public async Task PostTransaction_ValidationException() { TransactionValidator validator = new TransactionValidator( new TestStore(defaultAccounts, false), new TestValidator(true), validNamespace); ByteString mutation = CreateMutation(validNamespace); TransactionInvalidException exception = await Assert.ThrowsAsync<TransactionInvalidException>( () => validator.PostTransaction(mutation, new SignatureEvidence[0])); Assert.Equal("Test", exception.Reason); }
public async Task Can_process_mined_blocks() { int timeMultiplier = 1; // for debugging TimeSpan miningDelay = TimeSpan.FromMilliseconds(50 * timeMultiplier); /* logging & instrumentation */ // OneLoggerLogManager logger = new OneLoggerLogManager(new SimpleConsoleLogger(true)); ILogManager logManager = NullLogManager.Instance; ILogger logger = logManager.GetClassLogger(); /* spec */ FakeSealer sealer = new FakeSealer(miningDelay); RopstenSpecProvider specProvider = RopstenSpecProvider.Instance; /* store & validation */ EthereumEcdsa ethereumEcdsa = new EthereumEcdsa(specProvider, logManager); MemDb receiptsDb = new MemDb(); MemDb traceDb = new MemDb(); TransactionPool transactionPool = new TransactionPool(new NullTransactionStorage(), new PendingTransactionThresholdValidator(), new Timestamp(), ethereumEcdsa, specProvider, logManager); IReceiptStorage receiptStorage = new PersistentReceiptStorage(receiptsDb, specProvider); BlockTree blockTree = new BlockTree(new MemDb(), new MemDb(), specProvider, transactionPool, logManager); Timestamp timestamp = new Timestamp(); DifficultyCalculator difficultyCalculator = new DifficultyCalculator(specProvider); HeaderValidator headerValidator = new HeaderValidator(blockTree, sealer, specProvider, logManager); OmmersValidator ommersValidator = new OmmersValidator(blockTree, headerValidator, logManager); TransactionValidator transactionValidator = new TransactionValidator(new SignatureValidator(ChainId.Ropsten)); BlockValidator blockValidator = new BlockValidator(transactionValidator, headerValidator, ommersValidator, specProvider, logManager); /* state & storage */ StateDb codeDb = new StateDb(); StateDb stateDb = new StateDb(); StateTree stateTree = new StateTree(stateDb); StateProvider stateProvider = new StateProvider(stateTree, codeDb, logManager); StorageProvider storageProvider = new StorageProvider(stateDb, stateProvider, logManager); TestTransactionsGenerator generator = new TestTransactionsGenerator(transactionPool, ethereumEcdsa, TimeSpan.FromMilliseconds(5 * timeMultiplier), NullLogManager.Instance); generator.Start(); /* blockchain processing */ BlockhashProvider blockhashProvider = new BlockhashProvider(blockTree); VirtualMachine virtualMachine = new VirtualMachine(stateProvider, storageProvider, blockhashProvider, logManager); TransactionProcessor processor = new TransactionProcessor(specProvider, stateProvider, storageProvider, virtualMachine, logManager); RewardCalculator rewardCalculator = new RewardCalculator(specProvider); BlockProcessor blockProcessor = new BlockProcessor(specProvider, blockValidator, rewardCalculator, processor, stateDb, codeDb, traceDb, stateProvider, storageProvider, transactionPool, receiptStorage, logManager); BlockchainProcessor blockchainProcessor = new BlockchainProcessor(blockTree, blockProcessor, new TxSignaturesRecoveryStep(ethereumEcdsa, NullTransactionPool.Instance), logManager, false, false); /* load ChainSpec and init */ ChainSpecLoader loader = new ChainSpecLoader(new EthereumJsonSerializer()); string path = "chainspec.json"; logManager.GetClassLogger().Info($"Loading ChainSpec from {path}"); ChainSpec chainSpec = loader.Load(File.ReadAllBytes(path)); foreach (var allocation in chainSpec.Allocations) { stateProvider.CreateAccount(allocation.Key, allocation.Value); } stateProvider.Commit(specProvider.GenesisSpec); chainSpec.Genesis.Header.StateRoot = stateProvider.StateRoot; // TODO: shall it be HeaderSpec and not BlockHeader? chainSpec.Genesis.Header.Hash = BlockHeader.CalculateHash(chainSpec.Genesis.Header); if (chainSpec.Genesis.Hash != new Keccak("0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d")) { throw new Exception("Unexpected genesis hash"); } /* start processing */ blockTree.SuggestBlock(chainSpec.Genesis); blockchainProcessor.Start(); MinedBlockProducer minedBlockProducer = new MinedBlockProducer(difficultyCalculator, transactionPool, blockchainProcessor, sealer, blockTree, timestamp, NullLogManager.Instance); minedBlockProducer.Start(); ManualResetEventSlim manualResetEvent = new ManualResetEventSlim(false); blockTree.NewHeadBlock += (sender, args) => { if (args.Block.Number == 6) { manualResetEvent.Set(); } }; manualResetEvent.Wait(miningDelay * 12 * timeMultiplier); await minedBlockProducer.StopAsync(); int previousCount = 0; int totalTx = 0; for (int i = 0; i < 6; i++) { Block block = blockTree.FindBlock(new UInt256(i)); logger.Info($"Block {i} with {block.Transactions.Length} txs"); ManualResetEventSlim blockProcessedEvent = new ManualResetEventSlim(false); blockchainProcessor.ProcessingQueueEmpty += (sender, args) => blockProcessedEvent.Set(); blockchainProcessor.SuggestBlock(block.Hash, ProcessingOptions.ForceProcessing | ProcessingOptions.StoreReceipts | ProcessingOptions.ReadOnlyChain); blockProcessedEvent.Wait(1000); Tracer tracer = new Tracer(blockchainProcessor, receiptStorage, blockTree, new MemDb()); int currentCount = receiptsDb.Keys.Count; logger.Info($"Current count of receipts {currentCount}"); logger.Info($"Previous count of receipts {previousCount}"); if (block.Transactions.Length > 0) { GethLikeTxTrace trace = tracer.Trace(block.Transactions[0].Hash); Assert.AreSame(GethLikeTxTrace.QuickFail, trace); Assert.AreNotEqual(previousCount, currentCount, $"receipts at block {i}"); totalTx += block.Transactions.Length; } previousCount = currentCount; } Assert.AreNotEqual(0, totalTx, "no tx in blocks"); }
public async Task Build_some_chain() { /* logging & instrumentation */ var logger = new OneLoggerLogManager(new SimpleConsoleLogger()); /* spec */ var blockMiningTime = TimeSpan.FromMilliseconds(500); var sealEngine = new FakeSealEngine(blockMiningTime); var specProvider = RopstenSpecProvider.Instance; /* store & validation */ var blockTree = new BlockTree(new MemDb(), new MemDb(), new MemDb(), specProvider, logger); var difficultyCalculator = new DifficultyCalculator(specProvider); var headerValidator = new HeaderValidator(difficultyCalculator, blockTree, sealEngine, specProvider, logger); var ommersValidator = new OmmersValidator(blockTree, headerValidator, logger); var transactionValidator = new TransactionValidator(new SignatureValidator(ChainId.Ropsten)); var blockValidator = new BlockValidator(transactionValidator, headerValidator, ommersValidator, specProvider, logger); /* state & storage */ var dbProvider = new MemDbProvider(logger); var stateTree = new StateTree(dbProvider.GetOrCreateStateDb()); var stateProvider = new StateProvider(stateTree, dbProvider.GetOrCreateCodeDb(), logger); var storageProvider = new StorageProvider(dbProvider, stateProvider, logger); /* blockchain processing */ var ethereumSigner = new EthereumSigner(specProvider, logger); var transactionStore = new TransactionStore(); var blockhashProvider = new BlockhashProvider(blockTree); var virtualMachine = new