9 files changed, 21 insertions, 21 deletions
diff --git a/src/qt/bitcoin.cpp b/src/qt/bitcoin.cpp
index 4a4116c670..0567603c0a 100644
--- a/src/qt/bitcoin.cpp
+++ b/src/qt/bitcoin.cpp
@@ -227,7 +227,7 @@ public:
     void requestShutdown();
 
     /// Get process return value
-    int getReturnValue() { return returnValue; }
+    int getReturnValue() const { return returnValue; }
 
     /// Get window identifier of QMainWindow (BitcoinGUI)
     WId getMainWinId() const;
diff --git a/src/qt/modaloverlay.h b/src/qt/modaloverlay.h
index 21ccdbd839..cda23f9540 100644
--- a/src/qt/modaloverlay.h
+++ b/src/qt/modaloverlay.h
@@ -32,7 +32,7 @@ public Q_SLOTS:
     // will show or hide the modal layer
     void showHide(bool hide = false, bool userRequested = false);
     void closeClicked();
-    bool isLayerVisible() { return layerIsVisible; }
+    bool isLayerVisible() const { return layerIsVisible; }
 
 protected:
     bool eventFilter(QObject * obj, QEvent * ev);
diff --git a/src/qt/optionsmodel.cpp b/src/qt/optionsmodel.cpp
index d6e740ee9c..75c106da48 100644
--- a/src/qt/optionsmodel.cpp
+++ b/src/qt/optionsmodel.cpp
@@ -441,7 +441,7 @@ void OptionsModel::setRestartRequired(bool fRequired)
     return settings.setValue("fRestartRequired", fRequired);
 }
 
-bool OptionsModel::isRestartRequired()
+bool OptionsModel::isRestartRequired() const
 {
     QSettings settings;
     return settings.value("fRestartRequired", false).toBool();
diff --git a/src/qt/optionsmodel.h b/src/qt/optionsmodel.h
index 78529fbdcc..0ac82a4148 100644
--- a/src/qt/optionsmodel.h
+++ b/src/qt/optionsmodel.h
@@ -59,18 +59,18 @@ public:
     void setDisplayUnit(const QVariant &value);
 
     /* Explicit getters */
-    bool getHideTrayIcon() { return fHideTrayIcon; }
-    bool getMinimizeToTray() { return fMinimizeToTray; }
-    bool getMinimizeOnClose() { return fMinimizeOnClose; }
-    int getDisplayUnit() { return nDisplayUnit; }
-    QString getThirdPartyTxUrls() { return strThirdPartyTxUrls; }
+    bool getHideTrayIcon() const { return fHideTrayIcon; }
+    bool getMinimizeToTray() const { return fMinimizeToTray; }
+    bool getMinimizeOnClose() const { return fMinimizeOnClose; }
+    int getDisplayUnit() const { return nDisplayUnit; }
+    QString getThirdPartyTxUrls() const { return strThirdPartyTxUrls; }
     bool getProxySettings(QNetworkProxy& proxy) const;
-    bool getCoinControlFeatures() { return fCoinControlFeatures; }
+    bool getCoinControlFeatures() const { return fCoinControlFeatures; }
     const QString& getOverriddenByCommandLine() { return strOverriddenByCommandLine; }
 
     /* Restart flag helper */
     void setRestartRequired(bool fRequired);
-    bool isRestartRequired();
+    bool isRestartRequired() const;
 
 private:
     /* Qt-only settings */
diff --git a/src/qt/transactionrecord.cpp b/src/qt/transactionrecord.cpp
index 03fd734e92..0b5df8a67d 100644
--- a/src/qt/transactionrecord.cpp
+++ b/src/qt/transactionrecord.cpp
@@ -248,7 +248,7 @@ void TransactionRecord::updateStatus(const CWalletTx &wtx)
     status.needsUpdate = false;
 }
 
