public async Task Initiator_sends_auth_on_channel_activation()
{
NettyHandshakeHandler handler = new NettyHandshakeHandler(_serializationService, _handshakeService, _session, HandshakeRole.Initiator, _logger, _group);
handler.ChannelActive(_channelHandlerContext);
_handshakeService.Received(1).Auth(_session.RemoteNodeId, Arg.Any <EncryptionHandshake>());
await _channelHandlerContext.Received(1).WriteAndFlushAsync(Arg.Is <IByteBuffer>(b => Bytes.AreEqual(b.Array.Slice(b.ArrayOffset, NetTestVectors.AuthEip8.Length), NetTestVectors.AuthEip8)));
}
public void Test_roundtrip(byte[] bytes)
{
TestConverter(bytes, (before, after) => Bytes.AreEqual(before, after), new ByteArrayConverter());
}
public override bool Accepts(ref ValueKeccak topic) => Bytes.AreEqual(topic.BytesAsSpan, _topic.Bytes);
private List <string> RunAssertions(BlockchainTest test, Block headBlock, IStorageProvider storageProvider, IStateProvider stateProvider)
{
if (test.PostStateRoot != null)
{
return(test.PostStateRoot != stateProvider.StateRoot ? new List <string> {
"state root mismatch"
} : Enumerable.Empty <string>().ToList());
}
TestBlockHeaderJson testHeaderJson = (test.Blocks?
.Where(b => b.BlockHeader != null)
.SingleOrDefault(b => new Keccak(b.BlockHeader.Hash) == headBlock.Hash)?.BlockHeader) ?? test.GenesisBlockHeader;
BlockHeader testHeader = JsonToEthereumTest.Convert(testHeaderJson);
List <string> differences = new();
IEnumerable <KeyValuePair <Address, AccountState> > deletedAccounts = test.Pre?
.Where(pre => !(test.PostState?.ContainsKey(pre.Key) ?? false)) ?? Array.Empty <KeyValuePair <Address, AccountState> >();
foreach (KeyValuePair <Address, AccountState> deletedAccount in deletedAccounts)
{
if (stateProvider.AccountExists(deletedAccount.Key))
{
differences.Add($"Pre state account {deletedAccount.Key} was not deleted as expected.");
}
}
foreach ((Address acountAddress, AccountState accountState) in test.PostState)
{
int differencesBefore = differences.Count;
if (differences.Count > 8)
{
Console.WriteLine("More than 8 differences...");
break;
}
bool accountExists = stateProvider.AccountExists(acountAddress);
UInt256?balance = accountExists ? stateProvider.GetBalance(acountAddress) : (UInt256?)null;
UInt256?nonce = accountExists ? stateProvider.GetNonce(acountAddress) : (UInt256?)null;
if (accountState.Balance != balance)
{
differences.Add($"{acountAddress} balance exp: {accountState.Balance}, actual: {balance}, diff: {(balance > accountState.Balance ? balance - accountState.Balance : accountState.Balance - balance)}");
}
if (accountState.Nonce != nonce)
{
differences.Add($"{acountAddress} nonce exp: {accountState.Nonce}, actual: {nonce}");
}
byte[] code = accountExists ? stateProvider.GetCode(acountAddress) : new byte[0];
if (!Bytes.AreEqual(accountState.Code, code))
{
differences.Add($"{acountAddress} code exp: {accountState.Code?.Length}, actual: {code?.Length}");
}
if (differences.Count != differencesBefore)
{
_logger.Info($"ACCOUNT STATE ({acountAddress}) HAS DIFFERENCES");
}
differencesBefore = differences.Count;
KeyValuePair <UInt256, byte[]>[] clearedStorages = new KeyValuePair <UInt256, byte[]> [0];
if (test.Pre.ContainsKey(acountAddress))
{
clearedStorages = test.Pre[acountAddress].Storage.Where(s => !accountState.Storage.ContainsKey(s.Key)).ToArray();
}
foreach (KeyValuePair <UInt256, byte[]> clearedStorage in clearedStorages)
{
byte[] value = !stateProvider.AccountExists(acountAddress) ? Bytes.Empty : storageProvider.Get(new StorageCell(acountAddress, clearedStorage.Key));
if (!value.IsZero())
{
differences.Add($"{acountAddress} storage[{clearedStorage.Key}] exp: 0x00, actual: {value.ToHexString(true)}");
}
}
foreach (KeyValuePair <UInt256, byte[]> storageItem in accountState.Storage)
{
byte[] value = !stateProvider.AccountExists(acountAddress) ? Bytes.Empty : storageProvider.Get(new StorageCell(acountAddress, storageItem.Key)) ?? new byte[0];
if (!Bytes.AreEqual(storageItem.Value, value))
{
differences.Add($"{acountAddress} storage[{storageItem.Key}] exp: {storageItem.Value.ToHexString(true)}, actual: {value.ToHexString(true)}");
}
}
if (differences.Count != differencesBefore)
{
_logger.Info($"ACCOUNT STORAGE ({acountAddress}) HAS DIFFERENCES");
}
}
BigInteger gasUsed = headBlock.Header.GasUsed;
if ((testHeader?.GasUsed ?? 0) != gasUsed)
{
differences.Add($"GAS USED exp: {testHeader?.GasUsed ?? 0}, actual: {gasUsed}");
}
if (headBlock.Transactions.Any() && testHeader.Bloom.ToString() != headBlock.Header.Bloom.ToString())
{
differences.Add($"BLOOM exp: {testHeader.Bloom}, actual: {headBlock.Header.Bloom}");
}
if (testHeader.StateRoot != stateProvider.StateRoot)
{
differences.Add($"STATE ROOT exp: {testHeader.StateRoot}, actual: {stateProvider.StateRoot}");
}
if (testHeader.TxRoot != headBlock.Header.TxRoot)
{
differences.Add($"TRANSACTIONS ROOT exp: {testHeader.TxRoot}, actual: {headBlock.Header.TxRoot}");
}
if (testHeader.ReceiptsRoot != headBlock.Header.ReceiptsRoot)
{
differences.Add($"RECEIPT ROOT exp: {testHeader.ReceiptsRoot}, actual: {headBlock.Header.ReceiptsRoot}");
}
if (test.LastBlockHash != headBlock.Hash)
{
differences.Add($"LAST BLOCK HASH exp: {test.LastBlockHash}, actual: {headBlock.Hash}");
}
foreach (string difference in differences)
{
_logger.Info(difference);
}
return(differences);
}
/// <summary>
/// Validates all the header elements (usually in relation to parent). Difficulty calculation is validated in <see cref="ISealValidator"/>
/// </summary>
/// <param name="header">Block header to validate</param>
/// <param name="isOmmer"><value>True</value> if the <paramref name="header"/> is an ommer, otherwise <value>False</value></param>
/// <returns><value>True</value> if <paramref name="header"/> is valid, otherwise <value>False</value></returns>
public bool Validate(BlockHeader header, bool isOmmer = false)
{
// the rule here is to validate the seal first (avoid any cheap attacks on validation logic)
// then validate whatever does not need to load parent from disk (the most expensive operation)
bool areNonceValidAndMixHashValid = header.Number == 0 || header.SealEngineType == SealEngineType.None || _sealValidator.ValidateSeal(header);
if (!areNonceValidAndMixHashValid)
{
if (_logger.IsWarn)
{
_logger.Warn($"Invalid block header ({header.Hash}) - invalid mix hash / nonce");
}
}
bool hashAsExpected = header.Hash == BlockHeader.CalculateHash(header);
if (!hashAsExpected)
{
if (_logger.IsWarn)
{
_logger.Warn($"Invalid block header ({header.Hash}) - invalid block hash");
}
}
bool extraDataValid = isOmmer ||
_daoBlockNumber == null ||
header.Number < _daoBlockNumber ||
header.Number >= _daoBlockNumber + 10 ||
Bytes.AreEqual(header.ExtraData, DaoExtraData);
if (!extraDataValid)
