stable/freqtrade/rpc/telegram.py

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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, text
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from telegram import ParseMode, Bot, Update
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from telegram.error import NetworkError
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from telegram.ext import CommandHandler, Updater
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from freqtrade import exchange
from freqtrade.misc import get_state, State, update_state
from freqtrade.persistence import Trade
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# Remove noisy log messages
logging.getLogger('requests.packages.urllib3').setLevel(logging.INFO)
logging.getLogger('telegram').setLevel(logging.INFO)
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logger = logging.getLogger(__name__)
_updater = None
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_CONF = {}
def init(config: dict) -> None:
"""
Initializes this module with the given config,
registers all known command handlers
and starts polling for message updates
:param config: config to use
:return: None
"""
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global _updater
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_CONF.update(config)
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if not _CONF['telegram']['enabled']:
return
_updater = Updater(token=config['telegram']['token'], workers=0)
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# Register command handler and start telegram message polling
handles = [
CommandHandler('status', _status),
CommandHandler('profit', _profit),
CommandHandler('start', _start),
CommandHandler('stop', _stop),
CommandHandler('forcesell', _forcesell),
CommandHandler('performance', _performance),
]
for handle in handles:
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_updater.dispatcher.add_handler(handle)
_updater.start_polling(
clean=True,
bootstrap_retries=3,
timeout=30,
read_latency=60,
)
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logger.info(
'rpc.telegram is listening for following commands: %s',
[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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"""
Decorator to check if the message comes from the correct chat_id
:param command_handler: Telegram CommandHandler
:return: decorated function
"""
def wrapper(*args, **kwargs):
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bot, update = kwargs.get('bot') or args[0], kwargs.get('update') or args[1]
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if not isinstance(bot, Bot) or not isinstance(update, Update):
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:
logger.info('Executing handler: %s for chat_id: %s', command_handler.__name__, chat_id)
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return command_handler(*args, **kwargs)
else:
logger.info('Rejected unauthorized message from: %s', update.message.chat_id)
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return wrapper
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@authorized_only
def _status(bot: Bot, update: Update) -> None:
"""
Handler for /status.
Returns the current TradeThread status
:param bot: telegram bot
:param update: message update
:return: None
"""
# Fetch open trade
trades = Trade.query.filter(Trade.is_open.is_(True)).all()
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if get_state() != State.RUNNING:
send_msg('*Status:* `trader is not running`', bot=bot)
elif not trades:
send_msg('*Status:* `no active order`', bot=bot)
else:
for trade in trades:
# calculate profit and send message to user
current_rate = exchange.get_ticker(trade.pair)['bid']
current_profit = 100 * ((current_rate - trade.open_rate) / trade.open_rate)
orders = exchange.get_open_orders(trade.pair)
orders = [o for o in orders if o['id'] == trade.open_order_id]
order = orders[0] if orders else None
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fmt_close_profit = '{:.2f}%'.format(
round(trade.close_profit, 2)
) if trade.close_profit else None
message = """
*Trade ID:* `{trade_id}`
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*Current Pair:* [{pair}]({market_url})
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*Open Since:* `{date}`
*Amount:* `{amount}`
*Open Rate:* `{open_rate}`
*Close Rate:* `{close_rate}`
*Current Rate:* `{current_rate}`
*Close Profit:* `{close_profit}`
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*Current Profit:* `{current_profit:.2f}%`
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*Open Order:* `{open_order}`
""".format(
trade_id=trade.id,
pair=trade.pair,
market_url=exchange.get_pair_detail_url(trade.pair),
date=arrow.get(trade.open_date).humanize(),
open_rate=trade.open_rate,
close_rate=trade.close_rate,
current_rate=current_rate,
amount=round(trade.amount, 8),
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close_profit=fmt_close_profit,
current_profit=round(current_profit, 2),
open_order='{} ({})'.format(order['remaining'], order['type']) if order else None,
)
send_msg(message, bot=bot)
@authorized_only
def _profit(bot: Bot, update: Update) -> None:
"""
Handler for /profit.
Returns a cumulative profit statistics.
