public async Task Suggesting_blocks_works_correctly_after_processor_restart(int suggestedBlocksAmount)
        {
            TestRpcBlockchain testRpc = await TestRpcBlockchain.ForTest(SealEngineType.NethDev).Build();

            await testRpc.BlockchainProcessor.StopAsync();

            IBlockTree tree = testRpc.BlockTree;
            long       startingBlockNumber = tree.Head !.Number;

            SuggestNumberOfBlocks(tree, suggestedBlocksAmount);

            // simulating restarts - we stopped the old blockchain processor and create the new one
            BlockchainProcessor newBlockchainProcessor = new BlockchainProcessor(tree, testRpc.BlockProcessor,
                                                                                 testRpc.BlockPreprocessorStep, LimboLogs.Instance, BlockchainProcessor.Options.Default);

            newBlockchainProcessor.Start();
            testRpc.BlockchainProcessor = newBlockchainProcessor;

            // fixing after restart
            StartupBlockTreeFixer fixer = new StartupBlockTreeFixer(new SyncConfig(), tree, testRpc.DbProvider.StateDb, LimboNoErrorLogger.Instance, 5);
            await tree.Accept(fixer, CancellationToken.None);

            // waiting for N new heads
            for (int i = 0; i < suggestedBlocksAmount; ++i)
            {
                await testRpc.WaitForNewHead();
            }

            // add a new block at the end
            await testRpc.AddBlock();

            Assert.AreEqual(startingBlockNumber + suggestedBlocksAmount + 1, tree.Head !.Number);
        }
Example #2
0
            public ProcessingTestContext(bool startProcessor)
            {
                _logger = _logManager.GetClassLogger();
                MemDb blockDb     = new MemDb();
                MemDb blockInfoDb = new MemDb();
                MemDb headersDb   = new MemDb();
                Block genesis     = Build.A.Block.Genesis.TestObject;

                _blockTree      = new BlockTree(blockDb, headersDb, blockInfoDb, new ChainLevelInfoRepository(blockInfoDb), MainnetSpecProvider.Instance, NullBloomStorage.Instance, LimboLogs.Instance);
                _blockProcessor = new BlockProcessorMock(_logManager);
                _recoveryStep   = new RecoveryStepMock(_logManager);
                _processor      = new BlockchainProcessor(_blockTree, _blockProcessor, _recoveryStep, LimboLogs.Instance, BlockchainProcessor.Options.Default);
                _resetEvent     = new AutoResetEvent(false);

                _blockTree.NewHeadBlock += (sender, args) =>
                {
                    _logger.Info($"Finished waiting for {args.Block.ToString(Block.Format.Short)} as block became the new head block");
                    _resetEvent.Set();
                };

                if (startProcessor)
                {
                    _processor.Start();
                }
            }
Example #3
0
        public void Test()
        {
            Block block0  = Build.A.Block.Genesis.WithTotalDifficulty(0L).TestObject;
            Block block1  = Build.A.Block.WithParent(block0).WithDifficulty(1).WithTotalDifficulty(1L).TestObject;
            Block block2  = Build.A.Block.WithParent(block1).WithDifficulty(2).WithTotalDifficulty(3L).TestObject;
            Block block3  = Build.A.Block.WithParent(block2).WithDifficulty(3).WithTotalDifficulty(6L).TestObject;
            Block block1B = Build.A.Block.WithParent(block0).WithDifficulty(10).WithTotalDifficulty(10L).TestObject;

            _blockchainProcessor.Start();

            _blockTree.SuggestBlock(block0);
            _blockTree.SuggestBlock(block1);
            _blockTree.SuggestBlock(block2);
            _blockTree.SuggestBlock(block3);
            _blockTree.SuggestBlock(block1B);

            Thread.Sleep(200);
            _blockTree.Head.Should().Be(block1B);
        }
Example #4
0
            public ProcessingTestContext()
            {
                _logger = _logManager.GetClassLogger();
                MemDb blockDb     = new MemDb();
                MemDb blockInfoDb = new MemDb();
                MemDb headersDb   = new MemDb();

                _blockTree      = new BlockTree(blockDb, headersDb, blockInfoDb, new ChainLevelInfoRepository(blockInfoDb), MainNetSpecProvider.Instance, NullTxPool.Instance, LimboLogs.Instance);
                _blockProcessor = new BlockProcessorMock(_logManager);
                _recoveryStep   = new RecoveryStepMock(_logManager);
                _processor      = new BlockchainProcessor(_blockTree, _blockProcessor, _recoveryStep, LimboLogs.Instance, true, true);
                _resetEvent     = new AutoResetEvent(false);

                _blockTree.NewHeadBlock += (sender, args) =>
                {
                    _logger.Info($"Finished waiting for {args.Block.ToString(Block.Format.Short)} as block became the new head block");
                    _resetEvent.Set();
                };

                _processor.Start();
            }
        public async Task Fixer_should_not_suggest_block_with_null_block()
        {
            TestRpcBlockchain testRpc = await TestRpcBlockchain.ForTest(SealEngineType.NethDev).Build();

            await testRpc.BlockchainProcessor.StopAsync();

            IBlockTree tree = testRpc.BlockTree;

            SuggestNumberOfBlocks(tree, 1);

            // simulating restarts - we stopped the old blockchain processor and create the new one
            BlockchainProcessor newBlockchainProcessor = new BlockchainProcessor(tree, testRpc.BlockProcessor,
                                                                                 testRpc.BlockPreprocessorStep, LimboLogs.Instance, BlockchainProcessor.Options.Default);

            newBlockchainProcessor.Start();
            testRpc.BlockchainProcessor = newBlockchainProcessor;

            IBlockTreeVisitor fixer  = new StartupBlockTreeFixer(new SyncConfig(), tree, testRpc.DbProvider.StateDb, LimboNoErrorLogger.Instance, 5);
            BlockVisitOutcome result = await fixer.VisitBlock(null, CancellationToken.None);

            Assert.AreEqual(BlockVisitOutcome.None, result);
        }
Example #6
0
        public void Test()
        {
            List <Block> events = new();

            AutoResetEvent resetEvent = new AutoResetEvent(false);

            Block block0  = Build.A.Block.Genesis.WithTotalDifficulty(0L).TestObject;
            Block block1  = Build.A.Block.WithParent(block0).WithDifficulty(1).WithTotalDifficulty(1L).TestObject;
            Block block2  = Build.A.Block.WithParent(block1).WithDifficulty(2).WithTotalDifficulty(3L).TestObject;
            Block block3  = Build.A.Block.WithParent(block2).WithDifficulty(3).WithTotalDifficulty(6L).TestObject;
            Block block1B = Build.A.Block.WithParent(block0).WithDifficulty(5).WithTotalDifficulty(5L).TestObject;
            Block block2B = Build.A.Block.WithParent(block1B).WithDifficulty(6).WithTotalDifficulty(11L).TestObject;