{
_logger.Warn($"Invalid block header ({header.Hash}) - DAO extra data not valid");
}
BlockHeader parent = _blockTree.FindHeader(header.ParentHash, false);
if (parent == null)
{
if (header.Number == 0)
{
var isGenesisValid = ValidateGenesis(header);;
if (!isGenesisValid)
{
if (_logger.IsWarn)
{
_logger.Warn($"Invalid genesis block header ({header.Hash})");
}
}
return(isGenesisValid);
}
if (_logger.IsWarn)
{
_logger.Warn($"Orphan block, could not find parent ({header.Hash})");
}
return(false);
}
// seal is validated when synchronizing so we can remove it from here - review and test
bool sealParamsCorrect = _sealValidator.ValidateParams(parent, header);
if (!sealParamsCorrect)
{
_logger.Warn($"Invalid block header ({header.Hash}) - seal parameters incorrect");
}
bool gasUsedBelowLimit = header.GasUsed <= header.GasLimit;
if (!gasUsedBelowLimit)
{
_logger.Warn($"Invalid block header ({header.Hash}) - gas used above gas limit");
}
long maxGasLimitDifference = parent.GasLimit / 1024;
bool gasLimitNotTooHigh = header.GasLimit < parent.GasLimit + maxGasLimitDifference;
if (!gasLimitNotTooHigh)
{
_logger.Warn($"Invalid block header ({header.Hash}) - gas limit too high");
}
bool gasLimitNotTooLow = header.GasLimit > parent.GasLimit - maxGasLimitDifference;
if (!gasLimitNotTooLow)
{
_logger.Warn($"Invalid block header ({header.Hash}) - invalid mix hash / nonce");
}
// bool gasLimitAboveAbsoluteMinimum = header.GasLimit >= 125000; // described in the YellowPaper but not followed
bool timestampMoreThanAtParent = header.Timestamp > parent.Timestamp;
if (!timestampMoreThanAtParent)
{
_logger.Warn($"Invalid block header ({header.Hash}) - timestamp before parent");
}
bool numberIsParentPlusOne = header.Number == parent.Number + 1;
if (!numberIsParentPlusOne)
{
_logger.Warn($"Invalid block header ({header.Hash}) - block number is not parent + 1");
}
if (_logger.IsTrace)
{
_logger.Trace($"Validating block {header.ToString(BlockHeader.Format.Short)}, extraData {header.ExtraData.ToHexString(true)}");
}
return
(areNonceValidAndMixHashValid &&
gasUsedBelowLimit &&
gasLimitNotTooLow &&
gasLimitNotTooHigh &&
sealParamsCorrect &&
// gasLimitAboveAbsoluteMinimum && // described in the YellowPaper but not followed
timestampMoreThanAtParent &&
numberIsParentPlusOne &&
hashAsExpected &&
extraDataValid);
}
public async Task Initiator_sends_auth_on_channel_activation()
{
NettyHandshakeHandler handler = new NettyHandshakeHandler(_service, _ip2PSession, HandshakeRole.Initiator, _remotePublicKey, _logger);
handler.ChannelActive(_channelHandlerContext);
_service.Received(1).Auth(_remotePublicKey, Arg.Any <EncryptionHandshake>());
await _channelHandlerContext.Received(1).WriteAndFlushAsync(Arg.Is <IByteBuffer>(b => Bytes.AreEqual(b.Array.Slice(0, NetTestVectors.AuthEip8.Length), NetTestVectors.AuthEip8)));
}
protected void RunTest(VirtualMachineTest test)
{
TestContext.WriteLine($"Running {test.GetType().FullName}");
VirtualMachine machine = new VirtualMachine(_stateProvider, _storageProvider, _blockhashProvider, _specProvider, _logManager);
ExecutionEnvironment environment = new ExecutionEnvironment();
environment.Value = test.Execution.Value;
environment.CallDepth = 0;
environment.Sender = test.Execution.Caller;
environment.ExecutingAccount = test.Execution.Address;
BlockHeader header = new BlockHeader(
Keccak.OfAnEmptyString,
Keccak.OfAnEmptySequenceRlp,
test.Environment.CurrentCoinbase,
test.Environment.CurrentDifficulty,
test.Environment.CurrentNumber,
(long)test.Environment.CurrentGasLimit,
test.Environment.CurrentTimestamp, Bytes.Empty);
environment.CurrentBlock = header;
environment.GasPrice = test.Execution.GasPrice;
environment.InputData = test.Execution.Data;
environment.CodeInfo = new CodeInfo(test.Execution.Code);
environment.Originator = test.Execution.Origin;
foreach (KeyValuePair <Address, AccountState> accountState in test.Pre)
{
foreach (KeyValuePair <UInt256, byte[]> storageItem in accountState.Value.Storage)
{
_storageProvider.Set(new StorageAddress(accountState.Key, storageItem.Key), storageItem.Value);
if (accountState.Key.Equals(test.Execution.Address))
{
_storageProvider.Set(new StorageAddress(accountState.Key, storageItem.Key), storageItem.Value);
}
}
_stateProvider.UpdateCode(accountState.Value.Code);
_stateProvider.CreateAccount(accountState.Key, accountState.Value.Balance);
Keccak codeHash = _stateProvider.UpdateCode(accountState.Value.Code);
_stateProvider.UpdateCodeHash(accountState.Key, codeHash, Olympic.Instance);
for (int i = 0; i < accountState.Value.Nonce; i++)
{
_stateProvider.IncrementNonce(accountState.Key);
}
}
EvmState state = new EvmState((long)test.Execution.Gas, environment, ExecutionType.Transaction, false, true, false);
_storageProvider.Commit();
_stateProvider.Commit(Olympic.Instance);
TransactionSubstate substate = machine.Run(state, NullTxTracer.Instance);
if (test.Out == null)
{
Assert.NotNull(substate.Error);
return;
}
Assert.True(Bytes.AreEqual(test.Out, substate.Output),
$"Exp: {test.Out.ToHexString(true)} != Actual: {substate.Output.ToHexString(true)}");
Assert.AreEqual((long)test.Gas, state.GasAvailable, "gas available");
foreach (KeyValuePair <Address, AccountState> accountState in test.Post)
{
bool accountExists = _stateProvider.AccountExists(accountState.Key);
UInt256 balance = accountExists ? _stateProvider.GetBalance(accountState.Key) : 0;
UInt256 nonce = accountExists ? _stateProvider.GetNonce(accountState.Key) : 0;
Assert.AreEqual(accountState.Value.Balance, balance, $"{accountState.Key} Balance");
Assert.AreEqual(accountState.Value.Nonce, nonce, $"{accountState.Key} Nonce");
// TODO: not testing properly 0 balance accounts
if (accountExists)
{
byte[] code = _stateProvider.GetCode(accountState.Key);
Assert.AreEqual(accountState.Value.Code, code, $"{accountState.Key} Code");
}
foreach (KeyValuePair <UInt256, byte[]> storageItem in accountState.Value.Storage)
{
byte[] value = _storageProvider.Get(new StorageAddress(accountState.Key, storageItem.Key));
Assert.True(Bytes.AreEqual(storageItem.Value, value),
$"Storage[{accountState.Key}_{storageItem.Key}] Exp: {storageItem.Value.ToHexString(true)} != Actual: {value.ToHexString(true)}");
}
}
}
public bool Equals(ForkId other)
{
return(Bytes.AreEqual(ForkHash, other.ForkHash) && Next == other.Next);
}
public (PrivateKey PrivateKey, Result Result) GetKey(Address address, SecureString password)
{
var serializedKey = ReadKey(address.ToString());
if (serializedKey == null)
{
return(null, Result.Fail("Cannot find key"));
}
var keyStoreItem = _jsonSerializer.Deserialize <KeyStoreItem>(serializedKey);
if (keyStoreItem?.Crypto == null)
{
return(null, Result.Fail("Cannot deserialize key"));
}
var validationResult = Validate(keyStoreItem);
