Prepare XMRig-HAC fork for public release

- Add DragonX coin and rx/hush algorithm support
- Update branding to XMRig-HAC / dragonx.is
- Update repository URLs to git.hush.is
- Replace example wallet addresses with placeholders
- Update .gitignore for build directories
- Document fork changes in README and CHANGELOG

.github/ISSUE_TEMPLATE/bug_report.md

@@ -17,9 +17,9 @@ Steps to reproduce the behavior.
 A clear and concise description of what you expected to happen.
 
 **Required data**
- - XMRig version
+ - XMRig-HAC version
-    - Either the exact link to a release you downloaded from https://github.com/xmrig/xmrig/releases
+    - Either the exact link to a release you downloaded from https://git.hush.is/dragonx/xmrig-hac/releases
-    - Or the exact command lines that you used to build XMRig
+    - Or the exact command lines that you used to build XMRig-HAC
  - Miner log as text or screenshot
  - Config file or command line (without wallets)
  - OS: [e.g. Windows]

.gitignore

@@ -1,4 +1,6 @@
 /build
+/build-windows
+/deps-windows
 scripts/build
 scripts/deps
 /CMakeLists.txt.user

CHANGELOG.md

@@ -1,3 +1,11 @@
+# XMRig-HAC Fork
+- Added **DragonX** coin support
+- Added **rx/hush** algorithm (RandomX-HUSH variant for HUSH/DragonX)
+- Customized RandomX configuration for HUSH/DragonX mining
+- Based on XMRig v6.25.0
+
+---
+
 # v6.25.0
 - [#3680](https://github.com/xmrig/xmrig/pull/3680) Added `armv8l` to the list of 32-bit ARM targets.
 - [#3708](https://github.com/xmrig/xmrig/pull/3708) Minor Aarch64 JIT changes (better instruction selection, don't emit instructions that add 0, etc).

CMakeLists.txt

@@ -162,7 +162,7 @@ if (XMRIG_OS_WIN)
         src/crypto/common/VirtualMemory_win.cpp
         )
 
-    set(EXTRA_LIBS ws2_32 psapi iphlpapi userenv dbghelp)
+    set(EXTRA_LIBS ws2_32 psapi iphlpapi userenv dbghelp bcrypt)
 elseif (XMRIG_OS_APPLE)
     list(APPEND SOURCES_OS
         src/App_unix.cpp

README.md

@@ -1,13 +1,17 @@
-# XMRig
+# XMRig-HAC
 
-[![Github All Releases](https://img.shields.io/github/downloads/xmrig/xmrig/total.svg)](https://github.com/xmrig/xmrig/releases)
+XMRig-HAC is a fork of [XMRig](https://github.com/xmrig/xmrig) with added support for **DragonX** coin mining using the **rx/hush** (RandomX-HUSH) algorithm.
-[![GitHub release](https://img.shields.io/github/release/xmrig/xmrig/all.svg)](https://github.com/xmrig/xmrig/releases)
-[![GitHub Release Date](https://img.shields.io/github/release-date/xmrig/xmrig.svg)](https://github.com/xmrig/xmrig/releases)
-[![GitHub license](https://img.shields.io/github/license/xmrig/xmrig.svg)](https://github.com/xmrig/xmrig/blob/master/LICENSE)
-[![GitHub stars](https://img.shields.io/github/stars/xmrig/xmrig.svg)](https://github.com/xmrig/xmrig/stargazers)
-[![GitHub forks](https://img.shields.io/github/forks/xmrig/xmrig.svg)](https://github.com/xmrig/xmrig/network)
 
-XMRig is a high performance, open source, cross platform RandomX, KawPow, CryptoNight and [GhostRider](https://github.com/xmrig/xmrig/tree/master/src/crypto/ghostrider#readme) unified CPU/GPU miner and [RandomX benchmark](https://xmrig.com/benchmark). Official binaries are available for Windows, Linux, macOS and FreeBSD.
+**Repository:** [git.hush.is/dragonx/xmrig-hac](https://git.hush.is/dragonx/xmrig-hac)
+
+## Fork Changes
+
+This fork adds:
+- **DragonX** coin support
+- **rx/hush** algorithm (RandomX-HUSH variant)
+- Customized RandomX configuration for HUSH/DragonX
+
+Based on XMRig v6.25.0.
 
