Version 3.0.0-rc2

This change updates the `cleanup-workspace` action to its latest version, which added support for Windows.

.codecov.yml

@@ -33,5 +33,6 @@ slack_app: false
 
 ignore:
   - "src/test/"
+  - "src/tests/"
   - "include/xrpl/beast/test/"
   - "include/xrpl/beast/unit_test/"

.github/actions/build-deps/action.yml

@@ -10,24 +10,40 @@ inputs:
   build_type:
     description: 'The build type to use ("Debug", "Release").'
     required: true
+  build_nproc:
+    description: "The number of processors to use for building."
+    required: true
   force_build:
     description: 'Force building of all dependencies ("true", "false").'
     required: false
     default: "false"
+  log_verbosity:
+    description: "The logging verbosity."
+    required: false
+    default: "verbose"
 
 runs:
   using: composite
   steps:
     - name: Install Conan dependencies
       shell: bash
+      env:
+        BUILD_DIR: ${{ inputs.build_dir }}
+        BUILD_NPROC: ${{ inputs.build_nproc }}
+        BUILD_OPTION: ${{ inputs.force_build == 'true' && '*' || 'missing' }}
+        BUILD_TYPE: ${{ inputs.build_type }}
+        LOG_VERBOSITY: ${{ inputs.log_verbosity }}
       run: |
         echo 'Installing dependencies.'
-        mkdir -p ${{ inputs.build_dir }}
-        cd ${{ inputs.build_dir }}
+        mkdir -p "${BUILD_DIR}"
+        cd "${BUILD_DIR}"
         conan install \
           --output-folder . \
-          --build ${{ inputs.force_build == 'true' && '"*"' || 'missing' }} \
-          --options:host '&:tests=True' \
-          --options:host '&:xrpld=True' \
-          --settings:all build_type=${{ inputs.build_type }} \
+          --build="${BUILD_OPTION}" \
+          --options:host='&:tests=True' \
+          --options:host='&:xrpld=True' \
+          --settings:all build_type="${BUILD_TYPE}" \
+          --conf:all tools.build:jobs=${BUILD_NPROC} \
+          --conf:all tools.build:verbosity="${LOG_VERBOSITY}" \
+          --conf:all tools.compilation:verbosity="${LOG_VERBOSITY}" \
           ..

.github/actions/build-test/action.yml

@@ -1,96 +0,0 @@
-# This action build and tests the binary. The Conan dependencies must have
-# already been installed (see the build-deps action).
-name: Build and Test
-description: "Build and test the binary."
-
-# Note that actions do not support 'type' and all inputs are strings, see
-# https://docs.github.com/en/actions/reference/workflows-and-actions/metadata-syntax#inputs.
-inputs:
-  build_dir:
-    description: "The directory where to build."
-    required: true
-  build_only:
-    description: 'Whether to only build or to build and test the code ("true", "false").'
-    required: false
-    default: "false"
-  build_type:
-    description: 'The build type to use ("Debug", "Release").'
-    required: true
-  cmake_args:
-    description: "Additional arguments to pass to CMake."
-    required: false
-    default: ""
-  cmake_target:
-    description: "The CMake target to build."
-    required: true
-  codecov_token:
-    description: "The Codecov token to use for uploading coverage reports."
-    required: false
-    default: ""
-  os:
-    description: 'The operating system to use for the build ("linux", "macos", "windows").'
-    required: true
-
-runs:
-  using: composite
-  steps:
-    - name: Configure CMake
-      shell: bash
-      working-directory: ${{ inputs.build_dir }}
-      run: |
-        echo 'Configuring CMake.'
-        cmake \
-          -G '${{ inputs.os == 'windows' && 'Visual Studio 17 2022' || 'Ninja' }}' \
-          -DCMAKE_TOOLCHAIN_FILE:FILEPATH=build/generators/conan_toolchain.cmake \
-          -DCMAKE_BUILD_TYPE=${{ inputs.build_type }} \
-          ${{ inputs.cmake_args }} \
-          ..
-    - name: Build the binary
-      shell: bash
-      working-directory: ${{ inputs.build_dir }}
-      run: |
-        echo 'Building binary.'
-        cmake \
-          --build . \
-          --config ${{ inputs.build_type }} \
-          --parallel $(nproc) \
-          --target ${{ inputs.cmake_target }}
-    - name: Check linking
-      if: ${{ inputs.os == 'linux' }}
-      shell: bash
-      working-directory: ${{ inputs.build_dir }}
-      run: |
-        echo 'Checking linking.'
-        ldd ./rippled
-        if [ "$(ldd ./rippled | grep -E '(libstdc\+\+|libgcc)' | wc -l)" -eq 0 ]; then
-          echo 'The binary is statically linked.'
-        else
-          echo 'The binary is dynamically linked.'
-          exit 1
-        fi
-    - name: Verify voidstar
-      if: ${{ contains(inputs.cmake_args, '-Dvoidstar=ON') }}
-      shell: bash
-      working-directory: ${{ inputs.build_dir }}
-      run: |
-        echo 'Verifying presence of instrumentation.'
-        ./rippled --version | grep libvoidstar
-    - name: Test the binary
-      if: ${{ inputs.build_only == 'false' }}
-      shell: bash
-      working-directory: ${{ inputs.build_dir }}/${{ inputs.os == 'windows' && inputs.build_type || '' }}
-      run: |
-        echo 'Testing binary.'
-        ./rippled --unittest --unittest-jobs $(nproc)
-        ctest -j $(nproc) --output-on-failure
-    - name: Upload coverage report
-      if: ${{ inputs.cmake_target == 'coverage' }}
-      uses: codecov/codecov-action@18283e04ce6e62d37312384ff67231eb8fd56d24 # v5.4.3
-      with:
-        disable_search: true
-        disable_telem: true
-        fail_ci_if_error: true
-        files: ${{ inputs.build_dir }}/coverage.xml
-        plugins: noop
-        token: ${{ inputs.codecov_token }}
-        verbose: true

.github/actions/print-env/action.yml

@@ -0,0 +1,43 @@
+name: Print build environment
+description: "Print environment and some tooling versions"
+
+runs:
+  using: composite
+  steps:
+    - name: Check configuration (Windows)
+      if: ${{ runner.os == 'Windows' }}
+      shell: bash
+      run: |
+        echo 'Checking environment variables.'
+        set
+
+        echo 'Checking CMake version.'
+        cmake --version
+
+        echo 'Checking Conan version.'
+        conan --version
+
+    - name: Check configuration (Linux and macOS)
+      if: ${{ runner.os == 'Linux' || runner.os == 'macOS' }}
+      shell: bash
+      run: |
+        echo 'Checking path.'
+        echo ${PATH} | tr ':' '\n'
+
+        echo 'Checking environment variables.'
+        env | sort
+
+        echo 'Checking CMake version.'
+        cmake --version
+
+        echo 'Checking compiler version.'
+        ${{ runner.os == 'Linux' && '${CC}' || 'clang' }} --version
+
+        echo 'Checking Conan version.'
+        conan --version
+
+        echo 'Checking Ninja version.'
+        ninja --version
+
+        echo 'Checking nproc version.'
+        nproc --version

.github/actions/setup-conan/action.yml

@@ -35,9 +35,12 @@ runs:
 
     - name: Set up Conan remote
       shell: bash
+      env:
+        CONAN_REMOTE_NAME: ${{ inputs.conan_remote_name }}
+        CONAN_REMOTE_URL: ${{ inputs.conan_remote_url }}
       run: |
-        echo "Adding Conan remote '${{ inputs.conan_remote_name }}' at ${{ inputs.conan_remote_url }}."
-        conan remote add --index 0 --force ${{ inputs.conan_remote_name }} ${{ inputs.conan_remote_url }}
+        echo "Adding Conan remote '${CONAN_REMOTE_NAME}' at '${CONAN_REMOTE_URL}'."
+        conan remote add --index 0 --force "${CONAN_REMOTE_NAME}" "${CONAN_REMOTE_URL}"
 
         echo 'Listing Conan remotes.'
         conan remote list

.github/scripts/levelization/README.md

@@ -72,15 +72,15 @@ It generates many files of [results](results):
   desired as described above. In a perfect repo, this file will be
   empty.
   This file is committed to the repo, and is used by the [levelization
-  Github workflow](../../workflows/check-levelization.yml) to validate
+  Github workflow](../../workflows/reusable-check-levelization.yml) to validate
   that nothing changed.
 - [`ordering.txt`](results/ordering.txt): A list showing relationships
   between modules where there are no loops as they actually exist, as
   opposed to how they are desired as described above.
   This file is committed to the repo, and is used by the [levelization
-  Github workflow](../../workflows/check-levelization.yml) to validate
+  Github workflow](../../workflows/reusable-check-levelization.yml) to validate
   that nothing changed.
-- [`levelization.yml`](../../workflows/check-levelization.yml)
+- [`levelization.yml`](../../workflows/reusable-check-levelization.yml)
   Github Actions workflow to test that levelization loops haven't
   changed. Unfortunately, if changes are detected, it can't tell if
   they are improvements or not, so if you have resolved any issues or

.github/scripts/levelization/results/loops.txt

@@ -7,9 +7,6 @@ Loop: test.jtx test.unit_test
 Loop: xrpld.app xrpld.core
   xrpld.app > xrpld.core
 
-Loop: xrpld.app xrpld.ledger
-  xrpld.app > xrpld.ledger
-
 Loop: xrpld.app xrpld.overlay
   xrpld.overlay > xrpld.app
 

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

@@ -2,6 +2,10 @@ libxrpl.basics > xrpl.basics
 libxrpl.crypto > xrpl.basics
 libxrpl.json > xrpl.basics
 libxrpl.json > xrpl.json
+libxrpl.ledger > xrpl.basics
+libxrpl.ledger > xrpl.json
+libxrpl.ledger > xrpl.ledger
+libxrpl.ledger > xrpl.protocol
 libxrpl.net > xrpl.basics
 libxrpl.net > xrpl.net
 libxrpl.protocol > xrpl.basics
@@ -21,11 +25,11 @@ test.app > test.unit_test
 test.app > xrpl.basics
 test.app > xrpld.app
 test.app > xrpld.core
-test.app > xrpld.ledger
 test.app > xrpld.nodestore
 test.app > xrpld.overlay
 test.app > xrpld.rpc
 test.app > xrpl.json
+test.app > xrpl.ledger
 test.app > xrpl.protocol
 test.app > xrpl.resource
 test.basics > test.jtx
@@ -44,8 +48,8 @@ test.consensus > test.unit_test
 test.consensus > xrpl.basics
 test.consensus > xrpld.app
 test.consensus > xrpld.consensus
-test.consensus > xrpld.ledger
 test.consensus > xrpl.json
+test.consensus > xrpl.ledger
 test.core > test.jtx
 test.core > test.toplevel
 test.core > test.unit_test
@@ -63,9 +67,9 @@ test.json > xrpl.json
 test.jtx > xrpl.basics
 test.jtx > xrpld.app
 test.jtx > xrpld.core
-test.jtx > xrpld.ledger
 test.jtx > xrpld.rpc
 test.jtx > xrpl.json
+test.jtx > xrpl.ledger
 test.jtx > xrpl.net
 test.jtx > xrpl.protocol
 test.jtx > xrpl.resource
@@ -75,7 +79,7 @@ test.ledger > test.toplevel
 test.ledger > xrpl.basics
 test.ledger > xrpld.app
 test.ledger > xrpld.core
-test.ledger > xrpld.ledger
+test.ledger > xrpl.ledger
 test.ledger > xrpl.protocol
 test.nodestore > test.jtx
 test.nodestore > test.toplevel
@@ -134,7 +138,11 @@ test.toplevel > test.csf
 test.toplevel > xrpl.json
 test.unit_test > xrpl.basics
 tests.libxrpl > xrpl.basics
+tests.libxrpl > xrpl.json
+tests.libxrpl > xrpl.net
 xrpl.json > xrpl.basics
+xrpl.ledger > xrpl.basics
+xrpl.ledger > xrpl.protocol
 xrpl.net > xrpl.basics
 xrpl.protocol > xrpl.basics
 xrpl.protocol > xrpl.json
@@ -151,6 +159,7 @@ xrpld.app > xrpld.consensus
 xrpld.app > xrpld.nodestore
 xrpld.app > xrpld.perflog
 xrpld.app > xrpl.json
+xrpld.app > xrpl.ledger
 xrpld.app > xrpl.net
 xrpld.app > xrpl.protocol
 xrpld.app > xrpl.resource
@@ -163,9 +172,6 @@ xrpld.core > xrpl.basics
 xrpld.core > xrpl.json
 xrpld.core > xrpl.net
 xrpld.core > xrpl.protocol
-xrpld.ledger > xrpl.basics
-xrpld.ledger > xrpl.json
-xrpld.ledger > xrpl.protocol
 xrpld.nodestore > xrpl.basics
 xrpld.nodestore > xrpld.core
 xrpld.nodestore > xrpld.unity
@@ -186,9 +192,9 @@ xrpld.perflog > xrpl.basics
 xrpld.perflog > xrpl.json
 xrpld.rpc > xrpl.basics
 xrpld.rpc > xrpld.core
-xrpld.rpc > xrpld.ledger
 xrpld.rpc > xrpld.nodestore
 xrpld.rpc > xrpl.json
+xrpld.rpc > xrpl.ledger
 xrpld.rpc > xrpl.net
 xrpld.rpc > xrpl.protocol
 xrpld.rpc > xrpl.resource

.github/scripts/strategy-matrix/generate.py

@@ -74,14 +74,14 @@ def generate_strategy_matrix(all: bool, config: Config) -> list:
                     continue
 
             # RHEL:
-            # - 9.4 using GCC 12: Debug and Unity on linux/amd64.
-            # - 9.6 using Clang: Release and no Unity on linux/amd64.
+            # - 9 using GCC 12: Debug and Unity on linux/amd64.
+            # - 10 using Clang: Release and no Unity on linux/amd64.
             if os['distro_name'] == 'rhel':
                 skip = True
-                if os['distro_version'] == '9.4':
+                if os['distro_version'] == '9':
                     if f'{os['compiler_name']}-{os['compiler_version']}' == 'gcc-12' and build_type == 'Debug' and '-Dunity=ON' in cmake_args and architecture['platform'] == 'linux/amd64':
                         skip = False
-                elif os['distro_version'] == '9.6':
+                elif os['distro_version'] == '10':
                     if f'{os['compiler_name']}-{os['compiler_version']}' == 'clang-any' and build_type == 'Release' and '-Dunity=OFF' in cmake_args and architecture['platform'] == 'linux/amd64':
                         skip = False
                 if skip:
@@ -130,16 +130,14 @@ def generate_strategy_matrix(all: bool, config: Config) -> list:
         if os['distro_name'] == 'rhel' and architecture['platform'] == 'linux/arm64':
             continue
 
-        # We skip all clang-20 on arm64 due to boost 1.86 build error
-        if f'{os['compiler_name']}-{os['compiler_version']}' == 'clang-20' and architecture['platform'] == 'linux/arm64':
+        # We skip all clang 20+ on arm64 due to Boost build error.
+        if f'{os['compiler_name']}-{os['compiler_version']}' in ['clang-20', 'clang-21'] and architecture['platform'] == 'linux/arm64':
             continue
 
         # Enable code coverage for Debian Bookworm using GCC 15 in Debug and no
         # Unity on linux/amd64
         if f'{os['compiler_name']}-{os['compiler_version']}' == 'gcc-15' and build_type == 'Debug' and '-Dunity=OFF' in cmake_args and architecture['platform'] == 'linux/amd64':
             cmake_args = f'-Dcoverage=ON -Dcoverage_format=xml -DCODE_COVERAGE_VERBOSE=ON -DCMAKE_C_FLAGS=-O0 -DCMAKE_CXX_FLAGS=-O0 {cmake_args}'
-            cmake_target = 'coverage'
-            build_only = True
 
         # Generate a unique name for the configuration, e.g. macos-arm64-debug
         # or debian-bookworm-gcc-12-amd64-release-unity.
@@ -162,7 +160,7 @@ def generate_strategy_matrix(all: bool, config: Config) -> list:
             'config_name': config_name,
             'cmake_args': cmake_args,
             'cmake_target': cmake_target,
-            'build_only': 'true' if build_only else 'false',
+            'build_only': build_only,
             'build_type': build_type,
             'os': os,
             'architecture': architecture,

.github/scripts/strategy-matrix/linux.json

@@ -14,139 +14,197 @@
       "distro_name": "debian",
       "distro_version": "bookworm",
       "compiler_name": "gcc",
-      "compiler_version": "12"
+      "compiler_version": "12",
+      "image_sha": "0525eae"
     },
     {
       "distro_name": "debian",
       "distro_version": "bookworm",
       "compiler_name": "gcc",
-      "compiler_version": "13"
+      "compiler_version": "13",
+      "image_sha": "0525eae"
     },
     {
       "distro_name": "debian",
       "distro_version": "bookworm",
       "compiler_name": "gcc",
-      "compiler_version": "14"
+      "compiler_version": "14",
+      "image_sha": "0525eae"
     },
     {
       "distro_name": "debian",
       "distro_version": "bookworm",
       "compiler_name": "gcc",
-      "compiler_version": "15"
+      "compiler_version": "15",
+      "image_sha": "0525eae"
     },
     {
       "distro_name": "debian",
       "distro_version": "bookworm",
       "compiler_name": "clang",
-      "compiler_version": "16"
+      "compiler_version": "16",
+      "image_sha": "0525eae"
     },
     {
       "distro_name": "debian",
       "distro_version": "bookworm",
       "compiler_name": "clang",
-      "compiler_version": "17"
+      "compiler_version": "17",
+      "image_sha": "0525eae"
     },
     {
       "distro_name": "debian",
       "distro_version": "bookworm",
       "compiler_name": "clang",
-      "compiler_version": "18"
+      "compiler_version": "18",
+      "image_sha": "0525eae"
     },
     {
       "distro_name": "debian",
       "distro_version": "bookworm",
       "compiler_name": "clang",
-      "compiler_version": "19"
+      "compiler_version": "19",
+      "image_sha": "0525eae"
     },
     {
       "distro_name": "debian",
       "distro_version": "bookworm",
       "compiler_name": "clang",
-      "compiler_version": "20"
+      "compiler_version": "20",
+      "image_sha": "0525eae"
     },
     {
-      "distro_name": "rhel",
-      "distro_version": "9.4",
+      "distro_name": "debian",
+      "distro_version": "trixie",
       "compiler_name": "gcc",
-      "compiler_version": "12"
+      "compiler_version": "14",
+      "image_sha": "0525eae"
     },
     {
-      "distro_name": "rhel",
-      "distro_version": "9.4",
+      "distro_name": "debian",
+      "distro_version": "trixie",
       "compiler_name": "gcc",
-      "compiler_version": "13"
+      "compiler_version": "15",
+      "image_sha": "0525eae"
     },
     {
-      "distro_name": "rhel",
-      "distro_version": "9.4",
-      "compiler_name": "gcc",
-      "compiler_version": "14"
-    },
-    {
-      "distro_name": "rhel",
-      "distro_version": "9.6",
-      "compiler_name": "gcc",
-      "compiler_version": "13"
-    },
-    {
-      "distro_name": "rhel",
-      "distro_version": "9.6",
-      "compiler_name": "gcc",
-      "compiler_version": "14"
-    },
-    {
-      "distro_name": "rhel",
-      "distro_version": "9.4",
+      "distro_name": "debian",
+      "distro_version": "trixie",
       "compiler_name": "clang",
-      "compiler_version": "any"
+      "compiler_version": "20",
+      "image_sha": "0525eae"
+    },
+    {
+      "distro_name": "debian",
+      "distro_version": "trixie",
+      "compiler_name": "clang",
+      "compiler_version": "21",
+      "image_sha": "0525eae"
     },
     {
       "distro_name": "rhel",
-      "distro_version": "9.6",
+      "distro_version": "8",
+      "compiler_name": "gcc",
+      "compiler_version": "14",
+      "image_sha": "e1782cd"
+    },
+    {
+      "distro_name": "rhel",
+      "distro_version": "8",
       "compiler_name": "clang",
-      "compiler_version": "any"
+      "compiler_version": "any",
+      "image_sha": "e1782cd"
+    },
+    {
+      "distro_name": "rhel",
+      "distro_version": "9",
+      "compiler_name": "gcc",
+      "compiler_version": "12",
+      "image_sha": "e1782cd"
+    },
+    {
+      "distro_name": "rhel",
+      "distro_version": "9",
+      "compiler_name": "gcc",
+      "compiler_version": "13",
+      "image_sha": "e1782cd"
+    },
+    {
+      "distro_name": "rhel",
+      "distro_version": "9",
+      "compiler_name": "gcc",
+      "compiler_version": "14",
+      "image_sha": "e1782cd"
+    },
+    {
+      "distro_name": "rhel",
+      "distro_version": "9",
+      "compiler_name": "clang",
+      "compiler_version": "any",
+      "image_sha": "e1782cd"
+    },
+    {
+      "distro_name": "rhel",
+      "distro_version": "10",
+      "compiler_name": "gcc",
+      "compiler_version": "14",
+      "image_sha": "e1782cd"
+    },
+    {
+      "distro_name": "rhel",
+      "distro_version": "10",
+      "compiler_name": "clang",
+      "compiler_version": "any",
+      "image_sha": "e1782cd"
     },
     {
       "distro_name": "ubuntu",
       "distro_version": "jammy",
       "compiler_name": "gcc",
-      "compiler_version": "12"
+      "compiler_version": "12",
+      "image_sha": "e1782cd"
     },
     {
       "distro_name": "ubuntu",
       "distro_version": "noble",
       "compiler_name": "gcc",
-      "compiler_version": "13"
+      "compiler_version": "13",
+      "image_sha": "e1782cd"
     },
     {
       "distro_name": "ubuntu",
       "distro_version": "noble",
       "compiler_name": "gcc",
-      "compiler_version": "14"
+      "compiler_version": "14",
+      "image_sha": "e1782cd"
     },
     {
       "distro_name": "ubuntu",
       "distro_version": "noble",
       "compiler_name": "clang",
-      "compiler_version": "16"
+      "compiler_version": "16",
+      "image_sha": "e1782cd"
     },
     {
       "distro_name": "ubuntu",
       "distro_version": "noble",
       "compiler_name": "clang",
-      "compiler_version": "17"
+      "compiler_version": "17",
+      "image_sha": "e1782cd"
     },
     {
       "distro_name": "ubuntu",
       "distro_version": "noble",
       "compiler_name": "clang",
-      "compiler_version": "18"
+      "compiler_version": "18",
+      "image_sha": "e1782cd"
     },
     {
       "distro_name": "ubuntu",
       "distro_version": "noble",
       "compiler_name": "clang",
-      "compiler_version": "19"
+      "compiler_version": "19",
+      "image_sha": "e1782cd"
     }
   ],
   "build_type": ["Debug", "Release"],

.github/scripts/strategy-matrix/macos.json

@@ -10,7 +10,8 @@
       "distro_name": "macos",
       "distro_version": "",
       "compiler_name": "",
-      "compiler_version": ""
+      "compiler_version": "",
+      "image_sha": ""
     }
   ],
   "build_type": ["Debug", "Release"],

.github/scripts/strategy-matrix/windows.json

@@ -2,7 +2,7 @@
   "architecture": [
     {
       "platform": "windows/amd64",
-      "runner": ["windows-latest"]
+      "runner": ["self-hosted", "Windows", "devbox"]
     }
   ],
   "os": [
@@ -10,7 +10,8 @@
       "distro_name": "windows",
       "distro_version": "",
       "compiler_name": "",
-      "compiler_version": ""
+      "compiler_version": "",
+      "image_sha": ""
     }
   ],
   "build_type": ["Debug", "Release"],

