Beispiel #1
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);
        }