Added set leverage to create_order

freqtrade/exchange/exchange.py

@@ -771,12 +771,13 @@ class Exchange:
     # Order handling
 
     def create_order(self, pair: str, ordertype: str, side: str, amount: float,
-                     rate: float, time_in_force: str = 'gtc') -> Dict:
+                     rate: float, time_in_force: str = 'gtc', leverage=1.0) -> Dict:
 
         if self._config['dry_run']:
             dry_order = self.create_dry_run_order(pair, ordertype, side, amount, rate)
             return dry_order
 
+        self._set_leverage(pair, leverage)
         params = self._params.copy()
         if time_in_force != 'gtc' and ordertype != 'market':
             param = self._ft_has.get('time_in_force_parameter', '')
@@ -1600,7 +1601,7 @@ class Exchange:
         return 1.0
 
     @retrier
-    def set_leverage(self, leverage: float, pair: Optional[str]):
+    def _set_leverage(self, leverage: float, pair: Optional[str]):
         """
             Set's the leverage before making a trade, in order to not
             have the same leverage on every trade

freqtrade/exchange/kraken.py

@@ -172,7 +172,7 @@ class Kraken(Exchange):
         """
         return float(max(self._leverage_brackets[pair]))
 
-    def set_leverage(self, pair, leverage):
+    def _set_leverage(self, pair, leverage):
         """
             Kraken set's the leverage as an option in the order object, so we need to
             add it to params

tests/exchange/test_exchange.py

@@ -2970,7 +2970,7 @@ def test_calculate_backoff(retrycount, max_retries, expected):
 
 
 @pytest.mark.parametrize('exchange', ['binance', 'kraken', 'ftx'])
-@pytest.mark.parametrize('exchange,stake_amount,leverage,min_stake_with_lev', [
+@pytest.mark.parametrize('stake_amount,leverage,min_stake_with_lev', [
     (9.0, 3.0, 3.0),
     (20.0, 5.0, 4.0),
     (100.0, 100.0, 1.0)
@@ -2992,7 +2992,7 @@ def test_apply_leverage_to_stake_amount(
     (Collateral.ISOLATED)
 ])
 @pytest.mark.parametrize("exchange_name", [("ftx"), ("binance")])
-def test_set_leverage(mocker, default_conf, exchange_name, collateral):
+def test__set_leverage(mocker, default_conf, exchange_name, collateral):
 
     api_mock = MagicMock()
     api_mock.set_leverage = MagicMock()
@@ -3003,7 +3003,7 @@ def test_set_leverage(mocker, default_conf, exchange_name, collateral):
         default_conf,
         api_mock,
         exchange_name,
-        "set_leverage",
+        "_set_leverage",
         "set_leverage",
         pair="XRP/USDT",
         leverage=5.0