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lnwallet: export senderHtlcSpendRedeem and make rename HtlcSpendSuccess to HtlcSecondLevelSpend

This commit is contained in:
Olaoluwa Osuntokun 2018-01-16 17:57:03 -08:00
parent 0becaddcd5
commit 3fa0cde631
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GPG Key ID: 964EA263DD637C21
1 changed files with 9 additions and 6 deletions
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15
lnwallet/script_utils.go
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@ -320,12 +320,12 @@ func SenderHtlcSpendRevoke(signer Signer, signDesc *SignDescriptor,
return senderHtlcSpendRevoke(signer, signDesc, revokeKey, sweepTx) return senderHtlcSpendRevoke(signer, signDesc, revokeKey, sweepTx)
} }
// senderHtlcSpendRedeem constructs a valid witness allowing the receiver of an // SenderHtlcSpendRedeem constructs a valid witness allowing the receiver of an
// HTLC to redeem the pending output in the scenario that the sender broadcasts // HTLC to redeem the pending output in the scenario that the sender broadcasts
// their version of the commitment transaction. A valid spend requires // their version of the commitment transaction. A valid spend requires
// knowledge of the payment preimage, and a valid signature under the receivers // knowledge of the payment preimage, and a valid signature under the receivers
// public key. // public key.
func senderHtlcSpendRedeem(signer Signer, signDesc *SignDescriptor, func SenderHtlcSpendRedeem(signer Signer, signDesc *SignDescriptor,
sweepTx *wire.MsgTx, paymentPreimage []byte) (wire.TxWitness, error) { sweepTx *wire.MsgTx, paymentPreimage []byte) (wire.TxWitness, error) {
sweepSig, err := signer.SignOutputRaw(sweepTx, signDesc) sweepSig, err := signer.SignOutputRaw(sweepTx, signDesc)
@ -810,12 +810,15 @@ func htlcSpendSuccess(signer Signer, signDesc *SignDescriptor,
return witnessStack, nil return witnessStack, nil
} }
// HtlcSpendSuccess exposes the public witness generation function for spending // HtlcSecondLevelSpend exposes the public witness generation function for
// an HTLC success transaction, either due to an expiring time lock or having // spending an HTLC success transaction, either due to an expiring time lock or
// had the payment preimage. // having had the payment preimage. This method is able to spend any
// second-level HTLC transaction, assuming the caller sets the locktime or
// seqno properly.
//
// NOTE: The caller MUST set the txn version, sequence number, and sign // NOTE: The caller MUST set the txn version, sequence number, and sign
// descriptor's sig hash cache before invocation. // descriptor's sig hash cache before invocation.
func HtlcSpendSuccess(signer Signer, signDesc *SignDescriptor, func HtlcSecondLevelSpend(signer Signer, signDesc *SignDescriptor,
sweepTx *wire.MsgTx) (wire.TxWitness, error) { sweepTx *wire.MsgTx) (wire.TxWitness, error) {
// With the proper sequence an version set, we'll now sign the timeout // With the proper sequence an version set, we'll now sign the timeout