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Contributing to Subsquid

Subsquid mono-repo is managed by rush. The setup is pretty standard for rush projects. All information from rush docs is applicable here.

Getting started

1. Clone the repo

Subsquid repository contains a number of large test data files, which are stored as git LFS objects.

It can make sense to skip downloading those files by setting GIT_LFS_SKIP_SMUDGE environment variable.

GIT_LFS_SKIP_SMUDGE=1 git clone git@github.com:subsquid/squid.git

2. Install rush

Install rush(1) globally from npm.

npm install -g @microsoft/rush

Alternatively one can use a provided starter script instead of rush(1).

node common/scripts/install-run-rush.js <regular rush command>

3. Install dependencies

rush install

4. Build the project

rush build

5. Run tests

Running tests requires a recent version of docker.

# Run unit tests
rush test

# Run tests requiring git-lfs files
rush data-test

# Run end to end test suite
rush e2e

Pull Requests

All pull requests should be made from a fork. To create a pull request

# 1. Create a new branch to incorporate your changes
git checkout -b new_awesome_feature

# 2. Make and commit your changes

# 3. Create and commit a change file describing your modifications
rush change -b <the target branch you are basing your changes on>
git add common/changes
git commit -m "changes"

After that send a PR from new_awesome_feature to the target branch.