From 7a245665102ebc9de6b2f52847ea6541c57801db Mon Sep 17 00:00:00 2001
From: ThomasV <thomasv@electrum.org>
Date: Wed, 27 Feb 2019 10:10:39 +0100
Subject: [PATCH] lnchannel: save timestamp when we settle

---
 electrum/lnchannel.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/electrum/lnchannel.py b/electrum/lnchannel.py
index e995c8d0e..bdfce11cf 100644
--- a/electrum/lnchannel.py
+++ b/electrum/lnchannel.py
@@ -615,7 +615,12 @@ class Channel(PrintError):
         assert htlc.payment_hash == sha256(preimage)
         assert htlc_id not in log['settles']
         self.hm.send_settle(htlc_id)
-        # not saving preimage because it's already saved in LNWorker.invoices
+        # save timestamp in LNWorker.preimages
+        try:
+            self.save_preimage(htlc.payment_hash, preimage, timestamp=int(time.time()))
+        except:
+            import traceback
+            traceback.print_exc()
 
     def receive_htlc_settle(self, preimage, htlc_id):
         self.print_error("receive_htlc_settle")