text: // Copyright (c) 2011-2014 The Bitcoin developers
  // Copyright (c) 2014-2015 The Dash developers
  // Copyright (c) 2015-2017 The PIVX developers 
  // Copyright (c) 2018 The Helmin developers
  // Distributed under the MIT/X11 software license, see the accompanying
  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
  
  #include "overviewpage.h"
  #include "ui_overviewpage.h"
  
  #include "bitcoinunits.h"
  #include "clientmodel.h"
  #include "guiconstants.h"
  #include "guiutil.h"
  #include "init.h"
  #include "Darksend.h"
  #include "Darksendconfig.h"
  #include "optionsmodel.h"
  #include "transactionfilterproxy.h"
  #include "transactiontablemodel.h"
  #include "walletmodel.h"
  
  #include <QAbstractItemDelegate>
  #include <QPainter>
  #include <QSettings>
  #include <QTimer>
  
  #define DECORATION_SIZE 48
  #define ICON_OFFSET 16
  #define NUM_ITEMS 5
  
  class TxViewDelegate : public QAbstractItemDelegate
  {
      Q_OBJECT
  public:
      TxViewDelegate() : QAbstractItemDelegate(), unit(BitcoinUnits::HLMN)
      {
      }
  
      inline void paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const
      {
          painter->save();
  
          QIcon icon = qvariant_cast<QIcon>(index.data(Qt::DecorationRole));
          QRect mainRect = option.rect;
          mainRect.moveLeft(ICON_OFFSET);
          QRect decorationRect(mainRect.topLeft(), QSize(DECORATION_SIZE, DECORATION_SIZE));
          int xspace = DECORATION_SIZE + 8;
          int ypad = 6;
          int halfheight = (mainRect.height() - 2 * ypad) / 2;
          QRect amountRect(mainRect.left() + xspace, mainRect.top() + ypad, mainRect.width() - xspace - ICON_OFFSET, halfheight);
          QRect addressRect(mainRect.left() + xspace, mainRect.top() + ypad + halfheight, mainRect.width() - xspace, halfheight);
          icon.paint(painter, decorationRect);
  
          QDateTime date = index.data(TransactionTableModel::DateRole).toDateTime();
          QString address = index.data(Qt::DisplayRole).toString();
          qint64 amount = index.data(TransactionTableModel::AmountRole).toLongLong();
          bool confirmed = index.data(TransactionTableModel::ConfirmedRole).toBool();
          QVariant value = index.data(Qt::ForegroundRole);
          QColor foreground = COLOR_BLACK;
          if (value.canConvert<QBrush>()) {
              QBrush brush = qvariant_cast<QBrush>(value);
              foreground = brush.color();
          }
  
          painter->setPen(foreground);
          QRect boundingRect;
          painter->drawText(addressRect, Qt::AlignLeft | Qt::AlignVCenter, address, &boundingRect);
  
          if (index.data(TransactionTableModel::WatchonlyRole).toBool()) {
              QIcon iconWatchonly = qvariant_cast<QIcon>(index.data(TransactionTableModel::WatchonlyDecorationRole));
              QRect watchonlyRect(boundingRect.right() + 5, mainRect.top() + ypad + halfheight, 16, halfheight);
              iconWatchonly.paint(painter, watchonlyRect);
          }
  
          if (amount < 0) {
              foreground = COLOR_NEGATIVE;
          } else if (!confirmed) {
              foreground = COLOR_UNCONFIRMED;
          } else {
              foreground = COLOR_BLACK;
          }
          painter->setPen(foreground);
          QString amountText = BitcoinUnits::formatWithUnit(unit, amount, true, BitcoinUnits::separatorAlways);
          if (!confirmed) {
              amountText = QString("[") + amountText + QString("]");
          }
          painter->drawText(amountRect, Qt::AlignRight | Qt::AlignVCenter, amountText);
  
          painter->setPen(COLOR_BLACK);
          painter->drawText(amountRect, Qt::AlignLeft | Qt::AlignVCenter, GUIUtil::dateTimeStr(date));
  
          painter->restore();
      }
  
      inline QSize sizeHint(const QStyleOptionViewItem& option, const QModelIndex& index) const
      {
          return QSize(DECORATION_SIZE, DECORATION_SIZE);
      }
  
      int unit;
  };
  #include "overviewpage.moc"
  
