circle.yml

defaults:

  update-submodules: &update-submodules
    run:
      name: "Update git submodules"
      command: |
        git submodule update --init

  upload-hunter-cache: &upload-hunter-cache
    run:
      name: "Upload Hunter cache"
      working_directory: ~/build
      command: |  # Upload Hunter cache if not PR build.
        if [ ! "$CIRCLE_PR_NUMBER" ]; then
          cmake --build . --target hunter_upload_cache
        fi

  environment-info: &environment-info
    run:
      name: "Environment info"
      command: |
        echo CXX: $CXX
        $CXX --version
        $CXX --version > compiler.version

  configure: &configure
    run:
      name: "Configure"
      # Build "out-of-source" to have better coverage report
      # (ninja is using relative paths otherwise).
      working_directory: ~/build
      command: |
        cmake ../project -G "$GENERATOR" -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DCOVERAGE=ON $CMAKE_OPTIONS

  build: &build
    run:
      name: "Build"
      working_directory: ~/build
      command: cmake --build . -- -j $BUILD_PARALLEL_JOBS

  test: &test
    run:
      name: "Test"
      working_directory: ~/build
      command: |
        if [ $(uname) = Linux ]; then
          export TMPDIR=/dev/shm
        fi
        export ETHEREUM_TEST_PATH=~/project/test/jsontests

        # If the DAG file does not exist, we have to run a single test with mining
        # to create it before we can run tests in parallel.
        if [ ! -f ~/.ethash/full-R23-0000000000000000 ]; then
          test/testeth -t BlockChainSuite/updateStats
        fi

        ctest --output-on-failure -j $TEST_PARALLEL_JOBS

  store-eth: &store-eth
    store_artifacts:
      path: ~/build/eth/eth
      destination: eth
    store_artifacts:
      path: ~/build/test/testeth
      destination: testeth

  store-testeth: &store-testeth
    store_artifacts:
      path: ~/build/test/testeth
      destination: testeth

  store-randomcode-seed: &store-randomcode-seed
    store_artifacts:
      path: ~/build/test/randomCodeSeed.txt
      destination: randomCodeSeed.txt

  save-deps-cache: &save-deps-cache
    cache-save:
      name: "Save dependencies cache"
      key: &deps-cache-key deps-2-{{arch}}-{{checksum "compiler.version"}}-{{checksum "cmake/ProjectLibFF.cmake"}}
      paths:
        - build/deps

  restore-deps-cache: &restore-deps-cache
    cache-restore:
      name: "Restore dependencies cache"
      key: *deps-cache-key

  save-ethash-dag: &save-ethash-dag
    cache-save:
      name: "Save Ethash DAG file"
      key: &ethash-dag-key ethash-dag0-{{arch}}
      paths:
        - ~/.ethash/full-R23-0000000000000000

  restore-ethash-dag: &restore-ethash-dag
    cache-restore:
      name: "Restore Ethash DAG file"
      key: *ethash-dag-key

  upload-coverage-data: &upload-coverage-data
    run:
      name: "Upload coverage data"
      command: |
        pwd
        $GCOV --version
        codecov --required --gcov-exec "$GCOV" --gcov-root ~/build

  linux-steps: &linux-steps
    - checkout
    - *update-submodules
    - *environment-info
    - *restore-deps-cache
    - *configure
    - *upload-hunter-cache
    - *build
    - *save-deps-cache
    - *store-eth
    - *store-testeth
    - *restore-ethash-dag
    - *test
    - *save-ethash-dag
    - *upload-coverage-data


version: 2
jobs:

  Linux-Clang5:
    environment:
      - CXX: clang++-5.0
      - CC:  clang-5.0
      - GCOV: llvm-cov-5.0 gcov
      - GENERATOR: Ninja
      - BUILD_PARALLEL_JOBS: 8
      - TEST_PARALLEL_JOBS: 8
    docker:
      - image: ethereum/cpp-build-env
    steps: *linux-steps

  Linux-GCC6-Debug:
    environment:
      - BUILD_TYPE: Debug
      - CXX: g++-6
      - CC:  gcc-6
      - GCOV: gcov-6
      - GENERATOR: Ninja
      - BUILD_PARALLEL_JOBS: 4
      - TEST_PARALLEL_JOBS: 4
      # TODO: Fix memory leaks reported in leveldb.
      # - CMAKE_OPTIONS: -DSANITIZE=address
      # - ASAN_OPTIONS: detect_leaks=0
    docker:
      - image: ethereum/cpp-build-env
    steps: *linux-steps

  macOS-XCode9:
    environment:
      - CXX: clang++
      - GCOV: gcov
      - GENERATOR: Ninja
      - BUILD_PARALLEL_JOBS: 8
      - TEST_PARALLEL_JOBS: 8
    macos:
      xcode: "9.0"
    steps:
      - checkout
      - *update-submodules
      - *environment-info
      - run:
          name: "Install macOS dependencies"
          command: |
            pip install -q requests codecov &
            HOMEBREW_NO_AUTO_UPDATE=1 brew install -q cmake ninja leveldb &
            wait
      - *restore-deps-cache
      - *configure
      - *upload-hunter-cache
      - *build
      - *save-deps-cache
      - *store-eth
      - *store-testeth
      - *restore-ethash-dag
      - *test
      - *store-randomcode-seed
      - *save-ethash-dag
      - *upload-coverage-data

# TODO: Run GCC6 build only in develop branch.
# TODO: Enabled nightly builds and add more configs.
# TODO: Separate builds from testing jobs.
workflows:
  version: 2
  cpp-ethereum:
    jobs:
      - macOS-XCode9
      - Linux-Clang5
      - Linux-GCC6-Debug