245 lines
9.0 KiB
Python
245 lines
9.0 KiB
Python
import logging
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from datetime import timedelta
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import arrow
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from telegram.error import NetworkError
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from telegram.ext import CommandHandler, Updater
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from telegram import ParseMode, Bot, Update
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from wrapt import synchronized
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from persistence import Trade, Session
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from exchange import get_exchange_api
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from utils import get_conf
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# Remove noisy log messages
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logging.getLogger('requests.packages.urllib3').setLevel(logging.INFO)
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logging.getLogger('telegram').setLevel(logging.INFO)
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logger = logging.getLogger(__name__)
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_updater = None
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conf = get_conf()
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api_wrapper = get_exchange_api(conf)
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def authorized_only(command_handler):
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"""
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Decorator to check if the message comes from the correct chat_id
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:param command_handler: Telegram CommandHandler
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:return: decorated function
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"""
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def wrapper(*args, **kwargs):
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bot, update = args[0], args[1]
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if not isinstance(bot, Bot) or not isinstance(update, Update):
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raise ValueError('Received invalid Arguments: {}'.format(*args))
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chat_id = int(conf['telegram']['chat_id'])
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if int(update.message.chat_id) == chat_id:
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logger.info('Executing handler: {} for chat_id: {}'.format(command_handler.__name__, chat_id))
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return command_handler(*args, **kwargs)
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else:
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logger.info('Rejected unauthorized message from: {}'.format(update.message.chat_id))
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return wrapper
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class TelegramHandler(object):
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@staticmethod
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@authorized_only
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def _status(bot, update):
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"""
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Handler for /status.
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Returns the current TradeThread status
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:param bot: telegram bot
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:param update: message update
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:return: None
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"""
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# Fetch open trade
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trades = Trade.query.filter(Trade.is_open.is_(True)).all()
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from main import get_instance
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if not get_instance().is_alive():
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TelegramHandler.send_msg('*Status:* `trader stopped`', bot=bot)
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elif not trades:
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TelegramHandler.send_msg('*Status:* `no active order`', bot=bot)
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else:
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for trade in trades:
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# calculate profit and send message to user
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current_rate = api_wrapper.get_ticker(trade.pair)['bid']
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current_profit = 100 * ((current_rate - trade.open_rate) / trade.open_rate)
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orders = api_wrapper.get_open_orders(trade.pair)
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orders = [o for o in orders if o['id'] == trade.open_order_id]
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order = orders[0] if orders else None
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message = """
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*Current Pair:* [{pair}](https://bittrex.com/Market/Index?MarketName={pair})
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*Open Since:* `{date}`
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*Amount:* `{amount}`
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*Open Rate:* `{open_rate}`
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*Close Rate:* `{close_rate}`
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*Current Rate:* `{current_rate}`
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*Close Profit:* `{close_profit}`
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*Current Profit:* `{current_profit}%`
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*Open Order:* `{open_order}`
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""".format(
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pair=trade.pair.replace('_', '-'),
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date=arrow.get(trade.open_date).humanize(),
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open_rate=trade.open_rate,
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close_rate=trade.close_rate,
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current_rate=current_rate,
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amount=round(trade.amount, 8),
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close_profit='{}%'.format(round(trade.close_profit, 2)) if trade.close_profit else None,
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current_profit=round(current_profit, 2),
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open_order='{} ({})'.format(order['remaining'], order['type']) if order else None,
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)
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TelegramHandler.send_msg(message, bot=bot)
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@staticmethod
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@authorized_only
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def _profit(bot, update):
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"""
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Handler for /profit.
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Returns a cumulative profit statistics.
