From b64109ea8868345a1ebbdf851daddc1f211220fb Mon Sep 17 00:00:00 2001
From: ThomasV <thomasv@electrum.org>
Date: Thu, 13 Mar 2025 12:45:56 +0100
Subject: [PATCH] swaps: set locktime to None instead of zero, so that anti
 fee-sniping works

---
 electrum/submarine_swaps.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/electrum/submarine_swaps.py b/electrum/submarine_swaps.py
index cf00bcd7d..f12cdbc62 100644
--- a/electrum/submarine_swaps.py
+++ b/electrum/submarine_swaps.py
@@ -1064,7 +1064,7 @@ class SwapManager(Logger):
             swap: SwapData,
     ) -> PartialTransaction:
         if swap.is_reverse:  # successful reverse swap
-            locktime = 0
+            locktime = None
             # preimage will be set in sign_tx
         else:  # timing out forward swap
             locktime = swap.locktime