public void Storage_proofs_have_values_set_complex_2_setup()
{
byte[] a = Bytes.FromHexString("0x000000000000000000000000000000000000000000aaaaaaaaaaaaaaaaaaaaaa");
byte[] b = Bytes.FromHexString("0x0000000000000000000000000bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb");
byte[] c = Bytes.FromHexString("0x0000000000cccccccccccccccccccccccccccccccccccccccccccccccccccccc");
byte[] d = Bytes.FromHexString("0x0000000000dddddddddddddddddddddddddddddddddddddddddddddddddddddd");
byte[] e = Bytes.FromHexString("0x0000000000eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee");
IDb memDb = new MemDb();
StateTree tree = new StateTree(memDb);
StorageTree storageTree = new StorageTree(memDb);
storageTree.Set(Keccak.Compute(a).Bytes, Rlp.Encode(Bytes.FromHexString("0xab12000000000000000000000000000000000000000000000000000000000000000000000000000000")));
storageTree.Set(Keccak.Compute(b).Bytes, Rlp.Encode(Bytes.FromHexString("0xab34000000000000000000000000000000000000000000000000000000000000000000000000000000")));
storageTree.Set(Keccak.Compute(c).Bytes, Rlp.Encode(Bytes.FromHexString("0xab56000000000000000000000000000000000000000000000000000000000000000000000000000000")));
storageTree.Set(Keccak.Compute(d).Bytes, Rlp.Encode(Bytes.FromHexString("0xab78000000000000000000000000000000000000000000000000000000000000000000000000000000")));
storageTree.Set(Keccak.Compute(e).Bytes, Rlp.Encode(Bytes.FromHexString("0xab9a000000000000000000000000000000000000000000000000000000000000000000000000000000")));
storageTree.Commit();
byte[] code = new byte[] { 1, 2, 3 };
Account account1 = Build.An.Account.WithBalance(1).WithStorageRoot(storageTree.RootHash).TestObject;
Account account2 = Build.An.Account.WithBalance(2).TestObject;
tree.Set(TestItem.AddressA, account1);
tree.Set(TestItem.AddressB, account2);
tree.Commit();
TreeDumper dumper = new TreeDumper();
tree.Accept(dumper, tree.RootHash, true);
Console.WriteLine(dumper.ToString());
AccountProofCollector accountProofCollector = new AccountProofCollector(TestItem.AddressA, new byte[][] { a, b, c, d, e });
tree.Accept(accountProofCollector, tree.RootHash, true);
AccountProof proof = accountProofCollector.BuildResult();
Assert.AreEqual("0xab12000000000000000000000000000000000000000000000000000000000000000000000000000000", proof.StorageProofs[0].Value.ToHexString(true));
Assert.AreEqual("0xab34000000000000000000000000000000000000000000000000000000000000000000000000000000", proof.StorageProofs[1].Value.ToHexString(true));
Assert.AreEqual("0xab56000000000000000000000000000000000000000000000000000000000000000000000000000000", proof.StorageProofs[2].Value.ToHexString(true));
Assert.AreEqual("0xab78000000000000000000000000000000000000000000000000000000000000000000000000000000", proof.StorageProofs[3].Value.ToHexString(true));
Assert.AreEqual("0xab9a000000000000000000000000000000000000000000000000000000000000000000000000000000", proof.StorageProofs[4].Value.ToHexString(true));
}
public void Proof_path_is_filled()
{
StateTree tree = new StateTree();
byte[] code = new byte[] { 1, 2, 3 };
Account account1 = Build.An.Account.WithBalance(1).WithStorageRoot(TestItem.KeccakA).TestObject;
Account account2 = Build.An.Account.WithBalance(2).TestObject;
tree.Set(TestItem.AddressA, account1);
tree.Set(TestItem.AddressB, account2);
tree.Commit();
AccountProofCollector accountProofCollector = new AccountProofCollector(TestItem.AddressA);
tree.Accept(accountProofCollector, tree.RootHash, true);
AccountProof proof = accountProofCollector.BuildResult();
Assert.AreEqual(3, proof.Proof.Length);
}
public void Storage_proofs_length_is_as_expected()
{
StateTree tree = new StateTree();
byte[] code = new byte[] { 1, 2, 3 };
Account account1 = Build.An.Account.WithBalance(1).WithStorageRoot(TestItem.KeccakA).TestObject;
Account account2 = Build.An.Account.WithBalance(2).TestObject;
tree.Set(TestItem.AddressA, account1);
tree.Set(TestItem.AddressB, account2);
tree.Commit();
AccountProofCollector accountProofCollector = new AccountProofCollector(TestItem.AddressA, new[] { Bytes.FromHexString("0x0000000000000000000000000000000000000000000000000000000000000000"), Bytes.FromHexString("0x0000000000000000000000000000000000000000000000000000000000000001") });
tree.Accept(accountProofCollector, tree.RootHash, true);
AccountProof proof = accountProofCollector.BuildResult();
Assert.AreEqual(2, proof.StorageProofs.Length);
}
public void Storage_proofs_have_values_set_selective_setup()
{
Keccak a = new Keccak("0x000000000000000000000000000000000000000000aaaaaaaaaaaaaaaaaaaaaa");
Keccak b = new Keccak("0x0000000000000000000000000bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb");
Keccak c = new Keccak("0x00000000001ccccccccccccccccccccccccccccccccccccccccccccccccccccc");
Keccak d = new Keccak("0x00000000001ddddddddddddddddddddddddddddddddddddddddddddddddddddd");
Keccak e = new Keccak("0x00000000001eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee");
IDb memDb = new MemDb();
StateTree tree = new StateTree(memDb);
StorageTree storageTree = new StorageTree(memDb);
storageTree.Set(a.Bytes, Rlp.Encode(Bytes.FromHexString("0xab12000000000000000000000000000000000000000000000000000000000000000000000000000000")));
storageTree.Set(b.Bytes, Rlp.Encode(Bytes.FromHexString("0xab34000000000000000000000000000000000000000000000000000000000000000000000000000000")));
storageTree.Set(c.Bytes, Rlp.Encode(Bytes.FromHexString("0xab56000000000000000000000000000000000000000000000000000000000000000000000000000000")));
storageTree.Set(d.Bytes, Rlp.Encode(Bytes.FromHexString("0xab78000000000000000000000000000000000000000000000000000000000000000000000000000000")));
storageTree.Set(e.Bytes, Rlp.Encode(Bytes.FromHexString("0xab9a000000000000000000000000000000000000000000000000000000000000000000000000000000")));
storageTree.Commit();
byte[] code = new byte[] { 1, 2, 3 };
Account account1 = Build.An.Account.WithBalance(1).WithStorageRoot(storageTree.RootHash).TestObject;
Account account2 = Build.An.Account.WithBalance(2).TestObject;
tree.Set(TestItem.AddressA, account1);
tree.Set(TestItem.AddressB, account2);
tree.Commit();
TreeDumper dumper = new TreeDumper();
tree.Accept(dumper, memDb, tree.RootHash);
Console.WriteLine(dumper.ToString());
ProofCollector proofCollector = new ProofCollector(TestItem.AddressA, new Keccak[] { a, c, e });
tree.Accept(proofCollector, memDb, tree.RootHash);
AccountProof proof = proofCollector.BuildResult();
Assert.AreEqual("0xab12000000000000000000000000000000000000000000000000000000000000000000000000000000", proof.StorageProofs[0].Value.ToHexString(true));
Assert.AreEqual("0xab56000000000000000000000000000000000000000000000000000000000000000000000000000000", proof.StorageProofs[1].Value.ToHexString(true));
Assert.AreEqual("0xab9a000000000000000000000000000000000000000000000000000000000000000000000000000000", proof.StorageProofs[2].Value.ToHexString(true));
}
public void Create_commit_reset_change_balance_get()
{
MemDb db = new MemDb();
Account account = new Account(1);