.github/workflows/build-test.yml

@@ -1,146 +0,0 @@
-# This workflow builds and tests the binary for various configurations.
-name: Build and test
-
-# This workflow can only be triggered by other workflows. Note that the
-# workflow_call event does not support the 'choice' input type, see
-# https://docs.github.com/en/actions/reference/workflows-and-actions/workflow-syntax#onworkflow_callinputsinput_idtype,
-# so we use 'string' instead.
-on:
-  workflow_call:
-    inputs:
-      build_dir:
-        description: "The directory where to build."
-        required: false
-        type: string
-        default: ".build"
-      dependencies_force_build:
-        description: "Force building of all dependencies."
-        required: false
-        type: boolean
-        default: false
-      dependencies_force_upload:
-        description: "Force uploading of all dependencies."
-        required: false
-        type: boolean
-        default: false
-      os:
-        description: 'The operating system to use for the build ("linux", "macos", "windows").'
-        required: true
-        type: string
-      strategy_matrix:
-        # TODO: Support additional strategies, e.g. "ubuntu" for generating all Ubuntu configurations.
-        description: 'The strategy matrix to use for generating the configurations ("minimal", "all").'
-        required: false
-        type: string
-        default: "minimal"
-    secrets:
-      codecov_token:
-        description: "The Codecov token to use for uploading coverage reports."
-        required: false
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}-${{ inputs.os }}
-  cancel-in-progress: true
-
-defaults:
-  run:
-    shell: bash
-
-jobs:
-  # Generate the strategy matrix to be used by the following job.
-  generate-matrix:
-    uses: ./.github/workflows/reusable-strategy-matrix.yml
-    with:
-      os: ${{ inputs.os }}
-      strategy_matrix: ${{ inputs.strategy_matrix }}
-
-  # Build and test the binary.
-  build-test:
-    needs:
-      - generate-matrix
-    strategy:
-      fail-fast: false
-      matrix: ${{ fromJson(needs.generate-matrix.outputs.matrix) }}
-    runs-on: ${{ matrix.architecture.runner }}
-    container: ${{ inputs.os == 'linux' && format('ghcr.io/xrplf/ci/{0}-{1}:{2}-{3}', matrix.os.distro_name, matrix.os.distro_version, matrix.os.compiler_name, matrix.os.compiler_version) || null }}
-    steps:
-      - name: Check strategy matrix
-        run: |
-          echo 'Operating system distro name: ${{ matrix.os.distro_name }}'
-          echo 'Operating system distro version: ${{ matrix.os.distro_version }}'
-          echo 'Operating system compiler name: ${{ matrix.os.compiler_name }}'
-          echo 'Operating system compiler version: ${{ matrix.os.compiler_version }}'
-          echo 'Architecture platform: ${{ matrix.architecture.platform }}'
-          echo 'Architecture runner: ${{ toJson(matrix.architecture.runner) }}'
-          echo 'Build type: ${{ matrix.build_type }}'
-          echo 'Build only: ${{ matrix.build_only }}'
-          echo 'CMake arguments: ${{ matrix.cmake_args }}'
-          echo 'CMake target: ${{ matrix.cmake_target }}'
-          echo 'Config name: ${{ matrix.config_name }}'
-
-      - name: Cleanup workspace
-        if: ${{ runner.os == 'macOS' }}
-        uses: XRPLF/actions/.github/actions/cleanup-workspace@3f044c7478548e3c32ff68980eeb36ece02b364e
-
-      - name: Checkout repository
-        uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
-      - name: Prepare runner
-        uses: XRPLF/actions/.github/actions/prepare-runner@638e0dc11ea230f91bd26622fb542116bb5254d5
-        with:
-          disable_ccache: false
-
-      - name: Check configuration (Windows)
-        if: ${{ inputs.os == 'windows' }}
-        run: |
-          echo 'Checking environment variables.'
-          set
-
-          echo 'Checking CMake version.'
-          cmake --version
-
-          echo 'Checking Conan version.'
-          conan --version
-      - name: Check configuration (Linux and MacOS)
-        if: ${{ inputs.os == 'linux' || inputs.os == 'macos' }}
-        run: |
-          echo 'Checking path.'
-          echo ${PATH} | tr ':' '\n'
-
-          echo 'Checking environment variables.'
-          env | sort
-
-          echo 'Checking CMake version.'
-          cmake --version
-
-          echo 'Checking compiler version.'
-          ${{ inputs.os == 'linux' && '${CC}' || 'clang' }} --version
-
-          echo 'Checking Conan version.'
-          conan --version
-
-          echo 'Checking Ninja version.'
-          ninja --version
-
-          echo 'Checking nproc version.'
-          nproc --version
-
-      - name: Setup Conan
-        uses: ./.github/actions/setup-conan
-
-      - name: Build dependencies
-        uses: ./.github/actions/build-deps
-        with:
-          build_dir: ${{ inputs.build_dir }}
-          build_type: ${{ matrix.build_type }}
-          force_build: ${{ inputs.dependencies_force_build }}
-
-      - name: Build and test binary
-        uses: ./.github/actions/build-test
-        with:
-          build_dir: ${{ inputs.build_dir }}
-          build_only: ${{ matrix.build_only }}
-          build_type: ${{ matrix.build_type }}
-          cmake_args: ${{ matrix.cmake_args }}
-          cmake_target: ${{ matrix.cmake_target }}
-          codecov_token: ${{ secrets.codecov_token }}
-          os: ${{ inputs.os }}

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

@@ -1,62 +0,0 @@
-# This workflow checks that all commits in the "master" branch are also in the
-# "release" and "develop" branches, and that all commits in the "release" branch
-# are also in the "develop" branch.
-name: Check for missing commits
-
-# This workflow can only be triggered by other workflows.
-on: workflow_call
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}-missing-commits
-  cancel-in-progress: true
-
-defaults:
-  run:
-    shell: bash
-
-jobs:
-  check:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
-        with:
-          fetch-depth: 0
-      - name: Check for missing commits
-        env:
-          MESSAGE: |
-
-            If you are reading this, then the commits indicated above are missing
-            from the "develop" and/or "release" branch. Do a reverse-merge as soon
-            as possible. See CONTRIBUTING.md for instructions.
-        run: |
-          set -o pipefail
-          # Branches are ordered by how "canonical" they are. Every commit in one
-          # branch should be in all the branches behind it.
-          order=(master release develop)
-          branches=()
-          for branch in "${order[@]}"; do
-            # Check that the branches exist so that this job will work on forked
-            # repos, which don't necessarily have master and release branches.
-            echo "Checking if ${branch} exists."
-            if git ls-remote --exit-code --heads origin \
-              refs/heads/${branch} > /dev/null; then
-              branches+=(origin/${branch})
-            fi
-          done
-
-          prior=()
-          for branch in "${branches[@]}"; do
-            if [[ ${#prior[@]} -ne 0 ]]; then
-              echo "Checking ${prior[@]} for commits missing from ${branch}."
-              git log --oneline --no-merges "${prior[@]}" \
-                ^$branch | tee -a "missing-commits.txt"
-              echo
-            fi
-            prior+=("${branch}")
-          done
-
-          if [[ $(cat missing-commits.txt | wc -l) -ne 0 ]]; then
-            echo "${MESSAGE}"
-            exit 1
-          fi

.github/workflows/on-pr.yml

@@ -50,8 +50,8 @@ jobs:
           files: |
             # These paths are unique to `on-pr.yml`.
             .github/scripts/levelization/**
-            .github/workflows/check-levelization.yml
-            .github/workflows/notify-clio.yml
+            .github/workflows/reusable-check-levelization.yml
+            .github/workflows/reusable-notify-clio.yml
             .github/workflows/on-pr.yml
 
             # Keep the paths below in sync with those in `on-trigger.yml`.
@@ -59,8 +59,11 @@ jobs:
             .github/actions/build-test/**
             .github/actions/setup-conan/**
             .github/scripts/strategy-matrix/**
-            .github/workflows/build-test.yml
+            .github/workflows/reusable-build.yml
+            .github/workflows/reusable-build-test-config.yml
+            .github/workflows/reusable-build-test.yml
             .github/workflows/reusable-strategy-matrix.yml
+            .github/workflows/reusable-test.yml
             .codecov.yml
             cmake/**
             conan/**
@@ -93,26 +96,27 @@ jobs:
   check-levelization:
     needs: should-run
     if: ${{ needs.should-run.outputs.go == 'true' }}
-    uses: ./.github/workflows/check-levelization.yml
+    uses: ./.github/workflows/reusable-check-levelization.yml
 
   build-test:
     needs: should-run
     if: ${{ needs.should-run.outputs.go == 'true' }}
-    uses: ./.github/workflows/build-test.yml
+    uses: ./.github/workflows/reusable-build-test.yml
     strategy:
+      fail-fast: false
       matrix:
         os: [linux, macos, windows]
     with:
       os: ${{ matrix.os }}
     secrets:
-      codecov_token: ${{ secrets.CODECOV_TOKEN }}
+      CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
 
   notify-clio:
     needs:
       - should-run
       - build-test
-    if: ${{ needs.should-run.outputs.go == 'true' && contains(fromJSON('["release", "master"]'), github.ref_name) }}
-    uses: ./.github/workflows/notify-clio.yml
+    if: ${{ needs.should-run.outputs.go == 'true' && (startsWith(github.base_ref, 'release') || github.base_ref == 'master') }}
+    uses: ./.github/workflows/reusable-notify-clio.yml
     secrets:
       clio_notify_token: ${{ secrets.CLIO_NOTIFY_TOKEN }}
       conan_remote_username: ${{ secrets.CONAN_REMOTE_USERNAME }}

.github/workflows/on-trigger.yml

@@ -9,22 +9,23 @@ name: Trigger
 on:
   push:
     branches:
-      - develop
-      - release
-      - master
+      - "develop"
+      - "release*"
+      - "master"
     paths:
       # These paths are unique to `on-trigger.yml`.
-      - ".github/workflows/check-missing-commits.yml"
       - ".github/workflows/on-trigger.yml"
-      - ".github/workflows/publish-docs.yml"
 
       # Keep the paths below in sync with those in `on-pr.yml`.
       - ".github/actions/build-deps/**"
       - ".github/actions/build-test/**"
       - ".github/actions/setup-conan/**"
       - ".github/scripts/strategy-matrix/**"
-      - ".github/workflows/build-test.yml"
+      - ".github/workflows/reusable-build.yml"
+      - ".github/workflows/reusable-build-test-config.yml"
+      - ".github/workflows/reusable-build-test.yml"
       - ".github/workflows/reusable-strategy-matrix.yml"
+      - ".github/workflows/reusable-test.yml"
       - ".codecov.yml"
       - "cmake/**"
       - "conan/**"
@@ -43,25 +44,16 @@ on:
   schedule:
     - cron: "32 6 * * 1-5"
 
-  # Run when manually triggered via the GitHub UI or API. If `force_upload` is
-  # true, then the dependencies that were missing (`force_rebuild` is false) or
-  # rebuilt (`force_rebuild` is true) will be uploaded, overwriting existing
-  # dependencies if needed.
+  # Run when manually triggered via the GitHub UI or API.
   workflow_dispatch:
-    inputs:
-      dependencies_force_build:
-        description: "Force building of all dependencies."
-        required: false
-        type: boolean
-        default: false
-      dependencies_force_upload:
-        description: "Force uploading of all dependencies."
-        required: false
-        type: boolean
-        default: false
 
 concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
+  # When a PR is merged into the develop branch it will be assigned a unique
+  # group identifier, so execution will continue even if another PR is merged
+  # while it is still running. In all other cases the group identifier is shared
+  # per branch, so that any in-progress runs are cancelled when a new commit is
+  # pushed.
+  group: ${{ github.workflow }}-${{ github.event_name == 'push' && github.ref == 'refs/heads/develop' && github.sha || github.ref }}
   cancel-in-progress: true
 
 defaults:
@@ -69,17 +61,14 @@ defaults:
     shell: bash
 
 jobs:
-  check-missing-commits:
-    if: ${{ github.event_name == 'push' && github.ref_type == 'branch' && contains(fromJSON('["develop", "release"]'), github.ref_name) }}
-    uses: ./.github/workflows/check-missing-commits.yml
-
   build-test:
-    uses: ./.github/workflows/build-test.yml
+    uses: ./.github/workflows/reusable-build-test.yml
     strategy:
+      fail-fast: ${{ github.event_name == 'merge_group' }}
       matrix:
         os: [linux, macos, windows]
     with:
       os: ${{ matrix.os }}
-      strategy_matrix: "minimal"
+      strategy_matrix: ${{ github.event_name == 'schedule' && 'all' || 'minimal' }}
     secrets:
-      codecov_token: ${{ secrets.CODECOV_TOKEN }}
+      CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

.github/workflows/pre-commit.yml

@@ -7,8 +7,9 @@ on:
   workflow_dispatch:
 
 jobs:
+  # Call the workflow in the XRPLF/actions repo that runs the pre-commit hooks.
   run-hooks:
-    uses: XRPLF/actions/.github/workflows/pre-commit.yml@af1b0f0d764cda2e5435f5ac97b240d4bd4d95d3
+    uses: XRPLF/actions/.github/workflows/pre-commit.yml@34790936fae4c6c751f62ec8c06696f9c1a5753a
     with:
       runs_on: ubuntu-latest
-      container: '{ "image": "ghcr.io/xrplf/ci/tools-rippled-pre-commit" }'
+      container: '{ "image": "ghcr.io/xrplf/ci/tools-rippled-pre-commit:sha-a8c7be1" }'

.github/workflows/publish-docs.yml

@@ -23,16 +23,24 @@ defaults:
 
 env:
   BUILD_DIR: .build
+  NPROC_SUBTRACT: 2
 
 jobs:
   publish:
     runs-on: ubuntu-latest
-    container: ghcr.io/xrplf/ci/tools-rippled-documentation
+    container: ghcr.io/xrplf/ci/tools-rippled-documentation:sha-a8c7be1
     permissions:
       contents: write
     steps:
       - name: Checkout repository
         uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
+
+      - name: Get number of processors
+        uses: XRPLF/actions/.github/actions/get-nproc@046b1620f6bfd6cd0985dc82c3df02786801fe0a
+        id: nproc
+        with:
+          subtract: ${{ env.NPROC_SUBTRACT }}
+
       - name: Check configuration
         run: |
           echo 'Checking path.'
@@ -46,12 +54,16 @@ jobs:
 
           echo 'Checking Doxygen version.'
           doxygen --version
+
       - name: Build documentation
+        env:
+          BUILD_NPROC: ${{ steps.nproc.outputs.nproc }}
         run: |
-          mkdir -p ${{ env.BUILD_DIR }}
-          cd ${{ env.BUILD_DIR }}
+          mkdir -p "${BUILD_DIR}"
+          cd "${BUILD_DIR}"
           cmake -Donly_docs=ON ..
-          cmake --build . --target docs --parallel $(nproc)
+          cmake --build . --target docs --parallel ${BUILD_NPROC}
+
       - name: Publish documentation
         if: ${{ github.ref_type == 'branch' && github.ref_name == github.event.repository.default_branch }}
         uses: peaceiris/actions-gh-pages@4f9cc6602d3f66b9c108549d475ec49e8ef4d45e # v4.0.0

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

@@ -0,0 +1,213 @@
+name: Build and test configuration
+
+on:
+  workflow_call:
+    inputs:
+      build_dir:
+        description: "The directory where to build."
+        required: true
+        type: string
+
+      build_only:
+        description: 'Whether to only build or to build and test the code ("true", "false").'
+        required: true
+        type: boolean
+
+      build_type:
+        description: 'The build type to use ("Debug", "Release").'
+        type: string
+        required: true
+
+      cmake_args:
+        description: "Additional arguments to pass to CMake."
+        required: false
+        type: string
+        default: ""
+
+      cmake_target:
+        description: "The CMake target to build."
+        type: string
+        required: true
+
+      runs_on:
+        description: Runner to run the job on as a JSON string
+        required: true
+        type: string
+
+      image:
+        description: "The image to run in (leave empty to run natively)"
+        required: true
+        type: string
+
+      config_name:
+        description: "The configuration string (used for naming artifacts and such)."
+        required: true
+        type: string
+
+      nproc_subtract:
+        description: "The number of processors to subtract when calculating parallelism."
+        required: false
+        type: number
+        default: 2
+
+    secrets:
+      CODECOV_TOKEN:
+        description: "The Codecov token to use for uploading coverage reports."
+        required: true
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  build-and-test:
+    name: ${{ inputs.config_name }}
+    runs-on: ${{ fromJSON(inputs.runs_on) }}
+    container: ${{ inputs.image != '' && inputs.image || null }}
+    timeout-minutes: 60
+    env:
+      ENABLED_VOIDSTAR: ${{ contains(inputs.cmake_args, '-Dvoidstar=ON') }}
+      ENABLED_COVERAGE: ${{ contains(inputs.cmake_args, '-Dcoverage=ON') }}
+    steps:
+      - name: Cleanup workspace (macOS and Windows)
+        if: ${{ runner.os == 'macOS' || runner.os == 'Windows' }}
+        uses: XRPLF/actions/.github/actions/cleanup-workspace@01b244d2718865d427b499822fbd3f15e7197fcc
+
+      - name: Checkout repository
+        uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
+
+      - name: Prepare runner
+        uses: XRPLF/actions/.github/actions/prepare-runner@99685816bb60a95a66852f212f382580e180df3a
+        with:
+          disable_ccache: false
+
+      - name: Print build environment
+        uses: ./.github/actions/print-env
+
+      - name: Get number of processors
+        uses: XRPLF/actions/.github/actions/get-nproc@046b1620f6bfd6cd0985dc82c3df02786801fe0a
+        id: nproc
+        with:
+          subtract: ${{ inputs.nproc_subtract }}
+
+      - name: Setup Conan
+        uses: ./.github/actions/setup-conan
+
+      - name: Build dependencies
+        uses: ./.github/actions/build-deps
+        with:
+          build_dir: ${{ inputs.build_dir }}
+          build_nproc: ${{ steps.nproc.outputs.nproc }}
+          build_type: ${{ inputs.build_type }}
+          # Set the verbosity to "quiet" for Windows to avoid an excessive
+          # amount of logs. For other OSes, the "verbose" logs are more useful.
+          log_verbosity: ${{ runner.os == 'Windows' && 'quiet' || 'verbose' }}
+
+      - name: Configure CMake
+        working-directory: ${{ inputs.build_dir }}
+        env:
+          BUILD_TYPE: ${{ inputs.build_type }}
+          CMAKE_ARGS: ${{ inputs.cmake_args }}
+        run: |
+          cmake \
+            -G '${{ runner.os == 'Windows' && 'Visual Studio 17 2022' || 'Ninja' }}' \
+            -DCMAKE_TOOLCHAIN_FILE:FILEPATH=build/generators/conan_toolchain.cmake \
+            -DCMAKE_BUILD_TYPE="${BUILD_TYPE}" \
+            ${CMAKE_ARGS} \
+            ..
+
+      - name: Build the binary
+        working-directory: ${{ inputs.build_dir }}
+        env:
+          BUILD_NPROC: ${{ steps.nproc.outputs.nproc }}
+          BUILD_TYPE: ${{ inputs.build_type }}
+          CMAKE_TARGET: ${{ inputs.cmake_target }}
+        run: |
+          cmake \
+            --build . \
+            --config "${BUILD_TYPE}" \
+            --parallel "${BUILD_NPROC}" \
+            --target "${CMAKE_TARGET}"
+
+      - name: Upload rippled artifact (Linux)
+        if: ${{ github.repository_owner == 'XRPLF' && runner.os == 'Linux' }}
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
+        env:
+          BUILD_DIR: ${{ inputs.build_dir }}
+        with:
+          name: rippled-${{ inputs.config_name }}
+          path: ${{ env.BUILD_DIR }}/rippled
+          retention-days: 3
+          if-no-files-found: error
+
+      - name: Check linking (Linux)
+        if: ${{ runner.os == 'Linux' }}
+        working-directory: ${{ inputs.build_dir }}
+        run: |
+          ldd ./rippled
+          if [ "$(ldd ./rippled | grep -E '(libstdc\+\+|libgcc)' | wc -l)" -eq 0 ]; then
+            echo 'The binary is statically linked.'
+          else
+            echo 'The binary is dynamically linked.'
+            exit 1
+          fi
+
+      - name: Verify presence of instrumentation (Linux)
+        if: ${{ runner.os == 'Linux' && env.ENABLED_VOIDSTAR == 'true' }}
+        working-directory: ${{ inputs.build_dir }}
+        run: |
+          ./rippled --version | grep libvoidstar
+
+      - name: Run the separate tests
+        if: ${{ !inputs.build_only }}
+        working-directory: ${{ inputs.build_dir }}
+        # Windows locks some of the build files while running tests, and parallel jobs can collide
+        env:
+          BUILD_TYPE: ${{ inputs.build_type }}
+          PARALLELISM: ${{ runner.os == 'Windows' && '1' || steps.nproc.outputs.nproc }}
+        run: |
+          ctest \
+            --output-on-failure \
+            -C "${BUILD_TYPE}" \
+            -j "${PARALLELISM}"
+
+      - name: Run the embedded tests
+        if: ${{ !inputs.build_only }}
+        working-directory: ${{ runner.os == 'Windows' && format('{0}/{1}', inputs.build_dir, inputs.build_type) || inputs.build_dir }}
+        env:
+          BUILD_NPROC: ${{ steps.nproc.outputs.nproc }}
+        run: |
+          ./rippled --unittest --unittest-jobs "${BUILD_NPROC}"
+
+      - name: Debug failure (Linux)
+        if: ${{ failure() && runner.os == 'Linux' && !inputs.build_only }}
+        run: |
+          echo "IPv4 local port range:"
+          cat /proc/sys/net/ipv4/ip_local_port_range
+          echo "Netstat:"
+          netstat -an
+
+      - name: Prepare coverage report
+        if: ${{ !inputs.build_only && env.ENABLED_COVERAGE == 'true' }}
+        working-directory: ${{ inputs.build_dir }}
+        env:
+          BUILD_NPROC: ${{ steps.nproc.outputs.nproc }}
+          BUILD_TYPE: ${{ inputs.build_type }}
+        run: |
+          cmake \
+            --build . \
+            --config "${BUILD_TYPE}" \
+            --parallel "${BUILD_NPROC}" \
+            --target coverage
+
+      - name: Upload coverage report
+        if: ${{ github.repository_owner == 'XRPLF' && !inputs.build_only && env.ENABLED_COVERAGE == 'true' }}
+        uses: codecov/codecov-action@18283e04ce6e62d37312384ff67231eb8fd56d24 # v5.4.3
+        with:
+          disable_search: true
+          disable_telem: true
+          fail_ci_if_error: true
+          files: ${{ inputs.build_dir }}/coverage.xml
+          plugins: noop
+          token: ${{ secrets.CODECOV_TOKEN }}
+          verbose: true

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

@@ -0,0 +1,58 @@
+# This workflow builds and tests the binary for various configurations.
+name: Build and test
+
+# This workflow can only be triggered by other workflows. Note that the
+# workflow_call event does not support the 'choice' input type, see
+# https://docs.github.com/en/actions/reference/workflows-and-actions/workflow-syntax#onworkflow_callinputsinput_idtype,
+# so we use 'string' instead.
+on:
+  workflow_call:
+    inputs:
+      build_dir:
+        description: "The directory where to build."
+        required: false
+        type: string
+        default: ".build"
+      os:
+        description: 'The operating system to use for the build ("linux", "macos", "windows").'
+        required: true
+        type: string
+      strategy_matrix:
+        # TODO: Support additional strategies, e.g. "ubuntu" for generating all Ubuntu configurations.
+        description: 'The strategy matrix to use for generating the configurations ("minimal", "all").'
+        required: false
+        type: string
+        default: "minimal"
+    secrets:
+      CODECOV_TOKEN:
+        description: "The Codecov token to use for uploading coverage reports."
+        required: true
+
+jobs:
+  # Generate the strategy matrix to be used by the following job.
+  generate-matrix:
+    uses: ./.github/workflows/reusable-strategy-matrix.yml
+    with:
+      os: ${{ inputs.os }}
+      strategy_matrix: ${{ inputs.strategy_matrix }}
+
+  # Build and test the binary for each configuration.
+  build-test-config:
+    needs:
+      - generate-matrix
+    uses: ./.github/workflows/reusable-build-test-config.yml
+    strategy:
+      fail-fast: ${{ github.event_name == 'merge_group' }}
+      matrix: ${{ fromJson(needs.generate-matrix.outputs.matrix) }}
+      max-parallel: 10
+    with:
+      build_dir: ${{ inputs.build_dir }}
+      build_only: ${{ matrix.build_only }}
+      build_type: ${{ matrix.build_type }}
+      cmake_args: ${{ matrix.cmake_args }}
+      cmake_target: ${{ matrix.cmake_target }}
+      runs_on: ${{ toJSON(matrix.architecture.runner) }}
+      image: ${{ contains(matrix.architecture.platform, 'linux') && format('ghcr.io/xrplf/ci/{0}-{1}:{2}-{3}-sha-{4}', matrix.os.distro_name, matrix.os.distro_version, matrix.os.compiler_name, matrix.os.compiler_version, matrix.os.image_sha) || '' }}
+      config_name: ${{ matrix.config_name }}
+    secrets:
+      CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

.github/workflows/reusable-notify-clio.yml

@@ -40,47 +40,52 @@ jobs:
   upload:
     if: ${{ github.event.pull_request.head.repo.full_name == github.repository }}
     runs-on: ubuntu-latest
-    container: ghcr.io/xrplf/ci/ubuntu-noble:gcc-13
+    container: ghcr.io/xrplf/ci/ubuntu-noble:gcc-13-sha-5dd7158
     steps:
       - name: Checkout repository
         uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
       - name: Generate outputs
         id: generate
+        env:
+          PR_NUMBER: ${{ github.event.pull_request.number }}
         run: |
           echo 'Generating user and channel.'
           echo "user=clio" >> "${GITHUB_OUTPUT}"
-          echo "channel=pr_${{ github.event.pull_request.number }}" >> "${GITHUB_OUTPUT}"
+          echo "channel=pr_${PR_NUMBER}" >> "${GITHUB_OUTPUT}"
           echo 'Extracting version.'
           echo "version=$(cat src/libxrpl/protocol/BuildInfo.cpp | grep "versionString =" | awk -F '"' '{print $2}')" >> "${GITHUB_OUTPUT}"
       - name: Calculate conan reference
         id: conan_ref
         run: |
           echo "conan_ref=${{ steps.generate.outputs.version }}@${{ steps.generate.outputs.user }}/${{ steps.generate.outputs.channel }}" >> "${GITHUB_OUTPUT}"
-
       - name: Set up Conan
         uses: ./.github/actions/setup-conan
         with:
           conan_remote_name: ${{ inputs.conan_remote_name }}
           conan_remote_url: ${{ inputs.conan_remote_url }}
-
       - name: Log into Conan remote
-        run: conan remote login ${{ inputs.conan_remote_name }} "${{ secrets.conan_remote_username }}" --password "${{ secrets.conan_remote_password }}"
+        env:
+          CONAN_REMOTE_NAME: ${{ inputs.conan_remote_name }}
+        run: conan remote login "${CONAN_REMOTE_NAME}" "${{ secrets.conan_remote_username }}" --password "${{ secrets.conan_remote_password }}"
       - name: Upload package
+        env:
+          CONAN_REMOTE_NAME: ${{ inputs.conan_remote_name }}
         run: |
           conan export --user=${{ steps.generate.outputs.user }} --channel=${{ steps.generate.outputs.channel }} .
-          conan upload --confirm --check --remote=${{ inputs.conan_remote_name }} xrpl/${{ steps.conan_ref.outputs.conan_ref }}
+          conan upload --confirm --check --remote="${CONAN_REMOTE_NAME}" xrpl/${{ steps.conan_ref.outputs.conan_ref }}
     outputs:
       conan_ref: ${{ steps.conan_ref.outputs.conan_ref }}
 
   notify:
     needs: upload
     runs-on: ubuntu-latest
-    env:
-      GH_TOKEN: ${{ secrets.clio_notify_token }}
     steps:
       - name: Notify Clio
+        env:
+          GH_TOKEN: ${{ secrets.clio_notify_token }}
+          PR_URL: ${{ github.event.pull_request.html_url }}
         run: |
           gh api --method POST -H "Accept: application/vnd.github+json" -H "X-GitHub-Api-Version: 2022-11-28" \
           /repos/xrplf/clio/dispatches -f "event_type=check_libxrpl" \
           -F "client_payload[conan_ref]=${{ needs.upload.outputs.conan_ref }}" \
-          -F "client_payload[pr_url]=${{ github.event.pull_request.html_url }}"
+          -F "client_payload[pr_url]=${PR_URL}"

.github/workflows/reusable-strategy-matrix.yml

@@ -18,6 +18,10 @@ on:
         description: "The generated strategy matrix."
         value: ${{ jobs.generate-matrix.outputs.matrix }}
 