if (validationResult.ResultType != ResultType.Success)
{
return(null, validationResult);
}
byte[] mac = Bytes.FromHexString(keyStoreItem.Crypto.MAC);
byte[] iv = Bytes.FromHexString(keyStoreItem.Crypto.CipherParams.IV);
byte[] cipher = Bytes.FromHexString(keyStoreItem.Crypto.CipherText);
byte[] salt = Bytes.FromHexString(keyStoreItem.Crypto.KDFParams.Salt);
var kdfParams = keyStoreItem.Crypto.KDFParams;
var passBytes = password.ToByteArray(_keyStoreEncoding);
byte[] derivedKey;
var kdf = keyStoreItem.Crypto.KDF.Trim();
switch (kdf)
{
case "scrypt":
derivedKey = SCrypt.ComputeDerivedKey(passBytes, salt, kdfParams.N, kdfParams.R, kdfParams.P, null, kdfParams.DkLen);
break;
case "pbkdf2":
var deriveBytes = new Rfc2898DeriveBytes(passBytes, salt, kdfParams.C, HashAlgorithmName.SHA256);
derivedKey = deriveBytes.GetBytes(256);
break;
default:
return(null, Result.Fail($"Unsupported algoritm: {kdf}"));
}
var restoredMac = Keccak.Compute(derivedKey.Slice(kdfParams.DkLen - 16, 16).Concat(cipher).ToArray()).Bytes;
if (!Bytes.AreEqual(mac, restoredMac))
{
return(null, Result.Fail("Incorrect MAC"));
}
var cipherType = keyStoreItem.Crypto.Cipher.Trim();
byte[] decryptKey;
if (kdf == "scrypt" && cipherType == "aes-128-cbc")
{
decryptKey = Keccak.Compute(derivedKey.Slice(0, 16)).Bytes.Slice(0, 16);
}
else
{
decryptKey = derivedKey.Slice(0, 16);
}
byte[] key = _symmetricEncrypter.Decrypt(cipher, decryptKey, iv, cipherType);
if (key == null)
{
return(null, Result.Fail("Error during decryption"));
}
// TODO: maybe only allow to sign here so the key never leaves the area?
return(new PrivateKey(key), Result.Success());
}
public bool Equals(BeaconBlockBody other)
{
bool basicEquality = Equals(RandaoReversal, other.RandaoReversal) &&
Equals(Eth1Data, other.Eth1Data) &&
Bytes.AreEqual(Graffiti, other.Graffiti) &&
(ProposerSlashings?.Length ?? 0) == (other.ProposerSlashings?.Length ?? 0) &&
(AttesterSlashings?.Length ?? 0) == (other.AttesterSlashings?.Length ?? 0) &&
(Attestations?.Length ?? 0) == (other.Attestations?.Length ?? 0) &&
(Deposits?.Length ?? 0) == (other.Deposits?.Length ?? 0) &&
(VoluntaryExits?.Length ?? 0) == (other.VoluntaryExits?.Length ?? 0);
if (!basicEquality)
{
return(false);
}
if (!(AttesterSlashings is null) && !(other.AttesterSlashings is null))
{
for (int i = 0; i < AttesterSlashings.Length; i++)
{
if (!Equals(AttesterSlashings[i], other.AttesterSlashings[i]))
{
return(false);
}
}
}
if (!(ProposerSlashings is null) && !(other.ProposerSlashings is null))
{
for (int i = 0; i < ProposerSlashings.Length; i++)
{
if (!Equals(ProposerSlashings[i], other.ProposerSlashings[i]))
{
return(false);
}
}
}
if (!(Attestations is null) && !(other.Attestations is null))
{
for (int i = 0; i < Attestations.Length; i++)
{
if (!Equals(Attestations[i], other.Attestations[i]))
{
return(false);
}
}
}
if (!(Deposits is null) && !(other.Deposits is null))
{
for (int i = 0; i < Deposits.Length; i++)
{
if (!Equals(Deposits[i], other.Deposits[i]))
{
return(false);
}
}
}
if (!(VoluntaryExits is null) && !(other.VoluntaryExits is null))
{
for (int i = 0; i < VoluntaryExits.Length; i++)
{
if (!Equals(VoluntaryExits[i], other.VoluntaryExits[i]))
{
return(false);
}
}
}
return(true);
}
private void RunAssertions(BlockchainTest test, Block headBlock, IStorageProvider storageProvider, IStateProvider stateProvider)
{
TestBlockHeaderJson testHeaderJson = test.Blocks
.Where(b => b.BlockHeader != null)
.SingleOrDefault(b => new Keccak(b.BlockHeader.Hash) == headBlock.Hash)?.BlockHeader ?? test.GenesisBlockHeader;
BlockHeader testHeader = Convert(testHeaderJson);
List <string> differences = new List <string>();
foreach (KeyValuePair <Address, AccountState> accountState in test.PostState)
{
int differencesBefore = differences.Count;
if (differences.Count > 8)
{
Console.WriteLine("More than 8 differences...");
break;
}
bool accountExists = stateProvider.AccountExists(accountState.Key);
BigInteger?balance = accountExists ? stateProvider.GetBalance(accountState.Key) : (BigInteger?)null;
BigInteger?nonce = accountExists ? stateProvider.GetNonce(accountState.Key) : (BigInteger?)null;
if (accountState.Value.Balance != balance)
{
differences.Add($"{accountState.Key} balance exp: {accountState.Value.Balance}, actual: {balance}, diff: {balance - accountState.Value.Balance}");
}
if (accountState.Value.Nonce != nonce)
{
differences.Add($"{accountState.Key} nonce exp: {accountState.Value.Nonce}, actual: {nonce}");
}
byte[] code = accountExists ? stateProvider.GetCode(accountState.Key) : new byte[0];
if (!Bytes.AreEqual(accountState.Value.Code, code))
{
differences.Add($"{accountState.Key} code exp: {accountState.Value.Code?.Length}, actual: {code?.Length}");
}
if (differences.Count != differencesBefore)
{
_logger.Info($"ACCOUNT STATE ({accountState.Key}) HAS DIFFERENCES");
}
differencesBefore = differences.Count;
foreach (KeyValuePair <UInt256, byte[]> storageItem in accountState.Value.Storage)
{
byte[] value = storageProvider.Get(new StorageAddress(accountState.Key, storageItem.Key)) ?? new byte[0];
if (!Bytes.AreEqual(storageItem.Value, value))
{
differences.Add($"{accountState.Key} storage[{storageItem.Key}] exp: {storageItem.Value.ToHexString(true)}, actual: {value.ToHexString(true)}");
}
}
if (differences.Count != differencesBefore)
{
_logger.Info($"ACCOUNT STORAGE ({accountState.Key}) HAS DIFFERENCES");
}
}
BigInteger gasUsed = headBlock.Header.GasUsed;
if ((testHeader?.GasUsed ?? 0) != gasUsed)
{
differences.Add($"GAS USED exp: {testHeader?.GasUsed ?? 0}, actual: {gasUsed}");
}
if (headBlock.Transactions.Any() && testHeader.Bloom.ToString() != headBlock.Header.Bloom.ToString())
{
differences.Add($"BLOOM exp: {testHeader.Bloom}, actual: {headBlock.Header.Bloom}");
}
if (testHeader.StateRoot != stateProvider.StateRoot)
{
differences.Add($"STATE ROOT exp: {testHeader.StateRoot}, actual: {stateProvider.StateRoot}");
}
if (testHeader.TransactionsRoot != headBlock.Header.TransactionsRoot)
{
differences.Add($"TRANSACTIONS ROOT exp: {testHeader.TransactionsRoot}, actual: {headBlock.Header.TransactionsRoot}");
}
if (testHeader.ReceiptsRoot != headBlock.Header.ReceiptsRoot)
{
differences.Add($"RECEIPT ROOT exp: {testHeader.ReceiptsRoot}, actual: {headBlock.Header.ReceiptsRoot}");
}
if (test.LastBlockHash != headBlock.Hash)
{
differences.Add($"LAST BLOCK HASH exp: {test.LastBlockHash}, actual: {headBlock.Hash}");
}
foreach (string difference in differences)
{
_logger.Info(difference);
}
Assert.Zero(differences.Count, "differences");
}
/// <summary>
/// Loads this Ole2Document object from the provided stream (e.g. a FileStream to load
/// from a File). This is only preliminarily supported and tested for Excel
/// files.
