import { createWalletClient, custom } from 'viem';
import { sei } from 'viem/chains';

const client = createWalletClient({
  chain: sei,
  transport: custom(window.ethereum),
});

const [account] = await client.getAddresses();

const signature = await client.signMessage({
  account,
  message: 'Hello Sei',
});

import { ethers } from 'ethers';

const provider = new ethers.BrowserProvider(window.ethereum);
const signer = await provider.getSigner();

const signature = await signer.signMessage('Hello Sei');

const [account] = await client.getAddresses();

const signature = await client.signTypedData({
  account,
  domain: {
    name: 'My App',
    version: '1',
    chainId: 1329, // Sei mainnet
    verifyingContract: '0xContractAddress',
  },
  types: {
    Order: [
      { name: 'maker', type: 'address' },
      { name: 'amount', type: 'uint256' },
      { name: 'expiry', type: 'uint256' },
    ],
  },
  primaryType: 'Order',
  message: {
    maker: account,
    amount: 1000000n,
    expiry: BigInt(Math.floor(Date.now() / 1000) + 3600),
  },
});

import { ethers } from 'ethers';

const provider = new ethers.BrowserProvider(window.ethereum);
const signer = await provider.getSigner();

const domain = {
  name: 'My App',
  version: '1',
  chainId: 1329,
  verifyingContract: '0xContractAddress',
};

const types = {
  Order: [
    { name: 'maker', type: 'address' },
    { name: 'amount', type: 'uint256' },
    { name: 'expiry', type: 'uint256' },
  ],
};

const value = {
  maker: await signer.getAddress(),
  amount: 1000000n,
  expiry: BigInt(Math.floor(Date.now() / 1000) + 3600),
};

const signature = await signer.signTypedData(domain, types, value);