Exemplo n.º 1
0
        public void Can_collect_stats()
        {
            MemDb           memDb           = new MemDb();
            IDb             stateDb         = memDb;
            TrieStore       trieStore       = new TrieStore(stateDb, new MemoryLimit(0.MB()), Persist.EveryBlock, LimboLogs.Instance);
            StateProvider   stateProvider   = new StateProvider(trieStore, stateDb, LimboLogs.Instance);
            StorageProvider storageProvider = new StorageProvider(trieStore, stateProvider, LimboLogs.Instance);

            stateProvider.CreateAccount(TestItem.AddressA, 1);
            Keccak codeHash = stateProvider.UpdateCode(new byte[] { 1, 2, 3 });

            stateProvider.UpdateCodeHash(TestItem.AddressA, codeHash, Istanbul.Instance);

            stateProvider.CreateAccount(TestItem.AddressB, 1);
            Keccak codeHash2 = stateProvider.UpdateCode(new byte[] { 1, 2, 3, 4 });

            stateProvider.UpdateCodeHash(TestItem.AddressB, codeHash2, Istanbul.Instance);

            for (int i = 0; i < 1000; i++)
            {
                StorageCell storageCell = new StorageCell(TestItem.AddressA, (UInt256)i);
                storageProvider.Set(storageCell, new byte[] { (byte)i });
            }

            storageProvider.Commit();
            stateProvider.Commit(Istanbul.Instance);

            storageProvider.CommitTrees(0);
            stateProvider.CommitTree(0);
            storageProvider.CommitTrees(1);
            stateProvider.CommitTree(1);

            memDb.Delete(codeHash2); // missing code
            Keccak storageKey = new Keccak("0x345e54154080bfa9e8f20c99d7a0139773926479bc59e5b4f830ad94b6425332");

            memDb.Delete(storageKey); // deletes some storage
            trieStore.ClearCache();

            TrieStatsCollector statsCollector = new TrieStatsCollector(stateDb, LimboLogs.Instance);

            stateProvider.Accept(statsCollector, stateProvider.StateRoot);
            var stats = statsCollector.Stats;

            stats.CodeCount.Should().Be(1);
            stats.MissingCode.Should().Be(1);

            stats.NodesCount.Should().Be(1348);

            stats.StateBranchCount.Should().Be(1);
            stats.StateExtensionCount.Should().Be(1);
            stats.AccountCount.Should().Be(2);

            stats.StorageCount.Should().Be(1343);
            stats.StorageBranchCount.Should().Be(337);
            stats.StorageExtensionCount.Should().Be(12);
            stats.StorageLeafCount.Should().Be(994);
            stats.MissingStorage.Should().Be(1);
        }
Exemplo n.º 2
0
        public void Throws_on_theoretical_contract_crash()
        {
            var contractAddress = Address.OfContract(_senderPublicKey.ToKvmAddress(), 0);

            _stateProvider.CreateAccount(contractAddress, 1000.Kat());
            var codeHash = _stateProvider.UpdateCode(Bytes.FromHexString("0x01"));

            _stateProvider.UpdateCodeHash(contractAddress, codeHash, _specProvider.GenesisSpec);
            _stateProvider.Commit(_specProvider.GenesisSpec);

            var delta = EntryUtils.PrepareSingleContractEntryDelta(null, _senderPublicKey, 0,
                                                                   "0x60016000526001601FF300");

            delta.PublicEntries[0].GasLimit        = 1_000_000L;
            delta.PublicEntries[0].ReceiverAddress = ByteString.Empty;
            delta.PublicEntries[0].Signature       = delta.PublicEntries[0]
                                                     .GenerateSignature(_cryptoContext, _senderPrivateKey, _signingContext);

            var tracer = Substitute.For <ITxTracer>();

            tracer.IsTracingReceipt.Returns(true);

            _executor.Execute(delta, tracer);

            tracer.Received().MarkAsFailed(contractAddress, 1_000_000L, Arg.Any <byte[]>(), null);
        }
Exemplo n.º 3
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        private static void InitializeTestState(GeneralStateTest test, StateProvider stateProvider,
                                                IStorageProvider storageProvider, ISpecProvider specProvider)
        {
            foreach (KeyValuePair <Address, AccountState> accountState in test.Pre)
            {
                foreach (KeyValuePair <UInt256, byte[]> storageItem in accountState.Value.Storage)
                {
                    storageProvider.Set(new StorageCell(accountState.Key, storageItem.Key),
                                        storageItem.Value.WithoutLeadingZeros().ToArray());
                }

                stateProvider.CreateAccount(accountState.Key, accountState.Value.Balance);
                Keccak codeHash = stateProvider.UpdateCode(accountState.Value.Code);
                stateProvider.UpdateCodeHash(accountState.Key, codeHash, specProvider.GenesisSpec);
                stateProvider.SetNonce(accountState.Key, accountState.Value.Nonce);
            }

            storageProvider.Commit();
            stateProvider.Commit(specProvider.GenesisSpec);

            storageProvider.CommitTrees(0);
            stateProvider.CommitTree(0);

            storageProvider.Reset();
            stateProvider.Reset();
        }
Exemplo n.º 4
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        private void AddCode(StateProvider stateProvider, Address account, byte[] code)
        {
            Keccak codeHash = stateProvider.UpdateCode(code);
            stateProvider.UpdateCodeHash(account, codeHash, MuirGlacier.Instance);

            stateProvider.Commit(MainnetSpecProvider.Instance.GenesisSpec, NullStateTracer.Instance);
        }
Exemplo n.º 5
0
        private void AddCode(StateProvider stateProvider, Address account, byte[] code)
        {
            Keccak codeHash = stateProvider.UpdateCode(code);

            stateProvider.UpdateCodeHash(account, codeHash, MuirGlacier.Instance);

            stateProvider.Commit(MainNetSpecProvider.Instance.GenesisSpec, null);
            stateProvider.CommitTree();
            _dbProvider.CodeDb.Commit();
            _dbProvider.StateDb.Commit();
        }
Exemplo n.º 6
0
        public void Restore_in_the_middle()
        {
            byte[] code = new byte[] { 1 };

