			assert_eq!(take_trace(), vec![
-				msg_complete(1000),
-				msg_limit_reached(1001),
-			]);
+			assert_eq!(take_trace(), vec![msg_complete(1000), msg_limit_reached(1001),]);
 
 			let weight_used = handle_messages(&[], 2500);
 			assert_eq!(weight_used, 2003);
-			assert_eq!(take_trace(), vec![
-				msg_complete(1001),
-				msg_complete(1002),
-			]);
+			assert_eq!(take_trace(), vec![msg_complete(1001), msg_complete(1002),]);
 			assert!(queue_is_empty());
 		});
 	}
@@ -584,17 +580,20 @@ mod tests {
 	#[test]
 	fn service_enqueued_and_inline_works() {
 		new_test_ext().execute_with(|| {
-			let enqueued = vec![ msg(1000), msg(1001) ];
-			let incoming = vec![ msg(1002), msg(1003) ];
+			let enqueued = vec![msg(1000), msg(1001)];
+			let incoming = vec![msg(1002), msg(1003)];
 			enqueue(&enqueued);
 			let weight_used = handle_messages(&incoming, 5000);
 			assert_eq!(weight_used, 4006);
-			assert_eq!(take_trace(), vec![
-				msg_complete(1000),
-				msg_complete(1001),
-				msg_complete(1002),
-				msg_complete(1003),
-			]);
+			assert_eq!(
+				take_trace(),
+				vec![
+					msg_complete(1000),
+					msg_complete(1001),
+					msg_complete(1002),
+					msg_complete(1003),
+				]
+			);
 			assert!(queue_is_empty());
 		});
 	}
@@ -602,32 +601,26 @@ mod tests {
 	#[test]
 	fn service_enqueued_partially_and_then_enqueue_works() {
 		new_test_ext().execute_with(|| {
-			let enqueued = vec![ msg(1000), msg(10001) ];
-			let incoming = vec![ msg(1002), msg(1003) ];
+			let enqueued = vec![msg(1000), msg(10001)];
+			let incoming = vec![msg(1002), msg(1003)];
 			enqueue(&enqueued);
 			let weight_used = handle_messages(&incoming, 5000);
 			assert_eq!(weight_used, 1000);
-			assert_eq!(take_trace(), vec![
-				msg_complete(1000),
-				msg_limit_reached(10001),
-			]);
+			assert_eq!(take_trace(), vec![msg_complete(1000), msg_limit_reached(10001),]);
 			assert_eq!(pages_queued(), 2);
 
 			// 5000 is not enough to process the 10001 blocker, so nothing happens.
 			let weight_used = handle_messages(&[], 5000);
 			assert_eq!(weight_used, 0);
-			assert_eq!(take_trace(), vec![
-				msg_limit_reached(10001),
-			]);
+			assert_eq!(take_trace(), vec![msg_limit_reached(10001),]);
 
 			// 20000 is now enough to process everything.
 			let weight_used = handle_messages(&[], 20000);
 			assert_eq!(weight_used, 12006);
-			assert_eq!(take_trace(), vec![
-				msg_complete(10001),
-				msg_complete(1002),
-				msg_complete(1003),
-			]);
+			assert_eq!(
+				take_trace(),
+				vec![msg_complete(10001), msg_complete(1002), msg_complete(1003),]
+			);
 			assert!(queue_is_empty());
 		});
 	}
@@ -635,25 +628,21 @@ mod tests {
 	#[test]
 	fn service_enqueued_completely_and_then_enqueue_works() {
 		new_test_ext().execute_with(|| {
-			let enqueued = vec![ msg(1000), msg(1001) ];
-			let incoming = vec![ msg(10002), msg(1003) ];
+			let enqueued = vec![msg(1000), msg(1001)];
+			let incoming = vec![msg(10002), msg(1003)];
 			enqueue(&enqueued);
 			let weight_used = handle_messages(&incoming, 5000);
 			assert_eq!(weight_used, 2001);
-			assert_eq!(take_trace(), vec![
-				msg_complete(1000),
-				msg_complete(1001),
-				msg_limit_reached(10002),
-			]);
+			assert_eq!(
+				take_trace(),
+				vec![msg_complete(1000), msg_complete(1001), msg_limit_reached(10002),]
+			);
 			assert_eq!(pages_queued(), 1);
 
 			// 20000 is now enough to process everything.
 			let weight_used = handle_messages(&[], 20000);
 			assert_eq!(weight_used, 11005);
-			assert_eq!(take_trace(), vec![
-				msg_complete(10002),
-				msg_complete(1003),
-			]);
+			assert_eq!(take_trace(), vec![msg_complete(10002), msg_complete(1003),]);
 			assert!(queue_is_empty());
 		});
 	}
@@ -661,25 +650,26 @@ mod tests {
 	#[test]
 	fn service_enqueued_then_inline_then_enqueue_works() {
 		new_test_ext().execute_with(|| {
-			let enqueued = vec![ msg(1000), msg(1001) ];
-			let incoming = vec![ msg(1002), msg(10003) ];
+			let enqueued = vec![msg(1000), msg(1001)];
+			let incoming = vec![msg(1002), msg(10003)];
 			enqueue(&enqueued);
 			let weight_used = handle_messages(&incoming, 5000);
 			assert_eq!(weight_used, 3003);
-			assert_eq!(take_trace(), vec![
-				msg_complete(1000),
-				msg_complete(1001),
-				msg_complete(1002),
-				msg_limit_reached(10003),
-			]);
+			assert_eq!(
+				take_trace(),
+				vec![
+					msg_complete(1000),
+					msg_complete(1001),
+					msg_complete(1002),
+					msg_limit_reached(10003),
+				]
+			);
 			assert_eq!(pages_queued(), 1);
 
 			// 20000 is now enough to process everything.
 			let weight_used = handle_messages(&[], 20000);
 			assert_eq!(weight_used, 10003);
-			assert_eq!(take_trace(), vec![
-				msg_complete(10003),
-			]);
+			assert_eq!(take_trace(), vec![msg_complete(10003),]);
 			assert!(queue_is_empty());
 		});
 	}
@@ -687,32 +677,23 @@ mod tests {
 	#[test]
 	fn page_crawling_works() {
 		new_test_ext().execute_with(|| {
-			let enqueued = vec![ msg(1000), msg(1001) ];
+			let enqueued = vec![msg(1000), msg(1001)];
 			enqueue(&enqueued);
-			let weight_used = handle_messages(&vec![ msg(1002) ], 1500);
+			let weight_used = handle_messages(&vec![msg(1002)], 1500);
 			assert_eq!(weight_used, 1000);
-			assert_eq!(take_trace(), vec![
-				msg_complete(1000),
-				msg_limit_reached(1001),
-			]);
+			assert_eq!(take_trace(), vec![msg_complete(1000), msg_limit_reached(1001),]);
 			assert_eq!(pages_queued(), 2);
 			assert_eq!(PageIndex::<Test>::get().begin_used, 0);
 
-			let weight_used = handle_messages(&vec![ msg(1003) ], 1500);
+			let weight_used = handle_messages(&vec![msg(1003)], 1500);
 			assert_eq!(weight_used, 1001);
-			assert_eq!(take_trace(), vec![
-				msg_complete(1001),
-				msg_limit_reached(1002),
-			]);
+			assert_eq!(take_trace(), vec![msg_complete(1001), msg_limit_reached(1002),]);
 			assert_eq!(pages_queued(), 2);
 			assert_eq!(PageIndex::<Test>::get().begin_used, 1);
 
-			let weight_used = handle_messages(&vec![ msg(1004) ], 1500);
+			let weight_used = handle_messages(&vec![msg(1004)], 1500);
 			assert_eq!(weight_used, 1002);
-			assert_eq!(take_trace(), vec![
-				msg_complete(1002),
-				msg_limit_reached(1003),
-			]);
+			assert_eq!(take_trace(), vec![msg_complete(1002), msg_limit_reached(1003),]);
 			assert_eq!(pages_queued(), 2);
 			assert_eq!(PageIndex::<Test>::get().begin_used, 2);
 		});
@@ -724,15 +705,14 @@ mod tests {
 			// Set the overweight threshold to 9999.
 			Configuration::<Test>::put(ConfigData { max_individual: 9999 });
 
-			let incoming = vec![ msg(1000), msg(10001), msg(1002) ];
+			let incoming = vec![msg(1000), msg(10001), msg(1002)];
 			let weight_used = handle_messages(&incoming, 2500);
 			assert_eq!(weight_used, 2002);
 			assert!(queue_is_empty());
-			assert_eq!(take_trace(), vec![
-				msg_complete(1000),
-				msg_limit_reached(10001),
-				msg_complete(1002),
-			]);
+			assert_eq!(
+				take_trace(),
+				vec![msg_complete(1000), msg_limit_reached(10001), msg_complete(1002),]
+			);
 
 			assert_eq!(overweights(), vec![0]);
 		});
@@ -744,49 +724,60 @@ mod tests {
 			// Set the overweight threshold to 9999.
 			Configuration::<Test>::put(ConfigData { max_individual: 9999 });
 
-			let incoming = vec![ msg(10000) ];
+			let incoming = vec![msg(10000)];
 			let weight_used = handle_messages(&incoming, 2500);
 			assert_eq!(weight_used, 0);
-			assert_eq!(take_trace(), vec![ msg_limit_reached(10000) ]);
+			assert_eq!(take_trace(), vec![msg_limit_reached(10000)]);
 			assert_eq!(overweights(), vec![0]);
 
 			assert_noop!(DmpQueue::service_overweight(Origin::signed(1), 0, 20000), BadOrigin);
-			assert_noop!(DmpQueue::service_overweight(Origin::root(), 1, 20000), Error::<Test>::Unknown);
-			assert_noop!(DmpQueue::service_overweight(Origin::root(), 0, 9999), Error::<Test>::OverLimit);
-			assert_eq!(take_trace(), vec![ msg_limit_reached(10000) ]);
+			assert_noop!(
+				DmpQueue::service_overweight(Origin::root(), 1, 20000),
+				Error::<Test>::Unknown
+			);
+			assert_noop!(
+				DmpQueue::service_overweight(Origin::root(), 0, 9999),
+				Error::<Test>::OverLimit
+			);
+			assert_eq!(take_trace(), vec![msg_limit_reached(10000)]);
 
-			let base_weight = super::Call::<Test>::service_overweight {
-				index: 0,
-				weight_limit: 0,
-			}.get_dispatch_info().weight;
+			let base_weight = super::Call::<Test>::service_overweight { index: 0, weight_limit: 0 }
+				.get_dispatch_info()
+				.weight;
 			use frame_support::weights::GetDispatchInfo;
 			let info = DmpQueue::service_overweight(Origin::root(), 0, 20000).unwrap();
 			let actual_weight = info.actual_weight.unwrap();
 			assert_eq!(actual_weight, base_weight + 10000);
-			assert_eq!(take_trace(), vec![ msg_complete(10000) ]);
+			assert_eq!(take_trace(), vec![msg_complete(10000)]);
 			assert!(overweights().is_empty());
 
-			assert_noop!(DmpQueue::service_overweight(Origin::root(), 0, 20000), Error::<Test>::Unknown);
+			assert_noop!(
+				DmpQueue::service_overweight(Origin::root(), 0, 20000),
+				Error::<Test>::Unknown
+			);
 		});
 	}
 
 	#[test]
 	fn on_idle_should_service_queue() {
 		new_test_ext().execute_with(|| {
-			enqueue(&vec![ msg(1000), msg(1001) ]);
-			enqueue(&vec![ msg(1002), msg(1003) ]);
-			enqueue(&vec![ msg(1004), msg(1005) ]);
+			enqueue(&vec![msg(1000), msg(1001)]);
+			enqueue(&vec![msg(1002), msg(1003)]);
+			enqueue(&vec![msg(1004), msg(1005)]);
 
 			let weight_used = DmpQueue::on_idle(1, 6000);
 			assert_eq!(weight_used, 5010);
-			assert_eq!(take_trace(), vec![
-				msg_complete(1000),
-				msg_complete(1001),
-				msg_complete(1002),
-				msg_complete(1003),
-				msg_complete(1004),
-				msg_limit_reached(1005),
-			]);
+			assert_eq!(
+				take_trace(),
+				vec![
+					msg_complete(1000),
+					msg_complete(1001),
+					msg_complete(1002),
+					msg_complete(1003),
+					msg_complete(1004),
+					msg_limit_reached(1005),
+				]
+			);
 			assert_eq!(pages_queued(), 1);
 		});
 	}

pallets/parachain-system/proc-macro/src/lib.rs

@@ -69,13 +69,13 @@ impl Parse for Input {
 			} else if lookahead.peek(keywords::CheckInherents) {
 				parse_inner::<keywords::CheckInherents>(input, &mut check_inherents)?;
 			} else {
-				return Err(lookahead.error());
+				return Err(lookahead.error())
 			}
 		}
 
 		let rest = input.parse::<TokenStream>()?;
 		if !rest.is_empty() {
-			return Err(Error::new(rest.span(), "Unexpected input data"));
+			return Err(Error::new(rest.span(), "Unexpected input data"))
 		}
 
 		Ok(Self {
@@ -88,10 +88,8 @@ impl Parse for Input {
 
 fn crate_() -> Result<Ident, Error> {
 	match crate_name("cumulus-pallet-parachain-system") {
-		Ok(FoundCrate::Itself) => Ok(syn::Ident::new(
-			"cumulus_pallet_parachain_system",
-			Span::call_site(),
-		)),
+		Ok(FoundCrate::Itself) =>
+			Ok(syn::Ident::new("cumulus_pallet_parachain_system", Span::call_site())),
 		Ok(FoundCrate::Name(name)) => Ok(Ident::new(&name, Span::call_site())),
 		Err(e) => Err(Error::new(Span::call_site(), e)),
 	}
@@ -99,11 +97,7 @@ fn crate_() -> Result<Ident, Error> {
 
 #[proc_macro]
 pub fn register_validate_block(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
-	let Input {
-		runtime,
-		check_inherents,
-		block_executor,
-	} = match syn::parse(input) {
+	let Input { runtime, check_inherents, block_executor } = match syn::parse(input) {
 		Ok(t) => t,
 		Err(e) => return e.into_compile_error().into(),
 	};

pallets/parachain-system/src/lib.rs

@@ -144,8 +144,8 @@ pub mod pallet {
 						false,
 						"host configuration is promised to set until `on_finalize`; qed",
 					);
-					return;
-				}
+					return
+				},
 			};
 			let relevant_messaging_state = match Self::relevant_messaging_state() {
 				Some(ok) => ok,
@@ -155,8 +155,8 @@ pub mod pallet {
 						"relevant messaging state is promised to be set until `on_finalize`; \
 							qed",
 					);
-					return;
-				}
+					return
+				},
 			};
 
 			<PendingUpwardMessages<T>>::mutate(|up| {
@@ -172,19 +172,16 @@ pub mod pallet {
 				// available_capacity and available_size.
 				let num = up
 					.iter()
-					.scan(
-						(available_capacity as usize, available_size as usize),
-						|state, msg| {
-							let (cap_left, size_left) = *state;
-							match (cap_left.checked_sub(1), size_left.checked_sub(msg.len())) {
-								(Some(new_cap), Some(new_size)) => {
-									*state = (new_cap, new_size);
-									Some(())
-								}
-								_ => None,
-							}
-						},
-					)
+					.scan((available_capacity as usize, available_size as usize), |state, msg| {
+						let (cap_left, size_left) = *state;
+						match (cap_left.checked_sub(1), size_left.checked_sub(msg.len())) {
+							(Some(new_cap), Some(new_size)) => {
+								*state = (new_cap, new_size);
+								Some(())
+							},
+							_ => None,
+						}
+					})
 					.count();
 
 				// TODO: #274 Return back messages that do not longer fit into the queue.
@@ -366,10 +363,7 @@ pub mod pallet {
 				vfp.relay_parent_number,
 			);
 
-			Ok(PostDispatchInfo {
-				actual_weight: Some(total_weight),
-				pays_fee: Pays::No,
-			})
+			Ok(PostDispatchInfo { actual_weight: Some(total_weight), pays_fee: Pays::No })
 		}
 
 		#[pallet::weight((1_000, DispatchClass::Operational))]
@@ -572,11 +566,10 @@ pub mod pallet {
 			cumulus_primitives_parachain_inherent::INHERENT_IDENTIFIER;
 
 		fn create_inherent(data: &InherentData) -> Option<Self::Call> {
-			let data: ParachainInherentData = data
-				.get_data(&Self::INHERENT_IDENTIFIER)
-				.ok()
-				.flatten()
-				.expect("validation function params are always injected into inherent data; qed");
+			let data: ParachainInherentData =
+				data.get_data(&Self::INHERENT_IDENTIFIER).ok().flatten().expect(
+					"validation function params are always injected into inherent data; qed",
+				);
 
 			Some(Call::set_validation_data { data })
 		}
@@ -611,11 +604,11 @@ pub mod pallet {
 						provides: vec![hash.as_ref().to_vec()],
 						longevity: TransactionLongevity::max_value(),
 						propagate: true,
-					});
+					})
 				}
 			}
 			if let Call::set_validation_data { .. } = call {
-				return Ok(Default::default());
+				return Ok(Default::default())
 			}
 			Err(InvalidTransaction::Call.into())
 		}
@@ -650,8 +643,8 @@ impl<T: Config> GetChannelInfo for Pallet<T> {
 		let channels = match Self::relevant_messaging_state() {
 			None => {
 				log::warn!("calling `get_channel_status` with no RelevantMessagingState?!");
-				return ChannelStatus::Closed;
-			}
+				return ChannelStatus::Closed
+			},
 			Some(d) => d.egress_channels,
 		};
 		// ^^^ NOTE: This storage field should carry over from the previous block. So if it's
@@ -667,7 +660,7 @@ impl<T: Config> GetChannelInfo for Pallet<T> {
 		let meta = &channels[index].1;
 		if meta.msg_count + 1 > meta.max_capacity {
 			// The channel is at its capacity. Skip it for now.
-			return ChannelStatus::Full;
+			return ChannelStatus::Full
 		}
 		let max_size_now = meta.max_total_size - meta.total_size;
 		let max_size_ever = meta.max_message_size;
@@ -771,9 +764,7 @@ impl<T: Config> Pallet<T> {
 			// A violation of the assertion below indicates that one of the messages submitted
 			// by the collator was sent from a sender that doesn't have a channel opened to
 			// this parachain, according to the relay-parent state.
-			assert!(ingress_channels
-				.binary_search_by_key(sender, |&(s, _)| s)
-				.is_ok(),);
+			assert!(ingress_channels.binary_search_by_key(sender, |&(s, _)| s).is_ok(),);
 		}
 
 		// Second, prepare horizontal messages for a more convenient processing:
@@ -787,9 +778,7 @@ impl<T: Config> Pallet<T> {
 		let mut horizontal_messages = horizontal_messages
 			.into_iter()
 			.flat_map(|(sender, channel_contents)| {
-				channel_contents
-					.into_iter()
-					.map(move |message| (sender, message))
+				channel_contents.into_iter().map(move |message| (sender, message))
 			})
 			.collect::<Vec<_>>();
 		horizontal_messages.sort_by(|a, b| {
@@ -806,10 +795,7 @@ impl<T: Config> Pallet<T> {
 
 		{
 			for (sender, ref horizontal_message) in &horizontal_messages {
-				if hrmp_watermark
-					.map(|w| w < horizontal_message.sent_at)
-					.unwrap_or(true)
-				{
+				if hrmp_watermark.map(|w| w < horizontal_message.sent_at).unwrap_or(true) {
 					hrmp_watermark = Some(horizontal_message.sent_at);
 				}
 
@@ -882,16 +868,15 @@ impl<T: Config> Pallet<T> {
 	) -> Option<relay_chain::BlockNumber> {
 		if <PendingRelayChainBlockNumber<T>>::get().is_some() {
 			// There is already upgrade scheduled. Upgrade is not allowed.
-			return None;
+			return None
 		}
 
-		let relay_blocks_since_last_upgrade = vfp
-			.relay_parent_number
-			.saturating_sub(<LastUpgrade<T>>::get());
+		let relay_blocks_since_last_upgrade =
+			vfp.relay_parent_number.saturating_sub(<LastUpgrade<T>>::get());
 
 		if relay_blocks_since_last_upgrade <= cfg.validation_upgrade_frequency {
 			// The cooldown after the last upgrade hasn't elapsed yet. Upgrade is not allowed.
-			return None;
+			return None
 		}
 
 		Some(vfp.relay_parent_number + cfg.validation_upgrade_delay)
@@ -899,16 +884,10 @@ impl<T: Config> Pallet<T> {
 
 	/// The implementation of the runtime upgrade functionality for parachains.
 	fn set_code_impl(validation_function: Vec<u8>) -> DispatchResult {
-		ensure!(
-			!<PendingValidationCode<T>>::exists(),
-			Error::<T>::OverlappingUpgrades
-		);
+		ensure!(!<PendingValidationCode<T>>::exists(), Error::<T>::OverlappingUpgrades);
 		let vfp = Self::validation_data().ok_or(Error::<T>::ValidationDataNotAvailable)?;
 		let cfg = Self::host_configuration().ok_or(Error::<T>::HostConfigurationNotAvailable)?;
-		ensure!(
-			validation_function.len() <= cfg.max_code_size as usize,
-			Error::<T>::TooBig
-		);
+		ensure!(validation_function.len() <= cfg.max_code_size as usize, Error::<T>::TooBig);
 		let apply_block =
 			Self::code_upgrade_allowed(&vfp, &cfg).ok_or(Error::<T>::ProhibitedByPolkadot)?;
 
@@ -1002,11 +981,10 @@ impl<T: Config> Pallet<T> {
 		//
 		// However, changing this setting is expected to be rare.
 		match Self::host_configuration() {
-			Some(cfg) => {
+			Some(cfg) =>
 				if message.len() > cfg.max_upward_message_size as usize {
-					return Err(MessageSendError::TooBig);
-				}
-			}
+					return Err(MessageSendError::TooBig)
+				},
 			None => {
 				// This storage field should carry over from the previous block. So if it's None
 				// then it must be that this is an edge-case where a message is attempted to be
@@ -1017,7 +995,7 @@ impl<T: Config> Pallet<T> {
 				// returned back to the sender.
 				//
 				// Thus fall through here.
-			}
+			},
 		};
 		<PendingUpwardMessages<T>>::append(message);
 		Ok(0)

pallets/parachain-system/src/relay_state_snapshot.rs

@@ -19,11 +19,10 @@ use cumulus_primitives_core::{
 	relay_chain, AbridgedHostConfiguration, AbridgedHrmpChannel, ParaId,
 };
 use scale_info::TypeInfo;
-use sp_trie::{MemoryDB, HashDBT, EMPTY_PREFIX};
 use sp_runtime::traits::HashFor;
 use sp_state_machine::{Backend, TrieBackend};
 use sp_std::vec::Vec;
-use sp_trie::StorageProof;
+use sp_trie::{HashDBT, MemoryDB, StorageProof, EMPTY_PREFIX};
 
 /// A snapshot of some messaging related state of relay chain pertaining to the current parachain.
 ///
@@ -130,14 +129,11 @@ impl RelayChainStateProof {
 	) -> Result<Self, Error> {
 		let db = proof.into_memory_db::<HashFor<relay_chain::Block>>();
 		if !db.contains(&relay_parent_storage_root, EMPTY_PREFIX) {
-			return Err(Error::RootMismatch);
+			return Err(Error::RootMismatch)
 		}
 		let trie_backend = TrieBackend::new(db, relay_parent_storage_root);
 
-		Ok(Self {
-			para_id,
-			trie_backend,
-		})
+		Ok(Self { para_id, trie_backend })
 	}
 
