123: feePayer := feeTx.FeePayer()
124:
125: if err := dfd.BurnFeeAndRefund(ctx, payCoin, tip, feePayer, params.FeeDenom); err != nil {
126: 	return ctx, err
127: }
148: func (dfd FeeMarketDeductDecorator) BurnFeeAndRefund(ctx sdk.Context, fee, tip sdk.Coin, feePayer sdk.AccAddress, defaultFeeDenom string) error {
...   // [...]
163:
164: 	// refund the tip if it is not nil and non zero
165: 	if !tip.IsNil() && !tip.IsZero() {
166: 		err := RefundTip(dfd.bankKeeper, ctx, feePayer, sdk.NewCoins(tip))
167: 		if err != nil {
168: 			return err
169: 		}
170:
171: 		events = append(events, sdk.NewEvent(
172: 			xfeemarkettypes.EventTypeTipRefund,
173: 			sdk.NewAttribute(feemarkettypes.AttributeKeyTip, tip.String()),
174: 			sdk.NewAttribute(feemarkettypes.AttributeKeyTipPayee, feePayer.String()),
175: 		))
176: 	}
177:
178: 	ctx.EventManager().EmitEvents(events)
179: 	return nil
180: }
