From 2d57a689d9bcf36799e1bfb9aa21bcd6a6d048a1 Mon Sep 17 00:00:00 2001
From: SomberNight <somber.night@protonmail.com>
Date: Wed, 1 Jan 2020 06:21:20 +0100
Subject: [PATCH] network/util: increase default timeout of
 make_aiohttp_session (30->45s)

related: #5337
---
 electrum/util.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/electrum/util.py b/electrum/util.py
index 354bc1ac7..c946c53c9 100644
--- a/electrum/util.py
+++ b/electrum/util.py
@@ -1044,7 +1044,9 @@ def make_aiohttp_session(proxy: Optional[dict], headers=None, timeout=None):
     if headers is None:
         headers = {'User-Agent': 'Electrum'}
     if timeout is None:
-        timeout = aiohttp.ClientTimeout(total=30)
+        # The default timeout is high intentionally.
+        # DNS on some systems can be really slow, see e.g. #5337
+        timeout = aiohttp.ClientTimeout(total=45)
     elif isinstance(timeout, (int, float)):
         timeout = aiohttp.ClientTimeout(total=timeout)
     ssl_context = ssl.create_default_context(purpose=ssl.Purpose.SERVER_AUTH, cafile=ca_path)