@Test
public void testEthNewFilter() throws Exception {

    PlatonFilter ethFilter = new PlatonFilter()
            .addSingleTopic("0x12341234");
    web3j.platonNewFilter(ethFilter).send();
    verifyResult("{\"jsonrpc\":\"2.0\",\"method\":\"platon_newFilter\","
            + "\"params\":[{\"topics\":[\"0x12341234\"]}],\"id\":1}");
}