#3245 Improved algorithm negotiation for donation rounds by sending extra information about current mining job.

Sync with changes from proxy

CHANGELOG.md

@@ -1,3 +1,9 @@
+# v6.19.2
+- [#3230](https://github.com/xmrig/xmrig/pull/3230) Fixed parsing of `TX_EXTRA_MERGE_MINING_TAG`.
+- [#3232](https://github.com/xmrig/xmrig/pull/3232) Added new `X-Hash-Difficulty` HTTP header.
+- [#3240](https://github.com/xmrig/xmrig/pull/3240) Improved .cmd files when run by shortcuts on another drive.
+- [#3241](https://github.com/xmrig/xmrig/pull/3241) Added view tag calculation (fixes Wownero solo mining issue).
+
 # v6.19.1
 - Resolved deprecated methods warnings with OpenSSL 3.0.
 - [#3213](https://github.com/xmrig/xmrig/pull/3213) Fixed build with 32-bit clang 15.

scripts/benchmark_10M.cmd

@@ -1,4 +1,4 @@
 @echo off
-cd %~dp0
+cd /d "%~dp0"
 xmrig.exe --bench=10M --submit
 pause

scripts/benchmark_1M.cmd

@@ -1,4 +1,4 @@
 @echo off
-cd %~dp0
+cd /d "%~dp0"
 xmrig.exe --bench=1M --submit
 pause

scripts/pool_mine_example.cmd

@@ -15,6 +15,6 @@
 :: Choose pools outside of top 5 to help Monero network be more decentralized!
 :: Smaller pools also often have smaller fees/payout limits.
 
-cd %~dp0
+cd /d "%~dp0"
 xmrig.exe -o pool.hashvault.pro:3333 -u 48edfHu7V9Z84YzzMa6fUueoELZ9ZRXq9VetWzYGzKt52XU5xvqgzYnDK9URnRoJMk1j8nLwEVsaSWJ4fhdUyZijBGUicoD -p x
 pause

scripts/rtm_ghostrider_example.cmd

@@ -15,7 +15,7 @@
 :: Choose pools outside of top 5 to help Raptoreum network be more decentralized!
 :: Smaller pools also often have smaller fees/payout limits.
 
-cd %~dp0
+cd /d "%~dp0"
 :: Use this command line to connect to non-SSL port
 xmrig.exe -a gr -o raptoreumemporium.com:3008 -u WALLET_ADDRESS -p x
 :: Or use this command line to connect to an SSL port

scripts/solo_mine_example.cmd

@@ -11,6 +11,6 @@
 :: Mining solo is the best way to help Monero network be more decentralized!
 :: 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 %~dp0
+cd /d "%~dp0"
 xmrig.exe -o node.xmr.to:18081 -a rx/0 -u 48edfHu7V9Z84YzzMa6fUueoELZ9ZRXq9VetWzYGzKt52XU5xvqgzYnDK9URnRoJMk1j8nLwEVsaSWJ4fhdUyZijBGUicoD --daemon
 pause

src/base/net/stratum/DaemonClient.cpp

@@ -148,6 +148,11 @@ int64_t xmrig::DaemonClient::submit(const JobResult &result)
         memcpy(data + sig_offset * 2, result.sig, 64 * 2);
         memcpy(data + m_blocktemplate.offset(BlockTemplate::TX_PUBKEY_OFFSET) * 2, result.sig_data, 32 * 2);
         memcpy(data + m_blocktemplate.offset(BlockTemplate::EPH_PUBLIC_KEY_OFFSET) * 2, result.sig_data + 32 * 2, 32 * 2);
+
+        // Handle view tag for txout_to_tagged_key outputs
+        if (m_blocktemplate.outputType() == 3) {
+            Cvt::toHex(data + m_blocktemplate.offset(BlockTemplate::EPH_PUBLIC_KEY_OFFSET) * 2 + 32 * 2, 2, &result.view_tag, 1);
+        }
     }
 
     if (result.extra_nonce >= 0) {
@@ -178,7 +183,10 @@ int64_t xmrig::DaemonClient::submit(const JobResult &result)
     m_results[m_sequence] = SubmitResult(m_sequence, result.diff, result.actualDiff(), 0, result.backend);
 #   endif
 
