From 5d8d99b7bcd553d19791f5bcb009a4a271edef50 Mon Sep 17 00:00:00 2001
From: "Johan T. Halseth" <johanth@gmail.com>
Date: Tue, 4 Dec 2018 11:20:38 +0100
Subject: [PATCH] channeldb/graph: don't create bucket in UpdateChannelEdge

It would return ErrEdgeNotFound when edge not found in bucket anyway.
---
 channeldb/graph.go | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/channeldb/graph.go b/channeldb/graph.go
index 7cf7f898..6a7d496a 100644
--- a/channeldb/graph.go
+++ b/channeldb/graph.go
@@ -652,13 +652,14 @@ func (c *ChannelGraph) UpdateChannelEdge(edge *ChannelEdgeInfo) error {
 	binary.BigEndian.PutUint64(chanKey[:], edge.ChannelID)
 
 	return c.db.Update(func(tx *bbolt.Tx) error {
-		edges, err := tx.CreateBucketIfNotExists(edgeBucket)
-		if err != nil {
-			return err
+		edges := tx.Bucket(edgeBucket)
+		if edge == nil {
+			return ErrEdgeNotFound
 		}
-		edgeIndex, err := edges.CreateBucketIfNotExists(edgeIndexBucket)
-		if err != nil {
-			return err
+
+		edgeIndex := edges.Bucket(edgeIndexBucket)
+		if edgeIndex == nil {
+			return ErrEdgeNotFound
 		}
 
 		if edgeInfo := edgeIndex.Get(chanKey[:]); edgeInfo == nil {