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lnwallet: add FetchLatestHTLCView to LightningChannel

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We add a public method for the lightning channel to expose the latest
HtlcView. This is used in a follow up commit by the channel link.
This commit is contained in:
George Tsagkarelis 2025-04-08 19:52:51 +02:00
parent a279058408
commit 53254c79b4
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1 changed files with 14 additions and 0 deletions
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14
lnwallet/channel.go
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@ -2704,6 +2704,20 @@ func (v *HtlcView) AuxTheirUpdates() []AuxHtlcDescriptor {
return fn.Map(v.Updates.Remote, newAuxHtlcDescriptor)
}
// FetchLatestAuxHTLCView returns the latest HTLC view of the lightning channel
// as a safe copy that can be used outside the wallet code in concurrent access.
func (lc *LightningChannel) FetchLatestAuxHTLCView() AuxHtlcView {
// This read lock is important, because we access both the local and
// remote log indexes as well as the underlying payment descriptors of
// the HTLCs when creating the view.
lc.RLock()
defer lc.RUnlock()
return newAuxHtlcView(lc.fetchHTLCView(
lc.updateLogs.Remote.logIndex, lc.updateLogs.Local.logIndex,
))
}
// fetchHTLCView returns all the candidate HTLC updates which should be
// considered for inclusion within a commitment based on the passed HTLC log
// indexes.