StateTree stateTree = new StateTree(new TrieStore(db, LimboLogs.Instance), LimboLogs.Instance);
stateTree.Set(TestItem.AddressA, account);
stateTree.Commit(0);
Keccak rootHash = stateTree.RootHash;
stateTree.RootHash = null;
stateTree.RootHash = rootHash;
stateTree.Get(TestItem.AddressA);
account = account.WithChangedBalance(2);
stateTree.Set(TestItem.AddressA, account);
stateTree.Commit(0);
Assert.AreEqual(2, db.Keys.Count);
}
public void Non_existing_account_is_valid_even_when_leaf_is_the_last_part_of_the_proof()
{
StateTree tree = new StateTree();
Account account1 = Build.An.Account.WithBalance(1).TestObject;
tree.Set(TestItem.AddressA, account1);
tree.Commit(0);
AccountProofCollector accountProofCollector = new AccountProofCollector(TestItem.AddressC, new UInt256[] { 1, 2, 3 });
tree.Accept(accountProofCollector, tree.RootHash, true);
AccountProof proof = accountProofCollector.BuildResult();
proof.Proof.Should().HaveCount(1);
Assert.AreEqual(TestItem.AddressC, proof.Address);
Assert.AreEqual(Keccak.OfAnEmptyString, proof.CodeHash);
Assert.AreEqual(Keccak.EmptyTreeHash, proof.StorageRoot);
Assert.AreEqual(UInt256.Zero, proof.Balance);
Assert.AreEqual(new byte[] { 0 }, proof.StorageProofs[0].Value);
Assert.AreEqual(new byte[] { 0 }, proof.StorageProofs[1].Value);
Assert.AreEqual(new byte[] { 0 }, proof.StorageProofs[2].Value);
}
public static (StateTree stateTree, StorageTree storageTree) GetTrees(ITrieStore?store)
{
store ??= new TrieStore(new MemDb(), LimboLogs.Instance);
var storageTree = new StorageTree(store, LimboLogs.Instance);
storageTree.Set(SlotsWithPaths[0].Path, SlotsWithPaths[0].SlotRlpValue, false);
storageTree.Set(SlotsWithPaths[1].Path, SlotsWithPaths[1].SlotRlpValue, false);
storageTree.Set(SlotsWithPaths[2].Path, SlotsWithPaths[2].SlotRlpValue, false);
storageTree.Set(SlotsWithPaths[3].Path, SlotsWithPaths[3].SlotRlpValue, false);
storageTree.Set(SlotsWithPaths[4].Path, SlotsWithPaths[4].SlotRlpValue, false);
storageTree.Set(SlotsWithPaths[5].Path, SlotsWithPaths[5].SlotRlpValue, false);
storageTree.Commit(0);
var account = Build.An.Account.WithBalance(1).WithStorageRoot(storageTree.RootHash).TestObject;
var stateTree = new StateTree(store, LimboLogs.Instance);
stateTree.Set(AccountAddress0, account);
stateTree.Commit(0);
return(stateTree, storageTree);
}
// [TestCase(4, 16, 4, 4)]
public void Fuzz_accounts(
int accountsCount,
int blocksCount,
int uniqueValuesCount,
int lookupLimit)
{
string fileName = Path.GetTempFileName();
//string fileName = "C:\\Temp\\fuzz.txt";
_logger.Info(
$"Fuzzing with accounts: {accountsCount}, " +
$"blocks {blocksCount}, " +
$"values: {uniqueValuesCount}, " +
$"lookup: {lookupLimit} into file {fileName}");
using FileStream fileStream = new FileStream(fileName, FileMode.Create);
using StreamWriter streamWriter = new StreamWriter(fileStream);
Queue <Keccak> rootQueue = new Queue <Keccak>();
MemDb memDb = new MemDb();
TrieStore trieStore = new TrieStore(memDb, Prune.WhenCacheReaches(1.MB()), Persist.IfBlockOlderThan(lookupLimit), _logManager);
StateTree patriciaTree = new StateTree(trieStore, _logManager);
byte[][] accounts = new byte[accountsCount][];
byte[][] randomValues = new byte[uniqueValuesCount][];
for (int i = 0; i < randomValues.Length; i++)
{
bool isEmptyValue = _random.Next(0, 2) == 0;
if (isEmptyValue)
{
randomValues[i] = Array.Empty <byte>();
}
else
{
randomValues[i] = GenerateRandomAccountRlp();
}
}
for (int accountIndex = 0; accountIndex < accounts.Length; accountIndex++)
{
byte[] key = new byte[32];
((UInt256)accountIndex).ToBigEndian(key);
accounts[accountIndex] = key;
}
for (int blockNumber = 0; blockNumber < blocksCount; blockNumber++)
{
bool isEmptyBlock = _random.Next(5) == 0;
if (!isEmptyBlock)
{
for (int i = 0; i < Math.Max(1, accountsCount / 8); i++)
{
int randomAccountIndex = _random.Next(accounts.Length);
int randomValueIndex = _random.Next(randomValues.Length);
byte[] account = accounts[randomAccountIndex];
byte[] value = randomValues[randomValueIndex];
streamWriter.WriteLine(
$"Block {blockNumber} - setting {account.ToHexString()} = {value.ToHexString()}");
patriciaTree.Set(account, value);
}
}
streamWriter.WriteLine(
$"Commit block {blockNumber} | empty: {isEmptyBlock}");
patriciaTree.UpdateRootHash();
patriciaTree.Commit(blockNumber);
rootQueue.Enqueue(patriciaTree.RootHash);
}
streamWriter.Flush();
fileStream.Seek(0, SeekOrigin.Begin);
streamWriter.WriteLine($"DB size: {memDb.Keys.Count}");
_logger.Info($"DB size: {memDb.Keys.Count}");
int verifiedBlocks = 0;
while (rootQueue.TryDequeue(out Keccak currentRoot))
{
try
{
patriciaTree.RootHash = currentRoot;
for (int i = 0; i < accounts.Length; i++)
{
patriciaTree.Get(accounts[i]);
}
_logger.Info($"Verified positive {verifiedBlocks}");
}
catch (Exception ex)
{
if (verifiedBlocks % lookupLimit == 0)
{
throw new InvalidDataException(ex.ToString());
}
else
{
_logger.Info($"Verified negative {verifiedBlocks}");
}
}
verifiedBlocks++;
}
}
private async Task InitBlockchain(InitParams initParams)
{
ChainSpec chainSpec = LoadChainSpec(initParams.ChainSpecPath);
/* spec */
// TODO: rebuild to use chainspec
ISpecProvider specProvider;
if (chainSpec.ChainId == RopstenSpecProvider.Instance.ChainId)
{
specProvider = RopstenSpecProvider.Instance;
}
else if (chainSpec.ChainId == MainNetSpecProvider.Instance.ChainId)
{
specProvider = MainNetSpecProvider.Instance;
}
else
{
throw new NotSupportedException($"Not yet tested, not yet supported ChainId {chainSpec.ChainId}");
}
var ethereumSigner = new EthereumSigner(specProvider, _logManager);
var transactionStore = new TransactionStore();
var sealEngine = ConfigureSealEngine(transactionStore, ethereumSigner, initParams);
/* sync */
var blocksDb = new DbOnTheRocks(Path.Combine(_dbBasePath, DbOnTheRocks.BlocksDbPath));
var blockInfosDb = new DbOnTheRocks(Path.Combine(_dbBasePath, DbOnTheRocks.BlockInfosDbPath));
var receiptsDb = new DbOnTheRocks(Path.Combine(_dbBasePath, DbOnTheRocks.ReceiptsDbPath));
/* blockchain */
var blockTree = new BlockTree(blocksDb, blockInfosDb, receiptsDb, specProvider, _logManager);
var difficultyCalculator = new DifficultyCalculator(specProvider);
/* validation */
var headerValidator = new HeaderValidator(difficultyCalculator, blockTree, sealEngine, specProvider, _logManager);
var ommersValidator = new OmmersValidator(blockTree, headerValidator, _logManager);
var txValidator = new TransactionValidator(new SignatureValidator(specProvider.ChainId));
var blockValidator = new BlockValidator(txValidator, headerValidator, ommersValidator, specProvider, _logManager);
/* state */
var dbProvider = new RocksDbProvider(_dbBasePath, _logManager);
var codeDb = new DbOnTheRocks(Path.Combine(_dbBasePath, DbOnTheRocks.CodeDbPath));
var stateDb = new DbOnTheRocks(Path.Combine(_dbBasePath, DbOnTheRocks.StateDbPath));
var stateTree = new StateTree(stateDb);
var stateProvider = new StateProvider(stateTree, codeDb, _logManager);
var storageProvider = new StorageProvider(dbProvider, stateProvider, _logManager);
/* blockchain processing */
