From c1b5dcd756eaace8c274dfdcbca701bb7197d6bd Mon Sep 17 00:00:00 2001 From: incrementby1 <91958753+incrementby1@users.noreply.github.com> Date: Wed, 27 Oct 2021 12:42:18 +0200 Subject: [PATCH] Delete freqtradebot.py --- freqtrade/freqtradebot.py | 1438 ------------------------------------- 1 file changed, 1438 deletions(-) delete mode 100644 freqtrade/freqtradebot.py diff --git a/freqtrade/freqtradebot.py b/freqtrade/freqtradebot.py deleted file mode 100644 index 850cd1700..000000000 --- a/freqtrade/freqtradebot.py +++ /dev/null @@ -1,1438 +0,0 @@ -""" -Freqtrade is the main module of this bot. It contains the class Freqtrade() -""" -import copy -import logging -import traceback -from datetime import datetime, timedelta, timezone -from math import isclose -from threading import Lock -from typing import Any, Dict, List, Optional - -import arrow - -from freqtrade import __version__, constants -from freqtrade.configuration import validate_config_consistency -from freqtrade.data.converter import order_book_to_dataframe -from freqtrade.data.dataprovider import DataProvider -from freqtrade.edge import Edge -from freqtrade.enums import RPCMessageType, SellType, State -from freqtrade.exceptions import (DependencyException, ExchangeError, InsufficientFundsError, - InvalidOrderException, PricingError) -from freqtrade.exchange import timeframe_to_minutes, timeframe_to_seconds -from freqtrade.misc import safe_value_fallback, safe_value_fallback2 -from freqtrade.mixins import LoggingMixin -from freqtrade.persistence import Order, PairLocks, Trade, cleanup_db, init_db -from freqtrade.plugins.pairlistmanager import PairListManager -from freqtrade.plugins.protectionmanager import ProtectionManager -from freqtrade.resolvers import ExchangeResolver, StrategyResolver -from freqtrade.rpc import RPCManager -from freqtrade.strategy.interface import IStrategy, SellCheckTuple -from freqtrade.strategy.strategy_wrapper import strategy_safe_wrapper -from freqtrade.wallets import Wallets - - -logger = logging.getLogger(__name__) - - -class FreqtradeBot(LoggingMixin): - """ - Freqtrade is the main class of the bot. - This is from here the bot start its logic. - """ - - def __init__(self, config: Dict[str, Any]) -> None: - """ - Init all variables and objects the bot needs to work - :param config: configuration dict, you can use Configuration.get_config() - to get the config dict. - """ - self.active_pair_whitelist: List[str] = [] - - logger.info('Starting freqtrade %s', __version__) - - # Init bot state - self.state = State.STOPPED - - # Init objects - self.config = config - - self.strategy: IStrategy = StrategyResolver.load_strategy(self.config) - - # Check config consistency here since strategies can set certain options - validate_config_consistency(config) - - self.exchange = ExchangeResolver.load_exchange(self.config['exchange']['name'], self.config) - - init_db(self.config.get('db_url', None), clean_open_orders=self.config['dry_run']) - - self.wallets = Wallets(self.config, self.exchange) - - PairLocks.timeframe = self.config['timeframe'] - - self.protections = ProtectionManager(self.config, self.strategy.protections) - - # RPC runs in separate threads, can start handling external commands just after - # initialization, even before Freqtradebot has a chance to start its throttling, - # so anything in the Freqtradebot instance should be ready (initialized), including - # the initial state of the bot. - # Keep this at the end of this initialization method. - self.rpc: RPCManager = RPCManager(self) - - self.pairlists = PairListManager(self.exchange, self.config) - - self.dataprovider = DataProvider(self.config, self.exchange, self.pairlists) - - # Attach Dataprovider to strategy instance - self.strategy.dp = self.dataprovider - # Attach Wallets to strategy instance - self.strategy.wallets = self.wallets - - # Initializing Edge only if enabled - self.edge = Edge(self.config, self.exchange, self.strategy) if \ - self.config.get('edge', {}).get('enabled', False) else None - - self.active_pair_whitelist = self._refresh_active_whitelist() - - # Set initial bot state from config - initial_state = self.config.get('initial_state') - self.state = State[initial_state.upper()] if initial_state else State.STOPPED - - # Protect sell-logic from forcesell and vice versa - self._exit_lock = Lock() - LoggingMixin.__init__(self, logger, timeframe_to_seconds(self.strategy.timeframe)) - - def notify_status(self, msg: str) -> None: - """ - Public method for users of this class (worker, etc.) to send notifications - via RPC about changes in the bot status. - """ - self.rpc.send_msg({ - 'type': RPCMessageType.STATUS, - 'status': msg - }) - - def cleanup(self) -> None: - """ - Cleanup pending resources on an already stopped bot - :return: None - """ - logger.info('Cleaning up modules ...') - - if self.config['cancel_open_orders_on_exit']: - self.cancel_all_open_orders() - - self.check_for_open_trades() - - self.rpc.cleanup() - cleanup_db() - - def startup(self) -> None: - """ - Called on startup and after reloading the bot - triggers notifications and - performs startup tasks - """ - self.rpc.startup_messages(self.config, self.pairlists, self.protections) - if not self.edge: - # Adjust stoploss if it was changed - Trade.stoploss_reinitialization(self.strategy.stoploss) - - # Only update open orders on startup - # This will update the database after the initial migration - self.startup_update_open_orders() - - def process(self) -> None: - """ - Queries the persistence layer for open trades and handles them, - otherwise a new trade is created. - :return: True if one or more trades has been created or closed, False otherwise - """ - - # Check whether markets have to be reloaded and reload them when it's needed - self.exchange.reload_markets() - - self.update_closed_trades_without_assigned_fees() - - # Query trades from persistence layer - trades = Trade.get_open_trades() - - self.active_pair_whitelist = self._refresh_active_whitelist(trades) - - # Refreshing candles - self.dataprovider.refresh(self.pairlists.create_pair_list(self.active_pair_whitelist), - self.strategy.gather_informative_pairs()) - - strategy_safe_wrapper(self.strategy.bot_loop_start, supress_error=True)() - - self.strategy.analyze(self.active_pair_whitelist) - - with self._exit_lock: - # Check and handle any timed out open orders - self.check_handle_timedout() - - # Protect from collisions with forcesell. - # Without this, freqtrade my try to recreate stoploss_on_exchange orders - # while selling is in process, since telegram messages arrive in an different thread. - with self._exit_lock: - trades = Trade.get_open_trades() - # First process current opened trades (positions) - self.exit_positions(trades) - - # Then looking for buy opportunities - if self.get_free_open_trades(): - self.enter_positions() - - Trade.commit() - - def process_stopped(self) -> None: - """ - Close all orders that were left open - """ - if self.config['cancel_open_orders_on_exit']: - self.cancel_all_open_orders() - - def check_for_open_trades(self): - """ - Notify the user when the bot is stopped - and there are still open trades active. - """ - open_trades = Trade.get_trades([Trade.is_open.is_(True)]).all() - - if len(open_trades) != 0: - msg = { - 'type': RPCMessageType.WARNING, - 'status': f"{len(open_trades)} open trades active.