fix pre-commit issues

Co-authored-by: mvadari <8029314+mvadari@users.noreply.github.com>

.github/scripts/levelization/results/ordering.txt

@@ -44,7 +44,6 @@ libxrpl.tx > xrpl.server
 libxrpl.tx > xrpl.tx
 test.app > test.jtx
 test.app > test.rpc
-test.app > test.shamap
 test.app > test.toplevel
 test.app > test.unit_test
 test.app > xrpl.basics
@@ -60,7 +59,6 @@ test.app > xrpl.protocol
 test.app > xrpl.rdb
 test.app > xrpl.resource
 test.app > xrpl.server
-test.app > xrpl.shamap
 test.app > xrpl.tx
 test.basics > test.jtx
 test.basics > test.unit_test

.github/scripts/rename/copyright.sh

@@ -76,11 +76,11 @@ fi
 if ! grep -q 'Dev Null' src/test/rpc/ValidatorInfo_test.cpp; then
   echo -e "// Copyright (c) 2020 Dev Null Productions\n\n$(cat src/test/rpc/ValidatorInfo_test.cpp)" > src/test/rpc/ValidatorInfo_test.cpp
 fi
-if ! grep -q 'Dev Null' src/xrpld/rpc/handlers/DoManifest.cpp; then
-  echo -e "// Copyright (c) 2019 Dev Null Productions\n\n$(cat src/xrpld/rpc/handlers/DoManifest.cpp)" > src/xrpld/rpc/handlers/DoManifest.cpp
+if ! grep -q 'Dev Null' src/xrpld/rpc/handlers/server_info/Manifest.cpp; then
+  echo -e "// Copyright (c) 2019 Dev Null Productions\n\n$(cat src/xrpld/rpc/handlers/server_info/Manifest.cpp)" > src/xrpld/rpc/handlers/server_info/Manifest.cpp
 fi
-if ! grep -q 'Dev Null' src/xrpld/rpc/handlers/ValidatorInfo.cpp; then
-  echo -e "// Copyright (c) 2019 Dev Null Productions\n\n$(cat src/xrpld/rpc/handlers/ValidatorInfo.cpp)" > src/xrpld/rpc/handlers/ValidatorInfo.cpp
+if ! grep -q 'Dev Null' src/xrpld/rpc/handlers/admin/status/ValidatorInfo.cpp; then
+  echo -e "// Copyright (c) 2019 Dev Null Productions\n\n$(cat src/xrpld/rpc/handlers/admin/status/ValidatorInfo.cpp)" > src/xrpld/rpc/handlers/admin/status/ValidatorInfo.cpp
 fi
 if ! grep -q 'Bougalis' include/xrpl/basics/SlabAllocator.h; then
   echo -e "// Copyright (c) 2022, Nikolaos D. Bougalis <nikb@bougalis.net>\n\n$(cat include/xrpl/basics/SlabAllocator.h)" > include/xrpl/basics/SlabAllocator.h # cspell: ignore Nikolaos Bougalis nikb

.github/workflows/check-pr-commits.yml

@@ -10,4 +10,4 @@ permissions:
 
 jobs:
   check_commits:
-    uses: XRPLF/actions/.github/workflows/check-pr-commits.yml@481048b78b94ac3343d1292b4ef125a813879f2b
+    uses: XRPLF/actions/.github/workflows/check-pr-commits.yml@e2c7f400d1e85ae65dad552fd425169fbacca4a3

.github/workflows/check-pr-title.yml

@@ -11,4 +11,4 @@ on:
 jobs:
   check_title:
     if: ${{ github.event.pull_request.draft != true }}
-    uses: XRPLF/actions/.github/workflows/check-pr-title.yml@e2c7f400d1e85ae65dad552fd425169fbacca4a3
+    uses: XRPLF/actions/.github/workflows/check-pr-title.yml@a5d8dd35be543365e90a11358447130c8763871d

.github/workflows/pre-commit.yml

@@ -14,7 +14,7 @@ on:
 jobs:
   # Call the workflow in the XRPLF/actions repo that runs the pre-commit hooks.
   run-hooks:
-    uses: XRPLF/actions/.github/workflows/pre-commit.yml@e7896f15cc60d0da1a272c77ee5c4026b424f9c7
+    uses: XRPLF/actions/.github/workflows/pre-commit.yml@9307df762265e15c745ddcdb38a581c989f7f349
     with:
       runs_on: ubuntu-latest
       container: '{ "image": "ghcr.io/xrplf/ci/tools-rippled-pre-commit:sha-41ec7c1" }'

.github/workflows/publish-docs.yml

@@ -47,7 +47,7 @@ jobs:
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Prepare runner
-        uses: XRPLF/actions/prepare-runner@2bbc2dc1abeec7bfaa886804ab86871ac201764e
+        uses: XRPLF/actions/prepare-runner@90f11ee655d1687824fb8793db770477d52afbab
         with:
           enable_ccache: false
 

.github/workflows/reusable-build-test-config.yml

@@ -107,7 +107,7 @@ jobs:
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Prepare runner
-        uses: XRPLF/actions/prepare-runner@2bbc2dc1abeec7bfaa886804ab86871ac201764e
+        uses: XRPLF/actions/prepare-runner@90f11ee655d1687824fb8793db770477d52afbab
         with:
           enable_ccache: ${{ inputs.ccache_enabled }}
 

.github/workflows/reusable-clang-tidy-files.yml

@@ -35,7 +35,7 @@ jobs:
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Prepare runner
-        uses: XRPLF/actions/prepare-runner@2bbc2dc1abeec7bfaa886804ab86871ac201764e
+        uses: XRPLF/actions/prepare-runner@90f11ee655d1687824fb8793db770477d52afbab
         with:
           enable_ccache: false
 

.github/workflows/upload-conan-deps.yml

@@ -70,7 +70,7 @@ jobs:
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Prepare runner
-        uses: XRPLF/actions/prepare-runner@2bbc2dc1abeec7bfaa886804ab86871ac201764e
+        uses: XRPLF/actions/prepare-runner@90f11ee655d1687824fb8793db770477d52afbab
         with:
           enable_ccache: false
 

API-CHANGELOG.md

@@ -34,6 +34,7 @@ This section contains changes targeting a future version.
   - `TRANSACTION_FLAGS`: Maps transaction type names to their supported flags and flag values.
   - `LEDGER_ENTRY_FLAGS`: Maps ledger entry type names to their flags and flag values.
   - `ACCOUNT_SET_FLAGS`: Maps AccountSet flag names (asf flags) to their numeric values.
+- `submit`: Augmented response fields (`accepted`, `applied`, `broadcast`, `queued`, `kept`, `account_sequence_next`, `account_sequence_available`, `open_ledger_cost`, `validated_ledger_index`) are now included in sign-and-submit mode. Previously, these fields were only returned when submitting a binary transaction blob.
 
 ### Bugfixes
 
@@ -88,6 +89,12 @@ This release contains bug fixes only and no API changes.
 
 This release contains bug fixes only and no API changes.
 
+## Unreleased Changes
+
+### Additions and bugfixes
+
+- `submit`: Augmented response fields (`accepted`, `applied`, `broadcast`, `queued`, `kept`, `account_sequence_next`, `account_sequence_available`, `open_ledger_cost`, `validated_ledger_index`) are now included in sign-and-submit mode. Previously, these fields were only returned when submitting a binary transaction blob. ([#6304](https://github.com/XRPLF/rippled/pull/6304))
+
 ## XRP Ledger server version 2.5.0
 
 [Version 2.5.0](https://github.com/XRPLF/rippled/releases/tag/2.5.0) was released on Jun 24, 2025.

include/xrpl/basics/Slice.h

@@ -11,7 +11,6 @@
 #include <limits>
 #include <stdexcept>
 #include <string>
-#include <string_view>
 #include <type_traits>
 #include <vector>
 
@@ -232,11 +231,4 @@ makeSlice(std::basic_string<char, Traits, Alloc> const& s)
     return Slice(s.data(), s.size());
 }
 
-template <class Traits>
-Slice
-makeSlice(std::basic_string_view<char, Traits> const& s)
-{
-    return Slice(s.data(), s.size());
-}
-
 }  // namespace xrpl

include/xrpl/proto/xrpl.proto

@@ -244,15 +244,7 @@ message TMGetObjectByHash {
 
 message TMLedgerNode {
   required bytes nodedata = 1;
-
-  // Used when protocol version <2.3. Not set for ledger base data.
-  optional bytes nodeid = 2;
-
-  // Used when protocol version >=2.3. Neither value is set for ledger base data.
-  oneof reference {
-    bytes id = 3;      // Set for inner nodes.
-    uint32 depth = 4;  // Set for leaf nodes.
-  }
+  optional bytes nodeid = 2;  // missing for ledger base data
 }
 
 enum TMLedgerInfoType {

include/xrpl/shamap/SHAMap.h

@@ -16,7 +16,6 @@
 
 #include <set>
 #include <stack>
-#include <tuple>
 #include <vector>
 
 namespace xrpl {
@@ -254,7 +253,7 @@ public:
     bool
     getNodeFat(
         SHAMapNodeID const& wanted,
-        std::vector<std::tuple<SHAMapNodeID, Blob, bool>>& data,
+        std::vector<std::pair<SHAMapNodeID, Blob>>& data,
         bool fatLeaves,
         std::uint32_t depth) const;
 
@@ -281,45 +280,10 @@ public:
     void
     serializeRoot(Serializer& s) const;
 
-    /** Add a root node to the SHAMap during synchronization.
-     *
-     * This function is used when receiving the root node of a SHAMap from a peer during ledger
-     * synchronization. The node must already have been deserialized.
-     *
-     * @param hash The expected hash of the root node.
-     * @param rootNode A deserialized root node to add.
-     * @param filter Optional sync filter to track received nodes.
-     * @return Status indicating whether the node was useful, duplicate, or invalid.
-     *
-     * @note This function expects the rootNode to be a valid, deserialized SHAMapTreeNode. The
-     *       caller is responsible for deserialization and basic validation before calling this
-     *       function.
-     */
     SHAMapAddNode
-    addRootNode(
-        SHAMapHash const& hash,
-        intr_ptr::SharedPtr<SHAMapTreeNode> rootNode,
-        SHAMapSyncFilter const* filter);
-
-    /** Add a known node at a specific position in the SHAMap during synchronization.
-     *
-     * This function is used when receiving nodes from peers during ledger synchronization. The node
-     * is inserted at the position specified by nodeID. The node must already have been
-     * deserialized.
-     *
-     * @param nodeID The position in the tree where this node belongs.
-     * @param treeNode A deserialized tree node to add.
-     * @param filter Optional sync filter to track received nodes.
-     * @return Status indicating whether the node was useful, duplicate, or invalid.
-     *
-     * @note This function expects that the caller has already validated that the nodeID is
-     * consistent with the node's content.
-     */
+    addRootNode(SHAMapHash const& hash, Slice const& rootNode, SHAMapSyncFilter* filter);
     SHAMapAddNode
-    addKnownNode(
-        SHAMapNodeID const& nodeID,
-        intr_ptr::SharedPtr<SHAMapTreeNode> treeNode,
-        SHAMapSyncFilter const* filter);
+    addKnownNode(SHAMapNodeID const& nodeID, Slice const& rawNode, SHAMapSyncFilter* filter);
 
     // status functions
     void
@@ -380,11 +344,11 @@ private:
     intr_ptr::SharedPtr<SHAMapTreeNode>
     fetchNodeNT(SHAMapHash const& hash) const;
     intr_ptr::SharedPtr<SHAMapTreeNode>
-    fetchNodeNT(SHAMapHash const& hash, SHAMapSyncFilter const* filter) const;
+    fetchNodeNT(SHAMapHash const& hash, SHAMapSyncFilter* filter) const;
     intr_ptr::SharedPtr<SHAMapTreeNode>
     fetchNode(SHAMapHash const& hash) const;
     intr_ptr::SharedPtr<SHAMapTreeNode>
-    checkFilter(SHAMapHash const& hash, SHAMapSyncFilter const* filter) const;
+    checkFilter(SHAMapHash const& hash, SHAMapSyncFilter* filter) const;
 
     /** Update hashes up to the root */
     void
@@ -456,7 +420,7 @@ private:
     descendAsync(
         SHAMapInnerNode* parent,
         int branch,
-        SHAMapSyncFilter const* filter,
+        SHAMapSyncFilter* filter,
         bool& pending,
         descendCallback&&) const;
 
@@ -465,7 +429,7 @@ private:
         SHAMapInnerNode* parent,
         SHAMapNodeID const& parentID,
         int branch,
-        SHAMapSyncFilter const* filter) const;
+        SHAMapSyncFilter* filter) const;
 
     // Non-storing
     // Does not hook the returned node to its parent

src/libxrpl/shamap/SHAMap.cpp

@@ -179,7 +179,7 @@ SHAMap::finishFetch(SHAMapHash const& hash, std::shared_ptr<NodeObject> const& o
 
