def doit(given_addr, path=None, addr_fmt=None, script=None):
if not script:
try:
# prefer using xpub if we can
mk = BIP32Node.from_wallet_key(master_xpub)
sk = mk.subkey_for_path(path[2:])
except PublicPrivateMismatchError:
mk = BIP32Node.from_wallet_key(simulator_fixed_xprv)
sk = mk.subkey_for_path(path[2:])
if addr_fmt == AF_CLASSIC:
# easy
assert sk.address() == given_addr
elif addr_fmt & AFC_PUBKEY:
pkh = sk.hash160(use_uncompressed=False)
if addr_fmt == AF_P2WPKH:
hrp, data = bech32_decode(given_addr)
decoded = convertbits(data[1:], 5, 8, False)
assert hrp in {'tb', 'bc' }
assert bytes(decoded[-20:]) == pkh
else:
assert addr_fmt == AF_P2WPKH_P2SH
assert given_addr[0] in '23'
expect = a2b_hashed_base58(given_addr)[1:]
assert len(expect) == 20
assert hash160(b'\x00\x14' + pkh) == expect
elif addr_fmt & AFC_SCRIPT:
assert script, 'need a redeem/witness script'
if addr_fmt == AF_P2SH:
assert given_addr[0] in '23'
expect = a2b_hashed_base58(given_addr)[1:]
assert hash160(script) == expect
elif addr_fmt == AF_P2WSH:
hrp, data = bech32_decode(given_addr)
assert hrp in {'tb', 'bc' }
decoded = convertbits(data[1:], 5, 8, False)
assert bytes(decoded[-32:]) == sha256(script).digest()
elif addr_fmt == AF_P2WSH_P2SH:
assert given_addr[0] in '23'
expect = a2b_hashed_base58(given_addr)[1:]
assert hash160(b'\x00\x20' + sha256(script).digest()) == expect
else:
raise pytest.fail(f'not ready for {addr_fmt:x} yet')
else:
raise ValueError(addr_fmt)
return sk if not script else None
def doit(given_addr, path, addr_fmt):
mk = BIP32Node.from_wallet_key(master_xpub)
sk = mk.subkey_for_path(path[2:])
if addr_fmt == AF_CLASSIC:
# easy
assert sk.address() == given_addr
elif addr_fmt & AFC_PUBKEY:
pkh = sk.hash160(use_uncompressed=False)
if addr_fmt == AF_P2WPKH:
hrp, data = bech32_decode(given_addr)
decoded = convertbits(data[1:], 5, 8, False)
assert hrp in {'tb', 'bc'}
assert bytes(decoded[-20:]) == pkh
else:
assert addr_fmt == AF_P2WPKH_P2SH
assert given_addr[0] in '23'
expect = a2b_hashed_base58(given_addr)[1:]
assert len(expect) == 20
assert hash160(b'\x00\x14' + pkh) == expect
elif addr_fmt & AFC_SCRIPT:
raise pytest.fail('multisig/p2sh addr not handled')
else:
raise ValueError(addr_fmt)
def _setup_node(self, node_key):
self._btctxstore = btctxstore.BtcTxStore()
node_key = node_key or self._btctxstore.create_key()
is_hwif = self._btctxstore.validate_wallet(node_key)
self._key = self._btctxstore.get_key(node_key) if is_hwif else node_key
address = self._btctxstore.get_address(self._key)
self._nodeid = a2b_hashed_base58(address)[1:]
def from_text(class_, text, is_compressed=True):
"""
This function will accept a BIP0032 wallet string, a WIF, or a bitcoin address.
The "is_compressed" parameter is ignored unless a public address is passed in.
"""
data = a2b_hashed_base58(text)
netcode, key_type, length = netcode_and_type_for_data(data)
data = data[1:]
if key_type in ("pub32", "prv32"):
# TODO: fix this... it doesn't belong here
from pycoin.key.BIP32Node import BIP32Node
return BIP32Node.from_wallet_key(text)
if key_type == 'wif':
is_compressed = (len(data) > 32)
if is_compressed:
data = data[:-1]
return Key(
secret_exponent=from_bytes_32(data),
prefer_uncompressed=not is_compressed, netcode=netcode)
if key_type == 'address':
return Key(hash160=data, is_compressed=is_compressed, netcode=netcode)
raise EncodingError("unknown text: %s" % text)
def from_text(class_, text, is_compressed=True):
"""
This function will accept a BIP0032 wallet string, a WIF, or a bitcoin address.
