v6.14.1

Merge branch 'dev'
Update CHANGELOG.md
2025-12-07 16:05:05 -05:00 · 2021-08-15 00:42:47 +07:00 · 2021-08-15 00:42:12 +07:00 · 2021-08-15 00:37:23 +07:00 · 2021-08-14 05:48:37 +07:00 · 2021-08-14 04:58:01 +07:00
120 changed files with 15317 additions and 7431 deletions
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,43 @@
+# v6.14.1
+- [#2532](https://github.com/xmrig/xmrig/pull/2532) Refactoring: stable (persistent) algorithms IDs.
+- [#2537](https://github.com/xmrig/xmrig/pull/2537) Fixed Termux build.
+
+# v6.14.0
+- [#2484](https://github.com/xmrig/xmrig/pull/2484) Added ZeroMQ support for solo mining.
+- [#2476](https://github.com/xmrig/xmrig/issues/2476) Fixed crash in DMI memory reader.
+- [#2492](https://github.com/xmrig/xmrig/issues/2492) Added missing `--huge-pages-jit` command line option.
+- [#2512](https://github.com/xmrig/xmrig/pull/2512) Added show the number of transactions in pool job.
+
+# v6.13.1
+- [#2468](https://github.com/xmrig/xmrig/pull/2468) Fixed regression in previous version: don't send miner signature during regular mining.
+
+# v6.13.0
+- [#2445](https://github.com/xmrig/xmrig/pull/2445) Added support for solo mining with miner signatures for the upcoming Wownero fork.
+
+# v6.12.2
+- [#2280](https://github.com/xmrig/xmrig/issues/2280) GPU backends are now disabled in benchmark mode.
+- [#2322](https://github.com/xmrig/xmrig/pull/2322) Improved MSR compatibility with recent Linux kernels and updated `randomx_boost.sh`.
+- [#2340](https://github.com/xmrig/xmrig/pull/2340) Fixed AES detection on FreeBSD on ARM.
+- [#2341](https://github.com/xmrig/xmrig/pull/2341) `sse2neon` updated to the latest version.
+- [#2351](https://github.com/xmrig/xmrig/issues/2351) Fixed help output for `--cpu-priority` and `--cpu-affinity` option.
+- [#2375](https://github.com/xmrig/xmrig/pull/2375) Fixed macOS CUDA backend default loader name.
+- [#2378](https://github.com/xmrig/xmrig/pull/2378) Fixed broken light mode mining on x86.
+- [#2379](https://github.com/xmrig/xmrig/pull/2379) Fixed CL code for KawPow where it assumes everything is AMD.
+- [#2386](https://github.com/xmrig/xmrig/pull/2386) RandomX: enabled `IMUL_RCP` optimization for light mode mining.
+- [#2393](https://github.com/xmrig/xmrig/pull/2393) RandomX: added BMI2 version for scratchpad prefetch.
+- [#2395](https://github.com/xmrig/xmrig/pull/2395) RandomX: rewrote dataset read code.
+- [#2398](https://github.com/xmrig/xmrig/pull/2398) RandomX: optimized ARMv8 dataset read.
+- Added `argon2/ninja` alias for `argon2/wrkz` algorithm.
+
+# v6.12.1
+- [#2296](https://github.com/xmrig/xmrig/pull/2296) Fixed Zen3 assembly code for `cn/upx2` algorithm.
+
+# v6.12.0
+- [#2276](https://github.com/xmrig/xmrig/pull/2276) Added support for Uplexa (`cn/upx2` algorithm).
+- [#2261](https://github.com/xmrig/xmrig/pull/2261) Show total hashrate if compiled without OpenCL.
+- [#2289](https://github.com/xmrig/xmrig/pull/2289) RandomX: optimized `IMUL_RCP` instruction.
+- Added support for `--user` command line option for online benchmark.
+
 # v6.11.2
 - [#2207](https://github.com/xmrig/xmrig/issues/2207) Fixed regression in HTTP parser and llhttp updated to v5.1.0.

--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,6 +5,7 @@ option(WITH_HWLOC           "Enable hwloc support" ON)
 option(WITH_CN_LITE         "Enable CryptoNight-Lite algorithms family" ON)
 option(WITH_CN_HEAVY        "Enable CryptoNight-Heavy algorithms family" ON)
 option(WITH_CN_PICO         "Enable CryptoNight-Pico algorithm" ON)
+option(WITH_CN_FEMTO        "Enable CryptoNight-UPX2 algorithm" ON)
 option(WITH_RANDOMX         "Enable RandomX algorithms family" ON)
 option(WITH_ARGON2          "Enable Argon2 algorithms family" ON)
 option(WITH_ASTROBWT        "Enable AstroBWT algorithms family" ON)
@@ -196,6 +197,10 @@ if (WITH_CN_PICO)
    add_definitions(/DXMRIG_ALGO_CN_PICO)
 endif()

+if (WITH_CN_FEMTO)
+    add_definitions(/DXMRIG_ALGO_CN_FEMTO)
+endif()
+
 if (WITH_EMBEDDED_CONFIG)
    add_definitions(/DXMRIG_FEATURE_EMBEDDED_CONFIG)
 endif()
--- a/cmake/os.cmake
+++ b/cmake/os.cmake
@@ -1,3 +1,7 @@
+if (CMAKE_SIZEOF_VOID_P EQUAL 8)
+    add_definitions(/DXMRIG_64_BIT)
+endif()
+
 if (WIN32)
    set(XMRIG_OS_WIN ON)
 elseif (APPLE)
--- a/scripts/build.openssl.sh
+++ b/scripts/build.openssl.sh
@@ -1,6 +1,6 @@
 #!/bin/bash -e

-OPENSSL_VERSION="1.1.1j"
+OPENSSL_VERSION="1.1.1k"

 mkdir -p deps
 mkdir -p deps/include
@@ -17,4 +17,4 @@ make -j$(nproc || sysctl -n hw.ncpu || sysctl -n hw.logicalcpu)
 cp -fr include ../../deps
 cp libcrypto.a ../../deps/lib
 cp libssl.a ../../deps/lib
-cd ..
+cd ..
--- a/scripts/randomx_boost.sh
+++ b/scripts/randomx_boost.sh
@@ -1,28 +1,34 @@
-#!/bin/bash
+#!/bin/sh -e

-modprobe msr
+MSR_FILE=/sys/module/msr/parameters/allow_writes

-if cat /proc/cpuinfo | grep "AMD Ryzen" > /dev/null;
+if test -e "$MSR_FILE"; then
+	echo on > $MSR_FILE
+else
+	modprobe msr allow_writes=on
+fi
+
+if grep -E 'AMD Ryzen|AMD EPYC' /proc/cpuinfo > /dev/null;
 	then
-	if cat /proc/cpuinfo | grep "cpu family[[:space:]]:[[:space:]]25" > /dev/null;
+	if grep "cpu family[[:space:]]:[[:space:]]25" /proc/cpuinfo > /dev/null;
 		then
-			echo "Detected Ryzen (Zen3)"
+			echo "Detected Zen3 CPU"
 			wrmsr -a 0xc0011020 0x4480000000000
 			wrmsr -a 0xc0011021 0x1c000200000040
 			wrmsr -a 0xc0011022 0xc000000401500000
 			wrmsr -a 0xc001102b 0x2000cc14
-			echo "MSR register values for Ryzen (Zen3) applied"
+			echo "MSR register values for Zen3 applied"
 		else
-			echo "Detected Ryzen (Zen1/Zen2)"
+			echo "Detected Zen1/Zen2 CPU"
 			wrmsr -a 0xc0011020 0
 			wrmsr -a 0xc0011021 0x40
 			wrmsr -a 0xc0011022 0x1510000
 			wrmsr -a 0xc001102b 0x2000cc16
-			echo "MSR register values for Ryzen (Zen1/Zen2) applied"
+			echo "MSR register values for Zen1/Zen2 applied"
 		fi
-elif cat /proc/cpuinfo | grep "Intel" > /dev/null;
+elif grep "Intel" /proc/cpuinfo > /dev/null;
 	then
-		echo "Detected Intel"
+		echo "Detected Intel CPU"
 		wrmsr -a 0x1a4 0xf
 		echo "MSR register values for Intel applied"
 else
--- a/src/backend/common/Threads.cpp
+++ b/src/backend/common/Threads.cpp
@@ -1,12 +1,6 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
@@ -22,7 +16,6 @@
 *   along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

-
 #include "backend/common/Threads.h"
 #include "3rdparty/rapidjson/document.h"
 #include "backend/cpu/CpuThreads.h"
@@ -43,7 +36,6 @@ namespace xmrig {


 static const char *kAsterisk = "*";
-static const char *kCn2      = "cn/2";


 } // namespace xmrig
@@ -112,7 +104,7 @@ xmrig::String xmrig::Threads<T>::profileName(const Algorithm &algorithm, bool st
        return String();
    }

-    const String name = algorithm.shortName();
+    const String name = algorithm.name();
    if (has(name)) {
        return name;
    }
@@ -125,8 +117,8 @@ xmrig::String xmrig::Threads<T>::profileName(const Algorithm &algorithm, bool st
        return String();
    }

-    if (algorithm.family() == Algorithm::CN && CnAlgo<>::base(algorithm) == Algorithm::CN_2 && has(kCn2)) {
-        return kCn2;
+    if (algorithm.family() == Algorithm::CN && algorithm.base() == Algorithm::CN_2 && has(Algorithm::kCN_2)) {
+        return Algorithm::kCN_2;
    }

    if (name.contains("/")) {
@@ -155,11 +147,11 @@ void xmrig::Threads<T>::toJSON(rapidjson::Value &out, rapidjson::Document &doc)
    }

    for (const Algorithm &algo : m_disabled) {
-        out.AddMember(StringRef(algo.shortName()), false, allocator);
+        out.AddMember(StringRef(algo.name()), false, allocator);
    }

    for (const auto &kv : m_aliases) {
-        out.AddMember(StringRef(kv.first.shortName()), kv.second.toJSON(), allocator);
+        out.AddMember(StringRef(kv.first.name()), kv.second.toJSON(), allocator);
    }
 }

--- a/src/backend/common/Threads.h
+++ b/src/backend/common/Threads.h
@@ -1,12 +1,6 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
@@ -22,6 +16,7 @@
 *   along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

+
 #ifndef XMRIG_THREADS_H
 #define XMRIG_THREADS_H

@@ -45,7 +40,7 @@ public:
    inline bool has(const char *profile) const                                         { return m_profiles.count(profile) > 0; }
    inline bool isDisabled(const Algorithm &algo) const                                { return m_disabled.count(algo) > 0; }
    inline bool isEmpty() const                                                        { return m_profiles.empty(); }
-    inline bool isExist(const Algorithm &algo) const                                   { return isDisabled(algo) || m_aliases.count(algo) > 0 || has(algo.shortName()); }
+    inline bool isExist(const Algorithm &algo) const                                   { return isDisabled(algo) || m_aliases.count(algo) > 0 || has(algo.name()); }
    inline const T &get(const Algorithm &algo, bool strict = false) const              { return get(profileName(algo, strict)); }
    inline void disable(const Algorithm &algo)                                         { m_disabled.insert(algo); }
    inline void setAlias(const Algorithm &algo, const char *profile)                   { m_aliases[algo] = profile; }
--- a/src/backend/common/WorkerJob.h
+++ b/src/backend/common/WorkerJob.h
@@ -85,9 +85,10 @@ public:
    }


+    inline int32_t nonceOffset() const { return currentJob().nonceOffset(); }
+    inline size_t nonceSize() const { return currentJob().nonceSize(); }
+
 private:
-    inline int32_t nonceOffset() const  { return currentJob().nonceOffset(); }
-    inline size_t nonceSize() const     { return currentJob().nonceSize(); }
    inline uint64_t nonceMask() const     { return m_nonce_mask[index()]; }

    inline void save(const Job &job, uint32_t reserveCount, Nonce::Backend backend)
--- a/src/backend/cpu/CpuBackend.cpp
+++ b/src/backend/cpu/CpuBackend.cpp
@@ -1,12 +1,6 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
@@ -22,7 +16,6 @@
 *   along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

-
 #include <mutex>


@@ -297,7 +290,7 @@ const xmrig::String &xmrig::CpuBackend::type() const
 void xmrig::CpuBackend::prepare(const Job &nextJob)
 {
 #   ifdef XMRIG_ALGO_ARGON2
-    const xmrig::Algorithm::Family f = nextJob.algorithm().family();
+    const auto f = nextJob.algorithm().family();
    if ((f == Algorithm::ARGON2) || (f == Algorithm::RANDOM_X)) {
        if (argon2::Impl::select(d_ptr->controller->config()->cpu().argon2Impl())) {
            LOG_INFO("%s use " WHITE_BOLD("argon2") " implementation " CSI "1;%dm" "%s",
@@ -334,13 +327,11 @@ void xmrig::CpuBackend::printHashrate(bool details)
         i++;
    }

-#   ifdef XMRIG_FEATURE_OPENCL
    Log::print(WHITE_BOLD_S "|        - |        - | %7s | %7s | %7s |",
               Hashrate::format(hashrate()->calc(Hashrate::ShortInterval),  num,         sizeof num / 3),
               Hashrate::format(hashrate()->calc(Hashrate::MediumInterval), num + 8,     sizeof num / 3),
               Hashrate::format(hashrate()->calc(Hashrate::LargeInterval),  num + 8 * 2, sizeof num / 3)
               );
-#   endif
 }


--- a/src/backend/cpu/CpuBackend.h
+++ b/src/backend/cpu/CpuBackend.h
@@ -1,12 +1,6 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
--- a/src/backend/cpu/CpuConfig.cpp
+++ b/src/backend/cpu/CpuConfig.cpp
@@ -197,6 +197,7 @@ void xmrig::CpuConfig::generate()
    count += xmrig::generate<Algorithm::CN_LITE>(m_threads, m_limit);
    count += xmrig::generate<Algorithm::CN_HEAVY>(m_threads, m_limit);
    count += xmrig::generate<Algorithm::CN_PICO>(m_threads, m_limit);
+    count += xmrig::generate<Algorithm::CN_FEMTO>(m_threads, m_limit);
    count += xmrig::generate<Algorithm::RANDOM_X>(m_threads, m_limit);
    count += xmrig::generate<Algorithm::ARGON2>(m_threads, m_limit);
    count += xmrig::generate<Algorithm::ASTROBWT>(m_threads, m_limit);
--- a/src/backend/cpu/CpuConfig_gen.h
+++ b/src/backend/cpu/CpuConfig_gen.h
@@ -1,12 +1,6 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
@@ -53,7 +47,7 @@ size_t inline generate<Algorithm::CN>(Threads<CpuThreads> &threads, uint32_t lim
 {
    size_t count = 0;

-    count += generate("cn", threads, Algorithm::CN_1, limit);
+    count += generate(Algorithm::kCN, threads, Algorithm::CN_1, limit);

    if (!threads.isExist(Algorithm::CN_0)) {
        threads.disable(Algorithm::CN_0);
@@ -70,7 +64,7 @@ size_t inline generate<Algorithm::CN_LITE>(Threads<CpuThreads> &threads, uint32_
 {
    size_t count = 0;

-    count += generate("cn-lite", threads, Algorithm::CN_LITE_1, limit);
+    count += generate(Algorithm::kCN_LITE, threads, Algorithm::CN_LITE_1, limit);

    if (!threads.isExist(Algorithm::CN_LITE_0)) {
        threads.disable(Algorithm::CN_LITE_0);
@@ -86,7 +80,7 @@ size_t inline generate<Algorithm::CN_LITE>(Threads<CpuThreads> &threads, uint32_
 template<>
 size_t inline generate<Algorithm::CN_HEAVY>(Threads<CpuThreads> &threads, uint32_t limit)
 {
-    return generate("cn-heavy", threads, Algorithm::CN_HEAVY_0, limit);
+    return generate(Algorithm::kCN_HEAVY, threads, Algorithm::CN_HEAVY_0, limit);
 }
 #endif

@@ -95,7 +89,16 @@ size_t inline generate<Algorithm::CN_HEAVY>(Threads<CpuThreads> &threads, uint32
 template<>
 size_t inline generate<Algorithm::CN_PICO>(Threads<CpuThreads> &threads, uint32_t limit)
 {
-    return generate("cn-pico", threads, Algorithm::CN_PICO_0, limit);
+    return generate(Algorithm::kCN_PICO, threads, Algorithm::CN_PICO_0, limit);
+}
+#endif
+
+
+#ifdef XMRIG_ALGO_CN_FEMTO
+template<>
+size_t inline generate<Algorithm::CN_FEMTO>(Threads<CpuThreads>& threads, uint32_t limit)
+{
+    return generate(Algorithm::kCN_UPX2, threads, Algorithm::CN_UPX2, limit);
 }
 #endif

@@ -111,30 +114,30 @@ size_t inline generate<Algorithm::RANDOM_X>(Threads<CpuThreads> &threads, uint32
    if (!threads.isExist(Algorithm::RX_ARQ)) {
        auto arq = cpuInfo->threads(Algorithm::RX_ARQ, limit);
        if (arq == wow) {
-            threads.setAlias(Algorithm::RX_ARQ, "rx/wow");
+            threads.setAlias(Algorithm::RX_ARQ, Algorithm::kRX_WOW);
            ++count;
        }
        else {
-            count += threads.move("rx/arq", std::move(arq));
+            count += threads.move(Algorithm::kRX_ARQ, std::move(arq));
        }
    }

    if (!threads.isExist(Algorithm::RX_KEVA)) {
        auto keva = cpuInfo->threads(Algorithm::RX_KEVA, limit);
        if (keva == wow) {
-            threads.setAlias(Algorithm::RX_KEVA, "rx/wow");
+            threads.setAlias(Algorithm::RX_KEVA, Algorithm::kRX_WOW);
            ++count;
        }
        else {
-            count += threads.move("rx/keva", std::move(keva));
+            count += threads.move(Algorithm::kRX_KEVA, std::move(keva));
        }
    }

    if (!threads.isExist(Algorithm::RX_WOW)) {
-        count += threads.move("rx/wow", std::move(wow));
+        count += threads.move(Algorithm::kRX_WOW, std::move(wow));
    }

-    count += generate("rx", threads, Algorithm::RX_0, limit);
+    count += generate(Algorithm::kRX, threads, Algorithm::RX_0, limit);

    return count;
 }
@@ -145,7 +148,7 @@ size_t inline generate<Algorithm::RANDOM_X>(Threads<CpuThreads> &threads, uint32
 template<>
 size_t inline generate<Algorithm::ARGON2>(Threads<CpuThreads> &threads, uint32_t limit)
 {
-    return generate("argon2", threads, Algorithm::AR2_CHUKWA_V2, limit);
+    return generate(Algorithm::kAR2, threads, Algorithm::AR2_CHUKWA_V2, limit);
 }
 #endif

@@ -154,7 +157,7 @@ size_t inline generate<Algorithm::ARGON2>(Threads<CpuThreads> &threads, uint32_t
 template<>
 size_t inline generate<Algorithm::ASTROBWT>(Threads<CpuThreads>& threads, uint32_t limit)
 {
-    return generate("astrobwt", threads, Algorithm::ASTROBWT_DERO, limit);
+    return generate(Algorithm::kASTROBWT, threads, Algorithm::ASTROBWT_DERO, limit);
 }
 #endif

--- a/src/backend/cpu/CpuWorker.cpp
+++ b/src/backend/cpu/CpuWorker.cpp
@@ -193,6 +193,12 @@ bool xmrig::CpuWorker<N>::selfTest()
    }
 #   endif

+#   ifdef XMRIG_ALGO_CN_FEMTO
+    if (m_algorithm.family() == Algorithm::CN_FEMTO) {
+        return verify(Algorithm::CN_UPX2, test_output_femto_upx2);
+    }
+#   endif
+
 #   ifdef XMRIG_ALGO_ARGON2
    if (m_algorithm.family() == Algorithm::ARGON2) {
        return verify(Algorithm::AR2_CHUKWA, argon2_chukwa_test_out) &&
@@ -268,10 +274,16 @@ void xmrig::CpuWorker<N>::start()

            bool valid = true;

+            uint8_t miner_signature_saved[64];
+            uint8_t* miner_signature_ptr = m_job.blob() + m_job.nonceOffset() + m_job.nonceSize();
+
 #           ifdef XMRIG_ALGO_RANDOMX
            if (job.algorithm().family() == Algorithm::RANDOM_X) {
                if (first) {
                    first = false;
+                    if (job.hasMinerSignature()) {
+                        job.generateMinerSignature(m_job.blob(), job.size(), miner_signature_ptr);
+                    }
                    randomx_calculate_hash_first(m_vm, tempHash, m_job.blob(), job.size());
                }

@@ -279,6 +291,10 @@ void xmrig::CpuWorker<N>::start()
                    break;
                }

+                if (job.hasMinerSignature()) {
+                    memcpy(miner_signature_saved, miner_signature_ptr, sizeof(miner_signature_saved));
+                    job.generateMinerSignature(m_job.blob(), job.size(), miner_signature_ptr);
+                }
                randomx_calculate_hash_next(m_vm, tempHash, m_job.blob(), job.size(), m_hash);
            }
            else
@@ -313,7 +329,7 @@ void xmrig::CpuWorker<N>::start()
                    else
 #                   endif
                    if (value < job.target()) {
-                        JobResults::submit(job, current_job_nonces[i], m_hash + (i * 32));
+                        JobResults::submit(job, current_job_nonces[i], m_hash + (i * 32), job.hasMinerSignature() ? miner_signature_saved : nullptr);
                    }
                }
                m_count += N;
--- a/src/backend/cpu/platform/BasicCpuInfo.cpp
+++ b/src/backend/cpu/platform/BasicCpuInfo.cpp
@@ -309,26 +309,34 @@ xmrig::CpuThreads xmrig::BasicCpuInfo::threads(const Algorithm &algorithm, uint3
        return 1;
    }

+    const auto f = algorithm.family();
+
 #   ifdef XMRIG_ALGO_CN_LITE
-    if (algorithm.family() == Algorithm::CN_LITE) {
+    if (f == Algorithm::CN_LITE) {
        return CpuThreads(count, 1);
    }
 #   endif

 #   ifdef XMRIG_ALGO_CN_PICO
-    if (algorithm.family() == Algorithm::CN_PICO) {
+    if (f == Algorithm::CN_PICO) {
+        return CpuThreads(count, 2);
+    }
+#   endif
+
+#   ifdef XMRIG_ALGO_CN_FEMTO
+    if (f == Algorithm::CN_FEMTO) {
        return CpuThreads(count, 2);
    }
 #   endif

 #   ifdef XMRIG_ALGO_CN_HEAVY
-    if (algorithm.family() == Algorithm::CN_HEAVY) {
+    if (f == Algorithm::CN_HEAVY) {
        return CpuThreads(std::max<size_t>(count / 4, 1), 1);
    }
 #   endif

 #   ifdef XMRIG_ALGO_RANDOMX
-    if (algorithm.family() == Algorithm::RANDOM_X) {
+    if (f == Algorithm::RANDOM_X) {
        if (algorithm == Algorithm::RX_WOW) {
            return count;
        }
@@ -338,13 +346,13 @@ xmrig::CpuThreads xmrig::BasicCpuInfo::threads(const Algorithm &algorithm, uint3
 #   endif

 #   ifdef XMRIG_ALGO_ARGON2
-    if (algorithm.family() == Algorithm::ARGON2) {
+    if (f == Algorithm::ARGON2) {
        return count;
    }
 #   endif

 #   ifdef XMRIG_ALGO_ASTROBWT
-    if (algorithm.family() == Algorithm::ASTROBWT) {
+    if (f == Algorithm::ASTROBWT) {
        CpuThreads threads;
        for (size_t i = 0; i < count; ++i) {
            threads.add(i, 0);
--- a/src/backend/cpu/platform/BasicCpuInfo_arm.cpp
+++ b/src/backend/cpu/platform/BasicCpuInfo_arm.cpp
@@ -28,7 +28,15 @@

 #if __ARM_FEATURE_CRYPTO && !defined(__APPLE__)
 #   include <sys/auxv.h>
-#   include <asm/hwcap.h>
+#   ifndef __FreeBSD__
+#       include <asm/hwcap.h>
+#   else
+#       include <stdint.h>
+#       include <machine/armreg.h>
+#       ifndef ID_AA64ISAR0_AES_VAL
+#           define ID_AA64ISAR0_AES_VAL ID_AA64ISAR0_AES        
+#       endif
+#   endif
 #endif


@@ -62,10 +70,13 @@ xmrig::BasicCpuInfo::BasicCpuInfo() :
 #   endif

 #   if __ARM_FEATURE_CRYPTO
-#   if !defined(__APPLE__)
-    m_flags.set(FLAG_AES, getauxval(AT_HWCAP) & HWCAP_AES);
-#   else
+#   if defined(__APPLE__)
    m_flags.set(FLAG_AES, true);
+#   elif defined(__FreeBSD__)
+    uint64_t isar0 = READ_SPECIALREG(id_aa64isar0_el1);
+    m_flags.set(FLAG_AES, ID_AA64ISAR0_AES_VAL(isar0) >= ID_AA64ISAR0_AES_BASE);
+#   else
+    m_flags.set(FLAG_AES, getauxval(AT_HWCAP) & HWCAP_AES);
 #   endif
 #   endif

--- a/src/backend/cpu/platform/HwlocCpuInfo.cpp
+++ b/src/backend/cpu/platform/HwlocCpuInfo.cpp
@@ -16,7 +16,6 @@
 *   along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

-
 #ifdef XMRIG_HWLOC_DEBUG
 #   include <uv.h>
 #endif
@@ -259,7 +258,7 @@ xmrig::CpuThreads xmrig::HwlocCpuInfo::threads(const Algorithm &algorithm, uint3
    }

    if (threads.isEmpty()) {
-        LOG_WARN("hwloc auto configuration for algorithm \"%s\" failed.", algorithm.shortName());
+        LOG_WARN("hwloc auto configuration for algorithm \"%s\" failed.", algorithm.name());

        return BasicCpuInfo::threads(algorithm, limit);
    }
@@ -336,11 +335,10 @@ void xmrig::HwlocCpuInfo::processTopLevelCache(hwloc_obj_t cache, const Algorith

    size_t cacheHashes = ((L3 + extra) + (scratchpad / 2)) / scratchpad;

-#   ifdef XMRIG_ALGO_CN_PICO
-    if (intensity && algorithm == Algorithm::CN_PICO_0 && (cacheHashes / PUs) >= 2) {
+    const auto family = algorithm.family();
+    if (intensity && ((family == Algorithm::CN_PICO) || (family == Algorithm::CN_FEMTO)) && (cacheHashes / PUs) >= 2) {
        intensity = 2;
    }
-#   endif

 #   ifdef XMRIG_ALGO_RANDOMX
    if (extra == 0 && algorithm.l2() > 0) {
--- a/src/backend/cuda/CudaConfig.cpp
+++ b/src/backend/cuda/CudaConfig.cpp
@@ -179,6 +179,7 @@ void xmrig::CudaConfig::generate()
    count += xmrig::generate<Algorithm::CN_LITE>(m_threads, devices);
    count += xmrig::generate<Algorithm::CN_HEAVY>(m_threads, devices);
    count += xmrig::generate<Algorithm::CN_PICO>(m_threads, devices);
+    count += xmrig::generate<Algorithm::CN_FEMTO>(m_threads, devices);
    count += xmrig::generate<Algorithm::RANDOM_X>(m_threads, devices);
    count += xmrig::generate<Algorithm::ASTROBWT>(m_threads, devices);
    count += xmrig::generate<Algorithm::KAWPOW>(m_threads, devices);
--- a/src/backend/cuda/CudaConfig_gen.h
+++ b/src/backend/cuda/CudaConfig_gen.h
@@ -1,12 +1,6 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
@@ -56,8 +50,8 @@ size_t inline generate<Algorithm::CN>(Threads<CudaThreads> &threads, const std::
 {
    size_t count = 0;

-    count += generate("cn", threads, Algorithm::CN_1, devices);
-    count += generate("cn/2", threads, Algorithm::CN_2, devices);
+    count += generate(Algorithm::kCN, threads, Algorithm::CN_1, devices);
+    count += generate(Algorithm::kCN_2, threads, Algorithm::CN_2, devices);

    if (!threads.isExist(Algorithm::CN_0)) {
        threads.disable(Algorithm::CN_0);
@@ -72,7 +66,7 @@ size_t inline generate<Algorithm::CN>(Threads<CudaThreads> &threads, const std::
 template<>
 size_t inline generate<Algorithm::CN_LITE>(Threads<CudaThreads> &threads, const std::vector<CudaDevice> &devices)
 {
-    size_t count = generate("cn-lite", threads, Algorithm::CN_LITE_1, devices);
+    size_t count = generate(Algorithm::kCN_LITE, threads, Algorithm::CN_LITE_1, devices);

    if (!threads.isExist(Algorithm::CN_LITE_0)) {
        threads.disable(Algorithm::CN_LITE_0);
@@ -88,7 +82,7 @@ size_t inline generate<Algorithm::CN_LITE>(Threads<CudaThreads> &threads, const
 template<>
 size_t inline generate<Algorithm::CN_HEAVY>(Threads<CudaThreads> &threads, const std::vector<CudaDevice> &devices)
 {
-    return generate("cn-heavy", threads, Algorithm::CN_HEAVY_0, devices);
+    return generate(Algorithm::kCN_HEAVY, threads, Algorithm::CN_HEAVY_0, devices);
 }
 #endif

@@ -97,7 +91,16 @@ size_t inline generate<Algorithm::CN_HEAVY>(Threads<CudaThreads> &threads, const
 template<>
 size_t inline generate<Algorithm::CN_PICO>(Threads<CudaThreads> &threads, const std::vector<CudaDevice> &devices)
 {
-    return generate("cn-pico", threads, Algorithm::CN_PICO_0, devices);
+    return generate(Algorithm::kCN_PICO, threads, Algorithm::CN_PICO_0, devices);
+}
+#endif
+
+
+#ifdef XMRIG_ALGO_CN_FEMTO
+template<>
+size_t inline generate<Algorithm::CN_FEMTO>(Threads<CudaThreads>& threads, const std::vector<CudaDevice>& devices)
+{
+    return generate(Algorithm::kCN_UPX2, threads, Algorithm::CN_UPX2, devices);
 }
 #endif

@@ -114,18 +117,18 @@ size_t inline generate<Algorithm::RANDOM_X>(Threads<CudaThreads> &threads, const
    auto kva = CudaThreads(devices, Algorithm::RX_KEVA);

    if (!threads.isExist(Algorithm::RX_WOW) && wow != rx) {
-        count += threads.move("rx/wow", std::move(wow));
+        count += threads.move(Algorithm::kRX_WOW, std::move(wow));
    }

    if (!threads.isExist(Algorithm::RX_ARQ) && arq != rx) {
-        count += threads.move("rx/arq", std::move(arq));
+        count += threads.move(Algorithm::kRX_ARQ, std::move(arq));
    }

    if (!threads.isExist(Algorithm::RX_KEVA) && kva != rx) {
-        count += threads.move("rx/keva", std::move(kva));
+        count += threads.move(Algorithm::kRX_KEVA, std::move(kva));
    }

-    count += threads.move("rx", std::move(rx));
+    count += threads.move(Algorithm::kRX, std::move(rx));

    return count;
 }
@@ -136,7 +139,7 @@ size_t inline generate<Algorithm::RANDOM_X>(Threads<CudaThreads> &threads, const
 template<>
 size_t inline generate<Algorithm::ASTROBWT>(Threads<CudaThreads> &threads, const std::vector<CudaDevice> &devices)
 {
-    return generate("astrobwt", threads, Algorithm::ASTROBWT_DERO, devices);
+    return generate(Algorithm::kASTROBWT, threads, Algorithm::ASTROBWT_DERO, devices);
 }
 #endif

@@ -145,7 +148,7 @@ size_t inline generate<Algorithm::ASTROBWT>(Threads<CudaThreads> &threads, const
 template<>
 size_t inline generate<Algorithm::KAWPOW>(Threads<CudaThreads> &threads, const std::vector<CudaDevice> &devices)
 {
-    return generate("kawpow", threads, Algorithm::KAWPOW_RVN, devices);
+    return generate(Algorithm::kKAWPOW, threads, Algorithm::KAWPOW_RVN, devices);
 }
 #endif

--- a/src/backend/cuda/wrappers/CudaLib.cpp
+++ b/src/backend/cuda/wrappers/CudaLib.cpp
@@ -1,12 +1,6 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
@@ -22,7 +16,6 @@
 *   along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

-
 #include <stdexcept>
 #include <uv.h>

@@ -48,7 +41,7 @@ enum Version : uint32_t
 static uv_lib_t cudaLib;

 #if defined(__APPLE__)
-static String defaultLoader = "/System/Library/Frameworks/OpenCL.framework/OpenCL";
+static String defaultLoader = "libxmrig-cuda.dylib";
 #elif defined(_WIN32)
 static String defaultLoader = "xmrig-cuda.dll";
 #else
@@ -199,7 +192,7 @@ bool xmrig::CudaLib::deviceInfo(nvid_ctx *ctx, int32_t blocks, int32_t threads,
 {
    const Algorithm algo = RxAlgo::id(algorithm);

-    return pDeviceInfo_v2(ctx, blocks, threads, algo.isValid() ? algo.shortName() : nullptr, dataset_host);
+    return pDeviceInfo_v2(ctx, blocks, threads, algo.isValid() ? algo.name() : nullptr, dataset_host);
 }


@@ -243,7 +236,7 @@ bool xmrig::CudaLib::setJob(nvid_ctx *ctx, const void *data, size_t size, const
 {
    const Algorithm algo = RxAlgo::id(algorithm);

-    return pSetJob_v2(ctx, data, size, algo.shortName());
+    return pSetJob_v2(ctx, data, size, algo.name());
 }


--- a/src/backend/cuda/wrappers/CudaLib.h
+++ b/src/backend/cuda/wrappers/CudaLib.h
@@ -1,12 +1,6 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
--- a/src/backend/opencl/OclConfig.cpp
+++ b/src/backend/opencl/OclConfig.cpp
@@ -219,6 +219,7 @@ void xmrig::OclConfig::generate()
    count += xmrig::generate<Algorithm::CN_LITE>(m_threads, devices);
    count += xmrig::generate<Algorithm::CN_HEAVY>(m_threads, devices);
    count += xmrig::generate<Algorithm::CN_PICO>(m_threads, devices);
+    count += xmrig::generate<Algorithm::CN_FEMTO>(m_threads, devices);
    count += xmrig::generate<Algorithm::RANDOM_X>(m_threads, devices);
    count += xmrig::generate<Algorithm::ASTROBWT>(m_threads, devices);
    count += xmrig::generate<Algorithm::KAWPOW>(m_threads, devices);
--- a/src/backend/opencl/OclConfig_gen.h
+++ b/src/backend/opencl/OclConfig_gen.h
@@ -1,12 +1,6 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
@@ -55,8 +49,8 @@ size_t inline generate<Algorithm::CN>(Threads<OclThreads> &threads, const std::v
 {
    size_t count = 0;

-    count += generate("cn", threads, Algorithm::CN_1, devices);
-    count += generate("cn/2", threads, Algorithm::CN_2, devices);
+    count += generate(Algorithm::kCN, threads, Algorithm::CN_1, devices);
+    count += generate(Algorithm::kCN_2, threads, Algorithm::CN_2, devices);

    if (!threads.isExist(Algorithm::CN_0)) {
        threads.disable(Algorithm::CN_0);
@@ -71,7 +65,7 @@ size_t inline generate<Algorithm::CN>(Threads<OclThreads> &threads, const std::v
 template<>
 size_t inline generate<Algorithm::CN_LITE>(Threads<OclThreads> &threads, const std::vector<OclDevice> &devices)
 {
-    size_t count = generate("cn-lite", threads, Algorithm::CN_LITE_1, devices);
+    size_t count = generate(Algorithm::kCN_LITE, threads, Algorithm::CN_LITE_1, devices);

    if (!threads.isExist(Algorithm::CN_LITE_0)) {
        threads.disable(Algorithm::CN_LITE_0);
@@ -87,7 +81,7 @@ size_t inline generate<Algorithm::CN_LITE>(Threads<OclThreads> &threads, const s
 template<>
 size_t inline generate<Algorithm::CN_HEAVY>(Threads<OclThreads> &threads, const std::vector<OclDevice> &devices)
 {
-    return generate("cn-heavy", threads, Algorithm::CN_HEAVY_0, devices);
+    return generate(Algorithm::kCN_HEAVY, threads, Algorithm::CN_HEAVY_0, devices);
 }
 #endif

@@ -96,7 +90,16 @@ size_t inline generate<Algorithm::CN_HEAVY>(Threads<OclThreads> &threads, const
 template<>
 size_t inline generate<Algorithm::CN_PICO>(Threads<OclThreads> &threads, const std::vector<OclDevice> &devices)
 {
-    return generate("cn-pico", threads, Algorithm::CN_PICO_0, devices);
+    return generate(Algorithm::kCN_PICO, threads, Algorithm::CN_PICO_0, devices);
+}
+#endif
+
+
+#ifdef XMRIG_ALGO_CN_FEMTO
+template<>
+size_t inline generate<Algorithm::CN_FEMTO>(Threads<OclThreads>& threads, const std::vector<OclDevice>& devices)
+{
+    return generate(Algorithm::kCN_UPX2, threads, Algorithm::CN_UPX2, devices);
 }
 #endif

@@ -112,14 +115,14 @@ size_t inline generate<Algorithm::RANDOM_X>(Threads<OclThreads> &threads, const
    auto arq = OclThreads(devices, Algorithm::RX_ARQ);

    if (!threads.isExist(Algorithm::RX_WOW) && wow != rx) {
-        count += threads.move("rx/wow", std::move(wow));
+        count += threads.move(Algorithm::kRX_WOW, std::move(wow));
    }

    if (!threads.isExist(Algorithm::RX_ARQ) && arq != rx) {
-        count += threads.move("rx/arq", std::move(arq));
+        count += threads.move(Algorithm::kRX_ARQ, std::move(arq));
    }

-    count += threads.move("rx", std::move(rx));
+    count += threads.move(Algorithm::kRX, std::move(rx));

    return count;
 }
@@ -130,7 +133,7 @@ size_t inline generate<Algorithm::RANDOM_X>(Threads<OclThreads> &threads, const
 template<>
 size_t inline generate<Algorithm::ASTROBWT>(Threads<OclThreads>& threads, const std::vector<OclDevice>& devices)
 {
-    return generate("astrobwt", threads, Algorithm::ASTROBWT_DERO, devices);
+    return generate(Algorithm::kASTROBWT, threads, Algorithm::ASTROBWT_DERO, devices);
 }
 #endif

@@ -139,7 +142,7 @@ size_t inline generate<Algorithm::ASTROBWT>(Threads<OclThreads>& threads, const
 template<>
 size_t inline generate<Algorithm::KAWPOW>(Threads<OclThreads>& threads, const std::vector<OclDevice>& devices)
 {
-    return generate("kawpow", threads, Algorithm::KAWPOW_RVN, devices);
+    return generate(Algorithm::kKAWPOW, threads, Algorithm::KAWPOW_RVN, devices);
 }
 #endif

--- a/src/backend/opencl/cl/cn/algorithm.cl
+++ b/src/backend/opencl/cl/cn/algorithm.cl
@@ -1,39 +1,41 @@
-#define ALGO_CN_0           0
-#define ALGO_CN_1           1
-#define ALGO_CN_2           2
-#define ALGO_CN_R           3
-#define ALGO_CN_FAST        4
-#define ALGO_CN_HALF        5
-#define ALGO_CN_XAO         6
-#define ALGO_CN_RTO         7
-#define ALGO_CN_RWZ         8
-#define ALGO_CN_ZLS         9
-#define ALGO_CN_DOUBLE      10
-#define ALGO_CN_LITE_0      11
-#define ALGO_CN_LITE_1      12
-#define ALGO_CN_HEAVY_0     13
-#define ALGO_CN_HEAVY_TUBE  14
-#define ALGO_CN_HEAVY_XHV   15
-#define ALGO_CN_PICO_0      16
-#define ALGO_CN_PICO_TLO    17
-#define ALGO_CN_CCX         18
-#define ALGO_RX_0           19
-#define ALGO_RX_WOW         20
-#define ALGO_RX_ARQMA       21
-#define ALGO_RX_SFX         22
-#define ALGO_RX_KEVA        23
-#define ALGO_AR2_CHUKWA     24
-#define ALGO_AR2_CHUKWA_V2  25
-#define ALGO_AR2_WRKZ       26
-#define ALGO_ASTROBWT_DERO  27
-#define ALGO_KAWPOW_RVN     28
+#define ALGO_CN_0           0x63150000
+#define ALGO_CN_1           0x63150100
+#define ALGO_CN_2           0x63150200
+#define ALGO_CN_R           0x63150272
+#define ALGO_CN_FAST        0x63150166
+#define ALGO_CN_HALF        0x63150268
+#define ALGO_CN_XAO         0x63150078
+#define ALGO_CN_RTO         0x63150172
+#define ALGO_CN_RWZ         0x63150277
+#define ALGO_CN_ZLS         0x6315027a
+#define ALGO_CN_DOUBLE      0x63150264
+#define ALGO_CN_CCX         0x63150063
+#define ALGO_CN_LITE_0      0x63140000
+#define ALGO_CN_LITE_1      0x63140100
+#define ALGO_CN_HEAVY_0     0x63160000
+#define ALGO_CN_HEAVY_TUBE  0x63160172
+#define ALGO_CN_HEAVY_XHV   0x63160068
+#define ALGO_CN_PICO_0      0x63120200
+#define ALGO_CN_PICO_TLO    0x63120274
+#define ALGO_CN_UPX2        0x63110200
+#define ALGO_RX_0           0x72151200
+#define ALGO_RX_WOW         0x72141177
+#define ALGO_RX_ARQMA       0x72121061
+#define ALGO_RX_SFX         0x72151273
+#define ALGO_RX_KEVA        0x7214116b
+#define ALGO_AR2_CHUKWA     0x61130000
+#define ALGO_AR2_CHUKWA_V2  0x61140000
+#define ALGO_AR2_WRKZ       0x61120000
+#define ALGO_ASTROBWT_DERO  0x41000000
+#define ALGO_KAWPOW_RVN     0x6b0f0000

 #define FAMILY_UNKNOWN      0
-#define FAMILY_CN           1
-#define FAMILY_CN_LITE      2
-#define FAMILY_CN_HEAVY     3
-#define FAMILY_CN_PICO      4
-#define FAMILY_RANDOM_X     5
-#define FAMILY_ARGON2       6
-#define FAMILY_ASTROBWT     7
-#define FAMILY_KAWPOW       8
+#define FAMILY_CN           0x63150000
+#define FAMILY_CN_LITE      0x63140000
+#define FAMILY_CN_HEAVY     0x63160000
+#define FAMILY_CN_PICO      0x63120000
+#define FAMILY_CN_FEMTO     0x63110000
+#define FAMILY_RANDOM_X     0x72000000
+#define FAMILY_ARGON2       0x61000000
+#define FAMILY_ASTROBWT     0x41000000
+#define FAMILY_KAWPOW       0x6b000000
--- a/src/backend/opencl/cl/cn/cryptonight.cl
+++ b/src/backend/opencl/cl/cn/cryptonight.cl
@@ -514,7 +514,7 @@ __kernel void cn1(__global ulong *input, __global uint4 *Scratchpad, __global ul
        c = AES_Round(AES0, AES1, AES2, AES3, c, ((uint4 *)a)[0]);

        {
-#           if (ALGO == ALGO_CN_RWZ)
+#           if ((ALGO == ALGO_CN_RWZ) || (ALGO == ALGO_CN_UPX2))
            const ulong2 chunk1 = as_ulong2(SCRATCHPAD_CHUNK(3));
            const ulong2 chunk2 = as_ulong2(SCRATCHPAD_CHUNK(2));
            const ulong2 chunk3 = as_ulong2(SCRATCHPAD_CHUNK(1));
@@ -561,7 +561,7 @@ __kernel void cn1(__global ulong *input, __global uint4 *Scratchpad, __global ul
            t ^= chunk2;
            const ulong2 chunk3 = as_ulong2(SCRATCHPAD_CHUNK(3));

-#           if (ALGO == ALGO_CN_RWZ)
+#           if ((ALGO == ALGO_CN_RWZ) || (ALGO == ALGO_CN_UPX2))
            SCRATCHPAD_CHUNK(1) = as_uint4(chunk1 + bx1);
            SCRATCHPAD_CHUNK(2) = as_uint4(chunk3 + bx0);
            SCRATCHPAD_CHUNK(3) = as_uint4(chunk2 + ((ulong2 *)a)[0]);
--- a/src/backend/opencl/cl/cn/cryptonight_cl.h
+++ b/src/backend/opencl/cl/cn/cryptonight_cl.h
--- a/src/backend/opencl/cl/kawpow/defs.h
+++ b/src/backend/opencl/cl/kawpow/defs.h
@@ -29,7 +29,11 @@ typedef unsigned long      uint64_t;
 #endif

 #ifndef PLATFORM
+#ifdef cl_amd_media_ops
 #define PLATFORM OPENCL_PLATFORM_AMD
+#else
+#define PLATFORM OPENCL_PLATFORM_UNKNOWN
+#endif
 #endif

 #define HASHES_PER_GROUP (GROUP_SIZE / PROGPOW_LANES)
--- a/src/backend/opencl/cl/kawpow/kawpow_cl.h
+++ b/src/backend/opencl/cl/kawpow/kawpow_cl.h
@@ -2,7 +2,7 @@

 namespace xmrig {

-static const char kawpow_cl[5870] = {
+static const char kawpow_cl[5948] = {
    0x23,0x69,0x66,0x64,0x65,0x66,0x20,0x63,0x6c,0x5f,0x63,0x6c,0x61,0x6e,0x67,0x5f,0x73,0x74,0x6f,0x72,0x61,0x67,0x65,0x5f,0x63,0x6c,0x61,0x73,0x73,0x5f,0x73,0x70,
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@@ -25,168 +25,170 @@ static const char kawpow_cl[5870] = {
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 };

