name: CI

on:
  workflow_dispatch:
  pull_request:
  push:
    branches:
      - main

jobs:

  test:
    name: Test (+${{ matrix.rust }}) on ${{ matrix.os }}
    # The large timeout is to accommodate Windows builds
    timeout-minutes: 60
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macOS-latest]
        rust: [stable, beta]
    env:
      CARGO_INCREMENTAL: 0
      RUST_BACKTRACE: full

    steps:
      - uses: actions/checkout@v1
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: ${{ matrix.rust }}
          override: true
      - name: cargo fetch
        uses: actions-rs/cargo@v1
        with:
          command: fetch
      - name: Install LLVM on Windows
        if: matrix.os == 'windows-latest'
        run: choco install llvm -y
      - name: Skip network tests on Ubuntu and Windows
        # Ubuntu runners don't have network or DNS configured during test steps
        # Windows runners have an unreliable network
        if: matrix.os == 'ubuntu-latest' || matrix.os == 'windows-latest'
        run: echo "ZEBRA_SKIP_NETWORK_TESTS=1" >> $GITHUB_ENV
      - name: Show env vars
        run: |
            echo "ZEBRA_SKIP_NETWORK_TESTS=${{ env.ZEBRA_SKIP_NETWORK_TESTS }}"
            echo "CARGO_INCREMENTAL=${{ env.CARGO_INCREMENTAL }}"
            echo "RUST_BACKTRACE=${{ env.RUST_BACKTRACE }}"
      - name: Run tests
        uses: actions-rs/cargo@v1
        with:
          command: test
          args: --verbose --all
      # Explicitly run any tests that are usually #[ignored], modulo ZEBRA_SKIP_NETWORK_TESTS
      - name: Run zebrad large sync tests
        uses: actions-rs/cargo@v1
        with:
          command: test
          args: --verbose --manifest-path zebrad/Cargo.toml sync_large_checkpoints_ -- --ignored

  build-chain-no-features:
    name: Build (+${{ matrix.rust }}) zebra-chain w/o features on ubuntu-latest
    timeout-minutes: 60
    runs-on: ubuntu-latest
    strategy:
      matrix:
        rust: [stable, beta]
    env:
      CARGO_INCREMENTAL: 0
      RUST_BACKTRACE: full


    steps:
      - uses: actions/checkout@v1
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: ${{ matrix.rust }}
          override: true
      - name: cargo fetch
        uses: actions-rs/cargo@v1
        with:
          command: fetch
      - name: Show env vars
        run: |
            echo "ZEBRA_SKIP_NETWORK_TESTS=${{ env.ZEBRA_SKIP_NETWORK_TESTS }}"
            echo "CARGO_INCREMENTAL=${{ env.CARGO_INCREMENTAL }}"
            echo "RUST_BACKTRACE=${{ env.RUST_BACKTRACE }}"
      - name: Run build without features enabled
        working-directory: ./zebra-chain
        run: cargo build --verbose --no-default-features

  build:
    name: Build (+${{ matrix.rust }}) on ${{ matrix.os }}
    timeout-minutes: 60
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macOS-latest]
        rust: [stable, beta]
    env:
      CARGO_INCREMENTAL: 0
      RUST_BACKTRACE: full

    steps:
      - uses: actions/checkout@v1
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: ${{ matrix.rust }}
          override: true
      - name: Install LLVM on Windows
        if: matrix.os == 'windows-latest'
        run: choco install llvm -y
      - name: cargo fetch
        uses: actions-rs/cargo@v1
        with:
          command: fetch
      - name: Show env vars
        run: |
            echo "ZEBRA_SKIP_NETWORK_TESTS=${{ env.ZEBRA_SKIP_NETWORK_TESTS }}"
            echo "CARGO_INCREMENTAL=${{ env.CARGO_INCREMENTAL }}"
            echo "RUST_BACKTRACE=${{ env.RUST_BACKTRACE }}"
      - name: Build
        uses: actions-rs/cargo@v1
        with:
          command: build
          args: --verbose --release

  clippy:
    name: Clippy (stable)
    timeout-minutes: 30
    runs-on: ubuntu-latest
    env:
      CARGO_INCREMENTAL: 0
      RUST_BACKTRACE: full

    steps:
      - uses: actions/checkout@v2
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          components: clippy
          override: true
      - name: Show env vars
        run: |
            echo "ZEBRA_SKIP_NETWORK_TESTS=${{ env.ZEBRA_SKIP_NETWORK_TESTS }}"
            echo "CARGO_INCREMENTAL=${{ env.CARGO_INCREMENTAL }}"
            echo "RUST_BACKTRACE=${{ env.RUST_BACKTRACE }}"
      - name: Run clippy
        uses: actions-rs/clippy-check@v1
        with:
          name: Clippy (stable)
          token: ${{ secrets.GITHUB_TOKEN }}
          args: --all-features --all-targets -- -D warnings

  fmt:
    name: Rustfmt
    timeout-minutes: 30
    runs-on: ubuntu-latest
    env:
      CARGO_INCREMENTAL: 0
      RUST_BACKTRACE: full

    steps:
      - uses: actions/checkout@v2
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
      - run: rustup component add rustfmt
      - name: Show env vars
        run: |
            echo "ZEBRA_SKIP_NETWORK_TESTS=${{ env.ZEBRA_SKIP_NETWORK_TESTS }}"
            echo "CARGO_INCREMENTAL=${{ env.CARGO_INCREMENTAL }}"
            echo "RUST_BACKTRACE=${{ env.RUST_BACKTRACE }}"
      - uses: actions-rs/cargo@v1
        with:
          command: fmt
          args: --all -- --check