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DEVELOPMENT.md

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Development Guide

This is a guide with helpful information for developers who want to contribute to the SP1 project.

Getting started

To build SP1, you must install Go. You can run the test suite in SP1 core by running the following command:

cd core
cargo test

Tips

We recommend you install the rust-analyzer extension.

Note that if you use cargo prove new inside a monorepo, you will need to add the path to the Cargo.toml file to rust-analyzer.linkedProjects to get full IDE support.

Debug Constraint Failure

To debug constraint failures, you can use the --features debug feature. For example:

RUST_LOG=info RUST_BACKTRACE=1 cargo test syscall::precompiles::edwards::ed_add::tests::test_ed_add_simple --release --features debug -- --nocapture

Contributing to Docs

To build docs locally, run the following commands in the top-level directory:

cargo install mdbook  # Installs mdbook locally
mdbook serve  # Serves the docs locally

Publishing

SP1 crates are hosted on crates.io. We use release-plz to automate the publication process, and it is configured with release-plz.toml and .github/workflows/release-plz.yml.

With this configuration, when the dev branch is pushed to, the following should happen:

  1. release-plz creates a pull request with the new version.
  2. When we are ready to create a release, we merge the pull request.
  3. After merging the pull request, release-plz publishes the packages.

After the release pull request has been merged to dev, only then should we merge dev into main and create a GitHub release for the new version.

In the case that the automated publish does not work, you can manually do this by installing release-plz and preparing the crates with:

release-plz update

and then publishing the crates with:

release-plz release --git-token $GITHUB_TOKEN