 } // namespace xmrig
--- a/src/backend/opencl/cl/kawpow/kawpow_dag_cl.h
+++ b/src/backend/opencl/cl/kawpow/kawpow_dag_cl.h
@@ -2,7 +2,7 @@

 namespace xmrig {

-static const char kawpow_dag_cl[5990] = {
+static const char kawpow_dag_cl[6068] = {
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@@ -25,172 +25,174 @@ static const char kawpow_dag_cl[5990] = {
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+    0x5f,0x64,0x61,0x67,0x2c,0x75,0x69,0x6e,0x74,0x20,0x69,0x73,0x6f,0x6c,0x61,0x74,0x65,0x2c,0x75,0x69,0x6e,0x74,0x20,0x64,0x61,0x67,0x5f,0x77,0x6f,0x72,0x64,0x73,
+    0x2c,0x75,0x69,0x6e,0x74,0x34,0x20,0x6c,0x69,0x67,0x68,0x74,0x5f,0x77,0x6f,0x72,0x64,0x73,0x29,0x0a,0x7b,0x0a,0x75,0x69,0x6e,0x74,0x20,0x63,0x6f,0x6e,0x73,0x74,
+    0x20,0x6e,0x6f,0x64,0x65,0x5f,0x69,0x6e,0x64,0x65,0x78,0x3d,0x73,0x74,0x61,0x72,0x74,0x2b,0x67,0x65,0x74,0x5f,0x67,0x6c,0x6f,0x62,0x61,0x6c,0x5f,0x69,0x64,0x28,
+    0x30,0x29,0x3b,0x0a,0x69,0x66,0x28,0x6e,0x6f,0x64,0x65,0x5f,0x69,0x6e,0x64,0x65,0x78,0x3e,0x3d,0x64,0x61,0x67,0x5f,0x77,0x6f,0x72,0x64,0x73,0x29,0x0a,0x72,0x65,
+    0x74,0x75,0x72,0x6e,0x3b,0x0a,0x68,0x61,0x73,0x68,0x32,0x30,0x30,0x5f,0x74,0x20,0x64,0x61,0x67,0x5f,0x6e,0x6f,0x64,0x65,0x3b,0x0a,0x63,0x6f,0x70,0x79,0x28,0x64,
+    0x61,0x67,0x5f,0x6e,0x6f,0x64,0x65,0x2e,0x75,0x69,0x6e,0x74,0x34,0x73,0x2c,0x67,0x5f,0x6c,0x69,0x67,0x68,0x74,0x5b,0x66,0x61,0x73,0x74,0x5f,0x6d,0x6f,0x64,0x28,
+    0x6e,0x6f,0x64,0x65,0x5f,0x69,0x6e,0x64,0x65,0x78,0x2c,0x6c,0x69,0x67,0x68,0x74,0x5f,0x77,0x6f,0x72,0x64,0x73,0x29,0x5d,0x2e,0x75,0x69,0x6e,0x74,0x34,0x73,0x2c,
+    0x34,0x29,0x3b,0x0a,0x64,0x61,0x67,0x5f,0x6e,0x6f,0x64,0x65,0x2e,0x77,0x6f,0x72,0x64,0x73,0x5b,0x30,0x5d,0x20,0x5e,0x3d,0x20,0x6e,0x6f,0x64,0x65,0x5f,0x69,0x6e,
+    0x64,0x65,0x78,0x3b,0x0a,0x53,0x48,0x41,0x33,0x5f,0x35,0x31,0x32,0x28,0x64,0x61,0x67,0x5f,0x6e,0x6f,0x64,0x65,0x2e,0x75,0x69,0x6e,0x74,0x32,0x73,0x2c,0x69,0x73,
+    0x6f,0x6c,0x61,0x74,0x65,0x29,0x3b,0x0a,0x66,0x6f,0x72,0x20,0x28,0x75,0x69,0x6e,0x74,0x20,0x69,0x3d,0x30,0x3b,0x20,0x69,0x21,0x3d,0x45,0x54,0x48,0x41,0x53,0x48,
+    0x5f,0x44,0x41,0x54,0x41,0x53,0x45,0x54,0x5f,0x50,0x41,0x52,0x45,0x4e,0x54,0x53,0x3b,0x20,0x2b,0x2b,0x69,0x29,0x0a,0x7b,0x0a,0x75,0x69,0x6e,0x74,0x20,0x70,0x61,
+    0x72,0x65,0x6e,0x74,0x5f,0x69,0x6e,0x64,0x65,0x78,0x3d,0x66,0x61,0x73,0x74,0x5f,0x6d,0x6f,0x64,0x28,0x66,0x6e,0x76,0x28,0x6e,0x6f,0x64,0x65,0x5f,0x69,0x6e,0x64,
+    0x65,0x78,0x5e,0x69,0x2c,0x64,0x61,0x67,0x5f,0x6e,0x6f,0x64,0x65,0x2e,0x77,0x6f,0x72,0x64,0x73,0x5b,0x69,0x20,0x25,0x20,0x4e,0x4f,0x44,0x45,0x5f,0x57,0x4f,0x52,
+    0x44,0x53,0x5d,0x29,0x2c,0x6c,0x69,0x67,0x68,0x74,0x5f,0x77,0x6f,0x72,0x64,0x73,0x29,0x3b,0x0a,0x66,0x6f,0x72,0x20,0x28,0x75,0x69,0x6e,0x74,0x20,0x77,0x3d,0x30,
+    0x3b,0x20,0x77,0x21,0x3d,0x34,0x3b,0x20,0x2b,0x2b,0x77,0x29,0x0a,0x64,0x61,0x67,0x5f,0x6e,0x6f,0x64,0x65,0x2e,0x75,0x69,0x6e,0x74,0x34,0x73,0x5b,0x77,0x5d,0x3d,
+    0x66,0x6e,0x76,0x34,0x28,0x64,0x61,0x67,0x5f,0x6e,0x6f,0x64,0x65,0x2e,0x75,0x69,0x6e,0x74,0x34,0x73,0x5b,0x77,0x5d,0x2c,0x67,0x5f,0x6c,0x69,0x67,0x68,0x74,0x5b,
+    0x70,0x61,0x72,0x65,0x6e,0x74,0x5f,0x69,0x6e,0x64,0x65,0x78,0x5d,0x2e,0x75,0x69,0x6e,0x74,0x34,0x73,0x5b,0x77,0x5d,0x29,0x3b,0x0a,0x7d,0x0a,0x53,0x48,0x41,0x33,
+    0x5f,0x35,0x31,0x32,0x28,0x64,0x61,0x67,0x5f,0x6e,0x6f,0x64,0x65,0x2e,0x75,0x69,0x6e,0x74,0x32,0x73,0x2c,0x69,0x73,0x6f,0x6c,0x61,0x74,0x65,0x29,0x3b,0x0a,0x63,
+    0x6f,0x70,0x79,0x28,0x67,0x5f,0x64,0x61,0x67,0x5b,0x6e,0x6f,0x64,0x65,0x5f,0x69,0x6e,0x64,0x65,0x78,0x5d,0x2e,0x75,0x69,0x6e,0x74,0x34,0x73,0x2c,0x64,0x61,0x67,
+    0x5f,0x6e,0x6f,0x64,0x65,0x2e,0x75,0x69,0x6e,0x74,0x34,0x73,0x2c,0x34,0x29,0x3b,0x0a,0x7d,0x0a,0x00
 };

 } // namespace xmrig
--- a/src/backend/opencl/cl/rx/randomx_cl.h
+++ b/src/backend/opencl/cl/rx/randomx_cl.h
--- a/src/backend/opencl/generators/ocl_generic_cn_generator.cpp
+++ b/src/backend/opencl/generators/ocl_generic_cn_generator.cpp
@@ -1,13 +1,8 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
+ * Copyright (c) 2018      Lee Clagett <https://github.com/vtnerd>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
@@ -23,7 +18,6 @@
 *   along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

-
 #include "backend/opencl/OclThreads.h"
 #include "backend/opencl/wrappers/OclDevice.h"
 #include "base/crypto/Algorithm.h"
@@ -36,31 +30,31 @@
 namespace xmrig {


-constexpr const size_t oneMiB = 1024u * 1024u;
+constexpr const size_t oneMiB = 1024U * 1024U;


 static inline uint32_t getMaxThreads(const OclDevice &device, const Algorithm &algorithm)
 {
    if (device.vendorId() == OCL_VENDOR_NVIDIA && (device.name().contains("P100") || device.name().contains("V100"))) {
-        return 40000u;
+        return 40000U;
    }

-    const uint32_t ratio = (algorithm.l3() <= oneMiB) ? 2u : 1u;
+    const uint32_t ratio = (algorithm.l3() <= oneMiB) ? 2U : 1U;

    if (device.vendorId() == OCL_VENDOR_INTEL) {
        return ratio * device.computeUnits() * 8;
    }

-    return ratio * 1000u;
+    return ratio * 1000U;
 }


 static inline uint32_t getPossibleIntensity(const OclDevice &device, const Algorithm &algorithm)
 {
    const uint32_t maxThreads   = getMaxThreads(device, algorithm);
-    const size_t minFreeMem     = (maxThreads == 40000u ? 512u : 128u) * oneMiB;
+    const size_t minFreeMem     = (maxThreads == 40000U ? 512U : 128U) * oneMiB;
    const size_t availableMem   = device.freeMemSize() - minFreeMem;
-    const size_t perThread      = algorithm.l3() + 224u;
+    const size_t perThread      = algorithm.l3() + 224U;
    const auto maxIntensity     = static_cast<uint32_t>(availableMem / perThread);

    return std::min<uint32_t>(maxThreads, maxIntensity);
@@ -98,7 +92,7 @@ static uint32_t getStridedIndex(const OclDevice &device, const Algorithm &algori
        return 0;
    }

-    return CnAlgo<>::base(algorithm) == Algorithm::CN_2 ? 2 : 1;
+    return algorithm.base() == Algorithm::CN_2 ? 2 : 1;
 }


--- a/src/backend/opencl/generators/ocl_vega_cn_generator.cpp
+++ b/src/backend/opencl/generators/ocl_vega_cn_generator.cpp
@@ -1,13 +1,6 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
@@ -23,7 +16,6 @@
 *   along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

-
 #include "backend/opencl/OclThreads.h"
 #include "backend/opencl/wrappers/OclDevice.h"
 #include "base/crypto/Algorithm.h"
@@ -36,7 +28,7 @@
 namespace xmrig {


-constexpr const size_t oneMiB = 1024u * 1024u;
+constexpr const size_t oneMiB = 1024U * 1024U;


 static inline bool isMatch(const OclDevice &device, const Algorithm &algorithm)
@@ -49,23 +41,23 @@ static inline bool isMatch(const OclDevice &device, const Algorithm &algorithm)

 static inline uint32_t getMaxThreads(const OclDevice &device, const Algorithm &algorithm)
 {
-    const uint32_t ratio = (algorithm.l3() <= oneMiB) ? 2u : 1u;
+    const uint32_t ratio = (algorithm.l3() <= oneMiB) ? 2U : 1U;

    if (device.type() == OclDevice::Vega_10) {
-        if (device.computeUnits() == 56 && algorithm.family() == Algorithm::CN && CnAlgo<>::base(algorithm) == Algorithm::CN_2) {
-            return 1792u;
+        if (device.computeUnits() == 56 && algorithm.family() == Algorithm::CN && algorithm.base() == Algorithm::CN_2) {
+            return 1792U;
        }
    }

-    return ratio * 2024u;
+    return ratio * 2024U;
 }


 static inline uint32_t getPossibleIntensity(const OclDevice &device, const Algorithm &algorithm)
 {
    const uint32_t maxThreads   = getMaxThreads(device, algorithm);
-    const size_t availableMem   = device.freeMemSize() - (128u * oneMiB);
-    const size_t perThread      = algorithm.l3() + 224u;
+    const size_t availableMem   = device.freeMemSize() - (128U * oneMiB);
+    const size_t perThread      = algorithm.l3() + 224U;
    const auto maxIntensity     = static_cast<uint32_t>(availableMem / perThread);

    return std::min<uint32_t>(maxThreads, maxIntensity);
@@ -88,27 +80,24 @@ static inline uint32_t getIntensity(const OclDevice &device, const Algorithm &al

 static inline uint32_t getWorksize(const Algorithm &algorithm)
 {
-    if (algorithm.family() == Algorithm::CN_PICO) {
+    const auto f = algorithm.family();
+    if (f == Algorithm::CN_PICO || f == Algorithm::CN_FEMTO) {
        return 64;
    }

-    if (CnAlgo<>::base(algorithm) == Algorithm::CN_2) {
-        return 16;
-    }
-
-    return 8;
+    return algorithm.base() == Algorithm::CN_2 ? 16 : 8;
 }


 static uint32_t getStridedIndex(const Algorithm &algorithm)
 {
-    return CnAlgo<>::base(algorithm) == Algorithm::CN_2 ? 2 : 1;
+    return algorithm.base() == Algorithm::CN_2 ? 2 : 1;
 }


 static inline uint32_t getMemChunk(const Algorithm &algorithm)
 {
-    return CnAlgo<>::base(algorithm) == Algorithm::CN_2 ? 1 : 2;
+    return algorithm.base() == Algorithm::CN_2 ? 1 : 2;
 }


--- a/src/backend/opencl/runners/OclCnRunner.cpp
+++ b/src/backend/opencl/runners/OclCnRunner.cpp
@@ -1,12 +1,6 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
@@ -22,7 +16,6 @@
 *   along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

-
 #include "backend/opencl/runners/OclCnRunner.h"
 #include "backend/opencl/kernels/Cn0Kernel.h"
 #include "backend/opencl/kernels/Cn1Kernel.h"
@@ -39,10 +32,12 @@
 xmrig::OclCnRunner::OclCnRunner(size_t index, const OclLaunchData &data) : OclBaseRunner(index, data)
 {
    uint32_t stridedIndex = data.thread.stridedIndex();
+    const auto f = m_algorithm.family();
+
    if (data.device.vendorId() == OCL_VENDOR_NVIDIA) {
        stridedIndex = 0;
    }
-    else if (stridedIndex == 1 && (m_algorithm.family() == Algorithm::CN_PICO || (m_algorithm.family() == Algorithm::CN && CnAlgo<>::base(m_algorithm) == Algorithm::CN_2))) {
+    else if (stridedIndex == 1 && (f == Algorithm::CN_PICO || f == Algorithm::CN_FEMTO || (f == Algorithm::CN && m_algorithm.base() == Algorithm::CN_2))) {
        stridedIndex = 2;
    }

@@ -50,10 +45,10 @@ xmrig::OclCnRunner::OclCnRunner(size_t index, const OclLaunchData &data) : OclBa
    m_options += " -DMASK="                 + std::to_string(CnAlgo<>::mask(m_algorithm)) + "U";
    m_options += " -DWORKSIZE="             + std::to_string(data.thread.worksize()) + "U";
    m_options += " -DSTRIDED_INDEX="        + std::to_string(stridedIndex) + "U";
-    m_options += " -DMEM_CHUNK_EXPONENT="   + std::to_string(1u << data.thread.memChunk()) + "U";
+    m_options += " -DMEM_CHUNK_EXPONENT="   + std::to_string(1U << data.thread.memChunk()) + "U";
    m_options += " -DMEMORY="               + std::to_string(m_algorithm.l3()) + "LU";
    m_options += " -DALGO="                 + std::to_string(m_algorithm.id());
-    m_options += " -DALGO_BASE="            + std::to_string(CnAlgo<>::base(m_algorithm));
+    m_options += " -DALGO_BASE="            + std::to_string(m_algorithm.base());
    m_options += " -DALGO_FAMILY="          + std::to_string(m_algorithm.family());
    m_options += " -DCN_UNROLL="            + std::to_string(data.thread.unrollFactor());
 }
@@ -94,7 +89,7 @@ void xmrig::OclCnRunner::run(uint32_t nonce, uint32_t *hashOutput)
    static const cl_uint zero = 0;

    const size_t w_size = data().thread.worksize();
-    const size_t g_thd  = ((m_intensity + w_size - 1u) / w_size) * w_size;
+    const size_t g_thd  = ((m_intensity + w_size - 1U) / w_size) * w_size;

    assert(g_thd % w_size == 0);

--- a/src/backend/opencl/runners/OclCnRunner.h
+++ b/src/backend/opencl/runners/OclCnRunner.h
@@ -1,12 +1,6 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
--- a/src/base/base.cmake
+++ b/src/base/base.cmake
@@ -70,8 +70,15 @@ set(HEADERS_BASE
    src/base/net/tools/Storage.h
    src/base/tools/Arguments.h
    src/base/tools/Baton.h
+    src/base/tools/bswap_64.h
    src/base/tools/Buffer.h
    src/base/tools/Chrono.h
+    src/base/tools/cryptonote/BlobReader.h
+    src/base/tools/cryptonote/BlockTemplate.h
+    src/base/tools/cryptonote/crypto-ops.h
+    src/base/tools/cryptonote/Signatures.h
+    src/base/tools/cryptonote/umul128.h
+    src/base/tools/cryptonote/WalletAddress.h
    src/base/tools/Cvt.h
    src/base/tools/Handle.h
    src/base/tools/String.h
@@ -126,6 +133,11 @@ set(SOURCES_BASE
    src/base/tools/Cvt.cpp
    src/base/tools/String.cpp
    src/base/tools/Timer.cpp
+    src/base/tools/cryptonote/BlockTemplate.cpp
+    src/base/tools/cryptonote/Signatures.cpp
+    src/base/tools/cryptonote/WalletAddress.cpp
+    src/base/tools/cryptonote/crypto-ops.c
+    src/base/tools/cryptonote/crypto-ops-data.c
   )


--- a/src/base/crypto/Algorithm.cpp
+++ b/src/base/crypto/Algorithm.cpp
@@ -1,13 +1,7 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018      Lee Clagett <https://github.com/vtnerd>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
@@ -23,15 +17,15 @@
 *   along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

-
 #include "base/crypto/Algorithm.h"
 #include "3rdparty/rapidjson/document.h"
+#include "base/tools/String.h"


 #include <cassert>
 #include <cstdio>
 #include <cstdlib>
-#include <cstring>
+#include <map>


 #ifdef _MSC_VER
@@ -42,93 +36,249 @@
 namespace xmrig {


-struct AlgoName
-{
-    const char *name;
-    const char *shortName;
-    const Algorithm::Id id;
+const char *Algorithm::kINVALID         = "invalid";
+const char *Algorithm::kCN              = "cn";
+const char *Algorithm::kCN_0            = "cn/0";
+const char *Algorithm::kCN_1            = "cn/1";
+const char *Algorithm::kCN_2            = "cn/2";
+const char *Algorithm::kCN_R            = "cn/r";
+const char *Algorithm::kCN_FAST         = "cn/fast";
+const char *Algorithm::kCN_HALF         = "cn/half";
+const char *Algorithm::kCN_XAO          = "cn/xao";
+const char *Algorithm::kCN_RTO          = "cn/rto";
+const char *Algorithm::kCN_RWZ          = "cn/rwz";
+const char *Algorithm::kCN_ZLS          = "cn/zls";
+const char *Algorithm::kCN_DOUBLE       = "cn/double";
+const char *Algorithm::kCN_CCX          = "cn/ccx";
+
+#ifdef XMRIG_ALGO_CN_LITE
+const char *Algorithm::kCN_LITE         = "cn-lite";
+const char *Algorithm::kCN_LITE_0       = "cn-lite/0";
+const char *Algorithm::kCN_LITE_1       = "cn-lite/1";
+#endif
+
+#ifdef XMRIG_ALGO_CN_HEAVY
+const char *Algorithm::kCN_HEAVY        = "cn-heavy";
+const char *Algorithm::kCN_HEAVY_0      = "cn-heavy/0";
+const char *Algorithm::kCN_HEAVY_TUBE   = "cn-heavy/tube";
+const char *Algorithm::kCN_HEAVY_XHV    = "cn-heavy/xhv";
+#endif
+
+#ifdef XMRIG_ALGO_CN_PICO
+const char *Algorithm::kCN_PICO         = "cn-pico";
+const char *Algorithm::kCN_PICO_0       = "cn-pico";
+const char *Algorithm::kCN_PICO_TLO     = "cn-pico/tlo";
+#endif
+
+#ifdef XMRIG_ALGO_CN_FEMTO
+const char *Algorithm::kCN_UPX2         = "cn/upx2";
+#endif
+
+#ifdef XMRIG_ALGO_RANDOMX
+const char *Algorithm::kRX              = "rx";
+const char *Algorithm::kRX_0            = "rx/0";
+const char *Algorithm::kRX_WOW          = "rx/wow";
+const char *Algorithm::kRX_ARQ          = "rx/arq";
+const char *Algorithm::kRX_SFX          = "rx/sfx";
+const char *Algorithm::kRX_KEVA         = "rx/keva";
+#endif
+
+#ifdef XMRIG_ALGO_ARGON2
+const char *Algorithm::kAR2             = "argon2";
+const char *Algorithm::kAR2_CHUKWA      = "argon2/chukwa";
+const char *Algorithm::kAR2_CHUKWA_V2   = "argon2/chukwav2";
+const char *Algorithm::kAR2_WRKZ        = "argon2/ninja";
+#endif
+
+#ifdef XMRIG_ALGO_ASTROBWT
+const char *Algorithm::kASTROBWT        = "astrobwt";
+const char *Algorithm::kASTROBWT_DERO   = "astrobwt";
+#endif
+
+#ifdef XMRIG_ALGO_KAWPOW
+const char *Algorithm::kKAWPOW          = "kawpow";
+const char *Algorithm::kKAWPOW_RVN      = "kawpow";
+#endif
+
+
+#define ALGO_NAME(ALGO)         { Algorithm::ALGO, Algorithm::k##ALGO }
+#define ALGO_ALIAS(ALGO, NAME)  { NAME, Algorithm::ALGO }
+#define ALGO_ALIAS_AUTO(ALGO)   { Algorithm::k##ALGO, Algorithm::ALGO }
+
+
+#ifdef _MSC_VER
+#   define strcasecmp _stricmp
+#endif
+
+
+static const std::map<uint32_t, const char *> kAlgorithmNames = {
+    ALGO_NAME(CN_0),
+    ALGO_NAME(CN_1),
+    ALGO_NAME(CN_2),
+    ALGO_NAME(CN_R),
+    ALGO_NAME(CN_FAST),
+    ALGO_NAME(CN_HALF),
+    ALGO_NAME(CN_XAO),
+    ALGO_NAME(CN_RTO),
+    ALGO_NAME(CN_RWZ),
+    ALGO_NAME(CN_ZLS),
+    ALGO_NAME(CN_DOUBLE),
+    ALGO_NAME(CN_CCX),
+
+#   ifdef XMRIG_ALGO_CN_LITE
+    ALGO_NAME(CN_LITE_0),
+    ALGO_NAME(CN_LITE_1),
+#   endif
+
+#   ifdef XMRIG_ALGO_CN_HEAVY
+    ALGO_NAME(CN_HEAVY_0),
+    ALGO_NAME(CN_HEAVY_TUBE),
+    ALGO_NAME(CN_HEAVY_XHV),
+#   endif
+
+#   ifdef XMRIG_ALGO_CN_PICO
+    ALGO_NAME(CN_PICO_0),
+    ALGO_NAME(CN_PICO_TLO),
+#   endif
+
+#   ifdef XMRIG_ALGO_CN_FEMTO
+    ALGO_NAME(CN_UPX2),
+#   endif
+
+#   ifdef XMRIG_ALGO_RANDOMX
+    ALGO_NAME(RX_0),
+    ALGO_NAME(RX_WOW),
+    ALGO_NAME(RX_ARQ),
+    ALGO_NAME(RX_SFX),
+    ALGO_NAME(RX_KEVA),
+#   endif
+
+#   ifdef XMRIG_ALGO_ARGON2
+    ALGO_NAME(AR2_CHUKWA),
+    ALGO_NAME(AR2_CHUKWA_V2),
+    ALGO_NAME(AR2_WRKZ),
+#   endif
+
+#   ifdef XMRIG_ALGO_ASTROBWT
+    ALGO_NAME(ASTROBWT_DERO),
+#   endif
+
+#   ifdef XMRIG_ALGO_KAWPOW
+    ALGO_NAME(KAWPOW_RVN),
+#   endif
 };


-static AlgoName const algorithm_names[] = {
-    { "cryptonight/0",             "cn/0",             Algorithm::CN_0            },
-    { "cryptonight",               "cn",               Algorithm::CN_0            },
-    { "cryptonight/1",             "cn/1",             Algorithm::CN_1            },
-    { "cryptonight-monerov7",      nullptr,            Algorithm::CN_1            },
-    { "cryptonight_v7",            nullptr,            Algorithm::CN_1            },
-    { "cryptonight/2",             "cn/2",             Algorithm::CN_2            },
-    { "cryptonight-monerov8",      nullptr,            Algorithm::CN_2            },
-    { "cryptonight_v8",            nullptr,            Algorithm::CN_2            },
-    { "cryptonight/r",             "cn/r",             Algorithm::CN_R            },
-    { "cryptonight_r",             nullptr,            Algorithm::CN_R            },
-    { "cryptonight/fast",          "cn/fast",          Algorithm::CN_FAST         },
-    { "cryptonight/msr",           "cn/msr",           Algorithm::CN_FAST         },
-    { "cryptonight/half",          "cn/half",          Algorithm::CN_HALF         },
-    { "cryptonight/xao",           "cn/xao",           Algorithm::CN_XAO          },
-    { "cryptonight_alloy",         nullptr,            Algorithm::CN_XAO          },
-    { "cryptonight/rto",           "cn/rto",           Algorithm::CN_RTO          },
-    { "cryptonight/rwz",           "cn/rwz",           Algorithm::CN_RWZ          },
-    { "cryptonight/zls",           "cn/zls",           Algorithm::CN_ZLS          },
-    { "cryptonight/double",        "cn/double",        Algorithm::CN_DOUBLE       },
+struct aliasCompare
+{
+   inline bool operator()(const char *a, const char *b) const   { return strcasecmp(a, b) < 0; }
+};
+
+
+static const std::map<const char *, Algorithm::Id, aliasCompare> kAlgorithmAliases = {
+    ALGO_ALIAS_AUTO(CN_0),          ALGO_ALIAS(CN_0,            "cryptonight/0"),
+                                    ALGO_ALIAS(CN_0,            "cryptonight"),
+                                    ALGO_ALIAS(CN_0,            "cn"),
+    ALGO_ALIAS_AUTO(CN_1),          ALGO_ALIAS(CN_1,            "cryptonight/1"),
+                                    ALGO_ALIAS(CN_1,            "cryptonight-monerov7"),
+                                    ALGO_ALIAS(CN_1,            "cryptonight_v7"),
+    ALGO_ALIAS_AUTO(CN_2),          ALGO_ALIAS(CN_2,            "cryptonight/2"),
+                                    ALGO_ALIAS(CN_2,            "cryptonight-monerov8"),
+                                    ALGO_ALIAS(CN_2,            "cryptonight_v8"),
+    ALGO_ALIAS_AUTO(CN_FAST),       ALGO_ALIAS(CN_FAST,         "cryptonight/fast"),
+                                    ALGO_ALIAS(CN_FAST,         "cryptonight/msr"),
+                                    ALGO_ALIAS(CN_FAST,         "cn/msr"),
+    ALGO_ALIAS_AUTO(CN_R),          ALGO_ALIAS(CN_R,            "cryptonight/r"),
+                                    ALGO_ALIAS(CN_R,            "cryptonight_r"),
+    ALGO_ALIAS_AUTO(CN_XAO),        ALGO_ALIAS(CN_XAO,          "cryptonight/xao"),
+                                    ALGO_ALIAS(CN_XAO,          "cryptonight_alloy"),
+    ALGO_ALIAS_AUTO(CN_HALF),       ALGO_ALIAS(CN_HALF,         "cryptonight/half"),
+    ALGO_ALIAS_AUTO(CN_RTO),        ALGO_ALIAS(CN_RTO,          "cryptonight/rto"),
+    ALGO_ALIAS_AUTO(CN_RWZ),        ALGO_ALIAS(CN_RWZ,          "cryptonight/rwz"),
+    ALGO_ALIAS_AUTO(CN_ZLS),        ALGO_ALIAS(CN_ZLS,          "cryptonight/zls"),
+    ALGO_ALIAS_AUTO(CN_DOUBLE),     ALGO_ALIAS(CN_DOUBLE,       "cryptonight/double"),
+    ALGO_ALIAS_AUTO(CN_CCX),        ALGO_ALIAS(CN_CCX,          "cryptonight/ccx"),
+                                    ALGO_ALIAS(CN_CCX,          "cryptonight/conceal"),
+                                    ALGO_ALIAS(CN_CCX,          "cn/conceal"),
+
 #   ifdef XMRIG_ALGO_CN_LITE
-    { "cryptonight-lite/0",        "cn-lite/0",        Algorithm::CN_LITE_0       },
-    { "cryptonight-lite/1",        "cn-lite/1",        Algorithm::CN_LITE_1       },
-    { "cryptonight-lite",          "cn-lite",          Algorithm::CN_LITE_1       },
-    { "cryptonight-light",         "cn-light",         Algorithm::CN_LITE_1       },
-    { "cryptonight_lite",          nullptr,            Algorithm::CN_LITE_1       },
-    { "cryptonight-aeonv7",        nullptr,            Algorithm::CN_LITE_1       },
-    { "cryptonight_lite_v7",       nullptr,            Algorithm::CN_LITE_1       },
+    ALGO_ALIAS_AUTO(CN_LITE_0),     ALGO_ALIAS(CN_LITE_0,       "cryptonight-lite/0"),
+                                    ALGO_ALIAS(CN_LITE_0,       "cryptonight-lite"),
+                                    ALGO_ALIAS(CN_LITE_0,       "cryptonight-light"),
+                                    ALGO_ALIAS(CN_LITE_0,       "cn-lite"),
+                                    ALGO_ALIAS(CN_LITE_0,       "cn-light"),
+                                    ALGO_ALIAS(CN_LITE_0,       "cryptonight_lite"),
+    ALGO_ALIAS_AUTO(CN_LITE_1),     ALGO_ALIAS(CN_LITE_1,       "cryptonight-lite/1"),
+                                    ALGO_ALIAS(CN_LITE_1,       "cryptonight-aeonv7"),
+                                    ALGO_ALIAS(CN_LITE_1,       "cryptonight_lite_v7"),
 #   endif
+
 #   ifdef XMRIG_ALGO_CN_HEAVY
-    { "cryptonight-heavy/0",       "cn-heavy/0",       Algorithm::CN_HEAVY_0      },
-    { "cryptonight-heavy",         "cn-heavy",         Algorithm::CN_HEAVY_0      },
-    { "cryptonight_heavy",         nullptr,            Algorithm::CN_HEAVY_0      },
-    { "cryptonight-heavy/xhv",     "cn-heavy/xhv",     Algorithm::CN_HEAVY_XHV    },
-    { "cryptonight_haven",         nullptr,            Algorithm::CN_HEAVY_XHV    },
-    { "cryptonight-heavy/tube",    "cn-heavy/tube",    Algorithm::CN_HEAVY_TUBE   },
-    { "cryptonight-bittube2",      nullptr,            Algorithm::CN_HEAVY_TUBE   },
+    ALGO_ALIAS_AUTO(CN_HEAVY_0),    ALGO_ALIAS(CN_HEAVY_0,      "cryptonight-heavy/0"),
+                                    ALGO_ALIAS(CN_HEAVY_0,      "cryptonight-heavy"),
+                                    ALGO_ALIAS(CN_HEAVY_0,      "cn-heavy"),
+                                    ALGO_ALIAS(CN_HEAVY_0,      "cryptonight_heavy"),
+    ALGO_ALIAS_AUTO(CN_HEAVY_XHV),  ALGO_ALIAS(CN_HEAVY_XHV,    "cryptonight-heavy/xhv"),
+                                    ALGO_ALIAS(CN_HEAVY_XHV,    "cryptonight_haven"),
+    ALGO_ALIAS_AUTO(CN_HEAVY_TUBE), ALGO_ALIAS(CN_HEAVY_TUBE,   "cryptonight-heavy/tube"),
+                                    ALGO_ALIAS(CN_HEAVY_TUBE,   "cryptonight-bittube2"),
 #   endif
+
 #   ifdef XMRIG_ALGO_CN_PICO
-    { "cryptonight-pico",          "cn-pico",          Algorithm::CN_PICO_0       },
-    { "cryptonight-pico/trtl",     "cn-pico/trtl",     Algorithm::CN_PICO_0       },
-    { "cryptonight-turtle",        "cn-trtl",          Algorithm::CN_PICO_0       },
-    { "cryptonight-ultralite",     "cn-ultralite",     Algorithm::CN_PICO_0       },
-    { "cryptonight_turtle",        "cn_turtle",        Algorithm::CN_PICO_0       },
-    { "cryptonight-pico/tlo",      "cn-pico/tlo",      Algorithm::CN_PICO_TLO     },
-    { "cryptonight/ultra",         "cn/ultra",         Algorithm::CN_PICO_TLO     },
-    { "cryptonight-talleo",        "cn-talleo",        Algorithm::CN_PICO_TLO     },
-    { "cryptonight_talleo",        "cn_talleo",        Algorithm::CN_PICO_TLO     },
+    ALGO_ALIAS_AUTO(CN_PICO_0),     ALGO_ALIAS(CN_PICO_0,       "cryptonight-pico"),
+                                    ALGO_ALIAS(CN_PICO_0,       "cn-pico/0"),
+                                    ALGO_ALIAS(CN_PICO_0,       "cryptonight-pico/trtl"),
+                                    ALGO_ALIAS(CN_PICO_0,       "cn-pico/trtl"),
+                                    ALGO_ALIAS(CN_PICO_0,       "cryptonight-turtle"),
+                                    ALGO_ALIAS(CN_PICO_0,       "cn-trtl"),
+                                    ALGO_ALIAS(CN_PICO_0,       "cryptonight-ultralite"),
+                                    ALGO_ALIAS(CN_PICO_0,       "cn-ultralite"),
+                                    ALGO_ALIAS(CN_PICO_0,       "cryptonight_turtle"),
+                                    ALGO_ALIAS(CN_PICO_0,       "cn_turtle"),
+    ALGO_ALIAS_AUTO(CN_PICO_TLO),   ALGO_ALIAS(CN_PICO_TLO,     "cryptonight-pico/tlo"),
+                                    ALGO_ALIAS(CN_PICO_TLO,     "cryptonight/ultra"),
+                                    ALGO_ALIAS(CN_PICO_TLO,     "cn/ultra"),
+                                    ALGO_ALIAS(CN_PICO_TLO,     "cryptonight-talleo"),
+                                    ALGO_ALIAS(CN_PICO_TLO,     "cn-talleo"),
+                                    ALGO_ALIAS(CN_PICO_TLO,     "cryptonight_talleo"),
+                                    ALGO_ALIAS(CN_PICO_TLO,     "cn_talleo"),
 #   endif
+
+#   ifdef XMRIG_ALGO_CN_FEMTO
+    ALGO_ALIAS_AUTO(CN_UPX2),       ALGO_ALIAS(CN_UPX2,         "cryptonight/upx2"),
+                                    ALGO_ALIAS(CN_UPX2,         "cn-extremelite/upx2"),
+                                    ALGO_ALIAS(CN_UPX2,         "cryptonight-upx/2"),
+#   endif
+
 #   ifdef XMRIG_ALGO_RANDOMX
-    { "randomx/0",                 "rx/0",             Algorithm::RX_0            },
-    { "randomx/test",              "rx/test",          Algorithm::RX_0            },
-    { "RandomX",                   "rx",               Algorithm::RX_0            },
-    { "randomx/wow",               "rx/wow",           Algorithm::RX_WOW          },
-    { "RandomWOW",                 nullptr,            Algorithm::RX_WOW          },
-    { "randomx/arq",               "rx/arq",           Algorithm::RX_ARQ          },
-    { "RandomARQ",                 nullptr,            Algorithm::RX_ARQ          },
-    { "randomx/sfx",               "rx/sfx",           Algorithm::RX_SFX          },
-    { "RandomSFX",                 nullptr,            Algorithm::RX_SFX          },
-    { "randomx/keva",              "rx/keva",          Algorithm::RX_KEVA         },
-    { "RandomKEVA",                nullptr,            Algorithm::RX_KEVA         },
+    ALGO_ALIAS_AUTO(RX_0),          ALGO_ALIAS(RX_0,            "randomx/0"),
+                                    ALGO_ALIAS(RX_0,            "randomx/test"),
+                                    ALGO_ALIAS(RX_0,            "rx/test"),
+                                    ALGO_ALIAS(RX_0,            "randomx"),
+                                    ALGO_ALIAS(RX_0,            "rx"),
+    ALGO_ALIAS_AUTO(RX_WOW),        ALGO_ALIAS(RX_WOW,          "randomx/wow"),
+                                    ALGO_ALIAS(RX_WOW,          "randomwow"),
+    ALGO_ALIAS_AUTO(RX_ARQ),        ALGO_ALIAS(RX_ARQ,          "randomx/arq"),
+                                    ALGO_ALIAS(RX_ARQ,          "randomarq"),
+    ALGO_ALIAS_AUTO(RX_SFX),        ALGO_ALIAS(RX_SFX,          "randomx/sfx"),
+                                    ALGO_ALIAS(RX_SFX,          "randomsfx"),
+    ALGO_ALIAS_AUTO(RX_KEVA),       ALGO_ALIAS(RX_KEVA,         "randomx/keva"),
+                                    ALGO_ALIAS(RX_KEVA,         "randomkeva"),
 #   endif
+
 #   ifdef XMRIG_ALGO_ARGON2
-    { "argon2/chukwa",             nullptr,            Algorithm::AR2_CHUKWA      },
-    { "chukwa",                    nullptr,            Algorithm::AR2_CHUKWA      },
-    { "argon2/chukwav2",           nullptr,            Algorithm::AR2_CHUKWA_V2   },
-    { "chukwav2",                  nullptr,            Algorithm::AR2_CHUKWA_V2   },
-    { "argon2/wrkz",               nullptr,            Algorithm::AR2_WRKZ        },
+    ALGO_ALIAS_AUTO(AR2_CHUKWA),    ALGO_ALIAS(AR2_CHUKWA,      "chukwa"),
+    ALGO_ALIAS_AUTO(AR2_CHUKWA_V2), ALGO_ALIAS(AR2_CHUKWA,      "chukwav2"),
+    ALGO_ALIAS_AUTO(AR2_WRKZ),      ALGO_ALIAS(AR2_WRKZ,        "argon2/wrkz"),
 #   endif
+
 #   ifdef XMRIG_ALGO_ASTROBWT
-    { "astrobwt",                  nullptr,            Algorithm::ASTROBWT_DERO   },
-    { "astrobwt/dero",             nullptr,            Algorithm::ASTROBWT_DERO   },
+    ALGO_ALIAS_AUTO(ASTROBWT_DERO), ALGO_ALIAS(ASTROBWT_DERO,   "astrobwt/dero"),
 #   endif
+
 #   ifdef XMRIG_ALGO_KAWPOW
-    { "kawpow",                    nullptr,            Algorithm::KAWPOW_RVN      },
-    { "kawpow/rvn",                nullptr,            Algorithm::KAWPOW_RVN      },
+    ALGO_ALIAS_AUTO(KAWPOW_RVN),    ALGO_ALIAS(KAWPOW_RVN,      "kawpow/rvn"),
 #   endif
-    { "cryptonight/ccx",           "cn/ccx",           Algorithm::CN_CCX          },
-    { "cryptonight/conceal",       "cn/conceal",       Algorithm::CN_CCX          },
 };


@@ -141,11 +291,30 @@ xmrig::Algorithm::Algorithm(const rapidjson::Value &value) :
 }


+xmrig::Algorithm::Algorithm(uint32_t id) :
+    m_id(kAlgorithmNames.count(id) ? static_cast<Id>(id) : INVALID)
+{
+}
+
+
+const char *xmrig::Algorithm::name() const
+{
+    if (!isValid()) {
+        return kINVALID;
+    }
+
+    assert(kAlgorithmNames.count(m_id));
+    const auto it = kAlgorithmNames.find(m_id);
+
+    return it != kAlgorithmNames.end() ? it->second : kINVALID;
+}
+
+
 rapidjson::Value xmrig::Algorithm::toJSON() const
 {
    using namespace rapidjson;

-    return isValid() ? Value(StringRef(shortName())) : Value(kNullType);
+    return isValid() ? Value(StringRef(name())) : Value(kNullType);
 }


@@ -155,237 +324,46 @@ rapidjson::Value xmrig::Algorithm::toJSON(rapidjson::Document &) const
 }


-size_t xmrig::Algorithm::l2() const
-{
-#   ifdef XMRIG_ALGO_RANDOMX
-    switch (m_id) {
-    case RX_0:
-    case RX_SFX:
-        return 0x40000;
-
-    case RX_WOW:
-    case RX_KEVA:
-        return 0x20000;
-
-    case RX_ARQ:
-        return 0x10000;
-
-    default:
-        break;
-    }
-#   endif
-
-    return 0;
-}
-
-
-size_t xmrig::Algorithm::l3() const
-{
-    constexpr size_t oneMiB = 0x100000;
-
-    const auto f = family();
-    assert(f != UNKNOWN);
-
-    switch (f) {
-    case CN:
-        return oneMiB * 2;
-
-    case CN_LITE:
-        return oneMiB;
-
-    case CN_HEAVY:
-        return oneMiB * 4;
-
-    case CN_PICO:
-        return oneMiB / 4;
-
-    default:
-        break;
-    }
-
-#   ifdef XMRIG_ALGO_RANDOMX
-    if (f == RANDOM_X) {
-        switch (m_id) {
-        case RX_0:
-        case RX_SFX:
-            return oneMiB * 2;
-
-        case RX_WOW:
-        case RX_KEVA:
-            return oneMiB;
-
-        case RX_ARQ:
-            return oneMiB / 4;
-
-        default:
-            break;
-        }
-    }
-#   endif
-
-#   ifdef XMRIG_ALGO_ARGON2
-    if (f == ARGON2) {
-        switch (m_id) {
-        case AR2_CHUKWA:
-            return oneMiB / 2;
-
-        case AR2_CHUKWA_V2:
-            return oneMiB;
-
-        case AR2_WRKZ:
-            return oneMiB / 4;
-
-        default:
-            break;
-        }
-    }
-#   endif
-
-#   ifdef XMRIG_ALGO_ASTROBWT
-    if (f == ASTROBWT) {
-        switch (m_id) {
-        case ASTROBWT_DERO:
-            return oneMiB * 20;
-
-        default:
-            break;
-        }
-    }
-#   endif
-
-#   ifdef XMRIG_ALGO_KAWPOW
-    if (f == KAWPOW) {
-        switch (m_id) {
-        case KAWPOW_RVN:
-            return 32768;
-
-        default:
-            break;
-        }
-    }
-#   endif
-
-    return 0;
-}
-
-
-uint32_t xmrig::Algorithm::maxIntensity() const
-{
-#   ifdef XMRIG_ALGO_RANDOMX
-    if (family() == RANDOM_X) {
-        return 1;
-    }
-#   endif
-
-#   ifdef XMRIG_ALGO_ARGON2
-    if (family() == ARGON2) {
-        return 1;
-    }
-#   endif
-
-#   ifdef XMRIG_ALGO_ASTROBWT
-    if (family() == ASTROBWT) {
-        return 1;
-    }
-#   endif
-
-    return 5;
-}
-
-
-xmrig::Algorithm::Family xmrig::Algorithm::family(Id id)
-{
-    switch (id) {
-    case CN_0:
-    case CN_1:
-    case CN_2:
-    case CN_R:
-    case CN_FAST:
-    case CN_HALF:
-    case CN_XAO:
-    case CN_RTO:
-    case CN_RWZ:
-    case CN_ZLS:
-    case CN_DOUBLE:
-    case CN_CCX:
-        return CN;
-
-#   ifdef XMRIG_ALGO_CN_LITE
-    case CN_LITE_0:
-    case CN_LITE_1:
-        return CN_LITE;
-#   endif
-
-#   ifdef XMRIG_ALGO_CN_HEAVY
-    case CN_HEAVY_0:
-    case CN_HEAVY_TUBE:
-    case CN_HEAVY_XHV:
-        return CN_HEAVY;
-#   endif
-
-#   ifdef XMRIG_ALGO_CN_PICO
-    case CN_PICO_0:
-    case CN_PICO_TLO:
-        return CN_PICO;
-#   endif
-
-#   ifdef XMRIG_ALGO_RANDOMX
-    case RX_0:
-    case RX_WOW:
-    case RX_ARQ:
-    case RX_SFX:
-    case RX_KEVA:
-        return RANDOM_X;
-#   endif
-
-#   ifdef XMRIG_ALGO_ARGON2
-    case AR2_CHUKWA:
-    case AR2_CHUKWA_V2:
-    case AR2_WRKZ:
-        return ARGON2;
-#   endif
-
-#   ifdef XMRIG_ALGO_ASTROBWT
-    case ASTROBWT_DERO:
-        return ASTROBWT;
-#   endif
-
-#   ifdef XMRIG_ALGO_KAWPOW
-    case KAWPOW_RVN:
-        return KAWPOW;
-#   endif
-
-    default:
-        break;
-    }
-
-    return UNKNOWN;
-}
-
-
 xmrig::Algorithm::Id xmrig::Algorithm::parse(const char *name)
 {
    if (name == nullptr || strlen(name) < 1) {
        return INVALID;
    }

-    for (const AlgoName &item : algorithm_names) {
-        if ((strcasecmp(name, item.name) == 0) || (item.shortName != nullptr && strcasecmp(name, item.shortName) == 0)) {
-            return item.id;
-        }
-    }
+    const auto it = kAlgorithmAliases.find(name);

-    return INVALID;
+    return it != kAlgorithmAliases.end() ? it->second : INVALID;
 }


-const char *xmrig::Algorithm::name(bool shortName) const
+size_t xmrig::Algorithm::count()
 {
-    for (const AlgoName &item : algorithm_names) {
-        if (item.id == m_id) {
-            return (shortName && item.shortName) ? item.shortName : item.name;
+    return kAlgorithmNames.size();
+}
+
+
+std::vector<xmrig::Algorithm> xmrig::Algorithm::all(const std::function<bool(const Algorithm &algo)> &filter)
+{
+    static const std::vector<Id> order = {
+        CN_0, CN_1, CN_2, CN_R, CN_FAST, CN_HALF, CN_XAO, CN_RTO, CN_RWZ, CN_ZLS, CN_DOUBLE, CN_CCX,
+        CN_LITE_0, CN_LITE_1,
+        CN_HEAVY_0, CN_HEAVY_TUBE, CN_HEAVY_XHV,
+        CN_PICO_0, CN_PICO_TLO,
+        CN_UPX2,
+        RX_0, RX_WOW, RX_ARQ, RX_SFX, RX_KEVA,
+        AR2_CHUKWA, AR2_CHUKWA_V2, AR2_WRKZ,
+        ASTROBWT_DERO,
+        KAWPOW_RVN
+    };
+
+    Algorithms out;
+    out.reserve(count());
+
+    for (const Id algo : order) {
+        if (kAlgorithmNames.count(algo) && (!filter || filter(algo))) {
+            out.emplace_back(algo);
        }
    }

-    return "invalid";
+    return out;
 }
--- a/src/base/crypto/Algorithm.h
+++ b/src/base/crypto/Algorithm.h
@@ -1,13 +1,7 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018      Lee Clagett <https://github.com/vtnerd>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
@@ -27,6 +21,7 @@
 #define XMRIG_ALGORITHM_H


+#include <functional>
 #include <vector>


@@ -39,87 +34,172 @@ namespace xmrig {
 class Algorithm
 {
 public:
-    // Changes in following file is required if this enum changed:
+    // Changes in following file may required if this enum changed:
    //
    // src/backend/opencl/cl/cn/algorithm.cl
    //
-    enum Id : int {
-        INVALID = -1,
-        CN_0,          // "cn/0"             CryptoNight (original).
-        CN_1,          // "cn/1"             CryptoNight variant 1 also known as Monero7 and CryptoNightV7.
-        CN_2,          // "cn/2"             CryptoNight variant 2.
-        CN_R,          // "cn/r"             CryptoNightR (Monero's variant 4).
-        CN_FAST,       // "cn/fast"          CryptoNight variant 1 with half iterations.
-        CN_HALF,       // "cn/half"          CryptoNight variant 2 with half iterations (Masari/Torque).
-        CN_XAO,        // "cn/xao"           CryptoNight variant 0 (modified, Alloy only).
-        CN_RTO,        // "cn/rto"           CryptoNight variant 1 (modified, Arto only).
-        CN_RWZ,        // "cn/rwz"           CryptoNight variant 2 with 3/4 iterations and reversed shuffle operation (Graft).
-        CN_ZLS,        // "cn/zls"           CryptoNight variant 2 with 3/4 iterations (Zelerius).
-        CN_DOUBLE,     // "cn/double"        CryptoNight variant 2 with double iterations (X-CASH).
-        CN_LITE_0,     // "cn-lite/0"        CryptoNight-Lite variant 0.
-        CN_LITE_1,     // "cn-lite/1"        CryptoNight-Lite variant 1.
-        CN_HEAVY_0,    // "cn-heavy/0"       CryptoNight-Heavy (4 MB).
-        CN_HEAVY_TUBE, // "cn-heavy/tube"    CryptoNight-Heavy (modified, TUBE only).
-        CN_HEAVY_XHV,  // "cn-heavy/xhv"     CryptoNight-Heavy (modified, Haven Protocol only).
-        CN_PICO_0,     // "cn-pico"          CryptoNight-Pico
-        CN_PICO_TLO,   // "cn-pico/tlo"      CryptoNight-Pico (TLO)
-        CN_CCX,        // "cn/ccx"           Conceal (CCX)
-        RX_0,          // "rx/0"             RandomX (reference configuration).
-        RX_WOW,        // "rx/wow"           RandomWOW (Wownero).
-        RX_ARQ,        // "rx/arq"           RandomARQ (Arqma).
-        RX_SFX,        // "rx/sfx"           RandomSFX (Safex Cash).
-        RX_KEVA,       // "rx/keva"          RandomKEVA (Keva).
-        AR2_CHUKWA,    // "argon2/chukwa"    Argon2id (Chukwa).
-        AR2_CHUKWA_V2, // "argon2/chukwav2"  Argon2id (Chukwa v2).
-        AR2_WRKZ,      // "argon2/wrkz"      Argon2id (WRKZ)
-        ASTROBWT_DERO, // "astrobwt"         AstroBWT (Dero)
-        KAWPOW_RVN,    // "kawpow/rvn"       KawPow (RVN)
-        MAX
+    // Id encoding:
+    // 1 byte: family
+    // 1 byte: L3 memory as power of 2 (if applicable).
+    // 1 byte: L2 memory for RandomX algorithms as power of 2, base variant for CryptoNight algorithms or 0x00.
+    // 1 byte: extra variant (coin) id.
+    enum Id : uint32_t {
+        INVALID         = 0,
+        CN_0            = 0x63150000,   // "cn/0"             CryptoNight (original).
+        CN_1            = 0x63150100,   // "cn/1"             CryptoNight variant 1 also known as Monero7 and CryptoNightV7.
+        CN_2            = 0x63150200,   // "cn/2"             CryptoNight variant 2.
+        CN_R            = 0x63150272,   // "cn/r"             CryptoNightR (Monero's variant 4).
+        CN_FAST         = 0x63150166,   // "cn/fast"          CryptoNight variant 1 with half iterations.
+        CN_HALF         = 0x63150268,   // "cn/half"          CryptoNight variant 2 with half iterations (Masari/Torque).
+        CN_XAO          = 0x63150078,   // "cn/xao"           CryptoNight variant 0 (modified, Alloy only).
+        CN_RTO          = 0x63150172,   // "cn/rto"           CryptoNight variant 1 (modified, Arto only).
+        CN_RWZ          = 0x63150277,   // "cn/rwz"           CryptoNight variant 2 with 3/4 iterations and reversed shuffle operation (Graft).
+        CN_ZLS          = 0x6315027a,   // "cn/zls"           CryptoNight variant 2 with 3/4 iterations (Zelerius).
+        CN_DOUBLE       = 0x63150264,   // "cn/double"        CryptoNight variant 2 with double iterations (X-CASH).
+        CN_CCX          = 0x63150063,   // "cn/ccx"           Conceal (CCX)
+        CN_LITE_0       = 0x63140000,   // "cn-lite/0"        CryptoNight-Lite variant 0.
+        CN_LITE_1       = 0x63140100,   // "cn-lite/1"        CryptoNight-Lite variant 1.
+        CN_HEAVY_0      = 0x63160000,   // "cn-heavy/0"       CryptoNight-Heavy (4 MB).
+        CN_HEAVY_TUBE   = 0x63160172,   // "cn-heavy/tube"    CryptoNight-Heavy (modified, TUBE only).
+        CN_HEAVY_XHV    = 0x63160068,   // "cn-heavy/xhv"     CryptoNight-Heavy (modified, Haven Protocol only).
+        CN_PICO_0       = 0x63120200,   // "cn-pico"          CryptoNight-Pico
+        CN_PICO_TLO     = 0x63120274,   // "cn-pico/tlo"      CryptoNight-Pico (TLO)
+        CN_UPX2         = 0x63110200,   // "cn/upx2"          Uplexa (UPX2)
+        RX_0            = 0x72151200,   // "rx/0"             RandomX (reference configuration).
+        RX_WOW          = 0x72141177,   // "rx/wow"           RandomWOW (Wownero).
+        RX_ARQ          = 0x72121061,   // "rx/arq"           RandomARQ (Arqma).
+        RX_SFX          = 0x72151273,   // "rx/sfx"           RandomSFX (Safex Cash).
+        RX_KEVA         = 0x7214116b,   // "rx/keva"          RandomKEVA (Keva).
+        AR2_CHUKWA      = 0x61130000,   // "argon2/chukwa"    Argon2id (Chukwa).
+        AR2_CHUKWA_V2   = 0x61140000,   // "argon2/chukwav2"  Argon2id (Chukwa v2).
+        AR2_WRKZ        = 0x61120000,   // "argon2/wrkz"      Argon2id (WRKZ)
+        ASTROBWT_DERO   = 0x41000000,   // "astrobwt"         AstroBWT (Dero)
+        KAWPOW_RVN      = 0x6b0f0000,   // "kawpow/rvn"       KawPow (RVN)
    };