The "is_compressed" parameter is ignored unless a public address is passed in.
"""
data = a2b_hashed_base58(text)
netcode, key_type = netcode_and_type_for_data(data)
data = data[1:]
if key_type in ("pub32", "prv32"):
# TODO: fix this... it doesn't belong here
from pycoin.key.BIP32Node import BIP32Node
return BIP32Node.from_wallet_key(text)
if key_type == 'wif':
is_compressed = (len(data) > 32)
if is_compressed:
data = data[:-1]
return Key(
secret_exponent=from_bytes_32(data),
prefer_uncompressed=not is_compressed, netcode=netcode)
if key_type == 'address':
return Key(hash160=data, is_compressed=is_compressed, netcode=netcode)
raise EncodingError("unknown text: %s" % text)
def addr_to_script(addr):
if addr[:2] == 't3':
scr = 'a914' + a2b_hashed_base58(addr)[2:].encode('hex') + '87'
return scr.decode('hex')
assert addr[:2] == 't1'
k = Key.from_text(addr)
enc = '76a914' + k.hash160()[1:].encode('hex') + '88ac'
return enc.decode('hex')
def test_public(sim_execfile):
"verify contents of public 'dump' file"
from pycoin.key.BIP32Node import BIP32Node
from pycoin.contrib.segwit_addr import encode as sw_encode
from pycoin.contrib.segwit_addr import decode as sw_decode
from pycoin.encoding import a2b_hashed_base58, hash160
pub = sim_execfile('devtest/dump_public.py')
assert 'Error' not in pub
#print(pub)
pub, dev = pub.split('#DEBUG#', 1)
assert 'pub' in pub
assert 'prv' not in pub
assert 'prv' in dev
lines = [i.strip() for i in pub.split('\n')]
for ln in lines:
if ln[1:4] == 'pub':
node_pub = BIP32Node.from_wallet_key(ln)
break
node_prv = BIP32Node.from_wallet_key(dev.strip())
# pub and private are linked
assert node_prv.hwif(as_private=False) == node_pub.hwif()
# check every path we derived
count = 0
for ln in lines:
if ln[0:1] == 'm' and '=>' in ln:
subpath, result = ln.split(' => ', 1)
sk = node_prv.subkey_for_path(subpath[2:])
if result[0:2] in {'tp', 'xp'}:
expect = BIP32Node.from_wallet_key(result)
assert sk.hwif(as_private=False) == result
elif result[0] in '1mn':
assert result == sk.address(False)
elif result[0:3] in {'bc1', 'tb1'}:
h20 = sk.hash160()
assert result == sw_encode(result[0:2], 0, h20)
elif result[0] in '23':
h20 = hash160(b'\x00\x14' + sk.hash160())
assert h20 == a2b_hashed_base58(result)[1:]
else:
raise ValueError(result)
count += 1
print("OK: %s" % ln)
assert count > 12
def doit(addr, sk):
if addr[0] in '1mn':
assert addr == sk.address(False)
elif addr[0:3] in {'bc1', 'tb1'}:
h20 = sk.hash160()
assert addr == sw_encode(addr[0:2], 0, h20)
elif addr[0] in '23':
h20 = hash160(b'\x00\x14' + sk.hash160())
assert h20 == a2b_hashed_base58(addr)[1:]
else:
raise ValueError(addr)
def __init__(self, **kwargs):
"""Create a LooseAddressRecord for a given wallet <model>,
color <color_set> and address <address_data>. Also let the constructor
know whether it's on <testnet> (optional).
