1 files changed, 5 insertions, 4 deletions
diff --git a/src/interfaces/node.h b/src/interfaces/node.h
index db9b42b293..45b0e18fae 100644
--- a/src/interfaces/node.h
+++ b/src/interfaces/node.h
@@ -27,6 +27,7 @@ class Coin;
 class RPCTimerInterface;
 class UniValue;
 class proxyType;
+enum class SynchronizationState;
 enum class WalletCreationStatus;
 struct CNodeStateStats;
 struct NodeContext;
@@ -213,11 +214,11 @@ public:
 
     //! Register handler for message box messages.
     using MessageBoxFn =
-        std::function<bool(const std::string& message, const std::string& caption, unsigned int style)>;
+        std::function<bool(const bilingual_str& message, const std::string& caption, unsigned int style)>;
     virtual std::unique_ptr<Handler> handleMessageBox(MessageBoxFn fn) = 0;
 
     //! Register handler for question messages.
-    using QuestionFn = std::function<bool(const std::string& message,
+    using QuestionFn = std::function<bool(const bilingual_str& message,
         const std::string& non_interactive_message,
         const std::string& caption,
         unsigned int style)>;
@@ -249,12 +250,12 @@ public:
 
     //! Register handler for block tip messages.
     using NotifyBlockTipFn =
-        std::function<void(bool initial_download, int height, int64_t block_time, double verification_progress)>;
+        std::function<void(SynchronizationState, int height, int64_t block_time, double verification_progress)>;
     virtual std::unique_ptr<Handler> handleNotifyBlockTip(NotifyBlockTipFn fn) = 0;
 
     //! Register handler for header tip messages.
     using NotifyHeaderTipFn =
-        std::function<void(bool initial_download, int height, int64_t block_time, double verification_progress)>;
+        std::function<void(SynchronizationState, int height, int64_t block_time, double verification_progress)>;
     virtual std::unique_ptr<Handler> handleNotifyHeaderTip(NotifyHeaderTipFn fn) = 0;
 
     //! Return pointer to internal chain interface, useful for testing.