-    enum Family : int {
-        UNKNOWN,
-        CN,
-        CN_LITE,
-        CN_HEAVY,
-        CN_PICO,
-        RANDOM_X,
-        ARGON2,
-        ASTROBWT,
-        KAWPOW
+    enum Family : uint32_t {
+        UNKNOWN         = 0,
+        CN_ANY          = 0x63000000,
+        CN              = 0x63150000,
+        CN_LITE         = 0x63140000,
+        CN_HEAVY        = 0x63160000,
+        CN_PICO         = 0x63120000,
+        CN_FEMTO        = 0x63110000,
+        RANDOM_X        = 0x72000000,
+        ARGON2          = 0x61000000,
+        ASTROBWT        = 0x41000000,
+        KAWPOW          = 0x6b000000
    };

+    static const char *kINVALID;
+    static const char *kCN;
+    static const char *kCN_0;
+    static const char *kCN_1;
+    static const char *kCN_2;
+    static const char *kCN_R;
+    static const char *kCN_FAST;
+    static const char *kCN_HALF;
+    static const char *kCN_XAO;
+    static const char *kCN_RTO;
+    static const char *kCN_RWZ;
+    static const char *kCN_ZLS;
+    static const char *kCN_DOUBLE;
+    static const char *kCN_CCX;
+
+#   ifdef XMRIG_ALGO_CN_LITE
+    static const char *kCN_LITE;
+    static const char *kCN_LITE_0;
+    static const char *kCN_LITE_1;
+#   endif
+
+#   ifdef XMRIG_ALGO_CN_HEAVY
+    static const char *kCN_HEAVY;
+    static const char *kCN_HEAVY_0;
+    static const char *kCN_HEAVY_TUBE;
+    static const char *kCN_HEAVY_XHV;
+#   endif
+
+#   ifdef XMRIG_ALGO_CN_PICO
+    static const char *kCN_PICO;
+    static const char *kCN_PICO_0;
+    static const char *kCN_PICO_TLO;
+#   endif
+
+#   ifdef XMRIG_ALGO_CN_FEMTO
+    static const char *kCN_UPX2;
+#   endif
+
+#   ifdef XMRIG_ALGO_RANDOMX
+    static const char *kRX;
+    static const char *kRX_0;
+    static const char *kRX_WOW;
+    static const char *kRX_ARQ;
+    static const char *kRX_SFX;
+    static const char *kRX_KEVA;
+#   endif
+
+#   ifdef XMRIG_ALGO_ARGON2
+    static const char *kAR2;
+    static const char *kAR2_CHUKWA;
+    static const char *kAR2_CHUKWA_V2;
+    static const char *kAR2_WRKZ;
+#   endif
+
+#   ifdef XMRIG_ALGO_ASTROBWT
+    static const char *kASTROBWT;
+    static const char *kASTROBWT_DERO;
+#   endif
+
+#   ifdef XMRIG_ALGO_KAWPOW
+    static const char *kKAWPOW;
+    static const char *kKAWPOW_RVN;
+#   endif
+
    inline Algorithm() = default;
-    inline Algorithm(const char *algo) : m_id(parse(algo)) {}
-    inline Algorithm(Id id) : m_id(id)                     {}
+    inline Algorithm(const char *algo) : m_id(parse(algo))  {}
+    inline Algorithm(Id id) : m_id(id)                      {}
    Algorithm(const rapidjson::Value &value);
+    Algorithm(uint32_t id);

-    inline bool isCN() const                          { auto f = family(); return f == CN || f == CN_LITE || f == CN_HEAVY || f == CN_PICO; }
-    inline bool isEqual(const Algorithm &other) const { return m_id == other.m_id; }
-    inline bool isValid() const                       { return m_id != INVALID && family() != UNKNOWN; }
-    inline const char *name() const                   { return name(false); }
-    inline const char *shortName() const              { return name(true); }
-    inline Family family() const                      { return family(m_id); }
-    inline Id id() const                              { return m_id; }
+    static inline constexpr bool isCN(Id id)                { return (id & 0xff000000) == CN_ANY; }
+    static inline constexpr Id base(Id id)                  { return isCN(id) ? static_cast<Id>(CN_0 | (id & 0xff00)) : INVALID; }
+    static inline constexpr size_t l2(Id id)                { return family(id) == RANDOM_X ? (1U << ((id >> 8) & 0xff)) : 0U; }
+    static inline constexpr size_t l3(Id id)                { return 1U << ((id >> 16) & 0xff); }
+    static inline constexpr uint32_t family(Id id)          { return id & (isCN(id) ? 0xffff0000 : 0xff000000); }

-    inline bool operator!=(Algorithm::Id id) const        { return m_id != id; }
-    inline bool operator!=(const Algorithm &other) const  { return !isEqual(other); }
-    inline bool operator==(Algorithm::Id id) const        { return m_id == id; }
-    inline bool operator==(const Algorithm &other) const  { return isEqual(other); }
-    inline operator Algorithm::Id() const                 { return m_id; }
+    inline bool isCN() const                                { return isCN(m_id); }
+    inline bool isEqual(const Algorithm &other) const       { return m_id == other.m_id; }
+    inline bool isValid() const                             { return m_id != INVALID && family() > UNKNOWN; }
+    inline Id base() const                                  { return base(m_id); }
+    inline Id id() const                                    { return m_id; }
+    inline size_t l2() const                                { return l2(m_id); }
+    inline uint32_t family() const                          { return family(m_id); }
+    inline uint32_t maxIntensity() const                    { return isCN() ? 5 : 1; };

+    inline size_t l3() const
+    {
+#       ifdef XMRIG_ALGO_ASTROBWT
+        return m_id != ASTROBWT_DERO ? l3(m_id) : 0x100000 * 20;
+#       else
+        return l3(m_id);
+#       endif
+    }
+
+    inline bool operator!=(Algorithm::Id id) const          { return m_id != id; }
+    inline bool operator!=(const Algorithm &other) const    { return !isEqual(other); }
+    inline bool operator==(Algorithm::Id id) const          { return m_id == id; }
+    inline bool operator==(const Algorithm &other) const    { return isEqual(other); }
+    inline operator Algorithm::Id() const                   { return m_id; }
+
+    const char *name() const;
    rapidjson::Value toJSON() const;
    rapidjson::Value toJSON(rapidjson::Document &doc) const;
-    size_t l2() const;
-    size_t l3() const;
-    uint32_t maxIntensity() const;

-    static Family family(Id id);
    static Id parse(const char *name);
+    static size_t count();
+    static std::vector<Algorithm> all(const std::function<bool(const Algorithm &algo)> &filter = nullptr);

 private:
-    const char *name(bool shortName) const;
-
    Id m_id = INVALID;
 };

--- a/src/base/crypto/Coin.cpp
+++ b/src/base/crypto/Coin.cpp
@@ -56,7 +56,8 @@ static CoinName const coin_names[] = {
    { "ravencoin",  Coin::RAVEN   },
    { "raven",      Coin::RAVEN   },
    { "rvn",        Coin::RAVEN   },
-    { "conceal",    Coin::CONCEAL }
+    { "conceal",    Coin::CONCEAL },
+    { "wownero",    Coin::WOWNERO }
 };


@@ -85,6 +86,9 @@ xmrig::Algorithm::Id xmrig::Coin::algorithm(uint8_t blobVersion) const
    case CONCEAL:
        return Algorithm::CN_CCX;

+    case WOWNERO:
+        return Algorithm::RX_WOW;
+
    case INVALID:
        break;
    }
--- a/src/base/crypto/Coin.h
+++ b/src/base/crypto/Coin.h
@@ -44,7 +44,8 @@ public:
        DERO,
        KEVA,
        RAVEN,
-        CONCEAL
+        CONCEAL,
+        WOWNERO
    };


--- a/src/base/kernel/config/BaseTransform.cpp
+++ b/src/base/kernel/config/BaseTransform.cpp
@@ -181,6 +181,9 @@ void xmrig::BaseTransform::transform(rapidjson::Document &doc, int key, const ch
    case IConfig::PasswordKey: /* --pass */
        return add(doc, Pools::kPools, Pool::kPass, arg);

+    case IConfig::SpendSecretKey: /* --spend-secret-key */
+        return add(doc, Pools::kPools, Pool::kSpendSecretKey, arg);
+
    case IConfig::RigIdKey: /* --rig-id */
        return add(doc, Pools::kPools, Pool::kRigId, arg);

@@ -239,13 +242,14 @@ void xmrig::BaseTransform::transform(rapidjson::Document &doc, int key, const ch
        return set(doc, BaseConfig::kTls, TlsConfig::kGen, arg);
 #   endif

-    case IConfig::RetriesKey:     /* --retries */
-    case IConfig::RetryPauseKey:  /* --retry-pause */
-    case IConfig::PrintTimeKey:   /* --print-time */
-    case IConfig::HttpPort:       /* --http-port */
-    case IConfig::DonateLevelKey: /* --donate-level */
-    case IConfig::DaemonPollKey:  /* --daemon-poll-interval */
-    case IConfig::DnsTtlKey:      /* --dns-ttl */
+    case IConfig::RetriesKey:       /* --retries */
+    case IConfig::RetryPauseKey:    /* --retry-pause */
+    case IConfig::PrintTimeKey:     /* --print-time */
+    case IConfig::HttpPort:         /* --http-port */
+    case IConfig::DonateLevelKey:   /* --donate-level */
+    case IConfig::DaemonPollKey:    /* --daemon-poll-interval */
+    case IConfig::DnsTtlKey:        /* --dns-ttl */
+    case IConfig::DaemonZMQPortKey: /* --daemon-zmq-port */
        return transformUint64(doc, key, static_cast<uint64_t>(strtol(arg, nullptr, 10)));

    case IConfig::BackgroundKey:  /* --background */
@@ -356,6 +360,9 @@ void xmrig::BaseTransform::transformUint64(rapidjson::Document &doc, int key, ui
 #   ifdef XMRIG_FEATURE_HTTP
    case IConfig::DaemonPollKey:  /* --daemon-poll-interval */
        return add(doc, Pools::kPools, Pool::kDaemonPollInterval, arg);
+
+    case IConfig::DaemonZMQPortKey:  /* --daemon-zmq-port */
+        return add(doc, Pools::kPools, Pool::kDaemonZMQPort, arg);
 #   endif

    default:
--- a/src/base/kernel/interfaces/IConfig.h
+++ b/src/base/kernel/interfaces/IConfig.h
@@ -84,6 +84,9 @@ public:
        SubmitToOriginKey    = 1052,
        DnsIPv6Key           = 1053,
        DnsTtlKey            = 1054,
+        SpendSecretKey       = 1055,
+        DaemonZMQPortKey     = 1056,
+        HugePagesJitKey      = 1057,

        // xmrig common
        CPUPriorityKey       = 1021,
--- a/src/base/net/stratum/Client.cpp
+++ b/src/base/net/stratum/Client.cpp
@@ -1,13 +1,7 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2019      jtgrassie   <https://github.com/jtgrassie>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2019      jtgrassie   <https://github.com/jtgrassie>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
@@ -53,6 +47,7 @@
 #include "base/net/tools/NetBuffer.h"
 #include "base/tools/Chrono.h"
 #include "base/tools/Cvt.h"
+#include "base/tools/cryptonote/BlobReader.h"
 #include "net/JobResult.h"


@@ -83,7 +78,8 @@ static const char *states[] = {
 xmrig::Client::Client(int id, const char *agent, IClientListener *listener) :
    BaseClient(id, listener),
    m_agent(agent),
-    m_sendBuf(1024)
+    m_sendBuf(1024),
+    m_tempBuf(256)
 {
    m_reader.setListener(this);
    m_key = m_storage.add(this);
@@ -198,11 +194,16 @@ int64_t xmrig::Client::submit(const JobResult &result)
    const char *nonce = result.nonce;
    const char *data  = result.result;
 #   else
-    char *nonce = m_sendBuf.data();
-    char *data  = m_sendBuf.data() + 16;
+    char *nonce = m_tempBuf.data();
+    char *data  = m_tempBuf.data() + 16;
+    char *signature = m_tempBuf.data() + 88;

    Cvt::toHex(nonce, sizeof(uint32_t) * 2 + 1, reinterpret_cast<const uint8_t *>(&result.nonce), sizeof(uint32_t));
    Cvt::toHex(data, 65, result.result(), 32);
+
+    if (result.minerSignature()) {
+        Cvt::toHex(signature, 129, result.minerSignature(), 64);
+    }
 #   endif

    Document doc(kObjectType);
@@ -214,8 +215,18 @@ int64_t xmrig::Client::submit(const JobResult &result)
    params.AddMember("nonce",  StringRef(nonce), allocator);
    params.AddMember("result", StringRef(data), allocator);

+#   ifndef XMRIG_PROXY_PROJECT
+    if (result.minerSignature()) {
+        params.AddMember("sig", StringRef(signature), allocator);
+    }
+#   else
+    if (result.sig) {
+        params.AddMember("sig", StringRef(result.sig), allocator);
+    }
+#   endif
+
    if (has<EXT_ALGO>() && result.algorithm.isValid()) {
-        params.AddMember("algo", StringRef(result.algorithm.shortName()), allocator);
+        params.AddMember("algo", StringRef(result.algorithm.name()), allocator);
    }

    JsonRequest::create(doc, m_sequence, "submit", params);
@@ -427,6 +438,8 @@ bool xmrig::Client::parseJob(const rapidjson::Value &params, int *code)
        return false;
    }

+    job.setSigKey(Json::getString(params, "sig_key"));
+
    m_job.setClientId(m_rpcId);

    if (m_job != job) {
@@ -496,7 +509,7 @@ bool xmrig::Client::verifyAlgorithm(const Algorithm &algorithm, const char *algo
    m_listener->onVerifyAlgorithm(this, algorithm, &ok);

    if (!ok && !isQuiet()) {
-        LOG_ERR("%s " RED("incompatible/disabled algorithm ") RED_BOLD("\"%s\" ") RED("detected, reconnect"), tag(), algorithm.shortName());
+        LOG_ERR("%s " RED("incompatible/disabled algorithm ") RED_BOLD("\"%s\" ") RED("detected, reconnect"), tag(), algorithm.name());
    }

    return ok;
--- a/src/base/net/stratum/Client.h
+++ b/src/base/net/stratum/Client.h
@@ -1,13 +1,7 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2019      jtgrassie   <https://github.com/jtgrassie>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2019      jtgrassie   <https://github.com/jtgrassie>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
@@ -137,6 +131,7 @@ private:
    std::bitset<EXT_MAX> m_extensions;
    std::shared_ptr<DnsRequest> m_dns;
    std::vector<char> m_sendBuf;
+    std::vector<char> m_tempBuf;
    String m_rpcId;
    Tls *m_tls                  = nullptr;
    uint64_t m_expire           = 0;
--- a/src/base/net/stratum/DaemonClient.cpp
+++ b/src/base/net/stratum/DaemonClient.cpp
@@ -31,12 +31,18 @@
 #include "base/io/json/JsonRequest.h"
 #include "base/io/log/Log.h"
 #include "base/kernel/interfaces/IClientListener.h"
+#include "base/net/dns/Dns.h"
+#include "base/net/dns/DnsRecords.h"
 #include "base/net/http/Fetch.h"
 #include "base/net/http/HttpData.h"
 #include "base/net/http/HttpListener.h"
 #include "base/net/stratum/SubmitResult.h"
+#include "base/net/tools/NetBuffer.h"
+#include "base/tools/bswap_64.h"
 #include "base/tools/Cvt.h"
 #include "base/tools/Timer.h"
+#include "base/tools/cryptonote/Signatures.h"
+#include "base/tools/cryptonote/WalletAddress.h"
 #include "net/JobResult.h"


@@ -46,7 +52,11 @@

 namespace xmrig {

-static const char *kBlocktemplateBlob       = "blocktemplate_blob";
+
+Storage<DaemonClient> DaemonClient::m_storage;
+
+
+static const char* kBlocktemplateBlob = "blocktemplate_blob";
 static const char *kGetHeight               = "/getheight";
 static const char *kGetInfo                 = "/getinfo";
 static const char *kHash                    = "hash";
@@ -55,6 +65,12 @@ static const char *kJsonRPC                 = "/json_rpc";

 static constexpr size_t kBlobReserveSize    = 8;

+static const char kZMQGreeting[64] = { static_cast<char>(-1), 0, 0, 0, 0, 0, 0, 0, 0, 127, 3, 0, 'N', 'U', 'L', 'L' };
+static constexpr size_t kZMQGreetingSize1 = 11;
+
+static const char kZMQHandshake[] = "\4\x19\5READY\xbSocket-Type\0\0\0\3SUB";
+static const char kZMQSubscribe[] = "\0\x18\1json-minimal-chain_main";
+
 }


@@ -63,12 +79,25 @@ xmrig::DaemonClient::DaemonClient(int id, IClientListener *listener) :
 {
    m_httpListener  = std::make_shared<HttpListener>(this);
    m_timer         = new Timer(this);
+    m_key           = m_storage.add(this);
 }


 xmrig::DaemonClient::~DaemonClient()
 {
    delete m_timer;
+    delete m_ZMQSocket;
+}
+
+
+void xmrig::DaemonClient::deleteLater()
+{
+    if (m_pool.zmq_port() >= 0) {
+        ZMQClose(true);
+    }
+    else {
+        delete this;
+    }
 }


@@ -94,16 +123,36 @@ bool xmrig::DaemonClient::isTLS() const

 int64_t xmrig::DaemonClient::submit(const JobResult &result)
 {
-    if (result.jobId != (m_blocktemplate.data() + m_blocktemplate.size() - 32)) {
+    if (result.jobId != m_currentJobId) {
        return -1;
    }

-    char *data = (m_apiVersion == API_DERO) ? m_blockhashingblob.data() : m_blocktemplate.data();
+    char *data = (m_apiVersion == API_DERO) ? m_blockhashingblob.data() : m_blocktemplateStr.data();
+
+    const size_t sig_offset = m_job.nonceOffset() + m_job.nonceSize();

 #   ifdef XMRIG_PROXY_PROJECT
-    memcpy(data + 78, result.nonce, 8);
+
+    memcpy(data + m_job.nonceOffset() * 2, result.nonce, 8);
+
+    if (m_blocktemplate.has_miner_signature && result.sig) {
+        memcpy(data + sig_offset * 2, result.sig, 64 * 2);
+        memcpy(data + m_blocktemplate.tx_pubkey_index * 2, result.sig_data, 32 * 2);
+        memcpy(data + m_blocktemplate.eph_public_key_index * 2, result.sig_data + 32 * 2, 32 * 2);
+    }
+
+    if (result.extra_nonce >= 0) {
+        Cvt::toHex(data + m_blocktemplate.tx_extra_nonce_index * 2, 8, reinterpret_cast<const uint8_t*>(&result.extra_nonce), 4);
+    }
+
 #   else
-    Cvt::toHex(data + 78, 8, reinterpret_cast<const uint8_t *>(&result.nonce), 4);
+
+    Cvt::toHex(data + m_job.nonceOffset() * 2, 8, reinterpret_cast<const uint8_t*>(&result.nonce), 4);
+
+    if (m_blocktemplate.has_miner_signature) {
+        Cvt::toHex(data + sig_offset * 2, 128, result.minerSignature(), 64);
+    }
+
 #   endif

    using namespace rapidjson;
@@ -111,11 +160,11 @@ int64_t xmrig::DaemonClient::submit(const JobResult &result)

    Value params(kArrayType);
    if (m_apiVersion == API_DERO) {
-        params.PushBack(m_blocktemplate.toJSON(), doc.GetAllocator());
+        params.PushBack(m_blocktemplateStr.toJSON(), doc.GetAllocator());
        params.PushBack(m_blockhashingblob.toJSON(), doc.GetAllocator());
    }
    else {
-        params.PushBack(m_blocktemplate.toJSON(), doc.GetAllocator());
+        params.PushBack(m_blocktemplateStr.toJSON(), doc.GetAllocator());
    }

    JsonRequest::create(doc, m_sequence, "submitblock", params);
@@ -137,7 +186,13 @@ void xmrig::DaemonClient::connect()
    }

    setState(ConnectingState);
-    getBlockTemplate();
+
+    if (m_pool.zmq_port() >= 0) {
+        m_dns = Dns::resolve(m_pool.host(), this);
+    }
+    else {
+        getBlockTemplate();
+    }
 }


@@ -216,7 +271,7 @@ void xmrig::DaemonClient::onHttpData(const HttpData &data)
 void xmrig::DaemonClient::onTimer(const Timer *)
 {
    if (m_state == ConnectingState) {
-        getBlockTemplate();
+        connect();
    }
    else if (m_state == ConnectedState) {
        if (m_apiVersion == API_DERO) {
@@ -229,6 +284,43 @@ void xmrig::DaemonClient::onTimer(const Timer *)
 }


+void xmrig::DaemonClient::onResolved(const DnsRecords& records, int status, const char* error)
+{
+    m_dns.reset();
+
+    if (status < 0 && records.isEmpty()) {
+        if (!isQuiet()) {
+            LOG_ERR("%s " RED("DNS error: ") RED_BOLD("\"%s\""), tag(), error);
+        }
+
+        retry();
+        return;
+    }
+
+    if (m_ZMQSocket) {
+        delete m_ZMQSocket;
+    }
+
+    const auto& record = records.get();
+    m_ip = record.ip();
+
+    uv_connect_t* req = new uv_connect_t;
+    req->data = m_storage.ptr(m_key);
+
+    m_ZMQSocket = new uv_tcp_t;
+    m_ZMQSocket->data = m_storage.ptr(m_key);
+
+    uv_tcp_init(uv_default_loop(), m_ZMQSocket);
+    uv_tcp_nodelay(m_ZMQSocket, 1);
+
+#   ifndef WIN32
+    uv_tcp_keepalive(m_ZMQSocket, 1, 60);
+#   endif
+
+    uv_tcp_connect(req, m_ZMQSocket, record.addr(m_pool.zmq_port()), onZMQConnect);
+}
+
+
 bool xmrig::DaemonClient::isOutdated(uint64_t height, const char *hash) const
 {
    return m_job.height() != height || m_prevHash != hash;
@@ -241,31 +333,136 @@ bool xmrig::DaemonClient::parseJob(const rapidjson::Value &params, int *code)

    String blocktemplate = Json::getString(params, kBlocktemplateBlob);

+    if (blocktemplate.isNull()) {
+        LOG_ERR("Empty block template received from daemon");
+        *code = 1;
+        return false;
+    }
+
+    Coin pool_coin = m_pool.coin();
+
+    if (!pool_coin.isValid() && (m_pool.algorithm() == Algorithm::RX_WOW)) {
+        pool_coin = Coin::WOWNERO;
+    }
+
+    if (!m_blocktemplate.Init(blocktemplate, pool_coin)) {
+        LOG_ERR("Invalid block template received from daemon");
+        *code = 2;
+        return false;
+    }
+
+#   ifdef XMRIG_PROXY_PROJECT
+    const size_t k = m_blocktemplate.miner_tx_prefix_begin_index;
+    job.setMinerTx(
+        m_blocktemplate.raw_blob.data() + k,
+        m_blocktemplate.raw_blob.data() + m_blocktemplate.miner_tx_prefix_end_index,
+        m_blocktemplate.eph_public_key_index - k,
+        m_blocktemplate.tx_pubkey_index - k,
+        m_blocktemplate.tx_extra_nonce_index - k,
+        m_blocktemplate.tx_extra_nonce_size,
+        m_blocktemplate.miner_tx_merkle_tree_branch
+    );
+#   endif
+
    m_blockhashingblob = Json::getString(params, "blockhashing_blob");
+
+    if (m_blocktemplate.has_miner_signature) {
+        if (m_pool.spendSecretKey().isEmpty()) {
+            LOG_ERR("Secret spend key is not set");
+            *code = 4;
+            return false;
+        }
+
+        if (m_pool.spendSecretKey().size() != 64) {
+            LOG_ERR("Secret spend key has invalid length. It must be 64 hex characters.");
+            *code = 5;
+            return false;
+        }
+
+        uint8_t secret_spendkey[32];
+        if (!Cvt::fromHex(secret_spendkey, 32, m_pool.spendSecretKey(), 64)) {
+            LOG_ERR("Secret spend key is not a valid hex data.");
+            *code = 6;
+            return false;
+        }
+
+        uint8_t public_spendkey[32];
+        if (!secret_key_to_public_key(secret_spendkey, public_spendkey)) {
+            LOG_ERR("Secret spend key is invalid.");
+            *code = 7;
+            return false;
+        }
+
+#       ifdef XMRIG_PROXY_PROJECT
+        job.setSpendSecretKey(secret_spendkey);
+#       else
+        uint8_t secret_viewkey[32];
+        derive_view_secret_key(secret_spendkey, secret_viewkey);
+
+        uint8_t public_viewkey[32];
+        if (!secret_key_to_public_key(secret_viewkey, public_viewkey)) {
+            LOG_ERR("Secret view key is invalid.");
+            *code = 8;
+            return false;
+        }
+
+        uint8_t derivation[32];
+        if (!generate_key_derivation(m_blocktemplate.raw_blob.data() + m_blocktemplate.tx_pubkey_index, secret_viewkey, derivation)) {
+            LOG_ERR("Failed to generate key derivation for miner signature.");
+            *code = 9;
+            return false;
+        }
+
+        WalletAddress user_address;
+        if (!user_address.Decode(m_pool.user())) {
+            LOG_ERR("Invalid wallet address.");
+            *code = 10;
+            return false;
+        }
+
+        if (memcmp(user_address.public_spend_key, public_spendkey, sizeof(public_spendkey)) != 0) {
+            LOG_ERR("Wallet address and spend key don't match.");
+            *code = 11;
+            return false;
+        }
+
+        if (memcmp(user_address.public_view_key, public_viewkey, sizeof(public_viewkey)) != 0) {
+            LOG_ERR("Wallet address and view key don't match.");
+            *code = 12;
+            return false;
+        }
+
+        uint8_t eph_secret_key[32];
+        derive_secret_key(derivation, 0, secret_spendkey, eph_secret_key);
+
+        job.setEphemeralKeys(m_blocktemplate.raw_blob.data() + m_blocktemplate.eph_public_key_index, eph_secret_key);
+#       endif
+    }
+
    if (m_apiVersion == API_DERO) {
        const uint64_t offset = Json::getUint64(params, "reserved_offset");
        Cvt::toHex(m_blockhashingblob.data() + offset * 2, kBlobReserveSize * 2, Cvt::randomBytes(kBlobReserveSize).data(), kBlobReserveSize);
    }

-    if (m_pool.coin().isValid()) {
-        uint8_t blobVersion = 0;
-        Cvt::fromHex(&blobVersion, 1, m_blockhashingblob.data(), 2);
-        job.setAlgorithm(m_pool.coin().algorithm(blobVersion));
+    if (pool_coin.isValid()) {
+        job.setAlgorithm(pool_coin.algorithm(m_blocktemplate.major_version));
    }

-    if (blocktemplate.isNull() || !job.setBlob(m_blockhashingblob)) {
-        *code = 4;
+    if (!job.setBlob(m_blockhashingblob)) {
+        *code = 3;
        return false;
    }

    job.setSeedHash(Json::getString(params, "seed_hash"));
    job.setHeight(Json::getUint64(params, kHeight));
    job.setDiff(Json::getUint64(params, "difficulty"));
-    job.setId(blocktemplate.data() + blocktemplate.size() - 32);

-    m_job           = std::move(job);
-    m_blocktemplate = std::move(blocktemplate);
-    m_prevHash      = Json::getString(params, "prev_hash");
+    m_currentJobId = Cvt::toHex(Cvt::randomBytes(4));
+    job.setId(m_currentJobId);
+
+    m_job              = std::move(job);
+    m_blocktemplateStr = std::move(blocktemplate);
+    m_prevHash         = Json::getString(params, "prev_hash");

    if (m_apiVersion == API_DERO) {
        // Truncate to 32 bytes to have the same data as in get_info RPC
@@ -315,8 +512,19 @@ bool xmrig::DaemonClient::parseResponse(int64_t id, const rapidjson::Value &resu
        return true;
    }

-    if (handleSubmitResponse(id)) {
-        getBlockTemplate();
+    const char* error_msg = nullptr;
+
+    if ((m_apiVersion == API_DERO) && result.HasMember("status")) {
+        error_msg = result["status"].GetString();
+        if (!error_msg || (strlen(error_msg) == 0) || (strcmp(error_msg, "OK") == 0)) {
+            error_msg = nullptr;
+        }
+    }
+
+    if (handleSubmitResponse(id, error_msg)) {
+        if (error_msg || (m_pool.zmq_port() < 0)) {
+            getBlockTemplate();
+        }
        return true;
    }

@@ -368,6 +576,10 @@ void xmrig::DaemonClient::retry()
        setState(ConnectingState);
    }

+    if ((m_ZMQConnectionState != ZMQ_NOT_CONNECTED) && (m_ZMQConnectionState != ZMQ_DISCONNECTING)) {
+        uv_close(reinterpret_cast<uv_handle_t*>(m_ZMQSocket), onZMQClose);
+    }
+
    m_timer->stop();
    m_timer->start(m_retryPause, 0);
 }
@@ -395,8 +607,10 @@ void xmrig::DaemonClient::setState(SocketState state)
            m_failures = 0;
            m_listener->onLoginSuccess(this);

-            const uint64_t interval = std::max<uint64_t>(20, m_pool.pollInterval());
-            m_timer->start(interval, interval);
+            if (m_pool.zmq_port() < 0) {
+                const uint64_t interval = std::max<uint64_t>(20, m_pool.pollInterval());
+                m_timer->start(interval, interval);
+            }
        }
        break;

@@ -409,3 +623,282 @@ void xmrig::DaemonClient::setState(SocketState state)
        break;
    }
 }
+
+
+void xmrig::DaemonClient::onZMQConnect(uv_connect_t* req, int status)
+{
+    DaemonClient* client = getClient(req->data);
+    delete req;
+
+    if (!client) {
+        return;
+    }
+
+    if (status < 0) {
+        LOG_ERR("%s " RED("ZMQ connect error: ") RED_BOLD("\"%s\""), client->tag(), uv_strerror(status));
+        client->retry();
+        return;
+    }
+
+    client->ZMQConnected();
+}
+
+
+void xmrig::DaemonClient::onZMQRead(uv_stream_t* stream, ssize_t nread, const uv_buf_t* buf)
+{
+    DaemonClient* client = getClient(stream->data);
+    if (client) {
+        client->ZMQRead(nread, buf);
+    }
+
+    NetBuffer::release(buf);
+}
+
+
+void xmrig::DaemonClient::onZMQClose(uv_handle_t* handle)
+{
+    DaemonClient* client = getClient(handle->data);
+    if (client) {
+#       ifdef APP_DEBUG
+        LOG_DEBUG(CYAN("tcp-zmq://%s:%u") BLACK_BOLD(" disconnected"), client->m_pool.host().data(), client->m_pool.zmq_port());
+#       endif
+        client->m_ZMQConnectionState = ZMQ_NOT_CONNECTED;
+    }
+}
+
+
+void xmrig::DaemonClient::onZMQShutdown(uv_handle_t* handle)
+{
+    DaemonClient* client = getClient(handle->data);
+    if (client) {
+#       ifdef APP_DEBUG
+        LOG_DEBUG(CYAN("tcp-zmq://%s:%u") BLACK_BOLD(" shutdown"), client->m_pool.host().data(), client->m_pool.zmq_port());
+#       endif
+        client->m_ZMQConnectionState = ZMQ_NOT_CONNECTED;
+        m_storage.remove(client->m_key);
+    }
+}
+
+
+void xmrig::DaemonClient::ZMQConnected()
+{
+#   ifdef APP_DEBUG
+    LOG_DEBUG(CYAN("tcp-zmq://%s:%u") BLACK_BOLD(" connected"), m_pool.host().data(), m_pool.zmq_port());
+#   endif
+
+    m_ZMQConnectionState = ZMQ_GREETING_1;
+    m_ZMQSendBuf.reserve(256);
+    m_ZMQRecvBuf.reserve(256);
+
+    if (ZMQWrite(kZMQGreeting, kZMQGreetingSize1)) {
+        uv_read_start(reinterpret_cast<uv_stream_t*>(m_ZMQSocket), NetBuffer::onAlloc, onZMQRead);
+    }
+}
+
+
+bool xmrig::DaemonClient::ZMQWrite(const char* data, size_t size)
+{
+    m_ZMQSendBuf.assign(data, data + size);
+
+    uv_buf_t buf;
+    buf.base = m_ZMQSendBuf.data();
+    buf.len = static_cast<uint32_t>(m_ZMQSendBuf.size());
+
+    const int rc = uv_try_write(reinterpret_cast<uv_stream_t*>(m_ZMQSocket), &buf, 1);
+
+    if (static_cast<size_t>(rc) == buf.len) {
+        return true;
+    }
+
+    LOG_ERR("%s " RED("ZMQ write failed, rc = %d"), tag(), rc);
+    ZMQClose();
+    return false;
+}
+
+
+void xmrig::DaemonClient::ZMQRead(ssize_t nread, const uv_buf_t* buf)
+{
+    if (nread <= 0) {
+        LOG_ERR("%s " RED("ZMQ read failed, nread = %" PRId64), tag(), nread);
+        ZMQClose();
+        return;
+    }
+
+    m_ZMQRecvBuf.insert(m_ZMQRecvBuf.end(), buf->base, buf->base + nread);
+
+    do {
+        switch (m_ZMQConnectionState) {
+        case ZMQ_GREETING_1:
+            if (m_ZMQRecvBuf.size() >= kZMQGreetingSize1) {
+                if ((m_ZMQRecvBuf[0] == static_cast<char>(-1)) && (m_ZMQRecvBuf[9] == 127) && (m_ZMQRecvBuf[10] == 3)) {
+                    ZMQWrite(kZMQGreeting + kZMQGreetingSize1, sizeof(kZMQGreeting) - kZMQGreetingSize1);
+                    m_ZMQConnectionState = ZMQ_GREETING_2;
+                    break;
+                }
+                else {
+                    LOG_ERR("%s " RED("ZMQ handshake failed: invalid greeting format"), tag());
+                    ZMQClose();
+                }
+            }
+            return;
+
+        case ZMQ_GREETING_2:
+            if (m_ZMQRecvBuf.size() >= sizeof(kZMQGreeting)) {
+                if (memcmp(m_ZMQRecvBuf.data() + 12, kZMQGreeting + 12, 20) == 0) {
+                    m_ZMQConnectionState = ZMQ_HANDSHAKE;
+                    m_ZMQRecvBuf.erase(m_ZMQRecvBuf.begin(), m_ZMQRecvBuf.begin() + sizeof(kZMQGreeting));
+
+                    ZMQWrite(kZMQHandshake, sizeof(kZMQHandshake) - 1);
+                    break;
+                }
+                else {
+                    LOG_ERR("%s " RED("ZMQ handshake failed: invalid greeting format 2"), tag());
+                    ZMQClose();
+                }
+            }
+            return;
+
+        case ZMQ_HANDSHAKE:
+            if (m_ZMQRecvBuf.size() >= 2) {
+                if (m_ZMQRecvBuf[0] != 4) {
+                    LOG_ERR("%s " RED("ZMQ handshake failed: invalid handshake format"), tag());
+                    ZMQClose();
+                    return;
+                }
+
+                const size_t size = static_cast<unsigned char>(m_ZMQRecvBuf[1]);
+                if (size < 18) {
+                    LOG_ERR("%s " RED("ZMQ handshake failed: invalid handshake size"), tag());
+                    ZMQClose();
+                    return;
+                }
+
+                if (m_ZMQRecvBuf.size() < size + 2) {
+                    return;
+                }
+
+                if (memcmp(m_ZMQRecvBuf.data() + 2, kZMQHandshake + 2, 18) != 0) {
+                    LOG_ERR("%s " RED("ZMQ handshake failed: invalid handshake data"), tag());
+                    ZMQClose();
+                    return;
+                }
+
+                ZMQWrite(kZMQSubscribe, sizeof(kZMQSubscribe) - 1);
+
+                m_ZMQConnectionState = ZMQ_CONNECTED;
+                m_ZMQRecvBuf.erase(m_ZMQRecvBuf.begin(), m_ZMQRecvBuf.begin() + size + 2);
+
+                getBlockTemplate();
+                break;
+            }
+            return;
+
+        case ZMQ_CONNECTED:
+            ZMQParse();
+            return;
+
+        default:
+            return;
+        }
+    } while (true);
+}
+
+
+void xmrig::DaemonClient::ZMQParse()
+{
+#   ifdef APP_DEBUG
+    std::vector<char> msg;
+#   endif
+
+    size_t msg_size = 0;
+
+    char* data = m_ZMQRecvBuf.data();
+    size_t avail = m_ZMQRecvBuf.size();
+    bool more;
+
+    do {
+        if (avail < 1) {
+            return;
+        }
+
+        more                 = (data[0] & 1) != 0;
+        const bool long_size = (data[0] & 2) != 0;
+        const bool command   = (data[0] & 4) != 0;
+
+        ++data;
+        --avail;
+
+        uint64_t size = 0;
+        if (long_size)
+        {
+            if (avail < sizeof(uint64_t)) {
+                return;
+            }
+            size = bswap_64(*((uint64_t*)data));
+            data += sizeof(uint64_t);
+            avail -= sizeof(uint64_t);
+        }
+        else
+        {
+            if (avail < sizeof(uint8_t)) {
+                return;
+            }
+            size = static_cast<uint8_t>(*data);
+            ++data;
+            --avail;
+        }
+
+        if (size > 1024U - msg_size)
+        {
+            LOG_ERR("%s " RED("ZMQ message is too large, size = %" PRIu64 " bytes"), tag(), size);
+            ZMQClose();
+            return;
+        }
+
+        if (avail < size) {
+            return;
+        }
+
+        if (!command) {
+#           ifdef APP_DEBUG
+            msg.insert(msg.end(), data, data + size);
+#           endif
+
+            msg_size += size;
+        }
+
+        data += size;
+        avail -= size;
+    } while (more);
+
+    m_ZMQRecvBuf.erase(m_ZMQRecvBuf.begin(), m_ZMQRecvBuf.begin() + (data - m_ZMQRecvBuf.data()));
+
+#   ifdef APP_DEBUG
+    LOG_DEBUG(CYAN("tcp-zmq://%s:%u") BLACK_BOLD(" read ") CYAN_BOLD("%zu") BLACK_BOLD(" bytes") " %s", m_pool.host().data(), m_pool.zmq_port(), msg.size(), msg.data());
+#   endif
+
+    getBlockTemplate();
+}
+
+
+bool xmrig::DaemonClient::ZMQClose(bool shutdown)
+{
+    if ((m_ZMQConnectionState == ZMQ_NOT_CONNECTED) || (m_ZMQConnectionState == ZMQ_DISCONNECTING)) {
+        if (shutdown) {
+            m_storage.remove(m_key);
+        }
+        return false;
+    }
+
+    m_ZMQConnectionState = ZMQ_DISCONNECTING;
+
+    if (uv_is_closing(reinterpret_cast<uv_handle_t*>(m_ZMQSocket)) == 0) {
+        uv_close(reinterpret_cast<uv_handle_t*>(m_ZMQSocket), shutdown ? onZMQShutdown : onZMQClose);
+        if (!shutdown) {
+            retry();
+        }
+        return true;
+    }
+
+    return false;
+}
--- a/src/base/net/stratum/DaemonClient.h
+++ b/src/base/net/stratum/DaemonClient.h
@@ -27,10 +27,16 @@
 #define XMRIG_DAEMONCLIENT_H


+#include <uv.h>
+
+
+#include "base/kernel/interfaces/IDnsListener.h"
 #include "base/kernel/interfaces/IHttpListener.h"
 #include "base/kernel/interfaces/ITimerListener.h"
 #include "base/net/stratum/BaseClient.h"
 #include "base/tools/Object.h"
+#include "base/tools/cryptonote/BlockTemplate.h"
+#include "base/net/tools/Storage.h"


 #include <memory>
@@ -39,7 +45,10 @@
 namespace xmrig {


-class DaemonClient : public BaseClient, public ITimerListener, public IHttpListener
+class DnsRequest;
+
+
+class DaemonClient : public BaseClient, public IDnsListener, public ITimerListener, public IHttpListener
 {
 public:
    XMRIG_DISABLE_COPY_MOVE_DEFAULT(DaemonClient)
@@ -56,6 +65,7 @@ protected:

    void onHttpData(const HttpData &data) override;
    void onTimer(const Timer *timer) override;
+    void onResolved(const DnsRecords& records, int status, const char* error) override;

    inline bool hasExtension(Extension) const noexcept override         { return false; }
    inline const char *mode() const override                            { return "daemon"; }
@@ -63,7 +73,7 @@ protected:
    inline const char *tlsVersion() const override                      { return m_tlsVersion; }
    inline int64_t send(const rapidjson::Value &, Callback) override    { return -1; }
    inline int64_t send(const rapidjson::Value &) override              { return -1; }
-    inline void deleteLater() override                                  { delete this; }
+    void deleteLater() override;
    inline void tick(uint64_t) override                                 {}

 private:
@@ -83,7 +93,8 @@ private:
    } m_apiVersion = API_MONERO;

    std::shared_ptr<IHttpListener> m_httpListener;
-    String m_blocktemplate;
+    String m_currentJobId;
+    String m_blocktemplateStr;
    String m_blockhashingblob;
    String m_prevHash;
    String m_tlsFingerprint;
@@ -91,6 +102,40 @@ private:
    Timer *m_timer;
    uint64_t m_blocktemplateRequestHeight = 0;
    String m_blocktemplateRequestHash;
+
+    BlockTemplate m_blocktemplate;
+
+private:
+    static inline DaemonClient* getClient(void* data) { return m_storage.get(data); }
+
+    uintptr_t m_key = 0;
+    static Storage<DaemonClient> m_storage;
+
+    static void onZMQConnect(uv_connect_t* req, int status);
+    static void onZMQRead(uv_stream_t* stream, ssize_t nread, const uv_buf_t* buf);
+    static void onZMQClose(uv_handle_t* handle);
+    static void onZMQShutdown(uv_handle_t* handle);
+
+    void ZMQConnected();
+    bool ZMQWrite(const char* data, size_t size);
+    void ZMQRead(ssize_t nread, const uv_buf_t* buf);
+    void ZMQParse();
+    bool ZMQClose(bool shutdown = false);
+
+    std::shared_ptr<DnsRequest> m_dns;
+    uv_tcp_t* m_ZMQSocket = nullptr;
+
+    enum {
+        ZMQ_NOT_CONNECTED,
+        ZMQ_GREETING_1,
+        ZMQ_GREETING_2,
+        ZMQ_HANDSHAKE,
+        ZMQ_CONNECTED,
+        ZMQ_DISCONNECTING,
+    } m_ZMQConnectionState = ZMQ_NOT_CONNECTED;
+
+    std::vector<char> m_ZMQSendBuf;
+    std::vector<char> m_ZMQRecvBuf;
 };


--- a/src/base/net/stratum/EthStratumClient.cpp
+++ b/src/base/net/stratum/EthStratumClient.cpp
@@ -1,6 +1,6 @@
 /* XMRig
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
@@ -213,7 +213,7 @@ void xmrig::EthStratumClient::parseNotification(const char *method, const rapidj

        if (!ok) {
            if (!isQuiet()) {
-                LOG_ERR("[%s] incompatible/disabled algorithm \"%s\" detected, reconnect", url(), algo.shortName());
+                LOG_ERR("[%s] incompatible/disabled algorithm \"%s\" detected, reconnect", url(), algo.name());
            }
            close();
            return;
--- a/src/base/net/stratum/EthStratumClient.h
+++ b/src/base/net/stratum/EthStratumClient.h
@@ -1,6 +1,6 @@
 /* XMRig
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
--- a/src/base/net/stratum/Job.cpp
+++ b/src/base/net/stratum/Job.cpp
@@ -7,8 +7,8 @@
 * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
 * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
 * Copyright 2019      Howard Chu  <https://github.com/hyc>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
@@ -32,6 +32,9 @@
 #include "base/net/stratum/Job.h"
 #include "base/tools/Buffer.h"
 #include "base/tools/Cvt.h"
+#include "base/tools/cryptonote/BlockTemplate.h"
+#include "base/tools/cryptonote/Signatures.h"
+#include "base/crypto/keccak.h"


 xmrig::Job::Job(bool nicehash, const Algorithm &algorithm, const String &clientId) :
@@ -141,6 +144,50 @@ void xmrig::Job::setDiff(uint64_t diff)
 }


+void xmrig::Job::setSigKey(const char *sig_key)
+{
+    constexpr const size_t size = 64;
+
+    if (!sig_key || strlen(sig_key) != size * 2) {
+        return;
+    }
+
+#   ifndef XMRIG_PROXY_PROJECT
+    const auto buf = Cvt::fromHex(sig_key, size * 2);
+    if (buf.size() == size) {
+        setEphemeralKeys(buf.data(), buf.data() + 32);
+    }
+#   else
+    m_rawSigKey = sig_key;
+#   endif
+}
+
+
+uint32_t xmrig::Job::getNumTransactions() const
+{
+    if (!(m_algorithm.isCN() || m_algorithm.family() == Algorithm::RANDOM_X)) {
+        return 0;
+    }
+
+    uint32_t num_transactions = 0;
+
+    // Monero (and some other coins) has the number of transactions encoded as varint in the end of hashing blob
+    const size_t expected_tx_offset = (m_algorithm == Algorithm::RX_WOW) ? 141 : 75;
+
+    if ((m_size > expected_tx_offset) && (m_size <= expected_tx_offset + 4)) {
+        for (size_t i = expected_tx_offset, k = 0; i < m_size; ++i, k += 7) {
+            const uint8_t b = m_blob[i];
+            num_transactions |= static_cast<uint32_t>(b & 0x7F) << k;
+            if ((b & 0x80) == 0) {
+                break;
+            }
+        }
+    }
+
+    return num_transactions;
+}
+
+
 void xmrig::Job::copy(const Job &other)
 {
    m_algorithm  = other.m_algorithm;
@@ -161,6 +208,7 @@ void xmrig::Job::copy(const Job &other)