+defaults:
+  run:
+    shell: bash
+
 jobs:
   generate-matrix:
     runs-on: ubuntu-latest
@@ -35,4 +39,7 @@ jobs:
       - name: Generate strategy matrix
         working-directory: .github/scripts/strategy-matrix
         id: generate
-        run: ./generate.py ${{ inputs.strategy_matrix == 'all' && '--all' || '' }} ${{ inputs.os != '' && format('--config={0}.json', inputs.os) || '' }} >> "${GITHUB_OUTPUT}"
+        env:
+          GENERATE_CONFIG: ${{ inputs.os != '' && format('--config={0}.json', inputs.os) || '' }}
+          GENERATE_OPTION: ${{ inputs.strategy_matrix == 'all' && '--all' || '' }}
+        run: ./generate.py ${GENERATE_OPTION} ${GENERATE_CONFIG} >> "${GITHUB_OUTPUT}"

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

@@ -24,30 +24,34 @@ on:
     branches: [develop]
     paths:
       - .github/workflows/upload-conan-deps.yml
-
       - .github/workflows/reusable-strategy-matrix.yml
-
       - .github/actions/build-deps/action.yml
       - .github/actions/setup-conan/action.yml
       - ".github/scripts/strategy-matrix/**"
-
       - conanfile.py
       - conan.lock
 
 env:
   CONAN_REMOTE_NAME: xrplf
   CONAN_REMOTE_URL: https://conan.ripplex.io
+  NPROC_SUBTRACT: 2
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
+defaults:
+  run:
+    shell: bash
+
 jobs:
+  # Generate the strategy matrix to be used by the following job.
   generate-matrix:
     uses: ./.github/workflows/reusable-strategy-matrix.yml
     with:
       strategy_matrix: ${{ github.event_name == 'pull_request' && 'minimal' || 'all' }}
 
+  # Build and upload the dependencies for each configuration.
   run-upload-conan-deps:
     needs:
       - generate-matrix
@@ -56,19 +60,29 @@ jobs:
       matrix: ${{ fromJson(needs.generate-matrix.outputs.matrix) }}
       max-parallel: 10
     runs-on: ${{ matrix.architecture.runner }}
-    container: ${{ contains(matrix.architecture.platform, 'linux') && format('ghcr.io/xrplf/ci/{0}-{1}:{2}-{3}', matrix.os.distro_name, matrix.os.distro_version, matrix.os.compiler_name, matrix.os.compiler_version) || null }}
-
+    container: ${{ contains(matrix.architecture.platform, 'linux') && format('ghcr.io/xrplf/ci/{0}-{1}:{2}-{3}-sha-{4}', matrix.os.distro_name, matrix.os.distro_version, matrix.os.compiler_name, matrix.os.compiler_version, matrix.os.image_sha) || null }}
     steps:
-      - name: Cleanup workspace
-        if: ${{ runner.os == 'macOS' }}
-        uses: XRPLF/actions/.github/actions/cleanup-workspace@3f044c7478548e3c32ff68980eeb36ece02b364e
+      - name: Cleanup workspace (macOS and Windows)
+        if: ${{ runner.os == 'macOS' || runner.os == 'Windows' }}
+        uses: XRPLF/actions/.github/actions/cleanup-workspace@01b244d2718865d427b499822fbd3f15e7197fcc
+
+      - name: Checkout repository
+        uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
 
-      - uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
       - name: Prepare runner
-        uses: XRPLF/actions/.github/actions/prepare-runner@638e0dc11ea230f91bd26622fb542116bb5254d5
+        uses: XRPLF/actions/.github/actions/prepare-runner@99685816bb60a95a66852f212f382580e180df3a
         with:
           disable_ccache: false
 
+      - name: Print build environment
+        uses: ./.github/actions/print-env
+
+      - name: Get number of processors
+        uses: XRPLF/actions/.github/actions/get-nproc@046b1620f6bfd6cd0985dc82c3df02786801fe0a
+        id: nproc
+        with:
+          subtract: ${{ env.NPROC_SUBTRACT }}
+
       - name: Setup Conan
         uses: ./.github/actions/setup-conan
         with:
@@ -79,13 +93,19 @@ jobs:
         uses: ./.github/actions/build-deps
         with:
           build_dir: .build
+          build_nproc: ${{ steps.nproc.outputs.nproc }}
           build_type: ${{ matrix.build_type }}
           force_build: ${{ github.event_name == 'schedule' || github.event.inputs.force_source_build == 'true' }}
+          # Set the verbosity to "quiet" for Windows to avoid an excessive
+          # amount of logs. For other OSes, the "verbose" logs are more useful.
+          log_verbosity: ${{ runner.os == 'Windows' && 'quiet' || 'verbose' }}
 
       - name: Log into Conan remote
-        if: ${{ github.repository_owner == 'XRPLF' && github.event_name != 'pull_request' }}
-        run: conan remote login ${{ env.CONAN_REMOTE_NAME }} "${{ secrets.CONAN_REMOTE_USERNAME }}" --password "${{ secrets.CONAN_REMOTE_PASSWORD }}"
+        if: ${{ github.repository_owner == 'XRPLF' && (github.event_name == 'push' || github.event_name == 'workflow_dispatch') }}
+        run: conan remote login "${CONAN_REMOTE_NAME}" "${{ secrets.CONAN_REMOTE_USERNAME }}" --password "${{ secrets.CONAN_REMOTE_PASSWORD }}"
 
       - name: Upload Conan packages
-        if: ${{ github.repository_owner == 'XRPLF' && github.event_name != 'pull_request' && github.event_name != 'schedule' }}
-        run: conan upload "*" -r=${{ env.CONAN_REMOTE_NAME }} --confirm ${{ github.event.inputs.force_upload == 'true' && '--force' || '' }}
+        if: ${{ github.repository_owner == 'XRPLF' && (github.event_name == 'push' || github.event_name == 'workflow_dispatch') }}
+        env:
+          FORCE_OPTION: ${{ github.event.inputs.force_upload == 'true' && '--force' || '' }}
+        run: conan upload "*" --remote="${CONAN_REMOTE_NAME}" --confirm ${FORCE_OPTION}

.pre-commit-config.yaml

@@ -34,6 +34,5 @@ repos:
 exclude: |
   (?x)^(
       external/.*|
-      .github/scripts/levelization/results/.*\.txt|
-      conan\.lock
+      .github/scripts/levelization/results/.*\.txt
   )$

BUILD.md

@@ -39,17 +39,12 @@ found here](./docs/build/environment.md).
 
 - [Python 3.11](https://www.python.org/downloads/), or higher
 - [Conan 2.17](https://conan.io/downloads.html)[^1], or higher
-- [CMake 3.22](https://cmake.org/download/)[^2], or higher
+- [CMake 3.22](https://cmake.org/download/), or higher
 
 [^1]:
     It is possible to build with Conan 1.60+, but the instructions are
     significantly different, which is why we are not recommending it.
 
-[^2]:
-    CMake 4 is not yet supported by all dependencies required by this project.
-    If you are affected by this issue, follow [conan workaround for cmake
-    4](#workaround-for-cmake-4)
-
 `rippled` is written in the C++20 dialect and includes the `<concepts>` header.
 The [minimum compiler versions][2] required are:
 
@@ -282,21 +277,6 @@ sed -i.bak -e 's|^arch=.*$|arch=x86_64|' $(conan config home)/profiles/default
 sed -i.bak -e 's|^compiler\.runtime=.*$|compiler.runtime=static|' $(conan config home)/profiles/default
 ```
 
-#### Workaround for CMake 4
-
-If your system CMake is version 4 rather than 3, you may have to configure Conan
-profile to use CMake version 3 for dependencies, by adding the following two
-lines to your profile:
-
-```text
-[tool_requires]
-!cmake/*: cmake/[>=3 <4]
-```
-
-This will force Conan to download and use a locally cached CMake 3 version, and
-is needed because some of the dependencies used by this project do not support
-CMake 4.
-
 #### Clang workaround for grpc
 
 If your compiler is clang, version 19 or later, or apple-clang, version 17 or
@@ -515,18 +495,18 @@ A coverage report is created when the following steps are completed, in order:
 
 1. `rippled` binary built with instrumentation data, enabled by the `coverage`
    option mentioned above
-2. completed run of unit tests, which populates coverage capture data
+2. completed one or more run of the unit tests, which populates coverage capture data
 3. completed run of the `gcovr` tool (which internally invokes either `gcov` or `llvm-cov`)
    to assemble both instrumentation data and the coverage capture data into a coverage report
 
-The above steps are automated into a single target `coverage`. The instrumented
+The last step of the above is automated into a single target `coverage`. The instrumented
 `rippled` binary can also be used for regular development or testing work, at
 the cost of extra disk space utilization and a small performance hit
-(to store coverage capture). In case of a spurious failure of unit tests, it is
-possible to re-run the `coverage` target without rebuilding the `rippled` binary
-(since it is simply a dependency of the coverage report target). It is also possible
-to select only specific tests for the purpose of the coverage report, by setting
-the `coverage_test` variable in `cmake`
+(to store coverage capture data). Since `rippled` binary is simply a dependency of the
+coverage report target, it is possible to re-run the `coverage` target without
+rebuilding the `rippled` binary. Note, running of the unit tests before the `coverage`
+target is left to the developer. Each such run will append to the coverage data
+collected in the build directory.
 
 The default coverage report format is `html-details`, but the user
 can override it to any of the formats listed in `Builds/CMake/CodeCoverage.cmake`
@@ -535,11 +515,6 @@ to generate more than one format at a time by setting the `coverage_extra_args`
 variable in `cmake`. The specific command line used to run the `gcovr` tool will be
 displayed if the `CODE_COVERAGE_VERBOSE` variable is set.
 
-By default, the code coverage tool runs parallel unit tests with `--unittest-jobs`
-set to the number of available CPU cores. This may cause spurious test
-errors on Apple. Developers can override the number of unit test jobs with
-the `coverage_test_parallelism` variable in `cmake`.
-
 Example use with some cmake variables set:
 
 ```

cmake/CMakeFuncs.cmake

@@ -1,21 +1,3 @@
-macro(group_sources_in source_dir curdir)
-  file(GLOB children RELATIVE ${source_dir}/${curdir}
-    ${source_dir}/${curdir}/*)
-  foreach (child ${children})
-    if (IS_DIRECTORY ${source_dir}/${curdir}/${child})
-      group_sources_in(${source_dir} ${curdir}/${child})
-    else()
-      string(REPLACE "/" "\\" groupname ${curdir})
-      source_group(${groupname} FILES
-        ${source_dir}/${curdir}/${child})
-    endif()
-  endforeach()
-endmacro()
-
-macro(group_sources curdir)
-  group_sources_in(${PROJECT_SOURCE_DIR} ${curdir})
-endmacro()
-
 macro (exclude_from_default target_)
   set_target_properties (${target_} PROPERTIES EXCLUDE_FROM_ALL ON)
   set_target_properties (${target_} PROPERTIES EXCLUDE_FROM_DEFAULT_BUILD ON)

cmake/CodeCoverage.cmake

@@ -109,6 +109,9 @@
 #     - add a new function add_code_coverage_to_target
 #     - remove some unused code
 #
+# 2025-11-11, Bronek Kozicki
+#     - make EXECUTABLE and EXECUTABLE_ARGS optional
+#
 # USAGE:
 #
 # 1. Copy this file into your cmake modules path.
@@ -317,6 +320,10 @@ function(setup_target_for_coverage_gcovr)
         set(Coverage_FORMAT xml)
     endif()
 
+    if(NOT DEFINED Coverage_EXECUTABLE AND DEFINED Coverage_EXECUTABLE_ARGS)
+        message(FATAL_ERROR "EXECUTABLE_ARGS must not be set if EXECUTABLE is not set")
+    endif()
+
     if("--output" IN_LIST GCOVR_ADDITIONAL_ARGS)
         message(FATAL_ERROR "Unsupported --output option detected in GCOVR_ADDITIONAL_ARGS! Aborting...")
     else()
@@ -398,17 +405,18 @@ function(setup_target_for_coverage_gcovr)
     endforeach()
 
     # Set up commands which will be run to generate coverage data
-    # Run tests
-    set(GCOVR_EXEC_TESTS_CMD
-        ${Coverage_EXECUTABLE} ${Coverage_EXECUTABLE_ARGS}
-    )
+    # If EXECUTABLE is not set, the user is expected to run the tests manually
+    # before running the coverage target NAME
+    if(DEFINED Coverage_EXECUTABLE)
+        set(GCOVR_EXEC_TESTS_CMD
+            ${Coverage_EXECUTABLE} ${Coverage_EXECUTABLE_ARGS}
+        )
+    endif()
 
     # Create folder
     if(DEFINED GCOVR_CREATE_FOLDER)
         set(GCOVR_FOLDER_CMD
             ${CMAKE_COMMAND} -E make_directory ${GCOVR_CREATE_FOLDER})
-    else()
-        set(GCOVR_FOLDER_CMD echo) # dummy
     endif()
 
     # Running gcovr
@@ -425,11 +433,13 @@ function(setup_target_for_coverage_gcovr)
     if(CODE_COVERAGE_VERBOSE)
         message(STATUS "Executed command report")
 
-        message(STATUS "Command to run tests: ")
-        string(REPLACE ";" " " GCOVR_EXEC_TESTS_CMD_SPACED "${GCOVR_EXEC_TESTS_CMD}")
-        message(STATUS "${GCOVR_EXEC_TESTS_CMD_SPACED}")
+        if(NOT "${GCOVR_EXEC_TESTS_CMD}" STREQUAL "")
+            message(STATUS "Command to run tests: ")
+            string(REPLACE ";" " " GCOVR_EXEC_TESTS_CMD_SPACED "${GCOVR_EXEC_TESTS_CMD}")
+            message(STATUS "${GCOVR_EXEC_TESTS_CMD_SPACED}")
+        endif()
 
-        if(NOT GCOVR_FOLDER_CMD STREQUAL "echo")
+        if(NOT "${GCOVR_FOLDER_CMD}" STREQUAL "")
             message(STATUS "Command to create a folder: ")
             string(REPLACE ";" " " GCOVR_FOLDER_CMD_SPACED "${GCOVR_FOLDER_CMD}")
             message(STATUS "${GCOVR_FOLDER_CMD_SPACED}")

cmake/RippleConfig.cmake

@@ -12,7 +12,7 @@ if (static OR MSVC)
 else ()
   set (Boost_USE_STATIC_RUNTIME OFF)
 endif ()
-find_dependency (Boost 1.70
+find_dependency (Boost
   COMPONENTS
     chrono
     container
@@ -52,5 +52,3 @@ if (TARGET ZLIB::ZLIB)
   set_target_properties(OpenSSL::Crypto PROPERTIES
     INTERFACE_LINK_LIBRARIES ZLIB::ZLIB)
 endif ()
-
-include ("${CMAKE_CURRENT_LIST_DIR}/RippleTargets.cmake")

cmake/RippledCompiler.cmake

@@ -16,16 +16,13 @@ set(CMAKE_CXX_EXTENSIONS OFF)
 target_compile_definitions (common
   INTERFACE
     $<$<CONFIG:Debug>:DEBUG _DEBUG>
-    #[===[
-    NOTE: CMAKE release builds already have NDEBUG defined, so no need to add it
-    explicitly except for the special case of (profile ON) and (assert OFF).
-    Presumably this is because we don't want profile builds asserting unless
-    asserts were specifically requested.
-    ]===]
-    $<$<AND:$<BOOL:${profile}>,$<NOT:$<BOOL:${assert}>>>:NDEBUG>
-    # TODO: Remove once we have migrated functions from OpenSSL 1.x to 3.x.
-    OPENSSL_SUPPRESS_DEPRECATED
-)
+    $<$<AND:$<BOOL:${profile}>,$<NOT:$<BOOL:${assert}>>>:NDEBUG>)
+    # ^^^^ NOTE: CMAKE release builds already have NDEBUG
+    # defined, so no need to add it explicitly except for
+    # this special case of (profile ON) and (assert OFF)
+    # -- presumably this is because we don't want profile
+    # builds asserting unless asserts were specifically
+    # requested
 
 if (MSVC)
   # remove existing exception flag since we set it to -EHa

cmake/RippledCore.cmake

@@ -72,10 +72,7 @@ include(target_link_modules)
 
 # Level 01
 add_module(xrpl beast)
-target_link_libraries(xrpl.libxrpl.beast PUBLIC
-  xrpl.imports.main
-  xrpl.libpb
-)
+target_link_libraries(xrpl.libxrpl.beast PUBLIC xrpl.imports.main)
 
 # Level 02
 add_module(xrpl basics)
@@ -111,6 +108,12 @@ target_link_libraries(xrpl.libxrpl.net PUBLIC
 add_module(xrpl server)
 target_link_libraries(xrpl.libxrpl.server PUBLIC xrpl.libxrpl.protocol)
 
+add_module(xrpl ledger)
+target_link_libraries(xrpl.libxrpl.ledger PUBLIC
+  xrpl.libxrpl.basics
+  xrpl.libxrpl.json
+  xrpl.libxrpl.protocol
+)
 
 add_library(xrpl.libxrpl)
 set_target_properties(xrpl.libxrpl PROPERTIES OUTPUT_NAME xrpl)
@@ -131,6 +134,7 @@ target_link_modules(xrpl PUBLIC
   resource
   server
   net
+  ledger
 )
 
 # All headers in libxrpl are in modules.

cmake/RippledCov.cmake

@@ -11,6 +11,9 @@ if(CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
   return()
 endif()
 
+include(ProcessorCount)
+ProcessorCount(PROCESSOR_COUNT)
+
 include(CodeCoverage)
 
 # The instructions for these commands come from the `CodeCoverage` module,
@@ -26,15 +29,13 @@ list(APPEND GCOVR_ADDITIONAL_ARGS
   --exclude-throw-branches
   --exclude-noncode-lines
   --exclude-unreachable-branches -s
-  -j ${coverage_test_parallelism})
+  -j ${PROCESSOR_COUNT})
 
 setup_target_for_coverage_gcovr(
   NAME coverage
   FORMAT ${coverage_format}
-  EXECUTABLE rippled
-  EXECUTABLE_ARGS --unittest$<$<BOOL:${coverage_test}>:=${coverage_test}> --unittest-jobs ${coverage_test_parallelism} --quiet --unittest-log
-  EXCLUDE "src/test" "include/xrpl/beast/test" "include/xrpl/beast/unit_test" "${CMAKE_BINARY_DIR}/pb-xrpl.libpb"
-  DEPENDENCIES rippled
+  EXCLUDE "src/test" "src/tests" "include/xrpl/beast/test" "include/xrpl/beast/unit_test" "${CMAKE_BINARY_DIR}/pb-xrpl.libpb"
+  DEPENDENCIES rippled xrpl.tests
 )
 
 add_code_coverage_to_target(opts INTERFACE)

cmake/RippledInstall.cmake

@@ -18,6 +18,7 @@ install (
     xrpl.libxrpl.json
     xrpl.libxrpl.protocol
     xrpl.libxrpl.resource
+    xrpl.libxrpl.ledger
     xrpl.libxrpl.server
     xrpl.libxrpl.net
     xrpl.libxrpl

cmake/RippledSanity.cmake

@@ -1,5 +1,5 @@
 #[===================================================================[
-   convenience variables and sanity checks
+   sanity checks
 #]===================================================================]
 
 get_property(is_multiconfig GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
@@ -16,39 +16,19 @@ if (NOT is_multiconfig)
   endif ()
 endif ()
 
-get_directory_property(has_parent PARENT_DIRECTORY)
-if (has_parent)
-  set (is_root_project OFF)
-else ()
-  set (is_root_project ON)
-endif ()
-
 if ("${CMAKE_CXX_COMPILER_ID}" MATCHES ".*Clang") # both Clang and AppleClang
   set (is_clang TRUE)
   if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang" AND
-         CMAKE_CXX_COMPILER_VERSION VERSION_LESS 8.0)
-    message (FATAL_ERROR "This project requires clang 8 or later")
+         CMAKE_CXX_COMPILER_VERSION VERSION_LESS 16.0)
+    message (FATAL_ERROR "This project requires clang 16 or later")
   endif ()
-  # TODO min AppleClang version check ?
 elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
   set (is_gcc TRUE)
-  if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 8.0)
-    message (FATAL_ERROR "This project requires GCC 8 or later")
+  if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 12.0)
+    message (FATAL_ERROR "This project requires GCC 12 or later")
   endif ()
 endif ()
 
-if (CMAKE_SYSTEM_NAME STREQUAL "Linux")
-  set (is_linux TRUE)
-else ()
-  set (is_linux FALSE)
-endif ()
-
-if ("$ENV{CI}" STREQUAL "true" OR "$ENV{CONTINUOUS_INTEGRATION}" STREQUAL "true")
-  set (is_ci TRUE)
-else ()
-  set (is_ci FALSE)
-endif ()
-
 # check for in-source build and fail
 if ("${CMAKE_CURRENT_SOURCE_DIR}" STREQUAL "${CMAKE_BINARY_DIR}")
   message (FATAL_ERROR "Builds (in-source) are not allowed in "

cmake/RippledSettings.cmake

@@ -1,10 +1,25 @@
 #[===================================================================[
-   declare user options/settings
+   declare options and variables
 #]===================================================================]
 
-include(ProcessorCount)
+if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
+  set (is_linux TRUE)
+else()
+  set(is_linux FALSE)
+endif()
 
-ProcessorCount(PROCESSOR_COUNT)
+if("$ENV{CI}" STREQUAL "true" OR "$ENV{CONTINUOUS_INTEGRATION}" STREQUAL "true")
+  set(is_ci TRUE)
+else()
+  set(is_ci FALSE)
+endif()
+
+get_directory_property(has_parent PARENT_DIRECTORY)
+if(has_parent)
+  set(is_root_project OFF)
+else()
+  set(is_root_project ON)
+endif()
 
 option(assert "Enables asserts, even in release builds" OFF)
 
@@ -25,29 +40,28 @@ if(unity)
   endif()
   set(CMAKE_UNITY_BUILD ON CACHE BOOL "Do a unity build")
 endif()
+
 if(is_clang AND is_linux)
   option(voidstar "Enable Antithesis instrumentation." OFF)
 endif()
+
 if(is_gcc OR is_clang)
+  include(ProcessorCount)
+  ProcessorCount(PROCESSOR_COUNT)
+
   option(coverage "Generates coverage info." OFF)
   option(profile "Add profiling flags" OFF)
-  set(coverage_test_parallelism "${PROCESSOR_COUNT}" CACHE STRING
-    "Unit tests parallelism for the purpose of coverage report.")
   set(coverage_format "html-details" CACHE STRING
     "Output format of the coverage report.")
   set(coverage_extra_args "" CACHE STRING
     "Additional arguments to pass to gcovr.")
-  set(coverage_test "" CACHE STRING
-    "On gcc & clang, the specific unit test(s) to run for coverage. Default is all tests.")
-  if(coverage_test AND NOT coverage)
-    set(coverage ON CACHE BOOL "gcc/clang only" FORCE)
-  endif()
   option(wextra "compile with extra gcc/clang warnings enabled" ON)
 else()
   set(profile OFF CACHE BOOL "gcc/clang only" FORCE)
   set(coverage OFF CACHE BOOL "gcc/clang only" FORCE)
   set(wextra OFF CACHE BOOL "gcc/clang only" FORCE)
 endif()
+
 if(is_linux)
   option(BUILD_SHARED_LIBS "build shared ripple libraries" OFF)
   option(static "link protobuf, openssl, libc++, and boost statically" ON)
@@ -64,11 +78,13 @@ else()
   set(use_gold OFF CACHE BOOL "gold linker, linux only" FORCE)
   set(use_mold OFF CACHE BOOL "mold linker, linux only" FORCE)
 endif()
+
 if(is_clang)
   option(use_lld "enables detection of lld linker" ON)
 else()
   set(use_lld OFF CACHE BOOL "try lld linker, clang only" FORCE)
 endif()
+
 option(jemalloc "Enables jemalloc for heap profiling" OFF)
 option(werr "treat warnings as errors" OFF)
 option(local_protobuf
@@ -102,38 +118,26 @@ if(san)
     message(FATAL_ERROR "${san} sanitizer does not seem to be supported by your compiler")
   endif()
 endif()
-set(container_label "" CACHE STRING "tag to use for package building containers")
-option(packages_only
-  "ONLY generate package building targets. This is special use-case and almost \
-   certainly not what you want. Use with caution as you won't be able to build \
-   any compiled targets locally." OFF)
-option(have_package_container
-  "Sometimes you already have the tagged container you want to use for package \
-   building and you don't want docker to rebuild it. This flag will detach the \
-   dependency of the package build from the container build. It's an advanced \
-   use case and most likely you should not be touching this flag." OFF)
 
 # the remaining options are obscure and rarely used
 option(beast_no_unit_test_inline
   "Prevents unit test definitions from being inserted into global table"
   OFF)
 option(single_io_service_thread
-  "Restricts the number of threads calling io_context::run to one. \
+  "Restricts the number of threads calling io_service::run to one. \
   This can be useful when debugging."
   OFF)
 option(boost_show_deprecated
   "Allow boost to fail on deprecated usage. Only useful if you're trying\
   to find deprecated calls."
   OFF)
-option(beast_hashers
-  "Use local implementations for sha/ripemd hashes (experimental, not recommended)"
-  OFF)
 
 if(WIN32)
   option(beast_disable_autolink "Disables autolinking of system libraries on WIN32" OFF)
 else()
   set(beast_disable_autolink OFF CACHE BOOL "WIN32 only" FORCE)
 endif()
+
 if(coverage)
   message(STATUS "coverage build requested - forcing Debug build")
   set(CMAKE_BUILD_TYPE Debug CACHE STRING "build type" FORCE)

cmake/deps/Boost.cmake

@@ -24,7 +24,6 @@ target_link_libraries(ripple_boost
     Boost::date_time
     Boost::filesystem
     Boost::json
-    Boost::process
     Boost::program_options
     Boost::regex
     Boost::system

cmake/xrpl_add_test.cmake

@@ -7,7 +7,7 @@ function(xrpl_add_test name)
   "${CMAKE_CURRENT_SOURCE_DIR}/${name}/*.cpp"
   "${CMAKE_CURRENT_SOURCE_DIR}/${name}.cpp"
   )
-  add_executable(${target} EXCLUDE_FROM_ALL ${ARGN} ${sources})
+  add_executable(${target} ${ARGN} ${sources})
 
   isolate_headers(
     ${target}
@@ -22,20 +22,4 @@ function(xrpl_add_test name)
     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.lock