            StateProvider provider = new StateProvider(new StateDb(new MemDb()), Substitute.For <IDb>(), Logger);

            provider.CreateAccount(_address1, 1);
            provider.AddToBalance(_address1, 1, Frontier.Instance);
            provider.IncrementNonce(_address1);
            Keccak codeHash = provider.UpdateCode(new byte[] { 1 });

            provider.UpdateCodeHash(_address1, codeHash, Frontier.Instance);
            provider.UpdateStorageRoot(_address1, Hash2);

            Assert.AreEqual(UInt256.One, provider.GetNonce(_address1));
            Assert.AreEqual(UInt256.One + 1, provider.GetBalance(_address1));
            Assert.AreEqual(code, provider.GetCode(_address1));
            provider.Restore(4);
            Assert.AreEqual(UInt256.One, provider.GetNonce(_address1));
            Assert.AreEqual(UInt256.One + 1, provider.GetBalance(_address1));
            Assert.AreEqual(code, provider.GetCode(_address1));
            provider.Restore(3);
            Assert.AreEqual(UInt256.One, provider.GetNonce(_address1));
            Assert.AreEqual(UInt256.One + 1, provider.GetBalance(_address1));
            Assert.AreEqual(code, provider.GetCode(_address1));
            provider.Restore(2);
            Assert.AreEqual(UInt256.One, provider.GetNonce(_address1));
            Assert.AreEqual(UInt256.One + 1, provider.GetBalance(_address1));
            Assert.AreEqual(new byte[0], provider.GetCode(_address1));
            provider.Restore(1);
            Assert.AreEqual(UInt256.Zero, provider.GetNonce(_address1));
            Assert.AreEqual(UInt256.One + 1, provider.GetBalance(_address1));
            Assert.AreEqual(new byte[0], provider.GetCode(_address1));
            provider.Restore(0);
            Assert.AreEqual(UInt256.Zero, provider.GetNonce(_address1));
            Assert.AreEqual(UInt256.One, provider.GetBalance(_address1));
            Assert.AreEqual(new byte[0], provider.GetCode(_address1));
            provider.Restore(-1);
            Assert.AreEqual(false, provider.AccountExists(_address1));
        }
Exemplo n.º 7
0
        protected virtual async Task <TestBlockchain> Build(ISpecProvider specProvider = null, UInt256?initialValues = null)
        {
            Timestamper    = new ManualTimestamper(new DateTime(2020, 2, 15, 12, 50, 30, DateTimeKind.Utc));
            JsonSerializer = new EthereumJsonSerializer();
            SpecProvider   = specProvider ?? MainnetSpecProvider.Instance;
            EthereumEcdsa  = new EthereumEcdsa(ChainId.Mainnet, LimboLogs.Instance);
            ITxStorage txStorage = new InMemoryTxStorage();

            DbProvider = await TestMemDbProvider.InitAsync();

            State = new StateProvider(StateDb, CodeDb, LimboLogs.Instance);
            State.CreateAccount(TestItem.AddressA, (initialValues ?? 1000.Ether()));
            State.CreateAccount(TestItem.AddressB, (initialValues ?? 1000.Ether()));
            State.CreateAccount(TestItem.AddressC, (initialValues ?? 1000.Ether()));
            byte[] code     = Bytes.FromHexString("0xabcd");
            Keccak codeHash = Keccak.Compute(code);

            State.UpdateCode(code);
            State.UpdateCodeHash(TestItem.AddressA, codeHash, SpecProvider.GenesisSpec);

            Storage = new StorageProvider(StateDb, State, LimboLogs.Instance);
            Storage.Set(new StorageCell(TestItem.AddressA, UInt256.One), Bytes.FromHexString("0xabcdef"));
            Storage.Commit();

            State.Commit(SpecProvider.GenesisSpec);
            State.CommitTree();

            TxPool = new TxPool.TxPool(
                txStorage,
                EthereumEcdsa,
                SpecProvider,
                new TxPoolConfig(),
                new StateProvider(StateDb, CodeDb, LimboLogs.Instance),
                LimboLogs.Instance);

            IDb blockDb     = new MemDb();
            IDb headerDb    = new MemDb();
            IDb blockInfoDb = new MemDb();

            BlockTree = new BlockTree(blockDb, headerDb, blockInfoDb, new ChainLevelInfoRepository(blockDb), SpecProvider, NullBloomStorage.Instance, LimboLogs.Instance);
            new OnChainTxWatcher(BlockTree, TxPool, SpecProvider, LimboLogs.Instance);

            ReceiptStorage = new InMemoryReceiptStorage();
            VirtualMachine virtualMachine = new VirtualMachine(State, Storage, new BlockhashProvider(BlockTree, LimboLogs.Instance), SpecProvider, LimboLogs.Instance);

            TxProcessor    = new TransactionProcessor(SpecProvider, State, Storage, virtualMachine, LimboLogs.Instance);
            BlockProcessor = CreateBlockProcessor();

            BlockchainProcessor chainProcessor = new BlockchainProcessor(BlockTree, BlockProcessor, new RecoverSignatures(EthereumEcdsa, TxPool, SpecProvider, LimboLogs.Instance), LimboLogs.Instance, Nethermind.Blockchain.Processing.BlockchainProcessor.Options.Default);

            BlockchainProcessor = chainProcessor;
            chainProcessor.Start();

            StateReader = new StateReader(StateDb, CodeDb, LimboLogs.Instance);
            TxPoolTxSource txPoolTxSource = CreateTxPoolTxSource();
            ISealer        sealer         = new NethDevSealEngine(TestItem.AddressD);

            BlockProducer = new TestBlockProducer(txPoolTxSource, chainProcessor, State, sealer, BlockTree, chainProcessor, Timestamper, LimboLogs.Instance);
            BlockProducer.Start();

            _resetEvent = new SemaphoreSlim(0);
            _suggestedBlockResetEvent = new ManualResetEvent(true);
            BlockTree.NewHeadBlock   += (s, e) =>
            {
                _resetEvent.Release(1);
            };
            BlockProducer.LastProducedBlockChanged += (s, e) =>
            {
                _suggestedBlockResetEvent.Set();
            };

            var genesis = GetGenesisBlock();