 #   ifdef XMRIG_PROXY_PROJECT
    m_rawSeedHash = other.m_rawSeedHash;
+    m_rawSigKey   = other.m_rawSigKey;

    memcpy(m_rawBlob, other.m_rawBlob, sizeof(m_rawBlob));
    memcpy(m_rawTarget, other.m_rawTarget, sizeof(m_rawTarget));
@@ -169,6 +217,24 @@ void xmrig::Job::copy(const Job &other)
 #   ifdef XMRIG_FEATURE_BENCHMARK
    m_benchSize = other.m_benchSize;
 #   endif
+
+#   ifdef XMRIG_PROXY_PROJECT
+    memcpy(m_spendSecretKey, other.m_spendSecretKey, sizeof(m_spendSecretKey));
+    memcpy(m_viewSecretKey, other.m_viewSecretKey, sizeof(m_viewSecretKey));
+    memcpy(m_spendPublicKey, other.m_spendPublicKey, sizeof(m_spendPublicKey));
+    memcpy(m_viewPublicKey, other.m_viewPublicKey, sizeof(m_viewPublicKey));
+    m_minerTxPrefix = other.m_minerTxPrefix;
+    m_minerTxEphPubKeyOffset = other.m_minerTxEphPubKeyOffset;
+    m_minerTxPubKeyOffset = other.m_minerTxPubKeyOffset;
+    m_minerTxExtraNonceOffset = other.m_minerTxExtraNonceOffset;
+    m_minerTxExtraNonceSize = other.m_minerTxExtraNonceSize;
+    m_minerTxMerkleTreeBranch = other.m_minerTxMerkleTreeBranch;
+#   else
+    memcpy(m_ephPublicKey, other.m_ephPublicKey, sizeof(m_ephPublicKey));
+    memcpy(m_ephSecretKey, other.m_ephSecretKey, sizeof(m_ephSecretKey));
+#   endif
+
+    m_hasMinerSignature = other.m_hasMinerSignature;
 }


@@ -196,6 +262,7 @@ void xmrig::Job::move(Job &&other)

 #   ifdef XMRIG_PROXY_PROJECT
    m_rawSeedHash = std::move(other.m_rawSeedHash);
+    m_rawSigKey   = std::move(other.m_rawSigKey);

    memcpy(m_rawBlob, other.m_rawBlob, sizeof(m_rawBlob));
    memcpy(m_rawTarget, other.m_rawTarget, sizeof(m_rawTarget));
@@ -204,4 +271,115 @@ void xmrig::Job::move(Job &&other)
 #   ifdef XMRIG_FEATURE_BENCHMARK
    m_benchSize = other.m_benchSize;
 #   endif
+
+#   ifdef XMRIG_PROXY_PROJECT
+    memcpy(m_spendSecretKey, other.m_spendSecretKey, sizeof(m_spendSecretKey));
+    memcpy(m_viewSecretKey, other.m_viewSecretKey, sizeof(m_viewSecretKey));
+    memcpy(m_spendPublicKey, other.m_spendPublicKey, sizeof(m_spendPublicKey));
+    memcpy(m_viewPublicKey, other.m_viewPublicKey, sizeof(m_viewPublicKey));
+
+    m_minerTxPrefix             = std::move(other.m_minerTxPrefix);
+    m_minerTxEphPubKeyOffset    = other.m_minerTxEphPubKeyOffset;
+    m_minerTxPubKeyOffset       = other.m_minerTxPubKeyOffset;
+    m_minerTxExtraNonceOffset   = other.m_minerTxExtraNonceOffset;
+    m_minerTxExtraNonceSize     = other.m_minerTxExtraNonceSize;
+    m_minerTxMerkleTreeBranch   = std::move(other.m_minerTxMerkleTreeBranch);
+#   else
+    memcpy(m_ephPublicKey, other.m_ephPublicKey, sizeof(m_ephPublicKey));
+    memcpy(m_ephSecretKey, other.m_ephSecretKey, sizeof(m_ephSecretKey));
+#   endif
+
+    m_hasMinerSignature = other.m_hasMinerSignature;
 }
+
+
+#ifdef XMRIG_PROXY_PROJECT
+
+
+void xmrig::Job::setSpendSecretKey(const uint8_t *key)
+{
+    m_hasMinerSignature = true;
+    memcpy(m_spendSecretKey, key, sizeof(m_spendSecretKey));
+
+    derive_view_secret_key(m_spendSecretKey, m_viewSecretKey);
+    secret_key_to_public_key(m_spendSecretKey, m_spendPublicKey);
+    secret_key_to_public_key(m_viewSecretKey, m_viewPublicKey);
+}
+
+
+void xmrig::Job::setMinerTx(const uint8_t *begin, const uint8_t *end, size_t minerTxEphPubKeyOffset, size_t minerTxPubKeyOffset, size_t minerTxExtraNonceOffset, size_t minerTxExtraNonceSize, const Buffer &minerTxMerkleTreeBranch)
+{
+    m_minerTxPrefix.assign(begin, end);
+    m_minerTxEphPubKeyOffset    = minerTxEphPubKeyOffset;
+    m_minerTxPubKeyOffset       = minerTxPubKeyOffset;
+    m_minerTxExtraNonceOffset   = minerTxExtraNonceOffset;
+    m_minerTxExtraNonceSize     = minerTxExtraNonceSize;
+    m_minerTxMerkleTreeBranch   = minerTxMerkleTreeBranch;
+}
+
+
+void xmrig::Job::setExtraNonceInMinerTx(uint32_t extra_nonce)
+{
+    memcpy(m_minerTxPrefix.data() + m_minerTxExtraNonceOffset, &extra_nonce, std::min(m_minerTxExtraNonceSize, sizeof(uint32_t)));
+}
+
+
+void xmrig::Job::generateSignatureData(String &signatureData) const
+{
+    uint8_t* eph_public_key = m_minerTxPrefix.data() + m_minerTxEphPubKeyOffset;
+    uint8_t* txkey_pub = m_minerTxPrefix.data() + m_minerTxPubKeyOffset;
+
+    uint8_t txkey_sec[32];
+
+    generate_keys(txkey_pub, txkey_sec);
+
+    uint8_t derivation[32];
+
+    generate_key_derivation(m_viewPublicKey, txkey_sec, derivation);
+    derive_public_key(derivation, 0, m_spendPublicKey, eph_public_key);
+
+    uint8_t buf[32 * 3] = {};
+    memcpy(buf, txkey_pub, 32);
+    memcpy(buf + 32, eph_public_key, 32);
+
+    generate_key_derivation(txkey_pub, m_viewSecretKey, derivation);
+    derive_secret_key(derivation, 0, m_spendSecretKey, buf + 64);
+
+    signatureData = Cvt::toHex(buf, sizeof(buf));
+}
+
+void xmrig::Job::generateHashingBlob(String &blob) const
+{
+    uint8_t root_hash[32];
+    const uint8_t* p = m_minerTxPrefix.data();
+    BlockTemplate::CalculateRootHash(p, p + m_minerTxPrefix.size(), m_minerTxMerkleTreeBranch, root_hash);
+
+    uint64_t root_hash_offset = nonceOffset() + nonceSize();
+
+    if (m_hasMinerSignature) {
+        root_hash_offset += BlockTemplate::SIGNATURE_SIZE + 2 /* vote */;
+    }
+
+    blob = rawBlob();
+    Cvt::toHex(blob.data() + root_hash_offset * 2, 64, root_hash, BlockTemplate::HASH_SIZE);
+}
+
+
+#else
+
+
+void xmrig::Job::generateMinerSignature(const uint8_t* blob, size_t size, uint8_t* out_sig) const
+{
+    uint8_t tmp[kMaxBlobSize];
+    memcpy(tmp, blob, size);
+
+    // Fill signature with zeros
+    memset(tmp + nonceOffset() + nonceSize(), 0, BlockTemplate::SIGNATURE_SIZE);
+
+    uint8_t prefix_hash[32];
+    xmrig::keccak(tmp, static_cast<int>(size), prefix_hash, sizeof(prefix_hash));
+    xmrig::generate_signature(prefix_hash, m_ephPublicKey, m_ephSecretKey, out_sig);
+}
+
+
+#endif
--- a/src/base/net/stratum/Job.h
+++ b/src/base/net/stratum/Job.h
@@ -7,8 +7,8 @@
 * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
 * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
 * Copyright 2019      Howard Chu  <https://github.com/hyc>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
@@ -63,6 +63,7 @@ public:
    bool setSeedHash(const char *hash);
    bool setTarget(const char *target);
    void setDiff(uint64_t diff);
+    void setSigKey(const char *sig_key);

    inline bool isNicehash() const                      { return m_nicehash; }
    inline bool isValid() const                         { return (m_size > 0 && m_diff > 0) || !m_poolWallet.isEmpty(); }
@@ -82,7 +83,7 @@ public:
    inline uint32_t backend() const                     { return m_backend; }
    inline uint64_t diff() const                        { return m_diff; }
    inline uint64_t height() const                      { return m_height; }
-    inline uint64_t nonceMask() const                   { return isNicehash() ? 0xFFFFFFULL : (nonceSize() == sizeof(uint64_t) ? (-1ULL  >> (extraNonce().size() * 4)): 0xFFFFFFFFULL); }
+    inline uint64_t nonceMask() const                   { return isNicehash() ? 0xFFFFFFULL : (nonceSize() == sizeof(uint64_t) ? (static_cast<uint64_t>(-1LL) >> (extraNonce().size() * 4)) : 0xFFFFFFFFULL); }
    inline uint64_t target() const                      { return m_target; }
    inline uint8_t *blob()                              { return m_blob; }
    inline uint8_t fixedByte() const                    { return *(m_blob + 42); }
@@ -102,6 +103,7 @@ public:
    inline const char *rawBlob() const                  { return m_rawBlob; }
    inline const char *rawTarget() const                { return m_rawTarget; }
    inline const String &rawSeedHash() const            { return m_rawSeedHash; }
+    inline const String &rawSigKey() const              { return m_rawSigKey; }
 #   endif

    static inline uint64_t toDiff(uint64_t target)      { return target ? (0xFFFFFFFFFFFFFFFFULL / target) : 0; }
@@ -116,6 +118,29 @@ public:
    inline void setBenchSize(uint32_t size)             { m_benchSize = size; }
 #   endif

+#   ifdef XMRIG_PROXY_PROJECT
+    void setSpendSecretKey(const uint8_t* key);
+    void setMinerTx(const uint8_t* begin, const uint8_t* end, size_t minerTxEphPubKeyOffset, size_t minerTxPubKeyOffset, size_t minerTxExtraNonceOffset, size_t minerTxExtraNonceSize, const Buffer& minerTxMerkleTreeBranch);
+    void setExtraNonceInMinerTx(uint32_t extra_nonce);
+    void generateSignatureData(String& signatureData) const;
+    void generateHashingBlob(String& blob) const;
+#   else
+    inline const uint8_t* ephSecretKey() const { return m_hasMinerSignature ? m_ephSecretKey : nullptr; }
+
+    inline void setEphemeralKeys(const uint8_t *pub_key, const uint8_t *sec_key)
+    {
+        m_hasMinerSignature = true;
+        memcpy(m_ephPublicKey, pub_key, sizeof(m_ephSecretKey));
+        memcpy(m_ephSecretKey, sec_key, sizeof(m_ephSecretKey));
+    }
+
+    void generateMinerSignature(const uint8_t* blob, size_t size, uint8_t* out_sig) const;
+#   endif
+
+    inline bool hasMinerSignature() const { return m_hasMinerSignature; }
+
+    uint32_t getNumTransactions() const;
+
 private:
    void copy(const Job &other);
    void move(Job &&other);
@@ -139,8 +164,27 @@ private:
    char m_rawBlob[kMaxBlobSize * 2 + 8]{};
    char m_rawTarget[24]{};
    String m_rawSeedHash;
+    String m_rawSigKey;
+
+    // Miner signatures
+    uint8_t m_spendSecretKey[32]{};
+    uint8_t m_viewSecretKey[32]{};
+    uint8_t m_spendPublicKey[32]{};
+    uint8_t m_viewPublicKey[32]{};
+    mutable Buffer m_minerTxPrefix;
+    size_t m_minerTxEphPubKeyOffset = 0;
+    size_t m_minerTxPubKeyOffset = 0;
+    size_t m_minerTxExtraNonceOffset = 0;
+    size_t m_minerTxExtraNonceSize = 0;
+    Buffer m_minerTxMerkleTreeBranch;
+#   else
+    // Miner signatures
+    uint8_t m_ephPublicKey[32]{};
+    uint8_t m_ephSecretKey[32]{};
 #   endif

+    bool m_hasMinerSignature = false;
+
 #   ifdef XMRIG_FEATURE_BENCHMARK
    uint32_t m_benchSize = 0;
 #   endif
--- a/src/base/net/stratum/NetworkState.cpp
+++ b/src/base/net/stratum/NetworkState.cpp
@@ -1,12 +1,6 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
@@ -22,7 +16,6 @@
 *   along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

-
 #include "base/net/stratum/NetworkState.h"
 #include "3rdparty/rapidjson/document.h"
 #include "base/io/log/Log.h"
@@ -196,7 +189,7 @@ void xmrig::NetworkState::printConnection() const
    Log::print(GREEN_BOLD(" * ") WHITE_BOLD("%-17s") CYAN_BOLD("%s ") BLACK_BOLD("(%s) ") GREEN_BOLD("%s"),
               "pool address", m_pool, m_ip.data(), m_tls.isNull() ? "" : m_tls.data());

-    Log::print(GREEN_BOLD(" * ") WHITE_BOLD("%-17s") WHITE_BOLD("%s"), "algorithm", m_algorithm.shortName());
+    Log::print(GREEN_BOLD(" * ") WHITE_BOLD("%-17s") WHITE_BOLD("%s"), "algorithm", m_algorithm.name());
    printDiff(m_diff);
    printLatency(latency());
    Log::print(GREEN_BOLD(" * ") WHITE_BOLD("%-17s") CYAN_BOLD("%" PRIu64 "s"), "connection time", connectionTime() / 1000);
--- a/src/base/net/stratum/NetworkState.h
+++ b/src/base/net/stratum/NetworkState.h
@@ -1,12 +1,6 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
--- a/src/base/net/stratum/Pool.cpp
+++ b/src/base/net/stratum/Pool.cpp
@@ -1,7 +1,7 @@
 /* XMRig
 * Copyright (c) 2019      Howard Chu  <https://github.com/hyc>
- * Copyright (c) 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright (c) 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
@@ -17,7 +17,6 @@
 *   along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

-
 #include <cassert>
 #include <cstring>
 #include <cstdlib>
@@ -66,6 +65,7 @@ const char *Pool::kAlgo                   = "algo";
 const char *Pool::kCoin                   = "coin";
 const char *Pool::kDaemon                 = "daemon";
 const char *Pool::kDaemonPollInterval     = "daemon-poll-interval";
+const char *Pool::kDaemonZMQPort          = "daemon-zmq-port";
 const char *Pool::kEnabled                = "enabled";
 const char *Pool::kFingerprint            = "tls-fingerprint";
 const char *Pool::kKeepalive              = "keepalive";
@@ -78,6 +78,7 @@ const char *Pool::kSubmitToOrigin         = "submit-to-origin";
 const char *Pool::kTls                    = "tls";
 const char *Pool::kUrl                    = "url";
 const char *Pool::kUser                   = "user";
+const char *Pool::kSpendSecretKey         = "spend-secret-key";
 const char *Pool::kNicehashHost           = "nicehash.com";


@@ -92,12 +93,13 @@ xmrig::Pool::Pool(const char *url) :
 }


-xmrig::Pool::Pool(const char *host, uint16_t port, const char *user, const char *password, int keepAlive, bool nicehash, bool tls, Mode mode) :
+xmrig::Pool::Pool(const char *host, uint16_t port, const char *user, const char *password, const char* spendSecretKey, int keepAlive, bool nicehash, bool tls, Mode mode) :
    m_keepAlive(keepAlive),
    m_mode(mode),
    m_flags(1 << FLAG_ENABLED),
    m_password(password),
    m_user(user),
+    m_spendSecretKey(spendSecretKey),
    m_pollInterval(kDefaultPollInterval),
    m_url(host, port, tls)
 {
@@ -115,15 +117,17 @@ xmrig::Pool::Pool(const rapidjson::Value &object) :
        return;
    }

-    m_user         = Json::getString(object, kUser);
-    m_password     = Json::getString(object, kPass);
-    m_rigId        = Json::getString(object, kRigId);
-    m_fingerprint  = Json::getString(object, kFingerprint);
-    m_pollInterval = Json::getUint64(object, kDaemonPollInterval, kDefaultPollInterval);
-    m_algorithm    = Json::getString(object, kAlgo);
-    m_coin         = Json::getString(object, kCoin);
-    m_daemon       = Json::getString(object, kSelfSelect);
-    m_proxy        = Json::getValue(object, kSOCKS5);
+    m_user           = Json::getString(object, kUser);
+    m_spendSecretKey = Json::getString(object, kSpendSecretKey);
+    m_password       = Json::getString(object, kPass);
+    m_rigId          = Json::getString(object, kRigId);
+    m_fingerprint    = Json::getString(object, kFingerprint);
+    m_pollInterval   = Json::getUint64(object, kDaemonPollInterval, kDefaultPollInterval);
+    m_algorithm      = Json::getString(object, kAlgo);
+    m_coin           = Json::getString(object, kCoin);
+    m_daemon         = Json::getString(object, kSelfSelect);
+    m_proxy          = Json::getValue(object, kSOCKS5);
+    m_zmqPort        = Json::getInt(object, kDaemonZMQPort, m_zmqPort);

    m_flags.set(FLAG_ENABLED,  Json::getBool(object, kEnabled, true));
    m_flags.set(FLAG_NICEHASH, Json::getBool(object, kNicehash) || m_url.host().contains(kNicehashHost));
@@ -270,6 +274,10 @@ rapidjson::Value xmrig::Pool::toJSON(rapidjson::Document &doc) const
    obj.AddMember(StringRef(kUrl),   url().toJSON(), allocator);
    obj.AddMember(StringRef(kUser),  m_user.toJSON(), allocator);

+    if (!m_spendSecretKey.isEmpty()) {
+        obj.AddMember(StringRef(kSpendSecretKey), m_spendSecretKey.toJSON(), allocator);
+    }
+
    if (m_mode != MODE_DAEMON) {
        obj.AddMember(StringRef(kPass),  m_password.toJSON(), allocator);
        obj.AddMember(StringRef(kRigId), m_rigId.toJSON(), allocator);
@@ -294,6 +302,7 @@ rapidjson::Value xmrig::Pool::toJSON(rapidjson::Document &doc) const

    if (m_mode == MODE_DAEMON) {
        obj.AddMember(StringRef(kDaemonPollInterval), m_pollInterval, allocator);
+        obj.AddMember(StringRef(kDaemonZMQPort), m_zmqPort, allocator);
    }
    else {
        obj.AddMember(StringRef(kSelfSelect),     m_daemon.url().toJSON(), allocator);
@@ -312,7 +321,7 @@ std::string xmrig::Pool::printableName() const
        out += std::string(" coin ") + WHITE_BOLD_S + m_coin.name() + CLEAR;
    }
    else {
-        out += std::string(" algo ") + WHITE_BOLD_S + (m_algorithm.isValid() ? m_algorithm.shortName() : "auto") + CLEAR;
+        out += std::string(" algo ") + WHITE_BOLD_S + (m_algorithm.isValid() ? m_algorithm.name() : "auto") + CLEAR;
    }

    if (m_mode == MODE_SELF_SELECT) {
@@ -329,6 +338,9 @@ void xmrig::Pool::print() const
    LOG_NOTICE("url:       %s", url().data());
    LOG_DEBUG ("host:      %s", host().data());
    LOG_DEBUG ("port:      %d", static_cast<int>(port()));
+    if (m_zmqPort >= 0) {
+        LOG_DEBUG("zmq-port:  %d", m_zmqPort);
+    }
    LOG_DEBUG ("user:      %s", m_user.data());
    LOG_DEBUG ("pass:      %s", m_password.data());
    LOG_DEBUG ("rig-id     %s", m_rigId.data());
--- a/src/base/net/stratum/Pool.h
+++ b/src/base/net/stratum/Pool.h
@@ -1,7 +1,7 @@
 /* XMRig
 * Copyright (c) 2019      Howard Chu  <https://github.com/hyc>
- * Copyright (c) 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright (c) 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
@@ -71,6 +71,8 @@ public:
    static const char *kTls;
    static const char *kUrl;
    static const char *kUser;
+    static const char* kSpendSecretKey;
+    static const char* kDaemonZMQPort;
    static const char *kNicehashHost;

    constexpr static int kKeepAliveTimeout         = 60;
@@ -78,7 +80,7 @@ public:
    constexpr static uint64_t kDefaultPollInterval = 1000;

    Pool() = default;
-    Pool(const char *host, uint16_t port, const char *user, const char *password, int keepAlive, bool nicehash, bool tls, Mode mode);
+    Pool(const char *host, uint16_t port, const char *user, const char *password, const char* spendSecretKey, int keepAlive, bool nicehash, bool tls, Mode mode);
    Pool(const char *url);
    Pool(const rapidjson::Value &object);

@@ -101,10 +103,12 @@ public:
    inline const String &rigId() const                  { return m_rigId; }
    inline const String &url() const                    { return m_url.url(); }
    inline const String &user() const                   { return !m_user.isNull() ? m_user : kDefaultUser; }
+    inline const String &spendSecretKey() const         { return m_spendSecretKey; }
    inline const Url &daemon() const                    { return m_daemon; }
    inline int keepAlive() const                        { return m_keepAlive; }
    inline Mode mode() const                            { return m_mode; }
    inline uint16_t port() const                        { return m_url.port(); }
+    inline int zmq_port() const                         { return m_zmqPort; }
    inline uint64_t pollInterval() const                { return m_pollInterval; }
    inline void setAlgo(const Algorithm &algorithm)     { m_algorithm = algorithm; }
    inline void setPassword(const String &password)     { m_password = password; }
@@ -149,9 +153,11 @@ private:
    String m_password;
    String m_rigId;
    String m_user;
+    String m_spendSecretKey;
    uint64_t m_pollInterval         = kDefaultPollInterval;
    Url m_daemon;
    Url m_url;
+    int m_zmqPort                   = -1;

 #   ifdef XMRIG_FEATURE_BENCHMARK
    std::shared_ptr<BenchConfig> m_benchmark;
--- a/src/base/net/stratum/Pools.h
+++ b/src/base/net/stratum/Pools.h
@@ -57,6 +57,12 @@ public:

    Pools();

+#   ifdef XMRIG_FEATURE_BENCHMARK
+    inline bool isBenchmark() const                     { return !!m_benchmark; }
+#   else
+    inline constexpr static bool isBenchmark()          { return false; }
+#   endif
+
    inline const std::vector<Pool> &data() const        { return m_data; }
    inline int retries() const                          { return m_retries; }
    inline int retryPause() const                       { return m_retryPause; }
--- a/src/base/net/stratum/benchmark/BenchClient.cpp
+++ b/src/base/net/stratum/benchmark/BenchClient.cpp
@@ -61,7 +61,8 @@ xmrig::BenchClient::BenchClient(const std::shared_ptr<BenchConfig> &benchmark, I

 #   ifdef XMRIG_FEATURE_HTTP
    if (m_benchmark->isSubmit()) {
-        m_mode = ONLINE_BENCH;
+        m_mode  = ONLINE_BENCH;
+        m_token = m_benchmark->token();

        return;
    }
@@ -262,7 +263,7 @@ void xmrig::BenchClient::start()
               tag(),
               size < 1000000 ? size / 1000 : size / 1000000,
               size < 1000000 ? "K" : "M",
-               m_job.algorithm().shortName());
+               m_job.algorithm().name());

    m_listener->onLoginSuccess(this);
    m_listener->onJobReceived(this, m_job, rapidjson::Value());
@@ -334,6 +335,7 @@ void xmrig::BenchClient::send(Request request)
        {
            doc.AddMember(StringRef(BenchConfig::kSize),    m_benchmark->size(), allocator);
            doc.AddMember(StringRef(BenchConfig::kAlgo),    m_benchmark->algorithm().toJSON(), allocator);
+            doc.AddMember(StringRef(BenchConfig::kUser),    m_benchmark->user().toJSON(), allocator);
            doc.AddMember("version",                        APP_VERSION, allocator);
            doc.AddMember("threads",                        m_threads, allocator);
            doc.AddMember("steady_ready_ts",                m_readyTime, allocator);
@@ -349,6 +351,11 @@ void xmrig::BenchClient::send(Request request)
 #           endif

            FetchRequest req(HTTP_POST, m_ip, BenchConfig::kApiPort, "/1/benchmark", doc, BenchConfig::kApiTLS, true);
+
+            if (!m_token.isEmpty()) {
+                req.headers.insert({ "Authorization", fmt::format("Bearer {}", m_token)});
+            }
+
            fetch(tag(), std::move(req), m_httpListener);
        }
        break;
--- a/src/base/net/stratum/benchmark/BenchConfig.cpp
+++ b/src/base/net/stratum/benchmark/BenchConfig.cpp
@@ -41,6 +41,7 @@ const char *BenchConfig::kSeed      = "seed";
 const char *BenchConfig::kSize      = "size";
 const char *BenchConfig::kSubmit    = "submit";
 const char *BenchConfig::kToken     = "token";
+const char *BenchConfig::kUser      = "user";
 const char *BenchConfig::kVerify    = "verify";

 #ifndef XMRIG_DEBUG_BENCHMARK_API
@@ -59,8 +60,8 @@ xmrig::BenchConfig::BenchConfig(uint32_t size, const String &id, const rapidjson
    m_id(id),
    m_seed(Json::getString(object, kSeed)),
    m_token(Json::getString(object, kToken)),
-    m_size(size),
-    m_hash(0)
+    m_user(Json::getString(object, kUser)),
+    m_size(size)
 {
    if (!m_algorithm.isValid() || m_algorithm.family() != Algorithm::RANDOM_X) {
        m_algorithm = Algorithm::RX_0;
@@ -111,6 +112,7 @@ rapidjson::Value xmrig::BenchConfig::toJSON(rapidjson::Document &doc) const
    out.AddMember(StringRef(kVerify),   m_id.toJSON(), allocator);
    out.AddMember(StringRef(kToken),    m_token.toJSON(), allocator);
    out.AddMember(StringRef(kSeed),     m_seed.toJSON(), allocator);
+    out.AddMember(StringRef(kUser),     m_user.toJSON(), allocator);

    if (m_hash) {
        out.AddMember(StringRef(kHash), Value(fmt::format("{:016X}", m_hash).c_str(), allocator), allocator);
--- a/src/base/net/stratum/benchmark/BenchConfig.h
+++ b/src/base/net/stratum/benchmark/BenchConfig.h
@@ -39,6 +39,7 @@ public:
    static const char *kSize;
    static const char *kSubmit;
    static const char *kToken;
+    static const char *kUser;
    static const char *kVerify;

 #   ifndef XMRIG_DEBUG_BENCHMARK_API
@@ -59,6 +60,7 @@ public:
    inline const String &id() const             { return m_id; }
    inline const String &seed() const           { return m_seed; }
    inline const String &token() const          { return m_token; }
+    inline const String &user() const           { return m_user; }
    inline uint32_t size() const                { return m_size; }
    inline uint64_t hash() const                { return m_hash; }

@@ -73,8 +75,9 @@ private:
    String m_id;
    String m_seed;
    String m_token;
+    String m_user;
    uint32_t m_size;
-    uint64_t m_hash;
+    uint64_t m_hash = 0;
 };


