51 lines
1.7 KiB
Python
51 lines
1.7 KiB
Python
""" Kraken exchange subclass """
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import logging
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from typing import Dict
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import ccxt
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from freqtrade import OperationalException, TemporaryError
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from freqtrade.exchange import Exchange
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from freqtrade.exchange.exchange import retrier
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logger = logging.getLogger(__name__)
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class Kraken(Exchange):
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_params: Dict = {"trading_agreement": "agree"}
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_ft_has: Dict = {
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"trades_pagination": "id",
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"trades_pagination_arg": "since",
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}
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@retrier
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def get_balances(self) -> dict:
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if self._config['dry_run']:
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return {}
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try:
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balances = self._api.fetch_balance()
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# Remove additional info from ccxt results
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balances.pop("info", None)
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balances.pop("free", None)
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balances.pop("total", None)
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balances.pop("used", None)
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orders = self._api.fetch_open_orders()
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order_list = [(x["symbol"].split("/")[0 if x["side"] == "sell" else 1],
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x["remaining"],
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# Don't remove the below comment, this can be important for debuggung
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# x["side"], x["amount"],
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) for x in orders]
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for bal in balances:
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balances[bal]['used'] = sum(order[1] for order in order_list if order[0] == bal)
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balances[bal]['free'] = balances[bal]['total'] - balances[bal]['used']
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return balances
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except (ccxt.NetworkError, ccxt.ExchangeError) as e:
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raise TemporaryError(
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f'Could not get balance due to {e.__class__.__name__}. Message: {e}') from e
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except ccxt.BaseError as e:
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raise OperationalException(e) from e
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