diff --git a/src/qt/transactionview.h b/src/qt/transactionview.h
--- a/src/qt/transactionview.h
+++ b/src/qt/transactionview.h
@@ -25,10 +25,11 @@
 class QTableView;
 QT_END_NAMESPACE
 
-/** Widget showing the transaction list for a wallet, including a filter row.
-    Using the filter row, the user can view or export a subset of the
-   transactions.
-  */
+/**
+ * Widget showing the transaction list for a wallet, including a filter row.
+ * Using the filter row, the user can view or export a subset of the
+ * transactions.
+ */
 class TransactionView : public QWidget {
     Q_OBJECT
 
@@ -103,7 +104,9 @@
 Q_SIGNALS:
     void doubleClicked(const QModelIndex &);
 
-    /**  Fired when a message should be reported to the user */
+    /**
+     * Fired when a message should be reported to the user.
+     */
     void message(const QString &title, const QString &message,
                  unsigned int style);
 
diff --git a/src/qt/transactionview.cpp b/src/qt/transactionview.cpp
--- a/src/qt/transactionview.cpp
+++ b/src/qt/transactionview.cpp
@@ -249,9 +249,11 @@
                 QString host =
                     QUrl(listUrls[i].trimmed(), QUrl::StrictMode).host();
                 if (!host.isEmpty()) {
-                    QAction *thirdPartyTxUrlAction =
-                        new QAction(host, this); // use host as menu item label
-                    if (i == 0) contextMenu->addSeparator();
+                    // use host as menu item label
+                    QAction *thirdPartyTxUrlAction = new QAction(host, this);
+                    if (i == 0) {
+                        contextMenu->addSeparator();
+                    }
                     contextMenu->addAction(thirdPartyTxUrlAction);
                     connect(thirdPartyTxUrlAction, SIGNAL(triggered()),
                             mapperThirdPartyTxUrls, SLOT(map()));
@@ -271,7 +273,10 @@
 }
 
 void TransactionView::chooseDate(int idx) {
-    if (!transactionProxyModel) return;
+    if (!transactionProxyModel) {
+        return;
+    }
+
     QDate current = QDate::currentDate();
     dateRangeWidget->setVisible(false);
     switch (dateWidget->itemData(idx).toInt()) {
@@ -315,24 +320,36 @@
 }
 
 void TransactionView::chooseType(int idx) {
-    if (!transactionProxyModel) return;
+    if (!transactionProxyModel) {
+        return;
+    }
+
     transactionProxyModel->setTypeFilter(typeWidget->itemData(idx).toInt());
 }
 
 void TransactionView::chooseWatchonly(int idx) {
-    if (!transactionProxyModel) return;
+    if (!transactionProxyModel) {
+        return;
+    }
+
     transactionProxyModel->setWatchOnlyFilter(
         (TransactionFilterProxy::WatchOnlyFilter)watchOnlyWidget->itemData(idx)
             .toInt());
 }
 
 void TransactionView::changedPrefix(const QString &prefix) {
-    if (!transactionProxyModel) return;
+    if (!transactionProxyModel) {
+        return;
+    }
+
     transactionProxyModel->setAddressPrefix(prefix);
 }
 
 void TransactionView::changedAmount(const QString &amount) {
-    if (!transactionProxyModel) return;
+    if (!transactionProxyModel) {
+        return;
+    }
+
     Amount amount_parsed(0);
     if (BitcoinUnits::parse(model->getOptionsModel()->getDisplayUnit(), amount,
                             &amount_parsed)) {
@@ -348,15 +365,18 @@
         this, tr("Export Transaction History"), QString(),
         tr("Comma separated file (*.csv)"), nullptr);
 
-    if (filename.isNull()) return;
+    if (filename.isNull()) {
+        return;
+    }
 
     CSVModelWriter writer(filename);
 
     // name, column, role
     writer.setModel(transactionProxyModel);
     writer.addColumn(tr("Confirmed"), 0, TransactionTableModel::ConfirmedRole);
-    if (model && model->haveWatchOnly())
+    if (model && model->haveWatchOnly()) {
         writer.addColumn(tr("Watch-only"), TransactionTableModel::Watchonly);
+    }
     writer.addColumn(tr("Date"), 0, TransactionTableModel::DateRole);
     writer.addColumn(tr("Type"), TransactionTableModel::Type, Qt::EditRole);
     writer.addColumn(tr("Label"), 0, TransactionTableModel::LabelRole);
@@ -407,6 +427,7 @@
     if (!transactionView || !transactionView->selectionModel()) {
         return;
     }
+
     QModelIndexList selection =
         transactionView->selectionModel()->selectedRows(0);
 
@@ -455,12 +476,18 @@
 }
 
 void TransactionView::editLabel() {
-    if (!transactionView->selectionModel() || !model) return;
+    if (!transactionView->selectionModel() || !model) {
+        return;
+    }
+
     QModelIndexList selection =
         transactionView->selectionModel()->selectedRows();
     if (!selection.isEmpty()) {
         AddressTableModel *addressBook = model->getAddressTableModel();
-        if (!addressBook) return;
+        if (!addressBook) {
+            return;
+        }
+
         QString address =
             selection.at(0).data(TransactionTableModel::AddressRole).toString();
         if (address.isEmpty()) {
@@ -468,8 +495,7 @@
             return;
         }
         // Is address in address book? Address book can miss address when a
-        // transaction is
-        // sent from outside the UI.
+        // transaction is sent from outside the UI.
         int idx = addressBook->lookupAddress(address);
         if (idx != -1) {
             // Edit sending / receiving address
@@ -496,7 +522,10 @@
 }
 
 void TransactionView::showDetails() {
-    if (!transactionView->selectionModel()) return;
+    if (!transactionView->selectionModel()) {
+        return;
+    }
+
     QModelIndexList selection =
         transactionView->selectionModel()->selectedRows();
     if (!selection.isEmpty()) {
@@ -507,15 +536,19 @@
 }
 
 void TransactionView::openThirdPartyTxUrl(QString url) {
-    if (!transactionView || !transactionView->selectionModel()) return;
+    if (!transactionView || !transactionView->selectionModel()) {
+        return;
+    }
+
     QModelIndexList selection =
         transactionView->selectionModel()->selectedRows(0);
-    if (!selection.isEmpty())
+    if (!selection.isEmpty()) {
         QDesktopServices::openUrl(QUrl::fromUserInput(
             url.replace("%s",
                         selection.at(0)
                             .data(TransactionTableModel::TxHashRole)
                             .toString())));
+    }
 }
 
 QWidget *TransactionView::createDateRangeWidget() {
@@ -555,13 +588,19 @@
 }
 
 void TransactionView::dateRangeChanged() {
-    if (!transactionProxyModel) return;
+    if (!transactionProxyModel) {
+        return;
+    }
+
     transactionProxyModel->setDateRange(QDateTime(dateFrom->date()),
                                         QDateTime(dateTo->date()).addDays(1));
 }
 
 void TransactionView::focusTransaction(const QModelIndex &idx) {
-    if (!transactionProxyModel) return;
+    if (!transactionProxyModel) {
+        return;
+    }
+
     QModelIndex targetIdx = transactionProxyModel->mapFromSource(idx);
     transactionView->scrollTo(targetIdx);
     transactionView->setCurrentIndex(targetIdx);