text: // Copyright (c) 2011-2015 The Bitcoin Core developers
  // Copyright (c) 2014-2021 The Amero Core developers
  // Distributed under the MIT software license, see the accompanying
  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
  
  #include <qt/coincontroldialog.h>
  #include <qt/forms/ui_coincontroldialog.h>
  
  #include <qt/addresstablemodel.h>
  #include <qt/bitcoinunits.h>
  #include <qt/guiutil.h>
  #include <qt/optionsmodel.h>
  #include <txmempool.h>
  #include <qt/walletmodel.h>
  
  #include <wallet/coincontrol.h>
  #include <interfaces/node.h>
  #include <key_io.h>
  #include <policy/fees.h>
  #include <policy/policy.h>
  #include <validation.h> // For mempool
  #include <wallet/fees.h>
  #include <wallet/wallet.h>
  
  #include <QApplication>
  #include <QCheckBox>
  #include <QCursor>
  #include <QDialogButtonBox>
  #include <QFlags>
  #include <QIcon>
  #include <QSettings>
  #include <QTreeWidget>
  
  QList<CAmount> CoinControlDialog::payAmounts;
  bool CoinControlDialog::fSubtractFeeFromAmount = false;
  
  bool CCoinControlWidgetItem::operator<(const QTreeWidgetItem &other) const {
      int column = treeWidget()->sortColumn();
      if (column == CoinControlDialog::COLUMN_AMOUNT || column == CoinControlDialog::COLUMN_DATE || column == CoinControlDialog::COLUMN_CONFIRMATIONS || column == CoinControlDialog::COLUMN_COINJOIN_ROUNDS)
          return data(column, Qt::UserRole).toLongLong() < other.data(column, Qt::UserRole).toLongLong();
      return QTreeWidgetItem::operator<(other);
  }
  
  CoinControlDialog::CoinControlDialog(CCoinControl& coin_control, WalletModel* _model, QWidget* parent) :
      QDialog(parent),
      ui(new Ui::CoinControlDialog),
      m_coin_control(coin_control),
      model(_model)
  {
      ui->setupUi(this);
  
      GUIUtil::setFont({ui->labelCoinControlQuantityText,
                        ui->labelCoinControlBytesText,
                        ui->labelCoinControlAmountText,
                        ui->labelCoinControlLowOutputText,
                        ui->labelCoinControlFeeText,
                        ui->labelCoinControlAfterFeeText,
                        ui->labelCoinControlChangeText
                       }, GUIUtil::FontWeight::Bold);
  
      GUIUtil::updateFonts();
  
      GUIUtil::disableMacFocusRect(this);
  
      // context menu actions
      QAction *copyAddressAction = new QAction(tr("Copy address"), this);
      QAction *copyLabelAction = new QAction(tr("Copy label"), this);
      QAction *copyAmountAction = new QAction(tr("Copy amount"), this);
               copyTransactionHashAction = new QAction(tr("Copy transaction ID"), this);  // we need to enable/disable this
               lockAction = new QAction(tr("Lock unspent"), this);                        // we need to enable/disable this
               unlockAction = new QAction(tr("Unlock unspent"), this);                    // we need to enable/disable this
  
      // context menu
      contextMenu = new QMenu(this);
      contextMenu->addAction(copyAddressAction);
      contextMenu->addAction(copyLabelAction);
      contextMenu->addAction(copyAmountAction);
      contextMenu->addAction(copyTransactionHashAction);
      contextMenu->addSeparator();
      contextMenu->addAction(lockAction);
      contextMenu->addAction(unlockAction);
  
      // context menu signals
      connect(ui->treeWidget, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(showMenu(QPoint)));
      connect(copyAddressAction, SIGNAL(triggered()), this, SLOT(copyAddress()));
      connect(copyLabelAction, SIGNAL(triggered()), this, SLOT(copyLabel()));
      connect(copyAmountAction, SIGNAL(triggered()), this, SLOT(copyAmount()));
      connect(copyTransactionHashAction, SIGNAL(triggered()), this, SLOT(copyTransactionHash()));
      connect(lockAction, SIGNAL(triggered()), this, SLOT(lockCoin()));
      connect(unlockAction, SIGNAL(triggered()), this, SLOT(unlockCoin()));
  