 ## Mining backends
 - **CPU** (x86/x64/ARMv7/ARMv8/RISC-V)
@@ -15,7 +19,7 @@ XMRig is a high performance, open source, cross platform RandomX, KawPow, Crypto
 - **CUDA** for NVIDIA GPUs via external [CUDA plugin](https://github.com/xmrig/xmrig-cuda).
 
 ## Download
-* **[Binary releases](https://github.com/xmrig/xmrig/releases)**
+* **[Binary releases](https://git.hush.is/dragonx/xmrig-hac/releases)**
 * **[Build from source](https://xmrig.com/docs/miner/build)**
 
 ## Usage
@@ -24,15 +28,8 @@ The preferred way to configure the miner is the [JSON config file](https://xmrig
 * **[Wizard](https://xmrig.com/wizard)** helps you create initial configuration for the miner.
 * **[Workers](http://workers.xmrig.info)** helps manage your miners via HTTP API.
 
-## Donations
+## Credits
-* Default donation 1% (1 minute in 100 minutes) can be increased via option `donate-level` or disabled in source code.
-* XMR: `48edfHu7V9Z84YzzMa6fUueoELZ9ZRXq9VetWzYGzKt52XU5xvqgzYnDK9URnRoJMk1j8nLwEVsaSWJ4fhdUyZijBGUicoD`
 
-## Developers
+This fork is based on [XMRig](https://github.com/xmrig/xmrig) by:
 * **[xmrig](https://github.com/xmrig)**
 * **[sech1](https://github.com/SChernykh)**
-
-## Contacts
-* support@xmrig.com
-* [reddit](https://www.reddit.com/user/XMRig/)
-* [twitter](https://twitter.com/xmrig_dev)

cmake/OpenSSL.cmake

@@ -14,8 +14,20 @@ if (WITH_TLS)
         set(OPENSSL_USE_STATIC_LIBS TRUE)
     endif()
 
+    # For cross-compilation, allow manual specification of OpenSSL paths
+    if (CMAKE_CROSSCOMPILING AND XMRIG_DEPS)
+        set(OPENSSL_INCLUDE_DIR "${XMRIG_DEPS}/include" CACHE PATH "OpenSSL include dir")
+        set(OPENSSL_CRYPTO_LIBRARY "${XMRIG_DEPS}/lib/libcrypto.a" CACHE FILEPATH "OpenSSL crypto lib")
+        set(OPENSSL_SSL_LIBRARY "${XMRIG_DEPS}/lib/libssl.a" CACHE FILEPATH "OpenSSL ssl lib")
+        if (EXISTS "${OPENSSL_CRYPTO_LIBRARY}" AND EXISTS "${OPENSSL_SSL_LIBRARY}" AND EXISTS "${OPENSSL_INCLUDE_DIR}/openssl/ssl.h")
+            set(OPENSSL_FOUND TRUE)
+            set(OPENSSL_LIBRARIES ${OPENSSL_SSL_LIBRARY} ${OPENSSL_CRYPTO_LIBRARY})
+        endif()
+    endif()
 
-    find_package(OpenSSL)
+    if (NOT OPENSSL_FOUND)
+        find_package(OpenSSL)
+    endif()
 
     if (OPENSSL_FOUND)
         set(TLS_SOURCES

cmake/mingw-w64-toolchain.cmake

@@ -0,0 +1,19 @@
+# CMake Toolchain file for cross-compiling to Windows using MinGW-w64
+set(CMAKE_SYSTEM_NAME Windows)
+set(CMAKE_SYSTEM_PROCESSOR x86_64)
+
+# Specify the cross compiler
+set(CMAKE_C_COMPILER x86_64-w64-mingw32-gcc-posix)
+set(CMAKE_CXX_COMPILER x86_64-w64-mingw32-g++-posix)
+set(CMAKE_RC_COMPILER x86_64-w64-mingw32-windres)
+
+# Target environment on the build host system
+set(CMAKE_FIND_ROOT_PATH /usr/x86_64-w64-mingw32)
+
+# Adjust the default behaviour of the FIND_XXX() commands:
+# search headers and libraries in the target environment
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+
+# Search programs in the host environment
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)

