Chore/increase test coverage and add natspec · consenlabs/tokenlon-contracts@3c437d6

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2, actions/setup-node@v1. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

The following actions uses Node.js version which is deprecated and will be forced to run on node20: actions/checkout@v2, actions/setup-node@v1. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/

Immutable variables name are set to be in capitalized SNAKE_CASE

Immutable variables name are set to be in capitalized SNAKE_CASE

Named parameters missing. MIN unnamed argumenst is 4

Function order is incorrect, internal view function can not go after private view function (line 36)

Function name must be in mixedCase

Function order is incorrect, event definition can not go after custom error definition (line 26)

Function order is incorrect, enum definition can not go after custom error definition (line 20)

Immutable variables name are set to be in capitalized SNAKE_CASE

Immutable variables name are set to be in capitalized SNAKE_CASE

Avoid to use low level calls

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