Merge pull request #3253

6a86c24 Coin Control Features (Cozz Lovan)
8dfd8c6 pass nBytes as parameter to GetMinFee(..) (Cozz Lovan)

1 files changed, 766 insertions, 0 deletions

diff --git a/src/qt/coincontroldialog.cpp b/src/qt/coincontroldialog.cpp
new file mode 100644
index 0000000000..58f5113453
--- /dev/null
+++ b/src/qt/coincontroldialog.cpp
@@ -0,0 +1,766 @@
+#include "coincontroldialog.h"
+#include "ui_coincontroldialog.h"
+
+#include "init.h"
+#include "bitcoinunits.h"
+#include "walletmodel.h"
+#include "addresstablemodel.h"
+#include "optionsmodel.h"
+#include "guiutil.h"
+#include "coincontrol.h"
+#include "main.h"
+#include "wallet.h"
+
+#include <QApplication>
+#include <QCheckBox>
+#include <QClipboard>
+#include <QColor>
+#include <QCursor>
+#include <QDateTime>
+#include <QDialogButtonBox>
+#include <QFlags>
+#include <QIcon>
+#include <QString>
+#include <QTreeWidget>
+#include <QTreeWidgetItem>
+
+using namespace std;
+QList<qint64> CoinControlDialog::payAmounts;
+CCoinControl* CoinControlDialog::coinControl = new CCoinControl();
+
+CoinControlDialog::CoinControlDialog(QWidget *parent) :
+    QDialog(parent),
+    ui(new Ui::CoinControlDialog),
+    model(0)
+{
+    ui->setupUi(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();
+    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 low output"), 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
+    ui->treeWidget->header()->setClickable(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()));
+
+    ui->treeWidget->setColumnWidth(COLUMN_CHECKBOX, 84);
+    ui->treeWidget->setColumnWidth(COLUMN_AMOUNT, 100);
+    ui->treeWidget->setColumnWidth(COLUMN_LABEL, 170);
+    ui->treeWidget->setColumnWidth(COLUMN_ADDRESS, 290);
+    ui->treeWidget->setColumnWidth(COLUMN_DATE, 110);
+    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
+
+    // default view is sorted by amount desc
+    sortView(COLUMN_AMOUNT_INT64, Qt::DescendingOrder);
+}
+
+CoinControlDialog::~CoinControlDialog()
+{
+    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);
+}
+
+// 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(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(" ")));
+}
+
+// copy label "After fee" to clipboard
+void CoinControlDialog::clipboardAfterFee()
+{
+    GUIUtil::setClipboard(ui->labelCoinControlAfterFee->text().left(ui->labelCoinControlAfterFee->text().indexOf(" ")));
+}
+
+// copy label "Bytes" to clipboard
+void CoinControlDialog::clipboardBytes()
+{
+    GUIUtil::setClipboard(ui->labelCoinControlBytes->text());
+}
+
+// copy label "Priority" to clipboard
+void CoinControlDialog::clipboardPriority()
+{
+    GUIUtil::setClipboard(ui->labelCoinControlPriority->text());
+}
+
+// copy label "Low output" 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(" ")));
+}
+
+// treeview: sort
+void CoinControlDialog::sortView(int column, Qt::SortOrder order)
+{
+    sortColumn = column;
+    sortOrder = order;
+    ui->treeWidget->sortItems(column, order);
+    ui->treeWidget->header()->setSortIndicator((sortColumn == COLUMN_AMOUNT_INT64 ? COLUMN_AMOUNT : (sortColumn == COLUMN_PRIORITY_INT64 ? COLUMN_PRIORITY : 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 == COLUMN_AMOUNT_INT64 ? COLUMN_AMOUNT : (sortColumn == COLUMN_PRIORITY_INT64 ? COLUMN_PRIORITY : sortColumn)), sortOrder);
+    }
+    else
+    {
+        if (logicalIndex == COLUMN_AMOUNT) // sort by amount
+            logicalIndex = COLUMN_AMOUNT_INT64;
+
+        if (logicalIndex == COLUMN_PRIORITY) // sort by priority
+            logicalIndex = COLUMN_PRIORITY_INT64;
+
+        if (sortColumn == logicalIndex)
+            sortOrder = ((sortOrder == Qt::AscendingOrder) ? Qt::DescendingOrder : Qt::AscendingOrder);
+        else
+        {
+            sortColumn = logicalIndex;
+            sortOrder = ((sortColumn == COLUMN_AMOUNT_INT64 || sortColumn == COLUMN_PRIORITY_INT64 || sortColumn == COLUMN_DATE || sortColumn == COLUMN_CONFIRMATIONS) ? Qt::DescendingOrder : Qt::AscendingOrder); // if amount,date,conf,priority then default => desc, else default => asc
+        }
+
+        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);
