@Test
public void testEthGetLogs() throws Exception {

    web3j.ethGetLogs(new EthFilter().addSingleTopic(
            "0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b"))
            .send();
    verifyResult("{\"jsonrpc\":\"2.0\",\"method\":\"eth_getLogs\","
            + "\"params\":[{\"topics\":["
            + "\"0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b\"]}],"
            + "\"id\":1}");
}