Currencies module: no event if from == to. (#232)

currencies/src/lib.rs

@@ -246,7 +246,7 @@ impl<T: Trait> MultiCurrency<T::AccountId> for Module<T> {
 		to: &T::AccountId,
 		amount: Self::Balance,
 	) -> DispatchResult {
-		if amount.is_zero() {
+		if amount.is_zero() || from == to {
 			return Ok(());
 		}
 		if currency_id == T::GetNativeCurrencyId::get() {

traits/src/auction.rs

@@ -51,7 +51,7 @@ pub struct OnNewBidResult<BlockNumber> {
 /// Hooks for auction to handle bids.
 pub trait AuctionHandler<AccountId, Balance, BlockNumber, AuctionId> {
 	/// Called when new bid is received.
-	/// The return value deteermine if the bid should be accepted and update auction end time.
+	/// The return value determines if the bid should be accepted and update auction end time.
 	/// Implementation should reserve money from current winner and refund previous winner.
 	fn on_new_bid(
 		now: BlockNumber,