doc/api/1/config.json

@@ -20,7 +20,7 @@
     "pools": [
         {
             "url": "pool.monero.hashvault.pro:3333",
-            "user": "48edfHu7V9Z84YzzMa6fUueoELZ9ZRXq9VetWzYGzKt52XU5xvqgzYnDK9URnRoJMk1j8nLwEVsaSWJ4fhdUyZijBGUicoD",
+            "user": "YOUR_WALLET_ADDRESS",
             "pass": "x",
             "keepalive": false,
             "nicehash": false,
@@ -28,7 +28,7 @@
         },
         {
             "url": "pool.supportxmr.com:3333",
-            "user": "48edfHu7V9Z84YzzMa6fUueoELZ9ZRXq9VetWzYGzKt52XU5xvqgzYnDK9URnRoJMk1j8nLwEVsaSWJ4fhdUyZijBGUicoD",
+            "user": "YOUR_WALLET_ADDRESS",
             "pass": "x",
             "keepalive": false,
             "nicehash": false,

package.json

@@ -11,13 +11,13 @@
   },
   "repository": {
     "type": "git",
-    "url": "git+https://github.com/xmrig/xmrig.git"
+    "url": "git+https://git.hush.is/dragonx/xmrig-hac.git"
   },
   "keywords": [],
   "author": "",
   "license": "GPLv3",
   "bugs": {
-    "url": "https://github.com/xmrig/xmrig/issues"
+    "url": "https://git.hush.is/dragonx/xmrig-hac/issues"
   },
-  "homepage": "https://github.com/xmrig/xmrig#readme"
+  "homepage": "https://git.hush.is/dragonx/xmrig-hac#readme"
 }

