Merge branch 'develop' into pratik/Charge-higher-fees-for-and-reject-heavy-TMGetObjectByHash-queries

BUILD.md

@@ -141,37 +141,26 @@ Alternatively, you can pull the patched recipes into the repository and use them
 locally:
 
 ```bash
-# Extract the version number from the lockfile.
-function extract_version {
-  version=$(cat conan.lock | sed -nE "s@.+${1}/(.+)#.+@\1@p" | head -n1)
-  echo ${version}
-}
-
-# Define which recipes to export.
-recipes=(ed25519 grpc secp256k1 snappy soci)
-
-# Selectively check out the recipes from our CCI fork.
 cd external
 mkdir -p conan-center-index
 cd conan-center-index
 git init
 git remote add origin git@github.com:XRPLF/conan-center-index.git
 git sparse-checkout init
-for recipe in ${recipes[@]}; do
-  echo "Checking out ${recipe}..."
-  git sparse-checkout add recipes/${recipe}/all
-done
+git sparse-checkout set recipes/ed25519
+git sparse-checkout add recipes/grpc
+git sparse-checkout add recipes/secp256k1
+git sparse-checkout add recipes/snappy
+git sparse-checkout add recipes/soci
 git fetch origin master
 git checkout master
+rm -rf .git
 cd ../..
-
-# Export the recipes into the local cache.
-for recipe in ${recipes[@]}; do
-  version=$(extract_version ${recipe})
-  echo "Exporting ${recipe}/${version}..."
-  conan export --version $(extract_version ${recipe}) \
-    external/conan-center-index/recipes/${recipe}/all
-done
+conan export --version 2015.03 external/conan-center-index/recipes/ed25519/all
+conan export --version 1.72.0 external/conan-center-index/recipes/grpc/all
+conan export --version 0.7.0 external/conan-center-index/recipes/secp256k1/all
+conan export --version 1.1.10 external/conan-center-index/recipes/snappy/all
+conan export --version 4.0.3 external/conan-center-index/recipes/soci/all
 ```
 
 In the case we switch to a newer version of a dependency that still requires a

cfg/rippled-example.cfg

@@ -1051,11 +1051,10 @@
 #                           The online delete process checks periodically
 #                           that rippled is still in sync with the network,
 #                           and that the validated ledger is less than
-#                           'age_threshold_seconds' old, and that all
-#                           recent ledgers are available. If not, then continue
+#                           'age_threshold_seconds' old. If not, then continue
 #                           sleeping for this number of seconds and
 #                           checking until healthy.
-#                           Default is 1.
+#                           Default is 5.
 #
 #   Notes:
 #       The 'node_db' entry configures the primary, persistent storage.

include/xrpl/protocol/detail/features.macro

@@ -67,6 +67,7 @@ XRPL_FEATURE(Clawback,                   Supported::yes, VoteBehavior::DefaultNo
 XRPL_FIX    (UniversalNumber,            Supported::yes, VoteBehavior::DefaultNo)
 XRPL_FEATURE(XRPFees,                    Supported::yes, VoteBehavior::DefaultNo)
 XRPL_FIX    (RemoveNFTokenAutoTrustLine, Supported::yes, VoteBehavior::DefaultYes)
+XRPL_FIX    (TMGetObjectByHashLimit,     Supported::yes, VoteBehavior::DefaultYes)
 
 // The following amendments are obsolete, but must remain supported
 // because they could potentially get enabled.

src/test/app/LedgerMaster_test.cpp

@@ -2,7 +2,6 @@
 #include <test/jtx/Env.h>
 
 #include <xrpld/app/ledger/LedgerMaster.h>
-#include <xrpld/app/misc/SHAMapStore.h>
 
 namespace ripple {
 namespace test {
@@ -101,88 +100,6 @@ class LedgerMaster_test : public beast::unit_test::suite
         }
     }
 
