Exemple #1
0
 private static void Blockchain_PersistCompleted(Blockchain.PersistCompleted e)
 {
     if (e.Block.Transactions.NotEmpty())
     {
         foreach (var blockTransaction in e.Block.Transactions)
         {
             RemoveUnconfirmedTransactions(blockTransaction.Hash);
         }
     }
 }
Exemple #2
0
 private void Blockchain_PersistCompleted(Blockchain.PersistCompleted e)
 {
     if (InvokeRequired)
     {
         BeginInvoke(new Action <Blockchain.PersistCompleted>(Blockchain_PersistCompleted), e);
     }
     else
     {
         CalculateBonusUnavailable(e.Block.Index + 1);
     }
 }
Exemple #3
0
 private void Blockchain_PersistCompleted(Blockchain.PersistCompleted e)
 {
     if (IsDisposed)
     {
         return;
     }
     persistence_time = DateTime.UtcNow;
     if (Service.CurrentWallet != null)
     {
         check_nep5_balance = true;
     }
     BeginInvoke(new Action(RefreshConfirmations));
 }
Exemple #4
0
        private void Blockchain_PersistCompleted(Blockchain.PersistCompleted e)
        {
            if (IsDisposed)
            {
                return;
            }

            persistence_time = DateTime.UtcNow;
            if (Program.CurrentWallet != null)
            {
                if (Program.CurrentWallet.GetCoins().Any(p => !p.State.HasFlag(CoinState.Spent) && p.Output.AssetId.Equals(Blockchain.GoverningToken.Hash)) == true)
                {
                    balance_changed = true;
                }
            }

            BeginInvoke(new Action(RefreshConfirmations));
        }
Exemple #5
0
        public void ConsensusService_SingleNodeActors_OnStart_PrepReq_PrepResponses_Commits()
        {
            var mockWallet = new Mock <Wallet>();

            mockWallet.Setup(p => p.GetAccount(It.IsAny <UInt160>())).Returns <UInt160>(p => new TestWalletAccount(p));
            Console.WriteLine($"\n(UT-Consensus) Wallet is: {mockWallet.Object.GetAccount(UInt160.Zero).GetKey().PublicKey}");

            var mockContext = new Mock <ConsensusContext>(mockWallet.Object, Blockchain.Singleton.Store);

            mockContext.Object.LastSeenMessage = new int[] { 0, 0, 0, 0, 0, 0, 0 };

            var timeValues = new[] {
                new DateTime(1980, 06, 01, 0, 0, 1, 001, DateTimeKind.Utc),  // For tests, used below
                new DateTime(1980, 06, 01, 0, 0, 3, 001, DateTimeKind.Utc),  // For receiving block
                new DateTime(1980, 05, 01, 0, 0, 5, 001, DateTimeKind.Utc),  // For Initialize
                new DateTime(1980, 06, 01, 0, 0, 15, 001, DateTimeKind.Utc), // unused
            };

            for (int i = 0; i < timeValues.Length; i++)
            {
                Console.WriteLine($"time {i}: {timeValues[i].ToString()} ");
            }
            ulong defaultTimestamp = 328665601001;   // GMT: Sunday, June 1, 1980 12:00:01.001 AM
                                                     // check basic ConsensusContext
                                                     // mockConsensusContext.Object.block_received_time.ToTimestamp().Should().Be(4244941697); //1968-06-01 00:00:01
                                                     // ============================================================================
                                                     //                      creating ConsensusService actor
                                                     // ============================================================================

            int timeIndex = 0;
            var timeMock  = new Mock <TimeProvider>();

            timeMock.SetupGet(tp => tp.UtcNow).Returns(() => timeValues[timeIndex]);
            //.Callback(() => timeIndex = timeIndex + 1); //Comment while index is not fixed

            TimeProvider.Current = timeMock.Object;
            TimeProvider.Current.UtcNow.ToTimestampMS().Should().Be(defaultTimestamp); //1980-06-01 00:00:15:001

