name: CI

on:
  pull_request:
  push:
    branches:
      - 'staging'
      - 'trying'
      - 'master'

jobs:
  static_analysis:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v2

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

      - name: Cache ~/.cargo/bin directory
        uses: actions/cache@v1
        with:
          path: ~/.cargo/bin
          key: ubuntu-rust-${{ env.RUST_TOOLCHAIN }}-cargo-bin-directory-v1

      - name: Install tomlfmt
        run: which cargo-tomlfmt || cargo install cargo-tomlfmt

      - name: Check Cargo.toml formatting
        run: |
          cargo tomlfmt -d -p Cargo.toml
          cargo tomlfmt -d -p monero-harness/Cargo.toml
          cargo tomlfmt -d -p swap/Cargo.toml

      - name: Check code formatting
        run: cargo fmt --all -- --check

      - name: Run clippy with default features
        run: cargo clippy --workspace --all-targets -- -D warnings

      - name: Run clippy with all features enabled (e.g. tor)
        run: cargo clippy --workspace --all-targets --all-features -- -D warnings

  build_test:
    env:
      RUST_TEST_TASKS: 2
    strategy:
      matrix:
        target: [ x86_64-unknown-linux-gnu, x86_64-apple-darwin ]
        include:
          - target: x86_64-unknown-linux-gnu
            os: ubuntu-latest
          - target: x86_64-apple-darwin
            os: macos-latest
            skip_tests: true # Most likely do not work due to docker usage, TODO: add feature flag to allow unit tests
    runs-on: ${{ matrix.os }}
    steps:

      - name: Checkout sources
        uses: actions/checkout@v2

      - name: Install and stop tor in case it was running
        if: (matrix.os == 'ubuntu-latest' && !matrix.skip_tests)
        run: |
          sudo apt install software-properties-common
          sudo curl https://deb.torproject.org/torproject.org/A3C4F0F979CAA22CDBA8F512EE8CBC9E886DDD89.asc | sudo gpg --import
          sudo gpg --export A3C4F0F979CAA22CDBA8F512EE8CBC9E886DDD89 | sudo apt-key add -
          sudo add-apt-repository 'deb https://deb.torproject.org/torproject.org bionic main'
          sudo apt update
          sudo apt install tor deb.torproject.org-keyring
          sudo /etc/init.d/tor stop

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

      - name: Cache target directory
        uses: actions/cache@v1
        if: matrix.os == 'ubuntu-latest'
        with:
          path: target
          key: rust-${{ matrix.target }}-target-directory-${{ hashFiles('Cargo.lock') }}-v1

      - name: Cache ~/.cargo/registry directory
        uses: actions/cache@v1
        with:
          path: ~/.cargo/registry
          key: rust-${{ matrix.target }}-cargo-registry-directory-${{ hashFiles('Cargo.lock') }}-v1

      - name: Cargo check release code with default features
        run: cargo check --workspace

      - name: Cargo check all features
        run: cargo check --workspace --all-targets --all-features

      - name: Build tests
        run: cargo build --tests --workspace --all-features

      - name: Run monero-harness tests
        if: matrix.os == 'ubuntu-latest'
        run: cargo test --package monero-harness --all-features

      - name: Run library tests for swap
        run: cargo test --package swap --lib --all-features

      - name: Build binary
        run: |
          cargo build -p swap --target ${{ matrix.target }}

      - name: Upload binary
        uses: actions/upload-artifact@v2-preview
        with:
          name: swap-${{ matrix.target }}
          path: target/${{ matrix.target }}/debug/swap

  docker_tests:
    env:
      TARGET: x86_64-unknown-linux-gnu
    strategy:
      matrix:
        test_name: [
            happy_path,
            happy_path_restart_alice,
            happy_path_restart_bob_after_comm,
            happy_path_restart_bob_after_lock_proof_received,
            happy_path_restart_bob_before_comm,
            punish,
            refund_restart_alice_cancelled,
            refund_restart_alice,
        ]
    runs-on: ubuntu-latest
    steps:

      - name: Checkout sources
        uses: actions/checkout@v2

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

      - name: Cache target directory
        uses: actions/cache@v1
        with:
          path: target
          key: rust-${{ env.TARGET }}-target-directory-${{ hashFiles('Cargo.lock') }}-v1

      - name: Cache ~/.cargo/registry directory
        uses: actions/cache@v1
        with:
          path: ~/.cargo/registry
          key: rust-${{ env.TARGET }}-cargo-registry-directory-${{ hashFiles('Cargo.lock') }}-v1

      - name: Run test ${{ matrix.test_name }}
        run: cargo test --package swap --all-features --test ${{ matrix.test_name }} ""
        env:
          MONERO_ADDITIONAL_SLEEP_PERIOD: 60000
          RUST_MIN_STACK: 16777216 # 16 MB. Default is 8MB. This is fine as in tests we start 2 programs: Alice and Bob.