Merge branch 'MG-pmr-property-value' into MG-pmr-property-value-fixed

.clang-tidy

@@ -1,7 +1,6 @@
 ---
 Checks: '*,
          -abseil-string-find-str-contains,
-         -altera-id-dependent-backward-branch,
          -altera-struct-pack-align,
          -altera-unroll-loops,
          -android-*,
@@ -61,9 +60,7 @@ Checks: '*,
          -readability-magic-numbers,
          -readability-named-parameter,
          -misc-no-recursion,
-         -concurrency-mt-unsafe,
-         -bugprone-easily-swappable-parameters'
-
+         -concurrency-mt-unsafe'
 WarningsAsErrors: ''
 HeaderFilterRegex: 'src/.*'
 AnalyzeTemporaryDtors: false
@@ -90,3 +87,4 @@ CheckOptions:
   - key:             modernize-use-nullptr.NullMacros
     value:           'NULL'
 ...
+

.githooks/pre-commit

@@ -16,7 +16,6 @@ tmpdir=$(mktemp -d repo-XXXXXXXX)
 trap "rm -rf $tmpdir" EXIT INT
 
 modified_files=$(git diff --cached --name-only --diff-filter=AM $against | sed -nE "/.*\.(cpp|cc|cxx|c|h|hpp)$/p")
-FAIL=0
 for file in $modified_files; do
   echo "Checking $file..."
 
@@ -24,13 +23,21 @@ for file in $modified_files; do
 
   git checkout-index --prefix="$tmpdir/" -- $file
 
-  # Do not break header checker
+  echo "Running clang-format..."
+  $project_folder/tools/git-clang-format $tmpdir/$file
+  code=$?
+
+  if [ $code -ne 0 ]; then
+    break
+  fi
+
   echo "Running header checker..."
   $project_folder/tools/header-checker.py $tmpdir/$file $file --amend-year
-  CODE=$?
-  if [ $CODE -ne 0 ]; then
-    FAIL=1
+  code=$?
+
+  if [ $code -ne 0 ]; then
+    break
   fi
 done;
 
-return ${FAIL}
+return $code

.github/workflows/diff.yaml

@@ -1,7 +1,4 @@
 name: Diff
-concurrency:
-  group: ${{ github.head_ref || github.sha }}
-  cancel-in-progress: true
 
 on:
   push:
@@ -115,7 +112,7 @@ jobs:
           source /opt/toolchain-v4/activate
 
           # Restrict clang-tidy results only to the modified parts
-          git diff -U0 master... -- src | ./tools/github/clang-tidy/clang-tidy-diff.py -p 1 -j $THREADS -path build | tee ./build/clang_tidy_output.txt
+          git diff -U0 master... -- src ':!*.hpp' | ./tools/github/clang-tidy/clang-tidy-diff.py -p 1 -j $THREADS -path build | tee ./build/clang_tidy_output.txt
 
           # Fail if any warning is reported
           ! cat ./build/clang_tidy_output.txt | ./tools/github/clang-tidy/grep_error_lines.sh > /dev/null

.github/workflows/package_all.yaml

@@ -6,11 +6,11 @@ on: workflow_dispatch
 
 jobs:
   centos-7:
-    runs-on: [self-hosted, DockerMgBuild, X64]
+    runs-on: [self-hosted, DockerMgBuild]
     timeout-minutes: 60
     steps:
       - name: "Set up repository"
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           fetch-depth: 0 # Required because of release/get_version.py
       - name: "Build package"
@@ -22,29 +22,29 @@ jobs:
           name: centos-7
           path: build/output/centos-7/memgraph*.rpm
 
-  centos-9:
-    runs-on: [self-hosted, DockerMgBuild, X64]
+  centos-8:
+    runs-on: [self-hosted, DockerMgBuild]
     timeout-minutes: 60
     steps:
       - name: "Set up repository"
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           fetch-depth: 0 # Required because of release/get_version.py
       - name: "Build package"
         run: |
-          ./release/package/run.sh package centos-9
+          ./release/package/run.sh package centos-8
       - name: "Upload package"
         uses: actions/upload-artifact@v2
         with:
-          name: centos-9
-          path: build/output/centos-9/memgraph*.rpm
+          name: centos-8
+          path: build/output/centos-8/memgraph*.rpm
 
   debian-10:
-    runs-on: [self-hosted, DockerMgBuild, X64]
+    runs-on: [self-hosted, DockerMgBuild]
     timeout-minutes: 60
     steps:
       - name: "Set up repository"
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           fetch-depth: 0 # Required because of release/get_version.py
       - name: "Build package"
@@ -57,11 +57,11 @@ jobs:
           path: build/output/debian-10/memgraph*.deb
 
   debian-11:
-    runs-on: [self-hosted, DockerMgBuild, X64]
+    runs-on: [self-hosted, DockerMgBuild]
     timeout-minutes: 60
     steps:
       - name: "Set up repository"
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           fetch-depth: 0 # Required because of release/get_version.py
       - name: "Build package"
@@ -74,11 +74,11 @@ jobs:
           path: build/output/debian-11/memgraph*.deb
 
   docker:
-    runs-on: [self-hosted, DockerMgBuild, X64]
+    runs-on: [self-hosted, DockerMgBuild]
     timeout-minutes: 60
     steps:
       - name: "Set up repository"
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           fetch-depth: 0 # Required because of release/get_version.py
       - name: "Build package"
@@ -93,11 +93,11 @@ jobs:
           path: build/output/docker/memgraph*.tar.gz
 
   ubuntu-1804:
-    runs-on: [self-hosted, DockerMgBuild, X64]
+    runs-on: [self-hosted, DockerMgBuild]
     timeout-minutes: 60
     steps:
       - name: "Set up repository"
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           fetch-depth: 0 # Required because of release/get_version.py
       - name: "Build package"
@@ -110,11 +110,11 @@ jobs:
           path: build/output/ubuntu-18.04/memgraph*.deb
 
   ubuntu-2004:
-    runs-on: [self-hosted, DockerMgBuild, X64]
+    runs-on: [self-hosted, DockerMgBuild]
     timeout-minutes: 60
     steps:
       - name: "Set up repository"
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           fetch-depth: 0 # Required because of release/get_version.py
       - name: "Build package"
@@ -126,29 +126,12 @@ jobs:
           name: ubuntu-2004
           path: build/output/ubuntu-20.04/memgraph*.deb
 
-  ubuntu-2204:
-    runs-on: [self-hosted, DockerMgBuild, X64]
-    timeout-minutes: 60
-    steps:
-      - name: "Set up repository"
-        uses: actions/checkout@v3
-        with:
-          fetch-depth: 0 # Required because of release/get_version.py
-      - name: "Build package"
-        run: |
-          ./release/package/run.sh package ubuntu-22.04
-      - name: "Upload package"
-        uses: actions/upload-artifact@v2
-        with:
-          name: ubuntu-2204
-          path: build/output/ubuntu-22.04/memgraph*.deb
-
   debian-11-platform:
-    runs-on: [self-hosted, DockerMgBuild, X64]
+    runs-on: [self-hosted, DockerMgBuild]
     timeout-minutes: 60
     steps:
       - name: "Set up repository"
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           fetch-depth: 0 # Required because of release/get_version.py
       - name: "Build package"
@@ -159,20 +142,3 @@ jobs:
         with:
           name: debian-11-platform
           path: build/output/debian-11/memgraph*.deb
-
-  debian-11-arm:
-    runs-on: [self-hosted, DockerMgBuild, ARM64, strange]
-    timeout-minutes: 60
-    steps:
-      - name: "Set up repository"
-        uses: actions/checkout@v3
-        with:
-          fetch-depth: 0 # Required because of release/get_version.py
-      - name: "Build package"
-        run: |
-          ./release/package/run.sh package debian-11-arm
-      - name: "Upload package"
-        uses: actions/upload-artifact@v2
-        with:
-          name: debian-11
-          path: build/output/debian-11/memgraph*.deb

.github/workflows/release_docker.yaml

@@ -1,49 +0,0 @@
-name: Publish Docker images
-
-on:
-  workflow_dispatch:
-    inputs:
-      version:
-        description: "Memgraph binary version to publish on Dockerhub."
-        required: true
-
-jobs:
-  docker_publish:
-    runs-on: ubuntu-latest
-    env:
-      DOCKER_ORGANIZATION_NAME: memgraph
-      DOCKER_REPOSITORY_NAME: memgraph
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
-
-      - name: Set up Docker Buildx
-        id: buildx
-        uses: docker/setup-buildx-action@v1
-
-      - name: Log in to Docker Hub
-        uses: docker/login-action@v1
-        with:
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
-
-      - name: Download memgraph binary
-        run: |
-          cd release/docker
-          curl -L https://download.memgraph.com/memgraph/v${{ github.event.inputs.version }}/debian-11/memgraph_${{ github.event.inputs.version }}-1_amd64.deb > memgraph-amd64.deb
-          curl -L https://download.memgraph.com/memgraph/v${{ github.event.inputs.version }}/debian-11-aarch64/memgraph_${{ github.event.inputs.version }}-1_arm64.deb > memgraph-arm64.deb
-
-      - name: Build & push docker images
-        run: |
-          cd release/docker
-          docker buildx build \
-          --build-arg BINARY_NAME="memgraph-" \
-          --build-arg EXTENSION="deb" \
-          --platform linux/amd64,linux/arm64 \
-          --tag $DOCKER_ORGANIZATION_NAME/$DOCKER_REPOSITORY_NAME:${{ github.event.inputs.version }} \
-          --tag $DOCKER_ORGANIZATION_NAME/$DOCKER_REPOSITORY_NAME:latest \
-          --file memgraph_deb.dockerfile \
-          --push .

.gitignore

@@ -9,7 +9,6 @@
 *.swn
 *.swo
 *.swp
-
 *~
 .DS_Store
 .gdb_history
@@ -27,7 +26,6 @@ src/query/frontend/opencypher/generated/
 tags
 ve/
 ve3/
-.cache/
 perf.data*
 TAGS
 *.apollo_measurements

.pre-commit-config.yaml

@@ -1,24 +0,0 @@
-repos:
-  - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v2.3.0
-    hooks:
-      - id: check-yaml
-      - id: end-of-file-fixer
-      - id: trailing-whitespace
-  - repo: https://github.com/psf/black
-    rev: 22.3.0
-    hooks:
-      - id: black
-        args: # arguments to configure black
-          - --line-length=120
-          - --include='\.pyi?$'
-          # these folders wont be formatted by black
-          - --exclude="""\.git |
-            \.__pycache__|
-            build|
-            libs|
-            .cache"""
-  - repo: https://github.com/pre-commit/mirrors-clang-format
-    rev: v13.0.0
-    hooks:
-      - id: clang-format

CMakeLists.txt

@@ -184,8 +184,7 @@ set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall \
     -Werror=switch -Werror=switch-bool -Werror=return-type \
     -Werror=return-stack-address \
-    -Wno-c99-designator \
-    -DBOOST_ASIO_USE_TS_EXECUTOR_AS_DEFAULT")
+    -Wno-c99-designator")
 
 # Don't omit frame pointer in RelWithDebInfo, for additional callchain debug.
 set(CMAKE_CXX_FLAGS_RELWITHDEBINFO
@@ -205,8 +204,6 @@ set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fuse-ld=gold")
 # release flags
 set(CMAKE_CXX_FLAGS_RELEASE "-O2 -DNDEBUG")
 
-SET(CMAKE_CXX_LINK_FLAGS "${CMAKE_CXX_LINK_FLAGS} -pthread")
-
 #debug flags
 set(PREFERRED_DEBUGGER "gdb" CACHE STRING
     "Tunes the debug output for your preferred debugger (gdb or lldb).")

CODEOWNERS

@@ -1 +1 @@
-* @antaljanosbenjamin @kostasrim
+* @gitbuda @antonio2368 @antaljanosbenjamin @kostasrim @jbajic

README.md

@@ -54,18 +54,6 @@ Memgraph is implemented in C/C++ and leverages an in-memory first architecture
 to ensure that you’re getting the best possible performance consistently and
 without surprises. It’s also ACID-compliant and highly available.
 
-## :video_game: Memgraph Playground
-
-You don't need to install anything to try out Memgraph. Check out 
-our **[Memgraph Playground](https://playground.memgraph.com/)** sandboxes in 
-your browser.
-
-<p align="left">
-  <a href="https://playground.memgraph.com/">
-    <img width="450px" alt="Memgraph Playground" src="https://download.memgraph.com/asset/github/memgraph/memgraph-playground.png">
-  </a>
-</p>
-
 ## :floppy_disk: Download & Install
 
 ### Windows

config/flags.yaml

@@ -47,14 +47,6 @@ modifications:
     value: ""
     override: false
 
-  - name: "bolt_cert_file"
-    value: "/etc/memgraph/ssl/cert.pem"
-    override: false
-
-  - name: "bolt_key_file"
-    value: "/etc/memgraph/ssl/key.pem"
-    override: false
-
   - name: "storage_properties_on_edges"
     value: "true"
     override: true

config/generate.py

@@ -18,16 +18,14 @@ WIDTH = 80
 
 def wrap_text(s, initial_indent="# "):
     return "\n#\n".join(
-        map(
-            lambda x: textwrap.fill(x, WIDTH, initial_indent=initial_indent, subsequent_indent="# "),
-            s.split("\n"),
-        )
-    )
+        map(lambda x: textwrap.fill(x, WIDTH, initial_indent=initial_indent,
+                                    subsequent_indent="# "), s.split("\n")))
 
 
 def extract_flags(binary_path):
     ret = {}
-    data = subprocess.run([binary_path, "--help-xml"], stdout=subprocess.PIPE).stdout.decode("utf-8")
+    data = subprocess.run([binary_path, "--help-xml"],
+                          stdout=subprocess.PIPE).stdout.decode("utf-8")
     root = ET.fromstring(data)
     for child in root:
         if child.tag == "usage" and child.text.lower().count("warning"):
@@ -48,7 +46,8 @@ def apply_config_to_flags(config, flags):
     for modification in config["modifications"]:
         name = modification["name"]
         if name not in flags:
-            print("WARNING: Flag '" + name + "' missing from binary!", file=sys.stderr)
+            print("WARNING: Flag '" + name + "' missing from binary!",
+                  file=sys.stderr)
             continue
         flags[name]["default"] = modification["value"]
         flags[name]["override"] = modification["override"]
@@ -76,9 +75,8 @@ def extract_sections(flags):
     else:
         sections.append((current_section, current_flags))
     sections.append(("other", other))
-    assert set(sum(map(lambda x: x[1], sections), [])) == set(
-        flags.keys()
-    ), "The section extraction algorithm lost some flags!"
+    assert set(sum(map(lambda x: x[1], sections), [])) == set(flags.keys()), \
+        "The section extraction algorithm lost some flags!"
     return sections
 
 
@@ -91,7 +89,8 @@ def generate_config_file(sections, flags):
             helpstr = flag["meaning"] + " [" + flag["type"] + "]"
             ret += wrap_text(helpstr) + "\n"
             prefix = "# " if not flag["override"] else ""
-            ret += prefix + "--" + flag["name"].replace("_", "-") + "=" + flag["default"] + "\n\n"
+            ret += prefix + "--" + flag["name"].replace("_", "-") + \
+                "=" + flag["default"] + "\n\n"
         ret += "\n"
     ret += wrap_text(config["footer"])
     return ret.strip() + "\n"
@@ -99,16 +98,13 @@ def generate_config_file(sections, flags):
 
 if __name__ == "__main__":
     parser = argparse.ArgumentParser()
-    parser.add_argument("memgraph_binary", help="path to Memgraph binary")
-    parser.add_argument(
-        "output_file",
-        help="path where to store the generated Memgraph " "configuration file",
-    )
-    parser.add_argument(
-        "--config-file",
-        default=CONFIG_FILE,
-        help="path to generator configuration file",
-    )
+    parser.add_argument("memgraph_binary",
+                        help="path to Memgraph binary")
+    parser.add_argument("output_file",
+                        help="path where to store the generated Memgraph "
+                        "configuration file")
+    parser.add_argument("--config-file", default=CONFIG_FILE,
+                        help="path to generator configuration file")
 
     args = parser.parse_args()
     flags = extract_flags(args.memgraph_binary)

environment/os/centos-7.sh

@@ -11,7 +11,7 @@ TOOLCHAIN_BUILD_DEPS=(
     gnupg2 # used for archive signature verification
     tar gzip bzip2 xz unzip # used for archive unpacking
     zlib-devel # zlib library used for all builds
-    expat-devel libipt libipt-devel libbabeltrace-devel xz-devel python3-devel # gdb
+    expat-devel libipt-devel libbabeltrace-devel xz-devel python3-devel # gdb
     texinfo # gdb
     libcurl-devel # cmake
     curl # snappy
@@ -22,7 +22,6 @@ TOOLCHAIN_BUILD_DEPS=(
     openssl-devel
     gmp-devel
     gperf
-    patch
 )
 
 TOOLCHAIN_RUN_DEPS=(
@@ -106,7 +105,7 @@ install() {
       https://repo.ius.io/ius-release-el7.rpm
     yum update -y
     yum install -y wget python3 python3-pip
-    yum install -y git
+    yum install -y git224
     for pkg in $1; do
         if [ "$pkg" == libipt ]; then
             if ! yum list installed libipt >/dev/null 2>/dev/null; then

environment/os/centos-8.sh

@@ -0,0 +1,159 @@
+#!/bin/bash
+
+set -Eeuo pipefail
+
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+source "$DIR/../util.sh"
+
+TOOLCHAIN_BUILD_DEPS=(
+    coreutils gcc gcc-c++ make # generic build tools
+    wget # used for archive download
+    gnupg2 # used for archive signature verification
+    tar gzip bzip2 xz unzip # used for archive unpacking
+    zlib-devel # zlib library used for all builds
+    expat-devel libipt-devel libbabeltrace-devel xz-devel python36-devel texinfo # for gdb
+    libcurl-devel # for cmake
+    curl # snappy
+    readline-devel # for cmake and llvm
+    libffi-devel libxml2-devel # for llvm
+    libedit-devel pcre-devel automake bison # for swig
+    file
+    openssl-devel
+    gmp-devel
+    gperf
+)
+
+TOOLCHAIN_RUN_DEPS=(
+    make # generic build tools
+    tar gzip bzip2 xz # used for archive unpacking
+    zlib # zlib library used for all builds
+    expat libipt libbabeltrace xz-libs python36 # for gdb
+    readline # for cmake and llvm
+    libffi libxml2 # for llvm
+    openssl-devel
+)
+
+MEMGRAPH_BUILD_DEPS=(
+    git # source code control
+    make pkgconf-pkg-config # build system
+    curl wget # for downloading libs
+    libuuid-devel java-11-openjdk # required by antlr
+    readline-devel # for memgraph console
+    python36-devel # for query modules
+    openssl-devel
+    libseccomp-devel
+    python36 python3-virtualenv python3-pip nmap-ncat # for qa, macro_benchmark and stress tests
+    #
+    # IMPORTANT: python3-yaml does NOT exist on CentOS
+    # Install it manually using `pip3 install PyYAML`
+    #
+    PyYAML # Package name here does not correspond to the yum package!
+    libcurl-devel # mg-requests
+    rpm-build rpmlint # for RPM package building
+    doxygen graphviz # source documentation generators
+    which mono-complete dotnet-sdk-3.1 nodejs golang zip unzip java-11-openjdk-devel # for driver tests
+    sbcl # for custom Lisp C++ preprocessing
+    autoconf # for jemalloc code generation
+    libtool  # for protobuf code generation
+)
+
+list() {
+    echo "$1"
+}
+
+check() {
+    local missing=""
+    for pkg in $1; do
+        if [ "$pkg" == "PyYAML" ]; then
+            if ! python3 -c "import yaml" >/dev/null 2>/dev/null; then
+                missing="$pkg $missing"
+            fi
+            continue
+        fi
+        if ! yum list installed "$pkg" >/dev/null 2>/dev/null; then
+            missing="$pkg $missing"
+        fi
+    done
+    if [ "$missing" != "" ]; then
+        echo "MISSING PACKAGES: $missing"
+        exit 1
+    fi
+}
+
+install() {
+    cd "$DIR"
+    if [ "$EUID" -ne 0 ]; then
+        echo "Please run as root."
+        exit 1
+    fi
+    # If GitHub Actions runner is installed, append LANG to the environment.
+    # Python related tests doesn't work the LANG export.
+    if [ -d "/home/gh/actions-runner" ]; then
+        echo "LANG=en_US.utf8" >> /home/gh/actions-runner/.env
+    else
+        echo "NOTE: export LANG=en_US.utf8"
+    fi
+    dnf install -y epel-release
+    dnf install -y 'dnf-command(config-manager)'
+    dnf config-manager --set-enabled powertools # Required to install texinfo.
+    dnf update -y
+    dnf install -y wget git python36 python3-pip
+    for pkg in $1; do
+        if [ "$pkg" == libipt ]; then
+            if ! dnf list installed libipt >/dev/null 2>/dev/null; then
+                dnf install -y http://repo.okay.com.mx/centos/8/x86_64/release/libipt-1.6.1-8.el8.x86_64.rpm
+            fi
+            continue
+        fi
+        if [ "$pkg" == libipt-devel ]; then
+            if ! yum list installed libipt-devel >/dev/null 2>/dev/null; then
+                dnf install -y http://repo.okay.com.mx/centos/8/x86_64/release/libipt-devel-1.6.1-8.el8.x86_64.rpm
+            fi
+            continue
+        fi
+        # Install GDB dependencies not present in the standard repos.
+        # https://bugs.centos.org/view.php?id=17068
+        # https://centos.pkgs.org
+	    # Since 2020, there is Babeltrace2 (https://babeltrace.org). Not used
+        # within GDB yet (an assumption).
+        if [ "$pkg" == libbabeltrace-devel ]; then
+            if ! dnf list installed libbabeltrace-devel >/dev/null 2>/dev/null; then
+                dnf install -y http://mirror.centos.org/centos/8/PowerTools/x86_64/os/Packages/libbabeltrace-devel-1.5.4-3.el8.x86_64.rpm
+            fi
+            continue
+        fi
+        if [ "$pkg" == sbcl ]; then
+            if ! dnf list installed cl-asdf >/dev/null 2>/dev/null; then
+                dnf install -y 	https://pkgs.dyn.su/el8/base/x86_64/cl-asdf-20101028-18.el8.noarch.rpm
+            fi
+            if ! dnf list installed common-lisp-controller >/dev/null 2>/dev/null; then
+                dnf install -y https://pkgs.dyn.su/el8/base/x86_64/common-lisp-controller-7.4-20.el8.noarch.rpm
+            fi
+            if ! dnf list installed sbcl >/dev/null 2>/dev/null; then
+                dnf install -y https://pkgs.dyn.su/el8/base/x86_64/sbcl-2.0.1-4.el8.x86_64.rpm
+            fi
+            continue
+        fi
+        if [ "$pkg" == dotnet-sdk-3.1 ]; then
+            if ! dnf list installed dotnet-sdk-3.1 >/dev/null 2>/dev/null; then
+                wget -nv https://packages.microsoft.com/config/centos/8/packages-microsoft-prod.rpm -O packages-microsoft-prod.rpm
+                rpm -Uvh https://packages.microsoft.com/config/centos/8/packages-microsoft-prod.rpm
+                dnf update -y
+                dnf install -y dotnet-sdk-3.1
+            fi
+            continue
+        fi
+        if [ "$pkg" == PyYAML ]; then
+            if [ -z ${SUDO_USER+x} ]; then # Running as root (e.g. Docker).
+                pip3 install --user PyYAML
+            else # Running using sudo.
+                sudo -H -u "$SUDO_USER" bash -c "pip3 install --user PyYAML"
+            fi
+            continue
+        fi
+        dnf install -y "$pkg"
+    done
+}
+
+deps=$2"[*]"
+"$1" "${!deps}"

environment/os/centos-9.sh

@@ -6,12 +6,14 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
 source "$DIR/../util.sh"
 
