Merge pull request #7661

08e4497 Improve cryptonote (block and tx) binary read performance (Lee Clagett)

1 files changed, 1 insertions, 3 deletions

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");