From 031b911dce818c4c005663e770b4784234bc5590 Mon Sep 17 00:00:00 2001
From: ThomasV <thomasv@electrum.org>
Date: Sat, 30 Sep 2017 13:01:33 +0200
Subject: [PATCH] fix cache with h2addr

---
 lib/network.py | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/lib/network.py b/lib/network.py
index e0d26cf80..9e2639872 100644
--- a/lib/network.py
+++ b/lib/network.py
@@ -619,10 +619,11 @@ class Network(util.DaemonThread):
 
     def overload_cb(self, callback):
         def cb2(x):
-            p = x.pop('params')
+            x2 = x.copy()
+            p = x2.pop('params')
             addr = self.h2addr[p[0]]
-            x['params'] = [addr]
-            callback(x)
+            x2['params'] = [addr]
+            callback(x2)
         return cb2
 
     def subscribe_to_addresses(self, addresses, callback):