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input+lnwallet: Add scripts for CSV delayed HTLC outputs

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We also increase the witness size for these types to account for the 3
extra bytes. The size won't be correct in all cases, but it is just an
upper bound in any case.
This commit is contained in:
Johan T. Halseth
2020-03-06 16:11:45 +01:00
parent b25f2fa94b
commit 8c0deb81c2
5 changed files with 48 additions and 17 deletions
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8
lnwallet/commitment.go
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@@ -510,28 +510,28 @@ func genHtlcScript(chanType channeldb.ChannelType, isIncoming, ourCommit bool,
case isIncoming && ourCommit:
witnessScript, err = input.ReceiverHTLCScript(timeout,
keyRing.RemoteHtlcKey, keyRing.LocalHtlcKey,
keyRing.RevocationKey, rHash[:])
keyRing.RevocationKey, rHash[:], false)
// We're being paid via an HTLC by the remote party, and the HTLC is
// being added to their commitment transaction, so we use the sender's
// version of the HTLC script.
case isIncoming && !ourCommit:
witnessScript, err = input.SenderHTLCScript(keyRing.RemoteHtlcKey,
keyRing.LocalHtlcKey, keyRing.RevocationKey, rHash[:])
keyRing.LocalHtlcKey, keyRing.RevocationKey, rHash[:], false)
// We're sending an HTLC which is being added to our commitment
// transaction. Therefore, we need to use the sender's version of the
// HTLC script.
case !isIncoming && ourCommit:
witnessScript, err = input.SenderHTLCScript(keyRing.LocalHtlcKey,
keyRing.RemoteHtlcKey, keyRing.RevocationKey, rHash[:])
keyRing.RemoteHtlcKey, keyRing.RevocationKey, rHash[:], false)
// Finally, we're paying the remote party via an HTLC, which is being
// added to their commitment transaction. Therefore, we use the
// receiver's version of the HTLC script.
case !isIncoming && !ourCommit:
witnessScript, err = input.ReceiverHTLCScript(timeout, keyRing.LocalHtlcKey,
keyRing.RemoteHtlcKey, keyRing.RevocationKey, rHash[:])
keyRing.RemoteHtlcKey, keyRing.RevocationKey, rHash[:], false)
}
if err != nil {
return nil, nil, err