@Test
public void testEthGetBlockByNumber() throws Exception {

    web3j.platonGetBlockByNumber(
            DefaultBlockParameterNumber.valueOf(Numeric.toBigInt("0x1b4")), true).send();
    verifyResult("{\"jsonrpc\":\"2.0\",\"method\":\"platon_getBlockByNumber\","
            + "\"params\":[\"0x1b4\",true],\"id\":1}");
}