typechain

import { HardhatUserConfig, task } from 'hardhat/config'; import '@nomicfoundation/hardhat-toolbox'; import '@typechain/hardhat'; // Import the Hardhat TypeChain plugin const config: HardhatUserConfig = { solidity: "0.8.20", networks: { hardhat: { chainId: 1337, // Example local network ID }, }, typechain: { outDir: 'typechain-types', // Output directory for generated types target: 'ethers-v6', // Specify the target library (e.g., ethers.js v6) alwaysConsiderOverloadedFunctions: true, }, }; // Example Hardhat task demonstrating usage of TypeChain generated types task("deploy", "Deploys a sample contract").setAction(async (taskArgs, hre) => { const [deployer] = await hre.ethers.getSigners(); console.log( "Deploying contracts with the account:", deployer.address ); // Accessing a generated contract factory type (e.g., Greeter__factory) // Ensure your contract is named 'Greeter.sol' in the 'contracts' directory const GreeterFactory = await hre.ethers.getContractFactory("Greeter"); const greeter = await GreeterFactory.deploy("Hello, Hardhat!"); await greeter.waitForDeployment(); console.log(`Greeter deployed to ${greeter.target}`); // Using type-safe method calls on the deployed contract instance const message = await greeter.greet(); console.log("Contract message:", message); }); export default config; /* // Example Solidity contract: contracts/Greeter.sol // SPDX-License-Identifier: MIT // pragma solidity ^0.8.20; // // contract Greeter { // string private _greeting; // // constructor(string memory greeting_) { // _greeting = greeting_; // } // // function greet() public view returns (string memory) { // return _greeting; // } // // function setGreeting(string memory greeting_) public { // _greeting = greeting_; // } // } */