const bip39 = require('bip39');
const hdkey = require('hdkey');
const ethUtil = require('ethereumjs-util');
const axios = require('axios');
const fs = require('fs');

const alchemyApiKey = 'wmO4yY4else6z9BRPu5thQ22GXhQd0zm'; // Replace with your actual Alchemy API key

// Generate a random 12-word seed phrase
const generateSeedPhrase = () => {
const strength = 128; // Strength in bits (e.g., 128, 160, 256)
const mnemonic = bip39.generateMnemonic(strength);
return mnemonic;
};

// Check if the given address has any funds using Alchemy
const checkBalanceWithAlchemy = async (address) => {
try {
if (!/^0x[0-9a-fA-F]{40}$/.test(address)) {
throw new Error('Invalid Ethereum address format');
}

const alchemyEndpoint = `https://eth-mainnet.g.alchemy.com/v2/${alchemyApiKey}`;
const url = alchemyEndpoint; // Use the base URL without query parameters
const requestData = {
jsonrpc: '2.0',
method: 'eth_getBalance',
params: [address, 'latest'],
id: 1,
};

const response = await axios.post(url, requestData);

if (response.data.result) {
const balance = parseInt(response.data.result) / 1e18; // Convert Wei to ETH
return balance;
} else {
console.log('Response Data:', response.data);
throw new Error(`Invalid balance value. Response: ${JSON.stringify(response.data)}`);
}
} catch (error) {
console.log('Error occurred while checking balance:', error);
return 0;
}
};

// Find a seed phrase with a specified minimum balance
const findSeedPhraseWithBalance = async (minBalance) => {
let state = { seedIndex: 0, usedSeedPhrases: [] };
if (fs.existsSync('state.json')) {
const savedState = fs.readFileSync('state.json');
state = JSON.parse(savedState);
}

while (true) {
const seedPhrase = generateSeedPhrase();
console.log('Seed Phrase:', seedPhrase);

if (state.usedSeedPhrases.includes(seedPhrase)) {
console.log('Seed phrase already used. Skipping...');
continue; // Skip this iteration if the seed phrase is already used
}

const seedBuffer = bip39.mnemonicToSeedSync(seedPhrase);
const root = hdkey.fromMasterSeed(seedBuffer);
const path = "m/44'/60'/0'/0/0"; // Specify the derivation path for ETH
const child = root.derive(path);
const publicKey = child.publicKey;

const address = getAddressFromPublicKey(publicKey);

console.log('Address:', address);

const balance = await checkBalanceWithAlchemy(address);
console.log('Balance:', balance, 'ETH');

if (balance >= minBalance) {
console.log('Seed phrase found with the minimum balance!');
return seedPhrase;
}

state.usedSeedPhrases.push(seedPhrase);
state.seedIndex++;
fs.writeFileSync('state.json', JSON.stringify(state));
}
};

// Convert public key to ETH address
const getAddressFromPublicKey = (publicKey) => {
const addressBuffer = ethUtil.pubToAddress(publicKey, true);
const address = ethUtil.toChecksumAddress(ethUtil.bufferToHex(addressBuffer));
return address;
};

// Usage example - specify the minimum balance in ETH
const minBalance = 0.001; // Minimum balance required
findSeedPhraseWithBalance(minBalance)
.then(seedPhrase => {
console.log('Seed phrase with the minimum balance:', seedPhrase);
})
.catch(error => {
console.log('Error occurred:', error);
});

const bip39 = require('bip39');
const hdkey = require('hdkey');
const ethUtil = require('ethereumjs-util');
const axios = require('axios');
const fs = require('fs');

const alchemyApiKey = 'OY7pnUJTack1NbzSxKZPdE0Rgv6IeAAW'; // Replace with your actual Alchemy API key

// Generate a random 12-word seed phrase
const generateSeedPhrase = () => {
const strength = 128; // Strength in bits (e.g., 128, 160, 256)
const mnemonic = bip39.generateMnemonic(strength);
return mnemonic;
};

// Check if the given address has any funds using Alchemy
const checkBalanceWithAlchemy = async (address) => {
try {
if (!/^0x[0-9a-fA-F]{40}$/.test(address)) {
throw new Error('Invalid Ethereum address format');
}

const alchemyEndpoint = `https://eth-mainnet.g.alchemy.com/v2/${alchemyApiKey}`;
const url = alchemyEndpoint; // Use the base URL without query parameters
const requestData = {
jsonrpc: '2.0',
method: 'eth_getBalance',
params: [address, 'latest'],
id: 1,
};

const response = await axios.post(url, requestData);

if (response.data.result) {
const balance = parseInt(response.data.result) / 1e18; // Convert Wei to ETH
return balance;
} else {
console.log('Response Data:', response.data);
throw new Error(`Invalid balance value. Response: ${JSON.stringify(response.data)}`);
}
} catch (error) {
console.log('Error occurred while checking balance:', error);
return 0;
}
};

// Find a seed phrase with a specified minimum balance
const findSeedPhraseWithBalance = async (minBalance) => {
let state = { seedIndex: 0, usedSeedPhrases: [] };
if (fs.existsSync('state.json')) {
const savedState = fs.readFileSync('state.json');
state = JSON.parse(savedState);
}

while (true) {
const seedPhrase = generateSeedPhrase();
console.log('Seed Phrase:', seedPhrase);

let state = { seedIndex: 0, usedSeedPhrases: [] };
if (fs.existsSync('state.json')) {
const savedState = fs.readFileSync('state.json');
state = JSON.parse(savedState);
if (!state.usedSeedPhrases) {
state.usedSeedPhrases = []; // Initialize usedSeedPhrases if it's undefined
  }
}

const seedBuffer = bip39.mnemonicToSeedSync(seedPhrase);
const root = hdkey.fromMasterSeed(seedBuffer);
const path = "m/44'/60'/0'/0/0"; // Specify the derivation path for ETH
const child = root.derive(path);
const publicKey = child.publicKey;

const address = getAddressFromPublicKey(publicKey);

console.log('Address:', address);

const balance = await checkBalanceWithAlchemy(address);
console.log('Balance:', balance, 'ETH');

if (balance >= minBalance) {
console.log('Seed phrase found with the minimum balance!');
return seedPhrase;
}

state.usedSeedPhrases.push(seedPhrase);
state.seedIndex++;
fs.writeFileSync('state.json', JSON.stringify(state));
}
};

// Convert public key to ETH address
const getAddressFromPublicKey = (publicKey) => {
const addressBuffer = ethUtil.pubToAddress(publicKey, true);
const address = ethUtil.toChecksumAddress(ethUtil.bufferToHex(addressBuffer));
return address;
};

// Usage example - specify the minimum balance in ETH
const minBalance = 0.001; // Minimum balance required
findSeedPhraseWithBalance(minBalance)
.then(seedPhrase => {
console.log('Seed phrase with the minimum balance:', seedPhrase);
})
.catch(error => {
console.log('Error occurred:', error);
});

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