graphdb: pass context to ChannelView

graph/db/kv_store.go

@@ -4180,7 +4180,7 @@ func (e *EdgePoint) String() string {
 // within the known channel graph. The set of UTXO's (along with their scripts)
 // returned are the ones that need to be watched on chain to detect channel
 // closes on the resident blockchain.
-func (c *KVStore) ChannelView() ([]EdgePoint, error) {
+func (c *KVStore) ChannelView(_ context.Context) ([]EdgePoint, error) {
 	var edgePoints []EdgePoint
 	if err := kvdb.View(c.db, func(tx kvdb.RTx) error {
 		// We're going to iterate over the entire channel index, so