VirtualMachine(stateProvider, storageProvider, blockhashProvider, logger); var processor = new TransactionProcessor(specProvider, stateProvider, storageProvider, virtualMachine, NullTracer.Instance, logger); var rewardCalculator = new RewardCalculator(specProvider); var blockProcessor = new BlockProcessor(specProvider, blockValidator, rewardCalculator, processor, dbProvider, stateProvider, storageProvider, transactionStore, logger); var blockchainProcessor = new BlockchainProcessor(blockTree, sealEngine, transactionStore, difficultyCalculator, blockProcessor, ethereumSigner, logger); /* load ChainSpec and init */ ChainSpecLoader loader = new ChainSpecLoader(new UnforgivingJsonSerializer()); string path = Path.Combine(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, @"..\..\..\..\Chains", "ropsten.json")); logger.GetClassLogger().Info($"Loading ChainSpec from {path}"); ChainSpec chainSpec = loader.Load(File.ReadAllBytes(path)); foreach (KeyValuePair <Address, BigInteger> allocation in chainSpec.Allocations) { stateProvider.CreateAccount(allocation.Key, allocation.Value); } stateProvider.Commit(specProvider.GenesisSpec); chainSpec.Genesis.Header.StateRoot = stateProvider.StateRoot; // TODO: shall it be HeaderSpec and not BlockHeader? chainSpec.Genesis.Header.Hash = BlockHeader.CalculateHash(chainSpec.Genesis.Header); if (chainSpec.Genesis.Hash != new Keccak("0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d")) { throw new Exception("Unexpected genesis hash"); } /* start processing */ sealEngine.IsMining = true; var testTransactionsGenerator = new TestTransactionsGenerator(transactionStore, ethereumSigner, blockMiningTime, logger); testTransactionsGenerator.Start(); blockchainProcessor.Start(); blockTree.SuggestBlock(chainSpec.Genesis); BigInteger roughlyNumberOfBlocks = 6; Thread.Sleep(blockMiningTime * (int)roughlyNumberOfBlocks); await blockchainProcessor.StopAsync(false); Assert.GreaterOrEqual(blockTree.Head.Number, roughlyNumberOfBlocks - 2, "number of blocks"); Assert.GreaterOrEqual(blockTree.Head.TotalTransactions, roughlyNumberOfBlocks - 2, "number of transactions"); }
private async Task InitBlockchain() { ChainSpec chainSpec = LoadChainSpec(_initConfig.ChainSpecPath); /* spec */ // TODO: rebuild to use chainspec ISpecProvider specProvider; if (chainSpec.ChainId == RopstenSpecProvider.Instance.ChainId) { specProvider = RopstenSpecProvider.Instance; } else if (chainSpec.ChainId == MainNetSpecProvider.Instance.ChainId) { specProvider = MainNetSpecProvider.Instance; } else { throw new NotSupportedException($"Not yet tested, not yet supported ChainId {chainSpec.ChainId}"); } var ethereumSigner = new EthereumSigner( specProvider, _logManager); var transactionStore = new TransactionStore(); var sealEngine = ConfigureSealEngine( transactionStore, ethereumSigner); /* sync */ IDbConfig dbConfig = _configProvider.GetConfig <IDbConfig>(); foreach (PropertyInfo propertyInfo in typeof(IDbConfig).GetProperties()) { _logger.Info($"DB {propertyInfo.Name}: {propertyInfo.GetValue(dbConfig)}"); } var blocksDb = new DbOnTheRocks( Path.Combine(_dbBasePath, DbOnTheRocks.BlocksDbPath), dbConfig); var blockInfosDb = new DbOnTheRocks( Path.Combine(_dbBasePath, DbOnTheRocks.BlockInfosDbPath), dbConfig); var receiptsDb = new DbOnTheRocks( Path.Combine(_dbBasePath, DbOnTheRocks.ReceiptsDbPath), dbConfig); /* blockchain */ _blockTree = new BlockTree( blocksDb, blockInfosDb, receiptsDb, specProvider, _logManager); var difficultyCalculator = new DifficultyCalculator( specProvider); /* validation */ var headerValidator = new HeaderValidator( difficultyCalculator, _blockTree, sealEngine, specProvider, _logManager); var ommersValidator = new