name: CI
on: [push, pull_request]

jobs:
  build:
    strategy:
      fail-fast: false
      max-parallel: 20
      matrix:
        target:
          - os: linux
            cpu: amd64
          - os: linux
            cpu: i386
          - os: macos
            cpu: amd64
          - os: windows
            cpu: amd64
          - os: windows
            cpu: i386
        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 }}'
    runs-on: ${{ matrix.builder }}
    timeout-minutes: 60
    steps:
      - name: Checkout nim-eth
        uses: actions/checkout@v2
        with:
          path: nim-eth
          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
          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)
        if: runner.os != 'Windows'
        id: rocksdb-cache
        uses: actions/cache@v1
        with:
          path: rocks-db-cache-${{ matrix.target.cpu }}
          key: 'rocksdb-v1-${{ 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

      - name: Build and install lmdb (Linux)
        if: runner.os == 'Linux'
        shell: bash
        run: |
          LMDBVER="0.9.22"
          curl -L "https://github.com/LMDB/lmdb/archive/LMDB_$LMDBVER.tar.gz" -o "LMDB_$LMDBVER.tar.gz"
          tar xzf "LMDB_$LMDBVER.tar.gz"
          cd "lmdb-LMDB_$LMDBVER/libraries/liblmdb"
          make -j2
          sed -i 's| liblmdb.a||' Makefile
          sudo make prefix=/usr install

      - 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: Build and install lmdb (Macos)
        if: runner.os == 'Macos'
        shell: bash
        run: |
          LMDBVER="0.9.22"
          curl -L "https://github.com/LMDB/lmdb/archive/LMDB_$LMDBVER.tar.gz" -o "LMDB_$LMDBVER.tar.gz"
          tar xzf "LMDB_$LMDBVER.tar.gz"
          cd "lmdb-LMDB_$LMDBVER/libraries/liblmdb"
          make -j2
          sudo cp -a liblmdb.so /usr/local/lib/liblmdb.dylib

      - 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 [[ '${{ matrix.target.cpu }}' == 'amd64' ]]; then
            ROCKSDBSUB=x64
            SQLITE_URL="https://www.sqlite.org/2018/sqlite-dll-win64-x64-3240000.zip"
            SQLITE_DLL="sqlite3_64.dll"
          else
            ROCKSDBSUB=x86
            SQLITE_URL="https://www.sqlite.org/2018/sqlite-dll-win32-x86-3240000.zip"
            SQLITE_DLL="sqlite3_32.dll"
          fi
          DLLPATH=external/dlls-${{ 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" "$DLLPATH/librocksdb.dll"
          # SQLITE
          curl -L "$SQLITE_URL" -o external/sqlite-dll.zip
          7z x -y external/sqlite-dll.zip
          cp ./sqlite3.dll "$DLLPATH/$SQLITE_DLL"
          # LMDB
          LMDBVER="0.9.22"
          LMDB_PATH="lmdb-LMDB_$LMDBVER/libraries/liblmdb"
          curl -L "https://github.com/LMDB/lmdb/archive/LMDB_$LMDBVER.tar.gz" -o "LMDB_$LMDBVER.tar.gz"
          tar xzf "LMDB_$LMDBVER.tar.gz"
          cd "$LMDB_PATH"
          gcc -march=native -O3 -pipe -shared -o lmdb.dll mdb.c midl.c -lntdll
          cd ../../..
          cp "$LMDB_PATH/lmdb.dll" "$DLLPATH/lmdb.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: NimBinaries
          key: 'NimBinaries-${{ matrix.target.os }}-${{ matrix.target.cpu }}-${{ steps.versions.outputs.nimbus_build_system }}'

      - name: Build Nim and associated tools
        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
          echo '${{ github.workspace }}/nim/bin' >> $GITHUB_PATH

      - name: Run nim-eth tests
        shell: bash
        working-directory: nim-eth
        run: |
          export PLATFORM="${{ matrix.target.os }}-${{ matrix.target.cpu }}"
          export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:/usr/local/lib"
          nimble install -y --depsOnly
          nimble test
          nimble build_dcli
          nimble build_fuzzers