      // clipboard actions
      QAction *clipboardQuantityAction = new QAction(tr("Copy quantity"), this);
      QAction *clipboardAmountAction = new QAction(tr("Copy amount"), this);
      QAction *clipboardFeeAction = new QAction(tr("Copy fee"), this);
      QAction *clipboardAfterFeeAction = new QAction(tr("Copy after fee"), this);
      QAction *clipboardBytesAction = new QAction(tr("Copy bytes"), this);
      QAction *clipboardLowOutputAction = new QAction(tr("Copy dust"), this);
      QAction *clipboardChangeAction = new QAction(tr("Copy change"), this);
  
      connect(clipboardQuantityAction, SIGNAL(triggered()), this, SLOT(clipboardQuantity()));
      connect(clipboardAmountAction, SIGNAL(triggered()), this, SLOT(clipboardAmount()));
      connect(clipboardFeeAction, SIGNAL(triggered()), this, SLOT(clipboardFee()));
      connect(clipboardAfterFeeAction, SIGNAL(triggered()), this, SLOT(clipboardAfterFee()));
      connect(clipboardBytesAction, SIGNAL(triggered()), this, SLOT(clipboardBytes()));
      connect(clipboardLowOutputAction, SIGNAL(triggered()), this, SLOT(clipboardLowOutput()));
      connect(clipboardChangeAction, SIGNAL(triggered()), this, SLOT(clipboardChange()));
  
      ui->labelCoinControlQuantity->addAction(clipboardQuantityAction);
      ui->labelCoinControlAmount->addAction(clipboardAmountAction);
      ui->labelCoinControlFee->addAction(clipboardFeeAction);
      ui->labelCoinControlAfterFee->addAction(clipboardAfterFeeAction);
      ui->labelCoinControlBytes->addAction(clipboardBytesAction);
      ui->labelCoinControlLowOutput->addAction(clipboardLowOutputAction);
      ui->labelCoinControlChange->addAction(clipboardChangeAction);
  
      // toggle tree/list mode
      connect(ui->radioTreeMode, SIGNAL(toggled(bool)), this, SLOT(radioTreeMode(bool)));
      connect(ui->radioListMode, SIGNAL(toggled(bool)), this, SLOT(radioListMode(bool)));
  
      // click on checkbox
      connect(ui->treeWidget, SIGNAL(itemChanged(QTreeWidgetItem*, int)), this, SLOT(viewItemChanged(QTreeWidgetItem*, int)));
  
      // click on header
      ui->treeWidget->header()->setSectionsClickable(true);
      connect(ui->treeWidget->header(), SIGNAL(sectionClicked(int)), this, SLOT(headerSectionClicked(int)));
  
      // ok button
      connect(ui->buttonBox, SIGNAL(clicked( QAbstractButton*)), this, SLOT(buttonBoxClicked(QAbstractButton*)));
  
      // (un)select all
      connect(ui->pushButtonSelectAll, SIGNAL(clicked()), this, SLOT(buttonSelectAllClicked()));
  
      // Toggle lock state
      connect(ui->pushButtonToggleLock, SIGNAL(clicked()), this, SLOT(buttonToggleLockClicked()));
  
      ui->treeWidget->setColumnWidth(COLUMN_CHECKBOX, 94);
      ui->treeWidget->setColumnWidth(COLUMN_AMOUNT, 100);
      ui->treeWidget->setColumnWidth(COLUMN_LABEL, 170);
      ui->treeWidget->setColumnWidth(COLUMN_COINJOIN_ROUNDS, 110);
      ui->treeWidget->setColumnWidth(COLUMN_DATE, 120);
      ui->treeWidget->setColumnWidth(COLUMN_CONFIRMATIONS, 110);
  
      ui->treeWidget->header()->setStretchLastSection(false);
      ui->treeWidget->header()->setSectionResizeMode(COLUMN_ADDRESS, QHeaderView::Stretch);
  
      // default view is sorted by amount desc
      sortView(COLUMN_AMOUNT, Qt::DescendingOrder);
  
      // restore list mode and sortorder as a convenience feature
      QSettings settings;
      if (settings.contains("nCoinControlMode") && !settings.value("nCoinControlMode").toBool())
          ui->radioTreeMode->click();
      if (settings.contains("nCoinControlSortColumn") && settings.contains("nCoinControlSortOrder"))
          sortView(settings.value("nCoinControlSortColumn").toInt(), (static_cast<Qt::SortOrder>(settings.value("nCoinControlSortOrder").toInt())));
  
      if(_model->getOptionsModel() && _model->getAddressTableModel())
      {
          updateView();
          updateLabelLocked();
          CoinControlDialog::updateLabels(m_coin_control, _model, this);
      }
  }
  
  CoinControlDialog::~CoinControlDialog()
  {
      QSettings settings;
      settings.setValue("nCoinControlMode", ui->radioListMode->isChecked());
      settings.setValue("nCoinControlSortColumn", sortColumn);
      settings.setValue("nCoinControlSortOrder", (int)sortOrder);
  
      delete ui;
  }
  
  // ok button
  void CoinControlDialog::buttonBoxClicked(QAbstractButton* button)
  {
      if (ui->buttonBox->buttonRole(button) == QDialogButtonBox::AcceptRole)
          done(QDialog::Accepted); // closes the dialog
  }
  