-    void
-    testCompleteLedgerRange(FeatureBitset features)
-    {
-        // Note that this test is intentionally very similar to
-        // SHAMapStore_test::testLedgerGaps, but has a different
-        // focus.
-
-        testcase("Complete Ledger operations");
-
-        using namespace test::jtx;
-
-        auto const deleteInterval = 8;
-
-        Env env{*this, envconfig([](auto cfg) {
-                    return online_delete(std::move(cfg), deleteInterval);
-                })};
-
-        auto const alice = Account("alice");
-        env.fund(XRP(1000), alice);
-        env.close();
-
-        auto& lm = env.app().getLedgerMaster();
-        LedgerIndex minSeq = 2;
-        LedgerIndex maxSeq = env.closed()->info().seq;
-        auto& store = env.app().getSHAMapStore();
-        store.rendezvous();
-        LedgerIndex lastRotated = store.getLastRotated();
-        BEAST_EXPECTS(maxSeq == 3, to_string(maxSeq));
-        BEAST_EXPECTS(
-            lm.getCompleteLedgers() == "2-3", lm.getCompleteLedgers());
-        BEAST_EXPECTS(lastRotated == 3, to_string(lastRotated));
-        BEAST_EXPECT(lm.missingFromCompleteLedgerRange(minSeq, maxSeq) == 0);
-        BEAST_EXPECT(
-            lm.missingFromCompleteLedgerRange(minSeq + 1, maxSeq - 1) == 0);
-        BEAST_EXPECT(
-            lm.missingFromCompleteLedgerRange(minSeq - 1, maxSeq + 1) == 2);
-        BEAST_EXPECT(
-            lm.missingFromCompleteLedgerRange(minSeq - 2, maxSeq - 2) == 2);
-        BEAST_EXPECT(
-            lm.missingFromCompleteLedgerRange(minSeq + 2, maxSeq + 2) == 2);
-
-        // Close enough ledgers to rotate a few times
-        for (int i = 0; i < 24; ++i)
-        {
-            for (int t = 0; t < 3; ++t)
-            {
-                env(noop(alice));
-            }
-            env.close();
-            store.rendezvous();
-
-            ++maxSeq;
-
-            if (maxSeq == lastRotated + deleteInterval)
-            {
-                minSeq = lastRotated;
-                lastRotated = maxSeq;
-            }
-            BEAST_EXPECTS(
-                env.closed()->info().seq == maxSeq,
-                to_string(env.closed()->info().seq));
-            BEAST_EXPECTS(
-                store.getLastRotated() == lastRotated,
-                to_string(store.getLastRotated()));
-            std::stringstream expectedRange;
-            expectedRange << minSeq << "-" << maxSeq;
-            BEAST_EXPECTS(
-                lm.getCompleteLedgers() == expectedRange.str(),
-                lm.getCompleteLedgers());
-            BEAST_EXPECT(
-                lm.missingFromCompleteLedgerRange(minSeq, maxSeq) == 0);
-            BEAST_EXPECT(
-                lm.missingFromCompleteLedgerRange(minSeq + 1, maxSeq - 1) == 0);
-            BEAST_EXPECT(
-                lm.missingFromCompleteLedgerRange(minSeq - 1, maxSeq + 1) == 2);
-            BEAST_EXPECT(
-                lm.missingFromCompleteLedgerRange(minSeq - 2, maxSeq - 2) == 2);
-            BEAST_EXPECT(
-                lm.missingFromCompleteLedgerRange(minSeq + 2, maxSeq + 2) == 2);
-        }
-    }
-
 public:
     void
     run() override
@@ -196,7 +113,6 @@ public:
     testWithFeats(FeatureBitset features)
     {
         testTxnIdFromIndex(features);
-        testCompleteLedgerRange(features);
     }
 };
 

src/test/app/SHAMapStore_test.cpp

@@ -1,7 +1,6 @@
 #include <test/jtx.h>
 #include <test/jtx/envconfig.h>
 
-#include <xrpld/app/ledger/LedgerMaster.h>
 #include <xrpld/app/main/Application.h>
 #include <xrpld/app/main/NodeStoreScheduler.h>
 #include <xrpld/app/misc/SHAMapStore.h>
@@ -11,8 +10,6 @@
 #include <xrpl/nodestore/detail/DatabaseRotatingImp.h>
 #include <xrpl/protocol/jss.h>
 
-#include <thread>
-
 namespace ripple {
 namespace test {
 
@@ -23,8 +20,10 @@ class SHAMapStore_test : public beast::unit_test::suite
     static auto
     onlineDelete(std::unique_ptr<Config> cfg)
     {
-        using namespace jtx;
-        return online_delete(std::move(cfg), deleteInterval);
+        cfg->LEDGER_HISTORY = deleteInterval;
+        auto& section = cfg->section(ConfigSection::nodeDatabase());
+        section.set("online_delete", std::to_string(deleteInterval));
+        return cfg;
     }
 
     static auto
@@ -627,184 +626,6 @@ public:
         BEAST_EXPECT(dbr->getName() == "3");
     }
 
