1 files changed, 5 insertions, 2 deletions
diff --git a/src/qt/editaddressdialog.h b/src/qt/editaddressdialog.h
index 41c5d1708a..fd88b45793 100644
--- a/src/qt/editaddressdialog.h
+++ b/src/qt/editaddressdialog.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2011-2015 The Bitcoin Core developers
+// Copyright (c) 2011-2018 The Bitcoin Core developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
@@ -30,7 +30,7 @@ public:
         EditSendingAddress
     };
 
-    explicit EditAddressDialog(Mode mode, QWidget *parent);
+    explicit EditAddressDialog(Mode mode, QWidget *parent = 0);
     ~EditAddressDialog();
 
     void setModel(AddressTableModel *model);
@@ -45,6 +45,9 @@ public Q_SLOTS:
 private:
     bool saveCurrentRow();
 
+    /** Return a descriptive string when adding an already-existing address fails. */
+    QString getDuplicateAddressWarning() const;
+
     Ui::EditAddressDialog *ui;
     QDataWidgetMapper *mapper;
     Mode mode;