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graph/db: define a NodeTraverser interface

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Which describes methods that will use the graph cache if it is available
for fast read-only calls.
This commit is contained in:
Elle Mouton
2025-02-13 08:50:19 +02:00
parent 8ec08fbfa4
commit 99c9440520
2 changed files with 18 additions and 0 deletions
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4
graph/db/graph.go
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@@ -602,6 +602,8 @@ func (c *ChannelGraph) FetchNodeFeaturesTx(tx kvdb.RTx,
// of the database.
//
// Unknown policies are passed into the callback as nil values.
//
// NOTE: this is part of the graphdb.NodeTraverser interface.
func (c *ChannelGraph) ForEachNodeDirectedChannel(nodePub route.Vertex,
cb func(channel *DirectedChannel) error) error {
@@ -612,6 +614,8 @@ func (c *ChannelGraph) ForEachNodeDirectedChannel(nodePub route.Vertex,
// known for the node, an empty feature vector is returned.
// If the graphCache is available, then it will be used to retrieve the node's
// features instead of the database.
//
// NOTE: this is part of the graphdb.NodeTraverser interface.
func (c *ChannelGraph) FetchNodeFeatures(nodePub route.Vertex) (
*lnwire.FeatureVector, error) {