def parse(cls, s):
'''Returns a HDPublicKey from an extended key string'''
# get the bytes from the base58 using raw_decode_base58
raw = raw_decode_base58(s)
# check that the length of the raw is 78 bytes, otherwise raise ValueError
if len(raw) != 78:
raise ValueError('Not a proper extended key')
# create a stream
stream = BytesIO(raw)
# return the raw parsing of the stream
return cls.raw_parse(stream)
def parse(cls, wif):
'''Converts WIF to a PrivateKey object'''
raw = raw_decode_base58(wif)
if len(raw) == 34: # compressed
if raw[-1] != 1:
raise ValueError('Invalid WIF')
raw = raw[:-1]
secret = big_endian_to_int(raw[1:])
if raw[0] == 0xef:
testnet = True
elif raw[0] == 0x80:
testnet = False
else:
raise ValueError('Invalid WIF')
return cls(secret, testnet=testnet)
def parse(cls, s):
raw = raw_decode_base58(s.read(111), num_bytes=82)
version = raw[:4]
if version in (TESTNET_XPUB, TESTNET_YPUB, TESTNET_ZPUB):
testnet = True
elif version in (MAINNET_XPUB, MAINNET_YPUB, MAINNET_ZPUB):
testnet = False
else:
raise ValueError('not an xpub, ypub or zpub: {}'.format(version))
depth = raw[4]
fingerprint = raw[5:9]
child_number = int.from_bytes(raw[9:13], 'big')
chain_code = raw[13:45]
point = S256Point.parse(raw[45:])
return cls(
point=point,
chain_code=chain_code,
depth=depth,
fingerprint=fingerprint,
child_number=child_number,
testnet=testnet,
)
def parse(cls, s):
raw = raw_decode_base58(s.read(111), num_bytes=82)
version = raw[:4]
if version in (TESTNET_XPRV, TESTNET_YPRV, TESTNET_ZPRV):
testnet = True
elif version in (MAINNET_XPRV, MAINNET_YPRV, MAINNET_ZPRV):
testnet = False
else:
raise ValueError('not an xprv, yprv or zprv: {}'.format(version))
depth = raw[4]
fingerprint = raw[5:9]
child_number = int.from_bytes(raw[9:13], 'big')
chain_code = raw[13:45]
private_key = PrivateKey(secret=int.from_bytes(raw[46:], 'big'))
return cls(
private_key=private_key,
chain_code=chain_code,
depth=depth,
fingerprint=fingerprint,
child_number=child_number,
testnet=testnet,
)
def xpub_parse(cls, s):
raw = raw_decode_base58(s)
if len(raw) != 78:
raise ValueError('Not a proper extended key')
stream = BytesIO(raw)
return cls.raw_parse(stream)