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:param bot: telegram bot
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:param update: message update
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:return: None
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"""
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trades = Trade.query.filter(Trade.is_open.is_(False)).all()
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trade_count = len(trades)
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profit_amount = sum((t.close_profit / 100) * t.btc_amount for t in trades)
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profit = sum(t.close_profit for t in trades)
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avg_stake_amount = sum(t.btc_amount for t in trades) / float(trade_count)
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durations_hours = [(t.close_date - t.open_date).total_seconds() / 3600.0 for t in trades]
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avg_duration = sum(durations_hours) / float(len(durations_hours))
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markdown_msg = """
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*Total Profit:* `{profit_btc} BTC ({profit}%)`
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*Trade Count:* `{trade_count}`
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*First Action:* `{first_trade_date}`
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*Latest Action:* `{latest_trade_date}`
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*Avg. Stake Amount:* `{avg_open_amount} BTC`
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*Avg. Duration:* `{avg_duration}`
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""".format(
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profit_btc=round(profit_amount, 8),
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profit=round(profit, 2),
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trade_count=trade_count,
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first_trade_date=arrow.get(trades[0].open_date).humanize(),
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latest_trade_date=arrow.get(trades[-1].open_date).humanize(),
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avg_open_amount=round(avg_stake_amount, 8),
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avg_duration=str(timedelta(hours=avg_duration)).split('.')[0],
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)
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TelegramHandler.send_msg(markdown_msg, bot=bot)
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@staticmethod
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@authorized_only
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def _start(bot, update):
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"""
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Handler for /start.
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Starts TradeThread
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:param bot: telegram bot
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:param update: message update
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:return: None
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"""
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from main import get_instance
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if get_instance().is_alive():
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TelegramHandler.send_msg('*Status:* `already running`', bot=bot)
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else:
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get_instance(recreate=True).start()
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@staticmethod
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@authorized_only
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def _stop(bot, update):
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"""
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Handler for /stop.
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Stops TradeThread
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:param bot: telegram bot
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:param update: message update
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:return: None
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"""
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from main import get_instance, stop_instance
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if get_instance().is_alive():
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TelegramHandler.send_msg('`Stopping trader ...`', bot=bot)
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stop_instance()
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else:
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TelegramHandler.send_msg('*Status:* `already stopped`', bot=bot)
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@staticmethod
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@authorized_only
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def _cancel(bot, update):
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"""
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Handler for /cancel.
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Cancels the open order for the current Trade.
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:param bot: telegram bot
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:param update: message update
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:return: None
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"""
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# TODO: make compatible with max_open_orders
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TelegramHandler.send_msg('`Currently not implemented`')
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return
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trade = Trade.query.filter(Trade.is_open.is_(True)).first()
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if not trade:
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TelegramHandler.send_msg('`There is no open trade`')
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return
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order_id = trade.open_order_id
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if not order_id:
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TelegramHandler.send_msg('`There is no open order`')
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return
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api_wrapper.cancel_order(order_id)
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trade.open_order_id = None
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trade.close_rate = None
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trade.close_date = None
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trade.close_profit = None
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Session.flush()
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TelegramHandler.send_msg('*Order cancelled:* `{}`'.format(order_id), bot=bot)
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logger.info('Order cancelled: (order_id: {})'.format(order_id))
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@staticmethod
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@synchronized
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def get_updater(conf):
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"""
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Returns the current telegram updater instantiates a new one
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:param conf:
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:return: telegram.ext.Updater
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"""
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global _updater
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if not _updater:
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_updater = Updater(token=conf['telegram']['token'], workers=0)
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return _updater
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@staticmethod
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def listen():
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"""
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Registers all known command handlers and starts polling for message updates
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:return: None
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"""
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# Register command handler and start telegram message polling
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handles = [
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CommandHandler('status', TelegramHandler._status),
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CommandHandler('profit', TelegramHandler._profit),
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CommandHandler('start', TelegramHandler._start),
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CommandHandler('stop', TelegramHandler._stop),
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CommandHandler('cancel', TelegramHandler._cancel),
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]
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for handle in handles:
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TelegramHandler.get_updater(conf).dispatcher.add_handler(handle)
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TelegramHandler.get_updater(conf).start_polling(clean=True, bootstrap_retries=3)
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logger.info('TelegramHandler is listening for following commands: {}'
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.format([h.command for h in handles]))
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@staticmethod
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def send_msg(msg, bot=None):
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"""
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Send given markdown message
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:param msg: message
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:param bot: alternative bot
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:return: None
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"""
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if conf['telegram'].get('enabled', False):
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bot = bot or TelegramHandler.get_updater(conf).bot
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try:
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bot.send_message(conf['telegram']['chat_id'], msg, parse_mode=ParseMode.MARKDOWN)
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except NetworkError as e:
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logger.warning('Got Telegram NetworkError: {}! trying one more time'.format(e.message))
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bot.send_message(conf['telegram']['chat_id'], msg, parse_mode=ParseMode.MARKDOWN)
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except Exception:
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logger.exception('Exception occurred within Telegram API')
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