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server: if remote peer knows of gossip queries, skip initial table dump

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Olaoluwa Osuntokun 2018-04-16 19:12:18 -07:00
parent f70f1f318d
commit 199bbe2fd4
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1 changed files with 22 additions and 2 deletions
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24
server.go
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@ -1787,10 +1787,30 @@ func (s *server) addPeer(p *peer) {
s.wg.Add(1)
go s.peerTerminationWatcher(p)
switch {
// If the remote peer knows of the new gossip queries feature, then
// we'll create a new gossipSyncer in the AuthenticatedGossiper for it.
case p.remoteLocalFeatures.HasFeature(lnwire.GossipQueriesOptional):
srvrLog.Infof("Negotiated chan series queries with %x",
p.pubKeyBytes[:])
// We'll only request channel updates from the remote peer if
// its enabled in the config, or we're already getting updates
// from enough peers.
//
// TODO(roasbeef): craft s.t. we only get updates from a few
// peers
recvUpdates := !cfg.NoChanUpdates
go s.authGossiper.InitSyncState(p.addr.IdentityKey, recvUpdates)
// If the remote peer has the initial sync feature bit set, then we'll
// being the synchronization protocol to exchange authenticated channel
// graph edges/vertexes
if p.remoteLocalFeatures.HasFeature(lnwire.InitialRoutingSync) {
// graph edges/vertexes, but only if they don't know of the new gossip
// queries.
case p.remoteLocalFeatures.HasFeature(lnwire.InitialRoutingSync):
srvrLog.Infof("Requesting full table sync with %x",
p.pubKeyBytes[:])
go s.authGossiper.SynchronizeNode(p.addr.IdentityKey)
}