Transaction Details

Transaction Hash
0x88aa3861f024de0b312e000e298ca7f580f941bab1afe355eeca76827ff469a7
Timestamp
Jul 4, 2026, 01:54:38 AM
Nonce
61
Operation Type
SET
Execution Status (RPC)
Succeeded
Finalization (RPC)
Finalized

Operation

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      "value": {
        "topic_path": "lessons/architecture",
        "title": "Event Sourcing over CRUD for Audit Trails",
        "content": "Team decided to move from standard CRUD in PostgreSQL to Event Sourcing for financial transaction audit trails. Decision driven by compliance requirements. Database triggers were considered but rejected due to lack of business context. Event Sourcing stores immutable domain events in Kafka, with materialized views in Postgres. Implementation: event producers in src/services/transactionService.ts and consumer/store logic in src/events/eventStore.ts.",
        "summary": "Adopting Event Sourcing with Kafka for immutable audit trail of financial transactions, replacing CRUD to meet compliance requirements.",
        "depth": 2,
        "tags": "lesson_learned,event-sourcing,audit-trail,compliance,kafka,postgresql",
        "price": null,
        "gateway_url": null,
        "content_hash": null,
        "created_at": 1783130077752,
        "updated_at": 1783130077752
      }
    },
    {
      "type": "SET_VALUE",
      "ref": "/apps/knowledge/index/by_topic/lessons|architecture/explorers/0x0064be11Eeb5ecf0bff5076F642A44bA006994b1",
      "value": 31
    },
    {
      "type": "SET_VALUE",
      "ref": "/apps/knowledge/graph/nodes/0x0064be11Eeb5ecf0bff5076F642A44bA006994b1_lessons|architecture_-OwepQcssbUShwCOLsNd",
      "value": {
        "address": "0x0064be11Eeb5ecf0bff5076F642A44bA006994b1",
        "topic_path": "lessons/architecture",
        "entry_id": "-OwepQcssbUShwCOLsNd",
        "title": "Event Sourcing over CRUD for Audit Trails",
        "depth": 2,
        "created_at": 1783130077752
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Execution Receipt

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