rust.yml

name: Rust

on:
  push:
    branches:
      - main
    paths-ignore:
      - "**.md"
      - ".github/CODEOWNERS"
  pull_request:
    paths-ignore:
      - "**.md"
      - ".github/CODEOWNERS"
  workflow_dispatch:
  merge_group:

concurrency:
  group: rust-${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

env:
  # Not needed in CI, should make things a bit faster
  CARGO_INCREMENTAL: 0
  CARGO_TERM_COLOR: always
  # Build smaller artifacts to avoid running out of space in CI
  # TODO: Try to remove once https://github.com/paritytech/substrate/issues/11538 is resolved
  # TODO: AES flag is such that we have decent performance on ARMv8, remove once `aes` crate bumps MSRV to at least
  #  1.61: https://github.com/RustCrypto/block-ciphers/issues/373
  RUSTFLAGS: -C strip=symbols -C opt-level=s --cfg aes_armv8
  # Remove unnecessary WASM build artefacts
  WASM_BUILD_CLEAN_TARGET: 1

jobs:
  cargo-fmt:
    runs-on: ${{ fromJson(github.repository_owner == 'subspace' && '["self-hosted", "ubuntu-20.04-x86-64"]' || 'ubuntu-22.04') }}

    steps:
      - name: Checkout
        uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8 # @v3.1.0

      - name: Install Protoc
        uses: arduino/setup-protoc@9b1ee5b22b0a3f1feb8c2ff99b32c89b3c3191e9 # v2.0.0
        with:
          repo-token: ${{ secrets.GITHUB_TOKEN }}

      - name: Configure cache
        uses: actions/cache@704facf57e6136b1bc63b828d79edcd491f0ee84 # @v3.3.2
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.toml') }}

      - name: cargo fmt
        uses: actions-rs/cargo@ae10961054e4aa8b4aa7dffede299aaf087aa33b # @v1.0.1
        with:
          command: fmt
          args: --all -- --check

  cargo-clippy:
    strategy:
      matrix:
        os: ${{ fromJson(github.repository_owner == 'subspace' && '[["self-hosted", "ubuntu-20.04-x86-64"], ["self-hosted", "macos-12-arm64"], ["self-hosted", "windows-server-2022-x86-64"]]' || '["ubuntu-22.04", "macos-12", "windows-2022"]') }}

    runs-on: ${{ matrix.os }}

    steps:
      - name: Checkout
        uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8 # @v3.1.0

      # On macOS, we need a proper Clang version, not Apple's custom version without wasm32 support
      # TODO: on macOS, the consensus/domain runtime build is not compatible with LLVM 15.0.7 and
      # LLVM 15.0.{3, 4, 5, 6} is not released for macOS thus install LLVM 15.0.2 explicitly as a
      # temporary workaround, and remove once incompatible is fixed.
      - name: Install LLVM and Clang for macOS
        uses: KyleMayes/install-llvm-action@c135b3937686fd69c2651507aabc9925a8f9eee8 # v1.8.3
        with:
          version: "15.0.2"
        if: runner.os == 'macOS'

      # TODO: on Linux and Windows, the consensus/domain runtime build is not compatible with LLVM 16,
      # thus install LLVM 15 explicitly as a temporary workaround, and remove once incompatible is fixed.
      - name: Install LLVM and Clang for Linux and Windows
        uses: KyleMayes/install-llvm-action@c135b3937686fd69c2651507aabc9925a8f9eee8 # v1.8.3
        with:
          version: "15.0"
        if: runner.os != 'macOS'

      - name: Install Protoc
        uses: arduino/setup-protoc@9b1ee5b22b0a3f1feb8c2ff99b32c89b3c3191e9 # v2.0.0
        with:
          repo-token: ${{ secrets.GITHUB_TOKEN }}

      # Workaround to resolve link error with C:\msys64\mingw64\bin\libclang.dll
      - name: Remove msys64
        run: Remove-Item -LiteralPath "C:\msys64\" -Force -Recurse
        if: runner.os == 'Windows'
        # Doesn't exist on self-hosted runners
        continue-on-error: true

