@Test
public void testEthGetCode() throws Exception {

    web3j.ethGetCode("0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b",
            DefaultBlockParameterNumber.valueOf(Numeric.toBigInt("0x2"))).send();
    verifyResult("{\"jsonrpc\":\"2.0\",\"method\":\"eth_getCode\","
            + "\"params\":[\"0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b\",\"0x2\"],\"id\":1}");
}