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99dec80fbb
825fcae484f31182041dfacbf820e818d759b130 [tests] Replace bytes literals with hex literals (John Newbery)
64eca45100536579a3849631e59d4277bbc25be1 [tests] Fix pep8 style violations in address.py (John Newbery)
b230f8b3f3adcb1e2ae299094f9ae0a8bc7cc3d0 [tests] Correct docstring for address.py (John Newbery)
ea70e6a2ca0e183ef40cdb9b3b86f39e94366015 [tests] Tidy up imports in address.py (John Newbery)
7f639df0b8a15aaeccedab00b634925f568c2c9a [tests] Remove unused optional verify_checksum parameter (John Newbery)
011e784f74411bd5d5dbccfd3af39e0937fd8933 [tests] Rename segwit encode and decode functions (John Newbery)
e4557133f595f357df5e16ae4f2f19c579631396 [tests] Move bech32 unit tests to test framework (John Newbery)
Pull request description:
Lots of small fixes:
- moving unit tests to test_framework implementation files
- renaming functions to be clearer
- removing multiple imports
- removing unreadable byte literals from the code
- fixing pep8 violations
- correcting out-of-date docstring
ACKs for top commit:
jonatack:
re-ACK 825fcae484f31182041dfacbf820e818d759b130 per `git range-diff a0a422c 7edcdcd 825fcae` and verified `wallet_address_types.py` and `wallet_basic.py --descriptors` (the failure on one travis job) are green locally.
MarcoFalke:
ACK 825fcae484f31182041dfacbf820e818d759b130
fanquake:
ACK 825fcae484f31182041dfacbf820e818d759b130 - looks ok to me.
Tree-SHA512: aea509c27c1bcb94bef11205b6a79836c39c62249672815efc9822f411bc2e2336ceb3d72b3b861c3f4054a08e16edb28c6edd3aa5eff72eec1d60ea6ca82dc4
122 lines
4.0 KiB
Python
122 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 assert_equal, hex_str_to_bytes
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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):
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"""Converts a base58-encoded string to its data and version.
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Throws if the base58 checksum is invalid."""
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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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# Assert if the checksum is invalid
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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(bytes.fromhex('1f8ea1702a7bd4941bca0941b852c4bbfedb2e05'), 111)
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check_base58(bytes.fromhex('3a0b05f4d7f66c3ba7009f453530296c845cc9cf'), 111)
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check_base58(bytes.fromhex('41c1eaf111802559bad61b60d62b1f897c63928a'), 111)
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check_base58(bytes.fromhex('0041c1eaf111802559bad61b60d62b1f897c63928a'), 111)
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check_base58(bytes.fromhex('000041c1eaf111802559bad61b60d62b1f897c63928a'), 111)
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check_base58(bytes.fromhex('00000041c1eaf111802559bad61b60d62b1f897c63928a'), 111)
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check_base58(bytes.fromhex('1f8ea1702a7bd4941bca0941b852c4bbfedb2e05'), 0)
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check_base58(bytes.fromhex('3a0b05f4d7f66c3ba7009f453530296c845cc9cf'), 0)
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check_base58(bytes.fromhex('41c1eaf111802559bad61b60d62b1f897c63928a'), 0)
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check_base58(bytes.fromhex('0041c1eaf111802559bad61b60d62b1f897c63928a'), 0)
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check_base58(bytes.fromhex('000041c1eaf111802559bad61b60d62b1f897c63928a'), 0)
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check_base58(bytes.fromhex('00000041c1eaf111802559bad61b60d62b1f897c63928a'), 0)
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