Add new (unused) limits for cluster size/count

src/kernel/mempool_limits.h

@@ -16,6 +16,10 @@ namespace kernel {
  * Most of the time, this struct should be referenced as CTxMemPool::Limits.
  */
 struct MemPoolLimits {
+    //! The maximum number of transactions in a cluster
+    unsigned cluster_count{DEFAULT_CLUSTER_LIMIT};
+    //! The maximum allowed size in virtual bytes of a cluster.
+    int64_t cluster_size_vbytes{DEFAULT_CLUSTER_SIZE_LIMIT_KVB * 1'000};
     //! The maximum allowed number of transactions in a package including the entry and its ancestors.
     int64_t ancestor_count{DEFAULT_ANCESTOR_LIMIT};
     //! The maximum allowed size in virtual bytes of an entry and its ancestors within a package.
@@ -31,7 +35,7 @@ struct MemPoolLimits {
     static constexpr MemPoolLimits NoLimits()
     {
         int64_t no_limit{std::numeric_limits<int64_t>::max()};
-        return {no_limit, no_limit, no_limit, no_limit};
+        return {std::numeric_limits<unsigned>::max(), no_limit, no_limit, no_limit, no_limit, no_limit};
     }
 };
 } // namespace kernel