Improve cryptonote (block and tx) binary read performance

6 files changed, 82 insertions, 26 deletions

diff --git a/tests/core_tests/chaingen.h b/tests/core_tests/chaingen.h
index a5fd35028..af12b6006 100644
--- a/tests/core_tests/chaingen.h
+++ b/tests/core_tests/chaingen.h
@@ -648,11 +648,9 @@ public:
       bvc.m_verifivation_failed = true;
 
     cryptonote::block blk;
-    std::stringstream ss;
-    ss << sr_block.data;
-    binary_archive<false> ba(ss);
+    binary_archive<false> ba{epee::strspan<std::uint8_t>(sr_block.data)};
     ::serialization::serialize(ba, blk);
-    if (!ss.good())
+    if (!ba.good())
     {
       blk = cryptonote::block();
     }
@@ -671,11 +669,9 @@ public:
     bool tx_added = pool_size + 1 == m_c.get_pool_transactions_count();
 
     cryptonote::transaction tx;
-    std::stringstream ss;
-    ss << sr_tx.data;
-    binary_archive<false> ba(ss);
+    binary_archive<false> ba{epee::strspan<std::uint8_t>(sr_tx.data)};
     ::serialization::serialize(ba, tx);
-    if (!ss.good())
+    if (!ba.good())
     {
       tx = cryptonote::transaction();
     }
diff --git a/tests/fuzz/bulletproof.cpp b/tests/fuzz/bulletproof.cpp
index e0f183bc5..06416fe34 100644
--- a/tests/fuzz/bulletproof.cpp
+++ b/tests/fuzz/bulletproof.cpp
@@ -37,9 +37,7 @@ BEGIN_INIT_SIMPLE_FUZZER()
 END_INIT_SIMPLE_FUZZER()
 
 BEGIN_SIMPLE_FUZZER()
-  std::stringstream ss;
-  ss << std::string((const char*)buf, len);
-  binary_archive<false> ba(ss);
+  binary_archive<false> ba{{buf, len}};
   rct::Bulletproof proof = AUTO_VAL_INIT(proof);
   ::serialization::serialize(ba, proof);
 END_SIMPLE_FUZZER()
diff --git a/tests/fuzz/cold-outputs.cpp b/tests/fuzz/cold-outputs.cpp
index bd298eb71..69eb7b61f 100644
--- a/tests/fuzz/cold-outputs.cpp
+++ b/tests/fuzz/cold-outputs.cpp
@@ -50,11 +50,8 @@ BEGIN_INIT_SIMPLE_FUZZER()
 END_INIT_SIMPLE_FUZZER()
 
 BEGIN_SIMPLE_FUZZER()
-  std::string s((const char*)buf, len);
   std::pair<uint64_t, std::vector<tools::wallet2::transfer_details>> outputs;
-  std::stringstream iss;
-  iss << s;
-  binary_archive<false> ar(iss);
+  binary_archive<false> ar{{buf, len}};
   ::serialization::serialize(ar, outputs);
   size_t n_outputs = wallet->import_outputs(outputs);
   std::cout << boost::lexical_cast<std::string>(n_outputs) << " outputs imported" << std::endl;
diff --git a/tests/fuzz/cold-transaction.cpp b/tests/fuzz/cold-transaction.cpp
index 135343704..bf5fba1f7 100644
--- a/tests/fuzz/cold-transaction.cpp
+++ b/tests/fuzz/cold-transaction.cpp
@@ -50,11 +50,8 @@ BEGIN_INIT_SIMPLE_FUZZER()
 END_INIT_SIMPLE_FUZZER()
 