var blockhashProvider = new BlockhashProvider(blockTree);
var virtualMachine = new VirtualMachine(stateProvider, storageProvider, blockhashProvider, _logManager);
var transactionProcessor = new TransactionProcessor(specProvider, stateProvider, storageProvider, virtualMachine, _tracer, _logManager);
var rewardCalculator = new RewardCalculator(specProvider);
var blockProcessor = new BlockProcessor(specProvider, blockValidator, rewardCalculator, transactionProcessor, dbProvider, stateProvider, storageProvider, transactionStore, _logManager);
_blockchainProcessor = new BlockchainProcessor(blockTree, sealEngine, transactionStore, difficultyCalculator, blockProcessor, ethereumSigner, _logManager);
// create shared objects between discovery and peer manager
_nodeFactory = new NodeFactory();
_nodeStatsProvider = new NodeStatsProvider(_configProvider);
var jsonSerializer = new JsonSerializer(_logManager);
var encrypter = new AesEncrypter(_configProvider, _logManager);
_keyStore = new FileKeyStore(_configProvider, jsonSerializer, encrypter, _cryptoRandom, _logManager);
//creating blockchain bridge
BlockchainBridge = new BlockchainBridge(ethereumSigner, stateProvider, _keyStore, blockTree, stateDb, transactionStore);
EthereumSigner = ethereumSigner;
_blockchainProcessor.Start();
LoadGenesisBlock(chainSpec, string.IsNullOrWhiteSpace(initParams.GenesisHash) ? null : new Keccak(initParams.GenesisHash), blockTree, stateProvider, specProvider);
await StartProcessing(blockTree, transactionStore, blockValidator, headerValidator, txValidator, initParams);
}
private static void InitBlockchain(ChainSpec chainSpec, bool isMining, int miningDelay)
{
/* spec */
var blockMiningTime = TimeSpan.FromMilliseconds(miningDelay);
var transactionDelay = TimeSpan.FromMilliseconds(miningDelay / 4);
var specProvider = RopstenSpecProvider.Instance;
var difficultyCalculator = new DifficultyCalculator(specProvider);
// var sealEngine = new EthashSealEngine(new Ethash());
var sealEngine = new FakeSealEngine(blockMiningTime, false);
/* sync */
var transactionStore = new TransactionStore();
var blockTree = new BlockTree(RopstenSpecProvider.Instance, ChainLogger);
/* validation */
var headerValidator = new HeaderValidator(difficultyCalculator, blockTree, sealEngine, specProvider, ChainLogger);
var ommersValidator = new OmmersValidator(blockTree, headerValidator, ChainLogger);
var txValidator = new TransactionValidator(new SignatureValidator(ChainId.Ropsten));
var blockValidator = new BlockValidator(txValidator, headerValidator, ommersValidator, specProvider, ChainLogger);
/* state */
var dbProvider = new DbProvider(StateLogger);
var codeDb = new InMemoryDb();
var stateDb = new InMemoryDb();
var stateTree = new StateTree(stateDb);
var stateProvider = new StateProvider(stateTree, StateLogger, codeDb);
var storageProvider = new StorageProvider(dbProvider, stateProvider, StateLogger);
var storageDbProvider = new DbProvider(StateLogger);
/* blockchain */
var ethereumSigner = new EthereumSigner(specProvider, ChainLogger);
/* blockchain processing */
var blockhashProvider = new BlockhashProvider(blockTree);
var virtualMachine = new VirtualMachine(specProvider, stateProvider, storageProvider, blockhashProvider, EvmLogger);
var transactionProcessor = new TransactionProcessor(specProvider, stateProvider, storageProvider, virtualMachine, ethereumSigner, ChainLogger);
var rewardCalculator = new RewardCalculator(specProvider);
var blockProcessor = new BlockProcessor(specProvider, blockValidator, rewardCalculator, transactionProcessor, storageDbProvider, stateProvider, storageProvider, transactionStore, ChainLogger);
_blockchainProcessor = new BlockchainProcessor(blockTree, sealEngine, transactionStore, difficultyCalculator, blockProcessor, ChainLogger);
/* genesis */
foreach (KeyValuePair <Address, BigInteger> allocation in chainSpec.Allocations)
{
stateProvider.CreateAccount(allocation.Key, allocation.Value);
}
stateProvider.Commit(specProvider.GenesisSpec);
var testTransactionsGenerator = new TestTransactionsGenerator(transactionStore, ethereumSigner, transactionDelay, ChainLogger);
stateProvider.CreateAccount(testTransactionsGenerator.SenderAddress, 1000.Ether());
stateProvider.Commit(specProvider.GenesisSpec);
if (isMining)
{
testTransactionsGenerator.Start();
}
Block genesis = chainSpec.Genesis;
genesis.Header.StateRoot = stateProvider.StateRoot;
genesis.Header.RecomputeHash();
// we are adding test transactions account so the state root will change (not an actual ropsten at the moment)
// var expectedGenesisHash = "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d";
// if (chainSpec.Genesis.Hash != new Keccak(expectedGenesisHash))
// {
// throw new Exception($"Unexpected genesis hash for Ropsten, expected {expectedGenesisHash}, but was {chainSpec.Genesis.Hash}");
// }
/* start test processing */
sealEngine.IsMining = isMining;
_blockchainProcessor.Start();
blockTree.AddBlock(genesis);
_syncManager = new SynchronizationManager(
blockTree,
blockValidator,
headerValidator,
transactionStore,
txValidator,
NetworkLogger);
_syncManager.Start();
}
public void _Test_storage_failed_case(string historicallyFailingCase)
{
string[] lines = historicallyFailingCase.Split(Environment.NewLine);
int storageCount = lines.Length - 2;
IDb memDb = new MemDb();
TrieStore trieStore = new TrieStore(memDb, LimboLogs.Instance);
StateTree tree = new StateTree(trieStore, LimboLogs.Instance);
Address address = new Address(Bytes.FromHexString(lines[0]));
int accountIndex = int.Parse(lines[1]);
UInt256[] indexes = new UInt256[storageCount];
for (int j = 0; j < storageCount; j++)
{
indexes[j] = UInt256.Parse(lines[j + 2].Replace("storage: ", string.Empty));
}
AddressWithStorage addressWithStorage = new AddressWithStorage();
addressWithStorage.StorageCells = new StorageCell[storageCount];
addressWithStorage.Address = address;
StorageTree storageTree = new StorageTree(trieStore, Keccak.EmptyTreeHash, LimboLogs.Instance);
for (int j = 0; j < storageCount; j++)
{
UInt256 index = UInt256.Parse(lines[j + 2].Replace("storage: ", string.Empty));
StorageCell storageCell = new StorageCell(address, index);
addressWithStorage.StorageCells[j] = storageCell;
byte[] rawKey = new byte[32];
addressWithStorage.StorageCells[j].Index.ToBigEndian(rawKey);
TestContext.WriteLine($"Set {Keccak.Compute(rawKey).Bytes.ToHexString()}");
storageTree.Set(addressWithStorage.StorageCells[j].Index, new byte[] { 1 });
storageTree.UpdateRootHash();
storageTree.Commit(0);
}
Account account = Build.An.Account.WithBalance((UInt256)accountIndex).WithStorageRoot(storageTree.RootHash).TestObject;
tree.Set(addressWithStorage.Address, account);
tree.UpdateRootHash();
tree.Commit(0);
TreeDumper treeDumper = new TreeDumper();
tree.Accept(treeDumper, tree.RootHash, true);
TestContext.WriteLine(treeDumper.ToString());
AccountProofCollector collector = new AccountProofCollector(address, indexes);
tree.Accept(collector, tree.RootHash, true);
AccountProof accountProof = collector.BuildResult();
