Fix problem with FTX

where cancelled orders are "cancelled", not "canceled"

freqtrade/exchange/exchange.py

@@ -1053,7 +1053,8 @@ class Exchange:
         :param order: Order dict as returned from fetch_order()
         :return: True if order has been cancelled without being filled, False otherwise.
         """
-        return order.get('status') in ('closed', 'canceled') and order.get('filled') == 0.0
+        return (order.get('status') in ('closed', 'canceled', 'cancelled')
+                and order.get('filled') == 0.0)
 
     @retrier
     def cancel_order(self, order_id: str, pair: str) -> Dict:

freqtrade/freqtradebot.py

@@ -1023,13 +1023,13 @@ class FreqtradeBot(LoggingMixin):
         was_trade_fully_canceled = False
 
         # Cancelled orders may have the status of 'canceled' or 'closed'
-        if order['status'] not in ('canceled', 'closed'):
+        if order['status'] not in ('cancelled', 'canceled', 'closed'):
             corder = self.exchange.cancel_order_with_result(trade.open_order_id, trade.pair,
                                                             trade.amount)
             # Avoid race condition where the order could not be cancelled coz its already filled.
             # Simply bailing here is the only safe way - as this order will then be
             # handled in the next iteration.
-            if corder.get('status') not in ('canceled', 'closed'):
+            if corder.get('status') not in ('cancelled', 'canceled', 'closed'):
                 logger.warning(f"Order {trade.open_order_id} for {trade.pair} not cancelled.")
                 return False
         else:

freqtrade/persistence/models.py

@@ -425,7 +425,7 @@ class Trade(_DECL_BASE):
             self.close_rate_requested = self.stop_loss
             if self.is_open:
                 logger.info(f'{order_type.upper()} is hit for {self}.')
-            self.close(order['average'])
+            self.close(safe_value_fallback(order, 'average', 'price'))
         else:
             raise ValueError(f'Unknown order type: {order_type}')
         cleanup_db()