\n\n" - f"Handle these trades manually on {self.exchange.name}, " - f"or '/start' the bot again and use '/stopbuy' " - f"to handle open trades gracefully. \n" - f"{'Trades are simulated.' if self.config['dry_run'] else ''}", - } - self.rpc.send_msg(msg) - - def _refresh_active_whitelist(self, trades: List[Trade] = []) -> List[str]: - """ - Refresh active whitelist from pairlist or edge and extend it with - pairs that have open trades. - """ - # Refresh whitelist - self.pairlists.refresh_pairlist() - _whitelist = self.pairlists.whitelist - - # Calculating Edge positioning - if self.edge: - self.edge.calculate(_whitelist) - _whitelist = self.edge.adjust(_whitelist) - - if trades: - # Extend active-pair whitelist with pairs of open trades - # It ensures that candle (OHLCV) data are downloaded for open trades as well - _whitelist.extend([trade.pair for trade in trades if trade.pair not in _whitelist]) - return _whitelist - - def get_free_open_trades(self) -> int: - """ - Return the number of free open trades slots or 0 if - max number of open trades reached - """ - open_trades = len(Trade.get_open_trades()) - return max(0, self.config['max_open_trades'] - open_trades) - - def startup_update_open_orders(self): - """ - Updates open orders based on order list kept in the database. - Mainly updates the state of orders - but may also close trades - """ - if self.config['dry_run'] or self.config['exchange'].get('skip_open_order_update', False): - # Updating open orders in dry-run does not make sense and will fail. - return - - orders = Order.get_open_orders() - logger.info(f"Updating {len(orders)} open orders.") - for order in orders: - try: - fo = self.exchange.fetch_order_or_stoploss_order(order.order_id, order.ft_pair, - order.ft_order_side == 'stoploss') - - self.update_trade_state(order.trade, order.order_id, fo) - - except ExchangeError as e: - - logger.warning(f"Error updating Order {order.order_id} due to {e}") - - def update_closed_trades_without_assigned_fees(self): - """ - Update closed trades without close fees assigned. - Only acts when Orders are in the database, otherwise the last order-id is unknown. - """ - if self.config['dry_run']: - # Updating open orders in dry-run does not make sense and will fail. - return - - trades: List[Trade] = Trade.get_sold_trades_without_assigned_fees() - for trade in trades: - - if not trade.is_open and not trade.fee_updated('sell'): - # Get sell fee - order = trade.select_order('sell', False) - if order: - logger.info(f"Updating sell-fee on trade {trade} for order {order.order_id}.") - self.update_trade_state(trade, order.order_id, - stoploss_order=order.ft_order_side == 'stoploss') - - trades: List[Trade] = Trade.get_open_trades_without_assigned_fees() - for trade in trades: - if trade.is_open and not trade.fee_updated('buy'): - order = trade.select_order('buy', False) - if order: - logger.info(f"Updating buy-fee on trade {trade} for order {order.order_id}.") - self.update_trade_state(trade, order.order_id) - - def handle_insufficient_funds(self, trade: Trade): - """ - Determine if we ever opened a sell order for this trade. - If not, try update buy fees - otherwise "refind" the open order we obviously lost. - """ - sell_order = trade.select_order('sell', None) - if sell_order: - self.refind_lost_order(trade) - else: - self.reupdate_enter_order_fees(trade) - - def reupdate_enter_order_fees(self, trade: Trade): - """ - Get buy order from database, and try to reupdate. - Handles trades where the initial fee-update did not work. - """ - logger.info(f"Trying to reupdate buy fees for {trade}") - order = trade.select_order('buy', False) - if order: - logger.info(f"Updating buy-fee on trade {trade} for order {order.order_id}.") - self.update_trade_state(trade, order.order_id) - - def refind_lost_order(self, trade): - """ - Try refinding a lost trade. - Only used when InsufficientFunds appears on sell orders (stoploss or sell). - Tries to walk the stored orders and sell them off eventually. - """ - logger.info(f"Trying to refind lost order for {trade}") - for order in trade.orders: - logger.info(f"Trying to refind {order}") - fo = None - if not order.ft_is_open: - logger.debug(f"Order {order} is no longer open.") - continue - if order.ft_order_side == 'buy': - # Skip buy side - this is handled by reupdate_buy_order_fees - continue - try: - fo = self.exchange.fetch_order_or_stoploss_order(order.order_id, order.ft_pair, - order.ft_order_side == 'stoploss') - if order.ft_order_side == 'stoploss': - if fo and fo['status'] == 'open': - # Assume this as the open stoploss order - trade.stoploss_order_id = order.order_id - elif order.ft_order_side == 'sell': - if fo and fo['status'] == 'open': - # Assume this as the open order - trade.open_order_id = order.order_id - if fo: - logger.info(f"Found {order} for trade {trade}.") - self.update_trade_state(trade, order.order_id, fo, - stoploss_order=order.ft_order_side == 'stoploss') - - except ExchangeError: - logger.warning(f"Error updating {order.order_id}.") - -# -# BUY / enter positions / open trades logic and methods -# - - def enter_positions(self) -> int: - """ - Tries to execute buy orders for new trades (positions) - """ - trades_created = 0 - - whitelist = copy.deepcopy(self.active_pair_whitelist) - if not whitelist: - logger.info("Active pair whitelist is empty.") - return trades_created - # Remove pairs for currently opened trades from the whitelist - # Allow rebuying of the same pair if allow_position_stacking is set to True - if not self.config['allow_position_stacking']: - for trade in Trade.get_open_trades(): - if trade.pair in whitelist: - whitelist.remove(trade.pair) - logger.debug('Ignoring %s in pair whitelist', trade.pair) - - if not whitelist: - logger.info("No currency pair in active pair whitelist, " - "but checking to sell open trades.") - return