public Builder(sdkxdr.PathPaymentOp op)
 {
     _SendAsset   = Asset.FromXdr(op.SendAsset);
     _SendMax     = FromXdrAmount(op.SendMax.InnerValue);
     _Destination = KeyPair.FromXdrPublicKey(op.Destination.InnerValue);
     _DestAsset   = Asset.FromXdr(op.DestAsset);
     _DestAmount  = FromXdrAmount(op.DestAmount.InnerValue);
     _Path        = new Asset[op.Path.Length];
     for (var i = 0; i < op.Path.Length; i++)
     {
         _Path[i] = Asset.FromXdr(op.Path[i]);
     }
 }
        public override sdkxdr.Operation.OperationBody ToOperationBody()
        {
            var op = new sdkxdr.PathPaymentOp();

            // sendAsset
            op.SendAsset = SendAsset.ToXdr();
            // sendMax
            var sendMax = new sdkxdr.Int64();

            sendMax.InnerValue = ToXdrAmount(SendMax);
            op.SendMax         = sendMax;
            // destination
            var destination = new sdkxdr.AccountID();

            destination.InnerValue = Destination.XdrPublicKey;
            op.Destination         = destination;
            // destAsset
            op.DestAsset = DestAsset.ToXdr();
            // destAmount
            var destAmount = new sdkxdr.Int64();

            destAmount.InnerValue = ToXdrAmount(DestAmount);
            op.DestAmount         = destAmount;
            // path
            var path = new sdkxdr.Asset[Path.Length];

            for (var i = 0; i < Path.Length; i++)
            {
                path[i] = Path[i].ToXdr();
            }
            op.Path = path;

            var body = new sdkxdr.Operation.OperationBody();

            body.Discriminant  = sdkxdr.OperationType.Create(sdkxdr.OperationType.OperationTypeEnum.PATH_PAYMENT);
            body.PathPaymentOp = op;
            return(body);
        }