scripts/build_windows.sh

@@ -0,0 +1,112 @@
+#!/bin/bash
+# XMRig Windows Cross-Compilation Build Script
+# Builds xmrig for Windows using MinGW-w64 on Linux
+
+set -e
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+XMRIG_DIR="$(dirname "$SCRIPT_DIR")"
+BUILD_DIR="$XMRIG_DIR/build-windows"
+DEPS_DIR="$XMRIG_DIR/deps-windows"
+OPENSSL_VERSION="1.1.1w"
+
+echo "=== XMRig Windows Build ==="
+echo "Source: $XMRIG_DIR"
+echo "Build:  $BUILD_DIR"
+echo "Deps:   $DEPS_DIR"
+
+# Check for MinGW-w64
+if ! command -v x86_64-w64-mingw32-gcc-posix &> /dev/null; then
+    echo "Error: MinGW-w64 not found. Install with:"
+    echo "  sudo apt install mingw-w64"
+    exit 1
+fi
+
+# Create directories
+mkdir -p "$BUILD_DIR"
+mkdir -p "$DEPS_DIR/include"
+mkdir -p "$DEPS_DIR/lib"
+
+# Build OpenSSL if needed
+if [ ! -f "$DEPS_DIR/lib/libssl.a" ]; then
+    echo "=== Building OpenSSL $OPENSSL_VERSION ==="
+    cd "$DEPS_DIR"
+    
+    if [ ! -f "openssl-${OPENSSL_VERSION}.tar.gz" ]; then
+        wget "https://openssl.org/source/old/1.1.1/openssl-${OPENSSL_VERSION}.tar.gz"
+    fi
+    
+    if [ ! -d "openssl-${OPENSSL_VERSION}" ]; then
+        tar -xzf "openssl-${OPENSSL_VERSION}.tar.gz"
+    fi
+    
+    cd "openssl-${OPENSSL_VERSION}"
+    
+    # Configure for Windows cross-compilation
+    ./Configure mingw64 \
+        --cross-compile-prefix=x86_64-w64-mingw32- \
+        no-shared \
+        no-asm \
+        no-zlib \
+        no-comp \
+        --prefix="$DEPS_DIR"
+    
+    make -j$(nproc)
+    make install_sw
+    cd "$DEPS_DIR"
+fi
+
+# Build libuv if needed
+if [ ! -f "$DEPS_DIR/lib/libuv.a" ]; then
+    echo "=== Building libuv dependency ==="
+    cd "$DEPS_DIR"
+    
+    if [ ! -d "libuv-v1.51.0" ]; then
+        if [ ! -f "libuv.tar.gz" ]; then
+            curl -L -o libuv.tar.gz https://github.com/libuv/libuv/archive/refs/tags/v1.51.0.tar.gz
+        fi
+        tar -xzf libuv.tar.gz
+    fi
+    
+    cd libuv-v1.51.0
+    mkdir -p build && cd build
+    cmake .. \
+        -DCMAKE_TOOLCHAIN_FILE="$XMRIG_DIR/cmake/mingw-w64-toolchain.cmake" \
+        -DCMAKE_INSTALL_PREFIX="$DEPS_DIR" \
+        -DLIBUV_BUILD_SHARED=OFF \
+        -DBUILD_TESTING=OFF
+    make -j$(nproc)
+    make install
+fi
+
+cd "$BUILD_DIR"
+
+echo "=== Configuring XMRig ==="
+cmake "$XMRIG_DIR" \
+    -DCMAKE_TOOLCHAIN_FILE="$XMRIG_DIR/cmake/mingw-w64-toolchain.cmake" \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DBUILD_STATIC=ON \
+    -DWITH_TLS=ON \
+    -DWITH_HWLOC=OFF \
+    -DWITH_OPENCL=OFF \
+    -DWITH_CUDA=OFF \
+    -DXMRIG_DEPS="$DEPS_DIR" \
+    -DOPENSSL_ROOT_DIR:PATH="$DEPS_DIR" \
+    -DOPENSSL_INCLUDE_DIR:PATH="$DEPS_DIR/include" \
+    -DOPENSSL_CRYPTO_LIBRARY:FILEPATH="$DEPS_DIR/lib/libcrypto.a" \
+    -DOPENSSL_SSL_LIBRARY:FILEPATH="$DEPS_DIR/lib/libssl.a" \
+    -DOPENSSL_LIBRARIES="$DEPS_DIR/lib/libssl.a;$DEPS_DIR/lib/libcrypto.a" \
+    -DUV_INCLUDE_DIR="$DEPS_DIR/include" \
+    -DUV_LIBRARY="$DEPS_DIR/lib/libuv.a"
+
+echo "=== Building XMRig ==="
+make -j$(nproc)
+
+# Strip the executable
+x86_64-w64-mingw32-strip xmrig.exe 2>/dev/null || true
+
+echo ""
+echo "=== Build Complete ==="
+ls -la *.exe 2>/dev/null || echo "Executable not found"
+echo ""
+echo "Copy the .exe and WinRing0x64.sys to Windows to run"

scripts/pool_mine_example.cmd

@@ -16,5 +16,5 @@
 :: Smaller pools also often have smaller fees/payout limits.
 
 cd /d "%~dp0"
-xmrig.exe -o xmrpool.eu:3333 -u 48edfHu7V9Z84YzzMa6fUueoELZ9ZRXq9VetWzYGzKt52XU5xvqgzYnDK9URnRoJMk1j8nLwEVsaSWJ4fhdUyZijBGUicoD -p x
+xmrig.exe -o xmrpool.eu:3333 -u YOUR_WALLET_ADDRESS -p x
 pause

scripts/solo_mine_example.cmd

@@ -12,5 +12,5 @@
 :: But you will only get a payout when you find a block which can take more than a year for a single low-end PC.
 
 cd /d "%~dp0"
-xmrig.exe -o YOUR_NODE_IP:18081 -a rx/0 -u 48edfHu7V9Z84YzzMa6fUueoELZ9ZRXq9VetWzYGzKt52XU5xvqgzYnDK9URnRoJMk1j8nLwEVsaSWJ4fhdUyZijBGUicoD --daemon
+xmrig.exe -o YOUR_NODE_IP:18081 -a rx/0 -u YOUR_WALLET_ADDRESS --daemon
 pause

src/base/crypto/Algorithm.cpp

@@ -82,6 +82,7 @@ const char *Algorithm::kRX_ARQ          = "rx/arq";
 const char *Algorithm::kRX_GRAFT        = "rx/graft";
 const char *Algorithm::kRX_SFX          = "rx/sfx";
 const char *Algorithm::kRX_YADA         = "rx/yada";
+const char *Algorithm::kRX_HUSH         = "rx/hush";
 #endif
 