 	/// Read the [`MessagingStateSnapshot`] from the relay chain state proof.
@@ -174,10 +170,7 @@ impl RelayChainStateProof {
 
 		let mut ingress_channels = Vec::with_capacity(ingress_channel_index.len());
 		for sender in ingress_channel_index {
-			let channel_id = relay_chain::v1::HrmpChannelId {
-				sender,
-				recipient: self.para_id,
-			};
+			let channel_id = relay_chain::v1::HrmpChannelId { sender, recipient: self.para_id };
 			let hrmp_channel: AbridgedHrmpChannel = read_entry(
 				&self.trie_backend,
 				&relay_chain::well_known_keys::hrmp_channels(channel_id),
@@ -189,10 +182,7 @@ impl RelayChainStateProof {
 
 		let mut egress_channels = Vec::with_capacity(egress_channel_index.len());
 		for recipient in egress_channel_index {
-			let channel_id = relay_chain::v1::HrmpChannelId {
-				sender: self.para_id,
-				recipient,
-			};
+			let channel_id = relay_chain::v1::HrmpChannelId { sender: self.para_id, recipient };
 			let hrmp_channel: AbridgedHrmpChannel = read_entry(
 				&self.trie_backend,
 				&relay_chain::well_known_keys::hrmp_channels(channel_id),
@@ -226,6 +216,7 @@ impl RelayChainStateProof {
 	///
 	/// Returns an error if anything failed at reading or decoding.
 	pub fn read_slot(&self) -> Result<relay_chain::v1::Slot, Error> {
-		read_entry(&self.trie_backend, relay_chain::well_known_keys::CURRENT_SLOT, None).map_err(Error::Slot)
+		read_entry(&self.trie_backend, relay_chain::well_known_keys::CURRENT_SLOT, None)
+			.map_err(Error::Slot)
 	}
 }

pallets/parachain-system/src/tests.rs

@@ -17,17 +17,17 @@ use super::*;
 
 use codec::Encode;
 use cumulus_primitives_core::{
-	AbridgedHrmpChannel, InboundDownwardMessage, InboundHrmpMessage, PersistedValidationData,
-	relay_chain::BlockNumber as RelayBlockNumber,
+	relay_chain::BlockNumber as RelayBlockNumber, AbridgedHrmpChannel, InboundDownwardMessage,
+	InboundHrmpMessage, PersistedValidationData,
 };
 use cumulus_test_relay_sproof_builder::RelayStateSproofBuilder;
 use frame_support::{
 	assert_ok,
 	dispatch::UnfilteredDispatchable,
+	inherent::{InherentData, ProvideInherent},
 	parameter_types,
 	traits::{OnFinalize, OnInitialize},
 	weights::Weight,
-	inherent::{InherentData, ProvideInherent},
 };
 use frame_system::{InitKind, RawOrigin};
 use hex_literal::hex;
@@ -113,10 +113,7 @@ std::thread_local! {
 	static SENT_MESSAGES: RefCell<Vec<(ParaId, Vec<u8>)>> = RefCell::new(Vec::new());
 }
 
-fn send_message(
-	dest: ParaId,
-	message: Vec<u8>,
-) {
+fn send_message(dest: ParaId, message: Vec<u8>) {
 	SENT_MESSAGES.with(|m| m.borrow_mut().push((dest, message)));
 }
 
@@ -125,9 +122,9 @@ impl XcmpMessageSource for FromThreadLocal {
 		let mut ids = std::collections::BTreeSet::<ParaId>::new();
 		let mut taken = 0;
 		let mut result = Vec::new();
-		SENT_MESSAGES.with(|ms| ms.borrow_mut()
-			.retain(|m| {
-				let status = <Pallet::<Test> as GetChannelInfo>::get_channel_status(m.0);
+		SENT_MESSAGES.with(|ms| {
+			ms.borrow_mut().retain(|m| {
+				let status = <Pallet<Test> as GetChannelInfo>::get_channel_status(m.0);
 				let ready = matches!(status, ChannelStatus::Ready(..));
 				if ready && !ids.contains(&m.0) && taken < maximum_channels {
 					ids.insert(m.0);
@@ -138,14 +135,14 @@ impl XcmpMessageSource for FromThreadLocal {
 					true
 				}
 			})
-		);
+		});
 		result
 	}
 }
 
 impl DmpMessageHandler for SaveIntoThreadLocal {
 	fn handle_dmp_messages(
-		iter: impl Iterator<Item=(RelayBlockNumber, Vec<u8>)>,
+		iter: impl Iterator<Item = (RelayBlockNumber, Vec<u8>)>,
 		_max_weight: Weight,
 	) -> Weight {
 		HANDLED_DMP_MESSAGES.with(|m| {
@@ -158,7 +155,7 @@ impl DmpMessageHandler for SaveIntoThreadLocal {
 }
 
 impl XcmpMessageHandler for SaveIntoThreadLocal {
-	fn handle_xcmp_messages<'a, I: Iterator<Item=(ParaId, RelayBlockNumber, &'a [u8])>>(
+	fn handle_xcmp_messages<'a, I: Iterator<Item = (ParaId, RelayBlockNumber, &'a [u8])>>(
 		iter: I,
 		_max_weight: Weight,
 	) -> Weight {
@@ -177,10 +174,7 @@ fn new_test_ext() -> sp_io::TestExternalities {
 	HANDLED_DMP_MESSAGES.with(|m| m.borrow_mut().clear());
 	HANDLED_XCMP_MESSAGES.with(|m| m.borrow_mut().clear());
 
-	frame_system::GenesisConfig::default()
-		.build_storage::<Test>()
-		.unwrap()
-		.into()
+	frame_system::GenesisConfig::default().build_storage::<Test>().unwrap().into()
 }
 
 struct ReadRuntimeVersion(Vec<u8>);
@@ -204,9 +198,9 @@ fn wasm_ext() -> sp_io::TestExternalities {
 	};
 
 	let mut ext = new_test_ext();
-	ext.register_extension(sp_core::traits::ReadRuntimeVersionExt::new(
-		ReadRuntimeVersion(version.encode()),
-	));
+	ext.register_extension(sp_core::traits::ReadRuntimeVersionExt::new(ReadRuntimeVersion(
+		version.encode(),
+	)));
 	ext
 }
 
@@ -247,11 +241,7 @@ impl BlockTests {
 	where
 		F: 'static + Fn(),
 	{
-		self.add_raw(BlockTest {
-			n,
-			within_block: Box::new(within_block),
-			after_block: None,
-		})
+		self.add_raw(BlockTest { n, within_block: Box::new(within_block), after_block: None })
 	}
 
 	fn add_with_post_test<F1, F2>(
@@ -299,12 +289,7 @@ impl BlockTests {
 	fn run(&mut self) {
 		self.ran = true;
 		wasm_ext().execute_with(|| {
-			for BlockTest {
-				n,
-				within_block,
-				after_block,
-			} in self.tests.iter()
-			{
+			for BlockTest { n, within_block, after_block } in self.tests.iter() {
 				// clear pending updates, as applicable
 				if let Some(upgrade_block) = self.pending_upgrade {
 					if n >= &upgrade_block.into() {
@@ -313,12 +298,7 @@ impl BlockTests {
 				}
 
 				// begin initialization
-				System::initialize(
-					&n,
-					&Default::default(),
-					&Default::default(),
-					InitKind::Full,
-				);
+				System::initialize(&n, &Default::default(), &Default::default(), InitKind::Full);
 
 				// now mess with the storage the way validate_block does
 				let mut sproof_builder = RelayStateSproofBuilder::default();
@@ -398,9 +378,7 @@ impl Drop for BlockTests {
 #[test]
 #[should_panic]
 fn block_tests_run_on_drop() {
-	BlockTests::new().add(123, || {
-		panic!("if this test passes, block tests run properly")
-	});
+	BlockTests::new().add(123, || panic!("if this test passes, block tests run properly"));
 }
 
 #[test]
@@ -412,10 +390,7 @@ fn events() {
 		.add_with_post_test(
 			123,
 			|| {
-				assert_ok!(System::set_code(
-					RawOrigin::Root.into(),
-					Default::default()
-				));
+				assert_ok!(System::set_code(RawOrigin::Root.into(), Default::default()));
 			},
 			|| {
 				let events = System::events();
@@ -445,10 +420,7 @@ fn non_overlapping() {
 			builder.host_config.validation_upgrade_delay = 1000;
 		})
 		.add(123, || {
-			assert_ok!(System::set_code(
-				RawOrigin::Root.into(),
-				Default::default()
-			));
+			assert_ok!(System::set_code(RawOrigin::Root.into(), Default::default()));
 		})
 		.add(234, || {
 			assert_eq!(
@@ -466,14 +438,8 @@ fn manipulates_storage() {
 				!<PendingValidationCode<Test>>::exists(),
 				"validation function must not exist yet"
 			);
-			assert_ok!(System::set_code(
-				RawOrigin::Root.into(),
-				Default::default()
-			));
-			assert!(
-				<PendingValidationCode<Test>>::exists(),
-				"validation function must now exist"
-			);
+			assert_ok!(System::set_code(RawOrigin::Root.into(), Default::default()));
+			assert!(<PendingValidationCode<Test>>::exists(), "validation function must now exist");
 		})
 		.add_with_post_test(
 			1234,
@@ -573,10 +539,7 @@ fn send_hrmp_message_buffer_channel_close() {
 			sproof.para_id = ParaId::from(200);
 			sproof.hrmp_egress_channel_index = Some(vec![ParaId::from(300), ParaId::from(400)]);
 			sproof.hrmp_channels.insert(
-				HrmpChannelId {
-					sender: ParaId::from(200),
-					recipient: ParaId::from(300),
-				},
+				HrmpChannelId { sender: ParaId::from(200), recipient: ParaId::from(300) },
 				AbridgedHrmpChannel {
 					max_capacity: 1,
 					msg_count: 1, // <- 1/1 means the channel is full
@@ -587,10 +550,7 @@ fn send_hrmp_message_buffer_channel_close() {
 				},
 			);
 			sproof.hrmp_channels.insert(
-				HrmpChannelId {
-					sender: ParaId::from(200),
-					recipient: ParaId::from(400),
-				},
+				HrmpChannelId { sender: ParaId::from(200), recipient: ParaId::from(400) },
 				AbridgedHrmpChannel {
 					max_capacity: 1,
 					msg_count: 1,
@@ -605,8 +565,8 @@ fn send_hrmp_message_buffer_channel_close() {
 			// Adjustment according to block
 			//
 			match relay_block_num {
-				1 => {}
-				2 => {}
+				1 => {},
+				2 => {},
 				3 => {
 					// The channel 200->400 ceases to exist at the relay chain block 3
 					sproof
@@ -628,21 +588,15 @@ fn send_hrmp_message_buffer_channel_close() {
 						})
 						.unwrap()
 						.msg_count = 0;
-				}
+				},
 				_ => unreachable!(),
 			}
 		})
 		.add_with_post_test(
 			1,
 			|| {
-				send_message(
-					ParaId::from(300),
-					b"1".to_vec(),
-				);
-				send_message(
-					ParaId::from(400),
-					b"2".to_vec(),
-				);
+				send_message(ParaId::from(300), b"1".to_vec());
+				send_message(ParaId::from(400), b"2".to_vec());
 			},
 			|| {},
 		)
@@ -662,10 +616,7 @@ fn send_hrmp_message_buffer_channel_close() {
 				let v = HrmpOutboundMessages::<Test>::get();
 				assert_eq!(
 					v,
-					vec![OutboundHrmpMessage {
-						recipient: ParaId::from(300),
-						data: b"1".to_vec(),
-					}]
+					vec![OutboundHrmpMessage { recipient: ParaId::from(300), data: b"1".to_vec() }]
 				);
 			},
 		);
@@ -682,27 +633,15 @@ fn message_queue_chain() {
 	// These cases are taken from https://github.com/paritytech/polkadot/pull/2351
 	assert_eq!(
 		MessageQueueChain::default()
-			.extend_downward(&InboundDownwardMessage {
-				sent_at: 2,
-				msg: vec![1, 2, 3],
-			})
-			.extend_downward(&InboundDownwardMessage {
-				sent_at: 3,
-				msg: vec![4, 5, 6],
-			})
+			.extend_downward(&InboundDownwardMessage { sent_at: 2, msg: vec![1, 2, 3] })
+			.extend_downward(&InboundDownwardMessage { sent_at: 3, msg: vec![4, 5, 6] })
 			.head(),
 		hex!["88dc00db8cc9d22aa62b87807705831f164387dfa49f80a8600ed1cbe1704b6b"].into(),
 	);
 	assert_eq!(
 		MessageQueueChain::default()
-			.extend_hrmp(&InboundHrmpMessage {
-				sent_at: 2,
-				data: vec![1, 2, 3],
-			})
-			.extend_hrmp(&InboundHrmpMessage {
-				sent_at: 3,
-				data: vec![4, 5, 6],
-			})
+			.extend_hrmp(&InboundHrmpMessage { sent_at: 2, data: vec![1, 2, 3] })
+			.extend_hrmp(&InboundHrmpMessage { sent_at: 3, data: vec![4, 5, 6] })
 			.head(),
 		hex!["88dc00db8cc9d22aa62b87807705831f164387dfa49f80a8600ed1cbe1704b6b"].into(),
 	);
@@ -722,13 +661,13 @@ fn receive_dmp() {
 			1 => {
 				sproof.dmq_mqc_head =
 					Some(MessageQueueChain::default().extend_downward(&MSG).head());
-			}
+			},
 			_ => unreachable!(),
 		})
 		.with_inherent_data(|_, relay_block_num, data| match relay_block_num {
 			1 => {
 				data.downward_messages.push(MSG.clone());
-			}
+			},
 			_ => unreachable!(),
 		})
 		.add(1, || {
@@ -771,7 +710,7 @@ fn receive_hrmp() {
 				// 300 - one new message
 				sproof.upsert_inbound_channel(ParaId::from(300)).mqc_head =
 					Some(MessageQueueChain::default().extend_hrmp(&MSG_1).head());
-			}
+			},
 			2 => {
 				// 200 - two new messages
 				// 300 - now present with one message.
@@ -784,20 +723,19 @@ fn receive_hrmp() {
 						.extend_hrmp(&MSG_3)
 						.head(),
 				);
-			}
+			},
 			3 => {
 				// 200 - no new messages
 				// 300 - is gone
 				sproof.upsert_inbound_channel(ParaId::from(200)).mqc_head =
 					Some(MessageQueueChain::default().extend_hrmp(&MSG_4).head());
-			}
+			},
 			_ => unreachable!(),
 		})
 		.with_inherent_data(|_, relay_block_num, data| match relay_block_num {
 			1 => {
-				data.horizontal_messages
-					.insert(ParaId::from(300), vec![MSG_1.clone()]);
-			}
+				data.horizontal_messages.insert(ParaId::from(300), vec![MSG_1.clone()]);
+			},
 			2 => {
 				data.horizontal_messages.insert(
 					ParaId::from(300),
@@ -809,10 +747,9 @@ fn receive_hrmp() {
 						MSG_3.clone(),
 					],
 				);
-				data.horizontal_messages
-					.insert(ParaId::from(200), vec![MSG_4.clone()]);
-			}
-			3 => {}
+				data.horizontal_messages.insert(ParaId::from(200), vec![MSG_4.clone()]);
+			},
+			3 => {},
 			_ => unreachable!(),
 		})
 		.add(1, || {
@@ -845,12 +782,12 @@ fn receive_hrmp_empty_channel() {
 		.with_relay_sproof_builder(|_, relay_block_num, sproof| match relay_block_num {
 			1 => {
 				// no channels
-			}
+			},
 			2 => {
 				// one new channel
 				sproof.upsert_inbound_channel(ParaId::from(300)).mqc_head =
 					Some(MessageQueueChain::default().head());
-			}
+			},
 			_ => unreachable!(),
 		})
 		.add(1, || {})
@@ -878,33 +815,30 @@ fn receive_hrmp_after_pause() {
 			1 => {
 				sproof.upsert_inbound_channel(ALICE).mqc_head =
 					Some(MessageQueueChain::default().extend_hrmp(&MSG_1).head());
-			}
+			},
 			2 => {
 				// 300 - no new messages, mqc stayed the same.
 				sproof.upsert_inbound_channel(ALICE).mqc_head =
 					Some(MessageQueueChain::default().extend_hrmp(&MSG_1).head());
-			}
+			},
 			3 => {
 				// 300 - new message.
 				sproof.upsert_inbound_channel(ALICE).mqc_head = Some(
-					MessageQueueChain::default()
-						.extend_hrmp(&MSG_1)
-						.extend_hrmp(&MSG_2)
-						.head(),
+					MessageQueueChain::default().extend_hrmp(&MSG_1).extend_hrmp(&MSG_2).head(),
 				);
-			}
+			},
 			_ => unreachable!(),
 		})
 		.with_inherent_data(|_, relay_block_num, data| match relay_block_num {
 			1 => {
 				data.horizontal_messages.insert(ALICE, vec![MSG_1.clone()]);
-			}
+			},
 			2 => {
 				// no new messages
-			}
+			},
 			3 => {
 				data.horizontal_messages.insert(ALICE, vec![MSG_2.clone()]);
-			}
+			},
 			_ => unreachable!(),
 		})
 		.add(1, || {

pallets/parachain-system/src/validate_block/implementation.rs

@@ -16,7 +16,7 @@
 
 //! The actual implementation of the validate block functionality.
 
-use frame_support::traits::{ExecuteBlock, ExtrinsicCall, IsSubType, Get};
+use frame_support::traits::{ExecuteBlock, ExtrinsicCall, Get, IsSubType};
 use sp_runtime::traits::{Block as BlockT, Extrinsic, HashFor, Header as HeaderT, NumberFor};
 
 use sp_io::KillStorageResult;
@@ -64,10 +64,7 @@ where
 	let head_data = HeadData(header.encode());
 
 	let block = B::new(header, extrinsics);
-	assert!(
-		parent_head.hash() == *block.header().parent_hash(),
-		"Invalid parent hash",
-	);
+	assert!(parent_head.hash() == *block.header().parent_hash(), "Invalid parent hash",);
 
 	// Uncompress
 	let mut db = MemoryDB::default();
@@ -128,7 +125,8 @@ where
 		.iter()
 		.filter_map(|e| e.call().is_sub_type())
 		.find_map(|c| match c {
-			crate::Call::set_validation_data { data: validation_data } => Some(validation_data.clone()),
+			crate::Call::set_validation_data { data: validation_data } =>
+				Some(validation_data.clone()),
 			_ => None,
 		})
 		.expect("Could not find `set_validation_data` inherent");
@@ -196,7 +194,7 @@ fn host_storage_read(key: &[u8], value_out: &mut [u8], value_offset: u32) -> Opt
 			let written = sp_std::cmp::min(data.len(), value_out.len());
 			value_out[..written].copy_from_slice(&data[..written]);
 			Some(value.len() as u32)
-		}
+		},
 		None => None,
 	}
 }
@@ -276,7 +274,7 @@ fn host_default_child_storage_read(
 			let written = sp_std::cmp::min(data.len(), value_out.len());
 			value_out[..written].copy_from_slice(&data[..written]);
 			Some(value.len() as u32)
-		}
+		},
 		None => None,
 	}
 }
@@ -312,7 +310,11 @@ fn host_default_child_storage_exists(storage_key: &[u8], key: &[u8]) -> bool {
 	with_externalities(|ext| ext.exists_child_storage(&child_info, key))
 }
 
-fn host_default_child_storage_clear_prefix(storage_key: &[u8], prefix: &[u8], limit: Option<u32>) -> KillStorageResult {
+fn host_default_child_storage_clear_prefix(
+	storage_key: &[u8],
+	prefix: &[u8],
+	limit: Option<u32>,
+) -> KillStorageResult {
 	let child_info = ChildInfo::new_default(storage_key);
 	with_externalities(|ext| {
 		let (all_removed, num_removed) = ext.clear_child_prefix(&child_info, prefix, limit);

pallets/parachain-system/src/validate_block/tests.rs

@@ -79,16 +79,11 @@ fn build_block_with_witness(
 
 	validation_data.relay_parent_storage_root = relay_parent_storage_root;
 
-	extra_extrinsics
-		.into_iter()
-		.for_each(|e| builder.push(e).unwrap());
+	extra_extrinsics.into_iter().for_each(|e| builder.push(e).unwrap());
 
 	let block = builder.build_parachain_block(*parent_head.state_root());
 
-	TestBlockData {
-		block,
-		validation_data,
-	}
+	TestBlockData { block, validation_data }
 }
 
 #[test]
@@ -96,18 +91,13 @@ fn validate_block_no_extra_extrinsics() {
 	sp_tracing::try_init_simple();
 
 	let (client, parent_head) = create_test_client();
-	let TestBlockData {
-		block,
-		validation_data,
-	} = build_block_with_witness(&client, vec![], parent_head.clone(), Default::default());
+	let TestBlockData { block, validation_data } =
+		build_block_with_witness(&client, vec![], parent_head.clone(), Default::default());
 	let header = block.header().clone();
 
-	let res_header = call_validate_block(
-		parent_head,
-		block,
-		validation_data.relay_parent_storage_root,
-	)
-	.expect("Calls `validate_block`");
+	let res_header =
+		call_validate_block(parent_head, block, validation_data.relay_parent_storage_root)
+			.expect("Calls `validate_block`");
 	assert_eq!(header, res_header);
 }
 
@@ -122,10 +112,7 @@ fn validate_block_with_extra_extrinsics() {
 		transfer(&client, Charlie, Alice, 500),
 	];
 
-	let TestBlockData {
-		block,
-		validation_data,
-	} = build_block_with_witness(
+	let TestBlockData { block, validation_data } = build_block_with_witness(
 		&client,
 		extra_extrinsics,
 		parent_head.clone(),
@@ -133,12 +120,9 @@ fn validate_block_with_extra_extrinsics() {
 	);
 	let header = block.header().clone();
 
-	let res_header = call_validate_block(
-		parent_head,
-		block,
-		validation_data.relay_parent_storage_root,
-	)
-	.expect("Calls `validate_block`");
+	let res_header =
+		call_validate_block(parent_head, block, validation_data.relay_parent_storage_root)
+			.expect("Calls `validate_block`");
 	assert_eq!(header, res_header);
 }
 
@@ -148,20 +132,14 @@ fn validate_block_invalid_parent_hash() {
 
 	if env::var("RUN_TEST").is_ok() {
 		let (client, parent_head) = create_test_client();
-		let TestBlockData {
-			block,
-			validation_data,
-		} = build_block_with_witness(&client, vec![], parent_head.clone(), Default::default());
+		let TestBlockData { block, validation_data } =
+			build_block_with_witness(&client, vec![], parent_head.clone(), Default::default());
 		let (mut header, extrinsics, witness) = block.deconstruct();
 		header.set_parent_hash(Hash::from_low_u64_be(1));
 
 		let block_data = ParachainBlockData::new(header, extrinsics, witness);
-		call_validate_block(
-			parent_head,
-			block_data,
-			validation_data.relay_parent_storage_root,
-		)
-		.unwrap_err();
+		call_validate_block(parent_head, block_data, validation_data.relay_parent_storage_root)
+			.unwrap_err();
 	} else {
 		let output = Command::new(env::current_exe().unwrap())
 			.args(&["validate_block_invalid_parent_hash", "--", "--nocapture"])
@@ -186,11 +164,7 @@ fn validate_block_fails_on_invalid_validation_data() {
 		call_validate_block(parent_head, block, Hash::random()).unwrap_err();
 	} else {
 		let output = Command::new(env::current_exe().unwrap())
-			.args(&[
-				"validate_block_fails_on_invalid_validation_data",
-				"--",
-				"--nocapture",
-			])
+			.args(&["validate_block_fails_on_invalid_validation_data", "--", "--nocapture"])
 			.env("RUN_TEST", "1")
 			.output()
 			.expect("Runs the test");
@@ -208,32 +182,18 @@ fn check_inherent_fails_on_validate_block_as_expected() {
 	if env::var("RUN_TEST").is_ok() {
 		let (client, parent_head) = create_test_client();
 
-		let TestBlockData {
-			block,
-			validation_data,
-		} = build_block_with_witness(
+		let TestBlockData { block, validation_data } = build_block_with_witness(
 			&client,
 			vec![],
 			parent_head.clone(),
-			RelayStateSproofBuilder {
-				current_slot: 1337.into(),
-				..Default::default()
-			},
+			RelayStateSproofBuilder { current_slot: 1337.into(), ..Default::default() },
 		);
 