OmmersValidator( _blockTree, headerValidator, _logManager); var txValidator = new TransactionValidator( new SignatureValidator(specProvider.ChainId)); var blockValidator = new BlockValidator( txValidator, headerValidator, ommersValidator, specProvider, _logManager); /* state */ var dbProvider = new RocksDbProvider( _dbBasePath, _logManager, dbConfig); var stateDb = dbProvider.GetOrCreateStateDb(); var stateTree = new StateTree(stateDb); var stateProvider = new StateProvider( stateTree, dbProvider.GetOrCreateCodeDb(), _logManager); var storageProvider = new StorageProvider( dbProvider, stateProvider, _logManager); /* blockchain processing */ var blockhashProvider = new BlockhashProvider( _blockTree); var virtualMachine = new VirtualMachine( stateProvider, storageProvider, blockhashProvider, _logManager); var transactionProcessor = new TransactionProcessor( specProvider, stateProvider, storageProvider, virtualMachine, _tracer, _logManager); var rewardCalculator = new RewardCalculator( specProvider); var blockProcessor = new BlockProcessor( specProvider, blockValidator, rewardCalculator, transactionProcessor, dbProvider, stateProvider, storageProvider, transactionStore, _logManager); _blockchainProcessor = new BlockchainProcessor( _blockTree, sealEngine, transactionStore, difficultyCalculator, blockProcessor, ethereumSigner, _logManager, _perfService); // create shared objects between discovery and peer manager _nodeFactory = new NodeFactory(); _nodeStatsProvider = new NodeStatsProvider(_configProvider.GetConfig <IStatsConfig>(), _nodeFactory, _logManager); var jsonSerializer = new JsonSerializer( _logManager); var encrypter = new AesEncrypter( _configProvider, _logManager); _keyStore = new FileKeyStore( _configProvider, jsonSerializer, encrypter, _cryptoRandom, _logManager); //creating blockchain bridge BlockchainBridge = new BlockchainBridge( ethereumSigner, stateProvider, _keyStore, _blockTree, stateDb, transactionStore); EthereumSigner = ethereumSigner; _blockchainProcessor.Start(); LoadGenesisBlock(chainSpec, string.IsNullOrWhiteSpace(_initConfig.GenesisHash) ? null : new Keccak(_initConfig.GenesisHash), _blockTree, stateProvider, specProvider); #pragma warning disable 4014 LoadBlocksFromDb(); #pragma warning restore 4014 await InitializeNetwork( transactionStore, blockValidator, headerValidator, txValidator); }
private async Task InitializeNetwork( TransactionStore transactionStore, BlockValidator blockValidator, HeaderValidator headerValidator, TransactionValidator txValidator) { if (!_initConfig.NetworkEnabled) { if (_logger.IsInfo) { _logger.Info($"Skipping blockchain synchronization init ({nameof(IInitConfig.NetworkEnabled)} = false)"); } return; } _syncManager = new SynchronizationManager( _blockTree, blockValidator, headerValidator, transactionStore, txValidator, _logManager, _configProvider.GetConfig <IBlockchainConfig>(), _perfService); InitDiscovery(); await InitPeer(); await StartSync().ContinueWith(initNetTask => { if (initNetTask.IsFaulted) { _logger.Error("Unable to start sync.", initNetTask.Exception); } }); await StartDiscovery().ContinueWith(initDiscoveryTask => { if (initDiscoveryTask.IsFaulted) { _logger.Error("Unable to start discovery protocol.", initDiscoveryTask.Exception); } }); await StartPeer().ContinueWith(initPeerManagerTask => { if (initPeerManagerTask.IsFaulted) { _logger.Error("Unable to start peer manager.", initPeerManagerTask.Exception); } }); var localIp = _networkHelper.GetLocalIp(); if (_logger.IsInfo) { _logger.Info($"Node is up and listening on {localIp}:{_initConfig.P2PPort}"); } if (_logger.IsInfo) { _logger.Info($"enode://{_privateKey.PublicKey}@{localIp}:{_initConfig.P2PPort}"); } }
