A Python-based client-server transaction system built with sockets that simulates a simple cryptocurrency exchange between predefined users.
- Client-server architecture using Python's socket library
- Multi-threaded server supporting concurrent client connections
- User authentication system
- Transaction processing between users with balance tracking
- Support for split payments to multiple recipients
- Transaction history tracking
- Handles user authentication
- Manages user balances
- Processes transaction requests
- Maintains transaction history
- Supports multiple concurrent connections
- User login interface
- Transaction creation functionality
- Balance and transaction history display
- Split payment capabilities
- Python 3.x
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Start the server:
python server.py -
In a separate terminal, start the client:
python client.py
The system comes with the following predefined users (username and password are identical):
- Username: A, Password: A, Initial balance: 10 BTC
- Username: B, Password: B, Initial balance: 10 BTC
- Username: C, Password: C, Initial balance: 10 BTC
- Username: D, Password: D, Initial balance: 10 BTC
- Log in with one of the predefined users
- View your balance and transaction history
- Make a transaction to one or two recipients
- View updated balance and transaction history
- Quit the program when done
- Single recipient: Transfer funds to one user
- Split payment: Transfer funds to two different users with customizable amounts
The application uses:
- Socket programming for network communication
- Threading for concurrent client connections
- Pickle for object serialization
- Custom User and Transaction classes for data management