Generate Wallet from Mnemonic

import { Bip39 } from '@tevm/voltaire/Bip39';
import { HDWallet } from '@tevm/voltaire/HDWallet';
import { Secp256k1 } from '@tevm/voltaire/Secp256k1';
import { Address } from '@tevm/voltaire/Address';

// Generate a new 24-word mnemonic (256 bits of entropy)
const mnemonic = Bip39.generateMnemonic(256);
// Or use existing mnemonic
// const mnemonic = "abandon abandon abandon ... about";

// Validate the mnemonic
const isValid = Bip39.validateMnemonic(mnemonic);
if (!isValid) throw new Error("Invalid mnemonic");

// Derive 512-bit seed from mnemonic (optional passphrase)
const seed = await Bip39.mnemonicToSeed(mnemonic);
// With passphrase: await Bip39.mnemonicToSeed(mnemonic, "my secret passphrase");

// Create HD wallet root from seed
const root = HDWallet.fromSeed(seed);

// Derive multiple Ethereum addresses using BIP-44 path
// m/44'/60'/0'/0/x where x is the address index
const addresses = [];
for (let i = 0; i < 5; i++) {
  const hdKey = HDWallet.deriveEthereum(root, 0, i);
  const privateKey = HDWallet.getPrivateKey(hdKey);
  if (!privateKey) continue;

  const publicKey = Secp256k1.derivePublicKey(privateKey);
  const address = Address.fromPublicKey(publicKey);
  addresses.push({
    path: `m/44'/60'/0'/0/${i}`,
    address: Address.toChecksummed(address),
    privateKey,
  });
}

// Alternative: derive with explicit path
const customPath = "m/44'/60'/0'/0/0";
const hdKey = HDWallet.derivePath(root, customPath);
const privateKey = HDWallet.getPrivateKey(hdKey);