setCcipResolver.ts

import hre, { ethers } from "hardhat";

const ENS_NAME = "testccip.eth";

export const setCcipResolver = async () => {

    const { getNamedAccounts, deployments } = hre
    const { deploy, get }                   = deployments

    const ccipResolver = await get("ERC3668Resolver");
    const nameWrapper = await get("NameWrapper");

    const [signer] = await hre.ethers.getSigners();
    const node = ethers.utils.namehash(ENS_NAME);

    const registryInterface = new ethers.utils.Interface(["function setResolver(bytes32 node, address resolver) external"]);

    const data = registryInterface.encodeFunctionData("setResolver", [
        node, 
        ccipResolver.address
    ]);

    const tx = await signer.sendTransaction({
        to: nameWrapper.address,
        data,
        gasLimit: 56631,
        gasPrice: '200000000'
    });

    console.log("Transaction hash: ", tx.hash);
    const rec = await tx.wait();
    console.log(`CCIP resolver for domain ${ENS_NAME} set to ${ccipResolver.address} `);
};

setCcipResolver();