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;
/* 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();
MemDb traceDb = new MemDb();
TxPool txPool = new 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, 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(5 * timeMultiplier), NullLogManager.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, 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($"Loading ChainSpec from {path}");
ChainSpec chainSpec = loader.Load(File.ReadAllText(path));
foreach (var allocation in chainSpec.Allocations)
{
stateProvider.CreateAccount(allocation.Key, allocation.Value.Balance);
if (allocation.Value.Code != null)
{
Keccak codeHash = stateProvider.UpdateCode(allocation.Value.Code);
stateProvider.UpdateCodeHash(allocation.Key, codeHash, specProvider.GenesisSpec);
}
}
stateProvider.Commit(specProvider.GenesisSpec);
chainSpec.Genesis.Header.StateRoot = stateProvider.StateRoot; // TODO: shall it be HeaderSpec and not BlockHeader?
chainSpec.Genesis.Header.Hash = BlockHeader.CalculateHash(chainSpec.Genesis.Header);
if (chainSpec.Genesis.Hash != new Keccak("0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d"))
{
throw new Exception("Unexpected genesis hash");
}
/* start processing */
blockTree.SuggestBlock(chainSpec.Genesis);
blockchainProcessor.Start();
MinedBlockProducer minedBlockProducer = new MinedBlockProducer(difficultyCalculator, txPool, blockchainProcessor, sealer, blockTree, timestamper, NullLogManager.Instance);
minedBlockProducer.Start();
ManualResetEventSlim manualResetEvent = new ManualResetEventSlim(false);
blockTree.NewHeadBlock += (sender, args) =>
{
if (args.Block.Number == 6)
{
manualResetEvent.Set();
}
};
manualResetEvent.Wait(miningDelay * 12 * timeMultiplier);
await minedBlockProducer.StopAsync();
int previousCount = 0;
int totalTx = 0;
for (int i = 0; i < 6; i++)
{
Block block = blockTree.FindBlock(i, BlockTreeLookupOptions.None);
logger.Info($"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, GethTraceOptions.Default);
Assert.AreSame(GethLikeTxTrace.QuickFail, trace);
Assert.AreNotEqual(previousCount, currentCount, $"receipts at block {i}");
totalTx += block.Transactions.Length;
}
previousCount = currentCount;
}
Assert.AreNotEqual(0, totalTx, "no tx in blocks");
}
public void Dispose()
{
BlockProducer?.StopAsync();
CodeDb?.Dispose();
StateDb?.Dispose();
}
public On CreateNode(PrivateKey privateKey, bool withGenesisAlreadyProcessed = false)
{
if (_logger.IsInfo)
{
_logger.Info($"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);
}
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 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 InMemoryTxStorage(), new Timestamper(), ecdsa, specProvider, new TxPoolConfig(), stateProvider, logManager);
var tree = new BlockTree(blockDb, headerDb, blockInfoDb, new ChainLevelInfoRepository(blockInfoDb), specProvider, txPool, logManager);
var blockhashProvider = new BlockhashProvider(tree, LimboLogs.Instance);
var virtualMachine = new VirtualMachine(stateProvider, storageProvider, blockhashProvider, specProvider, 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, 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, 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, traceDb, devState, devStorage, txPool, receiptStorage, logManager);
var devChainProcessor = new BlockchainProcessor(tree, devBlockProcessor, step, logManager, false, false);
var producer = new DevBlockProducer(txPool, devChainProcessor, tree, new Timestamper(), logManager);
NodeDataFeed feed = new NodeDataFeed(codeDb, stateDb, logManager);
NodeDataDownloader downloader = new NodeDataDownloader(syncPeerPool, feed, logManager);
Synchronizer synchronizer = new Synchronizer(
MainNetSpecProvider.Instance,
tree,
NullReceiptStorage.Instance,
blockValidator,
sealValidator,
syncPeerPool, syncConfig, downloader, nodeStatsManager, logManager);
var syncServer = new SyncServer(stateDb, codeDb, tree, receiptStorage, TestSealValidator.AlwaysValid, syncPeerPool, synchronizer, 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);
}
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 async Task RunTest(BlockchainTest test, Stopwatch stopwatch = null)
{
Assert.IsNull(test.LoadFailure, "test data loading failure");
// TODO: not supported in .NET Core, need to replace?
