public ChainLevelInfo Decode(Rlp.DecoderContext context, RlpBehaviors rlpBehaviors = RlpBehaviors.None) { if (context.IsNextItemNull()) { return(null); } int lastCheck = context.ReadSequenceLength() + context.Position; bool hasMainChainBlock = context.DecodeBool(); List <BlockInfo> blockInfos = new List <BlockInfo>(); context.ReadSequenceLength(); while (context.Position < lastCheck) { blockInfos.Add(Rlp.Decode <BlockInfo>(context, RlpBehaviors.AllowExtraData)); } if (!rlpBehaviors.HasFlag(RlpBehaviors.AllowExtraData)) { context.Check(lastCheck); } ChainLevelInfo info = new ChainLevelInfo(hasMainChainBlock, blockInfos.ToArray()); return(info); }
public TransactionReceipt Decode(Rlp.DecoderContext context, RlpBehaviors rlpBehaviors = RlpBehaviors.None) { TransactionReceipt receipt = new TransactionReceipt(); context.ReadSequenceLength(); byte[] firstItem = context.DecodeByteArray(); if (firstItem.Length == 1) { receipt.StatusCode = firstItem[0]; } else { receipt.PostTransactionState = firstItem.Length == 0 ? null : new Keccak(firstItem); } receipt.GasUsed = (long)context.DecodeUBigInt(); // TODO: review receipt.Bloom = context.DecodeBloom(); int lastCheck = context.ReadSequenceLength() + context.Position; List <LogEntry> logEntries = new List <LogEntry>(); while (context.Position < lastCheck) { logEntries.Add(Rlp.Decode <LogEntry>(context, RlpBehaviors.AllowExtraData)); } if (!rlpBehaviors.HasFlag(RlpBehaviors.AllowExtraData)) { context.Check(lastCheck); } receipt.Logs = logEntries.ToArray(); return(receipt); }
public Transaction Decode(Rlp.DecoderContext context, RlpBehaviors rlpBehaviors = RlpBehaviors.None) { var transactionSequence = context.PeekNextItem(); int transactionLength = context.ReadSequenceLength(); int lastCheck = context.Position + transactionLength; Transaction transaction = new Transaction(); transaction.Nonce = context.DecodeUInt256(); transaction.GasPrice = context.DecodeUInt256(); transaction.GasLimit = context.DecodeUInt256(); transaction.To = context.DecodeAddress(); transaction.Value = context.DecodeUInt256(); if (transaction.To == null) { transaction.Init = context.DecodeByteArray(); } else { transaction.Data = context.DecodeByteArray(); } if (context.Position < lastCheck) { byte[] vBytes = context.DecodeByteArray(); byte[] rBytes = context.DecodeByteArray(); byte[] sBytes = context.DecodeByteArray(); if (vBytes[0] == 0 || rBytes[0] == 0 || sBytes[0] == 0) { throw new RlpException("VRS starting with 0"); } if (rBytes.Length > 32 || sBytes.Length > 32) { throw new RlpException("R and S lengths expected to be less or equal 32"); } int v = vBytes.ToInt32(); BigInteger r = rBytes.ToUnsignedBigInteger(); BigInteger s = sBytes.ToUnsignedBigInteger(); if (s.IsZero && r.IsZero) { throw new RlpException("Both 'r' and 's' are zero when decoding a transaction."); } Signature signature = new Signature(r, s, v); transaction.Signature = signature; transaction.Hash = Keccak.Compute(transactionSequence); } if (!rlpBehaviors.HasFlag(RlpBehaviors.AllowExtraData)) { context.Check(lastCheck); } return(transaction); }
public Account Decode(Rlp.DecoderContext context, RlpBehaviors rlpBehaviors = RlpBehaviors.None) { context.ReadSequenceLength(); UInt256 nonce = context.DecodeUInt256(); UInt256 balance = context.DecodeUInt256(); Keccak storageRoot = context.DecodeKeccak(); Keccak codeHash = context.DecodeKeccak(); Account account = new Account(nonce, balance, storageRoot, codeHash); return(account); }
public BlockHeader Decode(Rlp.DecoderContext context, RlpBehaviors rlpBehaviors = RlpBehaviors.None) { if (context.Length == 1 && context.Data[0] == 192) { return(null); } var headerRlp = context.PeekNextItem(); int headerSequenceLength = context.ReadSequenceLength(); int headerCheck = context.Position + headerSequenceLength; Keccak parentHash = context.DecodeKeccak(); Keccak ommersHash = context.DecodeKeccak(); Address beneficiary = context.DecodeAddress(); Keccak stateRoot = context.DecodeKeccak(); Keccak transactionsRoot = context.DecodeKeccak(); Keccak receiptsRoot = context.DecodeKeccak(); Bloom bloom = context.DecodeBloom(); UInt256 difficulty = context.DecodeUInt256(); UInt256 number = context.DecodeUInt256(); UInt256 gasLimit = context.DecodeUInt256(); UInt256 gasUsed = context.DecodeUInt256(); UInt256 timestamp = context.DecodeUInt256(); byte[] extraData = context.DecodeByteArray(); Keccak mixHash = context.DecodeKeccak(); BigInteger nonce = context.DecodeUBigInt(); if (!rlpBehaviors.HasFlag(RlpBehaviors.AllowExtraData)) { context.Check(headerCheck); } BlockHeader blockHeader = new BlockHeader( parentHash, ommersHash, beneficiary, difficulty, number, (long)gasLimit, timestamp, extraData); blockHeader.StateRoot = stateRoot; blockHeader.TransactionsRoot = transactionsRoot; blockHeader.ReceiptsRoot = receiptsRoot; blockHeader.Bloom = bloom; blockHeader.GasUsed = (long)gasUsed; blockHeader.MixHash = mixHash; blockHeader.Nonce = (ulong)nonce; blockHeader.Hash = Keccak.Compute(headerRlp); return(blockHeader); }
