Use same fmt and clippy configs as in Substrate (#7611)

* Use same rustfmt.toml as Substrate

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* format format file

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Format with new config

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Add Substrate Clippy config

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Print Clippy version in CI

Otherwise its difficult to reproduce locally.

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Make fmt happy

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Update node/core/pvf/src/error.rs

Co-authored-by: Tsvetomir Dimitrov <tsvetomir@parity.io>

* Update node/core/pvf/src/error.rs

Co-authored-by: Tsvetomir Dimitrov <tsvetomir@parity.io>

---------

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Co-authored-by: Tsvetomir Dimitrov <tsvetomir@parity.io>

polkadot/.cargo/config.toml

@@ -29,4 +29,5 @@ rustflags = [
   "-Aclippy::needless_option_as_deref",  # false positives
   "-Aclippy::derivable_impls",           # false positives
   "-Aclippy::stable_sort_primitive",     # prefer stable sort
+  "-Aclippy::extra-unused-type-parameters", # stylistic
 ]

polkadot/cli/src/cli.rs

@@ -130,8 +130,8 @@ pub struct RunCmd {
 	pub overseer_channel_capacity_override: Option<usize>,
 
 	/// Path to the directory where auxiliary worker binaries reside. If not specified, the main
-	/// binary's directory is searched first, then `/usr/lib/polkadot` is searched. TESTING ONLY: if
-	/// the path points to an executable rather then directory, that executable is used both as
+	/// binary's directory is searched first, then `/usr/lib/polkadot` is searched. TESTING ONLY:
+	/// if the path points to an executable rather then directory, that executable is used both as
 	/// preparation and execution worker.
 	#[arg(long, value_name = "PATH")]
 	pub workers_path: Option<PathBuf>,

polkadot/cli/src/command.rs

@@ -148,8 +148,8 @@ impl SubstrateCli for Cli {
 				let chain_spec = Box::new(service::PolkadotChainSpec::from_json_file(path.clone())?)
 					as Box<dyn service::ChainSpec>;
 
-				// When `force_*` is given or the file name starts with the name of one of the known chains,
-				// we use the chain spec for the specific chain.
+				// When `force_*` is given or the file name starts with the name of one of the known
+				// chains, we use the chain spec for the specific chain.
 				if self.run.force_rococo ||
 					chain_spec.is_rococo() ||
 					chain_spec.is_wococo() ||

polkadot/core-primitives/src/lib.rs

@@ -91,10 +91,10 @@ impl sp_std::fmt::Debug for CandidateHash {
 pub type Nonce = u32;
 
 /// The balance of an account.
-/// 128-bits (or 38 significant decimal figures) will allow for 10 m currency (`10^7`) at a resolution
-/// to all for one second's worth of an annualised 50% reward be paid to a unit holder (`10^11` unit
-/// denomination), or `10^18` total atomic units, to grow at 50%/year for 51 years (`10^9` multiplier)
-/// for an eventual total of `10^27` units (27 significant decimal figures).
+/// 128-bits (or 38 significant decimal figures) will allow for 10 m currency (`10^7`) at a
+/// resolution to all for one second's worth of an annualised 50% reward be paid to a unit holder
+/// (`10^11` unit denomination), or `10^18` total atomic units, to grow at 50%/year for 51 years
+/// (`10^9` multiplier) for an eventual total of `10^27` units (27 significant decimal figures).
 /// We round denomination to `10^12` (12 SDF), and leave the other redundancy at the upper end so
 /// that 32 bits may be multiplied with a balance in 128 bits without worrying about overflow.
 pub type Balance = u128;
@@ -121,8 +121,8 @@ pub type Remark = [u8; 32];
 /// The size of the message is limited by the `config.max_downward_message_size` parameter.
 pub type DownwardMessage = sp_std::vec::Vec<u8>;
 
