Comments, style.

include/bitcoin/node/impl/chasers/chaser_organize.ipp

@@ -643,7 +643,18 @@ database::header_link CLASS::push(const Block& block,
         context.median_time_past,
     });
 
-    return query.push_candidate(link) ? link : database::header_link{};
+    // TODO: differentiate for headers/blocks, handle malleable.
+    // TODO: create additional header states for this: set_block_checkpoint and
+    // TODO: set_block_milestone. Both can return bypass and therefore require
+    // TODO: mutability checks, and there is no other issue (set_block_bypass).
+    ////if (is_bypassed(context.height) &&
+    ////    !query.set_block_confirmable(link, uint64_t{}))
+    ////    return {};
+
+    if (!query.push_candidate(link))
+        return {};
+
+    return link;
 }
 
 TEMPLATE