[Qt][CoinControl] fix UI bug that could result in paying unexpected fee

Github-Pull: #8678 Rebased-From: 04802930d4e1f565b3c36e1a806fbe9cd4809937
TrezarCoin · Sep 21, 2016 · 8e03382 · 8e03382
1 parent 6b07362
commit 8e03382
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/qt/sendcoinsdialog.cpp b/src/qt/sendcoinsdialog.cpp
@@ -592,6 +592,9 @@ void SendCoinsDialog::updateGlobalFeeVariables()
     {
         nTxConfirmTarget = defaultConfirmTarget - ui->sliderSmartFee->value();
         payTxFee = CFeeRate(0);
+
+        // set nMinimumTotalFee to 0 to not accidentally pay a custom fee
+        CoinControlDialog::coinControl->nMinimumTotalFee = 0;
     }
     else
     {
@@ -790,7 +793,7 @@ void SendCoinsDialog::coinControlUpdateLabels()
         ui->radioCustomAtLeast->setVisible(true);
 
         // only enable the feature if inputs are selected
-        ui->radioCustomAtLeast->setEnabled(CoinControlDialog::coinControl->HasSelected());
+        ui->radioCustomAtLeast->setEnabled(ui->radioCustomFee->isChecked() && !ui->checkBoxMinimumFee->isChecked() &&CoinControlDialog::coinControl->HasSelected());
     }
     else
     {