            //public void Log(string message, LogLevel level)
            //create ILogPlugin for Tests

            /*
             * mockConsensusContext.Setup(mr => mr.Log(It.IsAny<string>(), It.IsAny<LogLevel>()))
             *           .Callback((string message, LogLevel level) => {
             *                           Console.WriteLine($"CONSENSUS LOG: {message}");
             *                                                     }
             *                    );
             */

            // Creating a test block
            Header header = new Header();

            TestUtils.SetupHeaderWithValues(header, UInt256.Zero, out UInt256 merkRootVal, out UInt160 val160, out ulong timestampVal, out uint indexVal, out Witness scriptVal);
            header.Size.Should().Be(105);
            Console.WriteLine($"header {header} hash {header.Hash} {header.PrevHash} timestamp {timestampVal}");
            timestampVal.Should().Be(defaultTimestamp);
            TestProbe subscriber = CreateTestProbe();
            TestActorRef <ConsensusService> actorConsensus = ActorOfAsTestActorRef <ConsensusService>(
                Akka.Actor.Props.Create(() => (ConsensusService)Activator.CreateInstance(typeof(ConsensusService), BindingFlags.Instance | BindingFlags.NonPublic, null, new object[] { subscriber, subscriber, mockContext.Object }, null))
                );

            var testPersistCompleted = new Blockchain.PersistCompleted
            {
                Block = new Block
                {
                    Version       = header.Version,
                    PrevHash      = header.PrevHash,
                    MerkleRoot    = header.MerkleRoot,
                    Timestamp     = header.Timestamp,
                    Index         = header.Index,
                    NextConsensus = header.NextConsensus,
                    Transactions  = new Transaction[0]
                }
            };

            Console.WriteLine("\n==========================");
            Console.WriteLine("Telling a new block to actor consensus...");
            Console.WriteLine("will trigger OnPersistCompleted without OnStart flag!");
            // OnPersist will not launch timer, we need OnStart
            actorConsensus.Tell(testPersistCompleted);
            Console.WriteLine("\n==========================");

            Console.WriteLine("\n==========================");
            Console.WriteLine("will start consensus!");
            actorConsensus.Tell(new ConsensusService.Start
            {
                IgnoreRecoveryLogs = true
            });

            Console.WriteLine("Waiting for subscriber recovery message...");
            // The next line force a waits, then, subscriber keeps running its thread
            // In the next case it waits for a Msg of type LocalNode.SendDirectly
            // As we may expect, as soon as consensus start it sends a RecoveryRequest of this aforementioned type
            var askingForInitialRecovery = subscriber.ExpectMsg <LocalNode.SendDirectly>();

            Console.WriteLine($"Recovery Message I: {askingForInitialRecovery}");
            // Ensuring cast of type ConsensusPayload from the received message from subscriber
            ConsensusPayload initialRecoveryPayload = (ConsensusPayload)askingForInitialRecovery.Inventory;
            // Ensuring casting of type RecoveryRequest
            RecoveryRequest rrm = (RecoveryRequest)initialRecoveryPayload.ConsensusMessage;

            rrm.Timestamp.Should().Be(defaultTimestamp);

            Console.WriteLine("Waiting for backupChange View... ");
            var        backupOnAskingChangeView = subscriber.ExpectMsg <LocalNode.SendDirectly>();
            var        changeViewPayload        = (ConsensusPayload)backupOnAskingChangeView.Inventory;
            ChangeView cvm = (ChangeView)changeViewPayload.ConsensusMessage;

            cvm.Timestamp.Should().Be(defaultTimestamp);
            cvm.ViewNumber.Should().Be(0);
            cvm.Reason.Should().Be(ChangeViewReason.Timeout);

            Console.WriteLine("\n==========================");
            Console.WriteLine("will trigger OnPersistCompleted again with OnStart flag!");
            actorConsensus.Tell(testPersistCompleted);
            Console.WriteLine("\n==========================");

