name: nimbus-eth1 CI
on: [push, pull_request]

jobs:
  build:
    strategy:
      fail-fast: false
      max-parallel: 20
      matrix:
        branch: [master]
        target:
          - os: linux
            cpu: amd64
            TEST_LANG: c
            NPROC: 2
          - os: linux
            cpu: i386
            TEST_LANG: c
            NPROC: 2
          - os: macos
            cpu: amd64
            TEST_LANG: c
            NPROC: 2
          - os: windows
            cpu: amd64
            TEST_LANG: c
            NPROC: 2
          - os: windows
            cpu: i386
            TEST_LANG: c
            NPROC: 2
        include:
          - target:
              os: linux
            builder: ubuntu-18.04
          - target:
              os: macos
            builder: macos-10.15
          - target:
              os: windows
            builder: windows-2019

    name: '${{ matrix.target.os }}-${{ matrix.target.cpu }}-${{ matrix.target.TEST_LANG }} (${{ matrix.branch }})'
    runs-on: ${{ matrix.builder }}
    steps:
      - name: Checkout nimbus-eth1
        uses: actions/checkout@v2
        with:
          path: nimbus-eth1
          submodules: false

      - 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 libpcre3-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 (Macos/Linux)
        if: runner.os != 'Windows'
        id: rocksdb-cache
        uses: actions/cache@v1
        with:
          path: rocks-db-cache-${{ matrix.target.cpu }}
          key: 'rocksdb-${{ matrix.target.os }}-${{ matrix.target.cpu }}'

      - name: Build and install rocksdb (Linux i386)
        # no librocksdb-dev:i386
        if: runner.os == 'Linux' && matrix.target.cpu == 'i386'
        shell: bash
        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'
        shell: bash
        run: |
         sudo apt-get -q update
         sudo apt-get install -y librocksdb-dev libpcre3-dev

      - name: Build and install rocksdb (Macos)
        if: runner.os == 'Macos'
        shell: bash
        run: |
          HOMEBREW_NO_AUTO_UPDATE=1 HOMEBREW_NO_INSTALL_CLEANUP=1 brew install ccache
          echo "/usr/local/opt/ccache/libexec" >> $GITHUB_PATH
          curl -O -L -s -S https://raw.githubusercontent.com/status-im/nimbus-build-system/master/scripts/build_rocksdb.sh
          bash build_rocksdb.sh rocks-db-cache-${{ matrix.target.cpu }}

      - name: Restore MinGW-W64 (Windows) from cache
        if: runner.os == 'Windows'
        id: windows-mingw-cache
        uses: actions/cache@v2
        with:
          path: external/mingw-${{ matrix.target.cpu }}
          key: 'mingw-${{ matrix.target.cpu }}'

      - name: Restore Nim DLLs dependencies (Windows) from cache
        if: runner.os == 'Windows'
        id: windows-dlls-cache
        uses: actions/cache@v2
        with:
          path: external/dlls-${{ matrix.target.cpu }}
          key: 'dlls-${{ matrix.target.cpu }}'

      - name: Install MinGW64 dependency (Windows)
        if: >
          steps.windows-mingw-cache.outputs.cache-hit != 'true' &&
          runner.os == 'Windows'
        shell: bash
        run: |
          mkdir -p external
          if [[ '${{ matrix.target.cpu }}' == 'amd64' ]]; then
            MINGW_URL="https://sourceforge.net/projects/mingw-w64/files/Toolchains targetting Win64/Personal Builds/mingw-builds/8.1.0/threads-posix/seh/x86_64-8.1.0-release-posix-seh-rt_v6-rev0.7z"
            ARCH=64
          else
            MINGW_URL="https://sourceforge.net/projects/mingw-w64/files/Toolchains targetting Win32/Personal Builds/mingw-builds/8.1.0/threads-posix/dwarf/i686-8.1.0-release-posix-dwarf-rt_v6-rev0.7z"
            ARCH=32
          fi
          curl -L "$MINGW_URL" -o "external/mingw-${{ matrix.target.cpu }}.7z"
          7z x -y "external/mingw-${{ matrix.target.cpu }}.7z" -oexternal/
          mv external/mingw$ARCH external/mingw-${{ matrix.target.cpu }}

      - name: Install DLLs dependencies (Windows)
        if: >
          steps.windows-dlls-cache.outputs.cache-hit != 'true' &&
          runner.os == 'Windows'
        shell: bash
        run: |
          if [[ '${{ matrix.target.cpu }}' == 'amd64' ]]; then
            ROCKSDBSUB=x64
          else
            ROCKSDBSUB=x86
          fi
          DLLPATH=external/dlls-${{ matrix.target.cpu }}
          mkdir -p external
          curl -L "https://nim-lang.org/download/windeps.zip" -o external/windeps.zip
          7z x -y external/windeps.zip -o"$DLLPATH"
          # ROCKSDB
          curl -L "https://github.com/status-im/nimbus-deps/releases/download/nimbus-deps/nimbus-deps.zip" -o external/nimbus-deps.zip
          7z x -y external/nimbus-deps.zip
          cp "./$ROCKSDBSUB/librocksdb.dll" "$DLLPATH/librocksdb.dll"

