""" This module contains class to define a RPC communications """ import logging from abc import abstractmethod from datetime import date, datetime, timedelta from enum import Enum from math import isnan from typing import Any, Dict, List, Optional, Tuple, Union import arrow from numpy import NAN, mean from freqtrade.exceptions import ExchangeError, PricingError from freqtrade.exchange import timeframe_to_minutes, timeframe_to_msecs from freqtrade.loggers import bufferHandler from freqtrade.misc import shorten_date from freqtrade.persistence import Trade from freqtrade.rpc.fiat_convert import CryptoToFiatConverter from freqtrade.state import State from freqtrade.strategy.interface import SellType logger = logging.getLogger(__name__) class RPCMessageType(Enum): STATUS_NOTIFICATION = 'status' WARNING_NOTIFICATION = 'warning' CUSTOM_NOTIFICATION = 'custom' BUY_NOTIFICATION = 'buy' BUY_CANCEL_NOTIFICATION = 'buy_cancel' SELL_NOTIFICATION = 'sell' SELL_CANCEL_NOTIFICATION = 'sell_cancel' def __repr__(self): return self.value class RPCException(Exception): """ Should be raised with a rpc-formatted message in an _rpc_* method if the required state is wrong, i.e.: raise RPCException('*Status:* `no active trade`') """ def __init__(self, message: str) -> None: super().__init__(self) self.message = message def __str__(self): return self.message def __json__(self): return { 'msg': self.message } class RPC: """ RPC class can be used to have extra feature, like bot data, and access to DB data """ # Bind _fiat_converter if needed in each RPC handler _fiat_converter: Optional[CryptoToFiatConverter] = None def __init__(self, freqtrade) -> None: """ Initializes all enabled rpc modules :param freqtrade: Instance of a freqtrade bot :return: None """ self._freqtrade = freqtrade @property def name(self) -> str: """ Returns the lowercase name of the implementation """ return self.__class__.__name__.lower() @abstractmethod def cleanup(self) -> None: """ Cleanup pending module resources """ @abstractmethod def send_msg(self, msg: Dict[str, str]) -> None: """ Sends a message to all registered rpc modules """ def _rpc_show_config(self) -> Dict[str, Any]: """ Return a dict of config options. Explicitly does NOT return the full config to avoid leakage of sensitive information via rpc. """ config = self._freqtrade.config val = { 'dry_run': config['dry_run'], 'stake_currency': config['stake_currency'], 'stake_amount': config['stake_amount'], 'max_open_trades': config['max_open_trades'], 'minimal_roi': config['minimal_roi'].copy(), 'stoploss': config['stoploss'], 'trailing_stop': config['trailing_stop'], 'trailing_stop_positive': config.get('trailing_stop_positive'), 'trailing_stop_positive_offset': config.get('trailing_stop_positive_offset'), 'trailing_only_offset_is_reached': config.get('trailing_only_offset_is_reached'), 'ticker_interval': config['timeframe'], # DEPRECATED 'timeframe': config['timeframe'], 'timeframe_ms': timeframe_to_msecs(config['timeframe']), 'timeframe_min': timeframe_to_minutes(config['timeframe']), 'exchange': config['exchange']['name'], 'strategy': config['strategy'], 'forcebuy_enabled': config.get('forcebuy_enable', False), 'ask_strategy': config.get('ask_strategy', {}), 'bid_strategy': config.get('bid_strategy', {}), 'state': str(self._freqtrade.state) } return val def _rpc_trade_status(self) -> List[Dict[str, Any]]: """ Below follows the RPC backend it is prefixed with rpc_ to raise awareness that it is a remotely exposed function """ # Fetch open trade trades = Trade.get_open_trades() if not trades: raise RPCException('no active trade') else: results = [] for trade in trades: order = None if trade.open_order_id: order = self._freqtrade.exchange.fetch_order(trade.open_order_id, trade.pair) # calculate profit and send message to user try: current_rate = self._freqtrade.get_sell_rate(trade.pair, False) except (ExchangeError, PricingError): current_rate = NAN current_profit = trade.calc_profit_ratio(current_rate) current_profit_abs = trade.calc_profit(current_rate) # Calculate guaranteed profit (in case of trailing