import { createPublicClient, createWalletClient, http, parseEther, formatEther } from "viem";
import { mainnet } from "viem/chains";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount("0x...");

const publicClient = createPublicClient({ chain: mainnet, transport: http() });
const walletClient = createWalletClient({ account, chain: mainnet, transport: http() });

// Check balance
const balance = await publicClient.getBalance({ address: account.address });
console.log("Balance:", formatEther(balance), "ETH");

// Estimate gas for a transfer
const gasEstimate = await publicClient.estimateGas({
  account,
  to: "0x...recipient",
  value: parseEther("0.1"),
});
console.log("Estimated gas:", gasEstimate.toString());