@@ -9,7 +9,7 @@
         "rocksdb/10.0.1#85537f46e538974d67da0c3977de48ac%1756234304.347",
         "re2/20230301#dfd6e2bf050eb90ddd8729cfb4c844a4%1756234257.976",
         "protobuf/3.21.12#d927114e28de9f4691a6bbcdd9a529d1%1756234251.614",
-        "openssl/3.5.2#0c5a5e15ae569f45dff57adcf1770cf7%1756234259.61",
+        "openssl/1.1.1w#a8f0792d7c5121b954578a7149d23e03%1756223730.729",
         "nudb/2.0.9#c62cfd501e57055a7e0d8ee3d5e5427d%1756234237.107",
         "lz4/1.10.0#59fc63cac7f10fbe8e05c7e62c2f3504%1756234228.999",
         "libiconv/1.17#1e65319e945f2d31941a9d28cc13c058%1756223727.64",
@@ -21,7 +21,7 @@
         "date/3.0.4#f74bbba5a08fa388256688743136cb6f%1756234217.493",
         "c-ares/1.34.5#b78b91e7cfb1f11ce777a285bbf169c6%1756234217.915",
         "bzip2/1.0.8#00b4a4658791c1f06914e087f0e792f5%1756234261.716",
-        "boost/1.88.0#8852c0b72ce8271fb8ff7c53456d4983%1756223752.326",
+        "boost/1.83.0#5d975011d65b51abb2d2f6eb8386b368%1754325043.336",
         "abseil/20230802.1#f0f91485b111dc9837a68972cb19ca7b%1756234220.907"
     ],
     "build_requires": [
@@ -46,11 +46,11 @@
             "lz4/1.10.0"
         ],
         "boost/1.83.0": [
-            "boost/1.88.0"
+            "boost/1.83.0"
         ],
         "sqlite3/3.44.2": [
             "sqlite3/3.49.1"
         ]
     },
     "config_requires": []
-}
+}

conan/global.conf

@@ -1,9 +1,5 @@
 # Global configuration for Conan. This is used to set the number of parallel
-# downloads, uploads, and build jobs. The verbosity is set to verbose to
-# provide more information during the build process.
+# downloads and uploads.
 core:non_interactive=True
 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

conan/profiles/default

@@ -21,14 +21,14 @@ compiler.libcxx={{detect_api.detect_libcxx(compiler, version, compiler_exe)}}
 
 [conf]
 {% if compiler == "clang" and compiler_version >= 19 %}
-tools.build:cxxflags=['-Wno-missing-template-arg-list-after-template-kw']
+grpc/1.50.1:tools.build:cxxflags+=['-Wno-missing-template-arg-list-after-template-kw']
 {% endif %}
 {% if compiler == "apple-clang" and compiler_version >= 17 %}
-tools.build:cxxflags=['-Wno-missing-template-arg-list-after-template-kw']
+grpc/1.50.1:tools.build:cxxflags+=['-Wno-missing-template-arg-list-after-template-kw']
+{% endif %}
+{% if compiler == "clang" and compiler_version == 16 %}
+tools.build:cxxflags=['-DBOOST_ASIO_DISABLE_CONCEPTS']
 {% endif %}
 {% if compiler == "gcc" and compiler_version < 13 %}
-tools.build:cxxflags=['-Wno-restrict']
+tools.build:cxxflags+=['-Wno-restrict']
 {% endif %}
-
-[tool_requires]
-!cmake/*: cmake/[>=3 <4]

conanfile.py

@@ -27,7 +27,7 @@ class Xrpl(ConanFile):
         'grpc/1.50.1',
         'libarchive/3.8.1',
         'nudb/2.0.9',
-        'openssl/3.5.2',
+        'openssl/1.1.1w',
         'soci/4.0.3',
         'zlib/1.3.1',
     ]
@@ -100,13 +100,11 @@ class Xrpl(ConanFile):
     def configure(self):
         if self.settings.compiler == 'apple-clang':
             self.options['boost'].visibility = 'global'
-        if self.settings.compiler in ['clang', 'gcc']:
-            self.options['boost'].without_cobalt = True
 
     def requirements(self):
         # Conan 2 requires transitive headers to be specified
         transitive_headers_opt = {'transitive_headers': True} if conan_version.split('.')[0] == '2' else {}
-        self.requires('boost/1.88.0', force=True, **transitive_headers_opt)
+        self.requires('boost/1.83.0', force=True, **transitive_headers_opt)
         self.requires('date/3.0.4', **transitive_headers_opt)
         self.requires('lz4/1.10.0', force=True)
         self.requires('protobuf/3.21.12', force=True)
@@ -177,7 +175,6 @@ class Xrpl(ConanFile):
             'boost::filesystem',
             'boost::json',
             'boost::program_options',
-            'boost::process',
             'boost::regex',
             'boost::system',
             'boost::thread',

external/secp256k1/include/secp256k1.h

@@ -541,7 +541,7 @@ SECP256K1_API int secp256k1_ecdsa_signature_serialize_compact(
 /** Verify an ECDSA signature.
  *
  *  Returns: 1: correct signature
- *           0: incorrect or unparseable signature
+ *           0: incorrect or unparsable signature
  *  Args:    ctx:       pointer to a context object
  *  In:      sig:       the signature being verified.
  *           msghash32: the 32-byte message hash being verified.

include/xrpl/basics/IntrusivePointer.ipp

@@ -654,12 +654,14 @@ SharedWeakUnion<T>::convertToWeak()
             break;
         case destroy:
             // We just added a weak ref. How could we destroy?
+            // LCOV_EXCL_START
             UNREACHABLE(
                 "ripple::SharedWeakUnion::convertToWeak : destroying freshly "
                 "added ref");
             delete p;
             unsafeSetRawPtr(nullptr);
             return true;  // Should never happen
+            // LCOV_EXCL_STOP
         case partialDestroy:
             // This is a weird case. We just converted the last strong
             // pointer to a weak pointer.

include/xrpl/basics/ResolverAsio.h

@@ -23,7 +23,7 @@
 #include <xrpl/basics/Resolver.h>
 #include <xrpl/beast/utility/Journal.h>
 
-#include <boost/asio/io_context.hpp>
+#include <boost/asio/io_service.hpp>
 
 namespace ripple {
 
@@ -33,7 +33,7 @@ public:
     explicit ResolverAsio() = default;
 
     static std::unique_ptr<ResolverAsio>
-    New(boost::asio::io_context&, beast::Journal);
+    New(boost::asio::io_service&, beast::Journal);
 };
 
 }  // namespace ripple

include/xrpl/basics/SlabAllocator.h

@@ -176,7 +176,7 @@ public:
         @param count the number of items the slab allocator can allocate; note
                      that a count of 0 is valid and means that the allocator
                      is, effectively, disabled. This can be very useful in some
-                     contexts (e.g. when mimimal memory usage is needed) and
+                     contexts (e.g. when minimal memory usage is needed) and
                      allows for graceful failure.
      */
     constexpr explicit SlabAllocator(

include/xrpl/basics/base_uint.h

@@ -565,7 +565,7 @@ operator<=>(base_uint<Bits, Tag> const& lhs, base_uint<Bits, Tag> const& rhs)
     // This comparison might seem wrong on a casual inspection because it
     // compares data internally stored as std::uint32_t byte-by-byte. But
     // note that the underlying data is stored in big endian, even if the
-    // plaform is little endian. This makes the comparison correct.
+    // platform is little endian. This makes the comparison correct.
     //
     // FIXME: use std::lexicographical_compare_three_way once support is
     //        added to MacOS.
@@ -632,6 +632,16 @@ to_string(base_uint<Bits, Tag> const& a)
     return strHex(a.cbegin(), a.cend());
 }
 
+template <std::size_t Bits, class Tag>
+inline std::string
+to_short_string(base_uint<Bits, Tag> const& a)
+{
+    static_assert(
+        base_uint<Bits, Tag>::bytes > 4,
+        "For 4 bytes or less, use a native type");
+    return strHex(a.cbegin(), a.cbegin() + 4) + "...";
+}
+
 template <std::size_t Bits, class Tag>
 inline std::ostream&
 operator<<(std::ostream& out, base_uint<Bits, Tag> const& u)

include/xrpl/basics/comparators.h

@@ -28,7 +28,7 @@ namespace ripple {
 
 /*
  * MSVC 2019 version 16.9.0 added [[nodiscard]] to the std comparison
- * operator() functions. boost::bimap checks that the comparitor is a
+ * operator() functions. boost::bimap checks that the comparator is a
  * BinaryFunction, in part by calling the function and ignoring the value.
  * These two things don't play well together. These wrapper classes simply
  * strip [[nodiscard]] from operator() for use in boost::bimap.

include/xrpl/basics/safe_cast.h

@@ -28,9 +28,8 @@ namespace ripple {
 // the destination can hold all values of the source.  This is particularly
 // handy when the source or destination is an enumeration type.
 
-template <class Dest, class Src>
-static constexpr bool is_safetocasttovalue_v =
-    (std::is_integral_v<Src> && std::is_integral_v<Dest>) &&
+template <class Src, class Dest>
+concept SafeToCast = (std::is_integral_v<Src> && std::is_integral_v<Dest>) &&
     (std::is_signed<Src>::value || std::is_unsigned<Dest>::value) &&
     (std::is_signed<Src>::value != std::is_signed<Dest>::value
          ? sizeof(Dest) > sizeof(Src)
@@ -78,7 +77,7 @@ inline constexpr std::
     unsafe_cast(Src s) noexcept
 {
     static_assert(
-        !is_safetocasttovalue_v<Dest, Src>,
+        !SafeToCast<Src, Dest>,
         "Only unsafe if casting signed to unsigned or "
         "destination is too small");
     return static_cast<Dest>(s);

include/xrpl/beast/asio/io_latency_probe.h

@@ -23,8 +23,7 @@
 #include <xrpl/beast/utility/instrumentation.h>
 
 #include <boost/asio/basic_waitable_timer.hpp>
-#include <boost/asio/io_context.hpp>
-#include <boost/asio/post.hpp>
+#include <boost/asio/io_service.hpp>
 
 #include <chrono>
 #include <condition_variable>
@@ -33,7 +32,7 @@
 
 namespace beast {
 
-/** Measures handler latency on an io_context queue. */
+/** Measures handler latency on an io_service queue. */
 template <class Clock>
 class io_latency_probe
 {
@@ -45,12 +44,12 @@ private:
     std::condition_variable_any m_cond;
     std::size_t m_count;
     duration const m_period;
-    boost::asio::io_context& m_ios;
+    boost::asio::io_service& m_ios;
     boost::asio::basic_waitable_timer<std::chrono::steady_clock> m_timer;
     bool m_cancel;
 
 public:
-    io_latency_probe(duration const& period, boost::asio::io_context& ios)
+    io_latency_probe(duration const& period, boost::asio::io_service& ios)
         : m_count(1)
         , m_period(period)
         , m_ios(ios)
@@ -65,16 +64,16 @@ public:
         cancel(lock, true);
     }
 
-    /** Return the io_context associated with the latency probe. */
+    /** Return the io_service associated with the latency probe. */
     /** @{ */
-    boost::asio::io_context&
-    get_io_context()
+    boost::asio::io_service&
+    get_io_service()
     {
         return m_ios;
     }
 
-    boost::asio::io_context const&
-    get_io_context() const
+    boost::asio::io_service const&
+    get_io_service() const
     {
         return m_ios;
     }
@@ -110,10 +109,8 @@ public:
         std::lock_guard lock(m_mutex);
         if (m_cancel)
             throw std::logic_error("io_latency_probe is canceled");
-        boost::asio::post(
-            m_ios,
-            sample_op<Handler>(
-                std::forward<Handler>(handler), Clock::now(), false, this));
+        m_ios.post(sample_op<Handler>(
+            std::forward<Handler>(handler), Clock::now(), false, this));
     }
 
     /** Initiate continuous i/o latency sampling.
@@ -127,10 +124,8 @@ public:
         std::lock_guard lock(m_mutex);
         if (m_cancel)
             throw std::logic_error("io_latency_probe is canceled");
-        boost::asio::post(
-            m_ios,
-            sample_op<Handler>(
-                std::forward<Handler>(handler), Clock::now(), true, this));
+        m_ios.post(sample_op<Handler>(
+            std::forward<Handler>(handler), Clock::now(), true, this));
     }
 
 private:
@@ -241,13 +236,12 @@ private:
                     // The latency is too high to maintain the desired
                     // period so don't bother with a timer.
                     //
-                    boost::asio::post(
-                        m_probe->m_ios,
+                    m_probe->m_ios.post(
                         sample_op<Handler>(m_handler, now, m_repeat, m_probe));
                 }
                 else
                 {
-                    m_probe->m_timer.expires_after(when - now);
+                    m_probe->m_timer.expires_from_now(when - now);
                     m_probe->m_timer.async_wait(
                         sample_op<Handler>(m_handler, now, m_repeat, m_probe));
                 }
@@ -260,8 +254,7 @@ private:
             if (!m_probe)
                 return;
             typename Clock::time_point const now(Clock::now());
-            boost::asio::post(
-                m_probe->m_ios,
+            m_probe->m_ios.post(
                 sample_op<Handler>(m_handler, now, m_repeat, m_probe));
         }
     };

include/xrpl/beast/net/IPAddress.h

@@ -94,7 +94,11 @@ hash_append(Hasher& h, beast::IP::Address const& addr) noexcept
     else if (addr.is_v6())
         hash_append(h, addr.to_v6().to_bytes());
     else
+    {
+        // LCOV_EXCL_START
         UNREACHABLE("beast::hash_append : invalid address type");
+        // LCOV_EXCL_STOP
+    }
 }
 }  // namespace beast
 

include/xrpl/beast/test/yield_to.h

@@ -8,11 +8,9 @@
 #ifndef BEAST_TEST_YIELD_TO_HPP
 #define BEAST_TEST_YIELD_TO_HPP
 
-#include <boost/asio/executor_work_guard.hpp>
-#include <boost/asio/io_context.hpp>
+#include <boost/asio/io_service.hpp>
 #include <boost/asio/spawn.hpp>
 #include <boost/optional.hpp>
-#include <boost/thread/csbl/memory/allocator_arg.hpp>
 
 #include <condition_variable>
 #include <mutex>
@@ -31,12 +29,10 @@ namespace test {
 class enable_yield_to
 {
 protected:
-    boost::asio::io_context ios_;
+    boost::asio::io_service ios_;
 
 private:
-    boost::optional<boost::asio::executor_work_guard<
-        boost::asio::io_context::executor_type>>
-        work_;
+    boost::optional<boost::asio::io_service::work> work_;
     std::vector<std::thread> threads_;
     std::mutex m_;
     std::condition_variable cv_;
@@ -46,8 +42,7 @@ public:
     /// The type of yield context passed to functions.
     using yield_context = boost::asio::yield_context;
 
-    explicit enable_yield_to(std::size_t concurrency = 1)
-        : work_(boost::asio::make_work_guard(ios_))
+    explicit enable_yield_to(std::size_t concurrency = 1) : work_(ios_)
     {
         threads_.reserve(concurrency);
         while (concurrency--)
@@ -61,9 +56,9 @@ public:
             t.join();
     }
 
-    /// Return the `io_context` associated with the object
-    boost::asio::io_context&
-    get_io_context()
+    /// Return the `io_service` associated with the object
+    boost::asio::io_service&
+    get_io_service()
     {
         return ios_;
     }
@@ -116,18 +111,13 @@ enable_yield_to::spawn(F0&& f, FN&&... fn)
 {
     boost::asio::spawn(
         ios_,
-        boost::allocator_arg,
-        boost::context::fixedsize_stack(2 * 1024 * 1024),
         [&](yield_context yield) {
             f(yield);
             std::lock_guard lock{m_};
             if (--running_ == 0)
                 cv_.notify_all();
         },
-        [](std::exception_ptr e) {
-            if (e)
-                std::rethrow_exception(e);
-        });
+        boost::coroutines::attributes(2 * 1024 * 1024));
     spawn(fn...);
 }
 

include/xrpl/beast/unit_test/runner.h

@@ -42,7 +42,7 @@ public:
 
         The argument string is available to suites and
         allows for customization of the test. Each suite
-        defines its own syntax for the argumnet string.
+        defines its own syntax for the argument string.
         The same argument is passed to all suites.
     */
     void

include/xrpl/beast/utility/instrumentation.h

@@ -39,11 +39,16 @@ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 #endif
 
 #define XRPL_ASSERT ALWAYS_OR_UNREACHABLE
+#define XRPL_ASSERT_PARTS(cond, function, description, ...) \
+    XRPL_ASSERT(cond, function " : " description)
 
 // How to use the instrumentation macros:
 //
 // * XRPL_ASSERT if cond must be true but the line might not be reached during
 //   fuzzing. Same like `assert` in normal use.
+// * XRPL_ASSERT_PARTS is for convenience, and works like XRPL_ASSERT, but
+//   splits the message param into "function" and "description", then joins
+//   them with " : " before passing to XRPL_ASSERT.
 // * ALWAYS if cond must be true _and_ the line must be reached during fuzzing.
 //   Same like `assert` in normal use.
 // * REACHABLE if the line must be reached during fuzzing

include/xrpl/json/json_reader.h

@@ -217,7 +217,7 @@ Reader::parse(Value& root, BufferSequence const& bs)
     std::string s;
     s.reserve(buffer_size(bs));
     for (auto const& b : bs)
-        s.append(static_cast<char const*>(b.data()), buffer_size(b));
+        s.append(buffer_cast<char const*>(b), buffer_size(b));
     return parse(s, root);
 }
 

include/xrpl/json/json_value.h

@@ -24,6 +24,7 @@
 #include <xrpl/json/json_forwards.h>
 
 #include <cstring>
+#include <limits>
 #include <map>
 #include <string>
 #include <vector>
@@ -158,9 +159,9 @@ public:
     using ArrayIndex = UInt;
 
     static Value const null;
-    static Int const minInt;
-    static Int const maxInt;
-    static UInt const maxUInt;
+    static constexpr Int minInt = std::numeric_limits<Int>::min();
+    static constexpr Int maxInt = std::numeric_limits<Int>::max();
+    static constexpr UInt maxUInt = std::numeric_limits<UInt>::max();
 
 private:
     class CZString
@@ -263,6 +264,10 @@ public:
     bool
     asBool() const;
 
+    /** Correct absolute value from int or unsigned int */
+    UInt
+    asAbsUInt() const;
+
     // TODO: What is the "empty()" method this docstring mentions?
     /** isNull() tests to see if this field is null.  Don't use this method to
         test for emptiness: use empty(). */

include/xrpl/json/json_writer.h

@@ -46,7 +46,7 @@ public:
  * without formatting (not human friendly).
  *
  * The JSON document is written in a single line. It is not intended for 'human'
- * consumption, but may be useful to support feature such as RPC where bandwith
+ * consumption, but may be useful to support feature such as RPC where bandwidth
  * is limited. \sa Reader, Value
  */
 

include/xrpl/ledger/ApplyView.h

@@ -20,11 +20,10 @@
 #ifndef RIPPLE_LEDGER_APPLYVIEW_H_INCLUDED
 #define RIPPLE_LEDGER_APPLYVIEW_H_INCLUDED
 
-#include <xrpld/ledger/RawView.h>
-#include <xrpld/ledger/ReadView.h>
-
 #include <xrpl/basics/safe_cast.h>
 #include <xrpl/beast/utility/instrumentation.h>
+#include <xrpl/ledger/RawView.h>
+#include <xrpl/ledger/ReadView.h>
 
 namespace ripple {
 
@@ -285,12 +284,14 @@ public:
     {
         if (key.type != ltOFFER)
         {
+            // LCOV_EXCL_START
             UNREACHABLE(
                 "ripple::ApplyView::dirAppend : only Offers are appended to "
                 "book directories");
             // Only Offers are appended to book directories. Call dirInsert()
             // instead
             return std::nullopt;
+            // LCOV_EXCL_STOP
         }
         return dirAdd(true, directory, key.key, describe);
     }

include/xrpl/ledger/ApplyViewImpl.h

@@ -20,9 +20,8 @@
 #ifndef RIPPLE_LEDGER_APPLYVIEWIMPL_H_INCLUDED
 #define RIPPLE_LEDGER_APPLYVIEWIMPL_H_INCLUDED
 
-#include <xrpld/ledger/OpenView.h>
-#include <xrpld/ledger/detail/ApplyViewBase.h>
-
+#include <xrpl/ledger/OpenView.h>
+#include <xrpl/ledger/detail/ApplyViewBase.h>
 #include <xrpl/protocol/STAmount.h>
 #include <xrpl/protocol/TER.h>
 

include/xrpl/ledger/BookDirs.h

@@ -20,9 +20,8 @@
 #ifndef RIPPLE_LEDGER_BOOK_DIRS_H_INCLUDED
 #define RIPPLE_LEDGER_BOOK_DIRS_H_INCLUDED
 
-#include <xrpld/ledger/ReadView.h>
-
 #include <xrpl/beast/utility/Journal.h>
+#include <xrpl/ledger/ReadView.h>
 
 namespace ripple {
 

include/xrpl/ledger/CachedView.h

@@ -20,10 +20,9 @@
 #ifndef RIPPLE_LEDGER_CACHEDVIEW_H_INCLUDED
 #define RIPPLE_LEDGER_CACHEDVIEW_H_INCLUDED
 
-#include <xrpld/ledger/CachedSLEs.h>
-#include <xrpld/ledger/ReadView.h>
-
 #include <xrpl/basics/hardened_hash.h>
+#include <xrpl/ledger/CachedSLEs.h>
+#include <xrpl/ledger/ReadView.h>
 
 #include <mutex>
 #include <type_traits>

include/xrpl/ledger/CredentialHelpers.h

@@ -20,12 +20,11 @@
 #ifndef RIPPLE_APP_MISC_CREDENTIALHELPERS_H_INCLUDED
 #define RIPPLE_APP_MISC_CREDENTIALHELPERS_H_INCLUDED
 
-#include <xrpld/ledger/ApplyView.h>
-#include <xrpld/ledger/ReadView.h>
-
 #include <xrpl/basics/Log.h>
 #include <xrpl/basics/base_uint.h>
 #include <xrpl/beast/utility/Journal.h>
+#include <xrpl/ledger/ApplyView.h>
+#include <xrpl/ledger/ReadView.h>
 #include <xrpl/protocol/AccountID.h>
 #include <xrpl/protocol/STArray.h>
 #include <xrpl/protocol/STTx.h>

include/xrpl/ledger/Dir.h

@@ -20,8 +20,7 @@
 #ifndef RIPPLE_LEDGER_DIR_H_INCLUDED
 #define RIPPLE_LEDGER_DIR_H_INCLUDED
 
-#include <xrpld/ledger/ReadView.h>
-
+#include <xrpl/ledger/ReadView.h>
 #include <xrpl/protocol/Indexes.h>
 
 namespace ripple {

include/xrpl/ledger/OpenView.h

@@ -20,10 +20,9 @@
 #ifndef RIPPLE_LEDGER_OPENVIEW_H_INCLUDED
 #define RIPPLE_LEDGER_OPENVIEW_H_INCLUDED
 
-#include <xrpld/ledger/RawView.h>
-#include <xrpld/ledger/ReadView.h>
-#include <xrpld/ledger/detail/RawStateTable.h>
-
+#include <xrpl/ledger/RawView.h>
+#include <xrpl/ledger/ReadView.h>
+#include <xrpl/ledger/detail/RawStateTable.h>
 #include <xrpl/protocol/STArray.h>
 #include <xrpl/protocol/XRPAmount.h>
 

include/xrpl/ledger/PaymentSandbox.h

@@ -20,10 +20,9 @@
 #ifndef RIPPLE_LEDGER_PAYMENTSANDBOX_H_INCLUDED
 #define RIPPLE_LEDGER_PAYMENTSANDBOX_H_INCLUDED
 
-#include <xrpld/ledger/RawView.h>
-#include <xrpld/ledger/Sandbox.h>
-#include <xrpld/ledger/detail/ApplyViewBase.h>
-
+#include <xrpl/ledger/RawView.h>
+#include <xrpl/ledger/Sandbox.h>
+#include <xrpl/ledger/detail/ApplyViewBase.h>
 #include <xrpl/protocol/AccountID.h>
 
 #include <map>

include/xrpl/ledger/RawView.h

@@ -20,8 +20,7 @@
 #ifndef RIPPLE_LEDGER_RAWVIEW_H_INCLUDED
 #define RIPPLE_LEDGER_RAWVIEW_H_INCLUDED
 
-#include <xrpld/ledger/ReadView.h>
-
+#include <xrpl/ledger/ReadView.h>
 #include <xrpl/protocol/STLedgerEntry.h>
 #include <xrpl/protocol/Serializer.h>
 

include/xrpl/ledger/ReadView.h

@@ -20,10 +20,9 @@
 #ifndef RIPPLE_LEDGER_READVIEW_H_INCLUDED
 #define RIPPLE_LEDGER_READVIEW_H_INCLUDED
 
-#include <xrpld/ledger/detail/ReadViewFwdRange.h>
-
 #include <xrpl/basics/chrono.h>
 #include <xrpl/beast/hash/uhash.h>
+#include <xrpl/ledger/detail/ReadViewFwdRange.h>
 #include <xrpl/protocol/Fees.h>
 #include <xrpl/protocol/IOUAmount.h>
 #include <xrpl/protocol/Indexes.h>
@@ -280,6 +279,6 @@ makeRulesGivenLedger(
 
 }  // namespace ripple
 
-#include <xrpld/ledger/detail/ReadViewFwdRange.ipp>
+#include <xrpl/ledger/detail/ReadViewFwdRange.ipp>
 