 BEGIN_SIMPLE_FUZZER()
-  std::string s((const char*)buf, len);
   tools::wallet2::unsigned_tx_set exported_txs;
-  std::stringstream iss;
-  iss << s;
-  binary_archive<false> ar(iss);
+  binary_archive<false> ar{{buf, len}};
   ::serialization::serialize(ar, exported_txs);
   std::vector<tools::wallet2::pending_tx> ptx;
   bool success = wallet->sign_tx(exported_txs, "/tmp/cold-transaction-test-signed", ptx);
diff --git a/tests/unit_tests/serialization.cpp b/tests/unit_tests/serialization.cpp
index 7b8a291d0..535752665 100644
--- a/tests/unit_tests/serialization.cpp
+++ b/tests/unit_tests/serialization.cpp
@@ -132,11 +132,10 @@ TEST(Serialization, BinaryArchiveInts) {
   ASSERT_EQ(8, oss.str().size());
   ASSERT_EQ(string("\0\0\0\0\xff\0\0\0", 8), oss.str());
 
-  istringstream iss(oss.str());
-  binary_archive<false> iar(iss);
+  binary_archive<false> iar{epee::strspan<std::uint8_t>(oss.str())};
   iar.serialize_int(x1);
-  ASSERT_EQ(8, iss.tellg());
-  ASSERT_TRUE(iss.good());
+  ASSERT_EQ(8, iar.getpos());
+  ASSERT_TRUE(iar.good());
 
   ASSERT_EQ(x, x1);
 }
@@ -151,10 +150,9 @@ TEST(Serialization, BinaryArchiveVarInts) {
   ASSERT_EQ(6, oss.str().size());
   ASSERT_EQ(string("\x80\x80\x80\x80\xF0\x1F", 6), oss.str());
 
-  istringstream iss(oss.str());
-  binary_archive<false> iar(iss);
+  binary_archive<false> iar{epee::strspan<std::uint8_t>(oss.str())};
   iar.serialize_varint(x1);
-  ASSERT_TRUE(iss.good());
+  ASSERT_TRUE(iar.good());
   ASSERT_EQ(x, x1);
 }
 
