text: // Copyright (c) 2011-2014 The Bitcoin developers
  // Copyright (c) 2014-2015 The Dash developers
  // Copyright (c) 2015-2017 The SPON developers
  // Distributed under the MIT/X11 software license, see the accompanying
  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
  
  #include "coincontroldialog.h"
  #include "ui_coincontroldialog.h"
  
  #include "addresstablemodel.h"
  #include "bitcoinunits.h"
  #include "guiutil.h"
  #include "init.h"
  #include "optionsmodel.h"
  #include "walletmodel.h"
  
  #include "coincontrol.h"
  #include "main.h"
  #include "obfuscation.h"
  #include "wallet.h"
  
  #include <boost/assign/list_of.hpp> // for 'map_list_of()'
  
  #include <QApplication>
  #include <QCheckBox>
  #include <QCursor>
  #include <QDialogButtonBox>
  #include <QFlags>
  #include <QIcon>
  #include <QSettings>
  #include <QString>
  #include <QTreeWidget>
  #include <QTreeWidgetItem>
  
  using namespace std;
  QList<CAmount> CoinControlDialog::payAmounts;
  int CoinControlDialog::nSplitBlockDummy;
  CCoinControl* CoinControlDialog::coinControl = new CCoinControl();
  
  CoinControlDialog::CoinControlDialog(QWidget* parent) : QDialog(parent),
                                                          ui(new Ui::CoinControlDialog),
                                                          model(0)
  {
      ui->setupUi(this);
  
      /* Open CSS when configured */
      this->setStyleSheet(GUIUtil::loadStyleSheet());
  
      // 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();
      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* clipboardPriorityAction = new QAction(tr("Copy priority"), 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(clipboardPriorityAction, SIGNAL(triggered()), this, SLOT(clipboardPriority()));
      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->labelCoinControlPriority->addAction(clipboardPriorityAction);
      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
  #if QT_VERSION < 0x050000
      ui->treeWidget->header()->setClickable(true);
  #else
      ui->treeWidget->header()->setSectionsClickable(true);
  #endif
      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()));
  
      // change coin control first column label due Qt4 bug.
      // see https://github.com/bitcoin/bitcoin/issues/5716
      ui->treeWidget->headerItem()->setText(COLUMN_CHECKBOX, QString());
  
      ui->treeWidget->setColumnWidth(COLUMN_CHECKBOX, 84);
      ui->treeWidget->setColumnWidth(COLUMN_AMOUNT, 100);
      ui->treeWidget->setColumnWidth(COLUMN_LABEL, 170);
      ui->treeWidget->setColumnWidth(COLUMN_ADDRESS, 190);
      ui->treeWidget->setColumnWidth(COLUMN_OBFUSCATION_ROUNDS, 88);
      ui->treeWidget->setColumnWidth(COLUMN_DATE, 80);
      ui->treeWidget->setColumnWidth(COLUMN_CONFIRMATIONS, 100);
      ui->treeWidget->setColumnWidth(COLUMN_PRIORITY, 100);
      ui->treeWidget->setColumnHidden(COLUMN_TXHASH, true);         // store transacton hash in this column, but dont show it
      ui->treeWidget->setColumnHidden(COLUMN_VOUT_INDEX, true);     // store vout index in this column, but dont show it
      ui->treeWidget->setColumnHidden(COLUMN_AMOUNT_INT64, true);   // store amount int64 in this column, but dont show it
      ui->treeWidget->setColumnHidden(COLUMN_PRIORITY_INT64, true); // store priority int64 in this column, but dont show it
      ui->treeWidget->setColumnHidden(COLUMN_DATE_INT64, true);     // store date int64 in this column, but dont show it
  
      // default view is sorted by amount desc
      sortView(COLUMN_AMOUNT_INT64, 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(), ((Qt::SortOrder)settings.value("nCoinControlSortOrder").toInt()));
  }
  
  CoinControlDialog::~CoinControlDialog()
  {
      QSettings settings;
      settings.setValue("nCoinControlMode", ui->radioListMode->isChecked());
      settings.setValue("nCoinControlSortColumn", sortColumn);
      settings.setValue("nCoinControlSortOrder", (int)sortOrder);
  
      delete ui;
  }
  
  void CoinControlDialog::setModel(WalletModel* model)
  {
      this->model = model;
  
      if (model && model->getOptionsModel() && model->getAddressTableModel()) {
          updateView();
          updateLabelLocked();
          CoinControlDialog::updateLabels(model, this);
      }
  }
  
