Modified files for partial trades operation
Signed-off-by: Es Fem <esfem.es@gmail.com>
This commit is contained in:
esfem
Es Fem
parent
4e40c4c95d
commit
4b7d8c4419
@ -12,17 +12,17 @@ from typing import Any, Dict, List, Optional
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import arrow
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from cachetools import TTLCache
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from freqtrade import __version__, constants, persistence
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from freqtrade import __version__, constants
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from freqtrade.configuration import validate_config_consistency
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from freqtrade.data.converter import order_book_to_dataframe
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from freqtrade.data.dataprovider import DataProvider
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from freqtrade.edge import Edge
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from freqtrade.exceptions import (DependencyException, ExchangeError, InsufficientFundsError,
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InvalidOrderException, PricingError)
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from freqtrade.exchange import timeframe_to_minutes, timeframe_to_next_date
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from freqtrade.exchange import timeframe_to_minutes
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from freqtrade.misc import safe_value_fallback, safe_value_fallback2
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from freqtrade.pairlist.pairlistmanager import PairListManager
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from freqtrade.persistence import Order,Trade, cleanup_db, init_db
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from freqtrade.persistence import Order, PairLocks, Trade, cleanup_db, init_db
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from freqtrade.resolvers import ExchangeResolver, StrategyResolver
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from freqtrade.rpc import RPCManager, RPCMessageType
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from freqtrade.state import State
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@ -71,6 +71,8 @@ class FreqtradeBot:
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self.wallets = Wallets(self.config, self.exchange)
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PairLocks.timeframe = self.config['timeframe']
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self.pairlists = PairListManager(self.exchange, self.config)
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self.dataprovider = DataProvider(self.config, self.exchange, self.pairlists)
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@ -344,6 +346,7 @@ class FreqtradeBot:
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whitelist = copy.deepcopy(self.active_pair_whitelist)
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if not whitelist:
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logger.info("Active pair whitelist is empty.")
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return trades_created
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else:
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'''# Remove pairs for currently opened trades from the whitelist
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for trade in Trade.get_open_trades():
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@ -354,6 +357,7 @@ class FreqtradeBot:
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if not whitelist:
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logger.info("No currency pair in active pair whitelist, "
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"but checking to sell open trades.")
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return trades_created
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else:
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# Create entity and execute trade for each pair from whitelist
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for pair in whitelist:
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@ -1062,8 +1066,8 @@ class FreqtradeBot:
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self.update_trade_state(trade, trade.stoploss_order_id, stoploss_order,
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stoploss_order=True)
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# Lock pair for one candle to prevent immediate rebuys
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self.strategy.lock_pair(trade.pair,
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timeframe_to_next_date(self.config['timeframe']))
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self.strategy.lock_pair(trade.pair, datetime.now(timezone.utc),
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reason='Auto lock')
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self._notify_sell(trade, "stoploss")
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return True
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@ -1395,7 +1399,8 @@ class FreqtradeBot:
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Trade.session.flush()
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# Lock pair for one candle to prevent immediate rebuys
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self.strategy.lock_pair(trade.pair, timeframe_to_next_date(self.config['timeframe']))
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self.strategy.lock_pair(trade.pair, datetime.now(timezone.utc),
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reason='Auto lock')
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self._notify_sell(trade, order_type)
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@ -1467,7 +1472,8 @@ class FreqtradeBot:
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Trade.session.flush()
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#Lock pair for one candle to prevent immediate rebuys
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self.strategy.lock_pair(trade.pair, timeframe_to_next_date(self.config['timeframe']))
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self.strategy.lock_pair(trade.pair, datetime.now(timezone.utc),