-    return rpcSend(doc);
+    std::map<std::string, std::string> headers;
+    headers.insert({"X-Hash-Difficulty", std::to_string(result.actualDiff())});
+
+    return rpcSend(doc, headers);
 }
 
 
@@ -401,7 +409,8 @@ bool xmrig::DaemonClient::parseJob(const rapidjson::Value &params, int *code)
         m_blocktemplate.offset(BlockTemplate::TX_PUBKEY_OFFSET) - k,
         m_blocktemplate.offset(BlockTemplate::TX_EXTRA_NONCE_OFFSET) - k,
         m_blocktemplate.txExtraNonce().size(),
-        m_blocktemplate.minerTxMerkleTreeBranch()
+        m_blocktemplate.minerTxMerkleTreeBranch(),
+        m_blocktemplate.outputType() == 3
     );
 #   endif
 
@@ -438,7 +447,7 @@ bool xmrig::DaemonClient::parseJob(const rapidjson::Value &params, int *code)
         }
 
         uint8_t derivation[32];
-        if (!generate_key_derivation(m_blocktemplate.blob(BlockTemplate::TX_PUBKEY_OFFSET), secret_viewkey, derivation)) {
+        if (!generate_key_derivation(m_blocktemplate.blob(BlockTemplate::TX_PUBKEY_OFFSET), secret_viewkey, derivation, nullptr)) {
             return jobError("Failed to generate key derivation for miner signature.");
         }
 
@@ -553,9 +562,13 @@ int64_t xmrig::DaemonClient::getBlockTemplate()
 }
 
 
-int64_t xmrig::DaemonClient::rpcSend(const rapidjson::Document &doc)
+int64_t xmrig::DaemonClient::rpcSend(const rapidjson::Document &doc, const std::map<std::string, std::string> &headers)
 {
     FetchRequest req(HTTP_POST, m_pool.host(), m_pool.port(), kJsonRPC, doc, m_pool.isTLS(), isQuiet());
+    for (const auto &header : headers) {
+        req.headers.insert(header);
+    }
+
     fetch(tag(), std::move(req), m_httpListener);
 
     return m_sequence++;

src/base/net/stratum/DaemonClient.h

@@ -86,7 +86,7 @@ private:
     bool parseJob(const rapidjson::Value &params, int *code);
     bool parseResponse(int64_t id, const rapidjson::Value &result, const rapidjson::Value &error);
     int64_t getBlockTemplate();
-    int64_t rpcSend(const rapidjson::Document &doc);
+    int64_t rpcSend(const rapidjson::Document &doc, const std::map<std::string, std::string> &headers = {});
     void retry();
     void send(const char *path);
     void setState(SocketState state);

src/base/net/stratum/Job.cpp

@@ -245,6 +245,7 @@ void xmrig::Job::copy(const Job &other)
     m_minerTxExtraNonceOffset = other.m_minerTxExtraNonceOffset;
     m_minerTxExtraNonceSize = other.m_minerTxExtraNonceSize;
     m_minerTxMerkleTreeBranch = other.m_minerTxMerkleTreeBranch;
+    m_hasViewTag = other.m_hasViewTag;
 #   else
     memcpy(m_ephPublicKey, other.m_ephPublicKey, sizeof(m_ephPublicKey));
     memcpy(m_ephSecretKey, other.m_ephSecretKey, sizeof(m_ephSecretKey));
@@ -300,6 +301,7 @@ void xmrig::Job::move(Job &&other)
     m_minerTxExtraNonceOffset   = other.m_minerTxExtraNonceOffset;
     m_minerTxExtraNonceSize     = other.m_minerTxExtraNonceSize;
     m_minerTxMerkleTreeBranch   = std::move(other.m_minerTxMerkleTreeBranch);
+    m_hasViewTag                = other.m_hasViewTag;
 #   else
     memcpy(m_ephPublicKey, other.m_ephPublicKey, sizeof(m_ephPublicKey));
     memcpy(m_ephSecretKey, other.m_ephSecretKey, sizeof(m_ephSecretKey));
@@ -323,7 +325,7 @@ void xmrig::Job::setSpendSecretKey(const uint8_t *key)
 }
 