  OverviewPage::OverviewPage(QWidget* parent) : QWidget(parent),
                                                ui(new Ui::OverviewPage),
                                                clientModel(0),
                                                walletModel(0),
                                                currentBalance(-1),
                                                currentUnconfirmedBalance(-1),
                                                currentImmatureBalance(-1),
                                                currentWatchOnlyBalance(-1),
                                                currentWatchUnconfBalance(-1),
                                                currentWatchImmatureBalance(-1),
                                                txdelegate(new TxViewDelegate()),
                                                filter(0)
  {
      nDisplayUnit = 0; // just make sure it's not unitialized
      ui->setupUi(this);
  
      // Recent transactions
      ui->listTransactions->setItemDelegate(txdelegate);
      ui->listTransactions->setIconSize(QSize(DECORATION_SIZE, DECORATION_SIZE));
      ui->listTransactions->setMinimumHeight(NUM_ITEMS * (DECORATION_SIZE + 2));
      ui->listTransactions->setAttribute(Qt::WA_MacShowFocusRect, false);
  
      connect(ui->listTransactions, SIGNAL(clicked(QModelIndex)), this, SLOT(handleTransactionClicked(QModelIndex)));
  
  
      // init "out of sync" warning labels
      ui->labelWalletStatus->setText("(" + tr("out of sync") + ")");
      ui->labelDarksendSyncStatus->setText("(" + tr("out of sync") + ")");
      ui->labelTransactionsStatus->setText("(" + tr("out of sync") + ")");
  
  
  	
      if (fLiteMode) {
          ui->frameDarksend->setVisible(false);
      } else 
  	{
          if (fMasterNode) {
              ui->toggleDarksend->setText("(" + tr("Disabled") + ")");
              ui->DarksendAuto->setText("(" + tr("Disabled") + ")");
              ui->DarksendReset->setText("(" + tr("Disabled") + ")");
              ui->frameDarksend->setEnabled(false);
  			//AAAA Coinmix Tab
  			ui->frameDarksend->setVisible(false);
          } else {
              if (!fEnableDarksend) {
                  ui->toggleDarksend->setText(tr("Start Darksend"));
              } else {
                  ui->toggleDarksend->setText(tr("Stop Darksend"));
              }
  			//AAAA Coinmix Tab
  			ui->frameDarksend->setVisible(false);
              timer = new QTimer(this);
              connect(timer, SIGNAL(timeout()), this, SLOT(DarKsendStatus()));
              timer->start(1000);
          }
      }
  	
  	
  
      // start with displaying the "out of sync" warnings
      showOutOfSyncWarning(true);
  }
  
  void OverviewPage::handleTransactionClicked(const QModelIndex& index)
  {
      if (filter)
          emit transactionClicked(filter->mapToSource(index));
  }
  
  OverviewPage::~OverviewPage()
  {
  	
      if (!fLiteMode && !fMasterNode) disconnect(timer, SIGNAL(timeout()), this, SLOT(DarKsendStatus()));
      delete ui;
  }
  
  void OverviewPage::setBalance(const CAmount& balance, const CAmount& unconfirmedBalance, const CAmount& immatureBalance, const CAmount& anonymizedBalance, const CAmount& watchOnlyBalance, const CAmount& watchUnconfBalance, const CAmount& watchImmatureBalance)
  {
      currentBalance = balance;
      currentUnconfirmedBalance = unconfirmedBalance;
      currentImmatureBalance = immatureBalance;
      currentAnonymizedBalance = anonymizedBalance;
      currentWatchOnlyBalance = watchOnlyBalance;
      currentWatchUnconfBalance = watchUnconfBalance;
      currentWatchImmatureBalance = watchImmatureBalance;
  
  
     // ui->labelBalance->setText(BitcoinUnits::floorHtmlWithUnit(nDisplayUnit, balance - immatureBalance, false, BitcoinUnits::separatorAlways));
      ui->labelBalance->setText(BitcoinUnits::floorHtmlWithUnit(nDisplayUnit, balance, false, BitcoinUnits::separatorAlways));
  	ui->labelUnconfirmed->setText(BitcoinUnits::floorHtmlWithUnit(nDisplayUnit, unconfirmedBalance, false, BitcoinUnits::separatorAlways));
      ui->labelImmature->setText(BitcoinUnits::floorHtmlWithUnit(nDisplayUnit, immatureBalance, false, BitcoinUnits::separatorAlways));
      ui->labelAnonymized->setText(BitcoinUnits::floorHtmlWithUnit(nDisplayUnit, anonymizedBalance, false, BitcoinUnits::separatorAlways));
  	ui->labelTotal->setText(BitcoinUnits::floorHtmlWithUnit(nDisplayUnit, balance + unconfirmedBalance, false, BitcoinUnits::separatorAlways));
      //ui->labelTotal->setText(BitcoinUnits::floorHtmlWithUnit(nDisplayUnit, balance + unconfirmedBalance +immatureBalance, false, BitcoinUnits::separatorAlways));
  