public NetworkNode Decode(Rlp.DecoderContext context, RlpBehaviors rlpBehaviors = RlpBehaviors.None) { context.ReadSequenceLength(); var publicKey = new Hex(context.DecodeByteArray()); var ip = System.Text.Encoding.UTF8.GetString(context.DecodeByteArray()); var port = context.DecodeByteArray().ToInt32(); var description = System.Text.Encoding.UTF8.GetString(context.DecodeByteArray()); var reputation = context.DecodeByteArray().ToInt64(); var networkNode = new NetworkNode(publicKey, ip != string.Empty ? ip : null, port, description != string.Empty ? description : null, reputation); return(networkNode); }
public LogEntry Decode(Rlp.DecoderContext context, RlpBehaviors rlpBehaviors = RlpBehaviors.None) { context.ReadSequenceLength(); Address address = context.DecodeAddress(); long sequenceLength = context.ReadSequenceLength(); Keccak[] topics = new Keccak[sequenceLength / 33]; for (int i = 0; i < topics.Length; i++) { topics[i] = context.DecodeKeccak(); } byte[] data = context.DecodeByteArray(); return(new LogEntry(address, data, topics)); }
public Account Decode(Rlp.DecoderContext context, RlpBehaviors rlpBehaviors = RlpBehaviors.None) { context.ReadSequenceLength(); //long checkValue = context.ReadSequenceLength() + context.Position; UInt256 nonce = context.DecodeUInt256(); UInt256 balance = context.DecodeUInt256(); Keccak storageRoot = context.DecodeKeccak(); Keccak codeHash = context.DecodeKeccak(); Account account = new Account(nonce, balance, storageRoot, codeHash); //if (!rlpBehaviors.HasFlag(RlpBehaviors.AllowExtraData)) //{ // context.Check(checkValue); //} return(account); }
public BlockInfo Decode(Rlp.DecoderContext context, RlpBehaviors rlpBehaviors = RlpBehaviors.None) { int lastCheck = context.ReadSequenceLength() + context.Position; BlockInfo blockInfo = new BlockInfo(); blockInfo.BlockHash = context.DecodeKeccak(); blockInfo.WasProcessed = context.DecodeBool(); blockInfo.TotalDifficulty = context.DecodeUInt256(); blockInfo.TotalTransactions = context.DecodeUInt256(); if (!rlpBehaviors.HasFlag(RlpBehaviors.AllowExtraData)) { context.Check(lastCheck); } return(blockInfo); }
public Block Decode(Rlp.DecoderContext context, RlpBehaviors rlpBehaviors = RlpBehaviors.None) { int sequenceLength = context.ReadSequenceLength(); if (sequenceLength == 0) { return(null); } int blockCheck = context.Position + sequenceLength; BlockHeader header = Rlp.Decode <BlockHeader>(context); int transactionsSequenceLength = context.ReadSequenceLength(); int transactionsCheck = context.Position + transactionsSequenceLength; List <Transaction> transactions = new List <Transaction>(); while (context.Position < transactionsCheck) { transactions.Add(Rlp.Decode <Transaction>(context)); } context.Check(transactionsCheck); int ommersSequenceLength = context.ReadSequenceLength(); int ommersCheck = context.Position + ommersSequenceLength; List <BlockHeader> ommerHeaders = new List <BlockHeader>(); while (context.Position < ommersCheck) { ommerHeaders.Add(Rlp.Decode <BlockHeader>(context, rlpBehaviors)); } context.Check(ommersCheck); if (!rlpBehaviors.HasFlag(RlpBehaviors.AllowExtraData)) { context.Check(blockCheck); } return(new Block(header, transactions, ommerHeaders)); }
public TxReceipt Decode(Rlp.DecoderContext context, RlpBehaviors rlpBehaviors = RlpBehaviors.None) { bool isStorage = (rlpBehaviors & RlpBehaviors.Storage) != 0; TxReceipt txReceipt = new TxReceipt(); context.ReadSequenceLength(); byte[] firstItem = context.DecodeByteArray(); if (firstItem.Length == 1) { txReceipt.StatusCode = firstItem[0]; } else { txReceipt.PostTransactionState = firstItem.Length == 0 ? null : new Keccak(firstItem); } if (isStorage) { txReceipt.BlockHash = context.DecodeKeccak(); } if (isStorage) { txReceipt.BlockNumber = (long)context.DecodeUInt256(); } if (isStorage) { txReceipt.Index = context.DecodeInt(); } if (isStorage) { txReceipt.Sender = context.DecodeAddress(); } if (isStorage) { txReceipt.Recipient = context.DecodeAddress(); } if (isStorage) { txReceipt.ContractAddress = context.DecodeAddress(); } if (isStorage) { txReceipt.GasUsed = (long)context.DecodeUBigInt(); } txReceipt.GasUsedTotal = (long)context.DecodeUBigInt(); txReceipt.Bloom = context.DecodeBloom(); int lastCheck = context.ReadSequenceLength() + context.Position; List <LogEntry> logEntries = new List <LogEntry>(); while (context.Position < lastCheck) { logEntries.Add(Rlp.Decode <LogEntry>(context, RlpBehaviors.AllowExtraData)); } bool allowExtraData = (rlpBehaviors & RlpBehaviors.AllowExtraData) != 0; if (!allowExtraData) { context.Check(lastCheck); } // since error was added later we can only rely on it in cases where we read receipt only and no data follows if (isStorage && !allowExtraData && context.Position != context.Length) { txReceipt.Error = context.DecodeString(); } txReceipt.Logs = logEntries.ToArray(); return(txReceipt); }