GiveRightToVote.ts

import { sepolia } from "viem/chains";
import * as dotenv from "dotenv";
import { abi, bytecode } from "../artifacts/contracts/Ballot.sol/Ballot.json";

dotenv.config();

import { createPublicClient, http, createWalletClient, formatEther, toHex, hexToString, Address } from "viem";
import { privateKeyToAccount } from "viem/accounts";

const deployerPrivateKey = process.env.PRIVATE_KEY || "";
const providerApiKey = process.env.ALCHEMY_API_KEY || "";

async function main() {
  // npx ts-node --files ./scripts/GiveRightToVote.ts [contractAddress] [wallet1] [wallet2]...  

  // Receiving parameters - Get contractAddress from args
  const parameters = process.argv.slice(2);
    if (!parameters || parameters.length < 2)
      throw new Error("Parameters not provided");
    const contractAddress = parameters[0] as `0x${string}`;
    if (!contractAddress) throw new Error("Contract address not provided");
    if (!/^0x[a-fA-F0-9]{40}$/.test(contractAddress))
      throw new Error("Invalid contract address");

  // Get the wallet from args
  const wallets = parameters.slice(1);

  // Create public client to connect with sepolia using Alchemy
  const publicClient = createPublicClient({
    chain: sepolia,
    transport: http(`https://eth-sepolia.g.alchemy.com/v2/${providerApiKey}`),
  });

  // Interact with the contract as the chairperson/deployer
  const account = privateKeyToAccount(`0x${deployerPrivateKey}`);
  const deployer = createWalletClient({
    account,
    chain: sepolia,
    transport: http(`https://eth-sepolia.g.alchemy.com/v2/${providerApiKey}`),
  });
  console.log("Deployer address:", deployer.account.address);
  const balance = await publicClient.getBalance({
    address: deployer.account.address,
  });

  // For each wallet address in wallets, give them rights to vote IF the address is correct
  for (const walletAddress of wallets) {
  const wallet_ = walletAddress as `0x${string}`;
    if (!wallet_) return;
    if (!/^0x[a-fA-F0-9]{40}$/.test(walletAddress)) {
      console.log(`\nInvalid wallet address arg: ${wallet_}`);
      return;
  }

  console.log(`\nGiving ${walletAddress} right to vote...`);
  const hash = await deployer.writeContract({
        address: contractAddress,
        abi,
        functionName: "giveRightToVote",
        args: [wallet_],
  });

  console.log("Transaction hash:", hash);
  console.log("Waiting for confirmations...");
  const receipt = await publicClient.waitForTransactionReceipt({ hash });
    
  console.log(`Wallet ${walletAddress} has been given a right to vote`);
  };
}

main().catch((error) => {
  console.error(error);
  process.exitCode = 1;
});