seraphis_main: add validation helpers for legacy txs

.gitmodules

@@ -14,3 +14,6 @@
 	path = external/supercop
 	url = https://github.com/monero-project/supercop
 	branch = monero
+[submodule "external/mx25519"]
+	path = external/mx25519
+	url = https://github.com/tevador/mx25519

CMakeLists.txt

@@ -372,6 +372,7 @@ if(NOT MANUAL_SUBMODULES)
     check_submodule(external/trezor-common)
     check_submodule(external/randomx)
     check_submodule(external/supercop)
+    check_submodule(external/mx25519)
   endif()
 endif()
 
@@ -458,7 +459,7 @@ elseif(CMAKE_SYSTEM_NAME MATCHES ".*BSDI.*")
   set(BSDI TRUE)
 endif()
 
-include_directories(external/rapidjson/include external/easylogging++ src contrib/epee/include external external/supercop/include)
+include_directories(external/rapidjson/include external/easylogging++ src contrib/epee/include external external/supercop/include external/mx25519/include)
 
 if(APPLE)
   cmake_policy(SET CMP0042 NEW)

external/CMakeLists.txt

@@ -70,3 +70,4 @@ add_subdirectory(db_drivers)
 add_subdirectory(easylogging++)
 add_subdirectory(qrcodegen)
 add_subdirectory(randomx EXCLUDE_FROM_ALL)
+add_subdirectory(mx25519)

src/CMakeLists.txt

@@ -83,6 +83,7 @@ endfunction ()
 include(Version)
 monero_add_library(version SOURCES ${CMAKE_BINARY_DIR}/version.cpp DEPENDS genversion)
 
+add_subdirectory(async)
 add_subdirectory(common)
 add_subdirectory(crypto)
 add_subdirectory(ringct)
@@ -96,7 +97,11 @@ add_subdirectory(hardforks)
 add_subdirectory(blockchain_db)
 add_subdirectory(mnemonics)
 add_subdirectory(rpc)
+add_subdirectory(seraphis_core)
 add_subdirectory(seraphis_crypto)
+add_subdirectory(seraphis_impl)
+add_subdirectory(seraphis_main)
+add_subdirectory(seraphis_mocks)
 if(NOT IOS)
   add_subdirectory(serialization)
 endif()

src/async/CMakeLists.txt

@@ -0,0 +1,51 @@
+# Copyright (c) 2021, The Monero Project
+#
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification, are
+# permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this list of
+#    conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice, this list
+#    of conditions and the following disclaimer in the documentation and/or other
+#    materials provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its contributors may be
+#    used to endorse or promote products derived from this software without specific
+#    prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+# THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+# THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+set(async_sources
+  sleepy_task_queue.cpp
+  task_types.cpp
+  threadpool.cpp
+  waiter_manager.cpp)
+
+monero_find_all_headers(async_headers, "${CMAKE_CURRENT_SOURCE_DIR}")
+
+monero_add_library(async
+  ${async_sources}
+  ${async_headers})
+
+target_link_libraries(async
+  PUBLIC
+    common
+  PRIVATE
+    ${EXTRA_LIBRARIES})
+
+target_include_directories(async
+  PUBLIC
+    "${CMAKE_CURRENT_SOURCE_DIR}"
+  PRIVATE
+    ${Boost_INCLUDE_DIRS})

src/async/misc_utils.h

@@ -0,0 +1,87 @@
+// Copyright (c) 2023, The Monero Project
+// 
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+// 
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+// 
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+// 
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+/// Miscellaneous async utils.
+
+#pragma once
+
+//local headers
+#include "common/expect.h"
+
+//third-party headers
+
+//standard headers
+#include <chrono>
+#include <future>
+
+//forward declarations
+
+
+namespace async
+{
+//-------------------------------------------------------------------------------------------------------------------
+//-------------------------------------------------------------------------------------------------------------------
+template <typename T>
+bool future_is_ready(const std::future<T> &future)
+{
+    try
+    {
+        if (!future.valid())
+            return false;
+        if (future.wait_for(std::chrono::seconds(0)) != std::future_status::ready)
+            return false;
+    } catch (...) { return false; }
+    return true;
+}
+//-------------------------------------------------------------------------------------------------------------------
+//-------------------------------------------------------------------------------------------------------------------
+template <typename T>
+bool future_is_ready(const std::shared_future<T> &future)
+{
+    try
+    {
+        if (!future.valid())
+            return false;
+        if (future.wait_for(std::chrono::seconds(0)) != std::future_status::ready)
+            return false;
+    } catch (...) { return false; }
+    return true;
+}
+//-------------------------------------------------------------------------------------------------------------------
+//-------------------------------------------------------------------------------------------------------------------
+template <typename R>
+expect<R> unwrap_future(std::future<R> &future)
+{
+    if (!future_is_ready(future)) { return std::error_code{};       }
+    try                           { return std::move(future.get()); }
+    catch (std::error_code e)     { return e;                       }
+    catch (...)                   { return std::error_code{};       }
+}
+//-------------------------------------------------------------------------------------------------------------------
+//-------------------------------------------------------------------------------------------------------------------
+} //namespace async