public static Signature DecodeSignature(Rlp.DecoderContext context)
{
Span <byte> vBytes = context.DecodeByteArraySpan();
Span <byte> rBytes = context.DecodeByteArraySpan();
Span <byte> sBytes = context.DecodeByteArraySpan();
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();
if (rBytes.SequenceEqual(Bytes.Zero32) && sBytes.SequenceEqual(Bytes.Zero32))
{
throw new RlpException("Both 'r' and 's' are zero when decoding a transaction.");
}
Signature signature = new Signature(rBytes, sBytes, v);
return(signature);
}
public NetworkNode Decode(Rlp.DecoderContext context, RlpBehaviors rlpBehaviors = RlpBehaviors.None)
{
context.ReadSequenceLength();
var publicKey = new PublicKey(context.DecodeByteArray());
var ip = System.Text.Encoding.UTF8.GetString(context.DecodeByteArray());
var port = context.DecodeByteArraySpan().ToInt32();
System.Text.Encoding.UTF8.GetString(context.DecodeByteArray());
var reputation = context.DecodeByteArray().ToInt64();
var networkNode = new NetworkNode(publicKey, ip != string.Empty ? ip : null, port, reputation);
return(networkNode);
}
public ParityLikeTxTrace Decode(Rlp.DecoderContext context, RlpBehaviors rlpBehaviors = RlpBehaviors.None)
{
ParityLikeTxTrace trace = new ParityLikeTxTrace();
context.ReadSequenceLength();
trace.BlockHash = context.DecodeKeccak();
trace.BlockNumber = (long)context.DecodeUInt256();
trace.TransactionHash = context.DecodeKeccak();
Span <byte> txPosBytes = context.DecodeByteArraySpan();
trace.TransactionPosition = txPosBytes.Length == 0 ? (int?)null : txPosBytes.ToInt32();
context.ReadSequenceLength();
trace.Action = DecodeAction(context);
trace.StateChanges = DecodeStateDiff(context);
// stateChanges
return(trace);
}