            _blockTree.BlockAddedToMain += (_, args) =>
            {
                events.Add(args.Block);

                if (args.Block == block2B)
                {
                    resetEvent.Set();
                }
            };

            _blockchainProcessor.Start();

            _blockTree.SuggestBlock(block0);
            _blockTree.SuggestBlock(block1);
            _blockTree.SuggestBlock(block2);
            _blockTree.SuggestBlock(block3);
            _blockTree.SuggestBlock(block1B);
            _blockTree.SuggestBlock(block2B);

            resetEvent.WaitOne(2000);

            _blockTree.Head.Should().Be(block2B);
            events.Should().HaveCount(6);
            events[4].Hash.Should().Be(block1B.Hash);
            events[5].Hash.Should().Be(block2B.Hash);
        }
        public async Task Fixer_should_not_suggest_block_without_state(int suggestedBlocksAmount)
        {
            TestRpcBlockchain testRpc = await TestRpcBlockchain.ForTest(SealEngineType.NethDev).Build();

            await testRpc.BlockchainProcessor.StopAsync();

            IBlockTree tree = testRpc.BlockTree;

            SuggestNumberOfBlocks(tree, suggestedBlocksAmount);

            // simulating restarts - we stopped the old blockchain processor and create the new one
            BlockchainProcessor newBlockchainProcessor = new BlockchainProcessor(tree, testRpc.BlockProcessor,
                                                                                 testRpc.BlockPreprocessorStep, LimboLogs.Instance, BlockchainProcessor.Options.Default);

            newBlockchainProcessor.Start();
            testRpc.BlockchainProcessor = newBlockchainProcessor;

            // we create a new empty db for stateDb so we shouldn't suggest new blocks
            MemDb             stateDb = new MemDb();
            IBlockTreeVisitor fixer   = new StartupBlockTreeFixer(new SyncConfig(), tree, stateDb, LimboNoErrorLogger.Instance, 5);
            BlockVisitOutcome result  = await fixer.VisitBlock(tree.Head !, CancellationToken.None);

            Assert.AreEqual(BlockVisitOutcome.None, result);
        }
            public ProcessingTestContext()
            {
                MemDb blockDb     = new MemDb();
                MemDb blockInfoDb = new MemDb();

                _blockTree      = new BlockTree(blockDb, blockInfoDb, MainNetSpecProvider.Instance, NullTransactionPool.Instance, NullLogManager.Instance);
                _blockProcessor = new BlockProcessorMock();
                _recoveryStep   = new RecoveryStepMock();
                _processor      = new BlockchainProcessor(_blockTree, _blockProcessor, _recoveryStep, NullLogManager.Instance, true, true);
                _resetEvent     = new AutoResetEvent(false);
//                _blockProcessor.BlockProcessed += (sender, args) =>
//                {
//                    Console.WriteLine($"Finished waiting for {args.Block.ToString(Block.Format.Short)} as block was processed");
//                    _resetEvent.Set();
//                };

                _blockTree.NewHeadBlock += (sender, args) =>
                {
                    Console.WriteLine($"Finished waiting for {args.Block.ToString(Block.Format.Short)} as block became the new head block");
                    _resetEvent.Set();
                };

                _processor.Start();
            }
        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");
        }
Example #10
0
        protected async Task RunTest(LegacyBlockchainTest test, Stopwatch stopwatch = null)
        {
            TestContext.Write($"Running {test.Name} at {DateTime.UtcNow:HH:mm:ss.ffffff}");
            Assert.IsNull(test.LoadFailure, "test data loading failure");

            ISnapshotableDb stateDb = new StateDb();
            ISnapshotableDb codeDb  = new StateDb();
            IDb             traceDb = new MemDb();

            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);
            IStateProvider     stateProvider     = new StateProvider(stateDb, codeDb, _logManager);
            ITxPool            transactionPool   = new TxPool(NullTxStorage.Instance, new Timestamper(), ecdsa, specProvider, new TxPoolConfig(), stateProvider, _logManager);
            IReceiptStorage    receiptStorage    = NullReceiptStorage.Instance;
            var                blockInfoDb       = new MemDb();
            IBlockTree         blockTree         = new BlockTree(new MemDb(), new MemDb(), blockInfoDb, new ChainLevelInfoRepository(blockInfoDb), specProvider, transactionPool, _logManager);
            IBlockhashProvider blockhashProvider = new BlockhashProvider(blockTree, _logManager);
            ITxValidator       txValidator       = new TxValidator(ChainId.MainNet);
            IHeaderValidator   headerValidator   = new HeaderValidator(blockTree, Sealer, specProvider, _logManager);
            IOmmersValidator   ommersValidator   = new OmmersValidator(blockTree, headerValidator, _logManager);
            IBlockValidator    blockValidator    = new BlockValidator(txValidator, headerValidator, ommersValidator, specProvider, _logManager);
            IStorageProvider   storageProvider   = new StorageProvider(stateDb, stateProvider, _logManager);
            IVirtualMachine    virtualMachine    = new VirtualMachine(
                stateProvider,
                storageProvider,
                blockhashProvider,
                specProvider,
                _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, NullTxPool.Instance, _logManager),
                _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).AsRlpStream();
                    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(JsonToBlockchainTest.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, stateProvider.StateRoot, "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 On CreateNode(PrivateKey privateKey, bool withGenesisAlreadyProcessed = false)
            {
                if (_logger.IsInfo)
                {
                    _logger.Info($"CREATING NODE {privateKey.Address}");
                }
                _logManagers[privateKey] = LimboLogs.Instance;
//                _logManagers[privateKey] = new OneLoggerLogManager(new ConsoleAsyncLogger(LogLevel.Debug, $"{privateKey.Address} "));
                var nodeLogManager = _logManagers[privateKey];

                AutoResetEvent newHeadBlockEvent = new AutoResetEvent(false);

                _blockEvents.Add(privateKey, newHeadBlockEvent);

                MemDb blocksDb    = new MemDb();
                MemDb headersDb   = new MemDb();
                MemDb blockInfoDb = new MemDb();

                TxPool txPool = new TxPool(new InMemoryTransactionStorage(), new PendingTransactionThresholdValidator(), _timestamp, _ethereumEcdsa, GoerliSpecProvider.Instance, _logManager);

                _pools[privateKey] = txPool;

                BlockTree blockTree = new BlockTree(blocksDb, headersDb, blockInfoDb, GoerliSpecProvider.Instance, txPool, nodeLogManager);

                blockTree.NewHeadBlock += (sender, args) => { _blockEvents[privateKey].Set(); };

                BlockhashProvider blockhashProvider = new BlockhashProvider(blockTree);

                _blockTrees.Add(privateKey, blockTree);