private static void ValidateIfBundleEntryIsUnique(Core.Models.ResourceElement requestBundle) { TransactionValidator.ValidateTransactionBundle(requestBundle.ToPoco <Hl7.Fhir.Model.Bundle>()); }
public TedchainController(IStorageEngine store, ILogger logger, TransactionValidator validator = null) { this.store = store; this.validator = validator; this.logger = logger; }
protected async Task RunTest(BlockchainTest test, Stopwatch stopwatch = null) { Assert.IsNull(test.LoadFailure, "test data loading failure"); // TODO: not supported in .NET Core, need to replace? // LoggingTraceListener traceListener = new LoggingTraceListener(); // Debug.Listeners.Clear(); // Debug.Listeners.Add(traceListener); ISnapshotableDb stateDb = new StateDb(); ISnapshotableDb codeDb = new StateDb(); IDb traceDb = new MemDb(); StateTree stateTree = new StateTree(stateDb); ISpecProvider specProvider; if (test.NetworkAfterTransition != null) { specProvider = new CustomSpecProvider( (0, Frontier.Instance), (1, test.Network), (test.TransitionBlockNumber, test.NetworkAfterTransition)); } else { specProvider = new CustomSpecProvider( (0, Frontier.Instance), // TODO: this thing took a lot of time to find after it was removed!, genesis block is always initialized with Frontier (1, test.Network)); } if (specProvider.GenesisSpec != Frontier.Instance) { Assert.Fail("Expected genesis spec to be Frontier for blockchain tests"); } DifficultyCalculator.Wrapped = new DifficultyCalculator(specProvider); IRewardCalculator rewardCalculator = new RewardCalculator(specProvider); IEthereumEcdsa ecdsa = new EthereumEcdsa(specProvider, _logManager); ITransactionPool transactionPool = new TransactionPool(NullTransactionStorage.Instance, new PendingTransactionThresholdValidator(), new Timestamp(), ecdsa, specProvider, _logManager); IReceiptStorage receiptStorage = NullReceiptStorage.Instance; IBlockTree blockTree = new BlockTree(new MemDb(), new MemDb(), specProvider, transactionPool, _logManager); IBlockhashProvider blockhashProvider = new BlockhashProvider(blockTree); ISignatureValidator signatureValidator = new SignatureValidator(ChainId.MainNet); ITransactionValidator transactionValidator = new TransactionValidator(signatureValidator); IHeaderValidator headerValidator = new HeaderValidator(blockTree, Sealer, specProvider, _logManager); IOmmersValidator ommersValidator = new OmmersValidator(blockTree, headerValidator, _logManager); IBlockValidator blockValidator = new BlockValidator(transactionValidator, headerValidator, ommersValidator, specProvider, _logManager); IStateProvider stateProvider = new StateProvider(stateTree, codeDb, _logManager); IStorageProvider storageProvider = new StorageProvider(stateDb, stateProvider, _logManager); IVirtualMachine virtualMachine = new VirtualMachine( stateProvider, storageProvider, blockhashProvider, _logManager); IBlockProcessor blockProcessor = new BlockProcessor( specProvider, blockValidator, rewardCalculator, new TransactionProcessor( specProvider, stateProvider, storageProvider, virtualMachine, _logManager), stateDb, codeDb, traceDb, stateProvider, storageProvider, transactionPool, receiptStorage, _logManager); IBlockchainProcessor blockchainProcessor = new BlockchainProcessor( blockTree, blockProcessor, new TxSignaturesRecoveryStep(ecdsa, NullTransactionPool.Instance), _logManager, false, false); InitializeTestState(test, stateProvider, storageProvider, specProvider); List <(Block Block, string ExpectedException)> correctRlpsBlocks = new List <(Block, string)>(); for (int i = 0; i < test.Blocks.Length; i++) { try { TestBlockJson testBlockJson = test.Blocks[i]; var rlpContext = Bytes.FromHexString(testBlockJson.Rlp).AsRlpContext(); Block suggestedBlock = Rlp.Decode <Block>(rlpContext); suggestedBlock.Header.SealEngineType = test.SealEngineUsed ? SealEngineType.Ethash : SealEngineType.None; Assert.AreEqual(new Keccak(testBlockJson.BlockHeader.Hash), suggestedBlock.Header.Hash, "hash of the block"); for (int ommerIndex = 0; ommerIndex < suggestedBlock.Ommers.Length; ommerIndex++) { Assert.AreEqual(new Keccak(testBlockJson.UncleHeaders[ommerIndex].Hash), suggestedBlock.Ommers[ommerIndex].Hash, "hash of the ommer"); } correctRlpsBlocks.Add((suggestedBlock, testBlockJson.ExpectedException)); } catch (Exception) { _logger?.Info($"Invalid RLP ({i})"); } } if (correctRlpsBlocks.Count == 0) { Assert.AreEqual(new Keccak(test.GenesisBlockHeader.Hash), test.LastBlockHash); return; } if (test.GenesisRlp == null) { test.GenesisRlp = Rlp.Encode(new Block(Convert(test.GenesisBlockHeader))); } Block genesisBlock = Rlp.Decode <Block>(test.GenesisRlp.Bytes); Assert.AreEqual(new Keccak(test.GenesisBlockHeader.Hash), genesisBlock.Header.Hash, "genesis header hash"); ManualResetEvent genesisProcessed = new ManualResetEvent(false); blockTree.NewHeadBlock += (sender, args) => { if (args.Block.Number == 0) { Assert.AreEqual(genesisBlock.Header.StateRoot, stateTree.RootHash, "genesis state root"); genesisProcessed.Set(); } }; blockchainProcessor.Start(); blockTree.SuggestBlock(genesisBlock); genesisProcessed.WaitOne(); for (int i = 0; i < correctRlpsBlocks.Count; i++) { stopwatch?.Start(); try { if (correctRlpsBlocks[i].ExpectedException != null) { _logger.Info($"Expecting block exception: {correctRlpsBlocks[i].ExpectedException}"); } if (correctRlpsBlocks[i].Block.Hash == null) { throw new Exception($"null hash in {test.Name} block {i}"); } // TODO: mimic the actual behaviour where block goes through validating sync manager? if (!test.SealEngineUsed || blockValidator.ValidateSuggestedBlock(correctRlpsBlocks[i].Block)) { blockTree.SuggestBlock(correctRlpsBlocks[i].Block); } else { Console.WriteLine("Invalid block"); } } catch (InvalidBlockException) { } catch (Exception ex) { _logger?.Info(ex.ToString()); } } await blockchainProcessor.StopAsync(true); stopwatch?.Stop(); List <string> differences = RunAssertions(test, blockTree.RetrieveHeadBlock(), storageProvider, stateProvider); // if (differences.Any()) // { // BlockTrace blockTrace = blockchainProcessor.TraceBlock(blockTree.BestSuggested.Hash); // _logger.Info(new UnforgivingJsonSerializer().Serialize(blockTrace, true)); // } Assert.Zero(differences.Count, "differences"); }
public TransactionManager() { TransactionValidator = new TransactionValidator(); }
private bool CheckIssueDate(NZString TranID) { TransactionValidator val = new TransactionValidator(); return(val.TransactionCanEditOrDelete(TranID)); }
public async Task <ActionResult> Post() { JObject body; try { string bodyContent; using (StreamReader streamReader = new StreamReader(Request.Body)) bodyContent = await streamReader.ReadToEndAsync(); body = JObject.Parse(bodyContent); } catch (JsonReaderException) { return(HttpBadRequest()); } TransactionValidator validator = HttpContext.ApplicationServices.GetService <TransactionValidator>(); if (validator == null) { return(CreateErrorResponse("ValidationDisabled")); } ByteString parsedTransaction; List <SignatureEvidence> authentication = new List <SignatureEvidence>(); if (!(body["mutation"] is JValue && body["signatures"] is JArray)) { return(HttpBadRequest()); } try { parsedTransaction = ByteString.Parse((string)body["mutation"]); foreach (JToken signatureItem in body["signatures"]) { JObject evidence = signatureItem as JObject; if (!