chore: fee payer event (backport cosmos#12850) (cosmos#12856)

agoric-labs · Sep 28, 2024 · 9ad1559 · 9ad1559
1 parent a1907c6
commit 9ad1559
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Showing 2 changed files with 5 additions and 3 deletions.
diff --git a/types/events.go b/types/events.go
@@ -288,6 +288,7 @@ var (
 	AttributeKeyAccountSequence = "acc_seq"
 	AttributeKeySignature       = "signature"
 	AttributeKeyFee             = "fee"
+	AttributeKeyFeePayer        = "fee_payer"
 
 	EventTypeMessage = "message"
 

diff --git a/x/auth/ante/fee.go b/x/auth/ante/fee.go
@@ -134,9 +134,10 @@ func (dfd *DeductFeeDecorator) checkDeductFee(ctx context.Context, feeTx sdk.Fee
 		}
 	}
 
-	events := sdk.Events{sdk.NewEvent(sdk.EventTypeTx,
-		sdk.NewAttribute(sdk.AttributeKeyFee, feeTx.GetFee().String()),
-	)}
+	events := sdk.Events{
+		sdk.NewEvent(sdk.EventTypeTx, sdk.NewAttribute(sdk.AttributeKeyFee, feeTx.GetFee().String())),
+		sdk.NewEvent(sdk.EventTypeTx, sdk.NewAttribute(sdk.AttributeKeyFeePayer, deductFeesFrom.String())),
+	}
 	ctx.EventManager().EmitEvents(events)
 
 	return next(ctx, tx, simulate)