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)
34 lines
773 B
Python
34 lines
773 B
Python
from pydantic import BaseModel
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from typing import Optional, List
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from datetime import datetime
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class TransactionCreate(BaseModel):
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offset_id: int
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quantity: int
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class TransactionResponse(BaseModel):
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id: int
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transaction_hash: str
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quantity: int
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price_per_credit: float
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total_amount: float
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status: str
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block_number: Optional[int] = None
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gas_used: Optional[int] = None
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created_at: datetime
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confirmed_at: Optional[datetime] = None
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buyer_id: int
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offset_id: int
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class Config:
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from_attributes = True
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class TransactionListResponse(BaseModel):
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transactions: List[TransactionResponse]
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total: int
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page: int
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page_size: int
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class PurchaseRequest(BaseModel):
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project_id: int
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quantity: int |