// 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");
}
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");
}
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");
}
