ci.yml

name: CI

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ '*' ]

env:
  MIX_ENV: test
  RUST_WORKSPACES: |
    native/snappy -> target
    native/ssz_nif -> target
    
permissions:
  contents: read

jobs:
  compile-native:
    name: Build native libraries
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v3
      - name: Set up Elixir
        # NOTE: this is needed for the NIF header files
        uses: erlef/setup-beam@v1
        with:
          version-type: strict
          version-file: .tool-versions
      - name: Set up Go
        # NOTE: this action comes with caching by default
        uses: actions/setup-go@v4
        with:
          go-version: "1.21"
          cache-dependency-path: |
            native/libp2p_nif/go.sum
            native/libp2p_port/go.sum
      - name: Cache output artifacts
        id: output-cache
        uses: actions/cache@v3
        with:
          path: priv/native/*
          key: ${{ runner.os }}-native-${{ hashFiles('native/**') }}
      - name: Install dependencies
        if: steps.output-cache.outputs.cache-hit != 'true'
        run: |
          sudo apt-get install -y protobuf-compiler
          go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
          protoc --go_out=./native/libp2p_port proto/libp2p.proto
      - name: Compile native code
        if: steps.output-cache.outputs.cache-hit != 'true'
        run: make compile-port compile-native

  build:
    name: Build project
    needs: compile-native
    runs-on: ubuntu-22.04
    steps:
    - uses: actions/checkout@v3
    - name: Set up Elixir
      uses: erlef/setup-beam@v1
      with:
        version-type: strict
        version-file: .tool-versions
    - name: Fetch native libraries
      id: output-cache
      uses: actions/cache/restore@v3
      with:
        path: priv/native/*
        key: ${{ runner.os }}-native-${{ hashFiles('native/**') }}
        fail-on-cache-miss: true
    - name: Restore dependencies cache
      uses: actions/cache@v3
      with:
        path: deps
        key: ${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}
        restore-keys: ${{ runner.os }}-mix-
    - name: Install dependencies
      run: |
        sudo apt-get install -y protobuf-compiler
        echo $(protoc --version)
        mix escript.install --force hex protobuf
        protoc --elixir_out=./lib proto/libp2p.proto
        mix deps.get
    - name: Set up cargo cache
      uses: Swatinem/rust-cache@v2
      with:
        workspaces: ${{ env.RUST_WORKSPACES }}
    - name: Compile Elixir (Warnings as errors)
      run: mix compile --warnings-as-errors
    - name: Retrieve PLT Cache
      uses: actions/cache@v1
      id: plt-cache
      with:
        path: priv/plts
        key: ${{ runner.os }}-plts-${{ hashFiles(format('{0}{1}', github.workspace, '/mix.lock')) }}
    - name: Create PLTs
      if: steps.plt-cache.outputs.cache-hit != 'true'
      run: |
        mkdir -p priv/plts
        mix dialyzer --plt
    - name: Run dialyzer
      run: mix dialyzer --no-check

  test:
    name: Test
    needs: compile-native
    runs-on: ubuntu-22.04
    steps:
    - uses: actions/checkout@v3
    - name: Set up Elixir
      uses: erlef/setup-beam@v1
      with:
        version-type: strict
        version-file: .tool-versions
    - name: Fetch native libraries
      id: output-cache
      uses: actions/cache/restore@v3
      with:
        path: priv/native/*
        key: ${{ runner.os }}-native-${{ hashFiles('native/**') }}
        fail-on-cache-miss: true
    - name: Restore dependencies cache
      uses: actions/cache@v3
      with:
        path: deps
        key: ${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}
        restore-keys: ${{ runner.os }}-mix-
    - name: Set up cargo cache
      uses: Swatinem/rust-cache@v2
      with:
        workspaces: ${{ env.RUST_WORKSPACES }}
    - name: Install dependencies
      run: |
        sudo apt-get install -y protobuf-compiler
        mix escript.install --force hex protobuf
        protoc --elixir_out=./lib proto/libp2p.proto
        mix deps.get
    - name: Run tests
      run: mix test --no-start --trace --exclude spectest

  lint:
    name: Lint
    runs-on: ubuntu-22.04
    steps:
    - uses: actions/checkout@v3
    - name: Set up Elixir
      uses: erlef/setup-beam@v1
      with:
        version-type: strict
        version-file: .tool-versions
    - name: Restore dependencies cache
      uses: actions/cache@v3
      with:
        path: deps
        key: ${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}
        restore-keys: ${{ runner.os }}-mix-
    - name: Install dependencies
      run: mix deps.get
    - name: Check format
      run: |
        make fmt
        git diff --exit-code
    - name: Run credo
      run: mix credo --strict

  download-spectests:
    name: Download spectests
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v3
      - name: Cache compressed spectests
        id: output-cache
        uses: actions/cache@v3
        with:
          path: ./*.tar.gz
          key: ${{ runner.os }}-spectest-${{ hashFiles('.spectest_version') }}
          lookup-only: true
      - name: Download spectests
        if: steps.output-cache.outputs.cache-hit != 'true'
        run: make download-vectors

  spectests:
    name: Run spec-tests
    needs: [compile-native, download-spectests]
    strategy:
      matrix:
        config: ["minimal", "general", "mainnet"]
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v3
      - name: Set up Elixir
        uses: erlef/setup-beam@v1
        with:
          version-type: strict
          version-file: .tool-versions
      - name: Fetch native libraries
        uses: actions/cache/restore@v3
        with:
          path: priv/native/*
          key: ${{ runner.os }}-native-${{ hashFiles('native/**') }}
          fail-on-cache-miss: true
      - name: Fetch spectest vectors
        uses: actions/cache/restore@v3
        with:
          path: ./*.tar.gz
          key: ${{ runner.os }}-spectest-${{ hashFiles('.spectest_version') }}
          fail-on-cache-miss: true
      - name: Restore dependencies cache
        uses: actions/cache@v3
        with:
          path: deps
          key: ${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}
          restore-keys: ${{ runner.os }}-mix-
      - name: Set up cargo cache
        uses: Swatinem/rust-cache@v2
        with:
          workspaces: ${{ env.RUST_WORKSPACES }}
      - name: Install dependencies
        run: |
          sudo apt-get install -y protobuf-compiler
          mix escript.install --force hex protobuf
          protoc --elixir_out=./lib proto/libp2p.proto
          mix deps.get
      - name: Uncompress vectors
        run: make test/spec/vectors/tests/${{ matrix.config }}
      - name: Generate tests
        run: make gen-spec
      - name: Run tests
        run: mix test --no-start test/generated/${{ matrix.config }}/*/*