action.yml

name: "Srtool"
description: "Build WASM Runtime with SRTOOL"
author: chevdor
branding:
  icon: "package"
  color: "blue"

inputs:
  chain:
    description: >
      Name of the chain, ie. polkadot
    required: true

  package:
    description: >
      Runtime package to build, ie. polkadot-runtime.
      If your runtime follows this pattern, you don't have and should not provide this input.

      If not provided, it will be set to <chain>-runtime
    required: false

  image:
    description: >
      You can use an alternate image, use with caution!
    default: "paritytech/srtool"
    required: true

  tag:
    description: >
      Tag of the srtool image to use. Omit to use the latest (recommended)
    required: false

  workdir:
    description: >
      Path of the project, this is where your main Cargo.toml is located. This is relative to $GITHUB_WORKSPACE.
    default: "."
    required: false

  runtime_dir:
    description: >
      Location of the runtime in your repo. The default is 'runtime/<chain_name>'
    required: false

  profile:
    description: >
      Which profile to use with cargo build.
    required: false
    default: "release"

outputs:
  json:
    description: >
      The full json output of srtool. If you need more information than this action provides by default,
      you can use this json output and extract some content using 'jq'.
    value: ${{ steps.build.outputs.json }}

  proposal_hash:
    description: The proposal hash as it will show on-chain
    value: ${{ steps.build.outputs.proposal_hash }}

  version:
    description: The version of srtool
    value: ${{ steps.build.outputs.version }}

  info:
    description: Some information from srtool about the current project
    value: ${{ steps.build.outputs.info }}

  ipfs:
    description: ipfs hash
    value: ${{ steps.build.outputs.ipfs }}

  wasm:
    description: Path of the produced compact runtime
    value: ${{ steps.build.outputs.wasm }}

  wasm_compressed:
    description: Path of the produced compressed runtime
    value: ${{ steps.build.outputs.wasm_compressed }}

runs:
  using: "composite"
  steps:
    - id: check_latest_srtool
      name: Check the version of the latest srtool
      shell: bash
      run: |
        echo ::group::Inputs
        echo "- image: ${{ inputs.image }}"
        echo "- chain: ${{ inputs.chain }}"
        echo ::endgroup::

        RUSTC_VERSION_URL=https://raw.githubusercontent.com/${{ inputs.image }}/master/RUSTC_VERSION
        echo Fetching RUSTC_VERSION from $RUSTC_VERSION_URL
        RUSTC_VERSION=`curl -s $RUSTC_VERSION_URL`

        SRTOOL_VERSION_URL=https://raw.githubusercontent.com/${{ inputs.image }}/master/VERSION
        echo Fetching SRTOOL_VERSION from $SRTOOL_VERSION_URL
        SRTOOL_VERSION=`curl -s $SRTOOL_VERSION_URL`

        echo "RUSTC_VERSION=$RUSTC_VERSION" >> $GITHUB_ENV
        echo "SRTOOL_VERSION=$SRTOOL_VERSION" >> $GITHUB_ENV
        echo "SRTOOL_LATEST=$RUSTC_VERSION" >> $GITHUB_ENV

    - id: env_setup
      name: Setting Env
      shell: bash
      run: |
        echo ::group::Debug
        echo "RUSTC_VERSION=$RUSTC_VERSION"
        echo "SRTOOL_VERSION=$SRTOOL_VERSION"
        echo "SRTOOL_LATEST=$RUSTC_VERSION"
        echo ::endgroup::

        echo ::group::Environment setup
        SRTOOL_TAG=${{ inputs.tag || env.SRTOOL_LATEST }}
        echo "SRTOOL_TAG=$SRTOOL_TAG" >> $GITHUB_ENV
        echo "SRTOOL_IMAGE=${{ inputs.image }}:$SRTOOL_TAG" >> $GITHUB_ENV
        echo "WORKDIR=${{ github.workspace }}/${{ inputs.workdir }}" >> $GITHUB_ENV

        RUNTIME_DIR=${{ inputs.runtime_dir }}
        RUNTIME_DIR=${RUNTIME_DIR:-'runtime/'${{ inputs.chain }}}
        echo "RUNTIME_DIR=$RUNTIME_DIR" >> $GITHUB_ENV