 #ifdef XMRIG_ALGO_ARGON2
@@ -148,6 +149,7 @@ static const std::map<uint32_t, const char *> kAlgorithmNames = {
     ALGO_NAME(RX_GRAFT),
     ALGO_NAME(RX_SFX),
     ALGO_NAME(RX_YADA),
+    ALGO_NAME(RX_HUSH),
 #   endif
 
 #   ifdef XMRIG_ALGO_ARGON2
@@ -263,6 +265,10 @@ static const std::map<const char *, Algorithm::Id, aliasCompare> kAlgorithmAlias
                                     ALGO_ALIAS(RX_SFX,          "randomsfx"),
     ALGO_ALIAS_AUTO(RX_YADA),       ALGO_ALIAS(RX_YADA,         "randomx/yada"),
                                     ALGO_ALIAS(RX_YADA,         "randomyada"),
+    ALGO_ALIAS_AUTO(RX_HUSH),       ALGO_ALIAS(RX_HUSH,         "randomx/hush"),
+                                    ALGO_ALIAS(RX_HUSH,         "randomhush"),
+                                    ALGO_ALIAS(RX_HUSH,         "rx/dragonx"),
+                                    ALGO_ALIAS(RX_HUSH,         "dragonx"),
 #   endif
 
 #   ifdef XMRIG_ALGO_ARGON2
@@ -350,7 +356,7 @@ std::vector<xmrig::Algorithm> xmrig::Algorithm::all(const std::function<bool(con
         CN_HEAVY_0, CN_HEAVY_TUBE, CN_HEAVY_XHV,
         CN_PICO_0, CN_PICO_TLO,
         CN_UPX2,
-        RX_0, RX_WOW, RX_ARQ, RX_GRAFT, RX_SFX, RX_YADA,
+        RX_0, RX_WOW, RX_ARQ, RX_GRAFT, RX_SFX, RX_YADA, RX_HUSH,
         AR2_CHUKWA, AR2_CHUKWA_V2, AR2_WRKZ,
         KAWPOW_RVN,
         GHOSTRIDER_RTM

src/base/crypto/Algorithm.h

@@ -78,6 +78,7 @@ public:
         RX_GRAFT        = 0x72151267,   // "rx/graft"         RandomGRAFT (Graft).
         RX_SFX          = 0x72151273,   // "rx/sfx"           RandomSFX (Safex Cash).
         RX_YADA         = 0x72151279,   // "rx/yada"          RandomYada (YadaCoin).
+        RX_HUSH         = 0x72151268,   // "rx/hush"          RandomX-HUSH (HUSH/DragonX).
         AR2_CHUKWA      = 0x61130000,   // "argon2/chukwa"    Argon2id (Chukwa).
         AR2_CHUKWA_V2   = 0x61140000,   // "argon2/chukwav2"  Argon2id (Chukwa v2).
         AR2_WRKZ        = 0x61120000,   // "argon2/wrkz"      Argon2id (WRKZ)
@@ -144,6 +145,7 @@ public:
     static const char *kRX_GRAFT;
     static const char *kRX_SFX;
     static const char *kRX_YADA;
+    static const char *kRX_HUSH;
 #   endif
 
 #   ifdef XMRIG_ALGO_ARGON2

src/base/crypto/Coin.cpp

@@ -55,7 +55,8 @@ static const CoinInfo coinInfo[] = {
     { Algorithm::RX_0,            "ZEPH",     "Zephyr",       120,    1000000000000,  BLUE_BG_BOLD(   WHITE_BOLD_S " zephyr  ") },
     { Algorithm::RX_0,            "Townforge","Townforge",    30,     100000000,      MAGENTA_BG_BOLD(WHITE_BOLD_S " townforge ") },
     { Algorithm::RX_YADA,         "YDA",      "YadaCoin",     120,    100000000,      BLUE_BG_BOLD(   WHITE_BOLD_S " yada    ") },
-    { Algorithm::RX_0,            "HUSH",     "Hush",         60,     100000000,      GREEN_BG_BOLD(  WHITE_BOLD_S " hush    ") },
+    { Algorithm::RX_HUSH,         "HUSH",     "Hush",         150,    100000000,      GREEN_BG_BOLD(  WHITE_BOLD_S " hush    ") },
+    { Algorithm::RX_HUSH,         "DRAGONX",  "DragonX",      36,     100000000,      CYAN_BG_BOLD(   WHITE_BOLD_S " dragonx ") },
 };
 