-    void
-    testLedgerGaps()
-    {
-        // Note that this test is intentionally very similar to
-        // LedgerMaster_test::testCompleteLedgerRange, but has a different
-        // focus.
-
-        testcase("Wait for ledger gaps to fill in");
-
-        using namespace test::jtx;
-
-        Env env{*this, envconfig(onlineDelete)};
-
-        std::map<LedgerIndex, uint256> hashes;
-
-        auto failureMessage = [&](char const* label,
-                                  auto expected,
-                                  auto actual) {
-            std::stringstream ss;
-            ss << label << ": Expected: " << expected << ", Got: " << actual;
-            return ss.str();
-        };
-
-        auto const alice = Account("alice");
-        env.fund(XRP(1000), alice);
-        env.close();
-
-        auto& lm = env.app().getLedgerMaster();
-        LedgerIndex minSeq = 2;
-        LedgerIndex maxSeq = env.closed()->info().seq;
-        auto& store = env.app().getSHAMapStore();
-        store.rendezvous();
-        LedgerIndex lastRotated = store.getLastRotated();
-        BEAST_EXPECTS(maxSeq == 3, to_string(maxSeq));
-        BEAST_EXPECTS(
-            lm.getCompleteLedgers() == "2-3", lm.getCompleteLedgers());
-        BEAST_EXPECTS(lastRotated == 3, to_string(lastRotated));
-        BEAST_EXPECT(lm.missingFromCompleteLedgerRange(minSeq, maxSeq) == 0);
-        BEAST_EXPECT(
-            lm.missingFromCompleteLedgerRange(minSeq + 1, maxSeq - 1) == 0);
-        BEAST_EXPECT(
-            lm.missingFromCompleteLedgerRange(minSeq - 1, maxSeq + 1) == 2);
-        BEAST_EXPECT(
-            lm.missingFromCompleteLedgerRange(minSeq - 2, maxSeq - 2) == 2);
-        BEAST_EXPECT(
-            lm.missingFromCompleteLedgerRange(minSeq + 2, maxSeq + 2) == 2);
-
-        // Close enough ledgers to rotate a few times
-        while (maxSeq < 20)
-        {
-            for (int t = 0; t < 3; ++t)
-            {
-                env(noop(alice));
-            }
-            env.close();
-            store.rendezvous();
-
-            ++maxSeq;
-
-            if (maxSeq + 1 == lastRotated + deleteInterval)
-            {
-                using namespace std::chrono_literals;
-
-                // The next ledger will trigger a rotation. Delete the
-                // current ledger from LedgerMaster.
-                std::this_thread::sleep_for(100ms);
-                LedgerIndex const deleteSeq = maxSeq;
-                while (!lm.haveLedger(deleteSeq))
-                {
-                    std::this_thread::sleep_for(100ms);
-                }
-                lm.clearLedger(deleteSeq);
-
-                auto expectedRange =
-                    [](auto minSeq, auto deleteSeq, auto maxSeq) {
-                        std::stringstream expectedRange;
-                        expectedRange << minSeq << "-" << (deleteSeq - 1);
-                        if (deleteSeq + 1 == maxSeq)
-                            expectedRange << "," << maxSeq;
-                        else if (deleteSeq < maxSeq)
-                            expectedRange << "," << (deleteSeq + 1) << "-"
-                                          << maxSeq;
-                        return expectedRange.str();
-                    };
-                BEAST_EXPECTS(
-                    lm.getCompleteLedgers() ==
-                        expectedRange(minSeq, deleteSeq, maxSeq),
-                    failureMessage(
-                        "Complete ledgers",
-                        expectedRange(minSeq, deleteSeq, maxSeq),
-                        lm.getCompleteLedgers()));
-                BEAST_EXPECT(
-                    lm.missingFromCompleteLedgerRange(minSeq, maxSeq) == 1);
-
-                // Close another ledger, which will trigger a rotation, but the
-                // rotation will be stuck until the missing ledger is filled in.
