321 lines
11 KiB
Python
321 lines
11 KiB
Python
import logging
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from datetime import timedelta
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from typing import Callable, Any
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import arrow
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from sqlalchemy import and_, func
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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
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import exchange
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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 = {}
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def init(config: dict) -> None:
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"""
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Initializes this module with the given config,
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registers all known command handlers
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and starts polling for message updates
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:param config: config to use
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:return: None
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"""
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_conf.update(config)
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# Register command handler and start telegram message polling
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handles = [
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CommandHandler('status', _status),
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CommandHandler('profit', _profit),
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CommandHandler('start', _start),
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CommandHandler('stop', _stop),
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CommandHandler('forcesell', _forcesell),
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CommandHandler('performance', _performance),
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]
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for handle in handles:
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get_updater(_conf).dispatcher.add_handler(handle)
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get_updater(_conf).start_polling(
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clean=True,
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bootstrap_retries=3,
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timeout=30,
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read_latency=60,
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)
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logger.info('rpc.telegram is listening for following commands: {}'
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.format([h.command for h in handles]))
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def authorized_only(command_handler: Callable[[Bot, Update], None]) -> Callable[..., Any]:
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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: %s for chat_id: %s', 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: %s', update.message.chat_id)
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return wrapper
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@authorized_only
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def _status(bot: Bot, update: Update) -> None:
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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_state, State
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if not get_state() == State.RUNNING:
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send_msg('*Status:* `trader is not running`', bot=bot)
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elif not trades:
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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 = exchange.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 = exchange.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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*Trade ID:* `{trade_id}`
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*Current Pair:* [{pair}]({market_url})
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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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trade_id=trade.id,
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pair=trade.pair,
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market_url=exchange.get_pair_detail_url(trade.pair),
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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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send_msg(message, bot=bot)
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@authorized_only
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def _profit(bot: Bot, update: Update) -> None:
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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.order_by(Trade.id).all()
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profit_amounts = []
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profits = []
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durations = []
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for trade in trades:
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if trade.close_date:
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durations.append((trade.close_date - trade.open_date).total_seconds())
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if trade.close_profit:
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profit = trade.close_profit
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else:
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# Get current rate
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current_rate = exchange.get_ticker(trade.pair)['bid']
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profit = 100 * ((current_rate - trade.open_rate) / trade.open_rate)
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profit_amounts.append((profit / 100) * trade.btc_amount)
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profits.append(profit)
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bp_pair, bp_rate = Trade.session().query(Trade.pair, func.sum(Trade.close_profit).label('profit_sum')) \
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.filter(Trade.is_open.is_(False)) \
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.group_by(Trade.pair) \
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.order_by('profit_sum DESC') \
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.first()
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markdown_msg = """
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*ROI:* `{profit_btc} ({profit}%)`
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*Trade Count:* `{trade_count}`
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*First Trade opened:* `{first_trade_date}`
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*Latest Trade opened:* `{latest_trade_date}`
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*Avg. Duration:* `{avg_duration}`
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*Best Performing:* `{best_pair}: {best_rate}%`
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""".format(
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profit_btc=round(sum(profit_amounts), 8),
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profit=round(sum(profits), 2),
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trade_count=len(trades),
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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_duration=str(timedelta(seconds=sum(durations) / float(len(durations)))).split('.')[0],
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best_pair=bp_pair,
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best_rate=round(bp_rate, 2),
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)
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send_msg(markdown_msg, bot=bot)
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@authorized_only
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def _start(bot: Bot, update: Update) -> None:
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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_state, State, update_state
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if get_state() == State.RUNNING:
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send_msg('*Status:* `already running`', bot=bot)
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else:
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update_state(State.RUNNING)
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@authorized_only
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def _stop(bot: Bot, update: Update) -> None:
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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_state, State, update_state
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if get_state() == State.RUNNING:
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send_msg('`Stopping trader ...`', bot=bot)
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update_state(State.PAUSED)
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else:
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send_msg('*Status:* `already stopped`', bot=bot)
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@authorized_only
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def _forcesell(bot: Bot, update: Update) -> None:
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"""
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Handler for /forcesell <id>.
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Sells the given trade at current price
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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_state, State
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if get_state() != State.RUNNING:
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send_msg('`trader is not running`', bot=bot)
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return
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try:
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trade_id = int(update.message.text
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.replace('/forcesell', '')
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.strip())
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# Query for trade
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trade = Trade.query.filter(and_(
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Trade.id == trade_id,
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Trade.is_open.is_(True)
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)).first()
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if not trade:
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send_msg('There is no open trade with ID: `{}`'.format(trade_id))
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return
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# Get current rate
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current_rate = exchange.get_ticker(trade.pair)['bid']
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# Get available balance
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currency = trade.pair.split('_')[1]
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balance = exchange.get_balance(currency)
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# Execute sell
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profit = trade.exec_sell_order(current_rate, balance)
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message = '*{}:* Selling [{}]({}) at rate `{:f} (profit: {}%)`'.format(
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trade.exchange.name,
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trade.pair.replace('_', '/'),
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exchange.get_pair_detail_url(trade.pair),
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trade.close_rate,
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round(profit, 2)
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)
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logger.info(message)
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send_msg(message)
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except ValueError:
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send_msg('Invalid argument. Usage: `/forcesell <trade_id>`')
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logger.warning('/forcesell: Invalid argument received')
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@authorized_only
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def _performance(bot: Bot, update: Update) -> None:
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"""
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Handler for /performance.
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Shows a performance statistic from finished trades
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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_state, State
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if get_state() != State.RUNNING:
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send_msg('`trader is not running`', bot=bot)
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return
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pair_rates = Trade.session().query(Trade.pair, func.sum(Trade.close_profit).label('profit_sum')) \
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.filter(Trade.is_open.is_(False)) \
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.group_by(Trade.pair) \
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.order_by('profit_sum DESC') \
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.all()
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stats = '\n'.join('{}. <code>{}\t{}%</code>'.format(i + 1, pair, round(rate, 2)) for i, (pair, rate) in enumerate(pair_rates))
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message = '<b>Performance:</b>\n{}\n'.format(stats)
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logger.debug(message)
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send_msg(message, parse_mode=ParseMode.HTML)
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@synchronized
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def get_updater(config: dict) -> Updater:
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"""
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Returns the current telegram updater or instantiates a new one
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:param config: dict
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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=config['telegram']['token'], workers=0)
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return _updater
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def send_msg(msg: str, bot: Bot=None, parse_mode: ParseMode=ParseMode.MARKDOWN) -> 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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:param parse_mode: telegram parse mode
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:return: None
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"""
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if _conf['telegram'].get('enabled', False):
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try:
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bot = bot or get_updater(_conf).bot
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try:
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bot.send_message(_conf['telegram']['chat_id'], msg, parse_mode=parse_mode)
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except NetworkError as error:
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# Sometimes the telegram server resets the current connection,
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# if this is the case we send the message again.
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logger.warning('Got Telegram NetworkError: %s! Trying one more time.', error.message)
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bot.send_message(_conf['telegram']['chat_id'], msg, parse_mode=parse_mode)
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except Exception:
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logger.exception('Exception occurred within Telegram API')
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