Add partial cancel message

freqtrade/freqtradebot.py

@@ -1416,11 +1416,24 @@ class FreqtradeBot(LoggingMixin):
             minstake = self.exchange.get_min_pair_stake_amount(
                 trade.pair, trade.open_rate, self.strategy.stoploss)
             # Double-check remaining amount
-            if filled_val > 0 and minstake and filled_rem_stake < minstake:
-                logger.warning(
-                    f"Order {trade.open_order_id} for {trade.pair} not cancelled, "
-                    f"as the filled amount of {filled_val} would result in an unexitable trade.")
-                return False
+            if filled_val > 0:
+                reason = constants.CANCEL_REASON['PARTIALLY_FILLED']
+                if minstake and filled_rem_stake < minstake:
+                    logger.warning(
+                        f"Order {trade.open_order_id} for {trade.pair} not cancelled, "
+                        f"as the filled amount of {filled_val} would result in an unexitable trade.")
+                    reason = constants.CANCEL_REASON['PARTIALLY_FILLED_KEEP_OPEN']
+
+                    order_obj = trade.select_order_by_order_id(order['id'])
+                    if not order_obj:
+                        raise DependencyException(
+                            f"Order_obj not found for {order['id']}. This should not have happened.")
+                    self._notify_exit_cancel(
+                        trade,
+                        order_type=self.strategy.order_types['exit'],
+                        reason=reason, order=order_obj, sub_trade=trade.amount != order['amount']
+                    )
+                    return False
 
             try:
                 co = self.exchange.cancel_order_with_result(trade.open_order_id, trade.pair,

tests/test_freqtradebot.py

@@ -3111,6 +3111,9 @@ def test_handle_cancel_exit_limit(mocker, default_conf_usdt, fee) -> None:
         cancel_order=cancel_order_mock,
     )
     mocker.patch('freqtrade.exchange.Exchange.get_rate', return_value=0.245441)
+    mocker.patch('freqtrade.exchange.Exchange.get_min_pair_stake_amount', return_value=0.2)
+
+    mocker.patch('freqtrade.freqtradebot.FreqtradeBot.handle_order_fee')
 
     freqtrade = FreqtradeBot(default_conf_usdt)
 
@@ -3178,7 +3181,9 @@ def test_handle_cancel_exit_limit(mocker, default_conf_usdt, fee) -> None:
 
     send_msg_mock.reset_mock()
 
+    # Partial exit - below exit threshold
     order['amount'] = 2
+    order['filled'] = 1.9
     assert not freqtrade.handle_cancel_exit(trade, order, reason)
     # Assert cancel_order was not called (callcount remains unchanged)
     assert cancel_order_mock.call_count == 1
@@ -3188,12 +3193,21 @@ def test_handle_cancel_exit_limit(mocker, default_conf_usdt, fee) -> None:
 
     assert not freqtrade.handle_cancel_exit(trade, order, reason)
 
-    send_msg_mock.call_args_list[0][0][0]['reason'] = CANCEL_REASON['PARTIALLY_FILLED_KEEP_OPEN']
+    assert (send_msg_mock.call_args_list[0][0][0]['reason']
+            == CANCEL_REASON['PARTIALLY_FILLED_KEEP_OPEN'])
 
     # Message should not be iterated again
     assert trade.exit_order_status == CANCEL_REASON['PARTIALLY_FILLED_KEEP_OPEN']
     assert send_msg_mock.call_count == 1
 
+    send_msg_mock.reset_mock()
+
+    order['filled'] = 1
+    assert freqtrade.handle_cancel_exit(trade, order, reason)
+    assert send_msg_mock.call_count == 1
+    assert (send_msg_mock.call_args_list[0][0][0]['reason']
+            == CANCEL_REASON['PARTIALLY_FILLED'])
+
 
 def test_handle_cancel_exit_cancel_exception(mocker, default_conf_usdt) -> None:
     patch_RPCManager(mocker)