ساخت توکن erc20 با openzeppelin و hardhat

npm install @openzeppelin/contracts

// contracts/MyToken.sol
// SPDX-License-Identifier: MIT
pragma solidity ^.8.;

import "@openzeppelin/contracts/token/ERC20/ERC20.sol";

contract MyToken is ERC20 {
    constructor(uint256 initialSupply) ERC20("MyToken", "MTK") {
        _mint(msg.sender, initialSupply);
    }
}

// scripts/deploy.js
async function main() {
    const initialSupply = 100000; // تعداد توکن‌های اولیه
    const MyToken = await ethers.getContractFactory("MyToken");
    const myToken = await MyToken.deploy(initialSupply);

    await myToken.deployed();
    console.log(`Token deployed to: ${myToken.address}`);
}

main()
    .then(() => process.exit())
    .catch((error) => {
        console.error(error);
        process.exit(1);
    });

npx hardhat node

npx hardhat run scripts/deploy.js --network localhost

// test/MyToken.test.js
const { expect } = require("chai");

describe("MyToken", function () {
    it("Should have the correct name and symbol", async function () {
        const MyToken = await ethers.getContractFactory("MyToken");
        const myToken = await MyToken.deploy(100000);
        await myToken.deployed();

        expect(await myToken.name()).to.equal("MyToken");
        expect(await myToken.symbol()).to.equal("MTK");
    });

    it("Should assign the initial supply to the owner", async function () {
        const [owner] = await ethers.getSigners();
        const MyToken = await ethers.getContractFactory("MyToken");
        const myToken = await MyToken.deploy(100000);
        await myToken.deployed();

        const ownerBalance = await myToken.balanceOf(owner.address);
        expect(ownerBalance).to.equal(100000);
    });
});

npx hardhat test