(evidence != null && evidence["pub_key"] is JValue && evidence["signature"] is JValue)) { return(HttpBadRequest()); } authentication.Add(new SignatureEvidence( ByteString.Parse((string)evidence["pub_key"]), ByteString.Parse((string)evidence["signature"]))); } } catch (FormatException) { return(HttpBadRequest()); } ByteString transactionId; try { transactionId = await validator.PostTransaction(parsedTransaction, authentication); } catch (TransactionInvalidException exception) { logger.LogInformation("Rejected transaction: {0}", exception.Message); return(CreateErrorResponse(exception.Reason)); } logger.LogInformation("Validated transaction {0}", transactionId.ToString()); return(Json(new { transaction_hash = transactionId.ToString() })); }
public async Task Test() { TimeSpan miningDelay = TimeSpan.FromMilliseconds(50); /* logging & instrumentation */ var logger = new OneLoggerLogManager(new SimpleConsoleLogger(true)); /* spec */ var sealEngine = new FakeSealEngine(miningDelay); sealEngine.IsMining = true; var specProvider = RopstenSpecProvider.Instance; /* store & validation */ var blockTree = new BlockTree(new MemDb(), new MemDb(), new MemDb(), specProvider, logger); var difficultyCalculator = new DifficultyCalculator(specProvider); var headerValidator = new HeaderValidator(difficultyCalculator, blockTree, sealEngine, specProvider, logger); var ommersValidator = new OmmersValidator(blockTree, headerValidator, logger); var transactionValidator = new TransactionValidator(new SignatureValidator(ChainId.Ropsten)); var blockValidator = new BlockValidator(transactionValidator, headerValidator, ommersValidator, specProvider, logger); /* state & storage */ var codeDb = new MemDb(); var stateDb = new MemDb(); var stateTree = new StateTree(stateDb); var stateProvider = new StateProvider(stateTree, codeDb, logger); var storageDbProvider = new MemDbProvider(logger); var storageProvider = new StorageProvider(storageDbProvider, stateProvider, logger); /* blockchain processing */ var ethereumSigner = new EthereumSigner(specProvider, logger); var transactionStore = new TransactionStore(); var blockhashProvider = new BlockhashProvider(blockTree); var virtualMachine = new VirtualMachine(stateProvider, storageProvider, blockhashProvider, logger); var processor = new TransactionProcessor(specProvider, stateProvider, storageProvider, virtualMachine, NullTracer.Instance, logger); var rewardCalculator = new RewardCalculator(specProvider); var blockProcessor = new BlockProcessor(specProvider, blockValidator, rewardCalculator, processor, storageDbProvider, stateProvider, storageProvider, transactionStore, logger); var blockchainProcessor = new BlockchainProcessor(blockTree, sealEngine, transactionStore, difficultyCalculator, blockProcessor, ethereumSigner, logger, new PerfService(NullLogManager.Instance)); /* load ChainSpec and init */ ChainSpecLoader loader = new ChainSpecLoader(new UnforgivingJsonSerializer()); string path = Path.Combine(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, @"..\..\..\..\Chains", "ropsten.json")); logger.GetClassLogger().Info($"Loading ChainSpec from {path}"); ChainSpec chainSpec = loader.Load(File.ReadAllBytes(path)); foreach (KeyValuePair <Address, UInt256> allocation in chainSpec.Allocations) { stateProvider.CreateAccount(allocation.Key, allocation.Value); } stateProvider.Commit(specProvider.GenesisSpec); chainSpec.Genesis.Header.StateRoot = stateProvider.StateRoot; // TODO: shall it be HeaderSpec and not BlockHeader? chainSpec.Genesis.Header.Hash = BlockHeader.CalculateHash(chainSpec.Genesis.Header); if (chainSpec.Genesis.Hash != new Keccak("0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d")) { throw new Exception("Unexpected genesis hash"); } /* start processing */ blockTree.SuggestBlock(chainSpec.Genesis); blockchainProcessor.Start(); ManualResetEvent manualResetEvent = new ManualResetEvent(false); blockTree.NewHeadBlock += (sender, args) => { if (args.Block.Number == 6) { manualResetEvent.Set(); } }; manualResetEvent.WaitOne(miningDelay * 12); await blockchainProcessor.StopAsync(true).ContinueWith( t => { if (t.IsFaulted) { throw t.Exception; } Assert.GreaterOrEqual((int)blockTree.Head.Number, 6); }); }
