[Feat] Merge linea-sequencer plugin repo into monorepo

.github/workflows/linea-sequencer-plugin-release.yml

@@ -0,0 +1,69 @@
+name: Release
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'Version (must start with "v", e.g., "v1.2.3")'
+        required: true
+        type: string
+
+jobs:
+  build:
+    runs-on: gha-runner-scale-set-ubuntu-22.04-amd64-small
+    steps:
+      - name: Validate version
+        run: |
+          if [[ ! "${{ github.event.inputs.version }}" =~ ^v.+ ]]; then
+            echo "Error: version must start with 'v'"
+            exit 1
+          fi
+
+      - uses: actions/checkout@v4
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          java-version: 21
+          distribution: temurin
+          cache: 'gradle'
+
+      - name: Build artifacts
+        run: ./gradlew besu-plugins:linea-sequencer:artifacts -PreleaseVersion=${{ github.event.inputs.version }}
+        env:
+          JAVA_OPTS: -Xmx2g -Dorg.gradle.daemon=false
+
+      # TODO in later ticket - actions/create-release and actions/upload-release-asset are both archived
+      # ncipollo/release-action@v1 is an actively-maintained alternative that can combine release creation and artifact upload
+      - name: Draft Release
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # This token is provided by Actions, you do not need to create your own token
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: Release ${{ github.ref }}
+          body: 'Draft release of version ${{ github.event.inputs.version }}.'
+          draft: true
+          prerelease: false
+
+      - name: Upload Release Lib Asset
+        id: upload-release-asset
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: ./besu-plugins/linea-sequencer/sequencer/build/libs/linea-sequencer-${{ github.event.inputs.version }}.jar
+          asset_name: linea-sequencer-${{ github.event.inputs.version }}.jar
+          asset_content_type: application/octet-stream
+
+      - name: Upload Release Dist Asset
+        id: upload-release-dist-asset
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: ./besu-plugins/linea-sequencer/sequencer/build/distributions/linea-sequencer-${{ github.event.inputs.version }}.zip
+          asset_name: linea-sequencer-${{ github.event.inputs.version }}.zip
+          asset_content_type: application/octet-stream

.github/workflows/linea-sequencer-plugin-testing.yml

@@ -0,0 +1,79 @@
+name: linea-sequencer-plugin-testing
+
+on:
+  workflow_call:
+
+concurrency:
+  group: linea-sequencer-plugin-testing-${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
+
+jobs:
+  validation:
+    name: "Gradlew Wrapper Checksum Validation"
+    runs-on: gha-runner-scale-set-ubuntu-22.04-amd64-small
+    steps:
+      - uses: actions/checkout@v4
+      - uses: gradle/actions/wrapper-validation@v4
+
+  build:
+    name: "Linea Sequencer Plugin Build"
+    runs-on: gha-runner-scale-set-ubuntu-22.04-amd64-small
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          java-version: 21
+          distribution: temurin
+
+      - name: Build and test
+        run: ./gradlew besu-plugins:linea-sequencer:build
+        env:
+          JAVA_OPTS: -Xmx2g -Dorg.gradle.daemon=false
+
+      - name: Store distribution artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: distributions
+          path: besu-plugins/linea-sequencer/sequencer/build/libs
+
+  acceptanceTest:
+    name: "Linea Sequencer Plugin Acceptance Tests"
+    runs-on: gha-runner-scale-set-ubuntu-22.04-amd64-large
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          java-version: 21
+          distribution: temurin
+
+      - name: Run acceptance tests
+        run: ./gradlew besu-plugins:linea-sequencer:acceptance-tests:acceptanceTests
+        env:
+          JAVA_OPTS: -Dorg.gradle.daemon=false
+
+      - name: Upload test report
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: acceptance-test-report
+          path: besu-plugins/linea-sequencer/acceptance-tests/build/reports/tests/
+
+  spotless:
+    name: "Linea Sequencer Plugin Spotless Check"
+    runs-on: gha-runner-scale-set-ubuntu-22.04-amd64-small
+    steps:
+      - name: Checkout Repo
+        uses: actions/checkout@v4
+      - name: Set up Java
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: 21
+      - name: spotless
+        run: ./gradlew --no-daemon --parallel clean besu-plugins:linea-sequencer:spotlessCheck

.github/workflows/main.yml

@@ -24,6 +24,7 @@ jobs:
       contracts-excluding-local-deployment-artifacts: ${{ steps.exclusion-filter.outputs.contracts-excluding-local-deployment-artifacts }}
       contracts-excluding-local-deployment-artifacts-count: ${{ steps.exclusion-filter.outputs.contracts-excluding-local-deployment-artifacts_count }}
       smart-contracts: ${{ steps.filter.outputs.smart-contracts }}
+      linea-sequencer-plugin: ${{ steps.filter.outputs.linea-sequencer-plugin }}
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -105,6 +106,9 @@ jobs:
               - 'prover/**'
               - '.github/workflows/main.yml'
               - '.github/workflows/run-smc-tests.yml'
+            linea-sequencer-plugin:
+              - 'besu-plugins/linea-sequencer/**'
+              - '.github/workflows/linea-sequencer-plugin-testing.yml'
 
       - name: Filter out commit changes
         uses: dorny/paths-filter@v3
@@ -147,6 +151,7 @@ jobs:
     with:
       commit_tag: ${{ needs.store-image-name-and-tags.outputs.commit_tag }}
       coordinator_changed: ${{ needs.filter-commit-changes.outputs.coordinator }}
+      linea_sequencer_changed: ${{ needs.filter-commit-changes.outputs.linea-sequencer-plugin }}
       postman_changed: ${{ needs.filter-commit-changes.outputs.postman }}
       prover_changed: ${{ needs.filter-commit-changes.outputs.prover }}
       smart_contracts_changed: ${{ needs.filter-commit-changes.outputs.smart-contracts }}

.github/workflows/testing.yml

@@ -24,6 +24,10 @@ on:
       smart_contracts_changed:
         required: true
         type: string
+      linea_sequencer_changed:
+        required: true
+        type: string
+
 jobs:
   # Cache for pulling Docker images is disabled as we empirically found that this
   # (retrieving cache and loading Docker images) actually increased test time-to-completion
@@ -63,6 +67,11 @@ jobs:
       commit_tag: ${{ inputs.commit_tag }}
     secrets: inherit
 
+  linea-sequencer:
+    uses: ./.github/workflows/linea-sequencer-plugin-testing.yml
+    if: ${{ inputs.linea_sequencer_changed == 'true' }}
+    secrets: inherit
+
   # If all jobs are skipped, the workflow will still succeed.
   always_succeed:
     runs-on: ubuntu-24.04

besu-plugins/linea-sequencer/.gitignore

@@ -0,0 +1,34 @@
+*.bak
+*.swp
+*.tmp
+*~.nib
+*.iml
+*.launch
+*.swp
+*.log
+*.out
+nohup.out
+.classpath
+.DS_Store
+.externalToolBuilders/
+.gradle/
+.idea/
+.loadpath
+.metadata
+.prefs
+.project
+.recommenders/
+.settings
+.springBeans
+.vertx
+.java-version
+./bin
+local.properties
+target/
+tmp/
+build/
+out/
+site/
+/.direnv/
+/.envrc
+acceptance-tests/bin/