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multi: replace DefaultDustLimit with script-specific DustLimitForSize

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This commit updates call-sites to use the proper dust limits for
various script types. This also updates the default dust limit used
in the funding flow to be 354 satoshis instead of 573 satoshis.
This commit is contained in:
eugene
2021-09-23 15:40:37 -04:00
parent 3385d38414
commit fdcd726f9a
27 changed files with 330 additions and 154 deletions
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24
sweep/tx_input_set_test.go
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@ -14,14 +14,9 @@ import (
func TestTxInputSet(t *testing.T) {
const (
feeRate = 1000
relayFee = 300
maxInputs = 10
)
set := newTxInputSet(nil, feeRate, relayFee, maxInputs)
if set.dustLimit != 537 {
t.Fatalf("incorrect dust limit")
}
set := newTxInputSet(nil, feeRate, maxInputs)
// Create a 300 sat input. The fee to sweep this input to a P2WKH output
// is 439 sats. That means that this input yields -139 sats and we
@ -66,16 +61,15 @@ func TestTxInputSet(t *testing.T) {
func TestTxInputSetFromWallet(t *testing.T) {
const (
feeRate = 500
relayFee = 300
maxInputs = 10
)
wallet := &mockWallet{}
set := newTxInputSet(wallet, feeRate, relayFee, maxInputs)
set := newTxInputSet(wallet, feeRate, maxInputs)
// Add a 700 sat input to the set. It yields positively, but doesn't
// Add a 500 sat input to the set. It yields positively, but doesn't
// reach the output dust limit.
if !set.add(createP2WKHInput(700), constraintsRegular) {
if !set.add(createP2WKHInput(500), constraintsRegular) {
t.Fatal("expected add of positively yielding input to succeed")
}
if set.enoughInput() {
@ -138,13 +132,9 @@ func (r *reqInput) RequiredTxOut() *wire.TxOut {
func TestTxInputSetRequiredOutput(t *testing.T) {
const (
feeRate = 1000
relayFee = 300
maxInputs = 10
)
set := newTxInputSet(nil, feeRate, relayFee, maxInputs)
if set.dustLimit != 537 {
t.Fatalf("incorrect dust limit")
}
set := newTxInputSet(nil, feeRate, maxInputs)
// Attempt to add an input with a required txout below the dust limit.
// This should fail since we cannot trim such outputs.
@ -152,7 +142,7 @@ func TestTxInputSetRequiredOutput(t *testing.T) {
Input: createP2WKHInput(500),
txOut: &wire.TxOut{
Value: 500,
PkScript: make([]byte, 33),
PkScript: make([]byte, input.P2PKHSize),
},
}
require.False(t, set.add(inp, constraintsRegular),
@ -164,7 +154,7 @@ func TestTxInputSetRequiredOutput(t *testing.T) {
Input: createP2WKHInput(1000),
txOut: &wire.TxOut{
Value: 1000,
PkScript: make([]byte, 22),
PkScript: make([]byte, input.P2WPKHSize),
},
}
require.True(t, set.add(inp, constraintsRegular), "failed adding input")