@Test
public void testEthCall() throws Exception {

    web3j.ethCall(Transaction.createEthCallTransaction(
            "0xa70e8dd61c5d32be8058bb8eb970870f07233155",
            "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
                    "0x0"),
            DefaultBlockParameterName.fromString("latest")).send();
    verifyResult("{\"jsonrpc\":\"2.0\",\"method\":\"eth_call\","
            + "\"params\":[{\"from\":\"0xa70e8dd61c5d32be8058bb8eb970870f07233155\","
            + "\"to\":\"0xb60e8dd61c5d32be8058bb8eb970870f07233155\",\"data\":\"0x0\"},"
            + "\"latest\"],\"id\":1}");
}