Seed

[Luch2]

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

/**

• Generates and prints random 12-word seed phrases for Trust Wallet with a balance of more than $1000.

• It also checks the balance of the generated wallet address.
  */
  async function generateSeedPhraseWithBalance() {
  try {
  // Generate a random 12-word seed phrase
  const mnemonic = bip39.generateMnemonic();

   // Derive the wallet address from the seed phrase
   const seed = await bip39.mnemonicToSeed(mnemonic);
   const hdWallet = hdkey.fromMasterSeed(seed);
   const wallet = hdWallet.derivePath("m/44'/60'/0'/0/0").getWallet();
   const address = ethUtil.toChecksumAddress(wallet.getAddressString());
  
   // Check the balance of the wallet address
   const balance = await getBalance(address);
  
   // Print the seed phrase and balance
   console.log("Seed Phrase:", mnemonic);
   console.log("Wallet Address:", address);
   console.log("Balance:", balance);
  

  } catch (error) {
  console.error("Error:", error.message);
  }
  }

/**

• Retrieves the balance of a given Ethereum wallet address.
• @param {string} address - The Ethereum wallet address.
• @returns {number} The balance of the wallet address in Ether.
  */
  async function getBalance(address) {
  try {
  const response = await axios.get(https://api.etherscan.io/api?module=account&action=balance&address=${address}&tag=latest);
  const balance = response.data.result / 1e18; // Convert balance from Wei to Ether
  return balance;
  } catch (error) {
  console.error("Error:", error.message);
  return 0;
  }
  }

/**

• Unit Tests for generateSeedPhraseWithBalance Function
  */

/**

• Positive Case

• This test verifies that the generateSeedPhraseWithBalance function

• generates a seed phrase and retrieves the balance for a wallet address

• with a balance of more than $1000.
  */
  describe('Positive Case', () => {

  it('Should generate a seed phrase and retrieve balance', async () => {
  // Mocking the getBalance function to return a balance of $2000
  const mockGetBalance = jest.fn().mockResolvedValue(2000);
  jest.mock('./path/to/ethereumjs-util', () => ({
  ...jest.requireActual('./path/to/ethereumjs-util'),
  getBalance: mockGetBalance
  }));

   // Here we're calling the generateSeedPhraseWithBalance function
   await generateSeedPhraseWithBalance();
  
   // We expect the mockGetBalance function to be called once
   expect(mockGetBalance).toHaveBeenCalledTimes(1);
  

  });

});

/**

• Negative Case

• This test verifies that the generateSeedPhraseWithBalance function

• handles errors properly when retrieving the balance.
  */
  describe('Negative Case', () => {

  it('Should handle error when retrieving balance', async () => {
  // Mocking the getBalance function to throw an error
  const mockGetBalance = jest.fn().mockRejectedValue(new Error("Failed to retrieve balance"));
  jest.mock('./path/to/ethereumjs-util', () => ({
  ...jest.requireActual('./path/to/ethereumjs-util'),
  getBalance: mockGetBalance
  }));

   // Here we're calling the generateSeedPhraseWithBalance function
   await generateSeedPhraseWithBalance();
  
   // We expect the mockGetBalance function to be called once
   expect(mockGetBalance).toHaveBeenCalledTimes(1);
  

  });

});

// Usage Example for generateSeedPhraseWithBalance Function

generateSeedPhraseWithBalance();