// LoggingTraceListener traceListener = new LoggingTraceListener();
// Debug.Listeners.Clear();
// Debug.Listeners.Add(traceListener);
ISnapshotableDb stateDb = new StateDb();
ISnapshotableDb codeDb = new StateDb();
IDb traceDb = new MemDb();
StateTree stateTree = new StateTree(stateDb);
ISpecProvider specProvider;
if (test.NetworkAfterTransition != null)
{
specProvider = new CustomSpecProvider(
(0, Frontier.Instance),
(1, test.Network),
(test.TransitionBlockNumber, test.NetworkAfterTransition));
}
else
{
specProvider = new CustomSpecProvider(
(0, Frontier.Instance), // TODO: this thing took a lot of time to find after it was removed!, genesis block is always initialized with Frontier
(1, test.Network));
}
if (specProvider.GenesisSpec != Frontier.Instance)
{
Assert.Fail("Expected genesis spec to be Frontier for blockchain tests");
}
DifficultyCalculator.Wrapped = new DifficultyCalculator(specProvider);
IRewardCalculator rewardCalculator = new RewardCalculator(specProvider);
IEthereumSigner signer = new EthereumSigner(specProvider, _logManager);
ITransactionPool transactionPool = new TransactionPool(NullTransactionStorage.Instance,
new PendingTransactionThresholdValidator(), new Timestamp(), signer, _logManager);
IReceiptStorage receiptStorage = NullReceiptStorage.Instance;
IBlockTree blockTree = new BlockTree(new MemDb(), new MemDb(), specProvider, transactionPool, _logManager);
IBlockhashProvider blockhashProvider = new BlockhashProvider(blockTree);
ISignatureValidator signatureValidator = new SignatureValidator(ChainId.MainNet);
ITransactionValidator transactionValidator = new TransactionValidator(signatureValidator);
IHeaderValidator headerValidator = new HeaderValidator(blockTree, SealEngine, specProvider, _logManager);
IOmmersValidator ommersValidator = new OmmersValidator(blockTree, headerValidator, _logManager);
IBlockValidator blockValidator = new BlockValidator(transactionValidator, headerValidator, ommersValidator, specProvider, _logManager);
IStateProvider stateProvider = new StateProvider(stateTree, codeDb, _logManager);
IStorageProvider storageProvider = new StorageProvider(stateDb, stateProvider, _logManager);
IVirtualMachine virtualMachine = new VirtualMachine(
stateProvider,
storageProvider,
blockhashProvider,
_logManager);
IBlockProcessor blockProcessor = new BlockProcessor(
specProvider,
blockValidator,
rewardCalculator,
new TransactionProcessor(
specProvider,
stateProvider,
storageProvider,
virtualMachine,
_logManager),
stateDb,
codeDb,
traceDb,
stateProvider,
storageProvider,
transactionPool,
receiptStorage,
_logManager);
IBlockchainProcessor blockchainProcessor = new BlockchainProcessor(
blockTree,
blockProcessor,
new TxSignaturesRecoveryStep(signer, NullTransactionPool.Instance),
_logManager,
false,
false);
InitializeTestState(test, stateProvider, storageProvider, specProvider);
List <(Block Block, string ExpectedException)> correctRlpsBlocks = new List <(Block, string)>();
for (int i = 0; i < test.Blocks.Length; i++)
{
try
{
TestBlockJson testBlockJson = test.Blocks[i];
var rlpContext = Bytes.FromHexString(testBlockJson.Rlp).AsRlpContext();
Block suggestedBlock = Rlp.Decode <Block>(rlpContext);
suggestedBlock.Header.SealEngineType = test.SealEngineUsed ? SealEngineType.Ethash : SealEngineType.None;
Assert.AreEqual(new Keccak(testBlockJson.BlockHeader.Hash), suggestedBlock.Header.Hash, "hash of the block");
for (int ommerIndex = 0; ommerIndex < suggestedBlock.Ommers.Length; ommerIndex++)
{
Assert.AreEqual(new Keccak(testBlockJson.UncleHeaders[ommerIndex].Hash), suggestedBlock.Ommers[ommerIndex].Hash, "hash of the ommer");
}
correctRlpsBlocks.Add((suggestedBlock, testBlockJson.ExpectedException));
}
catch (Exception)
{
