[Exchanges] add closed position & instant trigger error

Trading/Exchange/binance/binance_exchange.py

@@ -81,6 +81,15 @@ class Binance(exchanges.RestExchange):
         # Binance ex: InvalidOrder binance {"code":-2010,"msg":"This symbol is not permitted for this account."}
         ("symbol", "not permitted", "for this account"),
     ]
+    # text content of errors due to a closed position on the exchange. Relevant for reduce-only orders
+    EXCHANGE_CLOSED_POSITION_ERRORS: typing.List[typing.Iterable[str]] = [
+        # doesn't seem to happen on binance
+    ]
+    # text content of errors due to an order that would immediately trigger if created. Relevant for stop losses
+    EXCHANGE_ORDER_IMMEDIATELY_TRIGGER_ERRORS: typing.List[typing.Iterable[str]] = [
+        # binance {"code":-2021,"msg":"Order would immediately trigger."}
+        ("order would immediately trigger", )
+    ]
 
     BUY_STR = "BUY"
     SELL_STR = "SELL"

Trading/Exchange/kucoin/kucoin_exchange.py

@@ -128,6 +128,15 @@ class Kucoin(exchanges.RestExchange):
         # 'kucoin The order does not exist.'
         ("order does not exist",),
     ]
+    # text content of errors due to a closed position on the exchange. Relevant for reduce-only orders
+    EXCHANGE_CLOSED_POSITION_ERRORS: typing.List[typing.Iterable[str]] = [
+        # 'kucoinfutures No open positions to close.'
+        ("No open positions to close", )
+    ]
+    # text content of errors due to an order that would immediately trigger if created. Relevant for stop losses
+    EXCHANGE_ORDER_IMMEDIATELY_TRIGGER_ERRORS: typing.List[typing.Iterable[str]] = [
+        # doesn't seem to happen on kucoin
+    ]
 
     DEFAULT_BALANCE_CURRENCIES_TO_FETCH = ["USDT"]
 

Trading/Mode/remote_trading_signals_trading_mode/remote_trading_signals_trading.py

@@ -309,7 +309,11 @@ async def _chain_order(self, order_description, created_orders, ignored_orders,
             base_order, chained_order, chained_order.update_with_triggering_order_fees, False
         )
         if base_order.state is not None and base_order.is_filled() and chained_order.should_be_created():
-            await personal_data.create_as_chained_order(chained_order)
+            try:
+                await personal_data.create_as_chained_order(chained_order)
+            except errors.OctoBotExchangeError as err:
+                # todo later on: handle locale error if necessary
+                self.logger.error(f"Failed to create chained order: {chained_order}: {err}")
             return 1
         return 0