Add option to allow for dust when checking outputs

benthecarman · benthecarman · commit 92a6033e700e · 2024-01-27T16:14:52.000Z
diff --git a/wallet/txrules/rules.go b/wallet/txrules/rules.go
@@ -39,14 +39,14 @@ var (
 
 // CheckOutput performs simple consensus and policy tests on a transaction
 // output.
-func CheckOutput(output *wire.TxOut, relayFeePerKb btcutil.Amount) error {
+func CheckOutput(output *wire.TxOut, relayFeePerKb btcutil.Amount, allowDust bool) error {
 	if output.Value < 0 {
 		return ErrAmountNegative
 	}
 	if output.Value > btcutil.MaxSatoshi {
 		return ErrAmountExceedsMax
 	}
-	if IsDustOutput(output, relayFeePerKb) {
+	if !allowDust && IsDustOutput(output, relayFeePerKb) {
 		return ErrOutputIsDust
 	}
 	return nil

Original file line number	Diff line number	Diff line change
`@@ -39,14 +39,14 @@ var (`
`39`	`39`
`40`	`40`	`// CheckOutput performs simple consensus and policy tests on a transaction`
`41`	`41`	`// output.`
`42`		`-func CheckOutput(output *wire.TxOut, relayFeePerKb btcutil.Amount) error {`
	`42`	`+func CheckOutput(output *wire.TxOut, relayFeePerKb btcutil.Amount, allowDust bool) error {`
`43`	`43`	`if output.Value < 0 {`
`44`	`44`	`return ErrAmountNegative`
`45`	`45`	`}`
`46`	`46`	`if output.Value > btcutil.MaxSatoshi {`
`47`	`47`	`return ErrAmountExceedsMax`
`48`	`48`	`}`
`49`		`- if IsDustOutput(output, relayFeePerKb) {`
	`49`	`+ if !allowDust && IsDustOutput(output, relayFeePerKb) {`
`50`	`50`	`return ErrOutputIsDust`
`51`	`51`	`}`
`52`	`52`	`return nil`