tinychain.py 文件源码

def init_wallet(path=None):
    path = path or WALLET_PATH

    if os.path.exists(path):
        with open(path, 'rb') as f:
            signing_key = ecdsa.SigningKey.from_string(
                f.read(), curve=ecdsa.SECP256k1)
    else:
        logger.info(f"generating new wallet: '{path}'")
        signing_key = ecdsa.SigningKey.generate(curve=ecdsa.SECP256k1)
        with open(path, 'wb') as f:
            f.write(signing_key.to_string())

    verifying_key = signing_key.get_verifying_key()
    my_address = pubkey_to_address(verifying_key.to_string())
    logger.info(f"your address is {my_address}")

    return signing_key, verifying_key, my_address


# Misc. utilities
# ----------------------------------------------------------------------------