 

src/base/crypto/Coin.h

@@ -42,6 +42,7 @@ public:
         TOWNFORGE,
         YADA,
         HUSH,
+        DRAGONX,
         MAX
     };
 

src/base/net/stratum/HushClient.cpp

@@ -24,7 +24,34 @@
 
 #include <algorithm>
 #include <cstring>
-#include <openssl/sha.h>
+
+#ifdef XMRIG_FEATURE_TLS
+#   include <openssl/sha.h>
+#else
+// Standalone SHA-256 for non-TLS builds (Windows cross-compile)
+#   ifdef _WIN32
+#       include <windows.h>
+#       include <bcrypt.h>
+static void SHA256(const uint8_t* data, size_t len, uint8_t* out) {
+    BCRYPT_ALG_HANDLE hAlg = nullptr;
+    BCRYPT_HASH_HANDLE hHash = nullptr;
+    BCryptOpenAlgorithmProvider(&hAlg, BCRYPT_SHA256_ALGORITHM, nullptr, 0);
+    BCryptCreateHash(hAlg, &hHash, nullptr, 0, nullptr, 0, 0);
+    BCryptHashData(hHash, const_cast<PUCHAR>(data), static_cast<ULONG>(len), 0);
+    BCryptFinishHash(hHash, out, 32, 0);
+    BCryptDestroyHash(hHash);
+    BCryptCloseAlgorithmProvider(hAlg, 0);
+}
+#   else
+#       include "crypto/ghostrider/sph_sha2.h"
+static void SHA256(const uint8_t* data, size_t len, uint8_t* out) {
+    sph_sha256_context ctx;
+    sph_sha256_init(&ctx);
+    sph_sha256(&ctx, data, len);
+    sph_sha256_close(&ctx, out);
+}
+#   endif
+#endif
 
 namespace xmrig {
 
@@ -344,11 +371,25 @@ bool HushClient::parseBlockTemplate(const rapidjson::Value &result)
     const uint64_t keyHeight = getKeyHeight(m_height);
     if (keyHeight != m_keyHeight || m_keyBlockHash.isEmpty()) {
         if (keyHeight == 0) {
-            // Use genesis key - chain-specific initial seed
+            // Use chain-specific initial RandomX key.
-            // For HACs this is typically: hash(magic + symbol + rpcport)
+            // Daemon computes: sprintf("%08x%s%08x", ASSETCHAINS_MAGIC, SYMBOL, RPCPORT)
-            m_keyBlockHash = "0000000000000000000000000000000000000000000000000000000000000000";
+            // and passes the raw ASCII bytes to randomx_init_cache().
+            // We hex-encode those bytes (zero-padded to 32) for setSeedHash().
+            char initialKey[81];
+            const uint32_t magic = 2387029918u;  // DRAGONX ASSETCHAINS_MAGIC
+            const char* symbol = "DRAGONX";
+            const uint16_t rpcPort = 21769;
+            snprintf(initialKey, sizeof(initialKey), "%08x%s%08x", magic, symbol, (uint32_t)rpcPort);
+            const size_t keyLen = strlen(initialKey);
+            // Hex-encode only the actual key bytes (no zero-padding).
+            // The daemon passes strlen(initialKey) bytes to randomx_init_cache(),
+            // so we must match that exact length.
+            char hexBuf[163]; // max 81 bytes * 2 + 1
+            for (size_t i = 0; i < keyLen; i++) snprintf(hexBuf + i*2, 3, "%02x", (uint8_t)initialKey[i]);
+            hexBuf[keyLen * 2] = '\0';
+            m_keyBlockHash = hexBuf;
             m_keyHeight = 0;
-            LOG_INFO("%s " CYAN("using genesis RandomX key for height %u"), tag(), m_height);
+            LOG_INFO("%s " CYAN("using initial RandomX key \"%s\" for height %u"), tag(), initialKey, m_height);
         } else {
             LOG_INFO("%s " CYAN("fetching RandomX key block hash at height %u"), tag(), keyHeight);
             getBlockHash(keyHeight);
@@ -504,9 +545,19 @@ bool HushClient::parseResponse(int64_t id, const rapidjson::Value &result, const
 