-/// A wrapped version of `DownwardMessage`. The difference is that it has attached the block number when
-/// the message was sent.
+/// A wrapped version of `DownwardMessage`. The difference is that it has attached the block number
+/// when the message was sent.
 #[derive(Encode, Decode, Clone, sp_runtime::RuntimeDebug, PartialEq, TypeInfo)]
 pub struct InboundDownwardMessage<BlockNumber = crate::BlockNumber> {
 	/// The block number at which these messages were put into the downward message queue.

polkadot/node/collation-generation/src/lib.rs

@@ -22,9 +22,11 @@
 //!
 //! * If there is no collation generation config, ignore.
 //! * Otherwise, for each `activated` head in the update:
-//!   * Determine if the para is scheduled on any core by fetching the `availability_cores` Runtime API.
+//!   * Determine if the para is scheduled on any core by fetching the `availability_cores` Runtime
+//!     API.
 //!   * Use the Runtime API subsystem to fetch the full validation data.
-//!   * Invoke the `collator`, and use its outputs to produce a [`CandidateReceipt`], signed with the configuration's `key`.
+//!   * Invoke the `collator`, and use its outputs to produce a [`CandidateReceipt`], signed with
+//!     the configuration's `key`.
 //!   * Dispatch a [`CollatorProtocolMessage::DistributeCollation`]`(receipt, pov)`.
 
 #![deny(missing_docs)]
@@ -77,8 +79,8 @@ impl CollationGenerationSubsystem {
 	/// Conceptually, this is very simple: it just loops forever.
 	///
 	/// - On incoming overseer messages, it starts or stops jobs as appropriate.
-	/// - On other incoming messages, if they can be converted into `Job::ToJob` and
-	///   include a hash, then they're forwarded to the appropriate individual job.
+	/// - On other incoming messages, if they can be converted into `Job::ToJob` and include a hash,
+	///   then they're forwarded to the appropriate individual job.
 	/// - On outgoing messages from the jobs, it forwards them to the overseer.
 	///
 	/// If `err_tx` is not `None`, errors are forwarded onto that channel as they occur.
@@ -109,9 +111,10 @@ impl CollationGenerationSubsystem {
 	}
 
 	// handle an incoming message. return true if we should break afterwards.
-	// note: this doesn't strictly need to be a separate function; it's more an administrative function
-	// so that we don't clutter the run loop. It could in principle be inlined directly into there.
-	// it should hopefully therefore be ok that it's an async function mutably borrowing self.
+	// note: this doesn't strictly need to be a separate function; it's more an administrative
+	// function so that we don't clutter the run loop. It could in principle be inlined directly
+	// into there. it should hopefully therefore be ok that it's an async function mutably borrowing
+	// self.
 	async fn handle_incoming<Context>(
 		&mut self,
 		incoming: SubsystemResult<FromOrchestra<<Context as SubsystemContext>::Message>>,
@@ -319,8 +322,9 @@ async fn handle_new_activations<Context>(
 						// As long as `POV_BOMB_LIMIT` is at least `max_pov_size`, this ensures
 						// that honest collators never produce a PoV which is uncompressed.
 						//
-						// As such, honest collators never produce an uncompressed PoV which starts with
-						// a compression magic number, which would lead validators to reject the collation.
+						// As such, honest collators never produce an uncompressed PoV which starts
+						// with a compression magic number, which would lead validators to reject
+						// the collation.
 						if encoded_size > validation_data.max_pov_size as usize {
 							gum::debug!(
 								target: LOG_TARGET,

polkadot/node/collation-generation/src/tests.rs

@@ -203,9 +203,9 @@ mod handle_new_activations {
 			.into_inner();
 
 		// the only activated hash should be from the 4 hash:
-		// each activated hash generates two scheduled cores: one with its value * 4, one with its value * 5
-		// given that the test configuration has a `para_id` of 16, there's only one way to get that value: with the 4
-		// hash.
+		// each activated hash generates two scheduled cores: one with its value * 4, one with its
+		// value * 5 given that the test configuration has a `para_id` of 16, there's only one way
+		// to get that value: with the 4 hash.
 		assert_eq!(requested_validation_data, vec![[4; 32].into()]);
 	}
 