            // Disabling flag ViewChanging by reverting cache of changeview that was sent
            mockContext.Object.ChangeViewPayloads[mockContext.Object.MyIndex] = null;
            Console.WriteLine("Forcing Failed nodes for recovery request... ");
            mockContext.Object.CountFailed.Should().Be(0);
            mockContext.Object.LastSeenMessage = new int[] { -1, -1, -1, -1, -1, -1, -1 };
            mockContext.Object.CountFailed.Should().Be(7);
            Console.WriteLine("\nWaiting for recovery due to failed nodes... ");
            var backupOnRecoveryDueToFailedNodes = subscriber.ExpectMsg <LocalNode.SendDirectly>();
            var recoveryPayload = (ConsensusPayload)backupOnRecoveryDueToFailedNodes.Inventory;

            rrm = (RecoveryRequest)recoveryPayload.ConsensusMessage;
            rrm.Timestamp.Should().Be(defaultTimestamp);

            Console.WriteLine("will tell PrepRequest!");
            mockContext.Object.PrevHeader.Timestamp = defaultTimestamp;
            mockContext.Object.PrevHeader.NextConsensus.Should().Be(UInt160.Parse("0xbdbe3ca30e9d74df12ce57ebc95a302dfaa0828c"));
            var prepReq  = mockContext.Object.MakePrepareRequest();
            var ppToSend = (PrepareRequest)prepReq.ConsensusMessage;

            // Forcing hashes to 0 because mempool is currently shared
            ppToSend.TransactionHashes = new UInt256[0];
            ppToSend.TransactionHashes.Length.Should().Be(0);

            actorConsensus.Tell(prepReq);
            Console.WriteLine("Waiting for something related to the PrepRequest...\nNothing happens...Recovery will come due to failed nodes");
            var backupOnRecoveryDueToFailedNodesII = subscriber.ExpectMsg <LocalNode.SendDirectly>();
            var recoveryPayloadII = (ConsensusPayload)backupOnRecoveryDueToFailedNodesII.Inventory;

            rrm = (RecoveryRequest)recoveryPayloadII.ConsensusMessage;

            Console.WriteLine("\nFailed because it is not primary and it created the prereq...Time to adjust");
            prepReq.ValidatorIndex = 1; //simulating primary as prepreq creator (signature is skip, no problem)
            // cleaning old try with Self ValidatorIndex
            mockContext.Object.PreparationPayloads[mockContext.Object.MyIndex] = null;
            actorConsensus.Tell(prepReq);
            var             OnPrepResponse      = subscriber.ExpectMsg <LocalNode.SendDirectly>();
            var             prepResponsePayload = (ConsensusPayload)OnPrepResponse.Inventory;
            PrepareResponse prm = (PrepareResponse)prepResponsePayload.ConsensusMessage;

            prm.PreparationHash.Should().Be(prepReq.Hash);

            // Simulating CN 3
            actorConsensus.Tell(GetPayloadAndModifyValidator(prepResponsePayload, 2));

            // Simulating CN 5
            actorConsensus.Tell(GetPayloadAndModifyValidator(prepResponsePayload, 4));

            // Simulating CN 4
            actorConsensus.Tell(GetPayloadAndModifyValidator(prepResponsePayload, 3));

            var    onCommitPayload = subscriber.ExpectMsg <LocalNode.SendDirectly>();
            var    commitPayload   = (ConsensusPayload)onCommitPayload.Inventory;
            Commit cm = (Commit)commitPayload.ConsensusMessage;

            // Original Contract
            Contract originalContract = Contract.CreateMultiSigContract(mockContext.Object.M, mockContext.Object.Validators);

