Added an option to disable RandomX for the build

.github/workflows/c-cpp.yml

@@ -106,8 +106,9 @@ jobs:
     strategy:
       matrix:
         config:
-          - {vs: Visual Studio 16 2019, os: 2019, msbuild: "C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\Enterprise\\MSBuild\\Current\\Bin\\amd64\\"}
-          - {vs: Visual Studio 17 2022, os: 2022, msbuild: "C:\\Program Files\\Microsoft Visual Studio\\2022\\Enterprise\\Msbuild\\Current\\Bin\\amd64\\"}
+          - {vs: Visual Studio 16 2019, os: 2019, msbuild: "C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\Enterprise\\MSBuild\\Current\\Bin\\amd64\\", rx: "ON"}
+          - {vs: Visual Studio 17 2022, os: 2022, msbuild: "C:\\Program Files\\Microsoft Visual Studio\\2022\\Enterprise\\Msbuild\\Current\\Bin\\amd64\\", rx: "ON"}
+          - {vs: Visual Studio 17 2022, os: 2022, msbuild: "C:\\Program Files\\Microsoft Visual Studio\\2022\\Enterprise\\Msbuild\\Current\\Bin\\amd64\\", rx: "OFF"}
 
     steps:
     - name: Checkout repository
@@ -122,7 +123,7 @@ jobs:
       run: |
         mkdir build
         cd build
-        cmake .. -G "${{ matrix.config.vs }}"
+        cmake .. -G "${{ matrix.config.vs }}" -DWITH_RANDOMX=${{ matrix.config.rx }}
         & "${{ matrix.config.msbuild }}msbuild" /m /p:Configuration=Release p2pool.vcxproj
 
     - name: Build tests
@@ -141,7 +142,7 @@ jobs:
     - name: Archive binary
       uses: actions/upload-artifact@v2
       with:
-        name: p2pool-msbuild-${{ matrix.config.os }}.exe
+        name: p2pool-msbuild-${{ matrix.config.os }}-randomx-${{ matrix.config.rx }}.exe
         path: build/Release/p2pool.exe
 
   build-macos:

CMakeLists.txt

@@ -2,6 +2,7 @@ cmake_minimum_required(VERSION 2.8.12)
 project(p2pool)
 
 option(STATIC_BINARY "Build static binary" OFF)
+option(WITH_RANDOMX "Include the RandomX library in the build. If this is turned off, p2pool will rely on monerod for verifying RandomX hashes" ON)
 
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake")
 
@@ -9,8 +10,11 @@ if (${CMAKE_VERSION} VERSION_GREATER "3.5.2")
 	set_property(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY VS_STARTUP_PROJECT p2pool)
 endif()
 
+if (WITH_RANDOMX)
+	add_definitions(-DWITH_RANDOMX)
 	add_subdirectory(external/src/RandomX)
 	set(LIBS randomx)
+endif()
 
 include(cmake/flags.cmake)
 
@@ -27,7 +31,6 @@ set(HEADERS
 	src/keccak.h
 	src/log.h
 	src/mempool.h
-	src/miner.h
 	src/p2p_server.h
 	src/p2pool.h
 	src/p2pool_api.h
@@ -61,7 +64,6 @@ set(SOURCES
 	src/main.cpp
 	src/memory_leak_debug.cpp
 	src/mempool.cpp
-	src/miner.cpp
 	src/p2p_server.cpp
 	src/p2pool.cpp
 	src/p2pool_api.cpp
@@ -75,6 +77,11 @@ set(SOURCES
 	src/zmq_reader.cpp
 )
 
+if (WITH_RANDOMX)
+	set(HEADERS ${HEADERS} src/miner.h)
+	set(SOURCES ${SOURCES} src/miner.cpp)
+endif()
+
 include_directories(src)
 include_directories(external/src)
 include_directories(external/src/cryptonote)
@@ -82,7 +89,9 @@ include_directories(external/src/libuv/include)
 include_directories(external/src/cppzmq)
 include_directories(external/src/libzmq/include)
 include_directories(external/src/llhttp)
+if (WITH_RANDOMX)
 	include_directories(external/src/RandomX/src)
+endif()
 include_directories(external/src/rapidjson/include)
 include_directories(external/src/robin-hood-hashing/src/include)
 
@@ -127,7 +136,10 @@ add_executable(${CMAKE_PROJECT_NAME} ${HEADERS} ${SOURCES})
 if (STATIC_BINARY)
 	add_custom_command(TARGET ${CMAKE_PROJECT_NAME} POST_BUILD COMMAND ${CMAKE_STRIP} ${CMAKE_PROJECT_NAME})
 
+	if (WITH_RANDOMX)
 		set(STATIC_LIBS randomx)
+	endif()
+
 	if (NOT APPLE)
 		set(STATIC_LIBS ${STATIC_LIBS} pthread dl)
 	endif()

src/console_commands.cpp

@@ -21,7 +21,9 @@
 #include "p2pool.h"
 #include "stratum_server.h"
 #include "p2p_server.h"
+#ifdef WITH_RANDOMX
 #include "miner.h"
+#endif
 #include "side_chain.h"
 #include <iostream>
 
