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server+sweep: convert GenSweepScript to use new addr type

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We convert it to use lnwallet.AddrWithKey, as in the future, knowing the
internal key for an address will be useful.
This commit is contained in:
Olaoluwa Osuntokun 2024-06-03 23:05:19 -07:00
parent e7a29acf06
commit 1b18a607c4
1 changed files with 16 additions and 9 deletions
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25
sweep/sweeper.go
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@ -297,7 +297,7 @@ type UtxoSweeper struct {
// to sweep.
inputs InputsMap
currentOutputScript []byte
currentOutputScript fn.Option[lnwallet.AddrWithKey]
relayFeeRate chainfee.SatPerKWeight
@ -795,12 +795,19 @@ func (s *UtxoSweeper) signalResult(pi *SweeperInput, result Result) {
// the tx. The output address is only marked as used if the publish succeeds.
func (s *UtxoSweeper) sweep(set InputSet) error {
// Generate an output script if there isn't an unused script available.
if s.currentOutputScript == nil {
pkScript, err := s.cfg.GenSweepScript().Unpack()
if s.currentOutputScript.IsNone() {
addr, err := s.cfg.GenSweepScript().Unpack()
if err != nil {
return fmt.Errorf("gen sweep script: %w", err)
}
s.currentOutputScript = pkScript.DeliveryAddress
s.currentOutputScript = fn.Some(addr)
}
sweepAddr, err := s.currentOutputScript.UnwrapOrErr(
fmt.Errorf("none sweep script"),
)
if err != nil {
return err
}
// Create a fee bump request and ask the publisher to broadcast it. The
@ -810,7 +817,7 @@ func (s *UtxoSweeper) sweep(set InputSet) error {
Inputs: set.Inputs(),
Budget: set.Budget(),
DeadlineHeight: set.DeadlineHeight(),
DeliveryAddress: s.currentOutputScript,
DeliveryAddress: sweepAddr.DeliveryAddress,
MaxFeeRate: s.cfg.MaxFeeRate.FeePerKWeight(),
StartingFeeRate: set.StartingFeeRate(),
// TODO(yy): pass the strategy here.
@ -1704,10 +1711,10 @@ func (s *UtxoSweeper) handleBumpEventTxPublished(r *BumpResult) error {
log.Debugf("Published sweep tx %v, num_inputs=%v, height=%v",
tx.TxHash(), len(tx.TxIn), s.currentHeight)
// If there's no error, remove the output script. Otherwise
// keep it so that it can be reused for the next transaction
// and causes no address inflation.
s.currentOutputScript = nil
// If there's no error, remove the output script. Otherwise keep it so
// that it can be reused for the next transaction and causes no address
// inflation.
s.currentOutputScript = fn.None[lnwallet.AddrWithKey]()
return nil
}