--- a/src/base/tools/bswap_64.h
+++ b/src/base/tools/bswap_64.h
@@ -0,0 +1,37 @@
+/* XMRig
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef XMRIG_BSWAP_64_H
+#define XMRIG_BSWAP_64_H
+
+#ifdef _MSC_VER
+
+#include <stdlib.h>
+#define bswap_64(x) _byteswap_uint64(x)
+
+#elif defined __GNUC__
+
+#define bswap_64(x) __builtin_bswap64(x)
+
+#else
+
+#include <byteswap.h>
+
+#endif
+
+#endif /* XMRIG_BSWAP_64_H */
--- a/src/base/tools/cryptonote/BlobReader.h
+++ b/src/base/tools/cryptonote/BlobReader.h
@@ -0,0 +1,104 @@
+/* XMRig
+ * Copyright 2012-2013 The Cryptonote developers
+ * Copyright 2014-2021 The Monero Project
+ * Copyright 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef XMRIG_BLOBREADER_H
+#define XMRIG_BLOBREADER_H
+
+
+#include <cstdint>
+
+
+namespace xmrig {
+
+
+class CBlobReader
+{
+public:
+    inline CBlobReader(const void* data, size_t size)
+        : m_data(reinterpret_cast<const uint8_t*>(data))
+        , m_size(size)
+        , m_index(0)
+    {}
+
+    inline bool operator()(uint8_t& data) { return getByte(data); }
+    inline bool operator()(uint64_t& data) { return getVarint(data); }
+
+    template<size_t N>
+    inline bool operator()(uint8_t(&data)[N])
+    {
+        for (size_t i = 0; i < N; ++i) {
+            if (!getByte(data[i])) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    template<typename T>
+    inline void readItems(T& data, size_t count)
+    {
+        data.resize(count);
+        for (size_t i = 0; i < count; ++i)
+            operator()(data[i]);
+    }
+
+    inline size_t index() const { return m_index; }
+
+    inline void skip(size_t N) { m_index += N; }
+
+private:
+    inline bool getByte(uint8_t& data)
+    {
+        if (m_index >= m_size) {
+            return false;
+        }
+
+        data = m_data[m_index++];
+        return true;
+    }
+
+    inline bool getVarint(uint64_t& data)
+    {
+        uint64_t result = 0;
+        uint8_t t;
+        int shift = 0;
+
+        do {
+            if (!getByte(t)) {
+                return false;
+            }
+            result |= static_cast<uint64_t>(t & 0x7F) << shift;
+            shift += 7;
+        } while (t & 0x80);
+
+        data = result;
+        return true;
+    }
+
+    const uint8_t* m_data;
+    size_t m_size;
+    size_t m_index;
+};
+
+
+} /* namespace xmrig */
+
+
+#endif /* XMRIG_BLOBREADER_H */
--- a/src/base/tools/cryptonote/BlockTemplate.cpp
+++ b/src/base/tools/cryptonote/BlockTemplate.cpp
@@ -0,0 +1,260 @@
+/* XMRig
+ * Copyright 2012-2013 The Cryptonote developers
+ * Copyright 2014-2021 The Monero Project
+ * Copyright 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "base/crypto/keccak.h"
+#include "base/tools/Cvt.h"
+#include "base/tools/cryptonote/BlobReader.h"
+#include "base/tools/cryptonote/BlockTemplate.h"
+
+
+namespace xmrig {
+
+
+bool BlockTemplate::Init(const String& blockTemplate, Coin coin)
+{
+    raw_blob = Cvt::fromHex(blockTemplate);
+
+    CBlobReader ar(raw_blob.data(), raw_blob.size());
+
+    // Block header
+    ar(major_version);
+    ar(minor_version);
+    ar(timestamp);
+    ar(prev_id);
+    ar(nonce);
+
+    // Wownero block template has miner signature starting from version 18
+    has_miner_signature = (coin == Coin::WOWNERO) && (major_version >= 18);
+    if (has_miner_signature) {
+        ar(miner_signature);
+        ar(vote);
+    }
+
+    // Miner transaction begin
+    // Prefix begin
+    miner_tx_prefix_begin_index = ar.index();
+
+    ar(tx_version);
+    ar(unlock_time);
+    ar(num_inputs);
+
+    // must be 1 input
+    if (num_inputs != 1)
+        return false;
+
+    ar(input_type);
+
+    // input type must be txin_gen (0xFF)
+    if (input_type != 0xFF)
+        return false;
+
+    ar(height);
+
+    ar(num_outputs);
+
+    // must be 1 output
+    if (num_outputs != 1)
+        return false;
+
+    ar(amount);
+    ar(output_type);
+
+    // output type must be txout_to_key (2)
+    if (output_type != 2)
+        return false;
+
+    eph_public_key_index = ar.index();
+
+    ar(eph_public_key);
+    ar(extra_size);
+
+    const uint64_t tx_extra_index = ar.index();
+
+    ar.readItems(extra, extra_size);
+
+    CBlobReader ar_extra(extra.data(), extra_size);
+
+    tx_extra_nonce_size = 0;
+    tx_extra_nonce_index = 0;
+
+    while (ar_extra.index() < extra_size) {
+        uint64_t extra_tag = 0;
+        ar_extra(extra_tag);
+
+        switch (extra_tag) {
+        case 0x01: // TX_EXTRA_TAG_PUBKEY
+            tx_pubkey_index = tx_extra_index + ar_extra.index();
+            ar_extra.skip(KEY_SIZE);
+            break;
+
+        case 0x02: // TX_EXTRA_NONCE
+            ar_extra(tx_extra_nonce_size);
+            tx_extra_nonce_index = tx_extra_index + ar_extra.index();
+            ar_extra.skip(tx_extra_nonce_size);
+            break;
+
+        default:
+            return false; // TODO: handle other tags
+        }
+    }
+
+    miner_tx_prefix_end_index = ar.index();
+    // Prefix end
+
+    // RCT signatures (empty in miner transaction)
+    ar(vin_rct_type);
+
+    // must be RCTTypeNull (0)
+    if (vin_rct_type != 0)
+        return false;
+
+    const size_t miner_tx_end = ar.index();
+    // Miner transaction end
+
+    // Miner transaction must have exactly 1 byte with value 0 after the prefix
+    if ((miner_tx_end != miner_tx_prefix_end_index + 1) || (raw_blob[miner_tx_prefix_end_index] != 0))
+        return false;
+
+    // Other transaction hashes
+    ar(num_hashes);
+
+#   ifdef XMRIG_PROXY_PROJECT
+    hashes.resize((num_hashes + 1) * HASH_SIZE);
+    CalculateMinerTxHash(raw_blob.data() + miner_tx_prefix_begin_index, raw_blob.data() + miner_tx_prefix_end_index, hashes.data());
+
+    for (uint64_t i = 1; i <= num_hashes; ++i) {
+        uint8_t h[HASH_SIZE];
+        ar(h);
+        memcpy(hashes.data() + i * HASH_SIZE, h, HASH_SIZE);
+    }
+
+    CalculateMerkleTreeHash();
+#   endif
+
+    return true;
+}
+
+
+void BlockTemplate::CalculateMinerTxHash(const uint8_t* prefix_begin, const uint8_t* prefix_end, uint8_t* hash)
+{
+    uint8_t hashes[HASH_SIZE * 3];
+
+    // Calculate 3 partial hashes
+
+    // 1. Prefix
+    keccak(prefix_begin, static_cast<int>(prefix_end - prefix_begin), hashes, HASH_SIZE);
+
+    // 2. Base RCT, single 0 byte in miner tx
+    static const uint8_t known_second_hash[HASH_SIZE] = {
+        188,54,120,158,122,30,40,20,54,70,66,41,130,143,129,125,102,18,247,180,119,214,101,145,255,150,169,224,100,188,201,138
+    };
+    memcpy(hashes + HASH_SIZE, known_second_hash, HASH_SIZE);
+
+    // 3. Prunable RCT, empty in miner tx
+    memset(hashes + HASH_SIZE * 2, 0, HASH_SIZE);
+
+    // Calculate miner transaction hash
+    keccak(hashes, sizeof(hashes), hash, HASH_SIZE);
+}
+
+
+void BlockTemplate::CalculateMerkleTreeHash()
+{
+    miner_tx_merkle_tree_branch.clear();
+
+    const uint64_t count = num_hashes + 1;
+    uint8_t* h = hashes.data();
+
+    if (count == 1) {
+        memcpy(root_hash, h, HASH_SIZE);
+    }
+    else if (count == 2) {
+        miner_tx_merkle_tree_branch.insert(miner_tx_merkle_tree_branch.end(), h + HASH_SIZE, h + HASH_SIZE * 2);
+        keccak(h, HASH_SIZE * 2, root_hash, HASH_SIZE);
+    }
+    else {
+        size_t i, j, cnt;
+
+        for (i = 0, cnt = 1; cnt <= count; ++i, cnt <<= 1) {}
+
+        cnt >>= 1;
+
+        miner_tx_merkle_tree_branch.reserve(HASH_SIZE * (i - 1));
+
+        Buffer ints(cnt * HASH_SIZE);
+        memcpy(ints.data(), h, (cnt * 2 - count) * HASH_SIZE);
+
+        for (i = cnt * 2 - count, j = cnt * 2 - count; j < cnt; i += 2, ++j) {
+            if (i == 0) {
+                miner_tx_merkle_tree_branch.insert(miner_tx_merkle_tree_branch.end(), h + HASH_SIZE, h + HASH_SIZE * 2);
+            }
+            keccak(h + i * HASH_SIZE, HASH_SIZE * 2, ints.data() + j * HASH_SIZE, HASH_SIZE);
+        }
+
+        while (cnt > 2) {
+            cnt >>= 1;
+            for (i = 0, j = 0; j < cnt; i += 2, ++j) {
+                if (i == 0) {
+                    miner_tx_merkle_tree_branch.insert(miner_tx_merkle_tree_branch.end(), ints.data() + HASH_SIZE, ints.data() + HASH_SIZE * 2);
+                }
+                keccak(ints.data() + i * HASH_SIZE, HASH_SIZE * 2, ints.data() + j * HASH_SIZE, HASH_SIZE);
+            }
+        }
+
+        miner_tx_merkle_tree_branch.insert(miner_tx_merkle_tree_branch.end(), ints.data() + HASH_SIZE, ints.data() + HASH_SIZE * 2);
+        keccak(ints.data(), HASH_SIZE * 2, root_hash, HASH_SIZE);
+    }
+}
+
+
+void BlockTemplate::CalculateRootHash(const uint8_t* prefix_begin, const uint8_t* prefix_end, const Buffer& miner_tx_merkle_tree_branch, uint8_t* root_hash)
+{
+    CalculateMinerTxHash(prefix_begin, prefix_end, root_hash);
+
+    for (size_t i = 0; i < miner_tx_merkle_tree_branch.size(); i += HASH_SIZE) {
+        uint8_t h[HASH_SIZE * 2];
+
+        memcpy(h, root_hash, HASH_SIZE);
+        memcpy(h + HASH_SIZE, miner_tx_merkle_tree_branch.data() + i, HASH_SIZE);
+
+        keccak(h, HASH_SIZE * 2, root_hash, HASH_SIZE);
+    }
+}
+
+
+void BlockTemplate::GenerateHashingBlob()
+{
+    hashingBlob.clear();
+    hashingBlob.reserve(miner_tx_prefix_begin_index + HASH_SIZE + 3);
+
+    hashingBlob.assign(raw_blob.begin(), raw_blob.begin() + miner_tx_prefix_begin_index);
+    hashingBlob.insert(hashingBlob.end(), root_hash, root_hash + HASH_SIZE);
+
+    uint64_t k = num_hashes + 1;
+    while (k >= 0x80) {
+        hashingBlob.emplace_back((static_cast<uint8_t>(k) & 0x7F) | 0x80);
+        k >>= 7;
+    }
+    hashingBlob.emplace_back(static_cast<uint8_t>(k));
+}
+
+
+} /* namespace xmrig */
--- a/src/base/tools/cryptonote/BlockTemplate.h
+++ b/src/base/tools/cryptonote/BlockTemplate.h
@@ -0,0 +1,96 @@
+/* XMRig
+ * Copyright 2012-2013 The Cryptonote developers
+ * Copyright 2014-2021 The Monero Project
+ * Copyright 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef XMRIG_BLOCKTEMPLATE_H
+#define XMRIG_BLOCKTEMPLATE_H
+
+
+#include "base/crypto/Coin.h"
+#include "base/tools/Buffer.h"
+#include "base/tools/String.h"
+
+
+namespace xmrig {
+
+
+struct BlockTemplate
+{
+    enum {
+        HASH_SIZE = 32,
+        KEY_SIZE = 32,
+        SIGNATURE_SIZE = 64,
+        NONCE_SIZE = 4,
+    };
+
+    Buffer raw_blob;
+    size_t eph_public_key_index;
+    size_t tx_pubkey_index;
+    uint64_t tx_extra_nonce_size;
+    size_t tx_extra_nonce_index;
+    size_t miner_tx_prefix_begin_index;
+    size_t miner_tx_prefix_end_index;
+
+    // Block header
+    uint8_t major_version;
+    uint8_t minor_version;
+    uint64_t timestamp;
+    uint8_t prev_id[HASH_SIZE];
+    uint8_t nonce[NONCE_SIZE];
+
+    bool has_miner_signature;
+    uint8_t miner_signature[SIGNATURE_SIZE];
+    uint8_t vote[2];
+
+    // Miner tx
+    uint64_t tx_version;
+    uint64_t unlock_time;
+    uint64_t num_inputs;
+    uint8_t input_type;
+    uint64_t height;
+    uint64_t num_outputs;
+    uint64_t amount;
+    uint8_t output_type;
+    uint8_t eph_public_key[KEY_SIZE];
+    uint64_t extra_size;
+    Buffer extra;
+    uint8_t vin_rct_type;
+
+    // Transaction hashes
+    uint64_t num_hashes;
+    Buffer hashes;
+
+    Buffer miner_tx_merkle_tree_branch;
+    uint8_t root_hash[HASH_SIZE];
+
+    Buffer hashingBlob;
+
+    bool Init(const String& blockTemplate, Coin coin);
+
+    static void CalculateMinerTxHash(const uint8_t* prefix_begin, const uint8_t* prefix_end, uint8_t* hash);
+    static void CalculateRootHash(const uint8_t* prefix_begin, const uint8_t* prefix_end, const Buffer& miner_tx_merkle_tree_branch, uint8_t* root_hash);
+    void CalculateMerkleTreeHash();
+    void GenerateHashingBlob();
+};
+
+
+} /* namespace xmrig */
+
+
+#endif /* XMRIG_BLOCKTEMPLATE_H */
--- a/src/base/tools/cryptonote/Signatures.cpp
+++ b/src/base/tools/cryptonote/Signatures.cpp
@@ -0,0 +1,233 @@
+/* XMRig
+ * Copyright 2012-2013 The Cryptonote developers
+ * Copyright 2014-2021 The Monero Project
+ * Copyright 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "base/crypto/keccak.h"
+#include "base/tools/cryptonote/Signatures.h"
+
+extern "C" {
+
+#include "base/tools/cryptonote/crypto-ops.h"
+
+}
+
+#include "base/tools/Cvt.h"
+
+#ifdef XMRIG_PROXY_PROJECT
+#define PROFILE_SCOPE(x)
+#else
+#include "crypto/rx/Profiler.h"
+#endif
+
+
+struct ec_scalar { char data[32]; };
+struct hash { char data[32]; };
+struct ec_point { char data[32]; };
+struct signature { ec_scalar c, r; };
+struct s_comm { hash h; ec_point key; ec_point comm; };
+
+
+static inline void random_scalar(ec_scalar& res)
+{
+    // Don't care about bias or possible 0 after reduce: probability ~10^-76, not happening in this universe.
+    // Performance matters more. It's a miner after all.
+    xmrig::Cvt::randomBytes(res.data, sizeof(res.data));
+    sc_reduce32((uint8_t*) res.data);
+}
+
+
+static void hash_to_scalar(const void* data, size_t length, ec_scalar& res)
+{
+    xmrig::keccak((const uint8_t*) data, length, (uint8_t*) &res, sizeof(res));
+    sc_reduce32((uint8_t*) &res);
+}
+
+
+static void derivation_to_scalar(const uint8_t* derivation, size_t output_index, ec_scalar& res)
+{
+    struct {
+        uint8_t derivation[32];
+        uint8_t output_index[(sizeof(size_t) * 8 + 6) / 7];
+    } buf;
+
+    uint8_t* end = buf.output_index;
+    memcpy(buf.derivation, derivation, sizeof(buf.derivation));
+
+    size_t k = output_index;
+    while (k >= 0x80) {
+        *(end++) = (static_cast<uint8_t>(k) & 0x7F) | 0x80;
+        k >>= 7;
+    }
+    *(end++) = static_cast<uint8_t>(k);
+
+    hash_to_scalar(&buf, end - reinterpret_cast<uint8_t*>(&buf), res);
+}
+
+
+namespace xmrig {
+
+
+void generate_signature(const uint8_t* prefix_hash, const uint8_t* pub, const uint8_t* sec, uint8_t* sig_bytes)
+{
+    PROFILE_SCOPE(GenerateSignature);
+
+    ge_p3 tmp3;
+    ec_scalar k;
+    s_comm buf;
+
+    memcpy(buf.h.data, prefix_hash, sizeof(buf.h.data));
+    memcpy(buf.key.data, pub, sizeof(buf.key.data));
+
+    signature& sig = *reinterpret_cast<signature*>(sig_bytes);
+
+    do {
+        random_scalar(k);
+        ge_scalarmult_base(&tmp3, (unsigned char*)&k);
+        ge_p3_tobytes((unsigned char*)&buf.comm, &tmp3);
+        hash_to_scalar(&buf, sizeof(s_comm), sig.c);
+
+        if (!sc_isnonzero((const unsigned char*)sig.c.data)) {
+            continue;
+        }
+
+        sc_mulsub((unsigned char*)&sig.r, (unsigned char*)&sig.c, sec, (unsigned char*)&k);
+    } while (!sc_isnonzero((const unsigned char*)sig.r.data));
+}
+
+
+bool check_signature(const uint8_t* prefix_hash, const uint8_t* pub, const uint8_t* sig_bytes)
+{
+    ge_p2 tmp2;
+    ge_p3 tmp3;
+    ec_scalar c;
+    s_comm buf;
+
+    memcpy(buf.h.data, prefix_hash, sizeof(buf.h.data));
+    memcpy(buf.key.data, pub, sizeof(buf.key.data));
+
+    if (ge_frombytes_vartime(&tmp3, pub) != 0) {
+        return false;
+    }
+
+    const signature& sig = *reinterpret_cast<const signature*>(sig_bytes);
+
+    if (sc_check((const uint8_t*)&sig.c) != 0 || sc_check((const uint8_t*)&sig.r) != 0 || !sc_isnonzero((const uint8_t*)&sig.c)) {
+        return false;
+    }
+
+    ge_double_scalarmult_base_vartime(&tmp2, (const uint8_t*)&sig.c, &tmp3, (const uint8_t*)&sig.r);
+    ge_tobytes((uint8_t*)&buf.comm, &tmp2);
+
+    static const ec_point infinity = { { 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} };
+    if (memcmp(&buf.comm, &infinity, 32) == 0) {
+        return false;
+    }
+
+    hash_to_scalar(&buf, sizeof(s_comm), c);
+    sc_sub((uint8_t*)&c, (uint8_t*)&c, (const uint8_t*)&sig.c);
+
+    return sc_isnonzero((uint8_t*)&c) == 0;
+}
+
+
+bool generate_key_derivation(const uint8_t* key1, const uint8_t* key2, uint8_t* derivation)
+{
+    ge_p3 point;
+    ge_p2 point2;
+    ge_p1p1 point3;
+
+    if (ge_frombytes_vartime(&point, key1) != 0) {
+        return false;
+    }
+
+    ge_scalarmult(&point2, key2, &point);
+    ge_mul8(&point3, &point2);
+    ge_p1p1_to_p2(&point2, &point3);
+    ge_tobytes(derivation, &point2);
+
+    return true;
+}
+
+
+void derive_secret_key(const uint8_t* derivation, size_t output_index, const uint8_t* base, uint8_t* derived_key)
+{
+    ec_scalar scalar;
+
+    derivation_to_scalar(derivation, output_index, scalar);
+    sc_add(derived_key, base, (uint8_t*) &scalar);
+}
+
+
+bool derive_public_key(const uint8_t* derivation, size_t output_index, const uint8_t* base, uint8_t* derived_key)
+{
+    ec_scalar scalar;
+    ge_p3 point1;
+    ge_p3 point2;
+    ge_cached point3;
+    ge_p1p1 point4;
+    ge_p2 point5;
+
+    if (ge_frombytes_vartime(&point1, base) != 0) {
+        return false;
+    }
+
+    derivation_to_scalar(derivation, output_index, scalar);
+    ge_scalarmult_base(&point2, (uint8_t*) &scalar);
+    ge_p3_to_cached(&point3, &point2);
+    ge_add(&point4, &point1, &point3);
+    ge_p1p1_to_p2(&point5, &point4);
+    ge_tobytes(derived_key, &point5);
+
+    return true;
+}
+
+
+void derive_view_secret_key(const uint8_t* spend_secret_key, uint8_t* view_secret_key)
+{
+    keccak(spend_secret_key, 32, view_secret_key, 32);
+    sc_reduce32(view_secret_key);
+}
+
+
+void generate_keys(uint8_t* pub, uint8_t* sec)
+{
+    random_scalar(*((ec_scalar*)sec));
+
+    ge_p3 point;
+    ge_scalarmult_base(&point, sec);
+    ge_p3_tobytes(pub, &point);
+}
+
+
+bool secret_key_to_public_key(const uint8_t* sec, uint8_t* pub)
+{
+    if (sc_check(sec) != 0) {
+        return false;
+    }
+
+    ge_p3 point;
+    ge_scalarmult_base(&point, sec);
+    ge_p3_tobytes(pub, &point);
+
+    return true;
+}
+
+
+} /* namespace xmrig */
--- a/src/base/tools/cryptonote/Signatures.h
+++ b/src/base/tools/cryptonote/Signatures.h
@@ -0,0 +1,46 @@
+/* XMRig
+ * Copyright 2012-2013 The Cryptonote developers
+ * Copyright 2014-2021 The Monero Project
+ * Copyright 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef XMRIG_SIGNATURES_H
+#define XMRIG_SIGNATURES_H
+
+
+#include <cstdint>
+
+
+namespace xmrig {
+
+
+void generate_signature(const uint8_t* prefix_hash, const uint8_t* pub, const uint8_t* sec, uint8_t* sig);
+bool check_signature(const uint8_t* prefix_hash, const uint8_t* pub, const uint8_t* sig);
+
+bool generate_key_derivation(const uint8_t* key1, const uint8_t* key2, uint8_t* derivation);
+void derive_secret_key(const uint8_t* derivation, size_t output_index, const uint8_t* base, uint8_t* derived_key);
+bool derive_public_key(const uint8_t* derivation, size_t output_index, const uint8_t* base, uint8_t* derived_key);
+
+void derive_view_secret_key(const uint8_t* spend_secret_key, uint8_t* view_secret_key);
+
+void generate_keys(uint8_t* pub, uint8_t* sec);
+bool secret_key_to_public_key(const uint8_t* sec, uint8_t* pub);
+
+} /* namespace xmrig */
+
+
+#endif /* XMRIG_SIGNATURES_H */
--- a/src/base/tools/cryptonote/WalletAddress.cpp
+++ b/src/base/tools/cryptonote/WalletAddress.cpp
@@ -0,0 +1,114 @@
+/* XMRig
+ * Copyright 2012-2013 The Cryptonote developers
+ * Copyright 2014-2021 The Monero Project
+ * Copyright 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "base/crypto/keccak.h"
+#include "base/tools/cryptonote/BlobReader.h"
+#include "base/tools/cryptonote/WalletAddress.h"
+#include "base/tools/cryptonote/umul128.h"
+#include "base/tools/Buffer.h"
+#include <array>
+
+
+namespace xmrig {
+
+
+bool WalletAddress::Decode(const String& address)
+{
+    static constexpr std::array<int, 9> block_sizes{ 0, 2, 3, 5, 6, 7, 9, 10, 11 };
+    static constexpr char alphabet[] = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz";
+    constexpr size_t alphabet_size = sizeof(alphabet) - 1;
+
+    int8_t reverse_alphabet[256];
+    memset(reverse_alphabet, -1, sizeof(reverse_alphabet));
+
+    for (size_t i = 0; i < alphabet_size; ++i) {
+        reverse_alphabet[static_cast<int>(alphabet[i])] = i;
+    }
+
+    const int len = static_cast<int>(address.size());
+    const int num_full_blocks = len / block_sizes.back();
+    const int last_block_size = len % block_sizes.back();
+
+    int last_block_size_index = -1;
+
+    for (size_t i = 0; i < block_sizes.size(); ++i) {
+        if (block_sizes[i] == last_block_size) {
+            last_block_size_index = i;
+            break;
+        }
+    }
+
+    if (last_block_size_index < 0) {
+        return false;
+    }
+
+    Buffer data;
+    data.reserve(static_cast<size_t>(num_full_blocks) * sizeof(uint64_t) + last_block_size_index);
+
+    const char* address_data = address.data();
+
+    for (int i = 0; i <= num_full_blocks; ++i) {
+        uint64_t num = 0;
+        uint64_t order = 1;
+
+        for (int j = ((i < num_full_blocks) ? block_sizes.back() : last_block_size) - 1; j >= 0; --j) {
+            const int digit = reverse_alphabet[static_cast<int>(address_data[j])];
+            if (digit < 0) {
+                return false;
+            }
+
+            uint64_t hi;
+            const uint64_t tmp = num + __umul128(order, static_cast<uint64_t>(digit), &hi);
+            if ((tmp < num) || hi) {
+                return false;
+            }
+
+            num = tmp;
+            order *= alphabet_size;
+        }
+
+        address_data += block_sizes.back();
+
+        uint8_t* p = reinterpret_cast<uint8_t*>(&num);
+        for (int j = ((i < num_full_blocks) ? sizeof(num) : last_block_size_index) - 1; j >= 0; --j) {
+            data.emplace_back(p[j]);
+        }
+    }
+
+    CBlobReader ar(data.data(), data.size());
+
+    ar(tag);
+    ar(public_spend_key);
+    ar(public_view_key);
+    ar(checksum);
+
+    uint8_t md[200];
+    keccak(data.data(), data.size() - sizeof(checksum), md);
+
+    if (memcmp(checksum, md, sizeof(checksum)) != 0) {
+        return false;
+    }
+
+    return true;
+}
+
+
+} /* namespace xmrig */
--- a/src/base/tools/cryptonote/WalletAddress.h
+++ b/src/base/tools/cryptonote/WalletAddress.h
@@ -0,0 +1,45 @@
+/* XMRig
+ * Copyright 2012-2013 The Cryptonote developers
+ * Copyright 2014-2021 The Monero Project
+ * Copyright 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef XMRIG_WALLETADDRESS_H
+#define XMRIG_WALLETADDRESS_H
+
+
+#include "base/tools/String.h"
+
+
+namespace xmrig {
+
+
+struct WalletAddress
+{
+    uint64_t tag;
+    uint8_t public_spend_key[32];
+    uint8_t public_view_key[32];
+    uint8_t checksum[4];
+
+    bool Decode(const String& address);
+};
+
+
+} /* namespace xmrig */
+
+
+#endif /* XMRIG_WALLETADDRESS_H */
--- a/src/base/tools/cryptonote/crypto-ops-data.c
+++ b/src/base/tools/cryptonote/crypto-ops-data.c
@@ -0,0 +1,879 @@
+// Copyright (c) 2014-2020, 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.
+// 
+// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
+
+#include <stdint.h>
+
+#include "crypto-ops.h"
+
+/* sqrt(x) is such an integer y that 0 <= y <= p - 1, y % 2 = 0, and y^2 = x (mod p). */
+/* d = -121665 / 121666 */
+const fe fe_d = {-10913610, 13857413, -15372611, 6949391, 114729, -8787816, -6275908, -3247719, -18696448, -12055116}; /* d */
+const fe fe_sqrtm1 = {-32595792, -7943725, 9377950, 3500415, 12389472, -272473, -25146209, -2005654, 326686, 11406482}; /* sqrt(-1) */
+const fe fe_d2 = {-21827239, -5839606, -30745221, 13898782, 229458, 15978800, -12551817, -6495438, 29715968, 9444199}; /* 2 * d */
+
+/* base[i][j] = (j+1)*256^i*B */
+const ge_precomp ge_base[32][8] = {
+  {
+    {{25967493, -14356035, 29566456, 3660896, -12694345, 4014787, 27544626, -11754271, -6079156, 2047605},
+     {-12545711, 934262, -2722910, 3049990, -727428, 9406986, 12720692, 5043384, 19500929, -15469378},
+     {-8738181, 4489570, 9688441, -14785194, 10184609, -12363380, 29287919, 11864899, -24514362, -4438546}},
+    {{-12815894, -12976347, -21581243, 11784320, -25355658, -2750717, -11717903, -3814571, -358445, -10211303},
+     {-21703237, 6903825, 27185491, 6451973, -29577724, -9554005, -15616551, 11189268, -26829678, -5319081},
+     {26966642, 11152617, 32442495, 15396054, 14353839, -12752335, -3128826, -9541118, -15472047, -4166697}},
+    {{15636291, -9688557, 24204773, -7912398, 616977, -16685262, 27787600, -14772189, 28944400, -1550024},
+     {16568933, 4717097, -11556148, -1102322, 15682896, -11807043, 16354577, -11775962, 7689662, 11199574},
+     {30464156, -5976125, -11779434, -15670865, 23220365, 15915852, 7512774, 10017326, -17749093, -9920357}},
+    {{-17036878, 13921892, 10945806, -6033431, 27105052, -16084379, -28926210, 15006023, 3284568, -6276540},
+     {23599295, -8306047, -11193664, -7687416, 13236774, 10506355, 7464579, 9656445, 13059162, 10374397},
+     {7798556, 16710257, 3033922, 2874086, 28997861, 2835604, 32406664, -3839045, -641708, -101325}},
+    {{10861363, 11473154, 27284546, 1981175, -30064349, 12577861, 32867885, 14515107, -15438304, 10819380},
+     {4708026, 6336745, 20377586, 9066809, -11272109, 6594696, -25653668, 12483688, -12668491, 5581306},
+     {19563160, 16186464, -29386857, 4097519, 10237984, -4348115, 28542350, 13850243, -23678021, -15815942}},
+    {{-15371964, -12862754, 32573250, 4720197, -26436522, 5875511, -19188627, -15224819, -9818940, -12085777},
+     {-8549212, 109983, 15149363, 2178705, 22900618, 4543417, 3044240, -15689887, 1762328, 14866737},
+     {-18199695, -15951423, -10473290, 1707278, -17185920, 3916101, -28236412, 3959421, 27914454, 4383652}},
+    {{5153746, 9909285, 1723747, -2777874, 30523605, 5516873, 19480852, 5230134, -23952439, -15175766},
+     {-30269007, -3463509, 7665486, 10083793, 28475525, 1649722, 20654025, 16520125, 30598449, 7715701},
+     {28881845, 14381568, 9657904, 3680757, -20181635, 7843316, -31400660, 1370708, 29794553, -1409300}},
+    {{14499471, -2729599, -33191113, -4254652, 28494862, 14271267, 30290735, 10876454, -33154098, 2381726},
+     {-7195431, -2655363, -14730155, 462251, -27724326, 3941372, -6236617, 3696005, -32300832, 15351955},
+     {27431194, 8222322, 16448760, -3907995, -18707002, 11938355, -32961401, -2970515, 29551813, 10109425}}
+  }, {
+    {{-13657040, -13155431, -31283750, 11777098, 21447386, 6519384, -2378284, -1627556, 10092783, -4764171},
+     {27939166, 14210322, 4677035, 16277044, -22964462, -12398139, -32508754, 12005538, -17810127, 12803510},
+     {17228999, -15661624, -1233527, 300140, -1224870, -11714777, 30364213, -9038194, 18016357, 4397660}},
+    {{-10958843, -7690207, 4776341, -14954238, 27850028, -15602212, -26619106, 14544525, -17477504, 982639},
+     {29253598, 15796703, -2863982, -9908884, 10057023, 3163536, 7332899, -4120128, -21047696, 9934963},
+     {5793303, 16271923, -24131614, -10116404, 29188560, 1206517, -14747930, 4559895, -30123922, -10897950}},
+    {{-27643952, -11493006, 16282657, -11036493, 28414021, -15012264, 24191034, 4541697, -13338309, 5500568},
+     {12650548, -1497113, 9052871, 11355358, -17680037, -8400164, -17430592, 12264343, 10874051, 13524335},
+     {25556948, -3045990, 714651, 2510400, 23394682, -10415330, 33119038, 5080568, -22528059, 5376628}},
+    {{-26088264, -4011052, -17013699, -3537628, -6726793, 1920897, -22321305, -9447443, 4535768, 1569007},
+     {-2255422, 14606630, -21692440, -8039818, 28430649, 8775819, -30494562, 3044290, 31848280, 12543772},
+     {-22028579, 2943893, -31857513, 6777306, 13784462, -4292203, -27377195, -2062731, 7718482, 14474653}},
+    {{2385315, 2454213, -22631320, 46603, -4437935, -15680415, 656965, -7236665, 24316168, -5253567},
+     {13741529, 10911568, -33233417, -8603737, -20177830, -1033297, 33040651, -13424532, -20729456, 8321686},
+     {21060490, -2212744, 15712757, -4336099, 1639040, 10656336, 23845965, -11874838, -9984458, 608372}},
+    {{-13672732, -15087586, -10889693, -7557059, -6036909, 11305547, 1123968, -6780577, 27229399, 23887},
+     {-23244140, -294205, -11744728, 14712571, -29465699, -2029617, 12797024, -6440308, -1633405, 16678954},
+     {-29500620, 4770662, -16054387, 14001338, 7830047, 9564805, -1508144, -4795045, -17169265, 4904953}},
+    {{24059557, 14617003, 19037157, -15039908, 19766093, -14906429, 5169211, 16191880, 2128236, -4326833},
+     {-16981152, 4124966, -8540610, -10653797, 30336522, -14105247, -29806336, 916033, -6882542, -2986532},
+     {-22630907, 12419372, -7134229, -7473371, -16478904, 16739175, 285431, 2763829, 15736322, 4143876}},
+    {{2379352, 11839345, -4110402, -5988665, 11274298, 794957, 212801, -14594663, 23527084, -16458268},
+     {33431127, -11130478, -17838966, -15626900, 8909499, 8376530, -32625340, 4087881, -15188911, -14416214},
+     {1767683, 7197987, -13205226, -2022635, -13091350, 448826, 5799055, 4357868, -4774191, -16323038}}
+  }, {
+    {{6721966, 13833823, -23523388, -1551314, 26354293, -11863321, 23365147, -3949732, 7390890, 2759800},
+     {4409041, 2052381, 23373853, 10530217, 7676779, -12885954, 21302353, -4264057, 1244380, -12919645},
+     {-4421239, 7169619, 4982368, -2957590, 30256825, -2777540, 14086413, 9208236, 15886429, 16489664}},
+    {{1996075, 10375649, 14346367, 13311202, -6874135, -16438411, -13693198, 398369, -30606455, -712933},
+     {-25307465, 9795880, -2777414, 14878809, -33531835, 14780363, 13348553, 12076947, -30836462, 5113182},
+     {-17770784, 11797796, 31950843, 13929123, -25888302, 12288344, -30341101, -7336386, 13847711, 5387222}},
+    {{-18582163, -3416217, 17824843, -2340966, 22744343, -10442611, 8763061, 3617786, -19600662, 10370991},
+     {20246567, -14369378, 22358229, -543712, 18507283, -10413996, 14554437, -8746092, 32232924, 16763880},
+     {9648505, 10094563, 26416693, 14745928, -30374318, -6472621, 11094161, 15689506, 3140038, -16510092}},
+    {{-16160072, 5472695, 31895588, 4744994, 8823515, 10365685, -27224800, 9448613, -28774454, 366295},
+     {19153450, 11523972, -11096490, -6503142, -24647631, 5420647, 28344573, 8041113, 719605, 11671788},
+     {8678025, 2694440, -6808014, 2517372, 4964326, 11152271, -15432916, -15266516, 27000813, -10195553}},
+    {{-15157904, 7134312, 8639287, -2814877, -7235688, 10421742, 564065, 5336097, 6750977, -14521026},
+     {11836410, -3979488, 26297894, 16080799, 23455045, 15735944, 1695823, -8819122, 8169720, 16220347},
+     {-18115838, 8653647, 17578566, -6092619, -8025777, -16012763, -11144307, -2627664, -5990708, -14166033}},
+    {{-23308498, -10968312, 15213228, -10081214, -30853605, -11050004, 27884329, 2847284, 2655861, 1738395},
+     {-27537433, -14253021, -25336301, -8002780, -9370762, 8129821, 21651608, -3239336, -19087449, -11005278},
+     {1533110, 3437855, 23735889, 459276, 29970501, 11335377, 26030092, 5821408, 10478196, 8544890}},
+    {{32173121, -16129311, 24896207, 3921497, 22579056, -3410854, 19270449, 12217473, 17789017, -3395995},
+     {-30552961, -2228401, -15578829, -10147201, 13243889, 517024, 15479401, -3853233, 30460520, 1052596},
+     {-11614875, 13323618, 32618793, 8175907, -15230173, 12596687, 27491595, -4612359, 3179268, -9478891}},
+    {{31947069, -14366651, -4640583, -15339921, -15125977, -6039709, -14756777, -16411740, 19072640, -9511060},
+     {11685058, 11822410, 3158003, -13952594, 33402194, -4165066, 5977896, -5215017, 473099, 5040608},
+     {-20290863, 8198642, -27410132, 11602123, 1290375, -2799760, 28326862, 1721092, -19558642, -3131606}}
+  }, {
+    {{7881532, 10687937, 7578723, 7738378, -18951012, -2553952, 21820786, 8076149, -27868496, 11538389},
+     {-19935666, 3899861, 18283497, -6801568, -15728660, -11249211, 8754525, 7446702, -5676054, 5797016},
+     {-11295600, -3793569, -15782110, -7964573, 12708869, -8456199, 2014099, -9050574, -2369172, -5877341}},
+    {{-22472376, -11568741, -27682020, 1146375, 18956691, 16640559, 1192730, -3714199, 15123619, 10811505},
+     {14352098, -3419715, -18942044, 10822655, 32750596, 4699007, -70363, 15776356, -28886779, -11974553},
+     {-28241164, -8072475, -4978962, -5315317, 29416931, 1847569, -20654173, -16484855, 4714547, -9600655}},
+    {{15200332, 8368572, 19679101, 15970074, -31872674, 1959451, 24611599, -4543832, -11745876, 12340220},
+     {12876937, -10480056, 33134381, 6590940, -6307776, 14872440, 9613953, 8241152, 15370987, 9608631},
+     {-4143277, -12014408, 8446281, -391603, 4407738, 13629032, -7724868, 15866074, -28210621, -8814099}},
+    {{26660628, -15677655, 8393734, 358047, -7401291, 992988, -23904233, 858697, 20571223, 8420556},
+     {14620715, 13067227, -15447274, 8264467, 14106269, 15080814, 33531827, 12516406, -21574435, -12476749},
+     {236881, 10476226, 57258, -14677024, 6472998, 2466984, 17258519, 7256740, 8791136, 15069930}},
+    {{1276410, -9371918, 22949635, -16322807, -23493039, -5702186, 14711875, 4874229, -30663140, -2331391},
+     {5855666, 4990204, -13711848, 7294284, -7804282, 1924647, -1423175, -7912378, -33069337, 9234253},
+     {20590503, -9018988, 31529744, -7352666, -2706834, 10650548, 31559055, -11609587, 18979186, 13396066}},
+    {{24474287, 4968103, 22267082, 4407354, 24063882, -8325180, -18816887, 13594782, 33514650, 7021958},
+     {-11566906, -6565505, -21365085, 15928892, -26158305, 4315421, -25948728, -3916677, -21480480, 12868082},
+     {-28635013, 13504661, 19988037, -2132761, 21078225, 6443208, -21446107, 2244500, -12455797, -8089383}},
+    {{-30595528, 13793479, -5852820, 319136, -25723172, -6263899, 33086546, 8957937, -15233648, 5540521},
+     {-11630176, -11503902, -8119500, -7643073, 2620056, 1022908, -23710744, -1568984, -16128528, -14962807},
+     {23152971, 775386, 27395463, 14006635, -9701118, 4649512, 1689819, 892185, -11513277, -15205948}},
+    {{9770129, 9586738, 26496094, 4324120, 1556511, -3550024, 27453819, 4763127, -19179614, 5867134},
+     {-32765025, 1927590, 31726409, -4753295, 23962434, -16019500, 27846559, 5931263, -29749703, -16108455},
+     {27461885, -2977536, 22380810, 1815854, -23033753, -3031938, 7283490, -15148073, -19526700, 7734629}}
+  }, {
+    {{-8010264, -9590817, -11120403, 6196038, 29344158, -13430885, 7585295, -3176626, 18549497, 15302069},
+     {-32658337, -6171222, -7672793, -11051681, 6258878, 13504381, 10458790, -6418461, -8872242, 8424746},
+     {24687205, 8613276, -30667046, -3233545, 1863892, -1830544, 19206234, 7134917, -11284482, -828919}},
+    {{11334899, -9218022, 8025293, 12707519, 17523892, -10476071, 10243738, -14685461, -5066034, 16498837},
+     {8911542, 6887158, -9584260, -6958590, 11145641, -9543680, 17303925, -14124238, 6536641, 10543906},
+     {-28946384, 15479763, -17466835, 568876, -1497683, 11223454, -2669190, -16625574, -27235709, 8876771}},
+    {{-25742899, -12566864, -15649966, -846607, -33026686, -796288, -33481822, 15824474, -604426, -9039817},
+     {10330056, 70051, 7957388, -9002667, 9764902, 15609756, 27698697, -4890037, 1657394, 3084098},
+     {10477963, -7470260, 12119566, -13250805, 29016247, -5365589, 31280319, 14396151, -30233575, 15272409}},
+    {{-12288309, 3169463, 28813183, 16658753, 25116432, -5630466, -25173957, -12636138, -25014757, 1950504},
+     {-26180358, 9489187, 11053416, -14746161, -31053720, 5825630, -8384306, -8767532, 15341279, 8373727},
+     {28685821, 7759505, -14378516, -12002860, -31971820, 4079242, 298136, -10232602, -2878207, 15190420}},
+    {{-32932876, 13806336, -14337485, -15794431, -24004620, 10940928, 8669718, 2742393, -26033313, -6875003},
+     {-1580388, -11729417, -25979658, -11445023, -17411874, -10912854, 9291594, -16247779, -12154742, 6048605},
+     {-30305315, 14843444, 1539301, 11864366, 20201677, 1900163, 13934231, 5128323, 11213262, 9168384}},
+    {{-26280513, 11007847, 19408960, -940758, -18592965, -4328580, -5088060, -11105150, 20470157, -16398701},
+     {-23136053, 9282192, 14855179, -15390078, -7362815, -14408560, -22783952, 14461608, 14042978, 5230683},
+     {29969567, -2741594, -16711867, -8552442, 9175486, -2468974, 21556951, 3506042, -5933891, -12449708}},
+    {{-3144746, 8744661, 19704003, 4581278, -20430686, 6830683, -21284170, 8971513, -28539189, 15326563},
+     {-19464629, 10110288, -17262528, -3503892, -23500387, 1355669, -15523050, 15300988, -20514118, 9168260},
+     {-5353335, 4488613, -23803248, 16314347, 7780487, -15638939, -28948358, 9601605, 33087103, -9011387}},
+    {{-19443170, -15512900, -20797467, -12445323, -29824447, 10229461, -27444329, -15000531, -5996870, 15664672},
+     {23294591, -16632613, -22650781, -8470978, 27844204, 11461195, 13099750, -2460356, 18151676, 13417686},
+     {-24722913, -4176517, -31150679, 5988919, -26858785, 6685065, 1661597, -12551441, 15271676, -15452665}}
+  }, {
+    {{11433042, -13228665, 8239631, -5279517, -1985436, -725718, -18698764, 2167544, -6921301, -13440182},
+     {-31436171, 15575146, 30436815, 12192228, -22463353, 9395379, -9917708, -8638997, 12215110, 12028277},
+     {14098400, 6555944, 23007258, 5757252, -15427832, -12950502, 30123440, 4617780, -16900089, -655628}},
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+    {{-5037580, -13028295, -2970559, -3061767, 15640974, -6701666, -26739026, 926050, -1684339, -13333647},
+     {13908495, -3549272, 30919928, -6273825, -21521863, 7989039, 9021034, 9078865, 3353509, 4033511},
+     {-29663431, -15113610, 32259991, -344482, 24295849, -12912123, 23161163, 8839127, 27485041, 7356032}}
+  }, {
+    {{9661027, 705443, 11980065, -5370154, -1628543, 14661173, -6346142, 2625015, 28431036, -16771834},
+     {-23839233, -8311415, -25945511, 7480958, -17681669, -8354183, -22545972, 14150565, 15970762, 4099461},
+     {29262576, 16756590, 26350592, -8793563, 8529671, -11208050, 13617293, -9937143, 11465739, 8317062}},
+    {{-25493081, -6962928, 32500200, -9419051, -23038724, -2302222, 14898637, 3848455, 20969334, -5157516},
+     {-20384450, -14347713, -18336405, 13884722, -33039454, 2842114, -21610826, -3649888, 11177095, 14989547},
+     {-24496721, -11716016, 16959896, 2278463, 12066309, 10137771, 13515641, 2581286, -28487508, 9930240}},
+    {{-17751622, -2097826, 16544300, -13009300, -15914807, -14949081, 18345767, -13403753, 16291481, -5314038},
+     {-33229194, 2553288, 32678213, 9875984, 8534129, 6889387, -9676774, 6957617, 4368891, 9788741},
+     {16660756, 7281060, -10830758, 12911820, 20108584, -8101676, -21722536, -8613148, 16250552, -11111103}},
+    {{-19765507, 2390526, -16551031, 14161980, 1905286, 6414907, 4689584, 10604807, -30190403, 4782747},
+     {-1354539, 14736941, -7367442, -13292886, 7710542, -14155590, -9981571, 4383045, 22546403, 437323},
+     {31665577, -12180464, -16186830, 1491339, -18368625, 3294682, 27343084, 2786261, -30633590, -14097016}},
+    {{-14467279, -683715, -33374107, 7448552, 19294360, 14334329, -19690631, 2355319, -19284671, -6114373},
+     {15121312, -15796162, 6377020, -6031361, -10798111, -12957845, 18952177, 15496498, -29380133, 11754228},
+     {-2637277, -13483075, 8488727, -14303896, 12728761, -1622493, 7141596, 11724556, 22761615, -10134141}},
+    {{16918416, 11729663, -18083579, 3022987, -31015732, -13339659, -28741185, -12227393, 32851222, 11717399},
+     {11166634, 7338049, -6722523, 4531520, -29468672, -7302055, 31474879, 3483633, -1193175, -4030831},
+     {-185635, 9921305, 31456609, -13536438, -12013818, 13348923, 33142652, 6546660, -19985279, -3948376}},
+    {{-32460596, 11266712, -11197107, -7899103, 31703694, 3855903, -8537131, -12833048, -30772034, -15486313},
+     {-18006477, 12709068, 3991746, -6479188, -21491523, -10550425, -31135347, -16049879, 10928917, 3011958},
+     {-6957757, -15594337, 31696059, 334240, 29576716, 14796075, -30831056, -12805180, 18008031, 10258577}},
+    {{-22448644, 15655569, 7018479, -4410003, -30314266, -1201591, -1853465, 1367120, 25127874, 6671743},
+     {29701166, -14373934, -10878120, 9279288, -17568, 13127210, 21382910, 11042292, 25838796, 4642684},
+     {-20430234, 14955537, -24126347, 8124619, -5369288, -5990470, 30468147, -13900640, 18423289, 4177476}}
+  }
+};
+
+const ge_precomp ge_Bi[8] = {
+  {{25967493, -14356035, 29566456, 3660896, -12694345, 4014787, 27544626, -11754271, -6079156, 2047605},
+   {-12545711, 934262, -2722910, 3049990, -727428, 9406986, 12720692, 5043384, 19500929, -15469378},
+   {-8738181, 4489570, 9688441, -14785194, 10184609, -12363380, 29287919, 11864899, -24514362, -4438546}}, {{15636291, -9688557, 24204773, -7912398, 616977, -16685262, 27787600, -14772189, 28944400, -1550024},
+   {16568933, 4717097, -11556148, -1102322, 15682896, -11807043, 16354577, -11775962, 7689662, 11199574},
+   {30464156, -5976125, -11779434, -15670865, 23220365, 15915852, 7512774, 10017326, -17749093, -9920357}}, {{10861363, 11473154, 27284546, 1981175, -30064349, 12577861, 32867885, 14515107, -15438304, 10819380},
+   {4708026, 6336745, 20377586, 9066809, -11272109, 6594696, -25653668, 12483688, -12668491, 5581306},
+   {19563160, 16186464, -29386857, 4097519, 10237984, -4348115, 28542350, 13850243, -23678021, -15815942}}, {{5153746, 9909285, 1723747, -2777874, 30523605, 5516873, 19480852, 5230134, -23952439, -15175766},
+   {-30269007, -3463509, 7665486, 10083793, 28475525, 1649722, 20654025, 16520125, 30598449, 7715701},
+   {28881845, 14381568, 9657904, 3680757, -20181635, 7843316, -31400660, 1370708, 29794553, -1409300}}, {{-22518993, -6692182, 14201702, -8745502, -23510406, 8844726, 18474211, -1361450, -13062696, 13821877},
+   {-6455177, -7839871, 3374702, -4740862, -27098617, -10571707, 31655028, -7212327, 18853322, -14220951},
+   {4566830, -12963868, -28974889, -12240689, -7602672, -2830569, -8514358, -10431137, 2207753, -3209784}}, {{-25154831, -4185821, 29681144, 7868801, -6854661, -9423865, -12437364, -663000, -31111463, -16132436},
+   {25576264, -2703214, 7349804, -11814844, 16472782, 9300885, 3844789, 15725684, 171356, 6466918},
+   {23103977, 13316479, 9739013, -16149481, 817875, -15038942, 8965339, -14088058, -30714912, 16193877}}, {{-33521811, 3180713, -2394130, 14003687, -16903474, -16270840, 17238398, 4729455, -18074513, 9256800},
+   {-25182317, -4174131, 32336398, 5036987, -21236817, 11360617, 22616405, 9761698, -19827198, 630305},
+   {-13720693, 2639453, -24237460, -7406481, 9494427, -5774029, -6554551, -15960994, -2449256, -14291300}}, {{-3151181, -5046075, 9282714, 6866145, -31907062, -863023, -18940575, 15033784, 25105118, -7894876},
+   {-24326370, 15950226, -31801215, -14592823, -11662737, -5090925, 1573892, -2625887, 2198790, -15804619},
+   {-3099351, 10324967, -2241613, 7453183, -5446979, -2735503, -13812022, -16236442, -32461234, -12290683}}
+};
+
+/* A = 2 * (1 - d) / (1 + d) = 486662 */
+const fe fe_ma2 = {-12721188, -3529, 0, 0, 0, 0, 0, 0, 0, 0}; /* -A^2 */
+const fe fe_ma = {-486662, 0, 0, 0, 0, 0, 0, 0, 0, 0}; /* -A */
+const fe fe_fffb1 = {-31702527, -2466483, -26106795, -12203692, -12169197, -321052, 14850977, -10296299, -16929438, -407568}; /* sqrt(-2 * A * (A + 2)) */
+const fe fe_fffb2 = {8166131, -6741800, -17040804, 3154616, 21461005, 1466302, -30876704, -6368709, 10503587, -13363080}; /* sqrt(2 * A * (A + 2)) */
+const fe fe_fffb3 = {-13620103, 14639558, 4532995, 7679154, 16815101, -15883539, -22863840, -14813421, 13716513, -6477756}; /* sqrt(-sqrt(-1) * A * (A + 2)) */
+const fe fe_fffb4 = {-21786234, -12173074, 21573800, 4524538, -4645904, 16204591, 8012863, -8444712, 3212926, 6885324}; /* sqrt(sqrt(-1) * A * (A + 2)) */
+const ge_p3 ge_p3_identity = { {0}, {1, 0}, {1, 0}, {0} };
+const ge_p3 ge_p3_H = {
+  {7329926, -15101362, 31411471, 7614783, 27996851, -3197071, -11157635, -6878293, 466949, -7986503},
+  {5858699, 5096796, 21321203, -7536921, -5553480, -11439507, -5627669, 15045946, 19977121, 5275251},
+  {1, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+  {23443568, -5110398, -8776029, -4345135, 6889568, -14710814, 7474843, 3279062, 14550766, -7453428}
+};
--- a/src/base/tools/cryptonote/crypto-ops.c
+++ b/src/base/tools/cryptonote/crypto-ops.c
--- a/src/base/tools/cryptonote/crypto-ops.h
+++ b/src/base/tools/cryptonote/crypto-ops.h
@@ -0,0 +1,165 @@
+// Copyright (c) 2014-2020, 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.
+// 
+// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
+
+#pragma once
+
+/* From fe.h */
+
+typedef int32_t fe[10];
+
+/* From ge.h */
+
+typedef struct {
+  fe X;
+  fe Y;
+  fe Z;
+} ge_p2;
+
+typedef struct {
+  fe X;
+  fe Y;
+  fe Z;
+  fe T;
+} ge_p3;
+
+typedef struct {
+  fe X;
+  fe Y;
+  fe Z;
+  fe T;
+} ge_p1p1;
+
+typedef struct {
+  fe yplusx;
+  fe yminusx;
+  fe xy2d;
+} ge_precomp;
+
+typedef struct {
+  fe YplusX;
+  fe YminusX;
+  fe Z;
+  fe T2d;
+} ge_cached;
+
+/* From ge_add.c */
+
+void ge_add(ge_p1p1 *, const ge_p3 *, const ge_cached *);
+
+/* From ge_double_scalarmult.c, modified */
+
+typedef ge_cached ge_dsmp[8];
+extern const ge_precomp ge_Bi[8];
+void ge_dsm_precomp(ge_dsmp r, const ge_p3 *s);
+void ge_double_scalarmult_base_vartime(ge_p2 *, const unsigned char *, const ge_p3 *, const unsigned char *);
+void ge_triple_scalarmult_base_vartime(ge_p2 *, const unsigned char *, const unsigned char *, const ge_dsmp, const unsigned char *, const ge_dsmp);
+void ge_double_scalarmult_base_vartime_p3(ge_p3 *, const unsigned char *, const ge_p3 *, const unsigned char *);
+
+/* From ge_frombytes.c, modified */
+
+extern const fe fe_sqrtm1;
+extern const fe fe_d;
+int ge_frombytes_vartime(ge_p3 *, const unsigned char *);
+
+/* From ge_p1p1_to_p2.c */
+
+void ge_p1p1_to_p2(ge_p2 *, const ge_p1p1 *);
+
+/* From ge_p1p1_to_p3.c */
+
+void ge_p1p1_to_p3(ge_p3 *, const ge_p1p1 *);
+
+/* From ge_p2_dbl.c */
+
+void ge_p2_dbl(ge_p1p1 *, const ge_p2 *);
+
+/* From ge_p3_to_cached.c */
+
+extern const fe fe_d2;
+void ge_p3_to_cached(ge_cached *, const ge_p3 *);
+
+/* From ge_p3_to_p2.c */
+
+void ge_p3_to_p2(ge_p2 *, const ge_p3 *);
+
+/* From ge_p3_tobytes.c */
+
+void ge_p3_tobytes(unsigned char *, const ge_p3 *);
+
+/* From ge_scalarmult_base.c */
+
+extern const ge_precomp ge_base[32][8];
+void ge_scalarmult_base(ge_p3 *, const unsigned char *);
+
+/* From ge_tobytes.c */
+
+void ge_tobytes(unsigned char *, const ge_p2 *);
+
+/* From sc_reduce.c */
+
+void sc_reduce(unsigned char *);
+
+/* New code */
+
+void ge_scalarmult(ge_p2 *, const unsigned char *, const ge_p3 *);
+void ge_scalarmult_p3(ge_p3 *, const unsigned char *, const ge_p3 *);
+void ge_double_scalarmult_precomp_vartime(ge_p2 *, const unsigned char *, const ge_p3 *, const unsigned char *, const ge_dsmp);
+void ge_triple_scalarmult_precomp_vartime(ge_p2 *, const unsigned char *, const ge_dsmp, const unsigned char *, const ge_dsmp, const unsigned char *, const ge_dsmp);
+void ge_double_scalarmult_precomp_vartime2(ge_p2 *, const unsigned char *, const ge_dsmp, const unsigned char *, const ge_dsmp);
+void ge_double_scalarmult_precomp_vartime2_p3(ge_p3 *, const unsigned char *, const ge_dsmp, const unsigned char *, const ge_dsmp);
+void ge_mul8(ge_p1p1 *, const ge_p2 *);
+extern const fe fe_ma2;
+extern const fe fe_ma;
+extern const fe fe_fffb1;
+extern const fe fe_fffb2;
+extern const fe fe_fffb3;
+extern const fe fe_fffb4;
+extern const ge_p3 ge_p3_identity;
+extern const ge_p3 ge_p3_H;
+void ge_fromfe_frombytes_vartime(ge_p2 *, const unsigned char *);
+void sc_0(unsigned char *);
+void sc_reduce32(unsigned char *);
+void sc_add(unsigned char *, const unsigned char *, const unsigned char *);
+void sc_sub(unsigned char *, const unsigned char *, const unsigned char *);
+void sc_mulsub(unsigned char *, const unsigned char *, const unsigned char *, const unsigned char *);
+void sc_mul(unsigned char *, const unsigned char *, const unsigned char *);
+void sc_muladd(unsigned char *s, const unsigned char *a, const unsigned char *b, const unsigned char *c);
+int sc_check(const unsigned char *);
+int sc_isnonzero(const unsigned char *); /* Doesn't normalize */
+
+// internal
+uint64_t load_3(const unsigned char *in);
+uint64_t load_4(const unsigned char *in);
+void ge_sub(ge_p1p1 *r, const ge_p3 *p, const ge_cached *q);
+void fe_add(fe h, const fe f, const fe g);
+void fe_tobytes(unsigned char *, const fe);
+void fe_invert(fe out, const fe z);
+
+int ge_p3_is_point_at_infinity(const ge_p3 *p);
--- a/src/base/tools/cryptonote/umul128.h
+++ b/src/base/tools/cryptonote/umul128.h
@@ -0,0 +1,68 @@
+/*
+  * This program is free software: you can redistribute it and/or modify
+  * it under the terms of the GNU General Public License as published by
+  * the Free Software Foundation, either version 3 of the License, or
+  * any later version.
+  *
+  * This program is distributed in the hope that it will be useful,
+  * but WITHOUT ANY WARRANTY; without even the implied warranty of
+  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+  * GNU General Public License for more details.
+  *
+  * You should have received a copy of the GNU General Public License
+  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+  *
+  * Additional permission under GNU GPL version 3 section 7
+  *
+  * If you modify this Program, or any covered work, by linking or combining
+  * it with OpenSSL (or a modified version of that library), containing parts
+  * covered by the terms of OpenSSL License and SSLeay License, the licensors
+  * of this Program grant you additional permission to convey the resulting work.
+  *
+  */
+
+#pragma once
+
+
+#include <cstdint>
+
+#ifdef XMRIG_64_BIT
+#   ifdef _MSC_VER
+#       include <intrin.h>
+#       pragma intrinsic(_umul128)
+#       define __umul128 _umul128
+#   elif defined __GNUC__
+        static inline uint64_t _umul128(uint64_t a, uint64_t b, uint64_t* hi)
+        {
+            unsigned __int128 r = (unsigned __int128) a * (unsigned __int128) b;
+            *hi = r >> 64;
+            return (uint64_t) r;
+        }
+#       define __umul128 _umul128
+#   endif
+#else
+static inline uint64_t __umul128(uint64_t multiplier, uint64_t multiplicand, uint64_t *product_hi) {
+    // multiplier   = ab = a * 2^32 + b
+    // multiplicand = cd = c * 2^32 + d
+    // ab * cd = a * c * 2^64 + (a * d + b * c) * 2^32 + b * d
+    uint64_t a = multiplier >> 32;
+    uint64_t b = multiplier & 0xFFFFFFFF;
+    uint64_t c = multiplicand >> 32;
+    uint64_t d = multiplicand & 0xFFFFFFFF;
+
+    //uint64_t ac = a * c;
+    uint64_t ad = a * d;
+    //uint64_t bc = b * c;
+    uint64_t bd = b * d;
+
+    uint64_t adbc = ad + (b * c);
+    uint64_t adbc_carry = adbc < ad ? 1 : 0;
+
+    // multiplier * multiplicand = product_hi * 2^64 + product_lo
+    uint64_t product_lo = bd + (adbc << 32);
+    uint64_t product_lo_carry = product_lo < bd ? 1 : 0;
+    *product_hi = (a * c) + (adbc >> 32) + (adbc_carry << 32) + product_lo_carry;
+
+    return product_lo;
+}
+#endif
--- a/src/core/Miner.cpp
+++ b/src/core/Miner.cpp
@@ -1,12 +1,6 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
@@ -22,7 +16,6 @@
 *   along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

-
 #include <algorithm>
 #include <mutex>
 #include <thread>
@@ -116,15 +109,7 @@ public:

    inline void rebuild()
    {
-        algorithms.clear();
-
-        for (int i = 0; i < Algorithm::MAX; ++i) {
-            const Algorithm algo(static_cast<Algorithm::Id>(i));
-
-            if (algo.isValid() && isEnabled(algo)) {
-                algorithms.push_back(algo);
-            }
-        }
+        algorithms = Algorithm::all([this](const Algorithm &algo) { return isEnabled(algo); });
    }


@@ -171,7 +156,7 @@ public:
        Value algo(kArrayType);

        for (const Algorithm &a : algorithms) {
-            algo.PushBack(StringRef(a.shortName()), allocator);
+            algo.PushBack(StringRef(a.name()), allocator);
        }

        reply.AddMember("algorithms", algo, allocator);
--- a/src/core/Miner.h
+++ b/src/core/Miner.h
@@ -1,12 +1,6 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
--- a/src/core/config/Config.cpp
+++ b/src/core/config/Config.cpp
@@ -225,11 +225,15 @@ bool xmrig::Config::read(const IJsonReader &reader, const char *fileName)
 #   endif

 #   ifdef XMRIG_FEATURE_OPENCL
-    d_ptr->cl.read(reader.getValue(kOcl));
+    if (!pools().isBenchmark()) {
+        d_ptr->cl.read(reader.getValue(kOcl));
+    }
 #   endif

 #   ifdef XMRIG_FEATURE_CUDA
-    d_ptr->cuda.read(reader.getValue(kCuda));
+    if (!pools().isBenchmark()) {
+        d_ptr->cuda.read(reader.getValue(kCuda));
+    }
 #   endif

 #   if defined(XMRIG_FEATURE_NVML) || defined (XMRIG_FEATURE_ADL)
--- a/src/core/config/ConfigTransform.cpp
+++ b/src/core/config/ConfigTransform.cpp
@@ -195,6 +195,9 @@ void xmrig::ConfigTransform::transform(rapidjson::Document &doc, int key, const

    case IConfig::RandomXCacheQoSKey: /* --cache-qos */
        return set(doc, RxConfig::kField, RxConfig::kCacheQoS, true);
+
+    case IConfig::HugePagesJitKey: /* --huge-pages-jit */
+        return set(doc, CpuConfig::kField, CpuConfig::kHugePagesJit, true);
 #   endif

 #   ifdef XMRIG_FEATURE_OPENCL
@@ -262,6 +265,7 @@ void xmrig::ConfigTransform::transform(rapidjson::Document &doc, int key, const
    case IConfig::BenchTokenKey:    /* --token */
    case IConfig::BenchSeedKey:     /* --seed */
    case IConfig::BenchHashKey:     /* --hash */
+    case IConfig::UserKey:          /* --user */
        return transformBenchmark(doc, key, arg);
 #   endif

@@ -347,6 +351,9 @@ void xmrig::ConfigTransform::transformBenchmark(rapidjson::Document &doc, int ke

    case IConfig::BenchHashKey: /* --hash */
        return set(doc, BenchConfig::kBenchmark, BenchConfig::kHash, arg);
+
+    case IConfig::UserKey: /* --user */
+        return set(doc, BenchConfig::kBenchmark, BenchConfig::kUser, arg);
    }
 }
 #endif
--- a/src/core/config/Config_platform.h
+++ b/src/core/config/Config_platform.h
@@ -52,6 +52,7 @@ static const option options[] = {
    { "daemon-poll-interval",  1, nullptr, IConfig::DaemonPollKey         },
    { "self-select",           1, nullptr, IConfig::SelfSelectKey         },
    { "submit-to-origin",      0, nullptr, IConfig::SubmitToOriginKey     },
+    { "daemon-zmq-port",       1, nullptr, IConfig::DaemonZMQPortKey      },
 #   endif
    { "av",                    1, nullptr, IConfig::AVKey                 },
    { "background",            0, nullptr, IConfig::BackgroundKey         },
@@ -68,6 +69,8 @@ static const option options[] = {
    { "no-huge-pages",         0, nullptr, IConfig::HugePagesKey          },
    { "no-hugepages",          0, nullptr, IConfig::HugePagesKey          },
    { "hugepage-size",         1, nullptr, IConfig::HugePageSizeKey       },
+    { "huge-pages-jit",        0, nullptr, IConfig::HugePagesJitKey       },
+    { "hugepages-jit",         0, nullptr, IConfig::HugePagesJitKey       },
    { "pass",                  1, nullptr, IConfig::PasswordKey           },
    { "print-time",            1, nullptr, IConfig::PrintTimeKey          },
    { "retries",               1, nullptr, IConfig::RetriesKey            },
@@ -96,6 +99,7 @@ static const option options[] = {
    { "pause-on-active",       1, nullptr, IConfig::PauseOnActiveKey      },
    { "dns-ipv6",              0, nullptr, IConfig::DnsIPv6Key            },
    { "dns-ttl",               1, nullptr, IConfig::DnsTtlKey             },
+    { "spend-secret-key",      1, nullptr, IConfig::SpendSecretKey        },
 #   ifdef XMRIG_FEATURE_BENCHMARK
    { "stress",                0, nullptr, IConfig::StressKey             },
    { "bench",                 1, nullptr, IConfig::BenchKey              },
--- a/src/core/config/usage.h
+++ b/src/core/config/usage.h
@@ -79,15 +79,18 @@ static inline const std::string &usage()

    u += "      --no-cpu                  disable CPU mining backend\n";
    u += "  -t, --threads=N               number of CPU threads, proper CPU affinity required for some optimizations.\n";
-    u += "      --cpu-affinity            set process affinity to CPU core(s), mask 0x3 for cores 0 and 1\n";
+    u += "      --cpu-affinity=N          set process affinity to CPU core(s), mask 0x3 for cores 0 and 1\n";
    u += "  -v, --av=N                    algorithm variation, 0 auto select\n";
-    u += "      --cpu-priority            set process priority (0 idle, 2 normal to 5 highest)\n";
+    u += "      --cpu-priority=N          set process priority (0 idle, 2 normal to 5 highest)\n";
    u += "      --cpu-max-threads-hint=N  maximum CPU threads count (in percentage) hint for autoconfig\n";
    u += "      --cpu-memory-pool=N       number of 2 MB pages for persistent memory pool, -1 (auto), 0 (disable)\n";
    u += "      --cpu-no-yield            prefer maximum hashrate rather than system response/stability\n";
    u += "      --no-huge-pages           disable huge pages support\n";
 #   ifdef XMRIG_OS_LINUX
    u += "      --hugepage-size=N         custom hugepage size in kB\n";
+#   endif
+#   ifdef XMRIG_ALGO_RANDOMX
+    u += "      --huge-pages-jit          enable huge pages support for RandomX JIT code\n";
 #   endif
    u += "      --asm=ASM                 ASM optimizations, possible values: auto, none, intel, ryzen, bulldozer\n";

--- a/src/crypto/astrobwt/AstroBWT.cpp
+++ b/src/crypto/astrobwt/AstroBWT.cpp
@@ -30,6 +30,7 @@
 #include "crypto/astrobwt/AstroBWT.h"
 #include "backend/cpu/Cpu.h"
 #include "base/crypto/sha3.h"
+#include "base/tools/bswap_64.h"
 #include "crypto/cn/CryptoNight.h"


@@ -54,21 +55,6 @@ __attribute__((ms_abi))
 void SHA3_256_AVX2_ASM(const void* in, size_t inBytes, void* out);
 #endif

-#ifdef _MSC_VER
-
-#include <stdlib.h>
-#define bswap_64(x) _byteswap_uint64(x)
-
-#elif defined __GNUC__
-
-#define bswap_64(x) __builtin_bswap64(x)
-
-#else
-
-#include <byteswap.h>
-
-#endif
-
 #ifdef XMRIG_ARM
 extern "C" {
 #include "salsa20_ref/ecrypt-sync.h"
--- a/src/crypto/cn/CnAlgo.h
+++ b/src/crypto/cn/CnAlgo.h
@@ -1,13 +1,6 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2019 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
- * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
@@ -44,20 +37,13 @@ class CnAlgo
 public:
    constexpr CnAlgo() {};

