def test_zprv(self):
mnemonic, priv = HDPrivateKey.generate(entropy=1 << 128)
for word in mnemonic.split():
self.assertTrue(word in WORD_LIST)
zprv = priv.zprv()
self.assertTrue(zprv.startswith('zprv'))
zpub = priv.pub.zpub()
self.assertTrue(zpub.startswith('zpub'))
derived = HDPrivateKey.parse(zprv)
self.assertEqual(zprv, derived.zprv())
mnemonic, priv = HDPrivateKey.generate(testnet=True)
zprv = priv.zprv()
self.assertTrue(zprv.startswith('vprv'))
zpub = priv.pub.zpub()
self.assertTrue(zpub.startswith('vpub'))
xpub = priv.pub.xpub()
self.assertTrue(xpub.startswith('tpub'))
derived = HDPrivateKey.parse(zprv)
self.assertEqual(zprv, derived.zprv())
derived_pub = HDPublicKey.parse(zpub)
self.assertEqual(zpub, derived_pub.zpub())
with self.assertRaises(ValueError):
bad_zprv = encode_base58_checksum(b'\x00' * 78)
HDPrivateKey.parse(bad_zprv)
with self.assertRaises(ValueError):
bad_zpub = encode_base58_checksum(b'\x00' * 78)
HDPublicKey.parse(bad_zpub)
with self.assertRaises(ValueError):
derived_pub.child(1 << 31)
def test_zprv(self):
mnemonic, priv = HDPrivateKey.generate(entropy=1<<128)
for word in mnemonic.split():
self.assertTrue(word in WORD_LIST)
zprv = priv.zprv()
self.assertTrue(zprv.startswith('zprv'))
zpub = priv.pub.zpub()
self.assertTrue(zpub.startswith('zpub'))
derived = HDPrivateKey.parse(BytesIO(zprv.encode('ascii')))
self.assertEqual(zprv, derived.zprv())
mnemonic, priv = HDPrivateKey.generate(testnet=True)
zprv = priv.zprv()
self.assertEqual(zprv.encode('ascii'), priv.serialize())
self.assertTrue(zprv.startswith('vprv'))
zpub = priv.pub.zpub()
self.assertEqual(zpub.encode('ascii'), priv.pub.serialize())
self.assertTrue(zpub.startswith('vpub'))
xpub = priv.pub.xpub()
self.assertTrue(xpub.startswith('tpub'))
derived = HDPrivateKey.parse(BytesIO(zprv.encode('ascii')))
self.assertEqual(zprv, derived.zprv())
derived_pub = HDPublicKey.parse(BytesIO(zpub.encode('ascii')))
self.assertEqual(zpub, derived_pub.zpub())
self.assertTrue(derived_pub.p2wpkh_script_pubkey().is_p2wpkh_script_pubkey())
with self.assertRaises(ValueError):
bad_zprv = encode_base58_checksum(b'\x00' * 78)
HDPrivateKey.parse(BytesIO(bad_zprv.encode('ascii')))
with self.assertRaises(ValueError):
bad_zpub = encode_base58_checksum(b'\x00' * 78)
HDPublicKey.parse(BytesIO(bad_zpub.encode('ascii')))
with self.assertRaises(ValueError):
priv.child(1 << 58)
with self.assertRaises(ValueError):
derived_pub.child(1 << 58)
def _pub(self, version):
'''Returns the base58-encoded x/y/z pub.
Expects a 4-byte version.'''
# get the serialization
raw = self._serialize(version)
# base58-encode the whole thing
return encode_base58_checksum(raw)
def address(self, compressed=True, testnet=False):
'''Returns address string'''
h160 = self.hash160(compressed)
prefix = b'\x00'
if testnet:
prefix = b'\x6f'
return encode_base58_checksum(prefix + h160)
def address(self, compressed=True, testnet=False):
h160 = self.hash160(compressed)
if testnet:
prefix = b"\x6f"
else:
prefix = b"\x"
return encode_base58_checksum(prefix+h160)
def address(self, testnet=False):
if testnet:
prefix = b'\xc4'
else:
prefix = b'\x05'
# return the encode_base58_checksum the prefix and h160
return encode_base58_checksum(prefix + self.hash160())
def p2pk_address(self, compressed=True, testnet=False):
sec = self.sec(compressed)
if testnet:
prefix = b'\x6f'
else:
prefix = b'\x00'
return encode_base58_checksum(prefix + sec)
def address(self, compressed=True, testnet=False):
'''Returns legacy address string'''
h160 = self.hash160(compressed)
prefix = P2PKH_MAIN_PREFIX
if testnet:
prefix = P2PKH_TEST_PREFIX
return encode_base58_checksum(prefix + h160)
def address(self, compressed=True, testnet=False):
# Returns the address string
h160 = self.hash160(compressed)
if testnet:
prefix = b'\x6f'
else:
prefix = b'\x00'
return encode_base58_checksum(prefix + h160)
def _prv(self, version):
raw = version
raw += int_to_byte(self.depth)
raw += self.parent_fingerprint
raw += int_to_big_endian(self.child_number, 4)
raw += self.chain_code
raw += int_to_big_endian(self.private_key.secret, 33)
return encode_base58_checksum(raw)
def address(self, compressed=True, testnet=False):
'''Returns the address string'''
h160 = self.hash160(compressed)
print("Address Hash160: {}".format(h160))
if testnet:
prefix = b'\x6f'
else:
prefix = b'\x00'
return encode_base58_checksum(prefix + h160)
def to_address(self, testnet=False):
