name: Build & Release
on:
  push:
    branches: ["main"]
    tags:
      - "v*"
  pull_request:
    branches: ["main"]
    types: [opened, synchronize, labeled, unlabeled]

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

env:
  CARGO_TERM_COLOR: always
  RUST_MUSL_CROSS_IMAGE: messense/rust-musl-cross@sha256:68b86bc7cb2867259e6b233415a665ff4469c28b57763e78c3bfea1c68091561

jobs:
  check-version-changed:
    runs-on: ubuntu-24.04
    permissions:
      contents: write
    env:
      CURRENT_TAG: ${{ github.ref_name }}
    outputs:
      RELEASE_NOTES: ${{ steps.versions.outputs.RELEASE_NOTES }}
    steps:
      - uses: actions/checkout@v4

      - name: Check that tag and version in Cargo.toml match
        id: versions
        run: |
          if [[ $CURRENT_TAG == 'main' ]];
            then
              echo "::notice::Tag $CURRENT_TAG is not a release tag, skipping the check in the main branch";
              exit 0
            fi

          if [[ $CURRENT_TAG != "v"* ]];
            then
              echo "::notice::Tag $CURRENT_TAG is not a release tag, skipping the check in a PR";
              exit 0
            fi

          export PKG_VER=v$(cat Cargo.toml | grep -A 5 package] | grep version | cut -d '=' -f 2 | tr -d '"' | tr -d " ")
          echo "Current tag $CURRENT_TAG"
          echo "Package version $PKG_VER"
          #
          if [[ $CURRENT_TAG != $PKG_VER  ]];
            then
              echo "::error::Tag $CURRENT_TAG doesn't match package version $PKG_VER in Cargo.toml, please fix";
              exit 1
            fi

          # Generating release notes early, in order to avoid checkout at the last step
          export RELEASE_NOTES="$(sed '/^## '${CURRENT_TAG}'/,/^## v/!d' CHANGELOG.md | sed -e '1d' -e '$d')"

          echo "Release notes:"
          echo "$RELEASE_NOTES"

          echo 'RELEASE_NOTES<<EOF' >> $GITHUB_OUTPUT
          echo "$RELEASE_NOTES" >> $GITHUB_OUTPUT
          echo 'EOF' >> $GITHUB_OUTPUT

  build:
    strategy:
      matrix:
        target:
          [
            x86_64-unknown-linux-musl,
            aarch64-apple-darwin,
            x86_64-apple-darwin,
            x86_64-pc-windows-msvc,
          ]
        include:
          - target: x86_64-unknown-linux-musl
            type: musl
            runner: ubuntu-24.04
          - target: aarch64-apple-darwin
            type: native
            runner: macos-14
          - target: x86_64-apple-darwin
            type: native
            runner: macos-13
          - target: x86_64-pc-windows-msvc
            type: native
            runner: windows-2022
    runs-on: ${{ matrix.runner }}
    needs: [check-version-changed]
    steps:
      - uses: actions/checkout@v4
      - uses: actions-rust-lang/setup-rust-toolchain@v1
        with:
          # without this it will override our rust flags
          rustflags: ""
          cache-key: ${{ matrix.target }}

      - name: Download LLVM
        uses: ./.github/actions/get-llvm
        with:
          target: ${{ matrix.target }}

      - name: Build
        if: ${{ matrix.type == 'native' }}
        shell: bash
        run: |
          export LLVM_SYS_181_PREFIX=$PWD/llvm-${{ matrix.target }}
          make install-bin
          mv target/release/resolc resolc-${{ matrix.target }} || mv target/release/resolc.exe resolc-${{ matrix.target }}.exe

      - name: Build
        if: ${{ matrix.type == 'musl' }}
        run: |
          docker run -v $PWD:/opt/revive $RUST_MUSL_CROSS_IMAGE /bin/bash -c "
           cd /opt/revive
           chown -R root:root .
           apt update && apt upgrade -y && apt install -y pkg-config
           export LLVM_SYS_181_PREFIX=/opt/revive/llvm-${{ matrix.target }}
           make install-bin
           mv target/${{ matrix.target }}/release/resolc resolc-${{ matrix.target }}
           "
          sudo chown -R $(id -u):$(id -g) .