 TOOLCHAIN_BUILD_DEPS=(
-    coreutils-common gcc gcc-c++ make # generic build tools
+    coreutils gcc gcc-c++ make # generic build tools
     wget # used for archive download
     gnupg2 # used for archive signature verification
     tar gzip bzip2 xz unzip # used for archive unpacking
     zlib-devel # zlib library used for all builds
-    expat-devel xz-devel python3-devel texinfo libbabeltrace-devel # for gdb
+    expat-devel xz-devel python3-devel texinfo # for gdb
+    libcurl-devel # for cmake
+    curl # snappy
     readline-devel # for cmake and llvm
     libffi-devel libxml2-devel # for llvm
     libedit-devel pcre-devel automake bison # for swig
@@ -19,9 +21,6 @@ TOOLCHAIN_BUILD_DEPS=(
     openssl-devel
     gmp-devel
     gperf
-    diffutils
-    libipt libipt-devel # intel
-    patch
 )
 
 TOOLCHAIN_RUN_DEPS=(
@@ -32,19 +31,18 @@ TOOLCHAIN_RUN_DEPS=(
     readline # for cmake and llvm
     libffi libxml2 # for llvm
     openssl-devel
-    perl # for openssl
 )
 
 MEMGRAPH_BUILD_DEPS=(
     git # source code control
     make pkgconf-pkg-config # build system
-    wget # for downloading libs
+    curl wget # for downloading libs
     libuuid-devel java-11-openjdk # required by antlr
     readline-devel # for memgraph console
     python3-devel # for query modules
     openssl-devel
     libseccomp-devel
-    python3 python3-pip python3-virtualenv nmap-ncat # for qa, macro_benchmark and stress tests
+    python3 python3-virtualenv python3-pip nmap-ncat # for qa, macro_benchmark and stress tests
     #
     # IMPORTANT: python3-yaml does NOT exist on CentOS
     # Install it manually using `pip3 install PyYAML`
@@ -75,6 +73,12 @@ check() {
         if [ "$pkg" == "python3-virtualenv" ]; then
             continue
         fi
+        if [ "$pkg" == sbcl ]; then
+            if ! sbcl --version &> /dev/null; then
+	        missing="$pkg $missing"
+            fi
+            continue
+        fi
         if ! yum list installed "$pkg" >/dev/null 2>/dev/null; then
             missing="$pkg $missing"
         fi
@@ -101,37 +105,13 @@ install() {
     yum update -y
     yum install -y wget git python3 python3-pip
     for pkg in $1; do
-        # Since there is no support for libipt-devel for CentOS 9 we install
-        # Fedoras version of same libs, they are the same version but released
-        # for different OS
-        # TODO Update when libipt-devel releases for CentOS 9
-        if [ "$pkg" == libipt ]; then
-            if ! dnf list installed libipt >/dev/null 2>/dev/null; then
-                dnf install -y http://repo.okay.com.mx/centos/8/x86_64/release/libipt-1.6.1-8.el8.x86_64.rpm
-            fi
-            continue
-        fi
-        if [ "$pkg" == libipt-devel ]; then
-            if ! dnf list installed libipt-devel >/dev/null 2>/dev/null; then
-                dnf install -y http://repo.okay.com.mx/centos/8/x86_64/release/libipt-devel-1.6.1-8.el8.x86_64.rpm
-            fi
-            continue
-        fi
-        if [ "$pkg" == libbabeltrace-devel ]; then
-            if ! dnf list installed libbabeltrace-devel >/dev/null 2>/dev/null; then
-                dnf install -y http://mirror.stream.centos.org/9-stream/CRB/x86_64/os/Packages/libbabeltrace-devel-1.5.8-10.el9.x86_64.rpm
-            fi
-            continue
-        fi
         if [ "$pkg" == sbcl ]; then
-            if ! dnf list installed cl-asdf >/dev/null 2>/dev/null; then
-                dnf install -y 	https://pkgs.dyn.su/el8/base/x86_64/cl-asdf-20101028-18.el8.noarch.rpm
-            fi
-            if ! dnf list installed common-lisp-controller >/dev/null 2>/dev/null; then
-                dnf install -y https://pkgs.dyn.su/el8/base/x86_64/common-lisp-controller-7.4-20.el8.noarch.rpm
-            fi
-            if ! dnf list installed sbcl >/dev/null 2>/dev/null; then
-                dnf install -y https://pkgs.dyn.su/el8/base/x86_64/sbcl-2.0.1-4.el8.x86_64.rpm
+            if ! sbcl --version &> /dev/null; then
+	        curl -s https://altushost-swe.dl.sourceforge.net/project/sbcl/sbcl/1.4.2/sbcl-1.4.2-arm64-linux-binary.tar.bz2 -o /tmp/sbcl-arm64.tar.bz2
+		tar xvjf /tmp/sbcl-arm64.tar.bz2 -C /tmp
+		pushd /tmp/sbcl-1.4.2-arm64-linux
+		INSTALL_ROOT=/usr/local sh install.sh
+		popd
             fi
             continue
         fi
@@ -145,11 +125,9 @@ install() {
         fi
         if [ "$pkg" == python3-virtualenv ]; then
             if [ -z ${SUDO_USER+x} ]; then # Running as root (e.g. Docker).
-                pip3 install virtualenv
-                pip3 install virtualenvwrapper
+                pip3 install --user virtualenv
             else # Running using sudo.
-                sudo -H -u "$SUDO_USER" bash -c "pip3 install virtualenv"
-                sudo -H -u "$SUDO_USER" bash -c "pip3 install virtualenvwrapper"
+                sudo -H -u "$SUDO_USER" bash -c "pip3 install --user virtualenv"
             fi
             continue
         fi

environment/os/debian-11-arm.sh

@@ -1,95 +0,0 @@
-#!/bin/bash
-
-set -Eeuo pipefail
-
-DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
-source "$DIR/../util.sh"
-
-TOOLCHAIN_BUILD_DEPS=(
-    coreutils gcc g++ build-essential make # generic build tools
-    wget # used for archive download
-    gnupg # used for archive signature verification
-    tar gzip bzip2 xz-utils unzip # used for archive unpacking
-    zlib1g-dev # zlib library used for all builds
-    libexpat1-dev liblzma-dev python3-dev texinfo # for gdb
-    libcurl4-openssl-dev # for cmake
-    libreadline-dev # for cmake and llvm
-    libffi-dev libxml2-dev # for llvm
-    libedit-dev libpcre3-dev automake bison # for swig
-    curl # snappy
-    file # for libunwind
-    libssl-dev # for libevent
-    libgmp-dev
-    gperf # for proxygen
-    git # for fbthrift
-)
-
-TOOLCHAIN_RUN_DEPS=(
-    make # generic build tools
-    tar gzip bzip2 xz-utils # used for archive unpacking
-    zlib1g # zlib library used for all builds
-    libexpat1 liblzma5 python3 # for gdb
-    libcurl4 # for cmake
-    file # for CPack
-    libreadline8 # for cmake and llvm
-    libffi7 libxml2 # for llvm
-    libssl-dev # for libevent
-)
-
-MEMGRAPH_BUILD_DEPS=(
-    git # source code control
-    make pkg-config # build system
-    curl wget # for downloading libs
-    uuid-dev default-jre-headless # required by antlr
-    libreadline-dev # for memgraph console
-    libpython3-dev python3-dev # for query modules
-    libssl-dev
-    libseccomp-dev
-    netcat # tests are using nc to wait for memgraph
-    python3 virtualenv python3-virtualenv python3-pip # for qa, macro_benchmark and stress tests
-    python3-yaml # for the configuration generator
-    libcurl4-openssl-dev # mg-requests
-    sbcl # for custom Lisp C++ preprocessing
-    doxygen graphviz # source documentation generators
-    mono-runtime mono-mcs zip unzip default-jdk-headless # for driver tests
-    golang nodejs npm
-    autoconf # for jemalloc code generation
-    libtool  # for protobuf code generation
-)
-
-list() {
-    echo "$1"
-}
-
-check() {
-    check_all_dpkg "$1"
-}
-
-install() {
-    cat >/etc/apt/sources.list <<EOF
-deb http://deb.debian.org/debian bullseye main
-deb-src http://deb.debian.org/debian bullseye main
-
-deb http://deb.debian.org/debian-security/ bullseye-security main
-deb-src http://deb.debian.org/debian-security/ bullseye-security main
-
-deb http://deb.debian.org/debian bullseye-updates main
-deb-src http://deb.debian.org/debian bullseye-updates main
-EOF
-    cd "$DIR"
-    apt update
-    # If GitHub Actions runner is installed, append LANG to the environment.
-    # Python related tests doesn't work the LANG export.
-    if [ -d "/home/gh/actions-runner" ]; then
-        echo "LANG=en_US.utf8" >> /home/gh/actions-runner/.env
-    else
-        echo "NOTE: export LANG=en_US.utf8"
-    fi
-    apt install -y wget
-    for pkg in $1; do
-        apt install -y "$pkg"
-    done
-}
-
-deps=$2"[*]"
-"$1" "${!deps}"

environment/os/debian-11.sh

@@ -87,7 +87,7 @@ EOF
     fi
     apt install -y wget
     for pkg in $1; do
-        if [ "$pkg" == dotnet-sdk-3.1  ]; then
+        if [ "$pkg" == dotnet-sdk-3.1 ]; then
             if ! dpkg -s "$pkg" 2>/dev/null >/dev/null; then
                 wget -nv https://packages.microsoft.com/config/debian/10/packages-microsoft-prod.deb -O packages-microsoft-prod.deb
                 dpkg -i packages-microsoft-prod.deb

environment/os/ubuntu-22.04.sh

@@ -1,93 +0,0 @@
-#!/bin/bash
-
-set -Eeuo pipefail
-
-DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
-source "$DIR/../util.sh"
-
-TOOLCHAIN_BUILD_DEPS=(
-    coreutils gcc g++ build-essential make # generic build tools
-    wget # used for archive download
-    gnupg # used for archive signature verification
-    tar gzip bzip2 xz-utils unzip # used for archive unpacking
-    zlib1g-dev # zlib library used for all builds
-    libexpat1-dev libipt-dev libbabeltrace-dev liblzma-dev python3-dev texinfo # for gdb
-    libcurl4-openssl-dev # for cmake
-    libreadline-dev # for cmake and llvm
-    libffi-dev libxml2-dev # for llvm
-    curl # snappy
-    file
-    git # for thrift
-    libgmp-dev # for gdb
-    gperf # for proxygen
-    libssl-dev
-    libedit-dev libpcre3-dev automake bison # for swig
-)
-
-TOOLCHAIN_RUN_DEPS=(
-    make # generic build tools
-    tar gzip bzip2 xz-utils # used for archive unpacking
-    zlib1g # zlib library used for all builds
-    libexpat1 libipt2 libbabeltrace1 liblzma5 python3 # for gdb
-    libcurl4 # for cmake
-    libreadline8 # for cmake and llvm
-    libffi7 libxml2 # for llvm
-    libssl-dev # for libevent
-)
-
-MEMGRAPH_BUILD_DEPS=(
-    git # source code control
-    make pkg-config # build system
-    curl wget # for downloading libs
-    uuid-dev default-jre-headless # required by antlr
-    libreadline-dev # for memgraph console
-    libpython3-dev python3-dev # for query modules
-    libssl-dev
-    libseccomp-dev
-    netcat # tests are using nc to wait for memgraph
-    python3 python3-virtualenv python3-pip # for qa, macro_benchmark and stress tests
-    python3-yaml # for the configuration generator
-    libcurl4-openssl-dev # mg-requests
-    sbcl # for custom Lisp C++ preprocessing
-    doxygen graphviz # source documentation generators
-    mono-runtime mono-mcs zip unzip default-jdk-headless # for driver tests
-    dotnet-sdk-6.0 golang nodejs npm
-    autoconf # for jemalloc code generation
-    libtool  # for protobuf code generation
-)
-
-list() {
-    echo "$1"
-}
-
-check() {
-    check_all_dpkg "$1"
-}
-
-install() {
-    cd "$DIR"
-    apt update
-    # If GitHub Actions runner is installed, append LANG to the environment.
-    # Python related tests doesn't work the LANG export.
-    if [ -d "/home/gh/actions-runner" ]; then
-        echo "LANG=en_US.utf8" >> /home/gh/actions-runner/.env
-    else
-        echo "NOTE: export LANG=en_US.utf8"
-    fi
-    apt install -y wget
-    for pkg in $1; do
-        if [ "$pkg" == dotnet-sdk-6.0 ]; then
-            if ! dpkg -s dotnet-sdk-6.0 2>/dev/null >/dev/null; then
-                wget -nv https://packages.microsoft.com/config/ubuntu/22.04/packages-microsoft-prod.deb -O packages-microsoft-prod.deb
-                dpkg -i packages-microsoft-prod.deb
-                apt-get update
-                apt-get install -y apt-transport-https dotnet-sdk-6.0
-            fi
-            continue
-        fi
-        apt install -y "$pkg"
-    done
-}
-
-deps=$2"[*]"
-"$1" "${!deps}"

environment/toolchain/folly.diff

@@ -0,0 +1,2 @@
+31d30
+< add_subdirectory(logging/example)

environment/toolchain/folly.patch

@@ -1,41 +0,0 @@
-diff -ur a/folly/CMakeLists.txt b/folly/CMakeLists.txt
---- a/folly/CMakeLists.txt	2021-12-12 23:10:42.000000000 +0100
-+++ b/folly/CMakeLists.txt	2022-02-03 15:19:41.349693134 +0100
-@@ -28,7 +28,6 @@
- )
-
- add_subdirectory(experimental/exception_tracer)
--add_subdirectory(logging/example)
-
- if (PYTHON_EXTENSIONS)
-   # Create tree of symbolic links in structure required for successful
-diff -ur a/folly/experimental/exception_tracer/ExceptionTracerLib.cpp b/folly/experimental/exception_tracer/ExceptionTracerLib.cpp
---- a/folly/experimental/exception_tracer/ExceptionTracerLib.cpp	2021-12-12 23:10:42.000000000 +0100
-+++ b/folly/experimental/exception_tracer/ExceptionTracerLib.cpp	2022-02-03 15:19:11.003368891 +0100
-@@ -96,6 +96,7 @@
- #define __builtin_unreachable()
- #endif
-
-+#if 0
- namespace __cxxabiv1 {
-
- void __cxa_throw(
-@@ -154,5 +155,5 @@
- }
-
- } // namespace std
--
-+#endif
- #endif // defined(__GLIBCXX__)
-diff -ur a/folly/Portability.h b/folly/Portability.h
---- a/folly/Portability.h	2021-12-12 23:10:42.000000000 +0100
-+++ b/folly/Portability.h	2022-02-03 15:19:11.003368891 +0100
-@@ -566,7 +566,7 @@
- #define FOLLY_HAS_COROUTINES 0
- #elif (__cpp_coroutines >= 201703L || __cpp_impl_coroutine >= 201902L) && \
-     (__has_include(<coroutine>) || __has_include(<experimental/coroutine>))
--#define FOLLY_HAS_COROUTINES 1
-+#define FOLLY_HAS_COROUTINES 0
- // This is mainly to workaround bugs triggered by LTO, when stack allocated
- // variables in await_suspend end up on a coroutine frame.
- #define FOLLY_CORO_AWAIT_SUSPEND_NONTRIVIAL_ATTRIBUTES FOLLY_NOINLINE

environment/toolchain/proxygen.diff

@@ -0,0 +1,2 @@
+24d23
+< find_dependency(mvfst)

environment/toolchain/proxygen.patch

@@ -1,11 +0,0 @@
-diff -ur a/cmake/proxygen-config.cmake.in b/cmake/proxygen-config.cmake.in
---- a/cmake/proxygen-config.cmake.in	2021-12-13 02:37:05.000000000 +0100
-+++ b/cmake/proxygen-config.cmake.in	2022-01-27 17:14:28.284810621 +0100
-@@ -21,7 +21,6 @@
- find_dependency(folly)
- find_dependency(wangle)
- find_dependency(Fizz)
--find_dependency(mvfst)
- # For now, anything that depends on Proxygen has to copy its FindZstd.cmake
- # and issue a `find_package(Zstd)`.  Uncommenting this won't work because
- # this Zstd module exposes a library called `zstd`.  The right fix is

environment/toolchain/snappy.diff

@@ -0,0 +1,16 @@
+55,57c55,57
+<   # Disable RTTI.
+<   string(REGEX REPLACE "/GR" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+<   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /GR-")
+---
+>   # # Disable RTTI.
+>   # string(REGEX REPLACE "/GR" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+>   # set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /GR-")
+80,82c80,82
+<   # Disable RTTI.
+<   string(REGEX REPLACE "-frtti" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+<   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti")
+---
+>   # # Disable RTTI.
+>   # string(REGEX REPLACE "-frtti" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+>   # set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti")

environment/toolchain/snappy.patch

@@ -1,29 +0,0 @@
-diff -ur a/CMakeLists.txt b/CMakeLists.txt
---- a/CMakeLists.txt	2021-05-05 00:53:34.000000000 +0200
-+++ b/CMakeLists.txt	2022-01-27 17:18:34.758302398 +0100
-@@ -52,9 +52,9 @@
-   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHs-c-")
-   add_definitions(-D_HAS_EXCEPTIONS=0)
- 
--  # Disable RTTI.
--  string(REGEX REPLACE "/GR" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
--  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /GR-")
-+  # # Disable RTTI.
-+  # string(REGEX REPLACE "/GR" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
-+  # set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /GR-")
- else(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
-   # Use -Wall for clang and gcc.
-   if(NOT CMAKE_CXX_FLAGS MATCHES "-Wall")
-@@ -77,9 +77,9 @@
-   string(REGEX REPLACE "-fexceptions" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
-   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-exceptions")
- 
--  # Disable RTTI.
--  string(REGEX REPLACE "-frtti" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
--  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti")
-+  # # Disable RTTI.
-+  # string(REGEX REPLACE "-frtti" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
-+  # set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti")
- endif(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
- 
- # BUILD_SHARED_LIBS is a standard CMake variable, but we declare it here to make

environment/toolchain/v4.sh

@@ -538,8 +538,7 @@ if [ ! -f $PREFIX/bin/clang ]; then
     make -j$CPUS
     if [[ "$for_arm" = false ]]; then
         make -j$CPUS check-clang # run clang test suite
-        # ldd is not used
-        # make -j$CPUS check-lld # run lld test suite
+        make -j$CPUS check-lld # run lld test suite
     fi
     make install
     popd && popd
@@ -675,7 +674,7 @@ PROXYGEN_SHA256=5360a8ccdfb2f5a6c7b3eed331ec7ab0e2c792d579c6fff499c85c516c11fe14
 SNAPPY_SHA256=75c1fbb3d618dd3a0483bff0e26d0a92b495bbe5059c8b4f1c962b478b6e06e7
 SNAPPY_VERSION=1.1.9
 XZ_VERSION=5.2.5 # for LZMA
-ZLIB_VERSION=1.2.12
+ZLIB_VERSION=1.2.11
 ZSTD_VERSION=1.5.0
 WANGLE_SHA256=1002e9c32b6f4837f6a760016e3b3e22f3509880ef3eaad191c80dc92655f23f
 
@@ -1030,7 +1029,7 @@ if [ ! -f $PREFIX/include/snappy.h ]; then
     fi
     tar -xzf ../archives/snappy-$SNAPPY_VERSION.tar.gz
     pushd snappy-$SNAPPY_VERSION
-    patch -p1 <  ../../snappy.patch
+    patch CMakeLists.txt ../../snappy.diff
     mkdir build
     pushd build
     cmake .. $COMMON_CMAKE_FLAGS \
@@ -1072,7 +1071,7 @@ if [ ! -d $PREFIX/include/folly ]; then
     mkdir folly-$FBLIBS_VERSION
     tar -xzf ../archives/folly-$FBLIBS_VERSION.tar.gz -C folly-$FBLIBS_VERSION
     pushd folly-$FBLIBS_VERSION
-    patch -p1 < ../../folly.patch
+    patch folly/CMakeLists.txt ../../folly.diff
     # build is used by facebook builder
     mkdir _build
     pushd _build
@@ -1131,7 +1130,7 @@ if [ ! -d $PREFIX/include/proxygen ]; then
     mkdir proxygen-$FBLIBS_VERSION
     tar -xzf ../archives/proxygen-$FBLIBS_VERSION.tar.gz -C proxygen-$FBLIBS_VERSION
     pushd proxygen-$FBLIBS_VERSION
-    patch -p1 < ../../proxygen.patch
+    patch cmake/proxygen-config.cmake.in ../../proxygen.diff
     # build is used by facebook builder
     mkdir _build
     pushd _build
@@ -1178,22 +1177,7 @@ popd
 
 # create toolchain archive
 if [ ! -f $NAME-binaries-$DISTRO.tar.gz ]; then
-    DISTRO_FULL_NAME=${DISTRO}
-    if [[ "${DISTRO}" == centos* ]]; then
-        if [[ "$for_arm" = "true" ]]; then
-            DISTRO_FULL_NAME="$DISTRO_FULL_NAME-aarch64"
-        else
-            DISTRO_FULL_NAME="$DISTRO_FULL_NAME-x86_64"
-        fi
-    else
-        if [[ "$for_arm" = "true" ]]; then
-            DISTRO_FULL_NAME="$DISTRO_FULL_NAME-arm64"
-        else
-            DISTRO_FULL_NAME="$DISTRO_FULL_NAME-amd64"
-        fi
-    fi
-
-    tar --owner=root --group=root -cpvzf $NAME-binaries-$DISTRO_FULL_NAME.tar.gz -C /opt $NAME
+    tar --owner=root --group=root -cpvzf $NAME-binaries-$DISTRO.tar.gz -C /opt $NAME
 fi
 
 # output final instructions

environment/util.sh

@@ -5,10 +5,6 @@ operating_system() {
     sort | cut -d '=' -f 2- | sed 's/"//g' | paste -s -d '-'
 }
 
-architecture() {
-    uname -m
-}
-
 check_all_yum() {
     local missing=""
     for pkg in $1; do

include/mgp.py

@@ -40,7 +40,6 @@ class InvalidContextError(Exception):
     """
     Signals using a graph element instance outside of the registered procedure.
     """
-
     pass
 
 
@@ -48,7 +47,6 @@ class UnknownError(_mgp.UnknownError):
     """
     Signals unspecified failure.
     """
-
     pass
 
 
@@ -56,7 +54,6 @@ class UnableToAllocateError(_mgp.UnableToAllocateError):
     """
     Signals failed memory allocation.
     """
-
     pass
 
 
@@ -64,7 +61,6 @@ class InsufficientBufferError(_mgp.InsufficientBufferError):
     """
     Signals that some buffer is not big enough.
     """
-
     pass
 
 
@@ -73,7 +69,6 @@ class OutOfRangeError(_mgp.OutOfRangeError):
     Signals that an index-like parameter has a value that is outside its
     possible values.
     """
-
     pass
 
 
@@ -82,7 +77,6 @@ class LogicErrorError(_mgp.LogicErrorError):
     Signals faulty logic within the program such as violating logical
     preconditions or class invariants and may be preventable.
     """
-
     pass
 
 
@@ -90,7 +84,6 @@ class DeletedObjectError(_mgp.DeletedObjectError):
     """
     Signals accessing an already deleted object.
     """
-
     pass
 
 
@@ -98,7 +91,6 @@ class InvalidArgumentError(_mgp.InvalidArgumentError):
     """
     Signals that some of the arguments have invalid values.
     """
-
     pass
 
 
@@ -106,7 +98,6 @@ class KeyAlreadyExistsError(_mgp.KeyAlreadyExistsError):
     """
     Signals that a key already exists in a container-like object.
     """
-
     pass
 
 
@@ -114,7 +105,6 @@ class ImmutableObjectError(_mgp.ImmutableObjectError):
     """
     Signals modification of an immutable object.
     """
-
     pass
 
 
@@ -122,7 +112,6 @@ class ValueConversionError(_mgp.ValueConversionError):
     """
     Signals that the conversion failed between python and cypher values.
     """
-
     pass
 
 
@@ -131,14 +120,12 @@ class SerializationError(_mgp.SerializationError):
     Signals serialization error caused by concurrent modifications from
     different transactions.
     """
-
     pass
 
 
 class Label:
     """Label of a Vertex."""
-
-    __slots__ = ("_name",)
+    __slots__ = ('_name',)
 
     def __init__(self, name: str):
         self._name = name
@@ -158,22 +145,19 @@ class Label:
 # Named property value of a Vertex or an Edge.
 # It would be better to use typing.NamedTuple with typed fields, but that is
 # not available in Python 3.5.
-Property = namedtuple("Property", ("name", "value"))
+Property = namedtuple('Property', ('name', 'value'))
 
 
 class Properties:
     """
     A collection of properties either on a Vertex or an Edge.
     """
-
-    __slots__ = (
-        "_vertex_or_edge",
-        "_len",
-    )
+    __slots__ = ('_vertex_or_edge', '_len',)
 
     def __init__(self, vertex_or_edge):
         if not isinstance(vertex_or_edge, (_mgp.Vertex, _mgp.Edge)):
-            raise TypeError("Expected '_mgp.Vertex' or '_mgp.Edge', got {}".format(type(vertex_or_edge)))
+            raise TypeError("Expected '_mgp.Vertex' or '_mgp.Edge', \
+                            got {}".format(type(vertex_or_edge)))
         self._len = None
         self._vertex_or_edge = vertex_or_edge
 
@@ -346,8 +330,7 @@ class Properties:
 
 class EdgeType:
     """Type of an Edge."""
-
-    __slots__ = ("_name",)
+    __slots__ = ('_name',)
 
     def __init__(self, name):
         self._name = name
@@ -365,7 +348,7 @@ class EdgeType:
 
 
 if sys.version_info >= (3, 5, 2):
-    EdgeId = typing.NewType("EdgeId", int)
+    EdgeId = typing.NewType('EdgeId', int)
 else:
     EdgeId = int
 
@@ -377,12 +360,12 @@ class Edge:
     a query. You should not globally store an instance of an Edge. Using an
     invalid Edge instance will raise InvalidContextError.
     """
-
-    __slots__ = ("_edge",)
+    __slots__ = ('_edge',)
 
     def __init__(self, edge):
         if not isinstance(edge, _mgp.Edge):
-            raise TypeError("Expected '_mgp.Edge', got '{}'".format(type(edge)))
+            raise TypeError(
+                "Expected '_mgp.Edge', got '{}'".format(type(edge)))
         self._edge = edge
 
     def __deepcopy__(self, memo):
@@ -425,7 +408,7 @@ class Edge:
         return EdgeType(self._edge.get_type_name())
 
     @property
-    def from_vertex(self) -> "Vertex":
+    def from_vertex(self) -> 'Vertex':
         """
         Get the source vertex.
 
