WIP

The FlowCross amendment is now permanently enabled, so all code branches that have this amendment disabled are removed.

.clang-format

@@ -94,3 +94,4 @@ SpacesInSquareBrackets: false
 Standard:        Cpp11
 TabWidth:        8
 UseTab:          Never
+QualifierAlignment: Right

.codecov.yml

@@ -7,13 +7,13 @@ comment:
   show_carryforward_flags: false
 
 coverage:
-  range: "60..80"
+  range: "70..85"
   precision: 1
   round: nearest
   status:
     project:
       default:
-        target: 60%
+        target: 75%
         threshold: 2%
     patch:
       default:

.github/CODEOWNERS

@@ -0,0 +1,8 @@
+# Allow anyone to review any change by default.
+*
+
+# Require the rpc-reviewers team to review changes to the rpc code.
+include/xrpl/protocol/ @xrplf/rpc-reviewers
+src/libxrpl/protocol/ @xrplf/rpc-reviewers
+src/xrpld/rpc/ @xrplf/rpc-reviewers
+src/xrpld/app/misc/ @xrplf/rpc-reviewers

.github/actions/dependencies/action.yml

@@ -6,36 +6,33 @@ inputs:
 runs:
   using: composite
   steps:
-    - name: unlock Conan
-      shell: bash
-      run: conan remove --locks
     - name: export custom recipes
       shell: bash
       run: |
-        conan config set general.revisions_enabled=1
+        conan export --version 1.1.10 external/snappy
-        conan export external/snappy snappy/1.1.10@
+        conan export --version 9.7.3 external/rocksdb
-        conan export external/rocksdb rocksdb/9.7.3@
+        conan export --version 4.0.3 external/soci
-        conan export external/soci soci/4.0.3@
+        conan export --version 2.0.8 external/nudb
-        conan export external/nudb nudb/2.0.8@
     - name: add Ripple Conan remote
+      if: env.CONAN_URL != ''
       shell: bash
       run: |
-        conan remote list
+        if conan remote list | grep -q "ripple"; then
-        conan remote remove ripple || true
+            conan remote remove ripple
-        # Do not quote the URL. An empty string will be accepted (with
+            echo "Removed conan remote ripple"
-        # a non-fatal warning), but a missing argument will not.
+        fi
-        conan remote add ripple ${{ env.CONAN_URL }} --insert 0
+        conan remote add --index 0 ripple "${CONAN_URL}"
+        echo "Added conan remote ripple at ${CONAN_URL}"
+
     - name: try to authenticate to Ripple Conan remote
+      if: env.CONAN_LOGIN_USERNAME_RIPPLE != '' && env.CONAN_PASSWORD_RIPPLE != ''
       id: remote
       shell: bash
       run: |
-        # `conan user` implicitly uses the environment variables
+        echo "Authenticating to ripple remote..."
-        # CONAN_LOGIN_USERNAME_<REMOTE> and CONAN_PASSWORD_<REMOTE>.
+        conan remote auth ripple --force
-        # https://docs.conan.io/1/reference/commands/misc/user.html#using-environment-variables
+        conan remote list-users
-        # https://docs.conan.io/1/reference/env_vars.html#conan-login-username-conan-login-username-remote-name
+
-        # https://docs.conan.io/1/reference/env_vars.html#conan-password-conan-password-remote-name
-        echo outcome=$(conan user --remote ripple --password >&2 \
-          && echo success || echo failure) | tee ${GITHUB_OUTPUT}
     - name: list missing binaries
       id: binaries
       shell: bash
@@ -51,7 +48,7 @@ runs:
         conan install \
           --output-folder . \
           --build missing \
-          --options tests=True \
+          --options:host "&:tests=True" \
-          --options xrpld=True \
+          --options:host "&:xrpld=True" \
-          --settings build_type=${{ inputs.configuration }} \
+          --settings:all build_type=${{ inputs.configuration }} \
           ..

.github/workflows/clang-format.yml

@@ -9,24 +9,16 @@ jobs:
   check:
     if: ${{ github.event_name == 'push' || github.event.pull_request.draft != true || contains(github.event.pull_request.labels.*.name, 'DraftRunCI') }}
     runs-on: ubuntu-24.04
-    env:
+    container: ghcr.io/xrplf/ci/tools-rippled-clang-format
-      CLANG_VERSION: 18
     steps:
       - uses: actions/checkout@v4
-      - name: Install clang-format
-        run: |
-          codename=$( lsb_release --codename --short )
-          sudo tee /etc/apt/sources.list.d/llvm.list >/dev/null <<EOF
-          deb http://apt.llvm.org/${codename}/ llvm-toolchain-${codename}-${CLANG_VERSION} main
-          deb-src http://apt.llvm.org/${codename}/ llvm-toolchain-${codename}-${CLANG_VERSION} main
-          EOF
-          wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add
-          sudo apt-get update
-          sudo apt-get install clang-format-${CLANG_VERSION}
       - name: Format first-party sources
-        run: find include src tests -type f \( -name '*.cpp' -o -name '*.hpp' -o -name '*.h' -o -name '*.ipp' \) -exec clang-format-${CLANG_VERSION} -i {} +
+        run: |
+          clang-format --version
+          find include src tests -type f \( -name '*.cpp' -o -name '*.hpp' -o -name '*.h' -o -name '*.ipp' \) -exec clang-format -i {} +
       - name: Check for differences
         id: assert
+        shell: bash
         run: |
           set -o pipefail
           git diff --exit-code | tee "clang-format.patch"
@@ -58,6 +50,6 @@ jobs:
                in your repo, commit, and push.
         run: |
           echo "${PREAMBLE}"
-          clang-format-${CLANG_VERSION} --version
+          clang-format --version
           echo "${SUGGESTION}"
           exit 1

.github/workflows/doxygen.yml

@@ -10,7 +10,7 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  job:
+  documentation:
     runs-on: ubuntu-latest
     permissions:
       contents: write

.github/workflows/libxrpl.yml

@@ -1,6 +1,6 @@
 name: Check libXRPL compatibility with Clio
 env:
-  CONAN_URL: http://18.143.149.228:8081/artifactory/api/conan/conan-non-prod
+  CONAN_URL: http://18.143.149.228:8081/artifactory/api/conan/dev
   CONAN_LOGIN_USERNAME_RIPPLE: ${{ secrets.CONAN_USERNAME }}
   CONAN_PASSWORD_RIPPLE: ${{ secrets.CONAN_TOKEN }}
 on:

.github/workflows/macos.yml

@@ -15,6 +15,18 @@ on:
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
+# This part of Conan configuration is specific to this workflow only; we do not want
+# to pollute conan/profiles directory with settings which might not work for others
+env:
+  CONAN_URL: http://18.143.149.228:8081/artifactory/api/conan/dev
+  CONAN_LOGIN_USERNAME_RIPPLE: ${{ secrets.CONAN_USERNAME }}
+  CONAN_PASSWORD_RIPPLE: ${{ secrets.CONAN_TOKEN }}
+  CONAN_GLOBAL_CONF: |
+    core.download:parallel={{os.cpu_count()}}
+    core.upload:parallel={{os.cpu_count()}}
+    tools.build:jobs={{ (os.cpu_count() * 4/5) | int }}
+    tools.build:verbosity=verbose
+    tools.compilation:verbosity=verbose
 
 jobs:
 
@@ -35,11 +47,10 @@ jobs:
       NUM_PROCESSORS: 12
     steps:
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
       - name: install Conan
         run: |
-          brew install conan@1
+          brew install conan
-          echo '/opt/homebrew/opt/conan@1/bin' >> $GITHUB_PATH
       - name: install Ninja
         if: matrix.generator == 'Ninja'
         run: brew install ninja
@@ -71,16 +82,33 @@ jobs:
           nproc --version
           echo -n "nproc returns: "
           nproc
+          system_profiler SPHardwareDataType
+          sysctl -n hw.logicalcpu
+          clang --version
       - name: configure Conan
         run : |
-          conan profile new default --detect || true
+          echo "${CONAN_GLOBAL_CONF}" > global.conf
-          conan profile update settings.compiler.cppstd=20 default
+          conan config install conan/profiles/ -tf $(conan config home)/profiles/
+          conan profile show
+      - name: export custom recipes
+        shell: bash
+        run: |
+          conan export --version 1.1.10 external/snappy
+          conan export --version 9.7.3 external/rocksdb
+          conan export --version 4.0.3 external/soci
+          conan export --version 2.0.8 external/nudb
+      - name: add Ripple Conan remote
+        if: env.CONAN_URL != ''
+        shell: bash
+        run: |
+          if conan remote list | grep -q "ripple"; then
+              conan remote remove ripple
+              echo "Removed conan remote ripple"
+          fi
+          conan remote add --index 0 ripple "${CONAN_URL}"
+          echo "Added conan remote ripple at ${CONAN_URL}"
       - name: build dependencies
         uses: ./.github/actions/dependencies
-        env:
-          CONAN_URL: http://18.143.149.228:8081/artifactory/api/conan/conan-non-prod
-          CONAN_LOGIN_USERNAME_RIPPLE: ${{ secrets.CONAN_USERNAME }}
-          CONAN_PASSWORD_RIPPLE: ${{ secrets.CONAN_TOKEN }}
         with:
           configuration: ${{ matrix.configuration }}
       - name: build
@@ -89,9 +117,11 @@ jobs:
           generator: ${{ matrix.generator }}
           configuration: ${{ matrix.configuration }}
           cmake-args: "-Dassert=TRUE -Dwerr=TRUE ${{ matrix.cmake-args }}"
-      # TODO: Temporary disabled tests
+      - name: test
-      # - name: test
+        run: |
-      #   run: |
+          n=$(nproc)
-      #     n=$(nproc)
+          echo "Using $n test jobs"
-      #     echo "Using $n test jobs"
+
-      #     ${build_dir}/rippled --unittest --unittest-jobs $n
+          cd ${build_dir}
+          ./rippled --unittest --unittest-jobs $n
+          ctest -j $n --output-on-failure

.github/workflows/nix.yml

@@ -16,6 +16,19 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
+# This part of Conan configuration is specific to this workflow only; we do not want
+# to pollute conan/profiles directory with settings which might not work for others
+env:
+  CONAN_URL: http://18.143.149.228:8081/artifactory/api/conan/dev
+  CONAN_LOGIN_USERNAME_RIPPLE: ${{ secrets.CONAN_USERNAME }}
+  CONAN_PASSWORD_RIPPLE: ${{ secrets.CONAN_TOKEN }}
+  CONAN_GLOBAL_CONF: |
+    core.download:parallel={{ os.cpu_count() }}
+    core.upload:parallel={{ os.cpu_count() }}
+    tools.build:jobs={{ (os.cpu_count() * 4/5) | int }}
+    tools.build:verbosity=verbose
+    tools.compilation:verbosity=verbose
+
 # This workflow has multiple job matrixes.
 # They can be considered phases because most of the matrices ("test",
 # "coverage", "conan", ) depend on the first ("dependencies").
@@ -54,59 +67,45 @@ jobs:
           - Release
         include:
           - compiler: gcc
-            profile:
+            compiler_version: 12
-              version: 11
+            distro: ubuntu
-              cc: /usr/bin/gcc
+            codename: jammy
-              cxx: /usr/bin/g++
           - compiler: clang
-            profile:
+            compiler_version: 16
-              version: 14
+            distro: debian
-              cc: /usr/bin/clang-14
+            codename: bookworm
-              cxx: /usr/bin/clang++-14
     runs-on: [self-hosted, heavy]
-    container: ghcr.io/xrplf/rippled-build-ubuntu:aaf5e3e
+    container: ghcr.io/xrplf/ci/${{ matrix.distro }}-${{ matrix.codename }}:${{ matrix.compiler }}-${{ matrix.compiler_version }}
     env:
       build_dir: .build
     steps:
-      - name: upgrade conan
-        run: |
-          pip install --upgrade "conan<2"
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
       - name: check environment
         run: |
           echo ${PATH} | tr ':' '\n'
           lsb_release -a || true
-          ${{ matrix.profile.cc }} --version
+          ${{ matrix.compiler }}-${{ matrix.compiler_version }} --version
           conan --version
           cmake --version
           env | sort
       - name: configure Conan
         run: |
-          conan profile new default --detect
+          echo "${CONAN_GLOBAL_CONF}" >> ${CONAN_HOME}/global.conf
-          conan profile update settings.compiler.cppstd=20 default
+          conan profile show
-          conan profile update settings.compiler=${{ matrix.compiler }} default
-          conan profile update settings.compiler.version=${{ matrix.profile.version }} default
-          conan profile update settings.compiler.libcxx=libstdc++11 default
-          conan profile update env.CC=${{ matrix.profile.cc }} default
-          conan profile update env.CXX=${{ matrix.profile.cxx }} default
-          conan profile update conf.tools.build:compiler_executables='{"c": "${{ matrix.profile.cc }}", "cpp": "${{ matrix.profile.cxx }}"}' default
       - name: archive profile
         # Create this archive before dependencies are added to the local cache.
-        run: tar -czf conan.tar -C ~/.conan .
+        run: tar -czf conan.tar.gz -C ${CONAN_HOME} .
       - name: build dependencies
         uses: ./.github/actions/dependencies
-        env:
+
-          CONAN_URL: http://18.143.149.228:8081/artifactory/api/conan/conan-non-prod
-          CONAN_LOGIN_USERNAME_RIPPLE: ${{ secrets.CONAN_USERNAME }}
-          CONAN_PASSWORD_RIPPLE: ${{ secrets.CONAN_TOKEN }}
         with:
           configuration: ${{ matrix.configuration }}
       - name: upload archive
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02
         with:
           name: ${{ matrix.platform }}-${{ matrix.compiler }}-${{ matrix.configuration }}
-          path: conan.tar
+          path: conan.tar.gz
           if-no-files-found: error
 
