From fbafc77f01b7eda815df65d40f55af8ede2c3ca1 Mon Sep 17 00:00:00 2001
From: SomberNight <somber.night@protonmail.com>
Date: Tue, 14 May 2019 21:24:38 +0200
Subject: [PATCH] lnpeer query_short_channel_ids: BOLT-07 says ids must be
 sorted

this is why most remote peers were disconnecting upon receiving this msg
---
 electrum/lnpeer.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/electrum/lnpeer.py b/electrum/lnpeer.py
index f192f8fcd..2b5df390a 100644
--- a/electrum/lnpeer.py
+++ b/electrum/lnpeer.py
@@ -306,6 +306,7 @@ class Peer(Logger):
         self.reply_channel_range.put_nowait((first, num, complete, ids))
 
     def query_short_channel_ids(self, ids, compressed=True):
+        ids = sorted(ids)
         s = b''.join(ids)
         encoded = zlib.compress(s) if compressed else s
         prefix = b'\x01' if compressed else b'\x00'