Baraza SACCO The Saga Pattern (Distributed Transaction Management)

Step Functions orchestrates ledger updates and M-Pesa payment via API Gateway/Lambda. On failure it runs compensating tr...

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Baraza SACCO The Saga Pattern (Distributed Transaction Management)

Step Functions orchestrates ledger updates and M-Pesa payment via API Gateway/Lambda. On failure it runs compensating transactions to prevent inconsistent balances.

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AWS

Architecture Description

This diagram shows how you ensure financial integrity. Instead of a single, risky transaction, the "Orchestrator" (the brain) manages a sequence of steps. If the payment fails at the final gate, the orchestrator triggers a "Compensating Transaction" to reverse the previous steps, ensuring no member's money is lost in "transit." • Key Services: AWS Step Functions (Orchestrator), Lambda (Ledger Service), API Gateway (M-Pesa Integration). • Architectural Value: Prevents data inconsistency in high-concurrency mobile money environments.

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AI Analysis(1)

AI Review

Tradeoff

about 2 months ago

I appreciate the approach you've taken with the Saga Pattern to manage distributed transactions and ensure financial integrity within Baraza SACCO. However, I see a significant concern with your reliance on AWS Step Functions as the orchestrator.

Andrew Mwangi

@drew

Founder

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