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-rw-r--r--src/txmempool.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/src/txmempool.h b/src/txmempool.h
index 71345ffb5d..0a84a6e6b1 100644
--- a/src/txmempool.h
+++ b/src/txmempool.h
@@ -18,6 +18,7 @@
#include <coins.h>
#include <indirectmap.h>
#include <policy/feerate.h>
+#include <policy/packages.h>
#include <primitives/transaction.h>
#include <random.h>
#include <sync.h>
@@ -700,6 +701,28 @@ public:
*/
bool CalculateMemPoolAncestors(const CTxMemPoolEntry& entry, setEntries& setAncestors, uint64_t limitAncestorCount, uint64_t limitAncestorSize, uint64_t limitDescendantCount, uint64_t limitDescendantSize, std::string& errString, bool fSearchForParents = true) const EXCLUSIVE_LOCKS_REQUIRED(cs);
+ /** Calculate all in-mempool ancestors of a set of transactions not already in the mempool and
+ * check ancestor and descendant limits. Heuristics are used to estimate the ancestor and
+ * descendant count of all entries if the package were to be added to the mempool. The limits
+ * are applied to the union of all package transactions. For example, if the package has 3
+ * transactions and limitAncestorCount = 25, the union of all 3 sets of ancestors (including the
+ * transactions themselves) must be <= 22.
+ * @param[in] package Transaction package being evaluated for acceptance
+ * to mempool. The transactions need not be direct
+ * ancestors/descendants of each other.
+ * @param[in] limitAncestorCount Max number of txns including ancestors.
+ * @param[in] limitAncestorSize Max virtual size including ancestors.
+ * @param[in] limitDescendantCount Max number of txns including descendants.
+ * @param[in] limitDescendantSize Max virtual size including descendants.
+ * @param[out] errString Populated with error reason if a limit is hit.
+ */
+ bool CheckPackageLimits(const Package& package,
+ uint64_t limitAncestorCount,
+ uint64_t limitAncestorSize,
+ uint64_t limitDescendantCount,
+ uint64_t limitDescendantSize,
+ std::string &errString) const EXCLUSIVE_LOCKS_REQUIRED(cs);
+
/** Populate setDescendants with all in-mempool descendants of hash.
* Assumes that setDescendants includes all in-mempool descendants of anything
* already in it. */