-                env.close();
-                // DO NOT CALL rendezvous()! You'll end up with a deadlock.
-                ++maxSeq;
-
-                // Nothing has changed
-                BEAST_EXPECTS(
-                    store.getLastRotated() == lastRotated,
-                    failureMessage(
-                        "lastRotated", lastRotated, store.getLastRotated()));
-                BEAST_EXPECTS(
-                    lm.getCompleteLedgers() ==
-                        expectedRange(minSeq, deleteSeq, maxSeq),
-                    failureMessage(
-                        "Complete ledgers",
-                        expectedRange(minSeq, deleteSeq, maxSeq),
-                        lm.getCompleteLedgers()));
-
-                // Close 5 more ledgers, waiting one second in between to
-                // simulate the ledger making progress while online delete waits
-                // for the missing ledger to be filled in.
-                // This ensures the healthWait check has time to run and
-                // detect the gap.
-                for (int l = 0; l < 5; ++l)
-                {
-                    env.close();
-                    // DO NOT CALL rendezvous()! You'll end up with a deadlock.
-                    ++maxSeq;
-                    // Nothing has changed
-                    BEAST_EXPECTS(
-                        store.getLastRotated() == lastRotated,
-                        failureMessage(
-                            "lastRotated",
-                            lastRotated,
-                            store.getLastRotated()));
-                    BEAST_EXPECTS(
-                        lm.getCompleteLedgers() ==
-                            expectedRange(minSeq, deleteSeq, maxSeq),
-                        failureMessage(
-                            "Complete Ledgers",
-                            expectedRange(minSeq, deleteSeq, maxSeq),
-                            lm.getCompleteLedgers()));
-                    std::this_thread::sleep_for(1s);
-                }
-
-                // Put the missing ledger back in LedgerMaster
-                lm.setLedgerRangePresent(deleteSeq, deleteSeq);
-
-                // Wait for the rotation to finish
-                store.rendezvous();
-
-                minSeq = lastRotated;
-                lastRotated = deleteSeq + 1;
-            }
-            BEAST_EXPECT(maxSeq != lastRotated + deleteInterval);
-            BEAST_EXPECTS(
-                env.closed()->info().seq == maxSeq,
-                failureMessage("maxSeq", maxSeq, env.closed()->info().seq));
-            BEAST_EXPECTS(
-                store.getLastRotated() == lastRotated,
-                failureMessage(
-                    "lastRotated", lastRotated, store.getLastRotated()));
-            std::stringstream expectedRange;
-            expectedRange << minSeq << "-" << maxSeq;
-            BEAST_EXPECTS(
-                lm.getCompleteLedgers() == expectedRange.str(),
-                failureMessage(
-                    "CompleteLedgers",
-                    expectedRange.str(),
-                    lm.getCompleteLedgers()));
-            BEAST_EXPECT(
-                lm.missingFromCompleteLedgerRange(minSeq, maxSeq) == 0);
-            BEAST_EXPECT(
-                lm.missingFromCompleteLedgerRange(minSeq + 1, maxSeq - 1) == 0);
-            BEAST_EXPECT(
-                lm.missingFromCompleteLedgerRange(minSeq - 1, maxSeq + 1) == 2);
-            BEAST_EXPECT(
-                lm.missingFromCompleteLedgerRange(minSeq - 2, maxSeq - 2) == 2);
-            BEAST_EXPECT(
-                lm.missingFromCompleteLedgerRange(minSeq + 2, maxSeq + 2) == 2);
-        }
-    }
-
     void
     run() override
     {
@@ -812,7 +633,6 @@ public:
         testAutomatic();
         testCanDelete();
         testRotate();
-        testLedgerGaps();
     }
 };
 

