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sweep: fill sign method when script spending a taproot htlc #506

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Merged
merged 1 commit into from
Jun 10, 2022
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sweep: fill sign method when script spending a taproot htlc #506

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7 changes: 7 additions & 0 deletions sweep/sweeper.go
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Original file line number Diff line number Diff line change
Expand Up @@ -71,6 +71,13 @@ func (s *Sweeper) CreateSweepTx(
},
}

// Update the sign method from the default witness_v0 if this is a
// taproot htlc. Note that we'll always be doing script spend when
// sweeping a taproot htlc using the CreateSweepTx function.
if htlc.Version == swap.HtlcV3 {
signDesc.SignMethod = input.TaprootScriptSpendSignMethod
}

// We need our previous outputs for taproot spends, and there's no
// harm including them for segwit v0, so we always include our prevOut.
prevOut := []*wire.TxOut{
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