import type { VoidSigner } from "@ethersproject/abstract-signer";
import { useNetwork, useSigner } from "wagmi";

const [{ data: signer }] = useSigner();

const domain = {
  name: "Ether Mail",
  version: "1",
  chainId: networkData.chain.id,
  verifyingContract: "0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC",
};

// The named list of all type definitions
const types = {
  Person: [
    { name: "name", type: "string" },
    { name: "wallet", type: "address" },
  ],
  Mail: [
    { name: "from", type: "Person" },
    { name: "to", type: "Person" },
    { name: "contents", type: "string" },
  ],
};

// The data to sign
const value = {
  from: {
    name: "Cow",
    wallet: "0xCD2a3d9F938E13CD947Ec05AbC7FE734Df8DD826",
  },
  to: {
    name: "Bob",
    wallet: "0xbBbBBBBbbBBBbbbBbbBbbbbBBbBbbbbBbBbbBBbB",
  },
  contents: "Hello, Bob!",
};

const signature = await (signer as VoidSigner)._signTypedData(domain, types, value);