Example #1
0
        public static bool IsValidText(string text, out Zen zen)
        {
            var parts = text.Trim().Split('.');

            zen = null;

            if (parts.Length == 2 && parts[1].Length > 8)
            {
                return(false);
            }

            long kalapas;
            var  isValid = long.TryParse(text, out kalapas);

            if (isValid)
            {
                zen = new Zen(kalapas);
            }

            return(isValid);
        }
        public WalletSendLayout()
        {
            this.Build();

            SendInfo = new SendInfo();

            _AssetsController = new AssetsController(this);
            _DeltasController = new DeltasController(this);

            vboxDataPaste.ModifyFg(StateType.Normal, Constants.Colors.DialogBackground.Gdk);
            eventboxSeperator.ModifyBg(StateType.Normal, Constants.Colors.Seperator.Gdk);
            eventboxSeperator1.ModifyBg(StateType.Normal, Constants.Colors.Seperator.Gdk);

            entryAmount.ModifyFg(StateType.Normal, Constants.Colors.Text2.Gdk);
            entryAmount.ModifyFont(Constants.Fonts.ActionBarSmall);

            labelBalance.ModifyFg(StateType.Normal, Constants.Colors.TextBlue.Gdk);
            labelBalance.ModifyFont(Constants.Fonts.LogBig);

            labelHeader.ModifyFg(StateType.Normal, Constants.Colors.TextHeader.Gdk);
            labelHeader.ModifyFont(Constants.Fonts.ActionBarBig);

            //error labels
            Apply((Label label) =>
            {
                label.ModifyFg(StateType.Normal, Constants.Colors.Error.Gdk);
                label.ModifyFont(Constants.Fonts.ActionBarSmall);
            }, labelDestinationError, labelDataError, labelAmountError);

            //labels
            Apply((Label label) =>
            {
                label.ModifyFg(StateType.Normal, Constants.Colors.LabelText.Gdk);
                label.ModifyFont(Constants.Fonts.ActionBarIntermediate);
            }, labelDestination, labelData, labelAmount, labelSelectAsset, labelBalanceHeader);

            //entries
            Apply((Entry entry) =>
            {
                entry.ModifyBg(StateType.Normal, Constants.Colors.Seperator.Gdk);
                entry.ModifyText(StateType.Normal, Constants.Colors.Text.Gdk);
                entry.ModifyFont(Constants.Fonts.ActionBarSmall);
                entry.ModifyBase(StateType.Normal, Constants.Colors.ButtonUnselected.Gdk);
            }, entryDestination, entryAmount);

            txtData.ModifyFg(StateType.Normal, Constants.Colors.Text2.Gdk);
            txtData.ModifyFont(Constants.Fonts.ActionBarSmall);
            txtData.ModifyBase(StateType.Normal, Constants.Colors.ButtonUnselected.Gdk);
            txtData.ModifyText(StateType.Normal, Constants.Colors.Text.Gdk);


            _Tx = null;

            eventboxPasteAddress.ButtonPressEvent += delegate
            {
                try
                {
                    var clipboard = Gtk.Clipboard.Get(Gdk.Atom.Intern("CLIPBOARD", true));
                    entryDestination.Text = clipboard.WaitForText();
                }
                catch { }
            };

            eventboxPasterData.ButtonPressEvent += delegate
            {
                try
                {
                    var clipboard = Gtk.Clipboard.Get(Gdk.Atom.Intern("CLIPBOARD", true));
                    txtData.Buffer.Text = clipboard.WaitForText();
                }
                catch { }
            };

            vboxMainInner.Remove(vboxData);

            entryDestination.Changed += (sender, e) =>
            {
                try
                {
                    var value = ((Entry)sender).Text;

                    var address = string.IsNullOrEmpty(value) ? null : new Address(value);
                    SendInfo.Destination       = address;
                    labelDestinationError.Text = "";

                    vboxMainInner.Remove(vboxData);

                    if (address != null && address.AddressType == AddressType.Contract)
                    {
                        vboxMainInner.Add(vboxData);
                        vboxMainInner.ReorderChild(vboxData, 2);
                    }
                }
                catch
                {
                    SendInfo.Destination       = null;
                    labelDestinationError.Text = "Invalid address";
                }

                UpdateButtons();
            };

            txtData.Buffer.Changed += (sender, e) =>
            {
                var text = ((TextBuffer)sender).Text;

                if (string.IsNullOrWhiteSpace(text) || text.Trim().Length == 0)
                {
                    SendInfo.Data       = null;
                    SendInfo.DataValid  = true;
                    labelDataError.Text = "";
                }
                else
                {
                    try
                    {
                        SendInfo.Data       = JObject.Parse(text); //TODO: deeper validation
                        SendInfo.DataValid  = true;
                        labelDataError.Text = "";
                    }
                    catch
                    {
                        SendInfo.Data       = null;
                        SendInfo.DataValid  = false;
                        labelDataError.Text = "Invalid data";
                    }
                }

                UpdateButtons();
            };

            entryAmount.Changed += (sender, e) =>
            {
                var text = ((Entry)sender).Text;

                if (text.Trim().Length == 0)
                {
                    SendInfo.Amount       = 0;
                    labelAmountError.Text = "";
                }
                else
                {
                    Zen zen;
                    if (!Zen.IsValidText(text, out zen))
                    {
                        SendInfo.Amount       = 0;
                        labelAmountError.Text = "Invalid amount";
                    }
                    else
                    {
                        SendInfo.Amount = zen.Kalapas;
                        CheckAssetAmount();
                    }
                }

