public void Can_collect_stats()
{
MemDb memDb = new MemDb();
IDb stateDb = memDb;
TrieStore trieStore = new TrieStore(stateDb, new MemoryLimit(0.MB()), Persist.EveryBlock, LimboLogs.Instance);
StateProvider stateProvider = new StateProvider(trieStore, stateDb, LimboLogs.Instance);
StorageProvider storageProvider = new StorageProvider(trieStore, stateProvider, LimboLogs.Instance);
stateProvider.CreateAccount(TestItem.AddressA, 1);
Keccak codeHash = stateProvider.UpdateCode(new byte[] { 1, 2, 3 });
stateProvider.UpdateCodeHash(TestItem.AddressA, codeHash, Istanbul.Instance);
stateProvider.CreateAccount(TestItem.AddressB, 1);
Keccak codeHash2 = stateProvider.UpdateCode(new byte[] { 1, 2, 3, 4 });
stateProvider.UpdateCodeHash(TestItem.AddressB, codeHash2, Istanbul.Instance);
for (int i = 0; i < 1000; i++)
{
StorageCell storageCell = new StorageCell(TestItem.AddressA, (UInt256)i);
storageProvider.Set(storageCell, new byte[] { (byte)i });
}
storageProvider.Commit();
stateProvider.Commit(Istanbul.Instance);
storageProvider.CommitTrees(0);
stateProvider.CommitTree(0);
storageProvider.CommitTrees(1);
stateProvider.CommitTree(1);
memDb.Delete(codeHash2); // missing code
Keccak storageKey = new Keccak("0x345e54154080bfa9e8f20c99d7a0139773926479bc59e5b4f830ad94b6425332");
memDb.Delete(storageKey); // deletes some storage
trieStore.ClearCache();
TrieStatsCollector statsCollector = new TrieStatsCollector(stateDb, LimboLogs.Instance);
stateProvider.Accept(statsCollector, stateProvider.StateRoot);
var stats = statsCollector.Stats;
stats.CodeCount.Should().Be(1);
stats.MissingCode.Should().Be(1);
stats.NodesCount.Should().Be(1348);
stats.StateBranchCount.Should().Be(1);
stats.StateExtensionCount.Should().Be(1);
stats.AccountCount.Should().Be(2);
stats.StorageCount.Should().Be(1343);
stats.StorageBranchCount.Should().Be(337);
stats.StorageExtensionCount.Should().Be(12);
stats.StorageLeafCount.Should().Be(994);
stats.MissingStorage.Should().Be(1);
}
public void Throws_on_theoretical_contract_crash()
{
var contractAddress = Address.OfContract(_senderPublicKey.ToKvmAddress(), 0);
_stateProvider.CreateAccount(contractAddress, 1000.Kat());
var codeHash = _stateProvider.UpdateCode(Bytes.FromHexString("0x01"));
_stateProvider.UpdateCodeHash(contractAddress, codeHash, _specProvider.GenesisSpec);
_stateProvider.Commit(_specProvider.GenesisSpec);
var delta = EntryUtils.PrepareSingleContractEntryDelta(null, _senderPublicKey, 0,
"0x60016000526001601FF300");
delta.PublicEntries[0].GasLimit = 1_000_000L;
delta.PublicEntries[0].ReceiverAddress = ByteString.Empty;
delta.PublicEntries[0].Signature = delta.PublicEntries[0]
.GenerateSignature(_cryptoContext, _senderPrivateKey, _signingContext);
var tracer = Substitute.For <ITxTracer>();
tracer.IsTracingReceipt.Returns(true);
_executor.Execute(delta, tracer);
tracer.Received().MarkAsFailed(contractAddress, 1_000_000L, Arg.Any <byte[]>(), null);
}
private static void InitializeTestState(GeneralStateTest test, StateProvider stateProvider,
IStorageProvider storageProvider, ISpecProvider specProvider)
{
foreach (KeyValuePair <Address, AccountState> accountState in test.Pre)
{
foreach (KeyValuePair <UInt256, byte[]> storageItem in accountState.Value.Storage)
{
storageProvider.Set(new StorageCell(accountState.Key, storageItem.Key),
storageItem.Value.WithoutLeadingZeros().ToArray());
}
stateProvider.CreateAccount(accountState.Key, accountState.Value.Balance);
Keccak codeHash = stateProvider.UpdateCode(accountState.Value.Code);
stateProvider.UpdateCodeHash(accountState.Key, codeHash, specProvider.GenesisSpec);
