chore: fix some comments

Signed-off-by: peicuiping <[email protected]>

libs/traits/src/lib.rs

@@ -66,7 +66,7 @@ pub mod benchmarking;
 /// ## Overview
 /// The crowdloan reward mechanism is separated from the crowdloan claiming
 /// process, the latter being generic, acting as a kind of proxy to the
-/// rewarding mechanism, that is specific to to each crowdloan campaign. The aim
+/// rewarding mechanism, that is specific to each crowdloan campaign. The aim
 /// of this pallet is to ensure that a claim for a reward payout is well-formed,
 /// checking for replay attacks, spams or invalid claim (e.g. unknown
 /// contributor, exceeding reward amount, ...).

libs/traits/src/swaps.rs

@@ -160,7 +160,7 @@ pub trait Swaps<AccountId> {
 	) -> Result<SwapStatus<Self::Amount>, DispatchError>;
 
 	/// Cancel a swap partially or completely. The amount should be expressed in
-	/// the same currency as the the currency_out of the pending amount.
+	/// the same currency as the currency_out of the pending amount.
 	/// - If there was no previous swap, it errors outs.
 	/// - If there was a swap with other currency out, it errors outs.
 	/// - If there was a swap with same currency out:

pallets/liquidity-pools/src/lib.rs

@@ -857,7 +857,7 @@ pub mod pallet {
 			Ok(general_index.index)
 		}
 
-		/// Returns the local currency identifier from from its general index.
+		/// Returns the local currency identifier from its general index.
 		///
 		/// Requires the currency to be registered in the `AssetRegistry`.
 		///

pallets/pool-fees/src/lib.rs

@@ -546,7 +546,7 @@ pub mod pallet {
 			})
 		}
 
-		/// Return the the last fee id and bump it for the next query
+		/// Return the last fee id and bump it for the next query
 		pub(crate) fn generate_fee_id() -> Result<T::FeeId, ArithmeticError> {
 			LastFeeId::<T>::try_mutate(|last_fee_id| {
 				last_fee_id.ensure_add_assign(One::one())?;

pallets/pool-system/src/solution.rs

@@ -70,7 +70,7 @@ impl PoolState {
 	/// Removes an unhealthy state
 	///
 	/// * If the state was not present yet, it will not be removed,
-	///  it it was present if will be removed.
+	///  if it was present it will be removed.
 	///
 	/// * If there are no more unhealthy states, the state will
 	/// be switched to healthy

pallets/pool-system/src/tranches.rs

@@ -2065,7 +2065,7 @@ pub mod test {
 		fn replace_tranche_less_interest_than_next_works() {
 			let mut tranches = default_tranches();
 
-			// ensure we have an interest rate lower than the the left side tranche with a
+			// ensure we have an interest rate lower than the left side tranche with a
 			// lower index, e.g. lower than 10% at index 1
 			let int_per_sec = Rate::one() / Rate::saturating_from_integer(SECS_PER_YEAR);
 			let min_risk_buffer = Perquintill::from_rational(4u64, 5);
@@ -2145,7 +2145,7 @@ pub mod test {
 			let mut tranches = default_tranches();
 
 			let min_risk_buffer = Perquintill::from_rational(4u64, 5);
-			// ensure we have an interest rate larger than the the right-side tranche with a
+			// ensure we have an interest rate larger than the right-side tranche with a
 			// greater index, e.g. larger than 5% at index 2
 			let int_per_sec = Rate::saturating_from_rational(6u64, 100)
 				/ Rate::saturating_from_integer(SECS_PER_YEAR)

runtime/integration-tests/src/generic/cases/block_rewards.rs

@@ -138,7 +138,7 @@ fn apply_and_check_session<T: Runtime>(
 	// The event exists in this list:
 	dbg!(frame_system::Pallet::<T>::events())
 
-	// But not in in this list (that is the implementation of find_event()),
+	// But not in this list (that is the implementation of find_event()),
 	// so try_into returns an Err for it.
 	dbg!(frame_system::Pallet::<T>::events()
 		.into_iter()