_logger?.Info($"Invalid RLP ({i})");
}
}
if (correctRlpsBlocks.Count == 0)
{
Assert.AreEqual(new Keccak(test.GenesisBlockHeader.Hash), test.LastBlockHash);
return;
}
if (test.GenesisRlp == null)
{
test.GenesisRlp = Rlp.Encode(new Block(Convert(test.GenesisBlockHeader)));
}
Block genesisBlock = Rlp.Decode <Block>(test.GenesisRlp.Bytes);
Assert.AreEqual(new Keccak(test.GenesisBlockHeader.Hash), genesisBlock.Header.Hash, "genesis header hash");
ManualResetEvent genesisProcessed = new ManualResetEvent(false);
blockTree.NewHeadBlock += (sender, args) =>
{
if (args.Block.Number == 0)
{
Assert.AreEqual(genesisBlock.Header.StateRoot, stateTree.RootHash, "genesis state root");
genesisProcessed.Set();
}
};
blockchainProcessor.Start();
blockTree.SuggestBlock(genesisBlock);
genesisProcessed.WaitOne();
for (int i = 0; i < correctRlpsBlocks.Count; i++)
{
stopwatch?.Start();
try
{
if (correctRlpsBlocks[i].ExpectedException != null)
{
_logger.Info($"Expecting block exception: {correctRlpsBlocks[i].ExpectedException}");
}
if (correctRlpsBlocks[i].Block.Hash == null)
{
throw new Exception($"null hash in {test.Name} block {i}");
}
// TODO: mimic the actual behaviour where block goes through validating sync manager?
if (!test.SealEngineUsed || blockValidator.ValidateSuggestedBlock(correctRlpsBlocks[i].Block))
{
blockTree.SuggestBlock(correctRlpsBlocks[i].Block);
}
else
{
Console.WriteLine("Invalid block");
}
}
catch (InvalidBlockException)
{
}
catch (Exception ex)
{
_logger?.Info(ex.ToString());
}
}
await blockchainProcessor.StopAsync(true);
stopwatch?.Stop();
List <string> differences = RunAssertions(test, blockTree.RetrieveHeadBlock(), storageProvider, stateProvider);
// if (differences.Any())
// {
// BlockTrace blockTrace = blockchainProcessor.TraceBlock(blockTree.BestSuggested.Hash);
// _logger.Info(new UnforgivingJsonSerializer().Serialize(blockTrace, true));
// }
Assert.Zero(differences.Count, "differences");
}
protected EthereumTestResult RunTest(GeneralStateTest test, ITxTracer txTracer)
{
TestContext.Write($"Running {test.Name} at {DateTime.UtcNow:HH:mm:ss.ffffff}");
Stopwatch stopwatch = Stopwatch.StartNew();
Assert.IsNull(test.LoadFailure, "test data loading failure");
ISnapshotableDb stateDb = new StateDb();
ISnapshotableDb codeDb = new StateDb();
ISpecProvider 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.Fork));
if (specProvider.GenesisSpec != Frontier.Instance)
{
Assert.Fail("Expected genesis spec to be Frontier for blockchain tests");
}
IStateProvider stateProvider = new StateProvider(stateDb, codeDb, _logManager);
IBlockhashProvider blockhashProvider = new TestBlockhashProvider();
IStorageProvider storageProvider = new StorageProvider(stateDb, stateProvider, _logManager);
IVirtualMachine virtualMachine = new VirtualMachine(
stateProvider,
storageProvider,
blockhashProvider,
specProvider,
_logManager);
TransactionProcessor transactionProcessor = new TransactionProcessor(
specProvider,
stateProvider,
storageProvider,
virtualMachine,
_logManager);
InitializeTestState(test, stateProvider, storageProvider, specProvider);
BlockHeader header = new BlockHeader(test.PreviousHash, Keccak.OfAnEmptySequenceRlp, test.CurrentCoinbase, test.CurrentDifficulty, test.CurrentNumber, test.CurrentGasLimit, test.CurrentTimestamp, new byte[0]);
header.StateRoot = test.PostHash;
header.Hash = Keccak.Compute("1");
stateProvider.Commit(specProvider.GenesisSpec);
stateProvider.CommitTree();
transactionProcessor.Execute(test.Transaction, header, txTracer);
stateProvider.Commit(specProvider.GenesisSpec);
stateProvider.CommitTree();
// '@winsvega added a 0-wei reward to the miner , so we had to add that into the state test execution phase. He needed it for retesteth.'
