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[tests] move wallet util functions to wallet_util.py
Adds a new wallet_util.py module and moves generic helper functions there: - get_key - get_multisig - test_address
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| #!/usr/bin/env python3 | ||
| # Copyright (c) 2018 The Bitcoin Core developers | ||
| # Distributed under the MIT software license, see the accompanying | ||
| # file COPYING or http://www.opensource.org/licenses/mit-license.php. | ||
| """Useful util functions for testing the wallet""" | ||
| from collections import namedtuple | ||
|
|
||
| from test_framework.address import ( | ||
| key_to_p2pkh, | ||
| key_to_p2sh_p2wpkh, | ||
| key_to_p2wpkh, | ||
| script_to_p2sh, | ||
| script_to_p2sh_p2wsh, | ||
| script_to_p2wsh, | ||
| ) | ||
| from test_framework.script import ( | ||
| CScript, | ||
| OP_0, | ||
| OP_2, | ||
| OP_3, | ||
| OP_CHECKMULTISIG, | ||
| OP_CHECKSIG, | ||
| OP_DUP, | ||
| OP_EQUAL, | ||
| OP_EQUALVERIFY, | ||
| OP_HASH160, | ||
| hash160, | ||
| sha256, | ||
| ) | ||
| from test_framework.util import hex_str_to_bytes | ||
|
|
||
| Key = namedtuple('Key', ['privkey', | ||
| 'pubkey', | ||
| 'p2pkh_script', | ||
| 'p2pkh_addr', | ||
| 'p2wpkh_script', | ||
| 'p2wpkh_addr', | ||
| 'p2sh_p2wpkh_script', | ||
| 'p2sh_p2wpkh_redeem_script', | ||
| 'p2sh_p2wpkh_addr']) | ||
|
|
||
| Multisig = namedtuple('Multisig', ['privkeys', | ||
| 'pubkeys', | ||
| 'p2sh_script', | ||
| 'p2sh_addr', | ||
| 'redeem_script', | ||
| 'p2wsh_script', | ||
| 'p2wsh_addr', | ||
| 'p2sh_p2wsh_script', | ||
| 'p2sh_p2wsh_addr']) | ||
|
|
||
| def get_key(node): | ||
| """Generate a fresh key on node | ||
| Returns a named tuple of privkey, pubkey and all address and scripts.""" | ||
| addr = node.getnewaddress() | ||
| pubkey = node.getaddressinfo(addr)['pubkey'] | ||
| pkh = hash160(hex_str_to_bytes(pubkey)) | ||
| return Key(privkey=node.dumpprivkey(addr), | ||
| pubkey=pubkey, | ||
| p2pkh_script=CScript([OP_DUP, OP_HASH160, pkh, OP_EQUALVERIFY, OP_CHECKSIG]).hex(), | ||
| p2pkh_addr=key_to_p2pkh(pubkey), | ||
| p2wpkh_script=CScript([OP_0, pkh]).hex(), | ||
| p2wpkh_addr=key_to_p2wpkh(pubkey), | ||
| p2sh_p2wpkh_script=CScript([OP_HASH160, hash160(CScript([OP_0, pkh])), OP_EQUAL]).hex(), | ||
| p2sh_p2wpkh_redeem_script=CScript([OP_0, pkh]).hex(), | ||
| p2sh_p2wpkh_addr=key_to_p2sh_p2wpkh(pubkey)) | ||
|
|
||
| def get_multisig(node): | ||
| """Generate a fresh 2-of-3 multisig on node | ||
| Returns a named tuple of privkeys, pubkeys and all address and scripts.""" | ||
| addrs = [] | ||
| pubkeys = [] | ||
| for _ in range(3): | ||
| addr = node.getaddressinfo(node.getnewaddress()) | ||
| addrs.append(addr['address']) | ||
| pubkeys.append(addr['pubkey']) | ||
| script_code = CScript([OP_2] + [hex_str_to_bytes(pubkey) for pubkey in pubkeys] + [OP_3, OP_CHECKMULTISIG]) | ||
| witness_script = CScript([OP_0, sha256(script_code)]) | ||
| return Multisig(privkeys=[node.dumpprivkey(addr) for addr in addrs], | ||
| pubkeys=pubkeys, | ||
| p2sh_script=CScript([OP_HASH160, hash160(script_code), OP_EQUAL]).hex(), | ||
| p2sh_addr=script_to_p2sh(script_code), | ||
| redeem_script=script_code.hex(), | ||
| p2wsh_script=witness_script.hex(), | ||
| p2wsh_addr=script_to_p2wsh(script_code), | ||
| p2sh_p2wsh_script=CScript([OP_HASH160, witness_script, OP_EQUAL]).hex(), | ||
| p2sh_p2wsh_addr=script_to_p2sh_p2wsh(script_code)) | ||
|
|
||
| def test_address(node, address, **kwargs): | ||
| """Get address info for `address` and test whether the returned values are as expected.""" | ||
| addr_info = node.getaddressinfo(address) | ||
| for key, value in kwargs.items(): | ||
| if value is None: | ||
| if key in addr_info.keys(): | ||
| raise AssertionError("key {} unexpectedly returned in getaddressinfo.".format(key)) | ||
| elif addr_info[key] != value: | ||
| raise AssertionError("key {} value {} did not match expected value {}".format(key, addr_info[key], value)) |
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