trades_created - if PairLocks.is_global_lock(): - lock = PairLocks.get_pair_longest_lock('*') - if lock: - self.log_once(f"Global pairlock active until " - f"{lock.lock_end_time.strftime(constants.DATETIME_PRINT_FORMAT)}. " - f"Not creating new trades, reason: {lock.reason}.", logger.info) - else: - self.log_once("Global pairlock active. Not creating new trades.", logger.info) - return trades_created - # Create entity and execute trade for each pair from whitelist - for pair in whitelist: - try: - trades_created += self.create_trade(pair) - except DependencyException as exception: - logger.warning('Unable to create trade for %s: %s', pair, exception) - - if not trades_created: - logger.debug("Found no buy signals for whitelisted currencies. Trying again...") - - return trades_created - - def create_trade(self, pair: str) -> bool: - """ - Check the implemented trading strategy for buy signals. - - If the pair triggers the buy signal a new trade record gets created - and the buy-order opening the trade gets issued towards the exchange. - - :return: True if a trade has been created. - """ - logger.debug(f"create_trade for pair {pair}") - - analyzed_df, _ = self.dataprovider.get_analyzed_dataframe(pair, self.strategy.timeframe) - nowtime = analyzed_df.iloc[-1]['date'] if len(analyzed_df) > 0 else None - if self.strategy.is_pair_locked(pair, nowtime): - lock = PairLocks.get_pair_longest_lock(pair, nowtime) - if lock: - self.log_once(f"Pair {pair} is still locked until " - f"{lock.lock_end_time.strftime(constants.DATETIME_PRINT_FORMAT)} " - f"due to {lock.reason}.", - logger.info) - else: - self.log_once(f"Pair {pair} is still locked.", logger.info) - return False - - # get_free_open_trades is checked before create_trade is called - # but it is still used here to prevent opening too many trades within one iteration - if not self.get_free_open_trades(): - logger.debug(f"Can't open a new trade for {pair}: max number of trades is reached.") - return False - - # running get_signal on historical data fetched - (buy, sell, buy_tag) = self.strategy.get_signal( - pair, - self.strategy.timeframe, - analyzed_df - ) - - if buy and not sell: - stake_amount = self.wallets.get_trade_stake_amount(pair, self.edge) - - bid_check_dom = self.config.get('bid_strategy', {}).get('check_depth_of_market', {}) - if ((bid_check_dom.get('enabled', False)) and - (bid_check_dom.get('bids_to_ask_delta', 0) > 0)): - if self._check_depth_of_market_buy(pair, bid_check_dom): - return self.execute_entry(pair, stake_amount, buy_tag=buy_tag) - else: - return False - - return self.execute_entry(pair, stake_amount, buy_tag=buy_tag) - else: - return False - - def _check_depth_of_market_buy(self, pair: str, conf: Dict) -> bool: - """ - Checks depth of market before executing a buy - """ - conf_bids_to_ask_delta = conf.get('bids_to_ask_delta', 0) - logger.info(f"Checking depth of market for {pair} ...") - order_book = self.exchange.fetch_l2_order_book(pair, 1000) - order_book_data_frame = order_book_to_dataframe(order_book['bids'], order_book['asks']) - order_book_bids = order_book_data_frame['b_size'].sum() - order_book_asks = order_book_data_frame['a_size'].sum() - bids_ask_delta = order_book_bids / order_book_asks - logger.info( - f"Bids: {order_book_bids}, Asks: {order_book_asks}, Delta: {bids_ask_delta}, " - f"Bid Price: {order_book['bids'][0][0]}, Ask Price: {order_book['asks'][0][0]}, " - f"Immediate Bid Quantity: {order_book['bids'][0][1]}, " - f"Immediate Ask Quantity: {order_book['asks'][0][1]}." - ) - if bids_ask_delta >= conf_bids_to_ask_delta: - logger.info(f"Bids to asks delta for {pair} DOES satisfy condition.") - return True - else: - logger.info(f"Bids to asks delta for {pair} does not satisfy condition.") - return False - - def execute_entry(self, pair: str, stake_amount: float, price: Optional[float] = None, - forcebuy: bool = False, buy_tag: Optional[str] = None) -> bool: - """ - Executes a limit buy for the given pair - :param pair: pair for which we want to create a LIMIT_BUY - :param stake_amount: amount of stake-currency for the pair - :return: True if a buy order is created, false if it fails. - """ - time_in_force = self.strategy.order_time_in_force['buy'] - - if price: - enter_limit_requested = price - else: - # Calculate price - proposed_enter_rate = self.exchange.get_rate(pair, refresh=True, side="buy") - custom_entry_price = strategy_safe_wrapper(self.strategy.custom_entry_price, - default_retval=proposed_enter_rate)( - pair=pair, current_time=datetime.now(timezone.utc), - proposed_rate=proposed_enter_rate) - - enter_limit_requested = self.get_valid_price(custom_entry_price, proposed_enter_rate) - - if not enter_limit_requested: - raise PricingError('Could not determine buy price.') - - min_stake_amount = self.exchange.get_min_pair_stake_amount(pair, enter_limit_requested, - self.strategy.stoploss) - - if not self.edge: - max_stake_amount = self.wallets.get_available_stake_amount() - stake_amount = strategy_safe_wrapper(self.strategy.custom_stake_amount, - default_retval=stake_amount)( - pair=pair, current_time=datetime.now(timezone.utc), - current_rate=enter_limit_requested, proposed_stake=stake_amount, - min_stake=min_stake_amount, max_stake=max_stake_amount) - stake_amount = self.wallets._validate_stake_amount(pair, stake_amount, min_stake_amount) - - if not stake_amount: - return False - - logger.info(f"Buy signal found: about create a new trade for {pair} with stake_amount: " - f"{stake_amount} ...") - - amount = stake_amount / enter_limit_requested - order_type = self.strategy.order_types['buy'] - if forcebuy: - # Forcebuy can define a different ordertype - order_type = self.strategy.order_types.get('forcebuy', order_type) - - if not strategy_safe_wrapper(self.strategy.confirm_trade_entry, default_retval=True)( - pair=pair, order_type=order_type, amount=amount, rate=enter_limit_requested, - time_in_force=time_in_force, current_time=datetime.now(timezone.utc)): - logger.info(f"User requested abortion of buying {pair}") - return False - amount = self.exchange.amount_to_precision(pair, amount) - order = self.exchange.create_order(pair=pair, ordertype=order_type, side="buy", - amount=amount, rate=enter_limit_requested, - time_in_force=time_in_force) - order_obj = Order.parse_from_ccxt_object(order, pair, 'buy') - order_id = order['id'] - order_status = order.get('status', None) - - # we assume the order is executed at the price requested - enter_limit_filled_price = enter_limit_requested - amount_requested = amount - - if order_status == 'expired' or order_status == 'rejected': - order_tif = self.strategy.order_time_in_force['buy'] - - # return false if the order is not filled - if float(order['filled']) == 0: - logger.warning('Buy %s order with time in force %s for %s is %s by %s.' - ' zero amount is fulfilled.', - order_tif, order_type, pair, order_status, self.exchange.name) - return False - else: - # the order is partially fulfilled - # in case of IOC orders we can check immediately - # if the order is fulfilled fully or partially - logger.warning('Buy %s order with time in force %s for %s is %s by %s.' - ' %s amount fulfilled out of %s (%s remaining which is canceled).', - order_tif, order_type, pair, order_status, self.exchange.name, - order['filled'], order['amount'], order['remaining'] - ) - stake_amount = order['cost'] - amount = safe_value_fallback(order, 'filled', 'amount') - enter_limit_filled_price = safe_value_fallback(order, 'average', 'price') - - # in case of FOK the order may be filled immediately and fully - elif order_status == 'closed': - stake_amount = order['cost'] - amount = safe_value_fallback(order, 'filled', 'amount') - enter_limit_filled_price = safe_value_fallback(order, 'average', 'price') - - # Fee is applied twice because we make a LIMIT_BUY and LIMIT_SELL - fee = self.exchange.get_fee(symbol=pair, taker_or_maker='maker') - trade = Trade( - pair=pair, - stake_amount=stake_amount, - amount=amount, - is_open=True, - amount_requested=amount_requested, - fee_open=fee, - fee_close=fee, - open_rate=enter_limit_filled_price, - open_rate_requested=enter_limit_requested, - open_date=datetime.utcnow(), - exchange=self.exchange.id, - open_order_id=order_id, - strategy=self.strategy.get_strategy_name(), - buy_tag=buy_tag, - timeframe=timeframe_to_minutes(self.config['timeframe']) - ) - trade.orders.append(order_obj) - - # Update fees if order is closed - if order_status == 'closed': - self.update_trade_state(trade, order_id, order) - - Trade.query.session.add(trade) - Trade.commit() - - # Updating wallets - self.wallets.update() - - self._notify_enter(trade, order_type) - - # Lock pair for 1 timeframe duration to prevent immediate rebuys - if self.config['allow_position_stacking']: - self.strategy.lock_pair(trade.pair, datetime.now(timezone.utc) + timedelta(minutes=timeframe_to_minutes(self.config['timeframe'])), - reason='Prevent immediate rebuys') - - return True - - def _notify_enter(self, trade: Trade, order_type: str) -> None: - """ - Sends rpc notification when a buy occurred. - """ - msg = { - 'trade_id': trade.id, - 'type': RPCMessageType.BUY, - 'buy_tag': trade.buy_tag, - 'exchange': self.exchange.name.capitalize(), - 'pair': trade.pair, - 'limit': trade.open_rate, - 'order_type': order_type, - 'stake_amount': trade.stake_amount, - 'stake_currency': self.config['stake_currency'], - 'fiat_currency': self.config.get('fiat_display_currency', None), - 'amount': trade.amount, - 'open_date': trade.open_date or datetime.utcnow(), - 'current_rate': trade.open_rate_requested, - } - - # Send the message - self.rpc.send_msg(msg) - - def _notify_enter_cancel(self, trade: Trade, order_type: str, reason: str) -> None: - """ - Sends rpc notification when a buy cancel occurred. - """ - current_rate = self.exchange.get_rate(trade.pair, refresh=False, side="buy") - - msg = { - 'trade_id': trade.id, - 'type': RPCMessageType.BUY_CANCEL, - 'buy_tag': trade.buy_tag, - 'exchange': self.exchange.name.capitalize(), - 'pair': trade.pair, - 'limit': trade.open_rate, - 'order_type': order_type, - 'stake_amount': trade.stake_amount, - 'stake_currency': self.config['stake_currency'], - 'fiat_currency': self.config.get('fiat_display_currency', None), - 'amount': trade.amount, - 'open_date': trade.open_date, - 'current_rate': current_rate, - 'reason': reason, - } - - # Send the message - self.rpc.send_msg(msg) - - def _notify_enter_fill(self, trade: Trade) -> None: - msg = { - 'trade_id': trade.id, - 'type': RPCMessageType.BUY_FILL, - 'buy_tag': trade.buy_tag, - 'exchange': self.exchange.name.capitalize(), - 'pair': trade.pair, - 'open_rate': trade.open_rate, - 'stake_amount': trade.stake_amount, - 'stake_currency': self.config['stake_currency'], - 'fiat_currency': self.config.get('fiat_display_currency', None), - 'amount': trade.amount, - 'open_date': trade.open_date, - } - self.rpc.send_msg(msg) - -# -# SELL / exit positions / close trades logic and methods -# - - def exit_positions(self, trades: List[Any]) -> int: - """ - Tries to execute sell orders for open trades (positions) - """ - trades_closed = 0 - for trade in trades: - try: - - if (self.strategy.order_types.get('stoploss_on_exchange') and - self.handle_stoploss_on_exchange(trade)): - trades_closed += 1 - Trade.commit() - continue - # Check if we can sell our current pair - if trade.open_order_id is None and trade.is_open and self.handle_trade(trade): - trades_closed += 1 - - except DependencyException as exception: - logger.warning('Unable to sell trade %s: %s', trade.pair, exception) - - # Updating wallets if any trade occurred - if trades_closed: - self.wallets.update() - - return trades_closed - - def handle_trade(self, trade: Trade) -> bool: - """ - Sells the current pair if the threshold is reached and updates the trade record. - :return: True if trade has been sold, False otherwise - """ - if not trade.is_open: - raise DependencyException(f'Attempt to handle closed trade: {trade}') - - logger.debug('Handling %s ...', trade) - - (buy, sell) = (False, False) - - if (self.config.get('use_sell_signal', True) or - self.config.get('ignore_roi_if_buy_signal', False)): - analyzed_df, _ = self.dataprovider.get_analyzed_dataframe(trade.pair, - self.strategy.timeframe) - - (buy, sell, _) = self.strategy.get_signal( - trade.pair, - self.strategy.timeframe, - analyzed_df - ) - - logger.debug('checking sell') - exit_rate = self.exchange.get_rate(trade.pair, refresh=True, side="sell") - if self._check_and_execute_exit(trade, exit_rate, buy, sell): - return True - - logger.debug('Found no sell signal for %s.', trade) - return False - - def create_stoploss_order(self, trade: Trade, stop_price: float) -> bool: - """ - Abstracts creating stoploss orders from the logic. - Handles errors and updates the trade database object. - Force-sells the pair (using EmergencySell reason) in case of Problems creating the order. - :return: True if the order succeeded, and False in case of problems. - """ - try: - stoploss_order = self.exchange.stoploss(pair=trade.pair, amount=trade.amount, - stop_price=stop_price, - order_types=self.strategy.order_types) - - order_obj = Order.parse_from_ccxt_object(stoploss_order, trade.pair, 