/// </summary>
/// <param name="stream">Stream to load the document from.</param>
public void Load(System.IO.Stream stream)
{
if (stream.Length == 0)
{
throw new Exception("No data (or zero-length) found!");
}
if (stream.Length < 512)
{
throw new Exception(string.Format("File length {0} < 512 bytes", stream.Length));
}
byte[] head = new byte[512];
stream.Read(head, 0, 512);
bool isLE = false;
if (head[28] == 254 && head[29] == 255)
{
isLE = true;
}
if (!isLE)
{
throw new NotSupportedException("File is not Little-Endian");
}
_isLittleEndian = isLE;
ushort sectorSize = BitConverter.ToUInt16(MidByteArray(head, 30, 2), 0);
if (sectorSize < 7 || sectorSize > 32)
{
throw new Exception(string.Format("Invalid Sector Size [{0}] (should be 7 <= sectorSize <= 32", sectorSize));
}
_sectorSize = sectorSize;
ushort shortSectorSize = BitConverter.ToUInt16(MidByteArray(head, 32, 2), 0);
if (shortSectorSize > sectorSize)
{
throw new Exception(
string.Format("Invalid Short Sector Size [{0}] (should be < sectorSize; {1})", shortSectorSize, sectorSize));
}
_shortSectorSize = shortSectorSize;
//if (readError) ExitFunction;
uint satSectorCount = BitConverter.ToUInt32(MidByteArray(head, 44, 4), 0);
if (satSectorCount < 0)
{
throw new Exception(string.Format("Invalid SAT Sector Count [{0}] (should be > 0)", satSectorCount));
}
int dirSID0 = BitConverter.ToInt32(MidByteArray(head, 48, 4), 0);
if (dirSID0 < 0)
{
throw new Exception(string.Format("Invalid Directory SID0 [{0}] (should be > 0)", dirSID0));
}
uint minStandardStreamSize = BitConverter.ToUInt32(MidByteArray(head, 56, 4), 0);
if ((minStandardStreamSize < (Math.Pow(2, sectorSize))) || (minStandardStreamSize % (Math.Pow(2, sectorSize)) > 0))
{
throw new Exception(string.Format("Invalid MinStdStreamSize [{0}] (should be multiple of (2^SectorSize)", minStandardStreamSize));
}
_standardStreamMinBytes = minStandardStreamSize;
int ssatSID0 = BitConverter.ToInt32(MidByteArray(head, 60, 4), 0);
uint ssatSectorCount = BitConverter.ToUInt32(MidByteArray(head, 64, 4), 0);
if (ssatSID0 < 0 && ssatSID0 != -2)
{
throw new Exception(string.Format("Invalid SSAT SID0 [{0}] (must be >=0 or -2", ssatSID0));
}
if (ssatSectorCount > 0 && ssatSID0 < 0)
{
throw new Exception(
string.Format("Invalid SSAT SID0 [{0}] (must be >=0 when SSAT Sector Count > 0)", ssatSID0));
}
if (ssatSectorCount < 0)
{
throw new Exception(string.Format("Invalid SSAT Sector Count [{0}] (must be >= 0)", ssatSectorCount));
}
int msatSID0 = BitConverter.ToInt32(MidByteArray(head, 68, 4), 0);
if (msatSID0 < 1 && msatSID0 != -2)
{
throw new Exception(string.Format("Invalid MSAT SID0 [{0}]", msatSID0));
}
uint msatSectorCount = BitConverter.ToUInt32(MidByteArray(head, 72, 4), 0);
if (msatSectorCount < 0)
{
throw new Exception(string.Format("Invalid MSAT Sector Count [{0}]", msatSectorCount));
}
else if (msatSectorCount == 0 && msatSID0 != -2)
{
throw new Exception(string.Format("Invalid MSAT SID0 [{0}] (should be -2)", msatSID0));
}
int i = 0;
int k = ((int)Math.Pow(2, sectorSize) / 4) - 1;
int[] msat = new int[108 + (k * msatSectorCount) + 1]; //add 1 compared to VBScript version due to C#/VBS array declaration diff
for (int j = 0; j < 109; j++)
{
msat[j] = BitConverter.ToInt32(MidByteArray(head, 76 + (j * 4), 4), 0);
}
int msatSidNext = msatSID0;
while (i < msatSectorCount)
{
Bytes sector = GetSector(stream, sectorSize, msatSidNext);
if (sector.Length == 0)
{
throw new Exception(string.Format("MSAT SID Chain broken - SID [{0}] not found / EOF reached", msatSidNext));
}
for (int j = 0; j < k; j++)
{
msat[109 + (i * k) + j] = BitConverter.ToInt32(sector.Get(j * 4, 4).ByteArray, 0);
}
msatSidNext = BitConverter.ToInt32(sector.Get(k * 4, 4).ByteArray, 0);
i++;
}
//if (re) Exit Function;
//Find number of Sectors in SAT --> i
i = msat.Length;
while (msat[i - 1] < 0)
{
i--;
}
//Size and fill SAT SID array
int[] sat = new int[(uint)(i * (Math.Pow(2, sectorSize) / 4))];
int m = (int)(Math.Pow(2, sectorSize) / 4);
for (int j = 0; j < i; j++)
{
Bytes sector = GetSector(stream, sectorSize, msat[j]);
if (sector.Length == 0)
{
throw new Exception(string.Format("SAT SID Chain broken - SAT Sector SID{0} not found / EOF reached", msat[j]));
}
for (k = 0; k < m; k++)
{
sat[(j * m) + k] = BitConverter.ToInt32(sector.Get(k * 4, 4).ByteArray, 0);
}
}
//Size and fill SSAT SID array
i = 0;
int ssatSidNext = ssatSID0;
// m = (int) (Math.Pow(2, sectorSize) / 4);
//Dictionary<int, int> ssat = new Dictionary<int, int>();
int[] ssat = new int[(ssatSectorCount + 1) * m];
while (ssatSidNext > -2)
{
Bytes sector = GetSector(stream, sectorSize, ssatSidNext);
if (sector.Length == 0)
{
throw new Exception(string.Format("SSAT Sector SID{0} not found", ssatSidNext));
}
for (int j = 0; j < m; j++)
{
ssat[(i * m) + j] = BitConverter.ToInt32(sector.Get(j * 4, 4).ByteArray, 0);
}
ssatSidNext = sat[ssatSidNext];
i++;
}
if (i < ssatSectorCount)
{
throw new Exception(string.Format("SSAT Sector chain broken: {0} found, header indicates {1}", i, ssatSectorCount));
}
//Size and fill Directory byte array array
int dirSectorCount = 0;
int dirSidNext = dirSID0;
m = (int)(Math.Pow(2, sectorSize) / 128);
Dictionary <int, byte[]> dir = new Dictionary <int, byte[]>();
while (dirSidNext > -2)
{
Bytes sector = GetSector(stream, sectorSize, dirSidNext);
if (sector.Length == 0)
{
throw new Exception(string.Format("Directory Sector SID{0} not found", dirSidNext));
}
for (int j = 0; j < m; j++)
{
dir[(dirSectorCount * m) + j] = sector.Get(j * 128, 128).ByteArray;
}
dirSidNext = sat[dirSidNext];
dirSectorCount++;
}
for (i = 0; i < dir.Count; i++)
{
byte[] dirEntry = dir[i];
int nameLength = BitConverter.ToInt16(MidByteArray(dirEntry, 64, 2), 0);
byte[] docStreamName = MidByteArray(dirEntry, 0, nameLength);
bool overwrite = false;
if (Bytes.AreEqual(docStreamName, Directory.RootName))
