Feature/issue 471 comprehensive audit trail#571
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anonfedora merged 5 commits intoJun 27, 2026
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- Add audit.types.ts: AuditEvent, AuditStatus enum (SUCCESS/FAILED/CRITICAL), AuditActor, and IBlockchainAnchorProvider interface - Extend AuditContext with role and status fields; include both in SHA-256 chain - audit-anchor.service.ts: MockAnchorProvider now implements IBlockchainAnchorProvider (anchorHash method), decoupled from legacy AnchorProvider interface - audit.service.ts: eventId (record.id), actor role, and status are hashed and stored; verifyIntegrity() recomputes using _role/_status from details - audit.controller.ts: REST handlers for search, export, integrity, replay, compliance report, GDPR redact, and blockchain anchoring - admin.routes.ts: all audit endpoints wired under /admin/audit/* - Migration 20260623000001: adds correlationId, entryHash, previousHash, anchoredAt, anchorTxId, redactedAt columns and performance indexes - Tests: tamper-evidence chain, integrity verification, PII redaction, Merkle root, AuditStatus enum, role/status persistence
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Description
This PR implements Issue #471, completely overhauling the existing
audit.service.tsto transition it from a basic logger into a secure, tamper-evident, and compliant enterprise-grade audit trail system.The service now enforces cryptographic sequencing on all audit logs, introduces blockchain anchoring placeholders for high-risk financial events, and builds out the necessary infrastructure for GDPR/SOC2 compliance reporting.
Key Changes
Security & Cryptography
previousHash), rendering historical logs completely tamper-evident.IBlockchainAnchorProviderinterface to anchor high-priority financial operations (e.g., withdrawals) onto a decentralized ledger simulation.Schema & Compliance
actorroles, and structural state deltas.Performance & Operations
timestamp,action, andactorfields to keep searching limits under 1 second.How Has This Been Tested?
Checklist
Closes: #471