src/test/jtx/envconfig.h

@@ -58,17 +58,6 @@ envconfig(F&& modfunc, Args&&... args)
     return modfunc(envconfig(), std::forward<Args>(args)...);
 }
 
-/// @brief adjust config to enable online_delete
-///
-/// @param cfg config instance to be modified
-///
-/// @param deleteInterval how many new ledgers should be available before
-/// rotating. Defaults to 8, because the standalone minimum is 8.
-///
-/// @return unique_ptr to Config instance
-std::unique_ptr<Config>
-online_delete(std::unique_ptr<Config> cfg, std::uint32_t deleteInterval = 8);
-
 /// @brief adjust config so no admin ports are enabled
 ///
 /// this is intended for use with envconfig, as in

src/test/jtx/impl/envconfig.cpp

@@ -53,15 +53,6 @@ setupConfigForUnitTests(Config& cfg)
 
 namespace jtx {
 
-std::unique_ptr<Config>
-online_delete(std::unique_ptr<Config> cfg, std::uint32_t deleteInterval)
-{
-    cfg->LEDGER_HISTORY = deleteInterval;
-    auto& section = cfg->section(ConfigSection::nodeDatabase());
-    section.set("online_delete", std::to_string(deleteInterval));
-    return cfg;
-}
-
 std::unique_ptr<Config>
 no_admin(std::unique_ptr<Config> cfg)
 {

src/xrpld/app/ledger/LedgerMaster.h

@@ -108,10 +108,7 @@ public:
     failedSave(std::uint32_t seq, uint256 const& hash);
 
     std::string
-    getCompleteLedgers() const;
-
-    std::size_t
-    missingFromCompleteLedgerRange(LedgerIndex first, LedgerIndex last) const;
+    getCompleteLedgers();
 
     /** Apply held transactions to the open ledger
         This is normally called as we close the ledger.
@@ -328,7 +325,7 @@ private:
     // A set of transactions to replay during the next close
     std::unique_ptr<LedgerReplay> replayData;
 
-    std::recursive_mutex mutable mCompleteLock;
+    std::recursive_mutex mCompleteLock;
     RangeSet<std::uint32_t> mCompleteLedgers;
 
     // Publish thread is running.

src/xrpld/app/ledger/detail/LedgerMaster.cpp

@@ -1571,36 +1571,12 @@ LedgerMaster::getPublishedLedger()
 }
 
 std::string
-LedgerMaster::getCompleteLedgers() const
+LedgerMaster::getCompleteLedgers()
 {
     std::lock_guard sl(mCompleteLock);
     return to_string(mCompleteLedgers);
 }
 
-std::size_t
-LedgerMaster::missingFromCompleteLedgerRange(
-    LedgerIndex first,
-    LedgerIndex last) const
-{
-    // Make a copy of the range to avoid holding the lock
-    auto const range = [&] {
-        std::lock_guard sl(mCompleteLock);
-        return mCompleteLedgers;
-    }();
-
-    std::size_t missing = 0;
-
-    for (LedgerIndex idx = first; idx <= last; ++idx)
-    {
-        if (!boost::icl::contains(range, idx))
-        {
-            ++missing;
-        }
-    }
-
-    return missing;
-}
-
 std::optional<NetClock::time_point>
 LedgerMaster::getCloseTimeBySeq(LedgerIndex ledgerIndex)
 {

src/xrpld/app/misc/SHAMapStoreImp.cpp

@@ -289,18 +289,6 @@ SHAMapStoreImp::run()
             validatedSeq >= lastRotated + deleteInterval_ &&
             canDelete_ >= lastRotated - 1 && healthWait() == keepGoing;
 
-        JLOG(journal_.debug())
-            << "run: Setting lastGoodValidatedLedger_ to " << validatedSeq;
-
-        {
-            // Note that this is set after the healthWait() check, so that we
-            // don't start the rotation until the validated ledger is fully
-            // processed. It is not guaranteed to be done at this point. It also
-            // allows the testLedgerGaps unit test to work.
-            std::unique_lock<std::mutex> lock(mutex_);
-            lastGoodValidatedLedger_ = validatedSeq;
-        }
-
         // will delete up to (not including) lastRotated
         if (readyToRotate)
         {
@@ -309,9 +297,7 @@ SHAMapStoreImp::run()
                 << lastRotated << " deleteInterval " << deleteInterval_
                 << " canDelete_ " << canDelete_ << " state "
                 << app_.getOPs().strOperatingMode(false) << " age "
-                << ledgerMaster_->getValidatedLedgerAge().count()
-                << "s. Complete ledgers: "
-                << ledgerMaster_->getCompleteLedgers();
+                << ledgerMaster_->getValidatedLedgerAge().count() << 's';
 
             clearPrior(lastRotated);
             if (healthWait() == stopping)
@@ -374,10 +360,7 @@ SHAMapStoreImp::run()
                     clearCaches(validatedSeq);
                 });
 