            BlockTree.SuggestBlock(genesis);
            await _resetEvent.WaitAsync();

            //if (!await _resetEvent.WaitAsync(1000))
            // {
            //     throw new InvalidOperationException("Failed to process genesis in 1s.");
            // }

            await AddBlocksOnStart();

            return(this);
        }
Exemplo n.º 8
0
        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        ecdsa                = new EthereumEcdsa(specProvider, logManager);
            MemDb                receiptsDb           = new MemDb();
            MemDb                traceDb              = new MemDb();
            TxPool               txPool               = new TxPool(NullTxStorage.Instance, Timestamp.Default, ecdsa, specProvider, new TxPoolConfig(), logManager);
            IReceiptStorage      receiptStorage       = new PersistentReceiptStorage(receiptsDb, NullDb.Instance, specProvider, logManager);
            BlockTree            blockTree            = new BlockTree(new MemDb(), new MemDb(), new MemDb(), specProvider, txPool, 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);
            TxValidator          txValidator          = new TxValidator(ChainId.Ropsten);
            BlockValidator       blockValidator       = new BlockValidator(txValidator, headerValidator, ommersValidator, specProvider, logManager);

            /* state & storage */
            StateDb         codeDb          = new StateDb();
            StateDb         stateDb         = new StateDb();
            StateProvider   stateProvider   = new StateProvider(stateDb, codeDb, logManager);
            StorageProvider storageProvider = new StorageProvider(stateDb, stateProvider, logManager);

            TestTransactionsGenerator generator = new TestTransactionsGenerator(txPool, ecdsa, TimeSpan.FromMilliseconds(5 * timeMultiplier), NullLogManager.Instance);

            generator.Start();

            /* blockchain processing */
            BlockhashProvider    blockhashProvider = new BlockhashProvider(blockTree, LimboLogs.Instance);
            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, txPool, receiptStorage, logManager);
            BlockchainProcessor blockchainProcessor = new BlockchainProcessor(blockTree, blockProcessor, new TxSignaturesRecoveryStep(ecdsa, NullTxPool.Instance, LimboLogs.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.Balance);
                if (allocation.Value.Code != null)
                {
                    Keccak codeHash = stateProvider.UpdateCode(allocation.Value.Code);
                    stateProvider.UpdateCodeHash(allocation.Key, codeHash, specProvider.GenesisSpec);
                }
            }

            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, txPool, 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(i);
                logger.Info($"Block {i} with {block.Transactions.Length} txs");

                ManualResetEventSlim blockProcessedEvent = new ManualResetEventSlim(false);
                blockchainProcessor.ProcessingQueueEmpty += (sender, args) => blockProcessedEvent.Set();
                blockchainProcessor.SuggestBlock(block, 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");
        }
Exemplo n.º 9
0
        // It takes dotCover to run it quite long, increased timeouts
        public async Task Can_process_mined_blocks()
        {
            int timeMultiplier = 1; // for debugging

            TimeSpan miningDelay = TimeSpan.FromMilliseconds(200 * timeMultiplier);

            /* logging & instrumentation */
//            OneLoggerLogManager logger = new OneLoggerLogManager(new SimpleConsoleLogger(true));
            ILogManager logManager = LimboLogs.Instance;
            ILogger     logger     = logManager.GetClassLogger();

            /* spec */
            FakeSealer sealer = new FakeSealer(miningDelay);

            RopstenSpecProvider specProvider = RopstenSpecProvider.Instance;

            /* state & storage */
            StateDb         codeDb          = new StateDb();
            StateDb         stateDb         = new StateDb();
            StateProvider   stateProvider   = new StateProvider(stateDb, codeDb, logManager);
            StorageProvider storageProvider = new StorageProvider(stateDb, stateProvider, logManager);

            /* store & validation */

            EthereumEcdsa ecdsa      = new EthereumEcdsa(specProvider, logManager);
            MemDb         receiptsDb = new MemDb();

            TxPool.TxPool        txPool               = new TxPool.TxPool(NullTxStorage.Instance, Timestamper.Default, ecdsa, specProvider, new TxPoolConfig(), stateProvider, logManager);
            IReceiptStorage      receiptStorage       = new PersistentReceiptStorage(receiptsDb, specProvider, logManager);
            var                  blockInfoDb          = new MemDb();
            BlockTree            blockTree            = new BlockTree(new MemDb(), new MemDb(), blockInfoDb, new ChainLevelInfoRepository(blockInfoDb), specProvider, txPool, NullBloomStorage.Instance, logManager);
            Timestamper          timestamper          = new Timestamper();
            DifficultyCalculator difficultyCalculator = new DifficultyCalculator(specProvider);
            HeaderValidator      headerValidator      = new HeaderValidator(blockTree, sealer, specProvider, logManager);
            OmmersValidator      ommersValidator      = new OmmersValidator(blockTree, headerValidator, logManager);
            TxValidator          txValidator          = new TxValidator(ChainId.Ropsten);
            BlockValidator       blockValidator       = new BlockValidator(txValidator, headerValidator, ommersValidator, specProvider, logManager);

            TestTransactionsGenerator generator = new TestTransactionsGenerator(txPool, ecdsa, TimeSpan.FromMilliseconds(50 * timeMultiplier), LimboLogs.Instance);

            generator.Start();

            /* blockchain processing */
            BlockhashProvider    blockhashProvider = new BlockhashProvider(blockTree, LimboLogs.Instance);
            VirtualMachine       virtualMachine    = new VirtualMachine(stateProvider, storageProvider, blockhashProvider, specProvider, 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, stateProvider, storageProvider, txPool, receiptStorage, logManager);
            BlockchainProcessor blockchainProcessor = new BlockchainProcessor(blockTree, blockProcessor, new TxSignaturesRecoveryStep(ecdsa, NullTxPool.Instance, LimboLogs.Instance), logManager, 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.ReadAllText(path));

            foreach (var allocation in chainSpec.Allocations)
            {
                stateProvider.CreateAccount(allocation.Key, allocation.Value.Balance);
                if (allocation.Value.Code != null)
                {
                    Keccak codeHash = stateProvider.UpdateCode(allocation.Value.Code);
                    stateProvider.UpdateCodeHash(allocation.Key, codeHash, specProvider.GenesisSpec);
                }
            }

            stateProvider.Commit(specProvider.GenesisSpec);
            chainSpec.Genesis.Header.StateRoot = stateProvider.StateRoot;
            chainSpec.Genesis.Header.Hash      = chainSpec.Genesis.Header.CalculateHash();
            if (chainSpec.Genesis.Hash != new Keccak("0xafbc3c327d2d18ff2b843e89226ef288fcee379542f854f982e4cfb85916d126"))
            {
                throw new Exception("Unexpected genesis hash");
            }