{
overwrite = true;
}
Bytes docStream =
GetStream(stream, i, dir, sectorSize, sat, shortSectorSize, ssat, minStandardStreamSize);
if (docStreamName.Length == 0 && docStream.Length == 0)
{
continue; //don't add streams for directory padding entries
}
Streams.AddNamed(docStream, docStreamName, overwrite);
}
}
public static Hash32 DecodeSha256(Span <byte> span)
{
return(Bytes.AreEqual(Hash32.Zero.Bytes, span) ? Hash32.Zero : new Hash32(DecodeBytes(span).ToArray()));
}
public void Beacon_state_there_and_back()
{
Eth1Data eth1Data = new Eth1Data();
eth1Data.BlockHash = Sha256.OfAnEmptyString;
eth1Data.DepositCount = 1;
eth1Data.DepositRoot = Sha256.OfAnEmptyString;
BeaconBlockHeader beaconBlockHeader = new BeaconBlockHeader();
beaconBlockHeader.Signature = BlsSignature.TestSig1;
beaconBlockHeader.Slot = new Slot(14);
beaconBlockHeader.BodyRoot = Sha256.OfAnEmptyString;
beaconBlockHeader.ParentRoot = Sha256.OfAnEmptyString;
beaconBlockHeader.StateRoot = Sha256.OfAnEmptyString;
BeaconBlockBody beaconBlockBody = new BeaconBlockBody();
beaconBlockBody.RandaoReversal = BlsSignature.TestSig1;
beaconBlockBody.Eth1Data = eth1Data;
beaconBlockBody.Graffiti = new byte[32];
beaconBlockBody.ProposerSlashings = new ProposerSlashing[2];
beaconBlockBody.AttesterSlashings = new AttesterSlashing[3];
beaconBlockBody.Attestations = new Attestation[4];
beaconBlockBody.Deposits = new Deposit[5];
beaconBlockBody.VoluntaryExits = new VoluntaryExit[6];
BeaconBlock beaconBlock = new BeaconBlock();
beaconBlock.Body = beaconBlockBody;
beaconBlock.Signature = BlsSignature.TestSig1;
beaconBlock.Slot = new Slot(1);
beaconBlock.ParentRoot = Sha256.OfAnEmptyString;
beaconBlock.StateRoot = Sha256.OfAnEmptyString;
BeaconState container = new BeaconState();
container.Balances = new Gwei[3];
container.Fork = new Fork(new ForkVersion(5), new ForkVersion(7), new Epoch(3));
container.Slashings = new Gwei[Time.EpochsPerSlashingsVector];
container.Slot = new Slot(1);
container.Validators = new Validator[7];
container.BlockRoots = new Sha256[Time.SlotsPerHistoricalRoot];
container.StateRoots = new Sha256[Time.SlotsPerHistoricalRoot];
container.Eth1Data = eth1Data;
container.Eth1DataVotes = new Eth1Data[2];
container.PreviousJustifiedCheckpoint = new Checkpoint(new Epoch(3), Sha256.OfAnEmptyString);
container.CurrentJustifiedCheckpoint = new Checkpoint(new Epoch(5), Sha256.OfAnEmptyString);
container.FinalizedCheckpoint = new Checkpoint(new Epoch(7), Sha256.OfAnEmptyString);
container.GenesisTime = 123;
container.HistoricalRoots = new Sha256[13];
container.JustificationBits = 9;
container.RandaoMixes = new Sha256[Time.EpochsPerHistoricalVector];
container.PreviousEpochAttestations = new PendingAttestation[1];
container.CurrentEpochAttestations = new PendingAttestation[11];
container.Eth1DepositIndex = 1234;
container.LatestBlockHeader = beaconBlockHeader;
Span <byte> encoded = new byte[BeaconState.SszLength(container)];
Ssz.Encode(encoded, container);
BeaconState decoded = Ssz.DecodeBeaconState(encoded);
Assert.AreEqual(container, decoded);
Span <byte> encodedAgain = new byte[BeaconState.SszLength(decoded)];
Ssz.Encode(encodedAgain, decoded);
Assert.True(Bytes.AreEqual(encodedAgain, encoded));
Merkle.Ize(out UInt256 root, container);
}
public bool Validate(BlockHeader header, bool isOmmer = false)
{
Block parent = _blockTree.FindBlock(header.ParentHash, false);
if (parent == null)
{
if (header.Number == 0)
{
var isGenesisValid = IsGenesisHeaderValid(header);;
if (!isGenesisValid)
{
_logger.Warn($"Invalid genesis block header ({header.Hash})");
}
return(isGenesisValid);
}
_logger.Warn($"Orphan block, could not find parent ({header.Hash})");
return(false);
}
bool areNonceValidAndMixHashValid = header.SealEngineType == SealEngineType.None || _sealEngine.Validate(header);
if (!areNonceValidAndMixHashValid)
{
_logger.Warn($"Invalid block header ({header.Hash}) - invalid mix hash / nonce");
}
BigInteger difficulty = _difficultyCalculator.Calculate(parent.Header.Difficulty, parent.Header.Timestamp, header.Timestamp, header.Number, parent.Ommers.Length > 0);
bool isDifficultyCorrect = difficulty == header.Difficulty;
if (!isDifficultyCorrect)
{
_logger.Warn($"Invalid block header ({header.Hash}) - difficulty value incorrect");
}
// difficulty check
bool gasUsedBelowLimit = header.GasUsed <= header.GasLimit;
if (!gasUsedBelowLimit)
{
_logger.Warn($"Invalid block header ({header.Hash}) - gas used above gas limit");
}
bool gasLimitNotTooHigh = header.GasLimit < parent.Header.GasLimit + BigInteger.Divide(parent.Header.GasLimit, 1024);
if (!gasLimitNotTooHigh)
{
_logger.Warn($"Invalid block header ({header.Hash}) - gas limit too high");
}
bool gasLimitNotTooLow = header.GasLimit > parent.Header.GasLimit - BigInteger.Divide(parent.Header.GasLimit, 1024);
if (!gasLimitNotTooLow)
{
_logger.Warn($"Invalid block header ({header.Hash}) - invalid mix hash / nonce");
}
// bool gasLimitAboveAbsoluteMinimum = header.GasLimit >= 125000; // TODO: tests are consistently not following this rule
bool timestampMoreThanAtParent = header.Timestamp > parent.Header.Timestamp;
if (!timestampMoreThanAtParent)
{
_logger.Warn($"Invalid block header ({header.Hash}) - timestamp before parent");
}
bool numberIsParentPlusOne = header.Number == parent.Header.Number + 1;
if (!numberIsParentPlusOne)
{
_logger.Warn($"Invalid block header ({header.Hash}) - block number is not parent + 1");
}
bool extraDataNotTooLong = header.ExtraData.Length <= 32;
if (!extraDataNotTooLong)
{
_logger.Warn($"Invalid block header ({header.Hash}) - extra data too long");
}
bool hashAsExpected = header.Hash == BlockHeader.CalculateHash(header);
if (!hashAsExpected)
{
_logger.Warn($"Invalid block header ({header.Hash}) - invalid block hash");
}
if (_logger.IsTrace)
{
