index.js

const { ethers } = require("ethers");
const colors = require("colors");
const fs = require("fs");
const readlineSync = require("readline-sync");
const transactionLogger = require("./src/transactionLogger");

const checkBalance = require("./src/checkBalance");
const displayHeader = require("./src/displayHeader");
const sleep = require("./src/sleep");
const { loadChains, selectChain, selectNetworkType } = require("./src/chainUtils");
const { isValidPrivateKey, isValidAddress, validateJsonFile } = require("./src/validation");

const config = require("./src/config");
const { MAX_RETRIES, RETRY_DELAY } = config;

async function retry(fn, maxRetries = MAX_RETRIES, delay = RETRY_DELAY) {
  for (let i = 0; i < maxRetries; i++) {
    try {
      return await fn();
    } catch (error) {
      if (i === maxRetries - 1) throw error;
      console.log(colors.yellow(`⚠️ Error occurred. Retrying... (${i + 1}/${maxRetries})`));
      await sleep(delay);
    }
  }
}

const main = async () => {
  displayHeader();

  const networkType = selectNetworkType();
  const chains = loadChains(networkType);
  const selectedChain = selectChain(chains);

  console.log(colors.green(`✅ You have selected: ${selectedChain.name}`));
  console.log(colors.green(`🛠 RPC URL: ${selectedChain.rpcUrl}`));
  console.log(colors.green(`🔗 Chain ID: ${selectedChain.chainId}`));

  const provider = new ethers.JsonRpcProvider(selectedChain.rpcUrl);

  let privateKeys, recipientAddresses;
  try {
    privateKeys = validateJsonFile("privateKeys.json", isValidPrivateKey);
    console.log(colors.green(`✅ Loaded ${privateKeys.length} valid private keys`));
    
    recipientAddresses = validateJsonFile("addresses.json", isValidAddress);
    console.log(colors.green(`✅ Loaded ${recipientAddresses.length} valid recipient addresses`));
    
    console.log(colors.cyan("\n📋 Available addresses in addresses.json:"));
    recipientAddresses.forEach((address, index) => {
      console.log(colors.white(`${index + 1}. ${address}`));
    });
    console.log();
  } catch (error) {
    console.log(colors.red(`🚨 ${error.message}`));
    process.exit(1);
  }

  const useTargetAddresses = readlineSync.keyInYNStrict(
    "Do you want to use addresses from addresses.json? (If No, random addresses will be generated)"
  );

  const transactionCount = readlineSync.questionInt(
    "Enter the number of transactions you want to send for each address: "
  );

  let recipientAddressesToUse = [];
  if (useTargetAddresses) {
    recipientAddressesToUse = recipientAddresses;
  } else {
    if (transactionCount === 1) {
      const randomWallet = ethers.Wallet.createRandom();
      recipientAddressesToUse.push(randomWallet.address);
      console.log(colors.green(`✅ Generated 1 random address`));
    } else {
      const numRandomAddresses = readlineSync.questionInt(
        "How many random addresses do you want to generate? "
      );
      for (let i = 0; i < numRandomAddresses; i++) {
        const randomWallet = ethers.Wallet.createRandom();
        recipientAddressesToUse.push(randomWallet.address);
      }
      console.log(colors.green(`✅ Generated ${numRandomAddresses} random addresses`));
    }
  }

  for (const privateKey of privateKeys) {
    const wallet = new ethers.Wallet(privateKey, provider);
    const senderAddress = wallet.address;

    console.log(colors.cyan(`💼 Processing transactions for address: ${senderAddress}`));

    let senderBalance;
    try {
      senderBalance = await retry(() => checkBalance(provider, senderAddress));
    } catch (error) {
      console.log(
        colors.red(`❌ Failed to check balance for ${senderAddress}. Skipping to next address.`)
      );
      continue;
    }

    if (senderBalance < ethers.parseUnits("0.0001", "ether")) {
      console.log(colors.red("❌ Insufficient or zero balance. Skipping to next address."));
      continue;
    }

    let continuePrintingBalance = true;
    const printSenderBalance = async () => {
      while (continuePrintingBalance) {
        try {
          senderBalance = await retry(() => checkBalance(provider, senderAddress));
          console.log(
            colors.blue(
              `💰 Current Balance: ${ethers.formatUnits(senderBalance, "ether")} ${
                selectedChain.symbol
              }`
            )
          );
          if (senderBalance < ethers.parseUnits("0.0001", "ether")) {
            console.log(colors.red("❌ Insufficient balance for transactions."));
            continuePrintingBalance = false;
          }
        } catch (error) {
          console.log(colors.red(`❌ Failed to check balance: ${error.message}`));
        }
        await sleep(5000);
      }
    };

