public static Gtx Decode(byte[] encodedMessage)
{
var gtx = new Gtx();
var gtxTransaction = new ASN1.AsnReader(encodedMessage);
var gtxValue = GTXValue.Decode(gtxTransaction);
var gtxPayload = gtxValue.Array[0];
gtx.BlockchainID = PostchainUtil.ByteArrayToString(gtxPayload.Array[0].ByteArray);
foreach (var opArr in gtxPayload.Array[1].Array)
{
var op = opArr.ToObjectArray();
var opName = opArr.Array[0].String;
var opArgs = opArr.Array[1].ToObjectArray();
gtx.AddOperationToGtx(opName, opArgs);
}
foreach (var signer in gtxPayload.Array[2].Array)
{
gtx.AddSignerToGtx(signer.ByteArray);
}
foreach (var sig in gtxValue.Array[1].Array)
{
gtx.Signatures.Add(sig.ByteArray);
}
return(gtx);
}
public static GTXValue Decode(ASN1.AsnReader sequence)
{
var val = new GTXValue();
byte choice = sequence.ReadChoice();
sequence.ReadLength();
switch (choice)
{
case ASN1.AsnUtil.TAG_NULL:
{
val.Choice = GTXValueChoice.Null;
sequence.ReadChoice();
sequence.ReadChoice();
break;
}
case ASN1.AsnUtil.TAG_BYTE_ARRAY:
{
val.Choice = GTXValueChoice.ByteArray;
val.ByteArray = sequence.ReadOctetString();
break;
}
case ASN1.AsnUtil.TAG_STRING:
{
val.Choice = GTXValueChoice.String;
val.String = sequence.ReadUTF8String();
break;
}
case ASN1.AsnUtil.TAG_INTEGER:
{
val.Choice = GTXValueChoice.Integer;
val.Integer = sequence.ReadInteger();
break;
}
case ASN1.AsnUtil.TAG_ARRAY:
{
val.Choice = GTXValueChoice.Array;
val.Array = new List <GTXValue>();
var innerSequence = sequence.ReadSequence();
while (innerSequence.RemainingBytes > 0)
{
val.Array.Add(GTXValue.Decode(innerSequence));
}
break;
}
case ASN1.AsnUtil.TAG_DICT:
{
val.Choice = GTXValueChoice.Dict;
val.Dict = new List <DictPair>();
var innerSequence = sequence.ReadSequence();
while (innerSequence.RemainingBytes > 0)
{
val.Dict.Add(DictPair.Decode(innerSequence));
}
break;
}
default:
{
throw new System.Exception("Unknown choice tag: " + choice.ToString("X2"));
}
}
return(val);
}