'stoploss') - trade.orders.append(order_obj) - trade.stoploss_order_id = str(stoploss_order['id']) - return True - except InsufficientFundsError as e: - logger.warning(f"Unable to place stoploss order {e}.") - # Try to figure out what went wrong - self.handle_insufficient_funds(trade) - - except InvalidOrderException as e: - trade.stoploss_order_id = None - logger.error(f'Unable to place a stoploss order on exchange. {e}') - logger.warning('Exiting the trade forcefully') - self.execute_trade_exit(trade, trade.stop_loss, sell_reason=SellCheckTuple( - sell_type=SellType.EMERGENCY_SELL)) - - except ExchangeError: - trade.stoploss_order_id = None - logger.exception('Unable to place a stoploss order on exchange.') - return False - - def handle_stoploss_on_exchange(self, trade: Trade) -> bool: - """ - Check if trade is fulfilled in which case the stoploss - on exchange should be added immediately if stoploss on exchange - is enabled. - """ - - logger.debug('Handling stoploss on exchange %s ...', trade) - - stoploss_order = None - - try: - # First we check if there is already a stoploss on exchange - stoploss_order = self.exchange.fetch_stoploss_order( - trade.stoploss_order_id, trade.pair) if trade.stoploss_order_id else None - except InvalidOrderException as exception: - logger.warning('Unable to fetch stoploss order: %s', exception) - - if stoploss_order: - trade.update_order(stoploss_order) - - # We check if stoploss order is fulfilled - if stoploss_order and stoploss_order['status'] in ('closed', 'triggered'): - trade.sell_reason = SellType.STOPLOSS_ON_EXCHANGE.value - self.update_trade_state(trade, trade.stoploss_order_id, stoploss_order, - stoploss_order=True) - # Lock pair for one candle to prevent immediate rebuys - self.strategy.lock_pair(trade.pair, datetime.now(timezone.utc), - reason='Auto lock') - self._notify_exit(trade, "stoploss") - return True - - if trade.open_order_id or not trade.is_open: - # Trade has an open Buy or Sell order, Stoploss-handling can't happen in this case - # as the Amount on the exchange is tied up in another trade. - # The trade can be closed already (sell-order fill confirmation came in this iteration) - return False - - # If buy order is fulfilled but there is no stoploss, we add a stoploss on exchange - if not stoploss_order: - stoploss = self.edge.stoploss(pair=trade.pair) if self.edge else self.strategy.stoploss - stop_price = trade.open_rate * (1 + stoploss) - - if self.create_stoploss_order(trade=trade, stop_price=stop_price): - trade.stoploss_last_update = datetime.utcnow() - return False - - # If stoploss order is canceled for some reason we add it - if stoploss_order and stoploss_order['status'] in ('canceled', 'cancelled'): - if self.create_stoploss_order(trade=trade, stop_price=trade.stop_loss): - return False - else: - trade.stoploss_order_id = None - logger.warning('Stoploss order was cancelled, but unable to recreate one.') - - # Finally we check if stoploss on exchange should be moved up because of trailing. - # Triggered Orders are now real orders - so don't replace stoploss anymore - if ( - stoploss_order - and stoploss_order.get('status_stop') != 'triggered' - and (self.config.get('trailing_stop', False) - or self.config.get('use_custom_stoploss', False)) - ): - # if trailing stoploss is enabled we check if stoploss value has changed - # in which case we cancel stoploss order and put another one with new - # value immediately - self.handle_trailing_stoploss_on_exchange(trade, stoploss_order) - - return False - - def handle_trailing_stoploss_on_exchange(self, trade: Trade, order: dict) -> None: - """ - Check to see if stoploss on exchange should be updated - in case of trailing stoploss on exchange - :param trade: Corresponding Trade - :param order: Current on exchange stoploss order - :return: None - """ - if self.exchange.stoploss_adjust(trade.stop_loss, order): - # we check if the update is necessary - update_beat = self.strategy.order_types.get('stoploss_on_exchange_interval', 60) - if (datetime.utcnow() - trade.stoploss_last_update).total_seconds() >= update_beat: - # cancelling the current stoploss on exchange first - logger.info(f"Cancelling current stoploss on exchange for pair {trade.pair} " - f"(orderid:{order['id']}) in order to add another one ...") - try: - co = self.exchange.cancel_stoploss_order_with_result(order['id'], trade.pair, - trade.amount) - trade.update_order(co) - except InvalidOrderException: - logger.exception(f"Could not cancel stoploss order {order['id']} " - f"for pair {trade.pair}") - - # Create new stoploss order - if not self.create_stoploss_order(trade=trade, stop_price=trade.stop_loss): - logger.warning(f"Could not create trailing stoploss order " - f"for pair {trade.pair}.") - - def _check_and_execute_exit(self, trade: Trade, exit_rate: float, - buy: bool, sell: bool) -> bool: - """ - Check and execute exit - """ - should_sell = self.strategy.should_sell( - trade, exit_rate, datetime.now(timezone.utc), buy, sell, - force_stoploss=self.edge.stoploss(trade.pair) if self.edge else 0 - ) - - if should_sell.sell_flag: - logger.info(f'Executing Sell for {trade.pair}. Reason: {should_sell.sell_type}') - self.execute_trade_exit(trade, exit_rate, should_sell) - return True - return False - - def _check_timed_out(self, side: str, order: dict) -> bool: - """ - Check if timeout is active, and if the order is still open and timed out - """ - timeout = self.config.get('unfilledtimeout', {}).get(side) - ordertime = arrow.get(order['datetime']).datetime - if timeout is not None: - timeout_unit = self.config.get('unfilledtimeout', {}).get('unit', 'minutes') - timeout_kwargs = {timeout_unit: -timeout} - timeout_threshold = arrow.utcnow().shift(**timeout_kwargs).datetime - return (order['status'] == 'open' and order['side'] == side - and ordertime < timeout_threshold) - return False - - def check_handle_timedout(self) -> None: - """ - Check if any orders are timed out and cancel if necessary - :param timeoutvalue: Number of minutes until order is considered timed out - :return: None - """ - - for trade in Trade.get_open_order_trades(): - try: - if not trade.open_order_id: - continue - order = self.exchange.fetch_order(trade.open_order_id, trade.pair) - except (ExchangeError): - logger.info('Cannot query order for %s due to %s', trade, traceback.format_exc()) - continue - - fully_cancelled = self.update_trade_state(trade, trade.open_order_id, order) - - if (order['side'] == 'buy' and (order['status'] == 'open' or fully_cancelled) and ( - fully_cancelled - or self._check_timed_out('buy', order) - or