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Diffstat (limited to 'test/functional/test_framework/util.py')
-rw-r--r-- | test/functional/test_framework/util.py | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/test/functional/test_framework/util.py b/test/functional/test_framework/util.py index a14cda07d0..f819edcc3d 100644 --- a/test/functional/test_framework/util.py +++ b/test/functional/test_framework/util.py @@ -7,6 +7,7 @@ from base64 import b64encode from binascii import hexlify, unhexlify from decimal import Decimal, ROUND_DOWN +import hashlib import json import logging import os @@ -148,6 +149,13 @@ def count_bytes(hex_string): def bytes_to_hex_str(byte_str): return hexlify(byte_str).decode('ascii') +def hash256(byte_str): + sha256 = hashlib.sha256() + sha256.update(byte_str) + sha256d = hashlib.sha256() + sha256d.update(sha256.digest()) + return sha256d.digest()[::-1] + def hex_str_to_bytes(hex_str): return unhexlify(hex_str.encode('ascii')) |