  // (un)select all
  void CoinControlDialog::buttonSelectAllClicked()
  {
      Qt::CheckState state = Qt::Checked;
      for (int i = 0; i < ui->treeWidget->topLevelItemCount(); i++)
      {
          if (ui->treeWidget->topLevelItem(i)->checkState(COLUMN_CHECKBOX) != Qt::Unchecked)
          {
              state = Qt::Unchecked;
              break;
          }
      }
      ui->treeWidget->setEnabled(false);
      for (int i = 0; i < ui->treeWidget->topLevelItemCount(); i++)
              if (ui->treeWidget->topLevelItem(i)->checkState(COLUMN_CHECKBOX) != state)
                  ui->treeWidget->topLevelItem(i)->setCheckState(COLUMN_CHECKBOX, state);
      ui->treeWidget->setEnabled(true);
      if (state == Qt::Unchecked)
          m_coin_control.UnSelectAll(); // just to be sure
      CoinControlDialog::updateLabels(m_coin_control, model, this);
  }
  
  // Toggle lock state
  void CoinControlDialog::buttonToggleLockClicked()
  {
      QTreeWidgetItem *item;
      // Works in list-mode only
      if(ui->radioListMode->isChecked()){
          ui->treeWidget->setEnabled(false);
          for (int i = 0; i < ui->treeWidget->topLevelItemCount(); i++){
              item = ui->treeWidget->topLevelItem(i);
              COutPoint outpt(uint256S(item->data(COLUMN_ADDRESS, TxHashRole).toString().toStdString()), item->data(COLUMN_ADDRESS, VOutRole).toUInt());
              // Don't toggle the lock state of partially mixed coins if they are not hidden in CoinJoin mode
              if (m_coin_control.IsUsingCoinJoin() && !fHideAdditional && !model->isFullyMixed(outpt)) {
                  continue;
              }
              if (model->wallet().isLockedCoin(outpt)) {
                  model->wallet().unlockCoin(outpt);
                  item->setDisabled(false);
                  item->setIcon(COLUMN_CHECKBOX, QIcon());
              }
              else{
                  model->wallet().lockCoin(outpt);
                  item->setDisabled(true);
                  item->setIcon(COLUMN_CHECKBOX, GUIUtil::getIcon("lock_closed", GUIUtil::ThemedColor::RED));
              }
              updateLabelLocked();
          }
          ui->treeWidget->setEnabled(true);
          CoinControlDialog::updateLabels(m_coin_control, model, this);
      }
      else{
          QMessageBox msgBox(this);
          msgBox.setObjectName("lockMessageBox");
          msgBox.setText(tr("Please switch to \"List mode\" to use this function."));
          msgBox.exec();
      }
  }
  
  // context menu
  void CoinControlDialog::showMenu(const QPoint &point)
  {
      QTreeWidgetItem *item = ui->treeWidget->itemAt(point);
      if(item)
      {
          contextMenuItem = item;
  
          // disable some items (like Copy Transaction ID, lock, unlock) for tree roots in context menu
          if (item->data(COLUMN_ADDRESS, TxHashRole).toString().length() == 64) // transaction hash is 64 characters (this means it is a child node, so it is not a parent node in tree mode)
          {
              copyTransactionHashAction->setEnabled(true);
              if (model->wallet().isLockedCoin(COutPoint(uint256S(item->data(COLUMN_ADDRESS, TxHashRole).toString().toStdString()), item->data(COLUMN_ADDRESS, VOutRole).toUInt())))
              {
                  lockAction->setEnabled(false);
                  unlockAction->setEnabled(true);
              }
              else
              {
                  lockAction->setEnabled(true);
                  unlockAction->setEnabled(false);
              }
          }
          else // this means click on parent node in tree mode -> disable all
          {
              copyTransactionHashAction->setEnabled(false);
              lockAction->setEnabled(false);
              unlockAction->setEnabled(false);
          }
  
          // show context menu
          contextMenu->exec(QCursor::pos());
      }
  }
  
  // context menu action: copy amount
  void CoinControlDialog::copyAmount()
  {
      GUIUtil::setClipboard(BitcoinUnits::removeSpaces(contextMenuItem->text(COLUMN_AMOUNT)));
  }
  
  // context menu action: copy label
  void CoinControlDialog::copyLabel()
  {
      if (ui->radioTreeMode->isChecked() && contextMenuItem->text(COLUMN_LABEL).length() == 0 && contextMenuItem->parent())
          GUIUtil::setClipboard(contextMenuItem->parent()->text(COLUMN_LABEL));
      else
          GUIUtil::setClipboard(contextMenuItem->text(COLUMN_LABEL));
  }
  
  // context menu action: copy address
  void CoinControlDialog::copyAddress()
  {
      if (ui->radioTreeMode->isChecked() && contextMenuItem->text(COLUMN_ADDRESS).length() == 0 && contextMenuItem->parent())
          GUIUtil::setClipboard(contextMenuItem->parent()->text(COLUMN_ADDRESS));
      else
          GUIUtil::setClipboard(contextMenuItem->text(COLUMN_ADDRESS));
  }
  
  // context menu action: copy transaction id
  void CoinControlDialog::copyTransactionHash()
  {
      GUIUtil::setClipboard(contextMenuItem->data(COLUMN_ADDRESS, TxHashRole).toString());
  }
  