:param bot: telegram bot
:param update: message update
:return: None
"""
trades = Trade.query.order_by(Trade.id).all()
profit_amounts = []
profits = []
durations = []
for trade in trades:
if trade.close_date:
durations.append((trade.close_date - trade.open_date).total_seconds())
if trade.close_profit:
profit = trade.close_profit
else:
# Get current rate
current_rate = exchange.get_ticker(trade.pair)['bid']
profit = 100 * ((current_rate - trade.open_rate) / trade.open_rate)
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profit_amounts.append((profit / 100) * trade.stake_amount)
profits.append(profit)
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best_pair = Trade.session.query(Trade.pair, func.sum(Trade.close_profit).label('profit_sum')) \
.filter(Trade.is_open.is_(False)) \
.group_by(Trade.pair) \
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.order_by(text('profit_sum DESC')) \
.first()
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if not best_pair:
send_msg('*Status:* `no closed trade`', bot=bot)
return
bp_pair, bp_rate = best_pair
markdown_msg = """
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*ROI:* `{profit_btc:.2f} ({profit:.2f}%)`
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*Trade Count:* `{trade_count}`
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*First Trade opened:* `{first_trade_date}`
*Latest Trade opened:* `{latest_trade_date}`
*Avg. Duration:* `{avg_duration}`
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*Best Performing:* `{best_pair}: {best_rate:.2f}%`
""".format(
profit_btc=round(sum(profit_amounts), 8),
profit=round(sum(profits), 2),
trade_count=len(trades),
first_trade_date=arrow.get(trades[0].open_date).humanize(),
latest_trade_date=arrow.get(trades[-1].open_date).humanize(),
avg_duration=str(timedelta(seconds=sum(durations) / float(len(durations)))).split('.')[0],
best_pair=bp_pair,
best_rate=round(bp_rate, 2),
)
send_msg(markdown_msg, bot=bot)
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@authorized_only
def _start(bot: Bot, update: Update) -> None:
"""
Handler for /start.
Starts TradeThread
:param bot: telegram bot
:param update: message update
:return: None
"""
if get_state() == State.RUNNING:
send_msg('*Status:* `already running`', bot=bot)
else:
update_state(State.RUNNING)
@authorized_only
def _stop(bot: Bot, update: Update) -> None:
"""
Handler for /stop.
Stops TradeThread
:param bot: telegram bot
:param update: message update
:return: None
"""
if get_state() == State.RUNNING:
send_msg('`Stopping trader ...`', bot=bot)
update_state(State.STOPPED)
else:
send_msg('*Status:* `already stopped`', bot=bot)
@authorized_only
def _forcesell(bot: Bot, update: Update) -> None:
"""
Handler for /forcesell <id>.
Sells the given trade at current price
:param bot: telegram bot
:param update: message update
:return: None
"""
if get_state() != State.RUNNING:
send_msg('`trader is not running`', bot=bot)
return
try:
trade_id = int(update.message.text
.replace('/forcesell', '')
.strip())
# Query for trade
trade = Trade.query.filter(and_(
Trade.id == trade_id,
Trade.is_open.is_(True)
)).first()
if not trade:
send_msg('There is no open trade with ID: `{}`'.format(trade_id))
return
# Get current rate
current_rate = exchange.get_ticker(trade.pair)['bid']
# Get available balance
currency = trade.pair.split('_')[1]
balance = exchange.get_balance(currency)
# Execute sell
profit = trade.exec_sell_order(current_rate, balance)
message = '*{}:* Selling [{}]({}) at rate `{:f} (profit: {}%)`'.format(
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trade.exchange,
trade.pair.replace('_', '/'),
exchange.get_pair_detail_url(trade.pair),
trade.close_rate,
round(profit, 2)
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)
logger.info(message)
send_msg(message)
except ValueError:
send_msg('Invalid argument. Usage: `/forcesell <trade_id>`')
logger.warning('/forcesell: Invalid argument received')
@authorized_only
def _performance(bot: Bot, update: Update) -> None:
"""
Handler for /performance.
Shows a performance statistic from finished trades
:param bot: telegram bot
:param update: message update
:return: None
"""
if get_state() != State.RUNNING:
send_msg('`trader is not running`', bot=bot)
return
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pair_rates = Trade.session.query(Trade.pair, func.sum(Trade.close_profit).label('profit_sum')) \
.filter(Trade.is_open.is_(False)) \
.group_by(Trade.pair) \
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.order_by(text('profit_sum DESC')) \
.all()
stats = '\n'.join('{index}. <code>{pair}\t{profit:.2f}%</code>'.format(
index=i + 1,
pair=pair,
profit=round(rate, 2)
) for i, (pair, rate) in enumerate(pair_rates))
message = '<b>Performance:</b>\n{}\n'.format(stats)
logger.debug(message)
send_msg(message, parse_mode=ParseMode.HTML)
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def send_msg(msg: str, bot: Bot = None, parse_mode: ParseMode = ParseMode.MARKDOWN) -> None:
"""
Send given markdown message
:param msg: message
:param bot: alternative bot
:param parse_mode: telegram parse mode
:return: None
"""
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if _CONF['telegram'].get('enabled', False):
try:
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bot = bot or _updater.bot
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try:
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bot.send_message(_CONF['telegram']['chat_id'], msg, parse_mode=parse_mode)
except NetworkError as error:
# Sometimes the telegram server resets the current connection,
# 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
)
bot.send_message(_CONF['telegram']['chat_id'], msg, parse_mode=parse_mode)
except Exception:
logger.exception('Exception occurred within Telegram API')