main.yml

name: CI

on:
  push:
    branches:
      - master
      - ci/test
  pull_request:

env:
  PROPTEST_CASES: 100

jobs:
  update_deps:
    name: Update dependencies
    runs-on: ubuntu-latest
    outputs:
      crates-io-index-head: ${{ steps.ls-crates-io-index.outputs.head }}
    steps:
      - uses: actions/checkout@v2

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

      - id: ls-crates-io-index
        name: Get head commit hash of crates.io registry index
        shell: bash
        run: |
          commit=$(
            git ls-remote --heads https://github.com/rust-lang/crates.io-index.git master |
            cut -f 1
          )
          echo "$commit"
          echo "::set-output name=head::$commit"

      - name: Cache cargo registry index
        uses: actions/cache@v2
        with:
          path: ~/.cargo/registry/index
          key: cargo-index-v2-${{ steps.ls-crates-io-index.outputs.head }}
          restore-keys: |
            cargo-index-v2-

      - name: Generate Cargo.lock
        run: cargo generate-lockfile

      - id: cache-deps
        name: Cache dependency crates
        uses: actions/cache@v2
        with:
          path: ~/.cargo/registry/cache
          key: cargo-deps-v2-${{ hashFiles('Cargo.lock') }}

      - if: ${{ steps.cache-deps.outputs.cache-hit != 'true' }}
        name: Fetch dependencies
        run: cargo fetch --locked

      - name: Upload Cargo.lock
        uses: actions/upload-artifact@v2
        with:
          name: lockfile
          path: Cargo.lock

  test:
    name: Test
    needs: update_deps
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
        toolchain: [stable]
        mode: ["", "--release"]
        experimental: [false]
        include:
          - os: ubuntu-latest
            toolchain: nightly
            experimental: true
    runs-on: ${{ matrix.os }}
    continue-on-error: ${{ matrix.experimental }}
    timeout-minutes: 120
    env:
      PROPTEST_MAX_SHRINK_ITERS: 10000
      CARGO_INCREMENTAL: 0
    steps:
      - uses: actions/checkout@v2
        with:
          submodules: true

      - name: Download Cargo.lock
        uses: actions/download-artifact@v2
        with:
          name: lockfile

      - name: Install Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: ${{ matrix.toolchain }}
          profile: minimal
          override: true

      # https://github.com/actions/virtual-environments/issues/895
      # https://github.com/actions/virtual-environments/issues/936
      - if: ${{ runner.os == 'Windows' }}
        name: Clean up cargo registry files
        run: rm -r -fo $env:UserProfile\.cargo\registry

      - if: ${{ runner.os == 'Windows' }}
        name: Allow long paths on Windows
        shell: powershell
        run: |
          reg add HKLM\SYSTEM\CurrentControlSet\Control\FileSystem /v LongPathsEnabled /t REG_DWORD /d 1 /f
          git config --system core.longpaths true

      - name: Restore cargo registry index
        uses: actions/cache@v2
        with:
          path: ~/.cargo/registry/index
          key: cargo-index-v2-${{ needs.update_deps.outputs.crates-io-index-head }}
          # Windows needs fallback: https://github.com/actions/cache/issues/330
          restore-keys: cargo-index-v2-

      - name: Restore dependency crates
        uses: actions/cache@v2
        with:
          path: ~/.cargo/registry/cache
          key: cargo-deps-v2-${{ hashFiles('Cargo.lock') }}

      - name: Build
        uses: actions-rs/cargo@v1
        continue-on-error: false
        with:
          command: build
          args: --all-targets ${{ matrix.mode }} ${{ matrix.features }} --locked

      # Note that currently all benchmarks within this workspace require it. An additional step may
      # be needed if some future benchmarks won't require that feature.
      - name: Build benchmarks requiring with-bench feature
        # building when alternative profiles are set is pointless: benchmarks are always build with
        # their own profile.
        if: ${{ matrix.mode == '' }}
        uses: actions-rs/cargo@v1
        continue-on-error: false
        with:
          command: bench
          args: --features with-bench --no-run --locked

      - name: Run tests
        uses: actions-rs/cargo@v1
        continue-on-error: false
        with:
          command: test
          args: ${{ matrix.mode }} ${{ matrix.features }} --locked

      - name: Test chain-network without default features
        uses: actions-rs/cargo@v1
        continue-on-error: false
        env:
          RUSTFLAGS: -D warnings
        with:
          command: test
          args: >-
            ${{ matrix.mode }} --locked
            --manifest-path chain-network/Cargo.toml --no-default-features

      - name: Test chain-vote with p256k1 backend
        uses: actions-rs/cargo@v1
        continue-on-error: false
        env:
          RUSTFLAGS: -D warnings
        with:
          command: test
          args: >-
            ${{ matrix.mode }} --locked
            --manifest-path chain-vote/Cargo.toml --features p256k1

      - name: Test evm support in the ledger
        uses: actions-rs/cargo@v1
        continue-on-error: false
        env:
          RUSTFLAGS: -D warnings
        with:
          command: test
          args: >-
            ${{ matrix.mode }} --locked
            --manifest-path chain-impl-mockchain/Cargo.toml --features evm

  lints:
    name: Lints
    needs: update_deps
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2

      - name: Download Cargo.lock
        uses: actions/download-artifact@v2
        with:
          name: lockfile

      - uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          profile: minimal
          components: rustfmt, clippy
          override: true

      - name: Print rustfmt version
        run: rustfmt --version

      - name: Run cargo fmt
        uses: actions-rs/cargo@v1
        continue-on-error: false
        with:
          command: fmt
          args: -- --check

      - name: Restore cargo registry index
        uses: actions/cache@v2
        with:
          path: ~/.cargo/registry/index
          key: cargo-index-v2-${{ needs.update_deps.outputs.crates-io-index-head }}

      - name: Restore dependency crates
        uses: actions/cache@v2
        with:
          path: ~/.cargo/registry/cache
          key: cargo-deps-v2-${{ hashFiles('Cargo.lock') }}

      - name: Run cargo clippy
        uses: actions-rs/cargo@v1
        continue-on-error: false
        with:
          command: clippy
          args: --all-targets --all-features -- -D warnings

      - name: Run cargo clippy (all features)
        uses: actions-rs/cargo@v1
        continue-on-error: false
        with:
          command: clippy
          args: --all-features -- -D warnings

  test_coverage:
    name: Test Coverage
    needs: update_deps
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
        with:
          submodules: true

      - name: Download Cargo.lock
        uses: actions/download-artifact@v2
        with:
          name: lockfile

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

      - name: Restore cargo registry index
        uses: actions/cache@v2
        with:
          path: ~/.cargo/registry/index
          key: cargo-index-v2-${{ needs.update_deps.outputs.crates-io-index-head }}

      - name: Restore dependency crates
        uses: actions/cache@v2
        with:
          path: ~/.cargo/registry/cache
          key: cargo-deps-v2-${{ hashFiles('Cargo.lock') }}

      - name: Run cargo-tarpaulin
        uses: actions-rs/tarpaulin@v0.1
        with:
          args: '--ignore-tests --out Lcov'
          timeout: 600

      - name: upload to Coveralls
        uses: coverallsapp/github-action@master
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          path-to-lcov: './lcov.info'