if (!stateProvider.AccountExists(test.CurrentCoinbase))
{
stateProvider.CreateAccount(test.CurrentCoinbase, 0);
}
stateProvider.RecalculateStateRoot();
List <string> differences = RunAssertions(test, stateProvider);
EthereumTestResult testResult = new EthereumTestResult();
testResult.Pass = differences.Count == 0;
testResult.Fork = test.ForkName;
testResult.Name = test.Name;
testResult.TimeInMs = (int)stopwatch.Elapsed.TotalMilliseconds;
testResult.StateRoot = stateProvider.StateRoot;
// Assert.Zero(differences.Count, "differences");
return(testResult);
}
public void Initial_take_snapshot()
{
StateDb db = new StateDb(new MemDb());
Assert.AreEqual(-1, db.TakeSnapshot());
}
public void GlobalSetup()
{
ISnapshotableDb codeDb = new StateDb();
ISnapshotableDb stateDb = new StateDb();
IDb blockInfoDb = new MemDb(10, 5);
ISpecProvider specProvider = MainnetSpecProvider.Instance;
IReleaseSpec spec = MainnetSpecProvider.Instance.GenesisSpec;
StateProvider stateProvider = new StateProvider(stateDb, codeDb, LimboLogs.Instance);
stateProvider.CreateAccount(Address.Zero, 1000.Ether());
stateProvider.Commit(spec);
StorageProvider storageProvider = new StorageProvider(stateDb, stateProvider, LimboLogs.Instance);
StateReader stateReader = new StateReader(stateDb, codeDb, LimboLogs.Instance);
ChainLevelInfoRepository chainLevelInfoRepository = new ChainLevelInfoRepository(blockInfoDb);
BlockTree blockTree = new BlockTree(new MemDb(), new MemDb(), blockInfoDb, chainLevelInfoRepository, specProvider, NullTxPool.Instance, NullBloomStorage.Instance, LimboLogs.Instance);
_blockhashProvider = new BlockhashProvider(blockTree, LimboLogs.Instance);
_virtualMachine = new VirtualMachine(stateProvider, storageProvider, _blockhashProvider, specProvider, LimboLogs.Instance);
Block genesisBlock = Build.A.Block.Genesis.TestObject;
blockTree.SuggestBlock(genesisBlock);
Block block1 = Build.A.Block.WithParent(genesisBlock).WithNumber(1).TestObject;
blockTree.SuggestBlock(block1);
TransactionProcessor transactionProcessor
= new TransactionProcessor(MainnetSpecProvider.Instance, stateProvider, storageProvider, _virtualMachine, LimboLogs.Instance);
BlockProcessor blockProcessor = new BlockProcessor(specProvider, Always.Valid, new RewardCalculator(specProvider), transactionProcessor,
stateDb, codeDb, stateProvider, storageProvider, NullTxPool.Instance, NullReceiptStorage.Instance, LimboLogs.Instance);
BlockchainProcessor blockchainProcessor = new BlockchainProcessor(
blockTree,
blockProcessor,
new TxSignaturesRecoveryStep(new EthereumEcdsa(specProvider, LimboLogs.Instance), NullTxPool.Instance, LimboLogs.Instance),
LimboLogs.Instance,
false);
blockchainProcessor.Process(genesisBlock, ProcessingOptions.None, NullBlockTracer.Instance);
blockchainProcessor.Process(block1, ProcessingOptions.None, NullBlockTracer.Instance);
IBloomStorage bloomStorage = new BloomStorage(new BloomConfig(), new MemDb(), new InMemoryDictionaryFileStoreFactory());
BlockchainBridge bridge = new BlockchainBridge(
stateReader,
stateProvider,
storageProvider,
blockTree,
NullTxPool.Instance,
NullReceiptStorage.Instance,
NullFilterStore.Instance,
NullFilterManager.Instance,
new DevWallet(new WalletConfig(), LimboLogs.Instance),
transactionProcessor,
new EthereumEcdsa(MainnetSpecProvider.Instance, LimboLogs.Instance),
bloomStorage,
LimboLogs.Instance,
false);
_ethModule = new EthModule(new JsonRpcConfig(), bridge, LimboLogs.Instance);
}
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);
}
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();
