keys.py 文件源码

def __init__(self, private_key=0):
        if private_key == 0:
            self.private_key = os.urandom(32)
            self.printable_pk = str(binascii.hexlify(self.private_key), "ascii")
        else:
            self.printable_pk = private_key
            self.private_key = binascii.unhexlify(private_key.encode('ascii'))


        self.sk = ecdsa.SigningKey.from_string(self.private_key, curve = ecdsa.SECP256k1)
        self.vk = self.sk.verifying_key
        self.public_key =  b"04" + binascii.hexlify(self.vk.to_string())
        ripemd160 = hashlib.new('ripemd160')
        ripemd160.update(hashlib.sha256(binascii.unhexlify(self.public_key)).digest())
        self.hashed_public_key = b"00" + binascii.hexlify(ripemd160.digest())
        self.checksum = binascii.hexlify(hashlib.sha256(hashlib.sha256(binascii.unhexlify(self.hashed_public_key)).digest()).digest()[:4])
        self.binary_addr = binascii.unhexlify(self.hashed_public_key + self.checksum)
        self.addr = base58.b58encode(self.binary_addr)