on:
  push:
    branches:
      - main
  pull_request:

env:
  RUSTFLAGS: -D warnings
  CARGO_TERM_COLOR: always
  GETH_BUILD: 1.10.26-e5eb32ac

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

name: ci
jobs:
  test:
    # Pin to `20.04` instead of `ubuntu-latest`, until ubuntu-latest migration is complete
    # See also <https://github.com/foundry-rs/foundry/issues/3827>
    runs-on: ubuntu-20.04
    steps:
      - name: Checkout sources
        uses: actions/checkout@v3
      - name: Install toolchain
        uses: dtolnay/rust-toolchain@stable
        with:
          components: llvm-tools-preview
      - uses: Swatinem/rust-cache@v2
        with:
          cache-on-failure: true

      - name: Install geth
        run: |
            mkdir -p "$HOME/bin"
            wget -q https://gethstore.blob.core.windows.net/builds/geth-linux-amd64-$GETH_BUILD.tar.gz
            tar -xvf geth-linux-amd64-$GETH_BUILD.tar.gz
            mv geth-linux-amd64-$GETH_BUILD/geth $HOME/bin/geth
            chmod u+x "$HOME/bin/geth"
            export PATH=$HOME/bin:$PATH
            echo $HOME/bin >> $GITHUB_PATH
            geth version

      - name: Install latest nextest release
        uses: taiki-e/install-action@nextest
      - name: Install cargo-llvm-cov
        uses: taiki-e/install-action@cargo-llvm-cov

      - name: Run tests
        run: cargo llvm-cov nextest --lcov --output-path lcov.info --locked --workspace --all-features

      - name: Upload coverage data to codecov
        uses: codecov/codecov-action@v3
        with:
          token: ${{ secrets.CODECOV_TOKEN }}
          files: lcov.info
          flags: unit-tests

  eth-blockchain:
    name: ethereum blockchain tests (stable)
    runs-on: ubuntu-latest
    env:
      RUST_LOG: info,sync=error 
    steps:
      - name: Checkout sources
        uses: actions/checkout@v2

      - name: Checkout ethereum/tests
        uses: actions/checkout@v2
        with:
          repository: ethereum/tests
          path: ethtests
          submodules: recursive

      - name: Install toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          profile: minimal
          override: true

      - uses: Swatinem/rust-cache@v1
        with:
          cache-on-failure: true

      - name: Run Ethereum tests
        run: cargo run --release -- test-chain ethtests/BlockchainTests/GeneralStateTests/

  fuzz:
    # Skip the Fuzzing Jobs until we make them run fast and reliably. Currently they will
    # always recompile the codebase for each test and that takes way too long.
    if: false

    # Pin to `20.04` instead of `ubuntu-latest`, until ubuntu-latest migration is complete
    # See also <https://github.com/foundry-rs/foundry/issues/3827>
    runs-on: ubuntu-20.04
    strategy:
      matrix:
        target:
          - reth-primitives
          - reth-db
          - reth-eth-wire
          - reth-codecs
    steps:
      - name: Checkout sources
        uses: actions/checkout@v3
      - name: Install toolchain
        uses: dtolnay/rust-toolchain@stable
        with:
          components: llvm-tools-preview
      - uses: Swatinem/rust-cache@v2
        with:
          cache-on-failure: true

      - name: Install fuzzer
        uses: actions-rs/cargo@v1
        with:
          command: install
          args: cargo-test-fuzz afl
      - name: Force install cargo-afl
        run: |
          cargo install --force afl
          cargo afl --version
      - name: Install cargo-llvm-cov
        uses: taiki-e/install-action@cargo-llvm-cov

      - name: Run fuzz tests
        run: |
          ./.github/scripts/fuzz.sh ${{ matrix.target }}
        env:
          AFL_I_DONT_CARE_ABOUT_MISSING_CRASHES: 1
      - name: Upload coverage data to codecov
        uses: codecov/codecov-action@v3
        with:
          token: ${{ secrets.CODECOV_TOKEN }}
          files: lcov.info
          flags: fuzz-tests

  lint:
    # Pin to `20.04` instead of `ubuntu-latest`, until ubuntu-latest migration is complete
    # See also <https://github.com/foundry-rs/foundry/issues/3827>
    runs-on: ubuntu-20.04
    steps:
      - name: Checkout sources
        uses: actions/checkout@v3
      - name: Install toolchain
        uses: dtolnay/rust-toolchain@nightly
        with:
          components: rustfmt, clippy
      - uses: Swatinem/rust-cache@v2
        with:
          cache-on-failure: true

      - name: cargo fmt
        uses: actions-rs/cargo@v1
        with:
          command: fmt
          args: --all --check

      - name: cargo clippy
        uses: actions-rs/clippy-check@v1
        with:
          args: --all --all-features
          token: ${{ secrets.GITHUB_TOKEN }}