* fix: refactor sign.js and related tests
* fix: remove unused dep
* fix: update package.json correctly
* Add missing tests to ECRecovery
* fix lint
* Reorganize the tests
* Reuse signature
* fix static errors
* Apply suggestions by @frangion and @nventuro
* Remove only
* More suggestions
* Remove unnecessary max-len
* remove only
(cherry picked from commit 75c0a59bb4)