felipiberdun / money-transfer

Money Transfer

About

This is a simple application to create accounts and manage money transfer between them.

It was created using Kotlin language and Micronaut framework in a reactive model. Spek2 and Mockk were used to write the tests.

Starting up the application

1. Download this project or git clone it using git clone [e-mail]:felipiberdun/money-transfer.git;
2. Open project's root folder and run gradlew clean build to compile and generate the artifact;
3. Start the application using java -jar build/libs/money-transfer-0.1-all.jar;
4. The message Startup completed in Xms. Server Running: http://localhost:8080 signals that the application is up and running;

Routes

Creating an account

Request

POST - http://localhost:8080/accounts

{
	"owner":"Account owner name"
}

Response

201 Created - Location header will provide the new resource

---

Retrieving account

Request

GET - http://localhost:8080/accounts/{accountId}

Response

200 OK

{
  "id": "33accfc6-9e94-4c22-ad1d-24151cfc8de7",
  "owner": "Account owner name",
  "creationDate": "2019-12-01T20:09:35.163"
}

---

Querying an account current balance

Request

GET - http://localhost:8080/accounts/{accountId}/balance

Response

23.0

---

Retrieving account's transactions

Request

GET - http://localhost:8080/accounts/{accountId}/transactions

Response

200 OK

[
    {
        "id": "92a2d0f3-d77a-49c1-a967-3cc47cdf40eb",
        "destination": "33accfc6-9e94-4c22-ad1d-24151cfc8de7",
        "amount": 23.0,
        "date": "2019-12-01T20:10:10.275",
        "type": "DEPOSIT"
    }
]

---

Depositing money into an account

Request

POST - http://localhost:8080/accounts/{accountId}/deposits

{
	"amount": 23
}

Response

201 Created - Location header will provide the new resource

---

Withdrawing money from account

Request

POST - http://localhost:8080/accounts/{accountId}/withdraws

{
	"amount": 1
}

Response

201 Created - Location header will provide the new resource

---

Transferring money from account to another

Request

POST - http://localhost:8080/accounts/{accountId}/transfers

{
	"amount": 40,
	"destination": "6c6872a4-9994-44a7-b709-652c296449d5"
}

Response

201 Created - Location header will provide the new resource

Next steps

1. To use GraalVM to compile the application down to native code;
2. Improve Swagger/OpenAPI documentation;
3. Set up and compare data sources;
4. Load testings;