api.py 文件源码

 复制代码def ecdsa_priv2pub(
        privkey: bytes,
        to_bytes: bool = True
) -> Union[bytes, Tuple[int]]:
    """
    Returns the public component of an ECDSA private key.

    :param privkey: Private key as an int or bytestring
    :param to_bytes: Serialize to bytes or not?

    :return: Byte encoded or Tuple[int] ECDSA pubkey
    """
    pubkey = privtopub(privkey)
    if to_bytes:
        return SIG_KEYPAIR_BYTE + PUB_KEY_BYTE + ecdsa_pub2bytes(pubkey)
    return pubkey