From 61b4078a6abf9812e661d560cf5fb513661485b1 Mon Sep 17 00:00:00 2001
From: J Ross Nicoll <jrn@jrn.me.uk>
Date: Sun, 6 Sep 2015 09:28:29 +0100
Subject: [PATCH] Disable UI elements for selecting zero-fee

---
 src/qt/forms/sendcoinsdialog.ui |  2 ++
 src/qt/sendcoinsdialog.cpp      | 19 ++++++++++++-------
 2 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/src/qt/forms/sendcoinsdialog.ui b/src/qt/forms/sendcoinsdialog.ui
index 99b8befc4..baab73001 100644
--- a/src/qt/forms/sendcoinsdialog.ui
+++ b/src/qt/forms/sendcoinsdialog.ui
@@ -1167,6 +1167,7 @@
              </item>
             </layout>
            </item>
+           <!--
            <item>
             <layout class="QHBoxLayout" name="horizontalLayoutFee5" stretch="0,0,0">
              <property name="spacing">
@@ -1207,6 +1208,7 @@
              </item>
             </layout>
            </item>
+           -->
            <item>
             <spacer name="verticalSpacerFee2">
              <property name="orientation">
diff --git a/src/qt/sendcoinsdialog.cpp b/src/qt/sendcoinsdialog.cpp
index 72758407a..a1da6a481 100644
--- a/src/qt/sendcoinsdialog.cpp
+++ b/src/qt/sendcoinsdialog.cpp
@@ -103,8 +103,9 @@ SendCoinsDialog::SendCoinsDialog(const PlatformStyle *platformStyle, QWidget *pa
         settings.setValue("nTransactionFee", (qint64)DEFAULT_TRANSACTION_FEE);
     if (!settings.contains("fPayOnlyMinFee"))
         settings.setValue("fPayOnlyMinFee", false);
-    if (!settings.contains("fSendFreeTransactions"))
-        settings.setValue("fSendFreeTransactions", false);
+    // Dogecoin: Disable free transactions
+    /* if (!settings.contains("fSendFreeTransactions"))
+        settings.setValue("fSendFreeTransactions", false); */
     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);
@@ -114,7 +115,8 @@ SendCoinsDialog::SendCoinsDialog(const PlatformStyle *platformStyle, QWidget *pa
     ui->sliderSmartFee->setValue(settings.value("nSmartFeeSliderPosition").toInt());
     ui->customFee->setValue(settings.value("nTransactionFee").toLongLong());
     ui->checkBoxMinimumFee->setChecked(settings.value("fPayOnlyMinFee").toBool());
-    ui->checkBoxFreeTx->setChecked(settings.value("fSendFreeTransactions").toBool());
+    // Dogecoin: Disable free transactions
+    // ui->checkBoxFreeTx->setChecked(settings.value("fSendFreeTransactions").toBool());
     minimizeFeeSection(settings.value("fFeeSectionMinimized").toBool());
 }
 
@@ -169,8 +171,9 @@ void SendCoinsDialog::setModel(WalletModel *model)
         connect(ui->checkBoxMinimumFee, SIGNAL(stateChanged(int)), this, SLOT(updateFeeSectionControls()));
         connect(ui->checkBoxMinimumFee, SIGNAL(stateChanged(int)), this, SLOT(updateGlobalFeeVariables()));
         connect(ui->checkBoxMinimumFee, SIGNAL(stateChanged(int)), this, SLOT(coinControlUpdateLabels()));
-        connect(ui->checkBoxFreeTx, SIGNAL(stateChanged(int)), this, SLOT(updateGlobalFeeVariables()));
-        connect(ui->checkBoxFreeTx, SIGNAL(stateChanged(int)), this, SLOT(coinControlUpdateLabels()));
+        // Dogecoin: Disable free transactions
+        // connect(ui->checkBoxFreeTx, SIGNAL(stateChanged(int)), this, SLOT(updateGlobalFeeVariables()));
+        // connect(ui->checkBoxFreeTx, SIGNAL(stateChanged(int)), this, SLOT(coinControlUpdateLabels()));
         ui->customFee->setSingleStep(CWallet::minTxFee.GetFeePerK());
         updateFeeSectionControls();
         updateMinFeeLabel();
@@ -188,7 +191,8 @@ SendCoinsDialog::~SendCoinsDialog()
     settings.setValue("nSmartFeeSliderPosition", ui->sliderSmartFee->value());
     settings.setValue("nTransactionFee", (qint64)ui->customFee->value());
     settings.setValue("fPayOnlyMinFee", ui->checkBoxMinimumFee->isChecked());
-    settings.setValue("fSendFreeTransactions", ui->checkBoxFreeTx->isChecked());
+    // Dogecoin: Disable free transactions
+    // settings.setValue("fSendFreeTransactions", ui->checkBoxFreeTx->isChecked());
 
     delete ui;
 }
@@ -601,7 +605,8 @@ void SendCoinsDialog::updateGlobalFeeVariables()
         fPayAtLeastCustomFee = ui->radioCustomAtLeast->isChecked();
     }
 
-    fSendFreeTransactions = ui->checkBoxFreeTx->isChecked();
+    // Dogecoin: Disable free transactions
+    // fSendFreeTransactions = ui->checkBoxFreeTx->isChecked();
 }
 
 void SendCoinsDialog::updateFeeMinimizedLabel()