   test:
@@ -121,26 +120,32 @@ jobs:
         configuration:
           - Debug
           - Release
+        include:
+          - compiler: gcc
+            compiler_version: 12
+            distro: ubuntu
+            codename: jammy
+          - compiler: clang
+            compiler_version: 16
+            distro: debian
+            codename: bookworm
         cmake-args:
           -
           - "-Dunity=ON"
     needs: dependencies
     runs-on: [self-hosted, heavy]
-    container: ghcr.io/xrplf/rippled-build-ubuntu:aaf5e3e
+    container: ghcr.io/xrplf/ci/${{ matrix.distro }}-${{ matrix.codename }}:${{ matrix.compiler }}-${{ matrix.compiler_version }}
     env:
       build_dir: .build
     steps:
-      - name: upgrade conan
-        run: |
-          pip install --upgrade "conan<2"
       - name: download cache
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093
         with:
           name: ${{ matrix.platform }}-${{ matrix.compiler }}-${{ matrix.configuration }}
       - name: extract cache
         run: |
-          mkdir -p ~/.conan
+          mkdir -p ${CONAN_HOME}
-          tar -xzf conan.tar -C ~/.conan
+          tar -xzf conan.tar.gz -C ${CONAN_HOME}
       - name: check environment
         run: |
           env | sort
@@ -148,11 +153,9 @@ jobs:
           conan --version
           cmake --version
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
       - name: dependencies
         uses: ./.github/actions/dependencies
-        env:
-          CONAN_URL: http://18.143.149.228:8081/artifactory/api/conan/conan-non-prod
         with:
           configuration: ${{ matrix.configuration }}
       - name: build
@@ -163,7 +166,9 @@ jobs:
           cmake-args: "-Dassert=TRUE -Dwerr=TRUE ${{ matrix.cmake-args }}"
       - name: test
         run: |
-          ${build_dir}/rippled --unittest --unittest-jobs $(nproc)
+          cd ${build_dir}
+          ./rippled --unittest --unittest-jobs $(nproc)
+          ctest -j $(nproc) --output-on-failure
 
   reference-fee-test:
     strategy:
@@ -180,21 +185,18 @@ jobs:
           - "-DUNIT_TEST_REFERENCE_FEE=1000"
     needs: dependencies
     runs-on: [self-hosted, heavy]
-    container: ghcr.io/xrplf/rippled-build-ubuntu:aaf5e3e
+    container: ghcr.io/xrplf/ci/ubuntu-jammy:gcc-12
     env:
       build_dir: .build
     steps:
-      - name: upgrade conan
-        run: |
-          pip install --upgrade "conan<2"
       - name: download cache
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093
         with:
           name: ${{ matrix.platform }}-${{ matrix.compiler }}-${{ matrix.configuration }}
       - name: extract cache
         run: |
-          mkdir -p ~/.conan
+          mkdir -p ${CONAN_HOME}
-          tar -xzf conan.tar -C ~/.conan
+          tar -xzf conan.tar.gz -C ${CONAN_HOME}
       - name: check environment
         run: |
           env | sort
@@ -202,11 +204,9 @@ jobs:
           conan --version
           cmake --version
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
       - name: dependencies
         uses: ./.github/actions/dependencies
-        env:
-          CONAN_URL: http://18.143.149.228:8081/artifactory/api/conan/conan-non-prod
         with:
           configuration: ${{ matrix.configuration }}
       - name: build
@@ -217,8 +217,9 @@ jobs:
           cmake-args: "-Dassert=TRUE -Dwerr=TRUE ${{ matrix.cmake-args }}"
       - name: test
         run: |
-          ${build_dir}/rippled --unittest --unittest-jobs $(nproc)
+          cd ${build_dir}
-
+          ./rippled --unittest --unittest-jobs $(nproc)
+          ctest -j $(nproc) --output-on-failure
   coverage:
     strategy:
       fail-fast: false
@@ -231,23 +232,18 @@ jobs:
           - Debug
     needs: dependencies
     runs-on: [self-hosted, heavy]
-    container: ghcr.io/xrplf/rippled-build-ubuntu:aaf5e3e
+    container: ghcr.io/xrplf/ci/ubuntu-jammy:gcc-12
     env:
       build_dir: .build
     steps:
-      - name: upgrade conan
-        run: |
-          pip install --upgrade "conan<2"
       - name: download cache
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093
         with:
           name: ${{ matrix.platform }}-${{ matrix.compiler }}-${{ matrix.configuration }}
       - name: extract cache
         run: |
-          mkdir -p ~/.conan
+          mkdir -p ${CONAN_HOME}
-          tar -xzf conan.tar -C ~/.conan
+          tar -xzf conan.tar.gz -C ${CONAN_HOME}
-      - name: install gcovr
-        run: pip install "gcovr>=7,<8"
       - name: check environment
         run: |
           echo ${PATH} | tr ':' '\n'
@@ -255,13 +251,11 @@ jobs:
           cmake --version
           gcovr --version
           env | sort
-          ls ~/.conan
+          ls ${CONAN_HOME}
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
       - name: dependencies
         uses: ./.github/actions/dependencies
-        env:
-          CONAN_URL: http://18.143.149.228:8081/artifactory/api/conan/conan-non-prod
         with:
           configuration: ${{ matrix.configuration }}
       - name: build
@@ -283,7 +277,7 @@ jobs:
         run: |
           mv "${build_dir}/coverage.xml" ./
       - name: archive coverage report
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02
         with:
           name: coverage.xml
           path: coverage.xml
@@ -302,25 +296,28 @@ jobs:
           attempt_limit: 5
           attempt_delay: 210000 # in milliseconds
 
+
   conan:
     needs: dependencies
     runs-on: [self-hosted, heavy]
-    container: ghcr.io/xrplf/rippled-build-ubuntu:aaf5e3e
+    container:
+      image: ghcr.io/xrplf/ci/ubuntu-jammy:gcc-12
     env:
       build_dir: .build
+      platform: linux
+      compiler: gcc
+      compiler_version: 12
       configuration: Release
     steps:
-      - name: upgrade conan
-        run: |
-          pip install --upgrade "conan<2"
       - name: download cache
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093
         with:
-          name: linux-gcc-${{ env.configuration }}
+          name: ${{ env.platform }}-${{ env.compiler }}-${{ env.configuration }}
+
       - name: extract cache
         run: |
-          mkdir -p ~/.conan
+          mkdir -p ${CONAN_HOME}
-          tar -xzf conan.tar -C ~/.conan
+          tar -xzf conan.tar.gz -C ${CONAN_HOME}
       - name: check environment
         run: |
           env | sort
@@ -328,27 +325,22 @@ jobs:
           conan --version
           cmake --version
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
       - name: dependencies
         uses: ./.github/actions/dependencies
-        env:
-          CONAN_URL: http://18.143.149.228:8081/artifactory/api/conan/conan-non-prod
         with:
           configuration: ${{ env.configuration }}
       - name: export
         run: |
-          version=$(conan inspect --raw version .)
+          conan export . --version head
-          reference="xrpl/${version}@local/test"
-          conan remove -f ${reference} || true
-          conan export . local/test
-          echo "reference=${reference}" >> "${GITHUB_ENV}"
       - name: build
         run: |
           cd tests/conan
-          mkdir ${build_dir}
+          mkdir ${build_dir} && cd ${build_dir}
-          cd ${build_dir}
+          conan install .. \
-          conan install .. --output-folder . \
+            --settings:all build_type=${configuration} \
-            --require-override ${reference} --build missing
+            --output-folder . \
+            --build missing
           cmake .. \
             -DCMAKE_TOOLCHAIN_FILE:FILEPATH=./build/${configuration}/generators/conan_toolchain.cmake \
             -DCMAKE_BUILD_TYPE=${configuration}
@@ -363,60 +355,30 @@ jobs:
     if: ${{ github.event_name == 'push' || github.event.pull_request.draft != true || contains(github.event.pull_request.labels.*.name, 'DraftRunCI') }}
     env:
       CLANG_RELEASE: 16
-    strategy:
-      fail-fast: false
     runs-on: [self-hosted, heavy]
-    container: debian:bookworm
+    container: ghcr.io/xrplf/ci/debian-bookworm:clang-16
-    steps:
-        - name: install prerequisites
-          env:
-            DEBIAN_FRONTEND: noninteractive
-          run: |
-            apt-get update
-            apt-get install --yes --no-install-recommends \
-              clang-${CLANG_RELEASE} clang++-${CLANG_RELEASE} \
-              python3-pip python-is-python3 make cmake git wget
-            apt-get clean
-            update-alternatives --install \
-              /usr/bin/clang clang /usr/bin/clang-${CLANG_RELEASE} 100 \
-              --slave /usr/bin/clang++ clang++ /usr/bin/clang++-${CLANG_RELEASE}
-            update-alternatives --auto clang
-            pip install --no-cache --break-system-packages "conan<2"
 
+    steps:
         - name: checkout
-          uses: actions/checkout@v4
+          uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
 
         - name: prepare environment
           run: |
             mkdir ${GITHUB_WORKSPACE}/.build
             echo "SOURCE_DIR=$GITHUB_WORKSPACE" >> $GITHUB_ENV
             echo "BUILD_DIR=$GITHUB_WORKSPACE/.build" >> $GITHUB_ENV
-            echo "CC=/usr/bin/clang" >> $GITHUB_ENV
-            echo "CXX=/usr/bin/clang++" >> $GITHUB_ENV
 
         - name: configure Conan
           run: |
-            conan profile new --detect default
+            echo "${CONAN_GLOBAL_CONF}" >> ${CONAN_HOME}/global.conf
-            conan profile update settings.compiler=clang default
+            conan profile show
-            conan profile update settings.compiler.version=${CLANG_RELEASE} default
-            conan profile update settings.compiler.libcxx=libstdc++11 default
-            conan profile update settings.compiler.cppstd=20 default
-            conan profile update options.rocksdb=False default
-            conan profile update \
-              'conf.tools.build:compiler_executables={"c": "/usr/bin/clang", "cpp": "/usr/bin/clang++"}' default
-            conan profile update 'env.CXXFLAGS="-DBOOST_ASIO_DISABLE_CONCEPTS"' default
-            conan profile update 'conf.tools.build:cxxflags+=["-DBOOST_ASIO_DISABLE_CONCEPTS"]' default
-            conan export external/snappy snappy/1.1.10@
-            conan export external/soci soci/4.0.3@
-
         - name: build dependencies
           run: |
             cd ${BUILD_DIR}
             conan install ${SOURCE_DIR} \
               --output-folder ${BUILD_DIR} \
-              --install-folder ${BUILD_DIR} \
               --build missing \
-              --settings build_type=Debug
+              --settings:all build_type=Debug
 
         - name: build with instrumentation
           run: |
@@ -441,3 +403,4 @@ jobs:
           run: |
             cd ${BUILD_DIR}
             ./rippled -u --unittest-jobs $(( $(nproc)/4 ))
+            ctest -j $(nproc) --output-on-failure

.github/workflows/windows.yml

@@ -18,6 +18,18 @@ on:
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
+# This part of Conan configuration is specific to this workflow only; we do not want
+# to pollute conan/profiles directory with settings which might not work for others
+env:
+  CONAN_URL: http://18.143.149.228:8081/artifactory/api/conan/dev
+  CONAN_LOGIN_USERNAME_RIPPLE: ${{ secrets.CONAN_USERNAME }}
+  CONAN_PASSWORD_RIPPLE: ${{ secrets.CONAN_TOKEN }}
+  CONAN_GLOBAL_CONF: |
+    core.download:parallel={{os.cpu_count()}}
+    core.upload:parallel={{os.cpu_count()}}
+    tools.build:jobs=24
+    tools.build:verbosity=verbose
+    tools.compilation:verbosity=verbose
 
 jobs:
 
@@ -42,11 +54,11 @@ jobs:
       build_dir: .build
     steps:
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
       - name: choose Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065
         with:
-          python-version: 3.9
+          python-version: 3.13
       - name: learn Python cache directory
         id: pip-cache
         shell: bash
@@ -54,12 +66,12 @@ jobs:
           python -m pip install --upgrade pip
           echo "dir=$(pip cache dir)" | tee ${GITHUB_OUTPUT}
       - name: restore Python cache directory
-        uses: actions/cache@v4
+        uses: actions/cache@5a3ec84eff668545956fd18022155c47e93e2684
         with:
             path: ${{ steps.pip-cache.outputs.dir }}
             key: ${{ runner.os }}-${{ hashFiles('.github/workflows/windows.yml') }}
       - name: install Conan
-        run: pip install wheel 'conan<2'
+        run: pip install wheel conan
       - name: check environment
         run: |
           dir env:
@@ -70,17 +82,29 @@ jobs:
       - name: configure Conan
         shell: bash
         run: |
-          conan profile new default --detect
+          echo "${CONAN_GLOBAL_CONF}" > global.conf
-          conan profile update settings.compiler.cppstd=20 default
+          mv conan/profiles/libxrpl conan/profiles/default
-          conan profile update \
+          conan config install conan/profiles/ -tf $(conan config home)/profiles/
-            settings.compiler.runtime=MT${{ matrix.configuration.runtime }} \
+          conan profile show
-            default
+      - name: export custom recipes
+        shell: bash
+        run: |
+          conan export --version 1.1.10 external/snappy
+          conan export --version 9.7.3 external/rocksdb
+          conan export --version 4.0.3 external/soci
+          conan export --version 2.0.8 external/nudb
+      - name: add Ripple Conan remote
+        if: env.CONAN_URL != ''
+        shell: bash
+        run: |
+          if conan remote list | grep -q "ripple"; then
+              conan remote remove ripple
+              echo "Removed conan remote ripple"
+          fi
+          conan remote add --index 0 ripple "${CONAN_URL}"
+          echo "Added conan remote ripple at ${CONAN_URL}"
       - name: build dependencies
         uses: ./.github/actions/dependencies
-        env:
-          CONAN_URL: http://18.143.149.228:8081/artifactory/api/conan/conan-non-prod
-          CONAN_LOGIN_USERNAME_RIPPLE: ${{ secrets.CONAN_USERNAME }}
-          CONAN_PASSWORD_RIPPLE: ${{ secrets.CONAN_TOKEN }}
         with:
           configuration: ${{ matrix.configuration.type }}
       - name: build
@@ -95,5 +119,6 @@ jobs:
         shell: bash
         if: ${{ matrix.configuration.tests }}
         run: |
-          ${build_dir}/${{ matrix.configuration.type }}/rippled --unittest \
+          cd ${build_dir}/${{ matrix.configuration.type }}
-              --unittest-jobs $(nproc)
+          ./rippled --unittest --unittest-jobs $(nproc)
+          ctest -j $(nproc) --output-on-failure