accountProof.Address.Should().Be(address);
accountProof.Balance.Should().Be((UInt256)accountIndex);
accountProof.Nonce.Should().Be(0);
accountProof.CodeHash.Should().Be(Keccak.OfAnEmptyString);
if (accountIndex != 0)
{
accountProof.StorageRoot.Should().NotBe(Keccak.EmptyTreeHash);
}
accountProof.StorageProofs.Length.Should().Be(accountIndex);
for (int j = 0; j < accountProof.StorageProofs.Length; j++)
{
TrieNode node = new TrieNode(NodeType.Unknown, accountProof.StorageProofs[j].Proof.Last());
node.ResolveNode(new TrieStore(memDb, NullLogManager.Instance));
if (node.Value.Length != 1)
{
TestContext.WriteLine($"{j}");
// throw new InvalidDataException($"{j}");
}
}
}
public PastState(StateTree stateTree, DateTime timestamp, object action)
{
this.stateTree = (StateTree)stateTree.Clone();
this.timestamp = timestamp;
this.action = action;
}
private async Task InitBlockchain()
{
/* spec */
if (_chainSpec.ChainId == RopstenSpecProvider.Instance.ChainId)
{
_specProvider = RopstenSpecProvider.Instance;
}
else if (_chainSpec.ChainId == MainNetSpecProvider.Instance.ChainId)
{
_specProvider = MainNetSpecProvider.Instance;
}
else if (_chainSpec.ChainId == RinkebySpecProvider.Instance.ChainId)
{
_specProvider = RinkebySpecProvider.Instance;
}
else if (_chainSpec.ChainId == GoerliSpecProvider.Instance.ChainId)
{
_specProvider = GoerliSpecProvider.Instance;
}
else if (_chainSpec.ChainId == SturebySpecProvider.Instance.ChainId)
{
_specProvider = SturebySpecProvider.Instance;
}
else
{
_specProvider = new SingleReleaseSpecProvider(LatestRelease.Instance, _chainSpec.ChainId);
}
/* sync */
IDbConfig dbConfig = _configProvider.GetConfig <IDbConfig>();
foreach (PropertyInfo propertyInfo in typeof(IDbConfig).GetProperties())
{
_logger.Info($"DB {propertyInfo.Name}: {propertyInfo.GetValue(dbConfig)}");
}
_dbProvider = HiveEnabled
? (IDbProvider) new MemDbProvider()
: new RocksDbProvider(_initConfig.BaseDbPath, dbConfig, _logManager);
_ethereumSigner = new EthereumSigner(_specProvider, _logManager);
_transactionPool = new TransactionPool(
new PersistentTransactionStorage(_dbProvider.PendingTxsDb, _specProvider),
new PendingTransactionThresholdValidator(_initConfig.ObsoletePendingTransactionInterval,
_initConfig.RemovePendingTransactionInterval), new Timestamp(),
_ethereumSigner, _logManager, _initConfig.RemovePendingTransactionInterval,
_initConfig.PeerNotificationThreshold);
_receiptStorage = new PersistentReceiptStorage(_dbProvider.ReceiptsDb, _specProvider);
// IDbProvider debugRecorder = new RocksDbProvider(Path.Combine(_dbBasePath, "debug"), dbConfig);
// _dbProvider = new RpcDbProvider(_jsonSerializer, new BasicJsonRpcClient(KnownRpcUris.NethVm1, _jsonSerializer, _logManager), _logManager, debugRecorder);
// IDbProvider debugReader = new ReadOnlyDbProvider(new RocksDbProvider(Path.Combine(_dbBasePath, "debug"), dbConfig));
// _dbProvider = debugReader;
/* blockchain */
_blockTree = new BlockTree(
_dbProvider.BlocksDb,
_dbProvider.BlockInfosDb,
_specProvider,
_transactionPool,
_logManager);
var cliqueConfig = new CliqueConfig(15, 30000);
var clique = new CliqueSealEngine(cliqueConfig, _ethereumSigner, _nodeKey, _dbProvider.BlocksDb, _blockTree,
_logManager);
clique.CanSeal = _initConfig.IsMining;
// TODO: read seal engine from ChainSpec
_sealEngine =
(_specProvider is MainNetSpecProvider) ? ConfigureSealEngine() :
(_specProvider is RopstenSpecProvider) ? ConfigureSealEngine() :
(_specProvider is SturebySpecProvider) ? ConfigureSealEngine() :
(_specProvider is RinkebySpecProvider) ? clique :
(_specProvider is GoerliSpecProvider) ? (ISealEngine)clique :
NullSealEngine.Instance;
_rewardCalculator = (_sealEngine is CliqueSealEngine)
? (IRewardCalculator) new NoBlockRewards()
: new RewardCalculator(_specProvider);
/* validation */
var headerValidator = new HeaderValidator(
_blockTree,
_sealEngine,
_specProvider,
_logManager);
var ommersValidator = new OmmersValidator(
_blockTree,
headerValidator,
_logManager);
var txValidator = new TransactionValidator(
new SignatureValidator(_specProvider.ChainId));
_blockValidator = new BlockValidator(
txValidator,
headerValidator,
ommersValidator,
_specProvider,
_logManager);
var stateTree = new StateTree(_dbProvider.StateDb);
var stateProvider = new StateProvider(
stateTree,
_dbProvider.CodeDb,
_logManager);
_stateProvider = stateProvider;
var storageProvider = new StorageProvider(
_dbProvider.StateDb,
stateProvider,
_logManager);
_transactionPoolInfoProvider = new TransactionPoolInfoProvider(stateProvider);
/* blockchain processing */
var blockhashProvider = new BlockhashProvider(
_blockTree);
var virtualMachine = new VirtualMachine(
stateProvider,
storageProvider,
blockhashProvider,
_logManager);
var transactionProcessor = new TransactionProcessor(
_specProvider,
stateProvider,
storageProvider,
virtualMachine,
_logManager);
var txRecoveryStep = new TxSignaturesRecoveryStep(_ethereumSigner, _transactionPool);
_recoveryStep = _sealEngine is CliqueSealEngine
? new CompositeDataRecoveryStep(txRecoveryStep, new AuthorRecoveryStep(clique))
: (IBlockDataRecoveryStep)txRecoveryStep;
_blockProcessor = new BlockProcessor(
_specProvider,
_blockValidator,
_rewardCalculator,
transactionProcessor,
_dbProvider.StateDb,
_dbProvider.CodeDb,
_dbProvider.TraceDb,
stateProvider,
storageProvider,
_transactionPool,
_receiptStorage,
_logManager);
_blockchainProcessor = new BlockchainProcessor(
_blockTree,
_blockProcessor,
_recoveryStep,
_logManager,
true,
true);
// create shared objects between discovery and peer manager
_nodeFactory = new NodeFactory(_logManager);
_nodeStatsProvider =
new NodeStatsProvider(_configProvider.GetConfig <IStatsConfig>(), _nodeFactory, _logManager);
var jsonSerializer = new JsonSerializer(
_logManager);
var encrypter = new AesEncrypter(
_configProvider,
_logManager);
_keyStore = new FileKeyStore(
_configProvider,
jsonSerializer,
encrypter,
_cryptoRandom,
_logManager);
if (_initConfig.IsMining)
{
IReadOnlyDbProvider minerDbProvider = new ReadOnlyDbProvider(_dbProvider, false);
AlternativeChain producerChain = new AlternativeChain(_blockTree, _blockValidator, _rewardCalculator,
_specProvider, minerDbProvider, _recoveryStep, _logManager, _transactionPool, _receiptStorage);
if (_sealEngine is CliqueSealEngine engine)
{
// TODO: need to introduce snapshot provider for clique and pass it here instead of CliqueSealEngine
if (_logger.IsWarn)
{
_logger.Warn("Starting Clique block producer & sealer");
}
_blockProducer = new CliqueBlockProducer(_transactionPool, producerChain.Processor, _blockTree,
producerChain.StateProvider, _timestamp, _cryptoRandom, engine, cliqueConfig, _nodeKey.Address,
_logManager);
}
else
{
if (_logger.IsWarn)
{
_logger.Warn("Starting Dev block producer & sealer");
}
_blockProducer = new DevBlockProducer(_transactionPool, producerChain.Processor, _blockTree,
_timestamp, _logManager);
}
_blockProducer.Start();
}
if (!HiveEnabled)
{
_blockchainProcessor.Start();
LoadGenesisBlock(_chainSpec, string.IsNullOrWhiteSpace(_initConfig.GenesisHash) ?
