name: Contracts

on:
  push:
    paths-ignore:
      - 'explorer/**'
  pull_request:
    paths-ignore:
      - 'explorer/**'

jobs:
  matrix_prep:
    runs-on: ubuntu-latest
    outputs:
      matrix: ${{ steps.set-matrix.outputs.matrix }}
    steps:
      # creates the matrix strategy from build_matrix_includes.json
      - uses: actions/checkout@v2
      - id: set-matrix
        uses: JoshuaTheMiller/conditional-build-matrix@main
        with:
          inputFile: '.github/workflows/contract_matrix_includes.json'
          filter: '[?runOnEvent==`${{ github.event_name }}` || runOnEvent==`always`]'
  contracts:
    # since it's going to be compiled into wasm, there's absolutely
    # no point in running CI on different OS-es
    runs-on: ubuntu-latest
    continue-on-error: ${{ matrix.rust == 'nightly' }}
    needs: matrix_prep
    strategy:
      matrix: ${{fromJson(needs.matrix_prep.outputs.matrix)}}
    steps:
      - uses: actions/checkout@v2

      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: ${{ matrix.rust }}
          target: wasm32-unknown-unknown
          override: true
          components: rustfmt, clippy

      - uses: actions-rs/cargo@v1
        env:
          RUSTFLAGS: '-C link-arg=-s'
        with:
          command: build
          args: --manifest-path contracts/Cargo.toml --workspace --target wasm32-unknown-unknown

      - uses: actions-rs/cargo@v1
        with:
          command: test
          args: --manifest-path contracts/Cargo.toml

      - uses: actions-rs/cargo@v1
        with:
          command: fmt
          args: --manifest-path contracts/Cargo.toml --all -- --check

      - uses: actions-rs/cargo@v1
        if: ${{ matrix.rust != 'nightly' }}
        with:
          command: clippy
          args: --manifest-path contracts/Cargo.toml --workspace -- -D warnings