# TODO maybe pass script type ?
if self.is_p2pkh_script_pubkey():
h160 = self.cmds[2]
prefix = P2PKH_TEST_PREFIX if testnet else P2PKH_MAIN_PREFIX
return Address(encode_base58_checksum(prefix + h160))
elif self.is_p2sh_script_pubkey():
h160 = self.cmds[1]
prefix = P2SH_TEST_PREFIX if testnet else P2SH_MAIN_PREFIX
return Address(encode_base58_checksum(prefix + h160))
elif self.is_p2wpkh_script_pubkey():
h160 = self.cmds[1]
return Address(h160_to_p2wpkh(h160, witver=0, testnet=testnet))
elif self.is_p2wsh_script_pubkey():
h256 = self.cmds[1]
return Address(h256_to_p2wsh(h256, witver=0, testnet=testnet))
else:
return None
def test_base58(self):
addr = '1BenRpVUFK65JFWcQSuHnJKzc4M8ZP8Eqa'
h160 = unhexlify('0074d691da1574e6b3c192ecfb52cc8984ee7b6c56')
self.assertEqual(decode_base58(addr), h160)
self.assertRaises(ValueError, decode_base58, addr+'1')
got = encode_base58_checksum(h160)
self.assertEqual(got, addr)
wif = '5HpHagT65TZzG1PH3CSu63k8DbpvD8s5ip4nEB3kEsreAnchuDf'
want = unhexlify('800000000000000000000000000000000000000000000000000000000000000001')
self.assertEqual(decode_base58(wif, num_bytes=38, strip_leading_zeros=True), want)
def wif(self, compressed=True, testnet=False):
secret_bytes = self.secret.to_bytes(32, "big")
if testnet:
prefix = b"\xef"
else:
prefix = b"\x80"
if compressed:
suffix = b"\x01"
else:
suffix = ""
return encode_base58_checksum(prefix + secret_bytes + suffix)
def address(self, compressed=True, testnet=False):
# prefix depends on address being testnet or mainnet and type of address.
if testnet:
prefix = b'\x6f'
else:
prefix = b'\x00'
# hash 160 of the sec format
h160 = self.hash160(compressed)
# combine prefix with hash 160 of sec
combined = prefix + h160
return encode_base58_checksum(combined)
def wif(self, compressed=True, testnet=False):
secret_bytes = self.secret.to_bytes(32, 'big')
if testnet:
prefix = b'\xef'
else:
prefix = b'\x80'
if compressed:
suffix = b'\x01'
else:
suffix = b''
return encode_base58_checksum(prefix + secret_bytes + suffix)
def wif(self, prefix=b'\x80'):
# convert the secret from integer to a 32-bytes in big endian using
# num.to_bytes(32, 'big')
secret_bytes = self.secret.to_bytes(32, 'big')
# append b'\x01' if compressed
if self.compressed:
suffix = b'\x01'
else:
suffix = b''
# encode_base58_checksum the whole thing
return encode_base58_checksum(prefix + secret_bytes + suffix)
def wif(self, compressed=True, testnet=False):
if testnet:
prefix = b'\xef'
else:
prefix = b'\x80'
if compressed:
postfix = b'\x01'
else:
postfix = b''
binary = self.secret.to_bytes(32, 'big')
return encode_base58_checksum(prefix + binary + postfix)
def xprv(self):
if self.testnet:
version = unhexlify('04358394')
else:
version = unhexlify('0488ADE4')
depth = bytes([self.depth])
fingerprint = self.fingerprint
child_number = self.child_number.to_bytes(4, 'big')
chain_code = self.chain_code
prv = bytes([0]) + self.private_key.secret.to_bytes(32, 'big')
return encode_base58_checksum(version + depth + fingerprint +
child_number + chain_code + prv)
def xpub(self):
if self.testnet:
version = unhexlify('043587CF')
else:
version = unhexlify('0488B21E')
depth = bytes([self.depth])
fingerprint = self.fingerprint
child_number = self.child_number.to_bytes(4, 'big')
chain_code = self.chain_code
sec = self.point.sec()
return encode_base58_checksum(version + depth + fingerprint +
child_number + chain_code + sec)
def zprv(self):
if self.testnet:
version = TESTNET_ZPRV
else:
version = MAINNET_ZPRV
depth = int_to_little_endian(self.depth, 1)
fingerprint = self.fingerprint
child_number = self.child_number.to_bytes(4, 'big')
chain_code = self.chain_code
prv = b'\x00' + self.private_key.secret.to_bytes(32, 'big')
return encode_base58_checksum(
version + depth + fingerprint + child_number + chain_code + prv)
def address(self, compressed=True, testnet=False, p2sh=True):
'''Returns the address string'''
if testnet:
prefix = b'\x6f'
else:
prefix = b'\x00'
if p2sh:
dat_address = self.hash160(compressed)
else:
dat_address = self.sec(compressed)
return encode_base58_checksum(prefix + dat_address)