 #endif

include/xrpl/ledger/Sandbox.h

@@ -20,8 +20,8 @@
 #ifndef RIPPLE_LEDGER_SANDBOX_H_INCLUDED
 #define RIPPLE_LEDGER_SANDBOX_H_INCLUDED
 
-#include <xrpld/ledger/RawView.h>
-#include <xrpld/ledger/detail/ApplyViewBase.h>
+#include <xrpl/ledger/RawView.h>
+#include <xrpl/ledger/detail/ApplyViewBase.h>
 
 namespace ripple {
 

include/xrpl/ledger/View.h

@@ -20,11 +20,10 @@
 #ifndef RIPPLE_LEDGER_VIEW_H_INCLUDED
 #define RIPPLE_LEDGER_VIEW_H_INCLUDED
 
-#include <xrpld/ledger/ApplyView.h>
-#include <xrpld/ledger/OpenView.h>
-#include <xrpld/ledger/ReadView.h>
-
 #include <xrpl/beast/utility/Journal.h>
+#include <xrpl/ledger/ApplyView.h>
+#include <xrpl/ledger/OpenView.h>
+#include <xrpl/ledger/ReadView.h>
 #include <xrpl/protocol/Indexes.h>
 #include <xrpl/protocol/MPTIssue.h>
 #include <xrpl/protocol/Protocol.h>
@@ -562,12 +561,28 @@ createPseudoAccount(
 [[nodiscard]] bool
 isPseudoAccount(std::shared_ptr<SLE const> sleAcct);
 
+// Returns the list of fields that define an ACCOUNT_ROOT as a pseudo-account if
+// set
+// Pseudo-account designator fields MUST be maintained by including the
+// SField::sMD_PseudoAccount flag in the SField definition. (Don't forget to
+// "| SField::sMD_Default"!) The fields do NOT need to be amendment-gated,
+// since a non-active amendment will not set any field, by definition.
+// Specific properties of a pseudo-account are NOT checked here, that's what
+// InvariantCheck is for.
+[[nodiscard]] std::vector<SField const*> const&
+getPseudoAccountFields();
+
 [[nodiscard]] inline bool
 isPseudoAccount(ReadView const& view, AccountID accountId)
 {
     return isPseudoAccount(view.read(keylet::account(accountId)));
 }
 
+[[nodiscard]] TER
+canAddHolding(ReadView const& view, Asset const& asset);
+
+/// Any transactors that call addEmptyHolding() in doApply must call
+/// canAddHolding() in preflight with the same View and Asset
 [[nodiscard]] TER
 addEmptyHolding(
     ApplyView& view,

include/xrpl/ledger/detail/ApplyStateTable.h

@@ -20,11 +20,10 @@
 #ifndef RIPPLE_LEDGER_APPLYSTATETABLE_H_INCLUDED
 #define RIPPLE_LEDGER_APPLYSTATETABLE_H_INCLUDED
 
-#include <xrpld/ledger/OpenView.h>
-#include <xrpld/ledger/RawView.h>
-#include <xrpld/ledger/ReadView.h>
-
 #include <xrpl/beast/utility/Journal.h>
+#include <xrpl/ledger/OpenView.h>
+#include <xrpl/ledger/RawView.h>
+#include <xrpl/ledger/ReadView.h>
 #include <xrpl/protocol/TER.h>
 #include <xrpl/protocol/TxMeta.h>
 #include <xrpl/protocol/XRPAmount.h>

include/xrpl/ledger/detail/ApplyViewBase.h

@@ -20,10 +20,9 @@
 #ifndef RIPPLE_LEDGER_APPLYVIEWBASE_H_INCLUDED
 #define RIPPLE_LEDGER_APPLYVIEWBASE_H_INCLUDED
 
-#include <xrpld/ledger/ApplyView.h>
-#include <xrpld/ledger/ReadView.h>
-#include <xrpld/ledger/detail/ApplyStateTable.h>
-
+#include <xrpl/ledger/ApplyView.h>
+#include <xrpl/ledger/ReadView.h>
+#include <xrpl/ledger/detail/ApplyStateTable.h>
 #include <xrpl/protocol/XRPAmount.h>
 
 namespace ripple {

include/xrpl/ledger/detail/RawStateTable.h

@@ -20,8 +20,8 @@
 #ifndef RIPPLE_LEDGER_RAWSTATETABLE_H_INCLUDED
 #define RIPPLE_LEDGER_RAWSTATETABLE_H_INCLUDED
 
-#include <xrpld/ledger/RawView.h>
-#include <xrpld/ledger/ReadView.h>
+#include <xrpl/ledger/RawView.h>
+#include <xrpl/ledger/ReadView.h>
 
 #include <boost/container/pmr/monotonic_buffer_resource.hpp>
 #include <boost/container/pmr/polymorphic_allocator.hpp>

include/xrpl/net/AutoSocket.h

@@ -47,7 +47,7 @@ public:
 
 public:
     AutoSocket(
-        boost::asio::io_context& s,
+        boost::asio::io_service& s,
         boost::asio::ssl::context& c,
         bool secureOnly,
         bool plainOnly)
@@ -58,7 +58,7 @@ public:
         mSocket = std::make_unique<ssl_socket>(s, c);
     }
 
-    AutoSocket(boost::asio::io_context& s, boost::asio::ssl::context& c)
+    AutoSocket(boost::asio::io_service& s, boost::asio::ssl::context& c)
         : AutoSocket(s, c, false, false)
     {
     }

include/xrpl/net/HTTPClient.h

@@ -23,7 +23,7 @@
 #include <xrpl/basics/ByteUtilities.h>
 #include <xrpl/beast/utility/Journal.h>
 
-#include <boost/asio/io_context.hpp>
+#include <boost/asio/io_service.hpp>
 #include <boost/asio/streambuf.hpp>
 
 #include <chrono>
@@ -51,7 +51,7 @@ public:
 
     static void
     get(bool bSSL,
-        boost::asio::io_context& io_context,
+        boost::asio::io_service& io_service,
         std::deque<std::string> deqSites,
         unsigned short const port,
         std::string const& strPath,
@@ -65,7 +65,7 @@ public:
 
     static void
     get(bool bSSL,
-        boost::asio::io_context& io_context,
+        boost::asio::io_service& io_service,
         std::string strSite,
         unsigned short const port,
         std::string const& strPath,
@@ -80,7 +80,7 @@ public:
     static void
     request(
         bool bSSL,
-        boost::asio::io_context& io_context,
+        boost::asio::io_service& io_service,
         std::string strSite,
         unsigned short const port,
         std::function<

include/xrpl/net/HTTPClientSSLContext.h

@@ -153,7 +153,7 @@ public:
             {
                 strm.set_verify_callback(
                     std::bind(
-                        &rfc6125_verify,
+                        &rfc2818_verify,
                         host,
                         std::placeholders::_1,
                         std::placeholders::_2,
@@ -167,7 +167,7 @@ public:
 
     /**
      * @brief callback invoked for name verification - just passes through
-     * to the asio `host_name_verification` (rfc6125) implementation.
+     * to the asio rfc2818 implementation.
      *
      * @param domain hostname expected
      * @param preverified passed by implementation
@@ -175,13 +175,13 @@ public:
      * @param j journal for logging
      */
     static bool
-    rfc6125_verify(
+    rfc2818_verify(
         std::string const& domain,
         bool preverified,
         boost::asio::ssl::verify_context& ctx,
         beast::Journal j)
     {
-        if (boost::asio::ssl::host_name_verification(domain)(preverified, ctx))
+        if (boost::asio::ssl::rfc2818_verification(domain)(preverified, ctx))
             return true;
 
         JLOG(j.warn()) << "Outbound SSL connection to " << domain

include/xrpl/protocol/FeeUnits.h

@@ -1,565 +0,0 @@
-//------------------------------------------------------------------------------
-/*
-    This file is part of rippled: https://github.com/ripple/rippled
-    Copyright (c) 2019 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 BASICS_FEES_H_INCLUDED
-#define BASICS_FEES_H_INCLUDED
-
-#include <xrpl/basics/safe_cast.h>
-#include <xrpl/beast/utility/Zero.h>
-#include <xrpl/beast/utility/instrumentation.h>
-#include <xrpl/json/json_value.h>
-
-#include <boost/multiprecision/cpp_int.hpp>
-#include <boost/operators.hpp>
-
-#include <iosfwd>
-#include <limits>
-#include <optional>
-
-namespace ripple {
-
-namespace feeunit {
-
-/** "drops" are the smallest divisible amount of XRP. This is what most
-    of the code uses. */
-struct dropTag;
-/** "fee units" calculations are a not-really-unitless value that is used
-    to express the cost of a given transaction vs. a reference transaction.
-    They are primarily used by the Transactor classes. */
-struct feeunitTag;
-/** "fee levels" are used by the transaction queue to compare the relative
-    cost of transactions that require different levels of effort to process.
-    See also: src/ripple/app/misc/FeeEscalation.md#fee-level */
-struct feelevelTag;
-/** unitless values are plain scalars wrapped in a TaggedFee. They are
-    used for calculations in this header. */
-struct unitlessTag;
-
-template <class T>
-using enable_if_unit_t = typename std::enable_if_t<
-    std::is_class_v<T> && std::is_object_v<typename T::unit_type> &&
-    std::is_object_v<typename T::value_type>>;
-
-/** `is_usable_unit_v` is checked to ensure that only values with
-    known valid type tags can be used (sometimes transparently) in
-    non-fee contexts. At the time of implementation, this includes
-    all known tags, but more may be added in the future, and they
-    should not be added automatically unless determined to be
-    appropriate.
-*/
-template <class T, class = enable_if_unit_t<T>>
-constexpr bool is_usable_unit_v =
-    std::is_same_v<typename T::unit_type, feeunitTag> ||
-    std::is_same_v<typename T::unit_type, feelevelTag> ||
-    std::is_same_v<typename T::unit_type, unitlessTag> ||
-    std::is_same_v<typename T::unit_type, dropTag>;
-
-template <class UnitTag, class T>
-class TaggedFee : private boost::totally_ordered<TaggedFee<UnitTag, T>>,
-                  private boost::additive<TaggedFee<UnitTag, T>>,
-                  private boost::equality_comparable<TaggedFee<UnitTag, T>, T>,
-                  private boost::dividable<TaggedFee<UnitTag, T>, T>,
-                  private boost::modable<TaggedFee<UnitTag, T>, T>,
-                  private boost::unit_steppable<TaggedFee<UnitTag, T>>
-{
-public:
-    using unit_type = UnitTag;
-    using value_type = T;
-
-private:
-    value_type fee_;
-
-protected:
-    template <class Other>
-    static constexpr bool is_compatible_v =
-        std::is_arithmetic_v<Other> && std::is_arithmetic_v<value_type> &&
-        std::is_convertible_v<Other, value_type>;
-
-    template <class OtherFee, class = enable_if_unit_t<OtherFee>>
-    static constexpr bool is_compatiblefee_v =
-        is_compatible_v<typename OtherFee::value_type> &&
-        std::is_same_v<UnitTag, typename OtherFee::unit_type>;
-
-    template <class Other>
-    using enable_if_compatible_t =
-        typename std::enable_if_t<is_compatible_v<Other>>;
-
-    template <class OtherFee>
-    using enable_if_compatiblefee_t =
-        typename std::enable_if_t<is_compatiblefee_v<OtherFee>>;
-
-public:
-    TaggedFee() = default;
-    constexpr TaggedFee(TaggedFee const& other) = default;
-    constexpr TaggedFee&
-    operator=(TaggedFee const& other) = default;
-
-    constexpr explicit TaggedFee(beast::Zero) : fee_(0)
-    {
-    }
-
-    constexpr TaggedFee&
-    operator=(beast::Zero)
-    {
-        fee_ = 0;
-        return *this;
-    }
-
-    constexpr explicit TaggedFee(value_type fee) : fee_(fee)
-    {
-    }
-
-    TaggedFee&
-    operator=(value_type fee)
-    {
-        fee_ = fee;
-        return *this;
-    }
-
-    /** Instances with the same unit, and a type that is
-        "safe" to convert to this one can be converted
-        implicitly */
-    template <
-        class Other,
-        class = std::enable_if_t<
-            is_compatible_v<Other> &&
-            is_safetocasttovalue_v<value_type, Other>>>
-    constexpr TaggedFee(TaggedFee<unit_type, Other> const& fee)
-        : TaggedFee(safe_cast<value_type>(fee.fee()))
-    {
-    }
-
-    constexpr TaggedFee
-    operator*(value_type const& rhs) const
-    {
-        return TaggedFee{fee_ * rhs};
-    }
-
-    friend constexpr TaggedFee
-    operator*(value_type lhs, TaggedFee const& rhs)
-    {
-        // multiplication is commutative
-        return rhs * lhs;
-    }
-
-    constexpr value_type
-    operator/(TaggedFee const& rhs) const
-    {
-        return fee_ / rhs.fee_;
-    }
-
-    TaggedFee&
-    operator+=(TaggedFee const& other)
-    {
-        fee_ += other.fee();
-        return *this;
-    }
-
-    TaggedFee&
-    operator-=(TaggedFee const& other)
-    {
-        fee_ -= other.fee();
-        return *this;
-    }
-
-    TaggedFee&
-    operator++()
-    {
-        ++fee_;
-        return *this;
-    }
-
-    TaggedFee&
-    operator--()
-    {
-        --fee_;
-        return *this;
-    }
-
-    TaggedFee&
-    operator*=(value_type const& rhs)
-    {
-        fee_ *= rhs;
-        return *this;
-    }
-
-    TaggedFee&
-    operator/=(value_type const& rhs)
-    {
-        fee_ /= rhs;
-        return *this;
-    }
-
-    template <class transparent = value_type>
-    std::enable_if_t<std::is_integral_v<transparent>, TaggedFee&>
-    operator%=(value_type const& rhs)
-    {
-        fee_ %= rhs;
-        return *this;
-    }
-
-    TaggedFee
-    operator-() const
-    {
-        static_assert(
-            std::is_signed_v<T>, "- operator illegal on unsigned fee types");
-        return TaggedFee{-fee_};
-    }
-
-    bool
-    operator==(TaggedFee const& other) const
-    {
-        return fee_ == other.fee_;
-    }
-
-    template <class Other, class = enable_if_compatible_t<Other>>
-    bool
-    operator==(TaggedFee<unit_type, Other> const& other) const
-    {
-        return fee_ == other.fee();
-    }
-
-    bool
-    operator==(value_type other) const
-    {
-        return fee_ == other;
-    }
-
-    template <class Other, class = enable_if_compatible_t<Other>>
-    bool
-    operator!=(TaggedFee<unit_type, Other> const& other) const
-    {
-        return !operator==(other);
-    }
-
-    bool
-    operator<(TaggedFee const& other) const
-    {
-        return fee_ < other.fee_;
-    }
-
-    /** Returns true if the amount is not zero */
-    explicit constexpr
-    operator bool() const noexcept
-    {
-        return fee_ != 0;
-    }
-
-    /** Return the sign of the amount */
-    constexpr int
-    signum() const noexcept
-    {
-        return (fee_ < 0) ? -1 : (fee_ ? 1 : 0);
-    }
-
-    /** Returns the number of drops */
-    constexpr value_type
-    fee() const
-    {
-        return fee_;
-    }
-
-    template <class Other>
-    constexpr double
-    decimalFromReference(TaggedFee<unit_type, Other> reference) const
-    {
-        return static_cast<double>(fee_) / reference.fee();
-    }
-
-    // `is_usable_unit_v` is checked to ensure that only values with
-    // known valid type tags can be converted to JSON. At the time
-    // of implementation, that includes all known tags, but more may
-    // be added in the future.
-    std::enable_if_t<is_usable_unit_v<TaggedFee>, Json::Value>
-    jsonClipped() const
-    {
-        if constexpr (std::is_integral_v<value_type>)
-        {
-            using jsontype = std::conditional_t<
-                std::is_signed_v<value_type>,
-                Json::Int,
-                Json::UInt>;
-
-            constexpr auto min = std::numeric_limits<jsontype>::min();
-            constexpr auto max = std::numeric_limits<jsontype>::max();
-
-            if (fee_ < min)
-                return min;
-            if (fee_ > max)
-                return max;
-            return static_cast<jsontype>(fee_);
-        }
-        else
-        {
-            return fee_;
-        }
-    }
-
-    /** Returns the underlying value. Code SHOULD NOT call this
-        function unless the type has been abstracted away,
-        e.g. in a templated function.
-    */
-    constexpr value_type
-    value() const
-    {
-        return fee_;
-    }
-
-    friend std::istream&
-    operator>>(std::istream& s, TaggedFee& val)
-    {
-        s >> val.fee_;
-        return s;
-    }
-};
-
-// 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, TaggedFee<UnitTag, T> const& q)
-{
-    return os << q.value();
-}
-
-template <class UnitTag, class T>
-std::string
-to_string(TaggedFee<UnitTag, T> const& amount)
-{
-    return std::to_string(amount.fee());
-}
-
-template <class Source, class = enable_if_unit_t<Source>>
-constexpr bool can_muldiv_source_v =
-    std::is_convertible_v<typename Source::value_type, std::uint64_t>;
-
-template <class Dest, class = enable_if_unit_t<Dest>>
-constexpr bool can_muldiv_dest_v =
-    can_muldiv_source_v<Dest> &&  // Dest is also a source
-    std::is_convertible_v<std::uint64_t, typename Dest::value_type> &&
-    sizeof(typename Dest::value_type) >= sizeof(std::uint64_t);
-
-template <
-    class Source1,
-    class Source2,
-    class = enable_if_unit_t<Source1>,
-    class = enable_if_unit_t<Source2>>
-constexpr bool can_muldiv_sources_v =
-    can_muldiv_source_v<Source1> && can_muldiv_source_v<Source2> &&
-    std::is_same_v<typename Source1::unit_type, typename Source2::unit_type>;
-
-template <
-    class Source1,
-    class Source2,
-    class Dest,
-    class = enable_if_unit_t<Source1>,
-    class = enable_if_unit_t<Source2>,
-    class = enable_if_unit_t<Dest>>
-constexpr bool can_muldiv_v =
-    can_muldiv_sources_v<Source1, Source2> && can_muldiv_dest_v<Dest>;
-// Source and Dest can be the same by default
-
-template <
-    class Source1,
-    class Source2,
-    class Dest,
-    class = enable_if_unit_t<Source1>,
-    class = enable_if_unit_t<Source2>,
-    class = enable_if_unit_t<Dest>>
-constexpr bool can_muldiv_commute_v = can_muldiv_v<Source1, Source2, Dest> &&
-    !std::is_same_v<typename Source1::unit_type, typename Dest::unit_type>;
-
-template <class T>
-using enable_muldiv_source_t =
-    typename std::enable_if_t<can_muldiv_source_v<T>>;
-
-template <class T>
-using enable_muldiv_dest_t = typename std::enable_if_t<can_muldiv_dest_v<T>>;
-
-template <class Source1, class Source2>
-using enable_muldiv_sources_t =
-    typename std::enable_if_t<can_muldiv_sources_v<Source1, Source2>>;
-
-template <class Source1, class Source2, class Dest>
-using enable_muldiv_t =
-    typename std::enable_if_t<can_muldiv_v<Source1, Source2, Dest>>;
-
-template <class Source1, class Source2, class Dest>
-using enable_muldiv_commute_t =
-    typename std::enable_if_t<can_muldiv_commute_v<Source1, Source2, Dest>>;
-
-template <class T>
-TaggedFee<unitlessTag, T>
-scalar(T value)
-{
-    return TaggedFee<unitlessTag, T>{value};
-}
-
-template <
-    class Source1,
-    class Source2,
-    class Dest,
-    class = enable_muldiv_t<Source1, Source2, Dest>>
-std::optional<Dest>
-mulDivU(Source1 value, Dest mul, Source2 div)
-{
-    // Fees can never be negative in any context.
-    if (value.value() < 0 || mul.value() < 0 || div.value() < 0)
-    {
-        // split the asserts so if one hits, the user can tell which
-        // without a debugger.
-        XRPL_ASSERT(
-            value.value() >= 0,
-            "ripple::feeunit::mulDivU : minimum value input");
-        XRPL_ASSERT(
-            mul.value() >= 0, "ripple::feeunit::mulDivU : minimum mul input");
-        XRPL_ASSERT(
-            div.value() >= 0, "ripple::feeunit::mulDivU : minimum div input");
-        return std::nullopt;
-    }
-
-    using desttype = typename Dest::value_type;
-    constexpr auto max = std::numeric_limits<desttype>::max();
-
-    // Shortcuts, since these happen a lot in the real world
-    if (value == div)
-        return mul;
-    if (mul.value() == div.value())
-    {
-        if (value.value() > max)
-            return std::nullopt;
-        return Dest{static_cast<desttype>(value.value())};
-    }
-
-    using namespace boost::multiprecision;
-
-    uint128_t product;
-    product = multiply(
-        product,
-        static_cast<std::uint64_t>(value.value()),
-        static_cast<std::uint64_t>(mul.value()));
-
-    auto quotient = product / div.value();
-
-    if (quotient > max)
-        return std::nullopt;
-
-    return Dest{static_cast<desttype>(quotient)};
-}
-
-}  // namespace feeunit
-
-template <class T>
-using FeeLevel = feeunit::TaggedFee<feeunit::feelevelTag, T>;
-using FeeLevel64 = FeeLevel<std::uint64_t>;
-using FeeLevelDouble = FeeLevel<double>;
-
-template <
-    class Source1,
-    class Source2,
-    class Dest,
-    class = feeunit::enable_muldiv_t<Source1, Source2, Dest>>
-std::optional<Dest>
-mulDiv(Source1 value, Dest mul, Source2 div)
-{
-    return feeunit::mulDivU(value, mul, div);
-}
-
-template <
-    class Source1,
-    class Source2,
-    class Dest,
-    class = feeunit::enable_muldiv_commute_t<Source1, Source2, Dest>>
-std::optional<Dest>
-mulDiv(Dest value, Source1 mul, Source2 div)
-{
-    // Multiplication is commutative
-    return feeunit::mulDivU(mul, value, div);
-}
-
-template <class Dest, class = feeunit::enable_muldiv_dest_t<Dest>>
-std::optional<Dest>
-mulDiv(std::uint64_t value, Dest mul, std::uint64_t div)
-{
-    // Give the scalars a non-tag so the
-    // unit-handling version gets called.
-    return feeunit::mulDivU(feeunit::scalar(value), mul, feeunit::scalar(div));
-}
-
-template <class Dest, class = feeunit::enable_muldiv_dest_t<Dest>>
-std::optional<Dest>
-mulDiv(Dest value, std::uint64_t mul, std::uint64_t div)
-{
-    // Multiplication is commutative
-    return mulDiv(mul, value, div);
-}
-
-template <
-    class Source1,
-    class Source2,
-    class = feeunit::enable_muldiv_sources_t<Source1, Source2>>
-std::optional<std::uint64_t>
-mulDiv(Source1 value, std::uint64_t mul, Source2 div)
-{
-    // Give the scalars a dimensionless unit so the
-    // unit-handling version gets called.
-    auto unitresult = feeunit::mulDivU(value, feeunit::scalar(mul), div);
-
-    if (!unitresult)
-        return std::nullopt;
-
-    return unitresult->value();
-}
-
-template <
-    class Source1,
-    class Source2,
-    class = feeunit::enable_muldiv_sources_t<Source1, Source2>>
-std::optional<std::uint64_t>
-mulDiv(std::uint64_t value, Source1 mul, Source2 div)
-{
-    // Multiplication is commutative
-    return mulDiv(mul, value, div);
-}
-
-template <class Dest, class Src>
-constexpr std::enable_if_t<
-    std::is_same_v<typename Dest::unit_type, typename Src::unit_type> &&
-        std::is_integral_v<typename Dest::value_type> &&
-        std::is_integral_v<typename Src::value_type>,
-    Dest>
-safe_cast(Src s) noexcept
-{
-    // Dest may not have an explicit value constructor
-    return Dest{safe_cast<typename Dest::value_type>(s.value())};
-}
-
-template <class Dest, class Src>
-constexpr std::enable_if_t<
-    std::is_same_v<typename Dest::unit_type, typename Src::unit_type> &&
-        std::is_integral_v<typename Dest::value_type> &&
-        std::is_integral_v<typename Src::value_type>,
-    Dest>
-unsafe_cast(Src s) noexcept
-{
-    // Dest may not have an explicit value constructor
-    return Dest{unsafe_cast<typename Dest::value_type>(s.value())};
-}
-
-}  // namespace ripple
-
-#endif  // BASICS_FEES_H_INCLUDED

include/xrpl/protocol/Indexes.h

@@ -287,9 +287,11 @@ delegate(AccountID const& account, AccountID const& authorizedAccount) noexcept;
 Keylet
 bridge(STXChainBridge const& bridge, STXChainBridge::ChainType chainType);
 
+// `seq` is stored as `sfXChainClaimID` in the object
 Keylet
 xChainClaimID(STXChainBridge const& bridge, std::uint64_t seq);
 
+// `seq` is stored as `sfXChainAccountCreateCount` in the object
 Keylet
 xChainCreateAccountClaimID(STXChainBridge const& bridge, std::uint64_t seq);
 

include/xrpl/protocol/LedgerFormats.h

@@ -56,7 +56,7 @@ enum LedgerEntryType : std::uint16_t
 #pragma push_macro("LEDGER_ENTRY")
 #undef LEDGER_ENTRY
 
-#define LEDGER_ENTRY(tag, value, name, rpcName, fields) tag = value,
+#define LEDGER_ENTRY(tag, value, ...) tag = value,
 
 #include <xrpl/protocol/detail/ledger_entries.macro>
 
@@ -188,14 +188,14 @@ enum LedgerSpecificFlags {
     lsfMPTCanTransfer = 0x00000020,
     lsfMPTCanClawback = 0x00000040,
 
-    lsfMPTCanMutateCanLock = 0x00000002,
-    lsfMPTCanMutateRequireAuth = 0x00000004,
-    lsfMPTCanMutateCanEscrow = 0x00000008,
-    lsfMPTCanMutateCanTrade = 0x00000010,
-    lsfMPTCanMutateCanTransfer = 0x00000020,
-    lsfMPTCanMutateCanClawback = 0x00000040,
-    lsfMPTCanMutateMetadata = 0x00010000,
-    lsfMPTCanMutateTransferFee = 0x00020000,
+    lsmfMPTCanMutateCanLock = 0x00000002,
+    lsmfMPTCanMutateRequireAuth = 0x00000004,
+    lsmfMPTCanMutateCanEscrow = 0x00000008,
+    lsmfMPTCanMutateCanTrade = 0x00000010,
+    lsmfMPTCanMutateCanTransfer = 0x00000020,
+    lsmfMPTCanMutateCanClawback = 0x00000040,
+    lsmfMPTCanMutateMetadata = 0x00010000,
+    lsmfMPTCanMutateTransferFee = 0x00020000,
 
