+ re-added old pow system as a different class for things like ed25519 keys

* no longer run communicator threads if they need peers and we have none connected

onionr/onionr.py

@@ -25,7 +25,7 @@ import sys
 if sys.version_info[0] == 2 or sys.version_info[1] < 5:
     print('Error, Onionr requires Python 3.4+')
     sys.exit(1)
-import os, base64, random, getpass, shutil, subprocess, requests, time, platform, datetime, re, json, getpass
+import os, base64, random, getpass, shutil, subprocess, requests, time, platform, datetime, re, json, getpass, sqlite3
 from threading import Thread
 import api, core, config, logger, onionrplugins as plugins, onionrevents as events
 import onionrutils
@@ -604,7 +604,11 @@ class Onionr:
         try:
             events.event('daemon_stop', onionr = self)
             net = NetController(config.get('client.port', 59496))
-            self.onionrCore.daemonQueueAdd('shutdown')
+            try:
+                self.onionrCore.daemonQueueAdd('shutdown')
+            except sqlite3.OperationalError:
+                pass
+
             net.killTor()
         except Exception as e:
             logger.error('Failed to shutdown daemon.', error = e, timestamp = False)