助记词生成eth钱包

dependencies:
  bip39: ^2.0.0  # 用于助记词生成
  web3dart: ^2.3.5  # 用于以太坊相关操作

import 'package:bip39/bip39.dart' as bip39;
import 'package:web3dart/web3dart.dart';

String generateEthereumAddress(String mnemonic) {
  // 从助记词生成种子
  final seed = bip39.mnemonicToSeedHex(mnemonic);

  // 从种子创建HD钱包
  final hdWallet = HDWallet.fromSeedHex(seed);

  // 获取第一个子私钥（BIP44路径: m/44'/60'/0'/0/0）
  final childPrivateKey = hdWallet.derivePath("m/44'/60'/0'/0/0");

  // 获取对应的公钥
  final ethPrivateKey = EthPrivateKey.fromHex(childPrivateKey.privateKey);

  // 生成以太坊地址
  final ethAddress = ethPrivateKey.address.hex;

  return ethAddress;  // 返回以太坊地址
}

void main() {
  String mnemonic = "abandon amount expire adjust cage candy arch gather drum buyer enemy junior assume";  // 替换为实际助记词
  String ethAddress = generateEthereumAddress(mnemonic);
  print("生成的以太坊地址: $ethAddress");
}