                UpdateButtons();
            };

            eventboxBack.ButtonPressEvent += Back;

            comboboxAsset.Model = _AssetsStore;
            var textRenderer = new CellRendererText();

            comboboxAsset.PackStart(textRenderer, false);
            comboboxAsset.AddAttribute(textRenderer, "text", 1);

            comboboxAsset.Changed += (sender, e) =>
            {
                var      comboBox = sender as Gtk.ComboBox;
                TreeIter iter;

                if (comboBox.GetActiveIter(out iter))
                {
                    var value = new GLib.Value();
                    comboBox.Model.GetValue(iter, 0, ref value);
                    byte[] asset = value.Val as byte[];
                    SendInfo.Asset = asset;
                }
                else
                {
                    SendInfo.Asset = null;
                }

                // var assetMatadataList = App.Instance.AssetsMetadata.GetAssetMatadataList().Where(t => t.Asset.SequenceEqual(SendInfo.Asset));

                //            if (assetMatadataList.Count() != 0)
                //            {
                //    labelSelectedAsset.Text = assetMatadataList.First().Display;
                //    labelSelectedAsset1.Text = assetMatadataList.First().Display;
                //}

                UpdateBalance();
            };

            TreeIter iterDefault;

            if (_AssetsStore.Find(t => t.SequenceEqual(Consensus.Tests.zhash), out iterDefault))
            {
                comboboxAsset.SetActiveIter(iterDefault);
            }

            UpdateBalance();

            eventboxSend.ButtonPressEvent += async delegate {
                SendInfo.Reset();
                UpdateStatus("");
                HideButtons();

                if (SendInfo.Destination.AddressType == AddressType.Contract && SendInfo.Data != null)
                {
                    try
                    {
                        var data = SendInfo.Data;

                        byte[] firstData = null;

                        if (data["first"] is JObject)
                        {
                            byte[] signature;

                            var pubkey = Convert.FromBase64String(data["first"]["pubkey"].Value <string>());
                            var toSign = Convert.FromBase64String(data["first"]["toSign"].Value <string>());

                            //TODO: run on non-ui thread?
                            if (!App.Instance.Wallet.SignData(pubkey, toSign, out signature))
                            {
                                labelDataError.Text = "Could not sign data";
                                UpdateButtons();
                                return;
                            }

                            byte[] _data = Convert.FromBase64String(data["first"]["data"].Value <string>());

                            firstData = _data.Concat(signature).ToArray();
                        }
                        else
                        {
                            firstData = Convert.FromBase64String(data["first"].ToString());
                        }

                        SendInfo.Destination.Data = firstData;

                        if (data["second"] is JObject)
                        {
                            SendInfo.Json       = ContractUtilities.DataGenerator.parseJson(data.ToString());
                            SendInfo.NeedAutoTx = true;
                        }
                    } catch {
                        labelDataError.Text = "Could not parse data";
                        UpdateButtons();
                        return;
                    }
                }

                _Tx = await Task.Run(() => App.Instance.Wallet.Sign(
                                         SendInfo.Destination,
                                         SendInfo.Asset,
                                         SendInfo.Amount
                                         ));

                SendInfo.Signed = _Tx != null;

                if (!SendInfo.Signed)
                {
                    Gtk.Application.Invoke(delegate
                    {
                        UpdateStatus("Could not sign transaction");
                    });
                    return;
                }

                await Task.Run(() =>
                {
                    try
                    {
                        WalletSendLayout.SendInfo.TxResult = App.Instance.Node.Transmit(WalletSendLayout.Tx).Result;

                        if (WalletSendLayout.SendInfo.TxResult != BlockChain.BlockChain.TxResultEnum.Accepted)
                        {
                            Gtk.Application.Invoke(delegate
                            {
                                UpdateStatus($"Could not broadcast transaction ({WalletSendLayout.SendInfo.TxResult})");
                            });
                        }
                        else if (!WalletSendLayout.SendInfo.NeedAutoTx)
                        {
                            Gtk.Application.Invoke(delegate
                            {
                                UpdateStatus("Transaction transmitted", true);
                            });
                        }
                        else
                        {
                            var outputIdx = WalletSendLayout.Tx.outputs.ToList().FindIndex(t => t.@lock is Consensus.Types.OutputLock.ContractLock);
                            var outpoint  = new Types.Outpoint(Merkle.transactionHasher.Invoke(WalletSendLayout.Tx), (uint)outputIdx);

                            byte[] witnessData = ContractUtilities.DataGenerator.makeMessage(
                                WalletSendLayout.SendInfo.Json,
                                outpoint);

                            var autoTxResult = new ExecuteContractAction()
                            {
                                ContractHash = WalletSendLayout.SendInfo.Destination.Bytes,
                                Message      = witnessData
                            }.Publish().Result;

                            WalletSendLayout.SendInfo.AutoTxCreated = autoTxResult.Item1;

                            if (WalletSendLayout.SendInfo.AutoTxCreated)
                            {
                                WalletSendLayout.SendInfo.AutoTxResult = App.Instance.Node.Transmit(autoTxResult.Item2).Result;

                                if (WalletSendLayout.SendInfo.AutoTxResult == BlockChain.BlockChain.TxResultEnum.Accepted)
                                {
                                    Gtk.Application.Invoke(delegate
                                    {
                                        UpdateStatus("Transmitted", true);
                                    });
                                }
                                else
                                {
                                    Gtk.Application.Invoke(delegate
                                    {
                                        UpdateStatus($"Could not broadcast auto transaction ({WalletSendLayout.SendInfo.AutoTxResult})");
                                    });
                                }
                            }
                            else
                            {
                                Gtk.Application.Invoke(delegate
                                {
                                    UpdateStatus($"Could not execute contract");
                                });
                            }
                        }
                    }
                    catch
                    {
                        Gtk.Application.Invoke(delegate
                        {
                            UpdateStatus("Error sending message to contract");
                        });
                    }
                });
            };
        }