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/wallet/message_store.cpp | 16 ++++------------
 1 file changed, 4 insertions(+), 12 deletions(-)

(limited to 'src/wallet/message_store.cpp')

diff --git a/src/wallet/message_store.cpp b/src/wallet/message_store.cpp
index b7b29420b..34b4f440b 100644
--- a/src/wallet/message_store.cpp
+++ b/src/wallet/message_store.cpp
@@ -193,9 +193,7 @@ void message_store::unpack_signer_config(const multisig_wallet_state &state, con
 {
   try
   {
-    std::stringstream iss;
-    iss << signer_config;
-    binary_archive<false> ar(iss);
+    binary_archive<false> ar{epee::strspan<std::uint8_t>(signer_config)};
     THROW_WALLET_EXCEPTION_IF(!::serialization::serialize(ar, signers), tools::error::wallet_internal_error, "Failed to serialize signer config");
   }
   catch (...)
@@ -383,9 +381,7 @@ void message_store::process_auto_config_data_message(uint32_t id)
   auto_config_data data;
   try
   {
-    std::stringstream iss;
-    iss << m.content;
-    binary_archive<false> ar(iss);
+    binary_archive<false> ar{epee::strspan<std::uint8_t>(m.content)};
     THROW_WALLET_EXCEPTION_IF(!::serialization::serialize(ar, data), tools::error::wallet_internal_error, "Failed to serialize auto config data");
   }
   catch (...)
@@ -790,9 +786,7 @@ void message_store::read_from_file(const multisig_wallet_state &state, const std
   file_data read_file_data;
   try
   {
-    std::stringstream iss;
-    iss << buf;
-    binary_archive<false> ar(iss);
+    binary_archive<false> ar{epee::strspan<std::uint8_t>(buf)};
     if (::serialization::serialize(ar, read_file_data))
       if (::serialization::check_stream_state(ar))
         loaded = true;
@@ -829,9 +823,7 @@ void message_store::read_from_file(const multisig_wallet_state &state, const std
   loaded = false;
   try
   {
-    std::stringstream iss;
-    iss << decrypted_data;
-    binary_archive<false> ar(iss);
+    binary_archive<false> ar{epee::strspan<std::uint8_t>(decrypted_data)};
     if (::serialization::serialize(ar, *this))
       if (::serialization::check_stream_state(ar))
         loaded = true;
-- 
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