 // See if a sync filter has a node
 intr_ptr::SharedPtr<SHAMapTreeNode>
-SHAMap::checkFilter(SHAMapHash const& hash, SHAMapSyncFilter const* filter) const
+SHAMap::checkFilter(SHAMapHash const& hash, SHAMapSyncFilter* filter) const
 {
     if (auto nodeData = filter->getNode(hash))
     {
@@ -205,7 +205,7 @@ SHAMap::checkFilter(SHAMapHash const& hash, SHAMapSyncFilter const* filter) cons
 // Get a node without throwing
 // Used on maps where missing nodes are expected
 intr_ptr::SharedPtr<SHAMapTreeNode>
-SHAMap::fetchNodeNT(SHAMapHash const& hash, SHAMapSyncFilter const* filter) const
+SHAMap::fetchNodeNT(SHAMapHash const& hash, SHAMapSyncFilter* filter) const
 {
     auto node = cacheLookup(hash);
     if (node)
@@ -318,7 +318,7 @@ SHAMap::descend(
     SHAMapInnerNode* parent,
     SHAMapNodeID const& parentID,
     int branch,
-    SHAMapSyncFilter const* filter) const
+    SHAMapSyncFilter* filter) const
 {
     XRPL_ASSERT(parent->isInner(), "xrpl::SHAMap::descend : valid parent input");
     XRPL_ASSERT(
@@ -347,7 +347,7 @@ SHAMapTreeNode*
 SHAMap::descendAsync(
     SHAMapInnerNode* parent,
     int branch,
-    SHAMapSyncFilter const* filter,
+    SHAMapSyncFilter* filter,
     bool& pending,
     descendCallback&& callback) const
 {

src/libxrpl/shamap/SHAMapNodeID.cpp

@@ -122,9 +122,7 @@ selectBranch(SHAMapNodeID const& id, uint256 const& hash)
 SHAMapNodeID
 SHAMapNodeID::createID(int depth, uint256 const& key)
 {
-    XRPL_ASSERT(
-        depth >= 0 && depth <= SHAMap::leafDepth,
-        "xrpl::SHAMapNodeID::createID : valid branch input");
+    XRPL_ASSERT((depth >= 0) && (depth < 65), "xrpl::SHAMapNodeID::createID : valid branch input");
     return SHAMapNodeID(depth, key & depthMask(depth));
 }
 

src/libxrpl/shamap/SHAMapSync.cpp

@@ -392,7 +392,7 @@ SHAMap::getMissingNodes(int max, SHAMapSyncFilter* filter)
 bool
 SHAMap::getNodeFat(
     SHAMapNodeID const& wanted,
-    std::vector<std::tuple<SHAMapNodeID, Blob, bool>>& data,
+    std::vector<std::pair<SHAMapNodeID, Blob>>& data,
     bool fatLeaves,
     std::uint32_t depth) const
 {
@@ -438,7 +438,7 @@ SHAMap::getNodeFat(
         // Add this node to the reply
         s.erase();
         node->serializeForWire(s);
-        data.emplace_back(std::make_tuple(nodeID, s.getData(), node->isLeaf()));
+        data.emplace_back(std::make_pair(nodeID, s.getData()));
 
         if (node->isInner())
         {
@@ -468,8 +468,7 @@ SHAMap::getNodeFat(
                             // Just include this node
                             s.erase();
                             childNode->serializeForWire(s);
-                            data.emplace_back(
-                                std::make_tuple(childID, s.getData(), childNode->isLeaf()));
+                            data.emplace_back(std::make_pair(childID, s.getData()));
                         }
                     }
                 }
@@ -487,18 +486,8 @@ SHAMap::serializeRoot(Serializer& s) const
 }
 
 SHAMapAddNode
-SHAMap::addRootNode(
-    SHAMapHash const& hash,
-    intr_ptr::SharedPtr<SHAMapTreeNode> rootNode,
-    SHAMapSyncFilter const* filter)
+SHAMap::addRootNode(SHAMapHash const& hash, Slice const& rootNode, SHAMapSyncFilter* filter)
 {
-    XRPL_ASSERT(rootNode, "xrpl::SHAMap::addRootNode : non-null root node");
-    if (!rootNode)
-    {
-        JLOG(journal_.error()) << "Null node received";
-        return SHAMapAddNode::invalid();
-    }
-
     // we already have a root_ node
     if (root_->getHash().isNonZero())
     {
@@ -508,16 +497,14 @@ SHAMap::addRootNode(
     }
 
     XRPL_ASSERT(cowid_ >= 1, "xrpl::SHAMap::addRootNode : valid cowid");
-    if (rootNode->getHash() != hash)
-    {
-        JLOG(journal_.warn()) << "Corrupt node received";
+    auto node = SHAMapTreeNode::makeFromWire(rootNode);
+    if (!node || node->getHash() != hash)
         return SHAMapAddNode::invalid();
-    }
 
     if (backed_)
-        canonicalize(hash, rootNode);
+        canonicalize(hash, node);
 
-    root_ = std::move(rootNode);
+    root_ = node;
 
     if (root_->isLeaf())
         clearSynching();
@@ -534,23 +521,9 @@ SHAMap::addRootNode(
 }
 
 SHAMapAddNode
-SHAMap::addKnownNode(
-    SHAMapNodeID const& nodeID,
-    intr_ptr::SharedPtr<SHAMapTreeNode> treeNode,
-    SHAMapSyncFilter const* filter)
+SHAMap::addKnownNode(SHAMapNodeID const& node, Slice const& rawNode, SHAMapSyncFilter* filter)
 {
-    XRPL_ASSERT(!nodeID.isRoot(), "xrpl::SHAMap::addKnownNode : valid node input");
-    if (nodeID.isRoot())
-    {
-        JLOG(journal_.error()) << "Root node received";
-        return SHAMapAddNode::invalid();
-    }
-    XRPL_ASSERT(treeNode, "xrpl::SHAMap::addKnownNode : non-null tree node");
-    if (!treeNode)
-    {
-        JLOG(journal_.error()) << "Null node received";
-        return SHAMapAddNode::invalid();
-    }
+    XRPL_ASSERT(!node.isRoot(), "xrpl::SHAMap::addKnownNode : valid node input");
 
     if (!isSynching())
     {
@@ -564,14 +537,14 @@ SHAMap::addKnownNode(
 
     while (currNode->isInner() &&
            !safe_downcast<SHAMapInnerNode*>(currNode)->isFullBelow(generation) &&
-           (currNodeID.getDepth() < nodeID.getDepth()))
+           (currNodeID.getDepth() < node.getDepth()))
     {
-        int const branch = selectBranch(currNodeID, nodeID.getNodeID());
+        int const branch = selectBranch(currNodeID, node.getNodeID());
         XRPL_ASSERT(branch >= 0, "xrpl::SHAMap::addKnownNode : valid branch");
         auto inner = safe_downcast<SHAMapInnerNode*>(currNode);
         if (inner->isEmptyBranch(branch))
         {
-            JLOG(journal_.warn()) << "Add known node for empty branch" << nodeID;
+            JLOG(journal_.warn()) << "Add known node for empty branch" << node;
             return SHAMapAddNode::invalid();
         }
 
@@ -587,44 +560,67 @@ SHAMap::addKnownNode(
         if (currNode != nullptr)
             continue;
 
-        if (childHash != treeNode->getHash())
+        auto newNode = SHAMapTreeNode::makeFromWire(rawNode);
+
+        if (!newNode || childHash != newNode->getHash())
         {
             JLOG(journal_.warn()) << "Corrupt node received";
             return SHAMapAddNode::invalid();
         }
 
+        // In rare cases, a node can still be corrupt even after hash
+        // validation. For leaf nodes, we perform an additional check to
+        // ensure the node's position in the tree is consistent with its
+        // content to prevent inconsistencies that could
+        // propagate further down the line.
+        if (newNode->isLeaf())
+        {
+            auto const& actualKey =
+                safe_downcast<SHAMapLeafNode const*>(newNode.get())->peekItem()->key();
+
+            // Validate that this leaf belongs at the target position
+            auto const expectedNodeID = SHAMapNodeID::createID(node.getDepth(), actualKey);
+            if (expectedNodeID.getNodeID() != node.getNodeID())
+            {
+                JLOG(journal_.debug())
+                    << "Leaf node position mismatch: "
+                    << "expected=" << expectedNodeID.getNodeID() << ", actual=" << node.getNodeID();
+                return SHAMapAddNode::invalid();
+            }
+        }
+
         // Inner nodes must be at a level strictly less than 64
         // but leaf nodes (while notionally at level 64) can be
         // at any depth up to and including 64:
         if ((currNodeID.getDepth() > leafDepth) ||
-            (treeNode->isInner() && currNodeID.getDepth() == leafDepth))
+            (newNode->isInner() && currNodeID.getDepth() == leafDepth))
         {
             // Map is provably invalid
             state_ = SHAMapState::Invalid;
             return SHAMapAddNode::useful();
         }
 
-        if (currNodeID != nodeID)
+        if (currNodeID != node)
         {
             // Either this node is broken or we didn't request it (yet)
-            JLOG(journal_.warn()) << "unable to hook node " << nodeID;
+            JLOG(journal_.warn()) << "unable to hook node " << node;
             JLOG(journal_.info()) << " stuck at " << currNodeID;
-            JLOG(journal_.info()) << "got depth=" << nodeID.getDepth()
+            JLOG(journal_.info()) << "got depth=" << node.getDepth()
                                   << ", walked to= " << currNodeID.getDepth();
             return SHAMapAddNode::useful();
         }
 
         if (backed_)
-            canonicalize(childHash, treeNode);
+            canonicalize(childHash, newNode);
 
-        treeNode = prevNode->canonicalizeChild(branch, std::move(treeNode));
+        newNode = prevNode->canonicalizeChild(branch, std::move(newNode));
 
         if (filter != nullptr)
         {
             Serializer s;
-            treeNode->serializeWithPrefix(s);
+            newNode->serializeWithPrefix(s);
             filter->gotNode(
-                false, childHash, ledgerSeq_, std::move(s.modData()), treeNode->getType());
+                false, childHash, ledgerSeq_, std::move(s.modData()), newNode->getType());
         }
 
         return SHAMapAddNode::useful();

src/libxrpl/tx/Transactor.cpp

@@ -363,6 +363,13 @@ Transactor::checkFee(PreclaimContext const& ctx, XRPAmount baseFee)
 
     auto const balance = (*sle)[sfBalance].xrp();
 
+    // NOTE: Because preclaim evaluates against a static readview, it
+    // does not reflect fee deductions from other transactions paid by
+    // the same account within the current ledger.
+    // As a result, if an account's balance is over-committed across multiple
+    // transactions, this check may pass optimistically.
+    // The fee shortfall will be handled by the Transactor::reset mechanism,
+    // which caps the fee to the remaining actual balance.
     if (balance < feePaid)
     {
         JLOG(ctx.j.trace()) << "Insufficient balance:" << " balance=" << to_string(balance)

src/libxrpl/tx/transactors/payment/Payment.cpp

@@ -559,18 +559,23 @@ Payment::doApply()
     // This is the total reserve in drops.
     auto const reserve = view().fees().accountReserve(ownerCount);
 
-    // preFeeBalance_ is the balance on the sending account BEFORE the
-    // fees were charged. We want to make sure we have enough reserve
-    // to send. Allow final spend to use reserve for fee.
-    auto const mmm = std::max(reserve, ctx_.tx.getFieldAmount(sfFee).xrp());
+    // In a delegated payment, the fee payer is the delegated account,
+    // not the source account (account_).
+    bool const accountIsPayer = (ctx_.tx.getFeePayer() == account_);
 
-    if (preFeeBalance_ < dstAmount.xrp() + mmm)
+    // preFeeBalance_ is the balance on the source account (account_) BEFORE the fees
+    // were charged. If source account is the fee payer, it must also cover the fee.
+    // The final spend may use the reserve to cover fees.
+    auto const minRequiredFunds =
+        accountIsPayer ? std::max(reserve, ctx_.tx.getFieldAmount(sfFee).xrp()) : reserve;
+
+    if (preFeeBalance_ < dstAmount.xrp() + minRequiredFunds)
     {
         // Vote no. However the transaction might succeed, if applied in
         // a different order.
         JLOG(j_.trace()) << "Delay transaction: Insufficient funds: " << to_string(preFeeBalance_)
-                         << " / " << to_string(dstAmount.xrp() + mmm) << " (" << to_string(reserve)
-                         << ")";
+                         << " / " << to_string(dstAmount.xrp() + minRequiredFunds) << " ("
+                         << to_string(reserve) << ")";
 
         return tecUNFUNDED_PAYMENT;
     }

src/test/app/Delegate_test.cpp

@@ -274,37 +274,42 @@ class Delegate_test : public beast::unit_test::suite
         testcase("test fee");
         using namespace jtx;
 
-        Env env(*this);
-        Account const alice{"alice"};
-        Account const bob{"bob"};
-        Account const carol{"carol"};
-        env.fund(XRP(10000), alice, carol);
-        env.fund(XRP(1000), bob);
-        env.close();
+        // Common setup: fund alice, bob, carol with 1000 XRP.
+        auto setup = [&](Env& env) {
+            Account const alice{"alice"};
+            Account const bob{"bob"};
+            Account const carol{"carol"};
+            env.fund(XRP(1000), alice, bob, carol);
+            env.close();
+            return std::make_tuple(alice, bob, carol);
+        };
 
+        // No fee deduction for terNO_DELEGATE_PERMISSION.
         {
-            auto aliceBalance = env.balance(alice);
-            auto bobBalance = env.balance(bob);
-            auto carolBalance = env.balance(carol);
+            Env env(*this);
+            auto [alice, bob, carol] = setup(env);
 
-            env(pay(alice, carol, XRP(100)),
-                fee(XRP(2000)),
-                delegate::as(bob),
-                ter(terNO_DELEGATE_PERMISSION));
+            auto const aliceBalance = env.balance(alice);
+            auto const bobBalance = env.balance(bob);
+            auto const carolBalance = env.balance(carol);
+
+            env(pay(alice, carol, XRP(100)), delegate::as(bob), ter(terNO_DELEGATE_PERMISSION));
             env.close();
             BEAST_EXPECT(env.balance(alice) == aliceBalance);
             BEAST_EXPECT(env.balance(bob) == bobBalance);
             BEAST_EXPECT(env.balance(carol) == carolBalance);
         }
 
-        env(delegate::set(alice, bob, {"Payment"}));
-        env.close();
-
+        // Delegate pays the fee successfully.
         {
-            // Delegate pays the fee
-            auto aliceBalance = env.balance(alice);
-            auto bobBalance = env.balance(bob);
-            auto carolBalance = env.balance(carol);
+            Env env(*this);
+            auto [alice, bob, carol] = setup(env);
+            env(delegate::set(alice, bob, {"Payment"}));
+            env.close();
+
+            auto const aliceBalance = env.balance(alice);
+            auto const bobBalance = env.balance(bob);
+            auto const carolBalance = env.balance(carol);
 
             auto const sendAmt = XRP(100);
             auto const feeAmt = XRP(10);
@@ -315,11 +320,16 @@ class Delegate_test : public beast::unit_test::suite
             BEAST_EXPECT(env.balance(carol) == carolBalance + sendAmt);
         }
 
