highperfocused/lnd
1
0
Fork 0
mirror of https://github.com/lightningnetwork/lnd.git synced 2025-08-28 06:32:18 +02:00
Code Issues Packages Projects Releases Wiki Activity

lnwallet: support transactions and scripts for new commitment type

Browse Source 
This commit modifies the channel state machine to be able to derive the
proper commitment and second-level HTLC output scripts required by the
new script-enforced leased channel commitment type.
This commit is contained in:
Wilmer Paulino
2021-07-14 17:16:13 -07:00
committed by Olaoluwa Osuntokun
parent 01e9bb2bff
commit 8cfb53f64a
11 changed files with 230 additions and 98 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
contractcourt/chain_watcher.go
View File

@@ -362,8 +362,13 @@ func (c *chainWatcher) handleUnknownLocalState(
// With the keys derived, we'll construct the remote script that'll be
// present if they have a non-dust balance on the commitment.
var leaseExpiry uint32
if c.cfg.chanState.ChanType.HasLeaseExpiration() {
leaseExpiry = c.cfg.chanState.ThawHeight
}
remoteScript, _, err := lnwallet.CommitScriptToRemote(
c.cfg.chanState.ChanType, commitKeyRing.ToRemoteKey,
c.cfg.chanState.ChanType, c.cfg.chanState.IsInitiator,
commitKeyRing.ToRemoteKey, leaseExpiry,
)
if err != nil {
return false, err
@@ -373,8 +378,9 @@ func (c *chainWatcher) handleUnknownLocalState(
// the remote party allowing them to claim this output before the CSV
// delay if we breach.
localScript, err := lnwallet.CommitScriptToSelf(
c.cfg.chanState.ChanType, c.cfg.chanState.IsInitiator,
commitKeyRing.ToLocalKey, commitKeyRing.RevocationKey,
uint32(c.cfg.chanState.LocalChanCfg.CsvDelay),
uint32(c.cfg.chanState.LocalChanCfg.CsvDelay), leaseExpiry,
)
if err != nil {
return false, err