        PACKAGE=${{ inputs.package }}
        PACKAGE=${PACKAGE:-${{ inputs.chain }}'-runtime'}
        echo "PACKAGE=$PACKAGE" >> $GITHUB_ENV

        echo "BUILD_OPTS=${{ env.BUILD_OPTS }}" >> $GITHUB_ENV

        PROFILE=${{ inputs.profile }}
        echo "PROFILE=$PROFILE" >> $GITHUB_ENV

        PARACHAIN_PALLET_ID=${{ env.PARACHAIN_PALLET_ID }}
        PARACHAIN_PALLET_ID=${PARACHAIN_PALLET_ID:-0x01}
        AUTHORIZE_UPGRADE_PREFIX=${{ env.AUTHORIZE_UPGRADE_PREFIX }}
        AUTHORIZE_UPGRADE_PREFIX=${AUTHORIZE_UPGRADE_PREFIX:-0x02}
        echo "PARACHAIN_PALLET_ID=$PARACHAIN_PALLET_ID" >> $GITHUB_ENV
        echo "AUTHORIZE_UPGRADE_PREFIX=$AUTHORIZE_UPGRADE_PREFIX" >> $GITHUB_ENV

        echo ::endgroup::

    - id: env_check
      name: Checking Env
      shell: bash
      run: |
        echo ::group::Environment check

        echo ℹ️ SRTOOL_LATEST: ${{ env.SRTOOL_LATEST }}
        echo ℹ️ image: ${{ env.SRTOOL_IMAGE }}
        echo ℹ️ chain: ${{ inputs.chain }}
        echo ℹ️ package: ${{ env.PACKAGE }}
        echo ℹ️ Github Workspace: ${{ github.workspace }}
        echo ℹ️ workdir: ${{ env.WORKDIR }}
        echo ℹ️ runtime_dir: ${{ env.RUNTIME_DIR }}
        echo ℹ️ build_opts: ${{ env.BUILD_OPTS }}
        echo ℹ️ parachain_pallet_id: ${{ env.PARACHAIN_PALLET_ID }}
        echo ℹ️ profile: ${{ env.PROFILE }}
        echo ℹ️ authorize_upgrade_prefix: ${{ env.AUTHORIZE_UPGRADE_PREFIX }}
        echo ℹ️ .git folder: `ls -ald ${{ env.WORKDIR }}/.git`
        echo ℹ️ Cargo.toml: `ls -al ${{ env.WORKDIR }}/Cargo.toml`

        echo ::endgroup::

    - id: pulling_srtool
      name: Build ${{ env.PACKAGE }} using ${{ env.SRTOOL_IMAGE }}
      shell: bash
      run: |
        echo ::group::Pulling the srtool docker image: ${{ env.SRTOOL_IMAGE }}
        docker pull ${{ env.SRTOOL_IMAGE }}
        echo ::endgroup::

    - id: version
      shell: bash
      run: |
        echo ::group::Srtool version
        CMD="docker run -i --rm -v ${{ env.WORKDIR }}:/build ${{ env.SRTOOL_IMAGE }} version -cM"
        JSON=`$CMD`
        echo $JSON | jq .
        echo "version=$JSON" >> $GITHUB_OUTPUT
        echo ::endgroup::

    - id: info
      shell: bash
      run: |
        echo ::group::srtool info
        CMD="docker run -i --rm -v ${{ env.WORKDIR }}:/build ${{ env.SRTOOL_IMAGE }} info -cM"
        JSON=`$CMD`
        echo $JSON | jq .
        echo "info=$JSON" >> $GITHUB_OUTPUT
        echo ::endgroup::

    - id: build
      name: Build ${{ env.PACKAGE }} using ${{ env.SRTOOL_IMAGE }}
      shell: bash
      env:
        # https://github.com/paritytech/polkadot-sdk/pull/2217
        WASM_BUILD_STD: "0"
      run: |
        echo ::group::Srtool build of chain ${{ inputs.chain }}
        CMD="docker run -i --rm -e PACKAGE=${{ env.PACKAGE }} -e RUNTIME_DIR=${{ env.RUNTIME_DIR }} -e BUILD_OPTS -e
        PARACHAIN_PALLET_ID -e AUTHORIZE_UPGRADE_PREFIX -e PROFILE -e WASM_BUILD_STD -v ${{ env.WORKDIR }}:/build ${{ env.SRTOOL_IMAGE
        }} build --app --json -cM"

        echo ::debug::build::docker_run $CMD
        # here we keep streaming the progress and fetch the last line for the json result
        stdbuf -oL $CMD | {
          while IFS= read -r line
          do
            echo ║ $line
            JSON="$line"
          done

          echo "json=$JSON" >> $GITHUB_OUTPUT
          echo $JSON | jq .

          PROP=`echo $JSON | jq -r .runtimes.compact.prop`
          echo "proposal_hash=$PROP" >> $GITHUB_OUTPUT

          WASM=`echo $JSON | jq -r .runtimes.compact.wasm`
          echo "wasm=$WASM" >> $GITHUB_OUTPUT

          Z_WASM=`echo $JSON | jq -r .runtimes.compressed.wasm`
          echo "wasm_compressed=$Z_WASM" >> $GITHUB_OUTPUT

          IPFS=`echo $JSON | jq -r .runtimes.compact.ipfs`
          echo "ipfs=$IPFS" >> $GITHUB_OUTPUT
        }
        echo ::endgroup::