[Qt] Feature: Added controls to the options dialog for enable or disable auto-minting and set required level

src/qt/forms/optionsdialog.ui

@@ -130,6 +130,19 @@
          </property>
         </spacer>
        </item>
+       <item>
+        <widget class="QCheckBox" name="checkBoxZeromintEnable">
+         <property name="toolTip">
+          <string>Enable automatic minting of PIV units to zPIV</string>
+         </property>
+         <property name="layoutDirection">
+          <enum>Qt::LeftToRight</enum>
+         </property>
+         <property name="text">
+          <string>Enable zPIV Automint</string>
+         </property>
+        </widget>
+       </item>
        <item>
         <layout class="QHBoxLayout" name="horizontalLayout_3">
          <item>

src/qt/optionsdialog.cpp

@@ -194,6 +194,8 @@ void OptionsDialog::setMapper()
     mapper->addMapping(ui->bitcoinAtStartup, OptionsModel::StartAtStartup);
     mapper->addMapping(ui->threadsScriptVerif, OptionsModel::ThreadsScriptVerif);
     mapper->addMapping(ui->databaseCache, OptionsModel::DatabaseCache);
+    // Zeromint Enabled
+    mapper->addMapping(ui->checkBoxZeromintEnable, OptionsModel::ZeromintEnable);
     // Zerocoin mint percentage
     mapper->addMapping(ui->zeromintPercentage, OptionsModel::ZeromintPercentage);
     // Zerocoin preferred denomination

src/qt/optionsmodel.cpp

@@ -18,6 +18,7 @@
 #include "main.h"
 #include "net.h"
 #include "txdb.h" // for -dbcache defaults
+#include "util.h"
 
 #ifdef ENABLE_WALLET
 #include "masternodeconfig.h"
@@ -72,12 +73,15 @@ void OptionsModel::Init()
         settings.setValue("fCoinControlFeatures", false);
     fCoinControlFeatures = settings.value("fCoinControlFeatures", false).toBool();
 
-    if (!settings.contains("nPreferredDenom"))
-        settings.setValue("nPreferredDenom", 0);
-    nPreferredDenom = settings.value("nPreferredDenom", "0").toLongLong();
+    if (!settings.contains("fZeromintEnable"))
+        settings.setValue("fZeromintEnable", true);
+    fEnableZeromint = settings.value("fZeromintEnable").toBool();
     if (!settings.contains("nZeromintPercentage"))
         settings.setValue("nZeromintPercentage", 10);
     nZeromintPercentage = settings.value("nZeromintPercentage").toLongLong();
+    if (!settings.contains("nPreferredDenom"))
+        settings.setValue("nPreferredDenom", 0);
+    nPreferredDenom = settings.value("nPreferredDenom", "0").toLongLong();
 
     if (!settings.contains("nAnonymizePivxAmount"))
         settings.setValue("nAnonymizePivxAmount", 1000);
@@ -147,6 +151,8 @@ void OptionsModel::Init()
     if (!SoftSetArg("-lang", settings.value("language").toString().toStdString()))
         addOverriddenOption("-lang");
 
+    if (settings.contains("fZeromintEnable"))
+        SoftSetBoolArg("-enablezeromint", settings.value("fZeromintEnable").toBool());
     if (settings.contains("nZeromintPercentage"))
         SoftSetArg("-zeromintpercentage", settings.value("nZeromintPercentage").toString().toStdString());
     if (settings.contains("nPreferredDenom"))
@@ -215,6 +221,7 @@ QVariant OptionsModel::data(const QModelIndex& index, int role) const
             return settings.value("fShowMasternodesTab");
 #endif
         case DisplayUnit:
+
             return nDisplayUnit;
         case ThirdPartyTxUrls:
             return strThirdPartyTxUrls;
@@ -230,6 +237,8 @@ QVariant OptionsModel::data(const QModelIndex& index, int role) const
             return settings.value("nDatabaseCache");
         case ThreadsScriptVerif:
             return settings.value("nThreadsScriptVerif");
+        case ZeromintEnable:
+            return QVariant(fEnableZeromint);
         case ZeromintPercentage:
             return QVariant(nZeromintPercentage);
         case ZeromintPrefDenom:
@@ -339,6 +348,11 @@ bool OptionsModel::setData(const QModelIndex& index, const QVariant& value, int
                 setRestartRequired(true);
             }
             break;
+        case ZeromintEnable:
+            fEnableZeromint = value.toBool();
+            settings.setValue("fZeromintEnable", fEnableZeromint);
+            emit zeromintEnableChanged(fEnableZeromint);
+            break;
         case ZeromintPercentage:
             nZeromintPercentage = value.toInt();
             settings.setValue("nZeromintPercentage", nZeromintPercentage);

src/qt/optionsmodel.h

@@ -43,6 +43,7 @@ class OptionsModel : public QAbstractListModel
         ThreadsScriptVerif,  // int
         DatabaseCache,       // int
         SpendZeroConfChange, // bool
+        ZeromintEnable,      // bool
         ZeromintPercentage,  // int
         ZeromintPrefDenom,   // int
         AnonymizePivxAmount, //int
@@ -90,6 +91,7 @@ class OptionsModel : public QAbstractListModel
 
 signals:
     void displayUnitChanged(int unit);
+    void zeromintEnableChanged(bool);
     void zeromintPercentageChanged(int);
     void preferredDenomChanged(int);
     void anonymizePivxAmountChanged(int);