-    constexpr inline Algorithm::Id base() const  { static_assert(ALGO > Algorithm::INVALID && ALGO < Algorithm::RX_0, "invalid CRYPTONIGHT algorithm"); return Algorithm::CN_2; }
-    constexpr inline bool isHeavy() const        { return memory() == CN_MEMORY * 2; }
+    constexpr inline Algorithm::Id base() const  { static_assert(Algorithm::isCN(ALGO), "invalid CRYPTONIGHT algorithm"); return Algorithm::base(ALGO); }
+    constexpr inline bool isHeavy() const        { return Algorithm::family(ALGO) == Algorithm::CN_HEAVY; }
    constexpr inline bool isR() const            { return ALGO == Algorithm::CN_R; }
-    constexpr inline size_t memory() const       { static_assert(ALGO > Algorithm::INVALID && ALGO < Algorithm::RX_0, "invalid CRYPTONIGHT algorithm"); return CN_MEMORY; }
-    constexpr inline uint32_t iterations() const { static_assert(ALGO > Algorithm::INVALID && ALGO < Algorithm::RX_0, "invalid CRYPTONIGHT algorithm"); return CN_ITER; }
+    constexpr inline size_t memory() const       { static_assert(Algorithm::isCN(ALGO), "invalid CRYPTONIGHT algorithm"); return Algorithm::l3(ALGO); }
+    constexpr inline uint32_t iterations() const { static_assert(Algorithm::isCN(ALGO), "invalid CRYPTONIGHT algorithm"); return CN_ITER; }
    constexpr inline uint32_t mask() const       { return static_cast<uint32_t>(((memory() - 1) / 16) * 16); }

-    inline static size_t memory(Algorithm::Id algo)
-    {
-        Algorithm algorithm(algo);
-
-        return algorithm.isCN() ? algorithm.l3() : 0;
-    }
-
    inline static uint32_t iterations(Algorithm::Id algo)
    {
        switch (algo) {
@@ -96,6 +82,11 @@ public:
            return CN_ITER / 8;
 #       endif

+#       ifdef XMRIG_ALGO_CN_FEMTO
+        case Algorithm::CN_UPX2:
+            return CN_ITER / 32;
+#       endif
+
        default:
            break;
        }
@@ -111,73 +102,20 @@ public:
        }
 #       endif

-        return ((memory(algo) - 1) / 16) * 16;
-    }
-
-    inline static Algorithm::Id base(Algorithm::Id algo)
-    {
-        switch (algo) {
-        case Algorithm::CN_0:
-        case Algorithm::CN_XAO:
-#       ifdef XMRIG_ALGO_CN_LITE
-        case Algorithm::CN_LITE_0:
-#       endif
-#       ifdef XMRIG_ALGO_CN_HEAVY
-        case Algorithm::CN_HEAVY_0:
-        case Algorithm::CN_HEAVY_XHV:
-#       endif
-        case Algorithm::CN_CCX:
-            return Algorithm::CN_0;
-
-        case Algorithm::CN_1:
-        case Algorithm::CN_FAST:
-        case Algorithm::CN_RTO:
-#       ifdef XMRIG_ALGO_CN_LITE
-        case Algorithm::CN_LITE_1:
-#       endif
-#       ifdef XMRIG_ALGO_CN_HEAVY
-        case Algorithm::CN_HEAVY_TUBE:
-            return Algorithm::CN_1;
-#       endif
-
-        case Algorithm::CN_2:
-        case Algorithm::CN_R:
-        case Algorithm::CN_HALF:
-        case Algorithm::CN_RWZ:
-        case Algorithm::CN_ZLS:
-        case Algorithm::CN_DOUBLE:
-#       ifdef XMRIG_ALGO_CN_PICO
-        case Algorithm::CN_PICO_0:
-        case Algorithm::CN_PICO_TLO:
-#       endif
-            return Algorithm::CN_2;
-
-        default:
-            break;
+#       ifdef XMRIG_ALGO_CN_FEMTO
+        if (algo == Algorithm::CN_UPX2) {
+            return 0x1FFF0;
        }
+#       endif

-        return Algorithm::INVALID;
+        return ((Algorithm::l3(algo) - 1) / 16) * 16;
    }

 private:
-    constexpr const static size_t   CN_MEMORY = 0x200000;
-    constexpr const static uint32_t CN_ITER   = 0x80000;
+    constexpr const static uint32_t CN_ITER = 0x80000;
 };


-template<> constexpr inline Algorithm::Id CnAlgo<Algorithm::CN_0>::base() const             { return Algorithm::CN_0; }
-template<> constexpr inline Algorithm::Id CnAlgo<Algorithm::CN_XAO>::base() const           { return Algorithm::CN_0; }
-template<> constexpr inline Algorithm::Id CnAlgo<Algorithm::CN_LITE_0>::base() const        { return Algorithm::CN_0; }
-template<> constexpr inline Algorithm::Id CnAlgo<Algorithm::CN_HEAVY_0>::base() const       { return Algorithm::CN_0; }
-template<> constexpr inline Algorithm::Id CnAlgo<Algorithm::CN_HEAVY_XHV>::base() const     { return Algorithm::CN_0; }
-template<> constexpr inline Algorithm::Id CnAlgo<Algorithm::CN_CCX>::base() const           { return Algorithm::CN_0; }
-template<> constexpr inline Algorithm::Id CnAlgo<Algorithm::CN_1>::base() const             { return Algorithm::CN_1; }
-template<> constexpr inline Algorithm::Id CnAlgo<Algorithm::CN_FAST>::base() const          { return Algorithm::CN_1; }
-template<> constexpr inline Algorithm::Id CnAlgo<Algorithm::CN_RTO>::base() const           { return Algorithm::CN_1; }
-template<> constexpr inline Algorithm::Id CnAlgo<Algorithm::CN_LITE_1>::base() const        { return Algorithm::CN_1; }
-template<> constexpr inline Algorithm::Id CnAlgo<Algorithm::CN_HEAVY_TUBE>::base() const    { return Algorithm::CN_1; }
-
-
 template<> constexpr inline uint32_t CnAlgo<Algorithm::CN_FAST>::iterations() const         { return CN_ITER / 2; }
 template<> constexpr inline uint32_t CnAlgo<Algorithm::CN_HALF>::iterations() const         { return CN_ITER / 2; }
 template<> constexpr inline uint32_t CnAlgo<Algorithm::CN_LITE_0>::iterations() const       { return CN_ITER / 2; }
@@ -192,18 +130,11 @@ template<> constexpr inline uint32_t CnAlgo<Algorithm::CN_ZLS>::iterations() con
 template<> constexpr inline uint32_t CnAlgo<Algorithm::CN_PICO_0>::iterations() const       { return CN_ITER / 8; }
 template<> constexpr inline uint32_t CnAlgo<Algorithm::CN_PICO_TLO>::iterations() const     { return CN_ITER / 8; }
 template<> constexpr inline uint32_t CnAlgo<Algorithm::CN_CCX>::iterations() const          { return CN_ITER / 2; }
-
-
-template<> constexpr inline size_t CnAlgo<Algorithm::CN_LITE_0>::memory() const             { return CN_MEMORY / 2; }
-template<> constexpr inline size_t CnAlgo<Algorithm::CN_LITE_1>::memory() const             { return CN_MEMORY / 2; }
-template<> constexpr inline size_t CnAlgo<Algorithm::CN_HEAVY_0>::memory() const            { return CN_MEMORY * 2; }
-template<> constexpr inline size_t CnAlgo<Algorithm::CN_HEAVY_TUBE>::memory() const         { return CN_MEMORY * 2; }
-template<> constexpr inline size_t CnAlgo<Algorithm::CN_HEAVY_XHV>::memory() const          { return CN_MEMORY * 2; }
-template<> constexpr inline size_t CnAlgo<Algorithm::CN_PICO_0>::memory() const             { return CN_MEMORY / 8; }
-template<> constexpr inline size_t CnAlgo<Algorithm::CN_PICO_TLO>::memory() const           { return CN_MEMORY / 8; }
+template<> constexpr inline uint32_t CnAlgo<Algorithm::CN_UPX2>::iterations() const         { return CN_ITER / 32; }


 template<> constexpr inline uint32_t CnAlgo<Algorithm::CN_PICO_0>::mask() const             { return 0x1FFF0; }
+template<> constexpr inline uint32_t CnAlgo<Algorithm::CN_UPX2>::mask() const               { return 0x1FFF0; }


 } /* namespace xmrig */
--- a/src/crypto/cn/CnHash.cpp
+++ b/src/crypto/cn/CnHash.cpp
@@ -1,13 +1,7 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2019 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
 * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
@@ -23,11 +17,9 @@
 *   along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

-#include <cstdio>
-
-
-#include "backend/cpu/Cpu.h"
 #include "crypto/cn/CnHash.h"
+#include "backend/cpu/Cpu.h"
+#include "base/tools/cryptonote/umul128.h"
 #include "crypto/common/VirtualMemory.h"


@@ -48,27 +40,30 @@
 #endif


-#define ADD_FN(algo) \
-    m_map[algo][AV_SINGLE][Assembly::NONE]      = cryptonight_single_hash<algo, false, 0>; \
-    m_map[algo][AV_SINGLE_SOFT][Assembly::NONE] = cryptonight_single_hash<algo, true,  0>; \
-    m_map[algo][AV_DOUBLE][Assembly::NONE]      = cryptonight_double_hash<algo, false>;    \
-    m_map[algo][AV_DOUBLE_SOFT][Assembly::NONE] = cryptonight_double_hash<algo, true>;     \
-    m_map[algo][AV_TRIPLE][Assembly::NONE]      = cryptonight_triple_hash<algo, false>;    \
-    m_map[algo][AV_TRIPLE_SOFT][Assembly::NONE] = cryptonight_triple_hash<algo, true>;     \
-    m_map[algo][AV_QUAD][Assembly::NONE]        = cryptonight_quad_hash<algo,   false>;    \
-    m_map[algo][AV_QUAD_SOFT][Assembly::NONE]   = cryptonight_quad_hash<algo,   true>;     \
-    m_map[algo][AV_PENTA][Assembly::NONE]       = cryptonight_penta_hash<algo,  false>;    \
-    m_map[algo][AV_PENTA_SOFT][Assembly::NONE]  = cryptonight_penta_hash<algo,  true>;
+#define ADD_FN(algo) do {                                                                            \
+        m_map[algo] = new cn_hash_fun_array{};                                                       \
+        m_map[algo]->data[AV_SINGLE][Assembly::NONE]      = cryptonight_single_hash<algo, false, 0>; \
+        m_map[algo]->data[AV_SINGLE_SOFT][Assembly::NONE] = cryptonight_single_hash<algo, true,  0>; \
+        m_map[algo]->data[AV_DOUBLE][Assembly::NONE]      = cryptonight_double_hash<algo, false>;    \
+        m_map[algo]->data[AV_DOUBLE_SOFT][Assembly::NONE] = cryptonight_double_hash<algo, true>;     \
+        m_map[algo]->data[AV_TRIPLE][Assembly::NONE]      = cryptonight_triple_hash<algo, false>;    \
+        m_map[algo]->data[AV_TRIPLE_SOFT][Assembly::NONE] = cryptonight_triple_hash<algo, true>;     \
+        m_map[algo]->data[AV_QUAD][Assembly::NONE]        = cryptonight_quad_hash<algo,   false>;    \
+        m_map[algo]->data[AV_QUAD_SOFT][Assembly::NONE]   = cryptonight_quad_hash<algo,   true>;     \
+        m_map[algo]->data[AV_PENTA][Assembly::NONE]       = cryptonight_penta_hash<algo,  false>;    \
+        m_map[algo]->data[AV_PENTA_SOFT][Assembly::NONE]  = cryptonight_penta_hash<algo,  true>;     \
+    } while (0)


 #ifdef XMRIG_FEATURE_ASM
-#   define ADD_FN_ASM(algo) \
-    m_map[algo][AV_SINGLE][Assembly::INTEL]     = cryptonight_single_hash_asm<algo, Assembly::INTEL>;     \
-    m_map[algo][AV_SINGLE][Assembly::RYZEN]     = cryptonight_single_hash_asm<algo, Assembly::RYZEN>;     \
-    m_map[algo][AV_SINGLE][Assembly::BULLDOZER] = cryptonight_single_hash_asm<algo, Assembly::BULLDOZER>; \
-    m_map[algo][AV_DOUBLE][Assembly::INTEL]     = cryptonight_double_hash_asm<algo, Assembly::INTEL>;     \
-    m_map[algo][AV_DOUBLE][Assembly::RYZEN]     = cryptonight_double_hash_asm<algo, Assembly::RYZEN>;     \
-    m_map[algo][AV_DOUBLE][Assembly::BULLDOZER] = cryptonight_double_hash_asm<algo, Assembly::BULLDOZER>;
+#   define ADD_FN_ASM(algo) do {                                                                                    \
+        m_map[algo]->data[AV_SINGLE][Assembly::INTEL]     = cryptonight_single_hash_asm<algo, Assembly::INTEL>;     \
+        m_map[algo]->data[AV_SINGLE][Assembly::RYZEN]     = cryptonight_single_hash_asm<algo, Assembly::RYZEN>;     \
+        m_map[algo]->data[AV_SINGLE][Assembly::BULLDOZER] = cryptonight_single_hash_asm<algo, Assembly::BULLDOZER>; \
+        m_map[algo]->data[AV_DOUBLE][Assembly::INTEL]     = cryptonight_double_hash_asm<algo, Assembly::INTEL>;     \
+        m_map[algo]->data[AV_DOUBLE][Assembly::RYZEN]     = cryptonight_double_hash_asm<algo, Assembly::RYZEN>;     \
+        m_map[algo]->data[AV_DOUBLE][Assembly::BULLDOZER] = cryptonight_double_hash_asm<algo, Assembly::BULLDOZER>; \
+    } while (0)


 namespace xmrig {
@@ -99,8 +94,11 @@ cn_mainloop_fun        cn_double_mainloop_ryzen_asm               = nullptr;
 cn_mainloop_fun        cn_double_mainloop_bulldozer_asm           = nullptr;
 cn_mainloop_fun        cn_double_double_mainloop_sandybridge_asm  = nullptr;

+cn_mainloop_fun        cn_upx2_mainloop_asm                       = nullptr;
+cn_mainloop_fun        cn_upx2_double_mainloop_asm                = nullptr;

-template<typename T, typename U>
+
+template<Algorithm::Id SOURCE_ALGO = Algorithm::CN_2, typename T, typename U>
 static void patchCode(T dst, U src, const uint32_t iterations, const uint32_t mask = CnAlgo<Algorithm::CN_HALF>().mask())
 {
    auto p = reinterpret_cast<const uint8_t*>(src);
@@ -124,11 +122,11 @@ static void patchCode(T dst, U src, const uint32_t iterations, const uint32_t ma
    auto patched_data = reinterpret_cast<uint8_t*>(dst);
    for (size_t i = 0; i + sizeof(uint32_t) <= size; ++i) {
        switch (*(uint32_t*)(patched_data + i)) {
-        case CnAlgo<Algorithm::CN_2>().iterations():
+        case CnAlgo<SOURCE_ALGO>().iterations():
            *(uint32_t*)(patched_data + i) = iterations;
            break;

-        case CnAlgo<Algorithm::CN_2>().mask():
+        case CnAlgo<SOURCE_ALGO>().mask():
            *(uint32_t*)(patched_data + i) = mask;
            break;
        }
@@ -138,7 +136,7 @@ static void patchCode(T dst, U src, const uint32_t iterations, const uint32_t ma

 static void patchAsmVariants()
 {
-    const int allocation_size = 81920;
+    const int allocation_size = 131072;
    auto base = static_cast<uint8_t *>(VirtualMemory::allocateExecutableMemory(allocation_size, false));

    cn_half_mainloop_ivybridge_asm              = reinterpret_cast<cn_mainloop_fun>         (base + 0x0000);
@@ -170,6 +168,11 @@ static void patchAsmVariants()
    cn_tlo_double_mainloop_sandybridge_asm      = reinterpret_cast<cn_mainloop_fun>         (base + 0x13000);
 #   endif

+#   ifdef XMRIG_ALGO_CN_FEMTO
+    cn_upx2_mainloop_asm                        = reinterpret_cast<cn_mainloop_fun>         (base + 0x14000);
+    cn_upx2_double_mainloop_asm                 = reinterpret_cast<cn_mainloop_fun>         (base + 0x15000);
+#   endif
+
    {
        constexpr uint32_t ITER = CnAlgo<Algorithm::CN_HALF>().iterations();

@@ -219,6 +222,16 @@ static void patchAsmVariants()
        patchCode(cn_double_double_mainloop_sandybridge_asm, cnv2_double_mainloop_sandybridge_asm,  ITER);
    }

+#   ifdef XMRIG_ALGO_CN_FEMTO
+    {
+        constexpr uint32_t ITER = CnAlgo<Algorithm::CN_UPX2>().iterations();
+        constexpr uint32_t MASK = CnAlgo<Algorithm::CN_UPX2>().mask();
+
+        patchCode<Algorithm::CN_RWZ>(cn_upx2_mainloop_asm,        cnv2_rwz_mainloop_asm,            ITER,   MASK);
+        patchCode<Algorithm::CN_RWZ>(cn_upx2_double_mainloop_asm, cnv2_rwz_double_mainloop_asm,     ITER,   MASK);
+    }
+#endif
+
    VirtualMemory::protectRX(base, allocation_size);
    VirtualMemory::flushInstructionCache(base, allocation_size);
 }
@@ -272,18 +285,29 @@ xmrig::CnHash::CnHash()

    ADD_FN(Algorithm::CN_CCX);

+#   ifdef XMRIG_ALGO_CN_FEMTO
+    ADD_FN(Algorithm::CN_UPX2);
+    ADD_FN_ASM(Algorithm::CN_UPX2);
+#   endif
+
 #   ifdef XMRIG_ALGO_ARGON2
-    m_map[Algorithm::AR2_CHUKWA][AV_SINGLE][Assembly::NONE]         = argon2::single_hash<Algorithm::AR2_CHUKWA>;
-    m_map[Algorithm::AR2_CHUKWA][AV_SINGLE_SOFT][Assembly::NONE]    = argon2::single_hash<Algorithm::AR2_CHUKWA>;
-    m_map[Algorithm::AR2_CHUKWA_V2][AV_SINGLE][Assembly::NONE]      = argon2::single_hash<Algorithm::AR2_CHUKWA_V2>;
-    m_map[Algorithm::AR2_CHUKWA_V2][AV_SINGLE_SOFT][Assembly::NONE] = argon2::single_hash<Algorithm::AR2_CHUKWA_V2>;
-    m_map[Algorithm::AR2_WRKZ][AV_SINGLE][Assembly::NONE]           = argon2::single_hash<Algorithm::AR2_WRKZ>;
-    m_map[Algorithm::AR2_WRKZ][AV_SINGLE_SOFT][Assembly::NONE]      = argon2::single_hash<Algorithm::AR2_WRKZ>;
+    m_map[Algorithm::AR2_CHUKWA] = new cn_hash_fun_array{};
+    m_map[Algorithm::AR2_CHUKWA]->data[AV_SINGLE][Assembly::NONE]         = argon2::single_hash<Algorithm::AR2_CHUKWA>;
+    m_map[Algorithm::AR2_CHUKWA]->data[AV_SINGLE_SOFT][Assembly::NONE]    = argon2::single_hash<Algorithm::AR2_CHUKWA>;
+
+    m_map[Algorithm::AR2_CHUKWA_V2] = new cn_hash_fun_array{};
+    m_map[Algorithm::AR2_CHUKWA_V2]->data[AV_SINGLE][Assembly::NONE]      = argon2::single_hash<Algorithm::AR2_CHUKWA_V2>;
+    m_map[Algorithm::AR2_CHUKWA_V2]->data[AV_SINGLE_SOFT][Assembly::NONE] = argon2::single_hash<Algorithm::AR2_CHUKWA_V2>;
+
+    m_map[Algorithm::AR2_WRKZ] = new cn_hash_fun_array{};
+    m_map[Algorithm::AR2_WRKZ]->data[AV_SINGLE][Assembly::NONE]           = argon2::single_hash<Algorithm::AR2_WRKZ>;
+    m_map[Algorithm::AR2_WRKZ]->data[AV_SINGLE_SOFT][Assembly::NONE]      = argon2::single_hash<Algorithm::AR2_WRKZ>;
 #   endif

 #   ifdef XMRIG_ALGO_ASTROBWT
-    m_map[Algorithm::ASTROBWT_DERO][AV_SINGLE][Assembly::NONE]      = astrobwt::single_hash<Algorithm::ASTROBWT_DERO>;
-    m_map[Algorithm::ASTROBWT_DERO][AV_SINGLE_SOFT][Assembly::NONE] = astrobwt::single_hash<Algorithm::ASTROBWT_DERO>;
+    m_map[Algorithm::ASTROBWT_DERO] = new cn_hash_fun_array{};
+    m_map[Algorithm::ASTROBWT_DERO]->data[AV_SINGLE][Assembly::NONE]      = astrobwt::single_hash<Algorithm::ASTROBWT_DERO>;
+    m_map[Algorithm::ASTROBWT_DERO]->data[AV_SINGLE_SOFT][Assembly::NONE] = astrobwt::single_hash<Algorithm::ASTROBWT_DERO>;
 #   endif

 #   ifdef XMRIG_FEATURE_ASM
@@ -294,20 +318,30 @@ xmrig::CnHash::CnHash()

 xmrig::cn_hash_fun xmrig::CnHash::fn(const Algorithm &algorithm, AlgoVariant av, Assembly::Id assembly)
 {
+    assert(cnHash.m_map.count(algorithm));
+
    if (!algorithm.isValid()) {
        return nullptr;
    }

+    const auto it = cnHash.m_map.find(algorithm);
+    if (it == cnHash.m_map.end()) {
+        return nullptr;
+    }
+
 #   ifdef XMRIG_ALGO_CN_HEAVY
    // cn-heavy optimization for Zen3 CPUs
    if ((av == AV_SINGLE) && (assembly != Assembly::NONE) && (Cpu::info()->arch() == ICpuInfo::ARCH_ZEN3)) {
        switch (algorithm.id()) {
-        case xmrig::Algorithm::CN_HEAVY_0:
-            return cryptonight_single_hash<xmrig::Algorithm::CN_HEAVY_0, false, 3>;
-        case xmrig::Algorithm::CN_HEAVY_TUBE:
-            return cryptonight_single_hash<xmrig::Algorithm::CN_HEAVY_TUBE, false, 3>;
-        case xmrig::Algorithm::CN_HEAVY_XHV:
-            return cryptonight_single_hash<xmrig::Algorithm::CN_HEAVY_XHV, false, 3>;
+        case Algorithm::CN_HEAVY_0:
+            return cryptonight_single_hash<Algorithm::CN_HEAVY_0, false, 3>;
+
+        case Algorithm::CN_HEAVY_TUBE:
+            return cryptonight_single_hash<Algorithm::CN_HEAVY_TUBE, false, 3>;
+
+        case Algorithm::CN_HEAVY_XHV:
+            return cryptonight_single_hash<Algorithm::CN_HEAVY_XHV, false, 3>;
+
        default:
            break;
        }
@@ -315,11 +349,11 @@ xmrig::cn_hash_fun xmrig::CnHash::fn(const Algorithm &algorithm, AlgoVariant av,
 #   endif

 #   ifdef XMRIG_FEATURE_ASM
-    cn_hash_fun fun = cnHash.m_map[algorithm][av][Cpu::assembly(assembly)];
+    cn_hash_fun fun = it->second->data[av][Cpu::assembly(assembly)];
    if (fun) {
        return fun;
    }
 #   endif

-    return cnHash.m_map[algorithm][av][Assembly::NONE];
+    return it->second->data[av][Assembly::NONE];
 }
--- a/src/crypto/cn/CnHash.h
+++ b/src/crypto/cn/CnHash.h
@@ -1,13 +1,7 @@
 /* XMRig
- * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
- * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
- * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
- * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
- * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
- * Copyright 2017-2019 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
 * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2021 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
@@ -29,6 +23,7 @@

 #include <cstddef>
 #include <cstdint>
+#include <map>


 #include "crypto/cn/CnAlgo.h"
@@ -68,7 +63,11 @@ public:
    static cn_hash_fun fn(const Algorithm &algorithm, AlgoVariant av, Assembly::Id assembly);

 private:
-    cn_hash_fun m_map[Algorithm::MAX][AV_MAX][Assembly::MAX] = {};
+    struct cn_hash_fun_array {
+        cn_hash_fun data[AV_MAX][Assembly::MAX];
+    };
+
+    std::map<Algorithm, cn_hash_fun_array*> m_map;
 };


--- a/src/crypto/cn/CryptoNight_arm.h
+++ b/src/crypto/cn/CryptoNight_arm.h
@@ -67,41 +67,6 @@ static inline void do_skein_hash(const uint8_t *input, size_t len, uint8_t *outp
 void (* const extra_hashes[4])(const uint8_t *, size_t, uint8_t *) = {do_blake_hash, do_groestl_hash, do_jh_hash, do_skein_hash};


-#if defined (__arm64__) || defined (__aarch64__)
-static inline uint64_t __umul128(uint64_t a, uint64_t b, uint64_t* hi)
-{
-    unsigned __int128 r = (unsigned __int128) a * (unsigned __int128) b;
-    *hi = r >> 64;
-    return (uint64_t) r;
-}
-#else
-static inline uint64_t __umul128(uint64_t multiplier, uint64_t multiplicand, uint64_t *product_hi) {
-    // multiplier   = ab = a * 2^32 + b
-    // multiplicand = cd = c * 2^32 + d
-    // ab * cd = a * c * 2^64 + (a * d + b * c) * 2^32 + b * d
-    uint64_t a = multiplier >> 32;
-    uint64_t b = multiplier & 0xFFFFFFFF;
-    uint64_t c = multiplicand >> 32;
-    uint64_t d = multiplicand & 0xFFFFFFFF;
-
-    //uint64_t ac = a * c;
-    uint64_t ad = a * d;
-    //uint64_t bc = b * c;
-    uint64_t bd = b * d;
-
-    uint64_t adbc = ad + (b * c);
-    uint64_t adbc_carry = adbc < ad ? 1 : 0;
-
-    // multiplier * multiplicand = product_hi * 2^64 + product_lo
-    uint64_t product_lo = bd + (adbc << 32);
-    uint64_t product_lo_carry = product_lo < bd ? 1 : 0;
-    *product_hi = (a * c) + (adbc >> 32) + (adbc_carry << 32) + product_lo_carry;
-
-    return product_lo;
-}
-#endif
-
-
 // This will shift and xor tmp1 into itself as 4 32-bit vals such as
 // sl_xor(a1 a2 a3 a4) = a1 (a2^a1) (a3^a2^a1) (a4^a3^a2^a1)
 static inline __m128i sl_xor(__m128i tmp1)
@@ -395,7 +360,7 @@ static inline void cryptonight_monero_tweak(const uint8_t* l, uint64_t idx, __m1
    uint64_t* mem_out = (uint64_t*)&l[idx];

    if (props.base() == Algorithm::CN_2) {
-        VARIANT2_SHUFFLE(l, idx, ax0, bx0, bx1, cx, (ALGO == Algorithm::CN_RWZ ? 1 : 0));
+        VARIANT2_SHUFFLE(l, idx, ax0, bx0, bx1, cx, (((ALGO == Algorithm::CN_RWZ) || (ALGO == Algorithm::CN_UPX2)) ? 1 : 0));
        _mm_store_si128((__m128i *)mem_out, _mm_xor_si128(bx0, cx));
    } else {
        __m128i tmp = _mm_xor_si128(bx0, cx);
@@ -528,7 +493,7 @@ inline void cryptonight_single_hash(const uint8_t *__restrict__ input, size_t si
            if (ALGO == Algorithm::CN_R) {
                VARIANT2_SHUFFLE(l0, idx0 & MASK, ax0, bx0, bx1, cx, 0);
            } else {
-                VARIANT2_SHUFFLE2(l0, idx0 & MASK, ax0, bx0, bx1, hi, lo, (ALGO == Algorithm::CN_RWZ ? 1 : 0));
+                VARIANT2_SHUFFLE2(l0, idx0 & MASK, ax0, bx0, bx1, hi, lo, (((ALGO == Algorithm::CN_RWZ) || (ALGO == Algorithm::CN_UPX2)) ? 1 : 0));
            }
        }

@@ -704,7 +669,7 @@ inline void cryptonight_double_hash(const uint8_t *__restrict__ input, size_t si
            if (ALGO == Algorithm::CN_R) {
                VARIANT2_SHUFFLE(l0, idx0 & MASK, ax0, bx00, bx01, cx0, 0);
            } else {
-                VARIANT2_SHUFFLE2(l0, idx0 & MASK, ax0, bx00, bx01, hi, lo, (ALGO == Algorithm::CN_RWZ ? 1 : 0));
+                VARIANT2_SHUFFLE2(l0, idx0 & MASK, ax0, bx00, bx01, hi, lo, (((ALGO == Algorithm::CN_RWZ) || (ALGO == Algorithm::CN_UPX2)) ? 1 : 0));
            }
        }

@@ -764,7 +729,7 @@ inline void cryptonight_double_hash(const uint8_t *__restrict__ input, size_t si
            if (ALGO == Algorithm::CN_R) {
                VARIANT2_SHUFFLE(l1, idx1 & MASK, ax1, bx10, bx11, cx1, 0);
            } else {
-                VARIANT2_SHUFFLE2(l1, idx1 & MASK, ax1, bx10, bx11, hi, lo, (ALGO == Algorithm::CN_RWZ ? 1 : 0));
+                VARIANT2_SHUFFLE2(l1, idx1 & MASK, ax1, bx10, bx11, hi, lo, (((ALGO == Algorithm::CN_RWZ) || (ALGO == Algorithm::CN_UPX2)) ? 1 : 0));
            }
        }

--- a/src/crypto/cn/CryptoNight_test.h
+++ b/src/crypto/cn/CryptoNight_test.h
@@ -370,6 +370,23 @@ const static uint8_t test_output_pico_tlo[160] = {
 #endif


+#ifdef XMRIG_ALGO_CN_FEMTO
+// "cn/upx2"
+const static uint8_t test_output_femto_upx2[160] = {
+    0xAA, 0xBB, 0xB8, 0xED, 0x14, 0xA8, 0x35, 0xFA, 0x22, 0xCF, 0xB1, 0xB5, 0xDE, 0xA8, 0x72, 0xB0,
+    0xA1, 0xD6, 0xCB, 0xD8, 0x46, 0xF4, 0x39, 0x1C, 0x0F, 0x01, 0xF3, 0x87, 0x5E, 0x3A, 0x37, 0x61,
+    0x38, 0x59, 0x15, 0x72, 0xF8, 0x20, 0xD4, 0xDE, 0x25, 0x3C, 0xF5, 0x5A, 0x21, 0x92, 0xB6, 0x22,
+    0xB0, 0x28, 0x9E, 0x2E, 0x5C, 0x36, 0x16, 0xE6, 0x1E, 0x78, 0x7A, 0x8F, 0xE4, 0x62, 0xEC, 0x5A,
+    0xFD, 0x58, 0xCC, 0x6F, 0x3C, 0xD3, 0x8A, 0x0B, 0x5B, 0x6C, 0x83, 0x4E, 0x9B, 0xD4, 0xC2, 0x5A,
+    0x43, 0x2C, 0x48, 0x98, 0xF3, 0x16, 0xCA, 0x87, 0xE9, 0x5F, 0x44, 0x93, 0x53, 0x48, 0x00, 0xA3,
+    0xE8, 0xE4, 0xB6, 0x9D, 0x5A, 0x3B, 0x49, 0x2C, 0x21, 0xE9, 0x4B, 0x02, 0xFC, 0x87, 0x8D, 0x75,
+    0x66, 0x05, 0xAF, 0xA3, 0x9D, 0xC9, 0xD8, 0x88, 0x2D, 0x67, 0x31, 0x21, 0x4C, 0x4D, 0x88, 0x7D,
+    0x86, 0x9E, 0x4D, 0x74, 0xF4, 0x4C, 0x57, 0x27, 0xCF, 0xEF, 0x86, 0x01, 0xB0, 0x52, 0x18, 0xF3,
+    0xAD, 0xE4, 0x52, 0x5E, 0xB0, 0x4A, 0x97, 0xB4, 0x96, 0x18, 0xB6, 0x9C, 0x93, 0x0E, 0x49, 0xBB,
+};
+#endif
+
+
 #ifdef XMRIG_ALGO_ARGON2
 // "argon2/chukwa"
 const static uint8_t argon2_chukwa_test_out[160] = {
--- a/src/crypto/cn/CryptoNight_x86.h
+++ b/src/crypto/cn/CryptoNight_x86.h
@@ -75,18 +75,7 @@ static inline void do_skein_hash(const uint8_t *input, size_t len, uint8_t *outp
 void (* const extra_hashes[4])(const uint8_t *, size_t, uint8_t *) = {do_blake_hash, do_groestl_hash, do_jh_hash, do_skein_hash};


-#if defined(__x86_64__) || defined(_M_AMD64)
-#   ifdef __GNUC__
-static inline uint64_t __umul128(uint64_t a, uint64_t b, uint64_t* hi)
-{
-    unsigned __int128 r = (unsigned __int128) a * (unsigned __int128) b;
-    *hi = r >> 64;
-    return (uint64_t) r;
-}
-#   else
-    #define __umul128 _umul128
-#   endif
-#elif defined(__i386__) || defined(_M_IX86)
+#if defined(__i386__) || defined(_M_IX86)
 static inline int64_t _mm_cvtsi128_si64(__m128i a)
 {
    return ((uint64_t)(uint32_t)_mm_cvtsi128_si32(a) | ((uint64_t)(uint32_t)_mm_cvtsi128_si32(_mm_srli_si128(a, 4)) << 32));
@@ -95,31 +84,6 @@ static inline int64_t _mm_cvtsi128_si64(__m128i a)
 static inline __m128i _mm_cvtsi64_si128(int64_t a) {
    return _mm_set_epi64x(0, a);
 }
-
-static inline uint64_t __umul128(uint64_t multiplier, uint64_t multiplicand, uint64_t *product_hi) {
-    // multiplier   = ab = a * 2^32 + b
-    // multiplicand = cd = c * 2^32 + d
-    // ab * cd = a * c * 2^64 + (a * d + b * c) * 2^32 + b * d
-    uint64_t a = multiplier >> 32;
-    uint64_t b = multiplier & 0xFFFFFFFF;
-    uint64_t c = multiplicand >> 32;
-    uint64_t d = multiplicand & 0xFFFFFFFF;
-
-    //uint64_t ac = a * c;
-    uint64_t ad = a * d;
-    //uint64_t bc = b * c;
-    uint64_t bd = b * d;
-
-    uint64_t adbc = ad + (b * c);
-    uint64_t adbc_carry = adbc < ad ? 1 : 0;
-
-    // multiplier * multiplicand = product_hi * 2^64 + product_lo
-    uint64_t product_lo = bd + (adbc << 32);
-    uint64_t product_lo_carry = product_lo < bd ? 1 : 0;
-    *product_hi = (a * c) + (adbc >> 32) + (adbc_carry << 32) + product_lo_carry;
-
-    return product_lo;
-}
 #endif


@@ -377,12 +341,15 @@ static inline void cn_explode_scratchpad(const __m128i *input, __m128i *output)
        _mm_store_si128(output + 1, xin1);
        _mm_store_si128(output + 2, xin2);
        _mm_store_si128(output + 3, xin3);
-        output += (64 << interleave) / sizeof(__m128i);
-        _mm_store_si128(output + 0, xin4);
-        _mm_store_si128(output + 1, xin5);
-        _mm_store_si128(output + 2, xin6);
-        _mm_store_si128(output + 3, xin7);
-        output += (64 << interleave) / sizeof(__m128i);
+
+        constexpr int output_increment = (64 << interleave) / sizeof(__m128i);
+
+        _mm_store_si128(output + output_increment + 0, xin4);
+        _mm_store_si128(output + output_increment + 1, xin5);
+        _mm_store_si128(output + output_increment + 2, xin6);
+        _mm_store_si128(output + output_increment + 3, xin7);
+
+        output += output_increment * 2;
    }
 }

@@ -414,13 +381,15 @@ static inline void cn_implode_scratchpad(const __m128i *input, __m128i *output)
        xout1 = _mm_xor_si128(_mm_load_si128(input + 1), xout1);
        xout2 = _mm_xor_si128(_mm_load_si128(input + 2), xout2);
        xout3 = _mm_xor_si128(_mm_load_si128(input + 3), xout3);
-        input += (64 << interleave) / sizeof(__m128i);
-        xout4 = _mm_xor_si128(_mm_load_si128(input + 0), xout4);
-        xout5 = _mm_xor_si128(_mm_load_si128(input + 1), xout5);
-        xout6 = _mm_xor_si128(_mm_load_si128(input + 2), xout6);
-        xout7 = _mm_xor_si128(_mm_load_si128(input + 3), xout7);
-        input += (64 << interleave) / sizeof(__m128i);

+        constexpr int input_increment = (64 << interleave) / sizeof(__m128i);
+
+        xout4 = _mm_xor_si128(_mm_load_si128(input + input_increment + 0), xout4);
+        xout5 = _mm_xor_si128(_mm_load_si128(input + input_increment + 1), xout5);
+        xout6 = _mm_xor_si128(_mm_load_si128(input + input_increment + 2), xout6);
+        xout7 = _mm_xor_si128(_mm_load_si128(input + input_increment + 3), xout7);
+
+        input += input_increment * 2;
        i += 8;

        if ((interleave > 0) && (i < props.memory() / sizeof(__m128i))) {
@@ -563,7 +532,7 @@ static inline void cryptonight_monero_tweak(uint64_t *mem_out, const uint8_t *l,
    constexpr CnAlgo<ALGO> props;

    if (props.base() == Algorithm::CN_2) {
-        VARIANT2_SHUFFLE(l, idx, ax0, bx0, bx1, cx, (ALGO == Algorithm::CN_RWZ ? 1 : 0));
+        VARIANT2_SHUFFLE(l, idx, ax0, bx0, bx1, cx, (((ALGO == Algorithm::CN_RWZ) || (ALGO == Algorithm::CN_UPX2)) ? 1 : 0));
        _mm_store_si128(reinterpret_cast<__m128i *>(mem_out), _mm_xor_si128(bx0, cx));
    } else {
        __m128i tmp = _mm_xor_si128(bx0, cx);
@@ -715,7 +684,7 @@ inline void cryptonight_single_hash(const uint8_t *__restrict__ input, size_t si
            if (ALGO == Algorithm::CN_R) {
                VARIANT2_SHUFFLE(l0, idx0 & MASK, ax0, bx0, bx1, cx, 0);
            } else {
-                VARIANT2_SHUFFLE2(l0, idx0 & MASK, ax0, bx0, bx1, hi, lo, (ALGO == Algorithm::CN_RWZ ? 1 : 0));
+                VARIANT2_SHUFFLE2(l0, idx0 & MASK, ax0, bx0, bx1, hi, lo, (((ALGO == Algorithm::CN_RWZ) || (ALGO == Algorithm::CN_UPX2)) ? 1 : 0));
            }
        }

@@ -789,6 +758,7 @@ extern "C" void cnv2_mainloop_bulldozer_asm(cryptonight_ctx **ctx);
 extern "C" void cnv2_double_mainloop_sandybridge_asm(cryptonight_ctx **ctx);
 extern "C" void cnv2_rwz_mainloop_asm(cryptonight_ctx **ctx);
 extern "C" void cnv2_rwz_double_mainloop_asm(cryptonight_ctx **ctx);
+extern "C" void cnv2_upx_double_mainloop_zen3_asm(cryptonight_ctx * *ctx);


 namespace xmrig {
@@ -822,6 +792,8 @@ extern cn_mainloop_fun cn_double_mainloop_ryzen_asm;
 extern cn_mainloop_fun cn_double_mainloop_bulldozer_asm;
 extern cn_mainloop_fun cn_double_double_mainloop_sandybridge_asm;

+extern cn_mainloop_fun cn_upx2_mainloop_asm;
+extern cn_mainloop_fun cn_upx2_double_mainloop_asm;

 } // namespace xmrig

@@ -934,6 +906,11 @@ inline void cryptonight_single_hash_asm(const uint8_t *__restrict__ input, size_
            cn_double_mainloop_bulldozer_asm(ctx);
        }
    }
+#   ifdef XMRIG_ALGO_CN_FEMTO
+    else if (ALGO == Algorithm::CN_UPX2) {
+        cn_upx2_mainloop_asm(ctx);
+    }
+#   endif
    else if (props.isR()) {
        ctx[0]->generated_code(ctx);
    }
@@ -976,6 +953,16 @@ inline void cryptonight_double_hash_asm(const uint8_t *__restrict__ input, size_
    else if (ALGO == Algorithm::CN_PICO_TLO) {
        cn_tlo_double_mainloop_sandybridge_asm(ctx);
    }
+#   endif
+#   ifdef XMRIG_ALGO_CN_FEMTO
+    else if (ALGO == Algorithm::CN_UPX2) {
+        if (Cpu::info()->arch() == ICpuInfo::ARCH_ZEN3) {
+            cnv2_upx_double_mainloop_zen3_asm(ctx);
+        }
+        else {
+            cn_upx2_double_mainloop_asm(ctx);
+        }
+    }
 #   endif
    else if (ALGO == Algorithm::CN_RWZ) {
        cnv2_rwz_double_mainloop_asm(ctx);
@@ -1134,7 +1121,7 @@ inline void cryptonight_double_hash(const uint8_t *__restrict__ input, size_t si
            if (ALGO == Algorithm::CN_R) {
                VARIANT2_SHUFFLE(l0, idx0 & MASK, ax0, bx00, bx01, cx0, 0);
            } else {
-                VARIANT2_SHUFFLE2(l0, idx0 & MASK, ax0, bx00, bx01, hi, lo, (ALGO == Algorithm::CN_RWZ ? 1 : 0));
+                VARIANT2_SHUFFLE2(l0, idx0 & MASK, ax0, bx00, bx01, hi, lo, (((ALGO == Algorithm::CN_RWZ) || (ALGO == Algorithm::CN_UPX2)) ? 1 : 0));
            }
        }

@@ -1192,7 +1179,7 @@ inline void cryptonight_double_hash(const uint8_t *__restrict__ input, size_t si
            if (ALGO == Algorithm::CN_R) {
                VARIANT2_SHUFFLE(l1, idx1 & MASK, ax1, bx10, bx11, cx1, 0);
            } else {
-                VARIANT2_SHUFFLE2(l1, idx1 & MASK, ax1, bx10, bx11, hi, lo, (ALGO == Algorithm::CN_RWZ ? 1 : 0));
+                VARIANT2_SHUFFLE2(l1, idx1 & MASK, ax1, bx10, bx11, hi, lo, (((ALGO == Algorithm::CN_RWZ) || (ALGO == Algorithm::CN_UPX2)) ? 1 : 0));
            }
        }