                IBasicWallet    wallet          = new BasicWallet(privateKey);
                SnapshotManager snapshotManager = new SnapshotManager(_cliqueConfig, blocksDb, blockTree, _ethereumEcdsa, nodeLogManager);

                _snapshotManager[privateKey] = snapshotManager;
                CliqueSealer cliqueSealer = new CliqueSealer(wallet, _cliqueConfig, snapshotManager, privateKey.Address, nodeLogManager);

                ISnapshotableDb stateDb = new StateDb();
                ISnapshotableDb codeDb  = new StateDb();
                IDb             traceDb = new MemDb();

                StateProvider stateProvider = new StateProvider(stateDb, codeDb, nodeLogManager);

                stateProvider.CreateAccount(TestItem.PrivateKeyD.Address, 100.Ether());
                stateProvider.Commit(GoerliSpecProvider.Instance.GenesisSpec);

                _genesis.StateRoot       = _genesis3Validators.StateRoot = stateProvider.StateRoot;
                _genesis.Hash            = BlockHeader.CalculateHash(_genesis.Header);
                _genesis3Validators.Hash = BlockHeader.CalculateHash(_genesis3Validators.Header);

                StorageProvider      storageProvider      = new StorageProvider(stateDb, stateProvider, nodeLogManager);
                TransactionProcessor transactionProcessor = new TransactionProcessor(GoerliSpecProvider.Instance, stateProvider, storageProvider, new VirtualMachine(stateProvider, storageProvider, blockhashProvider, nodeLogManager), nodeLogManager);
                BlockProcessor       blockProcessor       = new BlockProcessor(GoerliSpecProvider.Instance, TestBlockValidator.AlwaysValid, NoBlockRewards.Instance, transactionProcessor, stateDb, codeDb, traceDb, stateProvider, storageProvider, txPool, NullReceiptStorage.Instance, new SyncConfig(), nodeLogManager);
                BlockchainProcessor  processor            = new BlockchainProcessor(blockTree, blockProcessor, new AuthorRecoveryStep(snapshotManager), nodeLogManager, false, false);

                processor.Start();

                StateProvider        minerStateProvider        = new StateProvider(stateDb, codeDb, nodeLogManager);
                StorageProvider      minerStorageProvider      = new StorageProvider(stateDb, minerStateProvider, nodeLogManager);
                VirtualMachine       minerVirtualMachine       = new VirtualMachine(minerStateProvider, minerStorageProvider, blockhashProvider, nodeLogManager);
                TransactionProcessor minerTransactionProcessor = new TransactionProcessor(GoerliSpecProvider.Instance, minerStateProvider, minerStorageProvider, minerVirtualMachine, nodeLogManager);
                BlockProcessor       minerBlockProcessor       = new BlockProcessor(GoerliSpecProvider.Instance, TestBlockValidator.AlwaysValid, NoBlockRewards.Instance, minerTransactionProcessor, stateDb, codeDb, traceDb, minerStateProvider, minerStorageProvider, txPool, NullReceiptStorage.Instance, new SyncConfig(), nodeLogManager);
                BlockchainProcessor  minerProcessor            = new BlockchainProcessor(blockTree, minerBlockProcessor, new AuthorRecoveryStep(snapshotManager), nodeLogManager, false, false);

                if (withGenesisAlreadyProcessed)
                {
                    ProcessGenesis(privateKey);
                }

                CliqueBlockProducer blockProducer = new CliqueBlockProducer(txPool, minerProcessor, blockTree, _timestamp, new CryptoRandom(), minerStateProvider, snapshotManager, cliqueSealer, privateKey.Address, _cliqueConfig, nodeLogManager);

                blockProducer.Start();

                _producers.Add(privateKey, blockProducer);

                return(this);
            }
Example #12
0
        private SyncTestContext CreateSyncManager(int index)
        {
            var logManager            = NoErrorLimboLogs.Instance;
            ConsoleAsyncLogger logger = new ConsoleAsyncLogger(LogLevel.Debug, "PEER " + index + " ");
//            var logManager = new OneLoggerLogManager(logger);
            var specProvider = new SingleReleaseSpecProvider(ConstantinopleFix.Instance, MainnetSpecProvider.Instance.ChainId);

            var             dbProvider  = TestMemDbProvider.Init();
            IDb             blockDb     = dbProvider.BlocksDb;
            IDb             headerDb    = dbProvider.HeadersDb;
            IDb             blockInfoDb = dbProvider.BlockInfosDb;
            ISnapshotableDb codeDb      = dbProvider.CodeDb;
            ISnapshotableDb stateDb     = dbProvider.StateDb;

            var stateReader   = new StateReader(stateDb, codeDb, logManager);
            var stateProvider = new StateProvider(stateDb, codeDb, logManager);

            stateProvider.CreateAccount(TestItem.AddressA, 10000.Ether());
            stateProvider.Commit(specProvider.GenesisSpec);
            stateProvider.CommitTree();
            stateProvider.RecalculateStateRoot();
            stateDb.Commit();

            var storageProvider = new StorageProvider(stateDb, stateProvider, logManager);
            var receiptStorage  = new InMemoryReceiptStorage();

            var ecdsa             = new EthereumEcdsa(specProvider.ChainId, logManager);
            var txPool            = new TxPool.TxPool(new InMemoryTxStorage(), ecdsa, specProvider, new TxPoolConfig(), stateProvider, logManager);
            var tree              = new BlockTree(blockDb, headerDb, blockInfoDb, new ChainLevelInfoRepository(blockInfoDb), specProvider, NullBloomStorage.Instance, logManager);
            var blockhashProvider = new BlockhashProvider(tree, LimboLogs.Instance);
            var virtualMachine    = new VirtualMachine(stateProvider, storageProvider, blockhashProvider, specProvider, logManager);

            var sealValidator   = Always.Valid;
            var headerValidator = new HeaderValidator(tree, sealValidator, specProvider, logManager);
            var txValidator     = Always.Valid;
            var ommersValidator = new OmmersValidator(tree, headerValidator, logManager);
            var blockValidator  = new BlockValidator(txValidator, headerValidator, ommersValidator, specProvider, logManager);

            ISyncConfig syncConfig = _synchronizerType == SynchronizerType.Fast ? SyncConfig.WithFastSync : SyncConfig.WithFullSyncOnly;

            var rewardCalculator = new RewardCalculator(specProvider);
            var txProcessor      = new TransactionProcessor(specProvider, stateProvider, storageProvider, virtualMachine, logManager);
            var blockProcessor   = new BlockProcessor(specProvider, blockValidator, rewardCalculator, txProcessor, stateDb, codeDb, stateProvider, storageProvider, txPool, receiptStorage, logManager);

            var step      = new RecoverSignatures(ecdsa, txPool, specProvider, logManager);
            var processor = new BlockchainProcessor(tree, blockProcessor, step, logManager, BlockchainProcessor.Options.Default);

            var nodeStatsManager = new NodeStatsManager(logManager);
            var syncPeerPool     = new SyncPeerPool(tree, nodeStatsManager, 25, logManager);

