コード例 #1
0
        internal void GenerateTestTransactions()
        {
            var physicianKeys    = EncryptionHandler.GenerateNewKeys();
            var tempTransactions = new TransactionGenerator(physicianKeys.PrivateKey);

            var physicianRegistration = tempTransactions.InitializeAsNewPhysician(physicianKeys.PublicKey, "Austria", "Vienna", "Der Herbert");
            var physicianVoting       = transactionGenerator.GenerateVotingTransaction(physicianRegistration.TransactionId, true);

            var patientRegistration = tempTransactions.GeneratePatientRegistrationTransaction("Austria", "Vienna", "1992");
            var treatment           = tempTransactions.GenerateTreatmentTransaction(physicianRegistration.TransactionId, patientRegistration.TransactionId);
            var symptom             = tempTransactions.GenerateSymptomTransaction(treatment.TransactionId, new List <string>()
            {
                "R05", "R50.80"
            });
            var diagnoses = tempTransactions.GenerateDiagnosesTransaction(treatment.TransactionId, new List <string>()
            {
                "B34.2"
            });

            node.OnReceiveTransaction(physicianRegistration);
            node.OnReceiveTransaction(physicianVoting);
            Thread.Sleep(4000);
            node.OnReceiveTransaction(patientRegistration);
            node.OnReceiveTransaction(treatment);
            Thread.Sleep(1000);
            node.OnReceiveTransaction(symptom);
            node.OnReceiveTransaction(diagnoses);
        }
コード例 #2
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        internal void SetupNewPublisher(string country, string region, string entityName)
        {
            var keys = EncryptionHandler.GenerateNewKeys();

            transactionGenerator = new TransactionGenerator(keys.PrivateKey);
            ITransaction registration = transactionGenerator.InitializeAsNewPublisher(keys.PublicKey, country, region, entityName);

            node.User = new UserProperties()
            {
                Username = currentUser
                ,
                Keys = keys
                ,
                PublisherAddress = registration.TransactionId
            };

            if (!node.IsChainInitialized())
            {
                ITransaction vote = transactionGenerator.GenerateVotingTransaction(registration.TransactionId, true);
                node.RequestChainInitialization(registration, vote);
            }
            else
            {
                node.OnReveiceTransaction(registration);
            }
        }
コード例 #3
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        public void TransactionGeneration()
        {
            var keys = EncryptionHandler.GenerateNewKeys();
            TransactionGenerator transactionGenerator = new TransactionGenerator(keys.PrivateKey);
            var registration = transactionGenerator.InitializeAsNewPublisher(keys.PublicKey, "Austria", "Vienna", "Master");

            Assert.IsTrue(registration.ValidateTransactionIntegrity(keys.PublicKey));
        }
コード例 #4
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        public void BlockGeneration()
        {
            Block block = new Block();

            block.Index     = 0;
            block.Publisher = Guid.NewGuid();

            var keys = EncryptionHandler.GenerateNewKeys();

            block.Sign(keys.PrivateKey);

            Assert.IsTrue(block.ValidateBlockIntegrity(keys.PublicKey));
        }
コード例 #5
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        public void RegistrateAndVotePhysician()
        {
            #region Set up Publisher
            var keysPublisher = EncryptionHandler.GenerateNewKeys();

            TransactionGenerator transactionGeneratorPublisher = new TransactionGenerator(keysPublisher.PrivateKey);
            var registrationPublisher = transactionGeneratorPublisher.InitializeAsNewPublisher(keysPublisher.PublicKey, "Austria", "Vienna", "Publisher");
            var votePublisher         = transactionGeneratorPublisher.GenerateVotingTransaction(registrationPublisher.TransactionId, true);

            PublisherNode publisher = new PublisherNode();
            publisher.User = new NodeManagement.Entities.UserProperties()
            {
                Keys        = keysPublisher,
                UserAddress = registrationPublisher.TransactionId,
                Username    = "******"
            };

            publisher.InitializeEmptyChain(registrationPublisher, votePublisher);

