From d1e2ca4bc543e6e5a13cc82a5e9bc72a7d1486ef Mon Sep 17 00:00:00 2001
From: SomberNight <somber.night@protonmail.com>
Date: Sat, 27 Jan 2018 18:16:31 +0100
Subject: [PATCH] make wallet.is_change faster

---
 lib/wallet.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/wallet.py b/lib/wallet.py
index b836394ad..e38901e8e 100644
--- a/lib/wallet.py
+++ b/lib/wallet.py
@@ -341,7 +341,7 @@ class Abstract_Wallet(PrintError):
     def is_change(self, address):
         if not self.is_mine(address):
             return False
-        return address in self.change_addresses
+        return self.get_address_index(address)[0]
 
     def get_address_index(self, address):
         if hasattr(self, '_addr_to_addr_index'):