From 20dcd9a1a21d06013fa49bbc21c5f6847f40c3e2 Mon Sep 17 00:00:00 2001 From: Sam Germain Date: Sun, 20 Jun 2021 02:25:22 -0600 Subject: [PATCH] Added changed to persistance/migrations --- freqtrade/persistence/migrations.py | 20 +++++-- freqtrade/persistence/models.py | 87 +++++++++++++++-------------- 2 files changed, 60 insertions(+), 47 deletions(-) diff --git a/freqtrade/persistence/migrations.py b/freqtrade/persistence/migrations.py index 12e182326..5922f6a0e 100644 --- a/freqtrade/persistence/migrations.py +++ b/freqtrade/persistence/migrations.py @@ -47,6 +47,13 @@ def migrate_trades_table(decl_base, inspector, engine, table_back_name: str, col min_rate = get_column_def(cols, 'min_rate', 'null') close_reason = get_column_def(cols, 'close_reason', 'null') strategy = get_column_def(cols, 'strategy', 'null') + + leverage = get_column_def(cols, 'leverage', '0.0') + borrowed = get_column_def(cols, 'borrowed', '0.0') + borrowed_currency = get_column_def(cols, 'borrowed_currency', 'null') + interest_rate = get_column_def(cols, 'interest_rate', '0.0') + min_stoploss = get_column_def(cols, 'min_stoploss', 'null') + is_short = get_column_def(cols, 'is_short', 'False') # If ticker-interval existed use that, else null. if has_column(cols, 'ticker_interval'): timeframe = get_column_def(cols, 'timeframe', 'ticker_interval') @@ -81,7 +88,8 @@ def migrate_trades_table(decl_base, inspector, engine, table_back_name: str, col stop_loss, stop_loss_pct, initial_stop_loss, initial_stop_loss_pct, stoploss_order_id, stoploss_last_update, max_rate, min_rate, close_reason, close_order_status, strategy, - timeframe, open_trade_value, close_profit_abs + timeframe, open_trade_value, close_profit_abs, + leverage, borrowed, borrowed_currency, interest_rate, min_stoploss, is_short ) select id, lower(exchange), case @@ -104,11 +112,13 @@ def migrate_trades_table(decl_base, inspector, engine, table_back_name: str, col {max_rate} max_rate, {min_rate} min_rate, {close_reason} close_reason, {close_order_status} close_order_status, {strategy} strategy, {timeframe} timeframe, - {open_trade_value} open_trade_value, {close_profit_abs} close_profit_abs + {open_trade_value} open_trade_value, {close_profit_abs} close_profit_abs, + {leverage} leverage, {borrowed} borrowed, {borrowed_currency} borrowed_currency, + {interest_rate} interest_rate, {min_stoploss} min_stoploss, {is_short} is_short from {table_back_name} """)) - +#TODO: Does leverage go in here? def migrate_open_orders_to_trades(engine): with engine.begin() as connection: connection.execute(text(""" @@ -141,10 +151,10 @@ def migrate_orders_table(decl_base, inspector, engine, table_back_name: str, col connection.execute(text(f""" insert into orders ( id, ft_trade_id, ft_order_side, ft_pair, ft_is_open, order_id, status, symbol, order_type, side, price, amount, filled, average, remaining, cost, - order_date, order_filled_date, order_update_date) + order_date, order_filled_date, order_update_date, leverage) select id, ft_trade_id, ft_order_side, ft_pair, ft_is_open, order_id, status, symbol, order_type, side, price, amount, filled, null average, remaining, cost, - order_date, order_filled_date, order_update_date + order_date, order_filled_date, order_update_date, leverage from {table_back_name} """)) diff --git a/freqtrade/persistence/models.py b/freqtrade/persistence/models.py index e95d3a9f5..a7548d2b4 100644 --- a/freqtrade/persistence/models.py +++ b/freqtrade/persistence/models.py @@ -131,8 +131,8 @@ class Order(_DECL_BASE): order_date = Column(DateTime, nullable=True, default=datetime.utcnow) order_filled_date = Column(DateTime, nullable=True) order_update_date = Column(DateTime, nullable=True) - - leverage = Column(Float, nullable=True) + + leverage = Column(Float, nullable=True, default=0.0) def __repr__(self): return (f'Order(id={self.id}, order_id={self.order_id}, trade_id={self.ft_trade_id}, ' @@ -257,21 +257,33 @@ class LocalTrade(): max_rate: float = 0.0 # Lowest price reached min_rate: float = 0.0 - close_reason: str = '' - close_order_status: str = '' + close_reason: str = '' + close_order_status: str = '' strategy: str = '' timeframe: Optional[int] = None - #Margin trading properties - leverage: Optional[float] = None - borrowed: float = 0 + # Margin trading properties + leverage: Optional[float] = 0.0 + borrowed: float = 0.0 borrowed_currency: float = None - interest_rate: float = 0 + interest_rate: float = 0.0 min_stoploss: float = None - isShort: boolean = False - #End of margin trading properties + is_short: bool = False + # End of margin trading properties def __init__(self, **kwargs): + lev = kwargs.get('leverage') + bor = kwargs.get('borrowed') + amount = kwargs.get('amount') + if lev and bor: + # TODO: should I raise an error? + raise OperationalException('Cannot pass both borrowed and leverage to Trade') + elif lev: + self.amount = amount * lev + self.borrowed = amount * (lev-1) + elif bor: + self.lev = (bor + amount)/amount + for key in kwargs: setattr(self, key, kwargs[key]) self.recalc_open_trade_value() @@ -398,8 +410,8 @@ class LocalTrade(): return new_loss = float(current_price * (1 - abs(stoploss))) - #TODO: Could maybe move this if into the new stoploss if branch - if (self.min_stoploss): #If trading on margin, don't set the stoploss below the liquidation price + # TODO: Could maybe move this if into the new stoploss if branch + if (self.min_stoploss): # If trading on margin, don't set the stoploss below the liquidation price new_loss = min(self.min_stoploss, new_loss) # no stop loss assigned yet @@ -411,7 +423,8 @@ class LocalTrade(): # evaluate if the stop loss needs to be updated else: - if (new_loss > self.stop_loss and not self.isShort) or (new_loss < self.stop_loss and self.isShort): # stop losses only walk up, never down!, #TODO: But adding more to a margin account would create a lower liquidation price, decreasing the minimum stoploss + # stop losses only walk up, never down!, #TODO: But adding more to a margin account would create a lower liquidation price, decreasing the minimum stoploss + if (new_loss > self.stop_loss and not self.is_short) or (new_loss < self.stop_loss and self.is_short): logger.debug(f"{self.pair} - Adjusting stoploss...") self._set_new_stoploss(new_loss, stoploss) else: @@ -430,14 +443,14 @@ class LocalTrade(): Determines if the trade is an opening (long buy or short sell) trade :param side (string): the side (buy/sell) that order happens on """ - return (side == 'buy' and not self.isShort) or (side == 'sell' and self.isShort) - + return (side == 'buy' and not self.is_short) or (side == 'sell' and self.is_short) + def is_closing_trade(self, side) -> bool: """ Determines if the trade is an closing (long sell or short buy) trade :param side (string): the side (buy/sell) that order happens on """ - return (side == 'sell' and not self.isShort) or (side == 'buy' and self.isShort) + return (side == 'sell' and not self.is_short) or (side == 'buy' and self.is_short) def update(self, order: Dict) -> None: """ @@ -458,14 +471,14 @@ class LocalTrade(): self.amount = float(safe_value_fallback(order, 'filled', 'amount')) self.recalc_open_trade_value() if self.is_open: - payment = "SELL" if self.isShort else "BUY" + payment = "SELL" if self.is_short else "BUY" logger.info(f'{order_type.upper()}_{payment} order