    printSenderBalance();

    for (let i = 1; i <= transactionCount; i++) {
      for (const receiverAddress of recipientAddressesToUse) {
        console.log(colors.white(`\n🆕 Sending transaction ${i} to: ${receiverAddress}`));

      const amountToSend = ethers.parseUnits(
        (Math.random() * (0.0000001 - 0.00000001) + 0.00000001).toFixed(10).toString(),
        "ether"
      );

      /* --------------------------- TEMPORARY DISABLED --------------------------- */
      // const gasPrice = ethers.parseUnits(
      //   (Math.random() * (0.0015 - 0.0009) + 0.0009).toFixed(9).toString(),
      //   'gwei'
      // );

      let gasPrice;
      try {
        gasPrice = (await provider.getFeeData()).gasPrice;
      } catch (error) {
        console.log(colors.red("❌ Failed to fetch gas price from the network."));
        continue;
      }

      const transaction = {
        to: receiverAddress,
        value: amountToSend,
        gasLimit: 21000,
        gasPrice: gasPrice,
        chainId: parseInt(selectedChain.chainId),
      };

      let tx;
      try {
        tx = await retry(() => wallet.sendTransaction(transaction));
      } catch (error) {
        console.log(colors.red(`❌ Failed to send transaction: ${error.message}`));
        continue;
      }

      console.log(colors.white(`🔗 Transaction ${i}:`));
      console.log(colors.white(`  Hash: ${colors.green(tx.hash)}`));
      console.log(colors.white(`  From: ${colors.green(senderAddress)}`));
      console.log(colors.white(`  To: ${colors.green(receiverAddress)}`));
      console.log(
        colors.white(
          `  Amount: ${colors.green(ethers.formatUnits(amountToSend, "ether"))} ${
            selectedChain.symbol
          }`
        )
      );
      console.log(
        colors.white(`  Gas Price: ${colors.green(ethers.formatUnits(gasPrice, "gwei"))} Gwei`)
      );

      await sleep(15000);

      let receipt;
      try {
        receipt = await retry(() => provider.getTransactionReceipt(tx.hash));
        if (receipt) {
          if (receipt.status === 1) {
            console.log(colors.green("✅ Transaction Success!"));
            console.log(colors.green(`  Block Number: ${receipt.blockNumber}`));
            console.log(colors.green(`  Gas Used: ${receipt.gasUsed.toString()}`));
            console.log(
              colors.green(`  Transaction hash: ${selectedChain.explorer}/tx/${receipt.hash}`)
            );
            
            await transactionLogger.logTransaction({
              chainId: selectedChain.chainId,
              chainName: selectedChain.name,
              hash: receipt.hash,
              from: senderAddress,
              to: receiverAddress,
              value: ethers.formatUnits(amountToSend, "ether"),
              gasPrice: ethers.formatUnits(gasPrice, "gwei"),
              status: "SUCCESS",
              blockNumber: receipt.blockNumber,
              gasUsed: receipt.gasUsed.toString()
            });
          } else {
            console.log(colors.red("❌ Transaction FAILED"));
            await transactionLogger.logTransaction({
              chainId: selectedChain.chainId,
              chainName: selectedChain.name,
              hash: receipt.hash,
              from: senderAddress,
              to: receiverAddress,
              value: ethers.formatUnits(amountToSend, "ether"),
              gasPrice: ethers.formatUnits(gasPrice, "gwei"),
              status: "FAILED",
              blockNumber: receipt.blockNumber,
              gasUsed: receipt.gasUsed.toString()
            });
          }
        } else {
          console.log(colors.yellow("⏳ Transaction is still pending after multiple retries."));
        }
      } catch (error) {
        console.log(colors.red(`❌ Error checking transaction status: ${error.message}`));
      }

      console.log();
      }
    }

    console.log(colors.green(`✅ Finished transactions for address: ${senderAddress}`));
  }

  console.log(colors.green("All transactions completed."));
  console.log(colors.green("Subscribe: https://t.me/HappyCuanAirdrop."));
  process.exit(0);
};

main().catch((error) => {
  console.error(colors.red("❌ An error occurred:"), error);
  process.exit(1);
});