.pre-commit-config.yaml

@@ -1,6 +1,6 @@
 # .pre-commit-config.yaml
 repos:
 - repo: https://github.com/pre-commit/mirrors-clang-format
-  rev: v18.1.3
+  rev: v18.1.8
   hooks:
   - id: clang-format

BUILD.md

@@ -288,7 +288,7 @@ It fixes some source files to add missing `#include`s.
    Single-config generators:
 
    ```
-   cmake --build .
+   cmake --build . -j $(nproc)
    ```
 
    Multi-config generators:

Builds/levelization/results/ordering.txt

@@ -132,6 +132,7 @@ test.shamap > xrpl.protocol
 test.toplevel > test.csf
 test.toplevel > xrpl.json
 test.unit_test > xrpl.basics
+tests.libxrpl > xrpl.basics
 xrpl.json > xrpl.basics
 xrpl.protocol > xrpl.basics
 xrpl.protocol > xrpl.json

CMakeLists.txt

@@ -90,6 +90,11 @@ set_target_properties(OpenSSL::SSL PROPERTIES
   INTERFACE_COMPILE_DEFINITIONS OPENSSL_NO_SSL2
 )
 set(SECP256K1_INSTALL TRUE)
+set(SECP256K1_BUILD_BENCHMARK FALSE)
+set(SECP256K1_BUILD_TESTS FALSE)
+set(SECP256K1_BUILD_EXHAUSTIVE_TESTS FALSE)
+set(SECP256K1_BUILD_CTIME_TESTS FALSE)
+set(SECP256K1_BUILD_EXAMPLES FALSE)
 add_subdirectory(external/secp256k1)
 add_library(secp256k1::secp256k1 ALIAS secp256k1)
 add_subdirectory(external/ed25519-donna)
@@ -144,3 +149,8 @@ set(PROJECT_EXPORT_SET RippleExports)
 include(RippledCore)
 include(RippledInstall)
 include(RippledValidatorKeys)
+
+if(tests)
+  include(CTest)
+  add_subdirectory(src/tests/libxrpl)
+endif()

README.md

@@ -1,3 +1,5 @@
+[![codecov](https://codecov.io/gh/XRPLF/rippled/graph/badge.svg?token=WyFr5ajq3O)](https://codecov.io/gh/XRPLF/rippled)
+
 # The XRP Ledger
 
 The [XRP Ledger](https://xrpl.org/) is a decentralized cryptographic ledger powered by a network of peer-to-peer nodes. The XRP Ledger uses a novel Byzantine Fault Tolerant consensus algorithm to settle and record transactions in a secure distributed database without a central operator.

SECURITY.md

@@ -83,7 +83,7 @@ To report a qualifying bug, please send a detailed report to:
 |Long Key ID  | `0xCD49A0AFC57929BE`                                |
 |Fingerprint  | `24E6 3B02 37E0 FA9C 5E96 8974 CD49 A0AF C579 29BE` |
 
-The full PGP key for this address, which is also available on several key servers (e.g. on [keys.gnupg.net](https://keys.gnupg.net)), is: 
+The full PGP key for this address, which is also available on several key servers (e.g. on [keyserver.ubuntu.com](https://keyserver.ubuntu.com)), is: 
 ```
 -----BEGIN PGP PUBLIC KEY BLOCK-----
 mQINBFUwGHYBEAC0wpGpBPkd8W1UdQjg9+cEFzeIEJRaoZoeuJD8mofwI5Ejnjdt

cfg/validators-example.txt

@@ -26,7 +26,7 @@
 #
 #   Examples:
 #    https://vl.ripple.com
-#    https://vl.xrplf.org
+#    https://unl.xrplf.org
 #    http://127.0.0.1:8000
 #    file:///etc/opt/ripple/vl.txt
 #

cmake/CodeCoverage.cmake

@@ -98,6 +98,9 @@
 # 2024-04-03, Bronek Kozicki
 #     - add support for output formats: jacoco, clover, lcov
 #
+# 2025-05-12, Jingchen Wu
+#     - add -fprofile-update=atomic to ensure atomic profile generation
+#
 # USAGE:
 #
 # 1. Copy this file into your cmake modules path.
@@ -200,15 +203,27 @@ set(COVERAGE_COMPILER_FLAGS "-g --coverage"
     CACHE INTERNAL "")
 if(CMAKE_CXX_COMPILER_ID MATCHES "(GNU|Clang)")
     include(CheckCXXCompilerFlag)
+    include(CheckCCompilerFlag)
+
     check_cxx_compiler_flag(-fprofile-abs-path HAVE_cxx_fprofile_abs_path)
     if(HAVE_cxx_fprofile_abs_path)
         set(COVERAGE_CXX_COMPILER_FLAGS "${COVERAGE_COMPILER_FLAGS} -fprofile-abs-path")
     endif()
-    include(CheckCCompilerFlag)
+
     check_c_compiler_flag(-fprofile-abs-path HAVE_c_fprofile_abs_path)
     if(HAVE_c_fprofile_abs_path)
         set(COVERAGE_C_COMPILER_FLAGS "${COVERAGE_COMPILER_FLAGS} -fprofile-abs-path")
     endif()
+
+    check_cxx_compiler_flag(-fprofile-update HAVE_cxx_fprofile_update)
+    if(HAVE_cxx_fprofile_update)
+        set(COVERAGE_CXX_COMPILER_FLAGS "${COVERAGE_COMPILER_FLAGS}  -fprofile-update=atomic")
+    endif()
+
+    check_c_compiler_flag(-fprofile-update HAVE_c_fprofile_update)
+    if(HAVE_c_fprofile_update)
+        set(COVERAGE_C_COMPILER_FLAGS "${COVERAGE_COMPILER_FLAGS} -fprofile-update=atomic")
+    endif()
 endif()
 
 set(CMAKE_Fortran_FLAGS_COVERAGE

cmake/RippledDocs.cmake

@@ -53,9 +53,9 @@ set(download_script "${CMAKE_BINARY_DIR}/docs/download-cppreference.cmake")
 file(WRITE
   "${download_script}"
   "file(DOWNLOAD \
-    http://upload.cppreference.com/mwiki/images/b/b2/html_book_20190607.zip \
+    https://github.com/PeterFeicht/cppreference-doc/releases/download/v20250209/html-book-20250209.zip \
     ${CMAKE_BINARY_DIR}/docs/cppreference.zip \
-    EXPECTED_HASH MD5=82b3a612d7d35a83e3cb1195a63689ab \
+    EXPECTED_HASH MD5=bda585f72fbca4b817b29a3d5746567b \
   )\n \
   execute_process( \
     COMMAND \"${CMAKE_COMMAND}\" -E tar -xf cppreference.zip \

cmake/RippledSanity.cmake

@@ -2,16 +2,6 @@
    convenience variables and sanity checks
 #]===================================================================]
 
-include(ProcessorCount)
-
-if (NOT ep_procs)
-  ProcessorCount(ep_procs)
-  if (ep_procs GREATER 1)
-    # never use more than half of cores for EP builds
-    math (EXPR ep_procs "${ep_procs} / 2")
-    message (STATUS "Using ${ep_procs} cores for ExternalProject builds.")
-  endif ()
-endif ()
 get_property(is_multiconfig GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
 
 set (CMAKE_CONFIGURATION_TYPES "Debug;Release" CACHE STRING "" FORCE)

cmake/RippledSettings.cmake

@@ -18,7 +18,7 @@ if(tests)
   endif()
 endif()
 
-option(unity "Creates a build using UNITY support in cmake. This is the default" ON)
+option(unity "Creates a build using UNITY support in cmake." OFF)
 if(unity)
   if(NOT is_ci)
     set(CMAKE_UNITY_BUILD_BATCH_SIZE 15 CACHE STRING "")

cmake/deps/Boost.cmake

@@ -2,7 +2,6 @@ find_package(Boost 1.82 REQUIRED
   COMPONENTS
     chrono
     container
-    context
     coroutine
     date_time
     filesystem
@@ -24,7 +23,7 @@ endif()
 
 target_link_libraries(ripple_boost
   INTERFACE
-    Boost::boost
+    Boost::headers
     Boost::chrono
     Boost::container
     Boost::coroutine

cmake/xrpl_add_test.cmake

@@ -0,0 +1,41 @@
+include(isolate_headers)
+
+function(xrpl_add_test name)
+  set(target ${PROJECT_NAME}.test.${name})
+
+  file(GLOB_RECURSE sources CONFIGURE_DEPENDS
+  "${CMAKE_CURRENT_SOURCE_DIR}/${name}/*.cpp"
+  "${CMAKE_CURRENT_SOURCE_DIR}/${name}.cpp"
+  )
+  add_executable(${target} EXCLUDE_FROM_ALL ${ARGN} ${sources})
+
+  isolate_headers(
+    ${target}
+    "${CMAKE_SOURCE_DIR}"
+    "${CMAKE_SOURCE_DIR}/tests/${name}"
+    PRIVATE
+  )
+
+  # Make sure the test isn't optimized away in unity builds
+  set_target_properties(${target} PROPERTIES
+    UNITY_BUILD_MODE GROUP
+    UNITY_BUILD_BATCH_SIZE 0)  # Adjust as needed
+
+  add_test(NAME ${target} COMMAND ${target})
+  set_tests_properties(
+    ${target} PROPERTIES
+    FIXTURES_REQUIRED ${target}_fixture
+  )
+
+  add_test(
+    NAME ${target}.build
+    COMMAND
+      ${CMAKE_COMMAND}
+      --build ${CMAKE_BINARY_DIR}
+      --config $<CONFIG>
+      --target ${target}
+  )
+  set_tests_properties(${target}.build PROPERTIES
+    FIXTURES_SETUP ${target}_fixture
+  )
+endfunction()

conan/profiles/libxrpl

@@ -0,0 +1,23 @@
+{% set os = detect_api.detect_os() %}
+{% set arch = detect_api.detect_arch() %}
+{% set compiler, version, compiler_exe = detect_api.detect_default_compiler() %}
+{% set compiler_version = version %}
+{% if os == "Linux" %}
+{% set compiler_version = detect_api.default_compiler_version(compiler, version) %}
+{% endif %}
+
+{% if os == "Linux" %}
+include(default)
+{% endif %}
+
+[settings]
+os={{ os }}
+arch={{ arch }}
+compiler={{compiler}}
+compiler.version={{ compiler_version }}
+compiler.cppstd=20
+{% if os == "Windows" %}
+compiler.runtime=static
+{% else %}
+compiler.libcxx={{detect_api.detect_libcxx(compiler, version, compiler_exe)}}
+{% endif %}

conanfile.py

@@ -1,4 +1,4 @@
-from conan import ConanFile
+from conan import ConanFile, __version__ as conan_version
 from conan.tools.cmake import CMake, CMakeToolchain, cmake_layout
 import re
 
@@ -24,16 +24,18 @@ class Xrpl(ConanFile):
     }
 
     requires = [
-        'date/3.0.3',
         'grpc/1.50.1',
         'libarchive/3.7.6',
         'nudb/2.0.8',
         'openssl/1.1.1v',
         'soci/4.0.3',
-        'xxhash/0.8.2',
         'zlib/1.3.1',
     ]
 
+    test_requires = [
+        'doctest/2.4.11',
+    ]
+
     tool_requires = [
         'protobuf/3.21.9',
     ]
@@ -87,9 +89,10 @@ class Xrpl(ConanFile):
     }
 
     def set_version(self):
+        if self.version is None:
             path = f'{self.recipe_folder}/src/libxrpl/protocol/BuildInfo.cpp'
             regex = r'versionString\s?=\s?\"(.*)\"'
-        with open(path, 'r') as file:
+            with open(path, encoding='utf-8') as file:
                 matches = (re.search(regex, line) for line in file)
                 match = next(m for m in matches if m)
                 self.version = match.group(1)
@@ -99,7 +102,10 @@ class Xrpl(ConanFile):
             self.options['boost'].visibility = 'global'
 
     def requirements(self):
-        self.requires('boost/1.83.0', force=True)
+        # Conan 2 requires transitive headers to be specified
+        transitive_headers_opt = {'transitive_headers': True} if conan_version.split('.')[0] == '2' else {}
+        self.requires('boost/1.83.0', force=True, **transitive_headers_opt)
+        self.requires('date/3.0.3', **transitive_headers_opt)
         self.requires('lz4/1.10.0', force=True)
         self.requires('protobuf/3.21.9', force=True)
         self.requires('sqlite3/3.47.0', force=True)
@@ -107,6 +113,7 @@ class Xrpl(ConanFile):
             self.requires('jemalloc/5.3.0')
         if self.options.rocksdb:
             self.requires('rocksdb/9.7.3')
+        self.requires('xxhash/0.8.2', **transitive_headers_opt)
 
     exports_sources = (
         'CMakeLists.txt',
@@ -136,6 +143,8 @@ class Xrpl(ConanFile):
         tc.variables['static'] = self.options.static
         tc.variables['unity'] = self.options.unity
         tc.variables['xrpld'] = self.options.xrpld
+        if self.settings.compiler == 'clang' and self.settings.compiler.version == 16:
+            tc.extra_cxxflags = ["-DBOOST_ASIO_DISABLE_CONCEPTS"]
         tc.generate()
 
     def build(self):
@@ -161,7 +170,17 @@ class Xrpl(ConanFile):
         # `include/`, not `include/ripple/proto/`.
         libxrpl.includedirs = ['include', 'include/ripple/proto']
         libxrpl.requires = [
-            'boost::boost',
+            'boost::headers',
+            'boost::chrono',
+            'boost::container',
+            'boost::coroutine',
+            'boost::date_time',
+            'boost::filesystem',
+            'boost::json',
+            'boost::program_options',
+            'boost::regex',
+            'boost::system',
+            'boost::thread',
             'date::date',
             'grpc::grpc++',
             'libarchive::libarchive',

docs/build/environment.md

@@ -23,7 +23,7 @@ direction.
 