@@ -436,7 +419,7 @@ class Edge:
         return Vertex(self._edge.from_vertex())
 
     @property
-    def to_vertex(self) -> "Vertex":
+    def to_vertex(self) -> 'Vertex':
         """
         Get the destination vertex.
 
@@ -470,7 +453,7 @@ class Edge:
 
 
 if sys.version_info >= (3, 5, 2):
-    VertexId = typing.NewType("VertexId", int)
+    VertexId = typing.NewType('VertexId', int)
 else:
     VertexId = int
 
@@ -482,12 +465,12 @@ class Vertex:
     in a query. You should not globally store an instance of a Vertex. Using an
     invalid Vertex instance will raise InvalidContextError.
     """
-
-    __slots__ = ("_vertex",)
+    __slots__ = ('_vertex',)
 
     def __init__(self, vertex):
         if not isinstance(vertex, _mgp.Vertex):
-            raise TypeError("Expected '_mgp.Vertex', got '{}'".format(type(vertex)))
+            raise TypeError(
+                "Expected '_mgp.Vertex', got '{}'".format(type(vertex)))
         self._vertex = vertex
 
     def __deepcopy__(self, memo):
@@ -530,7 +513,8 @@ class Vertex:
         """
         if not self.is_valid():
             raise InvalidContextError()
-        return tuple(Label(self._vertex.label_at(i)) for i in range(self._vertex.labels_count()))
+        return tuple(Label(self._vertex.label_at(i))
+                     for i in range(self._vertex.labels_count()))
 
     def add_label(self, label: str) -> None:
         """
@@ -631,8 +615,7 @@ class Vertex:
 
 class Path:
     """Path containing Vertex and Edge instances."""
-
-    __slots__ = ("_path", "_vertices", "_edges")
+    __slots__ = ('_path', '_vertices', '_edges')
 
     def __init__(self, starting_vertex_or_path: typing.Union[_mgp.Path, Vertex]):
         """Initialize with a starting Vertex.
@@ -653,7 +636,8 @@ class Path:
                 raise InvalidContextError()
             self._path = _mgp.Path.make_with_start(vertex)
         else:
-            raise TypeError("Expected '_mgp.Vertex' or '_mgp.Path', got '{}'".format(type(starting_vertex_or_path)))
+            raise TypeError("Expected '_mgp.Vertex' or '_mgp.Path', got '{}'"
+                            .format(type(starting_vertex_or_path)))
 
     def __copy__(self):
         if not self.is_valid():
@@ -694,7 +678,8 @@ class Path:
         extension.
         """
         if not isinstance(edge, Edge):
-            raise TypeError("Expected '_mgp.Edge', got '{}'".format(type(edge)))
+            raise TypeError(
+                "Expected '_mgp.Edge', got '{}'".format(type(edge)))
         if not self.is_valid() or not edge.is_valid():
             raise InvalidContextError()
         self._path.expand(edge._edge)
@@ -713,7 +698,8 @@ class Path:
             raise InvalidContextError()
         if self._vertices is None:
             num_vertices = self._path.size() + 1
-            self._vertices = tuple(Vertex(self._path.vertex_at(i)) for i in range(num_vertices))
+            self._vertices = tuple(Vertex(self._path.vertex_at(i))
+                                   for i in range(num_vertices))
         return self._vertices
 
     @property
@@ -727,14 +713,14 @@ class Path:
             raise InvalidContextError()
         if self._edges is None:
             num_edges = self._path.size()
-            self._edges = tuple(Edge(self._path.edge_at(i)) for i in range(num_edges))
+            self._edges = tuple(Edge(self._path.edge_at(i))
+                                for i in range(num_edges))
         return self._edges
 
 
 class Record:
     """Represents a record of resulting field values."""
-
-    __slots__ = ("fields",)
+    __slots__ = ('fields',)
 
     def __init__(self, **kwargs):
         """Initialize with name=value fields in kwargs."""
@@ -743,12 +729,12 @@ class Record:
 
 class Vertices:
     """Iterable over vertices in a graph."""
-
-    __slots__ = ("_graph", "_len")
+    __slots__ = ('_graph', '_len')
 
     def __init__(self, graph):
         if not isinstance(graph, _mgp.Graph):
-            raise TypeError("Expected '_mgp.Graph', got '{}'".format(type(graph)))
+            raise TypeError(
+                "Expected '_mgp.Graph', got '{}'".format(type(graph)))
         self._graph = graph
         self._len = None
 
@@ -805,12 +791,12 @@ class Vertices:
 
 class Graph:
     """State of the graph database in current ProcCtx."""
-
-    __slots__ = ("_graph",)
+    __slots__ = ('_graph',)
 
     def __init__(self, graph):
         if not isinstance(graph, _mgp.Graph):
-            raise TypeError("Expected '_mgp.Graph', got '{}'".format(type(graph)))
+            raise TypeError(
+                "Expected '_mgp.Graph', got '{}'".format(type(graph)))
         self._graph = graph
 
     def __deepcopy__(self, memo):
@@ -899,7 +885,8 @@ class Graph:
             raise InvalidContextError()
         self._graph.detach_delete_vertex(vertex._vertex)
 
-    def create_edge(self, from_vertex: Vertex, to_vertex: Vertex, edge_type: EdgeType) -> None:
+    def create_edge(self, from_vertex: Vertex, to_vertex: Vertex,
+                    edge_type: EdgeType) -> None:
         """
         Create an edge.
 
@@ -912,7 +899,8 @@ class Graph:
         """
         if not self.is_valid():
             raise InvalidContextError()
-        return Edge(self._graph.create_edge(from_vertex._vertex, to_vertex._vertex, edge_type.name))
+        return Edge(self._graph.create_edge(from_vertex._vertex,
+                                            to_vertex._vertex, edge_type.name))
 
     def delete_edge(self, edge: Edge) -> None:
         """
@@ -930,7 +918,6 @@ class Graph:
 
 class AbortError(Exception):
     """Signals that the procedure was asked to abort its execution."""
-
     pass
 
 
@@ -940,12 +927,12 @@ class ProcCtx:
     Access to a ProcCtx is only valid during a single execution of a procedure
     in a query. You should not globally store a ProcCtx instance.
     """
-
-    __slots__ = ("_graph",)
+    __slots__ = ('_graph',)
 
     def __init__(self, graph):
         if not isinstance(graph, _mgp.Graph):
-            raise TypeError("Expected '_mgp.Graph', got '{}'".format(type(graph)))
+            raise TypeError(
+                "Expected '_mgp.Graph', got '{}'".format(type(graph)))
         self._graph = Graph(graph)
 
     def is_valid(self) -> bool:
@@ -982,7 +969,8 @@ LocalDateTime = datetime.datetime
 
 Duration = datetime.timedelta
 
-Any = typing.Union[bool, str, Number, Map, Path, list, Date, LocalTime, LocalDateTime, Duration]
+Any = typing.Union[bool, str, Number, Map, Path,
+                   list, Date, LocalTime, LocalDateTime, Duration]
 
 List = typing.List
 
@@ -1015,7 +1003,7 @@ def _typing_to_cypher_type(type_):
         Date: _mgp.type_date(),
         LocalTime: _mgp.type_local_time(),
         LocalDateTime: _mgp.type_local_date_time(),
-        Duration: _mgp.type_duration(),
+        Duration: _mgp.type_duration()
     }
     try:
         return simple_types[type_]
@@ -1033,14 +1021,14 @@ def _typing_to_cypher_type(type_):
             if type(None) in type_args:
                 types = tuple(t for t in type_args if t is not type(None))  # noqa E721
                 if len(types) == 1:
-                    (type_arg,) = types
+                    type_arg, = types
                 else:
                     # We cannot do typing.Union[*types], so do the equivalent
                     # with __getitem__ which does not even need arg unpacking.
                     type_arg = typing.Union.__getitem__(types)
                 return _mgp.type_nullable(_typing_to_cypher_type(type_arg))
         elif complex_type == list:
-            (type_arg,) = type_args
+            type_arg, = type_args
             return _mgp.type_list(_typing_to_cypher_type(type_arg))
         raise UnsupportedTypingError(type_)
     else:
@@ -1050,17 +1038,13 @@ def _typing_to_cypher_type(type_):
         # printed the same way. `typing.List[type]` is printed as such, while
         # `typing.Optional[type]` is printed as 'typing.Union[type, NoneType]'
         def parse_type_args(type_as_str):
-            return tuple(
-                map(
-                    str.strip,
-                    type_as_str[type_as_str.index("[") + 1 : -1].split(","),
-                )
-            )
+            return tuple(map(str.strip,
+                             type_as_str[type_as_str.index('[') + 1: -1].split(',')))
 
         def fully_qualified_name(cls):
-            if cls.__module__ is None or cls.__module__ == "builtins":
+            if cls.__module__ is None or cls.__module__ == 'builtins':
                 return cls.__name__
-            return cls.__module__ + "." + cls.__name__
+            return cls.__module__ + '.' + cls.__name__
 
         def get_simple_type(type_as_str):
             for simple_type, cypher_type in simple_types.items():
@@ -1076,26 +1060,28 @@ def _typing_to_cypher_type(type_):
                     pass
 
         def parse_typing(type_as_str):
-            if type_as_str.startswith("typing.Union"):
+            if type_as_str.startswith('typing.Union'):
                 type_args_as_str = parse_type_args(type_as_str)
                 none_type_as_str = type(None).__name__
                 if none_type_as_str in type_args_as_str:
-                    types = tuple(t for t in type_args_as_str if t != none_type_as_str)
+                    types = tuple(
+                        t for t in type_args_as_str if t != none_type_as_str)
                     if len(types) == 1:
-                        (type_arg_as_str,) = types
+                        type_arg_as_str, = types
                     else:
-                        type_arg_as_str = "typing.Union[" + ", ".join(types) + "]"
+                        type_arg_as_str = 'typing.Union[' + \
+                            ', '.join(types) + ']'
                     simple_type = get_simple_type(type_arg_as_str)
                     if simple_type is not None:
                         return _mgp.type_nullable(simple_type)
                     return _mgp.type_nullable(parse_typing(type_arg_as_str))
-            elif type_as_str.startswith("typing.List"):
+            elif type_as_str.startswith('typing.List'):
                 type_arg_as_str = parse_type_args(type_as_str)
 
                 if len(type_arg_as_str) > 1:
                     # Nested object could be a type consisting of a list of types (e.g. mgp.Map)
                     # so we need to join the parts.
-                    type_arg_as_str = ", ".join(type_arg_as_str)
+                    type_arg_as_str = ', '.join(type_arg_as_str)
                 else:
                     type_arg_as_str = type_arg_as_str[0]
 
@@ -1110,11 +1096,9 @@ def _typing_to_cypher_type(type_):
 
 # Procedure registration
 
-
 class Deprecated:
     """Annotate a resulting Record's field as deprecated."""
-
-    __slots__ = ("field_type",)
+    __slots__ = ('field_type',)
 
     def __init__(self, type_):
         self.field_type = type_
@@ -1122,7 +1106,8 @@ class Deprecated:
 
 def raise_if_does_not_meet_requirements(func: typing.Callable[..., Record]):
     if not callable(func):
-        raise TypeError("Expected a callable object, got an instance of '{}'".format(type(func)))
+        raise TypeError("Expected a callable object, got an instance of '{}'"
+                        .format(type(func)))
     if inspect.iscoroutinefunction(func):
         raise TypeError("Callable must not be 'async def' function")
     if sys.version_info >= (3, 6):
@@ -1132,25 +1117,24 @@ def raise_if_does_not_meet_requirements(func: typing.Callable[..., Record]):
         raise NotImplementedError("Generator functions are not supported")
 
 
-def _register_proc(func: typing.Callable[..., Record], is_write: bool):
+def _register_proc(func: typing.Callable[..., Record],
+                   is_write: bool):
     raise_if_does_not_meet_requirements(func)
-    register_func = _mgp.Module.add_write_procedure if is_write else _mgp.Module.add_read_procedure
+    register_func = (
+        _mgp.Module.add_write_procedure if is_write
+        else _mgp.Module.add_read_procedure)
     sig = inspect.signature(func)
     params = tuple(sig.parameters.values())
     if params and params[0].annotation is ProcCtx:
-
         @wraps(func)
         def wrapper(graph, args):
             return func(ProcCtx(graph), *args)
-
         params = params[1:]
         mgp_proc = register_func(_mgp._MODULE, wrapper)
     else:
-
         @wraps(func)
         def wrapper(graph, args):
             return func(*args)
-
         mgp_proc = register_func(_mgp._MODULE, wrapper)
     for param in params:
         name = param.name
@@ -1165,7 +1149,8 @@ def _register_proc(func: typing.Callable[..., Record], is_write: bool):
     if sig.return_annotation is not sig.empty:
         record = sig.return_annotation
         if not isinstance(record, Record):
-            raise TypeError("Expected '{}' to return 'mgp.Record', got '{}'".format(func.__name__, type(record)))
+            raise TypeError("Expected '{}' to return 'mgp.Record', got '{}'"
+                            .format(func.__name__, type(record)))
         for name, type_ in record.fields.items():
             if isinstance(type_, Deprecated):
                 cypher_type = _typing_to_cypher_type(type_.field_type)
@@ -1179,15 +1164,16 @@ def read_proc(func: typing.Callable[..., Record]):
     """
     Register `func` as a read-only procedure of the current module.
 
-    The decorator `read_proc` is meant to be used to register module procedures.
-    The registered `func` needs to be a callable which optionally takes
-    `ProcCtx` as its first argument. Other arguments of `func` will be bound to
-    values passed in the cypherQuery. The full signature of `func` needs to be
-    annotated with types. The return type must be `Record(field_name=type, ...)`
-    and the procedure must produce either a complete Record or None. To mark a
-    field as deprecated, use `Record(field_name=Deprecated(type), ...)`.
-    Multiple records can be produced by returning an iterable of them.
-    Registering generator functions is currently not supported.
+    `read_proc` is meant to be used as a decorator function to register module
+    procedures. The registered `func` needs to be a callable which optionally
+    takes `ProcCtx` as the first argument. Other arguments of `func` will be
+    bound to values passed in the cypherQuery. The full signature of `func`
+    needs to be annotated with types. The return type must be
+    `Record(field_name=type, ...)` and the procedure must produce either a
+    complete Record or None. To mark a field as deprecated, use
+    `Record(field_name=Deprecated(type), ...)`. Multiple records can be
+    produced by returning an iterable of them. Registering generator functions
+    is currently not supported.
 
     Example usage.
 
@@ -1221,16 +1207,16 @@ def write_proc(func: typing.Callable[..., Record]):
     """
     Register `func` as a writeable procedure of the current module.
 
-    The decorator `write_proc` is meant to be used to register module
+    `write_proc` is meant to be used as a decorator function to register module
     procedures. The registered `func` needs to be a callable which optionally
     takes `ProcCtx` as the first argument. Other arguments of `func` will be
     bound to values passed in the cypherQuery. The full signature of `func`
     needs to be annotated with types. The return type must be
     `Record(field_name=type, ...)` and the procedure must produce either a
     complete Record or None. To mark a field as deprecated, use
-    `Record(field_name=Deprecated(type), ...)`. Multiple records can be produced
-    by returning an iterable of them. Registering generator functions is
-    currently not supported.
+    `Record(field_name=Deprecated(type), ...)`. Multiple records can be
+    produced by returning an iterable of them. Registering generator functions
+    is currently not supported.
 
     Example usage.
 
@@ -1271,22 +1257,20 @@ class InvalidMessageError(Exception):
     """
     Signals using a message instance outside of the registered transformation.
     """
-
     pass
 
 
 SOURCE_TYPE_KAFKA = _mgp.SOURCE_TYPE_KAFKA
 SOURCE_TYPE_PULSAR = _mgp.SOURCE_TYPE_PULSAR
 
-
 class Message:
     """Represents a message from a stream."""
-
-    __slots__ = ("_message",)
+    __slots__ = ('_message',)
 
     def __init__(self, message):
         if not isinstance(message, _mgp.Message):
-            raise TypeError("Expected '_mgp.Message', got '{}'".format(type(message)))
+            raise TypeError(
+                "Expected '_mgp.Message', got '{}'".format(type(message)))
         self._message = message
 
     def __deepcopy__(self, memo):
@@ -1369,18 +1353,17 @@ class Message:
 
 class InvalidMessagesError(Exception):
     """Signals using a messages instance outside of the registered transformation."""
-
     pass
 
 
 class Messages:
     """Represents a list of messages from a stream."""
-
-    __slots__ = ("_messages",)
+    __slots__ = ('_messages',)
 
     def __init__(self, messages):
         if not isinstance(messages, _mgp.Messages):
-            raise TypeError("Expected '_mgp.Messages', got '{}'".format(type(messages)))
+            raise TypeError(
+                "Expected '_mgp.Messages', got '{}'".format(type(messages)))
         self._messages = messages
 
     def __deepcopy__(self, memo):
@@ -1412,12 +1395,12 @@ class TransCtx:
     Access to a TransCtx is only valid during a single execution of a transformation.
     You should not globally store a TransCtx instance.
     """
-
-    __slots__ = "_graph"
+    __slots__ = ('_graph')
 
     def __init__(self, graph):
         if not isinstance(graph, _mgp.Graph):
-            raise TypeError("Expected '_mgp.Graph', got '{}'".format(type(graph)))
+            raise TypeError(
+                "Expected '_mgp.Graph', got '{}'".format(type(graph)))
         self._graph = Graph(graph)
 
     def is_valid(self) -> bool:
@@ -1437,116 +1420,21 @@ def transformation(func: typing.Callable[..., Record]):
     params = tuple(sig.parameters.values())
     if not params or not params[0].annotation is Messages:
         if not len(params) == 2 or not params[1].annotation is Messages:
-            raise NotImplementedError("Valid signatures for transformations are (TransCtx, Messages) or (Messages)")
+            raise NotImplementedError(
+                "Valid signatures for transformations are (TransCtx, Messages) or (Messages)")
     if params[0].annotation is TransCtx:
-
         @wraps(func)
         def wrapper(graph, messages):
             return func(TransCtx(graph), messages)
-
         _mgp._MODULE.add_transformation(wrapper)
     else:
-
         @wraps(func)
         def wrapper(graph, messages):
             return func(messages)
-
         _mgp._MODULE.add_transformation(wrapper)
     return func
 
 
-class FuncCtx:
-    """Context of a function being executed.
-
-    Access to a FuncCtx is only valid during a single execution of a function in
-    a query. You should not globally store a FuncCtx instance. The graph object
-    within the FuncCtx is not mutable.
-    """
-
-    __slots__ = "_graph"
-
-    def __init__(self, graph):
-        if not isinstance(graph, _mgp.Graph):
-            raise TypeError("Expected '_mgp.Graph', got '{}'".format(type(graph)))
-        self._graph = Graph(graph)
-
-    def is_valid(self) -> bool:
-        return self._graph.is_valid()
-
-
-def function(func: typing.Callable):
-    """
-    Register `func` as a user-defined function in the current module.
-
-    The decorator `function` is meant to be used to register module functions.
-    The registered `func` needs to be a callable which optionally takes
-    `FuncCtx` as its first argument. Other arguments of `func` will be bound to
-    values passed in the Cypher query. Only the funcion arguments need to be
-    annotated with types. The return type doesn't need to be specified, but it
-    has to be supported by `mgp.Any`. Registering generator functions is
-    currently not supported.
-
-    Example usage.
-
-    ```
-    import mgp
-    @mgp.function
-    def func_example(context: mgp.FuncCtx,
-        required_arg: str,
-        optional_arg: mgp.Nullable[str] = None
-        ):
-        return_args = [required_arg]
-        if optional_arg is not None:
-            return_args.append(optional_arg)
-        # Return any kind of result supported by mgp.Any
-        return return_args
-    ```
-
-    The example function above returns a list of provided arguments:
-      * `required_arg` is always present and its value is the first argument of
-        the function.
-      * `optional_arg` is present if the second argument of the function is not
-        `null`.
-    Any errors can be reported by raising an Exception.
-
-    The function can be invoked in Cypher using the following calls:
-      RETURN example.func_example("first argument", "second_argument");
-      RETURN example.func_example("first argument");
-    Naturally, you may pass in different arguments.
-    """
-    raise_if_does_not_meet_requirements(func)
-    register_func = _mgp.Module.add_function
-    sig = inspect.signature(func)
-    params = tuple(sig.parameters.values())
-    if params and params[0].annotation is FuncCtx:
-
-        @wraps(func)
-        def wrapper(graph, args):
-            return func(FuncCtx(graph), *args)
-
-        params = params[1:]
-        mgp_func = register_func(_mgp._MODULE, wrapper)
-    else:
-
-        @wraps(func)
-        def wrapper(graph, args):
-            return func(*args)
-
-        mgp_func = register_func(_mgp._MODULE, wrapper)
-
-    for param in params:
-        name = param.name
-        type_ = param.annotation
-        if type_ is param.empty:
-            type_ = object
-        cypher_type = _typing_to_cypher_type(type_)
-        if param.default is param.empty:
-            mgp_func.add_arg(name, cypher_type)
-        else:
-            mgp_func.add_opt_arg(name, cypher_type, param.default)
-    return func
-
-
 def _wrap_exceptions():
     def wrap_function(func):
         @wraps(func)
@@ -1575,7 +1463,6 @@ def _wrap_exceptions():
                 raise ValueConversionError(e)
             except _mgp.SerializationError as e:
                 raise SerializationError(e)
-
         return wrapped_func
 
     def wrap_prop_func(func):
@@ -1586,16 +1473,11 @@ def _wrap_exceptions():
             if inspect.isfunction(obj):
                 setattr(cls, name, wrap_function(obj))
             elif isinstance(obj, property):
-                setattr(
-                    cls,
-                    name,
-                    property(
-                        wrap_prop_func(obj.fget),
-                        wrap_prop_func(obj.fset),
-                        wrap_prop_func(obj.fdel),
-                        obj.__doc__,
-                    ),
-                )
+                setattr(cls, name, property(
+                    wrap_prop_func(obj.fget),
+                    wrap_prop_func(obj.fset),
+                    wrap_prop_func(obj.fdel),
+                    obj.__doc__))
 
     def defined_in_this_module(obj: object):
         return getattr(obj, "__module__", "") == __name__

init

@@ -24,7 +24,7 @@ function setup_virtualenv () {
     fi
 
     # create new virtualenv
-    python3 -m virtualenv -p python3 ve3 || exit 1
+    virtualenv -p python3 ve3 || exit 1
     source ve3/bin/activate
     pip --timeout 1000 install -r requirements.txt || exit 1
     deactivate
@@ -65,14 +65,8 @@ else
 fi
 
 DISTRO=$(operating_system)
-ARCHITECTURE=$(architecture)
-if [ "${ARCHITECTURE}" = "arm64" ] || [ "${ARCHITECTURE}" = "aarch64" ]; then
-  OS_SCRIPT=$DIR/environment/os/$DISTRO-arm.sh
-else
-  OS_SCRIPT=$DIR/environment/os/$DISTRO.sh
-fi
-echo "ALL BUILD PACKAGES: $($OS_SCRIPT list MEMGRAPH_BUILD_DEPS)"
-$OS_SCRIPT check MEMGRAPH_BUILD_DEPS
+echo "ALL BUILD PACKAGES: $($DIR/environment/os/$DISTRO.sh list MEMGRAPH_BUILD_DEPS)"
+$DIR/environment/os/$DISTRO.sh check MEMGRAPH_BUILD_DEPS
 echo "All packages are in-place..."
 