  // helper function str_pad
  QString CoinControlDialog::strPad(QString s, int nPadLength, QString sPadding)
  {
      while (s.length() < nPadLength)
          s = sPadding + s;
  
      return s;
  }
  
  // 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)
          coinControl->UnSelectAll(); // just to be sure
      CoinControlDialog::updateLabels(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(uint256(item->text(COLUMN_TXHASH).toStdString()), item->text(COLUMN_VOUT_INDEX).toUInt());
              if (model->isLockedCoin(uint256(item->text(COLUMN_TXHASH).toStdString()), item->text(COLUMN_VOUT_INDEX).toUInt())) {
                  model->unlockCoin(outpt);
                  item->setDisabled(false);
                  item->setIcon(COLUMN_CHECKBOX, QIcon());
              } else {
                  model->lockCoin(outpt);
                  item->setDisabled(true);
                  item->setIcon(COLUMN_CHECKBOX, QIcon(":/icons/lock_closed"));
              }
              updateLabelLocked();
          }
          ui->treeWidget->setEnabled(true);
          CoinControlDialog::updateLabels(model, this);
      } else {
          QMessageBox msgBox;
          msgBox.setObjectName("lockMessageBox");
          msgBox.setStyleSheet(GUIUtil::loadStyleSheet());
          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->text(COLUMN_TXHASH).length() == 64) // transaction hash is 64 characters (this means its a child node, so its not a parent node in tree mode)
          {
              copyTransactionHashAction->setEnabled(true);
              if (model->isLockedCoin(uint256(item->text(COLUMN_TXHASH).toStdString()), item->text(COLUMN_VOUT_INDEX).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->text(COLUMN_TXHASH));
  }
  
  // context menu action: lock coin
  void CoinControlDialog::lockCoin()
  {
      if (contextMenuItem->checkState(COLUMN_CHECKBOX) == Qt::Checked)
          contextMenuItem->setCheckState(COLUMN_CHECKBOX, Qt::Unchecked);
  
      COutPoint outpt(uint256(contextMenuItem->text(COLUMN_TXHASH).toStdString()), contextMenuItem->text(COLUMN_VOUT_INDEX).toUInt());
      model->lockCoin(outpt);
      contextMenuItem->setDisabled(true);
      contextMenuItem->setIcon(COLUMN_CHECKBOX, QIcon(":/icons/lock_closed"));
      updateLabelLocked();
  }
  
  // context menu action: unlock coin
  void CoinControlDialog::unlockCoin()
  {
      COutPoint outpt(uint256(contextMenuItem->text(COLUMN_TXHASH).toStdString()), contextMenuItem->text(COLUMN_VOUT_INDEX).toUInt());
      model->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("~", ""));
  }
  
  // copy label "After fee" to clipboard
  void CoinControlDialog::clipboardAfterFee()
  {
      GUIUtil::setClipboard(ui->labelCoinControlAfterFee->text().left(ui->labelCoinControlAfterFee->text().indexOf(" ")).replace("~", ""));
  }
  
  // copy label "Bytes" to clipboard
  void CoinControlDialog::clipboardBytes()
  {
      GUIUtil::setClipboard(ui->labelCoinControlBytes->text().replace("~", ""));
  }
  
  // copy label "Priority" to clipboard
  void CoinControlDialog::clipboardPriority()
  {
      GUIUtil::setClipboard(ui->labelCoinControlPriority->text());
  }
  
  // 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("~", ""));
  }
  
  // treeview: sort
  void CoinControlDialog::sortView(int column, Qt::SortOrder order)
  {
      sortColumn = column;
      sortOrder = order;
      ui->treeWidget->sortItems(column, order);
      ui->treeWidget->header()->setSortIndicator(getMappedColumn(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(getMappedColumn(sortColumn), sortOrder);
      } else {
          logicalIndex = getMappedColumn(logicalIndex, false);
  
