Cancel all open orders after receiving /stop or ctrl+c

tests/test_arguments.py

@@ -64,6 +64,14 @@ def test_parse_args_db_url() -> None:
     assert args["db_url"] == 'sqlite:///test.sqlite'
 
 
+def test_parse_args_cancel_open_orders_on_exit() -> None:
+    args = Arguments(['trade']).get_parsed_arg()
+    assert args["cancel_open_orders_on_exit"] is False
+
+    args = Arguments(['trade', '--cancel-open-orders-on-exit']).get_parsed_arg()
+    assert args["cancel_open_orders_on_exit"] is True
+
+
 def test_parse_args_verbose() -> None:
     args = Arguments(['trade', '-v']).get_parsed_arg()
     assert args["verbosity"] == 1