fix missing added_on for torrent files

lbry/file/source.py

@@ -1,5 +1,6 @@
 import os
 import asyncio
+import time
 import typing
 import logging
 import binascii
@@ -43,7 +44,7 @@ class ManagedDownloadSource:
         self.rowid = rowid
         self.content_fee = content_fee
         self.purchase_receipt = None
-        self._added_on = added_on
+        self._added_on = added_on or int(time.time())
         self.analytics_manager = analytics_manager
         self.downloader = None
 

tests/integration/datanetwork/test_file_commands.py

@@ -1,3 +1,4 @@
+import time
 import unittest
 from unittest import skipIf
 import asyncio
@@ -81,7 +82,9 @@ class FileCommands(CommandTestCase):
         # second call, see its there and move on
         self.assertNotIn('error', await self.out(self.daemon.jsonrpc_get('torrent')))
         self.assertItemCount(await self.daemon.jsonrpc_file_list(), 1)
-        self.assertEqual((await self.daemon.jsonrpc_file_list())['items'][0].identifier, btih)
+        file = (await self.daemon.jsonrpc_file_list())['items'][0]
+        self.assertEqual(btih, file.identifier)
+        self.assertAlmostEqual(time.time(), file.added_on, delta=2)
         self.assertIn(btih, self.client_session._handles)
 
         # stream over streaming API (full range of the largest file)