2 files changed, 17 insertions, 0 deletions
diff --git a/src/interfaces/chain.cpp b/src/interfaces/chain.cpp
index d7bad0543..c12215cd6 100644
--- a/src/interfaces/chain.cpp
+++ b/src/interfaces/chain.cpp
@@ -200,6 +200,20 @@ public:
     {
         ::mempool.GetTransactionAncestry(txid, ancestors, descendants);
     }
+    bool checkChainLimits(CTransactionRef tx) override
+    {
+        LockPoints lp;
+        CTxMemPoolEntry entry(tx, 0, 0, 0, false, 0, lp);
+        CTxMemPool::setEntries ancestors;
+        auto limit_ancestor_count = gArgs.GetArg("-limitancestorcount", DEFAULT_ANCESTOR_LIMIT);
+        auto limit_ancestor_size = gArgs.GetArg("-limitancestorsize", DEFAULT_ANCESTOR_SIZE_LIMIT) * 1000;
+        auto limit_descendant_count = gArgs.GetArg("-limitdescendantcount", DEFAULT_DESCENDANT_LIMIT);
+        auto limit_descendant_size = gArgs.GetArg("-limitdescendantsize", DEFAULT_DESCENDANT_SIZE_LIMIT) * 1000;
+        std::string unused_error_string;
+        LOCK(::mempool.cs);
+        return ::mempool.CalculateMemPoolAncestors(entry, ancestors, limit_ancestor_count, limit_ancestor_size,
+            limit_descendant_count, limit_descendant_size, unused_error_string);
+    }
 };
 
 } // namespace
diff --git a/src/interfaces/chain.h b/src/interfaces/chain.h
index 33bbfefd9..2e0328eb2 100644
--- a/src/interfaces/chain.h
+++ b/src/interfaces/chain.h
@@ -142,6 +142,9 @@ public:
 
     //! Calculate mempool ancestor and descendant counts for the given transaction.
     virtual void getTransactionAncestry(const uint256& txid, size_t& ancestors, size_t& descendants) = 0;
+
+    //! Check chain limits.
+    virtual bool checkChainLimits(CTransactionRef tx) = 0;
 };
 
 //! Interface to let node manage chain clients (wallets, or maybe tools for