Merge branch 'develop' into feat/short

freqtrade/exchange/gateio.py

@@ -23,10 +23,10 @@ class Gateio(Exchange):
     _ft_has: Dict = {
         "ohlcv_candle_limit": 1000,
         "ohlcv_volume_currency": "quote",
+        "stoploss_order_types": {"limit": "limit"},
+        "stoploss_on_exchange": True,
     }
 
-    _headers = {'X-Gate-Channel-Id': 'freqtrade'}
-
     _supported_trading_mode_margin_pairs: List[Tuple[TradingMode, MarginMode]] = [
         # TradingMode.SPOT always supported and not required in this list
         # (TradingMode.MARGIN, MarginMode.CROSS),
@@ -41,3 +41,24 @@ class Gateio(Exchange):
             if any(v == 'market' for k, v in order_types.items()):
                 raise OperationalException(
                     f'Exchange {self.name} does not support market orders.')
+
+    def fetch_stoploss_order(self, order_id: str, pair: str, params={}) -> Dict:
+        return self.fetch_order(
+            order_id=order_id,
+            pair=pair,
+            params={'stop': True}
+        )
+
+    def cancel_stoploss_order(self, order_id: str, pair: str, params={}) -> Dict:
+        return self.cancel_order(
+            order_id=order_id,
+            pair=pair,
+            params={'stop': True}
+        )
+
+    def stoploss_adjust(self, stop_loss: float, order: Dict) -> bool:
+        """
+        Verify stop_loss against stoploss-order value (limit or price)
+        Returns True if adjustment is necessary.
+        """
+        return stop_loss > float(order['stopPrice'])