  // context menu action: lock coin
  void CoinControlDialog::lockCoin()
  {
      if (contextMenuItem->checkState(COLUMN_CHECKBOX) == Qt::Checked)
          contextMenuItem->setCheckState(COLUMN_CHECKBOX, Qt::Unchecked);
  
      COutPoint outpt(uint256S(contextMenuItem->data(COLUMN_ADDRESS, TxHashRole).toString().toStdString()), contextMenuItem->data(COLUMN_ADDRESS, VOutRole).toUInt());
      model->wallet().lockCoin(outpt);
      contextMenuItem->setDisabled(true);
      contextMenuItem->setIcon(COLUMN_CHECKBOX, GUIUtil::getIcon("lock_closed", GUIUtil::ThemedColor::RED));
      updateLabelLocked();
  }
  
  // context menu action: unlock coin
  void CoinControlDialog::unlockCoin()
  {
      COutPoint outpt(uint256S(contextMenuItem->data(COLUMN_ADDRESS, TxHashRole).toString().toStdString()), contextMenuItem->data(COLUMN_ADDRESS, VOutRole).toUInt());
      model->wallet().unlockCoin(outpt);
      contextMenuItem->setDisabled(false);
      contextMenuItem->setIcon(COLUMN_CHECKBOX, QIcon());
      updateLabelLocked();
  }
  
  // copy label "Quantity" to clipboard
  void CoinControlDialog::clipboardQuantity()
  {
      GUIUtil::setClipboard(ui->labelCoinControlQuantity->text());
  }
  
  // copy label "Amount" to clipboard
  void CoinControlDialog::clipboardAmount()
  {
      GUIUtil::setClipboard(ui->labelCoinControlAmount->text().left(ui->labelCoinControlAmount->text().indexOf(" ")));
  }
  
  // copy label "Fee" to clipboard
  void CoinControlDialog::clipboardFee()
  {
      GUIUtil::setClipboard(ui->labelCoinControlFee->text().left(ui->labelCoinControlFee->text().indexOf(" ")).replace(ASYMP_UTF8, ""));
  }
  
  // copy label "After fee" to clipboard
  void CoinControlDialog::clipboardAfterFee()
  {
      GUIUtil::setClipboard(ui->labelCoinControlAfterFee->text().left(ui->labelCoinControlAfterFee->text().indexOf(" ")).replace(ASYMP_UTF8, ""));
  }
  
  // copy label "Bytes" to clipboard
  void CoinControlDialog::clipboardBytes()
  {
      GUIUtil::setClipboard(ui->labelCoinControlBytes->text().replace(ASYMP_UTF8, ""));
  }
  
  // copy label "Dust" to clipboard
  void CoinControlDialog::clipboardLowOutput()
  {
      GUIUtil::setClipboard(ui->labelCoinControlLowOutput->text());
  }
  
  // copy label "Change" to clipboard
  void CoinControlDialog::clipboardChange()
  {
      GUIUtil::setClipboard(ui->labelCoinControlChange->text().left(ui->labelCoinControlChange->text().indexOf(" ")).replace(ASYMP_UTF8, ""));
  }
  
  // treeview: sort
  void CoinControlDialog::sortView(int column, Qt::SortOrder order)
  {
      sortColumn = column;
      sortOrder = order;
      ui->treeWidget->sortItems(column, order);
      ui->treeWidget->header()->setSortIndicator(sortColumn, sortOrder);
  }
  
  // treeview: clicked on header
  void CoinControlDialog::headerSectionClicked(int logicalIndex)
  {
      if (logicalIndex == COLUMN_CHECKBOX) // click on most left column -> do nothing
      {
          ui->treeWidget->header()->setSortIndicator(sortColumn, sortOrder);
      }
      else
      {
          if (sortColumn == logicalIndex)
              sortOrder = ((sortOrder == Qt::AscendingOrder) ? Qt::DescendingOrder : Qt::AscendingOrder);
          else
          {
              sortColumn = logicalIndex;
              sortOrder = ((sortColumn == COLUMN_LABEL || sortColumn == COLUMN_ADDRESS) ? Qt::AscendingOrder : Qt::DescendingOrder); // if label or address then default => asc, else default => desc
          }
  
          sortView(sortColumn, sortOrder);
      }
  }
  
  // toggle tree mode
  void CoinControlDialog::radioTreeMode(bool checked)
  {
      if (checked && model)
          updateView();
  }
  
  // toggle list mode
  void CoinControlDialog::radioListMode(bool checked)
  {
      if (checked && model)
          updateView();
  }
  