<address_data> is the privKey in base58 format
"""
super(LooseAddressRecord, self).__init__(**kwargs)
bin_privkey = a2b_hashed_base58(kwargs['address_data'])
key_type = bin_privkey[0]
if key_type != self.prefix:
raise InvalidAddressError
self.rawPrivKey = from_bytes_32(bin_privkey[1:])
self.publicPoint = BasePoint * self.rawPrivKey
self.address = public_pair_to_bitcoin_address(
self.publicPoint.pair(), compressed=False, is_test=self.testnet)
def __init__(self, **kwargs):
"""Create a LooseAddressRecord for a given wallet <model>,
color <color_set> and address <address_data>. Also let the constructor
know whether it's on <testnet> (optional).
<address_data> is the privKey in base58 format
"""
super(LooseAddressRecord, self).__init__(**kwargs)
bin_privkey = a2b_hashed_base58(kwargs['address_data'])
key_type = bin_privkey[0]
if key_type != self.prefix:
raise InvalidAddressError
self.rawPrivKey = from_bytes_32(bin_privkey[1:])
self.publicPoint = BasePoint * self.rawPrivKey
self.address = public_pair_to_bitcoin_address(self.publicPoint.pair(),
compressed=False,
is_test=self.testnet)
def slip132undo(orig):
# take a SLIP-132 xpub/ypub/z/U/?pub/prv and convert into BIP-32 style
# - preserve testnet vs. mainnet
# - return addr fmt info
from pycoin.encoding import a2b_hashed_base58, b2a_hashed_base58
from ckcc_protocol.constants import AF_P2WPKH_P2SH, AF_P2SH, AF_P2WSH, AF_P2WSH_P2SH
from ckcc_protocol.constants import AF_P2WPKH
assert orig[0] not in 'xt', "already legit bip32"
xpub = a2b_hex('0488B21E')
tpub = a2b_hex('043587cf')
xprv = a2b_hex('0488ADE4')
tprv = a2b_hex('04358394')
variants = [
(False, AF_P2WPKH_P2SH, '049d7cb2', '049d7878', 'y'),
(False, AF_P2WPKH, '04b24746', '04b2430c', 'z'),
(False, AF_P2WSH_P2SH, '0295b43f', '0295b005', 'Y'),
(False, AF_P2WSH, '02aa7ed3', '02aa7a99', 'Z'),
(True, AF_P2WPKH_P2SH, '044a5262', '044a4e28', 'u'),
(True, AF_P2WPKH, '045f1cf6', '045f18bc', 'v'),
(True, AF_P2WSH_P2SH, '024289ef', '024285b5', 'U'),
(True, AF_P2WSH, '02575483', '02575048', 'V'),
]
raw = a2b_hashed_base58(orig)
for testnet, addr_fmt, pub, priv, hint in variants:
if raw[0:4] == a2b_hex(pub):
return b2a_hashed_base58((tpub if testnet else xpub) + raw[4:]), \
testnet, addr_fmt, False
if raw[0:4] == a2b_hex(priv):
return b2a_hashed_base58((tprv if testnet else xprv) + raw[4:]), \
testnet, addr_fmt, True
raise RuntimeError("unknown prefix")
def address_to_node_id(address):
"""Convert a bitcoin address to a node id."""
return a2b_hashed_base58(address)[1:]
def validate(address, magic_bytes):
try:
return a2b_hashed_base58(address)[:1] in bytes(
map(int, magic_bytes.split(',')))
except EncodingError:
return False
def test_raw_to_address(self):
privkey = from_bytes_32(a2b_hashed_base58(self.address)[1:])
pubkey = BasePoint * privkey
raw = public_pair_to_hash160_sec(pubkey.pair(), False)
addr = self.ccc.raw_to_address(raw)
self.assertEqual(addr,'1CC3X2gu58d6wXUWMffpuzN9JAfTUWu4Kj')
def address2nodeid(address):
"""Convert a bitcoin address to a node id."""