  
      ui->labelWatchAvailable->setText(BitcoinUnits::floorHtmlWithUnit(nDisplayUnit, watchOnlyBalance, false, BitcoinUnits::separatorAlways));
      ui->labelWatchPending->setText(BitcoinUnits::floorHtmlWithUnit(nDisplayUnit, watchUnconfBalance, false, BitcoinUnits::separatorAlways));
      ui->labelWatchImmature->setText(BitcoinUnits::floorHtmlWithUnit(nDisplayUnit, watchImmatureBalance, false, BitcoinUnits::separatorAlways));
      ui->labelWatchTotal->setText(BitcoinUnits::floorHtmlWithUnit(nDisplayUnit, watchOnlyBalance + watchUnconfBalance + watchImmatureBalance, false, BitcoinUnits::separatorAlways));
  
      // only show immature (newly mined) balance if it's non-zero, so as not to complicate things
      // for the non-mining users
      bool showImmature = immatureBalance != 0;
      bool showWatchOnlyImmature = watchImmatureBalance != 0;
  
      // for symmetry reasons also show immature label when the watch-only one is shown
      ui->labelImmature->setVisible(showImmature || showWatchOnlyImmature);
      ui->labelImmatureText->setVisible(showImmature || showWatchOnlyImmature);
      ui->labelWatchImmature->setVisible(showWatchOnlyImmature); // show watch-only immature balance
  
      updateDarksendProgress();
  
      static int cachedTxLocks = 0;
  
      if (cachedTxLocks != nCompleteTXLocks) {
          cachedTxLocks = nCompleteTXLocks;
          ui->listTransactions->update();
      }
  }
  
  // show/hide watch-only labels
  void OverviewPage::updateWatchOnlyLabels(bool showWatchOnly)
  {
      ui->labelSpendable->setVisible(showWatchOnly);      // show spendable label (only when watch-only is active)
      ui->labelWatchonly->setVisible(showWatchOnly);      // show watch-only label
      ui->lineWatchBalance->setVisible(showWatchOnly);    // show watch-only balance separator line
      ui->labelWatchAvailable->setVisible(showWatchOnly); // show watch-only available balance
      ui->labelWatchPending->setVisible(showWatchOnly);   // show watch-only pending balance
      ui->labelWatchTotal->setVisible(showWatchOnly);     // show watch-only total balance
  
      if (!showWatchOnly) {
          ui->labelWatchImmature->hide();
      } else {
          ui->labelBalance->setIndent(20);
          ui->labelUnconfirmed->setIndent(20);
          ui->labelImmature->setIndent(20);
          ui->labelTotal->setIndent(20);
      }
  }
  
  void OverviewPage::setClientModel(ClientModel* model)
  {
      this->clientModel = model;
      if (model) {
          // Show warning if this is a prerelease version
          connect(model, SIGNAL(alertsChanged(QString)), this, SLOT(updateAlerts(QString)));
          updateAlerts(model->getStatusBarWarnings());
      }
  }
  
  void OverviewPage::setWalletModel(WalletModel* model)
  {
      this->walletModel = model;
      if (model && model->getOptionsModel()) {
          // Set up transaction list
          filter = new TransactionFilterProxy();
          filter->setSourceModel(model->getTransactionTableModel());
          filter->setLimit(NUM_ITEMS);
          filter->setDynamicSortFilter(true);
          filter->setSortRole(Qt::EditRole);
          filter->setShowInactive(false);
          filter->sort(TransactionTableModel::Date, Qt::DescendingOrder);
  
          ui->listTransactions->setModel(filter);
          ui->listTransactions->setModelColumn(TransactionTableModel::ToAddress);
  
