Populate knownnodes from inventory when singleWorker starts

src/class_objectProcessor.py

@@ -176,6 +176,7 @@ class objectProcessor(threading.Thread):
             return
         peer = Peer(host, port)
         with knownnodes.knownNodesLock:
+            # FIXME: adjust expirestime
             knownnodes.addKnownNode(
                 stream, peer, is_self=state.ownAddresses.get(peer))
 

src/class_singleWorker.py

@@ -17,6 +17,7 @@ import helper_inbox
 import helper_msgcoding
 import helper_random
 import highlevelcrypto
+import knownnodes
 import l10n
 import proofofwork
 import protocol
@@ -114,6 +115,15 @@ class singleWorker(StoppableThread):
                 )
                 del state.ackdataForWhichImWatching[oldack]
 
+        # For the case if user deleted knownnodes
+        # but is still having onionpeer objects in inventory
+        if not knownnodes.knownNodesActual:
+            for item in Inventory().by_type_and_tag(protocol.OBJECT_ONIONPEER):
+                queues.objectProcessorQueue.put((
+                    protocol.OBJECT_ONIONPEER, item.payload
+                ))
+                # FIXME: should also delete from inventory
+
         # give some time for the GUI to start
         # before we start on existing POW tasks.
         self.stop.wait(10)

src/storage/sqlite.py

@@ -70,15 +70,23 @@ class SqliteInventory(InventoryStorage):  # pylint: disable=too-many-ancestors
             return len(self._inventory) + sqlQuery(
                 'SELECT count(*) FROM inventory')[0][0]
 
-    def by_type_and_tag(self, objectType, tag):
-        """Return objects filtered by object type and tag"""
+    def by_type_and_tag(self, objectType, tag=None):
+        """
+        Get all inventory items of certain *objectType*
+        with *tag* if given.
+        """
+        query = [
+            'SELECT objecttype, streamnumber, payload, expirestime, tag'
+            ' FROM inventory WHERE objecttype=?', objectType]
+        if tag:
+            query[0] += ' AND tag=?'
+            query.append(sqlite3.Binary(tag))
         with self.lock:
-            values = [value for value in self._inventory.values()
-                      if value.type == objectType and value.tag == tag]
-            values += (InventoryItem(*value) for value in sqlQuery(
-                'SELECT objecttype, streamnumber, payload, expirestime, tag'
-                ' FROM inventory WHERE objecttype=? AND tag=?',
-                objectType, sqlite3.Binary(tag)))
+            values = [
+                value for value in self._inventory.values()
+                if value.type == objectType
+                and tag is None or value.tag == tag
+            ] + [InventoryItem(*value) for value in sqlQuery(*query)]
             return values
 
     def unexpired_hashes_by_stream(self, stream):