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fundingmanager: Added additional check so that pending channels don't 

timeout for the channel initiator
This commit is contained in:
John Griffith 2018-02-23 00:13:05 +00:00 committed by Olaoluwa Osuntokun
parent 7f04d927a0
commit 63ee31b83f
1 changed files with 20 additions and 8 deletions
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28
fundingmanager.go
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@ -430,19 +430,23 @@ func (f *fundingManager) Start() error {
select {
case <-timeoutChan:
// Timeout waiting for the funding transaction
// to confirm, so we forget the channel and
// delete it from the database.
// Timeout channel will be triggered if the number of blocks
// mined since the channel was initiated reaches
// maxWaitNumBlocksFundingConf and we are not the channel
// initiator.
closeInfo := &channeldb.ChannelCloseSummary{
ChainHash: ch.ChainHash,
ChanPoint: ch.FundingOutpoint,
RemotePub: ch.IdentityPub,
CloseType: channeldb.FundingCanceled,
}
if err := ch.CloseChannel(closeInfo); err != nil {
fndgLog.Errorf("Failed closing channel "+
"%v: %v", ch.FundingOutpoint, err)
}
case <-f.quit:
// The fundingManager is shutting down, and will
// resume wait on startup.
@ -1484,10 +1488,11 @@ func (f *fundingManager) handleFundingSigned(fmsg *fundingSignedMsg) {
}
// waitForFundingWithTimeout is a wrapper around waitForFundingConfirmation that
// will cancel the wait for confirmation if maxWaitNumBlocksFundingConf has
// passed from bestHeight. In the case of timeout, the timeoutChan will be
// closed. In case of error, confChan will be closed. In case of success,
// a *lnwire.ShortChannelID will be passed to confChan.
// will cancel the wait for confirmation if we are not the channel initiator and
// the maxWaitNumBlocksFundingConf has passed from bestHeight.
// In the case of timeout, the timeoutChan will be closed. In case of error,
// confChan will be closed. In case of success, a *lnwire.ShortChannelID will be
// passed to confChan.
func (f *fundingManager) waitForFundingWithTimeout(completeChan *channeldb.OpenChannel,
confChan chan<- *lnwire.ShortChannelID, timeoutChan chan<- struct{}) {
@ -1523,7 +1528,9 @@ func (f *fundingManager) waitForFundingWithTimeout(completeChan *channeldb.OpenC
return
}
if uint32(epoch.Height) >= maxHeight {
// If we are not the channel initiator it's safe
// to timeout the channel
if uint32(epoch.Height) >= maxHeight && !completeChan.IsInitiator {
fndgLog.Warnf("waited for %v blocks without "+
"seeing funding transaction confirmed,"+
" cancelling.", maxWaitNumBlocksFundingConf)
@ -1536,6 +1543,11 @@ func (f *fundingManager) waitForFundingWithTimeout(completeChan *channeldb.OpenC
close(timeoutChan)
return
}
// TODO: If we are the channel initiator implement
// a method for recovering the funds from the funding
// transaction
case <-f.quit:
// The fundingManager is shutting down, will resume
// waiting for the funding transaction on startup.