api.py 文件源码

def ecdsa_verify(
        v: int,
        r: int,
        s: int,
        msghash: bytes,
        pubkey: Union[bytes, Tuple[int, int]]
) -> bool:
    """
    Takes a v, r, s, a pubkey, and a hash of a message to verify via ECDSA.

    :param v: V of sig
    :param r: R of sig
    :param s: S of sig
    :param bytes msghash: The hashed message to verify
    :param bytes pubkey: Pubkey to validate signature for

    :rtype: Boolean
    :return: Is the signature valid or not?
    """
    if bytes == type(pubkey):
        pubkey = ecdsa_bytes2pub(pubkey)

    verify_sig = ecdsa_raw_recover(msghash, (v, r, s))
    # TODO: Should this equality test be done better?
    return verify_sig == pubkey