            Assert.IsTrue(publisher.participantHandler.HasPublisher(registrationPublisher.TransactionId));
            #endregion

            #region Generate registration for physician
            var keysPhysician = EncryptionHandler.GenerateNewKeys();

            TransactionGenerator transactionGeneratorPhyisician = new TransactionGenerator(keysPhysician.PrivateKey);
            var registrationPhysician = transactionGeneratorPhyisician.InitializeAsNewPhysician(keysPhysician.PublicKey, "Austria", "Vienna", "Physician");
            var votePhysician         = transactionGeneratorPublisher.GenerateVotingTransaction(registrationPhysician.TransactionId, true);
            #endregion

            publisher.OnReceiveTransaction(registrationPhysician);

            Assert.IsFalse(publisher.participantHandler.HasPhysician(registrationPhysician.TransactionId));

            publisher.OnReceiveTransaction(votePhysician);

            publisher.BundleOpenTransactionsManually();
            publisher.PublishOpenBlocks(publisher);

            Assert.IsTrue(publisher.participantHandler.HasPhysician(registrationPhysician.TransactionId));
        }
コード例 #6
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        public void AddTransactionToBlock()
        {
            var keys = EncryptionHandler.GenerateNewKeys();

            TransactionGenerator transactionGenerator = new TransactionGenerator(keys.PrivateKey);
            var registration = transactionGenerator.InitializeAsNewPublisher(keys.PublicKey, "Austria", "Vienna", "Master");

            Block block = new Block();

            block.Index     = 0;
            block.Publisher = registration.TransactionId;

            block.AddTransaction(registration);
            Assert.IsTrue(block.TransactionList.Count == 1);

            block.AddTransaction(registration);
            Assert.IsTrue(block.TransactionList.Count == 2);

            block.Sign(keys.PrivateKey);
            Assert.IsTrue(block.ValidateBlockIntegrity(keys.PublicKey));
        }
コード例 #7
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        public void AddBlockToChain()
        {
            var keys = EncryptionHandler.GenerateNewKeys();

            TransactionGenerator transactionGenerator = new TransactionGenerator(keys.PrivateKey);
            var registration = transactionGenerator.InitializeAsNewPublisher(keys.PublicKey, "Austria", "Vienna", "Master");
            var vote         = transactionGenerator.GenerateVotingTransaction(registration.TransactionId, true);

            Block block = new Block();

            block.Index     = 0;
            block.Publisher = registration.TransactionId;

            block.AddTransaction(registration);
            block.AddTransaction(vote);
            block.Sign(keys.PrivateKey);

            Chain chain = new Chain();

            chain.Add(block);

            Assert.IsTrue(chain.ValidateContextual(new ParticipantHandler(), null));
        }
コード例 #8
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        internal void StartAsNewPublisher(string country, string region, string entityName, ServerAddress selfAddress, ServerAddress initializerAddress)
        {
            var keys = EncryptionHandler.GenerateNewKeys();

            transactionGenerator = new TransactionGenerator(keys.PrivateKey);
            ITransaction registration = transactionGenerator.InitializeAsNewPublisher(keys.PublicKey, country, region, entityName);

            node.User = new UserProperties()
            {
                Username = currentUser
                ,
                Keys = keys
                ,
                UserAddress = registration.TransactionId
            };

            serverSettings = selfAddress;
            node.SetSelfAddress(serverSettings);

            Start();

            if (initializerAddress != null)
            {
                RegisterAt(initializerAddress);
                UpdateKnownNodes();
            }

            if (!node.IsChainInitialized())
            {
                ITransaction vote = transactionGenerator.GenerateVotingTransaction(registration.TransactionId, true);
                node.InitializeEmptyChain(registration, vote);
            }
            else
            {
                node.OnReceiveTransaction(registration);
            }
        }
コード例 #9
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        internal void StartAsNewPhysician(string country, string region, string fullname, ServerAddress initializerAddress)
        {
            var keys = EncryptionHandler.GenerateNewKeys();

            transactionGenerator = new TransactionGenerator(keys.PrivateKey);
            ITransaction registration = transactionGenerator.InitializeAsNewPhysician(keys.PublicKey, country, region, fullname);

            node.User = new UserProperties()
            {
                Username = currentUser
                ,
                Keys = keys
                ,
                UserAddress = registration.TransactionId
            };

