testvectors.py 文件源码

def b58xpub(parent_fingerprint, public_key, chain, depth, childnr):
    raw = ('\x04\x88\xb2\x1e' +
              chr(depth) + parent_fingerprint + int_to_string(childnr, 4) +
              chain + public_key)
    return b58encode_check(raw)