def address(self, compressed=True, testnet=False):
'''Returns the address string'''
# get the sec
sec = self.sec(compressed)
# hash160 the sec
h160 = hash160(sec)
# prefix is b'\x00' for mainnet, b'\x6f' for testnet
if testnet:
prefix = b'\x6f'
else:
prefix = b'\x00'
# return the encode_base58_checksum of the prefix and h160
return encode_base58_checksum(prefix + h160)
def zpub(self):
if self.testnet:
version = TESTNET_ZPUB
else:
version = MAINNET_ZPUB
depth = int_to_little_endian(self.depth, 1)
fingerprint = self.fingerprint
child_number = self.child_number.to_bytes(4, 'big')
chain_code = self.chain_code
sec = self.point.sec()
return encode_base58_checksum(
version + depth + fingerprint + child_number +
chain_code + sec)
def address(self, compressed=True, testnet=False, p2sh=False):
'''Returns the address string'''
print(self.hash160)
h160 = self.hash160(compressed)
print(h160)
print(testnet)
print(p2sh)
if testnet and p2sh == False:
prefix = b'\x6f'
elif p2sh == True and testnet == True:
prefix = b'\xc4'
else:
prefix = b'\x00'
return encode_base58_checksum(prefix + h160)
def wif(self, compressed=True, testnet=False):
# convert the secret from integer to a 32-bytes in big endian using num.to_bytes(32, 'big')
secret_bytes = self.secret.to_bytes(32, 'big')
# prepend b'\xef' on testnet, b'\x80' on mainnet
if testnet:
prefix = b'\xef'
else:
prefix = b'\x80'
# append b'\x01' if compressed
if compressed:
suffix = b'\x01'
else:
suffix = b''
# encode_base58_checksum the whole thing
return encode_base58_checksum(prefix + secret_bytes + suffix)
def wif(self, compressed=True):
# convert the secret from integer to a 32-bytes in big endian using int_to_big_endian(x, 32)
secret_bytes = int_to_big_endian(self.secret, 32)
# prepend b'\xef' on testnet, b'\x80' on mainnet
if self.testnet:
prefix = b'\xef'
else:
prefix = b'\x80'
# append b'\x01' if compressed
if compressed:
suffix = b'\x01'
else:
suffix = b''
# encode_base58_checksum the whole thing
return encode_base58_checksum(prefix + secret_bytes + suffix)
def _prv(self, version):
'''Returns the base58-encoded x/y/z prv.
Expects a 4-byte version.'''
# version + depth + parent_fingerprint + child number + chain code + private key
# start with version, which should be a constant depending on testnet
raw = version
# add depth, which is 1 byte using int_to_byte
raw += int_to_byte(self.depth)
# add the parent_fingerprint
raw += self.parent_fingerprint
# add the child number 4 bytes using int_to_big_endian
raw += int_to_big_endian(self.child_number, 4)
# add the chain code
raw += self.chain_code
# add the 0 byte and the private key's secret in big endian, 33 bytes
raw += int_to_big_endian(self.private_key.secret, 33)
# return the whole thing base58-encoded
return encode_base58_checksum(raw)
def wif(self, compressed=True, testnet=False):
# 1 Encode the secret in 32 bytes big-endian
secret_bytes = self.secret.to_bytes(32, 'big')
# 2 For mainnet private keys start prefix with 0x80 and testnet with 0xef
if testnet:
prefix = b'\xef'
else:
prefix = b'\x80'
# 3 if SEC format used for public key is compressed add a suffix of 0x01
if compressed:
suffix = b'\x01'
else:
suffix = b''
# 4 Combine prefix + secret_bytes + suffix
# 5 Do hash256 (double sha256) of secret_combination
# 6 Take result combination and the first 4 bytes of hash256 and encoded it in Base58
return encode_base58_checksum(prefix + secret_bytes + suffix)
def handle_address(args):
wallet = Wallet.open()
public_key = wallet.private_key.point
if args.type == 'p2pkh':
return public_key.address(compressed=True, testnet=True)
elif args.type == 'p2sh':
# FIXME: hacky
from helper import encode_base58_checksum
sec = public_key.sec(compressed=True)
redeem_script = Script(cmds=[sec, 172])
raw_redeem = redeem_script.raw_serialize()
h160 = hash160(raw_redeem)
p2sh_script(h160) # FIXME
prefix = b'\xc4' # testnet
return encode_base58_checksum(prefix + h160)
elif args.type == 'p2wpkh':
return public_key.bech32_address(testnet=True)
else:
raise ValueError('unknown address type')