            Start();

            node.AddServerAddress(initializerAddress);
            UpdateKnownNodes();
            UpdatePendingPhysicians();

            node.SendTransaction(registration);
        }
コード例 #10
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        public void MeasureTransactionProcessing()
        {
            #region Set up Publisher
            var keysPublisher = EncryptionHandler.GenerateNewKeys();

            TransactionGenerator transactionGeneratorPublisher = new TransactionGenerator(keysPublisher.PrivateKey);
            var registrationPublisher = transactionGeneratorPublisher.InitializeAsNewPublisher(keysPublisher.PublicKey, "Austria", "Vienna", "Publisher");
            var votePublisher         = transactionGeneratorPublisher.GenerateVotingTransaction(registrationPublisher.TransactionId, true);

            PublisherNode publisher = new PublisherNode();
            publisher.User = new NodeManagement.Entities.UserProperties()
            {
                Keys        = keysPublisher,
                UserAddress = registrationPublisher.TransactionId,
                Username    = "******"
            };

            publisher.InitializeEmptyChain(registrationPublisher, votePublisher);
            Assert.IsTrue(publisher.participantHandler.HasPublisher(registrationPublisher.TransactionId));
            #endregion

            var referencePhysicianKeys      = EncryptionHandler.GenerateNewKeys();
            var referencePhysicianGenerator = new TransactionGenerator(referencePhysicianKeys.PrivateKey);
            var referencePhysician          = referencePhysicianGenerator.InitializeAsNewPhysician(referencePhysicianKeys.PrivateKey, "Austria", "Vienna", "Physician");
            var referencePhysicianVote      = transactionGeneratorPublisher.GenerateVotingTransaction(referencePhysician.TransactionId, true);

            var referencePatient   = referencePhysicianGenerator.GeneratePatientRegistrationTransaction("Austria", "Vienna", "1990");
            var referenceTreatment = referencePhysicianGenerator.GenerateTreatmentTransaction(referencePhysician.TransactionId, referencePatient.TransactionId);

            publisher.OnReceiveTransaction(referencePhysician);
            publisher.OnReceiveTransaction(referencePhysicianVote);
            publisher.OnReceiveTransaction(referencePatient);
            publisher.OnReceiveTransaction(referenceTreatment);

            publisher.BundleOpenTransactionsManually();
            publisher.PublishOpenBlocks(publisher);

            Assert.AreEqual(1, publisher.GetChain().Blockhead.Index);

            Random random = new Random();

            for (int i = 0; i < 50000; i++)
            {
                int choice = random.Next(1, 6);

                switch (choice)
                {
                case 1:
                    var keysNewPhysician = EncryptionHandler.GenerateNewKeys();

                    TransactionGenerator transactionGeneratorNewPhysician = new TransactionGenerator(keysNewPhysician.PrivateKey);
                    var transaction = transactionGeneratorNewPhysician.InitializeAsNewPhysician(keysNewPhysician.PublicKey, "Austria", "Vienna", "Physician");

                    Stopwatch stopwatch = new Stopwatch();
                    stopwatch.Start();
                    publisher.OnReceiveTransaction(transaction);
                    stopwatch.Stop();

                    string log = "PHYSICIAN\t"
                                 + (i % maxBlockSize)
                                 + "\t" + maxBlockSize
                                 + "\t" + publisher.GetChain().Blockhead.Index
                                 + "\t" + publisher.GetChain().GetTransactions().Count
                                 + "\t" + stopwatch.ElapsedMilliseconds
                                 + "\t" + GetRAMUsage()
                                 + "\n";
                    FileHandler.Append("D:\\DiagnosticChain\\DiagnosticChain\\TransactionLog.txt", log);
                    break;

                case 2:
                    transaction = referencePhysicianGenerator.GeneratePatientRegistrationTransaction("Austria", "Vienna", "Patient");

