arbret/backend/shared_constants.py

"""Load shared constants from shared/constants.json."""

import json
from pathlib import Path

_constants_path = Path(__file__).parent.parent / "shared" / "constants.json"
_constants = json.loads(_constants_path.read_text())

# Exchange constants
SLOT_DURATION_MINUTES: int = _constants["exchange"]["slotDurationMinutes"]
MIN_ADVANCE_DAYS: int = _constants["exchange"]["minAdvanceDays"]
MAX_ADVANCE_DAYS: int = _constants["exchange"]["maxAdvanceDays"]
EUR_TRADE_MIN: int = _constants["exchange"]["eurTradeMin"]
EUR_TRADE_MAX: int = _constants["exchange"]["eurTradeMax"]
EUR_TRADE_INCREMENT: int = _constants["exchange"]["eurTradeIncrement"]
PREMIUM_PERCENTAGE: int = _constants["exchange"]["premiumPercentage"]
PRICE_REFRESH_SECONDS: int = _constants["exchange"]["priceRefreshSeconds"]
PRICE_STALENESS_SECONDS: int = _constants["exchange"]["priceStalenessSeconds"]
LIGHTNING_MAX_EUR: int = _constants["exchange"]["lightningMaxEur"]