Add Diamond contract unit tests

[zguesmi]

Migration steps:

• Migrate src files (minimal changes)
• Modify receive and fallback behavior in Diamond.sol
• Rename all 1538 to 2535 in contracts and rename Module to Facet in contracts names
• Update all facets to use namespaces app storage.
• Remove ENSIntegration modules/functions
• Update docs (soldoc, diagrams, ...)
• Add unit tests for Diamond.sol

[Copilot]

Pull Request Overview

This PR adds unit tests for the Diamond contract as part of the migration to the Diamond pattern (ERC-2535). The tests verify Diamond contract deployment behavior, ownership setting, and facet cut functionality.

• Adds comprehensive unit tests for Diamond contract deployment scenarios
• Updates license headers to use SPDX-FileCopyrightText format
• Removes legacy Migrations.sol contract that's no longer needed

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 1 comment.

File	Description
test/byContract/Diamond.test.ts	New test file covering Diamond deployment, ownership, and facet cut functionality
contracts/tools/Migrations.sol	Removed legacy migrations contract
contracts/Diamond.sol	Updated license header and comment formatting
CHANGELOG.md	Added entry documenting the new Diamond unit tests

Comments suppressed due to low confidence (2)

test/byContract/Diamond.test.ts:66

• The fallback redirection functionality mentioned in the PR description is not tested. Consider implementing this test to ensure the Diamond proxy correctly redirects fallback calls to facets.

        it.skip('[TODO] Should redirect fallback', async () => {});

test/byContract/Diamond.test.ts:67

• The receive redirection functionality mentioned in the PR description is not tested. Consider implementing this test to ensure the Diamond proxy correctly redirects receive calls to facets.

        it.skip('[TODO] Should redirect receive', async () => {});

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.44%. Comparing base (3ccfc47) to head (6d07510).
Report is 9 commits behind head on feature/diamond.

Additional details and impacted files

@@                 Coverage Diff                 @@
##           feature/diamond     #224      +/-   ##
===================================================
+ Coverage            84.35%   84.44%   +0.08%     
===================================================
  Files                   37       37              
  Lines                 1112     1112              
  Branches               225      225              
===================================================
+ Hits                   938      939       +1     
+ Misses                 174      173       -1     

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[gfournieriExec]

is it possible to type the promise output ?

[zguesmi]

It generates a typing error so I use the generic type any.

[Le-Caignec]

Good Job 💪🏻