remove NotifyWatchonlyChanged

The signal is never called.

src/interfaces/wallet.h

@@ -303,10 +303,6 @@ public:
     using TransactionChangedFn = std::function<void(const uint256& txid, ChangeType status)>;
     virtual std::unique_ptr<Handler> handleTransactionChanged(TransactionChangedFn fn) = 0;
 
-    //! Register handler for watchonly changed messages.
-    using WatchOnlyChangedFn = std::function<void(bool have_watch_only)>;
-    virtual std::unique_ptr<Handler> handleWatchOnlyChanged(WatchOnlyChangedFn fn) = 0;
-
     //! Register handler for keypool changed messages.
     using CanGetAddressesChangedFn = std::function<void()>;
     virtual std::unique_ptr<Handler> handleCanGetAddressesChanged(CanGetAddressesChangedFn fn) = 0;

src/qt/transactionview.cpp

@@ -243,9 +243,6 @@ void TransactionView::setModel(WalletModel *_model)
 
         // hide column Watch-only
         updateWatchOnlyColumn(false);
-
-        // Watch-only signal
-        connect(_model, &WalletModel::notifyWatchonlyChanged, this, &TransactionView::updateWatchOnlyColumn);
     }
 }
 

src/qt/walletmodel.cpp

@@ -45,7 +45,6 @@ WalletModel::WalletModel(std::unique_ptr<interfaces::Wallet> wallet, ClientModel
     optionsModel(client_model.getOptionsModel()),
     timer(new QTimer(this))
 {
-    fHaveWatchOnly = false;
     addressTableModel = new AddressTableModel(this);
     transactionTableModel = new TransactionTableModel(platformStyle, this);
     recentRequestsTableModel = new RecentRequestsTableModel(this);
@@ -141,12 +140,6 @@ void WalletModel::updateAddressBook(const QString &address, const QString &label
         addressTableModel->updateEntry(address, label, isMine, purpose, status);
 }
 
-void WalletModel::updateWatchOnlyFlag(bool fHaveWatchonly)
-{
-    fHaveWatchOnly = fHaveWatchonly;
-    Q_EMIT notifyWatchonlyChanged(fHaveWatchonly);
-}
-
 bool WalletModel::validateAddress(const QString& address) const
 {
     return IsValidDestinationString(address.toStdString());
@@ -405,13 +398,6 @@ static void ShowProgress(WalletModel *walletmodel, const std::string &title, int
     assert(invoked);
 }
 
-static void NotifyWatchonlyChanged(WalletModel *walletmodel, bool fHaveWatchonly)
-{
-    bool invoked = QMetaObject::invokeMethod(walletmodel, "updateWatchOnlyFlag", Qt::QueuedConnection,
-                              Q_ARG(bool, fHaveWatchonly));
-    assert(invoked);
-}
-
 static void NotifyCanGetAddressesChanged(WalletModel* walletmodel)
 {
     bool invoked = QMetaObject::invokeMethod(walletmodel, "canGetAddressesChanged");
@@ -426,7 +412,6 @@ void WalletModel::subscribeToCoreSignals()
     m_handler_address_book_changed = m_wallet->handleAddressBookChanged(std::bind(NotifyAddressBookChanged, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3, std::placeholders::_4, std::placeholders::_5));
     m_handler_transaction_changed = m_wallet->handleTransactionChanged(std::bind(NotifyTransactionChanged, this, std::placeholders::_1, std::placeholders::_2));
     m_handler_show_progress = m_wallet->handleShowProgress(std::bind(ShowProgress, this, std::placeholders::_1, std::placeholders::_2));
-    m_handler_watch_only_changed = m_wallet->handleWatchOnlyChanged(std::bind(NotifyWatchonlyChanged, this, std::placeholders::_1));
     m_handler_can_get_addrs_changed = m_wallet->handleCanGetAddressesChanged(std::bind(NotifyCanGetAddressesChanged, this));
 }
 