  // checkbox clicked by user
  void CoinControlDialog::viewItemChanged(QTreeWidgetItem* item, int column)
  {
      if (column == COLUMN_CHECKBOX && item->data(COLUMN_ADDRESS, TxHashRole).toString().length() == 64) // transaction hash is 64 characters (this means it is a child node, so it is not a parent node in tree mode)
      {
          COutPoint outpt(uint256S(item->data(COLUMN_ADDRESS, TxHashRole).toString().toStdString()), item->data(COLUMN_ADDRESS, VOutRole).toUInt());
  
          if (item->checkState(COLUMN_CHECKBOX) == Qt::Unchecked)
              m_coin_control.UnSelect(outpt);
          else if (item->isDisabled()) // locked (this happens if "check all" through parent node)
              item->setCheckState(COLUMN_CHECKBOX, Qt::Unchecked);
          else {
              m_coin_control.Select(outpt);
          }
  
          // selection changed -> update labels
          if (ui->treeWidget->isEnabled()) // do not update on every click for (un)select all
              CoinControlDialog::updateLabels(m_coin_control, model, this);
      }
  }
  
  // shows count of locked unspent outputs
  void CoinControlDialog::updateLabelLocked()
  {
      std::vector<COutPoint> vOutpts;
      model->wallet().listLockedCoins(vOutpts);
      if (vOutpts.size() > 0)
      {
         ui->labelLocked->setText(tr("(%1 locked)").arg(vOutpts.size()));
         ui->labelLocked->setVisible(true);
      }
      else ui->labelLocked->setVisible(false);
  }
  
  void CoinControlDialog::on_hideButton_clicked()
  {
      fHideAdditional = !fHideAdditional;
      updateView();
      CoinControlDialog::updateLabels(m_coin_control, model, this);
  }
  
  void CoinControlDialog::updateLabels(CCoinControl& m_coin_control, WalletModel *model, QDialog* dialog)
  {
      if (!model)
          return;
  
      // nPayAmount
      CAmount nPayAmount = 0;
      bool fDust = false;
      CMutableTransaction txDummy;
      for (const CAmount &amount : CoinControlDialog::payAmounts)
      {
          nPayAmount += amount;
  
          if (amount > 0)
          {
              CTxOut txout(amount, static_cast<CScript>(std::vector<unsigned char>(24, 0)));
              txDummy.vout.push_back(txout);
              fDust |= IsDust(txout, model->node().getDustRelayFee());
          }
      }
  
      CAmount nAmount             = 0;
      CAmount nPayFee             = 0;
      CAmount nAfterFee           = 0;
      CAmount nChange             = 0;
      unsigned int nBytes         = 0;
      unsigned int nBytesInputs   = 0;
      unsigned int nQuantity      = 0;
      int nQuantityUncompressed   = 0;
      bool fUnselectedSpent{false};
      bool fUnselectedNonMixed{false};
  
      std::vector<COutPoint> vCoinControl;
      m_coin_control.ListSelected(vCoinControl);
  
      size_t i = 0;
      for (const auto& out : model->wallet().getCoins(vCoinControl)) {
          if (out.depth_in_main_chain < 0) continue;
  
          // unselect already spent, very unlikely scenario, this could happen
          // when selected are spent elsewhere, like rpc or another computer
          const COutPoint& outpt = vCoinControl[i++];
          if (out.is_spent)
          {
              m_coin_control.UnSelect(outpt);
              fUnselectedSpent = true;
              continue;
          }
  
          // Quantity
          nQuantity++;
  
          // Amount
          nAmount += out.txout.nValue;
  
          // Bytes
          CTxDestination address;
          if(ExtractDestination(out.txout.scriptPubKey, address))
          {
              CPubKey pubkey;
              CKeyID *keyid = boost::get<CKeyID>(&address);
              if (keyid && model->wallet().getPubKey(*keyid, pubkey))
              {
                  nBytesInputs += (pubkey.IsCompressed() ? 148 : 180);
              }
              else
                  nBytesInputs += 148; // in all error cases, simply assume 148 here
          }
          else nBytesInputs += 148;
      }
  
      // calculation
      if (nQuantity > 0)
      {
          // Bytes
          nBytes = nBytesInputs + ((CoinControlDialog::payAmounts.size() > 0 ? CoinControlDialog::payAmounts.size() + 1 : 2) * 34) + 10; // always assume +1 output for change here
  
          // in the subtract fee from amount case, we can tell if zero change already and subtract the bytes, so that fee calculation afterwards is accurate
          if (CoinControlDialog::fSubtractFeeFromAmount)
              if (nAmount - nPayAmount == 0)
                  nBytes -= 34;
  
          // Fee
          nPayFee = model->node().getMinimumFee(nBytes, m_coin_control, nullptr /* returned_target */, nullptr /* reason */);
  
          if (nPayAmount > 0)
          {
              nChange = nAmount - nPayAmount;
  
              // CoinJoin Fee = overpay
              if(m_coin_control.IsUsingCoinJoin() && nChange > 0)
              {
                  nPayFee = std::max(nChange, nPayFee);
                  nChange = 0;
                  if (CoinControlDialog::fSubtractFeeFromAmount)
                      nBytes -= 34; // we didn't detect lack of change above
              } else if (!CoinControlDialog::fSubtractFeeFromAmount) {
                  nChange -= nPayFee;
              }
  