 
-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)
+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, bool hasViewTag)
 {
     m_minerTxPrefix.assign(begin, end);
     m_minerTxEphPubKeyOffset    = minerTxEphPubKeyOffset;
@@ -331,6 +333,13 @@ void xmrig::Job::setMinerTx(const uint8_t *begin, const uint8_t *end, size_t min
     m_minerTxExtraNonceOffset   = minerTxExtraNonceOffset;
     m_minerTxExtraNonceSize     = minerTxExtraNonceSize;
     m_minerTxMerkleTreeBranch   = minerTxMerkleTreeBranch;
+    m_hasViewTag                = hasViewTag;
+}
+
+
+void xmrig::Job::setViewTagInMinerTx(uint8_t view_tag)
+{
+    memcpy(m_minerTxPrefix.data() + m_minerTxEphPubKeyOffset + 32, &view_tag, 1);
 }
 
 
@@ -340,7 +349,7 @@ void xmrig::Job::setExtraNonceInMinerTx(uint32_t extra_nonce)
 }
 
 
-void xmrig::Job::generateSignatureData(String &signatureData) const
+void xmrig::Job::generateSignatureData(String &signatureData, uint8_t& view_tag) const
 {
     uint8_t* eph_public_key = m_minerTxPrefix.data() + m_minerTxEphPubKeyOffset;
     uint8_t* txkey_pub = m_minerTxPrefix.data() + m_minerTxPubKeyOffset;
@@ -351,14 +360,14 @@ void xmrig::Job::generateSignatureData(String &signatureData) const
 
     uint8_t derivation[32];
 
-    generate_key_derivation(m_viewPublicKey, txkey_sec, derivation);
+    generate_key_derivation(m_viewPublicKey, txkey_sec, derivation, &view_tag);
     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);
+    generate_key_derivation(txkey_pub, m_viewSecretKey, derivation, nullptr);
     derive_secret_key(derivation, 0, m_spendSecretKey, buf + 64);
 
     signatureData = Cvt::toHex(buf, sizeof(buf));

src/base/net/stratum/Job.h

@@ -120,10 +120,13 @@ public:
 #   endif
 
 #   ifdef XMRIG_PROXY_PROJECT
+    inline bool hasViewTag() const                      { return m_hasViewTag; }
+
     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 setMinerTx(const uint8_t* begin, const uint8_t* end, size_t minerTxEphPubKeyOffset, size_t minerTxPubKeyOffset, size_t minerTxExtraNonceOffset, size_t minerTxExtraNonceSize, const Buffer& minerTxMerkleTreeBranch, bool hasViewTag);
+    void setViewTagInMinerTx(uint8_t view_tag);
     void setExtraNonceInMinerTx(uint32_t extra_nonce);
-    void generateSignatureData(String& signatureData) const;
+    void generateSignatureData(String& signatureData, uint8_t& view_tag) const;
     void generateHashingBlob(String& blob) const;
 #   else
     inline const uint8_t* ephSecretKey() const { return m_hasMinerSignature ? m_ephSecretKey : nullptr; }
@@ -178,6 +181,7 @@ private:
     size_t m_minerTxExtraNonceOffset = 0;
     size_t m_minerTxExtraNonceSize = 0;
     Buffer m_minerTxMerkleTreeBranch;
+    bool m_hasViewTag = false;
 #   else
     // Miner signatures
     uint8_t m_ephPublicKey[32]{};

