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); }