Ejemplo n.º 1
0
        public (Keccak CodeHash, Keccak StorageRoot) DecodeHashesOnly(RlpStream rlpStream, RlpBehaviors rlpBehaviors = RlpBehaviors.None)
        {
            rlpStream.SkipLength();
            rlpStream.SkipItem();
            rlpStream.SkipItem();
            Keccak storageRoot = rlpStream.DecodeKeccak();
            Keccak codeHash    = rlpStream.DecodeKeccak();

            return(codeHash, storageRoot);
        }
Ejemplo n.º 2
0
        public Account Decode(RlpStream rlpStream, RlpBehaviors rlpBehaviors = RlpBehaviors.None)
        {
            rlpStream.ReadSequenceLength();
            UInt256 nonce       = rlpStream.DecodeUInt256();
            UInt256 balance     = rlpStream.DecodeUInt256();
            Keccak  storageRoot = rlpStream.DecodeKeccak();
            Keccak  codeHash    = rlpStream.DecodeKeccak();
            Account account     = new Account(nonce, balance, storageRoot, codeHash);

            return(account);
        }
Ejemplo n.º 3
0
        public BlockInfo Decode(RlpStream rlpStream, RlpBehaviors rlpBehaviors = RlpBehaviors.None)
        {
            if (rlpStream.IsNextItemNull())
            {
                rlpStream.ReadByte();
                return(null);
            }

            int lastCheck = rlpStream.ReadSequenceLength() + rlpStream.Position;

            BlockInfo blockInfo = new BlockInfo
            {
                BlockHash       = rlpStream.DecodeKeccak(),
                WasProcessed    = rlpStream.DecodeBool(),
                TotalDifficulty = rlpStream.DecodeUInt256()
            };

            if (_chainWithFinalization)
            {
                blockInfo.IsFinalized = rlpStream.DecodeBool();
            }

            if ((rlpBehaviors & RlpBehaviors.AllowExtraData) != RlpBehaviors.AllowExtraData)
            {
                rlpStream.Check(lastCheck);
            }

            return(blockInfo);
        }
Ejemplo n.º 4
0
        public Keccak DecodeStorageRootOnly(RlpStream rlpStream)
        {
            rlpStream.SkipLength();
            rlpStream.SkipItem();
            rlpStream.SkipItem();
            Keccak storageRoot = rlpStream.DecodeKeccak();

            return(storageRoot);
        }
Ejemplo n.º 5
0
        private Keccak DecodeCodeHash(RlpStream rlpStream)
        {
            Keccak codeHash = null;

            if (_slimFormat && rlpStream.IsNextItemEmptyArray())
            {
                rlpStream.ReadByte();
                codeHash = Keccak.OfAnEmptyString;
            }
            else
            {
                codeHash = rlpStream.DecodeKeccak();
            }

            return(codeHash);
        }
Ejemplo n.º 6
0
        private Keccak DecodeStorageRoot(RlpStream rlpStream)
        {
            Keccak storageRoot = null;

            if (_slimFormat && rlpStream.IsNextItemEmptyArray())
            {
                rlpStream.ReadByte();
                storageRoot = Keccak.EmptyTreeHash;
            }
            else
            {
                storageRoot = rlpStream.DecodeKeccak();
            }

            return(storageRoot);
        }
Ejemplo n.º 7
0
        public BlockInfo?Decode(RlpStream rlpStream, RlpBehaviors rlpBehaviors = RlpBehaviors.None)
        {
            if (rlpStream.IsNextItemNull())
            {
                rlpStream.ReadByte();
                return(null);
            }

            int lastCheck = rlpStream.ReadSequenceLength() + rlpStream.Position;

            Keccak?blockHash = rlpStream.DecodeKeccak();

            bool    wasProcessed    = rlpStream.DecodeBool();
            UInt256 totalDifficulty = rlpStream.DecodeUInt256();

            BlockMetadata metadata = BlockMetadata.None;

            // if we hadn't reached the end of the stream, assume we have metadata to decode
            if (rlpStream.Position != lastCheck)
            {
                metadata = (BlockMetadata)rlpStream.DecodeInt();
            }

            if ((rlpBehaviors & RlpBehaviors.AllowExtraData) != RlpBehaviors.AllowExtraData)
            {
                rlpStream.Check(lastCheck);
            }

            if (blockHash is null)
            {
                return(null);
            }

            BlockInfo blockInfo = new(blockHash, totalDifficulty)
            {
                WasProcessed = wasProcessed,
                Metadata     = metadata,
            };

            return(blockInfo);
        }
Ejemplo n.º 8
0
        public BlockInfo?Decode(RlpStream rlpStream, RlpBehaviors rlpBehaviors = RlpBehaviors.None)
        {
            if (rlpStream.IsNextItemNull())
            {
                rlpStream.ReadByte();
                return(null);
            }

            int lastCheck = rlpStream.ReadSequenceLength() + rlpStream.Position;

