From cf9902f59898f36d14d226644a687fa3515614c3 Mon Sep 17 00:00:00 2001
From: Pieter Wuille <pieter@wuille.net>
Date: Wed, 8 Dec 2021 14:17:08 -0500
Subject: [PATCH] Swap out hashlib.ripemd160 for own implementation

Github-Pull: 23716
Rebased-From: 5b559dc7ecf37ab1604b75ec8ffe8436377a5fb1
(cherry picked from commit ea3e028bcc99b2e3ddc4c9e96eb487f4e5418b3f)
---
 test/functional/test_framework/script.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/test/functional/test_framework/script.py b/test/functional/test_framework/script.py
index d5c318455b0..a0a26d4a6d6 100644
--- a/test/functional/test_framework/script.py
+++ b/test/functional/test_framework/script.py
@@ -8,7 +8,6 @@
 """
 
 from collections import namedtuple
-import hashlib
 import struct
 import unittest
 from typing import List, Dict
@@ -29,6 +28,8 @@
     uint256_from_str,
 )
 
+from .ripemd160 import ripemd160
+
 MAX_SCRIPT_ELEMENT_SIZE = 520
 LOCKTIME_THRESHOLD = 500000000
 ANNEX_TAG = 0x50
@@ -36,7 +37,7 @@
 LEAF_VERSION_TAPSCRIPT = 0xc4
 
 def hash160(s):
-    return hashlib.new('ripemd160', sha256(s)).digest()
+    return ripemd160(sha256(s))
 
 def bn2vch(v):
     """Convert number to bitcoin-specific little endian format."""