     // ltMPTOKEN
     lsfMPTAuthorized = 0x00000002,

include/xrpl/protocol/Permissions.h

@@ -74,6 +74,9 @@ public:
     Permission&
     operator=(Permission const&) = delete;
 
+    std::optional<std::string>
+    getPermissionName(std::uint32_t const value) const;
+
     std::optional<std::uint32_t>
     getGranularValue(std::string const& name) const;
 
@@ -83,6 +86,9 @@ public:
     std::optional<TxType>
     getGranularTxType(GranularPermissionType const& gpType) const;
 
+    std::optional<std::reference_wrapper<uint256 const>> const
+    getTxFeature(TxType txType) const;
+
     bool
     isDelegatable(std::uint32_t const& permissionValue, Rules const& rules)
         const;

include/xrpl/protocol/Protocol.h

@@ -22,7 +22,6 @@
 
 #include <xrpl/basics/ByteUtilities.h>
 #include <xrpl/basics/base_uint.h>
-#include <xrpl/basics/partitioned_unordered_map.h>
 
 #include <cstdint>
 
@@ -56,7 +55,10 @@ std::size_t constexpr oversizeMetaDataCap = 5200;
 /** The maximum number of entries per directory page */
 std::size_t constexpr dirNodeMaxEntries = 32;
 
-/** The maximum number of pages allowed in a directory */
+/** The maximum number of pages allowed in a directory
+
+    Made obsolete by fixDirectoryLimit amendment.
+*/
 std::uint64_t constexpr dirNodeMaxPages = 262144;
 
 /** The maximum number of items in an NFT page */

include/xrpl/protocol/SField.h

@@ -22,6 +22,7 @@
 
 #include <xrpl/basics/safe_cast.h>
 #include <xrpl/json/json_value.h>
+#include <xrpl/protocol/Units.h>
 
 #include <cstdint>
 #include <map>
@@ -71,8 +72,10 @@ class STCurrency;
     STYPE(STI_VL, 7)                              \
     STYPE(STI_ACCOUNT, 8)                         \
     STYPE(STI_NUMBER, 9)                          \
+    STYPE(STI_INT32, 10)                          \
+    STYPE(STI_INT64, 11)                          \
                                                   \
-    /* 10-13 are reserved */                      \
+    /* 12-13 are reserved */                      \
     STYPE(STI_OBJECT, 14)                         \
     STYPE(STI_ARRAY, 15)                          \
                                                   \
@@ -148,8 +151,10 @@ public:
         sMD_ChangeNew = 0x02,    // new value when it changes
         sMD_DeleteFinal = 0x04,  // final value when it is deleted
         sMD_Create = 0x08,       // value when it's created
-        sMD_Always = 0x10,  // value when node containing it is affected at all
-        sMD_BaseTen = 0x20,
+        sMD_Always = 0x10,   // value when node containing it is affected at all
+        sMD_BaseTen = 0x20,  // value is treated as base 10, overriding behavior
+        sMD_PseudoAccount = 0x40,  // if this field is set in an ACCOUNT_ROOT
+        // _only_, then it is a pseudo-account
         sMD_Default =
             sMD_ChangeOrig | sMD_ChangeNew | sMD_DeleteFinal | sMD_Create
     };
@@ -184,7 +189,7 @@ public:
         char const* fn,
         int meta = sMD_Default,
         IsSigning signing = IsSigning::yes);
-    explicit SField(private_access_tag_t, int fc);
+    explicit SField(private_access_tag_t, int fc, char const* fn);
 
     static SField const&
     getField(int fieldCode);
@@ -297,7 +302,7 @@ public:
     static int
     compare(SField const& f1, SField const& f2);
 
-    static std::map<int, SField const*> const&
+    static std::unordered_map<int, SField const*> const&
     getKnownCodeToField()
     {
         return knownCodeToField;
@@ -305,7 +310,8 @@ public:
 
 private:
     static int num;
-    static std::map<int, SField const*> knownCodeToField;
+    static std::unordered_map<int, SField const*> knownCodeToField;
+    static std::unordered_map<std::string, SField const*> knownNameToField;
 };
 
 /** A field with a type known at compile time. */
@@ -352,6 +358,9 @@ using SF_UINT256 = TypedField<STBitString<256>>;
 using SF_UINT384 = TypedField<STBitString<384>>;
 using SF_UINT512 = TypedField<STBitString<512>>;
 
+using SF_INT32 = TypedField<STInteger<std::int32_t>>;
+using SF_INT64 = TypedField<STInteger<std::int64_t>>;
+
 using SF_ACCOUNT = TypedField<STAccount>;
 using SF_AMOUNT = TypedField<STAmount>;
 using SF_ISSUE = TypedField<STIssue>;

include/xrpl/protocol/STInteger.h

@@ -81,6 +81,8 @@ using STUInt16 = STInteger<std::uint16_t>;
 using STUInt32 = STInteger<std::uint32_t>;
 using STUInt64 = STInteger<std::uint64_t>;
 
+using STInt32 = STInteger<std::int32_t>;
+
 template <typename Integer>
 inline STInteger<Integer>::STInteger(Integer v) : value_(v)
 {

include/xrpl/protocol/STLedgerEntry.h

@@ -26,7 +26,9 @@
 namespace ripple {
 
 class Rules;
+namespace test {
 class Invariants_test;
+}
 
 class STLedgerEntry final : public STObject, public CountedObject<STLedgerEntry>
 {
@@ -36,6 +38,8 @@ class STLedgerEntry final : public STObject, public CountedObject<STLedgerEntry>
 public:
     using pointer = std::shared_ptr<STLedgerEntry>;
     using ref = std::shared_ptr<STLedgerEntry> const&;
+    using const_pointer = std::shared_ptr<STLedgerEntry const>;
+    using const_ref = std::shared_ptr<STLedgerEntry const> const&;
 
     /** Create an empty object with the given key and type. */
     explicit STLedgerEntry(Keylet const& k);
@@ -54,7 +58,7 @@ public:
     getText() const override;
 
     Json::Value
-    getJson(JsonOptions options) const override;
+    getJson(JsonOptions options = JsonOptions::none) const override;
 
     /** Returns the 'key' (or 'index') of this item.
         The key identifies this entry's position in
@@ -84,7 +88,8 @@ private:
     void
     setSLEType();
 
-    friend Invariants_test;  // this test wants access to the private type_
+    friend test::Invariants_test;  // this test wants access to the private
+                                   // type_
 
     STBase*
     copy(std::size_t n, void* buf) const override;

include/xrpl/protocol/STObject.h

@@ -25,7 +25,6 @@
 #include <xrpl/basics/chrono.h>
 #include <xrpl/basics/contract.h>
 #include <xrpl/beast/utility/instrumentation.h>
-#include <xrpl/protocol/FeeUnits.h>
 #include <xrpl/protocol/HashPrefix.h>
 #include <xrpl/protocol/SOTemplate.h>
 #include <xrpl/protocol/STAmount.h>
@@ -34,6 +33,7 @@
 #include <xrpl/protocol/STIssue.h>
 #include <xrpl/protocol/STPathSet.h>
 #include <xrpl/protocol/STVector256.h>
+#include <xrpl/protocol/Units.h>
 #include <xrpl/protocol/detail/STVar.h>
 
 #include <boost/iterator/transform_iterator.hpp>
@@ -231,6 +231,8 @@ public:
     getFieldH192(SField const& field) const;
     uint256
     getFieldH256(SField const& field) const;
+    std::int32_t
+    getFieldI32(SField const& field) const;
     AccountID
     getAccountID(SField const& field) const;
 
@@ -242,6 +244,9 @@ public:
     getFieldPathSet(SField const& field) const;
     STVector256 const&
     getFieldV256(SField const& field) const;
+    // If not found, returns an object constructed with the given field
+    STObject
+    getFieldObject(SField const& field) const;
     STArray const&
     getFieldArray(SField const& field) const;
     STCurrency const&
@@ -365,6 +370,8 @@ public:
     void
     setFieldH256(SField const& field, uint256 const&);
     void
+    setFieldI32(SField const& field, std::int32_t);
+    void
     setFieldVL(SField const& field, Blob const&);
     void
     setFieldVL(SField const& field, Slice const&);
@@ -386,6 +393,8 @@ public:
     setFieldV256(SField const& field, STVector256 const& v);
     void
     setFieldArray(SField const& field, STArray const& v);
+    void
+    setFieldObject(SField const& field, STObject const& v);
 
     template <class Tag>
     void

include/xrpl/protocol/STParsedJSON.h

@@ -54,34 +54,6 @@ public:
     Json::Value error;
 };
 
-/** Holds the serialized result of parsing an input JSON array.
-    This does validation and checking on the provided JSON.
-*/
-class STParsedJSONArray
-{
-public:
-    /** Parses and creates an STParsedJSON array.
-        The result of the parsing is stored in array and error.
-        Exceptions:
-            Does not throw.
-        @param name The name of the JSON field, used in diagnostics.
-        @param json The JSON-RPC to parse.
-    */
-    STParsedJSONArray(std::string const& name, Json::Value const& json);
-
-    STParsedJSONArray() = delete;
-    STParsedJSONArray(STParsedJSONArray const&) = delete;
-    STParsedJSONArray&
-    operator=(STParsedJSONArray const&) = delete;
-    ~STParsedJSONArray() = default;
-
-    /** The STArray if the parse was successful. */
-    std::optional<STArray> array;
-
-    /** On failure, an appropriate set of error values. */
-    Json::Value error;
-};
-
 }  // namespace ripple
 
 #endif

include/xrpl/protocol/STTx.h

@@ -87,8 +87,14 @@ public:
     getFullText() const override;
 
     // Outer transaction functions / signature functions.
+    static Blob
+    getSignature(STObject const& sigObject);
+
     Blob
-    getSignature() const;
+    getSignature() const
+    {
+        return getSignature(*this);
+    }
 
     uint256
     getSigningHash() const;
@@ -119,13 +125,20 @@ public:
     getJson(JsonOptions options, bool binary) const;
 
     void
-    sign(PublicKey const& publicKey, SecretKey const& secretKey);
+    sign(
+        PublicKey const& publicKey,
+        SecretKey const& secretKey,
+        std::optional<std::reference_wrapper<SField const>> signatureTarget =
+            {});
 
-    /** Check the signature.
-        @return `true` if valid signature. If invalid, the error message string.
-    */
     enum class RequireFullyCanonicalSig : bool { no, yes };
 
+    /** Check the signature.
+        @param requireCanonicalSig If `true`, check that the signature is fully
+            canonical. If `false`, only check that the signature is valid.
+        @param rules The current ledger rules.
+        @return `true` if valid signature. If invalid, the error message string.
+    */
     Expected<void, std::string>
     checkSign(RequireFullyCanonicalSig requireCanonicalSig, Rules const& rules)
         const;
@@ -150,17 +163,34 @@ public:
         char status,
         std::string const& escapedMetaData) const;
 
-    std::vector<uint256>
+    std::vector<uint256> const&
     getBatchTransactionIDs() const;
 
 private:
+    /** Check the signature.
+        @param requireCanonicalSig If `true`, check that the signature is fully
+            canonical. If `false`, only check that the signature is valid.
+        @param rules The current ledger rules.
+        @param sigObject Reference to object that contains the signature fields.
+            Will be *this more often than not.
+        @return `true` if valid signature. If invalid, the error message string.
+    */
     Expected<void, std::string>
-    checkSingleSign(RequireFullyCanonicalSig requireCanonicalSig) const;
+    checkSign(
+        RequireFullyCanonicalSig requireCanonicalSig,
+        Rules const& rules,
+        STObject const& sigObject) const;
+
+    Expected<void, std::string>
+    checkSingleSign(
+        RequireFullyCanonicalSig requireCanonicalSig,
+        STObject const& sigObject) const;
 
     Expected<void, std::string>
     checkMultiSign(
         RequireFullyCanonicalSig requireCanonicalSig,
-        Rules const& rules) const;
+        Rules const& rules,
+        STObject const& sigObject) const;
 
     Expected<void, std::string>
     checkBatchSingleSign(
@@ -179,7 +209,7 @@ private:
     move(std::size_t n, void* buf) override;
 
     friend class detail::STVar;
-    mutable std::vector<uint256> batch_txn_ids_;
+    mutable std::vector<uint256> batchTxnIds_;
 };
 
 bool

include/xrpl/protocol/STValidation.h

@@ -22,10 +22,10 @@
 
 #include <xrpl/basics/Log.h>
 #include <xrpl/beast/utility/instrumentation.h>
-#include <xrpl/protocol/FeeUnits.h>
 #include <xrpl/protocol/PublicKey.h>
 #include <xrpl/protocol/STObject.h>
 #include <xrpl/protocol/SecretKey.h>
+#include <xrpl/protocol/Units.h>
 
 #include <cstdint>
 #include <optional>

include/xrpl/protocol/TER.h

@@ -673,7 +673,8 @@ isTerRetry(TER x) noexcept
 inline bool
 isTesSuccess(TER x) noexcept
 {
-    return (x == tesSUCCESS);
+    // Makes use of TERSubset::operator bool()
+    return !(x);
 }
 
 inline bool

include/xrpl/protocol/TxFlags.h

@@ -127,6 +127,8 @@ constexpr std::uint32_t tfTrustSetPermissionMask = ~(tfUniversal | tfSetfAuth |
 // EnableAmendment flags:
 constexpr std::uint32_t tfGotMajority                      = 0x00010000;
 constexpr std::uint32_t tfLostMajority                     = 0x00020000;
+constexpr std::uint32_t tfChangeMask =
+    ~( tfUniversal | tfGotMajority | tfLostMajority);
 
 // PaymentChannelClaim flags:
 constexpr std::uint32_t tfRenew                            = 0x00010000;
@@ -141,7 +143,8 @@ constexpr std::uint32_t const tfTransferable               = 0x00000008;
 constexpr std::uint32_t const tfMutable                    = 0x00000010;
 
 // MPTokenIssuanceCreate flags:
-// NOTE - there is intentionally no flag here for lsfMPTLocked, which this transaction cannot mutate.
+// Note: tf/lsfMPTLocked is intentionally omitted, since this transaction
+// is not allowed to modify it.
 constexpr std::uint32_t const tfMPTCanLock                 = lsfMPTCanLock;
 constexpr std::uint32_t const tfMPTRequireAuth             = lsfMPTRequireAuth;
 constexpr std::uint32_t const tfMPTCanEscrow               = lsfMPTCanEscrow;
@@ -153,17 +156,17 @@ constexpr std::uint32_t const tfMPTokenIssuanceCreateMask  =
 
 // MPTokenIssuanceCreate MutableFlags:
 // Indicating specific fields or flags may be changed after issuance.
-constexpr std::uint32_t const tfMPTCanMutateCanLock = lsfMPTCanMutateCanLock;
-constexpr std::uint32_t const tfMPTCanMutateRequireAuth = lsfMPTCanMutateRequireAuth;
-constexpr std::uint32_t const tfMPTCanMutateCanEscrow = lsfMPTCanMutateCanEscrow;
-constexpr std::uint32_t const tfMPTCanMutateCanTrade = lsfMPTCanMutateCanTrade;
-constexpr std::uint32_t const tfMPTCanMutateCanTransfer = lsfMPTCanMutateCanTransfer;
-constexpr std::uint32_t const tfMPTCanMutateCanClawback = lsfMPTCanMutateCanClawback;
-constexpr std::uint32_t const tfMPTCanMutateMetadata = lsfMPTCanMutateMetadata;
-constexpr std::uint32_t const tfMPTCanMutateTransferFee = lsfMPTCanMutateTransferFee;
-constexpr std::uint32_t const tfMPTokenIssuanceCreateMutableMask =
-  ~(tfMPTCanMutateCanLock | tfMPTCanMutateRequireAuth | tfMPTCanMutateCanEscrow | tfMPTCanMutateCanTrade
-    | tfMPTCanMutateCanTransfer | tfMPTCanMutateCanClawback | tfMPTCanMutateMetadata | tfMPTCanMutateTransferFee);
+constexpr std::uint32_t const tmfMPTCanMutateCanLock = lsmfMPTCanMutateCanLock;
+constexpr std::uint32_t const tmfMPTCanMutateRequireAuth = lsmfMPTCanMutateRequireAuth;
+constexpr std::uint32_t const tmfMPTCanMutateCanEscrow = lsmfMPTCanMutateCanEscrow;
+constexpr std::uint32_t const tmfMPTCanMutateCanTrade = lsmfMPTCanMutateCanTrade;
+constexpr std::uint32_t const tmfMPTCanMutateCanTransfer = lsmfMPTCanMutateCanTransfer;
+constexpr std::uint32_t const tmfMPTCanMutateCanClawback = lsmfMPTCanMutateCanClawback;
+constexpr std::uint32_t const tmfMPTCanMutateMetadata = lsmfMPTCanMutateMetadata;
+constexpr std::uint32_t const tmfMPTCanMutateTransferFee = lsmfMPTCanMutateTransferFee;
+constexpr std::uint32_t const tmfMPTokenIssuanceCreateMutableMask =
+  ~(tmfMPTCanMutateCanLock | tmfMPTCanMutateRequireAuth | tmfMPTCanMutateCanEscrow | tmfMPTCanMutateCanTrade
+    | tmfMPTCanMutateCanTransfer | tmfMPTCanMutateCanClawback | tmfMPTCanMutateMetadata | tmfMPTCanMutateTransferFee);
 
 // MPTokenAuthorize flags:
 constexpr std::uint32_t const tfMPTUnauthorize             = 0x00000001;
@@ -177,22 +180,22 @@ constexpr std::uint32_t const tfMPTokenIssuanceSetPermissionMask = ~(tfUniversal
 
 // MPTokenIssuanceSet MutableFlags:
 // Set or Clear flags.
-constexpr std::uint32_t const tfMPTSetCanLock             = 0x00000001;
-constexpr std::uint32_t const tfMPTClearCanLock           = 0x00000002;
-constexpr std::uint32_t const tfMPTSetRequireAuth         = 0x00000004;
-constexpr std::uint32_t const tfMPTClearRequireAuth       = 0x00000008;
-constexpr std::uint32_t const tfMPTSetCanEscrow           = 0x00000010;
-constexpr std::uint32_t const tfMPTClearCanEscrow         = 0x00000020;
-constexpr std::uint32_t const tfMPTSetCanTrade            = 0x00000040;
-constexpr std::uint32_t const tfMPTClearCanTrade          = 0x00000080;
-constexpr std::uint32_t const tfMPTSetCanTransfer         = 0x00000100;
-constexpr std::uint32_t const tfMPTClearCanTransfer       = 0x00000200;
-constexpr std::uint32_t const tfMPTSetCanClawback         = 0x00000400;
-constexpr std::uint32_t const tfMPTClearCanClawback       = 0x00000800;
-constexpr std::uint32_t const tfMPTokenIssuanceSetMutableMask = ~(tfMPTSetCanLock | tfMPTClearCanLock |
-    tfMPTSetRequireAuth | tfMPTClearRequireAuth | tfMPTSetCanEscrow | tfMPTClearCanEscrow |
-    tfMPTSetCanTrade | tfMPTClearCanTrade | tfMPTSetCanTransfer | tfMPTClearCanTransfer |
-    tfMPTSetCanClawback | tfMPTClearCanClawback);
+constexpr std::uint32_t const tmfMPTSetCanLock             = 0x00000001;
+constexpr std::uint32_t const tmfMPTClearCanLock           = 0x00000002;
+constexpr std::uint32_t const tmfMPTSetRequireAuth         = 0x00000004;
+constexpr std::uint32_t const tmfMPTClearRequireAuth       = 0x00000008;
+constexpr std::uint32_t const tmfMPTSetCanEscrow           = 0x00000010;
+constexpr std::uint32_t const tmfMPTClearCanEscrow         = 0x00000020;
+constexpr std::uint32_t const tmfMPTSetCanTrade            = 0x00000040;
+constexpr std::uint32_t const tmfMPTClearCanTrade          = 0x00000080;
+constexpr std::uint32_t const tmfMPTSetCanTransfer         = 0x00000100;
+constexpr std::uint32_t const tmfMPTClearCanTransfer       = 0x00000200;
+constexpr std::uint32_t const tmfMPTSetCanClawback         = 0x00000400;
+constexpr std::uint32_t const tmfMPTClearCanClawback       = 0x00000800;
+constexpr std::uint32_t const tmfMPTokenIssuanceSetMutableMask = ~(tmfMPTSetCanLock | tmfMPTClearCanLock |
+    tmfMPTSetRequireAuth | tmfMPTClearRequireAuth | tmfMPTSetCanEscrow | tmfMPTClearCanEscrow |
+    tmfMPTSetCanTrade | tmfMPTClearCanTrade | tmfMPTSetCanTransfer | tmfMPTClearCanTransfer |
+    tmfMPTSetCanClawback | tmfMPTClearCanClawback);
 
 // MPTokenIssuanceDestroy flags:
 constexpr std::uint32_t const tfMPTokenIssuanceDestroyMask  = ~tfUniversal;

