name: CI
on:
  pull_request:
  push:
    branches:
      - '**'
    tags-ignore:
      - '**'

concurrency:
  group: ${{ github.ref }}
  cancel-in-progress: ${{ github.event_name == 'pull_request' }}

env:
  ### compiler options
  HOST:
  WRAPPER_CMD:
  # Specific warnings can be disabled with -Wno-error=foo.
  # -pedantic-errors is not equivalent to -Werror=pedantic and thus not implied by -Werror according to the GCC manual.
  WERROR_CFLAGS: '-Werror -pedantic-errors'
  MAKEFLAGS: '-j4'
  BUILD: 'check'
  ### secp256k1 config
  ECMULTWINDOW: 'auto'
  ECMULTGENPRECISION: 'auto'
  ASM: 'no'
  WIDEMUL: 'auto'
  WITH_VALGRIND: 'yes'
  EXTRAFLAGS:
  ### secp256k1 modules
  EXPERIMENTAL: 'no'
  ECDH: 'no'
  RECOVERY: 'no'
  SCHNORRSIG: 'no'
  ELLSWIFT: 'no'
  ### test options
  SECP256K1_TEST_ITERS:
  BENCH: 'yes'
  SECP256K1_BENCH_ITERS: 2
  CTIMETESTS: 'yes'
  # Compile and run the examples.
  EXAMPLES: 'yes'

jobs:
  docker_cache:
    name: "Build Docker image"
    runs-on: ubuntu-latest
    steps:
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2
        with:
          # See: https://github.com/moby/buildkit/issues/3969.
          driver-opts: |
            network=host

      - name: Build container
        uses: docker/build-push-action@v4
        with:
          file: ./ci/linux-debian.Dockerfile
          tags: linux-debian-image
          cache-from: type=gha
          cache-to: type=gha,mode=min

  linux_debian:
    name: "x86_64: Linux (Debian stable)"
    runs-on: ubuntu-latest
    needs: docker_cache

    strategy:
      fail-fast: false
      matrix:
        configuration:
          - env_vars: { WIDEMUL: 'int64',  RECOVERY: 'yes' }
          - env_vars: { WIDEMUL: 'int64',                   ECDH: 'yes', SCHNORRSIG: 'yes', ELLSWIFT: 'yes' }
          - env_vars: { WIDEMUL: 'int128' }
          - env_vars: { WIDEMUL: 'int128_struct',                                           ELLSWIFT: 'yes' }
          - env_vars: { WIDEMUL: 'int128', RECOVERY: 'yes',              SCHNORRSIG: 'yes', ELLSWIFT: 'yes' }
          - env_vars: { WIDEMUL: 'int128',                  ECDH: 'yes', SCHNORRSIG: 'yes' }
          - env_vars: { WIDEMUL: 'int128', ASM: 'x86_64',                                   ELLSWIFT: 'yes' }
          - env_vars: {                    RECOVERY: 'yes',              SCHNORRSIG: 'yes' }
          - env_vars: { CTIMETESTS: 'no',  RECOVERY: 'yes', ECDH: 'yes', SCHNORRSIG: 'yes', CPPFLAGS: '-DVERIFY' }
          - env_vars: { BUILD: 'distcheck', WITH_VALGRIND: 'no', CTIMETESTS: 'no', BENCH: 'no' }
          - env_vars: { CPPFLAGS: '-DDETERMINISTIC' }
          - env_vars: { CFLAGS: '-O0', CTIMETESTS: 'no' }
          - env_vars: { CFLAGS: '-O1',     RECOVERY: 'yes', ECDH: 'yes', SCHNORRSIG: 'yes', ELLSWIFT: 'yes' }
          - env_vars: { ECMULTGENPRECISION: 2, ECMULTWINDOW: 2 }
          - env_vars: { ECMULTGENPRECISION: 8, ECMULTWINDOW: 4 }
        cc:
          - 'gcc'
          - 'clang'
          - 'gcc-snapshot'
          - 'clang-snapshot'

    env:
      CC: ${{ matrix.cc }}

    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: CI script
        env: ${{ matrix.configuration.env_vars }}
        uses: ./.github/actions/run-in-docker-action
        with:
          dockerfile: ./ci/linux-debian.Dockerfile
          tag: linux-debian-image
          command: >
            git config --global --add safe.directory ${{ github.workspace }} &&
            ./ci/ci.sh

