public void Vote_duplicated()
        {
            Members_Register();
            var question = blockchain.Trunk.SelectMany(c => c.Questions).First();

            var pendings1 = new BlockItem[]
            {
                new Vote {
                    QuestionId = question.Id, ChoiceId = question.Choices[0].Id
                },
                new Vote {
                    QuestionId = question.Id, ChoiceId = question.Choices[1].Id
                }
            };

            signer.Sign(pendings1[0], alicia);
            signer.Sign(pendings1[1], roberto);

            blockchain.MineNextBlock(pendings1);

            var pendings2 = new BlockItem[]
            {
                new Vote {
                    QuestionId = question.Id, ChoiceId = question.Choices[1].Id
                },                                                                                      // este voto está repetido
                new Vote {
                    QuestionId = question.Id, ChoiceId = question.Choices[0].Id
                }
            };

            signer.Sign(pendings2[0], roberto);
            signer.Sign(pendings2[1], camila);

            blockchain.MineNextBlock(pendings2);

            var query  = new VotesQuery(blockchain);
            var result = query.Execute(question.Id).ToArray();

            Assert.AreEqual(3, result.Length);
        }
        public ObjectResult Get(Guid questionId)
        {
            var query = new VotesQuery(node.Blockchain);

            return(Ok(query.Execute(questionId)));
        }