73b706f0eb
- Created Alembic migrations for SQLite database - Set up database initialization on app startup - Fixed linting issues with Ruff - Updated README with comprehensive documentation - Configured startup tasks and health checks
62 lines
2.3 KiB
Python
62 lines
2.3 KiB
Python
import secrets
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from typing import Any, List, Optional
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from pathlib import Path
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from pydantic import field_validator
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from pydantic_settings import BaseSettings, SettingsConfigDict
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class Settings(BaseSettings):
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# Basic application info
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PROJECT_NAME: str = "Solana Arbitrage Trading System"
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PROJECT_DESCRIPTION: str = "A backend system for detecting and executing arbitrage opportunities on Solana DEXes"
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VERSION: str = "0.1.0"
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API_V1_STR: str = "/api/v1"
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# Security
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SECRET_KEY: str = secrets.token_urlsafe(32)
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ACCESS_TOKEN_EXPIRE_MINUTES: int = 60 * 24 * 8 # 8 days
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# Database
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DB_DIR: Path = Path("/app") / "storage" / "db"
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SQLALCHEMY_DATABASE_URL: str = f"sqlite:///{DB_DIR}/db.sqlite"
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# Solana configuration
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SOLANA_RPC_URL: str = "https://api.mainnet-beta.solana.com"
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SOLANA_NETWORK: str = "mainnet-beta" # Can be mainnet-beta, testnet, or devnet
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WALLET_KEYPAIR_PATH: Optional[str] = None # Path to the keypair JSON file
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# Trading parameters
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PROFIT_THRESHOLD_PERCENT: float = 1.0 # Minimum profit percentage to consider an opportunity
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MAX_SLIPPAGE_PERCENT: float = 0.5 # Maximum allowed slippage percentage
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EXECUTION_ENABLED: bool = False # Whether to actually execute trades or just monitor
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SCAN_INTERVAL_SECONDS: int = 10 # How often to scan for arbitrage opportunities
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# Monitored tokens - comma-separated list of token addresses to monitor
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MONITORED_TOKENS: List[str] = []
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@field_validator("MONITORED_TOKENS", mode="before")
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def validate_monitored_tokens(cls, v: Any) -> List[str]:
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if isinstance(v, str) and v:
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return [token.strip() for token in v.split(",")]
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return []
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# DEX configuration
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ENABLED_DEXES: List[str] = ["jupiter", "raydium"]
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@field_validator("ENABLED_DEXES", mode="before")
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def validate_enabled_dexes(cls, v: Any) -> List[str]:
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if isinstance(v, str) and v:
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return [dex.strip().lower() for dex in v.split(",")]
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return ["jupiter", "raydium"] # Default if not specified
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model_config = SettingsConfigDict(
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env_file=".env",
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env_file_encoding="utf-8",
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case_sensitive=True,
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)
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settings = Settings()
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# Create DB directory if it doesn't exist
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settings.DB_DIR.mkdir(parents=True, exist_ok=True) |