ci: add quick-check with rustfmt

.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)],
 		};
@@ -86,22 +84,22 @@ 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(())
+				},
 			}
 		}
 
 		for db_path in &db_paths {
 			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!(
@@ -110,15 +105,15 @@ where
 					hash,
 				);
 				false
-			}
+			},
 			Ok(BlockStatus::KnownBad) => {
 				tracing::error!(
 					target: LOG_TARGET,
 					block_hash = ?hash,
 					"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
 	}
 }