Payment Transfer System

This application uses Java and Spring boot framework to publish the rest endpoint used in intra bank payment transfer system.

Few Assumptions Made

While creating the rest endpoint few assumption were made. Below are the list of all the assumption made

• Currency for every account default to GBP.
  If require we can implement the Utility class or an api which can do the currency conversion and also add the coversion charges based on that, amount can be deducted while transfering the fund
• When closing the account, user is only able to close the account if the account is not holding any balance.
• While creating a new account, account-id need to passed by the user. When doing the actaul implement this can be generated based the account number generator
• When the account is deleted, user is only able to see his/her account details. He is not able to check the balance, mini-statements or transfer and receive the funds.

How to run the application

• Build the application using

  mvn clean install

• Run the application using

  mvn spring-boot:run
           or
  Run PaymentTransferSystemApplication Java file

How to access the application

When the application starts it can be accessible on port no 8080.

Integration with Swagger

To test the above endpoints you can either use any tool like Postman or you can access Swagger on http://localhost:8080/swagger-ui/index.html

Rest Endpoints

Application publish following endpoint:

• To get the account balance
  GET http://localhost:8080/accounts/{accountId}/balance
• To get the mini statement (only provides last 20 transaction)
  GET http://localhost:800/accounts/{accountId}/statement/mini
• To Transfer funds from one account to another account
  POST http://localhost:8080/transfer-fund
• To Create the new user account
  POST http://localhost:8080/account/new
• To Close the user account
  POST http://localhost:8080/account/{accountId}/close
• To get the user account details
  GET http://localhost:8080/account/{accountId}