highperfocused/lnd
1
0
Fork 0
mirror of https://github.com/lightningnetwork/lnd.git synced 2025-10-10 04:33:10 +02:00
Code Issues Packages Projects Releases Wiki Activity

discovery+routing: add more logs to reveal channel update flow

Browse Source
This commit is contained in:
yyforyongyu
2022-11-20 07:59:16 +08:00
parent a0385a535b
commit 26d1a41926
2 changed files with 76 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
routing/router.go
View File

@@ -1099,6 +1099,8 @@ func (r *ChannelRouter) networkHandler() {
update.msg, allowDependents,
)
if err != nil {
log.Debugf("process network updates "+
"got: %v", err)
return
}
@@ -1439,6 +1441,9 @@ func (r *ChannelRouter) processUpdate(msg interface{},
r.stats.incNumNodeUpdates()
case *channeldb.ChannelEdgeInfo:
log.Debugf("Received ChannelEdgeInfo for channel %v",
msg.ChannelID)
// Prior to processing the announcement we first check if we
// already know of this channel, if so, then we can exit early.
_, _, exists, isZombie, err := r.cfg.Graph.HasChannelEdge(
@@ -1584,7 +1589,7 @@ func (r *ChannelRouter) processUpdate(msg interface{},
return errors.Errorf("unable to add edge: %v", err)
}
log.Tracef("New channel discovered! Link "+
log.Debugf("New channel discovered! Link "+
"connects %x and %x with ChannelPoint(%v): "+
"chan_id=%v, capacity=%v",
msg.NodeKey1Bytes, msg.NodeKey2Bytes,
@@ -1610,6 +1615,9 @@ func (r *ChannelRouter) processUpdate(msg interface{},
}
case *channeldb.ChannelEdgePolicy:
log.Debugf("Received ChannelEdgePolicy for channel %v",
msg.ChannelID)
// We make sure to hold the mutex for this channel ID,
// such that no other goroutine is concurrently doing
// database accesses for the same channel ID.
@@ -1685,7 +1693,7 @@ func (r *ChannelRouter) processUpdate(msg interface{},
return err
}
log.Tracef("New channel update applied: %v",
log.Debugf("New channel update applied: %v",
newLogClosure(func() string { return spew.Sdump(msg) }))
r.stats.incNumChannelUpdates()
@@ -2608,10 +2616,18 @@ func (r *ChannelRouter) AddProof(chanID lnwire.ShortChannelID,
// target node with a more recent timestamp.
//
// NOTE: This method is part of the ChannelGraphSource interface.
func (r *ChannelRouter) IsStaleNode(node route.Vertex, timestamp time.Time) bool {
func (r *ChannelRouter) IsStaleNode(node route.Vertex,
timestamp time.Time) bool {
// If our attempt to assert that the node announcement is fresh fails,
// then we know that this is actually a stale announcement.
return r.assertNodeAnnFreshness(node, timestamp) != nil
err := r.assertNodeAnnFreshness(node, timestamp)
if err != nil {
log.Debugf("Checking stale node %x got %v", node, err)
return true
}
return false
}
// IsPublicNode determines whether the given vertex is seen as a public node in
@@ -2641,6 +2657,7 @@ func (r *ChannelRouter) IsStaleEdgePolicy(chanID lnwire.ShortChannelID,
edge1Timestamp, edge2Timestamp, exists, isZombie, err :=
r.cfg.Graph.HasChannelEdge(chanID.ToUint64())
if err != nil {
log.Debugf("Check stale edge policy got error: %v", err)
return false
}
@@ -2788,6 +2805,7 @@ func (r *ChannelRouter) BuildRoute(amt *lnwire.MilliSatoshi,
// Exit if there are no channels.
unifiedPolicy, ok := u.policies[fromNode]
if !ok {
log.Errorf("Cannot find policy for node %v", fromNode)
return nil, ErrNoChannel{
fromNode: fromNode,
position: i,
@@ -2806,6 +2824,8 @@ func (r *ChannelRouter) BuildRoute(amt *lnwire.MilliSatoshi,
// to forward.
policy := unifiedPolicy.getPolicy(runningAmt, bandwidthHints)
if policy == nil {
log.Errorf("Cannot find policy with amt=%v for node %v",
runningAmt, fromNode)
return nil, ErrNoChannel{
fromNode: fromNode,
position: i,