-		call_validate_block(
-			parent_head,
-			block,
-			validation_data.relay_parent_storage_root,
-		)
-		.unwrap_err();
+		call_validate_block(parent_head, block, validation_data.relay_parent_storage_root)
+			.unwrap_err();
 	} else {
 		let output = Command::new(env::current_exe().unwrap())
-			.args(&[
-				"check_inherent_fails_on_validate_block_as_expected",
-				"--",
-				"--nocapture",
-			])
+			.args(&["check_inherent_fails_on_validate_block_as_expected", "--", "--nocapture"])
 			.env("RUN_TEST", "1")
 			.output()
 			.expect("Runs the test");

pallets/session-benchmarking/src/lib.rs

@@ -16,16 +16,14 @@
 //! Benchmarking setup for pallet-session
 #![cfg_attr(not(feature = "std"), no_std)]
 #![cfg(feature = "runtime-benchmarks")]
-use sp_std::prelude::*;
-use sp_std::vec;
+use sp_std::{prelude::*, vec};
 
 use frame_benchmarking::{benchmarks, impl_benchmark_test_suite, whitelisted_caller};
-use frame_system::{RawOrigin};
+use frame_system::RawOrigin;
 use pallet_session::*;
 pub struct Pallet<T: Config>(pallet_session::Pallet<T>);
 pub trait Config: pallet_session::Config {}
 
-
 benchmarks! {
 	set_keys {
 		let caller: T::AccountId = whitelisted_caller();
@@ -43,9 +41,4 @@ benchmarks! {
 	}: _(RawOrigin::Signed(caller))
 
 }
-impl_benchmark_test_suite!(
-	Pallet,
-	crate::mock::new_test_ext(),
-	crate::mock::Test,
-	extra = false,
-);
+impl_benchmark_test_suite!(Pallet, crate::mock::new_test_ext(), crate::mock::Test, extra = false,);

pallets/xcm/src/lib.rs

@@ -20,15 +20,19 @@
 
 #![cfg_attr(not(feature = "std"), no_std)]
 
-use sp_std::{prelude::*, convert::TryFrom};
-use cumulus_primitives_core::{ParaId, DmpMessageHandler};
-use cumulus_primitives_core::relay_chain::BlockNumber as RelayBlockNumber;
-use codec::{Encode, Decode};
-use scale_info::TypeInfo;
-use sp_runtime::traits::BadOrigin;
-use xcm::{VersionedXcm, latest::{Xcm, Outcome, Parent, ExecuteXcm}};
+use codec::{Decode, Encode};
+use cumulus_primitives_core::{
+	relay_chain::BlockNumber as RelayBlockNumber, DmpMessageHandler, ParaId,
+};
 use frame_support::dispatch::Weight;
 pub use pallet::*;
+use scale_info::TypeInfo;
+use sp_runtime::traits::BadOrigin;
+use sp_std::{convert::TryFrom, prelude::*};
+use xcm::{
+	latest::{ExecuteXcm, Outcome, Parent, Xcm},
+	VersionedXcm,
+};
 
 #[frame_support::pallet]
 pub mod pallet {
@@ -50,8 +54,7 @@ pub mod pallet {
 	}
 
 	#[pallet::error]
-	pub enum Error<T> {
-	}
+	pub enum Error<T> {}
 
 	#[pallet::hooks]
 	impl<T: Config> Hooks<BlockNumberFor<T>> for Pallet<T> {}
@@ -106,14 +109,13 @@ pub mod pallet {
 pub struct UnlimitedDmpExecution<T>(sp_std::marker::PhantomData<T>);
 impl<T: Config> DmpMessageHandler for UnlimitedDmpExecution<T> {
 	fn handle_dmp_messages(
-		iter: impl Iterator<Item=(RelayBlockNumber, Vec<u8>)>,
+		iter: impl Iterator<Item = (RelayBlockNumber, Vec<u8>)>,
 		limit: Weight,
 	) -> Weight {
 		let mut used = 0;
 		for (_sent_at, data) in iter {
 			let id = sp_io::hashing::twox_64(&data[..]);
-			let msg = VersionedXcm::<T::Call>::decode(&mut &data[..])
-				.map(Xcm::<T::Call>::try_from);
+			let msg = VersionedXcm::<T::Call>::decode(&mut &data[..]).map(Xcm::<T::Call>::try_from);
 			match msg {
 				Err(_) => Pallet::<T>::deposit_event(Event::InvalidFormat(id)),
 				Ok(Err(())) => Pallet::<T>::deposit_event(Event::UnsupportedVersion(id)),
@@ -121,7 +123,7 @@ impl<T: Config> DmpMessageHandler for UnlimitedDmpExecution<T> {
 					let outcome = T::XcmExecutor::execute_xcm(Parent.into(), x, limit);
 					used += outcome.weight_used();
 					Pallet::<T>::deposit_event(Event::ExecutedDownward(id, outcome));
-				}
+				},
 			}
 		}
 		used
@@ -136,14 +138,13 @@ impl<T: Config> DmpMessageHandler for UnlimitedDmpExecution<T> {
 pub struct LimitAndDropDmpExecution<T>(sp_std::marker::PhantomData<T>);
 impl<T: Config> DmpMessageHandler for LimitAndDropDmpExecution<T> {
 	fn handle_dmp_messages(
-		iter: impl Iterator<Item=(RelayBlockNumber, Vec<u8>)>,
+		iter: impl Iterator<Item = (RelayBlockNumber, Vec<u8>)>,
 		limit: Weight,
 	) -> Weight {
 		let mut used = 0;
 		for (_sent_at, data) in iter {
 			let id = sp_io::hashing::twox_64(&data[..]);
-			let msg = VersionedXcm::<T::Call>::decode(&mut &data[..])
-				.map(Xcm::<T::Call>::try_from);
+			let msg = VersionedXcm::<T::Call>::decode(&mut &data[..]).map(Xcm::<T::Call>::try_from);
 			match msg {
 				Err(_) => Pallet::<T>::deposit_event(Event::InvalidFormat(id)),
 				Ok(Err(())) => Pallet::<T>::deposit_event(Event::UnsupportedVersion(id)),
@@ -152,7 +153,7 @@ impl<T: Config> DmpMessageHandler for LimitAndDropDmpExecution<T> {
 					let outcome = T::XcmExecutor::execute_xcm(Parent.into(), x, weight_limit);
 					used += outcome.weight_used();
 					Pallet::<T>::deposit_event(Event::ExecutedDownward(id, outcome));
-				}
+				},
 			}
 		}
 		used
@@ -162,7 +163,8 @@ impl<T: Config> DmpMessageHandler for LimitAndDropDmpExecution<T> {
 /// Ensure that the origin `o` represents a sibling parachain.
 /// Returns `Ok` with the parachain ID of the sibling or an `Err` otherwise.
 pub fn ensure_sibling_para<OuterOrigin>(o: OuterOrigin) -> Result<ParaId, BadOrigin>
-	where OuterOrigin: Into<Result<Origin, OuterOrigin>>
+where
+	OuterOrigin: Into<Result<Origin, OuterOrigin>>,
 {
 	match o.into() {
 		Ok(Origin::SiblingParachain(id)) => Ok(id),
@@ -173,7 +175,8 @@ pub fn ensure_sibling_para<OuterOrigin>(o: OuterOrigin) -> Result<ParaId, BadOri
 /// Ensure that the origin `o` represents is the relay chain.
 /// Returns `Ok` if it does or an `Err` otherwise.
 pub fn ensure_relay<OuterOrigin>(o: OuterOrigin) -> Result<(), BadOrigin>
-	where OuterOrigin: Into<Result<Origin, OuterOrigin>>
+where
+	OuterOrigin: Into<Result<Origin, OuterOrigin>>,
 {
 	match o.into() {
 		Ok(Origin::Relay) => Ok(()),

pallets/xcmp-queue/src/lib.rs

@@ -34,7 +34,7 @@ mod tests;
 use codec::{Decode, Encode};
 use cumulus_primitives_core::{
 	relay_chain::BlockNumber as RelayBlockNumber, ChannelStatus, GetChannelInfo, MessageSendError,
-	ParaId, XcmpMessageHandler, XcmpMessageSource, XcmpMessageFormat,
+	ParaId, XcmpMessageFormat, XcmpMessageHandler, XcmpMessageSource,
 };
 use frame_support::weights::Weight;
 use rand_chacha::{
@@ -43,8 +43,8 @@ use rand_chacha::{
 };
 use scale_info::TypeInfo;
 use sp_runtime::{traits::Hash, RuntimeDebug};
-use sp_std::{prelude::*, convert::TryFrom};
-use xcm::{latest::prelude::*, WrapVersion, VersionedXcm};
+use sp_std::{convert::TryFrom, prelude::*};
+use xcm::{latest::prelude::*, VersionedXcm, WrapVersion};
 
 pub use pallet::*;
 
@@ -126,11 +126,7 @@ pub mod pallet {
 	#[pallet::storage]
 	pub(super) type InboundXcmpStatus<T: Config> = StorageValue<
 		_,
-		Vec<(
-			ParaId,
-			InboundStatus,
-			Vec<(RelayBlockNumber, XcmpMessageFormat)>,
-		)>,
+		Vec<(ParaId, InboundStatus, Vec<(RelayBlockNumber, XcmpMessageFormat)>)>,
 		ValueQuery,
 	>;
 
@@ -242,28 +238,25 @@ impl<T: Config> Pallet<T> {
 		let max_message_size =
 			T::ChannelInfo::get_channel_max(recipient).ok_or(MessageSendError::NoChannel)?;
 		if data.len() > max_message_size {
-			return Err(MessageSendError::TooBig);
+			return Err(MessageSendError::TooBig)
 		}
 
 		let mut s = <OutboundXcmpStatus<T>>::get();
-		let index = s
-			.iter()
-			.position(|item| item.0 == recipient)
-			.unwrap_or_else(|| {
-				s.push((recipient, OutboundStatus::Ok, false, 0, 0));
-				s.len() - 1
-			});
+		let index = s.iter().position(|item| item.0 == recipient).unwrap_or_else(|| {
+			s.push((recipient, OutboundStatus::Ok, false, 0, 0));
+			s.len() - 1
+		});
 		let have_active = s[index].4 > s[index].3;
-		let appended = have_active
-			&& <OutboundXcmpMessages<T>>::mutate(recipient, s[index].4 - 1, |s| {
+		let appended = have_active &&
+			<OutboundXcmpMessages<T>>::mutate(recipient, s[index].4 - 1, |s| {
 				if XcmpMessageFormat::decode(&mut &s[..]) != Ok(format) {
-					return false;
+					return false
 				}
 				if s.len() + data.len() > max_message_size {
-					return false;
+					return false
 				}
 				s.extend_from_slice(&data[..]);
-				return true;
+				return true
 			});
 		if appended {
 			Ok((s[index].4 - s[index].3 - 1) as u32)
@@ -316,10 +309,9 @@ impl<T: Config> Pallet<T> {
 		// Create a shuffled order for use to iterate through.
 		// Not a great random seed, but good enough for our purposes.
 		let seed = frame_system::Pallet::<T>::parent_hash();
-		let seed = <[u8; 32]>::decode(&mut sp_runtime::traits::TrailingZeroInput::new(
-			seed.as_ref(),
-		))
-		.expect("input is padded with zeroes; qed");
+		let seed =
+			<[u8; 32]>::decode(&mut sp_runtime::traits::TrailingZeroInput::new(seed.as_ref()))
+				.expect("input is padded with zeroes; qed");
 		let mut rng = ChaChaRng::from_seed(seed);
 		let mut shuffled = (0..len).collect::<Vec<_>>();
 		for i in 0..len {
@@ -359,11 +351,8 @@ impl<T: Config> Pallet<T> {
 					// we just report the weight used.
 					Outcome::Incomplete(w, e) => (Ok(w), Event::Fail(Some(hash), e)),
 				}
-			}
-			Err(()) => (
-				Err(XcmError::UnhandledXcmVersion),
-				Event::BadVersion(Some(hash)),
-			),
+			},
+			Err(()) => (Err(XcmError::UnhandledXcmVersion), Event::BadVersion(Some(hash))),
 		};
 		Self::deposit_event(event);
 		result
@@ -390,18 +379,18 @@ impl<T: Config> Pallet<T> {
 								// That message didn't get processed this time because of being
 								// too heavy. We leave it around for next time and bail.
 								remaining_fragments = last_remaining_fragments;
-								break;
-							}
+								break
+							},
 							Err(_) => {
 								// Message looks invalid; don't attempt to retry
-							}
+							},
 						}
 					} else {
 						debug_assert!(false, "Invalid incoming XCMP message data");
 						remaining_fragments = &b""[..];
 					}
 				}
-			}
+			},
 			XcmpMessageFormat::ConcatenatedEncodedBlob => {
 				while !remaining_fragments.is_empty() {
 					last_remaining_fragments = remaining_fragments;
@@ -413,22 +402,22 @@ impl<T: Config> Pallet<T> {
 								// That message didn't get processed this time because of being
 								// too heavy. We leave it around for next time and bail.
 								remaining_fragments = last_remaining_fragments;
-								break;
-							}
+								break
+							},
 							Err(false) => {
 								// Message invalid; don't attempt to retry
-							}
+							},
 						}
 					} else {
 						debug_assert!(false, "Invalid incoming blob message data");
 						remaining_fragments = &b""[..];
 					}
 				}
-			}
+			},
 			XcmpMessageFormat::Signals => {
 				debug_assert!(false, "All signals are handled immediately; qed");
 				remaining_fragments = &b""[..];
-			}
+			},
 		}
 		let is_empty = remaining_fragments.is_empty();
 		if is_empty {
@@ -469,15 +458,11 @@ impl<T: Config> Pallet<T> {
 	fn service_xcmp_queue(max_weight: Weight) -> Weight {
 		let mut status = <InboundXcmpStatus<T>>::get(); // <- sorted.
 		if status.len() == 0 {
-			return 0;
+			return 0
 		}
 
-		let QueueConfigData {
-			resume_threshold,
-			threshold_weight,
-			weight_restrict_decay,
-			..
-		} = <QueueConfig<T>>::get();
+		let QueueConfigData { resume_threshold, threshold_weight, weight_restrict_decay, .. } =
+			<QueueConfig<T>>::get();
 
 		let mut shuffled = Self::create_shuffle(status.len());
 		let mut weight_used = 0;
@@ -492,8 +477,8 @@ impl<T: Config> Pallet<T> {
 		// send more, heavier messages.
 
 		let mut shuffle_index = 0;
-		while shuffle_index < shuffled.len()
-			&& max_weight.saturating_sub(weight_used) >= threshold_weight
+		while shuffle_index < shuffled.len() &&
+			max_weight.saturating_sub(weight_used) >= threshold_weight
 		{
 			let index = shuffled[shuffle_index];
 			let sender = status[index].0;
@@ -514,10 +499,7 @@ impl<T: Config> Pallet<T> {
 			}
 
 			let weight_processed = if status[index].2.is_empty() {
-				debug_assert!(
-					false,
-					"channel exists in status; there must be messages; qed"
-				);
+				debug_assert!(false, "channel exists in status; there must be messages; qed");
 				0
 			} else {
 				// Process up to one block's worth for now.
@@ -531,26 +513,24 @@ impl<T: Config> Pallet<T> {
 			};
 			weight_used += weight_processed;
 
-			if status[index].2.len() as u32 <= resume_threshold
-				&& status[index].1 == InboundStatus::Suspended
+			if status[index].2.len() as u32 <= resume_threshold &&
+				status[index].1 == InboundStatus::Suspended
 			{
 				// Resume
 				let r = Self::send_signal(sender, ChannelSignal::Resume);
-				debug_assert!(
-					r.is_ok(),
-					"WARNING: Failed sending resume into suspended channel"
-				);
+				debug_assert!(r.is_ok(), "WARNING: Failed sending resume into suspended channel");
 				status[index].1 = InboundStatus::Ok;
 			}
 
 			// If there are more and we're making progress, we process them after we've given the
 			// other channels a look in. If we've still not unlocked all weight, then we set them
 			// up for processing a second time anyway.
-			if !status[index].2.is_empty() && (weight_processed > 0 || weight_available != max_weight)
+			if !status[index].2.is_empty() &&
+				(weight_processed > 0 || weight_available != max_weight)
 			{
 				if shuffle_index + 1 == shuffled.len() {
 					// Only this queue left. Just run around this loop once more.
-					continue;
+					continue
 				}
 				shuffled.push(index);
 			}
@@ -590,10 +570,7 @@ impl<T: Config> Pallet<T> {
 					s[index].1 = OutboundStatus::Ok;
 				}
 			} else {
-				debug_assert!(
-					false,
-					"WARNING: Attempt to resume channel that was not suspended."
-				);
+				debug_assert!(false, "WARNING: Attempt to resume channel that was not suspended.");
 			}
 		});
 	}
@@ -606,11 +583,7 @@ impl<T: Config> XcmpMessageHandler for Pallet<T> {
 	) -> Weight {
 		let mut status = <InboundXcmpStatus<T>>::get();
 
-		let QueueConfigData {
-			suspend_threshold,
-			drop_threshold,
-			..
-		} = <QueueConfig<T>>::get();
+		let QueueConfigData { suspend_threshold, drop_threshold, .. } = <QueueConfig<T>>::get();
 
 		for (sender, sent_at, data) in iter {
 			// Figure out the message format.
@@ -618,12 +591,9 @@ impl<T: Config> XcmpMessageHandler for Pallet<T> {
 			let format = match XcmpMessageFormat::decode(&mut data_ref) {
 				Ok(f) => f,
 				Err(_) => {
-					debug_assert!(
-						false,
-						"Unknown XCMP message format. Silently dropping message"
-					);
-					continue;
-				}
+					debug_assert!(false, "Unknown XCMP message format. Silently dropping message");
+					continue
+				},
 			};
 			if format == XcmpMessageFormat::Signals {
 				while !data_ref.is_empty() {
@@ -656,7 +626,7 @@ impl<T: Config> XcmpMessageHandler for Pallet<T> {
 								"XCMP channel queue full. Silently dropping message"
 							);
 						}
-					}
+					},
 					Err(_) => status.push((sender, InboundStatus::Ok, vec![(sent_at, format)])),
 				}
 				// Queue the payload for later execution.
@@ -686,10 +656,10 @@ impl<T: Config> XcmpMessageSource for Pallet<T> {
 			if result.len() == max_message_count {
 				// We check this condition in the beginning of the loop so that we don't include
 				// a message where the limit is 0.
-				break;
+				break
 			}
 			if outbound_status == OutboundStatus::Suspended {
-				continue;
+				continue
 			}
 			let (max_size_now, max_size_ever) = match T::ChannelInfo::get_channel_status(para_id) {
 				ChannelStatus::Closed => {
@@ -702,8 +672,8 @@ impl<T: Config> XcmpMessageSource for Pallet<T> {
 						<SignalMessages<T>>::remove(para_id);
 					}
 					*status = (para_id, OutboundStatus::Ok, false, 0, 0);
-					continue;
-				}
+					continue
+				},
 				ChannelStatus::Full => continue,
 				ChannelStatus::Ready(n, e) => (n, e),
 			};
@@ -715,7 +685,7 @@ impl<T: Config> XcmpMessageSource for Pallet<T> {
 					signalling = false;
 					page
 				} else {
-					continue;
+					continue
 				}
 			} else if end > begin {
 				let page = <OutboundXcmpMessages<T>>::get(para_id, begin);
@@ -724,10 +694,10 @@ impl<T: Config> XcmpMessageSource for Pallet<T> {
 					begin += 1;
 					page
 				} else {
-					continue;
+					continue
 				}
 			} else {
-				continue;
+				continue
 			};
 			if begin == end {
 				begin = 0;
@@ -789,7 +759,7 @@ impl<T: Config> SendXcm for Pallet<T> {
 				.map_err(|e| SendError::Transport(<&'static str>::from(e)))?;
 				Self::deposit_event(Event::XcmpMessageSent(Some(hash)));
 				Ok(())
-			}
+			},
 			// Anything else is unhandled. This includes a message this is meant for us.
 			_ => Err(SendError::CannotReachDestination(dest, msg)),
 		}

pallets/xcmp-queue/src/mock.rs

@@ -15,12 +15,14 @@
 
 use super::*;
 use crate as xcmp_queue;
-use sp_core::H256;
 use frame_support::parameter_types;
-use sp_runtime::{traits::{BlakeTwo256, IdentityLookup}, testing::Header};
+use sp_core::H256;
+use sp_runtime::{
+	testing::Header,
+	traits::{BlakeTwo256, IdentityLookup},
+};
 use xcm_builder::{
-	FixedWeightBounds, IsConcrete, LocationInverter, NativeAsset, CurrencyAdapter,
-	ParentIsDefault,
+	CurrencyAdapter, FixedWeightBounds, IsConcrete, LocationInverter, NativeAsset, ParentIsDefault,
 };
 
 type UncheckedExtrinsic = frame_system::mocking::MockUncheckedExtrinsic<Test>;
@@ -124,9 +126,7 @@ pub type LocalAssetTransactor = CurrencyAdapter<
 	(),
 >;
 
-pub type LocationToAccountId = (
-	ParentIsDefault<AccountId>,
-);
+pub type LocationToAccountId = (ParentIsDefault<AccountId>,);
 
 pub struct XcmConfig;
 impl xcm_executor::Config for XcmConfig {

pallets/xcmp-queue/src/tests.rs

@@ -14,25 +14,16 @@
 // limitations under the License.
 
 use super::*;
-use mock::{new_test_ext, XcmpQueue};
 use cumulus_primitives_core::XcmpMessageHandler;
+use mock::{new_test_ext, XcmpQueue};
 
 #[test]
 fn one_message_does_not_panic() {
 	new_test_ext().execute_with(|| {
 		let message_format = XcmpMessageFormat::ConcatenatedVersionedXcm.encode();
-		let messages = vec![
-			(
-				Default::default(),
-				1u32.into(),
-				message_format.as_slice(),
-			),
-		];
+		let messages = vec![(Default::default(), 1u32.into(), message_format.as_slice())];
 
 		// This shouldn't cause a panic
-		XcmpQueue::handle_xcmp_messages(
-			messages.into_iter(),
-			Weight::max_value(),
-		);
+		XcmpQueue::handle_xcmp_messages(messages.into_iter(), Weight::max_value());
 	})
 }

polkadot-parachains/pallets/parachain-info/src/lib.rs

@@ -22,9 +22,9 @@ pub use pallet::*;
 
 #[frame_support::pallet]
 pub mod pallet {
+	use cumulus_primitives_core::ParaId;
 	use frame_support::pallet_prelude::*;
 	use frame_system::pallet_prelude::*;
-	use cumulus_primitives_core::ParaId;
 
 	#[pallet::pallet]
 	#[pallet::generate_store(pub(super) trait Store)]
@@ -47,9 +47,7 @@ pub mod pallet {
 	#[cfg(feature = "std")]
 	impl Default for GenesisConfig {
 		fn default() -> Self {
-			Self {
-				parachain_id: 100.into()
-			}
+			Self { parachain_id: 100.into() }
 		}
 	}
 
@@ -61,11 +59,14 @@ pub mod pallet {
 	}
 
 	#[pallet::type_value]
-	pub(super) fn DefaultForParachainId() -> ParaId { 100.into() }
+	pub(super) fn DefaultForParachainId() -> ParaId {
+		100.into()
+	}
 
 	#[pallet::storage]
 	#[pallet::getter(fn parachain_id)]
-	pub(super) type ParachainId<T: Config> = StorageValue<_, ParaId, ValueQuery, DefaultForParachainId>;
+	pub(super) type ParachainId<T: Config> =
+		StorageValue<_, ParaId, ValueQuery, DefaultForParachainId>;
 
 	impl<T: Config> Get<ParaId> for Pallet<T> {
 		fn get() -> ParaId {

polkadot-parachains/pallets/ping/src/lib.rs

@@ -18,20 +18,20 @@
 
 #![cfg_attr(not(feature = "std"), no_std)]
 
+use cumulus_pallet_xcm::{ensure_sibling_para, Origin as CumulusOrigin};
+use cumulus_primitives_core::ParaId;
+use frame_system::Config as SystemConfig;
+use sp_runtime::traits::Saturating;
 use sp_std::prelude::*;
 use xcm::latest::prelude::*;
-use sp_runtime::traits::Saturating;
-use frame_system::Config as SystemConfig;
-use cumulus_primitives_core::ParaId;
-use cumulus_pallet_xcm::{Origin as CumulusOrigin, ensure_sibling_para};
 
 pub use pallet::*;
 
 #[frame_support::pallet]
 pub mod pallet {
+	use super::*;
 	use frame_support::pallet_prelude::*;
 	use frame_system::pallet_prelude::*;
-	use super::*;
 
 	#[pallet::pallet]
 	#[pallet::generate_store(pub(super) trait Store)]
@@ -43,7 +43,8 @@ pub mod pallet {
 		/// The overarching event type.
 		type Event: From<Event<Self>> + IsType<<Self as frame_system::Config>::Event>;
 