            Console.WriteLine($"\nORIGINAL Contract is: {originalContract.ScriptHash}");
            originalContract.ScriptHash.Should().Be(UInt160.Parse("0xbdbe3ca30e9d74df12ce57ebc95a302dfaa0828c"));
            mockContext.Object.Block.NextConsensus.Should().Be(UInt160.Parse("0xbdbe3ca30e9d74df12ce57ebc95a302dfaa0828c"));

            Console.WriteLine($"ORIGINAL BlockHash: {mockContext.Object.Block.Hash}");
            Console.WriteLine($"ORIGINAL Block NextConsensus: {mockContext.Object.Block.NextConsensus}");
            //Console.WriteLine($"VALIDATOR[0] {mockContext.Object.Validators[0]}");
            //Console.WriteLine($"VALIDATOR[0]ScriptHash: {mockWallet.Object.GetAccount(mockContext.Object.Validators[0]).ScriptHash}");

            KeyPair[] kp_array = new KeyPair[7]
            {
                UT_Crypto.generateKey(32),     // not used, kept for index consistency, didactically
                UT_Crypto.generateKey(32),
                UT_Crypto.generateKey(32),
                UT_Crypto.generateKey(32),
                UT_Crypto.generateKey(32),
                UT_Crypto.generateKey(32),
                UT_Crypto.generateKey(32)
            };
            for (int i = 0; i < mockContext.Object.Validators.Length; i++)
            {
                Console.WriteLine($"{mockContext.Object.Validators[i]}");
            }
            mockContext.Object.Validators = new ECPoint[7]
            {
                mockContext.Object.Validators[0],
                kp_array[1].PublicKey,
                kp_array[2].PublicKey,
                kp_array[3].PublicKey,
                kp_array[4].PublicKey,
                kp_array[5].PublicKey,
                kp_array[6].PublicKey
            };
            Console.WriteLine($"Generated keypairs PKey:");
            for (int i = 0; i < mockContext.Object.Validators.Length; i++)
            {
                Console.WriteLine($"{mockContext.Object.Validators[i]}");
            }

            // update Contract with some random validators
            var updatedContract = Contract.CreateMultiSigContract(mockContext.Object.M, mockContext.Object.Validators);

            Console.WriteLine($"\nContract updated: {updatedContract.ScriptHash}");

            // Forcing next consensus
            var originalBlockHashData = mockContext.Object.Block.GetHashData();

            mockContext.Object.Block.NextConsensus        = updatedContract.ScriptHash;
            mockContext.Object.Block.Header.NextConsensus = updatedContract.ScriptHash;
            mockContext.Object.PrevHeader.NextConsensus   = updatedContract.ScriptHash;
            var originalBlockMerkleRoot = mockContext.Object.Block.MerkleRoot;

            Console.WriteLine($"\noriginalBlockMerkleRoot: {originalBlockMerkleRoot}");
            var updatedBlockHashData = mockContext.Object.Block.GetHashData();

            Console.WriteLine($"originalBlockHashData: {originalBlockHashData.ToScriptHash()}");
            Console.WriteLine($"updatedBlockHashData: {updatedBlockHashData.ToScriptHash()}");

            Console.WriteLine("\n\n==========================");
            Console.WriteLine("\nBasic commits Signatures verification");
            // Basic tests for understanding signatures and ensuring signatures of commits are correct on tests
            var cmPayloadTemp = GetCommitPayloadModifiedAndSignedCopy(commitPayload, 1, kp_array[1], updatedBlockHashData);

            Crypto.VerifySignature(originalBlockHashData, cm.Signature, mockContext.Object.Validators[0].EncodePoint(false)).Should().BeFalse();
            Crypto.VerifySignature(updatedBlockHashData, cm.Signature, mockContext.Object.Validators[0].EncodePoint(false)).Should().BeFalse();
            Crypto.VerifySignature(originalBlockHashData, ((Commit)cmPayloadTemp.ConsensusMessage).Signature, mockContext.Object.Validators[1].EncodePoint(false)).Should().BeFalse();
            Crypto.VerifySignature(updatedBlockHashData, ((Commit)cmPayloadTemp.ConsensusMessage).Signature, mockContext.Object.Validators[1].EncodePoint(false)).Should().BeTrue();
            Console.WriteLine("\n==========================");