@@ -301,8 +301,8 @@ mod handle_new_activations {
 			.into_inner();
 
 		// we expect a single message to be sent, containing a candidate receipt.
-		// we don't care too much about the `commitments_hash` right now, but let's ensure that we've calculated the
-		// correct descriptor
+		// we don't care too much about the `commitments_hash` right now, but let's ensure that
+		// we've calculated the correct descriptor
 		let expect_pov_hash =
 			test_collation_compressed().proof_of_validity.into_compressed().hash();
 		let expect_validation_data_hash = test_validation_data().hash();

polkadot/node/core/approval-voting/src/approval_checking.rs

@@ -42,8 +42,8 @@ pub enum RequiredTranches {
 		/// assignments that are before the local time.
 		maximum_broadcast: DelayTranche,
 		/// The clock drift, in ticks, to apply to the local clock when determining whether
-		/// to broadcast an assignment or when to schedule a wakeup. The local clock should be treated
-		/// as though it is `clock_drift` ticks earlier.
+		/// to broadcast an assignment or when to schedule a wakeup. The local clock should be
+		/// treated as though it is `clock_drift` ticks earlier.
 		clock_drift: Tick,
 	},
 	/// An exact number of required tranches and a number of no-shows. This indicates that
@@ -55,8 +55,8 @@ pub enum RequiredTranches {
 		/// The amount of missing votes that should be tolerated.
 		tolerated_missing: usize,
 		/// When the next no-show would be, if any. This is used to schedule the next wakeup in the
-		/// event that there are some assignments that don't have corresponding approval votes. If this
-		/// is `None`, all assignments have approvals.
+		/// event that there are some assignments that don't have corresponding approval votes. If
+		/// this is `None`, all assignments have approvals.
 		next_no_show: Option<Tick>,
 		/// The last tick at which a needed assignment was received.
 		last_assignment_tick: Option<Tick>,

polkadot/node/core/approval-voting/src/criteria.rs

@@ -218,13 +218,14 @@ impl AssignmentCriteria for RealAssignmentCriteria {
 }
 
 /// Compute the assignments for a given block. Returns a map containing all assignments to cores in
-/// the block. If more than one assignment targets the given core, only the earliest assignment is kept.
+/// the block. If more than one assignment targets the given core, only the earliest assignment is
+/// kept.
 ///
-/// The `leaving_cores` parameter indicates all cores within the block where a candidate was included,
-/// as well as the group index backing those.
+/// The `leaving_cores` parameter indicates all cores within the block where a candidate was
+/// included, as well as the group index backing those.
 ///
-/// The current description of the protocol assigns every validator to check every core. But at different times.
-/// The idea is that most assignments are never triggered and fall by the wayside.
+/// The current description of the protocol assigns every validator to check every core. But at
+/// different times. The idea is that most assignments are never triggered and fall by the wayside.
 ///
 /// This will not assign to anything the local validator was part of the backing group for.
 pub(crate) fn compute_assignments(
@@ -463,8 +464,8 @@ pub(crate) enum InvalidAssignmentReason {
 ///   * Sample is out of bounds
 ///   * Validator is present in backing group.
 ///
-/// This function does not check whether the core is actually a valid assignment or not. That should be done
-/// outside the scope of this function.
+/// This function does not check whether the core is actually a valid assignment or not. That should
+/// be done outside the scope of this function.
 pub(crate) fn check_assignment_cert(
 	claimed_core_index: CoreIndex,
 	validator_index: ValidatorIndex,