+        // Bob has insufficient balance to pay the fee, will get terINSUF_FEE_B.
         {
-            // insufficient balance to pay fee
-            auto aliceBalance = env.balance(alice);
-            auto bobBalance = env.balance(bob);
-            auto carolBalance = env.balance(carol);
+            Env env(*this);
+            auto [alice, bob, carol] = setup(env);
+            env(delegate::set(alice, bob, {"Payment"}));
+            env.close();
+
+            auto const aliceBalance = env.balance(alice);
+            auto const bobBalance = env.balance(bob);
+            auto const carolBalance = env.balance(carol);
 
             env(pay(alice, carol, XRP(100)),
                 fee(XRP(2000)),
@@ -331,22 +341,143 @@ class Delegate_test : public beast::unit_test::suite
             BEAST_EXPECT(env.balance(carol) == carolBalance);
         }
 
+        // The delegated account has enough balance to pay and delegator has enough reserve
         {
-            // fee is paid by Delegate
-            // on context reset (tec error)
-            auto aliceBalance = env.balance(alice);
-            auto bobBalance = env.balance(bob);
-            auto carolBalance = env.balance(carol);
-            auto const feeAmt = XRP(10);
+            // Common setup: fund accounts and grant Bob permission to pay on Alice's behalf.
+            // Alice is funded with exactly (paymentAmount + reserve + baseFee): baseFee covers
+            // the DelegateSet tx cost, leaving Alice with exactly (paymentAmount + reserve).
+            // highFee = reserve + baseFee, strictly greater than reserve, so that
+            // max(reserve, highFee) = highFee — making the direct payment check fail.
+            auto setup = [&](Env& env) {
+                Account const alice{"alice"};
+                Account const bob{"bob"};
+                Account const carol{"carol"};
 
-            env(pay(alice, carol, XRP(20000)),
-                fee(feeAmt),
-                delegate::as(bob),
-                ter(tecUNFUNDED_PAYMENT));
+                auto const baseFee = env.current()->fees().base;
+                auto const reserve = env.current()->fees().accountReserve(1);
+                auto const paymentAmount = XRP(1);
+                auto const highFee = reserve + baseFee;
+                BEAST_EXPECT(highFee > reserve);
+
+                env.fund(paymentAmount + reserve + baseFee, alice);
+                env.fund(XRP(1000), bob);
+                env.fund(XRP(1000), carol);
+                env.close();
+
+                env(delegate::set(alice, bob, {"Payment"}));
+                env.close();
+
+                env.require(balance(alice, paymentAmount + reserve));
+
+                return std::make_tuple(alice, bob, carol, paymentAmount, highFee, reserve);
+            };
+
+            // Alice's balance (paymentAmount + reserve) is insufficient to cover both
+            // the payment and highFee directly. Even though fees are allowed to dip
+            // below reserve, when Alice pays the fee herself the required funds =
+            // paymentAmount + max(reserve, highFee) = paymentAmount + highFee
+            // (since highFee > reserve), which still exceeds her balance.
+            // tec: highFee is consumed from Alice's balance.
+            {
+                Env env(*this);
+                auto [alice, bob, carol, paymentAmount, highFee, reserve] = setup(env);
+                auto const aliceBalance = env.balance(alice);
+                auto const bobBalance = env.balance(bob);
+                auto const carolBalance = env.balance(carol);
+
+                env(pay(alice, carol, paymentAmount), fee(highFee), ter(tecUNFUNDED_PAYMENT));
+
+                // tec consumes the fee from Alice; carol and bob are unaffected.
+                BEAST_EXPECT(env.balance(alice) == aliceBalance - highFee);
+                BEAST_EXPECT(env.balance(bob) == bobBalance);
+                BEAST_EXPECT(env.balance(carol) == carolBalance);
+            }
+
+            // The payment succeeds because the delegated account pays the fee.
+            // Alice only needs (paymentAmount + reserve).
+            {
+                Env env(*this);
+                auto [alice, bob, carol, paymentAmount, highFee, reserve] = setup(env);
+
+                auto const alicePrePay = env.balance(alice, XRP);
+                auto const bobPrePay = env.balance(bob, XRP);
+                auto const carolPrePay = env.balance(carol, XRP);
+
+                env(pay(alice, carol, paymentAmount), delegate::as(bob), fee(highFee));
+                env.close();
+
+                env.require(balance(alice, alicePrePay - paymentAmount));
+                env.require(balance(bob, bobPrePay - highFee));
+                env.require(balance(carol, carolPrePay + paymentAmount));
+            }
+        }
+
+        // Delegated account can pay the fee even if it dips below reserve.
+        {
+            Env env(*this);
+            Account const alice{"alice"};
+            Account const bob{"bob"};
+            Account const carol{"carol"};
+
+            auto const baseFee = env.current()->fees().base;
+            auto const baseReserve = env.current()->fees().accountReserve(0);
+
+            env.fund(env.current()->fees().accountReserve(1) + baseFee + XRP(1), alice);
+            env.fund(baseReserve, bob);
+            env.fund(XRP(1000), carol);
             env.close();
-            BEAST_EXPECT(env.balance(alice) == aliceBalance);
-            BEAST_EXPECT(env.balance(bob) == bobBalance - feeAmt);
-            BEAST_EXPECT(env.balance(carol) == carolBalance);
+
+            env(delegate::set(alice, bob, {"Payment"}));
+            env.close();
+
+            auto const alicePreTx = env.balance(alice, XRP);
+            auto const bobPreTx = env.balance(bob, XRP);
+
+            // After paying for this transaction, bob's balance will
+            // dip below the base reserve
+            env(pay(alice, carol, XRP(1)), delegate::as(bob));
+            env.close();
+
+            // Bob's balance is now less than the base reserve.
+            BEAST_EXPECT(env.balance(bob, XRP) < baseReserve);
+            env.require(balance(bob, bobPreTx - drops(baseFee)));
+
+            // Alice's balance only decreased by the 1.0 XRP she sent.
+            env.require(balance(alice, alicePreTx - XRP(1)));
+        }
+
+        // The delegated account has enough balance for the fee, but delegator
+        // runs into tecUNFUNDED_PAYMENT.
+        {
+            Env env(*this);
+            Account const alice{"alice"};
+            Account const bob{"bob"};
+            Account const carol{"carol"};
+
+            auto const baseFee = env.current()->fees().base;
+            auto const reserve = env.current()->fees().accountReserve(1);
+
+            // Alice is funded with (reserve + baseFee): after DelegateSet she has
+            // exactly 'reserve', which is insufficient to send XRP(10) while keeping
+            // reserve. Bob has plenty to pay the fee.
+            env.fund(reserve + baseFee, alice);
+            env.fund(XRP(1000), bob);
+            env.fund(XRP(1000), carol);
+            env.close();
+
+            env(delegate::set(alice, bob, {"Payment"}));
+            env.close();
+
+            auto const alicePrePay = env.balance(alice, XRP);
+            auto const bobPrePay = env.balance(bob, XRP);
+            auto const carolPrePay = env.balance(carol, XRP);
+
+            // Bob pays the fee, but Alice has insufficient balance to send XRP(10).
+            env(pay(alice, carol, XRP(10)), delegate::as(bob), ter(tecUNFUNDED_PAYMENT));
+
+            env.require(balance(alice, alicePrePay));
+            env.require(balance(bob, bobPrePay - drops(baseFee)));
+            env.require(balance(carol, carolPrePay));
         }
     }
 
@@ -1238,8 +1369,8 @@ class Delegate_test : public beast::unit_test::suite
         // test MPTokenIssuanceUnlock and MPTokenIssuanceLock permissions
         {
             Env env(*this);
-            Account alice{"alice"};
-            Account bob{"bob"};
+            Account const alice{"alice"};
+            Account const bob{"bob"};
             env.fund(XRP(100000), alice, bob);
             env.close();
 
@@ -1285,8 +1416,8 @@ class Delegate_test : public beast::unit_test::suite
         // test mix of granular and transaction level permission
         {
             Env env(*this);
-            Account alice{"alice"};
-            Account bob{"bob"};
+            Account const alice{"alice"};
+            Account const bob{"bob"};
             env.fund(XRP(100000), alice, bob);
             env.close();
 
@@ -1332,8 +1463,8 @@ class Delegate_test : public beast::unit_test::suite
         // tfFullyCanonicalSig won't block delegated transaction
         {
             Env env(*this);
-            Account alice{"alice"};
-            Account bob{"bob"};
+            Account const alice{"alice"};
+            Account const bob{"bob"};
             env.fund(XRP(100000), alice, bob);
             env.close();
 
@@ -1410,11 +1541,9 @@ class Delegate_test : public beast::unit_test::suite
 
         {
             Env env(*this);
-
             Account const alice{"alice"};
             Account const bob{"bob"};
             Account const carol{"carol"};
-
             env.fund(XRP(100000), alice, bob, carol);
             env.close();
 
@@ -1448,11 +1577,9 @@ class Delegate_test : public beast::unit_test::suite
 
         {
             Env env(*this);
-
             Account const alice{"alice"};
             Account const bob{"bob"};
             Account const carol{"carol"};
-
             env.fund(XRP(100000), alice, bob, carol);
             env.close();
 
@@ -1567,8 +1694,8 @@ class Delegate_test : public beast::unit_test::suite
 
         Env env(*this, features);
 
-        Account alice{"alice"};
-        Account bob{"bob"};
+        Account const alice{"alice"};
+        Account const bob{"bob"};
         env.fund(XRP(100000), alice, bob);
         env.close();
 

