stable/freqtrade/wallets.py

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# pragma pylint: disable=W0603
""" Wallet """
import logging
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from typing import Dict, Any, NamedTuple
from collections import namedtuple
from freqtrade.exchange import Exchange
logger = logging.getLogger(__name__)
class Wallet(NamedTuple):
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exchange: str
currency: str
free: float = 0
used: float = 0
total: float = 0
class Wallets(object):
# wallet data structure
wallet = namedtuple(
'wallet',
['exchange', 'currency', 'free', 'used', 'total']
)
def __init__(self, exchange: Exchange) -> None:
self.exchange = exchange
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self.wallets: Dict[str, Any] = {}
self.update()
def get_free(self, currency) -> float:
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if self.exchange._conf['dry_run']:
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return 999.9
balance = self.wallets.get(currency)
if balance and balance['free']:
return balance['free']
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else:
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return 0
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def update(self) -> None:
balances = self.exchange.get_balances()
for currency in balances:
self.wallets[currency] = Wallet(
self.exchange.id,
currency,
balances[currency].get('free', None),
balances[currency].get('used', None),
balances[currency].get('total', None)
)
logger.info('Wallets synced ...')