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Evmos Contributor Guidelines

General Procedure

Thank you for considering making contributions to Evmos and related repositories!

Contributing to this repo can mean many things such as participating in discussion or proposing code changes. To ensure a smooth workflow for all contributors, the following general procedure for contributing has been established:

  1. Either open or find an issue you have identified and would like to contribute to resolving.
  2. Participate in thoughtful discussion on that issue.
  3. If you would like to contribute:
    1. If the issue is a proposal, ensure that the proposal has been accepted by the Evmos team.
    2. Ensure that nobody else has already begun working on the same issue. If someone already has, please make sure to contact the individual to collaborate.
    3. If nobody has been assigned the issue and you would like to work on it, make a comment on the issue to inform the community of your intentions to begin work. Ideally, wait for confirmation that no one has started it. However, if you are eager and do not get a prompt response, feel free to dive on in!
    4. Follow standard Github best practices:
      1. Fork the repo
      2. Branch from the HEAD of main(For core developers working within the evmos repo, to ensure a clear ownership of branches, branches must be named with the convention {username}/{issue#}-branch-name).
      3. Make commits
      4. Submit a PR to main
    5. Be sure to submit the PR in Draft mode. Submit your PR early, even if it's incomplete as this indicates to the community you're working on something and allows them to provide comments early in the development process.
    6. When the code is complete it can be marked Ready for Review.
    7. Be sure to include a relevant change log entry in the Unreleased section of CHANGELOG.md (see file for log format).
    8. Please make sure to run make format before every commit - the easiest way to do this is having your editor run it for you upon saving a file. Additionally, please ensure that your code is lint compliant by running make lint. There are CI tests built into the Evmos repository and all PR’s will require that these tests pass before they can be merged.

Note: for very small or blatantly obvious problems (such as typos), it is not required to open an issue to submit a PR. For more complex problems/features, if a PR is opened before an adequate design discussion has taken place in a GitHub issue, that PR runs a high likelihood of being rejected.

Looking for a good place to start contributing? Check out our good first issues.

Testing

Evmos uses GitHub Actions for automated testing.

Updating Documentation

If you open a PR on the Evmos repo, it is mandatory to update the relevant documentation in /docs. Please refer to the docs subdirectory and make changes accordingly. Prior to approval, the Code owners/approvers may request some updates to specific docs.

Commit messages

Commit messages should be written in a short, descriptive manner and be prefixed with tags for the change type and scope (if possible) according to the semantic commit scheme.

For example, a new change to the bank module might have the following message: feat(bank): add balance query cli command

PR Targeting

Ensure that you base and target your PR on the main branch.

All feature additions should be targeted against main. Bug fixes for an outstanding release candidate should be targeted against the release candidate branch.

Pull Requests

To accommodate the review process, we suggest that PRs are categorically broken up. Ideally each PR addresses only a single issue. Additionally, as much as possible code refactoring and cleanup should be submitted as separate PRs from bug fixes/feature-additions.

Process for reviewing PRs

All PRs require two Reviews before merge. When reviewing PRs, please use the following review explanations:

  1. LGTM without an explicit approval means that the changes look good, but you haven't pulled down the code, ran tests locally and thoroughly reviewed it.
  2. Approval through the GH UI means that you understand the code, documentation/spec is updated in the right places, you have pulled down and tested the code locally. In addition:
    • You must think through whether any added code could be partially combined (DRYed) with existing code.
    • You must think through any potential security issues or incentive-compatibility flaws introduced by the changes.
    • Naming convention must be consistent with the rest of the codebase.
    • Code must live in a reasonable location, considering dependency structures (e.g. not importing testing modules in production code, or including example code modules in production code).
    • If you approve of the PR, you are responsible for fixing any of the issues mentioned here.
  3. If you are only making "surface level" reviews, submit any notes as Comments without adding a review.

Branching

This repository will follow the GitLab Flow branching strategy:

  • All the development will be merged to main
    • main will be deployed to the staging environment
  • Once tested and ready to be deployed main will be merged to the branch production
    • production will be deployed to the production environment

Any development will be branched from main and be named {username}/{issue#}-branch-name

Versioning

The repository will use semantic versioning, in short:

Given a version number MAJOR.MINOR.PATCH, increment the:

  • MAJOR version when you make incompatible API changes
  • MINOR version when you add functionality in a backwards compatible manner
  • PATCH version when you make backwards compatible bug fixes

Additional labels for pre-release and build metadata are available as extensions to the MAJOR.MINOR.PATCH format.