Stranger65536 / revolut-test-exercise

Test exercise for revolut position

RESTful API (including data model and the backing implementation) for money transfers between accounts

Uses H2DB database with default data of 2 accounts:

ID	Amount
1	2
100.0	200.0

REST API Definition

GET /accounts/:id - returns information about current amount for the specified account id

Response status	Response content	Description
200	{"id": String, "amount": String}	Account exists, success
404	{"error": String}	Account with specified does not exist
500	{"error": String, "frames": [String]}	Error has occurred

POST /transfers - makes a transfer of the specifide amount between specifiede accounts
{
  "sourceAccountId": String,
  "targetAccountId": String,
  "amount": String
} 

Response status	Response content	Description
204	No content	Transfer successful
404	{"error": String}	One of the specified accounts doesn't exist, error field contains the details of which one is missing
400	{"error": String, "frames": [String]}	Either request JSON is invalid or doesn't match expected schema, or source and target accounts are the same, or specified amount is less than or equal to zero
403	{"error": String}	Transfer can't be processed due to insufficient funds on the source account
500	{"error": String, "frames": [String]}	Error has occurred

Start

This application requires JDK 8 and gradle 5+

gradle clean build
java -jar build/libs/revolut-1.0.jar

Properties

These properties are configurable at application.properties to modify startup port and database connection details:

db.classname
db.connectionTestString
db.password
db.url
db.user
server.port