              // Never create dust outputs; if we would, just add the dust to the fee.
              if (nChange > 0 && nChange < MIN_CHANGE)
              {
                  CTxOut txout(nChange, static_cast<CScript>(std::vector<unsigned char>(24, 0)));
                  if (IsDust(txout, model->node().getDustRelayFee()))
                  {
                      nPayFee += nChange;
                      nChange = 0;
                      if (CoinControlDialog::fSubtractFeeFromAmount)
                          nBytes -= 34; // we didn't detect lack of change above
                  }
              }
  
              if (nChange == 0 && !CoinControlDialog::fSubtractFeeFromAmount)
                  nBytes -= 34;
          }
  
          // after fee
          nAfterFee = std::max<CAmount>(nAmount - nPayFee, 0);
      }
  
      // actually update labels
      int nDisplayUnit = BitcoinUnits::AMERO;
      if (model && model->getOptionsModel())
          nDisplayUnit = model->getOptionsModel()->getDisplayUnit();
  
      QLabel *l1 = dialog->findChild<QLabel *>("labelCoinControlQuantity");
      QLabel *l2 = dialog->findChild<QLabel *>("labelCoinControlAmount");
      QLabel *l3 = dialog->findChild<QLabel *>("labelCoinControlFee");
      QLabel *l4 = dialog->findChild<QLabel *>("labelCoinControlAfterFee");
      QLabel *l5 = dialog->findChild<QLabel *>("labelCoinControlBytes");
      QLabel *l7 = dialog->findChild<QLabel *>("labelCoinControlLowOutput");
      QLabel *l8 = dialog->findChild<QLabel *>("labelCoinControlChange");
  
      // enable/disable "dust" and "change"
      dialog->findChild<QLabel *>("labelCoinControlLowOutputText")->setEnabled(nPayAmount > 0);
      dialog->findChild<QLabel *>("labelCoinControlLowOutput")    ->setEnabled(nPayAmount > 0);
      dialog->findChild<QLabel *>("labelCoinControlChangeText")   ->setEnabled(nPayAmount > 0);
      dialog->findChild<QLabel *>("labelCoinControlChange")       ->setEnabled(nPayAmount > 0);
  
      // stats
      l1->setText(QString::number(nQuantity));                                 // Quantity
      l2->setText(BitcoinUnits::formatWithUnit(nDisplayUnit, nAmount));        // Amount
      l3->setText(BitcoinUnits::formatWithUnit(nDisplayUnit, nPayFee));        // Fee
      l4->setText(BitcoinUnits::formatWithUnit(nDisplayUnit, nAfterFee));      // After Fee
      l5->setText(((nBytes > 0) ? ASYMP_UTF8 : "") + QString::number(nBytes));        // Bytes
      l7->setText(fDust ? tr("yes") : tr("no"));                               // Dust
      l8->setText(BitcoinUnits::formatWithUnit(nDisplayUnit, nChange));        // Change
      if (nPayFee > 0)
      {
          l3->setText(ASYMP_UTF8 + l3->text());
          l4->setText(ASYMP_UTF8 + l4->text());
          if (nChange > 0 && !CoinControlDialog::fSubtractFeeFromAmount)
              l8->setText(ASYMP_UTF8 + l8->text());
      }
  
      // turn label red when dust
      l7->setStyleSheet((fDust) ? GUIUtil::getThemedStyleQString(GUIUtil::ThemedStyle::TS_ERROR) : "");
  
      // tool tips
      QString toolTipDust = tr("This label turns red if any recipient receives an amount smaller than the current dust threshold.");
  
      // how many satoshis the estimated fee can vary per byte we guess wrong
      double dFeeVary = (nBytes != 0) ? (double)nPayFee / nBytes : 0;
  
      QString toolTip4 = tr("Can vary +/- %1 aero(es) per input.").arg(dFeeVary);
  
      l3->setToolTip(toolTip4);
      l4->setToolTip(toolTip4);
      l7->setToolTip(toolTipDust);
      l8->setToolTip(toolTip4);
      dialog->findChild<QLabel *>("labelCoinControlFeeText")      ->setToolTip(l3->toolTip());
      dialog->findChild<QLabel *>("labelCoinControlAfterFeeText") ->setToolTip(l4->toolTip());
      dialog->findChild<QLabel *>("labelCoinControlBytesText")    ->setToolTip(l5->toolTip());
      dialog->findChild<QLabel *>("labelCoinControlLowOutputText")->setToolTip(l7->toolTip());
      dialog->findChild<QLabel *>("labelCoinControlChangeText")   ->setToolTip(l8->toolTip());
  
      // Insufficient funds
      QLabel *label = dialog->findChild<QLabel *>("labelCoinControlInsuffFunds");
      if (label)
          label->setVisible(nChange < 0);
  
