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);
}
}
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));
}
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));
}
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));
}
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));
}
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);
}
}
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);
}
}
}
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));
}
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());
}
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));
}