null : new Keccak(_initConfig.GenesisHash), _blockTree, stateProvider, _specProvider);
if (_initConfig.ProcessingEnabled)
{
#pragma warning disable 4014
LoadBlocksFromDb();
#pragma warning restore 4014
}
else
{
if (_logger.IsWarn)
{
_logger.Warn($"Shutting down processor due to {nameof(InitConfig)}.{nameof(InitConfig.ProcessingEnabled)} set to false");
}
await _blockchainProcessor.StopAsync();
}
}
await InitializeNetwork(
_receiptStorage,
headerValidator,
txValidator);
}
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($"Loading ChainSpec from {path}");
ChainSpec chainSpec = loader.Load(File.ReadAllBytes(path));
foreach (KeyValuePair <Address, BigInteger> allocation in chainSpec.Allocations)
{
stateProvider.CreateAccount(allocation.Key, allocation.Value);
}
stateProvider.Commit(specProvider.GenesisSpec);
chainSpec.Genesis.Header.StateRoot = stateProvider.StateRoot; // TODO: shall it be HeaderSpec and not BlockHeader?
chainSpec.Genesis.Header.Hash = BlockHeader.CalculateHash(chainSpec.Genesis.Header);
if (chainSpec.Genesis.Hash != new Keccak("0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d"))
{
throw new Exception("Unexpected genesis hash");
}
/* start processing */
sealEngine.IsMining = true;
var testTransactionsGenerator = new TestTransactionsGenerator(transactionStore, ethereumSigner, blockMiningTime, logger);
testTransactionsGenerator.Start();
blockchainProcessor.Start();
blockTree.SuggestBlock(chainSpec.Genesis);
BigInteger roughlyNumberOfBlocks = 6;
Thread.Sleep(blockMiningTime * (int)roughlyNumberOfBlocks);
await blockchainProcessor.StopAsync(false);
Assert.GreaterOrEqual(blockTree.Head.Number, roughlyNumberOfBlocks - 2, "number of blocks");
Assert.GreaterOrEqual(blockTree.Head.TotalTransactions, roughlyNumberOfBlocks - 2, "number of transactions");
}
private async Task InitBlockchain()
{
ChainSpec chainSpec = LoadChainSpec(_initConfig.ChainSpecPath);
/* spec */
// TODO: rebuild to use chainspec
ISpecProvider specProvider;
if (chainSpec.ChainId == RopstenSpecProvider.Instance.ChainId)
{
specProvider = RopstenSpecProvider.Instance;
}
else if (chainSpec.ChainId == MainNetSpecProvider.Instance.ChainId)
{
specProvider = MainNetSpecProvider.Instance;
}
else
{
throw new NotSupportedException($"Not yet tested, not yet supported ChainId {chainSpec.ChainId}");
}
var ethereumSigner = new EthereumSigner(
specProvider,
_logManager);
var transactionStore = new TransactionStore();
var sealEngine = ConfigureSealEngine(
transactionStore,
ethereumSigner);
/* sync */
IDbConfig dbConfig = _configProvider.GetConfig <IDbConfig>();
foreach (PropertyInfo propertyInfo in typeof(IDbConfig).GetProperties())
{
_logger.Info($"DB {propertyInfo.Name}: {propertyInfo.GetValue(dbConfig)}");
}
var blocksDb = new DbOnTheRocks(
Path.Combine(_dbBasePath, DbOnTheRocks.BlocksDbPath),
dbConfig);
var blockInfosDb = new DbOnTheRocks(
Path.Combine(_dbBasePath, DbOnTheRocks.BlockInfosDbPath),
dbConfig);
var receiptsDb = new DbOnTheRocks(
Path.Combine(_dbBasePath, DbOnTheRocks.ReceiptsDbPath),
dbConfig);
/* blockchain */
_blockTree = new BlockTree(
blocksDb,
blockInfosDb,
receiptsDb,
specProvider,
_logManager);
var difficultyCalculator = new DifficultyCalculator(
specProvider);
/* validation */
var headerValidator = new HeaderValidator(
difficultyCalculator,
_blockTree,
sealEngine,
specProvider,
_logManager);
var ommersValidator = new OmmersValidator(
_blockTree,
headerValidator,
_logManager);
var txValidator = new TransactionValidator(
new SignatureValidator(specProvider.ChainId));
var blockValidator = new BlockValidator(
txValidator,
headerValidator,
ommersValidator,
specProvider,
_logManager);
/* state */
var dbProvider = new RocksDbProvider(
_dbBasePath,
_logManager,
dbConfig);
var stateDb = dbProvider.GetOrCreateStateDb();
var stateTree = new StateTree(stateDb);
var stateProvider = new StateProvider(
stateTree,
dbProvider.GetOrCreateCodeDb(),
_logManager);
var storageProvider = new StorageProvider(
dbProvider,
stateProvider,
_logManager);
/* blockchain processing */
var blockhashProvider = new BlockhashProvider(
_blockTree);
var virtualMachine = new VirtualMachine(
stateProvider,
storageProvider,
blockhashProvider,
_logManager);
var transactionProcessor = new TransactionProcessor(
specProvider,
stateProvider,
storageProvider,
virtualMachine,
_tracer,
_logManager);
var rewardCalculator = new RewardCalculator(
specProvider);
var blockProcessor = new BlockProcessor(
specProvider,
blockValidator,
rewardCalculator,
transactionProcessor,
dbProvider,
stateProvider,
storageProvider,
transactionStore,
_logManager);
_blockchainProcessor = new BlockchainProcessor(
_blockTree,
sealEngine,
transactionStore,
difficultyCalculator,
blockProcessor,
ethereumSigner,
_logManager, _perfService);
// create shared objects between discovery and peer manager
_nodeFactory = new NodeFactory();
_nodeStatsProvider = new NodeStatsProvider(_configProvider.GetConfig <IStatsConfig>(), _nodeFactory, _logManager);
var jsonSerializer = new JsonSerializer(
_logManager);
var encrypter = new AesEncrypter(
_configProvider,
_logManager);
_keyStore = new FileKeyStore(
_configProvider,
jsonSerializer,
encrypter,
_cryptoRandom,
_logManager);
//creating blockchain bridge
BlockchainBridge = new BlockchainBridge(
ethereumSigner,
stateProvider,
_keyStore,
_blockTree,
stateDb,
transactionStore);
EthereumSigner = ethereumSigner;
_blockchainProcessor.Start();
LoadGenesisBlock(chainSpec,
string.IsNullOrWhiteSpace(_initConfig.GenesisHash) ? null : new Keccak(_initConfig.GenesisHash),
_blockTree, stateProvider, specProvider);
#pragma warning disable 4014
LoadBlocksFromDb();
#pragma warning restore 4014
await InitializeNetwork(
transactionStore,
blockValidator,
headerValidator,
txValidator);
}
public Account GetAccount(Address address, Keccak stateRoot)
{
var stateTree = new StateTree(_db, stateRoot);
return(stateTree.Get(address));
}
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");
}
private void button1_Click_1(object sender, EventArgs e)
{
char test = 'a';
StateTree<string> tree = new StateTree<string>(EqualityComparer<string>.Default);
for (int i=0; i<26; i++)
{
char test2 = (char)(test + i);
tree.AddState(test2.ToString());
}
MessageBox.Show(String.Join(",",tree.GetLevel0Children("a", 3)));
MessageBox.Show(String.Join(",",tree.GetChildren("a", 3)));
}
public void Chaotic_test()
{
const int accountsCount = 100;
CryptoRandom random = new CryptoRandom();
List <AddressWithStorage> addressesWithStorage = new List <AddressWithStorage>();
for (int i = 0; i < accountsCount; i++)
{
AddressWithStorage addressWithStorage = new AddressWithStorage();
addressWithStorage.StorageCells = new StorageCell[i];
byte[] addressBytes = random.GenerateRandomBytes(20);
addressWithStorage.Address = new Address(addressBytes);
for (int j = 0; j < i; j++)
{
byte[] storageIndex = random.GenerateRandomBytes(32);
UInt256 index = new UInt256(storageIndex);
StorageCell storageCell = new StorageCell(addressWithStorage.Address, index);
addressWithStorage.StorageCells[j] = storageCell;
}
addressesWithStorage.Add(addressWithStorage);
}
IDb memDb = new MemDb();
TrieStore trieStore = new TrieStore(memDb, LimboLogs.Instance);
StateTree tree = new StateTree(trieStore, LimboLogs.Instance);
for (int i = 0; i < accountsCount; i++)
{
Account account = Build.An.Account.WithBalance((UInt256)i).TestObject;
StorageTree storageTree = new StorageTree(trieStore, Keccak.EmptyTreeHash, LimboLogs.Instance);
for (int j = 0; j < i; j++)
{
storageTree.Set(addressesWithStorage[i].StorageCells[j].Index, new byte[1] {
1
});
}
storageTree.UpdateRootHash();
storageTree.Commit(0);
account = account.WithChangedStorageRoot(storageTree.RootHash);
tree.Set(addressesWithStorage[i].Address, account);
}
tree.UpdateRootHash();
tree.Commit(0);
for (int i = 0; i < accountsCount; i++)
{
AccountProofCollector collector = new AccountProofCollector(addressesWithStorage[i].Address, addressesWithStorage[i].StorageCells.Select(sc => sc.Index).ToArray());
tree.Accept(collector, tree.RootHash, true);
AccountProof accountProof = collector.BuildResult();
accountProof.Address.Should().Be(addressesWithStorage[i].Address);
accountProof.Balance.Should().Be((UInt256)i);
accountProof.Nonce.Should().Be(0);
accountProof.CodeHash.Should().Be(Keccak.OfAnEmptyString);
if (i != 0)
{
accountProof.StorageRoot.Should().NotBe(Keccak.EmptyTreeHash);
}
accountProof.StorageProofs.Length.Should().Be(i);
for (int j = 0; j < i; j++)
{
byte[] indexBytes = new byte[32];
addressesWithStorage[i].StorageCells[j].Index.ToBigEndian(indexBytes.AsSpan());
accountProof.StorageProofs[j].Key.ToHexString().Should().Be(indexBytes.ToHexString(), $"{i} {j}");
TrieNode node = new TrieNode(NodeType.Unknown, accountProof.StorageProofs[j].Proof.Last());
node.ResolveNode(null);
// TestContext.Write($"|[{i},{j}]");
if (node.Value.Length != 1)
{
TestContext.WriteLine();
TestContext.WriteLine(addressesWithStorage[i].Address);
TestContext.WriteLine(i);
foreach (StorageCell storageCell in addressesWithStorage[i].StorageCells)
{
TestContext.WriteLine("storage: " + storageCell.Index);
}
}
node.Value.Should().BeEquivalentTo(new byte[] { 1 });
}
}
}
protected async Task RunTest(BlockchainTest test, Stopwatch stopwatch = null)
{
LoggingTraceListener traceListener = new LoggingTraceListener();
// TODO: not supported in .NET Core, need to replace?
