source: class RequestTest  {
  
      private Web3j web3j;
  
      @Test
      public void testEthGetBalance() throws Exception {
  
target:         web3j.platonGetBalance("0x407d73d8a49eeb85d32cf465507dd71d507100c1",
                  DefaultBlockParameterName.LATEST).send();
  
          verifyResult(
                  "{\"jsonrpc\":\"2.0\",\"method\":\"platon_getBalance\","
                          + "\"params\":[\"0x407d73d8a49eeb85d32cf465507dd71d507100c1\",\"latest\"],"
                          + "\"id\":1}");
      }
  
  }