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add contract_size to database

This commit is contained in:
Matthias 2022-08-22 20:32:55 +02:00
parent 6036018f35
commit 78b161e14c
3 changed files with 8 additions and 4 deletions
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3
freqtrade/freqtradebot.py
View File

@ -290,13 +290,14 @@ class FreqtradeBot(LoggingMixin):
def startup_backpopulate_precision(self):
trades = Trade.get_trades([Trade.precision_mode.is_(None)])
trades = Trade.get_trades([Trade.contract_size.is_(None)])
for trade in trades:
if trade.exchange != self.exchange.id:
continue
trade.precision_mode = self.exchange.precisionMode
trade.amount_precision = self.exchange.get_precision_amount(trade.pair)
trade.price_precision = self.exchange.get_precision_price(trade.pair)
trade.contract_size = self.exchange.get_contract_size(trade.pair)
Trade.commit()
def startup_update_open_orders(self):

7
freqtrade/persistence/migrations.py
View File

@ -133,6 +133,7 @@ def migrate_trades_and_orders_table(
amount_precision = get_column_def(cols, 'amount_precision', 'null')
price_precision = get_column_def(cols, 'price_precision', 'null')
precision_mode = get_column_def(cols, 'precision_mode', 'null')
contract_size = get_column_def(cols, 'contract_size', 'null')
# Schema migration necessary
with engine.begin() as connection:
@ -161,7 +162,7 @@ def migrate_trades_and_orders_table(
timeframe, open_trade_value, close_profit_abs,
trading_mode, leverage, liquidation_price, is_short,
interest_rate, funding_fees, realized_profit,
amount_precision, price_precision, precision_mode
amount_precision, price_precision, precision_mode, contract_size
)
select id, lower(exchange), pair, {base_currency} base_currency,
{stake_currency} stake_currency,
@ -189,7 +190,7 @@ def migrate_trades_and_orders_table(
{is_short} is_short, {interest_rate} interest_rate,
{funding_fees} funding_fees, {realized_profit} realized_profit,
{amount_precision} amount_precision, {price_precision} price_precision,
{precision_mode} precision_mode
{precision_mode} precision_mode, {contract_size} contract_size
from {trade_back_name}
"""))
@ -308,7 +309,7 @@ def check_migrate(engine, decl_base, previous_tables) -> None:
# if ('orders' not in previous_tables
# or not has_column(cols_orders, 'stop_price')):
migrating = False
if not has_column(cols_trades, 'precision_mode'):
if not has_column(cols_trades, 'contract_size'):
migrating = True
logger.info(f"Running database migration for trades - "
f"backup: {table_back_name}, {order_table_bak_name}")

2
freqtrade/persistence/trade_model.py
View File

@ -296,6 +296,7 @@ class LocalTrade():
amount_precision: Optional[float] = None
price_precision: Optional[float] = None
precision_mode: Optional[int] = None
contract_size: Optional[float] = None
# Leverage trading properties
liquidation_price: Optional[float] = None
@ -1142,6 +1143,7 @@ class Trade(_DECL_BASE, LocalTrade):
amount_precision = Column(Float, nullable=True)
price_precision = Column(Float, nullable=True)
precision_mode = Column(Integer, nullable=True)
contract_size = Column(Float, nullable=True)
# Leverage trading properties
leverage = Column(Float, nullable=True, default=1.0)