polkadot/node/core/approval-voting/src/import.rs

@@ -104,7 +104,8 @@ enum ImportedBlockInfoError {
 	VrfInfoUnavailable,
 }
 
-/// Computes information about the imported block. Returns an error if the info couldn't be extracted.
+/// Computes information about the imported block. Returns an error if the info couldn't be
+/// extracted.
 #[overseer::contextbounds(ApprovalVoting, prefix = self::overseer)]
 async fn imported_block_info<Context>(
 	ctx: &mut Context,
@@ -181,20 +182,21 @@ async fn imported_block_info<Context>(
 		// It's not obvious whether to use the hash or the parent hash for this, intuitively. We
 		// want to use the block hash itself, and here's why:
 		//
-		// First off, 'epoch' in BABE means 'session' in other places. 'epoch' is the terminology from
-		// the paper, which we fulfill using 'session's, which are a Substrate consensus concept.
+		// First off, 'epoch' in BABE means 'session' in other places. 'epoch' is the terminology
+		// from the paper, which we fulfill using 'session's, which are a Substrate consensus
+		// concept.
 		//
-		// In BABE, the on-chain and off-chain view of the current epoch can differ at epoch boundaries
-		// because epochs change precisely at a slot. When a block triggers a new epoch, the state of
-		// its parent will still have the old epoch. Conversely, we have the invariant that every
-		// block in BABE has the epoch _it was authored in_ within its post-state. So we use the
-		// block, and not its parent.
+		// In BABE, the on-chain and off-chain view of the current epoch can differ at epoch
+		// boundaries because epochs change precisely at a slot. When a block triggers a new epoch,
+		// the state of its parent will still have the old epoch. Conversely, we have the invariant
+		// that every block in BABE has the epoch _it was authored in_ within its post-state. So we
+		// use the block, and not its parent.
 		//
-		// It's worth nothing that Polkadot session changes, at least for the purposes of parachains,
-		// would function the same way, except for the fact that they're always delayed by one block.
-		// This gives us the opposite invariant for sessions - the parent block's post-state gives
-		// us the canonical information about the session index for any of its children, regardless
-		// of which slot number they might be produced at.
+		// It's worth nothing that Polkadot session changes, at least for the purposes of
+		// parachains, would function the same way, except for the fact that they're always delayed
+		// by one block. This gives us the opposite invariant for sessions - the parent block's
+		// post-state gives us the canonical information about the session index for any of its
+		// children, regardless of which slot number they might be produced at.
 		ctx.send_message(RuntimeApiMessage::Request(
 			block_hash,
 			RuntimeApiRequest::CurrentBabeEpoch(s_tx),

polkadot/node/core/approval-voting/src/lib.rs

@@ -1232,8 +1232,8 @@ async fn handle_from_overseer<Context>(
 									);
 
 									// Our first wakeup will just be the tranche of our assignment,
-									// if any. This will likely be superseded by incoming assignments
-									// and approvals which trigger rescheduling.
+									// if any. This will likely be superseded by incoming
+									// assignments and approvals which trigger rescheduling.
 									actions.push(Action::ScheduleWakeup {
 										block_hash: block_batch.block_hash,
 										block_number: block_batch.block_number,
@@ -1256,12 +1256,14 @@ async fn handle_from_overseer<Context>(
 			crate::ops::canonicalize(db, block_number, block_hash)
 				.map_err(|e| SubsystemError::with_origin("db", e))?;
 
-			// `prune_finalized_wakeups` prunes all finalized block hashes. We prune spans accordingly.
+			// `prune_finalized_wakeups` prunes all finalized block hashes. We prune spans
+			// accordingly.
 			wakeups.prune_finalized_wakeups(block_number, &mut state.spans);
 
-			// // `prune_finalized_wakeups` prunes all finalized block hashes. We prune spans accordingly.
-			// let hash_set = wakeups.block_numbers.values().flatten().collect::<HashSet<_>>();
-			// state.spans.retain(|hash, _| hash_set.contains(hash));
+			// // `prune_finalized_wakeups` prunes all finalized block hashes. We prune spans
+			// accordingly. let hash_set =
+			// wakeups.block_numbers.values().flatten().collect::<HashSet<_>>(); state.spans.
+			// retain(|hash, _| hash_set.contains(hash));
 
