
- Built complete CEX platform with FastAPI and Python - JWT-based authentication system with secure password hashing - Multi-currency crypto wallet support (BTC, ETH, USDT) - Fiat account management (USD, EUR, GBP) - Local transaction signing without external APIs - Comprehensive transaction handling (send/receive/deposit/withdraw) - SQLAlchemy models with Alembic migrations - Security middleware (rate limiting, headers, logging) - Input validation and sanitization - Encrypted private key storage with PBKDF2 - Standardized codebase architecture with service layer pattern - Complete API documentation with health endpoints - Comprehensive README with setup instructions Features: - User registration and authentication - Crypto wallet creation and management - Secure transaction signing using local private keys - Fiat deposit/withdrawal system - Transaction history and tracking - Rate limiting and security headers - Input validation for all endpoints - Error handling and logging
37 lines
1.2 KiB
Python
37 lines
1.2 KiB
Python
from datetime import datetime, timedelta
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from typing import Optional
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from jose import JWTError, jwt
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from passlib.context import CryptContext
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from app.core.config import settings
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pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
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def create_access_token(data: dict, expires_delta: Optional[timedelta] = None):
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to_encode = data.copy()
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if expires_delta:
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expire = datetime.utcnow() + expires_delta
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else:
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expire = datetime.utcnow() + timedelta(minutes=settings.access_token_expire_minutes)
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to_encode.update({"exp": expire})
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encoded_jwt = jwt.encode(to_encode, settings.secret_key, algorithm=settings.algorithm)
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return encoded_jwt
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def verify_token(token: str):
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try:
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payload = jwt.decode(token, settings.secret_key, algorithms=[settings.algorithm])
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email: str = payload.get("sub")
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if email is None:
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return None
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return email
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except JWTError:
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return None
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def verify_password(plain_password: str, hashed_password: str) -> bool:
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return pwd_context.verify(plain_password, hashed_password)
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def get_password_hash(password: str) -> str:
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return pwd_context.hash(password) |