            StateProvider   devState            = new StateProvider(stateDb, codeDb, logManager);
            StorageProvider devStorage          = new StorageProvider(stateDb, devState, logManager);
            var             devEvm              = new VirtualMachine(devState, devStorage, blockhashProvider, specProvider, logManager);
            var             devTxProcessor      = new TransactionProcessor(specProvider, devState, devStorage, devEvm, logManager);
            var             devBlockProcessor   = new BlockProcessor(specProvider, blockValidator, rewardCalculator, devTxProcessor, stateDb, codeDb, devState, devStorage, txPool, receiptStorage, logManager);
            var             devChainProcessor   = new BlockchainProcessor(tree, devBlockProcessor, step, logManager, BlockchainProcessor.Options.NoReceipts);
            var             transactionSelector = new TxPoolTxSource(txPool, stateReader, logManager);
            var             producer            = new DevBlockProducer(
                transactionSelector,
                devChainProcessor,
                stateProvider, tree,
                processor,
                txPool,
                Timestamper.Default,
                logManager);

            SyncProgressResolver  resolver     = new SyncProgressResolver(tree, receiptStorage, stateDb, new MemDb(), syncConfig, logManager);
            MultiSyncModeSelector selector     = new MultiSyncModeSelector(resolver, syncPeerPool, syncConfig, logManager);
            Synchronizer          synchronizer = new Synchronizer(
                dbProvider,
                MainnetSpecProvider.Instance,
                tree,
                NullReceiptStorage.Instance,
                blockValidator,
                sealValidator,
                syncPeerPool,
                nodeStatsManager,
                StaticSelector.Full,
                syncConfig,
                logManager);
            var syncServer = new SyncServer(stateDb, codeDb, tree, receiptStorage, Always.Valid, Always.Valid, syncPeerPool, selector, syncConfig, logManager);

            ManualResetEventSlim waitEvent = new ManualResetEventSlim();

            tree.NewHeadBlock += (s, e) => waitEvent.Set();

            if (index == 0)
            {
                _genesis = Build.A.Block.Genesis.WithStateRoot(stateProvider.StateRoot).TestObject;
                producer.Start();
            }

            syncPeerPool.Start();
            synchronizer.Start();
            processor.Start();
            tree.SuggestBlock(_genesis);

            if (!waitEvent.Wait(1000))
            {
                throw new Exception("No genesis");
            }

            SyncTestContext context = new SyncTestContext();

            context.Ecdsa = ecdsa;
            context.BlockchainProcessor = processor;
            context.PeerPool            = syncPeerPool;
            context.StateProvider       = stateProvider;
            context.Synchronizer        = synchronizer;
            context.SyncServer          = syncServer;
            context.Tree          = tree;
            context.BlockProducer = producer;
            context.TxPool        = txPool;
            context.Logger        = logger;
            return(context);
        }
        // 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");
        }
Example #14
0
        public void Test()
        {
            ISpecProvider specProvider = MainnetSpecProvider.Instance;
            DbProvider    dbProvider   = new DbProvider(DbModeHint.Mem);

            dbProvider.RegisterDb(DbNames.BlockInfos, new MemDb());
            dbProvider.RegisterDb(DbNames.Blocks, new MemDb());
            dbProvider.RegisterDb(DbNames.Headers, new MemDb());
            dbProvider.RegisterDb(DbNames.State, new MemDb());
            dbProvider.RegisterDb(DbNames.Code, new MemDb());

            BlockTree blockTree = new BlockTree(
                dbProvider,
                new ChainLevelInfoRepository(dbProvider),
                specProvider,
                NullBloomStorage.Instance,
                LimboLogs.Instance);
            TrieStore trieStore = new TrieStore(
                dbProvider.RegisteredDbs[DbNames.State],
                NoPruning.Instance,
                Archive.Instance,
                LimboLogs.Instance);
            StateProvider stateProvider = new StateProvider(
                trieStore,
                dbProvider.RegisteredDbs[DbNames.Code],
                LimboLogs.Instance);
            StorageProvider   storageProvider   = new StorageProvider(trieStore, stateProvider, LimboLogs.Instance);
            BlockhashProvider blockhashProvider = new BlockhashProvider(blockTree, LimboLogs.Instance);
            VirtualMachine    virtualMachine    = new VirtualMachine(
                stateProvider,
                storageProvider,
                blockhashProvider,
                specProvider,
                LimboLogs.Instance);
            TransactionProcessor txProcessor = new TransactionProcessor(
                specProvider,
                stateProvider,
                storageProvider,
                virtualMachine,
                LimboLogs.Instance);
            BlockProcessor blockProcessor = new BlockProcessor(
                specProvider,
                Always.Valid,
                NoBlockRewards.Instance,
                txProcessor,
                stateProvider,
                storageProvider,
                NullTxPool.Instance,
                NullReceiptStorage.Instance,
                NullWitnessCollector.Instance,
                LimboLogs.Instance);
            BlockchainProcessor blockchainProcessor = new BlockchainProcessor(
                blockTree,
                blockProcessor,
                NullRecoveryStep.Instance,
                LimboLogs.Instance,
                BlockchainProcessor.Options.Default);
            BuildBlocksWhenRequested trigger = new BuildBlocksWhenRequested();
            var timestamper = new ManualTimestamper();
            DevBlockProducer devBlockProducer = new DevBlockProducer(
                EmptyTxSource.Instance,
                blockchainProcessor,
                stateProvider,
                blockTree,
                blockchainProcessor,
                trigger,
                timestamper,
                specProvider,
                new MiningConfig {
                Enabled = true
            },
                LimboLogs.Instance);

            blockchainProcessor.Start();
            devBlockProducer.Start();

            AutoResetEvent autoResetEvent = new AutoResetEvent(false);

            blockTree.NewHeadBlock += (s, e) => autoResetEvent.Set();
            blockTree.SuggestBlock(Build.A.Block.Genesis.TestObject);

            autoResetEvent.WaitOne(1000).Should().BeTrue("genesis");

            trigger.BuildBlock();
            autoResetEvent.WaitOne(1000).Should().BeTrue("1");
            blockTree.Head.Number.Should().Be(1);
        }
Example #15
0
        private SyncTestContext CreateSyncManager(int index)
        {
            Rlp.RegisterDecoders(typeof(ParityTraceDecoder).Assembly);

            var logManager            = NoErrorLimboLogs.Instance;
            ConsoleAsyncLogger logger = new ConsoleAsyncLogger(LogLevel.Debug, "PEER " + index + " ");
//            var logManager = new OneLoggerLogManager(logger);
            var specProvider = new SingleReleaseSpecProvider(ConstantinopleFix.Instance, MainNetSpecProvider.Instance.ChainId);