          // Keep up to date with wallet
          setBalance(model->getBalance(), model->getUnconfirmedBalance(), model->getImmatureBalance(), model->getAnonymizedBalance(),
              model->getWatchBalance(), model->getWatchUnconfirmedBalance(), model->getWatchImmatureBalance());
          connect(model, SIGNAL(balanceChanged(CAmount, CAmount, CAmount, CAmount, CAmount, CAmount, CAmount)), this, SLOT(setBalance(CAmount, CAmount, CAmount, CAmount, CAmount, CAmount, CAmount)));
  
          connect(model->getOptionsModel(), SIGNAL(displayUnitChanged(int)), this, SLOT(updateDisplayUnit()));
  
          connect(ui->DarksendAuto, SIGNAL(clicked()), this, SLOT(DarksendAuto()));
          connect(ui->DarksendReset, SIGNAL(clicked()), this, SLOT(DarksendReset()));
          connect(ui->toggleDarksend, SIGNAL(clicked()), this, SLOT(toggleDarksend()));
          updateWatchOnlyLabels(model->haveWatchOnly());
          connect(model, SIGNAL(notifyWatchonlyChanged(bool)), this, SLOT(updateWatchOnlyLabels(bool)));
      }
  
      // update the display unit, to not use the default ("HLMN")
      updateDisplayUnit();
  }
  
  void OverviewPage::updateDisplayUnit()
  {
      if (walletModel && walletModel->getOptionsModel()) {
          nDisplayUnit = walletModel->getOptionsModel()->getDisplayUnit();
          if (currentBalance != -1)
              setBalance(currentBalance, currentUnconfirmedBalance, currentImmatureBalance, currentAnonymizedBalance,
                  currentWatchOnlyBalance, currentWatchUnconfBalance, currentWatchImmatureBalance);
  
          // Update txdelegate->unit with the current unit
          txdelegate->unit = nDisplayUnit;
  
          ui->listTransactions->update();
      }
  }
  
  void OverviewPage::updateAlerts(const QString& warnings)
  {
      this->ui->labelAlerts->setVisible(!warnings.isEmpty());
      this->ui->labelAlerts->setText(warnings);
  }
  
  void OverviewPage::showOutOfSyncWarning(bool fShow)
  {
      ui->labelWalletStatus->setVisible(fShow);
      ui->labelDarksendSyncStatus->setVisible(fShow);
      ui->labelTransactionsStatus->setVisible(fShow);
  }
  
  void OverviewPage::updateDarksendProgress()
  {
      if (!masternodeSync.IsBlockchainSynced() || ShutdownRequested()) return;
  
      if (!pwalletMain) return;
  
      QString strAmountAndRounds;
      QString strAnonymizeHLMNAmount = BitcoinUnits::formatHtmlWithUnit(nDisplayUnit, nAnonymizeHLMNAmount * COIN, false, BitcoinUnits::separatorAlways);
  
      if (currentBalance == 0) {
          ui->DarksendProgress->setValue(0);
          ui->DarksendProgress->setToolTip(tr("No inputs detected"));
  
          // when balance is zero just show info from settings
          strAnonymizeHLMNAmount = strAnonymizeHLMNAmount.remove(strAnonymizeHLMNAmount.indexOf("."), BitcoinUnits::decimals(nDisplayUnit) + 1);
          strAmountAndRounds = strAnonymizeHLMNAmount + " / " + tr("%n Rounds", "", nDarksendRounds);
  
          ui->labelAmountRounds->setToolTip(tr("No inputs detected"));
          ui->labelAmountRounds->setText(strAmountAndRounds);
          return;
      }
  
      CAmount nDenominatedConfirmedBalance;
      CAmount nDenominatedUnconfirmedBalance;
      CAmount nAnonymizableBalance;
      CAmount nNormalizedAnonymizedBalance;
      double nAverageAnonymizedRounds;
  
      {
          TRY_LOCK(cs_main, lockMain);
          if (!lockMain) return;
  
          nDenominatedConfirmedBalance = pwalletMain->GetDenominatedBalance();
          nDenominatedUnconfirmedBalance = pwalletMain->GetDenominatedBalance(true);
          nAnonymizableBalance = pwalletMain->GetAnonymizableBalance();
          nNormalizedAnonymizedBalance = pwalletMain->GetNormalizedAnonymizedBalance();
          nAverageAnonymizedRounds = pwalletMain->GetAverageAnonymizedRounds();
      }
  
      CAmount nMaxToAnonymize = nAnonymizableBalance + currentAnonymizedBalance + nDenominatedUnconfirmedBalance;
  