-            JLOG(journal_.warn())
-                << "finished rotation. validatedSeq: " << validatedSeq
-                << ", lastRotated: " << lastRotated << ". Complete ledgers: "
-                << ledgerMaster_->getCompleteLedgers();
+            JLOG(journal_.warn()) << "finished rotation " << validatedSeq;
         }
     }
 }
@@ -632,47 +615,22 @@ SHAMapStoreImp::clearPrior(LedgerIndex lastRotated)
 SHAMapStoreImp::HealthResult
 SHAMapStoreImp::healthWait()
 {
-    auto index = ledgerMaster_->getValidLedgerIndex();
     auto age = ledgerMaster_->getValidatedLedgerAge();
     OperatingMode mode = netOPs_->getOperatingMode();
     std::unique_lock lock(mutex_);
-
-    auto numMissing = ledgerMaster_->missingFromCompleteLedgerRange(
-        lastGoodValidatedLedger_, index);
-    while (
-        !stop_ &&
-        (mode != OperatingMode::FULL || age > ageThreshold_ || numMissing > 0))
+    while (!stop_ && (mode != OperatingMode::FULL || age > ageThreshold_))
     {
-        // this value shouldn't change, so grab it while we have the
-        // lock
-        auto const lastGood = lastGoodValidatedLedger_;
-
         lock.unlock();
-
-        auto const stream = mode != OperatingMode::FULL || age > ageThreshold_
-            ? journal_.warn()
-            : journal_.info();
-        JLOG(stream) << "Waiting " << recoveryWaitTime_.count()
-                     << "s for node to stabilize. state: "
-                     << app_.getOPs().strOperatingMode(mode, false) << ". age "
-                     << age.count() << "s. Missing ledgers: " << numMissing
-                     << ". Expect: " << lastGood << "-" << index
-                     << ". Complete ledgers: "
-                     << ledgerMaster_->getCompleteLedgers();
+        JLOG(journal_.warn()) << "Waiting " << recoveryWaitTime_.count()
+                              << "s for node to stabilize. state: "
+                              << app_.getOPs().strOperatingMode(mode, false)
+                              << ". age " << age.count() << 's';
         std::this_thread::sleep_for(recoveryWaitTime_);
-        index = ledgerMaster_->getValidLedgerIndex();
         age = ledgerMaster_->getValidatedLedgerAge();
         mode = netOPs_->getOperatingMode();
-        numMissing =
-            ledgerMaster_->missingFromCompleteLedgerRange(lastGood, index);
-
         lock.lock();
     }
 
-    JLOG(journal_.debug()) << "healthWait: Setting lastGoodValidatedLedger_ to "
-                           << index;
-    lastGoodValidatedLedger_ = index;
-
     return stop_ ? stopping : keepGoing;
 }
 

src/xrpld/app/misc/SHAMapStoreImp.h

@@ -71,11 +71,6 @@ private:
     std::thread thread_;
     bool stop_ = false;
     bool healthy_ = true;
-    // Used to prevent ledger gaps from forming during online deletion. Keeps
-    // track of the last validated ledger that was processed without gaps. There
-    // are no guarantees about gaps while online delete is not running. For
-    // that, use advisory_delete and check for gaps externally.
-    LedgerIndex lastGoodValidatedLedger_ = 0;
     mutable std::condition_variable cond_;
     mutable std::condition_variable rendezvous_;
     mutable std::mutex mutex_;
@@ -89,11 +84,11 @@ private:
     std::uint32_t deleteBatch_ = 100;
     std::chrono::milliseconds backOff_{100};
     std::chrono::seconds ageThreshold_{60};
-    /// If  the node is out of sync, or any recent ledgers are not
-    /// available during an online_delete healthWait() call, sleep
-    /// the thread for this time, and continue checking until recovery.
+    /// If  the node is out of sync during an online_delete healthWait()
+    /// call, sleep the thread for this time, and continue checking until
+    /// recovery.
     /// See also: "recovery_wait_seconds" in rippled-example.cfg
-    std::chrono::seconds recoveryWaitTime_{1};
+    std::chrono::seconds recoveryWaitTime_{5};
 