                    stopwatch = new Stopwatch();
                    stopwatch.Start();
                    publisher.OnReceiveTransaction(transaction);
                    stopwatch.Stop();

                    log = "PATIENT\t"
                          + (i % maxBlockSize)
                          + "\t" + maxBlockSize
                          + "\t" + publisher.GetChain().Blockhead.Index
                          + "\t" + publisher.GetChain().GetTransactions().Count
                          + "\t" + stopwatch.ElapsedMilliseconds
                          + "\t" + GetRAMUsage()
                          + "\n";
                    FileHandler.Append("D:\\DiagnosticChain\\DiagnosticChain\\TransactionLog.txt", log);
                    break;

                case 3:
                    var patients = (from x in publisher.GetChain().GetTransactions()
                                    where x.GetType() == typeof(PatientRegistrationTransaction)
                                    select x.TransactionId).ToList();
                    var p = patients.Count() > 1 ? patients[random.Next(1, patients.Count()) - 1] : referencePatient.TransactionId;
                    transaction = referencePhysicianGenerator.GenerateTreatmentTransaction(referencePhysician.TransactionId, p);

                    stopwatch = new Stopwatch();
                    stopwatch.Start();
                    publisher.OnReceiveTransaction(transaction);
                    stopwatch.Stop();

                    log = "TREATMENT\t"
                          + (i % maxBlockSize)
                          + "\t" + maxBlockSize
                          + "\t" + publisher.GetChain().Blockhead.Index
                          + "\t" + publisher.GetChain().GetTransactions().Count
                          + "\t" + stopwatch.ElapsedMilliseconds
                          + "\t" + GetRAMUsage()
                          + "\n";
                    FileHandler.Append("D:\\DiagnosticChain\\DiagnosticChain\\TransactionLog.txt", log);
                    break;

                case 4:
                    var treatments = (from x in publisher.GetChain().GetTransactions()
                                      where x.GetType() == typeof(TreatmentTransaction)
                                      select x.TransactionId).ToList();
                    var t = treatments.Count() > 1 ? treatments[random.Next(1, treatments.Count()) - 1] : referenceTreatment.TransactionId;
                    transaction = referencePhysicianGenerator.GenerateSymptomTransaction(t, new List <string>()
                    {
                        "Symptom"
                    });

                    stopwatch = new Stopwatch();
                    stopwatch.Start();
                    publisher.OnReceiveTransaction(transaction);
                    stopwatch.Stop();

                    log = "SYMPTOM\t"
                          + (i % maxBlockSize)
                          + "\t" + maxBlockSize
                          + "\t" + publisher.GetChain().Blockhead.Index
                          + "\t" + publisher.GetChain().GetTransactions().Count
                          + "\t" + stopwatch.ElapsedMilliseconds
                          + "\t" + GetRAMUsage()
                          + "\n";
                    FileHandler.Append("D:\\DiagnosticChain\\DiagnosticChain\\TransactionLog.txt", log);
                    break;

                case 5:
                    transaction = transactionGeneratorPublisher.GenerateVotingTransaction(referencePhysician.TransactionId, true);

                    stopwatch = new Stopwatch();
                    stopwatch.Start();
                    publisher.OnReceiveTransaction(transaction);
                    stopwatch.Stop();

                    log = "VOTING\t"
                          + (i % maxBlockSize)
                          + "\t" + maxBlockSize
                          + "\t" + publisher.GetChain().Blockhead.Index
                          + "\t" + publisher.GetChain().GetTransactions().Count
                          + "\t" + stopwatch.ElapsedMilliseconds
                          + "\t" + GetRAMUsage()
                          + "\n";
                    FileHandler.Append("D:\\DiagnosticChain\\DiagnosticChain\\TransactionLog.txt", log);
                    break;

                default:
                    break;
                }

                publisher.participantHandler.EvaluateParkedTransactions();

