The Transaction System is a web application built with Vaadin and Spring Boot, designed to manage and process financial transactions efficiently.

• Vaadin Frontend with Spring Boot Backend
• User Authentication: Secure login system with role-based access control.
• Transaction Management: Create, view, and manage transactions seamlessly.
• Responsive UI: Intuitive and responsive user interface built with Vaadin.

Frauds carry significant financial costs and risks for all stakeholders. So, the presence of an anti-fraud system is a necessity for any serious e-commerce platform.

The Anti-Fraud System project provides a comprehensive framework for detecting and preventing fraudulent financial transactions. By integrating role-based access control, RESTful APIs, heuristic validation rules, and adaptive feedback mechanisms, the system offers a robust solution for financial institutions to safeguard against fraud. Leveraging Spring Boot and its associated technologies, the project demonstrates best practices in building secure, scalable, and maintainable applications in the financial sector.

Check out my Github profile: https://github.com/stiebo

Link to the learning project: https://hyperskill.org/projects/232

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1. Role-Based Access Control:

• User Roles: The system defines specific roles, including Administrator, Merchant, and Support.

• Permissions:

  • Administrator: Manages user roles and access rights.

  • Merchant: Submits transactions for validation.

  • Support: Reviews and provides feedback on transactions.

• This structure ensures that users have access only to functionalities pertinent to their roles, enhancing security and operational efficiency.

Execute the following command:

./mvnw clean spring-boot:run

The application will start, and you can access it at http://localhost:8080.

If you prefer to run the application in a Docker container:

1. Build the Docker Image:

   docker build -t transaction-system:latest .

2. Run the Docker Container:

   docker run -p 8080:8080 transaction-system:latest

The application will be available at http://localhost:8080.