            Console.WriteLine("\n==========================");
            Console.WriteLine("\nCN2 simulation time");
            actorConsensus.Tell(cmPayloadTemp);

            Console.WriteLine("\nCN3 simulation time");
            actorConsensus.Tell(GetCommitPayloadModifiedAndSignedCopy(commitPayload, 2, kp_array[2], updatedBlockHashData));

            Console.WriteLine("\nCN4 simulation time");
            actorConsensus.Tell(GetCommitPayloadModifiedAndSignedCopy(commitPayload, 3, kp_array[3], updatedBlockHashData));

            // =============================================
            // Testing commit with wrong signature not valid
            // It will be invalid signature because we did not change ECPoint
            Console.WriteLine("\nCN7 simulation time. Wrong signature, KeyPair is not known");
            actorConsensus.Tell(GetPayloadAndModifyValidator(commitPayload, 6));

            Console.WriteLine("\nWaiting for recovery due to failed nodes... ");
            var             backupOnRecoveryMessageAfterCommit = subscriber.ExpectMsg <LocalNode.SendDirectly>();
            var             rmPayload = (ConsensusPayload)backupOnRecoveryMessageAfterCommit.Inventory;
            RecoveryMessage rmm       = (RecoveryMessage)rmPayload.ConsensusMessage;

            // =============================================

            mockContext.Object.CommitPayloads[0] = null;
            Console.WriteLine("\nCN5 simulation time");
            actorConsensus.Tell(GetCommitPayloadModifiedAndSignedCopy(commitPayload, 4, kp_array[4], updatedBlockHashData));


            Console.WriteLine($"\nFocing block PrevHash to UInt256.Zero {mockContext.Object.Block.GetHashData().ToScriptHash()}");
            mockContext.Object.Block.PrevHash = UInt256.Zero;
            // Payload should also be forced, otherwise OnConsensus will not pass
            commitPayload.PrevHash = UInt256.Zero;
            Console.WriteLine($"\nNew Hash is {mockContext.Object.Block.GetHashData().ToScriptHash()}");

            Console.WriteLine($"\nForcing block VerificationScript to {updatedContract.Script.ToScriptHash()}");
            mockContext.Object.Block.Witness = new Witness {
            };
            mockContext.Object.Block.Witness.VerificationScript = updatedContract.Script;
            Console.WriteLine($"\nUpdating BlockBase Witness scripthash  is {mockContext.Object.Block.Witness.ScriptHash}");
            Console.WriteLine($"\nNew Hash is {mockContext.Object.Block.GetHashData().ToScriptHash()}");

            Console.WriteLine("\nCN6 simulation time");
            // Here we used modified mockContext.Object.Block.GetHashData().ToScriptHash() for blockhash
            actorConsensus.Tell(GetCommitPayloadModifiedAndSignedCopy(commitPayload, 5, kp_array[5], mockContext.Object.Block.GetHashData()));

            Console.WriteLine("\nWait for subscriber Local.Node Relay");
            var onBlockRelay = subscriber.ExpectMsg <LocalNode.Relay>();

            Console.WriteLine("\nAsserting time was Block...");
            var utBlock = (Block)onBlockRelay.Inventory;

            Console.WriteLine($"\nAsserting block NextConsensus..{utBlock.NextConsensus}");
            utBlock.NextConsensus.Should().Be(updatedContract.ScriptHash);

            Console.WriteLine("\n==========================");
            // ============================================================================
            //                      finalize ConsensusService actor
            // ============================================================================
            Console.WriteLine("Finalizing consensus service actor and returning states.");
            TimeProvider.ResetToDefault();

            //Sys.Stop(actorConsensus);
        }