ISnapshotableDb stateDb = new StateDb();
ISnapshotableDb codeDb = new StateDb();
ISpecProvider specProvider = RinkebySpecProvider.Instance;
StateReader stateReader = new StateReader(stateDb, codeDb, nodeLogManager);
StateProvider stateProvider = new StateProvider(stateDb, codeDb, nodeLogManager);
stateProvider.CreateAccount(TestItem.PrivateKeyD.Address, 100.Ether());
stateProvider.Commit(GoerliSpecProvider.Instance.GenesisSpec);
stateProvider.CommitTree();
TxPool.TxPool txPool = new TxPool.TxPool(new InMemoryTxStorage(), _ethereumEcdsa, GoerliSpecProvider.Instance, new TxPoolConfig(), stateProvider, _logManager);
_pools[privateKey] = txPool;
BlockTree blockTree = new BlockTree(blocksDb, headersDb, blockInfoDb, new ChainLevelInfoRepository(blockInfoDb), GoerliSpecProvider.Instance, NullBloomStorage.Instance, nodeLogManager);
blockTree.NewHeadBlock += (sender, args) => { _blockEvents[privateKey].Set(); };
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(stateDb, stateProvider, nodeLogManager);
TransactionProcessor transactionProcessor = new TransactionProcessor(GoerliSpecProvider.Instance, stateProvider, storageProvider, new VirtualMachine(stateProvider, storageProvider, blockhashProvider, specProvider, nodeLogManager), nodeLogManager);
BlockProcessor blockProcessor = new BlockProcessor(GoerliSpecProvider.Instance, Always.Valid, NoBlockRewards.Instance, transactionProcessor, stateDb, codeDb, stateProvider, storageProvider, txPool, NullReceiptStorage.Instance, nodeLogManager);
BlockchainProcessor processor = new BlockchainProcessor(blockTree, blockProcessor, new AuthorRecoveryStep(snapshotManager), nodeLogManager, BlockchainProcessor.Options.NoReceipts);
processor.Start();
StateProvider minerStateProvider = new StateProvider(stateDb, codeDb, nodeLogManager);
StorageProvider minerStorageProvider = new StorageProvider(stateDb, minerStateProvider, nodeLogManager);
VirtualMachine minerVirtualMachine = new VirtualMachine(minerStateProvider, minerStorageProvider, blockhashProvider, specProvider, nodeLogManager);
TransactionProcessor minerTransactionProcessor = new TransactionProcessor(GoerliSpecProvider.Instance, minerStateProvider, minerStorageProvider, minerVirtualMachine, nodeLogManager);
BlockProcessor minerBlockProcessor = new BlockProcessor(GoerliSpecProvider.Instance, Always.Valid, NoBlockRewards.Instance, minerTransactionProcessor, stateDb, codeDb, minerStateProvider, minerStorageProvider, txPool, NullReceiptStorage.Instance, nodeLogManager);
BlockchainProcessor minerProcessor = new BlockchainProcessor(blockTree, minerBlockProcessor, new AuthorRecoveryStep(snapshotManager), nodeLogManager, BlockchainProcessor.Options.NoReceipts);
if (withGenesisAlreadyProcessed)
{
ProcessGenesis(privateKey);
}
TxPoolTxSource txPoolTxSource = new TxPoolTxSource(txPool, stateReader, nodeLogManager);
CliqueBlockProducer blockProducer = new CliqueBlockProducer(
txPoolTxSource,
minerProcessor,
minerStateProvider,
blockTree,
_timestamper,
new CryptoRandom(),
snapshotManager,
cliqueSealer,
new TargetAdjustedGasLimitCalculator(GoerliSpecProvider.Instance, new MiningConfig()),
_cliqueConfig,
nodeLogManager);
blockProducer.Start();
_producers.Add(privateKey, blockProducer);
return(this);
}
// 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);
StateReader stateReader = new StateReader(stateDb, codeDb, logManager);
/* store & validation */
EthereumEcdsa ecdsa = new EthereumEcdsa(specProvider.ChainId, logManager);
MemColumnsDb <ReceiptsColumns> receiptsDb = new MemColumnsDb <ReceiptsColumns>();
