def _check_limits(self, sell_base, sell_max, quantity, sell_orders_count, symbol_market):
min_quantity, max_quantity, min_cost, max_cost, min_price, max_price = trading_personal_data.get_min_max_amounts(
symbol_market)
orders_count = sell_orders_count
limit_check = DipAnalyserTradingModeConsumer._ensure_orders_size(
sell_base, sell_max, quantity, orders_count,
min_quantity, min_cost, min_price,
max_quantity, max_cost, max_price)
while limit_check > 0:
if limit_check == 1:
if orders_count > 1:
orders_count -= 1
else:
# not enough funds to create orders
self.logger.warning(f"Not enough funds to create sell order.")
return 0, 0
elif limit_check == 2:
if orders_count < 40:
orders_count += 1
else:
# too many orders to create, must be a problem
self.logger.error("Too many orders to create: error with _generate_sell_orders.")
return 0, 0
limit_check = DipAnalyserTradingModeConsumer._ensure_orders_size(
sell_base, sell_max, quantity, orders_count,
min_quantity, min_cost, min_price,
max_quantity, max_cost, max_price)
return orders_count, (sell_max - sell_base) / orders_count
def test_get_min_max_amounts():
# normal values
symbol_market = {
enums.ExchangeConstantsMarketStatusColumns.LIMITS.value: {
enums.ExchangeConstantsMarketStatusColumns.LIMITS_AMOUNT.value: {
enums.ExchangeConstantsMarketStatusColumns.LIMITS_AMOUNT_MIN.value:
0.5,
enums.ExchangeConstantsMarketStatusColumns.LIMITS_AMOUNT_MAX.value:
100,
},
enums.ExchangeConstantsMarketStatusColumns.LIMITS_COST.value: {
enums.ExchangeConstantsMarketStatusColumns.LIMITS_COST_MIN.value:
None,
enums.ExchangeConstantsMarketStatusColumns.LIMITS_COST_MAX.value:
None
},
enums.ExchangeConstantsMarketStatusColumns.LIMITS_PRICE.value: {
enums.ExchangeConstantsMarketStatusColumns.LIMITS_PRICE_MIN.value:
0.5,
enums.ExchangeConstantsMarketStatusColumns.LIMITS_PRICE_MAX.value:
50
},
}
}
min_quantity, max_quantity, min_cost, max_cost, min_price, max_price = personal_data.get_min_max_amounts(
symbol_market)
assert min_quantity == 0.5
assert max_quantity == 100
assert min_cost is None
assert max_cost is None
assert min_price == 0.5
assert max_price == 50
# missing all values
min_quantity, max_quantity, min_cost, max_cost, min_price, max_price = personal_data.get_min_max_amounts(
{})
assert min_quantity is None
assert max_quantity is None
assert min_cost is None
assert max_cost is None
assert min_price is None
assert max_price is None
# missing all values: asign default
min_quantity, max_quantity, min_cost, max_cost, min_price, max_price = personal_data.get_min_max_amounts(
{}, "xyz")
assert min_quantity == "xyz"
assert max_quantity == "xyz"
assert min_cost == "xyz"
assert max_cost == "xyz"
assert min_price == "xyz"
assert max_price == "xyz"
# missing values: assign default
symbol_market = {
enums.ExchangeConstantsMarketStatusColumns.LIMITS.value: {
enums.ExchangeConstantsMarketStatusColumns.LIMITS_AMOUNT.value: {
enums.ExchangeConstantsMarketStatusColumns.LIMITS_AMOUNT_MIN.value:
0.5,
enums.ExchangeConstantsMarketStatusColumns.LIMITS_AMOUNT_MAX.value:
100,
},
enums.ExchangeConstantsMarketStatusColumns.LIMITS_COST.value: {
enums.ExchangeConstantsMarketStatusColumns.LIMITS_COST_MIN.value:
None,
enums.ExchangeConstantsMarketStatusColumns.LIMITS_COST_MAX.value:
None
}
}
}
min_quantity, max_quantity, min_cost, max_cost, min_price, max_price = personal_data.get_min_max_amounts(
symbol_market, "xyz")
assert min_quantity == 0.5
assert max_quantity == 100
assert min_cost == "xyz" # None is not a valid value => assign default
assert max_cost == "xyz" # None is not a valid value => assign default
assert min_price == "xyz"
assert max_price == "xyz"