Add time_in_force for kucoin

docs/configuration.md

@@ -444,8 +444,8 @@ The possible values are: `gtc` (default), `fok` or `ioc`.
 ```
 
 !!! Warning
-    This is ongoing work. For now, it is supported only for binance.
-    Please don't change the default value unless you know what you are doing and have researched the impact of using different values.
+    This is ongoing work. For now, it is supported only for binance and kucoin.
+    Please don't change the default value unless you know what you are doing and have researched the impact of using different values for your particular exchange.
 
 ### Exchange configuration
 

docs/exchanges.md

@@ -4,6 +4,9 @@ This page combines common gotchas and informations which are exchange-specific a
 
 ## Binance
 
+Binance supports [time_in_force](configuration.md#understand-order_time_in_force).
+
+
 !!! Tip "Stoploss on Exchange"
     Binance supports `stoploss_on_exchange` and uses stop-loss-limit orders. It provides great advantages, so we recommend to benefit from it.
 
@@ -115,6 +118,8 @@ Kucoin requires a passphrase for each api key, you will therefore need to add th
     "password": "your_exchange_api_key_password",
 ```
 
+Kucoin supports [time_in_force](configuration.md#understand-order_time_in_force).
+
 ### Kucoin Blacklists
 
 For Kucoin, please add `"KCS/<STAKE>"` to your blacklist to avoid issues.

freqtrade/exchange/binance.py

@@ -18,6 +18,7 @@ class Binance(Exchange):
     _ft_has: Dict = {
         "stoploss_on_exchange": True,
         "order_time_in_force": ['gtc', 'fok', 'ioc'],
+        "time_in_force_parameter": "timeInForce",
         "ohlcv_candle_limit": 1000,
         "trades_pagination": "id",
         "trades_pagination_arg": "fromId",

freqtrade/exchange/exchange.py

@@ -63,6 +63,7 @@ class Exchange:
     _ft_has_default: Dict = {
         "stoploss_on_exchange": False,
         "order_time_in_force": ["gtc"],
+        "time_in_force_parameter": "timeInForce",
         "ohlcv_params": {},
         "ohlcv_candle_limit": 500,
         "ohlcv_partial_candle": True,
@@ -723,7 +724,8 @@ class Exchange:
 
         params = self._params.copy()
         if time_in_force != 'gtc' and ordertype != 'market':
-            params.update({'timeInForce': time_in_force})
+            param = self._ft_has.get('time_in_force_parameter', '')
+            params.update({param: time_in_force})
 
         try:
             # Set the precision for amount and price(rate) as accepted by the exchange

freqtrade/exchange/kucoin.py

@@ -21,4 +21,6 @@ class Kucoin(Exchange):
     _ft_has: Dict = {
         "l2_limit_range": [20, 100],
         "l2_limit_range_required": False,
+        "order_time_in_force": ['gtc', 'fok', 'ioc'],
+        "time_in_force_parameter": "timeInForce",
     }