# Core contracts

### **Installation**

The GYSR core contracts are published on npm as [**`@gysr/core`**](https://www.npmjs.com/package/@gysr/core)

Install this package to use the core contracts, interfaces, libraries, or ABIs in your own project

```
npm install @gysr/core
```

### **Source code**

The GYSR core codebase is hosted on github at [**gysr-io/core**](https://github.com/gysr-io/core)

For a specific version, releases have been tagged: \[[v1](https://github.com/gysr-io/core/releases/tag/1.0.0)] \[[v2](https://github.com/gysr-io/core/releases/tag/2.0.0)] \[[v2.1](https://github.com/gysr-io/core/releases/tag/2.1.0)] \[[v2.2](https://github.com/gysr-io/core/releases/tag/2.2.0)] \[[v3](https://github.com/gysr-io/core/releases/tag/3.0.0)]

{% hint style="info" %}
***Core v3 code has been released!***  :tada:
{% endhint %}

### Contract docs

The complete generated documentation that describes the functionality and API for the GYSR core v3 contracts can be found below

{% embed url="<https://gysr-io.github.io/>" %}