 # create a default build directory
@@ -135,7 +129,3 @@ for hook in $(find $DIR/.githooks -type f -printf "%f\n"); do
   ln -s -f "$DIR/.githooks/$hook" "$DIR/.git/hooks/$hook"
   echo "Added $hook hook"
 done;
-
-# Install precommit hook
-python3 -m pip install pre-commit
-python3 -m pre_commit install

libs/.gitignore

@@ -4,4 +4,5 @@
 !cleanup.sh
 !CMakeLists.txt
 !__main.cpp
+!jemalloc.cmake
 !pulsar.patch

libs/jemalloc.cmake

@@ -0,0 +1,55 @@
+set(JEMALLOC_DIR "${LIB_DIR}/jemalloc")
+
+set(JEMALLOC_SRCS
+    ${JEMALLOC_DIR}/src/arena.c
+    ${JEMALLOC_DIR}/src/background_thread.c
+    ${JEMALLOC_DIR}/src/base.c
+    ${JEMALLOC_DIR}/src/bin.c
+    ${JEMALLOC_DIR}/src/bitmap.c
+    ${JEMALLOC_DIR}/src/ckh.c
+    ${JEMALLOC_DIR}/src/ctl.c
+    ${JEMALLOC_DIR}/src/div.c
+    ${JEMALLOC_DIR}/src/extent.c
+    ${JEMALLOC_DIR}/src/extent_dss.c
+    ${JEMALLOC_DIR}/src/extent_mmap.c
+    ${JEMALLOC_DIR}/src/hash.c
+    ${JEMALLOC_DIR}/src/hook.c
+    ${JEMALLOC_DIR}/src/jemalloc.c
+    ${JEMALLOC_DIR}/src/large.c
+    ${JEMALLOC_DIR}/src/log.c
+    ${JEMALLOC_DIR}/src/malloc_io.c
+    ${JEMALLOC_DIR}/src/mutex.c
+    ${JEMALLOC_DIR}/src/mutex_pool.c
+    ${JEMALLOC_DIR}/src/nstime.c
+    ${JEMALLOC_DIR}/src/pages.c
+    ${JEMALLOC_DIR}/src/prng.c
+    ${JEMALLOC_DIR}/src/prof.c
+    ${JEMALLOC_DIR}/src/rtree.c
+    ${JEMALLOC_DIR}/src/sc.c
+    ${JEMALLOC_DIR}/src/stats.c
+    ${JEMALLOC_DIR}/src/sz.c
+    ${JEMALLOC_DIR}/src/tcache.c
+    ${JEMALLOC_DIR}/src/test_hooks.c
+    ${JEMALLOC_DIR}/src/ticker.c
+    ${JEMALLOC_DIR}/src/tsd.c
+    ${JEMALLOC_DIR}/src/witness.c
+    ${JEMALLOC_DIR}/src/safety_check.c
+)
+
+add_library(jemalloc ${JEMALLOC_SRCS})
+target_include_directories(jemalloc PUBLIC "${JEMALLOC_DIR}/include")
+
+find_package(Threads REQUIRED)
+target_link_libraries(jemalloc PUBLIC Threads::Threads)
+
+target_compile_definitions(jemalloc PRIVATE -DJEMALLOC_NO_PRIVATE_NAMESPACE)
+
+if (CMAKE_BUILD_TYPE STREQUAL "DEBUG")
+    target_compile_definitions(jemalloc PRIVATE -DJEMALLOC_DEBUG=1 -DJEMALLOC_PROF=1)
+endif()
+
+target_compile_options(jemalloc PRIVATE -Wno-redundant-decls)
+# for RTLD_NEXT
+target_compile_definitions(jemalloc PRIVATE _GNU_SOURCE)
+
+set_property(TARGET jemalloc APPEND PROPERTY INTERFACE_COMPILE_DEFINITIONS USE_JEMALLOC=1)

libs/setup.sh

@@ -107,19 +107,25 @@ declare -A primary_urls=(
   ["antlr4-code"]="http://$local_cache_host/git/antlr4.git"
   ["antlr4-generator"]="http://$local_cache_host/file/antlr-4.9.2-complete.jar"
   ["cppitertools"]="http://$local_cache_host/git/cppitertools.git"
+  ["fmt"]="http://$local_cache_host/git/fmt.git"
   ["rapidcheck"]="http://$local_cache_host/git/rapidcheck.git"
   ["gbenchmark"]="http://$local_cache_host/git/benchmark.git"
   ["gtest"]="http://$local_cache_host/git/googletest.git"
+  ["gflags"]="http://$local_cache_host/git/gflags.git"
   ["libbcrypt"]="http://$local_cache_host/git/libbcrypt.git"
+  ["bzip2"]="http://$local_cache_host/git/bzip2.git"
+  ["zlib"]="http://$local_cache_host/git/zlib.git"
   ["rocksdb"]="http://$local_cache_host/git/rocksdb.git"
   ["mgclient"]="http://$local_cache_host/git/mgclient.git"
   ["pymgclient"]="http://$local_cache_host/git/pymgclient.git"
   ["mgconsole"]="http://$local_cache_host/git/mgconsole.git"
   ["spdlog"]="http://$local_cache_host/git/spdlog"
+  ["jemalloc"]="http://$local_cache_host/git/jemalloc.git"
   ["nlohmann"]="http://$local_cache_host/file/nlohmann/json/4f8fba14066156b73f1189a2b8bd568bde5284c5/single_include/nlohmann/json.hpp"
   ["neo4j"]="http://$local_cache_host/file/neo4j-community-3.2.3-unix.tar.gz"
   ["librdkafka"]="http://$local_cache_host/git/librdkafka.git"
   ["protobuf"]="http://$local_cache_host/git/protobuf.git"
+  ["boost"]="http://$local_cache_host/file/boost_1_77_0.tar.gz"
   ["pulsar"]="http://$local_cache_host/git/pulsar.git"
   ["librdtsc"]="http://$local_cache_host/git/librdtsc.git"
 )
@@ -132,19 +138,25 @@ declare -A secondary_urls=(
   ["antlr4-code"]="https://github.com/antlr/antlr4.git"
   ["antlr4-generator"]="http://www.antlr.org/download/antlr-4.9.2-complete.jar"
   ["cppitertools"]="https://github.com/ryanhaining/cppitertools.git"
+  ["fmt"]="https://github.com/fmtlib/fmt.git"
   ["rapidcheck"]="https://github.com/emil-e/rapidcheck.git"
   ["gbenchmark"]="https://github.com/google/benchmark.git"
   ["gtest"]="https://github.com/google/googletest.git"
+  ["gflags"]="https://github.com/memgraph/gflags.git"
   ["libbcrypt"]="https://github.com/rg3/libbcrypt"
+  ["bzip2"]="https://github.com/VFR-maniac/bzip2"
+  ["zlib"]="https://github.com/madler/zlib.git"
   ["rocksdb"]="https://github.com/facebook/rocksdb.git"
   ["mgclient"]="https://github.com/memgraph/mgclient.git"
   ["pymgclient"]="https://github.com/memgraph/pymgclient.git"
   ["mgconsole"]="http://github.com/memgraph/mgconsole.git"
   ["spdlog"]="https://github.com/gabime/spdlog"
+  ["jemalloc"]="https://github.com/jemalloc/jemalloc.git"
   ["nlohmann"]="https://raw.githubusercontent.com/nlohmann/json/4f8fba14066156b73f1189a2b8bd568bde5284c5/single_include/nlohmann/json.hpp"
   ["neo4j"]="https://s3-eu-west-1.amazonaws.com/deps.memgraph.io/neo4j-community-3.2.3-unix.tar.gz"
   ["librdkafka"]="https://github.com/edenhill/librdkafka.git"
   ["protobuf"]="https://github.com/protocolbuffers/protobuf.git"
+  ["boost"]="https://boostorg.jfrog.io/artifactory/main/release/1.77.0/source/boost_1_77_0.tar.gz"
   ["pulsar"]="https://github.com/apache/pulsar.git"
   ["librdtsc"]="https://github.com/gabrieleara/librdtsc.git"
 )
@@ -199,8 +211,8 @@ git apply ../rocksdb.patch
 popd
 
 # mgclient
-mgclient_tag="96e95c6845463cbe88948392be58d26da0d5ffd3" # (2022-02-08)
-repo_clone_try_double "${primary_urls[mgclient]}" "${secondary_urls[mgclient]}" "mgclient" "$mgclient_tag"
+mgclient_tag="v1.3.0" # (2021-09-23)
+repo_clone_try_double "${primary_urls[mgclient]}" "${secondary_urls[mgclient]}" "mgclient" "$mgclient_tag" true
 sed -i 's/\${CMAKE_INSTALL_LIBDIR}/lib/' mgclient/src/CMakeLists.txt
 
 # pymgclient

licenses/BSL.txt

@@ -36,7 +36,7 @@ ADDITIONAL USE GRANT:   You may use the Licensed Work in accordance with the
                         3. using the Licensed Work to create a work or solution
                         which competes (or might reasonably be expected to
                         compete) with the Licensed Work.
-CHANGE DATE:            2026-27-04
+CHANGE DATE:            2025-12-08
 CHANGE LICENSE:         Apache License, Version 2.0
 
 For information about alternative licensing arrangements, please visit: https://memgraph.com/legal.

query_modules/example.py

@@ -7,11 +7,13 @@ import copy
 
 
 @mgp.read_proc
-def procedure(
-    context: mgp.ProcCtx,
-    required_arg: mgp.Nullable[mgp.Any],
-    optional_arg: mgp.Nullable[mgp.Any] = None,
-) -> mgp.Record(args=list, vertex_count=int, avg_degree=mgp.Number, props=mgp.Nullable[mgp.Map]):
+def procedure(context: mgp.ProcCtx,
+              required_arg: mgp.Nullable[mgp.Any],
+              optional_arg: mgp.Nullable[mgp.Any] = None
+              ) -> mgp.Record(args=list,
+                              vertex_count=int,
+                              avg_degree=mgp.Number,
+                              props=mgp.Nullable[mgp.Map]):
     """
     This example procedure returns 4 fields.
 
@@ -35,7 +37,7 @@ def procedure(
     if isinstance(required_arg, (mgp.Edge, mgp.Vertex)):
         props = dict(required_arg.properties.items())
     elif isinstance(required_arg, mgp.Path):
-        (start_vertex,) = required_arg.vertices
+        start_vertex, = required_arg.vertices
         props = dict(start_vertex.properties.items())
     # Count the vertices and edges in the database; this may take a while.
     vertex_count = 0
@@ -49,13 +51,15 @@ def procedure(
     # Copy the received arguments to make it equivalent to the C example.
     args_copy = [copy.deepcopy(required_arg), copy.deepcopy(optional_arg)]
     # Multiple rows can be produced by returning an iterable of mgp.Record.
-    return mgp.Record(args=args_copy, vertex_count=vertex_count, avg_degree=avg_degree, props=props)
+    return mgp.Record(args=args_copy, vertex_count=vertex_count,
+                      avg_degree=avg_degree, props=props)
 
 
 @mgp.write_proc
-def write_procedure(
-    context: mgp.ProcCtx, property_name: str, property_value: mgp.Nullable[mgp.Any]
-) -> mgp.Record(created_vertex=mgp.Vertex):
+def write_procedure(context: mgp.ProcCtx,
+                    property_name: str,
+                    property_value: mgp.Nullable[mgp.Any]
+                    ) -> mgp.Record(created_vertex=mgp.Vertex):
     """
     This example procedure creates a new vertex with the specified property
     and connects it to all existing vertex which has the same property with

query_modules/graph_analyzer.py

@@ -4,17 +4,15 @@ from collections import OrderedDict
 from itertools import chain, repeat
 from inspect import cleandoc
 from typing import List, Tuple
-
 try:
     import networkx as nx
 except ImportError as import_error:
-    sys.stderr.write(
-        (
-            "\n"
-            "NOTE: Please install networkx to be able to use graph_analyzer "
-            "module. Using Python:\n" + sys.version + "\n"
-        )
-    )
+    sys.stderr.write((
+        '\n'
+        'NOTE: Please install networkx to be able to use graph_analyzer '
+        'module. Using Python:\n'
+        + sys.version +
+        '\n'))
     raise import_error
 # Imported last because it also depends on networkx.
 from mgp_networkx import MemgraphMultiDiGraph  # noqa E402
@@ -25,14 +23,16 @@ _MAX_LIST_SIZE = 10
 
 @mgp.read_proc
 def help() -> mgp.Record(name=str, value=str):
-    """Shows manual page for graph_analyzer."""
+    '''Shows manual page for graph_analyzer.'''
     records = []
 
     def make_records(name, doc):
-        return (mgp.Record(name=n, value=v) for n, v in zip(chain([name], repeat("")), cleandoc(doc).splitlines()))
+        return (mgp.Record(name=n, value=v) for n, v in
+                zip(chain([name], repeat('')), cleandoc(doc).splitlines()))
 
     for func in (help, analyze, analyze_subgraph):
-        records.extend(make_records("Procedure '{}'".format(func.__name__), func.__doc__))
+        records.extend(make_records("Procedure '{}'".format(func.__name__),
+                                    func.__doc__))
 
     for m, v in _get_analysis_mapping().items():
         records.extend(make_records("Analysis '{}'".format(m), v.__doc__))
@@ -41,8 +41,10 @@ def help() -> mgp.Record(name=str, value=str):
 
 
 @mgp.read_proc
-def analyze(context: mgp.ProcCtx, analyses: mgp.Nullable[List[str]] = None) -> mgp.Record(name=str, value=str):
-    """
+def analyze(context: mgp.ProcCtx,
+            analyses: mgp.Nullable[List[str]] = None
+            ) -> mgp.Record(name=str, value=str):
+    '''
     Shows graph information.
 
     In case of multiple results, only the first 10 will be shown.
@@ -55,20 +57,19 @@ def analyze(context: mgp.ProcCtx, analyses: mgp.Nullable[List[str]] = None) -> m
 
     Example call (with parameter):
         CALL graph_analyzer.analyze(['nodes', 'edges']) YIELD *;
-    """
+    '''
     g = MemgraphMultiDiGraph(ctx=context)
     recs = _analyze_graph(context, g, analyses)
     return [mgp.Record(name=name, value=value) for name, value in recs]
 
 
 @mgp.read_proc
-def analyze_subgraph(
-    context: mgp.ProcCtx,
-    vertices: mgp.List[mgp.Vertex],
-    edges: mgp.List[mgp.Edge],
-    analyses: mgp.Nullable[List[str]] = None,
-) -> mgp.Record(name=str, value=str):
-    """
+def analyze_subgraph(context: mgp.ProcCtx,
+                     vertices: mgp.List[mgp.Vertex],
+                     edges: mgp.List[mgp.Edge],
+                     analyses: mgp.Nullable[List[str]] = None
+                     ) -> mgp.Record(name=str, value=str):
+    '''
     Shows subgraph information.
 
     In case of multiple results, only the first 10 will be shown.
@@ -90,40 +91,36 @@ def analyze_subgraph(
         CALL graph_analyzer.analyze_subgraph(nodes, edges, ['nodes', 'edges'])
         YIELD *
         RETURN name, value;
-    """
+    '''
     vertices, edges = map(set, [vertices, edges])
     g = nx.subgraph_view(
         MemgraphMultiDiGraph(ctx=context),
         lambda n: n in vertices,
-        lambda n1, n2, e: e in edges,
-    )
+        lambda n1, n2, e: e in edges)
     recs = _analyze_graph(context, g, analyses)
     return [mgp.Record(name=name, value=value) for name, value in recs]
 
 
 def _get_analysis_mapping():
-    return OrderedDict(
-        [
-            ("nodes", _number_of_nodes),
-            ("edges", _number_of_edges),
-            ("bridges", _bridges),
-            ("articulation_points", _articulation_points),
-            ("avg_degree", _avg_degree),
-            ("sorted_nodes_degree", _sorted_nodes_degree),
-            ("self_loops", _self_loops),
-            ("is_bipartite", _is_bipartite),
-            ("is_planar", _is_planar),
-            ("is_biconnected: ", _is_biconnected),
-            ("is_weakly_connected", _is_weakly_connected),
-            ("number_of_weakly_components", _weakly_components),
-            ("is_strongly_connected", _is_strongly_connected),
-            ("strongly_components", _strongly_components),
-            ("is_dag", _is_dag),
-            ("is_eulerian", _is_eulerian),
-            ("is_forest", _is_forest),
-            ("is_tree", _is_tree),
-        ]
-    )
+    return OrderedDict([
+                        ('nodes', _number_of_nodes),
+                        ('edges', _number_of_edges),
+                        ('bridges', _bridges),
+                        ('articulation_points', _articulation_points),
+                        ('avg_degree', _avg_degree),
+                        ('sorted_nodes_degree', _sorted_nodes_degree),
+                        ('self_loops', _self_loops),
+                        ('is_bipartite', _is_bipartite),
+                        ('is_planar', _is_planar),
+                        ('is_biconnected: ', _is_biconnected),
+                        ('is_weakly_connected', _is_weakly_connected),
+                        ('number_of_weakly_components', _weakly_components),
+                        ('is_strongly_connected', _is_strongly_connected),
+                        ('strongly_components', _strongly_components),
+                        ('is_dag', _is_dag),
+                        ('is_eulerian', _is_eulerian),
+                        ('is_forest', _is_forest),
+                        ('is_tree', _is_tree)])
 
 
 def _get_analysis_func(name: str):
@@ -135,15 +132,20 @@ def _get_analysis_funcs():
     return _get_analysis_mapping().values()
 
 
-def _analyze_graph(context: mgp.ProcCtx, g: nx.MultiDiGraph, analyses: List[str]) -> List[Tuple[str, str]]:
+def _analyze_graph(context: mgp.ProcCtx,
+                   g: nx.MultiDiGraph,
+                   analyses: List[str]
+                   ) -> List[Tuple[str, str]]:
 