      // Warn about unselected coins
      if (fUnselectedSpent) {
          QMessageBox::warning(dialog, "CoinControl",
              tr("Some coins were unselected because they were spent."),
              QMessageBox::Ok, QMessageBox::Ok);
      } else if (fUnselectedNonMixed) {
          QMessageBox::warning(dialog, "CoinControl",
              tr("Some coins were unselected because they do not have enough mixing rounds."),
              QMessageBox::Ok, QMessageBox::Ok);
      }
  }
  
  void CoinControlDialog::updateView()
  {
      if (!model || !model->getOptionsModel() || !model->getAddressTableModel())
          return;
  
      bool fNormalMode = !m_coin_control.IsUsingCoinJoin();
      ui->treeWidget->setColumnHidden(COLUMN_COINJOIN_ROUNDS, fNormalMode);
      ui->treeWidget->setColumnHidden(COLUMN_LABEL, !fNormalMode);
      ui->radioTreeMode->setVisible(fNormalMode);
      ui->radioListMode->setVisible(fNormalMode);
  
      if (!model->node().coinJoinOptions().isEnabled()) {
          fHideAdditional = false;
          ui->hideButton->setVisible(false);
      }
  
      QString strHideButton;
      if (fNormalMode) {
          if (fHideAdditional) {
              strHideButton = tr("Show all coins");
          } else {
              strHideButton = tr("Hide %1 coins").arg("CoinJoin");
          }
      } else {
          if (fHideAdditional) {
              strHideButton = tr("Show all %1 coins").arg("CoinJoin");
          } else {
              strHideButton = tr("Show spendable coins only");
          }
          ui->radioListMode->setChecked(true);
      }
      ui->hideButton->setText(strHideButton);
  
      bool treeMode = ui->radioTreeMode->isChecked();
      ui->treeWidget->clear();
      ui->treeWidget->setEnabled(false); // performance, otherwise updateLabels would be called for every checked checkbox
      ui->treeWidget->setAlternatingRowColors(!treeMode);
      QFlags<Qt::ItemFlag> flgCheckbox = Qt::ItemIsSelectable | Qt::ItemIsEnabled | Qt::ItemIsUserCheckable;
      QFlags<Qt::ItemFlag> flgTristate = Qt::ItemIsSelectable | Qt::ItemIsEnabled | Qt::ItemIsUserCheckable | Qt::ItemIsTristate;
  
      int nDisplayUnit = model->getOptionsModel()->getDisplayUnit();
  
      for (const auto& coins : model->wallet().listCoins()) {
          CCoinControlWidgetItem *itemWalletAddress = new CCoinControlWidgetItem();
          itemWalletAddress->setCheckState(COLUMN_CHECKBOX, Qt::Unchecked);
          QString sWalletAddress = QString::fromStdString(EncodeDestination(coins.first));
          QString sWalletLabel = model->getAddressTableModel()->labelForAddress(sWalletAddress);
          if (sWalletLabel.isEmpty())
              sWalletLabel = tr("(no label)");
  
          if (treeMode)
          {
              // wallet address
              ui->treeWidget->addTopLevelItem(itemWalletAddress);
  
              itemWalletAddress->setFlags(flgTristate);
              itemWalletAddress->setCheckState(COLUMN_CHECKBOX, Qt::Unchecked);
  
              // label
              itemWalletAddress->setText(COLUMN_LABEL, sWalletLabel);
              itemWalletAddress->setToolTip(COLUMN_LABEL, sWalletLabel);
  
              // address
              itemWalletAddress->setText(COLUMN_ADDRESS, sWalletAddress);
              itemWalletAddress->setToolTip(COLUMN_ADDRESS, sWalletAddress);
          }
  
          CAmount nSum = 0;
          int nChildren = 0;
          for (const auto& outpair : coins.second) {
              const COutPoint& output = std::get<0>(outpair);
              const interfaces::WalletTxOut& out = std::get<1>(outpair);
              bool fFullyMixed{false};
              CAmount nAmount = out.txout.nValue;
              bool fCoinJoinAmount = model->node().coinJoinOptions().isDenominated(nAmount) || model->node().coinJoinOptions().isCollateralAmount(nAmount);
  
              if (m_coin_control.IsUsingCoinJoin()) {
                  fFullyMixed = model->isFullyMixed(output);
                  if ((fHideAdditional && !fFullyMixed) || (!fHideAdditional && !fCoinJoinAmount)) {
                      m_coin_control.UnSelect(output);
                      continue;
                  }
              } else {
                  if (fHideAdditional && fCoinJoinAmount) {
                      m_coin_control.UnSelect(output);
                      continue;
                  }
              }
  
              nSum += out.txout.nValue;
              nChildren++;
  
              CCoinControlWidgetItem* itemOutput;
              if (treeMode) {
                  itemOutput = new CCoinControlWidgetItem(itemWalletAddress);
              } else {
                  itemOutput = new CCoinControlWidgetItem(ui->treeWidget);
              }
              itemOutput->setFlags(flgCheckbox);
              itemOutput->setCheckState(COLUMN_CHECKBOX, Qt::Unchecked);
  