            /* start processing */
            blockTree.SuggestBlock(chainSpec.Genesis);
            blockchainProcessor.Start();

            var transactionSelector = new PendingTxSelector(txPool, stateProvider, logManager);
            MinedBlockProducer minedBlockProducer = new MinedBlockProducer(transactionSelector, blockchainProcessor, sealer, blockTree, blockchainProcessor, stateProvider, timestamper, LimboLogs.Instance, difficultyCalculator);

            minedBlockProducer.Start();

            ManualResetEventSlim manualResetEvent = new ManualResetEventSlim(false);

            blockTree.NewHeadBlock += (sender, args) =>
            {
                if (args.Block.Number == 6)
                {
                    manualResetEvent.Set();
                }
            };

            manualResetEvent.Wait(miningDelay * 100);
            await minedBlockProducer.StopAsync();

            int previousCount = 0;
            int totalTx       = 0;

            for (int i = 0; i < 6; i++)
            {
                Block block = blockTree.FindBlock(i, BlockTreeLookupOptions.None);
                Assert.That(block, Is.Not.Null, $"Block {i} not produced");
                logger.Info($"Block {i} with {block.Transactions.Length} txs");

                ManualResetEventSlim blockProcessedEvent = new ManualResetEventSlim(false);
                blockchainProcessor.ProcessingQueueEmpty += (sender, args) => blockProcessedEvent.Set();
                blockchainProcessor.Enqueue(block, ProcessingOptions.ForceProcessing | ProcessingOptions.StoreReceipts | ProcessingOptions.ReadOnlyChain);
                blockProcessedEvent.Wait(miningDelay);

                GethStyleTracer gethStyleTracer = new GethStyleTracer(blockchainProcessor, receiptStorage, blockTree);

                int currentCount = receiptsDb.Keys.Count;
                logger.Info($"Current count of receipts {currentCount}");
                logger.Info($"Previous count of receipts {previousCount}");

                if (block.Transactions.Length > 0)
                {
                    Assert.AreNotEqual(previousCount, currentCount, $"receipts at block {i}");
                    totalTx += block.Transactions.Length;
                }

                previousCount = currentCount;
            }

            Assert.AreNotEqual(0, totalTx, "no tx in blocks");
        }
Exemplo n.º 10
0
        private void Initialize(bool auRa = false)
        {
            ISpecProvider  specProvider  = MainnetSpecProvider.Instance;
            IEthereumEcdsa ethereumEcdsa = new EthereumEcdsa(specProvider, LimboLogs.Instance);
            ITxStorage     txStorage     = new InMemoryTxStorage();

            _stateDb = new StateDb();
            ISnapshotableDb codeDb      = new StateDb();
            IStateReader    stateReader = new StateReader(_stateDb, codeDb, LimboLogs.Instance);

            _stateProvider = new StateProvider(_stateDb, codeDb, LimboLogs.Instance);
            _stateProvider.CreateAccount(TestItem.AddressA, 1000.Ether());
            _stateProvider.CreateAccount(TestItem.AddressB, 1000.Ether());
            _stateProvider.CreateAccount(TestItem.AddressC, 1000.Ether());
            byte[] code     = Bytes.FromHexString("0xabcd");
            Keccak codeHash = Keccak.Compute(code);

            _stateProvider.UpdateCode(code);
            _stateProvider.UpdateCodeHash(TestItem.AddressA, codeHash, specProvider.GenesisSpec);

            IStorageProvider storageProvider = new StorageProvider(_stateDb, _stateProvider, LimboLogs.Instance);

            storageProvider.Set(new StorageCell(TestItem.AddressA, UInt256.One), Bytes.FromHexString("0xabcdef"));
            storageProvider.Commit();

            _stateProvider.Commit(specProvider.GenesisSpec);
            _stateProvider.CommitTree();

            ITxPool txPool = new TxPool.TxPool(txStorage, Timestamper.Default, ethereumEcdsa, specProvider, new TxPoolConfig(), _stateProvider, LimboLogs.Instance);

            IDb        blockDb     = new MemDb();
            IDb        headerDb    = new MemDb();
            IDb        blockInfoDb = new MemDb();
            IBlockTree blockTree   = new BlockTree(blockDb, headerDb, blockInfoDb, new ChainLevelInfoRepository(blockDb), specProvider, txPool, NullBloomStorage.Instance, LimboLogs.Instance);

            IReceiptStorage      receiptStorage = new InMemoryReceiptStorage();
            VirtualMachine       virtualMachine = new VirtualMachine(_stateProvider, storageProvider, new BlockhashProvider(blockTree, LimboLogs.Instance), specProvider, LimboLogs.Instance);
            TransactionProcessor txProcessor    = new TransactionProcessor(specProvider, _stateProvider, storageProvider, virtualMachine, LimboLogs.Instance);
            IBlockProcessor      blockProcessor = new BlockProcessor(specProvider, Always.Valid, new RewardCalculator(specProvider), txProcessor, _stateDb, codeDb, _stateProvider, storageProvider, txPool, receiptStorage, LimboLogs.Instance);

            IFilterStore   filterStore   = new FilterStore();
            IFilterManager filterManager = new FilterManager(filterStore, blockProcessor, txPool, LimboLogs.Instance);

            _blockchainBridge = new BlockchainBridge(stateReader, _stateProvider, storageProvider, blockTree, txPool, receiptStorage, filterStore, filterManager, NullWallet.Instance, txProcessor, ethereumEcdsa, NullBloomStorage.Instance, LimboLogs.Instance, false);