-    functions = _get_analysis_funcs() if analyses is None else [_get_analysis_func(name) for name in analyses]
+    functions = (_get_analysis_funcs() if analyses is None
+                 else [_get_analysis_func(name) for name in analyses])
 
     records = []
     for index, f in enumerate(functions):
         context.check_must_abort()
         if f is None:
-            raise KeyError("Graph analysis is not supported: " + analyses[index])
+            raise KeyError('Graph analysis is not supported: ' +
+                           analyses[index])
         name, value = f(g)
         if isinstance(value, (list, set, tuple)):
             value = list(value)[:_MAX_LIST_SIZE]
@@ -153,120 +155,126 @@ def _analyze_graph(context: mgp.ProcCtx, g: nx.MultiDiGraph, analyses: List[str]
 
 
 def _number_of_nodes(g: nx.MultiDiGraph) -> Tuple[str, int]:
-    """Returns number of nodes."""
-    return "Number of nodes", nx.number_of_nodes(g)
+    '''Returns number of nodes.'''
+    return 'Number of nodes', nx.number_of_nodes(g)
 
 
 def _number_of_edges(g: nx.MultiDiGraph) -> Tuple[str, int]:
-    """Returns number of edges."""
-    return "Number of edges", nx.number_of_edges(g)
+    '''Returns number of edges.'''
+    return 'Number of edges', nx.number_of_edges(g)
 
 
 def _avg_degree(g: nx.MultiDiGraph) -> Tuple[str, float]:
-    """Returns average degree."""
+    '''Returns average degree.'''
     _, number_of_nodes = _number_of_nodes(g)
     _, number_of_edges = _number_of_edges(g)
-    avg_degree = 0 if number_of_nodes == 0 else number_of_edges / number_of_nodes
-    return "Average degree", avg_degree
+    avg_degree = (0 if number_of_nodes == 0
+                  else number_of_edges / number_of_nodes)
+    return 'Average degree', avg_degree
 
 
 def _sorted_nodes_degree(g: nx.MultiDiGraph) -> Tuple[str, List[int]]:
-    """Returns list of sorted nodes degree. [(node_id, degree), ...]"""
+    '''Returns list of sorted nodes degree. [(node_id, degree), ...]'''
     nodes_degree = [(n, g.degree(n)) for n in g.nodes()]
     nodes_degree.sort(key=lambda x: x[1], reverse=True)
-    return "Sorted nodes degree", nodes_degree
+    return 'Sorted nodes degree', nodes_degree
 
 
 def _self_loops(g: nx.MultiDiGraph) -> Tuple[str, int]:
-    """Returns number of self loops."""
-    return "Self loops", sum((1 if e[0] == e[1] else 0 for e in g.edges()))
+    '''Returns number of self loops.'''
+    return 'Self loops', sum((1 if e[0] == e[1] else 0 for e in g.edges()))
 
 
 def _is_bipartite(g: nx.MultiDiGraph) -> Tuple[str, bool]:
-    """Checks if graph is bipartite."""
+    '''Checks if graph is bipartite.'''
     _, number_of_nodes = _number_of_nodes(g)
-    ret = False if number_of_nodes == 0 else nx.algorithms.bipartite.basic.is_bipartite(g)
-    return "Is bipartite", ret
+    ret = (False if number_of_nodes == 0
+           else nx.algorithms.bipartite.basic.is_bipartite(g))
+    return 'Is bipartite', ret
 
 
 def _is_planar(g: nx.MultiDiGraph) -> Tuple[str, bool]:
-    """Checks if graph is planar."""
+    '''Checks if graph is planar.'''
     _, number_of_nodes = _number_of_nodes(g)
-    ret = False if number_of_nodes == 0 else nx.algorithms.planarity.check_planarity(g)[0]
-    return "Is planar", ret
+    ret = (False if number_of_nodes == 0
+           else nx.algorithms.planarity.check_planarity(g)[0])
+    return 'Is planar', ret
 
 
 def _is_biconnected(g: nx.MultiDiGraph) -> Tuple[str, bool]:
-    """Check if graph is biconnected."""
+    '''Check if graph is biconnected.'''
     _, number_of_nodes = _number_of_nodes(g)
-    ret = False if number_of_nodes == 0 else nx.is_biconnected(nx.MultiDiGraph.to_undirected(g))
-    return "Is biconnected", ret
+    ret = (False if number_of_nodes == 0
+           else nx.is_biconnected(nx.MultiDiGraph.to_undirected(g)))
+    return 'Is biconnected', ret
 
 
 def _is_weakly_connected(g: nx.MultiDiGraph) -> Tuple[str, bool]:
-    """Check if graph is weakly connected."""
+    '''Check if graph is weakly connected.'''
     _, number_of_nodes = _number_of_nodes(g)
     ret = False if number_of_nodes == 0 else nx.is_weakly_connected(g)
-    return "Is weakly connected", ret
+    return 'Is weakly connected', ret
 
 
 def _is_strongly_connected(g: nx.MultiDiGraph) -> Tuple[str, bool]:
-    """Checks if graph is strongly connected."""
+    '''Checks if graph is strongly connected.'''
     _, number_of_nodes = _number_of_nodes(g)
     ret = False if number_of_nodes == 0 else nx.is_strongly_connected(g)
-    return "Is strongly connected", ret
+    return 'Is strongly connected', ret
 
 
 def _is_dag(g: nx.MultiDiGraph) -> Tuple[str, bool]:
-    """Check if graph is directed acyclic graph (DAG)"""
+    '''Check if graph is directed acyclic graph (DAG)'''
     _, number_of_nodes = _number_of_nodes(g)
-    ret = False if number_of_nodes == 0 else nx.algorithms.dag.is_directed_acyclic_graph(g)
-    return "Is DAG", ret
+    ret = (False if number_of_nodes == 0
+           else nx.algorithms.dag.is_directed_acyclic_graph(g))
+    return 'Is DAG', ret
 
 
 def _is_eulerian(g: nx.MultiDiGraph) -> Tuple[str, bool]:
-    """Checks if graph is Eulerian."""
+    '''Checks if graph is Eulerian.'''
     _, number_of_nodes = _number_of_nodes(g)
-    ret = False if number_of_nodes == 0 else nx.algorithms.euler.is_eulerian(g)
-    return "Is eulerian", ret
+    ret = (False if number_of_nodes == 0
+           else nx.algorithms.euler.is_eulerian(g))
+    return 'Is eulerian', ret
 
 
 def _is_forest(g: nx.MultiDiGraph) -> Tuple[str, bool]:
-    """Checks if graph is forest, all components must be trees."""
+    '''Checks if graph is forest, all components must be trees.'''
     _, number_of_nodes = _number_of_nodes(g)
-    ret = False if number_of_nodes == 0 else nx.algorithms.tree.recognition.is_forest(g)
-    return "Is forest", ret
+    ret = (False if number_of_nodes == 0
+           else nx.algorithms.tree.recognition.is_forest(g))
+    return 'Is forest', ret
 
 
 def _is_tree(g: nx.MultiDiGraph) -> Tuple[str, bool]:
-    """Checks if graph is tree."""
+    '''Checks if graph is tree.'''
     _, number_of_nodes = _number_of_nodes(g)
-    ret = False if number_of_nodes == 0 else nx.algorithms.tree.recognition.is_tree(g)
-    return "Is tree", ret
+    ret = (False if number_of_nodes == 0
+           else nx.algorithms.tree.recognition.is_tree(g))
+    return 'Is tree', ret
 
 
 def _bridges(g: nx.MultiDiGraph) -> Tuple[str, int]:
-    """Returns number of bridges, multiple edges between same nodes are
-    mapped to one edge."""
-    return "Number of bridges", sum(1 for _ in nx.bridges(nx.Graph(g)))
+    '''Returns number of bridges, multiple edges between same nodes are
+       mapped to one edge.'''
+    return 'Number of bridges', sum(1 for _ in nx.bridges(nx.Graph(g)))
 
 
 def _articulation_points(g: nx.MultiDiGraph):
-    """Returns number of articulation points."""
+    '''Returns number of articulation points.'''
     undirected = nx.MultiDiGraph.to_undirected(g)
-    return (
-        "Number of articulation points",
-        sum(1 for _ in nx.articulation_points(undirected)),
-    )
+    return ('Number of articulation points',
+            sum(1 for _ in nx.articulation_points(undirected)))
 
 
 def _weakly_components(g: nx.MultiDiGraph):
-    """Returns number of weakly components."""
+    '''Returns number of weakly components.'''
     comps = nx.algorithms.components.number_weakly_connected_components(g)
-    return "Number of weakly connected components", comps
+    return 'Number of weakly connected components', comps
 
 
 def _strongly_components(g: nx.MultiDiGraph):
-    """Returns number of strongly connected components."""
+    '''Returns number of strongly connected components.'''
     comps = nx.algorithms.components.number_strongly_connected_components(g)
-    return "Number of strongly connected components", comps
+    return 'Number of strongly connected components', comps

query_modules/mgp_networkx.py

@@ -1,22 +1,20 @@
 import sys
 import mgp
 import collections
-
 try:
     import networkx as nx
 except ImportError as import_error:
-    sys.stderr.write(
-        (
-            "\n"
-            "NOTE: Please install networkx to be able to use Memgraph NetworkX "
-            "wrappers. Using Python:\n" + sys.version + "\n"
-        )
-    )
+    sys.stderr.write((
+        '\n'
+        'NOTE: Please install networkx to be able to use Memgraph NetworkX '
+        'wrappers. Using Python:\n'
+        + sys.version +
+        '\n'))
     raise import_error
 
 
 class MemgraphAdjlistOuterDict(collections.abc.Mapping):
-    __slots__ = ("_ctx", "_succ", "_multi")
+    __slots__ = ('_ctx', '_succ', '_multi')
 
     def __init__(self, ctx, succ=True, multi=True):
         self._ctx = ctx
@@ -26,7 +24,8 @@ class MemgraphAdjlistOuterDict(collections.abc.Mapping):
     def __getitem__(self, key):
         if key not in self:
             raise KeyError
-        return MemgraphAdjlistInnerDict(key, succ=self._succ, multi=self._multi)
+        return MemgraphAdjlistInnerDict(key, succ=self._succ,
+                                        multi=self._multi)
 
     def __iter__(self):
         return iter(self._ctx.graph.vertices)
@@ -41,7 +40,7 @@ class MemgraphAdjlistOuterDict(collections.abc.Mapping):
 
 
 class MemgraphAdjlistInnerDict(collections.abc.Mapping):
-    __slots__ = ("_node", "_succ", "_multi", "_neighbors")
+    __slots__ = ('_node', '_succ', '_multi', '_neighbors')
 
     def __init__(self, node, succ=True, multi=True):
         self._node = node
@@ -72,26 +71,31 @@ class MemgraphAdjlistInnerDict(collections.abc.Mapping):
     def _get_neighbors(self):
         if not self._neighbors:
             if self._succ:
-                self._neighbors = set(e.to_vertex for e in self._node.out_edges)
+                self._neighbors = set(
+                    e.to_vertex for e in self._node.out_edges)
             else:
-                self._neighbors = set(e.from_vertex for e in self._node.in_edges)
+                self._neighbors = set(
+                    e.from_vertex for e in self._node.in_edges)
         return self._neighbors
 
     def _get_edge(self, neighbor):
         if self._succ:
-            edge = list(filter(lambda e: e.to_vertex == neighbor, self._node.out_edges))
+            edge = list(filter(lambda e: e.to_vertex == neighbor,
+                               self._node.out_edges))
         else:
-            edge = list(filter(lambda e: e.from_vertex == neighbor, self._node.in_edges))
+            edge = list(filter(lambda e: e.from_vertex == neighbor,
+                               self._node.in_edges))
 
         assert len(edge) >= 1
         if len(edge) > 1:
-            raise RuntimeError("Graph contains multiedges but " "is of non-multigraph type: {}".format(edge))
+            raise RuntimeError('Graph contains multiedges but '
+                               'is of non-multigraph type: {}'.format(edge))
 
         return edge[0]
 
 
 class MemgraphEdgeKeyDict(collections.abc.Mapping):
-    __slots__ = ("_node", "_neighbor", "_succ", "_edges")
+    __slots__ = ('_node', '_neighbor', '_succ', '_edges')
 
     def __init__(self, node, neighbor, succ=True):
         self._node = node
@@ -118,14 +122,18 @@ class MemgraphEdgeKeyDict(collections.abc.Mapping):
     def _get_edges(self):
         if not self._edges:
             if self._succ:
-                self._edges = list(filter(lambda e: e.to_vertex == self._neighbor, self._node.out_edges))
+                self._edges = list(filter(
+                    lambda e: e.to_vertex == self._neighbor,
+                    self._node.out_edges))
             else:
-                self._edges = list(filter(lambda e: e.from_vertex == self._neighbor, self._node.in_edges))
+                self._edges = list(filter(
+                    lambda e: e.from_vertex == self._neighbor,
+                    self._node.in_edges))
         return self._edges
 
 
 class UnhashableProperties(collections.abc.Mapping):
-    __slots__ = "_properties"
+    __slots__ = ('_properties')
 
     def __init__(self, properties):
         self._properties = properties
@@ -147,7 +155,7 @@ class UnhashableProperties(collections.abc.Mapping):
 
 
 class MemgraphNodeDict(collections.abc.Mapping):
-    __slots__ = ("_ctx",)
+    __slots__ = ('_ctx',)
 
     def __init__(self, ctx):
         self._ctx = ctx
@@ -179,7 +187,8 @@ class MemgraphNodeDict(collections.abc.Mapping):
 
 
 class MemgraphDiGraphBase:
-    def __init__(self, incoming_graph_data=None, ctx=None, multi=True, **kwargs):
+    def __init__(self, incoming_graph_data=None, ctx=None, multi=True,
+                 **kwargs):
         # NOTE: We assume that our graph will never be given any initial data
         # because we already pull our data from the Memgraph database. This
         # assert is triggered by certain NetworkX procedures because they
@@ -192,30 +201,23 @@ class MemgraphDiGraphBase:
         # modify the graph's internal attributes and don't try to populate it
         # with initial data or modify it.
 
-        self.node_dict_factory = lambda: MemgraphNodeDict(ctx) if ctx else self._error
+        self.node_dict_factory = lambda: MemgraphNodeDict(ctx) \
+            if ctx else self._error
         self.node_attr_dict_factory = self._error
 
-        self.adjlist_outer_dict_factory = lambda: MemgraphAdjlistOuterDict(ctx, multi=multi) if ctx else self._error
+        self.adjlist_outer_dict_factory = \
+            lambda: MemgraphAdjlistOuterDict(ctx, multi=multi) \
+            if ctx else self._error
         self.adjlist_inner_dict_factory = self._error
         self.edge_key_dict_factory = self._error
         self.edge_attr_dict_factory = self._error
 
         # NOTE: We forbid any mutating operations because our graph is
         # immutable and pulls its data from the Memgraph database.
-        for f in [
-            "add_node",
-            "add_nodes_from",
-            "remove_node",
-            "remove_nodes_from",
-            "add_edge",
-            "add_edges_from",
-            "add_weighted_edges_from",
-            "new_edge_key",
-            "remove_edge",
-            "remove_edges_from",
-            "update",
-            "clear",
-        ]:
+        for f in ['add_node', 'add_nodes_from', 'remove_node',
+                  'remove_nodes_from', 'add_edge', 'add_edges_from',
+                  'add_weighted_edges_from', 'new_edge_key', 'remove_edge',
+                  'remove_edges_from', 'update', 'clear']:
             setattr(self, f, lambda *args, **kwargs: self._error())
 
         super().__init__(None, **kwargs)
@@ -229,29 +231,33 @@ class MemgraphDiGraphBase:
         self._pred = MemgraphAdjlistOuterDict(ctx, succ=False, multi=multi)
 
     def _error(self):
-        raise RuntimeError("Modification operations are not supported")
+        raise RuntimeError('Modification operations are not supported')
 
 
 class MemgraphMultiDiGraph(MemgraphDiGraphBase, nx.MultiDiGraph):
     def __init__(self, incoming_graph_data=None, ctx=None, **kwargs):
-        super().__init__(incoming_graph_data=incoming_graph_data, ctx=ctx, multi=True, **kwargs)
+        super().__init__(incoming_graph_data=incoming_graph_data,
+                         ctx=ctx, multi=True, **kwargs)
 
 
 def MemgraphMultiGraph(incoming_graph_data=None, ctx=None, **kwargs):
-    return MemgraphMultiDiGraph(incoming_graph_data=incoming_graph_data, ctx=ctx, **kwargs).to_undirected(as_view=True)
+    return MemgraphMultiDiGraph(incoming_graph_data=incoming_graph_data,
+                                ctx=ctx, **kwargs).to_undirected(as_view=True)
 
 
 class MemgraphDiGraph(MemgraphDiGraphBase, nx.DiGraph):
     def __init__(self, incoming_graph_data=None, ctx=None, **kwargs):
-        super().__init__(incoming_graph_data=incoming_graph_data, ctx=ctx, multi=False, **kwargs)
+        super().__init__(incoming_graph_data=incoming_graph_data,
+                         ctx=ctx, multi=False, **kwargs)
 
 
 def MemgraphGraph(incoming_graph_data=None, ctx=None, **kwargs):
-    return MemgraphDiGraph(incoming_graph_data=incoming_graph_data, ctx=ctx, **kwargs).to_undirected(as_view=True)
+    return MemgraphDiGraph(incoming_graph_data=incoming_graph_data,
+                           ctx=ctx, **kwargs).to_undirected(as_view=True)
 
 
 class PropertiesDictionary(collections.abc.Mapping):
-    __slots__ = ("_ctx", "_prop", "_len")
+    __slots__ = ('_ctx', '_prop', '_len')
 
     def __init__(self, ctx, prop):
         self._ctx = ctx
@@ -264,7 +270,8 @@ class PropertiesDictionary(collections.abc.Mapping):
         try:
             return vertex.properties[self._prop]
         except KeyError:
-            raise KeyError(("{} doesn\t have the required " + "property '{}'").format(vertex, self._prop))
+            raise KeyError(("{} doesn\t have the required " +
+                            "property '{}'").format(vertex, self._prop))
 
     def __iter__(self):
         for v in self._ctx.graph.vertices:

query_modules/wcc.py

@@ -1,20 +1,23 @@
 import sys
 import mgp
-
 try:
     import networkx as nx
 except ImportError as import_error:
     sys.stderr.write(
-        "\n" "NOTE: Please install networkx to be able to use wcc module.\n" "Using Python:\n" + sys.version + "\n"
-    )
+        '\n'
+        'NOTE: Please install networkx to be able to use wcc module.\n'
+        'Using Python:\n'
+        + sys.version +
+        '\n')
     raise import_error
 
 
 @mgp.read_proc
-def get_components(
-    vertices: mgp.List[mgp.Vertex], edges: mgp.List[mgp.Edge]
-) -> mgp.Record(n_components=int, components=mgp.List[mgp.List[mgp.Vertex]]):
-    """
+def get_components(vertices: mgp.List[mgp.Vertex],
+                   edges: mgp.List[mgp.Edge]
+                   ) -> mgp.Record(n_components=int,
+                                   components=mgp.List[mgp.List[mgp.Vertex]]):
+    '''
     This procedure finds weakly connected components of a given subgraph of a
     directed graph.
 
@@ -38,7 +41,7 @@ def get_components(
     WITH collect(n) AS nodes, collect(e) AS edges
     CALL wcc.get_components(nodes, edges) YIELD *
     RETURN n_components, components;
-    """
+    '''
     g = nx.DiGraph()
     g.add_nodes_from(vertices)
     g.add_edges_from([(edge.from_vertex, edge.to_vertex) for edge in edges])

release/CMakeLists.txt

@@ -10,14 +10,6 @@ set(CPACK_PACKAGE_VENDOR "Memgraph Ltd.")
 set(CPACK_PACKAGE_DESCRIPTION_SUMMARY
     "High performance, in-memory, transactional graph database")
 
-# Setting arhitecture extension for deb packages
-set(MG_ARCH_EXTENSION_DEB "all")
-if (${MG_ARCH} STREQUAL "x86_64")
-    set(MG_ARCH_EXTENSION_DEB "amd64")
-elseif (${MG_ARCH} STREQUAL "ARM64")
-    set(MG_ARCH_EXTENSION_DEB  "arm64")
-endif()
-
 # DEB specific
 # Instead of using "name <email>" format, we use "email (name)" to prevent
 # errors due to full stop, '.' at the end of "Ltd". (See: RFC 822)
@@ -25,7 +17,7 @@ set(CPACK_DEBIAN_PACKAGE_MAINTAINER "tech@memgraph.com (Memgraph Ltd.)")
 set(CPACK_DEBIAN_PACKAGE_SECTION non-free/database)
 set(CPACK_DEBIAN_PACKAGE_HOMEPAGE https://memgraph.com)
 set(CPACK_DEBIAN_PACKAGE_VERSION "${MEMGRAPH_VERSION_DEB}")
-set(CPACK_DEBIAN_FILE_NAME "memgraph_${MEMGRAPH_VERSION_DEB}_${MG_ARCH_EXTENSION_DEB}.deb")
+set(CPACK_DEBIAN_FILE_NAME "memgraph_${MEMGRAPH_VERSION_DEB}_amd64.deb")
 set(CPACK_DEBIAN_PACKAGE_CONTROL_EXTRA
     "${CMAKE_CURRENT_SOURCE_DIR}/debian/conffiles;"
     "${CMAKE_CURRENT_SOURCE_DIR}/debian/copyright;"
@@ -41,20 +33,21 @@ set(CPACK_DEBIAN_PACKAGE_DESCRIPTION "${CPACK_PACKAGE_DESCRIPTION_SUMMARY}
  applications driver by real-time connected data.")
 # Add `openssl` package to dependencies list. Used to generate SSL certificates.
 # We also depend on `python3` because we embed it in Memgraph.
-set(CPACK_DEBIAN_PACKAGE_DEPENDS "openssl (>= 1.1.0), python3 (>= 3.5.0), libstdc++6")
-
-# Setting arhitecture extension for rpm packages
-set(MG_ARCH_EXTENSION_RPM "noarch")
-if (${MG_ARCH} STREQUAL "x86_64")
-    set(MG_ARCH_EXTENSION_RPM "x86_64")
-elseif (${MG_ARCH} STREQUAL "ARM64")
-    set(MG_ARCH_EXTENSION_RPM  "aarch64")
-endif()
+set(CPACK_DEBIAN_PACKAGE_DEPENDS "openssl (>= 1.1.0), python3 (>= 3.5.0)")
 
 # RPM specific
+
+set(MG_ARCH_EXTENSION "noarch")
+
+if (${MG_ARCH} STREQUAL "x86_64")
+    set(MG_ARCH_EXTENSION "x86_64")
+elseif (${MG_ARCH} STREQUAL "ARM64")
+    set(MG_ARCH_EXTENSION  "aarch64")
+endif()
+
 set(CPACK_RPM_PACKAGE_URL https://memgraph.com)
 set(CPACK_RPM_PACKAGE_VERSION "${MEMGRAPH_VERSION_RPM}")
-set(CPACK_RPM_FILE_NAME "memgraph-${MEMGRAPH_VERSION_RPM}-1.${MG_ARCH_EXTENSION_RPM}.rpm")
+set(CPACK_RPM_FILE_NAME "memgraph-${MEMGRAPH_VERSION_RPM}-1.${MG_ARCH_EXTENSION}.rpm")
 set(CPACK_RPM_EXCLUDE_FROM_AUTO_FILELIST_ADDITION
   /var /var/lib /var/log /etc/logrotate.d
   /lib /lib/systemd /lib/systemd/system /lib/systemd/system/memgraph.service)
@@ -67,7 +60,7 @@ It aims to deliver developers the speed, simplicity and scale required to build
 the next generation of applications driver by real-time connected data.")
 # Add `openssl` package to dependencies list. Used to generate SSL certificates.
 # We also depend on `python3` because we embed it in Memgraph.
-set(CPACK_RPM_PACKAGE_REQUIRES "openssl >= 1.0.0, curl >= 7.29.0, python3 >= 3.5.0, libstdc >= 6, logrotate")
+set(CPACK_RPM_PACKAGE_REQUIRES "openssl >= 1.0.0, curl >= 7.29.0, python3 >= 3.5.0")
 
 # All variables must be set before including.
 include(CPack)

release/docker/memgraph_deb.dockerfile

@@ -1,21 +1,19 @@
 FROM debian:bullseye
 # NOTE: If you change the base distro update release/package as well.
 