                if (i % maxBlockSize == 0)
                {
                    Stopwatch stopwatch = new Stopwatch();
                    stopwatch.Start();
                    publisher.BundleOpenTransactionsManually();
                    publisher.PublishOpenBlocks(publisher);
                    stopwatch.Stop();

                    string log = "BLOCK\t"
                                 + (i % maxBlockSize)
                                 + "\t" + maxBlockSize
                                 + "\t" + publisher.GetChain().Blockhead.Index
                                 + "\t" + publisher.GetChain().GetTransactions().Count
                                 + "\t" + stopwatch.ElapsedMilliseconds
                                 + "\n";
                    FileHandler.Append("D:\\DiagnosticChain\\DiagnosticChain\\BlockLog.txt", log);

                    stopwatch = new Stopwatch();
                    stopwatch.Start();
                    publisher.ValidateChain();
                    stopwatch.Stop();

                    log = "VALIDATION\t"
                          + (i % maxBlockSize)
                          + "\t" + maxBlockSize
                          + "\t" + publisher.GetChain().Blockhead.Index
                          + "\t" + publisher.GetChain().GetTransactions().Count
                          + "\t" + stopwatch.ElapsedMilliseconds
                          + "\n";
                    FileHandler.Append("D:\\DiagnosticChain\\DiagnosticChain\\ValidationLog.txt", log);

                    QueryNode query = new QueryNode();
                    query.UpdateChain(publisher.GetChain());

                    stopwatch = new Stopwatch();
                    stopwatch.Start();
                    query.ExtractData((PatientRegistrationTransaction p) => true,
                                      (TreatmentTransaction t) => true,
                                      (SymptomsTransaction s) => true,
                                      (DiagnosesTransaction d) => true);
                    stopwatch.Stop();

                    log = "QUERY\t"
                          + (i % maxBlockSize)
                          + "\t" + maxBlockSize
                          + "\t" + publisher.GetChain().Blockhead.Index
                          + "\t" + publisher.GetChain().GetTransactions().Count
                          + "\t" + stopwatch.ElapsedMilliseconds
                          + "\n";
                    FileHandler.Append("D:\\DiagnosticChain\\DiagnosticChain\\QueryLog.txt", log);
                }
            }
        }
コード例 #11
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        public void ProcessPatientData()
        {
            #region Set up Publisher
            var keysPublisher = EncryptionHandler.GenerateNewKeys();

            TransactionGenerator transactionGeneratorPublisher = new TransactionGenerator(keysPublisher.PrivateKey);
            var registrationPublisher = transactionGeneratorPublisher.InitializeAsNewPublisher(keysPublisher.PublicKey, "Austria", "Vienna", "Publisher");
            var votePublisher         = transactionGeneratorPublisher.GenerateVotingTransaction(registrationPublisher.TransactionId, true);

            PublisherNode publisher = new PublisherNode();
            publisher.User = new NodeManagement.Entities.UserProperties()
            {
                Keys        = keysPublisher,
                UserAddress = registrationPublisher.TransactionId,
                Username    = "******"
            };

            publisher.InitializeEmptyChain(registrationPublisher, votePublisher);
            Assert.IsTrue(publisher.participantHandler.HasPublisher(registrationPublisher.TransactionId));
            #endregion

            #region Register physician
            var keysPhysician = EncryptionHandler.GenerateNewKeys();

            TransactionGenerator transactionGeneratorPhyisician = new TransactionGenerator(keysPhysician.PrivateKey);
            var registrationPhysician = transactionGeneratorPhyisician.InitializeAsNewPhysician(keysPhysician.PublicKey, "Austria", "Vienna", "Physician");
            var votePhysician         = transactionGeneratorPublisher.GenerateVotingTransaction(registrationPhysician.TransactionId, true);

            publisher.OnReceiveTransaction(registrationPhysician);
            publisher.OnReceiveTransaction(votePhysician);

            publisher.BundleOpenTransactionsManually();
            publisher.PublishOpenBlocks(publisher);

            Assert.IsTrue(publisher.participantHandler.HasPhysician(registrationPhysician.TransactionId));
            #endregion

            var patientA = transactionGeneratorPhyisician.GeneratePatientRegistrationTransaction("Austria", "Vienna", "1990");

            publisher.OnReceiveTransaction(patientA);