      // If it's more than the anon threshold, limit to that.
      if (nMaxToAnonymize > nAnonymizeHLMNAmount * COIN) nMaxToAnonymize = nAnonymizeHLMNAmount * COIN;
  
      if (nMaxToAnonymize == 0) return;
  
      if (nMaxToAnonymize >= nAnonymizeHLMNAmount * COIN) {
          ui->labelAmountRounds->setToolTip(tr("Found enough compatible inputs to anonymize %1")
                                                .arg(strAnonymizeHLMNAmount));
          strAnonymizeHLMNAmount = strAnonymizeHLMNAmount.remove(strAnonymizeHLMNAmount.indexOf("."), BitcoinUnits::decimals(nDisplayUnit) + 1);
          strAmountAndRounds = strAnonymizeHLMNAmount + " / " + tr("%n Rounds", "", nDarksendRounds);
      } else {
          QString strMaxToAnonymize = BitcoinUnits::formatHtmlWithUnit(nDisplayUnit, nMaxToAnonymize, false, BitcoinUnits::separatorAlways);
          ui->labelAmountRounds->setToolTip(tr("Not enough compatible inputs to anonymize <span style='color:red;'>%1</span>,<br>"
                                               "will anonymize <span style='color:red;'>%2</span> instead")
                                                .arg(strAnonymizeHLMNAmount)
                                                .arg(strMaxToAnonymize));
          strMaxToAnonymize = strMaxToAnonymize.remove(strMaxToAnonymize.indexOf("."), BitcoinUnits::decimals(nDisplayUnit) + 1);
          strAmountAndRounds = "<span style='color:red;'>" +
                               QString(BitcoinUnits::factor(nDisplayUnit) == 1 ? "" : "~") + strMaxToAnonymize +
                               " / " + tr("%n Rounds", "", nDarksendRounds) + "</span>";
      }
      ui->labelAmountRounds->setText(strAmountAndRounds);
  
      // calculate parts of the progress, each of them shouldn't be higher than 1
      // progress of denominating
      float denomPart = 0;
      // mixing progress of denominated balance
      float anonNormPart = 0;
      // completeness of full amount anonimization
      float anonFullPart = 0;
  
      CAmount denominatedBalance = nDenominatedConfirmedBalance + nDenominatedUnconfirmedBalance;
      denomPart = (float)denominatedBalance / nMaxToAnonymize;
      denomPart = denomPart > 1 ? 1 : denomPart;
      denomPart *= 100;
  
      anonNormPart = (float)nNormalizedAnonymizedBalance / nMaxToAnonymize;
      anonNormPart = anonNormPart > 1 ? 1 : anonNormPart;
      anonNormPart *= 100;
  
      anonFullPart = (float)currentAnonymizedBalance / nMaxToAnonymize;
      anonFullPart = anonFullPart > 1 ? 1 : anonFullPart;
      anonFullPart *= 100;
  
      // apply some weights to them ...
      float denomWeight = 1;
      float anonNormWeight = nDarksendRounds;
      float anonFullWeight = 2;
      float fullWeight = denomWeight + anonNormWeight + anonFullWeight;
      // ... and calculate the whole progress
      float denomPartCalc = ceilf((denomPart * denomWeight / fullWeight) * 100) / 100;
      float anonNormPartCalc = ceilf((anonNormPart * anonNormWeight / fullWeight) * 100) / 100;
      float anonFullPartCalc = ceilf((anonFullPart * anonFullWeight / fullWeight) * 100) / 100;
      float progress = denomPartCalc + anonNormPartCalc + anonFullPartCalc;
      if (progress >= 100) progress = 100;
  
      ui->DarksendProgress->setValue(progress);
  
      QString strToolPip = ("<b>" + tr("Overall progress") + ": %1%</b><br/>" +
                            tr("Denominated") + ": %2%<br/>" +
                            tr("Mixed") + ": %3%<br/>" +
                            tr("Anonymized") + ": %4%<br/>" +
                            tr("Denominated inputs have %5 of %n rounds on average", "", nDarksendRounds))
                               .arg(progress)
                               .arg(denomPart)
                               .arg(anonNormPart)
                               .arg(anonFullPart)
                               .arg(nAverageAnonymizedRounds);
      ui->DarksendProgress->setToolTip(strToolPip);
  }
  
  
  void OverviewPage::DarKsendStatus()
  {
      static int64_t nLastDSProgressBlockTime = 0;
  
      int nBestHeight = chainActive.Tip()->nHeight;
  