// Debug.Listeners.Clear();
// Debug.Listeners.Add(traceListener);
IDbProvider dbProvider = new MemDbProvider(_logManager);
StateTree stateTree = new StateTree(dbProvider.GetOrCreateStateDb());
ISpecProvider specProvider;
if (test.NetworkAfterTransition != null)
{
specProvider = new CustomSpecProvider(
(0, Frontier.Instance),
(1, test.Network),
(test.TransitionBlockNumber, test.NetworkAfterTransition));
}
else
{
specProvider = new CustomSpecProvider(
(0, Frontier.Instance), // TODO: this thing took a lot of time to find after it was removed!, genesis block is always initialized with Frontier
(1, test.Network));
}
if (specProvider.GenesisSpec != Frontier.Instance)
{
Assert.Fail("Expected genesis spec to be Frontier for blockchain tests");
}
IDifficultyCalculator difficultyCalculator = new DifficultyCalculator(specProvider);
IRewardCalculator rewardCalculator = new RewardCalculator(specProvider);
IBlockTree blockTree = new BlockTree(new MemDb(), new MemDb(), new MemDb(), specProvider, _logManager);
IBlockhashProvider blockhashProvider = new BlockhashProvider(blockTree);
ISignatureValidator signatureValidator = new SignatureValidator(ChainId.MainNet);
ITransactionValidator transactionValidator = new TransactionValidator(signatureValidator);
IHeaderValidator headerValidator = new HeaderValidator(difficultyCalculator, blockTree, SealEngine, specProvider, _logManager);
IOmmersValidator ommersValidator = new OmmersValidator(blockTree, headerValidator, _logManager);
IBlockValidator blockValidator = new BlockValidator(transactionValidator, headerValidator, ommersValidator, specProvider, _logManager);
IStateProvider stateProvider = new StateProvider(stateTree, dbProvider.GetOrCreateCodeDb(), _logManager);
IStorageProvider storageProvider = new StorageProvider(dbProvider, stateProvider, _logManager);
IVirtualMachine virtualMachine = new VirtualMachine(
stateProvider,
storageProvider,
blockhashProvider,
_logManager);
ISealEngine sealEngine = new EthashSealEngine(new Ethash(_logManager), _logManager);
ITransactionStore transactionStore = new TransactionStore();
IEthereumSigner signer = new EthereumSigner(specProvider, _logManager);
IBlockProcessor blockProcessor = new BlockProcessor(
specProvider,
blockValidator,
rewardCalculator,
new TransactionProcessor(
specProvider,
stateProvider,
storageProvider,
virtualMachine,
NullTracer.Instance,
_logManager),
dbProvider,
stateProvider,
storageProvider,
transactionStore,
_logManager);
IBlockchainProcessor blockchainProcessor = new BlockchainProcessor(blockTree,
sealEngine,
transactionStore, difficultyCalculator, blockProcessor, signer, _logManager);
InitializeTestState(test, stateProvider, storageProvider, specProvider);
List <(Block Block, string ExpectedException)> correctRlpsBlocks = new List <(Block, string)>();
for (int i = 0; i < test.Blocks.Length; i++)
{
try
{
TestBlockJson testBlockJson = test.Blocks[i];
var rlpContext = Hex.ToBytes(testBlockJson.Rlp).AsRlpContext();
Block suggestedBlock = Rlp.Decode <Block>(rlpContext);
Assert.AreEqual(new Keccak(testBlockJson.BlockHeader.Hash), suggestedBlock.Header.Hash, "hash of the block");
for (int ommerIndex = 0; ommerIndex < suggestedBlock.Ommers.Length; ommerIndex++)
{
Assert.AreEqual(new Keccak(testBlockJson.UncleHeaders[ommerIndex].Hash), suggestedBlock.Ommers[ommerIndex].Hash, "hash of the ommer");
}
correctRlpsBlocks.Add((suggestedBlock, testBlockJson.ExpectedException));
}
catch (Exception e)
{
_logger?.Info($"Invalid RLP ({i})");
}
}
if (correctRlpsBlocks.Count == 0)
{
Assert.AreEqual(new Keccak(test.GenesisBlockHeader.Hash), test.LastBlockHash);
return;
}
if (test.GenesisRlp == null)
{
test.GenesisRlp = Rlp.Encode(new Block(Convert(test.GenesisBlockHeader)));
}
Block genesisBlock = Rlp.Decode <Block>(test.GenesisRlp.Bytes);
Assert.AreEqual(new Keccak(test.GenesisBlockHeader.Hash), genesisBlock.Header.Hash, "genesis header hash");
blockTree.NewHeadBlock += (sender, args) =>
{
if (args.Block.Number == 0)
{
Assert.AreEqual(genesisBlock.Header.StateRoot, stateTree.RootHash, "genesis state root");
}
};
blockchainProcessor.Start();
blockTree.SuggestBlock(genesisBlock);
for (int i = 0; i < correctRlpsBlocks.Count; i++)
{
stopwatch?.Start();
try
{
if (correctRlpsBlocks[i].ExpectedException != null)
{
_logger.Info($"Expecting block exception: {correctRlpsBlocks[i].ExpectedException}");
}
if (correctRlpsBlocks[i].Block.Hash == null)
{
throw new Exception($"null hash in {test.Name} block {i}");
}
// TODO: mimic the actual behaviour where block goes through validating sync manager?