return binascii.hexlify(a2b_hashed_base58(address)[1:]).decode("utf-8")
def do_test(as_text, as_bin):
self.assertEqual(as_text, encoding.b2a_hashed_base58(as_bin))
self.assertEqual(as_bin, encoding.a2b_hashed_base58(as_text))
self.assertTrue(encoding.is_hashed_base58_valid(as_text))
bogus_text = as_text[:-1] + chr(1+ord(as_text[-1]))
self.assertFalse(encoding.is_hashed_base58_valid(bogus_text))
if __name__ == '__main__':
prev_hash = '3f7352324c97313dfb36c7d2234aef84708ab48739aee4a38b6ffc884dcdeb76' #TX ID
print('Prev hash: {}'.format(prev_hash))
prev_hash_le = hexlify(unhexlify(prev_hash)[::-1]) #LE TX ID
print('Prev hash LE: {}'.format(prev_hash_le.decode()))
print()
# ADDRESS TO PUB KEY IN HEX
address_send_to = 'mfZ18J7nP5t4L1F79Mu9jhVzMfBxDKifLk' #Send TO ADDRESS
print('Send to address: {}'.format(address_send_to))
pub_key_send_to_hex = hexlify(a2b_hashed_base58(address_send_to)[1:])
print('Send to pub key hex: {}'.format(pub_key_send_to_hex))
address_mine = 'mo3kHhHn6ixsXy8LGcdY2zW2QkE8FmhsFH' #MY ADDRESS
print('My address: {}'.format(address_mine))
pub_key_mine_hex = hexlify(a2b_hashed_base58(address_mine)[1:])
print('My pub key hex: {}'.format(pub_key_mine_hex))
print()
# BUILD TX
ver = '01000000'
print('Ver: {}'.format(ver))
def btcaddress_to_hexnodeid(address):
return binascii.hexlify(a2b_hashed_base58(address)[1:])
def do_test(as_text, as_bin):
self.assertEqual(as_text, encoding.b2a_hashed_base58(as_bin))
self.assertEqual(as_bin, encoding.a2b_hashed_base58(as_text))
self.assertTrue(encoding.is_hashed_base58_valid(as_text))
bogus_text = as_text[:-1] + chr(1 + ord(as_text[-1]))
self.assertFalse(encoding.is_hashed_base58_valid(bogus_text))
def address_to_node_id(address):
# e.g. address = api.get_address(wif)
return a2b_hashed_base58(address)[1:]
import settings
from pymongo import MongoClient
from pycoin.encoding import a2b_hashed_base58
from binascii import hexlify
connection = MongoClient('localhost', 27017)
collection = connection[settings.DBS_NAME][settings.FARMERS_COLLECTION]
for farmer in collection.find().distinct('farmers.btc_addr'):
nodeid = hexlify(a2b_hashed_base58(farmer)[1:]).decode("utf-8")
print(nodeid)
collection.update_many({'farmers.btc_addr': farmer},
{'$set': {'farmers.$.nodeid': nodeid},
'$unset': {'farmers.$.btc_addr': ''}})
connection.close()
def address_to_nodeid(address):
"""Convert a bitcoin address to a node id."""
return a2b_hashed_base58(address)[1:]
def get_id(self):
address = self._btctxstore.get_address(self.key)
return a2b_hashed_base58(address)[1:] # remove network prefix
def netcode_from_address(address):
""" Returns netcode for given bitcoin address. """
data = a2b_hashed_base58(address)
netcode, key_type, length = netcode_and_type_for_data(data)
return netcode
def b58_to_pcode(b58):
return encoding.a2b_hashed_base58( b58 )[1:]
def validate_address(address_bytes):
_assert(type(address_bytes) == bytes, 'Address: type must be bytes')
_assert(len(address_bytes) == 25, 'Address: len != 25')
v_hash160 = a2b_hashed_base58(b2a_base58(address_bytes))
_assert(v_hash160 == address_bytes[0:21], 'Address: version + hash160 does not match')
def address_to_node_id(address):
# e.g. address = api.get_address(wif)
return a2b_hashed_base58(address)[1:]
def validate(address, magic_bytes):
try:
return a2b_hashed_base58(address)[:1] in bytes(map(int, magic_bytes.split(',')))
except EncodingError:
return False
def get_id(self):
address = self._btctxstore.get_address(self.key)
return a2b_hashed_base58(address)[1:] # remove network prefix