stop) stoploss_entry_dist = trade.calc_profit(trade.stop_loss) stoploss_entry_dist_ratio = trade.calc_profit_ratio(trade.stop_loss) # calculate distance to stoploss stoploss_current_dist = trade.stop_loss - current_rate stoploss_current_dist_ratio = stoploss_current_dist / current_rate fmt_close_profit = (f'{round(trade.close_profit * 100, 2):.2f}%' if trade.close_profit is not None else None) trade_dict = trade.to_json() trade_dict.update(dict( base_currency=self._freqtrade.config['stake_currency'], close_profit=trade.close_profit if trade.close_profit is not None else None, close_profit_pct=fmt_close_profit, current_rate=current_rate, current_profit=current_profit, current_profit_pct=round(current_profit * 100, 2), current_profit_abs=current_profit_abs, stoploss_current_dist=stoploss_current_dist, stoploss_current_dist_ratio=round(stoploss_current_dist_ratio, 8), stoploss_current_dist_pct=round(stoploss_current_dist_ratio * 100, 2), stoploss_entry_dist=stoploss_entry_dist, stoploss_entry_dist_ratio=round(stoploss_entry_dist_ratio, 8), open_order='({} {} rem={:.8f})'.format( order['type'], order['side'], order['remaining'] ) if order else None, )) results.append(trade_dict) return results def _rpc_status_table(self, stake_currency: str, fiat_display_currency: str) -> Tuple[List, List]: trades = Trade.get_open_trades() if not trades: raise RPCException('no active trade') else: trades_list = [] for trade in trades: # calculate profit and send message to user try: current_rate = self._freqtrade.get_sell_rate(trade.pair, False) except (PricingError, ExchangeError): current_rate = NAN trade_percent = (100 * trade.calc_profit_ratio(current_rate)) trade_profit = trade.calc_profit(current_rate) profit_str = f'{trade_percent:.2f}%' if self._fiat_converter: fiat_profit = self._fiat_converter.convert_amount( trade_profit, stake_currency, fiat_display_currency ) if fiat_profit and not isnan(fiat_profit): profit_str += f" ({fiat_profit:.2f})" trades_list.append([ trade.id, trade.pair + ('*' if (trade.open_order_id is not None and trade.close_rate_requested is None) else '') + ('**' if (trade.close_rate_requested is not None) else ''), shorten_date(arrow.get(trade.open_date).humanize(only_distance=True)), profit_str ]) profitcol = "Profit" if self._fiat_converter: profitcol += " (" + fiat_display_currency + ")" columns = ['ID', 'Pair', 'Since', profitcol] return trades_list, columns def _rpc_daily_profit( self, timescale: int, stake_currency: str, fiat_display_currency: str) -> Dict[str, Any]: today = datetime.utcnow().date() profit_days: Dict[date, Dict] = {} if not (isinstance(timescale, int) and timescale > 0): raise RPCException('timescale must be an integer greater than 0') for day in range(0, timescale): profitday = today - timedelta(days=day) trades = Trade.get_trades(trade_filter=[ Trade.is_open.is_(False), Trade.close_date >= profitday, Trade.close_date < (profitday + timedelta(days=1)) ]).order_by(Trade.close_date).all() curdayprofit = sum(trade.close_profit_abs for trade in trades) profit_days[profitday] = { 'amount': curdayprofit, 'trades': len(trades) } data = [ { 'date': key, 'abs_profit': value["amount"], 'fiat_value': self._fiat_converter.convert_amount( value['amount'], stake_currency, fiat_display_currency ) if self._fiat_converter else 0, 'trade_count': value["trades"], } for key, value in profit_days.items() ] return { 'stake_currency': stake_currency, 'fiat_display_currency': fiat_display_currency, 'data': data } def _rpc_trade_history(self, limit: int) -> Dict: """ Returns the X last trades """ if limit > 0: trades = Trade.get_trades([Trade.is_open.is_(False)]).order_by( Trade.id.desc()).limit(limit) else: trades = Trade.get_trades([Trade.is_open.is_(False)]).order_by(Trade.id.desc()).all() output = [trade.to_json() for trade in trades] return { "trades": output, "trades_count": len(output) } def _rpc_trade_statistics( self, stake_currency: str, fiat_display_currency: str) -> Dict[str, Any]: """ Returns cumulative profit statistics """ trades = Trade.get_trades().order_by(Trade.id).all() profit_all_coin = [] profit_all_ratio = [] profit_closed_coin = [] profit_closed_ratio = [] durations = [] winning_trades = 0 losing_trades = 0 for trade in trades: current_rate: float = 0.0 if not trade.open_rate: continue if trade.close_date: durations.append((trade.close_date - trade.open_date).total_seconds()) if not trade.is_open: profit_ratio = trade.close_profit profit_closed_coin.append(trade.close_profit_abs) profit_closed_ratio.append(profit_ratio) if trade.close_profit >= 0: winning_trades += 1 else: losing_trades += 1 else: # Get current rate try: current_rate = self._freqtrade.get_sell_rate(trade.pair, False) except (PricingError, ExchangeError): current_rate = NAN profit_ratio = trade.calc_profit_ratio(rate=current_rate) profit_all_coin.append( trade.calc_profit(rate=trade.close_rate or current_rate) ) profit_all_ratio.append(profit_ratio) best_pair = Trade.get_best_pair() # Prepare data to display profit_closed_coin_sum = round(sum(profit_closed_coin), 8) profit_closed_ratio_mean = mean(profit_closed_ratio) if profit_closed_ratio else 0.0 profit_closed_ratio_sum = sum(profit_closed_ratio) if profit_closed_ratio else 0.0 profit_closed_fiat = self._fiat_converter.convert_amount( profit_closed_coin_sum, stake_currency, fiat_display_currency ) if self._fiat_converter else 0 profit_all_coin_sum = round(sum(profit_all_coin), 8) profit_all_ratio_mean = mean(profit_all_ratio) if profit_all_ratio else 0.0 profit_all_ratio_sum = sum(profit_all_ratio) if profit_all_ratio else 0.0 profit_all_fiat = self._fiat_converter.convert_amount( profit_all_coin_sum, stake_currency, fiat_display_currency ) if self._fiat_converter else 0 first_date = trades[0].open_date if trades else None last_date = trades[-1].open_date if trades else None num = float(len(durations) or 1) return { 'profit_closed_coin': profit_closed_coin_sum, 'profit_closed_percent': round(profit_closed_ratio_mean * 100, 2), # DEPRECATED 'profit_closed_percent_mean': round(profit_closed_ratio_mean * 100, 2), 'profit_closed_ratio_mean': profit_closed_ratio_mean, 'profit_closed_percent_sum': round(profit_closed_ratio_sum * 100, 2), 'profit_closed_ratio_sum': profit_closed_ratio_sum, 'profit_closed_fiat': profit_closed_fiat, 'profit_all_coin': profit_all_coin_sum, 'profit_all_percent': round(profit_all_ratio_mean * 100, 2), # DEPRECATED 'profit_all_percent_mean': round(profit_all_ratio_mean * 100, 2), 'profit_all_ratio_mean': profit_all_ratio_mean, 'profit_all_percent_sum': round(profit_all_ratio_sum * 100, 2), 'profit_all_ratio_sum': profit_all_ratio_sum, 'profit_all_fiat': profit_all_fiat, 'trade_count': len(trades), 'closed_trade_count': len([t for t in trades if not t.is_open]), 'first_trade_date': arrow.get(first_date).humanize() if first_date else '', 'first_trade_timestamp': int(first_date.timestamp() * 1000) if first_date else 0, 'latest_trade_date': arrow.get(last_date).humanize() if last_date else '', 'latest_trade_timestamp': int(last_date.timestamp() * 1000) if last_date else 0, 'avg_duration': str(timedelta(seconds=sum(durations) / num)).split('.')[0], 'best_pair': best_pair[0] if best_pair else '', 'best_rate': round(best_pair[1] * 100, 2) if best_pair else 0, 'winning_trades': winning_trades, 'losing_trades': losing_trades, } def _rpc_balance(self, stake_currency: str, fiat_display_currency: str) -> Dict: """ Returns current account balance per crypto """ output = [] total = 0.0 try: tickers = self._freqtrade.exchange.get_tickers() except (ExchangeError): raise RPCException('Error getting current tickers.') self._freqtrade.wallets.update(require_update=False) for coin, balance in self._freqtrade.wallets.get_all_balances().items(): if not balance.total: continue est_stake: float = 0 if coin == stake_currency: rate = 1.0 est_stake = balance.total else: try: pair = self._freqtrade.exchange.get_valid_pair_combination(coin, stake_currency) rate = tickers.get(pair, {}).get('bid', None) if rate: if pair.startswith(stake_currency): rate = 1.0 / rate est_stake = rate * balance.total except (ExchangeError): logger.warning(f" Could not get rate for pair {coin}.") continue total = total + (est_stake or 0) output.append({ 'currency': coin, 'free': balance.free if balance.free is not None else 0, 'balance': balance.total if balance.total is not None else 0, 'used': balance.used if balance.used is not None else 0, 'est_stake': est_stake or 0, 'stake': stake_currency, }) if total == 0.0: if self._freqtrade.config['dry_run']: raise RPCException('Running in Dry Run, balances are not available.') else: raise RPCException('All balances are zero.') symbol = fiat_display_currency value = self._fiat_converter.convert_amount(total, stake_currency, symbol) if self._fiat_converter else 0 return { 'currencies': output, 'total': total, 'symbol': symbol, 'value': value, 'stake': stake_currency, 'note': 'Simulated balances' if self._freqtrade.config['dry_run'] else '' } def _rpc_start(self) -> Dict[str, str]: """ Handler for start """ if self._freqtrade.state == State.RUNNING: return {'status': 'already running'} self._freqtrade.state = State.RUNNING return {'status': 'starting trader ...'} def _rpc_stop(self) -> Dict[str, str]: """ Handler for stop """ if self._freqtrade.state == State.RUNNING: self._freqtrade.state = State.STOPPED return {'status': 'stopping trader ...'} return {'status': 'already stopped'} def _rpc_reload_config(self) -> Dict[str, str]: """ Handler for reload_config. """ self._freqtrade.state = State.RELOAD_CONFIG return {'status': 'reloading config ...'} def _rpc_stopbuy(self) -> Dict[str, str]: """ Handler to stop buying, but handle open trades gracefully. """ if self._freqtrade.state == State.RUNNING: # Set 'max_open_trades' to 0 self._freqtrade.config['max_open_trades'] = 0 return {'status': 'No more buy will occur from now. Run /reload_config to reset.'} def _rpc_forcesell(self, trade_id: str) -> Dict[str, str]: """ Handler for forcesell . Sells the given trade at current price """ def _exec_forcesell(trade: Trade) -> None: # Check if there is there is an open order if trade.open_order_id: order = self._freqtrade.exchange.fetch_order(trade.open_order_id, trade.pair) # Cancel open LIMIT_BUY orders and close trade if order and order['status'] == 'open' \ and order['type'] == 'limit' \ and order['side'] == 'buy': self._freqtrade.exchange.cancel_order(trade.open_order_id, trade.pair) trade.close(order.get('price') or trade.open_rate) # Do the best effort, if we don't know 'filled' amount, don't try selling if order['filled'] is None: return trade.amount = order['filled'] # Ignore trades with an attached LIMIT_SELL order if order and order['status'] == 'open' \ and order['type'] == 'limit' \ and order['side'] == 'sell': return # Get current rate and execute sell current_rate = self._freqtrade.get_sell_rate(trade.pair, False) self._freqtrade.execute_sell(trade, current_rate, SellType.FORCE_SELL) # ---- EOF def _exec_forcesell ---- if self._freqtrade.state != State.RUNNING: raise RPCException('trader is not running') with self._freqtrade._sell_lock: if trade_id == 'all': # Execute sell for all open orders for trade in Trade.get_open_trades(): _exec_forcesell(trade) Trade.session.flush() self._freqtrade.wallets.update() return {'result': 'Created sell orders for all open trades.'} # Query for trade trade = Trade.get_trades( trade_filter=[Trade.id == trade_id, Trade.is_open.is_(True), ] ).first() if not trade: logger.warning('forcesell: Invalid argument received') raise RPCException('invalid argument') _exec_forcesell(trade) Trade.session.flush() self._freqtrade.wallets.update() return {'result': f'Created sell order for trade {trade_id}.'