Intro

moneytransfer is a simple and robust money transfer service application, featuring safe transactions and idempotency for critical transfer operations.

sbt run

Then go to http://localhost:8090/swagger to play with REST.

To stop server and exit, press Enter.

Features

• auto-generated documentation (swagger)
• auto-generated REST client interface (swagger)
• unit tests
• integration tests
• load testing (Gatling)
• transaction-safe money transfer
• duplicate transaction prevention using idempotency key
• resource names according to best practices
• featuring scalastyle for high code quality standards

Testing

For unit tests, run:

sbt test

For integration tests, run:

sbt it:test

For load test, run service:

sbt run

and then run gatling in separate console:

sbt gatling:test

Generated reports are located in target/gatling/ folder.

Playing with REST

Go to http://localhost:8090/swagger for REST interactive testing and documentation.

http://localhost:8090/swagger-editor allows you to edit description interactievly, just import URL http://localhost:8090/api-docs/swagger-manual.json.

Config parameters

server{

  # server interface
  host = 0.0.0.0

  # server port
  port = 8090

}

idempotency{

  # time-to-live for idempotency key, in seconds
  TTL = 3600

  # operations between old keys cleanup
  gc = 10000

}