libtorrent python binding test signature

main.py

#!/usr/bin/env python3

import sys
import time

import nacl
from nacl.signing import SigningKey, VerifyKey
import libtorrent as lt

if __name__ == '__main__':
    port = 6880
    seed_hex = ''
    pub_key: [bytes] = None
    sec_key: [bytes] = None
    if len(sys.argv) > 1:
        if sys.argv[1] in ["-p"]:
            port = int(sys.argv[2])
            seed_hex = '829ee32a86b93d3766df28d8d77069fdc04e05b17fb095043c72a56d846d0372'

    if seed_hex:
        signing = SigningKey(bytes.fromhex(seed_hex))
        pub_key = signing.verify_key.encode()
        sec_key = signing._signing_key
        print("pub_key: ", pub_key.hex())
        print("sec_key: ",sec_key.hex())
        singed = signing.sign("4:abcd".encode())
        print(singed.hex())
        try:
            if signing.verify_key.verify("4:abcd".encode(), singed.signature):
                print("verifyed!")
        except nacl.exceptions.BadSignatureError:
            print("invalid signature")

    ses = lt.session({'listen_interfaces': "%s:%d" % ("127.0.0.1", port),
                      'dht_bootstrap_nodes': ''})

    ses.add_extension(lt.create_ut_pex_plugin)
    ses.add_extension(lt.create_ut_metadata_plugin)
    ses.add_extension(lt.create_smart_ban_plugin)

    ses.add_dht_node(("127.0.0.1", port ^ 1))

    ses.set_alert_mask(lt.alert_category.dht_log)

    while (True):
        alerts = ses.pop_alerts()
        for a in alerts:
            print(a)
        if pub_key and sec_key:
            ses.dht_put_mutable_item(sec_key, pub_key, "abcd", "")
            # ses.dht_put_mutable_item(pub_key, sec_key, "abcd", "")
        time.sleep(2)