Qt/Options: Configure walletrbf using rwconf

src/qt/optionsdialog.cpp

@@ -188,6 +188,14 @@ OptionsDialog::OptionsDialog(QWidget* parent, bool enableWallet)
     ui->maxuploadtarget->setMaximum(std::numeric_limits<int>::max());
     connect(ui->maxuploadtargetCheckbox, SIGNAL(toggled(bool)), ui->maxuploadtarget, SLOT(setEnabled(bool)));
 
+    prevwidget = ui->tabWidget;
+
+    walletrbf = new QCheckBox(ui->tabWallet);
+    walletrbf->setText(tr("Request Replace-By-Fee"));
+    walletrbf->setToolTip(tr("Indicates that the sender may wish to replace this transaction with a new one paying higher fees (prior to being confirmed). Can be overridden per send."));
+    ui->verticalLayout_Wallet->insertWidget(0, walletrbf);
+    FixTabOrder(walletrbf);
+
     prevwidget = ui->peerbloomfilters;
 
     /* Mempool tab */
@@ -490,6 +498,7 @@ void OptionsDialog::setMapper()
     mapper->addMapping(ui->pruneSizeMiB, OptionsModel::PruneSizeMiB);
 
     /* Wallet */
+    mapper->addMapping(walletrbf, OptionsModel::walletrbf);
     mapper->addMapping(ui->addressType, OptionsModel::addresstype);
     mapper->addMapping(ui->spendZeroConfChange, OptionsModel::SpendZeroConfChange);
     mapper->addMapping(ui->coinControlFeatures, OptionsModel::CoinControlFeatures);

src/qt/optionsdialog.h

@@ -94,6 +94,8 @@ private:
     void FixTabOrder(QWidget *);
     void CreateOptionUI(QBoxLayout *, QWidget *, const QString& text);
 
+    QCheckBox *walletrbf;
+
     QValueComboBox *mempoolreplacement;
     QSpinBox *maxorphantx;
     QSpinBox *maxmempool;

src/qt/optionsmodel.cpp

@@ -586,6 +586,10 @@ QVariant OptionsModel::getOption(OptionID option, const std::string& suffix) con
         return QVariant::fromValue(m_font_qrcodes);
     case PeersTabAlternatingRowColors:
         return m_peers_tab_alternating_row_colors;
+#ifdef ENABLE_WALLET
+    case walletrbf:
+        return gArgs.GetBoolArg("-walletrbf", wallet::DEFAULT_WALLET_RBF);
+#endif
     case CoinControlFeatures:
         return fCoinControlFeatures;
     case EnablePSBTControls:
@@ -860,6 +864,24 @@ bool OptionsModel::setOption(OptionID option, const QVariant& value, const std::
         settings.setValue("PeersTabAlternatingRowColors", m_peers_tab_alternating_row_colors);
         Q_EMIT peersTabAlternatingRowColorsChanged(m_peers_tab_alternating_row_colors);
         break;
+#ifdef ENABLE_WALLET
+    case walletrbf:
+        if (changed()) {
+            const bool fNewValue = value.toBool();
+            const std::string newvalue_str = strprintf("%d", fNewValue);
+            gArgs.ModifyRWConfigFile("walletrbf", newvalue_str);
+            gArgs.ForceSetArg("-walletrbf", newvalue_str);
+            for (auto& wallet_interface : m_node.walletLoader().getWallets()) {
+                wallet::CWallet *wallet;
+                if (wallet_interface && (wallet = wallet_interface->wallet())) {
+                    wallet->m_signal_rbf = fNewValue;
+                } else {
+                    setRestartRequired(true);
+                }
+            }
+        }
+        break;
+#endif
     case CoinControlFeatures:
         fCoinControlFeatures = value.toBool();
         settings.setValue("fCoinControlFeatures", fCoinControlFeatures);

src/qt/optionsmodel.h

@@ -64,6 +64,7 @@ public:
         FontForMoney,           // FontChoice
         FontForQRCodes,         // FontChoice
         PeersTabAlternatingRowColors, // bool
+        walletrbf,              // bool
         CoinControlFeatures,    // bool
         SubFeeFromAmount,       // bool
         ThreadsScriptVerif,     // int