@@ -438,7 +423,6 @@ void WalletModel::unsubscribeFromCoreSignals()
     m_handler_address_book_changed->disconnect();
     m_handler_transaction_changed->disconnect();
     m_handler_show_progress->disconnect();
-    m_handler_watch_only_changed->disconnect();
     m_handler_can_get_addrs_changed->disconnect();
 }
 

src/qt/walletmodel.h

@@ -162,12 +162,10 @@ private:
     std::unique_ptr<interfaces::Handler> m_handler_address_book_changed;
     std::unique_ptr<interfaces::Handler> m_handler_transaction_changed;
     std::unique_ptr<interfaces::Handler> m_handler_show_progress;
-    std::unique_ptr<interfaces::Handler> m_handler_watch_only_changed;
     std::unique_ptr<interfaces::Handler> m_handler_can_get_addrs_changed;
     ClientModel* m_client_model;
     interfaces::Node& m_node;
 
-    bool fHaveWatchOnly;
     bool fForceCheckBalanceChanged{false};
 
     // Wallet has an options model for wallet-specific options
@@ -211,9 +209,6 @@ Q_SIGNALS:
     // Show progress dialog e.g. for rescan
     void showProgress(const QString &title, int nProgress);
 
-    // Watch-only address added
-    void notifyWatchonlyChanged(bool fHaveWatchonly);
-
     // Signal that wallet is about to be removed
     void unload();
 
@@ -232,8 +227,6 @@ public Q_SLOTS:
     void updateTransaction();
     /* New, updated or removed address book entry */
     void updateAddressBook(const QString &address, const QString &label, bool isMine, wallet::AddressPurpose purpose, int status);
-    /* Watch-only added */
-    void updateWatchOnlyFlag(bool fHaveWatchonly);
     /* Current, immature or unconfirmed balance might have changed - emit 'balanceChanged' if so */
     void pollBalanceChanged();
 };

src/wallet/interfaces.cpp

@@ -535,10 +535,6 @@ public:
         return MakeSignalHandler(m_wallet->NotifyTransactionChanged.connect(
             [fn](const uint256& txid, ChangeType status) { fn(txid, status); }));
     }
-    std::unique_ptr<Handler> handleWatchOnlyChanged(WatchOnlyChangedFn fn) override
-    {
-        return MakeSignalHandler(m_wallet->NotifyWatchonlyChanged.connect(fn));
-    }
     std::unique_ptr<Handler> handleCanGetAddressesChanged(CanGetAddressesChangedFn fn) override
     {
         return MakeSignalHandler(m_wallet->NotifyCanGetAddressesChanged.connect(fn));

src/wallet/scriptpubkeyman.h

@@ -167,9 +167,6 @@ public:
         LogInfo("%s %s", m_storage.GetDisplayName(), tfm::format(wallet_fmt, params...));
     };
 
-    /** Watch-only address added */
-    boost::signals2::signal<void (bool fHaveWatchOnly)> NotifyWatchonlyChanged;
-
     /** Keypool has new keys */
     boost::signals2::signal<void ()> NotifyCanGetAddressesChanged;
 

src/wallet/wallet.cpp

@@ -3518,7 +3518,6 @@ bool CWallet::HaveCryptedKeys() const
 void CWallet::ConnectScriptPubKeyManNotifiers()
 {
     for (const auto& spk_man : GetActiveScriptPubKeyMans()) {
-        spk_man->NotifyWatchonlyChanged.connect(NotifyWatchonlyChanged);
         spk_man->NotifyCanGetAddressesChanged.connect(NotifyCanGetAddressesChanged);
         spk_man->NotifyFirstKeyTimeChanged.connect(std::bind(&CWallet::MaybeUpdateBirthTime, this, std::placeholders::_2));
     }

src/wallet/wallet.h

@@ -842,9 +842,6 @@ public:
     /** Show progress e.g. for rescan */
     boost::signals2::signal<void (const std::string &title, int nProgress)> ShowProgress;
 
-    /** Watch-only address added */
-    boost::signals2::signal<void (bool fHaveWatchOnly)> NotifyWatchonlyChanged;
-
     /** Keypool has new keys */
     boost::signals2::signal<void ()> NotifyCanGetAddressesChanged;