107 lines
3.0 KiB
Python
107 lines
3.0 KiB
Python
# pragma pylint: disable=W0603
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""" Wallet """
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import logging
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from typing import Dict, NamedTuple, Any
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from freqtrade.exchange import Exchange
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from freqtrade.persistence import Trade
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logger = logging.getLogger(__name__)
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# wallet data structure
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class Wallet(NamedTuple):
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currency: str
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free: float = 0
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used: float = 0
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total: float = 0
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class Wallets:
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def __init__(self, config: dict, exchange: Exchange) -> None:
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self._config = config
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self._exchange = exchange
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self._wallets: Dict[str, Wallet] = {}
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self.start_cap = config['dry_run_wallet']
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self.update()
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def get_free(self, currency) -> float:
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balance = self._wallets.get(currency)
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if balance and balance.free:
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return balance.free
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else:
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return 0
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def get_used(self, currency) -> float:
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balance = self._wallets.get(currency)
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if balance and balance.used:
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return balance.used
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else:
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return 0
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def get_total(self, currency) -> float:
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balance = self._wallets.get(currency)
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if balance and balance.total:
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return balance.total
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else:
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return 0
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def _update_dry(self) -> None:
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"""
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Update from database in dry-run mode
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- Apply apply profits of closed trades on top of stake amount
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- Subtract currently tied up stake_amount in open trades
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- update balances for currencies currently in trades
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"""
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# Recreate _wallets to reset closed trade balances
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_wallets = {}
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closed_trades = Trade.get_trades(Trade.is_open.is_(False)).all()
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open_trades = Trade.get_trades(Trade.is_open.is_(True)).all()
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tot_profit = sum([trade.calc_profit() for trade in closed_trades])
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tot_in_trades = sum([trade.stake_amount for trade in open_trades])
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current_stake = self.start_cap + tot_profit - tot_in_trades
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_wallets[self._config['stake_currency']] = Wallet(
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self._config['stake_currency'],
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current_stake,
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0,
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current_stake
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)
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for trade in open_trades:
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curr = trade.pair.split('/')[0]
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_wallets[curr] = Wallet(
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curr,
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trade.amount,
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0,
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trade.amount
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)
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self._wallets = _wallets
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def _update_live(self) -> None:
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balances = self._exchange.get_balances()
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for currency in balances:
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self._wallets[currency] = Wallet(
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currency,
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balances[currency].get('free', None),
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balances[currency].get('used', None),
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balances[currency].get('total', None)
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)
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def update(self) -> None:
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if self._config['dry_run']:
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self._update_dry()
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else:
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self._update_live()
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logger.info('Wallets synced.')
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def get_all_balances(self) -> Dict[str, Any]:
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return self._wallets
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