            BlockchainProcessor blockchainProcessor = new BlockchainProcessor(blockTree, blockProcessor, new TxSignaturesRecoveryStep(ethereumEcdsa, txPool, LimboLogs.Instance), LimboLogs.Instance, true);

            blockchainProcessor.Start();

            ManualResetEventSlim resetEvent = new ManualResetEventSlim(false);

            blockTree.NewHeadBlock += (s, e) =>
            {
                Console.WriteLine(e.Block.Header.Hash);
                if (e.Block.Number == 9)
                {
                    resetEvent.Set();
                }
            };

            var genesisBlockBuilder = Build.A.Block.Genesis.WithStateRoot(new Keccak("0x1ef7300d8961797263939a3d29bbba4ccf1702fabf02d8ad7a20b454edb6fd2f"));

            if (auRa)
            {
                genesisBlockBuilder.WithAura(0, new byte[65]);
            }

            Block genesis = genesisBlockBuilder.TestObject;

            blockTree.SuggestBlock(genesis);

            Block previousBlock = genesis;

            for (int i = 1; i < 10; i++)
            {
                List <Transaction> transactions = new List <Transaction>();
                for (int j = 0; j < i; j++)
                {
                    transactions.Add(Build.A.Transaction.WithNonce((UInt256)j).SignedAndResolved().TestObject);
                }

                BlockBuilder builder = Build.A.Block.WithNumber(i).WithParent(previousBlock).WithTransactions(transactions.ToArray()).WithStateRoot(new Keccak("0x1ef7300d8961797263939a3d29bbba4ccf1702fabf02d8ad7a20b454edb6fd2f"));
                if (auRa)
                {
                    builder.WithAura(i, i.ToByteArray());
                }

                Block block = builder.TestObject;
                blockTree.SuggestBlock(block);
                previousBlock = block;
            }

            IReceiptsRecovery receiptsRecovery = new ReceiptsRecovery();
            IReceiptFinder    receiptFinder    = new FullInfoReceiptFinder(receiptStorage, receiptsRecovery, blockTree);

            resetEvent.Wait(2000);
            _traceModule = new TraceModule(receiptFinder, new Tracer(_stateProvider, blockchainProcessor), _blockchainBridge);
            _blockTree   = blockTree;
        }
Exemplo n.º 11
0
        private static async Task RunBenchmarkBlocks()
        {
            Rlp.RegisterDecoders(typeof(ParityTraceDecoder).Assembly);

            /* logging & instrumentation */
            _logManager = new NLogManager("perfTest.logs.txt", null);
            _logger     = _logManager.GetClassLogger();

            if (_logger.IsInfo)
            {
                _logger.Info("Deleting state DBs");
            }

            DeleteDb(FullStateDbPath);
            DeleteDb(FullCodeDbPath);
            DeleteDb(FullReceiptsDbPath);
            DeleteDb(FullPendingTxsDbPath);
            if (_logger.IsInfo)
            {
                _logger.Info("State DBs deleted");
            }

            /* load spec */
            ChainSpecLoader loader = new ChainSpecLoader(new EthereumJsonSerializer());
            string          path   = Path.Combine(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, @"chainspec", "ropsten.json"));

            _logger.Info($"Loading ChainSpec from {path}");
            ChainSpec chainSpec = loader.Load(File.ReadAllText(path));

            _logger.Info($"ChainSpec loaded");

            var specProvider = new ChainSpecBasedSpecProvider(chainSpec);
            IRewardCalculator rewardCalculator = new RewardCalculator(specProvider);

            var dbProvider   = new RocksDbProvider(DbBasePath, DbConfig.Default, _logManager, true, true);
            var stateDb      = dbProvider.StateDb;
            var codeDb       = dbProvider.CodeDb;
            var traceDb      = dbProvider.TraceDb;
            var blocksDb     = dbProvider.BlocksDb;
            var headersDb    = dbProvider.HeadersDb;
            var blockInfosDb = dbProvider.BlockInfosDb;
            var receiptsDb   = dbProvider.ReceiptsDb;

            /* state & storage */
            var stateProvider   = new StateProvider(stateDb, codeDb, _logManager);
            var storageProvider = new StorageProvider(stateDb, stateProvider, _logManager);

            var ethereumSigner = new EthereumEcdsa(specProvider, _logManager);

            var transactionPool = new TxPool(
                NullTxStorage.Instance,
                Timestamper.Default,
                ethereumSigner,
                specProvider,
                new TxPoolConfig(),
                stateProvider,
                _logManager);

            var blockInfoRepository = new ChainLevelInfoRepository(blockInfosDb);
            var blockTree           = new UnprocessedBlockTreeWrapper(new BlockTree(blocksDb, headersDb, blockInfosDb, blockInfoRepository, specProvider, transactionPool, _logManager));
            var receiptStorage      = new InMemoryReceiptStorage();

            IBlockDataRecoveryStep recoveryStep = new TxSignaturesRecoveryStep(ethereumSigner, transactionPool, _logManager);

            /* blockchain processing */
            IList <IAdditionalBlockProcessor> blockProcessors = new List <IAdditionalBlockProcessor>();
            var blockhashProvider = new BlockhashProvider(blockTree, LimboLogs.Instance);
            var virtualMachine    = new VirtualMachine(stateProvider, storageProvider, blockhashProvider, specProvider, _logManager);
            var processor         = new TransactionProcessor(specProvider, stateProvider, storageProvider, virtualMachine, _logManager);

