import { createPublicClient, http, parseAbi } from "viem";
import { mainnet } from "viem/chains";

const client = createPublicClient({
  chain: mainnet,
  transport: http(),
});

const abi = parseAbi([
  "function balanceOf(address) view returns (uint256)",
  "function totalSupply() view returns (uint256)",
]);

const contractAddress = "0x...";

// Read: get token balance for an address
const balance = await client.readContract({
  address: contractAddress,
  abi,
  functionName: "balanceOf",
  args: ["0x742d35Cc6634C0532925a3b844Bc454e4438f44e"],
});

console.log("Balance:", balance);