From 6bb93bdc25d3a00c97aca3eb2ab6a8355f1ad268 Mon Sep 17 00:00:00 2001
From: Sam Germain <sam.germain@usask.ca>
Date: Wed, 9 Mar 2022 15:47:16 -0600
Subject: [PATCH] moved binance.stoploss_adjust to exchange class

---
 freqtrade/exchange/binance.py   |  7 -------
 freqtrade/exchange/exchange.py  |  2 +-
 tests/exchange/test_exchange.py | 12 ++++++++++++
 3 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/freqtrade/exchange/binance.py b/freqtrade/exchange/binance.py
index 37ead6dd8..ecdd002b2 100644
--- a/freqtrade/exchange/binance.py
+++ b/freqtrade/exchange/binance.py
@@ -23,13 +23,6 @@ class Binance(Exchange):
         "l2_limit_range": [5, 10, 20, 50, 100, 500, 1000],
     }
 
-    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 order['type'] == 'stop_loss_limit' and stop_loss > float(order['info']['stopPrice'])
-
     async def _async_get_historic_ohlcv(self, pair: str, timeframe: str,
                                         since_ms: int, is_new_pair: bool = False,
                                         raise_: bool = False
diff --git a/freqtrade/exchange/exchange.py b/freqtrade/exchange/exchange.py
index 81d20fd21..8db261f63 100644
--- a/freqtrade/exchange/exchange.py
+++ b/freqtrade/exchange/exchange.py
@@ -795,7 +795,7 @@ class Exchange:
         Verify stop_loss against stoploss-order value (limit or price)
         Returns True if adjustment is necessary.
         """
-        raise OperationalException(f"stoploss is not implemented for {self.name}.")
+        return stop_loss > float(order['stopPrice'])
 
     def _get_stop_params(self, ordertype: str, stop_price: float) -> Dict:
         params = self._params.copy()
diff --git a/tests/exchange/test_exchange.py b/tests/exchange/test_exchange.py
index 527e8050b..1b33e836b 100644
--- a/tests/exchange/test_exchange.py
+++ b/tests/exchange/test_exchange.py
@@ -3058,3 +3058,15 @@ def test_calculate_fee_rate(mocker, default_conf, order, expected, unknown_fee_r
 ])
 def test_calculate_backoff(retrycount, max_retries, expected):
     assert calculate_backoff(retrycount, max_retries) == expected
+
+
+@pytest.mark.parametrize('exchange_name', ['binance', 'gateio'])
+def test_stoploss_adjust(mocker, default_conf, exchange_name):
+    exchange = get_patched_exchange(mocker, default_conf, id=exchange_name)
+    order = {
+        'type': 'stop_loss_limit',
+        'price': 1500,
+        'stopPrice': 1500,
+    }
+    assert exchange.stoploss_adjust(1501, order)
+    assert not exchange.stoploss_adjust(1499, order)