if (blockValidator.ValidateSuggestedBlock(correctRlpsBlocks[i].Block))
{
blockTree.SuggestBlock(correctRlpsBlocks[i].Block);
}
else
{
Console.WriteLine("Invalid block");
}
}
catch (InvalidBlockException ex)
{
}
catch (Exception ex)
{
_logger?.Info(ex.ToString());
}
}
await blockchainProcessor.StopAsync(true);
stopwatch?.Stop();
RunAssertions(test, blockTree.RetrieveHeadBlock(), storageProvider, stateProvider);
}
private async Task InitBlockchain()
{
/* spec */
if (_chainSpec.ChainId == RopstenSpecProvider.Instance.ChainId)
{
_specProvider = RopstenSpecProvider.Instance;
}
else if (_chainSpec.ChainId == MainNetSpecProvider.Instance.ChainId)
{
_specProvider = MainNetSpecProvider.Instance;
}
else if (_chainSpec.ChainId == RinkebySpecProvider.Instance.ChainId)
{
_specProvider = RinkebySpecProvider.Instance;
}
else if (_chainSpec.ChainId == GoerliSpecProvider.Instance.ChainId)
{
_specProvider = GoerliSpecProvider.Instance;
}
else if (_chainSpec.ChainId == SturebySpecProvider.Instance.ChainId)
{
_specProvider = SturebySpecProvider.Instance;
}
else
{
_specProvider = new SingleReleaseSpecProvider(LatestRelease.Instance, _chainSpec.ChainId);
}
/* sync */
IDbConfig dbConfig = _configProvider.GetConfig <IDbConfig>();
foreach (PropertyInfo propertyInfo in typeof(IDbConfig).GetProperties())
{
if (_logger.IsDebug)
{
_logger.Debug($"DB {propertyInfo.Name}: {propertyInfo.GetValue(dbConfig)}");
}
}
_dbProvider = HiveEnabled
? (IDbProvider) new MemDbProvider()
: new RocksDbProvider(_initConfig.BaseDbPath, dbConfig, _logManager, _initConfig.StoreTraces, _initConfig.StoreReceipts);
_ethereumEcdsa = new EthereumEcdsa(_specProvider, _logManager);
_transactionPool = new TransactionPool(
new PersistentTransactionStorage(_dbProvider.PendingTxsDb, _specProvider),
new PendingTransactionThresholdValidator(_initConfig.ObsoletePendingTransactionInterval,
_initConfig.RemovePendingTransactionInterval), new Timestamp(),
_ethereumEcdsa, _specProvider, _logManager, _initConfig.RemovePendingTransactionInterval,
_initConfig.PeerNotificationThreshold);
_receiptStorage = new PersistentReceiptStorage(_dbProvider.ReceiptsDb, _specProvider);
// IDbProvider debugRecorder = new RocksDbProvider(Path.Combine(_dbBasePath, "debug"), dbConfig);
// _dbProvider = new RpcDbProvider(_jsonSerializer, new BasicJsonRpcClient(KnownRpcUris.NethVm1, _jsonSerializer, _logManager), _logManager, debugRecorder);
// IDbProvider debugReader = new ReadOnlyDbProvider(new RocksDbProvider(Path.Combine(_dbBasePath, "debug"), dbConfig));
// _dbProvider = debugReader;
_blockTree = new BlockTree(
_dbProvider.BlocksDb,
_dbProvider.BlockInfosDb,
_specProvider,
_transactionPool,
_logManager);
_recoveryStep = new TxSignaturesRecoveryStep(_ethereumEcdsa, _transactionPool);
CliqueConfig cliqueConfig = null;
_snapshotManager = null;
switch (_chainSpec.SealEngineType)
{
case SealEngineType.None:
_sealer = NullSealEngine.Instance;
_sealValidator = NullSealEngine.Instance;
_rewardCalculator = NoBlockRewards.Instance;
break;
case SealEngineType.Clique:
_rewardCalculator = NoBlockRewards.Instance;
cliqueConfig = new CliqueConfig();
cliqueConfig.BlockPeriod = _chainSpec.CliquePeriod;
cliqueConfig.Epoch = _chainSpec.CliqueEpoch;
_snapshotManager = new SnapshotManager(cliqueConfig, _dbProvider.BlocksDb, _blockTree, _ethereumEcdsa, _logManager);
_sealValidator = new CliqueSealValidator(cliqueConfig, _snapshotManager, _logManager);
_recoveryStep = new CompositeDataRecoveryStep(_recoveryStep, new AuthorRecoveryStep(_snapshotManager));
if (_initConfig.IsMining)
{
_sealer = new CliqueSealer(new BasicWallet(_nodeKey), cliqueConfig, _snapshotManager, _nodeKey.Address, _logManager);
}
else
{
_sealer = NullSealEngine.Instance;
}
break;
case SealEngineType.NethDev:
_sealer = NullSealEngine.Instance;
_sealValidator = NullSealEngine.Instance;
_rewardCalculator = NoBlockRewards.Instance;
break;
case SealEngineType.Ethash:
_rewardCalculator = new RewardCalculator(_specProvider);
var difficultyCalculator = new DifficultyCalculator(_specProvider);
if (_initConfig.IsMining)
{
_sealer = new EthashSealer(new Ethash(_logManager), _logManager);
}
else
{
_sealer = NullSealEngine.Instance;
}
_sealValidator = new EthashSealValidator(_logManager, difficultyCalculator, new Ethash(_logManager));
break;
default:
throw new NotSupportedException($"Seal engine type {_chainSpec.SealEngineType} is not supported in Nethermind");
}
/* validation */
var headerValidator = new HeaderValidator(
_blockTree,
_sealValidator,
_specProvider,
_logManager);
var ommersValidator = new OmmersValidator(
_blockTree,
headerValidator,
_logManager);
var txValidator = new TransactionValidator(
new SignatureValidator(_specProvider.ChainId));
_blockValidator = new BlockValidator(
txValidator,
headerValidator,
ommersValidator,
_specProvider,
_logManager);
var stateTree = new StateTree(_dbProvider.StateDb);
var stateProvider = new StateProvider(
stateTree,
_dbProvider.CodeDb,
_logManager);
_stateProvider = stateProvider;
var storageProvider = new StorageProvider(
_dbProvider.StateDb,
stateProvider,
_logManager);
_transactionPoolInfoProvider = new TransactionPoolInfoProvider(stateProvider);
/* blockchain processing */
var blockhashProvider = new BlockhashProvider(
_blockTree);
var virtualMachine = new VirtualMachine(
stateProvider,
storageProvider,
blockhashProvider,
_logManager);
var transactionProcessor = new TransactionProcessor(
_specProvider,
stateProvider,
storageProvider,
virtualMachine,
_logManager);
_blockProcessor = new BlockProcessor(
_specProvider,
_blockValidator,
_rewardCalculator,
transactionProcessor,
_dbProvider.StateDb,
_dbProvider.CodeDb,
_dbProvider.TraceDb,
stateProvider,
storageProvider,
_transactionPool,
_receiptStorage,
_logManager);
_blockchainProcessor = new BlockchainProcessor(
_blockTree,
_blockProcessor,
_recoveryStep,
_logManager,
_initConfig.StoreReceipts,
_initConfig.StoreTraces);
// create shared objects between discovery and peer manager
IStatsConfig statsConfig = _configProvider.GetConfig <IStatsConfig>();
_nodeStatsManager = new NodeStatsManager(statsConfig, _logManager, !statsConfig.CaptureNodeStatsEventHistory);
if (_initConfig.IsMining)
{
IReadOnlyDbProvider minerDbProvider = new ReadOnlyDbProvider(_dbProvider, false);
AlternativeChain producerChain = new AlternativeChain(_blockTree, _blockValidator, _rewardCalculator,
_specProvider, minerDbProvider, _recoveryStep, _logManager, _transactionPool, _receiptStorage);
switch (_chainSpec.SealEngineType)
{
case SealEngineType.Clique:
{
// TODO: need to introduce snapshot provider for clique and pass it here instead of CliqueSealEngine
if (_logger.IsWarn)
{
_logger.Warn("Starting Clique block producer & sealer");
}
_blockProducer = new CliqueBlockProducer(_transactionPool, producerChain.Processor,
_blockTree, _timestamp, _cryptoRandom, producerChain.StateProvider, _snapshotManager, (CliqueSealer)_sealer, _nodeKey.Address, cliqueConfig, _logManager);
break;
}
case SealEngineType.NethDev:
{
if (_logger.IsWarn)
{
_logger.Warn("Starting Dev block producer & sealer");
}
_blockProducer = new DevBlockProducer(_transactionPool, producerChain.Processor, _blockTree,
_timestamp, _logManager);
break;
}
default:
throw new NotSupportedException($"Mining in {_chainSpec.SealEngineType} mode is not supported");
}
_blockProducer.Start();
}
if (!HiveEnabled)
{
_blockchainProcessor.Start();
LoadGenesisBlock(_chainSpec, string.IsNullOrWhiteSpace(_initConfig.GenesisHash) ? null : new Keccak(_initConfig.GenesisHash), _blockTree, stateProvider, _specProvider);