      - run: cat tests.log || true
        if: ${{ always() }}
      - run: cat noverify_tests.log || true
        if: ${{ always() }}
      - run: cat exhaustive_tests.log || true
        if: ${{ always() }}
      - run: cat ctime_tests.log || true
        if: ${{ always() }}
      - run: cat bench.log || true
        if: ${{ always() }}
      - run: cat config.log || true
        if: ${{ always() }}
      - run: cat test_env.log || true
        if: ${{ always() }}
      - name: CI env
        run: env
        if: ${{ always() }}

  i686_debian:
    name: "i686: Linux (Debian stable)"
    runs-on: ubuntu-latest
    needs: docker_cache

    strategy:
      fail-fast: false
      matrix:
        cc:
          - 'i686-linux-gnu-gcc'
          - 'clang --target=i686-pc-linux-gnu -isystem /usr/i686-linux-gnu/include'

    env:
      HOST: 'i686-linux-gnu'
      ECDH: 'yes'
      RECOVERY: 'yes'
      SCHNORRSIG: 'yes'
      ELLSWIFT: 'yes'
      CC: ${{ matrix.cc }}

    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: CI script
        uses: ./.github/actions/run-in-docker-action
        with:
          dockerfile: ./ci/linux-debian.Dockerfile
          tag: linux-debian-image
          command: >
            git config --global --add safe.directory ${{ github.workspace }} &&
            ./ci/ci.sh

      - run: cat tests.log || true
        if: ${{ always() }}
      - run: cat noverify_tests.log || true
        if: ${{ always() }}
      - run: cat exhaustive_tests.log || true
        if: ${{ always() }}
      - run: cat ctime_tests.log || true
        if: ${{ always() }}
      - run: cat bench.log || true
        if: ${{ always() }}
      - run: cat config.log || true
        if: ${{ always() }}
      - run: cat test_env.log || true
        if: ${{ always() }}
      - name: CI env
        run: env
        if: ${{ always() }}

  s390x_debian:
    name: "s390x (big-endian): Linux (Debian stable, QEMU)"
    runs-on: ubuntu-latest
    needs: docker_cache

    env:
      WRAPPER_CMD: 'qemu-s390x'
      SECP256K1_TEST_ITERS: 16
      HOST: 's390x-linux-gnu'
      WITH_VALGRIND: 'no'
      ECDH: 'yes'
      RECOVERY: 'yes'
      SCHNORRSIG: 'yes'
      ELLSWIFT: 'yes'
      CTIMETESTS: 'no'

    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: CI script
        uses: ./.github/actions/run-in-docker-action
        with:
          dockerfile: ./ci/linux-debian.Dockerfile
          tag: linux-debian-image
          command: >
            git config --global --add safe.directory ${{ github.workspace }} &&
            ./ci/ci.sh

      - run: cat tests.log || true
        if: ${{ always() }}
      - run: cat noverify_tests.log || true
        if: ${{ always() }}
      - run: cat exhaustive_tests.log || true
        if: ${{ always() }}
      - run: cat ctime_tests.log || true
        if: ${{ always() }}
      - run: cat bench.log || true
        if: ${{ always() }}
      - run: cat config.log || true
        if: ${{ always() }}
      - run: cat test_env.log || true
        if: ${{ always() }}
      - name: CI env
        run: env
        if: ${{ always() }}

  arm32_debian:
    name: "ARM32: Linux (Debian stable, QEMU)"
    runs-on: ubuntu-latest
    needs: docker_cache

    strategy:
      fail-fast: false
      matrix:
        configuration:
          - env_vars: {}
          - env_vars: { EXPERIMENTAL: 'yes', ASM: 'arm32' }

    env:
      WRAPPER_CMD: 'qemu-arm'
      SECP256K1_TEST_ITERS: 16
      HOST: 'arm-linux-gnueabihf'
      WITH_VALGRIND: 'no'
      ECDH: 'yes'
      RECOVERY: 'yes'
      SCHNORRSIG: 'yes'
      ELLSWIFT: 'yes'
      CTIMETESTS: 'no'