-		type Origin: From<<Self as SystemConfig>::Origin> + Into<Result<CumulusOrigin, <Self as Config>::Origin>>;
+		type Origin: From<<Self as SystemConfig>::Origin>
+			+ Into<Result<CumulusOrigin, <Self as Config>::Origin>>;
 
 		/// The overarching call type; we assume sibling chains use the same type.
 		type Call: From<Call<Self>> + Encode;
@@ -53,29 +54,16 @@ pub mod pallet {
 
 	/// The target parachains to ping.
 	#[pallet::storage]
-	pub(super) type Targets<T: Config> = StorageValue<
-		_,
-		Vec<(ParaId, Vec<u8>)>,
-		ValueQuery,
-	>;
+	pub(super) type Targets<T: Config> = StorageValue<_, Vec<(ParaId, Vec<u8>)>, ValueQuery>;
 
 	/// The total number of pings sent.
 	#[pallet::storage]
-	pub(super) type PingCount<T: Config> = StorageValue<
-		_,
-		u32,
-		ValueQuery,
-	>;
+	pub(super) type PingCount<T: Config> = StorageValue<_, u32, ValueQuery>;
 
 	/// The sent pings.
 	#[pallet::storage]
-	pub(super) type Pings<T: Config> = StorageMap<
-		_,
-		Blake2_128Concat,
-		u32,
-		T::BlockNumber,
-		OptionQuery,
-	>;
+	pub(super) type Pings<T: Config> =
+		StorageMap<_, Blake2_128Concat, u32, T::BlockNumber, OptionQuery>;
 
 	#[pallet::event]
 	#[pallet::generate_deposit(pub(super) fn deposit_event)]
@@ -94,17 +82,23 @@ pub mod pallet {
 
 	#[pallet::hooks]
 	impl<T: Config> Hooks<BlockNumberFor<T>> for Pallet<T> {
-		fn on_finalize(
-			n: T::BlockNumber,
-		) {
+		fn on_finalize(n: T::BlockNumber) {
 			for (para, payload) in Targets::<T>::get().into_iter() {
-				let seq = PingCount::<T>::mutate(|seq| { *seq += 1; *seq });
+				let seq = PingCount::<T>::mutate(|seq| {
+					*seq += 1;
+					*seq
+				});
 				match T::XcmSender::send_xcm(
 					(1, Junction::Parachain(para.into())).into(),
 					Xcm(vec![Transact {
 						origin_type: OriginKind::Native,
 						require_weight_at_most: 1_000,
-						call: <T as Config>::Call::from(Call::<T>::ping { seq, payload: payload.clone() }).encode().into(),
+						call: <T as Config>::Call::from(Call::<T>::ping {
+							seq,
+							payload: payload.clone(),
+						})
+						.encode()
+						.into(),
 					}]),
 				) {
 					Ok(()) => {
@@ -113,7 +107,7 @@ pub mod pallet {
 					},
 					Err(e) => {
 						Self::deposit_event(Event::ErrorSendingPing(e, para, seq, payload));
-					}
+					},
 				}
 			}
 		}
@@ -129,7 +123,12 @@ pub mod pallet {
 		}
 
 		#[pallet::weight(0)]
-		pub fn start_many(origin: OriginFor<T>, para: ParaId, count: u32, payload: Vec<u8>) -> DispatchResult {
+		pub fn start_many(
+			origin: OriginFor<T>,
+			para: ParaId,
+			count: u32,
+			payload: Vec<u8>,
+		) -> DispatchResult {
 			ensure_root(origin)?;
 			for _ in 0..count {
 				Targets::<T>::mutate(|t| t.push((para, payload.clone())));
@@ -140,7 +139,11 @@ pub mod pallet {
 		#[pallet::weight(0)]
 		pub fn stop(origin: OriginFor<T>, para: ParaId) -> DispatchResult {
 			ensure_root(origin)?;
-			Targets::<T>::mutate(|t| if let Some(p) = t.iter().position(|(p, _)| p == &para) { t.swap_remove(p); });
+			Targets::<T>::mutate(|t| {
+				if let Some(p) = t.iter().position(|(p, _)| p == &para) {
+					t.swap_remove(p);
+				}
+			});
 			Ok(())
 		}
 
@@ -166,7 +169,12 @@ pub mod pallet {
 				Xcm(vec![Transact {
 					origin_type: OriginKind::Native,
 					require_weight_at_most: 1_000,
-					call: <T as Config>::Call::from(Call::<T>::pong { seq, payload: payload.clone() } ).encode().into(),
+					call: <T as Config>::Call::from(Call::<T>::pong {
+						seq,
+						payload: payload.clone(),
+					})
+					.encode()
+					.into(),
 				}]),
 			) {
 				Ok(()) => Self::deposit_event(Event::PongSent(para, seq, payload)),
@@ -181,7 +189,12 @@ pub mod pallet {
 			let para = ensure_sibling_para(<T as Config>::Origin::from(origin))?;
 
 			if let Some(sent_at) = Pings::<T>::take(seq) {
-				Self::deposit_event(Event::Ponged(para, seq, payload, frame_system::Pallet::<T>::block_number().saturating_sub(sent_at)));
+				Self::deposit_event(Event::Ponged(
+					para,
+					seq,
+					payload,
+					frame_system::Pallet::<T>::block_number().saturating_sub(sent_at),
+				));
 			} else {
 				// Pong received for a ping we apparently didn't send?!
 				Self::deposit_event(Event::UnknownPong(para, seq, payload));

polkadot-parachains/parachains-common/src/impls.rs

@@ -185,9 +185,7 @@ mod tests {
 	}
 
 	pub fn new_test_ext() -> sp_io::TestExternalities {
-		let mut t = frame_system::GenesisConfig::default()
-			.build_storage::<Test>()
-			.unwrap();
+		let mut t = frame_system::GenesisConfig::default().build_storage::<Test>().unwrap();
 		// We use default for brevity, but you can configure as desired if needed.
 		pallet_balances::GenesisConfig::<Test>::default()
 			.assimilate_storage(&mut t)

polkadot-parachains/rococo/src/lib.rs

@@ -107,10 +107,7 @@ pub const PRIMARY_PROBABILITY: (u64, u64) = (1, 4);
 /// The version information used to identify this runtime when compiled natively.
 #[cfg(feature = "std")]
 pub fn native_version() -> NativeVersion {
-	NativeVersion {
-		runtime_version: VERSION,
-		can_author_with: Default::default(),
-	}
+	NativeVersion { runtime_version: VERSION, can_author_with: Default::default() }
 }
 
 /// We assume that ~10% of the block weight is consumed by `on_initalize` handlers.

polkadot-parachains/shell/src/lib.rs

@@ -75,10 +75,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 /// The version information used to identify this runtime when compiled natively.
 #[cfg(feature = "std")]
 pub fn native_version() -> NativeVersion {
-	NativeVersion {
-		runtime_version: VERSION,
-		can_author_with: Default::default(),
-	}
+	NativeVersion { runtime_version: VERSION, can_author_with: Default::default() }
 }
 
 /// We assume that ~10% of the block weight is consumed by `on_initialize` handlers.

polkadot-parachains/src/chain_spec.rs

@@ -72,10 +72,7 @@ pub fn get_chain_spec(id: ParaId) -> ChainSpec {
 		move || {
 			testnet_genesis(
 				get_account_id_from_seed::<sr25519::Public>("Alice"),
-				vec![
-					get_from_seed::<AuraId>("Alice"),
-					get_from_seed::<AuraId>("Bob"),
-				],
+				vec![get_from_seed::<AuraId>("Alice"), get_from_seed::<AuraId>("Bob")],
 				vec![
 					get_account_id_from_seed::<sr25519::Public>("Alice"),
 					get_account_id_from_seed::<sr25519::Public>("Bob"),
@@ -97,10 +94,7 @@ pub fn get_chain_spec(id: ParaId) -> ChainSpec {
 		None,
 		None,
 		None,
-		Extensions {
-			relay_chain: "westend".into(),
-			para_id: id.into(),
-		},
+		Extensions { relay_chain: "westend".into(), para_id: id.into() },
 	)
 }
 
@@ -114,10 +108,7 @@ pub fn get_shell_chain_spec(id: ParaId) -> ShellChainSpec {
 		None,
 		None,
 		None,
-		Extensions {
-			relay_chain: "westend".into(),
-			para_id: id.into(),
-		},
+		Extensions { relay_chain: "westend".into(), para_id: id.into() },
 	)
 }
 
@@ -138,7 +129,7 @@ pub fn staging_test_net(id: ParaId) -> ChainSpec {
 						.unchecked_into(),
 				],
 				vec![
-					hex!["9ed7705e3c7da027ba0583a22a3212042f7e715d3c168ba14f1424e2bc111d00"].into(),
+					hex!["9ed7705e3c7da027ba0583a22a3212042f7e715d3c168ba14f1424e2bc111d00"].into()
 				],
 				id,
 			)
@@ -147,10 +138,7 @@ pub fn staging_test_net(id: ParaId) -> ChainSpec {
 		None,
 		None,
 		None,
-		Extensions {
-			relay_chain: "westend".into(),
-			para_id: id.into(),
-		},
+		Extensions { relay_chain: "westend".into(), para_id: id.into() },
 	)
 }
 
@@ -168,17 +156,11 @@ fn testnet_genesis(
 			changes_trie_config: Default::default(),
 		},
 		balances: rococo_parachain_runtime::BalancesConfig {
-			balances: endowed_accounts
-				.iter()
-				.cloned()
-				.map(|k| (k, 1 << 60))
-				.collect(),
+			balances: endowed_accounts.iter().cloned().map(|k| (k, 1 << 60)).collect(),
 		},
 		sudo: rococo_parachain_runtime::SudoConfig { key: root_key },
 		parachain_info: rococo_parachain_runtime::ParachainInfoConfig { parachain_id: id },
-		aura: rococo_parachain_runtime::AuraConfig {
-			authorities: initial_authorities,
-		},
+		aura: rococo_parachain_runtime::AuraConfig { authorities: initial_authorities },
 		aura_ext: Default::default(),
 		parachain_system: Default::default(),
 	}
@@ -277,10 +259,7 @@ pub fn statemint_development_config(id: ParaId) -> StatemintChainSpec {
 		None,
 		None,
 		Some(properties),
-		Extensions {
-			relay_chain: "polkadot-dev".into(),
-			para_id: id.into(),
-		},
+		Extensions { relay_chain: "polkadot-dev".into(), para_id: id.into() },
 	)
 }
 
@@ -329,10 +308,7 @@ pub fn statemint_local_config(id: ParaId) -> StatemintChainSpec {
 		None,
 		None,
 		Some(properties),
-		Extensions {
-			relay_chain: "polkadot-local".into(),
-			para_id: id.into(),
-		},
+		Extensions { relay_chain: "polkadot-local".into(), para_id: id.into() },
 	)
 }
 
@@ -349,11 +325,7 @@ fn statemint_genesis(
 			changes_trie_config: Default::default(),
 		},
 		balances: statemint_runtime::BalancesConfig {
-			balances: endowed_accounts
-				.iter()
-				.cloned()
-				.map(|k| (k, STATEMINT_ED * 4096))
-				.collect(),
+			balances: endowed_accounts.iter().cloned().map(|k| (k, STATEMINT_ED * 4096)).collect(),
 		},
 		parachain_info: statemint_runtime::ParachainInfoConfig { parachain_id: id },
 		collator_selection: statemint_runtime::CollatorSelectionConfig {
@@ -413,10 +385,7 @@ pub fn statemine_development_config(id: ParaId) -> StatemineChainSpec {
 		None,
 		None,
 		Some(properties),
-		Extensions {
-			relay_chain: "kusama-dev".into(),
-			para_id: id.into(),
-		},
+		Extensions { relay_chain: "kusama-dev".into(), para_id: id.into() },
 	)
 }
 
@@ -465,10 +434,7 @@ pub fn statemine_local_config(id: ParaId) -> StatemineChainSpec {
 		None,
 		None,
 		Some(properties),
-		Extensions {
-			relay_chain: "kusama-local".into(),
-			para_id: id.into(),
-		},
+		Extensions { relay_chain: "kusama-local".into(), para_id: id.into() },
 	)
 }
 
@@ -520,10 +486,7 @@ pub fn statemine_config(id: ParaId) -> StatemineChainSpec {
 		None,
 		None,
 		Some(properties),
-		Extensions {
-			relay_chain: "kusama".into(),
-			para_id: id.into(),
-		},
+		Extensions { relay_chain: "kusama".into(), para_id: id.into() },
 	)
 }
 
@@ -540,11 +503,7 @@ fn statemine_genesis(
 			changes_trie_config: Default::default(),
 		},
 		balances: statemine_runtime::BalancesConfig {
-			balances: endowed_accounts
-				.iter()
-				.cloned()
-				.map(|k| (k, STATEMINE_ED * 4096))
-				.collect(),
+			balances: endowed_accounts.iter().cloned().map(|k| (k, STATEMINE_ED * 4096)).collect(),
 		},
 		parachain_info: statemine_runtime::ParachainInfoConfig { parachain_id: id },
 		collator_selection: statemine_runtime::CollatorSelectionConfig {
@@ -603,10 +562,7 @@ pub fn westmint_development_config(id: ParaId) -> WestmintChainSpec {
 		None,
 		None,
 		Some(properties),
-		Extensions {
-			relay_chain: "westend".into(),
-			para_id: id.into(),
-		},
+		Extensions { relay_chain: "westend".into(), para_id: id.into() },
 	)
 }
 
@@ -656,10 +612,7 @@ pub fn westmint_local_config(id: ParaId) -> WestmintChainSpec {
 		None,
 		None,
 		Some(properties),
-		Extensions {
-			relay_chain: "westend-local".into(),
-			para_id: id.into(),
-		},
+		Extensions { relay_chain: "westend-local".into(), para_id: id.into() },
 	)
 }
 
@@ -713,10 +666,7 @@ pub fn westmint_config(id: ParaId) -> WestmintChainSpec {
 		None,
 		None,
 		Some(properties),
-		Extensions {
-			relay_chain: "westend".into(),
-			para_id: id.into(),
-		},
+		Extensions { relay_chain: "westend".into(), para_id: id.into() },
 	)
 }
 
@@ -734,11 +684,7 @@ fn westmint_genesis(
 			changes_trie_config: Default::default(),
 		},
 		balances: westmint_runtime::BalancesConfig {
-			balances: endowed_accounts
-				.iter()
-				.cloned()
-				.map(|k| (k, WESTMINT_ED * 4096))
-				.collect(),
+			balances: endowed_accounts.iter().cloned().map(|k| (k, WESTMINT_ED * 4096)).collect(),
 		},
 		sudo: westmint_runtime::SudoConfig { key: root_key },
 		parachain_info: westmint_runtime::ParachainInfoConfig { parachain_id: id },

polkadot-parachains/src/cli.rs

@@ -132,14 +132,7 @@ impl RelayChainCli {
 	) -> Self {
 		let extension = chain_spec::Extensions::try_get(&*para_config.chain_spec);
 		let chain_id = extension.map(|e| e.relay_chain.clone());
-		let base_path = para_config
-			.base_path
-			.as_ref()
-			.map(|x| x.path().join("polkadot"));
-		Self {
-			base_path,
-			chain_id,
-			base: polkadot_cli::RunCmd::from_iter(relay_chain_args),
-		}
+		let base_path = para_config.base_path.as_ref().map(|x| x.path().join("polkadot"));
+		Self { base_path, chain_id, base: polkadot_cli::RunCmd::from_iter(relay_chain_args) }
 	}
 }

polkadot-parachains/src/command.rs

@@ -124,7 +124,7 @@ fn load_spec(
 			} else {
 				Box::new(chain_spec)
 			}
-		}
+		},
 	})
 }
 
@@ -292,27 +292,27 @@ pub fn run() -> Result<()> {
 		Some(Subcommand::BuildSpec(cmd)) => {
 			let runner = cli.create_runner(cmd)?;
 			runner.sync_run(|config| cmd.run(config.chain_spec, config.network))
-		}
+		},
 		Some(Subcommand::CheckBlock(cmd)) => {
 			construct_async_run!(|components, cli, cmd, config| {
 				Ok(cmd.run(components.client, components.import_queue))
 			})
-		}
+		},
 		Some(Subcommand::ExportBlocks(cmd)) => {
 			construct_async_run!(|components, cli, cmd, config| {
 				Ok(cmd.run(components.client, config.database))
 			})
-		}
+		},
 		Some(Subcommand::ExportState(cmd)) => {
 			construct_async_run!(|components, cli, cmd, config| {
 				Ok(cmd.run(components.client, config.chain_spec))
 			})
-		}
+		},
 		Some(Subcommand::ImportBlocks(cmd)) => {
 			construct_async_run!(|components, cli, cmd, config| {
 				Ok(cmd.run(components.client, components.import_queue))
 			})
-		}
+		},
 		Some(Subcommand::PurgeChain(cmd)) => {
 			let runner = cli.create_runner(cmd)?;
 
@@ -333,7 +333,7 @@ pub fn run() -> Result<()> {
 
 				cmd.run(config, polkadot_config)
 			})
-		}
+		},
 		Some(Subcommand::Revert(cmd)) => construct_async_run!(|components, cli, cmd, config| {
 			Ok(cmd.run(components.client, components.backend))
 		}),
@@ -360,7 +360,7 @@ pub fn run() -> Result<()> {
 			}
 
 			Ok(())
-		}
+		},
 		Some(Subcommand::ExportGenesisWasm(params)) => {
 			let mut builder = sc_cli::LoggerBuilder::new("");
 			builder.with_profiling(sc_tracing::TracingReceiver::Log, "");
@@ -381,8 +381,8 @@ pub fn run() -> Result<()> {
 			}
 
 			Ok(())
-		}
-		Some(Subcommand::Benchmark(cmd)) => {
+		},
+		Some(Subcommand::Benchmark(cmd)) =>
 			if cfg!(feature = "runtime-benchmarks") {
 				let runner = cli.create_runner(cmd)?;
 				if runner.config().chain_spec.is_statemine() {
@@ -398,8 +398,7 @@ pub fn run() -> Result<()> {
 				Err("Benchmarking wasn't enabled when building the node. \
 				You can enable it with `--features runtime-benchmarks`."
 					.into())
-			}
-		}
+			},
 		None => {
 			let runner = cli.create_runner(&cli.run.normalize())?;
 
@@ -431,14 +430,7 @@ pub fn run() -> Result<()> {
 				info!("Parachain id: {:?}", id);
 				info!("Parachain Account: {}", parachain_account);
 				info!("Parachain genesis state: {}", genesis_state);
-				info!(
-					"Is collating: {}",
-					if config.role.is_authority() {
-						"yes"
-					} else {
-						"no"
-					}
-				);
+				info!("Is collating: {}", if config.role.is_authority() { "yes" } else { "no" });
 
 				if config.chain_spec.is_statemint() {
 					crate::service::start_statemint_node::<
@@ -476,7 +468,7 @@ pub fn run() -> Result<()> {
 						.map_err(Into::into)
 				}
 			})
-		}
+		},
 	}
 }
 
@@ -545,11 +537,7 @@ impl CliConfiguration<Self> for RelayChainCli {
 	fn chain_id(&self, is_dev: bool) -> Result<String> {
 		let chain_id = self.base.base.chain_id(is_dev)?;
 
-		Ok(if chain_id.is_empty() {
-			self.chain_id.clone().unwrap_or_default()
-		} else {
-			chain_id
-		})
+		Ok(if chain_id.is_empty() { self.chain_id.clone().unwrap_or_default() } else { chain_id })
 	}
 
 	fn role(&self, is_dev: bool) -> Result<sc_service::Role> {

polkadot-parachains/src/rpc.rs

@@ -61,20 +61,10 @@ where
 	use pallet_transaction_payment_rpc::{TransactionPayment, TransactionPaymentApi};
 
 	let mut io = jsonrpc_core::IoHandler::default();
-	let FullDeps {
-		client,
-		pool,
-		deny_unsafe,
-	} = deps;
+	let FullDeps { client, pool, deny_unsafe } = deps;
 
-	io.extend_with(SystemApi::to_delegate(FullSystem::new(
-		client.clone(),
-		pool,
-		deny_unsafe,
-	)));
-	io.extend_with(TransactionPaymentApi::to_delegate(TransactionPayment::new(
-		client.clone(),
-	)));
+	io.extend_with(SystemApi::to_delegate(FullSystem::new(client.clone(), pool, deny_unsafe)));
+	io.extend_with(TransactionPaymentApi::to_delegate(TransactionPayment::new(client.clone())));
 
 	io
 }

polkadot-parachains/src/service.rs

@@ -308,7 +308,7 @@ where
 	) -> Result<Box<dyn ParachainConsensus<Block>>, sc_service::Error>,
 {
 	if matches!(parachain_config.role, Role::Light) {
-		return Err("Light client not supported!".into());
+		return Err("Light client not supported!".into())
 	}
 
 	let parachain_config = prepare_node_config(parachain_config);
@@ -486,7 +486,7 @@ where
 	) -> Result<Box<dyn ParachainConsensus<Block>>, sc_service::Error>,
 {
 	if matches!(parachain_config.role, Role::Light) {
-		return Err("Light client not supported!".into());
+		return Err("Light client not supported!".into())
 	}
 
 	let parachain_config = prepare_node_config(parachain_config);
@@ -800,13 +800,7 @@ pub async fn start_shell_node(
 		TFullClient<Block, shell_runtime::RuntimeApi, NativeElseWasmExecutor<ShellRuntimeExecutor>>,
 	>,
 )> {
-	start_shell_node_impl::<
-		shell_runtime::RuntimeApi,
-		ShellRuntimeExecutor,
-		_,
-		_,
-		_,
-	>(
+	start_shell_node_impl::<shell_runtime::RuntimeApi, ShellRuntimeExecutor, _, _, _>(
 		parachain_config,
 		polkadot_config,
 		id,
@@ -832,17 +826,15 @@ pub async fn start_shell_node(
 			let relay_chain_backend = relay_chain_node.backend.clone();
 			let relay_chain_client = relay_chain_node.client.clone();
 
-			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(),
-						relay_chain_client: relay_chain_node.client.clone(),
-						relay_chain_backend: relay_chain_node.backend.clone(),
-						create_inherent_data_providers:
-							move |_, (relay_parent, validation_data)| {
-								let parachain_inherent =
+			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(),
+					relay_chain_client: relay_chain_node.client.clone(),
+					relay_chain_backend: relay_chain_node.backend.clone(),
+					create_inherent_data_providers: move |_, (relay_parent, validation_data)| {
+						let parachain_inherent =
 					cumulus_primitives_parachain_inherent::ParachainInherentData::create_at_with_client(
 						relay_parent,
 						&relay_chain_client,
@@ -850,19 +842,17 @@ pub async fn start_shell_node(
 							&validation_data,
 							id,
 					);
-								async move {
-									let parachain_inherent =
-										parachain_inherent.ok_or_else(|| {
-											Box::<dyn std::error::Error + Send + Sync>::from(
-												"Failed to create parachain inherent",
-											)
-										})?;
-									Ok(parachain_inherent)
-								}
-							},
+						async move {
+							let parachain_inherent = parachain_inherent.ok_or_else(|| {
+								Box::<dyn std::error::Error + Send + Sync>::from(
+									"Failed to create parachain inherent",
+								)
+							})?;
+							Ok(parachain_inherent)
+						}
 					},
-				),
-			)
+				},
+			))
 		},
 	)
 	.await
@@ -879,7 +869,7 @@ impl<R> BuildOnAccess<R> {
 			match self {
 				Self::Uninitialized(f) => {
 					*self = Self::Initialized((f.take().unwrap())());
-				}
+				},
 				Self::Initialized(ref mut r) => return r,
 			}
 		}
@@ -954,13 +944,7 @@ where
 	async fn verify(
 		&mut self,
 		block_import: BlockImportParams<Block, ()>,
-	) -> Result<
-		(
-			BlockImportParams<Block, ()>,
-			Option<Vec<(CacheKeyId, Vec<u8>)>>,
-		),
-		String,
-	> {
+	) -> Result<(BlockImportParams<Block, ()>, Option<Vec<(CacheKeyId, Vec<u8>)>>), String> {
 		let block_id = BlockId::hash(*block_import.header.parent_hash());
 
 		if self
@@ -1036,9 +1020,8 @@ where
 		})) as Box<_>
 	};
 