            ISealValidator sealValidator;

            if (specProvider.ChainId == RopstenSpecProvider.Instance.ChainId)
            {
                var difficultyCalculator = new DifficultyCalculator(specProvider);
                sealValidator = new EthashSealValidator(_logManager, difficultyCalculator, new Ethash(_logManager));
            }
            else if (chainSpec.SealEngineType == SealEngineType.Clique)
            {
                var snapshotManager = new SnapshotManager(CliqueConfig.Default, blocksDb, blockTree, ethereumSigner, _logManager);
                sealValidator    = new CliqueSealValidator(CliqueConfig.Default, snapshotManager, _logManager);
                rewardCalculator = NoBlockRewards.Instance;
                recoveryStep     = new CompositeDataRecoveryStep(recoveryStep, new AuthorRecoveryStep(snapshotManager));
            }
            else if (chainSpec.SealEngineType == SealEngineType.AuRa)
            {
                var abiEncoder         = new AbiEncoder();
                var validatorProcessor = new AuRaAdditionalBlockProcessorFactory(dbProvider.StateDb, stateProvider, abiEncoder, processor, blockTree, receiptStorage, _logManager)
                                         .CreateValidatorProcessor(chainSpec.AuRa.Validators);

                sealValidator    = new AuRaSealValidator(chainSpec.AuRa, new AuRaStepCalculator(chainSpec.AuRa.StepDuration, new Timestamper()), validatorProcessor, ethereumSigner, _logManager);
                rewardCalculator = new AuRaRewardCalculator(chainSpec.AuRa, abiEncoder, processor);
                blockProcessors.Add(validatorProcessor);
            }
            else
            {
                throw new NotSupportedException();
            }

            /* store & validation */
            var headerValidator      = new HeaderValidator(blockTree, sealValidator, specProvider, _logManager);
            var ommersValidator      = new OmmersValidator(blockTree, headerValidator, _logManager);
            var transactionValidator = new TxValidator(chainSpec.ChainId);
            var blockValidator       = new BlockValidator(transactionValidator, headerValidator, ommersValidator, specProvider, _logManager);

            /* blockchain processing */
            var blockProcessor      = new BlockProcessor(specProvider, blockValidator, rewardCalculator, processor, stateDb, codeDb, traceDb, stateProvider, storageProvider, transactionPool, receiptStorage, _logManager, blockProcessors);
            var blockchainProcessor = new BlockchainProcessor(blockTree, blockProcessor, recoveryStep, _logManager, true, false);

            if (chainSpec.SealEngineType == SealEngineType.AuRa)
            {
                stateProvider.CreateAccount(Address.Zero, UInt256.Zero);
                storageProvider.Commit();
                stateProvider.Commit(Homestead.Instance);
                var finalizationManager = new AuRaBlockFinalizationManager(blockTree, blockInfoRepository, blockProcessor, blockProcessors.OfType <IAuRaValidator>().First(), _logManager);
            }

            foreach ((Address address, ChainSpecAllocation allocation) in chainSpec.Allocations)
            {
                stateProvider.CreateAccount(address, allocation.Balance);
                if (allocation.Code != null)
                {
                    Keccak codeHash = stateProvider.UpdateCode(allocation.Code);
                    stateProvider.UpdateCodeHash(address, codeHash, specProvider.GenesisSpec);
                }

                if (allocation.Constructor != null)
                {
                    Transaction constructorTransaction = new Transaction(true)
                    {
                        SenderAddress = address,
                        Init          = allocation.Constructor,
                        GasLimit      = chainSpec.Genesis.GasLimit
                    };

                    processor.Execute(constructorTransaction, chainSpec.Genesis.Header, NullTxTracer.Instance);
                }
            }

            _logger.Info($"Allocations configured, committing...");

            stateProvider.Commit(specProvider.GenesisSpec);

            _logger.Info($"Finalizing genesis...");
            chainSpec.Genesis.Header.StateRoot = stateProvider.StateRoot;
            chainSpec.Genesis.Header.Hash      = BlockHeader.CalculateHash(chainSpec.Genesis.Header);

            if (chainSpec.Genesis.Hash != blockTree.Genesis.Hash)
            {
                throw new Exception("Unexpected genesis hash");
            }

            _logger.Info($"Starting benchmark processor...");
            /* start processing */
            BigInteger totalGas  = BigInteger.Zero;
            Stopwatch  stopwatch = new Stopwatch();
            Block      currentHead;
            long       maxMemory = 0;

            blockTree.NewHeadBlock += (sender, args) =>
            {
                currentHead = args.Block;
                if (currentHead.Number == 0)
                {
                    return;
                }

                maxMemory = Math.Max(maxMemory, GC.GetTotalMemory(false));
                totalGas += currentHead.GasUsed;
                if ((BigInteger)args.Block.Number % 10000 == 9999)
                {
                    stopwatch.Stop();
                    long       ms     = 1_000L * stopwatch.ElapsedTicks / Stopwatch.Frequency;
                    BigInteger number = args.Block.Number + 1;
                    _logger.Warn($"TOTAL after {number} (ms)       : " + ms);
                    _logger.Warn($"TOTAL after {number} blocks/s   : {(decimal) currentHead.Number / (ms / 1000m),5}");
                    _logger.Warn($"TOTAL after {number} Mgas/s     : {((decimal) totalGas / 1000000) / (ms / 1000m),5}");
                    _logger.Warn($"TOTAL after {number} max mem    : {maxMemory}");
                    _logger.Warn($"TOTAL after {number} GC (0/1/2) : {GC.CollectionCount(0)}/{GC.CollectionCount(1)}/{GC.CollectionCount(2)}");
                    _logger.Warn($"Is server GC {number}           : {System.Runtime.GCSettings.IsServerGC}");
                    _logger.Warn($"GC latency mode {number}        : {System.Runtime.GCSettings.LatencyMode}");