 ```
 apt update
-apt install --yes curl git libssl-dev python3.10-dev python3-pip make g++-11 libprotobuf-dev protobuf-compiler
+apt install --yes curl git libssl-dev pipx python3.10-dev python3-pip make g++-11 libprotobuf-dev protobuf-compiler
 
 curl --location --remote-name \
   "https://github.com/Kitware/CMake/releases/download/v3.25.1/cmake-3.25.1.tar.gz"
@@ -35,7 +35,8 @@ make --jobs $(nproc)
 make install
 cd ..
 
-pip3 install 'conan<2'
+pipx install 'conan<2'
+pipx ensurepath
 ```
 
 [1]: https://github.com/thejohnfreeman/rippled-docker/blob/master/ubuntu-22.04/install.sh

external/antithesis-sdk/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.25)
+cmake_minimum_required(VERSION 3.18)
 
 # Note, version set explicitly by rippled project
 project(antithesis-sdk-cpp VERSION 0.4.4 LANGUAGES CXX)

include/xrpl/basics/BasicConfig.h

@@ -367,7 +367,7 @@ get(Section const& section,
 }
 
 inline std::string
-get(Section const& section, std::string const& name, const char* defaultValue)
+get(Section const& section, std::string const& name, char const* defaultValue)
 {
     try
     {

include/xrpl/basics/Buffer.h

@@ -25,6 +25,7 @@
 
 #include <cstdint>
 #include <cstring>
+#include <memory>
 
 namespace ripple {
 

include/xrpl/basics/CompressionAlgorithms.h

@@ -55,7 +55,7 @@ lz4Compress(void const* in, std::size_t inSize, BufferFactory&& bf)
     auto compressed = bf(outCapacity);
 
     auto compressedSize = LZ4_compress_default(
-        reinterpret_cast<const char*>(in),
+        reinterpret_cast<char const*>(in),
         reinterpret_cast<char*>(compressed),
         inSize,
         outCapacity);
@@ -89,7 +89,7 @@ lz4Decompress(
         Throw<std::runtime_error>("lz4Decompress: integer overflow (output)");
 
     if (LZ4_decompress_safe(
-            reinterpret_cast<const char*>(in),
+            reinterpret_cast<char const*>(in),
             reinterpret_cast<char*>(decompressed),
             inSize,
             decompressedSize) != decompressedSize)

include/xrpl/basics/Expected.h

@@ -22,8 +22,18 @@
 
 #include <xrpl/basics/contract.h>
 
+#if defined(__clang__)
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated"
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
+#endif
+
 #include <boost/outcome.hpp>
 
+#if defined(__clang__)
+#pragma clang diagnostic pop
+#endif
+
 #include <stdexcept>
 
 namespace ripple {
@@ -93,7 +103,7 @@ public:
     {
     }
 
-    constexpr const E&
+    constexpr E const&
     value() const&
     {
         return val_;
@@ -111,7 +121,7 @@ public:
         return std::move(val_);
     }
 
-    constexpr const E&&
+    constexpr E const&&
     value() const&&
     {
         return std::move(val_);

include/xrpl/basics/StringUtilities.h

@@ -29,7 +29,6 @@
 #include <array>
 #include <cstdint>
 #include <optional>
-#include <sstream>
 #include <string>
 
 namespace ripple {

include/xrpl/basics/TaggedCache.h

@@ -115,7 +115,7 @@ public:
     sweep();
 
     bool
-    del(const key_type& key, bool valid);
+    del(key_type const& key, bool valid);
 
 public:
     /** Replace aliased objects with originals.
@@ -134,20 +134,20 @@ public:
     template <class R>
     bool
     canonicalize(
-        const key_type& key,
+        key_type const& key,
         SharedPointerType& data,
         R&& replaceCallback);
 
     bool
     canonicalize_replace_cache(
-        const key_type& key,
+        key_type const& key,
         SharedPointerType const& data);
 
     bool
-    canonicalize_replace_client(const key_type& key, SharedPointerType& data);
+    canonicalize_replace_client(key_type const& key, SharedPointerType& data);
 
     SharedPointerType
-    fetch(const key_type& key);
+    fetch(key_type const& key);
 
     /** Insert the element into the container.
         If the key already exists, nothing happens.
@@ -168,7 +168,7 @@ public:
     //             simply return an iterator.
     //
     bool
-    retrieve(const key_type& key, T& data);
+    retrieve(key_type const& key, T& data);
 
     mutex_type&
     peekMutex();
@@ -322,10 +322,10 @@ private:
     std::string m_name;
 
     // Desired number of cache entries (0 = ignore)
-    const int m_target_size;
+    int const m_target_size;
 
     // Desired maximum cache age
-    const clock_type::duration m_target_age;
+    clock_type::duration const m_target_age;
 
     // Number of items cached
     int m_cache_count;

include/xrpl/basics/TaggedCache.ipp

@@ -365,7 +365,7 @@ TaggedCache<
     SharedPointerType,
     Hash,
     KeyEqual,
-    Mutex>::del(const key_type& key, bool valid)
+    Mutex>::del(key_type const& key, bool valid)
 {
     // Remove from cache, if !valid, remove from map too. Returns true if
     // removed from cache
@@ -414,7 +414,7 @@ TaggedCache<
     KeyEqual,
     Mutex>::
     canonicalize(
-        const key_type& key,
+        key_type const& key,
         SharedPointerType& data,
         R&& replaceCallback)
 {
@@ -509,7 +509,7 @@ TaggedCache<
     KeyEqual,
     Mutex>::
     canonicalize_replace_cache(
-        const key_type& key,
+        key_type const& key,
         SharedPointerType const& data)
 {
     return canonicalize(
@@ -535,7 +535,7 @@ TaggedCache<
     Hash,
     KeyEqual,
     Mutex>::
-    canonicalize_replace_client(const key_type& key, SharedPointerType& data)
+    canonicalize_replace_client(key_type const& key, SharedPointerType& data)
 {
     return canonicalize(key, data, []() { return false; });
 }
@@ -558,7 +558,7 @@ TaggedCache<
     SharedPointerType,
     Hash,
     KeyEqual,
-    Mutex>::fetch(const key_type& key)
+    Mutex>::fetch(key_type const& key)
 {
     std::lock_guard<mutex_type> l(m_mutex);
     auto ret = initialFetch(key, l);
@@ -656,7 +656,7 @@ TaggedCache<
     SharedPointerType,
     Hash,
     KeyEqual,
-    Mutex>::retrieve(const key_type& key, T& data)
+    Mutex>::retrieve(key_type const& key, T& data)
 {
     // retrieve the value of the stored data
     auto entry = fetch(key);

include/xrpl/basics/algorithm.h

@@ -20,7 +20,6 @@
 #ifndef RIPPLE_ALGORITHM_H_INCLUDED
 #define RIPPLE_ALGORITHM_H_INCLUDED
 
-#include <iterator>
 #include <utility>
 
 namespace ripple {

include/xrpl/basics/base_uint.h

@@ -374,7 +374,7 @@ public:
     }
 
     base_uint&
-    operator^=(const base_uint& b)
+    operator^=(base_uint const& b)
     {
         for (int i = 0; i < WIDTH; i++)
             data_[i] ^= b.data_[i];
@@ -383,7 +383,7 @@ public:
     }
 
     base_uint&
-    operator&=(const base_uint& b)
+    operator&=(base_uint const& b)
     {
         for (int i = 0; i < WIDTH; i++)
             data_[i] &= b.data_[i];
@@ -392,7 +392,7 @@ public:
     }
 
     base_uint&
-    operator|=(const base_uint& b)
+    operator|=(base_uint const& b)
     {
         for (int i = 0; i < WIDTH; i++)
             data_[i] |= b.data_[i];
@@ -415,11 +415,11 @@ public:
         return *this;
     }
 
-    const base_uint
+    base_uint const
     operator++(int)
     {
         // postfix operator
-        const base_uint ret = *this;
+        base_uint const ret = *this;
         ++(*this);
 
         return ret;
@@ -441,11 +441,11 @@ public:
         return *this;
     }
 
-    const base_uint
+    base_uint const
     operator--(int)
     {
         // postfix operator
-        const base_uint ret = *this;
+        base_uint const ret = *this;
         --(*this);
 
         return ret;
@@ -466,7 +466,7 @@ public:
     }
 
     base_uint&
-    operator+=(const base_uint& b)
+    operator+=(base_uint const& b)
     {
         std::uint64_t carry = 0;
 
@@ -511,7 +511,7 @@ public:
     }
 
     [[nodiscard]] constexpr bool
-    parseHex(const char* str)
+    parseHex(char const* str)
     {
         return parseHex(std::string_view{str});
     }

include/xrpl/basics/comparators.h

@@ -43,7 +43,7 @@ struct less
     using result_type = bool;
 
     constexpr bool
-    operator()(const T& left, const T& right) const
+    operator()(T const& left, T const& right) const
     {
         return std::less<T>()(left, right);
     }
@@ -55,7 +55,7 @@ struct equal_to
     using result_type = bool;
 
     constexpr bool
-    operator()(const T& left, const T& right) const
+    operator()(T const& left, T const& right) const
     {
         return std::equal_to<T>()(left, right);
     }

include/xrpl/basics/hardened_hash.h

@@ -24,12 +24,8 @@
 #include <xrpl/beast/hash/xxhasher.h>
 
 #include <cstdint>
-#include <functional>
 #include <mutex>
 #include <random>
-#include <type_traits>
-#include <unordered_map>
-#include <unordered_set>
 #include <utility>
 
 namespace ripple {

include/xrpl/basics/mulDiv.h

@@ -23,7 +23,6 @@
 #include <cstdint>
 #include <limits>
 #include <optional>
-#include <utility>
 
 namespace ripple {
 auto constexpr muldiv_max = std::numeric_limits<std::uint64_t>::max();

include/xrpl/basics/partitioned_unordered_map.h

@@ -52,7 +52,7 @@ template <
     typename Value,
     typename Hash,
     typename Pred = std::equal_to<Key>,
-    typename Alloc = std::allocator<std::pair<const Key, Value>>>
+    typename Alloc = std::allocator<std::pair<Key const, Value>>>
 class partitioned_unordered_map
 {
     std::size_t partitions_;

include/xrpl/basics/tagged_integer.h

@@ -24,10 +24,8 @@
 
 #include <boost/operators.hpp>
 
-#include <functional>
 #include <iostream>
 #include <type_traits>
-#include <utility>
 
 namespace ripple {
 
@@ -76,13 +74,13 @@ public:
     }
 
     bool
-    operator<(const tagged_integer& rhs) const noexcept
+    operator<(tagged_integer const& rhs) const noexcept
     {
         return m_value < rhs.m_value;
     }
 
     bool
-    operator==(const tagged_integer& rhs) const noexcept
+    operator==(tagged_integer const& rhs) const noexcept
     {
         return m_value == rhs.m_value;
     }
@@ -144,14 +142,14 @@ public:
     }
 
     tagged_integer&
-    operator<<=(const tagged_integer& rhs) noexcept
+    operator<<=(tagged_integer const& rhs) noexcept
     {
         m_value <<= rhs.m_value;
         return *this;
     }
 
     tagged_integer&
-    operator>>=(const tagged_integer& rhs) noexcept
+    operator>>=(tagged_integer const& rhs) noexcept
     {
         m_value >>= rhs.m_value;
         return *this;

include/xrpl/beast/clock/abstract_clock.h

@@ -20,9 +20,6 @@
 #ifndef BEAST_CHRONO_ABSTRACT_CLOCK_H_INCLUDED
 #define BEAST_CHRONO_ABSTRACT_CLOCK_H_INCLUDED
 
-#include <chrono>
-#include <string>
-
 namespace beast {
 
 /** Abstract interface to a clock.

include/xrpl/beast/clock/manual_clock.h

@@ -23,6 +23,8 @@
 #include <xrpl/beast/clock/abstract_clock.h>
 #include <xrpl/beast/utility/instrumentation.h>
 
+#include <chrono>
+
 namespace beast {
 
 /** Manual clock implementation.

include/xrpl/beast/container/aged_container_utility.h

@@ -22,6 +22,7 @@
 
 #include <xrpl/beast/container/aged_container.h>
 
+#include <chrono>
 #include <type_traits>
 
 namespace beast {

include/xrpl/beast/container/detail/aged_associative_container.h

@@ -20,8 +20,6 @@
 #ifndef BEAST_CONTAINER_DETAIL_AGED_ASSOCIATIVE_CONTAINER_H_INCLUDED
 #define BEAST_CONTAINER_DETAIL_AGED_ASSOCIATIVE_CONTAINER_H_INCLUDED
 
-#include <type_traits>
-
 namespace beast {
 namespace detail {
 

include/xrpl/beast/container/detail/aged_ordered_container.h

@@ -33,7 +33,6 @@
 #include <algorithm>
 #include <functional>
 #include <initializer_list>
-#include <iterator>
 #include <memory>
 #include <type_traits>
 #include <utility>

include/xrpl/beast/core/LexicalCast.h

@@ -29,11 +29,9 @@
 #include <charconv>
 #include <cstdlib>
 #include <iterator>
-#include <limits>
 #include <string>
 #include <type_traits>
 #include <typeinfo>
-#include <utility>
 
 namespace beast {
 

include/xrpl/beast/hash/hash_append.h

@@ -24,14 +24,36 @@
 #include <boost/container/flat_set.hpp>
 #include <boost/endian/conversion.hpp>
 
+/*
+
+Workaround for overzealous clang warning, which trips on libstdc++ headers
+
+  In file included from
+  /usr/lib/gcc/x86_64-linux-gnu/12/../../../../include/c++/12/bits/stl_algo.h:61:
+  /usr/lib/gcc/x86_64-linux-gnu/12/../../../../include/c++/12/bits/stl_tempbuf.h:263:8:
+  error: 'get_temporary_buffer<std::pair<ripple::Quality, const
+  std::vector<std::unique_ptr<ripple::Step>> *>>' is deprecated
+  [-Werror,-Wdeprecated-declarations] 263 |
+  std::get_temporary_buffer<value_type>(_M_original_len));
+       ^
+*/
+
+#if defined(__clang__)
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated"
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
+#endif
+
+#include <functional>
+
+#if defined(__clang__)