-	let relay_chain_verifier = Box::new(RelayChainVerifier::new(client.clone(), |_, _| async {
-		Ok(())
-	})) as Box<_>;
+	let relay_chain_verifier =
+		Box::new(RelayChainVerifier::new(client.clone(), |_, _| async { Ok(()) })) as Box<_>;
 
 	let verifier = Verifier {
 		client: client.clone(),

polkadot-parachains/statemine/src/constants.rs

@@ -32,13 +32,13 @@ pub mod currency {
 
 /// Fee-related.
 pub mod fee {
-	use node_primitives::Balance;
-	pub use sp_runtime::Perbill;
 	use frame_support::weights::{
 		constants::ExtrinsicBaseWeight, WeightToFeeCoefficient, WeightToFeeCoefficients,
 		WeightToFeePolynomial,
 	};
+	use node_primitives::Balance;
 	use smallvec::smallvec;
+	pub use sp_runtime::Perbill;
 
 	/// The block saturation level. Fees will be updates based on this value.
 	pub const TARGET_BLOCK_FULLNESS: Perbill = Perbill::from_percent(25);

polkadot-parachains/statemine/src/lib.rs

@@ -99,10 +99,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 /// The version information used to identify this runtime when compiled natively.
 #[cfg(feature = "std")]
 pub fn native_version() -> NativeVersion {
-	NativeVersion {
-		runtime_version: VERSION,
-		can_author_with: Default::default(),
-	}
+	NativeVersion { runtime_version: VERSION, can_author_with: Default::default() }
 }
 
 parameter_types! {
@@ -320,7 +317,16 @@ parameter_types! {
 
 /// The type used to represent the kinds of proxying allowed.
 #[derive(
-	Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Encode, Decode, RuntimeDebug, MaxEncodedLen,
+	Copy,
+	Clone,
+	Eq,
+	PartialEq,
+	Ord,
+	PartialOrd,
+	Encode,
+	Decode,
+	RuntimeDebug,
+	MaxEncodedLen,
 	scale_info::TypeInfo,
 )]
 pub enum ProxyType {
@@ -348,58 +354,56 @@ impl InstanceFilter<Call> for ProxyType {
 	fn filter(&self, c: &Call) -> bool {
 		match self {
 			ProxyType::Any => true,
-			ProxyType::NonTransfer => {
-				!matches!(c, Call::Balances { .. } | Call::Assets { .. } | Call::Uniques { .. })
-			}
+			ProxyType::NonTransfer =>
+				!matches!(c, Call::Balances { .. } | Call::Assets { .. } | Call::Uniques { .. }),
 			ProxyType::CancelProxy => matches!(
 				c,
-				Call::Proxy(pallet_proxy::Call::reject_announcement { .. })
-					| Call::Utility { .. } | Call::Multisig { .. }
+				Call::Proxy(pallet_proxy::Call::reject_announcement { .. }) |
+					Call::Utility { .. } | Call::Multisig { .. }
 			),
 			ProxyType::Assets => {
 				matches!(
 					c,
-					Call::Assets { .. }
-						| Call::Utility { .. }
-						| Call::Multisig { .. }
-						| Call::Uniques { .. }
+					Call::Assets { .. } |
+						Call::Utility { .. } | Call::Multisig { .. } |
+						Call::Uniques { .. }
 				)
-			}
+			},
 			ProxyType::AssetOwner => matches!(
 				c,
-				Call::Assets(pallet_assets::Call::create { .. })
-					| Call::Assets(pallet_assets::Call::destroy { .. })
-					| Call::Assets(pallet_assets::Call::transfer_ownership { .. })
-					| Call::Assets(pallet_assets::Call::set_team { .. })
-					| Call::Assets(pallet_assets::Call::set_metadata { .. })
-					| Call::Assets(pallet_assets::Call::clear_metadata { .. })
-					| Call::Uniques(pallet_uniques::Call::create { .. })
-					| Call::Uniques(pallet_uniques::Call::destroy { .. })
-					| Call::Uniques(pallet_uniques::Call::transfer_ownership { .. })
-					| Call::Uniques(pallet_uniques::Call::set_team { .. })
-					| Call::Uniques(pallet_uniques::Call::set_metadata { .. })
-					| Call::Uniques(pallet_uniques::Call::set_attribute { .. })
-					| Call::Uniques(pallet_uniques::Call::set_class_metadata { .. })
-					| Call::Uniques(pallet_uniques::Call::clear_metadata { .. })
-					| Call::Uniques(pallet_uniques::Call::clear_attribute { .. })
-					| Call::Uniques(pallet_uniques::Call::clear_class_metadata { .. })
-					| Call::Utility { .. } | Call::Multisig { .. }
+				Call::Assets(pallet_assets::Call::create { .. }) |
+					Call::Assets(pallet_assets::Call::destroy { .. }) |
+					Call::Assets(pallet_assets::Call::transfer_ownership { .. }) |
+					Call::Assets(pallet_assets::Call::set_team { .. }) |
+					Call::Assets(pallet_assets::Call::set_metadata { .. }) |
+					Call::Assets(pallet_assets::Call::clear_metadata { .. }) |
+					Call::Uniques(pallet_uniques::Call::create { .. }) |
+					Call::Uniques(pallet_uniques::Call::destroy { .. }) |
+					Call::Uniques(pallet_uniques::Call::transfer_ownership { .. }) |
+					Call::Uniques(pallet_uniques::Call::set_team { .. }) |
+					Call::Uniques(pallet_uniques::Call::set_metadata { .. }) |
+					Call::Uniques(pallet_uniques::Call::set_attribute { .. }) |
+					Call::Uniques(pallet_uniques::Call::set_class_metadata { .. }) |
+					Call::Uniques(pallet_uniques::Call::clear_metadata { .. }) |
+					Call::Uniques(pallet_uniques::Call::clear_attribute { .. }) |
+					Call::Uniques(pallet_uniques::Call::clear_class_metadata { .. }) |
+					Call::Utility { .. } | Call::Multisig { .. }
 			),
 			ProxyType::AssetManager => matches!(
 				c,
-				Call::Assets(pallet_assets::Call::mint { .. })
-					| Call::Assets(pallet_assets::Call::burn { .. })
-					| Call::Assets(pallet_assets::Call::freeze { .. })
-					| Call::Assets(pallet_assets::Call::thaw { .. })
-					| Call::Assets(pallet_assets::Call::freeze_asset { .. })
-					| Call::Assets(pallet_assets::Call::thaw_asset { .. })
-					| Call::Uniques(pallet_uniques::Call::mint { .. })
-					| Call::Uniques(pallet_uniques::Call::burn { .. })
-					| Call::Uniques(pallet_uniques::Call::freeze { .. })
-					| Call::Uniques(pallet_uniques::Call::thaw { .. })
-					| Call::Uniques(pallet_uniques::Call::freeze_class { .. })
-					| Call::Uniques(pallet_uniques::Call::thaw_class { .. })
-					| Call::Utility { .. } | Call::Multisig { .. }
+				Call::Assets(pallet_assets::Call::mint { .. }) |
+					Call::Assets(pallet_assets::Call::burn { .. }) |
+					Call::Assets(pallet_assets::Call::freeze { .. }) |
+					Call::Assets(pallet_assets::Call::thaw { .. }) |
+					Call::Assets(pallet_assets::Call::freeze_asset { .. }) |
+					Call::Assets(pallet_assets::Call::thaw_asset { .. }) |
+					Call::Uniques(pallet_uniques::Call::mint { .. }) |
+					Call::Uniques(pallet_uniques::Call::burn { .. }) |
+					Call::Uniques(pallet_uniques::Call::freeze { .. }) |
+					Call::Uniques(pallet_uniques::Call::thaw { .. }) |
+					Call::Uniques(pallet_uniques::Call::freeze_class { .. }) |
+					Call::Uniques(pallet_uniques::Call::thaw_class { .. }) |
+					Call::Utility { .. } | Call::Multisig { .. }
 			),
 			ProxyType::Collator => matches!(
 				c,

polkadot-parachains/statemine/src/weights/mod.rs

@@ -1,7 +1,7 @@
 pub mod pallet_assets;
 pub mod pallet_balances;
-pub mod pallet_multisig;
 pub mod pallet_collator_selection;
+pub mod pallet_multisig;
 pub mod pallet_proxy;
 pub mod pallet_session;
 pub mod pallet_timestamp;

polkadot-parachains/statemine/src/weights/pallet_assets.rs

@@ -1,4 +1,3 @@
-
 //! Autogenerated weights for pallet_assets
 //!
 //! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 3.0.0
@@ -18,7 +17,6 @@
 // --raw
 // --output=./runtime/statemine/src/weights/
 
-
 #![allow(unused_parens)]
 #![allow(unused_imports)]
 
@@ -38,7 +36,7 @@ impl<T: frame_system::Config> pallet_assets::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn destroy(c: u32, s: u32, a: u32, ) -> Weight {
+	fn destroy(c: u32, s: u32, a: u32) -> Weight {
 		(0 as Weight)
 			// Standard Error: 37_000
 			.saturating_add((21_529_000 as Weight).saturating_mul(c as Weight))
@@ -109,7 +107,7 @@ impl<T: frame_system::Config> pallet_assets::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn set_metadata(_n: u32, s: u32, ) -> Weight {
+	fn set_metadata(_n: u32, s: u32) -> Weight {
 		(50_315_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((8_000 as Weight).saturating_mul(s as Weight))
@@ -121,7 +119,7 @@ impl<T: frame_system::Config> pallet_assets::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn force_set_metadata(_n: u32, s: u32, ) -> Weight {
+	fn force_set_metadata(_n: u32, s: u32) -> Weight {
 		(25_933_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((7_000 as Weight).saturating_mul(s as Weight))

polkadot-parachains/statemine/src/weights/pallet_balances.rs

@@ -1,4 +1,3 @@
-
 //! Autogenerated weights for pallet_balances
 //!
 //! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 3.0.0
@@ -18,7 +17,6 @@
 // --raw
 // --output=./runtime/statemine/src/weights/
 
-
 #![allow(unused_parens)]
 #![allow(unused_imports)]
 

polkadot-parachains/statemine/src/weights/pallet_collator_selection.rs

@@ -1,4 +1,3 @@
-
 //! Autogenerated weights for pallet_collator_selection
 //!
 //! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 3.0.0
@@ -18,7 +17,6 @@
 // --raw
 // --output=./runtime/statemine/src/weights/
 
-
 #![allow(unused_parens)]
 #![allow(unused_imports)]
 
@@ -28,28 +26,26 @@ use sp_std::marker::PhantomData;
 /// Weight functions for pallet_collator_selection.
 pub struct WeightInfo<T>(PhantomData<T>);
 impl<T: frame_system::Config> pallet_collator_selection::WeightInfo for WeightInfo<T> {
-	fn set_invulnerables(b: u32, ) -> Weight {
+	fn set_invulnerables(b: u32) -> Weight {
 		(18_481_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((67_000 as Weight).saturating_mul(b as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
 	fn set_desired_candidates() -> Weight {
-		(16_376_000 as Weight)
-			.saturating_add(T::DbWeight::get().writes(1 as Weight))
+		(16_376_000 as Weight).saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
 	fn set_candidacy_bond() -> Weight {
-		(17_031_000 as Weight)
-			.saturating_add(T::DbWeight::get().writes(1 as Weight))
+		(17_031_000 as Weight).saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn register_as_candidate(c: u32, ) -> Weight {
+	fn register_as_candidate(c: u32) -> Weight {
 		(72_345_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((197_000 as Weight).saturating_mul(c as Weight))
 			.saturating_add(T::DbWeight::get().reads(4 as Weight))
 			.saturating_add(T::DbWeight::get().writes(2 as Weight))
 	}
-	fn leave_intent(c: u32, ) -> Weight {
+	fn leave_intent(c: u32) -> Weight {
 		(55_446_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((153_000 as Weight).saturating_mul(c as Weight))
@@ -61,7 +57,7 @@ impl<T: frame_system::Config> pallet_collator_selection::WeightInfo for WeightIn
 			.saturating_add(T::DbWeight::get().reads(3 as Weight))
 			.saturating_add(T::DbWeight::get().writes(4 as Weight))
 	}
-	fn new_session(r: u32, c: u32, ) -> Weight {
+	fn new_session(r: u32, c: u32) -> Weight {
 		(0 as Weight)
 			// Standard Error: 1_004_000
 			.saturating_add((110_066_000 as Weight).saturating_mul(r as Weight))

polkadot-parachains/statemine/src/weights/pallet_multisig.rs

@@ -1,4 +1,3 @@
-
 //! Autogenerated weights for pallet_multisig
 //!
 //! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 3.0.0
@@ -18,7 +17,6 @@
 // --raw
 // --output=./runtime/statemine/src/weights/
 
-
 #![allow(unused_parens)]
 #![allow(unused_imports)]
 
@@ -28,12 +26,12 @@ use sp_std::marker::PhantomData;
 /// Weight functions for pallet_multisig.
 pub struct WeightInfo<T>(PhantomData<T>);
 impl<T: frame_system::Config> pallet_multisig::WeightInfo for WeightInfo<T> {
-	fn as_multi_threshold_1(z: u32, ) -> Weight {
+	fn as_multi_threshold_1(z: u32) -> Weight {
 		(15_911_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((1_000 as Weight).saturating_mul(z as Weight))
 	}
-	fn as_multi_create(s: u32, z: u32, ) -> Weight {
+	fn as_multi_create(s: u32, z: u32) -> Weight {
 		(55_326_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((133_000 as Weight).saturating_mul(s as Weight))
@@ -42,7 +40,7 @@ impl<T: frame_system::Config> pallet_multisig::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn as_multi_create_store(s: u32, z: u32, ) -> Weight {
+	fn as_multi_create_store(s: u32, z: u32) -> Weight {
 		(62_423_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((133_000 as Weight).saturating_mul(s as Weight))
@@ -51,7 +49,7 @@ impl<T: frame_system::Config> pallet_multisig::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(3 as Weight))
 			.saturating_add(T::DbWeight::get().writes(2 as Weight))
 	}
-	fn as_multi_approve(s: u32, z: u32, ) -> Weight {
+	fn as_multi_approve(s: u32, z: u32) -> Weight {
 		(32_430_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((148_000 as Weight).saturating_mul(s as Weight))
@@ -60,7 +58,7 @@ impl<T: frame_system::Config> pallet_multisig::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn as_multi_approve_store(s: u32, z: u32, ) -> Weight {
+	fn as_multi_approve_store(s: u32, z: u32) -> Weight {
 		(59_789_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((165_000 as Weight).saturating_mul(s as Weight))
@@ -69,7 +67,7 @@ impl<T: frame_system::Config> pallet_multisig::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(2 as Weight))
 	}
-	fn as_multi_complete(s: u32, z: u32, ) -> Weight {
+	fn as_multi_complete(s: u32, z: u32) -> Weight {
 		(80_926_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((276_000 as Weight).saturating_mul(s as Weight))
@@ -78,28 +76,28 @@ impl<T: frame_system::Config> pallet_multisig::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(3 as Weight))
 			.saturating_add(T::DbWeight::get().writes(3 as Weight))
 	}
-	fn approve_as_multi_create(s: u32, ) -> Weight {
+	fn approve_as_multi_create(s: u32) -> Weight {
 		(54_860_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((134_000 as Weight).saturating_mul(s as Weight))
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn approve_as_multi_approve(s: u32, ) -> Weight {
+	fn approve_as_multi_approve(s: u32) -> Weight {
 		(31_924_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((154_000 as Weight).saturating_mul(s as Weight))
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn approve_as_multi_complete(s: u32, ) -> Weight {
+	fn approve_as_multi_complete(s: u32) -> Weight {
 		(154_001_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((281_000 as Weight).saturating_mul(s as Weight))
 			.saturating_add(T::DbWeight::get().reads(3 as Weight))
 			.saturating_add(T::DbWeight::get().writes(3 as Weight))
 	}
-	fn cancel_as_multi(s: u32, ) -> Weight {
+	fn cancel_as_multi(s: u32) -> Weight {
 		(103_770_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((130_000 as Weight).saturating_mul(s as Weight))

polkadot-parachains/statemine/src/weights/pallet_proxy.rs

@@ -1,4 +1,3 @@
-
 //! Autogenerated weights for pallet_proxy
 //!
 //! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 3.0.0
@@ -18,7 +17,6 @@
 // --raw
 // --output=./runtime/statemine/src/weights/
 
-
 #![allow(unused_parens)]
 #![allow(unused_imports)]
 
@@ -28,13 +26,13 @@ use sp_std::marker::PhantomData;
 /// Weight functions for pallet_proxy.
 pub struct WeightInfo<T>(PhantomData<T>);
 impl<T: frame_system::Config> pallet_proxy::WeightInfo for WeightInfo<T> {
-	fn proxy(p: u32, ) -> Weight {
+	fn proxy(p: u32) -> Weight {
 		(27_318_000 as Weight)
 			// Standard Error: 1_000
 			.saturating_add((208_000 as Weight).saturating_mul(p as Weight))
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 	}
-	fn proxy_announced(a: u32, p: u32, ) -> Weight {
+	fn proxy_announced(a: u32, p: u32) -> Weight {
 		(60_665_000 as Weight)
 			// Standard Error: 2_000
 			.saturating_add((677_000 as Weight).saturating_mul(a as Weight))
@@ -43,7 +41,7 @@ impl<T: frame_system::Config> pallet_proxy::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(3 as Weight))
 			.saturating_add(T::DbWeight::get().writes(2 as Weight))
 	}
-	fn remove_announcement(a: u32, p: u32, ) -> Weight {
+	fn remove_announcement(a: u32, p: u32) -> Weight {
 		(39_455_000 as Weight)
 			// Standard Error: 2_000
 			.saturating_add((687_000 as Weight).saturating_mul(a as Weight))
@@ -52,7 +50,7 @@ impl<T: frame_system::Config> pallet_proxy::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(2 as Weight))
 	}
-	fn reject_announcement(a: u32, p: u32, ) -> Weight {
+	fn reject_announcement(a: u32, p: u32) -> Weight {
 		(39_411_000 as Weight)
 			// Standard Error: 2_000
 			.saturating_add((686_000 as Weight).saturating_mul(a as Weight))
@@ -61,7 +59,7 @@ impl<T: frame_system::Config> pallet_proxy::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(2 as Weight))
 	}
-	fn announce(a: u32, p: u32, ) -> Weight {
+	fn announce(a: u32, p: u32) -> Weight {
 		(54_386_000 as Weight)
 			// Standard Error: 2_000
 			.saturating_add((677_000 as Weight).saturating_mul(a as Weight))
@@ -70,35 +68,35 @@ impl<T: frame_system::Config> pallet_proxy::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(3 as Weight))
 			.saturating_add(T::DbWeight::get().writes(2 as Weight))
 	}
-	fn add_proxy(p: u32, ) -> Weight {
+	fn add_proxy(p: u32) -> Weight {
 		(37_411_000 as Weight)
 			// Standard Error: 2_000
 			.saturating_add((298_000 as Weight).saturating_mul(p as Weight))
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn remove_proxy(p: u32, ) -> Weight {
+	fn remove_proxy(p: u32) -> Weight {
 		(36_658_000 as Weight)
 			// Standard Error: 2_000
 			.saturating_add((332_000 as Weight).saturating_mul(p as Weight))
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn remove_proxies(p: u32, ) -> Weight {
+	fn remove_proxies(p: u32) -> Weight {
 		(34_893_000 as Weight)
 			// Standard Error: 1_000
 			.saturating_add((209_000 as Weight).saturating_mul(p as Weight))
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn anonymous(p: u32, ) -> Weight {
+	fn anonymous(p: u32) -> Weight {
 		(51_243_000 as Weight)
 			// Standard Error: 1_000
 			.saturating_add((44_000 as Weight).saturating_mul(p as Weight))
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn kill_anonymous(p: u32, ) -> Weight {
+	fn kill_anonymous(p: u32) -> Weight {
 		(37_188_000 as Weight)
 			// Standard Error: 1_000
 			.saturating_add((208_000 as Weight).saturating_mul(p as Weight))

polkadot-parachains/statemine/src/weights/pallet_session.rs

@@ -1,4 +1,3 @@
-
 //! Autogenerated weights for pallet_session
 //!
 //! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 3.0.0
@@ -18,7 +17,6 @@
 // --raw
 // --output=./polkadot-parachains/statemine-runtime/src/weights
 
-
 #![allow(unused_parens)]
 #![allow(unused_imports)]
 

polkadot-parachains/statemine/src/weights/pallet_timestamp.rs

@@ -1,4 +1,3 @@
-
 //! Autogenerated weights for pallet_timestamp
 //!
 //! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 3.0.0
@@ -18,7 +17,6 @@
 // --raw
 // --output=./runtime/statemine/src/weights/
 
-
 #![allow(unused_parens)]
 #![allow(unused_imports)]
 

polkadot-parachains/statemine/src/weights/pallet_uniques.rs

@@ -34,7 +34,6 @@
 // --header=./file_header.txt
 // --output=./polkadot-parachains/statemine-runtime/src/weights/
 
-
 #![allow(unused_parens)]
 #![allow(unused_imports)]
 
@@ -54,7 +53,7 @@ impl<T: frame_system::Config> pallet_uniques::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn destroy(n: u32, m: u32, a: u32, ) -> Weight {
+	fn destroy(n: u32, m: u32, a: u32) -> Weight {
 		(0 as Weight)
 			// Standard Error: 14_000
 			.saturating_add((16_814_000 as Weight).saturating_mul(n as Weight))
@@ -84,7 +83,7 @@ impl<T: frame_system::Config> pallet_uniques::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(3 as Weight))
 	}
-	fn redeposit(i: u32, ) -> Weight {
+	fn redeposit(i: u32) -> Weight {
 		(0 as Weight)
 			// Standard Error: 11_000
 			.saturating_add((26_921_000 as Weight).saturating_mul(i as Weight))

polkadot-parachains/statemine/src/weights/pallet_utility.rs

@@ -1,4 +1,3 @@
-
 //! Autogenerated weights for pallet_utility
 //!
 //! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 3.0.0
@@ -18,7 +17,6 @@
 // --raw
 // --output=./runtime/statemine/src/weights/
 
-
 #![allow(unused_parens)]
 #![allow(unused_imports)]
 
@@ -28,7 +26,7 @@ use sp_std::marker::PhantomData;
 /// Weight functions for pallet_utility.
 pub struct WeightInfo<T>(PhantomData<T>);
 impl<T: frame_system::Config> pallet_utility::WeightInfo for WeightInfo<T> {
-	fn batch(c: u32, ) -> Weight {
+	fn batch(c: u32) -> Weight {
 		(16_177_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((4_582_000 as Weight).saturating_mul(c as Weight))
@@ -36,7 +34,7 @@ impl<T: frame_system::Config> pallet_utility::WeightInfo for WeightInfo<T> {
 	fn as_derivative() -> Weight {
 		(7_848_000 as Weight)
 	}
-	fn batch_all(c: u32, ) -> Weight {
+	fn batch_all(c: u32) -> Weight {
 		(17_745_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((4_578_000 as Weight).saturating_mul(c as Weight))

polkadot-parachains/statemint/src/constants.rs

@@ -21,7 +21,7 @@ pub mod currency {
 
 	pub const UNITS: Balance = 10_000_000_000;
 	pub const DOLLARS: Balance = UNITS;
-	pub const CENTS: Balance = UNITS / 100;        // 100_000_000
+	pub const CENTS: Balance = UNITS / 100; // 100_000_000
 	pub const MILLICENTS: Balance = CENTS / 1_000; // 100_000
 
 	pub const fn deposit(items: u32, bytes: u32) -> Balance {
@@ -32,13 +32,13 @@ pub mod currency {
 
 /// Fee-related.
 pub mod fee {
-	use node_primitives::Balance;
-	pub use sp_runtime::Perbill;
 	use frame_support::weights::{
 		constants::ExtrinsicBaseWeight, WeightToFeeCoefficient, WeightToFeeCoefficients,
 		WeightToFeePolynomial,
 	};
+	use node_primitives::Balance;
 	use smallvec::smallvec;
+	pub use sp_runtime::Perbill;
 
