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Repository Audit Report

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Kevin K. Le (LinkedIn) — Founder, Founding Engineer, and Current Lead Engineer; Software Engineer at the Oregon Blockchain Group, University of Oregon.

Kellen Snider — Founding Engineer; Software Engineer at the Oregon Blockchain Group, University of Oregon. His vision, ideas, and dedication during TrustLedger's Ethereum development were invaluable to the codebase we build on today.

See CREDITS.md.

Date: 2026-06-09

Structure And Build System

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TrustLedger is a mixed Solidity, TypeScript, Next.js, Python, Docker, and docs repository. Root tooling owns contracts, scripts, docs, Docker, and CI. src/ owns the frontend package and Next.js API routes. contracts/ owns Foundry.

Linting And TypeScript

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  • Root ESLint uses flat config with type-aware rules for test/**/*.ts, scripts/**/*.ts, and hardhat.config.ts.
  • eslint.scripts.config.mjs handles scripts/**/*.js with strict core JS rules.
  • Config files are linted by npm run lint:config with JS parsing so they do not hit tsconfig.hardhat.json parser-project errors.
  • tsconfig.hardhat.json covers Hardhat config, tests, scripts, and shared types.
  • src/tsconfig.json covers the Next app and shared frontend src/types/.

Hooks And CI

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  • Pre-commit validates Prettier, root lint, frontend lint, and typecheck.
  • Pre-push validates root/frontend lint, typecheck, frontend unit/E2E tests, and Foundry build/test.
  • lint-staged is not installed. Hooks use deterministic repo-level commands instead of adding a new dependency.
  • CI has separate frontend, TypeScript, Python, Hardhat, and Solidity jobs.

Assets

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Canonical target folders now exist under assets/: images, icons, logos, screenshots, diagrams, branding, and documentation. Existing imports were not migrated because current paths include docs theme assets and frontend public assets with separate build semantics. No broken path migration was introduced.

SWC

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src/.swc/ exists as a cache/config artifact area for the Next/SWC toolchain. No custom SWC plugins were added. The current project does not justify custom SWC configuration beyond Next.js defaults.

Build Performance

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  • Docker and CI use lockfile-based installs and separate frontend/root caches.
  • .dockerignore and .gitignore should continue excluding build outputs, caches, node_modules, .next, coverage, artifacts, and contract caches.
  • Next.js/SWC defaults are appropriate.
  • TypeScript incremental metadata is enabled.
  • Cron, oracle, and health routes bound remote reads and expose enough status for deployment smoke checks without leaking secrets.

Cache Health

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Observed cache families: npm, Next.js, TypeScript .tsbuildinfo, ESLint, Prettier, Hardhat, Foundry, SWC, Serena, and generated site/docs output. No cache corruption was proven. Use existing cache:clear scripts only when a cache is demonstrably stale; avoid routine invalidation.

Oracle Phase 6 Item 3

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Implemented a server-side oracle service and API route for validated exchange rates:

  • src/services/oracle.ts
  • src/app/api/oracle/rates/route.ts
  • src/tests/unit/oracle.test.ts

The implementation includes source configurability, allowlisted symbols, positive-price validation, short TTL caching, stale fallback marking, and JSON error responses. It does not yet feed smart contracts; using oracle data on-chain requires a separate audited design.

Monitoring Implementation

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Added GET /api/health through src/services/health.ts and src/app/api/health/route.ts. It reports operational readiness for runtime, Sepolia RPC configuration, notification secret presence, cron secret presence, oracle source, and public app URL validity. It returns only presence/status metadata, never secret values.

Remaining Risks

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  • Phase 7 Item 3 has current sweep coverage for legal helpers, Solana helpers, and the interactive home preview; deeper future coverage gaps remain tracked in docs/reports/coverage-gap-report.md.
  • Mainnet requires a third-party contract audit and a signed audit report.
  • Production monitoring still needs an external alert sink such as Sentry, Datadog, Grafana Cloud, Better Stack, or an equivalent service.
  • External provider failure handling needs deeper E2E coverage.

Authors and Contributors

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  • Kevin K. Le — Founder, Founding Engineer, and Current Lead Engineer (LinkedIn)
  • Kellen Snider — Founding Engineer (LinkedIn)

See CREDITS.md for the complete acknowledgement list.

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This document is part of TrustLedger, an open-source decentralized escrow and arbitration protocol. Use of this software and documentation is subject to the Terms and Conditions, Privacy Policy, and Risk Disclosure. See LEGAL.md for the full compliance and licensing overview.