    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: CI script
        env: ${{ matrix.configuration.env_vars }}
        uses: ./.github/actions/run-in-docker-action
        with:
          dockerfile: ./ci/linux-debian.Dockerfile
          tag: linux-debian-image
          command: >
            git config --global --add safe.directory ${{ github.workspace }} &&
            ./ci/ci.sh

      - run: cat tests.log || true
        if: ${{ always() }}
      - run: cat noverify_tests.log || true
        if: ${{ always() }}
      - run: cat exhaustive_tests.log || true
        if: ${{ always() }}
      - run: cat ctime_tests.log || true
        if: ${{ always() }}
      - run: cat bench.log || true
        if: ${{ always() }}
      - run: cat config.log || true
        if: ${{ always() }}
      - run: cat test_env.log || true
        if: ${{ always() }}
      - name: CI env
        run: env
        if: ${{ always() }}

  mingw_debian:
    name: ${{ matrix.configuration.job_name }}
    runs-on: ubuntu-latest
    needs: docker_cache

    env:
      WRAPPER_CMD: 'wine'
      WITH_VALGRIND: 'no'
      ECDH: 'yes'
      RECOVERY: 'yes'
      SCHNORRSIG: 'yes'
      ELLSWIFT: 'yes'
      CTIMETESTS: 'no'

    strategy:
      fail-fast: false
      matrix:
        configuration:
          - job_name: 'x86_64 (mingw32-w64): Windows (Debian stable, Wine)'
            env_vars:
              HOST: 'x86_64-w64-mingw32'
          - job_name: 'i686 (mingw32-w64): Windows (Debian stable, Wine)'
            env_vars:
              HOST: 'i686-w64-mingw32'

    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: CI script
        env: ${{ matrix.configuration.env_vars }}
        uses: ./.github/actions/run-in-docker-action
        with:
          dockerfile: ./ci/linux-debian.Dockerfile
          tag: linux-debian-image
          command: >
            git config --global --add safe.directory ${{ github.workspace }} &&
            ./ci/ci.sh

      - run: cat tests.log || true
        if: ${{ always() }}
      - run: cat noverify_tests.log || true
        if: ${{ always() }}
      - run: cat exhaustive_tests.log || true
        if: ${{ always() }}
      - run: cat ctime_tests.log || true
        if: ${{ always() }}
      - run: cat bench.log || true
        if: ${{ always() }}
      - run: cat config.log || true
        if: ${{ always() }}
      - run: cat test_env.log || true
        if: ${{ always() }}
      - name: CI env
        run: env
        if: ${{ always() }}

  macos-native:
    name: "x86_64: macOS Ventura"
    # See: https://github.com/actions/runner-images#available-images.
    runs-on: macos-13 # Use M1 once available https://github.com/github/roadmap/issues/528

    env:
      ASM: 'no'
      WITH_VALGRIND: 'no'
      CTIMETESTS: 'no'
      CC: 'clang'

    strategy:
      fail-fast: false
      matrix:
        env_vars:
          - { WIDEMUL: 'int64',  RECOVERY: 'yes', ECDH: 'yes', SCHNORRSIG: 'yes', ELLSWIFT: 'yes' }
          - { WIDEMUL: 'int64',  RECOVERY: 'yes', ECDH: 'yes', SCHNORRSIG: 'yes', ELLSWIFT: 'yes', CC: 'gcc' }
          - { WIDEMUL: 'int128_struct', ECMULTGENPRECISION: 2, ECMULTWINDOW: 4 }
          - { WIDEMUL: 'int128',                  ECDH: 'yes', SCHNORRSIG: 'yes', ELLSWIFT: 'yes' }
          - { WIDEMUL: 'int128', RECOVERY: 'yes',              SCHNORRSIG: 'yes' }
          - { WIDEMUL: 'int128', RECOVERY: 'yes', ECDH: 'yes', SCHNORRSIG: 'yes', ELLSWIFT: 'yes', CC: 'gcc' }
          - { WIDEMUL: 'int128', RECOVERY: 'yes', ECDH: 'yes', SCHNORRSIG: 'yes', ELLSWIFT: 'yes', CPPFLAGS: '-DVERIFY' }
          - BUILD: 'distcheck'