@@ -70,7 +72,11 @@ typedef struct cmd {
 	cmdfunc *func;
 } cmd;
 
-static cmdfunc do_help, do_status, do_loglevel, do_addpeers, do_droppeers, do_showpeers, do_showbans, do_outpeers, do_inpeers, do_start_mining, do_stop_mining, do_exit;
+static cmdfunc do_help, do_status, do_loglevel, do_addpeers, do_droppeers, do_showpeers, do_showbans, do_outpeers, do_inpeers, do_exit;
+
+#ifdef WITH_RANDOMX
+static cmdfunc do_start_mining, do_stop_mining;
+#endif
 
 static cmd cmds[] = {
 	{ STRCONST("help"), "", "display list of commands", do_help },
@@ -82,8 +88,10 @@ static cmd cmds[] = {
 	{ STRCONST("bans"), "", "show all banned IPs", do_showbans },
 	{ STRCONST("outpeers"), "", "set maximum number of outgoing connections", do_outpeers },
 	{ STRCONST("inpeers"), "", "set maximum number of incoming connections", do_inpeers },
+#ifdef WITH_RANDOMX
 	{ STRCONST("start_mining"), "<threads>", "start mining", do_start_mining },
 	{ STRCONST("stop_mining"), "", "stop mining", do_stop_mining },
+#endif
 	{ STRCONST("exit"), "", "terminate p2pool", do_exit },
 	{ STRCNULL, NULL, NULL, NULL }
 };
@@ -106,9 +114,11 @@ static int do_status(p2pool *m_pool, const char * /* args */)
 	if (m_pool->p2p_server()) {
 		m_pool->p2p_server()->print_status();
 	}
+#ifdef WITH_RANDOMX
 	if (m_pool->miner()) {
 		m_pool->miner()->print_status();
 	}
+#endif
 	bkg_jobs_tracker.print_status();
 	return 0;
 }
@@ -175,6 +185,7 @@ static int do_inpeers(p2pool* m_pool, const char* args)
 	return 0;
 }
 
+#ifdef WITH_RANDOMX
 static int do_start_mining(p2pool* m_pool, const char* args)
 {
 	uint32_t threads = strtoul(args, nullptr, 10);
@@ -188,6 +199,7 @@ static int do_stop_mining(p2pool* m_pool, const char* /*args*/)
 	m_pool->stop_mining();
 	return 0;
 }
+#endif
 
 static int do_exit(p2pool *m_pool, const char * /* args */)
 {

src/p2pool.cpp

@@ -27,7 +27,9 @@
 #include "side_chain.h"
 #include "stratum_server.h"
 #include "p2p_server.h"
+#ifdef WITH_RANDOMX
 #include "miner.h"
+#endif
 #include "params.h"
 #include "console_commands.h"
 #include "crypto.h"
@@ -128,12 +130,16 @@ p2pool::p2pool(int argc, char* argv[])
 		m_params->m_p2pAddresses = buf;
 	}
 
+#ifdef WITH_RANDOMX
 	if (m_params->m_disableRandomX) {
 		m_hasher = new RandomX_Hasher_RPC(this);
 	}
 	else {
 		m_hasher = new RandomX_Hasher(this);
 	}
+#else
+	m_hasher = new RandomX_Hasher_RPC(this);
+#endif
 
 	m_blockTemplate = new BlockTemplate(this);
 	m_mempool = new Mempool();
@@ -602,9 +608,11 @@ void p2pool::download_block_headers(uint64_t current_height)
 					m_ZMQReader = new ZMQReader(m_params->m_host.c_str(), m_params->m_zmqPort, this);
 					m_stratumServer = new StratumServer(this);
 					m_p2pServer = new P2PServer(this);
+#ifdef WITH_RANDOMX
 					if (m_params->m_minerThreads) {
 						start_mining(m_params->m_minerThreads);
 					}
+#endif
 					api_update_network_stats();
 				}
 			}
@@ -671,9 +679,11 @@ void p2pool::update_median_timestamp()
 
 void p2pool::stratum_on_block()
 {
+#ifdef WITH_RANDOMX
 	if (m_miner) {
 		m_miner->on_block(*m_blockTemplate);
 	}
+#endif
 	if (m_stratumServer) {
 		m_stratumServer->on_block(*m_blockTemplate);
 	}
@@ -1219,6 +1229,7 @@ bool p2pool::get_difficulty_at_height(uint64_t height, difficulty_type& diff)
 	return true;
 }
 
+#ifdef WITH_RANDOMX
 void p2pool::start_mining(uint32_t threads)
 {
 	stop_mining();
@@ -1233,6 +1244,7 @@ void p2pool::stop_mining()
 		delete miner;
 	}
 }
+#endif
 
 static void on_signal(uv_signal_t* handle, int signum)
 {
@@ -1342,7 +1354,9 @@ int p2pool::run()
 
 	bkg_jobs_tracker.wait();
 
+#ifdef WITH_RANDOMX
 	delete m_miner;
+#endif
 	delete m_stratumServer;
 	delete m_p2pServer;
 

src/p2pool.h

@@ -59,7 +59,9 @@ public:
 