@@ -1302,7 +1289,7 @@ inline void cryptonight_double_hash(const uint8_t *__restrict__ input, size_t si
        if (ALGO == Algorithm::CN_R) {                                                                      \
            VARIANT2_SHUFFLE(l, idx & MASK, a, b0, b1, c, 0);                                               \
        } else {                                                                                            \
-            VARIANT2_SHUFFLE2(l, idx & MASK, a, b0, b1, hi, lo, (ALGO == Algorithm::CN_RWZ ? 1 : 0));       \
+            VARIANT2_SHUFFLE2(l, idx & MASK, a, b0, b1, hi, lo, (((ALGO == Algorithm::CN_RWZ) || (ALGO == Algorithm::CN_UPX2)) ? 1 : 0)); \
        }                                                                                                   \
    }                                                                                                       \
    if (ALGO == Algorithm::CN_R) {                                                                          \
--- a/src/crypto/cn/asm/cn2/cnv2_upx_double_mainloop_zen3.inc
+++ b/src/crypto/cn/asm/cn2/cnv2_upx_double_mainloop_zen3.inc
@@ -0,0 +1,320 @@
+	mov	rax, rsp
+	push	rbx
+	push	rbp
+	push	rsi
+	push	rdi
+	push	r12
+	push	r13
+	push	r14
+	push	r15
+	sub	rsp, 232
+
+	mov	rdi, QWORD PTR [rcx+8]
+
+	mov	edx, 768
+	mov	rbx, QWORD PTR [rcx]
+	mov	ecx, 256
+	movaps	XMMWORD PTR [rax-88], xmm6
+	movaps	XMMWORD PTR [rax-104], xmm7
+	mov	r13, QWORD PTR [rdi+224]
+	movq	xmm0, QWORD PTR [rdi+104]
+	mov	r12, QWORD PTR [rbx+224]
+	movaps	XMMWORD PTR [rax-120], xmm8
+	movaps	XMMWORD PTR [rax-136], xmm9
+	movaps	XMMWORD PTR [rax-152], xmm10
+	movaps	XMMWORD PTR [rsp+112], xmm11
+	movaps	XMMWORD PTR [rsp+96], xmm12
+	movaps	XMMWORD PTR [rsp+80], xmm13
+	movq	xmm13, QWORD PTR [rbx+96]
+	movaps	XMMWORD PTR [rsp+64], xmm14
+	movq	xmm14, QWORD PTR [rbx+104]
+	movaps	XMMWORD PTR [rsp+48], xmm15
+	movq	xmm15, QWORD PTR [rdi+96]
+	mov	QWORD PTR [rsp], r13
+	movdqa	XMMWORD PTR [rsp+32], xmm0
+
+	stmxcsr DWORD PTR [rsp+24]
+	mov DWORD PTR [rsp+28], 16256
+	ldmxcsr DWORD PTR [rsp+28]
+
+	mov	rcx, QWORD PTR [rbx+56]
+	xorps	xmm12, xmm12
+	xor	rcx, QWORD PTR [rbx+24]
+	mov	rax, QWORD PTR [rbx+48]
+	xor	rax, QWORD PTR [rbx+16]
+	mov	rsi, QWORD PTR [rbx+32]
+	mov	rbp, QWORD PTR [rdi+32]
+	movq	xmm0, rcx
+
+	mov	rcx, QWORD PTR [rbx+88]
+	xor	rcx, QWORD PTR [rbx+72]
+	movq	xmm7, rax
+	mov	rax, QWORD PTR [rbx+80]
+	xor	rax, QWORD PTR [rbx+64]
+	mov	r14, QWORD PTR [rbx+40]
+	mov	r15, QWORD PTR [rdi+40]
+	xor	rsi, QWORD PTR [rbx]
+	xor	rbp, QWORD PTR [rdi]
+	movq	xmm9, rax
+
+	mov	rax, QWORD PTR [rdi+48]
+	xor	rax, QWORD PTR [rdi+16]
+	xor	r14, QWORD PTR [rbx+8]
+	xor	r15, QWORD PTR [rdi+8]
+	movq	xmm8, rax
+	punpcklqdq xmm7, xmm0
+
+	mov eax, 1023
+	shl rax, 52
+	movq xmm11, rax
+	punpcklqdq xmm11, xmm11
+
+	mov	rax, QWORD PTR [rdi+80]
+	movq	xmm0, rcx
+	mov	rcx, QWORD PTR [rdi+56]
+	xor	rcx, QWORD PTR [rdi+24]
+	punpcklqdq xmm9, xmm0
+	mov	QWORD PTR [rsp+8], 16384
+	movq	xmm0, rcx
+	mov	rcx, QWORD PTR [rdi+88]
+	xor	rcx, QWORD PTR [rdi+72]
+	xor	rax, QWORD PTR [rdi+64]
+	punpcklqdq xmm8, xmm0
+	movq	xmm0, rcx
+	movq	xmm10, rax
+	mov	rax, 4389456576511
+	mov	QWORD PTR [rsp+16], rax
+	mov	rax, -4389456576512
+	mov	QWORD PTR [rsp+216], rax
+	punpcklqdq xmm10, xmm0
+
+	ALIGN(64)
+upx2_main_loop:
+	mov	rdx, rsi
+	mov	r9, rbp
+	and	edx, 131056
+	and	r9d, 131056
+	movdqu	xmm6, XMMWORD PTR [rdx+r12]
+	lea	r8, QWORD PTR [rdx+r12]
+	movdqu	xmm4, XMMWORD PTR [r9+r13]
+	lea	r10, QWORD PTR [r9+r13]
+	mov	ecx, edx
+	mov	eax, edx
+	xor	rax, 32
+	xor	rcx, 48
+	xor	rdx, 16
+	movq	xmm0, r14
+	movq	xmm3, rsi
+	movq	xmm5, rbp
+	punpcklqdq xmm3, xmm0
+	movq	xmm0, r15
+	movdqu	xmm2, XMMWORD PTR [rax+r12]
+	movdqu	xmm1, XMMWORD PTR [rcx+r12]
+	paddq	xmm2, xmm3
+	punpcklqdq xmm5, xmm0
+	paddq	xmm1, xmm7
+	aesenc	xmm6, xmm3
+	aesenc	xmm4, xmm5
+	movdqa	xmm0, xmm9
+	movq	rdi, xmm4
+	paddq	xmm0, XMMWORD PTR [rdx+r12]
+	movdqu	XMMWORD PTR [rdx+r12], xmm0
+	xor	edx, edx
+	movdqu	XMMWORD PTR [rax+r12], xmm1
+	movdqa	xmm0, xmm6
+	movdqu	XMMWORD PTR [rcx+r12], xmm2
+	pxor	xmm0, xmm7
+	movdqu	XMMWORD PTR [r8], xmm0
+	mov	ecx, r9d
+	xor	rcx, 48
+	mov	eax, r9d
+	xor	rax, 32
+	xor	r9, 16
+	movdqa	xmm0, xmm10
+	movdqu	xmm1, XMMWORD PTR [rcx+r13]
+	movdqu	xmm2, XMMWORD PTR [rax+r13]
+	paddq	xmm1, xmm8
+	paddq	xmm0, XMMWORD PTR [r9+r13]
+	paddq	xmm2, xmm5
+	movdqu	XMMWORD PTR [r9+r13], xmm0
+	movq	r9, xmm6
+	movdqu	XMMWORD PTR [rax+r13], xmm1
+	movdqa	xmm0, xmm4
+	movdqu	XMMWORD PTR [rcx+r13], xmm2
+	pxor	xmm0, xmm8
+	movdqu	XMMWORD PTR [r10], xmm0
+	movq	rcx, xmm14
+	mov	rax, rcx
+	movq	r10, xmm13
+	shl	rax, 32
+	movdqa	xmm0, xmm6
+	xor	r10, rax
+	psrldq	xmm0, 8
+	lea	r8, QWORD PTR [rcx+rcx]
+	movq	rax, xmm0
+	add	r8d, r9d
+	mov	ecx, -2147483647
+	or	r8, rcx
+	mov	r11, r9
+	div	r8
+	and	r11d, 131056
+	movaps	xmm1, xmm12
+	mov	eax, eax
+	add	r11, r12
+	shl	rdx, 32
+	add	rdx, rax
+	xor	r10, QWORD PTR [r11]
+	mov	rbx, QWORD PTR [r11+8]
+	lea	r8, QWORD PTR [rdx+r9]
+	movq	xmm13, rdx
+	mov	rax, r8
+	shr	rax, 12
+	movq	xmm0, rax
+	paddq	xmm0, xmm11
+	sqrtsd	xmm1, xmm0
+	movq	rdx, xmm1
+	mov	rax, rdx
+	shr	rdx, 19
+	shr	rax, 20
+	mov	rcx, rdx
+	sub	rcx, rax
+	add	rax, QWORD PTR [rsp+216]
+	sub	rcx, QWORD PTR [rsp+16]
+	mov	r13, QWORD PTR [rsp]
+	imul	rcx, rax
+	mov	rax, r10
+	sub	rcx, r8
+	mov	rcx, r9
+	adc	rdx, 0
+	xor	rcx, 32
+	and	ecx, 131056
+	movq	xmm14, rdx
+	movdqu	xmm1, XMMWORD PTR [rcx+r12]
+	mul	r9
+	paddq	xmm1, xmm3
+	mov	r8, rax
+	xor	r8, QWORD PTR [rcx+r12+8]
+	add	r14, r8
+	movq	xmm0, rax
+	movq	xmm2, rdx
+	xor	rdx, QWORD PTR [rcx+r12]
+	mov	rax, r9
+	xor	rax, 48
+	punpcklqdq xmm2, xmm0
+	and	eax, 131056
+	add	rsi, rdx
+	xor	r9, 16
+	xor	edx, edx
+	and	r9d, 131056
+	movdqu	xmm0, XMMWORD PTR [rax+r12]
+	paddq	xmm0, xmm7
+	pxor	xmm2, XMMWORD PTR [r9+r12]
+	paddq	xmm2, xmm9
+	movdqu	XMMWORD PTR [r9+r12], xmm2
+	movq	r9, xmm15
+	movdqu	XMMWORD PTR [rcx+r12], xmm0
+	movdqa	xmm0, xmm4
+	mov	rcx, QWORD PTR [rsp+32]
+	movdqu	XMMWORD PTR [rax+r12], xmm1
+	mov	rax, rcx
+	shl	rax, 32
+	movaps	xmm1, xmm12
+	xor	r9, rax
+	psrldq	xmm0, 8
+	lea	r8, QWORD PTR [rcx+rcx]
+	mov	QWORD PTR [r11], rsi
+	add	r8d, edi
+	mov	QWORD PTR [r11+8], r14
+	movq	rax, xmm0
+	mov	ecx, -2147483647
+	or	r8, rcx
+	xor	rsi, r10
+	div	r8
+	mov	r10, rdi
+	xor	r14, rbx
+	mov	eax, eax
+	and	r10d, 131056
+	shl	rdx, 32
+	add	r10, r13
+	add	rdx, rax
+	xor	r9, QWORD PTR [r10]
+	mov	r11, QWORD PTR [r10+8]
+	lea	r8, QWORD PTR [rdx+rdi]
+	mov	rax, r8
+	movq	xmm15, rdx
+	shr	rax, 12
+	movq	xmm0, rax
+	paddq	xmm0, xmm11
+	sqrtsd	xmm1, xmm0
+	movq	rdx, xmm1
+	mov	rax, rdx
+	shr	rax, 20
+	shr	rdx, 19
+	mov	rcx, rdx
+	sub	rcx, rax
+	sub	rcx, QWORD PTR [rsp+16]
+	movdqa	xmm9, xmm7
+	movdqa	xmm7, xmm6
+	add	rax, QWORD PTR [rsp+216]
+	imul	rcx, rax
+	mov	rax, r9
+	sub	rcx, r8
+	mov	rcx, rdi
+	adc	rdx, 0
+	xor	rcx, 32
+	and	ecx, 131056
+	mov	QWORD PTR [rsp+32], rdx
+	movdqu	xmm1, XMMWORD PTR [rcx+r13]
+	mul	rdi
+	paddq	xmm1, xmm5
+	mov	r8, rax
+	xor	r8, QWORD PTR [rcx+r13+8]
+	add	r15, r8
+	movq	xmm0, rax
+	movq	xmm2, rdx
+	xor	rdx, QWORD PTR [rcx+r13]
+	mov	rax, rdi
+	xor	rdi, 16
+	punpcklqdq xmm2, xmm0
+	xor	rax, 48
+	and	edi, 131056
+	and	eax, 131056
+	add	rbp, rdx
+	pxor	xmm2, XMMWORD PTR [rdi+r13]
+	movdqu	xmm0, XMMWORD PTR [rax+r13]
+	paddq	xmm2, xmm10
+	movdqu	XMMWORD PTR [rdi+r13], xmm2
+	paddq	xmm0, xmm8
+	movdqu	XMMWORD PTR [rcx+r13], xmm0
+	movdqa	xmm10, xmm8
+	movdqu	XMMWORD PTR [rax+r13], xmm1
+	movdqa	xmm8, xmm4
+	mov	QWORD PTR [r10], rbp
+	xor	rbp, r9
+	mov	QWORD PTR [r10+8], r15
+	xor	r15, r11
+	sub	QWORD PTR [rsp+8], 1
+	jne	upx2_main_loop
+
+	ldmxcsr DWORD PTR [rsp+24]
+
+	movaps	xmm13, XMMWORD PTR [rsp+80]
+	lea	r11, QWORD PTR [rsp+232]
+	movaps	xmm6, XMMWORD PTR [r11-24]
+	movaps	xmm7, XMMWORD PTR [r11-40]
+	movaps	xmm8, XMMWORD PTR [r11-56]
+	movaps	xmm9, XMMWORD PTR [r11-72]
+	movaps	xmm10, XMMWORD PTR [r11-88]
+	movaps	xmm11, XMMWORD PTR [r11-104]
+	movaps	xmm12, XMMWORD PTR [r11-120]
+	movaps	xmm14, XMMWORD PTR [rsp+64]
+	movaps	xmm15, XMMWORD PTR [rsp+48]
+	mov	rsp, r11
+	pop	r15
+	pop	r14
+	pop	r13
+	pop	r12
+	pop	rdi
+	pop	rsi
+	pop	rbp
+	pop	rbx
--- a/src/crypto/cn/asm/cn_main_loop.S
+++ b/src/crypto/cn/asm/cn_main_loop.S
@@ -17,6 +17,7 @@
 .global FN_PREFIX(cnv2_double_mainloop_sandybridge_asm)
 .global FN_PREFIX(cnv2_rwz_mainloop_asm)
 .global FN_PREFIX(cnv2_rwz_double_mainloop_asm)
+.global FN_PREFIX(cnv2_upx_double_mainloop_zen3_asm)

 ALIGN(64)
 FN_PREFIX(cnv2_mainloop_ivybridge_asm):
@@ -72,6 +73,15 @@ FN_PREFIX(cnv2_rwz_double_mainloop_asm):
 	ret 0
 	mov eax, 3735929054

+ALIGN(64)
+FN_PREFIX(cnv2_upx_double_mainloop_zen3_asm):
+	sub rsp, 48
+	mov rcx, rdi
+	#include "cn2/cnv2_upx_double_mainloop_zen3.inc"
+	add rsp, 48
+	ret 0
+	mov eax, 3735929054
+
 #if defined(__linux__) && defined(__ELF__)
 .section .note.GNU-stack,"",%progbits
 #endif
--- a/src/crypto/cn/asm/cn_main_loop.asm
+++ b/src/crypto/cn/asm/cn_main_loop.asm
@@ -48,5 +48,12 @@ cnv2_rwz_double_mainloop_asm PROC
 	mov eax, 3735929054
 cnv2_rwz_double_mainloop_asm ENDP

+ALIGN(64)
+cnv2_upx_double_mainloop_zen3_asm PROC
+	INCLUDE cn2/cnv2_upx_double_mainloop_zen3.inc
+	ret 0
+	mov eax, 3735929054
+cnv2_upx_double_mainloop_zen3_asm ENDP
+
 _TEXT_CNV2_MAINLOOP ENDS
 END
--- a/src/crypto/cn/asm/win64/cn2/cnv2_upx_double_mainloop_zen3.inc
+++ b/src/crypto/cn/asm/win64/cn2/cnv2_upx_double_mainloop_zen3.inc
@@ -0,0 +1,320 @@
+	mov	rax, rsp
+	push	rbx
+	push	rbp
+	push	rsi
+	push	rdi
+	push	r12
+	push	r13
+	push	r14
+	push	r15
+	sub	rsp, 232
+
+	mov	rdi, QWORD PTR [rcx+8]
+
+	mov	edx, 768
+	mov	rbx, QWORD PTR [rcx]
+	mov	ecx, 256
+	movaps	XMMWORD PTR [rax-88], xmm6
+	movaps	XMMWORD PTR [rax-104], xmm7
+	mov	r13, QWORD PTR [rdi+224]
+	movd	xmm0, QWORD PTR [rdi+104]
+	mov	r12, QWORD PTR [rbx+224]
+	movaps	XMMWORD PTR [rax-120], xmm8
+	movaps	XMMWORD PTR [rax-136], xmm9
+	movaps	XMMWORD PTR [rax-152], xmm10
+	movaps	XMMWORD PTR [rsp+112], xmm11
+	movaps	XMMWORD PTR [rsp+96], xmm12
+	movaps	XMMWORD PTR [rsp+80], xmm13
+	movd	xmm13, QWORD PTR [rbx+96]
+	movaps	XMMWORD PTR [rsp+64], xmm14
+	movd	xmm14, QWORD PTR [rbx+104]
+	movaps	XMMWORD PTR [rsp+48], xmm15
+	movd	xmm15, QWORD PTR [rdi+96]
+	mov	QWORD PTR [rsp], r13
+	movdqa	XMMWORD PTR [rsp+32], xmm0
+
+	stmxcsr DWORD PTR [rsp+24]
+	mov DWORD PTR [rsp+28], 16256
+	ldmxcsr DWORD PTR [rsp+28]
+
+	mov	rcx, QWORD PTR [rbx+56]
+	xorps	xmm12, xmm12
+	xor	rcx, QWORD PTR [rbx+24]
+	mov	rax, QWORD PTR [rbx+48]
+	xor	rax, QWORD PTR [rbx+16]
+	mov	rsi, QWORD PTR [rbx+32]
+	mov	rbp, QWORD PTR [rdi+32]
+	movd	xmm0, rcx
+
+	mov	rcx, QWORD PTR [rbx+88]
+	xor	rcx, QWORD PTR [rbx+72]
+	movd	xmm7, rax
+	mov	rax, QWORD PTR [rbx+80]
+	xor	rax, QWORD PTR [rbx+64]
+	mov	r14, QWORD PTR [rbx+40]
+	mov	r15, QWORD PTR [rdi+40]
+	xor	rsi, QWORD PTR [rbx]
+	xor	rbp, QWORD PTR [rdi]
+	movd	xmm9, rax
+
+	mov	rax, QWORD PTR [rdi+48]
+	xor	rax, QWORD PTR [rdi+16]
+	xor	r14, QWORD PTR [rbx+8]
+	xor	r15, QWORD PTR [rdi+8]
+	movd	xmm8, rax
+	punpcklqdq xmm7, xmm0
+
+	mov eax, 1023
+	shl rax, 52
+	movd xmm11, rax
+	punpcklqdq xmm11, xmm11
+
+	mov	rax, QWORD PTR [rdi+80]
+	movd	xmm0, rcx
+	mov	rcx, QWORD PTR [rdi+56]
+	xor	rcx, QWORD PTR [rdi+24]
+	punpcklqdq xmm9, xmm0
+	mov	QWORD PTR [rsp+8], 16384
+	movd	xmm0, rcx
+	mov	rcx, QWORD PTR [rdi+88]
+	xor	rcx, QWORD PTR [rdi+72]
+	xor	rax, QWORD PTR [rdi+64]
+	punpcklqdq xmm8, xmm0
+	movd	xmm0, rcx
+	movd	xmm10, rax
+	mov	rax, 4389456576511
+	mov	QWORD PTR [rsp+16], rax
+	mov	rax, -4389456576512
+	mov	QWORD PTR [rsp+216], rax
+	punpcklqdq xmm10, xmm0
+
+	ALIGN(64)
+upx2_main_loop:
+	mov	rdx, rsi
+	mov	r9, rbp
+	and	edx, 131056
+	and	r9d, 131056
+	movdqu	xmm6, XMMWORD PTR [rdx+r12]
+	lea	r8, QWORD PTR [rdx+r12]
+	movdqu	xmm4, XMMWORD PTR [r9+r13]
+	lea	r10, QWORD PTR [r9+r13]
+	mov	ecx, edx
+	mov	eax, edx
+	xor	rax, 32
+	xor	rcx, 48
+	xor	rdx, 16
+	movd	xmm0, r14
+	movd	xmm3, rsi
+	movd	xmm5, rbp
+	punpcklqdq xmm3, xmm0
+	movd	xmm0, r15
+	movdqu	xmm2, XMMWORD PTR [rax+r12]
+	movdqu	xmm1, XMMWORD PTR [rcx+r12]
+	paddq	xmm2, xmm3
+	punpcklqdq xmm5, xmm0
+	paddq	xmm1, xmm7
+	aesenc	xmm6, xmm3
+	aesenc	xmm4, xmm5
+	movdqa	xmm0, xmm9
+	movd	rdi, xmm4
+	paddq	xmm0, XMMWORD PTR [rdx+r12]
+	movdqu	XMMWORD PTR [rdx+r12], xmm0
+	xor	edx, edx
+	movdqu	XMMWORD PTR [rax+r12], xmm1
+	movdqa	xmm0, xmm6
+	movdqu	XMMWORD PTR [rcx+r12], xmm2
+	pxor	xmm0, xmm7
+	movdqu	XMMWORD PTR [r8], xmm0
+	mov	ecx, r9d
+	xor	rcx, 48
+	mov	eax, r9d
+	xor	rax, 32
+	xor	r9, 16
+	movdqa	xmm0, xmm10
+	movdqu	xmm1, XMMWORD PTR [rcx+r13]
+	movdqu	xmm2, XMMWORD PTR [rax+r13]
+	paddq	xmm1, xmm8
+	paddq	xmm0, XMMWORD PTR [r9+r13]
+	paddq	xmm2, xmm5
+	movdqu	XMMWORD PTR [r9+r13], xmm0
+	movd	r9, xmm6
+	movdqu	XMMWORD PTR [rax+r13], xmm1
+	movdqa	xmm0, xmm4
+	movdqu	XMMWORD PTR [rcx+r13], xmm2
+	pxor	xmm0, xmm8
+	movdqu	XMMWORD PTR [r10], xmm0
+	movd	rcx, xmm14
+	mov	rax, rcx
+	movd	r10, xmm13
+	shl	rax, 32
+	movdqa	xmm0, xmm6
+	xor	r10, rax
+	psrldq	xmm0, 8
+	lea	r8, QWORD PTR [rcx+rcx]
+	movd	rax, xmm0
+	add	r8d, r9d
+	mov	ecx, -2147483647
+	or	r8, rcx
+	mov	r11, r9
+	div	r8
+	and	r11d, 131056
+	movaps	xmm1, xmm12
+	mov	eax, eax
+	add	r11, r12
+	shl	rdx, 32
+	add	rdx, rax
+	xor	r10, QWORD PTR [r11]
+	mov	rbx, QWORD PTR [r11+8]
+	lea	r8, QWORD PTR [rdx+r9]
+	movd	xmm13, rdx
+	mov	rax, r8
+	shr	rax, 12
+	movd	xmm0, rax
+	paddq	xmm0, xmm11
+	sqrtsd	xmm1, xmm0
+	movd	rdx, xmm1
+	mov	rax, rdx
+	shr	rdx, 19
+	shr	rax, 20
+	mov	rcx, rdx
+	sub	rcx, rax
+	add	rax, QWORD PTR [rsp+216]
+	sub	rcx, QWORD PTR [rsp+16]
+	mov	r13, QWORD PTR [rsp]
+	imul	rcx, rax
+	mov	rax, r10
+	sub	rcx, r8
+	mov	rcx, r9
+	adc	rdx, 0
+	xor	rcx, 32
+	and	ecx, 131056
+	movd	xmm14, rdx
+	movdqu	xmm1, XMMWORD PTR [rcx+r12]
+	mul	r9
+	paddq	xmm1, xmm3
+	mov	r8, rax
+	xor	r8, QWORD PTR [rcx+r12+8]
+	add	r14, r8
+	movd	xmm0, rax
+	movd	xmm2, rdx
+	xor	rdx, QWORD PTR [rcx+r12]
+	mov	rax, r9
+	xor	rax, 48
+	punpcklqdq xmm2, xmm0
+	and	eax, 131056
+	add	rsi, rdx
+	xor	r9, 16
+	xor	edx, edx
+	and	r9d, 131056
+	movdqu	xmm0, XMMWORD PTR [rax+r12]
+	paddq	xmm0, xmm7
+	pxor	xmm2, XMMWORD PTR [r9+r12]
+	paddq	xmm2, xmm9
+	movdqu	XMMWORD PTR [r9+r12], xmm2
+	movd	r9, xmm15
+	movdqu	XMMWORD PTR [rcx+r12], xmm0
+	movdqa	xmm0, xmm4
+	mov	rcx, QWORD PTR [rsp+32]
+	movdqu	XMMWORD PTR [rax+r12], xmm1
+	mov	rax, rcx
+	shl	rax, 32
+	movaps	xmm1, xmm12
+	xor	r9, rax
+	psrldq	xmm0, 8
+	lea	r8, QWORD PTR [rcx+rcx]
+	mov	QWORD PTR [r11], rsi
+	add	r8d, edi
+	mov	QWORD PTR [r11+8], r14
+	movd	rax, xmm0
+	mov	ecx, -2147483647
+	or	r8, rcx
+	xor	rsi, r10
+	div	r8
+	mov	r10, rdi
+	xor	r14, rbx
+	mov	eax, eax
+	and	r10d, 131056
+	shl	rdx, 32
+	add	r10, r13
+	add	rdx, rax
+	xor	r9, QWORD PTR [r10]
+	mov	r11, QWORD PTR [r10+8]
+	lea	r8, QWORD PTR [rdx+rdi]
+	mov	rax, r8
+	movd	xmm15, rdx
+	shr	rax, 12
+	movd	xmm0, rax
+	paddq	xmm0, xmm11
+	sqrtsd	xmm1, xmm0
+	movd	rdx, xmm1
+	mov	rax, rdx
+	shr	rax, 20
+	shr	rdx, 19
+	mov	rcx, rdx
+	sub	rcx, rax
+	sub	rcx, QWORD PTR [rsp+16]
+	movdqa	xmm9, xmm7
+	movdqa	xmm7, xmm6
+	add	rax, QWORD PTR [rsp+216]
+	imul	rcx, rax
+	mov	rax, r9
+	sub	rcx, r8
+	mov	rcx, rdi
+	adc	rdx, 0
+	xor	rcx, 32
+	and	ecx, 131056
+	mov	QWORD PTR [rsp+32], rdx
+	movdqu	xmm1, XMMWORD PTR [rcx+r13]
+	mul	rdi
+	paddq	xmm1, xmm5
+	mov	r8, rax
+	xor	r8, QWORD PTR [rcx+r13+8]
+	add	r15, r8
+	movd	xmm0, rax
+	movd	xmm2, rdx
+	xor	rdx, QWORD PTR [rcx+r13]
+	mov	rax, rdi
+	xor	rdi, 16
+	punpcklqdq xmm2, xmm0
+	xor	rax, 48
+	and	edi, 131056
+	and	eax, 131056
+	add	rbp, rdx
+	pxor	xmm2, XMMWORD PTR [rdi+r13]
+	movdqu	xmm0, XMMWORD PTR [rax+r13]
+	paddq	xmm2, xmm10
+	movdqu	XMMWORD PTR [rdi+r13], xmm2
+	paddq	xmm0, xmm8
+	movdqu	XMMWORD PTR [rcx+r13], xmm0
+	movdqa	xmm10, xmm8
+	movdqu	XMMWORD PTR [rax+r13], xmm1
+	movdqa	xmm8, xmm4
+	mov	QWORD PTR [r10], rbp
+	xor	rbp, r9
+	mov	QWORD PTR [r10+8], r15
+	xor	r15, r11
+	sub	QWORD PTR [rsp+8], 1
+	jne	upx2_main_loop
+
+	ldmxcsr DWORD PTR [rsp+24]
+
+	movaps	xmm13, XMMWORD PTR [rsp+80]
+	lea	r11, QWORD PTR [rsp+232]
+	movaps	xmm6, XMMWORD PTR [r11-24]
+	movaps	xmm7, XMMWORD PTR [r11-40]
+	movaps	xmm8, XMMWORD PTR [r11-56]
+	movaps	xmm9, XMMWORD PTR [r11-72]
+	movaps	xmm10, XMMWORD PTR [r11-88]
+	movaps	xmm11, XMMWORD PTR [r11-104]
+	movaps	xmm12, XMMWORD PTR [r11-120]
+	movaps	xmm14, XMMWORD PTR [rsp+64]
+	movaps	xmm15, XMMWORD PTR [rsp+48]
+	mov	rsp, r11
+	pop	r15
+	pop	r14
+	pop	r13
+	pop	r12
+	pop	rdi
+	pop	rsi
+	pop	rbp
+	pop	rbx
--- a/src/crypto/cn/asm/win64/cn_main_loop.S
+++ b/src/crypto/cn/asm/win64/cn_main_loop.S
@@ -7,6 +7,7 @@
 .global cnv2_double_mainloop_sandybridge_asm
 .global cnv2_rwz_mainloop_asm
 .global cnv2_rwz_double_mainloop_asm
+.global cnv2_upx_double_mainloop_zen3_asm

 ALIGN(64)
 cnv2_mainloop_ivybridge_asm:
@@ -43,3 +44,9 @@ cnv2_rwz_double_mainloop_asm:
 	#include "cn2/cnv2_rwz_double_main_loop.inc"
 	ret 0
 	mov eax, 3735929054
+
+ALIGN(64)
+cnv2_upx_double_mainloop_zen3_asm:
+	#include "cn2/cnv2_upx_double_mainloop_zen3.inc"
+	ret 0
+	mov eax, 3735929054
--- a/src/crypto/cn/asm/win64/cn_main_loop.asm
+++ b/src/crypto/cn/asm/win64/cn_main_loop.asm
@@ -48,5 +48,12 @@ cnv2_rwz_double_mainloop_asm PROC
 	mov eax, 3735929054
 cnv2_rwz_double_mainloop_asm ENDP

+ALIGN(64)
+cnv2_upx_double_mainloop_zen3_asm PROC
+	INCLUDE cn2/cnv2_upx_double_mainloop_zen3.inc
+	ret 0
+	mov eax, 3735929054
+cnv2_upx_double_mainloop_zen3_asm ENDP
+
 _TEXT_CNV2_MAINLOOP ENDS
 END
--- a/src/crypto/cn/sse2neon.h
+++ b/src/crypto/cn/sse2neon.h
@@ -278,6 +278,7 @@ typedef int64x2_t __m128i; /* 128-bit vector containing integers */

 #define vreinterpretq_s64_m128d(x) vreinterpretq_s64_f64(x)

+#define vreinterpretq_u32_m128d(x) vreinterpretq_u32_f64(x)
 #define vreinterpretq_u64_m128d(x) vreinterpretq_u64_f64(x)

 #define vreinterpretq_f64_m128d(x) (x)
@@ -342,10 +343,10 @@ typedef union ALIGN_STRUCT(16) SIMDVec {
 /* Backwards compatibility for compilers with lack of specific type support */

 // Older gcc does not define vld1q_u8_x4 type
-#if defined(__GNUC__) && !defined(__clang__) &&   \
-    ((__GNUC__ == 10 && (__GNUC_MINOR__ <= 2)) || \
-     (__GNUC__ == 9 && (__GNUC_MINOR__ <= 3)) ||  \
-     (__GNUC__ == 8 && (__GNUC_MINOR__ <= 4)) || __GNUC__ <= 7)
+#if defined(__GNUC__) && !defined(__clang__) &&                        \
+    ((__GNUC__ <= 10 && defined(__arm__)) ||                           \
+     (__GNUC__ == 10 && __GNUC_MINOR__ < 3 && defined(__aarch64__)) || \
+     (__GNUC__ <= 9 && defined(__aarch64__)))
 FORCE_INLINE uint8x16x4_t _sse2neon_vld1q_u8_x4(const uint8_t *p)
 {
    uint8x16x4_t ret;
@@ -955,13 +956,34 @@ FORCE_INLINE void _mm_store_si128(__m128i *p, __m128i a)
    vst1q_s32((int32_t *) p, vreinterpretq_s32_m128i(a));
 }

-// Stores four 32-bit integer values as (as a __m128i value) at the address p.
-// https://msdn.microsoft.com/en-us/library/vstudio/edk11s13(v=vs.100).aspx
+// Stores 128-bits of integer data a at the address p.
+// https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_storeu_si128
 FORCE_INLINE void _mm_storeu_si128(__m128i *p, __m128i a)
 {
    vst1q_s32((int32_t *) p, vreinterpretq_s32_m128i(a));
 }

+// Stores 64-bits of integer data a at the address p.
+// https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_storeu_si64
+FORCE_INLINE void _mm_storeu_si64(void *p, __m128i a)
+{
+    vst1q_lane_s64((int64_t *) p, vreinterpretq_s64_m128i(a), 0);
+}
+
+// Stores 32-bits of integer data a at the address p.
+// https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_storeu_si32
+FORCE_INLINE void _mm_storeu_si32(void *p, __m128i a)
+{
+    vst1q_lane_s32((int32_t *) p, vreinterpretq_s32_m128i(a), 0);
+}
+
+// Stores 16-bits of integer data a at the address p.
+// https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_storeu_si16
+FORCE_INLINE void _mm_storeu_si16(void *p, __m128i a)
+{
+    vst1q_lane_s16((int16_t *) p, vreinterpretq_s16_m128i(a), 0);
+}
+
 // Stores the lower single - precision, floating - point value.
 // https://msdn.microsoft.com/en-us/library/tzz10fbx(v=vs.100).aspx
 FORCE_INLINE void _mm_store_ss(float *p, __m128 a)
@@ -2317,20 +2339,34 @@ FORCE_INLINE __m128i _mm_shuffle_epi8(__m128i a, __m128i b)
 //   ENDFOR
 // FORCE_INLINE __m128i _mm_blend_epi16(__m128i a, __m128i b,
 //                                      __constrange(0,255) int imm)
-#define _mm_blend_epi16(a, b, imm)                                        \
-    __extension__({                                                       \
-        const uint16_t _mask[8] = {((imm) & (1 << 0)) ? 0xFFFF : 0x0000,  \
-                                   ((imm) & (1 << 1)) ? 0xFFFF : 0x0000,  \
-                                   ((imm) & (1 << 2)) ? 0xFFFF : 0x0000,  \
-                                   ((imm) & (1 << 3)) ? 0xFFFF : 0x0000,  \
-                                   ((imm) & (1 << 4)) ? 0xFFFF : 0x0000,  \
-                                   ((imm) & (1 << 5)) ? 0xFFFF : 0x0000,  \
-                                   ((imm) & (1 << 6)) ? 0xFFFF : 0x0000,  \
-                                   ((imm) & (1 << 7)) ? 0xFFFF : 0x0000}; \
-        uint16x8_t _mask_vec = vld1q_u16(_mask);                          \
-        uint16x8_t _a = vreinterpretq_u16_m128i(a);                       \
-        uint16x8_t _b = vreinterpretq_u16_m128i(b);                       \
-        vreinterpretq_m128i_u16(vbslq_u16(_mask_vec, _b, _a));            \
+#define _mm_blend_epi16(a, b, imm)                                            \
+    __extension__({                                                           \
+        const uint16_t _mask[8] = {((imm) & (1 << 0)) ? (uint16_t) -1 : 0x0,  \
+                                   ((imm) & (1 << 1)) ? (uint16_t) -1 : 0x0,  \
+                                   ((imm) & (1 << 2)) ? (uint16_t) -1 : 0x0,  \
+                                   ((imm) & (1 << 3)) ? (uint16_t) -1 : 0x0,  \
+                                   ((imm) & (1 << 4)) ? (uint16_t) -1 : 0x0,  \
+                                   ((imm) & (1 << 5)) ? (uint16_t) -1 : 0x0,  \
+                                   ((imm) & (1 << 6)) ? (uint16_t) -1 : 0x0,  \
+                                   ((imm) & (1 << 7)) ? (uint16_t) -1 : 0x0}; \
+        uint16x8_t _mask_vec = vld1q_u16(_mask);                              \
+        uint16x8_t _a = vreinterpretq_u16_m128i(a);                           \
+        uint16x8_t _b = vreinterpretq_u16_m128i(b);                           \
+        vreinterpretq_m128i_u16(vbslq_u16(_mask_vec, _b, _a));                \
+    })
+
+// Blend packed double-precision (64-bit) floating-point elements from a and b
+// using control mask imm8, and store the results in dst.
+// https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_blend_pd
+#define _mm_blend_pd(a, b, imm)                                \
+    __extension__({                                            \
+        const uint64_t _mask[2] = {                            \
+            ((imm) & (1 << 0)) ? ~UINT64_C(0) : UINT64_C(0),   \
+            ((imm) & (1 << 1)) ? ~UINT64_C(0) : UINT64_C(0)};  \
+        uint64x2_t _mask_vec = vld1q_u64(_mask);               \
+        uint64x2_t _a = vreinterpretq_u64_m128d(a);            \
+        uint64x2_t _b = vreinterpretq_u64_m128d(b);            \
+        vreinterpretq_m128d_u64(vbslq_u64(_mask_vec, _b, _a)); \
    })

 // Blend packed 8-bit integers from a and b using mask, and store the results in
@@ -2434,8 +2470,7 @@ FORCE_INLINE __m128i _mm_slli_epi64(__m128i a, int imm)
        __m128i ret;                                                       \
        if (unlikely(imm) == 0) {                                          \
            ret = a;                                                       \
-        }                                                                  \
-        if (likely(0 < (imm) && (imm) < 16)) {                             \
+        } else if (likely(0 < (imm) && (imm) < 16)) {                      \
            ret = vreinterpretq_m128i_u16(                                 \
                vshlq_u16(vreinterpretq_u16_m128i(a), vdupq_n_s16(-imm))); \
        } else {                                                           \
@@ -2463,8 +2498,7 @@ FORCE_INLINE __m128i _mm_slli_epi64(__m128i a, int imm)
        __m128i ret;                                                       \
        if (unlikely((imm) == 0)) {                                        \
            ret = a;                                                       \
-        }                                                                  \
-        if (likely(0 < (imm) && (imm) < 32)) {                             \
+        } else if (likely(0 < (imm) && (imm) < 32)) {                      \
            ret = vreinterpretq_m128i_u32(                                 \
                vshlq_u32(vreinterpretq_u32_m128i(a), vdupq_n_s32(-imm))); \
        } else {                                                           \
@@ -2491,8 +2525,7 @@ FORCE_INLINE __m128i _mm_slli_epi64(__m128i a, int imm)
        __m128i ret;                                                       \
        if (unlikely((imm) == 0)) {                                        \
            ret = a;                                                       \
-        }                                                                  \
-        if (likely(0 < (imm) && (imm) < 64)) {                             \
+        } else if (likely(0 < (imm) && (imm) < 64)) {                      \
            ret = vreinterpretq_m128i_u64(                                 \
                vshlq_u64(vreinterpretq_u64_m128i(a), vdupq_n_s64(-imm))); \
        } else {                                                           \
@@ -2520,8 +2553,7 @@ FORCE_INLINE __m128i _mm_slli_epi64(__m128i a, int imm)
        __m128i ret;                                                       \
        if (unlikely((imm) == 0)) {                                        \
            ret = a;                                                       \
-        }                                                                  \
-        if (likely(0 < (imm) && (imm) < 32)) {                             \
+        } else if (likely(0 < (imm) && (imm) < 32)) {                      \
            ret = vreinterpretq_m128i_s32(                                 \
                vshlq_s32(vreinterpretq_s32_m128i(a), vdupq_n_s32(-imm))); \
        } else {                                                           \
@@ -2575,6 +2607,33 @@ FORCE_INLINE __m128i _mm_slli_epi64(__m128i a, int imm)
        ret;                                                            \
    })

+// Compute the square root of packed double-precision (64-bit) floating-point
+// elements in a, and store the results in dst.
+// https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_sqrt_pd
+FORCE_INLINE __m128d _mm_sqrt_pd(__m128d a)
+{
+#if defined(__aarch64__)
+    return vreinterpretq_m128d_f64(vsqrtq_f64(vreinterpretq_f64_m128d(a)));
+#else
+    double a0 = sqrt(((double *) &a)[0]);
+    double a1 = sqrt(((double *) &a)[1]);
+    return _mm_set_pd(a1, a0);
+#endif
+}
+
+// Compute the square root of the lower double-precision (64-bit) floating-point
+// element in b, store the result in the lower element of dst, and copy the
+// upper element from a to the upper element of dst.
+// https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_sqrt_sd
+FORCE_INLINE __m128d _mm_sqrt_sd(__m128d a, __m128d b)
+{
+#if defined(__aarch64__)
+    return _mm_move_sd(a, _mm_sqrt_pd(b));
+#else
+    return _mm_set_pd(((double *) &a)[1], sqrt(((double *) &b)[0]));
+#endif
+}
+
 // Shifts the 8 signed or unsigned 16-bit integers in a left by count bits while
 // shifting in zeros.
 //
@@ -2769,6 +2828,16 @@ FORCE_INLINE int _mm_movemask_epi8(__m128i a)
    return vgetq_lane_u8(paired64, 0) | ((int) vgetq_lane_u8(paired64, 8) << 8);
 }

+// Set each bit of mask dst based on the most significant bit of the
+// corresponding packed double-precision (64-bit) floating-point element in a.
+// https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_movemask_pd
+FORCE_INLINE int _mm_movemask_pd(__m128d a)
+{
+    uint64x2_t input = vreinterpretq_u64_m128d(a);
+    uint64x2_t high_bits = vshrq_n_u64(input, 63);
+    return vgetq_lane_u64(high_bits, 0) | (vgetq_lane_u64(high_bits, 1) << 1);
+}
+
 // Copy the lower 64-bit integer in a to dst.
 //
 //   dst[63:0] := a[63:0]
@@ -2944,6 +3013,13 @@ FORCE_INLINE __m128i _mm_subs_epu8(__m128i a, __m128i b)
        vqsubq_u8(vreinterpretq_u8_m128i(a), vreinterpretq_u8_m128i(b)));
 }

+#define _mm_ucomieq_sd _mm_comieq_sd
+#define _mm_ucomige_sd _mm_comige_sd
+#define _mm_ucomigt_sd _mm_comigt_sd
+#define _mm_ucomile_sd _mm_comile_sd
+#define _mm_ucomilt_sd _mm_comilt_sd
+#define _mm_ucomineq_sd _mm_comineq_sd
+
 // Subtracts the 16 signed 8-bit integers of b from the 16 signed 8-bit integers
 // of a and saturates.
 //
@@ -3805,6 +3881,32 @@ FORCE_INLINE __m128 _mm_fmadd_ps(__m128 a, __m128 b, __m128 c)
 #endif
 }

+// Alternatively add and subtract packed double-precision (64-bit)
+// floating-point elements in a to/from packed elements in b, and store the
+// results in dst.
+//
+// FOR j := 0 to 1
+//   i := j*64
+//   IF ((j & 1) == 0)
+//     dst[i+63:i] := a[i+63:i] - b[i+63:i]
+//   ELSE
+//     dst[i+63:i] := a[i+63:i] + b[i+63:i]
+//   FI
+// ENDFOR
+//
+// https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_addsub_pd
+FORCE_INLINE __m128d _mm_addsub_pd(__m128d a, __m128d b)
+{
+    __m128d mask = _mm_set_pd(1.0f, -1.0f);
+#if defined(__aarch64__)
+    return vreinterpretq_m128d_f64(vfmaq_f64(vreinterpretq_f64_m128d(a),
+                                             vreinterpretq_f64_m128d(b),
+                                             vreinterpretq_f64_m128d(mask)));
+#else
+    return _mm_add_pd(_mm_mul_pd(b, mask), a);
+#endif
+}
+
 // Alternatively add and subtract packed single-precision (32-bit)
 // floating-point elements in a to/from packed elements in b, and store the
 // results in dst.
@@ -4032,6 +4134,7 @@ FORCE_INLINE __m128 _mm_sqrt_ss(__m128 in)

 // Computes the approximations of the reciprocal square roots of the four
 // single-precision floating point values of in.
+// The current precision is 1% error.
 // https://msdn.microsoft.com/en-us/library/22hfsh53(v=vs.100).aspx
 FORCE_INLINE __m128 _mm_rsqrt_ps(__m128 in)
 {
@@ -4240,6 +4343,22 @@ FORCE_INLINE __m128d _mm_max_pd(__m128d a, __m128d b)
 #endif
 }

+// Compare the lower double-precision (64-bit) floating-point elements in a and
+// b, store the maximum value in the lower element of dst, and copy the upper
+// element from a to the upper element of dst.
+// https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_max_sd
+FORCE_INLINE __m128d _mm_max_sd(__m128d a, __m128d b)
+{
+#if defined(__aarch64__)
+    return _mm_move_sd(a, _mm_max_pd(a, b));
+#else
+    double *da = (double *) &a;
+    double *db = (double *) &b;
+    double c[2] = {fmax(da[0], db[0]), da[1]};
+    return vld1q_f32((float32_t *) c);
+#endif
+}
+
 // Computes the pairwise minima of the 16 unsigned 8-bit integers from a and the
 // 16 unsigned 8-bit integers from b.
 // https://msdn.microsoft.com/ko-kr/library/17k8cf58(v=vs.100).aspxx
@@ -4249,6 +4368,42 @@ FORCE_INLINE __m128i _mm_min_epu8(__m128i a, __m128i b)
        vminq_u8(vreinterpretq_u8_m128i(a), vreinterpretq_u8_m128i(b)));
 }

+// Compare packed double-precision (64-bit) floating-point elements in a and b,
+// and store packed minimum values in dst.
+// https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_min_pd
+FORCE_INLINE __m128d _mm_min_pd(__m128d a, __m128d b)
+{
+#if defined(__aarch64__)
+    return vreinterpretq_m128d_f64(
+        vminq_f64(vreinterpretq_f64_m128d(a), vreinterpretq_f64_m128d(b)));
+#else
+    uint64_t a0 = (uint64_t) vget_low_u64(vreinterpretq_u64_m128d(a));
+    uint64_t a1 = (uint64_t) vget_high_u64(vreinterpretq_u64_m128d(a));
+    uint64_t b0 = (uint64_t) vget_low_u64(vreinterpretq_u64_m128d(b));
+    uint64_t b1 = (uint64_t) vget_high_u64(vreinterpretq_u64_m128d(b));
+    uint64_t d[2];
+    d[0] = (*(double *) &a0) < (*(double *) &b0) ? a0 : b0;
+    d[1] = (*(double *) &a1) < (*(double *) &b1) ? a1 : b1;
+    return vreinterpretq_m128d_u64(vld1q_u64(d));
+#endif
+}
+
+// Compare the lower double-precision (64-bit) floating-point elements in a and
+// b, store the minimum value in the lower element of dst, and copy the upper
+// element from a to the upper element of dst.
+// https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_min_sd
+FORCE_INLINE __m128d _mm_min_sd(__m128d a, __m128d b)
+{
+#if defined(__aarch64__)
+    return _mm_move_sd(a, _mm_min_pd(a, b));
+#else
+    double *da = (double *) &a;
+    double *db = (double *) &b;
+    double c[2] = {fmin(da[0], db[0]), da[1]};
+    return vld1q_f32((float32_t *) c);
+#endif
+}
+
 // Computes the pairwise minima of the 8 signed 16-bit integers from a and the 8
 // signed 16-bit integers from b.
 // https://msdn.microsoft.com/en-us/library/vstudio/6te997ew(v=vs.100).aspx
@@ -4448,6 +4603,23 @@ FORCE_INLINE __m128i _mm_hadd_epi16(__m128i _a, __m128i _b)
 #endif
 }

+// Horizontally subtract adjacent pairs of double-precision (64-bit)
+// floating-point elements in a and b, and pack the results in dst.
+// https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_hsub_pd
+FORCE_INLINE __m128d _mm_hsub_pd(__m128d _a, __m128d _b)
+{
+#if defined(__aarch64__)
+    return vreinterpretq_m128d_f64(vsubq_f64(
+        vuzp1q_f64(vreinterpretq_f64_m128d(_a), vreinterpretq_f64_m128d(_b)),
+        vuzp2q_f64(vreinterpretq_f64_m128d(_a), vreinterpretq_f64_m128d(_b))));
+#else
+    double *da = (double *) &_a;
+    double *db = (double *) &_b;
+    double c[] = {da[0] - da[1], db[0] - db[1]};
+    return vreinterpretq_m128d_u64(vld1q_u64((uint64_t *) c));
+#endif
+}
+
 // Horizontally substract adjacent pairs of single-precision (32-bit)
 // floating-point elements in a and b, and pack the results in dst.
 // https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_hsub_ps
@@ -4808,6 +4980,57 @@ FORCE_INLINE __m128d _mm_cmpeq_pd(__m128d a, __m128d b)
 #endif
 }

+// Compare the lower double-precision (64-bit) floating-point elements in a and
+// b for equality, store the result in the lower element of dst, and copy the
+// upper element from a to the upper element of dst.
+// https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_cmpeq_sd
+FORCE_INLINE __m128d _mm_cmpeq_sd(__m128d a, __m128d b)
+{
+    return _mm_move_sd(a, _mm_cmpeq_pd(a, b));
+}
+
+// Compare packed double-precision (64-bit) floating-point elements in a and b
+// for greater-than-or-equal, and store the results in dst.
+// https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_cmpge_pd
+FORCE_INLINE __m128d _mm_cmpge_pd(__m128d a, __m128d b)
+{
+#if defined(__aarch64__)
+    return vreinterpretq_m128d_u64(
+        vcgeq_f64(vreinterpretq_f64_m128d(a), vreinterpretq_f64_m128d(b)));
+#else
+    uint64_t a0 = (uint64_t) vget_low_u64(vreinterpretq_u64_m128d(a));
+    uint64_t a1 = (uint64_t) vget_high_u64(vreinterpretq_u64_m128d(a));
+    uint64_t b0 = (uint64_t) vget_low_u64(vreinterpretq_u64_m128d(b));
+    uint64_t b1 = (uint64_t) vget_high_u64(vreinterpretq_u64_m128d(b));
+    uint64_t d[2];
+    d[0] = (*(double *) &a0) >= (*(double *) &b0) ? ~UINT64_C(0) : UINT64_C(0);
+    d[1] = (*(double *) &a1) >= (*(double *) &b1) ? ~UINT64_C(0) : UINT64_C(0);
+
+    return vreinterpretq_m128d_u64(vld1q_u64(d));
+#endif
+}
+
+// Compare the lower double-precision (64-bit) floating-point elements in a and
+// b for greater-than-or-equal, store the result in the lower element of dst,
+// and copy the upper element from a to the upper element of dst.
+// https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_cmpge_sd
+FORCE_INLINE __m128d _mm_cmpge_sd(__m128d a, __m128d b)
+{
+#if defined(__aarch64__)
+    return _mm_move_sd(a, _mm_cmpge_pd(a, b));
+#else
+    // expand "_mm_cmpge_pd()" to reduce unnecessary operations
+    uint64_t a0 = (uint64_t) vget_low_u64(vreinterpretq_u64_m128d(a));
+    uint64_t a1 = (uint64_t) vget_high_u64(vreinterpretq_u64_m128d(a));
+    uint64_t b0 = (uint64_t) vget_low_u64(vreinterpretq_u64_m128d(b));
+    uint64_t d[2];
+    d[0] = (*(double *) &a0) >= (*(double *) &b0) ? ~UINT64_C(0) : UINT64_C(0);
+    d[1] = a1;
+
+    return vreinterpretq_m128d_u64(vld1q_u64(d));
+#endif
+}
+
 // Compares the 8 signed or unsigned 16-bit integers in a and the 8 signed or
 // unsigned 16-bit integers in b for equality.
 // https://msdn.microsoft.com/en-us/library/2ay060te(v=vs.100).aspx
@@ -4872,6 +5095,95 @@ FORCE_INLINE __m128d _mm_cmplt_pd(__m128d a, __m128d b)
 #endif
 }

+// Compare the lower double-precision (64-bit) floating-point elements in a and
+// b for less-than, store the result in the lower element of dst, and copy the
+// upper element from a to the upper element of dst.
+// https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_cmplt_sd
+FORCE_INLINE __m128d _mm_cmplt_sd(__m128d a, __m128d b)
+{
+#if defined(__aarch64__)
+    return _mm_move_sd(a, _mm_cmplt_pd(a, b));
+#else
+    uint64_t a0 = (uint64_t) vget_low_u64(vreinterpretq_u64_m128d(a));
+    uint64_t a1 = (uint64_t) vget_high_u64(vreinterpretq_u64_m128d(a));
+    uint64_t b0 = (uint64_t) vget_low_u64(vreinterpretq_u64_m128d(b));
+    uint64_t d[2];
+    d[0] = (*(double *) &a0) < (*(double *) &b0) ? ~UINT64_C(0) : UINT64_C(0);
+    d[1] = a1;
+
+    return vreinterpretq_m128d_u64(vld1q_u64(d));
+#endif
+}
+
+// Compare packed double-precision (64-bit) floating-point elements in a and b
+// for not-equal, and store the results in dst.
+// https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_cmpneq_pd
+FORCE_INLINE __m128d _mm_cmpneq_pd(__m128d a, __m128d b)
+{
+#if defined(__aarch64__)
+    return vreinterpretq_m128d_s32(vmvnq_s32(vreinterpretq_s32_u64(
+        vceqq_f64(vreinterpretq_f64_m128d(a), vreinterpretq_f64_m128d(b)))));
+#else
+    // (a == b) -> (a_lo == b_lo) && (a_hi == b_hi)
+    uint32x4_t cmp =
+        vceqq_u32(vreinterpretq_u32_m128d(a), vreinterpretq_u32_m128d(b));
+    uint32x4_t swapped = vrev64q_u32(cmp);
+    return vreinterpretq_m128d_u32(vmvnq_u32(vandq_u32(cmp, swapped)));
+#endif
+}
+
+// Compare the lower double-precision (64-bit) floating-point elements in a and
+// b for not-equal, store the result in the lower element of dst, and copy the
+// upper element from a to the upper element of dst.
+// https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_cmpneq_sd
+FORCE_INLINE __m128d _mm_cmpneq_sd(__m128d a, __m128d b)
+{
+    return _mm_move_sd(a, _mm_cmpneq_pd(a, b));
+}
+
+// Compare packed double-precision (64-bit) floating-point elements in a and b
+// for not-greater-than-or-equal, and store the results in dst.
+// https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_cmpnge_pd
+FORCE_INLINE __m128d _mm_cmpnge_pd(__m128d a, __m128d b)
+{
+    return _mm_cmplt_pd(a, b);
+}
+
+// Compare the lower double-precision (64-bit) floating-point elements in a and
+// b for not-greater-than-or-equal, store the result in the lower element of
+// dst, and copy the upper element from a to the upper element of dst.
+// https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_cmpnge_sd
+FORCE_INLINE __m128d _mm_cmpnge_sd(__m128d a, __m128d b)
+{
+    return _mm_cmplt_sd(a, b);
+}
+
+// Compare packed double-precision (64-bit) floating-point elements in a and b
+// for not-greater-than, and store the results in dst.
+// https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_cmpngt_pd
+#define _mm_cmpngt_pd(a, b) _mm_cmple_pd(a, b)
+
+// Compare the lower double-precision (64-bit) floating-point element in a and b
+// for equality, and return the boolean result (0 or 1).
+// https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_comieq_sd
+FORCE_INLINE int _mm_comieq_sd(__m128d a, __m128d b)
+{
+#if defined(__aarch64__)
+    return !!vgetq_lane_u64(vceqq_f64(a, b), 0);
+#else
+    uint32x4_t a_not_nan =
+        vceqq_u32(vreinterpretq_u32_m128d(a), vreinterpretq_u32_m128d(a));
+    uint32x4_t b_not_nan =
+        vceqq_u32(vreinterpretq_u32_m128d(b), vreinterpretq_u32_m128d(b));
+    uint32x4_t a_and_b_not_nan = vandq_u32(a_not_nan, b_not_nan);
+    uint32x4_t a_eq_b =
+        vceqq_u32(vreinterpretq_u32_m128d(a), vreinterpretq_u32_m128d(b));
+    uint64x2_t and_results = vandq_u64(vreinterpretq_u64_u32(a_and_b_not_nan),
+                                       vreinterpretq_u64_u32(a_eq_b));
+    return !!vgetq_lane_u64(and_results, 0);
+#endif
+}
+
 // Compares the 16 signed 8-bit integers in a and the 16 signed 8-bit integers
 // in b for greater than.
 //
@@ -4887,6 +5199,90 @@ FORCE_INLINE __m128i _mm_cmpgt_epi8(__m128i a, __m128i b)
        vcgtq_s8(vreinterpretq_s8_m128i(a), vreinterpretq_s8_m128i(b)));
 }

