diff options
Diffstat (limited to 'test/functional/test_framework/base58.py')
-rw-r--r-- | test/functional/test_framework/base58.py | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/test/functional/test_framework/base58.py b/test/functional/test_framework/base58.py deleted file mode 100644 index 3dab3569d0..0000000000 --- a/test/functional/test_framework/base58.py +++ /dev/null @@ -1,70 +0,0 @@ -#!/usr/bin/env python3 -# Copyright (c) 2016-2020 The Bitcoin Core developers -# Distributed under the MIT software license, see the accompanying -# file COPYING or http://www.opensource.org/licenses/mit-license.php. -"""Encode BASE58.""" - -import unittest - -from .messages import hash256 -from .util import hex_str_to_bytes, assert_equal - -chars = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz' - -def byte_to_base58(b, version): - result = '' - str = b.hex() - str = chr(version).encode('latin-1').hex() + str - checksum = hash256(hex_str_to_bytes(str)).hex() - str += checksum[:8] - value = int('0x'+str,0) - while value > 0: - result = chars[value % 58] + result - value //= 58 - while (str[:2] == '00'): - result = chars[0] + result - str = str[2:] - return result - -def base58_to_byte(s, verify_checksum=True): - if not s: - return b'' - n = 0 - for c in s: - n *= 58 - assert c in chars - digit = chars.index(c) - n += digit - h = '%x' % n - if len(h) % 2: - h = '0' + h - res = n.to_bytes((n.bit_length() + 7) // 8, 'big') - pad = 0 - for c in s: - if c == chars[0]: - pad += 1 - else: - break - res = b'\x00' * pad + res - if verify_checksum: - assert_equal(hash256(res[:-4])[:4], res[-4:]) - - return res[1:-4], int(res[0]) - -class TestFrameworkScript(unittest.TestCase): - def test_base58encodedecode(self): - def check_base58(data, version): - self.assertEqual(base58_to_byte(byte_to_base58(data, version)), (data, version)) - - check_base58(b'\x1f\x8e\xa1p*{\xd4\x94\x1b\xca\tA\xb8R\xc4\xbb\xfe\xdb.\x05', 111) - check_base58(b':\x0b\x05\xf4\xd7\xf6l;\xa7\x00\x9fE50)l\x84\\\xc9\xcf', 111) - check_base58(b'A\xc1\xea\xf1\x11\x80%Y\xba\xd6\x1b`\xd6+\x1f\x89|c\x92\x8a', 111) - check_base58(b'\0A\xc1\xea\xf1\x11\x80%Y\xba\xd6\x1b`\xd6+\x1f\x89|c\x92\x8a', 111) - check_base58(b'\0\0A\xc1\xea\xf1\x11\x80%Y\xba\xd6\x1b`\xd6+\x1f\x89|c\x92\x8a', 111) - check_base58(b'\0\0\0A\xc1\xea\xf1\x11\x80%Y\xba\xd6\x1b`\xd6+\x1f\x89|c\x92\x8a', 111) - check_base58(b'\x1f\x8e\xa1p*{\xd4\x94\x1b\xca\tA\xb8R\xc4\xbb\xfe\xdb.\x05', 0) - check_base58(b':\x0b\x05\xf4\xd7\xf6l;\xa7\x00\x9fE50)l\x84\\\xc9\xcf', 0) - check_base58(b'A\xc1\xea\xf1\x11\x80%Y\xba\xd6\x1b`\xd6+\x1f\x89|c\x92\x8a', 0) - check_base58(b'\0A\xc1\xea\xf1\x11\x80%Y\xba\xd6\x1b`\xd6+\x1f\x89|c\x92\x8a', 0) - check_base58(b'\0\0A\xc1\xea\xf1\x11\x80%Y\xba\xd6\x1b`\xd6+\x1f\x89|c\x92\x8a', 0) - check_base58(b'\0\0\0A\xc1\xea\xf1\x11\x80%Y\xba\xd6\x1b`\xd6+\x1f\x89|c\x92\x8a', 0) |