    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Install Homebrew packages
        env:
          HOMEBREW_NO_AUTO_UPDATE: 1
          HOMEBREW_NO_INSTALL_CLEANUP: 1
        run: |
          brew install automake libtool gcc
          ln -s $(brew --prefix gcc)/bin/gcc-?? /usr/local/bin/gcc

      - name: CI script
        env: ${{ matrix.env_vars }}
        run: ./ci/ci.sh

      - run: cat tests.log || true
        if: ${{ always() }}
      - run: cat noverify_tests.log || true
        if: ${{ always() }}
      - run: cat exhaustive_tests.log || true
        if: ${{ always() }}
      - run: cat ctime_tests.log || true
        if: ${{ always() }}
      - run: cat bench.log || true
        if: ${{ always() }}
      - run: cat config.log || true
        if: ${{ always() }}
      - run: cat test_env.log || true
        if: ${{ always() }}
      - name: CI env
        run: env
        if: ${{ always() }}

  win64-native:
    name: ${{ matrix.configuration.job_name }}
    # See: https://github.com/actions/runner-images#available-images.
    runs-on: windows-2022

    strategy:
      fail-fast: false
      matrix:
        configuration:
          - job_name: 'x64 (MSVC): Windows (VS 2022, shared)'
            cmake_options: '-A x64 -DBUILD_SHARED_LIBS=ON'
          - job_name: 'x64 (MSVC): Windows (VS 2022, static)'
            cmake_options: '-A x64 -DBUILD_SHARED_LIBS=OFF'
          - job_name: 'x64 (MSVC): Windows (VS 2022, int128_struct)'
            cmake_options: '-A x64 -DSECP256K1_TEST_OVERRIDE_WIDE_MULTIPLY=int128_struct'
          - job_name: 'x64 (MSVC): Windows (VS 2022, int128_struct with __(u)mulh)'
            cmake_options: '-A x64 -DSECP256K1_TEST_OVERRIDE_WIDE_MULTIPLY=int128_struct'
            cpp_flags: '/DSECP256K1_MSVC_MULH_TEST_OVERRIDE'
          - job_name: 'x86 (MSVC): Windows (VS 2022)'
            cmake_options: '-A Win32'

    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Generate buildsystem
        run: cmake -E env CFLAGS="/WX ${{ matrix.configuration.cpp_flags }}" cmake -B build -DSECP256K1_ENABLE_MODULE_RECOVERY=ON -DSECP256K1_BUILD_EXAMPLES=ON ${{ matrix.configuration.cmake_options }}

      - name: Build
        run: cmake --build build --config RelWithDebInfo -- /p:UseMultiToolTask=true /maxCpuCount

      - name: Binaries info
        # Use the bash shell included with Git for Windows.
        shell: bash
        run: |
          cd build/src/RelWithDebInfo && file *tests.exe bench*.exe libsecp256k1-*.dll || true

      - name: Check
        run: |
          ctest -C RelWithDebInfo --test-dir build -j ([int]$env:NUMBER_OF_PROCESSORS + 1)
          build\src\RelWithDebInfo\bench_ecmult.exe
          build\src\RelWithDebInfo\bench_internal.exe
          build\src\RelWithDebInfo\bench.exe

  win64-native-headers:
    name: "x64 (MSVC): C++ (public headers)"
    # See: https://github.com/actions/runner-images#available-images.
    runs-on: windows-2022

    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Add cl.exe to PATH
        uses: ilammy/msvc-dev-cmd@v1

      - name: C++ (public headers)
        run: |
          cl.exe -c -WX -TP include/*.h

  sage:
    name: "SageMath prover"
    runs-on: ubuntu-latest
    container:
      image: sagemath/sagemath:latest
      options: --user root

    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: CI script
        run: |
          cd sage
          sage prove_group_implementations.sage