              // address
              CTxDestination outputAddress;
              QString sAddress = "";
              if (ExtractDestination(out.txout.scriptPubKey, outputAddress)) {
                  sAddress = QString::fromStdString(EncodeDestination(outputAddress));
  
                  // if listMode or change => show amero address. In tree mode, address is not shown again for direct wallet address outputs
                  if (!treeMode || (!(sAddress == sWalletAddress))) {
                      itemOutput->setText(COLUMN_ADDRESS, sAddress);
                  }
  
                  itemOutput->setToolTip(COLUMN_ADDRESS, sAddress);
              }
  
              // label
              if (!(sAddress == sWalletAddress)) { //change
                  // tooltip from where the change comes from
                  itemOutput->setToolTip(COLUMN_LABEL, tr("change from %1 (%2)").arg(sWalletLabel).arg(sWalletAddress));
                  itemOutput->setText(COLUMN_LABEL, tr("(change)"));
              } else if (!treeMode) {
                  QString sLabel = model->getAddressTableModel()->labelForAddress(sAddress);
                  if (sLabel.isEmpty()) {
                      sLabel = tr("(no label)");
                  }
                  itemOutput->setText(COLUMN_LABEL, sLabel);
              }
  
              // amount
              itemOutput->setText(COLUMN_AMOUNT, BitcoinUnits::format(nDisplayUnit, out.txout.nValue));
              itemOutput->setToolTip(COLUMN_AMOUNT, BitcoinUnits::format(nDisplayUnit, out.txout.nValue));
              itemOutput->setData(COLUMN_AMOUNT, Qt::UserRole, QVariant((qlonglong)out.txout.nValue)); // padding so that sorting works correctly
  
              // date
              itemOutput->setText(COLUMN_DATE, GUIUtil::dateTimeStr(out.time));
              itemOutput->setToolTip(COLUMN_DATE, GUIUtil::dateTimeStr(out.time));
              itemOutput->setData(COLUMN_DATE, Qt::UserRole, QVariant((qlonglong)out.time));
  
              // CoinJoin rounds
              int nRounds = model->getRealOutpointCoinJoinRounds(output);
              if (nRounds >= 0 || LogAcceptCategory(BCLog::COINJOIN)) {
                  itemOutput->setText(COLUMN_COINJOIN_ROUNDS, QString::number(nRounds));
              } else {
                  itemOutput->setText(COLUMN_COINJOIN_ROUNDS, tr("n/a"));
              }
              itemOutput->setData(COLUMN_COINJOIN_ROUNDS, Qt::UserRole, QVariant((qlonglong)nRounds));
  
              // confirmations
              itemOutput->setText(COLUMN_CONFIRMATIONS, QString::number(out.depth_in_main_chain));
              itemOutput->setData(COLUMN_CONFIRMATIONS, Qt::UserRole, QVariant((qlonglong)out.depth_in_main_chain));
  
              // transaction hash
              itemOutput->setData(COLUMN_ADDRESS, TxHashRole, QString::fromStdString(output.hash.GetHex()));
  
              // vout index
              itemOutput->setData(COLUMN_ADDRESS, VOutRole, output.n);
  
              // disable locked coins
              if (model->wallet().isLockedCoin(output)) {
                  m_coin_control.UnSelect(output); // just to be sure
                  itemOutput->setDisabled(true);
                  itemOutput->setIcon(COLUMN_CHECKBOX, GUIUtil::getIcon("lock_closed", GUIUtil::ThemedColor::RED));
              }
  
              // set checkbox
              if (m_coin_control.IsSelected(output)) {
                  itemOutput->setCheckState(COLUMN_CHECKBOX, Qt::Checked);
              }
  
              if (m_coin_control.IsUsingCoinJoin() && !fHideAdditional && !fFullyMixed) {
                  itemOutput->setDisabled(true);
              }
          }
  
          // amount
          if (treeMode)
          {
              itemWalletAddress->setText(COLUMN_CHECKBOX, "(" + QString::number(nChildren) + ")");
              itemWalletAddress->setText(COLUMN_AMOUNT, BitcoinUnits::format(nDisplayUnit, nSum));
              itemWalletAddress->setToolTip(COLUMN_AMOUNT, BitcoinUnits::format(nDisplayUnit, nSum));
              itemWalletAddress->setData(COLUMN_AMOUNT, Qt::UserRole, QVariant((qlonglong)nSum));
          }
      }
  
      // expand all partially selected and hide the empty
      if (treeMode)
      {
          for (int i = 0; i < ui->treeWidget->topLevelItemCount(); i++) {
              QTreeWidgetItem* topLevelItem = ui->treeWidget->topLevelItem(i);
              topLevelItem->setHidden(topLevelItem->childCount() == 0);
              if (topLevelItem->checkState(COLUMN_CHECKBOX) == Qt::PartiallyChecked)
                  topLevelItem->setExpanded(true);
          }
      }
  
      // sort view
      sortView(sortColumn, sortOrder);
      ui->treeWidget->setEnabled(true);
  }
  