          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->text(COLUMN_TXHASH).length() == 64) // transaction hash is 64 characters (this means its a child node, so its not a parent node in tree mode)
      {
          COutPoint outpt(uint256(item->text(COLUMN_TXHASH).toStdString()), item->text(COLUMN_VOUT_INDEX).toUInt());
  
          if (item->checkState(COLUMN_CHECKBOX) == Qt::Unchecked)
              coinControl->UnSelect(outpt);
          else if (item->isDisabled()) // locked (this happens if "check all" through parent node)
              item->setCheckState(COLUMN_CHECKBOX, Qt::Unchecked);
          else {
              coinControl->Select(outpt);
              CTxIn vin(outpt);
              int rounds = pwalletMain->GetInputObfuscationRounds(vin);
              if (coinControl->useObfuScation && rounds < nObfuscationRounds) {
                  QMessageBox::warning(this, windowTitle(),
                      tr("Non-anonymized input selected. <b>Obfuscation will be disabled.</b><br><br>If you still want to use Obfuscation, please deselect all non-nonymized inputs first and then check Obfuscation checkbox again."),
                      QMessageBox::Ok, QMessageBox::Ok);
                  coinControl->useObfuScation = false;
              }
          }
  
          // selection changed -> update labels
          if (ui->treeWidget->isEnabled()) // do not update on every click for (un)select all
              CoinControlDialog::updateLabels(model, this);
      }
  // todo: this is a temporary qt5 fix: when clicking a parent node in tree mode, the parent node
  //       including all childs are partially selected. But the parent node should be fully selected
  //       as well as the childs. Childs should never be partially selected in the first place.
  //       Please remove this ugly fix, once the bug is solved upstream.
  #if QT_VERSION >= 0x050000
      else if (column == COLUMN_CHECKBOX && item->childCount() > 0) {
          if (item->checkState(COLUMN_CHECKBOX) == Qt::PartiallyChecked && item->child(0)->checkState(COLUMN_CHECKBOX) == Qt::PartiallyChecked)
              item->setCheckState(COLUMN_CHECKBOX, Qt::Checked);
      }
  #endif
  }
  
  // return human readable label for priority number
  QString CoinControlDialog::getPriorityLabel(double dPriority, double mempoolEstimatePriority)
  {
      double dPriorityMedium = mempoolEstimatePriority;
  
      if (dPriorityMedium <= 0)
          dPriorityMedium = AllowFreeThreshold(); // not enough data, back to hard-coded
  
      if (dPriority / 1000000 > dPriorityMedium)
          return tr("highest");
      else if (dPriority / 100000 > dPriorityMedium)
          return tr("higher");
      else if (dPriority / 10000 > dPriorityMedium)
          return tr("high");
      else if (dPriority / 1000 > dPriorityMedium)
          return tr("medium-high");
      else if (dPriority > dPriorityMedium)
          return tr("medium");
      else if (dPriority * 10 > dPriorityMedium)
          return tr("low-medium");
      else if (dPriority * 100 > dPriorityMedium)
          return tr("low");
      else if (dPriority * 1000 > dPriorityMedium)
          return tr("lower");
      else
          return tr("lowest");
  }
  
  // shows count of locked unspent outputs
  void CoinControlDialog::updateLabelLocked()
  {
      vector<COutPoint> vOutpts;
      model->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::updateLabels(WalletModel* model, QDialog* dialog)
  {
      if (!model)
          return;
  
      // nPayAmount
      CAmount nPayAmount = 0;
      bool fDust = false;
      CMutableTransaction txDummy;
      foreach (const CAmount& amount, CoinControlDialog::payAmounts) {
          nPayAmount += amount;
  
          if (amount > 0) {
              CTxOut txout(amount, (CScript)vector<unsigned char>(24, 0));
              txDummy.vout.push_back(txout);
              if (txout.IsDust(::minRelayTxFee))
                  fDust = true;
          }
      }
  
      QString sPriorityLabel = tr("none");
      CAmount nAmount = 0;
      CAmount nPayFee = 0;
      CAmount nAfterFee = 0;
      CAmount nChange = 0;
      unsigned int nBytes = 0;
      unsigned int nBytesInputs = 0;
      double dPriority = 0;
      double dPriorityInputs = 0;
      unsigned int nQuantity = 0;
      int nQuantityUncompressed = 0;
      bool fAllowFree = false;
  
      vector<COutPoint> vCoinControl;
      vector<COutput> vOutputs;
      coinControl->ListSelected(vCoinControl);
      model->getOutputs(vCoinControl, vOutputs);
  