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reason='Auto lock')
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self._notify_sell(trade, order_type)
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@ -7,8 +7,8 @@ from decimal import Decimal
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from typing import Any, Dict, List, Optional
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import arrow
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from sqlalchemy import (Boolean, Column, DateTime, Float, ForeignKey, Integer,
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String, create_engine, desc, func, inspect)
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from sqlalchemy import (Boolean, Column, DateTime, Float, ForeignKey, Integer, String,
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create_engine, desc, func, inspect)
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from sqlalchemy.exc import NoSuchModuleError
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from sqlalchemy.ext.declarative import declarative_base
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from sqlalchemy.orm import Query, relationship
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@ -17,6 +17,7 @@ from sqlalchemy.orm.session import sessionmaker
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from sqlalchemy.pool import StaticPool
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from sqlalchemy.sql.schema import UniqueConstraint
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from freqtrade.constants import DATETIME_PRINT_FORMAT
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from freqtrade.exceptions import DependencyException, OperationalException
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from freqtrade.misc import safe_value_fallback
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from freqtrade.persistence.migrations import check_migrate
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@ -61,6 +62,9 @@ def init_db(db_url: str, clean_open_orders: bool = False) -> None:
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# Copy session attributes to order object too
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Order.session = Trade.session
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Order.query = Order.session.query_property()
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PairLock.session = Trade.session
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PairLock.query = PairLock.session.query_property()
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previous_tables = inspect(engine).get_table_names()
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_DECL_BASE.metadata.create_all(engine)
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check_migrate(engine, decl_base=_DECL_BASE, previous_tables=previous_tables)
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@ -124,8 +128,7 @@ class Order(_DECL_BASE):
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filled = Column(Float, nullable=True)
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remaining = Column(Float, nullable=True)
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cost = Column(Float, nullable=True)
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fee = Column(Float, nullable=True) # OSM
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fee_cost = Column(Float, nullable=True) # OSM
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fee = Column(Float, nullable=True)
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order_date = Column(DateTime, nullable=True, default=datetime.utcnow)
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order_filled_date = Column(DateTime, nullable=True)
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order_update_date = Column(DateTime, nullable=True)
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@ -168,12 +171,12 @@ class Order(_DECL_BASE):
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"""
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Get all non-closed orders - useful when trying to batch-update orders
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"""
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filtered_orders = [o for o in orders if o.order_id == order['id']]
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filtered_orders = [o for o in orders if o.order_id == order.get('id')]
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if filtered_orders:
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oobj = filtered_orders[0]
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oobj.update_from_ccxt_object(order)
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else:
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logger.warning(f"Did not find order for {order['id']}.")
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logger.warning(f"Did not find order for {order}.")
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@staticmethod
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def parse_from_ccxt_object(order: Dict[str, Any], pair: str, side: str) -> 'Order':
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@ -252,7 +255,7 @@ class Trade(_DECL_BASE):
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self.recalc_open_trade_price()
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def __repr__(self):
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open_since = self.open_date.strftime('%Y-%m-%d %H:%M:%S') if self.is_open else 'closed'
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open_since = self.open_date.strftime(DATETIME_PRINT_FORMAT) if self.is_open else 'closed'
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return (f'Trade(id={self.id}, pair={self.pair}, amount={self.amount:.8f}, '
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f'open_rate={self.open_rate:.8f}, open_since={open_since})')
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@ -278,7 +281,7 @@ class Trade(_DECL_BASE):
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'fee_close_currency': self.fee_close_currency,
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'open_date_hum': arrow.get(self.open_date).humanize(),
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'open_date': self.open_date.strftime("%Y-%m-%d %H:%M:%S"),