            MemDb   traceDb     = new MemDb();
            MemDb   blockDb     = new MemDb();
            MemDb   headerDb    = new MemDb();
            MemDb   blockInfoDb = new MemDb();
            StateDb codeDb      = new StateDb();
            StateDb stateDb     = new StateDb();

            var stateProvider = new StateProvider(stateDb, codeDb, logManager);

            stateProvider.CreateAccount(TestItem.AddressA, 10000.Ether());
            stateProvider.Commit(specProvider.GenesisSpec);
            stateProvider.CommitTree();
            stateDb.Commit();

            var storageProvider = new StorageProvider(stateDb, stateProvider, logManager);
            var receiptStorage  = new InMemoryReceiptStorage();

            var ecdsa             = new EthereumEcdsa(specProvider, logManager);
            var txPool            = new TxPool(new InMemoryTransactionStorage(), new PendingTransactionThresholdValidator(), new Timestamp(), ecdsa, specProvider, logManager);
            var tree              = new BlockTree(blockDb, headerDb, blockInfoDb, specProvider, txPool, logManager);
            var blockhashProvider = new BlockhashProvider(tree, LimboLogs.Instance);
            var virtualMachine    = new VirtualMachine(stateProvider, storageProvider, blockhashProvider, logManager);

            var sealValidator   = TestSealValidator.AlwaysValid;
            var headerValidator = new HeaderValidator(tree, sealValidator, specProvider, logManager);
            var txValidator     = TestTxValidator.AlwaysValid;
            var ommersValidator = new OmmersValidator(tree, headerValidator, logManager);
            var blockValidator  = new BlockValidator(txValidator, headerValidator, ommersValidator, specProvider, logManager);
//            var blockValidator = TestBlockValidator.AlwaysValid;

            SyncConfig syncConfig = new SyncConfig();

            syncConfig.FastSync = _synchronizerType == SynchronizerType.Fast;

            var rewardCalculator = new RewardCalculator(specProvider);
            var txProcessor      = new TransactionProcessor(specProvider, stateProvider, storageProvider, virtualMachine, logManager);
            var blockProcessor   = new BlockProcessor(specProvider, blockValidator, rewardCalculator, txProcessor, stateDb, codeDb, traceDb, stateProvider, storageProvider, txPool, receiptStorage, syncConfig, logManager);

            var step      = new TxSignaturesRecoveryStep(ecdsa, txPool, logManager);
            var processor = new BlockchainProcessor(tree, blockProcessor, step, logManager, true, true);

            var nodeStatsManager = new NodeStatsManager(new StatsConfig(), logManager);
            var syncPeerPool     = new EthSyncPeerPool(tree, nodeStatsManager, syncConfig, logManager);

            StateProvider   devState          = new StateProvider(stateDb, codeDb, logManager);
            StorageProvider devStorage        = new StorageProvider(stateDb, devState, logManager);
            var             devEvm            = new VirtualMachine(devState, devStorage, blockhashProvider, logManager);
            var             devTxProcessor    = new TransactionProcessor(specProvider, devState, devStorage, devEvm, logManager);
            var             devBlockProcessor = new BlockProcessor(specProvider, blockValidator, rewardCalculator, devTxProcessor, stateDb, codeDb, traceDb, devState, devStorage, txPool, receiptStorage, syncConfig, logManager);
            var             devChainProcessor = new BlockchainProcessor(tree, devBlockProcessor, step, logManager, false, false);
            var             producer          = new DevBlockProducer(txPool, devChainProcessor, tree, new Timestamp(), logManager);

            NodeDataFeed       feed         = new NodeDataFeed(codeDb, stateDb, logManager);
            NodeDataDownloader downloader   = new NodeDataDownloader(syncPeerPool, feed, logManager);
            Synchronizer       synchronizer = new Synchronizer(
                tree,
                blockValidator,
                sealValidator,
                syncPeerPool, syncConfig, downloader, logManager);
            var syncServer = new SyncServer(stateDb, codeDb, tree, receiptStorage, TestSealValidator.AlwaysValid, syncPeerPool, synchronizer, logManager);

            ManualResetEventSlim waitEvent = new ManualResetEventSlim();

            tree.NewHeadBlock += (s, e) => waitEvent.Set();

            if (index == 0)
            {
                _genesis = Build.A.Block.Genesis.WithStateRoot(stateProvider.StateRoot).TestObject;
                producer.Start();
            }

            syncPeerPool.Start();
            synchronizer.Start();
            processor.Start();
            tree.SuggestBlock(_genesis);

            if (!waitEvent.Wait(1000))
            {
                throw new Exception("No genesis");
            }

            SyncTestContext context = new SyncTestContext();

            context.Ecdsa = ecdsa;
            context.BlockchainProcessor = processor;
            context.PeerPool            = syncPeerPool;
            context.StateProvider       = stateProvider;
            context.Synchronizer        = synchronizer;
            context.SyncServer          = syncServer;
            context.Tree          = tree;
            context.BlockProducer = producer;
            context.TxPool        = txPool;
            context.Logger        = logger;
            return(context);
        }
Example #16
0
        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);
            });
        }
Example #17
0
            public ProcessingTestContext StartProcessor()
            {
                _processor.Start();

                return(this);
            }
            public On CreateNode(PrivateKey privateKey, bool withGenesisAlreadyProcessed = false)
            {
                AutoResetEvent newHeadBlockEvent = new AutoResetEvent(false);

                _blockEvents.Add(privateKey, newHeadBlockEvent);

                MemDb blocksDb    = new MemDb();
                MemDb blockInfoDb = new MemDb();

                TransactionPool transactionPool = new TransactionPool(new InMemoryTransactionStorage(), new PendingTransactionThresholdValidator(), _timestamp, _ethereumSigner, GoerliSpecProvider.Instance, NullLogManager.Instance);

                _pools[privateKey] = transactionPool;

                BlockTree blockTree = new BlockTree(blocksDb, blockInfoDb, GoerliSpecProvider.Instance, transactionPool, NullLogManager.Instance);

                blockTree.NewHeadBlock += (sender, args) => { _blockEvents[privateKey].Set(); };

                BlockhashProvider blockhashProvider = new BlockhashProvider(blockTree);

                _blockTrees.Add(privateKey, blockTree);

                EthereumSigner   ethereumSigner   = new EthereumSigner(GoerliSpecProvider.Instance, NullLogManager.Instance);
                CliqueSealEngine cliqueSealEngine = new CliqueSealEngine(_cliqueConfig, ethereumSigner, privateKey, new MemDb(), blockTree, NullLogManager.Instance);

                cliqueSealEngine.CanSeal = true;

