name: Contracts

on:
  pull_request:
    paths:
      - "packages/contracts/**"
      - ".github/workflows/**"
  push:
    branches: [main, dev]

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

defaults:
  run:
    working-directory: packages/contracts

env:
  ETHEREUM_MAINNET_RPC: ${{ secrets.ETHEREUM_MAINNET_RPC }}
  ETHEREUM_SEPOLIA_RPC: ${{ secrets.ETHEREUM_SEPOLIA_RPC }}
  GNOSIS_RPC: ${{ secrets.GNOSIS_RPC }}

jobs:
  unit-tests:
    name: Unit Tests
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install Foundry
        uses: foundry-rs/foundry-toolchain@v1
        with:
          version: stable

      - name: Use Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 20.x
          cache: "yarn"

      - name: Install dependencies
        run: yarn --frozen-lockfile --network-concurrency 1

      - name: Precompile
        run: yarn build

      - name: Run tests
        shell: bash
        run: yarn test:unit

  integration-tests:
    name: Integration Tests
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install Foundry
        uses: foundry-rs/foundry-toolchain@v1
        with:
          version: v0.3.0

      - name: Use Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 20.x
          cache: "yarn"

      - name: Install dependencies
        run: yarn --frozen-lockfile --network-concurrency 1

      - name: Precompile
        run: yarn build

      - name: Run tests
        run: yarn test:integration

  lint:
    name: Lint Commit Messages
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - uses: wagoid/commitlint-github-action@v5

      - name: Install Foundry
        uses: foundry-rs/foundry-toolchain@v1
        with:
          version: nightly

      - name: Use Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 20.x
          cache: "yarn"

      - name: Install dependencies
        run: yarn --frozen-lockfile --network-concurrency 1

      - run: yarn lint:check

  medusa-tests:
    name: Medusa Test
    runs-on: ubuntu-latest
    container: ghcr.io/trailofbits/eth-security-toolbox/ci:nightly-20241223

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

      - name: Use Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 20.x
          cache: "yarn"

      - name: Install dependencies
        run: yarn --frozen-lockfile --network-concurrency 1

      - name: Run Medusa
        run: medusa fuzz --test-limit 200000

  upload-coverage:
    name: Upload Coverage
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

      - name: Install Foundry
        uses: foundry-rs/foundry-toolchain@v1
        with:
          version: nightly

      - name: Use Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 20.x
          cache: "yarn"

      - name: Install dependencies
        run: yarn --frozen-lockfile --network-concurrency 1

      - name: Run coverage
        shell: bash
        run: yarn coverage

      - name: Update package lists
        run: |
          sudo apt-get update
          sudo apt-get install -y lcov

      - name: Setup LCOV
        uses: hrishikesh-kadam/setup-lcov@v1

      - name: Fix paths
        run: |
          sed -i "s|../../node_modules|$(realpath ../../node_modules)|g" lcov.info

      - name: Filter directories
        run: lcov --remove lcov.info 'test/*' 'script/*' --output-file lcovNew.info --rc lcov_branch_coverage=1 --rc derive_function_end_line=0 --ignore-errors unused

      - name: Capture coverage output
        id: new-coverage
        uses: zgosalvez/github-actions-report-lcov@v4
        with:
          coverage-files: packages/contracts/lcovNew.info
          working-directory: packages/contracts
          base-path: ${{ github.workspace }}

      - name: Retrieve previous coverage
        uses: actions/download-artifact@v4
        with:
          name: coverage.info
        continue-on-error: true

      - name: Check if a previous coverage exists
        run: |
          if [ ! -f coverage.info ]; then
            echo "Artifact not found. Initializing at 0"
            echo "0" >> coverage.info
          fi

      - name: Compare previous coverage
        run: |
          old=$(cat coverage.info)
          new=$(( ${{ steps.new-coverage.outputs.total-coverage }} + ${{ env.COVERAGE_SENSITIVITY_PERCENT }} ))
          if [ "$new" -lt "$old" ]; then
            echo "Coverage decreased from $old to $new"
            exit 1
          fi
          mv lcovNew.info coverage.info

      - name: Upload the new coverage
        uses: actions/upload-artifact@v4
        with:
          name: coverage.info
          path: ./coverage.info