Add buy and sell fill notifications

closes #3542

freqtrade/freqtradebot.py

@@ -675,6 +675,21 @@ class FreqtradeBot(LoggingMixin):
         # Send the message
         self.rpc.send_msg(msg)
 
+    def _notify_buy_fill(self, trade: Trade) -> None:
+        msg = {
+            'trade_id': trade.id,
+            'type': RPCMessageType.BUY_FILL_NOTIFICATION,
+            'exchange': self.exchange.name.capitalize(),
+            'pair': trade.pair,
+            'open_rate': trade.open_rate,
+            'stake_amount': trade.stake_amount,
+            'stake_currency': self.config['stake_currency'],
+            'fiat_currency': self.config.get('fiat_display_currency', None),
+            'amount': trade.amount,
+            'open_date': trade.open_date,
+        }
+        self.rpc.send_msg(msg)
+
 #
 # SELL / exit positions / close trades logic and methods
 #
@@ -1212,19 +1227,20 @@ class FreqtradeBot(LoggingMixin):
 
         return True
 
-    def _notify_sell(self, trade: Trade, order_type: str) -> None:
+    def _notify_sell(self, trade: Trade, order_type: str, fill: bool = False) -> None:
         """
         Sends rpc notification when a sell occured.
         """
         profit_rate = trade.close_rate if trade.close_rate else trade.close_rate_requested
         profit_trade = trade.calc_profit(rate=profit_rate)
         # Use cached rates here - it was updated seconds ago.
-        current_rate = self.get_sell_rate(trade.pair, False)
+        current_rate = self.get_sell_rate(trade.pair, False) if not fill else None
         profit_ratio = trade.calc_profit_ratio(profit_rate)
         gain = "profit" if profit_ratio > 0 else "loss"
 
         msg = {
-            'type': RPCMessageType.SELL_NOTIFICATION,
+            'type': (RPCMessageType.SELL_FILL_NOTIFICATION if fill
+                     else RPCMessageType.SELL_NOTIFICATION),
             'trade_id': trade.id,
             'exchange': trade.exchange.capitalize(),
             'pair': trade.pair,
@@ -1233,6 +1249,7 @@ class FreqtradeBot(LoggingMixin):
             'order_type': order_type,
             'amount': trade.amount,
             'open_rate': trade.open_rate,
+            'close_rate': trade.close_rate,
             'current_rate': current_rate,
             'profit_amount': profit_trade,
             'profit_ratio': profit_ratio,
@@ -1344,9 +1361,14 @@ class FreqtradeBot(LoggingMixin):
 
         # Updating wallets when order is closed
         if not trade.is_open:
+            self._notify_sell(trade, '', True)
             self.protections.stop_per_pair(trade.pair)
             self.protections.global_stop()
             self.wallets.update()
+        elif trade.open_order_id is None:
+            # Buy fill
+            self._notify_buy_fill(trade)
+
         return False
 
     def apply_fee_conditional(self, trade: Trade, trade_base_currency: str,