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'open_date': self.open_date.strftime(DATETIME_PRINT_FORMAT),
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'open_timestamp': int(self.open_date.replace(tzinfo=timezone.utc).timestamp() * 1000),
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'open_rate': self.open_rate,
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'open_rate_requested': self.open_rate_requested,
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@ -286,7 +289,7 @@ class Trade(_DECL_BASE):
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'close_date_hum': (arrow.get(self.close_date).humanize()
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if self.close_date else None),
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'close_date': (self.close_date.strftime("%Y-%m-%d %H:%M:%S")
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'close_date': (self.close_date.strftime(DATETIME_PRINT_FORMAT)
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if self.close_date else None),
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'close_timestamp': int(self.close_date.replace(
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tzinfo=timezone.utc).timestamp() * 1000) if self.close_date else None,
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@ -302,7 +305,7 @@ class Trade(_DECL_BASE):
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'stop_loss_ratio': self.stop_loss_pct if self.stop_loss_pct else None,
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'stop_loss_pct': (self.stop_loss_pct * 100) if self.stop_loss_pct else None,
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'stoploss_order_id': self.stoploss_order_id,
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'stoploss_last_update': (self.stoploss_last_update.strftime("%Y-%m-%d %H:%M:%S")
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'stoploss_last_update': (self.stoploss_last_update.strftime(DATETIME_PRINT_FORMAT)
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if self.stoploss_last_update else None),
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'stoploss_last_update_timestamp': int(self.stoploss_last_update.replace(
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tzinfo=timezone.utc).timestamp() * 1000) if self.stoploss_last_update else None,
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@ -444,6 +447,44 @@ class Trade(_DECL_BASE):
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raise ValueError(f'Unknown order type: {order_type}')
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cleanup_db()
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def partial_update(self, order: Dict) -> None:
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"""
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Updates this entity with amount and actual open/close rates,
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modified to support multiple orders keeping the trade opened
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:param order: order retrieved by exchange.fetch_order()
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:return: None
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"""
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order_type = order['type']
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if order_type in ('market', 'limit') and order['side'] == 'buy':
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# Update open rate and actual amount
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self.open_rate = self.average_open_rate(order['filled'],
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safe_value_fallback(order, 'average', 'price'),
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self.amount, self.open_rate)
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self.amount = Decimal(self.amount or 0) + Decimal(order['filled'])
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self.decrease_wallet(self, Decimal(order['filled']), self.open_rate)
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if self.is_open and order['filled'] != 0:
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logger.info(f'{order_type.upper()}_Partial BUY has been fulfilled for {self}.')
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self.open_order_id = None
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elif order_type in ('market', 'limit') and order['side'] == 'sell':
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self.amount = (Decimal(self.amount or 0) - Decimal(order['filled']))
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if self.is_open and order['filled'] != 0:
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logger.info(f'{order_type.upper()}_Partial SELL has been fulfilled for {self}.')
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self.partial_close(self, safe_value_fallback(order, 'average', 'price'))
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self.increase_wallet(self, Decimal(order['filled']), order['price'])
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elif order_type in ('stop_loss_limit', 'stop-loss', 'stop'):
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self.stoploss_order_id = None
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self.close_rate_requested = self.stop_loss
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if self.is_open:
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logger.info(f'{order_type.upper()} is hit for {self}.')
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self.close(order['average'])
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else:
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raise ValueError(f'Unknown order type: {order_type}')
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cleanup_db()
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def close(self, rate: float) -> None:
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"""
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Sets close_rate to the given rate, calculates total profit
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@ -606,7 +647,6 @@ class Trade(_DECL_BASE):
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:trade_open_rate: Actual open price of position.
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:return: New open rate modified with the order data.