 	/// The block saturation level. Fees will be updates based on this value.
 	pub const TARGET_BLOCK_FULLNESS: Perbill = Perbill::from_percent(25);

polkadot-parachains/statemint/src/lib.rs

@@ -99,10 +99,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 /// The version information used to identify this runtime when compiled natively.
 #[cfg(feature = "std")]
 pub fn native_version() -> NativeVersion {
-	NativeVersion {
-		runtime_version: VERSION,
-		can_author_with: Default::default(),
-	}
+	NativeVersion { runtime_version: VERSION, can_author_with: Default::default() }
 }
 
 parameter_types! {
@@ -287,7 +284,16 @@ parameter_types! {
 
 /// The type used to represent the kinds of proxying allowed.
 #[derive(
-	Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Encode, Decode, RuntimeDebug, MaxEncodedLen,
+	Copy,
+	Clone,
+	Eq,
+	PartialEq,
+	Ord,
+	PartialOrd,
+	Encode,
+	Decode,
+	RuntimeDebug,
+	MaxEncodedLen,
 	scale_info::TypeInfo,
 )]
 pub enum ProxyType {
@@ -315,63 +321,63 @@ impl InstanceFilter<Call> for ProxyType {
 	fn filter(&self, c: &Call) -> bool {
 		match self {
 			ProxyType::Any => true,
-			ProxyType::NonTransfer => {
-				!matches!(c, Call::Balances { .. } | Call::Assets { .. } | Call::Uniques { .. })
-			}
+			ProxyType::NonTransfer =>
+				!matches!(c, Call::Balances { .. } | Call::Assets { .. } | Call::Uniques { .. }),
 			ProxyType::CancelProxy => matches!(
 				c,
-				Call::Proxy(pallet_proxy::Call::reject_announcement { .. })
-					| Call::Utility { .. } | Call::Multisig { .. }
+				Call::Proxy(pallet_proxy::Call::reject_announcement { .. }) |
+					Call::Utility { .. } | Call::Multisig { .. }
 			),
 			ProxyType::Assets => {
 				matches!(
 					c,
-					Call::Assets { .. }
-						| Call::Utility { .. }
-						| Call::Multisig { .. }
-						| Call::Uniques { .. }
+					Call::Assets { .. } |
+						Call::Utility { .. } | Call::Multisig { .. } |
+						Call::Uniques { .. }
 				)
-			}
+			},
 			ProxyType::AssetOwner => matches!(
 				c,
-				Call::Assets(pallet_assets::Call::create { .. })
-					| Call::Assets(pallet_assets::Call::destroy { .. })
-					| Call::Assets(pallet_assets::Call::transfer_ownership { .. })
-					| Call::Assets(pallet_assets::Call::set_team { .. })
-					| Call::Assets(pallet_assets::Call::set_metadata { .. })
-					| Call::Assets(pallet_assets::Call::clear_metadata { .. })
-					| Call::Uniques(pallet_uniques::Call::create { .. })
-					| Call::Uniques(pallet_uniques::Call::destroy { .. })
-					| Call::Uniques(pallet_uniques::Call::transfer_ownership { .. })
-					| Call::Uniques(pallet_uniques::Call::set_team { .. })
-					| Call::Uniques(pallet_uniques::Call::set_metadata { .. })
-					| Call::Uniques(pallet_uniques::Call::set_attribute { .. })
-					| Call::Uniques(pallet_uniques::Call::set_class_metadata { .. })
-					| Call::Uniques(pallet_uniques::Call::clear_metadata { .. })
-					| Call::Uniques(pallet_uniques::Call::clear_attribute { .. })
-					| Call::Uniques(pallet_uniques::Call::clear_class_metadata { .. })
-					| Call::Utility { .. } | Call::Multisig { .. }
+				Call::Assets(pallet_assets::Call::create { .. }) |
+					Call::Assets(pallet_assets::Call::destroy { .. }) |
+					Call::Assets(pallet_assets::Call::transfer_ownership { .. }) |
+					Call::Assets(pallet_assets::Call::set_team { .. }) |
+					Call::Assets(pallet_assets::Call::set_metadata { .. }) |
+					Call::Assets(pallet_assets::Call::clear_metadata { .. }) |
+					Call::Uniques(pallet_uniques::Call::create { .. }) |
+					Call::Uniques(pallet_uniques::Call::destroy { .. }) |
+					Call::Uniques(pallet_uniques::Call::transfer_ownership { .. }) |
+					Call::Uniques(pallet_uniques::Call::set_team { .. }) |
+					Call::Uniques(pallet_uniques::Call::set_metadata { .. }) |
+					Call::Uniques(pallet_uniques::Call::set_attribute { .. }) |
+					Call::Uniques(pallet_uniques::Call::set_class_metadata { .. }) |
+					Call::Uniques(pallet_uniques::Call::clear_metadata { .. }) |
+					Call::Uniques(pallet_uniques::Call::clear_attribute { .. }) |
+					Call::Uniques(pallet_uniques::Call::clear_class_metadata { .. }) |
+					Call::Utility { .. } | Call::Multisig { .. }
 			),
 			ProxyType::AssetManager => matches!(
 				c,
-				Call::Assets(pallet_assets::Call::mint { .. })
-					| Call::Assets(pallet_assets::Call::burn { .. })
-					| Call::Assets(pallet_assets::Call::freeze { .. })
-					| Call::Assets(pallet_assets::Call::thaw { .. })
-					| Call::Assets(pallet_assets::Call::freeze_asset { .. })
-					| Call::Assets(pallet_assets::Call::thaw_asset { .. })
-					| Call::Uniques(pallet_uniques::Call::mint { .. })
-					| Call::Uniques(pallet_uniques::Call::burn { .. })
-					| Call::Uniques(pallet_uniques::Call::freeze { .. })
-					| Call::Uniques(pallet_uniques::Call::thaw { .. })
-					| Call::Uniques(pallet_uniques::Call::freeze_class { .. })
-					| Call::Uniques(pallet_uniques::Call::thaw_class { .. })
-					| Call::Utility { .. } | Call::Multisig { .. }
+				Call::Assets(pallet_assets::Call::mint { .. }) |
+					Call::Assets(pallet_assets::Call::burn { .. }) |
+					Call::Assets(pallet_assets::Call::freeze { .. }) |
+					Call::Assets(pallet_assets::Call::thaw { .. }) |
+					Call::Assets(pallet_assets::Call::freeze_asset { .. }) |
+					Call::Assets(pallet_assets::Call::thaw_asset { .. }) |
+					Call::Uniques(pallet_uniques::Call::mint { .. }) |
+					Call::Uniques(pallet_uniques::Call::burn { .. }) |
+					Call::Uniques(pallet_uniques::Call::freeze { .. }) |
+					Call::Uniques(pallet_uniques::Call::thaw { .. }) |
+					Call::Uniques(pallet_uniques::Call::freeze_class { .. }) |
+					Call::Uniques(pallet_uniques::Call::thaw_class { .. }) |
+					Call::Utility { .. } | Call::Multisig { .. }
 			),
 			ProxyType::Collator => matches!(
 				c,
 				Call::CollatorSelection { .. } | Call::Utility { .. } | Call::Multisig { .. }
 			),
+			ProxyType::Collator =>
+				matches!(c, Call::CollatorSelection(..) | Call::Utility(..) | Call::Multisig(..)),
 		}
 	}
 	fn is_superset(&self, o: &Self) -> bool {

polkadot-parachains/statemint/src/weights/mod.rs

@@ -1,7 +1,7 @@
 pub mod pallet_assets;
 pub mod pallet_balances;
-pub mod pallet_multisig;
 pub mod pallet_collator_selection;
+pub mod pallet_multisig;
 pub mod pallet_proxy;
 pub mod pallet_session;
 pub mod pallet_timestamp;

polkadot-parachains/statemint/src/weights/pallet_assets.rs

@@ -1,4 +1,3 @@
-
 //! Autogenerated weights for pallet_assets
 //!
 //! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 3.0.0
@@ -18,7 +17,6 @@
 // --raw
 // --output=./runtime/statemint/src/weights/
 
-
 #![allow(unused_parens)]
 #![allow(unused_imports)]
 
@@ -38,7 +36,7 @@ impl<T: frame_system::Config> pallet_assets::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn destroy(c: u32, s: u32, a: u32, ) -> Weight {
+	fn destroy(c: u32, s: u32, a: u32) -> Weight {
 		(0 as Weight)
 			// Standard Error: 37_000
 			.saturating_add((21_822_000 as Weight).saturating_mul(c as Weight))
@@ -109,7 +107,7 @@ impl<T: frame_system::Config> pallet_assets::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn set_metadata(_n: u32, s: u32, ) -> Weight {
+	fn set_metadata(_n: u32, s: u32) -> Weight {
 		(50_330_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((9_000 as Weight).saturating_mul(s as Weight))
@@ -121,7 +119,7 @@ impl<T: frame_system::Config> pallet_assets::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn force_set_metadata(_n: u32, s: u32, ) -> Weight {
+	fn force_set_metadata(_n: u32, s: u32) -> Weight {
 		(26_249_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((6_000 as Weight).saturating_mul(s as Weight))

polkadot-parachains/statemint/src/weights/pallet_balances.rs

@@ -1,4 +1,3 @@
-
 //! Autogenerated weights for pallet_balances
 //!
 //! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 3.0.0
@@ -18,7 +17,6 @@
 // --raw
 // --output=./runtime/statemint/src/weights/
 
-
 #![allow(unused_parens)]
 #![allow(unused_imports)]
 

polkadot-parachains/statemint/src/weights/pallet_collator_selection.rs

@@ -1,4 +1,3 @@
-
 //! Autogenerated weights for pallet_collator_selection
 //!
 //! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 3.0.0
@@ -18,7 +17,6 @@
 // --raw
 // --output=./runtime/statemint/src/weights/
 
-
 #![allow(unused_parens)]
 #![allow(unused_imports)]
 
@@ -28,28 +26,26 @@ use sp_std::marker::PhantomData;
 /// Weight functions for pallet_collator_selection.
 pub struct WeightInfo<T>(PhantomData<T>);
 impl<T: frame_system::Config> pallet_collator_selection::WeightInfo for WeightInfo<T> {
-	fn set_invulnerables(b: u32, ) -> Weight {
+	fn set_invulnerables(b: u32) -> Weight {
 		(18_563_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((68_000 as Weight).saturating_mul(b as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
 	fn set_desired_candidates() -> Weight {
-		(16_363_000 as Weight)
-			.saturating_add(T::DbWeight::get().writes(1 as Weight))
+		(16_363_000 as Weight).saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
 	fn set_candidacy_bond() -> Weight {
-		(16_840_000 as Weight)
-			.saturating_add(T::DbWeight::get().writes(1 as Weight))
+		(16_840_000 as Weight).saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn register_as_candidate(c: u32, ) -> Weight {
+	fn register_as_candidate(c: u32) -> Weight {
 		(71_196_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((198_000 as Weight).saturating_mul(c as Weight))
 			.saturating_add(T::DbWeight::get().reads(4 as Weight))
 			.saturating_add(T::DbWeight::get().writes(2 as Weight))
 	}
-	fn leave_intent(c: u32, ) -> Weight {
+	fn leave_intent(c: u32) -> Weight {
 		(55_336_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((151_000 as Weight).saturating_mul(c as Weight))
@@ -61,7 +57,7 @@ impl<T: frame_system::Config> pallet_collator_selection::WeightInfo for WeightIn
 			.saturating_add(T::DbWeight::get().reads(3 as Weight))
 			.saturating_add(T::DbWeight::get().writes(4 as Weight))
 	}
-	fn new_session(r: u32, c: u32, ) -> Weight {
+	fn new_session(r: u32, c: u32) -> Weight {
 		(0 as Weight)
 			// Standard Error: 1_010_000
 			.saturating_add((109_961_000 as Weight).saturating_mul(r as Weight))

polkadot-parachains/statemint/src/weights/pallet_multisig.rs

@@ -1,4 +1,3 @@
-
 //! Autogenerated weights for pallet_multisig
 //!
 //! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 3.0.0
@@ -18,7 +17,6 @@
 // --raw
 // --output=./runtime/statemint/src/weights/
 
-
 #![allow(unused_parens)]
 #![allow(unused_imports)]
 
@@ -28,12 +26,12 @@ use sp_std::marker::PhantomData;
 /// Weight functions for pallet_multisig.
 pub struct WeightInfo<T>(PhantomData<T>);
 impl<T: frame_system::Config> pallet_multisig::WeightInfo for WeightInfo<T> {
-	fn as_multi_threshold_1(z: u32, ) -> Weight {
+	fn as_multi_threshold_1(z: u32) -> Weight {
 		(14_936_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((1_000 as Weight).saturating_mul(z as Weight))
 	}
-	fn as_multi_create(s: u32, z: u32, ) -> Weight {
+	fn as_multi_create(s: u32, z: u32) -> Weight {
 		(56_090_000 as Weight)
 			// Standard Error: 1_000
 			.saturating_add((63_000 as Weight).saturating_mul(s as Weight))
@@ -42,7 +40,7 @@ impl<T: frame_system::Config> pallet_multisig::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn as_multi_create_store(s: u32, z: u32, ) -> Weight {
+	fn as_multi_create_store(s: u32, z: u32) -> Weight {
 		(62_519_000 as Weight)
 			// Standard Error: 1_000
 			.saturating_add((66_000 as Weight).saturating_mul(s as Weight))
@@ -51,7 +49,7 @@ impl<T: frame_system::Config> pallet_multisig::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(3 as Weight))
 			.saturating_add(T::DbWeight::get().writes(2 as Weight))
 	}
-	fn as_multi_approve(s: u32, z: u32, ) -> Weight {
+	fn as_multi_approve(s: u32, z: u32) -> Weight {
 		(30_781_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((111_000 as Weight).saturating_mul(s as Weight))
@@ -60,7 +58,7 @@ impl<T: frame_system::Config> pallet_multisig::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn as_multi_approve_store(s: u32, z: u32, ) -> Weight {
+	fn as_multi_approve_store(s: u32, z: u32) -> Weight {
 		(60_393_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((118_000 as Weight).saturating_mul(s as Weight))
@@ -69,7 +67,7 @@ impl<T: frame_system::Config> pallet_multisig::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(2 as Weight))
 	}
-	fn as_multi_complete(s: u32, z: u32, ) -> Weight {
+	fn as_multi_complete(s: u32, z: u32) -> Weight {
 		(81_704_000 as Weight)
 			// Standard Error: 1_000
 			.saturating_add((248_000 as Weight).saturating_mul(s as Weight))
@@ -78,28 +76,28 @@ impl<T: frame_system::Config> pallet_multisig::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(3 as Weight))
 			.saturating_add(T::DbWeight::get().writes(3 as Weight))
 	}
-	fn approve_as_multi_create(s: u32, ) -> Weight {
+	fn approve_as_multi_create(s: u32) -> Weight {
 		(55_585_000 as Weight)
 			// Standard Error: 1_000
 			.saturating_add((115_000 as Weight).saturating_mul(s as Weight))
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn approve_as_multi_approve(s: u32, ) -> Weight {
+	fn approve_as_multi_approve(s: u32) -> Weight {
 		(33_483_000 as Weight)
 			// Standard Error: 1_000
 			.saturating_add((82_000 as Weight).saturating_mul(s as Weight))
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn approve_as_multi_complete(s: u32, ) -> Weight {
+	fn approve_as_multi_complete(s: u32) -> Weight {
 		(154_732_000 as Weight)
 			// Standard Error: 1_000
 			.saturating_add((253_000 as Weight).saturating_mul(s as Weight))
 			.saturating_add(T::DbWeight::get().reads(3 as Weight))
 			.saturating_add(T::DbWeight::get().writes(3 as Weight))
 	}
-	fn cancel_as_multi(s: u32, ) -> Weight {
+	fn cancel_as_multi(s: u32) -> Weight {
 		(104_447_000 as Weight)
 			// Standard Error: 1_000
 			.saturating_add((114_000 as Weight).saturating_mul(s as Weight))

polkadot-parachains/statemint/src/weights/pallet_proxy.rs

@@ -1,4 +1,3 @@
-
 //! Autogenerated weights for pallet_proxy
 //!
 //! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 3.0.0
@@ -18,7 +17,6 @@
 // --raw
 // --output=./runtime/statemint/src/weights/
 
-
 #![allow(unused_parens)]
 #![allow(unused_imports)]
 
@@ -28,13 +26,13 @@ use sp_std::marker::PhantomData;
 /// Weight functions for pallet_proxy.
 pub struct WeightInfo<T>(PhantomData<T>);
 impl<T: frame_system::Config> pallet_proxy::WeightInfo for WeightInfo<T> {
-	fn proxy(p: u32, ) -> Weight {
+	fn proxy(p: u32) -> Weight {
 		(27_585_000 as Weight)
 			// Standard Error: 1_000
 			.saturating_add((203_000 as Weight).saturating_mul(p as Weight))
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 	}
-	fn proxy_announced(a: u32, p: u32, ) -> Weight {
+	fn proxy_announced(a: u32, p: u32) -> Weight {
 		(61_093_000 as Weight)
 			// Standard Error: 2_000
 			.saturating_add((680_000 as Weight).saturating_mul(a as Weight))
@@ -43,7 +41,7 @@ impl<T: frame_system::Config> pallet_proxy::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(3 as Weight))
 			.saturating_add(T::DbWeight::get().writes(2 as Weight))
 	}
-	fn remove_announcement(a: u32, p: u32, ) -> Weight {
+	fn remove_announcement(a: u32, p: u32) -> Weight {
 		(39_494_000 as Weight)
 			// Standard Error: 2_000
 			.saturating_add((686_000 as Weight).saturating_mul(a as Weight))
@@ -52,7 +50,7 @@ impl<T: frame_system::Config> pallet_proxy::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(2 as Weight))
 	}
-	fn reject_announcement(a: u32, p: u32, ) -> Weight {
+	fn reject_announcement(a: u32, p: u32) -> Weight {
 		(39_817_000 as Weight)
 			// Standard Error: 2_000
 			.saturating_add((685_000 as Weight).saturating_mul(a as Weight))
@@ -61,7 +59,7 @@ impl<T: frame_system::Config> pallet_proxy::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(2 as Weight))
 	}
-	fn announce(a: u32, p: u32, ) -> Weight {
+	fn announce(a: u32, p: u32) -> Weight {
 		(54_835_000 as Weight)
 			// Standard Error: 2_000
 			.saturating_add((684_000 as Weight).saturating_mul(a as Weight))
@@ -70,35 +68,35 @@ impl<T: frame_system::Config> pallet_proxy::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(3 as Weight))
 			.saturating_add(T::DbWeight::get().writes(2 as Weight))
 	}
-	fn add_proxy(p: u32, ) -> Weight {
+	fn add_proxy(p: u32) -> Weight {
 		(37_625_000 as Weight)
 			// Standard Error: 2_000
 			.saturating_add((300_000 as Weight).saturating_mul(p as Weight))
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn remove_proxy(p: u32, ) -> Weight {
+	fn remove_proxy(p: u32) -> Weight {
 		(36_945_000 as Weight)
 			// Standard Error: 3_000
 			.saturating_add((325_000 as Weight).saturating_mul(p as Weight))
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn remove_proxies(p: u32, ) -> Weight {
+	fn remove_proxies(p: u32) -> Weight {
 		(35_128_000 as Weight)
 			// Standard Error: 1_000
 			.saturating_add((209_000 as Weight).saturating_mul(p as Weight))
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn anonymous(p: u32, ) -> Weight {
+	fn anonymous(p: u32) -> Weight {
 		(51_624_000 as Weight)
 			// Standard Error: 1_000
 			.saturating_add((41_000 as Weight).saturating_mul(p as Weight))
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn kill_anonymous(p: u32, ) -> Weight {
+	fn kill_anonymous(p: u32) -> Weight {
 		(37_469_000 as Weight)
 			// Standard Error: 1_000
 			.saturating_add((204_000 as Weight).saturating_mul(p as Weight))

polkadot-parachains/statemint/src/weights/pallet_session.rs

@@ -1,4 +1,3 @@
-
 //! Autogenerated weights for pallet_session
 //!
 //! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 3.0.0
@@ -18,7 +17,6 @@
 // --raw
 // --output=./polkadot-parachains/statemint-runtime/src/weights
 
-
 #![allow(unused_parens)]
 #![allow(unused_imports)]
 

polkadot-parachains/statemint/src/weights/pallet_timestamp.rs

@@ -1,4 +1,3 @@
-
 //! Autogenerated weights for pallet_timestamp
 //!
 //! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 3.0.0
@@ -18,7 +17,6 @@
 // --raw
 // --output=./runtime/statemint/src/weights/
 
-
 #![allow(unused_parens)]
 #![allow(unused_imports)]
 

polkadot-parachains/statemint/src/weights/pallet_uniques.rs

@@ -34,7 +34,6 @@
 // --header=./file_header.txt
 // --output=./polkadot-parachains/statemine-runtime/src/weights/
 
-
 #![allow(unused_parens)]
 #![allow(unused_imports)]
 
@@ -54,7 +53,7 @@ impl<T: frame_system::Config> pallet_uniques::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn destroy(n: u32, m: u32, a: u32, ) -> Weight {
+	fn destroy(n: u32, m: u32, a: u32) -> Weight {
 		(0 as Weight)
 			// Standard Error: 14_000
 			.saturating_add((16_814_000 as Weight).saturating_mul(n as Weight))
@@ -84,7 +83,7 @@ impl<T: frame_system::Config> pallet_uniques::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(3 as Weight))
 	}
-	fn redeposit(i: u32, ) -> Weight {
+	fn redeposit(i: u32) -> Weight {
 		(0 as Weight)
 			// Standard Error: 11_000
 			.saturating_add((26_921_000 as Weight).saturating_mul(i as Weight))

polkadot-parachains/statemint/src/weights/pallet_utility.rs

@@ -1,4 +1,3 @@
-
 //! Autogenerated weights for pallet_utility
 //!
 //! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 3.0.0
@@ -18,7 +17,6 @@
 // --raw
 // --output=./runtime/statemint/src/weights/
 
-
 #![allow(unused_parens)]
 #![allow(unused_imports)]
 
@@ -28,7 +26,7 @@ use sp_std::marker::PhantomData;
 /// Weight functions for pallet_utility.
 pub struct WeightInfo<T>(PhantomData<T>);
 impl<T: frame_system::Config> pallet_utility::WeightInfo for WeightInfo<T> {
-	fn batch(c: u32, ) -> Weight {
+	fn batch(c: u32) -> Weight {
 		(15_408_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((4_571_000 as Weight).saturating_mul(c as Weight))
@@ -36,7 +34,7 @@ impl<T: frame_system::Config> pallet_utility::WeightInfo for WeightInfo<T> {
 	fn as_derivative() -> Weight {
 		(7_817_000 as Weight)
 	}
-	fn batch_all(c: u32, ) -> Weight {
+	fn batch_all(c: u32) -> Weight {
 		(16_520_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((4_571_000 as Weight).saturating_mul(c as Weight))

polkadot-parachains/tests/polkadot_argument_parsing.rs

@@ -48,10 +48,7 @@ fn polkadot_argument_parsing() {
 			.unwrap();
 
 		thread::sleep(Duration::from_secs(20));
-		assert!(
-			cmd.try_wait().unwrap().is_none(),
-			"the process should still be running"
-		);
+		assert!(cmd.try_wait().unwrap().is_none(), "the process should still be running");
 		kill(Pid::from_raw(cmd.id().try_into().unwrap()), signal).unwrap();
 		assert_eq!(
 			common::wait_for(&mut cmd, 30).map(|x| x.success()),

polkadot-parachains/tests/polkadot_mdns_issue.rs

@@ -39,10 +39,7 @@ fn interrupt_polkadot_mdns_issue_test() {
 			.unwrap();
 
 		thread::sleep(Duration::from_secs(20));
-		assert!(
-			cmd.try_wait().unwrap().is_none(),
-			"the process should still be running"
-		);
+		assert!(cmd.try_wait().unwrap().is_none(), "the process should still be running");
 		kill(Pid::from_raw(cmd.id().try_into().unwrap()), signal).unwrap();
 		assert_eq!(
 			common::wait_for(&mut cmd, 30).map(|x| x.success()),

polkadot-parachains/tests/purge_chain_works.rs

@@ -40,16 +40,11 @@ fn purge_chain_works() {
 
 		// Let it produce some blocks.
 		thread::sleep(Duration::from_secs(30));
-		assert!(
-			cmd.try_wait().unwrap().is_none(),
-			"the process should still be running"
-		);
+		assert!(cmd.try_wait().unwrap().is_none(), "the process should still be running");
 
