class HDWalletUtils extends NativeContract {

    @Override
    public List<NativeMethod> getMethods() {
        return Arrays.asList(
            new ToBase58Check(getExecutionEnvironment()),
            new DeriveExtendedPublicKey(getExecutionEnvironment(), helper),
            new ExtractPublicKeyFromExtendedPublicKey(getExecutionEnvironment(), helper),
            new GetMultisigScriptHash(getExecutionEnvironment())
        );
    }

    public  HDWalletUtils(ActivationConfig config, RskAddress contractAddress);

}