+#pragma clang diagnostic pop
+#endif
+
 #include <array>
 #include <chrono>
-#include <cstdint>
 #include <cstring>
-#include <functional>
-#include <map>
 #include <memory>
-#include <set>
 #include <string>
 #include <system_error>
 #include <tuple>

include/xrpl/beast/hash/uhash.h

@@ -30,7 +30,7 @@ namespace beast {
 template <class Hasher = xxhasher>
 struct uhash
 {
-    explicit uhash() = default;
+    uhash() = default;
 
     using result_type = typename Hasher::result_type;
 

include/xrpl/beast/net/IPAddress.h

@@ -29,11 +29,7 @@
 #include <boost/asio/ip/address.hpp>
 #include <boost/functional/hash.hpp>
 
-#include <cstdint>
-#include <ios>
-#include <sstream>
 #include <string>
-#include <typeinfo>
 
 //------------------------------------------------------------------------------
 

include/xrpl/beast/net/IPAddressV4.h

@@ -24,12 +24,6 @@
 
 #include <boost/asio/ip/address_v4.hpp>
 
-#include <cstdint>
-#include <functional>
-#include <ios>
-#include <string>
-#include <utility>
-
 namespace beast {
 namespace IP {
 

include/xrpl/beast/net/IPAddressV6.h

@@ -24,12 +24,6 @@
 
 #include <boost/asio/ip/address_v6.hpp>
 
-#include <cstdint>
-#include <functional>
-#include <ios>
-#include <string>
-#include <utility>
-
 namespace beast {
 namespace IP {
 

include/xrpl/beast/net/IPEndpoint.h

@@ -25,7 +25,6 @@
 #include <xrpl/beast/net/IPAddress.h>
 
 #include <cstdint>
-#include <ios>
 #include <optional>
 #include <string>
 
@@ -215,7 +214,7 @@ namespace std {
 template <>
 struct hash<::beast::IP::Endpoint>
 {
-    explicit hash() = default;
+    hash() = default;
 
     std::size_t
     operator()(::beast::IP::Endpoint const& endpoint) const
@@ -230,7 +229,7 @@ namespace boost {
 template <>
 struct hash<::beast::IP::Endpoint>
 {
-    explicit hash() = default;
+    hash() = default;
 
     std::size_t
     operator()(::beast::IP::Endpoint const& endpoint) const

include/xrpl/beast/rfc2616.h

@@ -28,10 +28,8 @@
 
 #include <algorithm>
 #include <cctype>
-#include <cstdint>
 #include <iterator>
 #include <string>
-#include <utility>
 #include <vector>
 
 namespace beast {

include/xrpl/beast/test/yield_to.h

@@ -13,7 +13,6 @@
 #include <boost/optional.hpp>
 
 #include <condition_variable>
-#include <functional>
 #include <mutex>
 #include <thread>
 #include <vector>

include/xrpl/beast/unit_test/reporter.h

@@ -16,7 +16,6 @@
 
 #include <algorithm>
 #include <chrono>
-#include <functional>
 #include <iomanip>
 #include <iostream>
 #include <sstream>

include/xrpl/beast/unit_test/runner.h

@@ -13,7 +13,6 @@
 #include <boost/assert.hpp>
 
 #include <mutex>
-#include <ostream>
 #include <string>
 
 namespace beast {

include/xrpl/beast/utility/rngfill.h

@@ -48,8 +48,10 @@ rngfill(void* buffer, std::size_t bytes, Generator& g)
 
 #ifdef __GNUC__
     // gcc 11.1 (falsely) warns about an array-bounds overflow in release mode.
+    // gcc 12.1 (also falsely) warns about an string overflow in release mode.
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Warray-bounds"
+#pragma GCC diagnostic ignored "-Wstringop-overflow"
 #endif
 
     if (bytes > 0)

include/xrpl/beast/utility/temp_dir.h

@@ -37,9 +37,9 @@ class temp_dir
 
 public:
 #if !GENERATING_DOCS
-    temp_dir(const temp_dir&) = delete;
+    temp_dir(temp_dir const&) = delete;
     temp_dir&
-    operator=(const temp_dir&) = delete;
+    operator=(temp_dir const&) = delete;
 #endif
 
     /// Construct a temporary directory.

include/xrpl/json/json_reader.h

@@ -39,7 +39,7 @@ class Reader
 {
 public:
     using Char = char;
-    using Location = const Char*;
+    using Location = Char const*;
 
     /** \brief Constructs a Reader allowing all features
      * for parsing.
@@ -64,7 +64,7 @@ public:
      * error occurred.
      */
     bool
-    parse(const char* beginDoc, const char* endDoc, Value& root);
+    parse(char const* beginDoc, char const* endDoc, Value& root);
 
     /// \brief Parse from input stream.
     /// \see Json::operator>>(std::istream&, Json::Value&).
@@ -133,7 +133,7 @@ private:
     using Errors = std::deque<ErrorInfo>;
 
     bool
-    expectToken(TokenType type, Token& token, const char* message);
+    expectToken(TokenType type, Token& token, char const* message);
     bool
     readToken(Token& token);
     void

include/xrpl/json/json_value.h

@@ -20,6 +20,7 @@
 #ifndef RIPPLE_JSON_JSON_VALUE_H_INCLUDED
 #define RIPPLE_JSON_JSON_VALUE_H_INCLUDED
 
+#include <xrpl/basics/Number.h>
 #include <xrpl/json/json_forwards.h>
 
 #include <cstring>
@@ -61,24 +62,24 @@ enum ValueType {
 class StaticString
 {
 public:
-    constexpr explicit StaticString(const char* czstring) : str_(czstring)
+    constexpr explicit StaticString(char const* czstring) : str_(czstring)
     {
     }
 
     constexpr
-    operator const char*() const
+    operator char const*() const
     {
         return str_;
     }
 
-    constexpr const char*
+    constexpr char const*
     c_str() const
     {
         return str_;
     }
 
 private:
-    const char* str_;
+    char const* str_;
 };
 
 inline bool
@@ -156,10 +157,10 @@ public:
     using Int = Json::Int;
     using ArrayIndex = UInt;
 
-    static const Value null;
+    static Value const null;
-    static const Int minInt;
+    static Int const minInt;
-    static const Int maxInt;
+    static Int const maxInt;
-    static const UInt maxUInt;
+    static UInt const maxUInt;
 
 private:
     class CZString
@@ -171,24 +172,24 @@ private:
             duplicateOnCopy
         };
         CZString(int index);
-        CZString(const char* cstr, DuplicationPolicy allocate);
+        CZString(char const* cstr, DuplicationPolicy allocate);
-        CZString(const CZString& other);
+        CZString(CZString const& other);
         ~CZString();
         CZString&
-        operator=(const CZString& other) = delete;
+        operator=(CZString const& other) = delete;
         bool
-        operator<(const CZString& other) const;
+        operator<(CZString const& other) const;
         bool
-        operator==(const CZString& other) const;
+        operator==(CZString const& other) const;
         int
         index() const;
-        const char*
+        char const*
         c_str() const;
         bool
         isStaticString() const;
 
     private:
-        const char* cstr_;
+        char const* cstr_;
         int index_;
     };
 
@@ -215,7 +216,8 @@ public:
     Value(Int value);
     Value(UInt value);
     Value(double value);
-    Value(const char* value);
+    Value(char const* value);
+    Value(ripple::Number const& value);
     /** \brief Constructs a value from a static string.
 
      * Like other value string constructor but do not duplicate the string for
@@ -227,10 +229,10 @@ public:
      * Json::Value aValue( StaticString("some text") );
      * \endcode
      */
-    Value(const StaticString& value);
+    Value(StaticString const& value);
     Value(std::string const& value);
     Value(bool value);
-    Value(const Value& other);
+    Value(Value const& other);
     ~Value();
 
     Value&
@@ -247,7 +249,7 @@ public:
     ValueType
     type() const;
 
-    const char*
+    char const*
     asCString() const;
     /** Returns the unquoted string value. */
     std::string
@@ -317,12 +319,12 @@ public:
     /// Access an array element (zero based index )
     /// (You may need to say 'value[0u]' to get your compiler to distinguish
     ///  this from the operator[] which takes a string.)
-    const Value&
+    Value const&
     operator[](UInt index) const;
     /// If the array contains at least index+1 elements, returns the element
     /// value, otherwise returns defaultValue.
     Value
-    get(UInt index, const Value& defaultValue) const;
+    get(UInt index, Value const& defaultValue) const;
     /// Return true if index < size().
     bool
     isValidIndex(UInt index) const;
@@ -330,25 +332,25 @@ public:
     ///
     /// Equivalent to jsonvalue[jsonvalue.size()] = value;
     Value&
-    append(const Value& value);
+    append(Value const& value);
     Value&
     append(Value&& value);
 
     /// Access an object value by name, create a null member if it does not
     /// exist.
     Value&
-    operator[](const char* key);
+    operator[](char const* key);
     /// Access an object value by name, returns null if there is no member with
     /// that name.
-    const Value&
+    Value const&
-    operator[](const char* key) const;
+    operator[](char const* key) const;
     /// Access an object value by name, create a null member if it does not
     /// exist.
     Value&
     operator[](std::string const& key);
     /// Access an object value by name, returns null if there is no member with
     /// that name.
-    const Value&
+    Value const&
     operator[](std::string const& key) const;
     /** \brief Access an object value by name, create a null member if it does
      not exist.
@@ -364,14 +366,16 @@ public:
      * \endcode
      */
     Value&
-    operator[](const StaticString& key);
+    operator[](StaticString const& key);
+    Value const&
+    operator[](StaticString const& key) const;
 
     /// Return the member named key if it exist, defaultValue otherwise.
     Value
-    get(const char* key, const Value& defaultValue) const;
+    get(char const* key, Value const& defaultValue) const;
     /// Return the member named key if it exist, defaultValue otherwise.
     Value
-    get(std::string const& key, const Value& defaultValue) const;
+    get(std::string const& key, Value const& defaultValue) const;
 
     /// \brief Remove and return the named member.
     ///
@@ -380,14 +384,14 @@ public:
     /// \pre type() is objectValue or nullValue
     /// \post type() is unchanged
     Value
-    removeMember(const char* key);
+    removeMember(char const* key);
     /// Same as removeMember(const char*)
     Value
     removeMember(std::string const& key);
 
     /// Return true if the object has a member named key.
     bool
-    isMember(const char* key) const;
+    isMember(char const* key) const;
     /// Return true if the object has a member named key.
     bool
     isMember(std::string const& key) const;
@@ -414,13 +418,13 @@ public:
     end();
 
     friend bool
-    operator==(const Value&, const Value&);
+    operator==(Value const&, Value const&);
     friend bool
-    operator<(const Value&, const Value&);
+    operator<(Value const&, Value const&);
 
 private:
     Value&
-    resolveReference(const char* key, bool isStatic);
+    resolveReference(char const* key, bool isStatic);
 
 private:
     union ValueHolder
@@ -436,32 +440,38 @@ private:
     int allocated_ : 1;  // Notes: if declared as bool, bitfield is useless.
 };
 
+inline Value
+to_json(ripple::Number const& number)
+{
+    return to_string(number);
+}
+
 bool
-operator==(const Value&, const Value&);
+operator==(Value const&, Value const&);
 
 inline bool
-operator!=(const Value& x, const Value& y)
+operator!=(Value const& x, Value const& y)
 {
     return !(x == y);
 }
 
 bool
-operator<(const Value&, const Value&);
+operator<(Value const&, Value const&);
 
 inline bool
-operator<=(const Value& x, const Value& y)
+operator<=(Value const& x, Value const& y)
 {
     return !(y < x);
 }
 
 inline bool
-operator>(const Value& x, const Value& y)
+operator>(Value const& x, Value const& y)
 {
     return y < x;
 }
 
 inline bool
-operator>=(const Value& x, const Value& y)
+operator>=(Value const& x, Value const& y)
 {
     return !(x < y);
 }
@@ -482,11 +492,11 @@ public:
     virtual ~ValueAllocator() = default;
 
     virtual char*
-    makeMemberName(const char* memberName) = 0;
+    makeMemberName(char const* memberName) = 0;
     virtual void
     releaseMemberName(char* memberName) = 0;
     virtual char*
-    duplicateStringValue(const char* value, unsigned int length = unknown) = 0;
+    duplicateStringValue(char const* value, unsigned int length = unknown) = 0;
     virtual void
     releaseStringValue(char* value) = 0;
 };
@@ -503,16 +513,16 @@ public:
 
     ValueIteratorBase();
 
-    explicit ValueIteratorBase(const Value::ObjectValues::iterator& current);
+    explicit ValueIteratorBase(Value::ObjectValues::iterator const& current);
 
     bool
-    operator==(const SelfType& other) const
+    operator==(SelfType const& other) const
     {
         return isEqual(other);
     }
 
     bool
-    operator!=(const SelfType& other) const
+    operator!=(SelfType const& other) const
     {
         return !isEqual(other);
     }
@@ -528,7 +538,7 @@ public:
 
