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routing: only update the filter if we have a non-zero chain view

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In this commit we ensure that we only update the filter, if we have a
non-zero chain view. Otherwise, a mini rescan may be kicked off
unnecessarily  if we don’t yet know of any channels yet in the greater
graph.
This commit is contained in:
Olaoluwa Osuntokun 2017-11-15 18:17:43 -08:00
parent 7408aa6c8d
commit 2b052cc889
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GPG key ID: 964EA263DD637C21
1 changed files with 5 additions and 3 deletions
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8
routing/router.go
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@ -295,9 +295,11 @@ func (r *ChannelRouter) Start() error {
}
log.Infof("Filtering chain using %v channels active", len(channelView))
err = r.cfg.ChainView.UpdateFilter(channelView, pruneHeight)
if err != nil {
return err
if len(channelView) != 0 {
err = r.cfg.ChainView.UpdateFilter(channelView, pruneHeight)
if err != nil {
return err
}
}
// Before we begin normal operation of the router, we first need to