Declare headers height/time cache mutable, re-set the methods const

1 files changed, 4 insertions, 4 deletions

diff --git a/src/qt/clientmodel.h b/src/qt/clientmodel.h
index 6f7077dad6..0e6b34fbfd 100644
--- a/src/qt/clientmodel.h
+++ b/src/qt/clientmodel.h
@@ -51,8 +51,8 @@ public:
     //! Return number of connections, default is in- and outbound (total)
     int getNumConnections(unsigned int flags = CONNECTIONS_ALL) const;
     int getNumBlocks() const;
-    int getHeaderTipHeight();
-    int64_t getHeaderTipTime();
+    int getHeaderTipHeight() const;
+    int64_t getHeaderTipTime() const;
     //! Return number of transactions in the mempool
     long getMempoolSize() const;
     //! Return the dynamic memory usage of the mempool
@@ -82,8 +82,8 @@ public:
     QString dataDir() const;
 
     // caches for the best header
-    std::atomic<int> cachedBestHeaderHeight;
-    std::atomic<int64_t> cachedBestHeaderTime;
+    mutable std::atomic<int> cachedBestHeaderHeight;
+    mutable std::atomic<int64_t> cachedBestHeaderTime;
 
 private:
     OptionsModel *optionsModel;