Files
crypto_trading/backend/app/config.py
T
matitos 03dfa369e5
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Risk controls, alerts, API token, more exchanges, presets
- RiskManager halts + flattens on max daily loss / drawdown, caps position
  size and trades per day; adds a manual kill switch (POST /api/bot/kill).
- Telegram and webhook notifications on trades, errors and halts.
- Optional API bearer token on /api, injected server-side by the frontend
  nginx so the browser never sees it.
- Kraken and Coinbase market data (public); Coinbase live broker. Live on an
  unsupported exchange now errors instead of silently falling back to paper.
- Strategy presets backed by the StrategyConfig table (CRUD API + UI).
- Idempotent additive-column migration so existing SQLite databases upgrade in
  place (fixes the new strategy_configs.name column).
2026-09-18 19:26:29 +00:00

86 lines
2.3 KiB
Python

from __future__ import annotations
from functools import lru_cache
from pathlib import Path
from pydantic import field_validator
from pydantic_settings import BaseSettings, SettingsConfigDict
REPO_ROOT = Path(__file__).resolve().parents[2]
DATA_DIR = REPO_ROOT / "data"
class Settings(BaseSettings):
model_config = SettingsConfigDict(
env_file=(REPO_ROOT / ".env", ".env"),
env_file_encoding="utf-8",
extra="ignore",
)
app_name: str = "Crypto Trader"
env: str = "dev"
host: str = "0.0.0.0"
port: int = 8000
database_url: str = "sqlite:///./data/trader.db"
mode: str = "paper"
exchange: str = "binance"
symbol: str = "BTC/USDT"
timeframe: str = "1m"
poll_interval: float = 5.0
candle_limit: int = 200
starting_balance: float = 10_000.0
fee_bps: float = 10.0
slippage_bps: float = 5.0
exchange_api_key: str = ""
exchange_api_secret: str = ""
exchange_sandbox: bool = False
# --- Risk controls (0 disables a limit) ---
# Absolute loss in quote currency since the start of the UTC day.
max_daily_loss: float = 0.0
# Percentage fall from peak equity.
max_drawdown_pct: float = 0.0
# Cap on a single position as a fraction of equity (1.0 = all-in).
max_position_pct: float = 1.0
# Maximum number of new entries per UTC day.
max_trades_per_day: int = 0
# --- Notifications ---
telegram_bot_token: str = ""
telegram_chat_id: str = ""
notify_webhook_url: str = ""
# Optional bearer token required on /api requests (defense-in-depth behind
# the Traefik Basic auth). Empty disables the check.
api_token: str = ""
api_token_header: str = "X-API-Token"
cors_origins: str = "*"
@field_validator("mode")
@classmethod
def _validate_mode(cls, value: str) -> str:
value = value.lower().strip()
if value not in {"paper", "live"}:
raise ValueError("mode must be 'paper' or 'live'")
return value
@property
def cors_origin_list(self) -> list[str]:
return [origin.strip() for origin in self.cors_origins.split(",") if origin.strip()]
@property
def is_live(self) -> bool:
return self.mode == "live"
@lru_cache
def get_settings() -> Settings:
settings = Settings()
DATA_DIR.mkdir(parents=True, exist_ok=True)
return settings