From 48dcf0119903f58948f137a4f820e733069c34ec Mon Sep 17 00:00:00 2001
From: nymkappa <vialjoris@hotmail.com>
Date: Fri, 19 Aug 2022 16:43:37 +0200
Subject: [PATCH] If a channel is closed, stop updating it

---
 backend/src/tasks/lightning/network-sync.service.ts | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/backend/src/tasks/lightning/network-sync.service.ts b/backend/src/tasks/lightning/network-sync.service.ts
index f0122c5ca..8ce300901 100644
--- a/backend/src/tasks/lightning/network-sync.service.ts
+++ b/backend/src/tasks/lightning/network-sync.service.ts
@@ -95,11 +95,19 @@ class NetworkSyncService {
    */
   private async $updateChannelsList(channels: ILightningApi.Channel[]): Promise<void> {
     try {
+      const [closedChannelsRaw]: any[] = await DB.query(`SELECT id FROM channels WHERE status = 2`);
+      const closedChannels = {};
+      for (const closedChannel of closedChannelsRaw) {
+        closedChannels[Common.channelShortIdToIntegerId(closedChannel.id)] = true;
+      }
+
       let progress = 0;
 
       const graphChannelsIds: string[] = [];
       for (const channel of channels) {
-        await channelsApi.$saveChannel(channel);
+        if (!closedChannels[channel.channel_id]) {
+          await channelsApi.$saveChannel(channel);
+        }
         graphChannelsIds.push(channel.channel_id);
         ++progress;