                ISnapshotableDb stateDb = new StateDb();
                ISnapshotableDb codeDb  = new StateDb();
                IDb             traceDb = new MemDb();

                StateProvider stateProvider = new StateProvider(new StateTree(stateDb), codeDb, NullLogManager.Instance);

                stateProvider.CreateAccount(TestObject.PrivateKeyD.Address, 100.Ether());
                stateProvider.Commit(GoerliSpecProvider.Instance.GenesisSpec);

                _genesis.StateRoot       = _genesis3Validators.StateRoot = stateProvider.StateRoot;
                _genesis.Hash            = BlockHeader.CalculateHash(_genesis.Header);
                _genesis3Validators.Hash = BlockHeader.CalculateHash(_genesis3Validators.Header);

                StorageProvider      storageProvider      = new StorageProvider(stateDb, stateProvider, NullLogManager.Instance);
                TransactionProcessor transactionProcessor = new TransactionProcessor(GoerliSpecProvider.Instance, stateProvider, storageProvider, new VirtualMachine(stateProvider, storageProvider, blockhashProvider, NullLogManager.Instance), NullLogManager.Instance);
                BlockProcessor       blockProcessor       = new BlockProcessor(GoerliSpecProvider.Instance, TestBlockValidator.AlwaysValid, new NoBlockRewards(), transactionProcessor, stateDb, codeDb, traceDb, stateProvider, storageProvider, transactionPool, NullReceiptStorage.Instance, NullLogManager.Instance);
                BlockchainProcessor  processor            = new BlockchainProcessor(blockTree, blockProcessor, new AuthorRecoveryStep(cliqueSealEngine), NullLogManager.Instance, false, false);

                processor.Start();

                StateProvider        minerStateProvider        = new StateProvider(new StateTree(stateDb), codeDb, NullLogManager.Instance);
                StorageProvider      minerStorageProvider      = new StorageProvider(stateDb, minerStateProvider, NullLogManager.Instance);
                VirtualMachine       minerVirtualMachine       = new VirtualMachine(minerStateProvider, minerStorageProvider, blockhashProvider, NullLogManager.Instance);
                TransactionProcessor minerTransactionProcessor = new TransactionProcessor(GoerliSpecProvider.Instance, minerStateProvider, minerStorageProvider, minerVirtualMachine, NullLogManager.Instance);
                BlockProcessor       minerBlockProcessor       = new BlockProcessor(GoerliSpecProvider.Instance, TestBlockValidator.AlwaysValid, new NoBlockRewards(), minerTransactionProcessor, stateDb, codeDb, traceDb, minerStateProvider, minerStorageProvider, transactionPool, NullReceiptStorage.Instance, NullLogManager.Instance);
                BlockchainProcessor  minerProcessor            = new BlockchainProcessor(blockTree, minerBlockProcessor, new AuthorRecoveryStep(cliqueSealEngine), NullLogManager.Instance, false, false);

                if (withGenesisAlreadyProcessed)
                {
                    ProcessGenesis(privateKey);
                }

                CliqueBlockProducer blockProducer = new CliqueBlockProducer(transactionPool, minerProcessor, blockTree, minerStateProvider, _timestamp, new CryptoRandom(), cliqueSealEngine, _cliqueConfig, privateKey.Address, NullLogManager.Instance);

                blockProducer.Start();

                _producers.Add(privateKey, blockProducer);

                return(this);
            }
Example #19
0
        protected async Task <EthereumTestResult> RunTest(BlockchainTest test, Stopwatch?stopwatch = null)
        {
            TestContext.Write($"Running {test.Name} at {DateTime.UtcNow:HH:mm:ss.ffffff}");
            Assert.IsNull(test.LoadFailure, "test data loading failure");

            IDb stateDb = new MemDb();
            IDb codeDb  = new MemDb();

            ISpecProvider specProvider;

            if (test.NetworkAfterTransition != null)
            {
                specProvider = new CustomSpecProvider(1,
                                                      (0, Frontier.Instance),
                                                      (1, test.Network),
                                                      (test.TransitionBlockNumber, test.NetworkAfterTransition));
            }
            else
            {
                specProvider = new CustomSpecProvider(1,
                                                      (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");
            }

            bool isNetworkAfterTransitionLondon = test.NetworkAfterTransition == London.Instance;

            HeaderDecoder.Eip1559TransitionBlock = isNetworkAfterTransitionLondon ? test.TransitionBlockNumber : long.MaxValue;

            DifficultyCalculator.Wrapped = new EthashDifficultyCalculator(specProvider);
            IRewardCalculator rewardCalculator = new RewardCalculator(specProvider);

            IEthereumEcdsa ecdsa = new EthereumEcdsa(specProvider.ChainId, _logManager);

            TrieStore      trieStore     = new(stateDb, _logManager);
            IStateProvider stateProvider = new StateProvider(trieStore, codeDb, _logManager);
            MemDb          blockInfoDb   = new MemDb();
            IBlockTree     blockTree     = new BlockTree(new MemDb(), new MemDb(), blockInfoDb, new ChainLevelInfoRepository(blockInfoDb), specProvider, NullBloomStorage.Instance, _logManager);
            ITransactionComparerProvider transactionComparerProvider = new TransactionComparerProvider(specProvider, blockTree);
            IStateReader           stateReader           = new StateReader(trieStore, codeDb, _logManager);
            IChainHeadInfoProvider chainHeadInfoProvider = new ChainHeadInfoProvider(specProvider, blockTree, stateReader);
            ITxPool transactionPool = new TxPool(ecdsa, chainHeadInfoProvider, new TxPoolConfig(), new TxValidator(specProvider.ChainId), _logManager, transactionComparerProvider.GetDefaultComparer());

            IReceiptStorage    receiptStorage    = NullReceiptStorage.Instance;
            IBlockhashProvider blockhashProvider = new BlockhashProvider(blockTree, _logManager);
            ITxValidator       txValidator       = new TxValidator(ChainId.Mainnet);
            IHeaderValidator   headerValidator   = new HeaderValidator(blockTree, Sealer, specProvider, _logManager);
            IUnclesValidator   unclesValidator   = new UnclesValidator(blockTree, headerValidator, _logManager);
            IBlockValidator    blockValidator    = new BlockValidator(txValidator, headerValidator, unclesValidator, specProvider, _logManager);
            IStorageProvider   storageProvider   = new StorageProvider(trieStore, stateProvider, _logManager);
            IVirtualMachine    virtualMachine    = new VirtualMachine(
                blockhashProvider,
                specProvider,
                _logManager);

            IBlockProcessor blockProcessor = new BlockProcessor(
                specProvider,
                blockValidator,
                rewardCalculator,
                new BlockProcessor.BlockValidationTransactionsExecutor(
                    new TransactionProcessor(
                        specProvider,
                        stateProvider,
                        storageProvider,
                        virtualMachine,
                        _logManager),
                    stateProvider),
                stateProvider,
                storageProvider,
                receiptStorage,
                NullWitnessCollector.Instance,
                _logManager);

