e122f16dea
Features implemented: - User authentication with JWT tokens and role-based access (developer/buyer) - Blockchain wallet linking and management with Ethereum integration - Carbon project creation and management for developers - Marketplace for browsing and purchasing carbon offsets - Transaction tracking with blockchain integration - Database models for users, projects, offsets, and transactions - Comprehensive API with authentication, wallet, project, and trading endpoints - Health check endpoint and platform information - SQLite database with Alembic migrations - Full API documentation with OpenAPI/Swagger Technical stack: - FastAPI with Python - SQLAlchemy ORM with SQLite - Web3.py for blockchain integration - JWT authentication with bcrypt - CORS enabled for frontend integration - Comprehensive error handling and validation Environment variables required: - SECRET_KEY (JWT secret) - BLOCKCHAIN_RPC_URL (optional, defaults to localhost)
24 lines
550 B
Python
24 lines
550 B
Python
from pathlib import Path
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from sqlalchemy import create_engine
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from sqlalchemy.orm import sessionmaker
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from app.db.base import Base
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DB_DIR = Path("/app") / "storage" / "db"
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DB_DIR.mkdir(parents=True, exist_ok=True)
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SQLALCHEMY_DATABASE_URL = f"sqlite:///{DB_DIR}/db.sqlite"
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engine = create_engine(
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SQLALCHEMY_DATABASE_URL,
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connect_args={"check_same_thread": False}
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)
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SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
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def get_db():
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db = SessionLocal()
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try:
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yield db
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finally:
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db.close() |