+
+        // selection changed -> update labels
+        if (ui->treeWidget->isEnabled()) // do not update on every click for (un)select all
+            CoinControlDialog::updateLabels(model, this);
+    }
+}
+
+// return human readable label for priority number
+QString CoinControlDialog::getPriorityLabel(double dPriority)
+{
+    if (AllowFree(dPriority)) // at least medium
+    {
+        if      (AllowFree(dPriority / 1000000))  return tr("highest");
+        else if (AllowFree(dPriority / 100000))   return tr("higher");
+        else if (AllowFree(dPriority / 10000))    return tr("high");
+        else if (AllowFree(dPriority / 1000))     return tr("medium-high");
+        else                                      return tr("medium");
+    }
+    else
+    {
+        if      (AllowFree(dPriority * 10))   return tr("low-medium");
+        else if (AllowFree(dPriority * 100))  return tr("low");
+        else if (AllowFree(dPriority * 1000)) 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
+    qint64 nPayAmount = 0;
+    bool fLowOutput = false;
+    bool fDust = false;
+    CTransaction txDummy;
+    foreach(const qint64 &amount, CoinControlDialog::payAmounts)
+    {
+        nPayAmount += amount;
+
+        if (amount > 0)
+        {
+            if (amount < CENT)
+                fLowOutput = true;
+
+            CTxOut txout(amount, (CScript)vector<unsigned char>(24, 0));
+            txDummy.vout.push_back(txout);
+            if (txout.IsDust(CTransaction::nMinRelayTxFee))
+               fDust = true;
+        }
+    }
+
+    QString sPriorityLabel      = "";
+    int64_t nAmount             = 0;
+    int64_t nPayFee             = 0;
+    int64_t nAfterFee           = 0;
+    int64_t nChange             = 0;
+    unsigned int nBytes         = 0;
+    unsigned int nBytesInputs   = 0;
+    double dPriority            = 0;
+    double dPriorityInputs      = 0;
+    unsigned int nQuantity      = 0;
+    int nQuantityUncompressed   = 0;
+
+    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
+        if (out.tx->IsSpent(out.i))
+        {
+            uint256 txhash = out.tx->GetHash();
+            COutPoint outpt(txhash, out.i);
+            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() + 1 : 2) * 34) + 10; // always assume +1 output for change here
+
+        // Priority
+        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);
+
+        // Fee
+        int64_t nFee = nTransactionFee * (1 + (int64_t)nBytes / 1000);
+
+        // Min Fee
+        int64_t nMinFee = GetMinFee(txDummy, nBytes, AllowFree(dPriority), GMF_SEND);
+
+        nPayFee = max(nFee, nMinFee);
+
+        if (nPayAmount > 0)
+        {
+            nChange = nAmount - nPayFee - nPayAmount;
+
+            // if sub-cent change is required, the fee must be raised to at least CTransaction::nMinTxFee
+            if (nPayFee < CTransaction::nMinTxFee && nChange > 0 && nChange < CENT)
+            {
+                if (nChange < CTransaction::nMinTxFee) // change < 0.0001 => simply move all change to fees
+                {
+                    nPayFee += nChange;
+                    nChange = 0;
+                }
+                else
+                {
+                    nChange = nChange + nPayFee - CTransaction::nMinTxFee;
+                    nPayFee = CTransaction::nMinTxFee;
+                }
+            }
+
+            // 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(CTransaction::nMinRelayTxFee))
+                {
+                    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::BTC;
+    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 "low output" 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((fLowOutput ? (fDust ? tr("DUST") : tr("yes")) : tr("no"))); // Low Output / Dust
+    l8->setText(BitcoinUnits::formatWithUnit(nDisplayUnit, nChange));        // Change
+
+    // turn labels "red"
+    l5->setStyleSheet((nBytes >= 1000) ? "color:red;" : "");                // Bytes >= 1000
+    l6->setStyleSheet((!AllowFree(dPriority)) ? "color:red;" : "");         // Priority < "medium"
+    l7->setStyleSheet((fLowOutput) ? "color:red;" : "");                    // Low Output = "yes"
