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sweep: use p2tr output as change weight

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Eugene Siegel 2023-12-14 12:14:08 -05:00 • committed by eugene
parent ac9ca024a4
commit b47c1da07d
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GPG key ID: 118759E83439A9B1
2 changed files with 7 additions and 7 deletions
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2
sweep/tx_input_set.go
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@ -79,7 +79,7 @@ func (t *txInputSetState) weightEstimate(change bool) *weightEstimator {
// Add a change output to the weight estimate if requested.
if change {
weightEstimate.addP2WKHOutput()
weightEstimate.addP2TROutput()
}
return weightEstimate

12
sweep/tx_input_set_test.go
View file

@ -32,23 +32,23 @@ func TestTxInputSet(t *testing.T) {
}
fee := set.weightEstimate(true).fee()
require.Equal(t, btcutil.Amount(439), fee)
require.Equal(t, btcutil.Amount(487), fee)
// The tx output should now be 700-439 = 261 sats. The dust limit isn't
// The tx output should now be 700-487 = 213 sats. The dust limit isn't
// reached yet.
if set.totalOutput() != 261 {
if set.totalOutput() != 213 {
t.Fatal("unexpected output value")
}
if set.enoughInput() {
t.Fatal("expected dust limit not yet to be reached")
}
// Add a 1000 sat input. This increases the tx fee to 712 sats. The tx
// output should now be 1000+700 - 712 = 988 sats.
// Add a 1000 sat input. This increases the tx fee to 760 sats. The tx
// output should now be 1000+700 - 760 = 940 sats.
if !set.add(createP2WKHInput(1000), constraintsRegular) {
t.Fatal("expected add of positively yielding input to succeed")
}
if set.totalOutput() != 988 {
if set.totalOutput() != 940 {
t.Fatal("unexpected output value")
}
if !set.enoughInput() {