-bool TransactionRecord::statusUpdateNeeded()
+bool TransactionRecord::statusUpdateNeeded() const
 {
     AssertLockHeld(cs_main);
     return status.cur_num_blocks != chainActive.Height() || status.needsUpdate;
diff --git a/src/qt/transactionrecord.h b/src/qt/transactionrecord.h
index 59f681224f..a26e676142 100644
--- a/src/qt/transactionrecord.h
+++ b/src/qt/transactionrecord.h
@@ -140,7 +140,7 @@ public:
 
     /** Return whether a status update is needed.
      */
-    bool statusUpdateNeeded();
+    bool statusUpdateNeeded() const;
 };
 
 #endif // BITCOIN_QT_TRANSACTIONRECORD_H
diff --git a/src/qt/transactiontablemodel.h b/src/qt/transactiontablemodel.h
index 80aeb64c41..b1f81498b2 100644
--- a/src/qt/transactiontablemodel.h
+++ b/src/qt/transactiontablemodel.h
@@ -79,7 +79,7 @@ public:
     QVariant data(const QModelIndex &index, int role) const;
     QVariant headerData(int section, Qt::Orientation orientation, int role) const;
     QModelIndex index(int row, int column, const QModelIndex & parent = QModelIndex()) const;
-    bool processingQueuedTransactions() { return fProcessingQueuedTransactions; }
+    bool processingQueuedTransactions() const { return fProcessingQueuedTransactions; }
 
 private:
     CWallet* wallet;
diff --git a/src/qt/walletmodeltransaction.cpp b/src/qt/walletmodeltransaction.cpp
index 8bc9ef725e..eae2c27f8a 100644
--- a/src/qt/walletmodeltransaction.cpp
+++ b/src/qt/walletmodeltransaction.cpp
@@ -22,12 +22,12 @@ WalletModelTransaction::~WalletModelTransaction()
     delete walletTransaction;
 }
 
-QList<SendCoinsRecipient> WalletModelTransaction::getRecipients()
+QList<SendCoinsRecipient> WalletModelTransaction::getRecipients() const
 {
     return recipients;
 }
 
-CWalletTx *WalletModelTransaction::getTransaction()
+CWalletTx *WalletModelTransaction::getTransaction() const
 {
     return walletTransaction;
 }
@@ -37,7 +37,7 @@ unsigned int WalletModelTransaction::getTransactionSize()
     return (!walletTransaction ? 0 : ::GetVirtualTransactionSize(*walletTransaction));
 }
 
-CAmount WalletModelTransaction::getTransactionFee()
+CAmount WalletModelTransaction::getTransactionFee() const
 {
     return fee;
 }
@@ -79,7 +79,7 @@ void WalletModelTransaction::reassignAmounts(int nChangePosRet)
     }
 }
 
-CAmount WalletModelTransaction::getTotalTransactionAmount()
+CAmount WalletModelTransaction::getTotalTransactionAmount() const
 {
     CAmount totalTransactionAmount = 0;
     for (const SendCoinsRecipient &rcp : recipients)
diff --git a/src/qt/walletmodeltransaction.h b/src/qt/walletmodeltransaction.h
index 64922efada..d7ecd7aa8c 100644
--- a/src/qt/walletmodeltransaction.h
+++ b/src/qt/walletmodeltransaction.h
@@ -22,15 +22,15 @@ public:
     explicit WalletModelTransaction(const QList<SendCoinsRecipient> &recipients);
     ~WalletModelTransaction();
 
-    QList<SendCoinsRecipient> getRecipients();
+    QList<SendCoinsRecipient> getRecipients() const;
 
-    CWalletTx *getTransaction();
+    CWalletTx *getTransaction() const;
     unsigned int getTransactionSize();
 
     void setTransactionFee(const CAmount& newFee);
-    CAmount getTransactionFee();
+    CAmount getTransactionFee() const;
 
-    CAmount getTotalTransactionAmount();
+    CAmount getTotalTransactionAmount() const;
 
     void newPossibleKeyChange(CWallet *wallet);
     CReserveKey *getPossibleKeyChange();