if (_initConfig.ProcessingEnabled)
{
#pragma warning disable 4014
LoadBlocksFromDb();
#pragma warning restore 4014
}
else
{
if (_logger.IsWarn)
{
_logger.Warn($"Shutting down processor due to {nameof(InitConfig)}.{nameof(InitConfig.ProcessingEnabled)} set to false");
}
await _blockchainProcessor.StopAsync();
}
}
await InitializeNetwork(
_receiptStorage,
_sealValidator,
txValidator);
}
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 */
FakeSealEngine sealEngine = new FakeSealEngine(miningDelay);
sealEngine.CanSeal = true;
RopstenSpecProvider specProvider = RopstenSpecProvider.Instance;
/* store & validation */
EthereumSigner ethereumSigner = new EthereumSigner(specProvider, logManager);
MemDb receiptsDb = new MemDb();
MemDb traceDb = new MemDb();
TransactionPool transactionPool = new TransactionPool(new NullTransactionStorage(),
new PendingTransactionThresholdValidator(), new Timestamp(), ethereumSigner, logManager);
IReceiptStorage receiptStorage = new PersistentReceiptStorage(receiptsDb, specProvider);
BlockTree blockTree = new BlockTree(new MemDb(), new MemDb(), specProvider, transactionPool, logManager);
Timestamp timestamp = new Timestamp();
DifficultyCalculator difficultyCalculator = new DifficultyCalculator(specProvider);
HeaderValidator headerValidator = new HeaderValidator(blockTree, sealEngine, specProvider, logManager);
OmmersValidator ommersValidator = new OmmersValidator(blockTree, headerValidator, logManager);
TransactionValidator transactionValidator = new TransactionValidator(new SignatureValidator(ChainId.Ropsten));
BlockValidator blockValidator = new BlockValidator(transactionValidator, headerValidator, ommersValidator, specProvider, logManager);
/* state & storage */
StateDb codeDb = new StateDb();
StateDb stateDb = new StateDb();
StateTree stateTree = new StateTree(stateDb);
StateProvider stateProvider = new StateProvider(stateTree, codeDb, logManager);
StorageProvider storageProvider = new StorageProvider(stateDb, stateProvider, logManager);
TestTransactionsGenerator generator = new TestTransactionsGenerator(transactionPool, ethereumSigner, TimeSpan.FromMilliseconds(5 * timeMultiplier), NullLogManager.Instance);
generator.Start();
/* blockchain processing */
BlockhashProvider blockhashProvider = new BlockhashProvider(blockTree);
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, transactionPool, receiptStorage, logManager);
BlockchainProcessor blockchainProcessor = new BlockchainProcessor(blockTree, blockProcessor, new TxSignaturesRecoveryStep(ethereumSigner, NullTransactionPool.Instance), logManager, false, false);
/* load ChainSpec and init */
ChainSpecLoader loader = new ChainSpecLoader(new UnforgivingJsonSerializer());
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);
}
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, transactionPool, blockchainProcessor, sealEngine, blockTree, timestamp, NullLogManager.Instance);
minedBlockProducer.Start();
ManualResetEvent manualResetEvent = new ManualResetEvent(false);
blockTree.NewHeadBlock += (sender, args) =>
{
if (args.Block.Number == 6)
{
manualResetEvent.Set();
}
};
manualResetEvent.WaitOne(miningDelay * 12 * timeMultiplier);
await minedBlockProducer.StopAsync();
int previousCount = 0;
int totalTx = 0;
for (int i = 0; i < 6; i++)
{
Block block = blockTree.FindBlock(new UInt256(i));
logger.Info($"Block {i} with {block.Transactions.Length} txs");
ManualResetEvent blockProcessedEvent = new ManualResetEvent(false);
blockchainProcessor.ProcessingQueueEmpty += (sender, args) => blockProcessedEvent.Set();
blockchainProcessor.SuggestBlock(block.Hash, ProcessingOptions.ForceProcessing | ProcessingOptions.StoreReceipts | ProcessingOptions.ReadOnlyChain);
blockProcessedEvent.WaitOne(1000);
Tracer tracer = new Tracer(blockchainProcessor, receiptStorage, blockTree, new MemDb());
int currentCount = receiptsDb.Keys.Count;
logger.Info($"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 void Setup()
{
_inputTree = TestItem.Tree.GetStateTree(null);
}
public async Task Test()
{
TimeSpan miningDelay = TimeSpan.FromMilliseconds(50);
/* logging & instrumentation */
var logger = new OneLoggerLogManager(new SimpleConsoleLogger(true));
/* spec */
var sealEngine = new FakeSealEngine(miningDelay);
sealEngine.IsMining = true;
var specProvider = RopstenSpecProvider.Instance;
/* store & validation */
var blockTree = new BlockTree(new MemDb(), new MemDb(), new MemDb(), specProvider, logger);
var difficultyCalculator = new DifficultyCalculator(specProvider);
var headerValidator = new HeaderValidator(difficultyCalculator, blockTree, sealEngine, specProvider, logger);
var ommersValidator = new OmmersValidator(blockTree, headerValidator, logger);
var transactionValidator = new TransactionValidator(new SignatureValidator(ChainId.Ropsten));
var blockValidator = new BlockValidator(transactionValidator, headerValidator, ommersValidator, specProvider, logger);
/* state & storage */
var codeDb = new MemDb();
var stateDb = new MemDb();
var stateTree = new StateTree(stateDb);
var stateProvider = new StateProvider(stateTree, codeDb, logger);
var storageDbProvider = new MemDbProvider(logger);
var storageProvider = new StorageProvider(storageDbProvider, stateProvider, logger);
/* blockchain processing */
var ethereumSigner = new EthereumSigner(specProvider, logger);
var transactionStore = new TransactionStore();
var blockhashProvider = new BlockhashProvider(blockTree);
var virtualMachine = new VirtualMachine(stateProvider, storageProvider, blockhashProvider, logger);
var processor = new TransactionProcessor(specProvider, stateProvider, storageProvider, virtualMachine, NullTracer.Instance, logger);
var rewardCalculator = new RewardCalculator(specProvider);
var blockProcessor = new BlockProcessor(specProvider, blockValidator, rewardCalculator, processor, storageDbProvider, stateProvider, storageProvider, transactionStore, logger);
var blockchainProcessor = new BlockchainProcessor(blockTree, sealEngine, transactionStore, difficultyCalculator, blockProcessor, ethereumSigner, logger, new PerfService(NullLogManager.Instance));
/* load ChainSpec and init */
ChainSpecLoader loader = new ChainSpecLoader(new UnforgivingJsonSerializer());
string path = Path.Combine(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, @"..\..\..\..\Chains", "ropsten.json"));
logger.GetClassLogger().Info($"Loading ChainSpec from {path}");
ChainSpec chainSpec = loader.Load(File.ReadAllBytes(path));
foreach (KeyValuePair <Address, UInt256> allocation in chainSpec.Allocations)
{
stateProvider.CreateAccount(allocation.Key, allocation.Value);
}
stateProvider.Commit(specProvider.GenesisSpec);
chainSpec.Genesis.Header.StateRoot = stateProvider.StateRoot; // TODO: shall it be HeaderSpec and not BlockHeader?
chainSpec.Genesis.Header.Hash = BlockHeader.CalculateHash(chainSpec.Genesis.Header);
if (chainSpec.Genesis.Hash != new Keccak("0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d"))
{
throw new Exception("Unexpected genesis hash");
}
/* start processing */
blockTree.SuggestBlock(chainSpec.Genesis);
blockchainProcessor.Start();
ManualResetEvent manualResetEvent = new ManualResetEvent(false);
blockTree.NewHeadBlock += (sender, args) =>
{
if (args.Block.Number == 6)
{
manualResetEvent.Set();
}
};
manualResetEvent.WaitOne(miningDelay * 12);
await blockchainProcessor.StopAsync(true).ContinueWith(
t =>
{
if (t.IsFaulted)
{
throw t.Exception;
}
Assert.GreaterOrEqual((int)blockTree.Head.Number, 6);
});
}