      - name: Install Solc
        uses: ./.github/actions/get-solc

      - name: Basic Sanity Check
        shell: bash
        run: |
          result=$(./resolc-${{ matrix.target }} --bin crates/integration/contracts/flipper.sol)
          echo $result
          if [[ $result == *'0x50564d'* ]]; then exit 0; else exit 1; fi

      - uses: actions/upload-artifact@v4
        with:
          name: resolc-${{ matrix.target }}
          path: resolc-${{ matrix.target }}*
          retention-days: 1

  build-wasm:
    runs-on: ubuntu-24.04
    needs: [check-version-changed]
    env:
      RELEASE_RESOLC_WASM_URI: https://github.com/paritytech/revive-workflow-test/releases/download/${{ github.ref_name }}/resolc.wasm
    steps:
      - uses: actions/checkout@v4
      - uses: actions-rust-lang/setup-rust-toolchain@v1
        with:
          target: wasm32-unknown-emscripten
          # without this it will override our rust flags
          rustflags: ""

      - name: Download Host LLVM
        uses: ./.github/actions/get-llvm
        with:
          target: x86_64-unknown-linux-gnu

      - name: Download Wasm LLVM
        uses: ./.github/actions/get-llvm
        with:
          target: wasm32-unknown-emscripten

      - name: Download EMSDK
        uses: ./.github/actions/get-emsdk

      - name: Build
        run: |
          export LLVM_SYS_181_PREFIX=$PWD/llvm-x86_64-unknown-linux-gnu
          export REVIVE_LLVM_TARGET_PREFIX=$PWD/llvm-wasm32-unknown-emscripten
          source emsdk/emsdk_env.sh
          make install-wasm
          chmod -x ./target/wasm32-unknown-emscripten/release/resolc.wasm

      - name: Set Up Node.js
        uses: actions/setup-node@v3
        with:
          node-version: "20"

      - name: Basic Sanity Check
        run: |
          mkdir -p solc
          curl -sSLo solc/soljson.js https://github.com/ethereum/solidity/releases/download/v0.8.29/soljson.js
          node -e "
          const soljson = require('solc/soljson');
          const createRevive = require('./target/wasm32-unknown-emscripten/release/resolc.js');

          const compiler = createRevive();
          compiler.soljson = soljson;

          const standardJsonInput =
          {
            language: 'Solidity',
            sources: {
              'MyContract.sol': {
                content: 'pragma solidity ^0.8.0; contract MyContract { function greet() public pure returns (string memory) { return \'Hello\'; } }',
              },
            },
            settings: { optimizer: { enabled: false } }
          };

          compiler.writeToStdin(JSON.stringify(standardJsonInput));
          compiler.callMain(['--standard-json']);

          // Collect output
          const stdout = compiler.readFromStdout();
          const stderr = compiler.readFromStderr();

          if (stderr) { console.error(stderr); process.exit(1); }

          let out = JSON.parse(stdout);
          let bytecode = out.contracts['MyContract.sol']['MyContract'].evm.bytecode.object
          console.log(bytecode);

          if(!bytecode.startsWith('50564d')) { process.exit(1); }
          "

      - name: Compress Artifact
        run: |
          mkdir -p resolc-wasm32-unknown-emscripten
          mv ./target/wasm32-unknown-emscripten/release/resolc.js ./resolc-wasm32-unknown-emscripten/
          mv ./target/wasm32-unknown-emscripten/release/resolc.wasm ./resolc-wasm32-unknown-emscripten/
          mv ./target/wasm32-unknown-emscripten/release/resolc_web.js ./resolc-wasm32-unknown-emscripten/

      - uses: actions/upload-artifact@v4
        with:
          name: resolc-wasm32-unknown-emscripten
          path: resolc-wasm32-unknown-emscripten/*
          retention-days: 1

  create-release:
    if: startsWith(github.ref_name, 'v')
    needs: [check-version-changed, build-wasm]
    runs-on: macos-14
    environment: tags
    steps:
      - name: Download Artifacts
        uses: actions/download-artifact@v4
        with:
          merge-multiple: true

      - name: Create macOS Fat Binary
        run: |
          lipo resolc-aarch64-apple-darwin resolc-x86_64-apple-darwin -create -output resolc-universal-apple-darwin

      - name: Make Executable
        run: |
          chmod +x resolc-x86_64-unknown-linux-musl
          chmod +x resolc-universal-apple-darwin

      - uses: actions/create-github-app-token@v1
        id: app-token
        with:
          app-id: ${{ secrets.REVIVE_RELEASE_APP_ID }}
          private-key: ${{ secrets.REVIVE_RELEASE_APP_KEY }}

      - name: create-release
        uses: softprops/action-gh-release@v2
        with:
          body: |
            ## Changelog
            ${{ needs.check-version-changed.outputs.RELEASE_NOTES }}

            ## Note for macOS Users
            The macOS binary is unsigned and it needs to be made runnable using `xattr -c resolc-universal-apple-darwin`.
          tag_name: ${{ github.ref_name }}
          name: ${{ github.ref_name }}
          prerelease: true
          token: ${{ steps.app-token.outputs.token }}
          # draft: true
          target_commitish: ${{ github.sha }}
          files: |
            resolc-x86_64-unknown-linux-musl
            resolc-universal-apple-darwin
            resolc-x86_64-pc-windows-msvc.exe
            resolc.js
            resolc.wasm
            resolc_web.js