_logger.Trace($"Validating block {header.Hash} ({header.Number}) - DAO block {_daoBlockNumber}, extraData {header.ExtraData.ToHexString(true)}");
}
bool extraDataValid = isOmmer ||
_daoBlockNumber == null ||
header.Number < _daoBlockNumber ||
header.Number >= _daoBlockNumber + 10 ||
Bytes.AreEqual(header.ExtraData, DaoExtraData);
if (!extraDataValid)
{
_logger.Warn($"Invalid block header ({header.Hash}) - DAO extra data not valid");
}
return
(areNonceValidAndMixHashValid &&
gasUsedBelowLimit &&
gasLimitNotTooLow &&
gasLimitNotTooHigh &&
isDifficultyCorrect &&
// gasLimitAboveAbsoluteMinimum && // TODO: tests are consistently not following this rule
timestampMoreThanAtParent &&
numberIsParentPlusOne &&
extraDataNotTooLong &&
hashAsExpected &&
extraDataValid);
}
public static Sha256 DecodeSha256(Span <byte> span)
{
return(Bytes.AreEqual(Bytes.Zero32, span) ? null : new Sha256(DecodeBytes(span).ToArray()));
}
public bool Equals(Attestation other)
{
return(Bytes.AreEqual(AggregationBits, other.AggregationBits) &&
Equals(Data, other.Data) &&
Equals(Signature, other.Signature));
}
public byte[] this[byte[] key]
{
get
{
lock (_diffLock)
{
RequiredPeerDifficulty = UInt256.Max(RequiredPeerDifficulty, BeamSyncContext.MinimumDifficulty.Value);
}
// it is not possible for the item to be requested from the DB and missing in the DB unless the DB is corrupted
// if it is missing in the MemDb then it must exist somewhere on the web (unless the block is corrupted / invalid)
// we grab the node from the web through requests
// if the block is invalid then we will be timing out for a long time
// in such case it would be good to have some gossip about corrupted blocks
// but such gossip would be cheap
// if we keep timing out then we would finally reject the block (but only shelve it instead of marking invalid)
bool wasInDb = true;
while (true)
{
if (_isDisposed)
{
throw new ObjectDisposedException("Beam Sync DB disposed");
}
// shall I leave test logic forever?
if (BeamSyncContext.LoopIterationsToFailInTest.Value != null)
{
int?currentValue = BeamSyncContext.LoopIterationsToFailInTest.Value--;
if (currentValue == 0)
{
throw new Exception();
}
}
byte[] fromMem = _tempDb[key] ?? _stateDb[key];
if (fromMem == null)
{
if (_logger.IsTrace)
{
_logger.Trace($"Beam sync miss - {key.ToHexString()} - retrieving");
}
if (BeamSyncContext.Cancelled.Value.IsCancellationRequested)
{
throw new BeamCanceledException("Beam cancellation requested");
}
if (Bytes.AreEqual(key, Keccak.Zero.Bytes))
{
// we store sync progress data at Keccak.Zero;
return(null);
}
TimeSpan expiry = _contextExpiryTimeSpan;
if (BeamSyncContext.Description.Value?.Contains("preProcess") ?? false)
{
expiry = _preProcessExpiryTimeSpan;
}
if (DateTime.UtcNow - (BeamSyncContext.LastFetchUtc.Value ?? DateTime.UtcNow) > expiry)
{
string message = $"Beam sync request {BeamSyncContext.Description.Value} for key {key.ToHexString()} with last update on {BeamSyncContext.LastFetchUtc.Value:hh:mm:ss.fff} has expired";
if (_logger.IsDebug)
{
_logger.Debug(message);
}
throw new BeamSyncException(message);
}
wasInDb = false;
// _logger.Info($"BEAM SYNC Asking for {key.ToHexString()} - resolved keys so far {_resolvedKeysCount}");
lock (_requestedNodes)
{
_requestedNodes.Add(new Keccak(key));
}
// _logger.Error($"Requested {key.ToHexString()}");
Activate();
_autoReset.WaitOne(50);
}
else
{
if (!wasInDb)
{
BeamSyncContext.ResolvedInContext.Value++;
Interlocked.Increment(ref Metrics.BeamedTrieNodes);
if (_logger.IsWarn)
{
_logger.Warn($"Resolved key {key.ToHexString()} of context {BeamSyncContext.Description.Value} - resolved ctx {BeamSyncContext.ResolvedInContext.Value} | total {Metrics.BeamedTrieNodes}");
}
}
BeamSyncContext.LastFetchUtc.Value = DateTime.UtcNow;
// if (!Bytes.AreEqual(Keccak.Compute(fromMem).Bytes, key))
// {
// throw new Exception("DB had an entry with a hash mismatch {key}");
// }
return(fromMem);
}
}
}
set
{
if (_logger.IsTrace)
{
_logger.Trace($"Saving to temp - {key.ToHexString()}");
}
_targetDbForSaves[key] = value;
}
}
public async Task Recipient_sends_ack_on_receiving_auth()
{
NettyHandshakeHandler handler = new NettyHandshakeHandler(_service, _ip2PSession, HandshakeRole.Recipient, _remotePublicKey, _logger);
handler.ChannelRead(_channelHandlerContext, Unpooled.Buffer(0, 0));
_service.Received(1).Ack(Arg.Any <EncryptionHandshake>(), Arg.Any <Packet>());
await _channelHandlerContext.Received(1).WriteAndFlushAsync(Arg.Is <IByteBuffer>(b => Bytes.AreEqual(b.Array.Slice(0, NetTestVectors.AckEip8.Length), NetTestVectors.AckEip8)));
}
private bool Equals(PrivateKey other)
{
return(Bytes.AreEqual(KeyBytes, other.KeyBytes));
}
/// <summary>
/// Note that this does not validate seal which is the responsibility of <see cref="ISealValidator"/>>
/// </summary>
/// <param name="header">BlockHeader to validate</param>
/// <param name="parent">BlockHeader which is the parent of <paramref name="header"/></param>
/// <param name="isOmmer"><value>True</value> if uncle block, otherwise <value>False</value></param>
/// <returns></returns>
public bool Validate(BlockHeader header, BlockHeader parent, bool isOmmer = false)
{
bool hashAsExpected = ValidateHash(header);
IReleaseSpec spec = _specProvider.GetSpec(header.Number);
bool extraDataValid = header.ExtraData.Length <= spec.MaximumExtraDataSize &&
(isOmmer ||
_daoBlockNumber == null ||
header.Number < _daoBlockNumber ||
header.Number >= _daoBlockNumber + 10 ||
Bytes.AreEqual(header.ExtraData, DaoExtraData));
if (!extraDataValid)
{
if (_logger.IsWarn)
{
_logger.Warn($"Invalid block header ({header.Hash}) - DAO extra data not valid");
}
}
if (parent == null)
{
if (header.Number == 0)
{
bool isGenesisValid = ValidateGenesis(header);
if (!isGenesisValid)
{
if (_logger.IsWarn)
{
_logger.Warn($"Invalid genesis block header ({header.Hash})");
