lints.yml

name: Lints

# We only run these lints on trial-merges of PRs to reduce noise.
on:
  merge_group:
  pull_request:
    types: [synchronize, opened, reopened, ready_for_review]
  push:
    branches:
      - main

jobs:
  skip_check:
    runs-on: ubuntu-latest
    outputs:
      should_skip: ${{ steps.skip_check.outputs.should_skip }}
    steps:
      - id: skip_check
        uses: fkirc/skip-duplicate-actions@v5
        with:
          cancel_others: 'true'
          concurrent_skipping: 'same_content_newer'
          paths_ignore: '["**/README.md", "mpt-witness-generator/**"]'

  lints:
    needs: [skip_check]
    if: |
      github.event.pull_request.draft == false &&
      (github.event.action == 'ready_for_review' || needs.skip_check.outputs.should_skip != 'true')

    name: Various lints
    timeout-minutes: 30
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2
      - uses: actions-rs/toolchain@v1
        with:
          components: rustfmt, clippy
          override: false
      # Go cache for building geth-utils
      - name: Go cache
        uses: actions/cache@v3
        with:
          path: |
            ~/.cache/go-build
            ~/go/pkg/mod
          key: lint-${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-
      - name: Cargo cache
        uses: actions/cache@v3
        with:
          path: |
            ~/.cargo/bin/
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
            target/
          key: lint-${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}

      - name: Install solc
        run: |
          sudo wget -O /usr/bin/solc https://github.com/ethereum/solidity/releases/download/v0.8.21/solc-static-linux
          sudo chmod +x /usr/bin/solc
      - name: Update ERC20 git submodule
        run: git submodule update --init --recursive --checkout integration-tests/contracts/vendor/openzeppelin-contracts
      - name: Cargo build
        uses: actions-rs/cargo@v1
        with:
          command: build
      - name: Check code format
        uses: actions-rs/cargo@v1
        with:
          command: fmt
          args: --all -- --check

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

      # Ensure intra-documentation links all resolve correctly
      # Requires #![deny(intra_doc_link_resolution_failure)] in crates.
      - name: Check intra-doc links
        uses: actions-rs/cargo@v1
        with:
          command: doc
          args: --no-deps --all --document-private-items