bitcoin_utils.py 文件源码

def parse_as_public_pair(s):
    try:
        if s[:2] in (["02", "03", "04"]):
            return encoding.sec_to_public_pair(h2b(s))
    except (encoding.EncodingError, binascii.Error):
        pass
    for c in ",/":
        if c in s:
            s0, s1 = s.split(c, 1)
            v0 = parse_as_number(s0)
            if v0:
                if s1 in ("even", "odd"):
                    return ecdsa.public_pair_for_x(ecdsa.generator_secp256k1, v0, is_even=(s1=='even'))
                v1 = parse_as_number(s1)
                if v1:
                    if not ecdsa.is_public_pair_valid(ecdsa.generator_secp256k1, (v0, v1)):
                        sys.stderr.write("invalid (x, y) pair\n")
                        sys.exit(1)
                    return (v0, v1)