      BOOST_FOREACH (const COutput& out, vOutputs) {
          // unselect already spent, very unlikely scenario, this could happen
          // when selected are spent elsewhere, like rpc or another computer
          uint256 txhash = out.tx->GetHash();
          COutPoint outpt(txhash, out.i);
          if (model->isSpent(outpt)) {
              coinControl->UnSelect(outpt);
              continue;
          }
  
          // Quantity
          nQuantity++;
  
          // Amount
          nAmount += out.tx->vout[out.i].nValue;
  
          // Priority
          dPriorityInputs += (double)out.tx->vout[out.i].nValue * (out.nDepth + 1);
  
          // Bytes
          CTxDestination address;
          if (ExtractDestination(out.tx->vout[out.i].scriptPubKey, address)) {
              CPubKey pubkey;
              CKeyID* keyid = boost::get<CKeyID>(&address);
              if (keyid && model->getPubKey(*keyid, pubkey)) {
                  nBytesInputs += (pubkey.IsCompressed() ? 148 : 180);
                  if (!pubkey.IsCompressed())
                      nQuantityUncompressed++;
              } 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() + max(1, CoinControlDialog::nSplitBlockDummy) : 2) * 34) + 10; // always assume +1 output for change here
  
          // Priority
          double mempoolEstimatePriority = mempool.estimatePriority(nTxConfirmTarget);
          dPriority = dPriorityInputs / (nBytes - nBytesInputs + (nQuantityUncompressed * 29)); // 29 = 180 - 151 (uncompressed public keys are over the limit. max 151 bytes of the input are ignored for priority)
          sPriorityLabel = CoinControlDialog::getPriorityLabel(dPriority, mempoolEstimatePriority);
  
          // Fee
          nPayFee = CWallet::GetMinimumFee(nBytes, nTxConfirmTarget, mempool);
  
          // IX Fee
          if (coinControl->useSwiftTX) nPayFee = max(nPayFee, CENT);
          // Allow free?
          double dPriorityNeeded = mempoolEstimatePriority;
          if (dPriorityNeeded <= 0)
              dPriorityNeeded = AllowFreeThreshold(); // not enough data, back to hard-coded
          fAllowFree = (dPriority >= dPriorityNeeded);
  
          if (fSendFreeTransactions)
              if (fAllowFree && nBytes <= MAX_FREE_TRANSACTION_CREATE_SIZE)
                  nPayFee = 0;
  
          if (nPayAmount > 0) {
              nChange = nAmount - nPayFee - nPayAmount;
  
              // DS Fee = overpay
              if (coinControl->useObfuScation && nChange > 0) {
                  nPayFee += nChange;
                  nChange = 0;
              }
              // Never create dust outputs; if we would, just add the dust to the fee.
              if (nChange > 0 && nChange < CENT) {
                  CTxOut txout(nChange, (CScript)vector<unsigned char>(24, 0));
                  if (txout.IsDust(::minRelayTxFee)) {
                      nPayFee += nChange;
                      nChange = 0;
                  }
              }
  
              if (nChange == 0)
                  nBytes -= 34;
          }
  
          // after fee
          nAfterFee = nAmount - nPayFee;
          if (nAfterFee < 0)
              nAfterFee = 0;
      }
  
      // actually update labels
      int nDisplayUnit = BitcoinUnits::SPON;
      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* l6 = dialog->findChild<QLabel*>("labelCoinControlPriority");
      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) ? "~" : "") + QString::number(nBytes));   // Bytes
      l6->setText(sPriorityLabel);                                        // Priority
      l7->setText(fDust ? tr("yes") : tr("no"));                          // Dust
      l8->setText(BitcoinUnits::formatWithUnit(nDisplayUnit, nChange));   // Change
      if (nPayFee > 0 && !(payTxFee.GetFeePerK() > 0 && fPayAtLeastCustomFee && nBytes < 1000)) {
          l3->setText("~" + l3->text());
          l4->setText("~" + l4->text());
          if (nChange > 0)
              l8->setText("~" + l8->text());
      }
  