-ARG BINARY_NAME
-ARG EXTENSION
-ARG TARGETARCH
+ARG release
 
 RUN apt-get update && apt-get install -y \
-  openssl libcurl4 libssl1.1 libseccomp2 python3 libpython3.9 python3-pip \
-  --no-install-recommends \
+    openssl libcurl4 libssl1.1 libseccomp2 python3 libpython3.9 python3-pip \
+    --no-install-recommends \
   && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
 RUN pip3 install networkx==2.4 numpy==1.21.4 scipy==1.7.3
 
-COPY "${BINARY_NAME}${TARGETARCH}.${EXTENSION}" /
+COPY ${release} /
 
 # Install memgraph package
-RUN dpkg -i "${BINARY_NAME}${TARGETARCH}.deb"
+RUN dpkg -i ${release}
 
 # Memgraph listens for Bolt Protocol on this port by default.
 EXPOSE 7687

release/docker/memgraph_rpm.dockerfile

@@ -0,0 +1,31 @@
+FROM dokken/centos-stream-9
+# NOTE: If you change the base distro update release/package as well.
+
+ARG release
+
+RUN yum update && yum install -y \
+    openssl libcurl libseccomp python3 python3-pip \
+    --nobest --allowerasing \
+  && rm -rf /tmp/* \
+  && yum clean all
+
+RUN pip3 install networkx==2.4 numpy==1.21.4 scipy==1.7.3
+
+COPY ${release} /
+
+# Install memgraph package
+RUN rpm -i ${release}
+
+# Memgraph listens for Bolt Protocol on this port by default.
+EXPOSE 7687
+# Snapshots and logging volumes
+VOLUME /var/log/memgraph
+VOLUME /var/lib/memgraph
+# Configuration volume
+VOLUME /etc/memgraph
+
+USER memgraph
+WORKDIR /usr/lib/memgraph
+
+ENTRYPOINT ["/usr/lib/memgraph/memgraph"]
+CMD [""]

release/docker/package_docker

@@ -55,10 +55,7 @@ image_name="memgraph:${version}"
 image_package_name="memgraph-${version}-docker.tar.gz"
 
 # Build docker image.
-docker build -t ${image_name} ${tag_latest} -f ${dockerfile_path} \
---build-arg BINARY_NAME=${package_name} \
---build-arg EXTENSION=${extension} \
---build-arg TARGETARCH="" .
+docker build -t ${image_name} ${tag_latest} -f ${dockerfile_path} --build-arg release=${package_name}.${extension} .
 docker save ${image_name} ${latest_image} | gzip > ${image_package_name}
 rm "${package_name}.${extension}"
 echo "Built Docker image at '${working_dir}/${image_package_name}'"

release/get_version.py

@@ -104,9 +104,7 @@ def retry(retry_limit, timeout=100):
                 except Exception:
                     time.sleep(timeout)
             return func(*args, **kwargs)
-
         return wrapper
-
     return inner_func
 
 
@@ -165,15 +163,8 @@ def format_version(variant, version, offering, distance=None, shorthash=None, su
 
 # Parse arguments.
 parser = argparse.ArgumentParser(description="Get the current version of Memgraph.")
-parser.add_argument(
-    "--open-source",
-    action="store_true",
-    help="set the current offering to 'open-source'",
-)
-parser.add_argument(
-    "version",
-    help="manual version override, if supplied the version isn't " "determined using git",
-)
+parser.add_argument("--open-source", action="store_true", help="set the current offering to 'open-source'")
+parser.add_argument("version", help="manual version override, if supplied the version isn't " "determined using git")
 parser.add_argument("suffix", help="custom suffix for the current version being built")
 parser.add_argument(
     "--variant",
@@ -182,9 +173,7 @@ parser.add_argument(
     help="which variant of the version string should be generated",
 )
 parser.add_argument(
-    "--memgraph-root-dir",
-    help="The root directory of the checked out " "Memgraph repository.",
-    default=".",
+    "--memgraph-root-dir", help="The root directory of the checked out " "Memgraph repository.", default="."
 )
 args = parser.parse_args()
 
@@ -267,27 +256,14 @@ for version in versions:
 if current_version is None:
     raise Exception("You are attempting to determine the version for a very " "old version of Memgraph!")
 version, branch, master_branch_merge = current_version
-distance = int(
-    get_output(
-        "git",
-        "rev-list",
-        "--count",
-        "--first-parent",
-        master_branch_merge + ".." + current_hash,
-    )
-)
+distance = int(get_output("git", "rev-list", "--count", "--first-parent", master_branch_merge + ".." + current_hash))
 version_str = ".".join(map(str, version)) + ".0"
 if distance == 0:
     print(format_version(args.variant, version_str, offering, suffix=args.suffix), end="")
 else:
     print(
         format_version(
-            args.variant,
-            version_str,
-            offering,
-            distance=distance,
-            shorthash=current_hash_short,
-            suffix=args.suffix,
+            args.variant, version_str, offering, distance=distance, shorthash=current_hash_short, suffix=args.suffix
         ),
         end="",
     )

release/package/centos-7/Dockerfile

@@ -7,8 +7,8 @@ RUN yum -y update \
 # Do NOT be smart here and clean the cache because the container is used in the
 # stateful context.
 
-RUN wget -q https://s3-eu-west-1.amazonaws.com/deps.memgraph.io/${TOOLCHAIN_VERSION}/${TOOLCHAIN_VERSION}-binaries-centos-7-x86_64.tar.gz \
-    -O ${TOOLCHAIN_VERSION}-binaries-centos-7-x86_64.tar.gz \
-    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-centos-7-x86_64.tar.gz -C /opt
+RUN wget -q https://s3-eu-west-1.amazonaws.com/deps.memgraph.io/${TOOLCHAIN_VERSION}/${TOOLCHAIN_VERSION}-binaries-centos-7.tar.gz \
+    -O ${TOOLCHAIN_VERSION}-binaries-centos-7.tar.gz \
+    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-centos-7.tar.gz -C /opt
 
 ENTRYPOINT ["sleep", "infinity"]

release/package/centos-8/Dockerfile

@@ -0,0 +1,14 @@
+FROM centos:8
+
+ARG TOOLCHAIN_VERSION
+
+RUN dnf -y update \
+    && dnf install -y wget git
+# Do NOT be smart here and clean the cache because the container is used in the
+# stateful context.
+
+RUN wget -q https://s3-eu-west-1.amazonaws.com/deps.memgraph.io/${TOOLCHAIN_VERSION}/${TOOLCHAIN_VERSION}-binaries-centos-8.tar.gz \
+    -O ${TOOLCHAIN_VERSION}-binaries-centos-8.tar.gz \
+    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-centos-8.tar.gz -C /opt
+
+ENTRYPOINT ["sleep", "infinity"]

release/package/centos-9/Dockerfile

@@ -1,14 +0,0 @@
-FROM quay.io/centos/centos:stream9
-
-ARG TOOLCHAIN_VERSION
-
-RUN yum -y update \
-    && yum install -y wget git
-# Do NOT be smart here and clean the cache because the container is used in the
-# stateful context.
-
-RUN wget -q https://s3-eu-west-1.amazonaws.com/deps.memgraph.io/${TOOLCHAIN_VERSION}/${TOOLCHAIN_VERSION}-binaries-centos-9-x86_64.tar.gz \
-    -O ${TOOLCHAIN_VERSION}-binaries-centos-9-x86_64.tar.gz \
-    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-centos-9-x86_64.tar.gz -C /opt
-
-ENTRYPOINT ["sleep", "infinity"]

release/package/debian-10/Dockerfile

@@ -10,8 +10,8 @@ RUN apt update && apt install -y \
 # Do NOT be smart here and clean the cache because the container is used in the
 # stateful context.
 
-RUN wget -q https://s3-eu-west-1.amazonaws.com/deps.memgraph.io/${TOOLCHAIN_VERSION}/${TOOLCHAIN_VERSION}-binaries-debian-10-amd64.tar.gz \
-    -O ${TOOLCHAIN_VERSION}-binaries-debian-10-amd64.tar.gz \
-    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-debian-10-amd64.tar.gz -C /opt
+RUN wget -q https://s3-eu-west-1.amazonaws.com/deps.memgraph.io/${TOOLCHAIN_VERSION}/${TOOLCHAIN_VERSION}-binaries-debian-10.tar.gz \
+    -O ${TOOLCHAIN_VERSION}-binaries-debian-10.tar.gz \
+    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-debian-10.tar.gz -C /opt
 
 ENTRYPOINT ["sleep", "infinity"]

release/package/debian-11-arm/Dockerfile

@@ -1,17 +0,0 @@
-FROM debian:11
-
-ARG TOOLCHAIN_VERSION
-
-# Stops tzdata interactive configuration.
-ENV DEBIAN_FRONTEND=noninteractive
-
-RUN apt update && apt install -y \
-    ca-certificates wget git
-# Do NOT be smart here and clean the cache because the container is used in the
-# stateful context.
-
-RUN wget -q https://s3-eu-west-1.amazonaws.com/deps.memgraph.io/${TOOLCHAIN_VERSION}/${TOOLCHAIN_VERSION}-binaries-debian-11-arm64.tar.gz \
-    -O ${TOOLCHAIN_VERSION}-binaries-debian-11-arm64.tar.gz \
-    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-debian-11-arm64.tar.gz -C /opt
-
-ENTRYPOINT ["sleep", "infinity"]

release/package/debian-11/Dockerfile

@@ -10,8 +10,8 @@ RUN apt update && apt install -y \
 # Do NOT be smart here and clean the cache because the container is used in the
 # stateful context.
 
-RUN wget -q https://s3-eu-west-1.amazonaws.com/deps.memgraph.io/${TOOLCHAIN_VERSION}/${TOOLCHAIN_VERSION}-binaries-debian-11-amd64.tar.gz \
-    -O ${TOOLCHAIN_VERSION}-binaries-debian-11-amd64.tar.gz \
-    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-debian-11-amd64.tar.gz -C /opt
+RUN wget -q https://s3-eu-west-1.amazonaws.com/deps.memgraph.io/${TOOLCHAIN_VERSION}/${TOOLCHAIN_VERSION}-binaries-debian-11.tar.gz \
+    -O ${TOOLCHAIN_VERSION}-binaries-debian-11.tar.gz \
+    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-debian-11.tar.gz -C /opt
 
 ENTRYPOINT ["sleep", "infinity"]

release/package/docker-compose.yml

@@ -4,10 +4,10 @@ services:
     build:
       context: centos-7
     container_name: "mgbuild_centos-7"
-  mgbuild_centos-9:
+  mgbuild_centos-8:
     build:
-      context: centos-9
-    container_name: "mgbuild_centos-9"
+      context: centos-8
+    container_name: "mgbuild_centos-8"
   mgbuild_debian-10:
     build:
       context: debian-10
@@ -24,7 +24,3 @@ services:
     build:
       context: ubuntu-20.04
     container_name: "mgbuild_ubuntu-20.04"
-  mgbuild_ubuntu-22.04:
-    build:
-      context: ubuntu-22.04
-    container_name: "mgbuild_ubuntu-22.04"

release/package/run.sh

@@ -3,7 +3,7 @@
 set -Eeuo pipefail
 
 SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-SUPPORTED_OS=(centos-7 centos-9 debian-10 debian-11 ubuntu-18.04 ubuntu-20.04 ubuntu-22.04 debian-11-arm)
+SUPPORTED_OS=(centos-7 centos-8 debian-10 debian-11 ubuntu-18.04 ubuntu-20.04)
 PROJECT_ROOT="$SCRIPT_DIR/../.."
 TOOLCHAIN_VERSION="toolchain-v4"
 ACTIVATE_TOOLCHAIN="source /opt/${TOOLCHAIN_VERSION}/activate"
@@ -67,18 +67,14 @@ make_package () {
     # environment/os/{os}.sh does not come within the toolchain package. When
     # migrating to the next version of toolchain do that, and remove the
     # TOOLCHAIN_RUN_DEPS installation from here.
-    echo "Installing dependencies using '/memgraph/environment/os/$os.sh' script..."
+    echo "Installing dependencies..."
     docker exec "$build_container" bash -c "/memgraph/environment/os/$os.sh install TOOLCHAIN_RUN_DEPS"
     docker exec "$build_container" bash -c "/memgraph/environment/os/$os.sh install MEMGRAPH_BUILD_DEPS"
 
     echo "Building targeted package..."
     docker exec "$build_container" bash -c "cd /memgraph && $ACTIVATE_TOOLCHAIN && ./init"
     docker exec "$build_container" bash -c "cd $container_build_dir && rm -rf ./*"
-    if [[ "$os" == "debian-11-arm" ]]; then
-        docker exec "$build_container" bash -c "cd $container_build_dir && $ACTIVATE_TOOLCHAIN && cmake -DCMAKE_BUILD_TYPE=release -DMG_ARCH="ARM64" $telemetry_id_override_flag .."
-    else
-        docker exec "$build_container" bash -c "cd $container_build_dir && $ACTIVATE_TOOLCHAIN && cmake -DCMAKE_BUILD_TYPE=release $telemetry_id_override_flag .."
-    fi
+    docker exec "$build_container" bash -c "cd $container_build_dir && $ACTIVATE_TOOLCHAIN && cmake -DCMAKE_BUILD_TYPE=release $telemetry_id_override_flag .."
     # ' is used instead of " because we need to run make within the allowed
     # container resources.
     # shellcheck disable=SC2016

release/package/ubuntu-18.04/Dockerfile

@@ -10,8 +10,8 @@ RUN apt update && apt install -y \
 # Do NOT be smart here and clean the cache because the container is used in the
 # stateful context.
 
-RUN wget -q https://s3-eu-west-1.amazonaws.com/deps.memgraph.io/${TOOLCHAIN_VERSION}/${TOOLCHAIN_VERSION}-binaries-ubuntu-18.04-amd64.tar.gz \
-    -O ${TOOLCHAIN_VERSION}-binaries-ubuntu-18.04-amd64.tar.gz \
-    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-ubuntu-18.04-amd64.tar.gz -C /opt
+RUN wget -q https://s3-eu-west-1.amazonaws.com/deps.memgraph.io/${TOOLCHAIN_VERSION}/${TOOLCHAIN_VERSION}-binaries-ubuntu-18.04.tar.gz \
+    -O ${TOOLCHAIN_VERSION}-binaries-ubuntu-18.04.tar.gz \
+    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-ubuntu-18.04.tar.gz -C /opt
 
 ENTRYPOINT ["sleep", "infinity"]

release/package/ubuntu-20.04/Dockerfile

@@ -10,8 +10,8 @@ RUN apt update && apt install -y \
 # Do NOT be smart here and clean the cache because the container is used in the
 # stateful context.
 
-RUN wget -q https://s3-eu-west-1.amazonaws.com/deps.memgraph.io/${TOOLCHAIN_VERSION}/${TOOLCHAIN_VERSION}-binaries-ubuntu-20.04-amd64.tar.gz \
-    -O ${TOOLCHAIN_VERSION}-binaries-ubuntu-20.04-amd64.tar.gz \
-    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-ubuntu-20.04-amd64.tar.gz -C /opt
+RUN wget -q https://s3-eu-west-1.amazonaws.com/deps.memgraph.io/${TOOLCHAIN_VERSION}/${TOOLCHAIN_VERSION}-binaries-ubuntu-20.04.tar.gz \
+    -O ${TOOLCHAIN_VERSION}-binaries-ubuntu-20.04.tar.gz \
+    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-ubuntu-20.04.tar.gz -C /opt
 
 ENTRYPOINT ["sleep", "infinity"]

release/package/ubuntu-22.04/Dockerfile

@@ -1,17 +0,0 @@
-FROM ubuntu:22.04
-
-ARG TOOLCHAIN_VERSION
-
-# Stops tzdata interactive configuration.
-ENV DEBIAN_FRONTEND=noninteractive
-
-RUN apt update && apt install -y \
-    ca-certificates wget git
-# Do NOT be smart here and clean the cache because the container is used in the
-# stateful context.
-
-RUN wget -q https://s3-eu-west-1.amazonaws.com/deps.memgraph.io/${TOOLCHAIN_VERSION}/${TOOLCHAIN_VERSION}-binaries-ubuntu-22.04-amd64.tar.gz \
-    -O ${TOOLCHAIN_VERSION}-binaries-ubuntu-22.04-amd64.tar.gz \
-    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-ubuntu-22.04-amd64.tar.gz -C /opt
-
-ENTRYPOINT ["sleep", "infinity"]

src/audit/log.cpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Licensed as a Memgraph Enterprise file under the Memgraph Enterprise
 // License (the "License"); by using this file, you agree to be bound by the terms of the License, and you may not use
@@ -18,7 +18,7 @@
 #include "utils/logging.hpp"
 #include "utils/string.hpp"
 
-namespace memgraph::audit {
+namespace audit {
 
 // Helper function that converts a `storage::PropertyValue` to `nlohmann::json`.
 inline nlohmann::json PropertyValueToJson(const storage::PropertyValue &pv) {
@@ -143,4 +143,4 @@ void Log::Flush() {
   log_.Sync();
 }
 
-}  // namespace memgraph::audit
+}  // namespace audit

src/audit/log.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Licensed as a Memgraph Enterprise file under the Memgraph Enterprise
 // License (the "License"); by using this file, you agree to be bound by the terms of the License, and you may not use
@@ -17,7 +17,7 @@
 #include "utils/file.hpp"
 #include "utils/scheduler.hpp"
 
-namespace memgraph::audit {
+namespace audit {
 
 const uint64_t kBufferSizeDefault = 100000;
 const uint64_t kBufferFlushIntervalMillisDefault = 200;
@@ -71,4 +71,4 @@ class Log {
   std::mutex lock_;
 };
 
-}  // namespace memgraph::audit
+}  // namespace audit

src/auth/CMakeLists.txt

@@ -11,7 +11,7 @@ find_package(gflags REQUIRED)
 
 add_library(mg-auth STATIC ${auth_src_files})
 target_link_libraries(mg-auth json libbcrypt gflags fmt::fmt)
-target_link_libraries(mg-auth mg-utils mg-kvstore mg-license )
+target_link_libraries(mg-auth mg-utils mg-kvstore)
 
 target_link_libraries(mg-auth ${Seccomp_LIBRARIES})
 target_include_directories(mg-auth SYSTEM PRIVATE ${Seccomp_INCLUDE_DIRS})

src/auth/auth.cpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Licensed as a Memgraph Enterprise file under the Memgraph Enterprise
 // License (the "License"); by using this file, you agree to be bound by the terms of the License, and you may not use
@@ -42,7 +42,8 @@ DEFINE_VALIDATED_int32(auth_module_timeout_ms, 10000,
                        "response from the auth module.",
                        FLAG_IN_RANGE(100, 1800000));
 
-namespace memgraph::auth {
+namespace auth {
+
 const std::string kUserPrefix = "user:";
 const std::string kRolePrefix = "role:";
 const std::string kLinkPrefix = "link:";
@@ -315,4 +316,4 @@ std::vector<auth::User> Auth::AllUsersForRole(const std::string &rolename_orig)
   return ret;
 }
 
-}  // namespace memgraph::auth
+}  // namespace auth

src/auth/auth.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Licensed as a Memgraph Enterprise file under the Memgraph Enterprise
 // License (the "License"); by using this file, you agree to be bound by the terms of the License, and you may not use
@@ -18,7 +18,8 @@
 #include "kvstore/kvstore.hpp"
 #include "utils/settings.hpp"
 
-namespace memgraph::auth {
+namespace auth {
+
 /**
  * This class serves as the main Authentication/Authorization storage.
  * It provides functions for managing Users, Roles and Permissions.
@@ -162,4 +163,4 @@ class Auth final {
   kvstore::KVStore storage_;
   auth::Module module_;
 };
-}  // namespace memgraph::auth
+}  // namespace auth

src/auth/crypto.cpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Licensed as a Memgraph Enterprise file under the Memgraph Enterprise
 // License (the "License"); by using this file, you agree to be bound by the terms of the License, and you may not use
@@ -12,7 +12,8 @@
 
 #include "auth/exceptions.hpp"
 
-namespace memgraph::auth {
+namespace auth {
+
 const std::string EncryptPassword(const std::string &password) {
   char salt[BCRYPT_HASHSIZE];
   char hash[BCRYPT_HASHSIZE];
@@ -39,4 +40,4 @@ bool VerifyPassword(const std::string &password, const std::string &hash) {
   return ret == 0;
 }
 
-}  // namespace memgraph::auth
+}  // namespace auth

src/auth/crypto.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Licensed as a Memgraph Enterprise file under the Memgraph Enterprise
 // License (the "License"); by using this file, you agree to be bound by the terms of the License, and you may not use
@@ -10,11 +10,12 @@
 
 #include <string>
 
-namespace memgraph::auth {
+namespace auth {
+
 /// @throw AuthException if unable to encrypt the password.
 const std::string EncryptPassword(const std::string &password);
 
 /// @throw AuthException if unable to verify the password.
 bool VerifyPassword(const std::string &password, const std::string &hash);
 
-}  // namespace memgraph::auth
+}  // namespace auth

src/auth/exceptions.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Use of this software is governed by the Business Source License
 // included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@@ -13,7 +13,8 @@
 
 #include "utils/exceptions.hpp"
 
-namespace memgraph::auth {
+namespace auth {
+
 /**
  * This exception class is thrown for all exceptions that can occur when dealing
  * with the Auth library.
@@ -22,4 +23,4 @@ class AuthException : public utils::BasicException {
  public:
   using utils::BasicException::BasicException;
 };
-}  // namespace memgraph::auth
+}  // namespace auth

src/auth/models.cpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Licensed as a Memgraph Enterprise file under the Memgraph Enterprise
 // License (the "License"); by using this file, you agree to be bound by the terms of the License, and you may not use
@@ -22,23 +22,13 @@
 // NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
 DEFINE_bool(auth_password_permit_null, true, "Set to false to disable null passwords.");
 
-inline constexpr std::string_view default_password_regex = ".+";
+constexpr std::string_view default_password_regex = ".+";
 // NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
 DEFINE_string(auth_password_strength_regex, default_password_regex.data(),
               "The regular expression that should be used to match the entire "
               "entered password to ensure its strength.");
 
-namespace memgraph::auth {
-namespace {
-// Constant list of all available permissions.
-const std::vector<Permission> kPermissionsAll = {
-    Permission::MATCH,      Permission::CREATE,    Permission::MERGE,       Permission::DELETE,
-    Permission::SET,        Permission::REMOVE,    Permission::INDEX,       Permission::STATS,
-    Permission::CONSTRAINT, Permission::DUMP,      Permission::AUTH,        Permission::REPLICATION,
-    Permission::DURABILITY, Permission::READ_FILE, Permission::FREE_MEMORY, Permission::TRIGGER,
-    Permission::CONFIG,     Permission::STREAM,    Permission::MODULE_READ, Permission::MODULE_WRITE,
-    Permission::WEBSOCKET};
-}  // namespace
+namespace auth {
 
 std::string PermissionToString(Permission permission) {
   switch (permission) {
@@ -78,14 +68,6 @@ std::string PermissionToString(Permission permission) {
       return "AUTH";
     case Permission::STREAM:
       return "STREAM";
-    case Permission::MODULE_READ:
-      return "MODULE_READ";
-    case Permission::MODULE_WRITE:
-      return "MODULE_WRITE";
-    case Permission::WEBSOCKET:
-      return "WEBSOCKET";
-    case Permission::LABELS:
-      return "LABELS";
   }
 }
 
@@ -185,107 +167,19 @@ bool operator==(const Permissions &first, const Permissions &second) {
 
 bool operator!=(const Permissions &first, const Permissions &second) { return !(first == second); }
 
-LabelPermissions::LabelPermissions(const std::unordered_set<std::string> &grants,
-                                   const std::unordered_set<std::string> &denies)
-    : grants_(grants), denies_(denies) {}
-
-PermissionLevel LabelPermissions::Has(const std::string &permission) const {
-  if (denies_.find(permission) != denies_.end()) {
-    return PermissionLevel::DENY;
-  }
-
-  if (grants_.find(permission) != denies_.end()) {
-    return PermissionLevel::GRANT;
-  }
-
-  return PermissionLevel::NEUTRAL;
-}
-
-void LabelPermissions::Grant(const std::string &permission) {
-  auto deniedPermissionIter = denies_.find(permission);
-
-  if (deniedPermissionIter != denies_.end()) {
-    denies_.erase(deniedPermissionIter);
-  }
-
-  if (grants_.find(permission) == grants_.end()) {
-    grants_.insert(permission);
-  }
-}
-
-void LabelPermissions::Revoke(const std::string &permission) {
-  auto deniedPermissionIter = denies_.find(permission);
-  auto grantedPermissionIter = grants_.find(permission);
-
-  if (deniedPermissionIter != denies_.end()) {
-    denies_.erase(deniedPermissionIter);
-  }
-
-  if (grantedPermissionIter != grants_.end()) {
-    grants_.erase(grantedPermissionIter);
-  }
-}
-
-void LabelPermissions::Deny(const std::string &permission) {
-  auto grantedPermissionIter = grants_.find(permission);
-
-  if (grantedPermissionIter != grants_.end()) {
-    grants_.erase(grantedPermissionIter);
-  }
-
-  if (denies_.find(permission) == denies_.end()) {
-    denies_.insert(permission);
-  }
-}
-
-std::unordered_set<std::string> LabelPermissions::GetGrants() const { return grants_; }
-
-std::unordered_set<std::string> LabelPermissions::GetDenies() const { return denies_; }
-
-nlohmann::json LabelPermissions::Serialize() const {
-  nlohmann::json data = nlohmann::json::object();
-  data["grants"] = grants_;
-  data["denies"] = denies_;
-  return data;
-}
-
-LabelPermissions LabelPermissions::Deserialize(const nlohmann::json &data) {
-  if (!data.is_object()) {
-    throw AuthException("Couldn't load permissions data!");
-  }
-
-  return {LabelPermissions(data["grants"], data["denies"])};
-}
-
-std::unordered_set<std::string> LabelPermissions::grants() const { return grants_; }
-std::unordered_set<std::string> LabelPermissions::denies() const { return denies_; }
-
-bool operator==(const LabelPermissions &first, const LabelPermissions &second) {
-  return first.grants() == second.grants() && first.denies() == second.denies();
-}
-
-bool operator!=(const LabelPermissions &first, const LabelPermissions &second) { return !(first == second); }
-
 Role::Role(const std::string &rolename) : rolename_(utils::ToLowerCase(rolename)) {}
 