     /// Return the member name of the referenced Value. "" if it is not an
     /// objectValue.
-    const char*
+    char const*
     memberName() const;
 
 protected:
@@ -542,13 +552,13 @@ protected:
     decrement();
 
     difference_type
-    computeDistance(const SelfType& other) const;
+    computeDistance(SelfType const& other) const;
 
     bool
-    isEqual(const SelfType& other) const;
+    isEqual(SelfType const& other) const;
 
     void
-    copy(const SelfType& other);
+    copy(SelfType const& other);
 
 private:
     Value::ObjectValues::iterator current_;
@@ -566,8 +576,8 @@ class ValueConstIterator : public ValueIteratorBase
 public:
     using size_t = unsigned int;
     using difference_type = int;
-    using reference = const Value&;
+    using reference = Value const&;
-    using pointer = const Value*;
+    using pointer = Value const*;
     using SelfType = ValueConstIterator;
 
     ValueConstIterator() = default;
@@ -575,11 +585,11 @@ public:
 private:
     /*! \internal Use by Value to create an iterator.
      */
-    explicit ValueConstIterator(const Value::ObjectValues::iterator& current);
+    explicit ValueConstIterator(Value::ObjectValues::iterator const& current);
 
 public:
     SelfType&
-    operator=(const ValueIteratorBase& other);
+    operator=(ValueIteratorBase const& other);
 
     SelfType
     operator++(int)
@@ -632,17 +642,17 @@ public:
     using SelfType = ValueIterator;
 
     ValueIterator() = default;
-    ValueIterator(const ValueConstIterator& other);
+    ValueIterator(ValueConstIterator const& other);
-    ValueIterator(const ValueIterator& other);
+    ValueIterator(ValueIterator const& other);
 
 private:
     /*! \internal Use by Value to create an iterator.
      */
-    explicit ValueIterator(const Value::ObjectValues::iterator& current);
+    explicit ValueIterator(Value::ObjectValues::iterator const& current);
 
 public:
     SelfType&
-    operator=(const SelfType& other);
+    operator=(SelfType const& other);
 
     SelfType
     operator++(int)

include/xrpl/json/json_writer.h

@@ -39,7 +39,7 @@ public:
     {
     }
     virtual std::string
-    write(const Value& root) = 0;
+    write(Value const& root) = 0;
 };
 
 /** \brief Outputs a Value in <a HREF="http://www.json.org">JSON</a> format
@@ -60,11 +60,11 @@ public:
 
 public:  // overridden from Writer
     std::string
-    write(const Value& root) override;
+    write(Value const& root) override;
 
 private:
     void
-    writeValue(const Value& value);
+    writeValue(Value const& value);
 
     std::string document_;
 };
@@ -101,15 +101,15 @@ public:  // overridden from Writer
      * JSON document that represents the root value.
      */
     std::string
-    write(const Value& root) override;
+    write(Value const& root) override;
 
 private:
     void
-    writeValue(const Value& value);
+    writeValue(Value const& value);
     void
-    writeArrayValue(const Value& value);
+    writeArrayValue(Value const& value);
     bool
-    isMultineArray(const Value& value);
+    isMultineArray(Value const& value);
     void
     pushValue(std::string const& value);
     void
@@ -168,15 +168,15 @@ public:
      * return a value.
      */
     void
-    write(std::ostream& out, const Value& root);
+    write(std::ostream& out, Value const& root);
 
 private:
     void
-    writeValue(const Value& value);
+    writeValue(Value const& value);
     void
-    writeArrayValue(const Value& value);
+    writeArrayValue(Value const& value);
     bool
-    isMultineArray(const Value& value);
+    isMultineArray(Value const& value);
     void
     pushValue(std::string const& value);
     void
@@ -207,12 +207,12 @@ valueToString(double value);
 std::string
 valueToString(bool value);
 std::string
-valueToQuotedString(const char* value);
+valueToQuotedString(char const* value);
 
 /// \brief Output using the StyledStreamWriter.
 /// \see Json::operator>>()
 std::ostream&
-operator<<(std::ostream&, const Value& root);
+operator<<(std::ostream&, Value const& root);
 
 //------------------------------------------------------------------------------
 

include/xrpl/json/to_string.h

@@ -37,7 +37,7 @@ pretty(Value const&);
 
 /** Output using the StyledStreamWriter. @see Json::operator>>(). */
 std::ostream&
-operator<<(std::ostream&, const Value& root);
+operator<<(std::ostream&, Value const& root);
 
 }  // namespace Json
 

include/xrpl/protocol/AMMCore.h

@@ -48,14 +48,6 @@ class STObject;
 class STAmount;
 class Rules;
 
-/** Calculate AMM account ID.
- */
-AccountID
-ammAccountID(
-    std::uint16_t prefix,
-    uint256 const& parentHash,
-    uint256 const& ammID);
-
 /** Calculate Liquidity Provider Token (LPT) Currency.
  */
 Currency

include/xrpl/protocol/AccountID.h

@@ -29,7 +29,6 @@
 #include <xrpl/protocol/json_get_or_throw.h>
 
 #include <cstddef>
-#include <mutex>
 #include <optional>
 #include <string>
 
@@ -149,7 +148,7 @@ namespace std {
 template <>
 struct hash<ripple::AccountID> : ripple::AccountID::hasher
 {
-    explicit hash() = default;
+    hash() = default;
 };
 
 }  // namespace std

include/xrpl/protocol/ApiVersion.h

@@ -20,7 +20,6 @@
 #ifndef RIPPLE_PROTOCOL_APIVERSION_H_INCLUDED
 #define RIPPLE_PROTOCOL_APIVERSION_H_INCLUDED
 
-#include <functional>
 #include <type_traits>
 #include <utility>
 

include/xrpl/protocol/Asset.h

@@ -20,6 +20,7 @@
 #ifndef RIPPLE_PROTOCOL_ASSET_H_INCLUDED
 #define RIPPLE_PROTOCOL_ASSET_H_INCLUDED
 
+#include <xrpl/basics/Number.h>
 #include <xrpl/basics/base_uint.h>
 #include <xrpl/protocol/Issue.h>
 #include <xrpl/protocol/MPTIssue.h>
@@ -27,6 +28,7 @@
 namespace ripple {
 
 class Asset;
+class STAmount;
 
 template <typename TIss>
 concept ValidIssueType =
@@ -92,6 +94,9 @@ public:
     void
     setJson(Json::Value& jv) const;
 
+    STAmount
+    operator()(Number const&) const;
+
     bool
     native() const
     {
@@ -114,6 +119,14 @@ public:
     equalTokens(Asset const& lhs, Asset const& rhs);
 };
 
+inline Json::Value
+to_json(Asset const& asset)
+{
+    Json::Value jv;
+    asset.setJson(jv);
+    return jv;
+}
+
 template <ValidIssueType TIss>
 constexpr bool
 Asset::holds() const
@@ -219,9 +232,6 @@ validJSONAsset(Json::Value const& jv);
 Asset
 assetFromJson(Json::Value const& jv);
 
-Json::Value
-to_json(Asset const& asset);
-
 }  // namespace ripple
 
 #endif  // RIPPLE_PROTOCOL_ASSET_H_INCLUDED

include/xrpl/protocol/Batch.h

@@ -0,0 +1,37 @@
+//------------------------------------------------------------------------------
+/*
+    This file is part of rippled: https://github.com/ripple/rippled
+    Copyright (c) 2024 Ripple Labs Inc.
+    Permission to use, copy, modify, and/or distribute this software for any
+    purpose  with  or without fee is hereby granted, provided that the above
+    copyright notice and this permission notice appear in all copies.
+    THE  SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+    WITH  REGARD  TO  THIS  SOFTWARE  INCLUDING  ALL  IMPLIED  WARRANTIES  OF
+    MERCHANTABILITY  AND  FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+    ANY  SPECIAL ,  DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+    WHATSOEVER  RESULTING  FROM  LOSS  OF USE, DATA OR PROFITS, WHETHER IN AN
+    ACTION  OF  CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+//==============================================================================
+
+#include <xrpl/protocol/HashPrefix.h>
+#include <xrpl/protocol/STVector256.h>
+#include <xrpl/protocol/Serializer.h>
+
+namespace ripple {
+
+inline void
+serializeBatch(
+    Serializer& msg,
+    std::uint32_t const& flags,
+    std::vector<uint256> const& txids)
+{
+    msg.add32(HashPrefix::batch);
+    msg.add32(flags);
+    msg.add32(std::uint32_t(txids.size()));
+    for (auto const& txid : txids)
+        msg.addBitString(txid);
+}
+
+}  // namespace ripple

include/xrpl/protocol/Book.h

@@ -21,6 +21,7 @@
 #define RIPPLE_PROTOCOL_BOOK_H_INCLUDED
 
 #include <xrpl/basics/CountedObject.h>
+#include <xrpl/basics/base_uint.h>
 #include <xrpl/protocol/Issue.h>
 
 #include <boost/utility/base_from_member.hpp>
@@ -36,12 +37,17 @@ class Book final : public CountedObject<Book>
 public:
     Issue in;
     Issue out;
+    std::optional<uint256> domain;
 
     Book()
     {
     }
 
-    Book(Issue const& in_, Issue const& out_) : in(in_), out(out_)
+    Book(
+        Issue const& in_,
+        Issue const& out_,
+        std::optional<uint256> const& domain_)
+        : in(in_), out(out_), domain(domain_)
     {
     }
 };
@@ -61,6 +67,8 @@ hash_append(Hasher& h, Book const& b)
 {
     using beast::hash_append;
     hash_append(h, b.in, b.out);
+    if (b.domain)
+        hash_append(h, *(b.domain));
 }
 
 Book
@@ -71,7 +79,8 @@ reversed(Book const& book);
 [[nodiscard]] inline constexpr bool
 operator==(Book const& lhs, Book const& rhs)
 {
-    return (lhs.in == rhs.in) && (lhs.out == rhs.out);
+    return (lhs.in == rhs.in) && (lhs.out == rhs.out) &&
+        (lhs.domain == rhs.domain);
 }
 /** @} */
 
@@ -82,7 +91,18 @@ operator<=>(Book const& lhs, Book const& rhs)
 {
     if (auto const c{lhs.in <=> rhs.in}; c != 0)
         return c;
-    return lhs.out <=> rhs.out;
+    if (auto const c{lhs.out <=> rhs.out}; c != 0)
+        return c;
+
+    // Manually compare optionals
+    if (lhs.domain && rhs.domain)
+        return *lhs.domain <=> *rhs.domain;  // Compare values if both exist
+    if (!lhs.domain && rhs.domain)
+        return std::weak_ordering::less;  // Empty is considered less
+    if (lhs.domain && !rhs.domain)
+        return std::weak_ordering::greater;  // Non-empty is greater
+
+    return std::weak_ordering::equivalent;  // Both are empty
 }
 /** @} */
 
@@ -104,7 +124,7 @@ private:
         boost::base_from_member<std::hash<ripple::AccountID>, 1>;
 
 public:
-    explicit hash() = default;
+    hash() = default;
 
     using value_type = std::size_t;
     using argument_type = ripple::Issue;
@@ -126,12 +146,14 @@ template <>
 struct hash<ripple::Book>
 {
 private:
-    using hasher = std::hash<ripple::Issue>;
+    using issue_hasher = std::hash<ripple::Issue>;
+    using uint256_hasher = ripple::uint256::hasher;
 
-    hasher m_hasher;
+    issue_hasher m_issue_hasher;
+    uint256_hasher m_uint256_hasher;
 
 public:
-    explicit hash() = default;
+    hash() = default;
 
     using value_type = std::size_t;
     using argument_type = ripple::Book;
@@ -139,8 +161,12 @@ public:
     value_type
     operator()(argument_type const& value) const
     {
-        value_type result(m_hasher(value.in));
+        value_type result(m_issue_hasher(value.in));
-        boost::hash_combine(result, m_hasher(value.out));
+        boost::hash_combine(result, m_issue_hasher(value.out));
+
+        if (value.domain)
+            boost::hash_combine(result, m_uint256_hasher(*value.domain));
+
         return result;
     }
 };
@@ -154,7 +180,7 @@ namespace boost {
 template <>
 struct hash<ripple::Issue> : std::hash<ripple::Issue>
 {
-    explicit hash() = default;
+    hash() = default;
 
     using Base = std::hash<ripple::Issue>;
     // VFALCO NOTE broken in vs2012
@@ -164,7 +190,7 @@ struct hash<ripple::Issue> : std::hash<ripple::Issue>
 template <>
 struct hash<ripple::Book> : std::hash<ripple::Book>
 {
-    explicit hash() = default;
+    hash() = default;
 
     using Base = std::hash<ripple::Book>;
     // VFALCO NOTE broken in vs2012

include/xrpl/protocol/ErrorCodes.h

@@ -120,7 +120,7 @@ enum error_code_i {
     rpcSRC_ACT_MALFORMED = 65,
     rpcSRC_ACT_MISSING = 66,
     rpcSRC_ACT_NOT_FOUND = 67,
-    // unused                  68,
+    rpcDELEGATE_ACT_NOT_FOUND = 68,
     rpcSRC_CUR_MALFORMED = 69,
     rpcSRC_ISR_MALFORMED = 70,
     rpcSTREAM_MALFORMED = 71,
@@ -154,7 +154,10 @@ enum error_code_i {
     // Simulate
     rpcTX_SIGNED = 96,
 
-    rpcLAST = rpcTX_SIGNED  // rpcLAST should always equal the last code.
+    // Pathfinding
+    rpcDOMAIN_MALFORMED = 97,
+
+    rpcLAST = rpcDOMAIN_MALFORMED  // rpcLAST should always equal the last code.
 };
 
 /** Codes returned in the `warnings` array of certain RPC commands.

include/xrpl/protocol/Feature.h

@@ -24,7 +24,6 @@
 
 #include <boost/container/flat_map.hpp>
 
-#include <array>
 #include <bitset>
 #include <map>
 #include <optional>
@@ -55,6 +54,18 @@
  *    `VoteBehavior::DefaultYes`. The communication process is beyond
  *    the scope of these instructions.
  *
+ * 5) A feature marked as Obsolete can mean either:
+ *    1) It is in the ledger (marked as Supported::yes) and it is on its way to