} def _rpc_forcebuy(self, pair: str, price: Optional[float]) -> Optional[Trade]: """ Handler for forcebuy Buys a pair trade at the given or current price """ if not self._freqtrade.config.get('forcebuy_enable', False): raise RPCException('Forcebuy not enabled.') if self._freqtrade.state != State.RUNNING: raise RPCException('trader is not running') # Check if pair quote currency equals to the stake currency. stake_currency = self._freqtrade.config.get('stake_currency') if not self._freqtrade.exchange.get_pair_quote_currency(pair) == stake_currency: raise RPCException( f'Wrong pair selected. Please pairs with stake {stake_currency} pairs only') # check if valid pair # check if pair already has an open pair trade = Trade.get_trades([Trade.is_open.is_(True), Trade.pair == pair]).first() if trade: raise RPCException(f'position for {pair} already open - id: {trade.id}') # gen stake amount stakeamount = self._freqtrade.get_trade_stake_amount(pair) # execute buy if self._freqtrade.execute_buy(pair, stakeamount, price): trade = Trade.get_trades([Trade.is_open.is_(True), Trade.pair == pair]).first() return trade else: return None def _rpc_delete(self, trade_id: str) -> Dict[str, Union[str, int]]: """ Handler for delete . Delete the given trade and close eventually existing open orders. """ with self._freqtrade._sell_lock: c_count = 0 trade = Trade.get_trades(trade_filter=[Trade.id == trade_id]).first() if not trade: logger.warning('delete trade: Invalid argument received') raise RPCException('invalid argument') # Try cancelling regular order if that exists if trade.open_order_id: try: self._freqtrade.exchange.cancel_order(trade.open_order_id, trade.pair) c_count += 1 except (ExchangeError): pass # cancel stoploss on exchange ... if (self._freqtrade.strategy.order_types.get('stoploss_on_exchange') and trade.stoploss_order_id): try: self._freqtrade.exchange.cancel_stoploss_order(trade.stoploss_order_id, trade.pair) c_count += 1 except (ExchangeError): pass trade.delete() self._freqtrade.wallets.update() return { 'result': 'success', 'trade_id': trade_id, 'result_msg': f'Deleted trade {trade_id}. Closed {c_count} open orders.', 'cancel_order_count': c_count, } def _rpc_performance(self) -> List[Dict[str, Any]]: """ Handler for performance. Shows a performance statistic from finished trades """ pair_rates = Trade.get_overall_performance() # Round and convert to % [x.update({'profit': round(x['profit'] * 100, 2)}) for x in pair_rates] return pair_rates def _rpc_count(self) -> Dict[str, float]: """ Returns the number of trades running """ if self._freqtrade.state != State.RUNNING: raise RPCException('trader is not running') trades = Trade.get_open_trades() return { 'current': len(trades), 'max': float(self._freqtrade.config['max_open_trades']), 'total_stake': sum((trade.open_rate * trade.amount) for trade in trades) } def _rpc_whitelist(self) -> Dict: """ Returns the currently active whitelist""" res = {'method': self._freqtrade.pairlists.name_list, 'length': len(self._freqtrade.active_pair_whitelist), 'whitelist': self._freqtrade.active_pair_whitelist } return res def _rpc_blacklist(self, add: List[str] = None) -> Dict: """ Returns the currently active blacklist""" errors = {} if add: stake_currency = self._freqtrade.config.get('stake_currency') for pair in add: if self._freqtrade.exchange.get_pair_quote_currency(pair) == stake_currency: if pair not in self._freqtrade.pairlists.blacklist: self._freqtrade.pairlists.blacklist.append(pair) else: errors[pair] = { 'error_msg': f'Pair {pair} already in pairlist.'} else: errors[pair] = { 'error_msg': f"Pair {pair} does not match stake currency." } res = {'method': self._freqtrade.pairlists.name_list, 'length': len(self._freqtrade.pairlists.blacklist), 'blacklist': self._freqtrade.pairlists.blacklist, 'errors': errors, } return res def _rpc_get_logs(self, limit: Optional[int]) -> Dict[str, Any]: """Returns the last X logs""" if limit: buffer = bufferHandler.buffer[-limit:] else: buffer = bufferHandler.buffer records = [[datetime.fromtimestamp(r.created).strftime("%Y-%m-%d %H:%M:%S"), r.created * 1000, r.name, r.levelname, r.message + ('\n' + r.exc_text if r.exc_text else '')] for r in buffer] # Log format: # [logtime-formatted, logepoch, logger-name, loglevel, message \n + exception] # e.g. ["2020-08-27 11:35:01", 1598520901097.9397, # "freqtrade.worker", "INFO", "Starting worker develop"] return {'log_count': len(records), 'logs': records} def _rpc_edge(self) -> List[Dict[str, Any]]: """ Returns information related to Edge """ if not self._freqtrade.edge: raise RPCException('Edge is not enabled.') return self._freqtrade.edge.accepted_pairs()