            Assert.IsTrue(publisher.participantHandler.parkedPatients.Contains(patientA));
            Assert.IsFalse(publisher.participantHandler.HasPatient(patientA.TransactionId));

            publisher.BundleOpenTransactionsManually();
            publisher.PublishOpenBlocks(publisher);

            Assert.IsTrue(publisher.participantHandler.parkedPatients.Contains(patientA));
            Assert.IsFalse(publisher.participantHandler.HasPatient(patientA.TransactionId));

            for (int i = 0; i < 2; i++)
            {
                publisher.OnReceiveTransaction(
                    transactionGeneratorPhyisician.GeneratePatientRegistrationTransaction("Austria", "Vienna", "1990")
                    );
            }

            Assert.IsTrue(publisher.participantHandler.parkedPatients.Contains(patientA));
            Assert.IsFalse(publisher.participantHandler.HasPatient(patientA.TransactionId));

            publisher.EvaluateParkedTransactions();
            publisher.BundleOpenTransactionsManually();
            publisher.PublishOpenBlocks(publisher);

            Assert.IsFalse(publisher.participantHandler.parkedPatients.Contains(patientA));
            Assert.IsTrue(publisher.participantHandler.HasPatient(patientA.TransactionId));
        }
コード例 #12
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        public void ConsolidateChains()
        {
            #region Set up Publisher A
            var keysA = EncryptionHandler.GenerateNewKeys();

            TransactionGenerator transactionGeneratorA = new TransactionGenerator(keysA.PrivateKey);
            var registrationA = transactionGeneratorA.InitializeAsNewPublisher(keysA.PublicKey, "Austria", "Vienna", "PublisherA");
            var voteA         = transactionGeneratorA.GenerateVotingTransaction(registrationA.TransactionId, true);

            PublisherNode publisherA = new PublisherNode();
            publisherA.User = new NodeManagement.Entities.UserProperties()
            {
                Keys        = keysA,
                UserAddress = registrationA.TransactionId,
                Username    = "******"
            };

            publisherA.InitializeEmptyChain(registrationA, voteA);
            #endregion

            #region Set up Publisher B
            var keysB = EncryptionHandler.GenerateNewKeys();

            TransactionGenerator transactionGeneratorB = new TransactionGenerator(keysB.PrivateKey);
            var registrationB = transactionGeneratorB.InitializeAsNewPublisher(keysB.PublicKey, "Austria", "Vienna", "PublisherB");

            PublisherNode publisherB = new PublisherNode();
            publisherB.User = new NodeManagement.Entities.UserProperties()
            {
                Keys        = keysB,
                UserAddress = registrationB.TransactionId,
                Username    = "******"
            };

            publisherB.OnReceiveChain(publisherA.GetChain());

            publisherB.OnReceiveTransaction(registrationB);
            publisherB.BundleOpenTransactionsManually();
            publisherB.PublishOpenBlocks(publisherB);
            #endregion

            #region Authorize Publisher B
            publisherA.OnReceiveChain(publisherB.GetChainDelta(0));

            Assert.AreEqual(publisherA.GetChain().AsXML(), publisherB.GetChain().AsXML());

            var voteB = transactionGeneratorA.GenerateVotingTransaction(registrationB.TransactionId, true);
            publisherA.OnReceiveTransaction(voteB);
            publisherA.BundleOpenTransactionsManually();
            publisherA.PublishOpenBlocks(publisherA);
            publisherB.OnReceiveChain(publisherA.GetChainDelta(1));

            Assert.AreEqual(publisherA.GetChain().AsXML(), publisherB.GetChain().AsXML());
            #endregion

            var transactionA = transactionGeneratorA.GenerateVotingTransaction(registrationB.TransactionId, true);
            var transactionB = transactionGeneratorB.GenerateVotingTransaction(registrationA.TransactionId, true);
            var transactionC = transactionGeneratorB.GenerateVotingTransaction(registrationA.TransactionId, true);

