fix: ASAN issue with AmendmentBlockHandler test (#2674)

Co-authored-by: Ayaz Salikhov <mathbunnyru@users.noreply.github.com>

src/etlng/AmendmentBlockHandlerInterface.hpp

@@ -32,6 +32,12 @@ struct AmendmentBlockHandlerInterface {
      */
     virtual void
     notifyAmendmentBlocked() = 0;
+
+    /**
+     * @brief Stop the block handler from repeatedly executing
+     */
+    virtual void
+    stop() = 0;
 };
 
 }  // namespace etlng

src/etlng/impl/AmendmentBlockHandler.cpp

@@ -25,6 +25,7 @@
 
 #include <chrono>
 #include <functional>
+#include <optional>
 #include <utility>
 
 namespace etlng::impl {
@@ -45,6 +46,11 @@ AmendmentBlockHandler::AmendmentBlockHandler(
 {
 }
 
+AmendmentBlockHandler::~AmendmentBlockHandler()
+{
+    stop();
+}
+
 void
 AmendmentBlockHandler::notifyAmendmentBlocked()
 {
@@ -53,4 +59,13 @@ AmendmentBlockHandler::notifyAmendmentBlocked()
         operation_.emplace(ctx_.executeRepeatedly(interval_, action_));
 }
 
+void
+AmendmentBlockHandler::stop()
+{
+    if (operation_.has_value()) {
+        operation_->abort();
+        operation_.reset();
+    }
+}
+
 }  // namespace etlng::impl

src/etlng/impl/AmendmentBlockHandler.hpp

@@ -56,11 +56,10 @@ public:
         ActionType action = kDEFAULT_AMENDMENT_BLOCK_ACTION
     );
 
-    ~AmendmentBlockHandler() override
-    {
-        if (operation_.has_value())
-            operation_.value().abort();
-    }
+    ~AmendmentBlockHandler() override;
+
+    void
+    stop() override;
 
     void
     notifyAmendmentBlocked() override;