private static ParityTraceAction DecodeAction(Rlp.DecoderContext context)
{
ParityTraceAction action = new ParityTraceAction();
int sequenceLength = context.ReadSequenceLength();
if (context.ReadNumberOfItemsRemaining(context.Position + sequenceLength) == 3)
{
action.CallType = "reward";
action.RewardType = context.DecodeString();
action.Author = context.DecodeAddress();
action.Value = context.DecodeUInt256();
action.TraceAddress = Array.Empty <int>();
}
else
{
action.CallType = context.DecodeString();
action.From = context.DecodeAddress();
action.To = context.DecodeAddress();
action.Value = context.DecodeUInt256();
action.Gas = context.DecodeLong();
action.Input = context.DecodeByteArray();
action.Result = new ParityTraceResult();
action.Result.Output = context.DecodeByteArray();
action.Result.GasUsed = context.DecodeLong();
action.TraceAddress = context.DecodeArray(c => c.DecodeInt());
int subtracesCount = context.DecodeInt();
action.Subtraces = new List <ParityTraceAction>(subtracesCount);
for (int i = 0; i < subtracesCount; i++)
{
action.Subtraces.Add(DecodeAction(context));
}
}
return(action);
}
public StatusMessage Deserialize(byte[] bytes)
{
try
{
StatusMessage statusMessage = new StatusMessage();
Rlp.DecoderContext context = bytes.AsRlpContext();
context.ReadSequenceLength();
statusMessage.ProtocolVersion = context.DecodeByte();
statusMessage.ChainId = context.DecodeUInt256();
statusMessage.TotalDifficulty = context.DecodeUInt256();
statusMessage.BestHash = context.DecodeKeccak();
statusMessage.GenesisHash = context.DecodeKeccak();
return(statusMessage);
}
catch (Exception)
{
// TODO: still to be explained...
StatusMessage statusMessage = new StatusMessage();
Rlp.DecoderContext context = bytes.AsSpan(3).ToArray().AsRlpContext();
context.ReadSequenceLength();
statusMessage.ProtocolVersion = context.DecodeByte();
statusMessage.ChainId = context.DecodeUInt256();
statusMessage.TotalDifficulty = context.DecodeUInt256();
statusMessage.BestHash = context.DecodeKeccak();
statusMessage.GenesisHash = context.DecodeKeccak();
statusMessage.StrangePrefix = bytes.AsSpan(0, 3).ToArray().ToHexString();
return(statusMessage);
}
}
public StatusMessage Deserialize(byte[] bytes)
{
StatusMessage statusMessage = new StatusMessage();
Rlp.DecoderContext context = bytes.AsRlpContext();
context.ReadSequenceLength();
statusMessage.ProtocolVersion = context.DecodeByte();
statusMessage.ChainId = context.DecodeUInt256();
statusMessage.TotalDifficulty = context.DecodeUInt256();
statusMessage.BestHash = context.DecodeKeccak();
statusMessage.GenesisHash = context.DecodeKeccak();
return(statusMessage);
}
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);
}
private ParityStateChange <UInt256> DecodeChange(Rlp.DecoderContext context)
{
int sequenceLength = context.ReadSequenceLength();
if (sequenceLength == 0)
{
return(null);
}
ParityStateChange <UInt256> change = new ParityStateChange <UInt256>(context.DecodeUInt256(), context.DecodeUInt256());
return(change);
}
private SortedList <Address, UInt256> DecodeSigners(Rlp.DecoderContext context)
{
context.ReadSequenceLength();
SortedList <Address, UInt256> signers = new SortedList <Address, UInt256>(CliqueAddressComparer.Instance);
int length = context.DecodeInt();
for (int i = 0; i < length; i++)
{
Address signer = context.DecodeAddress();
UInt256 signedAt = context.DecodeUInt256();
signers.Add(signer, signedAt);
}
return(signers);