 	StratumServer* stratum_server() const { return m_stratumServer; }
 	P2PServer* p2p_server() const { return m_p2pServer; }
+#ifdef WITH_RANDOMX
 	Miner* miner() const { return m_miner; }
+#endif
 
 	virtual void handle_tx(TxMempoolData& tx) override;
 	virtual void handle_miner_data(MinerData& data) override;
@@ -80,8 +82,10 @@ public:
 
 	bool get_difficulty_at_height(uint64_t height, difficulty_type& diff);
 
+#ifdef WITH_RANDOMX
 	void start_mining(uint32_t threads);
 	void stop_mining();
+#endif
 
 	time_t zmq_last_active() const { return m_zmqLastActive; }
 	time_t start_time() const { return m_startTime; }
@@ -160,7 +164,9 @@ private:
 	std::atomic<uint32_t> m_serversStarted{ 0 };
 	StratumServer* m_stratumServer = nullptr;
 	P2PServer* m_p2pServer = nullptr;
+#ifdef WITH_RANDOMX
 	Miner* m_miner = nullptr;
+#endif
 
 	ConsoleCommands* m_consoleCommands;
 

src/params.h

@@ -39,7 +39,11 @@ struct Params
 	std::string m_apiPath;
 	bool m_localStats = false;
 	bool m_blockCache = true;
+#ifdef WITH_RANDOMX
 	bool m_disableRandomX = false;
+#else
+	bool m_disableRandomX = true;
+#endif
 	uint32_t m_maxOutgoingPeers = 10;
 	uint32_t m_maxIncomingPeers = 1000;
 	uint32_t m_minerThreads = 0;

src/pow_hash.cpp

@@ -19,9 +19,11 @@
 #include "pow_hash.h"
 #include "p2pool.h"
 #include "params.h"
+#ifdef WITH_RANDOMX
 #include "randomx.h"
 #include "configuration.h"
 #include "virtual_machine.hpp"
+#endif
 #include "json_rpc_request.h"
 #include "json_parsers.h"
 #include <rapidjson/document.h>
@@ -31,6 +33,7 @@ static constexpr char log_category_prefix[] = "RandomX_Hasher ";
 
 namespace p2pool {
 
+#ifdef WITH_RANDOMX
 RandomX_Hasher::RandomX_Hasher(p2pool* pool)
 	: m_pool(pool)
 	, m_cache{}
@@ -357,6 +360,7 @@ bool RandomX_Hasher::calculate(const void* data, size_t size, uint64_t /*height*
 
 	return false;
 }
+#endif
 
 RandomX_Hasher_RPC::RandomX_Hasher_RPC(p2pool* pool)
 	: m_pool(pool)

src/pow_hash.h

@@ -43,6 +43,7 @@ public:
 	virtual bool calculate(const void* data, size_t size, uint64_t height, const hash& seed, hash& result) = 0;
 };
 
+#ifdef WITH_RANDOMX
 class RandomX_Hasher : public RandomX_Hasher_Base
 {
 public:
@@ -90,6 +91,7 @@ private:
 
 	std::atomic<uint32_t> m_seedCounter;
 };
+#endif
 
 class RandomX_Hasher_RPC : public RandomX_Hasher_Base
 {

src/side_chain.cpp

@@ -21,10 +21,12 @@
 #include "pool_block.h"
 #include "wallet.h"
 #include "block_template.h"
+#ifdef WITH_RANDOMX
 #include "randomx.h"
 #include "dataset.hpp"
 #include "configuration.h"
 #include "intrin_portable.h"
+#endif
 #include "keccak.h"
 #include "p2p_server.h"
 #include "stratum_server.h"
@@ -108,6 +110,7 @@ SideChain::SideChain(p2pool* pool, NetworkType type, const char* pool_name)
 		m_consensusId.assign(mini_consensus_id, mini_consensus_id + HASH_SIZE);
 	}
 	else {
+#ifdef WITH_RANDOMX
 		const randomx_flags flags = randomx_get_flags();
 		randomx_cache* cache = randomx_alloc_cache(flags | RANDOMX_FLAG_LARGE_PAGES);
 		if (!cache) {
@@ -142,6 +145,10 @@ SideChain::SideChain(p2pool* pool, NetworkType type, const char* pool_name)
 		keccak(reinterpret_cast<uint8_t*>(scratchpad), static_cast<int>(scratchpad_size * sizeof(rx_vec_i128)), id.h, HASH_SIZE);
 		randomx_release_cache(cache);
 		m_consensusId.assign(id.h, id.h + HASH_SIZE);
+#else
+		LOGERR(1, "Can't calculate consensus ID without RandomX library");
+		panic();
+#endif
 	}
 
 	s.m_pos = 0;

tests/CMakeLists.txt

@@ -19,6 +19,7 @@ set(LIBS gtest)
 
 add_subdirectory(../external/src/RandomX RandomX)
 set(LIBS ${LIBS} randomx)
+add_definitions(-DWITH_RANDOMX)
 
 if (CMAKE_CXX_COMPILER_ID MATCHES GNU)
 	set(WARNING_FLAGS "")