     // these do not exist upon SHAMapStore creation, but do exist
     // as of run() or before
@@ -217,8 +212,6 @@ private:
     enum HealthResult { stopping, keepGoing };
     [[nodiscard]] HealthResult
     healthWait();
-    bool
-    hasCompleteRange(LedgerIndex first, LedgerIndex last);
 
 public:
     void

src/xrpld/overlay/detail/PeerImp.cpp

@@ -18,6 +18,7 @@
 #include <xrpl/basics/base64.h>
 #include <xrpl/basics/random.h>
 #include <xrpl/basics/safe_cast.h>
+#include <xrpl/protocol/Feature.h>
 #include <xrpl/protocol/TxFlags.h>
 #include <xrpl/protocol/digest.h>
 
@@ -2589,9 +2590,51 @@ PeerImp::onMessage(std::shared_ptr<protocol::TMGetObjectByHash> const& m)
             reply.set_ledgerhash(packet.ledgerhash());
         }
 
-        fee_.update(
-            Resource::feeModerateBurdenPeer,
-            " received a get object by hash request");
+        // Get validated rules to check if the fix is enabled
+        auto const rules = app_.getLedgerMaster().getValidatedRules();
+
+        // Charge resource fee based on request size when fix is enabled
+        if (rules.enabled(fixTMGetObjectByHashLimit))
+        {
+            // Enforce per-request object cap
+            if (packet.objects_size() > Tuning::maxGetObjectByHash)
+            {
+                fee_.update(Resource::feeMalformedRequest, "too many objects");
+                return;
+            }
+
+            // Charge heavier fee for large requests (>256 objects)
+            if (packet.objects_size() > 256)
+            {
+                fee_.update(
+                    Resource::feeHeavyBurdenPeer,
+                    "large get object by hash request");
+            }
+            else if (packet.objects_size() > 64)
+            {
+                fee_.update(
+                    Resource::feeModerateBurdenPeer,
+                    "moderate get object by hash request");
+            }
+            else
+            {
+                fee_.update(
+                    Resource::feeTrivialPeer,
+                    "small get object by hash request");
+            }
+        }
+        else
+        {
+            // Legacy behavior: charge moderate fee for all requests
+            fee_.update(
+                Resource::feeModerateBurdenPeer,
+                "received a get object by hash request");
+        }
+
+        // Track reply bytes and stop when over budget (16 MiB) when fix is enabled
+        std::size_t replyBudgetBytes =
+            rules.enabled(fixTMGetObjectByHashLimit) ? megabytes(16) : 0;
+        std::size_t replyBytes = 0;
 
         // This is a very minimal implementation
         for (int i = 0; i < packet.objects_size(); ++i)
@@ -2606,17 +2649,28 @@ PeerImp::onMessage(std::shared_ptr<protocol::TMGetObjectByHash> const& m)
                 auto nodeObject{app_.getNodeStore().fetchNodeObject(hash, seq)};
                 if (nodeObject)
                 {
+                    auto const dataSz = nodeObject->getData().size();
+                    // Check if adding this object would exceed the reply budget
+                    // (only when fix is enabled)
+                    if (replyBudgetBytes > 0 &&
+                        replyBytes + dataSz + 64 > replyBudgetBytes)
+                        break;
+
                     protocol::TMIndexedObject& newObj = *reply.add_objects();
                     newObj.set_hash(hash.begin(), hash.size());
                     newObj.set_data(
                         &nodeObject->getData().front(),
-                        nodeObject->getData().size());
+                        dataSz);
 
                     if (obj.has_nodeid())
                         newObj.set_index(obj.nodeid());
                     if (obj.has_ledgerseq())
                         newObj.set_ledgerseq(obj.ledgerseq());
 
+                    // Track reply bytes when fix is enabled
+                    if (replyBudgetBytes > 0)
+                        replyBytes += dataSz + 64;  // include modest overhead estimate
+
                     // VFALCO NOTE "seq" in the message is obsolete
                 }
             }

src/xrpld/overlay/detail/Tuning.h

@@ -22,6 +22,9 @@ enum {
     /** The hard cap on the number of ledger entries in a single reply. */
     hardMaxReplyNodes = 12288,
 
+    /** Hard cap on TMGetObjectByHash objects per request (non-TRANSACTIONS). */
+    maxGetObjectByHash = 1024,
+
     /** How many timer intervals a sendq has to stay large before we disconnect
      */
     sendqIntervals = 4,