src/base/tools/cryptonote/BlockTemplate.cpp

@@ -269,7 +269,7 @@ bool xmrig::BlockTemplate::parse(bool hashes)
         case 0x03: // TX_EXTRA_MERGE_MINING_TAG
             ar_extra(size);
             setOffset(TX_EXTRA_MERGE_MINING_TAG_OFFSET, offset(TX_EXTRA_OFFSET) + ar_extra.index());
-            ar_extra(m_txMergeMiningTag, size + kKeySize);
+            ar_extra(m_txMergeMiningTag, size);
             break;
 
         default:

src/base/tools/cryptonote/Signatures.cpp

@@ -147,7 +147,7 @@ bool check_signature(const uint8_t* prefix_hash, const uint8_t* pub, const uint8
 }
 
 
-bool generate_key_derivation(const uint8_t* key1, const uint8_t* key2, uint8_t* derivation)
+bool generate_key_derivation(const uint8_t* key1, const uint8_t* key2, uint8_t* derivation, uint8_t* view_tag)
 {
     ge_p3 point;
     ge_p2 point2;
@@ -162,6 +162,22 @@ bool generate_key_derivation(const uint8_t* key1, const uint8_t* key2, uint8_t*
     ge_p1p1_to_p2(&point2, &point3);
     ge_tobytes(derivation, &point2);
 
+    if (view_tag) {
+        constexpr uint8_t salt[] = "view_tag";
+        constexpr size_t SALT_SIZE = sizeof(salt) - 1;
+
+        uint8_t buf[SALT_SIZE + 32 + 1];
+        memcpy(buf, salt, SALT_SIZE);
+        memcpy(buf + SALT_SIZE, derivation, 32);
+
+        // Assuming output_index == 0
+        buf[SALT_SIZE + 32] = 0;
+
+        uint8_t view_tag_full[32];
+        xmrig::keccak(buf, sizeof(buf), view_tag_full, sizeof(view_tag_full));
+        *view_tag = view_tag_full[0];
+    }
+
     return true;
 }
 

src/base/tools/cryptonote/Signatures.h

@@ -31,7 +31,7 @@ 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);
+bool generate_key_derivation(const uint8_t* key1, const uint8_t* key2, uint8_t* derivation, uint8_t* view_tag);
 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);
 

src/crypto/kawpow/KPHash.h

@@ -7,8 +7,8 @@
  * Copyright 2017-2019 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
  * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
  * Copyright 2018-2019 tevador     <tevador@gmail.com>
- * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2023 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2023 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
@@ -28,7 +28,7 @@
 #define XMRIG_KP_HASH_H
 
 
-#include <stdint.h>
+#include <cstdint>
 
 
 namespace xmrig
@@ -43,16 +43,16 @@ class KPHash
 public:
     static constexpr uint32_t EPOCH_LENGTH  = 7500;
     static constexpr uint32_t PERIOD_LENGTH = 3;
-    static constexpr int CNT_CACHE = 11;
-    static constexpr int CNT_MATH = 18;
-    static constexpr uint32_t REGS = 32;
-    static constexpr uint32_t LANES = 16;
+    static constexpr int CNT_CACHE          = 11;
+    static constexpr int CNT_MATH           = 18;
+    static constexpr uint32_t REGS          = 32;
+    static constexpr uint32_t LANES         = 16;
 
     static void calculate(const KPCache& light_cache, uint32_t block_height, const uint8_t (&header_hash)[32], uint64_t nonce, uint32_t (&output)[8], uint32_t (&mix_hash)[8]);
 };
 
