graph/db: thread context through ForEachChannelCacheable

graph/db/graph.go

@@ -185,7 +185,7 @@ func (c *ChannelGraph) populateCache(ctx context.Context) error {
 		}
 
 		err = c.db.ForEachChannelCacheable(
-			v, func(info *models.CachedEdgeInfo,
+			ctx, v, func(info *models.CachedEdgeInfo,
 				policy1,
 				policy2 *models.CachedEdgePolicy) error {
 
@@ -950,11 +950,11 @@ func (c *VersionedGraph) ForEachNodeCacheable(ctx context.Context,
 }
 
 // ForEachChannelCacheable iterates through all channel edges for the cache.
-func (c *VersionedGraph) ForEachChannelCacheable(
+func (c *VersionedGraph) ForEachChannelCacheable(ctx context.Context,
 	cb func(*models.CachedEdgeInfo, *models.CachedEdgePolicy,
 		*models.CachedEdgePolicy) error, reset func()) error {
 
-	return c.db.ForEachChannelCacheable(c.v, cb, reset)
+	return c.db.ForEachChannelCacheable(ctx, c.v, cb, reset)
 }
 
 // DisabledChannelIDs returns the channel ids of disabled channels.

graph/db/interfaces.go

@@ -185,7 +185,7 @@ type Store interface { //nolint:interfacebloat
 	//
 	// NOTE: this method is like ForEachChannel but fetches only the data
 	// required for the graph cache.
-	ForEachChannelCacheable(v lnwire.GossipVersion,
+	ForEachChannelCacheable(ctx context.Context, v lnwire.GossipVersion,
 		cb func(*models.CachedEdgeInfo, *models.CachedEdgePolicy,
 			*models.CachedEdgePolicy) error, reset func()) error
 

graph/db/kv_store.go

@@ -496,9 +496,10 @@ func forEachChannel(db kvdb.Backend, cb func(*models.ChannelEdgeInfo,
 //
 // NOTE: this method is like ForEachChannel but fetches only the data required
 // for the graph cache.
-func (c *KVStore) ForEachChannelCacheable(v lnwire.GossipVersion,
-	cb func(*models.CachedEdgeInfo, *models.CachedEdgePolicy,
-		*models.CachedEdgePolicy) error, reset func()) error {
+func (c *KVStore) ForEachChannelCacheable(_ context.Context,
+	v lnwire.GossipVersion, cb func(*models.CachedEdgeInfo,
+		*models.CachedEdgePolicy, *models.CachedEdgePolicy) error,
+	reset func()) error {
 
 	if v != lnwire.GossipVersion1 {
 		return ErrVersionNotSupportedForKVDB

graph/db/sql_store.go

@@ -1564,12 +1564,11 @@ func (s *SQLStore) ForEachNodeCached(ctx context.Context, withAddrs bool,
 //
 // NOTE: this method is like ForEachChannel but fetches only the data
 // required for the graph cache.
-func (s *SQLStore) ForEachChannelCacheable(v lnwire.GossipVersion,
+func (s *SQLStore) ForEachChannelCacheable(ctx context.Context,
+	v lnwire.GossipVersion,
 	cb func(*models.CachedEdgeInfo, *models.CachedEdgePolicy,
 		*models.CachedEdgePolicy) error, reset func()) error {
 
-	ctx := context.TODO()
-
 	if !isKnownGossipVersion(v) {
 		return fmt.Errorf("unsupported gossip version: %d", v)
 	}