src/test/app/LedgerNodeHelpers_test.cpp

@@ -1,356 +0,0 @@
-#include <test/shamap/common.h>
-
-#include <xrpld/app/ledger/detail/LedgerNodeHelpers.h>
-
-#include <xrpl/beast/unit_test.h>
-#include <xrpl/protocol/messages.h>
-#include <xrpl/shamap/SHAMap.h>
-#include <xrpl/shamap/SHAMapAccountStateLeafNode.h>
-#include <xrpl/shamap/SHAMapInnerNode.h>
-#include <xrpl/shamap/SHAMapItem.h>
-#include <xrpl/shamap/SHAMapTreeNode.h>
-
-#include <bit>
-
-namespace xrpl {
-namespace tests {
-
-class LedgerNodeHelpers_test : public beast::unit_test::suite
-{
-    // Helper function to create a simple SHAMapItem for testing.
-    static boost::intrusive_ptr<SHAMapItem>
-    makeTestItem(std::uint32_t seed)
-    {
-        Serializer s;
-        s.add32(seed);
-        s.add32(seed + 1);
-        s.add32(seed + 2);
-        return make_shamapitem(s.getSHA512Half(), s.slice());
-    }
-
-    // Helper function to serialize a tree node to wire format.
-    static std::string
-    serializeNode(intr_ptr::SharedPtr<SHAMapTreeNode> const& node)
-    {
-        Serializer s;
-        node->serializeForWire(s);
-        auto const slice = s.slice();
-        return std::string(std::bit_cast<char const*>(slice.data()), slice.size());
-    }
-
-    void
-    testValidateLedgerNode()
-    {
-        // In the tests below the validity of the content of the node data and ID fields is not
-        // checked - only that the fields have values when expected. The content of the fields is
-        // verified in the other tests in this file.
-        testcase("validateLedgerNode");
-
-        // Invalid: missing all fields.
-        {
-            protocol::TMLedgerNode const node;
-            BEAST_EXPECT(!validateLedgerNode(node));
-        }
-
-        // Invalid: missing `nodedata` field.
-        {
-            protocol::TMLedgerNode node;
-            node.set_nodeid("test_nodeid");
-            BEAST_EXPECT(!validateLedgerNode(node));
-        }
-
-        // Invalid: missing `nodedata` field.
-        {
-            protocol::TMLedgerNode node;
-            node.set_id("test_nodeid");
-            BEAST_EXPECT(!validateLedgerNode(node));
-        }
-
-        // Invalid: missing `nodedata` field.
-        {
-            protocol::TMLedgerNode node;
-            node.set_depth(1);
-            BEAST_EXPECT(!validateLedgerNode(node));
-        }
-
-        // Valid: legacy `nodeid` field.
-        {
-            protocol::TMLedgerNode node;
-            node.set_nodedata("test_data");
-            node.set_nodeid("test_nodeid");
-            BEAST_EXPECT(validateLedgerNode(node));
-        }
-
-        // Invalid: has both legacy `nodeid` and new `id` fields.
-        {
-            protocol::TMLedgerNode node;
-            node.set_nodedata("test_data");
-            node.set_nodeid("test_nodeid");
-            node.set_id("test_nodeid");
-            BEAST_EXPECT(!validateLedgerNode(node));
-        }
-
-        // Invalid: has both legacy `nodeid` and new `depth` fields.
-        {
-            protocol::TMLedgerNode node;
-            node.set_nodedata("test_data");
-            node.set_nodeid("test_nodeid");
-            node.set_depth(5);
-            BEAST_EXPECT(!validateLedgerNode(node));
-        }
-
-        // Valid: new `id` field.
-        {
-            protocol::TMLedgerNode node;
-            node.set_nodedata("test_data");
-            node.set_id("test_id");
-            BEAST_EXPECT(validateLedgerNode(node));
-        }
-
-        // Valid: new `depth` field.
-        {
-            protocol::TMLedgerNode node;
-            node.set_nodedata("test_data");
-            node.set_depth(5);
-            BEAST_EXPECT(validateLedgerNode(node));
-        }
-
-        // Valid: `depth` at minimum depth.
-        {
-            protocol::TMLedgerNode node;
-            node.set_nodedata("test_data");
-            node.set_depth(0);
-            BEAST_EXPECT(validateLedgerNode(node));
-        }
-
-        // Valid: `depth` at arbitrary depth between minimum and maximum.
-        {
-            protocol::TMLedgerNode node;
-            node.set_nodedata("test_data");
-            node.set_depth(10);
-            BEAST_EXPECT(validateLedgerNode(node));
-        }
-
-        // Valid: `depth` at maximum depth.
-        {
-            protocol::TMLedgerNode node;
-            node.set_nodedata("test_data");
-            node.set_depth(SHAMap::leafDepth);
-            BEAST_EXPECT(validateLedgerNode(node));
-        }
-
-        // Invalid: `depth` is greater than maximum depth.
-        {
-            protocol::TMLedgerNode node;
-            node.set_nodedata("test_data");
-            node.set_depth(SHAMap::leafDepth + 1);
-            BEAST_EXPECT(!validateLedgerNode(node));
-        }
-    }
-
-    void
-    testGetTreeNode()
-    {
-        testcase("getTreeNode");
-
-        // Valid: inner node. It must have at least one child for `serializeNode` to work.
-        {
-            auto const innerNode = intr_ptr::make_shared<SHAMapInnerNode>(1);
-            auto const childNode = intr_ptr::make_shared<SHAMapInnerNode>(1);
-            innerNode->setChild(0, childNode);
-            auto const innerData = serializeNode(innerNode);
-            auto const result = getTreeNode(innerData);
-            BEAST_EXPECT(result.has_value());
-            BEAST_EXPECT((*result)->isInner());
-        }
-
-        // Valid: leaf node.
-        {
-            auto const leafItem = makeTestItem(12345);
-            auto const leafNode = intr_ptr::make_shared<SHAMapAccountStateLeafNode>(leafItem, 1);
-            auto const leafData = serializeNode(leafNode);
-            auto result = getTreeNode(leafData);
-            BEAST_EXPECT(result.has_value());
-            BEAST_EXPECT((*result)->isLeaf());
-        }
-
-        // Invalid: empty data.
-        {
-            auto const result = getTreeNode("");
-            BEAST_EXPECT(!result.has_value());
-        }
-
-        // Invalid: garbage data.
-        {
-            auto const result = getTreeNode("invalid");
-            BEAST_EXPECT(!result.has_value());
-        }
-
-        // Invalid: truncated data.
-        {
-            auto const leafItem = makeTestItem(54321);
-            auto const leafNode = intr_ptr::make_shared<SHAMapAccountStateLeafNode>(leafItem, 1);
-            // Truncate the data to trigger an exception in SHAMapTreeNode::makeAccountState when
-            // the data is used to deserialize the node.
-            uint256 const tag;
-            auto const leafData = serializeNode(leafNode).substr(0, tag.bytes - 1);
-            auto const result = getTreeNode(leafData);
-            BEAST_EXPECT(!result.has_value());
-        }
-    }
-
-    void
-    testGetSHAMapNodeID()
-    {
-        testcase("getSHAMapNodeID");
-
-        {
-            // Tests using inner nodes at various depths.
-            auto const innerNode = intr_ptr::make_shared<SHAMapInnerNode>(1);
-            auto const childNode = intr_ptr::make_shared<SHAMapInnerNode>(1);
-            innerNode->setChild(0, childNode);
-            auto const innerData = serializeNode(innerNode);
-
-            // Valid: legacy `nodeid` field at arbitrary depth.
-            {
-                auto const innerDepth = 3;
-                auto const innerID = SHAMapNodeID::createID(innerDepth, uint256{});
-
-                protocol::TMLedgerNode node;
-                node.set_nodedata(innerData);
-                node.set_nodeid(innerID.getRawString());
-                auto const result = getSHAMapNodeID(node, innerNode);
-                BEAST_EXPECT(result.has_value());
-                BEAST_EXPECT(*result == innerID);
-            }
-
-            // Valid: new `id` field at minimum depth.
-            {
-                auto const innerDepth = 0;
-                auto const innerID = SHAMapNodeID::createID(innerDepth, uint256{});
-
-                protocol::TMLedgerNode node;
-                node.set_nodedata(innerData);
-                node.set_id(innerID.getRawString());
-                auto const result = getSHAMapNodeID(node, innerNode);
-                BEAST_EXPECT(result.has_value());
-                BEAST_EXPECT(*result == innerID);
-            }
-
-            // Invalid: new `depth` field should not be used for inner nodes.
-            {
-                protocol::TMLedgerNode node;
-                node.set_nodedata(innerData);
-                node.set_depth(10);
-                auto const result = getSHAMapNodeID(node, innerNode);
-                BEAST_EXPECT(!result.has_value());
-            }
-        }
-
-        {
-            // Tests using leaf nodes at various depths.
-            auto const leafItem = makeTestItem(12345);
-            auto const leafNode = intr_ptr::make_shared<SHAMapAccountStateLeafNode>(leafItem, 1);
-            auto const leafData = serializeNode(leafNode);
-            auto const leafKey = leafItem->key();
-
-            // Valid: legacy `nodeid` field at arbitrary depth.
-            {
-                auto const leafDepth = 5;
-                auto const leafID = SHAMapNodeID::createID(leafDepth, leafKey);
-
-                protocol::TMLedgerNode ledgerNode;
-                ledgerNode.set_nodedata(leafData);
-                ledgerNode.set_nodeid(leafID.getRawString());
-                auto result = getSHAMapNodeID(ledgerNode, leafNode);
-                BEAST_EXPECT(result.has_value());
-                BEAST_EXPECT(*result == leafID);
-            }
-
-            // Invalid: new `id` field should not be used for leaf nodes.
-            {
-                auto const leafDepth = 5;
-                auto const leafID = SHAMapNodeID::createID(leafDepth, leafKey);
-
-                protocol::TMLedgerNode ledgerNode;
-                ledgerNode.set_nodedata(leafData);
-                ledgerNode.set_id(leafID.getRawString());
-                auto result = getSHAMapNodeID(ledgerNode, leafNode);
-                BEAST_EXPECT(!result.has_value());
-            }
-
-            // Valid: new `depth` field at minimum depth.
-            {
-                auto const leafDepth = 0;
-                auto const leafID = SHAMapNodeID::createID(leafDepth, leafKey);
-
-                protocol::TMLedgerNode node;
-                node.set_nodedata(leafData);
-                node.set_depth(leafDepth);
-                auto result = getSHAMapNodeID(node, leafNode);
-                BEAST_EXPECT(result.has_value());
-                BEAST_EXPECT(*result == leafID);
-            }
-
-            // Valid: new `depth` field at arbitrary depth between minimum and maximum.
-            {
-                auto const leafDepth = 10;
-                auto const leafID = SHAMapNodeID::createID(leafDepth, leafKey);
-
-                protocol::TMLedgerNode ledgerNode;
-                ledgerNode.set_nodedata(leafData);
-                ledgerNode.set_depth(leafDepth);
-                auto result = getSHAMapNodeID(ledgerNode, leafNode);
-                BEAST_EXPECT(result.has_value());
-                BEAST_EXPECT(*result == leafID);
-            }
-
-            // Valid: new `depth` field at maximum depth.
-            // Note that we do not test a depth greater than the maximum depth, because the proto
-            // message is assumed to have been validated by the time the getSHAMapNodeID function is
-            // called.
-            {
-                auto const leafDepth = SHAMap::leafDepth;
-                auto const leafID = SHAMapNodeID::createID(leafDepth, leafKey);
-
-                protocol::TMLedgerNode node;
-                node.set_nodedata(leafData);
-                node.set_depth(leafDepth);
-                auto result = getSHAMapNodeID(node, leafNode);
-                BEAST_EXPECT(result.has_value());
-                BEAST_EXPECT(*result == leafID);
-            }
-
-            // Invalid: legacy `nodeid` field where the node ID is inconsistent with the key.
-            {
-                auto const otherItem = makeTestItem(54321);
-                auto const otherNode =
-                    intr_ptr::make_shared<SHAMapAccountStateLeafNode>(otherItem, 1);
-                auto const otherData = serializeNode(otherNode);
-                auto const otherKey = otherItem->key();
-                auto const otherDepth = 1;
-                auto const otherID = SHAMapNodeID::createID(otherDepth, otherKey);
-
-                protocol::TMLedgerNode ledgerNode;
-                ledgerNode.set_nodedata(otherData);
-                ledgerNode.set_nodeid(otherID.getRawString());
-                auto result = getSHAMapNodeID(ledgerNode, leafNode);
-                BEAST_EXPECT(!result.has_value());
-            }
-        }
-    }
-
-public:
-    void
-    run() override
-    {
-        testValidateLedgerNode();
-        testGetTreeNode();
-        testGetSHAMapNodeID();
-    }
-};
-
-BEAST_DEFINE_TESTSUITE(LedgerNodeHelpers, app, xrpl);
-
-}  // namespace tests
-}  // namespace xrpl

src/test/overlay/ProtocolVersion_test.cpp

@@ -60,8 +60,8 @@ public:
                 negotiateProtocolVersion("RTXP/1.2, XRPL/2.0, XRPL/2.1") == make_protocol(2, 1));
             BEAST_EXPECT(negotiateProtocolVersion("XRPL/2.2") == make_protocol(2, 2));
             BEAST_EXPECT(
-                negotiateProtocolVersion("RTXP/1.2, XRPL/2.3, XRPL/2.4, XRPL/999.999") ==
-                make_protocol(2, 3));
+                negotiateProtocolVersion("RTXP/1.2, XRPL/2.2, XRPL/2.3, XRPL/999.999") ==
+                make_protocol(2, 2));
             BEAST_EXPECT(negotiateProtocolVersion("XRPL/999.999, WebSocket/1.0") == std::nullopt);
             BEAST_EXPECT(negotiateProtocolVersion("") == std::nullopt);
         }

src/test/rpc/KeyGeneration_test.cpp

@@ -1,7 +1,7 @@
 #include <test/jtx/TestSuite.h>
 
 #include <xrpld/rpc/detail/RPCHelpers.h>
-#include <xrpld/rpc/handlers/WalletPropose.h>
+#include <xrpld/rpc/handlers/admin/keygen/WalletPropose.h>
 
 #include <xrpl/json/json_value.h>
 #include <xrpl/json/json_writer.h>

src/test/rpc/Submit_test.cpp

@@ -0,0 +1,96 @@
+#include <test/jtx.h>
+
+#include <xrpld/core/ConfigSections.h>
+
+#include <xrpl/protocol/jss.h>
+
+namespace xrpl {
+
+class Submit_test : public beast::unit_test::suite
+{
+public:
+    void
+    testAugmentedFields()
+    {
+        testcase("Augmented fields in sign-and-submit mode");
+
+        using namespace test::jtx;
+
+        // Enable signing support in config
+        Env env{*this, envconfig([](std::unique_ptr<Config> cfg) {
+                    cfg->loadFromString("[" SECTION_SIGNING_SUPPORT "]\ntrue");
+                    return cfg;
+                })};
+
+        Account const alice{"alice"};
+        Account const bob{"bob"};
+
+        env.fund(XRP(10000), alice, bob);
+        env.close();
+
+        // Test 1: Sign-and-submit mode should return augmented fields
+        {
+            Json::Value jv;
+            jv[jss::tx_json][jss::TransactionType] = jss::Payment;
+            jv[jss::tx_json][jss::Account] = alice.human();
+            jv[jss::tx_json][jss::Destination] = bob.human();
+            jv[jss::tx_json][jss::Amount] = XRP(100).value().getJson(JsonOptions::none);
+            jv[jss::secret] = alice.name();
+
+            auto const result = env.rpc("json", "submit", to_string(jv))[jss::result];
+
+            // These are the augmented fields that should be present
+            BEAST_EXPECT(result.isMember(jss::engine_result));
+            BEAST_EXPECT(result.isMember(jss::engine_result_code));
+            BEAST_EXPECT(result.isMember(jss::engine_result_message));
+
+            // New augmented fields from issue #3125
+            BEAST_EXPECT(result.isMember(jss::accepted));
+            BEAST_EXPECT(result.isMember(jss::applied));
+            BEAST_EXPECT(result.isMember(jss::broadcast));
+            BEAST_EXPECT(result.isMember(jss::queued));
+            BEAST_EXPECT(result.isMember(jss::kept));
+
+            // Current ledger state fields
+            BEAST_EXPECT(result.isMember(jss::account_sequence_next));
+            BEAST_EXPECT(result.isMember(jss::account_sequence_available));
+            BEAST_EXPECT(result.isMember(jss::open_ledger_cost));
+            BEAST_EXPECT(result.isMember(jss::validated_ledger_index));
+
+            // Verify basic transaction fields
+            BEAST_EXPECT(result.isMember(jss::tx_blob));
+            BEAST_EXPECT(result.isMember(jss::tx_json));
+        }
+
+        // Test 2: Binary blob mode should also return augmented fields (regression test)
+        {
+            auto jt = env.jt(pay(alice, bob, XRP(100)));
+            Serializer s;
+            jt.stx->add(s);
+
+            auto const result = env.rpc("submit", strHex(s.slice()))[jss::result];
+
+            // Verify augmented fields are present in binary mode too
+            BEAST_EXPECT(result.isMember(jss::engine_result));
+            BEAST_EXPECT(result.isMember(jss::accepted));
+            BEAST_EXPECT(result.isMember(jss::applied));
+            BEAST_EXPECT(result.isMember(jss::broadcast));
+            BEAST_EXPECT(result.isMember(jss::queued));
+            BEAST_EXPECT(result.isMember(jss::kept));
+            BEAST_EXPECT(result.isMember(jss::account_sequence_next));
+            BEAST_EXPECT(result.isMember(jss::account_sequence_available));
+            BEAST_EXPECT(result.isMember(jss::open_ledger_cost));
+            BEAST_EXPECT(result.isMember(jss::validated_ledger_index));
+        }
+    }
+
+    void
+    run() override
+    {
+        testAugmentedFields();
+    }
+};
+
+BEAST_DEFINE_TESTSUITE(Submit, rpc, xrpl);
+
+}  // namespace xrpl

src/test/shamap/SHAMapSync_test.cpp

@@ -99,17 +99,14 @@ public:
         destination.setSynching();
 
         {
-            std::vector<std::tuple<SHAMapNodeID, Blob, bool>> a;
+            std::vector<std::pair<SHAMapNodeID, Blob>> a;
 
             BEAST_EXPECT(source.getNodeFat(SHAMapNodeID(), a, rand_bool(eng_), rand_int(eng_, 2)));
 
             unexpected(a.empty(), "NodeSize");
 
