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Merge pull request #2062 from cfromknecht/sweeper-filter-unknown-witness-types

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sweep/sweeper: ignore unknown witness types
This commit is contained in:
Olaoluwa Osuntokun 2018-10-18 16:50:29 -07:00 committed by GitHub
commit 90fe860a3c
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 10 additions and 5 deletions
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15
sweep/sweeper.go
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@ -65,14 +65,13 @@ func (s *UtxoSweeper) CreateSweepTx(inputs []Input,
return nil, err
}
txWeight, csvCount, cltvCount := s.getWeightEstimate(inputs)
// Using the txn weight estimate, compute the required txn fee.
feePerKw, err := s.cfg.Estimator.EstimateFeePerKW(s.cfg.ConfTarget)
if err != nil {
return nil, err
}
inputs, txWeight, csvCount, cltvCount := s.getWeightEstimate(inputs)
log.Infof("Creating sweep transaction for %v inputs (%v CSV, %v CLTV) "+
"using %v sat/kw", len(inputs), csvCount, cltvCount,
int64(feePerKw))
@ -149,7 +148,7 @@ func (s *UtxoSweeper) CreateSweepTx(inputs []Input,
// getWeightEstimate returns a weight estimate for the given inputs.
// Additionally, it returns counts for the number of csv and cltv inputs.
func (s *UtxoSweeper) getWeightEstimate(inputs []Input) (int64, int, int) {
func (s *UtxoSweeper) getWeightEstimate(inputs []Input) ([]Input, int64, int, int) {
// Create a transaction which sweeps all the newly mature outputs into
// an output controlled by the wallet.
@ -169,6 +168,7 @@ func (s *UtxoSweeper) getWeightEstimate(inputs []Input) (int64, int, int) {
csvCount := 0
cltvCount := 0
var sweepInputs []Input
for i := range inputs {
input := inputs[i]
@ -178,6 +178,7 @@ func (s *UtxoSweeper) getWeightEstimate(inputs []Input) (int64, int, int) {
// to us.
case lnwallet.CommitmentNoDelay:
weightEstimate.AddP2WKHInput()
sweepInputs = append(sweepInputs, input)
// Outputs on a past commitment transaction that pay directly
// to us.
@ -185,6 +186,7 @@ func (s *UtxoSweeper) getWeightEstimate(inputs []Input) (int64, int, int) {
weightEstimate.AddWitnessInput(
lnwallet.ToLocalTimeoutWitnessSize,
)
sweepInputs = append(sweepInputs, input)
csvCount++
// Outgoing second layer HTLC's that have confirmed within the
@ -194,6 +196,7 @@ func (s *UtxoSweeper) getWeightEstimate(inputs []Input) (int64, int, int) {
weightEstimate.AddWitnessInput(
lnwallet.ToLocalTimeoutWitnessSize,
)
sweepInputs = append(sweepInputs, input)
csvCount++
// Incoming second layer HTLC's that have confirmed within the
@ -203,6 +206,7 @@ func (s *UtxoSweeper) getWeightEstimate(inputs []Input) (int64, int, int) {
weightEstimate.AddWitnessInput(
lnwallet.ToLocalTimeoutWitnessSize,
)
sweepInputs = append(sweepInputs, input)
csvCount++
// An HTLC on the commitment transaction of the remote party,
@ -211,6 +215,7 @@ func (s *UtxoSweeper) getWeightEstimate(inputs []Input) (int64, int, int) {
weightEstimate.AddWitnessInput(
lnwallet.AcceptedHtlcTimeoutWitnessSize,
)
sweepInputs = append(sweepInputs, input)
cltvCount++
// An HTLC on the commitment transaction of the remote party,
@ -219,16 +224,16 @@ func (s *UtxoSweeper) getWeightEstimate(inputs []Input) (int64, int, int) {
weightEstimate.AddWitnessInput(
lnwallet.OfferedHtlcSuccessWitnessSize,
)
sweepInputs = append(sweepInputs, input)
default:
log.Warnf("kindergarten output in nursery store "+
"contains unexpected witness type: %v",
input.WitnessType())
continue
}
}
txWeight := int64(weightEstimate.Weight())
return txWeight, csvCount, cltvCount
return sweepInputs, txWeight, csvCount, cltvCount
}