internal override byte[] GenerateBytes() { var builder = new FlatBufferBuilder(1); // create message var bytePayload = Message.GetPayload(); var payload = MessageBuffer.CreatePayloadVector(builder, bytePayload); MessageBuffer.StartMessageBuffer(builder); MessageBuffer.AddType(builder, Message.GetMessageType()); MessageBuffer.AddPayload(builder, payload); var messageVector = MessageBuffer.EndMessageBuffer(builder); // create mosaics var mosaicBuffers = new Offset <MosaicBuffer> [Mosaics.Count]; for (var index = 0; index < Mosaics.Count; ++index) { var mosaic = Mosaics[index]; var id = MosaicBuffer.CreateIdVector(builder, mosaic.Id.Id.ToUInt8Array()); var amount = MosaicBuffer.CreateAmountVector(builder, mosaic.Amount.ToUInt8Array()); MosaicBuffer.StartMosaicBuffer(builder); MosaicBuffer.AddId(builder, id); MosaicBuffer.AddAmount(builder, amount); mosaicBuffers[index] = MosaicBuffer.EndMosaicBuffer(builder); } // create recipient byte[] recipientBytes = Recipient.GetBytes(); // create vectors var signatureVector = TransferTransactionBuffer.CreateSignatureVector(builder, new byte[64]); var signerVector = TransferTransactionBuffer.CreateSignerVector(builder, GetSigner()); var deadlineVector = TransferTransactionBuffer.CreateDeadlineVector(builder, Deadline.Ticks.ToUInt8Array()); var feeVector = TransferTransactionBuffer.CreateMaxFeeVector(builder, MaxFee?.ToUInt8Array()); var recipientVector = TransferTransactionBuffer.CreateRecipientVector(builder, recipientBytes); var mosaicsVector = TransferTransactionBuffer.CreateMosaicsVector(builder, mosaicBuffers); // total size of transaction /*var totalSize = HEADER_SIZE + 25 // recipient + 2 // message size is short + 1 // message type byte + 1 // no of mosaics + ((8 + 8) * Mosaics.Count) //each mosaic has id(8bytes) and amount(8bytes) + bytePayload.Length; // number of message bytes*/ var totalSize = GetSerializedSize(); // create version var version = GetTxVersionSerialization(); // add vectors TransferTransactionBuffer.StartTransferTransactionBuffer(builder); TransferTransactionBuffer.AddSize(builder, (uint)totalSize); TransferTransactionBuffer.AddSignature(builder, signatureVector); TransferTransactionBuffer.AddSigner(builder, signerVector); TransferTransactionBuffer.AddVersion(builder, (uint)version); TransferTransactionBuffer.AddType(builder, EntityType.TRANSFER.GetValue()); TransferTransactionBuffer.AddMaxFee(builder, feeVector); TransferTransactionBuffer.AddDeadline(builder, deadlineVector); TransferTransactionBuffer.AddRecipient(builder, recipientVector); TransferTransactionBuffer.AddNumMosaics(builder, (byte)Mosaics.Count); TransferTransactionBuffer.AddMessageSize(builder, (ushort)(bytePayload.Length + 1)); TransferTransactionBuffer.AddMessage(builder, messageVector); TransferTransactionBuffer.AddMosaics(builder, mosaicsVector); // end build var codedTransfer = TransferTransactionBuffer.EndTransferTransactionBuffer(builder); builder.Finish(codedTransfer.Value); // validate size var output = new TransferTransactionSchema().Serialize(builder.SizedByteArray()); if (output.Length != totalSize) { throw new SerializationException("Serialized form has incorrect length"); } return(output); }