1 files changed, 4 insertions, 15 deletions

diff --git a/src/qt/sendcoinsdialog.cpp b/src/qt/sendcoinsdialog.cpp
index a056e858a7..6309070fef 100644
--- a/src/qt/sendcoinsdialog.cpp
+++ b/src/qt/sendcoinsdialog.cpp
@@ -114,10 +114,6 @@ SendCoinsDialog::SendCoinsDialog(const PlatformStyle *_platformStyle, QWidget *p
         settings.setValue("nFeeRadio", 1); // custom
     if (!settings.contains("nFeeRadio"))
         settings.setValue("nFeeRadio", 0); // recommended
-    if (!settings.contains("nCustomFeeRadio") && settings.contains("nTransactionFee") && settings.value("nTransactionFee").toLongLong() > 0) // compatibility
-        settings.setValue("nCustomFeeRadio", 1); // total at least
-    if (!settings.contains("nCustomFeeRadio"))
-        settings.setValue("nCustomFeeRadio", 0); // per kilobyte
     if (!settings.contains("nSmartFeeSliderPosition"))
         settings.setValue("nSmartFeeSliderPosition", 0);
     if (!settings.contains("nTransactionFee"))
@@ -127,8 +123,6 @@ SendCoinsDialog::SendCoinsDialog(const PlatformStyle *_platformStyle, QWidget *p
     ui->groupFee->setId(ui->radioSmartFee, 0);
     ui->groupFee->setId(ui->radioCustomFee, 1);
     ui->groupFee->button((int)std::max(0, std::min(1, settings.value("nFeeRadio").toInt())))->setChecked(true);
-    ui->groupCustomFee->setId(ui->radioCustomPerKilobyte, 0);
-    ui->groupCustomFee->button((int)std::max(0, std::min(1, settings.value("nCustomFeeRadio").toInt())))->setChecked(true);
     ui->customFee->setValue(settings.value("nTransactionFee").toLongLong());
     ui->checkBoxMinimumFee->setChecked(settings.value("fPayOnlyMinFee").toBool());
     minimizeFeeSection(settings.value("fFeeSectionMinimized").toBool());
@@ -178,7 +172,6 @@ void SendCoinsDialog::setModel(WalletModel *_model)
         connect(ui->confTargetSelector, SIGNAL(currentIndexChanged(int)), this, SLOT(coinControlUpdateLabels()));
         connect(ui->groupFee, SIGNAL(buttonClicked(int)), this, SLOT(updateFeeSectionControls()));
         connect(ui->groupFee, SIGNAL(buttonClicked(int)), this, SLOT(coinControlUpdateLabels()));
-        connect(ui->groupCustomFee, SIGNAL(buttonClicked(int)), this, SLOT(coinControlUpdateLabels()));
         connect(ui->customFee, SIGNAL(valueChanged()), this, SLOT(coinControlUpdateLabels()));
         connect(ui->checkBoxMinimumFee, SIGNAL(stateChanged(int)), this, SLOT(setMinimumFee()));
         connect(ui->checkBoxMinimumFee, SIGNAL(stateChanged(int)), this, SLOT(updateFeeSectionControls()));
@@ -214,7 +207,6 @@ SendCoinsDialog::~SendCoinsDialog()
     QSettings settings;
     settings.setValue("fFeeSectionMinimized", fFeeMinimized);
     settings.setValue("nFeeRadio", ui->groupFee->checkedId());
-    settings.setValue("nCustomFeeRadio", ui->groupCustomFee->checkedId());
     settings.setValue("nConfTarget", getConfTargetForIndex(ui->confTargetSelector->currentIndex()));
     settings.setValue("nTransactionFee", (qint64)ui->customFee->value());
     settings.setValue("fPayOnlyMinFee", ui->checkBoxMinimumFee->isChecked());
@@ -609,7 +601,6 @@ void SendCoinsDialog::on_buttonMinimizeFee_clicked()
 
 void SendCoinsDialog::setMinimumFee()
 {
-    ui->radioCustomPerKilobyte->setChecked(true);
     ui->customFee->setValue(GetRequiredFee(1000));
 }
 
@@ -622,7 +613,7 @@ void SendCoinsDialog::updateFeeSectionControls()
     ui->labelFeeEstimation      ->setEnabled(ui->radioSmartFee->isChecked());
     ui->checkBoxMinimumFee      ->setEnabled(ui->radioCustomFee->isChecked());
     ui->labelMinFeeWarning      ->setEnabled(ui->radioCustomFee->isChecked());
-    ui->radioCustomPerKilobyte  ->setEnabled(ui->radioCustomFee->isChecked() && !ui->checkBoxMinimumFee->isChecked());
+    ui->labelCustomPerKilobyte  ->setEnabled(ui->radioCustomFee->isChecked() && !ui->checkBoxMinimumFee->isChecked());
     ui->customFee               ->setEnabled(ui->radioCustomFee->isChecked() && !ui->checkBoxMinimumFee->isChecked());
 }
 
@@ -634,8 +625,7 @@ void SendCoinsDialog::updateFeeMinimizedLabel()
     if (ui->radioSmartFee->isChecked())
         ui->labelFeeMinimized->setText(ui->labelSmartFee->text());
     else {
-        ui->labelFeeMinimized->setText(BitcoinUnits::formatWithUnit(model->getOptionsModel()->getDisplayUnit(), ui->customFee->value()) +
-            ((ui->radioCustomPerKilobyte->isChecked()) ? "/kB" : ""));
+        ui->labelFeeMinimized->setText(BitcoinUnits::formatWithUnit(model->getOptionsModel()->getDisplayUnit(), ui->customFee->value()) + "/kB");
     }
 }
 
@@ -777,19 +767,18 @@ void SendCoinsDialog::coinControlChangeEdited(const QString& text)
         CoinControlDialog::coinControl->destChange = CNoDestination();
         ui->labelCoinControlChangeLabel->setStyleSheet("QLabel{color:red;}");
 
-        CBitcoinAddress addr = CBitcoinAddress(text.toStdString());
+        const CTxDestination dest = DecodeDestination(text.toStdString());
 
         if (text.isEmpty()) // Nothing entered
         {
             ui->labelCoinControlChangeLabel->setText("");
         }
-        else if (!addr.IsValid()) // Invalid address
+        else if (!IsValidDestination(dest)) // Invalid address
         {
             ui->labelCoinControlChangeLabel->setText(tr("Warning: Invalid Bitcoin address"));
         }
         else // Valid address
         {
-            const CTxDestination dest = addr.Get();
             if (!model->IsSpendable(dest)) {
                 ui->labelCoinControlChangeLabel->setText(tr("Warning: Unknown change address"));