1 files changed, 21 insertions, 0 deletions
diff --git a/src/test/fuzz/util/descriptor.h b/src/test/fuzz/util/descriptor.h
index cd41dbafa3..ea928c39f0 100644
--- a/src/test/fuzz/util/descriptor.h
+++ b/src/test/fuzz/util/descriptor.h
@@ -55,4 +55,25 @@ constexpr int MAX_DEPTH{2};
  */
 bool HasDeepDerivPath(const FuzzBufferType& buff, const int max_depth = MAX_DEPTH);
 
+//! Default maximum number of sub-fragments.
+constexpr int MAX_SUBS{1'000};
+//! Maximum number of nested sub-fragments we'll allow in a descriptor.
+constexpr size_t MAX_NESTED_SUBS{10'000};
+
+/**
+ * Whether the buffer, if it represents a valid descriptor, contains a fragment with more
+ * sub-fragments than the given maximum.
+ */
+bool HasTooManySubFrag(const FuzzBufferType& buff, const int max_subs = MAX_SUBS,
+                       const size_t max_nested_subs = MAX_NESTED_SUBS);
+
+//! Default maximum number of wrappers per fragment.
+constexpr int MAX_WRAPPERS{100};
+
+/**
+ * Whether the buffer, if it represents a valid descriptor, contains a fragment with more
+ * wrappers than the given maximum.
+ */
+bool HasTooManyWrappers(const FuzzBufferType& buff, const int max_wrappers = MAX_WRAPPERS);
+
 #endif // BITCOIN_TEST_FUZZ_UTIL_DESCRIPTOR_H