Deploy Contract

Use Arbitrum Sepolia testnet

https://dashboard.alchemy.com/apps/j3k2fv9o3o9wje2x/setup

拿 Node RPC API

Setting ALCHEMY API

npx hardhat vars set “varible name”

npx hardhat vars set ALCHEMY_API_KEY

Create Arbitrum Sepolia account

use private key

npx hardhat vars set ARBITRUM_SEPOLIA_PRIVATE_KEY

Setting network

在hardhat.config.js的module.exports設定網路

networks: {
  arbitrumSepolia: {
    url: `https://arb-sepolia.g.alchemy.com/v2/${ALCHEMY_API_KEY}`,
    accounts: [ARBITRUM_SEPOLIA_PRIVATE_KEY],
  },
},

Create scripts dictionary

mkdir scripts

Create deploy.js

touch deploy.js

const { ethers } = require("hardhat");

async function main() {
    const Token = await ethers.getContractFactory("Token");//要放你要deploy的contract的名字
    const token = await Token.deploy();
    console.log(`Token deployed at: ${token.target}`);
}

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

Use commad

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

terminal will show the contract address

0xe8f6dab9045c9ce68d37ea95e416d54e7e5678ef

you can search the address on the arbiscan.io

https://sepolia.arbiscan.io/address/0xe8f6dab9045c9ce68d37ea95e416d54e7e5678ef