131 lines
5.0 KiB
Python
131 lines
5.0 KiB
Python
"""
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This module contains class to manage RPC communications (Telegram, API, ...)
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"""
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import logging
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from collections import deque
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from typing import Any, Dict, List
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from freqtrade.constants import Config
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from freqtrade.enums import RPCMessageType
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from freqtrade.rpc import RPC, RPCHandler
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logger = logging.getLogger(__name__)
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class RPCManager:
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"""
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Class to manage RPC objects (Telegram, API, ...)
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"""
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def __init__(self, freqtrade) -> None:
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""" Initializes all enabled rpc modules """
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self.registered_modules: List[RPCHandler] = []
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self._rpc = RPC(freqtrade)
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config = freqtrade.config
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# Enable telegram
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if config.get('telegram', {}).get('enabled', False):
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logger.info('Enabling rpc.telegram ...')
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from freqtrade.rpc.telegram import Telegram
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self.registered_modules.append(Telegram(self._rpc, config))
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# Enable discord
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if config.get('discord', {}).get('enabled', False):
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logger.info('Enabling rpc.discord ...')
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from freqtrade.rpc.discord import Discord
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self.registered_modules.append(Discord(self._rpc, config))
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# Enable Webhook
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if config.get('webhook', {}).get('enabled', False):
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logger.info('Enabling rpc.webhook ...')
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from freqtrade.rpc.webhook import Webhook
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self.registered_modules.append(Webhook(self._rpc, config))
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# Enable local rest api server for cmd line control
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if config.get('api_server', {}).get('enabled', False):
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logger.info('Enabling rpc.api_server')
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from freqtrade.rpc.api_server import ApiServer
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apiserver = ApiServer(config)
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apiserver.add_rpc_handler(self._rpc)
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self.registered_modules.append(apiserver)
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def cleanup(self) -> None:
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""" Stops all enabled rpc modules """
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logger.info('Cleaning up rpc modules ...')
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while self.registered_modules:
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mod = self.registered_modules.pop()
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logger.info('Cleaning up rpc.%s ...', mod.name)
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mod.cleanup()
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del mod
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def send_msg(self, msg: Dict[str, Any]) -> None:
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"""
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Send given message to all registered rpc modules.
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A message consists of one or more key value pairs of strings.
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e.g.:
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{
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'status': 'stopping bot'
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}
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"""
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logger.info('Sending rpc message: %s', msg)
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if 'pair' in msg:
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msg.update({
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'base_currency': self._rpc._freqtrade.exchange.get_pair_base_currency(msg['pair'])
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})
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for mod in self.registered_modules:
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logger.debug('Forwarding message to rpc.%s', mod.name)
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try:
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mod.send_msg(msg)
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except NotImplementedError:
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logger.error(f"Message type '{msg['type']}' not implemented by handler {mod.name}.")
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except Exception:
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logger.exception('Exception occurred within RPC module %s', mod.name)
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def process_msg_queue(self, queue: deque) -> None:
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"""
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Process all messages in the queue.
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"""
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while queue:
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msg = queue.popleft()
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self.send_msg({
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'type': RPCMessageType.STRATEGY_MSG,
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'msg': msg,
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})
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def startup_messages(self, config: Config, pairlist, protections) -> None:
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if config['dry_run']:
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self.send_msg({
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'type': RPCMessageType.WARNING,
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'status': 'Dry run is enabled. All trades are simulated.'
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})
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stake_currency = config['stake_currency']
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stake_amount = config['stake_amount']
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minimal_roi = config['minimal_roi']
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stoploss = config['stoploss']
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trailing_stop = config['trailing_stop']
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timeframe = config['timeframe']
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exchange_name = config['exchange']['name']
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strategy_name = config.get('strategy', '')
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pos_adjust_enabled = 'On' if config['position_adjustment_enable'] else 'Off'
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self.send_msg({
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'type': RPCMessageType.STARTUP,
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'status': f'*Exchange:* `{exchange_name}`\n'
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f'*Stake per trade:* `{stake_amount} {stake_currency}`\n'
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f'*Minimum ROI:* `{minimal_roi}`\n'
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f'*{"Trailing " if trailing_stop else ""}Stoploss:* `{stoploss}`\n'
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f'*Position adjustment:* `{pos_adjust_enabled}`\n'
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f'*Timeframe:* `{timeframe}`\n'
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f'*Strategy:* `{strategy_name}`'
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})
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self.send_msg({
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'type': RPCMessageType.STARTUP,
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'status': f'Searching for {stake_currency} pairs to buy and sell '
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f'based on {pairlist.short_desc()}'
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})
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if len(protections.name_list) > 0:
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prots = '\n'.join([p for prot in protections.short_desc() for k, p in prot.items()])
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self.send_msg({
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'type': RPCMessageType.STARTUP,
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'status': f'Using Protections: \n{prots}'
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})
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