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lnwallet: add witness generation functions for p2wkh and np2wkh types

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This commit is contained in:
Olaoluwa Osuntokun 2018-11-17 20:51:58 -08:00
parent c18e166e03
commit 40f0dbb5e6
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GPG Key ID: CE58F7F8E20FD9A2
1 changed files with 14 additions and 0 deletions
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14
lnwallet/witnessgen.go
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@ -69,6 +69,16 @@ const (
// broadcast a revoked commitment, but then also immediately attempt to // broadcast a revoked commitment, but then also immediately attempt to
// go to the second level to claim the HTLC. // go to the second level to claim the HTLC.
HtlcSecondLevelRevoke WitnessType = 9 HtlcSecondLevelRevoke WitnessType = 9
// WitnessKeyHash is a witness type that allows us to spend a regular
// p2wkh output that's sent to an output which is under complete
// control of the backing wallet.
WitnessKeyHash WitnessType = 10
// NestedWitnessKeyHash is a witness type that allows us to sweep an
// output that sends to a nested P2SH script that pays to a key solely
// under our control. The witness generated needs to include the
NestedWitnessKeyHash WitnessType = 11
) )
// Stirng returns a human readable version of the target WitnessType. // Stirng returns a human readable version of the target WitnessType.
@ -225,6 +235,10 @@ func (wt WitnessType) GenWitnessFunc(signer Signer,
Witness: witness, Witness: witness,
}, nil }, nil
case WitnessKeyHash:
fallthrough
case NestedWitnessKeyHash:
return signer.ComputeInputScript(tx, desc)
default: default:
return nil, fmt.Errorf("unknown witness type: %v", wt) return nil, fmt.Errorf("unknown witness type: %v", wt)