include/xrpl/protocol/Units.h

@@ -0,0 +1,555 @@
+//------------------------------------------------------------------------------
+/*
+    This file is part of rippled: https://github.com/ripple/rippled
+    Copyright (c) 2019 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 PROTOCOL_UNITS_H_INCLUDED
+#define PROTOCOL_UNITS_H_INCLUDED
+
+#include <xrpl/basics/safe_cast.h>
+#include <xrpl/beast/utility/Zero.h>
+#include <xrpl/beast/utility/instrumentation.h>
+#include <xrpl/json/json_value.h>
+
+#include <boost/multiprecision/cpp_int.hpp>
+#include <boost/operators.hpp>
+
+#include <iosfwd>
+#include <limits>
+#include <optional>
+
+namespace ripple {
+
+namespace unit {
+
+/** "drops" are the smallest divisible amount of XRP. This is what most
+    of the code uses. */
+struct dropTag;
+/** "fee levels" are used by the transaction queue to compare the relative
+    cost of transactions that require different levels of effort to process.
+    See also: src/ripple/app/misc/FeeEscalation.md#fee-level */
+struct feelevelTag;
+/** unitless values are plain scalars wrapped in a ValueUnit. They are
+    used for calculations in this header. */
+struct unitlessTag;
+
+/** Units to represent basis points (bips) and 1/10 basis points */
+class BipsTag;
+class TenthBipsTag;
+
+// These names don't have to be too descriptive, because we're in the "unit"
+// namespace.
+
+template <class T>
+concept Valid = std::is_class_v<T> && std::is_object_v<typename T::unit_type> &&
+    std::is_object_v<typename T::value_type>;
+
+/** `Usable` is checked to ensure that only values with
+    known valid type tags can be used (sometimes transparently) in
+    non-unit contexts. At the time of implementation, this includes
+    all known tags, but more may be added in the future, and they
+    should not be added automatically unless determined to be
+    appropriate.
+*/
+template <class T>
+concept Usable = Valid<T> &&
+    (std::is_same_v<typename T::unit_type, feelevelTag> ||
+     std::is_same_v<typename T::unit_type, unitlessTag> ||
+     std::is_same_v<typename T::unit_type, dropTag> ||
+     std::is_same_v<typename T::unit_type, BipsTag> ||
+     std::is_same_v<typename T::unit_type, TenthBipsTag>);
+
+template <class Other, class VU>
+concept Compatible = Valid<VU> && std::is_arithmetic_v<Other> &&
+    std::is_arithmetic_v<typename VU::value_type> &&
+    std::is_convertible_v<Other, typename VU::value_type>;
+
+template <class T>
+concept Integral = std::is_integral_v<T>;
+
+template <class VU>
+concept IntegralValue = Integral<typename VU::value_type>;
+
+template <class VU1, class VU2>
+concept CastableValue = IntegralValue<VU1> && IntegralValue<VU2> &&
+    std::is_same_v<typename VU1::unit_type, typename VU2::unit_type>;
+
+template <class UnitTag, class T>
+class ValueUnit : private boost::totally_ordered<ValueUnit<UnitTag, T>>,
+                  private boost::additive<ValueUnit<UnitTag, T>>,
+                  private boost::equality_comparable<ValueUnit<UnitTag, T>, T>,
+                  private boost::dividable<ValueUnit<UnitTag, T>, T>,
+                  private boost::modable<ValueUnit<UnitTag, T>, T>,
+                  private boost::unit_steppable<ValueUnit<UnitTag, T>>
+{
+public:
+    using unit_type = UnitTag;
+    using value_type = T;
+
+private:
+    value_type value_;
+
+public:
+    ValueUnit() = default;
+    constexpr ValueUnit(ValueUnit const& other) = default;
+    constexpr ValueUnit&
+    operator=(ValueUnit const& other) = default;
+
+    constexpr explicit ValueUnit(beast::Zero) : value_(0)
+    {
+    }
+
+    constexpr ValueUnit&
+    operator=(beast::Zero)
+    {
+        value_ = 0;
+        return *this;
+    }
+
+    constexpr explicit ValueUnit(value_type value) : value_(value)
+    {
+    }
+
+    constexpr ValueUnit&
+    operator=(value_type value)
+    {
+        value_ = value;
+        return *this;
+    }
+
+    /** Instances with the same unit, and a type that is
+        "safe" to convert to this one can be converted
+        implicitly */
+    template <Compatible<ValueUnit> Other>
+    constexpr ValueUnit(ValueUnit<unit_type, Other> const& value)
+        requires SafeToCast<Other, value_type>
+        : ValueUnit(safe_cast<value_type>(value.value()))
+    {
+    }
+
+    constexpr ValueUnit
+    operator+(value_type const& rhs) const
+    {
+        return ValueUnit{value_ + rhs};
+    }
+
+    friend constexpr ValueUnit
+    operator+(value_type lhs, ValueUnit const& rhs)
+    {
+        // addition is commutative
+        return rhs + lhs;
+    }
+
+    constexpr ValueUnit
+    operator-(value_type const& rhs) const
+    {
+        return ValueUnit{value_ - rhs};
+    }
+
+    friend constexpr ValueUnit
+    operator-(value_type lhs, ValueUnit const& rhs)
+    {
+        // subtraction is NOT commutative, but (lhs + (-rhs)) is addition, which
+        // is
+        return -rhs + lhs;
+    }
+
+    constexpr ValueUnit
+    operator*(value_type const& rhs) const
+    {
+        return ValueUnit{value_ * rhs};
+    }
+
+    friend constexpr ValueUnit
+    operator*(value_type lhs, ValueUnit const& rhs)
+    {
+        // multiplication is commutative
+        return rhs * lhs;
+    }
+
+    constexpr value_type
+    operator/(ValueUnit const& rhs) const
+    {
+        return value_ / rhs.value_;
+    }
+
+    ValueUnit&
+    operator+=(ValueUnit const& other)
+    {
+        value_ += other.value();
+        return *this;
+    }
+
+    ValueUnit&
+    operator-=(ValueUnit const& other)
+    {
+        value_ -= other.value();
+        return *this;
+    }
+
+    ValueUnit&
+    operator++()
+    {
+        ++value_;
+        return *this;
+    }
+
+    ValueUnit&
+    operator--()
+    {
+        --value_;
+        return *this;
+    }
+
+    ValueUnit&
+    operator*=(value_type const& rhs)
+    {
+        value_ *= rhs;
+        return *this;
+    }
+
+    ValueUnit&
+    operator/=(value_type const& rhs)
+    {
+        value_ /= rhs;
+        return *this;
+    }
+
+    template <Integral transparent = value_type>
+    ValueUnit&
+    operator%=(value_type const& rhs)
+    {
+        value_ %= rhs;
+        return *this;
+    }
+
+    ValueUnit
+    operator-() const
+    {
+        static_assert(
+            std::is_signed_v<T>, "- operator illegal on unsigned value types");
+        return ValueUnit{-value_};
+    }
+
+    constexpr bool
+    operator==(ValueUnit const& other) const
+    {
+        return value_ == other.value_;
+    }
+
+    template <Compatible<ValueUnit> Other>
+    constexpr bool
+    operator==(ValueUnit<unit_type, Other> const& other) const
+    {
+        return value_ == other.value();
+    }
+
+    constexpr bool
+    operator==(value_type other) const
+    {
+        return value_ == other;
+    }
+
+    template <Compatible<ValueUnit> Other>
+    constexpr bool
+    operator!=(ValueUnit<unit_type, Other> const& other) const
+    {
+        return !operator==(other);
+    }
+
+    constexpr bool
+    operator<(ValueUnit const& other) const
+    {
+        return value_ < other.value_;
+    }
+
+    /** Returns true if the amount is not zero */
+    explicit constexpr
+    operator bool() const noexcept
+    {
+        return value_ != 0;
+    }
+
+    /** Return the sign of the amount */
+    constexpr int
+    signum() const noexcept
+    {
+        return (value_ < 0) ? -1 : (value_ ? 1 : 0);
+    }
+
+    /** Returns the number of drops */
+    // TODO: Move this to a new class, maybe with the old "TaggedFee" name
+    constexpr value_type
+    fee() const
+    {
+        return value_;
+    }
+
+    template <class Other>
+    constexpr double
+    decimalFromReference(ValueUnit<unit_type, Other> reference) const
+    {
+        return static_cast<double>(value_) / reference.value();
+    }
+
+    // `Usable` is checked to ensure that only values with
+    // known valid type tags can be converted to JSON. At the time
+    // of implementation, that includes all known tags, but more may
+    // be added in the future.
+    Json::Value
+    jsonClipped() const
+        requires Usable<ValueUnit>
+    {
+        if constexpr (std::is_integral_v<value_type>)
+        {
+            using jsontype = std::conditional_t<
+                std::is_signed_v<value_type>,
+                Json::Int,
+                Json::UInt>;
+
+            constexpr auto min = std::numeric_limits<jsontype>::min();
+            constexpr auto max = std::numeric_limits<jsontype>::max();
+
+            if (value_ < min)
+                return min;
+            if (value_ > max)
+                return max;
+            return static_cast<jsontype>(value_);
+        }
+        else
+        {
+            return value_;
+        }
+    }
+
+    /** Returns the underlying value. Code SHOULD NOT call this
+        function unless the type has been abstracted away,
+        e.g. in a templated function.
+    */
+    constexpr value_type
+    value() const
+    {
+        return value_;
+    }
+
+    friend std::istream&
+    operator>>(std::istream& s, ValueUnit& val)
+    {
+        s >> val.value_;
+        return s;
+    }
+};
+
+// Output Values 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, ValueUnit<UnitTag, T> const& q)
+{
+    return os << q.value();
+}
+
+template <class UnitTag, class T>
+std::string
+to_string(ValueUnit<UnitTag, T> const& amount)
+{
+    return std::to_string(amount.value());
+}
+
+template <class Source>
+concept muldivSource = Valid<Source> &&
+    std::is_convertible_v<typename Source::value_type, std::uint64_t>;
+
+template <class Dest>
+concept muldivDest = muldivSource<Dest> &&  // Dest is also a source
+    std::is_convertible_v<std::uint64_t, typename Dest::value_type> &&
+    sizeof(typename Dest::value_type) >= sizeof(std::uint64_t);
+
+template <class Source2, class Source1>
+concept muldivSources = muldivSource<Source1> && muldivSource<Source2> &&
+    std::is_same_v<typename Source1::unit_type, typename Source2::unit_type>;
+
+template <class Dest, class Source1, class Source2>
+concept muldivable = muldivSources<Source1, Source2> && muldivDest<Dest>;
+// Source and Dest can be the same by default
+
+template <class Dest, class Source1, class Source2>
+concept muldivCommutable = muldivable<Dest, Source1, Source2> &&
+    !std::is_same_v<typename Source1::unit_type, typename Dest::unit_type>;
+
+template <class T>
+ValueUnit<unitlessTag, T>
+scalar(T value)
+{
+    return ValueUnit<unitlessTag, T>{value};
+}
+
+template <class Source1, class Source2, unit::muldivable<Source1, Source2> Dest>
+std::optional<Dest>
+mulDivU(Source1 value, Dest mul, Source2 div)
+{
+    // values can never be negative in any context.
+    if (value.value() < 0 || mul.value() < 0 || div.value() < 0)
+    {
+        // split the asserts so if one hits, the user can tell which
+        // without a debugger.
+        XRPL_ASSERT(
+            value.value() >= 0, "ripple::unit::mulDivU : minimum value input");
+        XRPL_ASSERT(
+            mul.value() >= 0, "ripple::unit::mulDivU : minimum mul input");
+        XRPL_ASSERT(
+            div.value() > 0, "ripple::unit::mulDivU : minimum div input");
+        return std::nullopt;
+    }
+
+    using desttype = typename Dest::value_type;
+    constexpr auto max = std::numeric_limits<desttype>::max();
+
+    // Shortcuts, since these happen a lot in the real world
+    if (value == div)
+        return mul;
+    if (mul.value() == div.value())
+    {
+        if (value.value() > max)
+            return std::nullopt;
+        return Dest{static_cast<desttype>(value.value())};
+    }
+
+    using namespace boost::multiprecision;
+
+    uint128_t product;
+    product = multiply(
+        product,
+        static_cast<std::uint64_t>(value.value()),
+        static_cast<std::uint64_t>(mul.value()));
+
+    auto quotient = product / div.value();
+
+    if (quotient > max)
+        return std::nullopt;
+
+    return Dest{static_cast<desttype>(quotient)};
+}
+
+}  // namespace unit
+
+// Fee Levels
+template <class T>
+using FeeLevel = unit::ValueUnit<unit::feelevelTag, T>;
+using FeeLevel64 = FeeLevel<std::uint64_t>;
+using FeeLevelDouble = FeeLevel<double>;
+
+// Basis points (Bips)
+template <class T>
+using Bips = unit::ValueUnit<unit::BipsTag, T>;
+using Bips16 = Bips<std::uint16_t>;
+using Bips32 = Bips<std::uint32_t>;
+template <class T>
+using TenthBips = unit::ValueUnit<unit::TenthBipsTag, T>;
+using TenthBips16 = TenthBips<std::uint16_t>;
+using TenthBips32 = TenthBips<std::uint32_t>;
+
+template <class Source1, class Source2, unit::muldivable<Source1, Source2> Dest>
+std::optional<Dest>
+mulDiv(Source1 value, Dest mul, Source2 div)
+{
+    return unit::mulDivU(value, mul, div);
+}
+
+template <
+    class Source1,
+    class Source2,
+    unit::muldivCommutable<Source1, Source2> Dest>
+std::optional<Dest>
+mulDiv(Dest value, Source1 mul, Source2 div)
+{
+    // Multiplication is commutative
+    return unit::mulDivU(mul, value, div);
+}
+
+template <unit::muldivDest Dest>
+std::optional<Dest>
+mulDiv(std::uint64_t value, Dest mul, std::uint64_t div)
+{
+    // Give the scalars a non-tag so the
+    // unit-handling version gets called.
+    return unit::mulDivU(unit::scalar(value), mul, unit::scalar(div));
+}
+
+template <unit::muldivDest Dest>
+std::optional<Dest>
+mulDiv(Dest value, std::uint64_t mul, std::uint64_t div)
+{
+    // Multiplication is commutative
+    return mulDiv(mul, value, div);
+}
+
+template <unit::muldivSource Source1, unit::muldivSources<Source1> Source2>
+std::optional<std::uint64_t>
+mulDiv(Source1 value, std::uint64_t mul, Source2 div)
+{
+    // Give the scalars a dimensionless unit so the
+    // unit-handling version gets called.
+    auto unitresult = unit::mulDivU(value, unit::scalar(mul), div);
+
+    if (!unitresult)
+        return std::nullopt;
+
+    return unitresult->value();
+}
+
+template <unit::muldivSource Source1, unit::muldivSources<Source1> Source2>
+std::optional<std::uint64_t>
+mulDiv(std::uint64_t value, Source1 mul, Source2 div)
+{
+    // Multiplication is commutative
+    return mulDiv(mul, value, div);
+}
+
+template <unit::IntegralValue Dest, unit::CastableValue<Dest> Src>
+constexpr Dest
+safe_cast(Src s) noexcept
+{
+    // Dest may not have an explicit value constructor
+    return Dest{safe_cast<typename Dest::value_type>(s.value())};
+}
+
+template <unit::IntegralValue Dest, unit::Integral Src>
+constexpr Dest
+safe_cast(Src s) noexcept
+{
+    // Dest may not have an explicit value constructor
+    return Dest{safe_cast<typename Dest::value_type>(s)};
+}
+
+template <unit::IntegralValue Dest, unit::CastableValue<Dest> Src>
+constexpr Dest
+unsafe_cast(Src s) noexcept
+{
+    // Dest may not have an explicit value constructor
+    return Dest{unsafe_cast<typename Dest::value_type>(s.value())};
+}
+
+template <unit::IntegralValue Dest, unit::Integral Src>
+constexpr Dest
+unsafe_cast(Src s) noexcept
+{
+    // Dest may not have an explicit value constructor
+    return Dest{unsafe_cast<typename Dest::value_type>(s)};
+}
+
+}  // namespace ripple
+
+#endif  // PROTOCOL_UNITS_H_INCLUDED

include/xrpl/protocol/XRPAmount.h

@@ -24,7 +24,7 @@
 #include <xrpl/basics/contract.h>
 #include <xrpl/beast/utility/Zero.h>
 #include <xrpl/json/json_value.h>
-#include <xrpl/protocol/FeeUnits.h>
+#include <xrpl/protocol/Units.h>
 
 #include <boost/multiprecision/cpp_int.hpp>
 #include <boost/operators.hpp>
@@ -42,7 +42,7 @@ class XRPAmount : private boost::totally_ordered<XRPAmount>,
                   private boost::additive<XRPAmount, std::int64_t>
 {
 public:
-    using unit_type = feeunit::dropTag;
+    using unit_type = unit::dropTag;
     using value_type = std::int64_t;
 
 private:

include/xrpl/protocol/detail/b58_utils.h

@@ -129,10 +129,12 @@ inplace_bigint_div_rem(std::span<uint64_t> numerator, std::uint64_t divisor)
     {
         // should never happen, but if it does then it seems natural to define
         // the a null set of numbers to be zero, so the remainder is also zero.
+        // LCOV_EXCL_START
         UNREACHABLE(
             "ripple::b58_fast::detail::inplace_bigint_div_rem : empty "
             "numerator");
         return 0;
+        // LCOV_EXCL_STOP
     }
 
     auto to_u128 = [](std::uint64_t high,

include/xrpl/protocol/detail/features.macro

@@ -29,14 +29,14 @@
 
 // Add new amendments to the top of this list.
 // Keep it sorted in reverse chronological order.
-// If you add an amendment here, then do not forget to increment `numFeatures`
-// in include/xrpl/protocol/Feature.h.
 
+XRPL_FIX    (DirectoryLimit,             Supported::yes, VoteBehavior::DefaultNo)
+XRPL_FIX    (IncludeKeyletFields,        Supported::yes, VoteBehavior::DefaultNo)
 XRPL_FEATURE(DynamicMPT,                 Supported::no,  VoteBehavior::DefaultNo)
 XRPL_FIX    (TokenEscrowV1,              Supported::yes, VoteBehavior::DefaultNo)
 XRPL_FIX    (DelegateV1_1,               Supported::no,  VoteBehavior::DefaultNo)
-XRPL_FIX    (PriceOracleOrder,           Supported::no,  VoteBehavior::DefaultNo)
-XRPL_FIX    (MPTDeliveredAmount,         Supported::no,  VoteBehavior::DefaultNo)
+XRPL_FIX    (PriceOracleOrder,           Supported::yes, VoteBehavior::DefaultNo)
+XRPL_FIX    (MPTDeliveredAmount,         Supported::yes, VoteBehavior::DefaultNo)
 XRPL_FIX    (AMMClawbackRounding,        Supported::yes, VoteBehavior::DefaultNo)
 XRPL_FEATURE(TokenEscrow,                Supported::yes, VoteBehavior::DefaultNo)
 XRPL_FIX    (EnforceNFTokenTrustlineV2,  Supported::yes, VoteBehavior::DefaultNo)
@@ -44,7 +44,7 @@ XRPL_FIX    (AMMv1_3,                    Supported::yes, VoteBehavior::DefaultNo
 XRPL_FEATURE(PermissionedDEX,            Supported::yes, VoteBehavior::DefaultNo)
 XRPL_FEATURE(Batch,                      Supported::yes, VoteBehavior::DefaultNo)
 XRPL_FEATURE(SingleAssetVault,           Supported::no,  VoteBehavior::DefaultNo)
-XRPL_FEATURE(PermissionDelegation,       Supported::yes, VoteBehavior::DefaultNo)
+XRPL_FEATURE(PermissionDelegation,       Supported::no,  VoteBehavior::DefaultNo)
 XRPL_FIX    (PayChanCancelAfter,         Supported::yes, VoteBehavior::DefaultNo)
 // Check flags in Credential transactions
 XRPL_FIX    (InvalidTxFlags,             Supported::yes, VoteBehavior::DefaultNo)

include/xrpl/protocol/detail/ledger_entries.macro

@@ -120,6 +120,7 @@ LEDGER_ENTRY(ltNFTOKEN_PAGE, 0x0050, NFTokenPage, nft_page, ({
 // All fields are soeREQUIRED because there is always a SignerEntries.
 // If there are no SignerEntries the node is deleted.
 LEDGER_ENTRY(ltSIGNER_LIST, 0x0053, SignerList, signer_list, ({
+    {sfOwner,                soeOPTIONAL},
     {sfOwnerNode,            soeREQUIRED},
     {sfSignerQuorum,         soeREQUIRED},
     {sfSignerEntries,        soeREQUIRED},
@@ -188,7 +189,7 @@ LEDGER_ENTRY(ltDIR_NODE, 0x0064, DirectoryNode, directory, ({
     {sfNFTokenID,            soeOPTIONAL},
     {sfPreviousTxnID,        soeOPTIONAL},
     {sfPreviousTxnLgrSeq,    soeOPTIONAL},
-    {sfDomainID,             soeOPTIONAL}
+    {sfDomainID,             soeOPTIONAL}   // order book directories
 }))
 
 /** The ledger object which lists details about amendments on the network.
@@ -343,6 +344,7 @@ LEDGER_ENTRY(ltXCHAIN_OWNED_CREATE_ACCOUNT_CLAIM_ID, 0x0074, XChainOwnedCreateAc
  */
 LEDGER_ENTRY(ltESCROW, 0x0075, Escrow, escrow, ({
     {sfAccount,              soeREQUIRED},
+    {sfSequence,             soeOPTIONAL},
     {sfDestination,          soeREQUIRED},
     {sfAmount,               soeREQUIRED},
     {sfCondition,            soeOPTIONAL},
@@ -365,6 +367,7 @@ LEDGER_ENTRY(ltESCROW, 0x0075, Escrow, escrow, ({
 LEDGER_ENTRY(ltPAYCHAN, 0x0078, PayChannel, payment_channel, ({
     {sfAccount,              soeREQUIRED},
     {sfDestination,          soeREQUIRED},
+    {sfSequence,             soeOPTIONAL},
     {sfAmount,               soeREQUIRED},
     {sfBalance,              soeREQUIRED},
     {sfPublicKey,            soeREQUIRED},
@@ -433,6 +436,7 @@ LEDGER_ENTRY(ltMPTOKEN, 0x007f, MPToken, mptoken, ({
  */
 LEDGER_ENTRY(ltORACLE, 0x0080, Oracle, oracle, ({
     {sfOwner,                soeREQUIRED},
+    {sfOracleDocumentID,     soeOPTIONAL},
     {sfProvider,             soeREQUIRED},
     {sfPriceDataSeries,      soeREQUIRED},
     {sfAssetClass,           soeREQUIRED},
@@ -453,7 +457,7 @@ LEDGER_ENTRY(ltCREDENTIAL, 0x0081, Credential, credential, ({
     {sfExpiration,           soeOPTIONAL},
     {sfURI,                  soeOPTIONAL},
     {sfIssuerNode,           soeREQUIRED},
-    {sfSubjectNode,          soeREQUIRED},
+    {sfSubjectNode,          soeOPTIONAL},
     {sfPreviousTxnID,        soeREQUIRED},
     {sfPreviousTxnLgrSeq,    soeREQUIRED},
 }))

include/xrpl/protocol/detail/sfields.macro

@@ -174,7 +174,8 @@ TYPED_SFIELD(sfNFTokenID,                UINT256,   10)
 TYPED_SFIELD(sfEmitParentTxnID,          UINT256,   11)
 TYPED_SFIELD(sfEmitNonce,                UINT256,   12)
 TYPED_SFIELD(sfEmitHookHash,             UINT256,   13)
-TYPED_SFIELD(sfAMMID,                    UINT256,   14)
+TYPED_SFIELD(sfAMMID,                    UINT256,   14,
+    SField::sMD_PseudoAccount | SField::sMD_Default)
 
 // 256-bit (uncommon)
 TYPED_SFIELD(sfBookDirectory,            UINT256,   16)
@@ -196,7 +197,8 @@ TYPED_SFIELD(sfHookHash,                 UINT256,   31)
 TYPED_SFIELD(sfHookNamespace,            UINT256,   32)
 TYPED_SFIELD(sfHookSetTxnID,             UINT256,   33)
 TYPED_SFIELD(sfDomainID,                 UINT256,   34)
-TYPED_SFIELD(sfVaultID,                  UINT256,   35)
+TYPED_SFIELD(sfVaultID,                  UINT256,   35,
+    SField::sMD_PseudoAccount | SField::sMD_Default)
 TYPED_SFIELD(sfParentBatchID,            UINT256,   36)
 
 // number (common)
@@ -206,6 +208,12 @@ TYPED_SFIELD(sfAssetsMaximum,            NUMBER,     3)
 TYPED_SFIELD(sfAssetsTotal,              NUMBER,     4)
 TYPED_SFIELD(sfLossUnrealized,           NUMBER,     5)
 
+// int32
+// NOTE: Do not use `sfDummyInt32`. It's so far the only use of INT32
+// in this file and has been defined here for test only.
+// TODO: Replace `sfDummyInt32` with actually useful field.
+TYPED_SFIELD(sfDummyInt32,               INT32,      1) // for tests only
+
 // currency amount (common)
 TYPED_SFIELD(sfAmount,                   AMOUNT,     1)
 TYPED_SFIELD(sfBalance,                  AMOUNT,     2)

include/xrpl/protocol/detail/transactions.macro

@@ -22,16 +22,31 @@
 #endif
 
 /**
- * TRANSACTION(tag, value, name, delegatable, amendments, fields)
+ * TRANSACTION(tag, value, name, delegatable, amendments, privileges, fields)
+ *
+ * To ease maintenance, you may replace any unneeded values with "..."
+ * e.g. #define TRANSACTION(tag, value, name, ...)
  *
  * You must define a transactor class in the `ripple` namespace named `name`,
- * and include its header in `src/xrpld/app/tx/detail/applySteps.cpp`.
+ * and include its header alongside the TRANSACTOR definition using this
+ * format:
+ * #if TRANSACTION_INCLUDE
+ * #   include <xrpld/app/tx/detail/HEADER.h>
+ * #endif
+ *
+ * The `privileges` parameter of the TRANSACTION macro is a bitfield
+ * defining which operations the transaction can perform.
+ * The values are defined and used in InvariantCheck.cpp
  */
 
 /** This transaction type executes a payment. */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/Payment.h>
+#endif
 TRANSACTION(ttPAYMENT, 0, Payment,
     Delegation::delegatable,
     uint256{},
+    createAcct,
     ({
     {sfDestination, soeREQUIRED},
     {sfAmount, soeREQUIRED, soeMPTSupported},
@@ -45,9 +60,13 @@ TRANSACTION(ttPAYMENT, 0, Payment,
 }))
 
 /** This transaction type creates an escrow object. */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/Escrow.h>
+#endif
 TRANSACTION(ttESCROW_CREATE, 1, EscrowCreate,
     Delegation::delegatable,
     uint256{},
+    noPriv,
     ({
     {sfDestination, soeREQUIRED},
     {sfAmount, soeREQUIRED, soeMPTSupported},
@@ -61,6 +80,7 @@ TRANSACTION(ttESCROW_CREATE, 1, EscrowCreate,
 TRANSACTION(ttESCROW_FINISH, 2, EscrowFinish,
     Delegation::delegatable,
     uint256{},
+    noPriv,
     ({
     {sfOwner, soeREQUIRED},
     {sfOfferSequence, soeREQUIRED},
@@ -71,9 +91,13 @@ TRANSACTION(ttESCROW_FINISH, 2, EscrowFinish,
 
 
 /** This transaction type adjusts various account settings. */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/SetAccount.h>
+#endif
 TRANSACTION(ttACCOUNT_SET, 3, AccountSet,
     Delegation::notDelegatable,
     uint256{},
+    noPriv,
     ({
     {sfEmailHash, soeOPTIONAL},
     {sfWalletLocator, soeOPTIONAL},
@@ -88,18 +112,26 @@ TRANSACTION(ttACCOUNT_SET, 3, AccountSet,
 }))
 
 /** This transaction type cancels an existing escrow. */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/Escrow.h>
+#endif
 TRANSACTION(ttESCROW_CANCEL, 4, EscrowCancel,
     Delegation::delegatable,
     uint256{},
+    noPriv,
     ({
     {sfOwner, soeREQUIRED},
     {sfOfferSequence, soeREQUIRED},
 }))
 
 /** This transaction type sets or clears an account's "regular key". */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/SetRegularKey.h>
+#endif
 TRANSACTION(ttREGULAR_KEY_SET, 5, SetRegularKey,
     Delegation::notDelegatable,
     uint256{},
+    noPriv,
     ({
     {sfRegularKey, soeOPTIONAL},
 }))
@@ -107,9 +139,13 @@ TRANSACTION(ttREGULAR_KEY_SET, 5, SetRegularKey,
 // 6 deprecated
 
 /** This transaction type creates an offer to trade one asset for another. */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/CreateOffer.h>
+#endif
 TRANSACTION(ttOFFER_CREATE, 7, OfferCreate,
     Delegation::delegatable,
     uint256{},
+    noPriv,
     ({
     {sfTakerPays, soeREQUIRED},
     {sfTakerGets, soeREQUIRED},
@@ -119,9 +155,13 @@ TRANSACTION(ttOFFER_CREATE, 7, OfferCreate,
 }))
 
 /** This transaction type cancels existing offers to trade one asset for another. */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/CancelOffer.h>
+#endif
 TRANSACTION(ttOFFER_CANCEL, 8, OfferCancel,
     Delegation::delegatable,
     uint256{},
+    noPriv,
     ({
     {sfOfferSequence, soeREQUIRED},
 }))
@@ -129,9 +169,13 @@ TRANSACTION(ttOFFER_CANCEL, 8, OfferCancel,
 // 9 deprecated
 
 /** This transaction type creates a new set of tickets. */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/CreateTicket.h>
+#endif
 TRANSACTION(ttTICKET_CREATE, 10, TicketCreate,
     Delegation::delegatable,
     featureTicketBatch,
+    noPriv,
     ({
     {sfTicketCount, soeREQUIRED},
 }))
@@ -141,18 +185,26 @@ TRANSACTION(ttTICKET_CREATE, 10, TicketCreate,
 /** This transaction type modifies the signer list associated with an account. */
 // The SignerEntries are optional because a SignerList is deleted by
 // setting the SignerQuorum to zero and omitting SignerEntries.
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/SetSignerList.h>
+#endif
 TRANSACTION(ttSIGNER_LIST_SET, 12, SignerListSet,
     Delegation::notDelegatable,
     uint256{},
+    noPriv,
     ({
     {sfSignerQuorum, soeREQUIRED},
     {sfSignerEntries, soeOPTIONAL},
 }))
 
