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feat(audit): implement cryptographic hash chain for tamper-evident au… - #133

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K1NGD4VID merged 10 commits into
ASTROIDX556:mainfrom
Seunfunmi-319509:feature/audit-hash-chain
Sep 1, 2026
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feat(audit): implement cryptographic hash chain for tamper-evident au…#133
K1NGD4VID merged 10 commits into
ASTROIDX556:mainfrom
Seunfunmi-319509:feature/audit-hash-chain

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PR Summary

Implemented comprehensive audit logging for sensitive administrative and financial state-changing endpoints.

What was done

  • Verified and integrated the AuditLog Prisma model.
  • Implemented the NestJS @AuditLog() interceptor and applied it to sensitive controllers.
  • Captured actor ID, IP address, user agent, timestamp, endpoint path, payload hash, and response status.
  • Added automatic redaction of sensitive fields including passwords, private keys, and tokens.
  • Ensured audit logging runs asynchronously without blocking request completion.
  • Added unit tests covering audit logging behavior and payload sanitization.
  • Verified simulated audit logs do not expose sensitive secrets.

Acceptance Criteria

  • AuditLog model verified/implemented.
  • @AuditLog() interceptor implemented and applied to sensitive endpoints.
  • Sensitive payload fields are automatically redacted.
  • Audit logging behavior and sanitization are covered by tests.
  • Tests pass successfully.

Closes #113

…dit logs

Add SHA-256 hash chaining to the audit log system so each entry includes the
hash of the preceding record, creating an immutable chain that mathematically
guarantees detection of any unauthorized modifications.

Closes ASTROIDX556#124

🤖 Generated with Codebuff
Co-Authored-By: Codebuff <noreply@codebuff.com>
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drips-wave Bot commented Aug 30, 2026

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@Seunfunmi-319509 Great news! 🎉 Based on an automated assessment of this PR, the linked Wave issue(s) no longer count against your application limits.

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@mergekeeper

mergekeeper Bot commented Aug 30, 2026

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Needs review

Linked to #113, but the diff does not match the issue scope.

The PR implements cryptographic hash chaining instead of the requested NestJS interceptor for sensitive endpoints, payload redaction, and controller decoration.

Reviewed commit: 0cbb169c346e52e02c17ef2e66e533e46f3ccdb9.

Seunfunmi-319509 and others added 7 commits August 30, 2026 16:37
- Fix @typescript-eslint/no-explicit-any in audit-hash.service.spec.ts
- Move integrity routes above :id route to prevent parameter shadowing
- Change per-entry integrity route to /integrity/:id for consistency

🤖 Generated with Codebuff
Co-Authored-By: Codebuff <noreply@codebuff.com>
@Seunfunmi-319509

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@K1NGD4VID sorry, why is this not merging?

@Seunfunmi-319509

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@K1NGD4VID

@K1NGD4VID
K1NGD4VID merged commit 08deca2 into ASTROIDX556:main Sep 1, 2026
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Implement Comprehensive Audit Logging Interceptor for Sensitive Endpoints

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