qt: Add privacy feature to Overview page

src/qt/overviewpage.h

@@ -39,6 +39,7 @@ public:
 
 public Q_SLOTS:
     void setBalance(const interfaces::WalletBalances& balances);
+    void setPrivacy(bool privacy);
 
 Q_SIGNALS:
     void transactionClicked(const QModelIndex &index);
@@ -49,6 +50,7 @@ private:
     ClientModel *clientModel;
     WalletModel *walletModel;
     interfaces::WalletBalances m_balances;
+    bool m_privacy{false};
 
     TxViewDelegate *txdelegate;
     std::unique_ptr<TransactionFilterProxy> filter;