@nomicfoundation/hardhat-chai-matchers/README.md

Hardhat utils for testing

# Hardhat Chai Matchers

This plugin adds Ethereum-specific capabilities to the [Chai](https://chaijs.com/) assertion library, making your smart contract tests easy to write and read.

**Version compatibility warning:** This version of the package does not work with Hardhat 2 nor 3. Please read below to migrate to Hardhat 3 or install a version compatible with Hardhat 2.

### Installation

#### Hardhat 3

To learn how to migrate to Hardhat 3, please read the [migration guide](https://hardhat.org/migrate-from-hardhat2).

#### Hardhat 2

To use this package with Hardhat 2, please install the `hh2` tag with npm or your package manager of choice:

```bash
npm install --save-dev "@nomicfoundation/hardhat-chai-matchers@hh2"
```