stateProvider.SetNonce(accountState.Key, accountState.Value.Nonce);
}
storageProvider.Commit();
stateProvider.Commit(specProvider.GenesisSpec);
storageProvider.CommitTrees(0);
stateProvider.CommitTree(0);
storageProvider.Reset();
stateProvider.Reset();
}
private void AddCode(StateProvider stateProvider, Address account, byte[] code)
{
Keccak codeHash = stateProvider.UpdateCode(code);
stateProvider.UpdateCodeHash(account, codeHash, MuirGlacier.Instance);
stateProvider.Commit(MainnetSpecProvider.Instance.GenesisSpec, NullStateTracer.Instance);
}
private void AddCode(StateProvider stateProvider, Address account, byte[] code)
{
Keccak codeHash = stateProvider.UpdateCode(code);
stateProvider.UpdateCodeHash(account, codeHash, MuirGlacier.Instance);
stateProvider.Commit(MainNetSpecProvider.Instance.GenesisSpec, null);
stateProvider.CommitTree();
_dbProvider.CodeDb.Commit();
_dbProvider.StateDb.Commit();
}
public void Eip_158_touch_zero_value_system_account_is_not_deleted()
{
StateProvider provider = new StateProvider(new StateDb(new MemDb()), Substitute.For <IDb>(), Logger);
var systemUser = Address.SystemUser;
provider.CreateAccount(systemUser, 0);
provider.Commit(Homestead.Instance);
var releaseSpec = new ReleaseSpec()
{
IsEip158Enabled = true
};
provider.UpdateCodeHash(systemUser, Keccak.OfAnEmptyString, releaseSpec);
provider.Commit(releaseSpec);
provider.GetAccount(systemUser).Should().NotBeNull();
}
public void Restore_in_the_middle()
{
byte[] code = new byte[] { 1 };
StateProvider provider = new StateProvider(new StateDb(new MemDb()), Substitute.For <IDb>(), Logger);
provider.CreateAccount(_address1, 1);
provider.AddToBalance(_address1, 1, Frontier.Instance);
provider.IncrementNonce(_address1);
Keccak codeHash = provider.UpdateCode(new byte[] { 1 });
provider.UpdateCodeHash(_address1, codeHash, Frontier.Instance);
provider.UpdateStorageRoot(_address1, Hash2);
Assert.AreEqual(UInt256.One, provider.GetNonce(_address1));
Assert.AreEqual(UInt256.One + 1, provider.GetBalance(_address1));
Assert.AreEqual(code, provider.GetCode(_address1));
provider.Restore(4);
Assert.AreEqual(UInt256.One, provider.GetNonce(_address1));
Assert.AreEqual(UInt256.One + 1, provider.GetBalance(_address1));
Assert.AreEqual(code, provider.GetCode(_address1));
provider.Restore(3);
Assert.AreEqual(UInt256.One, provider.GetNonce(_address1));
Assert.AreEqual(UInt256.One + 1, provider.GetBalance(_address1));
Assert.AreEqual(code, provider.GetCode(_address1));
provider.Restore(2);
Assert.AreEqual(UInt256.One, provider.GetNonce(_address1));
Assert.AreEqual(UInt256.One + 1, provider.GetBalance(_address1));
Assert.AreEqual(new byte[0], provider.GetCode(_address1));
provider.Restore(1);
Assert.AreEqual(UInt256.Zero, provider.GetNonce(_address1));
Assert.AreEqual(UInt256.One + 1, provider.GetBalance(_address1));
Assert.AreEqual(new byte[0], provider.GetCode(_address1));
provider.Restore(0);
Assert.AreEqual(UInt256.Zero, provider.GetNonce(_address1));
Assert.AreEqual(UInt256.One, provider.GetBalance(_address1));
Assert.AreEqual(new byte[0], provider.GetCode(_address1));
provider.Restore(-1);
Assert.AreEqual(false, provider.AccountExists(_address1));
}
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);
}
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");
}
// 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");
}
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;
}
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();
}
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;
}
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);
}