name: Test workflow

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main
    types: [opened, synchronize]

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

env:
  CARGO_TERM_COLOR: always

jobs:
  cache-polkadot:
    name: Build and cache Polkadot binaries on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-24.04, macos-14]

    steps:
      - name: Checkout repo and submodules
        uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: Install dependencies (Linux)
        if: matrix.os == 'ubuntu-24.04'
        run: |
          sudo apt-get update
          sudo apt-get install -y protobuf-compiler clang libclang-dev
          rustup target add wasm32-unknown-unknown
          rustup component add rust-src

      - name: Install dependencies (macOS)
        if: matrix.os == 'macos-14'
        run: |
          brew install protobuf
          rustup target add wasm32-unknown-unknown
          rustup component add rust-src

      - name: Cache binaries
        id: cache
        uses: actions/cache@v3
        with:
          path: |
            ~/.cargo/bin/substrate-node
            ~/.cargo/bin/eth-rpc
          key: polkadot-binaries-${{ matrix.os }}-${{ hashFiles('polkadot-sdk/.git') }}

      - name: Build substrate-node
        if: steps.cache.outputs.cache-hit != 'true'
        run: |
          cd polkadot-sdk
          cargo install --locked --force --profile=production --path substrate/bin/node/cli --bin substrate-node --features cli

      - name: Build eth-rpc
        if: steps.cache.outputs.cache-hit != 'true'
        run: |
          cd polkadot-sdk
          cargo install --path substrate/frame/revive/rpc --bin eth-rpc

  ci:
    name: CI on ${{ matrix.os }}
    needs: cache-polkadot
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-24.04, macos-14]

    steps:
      - name: Checkout repo
        uses: actions/checkout@v4

      - name: Restore binaries from cache
        uses: actions/cache@v3
        with:
          path: |
            ~/.cargo/bin/substrate-node
            ~/.cargo/bin/eth-rpc
          key: polkadot-binaries-${{ matrix.os }}-${{ hashFiles('polkadot-sdk/.git') }}

      - name: Setup Rust toolchain
        uses: actions-rust-lang/setup-rust-toolchain@v1
        with:
          rustflags: ""

      - name: Add wasm32 target
        run: |
          rustup target add wasm32-unknown-unknown
          rustup component add rust-src

      - name: Install Geth on Ubuntu
        if: matrix.os == 'ubuntu-24.04'
        run: |
          sudo add-apt-repository -y ppa:ethereum/ethereum
          sudo apt-get update
          sudo apt-get install -y protobuf-compiler

          sudo apt-get install -y solc

          # We were facing some issues in CI with the 1.16.* versions of geth, and specifically on
          # Ubuntu. Eventually, we found out that the last version of geth that worked in our CI was
          # version 1.15.11. Thus, this is the version that we want to use in CI. The PPA sadly does
          # not have historic versions of Geth and therefore we need to resort to downloading pre
          # built binaries for Geth and the surrounding tools which is what the following parts of 
          # the script do.

          sudo apt-get install -y wget ca-certificates tar
          ARCH=$(uname -m)
          if [ "$ARCH" = "x86_64" ]; then
            URL="https://gethstore.blob.core.windows.net/builds/geth-alltools-linux-amd64-1.15.11-36b2371c.tar.gz"
          elif [ "$ARCH" = "aarch64" ]; then
            URL="https://gethstore.blob.core.windows.net/builds/geth-alltools-linux-arm64-1.15.11-36b2371c.tar.gz"
          else
            echo "Unsupported architecture: $ARCH"
            exit 1
          fi
          wget -qO- "$URL" | sudo tar xz -C /usr/local/bin --strip-components=1
          geth --version

          curl -sL https://github.com/paritytech/revive/releases/download/v0.3.0/resolc-x86_64-unknown-linux-musl -o resolc
          chmod +x resolc
          sudo mv resolc /usr/local/bin

      - name: Install Geth on macOS
        if: matrix.os == 'macos-14'
        run: |
          brew tap ethereum/ethereum
          brew install ethereum protobuf

          brew install solidity

          curl -sL https://github.com/paritytech/revive/releases/download/v0.3.0/resolc-universal-apple-darwin -o resolc
          chmod +x resolc
          sudo mv resolc /usr/local/bin

      - name: Machete
        uses: bnjbvr/cargo-machete@v0.7.1

      - name: Format
        run: make format

      - name: Clippy
        run: make clippy

      - name: Check substrate-node version
        run: substrate-node --version

      - name: Check eth-rpc version
        run: eth-rpc --version

      - name: Check resolc version
        run: resolc --version

      - name: Test cargo workspace
        run: make test