stable/rpc/telegram.py
2017-05-21 22:51:32 +02:00

254 lines
9.4 KiB
Python

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