Few typos and clippy fixes (#1362)

* fix typos

* clippy fixes

bridges/primitives/header-chain/src/justification.rs

@@ -113,7 +113,7 @@ where
 		// check if authority has already voted in the same round.
 		//
 		// there's a lot of code in `validate_commit` and `import_precommit` functions inside
-		// `finality-grandpa` crate (mostly related to reporing equivocations). But the only thing
+		// `finality-grandpa` crate (mostly related to reporting equivocations). But the only thing
 		// that we care about is that only first vote from the authority is accepted
 		if !votes.insert(signed.id.clone()) {
 			continue
@@ -121,11 +121,11 @@ where
 
 		// everything below this line can't just `continue`, because state is already altered
 
-		// all precommits must be for block higher than the target
+		// precommits aren't allowed for block lower than the target
 		if signed.precommit.target_number < justification.commit.target_number {
 			return Err(Error::PrecommitIsNotCommitDescendant)
 		}
-		// all precommits must be for target block descendents
+		// all precommits must be descendants of target block
 		chain = chain
 			.ensure_descendant(&justification.commit.target_hash, &signed.precommit.target_hash)?;
 		// since we know now that the precommit target is the descendant of the justification
@@ -193,8 +193,8 @@ impl<Header: HeaderT> AncestryChain<Header> {
 		AncestryChain { parents, unvisited }
 	}
 
-	/// Returns `Err(_)` if `precommit_target` is a descendant of the `commit_target` block and
-	/// `Ok(_)` otherwise.
+	/// Returns `Ok(_)` if `precommit_target` is a descendant of the `commit_target` block and
+	/// `Err(_)` otherwise.
 	pub fn ensure_descendant(
 		mut self,
 		commit_target: &Header::Hash,
@@ -213,7 +213,7 @@ impl<Header: HeaderT> AncestryChain<Header> {
 						// `Some(parent_hash)` means that the `current_hash` is in the `parents`
 						// container `is_visited_before` means that it has been visited before in
 						// some of previous calls => since we assume that previous call has finished
-						// with `true`, this also will    be finished with `true`
+						// with `true`, this also will be finished with `true`
 						return Ok(self)
 					}
 

bridges/primitives/messages/src/lib.rs

@@ -19,8 +19,6 @@
 #![cfg_attr(not(feature = "std"), no_std)]
 // RuntimeApi generated functions
 #![allow(clippy::too_many_arguments)]
-// Generated by `DecodeLimit::decode_with_depth_limit`
-#![allow(clippy::unnecessary_mut_passed)]
 
 use bitvec::prelude::*;
 use bp_runtime::messages::DispatchFeePayment;
@@ -42,7 +40,7 @@ pub use frame_support::weights::Weight;
 pub enum OperatingMode {
 	/// Normal mode, when all operations are allowed.
 	Normal,
-	/// The pallet is not accepting outbound messages. Inbound messages and receival proofs
+	/// The pallet is not accepting outbound messages. Inbound messages and receiving proofs
 	/// are still accepted.
 	///
 	/// This mode may be used e.g. when bridged chain expects upgrade. Then to avoid dispatch
@@ -226,7 +224,7 @@ impl DeliveredMessages {
 	/// dispatch result.
 	pub fn new(nonce: MessageNonce, dispatch_result: bool) -> Self {
 		let mut dispatch_results = BitVec::with_capacity(1);
-		dispatch_results.push(if dispatch_result { true } else { false });
+		dispatch_results.push(dispatch_result);
 		DeliveredMessages { begin: nonce, end: nonce, dispatch_results }
 	}
 

bridges/primitives/runtime/src/chain.rs

@@ -154,7 +154,6 @@ pub trait Chain: Send + Sync + 'static {
 	type Balance: AtLeast32BitUnsigned
 		+ FixedPointOperand
 		+ Parameter
-		+ Parameter
 		+ Member
 		+ MaybeSerializeDeserialize
 		+ Clone