main: don't touch freqbot state in cleanup()

cleanup() should be only called after the main loop has been exited.
At that point the state shouldn't be modified.

freqtrade/freqtradebot.py

@@ -76,17 +76,14 @@ class FreqtradeBot(object):
         else:
             self.state = State.STOPPED
 
-    def clean(self) -> bool:
+    def cleanup(self) -> None:
         """
-        Cleanup the application state und finish all pending tasks
+        Cleanup pending resources on an already stopped bot
         :return: None
         """
-        self.rpc.send_msg('*Status:* `Stopping trader...`')
-        logger.info('Stopping trader and cleaning up modules...')
-        self.state = State.STOPPED
+        logger.info('Cleaning up modules ...')
         self.rpc.cleanup()
         persistence.cleanup()
-        return True
 
     def worker(self, old_state: State = None) -> State:
         """

freqtrade/main.py

@@ -55,7 +55,8 @@ def main(sysargv: List[str]) -> None:
         logger.exception('Fatal exception!')
     finally:
         if freqtrade:
-            freqtrade.clean()
+            freqtrade.rpc.send_msg('*Status:* `Stopping trader...`')
+            freqtrade.cleanup()
         sys.exit(return_code)
 
 

freqtrade/tests/test_freqtradebot.py

@@ -68,7 +68,7 @@ def test_freqtradebot_object() -> None:
     Test the FreqtradeBot object has the mandatory public methods
     """
     assert hasattr(FreqtradeBot, 'worker')
-    assert hasattr(FreqtradeBot, 'clean')
+    assert hasattr(FreqtradeBot, 'cleanup')
     assert hasattr(FreqtradeBot, 'create_trade')
     assert hasattr(FreqtradeBot, 'get_target_bid')
     assert hasattr(FreqtradeBot, 'process_maybe_execute_buy')
@@ -93,7 +93,7 @@ def test_freqtradebot(mocker, default_conf) -> None:
     assert freqtrade.state is State.STOPPED
 
 
-def test_clean(mocker, default_conf, caplog) -> None:
+def test_cleanup(mocker, default_conf, caplog) -> None:
     """
     Test clean() method
     """
@@ -101,11 +101,8 @@ def test_clean(mocker, default_conf, caplog) -> None:
     mocker.patch('freqtrade.persistence.cleanup', mock_cleanup)
 
     freqtrade = get_patched_freqtradebot(mocker, default_conf)
-    assert freqtrade.state == State.RUNNING
-
-    assert freqtrade.clean()
-    assert freqtrade.state == State.STOPPED
-    assert log_has('Stopping trader and cleaning up modules...', caplog.record_tuples)
+    freqtrade.cleanup()
+    assert log_has('Cleaning up modules ...', caplog.record_tuples)
     assert mock_cleanup.call_count == 1
 
 

freqtrade/tests/test_main.py

@@ -70,7 +70,7 @@ def test_main_fatal_exception(mocker, default_conf, caplog) -> None:
         'freqtrade.freqtradebot.FreqtradeBot',
         _init_modules=MagicMock(),
         worker=MagicMock(side_effect=Exception),
-        clean=MagicMock(),
+        cleanup=MagicMock(),
     )
     mocker.patch(
         'freqtrade.configuration.Configuration._load_config_file',
@@ -97,7 +97,7 @@ def test_main_keyboard_interrupt(mocker, default_conf, caplog) -> None:
         'freqtrade.freqtradebot.FreqtradeBot',
         _init_modules=MagicMock(),
         worker=MagicMock(side_effect=KeyboardInterrupt),
-        clean=MagicMock(),
+        cleanup=MagicMock(),
     )
     mocker.patch(
         'freqtrade.configuration.Configuration._load_config_file',
@@ -124,7 +124,7 @@ def test_main_operational_exception(mocker, default_conf, caplog) -> None:
         'freqtrade.freqtradebot.FreqtradeBot',
         _init_modules=MagicMock(),
         worker=MagicMock(side_effect=OperationalException('Oh snap!')),
-        clean=MagicMock(),
+        cleanup=MagicMock(),
     )
     mocker.patch(
         'freqtrade.configuration.Configuration._load_config_file',