+    l8->setStyleSheet((nChange > 0 && nChange < CENT) ? "color:red;" : ""); // Change < 0.01BTC
+
+    // tool tips
+    l5->setToolTip(tr("This label turns red, if the transaction size is bigger than 1000 bytes.\n\n This means a fee of at least %1 per kb is required.\n\n Can vary +/- 1 Byte per input.").arg(BitcoinUnits::formatWithUnit(nDisplayUnit, CTransaction::nMinTxFee)));
+    l6->setToolTip(tr("Transactions with higher priority get more likely into a block.\n\nThis label turns red, if the priority is smaller than \"medium\".\n\n This means a fee of at least %1 per kb is required.").arg(BitcoinUnits::formatWithUnit(nDisplayUnit, CTransaction::nMinTxFee)));
+    l7->setToolTip(tr("This label turns red, if any recipient receives an amount smaller than %1.\n\n This means a fee of at least %2 is required. \n\n Amounts below 0.546 times the minimum relay fee are shown as DUST.").arg(BitcoinUnits::formatWithUnit(nDisplayUnit, CENT)).arg(BitcoinUnits::formatWithUnit(nDisplayUnit, CTransaction::nMinTxFee)));
+    l8->setToolTip(tr("This label turns red, if the change is smaller than %1.\n\n This means a fee of at least %2 is required.").arg(BitcoinUnits::formatWithUnit(nDisplayUnit, CENT)).arg(BitcoinUnits::formatWithUnit(nDisplayUnit, CTransaction::nMinTxFee)));
+    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()
+{
+    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 = BitcoinUnits::BTC;
+    if (model && model->getOptionsModel())
+        nDisplayUnit = model->getOptionsModel()->getDisplayUnit();
+
+    map<QString, vector<COutput> > mapCoins;
+    model->listCoins(mapCoins);
+
+    BOOST_FOREACH(PAIRTYPE(QString, vector<COutput>) coins, mapCoins)
+    {
+        QTreeWidgetItem *itemWalletAddress = new QTreeWidgetItem();
+        QString sWalletAddress = coins.first;
+        QString sWalletLabel = "";
+        if (model->getAddressTableModel())
+            sWalletLabel = model->getAddressTableModel()->labelForAddress(sWalletAddress);
+        if (sWalletLabel.length() == 0)
+            sWalletLabel = tr("(no label)");
+
+        if (treeMode)
+        {
+            // wallet address
+            ui->treeWidget->addTopLevelItem(itemWalletAddress);
+
+            itemWalletAddress->setFlags(flgTristate);
+            itemWalletAddress->setCheckState(COLUMN_CHECKBOX,Qt::Unchecked);
+
+            for (int i = 0; i < ui->treeWidget->columnCount(); i++)
+                itemWalletAddress->setBackground(i, QColor(248, 247, 246));
+
+            // label
+            itemWalletAddress->setText(COLUMN_LABEL, sWalletLabel);
+
+            // address
+            itemWalletAddress->setText(COLUMN_ADDRESS, sWalletAddress);
+        }
+
+        int64_t 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 = CBitcoinAddress(outputAddress).ToString().c_str();
+
+                // if listMode or change => show bitcoin address. In tree mode, address is not shown again for direct wallet address outputs
+                if (!treeMode || (!(sAddress == sWalletAddress)))
+                    itemOutput->setText(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 = "";
+                if (model->getAddressTableModel())
+                    sLabel = model->getAddressTableModel()->labelForAddress(sAddress);
+                if (sLabel.length() == 0)
+                    sLabel = tr("(no label)");
+                itemOutput->setText(COLUMN_LABEL, sLabel);
+            }
+
+            // amount
+            itemOutput->setText(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, QDateTime::fromTime_t(out.tx->GetTxTime()).toString("yy-MM-dd hh:mm"));
+
+            // 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));
+            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, txhash.GetHex().c_str());
+
+            // 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->setText(COLUMN_AMOUNT_INT64, strPad(QString::number(nSum), 15, " "));
+            itemWalletAddress->setText(COLUMN_PRIORITY, CoinControlDialog::getPriorityLabel(dPrioritySum));
+            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);
+}