From 08e4497c6e3b3f434c0bb255c3942648f153fe66 Mon Sep 17 00:00:00 2001
From: Lee Clagett <code@leeclagett.com>
Date: Sun, 24 Jan 2021 07:42:57 +0000
Subject: Improve cryptonote (block and tx) binary read performance

---
 src/blockchain_utilities/blockchain_blackball.cpp | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

(limited to 'src/blockchain_utilities/blockchain_blackball.cpp')

diff --git a/src/blockchain_utilities/blockchain_blackball.cpp b/src/blockchain_utilities/blockchain_blackball.cpp
index 18a37434c..d53251fd3 100644
--- a/src/blockchain_utilities/blockchain_blackball.cpp
+++ b/src/blockchain_utilities/blockchain_blackball.cpp
@@ -388,9 +388,7 @@ static bool for_all_transactions(const std::string &filename, uint64_t &start_id
     cryptonote::transaction_prefix tx;
     blobdata bd;
     bd.assign(reinterpret_cast<char*>(v.mv_data), v.mv_size);
-    std::stringstream ss;
-    ss << bd;
-    binary_archive<false> ba(ss);
+    binary_archive<false> ba{epee::strspan<std::uint8_t>(bd)};
     bool r = do_serialize(ba, tx);
     CHECK_AND_ASSERT_MES(r, false, "Failed to parse transaction from blob");
 
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