electrum

commit 6709ec41174300093a5782debe2787f005bd9b07
parent 2d57a689d9bcf36799e1bfb9aa21bcd6a6d048a1
Author: SomberNight <somber.night@protonmail.com>
Date:   Wed,  1 Jan 2020 06:23:51 +0100

dns hacks on windows: cache dns when using dnspython

related #4421
related #5337

Diffstat:
M
electrum/network.py
 | 
3
+++

1 file changed, 3 insertions(+), 0 deletions(-)
diff --git a/electrum/network.py b/electrum/network.py
@@ -564,6 +564,9 @@ class Network(Logger):
                 # when dns-resolving. To speed it up drastically, we resolve dns ourselves, outside that lock.
                 # see #4421
                 socket.getaddrinfo = self._fast_getaddrinfo
+                resolver = dns.resolver.get_default_resolver()
+                if resolver.cache is None:
+                    resolver.cache = dns.resolver.Cache()
             else:
                 socket.getaddrinfo = socket._getaddrinfo
         self.trigger_callback('proxy_set', self.proxy)