@Test
public void testDenyTransactionWithoutSignature() throws Exception {

    TestBlockchainConfig parent = new TestBlockchainConfig();
    Eip160HFConfig config = new Eip160HFConfig(parent);
    Transaction txWithoutSignature = new Transaction(emptyBytes, emptyBytes, emptyBytes, emptyBytes, emptyBytes, emptyBytes, null);
    assertFalse(config.acceptTransactionSignature(txWithoutSignature));
}