ci.yml

name: CI
on:
  push:
    branches:
      - master
  pull_request:
  workflow_dispatch:

jobs:
  lint:
    name: "nph Lint"
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 2  # In PR, has extra merge commit: ^1 = PR, ^2 = base

      - name: Check nph formatting
        # Pin nph to a specific version to avoid sudden style differences.
        # Updating nph version should be accompanied with running the new
        # version on the project directory.
        run: |
          VERSION="v0.5.1"
          ARCHIVE="nph-linux_x64.tar.gz"
          curl -L "https://github.com/arnetheduck/nph/releases/download/${VERSION}/${ARCHIVE}" -o ${ARCHIVE}
          tar -xzf ${ARCHIVE}
          ./nph .
          git diff --exit-code
  build:
    strategy:
      fail-fast: false
      matrix:
        target:
          - os: linux
            cpu: amd64
          - os: macos
            cpu: amd64
          - os: windows
            cpu: amd64
        branch: [version-1-6, version-2-0, devel]
        include:
          - target:
              os: linux
            builder: ubuntu-latest
            shell: bash
          - target:
              os: macos
            builder: macos-12
            shell: bash
          - target:
              os: windows
            builder: windows-latest
            shell: msys2 {0}

    defaults:
      run:
        shell: ${{ matrix.shell }}

    name: '${{ matrix.target.os }}-${{ matrix.target.cpu }} (Nim ${{ matrix.branch }})'
    runs-on: ${{ matrix.builder }}
    #continue-on-error: ${{ matrix.branch == 'version-1-6' || matrix.branch == 'devel' }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          submodules: true

      - name: Install build dependencies (Linux i386)
        if: runner.os == 'Linux' && matrix.target.cpu == 'i386'
        run: |
          sudo dpkg --add-architecture i386
          sudo apt-fast update -qq
          sudo DEBIAN_FRONTEND='noninteractive' apt-fast install \
            --no-install-recommends -yq gcc-multilib g++-multilib \
            libz-dev:i386 libbz2-dev:i386 libssl-dev:i386 liblz4-dev:i386
          mkdir -p external/bin
          cat << EOF > external/bin/gcc
          #!/bin/bash
          exec $(which gcc) -m32 "\$@"
          EOF
          cat << EOF > external/bin/g++
          #!/bin/bash
          exec $(which g++) -m32 "\$@"
          EOF
          chmod 755 external/bin/gcc external/bin/g++
          echo '${{ github.workspace }}/external/bin' >> $GITHUB_PATH

      - name: Restore rocksdb from cache (Linux + macOS)
        if: runner.os != 'Windows'
        id: rocksdb-cache
        uses: actions/cache@v4
        with:
          path: rocks-db-cache-${{ matrix.target.cpu }}
          key: 'rocksdb-v1-${{ matrix.target.os }}-${{ matrix.target.cpu }}'

      - name: Build and install rocksdb (Linux i386 + macOS)
        # no librocksdb-dev:i386
        if: (runner.os == 'Linux' && matrix.target.cpu == 'i386') || runner.os == 'Macos'
        run: |
          curl -O -L -s -S https://raw.githubusercontent.com/status-im/nimbus-build-system/master/scripts/build_rocksdb.sh
          bash build_rocksdb.sh rocks-db-cache-${{ matrix.target.cpu }}

      - name: Install rocksdb (Linux amd64)
        # mysterious illegal instruction error if we build our own librocksdb
        if: runner.os == 'Linux' && matrix.target.cpu == 'amd64'
        run: |
         sudo apt-get -q update
         sudo apt-get install -y librocksdb-dev

      - name: MSYS2 (Windows i386)
        if: runner.os == 'Windows' && matrix.target.cpu == 'i386'
        uses: msys2/setup-msys2@v2
        with:
          path-type: inherit
          msystem: MINGW32
          install: >-
            base-devel
            git
            mingw-w64-i686-toolchain

      - name: MSYS2 (Windows amd64)
        if: runner.os == 'Windows' && matrix.target.cpu == 'amd64'
        uses: msys2/setup-msys2@v2
        with:
          path-type: inherit
          install: >-
            base-devel
            git
            mingw-w64-x86_64-toolchain

      - name: Install DLL dependencies (Windows)
        if: >
          runner.os == 'Windows'
        run: |
          if [[ '${{ matrix.target.cpu }}' == 'amd64' ]]; then
            ROCKSDBSUB=x64
          else
            ROCKSDBSUB=x86
          fi
          DLLPATH="external/dlls-${{ matrix.target.cpu }}"
          mkdir -p ${DLLPATH}

          # ROCKSDB
          ./scripts/build_dlls_windows.sh
          cp ./build/librocksdb.dll "${DLLPATH}/librocksdb.dll"

      - name: Path to cached dependencies (Windows)
        if: >
          runner.os == 'Windows'
        run: |
          echo '${{ github.workspace }}'"/external/dlls-${{ matrix.target.cpu }}" >> $GITHUB_PATH

      - name: Derive environment variables
        run: |
          if [[ '${{ matrix.target.cpu }}' == 'amd64' ]]; then
            PLATFORM=x64
          else
            PLATFORM=x86
          fi
          echo "PLATFORM=$PLATFORM" >> $GITHUB_ENV

          ncpu=
          MAKE_CMD="make"
          case '${{ runner.os }}' in
          'Linux')
            ncpu=$(nproc)
            ;;
          'macOS')
            ncpu=$(sysctl -n hw.ncpu)
            ;;
          'Windows')
            ncpu=$NUMBER_OF_PROCESSORS
            MAKE_CMD="mingw32-make"
            ;;
          esac
          [[ -z "$ncpu" || $ncpu -le 0 ]] && ncpu=1
          echo "ncpu=$ncpu" >> $GITHUB_ENV
          echo "MAKE_CMD=${MAKE_CMD}" >> $GITHUB_ENV

      - name: Build Nim and Nimble
        run: |
          curl -O -L -s -S https://raw.githubusercontent.com/status-im/nimbus-build-system/master/scripts/build_nim.sh
          env MAKE="${MAKE_CMD} -j${ncpu}" ARCH_OVERRIDE=${PLATFORM} NIM_COMMIT=${{ matrix.branch }} \
            QUICK_AND_DIRTY_COMPILER=1 QUICK_AND_DIRTY_NIMBLE=1 CC=gcc \
            bash build_nim.sh nim csources dist/nimble NimBinaries
          echo '${{ github.workspace }}/nim/bin' >> $GITHUB_PATH

      - name: Run tests
        run: |
          export LD_LIBRARY_PATH="${LD_LIBRARY_PATH}:/usr/local/lib"
          if [[ "${{ matrix.target.os }}" == "windows" ]]; then
            # https://github.com/status-im/nimbus-eth2/issues/3121
            export NIMFLAGS="-d:nimRawSetjmp"
          fi

          nim --version
          nimble --version
          nimble install -y --depsOnly
          nimble test

          # static linking is not supported on windows
          if [[ "${{ matrix.target.os }}" != "windows" ]]; then
            nimble test_static
          fi