From a500db371db414e4235e0609d6c328aa99eb135f Mon Sep 17 00:00:00 2001
From: SomberNight <somber.night@protonmail.com>
Date: Sun, 15 Mar 2020 01:26:26 +0100
Subject: [PATCH] wallet: put hard limit on minimum of relayfee: 1 sat/byte

(note that the dust limit is calculated based on the relayfee)

closes #6035
---
 electrum/bitcoin.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/electrum/bitcoin.py b/electrum/bitcoin.py
index 8e257d95a..b85e24b3a 100644
--- a/electrum/bitcoin.py
+++ b/electrum/bitcoin.py
@@ -304,8 +304,9 @@ def relayfee(network: 'Network' = None) -> int:
         fee = network.relay_fee
     else:
         fee = FEERATE_DEFAULT_RELAY
+    # sanity safeguards, as network.relay_fee is coming from a server:
     fee = min(fee, FEERATE_MAX_RELAY)
-    fee = max(fee, 0)
+    fee = max(fee, FEERATE_DEFAULT_RELAY)
     return fee