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

      - name: Get latest nimbus-build-system commit hash
        id: versions
        shell: bash
        run: |
          getHash() {
            git ls-remote "https://github.com/$1" "${2:-HEAD}" | cut -f 1
          }
          nbsHash=$(getHash status-im/nimbus-build-system)
          echo "::set-output name=nimbus_build_system::$nbsHash"

      - name: Restore prebuilt Nim from cache
        id: nim-cache
        uses: actions/cache@v2
        with:
          path: nim
          key: 'nim-${{ matrix.target.os }}-${{ matrix.target.cpu }}-${{ steps.versions.outputs.nimbus_build_system }}'

      - name: Build Nim and associated tools
        if: steps.nim-cache.outputs.cache-hit != 'true'
        shell: bash
        run: |
          curl -O -L -s -S https://raw.githubusercontent.com/status-im/nimbus-build-system/master/scripts/build_nim.sh
          if [[ '${{ matrix.target.cpu }}' == 'amd64' ]]; then
            PLATFORM=x64
          else
            PLATFORM=x86
          fi
          if [[ '${{ matrix.target.os }}' == 'windows' ]]; then
            MAKE_CMD="mingw32-make"
          else
            MAKE_CMD="make"
          fi
          env MAKE="$MAKE_CMD -j2" ARCH_OVERRIDE=$PLATFORM CC=gcc bash build_nim.sh nim csources dist/nimble NimBinaries

          # clean up to save cache space
          cd nim
          rm koch
          rm -rf nimcache
          rm -rf csources
          rm -rf tests
          rm -rf dist
          rm -rf .git

      - name: Setup environment
        shell: bash
        run: echo '${{ github.workspace }}/nim/bin' >> $GITHUB_PATH

      - name: Run nimbus-eth1 tests (Windows)
        if: runner.os == 'Windows'
        shell: bash
        working-directory: nimbus-eth1
        run: |
          if [[ '${{ matrix.target.cpu }}' == 'amd64' ]]; then
            PLATFORM=x64
            USE_MIRACL=0
          else
            PLATFORM=x86
            USE_MIRACL=1
          fi
          NPROC="${{ matrix.target.NPROC }}"
          MAKEFLAGS="-j${NPROC} USE_SYSTEM_NIM=1 ARCH_OVERRIDE=$PLATFORM"
          mingw32-make $MAKEFLAGS update
          mingw32-make $MAKEFLAGS
          build/nimbus.exe --help
          mingw32-make $MAKEFLAGS test
          if [[ '${{ matrix.target.cpu }}' == 'amd64' ]]; then
            mingw32-make -j${NPROC} USE_SYSTEM_NIM=1 test-reproducibility
          fi

      - name: Run nimbus-eth1 tests (Linux)
        if: runner.os == 'Linux'
        shell: bash
        working-directory: nimbus-eth1
        run: |
          if [[ '${{ matrix.target.cpu }}' == 'amd64' ]]; then
            PLATFORM=x64
            GOARCH=amd64
            USE_MIRACL=0
          else
            PLATFORM=x86
            GOARCH=386
            USE_MIRACL=1
          fi
          export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:/usr/local/lib"
          NPROC="${{ matrix.target.NPROC }}"
          MAKEFLAGS="-j${NPROC} NIMFLAGS="--parallelBuild:${NPROC}" USE_SYSTEM_NIM=1 ARCH_OVERRIDE=$PLATFORM USE_MIRACL=$USE_MIRACL"
          env CC=gcc make $MAKEFLAGS update
          env CC=gcc make $MAKEFLAGS
          build/nimbus --help
          # CC, GOARCH, and CGO_ENABLED are needed to select correct compiler 32/64 bit
          env CC=gcc GOARCH=$GOARCH CXX=g++ CGO_ENABLED=1 make $MAKEFLAGS test test-reproducibility wrappers wrappers-static

      - name: Run nimbus-eth1 tests (Macos)
        if: runner.os == 'Macos'
        shell: bash
        working-directory: nimbus-eth1
        run: |
          NPROC="${{ matrix.target.NPROC }}"
          MAKEFLAGS="-j${NPROC} NIMFLAGS="--parallelBuild:${NPROC}" USE_SYSTEM_NIM=1"
          make $MAKEFLAGS update
          make $MAKEFLAGS
          build/nimbus --help
          # "-static" option will not work for osx unless static system libraries are provided
          make $MAKEFLAGS test test-reproducibility wrappers