 Role::Role(const std::string &rolename, const Permissions &permissions)
     : rolename_(utils::ToLowerCase(rolename)), permissions_(permissions) {}
 
-Role::Role(const std::string &rolename, const Permissions &permissions, const LabelPermissions &labelPermissions)
-    : rolename_(utils::ToLowerCase(rolename)), permissions_(permissions), labelPermissions_(labelPermissions) {}
-
 const std::string &Role::rolename() const { return rolename_; }
 const Permissions &Role::permissions() const { return permissions_; }
 Permissions &Role::permissions() { return permissions_; }
 
-LabelPermissions &Role::labelPermissions() { return labelPermissions_; }
-
 nlohmann::json Role::Serialize() const {
   nlohmann::json data = nlohmann::json::object();
   data["rolename"] = rolename_;
   data["permissions"] = permissions_.Serialize();
-  data["labelPermissions"] = labelPermissions_.Serialize();
-
   return data;
 }
 
@@ -297,9 +191,7 @@ Role Role::Deserialize(const nlohmann::json &data) {
     throw AuthException("Couldn't load role data!");
   }
   auto permissions = Permissions::Deserialize(data["permissions"]);
-  auto labelPermissions = LabelPermissions::Deserialize(data["labelPermissions"]);
-
-  return {data["rolename"], permissions, labelPermissions};
+  return {data["rolename"], permissions};
 }
 
 bool operator==(const Role &first, const Role &second) {
@@ -311,13 +203,6 @@ User::User(const std::string &username) : username_(utils::ToLowerCase(username)
 User::User(const std::string &username, const std::string &password_hash, const Permissions &permissions)
     : username_(utils::ToLowerCase(username)), password_hash_(password_hash), permissions_(permissions) {}
 
-User::User(const std::string &username, const std::string &password_hash, const Permissions &permissions,
-           const LabelPermissions &labelPermissions)
-    : username_(utils::ToLowerCase(username)),
-      password_hash_(password_hash),
-      permissions_(permissions),
-      labelPermissions_(labelPermissions) {}
-
 bool User::CheckPassword(const std::string &password) {
   if (password_hash_.empty()) return true;
   return VerifyPassword(password, password_hash_);
@@ -370,8 +255,6 @@ const std::string &User::username() const { return username_; }
 const Permissions &User::permissions() const { return permissions_; }
 Permissions &User::permissions() { return permissions_; }
 
-LabelPermissions &User::labelPermissions() { return labelPermissions_; }
-
 const Role *User::role() const {
   if (role_.has_value()) {
     return &role_.value();
@@ -384,7 +267,6 @@ nlohmann::json User::Serialize() const {
   data["username"] = username_;
   data["password_hash"] = password_hash_;
   data["permissions"] = permissions_.Serialize();
-  data["labelPermissions"] = labelPermissions_.Serialize();
   // The role shouldn't be serialized here, it is stored as a foreign key.
   return data;
 }
@@ -397,14 +279,11 @@ User User::Deserialize(const nlohmann::json &data) {
     throw AuthException("Couldn't load user data!");
   }
   auto permissions = Permissions::Deserialize(data["permissions"]);
-  auto labelPermissions = LabelPermissions::Deserialize(data["labelPermissions"]);
-
-  return {data["username"], data["password_hash"], permissions, labelPermissions};
+  return {data["username"], data["password_hash"], permissions};
 }
 
 bool operator==(const User &first, const User &second) {
   return first.username_ == second.username_ && first.password_hash_ == second.password_hash_ &&
          first.permissions_ == second.permissions_ && first.role_ == second.role_;
 }
-
-}  // namespace memgraph::auth
+}  // namespace auth

src/auth/models.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Licensed as a Memgraph Enterprise file under the Memgraph Enterprise
 // License (the "License"); by using this file, you agree to be bound by the terms of the License, and you may not use
@@ -12,38 +12,42 @@
 #include <string>
 
 #include <json/json.hpp>
-#include <unordered_set>
 
-namespace memgraph::auth {
+namespace auth {
+
 // These permissions must have values that are applicable for usage in a
 // bitmask.
 // clang-format off
 enum class Permission : uint64_t {
-  MATCH        = 1,
-  CREATE       = 1U << 1U,
-  MERGE        = 1U << 2U,
-  DELETE       = 1U << 3U,
-  SET          = 1U << 4U,
-  REMOVE       = 1U << 5U,
-  INDEX        = 1U << 6U,
-  STATS        = 1U << 7U,
-  CONSTRAINT   = 1U << 8U,
-  DUMP         = 1U << 9U,
-  REPLICATION  = 1U << 10U,
-  DURABILITY   = 1U << 11U,
-  READ_FILE    = 1U << 12U,
-  FREE_MEMORY  = 1U << 13U,
-  TRIGGER      = 1U << 14U,
-  CONFIG       = 1U << 15U,
-  AUTH         = 1U << 16U,
-  STREAM       = 1U << 17U,
-  MODULE_READ  = 1U << 18U,
-  MODULE_WRITE = 1U << 19U,
-  WEBSOCKET    = 1U << 20U,
-  LABELS       = 1U << 21U
+  MATCH       = 1,
+  CREATE      = 1U << 1U,
+  MERGE       = 1U << 2U,
+  DELETE      = 1U << 3U,
+  SET         = 1U << 4U,
+  REMOVE      = 1U << 5U,
+  INDEX       = 1U << 6U,
+  STATS       = 1U << 7U,
+  CONSTRAINT  = 1U << 8U,
+  DUMP        = 1U << 9U,
+  REPLICATION = 1U << 10U,
+  DURABILITY  = 1U << 11U,
+  READ_FILE   = 1U << 12U,
+  FREE_MEMORY = 1U << 13U,
+  TRIGGER     = 1U << 14U,
+  CONFIG      = 1U << 15U,
+  AUTH        = 1U << 16U,
+  STREAM      = 1U << 17U
 };
 // clang-format on
 
+// Constant list of all available permissions.
+const std::vector<Permission> kPermissionsAll = {Permission::MATCH,      Permission::CREATE,    Permission::MERGE,
+                                                 Permission::DELETE,     Permission::SET,       Permission::REMOVE,
+                                                 Permission::INDEX,      Permission::STATS,     Permission::CONSTRAINT,
+                                                 Permission::DUMP,       Permission::AUTH,      Permission::REPLICATION,
+                                                 Permission::DURABILITY, Permission::READ_FILE, Permission::FREE_MEMORY,
+                                                 Permission::TRIGGER,    Permission::CONFIG,    Permission::STREAM};
+
 // Function that converts a permission to its string representation.
 std::string PermissionToString(Permission permission);
 
@@ -90,52 +94,16 @@ bool operator==(const Permissions &first, const Permissions &second);
 
 bool operator!=(const Permissions &first, const Permissions &second);
 
-class LabelPermissions final {
- public:
-  LabelPermissions(const std::unordered_set<std::string> &grants = {},
-                   const std::unordered_set<std::string> &denies = {});
-
-  PermissionLevel Has(const std::string &permission) const;
-
-  void Grant(const std::string &permission);
-
-  void Revoke(const std::string &permission);
-
-  void Deny(const std::string &permission);
-
-  std::unordered_set<std::string> GetGrants() const;
-  std::unordered_set<std::string> GetDenies() const;
-
-  nlohmann::json Serialize() const;
-
-  /// @throw AuthException if unable to deserialize.
-  static LabelPermissions Deserialize(const nlohmann::json &data);
-
-  std::unordered_set<std::string> grants() const;
-  std::unordered_set<std::string> denies() const;
-
- private:
-  std::unordered_set<std::string> grants_{};
-  std::unordered_set<std::string> denies_{};
-};
-
-bool operator==(const LabelPermissions &first, const LabelPermissions &second);
-
-bool operator!=(const LabelPermissions &first, const LabelPermissions &second);
 class Role final {
  public:
   Role(const std::string &rolename);
 
   Role(const std::string &rolename, const Permissions &permissions);
 
-  Role(const std::string &rolename, const Permissions &permissions, const LabelPermissions &labelPermissions);
-
   const std::string &rolename() const;
   const Permissions &permissions() const;
   Permissions &permissions();
 
-  LabelPermissions &labelPermissions();
-
   nlohmann::json Serialize() const;
 
   /// @throw AuthException if unable to deserialize.
@@ -146,7 +114,6 @@ class Role final {
  private:
   std::string rolename_;
   Permissions permissions_;
-  LabelPermissions labelPermissions_;
 };
 
 bool operator==(const Role &first, const Role &second);
@@ -158,9 +125,6 @@ class User final {
 
   User(const std::string &username, const std::string &password_hash, const Permissions &permissions);
 
-  User(const std::string &username, const std::string &password_hash, const Permissions &permissions,
-       const LabelPermissions &labelPermissions);
-
   /// @throw AuthException if unable to verify the password.
   bool CheckPassword(const std::string &password);
 
@@ -180,8 +144,6 @@ class User final {
 
   const Role *role() const;
 
-  LabelPermissions &labelPermissions();
-
   nlohmann::json Serialize() const;
 
   /// @throw AuthException if unable to deserialize.
@@ -194,9 +156,7 @@ class User final {
   std::string password_hash_;
   Permissions permissions_;
   std::optional<Role> role_;
-  LabelPermissions labelPermissions_;
 };
 
 bool operator==(const User &first, const User &second);
-
-}  // namespace memgraph::auth
+}  // namespace auth

src/auth/module.cpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Licensed as a Memgraph Enterprise file under the Memgraph Enterprise
 // License (the "License"); by using this file, you agree to be bound by the terms of the License, and you may not use
@@ -153,7 +153,7 @@ int Target(void *arg) {
   // process and something really bad could happen.
 
   // Get a pointer to the passed arguments.
-  auto *ta = reinterpret_cast<memgraph::auth::TargetArguments *>(arg);
+  auto *ta = reinterpret_cast<auth::TargetArguments *>(arg);
 
   // Redirect `stdin` to `/dev/null`.
   int fd = open("/dev/null", O_RDONLY | O_CLOEXEC);
@@ -312,7 +312,8 @@ nlohmann::json GetData(int fd, int timeout_millisec) {
 
 }  // namespace
 
-namespace memgraph::auth {
+namespace auth {
+
 Module::Module(const std::filesystem::path &module_executable_path) {
   if (!module_executable_path.empty()) {
     module_executable_path_ = std::filesystem::absolute(module_executable_path);
@@ -446,4 +447,4 @@ void Module::Shutdown() {
 
 Module::~Module() { Shutdown(); }
 
-}  // namespace memgraph::auth
+}  // namespace auth

src/auth/module.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Licensed as a Memgraph Enterprise file under the Memgraph Enterprise
 // License (the "License"); by using this file, you agree to be bound by the terms of the License, and you may not use
@@ -16,7 +16,8 @@
 
 #include <json/json.hpp>
 
-namespace memgraph::auth {
+namespace auth {
+
 struct TargetArguments {
   std::filesystem::path module_executable_path;
   int pipe_to_module{-1};
@@ -69,4 +70,4 @@ class Module final {
   int pipe_from_module_[2] = {-1, -1};
 };
 
-}  // namespace memgraph::auth
+}  // namespace auth

src/auth/reference_modules/ldap.py

@@ -18,24 +18,19 @@ roles_config = config["roles"]
 # Initialize LDAP server.
 tls = None
 if server_config["encryption"] != "disabled":
-    cert_file = server_config["cert_file"] if server_config["cert_file"] else None
+    cert_file = server_config["cert_file"] if server_config["cert_file"] \
+        else None
     key_file = server_config["key_file"] if server_config["key_file"] else None
     ca_file = server_config["ca_file"] if server_config["ca_file"] else None
-    validate = ssl.CERT_REQUIRED if server_config["validate_cert"] else ssl.CERT_NONE
-    tls = ldap3.Tls(
-        local_private_key_file=key_file,
-        local_certificate_file=cert_file,
-        ca_certs_file=ca_file,
-        validate=validate,
-    )
+    validate = ssl.CERT_REQUIRED if server_config["validate_cert"] \
+        else ssl.CERT_NONE
+    tls = ldap3.Tls(local_private_key_file=key_file,
+                    local_certificate_file=cert_file,
+                    ca_certs_file=ca_file,
+                    validate=validate)
 use_ssl = server_config["encryption"] == "ssl"
-server = ldap3.Server(
-    server_config["host"],
-    port=server_config["port"],
-    tls=tls,
-    use_ssl=use_ssl,
-    get_info=ldap3.ALL,
-)
+server = ldap3.Server(server_config["host"], port=server_config["port"],
+                      tls=tls, use_ssl=use_ssl, get_info=ldap3.ALL)
 
 
 # Main authentication/authorization function.
@@ -45,12 +40,14 @@ def authenticate(username, password):
         return {"authenticated": False, "role": ""}
 
     # Create the DN of the user
-    dn = users_config["prefix"] + ldap3.utils.dn.escape_rdn(username) + users_config["suffix"]
+    dn = users_config["prefix"] + ldap3.utils.dn.escape_rdn(username) + \
+        users_config["suffix"]
 
     # Bind to the server
     conn = ldap3.Connection(server, dn, password)
     if server_config["encryption"] == "starttls" and not conn.start_tls():
-        print("ERROR: Couldn't issue STARTTLS to the LDAP server!", file=sys.stderr)
+        print("ERROR: Couldn't issue STARTTLS to the LDAP server!",
+              file=sys.stderr)
         return {"authenticated": False, "role": ""}
     if not conn.bind():
         return {"authenticated": False, "role": ""}
@@ -59,32 +56,25 @@ def authenticate(username, password):
     if roles_config["root_dn"] != "":
         # search for role
         search_filter = "(&(objectclass={objclass})({attr}={value}))".format(
-            objclass=roles_config["root_objectclass"],
-            attr=roles_config["user_attribute"],
-            value=ldap3.utils.conv.escape_filter_chars(dn),
-        )
-        succ = conn.search(
-            roles_config["root_dn"],
-            search_filter,
-            search_scope=ldap3.LEVEL,
-            attributes=[roles_config["role_attribute"]],
-        )
+                objclass=roles_config["root_objectclass"],
+                attr=roles_config["user_attribute"],
+                value=ldap3.utils.conv.escape_filter_chars(dn))
+        succ = conn.search(roles_config["root_dn"], search_filter,
+                           search_scope=ldap3.LEVEL,
+                           attributes=[roles_config["role_attribute"]])
         if not succ or len(conn.entries) == 0:
             return {"authenticated": True, "role": ""}
         if len(conn.entries) > 1:
-            roles = list(map(lambda x: x[roles_config["role_attribute"]].value, conn.entries))
+            roles = list(map(lambda x: x[roles_config["role_attribute"]].value,
+                             conn.entries))
             # Because we don't know exactly which role the user should have
             # we authorize the user with an empty role.
-            print(
-                "WARNING: Found more than one role for " "user '" + username + "':",
-                ", ".join(roles) + "!",
-                file=sys.stderr,
-            )
+            print("WARNING: Found more than one role for "
+                  "user '" + username + "':", ", ".join(roles) + "!",
+                  file=sys.stderr)
             return {"authenticated": True, "role": ""}
-        return {
-            "authenticated": True,
-            "role": conn.entries[0][roles_config["role_attribute"]].value,
-        }
+        return {"authenticated": True,
+                "role": conn.entries[0][roles_config["role_attribute"]].value}
     else:
         return {"authenticated": True, "role": ""}
 

src/communication/CMakeLists.txt

@@ -2,10 +2,6 @@ find_package(fmt REQUIRED)
 find_package(gflags REQUIRED)
 
 set(communication_src_files
-    websocket/auth.cpp
-    websocket/server.cpp
-    websocket/listener.cpp
-    websocket/session.cpp
     bolt/v1/value.cpp
     buffer.cpp
     client.cpp
@@ -13,10 +9,8 @@ set(communication_src_files
     helpers.cpp
     init.cpp)
 
-find_package(Boost REQUIRED)
-
 add_library(mg-communication STATIC ${communication_src_files})
-target_link_libraries(mg-communication Boost::headers Threads::Threads mg-utils mg-io mg-auth fmt::fmt gflags)
+target_link_libraries(mg-communication Threads::Threads mg-utils mg-io fmt::fmt gflags)
 
 find_package(OpenSSL REQUIRED)
 target_link_libraries(mg-communication ${OPENSSL_LIBRARIES})

src/communication/bolt/client.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Use of this software is governed by the Business Source License
 // included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@@ -21,7 +21,7 @@
 #include "utils/exceptions.hpp"
 #include "utils/logging.hpp"
 
-namespace memgraph::communication::bolt {
+namespace communication::bolt {
 
 /// This exception is thrown whenever an error occurs during query execution
 /// that isn't fatal (eg. mistyped query or some transient error occurred).
@@ -315,4 +315,4 @@ class Client final {
   ChunkedEncoderBuffer<communication::ClientOutputStream> encoder_buffer_{output_stream_};
   ClientEncoder<ChunkedEncoderBuffer<communication::ClientOutputStream>> encoder_{encoder_buffer_};
 };
-}  // namespace memgraph::communication::bolt
+}  // namespace communication::bolt

src/communication/bolt/v1/codes.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Use of this software is governed by the Business Source License
 // included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@@ -13,10 +13,10 @@
 
 #include <cstdint>
 
-namespace memgraph::communication::bolt {
+namespace communication::bolt {
 
-inline constexpr uint8_t kPreamble[4] = {0x60, 0x60, 0xB0, 0x17};
-inline constexpr uint8_t kProtocol[4] = {0x00, 0x00, 0x00, 0x01};
+static constexpr uint8_t kPreamble[4] = {0x60, 0x60, 0xB0, 0x17};
+static constexpr uint8_t kProtocol[4] = {0x00, 0x00, 0x00, 0x01};
 
 enum class Signature : uint8_t {
   Noop = 0x00,
@@ -95,9 +95,9 @@ enum class Marker : uint8_t {
   Struct16 = 0xDD,
 };
 
-inline constexpr uint8_t MarkerString = 0, MarkerList = 1, MarkerMap = 2;
-inline constexpr Marker MarkerTiny[3] = {Marker::TinyString, Marker::TinyList, Marker::TinyMap};
-inline constexpr Marker Marker8[3] = {Marker::String8, Marker::List8, Marker::Map8};
-inline constexpr Marker Marker16[3] = {Marker::String16, Marker::List16, Marker::Map16};
-inline constexpr Marker Marker32[3] = {Marker::String32, Marker::List32, Marker::Map32};
-}  // namespace memgraph::communication::bolt
+static constexpr uint8_t MarkerString = 0, MarkerList = 1, MarkerMap = 2;
+static constexpr Marker MarkerTiny[3] = {Marker::TinyString, Marker::TinyList, Marker::TinyMap};
+static constexpr Marker Marker8[3] = {Marker::String8, Marker::List8, Marker::Map8};
+static constexpr Marker Marker16[3] = {Marker::String16, Marker::List16, Marker::Map16};
+static constexpr Marker Marker32[3] = {Marker::String32, Marker::List32, Marker::Map32};
+}  // namespace communication::bolt

src/communication/bolt/v1/constants.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Use of this software is governed by the Business Source License
 // included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@@ -14,22 +14,22 @@
 #include <cstddef>
 #include <cstdint>
 
-namespace memgraph::communication::bolt {
+namespace communication::bolt {
 
 /**
  * Sizes related to the chunk defined in Bolt protocol.
  */
-inline constexpr size_t kChunkHeaderSize = 2;
-inline constexpr size_t kChunkMaxDataSize = 65535;
-inline constexpr size_t kChunkWholeSize = kChunkHeaderSize + kChunkMaxDataSize;
+static constexpr size_t kChunkHeaderSize = 2;
+static constexpr size_t kChunkMaxDataSize = 65535;
+static constexpr size_t kChunkWholeSize = kChunkHeaderSize + kChunkMaxDataSize;
 
 /**
  * Handshake size defined in the Bolt protocol.
  */
-inline constexpr size_t kHandshakeSize = 20;
+static constexpr size_t kHandshakeSize = 20;
 
-inline constexpr uint16_t kSupportedVersions[] = {0x0100, 0x0400, 0x0401, 0x0403};
+static constexpr uint16_t kSupportedVersions[] = {0x0100, 0x0400, 0x0401, 0x0403};
 
-inline constexpr int kPullAll = -1;
-inline constexpr int kPullLast = -1;
-}  // namespace memgraph::communication::bolt
+static constexpr int kPullAll = -1;
+static constexpr int kPullLast = -1;
+}  // namespace communication::bolt

src/communication/bolt/v1/decoder/chunked_decoder_buffer.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Use of this software is governed by the Business Source License
 // included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@@ -20,7 +20,7 @@
 
 #include "communication/bolt/v1/constants.hpp"
 
-namespace memgraph::communication::bolt {
+namespace communication::bolt {
 
 /**
  * This class is used as the return value of the GetChunk function of the
@@ -136,4 +136,4 @@ class ChunkedDecoderBuffer {
   std::vector<uint8_t> data_;
   size_t pos_{0};
 };
-}  // namespace memgraph::communication::bolt
+}  // namespace communication::bolt

src/communication/bolt/v1/decoder/decoder.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Use of this software is governed by the Business Source License
 // included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@@ -22,7 +22,7 @@
 #include "utils/logging.hpp"
 #include "utils/temporal.hpp"
 
-namespace memgraph::communication::bolt {
+namespace communication::bolt {
 
 /**
  * Bolt Decoder.
@@ -591,4 +591,4 @@ class Decoder {
     return true;
   }
 };
-}  // namespace memgraph::communication::bolt
+}  // namespace communication::bolt

src/communication/bolt/v1/encoder/base_encoder.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Use of this software is governed by the Business Source License
 // included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@@ -22,7 +22,7 @@ static_assert(std::is_same_v<std::uint8_t, char> || std::is_same_v<std::uint8_t,
               "communication::bolt::Encoder requires uint8_t to be "
               "implemented as char or unsigned char.");
 
-namespace memgraph::communication::bolt {
+namespace communication::bolt {
 
 /**
  * Bolt BaseEncoder. Has public interfaces for writing Bolt encoded data.
@@ -273,4 +273,4 @@ class BaseEncoder {
   }
 };
 
-}  // namespace memgraph::communication::bolt
+}  // namespace communication::bolt

src/communication/bolt/v1/encoder/chunked_encoder_buffer.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Use of this software is governed by the Business Source License
 // included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@@ -18,7 +18,7 @@
 
