3a83a01694
generate_wif_key is a wallet utility function. Move it from the EC key module to the wallet util module.
132 lines
5.1 KiB
Python
Executable file
132 lines
5.1 KiB
Python
Executable file
#!/usr/bin/env python3
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# Copyright (c) 2018-2020 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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"""Useful util functions for testing the wallet"""
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from collections import namedtuple
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from test_framework.address import (
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byte_to_base58,
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key_to_p2pkh,
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key_to_p2sh_p2wpkh,
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key_to_p2wpkh,
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script_to_p2sh,
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script_to_p2sh_p2wsh,
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script_to_p2wsh,
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)
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from test_framework.key import ECKey
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from test_framework.script import (
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CScript,
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OP_0,
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OP_2,
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OP_3,
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OP_CHECKMULTISIG,
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OP_CHECKSIG,
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OP_DUP,
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OP_EQUAL,
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OP_EQUALVERIFY,
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OP_HASH160,
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hash160,
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sha256,
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)
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from test_framework.util import hex_str_to_bytes
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Key = namedtuple('Key', ['privkey',
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'pubkey',
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'p2pkh_script',
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'p2pkh_addr',
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'p2wpkh_script',
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'p2wpkh_addr',
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'p2sh_p2wpkh_script',
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'p2sh_p2wpkh_redeem_script',
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'p2sh_p2wpkh_addr'])
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Multisig = namedtuple('Multisig', ['privkeys',
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'pubkeys',
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'p2sh_script',
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'p2sh_addr',
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'redeem_script',
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'p2wsh_script',
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'p2wsh_addr',
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'p2sh_p2wsh_script',
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'p2sh_p2wsh_addr'])
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def get_key(node):
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"""Generate a fresh key on node
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Returns a named tuple of privkey, pubkey and all address and scripts."""
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addr = node.getnewaddress()
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pubkey = node.getaddressinfo(addr)['pubkey']
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pkh = hash160(hex_str_to_bytes(pubkey))
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return Key(privkey=node.dumpprivkey(addr),
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pubkey=pubkey,
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p2pkh_script=CScript([OP_DUP, OP_HASH160, pkh, OP_EQUALVERIFY, OP_CHECKSIG]).hex(),
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p2pkh_addr=key_to_p2pkh(pubkey),
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p2wpkh_script=CScript([OP_0, pkh]).hex(),
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p2wpkh_addr=key_to_p2wpkh(pubkey),
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p2sh_p2wpkh_script=CScript([OP_HASH160, hash160(CScript([OP_0, pkh])), OP_EQUAL]).hex(),
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p2sh_p2wpkh_redeem_script=CScript([OP_0, pkh]).hex(),
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p2sh_p2wpkh_addr=key_to_p2sh_p2wpkh(pubkey))
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def get_generate_key():
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"""Generate a fresh key
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Returns a named tuple of privkey, pubkey and all address and scripts."""
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eckey = ECKey()
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eckey.generate()
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privkey = bytes_to_wif(eckey.get_bytes())
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pubkey = eckey.get_pubkey().get_bytes().hex()
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pkh = hash160(hex_str_to_bytes(pubkey))
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return Key(privkey=privkey,
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pubkey=pubkey,
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p2pkh_script=CScript([OP_DUP, OP_HASH160, pkh, OP_EQUALVERIFY, OP_CHECKSIG]).hex(),
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p2pkh_addr=key_to_p2pkh(pubkey),
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p2wpkh_script=CScript([OP_0, pkh]).hex(),
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p2wpkh_addr=key_to_p2wpkh(pubkey),
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p2sh_p2wpkh_script=CScript([OP_HASH160, hash160(CScript([OP_0, pkh])), OP_EQUAL]).hex(),
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p2sh_p2wpkh_redeem_script=CScript([OP_0, pkh]).hex(),
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p2sh_p2wpkh_addr=key_to_p2sh_p2wpkh(pubkey))
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def get_multisig(node):
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"""Generate a fresh 2-of-3 multisig on node
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Returns a named tuple of privkeys, pubkeys and all address and scripts."""
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addrs = []
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pubkeys = []
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for _ in range(3):
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addr = node.getaddressinfo(node.getnewaddress())
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addrs.append(addr['address'])
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pubkeys.append(addr['pubkey'])
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script_code = CScript([OP_2] + [hex_str_to_bytes(pubkey) for pubkey in pubkeys] + [OP_3, OP_CHECKMULTISIG])
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witness_script = CScript([OP_0, sha256(script_code)])
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return Multisig(privkeys=[node.dumpprivkey(addr) for addr in addrs],
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pubkeys=pubkeys,
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p2sh_script=CScript([OP_HASH160, hash160(script_code), OP_EQUAL]).hex(),
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p2sh_addr=script_to_p2sh(script_code),
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redeem_script=script_code.hex(),
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p2wsh_script=witness_script.hex(),
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p2wsh_addr=script_to_p2wsh(script_code),
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p2sh_p2wsh_script=CScript([OP_HASH160, witness_script, OP_EQUAL]).hex(),
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p2sh_p2wsh_addr=script_to_p2sh_p2wsh(script_code))
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def test_address(node, address, **kwargs):
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"""Get address info for `address` and test whether the returned values are as expected."""
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addr_info = node.getaddressinfo(address)
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for key, value in kwargs.items():
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if value is None:
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if key in addr_info.keys():
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raise AssertionError("key {} unexpectedly returned in getaddressinfo.".format(key))
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elif addr_info[key] != value:
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raise AssertionError("key {} value {} did not match expected value {}".format(key, addr_info[key], value))
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def bytes_to_wif(b, compressed=True):
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if compressed:
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b += b'\x01'
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return byte_to_base58(b, 239)
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def generate_wif_key():
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# Makes a WIF privkey for imports
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k = ECKey()
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k.generate()
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return bytes_to_wif(k.get_bytes(), k.is_compressed)
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