 		// Stop the process
 		kill(Pid::from_raw(cmd.id().try_into().unwrap()), SIGINT).unwrap();
-		assert!(common::wait_for(&mut cmd, 30)
-			.map(|x| x.success())
-			.unwrap_or_default());
+		assert!(common::wait_for(&mut cmd, 30).map(|x| x.success()).unwrap_or_default());
 
 		base_path
 	}

polkadot-parachains/tests/running_the_node_and_interrupt.rs

@@ -39,10 +39,7 @@ fn running_the_node_works_and_can_be_interrupted() {
 			.unwrap();
 
 		thread::sleep(Duration::from_secs(30));
-		assert!(
-			cmd.try_wait().unwrap().is_none(),
-			"the process should still be running"
-		);
+		assert!(cmd.try_wait().unwrap().is_none(), "the process should still be running");
 		kill(Pid::from_raw(cmd.id().try_into().unwrap()), signal).unwrap();
 		assert_eq!(
 			common::wait_for(&mut cmd, 30).map(|x| x.success()),

polkadot-parachains/westmint/src/constants.rs

@@ -32,13 +32,13 @@ pub mod currency {
 
 /// Fee-related.
 pub mod fee {
-	use node_primitives::Balance;
-	pub use sp_runtime::Perbill;
 	use frame_support::weights::{
 		constants::ExtrinsicBaseWeight, WeightToFeeCoefficient, WeightToFeeCoefficients,
 		WeightToFeePolynomial,
 	};
+	use node_primitives::Balance;
 	use smallvec::smallvec;
+	pub use sp_runtime::Perbill;
 
 	/// The block saturation level. Fees will be updates based on this value.
 	pub const TARGET_BLOCK_FULLNESS: Perbill = Perbill::from_percent(25);

polkadot-parachains/westmint/src/lib.rs

@@ -99,10 +99,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 /// The version information used to identify this runtime when compiled natively.
 #[cfg(feature = "std")]
 pub fn native_version() -> NativeVersion {
-	NativeVersion {
-		runtime_version: VERSION,
-		can_author_with: Default::default(),
-	}
+	NativeVersion { runtime_version: VERSION, can_author_with: Default::default() }
 }
 
 parameter_types! {
@@ -286,7 +283,16 @@ parameter_types! {
 
 /// The type used to represent the kinds of proxying allowed.
 #[derive(
-	Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Encode, Decode, RuntimeDebug, MaxEncodedLen,
+	Copy,
+	Clone,
+	Eq,
+	PartialEq,
+	Ord,
+	PartialOrd,
+	Encode,
+	Decode,
+	RuntimeDebug,
+	MaxEncodedLen,
 	scale_info::TypeInfo,
 )]
 pub enum ProxyType {
@@ -314,63 +320,63 @@ impl InstanceFilter<Call> for ProxyType {
 	fn filter(&self, c: &Call) -> bool {
 		match self {
 			ProxyType::Any => true,
-			ProxyType::NonTransfer => {
-				!matches!(c, Call::Balances { .. } | Call::Assets { .. } | Call::Uniques { .. })
-			}
+			ProxyType::NonTransfer =>
+				!matches!(c, Call::Balances { .. } | Call::Assets { .. } | Call::Uniques { .. }),
 			ProxyType::CancelProxy => matches!(
 				c,
-				Call::Proxy(pallet_proxy::Call::reject_announcement { .. })
-					| Call::Utility { .. } | Call::Multisig { .. }
+				Call::Proxy(pallet_proxy::Call::reject_announcement { .. }) |
+					Call::Utility { .. } | Call::Multisig { .. }
 			),
 			ProxyType::Assets => {
 				matches!(
 					c,
-					Call::Assets { .. }
-						| Call::Utility { .. }
-						| Call::Multisig { .. }
-						| Call::Uniques { .. }
+					Call::Assets { .. } |
+						Call::Utility { .. } | Call::Multisig { .. } |
+						Call::Uniques { .. }
 				)
-			}
+			},
 			ProxyType::AssetOwner => matches!(
 				c,
-				Call::Assets(pallet_assets::Call::create { .. })
-					| Call::Assets(pallet_assets::Call::destroy { .. })
-					| Call::Assets(pallet_assets::Call::transfer_ownership { .. })
-					| Call::Assets(pallet_assets::Call::set_team { .. })
-					| Call::Assets(pallet_assets::Call::set_metadata { .. })
-					| Call::Assets(pallet_assets::Call::clear_metadata { .. })
-					| Call::Uniques(pallet_uniques::Call::create { .. })
-					| Call::Uniques(pallet_uniques::Call::destroy { .. })
-					| Call::Uniques(pallet_uniques::Call::transfer_ownership { .. })
-					| Call::Uniques(pallet_uniques::Call::set_team { .. })
-					| Call::Uniques(pallet_uniques::Call::set_metadata { .. })
-					| Call::Uniques(pallet_uniques::Call::set_attribute { .. })
-					| Call::Uniques(pallet_uniques::Call::set_class_metadata { .. })
-					| Call::Uniques(pallet_uniques::Call::clear_metadata { .. })
-					| Call::Uniques(pallet_uniques::Call::clear_attribute { .. })
-					| Call::Uniques(pallet_uniques::Call::clear_class_metadata { .. })
-					| Call::Utility { .. } | Call::Multisig { .. }
+				Call::Assets(pallet_assets::Call::create { .. }) |
+					Call::Assets(pallet_assets::Call::destroy { .. }) |
+					Call::Assets(pallet_assets::Call::transfer_ownership { .. }) |
+					Call::Assets(pallet_assets::Call::set_team { .. }) |
+					Call::Assets(pallet_assets::Call::set_metadata { .. }) |
+					Call::Assets(pallet_assets::Call::clear_metadata { .. }) |
+					Call::Uniques(pallet_uniques::Call::create { .. }) |
+					Call::Uniques(pallet_uniques::Call::destroy { .. }) |
+					Call::Uniques(pallet_uniques::Call::transfer_ownership { .. }) |
+					Call::Uniques(pallet_uniques::Call::set_team { .. }) |
+					Call::Uniques(pallet_uniques::Call::set_metadata { .. }) |
+					Call::Uniques(pallet_uniques::Call::set_attribute { .. }) |
+					Call::Uniques(pallet_uniques::Call::set_class_metadata { .. }) |
+					Call::Uniques(pallet_uniques::Call::clear_metadata { .. }) |
+					Call::Uniques(pallet_uniques::Call::clear_attribute { .. }) |
+					Call::Uniques(pallet_uniques::Call::clear_class_metadata { .. }) |
+					Call::Utility { .. } | Call::Multisig { .. }
 			),
 			ProxyType::AssetManager => matches!(
 				c,
-				Call::Assets(pallet_assets::Call::mint { .. })
-					| Call::Assets(pallet_assets::Call::burn { .. })
-					| Call::Assets(pallet_assets::Call::freeze { .. })
-					| Call::Assets(pallet_assets::Call::thaw { .. })
-					| Call::Assets(pallet_assets::Call::freeze_asset { .. })
-					| Call::Assets(pallet_assets::Call::thaw_asset { .. })
-					| Call::Uniques(pallet_uniques::Call::mint { .. })
-					| Call::Uniques(pallet_uniques::Call::burn { .. })
-					| Call::Uniques(pallet_uniques::Call::freeze { .. })
-					| Call::Uniques(pallet_uniques::Call::thaw { .. })
-					| Call::Uniques(pallet_uniques::Call::freeze_class { .. })
-					| Call::Uniques(pallet_uniques::Call::thaw_class { .. })
-					| Call::Utility { .. } | Call::Multisig { .. }
+				Call::Assets(pallet_assets::Call::mint { .. }) |
+					Call::Assets(pallet_assets::Call::burn { .. }) |
+					Call::Assets(pallet_assets::Call::freeze { .. }) |
+					Call::Assets(pallet_assets::Call::thaw { .. }) |
+					Call::Assets(pallet_assets::Call::freeze_asset { .. }) |
+					Call::Assets(pallet_assets::Call::thaw_asset { .. }) |
+					Call::Uniques(pallet_uniques::Call::mint { .. }) |
+					Call::Uniques(pallet_uniques::Call::burn { .. }) |
+					Call::Uniques(pallet_uniques::Call::freeze { .. }) |
+					Call::Uniques(pallet_uniques::Call::thaw { .. }) |
+					Call::Uniques(pallet_uniques::Call::freeze_class { .. }) |
+					Call::Uniques(pallet_uniques::Call::thaw_class { .. }) |
+					Call::Utility { .. } | Call::Multisig { .. }
 			),
 			ProxyType::Collator => matches!(
 				c,
 				Call::CollatorSelection { .. } | Call::Utility { .. } | Call::Multisig { .. }
 			),
+			ProxyType::Collator =>
+				matches!(c, Call::CollatorSelection(..) | Call::Utility(..) | Call::Multisig(..)),
 		}
 	}
 	fn is_superset(&self, o: &Self) -> bool {

polkadot-parachains/westmint/src/weights/mod.rs

@@ -1,7 +1,7 @@
 pub mod pallet_assets;
 pub mod pallet_balances;
-pub mod pallet_multisig;
 pub mod pallet_collator_selection;
+pub mod pallet_multisig;
 pub mod pallet_proxy;
 pub mod pallet_session;
 pub mod pallet_timestamp;

polkadot-parachains/westmint/src/weights/pallet_assets.rs

@@ -1,4 +1,3 @@
-
 //! Autogenerated weights for pallet_assets
 //!
 //! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 3.0.0
@@ -18,7 +17,6 @@
 // --raw
 // --output=./runtime/statemint/src/weights/
 
-
 #![allow(unused_parens)]
 #![allow(unused_imports)]
 
@@ -38,7 +36,7 @@ impl<T: frame_system::Config> pallet_assets::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn destroy(c: u32, s: u32, a: u32, ) -> Weight {
+	fn destroy(c: u32, s: u32, a: u32) -> Weight {
 		(0 as Weight)
 			// Standard Error: 37_000
 			.saturating_add((21_822_000 as Weight).saturating_mul(c as Weight))
@@ -109,7 +107,7 @@ impl<T: frame_system::Config> pallet_assets::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn set_metadata(_n: u32, s: u32, ) -> Weight {
+	fn set_metadata(_n: u32, s: u32) -> Weight {
 		(50_330_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((9_000 as Weight).saturating_mul(s as Weight))
@@ -121,7 +119,7 @@ impl<T: frame_system::Config> pallet_assets::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn force_set_metadata(_n: u32, s: u32, ) -> Weight {
+	fn force_set_metadata(_n: u32, s: u32) -> Weight {
 		(26_249_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((6_000 as Weight).saturating_mul(s as Weight))

polkadot-parachains/westmint/src/weights/pallet_balances.rs

@@ -1,4 +1,3 @@
-
 //! Autogenerated weights for pallet_balances
 //!
 //! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 3.0.0
@@ -18,7 +17,6 @@
 // --raw
 // --output=./runtime/statemint/src/weights/
 
-
 #![allow(unused_parens)]
 #![allow(unused_imports)]
 

polkadot-parachains/westmint/src/weights/pallet_collator_selection.rs

@@ -1,4 +1,3 @@
-
 //! Autogenerated weights for pallet_collator_selection
 //!
 //! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 3.0.0
@@ -18,7 +17,6 @@
 // --raw
 // --output=./runtime/statemint/src/weights/
 
-
 #![allow(unused_parens)]
 #![allow(unused_imports)]
 
@@ -28,28 +26,26 @@ use sp_std::marker::PhantomData;
 /// Weight functions for pallet_collator_selection.
 pub struct WeightInfo<T>(PhantomData<T>);
 impl<T: frame_system::Config> pallet_collator_selection::WeightInfo for WeightInfo<T> {
-	fn set_invulnerables(b: u32, ) -> Weight {
+	fn set_invulnerables(b: u32) -> Weight {
 		(18_563_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((68_000 as Weight).saturating_mul(b as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
 	fn set_desired_candidates() -> Weight {
-		(16_363_000 as Weight)
-			.saturating_add(T::DbWeight::get().writes(1 as Weight))
+		(16_363_000 as Weight).saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
 	fn set_candidacy_bond() -> Weight {
-		(16_840_000 as Weight)
-			.saturating_add(T::DbWeight::get().writes(1 as Weight))
+		(16_840_000 as Weight).saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn register_as_candidate(c: u32, ) -> Weight {
+	fn register_as_candidate(c: u32) -> Weight {
 		(71_196_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((198_000 as Weight).saturating_mul(c as Weight))
 			.saturating_add(T::DbWeight::get().reads(4 as Weight))
 			.saturating_add(T::DbWeight::get().writes(2 as Weight))
 	}
-	fn leave_intent(c: u32, ) -> Weight {
+	fn leave_intent(c: u32) -> Weight {
 		(55_336_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((151_000 as Weight).saturating_mul(c as Weight))
@@ -61,7 +57,7 @@ impl<T: frame_system::Config> pallet_collator_selection::WeightInfo for WeightIn
 			.saturating_add(T::DbWeight::get().reads(3 as Weight))
 			.saturating_add(T::DbWeight::get().writes(4 as Weight))
 	}
-	fn new_session(r: u32, c: u32, ) -> Weight {
+	fn new_session(r: u32, c: u32) -> Weight {
 		(0 as Weight)
 			// Standard Error: 1_010_000
 			.saturating_add((109_961_000 as Weight).saturating_mul(r as Weight))

polkadot-parachains/westmint/src/weights/pallet_multisig.rs

@@ -1,4 +1,3 @@
-
 //! Autogenerated weights for pallet_multisig
 //!
 //! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 3.0.0
@@ -18,7 +17,6 @@
 // --raw
 // --output=./runtime/statemint/src/weights/
 
-
 #![allow(unused_parens)]
 #![allow(unused_imports)]
 
@@ -28,12 +26,12 @@ use sp_std::marker::PhantomData;
 /// Weight functions for pallet_multisig.
 pub struct WeightInfo<T>(PhantomData<T>);
 impl<T: frame_system::Config> pallet_multisig::WeightInfo for WeightInfo<T> {
-	fn as_multi_threshold_1(z: u32, ) -> Weight {
+	fn as_multi_threshold_1(z: u32) -> Weight {
 		(14_936_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((1_000 as Weight).saturating_mul(z as Weight))
 	}
-	fn as_multi_create(s: u32, z: u32, ) -> Weight {
+	fn as_multi_create(s: u32, z: u32) -> Weight {
 		(56_090_000 as Weight)
 			// Standard Error: 1_000
 			.saturating_add((63_000 as Weight).saturating_mul(s as Weight))
@@ -42,7 +40,7 @@ impl<T: frame_system::Config> pallet_multisig::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn as_multi_create_store(s: u32, z: u32, ) -> Weight {
+	fn as_multi_create_store(s: u32, z: u32) -> Weight {
 		(62_519_000 as Weight)
 			// Standard Error: 1_000
 			.saturating_add((66_000 as Weight).saturating_mul(s as Weight))
@@ -51,7 +49,7 @@ impl<T: frame_system::Config> pallet_multisig::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(3 as Weight))
 			.saturating_add(T::DbWeight::get().writes(2 as Weight))
 	}
-	fn as_multi_approve(s: u32, z: u32, ) -> Weight {
+	fn as_multi_approve(s: u32, z: u32) -> Weight {
 		(30_781_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((111_000 as Weight).saturating_mul(s as Weight))
@@ -60,7 +58,7 @@ impl<T: frame_system::Config> pallet_multisig::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn as_multi_approve_store(s: u32, z: u32, ) -> Weight {
+	fn as_multi_approve_store(s: u32, z: u32) -> Weight {
 		(60_393_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((118_000 as Weight).saturating_mul(s as Weight))
@@ -69,7 +67,7 @@ impl<T: frame_system::Config> pallet_multisig::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(2 as Weight))
 	}
-	fn as_multi_complete(s: u32, z: u32, ) -> Weight {
+	fn as_multi_complete(s: u32, z: u32) -> Weight {
 		(81_704_000 as Weight)
 			// Standard Error: 1_000
 			.saturating_add((248_000 as Weight).saturating_mul(s as Weight))
@@ -78,28 +76,28 @@ impl<T: frame_system::Config> pallet_multisig::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(3 as Weight))
 			.saturating_add(T::DbWeight::get().writes(3 as Weight))
 	}
-	fn approve_as_multi_create(s: u32, ) -> Weight {
+	fn approve_as_multi_create(s: u32) -> Weight {
 		(55_585_000 as Weight)
 			// Standard Error: 1_000
 			.saturating_add((115_000 as Weight).saturating_mul(s as Weight))
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn approve_as_multi_approve(s: u32, ) -> Weight {
+	fn approve_as_multi_approve(s: u32) -> Weight {
 		(33_483_000 as Weight)
 			// Standard Error: 1_000
 			.saturating_add((82_000 as Weight).saturating_mul(s as Weight))
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn approve_as_multi_complete(s: u32, ) -> Weight {
+	fn approve_as_multi_complete(s: u32) -> Weight {
 		(154_732_000 as Weight)
 			// Standard Error: 1_000
 			.saturating_add((253_000 as Weight).saturating_mul(s as Weight))
 			.saturating_add(T::DbWeight::get().reads(3 as Weight))
 			.saturating_add(T::DbWeight::get().writes(3 as Weight))
 	}
-	fn cancel_as_multi(s: u32, ) -> Weight {
+	fn cancel_as_multi(s: u32) -> Weight {
 		(104_447_000 as Weight)
 			// Standard Error: 1_000
 			.saturating_add((114_000 as Weight).saturating_mul(s as Weight))

polkadot-parachains/westmint/src/weights/pallet_proxy.rs

@@ -1,4 +1,3 @@
-
 //! Autogenerated weights for pallet_proxy
 //!
 //! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 3.0.0
@@ -18,7 +17,6 @@
 // --raw
 // --output=./runtime/statemint/src/weights/
 
-
 #![allow(unused_parens)]
 #![allow(unused_imports)]
 
@@ -28,13 +26,13 @@ use sp_std::marker::PhantomData;
 /// Weight functions for pallet_proxy.
 pub struct WeightInfo<T>(PhantomData<T>);
 impl<T: frame_system::Config> pallet_proxy::WeightInfo for WeightInfo<T> {
-	fn proxy(p: u32, ) -> Weight {
+	fn proxy(p: u32) -> Weight {
 		(27_585_000 as Weight)
 			// Standard Error: 1_000
 			.saturating_add((203_000 as Weight).saturating_mul(p as Weight))
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 	}
-	fn proxy_announced(a: u32, p: u32, ) -> Weight {
+	fn proxy_announced(a: u32, p: u32) -> Weight {
 		(61_093_000 as Weight)
 			// Standard Error: 2_000
 			.saturating_add((680_000 as Weight).saturating_mul(a as Weight))
@@ -43,7 +41,7 @@ impl<T: frame_system::Config> pallet_proxy::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(3 as Weight))
 			.saturating_add(T::DbWeight::get().writes(2 as Weight))
 	}
-	fn remove_announcement(a: u32, p: u32, ) -> Weight {
+	fn remove_announcement(a: u32, p: u32) -> Weight {
 		(39_494_000 as Weight)
 			// Standard Error: 2_000
 			.saturating_add((686_000 as Weight).saturating_mul(a as Weight))
@@ -52,7 +50,7 @@ impl<T: frame_system::Config> pallet_proxy::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(2 as Weight))
 	}
-	fn reject_announcement(a: u32, p: u32, ) -> Weight {
+	fn reject_announcement(a: u32, p: u32) -> Weight {
 		(39_817_000 as Weight)
 			// Standard Error: 2_000
 			.saturating_add((685_000 as Weight).saturating_mul(a as Weight))
@@ -61,7 +59,7 @@ impl<T: frame_system::Config> pallet_proxy::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(2 as Weight))
 	}
-	fn announce(a: u32, p: u32, ) -> Weight {
+	fn announce(a: u32, p: u32) -> Weight {
 		(54_835_000 as Weight)
 			// Standard Error: 2_000
 			.saturating_add((684_000 as Weight).saturating_mul(a as Weight))
@@ -70,35 +68,35 @@ impl<T: frame_system::Config> pallet_proxy::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(3 as Weight))
 			.saturating_add(T::DbWeight::get().writes(2 as Weight))
 	}
-	fn add_proxy(p: u32, ) -> Weight {
+	fn add_proxy(p: u32) -> Weight {
 		(37_625_000 as Weight)
 			// Standard Error: 2_000
 			.saturating_add((300_000 as Weight).saturating_mul(p as Weight))
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn remove_proxy(p: u32, ) -> Weight {
+	fn remove_proxy(p: u32) -> Weight {
 		(36_945_000 as Weight)
 			// Standard Error: 3_000
 			.saturating_add((325_000 as Weight).saturating_mul(p as Weight))
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn remove_proxies(p: u32, ) -> Weight {
+	fn remove_proxies(p: u32) -> Weight {
 		(35_128_000 as Weight)
 			// Standard Error: 1_000
 			.saturating_add((209_000 as Weight).saturating_mul(p as Weight))
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn anonymous(p: u32, ) -> Weight {
+	fn anonymous(p: u32) -> Weight {
 		(51_624_000 as Weight)
 			// Standard Error: 1_000
 			.saturating_add((41_000 as Weight).saturating_mul(p as Weight))
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn kill_anonymous(p: u32, ) -> Weight {
+	fn kill_anonymous(p: u32) -> Weight {
 		(37_469_000 as Weight)
 			// Standard Error: 1_000
 			.saturating_add((204_000 as Weight).saturating_mul(p as Weight))

polkadot-parachains/westmint/src/weights/pallet_session.rs

@@ -1,4 +1,3 @@
-
 //! Autogenerated weights for pallet_session
 //!
 //! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 3.0.0
@@ -18,7 +17,6 @@
 // --raw
 // --output=./polkadot-parachains/statemint-runtime/src/weights
 
-
 #![allow(unused_parens)]
 #![allow(unused_imports)]
 

polkadot-parachains/westmint/src/weights/pallet_timestamp.rs

@@ -1,4 +1,3 @@
-
 //! Autogenerated weights for pallet_timestamp
 //!
 //! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 3.0.0
@@ -18,7 +17,6 @@
 // --raw
 // --output=./runtime/statemint/src/weights/
 
-
 #![allow(unused_parens)]
 #![allow(unused_imports)]
 

polkadot-parachains/westmint/src/weights/pallet_uniques.rs

@@ -34,7 +34,6 @@
 // --header=./file_header.txt
 // --output=./polkadot-parachains/statemine-runtime/src/weights/
 
-
 #![allow(unused_parens)]
 #![allow(unused_imports)]
 
@@ -54,7 +53,7 @@ impl<T: frame_system::Config> pallet_uniques::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(1 as Weight))
 			.saturating_add(T::DbWeight::get().writes(1 as Weight))
 	}
-	fn destroy(n: u32, m: u32, a: u32, ) -> Weight {
+	fn destroy(n: u32, m: u32, a: u32) -> Weight {
 		(0 as Weight)
 			// Standard Error: 14_000
 			.saturating_add((16_814_000 as Weight).saturating_mul(n as Weight))
@@ -84,7 +83,7 @@ impl<T: frame_system::Config> pallet_uniques::WeightInfo for WeightInfo<T> {
 			.saturating_add(T::DbWeight::get().reads(2 as Weight))
 			.saturating_add(T::DbWeight::get().writes(3 as Weight))
 	}
-	fn redeposit(i: u32, ) -> Weight {
+	fn redeposit(i: u32) -> Weight {
 		(0 as Weight)
 			// Standard Error: 11_000
 			.saturating_add((26_921_000 as Weight).saturating_mul(i as Weight))

polkadot-parachains/westmint/src/weights/pallet_utility.rs

@@ -1,4 +1,3 @@
-
 //! Autogenerated weights for pallet_utility
 //!
 //! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 3.0.0
@@ -18,7 +17,6 @@
 // --raw
 // --output=./runtime/statemint/src/weights/
 
-
 #![allow(unused_parens)]
 #![allow(unused_imports)]
 
@@ -28,7 +26,7 @@ use sp_std::marker::PhantomData;
 /// Weight functions for pallet_utility.
 pub struct WeightInfo<T>(PhantomData<T>);
 impl<T: frame_system::Config> pallet_utility::WeightInfo for WeightInfo<T> {
-	fn batch(c: u32, ) -> Weight {
+	fn batch(c: u32) -> Weight {
 		(15_408_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((4_571_000 as Weight).saturating_mul(c as Weight))
@@ -36,7 +34,7 @@ impl<T: frame_system::Config> pallet_utility::WeightInfo for WeightInfo<T> {
 	fn as_derivative() -> Weight {
 		(7_817_000 as Weight)
 	}
-	fn batch_all(c: u32, ) -> Weight {
+	fn batch_all(c: u32) -> Weight {
 		(16_520_000 as Weight)
 			// Standard Error: 0
 			.saturating_add((4_571_000 as Weight).saturating_mul(c as Weight))

primitives/core/src/lib.rs

@@ -165,11 +165,7 @@ impl<B: BlockT> ParachainBlockData<B> {
 		extrinsics: sp_std::vec::Vec<<B as BlockT>::Extrinsic>,
 		storage_proof: sp_trie::CompactProof,
 	) -> Self {
-		Self {
-			header,
-			extrinsics,
-			storage_proof,
-		}
+		Self { header, extrinsics, storage_proof }
 	}
 
 	/// Convert `self` into the stored block.
@@ -198,13 +194,7 @@ impl<B: BlockT> ParachainBlockData<B> {
 	}
 
 	/// Deconstruct into the inner parts.
-	pub fn deconstruct(
-		self,
-	) -> (
-		B::Header,
-		sp_std::vec::Vec<B::Extrinsic>,
-		sp_trie::CompactProof,
-	) {
+	pub fn deconstruct(self) -> (B::Header, sp_std::vec::Vec<B::Extrinsic>, sp_trie::CompactProof) {
 		(self.header, self.extrinsics, self.storage_proof)
 	}
 }

primitives/parachain-inherent/src/client_side.rs

@@ -173,16 +173,10 @@ fn collect_relay_storage_proof(
 	relevant_keys.push(relay_well_known_keys::hrmp_ingress_channel_index(para_id));
 	relevant_keys.push(relay_well_known_keys::hrmp_egress_channel_index(para_id));
 	relevant_keys.extend(ingress_channels.into_iter().map(|sender| {
-		relay_well_known_keys::hrmp_channels(HrmpChannelId {
-			sender,
-			recipient: para_id,
-		})
+		relay_well_known_keys::hrmp_channels(HrmpChannelId { sender, recipient: para_id })
 	}));
 	relevant_keys.extend(egress_channels.into_iter().map(|recipient| {
-		relay_well_known_keys::hrmp_channels(HrmpChannelId {
-			sender: para_id,
-			recipient,
-		})
+		relay_well_known_keys::hrmp_channels(HrmpChannelId { sender: para_id, recipient })
 	}));
 
 	sp_state_machine::prove_read(relay_parent_state_backend, relevant_keys)

primitives/parachain-inherent/src/mock.rs

@@ -14,8 +14,8 @@
 // You should have received a copy of the GNU General Public License
 // along with Cumulus.  If not, see <http://www.gnu.org/licenses/>.
 
