From 4b29a4689015e1124ddd21fd1c9a94d5d3fb36dc Mon Sep 17 00:00:00 2001
From: ThomasV <thomasv@electrum.org>
Date: Sun, 9 Jul 2023 10:06:46 +0200
Subject: [PATCH] lnpeer: fix logging of 'will fullfill htlc'

---
 electrum/lnpeer.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/electrum/lnpeer.py b/electrum/lnpeer.py
index a49b627b2..c0532800c 100644
--- a/electrum/lnpeer.py
+++ b/electrum/lnpeer.py
@@ -1833,7 +1833,8 @@ class Peer(Logger):
         if not (invoice_msat is None or invoice_msat <= total_msat <= 2 * invoice_msat):
             log_fail_reason(f"total_msat={total_msat} too different from invoice_msat={invoice_msat}")
             raise exc_incorrect_or_unknown_pd
-        self.logger.info(f"maybe_fulfill_htlc. will FULFILL HTLC: chan {chan.short_channel_id}. htlc={str(htlc)}")
+        if preimage:
+            self.logger.info(f"maybe_fulfill_htlc. will FULFILL HTLC: chan {chan.short_channel_id}. htlc={str(htlc)}")
         self.lnworker.set_request_status(htlc.payment_hash, PR_PAID)
         return preimage, None