 #include "communication/bolt/v1/constants.hpp"
 
-namespace memgraph::communication::bolt {
+namespace communication::bolt {
 
 /**
  * @brief ChunkedEncoderBuffer
@@ -123,4 +123,4 @@ class ChunkedEncoderBuffer {
   // Amount of data in chunk array.
   size_t have_{0};
 };
-}  // namespace memgraph::communication::bolt
+}  // namespace communication::bolt

src/communication/bolt/v1/encoder/client_encoder.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Use of this software is governed by the Business Source License
 // included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@@ -14,7 +14,7 @@
 #include "communication/bolt/v1/codes.hpp"
 #include "communication/bolt/v1/encoder/base_encoder.hpp"
 
-namespace memgraph::communication::bolt {
+namespace communication::bolt {
 
 /**
  * Bolt Client Encoder.
@@ -169,4 +169,4 @@ class ClientEncoder : private BaseEncoder<Buffer> {
     return buffer_.Flush();
   }
 };
-}  // namespace memgraph::communication::bolt
+}  // namespace communication::bolt

src/communication/bolt/v1/encoder/encoder.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Use of this software is governed by the Business Source License
 // included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@@ -14,7 +14,7 @@
 #include "communication/bolt/v1/codes.hpp"
 #include "communication/bolt/v1/encoder/base_encoder.hpp"
 
-namespace memgraph::communication::bolt {
+namespace communication::bolt {
 
 /**
  * Bolt Encoder.
@@ -158,4 +158,4 @@ class Encoder : private BaseEncoder<Buffer> {
     return buffer_.Flush();
   }
 };
-}  // namespace memgraph::communication::bolt
+}  // namespace communication::bolt

src/communication/bolt/v1/exceptions.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Use of this software is governed by the Business Source License
 // included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@@ -17,7 +17,7 @@
 
 #include "utils/exceptions.hpp"
 
-namespace memgraph::communication::bolt {
+namespace communication::bolt {
 
 /**
  * Used to indicate something is wrong with the client but the transaction is
@@ -83,4 +83,4 @@ class VerboseError : public utils::BasicException {
   std::string code_;
 };
 
-}  // namespace memgraph::communication::bolt
+}  // namespace communication::bolt

src/communication/bolt/v1/session.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Use of this software is governed by the Business Source License
 // included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@@ -27,7 +27,7 @@
 #include "utils/exceptions.hpp"
 #include "utils/logging.hpp"
 
-namespace memgraph::communication::bolt {
+namespace communication::bolt {
 
 /**
  * Bolt Session Exception
@@ -195,4 +195,4 @@ class Session {
   }
 };
 
-}  // namespace memgraph::communication::bolt
+}  // namespace communication::bolt

src/communication/bolt/v1/state.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Use of this software is governed by the Business Source License
 // included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@@ -13,7 +13,7 @@
 
 #include <cstdint>
 
-namespace memgraph::communication::bolt {
+namespace communication::bolt {
 
 /**
  * This class represents states in execution of the Bolt protocol.
@@ -55,4 +55,4 @@ enum class State : uint8_t {
    */
   Close
 };
-}  // namespace memgraph::communication::bolt
+}  // namespace communication::bolt

src/communication/bolt/v1/states/error.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Use of this software is governed by the Business Source License
 // included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@@ -20,7 +20,7 @@
 #include "utils/likely.hpp"
 #include "utils/logging.hpp"
 
-namespace memgraph::communication::bolt {
+namespace communication::bolt {
 
 /**
  * Error state run function
@@ -95,4 +95,4 @@ State StateErrorRun(TSession &session, State state) {
     return state;
   }
 }
-}  // namespace memgraph::communication::bolt
+}  // namespace communication::bolt

src/communication/bolt/v1/states/executing.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Use of this software is governed by the Business Source License
 // included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@@ -26,7 +26,7 @@
 #include "utils/logging.hpp"
 #include "utils/message.hpp"
 
-namespace memgraph::communication::bolt {
+namespace communication::bolt {
 
 template <typename TSession>
 State RunHandlerV1(Signature signature, TSession &session, State state, Marker marker) {
@@ -118,4 +118,4 @@ State StateExecutingRun(TSession &session, State state) {
       return State::Close;
   }
 }
-}  // namespace memgraph::communication::bolt
+}  // namespace communication::bolt

src/communication/bolt/v1/states/handlers.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Use of this software is governed by the Business Source License
 // included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@@ -24,7 +24,7 @@
 #include "utils/logging.hpp"
 #include "utils/message.hpp"
 
-namespace memgraph::communication::bolt {
+namespace communication::bolt {
 // TODO: Revise these error messages
 inline std::pair<std::string, std::string> ExceptionToErrorMessage(const std::exception &e) {
   if (const auto *verbose = dynamic_cast<const VerboseError *>(&e)) {
@@ -415,4 +415,4 @@ State HandleRoute(TSession &session) {
   }
   return State::Error;
 }
-}  // namespace memgraph::communication::bolt
+}  // namespace communication::bolt

src/communication/bolt/v1/states/handshake.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Use of this software is governed by the Business Source License
 // included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@@ -22,7 +22,7 @@
 #include "utils/likely.hpp"
 #include "utils/logging.hpp"
 
-namespace memgraph::communication::bolt {
+namespace communication::bolt {
 
 inline bool CopyProtocolInformationIfSupported(uint16_t version, uint8_t *protocol) {
   const auto *supported_version = std::find(std::begin(kSupportedVersions), std::end(kSupportedVersions), version);
@@ -110,4 +110,4 @@ State StateHandshakeRun(TSession &session) {
 
   return State::Init;
 }
-}  // namespace memgraph::communication::bolt
+}  // namespace communication::bolt

src/communication/bolt/v1/states/init.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Use of this software is governed by the Business Source License
 // included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@@ -21,7 +21,7 @@
 #include "utils/likely.hpp"
 #include "utils/logging.hpp"
 
-namespace memgraph::communication::bolt {
+namespace communication::bolt {
 
 namespace details {
 template <typename TSession>
@@ -212,4 +212,4 @@ State StateInitRun(TSession &session) {
   spdlog::trace("Unsupported bolt version:{}.{})!", session.version_.major, session.version_.minor);
   return State::Close;
 }
-}  // namespace memgraph::communication::bolt
+}  // namespace communication::bolt

src/communication/bolt/v1/value.cpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Use of this software is governed by the Business Source License
 // included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@@ -14,7 +14,7 @@
 #include "utils/algorithm.hpp"
 #include "utils/string.hpp"
 
-namespace memgraph::communication::bolt {
+namespace communication::bolt {
 
 #define DEF_GETTER_BY_VAL(type, value_type, field)   \
   value_type &Value::Value##type() {                 \
@@ -461,4 +461,4 @@ std::ostream &operator<<(std::ostream &os, const Value::Type type) {
       return os << "duration";
   }
 }
-}  // namespace memgraph::communication::bolt
+}  // namespace communication::bolt

src/communication/bolt/v1/value.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Use of this software is governed by the Business Source License
 // included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@@ -20,7 +20,7 @@
 #include "utils/exceptions.hpp"
 #include "utils/temporal.hpp"
 
-namespace memgraph::communication::bolt {
+namespace communication::bolt {
 
 /** Forward declaration of Value class. */
 class Value;
@@ -282,4 +282,4 @@ std::ostream &operator<<(std::ostream &os, const UnboundedEdge &edge);
 std::ostream &operator<<(std::ostream &os, const Path &path);
 std::ostream &operator<<(std::ostream &os, const Value &value);
 std::ostream &operator<<(std::ostream &os, const Value::Type type);
-}  // namespace memgraph::communication::bolt
+}  // namespace communication::bolt

src/communication/buffer.cpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Use of this software is governed by the Business Source License
 // included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@@ -13,7 +13,7 @@
 
 #include "utils/logging.hpp"
 
-namespace memgraph::communication {
+namespace communication {
 
 Buffer::Buffer() : data_(kBufferInitialSize, 0), read_end_(this), write_end_(this) {}
 
@@ -77,4 +77,4 @@ void Buffer::Resize(size_t len) {
 
 void Buffer::Clear() { have_ = 0; }
 
-}  // namespace memgraph::communication
+}  // namespace communication

src/communication/buffer.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Use of this software is governed by the Business Source License
 // included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@@ -15,7 +15,7 @@
 
 #include "io/network/stream_buffer.hpp"
 
-namespace memgraph::communication {
+namespace communication {
 
 /**
  * @brief Buffer
@@ -171,4 +171,4 @@ class Buffer final {
   ReadEnd read_end_;
   WriteEnd write_end_;
 };
-}  // namespace memgraph::communication
+}  // namespace communication

src/communication/client.cpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Use of this software is governed by the Business Source License
 // included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@@ -14,7 +14,7 @@
 #include "communication/helpers.hpp"
 #include "utils/logging.hpp"
 
-namespace memgraph::communication {
+namespace communication {
 
 Client::Client(ClientContext *context) : context_(context) {}
 
@@ -239,4 +239,4 @@ bool ClientOutputStream::Write(const uint8_t *data, size_t len, bool have_more)
 }
 bool ClientOutputStream::Write(const std::string &str, bool have_more) { return client_.Write(str, have_more); }
 
-}  // namespace memgraph::communication
+}  // namespace communication

src/communication/client.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Use of this software is governed by the Business Source License
 // included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@@ -21,14 +21,14 @@
 #include "io/network/endpoint.hpp"
 #include "io/network/socket.hpp"
 
-namespace memgraph::communication {
+namespace communication {
 
 /**
  * This class implements a generic network Client.
  * It uses blocking sockets and provides an API that can be used to receive/send
  * data over the network connection.
  *
- * NOTE: If you use this client you **must** create `memgraph::communication::SSLInit`
+ * NOTE: If you use this client you **must** create `communication::SSLInit`
  * from the `main` function before using the client!
  */
 class Client final {
@@ -167,4 +167,4 @@ class ClientOutputStream final {
   Client &client_;
 };
 
-}  // namespace memgraph::communication
+}  // namespace communication

src/communication/context.cpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Use of this software is governed by the Business Source License
 // included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@@ -10,13 +10,10 @@
 // licenses/APL.txt.
 
 #include "communication/context.hpp"
-#include <boost/asio/ssl/context.hpp>
-#include <boost/asio/ssl/verify_mode.hpp>
-#include <boost/system/detail/error_code.hpp>
 
 #include "utils/logging.hpp"
 
-namespace memgraph::communication {
+namespace communication {
 
 ClientContext::ClientContext(bool use_ssl) : use_ssl_(use_ssl), ctx_(nullptr) {
   if (use_ssl_) {
@@ -76,66 +73,80 @@ SSL_CTX *ClientContext::context() { return ctx_; }
 
 bool ClientContext::use_ssl() { return use_ssl_; }
 
+ServerContext::ServerContext() : use_ssl_(false), ctx_(nullptr) {}
+
 ServerContext::ServerContext(const std::string &key_file, const std::string &cert_file, const std::string &ca_file,
-                             bool verify_peer) {
-  namespace ssl = boost::asio::ssl;
-  ctx_.emplace(ssl::context::tls_server);
-  // NOLINTNEXTLINE(hicpp-signed-bitwise)
-  ctx_->set_options(ssl::context::default_workarounds | ssl::context::no_sslv2 | ssl::context::no_sslv3 |
-                    ssl::context::single_dh_use);
-  ctx_->set_default_verify_paths();
-  // TODO: add support for encrypted private keys
-  // TODO: add certificate revocation list (CRL)
-  boost::system::error_code ec;
-  ctx_->use_certificate_chain_file(cert_file, ec);
-  MG_ASSERT(!ec, "Couldn't load server certificate from file: {}", cert_file);
-  ctx_->use_private_key_file(key_file, ssl::context::pem, ec);
-  MG_ASSERT(!ec, "Couldn't load server private key from file: {}", key_file);
+                             bool verify_peer)
+    : use_ssl_(true),
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
+      ctx_(SSL_CTX_new(SSLv23_server_method()))
+#else
+      ctx_(SSL_CTX_new(TLS_server_method()))
+#endif
+{
+  // TODO (mferencevic): add support for encrypted private keys
+  // TODO (mferencevic): add certificate revocation list (CRL)
+  MG_ASSERT(SSL_CTX_use_certificate_file(ctx_, cert_file.c_str(), SSL_FILETYPE_PEM) == 1,
+            "Couldn't load server certificate from file: {}", cert_file);
+  MG_ASSERT(SSL_CTX_use_PrivateKey_file(ctx_, key_file.c_str(), SSL_FILETYPE_PEM) == 1,
+            "Couldn't load server private key from file: {}", key_file);
 
-  ctx_->set_options(SSL_OP_NO_SSLv3, ec);
-  MG_ASSERT(!ec, "Setting options to SSL context failed!");
+  // Disable legacy SSL support. Other options can be seen here:
+  // https://www.openssl.org/docs/man1.0.2/ssl/SSL_CTX_set_options.html
+  SSL_CTX_set_options(ctx_, SSL_OP_NO_SSLv3);
 
-  if (!ca_file.empty()) {
+  if (ca_file != "") {
     // Load the certificate authority file.
-    boost::system::error_code ec;
-    ctx_->load_verify_file(ca_file, ec);
-    MG_ASSERT(!ec, "Couldn't load certificate authority from file: {}", ca_file);
+    MG_ASSERT(SSL_CTX_load_verify_locations(ctx_, ca_file.c_str(), nullptr) == 1,
+              "Couldn't load certificate authority from file: {}", ca_file);
 
     if (verify_peer) {
+      // Add the CA to list of accepted CAs that is sent to the client.
+      STACK_OF(X509_NAME) *ca_names = SSL_load_client_CA_file(ca_file.c_str());
+      MG_ASSERT(ca_names != nullptr, "Couldn't load certificate authority from file: {}", ca_file);
+      // `ca_names` doesn' need to be free'd because we pass it to
+      // `SSL_CTX_set_client_CA_list`:
+      // https://mta.openssl.org/pipermail/openssl-users/2015-May/001363.html
+      SSL_CTX_set_client_CA_list(ctx_, ca_names);
+
       // Enable verification of the client certificate.
-      // NOLINTNEXTLINE(hicpp-signed-bitwise)
-      ctx_->set_verify_mode(ssl::verify_peer | ssl::verify_fail_if_no_peer_cert, ec);
-      MG_ASSERT(!ec, "Setting SSL verification mode failed!");
+      SSL_CTX_set_verify(ctx_, SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT, nullptr);
     }
   }
 }
 
-ServerContext::ServerContext(ServerContext &&other) noexcept { std::swap(ctx_, other.ctx_); }
+ServerContext::ServerContext(ServerContext &&other) noexcept : use_ssl_(other.use_ssl_), ctx_(other.ctx_) {
+  other.use_ssl_ = false;
+  other.ctx_ = nullptr;
+}
 
 ServerContext &ServerContext::operator=(ServerContext &&other) noexcept {
   if (this == &other) return *this;
 
+  // destroy my objects
+  if (use_ssl_) {
+    SSL_CTX_free(ctx_);
+  }
+
   // move other objects to self
-  ctx_ = std::move(other.ctx_);
+  use_ssl_ = other.use_ssl_;
+  ctx_ = other.ctx_;
 
   // reset other objects
-  other.ctx_.reset();
+  other.use_ssl_ = false;
+  other.ctx_ = nullptr;
 
   return *this;
 }
 
-ServerContext::~ServerContext() {}
-
-SSL_CTX *ServerContext::context() {
-  MG_ASSERT(ctx_);
-  return ctx_->native_handle();
+ServerContext::~ServerContext() {
+  if (use_ssl_) {
+    SSL_CTX_free(ctx_);
+  }
 }
 
-boost::asio::ssl::context &ServerContext::context_clone() {
-  MG_ASSERT(ctx_);
-  return *ctx_;
-}
+SSL_CTX *ServerContext::context() { return ctx_; }
 
-bool ServerContext::use_ssl() const { return ctx_.has_value(); }
+bool ServerContext::use_ssl() { return use_ssl_; }
 
-}  // namespace memgraph::communication
+}  // namespace communication

src/communication/context.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Use of this software is governed by the Business Source License
 // included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@@ -11,13 +11,11 @@
 
 #pragma once
 
-#include <optional>
 #include <string>
 
 #include <openssl/ssl.h>
-#include <boost/asio/ssl/context.hpp>
 
-namespace memgraph::communication {
+namespace communication {
 
 /**
  * This class represents a context that should be used with network clients. One
@@ -71,7 +69,11 @@ class ClientContext final {
  */
 class ServerContext final {
  public:
-  ServerContext() = default;
+  /**
+   * This constructor constructs a ServerContext that doesn't use SSL.
+   */
+  ServerContext();
+
   /**
    * This constructor constructs a ServerContext that uses SSL. The parameters
    * `key_file` and `cert_file` can't be "" because when setting up a server it
@@ -93,15 +95,16 @@ class ServerContext final {
   ServerContext(ServerContext &&other) noexcept;
   ServerContext &operator=(ServerContext &&other) noexcept;
 
+  // Destructor that handles ownership of the SSL object.
   ~ServerContext();
 
   SSL_CTX *context();
-  boost::asio::ssl::context &context_clone();
 
-  bool use_ssl() const;
+  bool use_ssl();
 
  private:
-  std::optional<boost::asio::ssl::context> ctx_;
+  bool use_ssl_;
+  SSL_CTX *ctx_;
 };
 
-}  // namespace memgraph::communication
+}  // namespace communication

src/communication/exceptions.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Use of this software is governed by the Business Source License
 // included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@@ -13,7 +13,7 @@
 
 #include "utils/exceptions.hpp"
 
-namespace memgraph::communication {
+namespace communication {
 
 /**
  * This exception is thrown to indicate to the communication stack that the
@@ -22,4 +22,4 @@ namespace memgraph::communication {
 class SessionClosedException : public utils::BasicException {
   using utils::BasicException::BasicException;
 };
-}  // namespace memgraph::communication
+}  // namespace communication

src/communication/helpers.cpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Use of this software is governed by the Business Source License
 // included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@@ -13,7 +13,7 @@
 
 #include "communication/helpers.hpp"
 
-namespace memgraph::communication {
+namespace communication {
 
 const std::string SslGetLastError() {
   char buff[2048];
@@ -21,4 +21,4 @@ const std::string SslGetLastError() {
   ERR_error_string_n(err, buff, sizeof(buff));
   return std::string(buff);
 }
-}  // namespace memgraph::communication
+}  // namespace communication

src/communication/helpers.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Use of this software is governed by the Business Source License
 // included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@@ -13,11 +13,11 @@
 
 #include <string>
 
-namespace memgraph::communication {
+namespace communication {
 
 /**
  * This function reads and returns a string describing the last OpenSSL error.
  */
 const std::string SslGetLastError();
 
-}  // namespace memgraph::communication
+}  // namespace communication

src/communication/init.cpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Use of this software is governed by the Business Source License
 // included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@@ -20,7 +20,7 @@
 #include "utils/signals.hpp"
 #include "utils/spin_lock.hpp"
 
-namespace memgraph::communication {
+namespace communication {
 
 namespace {
 // OpenSSL before 1.1 did not have a out-of-the-box multithreading support
@@ -72,4 +72,4 @@ SSLInit::SSLInit() {
 }
 
 SSLInit::~SSLInit() { Cleanup(); }
-}  // namespace memgraph::communication
+}  // namespace communication

src/communication/init.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Use of this software is governed by the Business Source License
 // included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@@ -11,7 +11,7 @@
 
 #pragma once
 
-namespace memgraph::communication {
+namespace communication {
 
 /**
  * Create this object in each `main` file that uses the Communication stack. It
@@ -36,4 +36,4 @@ struct SSLInit {
   ~SSLInit();
 };
 
-}  // namespace memgraph::communication
+}  // namespace communication

src/communication/listener.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Use of this software is governed by the Business Source License
 // included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@@ -28,7 +28,7 @@
 #include "utils/spin_lock.hpp"
 #include "utils/thread.hpp"
 
-namespace memgraph::communication {
+namespace communication {
 
 /**
  * This class listens to events on an epoll object and processes them.
@@ -273,4 +273,4 @@ class Listener final {
   const std::string service_name_;
   const size_t workers_count_;
 };
-}  // namespace memgraph::communication
+}  // namespace communication

src/communication/result_stream_faker.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// Copyright 2021 Memgraph Ltd.
 //
 // Use of this software is governed by the Business Source License
 // included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
@@ -29,7 +29,7 @@
  */
 class ResultStreamFaker {
  public:
-  explicit ResultStreamFaker(memgraph::storage::Storage *store) : store_(store) {}
+  explicit ResultStreamFaker(storage::Storage *store) : store_(store) {}
 
   ResultStreamFaker(const ResultStreamFaker &) = delete;
   ResultStreamFaker &operator=(const ResultStreamFaker &) = delete;
@@ -38,25 +38,25 @@ class ResultStreamFaker {
 
   void Header(const std::vector<std::string> &fields) { header_ = fields; }
 
-  void Result(const std::vector<memgraph::communication::bolt::Value> &values) { results_.push_back(values); }
+  void Result(const std::vector<communication::bolt::Value> &values) { results_.push_back(values); }
 
-  void Result(const std::vector<memgraph::query::TypedValue> &values) {
-    std::vector<memgraph::communication::bolt::Value> bvalues;
+  void Result(const std::vector<query::TypedValue> &values) {
+    std::vector<communication::bolt::Value> bvalues;
     bvalues.reserve(values.size());
     for (const auto &value : values) {
-      auto maybe_value = memgraph::glue::ToBoltValue(value, *store_, memgraph::storage::View::NEW);
+      auto maybe_value = glue::ToBoltValue(value, *store_, storage::View::NEW);
       MG_ASSERT(maybe_value.HasValue());
       bvalues.push_back(std::move(*maybe_value));
     }
     results_.push_back(std::move(bvalues));
   }
 
-  void Summary(const std::map<std::string, memgraph::communication::bolt::Value> &summary) { summary_ = summary; }
+  void Summary(const std::map<std::string, communication::bolt::Value> &summary) { summary_ = summary; }
 
-  void Summary(const std::map<std::string, memgraph::query::TypedValue> &summary) {
-    std::map<std::string, memgraph::communication::bolt::Value> bsummary;
+  void Summary(const std::map<std::string, query::TypedValue> &summary) {
+    std::map<std::string, communication::bolt::Value> bsummary;
     for (const auto &item : summary) {
-      auto maybe_value = memgraph::glue::ToBoltValue(item.second, *store_, memgraph::storage::View::NEW);
+      auto maybe_value = glue::ToBoltValue(item.second, *store_, storage::View::NEW);
       MG_ASSERT(maybe_value.HasValue());
       bsummary.insert({item.first, std::move(*maybe_value)});
     }
@@ -119,17 +119,17 @@ class ResultStreamFaker {
 
     // output the summary
     os << "Query summary: {";
-    memgraph::utils::PrintIterable(os, results.GetSummary(), ", ",
-                                   [&](auto &stream, const auto &kv) { stream << kv.first << ": " << kv.second; });
+    utils::PrintIterable(os, results.GetSummary(), ", ",
+                         [&](auto &stream, const auto &kv) { stream << kv.first << ": " << kv.second; });
     os << "}" << std::endl;
 
     return os;
   }
 
  private:
-  memgraph::storage::Storage *store_;
+  storage::Storage *store_;
   // the data that the record stream can accept
   std::vector<std::string> header_;
-  std::vector<std::vector<memgraph::communication::bolt::Value>> results_;
-  std::map<std::string, memgraph::communication::bolt::Value> summary_;
+  std::vector<std::vector<communication::bolt::Value>> results_;
+  std::map<std::string, communication::bolt::Value> summary_;
 };