Plugins
Plugins are the backbone of Hardhat, and they're built using the same config DSL that you use in your Hardhat configuration. Read the Building plugins guide to learn how to create your own, and send a pull request to get it listed here.
Extend Hardhat's functionality with the plugins below.
Official plugins
Injects ethers.js into the Hardhat Runtime Environment
Adds a Waffle-compatible provider to the Hardhat Runtime Environment and automatically initializes the Waffle Chai matchers
Automatically verify contracts on Etherscan
Injects Web3 1.x into the Hardhat Runtime Environment
Integration with TruffleContract from Truffle 5
Easily run solhint to lint your Solidity code
Hardhat plugin for managing Ganache
Automatically run the solpp preprocessor before each compilation
Adds support to compile Vyper smart contracts
Injects Web3 0.20.x into the Hardhat Runtime Environment
Integration with TruffleContract from Truffle 4
Community plugins
Sorted by npm downloadsCode coverage for Solidity
Gas usage per unit test. Average gas usage per method. A mocha reporter.
Hardhat plugin for Deployments
Zero-config TypeChain support for Hardhat.
A hardhat-deploy plugin for Ethers.js v5
Automatically run Hardhat actions on file changes.
Calculate compiled contract sizes
Hardhat plugin for deploying and managing upgradeable contracts.
Automatically export Solidity contract ABIs on compilation
Easily integrate your Hardhat project with Tenderly. Tenderly is an Ethereum monitoring, debugging and analytics platform.
An hardhat plugin to pre-process contract source code before compilation
See emitted events during your hardhat tests in the console
The Solidity mocking library. Smock is a utility package that can generate mock Solidity contracts written entirely in JavaScript.
Generate a static documentation site from NatSpec comments
Automatically prepend local Solidity source files with an SPDX License Identifier
Remove Hardhat console.log imports and calls from Solidity source files
Compile Solidity sources directly from NPM dependencies
Integrate your Hardhat project and Hardhat network with Ethernal. Ethernal is a block explorer for private chains.
A Hardhat plugin that generates a React hook component from your smart contracts. Hot reloaded into your React app. Deployed or not deployed. And everything typed and initialized.
Automatically fetch contract ABI from Etherscan
Exporting solidity contract storage layout
Enhanced hardhat credential security using an interactive prompt and password-encrypted credentials
Transfers Link token amount between accounts.
Automatically compiles your Solidity contracts with the OVM compiler.
Integrates Hardhat and ethers.js with Optimism's L2 network.
Automatically deploy the ERC-1820 registry contract to Hardhat EVM chains.
Allows changing the current network in Hardhat.
Allow loading network configs for Hardhat projects in home file
Provide tasks to integrate Circom and SnarkJS
Hardhat plugin to deploy your smart contracts across multiple EVM chains with the same deterministic address.
Prepare the contract artifacts and the TypeChain bindings for registry deployment.
Buidler plugin for Aragon App development
This plugin brings the proxy contract to Hardhat, which allows you to manage the proxy contract in a simple way.
A Buidler plugin to generate a descriptor of your Solidity source code
Helper plugin to manipulate blocks timestamp and trigger mining. It can be used from the command line and in the tests.