-            auto node = SHAMapTreeNode::makeFromWire(makeSlice(std::get<1>(a[0])));
-            if (!node)
-                fail("", __FILE__, __LINE__);
-            BEAST_EXPECT(
-                destination.addRootNode(source.getHash(), std::move(node), nullptr).isGood());
+            BEAST_EXPECT(destination.addRootNode(source.getHash(), makeSlice(a[0].second), nullptr)
+                             .isGood());
         }
 
         do
@@ -123,7 +120,7 @@ public:
                 break;
 
             // get as many nodes as possible based on this information
-            std::vector<std::tuple<SHAMapNodeID, Blob, bool>> b;
+            std::vector<std::pair<SHAMapNodeID, Blob>> b;
 
             for (auto& it : nodesMissing)
             {
@@ -145,10 +142,7 @@ public:
                 // Don't use BEAST_EXPECT here b/c it will be called a
                 // non-deterministic number of times and the number of tests run
                 // should be deterministic
-                auto node = SHAMapTreeNode::makeFromWire(makeSlice(std::get<1>(b[i])));
-                if (!node)
-                    fail("", __FILE__, __LINE__);
-                if (!destination.addKnownNode(std::get<0>(b[i]), std::move(node), nullptr)
+                if (!destination.addKnownNode(b[i].first, makeSlice(b[i].second), nullptr)
                          .isUseful())
                     fail("", __FILE__, __LINE__);
             }

src/xrpld/app/ledger/InboundLedger.h

@@ -9,7 +9,6 @@
 
 #include <mutex>
 #include <set>
-#include <string_view>
 #include <utility>
 
 namespace xrpl {
@@ -132,16 +131,16 @@ private:
     processData(std::shared_ptr<Peer> peer, protocol::TMLedgerData& data);
 
     bool
-    takeHeader(std::string_view data);
+    takeHeader(std::string const& data);
 
     void
-    receiveNode(protocol::TMLedgerData& packet, SHAMapAddNode& san);
+    receiveNode(protocol::TMLedgerData& packet, SHAMapAddNode&);
 
     bool
-    takeTxRootNode(std::string_view data, SHAMapAddNode& san);
+    takeTxRootNode(Slice const& data, SHAMapAddNode&);
 
     bool
-    takeAsRootNode(std::string_view data, SHAMapAddNode& san);
+    takeAsRootNode(Slice const& data, SHAMapAddNode&);
 
     std::vector<uint256>
     neededTxHashes(int max, SHAMapSyncFilter* filter) const;

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

@@ -3,7 +3,6 @@
 #include <xrpld/app/ledger/InboundLedgers.h>
 #include <xrpld/app/ledger/LedgerMaster.h>
 #include <xrpld/app/ledger/TransactionStateSF.h>
-#include <xrpld/app/ledger/detail/LedgerNodeHelpers.h>
 #include <xrpld/app/main/Application.h>
 #include <xrpld/overlay/Overlay.h>
 
@@ -763,7 +762,7 @@ InboundLedger::filterNodes(
 */
 // data must not have hash prefix
 bool
-InboundLedger::takeHeader(std::string_view data)
+InboundLedger::takeHeader(std::string const& data)
 {
     // Return value: true=normal, false=bad data
     JLOG(journal_.trace()) << "got header acquiring ledger " << hash_;
@@ -851,31 +850,20 @@ InboundLedger::receiveNode(protocol::TMLedgerData& packet, SHAMapAddNode& san)
     {
         auto const f = filter.get();
 
-        for (auto const& ledger_node : packet.nodes())
+        for (auto const& node : packet.nodes())
         {
-            auto treeNode = getTreeNode(ledger_node.nodedata());
-            if (!treeNode)
-            {
-                JLOG(journal_.warn()) << "Got invalid node data";
-                san.incInvalid();
-                return;
-            }
+            auto const nodeID = deserializeSHAMapNodeID(node.nodeid());
 
-            auto const nodeID = getSHAMapNodeID(ledger_node, *treeNode);
             if (!nodeID)
-            {
-                JLOG(journal_.warn()) << "Got invalid node id";
-                san.incInvalid();
-                return;
-            }
+                throw std::runtime_error("data does not properly deserialize");
 
             if (nodeID->isRoot())
             {
-                san += map.addRootNode(rootHash, std::move(*treeNode), f);
+                san += map.addRootNode(rootHash, makeSlice(node.nodedata()), f);
             }
             else
             {
-                san += map.addKnownNode(*nodeID, std::move(*treeNode), f);
+                san += map.addKnownNode(*nodeID, makeSlice(node.nodedata()), f);
             }
 
             if (!san.isGood())
@@ -915,7 +903,7 @@ InboundLedger::receiveNode(protocol::TMLedgerData& packet, SHAMapAddNode& san)
     Call with a lock
 */
 bool
-InboundLedger::takeAsRootNode(std::string_view data, SHAMapAddNode& san)
+InboundLedger::takeAsRootNode(Slice const& data, SHAMapAddNode& san)
 {
     if (failed_ || mHaveState)
     {
@@ -931,17 +919,9 @@ InboundLedger::takeAsRootNode(std::string_view data, SHAMapAddNode& san)
         // LCOV_EXCL_STOP
     }
 
-    auto treeNode = getTreeNode(data);
-    if (!treeNode)
-    {
-        JLOG(journal_.warn()) << "Got invalid node data";
-        san.incInvalid();
-        return false;
-    }
-
     AccountStateSF filter(mLedger->stateMap().family().db(), app_.getLedgerMaster());
-    san += mLedger->stateMap().addRootNode(
-        SHAMapHash{mLedger->header().accountHash}, std::move(*treeNode), &filter);
+    san +=
+        mLedger->stateMap().addRootNode(SHAMapHash{mLedger->header().accountHash}, data, &filter);
     return san.isGood();
 }
 
@@ -949,7 +929,7 @@ InboundLedger::takeAsRootNode(std::string_view data, SHAMapAddNode& san)
     Call with a lock
 */
 bool
-InboundLedger::takeTxRootNode(std::string_view data, SHAMapAddNode& san)
+InboundLedger::takeTxRootNode(Slice const& data, SHAMapAddNode& san)
 {
     if (failed_ || mHaveTransactions)
     {
@@ -965,17 +945,8 @@ InboundLedger::takeTxRootNode(std::string_view data, SHAMapAddNode& san)
         // LCOV_EXCL_STOP
     }
 
-    auto treeNode = getTreeNode(data);
-    if (!treeNode)
-    {
-        JLOG(journal_.warn()) << "Got invalid node data";
-        san.incInvalid();
-        return false;
-    }
-
     TransactionStateSF filter(mLedger->txMap().family().db(), app_.getLedgerMaster());
-    san += mLedger->txMap().addRootNode(
-        SHAMapHash{mLedger->header().txHash}, std::move(*treeNode), &filter);
+    san += mLedger->txMap().addRootNode(SHAMapHash{mLedger->header().txHash}, data, &filter);
     return san.isGood();
 }
 
@@ -1072,13 +1043,13 @@ InboundLedger::processData(std::shared_ptr<Peer> peer, protocol::TMLedgerData& p
             }
 
             if (!mHaveState && (packet.nodes().size() > 1) &&
-                !takeAsRootNode(packet.nodes(1).nodedata(), san))
+                !takeAsRootNode(makeSlice(packet.nodes(1).nodedata()), san))
             {
                 JLOG(journal_.warn()) << "Included AS root invalid";
             }
 
             if (!mHaveTransactions && (packet.nodes().size() > 2) &&
-                !takeTxRootNode(packet.nodes(2).nodedata(), san))
+                !takeTxRootNode(makeSlice(packet.nodes(2).nodedata()), san))
             {
                 JLOG(journal_.warn()) << "Included TX root invalid";
             }
@@ -1109,13 +1080,13 @@ InboundLedger::processData(std::shared_ptr<Peer> peer, protocol::TMLedgerData& p
 
         ScopedLockType const sl(mtx_);
 
-        // Verify nodes are complete
-        for (auto const& ledger_node : packet.nodes())
+        // Verify node IDs and data are complete
+        for (auto const& node : packet.nodes())
         {
-            if (!validateLedgerNode(ledger_node))
+            if (!node.has_nodeid() || !node.has_nodedata())
             {
-                JLOG(journal_.warn()) << "Got malformed ledger node";
-                peer->charge(Resource::feeMalformedRequest, "ledger_node");
+                JLOG(journal_.warn()) << "Got bad node";
+                peer->charge(Resource::feeMalformedRequest, "ledger_data bad node");
                 return -1;
             }
         }

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

@@ -1,6 +1,5 @@
 #include <xrpld/app/ledger/InboundLedgers.h>
 #include <xrpld/app/ledger/LedgerMaster.h>
-#include <xrpld/app/ledger/detail/LedgerNodeHelpers.h>
 #include <xrpld/app/main/Application.h>
 
 #include <xrpl/basics/DecayingSample.h>
@@ -224,21 +223,23 @@ public:
         Serializer s;
         try
         {
-            for (auto const& ledger_node : packet_ptr->nodes())
+            for (int i = 0; i < packet_ptr->nodes().size(); ++i)
             {
-                if (!validateLedgerNode(ledger_node))
+                auto const& node = packet_ptr->nodes(i);
+
+                if (!node.has_nodeid() || !node.has_nodedata())
                     return;
 
-                auto const treeNode = getTreeNode(ledger_node.nodedata());
-                if (!treeNode)
+                auto newNode = SHAMapTreeNode::makeFromWire(makeSlice(node.nodedata()));
+
+                if (!newNode)
                     return;
-                auto const tn = *treeNode;
 
                 s.erase();
-                tn->serializeWithPrefix(s);
+                newNode->serializeWithPrefix(s);
 
                 app_.getLedgerMaster().addFetchPack(
-                    tn->getHash().as_uint256(), std::make_shared<Blob>(s.begin(), s.end()));
+                    newNode->getHash().as_uint256(), std::make_shared<Blob>(s.begin(), s.end()));
             }
         }
         catch (std::exception const&)  // NOLINT(bugprone-empty-catch)

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

@@ -1,6 +1,5 @@
 #include <xrpld/app/ledger/InboundLedgers.h>
 #include <xrpld/app/ledger/InboundTransactions.h>
-#include <xrpld/app/ledger/detail/LedgerNodeHelpers.h>
 #include <xrpld/app/ledger/detail/TransactionAcquire.h>
 #include <xrpld/app/main/Application.h>
 
@@ -132,35 +131,26 @@ public:
             return;
         }
 
-        std::vector<std::pair<SHAMapNodeID, intr_ptr::SharedPtr<SHAMapTreeNode>>> data;
+        std::vector<std::pair<SHAMapNodeID, Slice>> data;
         data.reserve(packet.nodes().size());
 
-        for (auto const& ledger_node : packet.nodes())
+        for (auto const& node : packet.nodes())
         {
-            if (!validateLedgerNode(ledger_node))
+            if (!node.has_nodeid() || !node.has_nodedata())
             {
-                JLOG(j_.warn()) << "Got malformed ledger node";
-                peer->charge(Resource::feeMalformedRequest, "ledger_node");
+                peer->charge(Resource::feeMalformedRequest, "ledger_data");
                 return;
             }
 
-            auto treeNode = getTreeNode(ledger_node.nodedata());
-            if (!treeNode)
+            auto const id = deserializeSHAMapNodeID(node.nodeid());
+
+            if (!id)
             {
-                JLOG(j_.warn()) << "Got invalid node data";
-                peer->charge(Resource::feeInvalidData, "node_data");
+                peer->charge(Resource::feeInvalidData, "ledger_data");
                 return;
             }
 
-            auto const nodeID = getSHAMapNodeID(ledger_node, *treeNode);
-            if (!nodeID)
-            {
-                JLOG(j_.warn()) << "Got invalid node id";
-                peer->charge(Resource::feeInvalidData, "node_id");
-                return;
-            }
-
-            data.emplace_back(std::make_pair(*nodeID, std::move(*treeNode)));
+            data.emplace_back(std::make_pair(*id, makeSlice(node.nodedata())));
         }
 
         if (!ta->takeNodes(data, peer).isUseful())

