Midas Core - Integration Task Completion

[Pikolosan]

✅ Tasks Completed

1. Project Setup:

   • Forked and cloned the scaffolded repository
   • Configured Java 17 and Maven in the development environment
   • Added required dependencies:
     • spring-boot-starter-data-jpa
     • spring-boot-starter-web
     • spring-kafka
     • h2
     • spring-boot-starter-test
     • spring-kafka-test
     • testcontainers-kafka

2. Kafka Integration:

   • Implemented a Kafka listener to consume Transaction messages from the configured topic
   • Used provided in-memory Kafka setup for testing

3. Database Integration:

   • Integrated H2 in-memory database
   • Created TransactionRecord entity to persist valid transactions
   • Validated transactions and updated user balances based on sender/recipient and amount

4. REST Incentive API Integration:

   • Connected to local /incentive endpoint via RestTemplate
   • Sent validated transactions and received incentive amounts
   • Applied incentives to recipient balances

5. Balance REST API:

   • Developed GET /balance endpoint
   • Returned user balance as a JSON response
   • Defaulted to 0 if the user did not exist
   • Exposed the API on port 33400