 
-} /* namespace xmrig */
+} // namespace xmrig
 
 
-#endif /* XMRIG_KP_HASH_H */
+#endif // XMRIG_KP_HASH_H

src/net/Network.cpp

@@ -1,7 +1,7 @@
 /* XMRig
  * Copyright (c) 2019      Howard Chu  <https://github.com/hyc>
- * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
- * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2023 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2023 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
@@ -292,8 +292,7 @@ void xmrig::Network::setJob(IClient *client, const Job &job, bool donate)
     }
 
     if (!donate && m_donate) {
-        m_donate->setAlgo(job.algorithm());
-        m_donate->setProxy(client->pool().proxy());
+        static_cast<DonateStrategy *>(m_donate)->update(client, job);
     }
 
     m_controller->miner()->setJob(job, donate);

src/net/Network.h

@@ -1,7 +1,7 @@
 /* XMRig
  * Copyright (c) 2019      Howard Chu  <https://github.com/hyc>
- * Copyright (c) 2018-2021 SChernykh   <https://github.com/SChernykh>
- * Copyright (c) 2016-2021 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2023 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2023 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
@@ -89,7 +89,7 @@ private:
 };
 
 
-} /* namespace xmrig */
+} // namespace xmrig
 
 
-#endif /* XMRIG_NETWORK_H */
+#endif // XMRIG_NETWORK_H

src/net/strategies/DonateStrategy.cpp

@@ -1,6 +1,6 @@
 /* XMRig
- * Copyright (c) 2018-2022 SChernykh   <https://github.com/SChernykh>
- * Copyright (c) 2016-2022 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2023 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2023 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
@@ -48,7 +48,7 @@ static const char *kDonateHost = "donate.v2.xmrig.com";
 static const char *kDonateHostTls = "donate.ssl.xmrig.com";
 #endif
 
-} /* namespace xmrig */
+} // namespace xmrig
 
 
 xmrig::DonateStrategy::DonateStrategy(Controller *controller, IStrategyListener *listener) :
@@ -98,6 +98,17 @@ xmrig::DonateStrategy::~DonateStrategy()
 }
 
 
+void xmrig::DonateStrategy::update(IClient *client, const Job &job)
+{
+    setAlgo(job.algorithm());
+    setProxy(client->pool().proxy());
+
+    m_diff   = job.diff();
+    m_height = job.height();
+    m_seed   = job.seed();
+}
+
+
 int64_t xmrig::DonateStrategy::submit(const JobResult &result)
 {
     return m_proxy ? m_proxy->submit(result) : m_strategy->submit(result);
@@ -199,13 +210,13 @@ void xmrig::DonateStrategy::onLogin(IClient *, rapidjson::Document &doc, rapidjs
     params.AddMember("url", m_pools[0].url().toJSON(), allocator);
 #   endif
 
-    setAlgorithms(doc, params);
+    setParams(doc, params);
 }
 
 
 void xmrig::DonateStrategy::onLogin(IStrategy *, IClient *, rapidjson::Document &doc, rapidjson::Value &params)
 {
-    setAlgorithms(doc, params);
+    setParams(doc, params);
 }
 
 
@@ -270,12 +281,20 @@ void xmrig::DonateStrategy::idle(double min, double max)
 }
 
 
-void xmrig::DonateStrategy::setAlgorithms(rapidjson::Document &doc, rapidjson::Value &params)
+void xmrig::DonateStrategy::setJob(IClient *client, const Job &job, const rapidjson::Value &params)
+{
+    if (isActive()) {
+        m_listener->onJob(this, client, job, params);
+    }
+}
+
+
+void xmrig::DonateStrategy::setParams(rapidjson::Document &doc, rapidjson::Value &params)
 {
     using namespace rapidjson;
     auto &allocator = doc.GetAllocator();
+    auto algorithms = m_controller->miner()->algorithms();
 
-    Algorithms algorithms = m_controller->miner()->algorithms();
     const size_t index = static_cast<size_t>(std::distance(algorithms.begin(), std::find(algorithms.begin(), algorithms.end(), m_algorithm)));
     if (index > 0 && index < algorithms.size()) {
         std::swap(algorithms[0], algorithms[index]);
@@ -287,14 +306,12 @@ void xmrig::DonateStrategy::setAlgorithms(rapidjson::Document &doc, rapidjson::V
         algo.PushBack(StringRef(a.name()), allocator);
     }
 
