crypto.py 文件源码

def from_b58check(private_key):
        """ Decodes a Base58Check encoded private-key.

        Args:
            private_key (str): A Base58Check encoded private key.

        Returns:
            PrivateKey: A PrivateKey object
        """
        b58dec = base58.b58decode_check(private_key)
        version = b58dec[0]
        assert version in [PrivateKey.TESTNET_VERSION,
                           PrivateKey.MAINNET_VERSION]

        return PrivateKey(int.from_bytes(b58dec[1:], 'big'))