async def _init_origin_portfolio_and_currencies_value_from_previous_executions(
self, previous_state_manager):
try:
self.origin_crypto_currencies_values = \
previous_state_manager.get_previous_state(self.exchange, WATCHED_MARKETS_INITIAL_STARTUP_VALUES)
portfolio_key = SIMULATOR_INITIAL_STARTUP_PORTFOLIO if self.trader.simulate \
else REAL_INITIAL_STARTUP_PORTFOLIO
self.origin_portfolio = Portfolio.get_portfolio_from_amount_dict(
previous_state_manager.get_previous_state(
self.exchange, portfolio_key))
self.logger.info(
f"Resuming the previous trading session: using this initial portfolio as a "
f"profitability reference: {self.origin_portfolio}")
portfolio_origin_value_key = SIMULATOR_INITIAL_STARTUP_PORTFOLIO_VALUE if self.trader.simulate \
else REAL_INITIAL_STARTUP_PORTFOLIO_VALUE
self.portfolio_origin_value = \
previous_state_manager.get_previous_state(self.exchange, portfolio_origin_value_key)
except Exception as e:
self.logger.warning(
f"Error when loading trading history, will reset history. ({e})"
)
self.logger.exception(e)
previous_state_manager.reset_trading_history()
await self._init_origin_portfolio_and_currencies_value(
force_ignore_history=True)
async def test_get_portfolio_from_amount_dict(self):
assert Portfolio.get_portfolio_from_amount_dict({
"zyx": 10,
"BTC": 1
}) == {
'zyx': {
'available': 10,
'total': 10
},
'BTC': {
'available': 1,
'total': 1
}
}
assert Portfolio.get_portfolio_from_amount_dict({}) == {}
with pytest.raises(RuntimeError):
Portfolio.get_portfolio_from_amount_dict({"zyx": "10", "BTC": 1})
