Improve some exchange logs

freqtrade/exchange/exchange.py

@@ -1022,10 +1022,10 @@ class Exchange:
             return self._api.fetch_order(order_id, pair)
         except ccxt.OrderNotFound as e:
             raise RetryableOrderError(
-                f'Order not found (id: {order_id}). Message: {e}') from e
+                f'Order not found (pair: {pair} id: {order_id}). Message: {e}') from e
         except ccxt.InvalidOrder as e:
             raise InvalidOrderException(
-                f'Tried to get an invalid order (id: {order_id}). Message: {e}') from e
+                f'Tried to get an invalid order (pair: {pair} id: {order_id}). Message: {e}') from e
         except ccxt.DDoSProtection as e:
             raise DDosProtection(e) from e
         except (ccxt.NetworkError, ccxt.ExchangeError) as e:

tests/exchange/test_exchange.py

@@ -2315,6 +2315,18 @@ def test_calculate_fee_rate(mocker, default_conf, order, expected) -> None:
     (3, 3, 1),
     (0, 1, 2),
     (1, 1, 1),
+    (0, 4, 17),
+    (1, 4, 10),
+    (2, 4, 5),
+    (3, 4, 2),
+    (4, 4, 1),
+    (0, 5, 26),
+    (1, 5, 17),
+    (2, 5, 10),
+    (3, 5, 5),
+    (4, 5, 2),
+    (5, 5, 1),
+
 ])
 def test_calculate_backoff(retrycount, max_retries, expected):
     assert calculate_backoff(retrycount, max_retries) == expected