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)
25 lines
1.0 KiB
Python
25 lines
1.0 KiB
Python
from sqlalchemy import Column, Integer, String, DateTime, Boolean, Text
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from sqlalchemy.orm import relationship
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from datetime import datetime
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from app.db.base import Base
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class User(Base):
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__tablename__ = "users"
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id = Column(Integer, primary_key=True, index=True)
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email = Column(String, unique=True, index=True, nullable=False)
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hashed_password = Column(String, nullable=False)
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full_name = Column(String, nullable=False)
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user_type = Column(String, nullable=False) # "developer" or "buyer"
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is_active = Column(Boolean, default=True)
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created_at = Column(DateTime, default=datetime.utcnow)
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updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
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# Blockchain wallet information
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wallet_address = Column(String, unique=True, nullable=True)
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wallet_public_key = Column(Text, nullable=True)
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# Relationships
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projects = relationship("CarbonProject", back_populates="developer")
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transactions = relationship("Transaction", back_populates="buyer") |