+// Compare packed double-precision (64-bit) floating-point elements in a and b
+// for greater-than, and store the results in dst.
+// https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_cmpgt_pd
+FORCE_INLINE __m128d _mm_cmpgt_pd(__m128d a, __m128d b)
+{
+#if defined(__aarch64__)
+    return vreinterpretq_m128d_u64(
+        vcgtq_f64(vreinterpretq_f64_m128d(a), vreinterpretq_f64_m128d(b)));
+#else
+    uint64_t a0 = (uint64_t) vget_low_u64(vreinterpretq_u64_m128d(a));
+    uint64_t a1 = (uint64_t) vget_high_u64(vreinterpretq_u64_m128d(a));
+    uint64_t b0 = (uint64_t) vget_low_u64(vreinterpretq_u64_m128d(b));
+    uint64_t b1 = (uint64_t) vget_high_u64(vreinterpretq_u64_m128d(b));
+    uint64_t d[2];
+    d[0] = (*(double *) &a0) > (*(double *) &b0) ? ~UINT64_C(0) : UINT64_C(0);
+    d[1] = (*(double *) &a1) > (*(double *) &b1) ? ~UINT64_C(0) : UINT64_C(0);
+
+    return vreinterpretq_m128d_u64(vld1q_u64(d));
+#endif
+}
+
+// Compare the lower double-precision (64-bit) floating-point elements in a and
+// b for greater-than, store the result in the lower element of dst, and copy
+// the upper element from a to the upper element of dst.
+// https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_cmpgt_sd
+FORCE_INLINE __m128d _mm_cmpgt_sd(__m128d a, __m128d b)
+{
+#if defined(__aarch64__)
+    return _mm_move_sd(a, _mm_cmpgt_pd(a, b));
+#else
+    // expand "_mm_cmpge_pd()" to reduce unnecessary operations
+    uint64_t a0 = (uint64_t) vget_low_u64(vreinterpretq_u64_m128d(a));
+    uint64_t a1 = (uint64_t) vget_high_u64(vreinterpretq_u64_m128d(a));
+    uint64_t b0 = (uint64_t) vget_low_u64(vreinterpretq_u64_m128d(b));
+    uint64_t d[2];
+    d[0] = (*(double *) &a0) > (*(double *) &b0) ? ~UINT64_C(0) : UINT64_C(0);
+    d[1] = a1;
+
+    return vreinterpretq_m128d_u64(vld1q_u64(d));
+#endif
+}
+
+// Compare packed double-precision (64-bit) floating-point elements in a and b
+// for less-than-or-equal, and store the results in dst.
+// https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_cmple_pd
+FORCE_INLINE __m128d _mm_cmple_pd(__m128d a, __m128d b)
+{
+#if defined(__aarch64__)
+    return vreinterpretq_m128d_u64(
+        vcleq_f64(vreinterpretq_f64_m128d(a), vreinterpretq_f64_m128d(b)));
+#else
+    uint64_t a0 = (uint64_t) vget_low_u64(vreinterpretq_u64_m128d(a));
+    uint64_t a1 = (uint64_t) vget_high_u64(vreinterpretq_u64_m128d(a));
+    uint64_t b0 = (uint64_t) vget_low_u64(vreinterpretq_u64_m128d(b));
+    uint64_t b1 = (uint64_t) vget_high_u64(vreinterpretq_u64_m128d(b));
+    uint64_t d[2];
+    d[0] = (*(double *) &a0) <= (*(double *) &b0) ? ~UINT64_C(0) : UINT64_C(0);
+    d[1] = (*(double *) &a1) <= (*(double *) &b1) ? ~UINT64_C(0) : UINT64_C(0);
+
+    return vreinterpretq_m128d_u64(vld1q_u64(d));
+#endif
+}
+
+// Compare the lower double-precision (64-bit) floating-point elements in a and
+// b for less-than-or-equal, store the result in the lower element of dst, and
+// copy the upper element from a to the upper element of dst.
+// https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_cmple_sd
+FORCE_INLINE __m128d _mm_cmple_sd(__m128d a, __m128d b)
+{
+#if defined(__aarch64__)
+    return _mm_move_sd(a, _mm_cmple_pd(a, b));
+#else
+    // expand "_mm_cmpge_pd()" to reduce unnecessary operations
+    uint64_t a0 = (uint64_t) vget_low_u64(vreinterpretq_u64_m128d(a));
+    uint64_t a1 = (uint64_t) vget_high_u64(vreinterpretq_u64_m128d(a));
+    uint64_t b0 = (uint64_t) vget_low_u64(vreinterpretq_u64_m128d(b));
+    uint64_t d[2];
+    d[0] = (*(double *) &a0) <= (*(double *) &b0) ? ~UINT64_C(0) : UINT64_C(0);
+    d[1] = a1;
+
+    return vreinterpretq_m128d_u64(vld1q_u64(d));
+#endif
+}
+
 // Compares the 8 signed 16-bit integers in a and the 8 signed 16-bit integers
 // in b for less than.
 //
@@ -4944,31 +5340,9 @@ FORCE_INLINE __m128i _mm_cmpgt_epi64(__m128i a, __m128i b)
    return vreinterpretq_m128i_u64(
        vcgtq_s64(vreinterpretq_s64_m128i(a), vreinterpretq_s64_m128i(b)));
 #else
-    // ARMv7 lacks vcgtq_s64.
-    // This is based off of Clang's SSE2 polyfill:
-    // (a > b) -> ((a_hi > b_hi) || (a_lo > b_lo && a_hi == b_hi))
-
-    // Mask the sign bit out since we need a signed AND an unsigned comparison
-    // and it is ugly to try and split them.
-    int32x4_t mask = vreinterpretq_s32_s64(vdupq_n_s64(0x80000000ull));
-    int32x4_t a_mask = veorq_s32(vreinterpretq_s32_m128i(a), mask);
-    int32x4_t b_mask = veorq_s32(vreinterpretq_s32_m128i(b), mask);
-    // Check if a > b
-    int64x2_t greater = vreinterpretq_s64_u32(vcgtq_s32(a_mask, b_mask));
-    // Copy upper mask to lower mask
-    // a_hi > b_hi
-    int64x2_t gt_hi = vshrq_n_s64(greater, 63);
-    // Copy lower mask to upper mask
-    // a_lo > b_lo
-    int64x2_t gt_lo = vsliq_n_s64(greater, greater, 32);
-    // Compare for equality
-    int64x2_t equal = vreinterpretq_s64_u32(vceqq_s32(a_mask, b_mask));
-    // Copy upper mask to lower mask
-    // a_hi == b_hi
-    int64x2_t eq_hi = vshrq_n_s64(equal, 63);
-    // a_hi > b_hi || (a_lo > b_lo && a_hi == b_hi)
-    int64x2_t ret = vorrq_s64(gt_hi, vandq_s64(gt_lo, eq_hi));
-    return vreinterpretq_m128i_s64(ret);
+    return vreinterpretq_m128i_s64(vshrq_n_s64(
+        vqsubq_s64(vreinterpretq_s64_m128i(b), vreinterpretq_s64_m128i(a)),
+        63));
 #endif
 }

@@ -5368,6 +5742,28 @@ FORCE_INLINE __m128d _mm_cvtepi32_pd(__m128i a)
 #endif
 }

+// Convert packed signed 32-bit integers in a to packed double-precision
+// (64-bit) floating-point elements, and store the results in dst.
+//
+//   FOR j := 0 to 1
+//     i := j*32
+//     m := j*64
+//     dst[m+63:m] := Convert_Int32_To_FP64(a[i+31:i])
+//   ENDFOR
+//
+// https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_cvtpi32_pd
+FORCE_INLINE __m128d _mm_cvtpi32_pd(__m64 a)
+{
+#if defined(__aarch64__)
+    return vreinterpretq_m128d_f64(
+        vcvtq_f64_s64(vmovl_s32(vreinterpret_s32_m64(a))));
+#else
+    double a0 = (double) vget_lane_s32(vreinterpret_s32_m64(a), 0);
+    double a1 = (double) vget_lane_s32(vreinterpret_s32_m64(a), 1);
+    return _mm_set_pd(a1, a0);
+#endif
+}
+
 // Converts the four unsigned 8-bit integers in the lower 16 bits to four
 // unsigned 32-bit integers.
 FORCE_INLINE __m128i _mm_cvtepu8_epi16(__m128i a)
@@ -5647,6 +6043,15 @@ FORCE_INLINE __m128d _mm_load1_pd(const double *p)
 // https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_load_pd1
 #define _mm_load_pd1 _mm_load1_pd

+// Load a double-precision (64-bit) floating-point element from memory into both
+// elements of dst.
+//
+//   dst[63:0] := MEM[mem_addr+63:mem_addr]
+//   dst[127:64] := MEM[mem_addr+63:mem_addr]
+//
+// https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_loaddup_pd
+#define _mm_loaddup_pd _mm_load1_pd
+
 // Load a double-precision (64-bit) floating-point element from memory into the
 // upper element of dst, and copy the lower element from a to dst. mem_addr does
 // not need to be aligned on any particular boundary.
@@ -6986,6 +7391,14 @@ FORCE_INLINE void _mm_sfence(void)
    __sync_synchronize();
 }

+// Store 64-bits of integer data from a into memory using a non-temporal memory
+// hint.
+// https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_stream_pi
+FORCE_INLINE void _mm_stream_pi(__m64 *p, __m64 a)
+{
+    vst1_s64((int64_t *) p, vreinterpret_s64_m64(a));
+}
+
 // Store 128-bits (composed of 4 packed single-precision (32-bit) floating-
 // point elements) from a into memory using a non-temporal memory hint.
 // https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_stream_ps
@@ -6998,6 +7411,22 @@ FORCE_INLINE void _mm_stream_ps(float *p, __m128 a)
 #endif
 }

+// Store 128-bits (composed of 2 packed double-precision (64-bit) floating-point
+// elements) from a into memory using a non-temporal memory hint. mem_addr must
+// be aligned on a 16-byte boundary or a general-protection exception may be
+// generated.
+// https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_stream_pd
+FORCE_INLINE void _mm_stream_pd(double *p, __m128d a)
+{
+#if __has_builtin(__builtin_nontemporal_store)
+    __builtin_nontemporal_store(a, (float32x4_t *) p);
+#elif defined(__aarch64__)
+    vst1q_f64(p, vreinterpretq_f64_m128d(a));
+#else
+    vst1q_s64((int64_t *) p, vreinterpretq_s64_m128d(a));
+#endif
+}
+
 // Stores the data in a to the address p without polluting the caches.  If the
 // cache line containing address p is already in the cache, the cache will be
 // updated.
@@ -7011,6 +7440,15 @@ FORCE_INLINE void _mm_stream_si128(__m128i *p, __m128i a)
 #endif
 }

+// Store 32-bit integer a into memory using a non-temporal hint to minimize
+// cache pollution. If the cache line containing address mem_addr is already in
+// the cache, the cache will be updated.
+// https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_stream_si32
+FORCE_INLINE void _mm_stream_si32(int *p, int a)
+{
+    vst1q_lane_s32((int32_t *) p, vdupq_n_s32(a), 0);
+}
+
 // Load 128-bits of integer data from memory into dst using a non-temporal
 // memory hint. mem_addr must be aligned on a 16-byte boundary or a
 // general-protection exception may be generated.
@@ -7065,6 +7503,12 @@ FORCE_INLINE void _mm_maskmove_si64(__m64 a, __m64 mask, char *mem_addr)
    vst1_s8((int8_t *) mem_addr, masked);
 }

+// Conditionally store 8-bit integer elements from a into memory using mask
+// (elements are not stored when the highest bit is not set in the corresponding
+// element) and a non-temporal memory hint.
+// https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_m_maskmovq
+#define _m_maskmovq(a, mask, mem_addr) _mm_maskmove_si64(a, mask, mem_addr)
+
 // Free aligned memory that was allocated with _mm_malloc.
 // https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_free
 FORCE_INLINE void _mm_free(void *addr)
--- a/src/crypto/common/HugePagesInfo.h
+++ b/src/crypto/common/HugePagesInfo.h
@@ -41,7 +41,7 @@ public:
    size_t size         = 0;

    inline bool isFullyAllocated() const { return allocated == total; }
-    inline double percent() const        { return allocated == 0 ? 0.0 : static_cast<double>(allocated) / total * 100.0; }
+    inline double percent() const        { return total == 0 ? 0.0 : static_cast<double>(allocated) / total * 100.0; }
    inline void reset()                  { allocated = 0; total = 0; size = 0; }

    inline HugePagesInfo &operator+=(const HugePagesInfo &other)
--- a/src/crypto/randomx/asm/program_imul_rcp_store.inc
+++ b/src/crypto/randomx/asm/program_imul_rcp_store.inc
@@ -0,0 +1,17 @@
+	db 72, 185, 0, 0, 0, 0, 0, 0, 0, 0, 81
+	db 72, 185, 0, 0, 0, 0, 0, 0, 0, 0, 81
+	db 72, 185, 0, 0, 0, 0, 0, 0, 0, 0, 81
+	db 72, 185, 0, 0, 0, 0, 0, 0, 0, 0, 81
+	db 72, 185, 0, 0, 0, 0, 0, 0, 0, 0, 81
+	db 72, 185, 0, 0, 0, 0, 0, 0, 0, 0, 81
+	db 72, 185, 0, 0, 0, 0, 0, 0, 0, 0, 81
+	db 72, 185, 0, 0, 0, 0, 0, 0, 0, 0, 81
+	db 72, 185, 0, 0, 0, 0, 0, 0, 0, 0, 81
+	db 72, 185, 0, 0, 0, 0, 0, 0, 0, 0, 81
+	db 72, 185, 0, 0, 0, 0, 0, 0, 0, 0, 81
+	db 72, 185, 0, 0, 0, 0, 0, 0, 0, 0, 81
+	db 72, 185, 0, 0, 0, 0, 0, 0, 0, 0, 81
+	db 72, 185, 0, 0, 0, 0, 0, 0, 0, 0, 81
+	db 72, 185, 0, 0, 0, 0, 0, 0, 0, 0, 81
+	db 72, 185, 0, 0, 0, 0, 0, 0, 0, 0, 81
+	add rsp, 128
--- a/src/crypto/randomx/asm/program_prologue_linux.inc
+++ b/src/crypto/randomx/asm/program_prologue_linux.inc
@@ -22,6 +22,7 @@
 	mov rsi, rdx                ;# uint8_t* scratchpad

 	mov rax, rbp
+	ror rbp, 32

 	;# zero integer registers
 	xor r8, r8
--- a/src/crypto/randomx/asm/program_prologue_win64.inc
+++ b/src/crypto/randomx/asm/program_prologue_win64.inc
@@ -35,6 +35,7 @@
 	mov rbx, r9                 ;# loop counter

 	mov rax, rbp
+	ror rbp, 32

 	;# zero integer registers
 	xor r8, r8
--- a/src/crypto/randomx/asm/program_read_dataset.inc
+++ b/src/crypto/randomx/asm/program_read_dataset.inc
@@ -1,17 +1,16 @@
+	mov ecx, ebp                       ;# ecx = ma
+	and ecx, RANDOMX_DATASET_BASE_MASK
+	xor r8, qword ptr [rdi+rcx]
+	ror rbp, 32                        ;# swap "ma" and "mx"
 	xor rbp, rax                       ;# modify "mx"
 	mov edx, ebp                       ;# edx = mx
 	and edx, RANDOMX_DATASET_BASE_MASK
 	prefetchnta byte ptr [rdi+rdx]
-	ror rbp, 32                        ;# swap "ma" and "mx"
-	mov edx, ebp                       ;# edx = ma
-	and edx, RANDOMX_DATASET_BASE_MASK
-	lea rcx, [rdi+rdx]                 ;# dataset cache line
-	xor r8,  qword ptr [rcx+0]
-	xor r9,  qword ptr [rcx+8]
-	xor r10, qword ptr [rcx+16]
-	xor r11, qword ptr [rcx+24]
-	xor r12, qword ptr [rcx+32]
-	xor r13, qword ptr [rcx+40]
-	xor r14, qword ptr [rcx+48]
-	xor r15, qword ptr [rcx+56]
+	xor r9,  qword ptr [rdi+rcx+8]
+	xor r10, qword ptr [rdi+rcx+16]
+	xor r11, qword ptr [rdi+rcx+24]
+	xor r12, qword ptr [rdi+rcx+32]
+	xor r13, qword ptr [rdi+rcx+40]
+	xor r14, qword ptr [rdi+rcx+48]
+	xor r15, qword ptr [rdi+rcx+56]
 	
--- a/src/crypto/randomx/asm/program_read_dataset_ryzen.inc
+++ b/src/crypto/randomx/asm/program_read_dataset_ryzen.inc
@@ -1,17 +0,0 @@
-	mov rcx, rbp                       ;# ecx = ma
-	shr rcx, 32
-	and ecx, RANDOMX_DATASET_BASE_MASK
-	xor r8, qword ptr [rdi+rcx]
-	xor rbp, rax                       ;# modify "mx"
-	mov edx, ebp                       ;# edx = mx
-	and edx, RANDOMX_DATASET_BASE_MASK
-	prefetchnta byte ptr [rdi+rdx]
-	ror rbp, 32                        ;# swap "ma" and "mx"
-	xor r9,  qword ptr [rdi+rcx+8]
-	xor r10, qword ptr [rdi+rcx+16]
-	xor r11, qword ptr [rdi+rcx+24]
-	xor r12, qword ptr [rdi+rcx+32]
-	xor r13, qword ptr [rdi+rcx+40]
-	xor r14, qword ptr [rdi+rcx+48]
-	xor r15, qword ptr [rdi+rcx+56]
-	
--- a/src/crypto/randomx/asm/program_read_dataset_sshash_fin.inc
+++ b/src/crypto/randomx/asm/program_read_dataset_sshash_fin.inc
@@ -7,4 +7,4 @@
 	xor r13, qword ptr [rsp+16]
 	xor r14, qword ptr [rsp+8]
 	xor r15, qword ptr [rsp+0]
-	add rsp, 72
+	add rsp, 200
--- a/src/crypto/randomx/asm/program_read_dataset_sshash_init.inc
+++ b/src/crypto/randomx/asm/program_read_dataset_sshash_init.inc
@@ -1,4 +1,4 @@
-	sub rsp, 72
+	sub rsp, 200
 	mov qword ptr [rsp+64], rbx
 	mov qword ptr [rsp+56], r8
 	mov qword ptr [rsp+48], r9
@@ -8,10 +8,10 @@
 	mov qword ptr [rsp+16], r13
 	mov qword ptr [rsp+8], r14
 	mov qword ptr [rsp+0], r15
-	xor rbp, rax                       ;# modify "mx"
 	ror rbp, 32                        ;# swap "ma" and "mx"
-	mov ebx, ebp                       ;# ecx = ma
-	and ebx, RANDOMX_DATASET_BASE_MASK
-	shr ebx, 6                         ;# ebx = Dataset block number
+	xor rbp, rax                       ;# modify "mx"
+	mov rbx, rbp                       ;# ebx = ma
+	shr rbx, 38
+	and ebx, RANDOMX_DATASET_BASE_MASK / 64 ;# ebx = Dataset block number
 	;# add ebx, datasetOffset / 64
 	;# call 32768
--- a/src/crypto/randomx/jit_compiler_a64_static.S
+++ b/src/crypto/randomx/jit_compiler_a64_static.S
@@ -304,6 +304,9 @@ literal_v14: .fill 2,8,0
 literal_v15: .fill 2,8,0

 DECL(randomx_program_aarch64_vm_instructions_end):
+	# Calculate dataset pointer for dataset read
+	# Do it here to break false dependency from readReg2 and readReg3 (see next line)
+	lsr	x10, x9, 32

 	# mx ^= r[readReg2] ^ r[readReg3];
 	eor	x9, x9, x18
@@ -321,8 +324,6 @@ DECL(randomx_program_aarch64_cacheline_align_mask1):
 	# mx <-> ma
 	ror	x9, x9, 32

-	# Calculate dataset pointer for dataset read
-	mov	w10, w9
 DECL(randomx_program_aarch64_cacheline_align_mask2):
 	# Actual mask will be inserted by JIT compiler
 	and	x10, x10, 1
--- a/src/crypto/randomx/jit_compiler_x86.cpp
+++ b/src/crypto/randomx/jit_compiler_x86.cpp
@@ -110,13 +110,12 @@ namespace randomx {
 	#define ADDR(x) ((uint8_t*)&x)
 #	endif

-	#define codePrefetchScratchpad ADDR(randomx_prefetch_scratchpad)
-	#define codePrefetchScratchpadEnd ADDR(randomx_prefetch_scratchpad_end)
 	#define codePrologue ADDR(randomx_program_prologue)
 	#define codeLoopBegin ADDR(randomx_program_loop_begin)
 	#define codeLoopLoad ADDR(randomx_program_loop_load)
 	#define codeLoopLoadXOP ADDR(randomx_program_loop_load_xop)
 	#define codeProgamStart ADDR(randomx_program_start)
+	#define codeReadDataset ADDR(randomx_program_read_dataset)
 	#define codeReadDatasetLightSshInit ADDR(randomx_program_read_dataset_sshash_init)
 	#define codeReadDatasetLightSshFin ADDR(randomx_program_read_dataset_sshash_fin)
 	#define codeDatasetInit ADDR(randomx_dataset_init)
@@ -134,10 +133,10 @@ namespace randomx {
 	#define codeShhEnd ADDR(randomx_sshash_end)
 	#define codeShhInit ADDR(randomx_sshash_init)

-	#define prefetchScratchpadSize (codePrefetchScratchpadEnd - codePrefetchScratchpad)
 	#define prologueSize (codeLoopBegin - codePrologue)
 	#define loopLoadSize (codeLoopLoadXOP - codeLoopLoad)
 	#define loopLoadXOPSize (codeProgamStart - codeLoopLoadXOP)
+	#define readDatasetSize (codeReadDatasetLightSshInit - codeReadDataset)
 	#define readDatasetLightInitSize (codeReadDatasetLightSshFin - codeReadDatasetLightSshInit)
 	#define readDatasetLightFinSize (codeLoopStore - codeReadDatasetLightSshFin)
 	#define loopStoreSize (codeLoopEnd - codeLoopStore)
@@ -321,26 +320,13 @@ namespace randomx {
 		vm_flags = flags;

 		generateProgramPrologue(prog, pcfg);
-
-		uint8_t* p;
-		uint32_t n;
-		if (flags & RANDOMX_FLAG_AMD) {
-			p = RandomX_CurrentConfig.codeReadDatasetRyzenTweaked;
-			n = RandomX_CurrentConfig.codeReadDatasetRyzenTweakedSize;
-		}
-		else {
-			p = RandomX_CurrentConfig.codeReadDatasetTweaked;
-			n = RandomX_CurrentConfig.codeReadDatasetTweakedSize;
-		}
-		memcpy(code + codePos, p, n);
-		codePos += n;
-
+		emit(codeReadDataset, readDatasetSize, code, codePos);
 		generateProgramEpilogue(prog, pcfg);
 	}

 	void JitCompilerX86::generateProgramLight(Program& prog, ProgramConfiguration& pcfg, uint32_t datasetOffset) {
 		generateProgramPrologue(prog, pcfg);
-		emit(RandomX_CurrentConfig.codeReadDatasetLightSshInitTweaked, readDatasetLightInitSize, code, codePos);
+		emit(codeReadDatasetLightSshInit, readDatasetLightInitSize, code, codePos);
 		*(uint32_t*)(code + codePos) = 0xc381;
 		codePos += 2;
 		emit32(datasetOffset / CacheLineSize, code, codePos);
@@ -428,7 +414,10 @@ namespace randomx {
        xmrig::RxFix::setMainLoopBounds(mainLoopBounds);
 #		endif

-		memcpy(code + prologueSize - 48, &pcfg.eMask, sizeof(pcfg.eMask));
+		imul_rcp_storage = code + (ADDR(randomx_program_imul_rcp_store) - codePrologue) + 2;
+		imul_rcp_storage_used = 0;
+
+		memcpy(imul_rcp_storage - 34, &pcfg.eMask, sizeof(pcfg.eMask));
 		codePos = codePosFirst;
 		prevCFROUND = 0;

@@ -464,7 +453,7 @@ namespace randomx {
 	void JitCompilerX86::generateProgramEpilogue(Program& prog, ProgramConfiguration& pcfg) {
 		*(uint64_t*)(code + codePos) = 0xc03349c08b49ull + (static_cast<uint64_t>(pcfg.readReg0) << 16) + (static_cast<uint64_t>(pcfg.readReg1) << 40);
 		codePos += 6;
-		emit(RandomX_CurrentConfig.codePrefetchScratchpadTweaked, prefetchScratchpadSize, code, codePos);
+		emit(RandomX_CurrentConfig.codePrefetchScratchpadTweaked, RandomX_CurrentConfig.codePrefetchScratchpadTweakedSize, code, codePos);
 		memcpy(code + codePos, codeLoopStore, loopStoreSize);
 		codePos += loopStoreSize;

@@ -1012,13 +1001,24 @@ namespace randomx {
 		
 		uint64_t divisor = instr.getImm32();
 		if (!isZeroOrPowerOf2(divisor)) {
-			*(uint32_t*)(p + pos) = 0xb848;
-			pos += 2;
-
-			emit64(randomx_reciprocal_fast(divisor), p, pos);
-
 			const uint32_t dst = instr.dst % RegistersCount;
-			emit32(0xc0af0f4c + (dst << 27), p, pos);
+
+			const uint64_t reciprocal = randomx_reciprocal_fast(divisor);
+			if (imul_rcp_storage_used < 16) {
+				*(uint64_t*)(imul_rcp_storage) = reciprocal;
+				*(uint64_t*)(p + pos) = 0x2444AF0F4Cull + (dst << 27) + (static_cast<uint64_t>(248 - imul_rcp_storage_used * 8) << 40);
+				++imul_rcp_storage_used;
+				imul_rcp_storage += 11;
+				pos += 6;
+			}
+			else {
+				*(uint32_t*)(p + pos) = 0xb848;
+				pos += 2;
+
+				emit64(reciprocal, p, pos);
+
+				emit32(0xc0af0f4c + (dst << 27), p, pos);
+			}

 			registerUsage[dst] = pos;
 		}
--- a/src/crypto/randomx/jit_compiler_x86.hpp
+++ b/src/crypto/randomx/jit_compiler_x86.hpp
@@ -104,6 +104,9 @@ namespace randomx {
 		uint8_t* allocatedCode = nullptr;
 		size_t allocatedSize = 0;

+		uint8_t* imul_rcp_storage = nullptr;
+		uint32_t imul_rcp_storage_used = 0;
+
 		void generateProgramPrologue(Program&, ProgramConfiguration&);
 		void generateProgramEpilogue(Program&, ProgramConfiguration&);
 		template<bool rax>
--- a/src/crypto/randomx/jit_compiler_x86_static.S
+++ b/src/crypto/randomx/jit_compiler_x86_static.S
@@ -38,15 +38,16 @@
 #endif

 .global DECL(randomx_prefetch_scratchpad)
+.global DECL(randomx_prefetch_scratchpad_bmi2)
 .global DECL(randomx_prefetch_scratchpad_end)
 .global DECL(randomx_program_prologue)
 .global DECL(randomx_program_prologue_first_load)
+.global DECL(randomx_program_imul_rcp_store)
 .global DECL(randomx_program_loop_begin)
 .global DECL(randomx_program_loop_load)
 .global DECL(randomx_program_loop_load_xop)
 .global DECL(randomx_program_start)
 .global DECL(randomx_program_read_dataset)
-.global DECL(randomx_program_read_dataset_ryzen)
 .global DECL(randomx_program_read_dataset_sshash_init)
 .global DECL(randomx_program_read_dataset_sshash_fin)
 .global DECL(randomx_program_loop_store)
@@ -79,6 +80,13 @@ DECL(randomx_prefetch_scratchpad):
 	and edx, RANDOMX_SCRATCHPAD_MASK
 	prefetcht0 [rsi+rdx]

+DECL(randomx_prefetch_scratchpad_bmi2):
+	rorx rdx, rax, 32
+	and eax, RANDOMX_SCRATCHPAD_MASK
+	prefetcht0 [rsi+rax]
+	and edx, RANDOMX_SCRATCHPAD_MASK
+	prefetcht0 [rsi+rdx]
+
 DECL(randomx_prefetch_scratchpad_end):

 .balign 64
@@ -106,11 +114,15 @@ DECL(randomx_program_prologue_first_load):
 	nop
 	nop
 	nop
-	jmp DECL(randomx_program_loop_begin)
+	jmp DECL(randomx_program_imul_rcp_store)

 .balign 64
 	#include "asm/program_xmm_constants.inc"

+DECL(randomx_program_imul_rcp_store):
+	#include "asm/program_imul_rcp_store.inc"
+	jmp DECL(randomx_program_loop_begin)
+
 .balign 64
 DECL(randomx_program_loop_begin):
 	nop
@@ -127,9 +139,6 @@ DECL(randomx_program_start):
 DECL(randomx_program_read_dataset):
 	#include "asm/program_read_dataset.inc"

-DECL(randomx_program_read_dataset_ryzen):
-	#include "asm/program_read_dataset_ryzen.inc"
-
 DECL(randomx_program_read_dataset_sshash_init):
 	#include "asm/program_read_dataset_sshash_init.inc"

--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
XMRig	230ff87634	v6.14.1	2021-08-15 00:42:47 +07:00
XMRig	19adf2630a	Merge branch 'dev'	2021-08-15 00:42:12 +07:00
xmrig	3de4b16117	Update CHANGELOG.md	2021-08-15 00:37:23 +07:00
XMRig	602e3a7587	Fix algorithms order.	2021-08-14 05:48:37 +07:00
XMRig	4f6ffb67c1	Cleanup.	2021-08-14 04:58:01 +07:00
xmrig	a0194ddd18	Merge pull request #2537 from SChernykh/dev Fixed Termux build	2021-08-13 21:14:35 +07:00
SChernykh	30f7e876a2	Update CnHash.cpp	2021-08-13 16:03:15 +02:00
SChernykh	5958490c23	Fixed Termux build	2021-08-13 12:02:03 +02:00
XMRig	f92ad4423d	Fix Job::getNumTransactions.	2021-08-12 22:30:47 +07:00
XMRig	e0749a82c2	Fix cn-pico name.	2021-08-12 17:52:52 +07:00
xmrig	440aa003af	Merge pull request #2532 from xmrig/feature-stable-algo-id Refactoring: Stable (persistent) algorithms IDs.	2021-08-12 02:03:39 +07:00
XMRig	9580f5395f	Removed shortName.	2021-08-11 22:26:34 +07:00
XMRig	e9ae4deb91	Removed duplicate strings.	2021-08-11 22:07:43 +07:00
XMRig	aee0762424	Fix typo.	2021-08-11 16:27:36 +07:00
XMRig	e6332eff2b	Implemented stable algorithm ids.	2021-08-11 03:46:34 +07:00
XMRig	d0a632f557	Optimize CnHash storage.	2021-08-10 14:54:35 +07:00
XMRig	f4cdc527b0	#2527 Fix narrowing conversion.	2021-08-10 01:40:36 +07:00
XMRig	661dc515ab	namespace cleanup.	2021-08-09 23:51:07 +07:00
XMRig	6d9bafe068	v6.14.1-dev	2021-08-09 17:20:15 +07:00
XMRig	202c8aaee8	Merge branch 'master' into dev	2021-08-09 17:19:48 +07:00
XMRig	410084384e	v6.14.0	2021-08-09 16:09:15 +07:00
XMRig	43e98c509a	Merge branch 'dev'	2021-08-09 16:08:20 +07:00
XMRig	08d79ddcdc	v6.14.0-dev	2021-08-08 19:36:54 +07:00
xmrig	0fdf063760	Merge pull request #2512 from SChernykh/dev Show the number of transactions in pool job	2021-08-08 00:52:06 +07:00
SChernykh	929205536c	Show the number of transactions in pool job Useful to check if pool/proxy is working properly and can also be used to compare different pools.	2021-08-07 19:38:31 +02:00
XMRig	d24581c963	#2492 Add missing --huge-pages-jit command line option.	2021-07-24 12:27:48 +07:00
xmrig	2eb2e90631	Merge pull request #2484 from SChernykh/zmq ZeroMQ support for solo mining	2021-07-17 17:14:42 +07:00
SChernykh	0842e6b9d2	ZeroMQ support for solo mining Gets new blocks from daemon immediately without polling, saving ~0.5 seconds on average when daemon gets new block from the network. Also saves some CPU cycles because it doesn't need to poll daemon every second. Testing: add "daemon-zmq-port": 28083 to xmrig's pool config in config.json and run ./monerod --testnet --zmq-pub tcp://127.0.0.1:28083	2021-07-15 11:13:14 +02:00
XMRig	93805cd167	#2476 Fixed crash in DMI memory reader.	2021-07-06 23:07:31 +07:00
xmrig	755fe28bc3	Merge pull request #2472 from SChernykh/dev Updates from xmrig-proxy	2021-07-05 19:13:14 +07:00
SChernykh	59d780169f	Merge branch 'dev' of https://github.com/SChernykh/xmrig into dev	2021-07-05 13:57:16 +02:00
SChernykh	a30ede04f3	Updates from xmrig-proxy	2021-07-05 13:56:37 +02:00
XMRig	3f2dfa4279	Sync with proxy.	2021-07-05 02:31:29 +07:00
XMRig	7177b42903	v6.13.2-dev	2021-07-03 16:00:30 +07:00
XMRig	21638c2f58	Merge branch 'master' into dev	2021-07-03 16:00:05 +07:00
XMRig	02b2b87bb6	v6.13.1	2021-07-03 15:29:49 +07:00
XMRig	c8a9dba8fd	Merge branch 'dev'	2021-07-03 15:29:14 +07:00
xmrig	9a77d39a3f	Update CHANGELOG.md	2021-07-03 15:16:47 +07:00
xmrig	28a1d0fe1e	Merge pull request #2468 from SChernykh/dev Fix: don't send miner signature during regular mining	2021-07-02 00:37:04 +07:00
XMRig	0243789c04	v6.13.1-dev	2021-07-02 00:36:32 +07:00
XMRig	45dd58f808	Merge branch 'master' into dev	2021-07-02 00:35:52 +07:00
SChernykh	1b4abe1e98	Fix: don't send miner signature during regular mining	2021-07-01 19:31:55 +02:00
XMRig	9f778742a6	v6.13.0	2021-07-01 20:03:52 +07:00
XMRig	015f8aeed4	Merge branch 'dev'	2021-07-01 20:02:38 +07:00
xmrig	9e6311a7e0	Update CHANGELOG.md	2021-07-01 13:54:09 +07:00
XMRig	0af9d2e75b	v6.13.0-dev	2021-06-28 19:02:48 +07:00
xmrig	6e2a84a46c	Merge pull request #2445 from SChernykh/miner_signature Support for solo mining with miner signatures (Wownero)	2021-06-28 18:11:13 +07:00
SChernykh	6bb8913066	Correct handling of block submit responses for Dero	2021-06-24 18:06:07 +02:00
SChernykh	cf104ebdc5	Update signing algorithm	2021-06-21 23:49:13 +02:00
XMRig	ecba750442	Add token support for online benchmark.	2021-06-20 09:28:39 +07:00
SChernykh	3967badc55	Added profiling	2021-06-19 16:19:16 +02:00
SChernykh	3f3f9b0661	Fixed GCC warnings	2021-06-19 14:54:03 +02:00
SChernykh	e3fc78a66c	Fix Wownero hardfork version	2021-06-18 13:52:24 +02:00
SChernykh	e6d833c227	Proxy miner signature support	2021-06-17 22:48:08 +02:00
SChernykh	ebe299902c	Proxy miner signature support (WIP)	2021-06-17 16:58:18 +02:00
SChernykh	bc63b63a2a	More sanity checks	2021-06-17 13:18:34 +02:00
SChernykh	e739e7d704	More error handling in DaemonClient::parseJob	2021-06-17 10:39:22 +02:00
SChernykh	1bae083587	Fixed CalculateMerkleTreeHash	2021-06-17 10:26:17 +02:00
SChernykh	88959bd703	BlockTemplate: miner tx and root hash updating	2021-06-16 23:44:05 +02:00
SChernykh	93e689d601	Fix buffer size in generateMinerSignature	2021-06-16 18:20:11 +02:00
SChernykh	a136790bee	Added support for solo mining with miner signatures (Wownero)	2021-06-16 18:07:36 +02:00
SChernykh	29f2dd4b9e	Cleanup	2021-06-16 11:47:17 +02:00
SChernykh	3003c067d3	Fixed random32_unbiased	2021-06-16 00:19:49 +02:00
SChernykh	89bc6418b1	Secret key derivation	2021-06-16 00:10:34 +02:00
SChernykh	8458b4ee39	Added signature functions	2021-06-15 15:51:29 +02:00
SChernykh	7bfb801ce2	Cryptonote tools WIP	2021-06-15 00:28:32 +02:00
xmrig	4567499905	Merge pull request #2433 from candrews/patch-2 Fix shellcheck warnings in randomx_boost.sh	2021-06-09 23:41:58 +07:00
Craig Andrews	9b63955b09	Fix shellcheck warnings in randomx_boost.sh Checked using www.shellcheck.net Specific issues addessed: * https://github.com/koalaman/shellcheck/wiki/SC2002 * Use POSIX instead of bash for wider compatibility * Fail on error	2021-06-08 21:56:02 -04:00
XMRig	0414511de0	v6.12.3-dev	2021-05-31 13:51:41 +07:00
XMRig	b61dad128c	Merge branch 'master' into dev	2021-05-31 13:49:35 +07:00
XMRig	80ae339343	v6.12.2	2021-05-31 12:58:30 +07:00
XMRig	4d87555398	Merge branch 'dev'	2021-05-31 12:57:55 +07:00
xmrig	bef82c5de6	Update CHANGELOG.md	2021-05-30 21:28:28 +07:00
xmrig	b069ad5dd1	Merge pull request #2358 from zzjzxq33/patch-1 Update openssl version to 1.1.1k	2021-05-30 17:53:53 +07:00
xmrig	f6a0646271	Merge pull request #2401 from SChernykh/dev RandomX: fix broken light mode mining	2021-05-22 18:54:29 +07:00
SChernykh	b5f1a1feae	RandomX: fix broken light mode mining It broke after #2395	2021-05-22 13:49:22 +02:00
XMRig	1ce059da1c	Add "argon2/ninja" algorithm alias.	2021-05-22 15:10:50 +07:00
xmrig	2929451ee1	Merge pull request #2398 from SChernykh/dev RandomX ARMv8: optimized dataset read	2021-05-21 09:58:54 +07:00
SChernykh	94fecb5e92	RandomX ARMv8: optimized dataset read Break dependency from readReg2 and readReg3. It should run faster on superscalar and out-of-order CPUs i.e. Apple M1.	2021-05-20 21:24:28 +02:00
xmrig	3bfa5ea038	Merge pull request #2395 from SChernykh/dev RandomX: rewrote dataset read code	2021-05-20 18:58:48 +07:00
SChernykh	ff82ca57f2	RandomX: rewrote dataset read code Unified code for AMD and Intel 1% faster on Intel 0.15% faster on AMD Ryzen	2021-05-20 12:45:42 +02:00
xmrig	7f7b1fb073	Merge pull request #2393 from SChernykh/dev RandomX: added BMI2 version for scratchpad prefetch	2021-05-19 22:54:58 +07:00
SChernykh	d443dd86f1	RandomX: added BMI2 version for scratchpad prefetch Saves 1 instruction and 1 byte in the main loop.	2021-05-19 17:52:16 +02:00
xmrig	3ac8f6b23a	Merge pull request #2386 from SChernykh/dev Enabled IMUL_RCP optimization for light mode mining	2021-05-17 16:36:23 +07:00
SChernykh	9b1f020a8b	Enabled IMUL_RCP optimization for light mode mining Better fix for #2377	2021-05-17 11:26:40 +02:00
XMRig	8bf88a4e74	Merge branch 'Spudz76-dev-fixCLKawPowPlatformHandling' into dev	2021-05-16 10:10:33 +07:00
XMRig	08a2c143f5	Regenerate OpenCL headers.	2021-05-16 10:09:29 +07:00
Tony Butler	4eb9a1aad5	Fix CL code for KawPow where it assumes everything is AMD	2021-05-15 20:34:57 -06:00
xmrig	c8c40586a1	Merge pull request #2378 from SChernykh/dev Fixed broken light mode mining on x86	2021-05-16 07:03:57 +07:00
SChernykh	29cb416107	Fixed broken light mode mining on x86	2021-05-15 21:41:39 +02:00
xmrig	465169ff12	Merge pull request #2375 from Spudz76/dev-fixMacOSCudaLoader Fixup MacOS CUDA backend default loader name	2021-05-14 18:48:09 +07:00
Tony Butler	df2bcd8192	Fixup MacOS CUDA backend default loader name	2021-05-14 05:28:31 -06:00
zzjzxq33	d89bb56964	Update openssl version to 1.1.1k	2021-05-09 11:11:46 +08:00
XMRig	87a0864e3b	...and --cpu-affinity.	2021-05-08 04:36:09 +07:00
XMRig	ecf5579f36	#2351 Fixed help output for --cpu-priority option.	2021-05-08 04:34:22 +07:00
xmrig	d5523d819f	Merge pull request #2341 from SChernykh/dev Update sse2neon.h	2021-05-03 23:17:12 +07:00
SChernykh	dbda2e9ccd	Update sse2neon.h	2021-05-03 18:08:59 +02:00
xmrig	8babd7bc0a	Merge pull request #2340 from SChernykh/dev Fix AES detection on FreeBSD on ARM	2021-05-03 19:06:49 +07:00
SChernykh	27ced139a6	Fix AES detection on FreeBSD on ARM	2021-05-03 09:57:43 +02:00
xmrig	b46849e813	Merge pull request #2322 from SChernykh/dev Update randomx_boost.sh	2021-04-28 19:12:37 +07:00
SChernykh	a96a6108ff	Update randomx_boost.sh - Support builtin MSR, see #2283 - Added detection of AMD EPYC CPUs	2021-04-28 14:10:30 +02:00
xmrig	c50c78b700	Merge pull request #2312 from SChernykh/dev Add missing allow_writes=on to randomx_boost.sh	2021-04-25 20:46:07 +07:00
SChernykh	cd7ab2c79f	Add missing allow_writes=on to randomx_boost.sh	2021-04-25 15:31:30 +02:00
XMRig	695fbc013b	#2280 Disable GPU backends in benchmark mode.	2021-04-25 15:28:45 +07:00
XMRig	a403c53543	Merge branch 'jsonboss-patch-1' into dev	2021-04-24 23:22:56 +07:00
XMRig	e26fbc96e9	Removed unnecessary system call.	2021-04-24 23:22:10 +07:00
XMRig	259c165e60	Merge branch 'patch-1' of https://github.com/jsonboss/xmrig into jsonboss-patch-1	2021-04-24 22:14:59 +07:00
XMRig	7897bf02dc	v6.12.2-dev	2021-04-24 01:53:07 +07:00
XMRig	05f62c5ccc	Merge branch 'master' into dev	2021-04-24 01:52:37 +07:00
XMRig	d82e100e30	v6.12.1	2021-04-23 19:43:12 +07:00
XMRig	5f869a414c	Merge branch 'dev'	2021-04-23 19:42:29 +07:00
xmrig	7fd6be7d83	Update CHANGELOG.md	2021-04-23 18:54:42 +07:00
xmrig	ae6c536e98	Merge pull request #2296 from SChernykh/dev Fixed Zen3 asm for cn/upx2	2021-04-21 19:52:52 +07:00
XMRig	c66c593123	v6.12.1-dev	2021-04-21 19:51:03 +07:00
XMRig	b3788b2ba3	Merge branch 'master' into dev	2021-04-21 19:49:54 +07:00
SChernykh	b7adb34c37	Fixed Zen3 asm for cn/upx2 - Invalid rounding mode was used which caused rejected shares sometimes - Also optimized CN implode/explode functions a bit.	2021-04-21 13:22:25 +02:00
XMRig	ace8409a56	v6.12.0	2021-04-20 20:55:58 +07:00
XMRig	e2c757d9dd	Merge branch 'dev'	2021-04-20 20:55:35 +07:00
xmrig	da35de993f	Update CHANGELOG.md	2021-04-19 23:20:10 +07:00
xmrig	854b7618ef	Merge pull request #2289 from SChernykh/dev RandomX: optimized IMUL_RCP instruction	2021-04-19 22:54:02 +07:00
SChernykh	3477f9fbc1	RandomX: optimized IMUL_RCP instruction +0.4% on AMD Zen2 +0.3% on AMD Zen3 +0.1% on Intel SandyBridge +0.3% on rx/wow on Intel SandyBridge	2021-04-19 17:43:58 +02:00
xmrig	5799744f2f	Update CHANGELOG.md	2021-04-19 20:56:45 +07:00
xmrig	61d165a314	Merge pull request #2287 from SChernykh/dev Fixed rounding mode after running cn/upx	2021-04-19 18:06:16 +07:00
SChernykh	69186f2470	Optimized cn/upx for Zen3 0.9% faster	2021-04-19 12:29:44 +02:00
SChernykh	730d4a6cee	Fix dvision by zero check in percent()	2021-04-19 12:05:07 +02:00
SChernykh	54bc91d5e3	Fixed rounding mode after running cn/upx	2021-04-19 12:02:57 +02:00
jsonboss	2012ffb231	support builtin msr	2021-04-19 10:38:27 +08:00
XMRig	5f9e0ebc6c	v6.12.0-dev	2021-04-18 20:12:03 +07:00
xmrig	f314c69a70	Merge pull request #2278 from SChernykh/dev Optimized cn/upx2	2021-04-17 23:41:26 +07:00
SChernykh	16fe462cad	Optimized cn/upx2 for Ryzen CPUs	2021-04-17 18:18:26 +02:00
xmrig	e6e2987ddf	Merge pull request #2276 from SChernykh/dev Added support for Uplexa (cn/upx2 algorithm)	2021-04-17 20:10:54 +07:00
SChernykh	ed456b02cf	Update CnHash.cpp	2021-04-17 15:06:31 +02:00
SChernykh	da7f5826cb	Added support for Uplexa (cn/upx2 algorithm)	2021-04-17 14:53:42 +02:00
XMRig	6cb398bb42	Merge branch 'dev' of github.com:xmrig/xmrig into dev	2021-04-14 23:44:42 +07:00
XMRig	748be760e8	Added support for --user command line option for the benchmark.	2021-04-14 23:43:31 +07:00
xmrig	4a4118bb8e	Merge pull request #2261 from SChernykh/dev Show total hashrate if compiled without OpenCL	2021-04-13 19:06:42 +07:00
SChernykh	77f1bf0861	Show total hashrate if compiled without OpenCL	2021-04-13 14:02:29 +02:00
XMRig	6bb29b3e7b	v6.11.3-dev	2021-04-11 21:13:39 +07:00
XMRig	f720772338	Merge branch 'master' into dev	2021-04-11 21:13:08 +07:00