5bb78bd9be
- Create project structure with FastAPI - Add database models for blocks, transactions, arbitrages, pools, and DEXes - Implement Solana RPC client for fetching blockchain data - Create arbitrage detection algorithm - Implement comprehensive API endpoints for analytics - Set up database migrations with Alembic - Add detailed project documentation generated with BackendIM... (backend.im) Co-Authored-By: Claude <noreply@anthropic.com>
41 lines
1.3 KiB
Python
41 lines
1.3 KiB
Python
import os
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from pathlib import Path
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from typing import List, Optional, Union
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from pydantic import field_validator
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from pydantic_settings import BaseSettings
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class Settings(BaseSettings):
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API_V1_STR: str = "/api/v1"
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PROJECT_NAME: str = "Solana Arbitrage Analytics"
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# CORS
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BACKEND_CORS_ORIGINS: List[str] = ["*"]
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# Solana RPC endpoint
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SOLANA_RPC_URL: str = os.getenv("SOLANA_RPC_URL", "https://api.mainnet-beta.solana.com")
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# Database settings
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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 settings
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BLOCKS_TO_FETCH: int = 100 # Number of blocks to fetch in a batch
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POLLING_INTERVAL: int = 60 # Seconds between polling new blocks
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@field_validator("BACKEND_CORS_ORIGINS")
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@classmethod
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def assemble_cors_origins(cls, v: Union[str, List[str]]) -> Union[List[str], str]:
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if isinstance(v, str) and not v.startswith("["):
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return [i.strip() for i in v.split(",")]
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elif isinstance(v, (list, str)):
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return v
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raise ValueError(v)
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class Config:
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case_sensitive = True
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env_file = ".env"
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# Ensure DB directory exists
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settings = Settings()
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settings.DB_DIR.mkdir(parents=True, exist_ok=True) |