            Keccak?blockHash = rlpStream.DecodeKeccak();

            bool    wasProcessed    = rlpStream.DecodeBool();
            UInt256 totalDifficulty = rlpStream.DecodeUInt256();

            bool isFinalized = false;

            if (_chainWithFinalization)
            {
                isFinalized = rlpStream.DecodeBool();
            }

            if ((rlpBehaviors & RlpBehaviors.AllowExtraData) != RlpBehaviors.AllowExtraData)
            {
                rlpStream.Check(lastCheck);
            }

            if (blockHash is null)
            {
                return(null);
            }

            BlockInfo blockInfo = new(blockHash, totalDifficulty)
            {
                WasProcessed = wasProcessed,
                IsFinalized  = isFinalized
            };

            return(blockInfo);
        }
Ejemplo n.º 9
0
        public LogEntry?Decode(RlpStream rlpStream, RlpBehaviors rlpBehaviors = RlpBehaviors.None)
        {
            if (rlpStream.IsNextItemNull())
            {
                rlpStream.ReadByte();
                return(null);
            }

            rlpStream.ReadSequenceLength();
            Address?address        = rlpStream.DecodeAddress();
            long    sequenceLength = rlpStream.ReadSequenceLength();

            Keccak[] topics = new Keccak[sequenceLength / 33];
            for (int i = 0; i < topics.Length; i++)
            {
                topics[i] = rlpStream.DecodeKeccak();
            }

            byte[] data = rlpStream.DecodeByteArray();

            return(new LogEntry(address, data, topics));
        }
Ejemplo n.º 10
0
        public TxReceipt Decode(RlpStream rlpStream, RlpBehaviors rlpBehaviors = RlpBehaviors.None)
        {
            if (rlpStream.IsNextItemNull())
            {
                rlpStream.ReadByte();
                return(null);
            }

            bool      isStorage = (rlpBehaviors & RlpBehaviors.Storage) != 0;
            TxReceipt txReceipt = new TxReceipt();

            rlpStream.ReadSequenceLength();
            byte[] firstItem = rlpStream.DecodeByteArray();
            if (firstItem.Length == 1)
            {
                txReceipt.StatusCode = firstItem[0];
            }
            else
            {
                txReceipt.PostTransactionState = firstItem.Length == 0 ? null : new Keccak(firstItem);
            }

            if (isStorage)
            {
                txReceipt.BlockHash = rlpStream.DecodeKeccak();
            }
            if (isStorage)
            {
                txReceipt.BlockNumber = (long)rlpStream.DecodeUInt256();
            }
            if (isStorage)
            {
                txReceipt.Index = rlpStream.DecodeInt();
            }
            if (isStorage)
            {
                txReceipt.Sender = rlpStream.DecodeAddress();
            }
            if (isStorage)
            {
                txReceipt.Recipient = rlpStream.DecodeAddress();
            }
            if (isStorage)
            {
                txReceipt.ContractAddress = rlpStream.DecodeAddress();
            }
            if (isStorage)
            {
                txReceipt.GasUsed = (long)rlpStream.DecodeUBigInt();
            }
            txReceipt.GasUsedTotal = (long)rlpStream.DecodeUBigInt();
            txReceipt.Bloom        = rlpStream.DecodeBloom();

            int             lastCheck  = rlpStream.ReadSequenceLength() + rlpStream.Position;
            List <LogEntry> logEntries = new List <LogEntry>();

            while (rlpStream.Position < lastCheck)
            {
                logEntries.Add(Rlp.Decode <LogEntry>(rlpStream, RlpBehaviors.AllowExtraData));
            }

            bool allowExtraData = (rlpBehaviors & RlpBehaviors.AllowExtraData) != 0;

            if (!allowExtraData)
            {
                rlpStream.Check(lastCheck);
            }

            if (!allowExtraData)
            {
                if (isStorage && _supportTxHash)
                {
                    // since txHash was added later and may not be in rlp, we provide special mark byte that it will be next
                    if (rlpStream.PeekByte() == MarkTxHashByte)
                    {
                        rlpStream.ReadByte();
                        txReceipt.TxHash = rlpStream.DecodeKeccak();
                    }
                }

                // since error was added later we can only rely on it in cases where we read receipt only and no data follows, empty errors might not be serialized
                if (rlpStream.Position != rlpStream.Length)
                {
                    txReceipt.Error = rlpStream.DecodeString();
                }
            }

            txReceipt.Logs = logEntries.ToArray();
            return(txReceipt);
        }
Ejemplo n.º 11
0
        public BlockHeader?Decode(RlpStream rlpStream, RlpBehaviors rlpBehaviors = RlpBehaviors.None)
        {
            if (rlpStream.IsNextItemNull())
            {
                rlpStream.ReadByte();
                return(null);
            }

