From 568a1d72619371a45b14a8356d3f80bd0c0efabc Mon Sep 17 00:00:00 2001
From: Stepan Snigirev <snigirev.stepan@gmail.com>
Date: Thu, 5 Nov 2020 23:16:55 +0100
Subject: [PATCH] fix ecdsa verify in test framework

---
 test/functional/test_framework/key.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/functional/test_framework/key.py b/test/functional/test_framework/key.py
index a6bc1879855..abf25071542 100644
--- a/test/functional/test_framework/key.py
+++ b/test/functional/test_framework/key.py
@@ -322,7 +322,7 @@ def verify_ecdsa(self, sig, msg, low_s=True):
         u1 = z*w % SECP256K1_ORDER
         u2 = r*w % SECP256K1_ORDER
         R = SECP256K1.affine(SECP256K1.mul([(SECP256K1_G, u1), (self.p, u2)]))
-        if R is None or R[0] != r:
+        if R is None or (R[0] % SECP256K1_ORDER) != r:
             return False
         return True