Money Transfer API

A basic REST API for money transfer between accounts.

Technology Stack

• Java (Language)
• Jetty (Embedded web server)
• Jersey (JAX-RS implementation)
• Guice (Dependency Injection)
• H2 (Embedded/In-memory database)
• HikariCP (DB Connection pool)
• Logback (Logging)

Requirement

Java 8+

Build

In project root directory, type the command below to build fat jar

./gradlew shawdowJar

Run

In project root directory, type the command below to run

java -jar build/libs/money_transfer-0.1-all.jar

or

./gradlew run

Test

In project root directory, type the command below to run the unit test and integration test included in the project

./gradlew test

Rest Endpoints

1. GET /account - get all accounts
2. GET /account/{username} - get account details for username
3. POST /account - Create new account
4. DELETE /account/{username} - delete account by username
5. GET /account/{username}/credit?amount=100 - Credit or Contribute 100 to account owned by username.
6. GET /account/{username}/debit?amount=100 - Debit or Withdraw 100 from account owned by username.
7. GET /account/{username1}/transfer?to={username2}&amount=100 - Transfer 100 from account owned by username1 to account owned by username2.