      - name: Configure cache
        uses: actions/cache@9b0c1fce7a93df8e3bb8926b0d6e9d89e92f20a7 # @v3.3.2
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.toml') }}

      - name: cargo clippy
        uses: actions-rs/clippy-check@b5b5f21f4797c02da247df37026fcd0a5024aa4d # @v1.0.7
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          args: --locked --all-targets --features "runtime-benchmarks" -- -D warnings

  cargo-docs:
    runs-on: ${{ fromJson(github.repository_owner == 'subspace' && '["self-hosted", "ubuntu-20.04-x86-64"]' || 'ubuntu-22.04') }}
    steps:
      - name: Checkout
        uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8 # @v3.1.0

      - name: Install Protoc
        uses: arduino/setup-protoc@9b1ee5b22b0a3f1feb8c2ff99b32c89b3c3191e9 # v2.0.0
        with:
          repo-token: ${{ secrets.GITHUB_TOKEN }}

      - name: Configure cache
        uses: actions/cache@9b0c1fce7a93df8e3bb8926b0d6e9d89e92f20a7 # @v3.3.2
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.toml') }}

      - name: Check Documentation
        run: cargo doc --locked --all --no-deps --lib
        env:
          RUSTDOCFLAGS: "-D rustdoc::broken-intra-doc-links -D rustdoc::private_intra_doc_links"

  cargo-test:
    strategy:
      matrix:
        os: ${{ fromJson(github.repository_owner == 'subspace' && '[["self-hosted", "ubuntu-20.04-x86-64"], ["self-hosted", "macos-12-arm64"], ["self-hosted", "windows-server-2022-x86-64"]]' || '["ubuntu-22.04", "macos-12", "windows-2022"]') }}

    runs-on: ${{ matrix.os }}

    steps:
      - name: Checkout
        uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8 # @v3.1.0

      # On macOS, we need a proper Clang version, not Apple's custom version without wasm32 support
      # TODO: on macOS, the consensus/domain runtime build is not compatible with LLVM 15.0.7 and
      # LLVM 15.0.{3, 4, 5, 6} is not released for macOS thus install LLVM 15.0.2 explicitly as a
      # temporary workaround, and remove once incompatible is fixed.
      - name: Install LLVM and Clang for macOS
        uses: KyleMayes/install-llvm-action@c135b3937686fd69c2651507aabc9925a8f9eee8 # v1.8.3
        with:
          version: "15.0.2"
        if: runner.os == 'macOS'

      # TODO: on Linux and Windows, the consensus/domain runtime build is not compatible with LLVM 16,
      # thus install LLVM 15 explicitly as a temporary workaround, and remove once incompatible is fixed.
      - name: Install LLVM and Clang for Linux and Windows
        uses: KyleMayes/install-llvm-action@c135b3937686fd69c2651507aabc9925a8f9eee8 # v1.8.3
        with:
          version: "15.0"
        if: runner.os != 'macOS'

      - name: Install Protoc
        uses: arduino/setup-protoc@9b1ee5b22b0a3f1feb8c2ff99b32c89b3c3191e9 # v2.0.0
        with:
          repo-token: ${{ secrets.GITHUB_TOKEN }}

      # Workaround to resolve link error with C:\msys64\mingw64\bin\libclang.dll
      - name: Remove msys64
        run: Remove-Item -LiteralPath "C:\msys64\" -Force -Recurse
        if: runner.os == 'Windows'
        # Doesn't exist on self-hosted runners
        continue-on-error: true

      - name: Install cargo-nextest
        uses: taiki-e/cache-cargo-install-action@1b76958d032c4d048c599f9fdfa48abe804d6319 # v1.2.2
        with:
          tool: cargo-nextest

      - name: Configure cache
        uses: actions/cache@9b0c1fce7a93df8e3bb8926b0d6e9d89e92f20a7 # @v3.3.2
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.toml') }}

      - name: cargo nextest run --locked
        uses: actions-rs/cargo@ae10961054e4aa8b4aa7dffede299aaf087aa33b # @v1.0.1
        with:
          command: nextest
          args: run --locked