public async Task PostTransaction_ConcurrencyException() { this.store = new TestStore(defaultAccounts, true); TransactionValidator validator = new TransactionValidator( this.store, new TestValidator(false), validNamespace); ByteString mutation = CreateMutation(validNamespace); TransactionInvalidException exception = await Assert.ThrowsAsync<TransactionInvalidException>( () => validator.PostTransaction(mutation, new SignatureEvidence[0])); Assert.Equal("OptimisticConcurrency", exception.Reason); Assert.Equal(1, store.AddedTransactions.Count); }
public TransactionPolicyError[] Check(TransactionValidator validator) { if (validator == null) { throw new ArgumentNullException(nameof(validator)); } var transaction = validator.Transaction; List <TransactionPolicyError> errors = new List <TransactionPolicyError>(); foreach (var input in validator.Transaction.Inputs.AsIndexedInputs()) { if (this.ScriptVerify is NBitcoin.ScriptVerify) { ScriptError?error; if (!VerifyScript(validator, (int)input.Index, out error) && error is ScriptError err) { errors.Add(new ScriptPolicyError(input, err, validator.ScriptVerify, validator.SpentOutputs[input.Index].ScriptPubKey)); } } var txin = input.TxIn; if (txin.ScriptSig.Length > MaxScriptSigLength) { errors.Add(new InputPolicyError("Max scriptSig length exceeded actual is " + txin.ScriptSig.Length + ", max is " + MaxScriptSigLength, input)); } if (!txin.ScriptSig.IsPushOnly) { errors.Add(new InputPolicyError("All operation should be push", input)); } if (!txin.ScriptSig.HasCanonicalPushes) { errors.Add(new InputPolicyError("All operation should be canonical push", input)); } } if (CheckScriptPubKey) { foreach (var txout in transaction.Outputs.AsCoins()) { if (!Strategy.IsStandardOutput(txout.TxOut)) { errors.Add(new OutputPolicyError("Non-Standard scriptPubKey", (int)txout.Outpoint.N)); } } } int txSize = transaction.GetSerializedSize(); if (MaxTransactionSize != null) { if (txSize >= MaxTransactionSize.Value) { errors.Add(new TransactionSizePolicyError(txSize, MaxTransactionSize.Value)); } } var fees = transaction.GetFee(validator.SpentOutputs); if (fees != null) { var virtualSize = transaction.GetVirtualSize(); if (CheckFee) { if (MaxTxFee != null) { var max = MaxTxFee.GetFee(virtualSize); if (fees > max) { errors.Add(new FeeTooHighPolicyError(fees, max)); } } if (MinFee != null) { if (fees < MinFee) { errors.Add(new FeeTooLowPolicyError(fees, MinFee)); } } if (MinRelayTxFee != null) { if (MinRelayTxFee != null) { var min = MinRelayTxFee.GetFee(virtualSize); if (fees < min) { errors.Add(new FeeTooLowPolicyError(fees, min)); } } } } } if (MinRelayTxFee != null) { foreach (var output in transaction.Outputs) { var bytes = output.ScriptPubKey.ToBytes(true); if (output.IsDust(MinRelayTxFee) && !IsOpReturn(bytes)) { errors.Add(new DustPolicyError(output.Value, output.GetDustThreshold(MinRelayTxFee))); } } } var opReturnCount = transaction.Outputs.Select(o => o.ScriptPubKey.ToBytes(true)).Count(b => IsOpReturn(b)); if (opReturnCount > 1) { errors.Add(new TransactionPolicyError("More than one op return detected")); } return(errors.ToArray()); }