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a1e3885a68
3a83a01694160f2e722e1bc90a328bd569b8e109 [tests] move generate_wif_key to wallet_util.py (John Newbery) b216b0b71f7853d747af8b712fc250c699f3c320 [tests] sort imports in rpc_createmultisig.py (John Newbery) e38081846d889fcbbbc6ca4a4d3bca26807fde2f Revert "[TESTS] Move base58 to own module to break circular dependency" (John Newbery) Pull request description: generate_wif_key is a wallet utility function. Move it from the EC key module to the wallet util module. This fixes the circular dependency issue in #17977 ACKs for top commit: MarcoFalke: ACK 3a83a01694160f2e722e1bc90a328bd569b8e109 🍪 Tree-SHA512: 24985dffb75202721ccc0c6c5b52f1fa5d1ce7963bccde24389feb913cab4dad0c265274ca67892c46c8b64e6a065a0f23263a89be4fb9134dfefbdbe5c7238a
120 lines
4.0 KiB
Python
120 lines
4.0 KiB
Python
#!/usr/bin/env python3
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# Copyright (c) 2016-2020 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#
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# address.py
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#
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# This file encodes and decodes BASE58 P2PKH and P2SH addresses
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#
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import unittest
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from .script import hash160, hash256, CScript
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from .util import hex_str_to_bytes
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from test_framework.util import assert_equal
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# Note unlike in bitcoin, this address isn't bech32 since we don't (at this time) support bech32.
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ADDRESS_BCRT1_UNSPENDABLE = 'yVg3NBUHNEhgDceqwVUjsZHreC5PBHnUo9'
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ADDRESS_BCRT1_UNSPENDABLE_DESCRIPTOR = 'addr(yVg3NBUHNEhgDceqwVUjsZHreC5PBHnUo9)#e5kt0jtk'
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ADDRESS_BCRT1_P2SH_OP_TRUE = '8zJctvfrzGZ5s1zQ3kagwyW1DsPYSQ4V2P'
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chars = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'
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def byte_to_base58(b, version):
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result = ''
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str = b.hex()
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str = chr(version).encode('latin-1').hex() + str
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checksum = hash256(hex_str_to_bytes(str)).hex()
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str += checksum[:8]
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value = int('0x'+str,0)
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while value > 0:
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result = chars[value % 58] + result
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value //= 58
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while (str[:2] == '00'):
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result = chars[0] + result
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str = str[2:]
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return result
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def base58_to_byte(s, verify_checksum=True):
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if not s:
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return b''
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n = 0
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for c in s:
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n *= 58
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assert c in chars
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digit = chars.index(c)
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n += digit
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h = '%x' % n
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if len(h) % 2:
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h = '0' + h
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res = n.to_bytes((n.bit_length() + 7) // 8, 'big')
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pad = 0
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for c in s:
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if c == chars[0]:
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pad += 1
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else:
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break
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res = b'\x00' * pad + res
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if verify_checksum:
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assert_equal(hash256(res[:-4])[:4], res[-4:])
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return res[1:-4], int(res[0])
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def keyhash_to_p2pkh(hash, main = False):
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assert len(hash) == 20
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version = 76 if main else 140
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return byte_to_base58(hash, version)
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def scripthash_to_p2sh(hash, main = False):
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assert len(hash) == 20
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version = 16 if main else 19
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return byte_to_base58(hash, version)
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def key_to_p2pkh(key, main = False):
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key = check_key(key)
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return keyhash_to_p2pkh(hash160(key), main)
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def script_to_p2sh(script, main = False):
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script = check_script(script)
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return scripthash_to_p2sh(hash160(script), main)
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def check_key(key):
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if (type(key) is str):
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key = hex_str_to_bytes(key) # Assuming this is hex string
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if (type(key) is bytes and (len(key) == 33 or len(key) == 65)):
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return key
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assert False
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def check_script(script):
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if (type(script) is str):
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script = hex_str_to_bytes(script) # Assuming this is hex string
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if (type(script) is bytes or type(script) is CScript):
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return script
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assert False
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class TestFrameworkScript(unittest.TestCase):
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def test_base58encodedecode(self):
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def check_base58(data, version):
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self.assertEqual(base58_to_byte(byte_to_base58(data, version)), (data, version))
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check_base58(b'\x1f\x8e\xa1p*{\xd4\x94\x1b\xca\tA\xb8R\xc4\xbb\xfe\xdb.\x05', 111)
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check_base58(b':\x0b\x05\xf4\xd7\xf6l;\xa7\x00\x9fE50)l\x84\\\xc9\xcf', 111)
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check_base58(b'A\xc1\xea\xf1\x11\x80%Y\xba\xd6\x1b`\xd6+\x1f\x89|c\x92\x8a', 111)
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check_base58(b'\0A\xc1\xea\xf1\x11\x80%Y\xba\xd6\x1b`\xd6+\x1f\x89|c\x92\x8a', 111)
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check_base58(b'\0\0A\xc1\xea\xf1\x11\x80%Y\xba\xd6\x1b`\xd6+\x1f\x89|c\x92\x8a', 111)
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check_base58(b'\0\0\0A\xc1\xea\xf1\x11\x80%Y\xba\xd6\x1b`\xd6+\x1f\x89|c\x92\x8a', 111)
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check_base58(b'\x1f\x8e\xa1p*{\xd4\x94\x1b\xca\tA\xb8R\xc4\xbb\xfe\xdb.\x05', 0)
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check_base58(b':\x0b\x05\xf4\xd7\xf6l;\xa7\x00\x9fE50)l\x84\\\xc9\xcf', 0)
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check_base58(b'A\xc1\xea\xf1\x11\x80%Y\xba\xd6\x1b`\xd6+\x1f\x89|c\x92\x8a', 0)
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check_base58(b'\0A\xc1\xea\xf1\x11\x80%Y\xba\xd6\x1b`\xd6+\x1f\x89|c\x92\x8a', 0)
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check_base58(b'\0\0A\xc1\xea\xf1\x11\x80%Y\xba\xd6\x1b`\xd6+\x1f\x89|c\x92\x8a', 0)
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check_base58(b'\0\0\0A\xc1\xea\xf1\x11\x80%Y\xba\xd6\x1b`\xd6+\x1f\x89|c\x92\x8a', 0)
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