Use threading event in main loop.

bin/basicswap_run.py

@@ -1,14 +1,13 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 
-# Copyright (c) 2019-2022 tecnovert
+# Copyright (c) 2019-2023 tecnovert
 # Distributed under the MIT software license, see the accompanying
 # file LICENSE or http://www.opensource.org/licenses/mit-license.php.
 
 import os
 import sys
 import json
-import time
 import shutil
 import signal
 import logging
@@ -210,8 +209,7 @@ def runClient(fp, data_dir, chain):
             swap_client.ws_server.run_forever(threaded=True)
 
         logger.info('Exit with Ctrl + c.')
-        while swap_client.is_running:
-            time.sleep(0.5)
+        while not swap_client.delay_event.wait(0.5):
             swap_client.update()
 
     except Exception as ex: