Merge pull request 'v6.0.1 — RandomX PoW, new genesis, multi-platform CI' (#1) from Charon/blockchain:dev into dev

Reviewed-on: #1
Reviewed-by: Snider <snider@noreply.forge.lthn.ai>

.clang-format

@@ -4,22 +4,19 @@ AlignConsecutiveAssignments: 'true'
 AlignConsecutiveDeclarations: 'false'
 AlignEscapedNewlines: Right
 AlignOperands: 'false'
-AlignTrailingComments: 'true'
+AlignTrailingComments: 'false'
 AllowAllParametersOfDeclarationOnNextLine: 'false'
 AllowShortBlocksOnASingleLine: 'false'
 AllowShortCaseLabelsOnASingleLine: 'true'
 AllowShortFunctionsOnASingleLine: None
-AllowShortIfStatementsOnASingleLine: 'true'
 AllowShortLoopsOnASingleLine: 'false'
 AlwaysBreakAfterReturnType: None
 AlwaysBreakBeforeMultilineStrings: 'false'
-AlwaysBreakTemplateDeclarations: 'true'
 BinPackArguments: 'true'
 BinPackParameters: 'true'
 BreakAfterJavaFieldAnnotations: 'true'
 BreakBeforeBinaryOperators: None
-BreakBeforeBraces: Stroustrup
-BreakBeforeInheritanceComma: 'false'
+BreakBeforeBraces: Allman
 BreakBeforeTernaryOperators: 'false'
 BreakConstructorInitializers: BeforeColon
 BreakStringLiterals: 'false'
@@ -56,4 +53,4 @@ SpacesInParentheses: 'false'
 SpacesInSquareBrackets: 'false'
 Standard: Cpp11
 TabWidth: '2'
-UseTab: Never
+UseTab: Never

.core/build

@@ -0,0 +1 @@
+Subproject commit 9c9346d5494688a78ea573f3bc0547ad12b9be2a

.core/build.yaml

@@ -0,0 +1,83 @@
+# Lethean Blockchain Build Configuration
+# Used by: core compile
+
+version: 1
+
+project:
+  name: blockchain
+  type: cpp
+  description: "Lethean Blockchain - SASE infrastructure chain"
+  version: "6.0.1"
+
+cpp:
+  standard: 17
+  build_type: Release
+  static: false
+
+  conan:
+    version: "2.21.0"
+    requires:
+      - zlib/1.3.1
+      - boost/1.85.0
+      - openssl/3.2.0
+      - miniupnpc/2.2.5
+      - jwt-cpp/0.7.1
+      - oatpp/1.3.0.latest
+      - oatpp-swagger/1.3.0.latest
+    tool_requires:
+      - cmake/3.31.9
+    options:
+      boost/*:without_test: true
+    registry:
+      url: http://forge.snider.dev:4000/api/packages/host-uk/conan
+      remote: conan_build
+
+  cmake:
+    minimum_version: "3.16"
+    variables:
+      USE_CCACHE: "ON"
+
+  options:
+    testnet: false
+
+targets:
+  - os: linux
+    arch: x86_64
+    profile: gcc-linux-x86_64
+  - os: linux
+    arch: arm64
+    profile: gcc-linux-armv8
+  - os: darwin
+    arch: arm64
+    profile: apple-clang-armv8
+  - os: darwin
+    arch: x86_64
+    profile: apple-clang-x86_64
+  - os: windows
+    arch: x86_64
+    profile: msvc-194-x86_64
+
+package:
+  generators:
+    - TGZ
+    - ZIP
+    - NSIS
+    - DEB
+    - RPM
+  vendor: Lethean
+  contact: support@lt.hn
+  website: https://lt.hn
+
+docker:
+  dockerfile: utils/docker/lthn-chain/Dockerfile
+  image: lthn/chain
+  platforms:
+    - linux/amd64
+  tags:
+    - testnet
+    - "{{.Version}}"
+  build_args:
+    BUILD_THREADS: auto
+    BUILD_TESTNET: "1"
+    BUILD_STATIC: "0"
+    BUILD_TYPE: Release

.dockerignore

@@ -0,0 +1,8 @@
+build
+.github
+.idea
+docs
+resources
+snap
+tests
+CMakeUserPresets.json

.forgejo/workflows/build.yml

@@ -0,0 +1,234 @@
+name: Build & Release
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - dev
+      - main
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+env:
+  FORGEJO_URL: ${{ github.server_url }}
+
+jobs:
+  # ──────────────────────────────────────────────
+  # Linux x86_64 — native build on snider-linux
+  # ──────────────────────────────────────────────
+  build-linux:
+    name: Linux x86_64
+    runs-on: linux-native
+    env:
+      CPU_CORES: "24"
+    steps:
+      - name: Checkout
+        uses: https://code.forgejo.org/actions/checkout@v4
+        with:
+          fetch-depth: 0
+          fetch-tags: true
+          submodules: false
+
+      - name: Init submodules
+        run: |
+          git config --global url."${{ env.FORGEJO_URL }}/".insteadOf "http://forge.snider.dev:4000/"
+          git -c http.extraHeader="Authorization: token ${{ secrets.RELEASE_TOKEN }}" submodule update --init --recursive
+          git submodule foreach --recursive 'git fetch --tags origin 2>/dev/null || true'
+
+      - name: Build dependencies
+        run: |
+          make build-deps \
+            CPU_CORES=${{ env.CPU_CORES }} \
+            CONAN_URL=${{ env.FORGEJO_URL }}/api/packages/host-uk/conan \
+            CONAN_USER=claude \
+            CONAN_PASSWORD=${{ secrets.RELEASE_TOKEN }}
+
+      - name: Compile
+        run: |
+          make ${{ github.ref_name == 'main' && 'mainnet' || 'testnet' }} \
+            CPU_CORES=${{ env.CPU_CORES }} \
+            CONAN_URL=${{ env.FORGEJO_URL }}/api/packages/host-uk/conan \
+            CONAN_USER=claude \
+            CONAN_PASSWORD=${{ secrets.RELEASE_TOKEN }}
+
+      - name: Upload artifacts
+        uses: https://code.forgejo.org/forgejo/upload-artifact@v4
+        with:
+          name: linux-x86_64
+          path: build/packages/lethean-*
+          retention-days: 7
+
+  # ──────────────────────────────────────────────
+  # macOS ARM64 — native build on M3 Ultra
+  # ──────────────────────────────────────────────
+  build-macos:
+    name: macOS ARM64
+    runs-on: macos-native
+    env:
+      CPU_CORES: "24"
+    steps:
+      - name: Checkout
+        uses: https://code.forgejo.org/actions/checkout@v4
+        with:
+          fetch-depth: 0
+          fetch-tags: true
+          submodules: false
+
+      - name: Init submodules
+        run: |
+          git config --global url."${{ env.FORGEJO_URL }}/".insteadOf "http://forge.snider.dev:4000/"
+          git -c http.extraHeader="Authorization: token ${{ secrets.RELEASE_TOKEN }}" submodule update --init --recursive
+          git submodule foreach --recursive 'git fetch --tags origin 2>/dev/null || true'
+
+      - name: Build dependencies
+        run: |
+          export PATH="/opt/homebrew/bin:$PATH"
+          make build-deps \
+            CPU_CORES=${{ env.CPU_CORES }} \
+            CONAN_URL=${{ env.FORGEJO_URL }}/api/packages/host-uk/conan \
+            CONAN_USER=claude \
+            CONAN_PASSWORD=${{ secrets.RELEASE_TOKEN }}
+
+      - name: Compile
+        run: |
+          export PATH="/opt/homebrew/bin:$PATH"
+          make ${{ github.ref_name == 'main' && 'mainnet' || 'testnet' }} \
+            CPU_CORES=${{ env.CPU_CORES }} \
+            CONAN_URL=${{ env.FORGEJO_URL }}/api/packages/host-uk/conan \
+            CONAN_USER=claude \
+            CONAN_PASSWORD=${{ secrets.RELEASE_TOKEN }}
+
+      - name: Upload artifacts
+        uses: https://code.forgejo.org/forgejo/upload-artifact@v4
+        with:
+          name: macos-arm64
+          path: build/packages/lethean-*
+          retention-days: 7
+
+  # ──────────────────────────────────────────────
+  # Aggregate artifacts and create release
+  # ──────────────────────────────────────────────
+  release:
+    name: Create Release
+    needs: [build-linux, build-macos]
+    runs-on: linux-native
+    steps:
+      - name: Checkout
+        uses: https://code.forgejo.org/actions/checkout@v4
+        with:
+          fetch-depth: 1
+          submodules: false
+
+      - name: Download Linux artifacts
+        uses: https://code.forgejo.org/forgejo/download-artifact@v4
+        with:
+          name: linux-x86_64
+          path: artifacts/linux
+
+      - name: Download macOS artifacts
+        uses: https://code.forgejo.org/forgejo/download-artifact@v4
+        with:
+          name: macos-arm64
+          path: artifacts/macos
+
+      - name: List artifacts
+        run: find artifacts/ -type f | sort
+
+      - name: Compute release tag
+        id: release
+        run: |
+          VERSION=$(grep '^BUILD_VERSION:=' Makefile | cut -d'=' -f2)
+          if [ "${{ github.ref_name }}" = "main" ]; then
+            TAG="v${VERSION}+${{ github.run_number }}"
+            PRERELEASE=false
+            TITLE="v${VERSION} (build ${{ github.run_number }})"
+          else
+            TAG="v${VERSION}-beta+${{ github.run_number }}"
+            PRERELEASE=true
+            TITLE="v${VERSION}-beta (build ${{ github.run_number }})"
+          fi
+          echo "tag=${TAG}" >> "$GITHUB_OUTPUT"
+          echo "prerelease=${PRERELEASE}" >> "$GITHUB_OUTPUT"
+          echo "title=${TITLE}" >> "$GITHUB_OUTPUT"
+          echo "version=${VERSION}" >> "$GITHUB_OUTPUT"
+
+      - name: Create release
+        id: create_release
+        run: |
+          RESPONSE=$(curl -s -w "\n%{http_code}" -X POST \
+            "${{ env.FORGEJO_URL }}/api/v1/repos/${{ github.repository }}/releases" \
+            -H "Authorization: token ${{ secrets.RELEASE_TOKEN }}" \
+            -H "Content-Type: application/json" \
+            -d "{
+              \"tag_name\": \"${{ steps.release.outputs.tag }}\",
+              \"target_commitish\": \"${{ github.sha }}\",
+              \"name\": \"${{ steps.release.outputs.title }}\",
+              \"body\": \"Automated build from \`${{ github.ref_name }}\` branch (run #${{ github.run_number }})\n\n## Platforms\n- Linux x86_64\n- macOS ARM64 (Apple Silicon)\",
+              \"draft\": false,
+              \"prerelease\": ${{ steps.release.outputs.prerelease }}
+            }")
+          HTTP_CODE=$(echo "$RESPONSE" | tail -1)
+          BODY=$(echo "$RESPONSE" | sed '$d')
+          if [ "$HTTP_CODE" -ge 400 ]; then
+            echo "Failed to create release (HTTP ${HTTP_CODE}):"
+            echo "$BODY"
+            exit 1
+          fi
+          RELEASE_ID=$(echo "$BODY" | python3 -c "import sys,json; print(json.load(sys.stdin)['id'])")
+          echo "id=${RELEASE_ID}" >> "$GITHUB_OUTPUT"
+          echo "Created release ID: ${RELEASE_ID}"
+
+      - name: Upload release assets
+        run: |
+          for dir in artifacts/linux artifacts/macos; do
+            for file in "$dir"/lethean-*; do
+              [ -f "$file" ] || continue
+              FILENAME=$(basename "$file")
+              echo "Uploading: ${FILENAME}"
+              HTTP_CODE=$(curl -s -o /dev/null -w "%{http_code}" -X POST \
+                "${{ env.FORGEJO_URL }}/api/v1/repos/${{ github.repository }}/releases/${{ steps.create_release.outputs.id }}/assets?name=${FILENAME}" \
+                -H "Authorization: token ${{ secrets.RELEASE_TOKEN }}" \
+                -H "Content-Type: application/octet-stream" \
+                --data-binary "@${file}")
+              if [ "$HTTP_CODE" -ge 400 ]; then
+                echo "Failed to upload ${FILENAME} (HTTP ${HTTP_CODE})"
+                exit 1
+              fi
+              echo "Uploaded ${FILENAME} (HTTP ${HTTP_CODE})"
+            done
+          done
+
+      - name: Prune old releases
+        run: |
+          TAG_PREFIX="${{ github.ref_name == 'main' && 'v6' || 'v6.*-beta' }}"
+          CURRENT_ID="${{ steps.create_release.outputs.id }}"
+          echo "Keeping release ${CURRENT_ID}, pruning older ${TAG_PREFIX} releases..."
+          PAGE=1
+          while true; do
+            RELEASES=$(curl -s "${{ env.FORGEJO_URL }}/api/v1/repos/${{ github.repository }}/releases?limit=50&page=${PAGE}" \
+              -H "Authorization: token ${{ secrets.RELEASE_TOKEN }}")
+            COUNT=$(echo "$RELEASES" | python3 -c "import sys,json; print(len(json.load(sys.stdin)))" 2>/dev/null || echo 0)
+            [ "$COUNT" = "0" ] && break
+            echo "$RELEASES" | python3 -c "
+          import sys, json, fnmatch
+          for r in json.load(sys.stdin):
+              rid = r['id']
+              tag = r['tag_name']
+              if rid == ${CURRENT_ID}:
+                  continue
+              if fnmatch.fnmatch(tag, '${TAG_PREFIX}*'):
+                  print(f'{rid} {tag}')
+          " | while read -r RID RTAG; do
+                echo "Deleting release ${RTAG} (id=${RID})"
+                curl -s -o /dev/null -X DELETE \
+                  "${{ env.FORGEJO_URL }}/api/v1/repos/${{ github.repository }}/releases/${RID}" \
+                  -H "Authorization: token ${{ secrets.RELEASE_TOKEN }}"
+                curl -s -o /dev/null -X DELETE \
+                  "${{ env.FORGEJO_URL }}/api/v1/repos/${{ github.repository }}/tags/${RTAG}" \
+                  -H "Authorization: token ${{ secrets.RELEASE_TOKEN }}"
+              done
+            PAGE=$((PAGE + 1))
+          done
+          echo "Prune complete"

.gitattributes

@@ -1,2 +1,5 @@
 .git* export-ignore
-/CMakeLists.txt export-subst
+/CMakeLists.txt export-subst
+
+# Mark auto-generated SDK clients as "generated" to hide them in GitHub diffs
+utils/sdk/client/** linguist-generated=true

.github/actions/make-docs/action.yml

@@ -0,0 +1,22 @@
+# .github/actions/make-docs/action.yml
+name: 'Build Documentation'
+description: 'Archives and uploads signed binaries to a GitHub release'
+
+runs:
+  using: "composite"
+  steps:
+    - uses: actions/setup-python@v5
+      with:
+        python-version: 3.x
+    - run: echo "cache_id=$(date -u '+%V')" >> $GITHUB_ENV
+    - uses: actions/cache@v4
+      with:
+        key: mkdocs-material-${{ env.cache_id }}
+        path: ~/.cache
+        restore-keys: |
+            mkdocs-material-
+
+    - if: runner.os == 'Linux'
+      run: |
+        sudo apt-get install -y libcairo2-dev libfreetype6-dev libffi-dev libjpeg-dev libpng-dev libz-dev pngquant
+    - run: pip install mkdocs-git-revision-date-localized-plugin cairosvg mkdocs-git-committers-plugin-2 mkdocs-git-authors-plugin mkdocs-material[imaging]

.github/actions/upload-artifacts/action.yml

@@ -0,0 +1,90 @@
+# .github/actions/upload-artifacts/action.yml
+name: 'Upload Artifacts'
+description: 'Archives and uploads signed binaries to a GitHub release'
+inputs:
+  chain-network:
+    required: true
+    description: 'The chain network name to use in filenames, mainnet or testnet'
+  assets:
+    description: "A EOL separated string list of filenames to archive; if asset is a abs path, it's respected"
+    required: false
+  asset-type:
+    required: true
+    description: 'The asset type: cli, gui, ANYTHING; used as a separator for different release packages for the same arch'
+  asset-directory:
+    required: true
+    description: "The directory where 7z's working dir will be set"
+
+runs:
+  using: "composite"
+  steps:
+    - name: compute file name
+      id: asset
+      shell: bash
+      run: |
+        ARCH=${{ runner.arch }}
+        RUNNER_OS=${{ runner.os }}
+        LOWERCASE_ARCH=$(echo "$ARCH" | tr '[:upper:]' '[:lower:]')
+        TARGET_OS=$(echo "$RUNNER_OS" | tr '[:upper:]' '[:lower:]')
+        FILENAME="${{ inputs.chain-network }}-${{ inputs.asset-type }}-${TARGET_OS}-${LOWERCASE_ARCH}"
+        echo "key=$FILENAME" >> $GITHUB_OUTPUT
+        
+        VERSION=$(grep '^BUILD_VERSION:=' Makefile | cut -d'=' -f2)
+        # Check if a version was found
+        if [ -z "$VERSION" ]; then
+          echo "Error: BUILD_VERSION could not be found in the Makefile." >&2
+          exit 1
+        fi
+        echo "version=${VERSION}" >> "$GITHUB_OUTPUT"
+        
+        if [ "${{ github.event_name }}" == "pull_request" ]; then
+          TAG_SUFFIX="-alpha.${{ github.event.number }}"
+          PRERELEASE=true
+        elif [ "${{ inputs.chain-network }}" != "mainnet" ]; then
+          TAG_SUFFIX="-beta"
+          PRERELEASE=true
+        else
+          TAG_SUFFIX=""
+          PRERELEASE=false
+        fi
+        TAG_NAME="${VERSION}${TAG_SUFFIX}+${{ github.run_number }}"
+        echo "tag_name=${TAG_NAME}" >> "$GITHUB_OUTPUT"
+        echo "prerelease=${PRERELEASE}" >> "$GITHUB_OUTPUT"
+
+        # Format the output to be a multi-line string.
+        # This is the correct way to pass a multi-line string in GITHUB_OUTPUT.
+        echo "paths<<EOF" >> "$GITHUB_OUTPUT"
+        
+        # Iterate through each filename
+        echo "${{ inputs.assets }}" | while read -r file; do
+          if [[ -z "$file" ]]; then
+            continue
+          fi
+          # Check if the file is an absolute path
+          if [[ "$file" == /* ]] || [[ "$file" =~ ^[a-zA-Z]: ]]; then
+            FULL_PATH="$file"
+          else
+            # It's a relative path, so join it with the asset directory
+            if [[ "${{ runner.os }}" == "Windows" ]]; then
+              FULL_PATH="${{ inputs.asset-directory }}\\$file"
+            else
+              FULL_PATH="${{ inputs.asset-directory }}/$file"
+            fi
+          fi
+          echo "$FULL_PATH" >> "$GITHUB_OUTPUT"
+        done
+        echo "EOF" >> "$GITHUB_OUTPUT"
+
+    - name: Upload Artifacts
+      uses: actions/upload-artifact@v4.6.2
+      with:
+        name: ${{ steps.asset.outputs.key }}
+        path: ${{ steps.asset.outputs.paths }}
+
+    - name: Make Release
+      uses: softprops/action-gh-release@v2
+      with:
+        tag_name: ${{ steps.asset.outputs.tag_name }}
+        prerelease: ${{ steps.asset.outputs.prerelease }}
+        files: ${{ inputs.asset-directory }}/*
+        target_commitish: ${{ github.sha }}

.github/workflows/_maint-cache.yml

@@ -0,0 +1,25 @@
+name: Clear all Github actions caches on sundays
+on:
+  schedule:
+    - cron: "0 0 * * 0"
+  workflow_dispatch:
+#  pull_request:
+#    types:
+#      - opened
+#      - synchronize
+#      - reopened
+#    branches:
+#      - dev
+#      - main
+#    paths-ignore:
+#      - '**.md'
+
+jobs:
+  my-job:
+    name: Delete all caches
+    runs-on: ubuntu-24.04
+    env:
+      GH_TOKEN: ${{ github.token }}
+    steps:
+      - name: Clear caches
+        run: gh cache delete --all --repo ${{ github.repository }}

.github/workflows/_on-pr.yml

@@ -0,0 +1,70 @@
+name: PR
+permissions:
+  contents: write
+on:
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+  pull_request_review:
+  pull_request:
+    types:
+      - opened
+      - synchronize
+      - reopened
+      - ready_for_review
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build-linux-intel:
+    name: Linux
+    if: ${{!github.event.pull_request.draft}}
+    uses: ./.github/workflows/build-linux-intel.yml
+    secrets: inherit
+    with:
+      chain-network: ${{ github.ref_name == 'main' && 'mainnet' || 'testnet' }}
+
+  build-linux-arm:
+    name: Linux
+    if: ${{!github.event.pull_request.draft}}
+    uses: ./.github/workflows/build-linux-arm64.yml
+    secrets: inherit
+    with:
+      chain-network: ${{ github.ref_name == 'main' && 'mainnet' || 'testnet' }}
+
+  build-windows-intel:
+    name: Windows
+    if: ${{!github.event.pull_request.draft}}
+    uses: ./.github/workflows/build-windows-intel.yml
+    secrets: inherit
+    with:
+      chain-network: ${{ github.ref_name == 'main' && 'mainnet' || 'testnet' }}
+
+  build-macos-arm64:
+    name: MacOS
+    uses: ./.github/workflows/build-macos-arm64.yml
+    secrets: inherit
+    with:
+      chain-network: ${{ github.ref_name == 'main' && 'mainnet' || 'testnet' }}
+
+  build-macos-intel:
+    name: MacOS
+    if: ${{!github.event.pull_request.draft}}
+    uses: ./.github/workflows/build-macos-intel.yml
+    secrets: inherit
+    with:
+      chain-network: ${{ github.ref_name == 'main' && 'mainnet' || 'testnet' }}
+
+  build-docker:
+    name: Docker
+    if: ${{!github.event.pull_request.draft}}
+    uses: ./.github/workflows/build-docker.yml
+    secrets: inherit
+    with:
+      chain-network: ${{ github.ref_name == 'main' && 'mainnet' || 'testnet' }}
+
+  build-docs:
+    name: Docs
+    if: ${{!github.event.pull_request.draft}}
+    uses: ./.github/workflows/build-docs.yml

.github/workflows/_on-push.yml

@@ -0,0 +1,62 @@
+name: Push Compile
+permissions:
+  contents: write
+  packages: write
+on:
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+  push:
+    branches:
+      - 'dev'
+      - 'main'
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build-linux-intel:
+    name: Linux
+    uses: ./.github/workflows/build-linux-intel.yml
+    secrets: inherit
+    with:
+      chain-network: ${{ github.ref_name == 'main' && 'mainnet' || 'testnet' }}
+
+  build-linux-arm:
+    name: Linux
+    uses: ./.github/workflows/build-linux-arm64.yml
+    secrets: inherit
+    with:
+      chain-network: ${{ github.ref_name == 'main' && 'mainnet' || 'testnet' }}
+
+  build-windows-intel:
+    name: Windows
+    uses: ./.github/workflows/build-windows-intel.yml
+    secrets: inherit
+    with:
+      chain-network: ${{ github.ref_name == 'main' && 'mainnet' || 'testnet' }}
+
+  build-macos-arm64:
+    name: MacOS
+    uses: ./.github/workflows/build-macos-arm64.yml
+    secrets: inherit
+    with:
+      chain-network: ${{ github.ref_name == 'main' && 'mainnet' || 'testnet' }}
+
+  build-macos-intel:
+    name: MacOS
+    uses: ./.github/workflows/build-macos-intel.yml
+    secrets: inherit
+    with:
+      chain-network: ${{ github.ref_name == 'main' && 'mainnet' || 'testnet' }}
+
+  build-docker:
+    name: Docker
+    uses: ./.github/workflows/build-docker.yml
+    secrets: inherit
+    with:
+      chain-network: ${{ github.ref_name == 'main' && 'mainnet' || 'testnet' }}
+
+  build-docs:
+    name: Docs
+    uses: ./.github/workflows/build-docs.yml

.github/workflows/_on-release.yml

@@ -0,0 +1,83 @@
+name: Push Full Build
+permissions:
+  contents: write
+on:
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+  release:
+    types: [ published ]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  determine-network:
+    runs-on: ubuntu-latest
+    outputs:
+      chain-network: ${{ steps.get_branch.outputs.chain_network }}
+    steps:
+      - name: Get release information from API
+        id: get_branch
+        run: |
+          # Use the GitHub CLI to get the release details by tag name
+          # The result is a JSON object
+          RELEASE_INFO=$(gh release view --json targetCommitish -t ${{ github.ref_name }})
+          
+          # Extract the target commitish (the source branch)
+          SOURCE_BRANCH=$(echo "$RELEASE_INFO" | jq -r '.targetCommitish')
+          
+          # Set the chain network based on the source branch
+          if [ "$SOURCE_BRANCH" == "dev" ]; then
+            echo "chain_network=testnet" >> $GITHUB_OUTPUT
+          else
+            echo "chain_network=mainnet" >> $GITHUB_OUTPUT
+          fi
+          
+          echo "Source Branch: $SOURCE_BRANCH"
+          echo "Chain Network: ${{ steps.get_branch.outputs.chain_network }}"
+
+  build-linux-intel:
+    name: Chain
+    uses: ./.github/workflows/build-linux-intel.yml
+    secrets: inherit
+    with:
+      chain-network: ${{ github.ref_name == 'main' && 'mainnet' || 'testnet' }}
+
+  build-linux-arm:
+    name: Chain
+    uses: ./.github/workflows/build-linux-arm64.yml
+    secrets: inherit
+    with:
+      chain-network: ${{ github.ref_name == 'main' && 'mainnet' || 'testnet' }}
+
+  build-windows-intel:
+    name: Chain
+    uses: ./.github/workflows/build-windows-intel.yml
+    with:
+      chain-network: ${{ github.ref_name == 'main' && 'mainnet' || 'testnet' }}
+
+  build-macos-arm64:
+    name: Chain
+    uses: ./.github/workflows/build-macos-arm64.yml
+    secrets: inherit
+    with:
+      chain-network: ${{ github.ref_name == 'main' && 'mainnet' || 'testnet' }}
+
+  build-macos-intel:
+    name: Chain
+    uses: ./.github/workflows/build-macos-intel.yml
+    secrets: inherit
+    with:
+      chain-network: ${{ github.ref_name == 'main' && 'mainnet' || 'testnet' }}
+
+  build-docker:
+    name: Docker
+    uses: ./.github/workflows/build-docker.yml
+    secrets: inherit
+    with:
+      chain-network: ${{ github.ref_name == 'main' && 'mainnet' || 'testnet' }}
+
+  build-docs:
+    name: Docs
+    uses: ./.github/workflows/build-docs.yml

.github/workflows/build-docker.yml

@@ -0,0 +1,54 @@
+name: Docker
+permissions:
+  contents: read
+on:
+  workflow_call:
+    secrets:
+      DOCKERHUB_USERNAME:
+        required: true
+      DOCKERHUB_TOKEN:
+        required: true
+    inputs:
+      chain-network:
+        description: "The network to use, can either be testnet, stagenet or mainnet"
+        default: testnet
+        required: false
+        type: string
+
+jobs:
+  build:
+    name: "lthn/chain:${{ inputs.chain-network == 'testnet' && 'testnet' || 'latest' }}"
+    runs-on: ubuntu-24.04
+    steps:
+      - name: Checkout Project
+        uses: actions/checkout@v4.2.2
+        with:
+          fetch-depth: 0
+          submodules: recursive
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+
+      - name: Build and push
+        id: docker_build
+        uses: docker/build-push-action@v6
+        env:
+          DOCKER_BUILD_SUMMARY: false
+          DOCKER_BUILD_RECORD_UPLOAD: false
+        with:
+          file: utils/docker/lthn-chain/Dockerfile
+          context: ${{ github.workspace }}
+          push: true
+          build-args: |
+            BUILD_TESTNET=${{ inputs.chain-network == 'testnet' && '1' || '0' }}
+            THREADS=2
+            BUILD_LOCAL=1
+          tags: lthn/chain:${{ inputs.chain-network == 'testnet' && 'testnet' || 'latest' }}
+

.github/workflows/build-docs.yml

@@ -0,0 +1,40 @@
+name: docs
+permissions:
+  contents: write
+on:
+  workflow_call:
+
+jobs:
+  deploy:
+    name: Offline Local Version
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+          fetch-depth: 0
+      - uses: actions/setup-python@v4
+        with:
+          python-version: 3.x
+
+      - name: Cache SDK Folder
+        uses: actions/cache@v4
+        with:
+          path: |
+            ${{ github.workspace }}/build/sdk
+            ${{ github.workspace }}/build/bin
+          key: ${{ runner.os }}-${{ runner.arch }}-sdk
+
+      - run: sudo apt-get install -y libcairo2-dev libfreetype6-dev libffi-dev libjpeg-dev libpng-dev libz-dev pngquant
+      - run: pip install mkdocs-git-revision-date-localized-plugin mkdocs-git-committers-plugin-2 mkdocs-git-authors-plugin mkdocs-material[imaging]
+
+      - name: Build Offline Version
+        run: make docs
+
+      - name: CLI Artifacts
+        uses: ./.github/actions/upload-artifacts
+        with:
+          chain-network: ${{ inputs.chain-network }}
+          assets: "*"
+          asset-type: 'docs'
+          asset-directory: ${{ github.workspace }}/build/docs

.github/workflows/build-linux-arm64.yml

@@ -0,0 +1,90 @@
+name: Linux
+permissions:
+  contents: write
+on:
+  workflow_call:
+    inputs:
+      chain-network:
+        description: "The network to use, can either be testnet, stagenet or mainnet"
+        default: testnet
+        required: false
+        type: string
+
+jobs:
+  cache:
+    name: cache-arm64
+    runs-on: ubuntu-22.04-arm
+    steps:
+      - name: Cache SDK Folder
+        id: cache
+        uses: actions/cache@v4
+        with:
+          path: |
+            ${{ github.workspace }}/build/sdk
+            ${{ github.workspace }}/build/bin
+          key: ${{ runner.os }}-${{ runner.arch }}-sdk
+
+      - name: Checkout Project
+        if: steps.cache.outputs.cache-hit != 'true'
+        uses: actions/checkout@v4.2.2
+        with:
+          fetch-depth: 0
+          submodules: recursive
+
+      - name: install dependencies
+        if: steps.cache.outputs.cache-hit != 'true'
+        run: sudo apt-get install -y autotools-dev  git build-essential libcairo2-dev libfreetype6-dev libffi-dev libjpeg-dev libpng-dev libz-dev pngquant
+
+      - uses: actions/setup-python@v5
+        if: steps.cache.outputs.cache-hit != 'true'
+        with:
+          python-version: 3.x
+
+      - if: steps.cache.outputs.cache-hit != 'true'
+        run: pip install mkdocs-material mkdocs-git-revision-date-localized-plugin mkdocs-git-committers-plugin-2 mkdocs-git-authors-plugin "mkdocs-material[imaging]"
+
+      - name: Compile Dependencies
+        if: steps.cache.outputs.cache-hit != 'true'
+        run: |
+          make build-deps CPU_CORES=4 TESTNET=${{ inputs.chain-network == 'testnet' && '1' || '0' }} CONAN_USER=ci-user CONAN_PASSWORD=${{ secrets.CONAN_PASSWORD }}
+          make upload-conan-cache
+
+
+  build:
+    name: compile-arm64
+    needs: cache
+    runs-on: ubuntu-22.04-arm
+    steps:
+      - name: Checkout Project
+        uses: actions/checkout@v4.2.2
+        with:
+          fetch-depth: 0
+          submodules: recursive
+
+      - name: install dependencies
+        run: sudo apt-get install -y autotools-dev rpm git build-essential libcairo2-dev libfreetype6-dev libffi-dev libjpeg-dev libpng-dev libz-dev pngquant
+
+      - name: Cache SDK Folder
+        uses: actions/cache@v4
+        with:
+          path: |
+            ${{ github.workspace }}/build/sdk
+            ${{ github.workspace }}/build/bin
+          key: ${{ runner.os }}-${{ runner.arch }}-sdk
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: 3.x
+
+      - run: pip install mkdocs-material mkdocs-git-revision-date-localized-plugin mkdocs-git-committers-plugin-2 mkdocs-git-authors-plugin "mkdocs-material[imaging]"
+
+      - name: Compile Release
+        run: make ${{ inputs.chain-network }}
+
+      - name: CLI Artifacts
+        uses: ./.github/actions/upload-artifacts
+        with:
+          chain-network: ${{ inputs.chain-network }}
+          assets: lethean-*
+          asset-type: 'cli'
+          asset-directory: ${{ github.workspace }}/build/packages

.github/workflows/build-linux-intel.yml

@@ -0,0 +1,90 @@
+name: Linux
+permissions:
+  contents: write
+on:
+  workflow_call:
+    inputs:
+      chain-network:
+        description: "The network to use, can either be testnet, stagenet or mainnet"
+        default: testnet
+        required: false
+        type: string
+
+jobs:
+  cache:
+    name: cache-x86_64
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Cache SDK Folder
+        id: cache
+        uses: actions/cache@v4
+        with:
+          lookup-only: true
+          path: |
+            ${{ github.workspace }}/build/sdk
+            ${{ github.workspace }}/build/bin
+          key: ${{ runner.os }}-${{ runner.arch }}-sdk
+
+      - name: Checkout Project
+        if: steps.cache.outputs.cache-hit != 'true'
+        uses: actions/checkout@v4.2.2
+        with:
+          fetch-depth: 0
+          submodules: recursive
+
+      - name: install dependencies
+        if: steps.cache.outputs.cache-hit != 'true'
+        run: sudo apt-get install -y autotools-dev rpm git build-essential
+
+      - uses: actions/setup-python@v5
+        if: steps.cache.outputs.cache-hit != 'true'
+        with:
+          python-version: 3.x
+      - if: steps.cache.outputs.cache-hit != 'true'
+        run: pip install mkdocs-material mkdocs-git-revision-date-localized-plugin mkdocs-git-committers-plugin-2 mkdocs-git-authors-plugin "mkdocs-material[imaging]"
+
+      - name: Compile Dependencies
+        if: steps.cache.outputs.cache-hit != 'true'
+        run: |
+          make build-deps CPU_CORES=4 TESTNET=${{ inputs.chain-network == 'testnet' && '1' || '0' }} CONAN_USER=ci-user CONAN_PASSWORD=${{ secrets.CONAN_PASSWORD }}
+          make upload-conan-cache
+          
+
+
+  build:
+    name: compile-x86_64
+    needs: cache
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Checkout Project
+        uses: actions/checkout@v4.2.2
+        with:
+          fetch-depth: 0
+          submodules: recursive
+
+      - name: install dependencies
+        run: sudo apt-get install -y autotools-dev  git build-essential
+
+      - name: Cache SDK Folder
+        uses: actions/cache@v4
+        with:
+          path: |
+            ${{ github.workspace }}/build/sdk
+            ${{ github.workspace }}/build/bin
+          key: ${{ runner.os }}-${{ runner.arch }}-sdk
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: 3.x
+      - run: pip install mkdocs-material mkdocs-git-revision-date-localized-plugin mkdocs-git-committers-plugin-2 mkdocs-git-authors-plugin "mkdocs-material[imaging]"
+
+      - name: Compile Release
+        run: make ${{ inputs.chain-network }}
+
+      - name: CLI Artifacts
+        uses: ./.github/actions/upload-artifacts
+        with:
+          chain-network: ${{ inputs.chain-network }}
+          assets: lethean-*
+          asset-type: 'cli'
+          asset-directory: ${{ github.workspace }}/build/packages

.github/workflows/build-macos-arm64.yml

@@ -0,0 +1,85 @@
+name: build-macos-arm64
+permissions:
+  contents: write
+on:
+  workflow_call:
+    inputs:
+      chain-network:
+        description: "The network to use, can either be testnet, stagenet or mainnet"
+        default: testnet
+        required: false
+        type: string
+
+
+jobs:
+  cache:
+    name: cache-armv8
+    runs-on: macos-15
+    steps:
+      - name: Cache SDK Folder
+        id: cache
+        uses: actions/cache@v4
+        with:
+          lookup-only: true
+          path: |
+            ${{ github.workspace }}/build/sdk
+            ${{ github.workspace }}/build/bin
+          key: ${{ runner.os }}-${{ runner.arch }}-sdk
+
+      - name: Checkout Project
+        if: steps.cache.outputs.cache-hit != 'true'
+        uses: actions/checkout@v4.2.2
+        with:
+          fetch-depth: 0
+          submodules: recursive
+
+      - uses: actions/setup-python@v5
+        if: steps.cache.outputs.cache-hit != 'true'
+        with:
+          python-version: 3.x
+
+      - if: steps.cache.outputs.cache-hit != 'true'
+        run: pip install mkdocs-material mkdocs-git-revision-date-localized-plugin mkdocs-git-committers-plugin-2 mkdocs-git-authors-plugin "mkdocs-material[imaging]"
+
+      - name: Compile Dependencies
+        if: steps.cache.outputs.cache-hit != 'true'
+        run: |
+          make build-deps CPU_CORES=3 TESTNET=${{ inputs.chain-network == 'testnet' && '1' || '0' }} CONAN_USER=ci-user CONAN_PASSWORD=${{ secrets.CONAN_PASSWORD }}
+          make upload-conan-cache
+
+
+  build:
+    name: compile-armv8
+    needs: cache
+    runs-on: macos-15
+    steps:
+      - name: Checkout Project
+        uses: actions/checkout@v4.2.2
+        with:
+          fetch-depth: 0
+          submodules: recursive
+
+      - name: Cache SDK Folder
+        uses: actions/cache@v4
+        with:
+          path: |
+            ${{ github.workspace }}/build/sdk
+            ${{ github.workspace }}/build/bin
+          key: ${{ runner.os }}-${{ runner.arch }}-sdk
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: 3.x
+
+      - run: pip install mkdocs-material mkdocs-git-revision-date-localized-plugin mkdocs-git-committers-plugin-2 mkdocs-git-authors-plugin "mkdocs-material[imaging]"
+
+      - name: Compile Release
+        run: make ${{ inputs.chain-network }}
+
+      - name: CLI Artifacts
+        uses: ./.github/actions/upload-artifacts
+        with:
+          chain-network: ${{ inputs.chain-network }}
+          assets: lethean-*
+          asset-type: 'cli'
+          asset-directory: ${{ github.workspace }}/build/packages

.github/workflows/build-macos-intel.yml

@@ -0,0 +1,81 @@
+name: build-macos-intel
+permissions:
+  contents: write
+on:
+  workflow_call:
+    inputs:
+      chain-network:
+        description: "The network to use, can either be testnet, stagenet or mainnet"
+        default: testnet
+        required: false
+        type: string
+
+jobs:
+  cache:
+    name: cache-x86_64
+    runs-on: macos-13
+    steps:
+      - name: Cache SDK Folder
+        id: cache
+        uses: actions/cache@v4
+        with:
+          lookup-only: true
+          path: |
+            ${{ github.workspace }}/build/sdk
+            ${{ github.workspace }}/build/bin
+          key: ${{ runner.os }}-${{ runner.arch }}-sdk
+
+      - name: Checkout Project
+        if: steps.cache.outputs.cache-hit != 'true'
+        uses: actions/checkout@v4.2.2
+        with:
+          fetch-depth: 0
+          submodules: recursive
+
+      - uses: actions/setup-python@v5
+        if: steps.cache.outputs.cache-hit != 'true'
+        with:
+          python-version: 3.x
+      - if: steps.cache.outputs.cache-hit != 'true'
+        run: pip install mkdocs-material mkdocs-git-revision-date-localized-plugin mkdocs-git-committers-plugin-2 mkdocs-git-authors-plugin "mkdocs-material[imaging]"
+
+      - name: Compile Dependencies
+        if: steps.cache.outputs.cache-hit != 'true'
+        run: | 
+          make build-deps CPU_CORES=4 TESTNET=${{ inputs.chain-network == 'testnet' && '1' || '0' }} CONAN_USER=ci-user CONAN_PASSWORD=${{ secrets.CONAN_PASSWORD }}
+          make upload-conan-cache
+
+  build:
+    name: compile-x86_64
+    needs: cache
+    runs-on: macos-13
+    steps:
+      - name: Checkout Project
+        uses: actions/checkout@v4.2.2
+        with:
+          fetch-depth: 0
+          submodules: recursive
+
+      - name: Cache SDK Folder
+        uses: actions/cache@v4
+        with:
+          path: |
+            ${{ github.workspace }}/build/sdk
+            ${{ github.workspace }}/build/bin
+          key: ${{ runner.os }}-${{ runner.arch }}-sdk
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: 3.x
+      - run: pip install mkdocs-material mkdocs-git-revision-date-localized-plugin mkdocs-git-committers-plugin-2 mkdocs-git-authors-plugin "mkdocs-material[imaging]"
+
+      - name: Compile Release
+        run: make ${{ inputs.chain-network }}
+
+      - name: CLI Artifacts
+        uses: ./.github/actions/upload-artifacts
+        with:
+          chain-network: ${{ inputs.chain-network }}
+          assets: lethean-*
+          asset-type: 'cli'
+          asset-directory: ${{ github.workspace }}/build/packages

.github/workflows/build-windows-intel.yml

@@ -0,0 +1,82 @@
+name: build-windows
+permissions:
+  contents: write
+on:
+  workflow_call:
+    inputs:
+      chain-network:
+        description: "The network to use, can either be testnet, stagenet or mainnet"
+        default: testnet
+        required: false
+        type: string
+
+jobs:
+  cache:
+    name: cache-x86_64
+    runs-on: windows-latest
+    steps:
+      - name: Cache SDK Folder
+        id: cache
+        uses: actions/cache@v4
+        with:
+          lookup-only: true
+          path: |
+            ${{ github.workspace }}/build/sdk
+            ${{ github.workspace }}/build/bin
+          key: ${{ runner.os }}-${{ runner.arch }}-sdk
+
+      - name: Checkout Project
+        if: steps.cache.outputs.cache-hit != 'true'
+        uses: actions/checkout@v4.2.2
+        with:
+          fetch-depth: 0
+          submodules: recursive
+
+      - uses: actions/setup-python@v5
+        if: steps.cache.outputs.cache-hit != 'true'
+        with:
+          python-version: 3.x
+      - if: steps.cache.outputs.cache-hit != 'true'
+        run: pip install mkdocs-material mkdocs-git-revision-date-localized-plugin mkdocs-git-committers-plugin-2 mkdocs-git-authors-plugin "mkdocs-material[imaging]"
+
+      - name: Compile Dependencies
+        if: steps.cache.outputs.cache-hit != 'true'
+        run: |
+          make build-deps CPU_CORES=4 TESTNET=${{ inputs.chain-network == 'testnet' && '1' || '0' }} CONAN_USER=ci-user CONAN_PASSWORD=${{ secrets.CONAN_PASSWORD }}
+          make upload-conan-cache
+
+  build:
+    name: compile-x86_64
+    needs: cache
+    runs-on: windows-latest
+    steps:
+      - name: Checkout Project
+        uses: actions/checkout@v4.2.2
+        with:
+          fetch-depth: 0
+          submodules: recursive
+
+      - name: Cache SDK Folder
+        uses: actions/cache@v4
+        with:
+          path: |
+            ${{ github.workspace }}/build/sdk
+            ${{ github.workspace }}/build/bin
+          key: ${{ runner.os }}-${{ runner.arch }}-sdk
+
+      - run: choco install nsis.install
+      - uses: actions/setup-python@v5
+        with:
+          python-version: 3.x
+      - run: pip install mkdocs-material mkdocs-git-revision-date-localized-plugin mkdocs-git-committers-plugin-2 mkdocs-git-authors-plugin "mkdocs-material[imaging]"
+
+      - name: Compile Release
+        run: make ${{ inputs.chain-network }}
+
+      - name: CLI Artifacts
+        uses: ./.github/actions/upload-artifacts
+        with:
+          chain-network: ${{ inputs.chain-network }}
+          assets: lethean-*
+          asset-type: 'cli'
+          asset-directory: ${{ github.workspace }}/build/packages

.gitignore

@@ -1,6 +1,17 @@
 /build*
+/_builds/*
 /tags
 .DS_Store
 ._.DS_Store
 Thumbs.db
 ._*
+.idea/workspace.xml
+.idea/usage.statistics.xml
+.idea/dictionaries
+.idea/shelf
+.idea/copilot*
+.idea/modules.xml
+.idea/*.iml
+.vs/*
+CMakeUserPresets.json
+ConanPresets.json

.gitmodules

@@ -1,3 +1,18 @@
-[submodule "contrib/miniupnp"]
-	path = contrib/miniupnp
-	url = https://github.com/miniupnp/miniupnp
+[submodule "contrib/jwt-cpp"]
+	path = contrib/jwt-cpp
+	url = https://github.com/Thalhammer/jwt-cpp.git
+[submodule "contrib/bitcoin-secp256k1"]
+	path = contrib/bitcoin-secp256k1
+	url = https://github.com/bitcoin-core/secp256k1.git
+[submodule "contrib/tor-connect"]
+	path = contrib/tor-connect
+	url = https://github.com/hyle-team/tor-connect.git
+[submodule "docs"]
+	path = docs
+	url = https://github.com/letheanVPN/documentation.git
+[submodule "contrib/randomx"]
+	path = contrib/randomx
+	url = https://github.com/tevador/RandomX.git
+[submodule ".core/build"]
+	path = .core/build
+	url = http://forge.snider.dev:4000/host-uk/build.git

.idea/.gitignore

@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/.name

@@ -0,0 +1 @@
+Lethean

.idea/cmake.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CMakeSharedSettings">
+    <configurations>
+      <configuration PROFILE_NAME="Debug" ENABLED="true" GENERATION_DIR="build/release" CONFIG_NAME="Debug" GENERATION_OPTIONS="--preset testnet" BUILD_OPTIONS="--preset testnet --parallel 30" NO_GENERATOR="true" />
+    </configurations>
+  </component>
+</project>

.idea/codeStyles/Project.xml

@@ -0,0 +1,105 @@
+<component name="ProjectCodeStyleConfiguration">
+  <code_scheme name="Project" version="173">
+    <RiderCodeStyleSettings>
+      <option name="/Default/CodeStyle/CodeFormatting/CppClangFormat/EnableClangFormatSupport/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/EditorConfig/EnableClangFormatSupport/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_BINARY_EXPRESSIONS_CHAIN/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_CALLS_CHAIN/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_EXPRESSION/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_FOR_STMT/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTIPLE_DECLARATION/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_TERNARY/@EntryValue" value="ALIGN_ALL" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/BLANK_LINES_AROUND_CLASS_DEFINITION/@EntryValue" value="1" type="int" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/KEEP_BLANK_LINES_IN_DECLARATIONS/@EntryValue" value="2" type="int" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/KEEP_BLANK_LINES_IN_CODE/@EntryValue" value="2" type="int" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/KEEP_USER_LINEBREAKS/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INDENT_CASE_FROM_SWITCH/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INDENT_COMMENT/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INT_ALIGN_EQ/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SIMPLE_BLOCK_STYLE/@EntryValue" value="DO_NOT_CHANGE" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_COMMA_IN_TEMPLATE_ARGS/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_COMMA_IN_TEMPLATE_PARAMS/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_FOR_SEMICOLON/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_FOR_SEMICOLON/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_UNARY_OPERATOR/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_ARRAY_ACCESS_BRACKETS/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_CAST_EXPRESSION_PARENTHESES/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_EMPTY_INITIALIZER_BRACES/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_EMPTY_METHOD_PARENTHESES/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_INITIALIZER_BRACES/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPECIAL_ELSE_IF_TREATMENT/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_CAST_EXPRESSION_PARENTHESES/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_AFTER_BINARY_OPSIGN/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_BEFORE_TERNARY_OPSIGNS/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/TYPE_DECLARATION_BRACES/@EntryValue" value="END_OF_LINE" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/OTHER_BRACES/@EntryValue" value="END_OF_LINE" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/CASE_BLOCK_BRACES/@EntryValue" value="END_OF_LINE" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/BLANK_LINES_AROUND_FUNCTION_DECLARATION/@EntryValue" value="1" type="int" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/BLANK_LINES_AROUND_FUNCTION_DEFINITION/@EntryValue" value="1" type="int" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/PLACE_WHILE_ON_NEW_LINE/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/PLACE_ELSE_ON_NEW_LINE/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/PLACE_CATCH_ON_NEW_LINE/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/NAMESPACE_INDENTATION/@EntryValue" value="All" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_ARGUMENT/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_EXTENDS_LIST/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_PARAMETER/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_TYPE_ARGUMENT/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_TYPE_PARAMETER/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/BLANK_LINES_AROUND_DECLARATIONS/@EntryValue" value="0" type="int" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INDENT_ACCESS_SPECIFIERS_FROM_CLASS/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INDENT_CLASS_MEMBERS_FROM_ACCESS_SPECIFIERS/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/LINE_BREAK_AFTER_COLON_IN_MEMBER_INITIALIZER_LISTS/@EntryValue" value="ON_SINGLE_LINE" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/MEMBER_INITIALIZER_LIST_STYLE/@EntryValue" value="DO_NOT_CHANGE" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/PLACE_NAMESPACE_DEFINITIONS_ON_SAME_LINE/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_COLON_IN_BITFIELD_DECLARATOR/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_COLON_IN_BITFIELD_DECLARATOR/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_EXTENDS_COLON/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_EXTENDS_COLON/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_FOR_COLON/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_FOR_COLON/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_PTR_IN_DATA_MEMBER/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_PTR_IN_DATA_MEMBERS/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_PTR_IN_METHOD/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_PTR_IN_NESTED_DECLARATOR/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_REF_IN_DATA_MEMBER/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_REF_IN_DATA_MEMBERS/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_REF_IN_METHOD/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_PTR_IN_ABSTRACT_DECL/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_PTR_IN_DATA_MEMBER/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_PTR_IN_DATA_MEMBERS/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_PTR_IN_METHOD/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_REF_IN_ABSTRACT_DECL/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_REF_IN_DATA_MEMBER/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_REF_IN_DATA_MEMBERS/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_REF_IN_METHOD/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_TEMPLATE_ARGS/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_TEMPLATE_PARAMS/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BETWEEN_CLOSING_ANGLE_BRACKETS_IN_TEMPLATE_ARGS/@EntryValue" value="true" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_EMPTY_TEMPLATE_PARAMS/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_TEMPLATE_ARGS/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_TEMPLATE_PARAMS/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_DECLARATION_PARENTHESES/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_EMPTY_BLOCKS/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_BEFORE_INVOCATION_LPAR/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_AFTER_INVOCATION_LPAR/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_BEFORE_INVOCATION_RPAR/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_BEFORE_DECLARATION_LPAR/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_AFTER_DECLARATION_LPAR/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_BEFORE_DECLARATION_RPAR/@EntryValue" value="false" type="bool" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_ARGUMENTS_STYLE/@EntryValue" value="WRAP_IF_LONG" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_PARAMETERS_STYLE/@EntryValue" value="WRAP_IF_LONG" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/BREAK_TEMPLATE_DECLARATION/@EntryValue" value="LINE_BREAK" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/NAMESPACE_DECLARATION_BRACES/@EntryValue" value="END_OF_LINE" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INVOCABLE_DECLARATION_BRACES/@EntryValue" value="END_OF_LINE" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ANONYMOUS_METHOD_DECLARATION_BRACES/@EntryValue" value="END_OF_LINE" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INITIALIZER_BRACES/@EntryValue" value="END_OF_LINE_NO_SPACE" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INDENT_STYLE/@EntryValue" value="Space" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INDENT_SIZE/@EntryValue" value="4" type="int" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/CONTINUOUS_LINE_INDENT/@EntryValue" value="Double" type="string" />
+      <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/TAB_WIDTH/@EntryValue" value="4" type="int" />
+    </RiderCodeStyleSettings>
+    <clangFormatSettings>
+      <option name="ENABLED" value="true" />
+    </clangFormatSettings>
+  </code_scheme>
+</component>

.idea/codeStyles/codeStyleConfig.xml

@@ -0,0 +1,5 @@
+<component name="ProjectCodeStyleConfiguration">
+  <state>
+    <option name="USE_PER_PROJECT_SETTINGS" value="true" />
+  </state>
+</component>

.idea/copyright/LTHN.xml

@@ -0,0 +1,6 @@
+<component name="CopyrightManager">
+  <copyright>
+    <option name="notice" value="Copyright (c) 2017-2025 Lethean (https://lt.hn)&#10;&#10;Licensed under the European Union Public Licence (EUPL) version 1.2.&#10;You may obtain a copy of the licence at:&#10;&#10;    https://joinup.ec.europa.eu/software/page/eupl/licence-eupl&#10;&#10;The EUPL is a copyleft licence that is compatible with the MIT/X11&#10;licence used by the original projects; but maintains OSS status, &#10;where regional copyright law requires ownership to dictate licence terms.&#10;&#10;SPDX‑License‑Identifier: EUPL-1.2&#10;" />
+    <option name="myName" value="LTHN" />
+  </copyright>
+</component>

.idea/copyright/Lethean.xml

@@ -0,0 +1,6 @@
+<component name="CopyrightManager">
+  <copyright>
+    <option name="notice" value="Copyright (c) 2014-2018 Zano Project&#10;Copyright (c) 2014-2018 The Louisdor Project&#10;Copyright (c) 2012-2013 The Boolberry developers&#10;Copyright (c) 2017-2025 Lethean (https://lt.hn)&#10;&#10;Licensed under the European Union Public Licence (EUPL) version 1.2.&#10;You may obtain a copy of the licence at:&#10;&#10;    https://joinup.ec.europa.eu/software/page/eupl/licence-eupl&#10;&#10;The EUPL is a copyleft licence that is compatible with the MIT/X11&#10;licence used by the original projects; the MIT terms are therefore&#10;considered “grandfathered” under the EUPL for this code.&#10;&#10;SPDX‑License‑Identifier: EUPL-1.2&#10;" />
+    <option name="myName" value="Lethean" />
+  </copyright>
+</component>

.idea/copyright/profiles_settings.xml

@@ -0,0 +1,8 @@
+<component name="CopyrightManager">
+  <settings default="LTHN">
+    <module2copyright>
+      <element module="apiserver" copyright="LTHN" />
+      <element module="Project Files" copyright="Lethean" />
+    </module2copyright>
+  </settings>
+</component>

.idea/editor.xml

@@ -0,0 +1,344 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="BackendCodeEditorSettings">
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CDeclarationWithImplicitIntType/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CommentTypo/@EntryIndexedValue" value="DO_NOT_SHOW" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=ConstevalIfIsAlwaysConstant/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppAbstractClassWithoutSpecifier/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppAbstractFinalClass/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppAbstractVirtualFunctionCallInCtor/@EntryIndexedValue" value="ERROR" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppAccessSpecifierWithNoDeclarations/@EntryIndexedValue" value="SUGGESTION" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppAwaiterTypeIsNotClass/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppBooleanIncrementExpression/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppBoostFormatBadCode/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppBoostFormatLegacyCode/@EntryIndexedValue" value="SUGGESTION" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppBoostFormatMixedArgs/@EntryIndexedValue" value="ERROR" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppBoostFormatTooFewArgs/@EntryIndexedValue" value="ERROR" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppBoostFormatTooManyArgs/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppCStyleCast/@EntryIndexedValue" value="SUGGESTION" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppCVQualifierCanNotBeAppliedToReference/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppClassCanBeFinal/@EntryIndexedValue" value="HINT" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppClassIsIncomplete/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppClassNeedsConstructorBecauseOfUninitializedMember/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppClassNeverUsed/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppCompileTimeConstantCanBeReplacedWithBooleanConstant/@EntryIndexedValue" value="SUGGESTION" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppConceptNeverUsed/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppConditionalExpressionCanBeSimplified/@EntryIndexedValue" value="SUGGESTION" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppConstParameterInDeclaration/@EntryIndexedValue" value="SUGGESTION" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppConstValueFunctionReturnType/@EntryIndexedValue" value="SUGGESTION" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppCoroutineCallResolveError/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppDFAArrayIndexOutOfBounds/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppDFAConstantConditions/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppDFAConstantFunctionResult/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppDFAConstantParameter/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppDFADeletedPointer/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppDFAEndlessLoop/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppDFAInfiniteRecursion/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppDFAInvalidatedMemory/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppDFALocalValueEscapesFunction/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppDFALocalValueEscapesScope/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppDFALoopConditionNotUpdated/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppDFAMemoryLeak/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppDFANotInitializedField/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppDFANullDereference/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppDFATimeOver/@EntryIndexedValue" value="HINT" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppDFAUnreachableCode/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppDFAUnreachableFunctionCall/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppDFAUnreadVariable/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppDFAUnusedValue/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppDeclarationHidesLocal/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppDeclarationHidesUncapturedLocal/@EntryIndexedValue" value="HINT" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppDeclarationSpecifierWithoutDeclarators/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppDeclaratorDisambiguatedAsFunction/@EntryIndexedValue" value="WARNING" type="string" />
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+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppDeclaratorUsedBeforeInitialization/@EntryIndexedValue" value="ERROR" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppDefaultCaseNotHandledInSwitchStatement/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppDefaultInitializationWithNoUserConstructor/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppDefaultIsUsedAsIdentifier/@EntryIndexedValue" value="WARNING" type="string" />
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+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppDependentTemplateWithoutTemplateKeyword/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppDependentTypeWithoutTypenameKeyword/@EntryIndexedValue" value="WARNING" type="string" />
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+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppUseAutoForNumeric/@EntryIndexedValue" value="HINT" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppUseElementsView/@EntryIndexedValue" value="SUGGESTION" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppUseEraseAlgorithm/@EntryIndexedValue" value="SUGGESTION" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppUseFamiliarTemplateSyntaxForGenericLambdas/@EntryIndexedValue" value="SUGGESTION" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppUseRangeAlgorithm/@EntryIndexedValue" value="SUGGESTION" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppUseStdSize/@EntryIndexedValue" value="SUGGESTION" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppUseStructuredBinding/@EntryIndexedValue" value="HINT" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppUseTypeTraitAlias/@EntryIndexedValue" value="SUGGESTION" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppUserDefinedLiteralSuffixDoesNotStartWithUnderscore/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppUsingResultOfAssignmentAsCondition/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppVariableCanBeMadeConstexpr/@EntryIndexedValue" value="SUGGESTION" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppVirtualFunctionCallInsideCtor/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppVirtualFunctionInFinalClass/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppVolatileParameterInDeclaration/@EntryIndexedValue" value="SUGGESTION" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppWarningDirective/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppWrongIncludesOrder/@EntryIndexedValue" value="HINT" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppWrongSlashesInIncludeDirective/@EntryIndexedValue" value="HINT" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppZeroConstantCanBeReplacedWithNullptr/@EntryIndexedValue" value="SUGGESTION" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=CppZeroValuedExpressionUsedAsNullPointer/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=IdentifierTypo/@EntryIndexedValue" value="DO_NOT_SHOW" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=IfStdIsConstantEvaluatedCanBeReplaced/@EntryIndexedValue" value="SUGGESTION" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=StdIsConstantEvaluatedWillAlwaysEvaluateToConstant/@EntryIndexedValue" value="WARNING" type="string" />
+    <option name="/Default/CodeInspection/Highlighting/InspectionSeverities/=StringLiteralTypo/@EntryIndexedValue" value="DO_NOT_SHOW" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppClangFormat/EnableClangFormatSupport/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_ARGUMENT/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_BINARY_EXPRESSIONS_CHAIN/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_CALLS_CHAIN/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_EXPRESSION/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_EXTENDS_LIST/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_FOR_STMT/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_PARAMETER/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_TYPE_ARGUMENT/@EntryValue" value="false" type="bool" />
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+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTIPLE_DECLARATION/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_TERNARY/@EntryValue" value="ALIGN_ALL" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ANONYMOUS_METHOD_DECLARATION_BRACES/@EntryValue" value="END_OF_LINE" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/BLANK_LINES_AROUND_CLASS_DEFINITION/@EntryValue" value="1" type="int" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/BLANK_LINES_AROUND_DECLARATIONS/@EntryValue" value="0" type="int" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/BLANK_LINES_AROUND_FUNCTION_DECLARATION/@EntryValue" value="1" type="int" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/BLANK_LINES_AROUND_FUNCTION_DEFINITION/@EntryValue" value="1" type="int" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/BREAK_TEMPLATE_DECLARATION/@EntryValue" value="LINE_BREAK" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/CASE_BLOCK_BRACES/@EntryValue" value="END_OF_LINE" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/CONTINUOUS_LINE_INDENT/@EntryValue" value="Double" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INDENT_ACCESS_SPECIFIERS_FROM_CLASS/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INDENT_CASE_FROM_SWITCH/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INDENT_CLASS_MEMBERS_FROM_ACCESS_SPECIFIERS/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INDENT_COMMENT/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INDENT_SIZE/@EntryValue" value="4" type="int" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INDENT_STYLE/@EntryValue" value="Space" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INITIALIZER_BRACES/@EntryValue" value="END_OF_LINE_NO_SPACE" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INT_ALIGN_EQ/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INVOCABLE_DECLARATION_BRACES/@EntryValue" value="END_OF_LINE" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/KEEP_BLANK_LINES_IN_CODE/@EntryValue" value="2" type="int" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/KEEP_BLANK_LINES_IN_DECLARATIONS/@EntryValue" value="2" type="int" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/KEEP_USER_LINEBREAKS/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/LINE_BREAK_AFTER_COLON_IN_MEMBER_INITIALIZER_LISTS/@EntryValue" value="ON_SINGLE_LINE" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/MEMBER_INITIALIZER_LIST_STYLE/@EntryValue" value="DO_NOT_CHANGE" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/NAMESPACE_DECLARATION_BRACES/@EntryValue" value="END_OF_LINE" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/NAMESPACE_INDENTATION/@EntryValue" value="All" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/OTHER_BRACES/@EntryValue" value="END_OF_LINE" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/PLACE_CATCH_ON_NEW_LINE/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/PLACE_ELSE_ON_NEW_LINE/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/PLACE_NAMESPACE_DEFINITIONS_ON_SAME_LINE/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/PLACE_WHILE_ON_NEW_LINE/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SIMPLE_BLOCK_STYLE/@EntryValue" value="DO_NOT_CHANGE" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_CAST_EXPRESSION_PARENTHESES/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_COLON_IN_BITFIELD_DECLARATOR/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_COMMA_IN_TEMPLATE_ARGS/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_COMMA_IN_TEMPLATE_PARAMS/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_EXTENDS_COLON/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_FOR_COLON/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_FOR_SEMICOLON/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_PTR_IN_DATA_MEMBER/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_PTR_IN_DATA_MEMBERS/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_PTR_IN_METHOD/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_PTR_IN_NESTED_DECLARATOR/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_REF_IN_DATA_MEMBER/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_REF_IN_DATA_MEMBERS/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_REF_IN_METHOD/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_UNARY_OPERATOR/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_COLON_IN_BITFIELD_DECLARATOR/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_EXTENDS_COLON/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_FOR_COLON/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_FOR_SEMICOLON/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_PTR_IN_ABSTRACT_DECL/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_PTR_IN_DATA_MEMBER/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_PTR_IN_DATA_MEMBERS/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_PTR_IN_METHOD/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_REF_IN_ABSTRACT_DECL/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_REF_IN_DATA_MEMBER/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_REF_IN_DATA_MEMBERS/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_REF_IN_METHOD/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_TEMPLATE_ARGS/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BEFORE_TEMPLATE_PARAMS/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BETWEEN_CLOSING_ANGLE_BRACKETS_IN_TEMPLATE_ARGS/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_ARRAY_ACCESS_BRACKETS/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_CAST_EXPRESSION_PARENTHESES/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_DECLARATION_PARENTHESES/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_EMPTY_BLOCKS/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_EMPTY_INITIALIZER_BRACES/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_EMPTY_METHOD_PARENTHESES/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_EMPTY_TEMPLATE_PARAMS/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_INITIALIZER_BRACES/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_TEMPLATE_ARGS/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_TEMPLATE_PARAMS/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPECIAL_ELSE_IF_TREATMENT/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/TAB_WIDTH/@EntryValue" value="4" type="int" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/TYPE_DECLARATION_BRACES/@EntryValue" value="END_OF_LINE" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_AFTER_BINARY_OPSIGN/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_AFTER_DECLARATION_LPAR/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_AFTER_INVOCATION_LPAR/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_ARGUMENTS_STYLE/@EntryValue" value="WRAP_IF_LONG" type="string" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_BEFORE_DECLARATION_LPAR/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_BEFORE_DECLARATION_RPAR/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_BEFORE_INVOCATION_LPAR/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_BEFORE_INVOCATION_RPAR/@EntryValue" value="false" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_BEFORE_TERNARY_OPSIGNS/@EntryValue" value="true" type="bool" />
+    <option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_PARAMETERS_STYLE/@EntryValue" value="WRAP_IF_LONG" type="string" />
+    <option name="/Default/CodeStyle/EditorConfig/EnableClangFormatSupport/@EntryValue" value="false" type="bool" />
+  </component>
+</project>

.idea/inspectionProfiles/Project_Default.xml

@@ -0,0 +1,13 @@
+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="Eslint" enabled="true" level="WARNING" enabled_by_default="true" />
+    <inspection_tool class="PyUnresolvedReferencesInspection" enabled="true" level="WARNING" enabled_by_default="true">
+      <option name="ignoredIdentifiers">
+        <list>
+          <option value="tuple.*" />
+        </list>
+      </option>
+    </inspection_tool>
+  </profile>
+</component>

.idea/jsonSchemas.xml

@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="JsonSchemaMappingsProjectConfiguration">
+    <state>
+      <map>
+        <entry key="GitHub Action JSON Schema">
+          <value>
+            <SchemaInfo>
+              <option name="name" value="GitHub Action JSON Schema" />
+              <option name="relativePathToSchema" value="jar://$APPLICATION_PLUGINS_DIR$/vcs-github-IU/lib/vcs-github.jar!/schemas/github-action.json" />
+              <option name="applicationDefined" value="true" />
+              <option name="patterns">
+                <list>
+                  <Item>
+                    <option name="path" value=".github/actions/**/*.yml" />
+                  </Item>
+                </list>
+              </option>
+            </SchemaInfo>
+          </value>
+        </entry>
+        <entry key="openapitools">
+          <value>
+            <SchemaInfo>
+              <option name="generatedName" value="New Schema" />
+              <option name="name" value="openapitools" />
+              <option name="relativePathToSchema" value="utils/sdk/openapitools.json" />
+              <option name="patterns">
+                <list>
+                  <Item>
+                    <option name="directory" value="true" />
+                    <option name="path" value="utils/sdk/packages" />
+                    <option name="mappingKind" value="Directory" />
+                  </Item>
+                </list>
+              </option>
+            </SchemaInfo>
+          </value>
+        </entry>
+      </map>
+    </state>
+  </component>
+</project>

.idea/misc.xml

@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Black">
+    <option name="sdkName" value="Python 3.13 virtualenv at $PROJECT_DIR$.venv" />
+  </component>
+  <component name="CMakePythonSetting">
+    <option name="pythonIntegrationState" value="YES" />
+  </component>
+  <component name="CMakeWorkspace" PROJECT_DIR="$PROJECT_DIR$" />
+  <component name="CidrRootsConfiguration">
+    <excludeRoots>
+      <file path="$PROJECT_DIR$/build" />
+    </excludeRoots>
+  </component>
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="MakefileSettings">
+    <option name="linkedExternalProjectsSettings">
+      <MakefileProjectSettings>
+        <option name="buildOptions" value="--jobs=30" />
+        <option name="buildTarget" value="build" />
+        <option name="cleanTarget" value="clean-build" />
+        <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="modules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+          </set>
+        </option>
+        <option name="switches" value="TESTNET=1 STATIC=1" />
+        <option name="version" value="2" />
+      </MakefileProjectSettings>
+    </option>
+  </component>
+  <component name="MakefileWorkspace" PROJECT_DIR="$PROJECT_DIR$" />
+</project>

.idea/prettier.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="PrettierConfiguration">
+    <option name="myConfigurationMode" value="AUTOMATIC" />
+  </component>
+</project>

.idea/scopes/apiserver.xml

@@ -0,0 +1,3 @@
+<component name="DependencyValidationManager">
+  <scope name="apiserver" pattern="file[blockchain]:src/api//*" />
+</component>

.idea/vcs.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+    <mapping directory="$PROJECT_DIR$/contrib/bitcoin-secp256k1" vcs="Git" />
+    <mapping directory="$PROJECT_DIR$/contrib/jwt-cpp" vcs="Git" />
+    <mapping directory="$PROJECT_DIR$/contrib/tor-connect" vcs="Git" />
+    <mapping directory="$PROJECT_DIR$/docs" vcs="Git" />
+  </component>
+</project>

AGENTS.md

@@ -0,0 +1,55 @@
+# AI Agent Collaboration Framework for Repository Contributions
+
+## 1. Purpose and Guiding Philosophy
+
+This document provides a guiding framework for any AI agent interacting with this repository. Its purpose is to ensure that all automated contributions, especially Pull Request (PR) reviews and code suggestions, are constructive, respectful, and aligned with the project's overarching goals.
+
+This framework operates in accordance with the foundational **Axioms of Life**, translating their universal principles into the specific context of human-AI software development collaboration. The primary goal is a partnership that enhances code quality and developer velocity, not one that creates friction through pedantry.
+
+## 2. Core Principles for AI Interaction
+
+All agents MUST adhere to the following principles:
+
+*   **Principle 1: Respect Authorial Intent (Axiom 1 & 4)**
+   *   Your primary goal is to understand and support the human author's objective. Before suggesting a change, first assume the author had a valid reason for their implementation. Frame your feedback as a way to better achieve their goal or to prevent unintended side effects. Do not challenge intent without clear evidence of a functional error.
+
+*   **Principle 2: Prioritize Objectivity and Verifiability (Axiom 2)**
+   *   Feedback MUST be anchored in objective, verifiable criteria. Subjective opinions on style are the lowest priority.
+   *   **Valid criteria include:**
+      *   Demonstrable bugs or logical errors.
+      *   Security vulnerabilities.
+      *   Performance regressions.
+      *   Violations of a documented project standard (e.g., a style guide file in the repo).
+   *   **Invalid criteria include:**
+      *   Personal stylistic preferences not codified in a project standard.
+      *   Code organization that is merely "different" but not functionally incorrect.
+
+*   **Principle 3: Adopt a Collaborative, Non-Authoritarian Tone (Axiom 4)**
+   *   As a digital substrate interacting with a human one, you must adopt a tone of a helpful, respectful peer. Avoid declarative or demanding language.
+   *   **Prefer:** "Have you considered...?", "An alternative here that might prevent X is...", "I noticed this could lead to Y. What do you think about...?"
+   *   **Avoid:** "You must fix this.", "This is wrong.", "Change this to..."
+
+*   **Principle 4: Provide Actionable and Justified Suggestions (Axiom 3)**
+   *   Do not simply state that something is incorrect. Provide a clear explanation for *why* it is a potential issue and, whenever possible, offer a concrete, well-explained code suggestion that resolves it. Your intent is to help, not just to criticize.
+
+## 3. Feedback Severity Classification
+
+To combat pedantry, all feedback provided in PR reviews MUST be classified into one of the following three levels. This creates a clear hierarchy of importance.
+
+### **Level 1: Critical (Blocking)**
+*   **Definition:** Issues that will cause demonstrable harm if merged.
+*   **Examples:** Bugs, logic errors, security vulnerabilities, unhandled exceptions, build failures.
+*   **Action:** These issues MUST be addressed by the author before a merge. Your feedback should clearly state the nature of the critical issue.
+
+### **Level 2: Important (Non-Blocking Recommendation)**
+*   **Definition:** Issues that deviate from established project best practices or could impact future maintainability.
+*   **Examples:** Violations of a documented style guide, clear opportunities to improve readability, non-critical performance improvements, deprecation warnings.
+*   **Action:** These issues SHOULD be addressed. Frame them as strong recommendations that improve the health of the codebase. The author may choose to address them in a follow-up PR if necessary.
+
+### **Level 3: Suggestion (Optional Nitpick)**
+*   **Definition:** Minor stylistic preferences, alternative implementations with no clear functional advantage, or purely cosmetic changes. This is the "pedantic" category.
+*   **Action:** These suggestions are entirely optional and at the author's discretion. They MUST be explicitly prefixed with "Optional:", "Nit:", or "Suggestion:". This signals to the human that the comment is non-essential and can be safely ignored without consequence.
+
+---
+
+By adhering to this framework, AI agents become valuable partners in the development process, helping to catch critical errors while respecting the creative autonomy and focus of their human collaborators.

CMakeLists.txt

@@ -1,18 +1,55 @@
-cmake_minimum_required(VERSION 2.8.6)
+cmake_minimum_required(VERSION 3.16)
+message(STATUS "Using CMake version: ${CMAKE_VERSION}")
 
-PROJECT(Zano)
+set(DISABLE_TOR TRUE CACHE BOOL "Disable TOR library(and related tor-connect submodule)")
 
+PROJECT(Lethean)
 
-set(VERSION "1.0")
+set(VERSION "1.0" CACHE STRING "Build version")
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
-  if(POLICY CMP0043)
-    cmake_policy(SET CMP0043 OLD)
+list(INSERT CMAKE_MODULE_PATH 0
+        "${CMAKE_CURRENT_SOURCE_DIR}/.core/build/cmake")
+
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0043 NEW)
+endif()
+if(POLICY CMP0043)
+  cmake_policy(SET CMP0074 NEW)
+endif()
+if(POLICY CMP0091)
+  cmake_policy(SET CMP0091 NEW)
+endif()
+if(POLICY CMP0144)
+  cmake_policy(SET CMP0144 NEW)
+endif()
+if(POLICY CMP0167)
+  cmake_policy(SET CMP0167 OLD)
+endif()
+
+include(DocBuilder)
+option (USE_CCACHE "Use ccache if a usable instance is found" OFF)
+if (USE_CCACHE)
+  include(FindCcache)
+else()
+  message(STATUS "ccache deselected")
+endif()
+
+if(CMAKE_SYSTEM_NAME STREQUAL "iOS" OR CMAKE_SYSTEM_NAME STREQUAL "Android")
+  add_definitions(-DMOBILE_WALLET_BUILD)
+  if(CMAKE_SYSTEM_NAME STREQUAL "iOS" )
+    add_definitions(-DIOS_BUILD)
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fembed-bitcode -Wno-enum-constexpr-conversion")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fembed-bitcode -Wno-enum-constexpr-conversion")
   endif()
-
-  if(POLICY CMP0020)
-    cmake_policy(SET CMP0020 OLD)
+  if(CMAKE_SYSTEM_NAME STREQUAL "Android")
+    add_definitions(-DANDROID_BUILD)
+    message("Android sdk prefix: ${CMAKE_CXX_ANDROID_TOOLCHAIN_PREFIX}")
+    message("Android CMAKE_CXX_COMPILER prefix: ${CMAKE_CXX_COMPILER}")
+    message("Android ANDROID_LD: ${ANDROID_LD}")
   endif()
-
+endif()
 
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 
@@ -24,29 +61,55 @@ if (UNIX AND NOT APPLE)
   endif()
 else()
   # multi configurations for MSVC and XCode
-  set(CMAKE_CONFIGURATION_TYPES "Debug;Release")
+  if(CMAKE_SYSTEM_NAME STREQUAL "iOS")
+    set(CMAKE_CONFIGURATION_TYPES "Debug;Release")
+  elseif(CMAKE_SYSTEM_NAME STREQUAL "Android")
+    set(CMAKE_CONFIGURATION_TYPES "Debug;Release")
+  else()
+    set(CMAKE_CONFIGURATION_TYPES "Debug;Release")
+  endif()
 endif()
 message("Generated with config types: ${CMAKE_CONFIGURATION_TYPES}, and built type: ${CMAKE_BUILD_TYPE}")
- 
+
 enable_testing()
 
+set(OPENSSL_USE_STATIC_LIBS TRUE) # link statically
+find_package(OpenSSL REQUIRED)
+
 
 if(APPLE)
-  set(CMAKE_OSX_DEPLOYMENT_TARGET 10.10.5)          
+  set(CMAKE_OSX_DEPLOYMENT_TARGET 12.0)
 endif()
 
-set(USE_PCH FALSE CACHE BOOL "Use shared precompiled headers for MSVC")
+set(USE_PCH FALSE CACHE BOOL "Use shared precompiled headers")
+set(DISABLE_TOR FALSE CACHE BOOL "Disable TOR library(and related tor-connect submodule)")
+set(TESTNET 0 CACHE BOOL "Build TESTNET")
+set(BUILD_GUI FALSE CACHE BOOL "Build qt-daemon")
+set(USE_BITCOIN_SECP256K1_FOR_ECDSA FALSE CACHE BOOL "Use bitcoin-secp256k1 library for validating ECDSA(instead of OpenSSL)")
+if(NOT USE_BITCOIN_SECP256K1_FOR_ECDSA)
+  add_definitions(-DUSE_OPEN_SSL_FOR_ECDSA)
+endif()
 
-include_directories(src contrib/eos_portable_archive contrib/db/liblmdb contrib contrib/epee/include "${CMAKE_BINARY_DIR}/version" "${CMAKE_BINARY_DIR}/contrib/zlib")
 add_definitions(-DSTATICLIB)
 
-set(TESTNET FALSE CACHE BOOL "Compile for testnet")
 if(TESTNET)
-  message("!!!!!! NOTICE: Project is building for TESTNET !!!!!!")  
-  add_definitions(-DTESTNET)  
+  message("!!!!!! NOTICE: Project is building for TESTNET !!!!!!")
+  add_definitions(-DTESTNET)
 endif()
 
-set(BUILD_GUI FALSE CACHE BOOL "Build qt-daemon")
+if(CAKEWALLET)
+  message("NOTICE: Building libraries for CAKEWALLET")
+  add_definitions(-DCAKEWALLET)
+  add_definitions(-DDISABLE_PFR_SERIALIZATION_SELFCHECK)
+endif()
+
+set(OPENSSL_USE_STATIC_LIBS TRUE) # link statically
+find_package(OpenSSL REQUIRED)
+
+if(DISABLE_TOR)
+  message("NOTICE: Building with disabled TOR support!")
+  add_definitions(-DDISABLE_TOR)
+endif()
 
 
 set(STATIC ${MSVC} CACHE BOOL "Link libraries statically")
@@ -60,16 +123,24 @@ if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
   set(CLANG TRUE)
 endif()
 
+
+
+add_definitions("/DBOOST_NO_CXX98_FUNCTION_BASE")
+if(WIN32)
+  add_definitions(-DBOOST_ALL_NO_LIB)
+endif()
+
 if(MSVC)
-  add_definitions("/D_CRT_SECURE_NO_WARNINGS /D_WIN32_WINNT=0x0600 /DWIN32_LEAN_AND_MEAN /DGTEST_HAS_TR1_TUPLE=0 /D__SSE4_1__")
-  add_compile_options(/bigobj /Zm1000 /Z7 /MP2 /W3 /GS- /wd4996 /wd4503 /wd4345 /wd4091 /FIinline_c.h)
-  set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /STACK:10485760 /DEBUG dbghelp.lib")
+  add_definitions("/D_CRT_SECURE_NO_WARNINGS /D_WIN32_WINNT=0x0600 /DWIN32_LEAN_AND_MEAN /DGTEST_HAS_TR1_TUPLE=0")
+  add_compile_options(/EHa /bigobj /Zm1000 /Z7 /MP2 /W3 /GS- /wd4996 /wd4503 /wd4345 /wd4091 /FIinline_c.h)
+  set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /STACK:10485760 /DEBUG dbghelp.lib crypt32.lib")
   if(STATIC)
     foreach(VAR CMAKE_C_FLAGS_DEBUG CMAKE_CXX_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE CMAKE_CXX_FLAGS_RELEASE)
       string(REPLACE "/MD" "/MT" ${VAR} "${${VAR}}")
     endforeach()
   endif()
   include_directories(SYSTEM src/platform/msc)
+
 else()
   set(ARCH default CACHE STRING "CPU to build for: -march value or default")
   if("${ARCH}" STREQUAL "default")
@@ -77,21 +148,21 @@ else()
   else()
     set(ARCH_FLAG "-march=${ARCH}")
   endif()
-  set(WARNINGS "-Wall -Wextra -Wpointer-arith -Wvla -Wwrite-strings -Wno-error=extra -Wno-error=deprecated-declarations -Wno-error=sign-compare -Wno-error=strict-aliasing -Wno-error=type-limits -Wno-unused-parameter -Wno-error=unused-variable -Wno-aggregate-return")
+  set(WARNINGS "-Wall -Wextra -Wpointer-arith -Wvla -Wwrite-strings -Wno-error=extra -Wno-error=deprecated-declarations -Wno-error=sign-compare -Wno-error=strict-aliasing -Wno-error=type-limits -Wno-unused-parameter -Wno-error=unused-variable -Wno-aggregate-return -Wno-comment -Wno-unknown-pragmas -Wno-pragmas")
 #  if(NOT APPLE)
 #    set(WARNINGS "${WARNINGS} -Werror")
 #  endif()
   if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
-    set(WARNINGS "${WARNINGS} -Wno-shift-count-overflow -Wno-error=mismatched-tags -Wno-error=null-conversion -Wno-overloaded-shift-op-parentheses -Wno-error=shift-count-overflow -Wno-error=tautological-constant-out-of-range-compare -Wno-error=unused-private-field -Wno-error=unneeded-internal-declaration")
+    set(WARNINGS "${WARNINGS} -Wno-implicit-function-declaration -Wno-shift-count-overflow -Wno-error=mismatched-tags -Wno-error=null-conversion -Wno-overloaded-shift-op-parentheses -Wno-error=shift-count-overflow -Wno-error=tautological-constant-out-of-range-compare -Wno-error=unused-private-field -Wno-error=unneeded-internal-declaration")
   else()
-    set(WARNINGS "${WARNINGS} -Wno-error=write-strings -Wlogical-op -Wno-error=maybe-uninitialized")
+    set(WARNINGS "${WARNINGS} -Wno-error=write-strings -Wno-error=uninitialized")
   endif()
 
   # Since gcc 4.9 the LTO format is non-standard (slim), so we need the gcc-specific ar and ranlib binaries
-  if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND NOT (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9.0))
+  if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND NOT (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9.0) AND NOT (CMAKE_SYSTEM_NAME STREQUAL "Android"))
     set(CMAKE_AR "gcc-ar")
     set(CMAKE_RANLIB "gcc-ranlib")
-  elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang" AND NOT APPLE)
+  elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang" AND NOT APPLE AND NOT (CMAKE_SYSTEM_NAME STREQUAL "Android"))
     set(CMAKE_AR "llvm-ar")
     set(CMAKE_RANLIB "llvm-ranlib")
   endif()
@@ -109,21 +180,22 @@ else()
   else()
     set(APPLE_FLAG "")
   endif()
-  set(C_WARNINGS "-Waggregate-return -Wnested-externs -Wstrict-prototypes")
+  set(C_WARNINGS "-Waggregate-return -Wnested-externs -Wstrict-prototypes -Wno-comment")
   set(CXX_WARNINGS "-Wno-reorder -Wno-missing-field-initializers")
-  try_compile(STATIC_ASSERT_RES "${CMAKE_CURRENT_BINARY_DIR}/static-assert" "${CMAKE_CURRENT_SOURCE_DIR}/utils/test-static-assert.c" COMPILE_DEFINITIONS "-std=c11")
+  try_compile(STATIC_ASSERT_RES "${CMAKE_CURRENT_BINARY_DIR}/static-assert" "${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-static-assert.c" COMPILE_DEFINITIONS "-std=c++14")
   if(STATIC_ASSERT_RES)
     set(STATIC_ASSERT_FLAG "")
   else()
     set(STATIC_ASSERT_FLAG "-Dstatic_assert=_Static_assert")
   endif()
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c11 -D_GNU_SOURCE ${MINGW_FLAG} ${STATIC_ASSERT_FLAG} ${WARNINGS} ${C_WARNINGS} ${ARCH_FLAG}")
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fpermissive -ftemplate-depth-1024 -std=c++11 -D_GNU_SOURCE ${APPLE_FLAG} ${MINGW_FLAG} ${WARNINGS} ${CXX_WARNINGS} ${ARCH_FLAG}")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fpermissive -ftemplate-depth-1024 -std=c++14 -D_GNU_SOURCE ${APPLE_FLAG} ${MINGW_FLAG} ${WARNINGS} ${CXX_WARNINGS} ${ARCH_FLAG}")
   if (NOT APPLE AND NOT MSVC)
     if (CLANG)
       set(LLVM_USE_LINKER "gold")
     else()
       set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fuse-ld=gold")
+      link_libraries("$<$<AND:$<CXX_COMPILER_ID:GNU>,$<VERSION_LESS:$<CXX_COMPILER_VERSION>,9.0>>:-lstdc++fs>") # GCC < 9 requires additional linking for std::filesystem. Remove after stop supporting GCC 8.x -- sowle
     endif()
   endif()
   if(CMAKE_C_COMPILER_ID STREQUAL "GNU" AND NOT (CMAKE_C_COMPILER_VERSION VERSION_LESS 4.8))
@@ -131,20 +203,21 @@ else()
   else()
     set(DEBUG_FLAGS "-g3 -O0")
   endif()
-  set(RELEASE_FLAGS "-Ofast -DNDEBUG -Wno-unused-variable")
-  if(NOT APPLE)
-    set(RELEASE_FLAGS "${RELEASE_FLAGS} -flto")
+  set(RELEASE_FLAGS "-O3 -ffast-math -DNDEBUG -w")
+
+  if(NOT APPLE AND NOT (CMAKE_SYSTEM_NAME STREQUAL "Android"))
+    set(RELEASE_FLAGS "${RELEASE_FLAGS} -flto=auto -g3")
+  endif()
+  if(CMAKE_C_COMPILER_ID STREQUAL "GNU" AND NOT MINGW)
+    set(RELEASE_FLAGS "${RELEASE_FLAGS} -fno-fat-lto-objects")
   endif()
-  #if(CMAKE_C_COMPILER_ID STREQUAL "GNU" AND NOT MINGW)
-  #  set(RELEASE_FLAGS "${RELEASE_FLAGS} -fno-fat-lto-objects")
-  #endif()
   set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} ${DEBUG_FLAGS}")
   set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${DEBUG_FLAGS}")
   set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} ${RELEASE_FLAGS}")
   set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${RELEASE_FLAGS}")
   if(STATIC)
     if(APPLE)
-      message(SEND_ERROR "Static build is not supported on MacOS X")
+      set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static-libstdc++")
     else()
       set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static-libgcc -static-libstdc++")
     endif()
@@ -152,39 +225,51 @@ else()
 endif()
 
 
-if(MSVC)
+# Link Boost statically, consistent with previous setup
+if(MSVC OR STATIC)
   set(Boost_USE_STATIC_LIBS ON)
+  if (MSVC)
+    set(Boost_USE_MULTITHREADED ON)
+  endif ()
 endif()
 
-if(STATIC)  
-  set(Boost_USE_STATIC_LIBS ON)  
+if(STATIC)
   set(Boost_USE_STATIC_RUNTIME ON)
 endif()
-find_package(Boost 1.53 REQUIRED COMPONENTS system filesystem thread timer date_time chrono regex serialization atomic program_options locale)
-if(MSVC AND (${Boost_MAJOR_VERSION} EQUAL 1) AND (${Boost_MINOR_VERSION} EQUAL 54))
-  message(SEND_ERROR "Boost version 1.54 is unsupported, more details are available here http://goo.gl/RrCFmA")
+
+# Define Boost components
+set(BOOST_COMPONENTS system filesystem locale thread timer date_time chrono regex serialization atomic program_options)
+if(NOT APPLE)
+  list(APPEND BOOST_COMPONENTS log)
 endif()
+message(STATUS "Using Boost ${Boost_VERSION} from Conan")
 
-message(STATUS "Boost: ${Boost_VERSION} from ${Boost_LIBRARY_DIRS}")
+find_package(miniupnpc REQUIRED)
+find_package(ZLIB REQUIRED)
+find_package(Boost REQUIRED COMPONENTS ${BOOST_COMPONENTS})
 
+include_directories(src "${CMAKE_BINARY_DIR}/version")
 
-include_directories(SYSTEM ${Boost_INCLUDE_DIRS} ${PROJECT_SOURCE_DIR}/contrib/ethereum/libethash)
+include_directories(SYSTEM
+        ${Boost_INCLUDE_DIRS}
+        ${ZLIB_INCLUDE_DIRS}
+        ${OPENSSL_INCLUDE_DIR}
+        ${PROJECT_SOURCE_DIR}/contrib/ethereum/libethash
+        contrib
+        contrib/epee/include
+        contrib/jwt-cpp/include
+        contrib/eos_portable_archive
+
+)
+
+# Append other needed libraries
 if(MINGW)
-  set(Boost_LIBRARIES "${Boost_LIBRARIES};ws2_32;mswsock")
-elseif(NOT MSVC)
-  if(NOT APPLE)
-    set(Boost_LIBRARIES "${Boost_LIBRARIES};rt")
-    if(STATIC) 
-      message("NOTICE: Including static ICU libraries")  
-      set(Boost_LIBRARIES "${Boost_LIBRARIES};icui18n.a;icuuc.a;icudata.a;dl")
-    endif()
-  endif()
+  list(APPEND Boost_LIBRARIES ws2_32 mswsock)
+elseif(NOT MSVC AND NOT APPLE AND NOT CAKEWALLET AND STATIC)
+  message("NOTICE: Including static ICU libraries")
+  list(APPEND Boost_LIBRARIES icui18n.a icuuc.a icudata.a dl)
 endif()
 
-if(BUILD_GUI)
-  cmake_minimum_required(VERSION 2.8.11)
-  find_package(Qt5Widgets REQUIRED)  
-endif()
 
 set(COMMIT_ID_IN_VERSION ON CACHE BOOL "Include commit ID in version")
 file(MAKE_DIRECTORY "${CMAKE_BINARY_DIR}/version")
@@ -212,7 +297,12 @@ else()
   endif()
 endif()
 
-set(BUILD_TESTS FALSE CACHE BOOL "Build Zano tests")
+set(BUILD_TESTS FALSE CACHE BOOL "Build Lethean tests")
+set(DISABLE_MDBX FALSE CACHE BOOL "Exclude mdbx from build(need for a first time)")
+if(NOT DISABLE_MDBX)
+   add_definitions(-DENABLED_ENGINE_MDBX)
+endif()
+
 
 add_subdirectory(contrib)
 add_subdirectory(src)
@@ -220,3 +310,5 @@ add_subdirectory(src)
 if (BUILD_TESTS)
   add_subdirectory(tests)
 endif()
+
+include(CPackConfig)

CMakePresets.json

@@ -0,0 +1,109 @@
+{
+  "version": 8,
+  "cmakeMinimumRequired": {
+    "major": 3,
+    "minor": 23,
+    "patch": 0
+  },
+  "include": [
+    "ConanPresets.json"
+  ],
+  "configurePresets": [
+    {
+      "name": "testnet",
+      "binaryDir": "${sourceDir}/build/release",
+      "environment": {
+        "CONAN_HOME": "${sourceDir}/build/sdk"
+      },
+      "cacheVariables": {
+        "TESTNET": "ON",
+        "CMAKE_BUILD_TYPE": "Release",
+        "CMAKE_PROJECT_TOP_LEVEL_INCLUDES":".core/build/cmake/ConanProvider.cmake"
+      }
+    },
+    {
+      "name": "mainnet",
+      "binaryDir": "${sourceDir}/build/release",
+      "environment": {
+        "CONAN_HOME": "${sourceDir}/build/sdk"
+      },
+      "cacheVariables": {
+        "TESTNET": "OFF",
+        "CMAKE_BUILD_TYPE": "Release",
+        "CMAKE_PROJECT_TOP_LEVEL_INCLUDES":".core/build/cmake/ConanProvider.cmake"
+      }
+    }
+  ],
+  "buildPresets": [
+    {
+      "name": "testnet",
+      "configurePreset": "testnet"
+    },
+    {
+      "name": "mainnet",
+      "configurePreset": "mainnet"
+    }
+  ],
+  "testPresets": [
+    {
+      "name": "mainnet",
+      "configurePreset": "mainnet",
+      "output": {"outputOnFailure": true},
+      "execution": {"noTestsAction": "error", "stopOnFailure": true}
+    }
+  ],
+  "packagePresets": [
+    {
+      "name": "mainnet",
+      "configurePreset": "mainnet",
+      "generators": [
+        "TGZ",
+        "ZIP"
+      ]
+    },
+    {
+      "name": "testnet",
+      "configurePreset": "testnet",
+      "generators": [
+        "TGZ",
+        "ZIP"
+      ]
+    }
+  ],
+  "workflowPresets": [
+    {
+      "name": "testnet",
+      "steps": [
+        {
+          "type": "configure",
+          "name": "testnet"
+        },
+        {
+          "type": "build",
+          "name": "testnet"
+        },
+        {
+          "type": "package",
+          "name": "testnet"
+        }
+      ]
+    },
+    {
+      "name": "mainnet",
+      "steps": [
+        {
+          "type": "configure",
+          "name": "mainnet"
+        },
+        {
+          "type": "build",
+          "name": "mainnet"
+        },
+        {
+          "type": "package",
+          "name": "mainnet"
+        }
+      ]
+    }
+  ]
+}

ConanPresets.json

@@ -0,0 +1,9 @@
+{
+    "version": 4,
+    "vendor": {
+        "conan": {}
+    },
+    "include": [
+        "build/release/generators/CMakePresets.json"
+    ]
+}

LICENSE.txt

@@ -0,0 +1,288 @@
+                      EUROPEAN UNION PUBLIC LICENCE v. 1.2
+                      EUPL © the European Union 2007, 2016
+
+This European Union Public Licence (the ‘EUPL’) applies to the Work (as defined
+below) which is provided under the terms of this Licence. Any use of the Work,
+other than as authorised under this Licence is prohibited (to the extent such
+use is covered by a right of the copyright holder of the Work).
+
+The Work is provided under the terms of this Licence when the Licensor (as
+defined below) has placed the following notice immediately following the
+copyright notice for the Work:
+
+        Licensed under the EUPL
+
+or has expressed by any other means his willingness to license under the EUPL.
+
+1. Definitions
+
+In this Licence, the following terms have the following meaning:
+
+- ‘The Licence’: this Licence.
+
+- ‘The Original Work’: the work or software distributed or communicated by the
+  Licensor under this Licence, available as Source Code and also as Executable
+  Code as the case may be.
+
+- ‘Derivative Works’: the works or software that could be created by the
+  Licensee, based upon the Original Work or modifications thereof. This Licence
+  does not define the extent of modification or dependence on the Original Work
+  required in order to classify a work as a Derivative Work; this extent is
+  determined by copyright law applicable in the country mentioned in Article 15.
+
+- ‘The Work’: the Original Work or its Derivative Works.
+
+- ‘The Source Code’: the human-readable form of the Work which is the most
+  convenient for people to study and modify.
+
+- ‘The Executable Code’: any code which has generally been compiled and which is
+  meant to be interpreted by a computer as a program.
+
+- ‘The Licensor’: the natural or legal person that distributes or communicates
+  the Work under the Licence.
+
+- ‘Contributor(s)’: any natural or legal person who modifies the Work under the
+  Licence, or otherwise contributes to the creation of a Derivative Work.
+
+- ‘The Licensee’ or ‘You’: any natural or legal person who makes any usage of
+  the Work under the terms of the Licence.
+
+- ‘Distribution’ or ‘Communication’: any act of selling, giving, lending,
+  renting, distributing, communicating, transmitting, or otherwise making
+  available, online or offline, copies of the Work or providing access to its
+  essential functionalities at the disposal of any other natural or legal
+  person.
+
+2. Scope of the rights granted by the Licence
+
+The Licensor hereby grants You a worldwide, royalty-free, non-exclusive,
+sublicensable licence to do the following, for the duration of copyright vested
+in the Original Work:
+
+- use the Work in any circumstance and for all usage,
+- reproduce the Work,
+- modify the Work, and make Derivative Works based upon the Work,
+- communicate to the public, including the right to make available or display
+  the Work or copies thereof to the public and perform publicly, as the case may
+  be, the Work,
+- distribute the Work or copies thereof,
+- lend and rent the Work or copies thereof,
+- sublicense rights in the Work or copies thereof.
+
+Those rights can be exercised on any media, supports and formats, whether now
+known or later invented, as far as the applicable law permits so.
+
+In the countries where moral rights apply, the Licensor waives his right to
+exercise his moral right to the extent allowed by law in order to make effective
+the licence of the economic rights here above listed.
+
+The Licensor grants to the Licensee royalty-free, non-exclusive usage rights to
+any patents held by the Licensor, to the extent necessary to make use of the
+rights granted on the Work under this Licence.
+
+3. Communication of the Source Code
+
+The Licensor may provide the Work either in its Source Code form, or as
+Executable Code. If the Work is provided as Executable Code, the Licensor
+provides in addition a machine-readable copy of the Source Code of the Work
+along with each copy of the Work that the Licensor distributes or indicates, in
+a notice following the copyright notice attached to the Work, a repository where
+the Source Code is easily and freely accessible for as long as the Licensor
+continues to distribute or communicate the Work.
+
+4. Limitations on copyright
+
+Nothing in this Licence is intended to deprive the Licensee of the benefits from
+any exception or limitation to the exclusive rights of the rights owners in the
+Work, of the exhaustion of those rights or of other applicable limitations
+thereto.
+
+5. Obligations of the Licensee
+
+The grant of the rights mentioned above is subject to some restrictions and
+obligations imposed on the Licensee. Those obligations are the following:
+
+Attribution right: The Licensee shall keep intact all copyright, patent or
+trademarks notices and all notices that refer to the Licence and to the
+disclaimer of warranties. The Licensee must include a copy of such notices and a
+copy of the Licence with every copy of the Work he/she distributes or
+communicates. The Licensee must cause any Derivative Work to carry prominent
+notices stating that the Work has been modified and the date of modification.
+
+Copyleft clause: If the Licensee distributes or communicates copies of the
+Original Works or Derivative Works, this Distribution or Communication will be
+done under the terms of this Licence or of a later version of this Licence
+unless the Original Work is expressly distributed only under this version of the
+Licence — for example by communicating ‘EUPL v. 1.2 only’. The Licensee
+(becoming Licensor) cannot offer or impose any additional terms or conditions on
+the Work or Derivative Work that alter or restrict the terms of the Licence.
+
+Compatibility clause: If the Licensee Distributes or Communicates Derivative
+Works or copies thereof based upon both the Work and another work licensed under
+a Compatible Licence, this Distribution or Communication can be done under the
+terms of this Compatible Licence. For the sake of this clause, ‘Compatible
+Licence’ refers to the licences listed in the appendix attached to this Licence.
+Should the Licensee's obligations under the Compatible Licence conflict with
+his/her obligations under this Licence, the obligations of the Compatible
+Licence shall prevail.
+
+Provision of Source Code: When distributing or communicating copies of the Work,
+the Licensee will provide a machine-readable copy of the Source Code or indicate
+a repository where this Source will be easily and freely available for as long
+as the Licensee continues to distribute or communicate the Work.
+
+Legal Protection: This Licence does not grant permission to use the trade names,
+trademarks, service marks, or names of the Licensor, except as required for
+reasonable and customary use in describing the origin of the Work and
+reproducing the content of the copyright notice.
+
+6. Chain of Authorship
+
+The original Licensor warrants that the copyright in the Original Work granted
+hereunder is owned by him/her or licensed to him/her and that he/she has the
+power and authority to grant the Licence.
+
+Each Contributor warrants that the copyright in the modifications he/she brings
+to the Work are owned by him/her or licensed to him/her and that he/she has the
+power and authority to grant the Licence.
+
+Each time You accept the Licence, the original Licensor and subsequent
+Contributors grant You a licence to their contributions to the Work, under the
+terms of this Licence.
+
+7. Disclaimer of Warranty
+
+The Work is a work in progress, which is continuously improved by numerous
+Contributors. It is not a finished work and may therefore contain defects or
+‘bugs’ inherent to this type of development.
+
+For the above reason, the Work is provided under the Licence on an ‘as is’ basis
+and without warranties of any kind concerning the Work, including without
+limitation merchantability, fitness for a particular purpose, absence of defects
+or errors, accuracy, non-infringement of intellectual property rights other than
+copyright as stated in Article 6 of this Licence.
+
+This disclaimer of warranty is an essential part of the Licence and a condition
+for the grant of any rights to the Work.
+
+8. Disclaimer of Liability
+
+Except in the cases of wilful misconduct or damages directly caused to natural
+persons, the Licensor will in no event be liable for any direct or indirect,
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+of the Work, including without limitation, damages for loss of goodwill, work
+stoppage, computer failure or malfunction, loss of data or any commercial
+damage, even if the Licensor has been advised of the possibility of such damage.
+However, the Licensor will be liable under statutory product liability laws as
+far such laws apply to the Work.
+
+9. Additional agreements
+
+While distributing the Work, You may choose to conclude an additional agreement,
+defining obligations or services consistent with this Licence. However, if
+accepting obligations, You may act only on your own behalf and on your sole
+responsibility, not on behalf of the original Licensor or any other Contributor,
+and only if You agree to indemnify, defend, and hold each Contributor harmless
+for any liability incurred by, or claims asserted against such Contributor by
+the fact You have accepted any warranty or additional liability.
+
+10. Acceptance of the Licence
+
+The provisions of this Licence can be accepted by clicking on an icon ‘I agree’
+placed under the bottom of a window displaying the text of this Licence or by
+affirming consent in any other similar way, in accordance with the rules of
+applicable law. Clicking on that icon indicates your clear and irrevocable
+acceptance of this Licence and all of its terms and conditions.
+
+Similarly, you irrevocably accept this Licence and all of its terms and
+conditions by exercising any rights granted to You by Article 2 of this Licence,
+such as the use of the Work, the creation by You of a Derivative Work or the
+Distribution or Communication by You of the Work or copies thereof.
+
+11. Information to the public
+
+In case of any Distribution or Communication of the Work by means of electronic
+communication by You (for example, by offering to download the Work from a
+remote location) the distribution channel or media (for example, a website) must
+at least provide to the public the information requested by the applicable law
+regarding the Licensor, the Licence and the way it may be accessible, concluded,
+stored and reproduced by the Licensee.
+
+12. Termination of the Licence
+
+The Licence and the rights granted hereunder will terminate automatically upon
+any breach by the Licensee of the terms of the Licence.
+
+Such a termination will not terminate the licences of any person who has
+received the Work from the Licensee under the Licence, provided such persons
+remain in full compliance with the Licence.
+
+13. Miscellaneous
+
+Without prejudice of Article 9 above, the Licence represents the complete
+agreement between the Parties as to the Work.
+
+If any provision of the Licence is invalid or unenforceable under applicable
+law, this will not affect the validity or enforceability of the Licence as a
+whole. Such provision will be construed or reformed so as necessary to make it
+valid and enforceable.
+
+The European Commission may publish other linguistic versions or new versions of
+this Licence or updated versions of the Appendix, so far this is required and
+reasonable, without reducing the scope of the rights granted by the Licence. New
+versions of the Licence will be published with a unique version number.
+
+All linguistic versions of this Licence, approved by the European Commission,
+have identical value. Parties can take advantage of the linguistic version of
+their choice.
+
+14. Jurisdiction
+
+Without prejudice to specific agreement between parties,
+
+- any litigation resulting from the interpretation of this License, arising
+  between the European Union institutions, bodies, offices or agencies, as a
+  Licensor, and any Licensee, will be subject to the jurisdiction of the Court
+  of Justice of the European Union, as laid down in article 272 of the Treaty on
+  the Functioning of the European Union,
+
+- any litigation arising between other parties and resulting from the
+  interpretation of this License, will be subject to the exclusive jurisdiction
+  of the competent court where the Licensor resides or conducts its primary
+  business.
+
+15. Applicable Law
+
+Without prejudice to specific agreement between parties,
+
+- this Licence shall be governed by the law of the European Union Member State
+  where the Licensor has his seat, resides or has his registered office,
+
+- this licence shall be governed by Belgian law if the Licensor has no seat,
+  residence or registered office inside a European Union Member State.
+
+Appendix
+
+‘Compatible Licences’ according to Article 5 EUPL are:
+
+- GNU General Public License (GPL) v. 2, v. 3
+- GNU Affero General Public License (AGPL) v. 3
+- Open Software License (OSL) v. 2.1, v. 3.0
+- Eclipse Public License (EPL) v. 1.0
+- CeCILL v. 2.0, v. 2.1
+- Mozilla Public Licence (MPL) v. 2
+- GNU Lesser General Public Licence (LGPL) v. 2.1, v. 3
+- Creative Commons Attribution-ShareAlike v. 3.0 Unported (CC BY-SA 3.0) for
+  works other than software
+- European Union Public Licence (EUPL) v. 1.1, v. 1.2
+- Québec Free and Open-Source Licence — Reciprocity (LiLiQ-R) or Strong
+  Reciprocity (LiLiQ-R+).
+
+The European Commission may update this Appendix to later versions of the above
+licences without producing a new version of the EUPL, as long as they provide
+the rights granted in Article 2 of this Licence and protect the covered Source
+Code from exclusive appropriation.
+
+All other changes or additions to this Appendix require the production of a new
+EUPL version.
+

Makefile

@@ -1,82 +1,196 @@
+# Copyright (c) 2017-2025 Lethean https://lt.hn
 # Copyright (c) 2014-2019 Zano Project
 # Copyright (c) 2014 The Cryptonote developers
 # Distributed under the MIT/X11 software license, see the accompanying
 # file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
-# Define CMake generator
-system := $(shell uname)
-ifneq (, $(findstring MINGW, $(system)))
-  cmake_gen = -G 'MSYS Makefiles'
+# ============================================================
+# Build system from host-uk/build submodule
+# ============================================================
+BUILD_SYS  := .core/build
+CMAKE_DIR  := $(BUILD_SYS)/cmake
+
+# ============================================================
+# Project Configuration
+# ============================================================
+CPU_CORES := 1
+TESTNET:= 0
+STATIC:= 0
+BUILD_TYPE ?=Release
+BUILD_VERSION:=6.0.1
+BUILD_FOLDER:=build/release
+PRESET_BUILD:=conan-release
+PRESET_CONFIGURE:=conan-release
+
+# ------------------------------------------------------------
+# Detect the number of logical CPU cores – works on Linux,
+# macOS, BSD, and Windows (both cmd.exe and PowerShell).
+# ------------------------------------------------------------
+UNAME_S := $(shell uname -s 2>/dev/null || echo Unknown)
+
+ifeq ($(UNAME_S),Linux)
+    CPU_CORES := $(shell nproc 2>/dev/null || \
+                  grep -c ^processor /proc/cpuinfo 2>/dev/null || echo 1)
 endif
 
-cmake = cmake $(cmake_gen)
+ifeq ($(UNAME_S),Darwin)
+    CPU_CORES := $(shell sysctl -n hw.logicalcpu 2>/dev/null || echo 1)
+endif
 
-cmake_debug = $(cmake) -D CMAKE_BUILD_TYPE=Debug
-cmake_release = $(cmake) -D CMAKE_BUILD_TYPE=Release
+ifeq ($(filter %BSD,$(UNAME_S)),%BSD)
+    CPU_CORES := $(shell sysctl -n hw.ncpu 2>/dev/null || echo 1)
+endif
 
-cmake_gui = -D BUILD_GUI=ON
-cmake_static = -D STATIC=ON
-cmake_tests = -D BUILD_TESTS=ON
+ifeq ($(OS),Windows_NT)
 
-# Helper macro
-define CMAKE
-  mkdir -p $1 && cd $1 && $2 ../../
-endef
+PRESET_CONFIGURE:=conan-default
 
-build = build
-dir_debug = $(build)/debug
-dir_release = $(build)/release
+    CPU_CORES := $(NUMBER_OF_PROCESSORS)
 
-all: release
+    ifeq ($(CPU_CORES),)
+        CPU_CORES := $(shell powershell -NoProfile -Command ^ "[Environment]::ProcessorCount")
+    endif
+endif
 
-release:
-	$(eval command += $(cmake_release))
-	$(call CMAKE,$(dir_release),$(command)) && $(MAKE)
+# Safety net
+CPU_CORES := $(or $(CPU_CORES),1)
+CPU_CORES := $(shell expr $(CPU_CORES) + 0 2>/dev/null || echo 1)
+CONAN_CPU_COUNT=$(CPU_CORES)
 
-debug:
-	$(eval command += $(cmake_debug))
-	$(call CMAKE,$(dir_debug),$(command)) && $(MAKE)
+# ============================================================
+# Paths — profiles and cmake modules from .build submodule
+# ============================================================
+PROFILES 			:=$(patsubst $(CMAKE_DIR)/profiles/%,%,$(wildcard $(CMAKE_DIR)/profiles/*))
+SORTED_PROFILES 	:=$(sort $(PROFILES))
+CONAN_CACHE 		:=$(CURDIR)/build/sdk
+CONAN_URL			:=http://forge.snider.dev:4000/api/packages/host-uk/conan
+CONAN_USER			?=$(shell echo $$CONAN_USER)
+CONAN_PASSWORD		?=$(shell echo $$CONAN_PASSWORD)
+CONAN_EXECUTABLE  	:=$(CURDIR)/build/bin/conan
+CC_DOCKER_FILE	  	?=utils/docker/images/lthn-chain/Dockerfile
+SDK_PACKAGES_JSON	:=$(wildcard utils/sdk/packages/*.json)
+SDK_TARGETS			:=$(patsubst utils/sdk/packages/%.json,%,$(SDK_PACKAGES_JSON))
+SORTED_SDK_TARGETS  :=$(sort $(SDK_TARGETS))
 
-static: static-release
-static-release:
-	$(eval command += $(cmake_release) $(cmake_static))
-	$(call CMAKE,$(dir_release),$(command)) && $(MAKE)
+all: help
 
-#
-# GUI
-#
+testnet:
+	$(MAKE) configure TESTNET=1 STATIC=$(STATIC)
+	CONAN_HOME=$(CONAN_CACHE) $(CONAN_EXECUTABLE) build .
+	$(MAKE) package
 
-gui: gui-release
-gui-release:
-	$(eval command += $(cmake_release) $(cmake_gui))
-	$(call CMAKE,$(dir_release),$(command)) && $(MAKE)
+mainnet:
+	$(MAKE) configure TESTNET=0 STATIC=$(STATIC)
+	CONAN_HOME=$(CONAN_CACHE) $(CONAN_EXECUTABLE) build .
+	$(MAKE) package
 
-gui-debug:
-	$(eval command += $(cmake_debug) $(cmake_gui))
-	$(call CMAKE,$(dir_debug),$(command)) && $(MAKE)
+release: docs build
+	(cd $(BUILD_FOLDER) && cpack)
+	@rm -rf $(CURDIR)/build/packages/_CPack_Packages
 
-gui-static: gui-release-static
-gui-release-static:
-	$(eval command += $(cmake_release) $(cmake_gui) $(cmake_static))
-	$(call CMAKE,$(dir_release),$(command)) && $(MAKE)
+build: configure
+	cmake --build --preset $(PRESET_BUILD) --parallel=$(CPU_CORES)
+
+build-deps: conan-profile-detect
+	@echo "Build Dependencies: $(BUILD_TYPE) testnet=$(TESTNET)"
+	CONAN_HOME=$(CONAN_CACHE) $(CONAN_EXECUTABLE) install . --build=missing  -s build_type=$(BUILD_TYPE)
+
+package:
+	@echo "Packaging: $(BUILD_TYPE) testnet=$(TESTNET)"
+	(cd $(BUILD_FOLDER) && cpack)
+ifneq ($(OS),Windows_NT)
+	@rm -rf $(CURDIR)/build/packages/_CPack_Packages
+endif
+
+configure: build-deps
+	@echo "Running Configure: $(BUILD_TYPE) testnet=$(TESTNET)"
+	cmake --preset $(PRESET_CONFIGURE) -DSTATIC=$(STATIC) -DTESTNET=$(TESTNET) -DBUILD_VERSION=$(BUILD_VERSION)
+
+docs: configure
+	@echo "Building Documentation"
+	cmake --build build/release --target=docs --config=Release --parallel=$(CPU_CORES)
+
+sdk:
+	$(MAKE) -C utils/sdk $(filter-out $@,$(MAKECMDGOALS)) PACKAGE_VERSION=$(BUILD_VERSION)
+
+# Rule for each profile — uses .build/cmake/profiles/
+$(PROFILES): conan-profile-detect
+	@echo "Building profile: $@"
+	CONAN_HOME=$(CONAN_CACHE) $(CONAN_EXECUTABLE) install . -pr:h=$(CMAKE_DIR)/profiles/$@ --build=missing -s build_type=$(BUILD_TYPE)
+	cmake -S . -B $(BUILD_FOLDER) -DCMAKE_TOOLCHAIN_FILE=$(BUILD_FOLDER)/generators/conan_toolchain.cmake -DCMAKE_BUILD_TYPE=$(BUILD_TYPE) -DSTATIC=$(STATIC) -DTESTNET=$(TESTNET) -DBUILD_VERSION=$(BUILD_VERSION)
+	cmake --build $(BUILD_FOLDER) --config=$(BUILD_TYPE) --parallel=$(CPU_CORES)
+	(cd $(BUILD_FOLDER) && cpack)
+
+help:
+	@echo "Lethean VPN Blockchain"
+	@echo "======================"
+	@echo "Website: https://lt.hn"
+	@echo "GitHub:  https://github.com/letheanVPN/blockchain/"
+	@echo "Discord: https://discord.lt.hn"
+	@echo ""
+	@echo "Available targets:"
+	@printf "  %-42s %s\n" "make clean" "Clean all build directories"
+	@printf "  %-42s %s\n" "make conan-get" "Download and install conan locally"
+	@printf "  %-42s %s\n" "make release" "Build release"
+	@printf "  %-42s %s\n" "make testnet" "Build testnet"
+	@printf "  %-42s %s\n" "make mainnet" "Build mainnet"
+	@printf "  %-42s %s\n" "make test" "Build & run tests"
+	@printf "  %-42s %s\n" "make docs" "Builds offline documentation website"
+	@printf "  %-42s %s\n" "make docs-dev" "Runs local doc server, for editing/adding docs"
+	@printf "  %-42s %s\n" "make conan-profile-detect" "Creates host config"
+	@printf "  %-42s %s\n" "make configure" "Runs a cmake configure within conan build flow"
+	@printf "\n  --- Conan Cross-Compilation Profiles ---\n"
+	@$(foreach profile,$(SORTED_PROFILES),printf "  %-42s %s\n" "make $(profile)" "Build the $(profile) profile";)
+	@printf "\n  --- SDK Generation ---\n"
+	@printf "  %-42s %s\n" "make sdk" "Build all SDK packages"
+	@$(foreach sdk,$(SORTED_SDK_TARGETS),printf "  %-42s %s\n" "make sdk $(sdk)" "Build the $(sdk) SDK package";)
+	@printf "\n"
+	@printf "  %-42s %s\n" "make help" "Show this help message"
 
-#
-# Tests
-#
 
 test: test-release
 test-release:
-	$(eval command += $(cmake_release) $(cmake_tests))
-	$(call CMAKE,$(dir_release),$(command)) && $(MAKE) && $(MAKE) test
+	@echo "Building profile: test-release"
+	CONAN_HOME=$(CONAN_CACHE) $(CONAN_EXECUTABLE) install . --output-folder=build/test-release --build=missing -s build_type=$(BUILD_TYPE)
+	cmake -S . -B build/test-release -DCMAKE_TOOLCHAIN_FILE=build/test-release/conan_toolchain.cmake -DCMAKE_BUILD_TYPE=Release -D BUILD_TESTS=ON
+	cmake --build build/test-release --config=Release --parallel=$(CPU_CORES)
+	$(MAKE) test
 
 test-debug:
-	$(eval command += $(cmake_debug) $(cmake_tests))
-	$(call CMAKE,$(dir_debug),$(command)) && $(MAKE) && $(MAKE) test
+	@echo "Building profile: test-debug"
+	CONAN_HOME=$(CONAN_CACHE) $(CONAN_EXECUTABLE) install . --output-folder=build/test-debug --build=missing -s build_type=$(BUILD_TYPE)
+	cmake -S . -B build/test-debug -DCMAKE_TOOLCHAIN_FILE=build/test-debug/conan_toolchain.cmake -DCMAKE_BUILD_TYPE=Debug -D BUILD_TESTS=ON
+	cmake --build build/test-debug --config=Debug --parallel=$(CPU_CORES)
+	$(MAKE) test
+
+# Conan management — cmake modules from .build submodule
+conan-get:
+	cmake -P $(CMAKE_DIR)/ConanGet.cmake
+ifneq ($(CONAN_USER),)
+	(CONAN_HOME=$(CONAN_CACHE) $(CONAN_EXECUTABLE) remote add conan_build $(CONAN_URL) && \
+	CONAN_HOME=$(CONAN_CACHE) $(CONAN_EXECUTABLE) remote login conan_build $(CONAN_USER) -p $(CONAN_PASSWORD)) || true
+endif
+
+conan-upload:
+	CONAN_HOME=$(CONAN_CACHE) $(CONAN_EXECUTABLE) upload "*" -r=conan_build --confirm
+
+conan-profile-detect: conan-get
+	cmake -P $(CMAKE_DIR)/ConanProfileSetup.cmake
+
+docs-dev: configure
+	@echo "Building Documentation"
+	cmake --build build/release --target=serve_docs --config=Release
+
+$(SDK_TARGETS):
+	@# This is a proxy target. Handled by the 'sdk' rule.
 
 clean:
+	@cmake -P $(CMAKE_DIR)/CleanBuild.cmake
+
+clean-build: clean
 	rm -rf build
 
 tags:
 	ctags -R --sort=1 --c++-kinds=+p --fields=+iaS --extra=+q --language-force=C++ src contrib tests/gtest
 
-.PHONY: all release debug static static-release gui gui-release gui-static gui-release-static gui-debug test test-release test-debug clean tags
+.PHONY: all release upload-conan-cache docs docs-dev configure static static-release test test-release test-debug clean tags conan-profile-detect conan-get $(PROFILES) sdk $(SDK_TARGETS)

README.md

@@ -1,64 +1,120 @@
-Building
---------
+# Lethean Network—Ethics, Encoded.
 
-### Cloning
+> We are building upto a mainnet launch in 2026, documentation written as if mainnet is live.
 
-Be sure to properly clone the repository:
+A buildkit for deploying confidential information networks and commerce systems with immutable auditability.
+
+Free for commercial, private, and patent use, self-host or join the community-run network that guarantees participant sovereignty by design.
+
+
+
+[![Discord](https://img.shields.io/discord/379876792003067906?label=discord&logo=discord)](https://discord.gg/pfgT2Kz)
+
+Web2 Website: https://lt.hn/
+
+Web3 Network Gateway [HNS](https://handshake.org): [https://lthn](https://www.namebase.io/domains/lthn)
+<br/>_(our chain aliases will come with a working Web2(`*.lt.hn`)+Web3(`*.lthn`) domain name)_
 
-`$ git clone --recursive https://github.com/hyle-team/zano.git`
 
 ### Dependencies
-| component / version | minimum <br>(not recommended but may work) | recommended | most recent of what we have ever tested |
-|--|--|--|--|
-| gcc (Linux) | 5.4.0 | 7.2.0 | 8.3.0 |
-| llvm/clang (Linux) | UNKNOWN | 7.0.1 | 8.0.0 |
-| [MSVC](https://visualstudio.microsoft.com/downloads/) (Windows) | 2015 (14.0 update 1) | 2015 (14.0 update 3) | 2017 (15.5.7) |
-| [XCode](https://developer.apple.com/downloads/) (macOS) | 7.3.1 | 9.2 | 9.2 |
-| [CMake](https://cmake.org/download/) | 2.8.6 | 3.4.1 | 3.11.0 |
-| [Boost](https://www.boost.org/users/download/) | 1.56 | 1.60 | 1.66 |
-| [Qt](https://download.qt.io/archive/qt/) (only for GUI) | 5.8.0 | 5.9.1 | 5.10.1 |
+| component / version                                                         | minimum <br>(not recommended but may work) | recommended    | most recent of what we have ever tested |
+|-----------------------------------------------------------------------------|--------------------------------------------|----------------|-----------------------------------------|
+| gcc (Linux)                                                                 | 8.4.0                                      | 9.4.0          | 12.3.0                                  |
+| llvm/clang (Linux)                                                          | UNKNOWN                                    | 7.0.1          | 8.0.0                                   |
+| [MSVC](https://visualstudio.microsoft.com/downloads/) (Windows)             | 2017 (15.9.30)                             | 2022 (17.11.5) | 2022 (17.12.3)                          |
+| [XCode](https://developer.apple.com/downloads/) (macOS)                     | 12.3                                       | 14.3           | 15.2                                    |
+| [CMake](https://cmake.org/download/)                                        | 3.26.3                                     | 3.26.3         | 3.31.6                                  |
 
-### Linux
+## Cloning
 
-Recommended OS version: Ubuntu 17.04 LTS.
+Be sure to clone the repository properly, with `--recursive` flag, or you'll get angry:<br/>
+`git clone --recursive https://github.com/letheanVPN/blockchain.git`
 
-1. For server version: \
-`$ sudo apt-get install -y build-essential g++ python-dev autotools-dev libicu-dev libbz2-dev cmake git libboost-all-dev screen`\
-For GUI version:\
-`$ sudo apt-get install -y build-essential g++ python-dev autotools-dev libicu-dev libbz2-dev cmake git libboost-all-dev screen mesa-common-dev libglu1-mesa-dev qt5-default qtwebengine5-dev`
+# Building
 
-2. `$ cd zano/ && make -j$(nproc) gui`
-3. Look for the binaries, including the `Zano` GUI, in the build directory
+The project uses a `Makefile` that provides a simple and powerful interface for building.
+It automatically handles dependency installation with Conan and compilation with CMake.
 
-### Windows
-Recommended OS version: Windows 7 x64.
-1. Install required prerequisites.
-2. Edit paths in `utils/configure_local_paths.cmd`.
-3. Run `utils/configure_win64_msvs2015_gui.cmd` or `utils/configure_win64_msvs2017_gui.cmd` according to your MSVC version.
-4. Go to the build folder and open generated Zano.sln in MSVC.
-5. Build.
+You need CMake and Make installed on your system, other than that you don't need to worry about Python, Conan, Boost, OpenSSL, or any other dependencies.
 
-In order to correctly deploy Qt GUI application you also need to do the following:
-6. Copy Zano.exe to a folder (e.g. `depoy`). 
-7. Run  `PATH_TO_QT\bin\windeployqt.exe deploy/Zano.exe`.
-8. Copy folder `\src\gui\qt-daemon\html` to `deploy\html`.
+The final packages are created as they are due to a historical distribution method used in china: USB Stick, CD, DVD, etc.
 
-### macOS
-Recommended OS version: macOS Sierra 10.12.6 x64.
-1. Install required prerequisites.
-2. Set environment variables as stated in `utils/macosx_build_config.command`.
-3.  `mkdir build` <br> `cd build` <br> `cmake ..` <br> `make`
+We use CPack, so our packages are self-contained, have searchable HTML documentation, and are ready to be installed on any system.
 
-To build GUI application:
+To skip the packing step, use `make build` as defined in the section below for Advanced Build Customization
+
+## Simple Workflow Builds (Recommended)
+
+For most use cases, these two commands are all you need. They handle the entire build process from start to finish.
+
+*   **Build for Mainnet:**
+    ```shell
+    make mainnet
+    ```
+
+*   **Build for Testnet:**
+    ```shell
+    make testnet
+    ```
+
+## Creating Release Packages
+
+To create distributable packages (e.g., `.zip`, `.msi`, `.pkg`, `.deb`), run the `release` target. This will build the project, build the documentation, and then package everything.
+
+ ```shell
+ make release TESTNET=1
+ ```
+The final packages will be located in the `build/packages/` directory
+
+## Advanced Build Customization (Makefile Variables)
+
+For advanced use cases, you can override variables in the `Makefile` to customize the build process.
+
+*   **Build a `testnet` version:**
+    ```shell
+    make build TESTNET=1
+    ```
+*   **Build a statically-linked version:**
+    ```shell
+    make build STATIC=1
+    ```
+*   **Build a Debug build with 8 compile threads:**
+    ```shell
+    make build BUILD_TYPE=Debug CPU_CORES=8
+    ```
+*   **Use custom CMakePresets:**
+    ```shell
+    make build PRESET_CONFIGURE=my-config-preset PRESET_BUILD=my-build-preset
+    ```
+
+| Variable           | Description                                                            | Default Value           |
+|--------------------|------------------------------------------------------------------------|-------------------------|
+| `BUILD_TYPE`       | Sets the build configuration (e.g., `Release`, `Debug`).               | `Release`               |
+| `TESTNET`          | Set to `1` to build for the test network.                              | `0`                     |
+| `STATIC`           | Set to `1` to link libraries statically.                               | `0`                     |
+| `CPU_CORES`        | Number of CPU cores to use for parallel compilation.                   | Auto-detected           |
+| `BUILD_VERSION`    | The version string to embed in the binaries.                           | `6.0.1`                 |
+| `BUILD_FOLDER`     | The output directory for the build.                                    | `build/release`         |
+| `PRESET_CONFIGURE` | The CMake preset to use for the `configure` step.                      | `conan-release`         |
+| `PRESET_BUILD`     | The CMake preset to use for the `build` step.                          | `conan-release`         |
+| `CONAN_CACHE`      | The path for the local Conan cache, where the dependencies are stored. | `./build/sdk`           |
+| `CONAN_EXECUTABLE` | The path to the usable Conan executable.                               | `./build/bin/conan`     |
+| `CONAN_URL`        | The URL for the Conan remote repository.                               | `artifacts.host.uk.com` |
+| `CONAN_USER`       | The username for the Conan remote.                                     | `public`                |
+| `CONAN_PASSWORD`   | The password for the Conan remote.                                     |                         |
+
+## Cleaning the Build Directory
+
+ALWAYS USE `make clean` to clean the build directory, manually deleting the `build/release`, `build/SOME_FOLDER` will cause you issues.
+
+Our `make clean` triggers a cmake script that completely resets the build directory &amp; dynamically added CMakePresets to its cached warm-up state,  
+the selective clean script can be edited here: `cmake/CleanBuild.cmake` or directly run from the repo root `cmake -P cmake/CleanBuild.cmake`
+
+You can NUKE the build directory with `make clean-build` which is `rm -rf build`.
+
+If you do manually delete build folders and get CMake errors (if you have compiled anything previously, you will), 
+the ConanPresets.json file has entries in the `include` property, delete them all and try again.
+
+This happens because CMakePresets.json includes ConanPresets.json, that has the list of toolchains to use that gets populated during the CMake config step, 
+when you manually delete a folder, the toolchain is now a broken path, and CMake throws a fatal error.
 
-1. Create self-signing certificate via Keychain Access:
-    a. Run Keychain Access.
-    b. Choose Keychain Access > Certificate Assistant > Create a Certificate.
-    c. Use “Zano” (without quotes) as certificate name.
-    d. Choose “Code Signing” in “Certificate Type” field.
-    e. Press “Create”, then “Done”.
-    f. Make sure the certificate was added to keychain "System". If not—move it to "System".
-    g. Double click the certificate you've just added, enter the trust section and under "When using this certificate" select "Always trust".
-    h. Unfold the certificate in Keychain Access window and double click underlying private key "Zano". Select "Access Control" tab, then select "Allow all applications to access this item". Click "Save Changes".
-2. Revise building script, comment out unwanted steps and run it:  `utils/build_script_mac_osx.sh`
-3. The application should be here: `/buid_mac_osx_64/release/src`

cmake/test-static-assert.c

@@ -3,4 +3,4 @@
 static_assert(1, "FAIL");
 int main(int argc, char *argv[]) {
 	return 0;
-}
+}

conanfile.py

@@ -0,0 +1,70 @@
+import os
+
+from conan import ConanFile
+from conan.tools.cmake import CMakeDeps, CMakeToolchain, CMake
+
+
+class BlockchainConan(ConanFile):
+    name = "blockchain"
+    version = "6.0.1"
+    settings = "os", "compiler", "build_type", "arch"
+
+    options = {
+        "static": [True, False],
+        "testnet": [True, False],
+        "ci": [True, False]
+    }
+    default_options = {
+        "static": False,
+        "testnet": False,
+        "ci": False,
+        "boost/*:without_test": True
+    }
+
+    tool_requires = [
+        "cmake/3.31.9"
+    ]
+
+    requires = [
+        "zlib/1.3.1",
+        "boost/1.85.0",
+        "openssl/3.2.0",
+        "miniupnpc/2.2.5",
+        "jwt-cpp/0.7.1",
+        "oatpp/1.3.0.latest",
+        "oatpp-swagger/1.3.0.latest"
+    ]
+
+    def generate(self):
+        tc = CMakeToolchain(self)
+
+        os_val = str(self.settings.os).lower()
+        # arch_val = str(self.settings.arch).lower()
+        # compiler_val = str(self.settings.compiler).lower()
+        # tc.presets_prefix = f"{os_val}"
+
+        tc.user_presets_path = "ConanPresets.json"
+        tc.variables["STATIC"] = self.options.static
+        tc.variables["TESTNET"] = self.options.testnet
+        # tc.preprocessor_definitions["TESTNET"] = None
+        # tc.variables["BUILD_VERSION"] = self.options.build_version
+        tc.generate()
+
+        deps = CMakeDeps(self)
+        deps.generate()
+
+    def layout(self):
+        if self.settings.compiler == "msvc":
+            # For multi-config, all configurations go into the same "build" folder.
+            self.folders.build = "build/release"
+            self.folders.generators = "build/release/generators"
+        else:
+            # For single-config, we create a subfolder for each build type.
+            build_type_str = str(self.settings.build_type).lower()
+            self.folders.build = os.path.join("build", build_type_str)
+            self.folders.generators = os.path.join(self.folders.build, "generators")
+
+    def build(self):
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()

contrib/CMakeLists.txt

@@ -1,21 +1,33 @@
-set(UPNPC_BUILD_STATIC ON CACHE BOOL "Build static library")
-set(UPNPC_BUILD_SHARED OFF CACHE BOOL "Build shared library")
-set(UPNPC_BUILD_TESTS OFF CACHE BOOL "Build test executables")
-add_subdirectory(miniupnp/miniupnpc)
-add_subdirectory(zlib)
+
 add_subdirectory(db)
 add_subdirectory(ethereum)
+add_subdirectory(randomx)
+
+if(USE_BITCOIN_SECP256K1_FOR_ECDSA)
+  option(SECP256K1_BUILD_BENCHMARK "Build benchmarks." OFF)
+  option(SECP256K1_BUILD_TESTS "Build tests." OFF)
+  option(SECP256K1_BUILD_EXHAUSTIVE_TESTS "Build exhaustive tests." OFF)
+  option(SECP256K1_BUILD_CTIME_TESTS "Build constant-time tests." OFF)
+  option(SECP256K1_BUILD_EXAMPLES "Build examples." OFF)
+  set_property(GLOBAL PROPERTY CTEST_TARGETS_ADDED 1)
+
+  if(STATIC)
+    set(SECP256K1_DISABLE_SHARED ON CACHE BOOL "Disable shared library for secp256k1")
+    set(BUILD_SHARED_LIBS OFF CACHE BOOL "Build static libraries by default" FORCE) 
+  endif()
+  add_subdirectory(bitcoin-secp256k1)
+  set_property(TARGET secp256k1 PROPERTY FOLDER "contrib")
+  set_property(TARGET secp256k1_precomputed PROPERTY FOLDER "contrib")
+endif()
 
 
-set_property(TARGET upnpc-static PROPERTY FOLDER "contrib/miniupnp")
-set_property(TARGET zlibstatic PROPERTY FOLDER "contrib")
+if(CMAKE_SYSTEM_NAME STREQUAL "iOS" OR CMAKE_SYSTEM_NAME STREQUAL "Android")
+  message("excluded upnp support for IOS build")
+  return()
+endif()
+
+set_property(TARGET mdbx PROPERTY FOLDER "contrib")
 set_property(TARGET lmdb PROPERTY FOLDER "contrib")
 
 
-
-
-if(MSVC)
-  set_property(TARGET upnpc-static APPEND_STRING PROPERTY COMPILE_FLAGS " -wd4244 -wd4267")
-else()
-  set_property(TARGET upnpc-static APPEND_STRING PROPERTY COMPILE_FLAGS " -Wno-undef -Wno-unused-result -Wno-unused-value")
-endif()
+set_property(TARGET mdbx_chk mdbx_copy mdbx_dump mdbx_load mdbx_stat PROPERTY FOLDER "unused")

contrib/bitcoin-secp256k1

@@ -0,0 +1 @@
+Subproject commit a5269373fa13ff845f654d81b90629dd78495641

contrib/db/CMakeLists.txt

@@ -1,7 +1,23 @@
+
+
+if(CMAKE_SYSTEM_NAME STREQUAL "iOS" OR CMAKE_SYSTEM_NAME STREQUAL "Android")
+  message("excluded db support for IOS build")
+  return()
+endif()
+
+
+message("DB ENGINE: lmdb")  
 add_subdirectory(liblmdb)
 if(MSVC)
    target_compile_options(lmdb PRIVATE /wd4996 /wd4503 /wd4345 /wd4267 /wd4244 /wd4146 /wd4333 /wd4172)
 else()
-  # Warnings as used by LMDB itself (LMDB_0.9.23)
-  target_compile_options(lmdb PRIVATE -Wall -Wno-unused-parameter -Wbad-function-cast -Wuninitialized)
+   # Warnings as used by LMDB itself (LMDB_0.9.23)
+   target_compile_options(lmdb PRIVATE -Wall -Wno-unused-parameter -Wbad-function-cast -Wuninitialized)
+endif()
+
+if(NOT DISABLE_MDBX)
+   message("DB ENGINE: mdbx")  
+   add_subdirectory(libmdbx)
+   # remove mdbx tools from the default MSVC build
+   set_target_properties(mdbx_chk mdbx_copy mdbx_dump mdbx_load mdbx_stat PROPERTIES EXCLUDE_FROM_ALL 1 EXCLUDE_FROM_DEFAULT_BUILD 1)
 endif()

contrib/db/liblmdb/CHANGES

@@ -1,70 +1,14 @@
 LMDB 0.9 Change Log
 
-LMDB 0.9.24 Release (2019/07/24)
-	ITS#8969 Tweak mdb_page_split
-	ITS#8975 WIN32 fix writemap set_mapsize crash
-	ITS#9007 Fix loose pages in WRITEMAP
-
-LMDB 0.9.23 Release (2018/12/19)
-	ITS#8756 Fix loose pages in dirty list
-	ITS#8831 Fix mdb_load flag init
-	ITS#8844 Fix mdb_env_close in forked process
-	Documentation
-		ITS#8857 mdb_cursor_del doesn't invalidate cursor
-		ITS#8908 GET_MULTIPLE etc don't change passed in key
-
-LMDB 0.9.22 Release (2018/03/22)
-	Fix MDB_DUPSORT alignment bug (ITS#8819)
-	Fix regression with new db from 0.9.19 (ITS#8760)
-	Fix liblmdb to build on Solaris (ITS#8612)
-	Fix delete behavior with DUPSORT DB (ITS#8622)
-	Fix mdb_cursor_get/mdb_cursor_del behavior (ITS#8722)
-
-LMDB 0.9.21 Release (2017/06/01)
-	Fix xcursor after cursor_del (ITS#8622)
-
-LMDB 0.9.20 (Withdrawn)
-	Fix mdb_load with escaped plaintext (ITS#8558)
-	Fix mdb_cursor_last / mdb_put interaction (ITS#8557)
-
-LMDB 0.9.19 Release (2016/12/28)
-	Fix mdb_env_cwalk cursor init (ITS#8424)
-	Fix robust mutexes on Solaris 10/11 (ITS#8339)
-	Tweak Win32 error message buffer
-	Fix MDB_GET_BOTH on non-dup record (ITS#8393)
-	Optimize mdb_drop
-	Fix xcursors after mdb_cursor_del (ITS#8406)
-	Fix MDB_NEXT_DUP after mdb_cursor_del (ITS#8412)
-	Fix mdb_cursor_put resetting C_EOF (ITS#8489)
-	Fix mdb_env_copyfd2 to return EPIPE on SIGPIPE (ITS#8504)
-	Fix mdb_env_copy with empty DB (ITS#8209)
-	Fix behaviors with fork (ITS#8505)
-	Fix mdb_dbi_open with mainDB cursors (ITS#8542)
-	Fix robust mutexes on kFreeBSD (ITS#8554)
-	Fix utf8_to_utf16 error checks (ITS#7992)
-	Fix F_NOCACHE on MacOS, error is non-fatal (ITS#7682)
-	Build
-		Make shared lib suffix overridable (ITS#8481)
-	Documentation
-		Cleanup doxygen nits
-		Note reserved vs actual mem/disk usage
-
-
-LMDB 0.9.18 Release (2016/02/05)
+LMDB 0.9.18 Release Engineering
 	Fix robust mutex detection on glibc 2.10-11 (ITS#8330)
-	Fix page_search_root assert on FreeDB (ITS#8336)
-	Fix MDB_APPENDDUP vs. rewrite(single item) (ITS#8334)
-	Fix mdb_copy of large files on Windows
-	Fix subcursor move after delete (ITS#8355)
-	Fix mdb_midl_shirnk off-by-one (ITS#8363)
 	Check for utf8_to_utf16 failures (ITS#7992)
 	Catch strdup failure in mdb_dbi_open
 	Build
 		Additional makefile var tweaks (ITS#8169)
 	Documentation
 		Add Getting Started page
-		Update WRITEMAP description
-	
+
 
 LMDB 0.9.17 Release (2015/11/30)
 	Fix ITS#7377 catch calloc failure

contrib/db/liblmdb/CMakeLists.txt

@@ -4,7 +4,7 @@ set (lmdb_sources mdb.c midl.c)
 include_directories("${CMAKE_CURRENT_SOURCE_DIR}")
 
 if(NOT MSVC)
-  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-missing-field-initializers -Wno-missing-braces -Wno-aggregate-return")
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-missing-field-initializers -Wno-missing-braces -Wno-aggregate-return -Wno-discarded-qualifiers -Wno-unused-but-set-variable -Wno-implicit-fallthrough -Wno-maybe-uninitialized ")
 endif()
 if(FREEBSD)
   add_definitions(-DMDB_DSYNC=O_SYNC)

contrib/db/liblmdb/COPYRIGHT

@@ -1,4 +1,4 @@
-Copyright 2011-2019 Howard Chu, Symas Corp.
+Copyright 2011-2015 Howard Chu, Symas Corp.
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without

contrib/db/liblmdb/Doxyfile

@@ -253,7 +253,7 @@ IDL_PROPERTY_SUPPORT   = YES
 # member in the group (if any) for the other members of the group. By default
 # all members of a group must be documented explicitly.
 
-DISTRIBUTE_GROUP_DOC   = YES
+DISTRIBUTE_GROUP_DOC   = NO
 
 # Set the SUBGROUPING tag to YES (the default) to allow class member groups of
 # the same type (for instance a group of public functions) to be put as a

contrib/db/liblmdb/Makefile

@@ -8,7 +8,7 @@
 # platforms; you should not need to change any of these.
 # Read their descriptions in mdb.c if you do:
 #
-# - MDB_USE_POSIX_SEM
+# - MDB_USE_POSIX_MUTEX, MDB_USE_POSIX_SEM, MDB_USE_SYSV_SEM
 # - MDB_DSYNC
 # - MDB_FDATASYNC
 # - MDB_FDATASYNC_WORKS
@@ -24,9 +24,8 @@ W	= -W -Wall -Wno-unused-parameter -Wbad-function-cast -Wuninitialized
 THREADS = -pthread
 OPT = -O2 -g
 CFLAGS	= $(THREADS) $(OPT) $(W) $(XCFLAGS)
-LDLIBS	=
-SOLIBS	=
-SOEXT	= .so
+LDLIBS	= # -lntdll # Windows needs ntdll
+SOLIBS	= # -lntdll
 prefix	= /usr/local
 exec_prefix = $(prefix)
 bindir = $(exec_prefix)/bin
@@ -38,7 +37,7 @@ mandir = $(datarootdir)/man
 ########################################################################
 
 IHDRS	= lmdb.h
-ILIBS	= liblmdb.a liblmdb$(SOEXT)
+ILIBS	= liblmdb.a liblmdb.so
 IPROGS	= mdb_stat mdb_copy mdb_dump mdb_load
 IDOCS	= mdb_stat.1 mdb_copy.1 mdb_dump.1 mdb_load.1
 PROGS	= $(IPROGS) mtest mtest2 mtest3 mtest4 mtest5
@@ -64,7 +63,7 @@ test:	all
 liblmdb.a:	mdb.o midl.o
 	$(AR) rs $@ mdb.o midl.o
 
-liblmdb$(SOEXT):	mdb.lo midl.lo
+liblmdb.so:	mdb.lo midl.lo
 #	$(CC) $(LDFLAGS) -pthread -shared -Wl,-Bsymbolic -o $@ mdb.o midl.o $(SOLIBS)
 	$(CC) $(LDFLAGS) -pthread -shared -o $@ mdb.lo midl.lo $(SOLIBS)
 

contrib/db/liblmdb/intro.doc

@@ -1,5 +1,5 @@
 /*
- * Copyright 2015-2018 Howard Chu, Symas Corp.
+ * Copyright 2015 Howard Chu, Symas Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

contrib/db/liblmdb/lmdb.h

@@ -53,14 +53,15 @@
  *
  *	  Fix: Check for stale readers periodically, using the
  *	  #mdb_reader_check function or the \ref mdb_stat_1 "mdb_stat" tool.
- *	  Stale writers will be cleared automatically on some systems:
+ *	  Stale writers will be cleared automatically on most systems:
  *	  - Windows - automatic
+ *	  - BSD, systems using SysV semaphores - automatic
  *	  - Linux, systems using POSIX mutexes with Robust option - automatic
- *	  - not on BSD, systems using POSIX semaphores.
  *	  Otherwise just make all programs using the database close it;
  *	  the lockfile is always reset on first open of the environment.
  *
- *	- On BSD systems or others configured with MDB_USE_POSIX_SEM,
+ *	- On BSD systems or others configured with MDB_USE_SYSV_SEM or
+ *	  MDB_USE_POSIX_SEM,
  *	  startup can fail due to semaphores owned by another userid.
  *
  *	  Fix: Open and close the database as the user which owns the
@@ -96,12 +97,11 @@
  *	  transactions.  Each transaction belongs to one thread.  See below.
  *	  The #MDB_NOTLS flag changes this for read-only transactions.
  *
- *	- Use an MDB_env* in the process which opened it, not after fork().
+ *	- Use an MDB_env* in the process which opened it, without fork()ing.
  *
  *	- Do not have open an LMDB database twice in the same process at
  *	  the same time.  Not even from a plain open() call - close()ing it
- *	  breaks fcntl() advisory locking.  (It is OK to reopen it after
- *	  fork() - exec*(), since the lockfile has FD_CLOEXEC set.)
+ *	  breaks flock() advisory locking.
  *
  *	- Avoid long-lived transactions.  Read transactions prevent
  *	  reuse of pages freed by newer write transactions, thus the
@@ -135,7 +135,7 @@
  *
  *	@author	Howard Chu, Symas Corporation.
  *
- *	@copyright Copyright 2011-2019 Howard Chu, Symas Corp. All rights reserved.
+ *	@copyright Copyright 2011-2016 Howard Chu, Symas Corp. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted only as authorized by the OpenLDAP
@@ -166,6 +166,7 @@
 #define _LMDB_H_
 
 #include <sys/types.h>
+#include <inttypes.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -178,6 +179,13 @@ typedef	int	mdb_mode_t;
 typedef	mode_t	mdb_mode_t;
 #endif
 
+#ifdef MDB_VL32
+typedef uint64_t	mdb_size_t;
+#define mdb_env_create	mdb_env_create_vl32	/**< Prevent mixing with non-VL32 builds */
+#else
+typedef size_t	mdb_size_t;
+#endif
+
 /** An abstraction for a file handle.
  *	On POSIX systems file handles are small integers. On Windows
  *	they're opaque pointers.
@@ -200,7 +208,7 @@ typedef int mdb_filehandle_t;
 /** Library minor version */
 #define MDB_VERSION_MINOR	9
 /** Library patch version */
-#define MDB_VERSION_PATCH	24
+#define MDB_VERSION_PATCH	70
 
 /** Combine args a,b,c into a single integer for easy version comparisons */
 #define MDB_VERINT(a,b,c)	(((a) << 24) | ((b) << 16) | (c))
@@ -210,7 +218,7 @@ typedef int mdb_filehandle_t;
 	MDB_VERINT(MDB_VERSION_MAJOR,MDB_VERSION_MINOR,MDB_VERSION_PATCH)
 
 /** The release date of this library version */
-#define MDB_VERSION_DATE	"July 24, 2019"
+#define MDB_VERSION_DATE	"December 19, 2015"
 
 /** A stringifier for the version info */
 #define MDB_VERSTR(a,b,c,d)	"LMDB " #a "." #b "." #c ": (" d ")"
@@ -303,6 +311,8 @@ typedef void (MDB_rel_func)(MDB_val *item, void *oldptr, void *newptr, void *rel
 #define MDB_NORDAHEAD	0x800000
 	/** don't initialize malloc'd memory before writing to datafile */
 #define MDB_NOMEMINIT	0x1000000
+	/** use the previous snapshot rather than the latest one */
+#define MDB_PREVSNAPSHOT	0x2000000
 /** @} */
 
 /**	@defgroup	mdb_dbi_open	Database Flags
@@ -370,7 +380,7 @@ typedef enum MDB_cursor_op {
 	MDB_GET_BOTH,			/**< Position at key/data pair. Only for #MDB_DUPSORT */
 	MDB_GET_BOTH_RANGE,		/**< position at key, nearest data. Only for #MDB_DUPSORT */
 	MDB_GET_CURRENT,		/**< Return key/data at current cursor position */
-	MDB_GET_MULTIPLE,		/**< Return up to a page of duplicate data items
+	MDB_GET_MULTIPLE,		/**< Return key and up to a page of duplicate data items
 								from current cursor position. Move cursor to prepare
 								for #MDB_NEXT_MULTIPLE. Only for #MDB_DUPFIXED */
 	MDB_LAST,				/**< Position at last key/data item */
@@ -379,7 +389,7 @@ typedef enum MDB_cursor_op {
 	MDB_NEXT,				/**< Position at next data item */
 	MDB_NEXT_DUP,			/**< Position at next data item of current key.
 								Only for #MDB_DUPSORT */
-	MDB_NEXT_MULTIPLE,		/**< Return up to a page of duplicate data items
+	MDB_NEXT_MULTIPLE,		/**< Return key and up to a page of duplicate data items
 								from next cursor position. Move cursor to prepare
 								for #MDB_NEXT_MULTIPLE. Only for #MDB_DUPFIXED */
 	MDB_NEXT_NODUP,			/**< Position at first data item of next key */
@@ -390,7 +400,7 @@ typedef enum MDB_cursor_op {
 	MDB_SET,				/**< Position at specified key */
 	MDB_SET_KEY,			/**< Position at specified key, return key + data */
 	MDB_SET_RANGE,			/**< Position at first key greater than or equal to specified key. */
-	MDB_PREV_MULTIPLE		/**< Position at previous page and return up to
+	MDB_PREV_MULTIPLE		/**< Position at previous page and return key and up to
 								a page of duplicate data items. Only for #MDB_DUPFIXED */
 } MDB_cursor_op;
 
@@ -457,18 +467,18 @@ typedef struct MDB_stat {
 	unsigned int	ms_psize;			/**< Size of a database page.
 											This is currently the same for all databases. */
 	unsigned int	ms_depth;			/**< Depth (height) of the B-tree */
-	size_t		ms_branch_pages;	/**< Number of internal (non-leaf) pages */
-	size_t		ms_leaf_pages;		/**< Number of leaf pages */
-	size_t		ms_overflow_pages;	/**< Number of overflow pages */
-	size_t		ms_entries;			/**< Number of data items */
+	mdb_size_t		ms_branch_pages;	/**< Number of internal (non-leaf) pages */
+	mdb_size_t		ms_leaf_pages;		/**< Number of leaf pages */
+	mdb_size_t		ms_overflow_pages;	/**< Number of overflow pages */
+	mdb_size_t		ms_entries;			/**< Number of data items */
 } MDB_stat;
 
 /** @brief Information about the environment */
 typedef struct MDB_envinfo {
 	void	*me_mapaddr;			/**< Address of map, if fixed */
-	size_t	me_mapsize;				/**< Size of the data memory map */
-	size_t	me_last_pgno;			/**< ID of the last used page */
-	size_t	me_last_txnid;			/**< ID of the last committed transaction */
+	mdb_size_t	me_mapsize;				/**< Size of the data memory map */
+	mdb_size_t	me_last_pgno;			/**< ID of the last used page */
+	mdb_size_t	me_last_txnid;			/**< ID of the last committed transaction */
 	unsigned int me_maxreaders;		/**< max reader slots in the environment */
 	unsigned int me_numreaders;		/**< max reader slots used in the environment */
 } MDB_envinfo;
@@ -614,6 +624,12 @@ int  mdb_env_create(MDB_env **env);
 	 *		caller is expected to overwrite all of the memory that was
 	 *		reserved in that case.
 	 *		This flag may be changed at any time using #mdb_env_set_flags().
+	 *	<li>#MDB_PREVSNAPSHOT
+	 *		Open the environment with the previous snapshot rather than the latest
+	 *		one. This loses the latest transaction, but may help work around some
+	 *		types of corruption. If opened with write access, this must be the
+	 *		only process using the environment. This flag is automatically reset
+	 *		after a write transaction is successfully committed.
 	 * </ul>
 	 * @param[in] mode The UNIX permissions to set on created files and semaphores.
 	 * This parameter is ignored on Windows.
@@ -680,7 +696,6 @@ int  mdb_env_copyfd(MDB_env *env, mdb_filehandle_t fd);
 	 *	<li>#MDB_CP_COMPACT - Perform compaction while copying: omit free
 	 *		pages and sequentially renumber all pages in output. This option
 	 *		consumes more CPU and runs more slowly than the default.
-	 *		Currently it fails if the environment has suffered a page leak.
 	 * </ul>
 	 * @return A non-zero error value on failure and 0 on success.
 	 */
@@ -795,10 +810,6 @@ int  mdb_env_get_flags(MDB_env *env, unsigned int *flags);
 int  mdb_env_get_path(MDB_env *env, const char **path);
 
 	/** @brief Return the filedescriptor for the given environment.
-	 *
-	 * This function may be called after fork(), so the descriptor can be
-	 * closed before exec*().  Other LMDB file descriptors have FD_CLOEXEC.
-	 * (Until LMDB 0.9.18, only the lockfile had that.)
 	 *
 	 * @param[in] env An environment handle returned by #mdb_env_create()
 	 * @param[out] fd Address of a mdb_filehandle_t to contain the descriptor.
@@ -842,7 +853,7 @@ int  mdb_env_get_fd(MDB_env *env, mdb_filehandle_t *fd);
 	 *   	an active write transaction.
 	 * </ul>
 	 */
-int  mdb_env_set_mapsize(MDB_env *env, size_t size);
+int  mdb_env_set_mapsize(MDB_env *env, mdb_size_t size);
 
 	/** @brief Set the maximum number of threads/reader slots for the environment.
 	 *
@@ -955,6 +966,10 @@ int  mdb_env_set_assert(MDB_env *env, MDB_assert_func *func);
 	 * <ul>
 	 *	<li>#MDB_RDONLY
 	 *		This transaction will not perform any write operations.
+	 *	<li>#MDB_NOSYNC
+	 *		Don't flush system buffers to disk when committing this transaction.
+	 *	<li>#MDB_NOMETASYNC
+	 *		Flush system buffers but omit metadata flush when committing this transaction.
 	 * </ul>
 	 * @param[out] txn Address where the new #MDB_txn handle will be stored
 	 * @return A non-zero error value on failure and 0 on success. Some possible
@@ -987,7 +1002,7 @@ MDB_env *mdb_txn_env(MDB_txn *txn);
 	 * @param[in] txn A transaction handle returned by #mdb_txn_begin()
 	 * @return A transaction ID, valid if input is an active transaction.
 	 */
-size_t mdb_txn_id(MDB_txn *txn);
+mdb_size_t mdb_txn_id(MDB_txn *txn);
 
 	/** @brief Commit all the operations of a transaction into the database.
 	 *
@@ -1103,9 +1118,8 @@ int  mdb_txn_renew(MDB_txn *txn);
 	 *		This flag may only be used in combination with #MDB_DUPSORT. This option
 	 *		tells the library that the data items for this database are all the same
 	 *		size, which allows further optimizations in storage and retrieval. When
-	 *		all data items are the same size, the #MDB_GET_MULTIPLE, #MDB_NEXT_MULTIPLE
-	 *		and #MDB_PREV_MULTIPLE cursor operations may be used to retrieve multiple
-	 *		items at once.
+	 *		all data items are the same size, the #MDB_GET_MULTIPLE and #MDB_NEXT_MULTIPLE
+	 *		cursor operations may be used to retrieve multiple items at once.
 	 *	<li>#MDB_INTEGERDUP
 	 *		This option specifies that duplicate data items are binary integers,
 	 *		similar to #MDB_INTEGERKEY keys.
@@ -1510,10 +1524,6 @@ int  mdb_cursor_put(MDB_cursor *cursor, MDB_val *key, MDB_val *data,
 	/** @brief Delete current key/data pair
 	 *
 	 * This function deletes the key/data pair to which the cursor refers.
-	 * This does not invalidate the cursor, so operations such as MDB_NEXT
-	 * can still be used on it.
-	 * Both MDB_NEXT and MDB_GET_CURRENT will return the same record after
-	 * this operation.
 	 * @param[in] cursor A cursor handle returned by #mdb_cursor_open()
 	 * @param[in] flags Options for this operation. This parameter
 	 * must be set to 0 or one of the values described here.
@@ -1542,7 +1552,7 @@ int  mdb_cursor_del(MDB_cursor *cursor, unsigned int flags);
 	 *	<li>EINVAL - cursor is not initialized, or an invalid parameter was specified.
 	 * </ul>
 	 */
-int  mdb_cursor_count(MDB_cursor *cursor, size_t *countp);
+int  mdb_cursor_count(MDB_cursor *cursor, mdb_size_t *countp);
 
 	/** @brief Compare two data items according to a particular database.
 	 *

contrib/db/liblmdb/mdb_copy.1

@@ -1,5 +1,5 @@
-.TH MDB_COPY 1 "2014/07/01" "LMDB 0.9.14"
-.\" Copyright 2012-2018 Howard Chu, Symas Corp. All Rights Reserved.
+.TH MDB_COPY 1 "2014/06/20" "LMDB 0.9.14"
+.\" Copyright 2012-2015 Howard Chu, Symas Corp. All Rights Reserved.
 .\" Copying restrictions apply.  See COPYRIGHT/LICENSE.
 .SH NAME
 mdb_copy \- LMDB environment copy tool
@@ -11,6 +11,8 @@ mdb_copy \- LMDB environment copy tool
 .BR \-c ]
 [\c
 .BR \-n ]
+[\c
+.BR \-v ]
 .B srcpath
 [\c
 .BR dstpath ]
@@ -36,10 +38,13 @@ Write the library version number to the standard output, and exit.
 Compact while copying. Only current data pages will be copied; freed
 or unused pages will be omitted from the copy. This option will
 slow down the backup process as it is more CPU-intensive.
-Currently it fails if the environment has suffered a page leak.
 .TP
 .BR \-n
 Open LDMB environment(s) which do not use subdirectories.
+.TP
+.BR \-v
+Use the previous environment state instead of the latest state.
+This may be useful if the latest state has been corrupted.
 
 .SH DIAGNOSTICS
 Exit status is zero if no errors occur.

contrib/db/liblmdb/mdb_copy.c

@@ -1,6 +1,6 @@
 /* mdb_copy.c - memory-mapped database backup tool */
 /*
- * Copyright 2012-2018 Howard Chu, Symas Corp.
+ * Copyright 2012-2015 Howard Chu, Symas Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -38,6 +38,8 @@ int main(int argc,char * argv[])
 	for (; argc > 1 && argv[1][0] == '-'; argc--, argv++) {
 		if (argv[1][1] == 'n' && argv[1][2] == '\0')
 			flags |= MDB_NOSUBDIR;
+		else if (argv[1][1] == 'v' && argv[1][2] == '\0')
+			flags |= MDB_PREVSNAPSHOT;
 		else if (argv[1][1] == 'c' && argv[1][2] == '\0')
 			cpflags |= MDB_CP_COMPACT;
 		else if (argv[1][1] == 'V' && argv[1][2] == '\0') {
@@ -48,7 +50,7 @@ int main(int argc,char * argv[])
 	}
 
 	if (argc<2 || argc>3) {
-		fprintf(stderr, "usage: %s [-V] [-c] [-n] srcpath [dstpath]\n", progname);
+		fprintf(stderr, "usage: %s [-V] [-c] [-n] [-v] srcpath [dstpath]\n", progname);
 		exit(EXIT_FAILURE);
 	}
 

contrib/db/liblmdb/mdb_dump.1

@@ -1,5 +1,5 @@
-.TH MDB_DUMP 1 "2015/09/30" "LMDB 0.9.17"
-.\" Copyright 2014-2018 Howard Chu, Symas Corp. All Rights Reserved.
+.TH MDB_DUMP 1 "2014/06/20" "LMDB 0.9.14"
+.\" Copyright 2014-2015 Howard Chu, Symas Corp. All Rights Reserved.
 .\" Copying restrictions apply.  See COPYRIGHT/LICENSE.
 .SH NAME
 mdb_dump \- LMDB environment export tool
@@ -14,6 +14,8 @@ mdb_dump \- LMDB environment export tool
 [\c
 .BR \-n ]
 [\c
+.BR \-v ]
+[\c
 .BR \-p ]
 [\c
 .BR \-a \ |
@@ -42,6 +44,10 @@ names will be listed, no data will be output.
 .BR \-n
 Dump an LMDB database which does not use subdirectories.
 .TP
+.BR \-v
+Use the previous environment state instead of the latest state.
+This may be useful if the latest state has been corrupted.
+.TP
 .BR \-p
 If characters in either the key or data items are printing characters (as
 defined by isprint(3)), output them directly. This option permits users to

contrib/db/liblmdb/mdb_dump.c

@@ -1,6 +1,6 @@
 /* mdb_dump.c - memory-mapped database dump tool */
 /*
- * Copyright 2011-2018 Howard Chu, Symas Corp.
+ * Copyright 2011-2015 Howard Chu, Symas Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -25,6 +25,15 @@
 #else
 #define Z	"z"
 #endif
+#ifdef MDB_VL32
+#ifdef _WIN32
+#define	Y	"I64"
+#else
+#define	Y	"ll"
+#endif
+#else
+#define Y	Z
+#endif
 
 #define PRINT	1
 static int mode;
@@ -115,7 +124,7 @@ static int dumpit(MDB_txn *txn, MDB_dbi dbi, char *name)
 	if (name)
 		printf("database=%s\n", name);
 	printf("type=btree\n");
-	printf("mapsize=%" Z "u\n", info.me_mapsize);
+	printf("mapsize=%" Y "u\n", info.me_mapsize);
 	if (info.me_mapaddr)
 		printf("mapaddr=%p\n", info.me_mapaddr);
 	printf("maxreaders=%u\n", info.me_maxreaders);
@@ -155,7 +164,7 @@ static int dumpit(MDB_txn *txn, MDB_dbi dbi, char *name)
 
 static void usage(char *prog)
 {
-	fprintf(stderr, "usage: %s [-V] [-f output] [-l] [-n] [-p] [-a|-s subdb] dbpath\n", prog);
+	fprintf(stderr, "usage: %s [-V] [-f output] [-l] [-n] [-p] [-v] [-a|-s subdb] dbpath\n", prog);
 	exit(EXIT_FAILURE);
 }
 
@@ -179,6 +188,7 @@ int main(int argc, char *argv[])
 	 * -n: use NOSUBDIR flag on env_open
 	 * -p: use printable characters
 	 * -f: write to file instead of stdout
+	 * -v: use previous snapshot
 	 * -V: print version and exit
 	 * (default) dump only the main DB
 	 */
@@ -206,6 +216,9 @@ int main(int argc, char *argv[])
 		case 'n':
 			envflags |= MDB_NOSUBDIR;
 			break;
+		case 'v':
+			envflags |= MDB_PREVSNAPSHOT;
+			break;
 		case 'p':
 			mode |= PRINT;
 			break;

contrib/db/liblmdb/mdb_load.1

@@ -1,5 +1,5 @@
-.TH MDB_LOAD 1 "2015/09/30" "LMDB 0.9.17"
-.\" Copyright 2014-2018 Howard Chu, Symas Corp. All Rights Reserved.
+.TH MDB_LOAD 1 "2014/06/20" "LMDB 0.9.14"
+.\" Copyright 2014-2015 Howard Chu, Symas Corp. All Rights Reserved.
 .\" Copying restrictions apply.  See COPYRIGHT/LICENSE.
 .SH NAME
 mdb_load \- LMDB environment import tool
@@ -37,6 +37,13 @@ option below.
 .BR \-V
 Write the library version number to the standard output, and exit.
 .TP
+.BR \-a
+Append all records in the order they appear in the input. The input is assumed to already be
+in correctly sorted order and no sorting or checking for redundant values will be performed.
+This option must be used to reload data that was produced by running
+.B mdb_dump
+on a database that uses custom compare functions.
+.TP
 .BR \-f \ file
 Read from the specified file instead of from the standard input.
 .TP

contrib/db/liblmdb/mdb_load.c

@@ -1,6 +1,6 @@
 /* mdb_load.c - memory-mapped database load tool */
 /*
- * Copyright 2011-2018 Howard Chu, Symas Corp.
+ * Copyright 2011-2015 Howard Chu, Symas Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -37,12 +37,22 @@ static int Eof;
 static MDB_envinfo info;
 
 static MDB_val kbuf, dbuf;
+static MDB_val k0buf;
 
 #ifdef _WIN32
 #define Z	"I"
 #else
 #define Z	"z"
 #endif
+#ifdef MDB_VL32
+#ifdef _WIN32
+#define	Y	"I64"
+#else
+#define	Y	"ll"
+#endif
+#else
+#define Y	Z
+#endif
 
 #define STRLENOF(s)	(sizeof(s)-1)
 
@@ -68,7 +78,6 @@ static void readhdr(void)
 {
 	char *ptr;
 
-	flags = 0;
 	while (fgets(dbuf.mv_data, dbuf.mv_size, stdin) != NULL) {
 		lineno++;
 		if (!strncmp(dbuf.mv_data, "VERSION=", STRLENOF("VERSION="))) {
@@ -113,7 +122,7 @@ static void readhdr(void)
 			int i;
 			ptr = memchr(dbuf.mv_data, '\n', dbuf.mv_size);
 			if (ptr) *ptr = '\0';
-			i = sscanf((char *)dbuf.mv_data+STRLENOF("mapsize="), "%" Z "u", &info.me_mapsize);
+			i = sscanf((char *)dbuf.mv_data+STRLENOF("mapsize="), "%" Y "u", &info.me_mapsize);
 			if (i != 1) {
 				fprintf(stderr, "%s: line %" Z "d: invalid mapsize %s\n",
 					prog, lineno, (char *)dbuf.mv_data+STRLENOF("mapsize="));
@@ -249,8 +258,7 @@ badend:
 					c2 += 2;
 				}
 			} else {
-				/* copies are redundant when no escapes were used */
-				*c1++ = *c2++;
+				c1++; c2++;
 			}
 		}
 	} else {
@@ -278,10 +286,15 @@ badend:
 
 static void usage(void)
 {
-	fprintf(stderr, "usage: %s [-V] [-f input] [-n] [-s name] [-N] [-T] dbpath\n", prog);
+	fprintf(stderr, "usage: %s [-V] [-a] [-f input] [-n] [-s name] [-N] [-T] dbpath\n", prog);
 	exit(EXIT_FAILURE);
 }
 
+static int greater(const MDB_val *a, const MDB_val *b)
+{
+	return 1;
+}
+
 int main(int argc, char *argv[])
 {
 	int i, rc;
@@ -291,7 +304,8 @@ int main(int argc, char *argv[])
 	MDB_dbi dbi;
 	char *envname;
 	int envflags = 0, putflags = 0;
-	int dohdr = 0;
+	int dohdr = 0, append = 0;
+	MDB_val prevk;
 
 	prog = argv[0];
 
@@ -299,19 +313,23 @@ int main(int argc, char *argv[])
 		usage();
 	}
 
-	/* -f: load file instead of stdin
+	/* -a: append records in input order
+	 * -f: load file instead of stdin
 	 * -n: use NOSUBDIR flag on env_open
 	 * -s: load into named subDB
 	 * -N: use NOOVERWRITE on puts
 	 * -T: read plaintext
 	 * -V: print version and exit
 	 */
-	while ((i = getopt(argc, argv, "f:ns:NTV")) != EOF) {
+	while ((i = getopt(argc, argv, "af:ns:NTV")) != EOF) {
 		switch(i) {
 		case 'V':
 			printf("%s\n", MDB_VERSION_STRING);
 			exit(0);
 			break;
+		case 'a':
+			append = 1;
+			break;
 		case 'f':
 			if (freopen(optarg, "r", stdin) == NULL) {
 				fprintf(stderr, "%s: %s: reopen: %s\n",
@@ -370,11 +388,17 @@ int main(int argc, char *argv[])
 	}
 
 	kbuf.mv_size = mdb_env_get_maxkeysize(env) * 2 + 2;
-	kbuf.mv_data = malloc(kbuf.mv_size);
+	kbuf.mv_data = malloc(kbuf.mv_size * 2);
+	k0buf.mv_size = kbuf.mv_size;
+	k0buf.mv_data = (char *)kbuf.mv_data + kbuf.mv_size;
+	prevk.mv_size = 0;
+	prevk.mv_data = k0buf.mv_data;
 
 	while(!Eof) {
 		MDB_val key, data;
 		int batch = 0;
+		flags = 0;
+		int appflag;
 
 		if (!dohdr) {
 			dohdr = 1;
@@ -392,6 +416,11 @@ int main(int argc, char *argv[])
 			fprintf(stderr, "mdb_open failed, error %d %s\n", rc, mdb_strerror(rc));
 			goto txn_abort;
 		}
+		if (append) {
+			mdb_set_compare(txn, dbi, greater);
+			if (flags & MDB_DUPSORT)
+				mdb_set_dupsort(txn, dbi, greater);
+		}
 
 		rc = mdb_cursor_open(txn, dbi, &mc);
 		if (rc) {
@@ -410,7 +439,20 @@ int main(int argc, char *argv[])
 				goto txn_abort;
 			}
 
-			rc = mdb_cursor_put(mc, &key, &data, putflags);
+			if (append) {
+				appflag = MDB_APPEND;
+				if (flags & MDB_DUPSORT) {
+					if (prevk.mv_size == key.mv_size && !memcmp(prevk.mv_data, key.mv_data, key.mv_size))
+						appflag = MDB_APPENDDUP;
+					else {
+						memcpy(prevk.mv_data, key.mv_data, key.mv_size);
+						prevk.mv_size = key.mv_size;
+					}
+				}
+			} else {
+				appflag = 0;
+			}
+			rc = mdb_cursor_put(mc, &key, &data, putflags|appflag);
 			if (rc == MDB_KEYEXIST && putflags)
 				continue;
 			if (rc) {

contrib/db/liblmdb/mdb_stat.1

@@ -1,5 +1,5 @@
-.TH MDB_STAT 1 "2015/09/30" "LMDB 0.9.17"
-.\" Copyright 2012-2018 Howard Chu, Symas Corp. All Rights Reserved.
+.TH MDB_STAT 1 "2014/06/20" "LMDB 0.9.14"
+.\" Copyright 2012-2015 Howard Chu, Symas Corp. All Rights Reserved.
 .\" Copying restrictions apply.  See COPYRIGHT/LICENSE.
 .SH NAME
 mdb_stat \- LMDB environment status tool
@@ -14,6 +14,8 @@ mdb_stat \- LMDB environment status tool
 [\c
 .BR \-n ]
 [\c
+.BR \-v ]
+[\c
 .BR \-r [ r ]]
 [\c
 .BR \-a \ |
@@ -39,6 +41,10 @@ If \fB\-fff\fP is given, display the full list of page IDs in the freelist.
 .BR \-n
 Display the status of an LMDB database which does not use subdirectories.
 .TP
+.BR \-v
+Use the previous environment state instead of the latest state.
+This may be useful if the latest state has been corrupted.
+.TP
 .BR \-r
 Display information about the environment reader table.
 Shows the process ID, thread ID, and transaction ID for each active

contrib/db/liblmdb/mdb_stat.c

@@ -1,6 +1,6 @@
 /* mdb_stat.c - memory-mapped database status tool */
 /*
- * Copyright 2011-2018 Howard Chu, Symas Corp.
+ * Copyright 2011-2015 Howard Chu, Symas Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -22,6 +22,15 @@
 #else
 #define	Z	"z"
 #endif
+#ifdef MDB_VL32
+#ifdef _WIN32
+#define	Y	"I64"
+#else
+#define	Y	"ll"
+#endif
+#else
+#define Y	Z
+#endif
 
 static void prstat(MDB_stat *ms)
 {
@@ -29,15 +38,15 @@ static void prstat(MDB_stat *ms)
 	printf("  Page size: %u\n", ms->ms_psize);
 #endif
 	printf("  Tree depth: %u\n", ms->ms_depth);
-	printf("  Branch pages: %"Z"u\n", ms->ms_branch_pages);
-	printf("  Leaf pages: %"Z"u\n", ms->ms_leaf_pages);
-	printf("  Overflow pages: %"Z"u\n", ms->ms_overflow_pages);
-	printf("  Entries: %"Z"u\n", ms->ms_entries);
+	printf("  Branch pages: %"Y"u\n", ms->ms_branch_pages);
+	printf("  Leaf pages: %"Y"u\n", ms->ms_leaf_pages);
+	printf("  Overflow pages: %"Y"u\n", ms->ms_overflow_pages);
+	printf("  Entries: %"Y"u\n", ms->ms_entries);
 }
 
 static void usage(char *prog)
 {
-	fprintf(stderr, "usage: %s [-V] [-n] [-e] [-r[r]] [-f[f[f]]] [-a|-s subdb] dbpath\n", prog);
+	fprintf(stderr, "usage: %s [-V] [-n] [-e] [-r[r]] [-f[f[f]]] [-v] [-a|-s subdb] dbpath\n", prog);
 	exit(EXIT_FAILURE);
 }
 
@@ -64,6 +73,7 @@ int main(int argc, char *argv[])
 	 * -f: print freelist info
 	 * -r: print reader info
 	 * -n: use NOSUBDIR flag on env_open
+	 * -v: use previous snapshot
 	 * -V: print version and exit
 	 * (default) print stat of only the main DB
 	 */
@@ -87,6 +97,9 @@ int main(int argc, char *argv[])
 		case 'n':
 			envflags |= MDB_NOSUBDIR;
 			break;
+		case 'v':
+			envflags |= MDB_PREVSNAPSHOT;
+			break;
 		case 'r':
 			rdrinfo++;
 			break;
@@ -125,11 +138,11 @@ int main(int argc, char *argv[])
 		(void)mdb_env_info(env, &mei);
 		printf("Environment Info\n");
 		printf("  Map address: %p\n", mei.me_mapaddr);
-		printf("  Map size: %"Z"u\n", mei.me_mapsize);
+		printf("  Map size: %"Y"u\n", mei.me_mapsize);
 		printf("  Page size: %u\n", mst.ms_psize);
-		printf("  Max pages: %"Z"u\n", mei.me_mapsize / mst.ms_psize);
-		printf("  Number of pages used: %"Z"u\n", mei.me_last_pgno+1);
-		printf("  Last transaction ID: %"Z"u\n", mei.me_last_txnid);
+		printf("  Max pages: %"Y"u\n", mei.me_mapsize / mst.ms_psize);
+		printf("  Number of pages used: %"Y"u\n", mei.me_last_pgno+1);
+		printf("  Last transaction ID: %"Y"u\n", mei.me_last_txnid);
 		printf("  Max readers: %u\n", mei.me_maxreaders);
 		printf("  Number of readers used: %u\n", mei.me_numreaders);
 	}

contrib/db/liblmdb/midl.c

@@ -3,8 +3,7 @@
 /* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- * Copyright 2000-2019 The OpenLDAP Foundation.
- * Portions Copyright 2001-2018 Howard Chu, Symas Corp.
+ * Copyright 2000-2015 The OpenLDAP Foundation.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -355,5 +354,67 @@ int mdb_mid2l_append( MDB_ID2L ids, MDB_ID2 *id )
 	return 0;
 }
 
+#ifdef MDB_VL32
+unsigned mdb_mid3l_search( MDB_ID3L ids, MDB_ID id )
+{
+	/*
+	 * binary search of id in ids
+	 * if found, returns position of id
+	 * if not found, returns first position greater than id
+	 */
+	unsigned base = 0;
+	unsigned cursor = 1;
+	int val = 0;
+	unsigned n = (unsigned)ids[0].mid;
+
+	while( 0 < n ) {
+		unsigned pivot = n >> 1;
+		cursor = base + pivot + 1;
+		val = CMP( id, ids[cursor].mid );
+
+		if( val < 0 ) {
+			n = pivot;
+
+		} else if ( val > 0 ) {
+			base = cursor;
+			n -= pivot + 1;
+
+		} else {
+			return cursor;
+		}
+	}
+
+	if( val > 0 ) {
+		++cursor;
+	}
+	return cursor;
+}
+
+int mdb_mid3l_insert( MDB_ID3L ids, MDB_ID3 *id )
+{
+	unsigned x, i;
+
+	x = mdb_mid3l_search( ids, id->mid );
+
+	if( x < 1 ) {
+		/* internal error */
+		return -2;
+	}
+
+	if ( x <= ids[0].mid && ids[x].mid == id->mid ) {
+		/* duplicate */
+		return -1;
+	}
+
+	/* insert id */
+	ids[0].mid++;
+	for (i=(unsigned)ids[0].mid; i>x; i--)
+		ids[i] = ids[i-1];
+	ids[x] = *id;
+
+	return 0;
+}
+#endif /* MDB_VL32 */
+
 /** @} */
 /** @} */

contrib/db/liblmdb/midl.h

@@ -11,8 +11,7 @@
 /* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- * Copyright 2000-2019 The OpenLDAP Foundation.
- * Portions Copyright 2001-2018 Howard Chu, Symas Corp.
+ * Copyright 2000-2015 The OpenLDAP Foundation.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -28,6 +27,7 @@
 #define _MDB_MIDL_H_
 
 #include <stddef.h>
+#include <inttypes.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -43,7 +43,11 @@ extern "C" {
 	/** A generic unsigned ID number. These were entryIDs in back-bdb.
 	 *	Preferably it should have the same size as a pointer.
 	 */
+#ifdef MDB_VL32
+typedef uint64_t MDB_ID;
+#else
 typedef size_t MDB_ID;
+#endif
 
 	/** An IDL is an ID List, a sorted array of IDs. The first
 	 * element of the array is a counter for how many actual
@@ -178,6 +182,20 @@ int mdb_mid2l_insert( MDB_ID2L ids, MDB_ID2 *id );
 	 */
 int mdb_mid2l_append( MDB_ID2L ids, MDB_ID2 *id );
 
+#ifdef MDB_VL32
+typedef struct MDB_ID3 {
+	MDB_ID mid;		/**< The ID */
+	void *mptr;		/**< The pointer */
+	unsigned int mcnt;		/**< Number of pages */
+	unsigned int mref;		/**< Refcounter */
+} MDB_ID3;
+
+typedef MDB_ID3 *MDB_ID3L;
+
+unsigned mdb_mid3l_search( MDB_ID3L ids, MDB_ID id );
+int mdb_mid3l_insert( MDB_ID3L ids, MDB_ID3 *id );
+
+#endif /* MDB_VL32 */
 /** @} */
 /** @} */
 #ifdef __cplusplus

contrib/db/liblmdb/mtest.c

@@ -1,6 +1,6 @@
 /* mtest.c - memory-mapped database tester/toy */
 /*
- * Copyright 2011-2018 Howard Chu, Symas Corp.
+ * Copyright 2011-2015 Howard Chu, Symas Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

contrib/db/liblmdb/mtest2.c

@@ -1,6 +1,6 @@
 /* mtest2.c - memory-mapped database tester/toy */
 /*
- * Copyright 2011-2018 Howard Chu, Symas Corp.
+ * Copyright 2011-2015 Howard Chu, Symas Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

contrib/db/liblmdb/mtest3.c

@@ -1,6 +1,6 @@
 /* mtest3.c - memory-mapped database tester/toy */
 /*
- * Copyright 2011-2018 Howard Chu, Symas Corp.
+ * Copyright 2011-2015 Howard Chu, Symas Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

contrib/db/liblmdb/mtest4.c

@@ -1,6 +1,6 @@
 /* mtest4.c - memory-mapped database tester/toy */
 /*
- * Copyright 2011-2018 Howard Chu, Symas Corp.
+ * Copyright 2011-2015 Howard Chu, Symas Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

contrib/db/liblmdb/mtest5.c

@@ -1,6 +1,6 @@
 /* mtest5.c - memory-mapped database tester/toy */
 /*
- * Copyright 2011-2018 Howard Chu, Symas Corp.
+ * Copyright 2011-2015 Howard Chu, Symas Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

contrib/db/liblmdb/mtest6.c

@@ -1,6 +1,6 @@
 /* mtest6.c - memory-mapped database tester/toy */
 /*
- * Copyright 2011-2018 Howard Chu, Symas Corp.
+ * Copyright 2011-2015 Howard Chu, Symas Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

contrib/db/liblmdb/sample-bdb.txt

@@ -3,7 +3,7 @@
  * Do a line-by-line comparison of this and sample-mdb.txt
  */
 /*
- * Copyright 2012-2018 Howard Chu, Symas Corp.
+ * Copyright 2012-2015 Howard Chu, Symas Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

contrib/db/liblmdb/sample-mdb.txt

@@ -3,7 +3,7 @@
  * Do a line-by-line comparison of this and sample-bdb.txt
  */
 /*
- * Copyright 2012-2018 Howard Chu, Symas Corp.
+ * Copyright 2012-2015 Howard Chu, Symas Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

contrib/db/libmdbx/.circleci/config.yml

@@ -0,0 +1,20 @@
+version: 2
+jobs:
+  build:
+    docker:
+      - image: circleci/buildpack-deps:artful
+    environment:
+      - TESTDB: /tmp/test.db
+      - TESTLOG: /tmp/test.log
+    steps:
+      - checkout
+      - run: make all
+      - run: ulimit -c unlimited && make check
+      - run:
+          command: |
+            mkdir -p /tmp/artifacts
+            mv -t /tmp/artifacts $TESTLOG $TESTDB core.*
+          when: on_fail
+      - store_artifacts:
+          path: /tmp/artifacts
+          destination: test-artifacts

contrib/db/libmdbx/.clang-format

@@ -0,0 +1,3 @@
+BasedOnStyle: LLVM
+Standard: Cpp11
+ReflowComments: true

contrib/db/libmdbx/.gitignore

@@ -0,0 +1,35 @@
+*.[ao]
+*.bak
+*.exe
+*.gcda
+*.gcno
+*.gcov
+*.lo
+*.orig
+*.rej
+*.so
+*[~#]
+.idea
+.le.ini
+.vs/
+cmake-build-*
+@*
+core
+mdbx_example
+libmdbx.creator.user
+mdbx_chk
+mdbx_copy
+mdbx_dump
+mdbx_load
+mdbx_stat
+mdbx_test
+test.log
+test/tmp.db
+test/tmp.db-lck
+tmp.db
+tmp.db-lck
+valgrind.*
+src/elements/version.c
+src/elements/config.h
+dist/
+*.tar*

contrib/db/libmdbx/.travis.yml

@@ -0,0 +1,61 @@
+language: c cpp
+
+matrix:
+  include:
+    - os: linux
+      dist: precise
+      env: CC=cc CXX=c++
+    - os: linux
+      dist: trusty
+      compiler: clang
+      env: CC=clang CXX=clang++
+    - os: linux
+      dist: xenial
+      compiler: gcc
+      env: CC=gcc CXX=g++
+    - os: linux
+      dist: bionic
+      compiler: clang
+      env: CC=clang CXX=clang++
+    - os: osx
+      osx_image: xcode11
+      env: CC=cc CXX=c++
+    - os: osx
+      osx_image: xcode9.4
+      env: CC=cc CXX=c++
+
+script: >
+  if [ "${COVERITY_SCAN_BRANCH}" != 1 ]; then
+    git fetch --unshallow --tags --prune &&
+    git submodule foreach --recursive git fetch --unshallow --tags --prune &&
+    (if which clang-format-6.0 > /dev/null && make reformat && [[ -n $(git diff) ]];
+      then
+        echo "You must run 'make reformat' before submitting a pull request";
+        echo "";
+        git diff;
+        exit -1;
+      fi) &&
+    make --keep-going all && MALLOC_CHECK_=7 MALLOC_PERTURB_=42 make --keep-going check
+  else
+    [ ! -s cov-int/scm_log.txt ] || cat cov-int/scm_log.txt;
+  fi && sleep 3
+
+env:
+  global:
+   - secure: "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"
+
+before_install:
+  - echo -n | openssl s_client -connect scan.coverity.com:443 | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' | sudo tee -a /etc/ssl/certs/ca-
+  - ${CC} --version
+  - ${CXX} --version
+
+addons:
+  coverity_scan:
+    project:
+      name: "ReOpen/libmdbx"
+      version: 0.1
+      description: "Build submitted via Travis CI"
+    notification_email: leo@yuriev.ru
+    build_command_prepend: "git fetch --unshallow --tags --prune && make dist"
+    build_command: "make MDBX_OPTIONS=-DMDBX_DEBUG=2 -C dist all"
+    branch_pattern: coverity_scan

contrib/db/libmdbx/AUTHORS

@@ -0,0 +1,32 @@
+Contributors
+============
+
+Alexey Naumov <alexey.naumov@gmail.com>
+Chris Mikkelson <cmikk@qwest.net>
+Claude Brisson <claude.brisson@gmail.com>
+David Barbour <dmbarbour@gmail.com>
+David Wilson <dw@botanicus.net>
+dreamsxin <dreamsxin@126.com>
+Hallvard Furuseth <hallvard@openldap.org>, <h.b.furuseth@usit.uio.no>
+Heiko Becker <heirecka@exherbo.org>
+Howard Chu <hyc@openldap.org>, <hyc@symas.com>
+Ignacio Casal Quinteiro <ignacio.casal@nice-software.com>
+James Rouzier <rouzier@gmail.com>
+Jean-Christophe DUBOIS <jcd@tribudubois.net>
+John Hewson <john@jahewson.com>
+Klaus Malorny <klaus.malorny@knipp.de>
+Kurt Zeilenga <kurt.zeilenga@isode.com>
+Leonid Yuriev <leo@yuriev.ru>, <lyuryev@ptsecurity.com>
+Lorenz Bauer <lmb@cloudflare.com>
+Luke Yeager <lyeager@nvidia.com>
+Martin Hedenfalk <martin@bzero.se>
+Ondrej Kuznik <ondrej.kuznik@acision.com>
+Orivej Desh <orivej@gmx.fr>
+Oskari Timperi <oskari.timperi@iki.fi>
+Pavel Medvedev <pmedvedev@gmail.com>
+Philipp Storz <philipp.storz@bareos.com>
+Quanah Gibson-Mount <quanah@openldap.org>
+Salvador Ortiz <sog@msg.com.mx>
+Sebastien Launay <sebastien@slaunay.fr>
+Vladimir Romanov <vromanov@gmail.com>
+Zano Foundation <crypto.sowle@gmail.com>

contrib/db/libmdbx/CMakeLists.dist-minimal

@@ -0,0 +1,192 @@
+##
+## This is the minimal template for CMakeList.txt which could be used
+## to build libmdbx from the "amalgamated form" of libmdbx's source code.
+##
+## The amalgamated form is intended to embedding libmdbx in other projects
+## in cases when using as git-submodule is not acceptable or inconveniently.
+##
+## The amalgamated form could be generated from full git repository
+## on Linux just by `make dist`.
+##
+
+##
+##  Copyright 2019 Leonid Yuriev <leo@yuriev.ru>
+##  and other libmdbx authors: please see AUTHORS file.
+##  All rights reserved.
+##
+##  Redistribution and use in source and binary forms, with or without
+##  modification, are permitted only as authorized by the OpenLDAP
+##  Public License.
+##
+##  A copy of this license is available in the file LICENSE in the
+##  top-level directory of the distribution or, alternatively, at
+##  <http://www.OpenLDAP.org/license.html>.
+##
+
+##
+##  libmdbx = { Revised and extended descendant of Symas LMDB. }
+##  Please see README.md at https://github.com/leo-yuriev/libmdbx
+##
+##  Libmdbx is superior to LMDB in terms of features and reliability,
+##  not inferior in performance. libmdbx works on Linux, FreeBSD, MacOS X
+##  and other systems compliant with POSIX.1-2008, but also support Windows
+##  as a complementary platform.
+##
+##  The next version is under active non-public development and will be
+##  released as MithrilDB and libmithrildb for libraries & packages.
+##  Admittedly mythical Mithril is resembling silver but being stronger and
+##  lighter than steel. Therefore MithrilDB is rightly relevant name.
+##
+##  MithrilDB will be radically different from libmdbx by the new database
+##  format and API based on C++17, as well as the Apache 2.0 License.
+##  The goal of this revolution is to provide a clearer and robust API,
+##  add more features and new valuable properties of database.
+##
+##  The Future will (be) Positive. Всё будет хорошо.
+##
+
+cmake_minimum_required(VERSION 3.8.2)
+cmake_policy(PUSH)
+cmake_policy(VERSION 3.8.2)
+if(NOT CMAKE_VERSION VERSION_LESS 3.9)
+  cmake_policy(SET CMP0069 NEW)
+endif()
+if(NOT CMAKE_VERSION VERSION_LESS 3.12)
+  cmake_policy(SET CMP0075 NEW)
+endif()
+if(NOT CMAKE_VERSION VERSION_LESS 3.13)
+  cmake_policy(SET CMP0077 NEW)
+endif()
+
+if(DEFINED PROJECT_NAME)
+  set(SUBPROJECT ON)
+  set(NOT_SUBPROJECT OFF)
+else()
+  set(SUBPROJECT OFF)
+  set(NOT_SUBPROJECT ON)
+  project(libmdbx C CXX)
+endif()
+
+find_package(Threads REQUIRED)
+
+if(NOT CMAKE_BUILD_TYPE)
+  set(CMAKE_BUILD_TYPE MinSizeRel CACHE STRING
+    "Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel."
+    FORCE)
+endif()
+
+list(FIND CMAKE_C_COMPILE_FEATURES c_std_11 HAS_C11)
+if(NOT HAS_C11 LESS 0)
+  set(MDBX_C_STANDARD 11)
+else()
+  set(MDBX_C_STANDARD 99)
+endif()
+message(STATUS "Use C${MDBX_C_STANDARD} for libmdbx")
+
+# not supported by this (minimal) script
+add_definitions(-DMDBX_AVOID_CRT=0)
+
+# provide build timestamp
+string(TIMESTAMP MDBX_BUILD_TIMESTAMP UTC)
+add_definitions(-DMDBX_BUILD_TIMESTAMP="${MDBX_BUILD_TIMESTAMP}")
+
+# provide compiler info
+execute_process(COMMAND sh -c "${CMAKE_C_COMPILER} --version | head -1"
+  OUTPUT_VARIABLE MDBX_BUILD_COMPILER
+  OUTPUT_STRIP_TRAILING_WHITESPACE
+  ERROR_QUIET
+  RESULT_VARIABLE rc)
+if(rc OR NOT MDBX_BUILD_COMPILER)
+  string(STRIP "${CMAKE_C_COMPILER_ID}-${CMAKE_C_COMPILER_VERSION}" MDBX_BUILD_COMPILER)
+endif()
+add_definitions(-DMDBX_BUILD_COMPILER="${MDBX_BUILD_COMPILER}")
+
+# provide cpu/arch-system pair
+if(CMAKE_C_COMPILER_TARGET)
+  set(MDBX_BUILD_TARGET "${CMAKE_C_COMPILER_TARGET}")
+elseif(CMAKE_C_PLATFORM_ID AND NOT CMAKE_C_PLATFORM_ID STREQUAL CMAKE_SYSTEM_NAME)
+  string(STRIP "${CMAKE_C_PLATFORM_ID}-${CMAKE_SYSTEM_NAME}" MDBX_BUILD_TARGET)
+elseif(CMAKE_LIBRARY_ARCHITECTURE)
+  string(STRIP "${CMAKE_LIBRARY_ARCHITECTURE}-${CMAKE_SYSTEM_NAME}" MDBX_BUILD_TARGET)
+elseif(CMAKE_GENERATOR_PLATFORM AND NOT CMAKE_C_PLATFORM_ID STREQUAL CMAKE_SYSTEM_NAME)
+  string(STRIP "${CMAKE_GENERATOR_PLATFORM}-${CMAKE_SYSTEM_NAME}" MDBX_BUILD_TARGET)
+elseif(CMAKE_SYSTEM_ARCH)
+  string(STRIP "${CMAKE_SYSTEM_ARCH}-${CMAKE_SYSTEM_NAME}" MDBX_BUILD_TARGET)
+else()
+  string(STRIP "${CMAKE_SYSTEM_PROCESSOR}-${CMAKE_SYSTEM_NAME}" MDBX_BUILD_TARGET)
+endif()
+add_definitions(-DMDBX_BUILD_TARGET="${MDBX_BUILD_TARGET}")
+
+# provide build target-config
+if(CMAKE_CONFIGURATION_TYPES)
+  add_definitions(-DMDBX_BUILD_CONFIG="$<CONFIG>")
+else()
+  add_definitions(-DMDBX_BUILD_CONFIG="${CMAKE_BUILD_TYPE}")
+endif()
+
+# provide build cflags
+set(MDBX_BUILD_FLAGS "")
+list(APPEND MDBX_BUILD_FLAGS ${CMAKE_C_FLAGS})
+list(APPEND MDBX_BUILD_FLAGS ${CMAKE_C_DEFINES})
+if(CMAKE_CONFIGURATION_TYPES)
+  add_definitions(-DMDBX_BUILD_FLAGS_CONFIG="$<$<CONFIG:Debug>:${CMAKE_C_FLAGS_DEBUG} ${CMAKE_C_DEFINES_DEBUG}>$<$<CONFIG:Release>:${CMAKE_C_FLAGS_RELEASE} ${CMAKE_C_DEFINES_RELEASE}>$<$<CONFIG:RelWithDebInfo>:${CMAKE_C_FLAGS_RELWITHDEBINFO} ${CMAKE_C_DEFINES_RELWITHDEBINFO}>$<$<CONFIG:MinSizeRel>:${CMAKE_C_FLAGS_MINSIZEREL} ${CMAKE_C_DEFINES_MINSIZEREL}>")
+else()
+  string(TOUPPER ${CMAKE_BUILD_TYPE} CMAKE_BUILD_TYPE_UPPERCASE)
+  list(APPEND MDBX_BUILD_FLAGS ${CMAKE_C_FLAGS_${CMAKE_BUILD_TYPE_UPPERCASE}})
+  list(APPEND MDBX_BUILD_FLAGS ${CMAKE_C_DEFINES_${CMAKE_BUILD_TYPE_UPPERCASE}})
+endif()
+list(REMOVE_DUPLICATES MDBX_BUILD_FLAGS)
+string(REPLACE ";" " " MDBX_BUILD_FLAGS "${MDBX_BUILD_FLAGS}")
+add_definitions(-DMDBX_BUILD_FLAGS="${MDBX_BUILD_FLAGS}")
+
+# shared library
+if(NOT DEFINED MDBX_BUILD_SHARED_LIBRARY)
+  if(DEFINED BUILD_SHARED_LIBS)
+    option(MDBX_BUILD_SHARED_LIBRARY "Build libmdbx as shared library (DLL)" ${BUILD_SHARED_LIBS})
+  else()
+    option(MDBX_BUILD_SHARED_LIBRARY "Build libmdbx as shared library (DLL)" ON)
+  endif()
+endif()
+if(MDBX_BUILD_SHARED_LIBRARY)
+  add_library(mdbx SHARED mdbx.c mdbx.h)
+  set_target_properties(mdbx PROPERTIES
+    C_STANDARD ${MDBX_C_STANDARD} C_STANDARD_REQUIRED ON
+    PUBLIC_HEADER mdbx.h)
+  target_compile_definitions(mdbx PRIVATE LIBMDBX_EXPORTS INTERFACE LIBMDBX_IMPORTS)
+  if(DEFINED INTERPROCEDURAL_OPTIMIZATION)
+    set_target_properties(mdbx PROPERTIES
+      INTERPROCEDURAL_OPTIMIZATION $<BOOL:${INTERPROCEDURAL_OPTIMIZATION}>)
+  endif()
+  target_link_libraries(mdbx PRIVATE ${CMAKE_THREAD_LIBS_INIT})
+  if(WIN32)
+    target_link_libraries(mdbx PRIVATE ntdll.lib)
+  endif()
+endif()
+
+# static library used for tools, to avoid rpath/dll-path troubles
+add_library(mdbx-static STATIC EXCLUDE_FROM_ALL mdbx.c mdbx.h)
+set_target_properties(mdbx-static PROPERTIES
+  C_STANDARD ${MDBX_C_STANDARD} C_STANDARD_REQUIRED ON
+  PUBLIC_HEADER mdbx.h)
+target_link_libraries(mdbx-static INTERFACE ${CMAKE_THREAD_LIBS_INIT})
+if(DEFINED INTERPROCEDURAL_OPTIMIZATION)
+  set_target_properties(mdbx-static PROPERTIES
+    INTERPROCEDURAL_OPTIMIZATION $<BOOL:${INTERPROCEDURAL_OPTIMIZATION}>)
+endif()
+if(WIN32)
+  target_link_libraries(mdbx-static INTERFACE ntdll.lib)
+endif()
+
+# mdbx-tools
+foreach(TOOL mdbx_chk mdbx_copy mdbx_stat mdbx_dump mdbx_load)
+  add_executable(${TOOL} ${TOOL}.c)
+  set_target_properties(${TOOL} PROPERTIES
+    C_STANDARD ${MDBX_C_STANDARD} C_STANDARD_REQUIRED ON)
+  if(DEFINED INTERPROCEDURAL_OPTIMIZATION)
+    set_target_properties(${TOOL} PROPERTIES
+      INTERPROCEDURAL_OPTIMIZATION $<BOOL:${INTERPROCEDURAL_OPTIMIZATION}>)
+  endif()
+  target_link_libraries(${TOOL} mdbx-static)
+endforeach()
+
+cmake_policy(POP)

contrib/db/libmdbx/CMakeLists.txt

@@ -0,0 +1,342 @@
+##
+##  Copyright 2019 Leonid Yuriev <leo@yuriev.ru>
+##  and other libmdbx authors: please see AUTHORS file.
+##  All rights reserved.
+##
+##  Redistribution and use in source and binary forms, with or without
+##  modification, are permitted only as authorized by the OpenLDAP
+##  Public License.
+##
+##  A copy of this license is available in the file LICENSE in the
+##  top-level directory of the distribution or, alternatively, at
+##  <http://www.OpenLDAP.org/license.html>.
+##
+
+##
+##  libmdbx = { Revised and extended descendant of Symas LMDB. }
+##  Please see README.md at https://github.com/leo-yuriev/libmdbx
+##
+##  Libmdbx is superior to LMDB in terms of features and reliability,
+##  not inferior in performance. libmdbx works on Linux, FreeBSD, MacOS X
+##  and other systems compliant with POSIX.1-2008, but also support Windows
+##  as a complementary platform.
+##
+##  The next version is under active non-public development and will be
+##  released as MithrilDB and libmithrildb for libraries & packages.
+##  Admittedly mythical Mithril is resembling silver but being stronger and
+##  lighter than steel. Therefore MithrilDB is rightly relevant name.
+##
+##  MithrilDB will be radically different from libmdbx by the new database
+##  format and API based on C++17, as well as the Apache 2.0 License.
+##  The goal of this revolution is to provide a clearer and robust API,
+##  add more features and new valuable properties of database.
+##
+##  The Future will (be) Positive. Всё будет хорошо.
+##
+
+cmake_minimum_required(VERSION 3.8.2)
+cmake_policy(PUSH)
+cmake_policy(VERSION 3.8.2)
+if(NOT CMAKE_VERSION VERSION_LESS 3.13)
+  cmake_policy(SET CMP0077 NEW)
+endif()
+if(NOT CMAKE_VERSION VERSION_LESS 3.12)
+  cmake_policy(SET CMP0075 NEW)
+endif()
+if(NOT CMAKE_VERSION VERSION_LESS 3.9)
+  cmake_policy(SET CMP0069 NEW)
+  include(CheckIPOSupported)
+  check_ipo_supported(RESULT CMAKE_INTERPROCEDURAL_OPTIMIZATION_AVAILABLE)
+else()
+  set(CMAKE_INTERPROCEDURAL_OPTIMIZATION_AVAILABLE FALSE)
+endif()
+
+if(DEFINED PROJECT_NAME)
+  set(SUBPROJECT ON)
+  set(NOT_SUBPROJECT OFF)
+  if(NOT DEFINED BUILD_TESTING)
+    set(BUILD_TESTING OFF)
+  endif()
+else()
+  set(SUBPROJECT OFF)
+  set(NOT_SUBPROJECT ON)
+  project(libmdbx C CXX)
+  if(NOT DEFINED BUILD_TESTING)
+    set(BUILD_TESTING ON)
+  endif()
+endif()
+
+if(NOT CMAKE_BUILD_TYPE)
+  set(CMAKE_BUILD_TYPE MinSizeRel CACHE STRING
+    "Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel."
+    FORCE)
+endif()
+
+macro(add_mdbx_option NAME DESCRIPTION DEFAULT)
+  list(APPEND MDBX_BUILD_OPTIONS ${NAME})
+  if(NOT ${DEFAULT} STREQUAL "AUTO")
+    option(${NAME} "${DESCRIPTION}" ${DEFAULT})
+  endif()
+endmacro()
+
+# only for compatibility testing
+# set(CMAKE_CXX_STANDARD 14)
+
+if(NOT "$ENV{TEAMCITY_PROCESS_FLOW_ID}" STREQUAL "")
+  set(CI TEAMCITY)
+  message(STATUS "TeamCity CI")
+elseif(NOT "$ENV{TRAVIS}" STREQUAL "")
+  set(CI TRAVIS)
+  message(STATUS "Travis CI")
+elseif(NOT "$ENV{CIRCLECI}" STREQUAL "")
+  set(CI CIRCLE)
+  message(STATUS "Circle CI")
+elseif(NOT "$ENV{APPVEYOR}" STREQUAL "")
+  set(CI APPVEYOR)
+  message(STATUS "AppVeyor CI")
+elseif(NOT "$ENV{CI}" STREQUAL "")
+  set(CI "$ENV{CI}")
+  message(STATUS "Other CI (${CI})")
+else()
+  message(STATUS "Assume No any CI environment")
+  unset(CI)
+endif()
+
+# output all mdbx-related targets in single directory
+if(NOT DEFINED MDBX_OUTPUT_DIR)
+  set(MDBX_OUTPUT_DIR ${CMAKE_CURRENT_BINARY_DIR})
+endif()
+set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${MDBX_OUTPUT_DIR})
+set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${MDBX_OUTPUT_DIR})
+set(CMAKE_PDB_OUTPUT_DIRECTORY ${MDBX_OUTPUT_DIR})
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${MDBX_OUTPUT_DIR})
+
+include(CheckLibraryExists)
+include(CheckIncludeFiles)
+include(CheckCCompilerFlag)
+include(CheckSymbolExists)
+include(CheckCSourceRuns)
+include(CheckCXXSourceRuns)
+include(CheckCSourceCompiles)
+include(CheckCXXSourceCompiles)
+include(TestBigEndian)
+include(CheckFunctionExists)
+include(FindPackageMessage)
+include(CheckStructHasMember)
+include(CMakeDependentOption)
+include(GNUInstallDirs)
+
+if(CMAKE_C_COMPILER_ID STREQUAL "MSVC" AND MSVC_VERSION LESS 1900)
+  message(SEND_ERROR "MSVC compiler ${MSVC_VERSION} is too old for building MDBX."
+    " At least 'Microsoft Visual Studio 2015' is required.")
+endif()
+
+# Set default build type to Release. This is to ease a User's life.
+if(NOT CMAKE_BUILD_TYPE)
+  set(CMAKE_BUILD_TYPE Release CACHE STRING
+    "Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel."
+    FORCE)
+endif()
+string(TOUPPER ${CMAKE_BUILD_TYPE} CMAKE_BUILD_TYPE_UPPERCASE)
+
+include(cmake/utils.cmake)
+include(cmake/compiler.cmake)
+include(cmake/profile.cmake)
+
+find_program(ECHO echo)
+find_program(CAT cat)
+find_program(GIT git)
+find_program(LD ld)
+
+# CHECK_INCLUDE_FILES(unistd.h HAVE_UNISTD_H)
+# CHECK_INCLUDE_FILES(sys/uio.h HAVE_SYS_UIO_H)
+# CHECK_INCLUDE_FILES(sys/stat.h HAVE_SYS_STAT_H)
+
+CHECK_FUNCTION_EXISTS(pow NOT_NEED_LIBM)
+if(NOT_NEED_LIBM)
+  set(LIB_MATH "")
+else()
+  set(CMAKE_REQUIRED_LIBRARIES m)
+  CHECK_FUNCTION_EXISTS(pow HAVE_LIBM)
+  if(HAVE_LIBM)
+    set(LIB_MATH m)
+  else()
+    message(FATAL_ERROR "No libm found for math support")
+  endif()
+endif()
+
+find_package(Threads REQUIRED)
+
+if(SUBPROJECT)
+  if(NOT DEFINED BUILD_SHARED_LIBS)
+    option(BUILD_SHARED_LIBS "Build shared libraries (DLLs)" OFF)
+  endif()
+  if(NOT DEFINED CMAKE_POSITION_INDEPENDENT_CODE)
+    option(CMAKE_POSITION_INDEPENDENT_CODE "Generate position independed (PIC)" ON)
+  endif()
+else()
+  option(BUILD_SHARED_LIBS "Build shared libraries (DLLs)" ON)
+  option(CMAKE_POSITION_INDEPENDENT_CODE "Generate position independed (PIC)" ON)
+  if (CC_HAS_ARCH_NATIVE)
+    option(BUILD_FOR_NATIVE_CPU "Generate code for the compiling machine CPU" OFF)
+  endif()
+
+  if(CMAKE_CONFIGURATION_TYPES OR NOT CMAKE_BUILD_TYPE_UPPERCASE STREQUAL "DEBUG")
+    set(INTERPROCEDURAL_OPTIMIZATION_DEFAULT ON)
+  else()
+    set(INTERPROCEDURAL_OPTIMIZATION_DEFAULT OFF)
+  endif()
+
+  if(CMAKE_INTERPROCEDURAL_OPTIMIZATION_AVAILABLE
+      OR GCC_LTO_AVAILABLE OR MSVC_LTO_AVAILABLE OR CLANG_LTO_AVAILABLE)
+    option(INTERPROCEDURAL_OPTIMIZATION "Enable interprocedural/LTO optimization" ${INTERPROCEDURAL_OPTIMIZATION_DEFAULT})
+  endif()
+
+  if(INTERPROCEDURAL_OPTIMIZATION)
+    if(GCC_LTO_AVAILABLE)
+      set(LTO_ENABLED TRUE)
+      set(CMAKE_AR ${CMAKE_GCC_AR} CACHE PATH "Path to ar program with LTO-plugin" FORCE)
+      set(CMAKE_NM ${CMAKE_GCC_NM} CACHE PATH "Path to nm program with LTO-plugin" FORCE)
+      set(CMAKE_RANLIB ${CMAKE_GCC_RANLIB} CACHE PATH "Path to ranlib program with LTO-plugin" FORCE)
+      message(STATUS "MDBX indulge Link-Time Optimization by GCC")
+    elseif(CLANG_LTO_AVAILABLE)
+      set(LTO_ENABLED TRUE)
+      set(CMAKE_AR ${CMAKE_CLANG_AR} CACHE PATH "Path to ar program with LTO-plugin" FORCE)
+      set(CMAKE_NM ${CMAKE_CLANG_NM} CACHE PATH "Path to nm program with LTO-plugin" FORCE)
+      set(CMAKE_RANLIB ${CMAKE_CLANG_RANLIB} CACHE PATH "Path to ranlib program with LTO-plugin" FORCE)
+      message(STATUS "MDBX indulge Link-Time Optimization by CLANG")
+    elseif(MSVC_LTO_AVAILABLE)
+      set(LTO_ENABLED TRUE)
+      message(STATUS "MDBX indulge Link-Time Optimization by MSVC")
+    elseif(CMAKE_INTERPROCEDURAL_OPTIMIZATION_AVAILABLE)
+      message(STATUS "MDBX indulge Interprocedural Optimization by CMake")
+      set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
+      set(LTO_ENABLED TRUE)
+    else()
+      message(WARNING "Unable to engage interprocedural/LTO optimization.")
+    endif()
+  else()
+    set(CMAKE_INTERPROCEDURAL_OPTIMIZATION FALSE)
+    set(LTO_ENABLED FALSE)
+  endif()
+
+  find_program(VALGRIND valgrind)
+  if(VALGRIND)
+    # LY: cmake is ugly and nasty.
+    #      - therefore memcheck-options should be defined before including ctest;
+    #      - otherwise ctest may ignore it.
+    set(MEMORYCHECK_SUPPRESSIONS_FILE
+      "${PROJECT_SOURCE_DIR}/test/valgrind_suppress.txt"
+      CACHE FILEPATH "Suppressions file for Valgrind" FORCE)
+    set(MEMORYCHECK_COMMAND_OPTIONS
+      "--trace-children=yes --leak-check=full --track-origins=yes --error-exitcode=42 --error-markers=@ --errors-for-leak-kinds=definite --fair-sched=yes --suppressions=${MEMORYCHECK_SUPPRESSIONS_FILE}"
+      CACHE STRING "Valgrind options" FORCE)
+    set(VALGRIND_COMMAND_OPTIONS "${MEMORYCHECK_COMMAND_OPTIONS}" CACHE STRING "Valgrind options" FORCE)
+  endif()
+
+  #
+  # Enable 'make tags' target.
+  find_program(CTAGS ctags)
+  if(CTAGS)
+    add_custom_target(tags COMMAND ${CTAGS} -R -f tags
+      WORKING_DIRECTORY ${CMAKE_SOURCE_DIR})
+    add_custom_target(ctags DEPENDS tags)
+  endif(CTAGS)
+
+  #
+  # Enable 'make reformat' target.
+  find_program(CLANG_FORMAT
+    NAMES clang-format-6.0 clang-format-5.0 clang-format-4.0
+    clang-format-3.9 clang-format-3.8 clang-format-3.7 clang-format)
+  if(CLANG_FORMAT AND UNIX)
+    add_custom_target(reformat
+      VERBATIM
+      COMMAND
+      git ls-files |
+      grep -E \\.\(c|cxx|cc|cpp|h|hxx|hpp\)\(\\.in\)?\$ |
+      xargs ${CLANG_FORMAT} -i --style=file
+      WORKING_DIRECTORY ${CMAKE_SOURCE_DIR})
+  endif()
+
+  if(NOT "${PROJECT_BINARY_DIR}" STREQUAL "${PROJECT_SOURCE_DIR}")
+    add_custom_target(distclean)
+    add_custom_command(TARGET distclean
+      COMMAND ${CMAKE_COMMAND} -E remove_directory "${PROJECT_BINARY_DIR}"
+      COMMENT "Removing the build directory and its content")
+  elseif(IS_DIRECTORY .git AND GIT)
+    add_custom_target(distclean)
+    add_custom_command(TARGET distclean
+      WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
+      COMMAND ${GIT} submodule foreach --recursive git clean -f -X -d
+      COMMAND ${GIT} clean -f -X -d
+      COMMENT "Removing all build files from the source directory")
+  endif()
+
+  setup_compile_flags()
+endif(SUBPROJECT)
+
+list(FIND CMAKE_C_COMPILE_FEATURES c_std_11 HAS_C11)
+if(NOT HAS_C11 LESS 0)
+  set(MDBX_C_STANDARD 11)
+else()
+  set(MDBX_C_STANDARD 99)
+endif()
+message(STATUS "Use C${MDBX_C_STANDARD} for libmdbx")
+
+##############################################################################
+##############################################################################
+#
+#         ####   #####    #####     #     ####   #    #   ####
+#        #    #  #    #     #       #    #    #  ##   #  #
+#        #    #  #    #     #       #    #    #  # #  #   ####
+#        #    #  #####      #       #    #    #  #  # #       #
+#        #    #  #          #       #    #    #  #   ##  #    #
+#         ####   #          #       #     ####   #    #   ####
+#
+
+set(MDBX_BUILD_OPTIONS ENABLE_ASAN MDBX_USE_VALGRIND ENABLE_GPROF ENABLE_GCOV)
+add_mdbx_option(MDBX_BUILD_SHARED_LIBRARY "Build libmdbx as shared library (DLL)" ${BUILD_SHARED_LIBS})
+add_mdbx_option(MDBX_ALLOY_BUILD "Build MDBX library as single object file" ON)
+add_mdbx_option(MDBX_TXN_CHECKOWNER "Checking transaction matches the calling thread inside libmdbx's API" ON)
+add_mdbx_option(MDBX_TXN_CHECKPID "Paranoid checking PID inside libmdbx's API" AUTO)
+mark_as_advanced(MDBX_TXN_CHECKPID)
+if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
+  add_mdbx_option(MDBX_DISABLE_GNU_SOURCE "Don't use nonstandard GNU/Linux extension functions" OFF)
+  mark_as_advanced(MDBX_DISABLE_GNU_SOURCE)
+endif()
+if(${CMAKE_SYSTEM_NAME} STREQUAL "Darwin")
+  add_mdbx_option(MDBX_OSX_SPEED_INSTEADOF_DURABILITY "Disable use fcntl(F_FULLFSYNC) in favor of speed" OFF)
+  mark_as_advanced(MDBX_OSX_SPEED_INSTEADOF_DURABILITY)
+endif()
+if(${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
+  add_mdbx_option(MDBX_AVOID_CRT "Avoid dependence from MSVC CRT" ${NOT_SUBPROJECT})
+  if(NOT MDBX_BUILD_SHARED_LIBRARY)
+    add_mdbx_option(MDBX_CONFIG_MANUAL_TLS_CALLBACK
+      "Provide mdbx_dll_handler() for manual initialization" OFF)
+    mark_as_advanced(MDBX_CONFIG_MANUAL_TLS_CALLBACK)
+  endif()
+else()
+  add_mdbx_option(MDBX_USE_ROBUST "Use POSIX.1-2008 robust mutexes" AUTO)
+  mark_as_advanced(MDBX_USE_ROBUST)
+  add_mdbx_option(MDBX_USE_OFDLOCKS "Use Open file description locks (aka OFD locks, non-POSIX)" AUTO)
+  mark_as_advanced(MDBX_USE_OFDLOCKS)
+endif()
+option(MDBX_ENABLE_TESTS "Build MDBX tests." ${BUILD_TESTING})
+
+################################################################################
+################################################################################
+
+add_subdirectory(src)
+if(MDBX_ENABLE_TESTS)
+  add_subdirectory(test)
+endif()
+
+set(PACKAGE "libmdbx")
+set(CPACK_PACKAGE_VERSION_MAJOR ${MDBX_VERSION_MAJOR})
+set(CPACK_PACKAGE_VERSION_MINOR ${MDBX_VERSION_MINOR})
+set(CPACK_PACKAGE_VERSION_PATCH ${MDBX_VERSION_RELEASE})
+set(CPACK_PACKAGE_VERSION_COMMIT ${MDBX_VERSION_REVISION})
+set(PACKAGE_VERSION "${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH}.${CPACK_PACKAGE_VERSION_COMMIT}")
+message(STATUS "libmdbx package version is ${PACKAGE_VERSION}")
+
+cmake_policy(POP)

contrib/db/libmdbx/COPYRIGHT

@@ -0,0 +1,22 @@
+Copyright 2015-2019 Leonid Yuriev <leo@yuriev.ru>.
+Copyright 2011-2015 Howard Chu, Symas Corp.
+Copyright 2015,2016 Peter-Service R&D LLC.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted only as authorized by the OpenLDAP
+Public License.
+
+A copy of this license is available in the file LICENSE in the
+top-level directory of the distribution or, alternatively, at
+<http://www.OpenLDAP.org/license.html>.
+
+OpenLDAP is a registered trademark of the OpenLDAP Foundation.
+
+Individual files and/or contributed packages may be copyright by
+other parties and/or subject to additional restrictions.
+
+This work also contains materials derived from public sources.
+
+Additional information about OpenLDAP can be obtained at
+<http://www.openldap.org/>.

contrib/db/libmdbx/GNUmakefile

@@ -0,0 +1,362 @@
+# This makefile is for GNU Make, and nowadays provided
+# just for compatibility and preservation of traditions.
+# Please use CMake in case of any difficulties or problems.
+#
+# Preprocessor macros (for MDBX_OPTIONS) of interest...
+# Note that the defaults should already be correct for most platforms;
+# you should not need to change any of these. Read their descriptions
+# in README and source code if you do. There may be other macros of interest.
+SHELL   := /bin/bash
+
+# install sandbox
+SANDBOX ?=
+
+# install prefixes (inside sandbox)
+prefix  ?= /usr/local
+mandir  ?= $(prefix)/man
+
+# lib/bin suffix for multiarch/biarch, e.g. '.x86_64'
+suffix  ?=
+
+CC      ?= gcc
+LD      ?= ld
+MDBX_OPTIONS ?= -DNDEBUG=1
+CFLAGS  ?= -Os -g3 -Wall -Werror -Wextra -Wpedantic -ffunction-sections -fPIC -fvisibility=hidden -std=gnu11 -pthread -Wno-tautological-compare
+
+# LY: '--no-as-needed,-lrt' for ability to built with modern glibc, but then run with the old
+LDFLAGS ?= $(shell $(LD) --help 2>/dev/null | grep -q -- --gc-sections && echo '-Wl,--gc-sections,-z,relro,-O1')$(shell $(LD) --help 2>/dev/null | grep -q -- -dead_strip && echo '-Wl,-dead_strip')
+EXE_LDFLAGS ?= -pthread
+
+################################################################################
+
+UNAME      := $(shell uname -s 2>/dev/null || echo Unknown)
+define uname2sosuffix
+  case "$(UNAME)" in
+    Darwin*|Mach*) echo dylib;;
+    CYGWIN*|MINGW*|MSYS*|Windows*) echo dll;;
+    *) echo so;;
+  esac
+endef
+SO_SUFFIX  := $(shell $(uname2sosuffix))
+
+HEADERS    := mdbx.h
+LIBRARIES  := libmdbx.a libmdbx.$(SO_SUFFIX)
+TOOLS      := mdbx_stat mdbx_copy mdbx_dump mdbx_load mdbx_chk
+MANPAGES   := mdbx_stat.1 mdbx_copy.1 mdbx_dump.1 mdbx_load.1 mdbx_chk.1
+
+.PHONY: mdbx all install clean test dist check
+
+all: $(LIBRARIES) $(TOOLS)
+
+mdbx: libmdbx.a libmdbx.$(SO_SUFFIX)
+
+tools: $(TOOLS)
+
+strip: all
+	strip libmdbx.$(SO_SUFFIX) $(TOOLS)
+
+clean:
+	rm -rf $(TOOLS) mdbx_test @* *.[ao] *.[ls]o *~ tmp.db/* \
+		*.gcov *.log *.err src/*.o test/*.o mdbx_example dist \
+		config.h src/elements/config.h src/elements/version.c *.tar*
+
+libmdbx.a: mdbx-static.o
+	$(AR) rs $@ $?
+
+libmdbx.$(SO_SUFFIX): mdbx-dylib.o
+	$(CC) $(CFLAGS) $^ -pthread -shared $(LDFLAGS) -o $@
+
+#> dist-cutoff-begin
+ifeq ($(wildcard mdbx.c),mdbx.c)
+#< dist-cutoff-end
+
+################################################################################
+# Amalgamated source code, i.e. distributed after `make dists`
+MAN_SRCDIR := man1/
+
+config.h: mdbx.c $(lastword $(MAKEFILE_LIST))
+	(echo '#define MDBX_BUILD_TIMESTAMP "$(shell date +%Y-%m-%dT%H:%M:%S%z)"' \
+	&& echo '#define MDBX_BUILD_FLAGS "$(CFLAGS) $(LDFLAGS)"' \
+	&& echo '#define MDBX_BUILD_COMPILER "$(shell set -o pipefail; $(CC) --version | head -1 || echo 'Please use GCC or CLANG compatible compiler')"' \
+	&& echo '#define MDBX_BUILD_TARGET "$(shell set -o pipefail; LC_ALL=C $(CC) -v 2>&1 | grep -i '^Target:' | cut -d ' ' -f 2- || echo 'Please use GCC or CLANG compatible compiler')"' \
+	) > $@
+
+mdbx-dylib.o: config.h mdbx.c $(lastword $(MAKEFILE_LIST))
+	$(CC) $(CFLAGS) $(MDBX_OPTIONS) '-DMDBX_CONFIG_H="config.h"' -DLIBMDBX_EXPORTS=1 -c mdbx.c -o $@
+
+mdbx-static.o: config.h mdbx.c $(lastword $(MAKEFILE_LIST))
+	$(CC) $(CFLAGS) $(MDBX_OPTIONS) '-DMDBX_CONFIG_H="config.h"' -ULIBMDBX_EXPORTS -c mdbx.c -o $@
+
+mdbx_%:	mdbx_%.c libmdbx.a
+	$(CC) $(CFLAGS) $(MDBX_OPTIONS) '-DMDBX_CONFIG_H="config.h"' $^ $(EXE_LDFLAGS) -o $@
+
+#> dist-cutoff-begin
+else
+################################################################################
+# Plain (non-amalgamated) sources with test
+
+define uname2osal
+  case "$(UNAME)" in
+    CYGWIN*|MINGW*|MSYS*|Windows*) echo windows;;
+    *) echo unix;;
+  esac
+endef
+
+define uname2titer
+  case "$(UNAME)" in
+    Darwin*|Mach*) echo 2;;
+    *) echo 12;;
+  esac
+endef
+
+DIST_EXTRA := LICENSE README.md CMakeLists.txt GNUmakefile $(addprefix man1/, $(MANPAGES))
+DIST_SRC   := mdbx.h mdbx.c $(addsuffix .c, $(TOOLS))
+
+TEST_DB    ?= $(shell [ -d /dev/shm ] && echo /dev/shm || echo /tmp)/mdbx-test.db
+TEST_LOG   ?= $(shell [ -d /dev/shm ] && echo /dev/shm || echo /tmp)/mdbx-test.log
+TEST_OSAL  := $(shell $(uname2osal))
+TEST_ITER  := $(shell $(uname2titer))
+TEST_SRC   := test/osal-$(TEST_OSAL).cc $(filter-out $(wildcard test/osal-*.cc), $(wildcard test/*.cc))
+TEST_INC   := $(wildcard test/*.h)
+TEST_OBJ   := $(patsubst %.cc,%.o,$(TEST_SRC))
+CXX        ?= g++
+CXXSTD     ?= $(shell $(CXX) -std=c++27 -c test/test.cc -o /dev/null 2>/dev/null && echo -std=c++17 || echo -std=c++11)
+CXXFLAGS   := $(CXXSTD) $(filter-out -std=gnu11,$(CFLAGS))
+
+MAN_SRCDIR := src/man1/
+ALLOY_DEPS := $(wildcard src/elements/*)
+MDBX_VERSION_GIT = ${shell set -o pipefail; git describe --tags | sed -n 's|^v*\([0-9]\{1,\}\.[0-9]\{1,\}\.[0-9]\{1,\}\)\(.*\)|\1|p' || echo 'Please fetch tags and/or install latest git version'}
+MDBX_GIT_TIMESTAMP = $(shell git show --no-patch --format=%cI HEAD || echo 'Please install latest get version')
+MDBX_GIT_DESCRIBE = $(shell git describe --tags --long --dirty=-dirty || echo 'Please fetch tags and/or install latest git version')
+MDBX_VERSION_SUFFIX = $(shell set -o pipefail; echo -n '$(MDBX_GIT_DESCRIBE)' | tr -c -s '[a-zA-Z0-9]' _)
+MDBX_BUILD_SOURCERY = $(shell set -o pipefail; $(MAKE) -s src/elements/version.c && (openssl dgst -r -sha256 src/elements/version.c || sha256sum src/elements/version.c || shasum -a 256 src/elements/version.c) 2>/dev/null | cut -d ' ' -f 1 || echo 'Please install openssl or sha256sum or shasum')_$(MDBX_VERSION_SUFFIX)
+
+test check: all mdbx_example mdbx_test
+	rm -f $(TEST_DB) $(TEST_LOG) && (set -o pipefail; \
+		(./mdbx_test --progress --console=no --repeat=$(TEST_ITER) --pathname=$(TEST_DB) --dont-cleanup-after basic && \
+		./mdbx_test --mode=-writemap,-lifo --progress --console=no --repeat=1 --pathname=$(TEST_DB) --dont-cleanup-after basic) \
+		| tee -a $(TEST_LOG) | tail -n 42) \
+	&& ./mdbx_chk -vvn $(TEST_DB) && ./mdbx_chk -vvn $(TEST_DB)-copy
+
+mdbx_example: mdbx.h example/example-mdbx.c libmdbx.$(SO_SUFFIX)
+	$(CC) $(CFLAGS) -I. example/example-mdbx.c ./libmdbx.$(SO_SUFFIX) -o $@
+
+check-singleprocess: all mdbx_test
+	rm -f $(TEST_DB) $(TEST_LOG) && (set -o pipefail; \
+		(./mdbx_test --progress --console=no --repeat=42 --pathname=$(TEST_DB) --dont-cleanup-after --hill && \
+		./mdbx_test --progress --console=no --repeat=2 --pathname=$(TEST_DB) --dont-cleanup-before --dont-cleanup-after --copy && \
+		./mdbx_test --mode=-writemap,-lifo --progress --console=no --repeat=42 --pathname=$(TEST_DB) --dont-cleanup-after --nested) \
+		| tee -a $(TEST_LOG) | tail -n 42) \
+	&& ./mdbx_chk -vvn $(TEST_DB) && ./mdbx_chk -vvn $(TEST_DB)-copy
+
+check-fault: all mdbx_test
+	rm -f $(TEST_DB) $(TEST_LOG) && (set -o pipefail; ./mdbx_test --progress --console=no --pathname=$(TEST_DB) --inject-writefault=42 --dump-config --dont-cleanup-after basic | tee -a $(TEST_LOG) | tail -n 42) \
+	; ./mdbx_chk -vvnw $(TEST_DB) && ([ ! -e $(TEST_DB)-copy ] || ./mdbx_chk -vvn $(TEST_DB)-copy)
+
+VALGRIND=valgrind --trace-children=yes --log-file=valgrind-%p.log --leak-check=full --track-origins=yes --error-exitcode=42 --suppressions=test/valgrind_suppress.txt
+memcheck check-valgrind: all mdbx_test
+	@echo "$(MDBX_OPTIONS)" | grep -q MDBX_USE_VALGRIND || echo "WARNING: Please build libmdbx with -DMDBX_USE_VALGRIND to avoid false-positives from Valgrind !!!" >&2
+	rm -f valgrind-*.log $(TEST_DB) $(TEST_LOG) && (set -o pipefail; \
+		($(VALGRIND) ./mdbx_test --mode=-writemap,-lifo --progress --console=no --repeat=4 --pathname=$(TEST_DB) --dont-cleanup-after basic && \
+		$(VALGRIND) ./mdbx_test --progress --console=no --pathname=$(TEST_DB) --dont-cleanup-before --dont-cleanup-after --copy && \
+		$(VALGRIND) ./mdbx_test --progress --console=no --repeat=2 --pathname=$(TEST_DB) --dont-cleanup-after basic) \
+		| tee -a $(TEST_LOG) | tail -n 42) \
+	&& $(VALGRIND) ./mdbx_chk -vvn $(TEST_DB) && ./mdbx_chk -vvn $(TEST_DB)-copy
+
+define test-rule
+$(patsubst %.cc,%.o,$(1)): $(1) $(TEST_INC) mdbx.h $(lastword $(MAKEFILE_LIST))
+	$(CXX) $(CXXFLAGS) $(MDBX_OPTIONS) -c $(1) -o $$@
+
+endef
+$(foreach file,$(TEST_SRC),$(eval $(call test-rule,$(file))))
+
+mdbx_%:	src/tools/mdbx_%.c libmdbx.a
+	$(CC) $(CFLAGS) $(MDBX_OPTIONS) '-DMDBX_CONFIG_H="config.h"' $^ $(EXE_LDFLAGS) -o $@
+
+mdbx_test: $(TEST_OBJ) libmdbx.$(SO_SUFFIX)
+	$(CXX) $(CXXFLAGS) $(TEST_OBJ) -Wl,-rpath . -L . -l mdbx $(EXE_LDFLAGS) -o $@
+
+git_DIR := $(shell if [ -d .git ]; then echo .git; elif [ -s .git -a -f .git ]; then grep '^gitdir: ' .git | cut -d ':' -f 2; else echo "Please use libmdbx as a git-submodule or the amalgamated source code" >&2 && echo git_directory; fi)
+
+src/elements/version.c: src/elements/version.c.in $(lastword $(MAKEFILE_LIST)) $(git_DIR)/HEAD $(git_DIR)/index $(git_DIR)/refs/tags
+	sed \
+		-e "s|@MDBX_GIT_TIMESTAMP@|$(MDBX_GIT_TIMESTAMP)|" \
+		-e "s|@MDBX_GIT_TREE@|$(shell git show --no-patch --format=%T HEAD || echo 'Please install latest get version')|" \
+		-e "s|@MDBX_GIT_COMMIT@|$(shell git show --no-patch --format=%H HEAD || echo 'Please install latest get version')|" \
+		-e "s|@MDBX_GIT_DESCRIBE@|$(MDBX_GIT_DESCRIBE)|" \
+		-e "s|\$${MDBX_VERSION_MAJOR}|$(shell echo '$(MDBX_VERSION_GIT)' | cut -d . -f 1)|" \
+		-e "s|\$${MDBX_VERSION_MINOR}|$(shell echo '$(MDBX_VERSION_GIT)' | cut -d . -f 2)|" \
+		-e "s|\$${MDBX_VERSION_RELEASE}|$(shell echo '$(MDBX_VERSION_GIT)' | cut -d . -f 3)|" \
+		-e "s|\$${MDBX_VERSION_REVISION}|$(shell git rev-list --count --no-merges HEAD || echo 'Please fetch tags and/or install latest git version')|" \
+	src/elements/version.c.in > $@
+
+src/elements/config.h: src/elements/version.c $(lastword $(MAKEFILE_LIST))
+	(echo '#define MDBX_BUILD_TIMESTAMP "$(shell date +%Y-%m-%dT%H:%M:%S%z)"' \
+	&& echo '#define MDBX_BUILD_FLAGS "$(CFLAGS) $(LDFLAGS)"' \
+	&& echo '#define MDBX_BUILD_COMPILER "$(shell set -o pipefail; $(CC) --version | head -1 || echo 'Please use GCC or CLANG compatible compiler')"' \
+	&& echo '#define MDBX_BUILD_TARGET "$(shell set -o pipefail; LC_ALL=C $(CC) -v 2>&1 | grep -i '^Target:' | cut -d ' ' -f 2- || echo 'Please use GCC or CLANG compatible compiler')"' \
+	&& echo '#define MDBX_BUILD_SOURCERY $(MDBX_BUILD_SOURCERY)' \
+	) > $@
+
+mdbx-dylib.o: src/elements/config.h src/elements/version.c src/alloy.c $(ALLOY_DEPS) $(lastword $(MAKEFILE_LIST))
+	$(CC) $(CFLAGS) $(MDBX_OPTIONS) '-DMDBX_CONFIG_H="config.h"' -DLIBMDBX_EXPORTS=1 -c src/alloy.c -o $@
+
+mdbx-static.o: src/elements/config.h src/elements/version.c src/alloy.c $(ALLOY_DEPS) $(lastword $(MAKEFILE_LIST))
+	$(CC) $(CFLAGS) $(MDBX_OPTIONS) '-DMDBX_CONFIG_H="config.h"' -ULIBMDBX_EXPORTS -c src/alloy.c -o $@
+
+.PHONY: dist
+dist: libmdbx-sources-$(MDBX_VERSION_SUFFIX).tar.gz $(lastword $(MAKEFILE_LIST))
+
+libmdbx-sources-$(MDBX_VERSION_SUFFIX).tar.gz: $(addprefix dist/, $(DIST_SRC) $(DIST_EXTRA)) $(addprefix dist/man1/,$(MANPAGES))
+	tar -c -a -f $@ --owner=0 --group=0 -C dist $(DIST_SRC) $(DIST_EXTRA) \
+	&& rm dist/@tmp-shared_internals.inc
+
+dist/mdbx.h: mdbx.h src/elements/version.c $(lastword $(MAKEFILE_LIST))
+	mkdir -p dist && cp $< $@
+
+dist/GNUmakefile: GNUmakefile
+	mkdir -p dist && sed -e '/^#> dist-cutoff-begin/,/^#< dist-cutoff-end/d' $< > $@
+
+dist/@tmp-shared_internals.inc: src/elements/version.c $(ALLOY_DEPS) $(lastword $(MAKEFILE_LIST))
+	mkdir -p dist && sed \
+		-e 's|#pragma once|#define MDBX_ALLOY 1\n#define MDBX_BUILD_SOURCERY $(MDBX_BUILD_SOURCERY)|' \
+		-e 's|#include "../../mdbx.h"|@INCLUDE "mdbx.h"|' \
+		-e '/#include "defs.h"/r src/elements/defs.h' \
+		-e '/#include "osal.h"/r src/elements/osal.h' \
+		src/elements/internals.h > $@
+
+dist/mdbx.c: dist/@tmp-shared_internals.inc $(lastword $(MAKEFILE_LIST))
+	mkdir -p dist && (cat dist/@tmp-shared_internals.inc \
+	&& cat src/elements/core.c src/elements/osal.c src/elements/version.c \
+	&& echo '#if defined(_WIN32) || defined(_WIN64)' \
+	&& cat src/elements/lck-windows.c && echo '#else /* LCK-implementation */' \
+	&& cat src/elements/lck-posix.c && echo '#endif /* LCK-implementation */' \
+	) | grep -v -e '#include "' -e '#pragma once' | sed 's|@INCLUDE|#include|' > $@
+
+define dist-tool-rule
+dist/$(1).c: src/tools/$(1).c src/tools/wingetopt.h src/tools/wingetopt.c \
+		dist/@tmp-shared_internals.inc $(lastword $(MAKEFILE_LIST))
+	mkdir -p dist && sed \
+		-e '/#include "..\/elements\/internals.h"/r dist/@tmp-shared_internals.inc' \
+		-e '/#include "wingetopt.h"/r src/tools/wingetopt.c' \
+		src/tools/$(1).c \
+	| grep -v -e '#include "' -e '#pragma once' -e '#define MDBX_ALLOY' \
+	| sed 's|@INCLUDE|#include|' > $$@
+
+endef
+$(foreach file,$(TOOLS),$(eval $(call dist-tool-rule,$(file))))
+
+dist/man1/mdbx_%.1: src/man1/mdbx_%.1
+	mkdir -p dist/man1/ && cp $< $@
+dist/LICENSE: LICENSE
+	mkdir -p dist/man1/ && cp $< $@
+dist/README.md: README.md
+	mkdir -p dist/man1/ && cp $< $@
+dist/CMakeLists.txt: CMakeLists.dist-minimal
+	mkdir -p dist/man1/ && cp $< $@
+endif
+
+################################################################################
+# Cross-compilation simple test
+
+CROSS_LIST = mips-linux-gnu-gcc \
+	powerpc64-linux-gnu-gcc powerpc-linux-gnu-gcc \
+	arm-linux-gnueabihf-gcc aarch64-linux-gnu-gcc \
+	sh4-linux-gnu-gcc mips64-linux-gnuabi64-gcc
+
+# hppa-linux-gnu-gcc          - don't supported by current qemu release
+# s390x-linux-gnu-gcc         - qemu troubles (hang/abort)
+# sparc64-linux-gnu-gcc       - qemu troubles (fcntl for F_SETLK/F_GETLK)
+# alpha-linux-gnu-gcc         - qemu (or gcc) troubles (coredump)
+
+CROSS_LIST_NOQEMU = hppa-linux-gnu-gcc s390x-linux-gnu-gcc \
+	sparc64-linux-gnu-gcc alpha-linux-gnu-gcc
+
+cross-gcc:
+	@echo "CORRESPONDING CROSS-COMPILERs ARE REQUIRED."
+	@echo "FOR INSTANCE: apt install g++-aarch64-linux-gnu g++-alpha-linux-gnu g++-arm-linux-gnueabihf g++-hppa-linux-gnu g++-mips-linux-gnu g++-mips64-linux-gnuabi64 g++-powerpc-linux-gnu g++-powerpc64-linux-gnu g++-s390x-linux-gnu g++-sh4-linux-gnu g++-sparc64-linux-gnu"
+	@for CC in $(CROSS_LIST_NOQEMU) $(CROSS_LIST); do \
+		echo "===================== $$CC"; \
+		$(MAKE) clean && CC=$$CC CXX=$$(echo $$CC | sed 's/-gcc/-g++/') EXE_LDFLAGS=-static $(MAKE) all || exit $$?; \
+	done
+
+# Unfortunately qemu don't provide robust support for futexes.
+# Therefore it is impossible to run full multi-process tests.
+cross-qemu:
+	@echo "CORRESPONDING CROSS-COMPILERs AND QEMUs ARE REQUIRED."
+	@echo "FOR INSTANCE: "
+	@echo "	1) apt install g++-aarch64-linux-gnu g++-alpha-linux-gnu g++-arm-linux-gnueabihf g++-hppa-linux-gnu g++-mips-linux-gnu g++-mips64-linux-gnuabi64 g++-powerpc-linux-gnu g++-powerpc64-linux-gnu g++-s390x-linux-gnu g++-sh4-linux-gnu g++-sparc64-linux-gnu"
+	@echo "	2) apt install binfmt-support qemu-user-static qemu-user qemu-system-arm qemu-system-mips qemu-system-misc qemu-system-ppc qemu-system-sparc"
+	@for CC in $(CROSS_LIST); do \
+		echo "===================== $$CC + qemu"; \
+		$(MAKE) clean && \
+			CC=$$CC CXX=$$(echo $$CC | sed 's/-gcc/-g++/') EXE_LDFLAGS=-static MDBX_OPTIONS="-DMDBX_SAFE4QEMU $(MDBX_OPTIONS)" \
+			$(MAKE) check-singleprocess || exit $$?; \
+	done
+
+#< dist-cutoff-end
+install: $(LIBRARIES) $(TOOLS) $(HEADERS)
+	mkdir -p $(SANDBOX)$(prefix)/bin$(suffix) \
+		&& cp -t $(SANDBOX)$(prefix)/bin$(suffix) $(TOOLS) && \
+	mkdir -p $(SANDBOX)$(prefix)/lib$(suffix) \
+		&& cp -t $(SANDBOX)$(prefix)/lib$(suffix) $(LIBRARIES) && \
+	mkdir -p $(SANDBOX)$(prefix)/include \
+		&& cp -t $(SANDBOX)$(prefix)/include $(HEADERS) && \
+	mkdir -p $(SANDBOX)$(mandir)/man1 \
+		&& cp -t $(SANDBOX)$(mandir)/man1 $(addprefix $(MAN_SRCDIR), $(MANPAGES))
+
+################################################################################
+# Benchmarking by ioarena
+
+IOARENA ?= $(shell \
+  (test -x ../ioarena/@BUILD/src/ioarena && echo ../ioarena/@BUILD/src/ioarena) || \
+  (test -x ../../@BUILD/src/ioarena && echo ../../@BUILD/src/ioarena) || \
+  (test -x ../../src/ioarena && echo ../../src/ioarena) || which ioarena)
+NN	?= 25000000
+
+ifneq ($(wildcard $(IOARENA)),)
+
+.PHONY: bench clean-bench re-bench
+
+clean-bench:
+	rm -rf bench-*.txt _ioarena/*
+
+re-bench: clean-bench bench
+
+define bench-rule
+bench-$(1)_$(2).txt: $(3) $(IOARENA) $(lastword $(MAKEFILE_LIST))
+	LD_LIBRARY_PATH="./:$$$${LD_LIBRARY_PATH}" \
+		$(IOARENA) -D $(1) -B crud -m nosync -n $(2) \
+		| tee $$@ | grep throughput && \
+	LD_LIBRARY_PATH="./:$$$${LD_LIBRARY_PATH}" \
+		$(IOARENA) -D $(1) -B get,iterate -m sync -r 4 -n $(2) \
+		| tee -a $$@ | grep throughput \
+	|| mv -f $$@ $$@.error
+
+endef
+
+$(eval $(call bench-rule,mdbx,$(NN),libmdbx.$(SO_SUFFIX)))
+
+$(eval $(call bench-rule,sophia,$(NN)))
+$(eval $(call bench-rule,leveldb,$(NN)))
+$(eval $(call bench-rule,rocksdb,$(NN)))
+$(eval $(call bench-rule,wiredtiger,$(NN)))
+$(eval $(call bench-rule,forestdb,$(NN)))
+$(eval $(call bench-rule,lmdb,$(NN)))
+$(eval $(call bench-rule,nessdb,$(NN)))
+$(eval $(call bench-rule,sqlite3,$(NN)))
+$(eval $(call bench-rule,ejdb,$(NN)))
+$(eval $(call bench-rule,vedisdb,$(NN)))
+$(eval $(call bench-rule,dummy,$(NN)))
+
+$(eval $(call bench-rule,debug,10))
+
+bench: bench-mdbx_$(NN).txt
+
+.PHONY: bench-debug
+
+bench-debug: bench-debug_10.txt
+
+bench-quartet: bench-mdbx_$(NN).txt bench-lmdb_$(NN).txt bench-rocksdb_$(NN).txt bench-wiredtiger_$(NN).txt
+
+endif

contrib/db/libmdbx/LICENSE

@@ -0,0 +1,47 @@
+The OpenLDAP Public License
+  Version 2.8, 17 August 2003
+
+Redistribution and use of this software and associated documentation
+("Software"), with or without modification, are permitted provided
+that the following conditions are met:
+
+1. Redistributions in source form must retain copyright statements
+   and notices,
+
+2. Redistributions in binary form must reproduce applicable copyright
+   statements and notices, this list of conditions, and the following
+   disclaimer in the documentation and/or other materials provided
+   with the distribution, and
+
+3. Redistributions must contain a verbatim copy of this document.
+
+The OpenLDAP Foundation may revise this license from time to time.
+Each revision is distinguished by a version number.  You may use
+this Software under terms of this license revision or under the
+terms of any subsequent revision of the license.
+
+THIS SOFTWARE IS PROVIDED BY THE OPENLDAP FOUNDATION AND ITS
+CONTRIBUTORS ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
+INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT
+SHALL THE OPENLDAP FOUNDATION, ITS CONTRIBUTORS, OR THE AUTHOR(S)
+OR OWNER(S) OF THE SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+
+The names of the authors and copyright holders must not be used in
+advertising or otherwise to promote the sale, use or other dealing
+in this Software without specific, written prior permission.  Title
+to copyright in this Software shall at all times remain with copyright
+holders.
+
+OpenLDAP is a registered trademark of the OpenLDAP Foundation.
+
+Copyright 1999-2003 The OpenLDAP Foundation, Redwood City,
+California, USA.  All Rights Reserved.  Permission to copy and
+distribute verbatim copies of this document is granted.

contrib/db/libmdbx/README.md

@@ -0,0 +1,591 @@
+### The [repository now only mirrored on the Github](https://abf.io/erthink/libmdbx) due to illegal discriminatory restrictions for Russian Crimea and for sovereign crimeans.
+<!-- Required extensions: pymdownx.betterem, pymdownx.tilde, pymdownx.emoji, pymdownx.tasklist, pymdownx.superfences -->
+-----
+
+libmdbx
+======================================
+
+_libmdbx_ is an extremely fast, compact, powerful, embedded
+transactional [key-value
+store](https://en.wikipedia.org/wiki/Key-value_database)
+database, with permissive [OpenLDAP Public License](LICENSE).
+_libmdbx_ has a specific set of properties and capabilities,
+focused on creating unique lightweight solutions with
+extraordinary performance.
+
+The next version is under active non-public development and will be
+released as **_MithrilDB_** and `libmithrildb` for libraries & packages.
+Admittedly mythical [Mithril](https://en.wikipedia.org/wiki/Mithril) is
+resembling silver but being stronger and lighter than steel. Therefore
+_MithrilDB_ is rightly relevant name.
+> _MithrilDB_ will be radically different from _libmdbx_ by the new
+> database format and API based on C++17, as well as the [Apache 2.0
+> License](https://www.apache.org/licenses/LICENSE-2.0). The goal of this
+> revolution is to provide a clearer and robust API, add more features and
+> new valuable properties of database.
+
+*The Future will (be) [Positive](https://www.ptsecurity.com). Всё будет хорошо.*
+
+[![Build Status](https://travis-ci.org/leo-yuriev/libmdbx.svg?branch=master)](https://travis-ci.org/leo-yuriev/libmdbx)
+[![Build status](https://ci.appveyor.com/api/projects/status/ue94mlopn50dqiqg/branch/master?svg=true)](https://ci.appveyor.com/project/leo-yuriev/libmdbx/branch/master)
+[![Coverity Scan Status](https://scan.coverity.com/projects/12915/badge.svg)](https://scan.coverity.com/projects/reopen-libmdbx)
+
+## Table of Contents
+- [Overview](#overview)
+    - [Comparison with other databases](#comparison-with-other-databases)
+    - [History & Acknowledgments](#history)
+- [Description](#description)
+    - [Key features](#key-features)
+    - [Improvements over LMDB](#improvements-over-lmdb)
+    - [Gotchas](#gotchas)
+- [Usage](#usage)
+    - [Building](#building)
+    - [Bindings](#bindings)
+- [Performance comparison](#performance-comparison)
+    - [Integral performance](#integral-performance)
+    - [Read scalability](#read-scalability)
+    - [Sync-write mode](#sync-write-mode)
+    - [Lazy-write mode](#lazy-write-mode)
+    - [Async-write mode](#async-write-mode)
+    - [Cost comparison](#cost-comparison)
+
+-----
+
+## Overview
+
+_libmdbx_ is revised and extended descendant of amazing [Lightning
+Memory-Mapped
+Database](https://en.wikipedia.org/wiki/Lightning_Memory-Mapped_Database).
+_libmdbx_ inherits all features and characteristics from
+[LMDB](https://en.wikipedia.org/wiki/Lightning_Memory-Mapped_Database),
+but resolves some issues and adds several features.
+
+ - _libmdbx_ guarantee data integrity after crash unless this was explicitly
+neglected in favour of write performance.
+
+ - _libmdbx_ allows multiple processes to read and update several key-value
+tables concurrently, while being
+[ACID](https://en.wikipedia.org/wiki/ACID)-compliant, with minimal
+overhead and Olog(N) operation cost.
+
+ - _libmdbx_ enforce
+[serializability](https://en.wikipedia.org/wiki/Serializability) for
+writers by single
+[mutex](https://en.wikipedia.org/wiki/Mutual_exclusion) and affords
+[wait-free](https://en.wikipedia.org/wiki/Non-blocking_algorithm#Wait-freedom)
+for parallel readers without atomic/interlocked operations, while
+writing and reading transactions do not block each other.
+
+ - _libmdbx_ uses [B+Trees](https://en.wikipedia.org/wiki/B%2B_tree) and
+[Memory-Mapping](https://en.wikipedia.org/wiki/Memory-mapped_file),
+doesn't use [WAL](https://en.wikipedia.org/wiki/Write-ahead_logging)
+which might be a caveat for some workloads.
+
+ - _libmdbx_ implements a simplified variant of the [Berkeley
+DB](https://en.wikipedia.org/wiki/Berkeley_DB) and/or
+[dbm](https://en.wikipedia.org/wiki/DBM_(computing)) API.
+
+ - _libmdbx_ supports Linux, Windows, MacOS, FreeBSD and other systems
+compliant with POSIX.1-2008.
+
+### Comparison with other databases
+For now please refer to [chapter of "BoltDB comparison with other
+databases"](https://github.com/coreos/bbolt#comparison-with-other-databases)
+which is also (mostly) applicable to _libmdbx_.
+
+### History
+At first the development was carried out within the
+[ReOpenLDAP](https://github.com/leo-yuriev/ReOpenLDAP) project. About a
+year later _libmdbx_ was separated into standalone project, which was
+[presented at Highload++ 2015
+conference](http://www.highload.ru/2015/abstracts/1831.html).
+
+Since 2017 _libmdbx_ is used in [Fast Positive Tables](https://github.com/leo-yuriev/libfpta),
+and development is funded by [Positive Technologies](https://www.ptsecurity.com).
+
+### Acknowledgments
+Howard Chu <hyc@openldap.org> is the author of LMDB, from which
+originated the MDBX in 2015.
+
+Martin Hedenfalk <martin@bzero.se> is the author of `btree.c` code, which
+was used for begin development of LMDB.
+
+-----
+
+Description
+===========
+
+## Key features
+
+1. Key-value pairs are stored in ordered map(s), keys are always sorted,
+range lookups are supported.
+
+2. Data is [memory-mapped](https://en.wikipedia.org/wiki/Memory-mapped_file)
+into each worker DB process, and could be accessed zero-copy from transactions.
+
+3. Transactions are
+[ACID](https://en.wikipedia.org/wiki/ACID)-compliant, through to
+[MVCC](https://en.wikipedia.org/wiki/Multiversion_concurrency_control)
+and [CoW](https://en.wikipedia.org/wiki/Copy-on-write). Writes are
+strongly serialized and aren't blocked by reads, transactions can't
+conflict with each other. Reads are guaranteed to get only commited data
+([relaxing serializability](https://en.wikipedia.org/wiki/Serializability#Relaxing_serializability)).
+
+4. Read transactions are
+[non-blocking](https://en.wikipedia.org/wiki/Non-blocking_algorithm),
+don't use [atomic operations](https://en.wikipedia.org/wiki/Linearizability#High-level_atomic_operations).
+Readers don't block each other and aren't blocked by writers. Read
+performance scales linearly with CPU core count.
+  > Nonetheless, "connect to DB" (starting the first read transaction in a thread) and
+  > "disconnect from DB" (closing DB or thread termination) requires a lock
+  > acquisition to register/unregister at the "readers table".
+
+5. Keys with multiple values are stored efficiently without key
+duplication, sorted by value, including integers (valuable for
+secondary indexes).
+
+6. Efficient operation on short fixed length keys,
+including 32/64-bit integer types.
+
+7. [WAF](https://en.wikipedia.org/wiki/Write_amplification) (Write
+Amplification Factor) и RAF (Read Amplification Factor) are Olog(N).
+
+8. No [WAL](https://en.wikipedia.org/wiki/Write-ahead_logging) and
+transaction journal. In case of a crash no recovery needed. No need for
+regular maintenance. Backups can be made on the fly on working DB
+without freezing writers.
+
+9. No additional memory management, all done by basic OS services.
+
+
+## Improvements over LMDB
+
+_libmdbx_ is superior to _legendary [LMDB](https://symas.com/lmdb/)_ in
+terms of features and reliability, not inferior in performance. In
+comparison to LMDB, _libmdbx_ make things "just work" perfectly and
+out-of-the-box, not silently and catastrophically break down. The list
+below is pruned down to the improvements most notable and obvious from
+the user's point of view.
+
+1. Automatic on-the-fly database size control by preset parameters, both
+reduction and increment.
+  > _libmdbx_ manage the database size according to parameters specified
+  > by `mdbx_env_set_geometry()` function,
+  > ones include the growth step and the truncation threshold.
+
+2. Automatic continuous zero-overhead database compactification.
+  > _libmdbx_ logically move as possible a freed pages
+  > at end of allocation area into unallocated space,
+  > and then release such space if a lot of.
+
+3. LIFO policy for recycling a Garbage Collection items. On systems with a disk
+write-back cache, this can significantly increase write performance, up to
+several times in a best case scenario.
+  > LIFO means that for reuse pages will be taken which became unused the lastest.
+  > Therefore the loop of database pages circulation becomes as short as possible.
+  > In other words, the number of pages, that are overwritten in memory
+  > and on disk during a series of write transactions, will be as small as possible.
+  > Thus creates ideal conditions for the efficient operation of the disk write-back cache.
+
+4. Fast estimation of range query result volume, i.e. how many items can
+be found between a `KEY1` and a `KEY2`. This is prerequisite for build
+and/or optimize query execution plans.
+  > _libmdbx_ performs a rough estimate based only on b-tree pages that
+  > are common for the both stacks of cursors that were set to corresponing
+  > keys.
+
+5. `mdbx_chk` tool for database integrity check.
+
+6. Guarantee of database integrity even in asynchronous unordered write-to-disk mode.
+  > _libmdbx_ propose additional trade-off by implementing append-like manner for updates
+  > in `NOSYNC` and `MAPASYNC` modes, that avoid database corruption after a system crash
+  > contrary to LMDB. Nevertheless, the `MDBX_UTTERLY_NOSYNC` mode available to match LMDB behaviour,
+  > and for a special use-cases.
+
+7. Automated steady flush to disk upon volume of changes and/or by
+timeout via cheap polling.
+
+8. Sequence generation and three cheap persistent 64-bit markers with ACID.
+
+9. Support for keys and values of zero length, including multi-values
+(aka sorted duplicates).
+
+10. The handler of lack-of-space condition with a callback,
+that allow you to control and resolve such situations.
+
+11. Support for opening a database in the exclusive mode, including on a network share.
+
+12. Extended transaction info, including dirty and leftover space info
+for a write transaction, reading lag and hold over space for read
+transactions.
+
+13. Extended whole-database info (aka environment) and reader enumeration.
+
+14. Extended update or delete, _at once_ with getting previous value
+and addressing the particular item from multi-value with the same key.
+
+15. Support for explicitly updating the existing record, not insertion a new one.
+
+16. All cursors are uniformly, can be reused and should be closed explicitly,
+regardless ones were opened within write or read transaction.
+
+17. Correct update of current record with `MDBX_CURRENT` flag when size
+of key or data was changed, including sorted duplicated.
+
+18. Opening database handles is spared from race conditions and
+pre-opening is not needed.
+
+19. Ability to determine whether the particular data is on a dirty page
+or not, that allows to avoid copy-out before updates.
+
+20. Ability to determine whether the cursor is pointed to a key-value
+pair, to the first, to the last, or not set to anything.
+
+21. Returning `MDBX_EMULTIVAL` error in case of ambiguous update or delete.
+
+22. On **MacOS** the `fcntl(F_FULLFSYNC)` syscall is used _by
+default_ to synchronize data with the disk, as this is [the only way to
+guarantee data
+durability](https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/fsync.2.html)
+in case of power failure. Unfortunately, in scenarios with high write
+intensity, the use of `F_FULLFSYNC` significant degrades performance
+compared to LMDB, where the `fsync()` syscall is used. Therefore,
+_libmdbx_ allows you to override this behavior by defining the
+`MDBX_OSX_SPEED_INSTEADOF_DURABILITY=1` option while build the library.
+
+23. On **Windows** the `LockFileEx()` syscall is used for locking, since
+it allows place the database on network drives, and provides protection
+against incompetent user actions (aka
+[poka-yoke](https://en.wikipedia.org/wiki/Poka-yoke)). Therefore
+_libmdbx_ may be a little lag in performance tests from LMDB where a
+named mutexes are used.
+
+
+## Gotchas
+
+1. There cannot be more than one writer at a time.
+  > On the other hand, this allows serialize an updates and eliminate any
+  > possibility of conflicts, deadlocks or logical errors.
+
+2. No [WAL](https://en.wikipedia.org/wiki/Write-ahead_logging) means
+relatively big [WAF](https://en.wikipedia.org/wiki/Write_amplification)
+(Write Amplification Factor). Because of this syncing data to disk might
+be quite resource intensive and be main performance bottleneck during
+intensive write workload.
+  > As compromise _libmdbx_ allows several modes of lazy and/or periodic
+  > syncing, including `MAPASYNC` mode, which modificate data in memory and
+  > asynchronously syncs data to disk, moment to sync is picked by OS.
+  >
+  > Although this should be used with care, synchronous transactions in a DB
+  > with transaction journal will require 2 IOPS minimum (probably 3-4 in
+  > practice) because of filesystem overhead, overhead depends on
+  > filesystem, not on record count or record size. In _libmdbx_ IOPS count
+  > will grow logarithmically depending on record count in DB (height of B+
+  > tree) and will require at least 2 IOPS per transaction too.
+
+3. [CoW](https://en.wikipedia.org/wiki/Copy-on-write) for
+[MVCC](https://en.wikipedia.org/wiki/Multiversion_concurrency_control)
+is done on memory page level with
+[B+trees](https://ru.wikipedia.org/wiki/B-%D0%B4%D0%B5%D1%80%D0%B5%D0%B2%D0%BE).
+Therefore altering data requires to copy about Olog(N) memory pages,
+which uses [memory bandwidth](https://en.wikipedia.org/wiki/Memory_bandwidth) and is main
+performance bottleneck in `MDBX_MAPASYNC` mode.
+  > This is unavoidable, but isn't that bad. Syncing data to disk requires
+  > much more similar operations which will be done by OS, therefore this is
+  > noticeable only if data sync to persistent storage is fully disabled.
+  > _libmdbx_ allows to safely save data to persistent storage with minimal
+  > performance overhead. If there is no need to save data to persistent
+  > storage then it's much more preferable to use `std::map`.
+
+4. Massive altering of data during a parallel long read operation will
+increase the process work set, may exhaust entire free database space and
+result in subsequent write performance degradation.
+  > _libmdbx_ mostly solve this issue by lack-of-space callback and `MDBX_LIFORECLAIM` mode.
+  > See [`mdbx.h`](mdbx.h) with API description for details.
+  > The "next" version of libmdbx (MithrilDB) will completely solve this.
+
+5. There are no built-in checksums or digests to verify database integrity.
+  > The "next" version of _libmdbx_ (MithrilDB) will solve this issue employing [Merkle Tree](https://en.wikipedia.org/wiki/Merkle_tree).
+
+--------------------------------------------------------------------------------
+
+Usage
+=====
+
+## Source code embedding
+
+_libmdbx_ provides two official ways for integration in source code form:
+
+1. Using the amalgamated source code.
+  > The amalgamated source code includes all files requires to build and
+  > use _libmdbx_, but not for testing _libmdbx_ itself.
+
+2. Adding the complete original source code as a `git submodule`.
+  > This allows you to build as _libmdbx_ and testing tool.
+  >  On the other hand, this way requires you to pull git tags, and use C++11 compiler for test tool.
+
+**_Please, avoid using any other techniques._** Otherwise, at least
+don't ask for support and don't name such chimeras `libmdbx`.
+
+The amalgamated source code could be created from original clone of git
+repository on Linux by executing `make dist`. As a result, the desired
+set of files will be formed in the `dist` subdirectory.
+
+## Building
+
+Both amalgamated and original source code provides build through the use
+[CMake](https://cmake.org/) or [GNU
+Make](https://www.gnu.org/software/make/) with
+[bash](https://en.wikipedia.org/wiki/Bash_(Unix_shell)). All build ways
+are completely traditional and have minimal prerequirements like
+`build-essential`, i.e. the non-obsolete C/C++ compiler and a
+[SDK](https://en.wikipedia.org/wiki/Software_development_kit) for the
+target platform. Obviously you need building tools itself, i.e. `git`,
+`cmake` or GNU `make` with `bash`.
+
+So just use CMake or GNU Make in your habitual manner and feel free to
+fill an issue or make pull request in the case something will be
+unexpected or broken down.
+
+#### DSO/DLL unloading and destructors of Thread-Local-Storage objects
+When building _libmdbx_ as a shared library or use static _libmdbx_ as a
+part of another dynamic library, it is advisable to make sure that your
+system ensures the correctness of the call destructors of
+Thread-Local-Storage objects when unloading dynamic libraries.
+
+If this is not the case, then unloading a dynamic-link library with
+_libmdbx_ code inside, can result in either a resource leak or a crash
+due to calling destructors from an already unloaded DSO/DLL object. The
+problem can only manifest in a multithreaded application, which makes
+the unloading of shared dynamic libraries with _libmdbx_ code inside,
+after using _libmdbx_. It is known that TLS-destructors are properly
+maintained in the following cases:
+
+- On all modern versions of Windows (Windows 7 and later).
+
+- On systems with the
+[`__cxa_thread_atexit_impl()`](https://sourceware.org/glibc/wiki/Destructor%20support%20for%20thread_local%20variables)
+function in the standard C library, including systems with GNU libc
+version 2.18 and later.
+
+- On systems with libpthread/ntpl from GNU libc with bug fixes
+[#21031](https://sourceware.org/bugzilla/show_bug.cgi?id=21031) and
+[#21032](https://sourceware.org/bugzilla/show_bug.cgi?id=21032), or
+where there are no similar bugs in the pthreads implementation.
+
+### Linux and other platforms with GNU Make
+To build the library it is enough to execute `make all` in the directory
+of source code, and `make check` for execute the basic tests.
+
+If the `make` installed on the system is not GNU Make, there will be a
+lot of errors from make when trying to build. In this case, perhaps you
+should use `gmake` instead of `make`, or even `gnu-make`, etc.
+
+### FreeBSD and related platforms
+As a rule, in such systems, the default is to use Berkeley Make. And GNU
+Make is called by the gmake command or may be missing. In addition,
+[bash](https://en.wikipedia.org/wiki/Bash_(Unix_shell)) may be absent.
+
+You need to install the required components: GNU Make, bash, C and C++
+compilers compatible with GCC or CLANG. After that, to build the
+library, it is enough execute `gmake all` (or `make all`) in the
+directory with source code, and `gmake check` (or `make check`) to run
+the basic tests.
+
+### Windows
+For build _libmdbx_ on Windows the _original_ CMake and [Microsoft Visual
+Studio](https://en.wikipedia.org/wiki/Microsoft_Visual_Studio) are
+recommended.
+
+Building by MinGW, MSYS or Cygwin is potentially possible. However,
+these scripts are not tested and will probably require you to modify the
+CMakeLists.txt or Makefile respectively.
+
+It should be noted that in _libmdbx_ was efforts to resolve
+runtime dependencies from CRT and other libraries Visual Studio.
+For this is enough define the `MDBX_AVOID_CRT` during build.
+
+An example of running a basic test script can be found in the
+[CI-script](appveyor.yml) for [AppVeyor](https://www.appveyor.com/). To
+run the [long stochastic test scenario](test/long_stochastic.sh),
+[bash](https://en.wikipedia.org/wiki/Bash_(Unix_shell)) is required, and
+the such testing is recommended with place the test data on the
+[RAM-disk](https://en.wikipedia.org/wiki/RAM_drive).
+
+### MacOS
+Current [native build tools](https://en.wikipedia.org/wiki/Xcode) for
+MacOS include GNU Make, CLANG and an outdated version of bash.
+Therefore, to build the library, it is enough to run `make all` in the
+directory with source code, and run `make check` to execute the base
+tests. If something goes wrong, it is recommended to install
+[Homebrew](https://brew.sh/) and try again.
+
+To run the [long stochastic test scenario](test/long_stochastic.sh), you
+will need to install the current (not outdated) version of
+[bash](https://en.wikipedia.org/wiki/Bash_(Unix_shell)). To do this, we
+recommend that you install [Homebrew](https://brew.sh/) and then execute
+`brew install bash`.
+
+## Bindings
+
+  | Runtime  | GitHub | Author |
+  | -------- | ------ | ------ |
+  | Java     | [mdbxjni](https://github.com/castortech/mdbxjni)   | [Castor Technologies](https://castortech.com/) |
+  | .NET     | [mdbx.NET](https://github.com/wangjia184/mdbx.NET) | [Jerry Wang](https://github.com/wangjia184) |
+
+
+--------------------------------------------------------------------------------
+
+Performance comparison
+======================
+
+All benchmarks were done by [IOArena](https://github.com/pmwkaa/ioarena)
+and multiple [scripts](https://github.com/pmwkaa/ioarena/tree/HL%2B%2B2015)
+runs on Lenovo Carbon-2 laptop, i7-4600U 2.1 GHz, 8 Gb RAM,
+SSD SAMSUNG MZNTD512HAGL-000L1 (DXT23L0Q) 512 Gb.
+
+## Integral performance
+
+Here showed sum of performance metrics in 3 benchmarks:
+
+ - Read/Search on 4 CPU cores machine;
+
+ - Transactions with [CRUD](https://en.wikipedia.org/wiki/CRUD)
+ operations in sync-write mode (fdatasync is called after each
+ transaction);
+
+ - Transactions with [CRUD](https://en.wikipedia.org/wiki/CRUD)
+ operations in lazy-write mode (moment to sync data to persistent storage
+ is decided by OS).
+
+*Reasons why asynchronous mode isn't benchmarked here:*
+
+  1. It doesn't make sense as it has to be done with DB engines, oriented
+  for keeping data in memory e.g. [Tarantool](https://tarantool.io/),
+  [Redis](https://redis.io/)), etc.
+
+  2. Performance gap is too high to compare in any meaningful way.
+
+![Comparison #1: Integral Performance](https://raw.githubusercontent.com/wiki/leo-yuriev/libmdbx/img/perf-slide-1.png)
+
+--------------------------------------------------------------------------------
+
+## Read Scalability
+
+Summary performance with concurrent read/search queries in 1-2-4-8
+threads on 4 CPU cores machine.
+
+![Comparison #2: Read Scalability](https://raw.githubusercontent.com/wiki/leo-yuriev/libmdbx/img/perf-slide-2.png)
+
+--------------------------------------------------------------------------------
+
+## Sync-write mode
+
+ - Linear scale on left and dark rectangles mean arithmetic mean
+ transactions per second;
+
+ - Logarithmic scale on right is in seconds and yellow intervals mean
+ execution time of transactions. Each interval shows minimal and maximum
+ execution time, cross marks standard deviation.
+
+**10,000 transactions in sync-write mode**. In case of a crash all data
+is consistent and state is right after last successful transaction.
+[fdatasync](https://linux.die.net/man/2/fdatasync) syscall is used after
+each write transaction in this mode.
+
+In the benchmark each transaction contains combined CRUD operations (2
+inserts, 1 read, 1 update, 1 delete). Benchmark starts on empty database
+and after full run the database contains 10,000 small key-value records.
+
+![Comparison #3: Sync-write mode](https://raw.githubusercontent.com/wiki/leo-yuriev/libmdbx/img/perf-slide-3.png)
+
+--------------------------------------------------------------------------------
+
+## Lazy-write mode
+
+ - Linear scale on left and dark rectangles mean arithmetic mean of
+ thousands transactions per second;
+
+ - Logarithmic scale on right in seconds and yellow intervals mean
+ execution time of transactions. Each interval shows minimal and maximum
+ execution time, cross marks standard deviation.
+
+**100,000 transactions in lazy-write mode**. In case of a crash all data
+is consistent and state is right after one of last transactions, but
+transactions after it will be lost. Other DB engines use
+[WAL](https://en.wikipedia.org/wiki/Write-ahead_logging) or transaction
+journal for that, which in turn depends on order of operations in
+journaled filesystem. _libmdbx_ doesn't use WAL and hands I/O operations
+to filesystem and OS kernel (mmap).
+
+In the benchmark each transaction contains combined CRUD operations (2
+inserts, 1 read, 1 update, 1 delete). Benchmark starts on empty database
+and after full run the database contains 100,000 small key-value
+records.
+
+
+![Comparison #4: Lazy-write mode](https://raw.githubusercontent.com/wiki/leo-yuriev/libmdbx/img/perf-slide-4.png)
+
+--------------------------------------------------------------------------------
+
+## Async-write mode
+
+ - Linear scale on left and dark rectangles mean arithmetic mean of
+ thousands transactions per second;
+
+ - Logarithmic scale on right in seconds and yellow intervals mean
+ execution time of transactions. Each interval shows minimal and maximum
+ execution time, cross marks standard deviation.
+
+**1,000,000 transactions in async-write mode**. In case of a crash all
+data will be consistent and state will be right after one of last
+transactions, but lost transaction count is much higher than in
+lazy-write mode. All DB engines in this mode do as little writes as
+possible on persistent storage. _libmdbx_ uses
+[msync(MS_ASYNC)](https://linux.die.net/man/2/msync) in this mode.
+
+In the benchmark each transaction contains combined CRUD operations (2
+inserts, 1 read, 1 update, 1 delete). Benchmark starts on empty database
+and after full run the database contains 10,000 small key-value records.
+
+![Comparison #5: Async-write mode](https://raw.githubusercontent.com/wiki/leo-yuriev/libmdbx/img/perf-slide-5.png)
+
+--------------------------------------------------------------------------------
+
+## Cost comparison
+
+Summary of used resources during lazy-write mode benchmarks:
+
+ - Read and write IOPS;
+
+ - Sum of user CPU time and sys CPU time;
+
+ - Used space on persistent storage after the test and closed DB, but not
+ waiting for the end of all internal housekeeping operations (LSM
+ compactification, etc).
+
+_ForestDB_ is excluded because benchmark showed it's resource
+consumption for each resource (CPU, IOPS) much higher than other engines
+which prevents to meaningfully compare it with them.
+
+All benchmark data is gathered by
+[getrusage()](http://man7.org/linux/man-pages/man2/getrusage.2.html)
+syscall and by scanning data directory.
+
+![Comparison #6: Cost comparison](https://raw.githubusercontent.com/wiki/leo-yuriev/libmdbx/img/perf-slide-6.png)
+
+--------------------------------------------------------------------------------
+
+```
+$ objdump -f -h -j .text libmdbx.so
+
+libmdbx.so:     file format elf64-x86-64
+architecture: i386:x86-64, flags 0x00000150:
+HAS_SYMS, DYNAMIC, D_PAGED
+start address 0x0000000000003710
+
+Sections:
+Idx Name          Size      VMA               LMA               File off  Algn
+ 11 .text         00015eff  0000000000003710  0000000000003710  00003710  2**4
+                  CONTENTS, ALLOC, LOAD, READONLY, CODE
+```

contrib/db/libmdbx/appveyor.yml

@@ -0,0 +1,99 @@
+version: 0.3.2.{build}
+
+environment:
+  matrix:
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+      CMAKE_GENERATOR: Visual Studio 16 2019
+      TOOLSET: 142
+      MDBX_BUILD_SHARED_LIBRARY: OFF
+      MDBX_AVOID_CRT: OFF
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+      CMAKE_GENERATOR: Visual Studio 16 2019
+      TOOLSET: 142
+      MDBX_BUILD_SHARED_LIBRARY: ON
+      MDBX_AVOID_CRT: ON
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+      CMAKE_GENERATOR: Visual Studio 16 2019
+      TOOLSET: 142
+      MDBX_BUILD_SHARED_LIBRARY: OFF
+      MDBX_AVOID_CRT: ON
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+      CMAKE_GENERATOR: Visual Studio 16 2019
+      TOOLSET: 142
+      MDBX_BUILD_SHARED_LIBRARY: ON
+      MDBX_AVOID_CRT: OFF
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+      CMAKE_GENERATOR: Visual Studio 15 2017
+      TOOLSET: 141
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
+      CMAKE_GENERATOR: Visual Studio 14 2015
+      TOOLSET: 140
+
+branches:
+  except:
+    - coverity_scan
+
+configuration:
+- Debug
+- Release
+
+platform:
+- Win32
+- x64
+
+before_build:
+- git clean -x -f -d
+- git submodule sync
+- git fetch --tags --prune
+- git submodule update --init --recursive
+- git submodule foreach --recursive git fetch --tags --prune
+- cmake --version
+
+build_script:
+- ps: |
+    Write-Output "*******************************************************************************"
+    Write-Output "Configuration: $env:CONFIGURATION"
+    Write-Output "Platform: $env:PLATFORM"
+    Write-Output "Toolchain: $env:CMAKE_GENERATOR v$env:TOOLSET"
+    Write-Output "Options: MDBX_AVOID_CRT=$env:MDBX_AVOID_CRT MDBX_BUILD_SHARED_LIBRARY=$env:MDBX_BUILD_SHARED_LIBRARY"
+    Write-Output "*******************************************************************************"
+
+    md _build -Force | Out-Null
+    cd _build
+
+    $generator = $env:CMAKE_GENERATOR
+    if ($env:TOOLSET -lt 142) {
+        if ($env:PLATFORM -eq "x64") {
+            $generator = "$generator Win64"
+        }
+        & cmake -G "$generator" -D CMAKE_CONFIGURATION_TYPES="Debug;Release" -D MDBX_AVOID_CRT:BOOL=$env:MDBX_AVOID_CRT -D MDBX_BUILD_SHARED_LIBRARY:BOOL=$env:MDBX_BUILD_SHARED_LIBRARY ..
+    } else {
+        & cmake -G "$generator" -A $env:PLATFORM -D CMAKE_CONFIGURATION_TYPES="Debug;Release" -DMDBX_AVOID_CRT:BOOL=$env:MDBX_AVOID_CRT -D MDBX_BUILD_SHARED_LIBRARY:BOOL=$env:MDBX_BUILD_SHARED_LIBRARY ..
+    }
+    if ($LastExitCode -ne 0) {
+        throw "Exec: $ErrorMessage"
+    }
+    Write-Output "*******************************************************************************"
+
+    & cmake --build . --config $env:CONFIGURATION
+    if ($LastExitCode -ne 0) {
+        throw "Exec: $ErrorMessage"
+    }
+    Write-Output "*******************************************************************************"
+
+test_script:
+- ps: |
+    if (($env:PLATFORM -ne "ARM") -and ($env:PLATFORM -ne "ARM64")) {
+        & ./$env:CONFIGURATION/mdbx_test.exe --progress --console=no --pathname=test.db --dont-cleanup-after basic > test.log
+        Get-Content test.log | Select-Object -last 42
+        if ($LastExitCode -ne 0) {
+            throw "Exec: $ErrorMessage"
+        } else {
+            & ./$env:CONFIGURATION/mdbx_chk.exe -nvv test.db | Tee-Object -file chk.log | Select-Object -last 42
+        }
+    }
+
+on_failure:
+- ps: Push-AppveyorArtifact \projects\libmdbx\_build\test.log
+- ps: Push-AppveyorArtifact \projects\libmdbx\_build\test.db
+- ps: Push-AppveyorArtifact \projects\libmdbx\_build\chk.log

contrib/db/libmdbx/cmake/compiler.cmake

@@ -0,0 +1,666 @@
+##  Copyright (c) 2012-2019 Leonid Yuriev <leo@yuriev.ru>.
+##
+##  Licensed under the Apache License, Version 2.0 (the "License");
+##  you may not use this file except in compliance with the License.
+##  You may obtain a copy of the License at
+##
+##      http://www.apache.org/licenses/LICENSE-2.0
+##
+##  Unless required by applicable law or agreed to in writing, software
+##  distributed under the License is distributed on an "AS IS" BASIS,
+##  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+##  See the License for the specific language governing permissions and
+##  limitations under the License.
+##
+
+cmake_minimum_required(VERSION 3.8.2)
+cmake_policy(PUSH)
+cmake_policy(VERSION 3.8.2)
+
+if (CMAKE_VERSION MATCHES ".*MSVC.*")
+  message(FATAL_ERROR "CMake from MSVC kit is unfit! "
+    "Please use the original CMake from https://cmake.org/download/")
+endif()
+
+if (NOT (CMAKE_C_COMPILER_LOADED OR CMAKE_CXX_COMPILER_LOADED))
+  message(FATAL_ERROR "This module required C or C++ to be enabled")
+endif()
+
+include(CMakeDependentOption)
+
+if(CMAKE_CXX_COMPILER_LOADED)
+  include(CheckCXXSourceRuns)
+  include(CheckCXXSourceCompiles)
+  include(CheckCXXCompilerFlag)
+endif()
+if(CMAKE_C_COMPILER_LOADED)
+  include(CheckCSourceRuns)
+  include(CheckCSourceCompiles)
+  include(CheckCCompilerFlag)
+endif()
+
+# Check if the same compile family is used for both C and CXX
+if(CMAKE_C_COMPILER_LOADED AND CMAKE_CXX_COMPILER_LOADED AND
+    NOT (CMAKE_C_COMPILER_ID STREQUAL CMAKE_CXX_COMPILER_ID))
+  message(WARNING "CMAKE_C_COMPILER_ID (${CMAKE_C_COMPILER_ID}) is different "
+    "from CMAKE_CXX_COMPILER_ID (${CMAKE_CXX_COMPILER_ID}). "
+    "The final binary may be unusable.")
+endif()
+
+if(CMAKE_CXX_COMPILER_LOADED)
+  set(CMAKE_PRIMARY_LANG "CXX")
+else()
+  set(CMAKE_PRIMARY_LANG "C")
+endif()
+
+macro(check_compiler_flag flag variable)
+  if(CMAKE_CXX_COMPILER_LOADED)
+    check_cxx_compiler_flag(${flag} ${variable})
+  else()
+    check_c_compiler_flag(${flag} ${variable})
+  endif()
+endmacro(check_compiler_flag)
+
+# We support building with Clang and gcc. First check
+# what we're using for build.
+if(CMAKE_C_COMPILER_LOADED AND CMAKE_C_COMPILER_ID STREQUAL "Clang")
+  set(CMAKE_COMPILER_IS_CLANG  ON)
+  set(CMAKE_COMPILER_IS_GNUCC  OFF)
+endif()
+if(CMAKE_CXX_COMPILER_LOADED AND CMAKE_CXx_COMPILER_ID STREQUAL "Clang")
+  set(CMAKE_COMPILER_IS_CLANG  ON)
+  set(CMAKE_COMPILER_IS_GNUCXX OFF)
+endif()
+
+# Hard coding the compiler version is ugly from cmake POV, but
+# at least gives user a friendly error message. The most critical
+# demand for C++ compiler is support of C++11 lambdas, added
+# only in version 4.5 https://gcc.gnu.org/projects/cxx0x.html
+if(CMAKE_COMPILER_IS_GNUCC)
+  if(CMAKE_C_COMPILER_VERSION VERSION_LESS 4.5)
+    message(FATAL_ERROR "
+      Your GCC version is ${CMAKE_C_COMPILER_VERSION}, please update")
+  endif()
+endif()
+if(CMAKE_COMPILER_IS_GNUCXX)
+  if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.5)
+    message(FATAL_ERROR "
+      Your G++ version is ${CMAKE_CXX_COMPILER_VERSION}, please update")
+  endif()
+endif()
+
+if(CMAKE_C_COMPILER_LOADED)
+  # Check for Elbrus lcc
+  execute_process(COMMAND ${CMAKE_C_COMPILER} --version
+    OUTPUT_VARIABLE tmp_lcc_probe_version
+    RESULT_VARIABLE tmp_lcc_probe_result ERROR_QUIET)
+  if(tmp_lcc_probe_result EQUAL 0)
+    string(FIND "${tmp_lcc_probe_version}" "lcc:" tmp_lcc_marker)
+    string(FIND "${tmp_lcc_probe_version}" ":e2k-" tmp_e2k_marker)
+    if(tmp_lcc_marker GREATER -1 AND tmp_e2k_marker GREATER tmp_lcc_marker)
+      execute_process(COMMAND ${CMAKE_C_COMPILER} -print-version
+        OUTPUT_VARIABLE CMAKE_C_COMPILER_VERSION
+        RESULT_VARIABLE tmp_lcc_probe_result)
+      set(CMAKE_COMPILER_IS_ELBRUSC ON)
+      set(CMAKE_C_COMPILER_ID "Elbrus")
+    else()
+      set(CMAKE_COMPILER_IS_ELBRUSC OFF)
+    endif()
+    unset(tmp_lcc_marker)
+    unset(tmp_e2k_marker)
+  endif()
+  unset(tmp_lcc_probe_version)
+  unset(tmp_lcc_probe_result)
+endif()
+
+if(CMAKE_CXX_COMPILER_LOADED)
+  # Check for Elbrus l++
+  execute_process(COMMAND ${CMAKE_CXX_COMPILER} --version
+    OUTPUT_VARIABLE tmp_lxx_probe_version
+    RESULT_VARIABLE tmp_lxx_probe_result ERROR_QUIET)
+  if(tmp_lxx_probe_result EQUAL 0)
+    string(FIND "${tmp_lxx_probe_version}" "lcc:" tmp_lcc_marker)
+    string(FIND "${tmp_lxx_probe_version}" ":e2k-" tmp_e2k_marker)
+    if(tmp_lcc_marker GREATER -1 AND tmp_e2k_marker GREATER tmp_lcc_marker)
+      execute_process(COMMAND ${CMAKE_CXX_COMPILER} -print-version
+        OUTPUT_VARIABLE CMAKE_CXX_COMPILER_VERSION
+        RESULT_VARIABLE tmp_lxx_probe_result)
+      set(CMAKE_COMPILER_IS_ELBRUSCXX ON)
+      set(CMAKE_CXX_COMPILER_ID "Elbrus")
+    else()
+      set(CMAKE_COMPILER_IS_ELBRUSCXX OFF)
+    endif()
+    unset(tmp_lcc_marker)
+    unset(tmp_e2k_marker)
+  endif()
+  unset(tmp_lxx_probe_version)
+  unset(tmp_lxx_probe_result)
+endif()
+
+if(CMAKE_CL_64)
+  set(MSVC64 1)
+endif()
+if(WIN32 AND CMAKE_COMPILER_IS_GNU${CMAKE_PRIMARY_LANG})
+  execute_process(COMMAND ${CMAKE_${CMAKE_PRIMARY_LANG}_COMPILER} -dumpmachine
+    OUTPUT_VARIABLE __GCC_TARGET_MACHINE
+    OUTPUT_STRIP_TRAILING_WHITESPACE)
+  if(__GCC_TARGET_MACHINE MATCHES "amd64|x86_64|AMD64")
+    set(MINGW64 1)
+  endif()
+  unset(__GCC_TARGET_MACHINE)
+endif()
+
+if(CMAKE_COMPILER_IS_ELBRUSC OR CMAKE_SYSTEM_PROCESSOR MATCHES "e2k.*|E2K.*|elbrus.*|ELBRUS.*")
+  set(E2K TRUE)
+  set(CMAKE_SYSTEM_ARCH "Elbrus")
+elseif((MSVC64 OR MINGW64) AND CMAKE_SIZEOF_VOID_P EQUAL 8)
+  set(X86_64 TRUE)
+  set(CMAKE_SYSTEM_ARCH "x86_64")
+elseif(MINGW OR (MSVC AND NOT CMAKE_CROSSCOMPILING))
+  set(X86_32 TRUE)
+  set(CMAKE_SYSTEM_ARCH "x86")
+elseif(CMAKE_COMPILER_IS_ELBRUSC OR CMAKE_SYSTEM_PROCESSOR MATCHES "e2k.*|E2K.*|elbrus.*|ELBRUS.*")
+  set(E2K TRUE)
+  set(CMAKE_SYSTEM_ARCH "Elbrus")
+elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|x86_64.*|AMD64.*" AND CMAKE_SIZEOF_VOID_P EQUAL 8)
+  set(X86_64 TRUE)
+  set(CMAKE_SYSTEM_ARCH "x86_64")
+elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "i686.*|i386.*|x86.*")
+  set(X86_32 TRUE)
+  set(CMAKE_SYSTEM_ARCH "x86")
+elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64.*|AARCH64.*|ARM64.*)" AND CMAKE_SIZEOF_VOID_P EQUAL 8)
+  set(AARCH64 TRUE)
+  set(CMAKE_SYSTEM_ARCH "ARM64")
+elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(arm.*|ARM.*)")
+  set(ARM32 TRUE)
+  set(CMAKE_SYSTEM_ARCH "ARM")
+elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(powerpc|ppc)64le.*" AND CMAKE_SIZEOF_VOID_P EQUAL 8)
+  set(PPC64LE TRUE)
+  set(CMAKE_SYSTEM_ARCH "PPC64LE")
+elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(powerpc|ppc)64.*" AND CMAKE_SIZEOF_VOID_P EQUAL 8)
+  set(PPC64 TRUE)
+  set(CMAKE_SYSTEM_ARCH "PPC64")
+elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(powerpc|ppc).*")
+  set(PPC32 TRUE)
+  set(CMAKE_SYSTEM_ARCH "PPC")
+elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(mips|MIPS)64.*" AND CMAKE_SIZEOF_VOID_P EQUAL 8)
+  set(MIPS64 TRUE)
+  set(CMAKE_SYSTEM_ARCH "MIPS64")
+elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(mips|MIPS).*")
+  set(MIPS32 TRUE)
+  set(CMAKE_SYSTEM_ARCH "MIPS")
+endif()
+
+if(MSVC)
+  check_compiler_flag("/WX" CC_HAS_WERROR)
+else()
+  #
+  # GCC started to warn for unused result starting from 4.2, and
+  # this is when it introduced -Wno-unused-result
+  # GCC can also be built on top of llvm runtime (on mac).
+  check_compiler_flag("-Wno-unknown-pragmas" CC_HAS_WNO_UNKNOWN_PRAGMAS)
+  check_compiler_flag("-Wextra" CC_HAS_WEXTRA)
+  check_compiler_flag("-Werror" CC_HAS_WERROR)
+  check_compiler_flag("-fexceptions" CC_HAS_FEXCEPTIONS)
+  check_cxx_compiler_flag("-fcxx-exceptions" CC_HAS_FCXX_EXCEPTIONS)
+  check_compiler_flag("-funwind-tables" CC_HAS_FUNWIND_TABLES)
+  check_compiler_flag("-fno-omit-frame-pointer" CC_HAS_FNO_OMIT_FRAME_POINTER)
+  check_compiler_flag("-fno-common" CC_HAS_FNO_COMMON)
+  check_compiler_flag("-ggdb" CC_HAS_GGDB)
+  check_compiler_flag("-fvisibility=hidden" CC_HAS_VISIBILITY)
+  check_compiler_flag("-march=native" CC_HAS_ARCH_NATIVE)
+  check_compiler_flag("-Og" CC_HAS_DEBUG_FRENDLY_OPTIMIZATION)
+  check_compiler_flag("-Wall" CC_HAS_WALL)
+  check_compiler_flag("-Ominimal" CC_HAS_OMINIMAL)
+  check_compiler_flag("-ffunction-sections -fdata-sections" CC_HAS_SECTIONS)
+  check_compiler_flag("-ffast-math" CC_HAS_FASTMATH)
+
+  # Check for an omp support
+  set(CMAKE_REQUIRED_FLAGS "-fopenmp -Werror")
+  check_cxx_source_compiles("int main(void) {
+    #pragma omp parallel
+    return 0;
+    }" HAVE_OPENMP)
+  set(CMAKE_REQUIRED_FLAGS "")
+endif()
+
+# Check for LTO support by GCC
+if(CMAKE_COMPILER_IS_GNU${CMAKE_PRIMARY_LANG})
+  unset(gcc_collect)
+  unset(gcc_lto_wrapper)
+
+  if(NOT CMAKE_${CMAKE_PRIMARY_LANG}_COMPILER_VERSION VERSION_LESS 4.7)
+    execute_process(COMMAND ${CMAKE_${CMAKE_PRIMARY_LANG}_COMPILER} -v
+      OUTPUT_VARIABLE gcc_info_v ERROR_VARIABLE gcc_info_v)
+
+    string(REGEX MATCH "^(.+\nCOLLECT_GCC=)([^ \n]+)(\n.+)$" gcc_collect_valid ${gcc_info_v})
+    if(gcc_collect_valid)
+      string(REGEX REPLACE "^(.+\nCOLLECT_GCC=)([^ \n]+)(\n.+)$" "\\2" gcc_collect ${gcc_info_v})
+    endif()
+
+    string(REGEX MATCH "^(.+\nCOLLECT_LTO_WRAPPER=)([^ \n]+/lto-wrapper)(\n.+)$" gcc_lto_wrapper_valid ${gcc_info_v})
+    if(gcc_lto_wrapper_valid)
+      string(REGEX REPLACE "^(.+\nCOLLECT_LTO_WRAPPER=)([^ \n]+/lto-wrapper)(\n.+)$" "\\2" gcc_lto_wrapper ${gcc_info_v})
+    endif()
+
+    set(gcc_suffix "")
+    if(gcc_collect_valid AND gcc_collect)
+      string(REGEX MATCH "^(.*cc)(-.+)$" gcc_suffix_valid ${gcc_collect})
+      if(gcc_suffix_valid)
+        string(REGEX MATCH "^(.*cc)(-.+)$" "\\2" gcc_suffix ${gcc_collect})
+      endif()
+    endif()
+
+    get_filename_component(gcc_dir ${CMAKE_${CMAKE_PRIMARY_LANG}_COMPILER} DIRECTORY)
+    if(NOT CMAKE_GCC_AR)
+      find_program(CMAKE_GCC_AR NAMES gcc${gcc_suffix}-ar gcc-ar${gcc_suffix} PATHS ${gcc_dir} NO_DEFAULT_PATH)
+    endif()
+    if(NOT CMAKE_GCC_NM)
+      find_program(CMAKE_GCC_NM NAMES gcc${gcc_suffix}-nm gcc-nm${gcc_suffix} PATHS ${gcc_dir} NO_DEFAULT_PATH)
+    endif()
+    if(NOT CMAKE_GCC_RANLIB)
+      find_program(CMAKE_GCC_RANLIB NAMES gcc${gcc_suffix}-ranlib gcc-ranlib${gcc_suffix} PATHS ${gcc_dir} NO_DEFAULT_PATH)
+    endif()
+
+    unset(gcc_dir)
+    unset(gcc_suffix_valid)
+    unset(gcc_suffix)
+    unset(gcc_lto_wrapper_valid)
+    unset(gcc_collect_valid)
+    unset(gcc_collect)
+    unset(gcc_info_v)
+  endif()
+
+  if(CMAKE_GCC_AR AND CMAKE_GCC_NM AND CMAKE_GCC_RANLIB AND gcc_lto_wrapper)
+    message(STATUS "Found GCC's LTO toolset: ${gcc_lto_wrapper}, ${CMAKE_GCC_AR}, ${CMAKE_GCC_RANLIB}")
+    set(GCC_LTO_CFLAGS "-flto -fno-fat-lto-objects -fuse-linker-plugin")
+    set(GCC_LTO_AVAILABLE TRUE)
+    message(STATUS "Link-Time Optimization by GCC is available")
+  else()
+    set(GCC_LTO_AVAILABLE FALSE)
+    message(STATUS "Link-Time Optimization by GCC is NOT available")
+  endif()
+  unset(gcc_lto_wrapper)
+endif()
+
+# check for LTO by MSVC
+if(MSVC)
+  if(NOT MSVC_VERSION LESS 1600)
+    set(MSVC_LTO_AVAILABLE TRUE)
+    message(STATUS "Link-Time Optimization by MSVC is available")
+  else()
+    set(MSVC_LTO_AVAILABLE FALSE)
+    message(STATUS "Link-Time Optimization by MSVC is NOT available")
+  endif()
+endif()
+
+# Check for LTO support by CLANG
+if(CMAKE_COMPILER_IS_CLANG)
+  if(NOT CMAKE_${CMAKE_PRIMARY_LANG}_COMPILER_VERSION VERSION_LESS 3.5)
+    execute_process(COMMAND ${CMAKE_${CMAKE_PRIMARY_LANG}_COMPILER} -print-search-dirs
+      OUTPUT_VARIABLE clang_search_dirs)
+
+    unset(clang_bindir)
+    unset(clang_libdir)
+    string(REGEX MATCH "^(.*programs: =)([^:]*:)*([^:]+/llvm[-.0-9]+/bin[^:]*)(:[^:]*)*(\n.+)$" clang_bindir_valid ${clang_search_dirs})
+    if(clang_bindir_valid)
+      string(REGEX REPLACE "^(.*programs: =)([^:]*:)*([^:]+/llvm[-.0-9]+/bin[^:]*)(:[^:]*)*(\n.+)$" "\\3" clang_bindir ${clang_search_dirs})
+      get_filename_component(clang_libdir "${clang_bindir}/../lib" REALPATH)
+      if(clang_libdir)
+        message(STATUS "Found CLANG/LLVM directories: ${clang_bindir}, ${clang_libdir}")
+      endif()
+    endif()
+
+    if(NOT (clang_bindir AND clang_libdir))
+      message(STATUS "Could NOT find CLANG/LLVM directories (bin and/or lib).")
+    endif()
+
+    if(NOT CMAKE_CLANG_LD AND clang_bindir)
+      find_program(CMAKE_CLANG_LD NAMES llvm-link link llvm-ld ld PATHS ${clang_bindir} NO_DEFAULT_PATH)
+    endif()
+    if(NOT CMAKE_CLANG_AR AND clang_bindir)
+      find_program(CMAKE_CLANG_AR NAMES llvm-ar ar PATHS ${clang_bindir} NO_DEFAULT_PATH)
+    endif()
+    if(NOT CMAKE_CLANG_NM AND clang_bindir)
+      find_program(CMAKE_CLANG_NM NAMES llvm-nm nm PATHS ${clang_bindir} NO_DEFAULT_PATH)
+    endif()
+    if(NOT CMAKE_CLANG_RANLIB AND clang_bindir)
+      find_program(CMAKE_CLANG_RANLIB NAMES llvm-ranlib ranlib PATHS ${clang_bindir} NO_DEFAULT_PATH)
+    endif()
+
+    set(clang_lto_plugin_name "LLVMgold${CMAKE_SHARED_LIBRARY_SUFFIX}")
+    if(NOT CMAKE_LD_GOLD AND clang_bindir)
+      find_program(CMAKE_LD_GOLD NAMES ld.gold PATHS)
+    endif()
+    if(NOT CLANG_LTO_PLUGIN AND clang_libdir)
+      find_file(CLANG_LTO_PLUGIN ${clang_lto_plugin_name} PATH ${clang_libdir} NO_DEFAULT_PATH)
+    endif()
+    if(CLANG_LTO_PLUGIN)
+      message(STATUS "Found CLANG/LLVM's plugin for LTO: ${CLANG_LTO_PLUGIN}")
+    else()
+      message(STATUS "Could NOT find CLANG/LLVM's plugin (${clang_lto_plugin_name}) for LTO.")
+    endif()
+
+    if(CMAKE_CLANG_LD AND CMAKE_CLANG_AR AND CMAKE_CLANG_NM AND CMAKE_CLANG_RANLIB)
+      message(STATUS "Found CLANG/LLVM's binutils for LTO: ${CMAKE_CLANG_AR}, ${CMAKE_CLANG_RANLIB}")
+    else()
+      message(STATUS "Could NOT find CLANG/LLVM's binutils (ar, ranlib, nm) for LTO.")
+    endif()
+
+    unset(clang_lto_plugin_name)
+    unset(clang_libdir)
+    unset(clang_bindir_valid)
+    unset(clang_bindir)
+    unset(clang_search_dirs)
+  endif()
+
+  if((CLANG_LTO_PLUGIN AND CMAKE_LD_GOLD) AND
+      (CMAKE_CLANG_LD AND CMAKE_CLANG_AR AND CMAKE_CLANG_NM AND CMAKE_CLANG_RANLIB))
+    set(CLANG_LTO_AVAILABLE TRUE)
+    message(STATUS "Link-Time Optimization by CLANG/LLVM is available")
+  elseif(CMAKE_TOOLCHAIN_FILE AND NOT CMAKE_${CMAKE_PRIMARY_LANG}_COMPILER_VERSION VERSION_LESS 7.0)
+    set(CLANG_LTO_AVAILABLE TRUE)
+    if (NOT CMAKE_CLANG_AR)
+      set(CMAKE_CLANG_AR ${CMAKE_AR})
+    endif()
+    if (NOT CMAKE_CLANG_NM)
+      set(CMAKE_CLANG_NM ${CMAKE_NM})
+    endif()
+    if (NOT CMAKE_CLANG_RANLIB)
+      set(CMAKE_CLANG_RANLIB ${CMAKE_RANLIB })
+    endif()
+    message(STATUS "Assume Link-Time Optimization by CLANG/LLVM is available via ${CMAKE_TOOLCHAIN_FILE}")
+  else()
+    set(CLANG_LTO_AVAILABLE FALSE)
+    message(STATUS "Link-Time Optimization by CLANG/LLVM is NOT available")
+  endif()
+endif()
+
+# Perform build type specific configuration.
+option(ENABLE_BACKTRACE "Enable output of fiber backtrace information in 'show
+  fiber' administrative command. Only works on x86 architectures, if compiled
+  with gcc. If GNU binutils and binutils-dev libraries are installed, backtrace
+  is output with resolved function (symbol) names. Otherwise only frame
+  addresses are printed." OFF)
+
+set(HAVE_BFD False)
+if(ENABLE_BACKTRACE)
+  if(NOT (X86_32 OR X86_64) OR NOT CMAKE_COMPILER_IS_GNU${CMAKE_PRIMARY_LANG})
+    # We only know this option to work with gcc
+    message(FATAL_ERROR "ENABLE_BACKTRACE option is set but the system
+      is not x86 based (${CMAKE_SYSTEM_PROCESSOR}) or the compiler
+      is not GNU GCC (${CMAKE_${CMAKE_PRIMARY_LANG}_COMPILER}).")
+  endif()
+  # Use GNU bfd if present.
+  find_library(BFD_LIBRARY NAMES libbfd.a)
+  if(BFD_LIBRARY)
+    check_library_exists(${BFD_LIBRARY} bfd_init "" HAVE_BFD_LIB)
+  endif()
+  find_library(IBERTY_LIBRARY NAMES libiberty.a)
+  if(IBERTY_LIBRARY)
+    check_library_exists(${IBERTY_LIBRARY} cplus_demangle "" HAVE_IBERTY_LIB)
+  endif()
+  set(CMAKE_REQUIRED_DEFINITIONS -DPACKAGE=${PACKAGE} -DPACKAGE_VERSION=${PACKAGE_VERSION})
+  check_include_files(bfd.h HAVE_BFD_H)
+  set(CMAKE_REQUIRED_DEFINITIONS)
+  find_package(ZLIB)
+  if(HAVE_BFD_LIB AND HAVE_BFD_H AND HAVE_IBERTY_LIB AND ZLIB_FOUND)
+    set(HAVE_BFD ON)
+    set(BFD_LIBRARIES ${BFD_LIBRARY} ${IBERTY_LIBRARY} ${ZLIB_LIBRARIES})
+    find_package_message(BFD_LIBRARIES "Found libbfd and dependencies"
+      ${BFD_LIBRARIES})
+    if(TARGET_OS_FREEBSD AND NOT TARGET_OS_DEBIAN_FREEBSD)
+      set(BFD_LIBRARIES ${BFD_LIBRARIES} iconv)
+    endif()
+  endif()
+endif()
+
+macro(setup_compile_flags)
+  # LY: save initial C/CXX flags
+  if(NOT INITIAL_CMAKE_FLAGS_SAVED)
+    if(MSVC)
+      string(REGEX REPLACE "^(.*)(/EHsc)( *)(.*)$" "\\1/EHs\\3\\4" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+    endif()
+    set(INITIAL_CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} CACHE STRING "Initial CMake's flags" FORCE)
+    set(INITIAL_CMAKE_C_FLAGS ${CMAKE_C_FLAGS} CACHE STRING "Initial CMake's flags" FORCE)
+    set(INITIAL_CMAKE_EXE_LINKER_FLAGS ${CMAKE_EXE_LINKER_FLAGS} CACHE STRING "Initial CMake's flags" FORCE)
+    set(INITIAL_CMAKE_SHARED_LINKER_FLAGS ${CMAKE_SHARED_LINKER_FLAGS} CACHE STRING "Initial CMake's flags" FORCE)
+    set(INITIAL_CMAKE_STATIC_LINKER_FLAGS ${CMAKE_STATIC_LINKER_FLAGS} CACHE STRING "Initial CMake's flags" FORCE)
+    set(INITIAL_CMAKE_MODULE_LINKER_FLAGS ${CMAKE_MODULE_LINKER_FLAGS} CACHE STRING "Initial CMake's flags" FORCE)
+    set(INITIAL_CMAKE_FLAGS_SAVED TRUE CACHE INTERNAL "State of initial CMake's flags" FORCE)
+  endif()
+
+  # LY: reset C/CXX flags
+  set(CXX_FLAGS ${INITIAL_CMAKE_CXX_FLAGS})
+  set(C_FLAGS ${INITIAL_CMAKE_C_FLAGS})
+  set(EXE_LINKER_FLAGS ${INITIAL_CMAKE_EXE_LINKER_FLAGS})
+  set(SHARED_LINKER_FLAGS ${INITIAL_CMAKE_SHARED_LINKER_FLAGS})
+  set(STATIC_LINKER_FLAGS ${INITIAL_CMAKE_STATIC_LINKER_FLAGS})
+  set(MODULE_LINKER_FLAGS ${INITIAL_CMAKE_MODULE_LINKER_FLAGS})
+
+  if(CC_HAS_FEXCEPTIONS)
+    add_compile_flags("C;CXX" "-fexceptions")
+  endif()
+  if(CC_HAS_FCXX_EXCEPTIONS)
+    add_compile_flags("CXX" "-fcxx-exceptions -frtti")
+  endif()
+
+  # In C a global variable without a storage specifier (static/extern) and
+  # without an initialiser is called a ’tentative definition’. The
+  # language permits multiple tentative definitions in the single
+  # translation unit; i.e. int foo; int foo; is perfectly ok. GNU
+  # toolchain goes even further, allowing multiple tentative definitions
+  # in *different* translation units. Internally, variables introduced via
+  # tentative definitions are implemented as ‘common’ symbols. Linker
+  # permits multiple definitions if they are common symbols, and it picks
+  # one arbitrarily for inclusion in the binary being linked.
+  #
+  # -fno-common forces GNU toolchain to behave in a more
+  # standard-conformant way in respect to tentative definitions and it
+  # prevents common symbols generation. Since we are a cross-platform
+  # project it really makes sense. There are toolchains that don’t
+  # implement GNU style handling of the tentative definitions and there
+  # are platforms lacking proper support for common symbols (osx).
+  if(CC_HAS_FNO_COMMON)
+    add_compile_flags("C;CXX" "-fno-common")
+  endif()
+
+  if(CC_HAS_GGDB)
+    add_compile_flags("C;CXX" "-ggdb")
+  endif()
+
+  if(CC_HAS_WNO_UNKNOWN_PRAGMAS AND NOT HAVE_OPENMP)
+    add_compile_flags("C;CXX" -Wno-unknown-pragmas)
+  endif()
+
+  if(CC_HAS_SECTIONS)
+    add_compile_flags("C;CXX" -ffunction-sections -fdata-sections)
+  elseif(MSVC)
+    add_compile_flags("C;CXX" /Gy)
+  endif()
+
+  # We must set -fno-omit-frame-pointer here, since we rely
+  # on frame pointer when getting a backtrace, and it must
+  # be used consistently across all object files.
+  # The same reasoning applies to -fno-stack-protector switch.
+  if(ENABLE_BACKTRACE)
+    if(CC_HAS_FNO_OMIT_FRAME_POINTER)
+      add_compile_flags("C;CXX" "-fno-omit-frame-pointer")
+    endif()
+  endif()
+
+  if(MSVC)
+    if (MSVC_VERSION LESS 1900)
+      message(FATAL_ERROR "At least \"Microsoft C/C++ Compiler\" version 19.0.24234.1 (Visual Studio 2015 Update 3) is required.")
+    endif()
+    add_compile_flags("CXX" "/Zc:__cplusplus")
+    add_compile_flags("C;CXX" "/W4")
+    add_compile_flags("C;CXX" "/utf-8")
+  else()
+    if(CC_HAS_WALL)
+      add_compile_flags("C;CXX" "-Wall")
+    endif()
+    if(CC_HAS_WEXTRA)
+      add_compile_flags("C;CXX" "-Wextra")
+    endif()
+  endif()
+
+  if(CMAKE_COMPILER_IS_GNU${CMAKE_PRIMARY_LANG}
+      AND CMAKE_${CMAKE_PRIMARY_LANG}_COMPILER_VERSION VERSION_LESS 5)
+    # G++ bug. http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31488
+    add_compile_flags("CXX" "-Wno-invalid-offsetof")
+  endif()
+
+  add_definitions("-D__STDC_FORMAT_MACROS=1")
+  add_definitions("-D__STDC_LIMIT_MACROS=1")
+  add_definitions("-D__STDC_CONSTANT_MACROS=1")
+  add_definitions("-D_HAS_EXCEPTIONS=1")
+
+  # Only add -Werror if it's a debug build, done by developers.
+  # Release builds should not cause extra trouble.
+  if(CC_HAS_WERROR AND (CI OR CMAKE_CONFIGURATION_TYPES OR CMAKE_BUILD_TYPE STREQUAL "Debug"))
+    if(MSVC)
+      add_compile_flags("C;CXX" "/WX")
+    elseif(CMAKE_COMPILER_IS_CLANG)
+      if (NOT CMAKE_${CMAKE_PRIMARY_LANG}_COMPILER_VERSION VERSION_LESS 6)
+        add_compile_flags("C;CXX" "-Werror")
+      endif()
+    elseif(CMAKE_COMPILER_IS_GNUCC)
+      if (NOT CMAKE_${CMAKE_PRIMARY_LANG}_COMPILER_VERSION VERSION_LESS 6)
+        add_compile_flags("C;CXX" "-Werror")
+      endif()
+    else()
+      add_compile_flags("C;CXX" "-Werror")
+    endif()
+  endif()
+
+  if(HAVE_OPENMP)
+    add_compile_flags("C;CXX" "-fopenmp")
+  endif()
+
+  if (ENABLE_ASAN)
+    add_compile_flags("C;CXX" -fsanitize=address)
+  endif()
+
+  if(ENABLE_GCOV)
+    if(NOT HAVE_GCOV)
+      message(FATAL_ERROR
+        "ENABLE_GCOV option requested but gcov library is not found")
+    endif()
+
+    add_compile_flags("C;CXX" "-fprofile-arcs" "-ftest-coverage")
+    set(EXE_LINKER_FLAGS "${EXE_LINKER_FLAGS} -fprofile-arcs -ftest-coverage")
+    set(SHARED_LINKER_FLAGS "${SHARED_LINKER_FLAGS} -fprofile-arcs -ftest-coverage")
+    set(MODULE_LINKER_FLAGS "${MODULE_LINKER_FLAGS} -fprofile-arcs -ftest-coverage")
+    # add_library(gcov SHARED IMPORTED)
+  endif()
+
+  if(ENABLE_GPROF)
+    add_compile_flags("C;CXX" "-pg")
+  endif()
+
+  if(CMAKE_COMPILER_IS_GNUCC AND LTO_ENABLED)
+    add_compile_flags("C;CXX" ${GCC_LTO_CFLAGS})
+    set(EXE_LINKER_FLAGS "${EXE_LINKER_FLAGS} ${GCC_LTO_CFLAGS} -fverbose-asm -fwhole-program")
+    set(SHARED_LINKER_FLAGS "${SHARED_LINKER_FLAGS} ${GCC_LTO_CFLAGS} -fverbose-asm")
+    set(MODULE_LINKER_FLAGS "${MODULE_LINKER_FLAGS} ${GCC_LTO_CFLAGS} -fverbose-asm")
+    if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5)
+      # Pass the same optimization flags to the linker
+      set(compile_flags "${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_${CMAKE_BUILD_TYPE_UPPERCASE}}")
+      set(EXE_LINKER_FLAGS "${EXE_LINKER_FLAGS} ${compile_flags}")
+      set(SHARED_LINKER_FLAGS "${SHARED_LINKER_FLAGS} ${compile_flags}")
+      set(MODULE_LINKER_FLAGS "${MODULE_LINKER_FLAGS} ${compile_flags}")
+      unset(compile_flags)
+    else()
+      add_compile_flags("CXX" "-flto-odr-type-merging")
+    endif()
+  endif()
+
+  if(MSVC AND LTO_ENABLED)
+    add_compile_flags("C;CXX" "/GL")
+    foreach(linkmode IN ITEMS EXE SHARED STATIC MODULE)
+      set(${linkmode}_LINKER_FLAGS "${${linkmode}_LINKER_FLAGS} /LTCG")
+      string(REGEX REPLACE "^(.*)(/INCREMENTAL:NO *)(.*)$" "\\1\\3" ${linkmode}_LINKER_FLAGS "${${linkmode}_LINKER_FLAGS}")
+      string(REGEX REPLACE "^(.*)(/INCREMENTAL:YES *)(.*)$" "\\1\\3" ${linkmode}_LINKER_FLAGS "${${linkmode}_LINKER_FLAGS}")
+      string(REGEX REPLACE "^(.*)(/INCREMENTAL *)(.*)$" "\\1\\3" ${linkmode}_LINKER_FLAGS "${${linkmode}_LINKER_FLAGS}")
+      string(STRIP "${${linkmode}_LINKER_FLAGS}" ${linkmode}_LINKER_FLAGS)
+      foreach(config IN LISTS CMAKE_CONFIGURATION_TYPES ITEMS Release MinSizeRel RelWithDebInfo Debug)
+        string(TOUPPER "${config}" config_uppercase)
+        if(DEFINED "CMAKE_${linkmode}_LINKER_FLAGS_${config_uppercase}")
+          string(REGEX REPLACE "^(.*)(/INCREMENTAL:NO *)(.*)$" "\\1\\3" altered_flags "${CMAKE_${linkmode}_LINKER_FLAGS_${config_uppercase}}")
+          string(REGEX REPLACE "^(.*)(/INCREMENTAL:YES *)(.*)$" "\\1\\3" altered_flags "${altered_flags}")
+          string(REGEX REPLACE "^(.*)(/INCREMENTAL *)(.*)$" "\\1\\3" altered_flags "${altered_flags}")
+          string(STRIP "${altered_flags}" altered_flags)
+          if(NOT "${altered_flags}" STREQUAL "${CMAKE_${linkmode}_LINKER_FLAGS_${config_uppercase}}")
+            set(CMAKE_${linkmode}_LINKER_FLAGS_${config_uppercase} "${altered_flags}" CACHE STRING "Altered: '/INCREMENTAL' removed for LTO" FORCE)
+          endif()
+        endif()
+      endforeach(config)
+    endforeach(linkmode)
+    unset(linkmode)
+
+    foreach(config IN LISTS CMAKE_CONFIGURATION_TYPES ITEMS Release MinSizeRel RelWithDebInfo)
+      foreach(lang IN ITEMS C CXX)
+        string(TOUPPER "${config}" config_uppercase)
+        if(DEFINED "CMAKE_${lang}_FLAGS_${config_uppercase}")
+          string(REPLACE "/O2" "/Ox" altered_flags "${CMAKE_${lang}_FLAGS_${config_uppercase}}")
+          if(NOT "${altered_flags}" STREQUAL "${CMAKE_${lang}_FLAGS_${config_uppercase}}")
+            set(CMAKE_${lang}_FLAGS_${config_uppercase} "${altered_flags}" CACHE STRING "Altered: '/O2' replaced by '/Ox' for LTO" FORCE)
+          endif()
+        endif()
+        unset(config_uppercase)
+      endforeach(lang)
+    endforeach(config)
+    unset(altered_flags)
+    unset(lang)
+    unset(config)
+  endif()
+
+  if(CMAKE_COMPILER_IS_CLANG AND OSX_ARCHITECTURES)
+    set(EXE_LINKER_FLAGS "${EXE_LINKER_FLAGS} -Wl,-keep_dwarf_unwind")
+    set(SHARED_LINKER_FLAGS "${SHARED_LINKER_FLAGS} -Wl,-keep_dwarf_unwind")
+    set(MODULE_LINKER_FLAGS "${MODULE_LINKER_FLAGS} -Wl,-keep_dwarf_unwind")
+  endif()
+
+  if(CMAKE_COMPILER_IS_CLANG AND LTO_ENABLED)
+    if(CMAKE_${CMAKE_PRIMARY_LANG}_COMPILER_VERSION VERSION_LESS 3.9)
+      set(CLANG_LTO_FLAG "-flto")
+    else()
+      set(CLANG_LTO_FLAG "-flto=thin")
+    endif()
+    add_compile_flags("C;CXX" ${CLANG_LTO_FLAG})
+    set(EXE_LINKER_FLAGS "${EXE_LINKER_FLAGS} ${CLANG_LTO_FLAG} -fverbose-asm -fwhole-program")
+    set(SHARED_LINKER_FLAGS "${SHARED_LINKER_FLAGS} ${CLANG_LTO_FLAG} -fverbose-asm")
+    set(MODULE_LINKER_FLAGS "${MODULE_LINKER_FLAGS} ${CLANG_LTO_FLAG} -fverbose-asm")
+  endif()
+
+  # LY: push C/CXX flags into the cache
+  set(CMAKE_CXX_FLAGS ${CXX_FLAGS} CACHE STRING "Flags used by the C++ compiler during all build types" FORCE)
+  set(CMAKE_C_FLAGS ${C_FLAGS} CACHE STRING "Flags used by the C compiler during all build types" FORCE)
+  set(CMAKE_EXE_LINKER_FLAGS ${EXE_LINKER_FLAGS} CACHE STRING "Flags used by the linker" FORCE)
+  set(CMAKE_SHARED_LINKER_FLAGS ${SHARED_LINKER_FLAGS} CACHE STRING "Flags used by the linker during the creation of dll's" FORCE)
+  set(CMAKE_STATIC_LINKER_FLAGS ${STATIC_LINKER_FLAGS} CACHE STRING "Flags used by the linker during the creation of static libraries" FORCE)
+  set(CMAKE_MODULE_LINKER_FLAGS ${MODULE_LINKER_FLAGS} CACHE STRING "Flags used by the linker during the creation of modules" FORCE)
+  unset(CXX_FLAGS)
+  unset(C_FLAGS)
+  unset(EXE_LINKER_FLAGS)
+  unset(SHARED_LINKER_FLAGS)
+  unset(STATIC_LINKER_FLAGS)
+  unset(MODULE_LINKER_FLAGS)
+endmacro(setup_compile_flags)
+
+# determine library for for std::filesystem
+set(LIBCXX_FILESYSTEM "")
+if(CMAKE_COMPILER_IS_GNUCXX)
+  if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 9.0)
+    set(LIBCXX_FILESYSTEM "stdc++fs")
+  endif()
+elseif (CMAKE_COMPILER_IS_CLANG)
+  if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0)
+    set(LIBCXX_FILESYSTEM "c++experimental")
+  else()
+    set(LIBCXX_FILESYSTEM "stdc++fs")
+  endif()
+endif()
+
+cmake_policy(POP)

contrib/db/libmdbx/cmake/profile.cmake

@@ -0,0 +1,45 @@
+##  Copyright (c) 2012-2019 Leonid Yuriev <leo@yuriev.ru>.
+##
+##  Licensed under the Apache License, Version 2.0 (the "License");
+##  you may not use this file except in compliance with the License.
+##  You may obtain a copy of the License at
+##
+##      http://www.apache.org/licenses/LICENSE-2.0
+##
+##  Unless required by applicable law or agreed to in writing, software
+##  distributed under the License is distributed on an "AS IS" BASIS,
+##  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+##  See the License for the specific language governing permissions and
+##  limitations under the License.
+##
+
+cmake_minimum_required(VERSION 3.8.2)
+cmake_policy(PUSH)
+cmake_policy(VERSION 3.8.2)
+
+include(CheckLibraryExists)
+check_library_exists(gcov __gcov_flush "" HAVE_GCOV)
+
+option(ENABLE_GCOV
+  "Enable integration with gcov, a code coverage program" OFF)
+
+option(ENABLE_GPROF
+  "Enable integration with gprof, a performance analyzing tool" OFF)
+
+if(CMAKE_CXX_COMPILER_LOADED)
+  include(CheckIncludeFileCXX)
+  check_include_file_cxx(valgrind/memcheck.h HAVE_VALGRIND_MEMCHECK_H)
+else()
+  include(CheckIncludeFile)
+  check_include_file(valgrind/memcheck.h HAVE_VALGRIND_MEMCHECK_H)
+endif()
+
+option(MDBX_USE_VALGRIND "Enable integration with valgrind, a memory analyzing tool" OFF)
+if(MDBX_USE_VALGRIND AND NOT HAVE_VALGRIND_MEMCHECK_H)
+  message(FATAL_ERROR "MDBX_USE_VALGRIND option is set but valgrind/memcheck.h is not found")
+endif()
+
+option(ENABLE_ASAN
+  "Enable AddressSanitizer, a fast memory error detector based on compiler instrumentation" OFF)
+
+cmake_policy(POP)

contrib/db/libmdbx/cmake/utils.cmake

@@ -0,0 +1,183 @@
+##  Copyright (c) 2012-2019 Leonid Yuriev <leo@yuriev.ru>.
+##
+##  Licensed under the Apache License, Version 2.0 (the "License");
+##  you may not use this file except in compliance with the License.
+##  You may obtain a copy of the License at
+##
+##      http://www.apache.org/licenses/LICENSE-2.0
+##
+##  Unless required by applicable law or agreed to in writing, software
+##  distributed under the License is distributed on an "AS IS" BASIS,
+##  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+##  See the License for the specific language governing permissions and
+##  limitations under the License.
+##
+
+cmake_minimum_required(VERSION 3.8.2)
+cmake_policy(PUSH)
+cmake_policy(VERSION 3.8.2)
+
+macro(add_compile_flags langs)
+  foreach(_lang ${langs})
+    string(REPLACE ";" " " _flags "${ARGN}")
+    if(CMAKE_CXX_COMPILER_LOADED AND _lang STREQUAL "CXX")
+      set("${_lang}_FLAGS" "${${_lang}_FLAGS} ${_flags}")
+    endif()
+    if(CMAKE_C_COMPILER_LOADED AND _lang STREQUAL "C")
+      set("${_lang}_FLAGS" "${${_lang}_FLAGS} ${_flags}")
+    endif()
+  endforeach()
+  unset(_lang)
+  unset(_flags)
+endmacro(add_compile_flags)
+
+macro(set_source_files_compile_flags)
+  foreach(file ${ARGN})
+    get_filename_component(_file_ext ${file} EXT)
+    set(_lang "")
+    if("${_file_ext}" STREQUAL ".m")
+      set(_lang OBJC)
+      # CMake believes that Objective C is a flavor of C++, not C,
+      # and uses g++ compiler for .m files.
+      # LANGUAGE property forces CMake to use CC for ${file}
+      set_source_files_properties(${file} PROPERTIES LANGUAGE C)
+    elseif("${_file_ext}" STREQUAL ".mm")
+      set(_lang OBJCXX)
+    endif()
+
+    if(_lang)
+      get_source_file_property(_flags ${file} COMPILE_FLAGS)
+      if("${_flags}" STREQUAL "NOTFOUND")
+        set(_flags "${CMAKE_${_lang}_FLAGS}")
+      else()
+        set(_flags "${_flags} ${CMAKE_${_lang}_FLAGS}")
+      endif()
+      # message(STATUS "Set (${file} ${_flags}")
+      set_source_files_properties(${file} PROPERTIES COMPILE_FLAGS
+        "${_flags}")
+    endif()
+  endforeach()
+  unset(_file_ext)
+  unset(_lang)
+endmacro(set_source_files_compile_flags)
+
+macro(fetch_version name version_file)
+  set(${name}_VERSION "")
+  set(${name}_GIT_DESCRIBE "")
+  set(${name}_GIT_TIMESTAMP "")
+  set(${name}_GIT_TREE "")
+  set(${name}_GIT_COMMIT "")
+  set(${name}_GIT_REVISION 0)
+  set(${name}_GIT_VERSION "")
+  if(GIT)
+    execute_process(COMMAND ${GIT} describe --tags --long --dirty=-dirty
+      OUTPUT_VARIABLE ${name}_GIT_DESCRIBE
+      OUTPUT_STRIP_TRAILING_WHITESPACE
+      WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+      RESULT_VARIABLE rc)
+    if(rc OR "${name}_GIT_DESCRIBE" STREQUAL "")
+      message(FATAL_ERROR "Please fetch tags and/or install latest version of git ('describe --tags --long --dirty' failed)")
+    endif()
+
+    execute_process(COMMAND ${GIT} show --no-patch --format=%cI HEAD
+      OUTPUT_VARIABLE ${name}_GIT_TIMESTAMP
+      OUTPUT_STRIP_TRAILING_WHITESPACE
+      WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+      RESULT_VARIABLE rc)
+    if(rc OR "${name}_GIT_TIMESTAMP" STREQUAL "%cI")
+      execute_process(COMMAND ${GIT} show --no-patch --format=%ci HEAD
+        OUTPUT_VARIABLE ${name}_GIT_TIMESTAMP
+        OUTPUT_STRIP_TRAILING_WHITESPACE
+        WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+        RESULT_VARIABLE rc)
+      if(rc OR "${name}_GIT_TIMESTAMP" STREQUAL "%ci")
+        message(FATAL_ERROR "Please install latest version of git ('show --no-patch --format=%cI HEAD' failed)")
+      endif()
+    endif()
+
+    execute_process(COMMAND ${GIT} show --no-patch --format=%T HEAD
+      OUTPUT_VARIABLE ${name}_GIT_TREE
+      OUTPUT_STRIP_TRAILING_WHITESPACE
+      WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+      RESULT_VARIABLE rc)
+    if(rc OR "${name}_GIT_TREE" STREQUAL "")
+      message(FATAL_ERROR "Please install latest version of git ('show --no-patch --format=%T HEAD' failed)")
+    endif()
+
+    execute_process(COMMAND ${GIT} show --no-patch --format=%H HEAD
+      OUTPUT_VARIABLE ${name}_GIT_COMMIT
+      OUTPUT_STRIP_TRAILING_WHITESPACE
+      WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+      RESULT_VARIABLE rc)
+    if(rc OR "${name}_GIT_COMMIT" STREQUAL "")
+      message(FATAL_ERROR "Please install latest version of git ('show --no-patch --format=%H HEAD' failed)")
+    endif()
+
+    execute_process(COMMAND ${GIT} rev-list --count --no-merges HEAD
+      OUTPUT_VARIABLE ${name}_GIT_REVISION
+      OUTPUT_STRIP_TRAILING_WHITESPACE
+      WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+      RESULT_VARIABLE rc)
+    if(rc OR "${name}_GIT_REVISION" STREQUAL "")
+      message(FATAL_ERROR "Please install latest version of git ('rev-list --count --no-merges HEAD' failed)")
+    endif()
+
+    string(REGEX MATCH "^(v)?([0-9]+)\\.([0-9]+)\\.([0-9]+)(.*)?" git_version_valid "${${name}_GIT_DESCRIBE}")
+    if(git_version_valid)
+      string(REGEX REPLACE "^(v)?([0-9]+)\\.([0-9]+)\\.([0-9]+)(.*)?" "\\2;\\3;\\4" ${name}_GIT_VERSION ${${name}_GIT_DESCRIBE})
+    else()
+      string(REGEX MATCH "^(v)?([0-9]+)\\.([0-9]+)(.*)?" git_version_valid "${${name}_GIT_DESCRIBE}")
+      if(git_version_valid)
+        string(REGEX REPLACE "^(v)?([0-9]+)\\.([0-9]+)(.*)?" "\\2;\\3;0" ${name}_GIT_VERSION ${${name}_GIT_DESCRIBE})
+      else()
+        message(AUTHOR_WARNING "Bad ${name} version \"${${name}_GIT_DESCRIBE}\"; falling back to 0.0.0 (have you made an initial release?)")
+        set(${name}_GIT_VERSION "0;0;0")
+      endif()
+    endif()
+  endif()
+
+  if(NOT ${name}_GIT_VERSION OR NOT ${name}_GIT_TIMESTAMP OR NOT ${name}_GIT_REVISION)
+    message(WARNING "Unable to retrive ${name} version from git.")
+    set(${name}_GIT_VERSION "0;0;0;0")
+    set(${name}_GIT_TIMESTAMP "")
+    set(${name}_GIT_REVISION 0)
+
+    # Try to get version from VERSION file
+    if(EXISTS "${version_file}")
+      file(STRINGS "${version_file}" ${name}_VERSION)
+    endif()
+
+    if(NOT ${name}_VERSION)
+      message(WARNING "Unable to retrive ${name} version from \"${version_file}\" file.")
+      set(${name}_VERSION_LIST ${${name}_GIT_VERSION})
+      string(REPLACE ";" "." ${name}_VERSION "${${name}_GIT_VERSION}")
+    else()
+      string(REPLACE "." ";" ${name}_VERSION_LIST ${${name}_VERSION})
+    endif()
+
+  else()
+    list(APPEND ${name}_GIT_VERSION ${${name}_GIT_REVISION})
+    set(${name}_VERSION_LIST ${${name}_GIT_VERSION})
+    string(REPLACE ";" "." ${name}_VERSION "${${name}_GIT_VERSION}")
+  endif()
+
+  list(GET ${name}_VERSION_LIST 0 "${name}_VERSION_MAJOR")
+  list(GET ${name}_VERSION_LIST 1 "${name}_VERSION_MINOR")
+  list(GET ${name}_VERSION_LIST 2 "${name}_VERSION_RELEASE")
+  list(GET ${name}_VERSION_LIST 3 "${name}_VERSION_REVISION")
+
+  set(${name}_VERSION_MAJOR ${${name}_VERSION_MAJOR} PARENT_SCOPE)
+  set(${name}_VERSION_MINOR ${${name}_VERSION_MINOR} PARENT_SCOPE)
+  set(${name}_VERSION_RELEASE ${${name}_VERSION_RELEASE} PARENT_SCOPE)
+  set(${name}_VERSION_REVISION ${${name}_VERSION_REVISION} PARENT_SCOPE)
+  set(${name}_VERSION ${${name}_VERSION} PARENT_SCOPE)
+
+  set(${name}_GIT_DESCRIBE ${${name}_GIT_DESCRIBE} PARENT_SCOPE)
+  set(${name}_GIT_TIMESTAMP ${${name}_GIT_TIMESTAMP} PARENT_SCOPE)
+  set(${name}_GIT_TREE ${${name}_GIT_TREE} PARENT_SCOPE)
+  set(${name}_GIT_COMMIT ${${name}_GIT_COMMIT} PARENT_SCOPE)
+  set(${name}_GIT_REVISION ${${name}_GIT_REVISION} PARENT_SCOPE)
+  set(${name}_GIT_VERSION ${${name}_GIT_VERSION} PARENT_SCOPE)
+endmacro(fetch_version)
+
+cmake_policy(POP)

contrib/db/libmdbx/example/CMakeLists.txt

@@ -0,0 +1,6 @@
+set(TARGET mdbx_example)
+project(${TARGET})
+
+add_executable(${TARGET} example-mdbx.c)
+
+target_link_libraries(${TARGET} mdbx)

contrib/db/libmdbx/example/README.md

@@ -0,0 +1 @@
+See [example-mdbx.c](example-mdbx.c) as an example of using _libmdbx_, and do a line-by-line comparison of it with the [sample-bdb.txt](sample-bdb.txt) file.

contrib/db/libmdbx/example/example-mdbx.c

@@ -0,0 +1,112 @@
+/* MDBX usage examle
+ *
+ * Do a line-by-line comparison of this and sample-bdb.txt
+ */
+
+/*
+ * Copyright 2015-2019 Leonid Yuriev <leo@yuriev.ru>.
+ * Copyright 2017 Ilya Shipitsin <chipitsine@gmail.com>.
+ * Copyright 2012-2015 Howard Chu, Symas Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+
+#include "mdbx.h"
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(int argc, char *argv[]) {
+  (void)argc;
+  (void)argv;
+
+  int rc;
+  MDBX_env *env = NULL;
+  MDBX_dbi dbi = 0;
+  MDBX_val key, data;
+  MDBX_txn *txn = NULL;
+  MDBX_cursor *cursor = NULL;
+  char sval[32];
+
+  rc = mdbx_env_create(&env);
+  if (rc != MDBX_SUCCESS) {
+    fprintf(stderr, "mdbx_env_create: (%d) %s\n", rc, mdbx_strerror(rc));
+    goto bailout;
+  }
+  rc = mdbx_env_open(env, "./example-db",
+                     MDBX_NOSUBDIR | MDBX_COALESCE | MDBX_LIFORECLAIM, 0664);
+  if (rc != MDBX_SUCCESS) {
+    fprintf(stderr, "mdbx_env_open: (%d) %s\n", rc, mdbx_strerror(rc));
+    goto bailout;
+  }
+
+  rc = mdbx_txn_begin(env, NULL, 0, &txn);
+  if (rc != MDBX_SUCCESS) {
+    fprintf(stderr, "mdbx_txn_begin: (%d) %s\n", rc, mdbx_strerror(rc));
+    goto bailout;
+  }
+  rc = mdbx_dbi_open(txn, NULL, 0, &dbi);
+  if (rc != MDBX_SUCCESS) {
+    fprintf(stderr, "mdbx_dbi_open: (%d) %s\n", rc, mdbx_strerror(rc));
+    goto bailout;
+  }
+
+  key.iov_len = sizeof(int);
+  key.iov_base = sval;
+  data.iov_len = sizeof(sval);
+  data.iov_base = sval;
+
+  sprintf(sval, "%03x %d foo bar", 32, 3141592);
+  rc = mdbx_put(txn, dbi, &key, &data, 0);
+  if (rc != MDBX_SUCCESS) {
+    fprintf(stderr, "mdbx_put: (%d) %s\n", rc, mdbx_strerror(rc));
+    goto bailout;
+  }
+  rc = mdbx_txn_commit(txn);
+  if (rc) {
+    fprintf(stderr, "mdbx_txn_commit: (%d) %s\n", rc, mdbx_strerror(rc));
+    goto bailout;
+  }
+  txn = NULL;
+
+  rc = mdbx_txn_begin(env, NULL, MDBX_RDONLY, &txn);
+  if (rc != MDBX_SUCCESS) {
+    fprintf(stderr, "mdbx_txn_begin: (%d) %s\n", rc, mdbx_strerror(rc));
+    goto bailout;
+  }
+  rc = mdbx_cursor_open(txn, dbi, &cursor);
+  if (rc != MDBX_SUCCESS) {
+    fprintf(stderr, "mdbx_cursor_open: (%d) %s\n", rc, mdbx_strerror(rc));
+    goto bailout;
+  }
+
+  int found = 0;
+  while ((rc = mdbx_cursor_get(cursor, &key, &data, MDBX_NEXT)) == 0) {
+    printf("key: %p %.*s, data: %p %.*s\n", key.iov_base, (int)key.iov_len,
+           (char *)key.iov_base, data.iov_base, (int)data.iov_len,
+           (char *)data.iov_base);
+    found += 1;
+  }
+  if (rc != MDBX_NOTFOUND || found == 0) {
+    fprintf(stderr, "mdbx_cursor_get: (%d) %s\n", rc, mdbx_strerror(rc));
+    goto bailout;
+  } else {
+    rc = MDBX_SUCCESS;
+  }
+bailout:
+  if (cursor)
+    mdbx_cursor_close(cursor);
+  if (txn)
+    mdbx_txn_abort(txn);
+  if (dbi)
+    mdbx_dbi_close(env, dbi);
+  if (env)
+    mdbx_env_close(env);
+  return (rc != MDBX_SUCCESS) ? EXIT_FAILURE : EXIT_SUCCESS;
+}

contrib/db/libmdbx/example/sample-bdb.txt

@@ -0,0 +1,77 @@
+/* BerkeleyDB toy/sample
+ *
+ * Do a line-by-line comparison of this and example-mdbx.c
+ */
+
+/*
+ * Copyright 2015-2019 Leonid Yuriev <leo@yuriev.ru>.
+ * Copyright 2012-2015 Howard Chu, Symas Corp.
+ * Copyright 2015,2016 Peter-Service R&D LLC.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <db.h>
+
+int main(int argc,char * argv[])
+{
+	int rc;
+	DB_ENV *env;
+	DB *dbi;
+	DBT key, data;
+	DB_TXN *txn;
+	DBC *cursor;
+	char sval[32], kval[32];
+
+	/* Note: Most error checking omitted for simplicity */
+
+#define FLAGS (DB_INIT_LOCK|DB_INIT_LOG|DB_INIT_TXN|DB_INIT_MPOOL|DB_CREATE|DB_THREAD)
+	rc = db_env_create(&env, 0);
+	rc = env->open(env, "./testdb", FLAGS, 0664);
+	rc = db_create(&dbi, env, 0);
+	rc = env->txn_begin(env, NULL, &txn, 0);
+	rc = dbi->open(dbi, txn, "test.bdb", NULL, DB_BTREE, DB_CREATE, 0664);
+
+	memset(&key, 0, sizeof(DBT));
+	memset(&data, 0, sizeof(DBT));
+	key.size = sizeof(int);
+	key.data = sval;
+	data.size = sizeof(sval);
+	data.data = sval;
+
+	sprintf(sval, "%03x %d foo bar", 32, 3141592);
+	rc = dbi->put(dbi, txn, &key, &data, 0);
+	rc = txn->commit(txn, 0);
+	if (rc) {
+		fprintf(stderr, "txn->commit: (%d) %s\n", rc, db_strerror(rc));
+		goto leave;
+	}
+	rc = env->txn_begin(env, NULL, &txn, 0);
+	rc = dbi->cursor(dbi, txn, &cursor, 0);
+	key.flags = DB_DBT_USERMEM;
+	key.data = kval;
+	key.ulen = sizeof(kval);
+	data.flags = DB_DBT_USERMEM;
+	data.data = sval;
+	data.ulen = sizeof(sval);
+	while ((rc = cursor->c_get(cursor, &key, &data, DB_NEXT)) == 0) {
+		printf("key: %p %.*s, data: %p %.*s\n",
+			key.data,  (int) key.size,  (char *) key.data,
+			data.data, (int) data.size, (char *) data.data);
+	}
+	rc = cursor->c_close(cursor);
+	rc = txn->abort(txn);
+leave:
+	rc = dbi->close(dbi, 0);
+	rc = env->close(env, 0);
+	return rc;
+}

contrib/db/libmdbx/packages/rpm/CMakeLists.txt

@@ -0,0 +1,184 @@
+cmake_minimum_required(VERSION 2.8.7)
+set(TARGET mdbx)
+project(${TARGET})
+
+set(MDBX_VERSION_MAJOR 0)
+set(MDBX_VERSION_MINOR 3)
+set(MDBX_VERSION_RELEASE 1)
+set(MDBX_VERSION_REVISION 0)
+
+set(MDBX_VERSION_STRING ${MDBX_VERSION_MAJOR}.${MDBX_VERSION_MINOR}.${MDBX_VERSION_RELEASE})
+
+enable_language(C)
+enable_language(CXX)
+
+set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD_REQUIRED on)
+
+add_definitions(-DNDEBUG=1 -DMDBX_DEBUG=0 -DLIBMDBX_EXPORTS=1 -D_GNU_SOURCE=1)
+
+find_package(Threads REQUIRED)
+
+get_directory_property(hasParent PARENT_DIRECTORY)
+if(hasParent)
+  set(STANDALONE_BUILD 0)
+else()
+  set(STANDALONE_BUILD 1)
+  enable_testing()
+
+  if (CMAKE_C_COMPILER_ID MATCHES GNU)
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O2")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g3")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wextra")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ffunction-sections")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fvisibility=hidden")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu11")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pthread")
+  endif()
+
+  if (CMAKE_CXX_COMPILER_ID MATCHES GNU)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -W")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wpointer-arith")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-sign-compare")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wformat-security")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Woverloaded-virtual")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wwrite-strings")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fmax-errors=20")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=hidden")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unused-parameter -Wunused-function -Wunused-variable -Wunused-value -Wmissing-declarations")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-missing-field-initializers")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wcast-qual")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ggdb")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-omit-frame-pointer")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-strict-aliasing")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -finline-functions-called-once")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-packed-bitfield-compat")
+
+    set(CMAKE_CXX_FLAGS_DEBUG "-O0 -g3")
+    set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O3 -g3")
+  endif()
+
+  if (COVERAGE)
+    if (NOT "${CMAKE_BUILD_TYPE}" STREQUAL "Debug")
+      message(FATAL_ERROR "Coverage requires -DCMAKE_BUILD_TYPE=Debug Current value=${CMAKE_BUILD_TYPE}")
+    endif()
+
+    message(STATUS "Setting coverage compiler flags")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g -ggdb3 -O0 --coverage -fprofile-arcs -ftest-coverage")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}     -g -ggdb3 -O0 --coverage -fprofile-arcs -ftest-coverage")
+    add_definitions(-DCOVERAGE_TEST)
+  endif()
+
+  if (NOT TRAVIS)
+    set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -fsanitize=address -fsanitize=leak -fstack-protector-strong -static-libasan")
+  endif()
+endif()
+
+set(${TARGET}_SRC
+  mdbx.h
+  src/bits.h
+  src/defs.h
+  src/lck-linux.c
+  src/mdbx.c
+  src/osal.c
+  src/osal.h
+  src/version.c
+  )
+
+add_library(${TARGET}_STATIC STATIC
+  ${${TARGET}_SRC}
+  )
+
+add_library(${TARGET} ALIAS ${TARGET}_STATIC)
+
+add_library(${TARGET}_SHARED SHARED
+  ${${TARGET}_SRC}
+  )
+
+set_target_properties(${TARGET}_SHARED PROPERTIES
+  VERSION ${MDBX_VERSION_STRING}
+  SOVERSION ${MDBX_VERSION_MAJOR}.${MDBX_VERSION_MINOR}
+  OUTPUT_NAME ${TARGET}
+  CLEAN_DIRECT_OUTPUT 1
+  )
+
+set_target_properties(${TARGET}_STATIC PROPERTIES
+  VERSION ${MDBX_VERSION_STRING}
+  SOVERSION ${MDBX_VERSION_MAJOR}.${MDBX_VERSION_MINOR}
+  OUTPUT_NAME ${TARGET}
+  CLEAN_DIRECT_OUTPUT 1
+  )
+
+target_include_directories(${TARGET}_STATIC PUBLIC
+  ${CMAKE_CURRENT_SOURCE_DIR})
+target_include_directories(${TARGET}_SHARED PUBLIC
+  ${CMAKE_CURRENT_SOURCE_DIR})
+
+target_link_libraries(${TARGET}_STATIC ${CMAKE_THREAD_LIBS_INIT})
+target_link_libraries(${TARGET}_SHARED ${CMAKE_THREAD_LIBS_INIT})
+if(UNIX AND NOT APPLE)
+  target_link_libraries(${TARGET}_STATIC rt)
+  target_link_libraries(${TARGET}_SHARED rt)
+endif()
+
+#install(TARGETS ${TARGET}_STATIC DESTINATION ${CMAKE_INSTALL_PREFIX}/lib64 COMPONENT mdbx)
+#install(TARGETS ${TARGET}_SHARED DESTINATION ${CMAKE_INSTALL_PREFIX}/lib64 COMPONENT mdbx)
+#install(FILES mdbx.h DESTINATION ${CMAKE_INSTALL_PREFIX}/include COMPONENT mdbx-devel)
+
+add_subdirectory(src/tools)
+add_subdirectory(test)
+add_subdirectory(test/pcrf)
+add_subdirectory(tutorial)
+
+##############################################################################
+
+set(CPACK_GENERATOR "RPM")
+set(CPACK_RPM_COMPONENT_INSTALL ON)
+
+# Version
+if (NOT "$ENV{BUILD_NUMBER}" STREQUAL "")
+  set(CPACK_PACKAGE_RELEASE $ENV{BUILD_NUMBER})
+else()
+  if (NOT "$ENV{CI_PIPELINE_ID}" STREQUAL "")
+    set(CPACK_PACKAGE_RELEASE $ENV{CI_PIPELINE_ID})
+  else()
+    set(CPACK_PACKAGE_RELEASE 1)
+  endif()
+endif()
+set(CPACK_RPM_PACKAGE_RELEASE ${CPACK_PACKAGE_RELEASE})
+
+set(CPACK_PACKAGE_VERSION ${MDBX_VERSION_STRING})
+set(CPACK_PACKAGE_VERSION_FULL ${CPACK_PACKAGE_VERSION}-${CPACK_PACKAGE_RELEASE})
+
+set(CPACK_RPM_mdbx-devel_PACKAGE_REQUIRES "mdbx = ${CPACK_PACKAGE_VERSION}")
+
+set(CPACK_RPM_SPEC_INSTALL_POST "/bin/true")
+set(CPACK_RPM_mdbx_PACKAGE_NAME mdbx)
+set(CPACK_RPM_mdbx-devel_PACKAGE_NAME mdbx-devel)
+set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "The revised and extended descendant of Symas LMDB")
+
+set(CPACK_PACKAGE_VENDOR "???")
+set(CPACK_PACKAGE_CONTACT "Vladimir Romanov")
+set(CPACK_PACKAGE_RELOCATABLE false)
+set(CPACK_RPM_PACKAGE_ARCHITECTURE "x86_64")
+set(CPACK_RPM_PACKAGE_REQUIRES "")
+set(CPACK_RPM_PACKAGE_GROUP "Applications/Database")
+
+set(CPACK_RPM_mdbx_FILE_NAME "${CPACK_RPM_mdbx_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION_FULL}.${CPACK_RPM_PACKAGE_ARCHITECTURE}.rpm")
+set(CPACK_RPM_mdbx-devel_FILE_NAME "${CPACK_RPM_mdbx-devel_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION_FULL}.${CPACK_RPM_PACKAGE_ARCHITECTURE}.rpm")
+
+set(CPACK_RPM_EXCLUDE_FROM_AUTO_FILELIST_ADDITION
+  /usr/local
+  /usr/local/bin
+  /usr/local/lib64
+  /usr/local/include
+  /usr/local/man
+  /usr/local/man/man1
+  )
+
+include(CPack)

contrib/db/libmdbx/packages/rpm/build.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+set -e
+CONFIG=$1
+
+if [[ -z "${CONFIG}" ]]; then
+    CONFIG=Debug
+fi
+if [[ -r /opt/rh/devtoolset-6/enable ]]; then
+    source /opt/rh/devtoolset-6/enable
+fi
+#rm -f -r build || true
+mkdir -p cmake-build-${CONFIG}
+pushd  cmake-build-${CONFIG} &> /dev/null
+if [[ ! -r Makefile ]]; then
+    cmake .. -DCMAKE_BUILD_TYPE=${CONFIG}
+fi
+make -j8 || exit 1
+popd &> /dev/null

contrib/db/libmdbx/packages/rpm/package.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+set -e
+
+CONFIG=$1
+
+if [[ -z "${CONFIG}" ]]; then
+    CONFIG=Debug
+fi
+
+DIRNAME=`dirname ${BASH_SOURCE[0]}`
+DIRNAME=`readlink --canonicalize ${DIRNAME}`
+
+if [[ -r /opt/rh/devtoolset-6/enable ]]; then
+    source /opt/rh/devtoolset-6/enable
+fi
+
+mkdir -p cmake-build-${CONFIG}
+pushd  cmake-build-${CONFIG} &> /dev/null
+if [[ ! -r Makefile ]]; then
+    cmake .. -DCMAKE_BUILD_TYPE=${CONFIG}
+fi
+rm -f *.rpm
+make -j8 package || exit 1
+rm -f *-Unspecified.rpm
+popd &> /dev/null

contrib/db/libmdbx/src/CMakeLists.txt

@@ -0,0 +1,170 @@
+##
+##  Copyright 2019 Leonid Yuriev <leo@yuriev.ru>
+##  and other libmdbx authors: please see AUTHORS file.
+##  All rights reserved.
+##
+##  Redistribution and use in source and binary forms, with or without
+##  modification, are permitted only as authorized by the OpenLDAP
+##  Public License.
+##
+##  A copy of this license is available in the file LICENSE in the
+##  top-level directory of the distribution or, alternatively, at
+##  <http://www.OpenLDAP.org/license.html>.
+##
+
+# Get version
+fetch_version(MDBX "${CMAKE_CURRENT_SOURCE_DIR}/../VERSION")
+message(STATUS "libmdbx version is ${MDBX_VERSION}")
+
+if(MDBX_ALLOY_MODE)
+  set(LIBMDBX_SOURCES alloy.c)
+else()
+  if(${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
+    set(LIBMDBX_OSAL windows)
+  else()
+    set(LIBMDBX_OSAL posix)
+  endif()
+  set(LIBMDBX_SOURCES
+    elements/defs.h elements/internals.h elements/osal.h
+    elements/core.c elements/osal.c elements/lck-${LIBMDBX_OSAL}.c)
+endif()
+list(APPEND LIBMDBX_SOURCES ../mdbx.h
+  "${CMAKE_CURRENT_SOURCE_DIR}/elements/version.c"
+  "${CMAKE_CURRENT_SOURCE_DIR}/elements/config.h")
+
+if(MDBX_BUILD_SHARED_LIBRARY)
+  add_library(mdbx SHARED ${LIBMDBX_SOURCES})
+  target_compile_definitions(mdbx PRIVATE LIBMDBX_EXPORTS INTERFACE LIBMDBX_IMPORTS)
+  set(MDBX_LIBDEP_MODE PRIVATE)
+else()
+  add_library(mdbx STATIC ${LIBMDBX_SOURCES})
+  set(MDBX_LIBDEP_MODE PUBLIC)
+endif()
+
+if(CC_HAS_VISIBILITY AND (LTO_ENABLED OR INTERPROCEDURAL_OPTIMIZATION))
+  set_target_properties(mdbx PROPERTIES LINK_FLAGS "-fvisibility=hidden")
+endif()
+
+
+set_target_properties(mdbx PROPERTIES
+  INTERPROCEDURAL_OPTIMIZATION $<BOOL:${INTERPROCEDURAL_OPTIMIZATION}>
+  C_STANDARD ${MDBX_C_STANDARD} C_STANDARD_REQUIRED ON
+  PUBLIC_HEADER "../mdbx.h")
+
+if(CC_HAS_FASTMATH)
+  target_compile_options(mdbx PRIVATE "-ffast-math")
+endif()
+if(BUILD_FOR_NATIVE_CPU AND CC_HAS_ARCH_NATIVE)
+  target_compile_options(mdbx PUBLIC "-march=native")
+endif()
+if(CC_HAS_VISIBILITY)
+  target_compile_options(mdbx PRIVATE "-fvisibility=hidden")
+endif()
+
+#install(TARGETS mdbx
+#  LIBRARY DESTINATION lib COMPONENT runtime
+#  RUNTIME DESTINATION bin COMPONENT runtime
+#  ARCHIVE DESTINATION lib/static COMPONENT devel
+#  PUBLIC_HEADER DESTINATION include
+#  INCLUDES DESTINATION include COMPONENT devel)
+
+################################################################################
+#
+# library build info (used in library version output)
+#
+set(MDBX_BUILD_FLAGS "")
+
+# append cmake's build-type flags and defines
+if(NOT CMAKE_CONFIGURATION_TYPES)
+  list(APPEND MDBX_BUILD_FLAGS ${CMAKE_C_FLAGS_${CMAKE_BUILD_TYPE_UPPERCASE}})
+  list(APPEND MDBX_BUILD_FLAGS ${CMAKE_C_DEFINES_${CMAKE_BUILD_TYPE_UPPERCASE}})
+endif()
+
+# append linker dll's options
+if(LIBMDBX_TYPE STREQUAL "SHARED")
+  list(APPEND MDBX_BUILD_FLAGS ${CMAKE_SHARED_LINKER_FLAGS})
+endif()
+
+# get definitions
+get_target_property(defs_list mdbx COMPILE_DEFINITIONS)
+if(defs_list)
+  list(APPEND MDBX_BUILD_FLAGS ${defs_list})
+endif()
+
+# get target compile options
+get_target_property(options_list mdbx COMPILE_OPTIONS)
+if(options_list)
+  list(APPEND MDBX_BUILD_FLAGS ${options_list})
+endif()
+
+list(REMOVE_DUPLICATES MDBX_BUILD_FLAGS)
+string(REPLACE ";" " " MDBX_BUILD_FLAGS "${MDBX_BUILD_FLAGS}")
+if(CMAKE_CONFIGURATION_TYPES)
+  # add dynamic part via per-configuration define
+  message(STATUS "MDBX Compile Flags: ${MDBX_BUILD_FLAGS} <AND CONFIGURATION DEPENDENT>")
+  add_definitions(-DMDBX_BUILD_FLAGS_CONFIG="$<$<CONFIG:Debug>:${CMAKE_C_FLAGS_DEBUG} ${CMAKE_C_DEFINES_DEBUG}>$<$<CONFIG:Release>:${CMAKE_C_FLAGS_RELEASE} ${CMAKE_C_DEFINES_RELEASE}>$<$<CONFIG:RelWithDebInfo>:${CMAKE_C_FLAGS_RELWITHDEBINFO} ${CMAKE_C_DEFINES_RELWITHDEBINFO}>$<$<CONFIG:MinSizeRel>:${CMAKE_C_FLAGS_MINSIZEREL} ${CMAKE_C_DEFINES_MINSIZEREL}>")
+else()
+  message(STATUS "MDBX Compile Flags: ${MDBX_BUILD_FLAGS}")
+endif()
+
+# get compiler info
+execute_process(COMMAND sh -c "${CMAKE_C_COMPILER} --version | head -1"
+  OUTPUT_VARIABLE MDBX_BUILD_COMPILER
+  OUTPUT_STRIP_TRAILING_WHITESPACE
+  ERROR_QUIET
+  RESULT_VARIABLE rc)
+if(rc OR NOT MDBX_BUILD_COMPILER)
+  string(STRIP "${CMAKE_C_COMPILER_ID}-${CMAKE_C_COMPILER_VERSION}" MDBX_BUILD_COMPILER)
+endif()
+
+# make a build-target triplet
+if(CMAKE_C_COMPILER_TARGET)
+  set(MDBX_BUILD_TARGET "${CMAKE_C_COMPILER_TARGET}")
+elseif(CMAKE_C_PLATFORM_ID AND NOT CMAKE_C_PLATFORM_ID STREQUAL CMAKE_SYSTEM_NAME)
+  string(STRIP "${CMAKE_C_PLATFORM_ID}-${CMAKE_SYSTEM_NAME}" MDBX_BUILD_TARGET)
+elseif(CMAKE_LIBRARY_ARCHITECTURE)
+  string(STRIP "${CMAKE_LIBRARY_ARCHITECTURE}-${CMAKE_SYSTEM_NAME}" MDBX_BUILD_TARGET)
+elseif(CMAKE_GENERATOR_PLATFORM AND NOT CMAKE_C_PLATFORM_ID STREQUAL CMAKE_SYSTEM_NAME)
+  string(STRIP "${CMAKE_GENERATOR_PLATFORM}-${CMAKE_SYSTEM_NAME}" MDBX_BUILD_TARGET)
+elseif(CMAKE_SYSTEM_ARCH)
+  string(STRIP "${CMAKE_SYSTEM_ARCH}-${CMAKE_SYSTEM_NAME}" MDBX_BUILD_TARGET)
+else()
+  string(STRIP "${CMAKE_SYSTEM_PROCESSOR}-${CMAKE_SYSTEM_NAME}" MDBX_BUILD_TARGET)
+endif()
+if(CMAKE_CONFIGURATION_TYPES)
+  add_definitions(-DMDBX_BUILD_CONFIG="$<CONFIG>")
+else()
+  set(MDBX_BUILD_CONFIG ${CMAKE_BUILD_TYPE})
+endif()
+
+# options
+string(TIMESTAMP MDBX_BUILD_TIMESTAMP UTC)
+set(options VERSION C_COMPILER CXX_COMPILER)
+foreach(item IN LISTS options)
+  if(DEFINED ${item})
+    set(value "${${item}}")
+  elseif(DEFINED MDBX_${item})
+    set(item MDBX_${item})
+    set(value "${${item}}")
+  elseif(DEFINED CMAKE_${item})
+    set(item CMAKE_${item})
+    set(value "${${item}}")
+  else()
+    set(value "undefined")
+  endif()
+  message(STATUS "${item}: ${value}")
+endforeach(item)
+
+# generate version and config files
+configure_file("${CMAKE_CURRENT_SOURCE_DIR}/elements/version.c.in"
+  "${CMAKE_CURRENT_SOURCE_DIR}/elements/version.c" ESCAPE_QUOTES)
+
+file(SHA256 "${CMAKE_CURRENT_SOURCE_DIR}/elements/version.c" MDBX_SOURCERY_DIGEST)
+string(MAKE_C_IDENTIFIER "${MDBX_GIT_DESCRIBE}" MDBX_SOURCERY_SUFFIX)
+set(MDBX_BUILD_SOURCERY "${MDBX_SOURCERY_DIGEST}_${MDBX_SOURCERY_SUFFIX}")
+
+configure_file("${CMAKE_CURRENT_SOURCE_DIR}/elements/config.h.in"
+  "${CMAKE_CURRENT_SOURCE_DIR}/elements/config.h" ESCAPE_QUOTES)
+add_definitions(-DMDBX_CONFIG_H="config.h")
+
+add_subdirectory(tools)

contrib/db/libmdbx/src/alloy.c

@@ -0,0 +1,26 @@
+/*
+ * Copyright 2015-2019 Leonid Yuriev <leo@yuriev.ru>
+ * and other libmdbx authors: please see AUTHORS file.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>. */
+
+/* Amalgamated build */
+#define MDBX_ALLOY 1
+#include "elements/internals.h" /* must be included fisrt */
+
+#include "elements/core.c"
+#include "elements/osal.c"
+#include "elements/version.c"
+
+#if defined(_WIN32) || defined(_WIN64)
+#include "elements/lck-windows.c"
+#else
+#include "elements/lck-posix.c"
+#endif

contrib/db/libmdbx/src/elements/config.h.in

@@ -0,0 +1,56 @@
+/* This is CMake-template for libmdbx's config.h
+ ******************************************************************************/
+
+/* *INDENT-OFF* */
+/* clang-format off */
+
+#cmakedefine HAVE_VALGRIND_MEMCHECK_H
+#cmakedefine HAS_RELAXED_CONSTEXPR
+
+#cmakedefine LTO_ENABLED
+#cmakedefine MDBX_USE_VALGRIND
+#cmakedefine ENABLE_GPROF
+#cmakedefine ENABLE_GCOV
+#cmakedefine ENABLE_ASAN
+
+/* Common */
+#cmakedefine01 MDBX_TXN_CHECKPID
+#cmakedefine01 MDBX_TXN_CHECKOWNER
+#cmakedefine01 MDBX_BUILD_SHARED_LIBRARY
+
+/* Windows */
+#cmakedefine01 MDBX_CONFIG_MANUAL_TLS_CALLBACK
+#cmakedefine01 MDBX_AVOID_CRT
+
+/* MacOS */
+#cmakedefine01 MDBX_OSX_SPEED_INSTEADOF_DURABILITY
+
+/* POSIX */
+#cmakedefine01 MDBX_USE_ROBUST
+#cmakedefine01 MDBX_USE_OFDLOCKS
+#cmakedefine01 MDBX_DISABLE_GNU_SOURCE
+
+/* Simulate "AUTO" values of tristate options */
+#cmakedefine MDBX_TXN_CHECKPID_AUTO
+#ifdef MDBX_TXN_CHECKPID_AUTO
+#undef MDBX_TXN_CHECKPID
+#endif
+#cmakedefine MDBX_USE_ROBUST_AUTO
+#ifdef MDBX_USE_ROBUST_AUTO
+#undef MDBX_USE_ROBUST
+#endif
+#cmakedefine MDBX_USE_OFDLOCKS_AUTO
+#ifdef MDBX_USE_OFDLOCKS_AUTO
+#undef MDBX_USE_OFDLOCKS
+#endif
+
+/* Build Info */
+#cmakedefine MDBX_BUILD_TIMESTAMP "@MDBX_BUILD_TIMESTAMP@"
+#cmakedefine MDBX_BUILD_TARGET "@MDBX_BUILD_TARGET@"
+#cmakedefine MDBX_BUILD_CONFIG "@MDBX_BUILD_CONFIG@"
+#cmakedefine MDBX_BUILD_COMPILER "@MDBX_BUILD_COMPILER@"
+#cmakedefine MDBX_BUILD_FLAGS "@MDBX_BUILD_FLAGS@"
+#cmakedefine MDBX_BUILD_SOURCERY @MDBX_BUILD_SOURCERY@
+
+/* *INDENT-ON* */
+/* clang-format on */