CurrenciCombo/docs/DEPENDENCY_UPDATE_PLAN.md

Dependency Update Plan for Breaking Changes

⚠️ Breaking Changes Requiring Testing

The following dependency updates have breaking changes and require careful testing before merging:

1. Express.js 5.1.0 (Major Update)

Current: 4.21.2
Target: 5.1.0
Status: ⚠️ Requires Testing

Breaking Changes:

• Middleware signature changes
• Error handling updates
• Request/Response API changes

Testing Required:

• All API endpoints work correctly
• Middleware functions are compatible
• Error handling works as expected
• SSE endpoints function properly

Action Plan:

1. Create test branch: git checkout -b test-express-5
2. Merge Dependabot branch
3. Run tests: cd orchestrator && npm test
4. Test API endpoints manually
5. Fix any breaking changes
6. Merge to main if all tests pass

---

2. Hardhat 3.0.11 (Major Update)

Current: 2.26.5
Target: 3.0.11
Status: ⚠️ Requires Testing

Breaking Changes:

• Configuration file format changes
• Test API changes
• Compilation changes

Testing Required:

• Contracts compile successfully
• Tests run and pass
• Deployment scripts work
• Test utilities are compatible

Action Plan:

1. Create test branch: git checkout -b test-hardhat-3
2. Merge Dependabot branch
3. Update hardhat.config.ts if needed
4. Run: cd contracts && npm run compile && npm test
5. Fix any breaking changes
6. Merge to main if all tests pass

---

3. Hardhat Toolbox 6.1.0 (Major Update)

Current: 4.0.0
Target: 6.1.0
Status: ⚠️ Requires Testing

Testing Required:

• Works with Hardhat 3.x
• All plugins function correctly
• Tests pass

---

4. Chai 6.2.0 (Major Update)

Current: 4.5.0
Target: 6.2.0
Status: ⚠️ Requires Testing

Breaking Changes:

• Assertion API changes
• Plugin system updates

Testing Required:

• All test assertions work
• Test utilities are compatible
• Update test files if needed

Action Plan:

1. Create test branch: git checkout -b test-chai-6
2. Merge Dependabot branch
3. Run: cd contracts && npm test
4. Update test assertions if needed
5. Merge to main if all tests pass

---

✅ Safe Updates (Already Merged)

The following updates have been merged as they are safe:

• ✅ GitHub Actions: checkout v5, setup-node v6, upload-artifact v5, action-gh-release v2
• ✅ Type definitions: @types/express 5.0.5, @types/node 24.10.0, @types/chai 5.2.3
• ✅ Orchestrator: uuid 13.0.0

---

📋 Next Steps

1. Test Express.js 5.x Update

   • Create test branch
   • Merge and test
   • Fix breaking changes
   • Merge to main

2. Test Hardhat 3.x Update

   • Create test branch
   • Merge and test
   • Update configuration
   • Merge to main

3. Test Chai 6.x Update

   • Create test branch
   • Merge and test
   • Update assertions
   • Merge to main

---

Status: Safe updates merged, breaking changes pending testing
Date: 2025-01-15