# generate_wallet.py
from eth_account import Account

def generate_evm_wallet(num_words: int = 12, passphrase: str = ""):
    # HD 钱包能力需要显式开启（官方注明：实验性/未审计，未来可能变更）
    Account.enable_unaudited_hdwallet_features()

    acct, mnemonic = Account.create_with_mnemonic(
        passphrase=passphrase,
        num_words=num_words,              # 12/15/18/21/24
        account_path="m/44'/60'/0'/0/0",  # EVM 常用路径
    )
    return mnemonic, acct.address, acct.key.hex()

if __name__ == "__main__":
    mnemonic, address, privkey = generate_evm_wallet(num_words=12)
    print("mnemonic :", mnemonic)
    print("address  :", address)
    print("privkey  :", privkey)