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lnwallet/channel: make NewUnilateralCloseSummary take commitPoint

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This commit is contained in:
Johan T. Halseth 2018-07-12 11:02:52 +02:00
parent f8751350bc
commit 06ceba429f
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GPG Key ID: 15BAADA29DA20D26
1 changed files with 5 additions and 13 deletions
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18
lnwallet/channel.go
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@ -4850,24 +4850,16 @@ type UnilateralCloseSummary struct {
// NewUnilateralCloseSummary creates a new summary that provides the caller
// with all the information required to claim all funds on chain in the event
// that the remote party broadcasts their commitment. If the
// remotePendingCommit value is set to true, then we'll use the next (second)
// unrevoked commitment point to construct the summary. Otherwise, we assume
// that the remote party broadcast the lower of their two possible commits.
// that the remote party broadcasts their commitment. The commitPoint argument
// should be set to the per_commitment_point corresponding to the spending
// commitment.
func NewUnilateralCloseSummary(chanState *channeldb.OpenChannel, signer Signer,
pCache PreimageCache, commitSpend *chainntnfs.SpendDetail,
remoteCommit channeldb.ChannelCommitment,
remotePendingCommit bool) (*UnilateralCloseSummary, error) {
commitPoint *btcec.PublicKey) (*UnilateralCloseSummary, error) {
// First, we'll generate the commitment point and the revocation point
// so we can re-construct the HTLC state and also our payment key. If
// this is the pending remote commitment, then we'll use the second
// unrevoked commit point in order to properly reconstruct the scripts
// we need to locate.
commitPoint := chanState.RemoteCurrentRevocation
if remotePendingCommit {
commitPoint = chanState.RemoteNextRevocation
}
// so we can re-construct the HTLC state and also our payment key.
keyRing := deriveCommitmentKeys(
commitPoint, false, &chanState.LocalChanCfg,
&chanState.RemoteChanCfg,