     case REQ_KEYHASH:
         if (result.IsString()) {
-            m_keyBlockHash = result.GetString();
+            // getblockhash returns display-order (big-endian) hex, but the daemon
+            // passes uint256 internal bytes (little-endian) to randomx_init_cache().
+            // Reverse the bytes so setSeedHash() produces the correct LE byte order.
+            const char* displayHash = result.GetString();
+            std::vector<uint8_t> hashBytes(32);
+            Cvt::fromHex(hashBytes.data(), 32, displayHash, 64);
+            std::reverse(hashBytes.begin(), hashBytes.end());
+            char reversedHex[65];
+            for (size_t i = 0; i < 32; i++) snprintf(reversedHex + i*2, 3, "%02x", hashBytes[i]);
+            reversedHex[64] = '\0';
+            m_keyBlockHash = reversedHex;
             m_keyHeight = m_pendingKeyHeight;
-            LOG_INFO("%s " GREEN("RandomX key block %u: %.16s..."), 
+            LOG_INFO("%s " GREEN("RandomX key block %u: %.16s... (reversed to LE)"), 
                      tag(), m_keyHeight, m_keyBlockHash.data());
             // Now get the block template again with the key
             m_pendingRequest = REQ_NONE;
@@ -741,8 +792,8 @@ std::string HushClient::serializeBlockHex(uint32_t nonce, const uint8_t* solutio
 void HushClient::sha256d(const uint8_t* data, size_t len, uint8_t* out)
 {
     uint8_t hash1[32];
-    SHA256(data, len, hash1);
+    ::SHA256(data, len, hash1);
-    SHA256(hash1, 32, out);
+    ::SHA256(hash1, 32, out);
 }
 
 std::vector<uint8_t> HushClient::serializeHeader(uint32_t nonce, const uint8_t* solution) const

src/base/net/stratum/Job.cpp

@@ -94,7 +94,14 @@ bool xmrig::Job::setBlob(const char *blob)
 
 bool xmrig::Job::setSeedHash(const char *hash)
 {
-    if (!hash || (strlen(hash) != kMaxSeedSize * 2)) {
+    if (!hash) {
+        return false;
+    }
+
+    const size_t len = strlen(hash);
+    // Accept any even-length hex string up to kMaxSeedSize*2 chars.
+    // RX_HUSH genesis key is 23 bytes (46 hex chars), not always 32.
+    if (len == 0 || len > kMaxSeedSize * 2 || (len % 2) != 0) {
         return false;
     }
 
@@ -102,7 +109,7 @@ bool xmrig::Job::setSeedHash(const char *hash)
     m_rawSeedHash = hash;
 #   endif
 
-    m_seed = Cvt::fromHex(hash, kMaxSeedSize * 2);
+    m_seed = Cvt::fromHex(hash, len);
 
     return !m_seed.empty();
 }
@@ -169,6 +176,12 @@ size_t xmrig::Job::nonceOffset() const
         return 147;
     }
 
+    // HUSH/DragonX has 140-byte header with nonce at offset 108
+    // (version:4 + prevHash:32 + merkleRoot:32 + saplingRoot:32 + nTime:4 + nBits:4)
+    if (algorithm() == Algorithm::RX_HUSH) {
+        return 108;
+    }
+
     return 39;
 }
 

src/config.json

@@ -62,7 +62,7 @@
         {
             "algo": null,
             "coin": null,
-            "url": "donate.v2.xmrig.com:3333",
+            "url": "pool.dragonx.is",
             "user": "YOUR_WALLET_ADDRESS",
             "pass": "x",
             "rig-id": null,

src/crypto/randomx/configuration.h

@@ -40,8 +40,8 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 // Increase it if some configs use larger dataset
 #define RANDOMX_DATASET_MAX_SIZE  2181038080
 
