网络配置

npm install ethers

import { ethers } from "ethers";

const provider = new ethers.JsonRpcProvider(
  "https://rpc.metakina.com"
);

const block = await provider.getBlockNumber();
console.log("block", block);

// hardhat.config.js
module.exports = {
  networks: {
    kinachain: {
      url: "https://rpc.metakina.com",
      chainId: 8880,
      accounts: [process.env.PRIVATE_KEY]
    }
  }
};