def is_zerocoin(uniqueness):
    ulen = len(uniqueness)
    if (ulen == 32):
        return True
    if (ulen == 36):
        return False
    raise Exception(('Wrong uniqueness len: %d' % ulen))
def is_zerocoin(uniqueness):
    ulen = len(uniqueness)
    if (ulen == 32):
        return True
    if (ulen == 36):
        return False
    raise Exception(('Wrong uniqueness len: %d' % ulen))