stable/freqtrade/exchange/okex.py

48 lines
1.4 KiB
Python

import logging
from typing import Dict, List, Tuple
from freqtrade.enums import MarginMode, TradingMode
from freqtrade.exchange import Exchange
from freqtrade.exceptions import OperationalException
logger = logging.getLogger(__name__)
class Okex(Exchange):
"""Okex exchange class.
Contains adjustments needed for Freqtrade to work with this exchange.
"""
_ft_has: Dict = {
"ohlcv_candle_limit": 300,
"mark_ohlcv_timeframe": "4h",
"funding_fee_timeframe": "8h",
}
_supported_trading_mode_margin_pairs: List[Tuple[TradingMode, MarginMode]] = [
# TradingMode.SPOT always supported and not required in this list
# (TradingMode.MARGIN, MarginMode.CROSS),
# (TradingMode.FUTURES, MarginMode.CROSS),
# (TradingMode.FUTURES, MarginMode.ISOLATED)
]
def _lev_prep(
self,
pair: str,
leverage: float,
side: str # buy or sell
):
if self.trading_mode != TradingMode.SPOT:
if self.margin_mode is None:
raise OperationalException(
f"{self.name}.margin_mode must be set for {self.trading_mode.value}"
)
self._api.set_leverage(
leverage,
pair,
params={
"mgnMode": self.margin_mode.value,
"posSide": "long" if side == "buy" else "short",
})