 /** This transaction type creates a new unidirectional XRP payment channel. */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/PayChan.h>
+#endif
 TRANSACTION(ttPAYCHAN_CREATE, 13, PaymentChannelCreate,
     Delegation::delegatable,
     uint256{},
+    noPriv,
     ({
     {sfDestination, soeREQUIRED},
     {sfAmount, soeREQUIRED},
@@ -166,6 +218,7 @@ TRANSACTION(ttPAYCHAN_CREATE, 13, PaymentChannelCreate,
 TRANSACTION(ttPAYCHAN_FUND, 14, PaymentChannelFund,
     Delegation::delegatable,
     uint256{},
+    noPriv,
     ({
     {sfChannel, soeREQUIRED},
     {sfAmount, soeREQUIRED},
@@ -176,6 +229,7 @@ TRANSACTION(ttPAYCHAN_FUND, 14, PaymentChannelFund,
 TRANSACTION(ttPAYCHAN_CLAIM, 15, PaymentChannelClaim,
     Delegation::delegatable,
     uint256{},
+    noPriv,
     ({
     {sfChannel, soeREQUIRED},
     {sfAmount, soeOPTIONAL},
@@ -186,9 +240,13 @@ TRANSACTION(ttPAYCHAN_CLAIM, 15, PaymentChannelClaim,
 }))
 
 /** This transaction type creates a new check. */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/CreateCheck.h>
+#endif
 TRANSACTION(ttCHECK_CREATE, 16, CheckCreate,
     Delegation::delegatable,
     featureChecks,
+    noPriv,
     ({
     {sfDestination, soeREQUIRED},
     {sfSendMax, soeREQUIRED},
@@ -198,9 +256,13 @@ TRANSACTION(ttCHECK_CREATE, 16, CheckCreate,
 }))
 
 /** This transaction type cashes an existing check. */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/CashCheck.h>
+#endif
 TRANSACTION(ttCHECK_CASH, 17, CheckCash,
     Delegation::delegatable,
     featureChecks,
+    noPriv,
     ({
     {sfCheckID, soeREQUIRED},
     {sfAmount, soeOPTIONAL},
@@ -208,17 +270,25 @@ TRANSACTION(ttCHECK_CASH, 17, CheckCash,
 }))
 
 /** This transaction type cancels an existing check. */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/CancelCheck.h>
+#endif
 TRANSACTION(ttCHECK_CANCEL, 18, CheckCancel,
     Delegation::delegatable,
     featureChecks,
+    noPriv,
     ({
     {sfCheckID, soeREQUIRED},
 }))
 
 /** This transaction type grants or revokes authorization to transfer funds. */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/DepositPreauth.h>
+#endif
 TRANSACTION(ttDEPOSIT_PREAUTH, 19, DepositPreauth,
     Delegation::delegatable,
     featureDepositPreauth,
+    noPriv,
     ({
     {sfAuthorize, soeOPTIONAL},
     {sfUnauthorize, soeOPTIONAL},
@@ -227,9 +297,13 @@ TRANSACTION(ttDEPOSIT_PREAUTH, 19, DepositPreauth,
 }))
 
 /** This transaction type modifies a trustline between two accounts. */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/SetTrust.h>
+#endif
 TRANSACTION(ttTRUST_SET, 20, TrustSet,
     Delegation::delegatable,
     uint256{},
+    noPriv,
     ({
     {sfLimitAmount, soeOPTIONAL},
     {sfQualityIn, soeOPTIONAL},
@@ -237,9 +311,13 @@ TRANSACTION(ttTRUST_SET, 20, TrustSet,
 }))
 
 /** This transaction type deletes an existing account. */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/DeleteAccount.h>
+#endif
 TRANSACTION(ttACCOUNT_DELETE, 21, AccountDelete,
     Delegation::notDelegatable,
     uint256{},
+    mustDeleteAcct,
     ({
     {sfDestination, soeREQUIRED},
     {sfDestinationTag, soeOPTIONAL},
@@ -249,9 +327,13 @@ TRANSACTION(ttACCOUNT_DELETE, 21, AccountDelete,
 // 22 reserved
 
 /** This transaction mints a new NFT. */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/NFTokenMint.h>
+#endif
 TRANSACTION(ttNFTOKEN_MINT, 25, NFTokenMint,
     Delegation::delegatable,
     featureNonFungibleTokensV1,
+    changeNFTCounts,
     ({
     {sfNFTokenTaxon, soeREQUIRED},
     {sfTransferFee, soeOPTIONAL},
@@ -263,18 +345,26 @@ TRANSACTION(ttNFTOKEN_MINT, 25, NFTokenMint,
 }))
 
 /** This transaction burns (i.e. destroys) an existing NFT. */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/NFTokenBurn.h>
+#endif
 TRANSACTION(ttNFTOKEN_BURN, 26, NFTokenBurn,
     Delegation::delegatable,
     featureNonFungibleTokensV1,
+    changeNFTCounts,
     ({
     {sfNFTokenID, soeREQUIRED},
     {sfOwner, soeOPTIONAL},
 }))
 
 /** This transaction creates a new offer to buy or sell an NFT. */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/NFTokenCreateOffer.h>
+#endif
 TRANSACTION(ttNFTOKEN_CREATE_OFFER, 27, NFTokenCreateOffer,
     Delegation::delegatable,
     featureNonFungibleTokensV1,
+    noPriv,
     ({
     {sfNFTokenID, soeREQUIRED},
     {sfAmount, soeREQUIRED},
@@ -284,17 +374,25 @@ TRANSACTION(ttNFTOKEN_CREATE_OFFER, 27, NFTokenCreateOffer,
 }))
 
 /** This transaction cancels an existing offer to buy or sell an existing NFT. */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/NFTokenCancelOffer.h>
+#endif
 TRANSACTION(ttNFTOKEN_CANCEL_OFFER, 28, NFTokenCancelOffer,
     Delegation::delegatable,
     featureNonFungibleTokensV1,
+    noPriv,
     ({
     {sfNFTokenOffers, soeREQUIRED},
 }))
 
 /** This transaction accepts an existing offer to buy or sell an existing  NFT. */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/NFTokenAcceptOffer.h>
+#endif
 TRANSACTION(ttNFTOKEN_ACCEPT_OFFER, 29, NFTokenAcceptOffer,
     Delegation::delegatable,
     featureNonFungibleTokensV1,
+    noPriv,
     ({
     {sfNFTokenBuyOffer, soeOPTIONAL},
     {sfNFTokenSellOffer, soeOPTIONAL},
@@ -302,18 +400,26 @@ TRANSACTION(ttNFTOKEN_ACCEPT_OFFER, 29, NFTokenAcceptOffer,
 }))
 
 /** This transaction claws back issued tokens. */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/Clawback.h>
+#endif
 TRANSACTION(ttCLAWBACK, 30, Clawback,
     Delegation::delegatable,
     featureClawback,
+    noPriv,
     ({
     {sfAmount, soeREQUIRED, soeMPTSupported},
     {sfHolder, soeOPTIONAL},
 }))
 
 /** This transaction claws back tokens from an AMM pool. */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/AMMClawback.h>
+#endif
 TRANSACTION(ttAMM_CLAWBACK, 31, AMMClawback,
     Delegation::delegatable,
     featureAMMClawback,
+    mayDeleteAcct | overrideFreeze,
     ({
     {sfHolder, soeREQUIRED},
     {sfAsset, soeREQUIRED},
@@ -322,9 +428,13 @@ TRANSACTION(ttAMM_CLAWBACK, 31, AMMClawback,
 }))
 
 /** This transaction type creates an AMM instance */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/AMMCreate.h>
+#endif
 TRANSACTION(ttAMM_CREATE, 35, AMMCreate,
     Delegation::delegatable,
     featureAMM,
+    createPseudoAcct,
     ({
     {sfAmount, soeREQUIRED},
     {sfAmount2, soeREQUIRED},
@@ -332,9 +442,13 @@ TRANSACTION(ttAMM_CREATE, 35, AMMCreate,
 }))
 
 /** This transaction type deposits into an AMM instance */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/AMMDeposit.h>
+#endif
 TRANSACTION(ttAMM_DEPOSIT, 36, AMMDeposit,
     Delegation::delegatable,
     featureAMM,
+    noPriv,
     ({
     {sfAsset, soeREQUIRED},
     {sfAsset2, soeREQUIRED},
@@ -346,9 +460,13 @@ TRANSACTION(ttAMM_DEPOSIT, 36, AMMDeposit,
 }))
 
 /** This transaction type withdraws from an AMM instance */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/AMMWithdraw.h>
+#endif
 TRANSACTION(ttAMM_WITHDRAW, 37, AMMWithdraw,
     Delegation::delegatable,
     featureAMM,
+    mayDeleteAcct,
     ({
     {sfAsset, soeREQUIRED},
     {sfAsset2, soeREQUIRED},
@@ -359,9 +477,13 @@ TRANSACTION(ttAMM_WITHDRAW, 37, AMMWithdraw,
 }))
 
 /** This transaction type votes for the trading fee */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/AMMVote.h>
+#endif
 TRANSACTION(ttAMM_VOTE, 38, AMMVote,
     Delegation::delegatable,
     featureAMM,
+    noPriv,
     ({
     {sfAsset, soeREQUIRED},
     {sfAsset2, soeREQUIRED},
@@ -369,9 +491,13 @@ TRANSACTION(ttAMM_VOTE, 38, AMMVote,
 }))
 
 /** This transaction type bids for the auction slot */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/AMMBid.h>
+#endif
 TRANSACTION(ttAMM_BID, 39, AMMBid,
     Delegation::delegatable,
     featureAMM,
+    noPriv,
     ({
     {sfAsset, soeREQUIRED},
     {sfAsset2, soeREQUIRED},
@@ -381,18 +507,26 @@ TRANSACTION(ttAMM_BID, 39, AMMBid,
 }))
 
 /** This transaction type deletes AMM in the empty state */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/AMMDelete.h>
+#endif
 TRANSACTION(ttAMM_DELETE, 40, AMMDelete,
     Delegation::delegatable,
     featureAMM,
+    mustDeleteAcct,
     ({
     {sfAsset, soeREQUIRED},
     {sfAsset2, soeREQUIRED},
 }))
 
 /** This transactions creates a crosschain sequence number */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/XChainBridge.h>
+#endif
 TRANSACTION(ttXCHAIN_CREATE_CLAIM_ID, 41, XChainCreateClaimID,
     Delegation::delegatable,
     featureXChainBridge,
+    noPriv,
     ({
     {sfXChainBridge, soeREQUIRED},
     {sfSignatureReward, soeREQUIRED},
@@ -403,6 +537,7 @@ TRANSACTION(ttXCHAIN_CREATE_CLAIM_ID, 41, XChainCreateClaimID,
 TRANSACTION(ttXCHAIN_COMMIT, 42, XChainCommit,
     Delegation::delegatable,
     featureXChainBridge,
+    noPriv,
     ({
     {sfXChainBridge, soeREQUIRED},
     {sfXChainClaimID, soeREQUIRED},
@@ -414,6 +549,7 @@ TRANSACTION(ttXCHAIN_COMMIT, 42, XChainCommit,
 TRANSACTION(ttXCHAIN_CLAIM, 43, XChainClaim,
     Delegation::delegatable,
     featureXChainBridge,
+    noPriv,
     ({
     {sfXChainBridge, soeREQUIRED},
     {sfXChainClaimID, soeREQUIRED},
@@ -426,6 +562,7 @@ TRANSACTION(ttXCHAIN_CLAIM, 43, XChainClaim,
 TRANSACTION(ttXCHAIN_ACCOUNT_CREATE_COMMIT, 44, XChainAccountCreateCommit,
     Delegation::delegatable,
     featureXChainBridge,
+    noPriv,
     ({
     {sfXChainBridge, soeREQUIRED},
     {sfDestination, soeREQUIRED},
@@ -437,6 +574,7 @@ TRANSACTION(ttXCHAIN_ACCOUNT_CREATE_COMMIT, 44, XChainAccountCreateCommit,
 TRANSACTION(ttXCHAIN_ADD_CLAIM_ATTESTATION, 45, XChainAddClaimAttestation,
     Delegation::delegatable,
     featureXChainBridge,
+    createAcct,
     ({
     {sfXChainBridge, soeREQUIRED},
 
@@ -453,9 +591,11 @@ TRANSACTION(ttXCHAIN_ADD_CLAIM_ATTESTATION, 45, XChainAddClaimAttestation,
 }))
 
 /** This transaction adds an attestation to an account */
-TRANSACTION(ttXCHAIN_ADD_ACCOUNT_CREATE_ATTESTATION, 46, XChainAddAccountCreateAttestation,
+TRANSACTION(ttXCHAIN_ADD_ACCOUNT_CREATE_ATTESTATION, 46,
+    XChainAddAccountCreateAttestation,
     Delegation::delegatable,
     featureXChainBridge,
+    createAcct,
     ({
     {sfXChainBridge, soeREQUIRED},
 
@@ -476,6 +616,7 @@ TRANSACTION(ttXCHAIN_ADD_ACCOUNT_CREATE_ATTESTATION, 46, XChainAddAccountCreateA
 TRANSACTION(ttXCHAIN_MODIFY_BRIDGE, 47, XChainModifyBridge,
     Delegation::delegatable,
     featureXChainBridge,
+    noPriv,
     ({
     {sfXChainBridge, soeREQUIRED},
     {sfSignatureReward, soeOPTIONAL},
@@ -486,6 +627,7 @@ TRANSACTION(ttXCHAIN_MODIFY_BRIDGE, 47, XChainModifyBridge,
 TRANSACTION(ttXCHAIN_CREATE_BRIDGE, 48, XChainCreateBridge,
     Delegation::delegatable,
     featureXChainBridge,
+    noPriv,
     ({
     {sfXChainBridge, soeREQUIRED},
     {sfSignatureReward, soeREQUIRED},
@@ -493,9 +635,13 @@ TRANSACTION(ttXCHAIN_CREATE_BRIDGE, 48, XChainCreateBridge,
 }))
 
 /** This transaction type creates or updates a DID */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/DID.h>
+#endif
 TRANSACTION(ttDID_SET, 49, DIDSet,
     Delegation::delegatable,
     featureDID,
+    noPriv,
     ({
     {sfDIDDocument, soeOPTIONAL},
     {sfURI, soeOPTIONAL},
@@ -506,12 +652,17 @@ TRANSACTION(ttDID_SET, 49, DIDSet,
 TRANSACTION(ttDID_DELETE, 50, DIDDelete,
     Delegation::delegatable,
     featureDID,
+    noPriv,
     ({}))
 
 /** This transaction type creates an Oracle instance */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/SetOracle.h>
+#endif
 TRANSACTION(ttORACLE_SET, 51, OracleSet,
     Delegation::delegatable,
     featurePriceOracle,
+    noPriv,
     ({
     {sfOracleDocumentID, soeREQUIRED},
     {sfProvider, soeOPTIONAL},
@@ -522,26 +673,38 @@ TRANSACTION(ttORACLE_SET, 51, OracleSet,
 }))
 
 /** This transaction type deletes an Oracle instance */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/DeleteOracle.h>
+#endif
 TRANSACTION(ttORACLE_DELETE, 52, OracleDelete,
     Delegation::delegatable,
     featurePriceOracle,
+    noPriv,
     ({
     {sfOracleDocumentID, soeREQUIRED},
 }))
 
 /** This transaction type fixes a problem in the ledger state */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/LedgerStateFix.h>
+#endif
 TRANSACTION(ttLEDGER_STATE_FIX, 53, LedgerStateFix,
     Delegation::delegatable,
     fixNFTokenPageLinks,
+    noPriv,
     ({
     {sfLedgerFixType, soeREQUIRED},
     {sfOwner, soeOPTIONAL},
 }))
 
 /** This transaction type creates a MPTokensIssuance instance */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/MPTokenIssuanceCreate.h>
+#endif
 TRANSACTION(ttMPTOKEN_ISSUANCE_CREATE, 54, MPTokenIssuanceCreate,
     Delegation::delegatable,
     featureMPTokensV1,
+    createMPTIssuance,
     ({
     {sfAssetScale, soeOPTIONAL},
     {sfTransferFee, soeOPTIONAL},
@@ -552,17 +715,25 @@ TRANSACTION(ttMPTOKEN_ISSUANCE_CREATE, 54, MPTokenIssuanceCreate,
 }))
 
 /** This transaction type destroys a MPTokensIssuance instance */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/MPTokenIssuanceDestroy.h>
+#endif
 TRANSACTION(ttMPTOKEN_ISSUANCE_DESTROY, 55, MPTokenIssuanceDestroy,
     Delegation::delegatable,
     featureMPTokensV1,
+    destroyMPTIssuance,
     ({
     {sfMPTokenIssuanceID, soeREQUIRED},
 }))
 
 /** This transaction type sets flags on a MPTokensIssuance or MPToken instance */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/MPTokenIssuanceSet.h>
+#endif
 TRANSACTION(ttMPTOKEN_ISSUANCE_SET, 56, MPTokenIssuanceSet,
     Delegation::delegatable,
     featureMPTokensV1,
+    noPriv,
     ({
     {sfMPTokenIssuanceID, soeREQUIRED},
     {sfHolder, soeOPTIONAL},
@@ -573,18 +744,26 @@ TRANSACTION(ttMPTOKEN_ISSUANCE_SET, 56, MPTokenIssuanceSet,
 }))
 
 /** This transaction type authorizes a MPToken instance */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/MPTokenAuthorize.h>
+#endif
 TRANSACTION(ttMPTOKEN_AUTHORIZE, 57, MPTokenAuthorize,
     Delegation::delegatable,
     featureMPTokensV1,
+    mustAuthorizeMPT,
     ({
     {sfMPTokenIssuanceID, soeREQUIRED},
     {sfHolder, soeOPTIONAL},
 }))
 
 /** This transaction type create an Credential instance */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/Credentials.h>
+#endif
 TRANSACTION(ttCREDENTIAL_CREATE, 58, CredentialCreate,
     Delegation::delegatable,
     featureCredentials,
+    noPriv,
     ({
     {sfSubject, soeREQUIRED},
     {sfCredentialType, soeREQUIRED},
@@ -596,6 +775,7 @@ TRANSACTION(ttCREDENTIAL_CREATE, 58, CredentialCreate,
 TRANSACTION(ttCREDENTIAL_ACCEPT, 59, CredentialAccept,
     Delegation::delegatable,
     featureCredentials,
+    noPriv,
     ({
     {sfIssuer, soeREQUIRED},
     {sfCredentialType, soeREQUIRED},
@@ -605,6 +785,7 @@ TRANSACTION(ttCREDENTIAL_ACCEPT, 59, CredentialAccept,
 TRANSACTION(ttCREDENTIAL_DELETE, 60, CredentialDelete,
     Delegation::delegatable,
     featureCredentials,
+    noPriv,
     ({
     {sfSubject, soeOPTIONAL},
     {sfIssuer, soeOPTIONAL},
@@ -612,9 +793,13 @@ TRANSACTION(ttCREDENTIAL_DELETE, 60, CredentialDelete,
 }))
 
 /** This transaction type modify a NFToken */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/NFTokenModify.h>
+#endif
 TRANSACTION(ttNFTOKEN_MODIFY, 61, NFTokenModify,
     Delegation::delegatable,
     featureDynamicNFT,
+    noPriv,
     ({
     {sfNFTokenID, soeREQUIRED},
     {sfOwner, soeOPTIONAL},
@@ -622,35 +807,51 @@ TRANSACTION(ttNFTOKEN_MODIFY, 61, NFTokenModify,
 }))
 
 /** This transaction type creates or modifies a Permissioned Domain */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/PermissionedDomainSet.h>
+#endif
 TRANSACTION(ttPERMISSIONED_DOMAIN_SET, 62, PermissionedDomainSet,
     Delegation::delegatable,
     featurePermissionedDomains,
+    noPriv,
     ({
     {sfDomainID, soeOPTIONAL},
     {sfAcceptedCredentials, soeREQUIRED},
 }))
 
 /** This transaction type deletes a Permissioned Domain */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/PermissionedDomainDelete.h>
+#endif
 TRANSACTION(ttPERMISSIONED_DOMAIN_DELETE, 63, PermissionedDomainDelete,
     Delegation::delegatable,
     featurePermissionedDomains,
+    noPriv,
     ({
     {sfDomainID, soeREQUIRED},
 }))
 
 /** This transaction type delegates authorized account specified permissions */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/DelegateSet.h>
+#endif
 TRANSACTION(ttDELEGATE_SET, 64, DelegateSet,
     Delegation::notDelegatable,
     featurePermissionDelegation,
+    noPriv,
     ({
     {sfAuthorize, soeREQUIRED},
     {sfPermissions, soeREQUIRED},
 }))
 
 /** This transaction creates a single asset vault. */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/VaultCreate.h>
+#endif
 TRANSACTION(ttVAULT_CREATE, 65, VaultCreate,
     Delegation::delegatable,
     featureSingleAssetVault,
+    createPseudoAcct | createMPTIssuance | mustModifyVault,
     ({
     {sfAsset, soeREQUIRED, soeMPTSupported},
     {sfAssetsMaximum, soeOPTIONAL},
@@ -662,9 +863,13 @@ TRANSACTION(ttVAULT_CREATE, 65, VaultCreate,
 }))
 
 /** This transaction updates a single asset vault. */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/VaultSet.h>
+#endif
 TRANSACTION(ttVAULT_SET, 66, VaultSet,
     Delegation::delegatable,
     featureSingleAssetVault,
+    mustModifyVault,
     ({
     {sfVaultID, soeREQUIRED},
     {sfAssetsMaximum, soeOPTIONAL},
@@ -673,26 +878,38 @@ TRANSACTION(ttVAULT_SET, 66, VaultSet,
 }))
 
 /** This transaction deletes a single asset vault. */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/VaultDelete.h>
+#endif
 TRANSACTION(ttVAULT_DELETE, 67, VaultDelete,
     Delegation::delegatable,
     featureSingleAssetVault,
+    mustDeleteAcct | destroyMPTIssuance | mustModifyVault,
     ({
     {sfVaultID, soeREQUIRED},
 }))
 
 /** This transaction trades assets for shares with a vault. */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/VaultDeposit.h>
+#endif
 TRANSACTION(ttVAULT_DEPOSIT, 68, VaultDeposit,
     Delegation::delegatable,
     featureSingleAssetVault,
+    mayAuthorizeMPT | mustModifyVault,
     ({
     {sfVaultID, soeREQUIRED},
     {sfAmount, soeREQUIRED, soeMPTSupported},
 }))
 
 /** This transaction trades shares for assets with a vault. */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/VaultWithdraw.h>
+#endif
 TRANSACTION(ttVAULT_WITHDRAW, 69, VaultWithdraw,
     Delegation::delegatable,
     featureSingleAssetVault,
+    mayDeleteMPT | mayAuthorizeMPT | mustModifyVault,
     ({
     {sfVaultID, soeREQUIRED},
     {sfAmount, soeREQUIRED, soeMPTSupported},
@@ -701,9 +918,13 @@ TRANSACTION(ttVAULT_WITHDRAW, 69, VaultWithdraw,
 }))
 
 /** This transaction claws back tokens from a vault. */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/VaultClawback.h>
+#endif
 TRANSACTION(ttVAULT_CLAWBACK, 70, VaultClawback,
     Delegation::delegatable,
     featureSingleAssetVault,
+    mayDeleteMPT | mustModifyVault,
     ({
     {sfVaultID, soeREQUIRED},
     {sfHolder, soeREQUIRED},
@@ -711,9 +932,13 @@ TRANSACTION(ttVAULT_CLAWBACK, 70, VaultClawback,
 }))
 
 /** This transaction type batches together transactions. */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/Batch.h>
+#endif
 TRANSACTION(ttBATCH, 71, Batch,
     Delegation::notDelegatable,
     featureBatch,
+    noPriv,
     ({
     {sfRawTransactions, soeREQUIRED},
     {sfBatchSigners, soeOPTIONAL},
@@ -723,9 +948,13 @@ TRANSACTION(ttBATCH, 71, Batch,
 
     For details, see: https://xrpl.org/amendments.html
  */
+#if TRANSACTION_INCLUDE
+#   include <xrpld/app/tx/detail/Change.h>
+#endif
 TRANSACTION(ttAMENDMENT, 100, EnableAmendment,
     Delegation::notDelegatable,
     uint256{},
+    noPriv,
     ({
     {sfLedgerSequence, soeREQUIRED},
     {sfAmendment, soeREQUIRED},
@@ -737,6 +966,7 @@ TRANSACTION(ttAMENDMENT, 100, EnableAmendment,
 TRANSACTION(ttFEE, 101, SetFee,
     Delegation::notDelegatable,
     uint256{},
+    noPriv,
     ({
     {sfLedgerSequence, soeOPTIONAL},
     // Old version uses raw numbers
@@ -757,6 +987,7 @@ TRANSACTION(ttFEE, 101, SetFee,
 TRANSACTION(ttUNL_MODIFY, 102, UNLModify,
     Delegation::notDelegatable,
     uint256{},
+    noPriv,
     ({
     {sfUNLModifyDisabling, soeREQUIRED},
     {sfLedgerSequence, soeREQUIRED},

include/xrpl/protocol/jss.h

@@ -569,6 +569,7 @@ JSS(settle_delay);            // out: AccountChannels
 JSS(severity);                // in: LogLevel
 JSS(shares);                  // out: VaultInfo
 JSS(signature);               // out: NetworkOPs, ChannelAuthorize
+JSS(signature_target);        // in: TransactionSign
 JSS(signature_verified);      // out: ChannelVerify
 JSS(signing_key);             // out: NetworkOPs
 JSS(signing_keys);            // out: ValidatorList
@@ -722,11 +723,11 @@ JSS(write_load);              // out: GetCounts
 #pragma push_macro("LEDGER_ENTRY_DUPLICATE")
 #undef LEDGER_ENTRY_DUPLICATE
 
-#define LEDGER_ENTRY(tag, value, name, rpcName, fields) \
-    JSS(name);                                          \
+#define LEDGER_ENTRY(tag, value, name, rpcName, ...) \
+    JSS(name);                                       \
     JSS(rpcName);
 
-#define LEDGER_ENTRY_DUPLICATE(tag, value, name, rpcName, fields) JSS(rpcName);
+#define LEDGER_ENTRY_DUPLICATE(tag, value, name, rpcName, ...) JSS(rpcName);
 
 #include <xrpl/protocol/detail/ledger_entries.macro>
 

include/xrpl/resource/detail/Logic.h

@@ -436,10 +436,12 @@ public:
                     admin_.erase(admin_.iterator_to(entry));
                     break;
                 default:
+                    // LCOV_EXCL_START
                     UNREACHABLE(
                         "ripple::Resource::Logic::release : invalid entry "
                         "kind");
                     break;
+                    // LCOV_EXCL_STOP
             }
             inactive_.push_back(entry);
             entry.whenExpires = m_clock.now() + secondsUntilExpiration;