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graph: export addZombieEdge and rename to MarkZombieEdge

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The `graph.Builder`'s `addZombieEdge` method is currently called during
funding transaction validation for the case where the funding tx is not
found. In preparation for moving this code to the gossiper, we export
the method and add it to the ChannelGraphSource interface so that the
gossiper will be able to call it later on.
This commit is contained in:
Elle Mouton
2025-02-05 10:51:53 +02:00
parent 4dbbd837c0
commit 870c865763
3 changed files with 14 additions and 5 deletions
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6
discovery/gossiper_test.go
View File

@ -107,6 +107,12 @@ func (r *mockGraphSource) AddNode(node *models.LightningNode,
return nil
}
func (r *mockGraphSource) MarkZombieEdge(scid uint64) error {
return r.MarkEdgeZombie(
lnwire.NewShortChanIDFromInt(scid), [33]byte{}, [33]byte{},
)
}
func (r *mockGraphSource) AddEdge(info *models.ChannelEdgeInfo,
_ ...batch.SchedulerOption) error {

10
graph/builder.go
View File

@ -1008,9 +1008,9 @@ func (b *Builder) assertNodeAnnFreshness(node route.Vertex,
return nil
}
// addZombieEdge adds a channel that failed complete validation into the zombie
// MarkZombieEdge adds a channel that failed complete validation into the zombie
// index so we can avoid having to re-validate it in the future.
func (b *Builder) addZombieEdge(chanID uint64) error {
func (b *Builder) MarkZombieEdge(chanID uint64) error {
// If the edge fails validation we'll mark the edge itself as a zombie
// so we don't continue to request it. We use the "zero key" for both
// node pubkeys so this edge can't be resurrected.
@ -1306,7 +1306,7 @@ func (b *Builder) addEdge(edge *models.ChannelEdgeInfo,
// we'll mark the edge itself as a zombie so we don't
// continue to request it. We use the "zero key" for
// both node pubkeys so this edge can't be resurrected.
zErr := b.addZombieEdge(edge.ChannelID)
zErr := b.MarkZombieEdge(edge.ChannelID)
if zErr != nil {
return zErr
}
@ -1343,7 +1343,7 @@ func (b *Builder) addEdge(edge *models.ChannelEdgeInfo,
if err != nil {
// Mark the edge as a zombie so we won't try to re-validate it
// on start up.
if err := b.addZombieEdge(edge.ChannelID); err != nil {
if err := b.MarkZombieEdge(edge.ChannelID); err != nil {
return err
}
@ -1358,7 +1358,7 @@ func (b *Builder) addEdge(edge *models.ChannelEdgeInfo,
)
if err != nil {
if errors.Is(err, btcwallet.ErrOutputSpent) {
zErr := b.addZombieEdge(edge.ChannelID)
zErr := b.MarkZombieEdge(edge.ChannelID)
if zErr != nil {
return zErr
}

3
graph/interfaces.go
View File

@ -85,6 +85,9 @@ type ChannelGraphSource interface {
// public key. channeldb.ErrGraphNodeNotFound is returned if the node
// doesn't exist within the graph.
FetchLightningNode(route.Vertex) (*models.LightningNode, error)
// MarkZombieEdge marks the channel with the given ID as a zombie edge.
MarkZombieEdge(chanID uint64) error
}
// DB is an interface describing a persisted Lightning Network graph.