/delete should Cancel open orders (and stoploss orders)

freqtrade/rpc/rpc.py

@@ -11,9 +11,9 @@ from typing import Any, Dict, List, Optional, Tuple
 import arrow
 from numpy import NAN, mean
 
-from freqtrade.exceptions import ExchangeError, PricingError
+from freqtrade.exceptions import (ExchangeError, InvalidOrderException,
-
+                                  PricingError)
-from freqtrade.exchange import timeframe_to_msecs, timeframe_to_minutes
+from freqtrade.exchange import timeframe_to_minutes, timeframe_to_msecs
 from freqtrade.misc import shorten_date
 from freqtrade.persistence import Trade
 from freqtrade.rpc.fiat_convert import CryptoToFiatConverter
@@ -541,24 +541,42 @@ class RPC:
     def _rpc_delete(self, trade_id: str) -> Dict[str, str]:
         """
         Handler for delete <id>.
-        Delete the given trade
+        Delete the given trade and close eventually existing open orders.
         """
-        def _exec_delete(trade: Trade) -> None:
-            Trade.session.delete(trade)
-            Trade.session.flush()
-
         with self._freqtrade._sell_lock:
-            trade = Trade.get_trades(
+            c_count = 0
-                trade_filter=[Trade.id == trade_id, ]
+            trade = Trade.get_trades(trade_filter=[Trade.id == trade_id]).first()
-            ).first()
             if not trade:
-                logger.warning('delete: Invalid argument received')
+                logger.warning('delete trade: Invalid argument received')
                 raise RPCException('invalid argument')
 
-            _exec_delete(trade)
+            # Try cancelling regular order if that exists
+            if trade.open_order_id:
+                try:
+                    self._freqtrade.exchange.cancel_order(trade.open_order_id, trade.pair)
+                    c_count += 1
+                except (ExchangeError, InvalidOrderException):
+                    pass
+
+            # cancel stoploss on exchange ...
+            if (self._freqtrade.strategy.order_types.get('stoploss_on_exchange')
+                    and trade.stoploss_order_id):
+                try:
+                    self._freqtrade.exchange.cancel_stoploss_order(trade.stoploss_order_id,
+                                                                   trade.pair)
+                    c_count += 1
+                except (ExchangeError, InvalidOrderException):
+                    pass
+
+            Trade.session.delete(trade)
             Trade.session.flush()
             self._freqtrade.wallets.update()
-            return {'result_msg': f'Deleted trade {trade_id}.'}
+            return {
+                'result': 'success',
+                'trade_id': trade_id,
+                'result_msg': f'Deleted trade {trade_id}. Closed {c_count} open orders.',
+                'cancel_order_count': c_count,
+            }
 
     def _rpc_performance(self) -> List[Dict[str, Any]]:
         """

tests/rpc/test_rpc.py

@@ -8,7 +8,7 @@ import pytest
 from numpy import isnan
 
 from freqtrade.edge import PairInfo
-from freqtrade.exceptions import ExchangeError, TemporaryError
+from freqtrade.exceptions import ExchangeError, InvalidOrderException, TemporaryError
 from freqtrade.persistence import Trade
 from freqtrade.rpc import RPC, RPCException
 from freqtrade.rpc.fiat_convert import CryptoToFiatConverter
@@ -291,6 +291,61 @@ def test_rpc_trade_history(mocker, default_conf, markets, fee):
     assert trades['trades'][0]['pair'] == 'XRP/BTC'
 
 
+def test_rpc_delete_trade(mocker, default_conf, fee, markets, caplog):
+    mocker.patch('freqtrade.rpc.telegram.Telegram', MagicMock())
+    stoploss_mock = MagicMock()
+    cancel_mock = MagicMock()
+    mocker.patch.multiple(
+        'freqtrade.exchange.Exchange',
+        markets=PropertyMock(return_value=markets),
+        cancel_order=cancel_mock,
+        cancel_stoploss_order=stoploss_mock,
+    )
+
+    freqtradebot = get_patched_freqtradebot(mocker, default_conf)
+    freqtradebot.strategy.order_types['stoploss_on_exchange'] = True
+    create_mock_trades(fee)
+    rpc = RPC(freqtradebot)
+    with pytest.raises(RPCException, match='invalid argument'):
+        rpc._rpc_delete('200')
+
+    create_mock_trades(fee)
+    trades = Trade.query.all()
+    trades[1].stoploss_order_id = '1234'
+    trades[2].stoploss_order_id = '1234'
+    assert len(trades) > 2
+
+    res = rpc._rpc_delete('1')
+    assert isinstance(res, dict)
+    assert res['result'] == 'success'
+    assert res['trade_id'] == '1'
+    assert res['cancel_order_count'] == 1
+    assert cancel_mock.call_count == 1
+    assert stoploss_mock.call_count == 0
+    cancel_mock.reset_mock()
+    stoploss_mock.reset_mock()
+
+    res = rpc._rpc_delete('2')
+    assert isinstance(res, dict)
+    assert cancel_mock.call_count == 1
+    assert stoploss_mock.call_count == 1
+    assert res['cancel_order_count'] == 2
+
+    stoploss_mock = mocker.patch('freqtrade.exchange.Exchange.cancel_stoploss_order',
+                                 side_effect=InvalidOrderException)
+
+    res = rpc._rpc_delete('3')
+    assert stoploss_mock.call_count == 1
+    stoploss_mock.reset_mock()
+
+    cancel_mock = mocker.patch('freqtrade.exchange.Exchange.cancel_order',
+                               side_effect=InvalidOrderException)
+
+    res = rpc._rpc_delete('4')
+    assert cancel_mock.call_count == 1
+    assert stoploss_mock.call_count == 0
+
+
 def test_rpc_trade_statistics(default_conf, ticker, ticker_sell_up, fee,
                               limit_buy_order, limit_sell_order, mocker) -> None:
     mocker.patch.multiple(