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

@@ -1,95 +0,0 @@
-#include <xrpld/app/ledger/detail/LedgerNodeHelpers.h>
-
-#include <xrpl/basics/IntrusivePointer.h>
-#include <xrpl/basics/Slice.h>
-#include <xrpl/basics/safe_cast.h>
-#include <xrpl/beast/utility/instrumentation.h>
-#include <xrpl/protocol/messages.h>
-#include <xrpl/shamap/SHAMap.h>
-#include <xrpl/shamap/SHAMapLeafNode.h>
-#include <xrpl/shamap/SHAMapNodeID.h>
-#include <xrpl/shamap/SHAMapTreeNode.h>
-
-#include <optional>
-#include <string>
-
-namespace xrpl {
-
-bool
-validateLedgerNode(protocol::TMLedgerNode const& ledger_node)
-{
-    if (!ledger_node.has_nodedata())
-        return false;
-
-    if (ledger_node.has_nodeid())
-        return !ledger_node.has_id() && !ledger_node.has_depth();
-
-    return ledger_node.has_id() ||
-        (ledger_node.has_depth() && ledger_node.depth() <= SHAMap::leafDepth);
-}
-
-std::optional<intr_ptr::SharedPtr<SHAMapTreeNode>>
-getTreeNode(std::string_view data)
-{
-    auto const slice = makeSlice(data);
-    try
-    {
-        auto treeNode = SHAMapTreeNode::makeFromWire(slice);
-        if (!treeNode)
-            return std::nullopt;
-        return treeNode;
-    }
-    catch (std::exception const&)
-    {
-        return std::nullopt;
-    }
-}
-
-std::optional<SHAMapNodeID>
-getSHAMapNodeID(
-    protocol::TMLedgerNode const& ledger_node,
-    intr_ptr::SharedPtr<SHAMapTreeNode> const& treeNode)
-{
-    if (ledger_node.has_id() || ledger_node.has_depth())
-    {
-        if (treeNode->isInner())
-        {
-            if (!ledger_node.has_id())
-                return std::nullopt;
-
-            return deserializeSHAMapNodeID(ledger_node.id());
-        }
-
-        if (treeNode->isLeaf())
-        {
-            if (!ledger_node.has_depth())
-                return std::nullopt;
-
-            auto const key =
-                safe_downcast<SHAMapLeafNode const*>(treeNode.get())->peekItem()->key();
-            return SHAMapNodeID::createID(ledger_node.depth(), key);
-        }
-
-        UNREACHABLE("xrpl::getSHAMapNodeID : tree node is neither inner nor leaf");
-        return std::nullopt;
-    }
-
-    if (!ledger_node.has_nodeid())
-        return std::nullopt;
-
-    auto nodeID = deserializeSHAMapNodeID(ledger_node.nodeid());
-    if (!nodeID.has_value())
-        return std::nullopt;
-
-    if (treeNode->isLeaf())
-    {
-        auto const key = safe_downcast<SHAMapLeafNode const*>(treeNode.get())->peekItem()->key();
-        auto const expected_id = SHAMapNodeID::createID(static_cast<int>(nodeID->getDepth()), key);
-        if (nodeID->getNodeID() != expected_id.getNodeID())
-            return std::nullopt;
-    }
-
-    return nodeID;
-}
-
-}  // namespace xrpl

src/xrpld/app/ledger/detail/LedgerNodeHelpers.h

@@ -1,75 +0,0 @@
-#pragma once
-
-#include <xrpl/basics/IntrusivePointer.h>
-#include <xrpl/shamap/SHAMapNodeID.h>
-#include <xrpl/shamap/SHAMapTreeNode.h>
-
-#include <optional>
-#include <string_view>
-
-namespace protocol {
-class TMLedgerNode;
-}  // namespace protocol
-
-namespace xrpl {
-
-/**
- * @brief Validates a ledger node proto message.
- *
- * This function checks whether a ledger node has the expected fields (for non-ledger base data):
- * - The node must have `nodedata`.
- * - If the legacy `nodeid` field is present then the new `id` and `depth` fields must not be
- *   present.
- * - If the new `id` or `depth` fields are present (it is a oneof field, so only one of the two can
- *   be set) then the legacy `nodeid` must not be present.
- * - If the `depth` field is present then it must be between 0 and SHAMap::leafDepth (inclusive).
- *
- * @param ledger_node The ledger node to validate.
- * @return true if the ledger node has the expected fields, false otherwise.
- */
-[[nodiscard]] bool
-validateLedgerNode(protocol::TMLedgerNode const& ledger_node);
-
-/**
- * @brief Deserializes a SHAMapTreeNode from wire format data.
- *
- * This function attempts to create a SHAMapTreeNode from the provided data string. If the data is
- * malformed or deserialization fails, the function returns std::nullopt instead of throwing an
- * exception.
- *
- * @param data The serialized node data in wire format.
- * @return An optional containing the deserialized tree node if successful, or std::nullopt if
- *         deserialization fails.
- */
-[[nodiscard]] std::optional<intr_ptr::SharedPtr<SHAMapTreeNode>>
-getTreeNode(std::string_view data);
-
-/**
- * @brief Extracts or reconstructs the SHAMapNodeID from a ledger node proto message.
- *
- * This function retrieves the SHAMapNodeID for a tree node, with behavior that depends on which
- * field is set and the node type (inner vs. leaf).
- *
- * When the legacy `nodeid` field is set in the message:
- * - For all nodes: Deserializes the node ID from the field.
- * - For leaf nodes: Validates that the node ID is consistent with the leaf's key.
- *
- * When the new `id` or `depth` field is set in the message:
- * - For inner nodes: Deserializes the node ID from the `id` field. Note that root nodes are also
- *   inner nodes.
- * - For leaf nodes: Reconstructs the node ID using both the depth from the `depth` field and the
- *   key from the leaf node's item.
- *
- * @param ledger_node The validated protocol message containing the ledger node data.
- * @param treeNode The deserialized tree node (inner or leaf node).
- * @return An optional containing the node ID if extraction/reconstruction succeeds, or std::nullopt
- *         if the required fields are missing or validation fails.
- * @note This function expects that the caller has already validated the ledger node by calling the
- *       `validateLedgerNode` function and obtained a valid tree node by calling `getTreeNode`.
- */
-[[nodiscard]] std::optional<SHAMapNodeID>
-getSHAMapNodeID(
-    protocol::TMLedgerNode const& ledger_node,
-    intr_ptr::SharedPtr<SHAMapTreeNode> const& treeNode);
-
-}  // namespace xrpl

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

@@ -158,7 +158,7 @@ TransactionAcquire::trigger(std::shared_ptr<Peer> const& peer)
 
 SHAMapAddNode
 TransactionAcquire::takeNodes(
-    std::vector<std::pair<SHAMapNodeID, intr_ptr::SharedPtr<SHAMapTreeNode>>> const& data,
+    std::vector<std::pair<SHAMapNodeID, Slice>> const& data,
     std::shared_ptr<Peer> const& peer)
 {
     ScopedLockType const sl(mtx_);
@@ -182,7 +182,7 @@ TransactionAcquire::takeNodes(
 
         ConsensusTransSetSF sf(app_, app_.getTempNodeCache());
 
-        for (auto& d : data)
+        for (auto const& d : data)
         {
             if (d.first.isRoot())
             {

src/xrpld/app/ledger/detail/TransactionAcquire.h

@@ -20,8 +20,8 @@ public:
 
     SHAMapAddNode
     takeNodes(
-        std::vector<std::pair<SHAMapNodeID, intr_ptr::SharedPtr<SHAMapTreeNode>>> const& data,
-        std::shared_ptr<Peer> const& peer);
+        std::vector<std::pair<SHAMapNodeID, Slice>> const& data,
+        std::shared_ptr<Peer> const&);
 
     void
     init(int startPeers);

src/xrpld/overlay/Peer.h

@@ -17,7 +17,6 @@ enum class ProtocolFeature {
     ValidatorListPropagation,
     ValidatorList2Propagation,
     LedgerReplay,
-    LedgerNodeDepth,
 };
 
 /** Represents a peer connection in the overlay. */

src/xrpld/overlay/detail/OverlayImpl.cpp

@@ -7,7 +7,7 @@
 #include <xrpld/overlay/detail/Tuning.h>
 #include <xrpld/overlay/predicates.h>
 #include <xrpld/peerfinder/make_Manager.h>
-#include <xrpld/rpc/handlers/GetCounts.h>
+#include <xrpld/rpc/handlers/admin/status/GetCounts.h>
 #include <xrpld/rpc/json_body.h>
 
 #include <xrpl/basics/base64.h>

src/xrpld/overlay/detail/PeerImp.cpp

@@ -30,7 +30,6 @@
 #include <mutex>
 #include <numeric>
 #include <sstream>
-#include <tuple>
 
 using namespace std::chrono_literals;
 
@@ -499,8 +498,6 @@ PeerImp::supportsFeature(ProtocolFeature f) const
             return protocol_ >= make_protocol(2, 1);
         case ProtocolFeature::ValidatorList2Propagation:
             return protocol_ >= make_protocol(2, 2);
-        case ProtocolFeature::LedgerNodeDepth:
-            return protocol_ >= make_protocol(2, 3);
         case ProtocolFeature::LedgerReplay:
             return ledgerReplayEnabled_;
     }
@@ -3391,19 +3388,13 @@ PeerImp::processLedgerRequest(std::shared_ptr<protocol::TMGetLedger> const& m)
         std::uint32_t const defaultDepth = isHighLatency() ? 2 : 1;
         auto const queryDepth{m->has_querydepth() ? m->querydepth() : defaultDepth};
 
-        std::vector<std::tuple<SHAMapNodeID, Blob, bool>> data;
-        auto const useLedgerNodeDepth = supportsFeature(ProtocolFeature::LedgerNodeDepth);
+        std::vector<std::pair<SHAMapNodeID, Blob>> data;
 
         for (int i = 0;
              i < m->nodeids_size() && ledgerData.nodes_size() < Tuning::softMaxReplyNodes;
              ++i)
         {
             auto const shaMapNodeId{deserializeSHAMapNodeID(m->nodeids(i))};
-            if (!shaMapNodeId.has_value())
-            {
-                JLOG(p_journal_.error()) << "processLedgerRequest: Invalid SHAMap node ID";
-                return;
-            }
 
             data.clear();
             data.reserve(Tuning::softMaxReplyNodes);
@@ -3419,28 +3410,9 @@ PeerImp::processLedgerRequest(std::shared_ptr<protocol::TMGetLedger> const& m)
                     {
                         if (ledgerData.nodes_size() >= Tuning::hardMaxReplyNodes)
                             break;
-
                         protocol::TMLedgerNode* node{ledgerData.add_nodes()};
-
-                        auto const& nodeData = std::get<1>(d);
-                        node->set_nodedata(nodeData.data(), nodeData.size());
-
-                        // When the LedgerNodeDepth protocol feature is not supported by the peer,
-                        // we always set the `nodeid` field. However, when it is supported then we
-                        // set the `id` field for inner nodes and the `depth` field for leaf nodes.
-                        auto const& nodeID = std::get<0>(d);
-                        if (!useLedgerNodeDepth)
-                        {
-                            node->set_nodeid(nodeID.getRawString());
-                        }
-                        else if (std::get<2>(d))
-                        {
-                            node->set_depth(nodeID.getDepth());
-                        }
-                        else
-                        {
-                            node->set_id(nodeID.getRawString());
-                        }
+                        node->set_nodeid(d.first.getRawString());
+                        node->set_nodedata(d.second.data(), d.second.size());
                     }
                 }
                 else

src/xrpld/overlay/detail/ProtocolVersion.cpp

@@ -20,7 +20,6 @@ namespace xrpl {
 constexpr ProtocolVersion const supportedProtocolList[]{
     {2, 1},
     {2, 2},
-    {2, 3},
 };
 
 // This ugly construct ensures that supportedProtocolList is sorted in strictly

src/xrpld/rpc/detail/Handler.cpp

@@ -1,6 +1,6 @@
 #include <xrpld/rpc/detail/Handler.h>
 #include <xrpld/rpc/handlers/Handlers.h>
-#include <xrpld/rpc/handlers/Version.h>
+#include <xrpld/rpc/handlers/server_info/Version.h>
 
 #include <xrpl/basics/contract.h>
 #include <xrpl/protocol/ApiVersion.h>
@@ -75,7 +75,7 @@ Handler const handlerArray[]{
     {"account_nfts", byRef(&doAccountNFTs), Role::USER, NO_CONDITION},
     {"account_objects", byRef(&doAccountObjects), Role::USER, NO_CONDITION},
     {"account_offers", byRef(&doAccountOffers), Role::USER, NO_CONDITION},
-    {"account_tx", byRef(&doAccountTxJson), Role::USER, NO_CONDITION},
+    {"account_tx", byRef(&doAccountTx), Role::USER, NO_CONDITION},
     {"amm_info", byRef(&doAMMInfo), Role::USER, NO_CONDITION},
     {"blacklist", byRef(&doBlackList), Role::ADMIN, NO_CONDITION},
     {"book_changes", byRef(&doBookChanges), Role::USER, NO_CONDITION},

src/xrpld/rpc/detail/TransactionSign.cpp

@@ -748,6 +748,8 @@ transactionFormatResultImpl(Transaction::pointer tpTrans, unsigned apiVersion)
             jvResult[jss::engine_result] = sToken;
             jvResult[jss::engine_result_code] = tpTrans->getResult();
             jvResult[jss::engine_result_message] = sHuman;
+
+            RPC::populateAugmentedSubmitFields(jvResult, tpTrans);
         }
     }
     catch (std::exception&)
@@ -761,6 +763,33 @@ transactionFormatResultImpl(Transaction::pointer tpTrans, unsigned apiVersion)
 
 //------------------------------------------------------------------------------
 
+void
+populateAugmentedSubmitFields(
+    Json::Value& jvResult,
+    std::shared_ptr<Transaction> const& transaction)
+{
+    auto const submitResult = transaction->getSubmitResult();
+
+    jvResult[jss::accepted] = submitResult.any();
+    jvResult[jss::applied] = submitResult.applied;
+    jvResult[jss::broadcast] = submitResult.broadcast;
+    jvResult[jss::queued] = submitResult.queued;
+    jvResult[jss::kept] = submitResult.kept;
+
+    if (auto currentLedgerState = transaction->getCurrentLedgerState())
+    {
+        jvResult[jss::account_sequence_next] =
+            safe_cast<Json::Value::UInt>(currentLedgerState->accountSeqNext);
+        jvResult[jss::account_sequence_available] =
+            safe_cast<Json::Value::UInt>(currentLedgerState->accountSeqAvail);
+        jvResult[jss::open_ledger_cost] = to_string(currentLedgerState->minFeeRequired);
+        jvResult[jss::validated_ledger_index] =
+            safe_cast<Json::Value::UInt>(currentLedgerState->validatedLedger);
+    }
+}
+
+//------------------------------------------------------------------------------
+
 [[nodiscard]] static XRPAmount
 getTxFee(Application const& app, Config const& config, Json::Value tx)
 {

src/xrpld/rpc/detail/TransactionSign.h

@@ -16,6 +16,20 @@ class TxQ;
 
 namespace RPC {
 
+/** Populate augmented submit fields into a JSON result.
+    This helper populates the submit result flags (accepted, applied,
+    broadcast, queued, kept) and current ledger state fields
+    (account_sequence_next, account_sequence_available, open_ledger_cost,
+    validated_ledger_index) from a Transaction pointer.
+
+    @param jvResult The JSON result to populate
+    @param transaction The transaction containing the submit result and state
+*/
+void
+populateAugmentedSubmitFields(
+    Json::Value& jvResult,
+    std::shared_ptr<Transaction> const& transaction);
+
 Json::Value
 getCurrentNetworkFee(
     Role const role,