 			Vec::new()
 		},
@@ -1403,8 +1405,8 @@ async fn get_approval_signatures_for_candidate<Context>(
 			tx_distribution,
 		));
 
-		// Because of the unbounded sending and the nature of the call (just fetching data from state),
-		// this should not block long:
+		// Because of the unbounded sending and the nature of the call (just fetching data from
+		// state), this should not block long:
 		match rx_distribution.timeout(WAIT_FOR_SIGS_TIMEOUT).await {
 			None => {
 				gum::warn!(
@@ -2117,9 +2119,10 @@ impl ApprovalStateTransition {
 	}
 }
 
-// Advance the approval state, either by importing an approval vote which is already checked to be valid and corresponding to an assigned
-// validator on the candidate and block, or by noting that there are no further wakeups or tranches needed. This updates the block entry and candidate entry as
-// necessary and schedules any further wakeups.
+// Advance the approval state, either by importing an approval vote which is already checked to be
+// valid and corresponding to an assigned validator on the candidate and block, or by noting that
+// there are no further wakeups or tranches needed. This updates the block entry and candidate entry
+// as necessary and schedules any further wakeups.
 async fn advance_approval_state<Sender>(
 	sender: &mut Sender,
 	state: &State,
@@ -2251,7 +2254,8 @@ where
 		// 1. This is not a local approval, as we don't store anything new in the approval entry.
 		// 2. The candidate is not newly approved, as we haven't altered the approval entry's
 		//	  approved flag with `mark_approved` above.
-		// 3. The approver, if any, had already approved the candidate, as we haven't altered the bitfield.
+		// 3. The approver, if any, had already approved the candidate, as we haven't altered the
+		// bitfield.
 		if transition.is_local_approval() || newly_approved || !already_approved_by.unwrap_or(true)
 		{
 			// In all other cases, we need to write the candidate entry.
@@ -2279,7 +2283,8 @@ fn should_trigger_assignment(
 					&approval_entry,
 					RequiredTranches::All,
 				)
-				.is_approved(Tick::max_value()), // when all are required, we are just waiting for the first 1/3+
+				// when all are required, we are just waiting for the first 1/3+
+				.is_approved(Tick::max_value()),
 				RequiredTranches::Pending { maximum_broadcast, clock_drift, .. } => {
 					let drifted_tranche_now =
 						tranche_now.saturating_sub(clock_drift as DelayTranche);
@@ -2615,8 +2620,8 @@ async fn launch_approval<Context>(
 		match val_rx.await {
 			Err(_) => return ApprovalState::failed(validator_index, candidate_hash),
 			Ok(Ok(ValidationResult::Valid(_, _))) => {
-				// Validation checked out. Issue an approval command. If the underlying service is unreachable,
-				// then there isn't anything we can do.
+				// Validation checked out. Issue an approval command. If the underlying service is
+				// unreachable, then there isn't anything we can do.
 
 				gum::trace!(target: LOG_TARGET, ?candidate_hash, ?para_id, "Candidate Valid");
 

polkadot/node/core/approval-voting/src/ops.rs

@@ -161,7 +161,8 @@ pub fn canonicalize(
 		}
 	}
 
-	// Update all blocks-at-height keys, deleting all those which now have empty `block_assignments`.
+	// Update all blocks-at-height keys, deleting all those which now have empty
+	// `block_assignments`.
 	for (h, at) in visited_heights.into_iter() {
 		if at.is_empty() {
 			overlay_db.delete_blocks_at_height(h);
@@ -170,8 +171,8 @@ pub fn canonicalize(
 		}
 	}
 
-	// due to the fork pruning, this range actually might go too far above where our actual highest block is,
-	// if a relatively short fork is canonicalized.
+	// due to the fork pruning, this range actually might go too far above where our actual highest
+	// block is, if a relatively short fork is canonicalized.
 	// TODO https://github.com/paritytech/polkadot/issues/3389
 	let new_range = StoredBlockRange(canon_number + 1, std::cmp::max(range.1, canon_number + 2));