            #region Send transactions to publishers
            publisherA.OnReceiveTransaction(transactionA);
            publisherA.BundleOpenTransactionsManually();
            publisherA.PublishOpenBlocks(publisherA);

            publisherB.OnReceiveTransaction(transactionB);
            publisherB.BundleOpenTransactionsManually();
            publisherB.PublishOpenBlocks(publisherB);

            publisherB.OnReceiveTransaction(transactionC);
            publisherB.BundleOpenTransactionsManually();
            publisherB.PublishOpenBlocks(publisherB);
            #endregion

            publisherA.OnReceiveChain(publisherB.GetChainDelta(2));

            var hit = from t in publisherA.GetChain().GetTransactions()
                      where t.TransactionId == transactionA.TransactionId
                      select t;
            Assert.AreEqual(hit.Count(), 0);

            publisherA.BundleOpenTransactionsManually();
            publisherA.PublishOpenBlocks(publisherA);

            hit = from t in publisherA.GetChain().GetTransactions()
                  where t.TransactionId == transactionA.TransactionId
                  select t;
            Assert.AreEqual(1, hit.Count());
        }
コード例 #13
0
        public void RegistrateAndVotePublisher()
        {
            #region Set up Publisher A
            var keysA = EncryptionHandler.GenerateNewKeys();

            TransactionGenerator transactionGeneratorA = new TransactionGenerator(keysA.PrivateKey);
            var registrationA = transactionGeneratorA.InitializeAsNewPublisher(keysA.PublicKey, "Austria", "Vienna", "PublisherA");
            var voteA         = transactionGeneratorA.GenerateVotingTransaction(registrationA.TransactionId, true);

            PublisherNode publisherA = new PublisherNode();
            publisherA.User = new NodeManagement.Entities.UserProperties()
            {
                Keys        = keysA,
                UserAddress = registrationA.TransactionId,
                Username    = "******"
            };

            publisherA.InitializeEmptyChain(registrationA, voteA);

            Assert.IsTrue(publisherA.participantHandler.HasPublisher(registrationA.TransactionId));
            #endregion

            #region Set up Publisher B
            var keysB = EncryptionHandler.GenerateNewKeys();

            TransactionGenerator transactionGeneratorB = new TransactionGenerator(keysB.PrivateKey);
            var registrationB = transactionGeneratorB.InitializeAsNewPublisher(keysB.PublicKey, "Austria", "Vienna", "PublisherB");

            PublisherNode publisherB = new PublisherNode();
            publisherB.User = new NodeManagement.Entities.UserProperties()
            {
                Keys        = keysB,
                UserAddress = registrationB.TransactionId,
                Username    = "******"
            };

            publisherB.OnReceiveChain(publisherA.GetChain());

            publisherB.OnReceiveTransaction(registrationB);
            publisherB.BundleOpenTransactionsManually();
            publisherB.PublishOpenBlocks(publisherB);
            #endregion

            Assert.IsFalse(publisherA.participantHandler.HasPublisher(registrationB.TransactionId));
            Assert.IsFalse(publisherB.participantHandler.HasPublisher(registrationB.TransactionId));

            #region Authorize Publisher B
            publisherA.OnReceiveChain(publisherB.GetChainDelta(0));

            Assert.AreEqual(publisherA.GetChain().AsXML(), publisherB.GetChain().AsXML());

            var voteB = transactionGeneratorA.GenerateVotingTransaction(registrationB.TransactionId, true);
            publisherA.OnReceiveTransaction(voteB);
            publisherA.BundleOpenTransactionsManually();
            publisherA.PublishOpenBlocks(publisherA);
            publisherB.OnReceiveChain(publisherA.GetChainDelta(1));

            Assert.AreEqual(publisherA.GetChain().AsXML(), publisherB.GetChain().AsXML());
            #endregion

            Assert.IsTrue(publisherA.participantHandler.HasPublisher(registrationB.TransactionId));
            Assert.IsTrue(publisherB.participantHandler.HasPublisher(registrationB.TransactionId));
        }