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htlcswitch: make link forward eligibility flush aware

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This commit is contained in:
Keagan McClelland 2023-11-26 12:43:21 -08:00
parent 6955dc9f12
commit 70292253d1
1 changed files with 13 additions and 4 deletions
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17
htlcswitch/link.go
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@ -538,10 +538,19 @@ func (l *channelLink) WaitForShutdown() {
// EligibleToForward returns a bool indicating if the channel is able to
// actively accept requests to forward HTLC's. We're able to forward HTLC's if
// we know the remote party's next revocation point. Otherwise, we can't
// initiate new channel state. We also require that the short channel ID not be
// the all-zero source ID, meaning that the channel has had its ID finalized.
// we are eligible to update AND the channel isn't currently flushing the
// outgoing half of the channel.
func (l *channelLink) EligibleToForward() bool {
return l.EligibleToUpdate() &&
!l.IsFlushing(Outgoing)
}
// EligibleToUpdate returns a bool indicating if the channel is able to update
// channel state. We're able to update channel state if we know the remote
// party's next revocation point. Otherwise, we can't initiate new channel
// state. We also require that the short channel ID not be the all-zero source
// ID, meaning that the channel has had its ID finalized.
func (l *channelLink) EligibleToUpdate() bool {
return l.channel.RemoteNextRevocation() != nil &&
l.ShortChanID() != hop.Source &&
l.isReestablished()
@ -2831,7 +2840,7 @@ func (l *channelLink) updateChannelFee(feePerKw chainfee.SatPerKWeight) error {
// We skip sending the UpdateFee message if the channel is not
// currently eligible to forward messages.
if !l.EligibleToForward() {
if !l.EligibleToUpdate() {
l.log.Debugf("skipping fee update for inactive channel")
return nil
}