hardhat-fhevm

A hardhat plugin to develop and test solidity programs using Zama's Fhevm.

Installation

npm install --save-dev hardhat-fhevm

Import the plugin in your hardhat.config.js:

require("hardhat-fhevm");

Or if you are using TypeScript, in your hardhat.config.ts:

import "hardhat-fhevm";

Required packages

• fhevm: 0.5.8
• fhevmjs: 0.5.2

Tasks

to start a local fhevm node on port 8545:

npx hardhat fhevm start

to stop the node:

npx hardhat fhevm stop

to restart the node:

npx hardhat fhevm restart

to test your contracts in TFHE mock mode:

npx hardhat test

to test your contracts in using the local fhevm node:

npx hardhat --network fhevm test

to compile your contracts in TFHE mock mode:

npx hardhat compile

to compile your contracts in TFHE local mode:

npx hardhat --network fhevm compile

Environment extensions

This plugin extends the Hardhat Runtime Environment by adding an fhevm field whose type is HardhatFhevmRuntimeEnvironment.