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routing/router: prune zombies when either end is stale

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This commit is contained in:
Conner Fromknecht
2019-12-19 18:10:02 -08:00
committed by Olaoluwa Osuntokun
parent 672dbe39e7
commit e3a8b3b0c4
1 changed files with 12 additions and 19 deletions
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31
routing/router.go
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@ -824,30 +824,23 @@ func (r *ChannelRouter) pruneZombieChans() error {
return nil return nil
} }
// If *both* edges haven't been updated for a period of // If either edge hasn't been updated for a period of
// chanExpiry, then we'll mark the channel itself as eligible // chanExpiry, then we'll mark the channel itself as eligible
// for graph pruning. // for graph pruning.
var e1Zombie, e2Zombie bool e1Zombie := e1 == nil || time.Since(e1.LastUpdate) >= chanExpiry
if e1 != nil { e2Zombie := e2 == nil || time.Since(e2.LastUpdate) >= chanExpiry
e1Zombie = time.Since(e1.LastUpdate) >= chanExpiry
if e1Zombie { if e1Zombie {
log.Tracef("Edge #1 of ChannelID(%v) last "+ log.Tracef("Node1 pubkey=%x of chan_id=%v is zombie",
"update: %v", info.ChannelID, info.NodeKey1Bytes, info.ChannelID)
e1.LastUpdate)
}
} }
if e2 != nil { if e2Zombie {
e2Zombie = time.Since(e2.LastUpdate) >= chanExpiry log.Tracef("Node2 pubkey=%x of chan_id=%v is zombie",
if e2Zombie { info.NodeKey2Bytes, info.ChannelID)
log.Tracef("Edge #2 of ChannelID(%v) last "+
"update: %v", info.ChannelID,
e2.LastUpdate)
}
} }
// If the channel is not considered zombie, we can move on to // Return early if both sides have a recent update.
// the next. if !e1Zombie && !e2Zombie {
if !e1Zombie || !e2Zombie {
return nil return nil
} }