Simple webservice for emulating casino's bet placing process

Operations

Main features

• Place Bet
• Show Bet's list

Languages and technologies

• Scala
• Akka Actors, Akka HTTP, Akka Persistence, Akka Cluster
• Cassandra
• Docker

Usage

The best way to run this webservice is to build and run docker image.

Run the whole cluster with one command

• Clone this repository
• Open terminal, navigate to the target folder
• Run: sh ./runCluster.sh
  • It will download necessary images of Cassandra and both, Game and Wallet, services
  • Run them and bind to the local ports (Wallet service - localhost:8080, Game service - localhost:8081, localhost:8082)

Manual Installation

• Validate docker installation or install it (Download here)

• Create docker network: docker network create casino

• Download Cassandra image using docker: docker pull cassandra

• Run cassandra container with alias name cassandra_db: docker run --name cassandra_db -d --net casino cassandra:latest

• Clone the repository for Wallet service: git clone https://github.com/KRoLer/Casino-Wallet-Service.git

• Navigate to the root folder cd Casino-Wallet-Service and run: sbt docker:publishLocal

• Run newly created image: docker run -p "8080:8080" -d --rm --name walletservice --net casino wallet-webservice:0.1

• Clone this repository: git clone https://github.com/KRoLer/Casino-Game-Service.git

• Navigate to the root folder cd Casino-Game-Service and run: sbt docker:publishLocal

• Run cluster with two instance:

  • docker run -p "8081:8081" -d -p "2551:2551" --rm --name gameservice --net casino game-webservice:0.1 -Dservice.withdraw.host=walletservice:8080 -Dakka.cluster.seed-host="gameservice" -Dakka.remote.netty.tcp.hostname="gameservice"
  • docker run -p "8082:8081" -d -p "2552:2552" --rm --name gameservice2 --net casino game-webservice:0.1 -Dservice.withdraw.host=walletservice:8080 -Dakka.remote.netty.tcp.port=2552 -Dakka.cluster.seed-host="gameservice" -Dakka.remote.netty.tcp.hostname="gameservice2"

• To stop all containers use: docker stop gameservice gameservice2 walletservice cassandra_db

Validation

To validate this service locally we recommend to use Postman. After installation open the collection link to import predefined basic calls.

cURL basic queries

• Place Bet Node 1 (Port: 8081)

curl --request POST \
  --url http://localhost:8081/api/v1/bet \
  --header 'Content-Type: application/json' \
  --data '{
	"playerId": 1,
	"gameId": 1,
	"amount": 10
}'

• Place Bet Node 2 (Port: 8082)

curl --request POST \
  --url http://localhost:8082/api/v1/bet \
  --header 'Content-Type: application/json' \
  --data '{
	"playerId": 1,
	"gameId": 2,
	"amount": 100
}'

• Get bets Node 1 (Port: 8081)

curl --request GET \
  --url http://localhost:8081/api/v1/bets/1

• Get bets Node 2 (Port: 8082)

curl --request GET \
  --url http://localhost:8082/api/v1/bets/1