-    params.AddMember("algo", algo, allocator);
-}
+    params.AddMember("algo",    algo, allocator);
+    params.AddMember("diff",    m_diff, allocator);
+    params.AddMember("height",  m_height, allocator);
 
-
-void xmrig::DonateStrategy::setJob(IClient *client, const Job &job, const rapidjson::Value &params)
-{
-    if (isActive()) {
-        m_listener->onJob(this, client, job, params);
+    if (!m_seed.empty()) {
+       params.AddMember("seed_hash", Cvt::toHex(m_seed, doc), allocator);
     }
 }
 

src/net/strategies/DonateStrategy.h

@@ -1,6 +1,6 @@
 /* XMRig
- * Copyright (c) 2018-2022 SChernykh   <https://github.com/SChernykh>
- * Copyright (c) 2016-2022 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2023 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2023 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
@@ -20,15 +20,12 @@
 #define XMRIG_DONATESTRATEGY_H
 
 
-#include <vector>
-
-
 #include "base/kernel/interfaces/IClientListener.h"
 #include "base/kernel/interfaces/IStrategy.h"
 #include "base/kernel/interfaces/IStrategyListener.h"
 #include "base/kernel/interfaces/ITimerListener.h"
 #include "base/net/stratum/Pool.h"
-#include "base/tools/Object.h"
+#include "base/tools/Buffer.h"
 
 
 namespace xmrig {
@@ -36,7 +33,6 @@ namespace xmrig {
 
 class Client;
 class Controller;
-class IStrategyListener;
 
 
 class DonateStrategy : public IStrategy, public IStrategyListener, public ITimerListener, public IClientListener
@@ -47,6 +43,8 @@ public:
     DonateStrategy(Controller *controller, IStrategyListener *listener);
     ~DonateStrategy() override;
 
+    void update(IClient *client, const Job &job);
+
 protected:
     inline bool isActive() const override                                                                              { return state() == STATE_ACTIVE; }
     inline IClient *client() const override                                                                            { return m_proxy ? m_proxy : m_strategy->client(); }
@@ -88,13 +86,14 @@ private:
 
     IClient *createProxy();
     void idle(double min, double max);
-    void setAlgorithms(rapidjson::Document &doc, rapidjson::Value &params);
     void setJob(IClient *client, const Job &job, const rapidjson::Value &params);
+    void setParams(rapidjson::Document &doc, rapidjson::Value &params);
     void setResult(IClient *client, const SubmitResult &result, const char *error);
     void setState(State state);
 
     Algorithm m_algorithm;
     bool m_tls                      = false;
+    Buffer m_seed;
     char m_userId[65]               = { 0 };
     const uint64_t m_donateTime;
     const uint64_t m_idleTime;
@@ -105,12 +104,14 @@ private:
     State m_state                   = STATE_NEW;
     std::vector<Pool> m_pools;
     Timer *m_timer                  = nullptr;
+    uint64_t m_diff                 = 0;
+    uint64_t m_height               = 0;
     uint64_t m_now                  = 0;
     uint64_t m_timestamp            = 0;
 };
 
 
-} /* namespace xmrig */
+} // namespace xmrig
 
 
-#endif /* XMRIG_DONATESTRATEGY_H */
+#endif // XMRIG_DONATESTRATEGY_H

src/version.h

@@ -22,7 +22,7 @@
 #define APP_ID        "xmrig"
 #define APP_NAME      "XMRig"
 #define APP_DESC      "XMRig miner"
-#define APP_VERSION   "6.19.1"
+#define APP_VERSION   "6.19.3-dev"
 #define APP_DOMAIN    "xmrig.com"
 #define APP_SITE      "www.xmrig.com"
 #define APP_COPYRIGHT "Copyright (C) 2016-2023 xmrig.com"
@@ -30,7 +30,7 @@
 
 #define APP_VER_MAJOR  6
 #define APP_VER_MINOR  19
-#define APP_VER_PATCH  1
+#define APP_VER_PATCH  3
 
 #ifdef _MSC_VER
 #   if (_MSC_VER >= 1930)