strategy_safe_wrapper(self.strategy.check_buy_timeout, - default_retval=False)(pair=trade.pair, - trade=trade, - order=order))): - self.handle_cancel_enter(trade, order, constants.CANCEL_REASON['TIMEOUT']) - - elif (order['side'] == 'sell' and (order['status'] == 'open' or fully_cancelled) and ( - fully_cancelled - or self._check_timed_out('sell', order) - or strategy_safe_wrapper(self.strategy.check_sell_timeout, - default_retval=False)(pair=trade.pair, - trade=trade, - order=order))): - self.handle_cancel_exit(trade, order, constants.CANCEL_REASON['TIMEOUT']) - - def cancel_all_open_orders(self) -> None: - """ - Cancel all orders that are currently open - :return: None - """ - - for trade in Trade.get_open_order_trades(): - try: - order = self.exchange.fetch_order(trade.open_order_id, trade.pair) - except (ExchangeError): - logger.info('Cannot query order for %s due to %s', trade, traceback.format_exc()) - continue - - if order['side'] == 'buy': - self.handle_cancel_enter(trade, order, constants.CANCEL_REASON['ALL_CANCELLED']) - - elif order['side'] == 'sell': - self.handle_cancel_exit(trade, order, constants.CANCEL_REASON['ALL_CANCELLED']) - Trade.commit() - - def handle_cancel_enter(self, trade: Trade, order: Dict, reason: str) -> bool: - """ - Buy cancel - cancel order - :return: True if order was fully cancelled - """ - was_trade_fully_canceled = False - - # Cancelled orders may have the status of 'canceled' or 'closed' - if order['status'] not in constants.NON_OPEN_EXCHANGE_STATES: - filled_val = order.get('filled', 0.0) or 0.0 - filled_stake = filled_val * trade.open_rate - minstake = self.exchange.get_min_pair_stake_amount( - trade.pair, trade.open_rate, self.strategy.stoploss) - - if filled_val > 0 and filled_stake < minstake: - logger.warning( - f"Order {trade.open_order_id} for {trade.pair} not cancelled, " - f"as the filled amount of {filled_val} would result in an unsellable trade.") - return False - corder = self.exchange.cancel_order_with_result(trade.open_order_id, trade.pair, - trade.amount) - # Avoid race condition where the order could not be cancelled coz its already filled. - # Simply bailing here is the only safe way - as this order will then be - # handled in the next iteration. - if corder.get('status') not in constants.NON_OPEN_EXCHANGE_STATES: - logger.warning(f"Order {trade.open_order_id} for {trade.pair} not cancelled.") - return False - else: - # Order was cancelled already, so we can reuse the existing dict - corder = order - reason = constants.CANCEL_REASON['CANCELLED_ON_EXCHANGE'] - - logger.info('Buy order %s for %s.', reason, trade) - - # Using filled to determine the filled amount - filled_amount = safe_value_fallback2(corder, order, 'filled', 'filled') - if isclose(filled_amount, 0.0, abs_tol=constants.MATH_CLOSE_PREC): - logger.info('Buy order fully cancelled. Removing %s from database.', trade) - # if trade is not partially completed, just delete the trade - trade.delete() - was_trade_fully_canceled = True - reason += f", {constants.CANCEL_REASON['FULLY_CANCELLED']}" - else: - # if trade is partially complete, edit the stake details for the trade - # and close the order - # cancel_order may not contain the full order dict, so we need to fallback - # to the order dict acquired before cancelling. - # we need to fall back to the values from order if corder does not contain these keys. - trade.amount = filled_amount - trade.stake_amount = trade.amount * trade.open_rate - self.update_trade_state(trade, trade.open_order_id, corder) - - trade.open_order_id = None - logger.info('Partial buy order timeout for %s.', trade) - reason += f", {constants.CANCEL_REASON['PARTIALLY_FILLED']}" - - self.wallets.update() - self._notify_enter_cancel(trade, order_type=self.strategy.order_types['buy'], - reason=reason) - return was_trade_fully_canceled - - def handle_cancel_exit(self, trade: Trade, order: Dict, reason: str) -> str: - """ - Sell cancel - cancel order and update trade - :return: Reason for cancel - """ - # if trade is not partially completed, just cancel the order - if order['remaining'] == order['amount'] or order.get('filled') == 0.0: - if not self.exchange.check_order_canceled_empty(order): - try: - # if trade is not partially completed, just delete the order - co = self.exchange.cancel_order_with_result(trade.open_order_id, trade.pair, - trade.amount) - trade.update_order(co) - except InvalidOrderException: - logger.exception(f"Could not cancel sell order {trade.open_order_id}") - return 'error cancelling order' - logger.info('Sell order %s for %s.', reason, trade) - else: - reason = constants.CANCEL_REASON['CANCELLED_ON_EXCHANGE'] - logger.info('Sell order %s for %s.', reason, trade) - trade.update_order(order) - - trade.close_rate = None - trade.close_rate_requested = None - trade.close_profit = None - trade.close_profit_abs = None - trade.close_date = None - trade.is_open = True - trade.open_order_id = None - else: - # TODO: figure out how to handle partially complete sell orders - reason = constants.CANCEL_REASON['PARTIALLY_FILLED_KEEP_OPEN'] - - self.wallets.update() - self._notify_exit_cancel( - trade, - order_type=self.strategy.order_types['sell'], - reason=reason - ) - return reason - - def _safe_exit_amount(self, pair: str, amount: float) -> float: - """ - Get sellable amount. - Should be trade.amount - but will fall back to the available amount if necessary. - This should cover cases where get_real_amount() was not able to update the amount - for whatever reason. - :param pair: Pair we're trying to sell - :param amount: amount we expect to be available - :return: amount to sell - :raise: DependencyException: if available balance is not within 2% of the available amount. - """ - # Update wallets to ensure amounts tied up in a stoploss is now free! - self.wallets.update() - trade_base_currency = self.exchange.get_pair_base_currency(pair) - wallet_amount = self.wallets.get_free(trade_base_currency) - logger.debug(f"{pair} - Wallet: {wallet_amount} - Trade-amount: {amount}") - if wallet_amount >= amount: - return amount - elif wallet_amount > amount * 0.98: - logger.info(f"{pair} - Falling back to wallet-amount {wallet_amount} -> {amount}.") - return wallet_amount - else: - raise DependencyException( - f"Not enough amount to sell. Trade-amount: {amount}, Wallet: {wallet_amount}") - - def execute_trade_exit(self, trade: Trade, limit: float, sell_reason: SellCheckTuple) -> bool: - """ - Executes a trade exit for the given trade and limit - :param trade: Trade instance - :param limit: limit rate for the sell order - :param sell_reason: Reason the sell was triggered - :return: True if it succeeds (supported) False (not supported) - """ - sell_type = 'sell' - if sell_reason.sell_type in (SellType.STOP_LOSS, SellType.TRAILING_STOP_LOSS): - sell_type = 'stoploss' - - # if stoploss is on exchange and we are on dry_run mode, - # we consider the sell price stop price - if self.config['dry_run'] and sell_type == 'stoploss' \ - and self.strategy.order_types['stoploss_on_exchange']: - limit = trade.stop_loss - - # set custom_exit_price if available - proposed_limit_rate = limit - current_profit = trade.calc_profit_ratio(limit) - custom_exit_price = strategy_safe_wrapper(self.strategy.custom_exit_price, - default_retval=proposed_limit_rate)( - pair=trade.pair, trade=trade, - current_time=datetime.now(timezone.utc), - proposed_rate=proposed_limit_rate, current_profit=current_profit) - - limit = self.get_valid_price(custom_exit_price, proposed_limit_rate) - - # First cancelling stoploss on exchange ... - if self.strategy.order_types.get('stoploss_on_exchange') and trade.stoploss_order_id: - try: - co = self.exchange.cancel_stoploss_order_with_result(trade.stoploss_order_id, - trade.pair, trade.amount) - trade.update_order(co) - except InvalidOrderException: - logger.exception(f"Could not cancel stoploss order {trade.stoploss_order_id}") - - order_type = self.strategy.order_types[sell_type] - if sell_reason.sell_type == SellType.EMERGENCY_SELL: - # Emergency sells (default to market!) - order_type = self.strategy.order_types.get("emergencysell", "market") - if sell_reason.sell_type == SellType.FORCE_SELL: - # Force sells (default to the sell_type defined in the strategy, - # but we allow this value to be changed) - order_type = self.strategy.order_types.get("forcesell", order_type) - - amount = self._safe_exit_amount(trade.pair, trade.amount) - time_in_force = self.strategy.order_time_in_force['sell'] - - if not strategy_safe_wrapper(self.strategy.confirm_trade_exit, default_retval=True)( - pair=trade.pair, trade=trade, order_type=order_type, amount=amount, rate=limit, - time_in_force=time_in_force, sell_reason=sell_reason.sell_reason, - current_time=datetime.now(timezone.utc)): - logger.info(f"User requested abortion of selling {trade.pair}") - return False - - try: - # Execute sell and update trade record - order = self.exchange.create_order(pair=trade.pair, - ordertype=order_type, side="sell", - amount=amount, rate=limit, - time_in_force=time_in_force - ) - except InsufficientFundsError as e: - logger.warning(f"Unable to place order {e}.") - # Try to figure out what went wrong - self.handle_insufficient_funds(trade) - return False - - order_obj = Order.parse_from_ccxt_object(order, trade.pair, 'sell') - trade.orders.append(order_obj) - - trade.open_order_id = order['id'] - trade.sell_order_status = '' - trade.close_rate_requested = limit - trade.sell_reason = sell_reason.sell_reason - # In case of market sell orders the order can be closed immediately - if order.get('status', 'unknown') in ('closed', 'expired'): - self.update_trade_state(trade, trade.open_order_id, order) - Trade.commit() - - # Lock pair for one candle to prevent immediate re-buys - self.strategy.lock_pair(trade.pair, datetime.now(timezone.utc), - reason='Auto lock') - - self._notify_exit(trade, order_type) - - return True - - def _notify_exit(self, trade: Trade, order_type: str, fill: bool = False) -> None: - """ - Sends rpc notification when a sell occurred. - """ - profit_rate = trade.close_rate if trade.close_rate else trade.close_rate_requested - profit_trade = trade.calc_profit(rate=profit_rate) - # Use cached rates here - it was updated seconds ago. - current_rate = self.exchange.get_rate( - trade.pair, refresh=False, side="sell") if not fill else None - profit_ratio = trade.calc_profit_ratio(profit_rate) - gain = "profit" if profit_ratio > 0 else "loss" - - msg = { - 'type': (RPCMessageType.SELL_FILL if fill - else RPCMessageType.SELL), - 'trade_id': trade.id, - 'exchange': trade.exchange.capitalize(), - 'pair': trade.pair, - 'gain': gain, - 'limit': profit_rate, - 'order_type': order_type, - 'amount': trade.amount, - 'open_rate': trade.open_rate, - 'close_rate': trade.close_rate, - 'current_rate': current_rate, - 'profit_amount': profit_trade, - 'profit_ratio': profit_ratio, - 'sell_reason': trade.sell_reason, - 'open_date': trade.open_date, - 'close_date': trade.close_date or datetime.utcnow(), - 'stake_currency': self.config['stake_currency'], - 'fiat_currency': self.config.get('fiat_display_currency', None), - } - - if 'fiat_display_currency' in self.config: - msg.update({ - 'fiat_currency': self.config['fiat_display_currency'], - }) - - # Send the message - self.rpc.send_msg(msg) - - def _notify_exit_cancel(self, trade: Trade, order_type: str, reason: str) -> None: - """ - Sends rpc notification when a sell cancel occurred. - """ - if trade.sell_order_status == reason: - return - else: - trade.sell_order_status = reason - - profit_rate = trade.close_rate if trade.close_rate else trade.close_rate_requested - profit_trade = trade.calc_profit(rate=profit_rate) - current_rate = self.exchange.get_rate(trade.pair, refresh=False, side="sell") - profit_ratio = trade.calc_profit_ratio(profit_rate) - gain = "profit" if profit_ratio > 0 else "loss" - - msg = { - 'type': RPCMessageType.SELL_CANCEL, - 'trade_id': trade.id, - 'exchange': trade.exchange.capitalize(), - 'pair': trade.pair, - 'gain': gain, - 'limit': profit_rate or 0, - 'order_type': order_type, - 'amount': trade.amount, - 'open_rate': trade.open_rate, - 'current_rate': current_rate, - 'profit_amount': profit_trade, - 'profit_ratio': profit_ratio, - 'sell_reason': trade.sell_reason, - 'open_date': trade.open_date, - 'close_date': trade.close_date or datetime.now(timezone.utc), - 'stake_currency': self.config['stake_currency'], - 'fiat_currency': self.config.get('fiat_display_currency', None), - 'reason': reason, - } - - if 'fiat_display_currency' in self.config: - msg.update({ - 'fiat_currency': self.config['fiat_display_currency'], - }) - - # Send the message - self.rpc.send_msg(msg) - -# -# Common update trade state methods -# - - def update_trade_state(self, trade: Trade, order_id: str, action_order: Dict[str, Any] = None, - stoploss_order: bool = False) -> bool: - """ - Checks trades with open orders and updates the amount if necessary - Handles closing both buy and sell orders. - :param trade: Trade object of the trade we're analyzing - :param order_id: Order-id of the order we're analyzing - :param action_order: Already acquired order object - :return: True if order has been cancelled without being filled partially, False