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);
}