From 6a506d5c37d1cb179b4e818dfbeaff5834420a33 Mon Sep 17 00:00:00 2001
From: ismaelsadeeq <ask4ismailsadiq@gmail.com>
Date: Mon, 28 Oct 2024 13:02:34 +0100
Subject: [PATCH] UniValue: add reserve member function

- Only reserve keys when the typ is of `VOBJ`.
---
 src/univalue/include/univalue.h | 2 ++
 src/univalue/lib/univalue.cpp   | 7 +++++++
 2 files changed, 9 insertions(+)

diff --git a/src/univalue/include/univalue.h b/src/univalue/include/univalue.h
index da121575554..0e5404eb1df 100644
--- a/src/univalue/include/univalue.h
+++ b/src/univalue/include/univalue.h
@@ -70,6 +70,8 @@ public:
 
     size_t size() const { return values.size(); }
 
+    void reserve(size_t new_cap);
+
     void getObjMap(std::map<std::string,UniValue>& kv) const;
     bool checkObject(const std::map<std::string,UniValue::VType>& memberTypes) const;
     const UniValue& operator[](const std::string& key) const;
diff --git a/src/univalue/lib/univalue.cpp b/src/univalue/lib/univalue.cpp
index 656d2e82030..4d37c81fe87 100644
--- a/src/univalue/lib/univalue.cpp
+++ b/src/univalue/lib/univalue.cpp
@@ -240,3 +240,10 @@ const UniValue& UniValue::find_value(std::string_view key) const
     return NullUniValue;
 }
 
+void UniValue::reserve(size_t new_cap)
+{
+    values.reserve(new_cap);
+    if (typ == VOBJ) {
+        keys.reserve(new_cap);
+    }
+}