stable/freqtrade/exchange/okex.py

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import logging
from typing import Dict, List, Tuple
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from freqtrade.enums import Collateral, TradingMode
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from freqtrade.exchange import Exchange
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": 100,
}
funding_fee_times: List[int] = [0, 8, 16] # hours of the day
_supported_trading_mode_collateral_pairs: List[Tuple[TradingMode, Collateral]] = [
# TradingMode.SPOT always supported and not required in this list
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# TODO-lev: Uncomment once supported
# (TradingMode.MARGIN, Collateral.CROSS),
# (TradingMode.FUTURES, Collateral.CROSS),
# (TradingMode.FUTURES, Collateral.ISOLATED)
]
@property
def _ccxt_config(self) -> Dict:
# Parameters to add directly to ccxt sync/async initialization.
if self.trading_mode == TradingMode.MARGIN:
return {
"options": {
"defaultType": "margin"
}
}
elif self.trading_mode == TradingMode.FUTURES:
return {
"options": {
"defaultType": "swap"
}
}
else:
return {}