            Span <byte> headerRlp            = rlpStream.PeekNextItem();
            int         headerSequenceLength = rlpStream.ReadSequenceLength();
            int         headerCheck          = rlpStream.Position + headerSequenceLength;

            Keccak? parentHash       = rlpStream.DecodeKeccak();
            Keccak? unclesHash       = rlpStream.DecodeKeccak();
            Address?beneficiary      = rlpStream.DecodeAddress();
            Keccak? stateRoot        = rlpStream.DecodeKeccak();
            Keccak? transactionsRoot = rlpStream.DecodeKeccak();
            Keccak? receiptsRoot     = rlpStream.DecodeKeccak();
            Bloom?  bloom            = rlpStream.DecodeBloom();
            UInt256 difficulty       = rlpStream.DecodeUInt256();
            long    number           = rlpStream.DecodeLong();
            long    gasLimit         = rlpStream.DecodeLong();
            long    gasUsed          = rlpStream.DecodeLong();
            UInt256 timestamp        = rlpStream.DecodeUInt256();

            byte[]? extraData = rlpStream.DecodeByteArray();

            BlockHeader blockHeader = new(
                parentHash,
                unclesHash,
                beneficiary,
                difficulty,
                number,
                gasLimit,
                timestamp,
                extraData)
            {
                StateRoot    = stateRoot,
                TxRoot       = transactionsRoot,
                ReceiptsRoot = receiptsRoot,
                Bloom        = bloom,
                GasUsed      = gasUsed,
                Hash         = Keccak.Compute(headerRlp)
            };

            if (rlpStream.PeekPrefixAndContentLength().ContentLength == Keccak.Size)
            {
                blockHeader.MixHash = rlpStream.DecodeKeccak();
                blockHeader.Nonce   = (ulong)rlpStream.DecodeUBigInt();
            }
            else
            {
                blockHeader.AuRaStep      = (long)rlpStream.DecodeUInt256();
                blockHeader.AuRaSignature = rlpStream.DecodeByteArray();
            }

            if (blockHeader.Number >= Eip1559TransitionBlock)
            {
                blockHeader.BaseFeePerGas = rlpStream.DecodeUInt256();
            }

            if ((rlpBehaviors & RlpBehaviors.AllowExtraData) != RlpBehaviors.AllowExtraData)
            {
                rlpStream.Check(headerCheck);
            }

            return(blockHeader);
        }
Ejemplo n.º 12
0
        public BlockHeader Decode(RlpStream rlpStream, RlpBehaviors rlpBehaviors = RlpBehaviors.None)
        {
            if (rlpStream.IsNextItemNull())
            {
                rlpStream.ReadByte();
                return(null);
            }

            var headerRlp            = rlpStream.PeekNextItem();
            int headerSequenceLength = rlpStream.ReadSequenceLength();
            int headerCheck          = rlpStream.Position + headerSequenceLength;

            Keccak  parentHash       = rlpStream.DecodeKeccak();
            Keccak  ommersHash       = rlpStream.DecodeKeccak();
            Address beneficiary      = rlpStream.DecodeAddress();
            Keccak  stateRoot        = rlpStream.DecodeKeccak();
            Keccak  transactionsRoot = rlpStream.DecodeKeccak();
            Keccak  receiptsRoot     = rlpStream.DecodeKeccak();
            Bloom   bloom            = rlpStream.DecodeBloom();
            UInt256 difficulty       = rlpStream.DecodeUInt256();
            UInt256 number           = rlpStream.DecodeUInt256();
            UInt256 gasLimit         = rlpStream.DecodeUInt256();
            UInt256 gasUsed          = rlpStream.DecodeUInt256();
            UInt256 timestamp        = rlpStream.DecodeUInt256();

            byte[] extraData = rlpStream.DecodeByteArray();

            BlockHeader blockHeader = new BlockHeader(
                parentHash,
                ommersHash,
                beneficiary,
                difficulty,
                (long)number,
                (long)gasLimit,
                timestamp,
                extraData)
            {
                StateRoot    = stateRoot,
                TxRoot       = transactionsRoot,
                ReceiptsRoot = receiptsRoot,
                Bloom        = bloom,
                GasUsed      = (long)gasUsed,
                Hash         = Keccak.Compute(headerRlp)
            };

            if (rlpStream.PeekPrefixAndContentLength().ContentLength == Keccak.Size)
            {
                blockHeader.MixHash = rlpStream.DecodeKeccak();
                blockHeader.Nonce   = (ulong)rlpStream.DecodeUBigInt();
            }
            else
            {
                blockHeader.AuRaStep      = (long)rlpStream.DecodeUInt256();
                blockHeader.AuRaSignature = rlpStream.DecodeByteArray();
            }

            if ((rlpBehaviors & RlpBehaviors.AllowExtraData) != RlpBehaviors.AllowExtraData)
            {
                rlpStream.Check(headerCheck);
            }

            return(blockHeader);
        }