src/xrpld/rpc/handlers/ChannelVerify.cpp

@@ -0,0 +1,71 @@
+#include <xrpld/rpc/Context.h>
+#include <xrpld/rpc/detail/RPCHelpers.h>
+
+#include <xrpl/basics/StringUtilities.h>
+#include <xrpl/protocol/ErrorCodes.h>
+#include <xrpl/protocol/PayChan.h>
+#include <xrpl/protocol/RPCErr.h>
+#include <xrpl/protocol/jss.h>
+
+#include <optional>
+
+namespace xrpl {
+
+// {
+//   public_key: <public_key>
+//   channel_id: 256-bit channel id
+//   drops: 64-bit uint (as string)
+//   signature: signature to verify
+// }
+Json::Value
+doChannelVerify(RPC::JsonContext& context)
+{
+    auto const& params(context.params);
+    for (auto const& p : {jss::public_key, jss::channel_id, jss::amount, jss::signature})
+    {
+        if (!params.isMember(p))
+            return RPC::missing_field_error(p);
+    }
+
+    std::optional<PublicKey> pk;
+    {
+        std::string const strPk = params[jss::public_key].asString();
+        pk = parseBase58<PublicKey>(TokenType::AccountPublic, strPk);
+
+        if (!pk)
+        {
+            auto pkHex = strUnHex(strPk);
+            if (!pkHex)
+                return rpcError(rpcPUBLIC_MALFORMED);
+            auto const pkType = publicKeyType(makeSlice(*pkHex));
+            if (!pkType)
+                return rpcError(rpcPUBLIC_MALFORMED);
+            pk.emplace(makeSlice(*pkHex));
+        }
+    }
+
+    uint256 channelId;
+    if (!channelId.parseHex(params[jss::channel_id].asString()))
+        return rpcError(rpcCHANNEL_MALFORMED);
+
+    std::optional<std::uint64_t> const optDrops =
+        params[jss::amount].isString() ? to_uint64(params[jss::amount].asString()) : std::nullopt;
+
+    if (!optDrops)
+        return rpcError(rpcCHANNEL_AMT_MALFORMED);
+
+    std::uint64_t const drops = *optDrops;
+
+    auto sig = strUnHex(params[jss::signature].asString());
+    if (!sig || sig->empty())
+        return rpcError(rpcINVALID_PARAMS);
+
+    Serializer msg;
+    serializePayChanAuthorization(msg, channelId, XRPAmount(drops));
+
+    Json::Value result;
+    result[jss::signature_verified] = verify(*pk, msg.slice(), makeSlice(*sig));
+    return result;
+}
+
+}  // namespace xrpl

src/xrpld/rpc/handlers/Handlers.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include <xrpld/rpc/handlers/LedgerHandler.h>
+#include <xrpld/rpc/handlers/ledger/Ledger.h>
 
 namespace xrpl {
 
@@ -19,7 +19,7 @@ doAccountObjects(RPC::JsonContext&);
 Json::Value
 doAccountOffers(RPC::JsonContext&);
 Json::Value
-doAccountTxJson(RPC::JsonContext&);
+doAccountTx(RPC::JsonContext&);
 Json::Value
 doAMMInfo(RPC::JsonContext&);
 Json::Value

src/xrpld/rpc/handlers/account/AccountNFTs.cpp

@@ -0,0 +1,160 @@
+#include <xrpld/rpc/Context.h>
+#include <xrpld/rpc/detail/RPCHelpers.h>
+#include <xrpld/rpc/detail/RPCLedgerHelpers.h>
+#include <xrpld/rpc/detail/Tuning.h>
+
+#include <xrpl/ledger/ReadView.h>
+#include <xrpl/protocol/ErrorCodes.h>
+#include <xrpl/protocol/Indexes.h>
+#include <xrpl/protocol/RPCErr.h>
+#include <xrpl/protocol/jss.h>
+#include <xrpl/protocol/nftPageMask.h>
+#include <xrpl/resource/Fees.h>
+#include <xrpl/tx/transactors/nft/NFTokenUtils.h>
+
+namespace xrpl {
+
+/** General RPC command that can retrieve objects in the account root.
+    {
+      account: <account>
+      ledger_hash: <string> // optional
+      ledger_index: <string | unsigned integer> // optional
+      type: <string> // optional, defaults to all account objects types
+      limit: <integer> // optional
+      marker: <opaque> // optional, resume previous query
+    }
+*/
+Json::Value
+doAccountNFTs(RPC::JsonContext& context)
+{
+    auto const& params = context.params;
+    if (!params.isMember(jss::account))
+        return RPC::missing_field_error(jss::account);
+
+    if (!params[jss::account].isString())
+        return RPC::invalid_field_error(jss::account);
+
+    auto id = parseBase58<AccountID>(params[jss::account].asString());
+    if (!id)
+    {
+        return rpcError(rpcACT_MALFORMED);
+    }
+
+    std::shared_ptr<ReadView const> ledger;
+    auto result = RPC::lookupLedger(ledger, context);
+    if (ledger == nullptr)
+        return result;
+    auto const accountID{id.value()};
+
+    if (!ledger->exists(keylet::account(accountID)))
+        return rpcError(rpcACT_NOT_FOUND);
+
+    unsigned int limit = 0;
+    if (auto err = readLimitField(limit, RPC::Tuning::accountNFTokens, context))
+        return *err;
+
+    uint256 marker;
+    bool const markerSet = params.isMember(jss::marker);
+
+    if (markerSet)
+    {
+        auto const& m = params[jss::marker];
+        if (!m.isString())
+            return RPC::expected_field_error(jss::marker, "string");
+
+        if (!marker.parseHex(m.asString()))
+            return RPC::invalid_field_error(jss::marker);
+    }
+
+    auto const first = keylet::nftpage(keylet::nftpage_min(accountID), marker);
+    auto const last = keylet::nftpage_max(accountID);
+
+    auto cp = ledger->read(
+        Keylet(ltNFTOKEN_PAGE, ledger->succ(first.key, last.key.next()).value_or(last.key)));
+
+    std::uint32_t cnt = 0;
+    auto& nfts = (result[jss::account_nfts] = Json::arrayValue);
+
+    // Continue iteration from the current page:
+    bool pastMarker = marker.isZero();
+    bool markerFound = false;
+    uint256 const maskedMarker = marker & nft::pageMask;
+    while (cp)
+    {
+        auto arr = cp->getFieldArray(sfNFTokens);
+
+        for (auto const& o : arr)
+        {
+            // Scrolling past the marker gets weird.  We need to look at
+            // a couple of conditions.
+            //
+            //  1. If the low 96-bits don't match, then we compare only
+            //     against the low 96-bits, since that's what determines
+            //     the sort order of the pages.
+            //
+            //  2. However, within one page there can be a number of
+            //     NFTokenIDs that all have the same low 96 bits.  If we're
+            //     in that case then we need to compare against the full
+            //     256 bits.
+            uint256 const nftokenID = o[sfNFTokenID];
+            uint256 const maskedNftokenID = nftokenID & nft::pageMask;
+
+            if (!pastMarker)
+            {
+                if (maskedNftokenID < maskedMarker)
+                    continue;
+
+                if (maskedNftokenID == maskedMarker && nftokenID < marker)
+                    continue;
+
+                if (nftokenID == marker)
+                {
+                    markerFound = true;
+                    continue;
+                }
+            }
+
+            if (markerSet && !markerFound)
+                return RPC::invalid_field_error(jss::marker);
+
+            pastMarker = true;
+
+            {
+                Json::Value& obj = nfts.append(o.getJson(JsonOptions::none));
+
+                // Pull out the components of the nft ID.
+                obj[sfFlags.jsonName] = nft::getFlags(nftokenID);
+                obj[sfIssuer.jsonName] = to_string(nft::getIssuer(nftokenID));
+                obj[sfNFTokenTaxon.jsonName] = nft::toUInt32(nft::getTaxon(nftokenID));
+                obj[jss::nft_serial] = nft::getSerial(nftokenID);
+                if (std::uint16_t const xferFee = {nft::getTransferFee(nftokenID)})
+                    obj[sfTransferFee.jsonName] = xferFee;
+            }
+
+            if (++cnt == limit)
+            {
+                result[jss::limit] = limit;
+                result[jss::marker] = to_string(o.getFieldH256(sfNFTokenID));
+                return result;
+            }
+        }
+
+        if (auto npm = (*cp)[~sfNextPageMin])
+        {
+            cp = ledger->read(Keylet(ltNFTOKEN_PAGE, *npm));
+        }
+        else
+        {
+            cp = nullptr;
+        }
+    }
+
+    if (markerSet && !markerFound)
+        return RPC::invalid_field_error(jss::marker);
+
+    result[jss::account] = toBase58(accountID);
+    context.loadType = Resource::feeMediumBurdenRPC;
+    return result;
+}
+
+}  // namespace xrpl

src/xrpld/rpc/handlers/account/AccountObjects.cpp

@@ -11,156 +11,11 @@
 #include <xrpl/protocol/jss.h>
 #include <xrpl/protocol/nftPageMask.h>
 #include <xrpl/resource/Fees.h>
-#include <xrpl/tx/transactors/nft/NFTokenUtils.h>
 
 #include <string>
 
 namespace xrpl {
 
-/** General RPC command that can retrieve objects in the account root.
-    {
-      account: <account>
-      ledger_hash: <string> // optional
-      ledger_index: <string | unsigned integer> // optional
-      type: <string> // optional, defaults to all account objects types
-      limit: <integer> // optional
-      marker: <opaque> // optional, resume previous query
-    }
-*/
-
-Json::Value
-doAccountNFTs(RPC::JsonContext& context)
-{
-    auto const& params = context.params;
-    if (!params.isMember(jss::account))
-        return RPC::missing_field_error(jss::account);
-
-    if (!params[jss::account].isString())
-        return RPC::invalid_field_error(jss::account);
-
-    auto id = parseBase58<AccountID>(params[jss::account].asString());
-    if (!id)
-    {
-        return rpcError(rpcACT_MALFORMED);
-    }
-
-    std::shared_ptr<ReadView const> ledger;
-    auto result = RPC::lookupLedger(ledger, context);
-    if (ledger == nullptr)
-        return result;
-    auto const accountID{id.value()};
-
-    if (!ledger->exists(keylet::account(accountID)))
-        return rpcError(rpcACT_NOT_FOUND);
-
-    unsigned int limit = 0;
-    if (auto err = readLimitField(limit, RPC::Tuning::accountNFTokens, context))
-        return *err;
-
-    uint256 marker;
-    bool const markerSet = params.isMember(jss::marker);
-
-    if (markerSet)
-    {
-        auto const& m = params[jss::marker];
-        if (!m.isString())
-            return RPC::expected_field_error(jss::marker, "string");
-
-        if (!marker.parseHex(m.asString()))
-            return RPC::invalid_field_error(jss::marker);
-    }
-
-    auto const first = keylet::nftpage(keylet::nftpage_min(accountID), marker);
-    auto const last = keylet::nftpage_max(accountID);
-
-    auto cp = ledger->read(
-        Keylet(ltNFTOKEN_PAGE, ledger->succ(first.key, last.key.next()).value_or(last.key)));
-
-    std::uint32_t cnt = 0;
-    auto& nfts = (result[jss::account_nfts] = Json::arrayValue);
-
-    // Continue iteration from the current page:
-    bool pastMarker = marker.isZero();
-    bool markerFound = false;
-    uint256 const maskedMarker = marker & nft::pageMask;
-    while (cp)
-    {
-        auto arr = cp->getFieldArray(sfNFTokens);
-
-        for (auto const& o : arr)
-        {
-            // Scrolling past the marker gets weird.  We need to look at
-            // a couple of conditions.
-            //
-            //  1. If the low 96-bits don't match, then we compare only
-            //     against the low 96-bits, since that's what determines
-            //     the sort order of the pages.
-            //
-            //  2. However, within one page there can be a number of
-            //     NFTokenIDs that all have the same low 96 bits.  If we're
-            //     in that case then we need to compare against the full
-            //     256 bits.
-            uint256 const nftokenID = o[sfNFTokenID];
-            uint256 const maskedNftokenID = nftokenID & nft::pageMask;
-
-            if (!pastMarker)
-            {
-                if (maskedNftokenID < maskedMarker)
-                    continue;
-
-                if (maskedNftokenID == maskedMarker && nftokenID < marker)
-                    continue;
-
-                if (nftokenID == marker)
-                {
-                    markerFound = true;
-                    continue;
-                }
-            }
-
-            if (markerSet && !markerFound)
-                return RPC::invalid_field_error(jss::marker);
-
-            pastMarker = true;
-
-            {
-                Json::Value& obj = nfts.append(o.getJson(JsonOptions::none));
-
-                // Pull out the components of the nft ID.
-                obj[sfFlags.jsonName] = nft::getFlags(nftokenID);
-                obj[sfIssuer.jsonName] = to_string(nft::getIssuer(nftokenID));
-                obj[sfNFTokenTaxon.jsonName] = nft::toUInt32(nft::getTaxon(nftokenID));
-                obj[jss::nft_serial] = nft::getSerial(nftokenID);
-                if (std::uint16_t const xferFee = {nft::getTransferFee(nftokenID)})
-                    obj[sfTransferFee.jsonName] = xferFee;
-            }
-
-            if (++cnt == limit)
-            {
-                result[jss::limit] = limit;
-                result[jss::marker] = to_string(o.getFieldH256(sfNFTokenID));
-                return result;
-            }
-        }
-
-        if (auto npm = (*cp)[~sfNextPageMin])
-        {
-            cp = ledger->read(Keylet(ltNFTOKEN_PAGE, *npm));
-        }
-        else
-        {
-            cp = nullptr;
-        }
-    }
-
-    if (markerSet && !markerFound)
-        return RPC::invalid_field_error(jss::marker);
-
-    result[jss::account] = toBase58(accountID);
-    context.loadType = Resource::feeMediumBurdenRPC;
-    return result;
-}
-
 /** Gathers all objects for an account in a ledger.
     @param ledger Ledger to search account objects.
     @param account AccountID to find objects for.

