Transfer money between accounts using Java Play and H2

Description

JAVA REST API for creating/updating accounts, transferring money between accounts and listing transfers. Technologies used:

• Java Play framework
• H2 in memory database
• Ebean

Usage

Server listens at port 9000. Services:

• GET /api/1.0/accounts/list
  • Lists existing accounts
• POST /api/1.0/accounts/upsert
  • Creates new or updates existing account. Updatable properties are "name", "active"
  • Body example:

  {
  	"name":"justas",
  	"balance":"100",
  	"currencyCode":"EUR",
  	"active":"true"
  }
  

• POST /api/1.0/accounts/transfer
  • Transfers money between two accounts. If origin account has insufficient funds - waits for some time (in case deposit transaction runs in parallel)
  • Body example:

  {
  	"sourceAccountId":"1",
  	"targetAccountId":"2",
  	"amount":"100"
  }
         

• GET /api/1.0/accounts/transferList
  • Lists all transfers

Launch

To start please clone repository and run launch.sh script. Ex.:

git clone https://github.com/justas79/transferv1.git
cd transferv1/
chmod +x launch.sh 
./launch.sh 

Alternately1: unzip transferv1-1.0-SNAPSHOT.zip and launch with command : ./transferv1-1.0-SNAPSHOT/bin/transferv1 -Dplay.http.secret.key=transferv1secret

Alternately2: if you have sbt installed, type sbt run from the root of the project folder