      // turn labels "red"
      l5->setStyleSheet((nBytes >= MAX_FREE_TRANSACTION_CREATE_SIZE) ? "color:red;" : ""); // Bytes >= 1000
      l6->setStyleSheet((dPriority > 0 && !fAllowFree) ? "color:red;" : "");               // Priority < "medium"
      l7->setStyleSheet((fDust) ? "color:red;" : "");                                      // Dust = "yes"
  
      // tool tips
      QString toolTip1 = tr("This label turns red, if the transaction size is greater than 1000 bytes.") + "<br /><br />";
      toolTip1 += tr("This means a fee of at least %1 per kB is required.").arg(BitcoinUnits::formatWithUnit(nDisplayUnit, CWallet::minTxFee.GetFeePerK())) + "<br /><br />";
      toolTip1 += tr("Can vary +/- 1 byte per input.");
  
      QString toolTip2 = tr("Transactions with higher priority are more likely to get included into a block.") + "<br /><br />";
      toolTip2 += tr("This label turns red, if the priority is smaller than \"medium\".") + "<br /><br />";
      toolTip2 += tr("This means a fee of at least %1 per kB is required.").arg(BitcoinUnits::formatWithUnit(nDisplayUnit, CWallet::minTxFee.GetFeePerK()));
  
      QString toolTip3 = tr("This label turns red, if any recipient receives an amount smaller than %1.").arg(BitcoinUnits::formatWithUnit(nDisplayUnit, ::minRelayTxFee.GetFee(546)));
  
      // how many satoshis the estimated fee can vary per byte we guess wrong
      double dFeeVary;
      if (payTxFee.GetFeePerK() > 0)
          dFeeVary = (double)std::max(CWallet::minTxFee.GetFeePerK(), payTxFee.GetFeePerK()) / 1000;
      else
          dFeeVary = (double)std::max(CWallet::minTxFee.GetFeePerK(), mempool.estimateFee(nTxConfirmTarget).GetFeePerK()) / 1000;
      QString toolTip4 = tr("Can vary +/- %1 duff(s) per input.").arg(dFeeVary);
  
      l3->setToolTip(toolTip4);
      l4->setToolTip(toolTip4);
      l5->setToolTip(toolTip1);
      l6->setToolTip(toolTip2);
      l7->setToolTip(toolTip3);
      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*>("labelCoinControlPriorityText")->setToolTip(l6->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);
  }
  
  void CoinControlDialog::updateView()
  {
      if (!model || !model->getOptionsModel() || !model->getAddressTableModel())
          return;
  
      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();
      double mempoolEstimatePriority = mempool.estimatePriority(nTxConfirmTarget);
  
      map<QString, vector<COutput> > mapCoins;
      model->listCoins(mapCoins);
  
      BOOST_FOREACH (PAIRTYPE(QString, vector<COutput>) coins, mapCoins) {
          QTreeWidgetItem* itemWalletAddress = new QTreeWidgetItem();
          itemWalletAddress->setCheckState(COLUMN_CHECKBOX, Qt::Unchecked);
          QString sWalletAddress = 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;
          double dPrioritySum = 0;
          int nChildren = 0;
          int nInputSum = 0;
          BOOST_FOREACH (const COutput& out, coins.second) {
              int nInputSize = 0;
              nSum += out.tx->vout[out.i].nValue;
              nChildren++;
  
              QTreeWidgetItem* itemOutput;
              if (treeMode)
                  itemOutput = new QTreeWidgetItem(itemWalletAddress);
              else
                  itemOutput = new QTreeWidgetItem(ui->treeWidget);
              itemOutput->setFlags(flgCheckbox);
              itemOutput->setCheckState(COLUMN_CHECKBOX, Qt::Unchecked);
  
              // address
              CTxDestination outputAddress;
              QString sAddress = "";
              if (ExtractDestination(out.tx->vout[out.i].scriptPubKey, outputAddress)) {
                  sAddress = QString::fromStdString(CBitcoinAddress(outputAddress).ToString());
  
                  // if listMode or change => show SPON 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);
  
                  CPubKey pubkey;
                  CKeyID* keyid = boost::get<CKeyID>(&outputAddress);
                  if (keyid && model->getPubKey(*keyid, pubkey) && !pubkey.IsCompressed())
                      nInputSize = 29; // 29 = 180 - 151 (public key is 180 bytes, priority free area is 151 bytes)
              }
  