src/xrpld/rpc/handlers/account/AccountTx.cpp

@@ -364,7 +364,7 @@ populateJsonResponse(
 //   resume previous query
 // }
 Json::Value
-doAccountTxJson(RPC::JsonContext& context)
+doAccountTx(RPC::JsonContext& context)
 {
     if (!context.app.config().useTxTables())
         return rpcError(rpcNOT_ENABLED);

src/xrpld/rpc/handlers/admin/keygen/WalletPropose.cpp

@@ -1,6 +1,6 @@
 #include <xrpld/rpc/Context.h>
 #include <xrpld/rpc/detail/RPCHelpers.h>
-#include <xrpld/rpc/handlers/WalletPropose.h>
+#include <xrpld/rpc/handlers/admin/keygen/WalletPropose.h>
 
 #include <xrpl/basics/strHex.h>
 #include <xrpl/protocol/ErrorCodes.h>

src/xrpld/rpc/handlers/admin/peer/PeerReservationsAdd.cpp

@@ -9,7 +9,6 @@
 
 #include <optional>
 #include <string>
-#include <utility>
 
 namespace xrpl {
 
@@ -66,46 +65,4 @@ doPeerReservationsAdd(RPC::JsonContext& context)
     return result;
 }
 
-Json::Value
-doPeerReservationsDel(RPC::JsonContext& context)
-{
-    auto const& params = context.params;
-
-    // We repeat much of the parameter parsing from `doPeerReservationsAdd`.
-    if (!params.isMember(jss::public_key))
-        return RPC::missing_field_error(jss::public_key);
-    if (!params[jss::public_key].isString())
-        return RPC::expected_field_error(jss::public_key, "a string");
-
-    std::optional<PublicKey> optPk =
-        parseBase58<PublicKey>(TokenType::NodePublic, params[jss::public_key].asString());
-    if (!optPk)
-        return rpcError(rpcPUBLIC_MALFORMED);
-    PublicKey const& nodeId = *optPk;
-
-    auto const previous = context.app.getPeerReservations().erase(nodeId);
-
-    Json::Value result{Json::objectValue};
-    if (previous)
-    {
-        result[jss::previous] = previous->toJson();
-    }
-    return result;
-}
-
-Json::Value
-doPeerReservationsList(RPC::JsonContext& context)
-{
-    auto const& reservations = context.app.getPeerReservations().list();
-    // Enumerate the reservations in context.app.getPeerReservations()
-    // as a Json::Value.
-    Json::Value result{Json::objectValue};
-    Json::Value& jaReservations = result[jss::reservations] = Json::arrayValue;
-    for (auto const& reservation : reservations)
-    {
-        jaReservations.append(reservation.toJson());
-    }
-    return result;
-}
-
 }  // namespace xrpl

src/xrpld/rpc/handlers/admin/peer/PeerReservationsDel.cpp

@@ -0,0 +1,41 @@
+#include <xrpld/rpc/Context.h>
+#include <xrpld/rpc/handlers/Handlers.h>
+
+#include <xrpl/json/json_value.h>
+#include <xrpl/protocol/ErrorCodes.h>
+#include <xrpl/protocol/PublicKey.h>
+#include <xrpl/protocol/RPCErr.h>
+#include <xrpl/protocol/jss.h>
+
+#include <optional>
+
+namespace xrpl {
+
+Json::Value
+doPeerReservationsDel(RPC::JsonContext& context)
+{
+    auto const& params = context.params;
+
+    // We repeat much of the parameter parsing from `doPeerReservationsAdd`.
+    if (!params.isMember(jss::public_key))
+        return RPC::missing_field_error(jss::public_key);
+    if (!params[jss::public_key].isString())
+        return RPC::expected_field_error(jss::public_key, "a string");
+
+    std::optional<PublicKey> optPk =
+        parseBase58<PublicKey>(TokenType::NodePublic, params[jss::public_key].asString());
+    if (!optPk)
+        return rpcError(rpcPUBLIC_MALFORMED);
+    PublicKey const& nodeId = *optPk;
+
+    auto const previous = context.app.getPeerReservations().erase(nodeId);
+
+    Json::Value result{Json::objectValue};
+    if (previous)
+    {
+        result[jss::previous] = previous->toJson();
+    }
+    return result;
+}
+
+}  // namespace xrpl

src/xrpld/rpc/handlers/admin/peer/PeerReservationsList.cpp

@@ -0,0 +1,24 @@
+#include <xrpld/rpc/Context.h>
+#include <xrpld/rpc/handlers/Handlers.h>
+
+#include <xrpl/json/json_value.h>
+#include <xrpl/protocol/jss.h>
+
+namespace xrpl {
+
+Json::Value
+doPeerReservationsList(RPC::JsonContext& context)
+{
+    auto const& reservations = context.app.getPeerReservations().list();
+    // Enumerate the reservations in context.app.getPeerReservations()
+    // as a Json::Value.
+    Json::Value result{Json::objectValue};
+    Json::Value& jaReservations = result[jss::reservations] = Json::arrayValue;
+    for (auto const& reservation : reservations)
+    {
+        jaReservations.append(reservation.toJson());
+    }
+    return result;
+}
+
+}  // namespace xrpl

src/xrpld/rpc/handlers/admin/signing/ChannelAuthorize.cpp

@@ -3,7 +3,6 @@
 #include <xrpld/rpc/detail/RPCHelpers.h>
 
 #include <xrpl/basics/StringUtilities.h>
-#include <xrpl/ledger/ReadView.h>
 #include <xrpl/protocol/ErrorCodes.h>
 #include <xrpl/protocol/PayChan.h>
 #include <xrpl/protocol/RPCErr.h>
@@ -83,61 +82,4 @@ doChannelAuthorize(RPC::JsonContext& context)
     return result;
 }
 
-// {
-//   public_key: <public_key>
-//   channel_id: 256-bit channel id
-//   drops: 64-bit uint (as string)
-//   signature: signature to verify
-// }
-Json::Value
-doChannelVerify(RPC::JsonContext& context)
-{
-    auto const& params(context.params);
-    for (auto const& p : {jss::public_key, jss::channel_id, jss::amount, jss::signature})
-    {
-        if (!params.isMember(p))
-            return RPC::missing_field_error(p);
-    }
-
-    std::optional<PublicKey> pk;
-    {
-        std::string const strPk = params[jss::public_key].asString();
-        pk = parseBase58<PublicKey>(TokenType::AccountPublic, strPk);
-
-        if (!pk)
-        {
-            auto pkHex = strUnHex(strPk);
-            if (!pkHex)
-                return rpcError(rpcPUBLIC_MALFORMED);
-            auto const pkType = publicKeyType(makeSlice(*pkHex));
-            if (!pkType)
-                return rpcError(rpcPUBLIC_MALFORMED);
-            pk.emplace(makeSlice(*pkHex));
-        }
-    }
-
-    uint256 channelId;
-    if (!channelId.parseHex(params[jss::channel_id].asString()))
-        return rpcError(rpcCHANNEL_MALFORMED);
-
-    std::optional<std::uint64_t> const optDrops =
-        params[jss::amount].isString() ? to_uint64(params[jss::amount].asString()) : std::nullopt;
-
-    if (!optDrops)
-        return rpcError(rpcCHANNEL_AMT_MALFORMED);
-
-    std::uint64_t const drops = *optDrops;
-
-    auto sig = strUnHex(params[jss::signature].asString());
-    if (!sig || sig->empty())
-        return rpcError(rpcINVALID_PARAMS);
-
-    Serializer msg;
-    serializePayChanAuthorization(msg, channelId, XRPAmount(drops));
-
-    Json::Value result;
-    result[jss::signature_verified] = verify(*pk, msg.slice(), makeSlice(*sig));
-    return result;
-}
-
 }  // namespace xrpl

src/xrpld/rpc/handlers/ledger/Ledger.cpp

@@ -3,7 +3,7 @@
 #include <xrpld/rpc/GRPCHandlers.h>
 #include <xrpld/rpc/Role.h>
 #include <xrpld/rpc/detail/RPCLedgerHelpers.h>
-#include <xrpld/rpc/handlers/LedgerHandler.h>
+#include <xrpld/rpc/handlers/ledger/Ledger.h>
 
 #include <xrpl/protocol/ErrorCodes.h>
 #include <xrpl/protocol/jss.h>

src/xrpld/rpc/handlers/ledger/LedgerEntry.cpp

@@ -1,7 +1,7 @@
 #include <xrpld/rpc/Context.h>
 #include <xrpld/rpc/GRPCHandlers.h>
 #include <xrpld/rpc/detail/RPCLedgerHelpers.h>
-#include <xrpld/rpc/handlers/LedgerEntryHelpers.h>
+#include <xrpld/rpc/handlers/ledger/LedgerEntryHelpers.h>
 
 #include <xrpl/basics/StringUtilities.h>
 #include <xrpl/basics/strHex.h>

src/xrpld/rpc/handlers/orderbook/BookChanges.cpp

@@ -0,0 +1,21 @@
+#include <xrpld/rpc/BookChanges.h>
+#include <xrpld/rpc/Context.h>
+#include <xrpld/rpc/detail/RPCLedgerHelpers.h>
+
+#include <xrpl/ledger/ReadView.h>
+
+namespace xrpl {
+
+Json::Value
+doBookChanges(RPC::JsonContext& context)
+{
+    std::shared_ptr<ReadView const> ledger;
+
+    Json::Value result = RPC::lookupLedger(ledger, context);
+    if (ledger == nullptr)
+        return result;
+
+    return RPC::computeBookChanges(ledger);
+}
+
+}  // namespace xrpl

src/xrpld/rpc/handlers/orderbook/BookOffers.cpp

@@ -1,5 +1,4 @@
 #include <xrpld/app/main/Application.h>
-#include <xrpld/rpc/BookChanges.h>
 #include <xrpld/rpc/Context.h>
 #include <xrpld/rpc/detail/RPCHelpers.h>
 #include <xrpld/rpc/detail/RPCLedgerHelpers.h>
@@ -205,16 +204,4 @@ doBookOffers(RPC::JsonContext& context)
     return jvResult;
 }
 
-Json::Value
-doBookChanges(RPC::JsonContext& context)
-{
-    std::shared_ptr<ReadView const> ledger;
-
-    Json::Value result = RPC::lookupLedger(ledger, context);
-    if (ledger == nullptr)
-        return result;
-
-    return RPC::computeBookChanges(ledger);
-}
-
 }  // namespace xrpl

src/xrpld/rpc/handlers/orderbook/NFTBuyOffers.cpp

@@ -0,0 +1,24 @@
+#include <xrpld/rpc/Context.h>
+#include <xrpld/rpc/handlers/orderbook/NFTOffersHelpers.h>
+
+#include <xrpl/protocol/ErrorCodes.h>
+#include <xrpl/protocol/RPCErr.h>
+#include <xrpl/protocol/jss.h>
+
+namespace xrpl {
+
+Json::Value
+doNFTBuyOffers(RPC::JsonContext& context)
+{
+    if (!context.params.isMember(jss::nft_id))
+        return RPC::missing_field_error(jss::nft_id);
+
+    uint256 nftId;
+
+    if (!nftId.parseHex(context.params[jss::nft_id].asString()))
+        return RPC::invalid_field_error(jss::nft_id);
+
+    return enumerateNFTOffers(context, nftId, keylet::nft_buys(nftId));
+}
+
+}  // namespace xrpl

src/xrpld/rpc/handlers/orderbook/NFTOffersHelpers.h

@@ -1,3 +1,5 @@
+#pragma once
+
 #include <xrpld/rpc/Context.h>
 #include <xrpld/rpc/detail/RPCHelpers.h>
 #include <xrpld/rpc/detail/RPCLedgerHelpers.h>
@@ -14,7 +16,7 @@
 
 namespace xrpl {
 
-static void
+inline void
 appendNftOfferJson(
     Application const& app,
     std::shared_ptr<SLE const> const& offer,
@@ -42,7 +44,7 @@ appendNftOfferJson(
 //   limit: integer                 // optional
 //   marker: opaque                 // optional, resume previous query
 // }
-static Json::Value
+inline Json::Value
 enumerateNFTOffers(RPC::JsonContext& context, uint256 const& nftId, Keylet const& directory)
 {
     unsigned int limit = 0;
@@ -127,32 +129,4 @@ enumerateNFTOffers(RPC::JsonContext& context, uint256 const& nftId, Keylet const
     return result;
 }
 
-Json::Value
-doNFTSellOffers(RPC::JsonContext& context)
-{
-    if (!context.params.isMember(jss::nft_id))
-        return RPC::missing_field_error(jss::nft_id);
-
-    uint256 nftId;
-
-    if (!nftId.parseHex(context.params[jss::nft_id].asString()))
-        return RPC::invalid_field_error(jss::nft_id);
-
-    return enumerateNFTOffers(context, nftId, keylet::nft_sells(nftId));
-}
-
-Json::Value
-doNFTBuyOffers(RPC::JsonContext& context)
-{
-    if (!context.params.isMember(jss::nft_id))
-        return RPC::missing_field_error(jss::nft_id);
-
-    uint256 nftId;
-
-    if (!nftId.parseHex(context.params[jss::nft_id].asString()))
-        return RPC::invalid_field_error(jss::nft_id);
-
-    return enumerateNFTOffers(context, nftId, keylet::nft_buys(nftId));
-}
-
 }  // namespace xrpl

src/xrpld/rpc/handlers/orderbook/NFTSellOffers.cpp

@@ -0,0 +1,24 @@
+#include <xrpld/rpc/Context.h>
+#include <xrpld/rpc/handlers/orderbook/NFTOffersHelpers.h>
+
+#include <xrpl/protocol/ErrorCodes.h>
+#include <xrpl/protocol/RPCErr.h>
+#include <xrpl/protocol/jss.h>
+
+namespace xrpl {
+
+Json::Value
+doNFTSellOffers(RPC::JsonContext& context)
+{
+    if (!context.params.isMember(jss::nft_id))
+        return RPC::missing_field_error(jss::nft_id);
+
+    uint256 nftId;
+
+    if (!nftId.parseHex(context.params[jss::nft_id].asString()))
+        return RPC::invalid_field_error(jss::nft_id);
+
+    return enumerateNFTOffers(context, nftId, keylet::nft_sells(nftId));
+}
+
+}  // namespace xrpl