                    _logger.Warn($"TOTAL after {number} blocks DB reads      : {Store.Metrics.BlocksDbReads}");
                    _logger.Warn($"TOTAL after {number} blocks DB writes     : {Store.Metrics.BlocksDbWrites}");
                    _logger.Warn($"TOTAL after {number} infos DB reads       : {Store.Metrics.BlockInfosDbReads}");
                    _logger.Warn($"TOTAL after {number} infos DB writes      : {Store.Metrics.BlockInfosDbWrites}");
                    _logger.Warn($"TOTAL after {number} state tree reads     : {Store.Metrics.StateTreeReads}");
                    _logger.Warn($"TOTAL after {number} state tree writes    : {Store.Metrics.StateTreeWrites}");
                    _logger.Warn($"TOTAL after {number} state DB reads       : {Store.Metrics.StateDbReads}");
                    _logger.Warn($"TOTAL after {number} state DB writes      : {Store.Metrics.StateDbWrites}");
                    _logger.Warn($"TOTAL after {number} storage tree reads   : {Store.Metrics.StorageTreeReads}");
                    _logger.Warn($"TOTAL after {number} storage tree writes  : {Store.Metrics.StorageTreeWrites}");
                    _logger.Warn($"TOTAL after {number} tree node hash       : {Store.Metrics.TreeNodeHashCalculations}");
                    _logger.Warn($"TOTAL after {number} tree node RLP decode : {Store.Metrics.TreeNodeRlpDecodings}");
                    _logger.Warn($"TOTAL after {number} tree node RLP encode : {Store.Metrics.TreeNodeRlpEncodings}");
                    _logger.Warn($"TOTAL after {number} code DB reads        : {Store.Metrics.CodeDbReads}");
                    _logger.Warn($"TOTAL after {number} code DB writes       : {Store.Metrics.CodeDbWrites}");
                    _logger.Warn($"TOTAL after {number} receipts DB reads    : {Store.Metrics.ReceiptsDbReads}");
                    _logger.Warn($"TOTAL after {number} receipts DB writes   : {Store.Metrics.ReceiptsDbWrites}");
                    _logger.Warn($"TOTAL after {number} other DB reads       : {Store.Metrics.OtherDbReads}");
                    _logger.Warn($"TOTAL after {number} other DB writes      : {Store.Metrics.OtherDbWrites}");
                    _logger.Warn($"TOTAL after {number} EVM exceptions       : {Evm.Metrics.EvmExceptions}");
                    _logger.Warn($"TOTAL after {number} SLOAD opcodes        : {Evm.Metrics.SloadOpcode}");
                    _logger.Warn($"TOTAL after {number} SSTORE opcodes       : {Evm.Metrics.SstoreOpcode}");
                    _logger.Warn($"TOTAL after {number} EXP opcodes          : {Evm.Metrics.ModExpOpcode}");
                    _logger.Warn($"TOTAL after {number} BLOCKHASH opcodes    : {Evm.Metrics.BlockhashOpcode}");
                    _logger.Warn($"TOTAL after {number} EVM calls            : {Evm.Metrics.Calls}");
                    _logger.Warn($"TOTAL after {number} RIPEMD Precompiles   : {Evm.Metrics.Ripemd160Precompile}");
                    _logger.Warn($"TOTAL after {number} SHA256 Precompiles   : {Evm.Metrics.Sha256Precompile}");
                    // disk space
                    stopwatch.Start();
                }
            };

            bool isStarted = false;

            TaskCompletionSource <object> completionSource = new TaskCompletionSource <object>();

            blockTree.NewBestSuggestedBlock += (sender, args) =>
            {
                if (!isStarted)
                {
                    blockchainProcessor.Process(blockTree.FindBlock(blockTree.Genesis.Hash, BlockTreeLookupOptions.RequireCanonical), ProcessingOptions.None, NullBlockTracer.Instance);
                    stopwatch.Start();
                    blockchainProcessor.Start();
                    isStarted = true;
                }

                if (args.Block.Number == BlocksToLoad)
                {
                    completionSource.SetResult(null);
                }
            };

            await Task.WhenAny(completionSource.Task, blockTree.LoadBlocksFromDb(CancellationToken.None, 0, 10000, BlocksToLoad));

            await blockchainProcessor.StopAsync(true).ContinueWith(
                t =>
            {
                if (t.IsFaulted)
                {
                    _logger.Error("processing failed", t.Exception);
                    _logger.Error("inner", t.Exception.InnerException);
                    Console.ReadLine();
                }

                _logger.Info("Block processing completed.");
            });

            stopwatch.Stop();
            Console.ReadLine();
        }
Exemplo n.º 12
0
        public void Initialize()
        {
            Rlp.RegisterDecoders(typeof(ParityTraceDecoder).Assembly);

            _ethSerializer = new EthereumJsonSerializer();
            ISpecProvider   specProvider  = MainNetSpecProvider.Instance;
            IEthereumEcdsa  ethereumEcdsa = new EthereumEcdsa(specProvider, LimboLogs.Instance);
            ITxStorage      txStorage     = new InMemoryTxStorage();
            ISnapshotableDb stateDb       = new StateDb();
            ISnapshotableDb codeDb        = new StateDb();
            IStateReader    stateReader   = new StateReader(stateDb, codeDb, LimboLogs.Instance);
            IStateProvider  stateProvider = new StateProvider(stateDb, codeDb, LimboLogs.Instance);

            stateProvider.CreateAccount(TestItem.AddressA, 1000.Ether());
            stateProvider.CreateAccount(TestItem.AddressB, 1000.Ether());
            stateProvider.CreateAccount(TestItem.AddressC, 1000.Ether());
            byte[] code     = Bytes.FromHexString("0xabcd");
            Keccak codeHash = Keccak.Compute(code);

            stateProvider.UpdateCode(code);
            stateProvider.UpdateCodeHash(TestItem.AddressA, codeHash, specProvider.GenesisSpec);

            IStorageProvider storageProvider = new StorageProvider(stateDb, stateProvider, LimboLogs.Instance);

            storageProvider.Set(new StorageAddress(TestItem.AddressA, UInt256.One), Bytes.FromHexString("0xabcdef"));
            storageProvider.Commit();

            stateProvider.Commit(specProvider.GenesisSpec);

            ITxPool txPool = new TxPool(txStorage, Timestamper.Default, ethereumEcdsa, specProvider, new TxPoolConfig(), stateProvider, LimboLogs.Instance);

            IDb        blockDb     = new MemDb();
            IDb        headerDb    = new MemDb();
            IDb        blockInfoDb = new MemDb();
            IDb        traceDb     = new MemDb();
            IBlockTree blockTree   = new BlockTree(blockDb, headerDb, blockInfoDb, new ChainLevelInfoRepository(blockDb), specProvider, txPool, LimboLogs.Instance);