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"""
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#((order['amount'] * order['price']) + (self.amount * trade.open_rate)) / (order['amount'] + trade.amount)
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return ((order_amount * order_price) + (trade_amount * trade_open_rate)) / (order_amount + trade_amount)
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def increase_wallet(self, amount: float, rate: float) -> None:
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@ -758,8 +798,8 @@ class PairLock(_DECL_BASE):
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active = Column(Boolean, nullable=False, default=True, index=True)
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def __repr__(self):
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lock_time = self.lock_time.strftime('%Y-%m-%d %H:%M:%S')
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lock_end_time = self.lock_end_time.strftime('%Y-%m-%d %H:%M:%S')
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lock_time = self.lock_time.strftime(DATETIME_PRINT_FORMAT)
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lock_end_time = self.lock_end_time.strftime(DATETIME_PRINT_FORMAT)
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return (f'PairLock(id={self.id}, pair={self.pair}, lock_time={lock_time}, '
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f'lock_end_time={lock_end_time})')
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@ -783,9 +823,9 @@ class PairLock(_DECL_BASE):
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def to_json(self) -> Dict[str, Any]:
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return {
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'pair': self.pair,
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'lock_time': self.lock_time.strftime('%Y-%m-%d %H:%M:%S'),
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'lock_time': self.lock_time.strftime(DATETIME_PRINT_FORMAT),
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'lock_timestamp': int(self.lock_time.replace(tzinfo=timezone.utc).timestamp() * 1000),
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'lock_end_time': self.lock_end_time.strftime('%Y-%m-%d %H:%M:%S'),
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'lock_end_time': self.lock_end_time.strftime(DATETIME_PRINT_FORMAT),
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'lock_end_timestamp': int(self.lock_end_time.replace(tzinfo=timezone.utc
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).timestamp() * 1000),
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'reason': self.reason,
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@ -17,7 +17,7 @@ from freqtrade.data.dataprovider import DataProvider
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from freqtrade.exceptions import OperationalException, StrategyError
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from freqtrade.exchange import timeframe_to_minutes
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from freqtrade.exchange.exchange import timeframe_to_next_date
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from freqtrade.persistence import Trade
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from freqtrade.persistence import PairLocks, Trade
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from freqtrade.strategy.strategy_wrapper import strategy_safe_wrapper
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from freqtrade.wallets import Wallets
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@ -134,6 +134,8 @@ class IStrategy(ABC):
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# and wallets - access to the current balance.
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dp: Optional[DataProvider] = None
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wallets: Optional[Wallets] = None
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# container variable for strategy source code
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__source__: str = ''
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# Definition of plot_config. See plotting documentation for more details.
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plot_config: Dict = {}
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@ -142,7 +144,6 @@ class IStrategy(ABC):
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self.config = config
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# Dict to determine if analysis is necessary
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self._last_candle_seen_per_pair: Dict[str, datetime] = {}
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self._pair_locked_until: Dict[str, datetime] = {}
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@abstractmethod
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def populate_indicators(self, dataframe: DataFrame, metadata: dict) -> DataFrame:
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@ -287,7 +288,7 @@ class IStrategy(ABC):
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"""
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return self.__class__.__name__
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def lock_pair(self, pair: str, until: datetime) -> None:
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def lock_pair(self, pair: str, until: datetime, reason: str = None) -> None:
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"""
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Locks pair until a given timestamp happens.
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Locked pairs are not analyzed, and are prevented from opening new trades.
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@ -297,9 +298,7 @@ class IStrategy(ABC):
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:param until: datetime in UTC until the pair should be blocked from opening new trades.
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Needs to be timezone aware `datetime.now(timezone.utc)`
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"""
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if pair not in self._pair_locked_until or self._pair_locked_until[pair] < until:
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self._pair_locked_until[pair] = until
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PairLocks.lock_pair(pair, until, reason)
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def unlock_pair(self, pair: str) -> None:
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"""
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@ -308,8 +307,7 @@ class IStrategy(ABC):
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manually from within the strategy, to allow an easy way to unlock pairs.
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:param pair: Unlock pair to allow trading again
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"""
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if pair in self._pair_locked_until:
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del self._pair_locked_until[pair]
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PairLocks.unlock_pair(pair, datetime.now(timezone.utc))
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def is_pair_locked(self, pair: str, candle_date: datetime = None) -> bool:
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"""
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@ -321,15 +319,13 @@ class IStrategy(ABC):
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:param candle_date: Date of the last candle. Optional, defaults to current date
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:returns: locking state of the pair in question.
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"""
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if pair not in self._pair_locked_until:
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return False
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if not candle_date:
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return self._pair_locked_until[pair] >= datetime.now(timezone.utc)
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# Simple call ...
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return PairLocks.is_pair_locked(pair, candle_date)
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else:
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# Locking should happen until a new candle arrives
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lock_time = timeframe_to_next_date(self.timeframe, candle_date)
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# lock_time = candle_date + timedelta(minutes=timeframe_to_minutes(self.timeframe))
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return self._pair_locked_until[pair] > lock_time
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return PairLocks.is_pair_locked(pair, lock_time)
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def analyze_ticker(self, dataframe: DataFrame, metadata: dict) -> DataFrame:
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"""
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