      // we we're processing more then 1 block per second, we'll just leave
      if (((nBestHeight - DarKsendPool.cachedNumBlocks) / (GetTimeMillis() - nLastDSProgressBlockTime + 1) > 1)) return;
      nLastDSProgressBlockTime = GetTimeMillis();
  
      if (!fEnableDarksend) {
          if (nBestHeight != DarKsendPool.cachedNumBlocks) {
              DarKsendPool.cachedNumBlocks = nBestHeight;
              updateDarksendProgress();
  
              ui->DarksendEnabled->setText(tr("Disabled"));
              ui->DarksendStatus->setText("");
              ui->toggleDarksend->setText(tr("Start Darksend"));
          }
  
          return;
      }
  
      // check Darksend status and unlock if needed
      if (nBestHeight != DarKsendPool.cachedNumBlocks) {
          // Balance and number of transactions might have changed
          DarKsendPool.cachedNumBlocks = nBestHeight;
          updateDarksendProgress();
  
          ui->DarksendEnabled->setText(tr("Enabled"));
      }
  
      QString strStatus = QString(DarKsendPool.GetStatus().c_str());
  
      QString s = tr("Last Darksend message:\n") + strStatus;
  
      if (s != ui->DarksendStatus->text())
          LogPrintf("Last Darksend message: %s\n", strStatus.toStdString());
  
      ui->DarksendStatus->setText(s);
  
      if (DarKsendPool.sessionDenom == 0) {
          ui->labelSubmittedDenom->setText(tr("N/A"));
      } else {
          std::string out;
          DarKsendPool.GetDenominationsToString(DarKsendPool.sessionDenom, out);
          QString s2(out.c_str());
          ui->labelSubmittedDenom->setText(s2);
      }
  }
  
  void OverviewPage::DarksendAuto()
  {
      DarKsendPool.DoAutomaticDenominating();
  }
  
  void OverviewPage::DarksendReset()
  {
      DarKsendPool.Reset();
  
      QMessageBox::warning(this, tr("Darksend"),
          tr("Darksend was successfully reset."),
          QMessageBox::Ok, QMessageBox::Ok);
  }
  
  void OverviewPage::toggleDarksend()
  {
      QSettings settings;
      // Popup some information on first mixing
      QString hasMixed = settings.value("hasMixed").toString();
      if (hasMixed.isEmpty()) {
          QMessageBox::information(this, tr("Darksend"),
              tr("If you don't want to see internal Darksend fees/transactions select \"Most Common\" as Type on the \"Transactions\" tab."),
              QMessageBox::Ok, QMessageBox::Ok);
          settings.setValue("hasMixed", "hasMixed");
      }
      if (!fEnableDarksend) {
          int64_t balance = currentBalance;
          float minAmount = 14.90 * COIN;
          if (balance < minAmount) {
              QString strMinAmount(BitcoinUnits::formatWithUnit(nDisplayUnit, minAmount));
              QMessageBox::warning(this, tr("Darksend"),
                  tr("Darksend requires at least %1 to use.").arg(strMinAmount),
                  QMessageBox::Ok, QMessageBox::Ok);
              return;
          }
  
          // if wallet is locked, ask for a passphrase
          if (walletModel->getEncryptionStatus() == WalletModel::Locked) {
              WalletModel::UnlockContext ctx(walletModel->requestUnlock(false));
              if (!ctx.isValid()) {
                  //unlock was cancelled
                  DarKsendPool.cachedNumBlocks = std::numeric_limits<int>::max();
                  QMessageBox::warning(this, tr("Darksend"),
                      tr("Wallet is locked and user declined to unlock. Disabling Darksend."),
                      QMessageBox::Ok, QMessageBox::Ok);
                  if (fDebug) LogPrintf("Wallet is locked and user declined to unlock. Disabling Darksend.\n");
                  return;
              }
          }
      }
  
      fEnableDarksend = !fEnableDarksend;
      DarKsendPool.cachedNumBlocks = std::numeric_limits<int>::max();
  
      if (!fEnableDarksend) {
          ui->toggleDarksend->setText(tr("Start Darksend"));
          DarKsendPool.UnlockCoins();
      } else {
          ui->toggleDarksend->setText(tr("Stop Darksend"));
  
          /* show Darksend configuration if client has defaults set */
  
          if (nAnonymizeHLMNAmount == 0) {
              DarksendConfig dlg(this);
              dlg.setModel(walletModel);
              dlg.exec();
          }
      }
  }
  