pyflo/pybtc/address.py
2018-06-18 10:49:23 +04:00

133 lines
4.7 KiB
Python

from .tools import *
class PrivateKey():
def __init__(self, key=None, compressed=True, testnet=False):
if key is None:
self.compressed = compressed
self.testnet = testnet
self.raw_key = create_private_key()
else:
if type(key) == str:
try:
key = unhexlify(key)
except:
pass
if type(key) == bytes:
assert len(key) == 32
self.raw_key = key
self.compressed = compressed
self.testnet = testnet
return
assert type(key) == str
self.raw_key = wif_to_private_key(key)
if key[0] in (MAINNET_PRIVATE_KEY_UNCOMPRESSED_PREFIX,
TESTNET_PRIVATE_KEY_UNCOMPRESSED_PREFIX):
self.compressed = False
else:
self.compressed = True
if key[0] in (TESTNET_PRIVATE_KEY_UNCOMPRESSED_PREFIX,
TESTNET_PRIVATE_KEY_COMPRESSED_PREFIX):
self.testnet = True
else:
self.testnet = False
def hex(self):
return hexlify(self.raw_key).decode()
def wif(self, compressed=None, testnet=None):
if compressed is None:
compressed = self.compressed
if testnet is None:
testnet = self.testnet
return private_key_to_wif(self.raw_key, compressed, testnet)
def __str__(self):
return self.wif()
class PublicKey():
def __init__(self, key=None):
if type(key) == str:
try:
key = unhexlify(key)
except:
pass
if type(key) == PrivateKey:
key = private_to_public_key(key.raw_key,
compressed=key.compressed)
assert type(key) == bytes
assert len(key) == 33 or len(key) == 65
if len(key) == 33:
self.compressed = True
else:
self.compressed = False
self.raw_key = key
def hex(self):
return hexlify(self.raw_key).decode()
def __str__(self):
return hex()
class Address():
def __init__(self, key=None,
address_type="P2WPKH", testnet=False, compressed=True):
if key is None:
self.private_key = PrivateKey(testnet=testnet,
compressed=compressed)
self.public_key = PublicKey(self.private_key)
self.testnet = testnet
elif type(key) == PrivateKey:
self.private_key = key
self.testnet = key.testnet
compressed = key.compressed
self.public_key = PublicKey(self.private_key)
elif type(key) == PublicKey:
self.public_key = key
self.testnet = testnet
compressed = key.compressed
assert address_type in ("P2PKH", "PUBKEY", "P2WPKH", "P2SH_P2WPKH")
if not compressed:
assert address_type in ("P2PKH", "PUBKEY")
self.type = address_type
if address_type in ("P2WPKH"):
self.witness_version = 0
else:
self.witness_version = None
self.compressed = compressed
if address_type == "P2SH_P2WPKH":
self.script_hash = True
self.redeem_script_raw = public_key_to_p2sh_p2wpkh_script(self.public_key.raw_key)
self.redeem_script = hexlify(self.redeem_script_raw).decode()
self.hash = hash160(self.redeem_script_raw)
else:
self.script_hash = False
self.hash = hash160(self.public_key.raw_key)
self.address = hash_to_address(self.hash,
script_hash=self.script_hash,
witness_version=self.witness_version,
testnet=self.testnet)
def __str__(self):
return self.address
class ScriptAddress():
def __init__(self, script, address_type="P2SH",
testnet=False, witness_version=None):
self.witness_version = witness_version
self.testnet = testnet
if type(script) == str:
script = unhexlify(script)
self.script_raw = script
self.script = hexlify(self.script_raw).decode()
self.hash = hash160(self.script_raw)
self.script_opcodes = decode_script(self.script_raw)
self.script_opcodes_asm = decode_script(self.script_raw, 1)
self.address = hash_to_address(self.hash,
script_hash=True,
witness_version=self.witness_version,
testnet=self.testnet)