            IBlockchainProcessor blockchainProcessor = new BlockchainProcessor(
                blockTree,
                blockProcessor,
                new RecoverSignatures(ecdsa, NullTxPool.Instance, specProvider, _logManager),
                _logManager,
                BlockchainProcessor.Options.NoReceipts);

            InitializeTestState(test, stateProvider, storageProvider, specProvider);

            List <(Block Block, string ExpectedException)> correctRlp = new();

            for (int i = 0; i < test.Blocks.Length; i++)
            {
                try
                {
                    TestBlockJson testBlockJson  = test.Blocks[i];
                    var           rlpContext     = Bytes.FromHexString(testBlockJson.Rlp).AsRlpStream();
                    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 uncleIndex = 0; uncleIndex < suggestedBlock.Uncles.Length; uncleIndex++)
                    {
                        Assert.AreEqual(new Keccak(testBlockJson.UncleHeaders[uncleIndex].Hash), suggestedBlock.Uncles[uncleIndex].Hash, "hash of the uncle");
                    }

                    correctRlp.Add((suggestedBlock, testBlockJson.ExpectedException));
                }
                catch (Exception)
                {
                    _logger?.Info($"Invalid RLP ({i})");
                }
            }

            if (correctRlp.Count == 0)
            {
                EthereumTestResult result;
                if (test.GenesisBlockHeader is null)
                {
                    result = new EthereumTestResult(test.Name, "Genesis block header missing in the test spec.");
                }
                else if (!new Keccak(test.GenesisBlockHeader.Hash).Equals(test.LastBlockHash))
                {
                    result = new EthereumTestResult(test.Name, "Genesis hash mismatch");
                }
                else
                {
                    result = new EthereumTestResult(test.Name, null, true);
                }

                return(result);
            }

            if (test.GenesisRlp == null)
            {
                test.GenesisRlp = Rlp.Encode(new Block(JsonToEthereumTest.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(false);

            blockTree.NewHeadBlock += (_, args) =>
            {
                if (args.Block.Number == 0)
                {
                    Assert.AreEqual(genesisBlock.Header.StateRoot, stateProvider.StateRoot, "genesis state root");
                    genesisProcessed.Set();
                }
            };

            blockchainProcessor.Start();
            blockTree.SuggestBlock(genesisBlock);

            genesisProcessed.WaitOne();

            for (int i = 0; i < correctRlp.Count; i++)
            {
                stopwatch?.Start();
                try
                {
                    if (correctRlp[i].ExpectedException != null)
                    {
                        _logger.Info($"Expecting block exception: {correctRlp[i].ExpectedException}");
                    }

                    if (correctRlp[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(correctRlp[i].Block))
                    {
                        blockTree.SuggestBlock(correctRlp[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");

            return(new EthereumTestResult
                   (
                       test.Name,
                       null,
                       differences.Count == 0
                   ));
        }
Example #20
0
        protected async Task RunTest(BlockchainTest test, Stopwatch stopwatch = null)
        {
            LoggingTraceListener traceListener = new LoggingTraceListener();
            // TODO: not supported in .NET Core, need to replace?
//            Debug.Listeners.Clear();
//            Debug.Listeners.Add(traceListener);

            IDbProvider dbProvider = new MemDbProvider(_logManager);
            StateTree   stateTree  = new StateTree(dbProvider.GetOrCreateStateDb());


            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");
            }

            IDifficultyCalculator difficultyCalculator = new DifficultyCalculator(specProvider);
            IRewardCalculator     rewardCalculator     = new RewardCalculator(specProvider);

            IBlockTree            blockTree            = new BlockTree(new MemDb(), new MemDb(), new MemDb(), specProvider, _logManager);
            IBlockhashProvider    blockhashProvider    = new BlockhashProvider(blockTree);
            ISignatureValidator   signatureValidator   = new SignatureValidator(ChainId.MainNet);
            ITransactionValidator transactionValidator = new TransactionValidator(signatureValidator);
            IHeaderValidator      headerValidator      = new HeaderValidator(difficultyCalculator, blockTree, SealEngine, specProvider, _logManager);
            IOmmersValidator      ommersValidator      = new OmmersValidator(blockTree, headerValidator, _logManager);
            IBlockValidator       blockValidator       = new BlockValidator(transactionValidator, headerValidator, ommersValidator, specProvider, _logManager);
            IStateProvider        stateProvider        = new StateProvider(stateTree, dbProvider.GetOrCreateCodeDb(), _logManager);
            IStorageProvider      storageProvider      = new StorageProvider(dbProvider, stateProvider, _logManager);
            IVirtualMachine       virtualMachine       = new VirtualMachine(
                stateProvider,
                storageProvider,
                blockhashProvider,
                _logManager);

            ISealEngine       sealEngine       = new EthashSealEngine(new Ethash(_logManager), _logManager);
            ITransactionStore transactionStore = new TransactionStore();
            IEthereumSigner   signer           = new EthereumSigner(specProvider, _logManager);
            IBlockProcessor   blockProcessor   = new BlockProcessor(
                specProvider,
                blockValidator,
                rewardCalculator,
                new TransactionProcessor(
                    specProvider,
                    stateProvider,
                    storageProvider,
                    virtualMachine,
                    NullTracer.Instance,
                    _logManager),
                dbProvider,
                stateProvider,
                storageProvider,
                transactionStore,
                _logManager);

            IBlockchainProcessor blockchainProcessor = new BlockchainProcessor(blockTree,
                                                                               sealEngine,
                                                                               transactionStore, difficultyCalculator, blockProcessor, signer, _logManager);

            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     = Hex.ToBytes(testBlockJson.Rlp).AsRlpContext();
                    Block         suggestedBlock = Rlp.Decode <Block>(rlpContext);
                    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 e)
                {
                    _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");

            blockTree.NewHeadBlock += (sender, args) =>
            {
                if (args.Block.Number == 0)
                {
                    Assert.AreEqual(genesisBlock.Header.StateRoot, stateTree.RootHash, "genesis state root");
                }
            };

            blockchainProcessor.Start();
            blockTree.SuggestBlock(genesisBlock);

            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 (blockValidator.ValidateSuggestedBlock(correctRlpsBlocks[i].Block))
                    {
                        blockTree.SuggestBlock(correctRlpsBlocks[i].Block);
                    }
                    else
                    {
                        Console.WriteLine("Invalid block");
                    }
                }
                catch (InvalidBlockException ex)
                {
                }
                catch (Exception ex)
                {
                    _logger?.Info(ex.ToString());
                }
            }

            await blockchainProcessor.StopAsync(true);

            stopwatch?.Stop();