has been fulfilled for {self}.') self.open_order_id = None elif order_type in ('market', 'limit') and self.isClosingTrade(order['side']): if self.is_open: - payment = "BUY" if self.isShort else "SELL" + payment = "BUY" if self.is_short else "SELL" logger.info(f'{order_type.upper()}_{payment} order has been fulfilled for {self}.') - self.close(safe_value_fallback(order, 'average', 'price')) #TODO: Double check this + self.close(safe_value_fallback(order, 'average', 'price')) # TODO: Double check this elif order_type in ('stop_loss_limit', 'stop-loss', 'stop-loss-limit', 'stop'): self.stoploss_order_id = None self.close_rate_requested = self.stop_loss @@ -534,11 +547,10 @@ class LocalTrade(): """ open_trade = Decimal(self.amount) * Decimal(self.open_rate) fees = open_trade * Decimal(self.fee_open) - if (self.isShort): - return float(open_trade - fees) + if (self.is_short): + return float(open_trade - fees) else: - return float(open_trade + fees) - + return float(open_trade + fees) def recalc_open_trade_value(self) -> None: """ @@ -562,8 +574,9 @@ class LocalTrade(): close_trade = Decimal(self.amount) * Decimal(rate or self.close_rate) # type: ignore fees = close_trade * Decimal(fee or self.fee_close) - interest = ((self.interest_rate * Decimal(borrowed or self.borrowed)) * (datetime.utcnow() - self.open_date).days) or 0 #Interest/day * num of days - if (self.isShort): + interest = ((self.interest_rate * Decimal(borrowed or self.borrowed)) * + (datetime.utcnow() - self.open_date).days) or 0 # Interest/day * num of days + if (self.is_short): return float(close_trade + fees + interest) else: return float(close_trade - fees - interest) @@ -583,7 +596,7 @@ class LocalTrade(): fee=(fee or self.fee_close) ) - if self.isShort: + if self.is_short: profit = self.open_trade_value - close_trade_value else: profit = close_trade_value - self.open_trade_value @@ -604,7 +617,7 @@ class LocalTrade(): ) if self.open_trade_value == 0.0: return 0.0 - if self.isShort: + if self.is_short: profit_ratio = (close_trade_value / self.open_trade_value) - 1 else: profit_ratio = (self.open_trade_value / close_trade_value) - 1 @@ -657,7 +670,7 @@ class LocalTrade(): sel_trades = [trade for trade in sel_trades if trade.close_date and trade.close_date > close_date] - return sel_trades #TODO: What is sel_trades does it mean sell_trades? If so, update this for margin + return sel_trades # TODO: What is sel_trades does it mean sell_trades? If so, update this for margin @staticmethod def close_bt_trade(trade): @@ -758,26 +771,16 @@ class Trade(_DECL_BASE, LocalTrade): strategy = Column(String(100), nullable=True) timeframe = Column(Integer, nullable=True) - #Margin trading properties - leverage = Column(Float, nullable=True) + # Margin trading properties + leverage = Column(Float, nullable=True, default=0.0) borrowed = Column(Float, nullable=False, default=0.0) borrowed_currency = Column(Float, nullable=True) interest_rate = Column(Float, nullable=False, default=0.0) min_stoploss = Column(Float, nullable=True) - isShort = Column(Boolean, nullable=False, default=False) - #End of margin trading properties + is_short = Column(Boolean, nullable=False, default=False) + # End of margin trading properties def __init__(self, **kwargs): - lev = kwargs.get('leverage') - bor = kwargs.get('borrowed') - amount = kwargs.get('amount') - if lev and bor: - raise OperationalException('Cannot pass both borrowed and leverage to Trade') #TODO: should I raise an error? - elif lev: - self.amount = amount * lev - self.borrowed = amount * (lev-1) - elif bor: - self.lev = (bor + amount)/amount super().__init__(**kwargs) self.recalc_open_trade_value()