-use cumulus_primitives_core::PersistedValidationData;
 use crate::{ParachainInherentData, INHERENT_IDENTIFIER};
+use cumulus_primitives_core::PersistedValidationData;
 use sp_inherents::{InherentData, InherentDataProvider};
 
 use cumulus_test_relay_sproof_builder::RelayStateSproofBuilder;

primitives/timestamp/src/lib.rs

@@ -48,25 +48,21 @@ impl InherentDataProvider {
 		relay_chain_slot: Slot,
 		relay_chain_slot_duration: Duration,
 	) -> Self {
-		Self {
-			relay_chain_slot,
-			relay_chain_slot_duration,
-		}
+		Self { relay_chain_slot, relay_chain_slot_duration }
 	}
 
 	/// Create the inherent data.
 	pub fn create_inherent_data(&self) -> Result<InherentData, Error> {
 		let mut inherent_data = InherentData::new();
-		self.provide_inherent_data(&mut inherent_data)
-			.map(|_| inherent_data)
+		self.provide_inherent_data(&mut inherent_data).map(|_| inherent_data)
 	}
 
 	/// Provide the inherent data into the given `inherent_data`.
 	pub fn provide_inherent_data(&self, inherent_data: &mut InherentData) -> Result<(), Error> {
 		// As the parachain starts building at around `relay_chain_slot + 1` we use that slot to
 		// calculate the timestamp.
-		let data: InherentType = ((*self.relay_chain_slot + 1)
-			* self.relay_chain_slot_duration.as_millis() as u64)
+		let data: InherentType = ((*self.relay_chain_slot + 1) *
+			self.relay_chain_slot_duration.as_millis() as u64)
 			.into();
 
 		inherent_data.put_data(INHERENT_IDENTIFIER, &data)
@@ -114,16 +110,10 @@ mod tests {
 		timestamp: u64,
 		relay_chain_slot: Slot,
 	) -> (ParachainBlockData, PHash) {
-		let sproof_builder = RelayStateSproofBuilder {
-			current_slot: relay_chain_slot,
-			..Default::default()
-		};
+		let sproof_builder =
+			RelayStateSproofBuilder { current_slot: relay_chain_slot, ..Default::default() };
 
-		let parent_header = client
-			.header(&at)
-			.ok()
-			.flatten()
-			.expect("Genesis header exists");
+		let parent_header = client.header(&at).ok().flatten().expect("Genesis header exists");
 
 		let relay_parent_storage_root = sproof_builder.clone().into_state_root_and_proof().0;
 
@@ -155,18 +145,13 @@ mod tests {
 			let timestamp = u64::from_str(&env::var("TIMESTAMP").expect("TIMESTAMP is set"))
 				.expect("TIMESTAMP is a valid `u64`");
 
-			let block = build_block(&client, BlockId::number(0), SLOT_DURATION, 1.into())
-				.0
-				.into_block();
+			let block =
+				build_block(&client, BlockId::number(0), SLOT_DURATION, 1.into()).0.into_block();
 			futures::executor::block_on(client.import(sp_consensus::BlockOrigin::Own, block))
 				.unwrap();
 
-			let (block, relay_chain_root) = build_block(
-				&client,
-				BlockId::number(1),
-				timestamp,
-				relay_chain_slot.into(),
-			);
+			let (block, relay_chain_root) =
+				build_block(&client, BlockId::number(1), timestamp, relay_chain_slot.into());
 
 			let header = call_validate_block(
 				client

primitives/utility/src/lib.rs

@@ -19,10 +19,10 @@
 
 #![cfg_attr(not(feature = "std"), no_std)]
 
-use sp_std::marker::PhantomData;
 use codec::Encode;
 use cumulus_primitives_core::UpwardMessageSender;
-use xcm::{WrapVersion, latest::prelude::*};
+use sp_std::marker::PhantomData;
+use xcm::{latest::prelude::*, WrapVersion};
 
 /// Xcm router which recognises the `Parent` destination and handles it by sending the message into
 /// the given UMP `UpwardMessageSender` implementation. Thus this essentially adapts an
@@ -36,12 +36,11 @@ impl<T: UpwardMessageSender, W: WrapVersion> SendXcm for ParentAsUmp<T, W> {
 	fn send_xcm(dest: MultiLocation, msg: Xcm<()>) -> Result<(), SendError> {
 		if dest.contains_parents_only(1) {
 			// An upward message for the relay chain.
-			let versioned_xcm = W::wrap_version(&dest, msg)
-				.map_err(|()| SendError::DestinationUnsupported)?;
+			let versioned_xcm =
+				W::wrap_version(&dest, msg).map_err(|()| SendError::DestinationUnsupported)?;
 			let data = versioned_xcm.encode();
 
-			T::send_upward_message(data)
-				.map_err(|e| SendError::Transport(e.into()))?;
+			T::send_upward_message(data).map_err(|e| SendError::Transport(e.into()))?;
 
 			Ok(())
 		} else {
@@ -50,4 +49,3 @@ impl<T: UpwardMessageSender, W: WrapVersion> SendXcm for ParentAsUmp<T, W> {
 		}
 	}
 }
-

test/client/src/block_builder.rs

@@ -107,9 +107,7 @@ fn init_block_builder<'a>(
 		)
 		.expect("Put validation function params failed");
 
-	let inherents = block_builder
-		.create_inherents(inherent_data)
-		.expect("Creates inherents");
+	let inherents = block_builder.create_inherents(inherent_data).expect("Creates inherents");
 
 	inherents
 		.into_iter()
@@ -138,10 +136,8 @@ impl InitBlockBuilder for Client {
 		validation_data: Option<PersistedValidationData<PHash, PBlockNumber>>,
 		relay_sproof_builder: RelayStateSproofBuilder,
 	) -> BlockBuilder<Block, Client, Backend> {
-		let last_timestamp = self
-			.runtime_api()
-			.get_last_timestamp(&at)
-			.expect("Get last timestamp");
+		let last_timestamp =
+			self.runtime_api().get_last_timestamp(&at).expect("Get last timestamp");
 
 		let timestamp = last_timestamp + cumulus_test_runtime::MinimumPeriod::get();
 

test/client/src/lib.rs

@@ -128,10 +128,8 @@ pub fn generate_extrinsic(
 	let current_block = client.info().best_number.saturated_into();
 	let genesis_block = client.hash(0).unwrap().unwrap();
 	let nonce = 0;
-	let period = BlockHashCount::get()
-		.checked_next_power_of_two()
-		.map(|c| c / 2)
-		.unwrap_or(2) as u64;
+	let period =
+		BlockHashCount::get().checked_next_power_of_two().map(|c| c / 2).unwrap_or(2) as u64;
 	let tip = 0;
 	let extra: SignedExtra = (
 		frame_system::CheckSpecVersion::<Runtime>::new(),
@@ -144,14 +142,7 @@ pub fn generate_extrinsic(
 	let raw_payload = SignedPayload::from_raw(
 		function.clone(),
 		extra.clone(),
-		(
-			VERSION.spec_version,
-			genesis_block,
-			current_block_hash,
-			(),
-			(),
-			(),
-		),
+		(VERSION.spec_version, genesis_block, current_block_hash, (), (), ()),
 	);
 	let signature = raw_payload.using_encoded(|e| origin.sign(e));
 
@@ -170,10 +161,8 @@ pub fn transfer(
 	dest: sp_keyring::AccountKeyring,
 	value: Balance,
 ) -> UncheckedExtrinsic {
-	let function = Call::Balances(pallet_balances::Call::transfer {
-		dest: dest.public().into(),
-		value,
-	});
+	let function =
+		Call::Balances(pallet_balances::Call::transfer { dest: dest.public().into(), value });
 
 	generate_extrinsic(client, origin, function)
 }

test/relay-sproof-builder/src/lib.rs

@@ -81,10 +81,7 @@ impl RelayStateSproofBuilder {
 		}
 
 		self.hrmp_channels
-			.entry(relay_chain::v1::HrmpChannelId {
-				sender,
-				recipient: self.para_id,
-			})
+			.entry(relay_chain::v1::HrmpChannelId { sender, recipient: self.para_id })
 			.or_insert_with(|| AbridgedHrmpChannel {
 				max_capacity: 0,
 				max_total_size: 0,
@@ -97,10 +94,7 @@ impl RelayStateSproofBuilder {
 
 	pub fn into_state_root_and_proof(
 		self,
-	) -> (
-		polkadot_primitives::v1::Hash,
-		sp_state_machine::StorageProof,
-	) {
+	) -> (polkadot_primitives::v1::Hash, sp_state_machine::StorageProof) {
 		let (db, root) = MemoryDB::<HashFor<polkadot_primitives::v1::Block>>::default_with_root();
 		let mut backend = sp_state_machine::TrieBackend::new(db, root);
 
@@ -113,10 +107,7 @@ impl RelayStateSproofBuilder {
 				backend.insert(vec![(None, vec![(key, Some(value))])]);
 			};
 
-			insert(
-				relay_chain::well_known_keys::ACTIVE_CONFIG.to_vec(),
-				self.host_config.encode(),
-			);
+			insert(relay_chain::well_known_keys::ACTIVE_CONFIG.to_vec(), self.host_config.encode());
 			if let Some(dmq_mqc_head) = self.dmq_mqc_head {
 				insert(
 					relay_chain::well_known_keys::dmq_mqc_head(self.para_id),
@@ -150,16 +141,10 @@ impl RelayStateSproofBuilder {
 				);
 			}
 			for (channel, metadata) in self.hrmp_channels {
-				insert(
-					relay_chain::well_known_keys::hrmp_channels(channel),
-					metadata.encode(),
-				);
+				insert(relay_chain::well_known_keys::hrmp_channels(channel), metadata.encode());
 			}
 
-			insert(
-				relay_chain::well_known_keys::CURRENT_SLOT.to_vec(),
-				self.current_slot.encode(),
-			);
+			insert(relay_chain::well_known_keys::CURRENT_SLOT.to_vec(), self.current_slot.encode());
 		}
 
 		let root = backend.root().clone();

test/relay-validation-worker-provider/build.rs

@@ -27,7 +27,7 @@ const SKIP_ENV: &str = "SKIP_BUILD";
 
 fn main() {
 	if env::var(SKIP_ENV).is_ok() {
-		return;
+		return
 	}
 
 	let out_dir = PathBuf::from(env::var("OUT_DIR").expect("`OUT_DIR` is set by cargo"));
@@ -35,11 +35,8 @@ fn main() {
 	let project = create_project(&out_dir);
 	build_project(&project.join("Cargo.toml"));
 
-	fs::copy(
-		project.join("target/release").join(PROJECT_NAME),
-		out_dir.join(PROJECT_NAME),
-	)
-	.expect("Copies validation worker");
+	fs::copy(project.join("target/release").join(PROJECT_NAME), out_dir.join(PROJECT_NAME))
+		.expect("Copies validation worker");
 }
 
 fn find_cargo_lock() -> PathBuf {
@@ -49,7 +46,7 @@ fn find_cargo_lock() -> PathBuf {
 
 	loop {
 		if path.join("Cargo.lock").exists() {
-			return path.join("Cargo.lock");
+			return path.join("Cargo.lock")
 		}
 
 		if !path.pop() {
@@ -109,7 +106,7 @@ fn build_project(cargo_toml: &Path) {
 		.status();
 
 	match status.map(|s| s.success()) {
-		Ok(true) => {}
+		Ok(true) => {},
 		// Use `process.exit(1)` to have a clean error output.
 		_ => process::exit(1),
 	}

test/runtime/src/lib.rs

@@ -113,10 +113,7 @@ pub const PRIMARY_PROBABILITY: (u64, u64) = (1, 4);
 /// The version information used to identify this runtime when compiled natively.
 #[cfg(feature = "std")]
 pub fn native_version() -> NativeVersion {
-	NativeVersion {
-		runtime_version: VERSION,
-		can_author_with: Default::default(),
-	}
+	NativeVersion { runtime_version: VERSION, can_author_with: Default::default() }
 }
 
 /// We assume that ~10% of the block weight is consumed by `on_initalize` handlers.
@@ -421,11 +418,8 @@ impl cumulus_pallet_parachain_system::CheckInherents<Block> for CheckInherents {
 	) -> sp_inherents::CheckInherentsResult {
 		if relay_state_proof.read_slot().expect("Reads slot") == 1337u64 {
 			let mut res = sp_inherents::CheckInherentsResult::new();
-			res.put_error(
-				[1u8; 8],
-				&sp_inherents::MakeFatalError::from("You are wrong"),
-			)
-			.expect("Puts error");
+			res.put_error([1u8; 8], &sp_inherents::MakeFatalError::from("You are wrong"))
+				.expect("Puts error");
 			res
 		} else {
 			let relay_chain_slot = relay_state_proof

test/service/src/chain_spec.rs

@@ -70,9 +70,7 @@ pub fn get_chain_spec(id: ParaId) -> ChainSpec {
 		None,
 		None,
 		None,
-		Extensions {
-			para_id: id.into(),
-		},
+		Extensions { para_id: id.into() },
 	)
 }
 
@@ -110,11 +108,7 @@ fn testnet_genesis(
 		},
 		parachain_system: Default::default(),
 		balances: cumulus_test_runtime::BalancesConfig {
-			balances: endowed_accounts
-				.iter()
-				.cloned()
-				.map(|k| (k, 1 << 60))
-				.collect(),
+			balances: endowed_accounts.iter().cloned().map(|k| (k, 1 << 60)).collect(),
 		},
 		sudo: cumulus_test_runtime::SudoConfig { key: root_key },
 	}

test/service/src/genesis.rs

@@ -15,8 +15,8 @@
 // along with Cumulus.  If not, see <http://www.gnu.org/licenses/>.
 
 use codec::Encode;
-use cumulus_primitives_core::ParaId;
 use cumulus_client_service::genesis::generate_genesis_block;
+use cumulus_primitives_core::ParaId;
 use cumulus_test_runtime::Block;
 use polkadot_primitives::v0::HeadData;
 use sp_runtime::traits::Block as BlockT;

test/service/src/lib.rs

@@ -181,7 +181,7 @@ where
 		+ 'static,
 {
 	if matches!(parachain_config.role, Role::Light) {
-		return Err("Light client not supported!".into());
+		return Err("Light client not supported!".into())
 	}
 
 	let mut parachain_config = prepare_node_config(parachain_config);
@@ -274,37 +274,35 @@ where
 				let relay_chain_client = relay_chain_full_node.client.clone();
 				let relay_chain_backend = relay_chain_full_node.backend.clone();
 
-				Box::new(
-					cumulus_client_consensus_relay_chain::RelayChainConsensus::new(
-						para_id,
-						proposer_factory,
-						move |_, (relay_parent, validation_data)| {
-							let parachain_inherent =
-								cumulus_primitives_parachain_inherent::ParachainInherentData::create_at(
-									relay_parent,
-									&*relay_chain_client,
-									&*relay_chain_backend,
-									&validation_data,
-									para_id,
-								);
+				Box::new(cumulus_client_consensus_relay_chain::RelayChainConsensus::new(
+					para_id,
+					proposer_factory,
+					move |_, (relay_parent, validation_data)| {
+						let parachain_inherent =
+							cumulus_primitives_parachain_inherent::ParachainInherentData::create_at(
+								relay_parent,
+								&*relay_chain_client,
+								&*relay_chain_backend,
+								&validation_data,
+								para_id,
+							);
 
-							async move {
-								let time = sp_timestamp::InherentDataProvider::from_system_time();
+						async move {
+							let time = sp_timestamp::InherentDataProvider::from_system_time();
 
-								let parachain_inherent = parachain_inherent.ok_or_else(|| {
-									Box::<dyn std::error::Error + Send + Sync>::from(String::from(
-										"error",
-									))
-								})?;
-								Ok((time, parachain_inherent))
-							}
-						},
-						client.clone(),
-						relay_chain_full_node.client.clone(),
-						relay_chain_full_node.backend.clone(),
-					),
-				)
-			}
+							let parachain_inherent = parachain_inherent.ok_or_else(|| {
+								Box::<dyn std::error::Error + Send + Sync>::from(String::from(
+									"error",
+								))
+							})?;
+							Ok((time, parachain_inherent))
+						}
+					},
+					client.clone(),
+					relay_chain_full_node.client.clone(),
+					relay_chain_full_node.backend.clone(),
+				))
+			},
 			Consensus::Null => Box::new(NullConsensus),
 		};
 
@@ -466,8 +464,7 @@ impl TestNodeBuilder {
 		mut self,
 		nodes: impl IntoIterator<Item = &'a polkadot_test_service::PolkadotTestNode>,
 	) -> Self {
-		self.relay_chain_nodes
-			.extend(nodes.into_iter().map(|n| n.addr.clone()));
+		self.relay_chain_nodes.extend(nodes.into_iter().map(|n| n.addr.clone()));
 		self
 	}
 
@@ -501,8 +498,7 @@ impl TestNodeBuilder {
 	/// Build the [`TestNode`].
 	pub async fn build(self) -> TestNode {
 		let parachain_config = node_config(
-			self.storage_update_func_parachain
-				.unwrap_or_else(|| Box::new(|| ())),
+			self.storage_update_func_parachain.unwrap_or_else(|| Box::new(|| ())),
 			self.tokio_handle.clone(),
 			self.key.clone(),
 			self.parachain_nodes,
@@ -512,8 +508,7 @@ impl TestNodeBuilder {
 		)
 		.expect("could not generate Configuration");
 		let mut relay_chain_config = polkadot_test_service::node_config(
-			self.storage_update_func_relay_chain
-				.unwrap_or_else(|| Box::new(|| ())),
+			self.storage_update_func_relay_chain.unwrap_or_else(|| Box::new(|| ())),
 			self.tokio_handle,
 			self.key,
 			self.relay_chain_nodes,
@@ -539,13 +534,7 @@ impl TestNodeBuilder {
 		let peer_id = network.local_peer_id().clone();
 		let addr = MultiaddrWithPeerId { multiaddr, peer_id };
 
-		TestNode {
-			task_manager,
-			client,
-			network,
-			addr,
-			rpc_handlers,
-		}
+		TestNode { task_manager, client, network, addr, rpc_handlers }
 	}
 }
 
@@ -566,18 +555,11 @@ pub fn node_config(
 ) -> Result<Configuration, ServiceError> {
 	let base_path = BasePath::new_temp_dir()?;
 	let root = base_path.path().to_path_buf();
-	let role = if is_collator {
-		Role::Authority
-	} else {
-		Role::Full
-	};
+	let role = if is_collator { Role::Authority } else { Role::Full };
 	let key_seed = key.to_seed();
 	let mut spec = Box::new(chain_spec::get_chain_spec(para_id));
 
-	let mut storage = spec
-		.as_storage_builder()
-		.build_storage()
-		.expect("could not build storage");
+	let mut storage = spec.as_storage_builder().build_storage().expect("could not build storage");
 
 	BasicExternalities::execute_with_storage(&mut storage, storage_update_func);
 	spec.set_storage(storage);
@@ -614,10 +596,7 @@ pub fn node_config(
 		network: network_config,
 		keystore: KeystoreConfig::InMemory,
 		keystore_remote: Default::default(),
-		database: DatabaseSource::RocksDb {
-			path: root.join("db"),
-			cache_size: 128,
-		},
+		database: DatabaseSource::RocksDb { path: root.join("db"), cache_size: 128 },
 		state_cache_size: 67108864,
 		state_cache_child_ratio: None,
 		state_pruning: PruningMode::ArchiveAll,
@@ -643,10 +622,7 @@ pub fn node_config(
 		prometheus_config: None,
 		telemetry_endpoints: None,
 		default_heap_pages: None,
-		offchain_worker: OffchainWorkerConfig {
-			enabled: true,
-			indexing_enabled: false,
-		},
+		offchain_worker: OffchainWorkerConfig { enabled: true, indexing_enabled: false },
 		force_authoring: false,
 		disable_grandpa: false,
 		dev_key_seed: Some(key_seed),
@@ -685,10 +661,7 @@ impl TestNode {
 		let call = frame_system::Call::set_code { code: validation };
 
 		self.send_extrinsic(
-			runtime::SudoCall::sudo_unchecked_weight {
-				call: Box::new(call.into()),
-				weight: 1_000,
-			},
+			runtime::SudoCall::sudo_unchecked_weight { call: Box::new(call.into()), weight: 1_000 },
 			Sr25519Keyring::Alice,
 		)
 		.await
@@ -726,14 +699,7 @@ pub fn construct_extrinsic(
 	let raw_payload = runtime::SignedPayload::from_raw(
 		function.clone(),
 		extra.clone(),
-		(
-			runtime::VERSION.spec_version,
-			genesis_block,
-			current_block_hash,
-			(),
-			(),
-			(),
-		),
+		(runtime::VERSION.spec_version, genesis_block, current_block_hash, (), (), ()),
 	);
 	let signature = raw_payload.using_encoded(|e| caller.sign(e));
 	runtime::UncheckedExtrinsic::new_signed(

test/service/tests/runtime_upgrade.rs

@@ -17,8 +17,8 @@
 use cumulus_primitives_core::ParaId;
 use cumulus_test_service::{initial_head_data, run_relay_chain_validator_node, Keyring::*};
 use futures::{join, StreamExt};
-use sp_runtime::generic::BlockId;
 use sc_client_api::BlockchainEvents;
+use sp_runtime::generic::BlockId;
 
 #[substrate_test_utils::test]
 #[ignore]
@@ -95,7 +95,7 @@ async fn test_runtime_upgrade() {
 				.expect("Runtime version exists");
 
 			if expected_runtime_version == runtime_version {
-				break;
+				break
 			}
 		}
 	}