-// Increase it if some configs use larger programs
+// Increase it if some configs use larger programs (HUSH uses 512)
-#define RANDOMX_PROGRAM_MAX_SIZE       280
+#define RANDOMX_PROGRAM_MAX_SIZE       512
 
 // Increase it if some configs use larger scratchpad
 #define RANDOMX_SCRATCHPAD_L3_MAX_SIZE      2097152

src/crypto/randomx/randomx.cpp

@@ -109,6 +109,15 @@ RandomX_ConfigurationYada::RandomX_ConfigurationYada()
 	ArgonIterations = 4;
 }
 
+RandomX_ConfigurationHush::RandomX_ConfigurationHush()
+{
+	ArgonSalt = "RandomXHUSH\x03";
+	ArgonIterations = 5;
+	ProgramSize = 512;
+	ProgramIterations = 4096;
+	ProgramCount = 16;
+}
+
 RandomX_ConfigurationBase::RandomX_ConfigurationBase()
 	: ArgonIterations(3)
 	, ArgonLanes(1)
@@ -369,6 +378,7 @@ RandomX_ConfigurationArqma RandomX_ArqmaConfig;
 RandomX_ConfigurationGraft RandomX_GraftConfig;
 RandomX_ConfigurationSafex RandomX_SafexConfig;
 RandomX_ConfigurationYada RandomX_YadaConfig;
+RandomX_ConfigurationHush RandomX_HushConfig;
 
 alignas(64) RandomX_ConfigurationBase RandomX_CurrentConfig;
 

src/crypto/randomx/randomx.h

@@ -148,6 +148,7 @@ struct RandomX_ConfigurationArqma : public RandomX_ConfigurationBase { RandomX_C
 struct RandomX_ConfigurationGraft : public RandomX_ConfigurationBase { RandomX_ConfigurationGraft(); };
 struct RandomX_ConfigurationSafex : public RandomX_ConfigurationBase { RandomX_ConfigurationSafex(); };
 struct RandomX_ConfigurationYada : public RandomX_ConfigurationBase { RandomX_ConfigurationYada(); };
+struct RandomX_ConfigurationHush : public RandomX_ConfigurationBase { RandomX_ConfigurationHush(); };
 
 extern RandomX_ConfigurationMonero RandomX_MoneroConfig;
 extern RandomX_ConfigurationWownero RandomX_WowneroConfig;
@@ -155,6 +156,7 @@ extern RandomX_ConfigurationArqma RandomX_ArqmaConfig;
 extern RandomX_ConfigurationGraft RandomX_GraftConfig;
 extern RandomX_ConfigurationSafex RandomX_SafexConfig;
 extern RandomX_ConfigurationYada RandomX_YadaConfig;
+extern RandomX_ConfigurationHush RandomX_HushConfig;
 
 extern RandomX_ConfigurationBase RandomX_CurrentConfig;
 

src/crypto/rx/RxAlgo.cpp

@@ -47,6 +47,9 @@ const RandomX_ConfigurationBase *xmrig::RxAlgo::base(Algorithm::Id algorithm)
     case Algorithm::RX_YADA:
         return &RandomX_YadaConfig;
 
+    case Algorithm::RX_HUSH:
+        return &RandomX_HushConfig;
+
     default:
         break;
     }

src/version.h

@@ -8,13 +8,13 @@
 #ifndef XMRIG_VERSION_H
 #define XMRIG_VERSION_H
 
-#define APP_ID        "xmrig"
+#define APP_ID        "xmrig-hac"
-#define APP_NAME      "XMRig"
+#define APP_NAME      "XMRig-HAC"
 #define APP_DESC      "XMRig miner"
-#define APP_VERSION   "6.25.0"
+#define APP_VERSION   "6.25.0-hac"
-#define APP_DOMAIN    "xmrig.com"
+#define APP_DOMAIN    "dragonx.is"
-#define APP_SITE      "www.xmrig.com"
+#define APP_SITE      "www.dragonx.is"
-#define APP_COPYRIGHT "Copyright (C) 2016-2025 xmrig.com"
+#define APP_COPYRIGHT "Copyright (C) 2026 dragonx.is"
 #define APP_KIND      "miner"
 
 #define APP_VER_MAJOR  6