From 2ebd76bbbb2d578026308a755ae65ccc9adf8e0e Mon Sep 17 00:00:00 2001
From: Conner Fromknecht <conner@lightning.engineering>
Date: Wed, 28 Aug 2019 13:30:06 -0700
Subject: [PATCH] rpcserver: marshal db edges by increasing pubkey

---
 rpcserver.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/rpcserver.go b/rpcserver.go
index 5cb959c5..a5e2ad16 100644
--- a/rpcserver.go
+++ b/rpcserver.go
@@ -3770,6 +3770,13 @@ func (r *rpcServer) DescribeGraph(ctx context.Context,
 func marshalDbEdge(edgeInfo *channeldb.ChannelEdgeInfo,
 	c1, c2 *channeldb.ChannelEdgePolicy) *lnrpc.ChannelEdge {
 
+	// Order the edges by increasing pubkey.
+	if bytes.Compare(edgeInfo.NodeKey2Bytes[:],
+		edgeInfo.NodeKey1Bytes[:]) < 0 {
+
+		c2, c1 = c1, c2
+	}
+
 	var (
 		lastUpdate int64
 	)