otherwise - """ - if not order_id: - logger.warning(f'Orderid for trade {trade} is empty.') - return False - - # Update trade with order values - logger.info('Found open order for %s', trade) - try: - order = action_order or self.exchange.fetch_order_or_stoploss_order(order_id, - trade.pair, - stoploss_order) - except InvalidOrderException as exception: - logger.warning('Unable to fetch order %s: %s', order_id, exception) - return False - - trade.update_order(order) - - # Try update amount (binance-fix) - try: - new_amount = self.get_real_amount(trade, order) - if not isclose(safe_value_fallback(order, 'filled', 'amount'), new_amount, - abs_tol=constants.MATH_CLOSE_PREC): - order['amount'] = new_amount - order.pop('filled', None) - trade.recalc_open_trade_value() - except DependencyException as exception: - logger.warning("Could not update trade amount: %s", exception) - - if self.exchange.check_order_canceled_empty(order): - # Trade has been cancelled on exchange - # Handling of this will happen in check_handle_timeout. - return True - trade.update(order) - Trade.commit() - - # Updating wallets when order is closed - if not trade.is_open: - if not stoploss_order and not trade.open_order_id: - self._notify_exit(trade, '', True) - self.handle_protections(trade.pair) - self.wallets.update() - elif not trade.open_order_id: - # Buy fill - self._notify_enter_fill(trade) - - return False - - def handle_protections(self, pair: str) -> None: - prot_trig = self.protections.stop_per_pair(pair) - if prot_trig: - msg = {'type': RPCMessageType.PROTECTION_TRIGGER, } - msg.update(prot_trig.to_json()) - self.rpc.send_msg(msg) - - prot_trig_glb = self.protections.global_stop() - if prot_trig_glb: - msg = {'type': RPCMessageType.PROTECTION_TRIGGER_GLOBAL, } - msg.update(prot_trig_glb.to_json()) - self.rpc.send_msg(msg) - - def apply_fee_conditional(self, trade: Trade, trade_base_currency: str, - amount: float, fee_abs: float) -> float: - """ - Applies the fee to amount (either from Order or from Trades). - Can eat into dust if more than the required asset is available. - """ - self.wallets.update() - if fee_abs != 0 and self.wallets.get_free(trade_base_currency) >= amount: - # Eat into dust if we own more than base currency - logger.info(f"Fee amount for {trade} was in base currency - " - f"Eating Fee {fee_abs} into dust.") - elif fee_abs != 0: - real_amount = self.exchange.amount_to_precision(trade.pair, amount - fee_abs) - logger.info(f"Applying fee on amount for {trade} " - f"(from {amount} to {real_amount}).") - return real_amount - return amount - - def get_real_amount(self, trade: Trade, order: Dict) -> float: - """ - Detect and update trade fee. - Calls trade.update_fee() upon correct detection. - Returns modified amount if the fee was taken from the destination currency. - Necessary for exchanges which charge fees in base currency (e.g. binance) - :return: identical (or new) amount for the trade - """ - # Init variables - order_amount = safe_value_fallback(order, 'filled', 'amount') - # Only run for closed orders - if trade.fee_updated(order.get('side', '')) or order['status'] == 'open': - return order_amount - - trade_base_currency = self.exchange.get_pair_base_currency(trade.pair) - # use fee from order-dict if possible - if self.exchange.order_has_fee(order): - fee_cost, fee_currency, fee_rate = self.exchange.extract_cost_curr_rate(order) - logger.info(f"Fee for Trade {trade} [{order.get('side')}]: " - f"{fee_cost:.8g} {fee_currency} - rate: {fee_rate}") - if fee_rate is None or fee_rate < 0.02: - # Reject all fees that report as > 2%. - # These are most likely caused by a parsing bug in ccxt - # due to multiple trades (https://github.com/ccxt/ccxt/issues/8025) - trade.update_fee(fee_cost, fee_currency, fee_rate, order.get('side', '')) - if trade_base_currency == fee_currency: - # Apply fee to amount - return self.apply_fee_conditional(trade, trade_base_currency, - amount=order_amount, fee_abs=fee_cost) - return order_amount - return self.fee_detection_from_trades(trade, order, order_amount) - - def fee_detection_from_trades(self, trade: Trade, order: Dict, order_amount: float) -> float: - """ - fee-detection fallback to Trades. Parses result of fetch_my_trades to get correct fee. - """ - trades = self.exchange.get_trades_for_order(self.exchange.get_order_id_conditional(order), - trade.pair, trade.open_date) - - if len(trades) == 0: - logger.info("Applying fee on amount for %s failed: myTrade-Dict empty found", trade) - return order_amount - fee_currency = None - amount = 0 - fee_abs = 0.0 - fee_cost = 0.0 - trade_base_currency = self.exchange.get_pair_base_currency(trade.pair) - fee_rate_array: List[float] = [] - for exectrade in trades: - amount += exectrade['amount'] - if self.exchange.order_has_fee(exectrade): - fee_cost_, fee_currency, fee_rate_ = self.exchange.extract_cost_curr_rate(exectrade) - fee_cost += fee_cost_ - if fee_rate_ is not None: - fee_rate_array.append(fee_rate_) - # only applies if fee is in quote currency! - if trade_base_currency == fee_currency: - fee_abs += fee_cost_ - # Ensure at least one trade was found: - if fee_currency: - # fee_rate should use mean - fee_rate = sum(fee_rate_array) / float(len(fee_rate_array)) if fee_rate_array else None - if fee_rate is not None and fee_rate < 0.02: - # Only update if fee-rate is < 2% - trade.update_fee(fee_cost, fee_currency, fee_rate, order.get('side', '')) - - if not isclose(amount, order_amount, abs_tol=constants.MATH_CLOSE_PREC): - logger.warning(f"Amount {amount} does not match amount {trade.amount}") - raise DependencyException("Half bought? Amounts don't match") - - if fee_abs != 0: - return self.apply_fee_conditional(trade, trade_base_currency, - amount=amount, fee_abs=fee_abs) - else: - return amount - - def get_valid_price(self, custom_price: float, proposed_price: float) -> float: - """ - Return the valid price. - Check if the custom price is of the good type if not return proposed_price - :return: valid price for the order - """ - if custom_price: - try: - valid_custom_price = float(custom_price) - except ValueError: - valid_custom_price = proposed_price - else: - valid_custom_price = proposed_price - - cust_p_max_dist_r = self.config.get('custom_price_max_distance_ratio', 0.02) - min_custom_price_allowed = proposed_price - (proposed_price * cust_p_max_dist_r) - max_custom_price_allowed = proposed_price + (proposed_price * cust_p_max_dist_r) - - # Bracket between min_custom_price_allowed and max_custom_price_allowed - return max( - min(valid_custom_price, max_custom_price_allowed), - min_custom_price_allowed)