From 5f7d8cc462aeda034a7957e8d27134a4b299bf6a Mon Sep 17 00:00:00 2001
From: ThomasV <thomasv@electrum.org>
Date: Thu, 3 Sep 2020 16:40:11 +0200
Subject: [PATCH] reverse swap: check that received amount is higher than dust
 threshold

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

diff --git a/electrum/submarine_swaps.py b/electrum/submarine_swaps.py
index f0198696d..bda0b6db0 100644
--- a/electrum/submarine_swaps.py
+++ b/electrum/submarine_swaps.py
@@ -18,7 +18,6 @@ from .lnutil import hex_to_bytes
 from .json_db import StoredObject
 from . import constants
 
-
 if TYPE_CHECKING:
     from .network import Network
     from .wallet import Abstract_Wallet
@@ -400,6 +399,8 @@ class SwapManager(Logger):
             x = int(x * (100 - self.percentage) / 100)
             x -= self.lockup_fee
             x -= self.get_claim_fee()
+            if x < dust_threshold():
+                return
         else:
             x -= self.normal_fee
             x = int(x * (100 - self.percentage) / 100)