include trade-duration with sell-notification

freqtrade/rpc/telegram.py

@@ -9,7 +9,7 @@ from typing import Any, Callable, Dict
 from tabulate import tabulate
 from telegram import ParseMode, ReplyKeyboardMarkup, Update
 from telegram.error import NetworkError, TelegramError
-from telegram.ext import CommandHandler, Updater, CallbackContext
+from telegram.ext import CallbackContext, CommandHandler, Updater
 
 from freqtrade.__init__ import __version__
 from freqtrade.rpc import RPC, RPCException, RPCMessageType
@@ -144,6 +144,8 @@ class Telegram(RPC):
         elif msg['type'] == RPCMessageType.SELL_NOTIFICATION:
             msg['amount'] = round(msg['amount'], 8)
             msg['profit_percent'] = round(msg['profit_percent'] * 100, 2)
+            msg['duration'] = msg['close_date'].replace(
+                microsecond=0) - msg['open_date'].replace(microsecond=0)
 
             message = ("*{exchange}:* Selling {pair}\n"
                        "*Rate:* `{limit:.8f}`\n"
@@ -151,6 +153,7 @@ class Telegram(RPC):
                        "*Open Rate:* `{open_rate:.8f}`\n"
                        "*Current Rate:* `{current_rate:.8f}`\n"
                        "*Sell Reason:* `{sell_reason}`\n"
+                       "*Duration:* `{duration}`\n"
                        "*Profit:* `{profit_percent:.2f}%`").format(**msg)
 
             # Check if all sell properties are available.