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routing: only warn for zero cltv delta edges

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This condition may be caused by a bug somewhere else in the system.
Expose it here as a warn log line.
This commit is contained in:
Joost Jager 2019-02-13 11:21:10 +01:00
parent 158a32c4e1
commit c5961d4904
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GPG Key ID: A61B9D4C393C59C7
1 changed files with 4 additions and 7 deletions
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11
routing/pathfind.go
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@ -606,14 +606,11 @@ func findPath(g *graphParams, r *RestrictParams, source, target Vertex,
return return
} }
// If the edge has no time lock delta, the payment will always // Every edge should have a positive time lock delta. If we
// fail, so return. // encounter a zero delta, log a warning line.
//
// TODO(joostjager): Is this really true? Can't it be that
// nodes take this risk in exchange for a extraordinary high
// fee?
if edge.TimeLockDelta == 0 { if edge.TimeLockDelta == 0 {
return log.Warnf("Channel %v has zero cltv delta",
edge.ChannelID)
} }
// All conditions are met and this new tentative distance is // All conditions are met and this new tentative distance is