}
}
return(isGenesisValid);
}
if (_logger.IsDebug)
{
_logger.Debug($"Orphan block, could not find parent ({header.ParentHash}) of ({header.Hash})");
}
return(false);
}
bool totalDifficultyCorrect = true;
if (header.TotalDifficulty != null)
{
if (parent.TotalDifficulty + header.Difficulty != header.TotalDifficulty)
{
if (_logger.IsDebug)
{
_logger.Debug($"Invalid total difficulty");
}
totalDifficultyCorrect = false;
}
}
// seal is validated when synchronizing so we can remove it from here - review and test
bool sealParamsCorrect = _sealValidator.ValidateParams(parent, header);
if (!sealParamsCorrect)
{
if (_logger.IsWarn)
{
_logger.Warn($"Invalid block header ({header.Hash}) - seal parameters incorrect");
}
}
bool gasUsedBelowLimit = header.GasUsed <= header.GetGasTarget1559(spec) * 2 + header.GetGasTargetLegacy(spec);
if (!gasUsedBelowLimit)
{
if (_logger.IsWarn)
{
_logger.Warn($"Invalid block header ({header.Hash}) - gas used above gas limit");
}
}
var gasLimitInRange = ValidateGasLimitRange(header, parent, spec);
// bool gasLimitAboveAbsoluteMinimum = header.GasLimit >= 125000; // described in the YellowPaper but not followed
bool timestampMoreThanAtParent = header.Timestamp > parent.Timestamp;
if (!timestampMoreThanAtParent)
{
if (_logger.IsWarn)
{
_logger.Warn($"Invalid block header ({header.Hash}) - timestamp before parent");
}
}
bool numberIsParentPlusOne = header.Number == parent.Number + 1;
if (!numberIsParentPlusOne)
{
if (_logger.IsWarn)
{
_logger.Warn($"Invalid block header ({header.Hash}) - block number is not parent + 1");
}
}
if (_logger.IsTrace)
{
_logger.Trace($"Validating block {header.ToString(BlockHeader.Format.Short)}, extraData {header.ExtraData.ToHexString(true)}");
}
bool baseFeeIsCorrect = true;
if (spec.IsEip1559Enabled)
{
UInt256?expectedBaseFee = BlockHeader.CalculateBaseFee(parent, spec);
baseFeeIsCorrect = expectedBaseFee == header.BaseFee;
}
return
(totalDifficultyCorrect &&
gasUsedBelowLimit &&
gasLimitInRange &&
sealParamsCorrect &&
// gasLimitAboveAbsoluteMinimum && // described in the YellowPaper but not followed
timestampMoreThanAtParent &&
numberIsParentPlusOne &&
hashAsExpected &&
extraDataValid &&
baseFeeIsCorrect);
}
/// <summary>
/// Note that this does not validate seal which is the responsibility of <see cref="ISealValidator"/>>
/// </summary>
/// <param name="header">BlockHeader to validate</param>
/// <param name="parent">BlockHeader which is the parent of <paramref name="header"/></param>
/// <param name="isOmmer"><value>True</value> if uncle block, otherwise <value>False</value></param>
/// <returns></returns>
public bool Validate(BlockHeader header, BlockHeader parent, bool isOmmer = false)
{
bool hashAsExpected = ValidateHash(header);
IReleaseSpec spec = _specProvider.GetSpec(header.Number);
bool extraDataValid = header.ExtraData.Length <= spec.MaximumExtraDataSize &&
(isOmmer ||
_daoBlockNumber == null ||
header.Number < _daoBlockNumber ||
header.Number >= _daoBlockNumber + 10 ||
Bytes.AreEqual(header.ExtraData, DaoExtraData));
if (!extraDataValid)
{
if (_logger.IsWarn)
{
_logger.Warn($"Invalid block header ({header.Hash}) - DAO extra data not valid");
}
}
if (parent == null)
{
if (header.Number == 0)
{
var isGenesisValid = ValidateGenesis(header);
;
if (!isGenesisValid)
{
if (_logger.IsWarn)
{
_logger.Warn($"Invalid genesis block header ({header.Hash})");
}
}
return(isGenesisValid);
}
if (_logger.IsDebug)
{
_logger.Debug($"Orphan block, could not find parent ({header.Hash})");
}
return(false);
}
// seal is validated when synchronizing so we can remove it from here - review and test
bool sealParamsCorrect = _sealValidator.ValidateParams(parent, header);
if (!sealParamsCorrect)
{
if (_logger.IsWarn)
{
_logger.Warn($"Invalid block header ({header.Hash}) - seal parameters incorrect");
}
}
bool gasUsedBelowLimit = header.GasUsed <= header.GasLimit;
if (!gasUsedBelowLimit)
{
if (_logger.IsWarn)
{
_logger.Warn($"Invalid block header ({header.Hash}) - gas used above gas limit");
}
}
long maxGasLimitDifference = parent.GasLimit / spec.GasLimitBoundDivisor;
bool gasLimitNotTooHigh = header.GasLimit <= parent.GasLimit + maxGasLimitDifference;
if (!gasLimitNotTooHigh)
{
if (_logger.IsWarn)
{
_logger.Warn($"Invalid block header ({header.Hash}) - gas limit too high");
}
}
bool gasLimitNotTooLow = header.GasLimit >= parent.GasLimit - maxGasLimitDifference &&
header.GasLimit >= spec.MinGasLimit;
if (!gasLimitNotTooLow)
{
if (_logger.IsWarn)
{
_logger.Warn($"Invalid block header ({header.Hash}) - gas limit too low");
}
}
// bool gasLimitAboveAbsoluteMinimum = header.GasLimit >= 125000; // described in the YellowPaper but not followed
bool timestampMoreThanAtParent = header.Timestamp > parent.Timestamp;
if (!timestampMoreThanAtParent)
{
if (_logger.IsWarn)
{
_logger.Warn($"Invalid block header ({header.Hash}) - timestamp before parent");
}
}
bool numberIsParentPlusOne = header.Number == parent.Number + 1;
if (!numberIsParentPlusOne)
{
if (_logger.IsWarn)
{
_logger.Warn($"Invalid block header ({header.Hash}) - block number is not parent + 1");
}
}
if (_logger.IsTrace)
{
_logger.Trace($"Validating block {header.ToString(BlockHeader.Format.Short)}, extraData {header.ExtraData.ToHexString(true)}");
}
return
(gasUsedBelowLimit &&
gasLimitNotTooLow &&
gasLimitNotTooHigh &&
sealParamsCorrect &&
// gasLimitAboveAbsoluteMinimum && // described in the YellowPaper but not followed
timestampMoreThanAtParent &&
numberIsParentPlusOne &&
hashAsExpected &&
extraDataValid);
}
private static void SetPriority(
IDictionaryContractDataStore <TxPriorityContract.Destination> priorities,
BlockHeader blockHeader,
Address target,
byte[] prioritizedFnSignature,
UInt256 value)
{
priorities.TryGetValue(blockHeader,