              // 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.tx->vout[out.i].nValue));
              itemOutput->setToolTip(COLUMN_AMOUNT, BitcoinUnits::format(nDisplayUnit, out.tx->vout[out.i].nValue));
              itemOutput->setText(COLUMN_AMOUNT_INT64, strPad(QString::number(out.tx->vout[out.i].nValue), 15, " ")); // padding so that sorting works correctly
  
              // date
              itemOutput->setText(COLUMN_DATE, GUIUtil::dateTimeStr(out.tx->GetTxTime()));
              itemOutput->setToolTip(COLUMN_DATE, GUIUtil::dateTimeStr(out.tx->GetTxTime()));
              itemOutput->setText(COLUMN_DATE_INT64, strPad(QString::number(out.tx->GetTxTime()), 20, " "));
  
  
              // ds+ rounds
              CTxIn vin = CTxIn(out.tx->GetHash(), out.i);
              int rounds = pwalletMain->GetInputObfuscationRounds(vin);
  
              if (rounds >= 0)
                  itemOutput->setText(COLUMN_OBFUSCATION_ROUNDS, strPad(QString::number(rounds), 11, " "));
              else
                  itemOutput->setText(COLUMN_OBFUSCATION_ROUNDS, strPad(QString(tr("n/a")), 11, " "));
  
  
              // confirmations
              itemOutput->setText(COLUMN_CONFIRMATIONS, strPad(QString::number(out.nDepth), 8, " "));
  
              // priority
              double dPriority = ((double)out.tx->vout[out.i].nValue / (nInputSize + 78)) * (out.nDepth + 1); // 78 = 2 * 34 + 10
              itemOutput->setText(COLUMN_PRIORITY, CoinControlDialog::getPriorityLabel(dPriority, mempoolEstimatePriority));
              itemOutput->setText(COLUMN_PRIORITY_INT64, strPad(QString::number((int64_t)dPriority), 20, " "));
              dPrioritySum += (double)out.tx->vout[out.i].nValue * (out.nDepth + 1);
              nInputSum += nInputSize;
  
              // transaction hash
              uint256 txhash = out.tx->GetHash();
              itemOutput->setText(COLUMN_TXHASH, QString::fromStdString(txhash.GetHex()));
  
              // vout index
              itemOutput->setText(COLUMN_VOUT_INDEX, QString::number(out.i));
  
              // disable locked coins
              if (model->isLockedCoin(txhash, out.i)) {
                  COutPoint outpt(txhash, out.i);
                  coinControl->UnSelect(outpt); // just to be sure
                  itemOutput->setDisabled(true);
                  itemOutput->setIcon(COLUMN_CHECKBOX, QIcon(":/icons/lock_closed"));
              }
  
              // set checkbox
              if (coinControl->IsSelected(txhash, out.i))
                  itemOutput->setCheckState(COLUMN_CHECKBOX, Qt::Checked);
          }
  
          // amount
          if (treeMode) {
              dPrioritySum = dPrioritySum / (nInputSum + 78);
              itemWalletAddress->setText(COLUMN_CHECKBOX, "(" + QString::number(nChildren) + ")");
              itemWalletAddress->setText(COLUMN_AMOUNT, BitcoinUnits::format(nDisplayUnit, nSum));
              itemWalletAddress->setToolTip(COLUMN_AMOUNT, BitcoinUnits::format(nDisplayUnit, nSum));
              itemWalletAddress->setText(COLUMN_AMOUNT_INT64, strPad(QString::number(nSum), 15, " "));
              itemWalletAddress->setText(COLUMN_PRIORITY, CoinControlDialog::getPriorityLabel(dPrioritySum, mempoolEstimatePriority));
              itemWalletAddress->setText(COLUMN_PRIORITY_INT64, strPad(QString::number((int64_t)dPrioritySum), 20, " "));
          }
      }
  
      // expand all partially selected
      if (treeMode) {
          for (int i = 0; i < ui->treeWidget->topLevelItemCount(); i++)
              if (ui->treeWidget->topLevelItem(i)->checkState(COLUMN_CHECKBOX) == Qt::PartiallyChecked)
                  ui->treeWidget->topLevelItem(i)->setExpanded(true);
      }
  
      // sort view
      sortView(sortColumn, sortOrder);
      ui->treeWidget->setEnabled(true);
  }
  