stable/freqtrade/exchange/gateio.py

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""" Gate.io exchange subclass """
import logging
from typing import Dict, List, Tuple
from freqtrade.enums import Collateral, TradingMode
from freqtrade.exceptions import OperationalException
from freqtrade.exchange import Exchange
logger = logging.getLogger(__name__)
class Gateio(Exchange):
"""
Gate.io exchange class. Contains adjustments needed for Freqtrade to work
with this exchange.
Please note that this exchange is not included in the list of exchanges
officially supported by the Freqtrade development team. So some features
may still not work as expected.
"""
_ft_has: Dict = {
"ohlcv_candle_limit": 1000,
}
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_headers = {'X-Gate-Channel-Id': 'freqtrade'}
funding_fee_times: List[int] = [0, 8, 16] # hours of the day
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_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": {
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"defaultType": "swap"
}
}
else:
return {}
def validate_ordertypes(self, order_types: Dict) -> None:
super().validate_ordertypes(order_types)
if any(v == 'market' for k, v in order_types.items()):
raise OperationalException(
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f'Exchange {self.name} does not support market orders.')