            RunAssertions(test, blockTree.RetrieveHeadBlock(), storageProvider, stateProvider);
        }
        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);
        }
Example #22
0
            public On CreateNode(PrivateKey privateKey, bool withGenesisAlreadyProcessed = false)
            {
                if (_logger.IsInfo)
                {
                    _logger.Info($"CREATING NODE {privateKey.Address}");
                }
                _logManagers[privateKey] = LimboLogs.Instance;
//                _logManagers[privateKey] = new OneLoggerLogManager(new ConsoleAsyncLogger(LogLevel.Debug, $"{privateKey.Address} "));
                var nodeLogManager = _logManagers[privateKey];

                AutoResetEvent newHeadBlockEvent = new AutoResetEvent(false);

                _blockEvents.Add(privateKey, newHeadBlockEvent);

                MemDb blocksDb    = new MemDb();
                MemDb headersDb   = new MemDb();
                MemDb blockInfoDb = new MemDb();

                MemDb stateDb = new MemDb();
                MemDb codeDb  = new MemDb();

                ISpecProvider specProvider = RinkebySpecProvider.Instance;

                var           trieStore     = new TrieStore(stateDb, nodeLogManager);
                StateReader   stateReader   = new StateReader(trieStore, codeDb, nodeLogManager);
                StateProvider stateProvider = new StateProvider(trieStore, codeDb, nodeLogManager);

                stateProvider.CreateAccount(TestItem.PrivateKeyD.Address, 100.Ether());
                GoerliSpecProvider goerliSpecProvider = GoerliSpecProvider.Instance;

                stateProvider.Commit(goerliSpecProvider.GenesisSpec);
                stateProvider.CommitTree(0);

                BlockTree blockTree = new BlockTree(blocksDb, headersDb, blockInfoDb, new ChainLevelInfoRepository(blockInfoDb), goerliSpecProvider, NullBloomStorage.Instance, nodeLogManager);

                blockTree.NewHeadBlock += (sender, args) => { _blockEvents[privateKey].Set(); };
                ITransactionComparerProvider transactionComparerProvider =
                    new TransactionComparerProvider(specProvider, blockTree);

                TxPool.TxPool txPool = new TxPool.TxPool(new InMemoryTxStorage(), _ethereumEcdsa, new ChainHeadInfoProvider(new FixedBlockChainHeadSpecProvider(GoerliSpecProvider.Instance), blockTree, stateProvider), new TxPoolConfig(), new TxValidator(goerliSpecProvider.ChainId), _logManager, transactionComparerProvider.GetDefaultComparer());
                _pools[privateKey] = txPool;

                BlockhashProvider blockhashProvider = new BlockhashProvider(blockTree, LimboLogs.Instance);

                _blockTrees.Add(privateKey, blockTree);

                SnapshotManager snapshotManager = new SnapshotManager(_cliqueConfig, blocksDb, blockTree, _ethereumEcdsa, nodeLogManager);

                _snapshotManager[privateKey] = snapshotManager;
                CliqueSealer cliqueSealer = new CliqueSealer(new Signer(ChainId.Goerli, privateKey, LimboLogs.Instance), _cliqueConfig, snapshotManager, nodeLogManager);



                _genesis.Header.StateRoot       = _genesis3Validators.Header.StateRoot = stateProvider.StateRoot;
                _genesis.Header.Hash            = _genesis.Header.CalculateHash();
                _genesis3Validators.Header.Hash = _genesis3Validators.Header.CalculateHash();

                StorageProvider      storageProvider      = new StorageProvider(trieStore, stateProvider, nodeLogManager);
                TransactionProcessor transactionProcessor = new TransactionProcessor(goerliSpecProvider, stateProvider, storageProvider, new VirtualMachine(stateProvider, storageProvider, blockhashProvider, specProvider, nodeLogManager), nodeLogManager);

                BlockProcessor blockProcessor = new BlockProcessor(
                    goerliSpecProvider,
                    Always.Valid,
                    NoBlockRewards.Instance,
                    transactionProcessor,
                    stateProvider,
                    storageProvider,
                    txPool,
                    NullReceiptStorage.Instance,
                    NullWitnessCollector.Instance,
                    nodeLogManager);

                BlockchainProcessor processor = new BlockchainProcessor(blockTree, blockProcessor, new AuthorRecoveryStep(snapshotManager), nodeLogManager, BlockchainProcessor.Options.NoReceipts);

                processor.Start();

                var minerTrieStore = trieStore.AsReadOnly();

                StateProvider        minerStateProvider        = new StateProvider(minerTrieStore, codeDb, nodeLogManager);
                StorageProvider      minerStorageProvider      = new StorageProvider(minerTrieStore, minerStateProvider, nodeLogManager);
                VirtualMachine       minerVirtualMachine       = new VirtualMachine(minerStateProvider, minerStorageProvider, blockhashProvider, specProvider, nodeLogManager);
                TransactionProcessor minerTransactionProcessor = new TransactionProcessor(goerliSpecProvider, minerStateProvider, minerStorageProvider, minerVirtualMachine, nodeLogManager);

                BlockProcessor minerBlockProcessor = new BlockProcessor(
                    goerliSpecProvider,
                    Always.Valid,
                    NoBlockRewards.Instance,
                    minerTransactionProcessor,
                    minerStateProvider,
                    minerStorageProvider,
                    txPool,
                    NullReceiptStorage.Instance,
                    NullWitnessCollector.Instance,
                    nodeLogManager);

                BlockchainProcessor minerProcessor = new BlockchainProcessor(blockTree, minerBlockProcessor, new AuthorRecoveryStep(snapshotManager), nodeLogManager, BlockchainProcessor.Options.NoReceipts);

                if (withGenesisAlreadyProcessed)
                {
                    ProcessGenesis(privateKey);
                }

                ITxFilterPipeline   txFilterPipeline = TxFilterPipelineBuilder.CreateStandardFilteringPipeline(nodeLogManager, specProvider);
                TxPoolTxSource      txPoolTxSource   = new TxPoolTxSource(txPool, stateReader, specProvider, transactionComparerProvider, nodeLogManager, txFilterPipeline);
                CliqueBlockProducer blockProducer    = new CliqueBlockProducer(
                    txPoolTxSource,
                    minerProcessor,
                    minerStateProvider,
                    blockTree,
                    _timestamper,
                    new CryptoRandom(),
                    snapshotManager,
                    cliqueSealer,
                    new TargetAdjustedGasLimitCalculator(goerliSpecProvider, new MiningConfig()),
                    MainnetSpecProvider.Instance,
                    _cliqueConfig,
                    nodeLogManager);

                blockProducer.Start();

                _producers.Add(privateKey, blockProducer);

                return(this);
            }
Example #23
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();
        }
        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;
        }
Example #25
0
        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");
        }
Example #26
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);
        }
Example #27
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;
        }