Cairo Language Server for VS Code

Code assistance when writing Cairo smart contracts for StarkNet.

Makes use of the Cairo Language Server.

Note: This is an early preview release and is still in active development.

Features

• Compiler support for .cairo files
• Live diagnostic highlighting for compile errors
• Quick fixes with suggestions provided by Cairo/StarkNet compiler
• Go to definitions for imports
• Code completion for imports

Right-click menu commands using Nile:

• Nile - Clean
• Nile - Compile all
• Nile - Compile this contract
• Run tests with pytest

Setup

1. Install Nile by following its Getting started steps, or follow the Cairo environment setup steps.
2. If using a virtual environment, start VS Code from within that terminal according to the instructions here.
3. Install this extension along with StarkWare's Cairo extension (.vsix file).
4. Open a .cairo file and start editing.
5. If your project's contracts directory is in a subfolder such as src, set the folder name using the sourceDir setting in your VS Code settings under the Cairo LS section.