def reset_trading():
enable_trading_data = server_get('enable_trading', default_data={'activated': False}).data
server_set('enable_trading', {
'activated': False
})
trading_source: ICryptoCurrencySource = dependency_dispatcher.request_implementation(ICryptoCurrencySource)
storage: ILocalStorage = dependency_dispatcher.request_implementation(ILocalStorage)
now = pytz.utc.localize(datetime.utcnow())
trading_cryptocurrencies = trading_source.get_trading_cryptocurrencies()
trading_source.start_conversions()
for currency in trading_cryptocurrencies:
amount = trading_source.get_amount_owned(currency)
if round(amount) == 0.0:
continue
prices = trading_source.get_last_month_prices(currency)
qs = PricesQueryset(prices)
if len(qs.filter_by_last(timedelta(days=30), now=now)) == 0:
continue
packages = storage.get_cryptocurrency_packages(currency)
amount = two_decimals_floor(amount)
target = trading_source.get_stable_cryptocurrency()
trading_source.convert(currency, amount, target)
for package in packages:
storage.delete_package(package)
trading_source.finish_conversions()
server_set('enable_trading', {
'activated': enable_trading_data.get('activated')
})
def user_get(user_pk, key: str, default_data=None) -> UserConfiguration:
storage: AbstractConfigurationStorage = dependency_dispatcher.request_implementation(AbstractConfigurationStorage)
value = storage.user_get(user_pk, key)
if value is None and default_data is not None:
storage.user_set(user_pk, key, default_data)
return storage.user_get(user_pk, key)
return value
def server_set(key: str, data: dict):
if type(key) != str:
raise ValueError(f'Invalid key provided. Must be str')
if type(data) != dict:
raise ValueError(f'Data must be a dict object')
storage: AbstractConfigurationStorage = dependency_dispatcher.request_implementation(AbstractConfigurationStorage)
storage.server_set(key, data)
def _do_migrate(apps, schema_editor):
trading_source: ICryptoCurrencySource = dependency_dispatcher.request_implementation(
ICryptoCurrencySource)
for currency in trading_source.get_trading_cryptocurrencies():
prices = trading_source.get_last_month_prices(currency)
print(f'Migrating {currency}')
for p in prices:
DCryptocurrencyPrice.objects.create(
symbol=p.symbol,
instant=p.instant,
sell_price=p.sell_price,
buy_price=p.buy_price,
)
def all_last_month_prices_view(request):
if not request.user.is_authenticated:
return Response(status=401)
trading_source: ICryptoCurrencySource = dependency_dispatcher.request_implementation(
ICryptoCurrencySource)
all_prices = {}
days = int(request.GET.get('days', 30))
for currency in trading_source.get_trading_cryptocurrencies():
prices = DCryptocurrencyPrice.objects.filter(
symbol=currency.symbol,
instant__gte=timezone.now() -
timedelta(days=days)).order_by('instant').all()
all_prices[currency.symbol] = [{
'i': p.instant.timestamp(),
's': p.sell_price,
'b': p.buy_price,
} for p in prices]
return Response(all_prices)