From fedd925c1cc7d214b8c4bdcf87cbd905fc675e2c Mon Sep 17 00:00:00 2001
From: Eric Voskuil <eric@voskuil.org>
Date: Mon, 14 Sep 2026 15:51:47 -0400
Subject: [PATCH] Reserve the spenders history vector instead of sizing it.

---
 .../bitcoin/database/impl/query/address/address_history.ipp    | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/bitcoin/database/impl/query/address/address_history.ipp b/include/bitcoin/database/impl/query/address/address_history.ipp
index ccb515baf..aead4f595 100644
--- a/include/bitcoin/database/impl/query/address/address_history.ipp
+++ b/include/bitcoin/database/impl/query/address/address_history.ipp
@@ -229,7 +229,8 @@ histories CLASS::get_spenders_history(
     const system::chain::point& prevout) const NOEXCEPT
 {
     const auto ins = to_spenders(prevout);
-    histories out(ins.size());
+    histories out{};
+    out.reserve(ins.size());
     for (const auto& in: std::views::reverse(ins))
         out.push_back(get_tx_history(to_input_tx(in)));