}
private List <Vote> DecodeVotes(Rlp.DecoderContext context)
{
context.ReadSequenceLength();
List <Vote> votes = new List <Vote>();
int length = context.DecodeInt();
for (int i = 0; i < length; i++)
{
Address signer = context.DecodeAddress();
UInt256 block = context.DecodeUInt256();
Address address = context.DecodeAddress();
bool authorize = context.DecodeBool();
Vote vote = new Vote(signer, block, address, authorize);
votes.Add(vote);
}
return(votes);
}
public ParityLikeTxTrace Decode(Rlp.DecoderContext context, RlpBehaviors rlpBehaviors = RlpBehaviors.None)
{
ParityLikeTxTrace trace = new ParityLikeTxTrace();
context.ReadSequenceLength();
trace.BlockHash = context.DecodeKeccak();
trace.BlockNumber = context.DecodeUInt256();
trace.TransactionHash = context.DecodeKeccak();
byte[] txPosBytes = context.DecodeByteArray();
trace.TransactionPosition = txPosBytes.Length == 0 ? (int?)null : txPosBytes.ToInt32();
context.ReadSequenceLength();
trace.Action = DecodeAction(context);
trace.StateChanges = DecodeStateDiff(context);
// stateChanges
return(trace);
}
private Dictionary <UInt256, ParityStateChange <byte[]> > DecodeStorageChange(Rlp.DecoderContext context)
{
int checkpoint = context.ReadSequenceLength();
var change = new Dictionary <UInt256, ParityStateChange <byte[]> >();
int itemsCount = context.ReadNumberOfItemsRemaining(context.Position + checkpoint);
if (itemsCount == 0)
{
return(null);
}
for (int i = 0; i < itemsCount; i = i + 2)
{
change[context.DecodeUInt256()] = DecodeByteChange(context);
}
return(change);
}
public Snapshot Decode(Rlp.DecoderContext context, RlpBehaviors rlpBehaviors = RlpBehaviors.None)
{
context.ReadSequenceLength();
// Block number
UInt256 number = context.DecodeUInt256();
// Hash
Keccak hash = context.DecodeKeccak();
// Signers
SortedList <Address, UInt256> signers = DecodeSigners(context);
// Votes
List <Vote> votes = DecodeVotes(context);
// Tally
Dictionary <Address, Tally> tally = DecodeTally(context);
Snapshot snapshot = new Snapshot(number, hash, signers, tally);
snapshot.Votes = votes;
return(snapshot);
}
public GetBlockHeadersMessage Deserialize(byte[] bytes)
{
GetBlockHeadersMessage message = new GetBlockHeadersMessage();
Rlp.DecoderContext context = bytes.AsRlpContext();
context.ReadSequenceLength();
int position = context.Position;
byte[] startingBytes = context.DecodeByteArray();
context.Position = position;
if (startingBytes.Length == 32)
{
message.StartingBlockHash = context.DecodeKeccak();
}
else
{
message.StartingBlockNumber = (long)context.DecodeUInt256();
}
message.MaxHeaders = context.DecodeInt();
message.Skip = context.DecodeInt();
message.Reverse = context.DecodeByte();
return(message);
}
public Snapshot Decode(Rlp.DecoderContext context, RlpBehaviors rlpBehaviors = RlpBehaviors.None)
{
context.ReadSequenceLength();
// Config
CliqueConfig config = new CliqueConfig(15, 30000);
// Signature cache
LruCache <Keccak, Address> sigCache = new LruCache <Keccak, Address>(Clique.InMemorySignatures);
// Block number
UInt256 number = context.DecodeUInt256();
// Hash
Keccak hash = context.DecodeKeccak();
// Signers
SortedList <Address, UInt256> signers = DecodeSigners(context);
// Votes
List <Vote> votes = DecodeVotes(context);
// Tally
Dictionary <Address, Tally> tally = DecodeTally(context);
Snapshot snapshot = new Snapshot(config, sigCache, number, hash, signers, tally);
snapshot.Votes = votes;
return(snapshot);
}