TxPool.TxPool txPool = new TxPool.TxPool(NullTxStorage.Instance, Timestamper.Default, ecdsa, specProvider, new TxPoolConfig(), stateProvider, logManager);
IReceiptStorage receiptStorage = new PersistentReceiptStorage(receiptsDb, specProvider, new ReceiptsRecovery());
var blockInfoDb = new MemDb();
BlockTree blockTree = new BlockTree(new MemDb(), new MemDb(), blockInfoDb, new ChainLevelInfoRepository(blockInfoDb), specProvider, txPool, NullBloomStorage.Instance, logManager);
ITimestamper timestamper = Timestamper.Default;
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, BlockchainProcessor.Options.NoReceipts);
/* 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 TxPoolTxSource(txPool, stateReader, 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");
}
/*
* also need to test:
* BALANCE
* EXTCODECOPY
* CALLDATACOPY
* GASPRICE
* CREATE
*/
private static GethLikeTxTracer RunVirtualMachine(byte[] code)
{
GethLikeTxTracer txTracer = new GethLikeTxTracer(GethTraceOptions.Default);
IDb stateDbDevice = new MemDb();
IDb codeDbDevice = new MemDb();
ISnapshotableDb stateDb = new StateDb(stateDbDevice);
ISnapshotableDb codeDb = new StateDb(codeDbDevice);
IStateProvider stateProvider = new StateProvider(stateDb, codeDb, LimboLogs.Instance);
IStorageProvider storageProvider = new StorageProvider(stateDb, stateProvider, LimboLogs.Instance);
IStateUpdateHashProvider stateUpdateHashProvider = new StateUpdateHashProvider();
ISpecProvider specProvider = new CatalystSpecProvider();
// these values will be set by the tx processor within the state update logic
ExecutionEnvironment env = new ExecutionEnvironment();
env.Originator = Address.Zero; // tx sender
env.Sender = Address.Zero; // sender of this call for a given call depth
env.ExecutingAccount =
Address.Zero; // account in which context the code is executed, it may be different from the code source when invoking a lib
env.Value = 1
.Kat(); // sometimes the value is just a description of an upper level call to be used by a an invoke library method
env.TransferValue = 1.Kat(); // this is the actual value transferred from sender to recipient
env.GasPrice = 0; // conversion from gas units to FULs
env.InputData =
new byte[0]; // only needed for contracts requiring input (ensure that this is not limited to 60bytes)
env.CallDepth = 0; // zero when starting tx
StateUpdate stateUpdate = new StateUpdate(); // Catalyst single state update context (all phases together)
stateUpdate.Difficulty =
1; // some metric describing the state update that is relevant for consensus
stateUpdate.Number = 1; // state update sequence number
stateUpdate.Timestamp = 1; // state update T0
stateUpdate.GasLimit = 1_000_000; // max gas units to be available for this tx inside the kvm
stateUpdate.GasBeneficiary = Address.Zero; // will get all the gas fees
stateUpdate.GasUsed =
0L; // zero if this is the first transaction in the update (accumulator over txs)
env.CurrentBlock = stateUpdate;
// this would be loaded by the tx processor from the recipient's code storage
CodeInfo codeInfo = new CodeInfo(code);
env.CodeInfo = codeInfo;
env.CodeSource = Address.Zero;
// this would be set by the tx processor that understands the type of transaction
VmState vmState = new VmState(1_000_000L, env, ExecutionType.Transaction, false, true, false);
KatVirtualMachine virtualMachine = new KatVirtualMachine(
stateProvider,
storageProvider,
stateUpdateHashProvider,
specProvider,
new HashProvider(HashingAlgorithm.GetAlgorithmMetadata("keccak-256")),
new FfiWrapper(),
LimboLogs.Instance);
virtualMachine.Run(vmState, txTracer);
return(txTracer);
}
