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feat: Java anti-fraud transaction validation system - #606
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ChristopherEspejo wants to merge 1 commit into
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feat: Java anti-fraud transaction validation system #606ChristopherEspejo wants to merge 1 commit into
ChristopherEspejo wants to merge 1 commit into
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...ring Boot Two microservices with hexagonal architecture communicating via Kafka: - transaction-service: REST API for creating/querying transactions with PostgreSQL persistence, Redis caching (TTL-based), and Kafka event publishing - antifraud-service: Kafka consumer that evaluates fraud rules (value > 1000 = rejected), with idempotency via evaluated_transactions table
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Architecture