diff --git a/tests/unit_tests/test_tx_utils.cpp b/tests/unit_tests/test_tx_utils.cpp
index 9425e2432..0d0dc8819 100644
--- a/tests/unit_tests/test_tx_utils.cpp
+++ b/tests/unit_tests/test_tx_utils.cpp
@@ -287,3 +287,73 @@ TEST(sort_tx_extra, invalid_suffix_partial)
   std::vector<uint8_t> expected(&expected_arr[0], &expected_arr[0] + sizeof(expected_arr));
   ASSERT_EQ(sorted, expected);
 }
+
+TEST(remove_field_from_tx_extra, remove_first)
+{
+  const uint8_t extra_arr[] = {1, 30, 208, 98, 162, 133, 64, 85, 83, 112, 91, 188, 89, 211, 24, 131, 39, 154, 22, 228,
+    80, 63, 198, 141, 173, 111, 244, 183, 4, 149, 186, 140, 230, 2, 1, 42};
+  std::vector<uint8_t> extra(&extra_arr[0], &extra_arr[0] + sizeof(extra_arr));
+
+  std::vector<cryptonote::tx_extra_field> tx_extra_fields;
+  ASSERT_TRUE(cryptonote::parse_tx_extra(extra, tx_extra_fields));
+  ASSERT_EQ(2, tx_extra_fields.size());
+  ASSERT_EQ(typeid(cryptonote::tx_extra_pub_key), tx_extra_fields[0].type());
+  ASSERT_EQ(typeid(cryptonote::tx_extra_nonce), tx_extra_fields[1].type());
+
+  tx_extra_fields.clear();
+  ASSERT_TRUE(cryptonote::remove_field_from_tx_extra(extra, typeid(cryptonote::tx_extra_pub_key)));
+  ASSERT_TRUE(cryptonote::parse_tx_extra(extra, tx_extra_fields));
+  ASSERT_EQ(1, tx_extra_fields.size());
+  ASSERT_EQ(typeid(cryptonote::tx_extra_nonce), tx_extra_fields[0].type());
+}
+
+TEST(remove_field_from_tx_extra, remove_last)
+{
+  const uint8_t extra_arr[] = {1, 30, 208, 98, 162, 133, 64, 85, 83, 112, 91, 188, 89, 211, 24, 131, 39, 154, 22, 228,
+    80, 63, 198, 141, 173, 111, 244, 183, 4, 149, 186, 140, 230, 2, 1, 42};
+  std::vector<uint8_t> extra(&extra_arr[0], &extra_arr[0] + sizeof(extra_arr));
+
+  std::vector<cryptonote::tx_extra_field> tx_extra_fields;
+  ASSERT_TRUE(cryptonote::parse_tx_extra(extra, tx_extra_fields));
+  ASSERT_EQ(2, tx_extra_fields.size());
+  ASSERT_EQ(typeid(cryptonote::tx_extra_pub_key), tx_extra_fields[0].type());
+  ASSERT_EQ(typeid(cryptonote::tx_extra_nonce), tx_extra_fields[1].type());
+
+  tx_extra_fields.clear();
+  ASSERT_TRUE(cryptonote::remove_field_from_tx_extra(extra, typeid(cryptonote::tx_extra_nonce)));
+  ASSERT_TRUE(cryptonote::parse_tx_extra(extra, tx_extra_fields));
+  ASSERT_EQ(1, tx_extra_fields.size());
+  ASSERT_EQ(typeid(cryptonote::tx_extra_pub_key), tx_extra_fields[0].type());
+}
+
+TEST(remove_field_from_tx_extra, remove_middle)
+{
+  const uint8_t extra_arr[] = {1, 30, 208, 98, 162, 133, 64, 85, 83, 112, 91, 188, 89, 211, 24, 131, 39, 154, 22, 228,
+    80, 63, 198, 141, 173, 111, 244, 183, 4, 149, 186, 140, 230, 2, 1, 42, 1, 30, 208, 98, 162, 133, 64, 85, 83, 112,
+    91, 188, 89, 211, 24, 131, 39, 154, 22, 228, 80, 63, 198, 141, 173, 111, 244, 183, 4, 149, 186, 140, 230};
+  std::vector<uint8_t> extra(&extra_arr[0], &extra_arr[0] + sizeof(extra_arr));
+
+  std::vector<cryptonote::tx_extra_field> tx_extra_fields;
+  ASSERT_TRUE(cryptonote::parse_tx_extra(extra, tx_extra_fields));
+  ASSERT_EQ(3, tx_extra_fields.size());
+  ASSERT_EQ(typeid(cryptonote::tx_extra_pub_key), tx_extra_fields[0].type());
+  ASSERT_EQ(typeid(cryptonote::tx_extra_nonce), tx_extra_fields[1].type());
+  ASSERT_EQ(typeid(cryptonote::tx_extra_pub_key), tx_extra_fields[2].type());
+
+  tx_extra_fields.clear();
+  ASSERT_TRUE(cryptonote::remove_field_from_tx_extra(extra, typeid(cryptonote::tx_extra_nonce)));
+  ASSERT_TRUE(cryptonote::parse_tx_extra(extra, tx_extra_fields));
+  ASSERT_EQ(2, tx_extra_fields.size());
+  ASSERT_EQ(typeid(cryptonote::tx_extra_pub_key), tx_extra_fields[0].type());
+  ASSERT_EQ(typeid(cryptonote::tx_extra_pub_key), tx_extra_fields[0].type());
+}
+
+TEST(remove_field_from_tx_extra, invalid_varint)
+{
+  const uint8_t extra_arr[] = {1, 30, 208, 98, 162, 133, 64, 85, 83, 112, 91, 188, 89, 211, 24, 131, 39, 154, 22, 228,
+                               80, 63, 198, 141, 173, 111, 244, 183, 4, 149, 186, 140, 230, 2, 0x80, 0};
+  std::vector<uint8_t> extra(&extra_arr[0], &extra_arr[0] + sizeof(extra_arr));
+
+  ASSERT_FALSE(cryptonote::remove_field_from_tx_extra(extra, typeid(cryptonote::tx_extra_nonce)));
+  ASSERT_EQ(sizeof(extra_arr), extra.size());
+}