+ *      become Retired
+ *    2) The feature is not in the ledger (has always been marked as
+ *      Supported::no) and the code to support it has been removed
+ *
+ * If we want to discontinue a feature that we've never fully supported and
+ * the feature has never been enabled, we should remove all the related
+ * code, and mark the feature as "abandoned". To do this:
+ *
+ * 1) Open features.macro, move the feature to the abandoned section and
+ *    change the macro to XRPL_ABANDON
  *
  * When a feature has been enabled for several years, the conditional code
  * may be removed, and the feature "retired". To retire a feature:
@@ -88,10 +99,13 @@ namespace detail {
 #undef XRPL_FIX
 #pragma push_macro("XRPL_RETIRE")
 #undef XRPL_RETIRE
+#pragma push_macro("XRPL_ABANDON")
+#undef XRPL_ABANDON
 
 #define XRPL_FEATURE(name, supported, vote) +1
 #define XRPL_FIX(name, supported, vote) +1
 #define XRPL_RETIRE(name) +1
+#define XRPL_ABANDON(name) +1
 
 // This value SHOULD be equal to the number of amendments registered in
 // Feature.cpp. Because it's only used to reserve storage, and determine how
@@ -108,6 +122,8 @@ static constexpr std::size_t numFeatures =
 #pragma pop_macro("XRPL_FIX")
 #undef XRPL_FEATURE
 #pragma pop_macro("XRPL_FEATURE")
+#undef XRPL_ABANDON
+#pragma pop_macro("XRPL_ABANDON")
 
 /** Amendments that this server supports and the default voting behavior.
    Whether they are enabled depends on the Rules defined in the validated
@@ -349,10 +365,13 @@ foreachFeature(FeatureBitset bs, F&& f)
 #undef XRPL_FIX
 #pragma push_macro("XRPL_RETIRE")
 #undef XRPL_RETIRE
+#pragma push_macro("XRPL_ABANDON")
+#undef XRPL_ABANDON
 
 #define XRPL_FEATURE(name, supported, vote) extern uint256 const feature##name;
 #define XRPL_FIX(name, supported, vote) extern uint256 const fix##name;
 #define XRPL_RETIRE(name)
+#define XRPL_ABANDON(name)
 
 #include <xrpl/protocol/detail/features.macro>
 
@@ -362,6 +381,8 @@ foreachFeature(FeatureBitset bs, F&& f)
 #pragma pop_macro("XRPL_FIX")
 #undef XRPL_FEATURE
 #pragma pop_macro("XRPL_FEATURE")
+#undef XRPL_ABANDON
+#pragma pop_macro("XRPL_ABANDON")
 
 }  // namespace ripple
 

include/xrpl/protocol/FeeUnits.h

@@ -27,14 +27,9 @@
 #include <boost/multiprecision/cpp_int.hpp>
 #include <boost/operators.hpp>
 
-#include <cmath>
-#include <ios>
 #include <iosfwd>
 #include <limits>
 #include <optional>
-#include <sstream>
-#include <string>
-#include <utility>
 
 namespace ripple {
 
@@ -336,7 +331,7 @@ public:
 // Output Fees as just their numeric value.
 template <class Char, class Traits, class UnitTag, class T>
 std::basic_ostream<Char, Traits>&
-operator<<(std::basic_ostream<Char, Traits>& os, const TaggedFee<UnitTag, T>& q)
+operator<<(std::basic_ostream<Char, Traits>& os, TaggedFee<UnitTag, T> const& q)
 {
     return os << q.value();
 }

include/xrpl/protocol/HashPrefix.h

@@ -88,6 +88,9 @@ enum class HashPrefix : std::uint32_t {
 
     /** Credentials signature */
     credential = detail::make_hash_prefix('C', 'R', 'D'),
+
+    /** Batch */
+    batch = detail::make_hash_prefix('B', 'C', 'H'),
 };
 
 template <class Hasher>

include/xrpl/protocol/IOUAmount.h

@@ -28,7 +28,6 @@
 
 #include <cstdint>
 #include <string>
-#include <utility>
 
 namespace ripple {
 
@@ -99,6 +98,12 @@ public:
 
     static IOUAmount
     minPositiveAmount();
+
+    friend std::ostream&
+    operator<<(std::ostream& os, IOUAmount const& x)
+    {
+        return os << to_string(x);
+    }
 };
 
 inline IOUAmount::IOUAmount(beast::Zero)

include/xrpl/protocol/Indexes.h

@@ -32,6 +32,7 @@
 #include <xrpl/protocol/jss.h>
 
 #include <cstdint>
+#include <set>
 
 namespace ripple {
 
@@ -279,6 +280,10 @@ amm(Asset const& issue1, Asset const& issue2) noexcept;
 Keylet
 amm(uint256 const& amm) noexcept;
 
+/** A keylet for Delegate object */
+Keylet
+delegate(AccountID const& account, AccountID const& authorizedAccount) noexcept;
+
 Keylet
 bridge(STXChainBridge const& bridge, STXChainBridge::ChainType chainType);
 
@@ -330,6 +335,15 @@ mptoken(uint256 const& mptokenKey)
 Keylet
 mptoken(uint256 const& issuanceKey, AccountID const& holder) noexcept;
 
+Keylet
+vault(AccountID const& owner, std::uint32_t seq) noexcept;
+
+inline Keylet
+vault(uint256 const& vaultKey)
+{
+    return {ltVAULT, vaultKey};
+}
+
 Keylet
 permissionedDomain(AccountID const& account, std::uint32_t seq) noexcept;
 

include/xrpl/protocol/Issue.h

@@ -24,9 +24,6 @@
 #include <xrpl/json/json_value.h>
 #include <xrpl/protocol/UintTypes.h>
 
-#include <functional>
-#include <type_traits>
-
 namespace ripple {
 
 /** A currency issued by an account.

include/xrpl/protocol/LedgerFormats.h

@@ -145,13 +145,15 @@ enum LedgerSpecificFlags {
         0x10000000,               // True, reject new paychans
     lsfDisallowIncomingTrustline =
         0x20000000,               // True, reject new trustlines (only if no issued assets)
-    // 0x40000000 is available
+    lsfAllowTrustLineLocking =
+        0x40000000,               // True, enable trustline locking
     lsfAllowTrustLineClawback =
         0x80000000,               // True, enable clawback
 
     // ltOFFER
     lsfPassive = 0x00010000,
     lsfSell = 0x00020000,  // True, offer was placed as a sell.
+    lsfHybrid = 0x00040000,  // True, offer is hybrid.
 
     // ltRIPPLE_STATE
     lsfLowReserve = 0x00010000,  // True, if entry counts toward reserve.
@@ -185,12 +187,16 @@ enum LedgerSpecificFlags {
     lsfMPTCanTrade = 0x00000010,
     lsfMPTCanTransfer = 0x00000020,
     lsfMPTCanClawback = 0x00000040,
+    lsfMPTMutableMeta = 0x00000080,
 
     // ltMPTOKEN
     lsfMPTAuthorized = 0x00000002,
 
     // ltCREDENTIAL
     lsfAccepted = 0x00010000,
+
+    // ltVAULT
+    lsfVaultPrivate = 0x00010000,
 };
 
 //------------------------------------------------------------------------------

include/xrpl/protocol/MPTAmount.h

@@ -24,15 +24,12 @@
 #include <xrpl/basics/contract.h>
 #include <xrpl/basics/safe_cast.h>
 #include <xrpl/beast/utility/Zero.h>
-#include <xrpl/json/json_value.h>
 
 #include <boost/multiprecision/cpp_int.hpp>
 #include <boost/operators.hpp>
 
 #include <cstdint>
-#include <optional>
 #include <string>
-#include <type_traits>
 
 namespace ripple {
 

include/xrpl/protocol/MPTIssue.h

@@ -42,8 +42,11 @@ public:
     AccountID const&
     getIssuer() const;
 
-    MPTID const&
+    constexpr MPTID const&
-    getMptID() const;
+    getMptID() const
+    {
+        return mptID_;
+    }
 
     std::string
     getText() const;

include/xrpl/protocol/MultiApiJson.h

@@ -28,7 +28,6 @@
 #include <concepts>
 #include <cstdlib>
 #include <functional>
-#include <limits>
 #include <type_traits>
 #include <utility>
 
@@ -80,7 +79,7 @@ struct MultiApiJson
     }
 
     void
-    set(const char* key, auto const& v)
+    set(char const* key, auto const& v)
         requires std::constructible_from<Json::Value, decltype(v)>
     {
         for (auto& a : this->val)
@@ -91,7 +90,7 @@ struct MultiApiJson
     enum IsMemberResult : int { none = 0, some, all };
 
     [[nodiscard]] IsMemberResult
-    isMember(const char* key) const
+    isMember(char const* key) const
     {
         int count = 0;
         for (auto& a : this->val)

include/xrpl/protocol/NFTSyntheticSerializer.h

@@ -28,6 +28,8 @@
 
 namespace ripple {
 
+namespace RPC {
+
 /**
    Adds common synthetic fields to transaction-related JSON responses
 
@@ -40,6 +42,7 @@ insertNFTSyntheticInJson(
     TxMeta const&);
 /** @} */
 
+}  // namespace RPC
 }  // namespace ripple
 
 #endif

include/xrpl/protocol/Permissions.h

@@ -0,0 +1,96 @@
+//------------------------------------------------------------------------------
+/*
+    This file is part of rippled: https://github.com/ripple/rippled
+    Copyright (c) 2025 Ripple Labs Inc.
+
+    Permission to use, copy, modify, and/or distribute this software for any
+    purpose  with  or without fee is hereby granted, provided that the above
+    copyright notice and this permission notice appear in all copies.
+
+    THE  SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+    WITH  REGARD  TO  THIS  SOFTWARE  INCLUDING  ALL  IMPLIED  WARRANTIES  OF
+    MERCHANTABILITY  AND  FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+    ANY  SPECIAL ,  DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+    WHATSOEVER  RESULTING  FROM  LOSS  OF USE, DATA OR PROFITS, WHETHER IN AN
+    ACTION  OF  CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+//==============================================================================
+
+#ifndef RIPPLE_PROTOCOL_PERMISSION_H_INCLUDED
+#define RIPPLE_PROTOCOL_PERMISSION_H_INCLUDED
+
+#include <xrpl/protocol/TxFormats.h>
+
+#include <optional>
+#include <string>
+#include <unordered_map>
+
+namespace ripple {
+/**
+ * We have both transaction type permissions and granular type permissions.
+ * Since we will reuse the TransactionFormats to parse the Transaction
+ * Permissions, only the GranularPermissionType is defined here. To prevent
+ * conflicts with TxType, the GranularPermissionType is always set to a value
+ * greater than the maximum value of uint16.
+ */
+enum GranularPermissionType : std::uint32_t {
+#pragma push_macro("PERMISSION")
+#undef PERMISSION
+
+#define PERMISSION(type, txType, value) type = value,
+
+#include <xrpl/protocol/detail/permissions.macro>
+
+#undef PERMISSION
+#pragma pop_macro("PERMISSION")
+};
+
+enum Delegation { delegatable, notDelegatable };
+
+class Permission
+{
+private:
+    Permission();
+
+    std::unordered_map<std::uint16_t, Delegation> delegatableTx_;
+
+    std::unordered_map<std::string, GranularPermissionType>
+        granularPermissionMap_;
+
+    std::unordered_map<GranularPermissionType, std::string> granularNameMap_;
+
+    std::unordered_map<GranularPermissionType, TxType> granularTxTypeMap_;
+
+public:
+    static Permission const&
+    getInstance();
+
+    Permission(Permission const&) = delete;
+    Permission&
+    operator=(Permission const&) = delete;
+
+    std::optional<std::uint32_t>
+    getGranularValue(std::string const& name) const;
+
+    std::optional<std::string>
+    getGranularName(GranularPermissionType const& value) const;
+
+    std::optional<TxType>
+    getGranularTxType(GranularPermissionType const& gpType) const;
+
+    bool
+    isDelegatable(std::uint32_t const& permissionValue) const;
+
+    // for tx level permission, permission value is equal to tx type plus one
+    uint32_t
+    txToPermissionType(TxType const& type) const;
+
+    // tx type value is permission value minus one
+    TxType
+    permissionToTxType(uint32_t const& value) const;
+};
+
+}  // namespace ripple
+
+#endif

include/xrpl/protocol/Protocol.h

@@ -116,6 +116,16 @@ std::size_t constexpr maxMPTokenMetadataLength = 1024;
 /** The maximum amount of MPTokenIssuance */
 std::uint64_t constexpr maxMPTokenAmount = 0x7FFF'FFFF'FFFF'FFFFull;
 
+/** The maximum length of Data payload */
+std::size_t constexpr maxDataPayloadLength = 256;
+
+/** Vault withdrawal policies */
+std::uint8_t constexpr vaultStrategyFirstComeFirstServe = 1;
+
+/** Maximum recursion depth for vault shares being put as an asset inside
+ * another vault; counted from 0 */
+std::uint8_t constexpr maxAssetCheckDepth = 5;
+
 /** A ledger index. */
 using LedgerIndex = std::uint32_t;
 
@@ -155,6 +165,13 @@ std::size_t constexpr maxPriceScale = 20;
  */
 std::size_t constexpr maxTrim = 25;
 
+/** The maximum number of delegate permissions an account can grant
+ */
+std::size_t constexpr permissionMaxSize = 10;
+
+/** The maximum number of transactions that can be in a batch. */
+std::size_t constexpr maxBatchTxCount = 8;
+
 }  // namespace ripple
 
 #endif

include/xrpl/protocol/PublicKey.h

@@ -32,7 +32,6 @@
 #include <cstring>
 #include <optional>
 #include <ostream>
-#include <utility>
 
 namespace ripple {
 

include/xrpl/protocol/Quality.h

@@ -113,8 +113,8 @@ public:
     // have lower unsigned integer representations.
     using value_type = std::uint64_t;
 
-    static const int minTickSize = 3;
+    static int const minTickSize = 3;
-    static const int maxTickSize = 16;
+    static int const maxTickSize = 16;
 
 private:
     // This has the same representation as STAmount, see the comment on the

include/xrpl/protocol/Rules.h

@@ -28,6 +28,9 @@
 
 namespace ripple {
 
+bool
+isFeatureEnabled(uint256 const& feature);
+
 class DigestAwareReadView;
 
 /** Rules controlling protocol behavior. */

include/xrpl/protocol/SField.h

@@ -25,7 +25,6 @@
 
 #include <cstdint>
 #include <map>
-#include <utility>
 
 namespace ripple {
 
@@ -182,22 +181,22 @@ public:
         private_access_tag_t,
         SerializedTypeID tid,
         int fv,
-        const char* fn,
+        char const* fn,
         int meta = sMD_Default,
         IsSigning signing = IsSigning::yes);
     explicit SField(private_access_tag_t, int fc);
 
-    static const SField&
+    static SField const&
     getField(int fieldCode);
-    static const SField&
+    static SField const&
     getField(std::string const& fieldName);
-    static const SField&
+    static SField const&
     getField(int type, int value)
     {
         return getField(field_code(type, value));
     }
 
-    static const SField&
+    static SField const&
     getField(SerializedTypeID type, int value)
     {
         return getField(field_code(type, value));
@@ -284,19 +283,19 @@ public:
     }
 
     bool
-    operator==(const SField& f) const
+    operator==(SField const& f) const
     {
         return fieldCode == f.fieldCode;
     }
 
     bool
-    operator!=(const SField& f) const
+    operator!=(SField const& f) const
     {
         return fieldCode != f.fieldCode;
     }
 
     static int
-    compare(const SField& f1, const SField& f2);
+    compare(SField const& f1, SField const& f2);
 
     static std::map<int, SField const*> const&
     getKnownCodeToField()

include/xrpl/protocol/SOTemplate.h

@@ -25,7 +25,6 @@
 
 #include <functional>
 #include <initializer_list>
-#include <memory>
 #include <stdexcept>
 
 namespace ripple {

include/xrpl/protocol/STAccount.h

@@ -58,7 +58,7 @@ public:
     add(Serializer& s) const override;
 
     bool
-    isEquivalent(const STBase& t) const override;
+    isEquivalent(STBase const& t) const override;
 
     bool
     isDefault() const override;

include/xrpl/protocol/STAmount.h

@@ -62,20 +62,20 @@ private:
 public:
     using value_type = STAmount;
 
-    static const int cMinOffset = -96;
+    static int const cMinOffset = -96;
-    static const int cMaxOffset = 80;
+    static int const cMaxOffset = 80;
 
     // Maximum native value supported by the code
-    static const std::uint64_t cMinValue = 1000000000000000ull;
+    static std::uint64_t const cMinValue = 1000000000000000ull;
-    static const std::uint64_t cMaxValue = 9999999999999999ull;
+    static std::uint64_t const cMaxValue = 9999999999999999ull;
-    static const std::uint64_t cMaxNative = 9000000000000000000ull;
+    static std::uint64_t const cMaxNative = 9000000000000000000ull;
 
     // Max native value on network.
-    static const std::uint64_t cMaxNativeN = 100000000000000000ull;
+    static std::uint64_t const cMaxNativeN = 100000000000000000ull;
-    static const std::uint64_t cIssuedCurrency = 0x8000000000000000ull;
+    static std::uint64_t const cIssuedCurrency = 0x8000000000000000ull;
-    static const std::uint64_t cPositive = 0x4000000000000000ull;
+    static std::uint64_t const cPositive = 0x4000000000000000ull;
-    static const std::uint64_t cMPToken = 0x2000000000000000ull;
+    static std::uint64_t const cMPToken = 0x2000000000000000ull;
-    static const std::uint64_t cValueMask = ~(cPositive | cMPToken);
+    static std::uint64_t const cValueMask = ~(cPositive | cMPToken);
 
     static std::uint64_t const uRateOne;
 
@@ -153,6 +153,12 @@ public:
     template <AssetType A>
     STAmount(A const& asset, int mantissa, int exponent = 0);
 
+    template <AssetType A>
+    STAmount(A const& asset, Number const& number)
+        : STAmount(asset, number.mantissa(), number.exponent())
+    {
+    }
+
     // Legacy support for new-style amounts
     STAmount(IOUAmount const& amount, Issue const& issue);
     STAmount(XRPAmount const& amount);
@@ -230,6 +236,9 @@ public:
     STAmount&
     operator=(XRPAmount const& amount);
 
+    STAmount&
+    operator=(Number const&);
+
     //--------------------------------------------------------------------------
     //
     // Modification
@@ -268,13 +277,13 @@ public:
     std::string
     getText() const override;
 
-    Json::Value getJson(JsonOptions) const override;
+    Json::Value getJson(JsonOptions = JsonOptions::none) const override;
 
     void
     add(Serializer& s) const override;
 
     bool
-    isEquivalent(const STBase& t) const override;
+    isEquivalent(STBase const& t) const override;
 
     bool
     isDefault() const override;
@@ -417,7 +426,7 @@ STAmount
 amountFromQuality(std::uint64_t rate);
 
 STAmount
-amountFromString(Asset const& issue, std::string const& amount);
+amountFromString(Asset const& asset, std::string const& amount);
 
 STAmount
 amountFromJson(SField const& name, Json::Value const& v);
@@ -541,6 +550,16 @@ STAmount::operator=(XRPAmount const& amount)
     return *this;
 }
 
+inline STAmount&
+STAmount::operator=(Number const& number)
+{
+    mIsNegative = number.mantissa() < 0;
+    mValue = mIsNegative ? -number.mantissa() : number.mantissa();
+    mOffset = number.exponent();
+    canonicalize();
+    return *this;
+}
+
 inline void
 STAmount::negate()
 {
@@ -684,6 +703,12 @@ isXRP(STAmount const& amount)
     return amount.native();
 }
 
+bool
+canAdd(STAmount const& amt1, STAmount const& amt2);
+
+bool
+canSubtract(STAmount const& amt1, STAmount const& amt2);
+
 // Since `canonicalize` does not have access to a ledger, this is needed to put
 // the low-level routine stAmountCanonicalize on an amendment switch. Only
 // transactions need to use this switchover. Outside of a transaction it's safe

include/xrpl/protocol/STArray.h

@@ -128,13 +128,13 @@ public:
     add(Serializer& s) const override;
 
     void
-    sort(bool (*compare)(const STObject& o1, const STObject& o2));
+    sort(bool (*compare)(STObject const& o1, STObject const& o2));
 
     bool
-    operator==(const STArray& s) const;
+    operator==(STArray const& s) const;
 
     bool
-    operator!=(const STArray& s) const;
+    operator!=(STArray const& s) const;
 
     iterator
     erase(iterator pos);
@@ -152,7 +152,7 @@ public:
     getSType() const override;
 
     bool
-    isEquivalent(const STBase& t) const override;
+    isEquivalent(STBase const& t) const override;
 
     bool
     isDefault() const override;
@@ -275,13 +275,13 @@ STArray::swap(STArray& a) noexcept
 }
 
 inline bool
-STArray::operator==(const STArray& s) const
+STArray::operator==(STArray const& s) const
 {
     return v_ == s.v_;
 }
 
 inline bool
-STArray::operator!=(const STArray& s) const
+STArray::operator!=(STArray const& s) const
 {
     return v_ != s.v_;
 }

include/xrpl/protocol/STBase.h

@@ -24,7 +24,6 @@
 #include <xrpl/protocol/SField.h>
 #include <xrpl/protocol/Serializer.h>
 
-#include <memory>
 #include <ostream>
 #include <string>
 #include <type_traits>
@@ -92,6 +91,16 @@ struct JsonOptions
     }
 };
 
+template <typename T>
+    requires requires(T const& t) {
+        { t.getJson(JsonOptions::none) } -> std::convertible_to<Json::Value>;
+    }
+Json::Value
+to_json(T const& t)
+{
+    return t.getJson(JsonOptions::none);
+}
+
 namespace detail {
 class STVar;
 }
@@ -129,16 +138,16 @@ class STBase
 public:
     virtual ~STBase() = default;
     STBase();
-    STBase(const STBase&) = default;
+    STBase(STBase const&) = default;
     STBase&
-    operator=(const STBase& t);
+    operator=(STBase const& t);
 
     explicit STBase(SField const& n);
 
     bool
-    operator==(const STBase& t) const;
+    operator==(STBase const& t) const;
     bool
-    operator!=(const STBase& t) const;
+    operator!=(STBase const& t) const;
 
     template <class D>
     D&
@@ -157,7 +166,7 @@ public:
     virtual std::string
     getText() const;
 
-    virtual Json::Value getJson(JsonOptions /*options*/) const;
+    virtual Json::Value getJson(JsonOptions = JsonOptions::none) const;
 
     virtual void
     add(Serializer& s) const;
@@ -197,7 +206,7 @@ private:
 //------------------------------------------------------------------------------
 
 std::ostream&
-operator<<(std::ostream& out, const STBase& t);
+operator<<(std::ostream& out, STBase const& t);
 
 template <class D>
 D&

include/xrpl/protocol/STBitString.h

@@ -45,8 +45,8 @@ public:
     STBitString() = default;
 
     STBitString(SField const& n);
-    STBitString(const value_type& v);
+    STBitString(value_type const& v);
-    STBitString(SField const& n, const value_type& v);
+    STBitString(SField const& n, value_type const& v);
     STBitString(SerialIter& sit, SField const& name);
 
     SerializedTypeID
@@ -56,7 +56,7 @@ public:
     getText() const override;
 
     bool
-    isEquivalent(const STBase& t) const override;
+    isEquivalent(STBase const& t) const override;
 
     void
     add(Serializer& s) const override;
@@ -93,12 +93,12 @@ inline STBitString<Bits>::STBitString(SField const& n) : STBase(n)
 }
 
 template <int Bits>
-inline STBitString<Bits>::STBitString(const value_type& v) : value_(v)
+inline STBitString<Bits>::STBitString(value_type const& v) : value_(v)
 {
 }
 
 template <int Bits>
-inline STBitString<Bits>::STBitString(SField const& n, const value_type& v)
+inline STBitString<Bits>::STBitString(SField const& n, value_type const& v)
     : STBase(n), value_(v)
 {
 }
@@ -160,9 +160,9 @@ STBitString<Bits>::getText() const
 
 template <int Bits>
 bool
-STBitString<Bits>::isEquivalent(const STBase& t) const
+STBitString<Bits>::isEquivalent(STBase const& t) const
 {
-    const STBitString* v = dynamic_cast<const STBitString*>(&t);
+    STBitString const* v = dynamic_cast<STBitString const*>(&t);
     return v && (value_ == v->value_);
 }
 

include/xrpl/protocol/STBlob.h

@@ -27,7 +27,6 @@
 #include <xrpl/protocol/STBase.h>
 
 #include <cstring>
-#include <memory>
 
 namespace ripple {
 
@@ -63,7 +62,7 @@ public:
     add(Serializer& s) const override;
 
     bool
-    isEquivalent(const STBase& t) const override;
+    isEquivalent(STBase const& t) const override;
 
     bool
     isDefault() const override;

include/xrpl/protocol/STCurrency.h

@@ -65,7 +65,7 @@ public:
     add(Serializer& s) const override;
 
     bool
-    isEquivalent(const STBase& t) const override;
+    isEquivalent(STBase const& t) const override;
 
     bool
     isDefault() const override;

include/xrpl/protocol/STInteger.h

@@ -54,7 +54,7 @@ public:
     isDefault() const override;
 
     bool
-    isEquivalent(const STBase& t) const override;
+    isEquivalent(STBase const& t) const override;
 
     STInteger&
     operator=(value_type const& v);
@@ -127,9 +127,9 @@ STInteger<Integer>::isDefault() const
 
 template <typename Integer>
 inline bool
-STInteger<Integer>::isEquivalent(const STBase& t) const
+STInteger<Integer>::isEquivalent(STBase const& t) const
 {
-    const STInteger* v = dynamic_cast<const STInteger*>(&t);
+    STInteger const* v = dynamic_cast<STInteger const*>(&t);
     return v && (value_ == v->value_);
 }
 

include/xrpl/protocol/STIssue.h

@@ -37,6 +37,7 @@ public:
     using value_type = Asset;
 
     STIssue() = default;
+    STIssue(STIssue const& rhs) = default;
 
     explicit STIssue(SerialIter& sit, SField const& name);
 
@@ -45,6 +46,9 @@ public:
 
     explicit STIssue(SField const& name);
 
+    STIssue&
+    operator=(STIssue const& rhs) = default;
+
     template <ValidIssueType TIss>
     TIss const&
     get() const;
@@ -71,7 +75,7 @@ public:
     add(Serializer& s) const override;
 
     bool
-    isEquivalent(const STBase& t) const override;
+    isEquivalent(STBase const& t) const override;
 
     bool
     isDefault() const override;

include/xrpl/protocol/STLedgerEntry.h

@@ -35,7 +35,7 @@ class STLedgerEntry final : public STObject, public CountedObject<STLedgerEntry>
 
 public:
     using pointer = std::shared_ptr<STLedgerEntry>;
-    using ref = const std::shared_ptr<STLedgerEntry>&;
+    using ref = std::shared_ptr<STLedgerEntry> const&;
 
     /** Create an empty object with the given key and type. */
     explicit STLedgerEntry(Keylet const& k);

include/xrpl/protocol/STNumber.h

@@ -63,6 +63,13 @@ public:
     void
     setValue(Number const& v);
 
+    STNumber&
+    operator=(Number const& rhs)
+    {
+        setValue(rhs);
+        return *this;
+    }
+
     bool
     isEquivalent(STBase const& t) const override;
     bool
@@ -83,6 +90,19 @@ private:
 std::ostream&
 operator<<(std::ostream& out, STNumber const& rhs);
 
+struct NumberParts
+{
+    std::uint64_t mantissa = 0;
+    int exponent = 0;
+    bool negative = false;
+};
+
+NumberParts
+partsFromString(std::string const& number);
+
+STNumber
+numberFromJson(SField const& field, Json::Value const& value);
+
 }  // namespace ripple
 
 #endif