            IReceiptStorage      receiptStorage = new InMemoryReceiptStorage();
            VirtualMachine       virtualMachine = new VirtualMachine(stateProvider, storageProvider, new BlockhashProvider(blockTree, LimboLogs.Instance), specProvider, LimboLogs.Instance);
            TransactionProcessor txProcessor    = new TransactionProcessor(specProvider, stateProvider, storageProvider, virtualMachine, LimboLogs.Instance);
            IBlockProcessor      blockProcessor = new BlockProcessor(specProvider, AlwaysValidBlockValidator.Instance, new RewardCalculator(specProvider), txProcessor, stateDb, codeDb, traceDb, stateProvider, storageProvider, txPool, receiptStorage, LimboLogs.Instance);

            IFilterStore   filterStore   = new FilterStore();
            IFilterManager filterManager = new FilterManager(filterStore, blockProcessor, txPool, LimboLogs.Instance);

            _blockchainBridge = new BlockchainBridge(stateReader, stateProvider, storageProvider, blockTree, txPool, receiptStorage, filterStore, filterManager, NullWallet.Instance, txProcessor, ethereumEcdsa);

            BlockchainProcessor blockchainProcessor = new BlockchainProcessor(blockTree, blockProcessor, new TxSignaturesRecoveryStep(ethereumEcdsa, txPool, LimboLogs.Instance), LimboLogs.Instance, true, true);

            blockchainProcessor.Start();

            ManualResetEventSlim resetEvent = new ManualResetEventSlim(false);

            blockTree.NewHeadBlock += (s, e) =>
            {
                if (e.Block.Number == 9)
                {
                    resetEvent.Set();
                }
            };

            Block genesis = Build.A.Block.Genesis.WithStateRoot(new Keccak("0x1ef7300d8961797263939a3d29bbba4ccf1702fabf02d8ad7a20b454edb6fd2f")).TestObject;

            blockTree.SuggestBlock(genesis);

            Block previousBlock = genesis;

            for (int i = 1; i < 10; i++)
            {
                Block block = Build.A.Block.WithNumber(i).WithParent(previousBlock).WithStateRoot(new Keccak("0x1ef7300d8961797263939a3d29bbba4ccf1702fabf02d8ad7a20b454edb6fd2f")).TestObject;
                blockTree.SuggestBlock(block);
                previousBlock = block;
            }

            resetEvent.Wait();
            _ethModule = new EthModule(LimboLogs.Instance, _blockchainBridge);
            _blockTree = blockTree;
        }
Exemplo n.º 13
0
        protected virtual async Task <TestBlockchain> Build(ISpecProvider specProvider = null)
        {
            Timestamper    = new ManualTimestamper(new DateTime(2020, 2, 15, 12, 50, 30, DateTimeKind.Utc));
            JsonSerializer = new EthereumJsonSerializer();
            SpecProvider   = specProvider ?? MainnetSpecProvider.Instance;
            EthereumEcdsa  = new EthereumEcdsa(ChainId.Mainnet, LimboLogs.Instance);
            ITxStorage txStorage = new InMemoryTxStorage();

            DbProvider = new MemDbProvider();
            State      = new StateProvider(StateDb, CodeDb, LimboLogs.Instance);
            State.CreateAccount(TestItem.AddressA, 1000.Ether());
            State.CreateAccount(TestItem.AddressB, 1000.Ether());
            State.CreateAccount(TestItem.AddressC, 1000.Ether());
            byte[] code     = Bytes.FromHexString("0xabcd");
            Keccak codeHash = Keccak.Compute(code);

            State.UpdateCode(code);
            State.UpdateCodeHash(TestItem.AddressA, codeHash, SpecProvider.GenesisSpec);

            Storage = new StorageProvider(StateDb, State, LimboLogs.Instance);
            Storage.Set(new StorageCell(TestItem.AddressA, UInt256.One), Bytes.FromHexString("0xabcdef"));
            Storage.Commit();

            State.Commit(SpecProvider.GenesisSpec);
            State.CommitTree();

            TxPool = new TxPool.TxPool(txStorage, Timestamper, EthereumEcdsa, SpecProvider, new TxPoolConfig(), State, LimboLogs.Instance);

            IDb blockDb     = new MemDb();
            IDb headerDb    = new MemDb();
            IDb blockInfoDb = new MemDb();

            BlockTree = new BlockTree(blockDb, headerDb, blockInfoDb, new ChainLevelInfoRepository(blockDb), SpecProvider, TxPool, NullBloomStorage.Instance, LimboLogs.Instance);

            ReceiptStorage = new InMemoryReceiptStorage();
            VirtualMachine virtualMachine = new VirtualMachine(State, Storage, new BlockhashProvider(BlockTree, LimboLogs.Instance), SpecProvider, LimboLogs.Instance);

            TxProcessor    = new TransactionProcessor(SpecProvider, State, Storage, virtualMachine, LimboLogs.Instance);
            BlockProcessor = CreateBlockProcessor();

            BlockchainProcessor chainProcessor = new BlockchainProcessor(BlockTree, BlockProcessor, new TxSignaturesRecoveryStep(EthereumEcdsa, TxPool, LimboLogs.Instance), LimboLogs.Instance, BlockchainProcessor.Options.Default);

            chainProcessor.Start();

            StateReader = new StateReader(StateDb, CodeDb, LimboLogs.Instance);
            TxPoolTxSource txPoolTxSource = new TxPoolTxSource(TxPool, StateReader, LimboLogs.Instance);
            ISealer        sealer         = new FakeSealer(TimeSpan.Zero);

            BlockProducer = new TestBlockProducer(txPoolTxSource, chainProcessor, State, sealer, BlockTree, chainProcessor, Timestamper, LimboLogs.Instance);
            BlockProducer.Start();

            _resetEvent             = new AutoResetEvent(false);
            BlockTree.NewHeadBlock += (s, e) =>
            {
                Console.WriteLine(e.Block.Header.Hash);
                _resetEvent.Set();
            };

            var genesis = GetGenesisBlock();

            BlockTree.SuggestBlock(genesis);
            await _resetEvent.WaitOneAsync(CancellationToken.None);

            await AddBlocksOnStart();

            return(this);
        }