Arg.Is <TxPriorityContract.Destination>(d => d.Target == target && Bytes.AreEqual(d.FnSignature, prioritizedFnSignature)),
out Arg.Any <TxPriorityContract.Destination>())
.Returns(x =>
{
x[2] = new TxPriorityContract.Destination(target, prioritizedFnSignature, value);
return(true);
});
}
// Token: 0x06000276 RID: 630 RVA: 0x0000B40C File Offset: 0x0000A40C
public void Load(System.IO.Stream stream)
{
if (stream.Length == 0L)
{
throw new Exception("No data (or zero-length) found!");
}
if (stream.Length < 512L)
{
throw new Exception(string.Format("File length {0} < 512 bytes", stream.Length));
}
byte[] array = new byte[512];
stream.Read(array, 0, 512);
bool flag = false;
if (array[28] == 254 && array[29] == 255)
{
flag = true;
}
if (!flag)
{
throw new NotSupportedException("File is not Little-Endian");
}
this._isLittleEndian = flag;
ushort num = BitConverter.ToUInt16(Ole2Document.MidByteArray(array, 30, 2), 0);
if (num < 7 || num > 32)
{
throw new Exception(string.Format("Invalid Sector Size [{0}] (should be 7 <= sectorSize <= 32", num));
}
this._sectorSize = num;
ushort num2 = BitConverter.ToUInt16(Ole2Document.MidByteArray(array, 32, 2), 0);
if (num2 > num)
{
throw new Exception(string.Format("Invalid Short Sector Size [{0}] (should be < sectorSize; {1})", num2, num));
}
this._shortSectorSize = num2;
uint num3 = BitConverter.ToUInt32(Ole2Document.MidByteArray(array, 44, 4), 0);
if (num3 < 0U)
{
throw new Exception(string.Format("Invalid SAT Sector Count [{0}] (should be > 0)", num3));
}
int num4 = BitConverter.ToInt32(Ole2Document.MidByteArray(array, 48, 4), 0);
if (num4 < 0)
{
throw new Exception(string.Format("Invalid Directory SID0 [{0}] (should be > 0)", num4));
}
uint num5 = BitConverter.ToUInt32(Ole2Document.MidByteArray(array, 56, 4), 0);
if (num5 < Math.Pow(2.0, (double)num) || num5 % Math.Pow(2.0, (double)num) > 0.0)
{
throw new Exception(string.Format("Invalid MinStdStreamSize [{0}] (should be multiple of (2^SectorSize)", num5));
}
this._standardStreamMinBytes = num5;
int num6 = BitConverter.ToInt32(Ole2Document.MidByteArray(array, 60, 4), 0);
uint num7 = BitConverter.ToUInt32(Ole2Document.MidByteArray(array, 64, 4), 0);
if (num6 < 0 && num6 != -2)
{
throw new Exception(string.Format("Invalid SSAT SID0 [{0}] (must be >=0 or -2", num6));
}
if (num7 > 0U && num6 < 0)
{
throw new Exception(string.Format("Invalid SSAT SID0 [{0}] (must be >=0 when SSAT Sector Count > 0)", num6));
}
if (num7 < 0U)
{
throw new Exception(string.Format("Invalid SSAT Sector Count [{0}] (must be >= 0)", num7));
}
int num8 = BitConverter.ToInt32(Ole2Document.MidByteArray(array, 68, 4), 0);
if (num8 < 1 && num8 != -2)
{
throw new Exception(string.Format("Invalid MSAT SID0 [{0}]", num8));
}
uint num9 = BitConverter.ToUInt32(Ole2Document.MidByteArray(array, 72, 4), 0);
if (num9 < 0U)
{
throw new Exception(string.Format("Invalid MSAT Sector Count [{0}]", num9));
}
if (num9 == 0U && num8 != -2)
{
throw new Exception(string.Format("Invalid MSAT SID0 [{0}] (should be -2)", num8));
}
int i = 0;
int j = (int)Math.Pow(2.0, (double)num) / 4 - 1;
int[] array2 = new int[108L + (long)j * (long)((ulong)num9) + 1L];
for (int k = 0; k < 109; k++)
{
array2[k] = BitConverter.ToInt32(Ole2Document.MidByteArray(array, 76 + k * 4, 4), 0);
}
int num10 = num8;
while ((long)i < (long)((ulong)num9))
{
Bytes sector = Ole2Document.GetSector(stream, (int)num, num10);
if (sector.Length == 0)
{
throw new Exception(string.Format("MSAT SID Chain broken - SID [{0}] not found / EOF reached", num10));
}
for (int l = 0; l < j; l++)
{
array2[109 + i * j + l] = BitConverter.ToInt32(sector.Get(l * 4, 4).ByteArray, 0);
}
num10 = BitConverter.ToInt32(sector.Get(j * 4, 4).ByteArray, 0);
i++;
}
i = array2.Length;
while (array2[i - 1] < 0)
{
i--;
}
int[] array3 = new int[(uint)((double)i * (Math.Pow(2.0, (double)num) / 4.0))];
int num11 = (int)(Math.Pow(2.0, (double)num) / 4.0);
for (int m = 0; m < i; m++)
{
Bytes sector2 = Ole2Document.GetSector(stream, (int)num, array2[m]);
if (sector2.Length == 0)
{
throw new Exception(string.Format("SAT SID Chain broken - SAT Sector SID{0} not found / EOF reached", array2[m]));
}
for (j = 0; j < num11; j++)
{
array3[m * num11 + j] = BitConverter.ToInt32(sector2.Get(j * 4, 4).ByteArray, 0);
}
}
i = 0;
int n = num6;
int[] array4 = new int[(ulong)(num7 + 1U) * (ulong)((long)num11)];
while (n > -2)
{
Bytes sector3 = Ole2Document.GetSector(stream, (int)num, n);
if (sector3.Length == 0)
{
throw new Exception(string.Format("SSAT Sector SID{0} not found", n));
}
for (int num12 = 0; num12 < num11; num12++)
{
array4[i * num11 + num12] = BitConverter.ToInt32(sector3.Get(num12 * 4, 4).ByteArray, 0);
}
n = array3[n];
i++;
}
if ((long)i < (long)((ulong)num7))
{
throw new Exception(string.Format("SSAT Sector chain broken: {0} found, header indicates {1}", i, num7));
}
int num13 = 0;
int num14 = num4;
num11 = (int)(Math.Pow(2.0, (double)num) / 128.0);
Dictionary <int, byte[]> dictionary = new Dictionary <int, byte[]>();
while (num14 > -2)
{
Bytes sector4 = Ole2Document.GetSector(stream, (int)num, num14);
if (sector4.Length == 0)
{
throw new Exception(string.Format("Directory Sector SID{0} not found", num14));
}
for (int num15 = 0; num15 < num11; num15++)
{
dictionary[num13 * num11 + num15] = sector4.Get(num15 * 128, 128).ByteArray;
}
num14 = array3[num14];
num13++;
}
for (i = 0; i < dictionary.Count; i++)
{
byte[] byteArray = dictionary[i];
int length = (int)BitConverter.ToInt16(Ole2Document.MidByteArray(byteArray, 64, 2), 0);
byte[] array5 = Ole2Document.MidByteArray(byteArray, 0, length);
bool overwrite = false;
if (Bytes.AreEqual(array5, Directory.RootName))
{
overwrite = true;
}
Bytes stream2 = this.GetStream(stream, i, dictionary, num, array3, num2, array4, num5);
if (array5.Length != 0 || stream2.Length != 0)
{
this.Streams.AddNamed(stream2, array5, overwrite);
}
}
}