Kleros offers a robust solution for creating decentralized arbitrable contracts. In this guide, we’ll walk you through the steps to get started with the Kleros core smart contracts in a user-friendly manner.

Table of Contents

• 1. Clone the Repository
• 2. Install Dependencies
• 3. Useful Scripts
• 4. Contributing
• 5. Troubleshooting

1. Clone the Repository

First, you’ll need to clone the Kleros GitHub repository. Open your terminal and run:

git clone https://github.com/kleros/kleros-core.git

2. Install Dependencies

After you have cloned the repository, navigate into the project directory and run the following command to install all the necessary dependencies:

yarn

Once the installation is complete, compile the contracts with:

yarn run build

3. Useful Scripts

Kleros comes equipped with a variety of scripts to ease your development process:

• yarn run prettify: Apply Prettier to format the entire project.
• yarn run lint:sol: Lint all Solidity (.sol) files in the project.
• yarn run lint:js: Lint all JavaScript (.js) files in the project.
• yarn run lint:sol –fix: Automatically fix fixable linting errors in .sol files.
• yarn run lint:js –fix: Automatically fix fixable linting errors in .js files.
• yarn run lint: Lint all .sol and .js files simultaneously.
• yarn test: Run Truffle tests on your contracts.
• yarn run cz: Use Commitizen for structured commit messages.

4. Contributing

If you’re interested in contributing to Kleros, please refer to the CONTRIBUTING.md file for guidelines. Additionally, you can learn how to develop arbitrable and arbitrator contracts here.

5. Troubleshooting

While working with Kleros core smart contracts, you may run into some common issues. Here are a few troubleshooting tips:

• Ensure that you have Node.js and Yarn installed on your machine before running the commands.
• If you encounter dependency conflicts, try deleting the node_modules folder and running yarn again.
• If the build fails, check for any syntax errors in your Solidity files.

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By understanding the components of the Kleros smart contracts and following these easy steps, you’re ready to dive into this fascinating domain!

Understanding the Code with an Analogy

Think of the compilation of smart contracts as preparing a special dish that requires several ingredients (dependencies). The yarn run build command is akin to mixing and cooking those ingredients in the right order for the final dish to be ready to serve (deploy). Each script provided acts like specific utensils—some for measuring, some for mixing—allowing you to structure your development process efficiently.

With this analogy in mind, you’re more prepared to navigate through the nuances of Kleros smart contracts with confidence. Happy coding!