diff --git a/.circleci/config.yml b/.circleci/config.yml
index bff2f447944..e69de29bb2d 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,505 +0,0 @@
----
-version: 2.1
-orbs:
-  win: circleci/windows@5.0
-
-executors:
-  besu_executor_med: # 2cpu, 4G ram
-    docker:
-      - image: cimg/openjdk:17.0
-    resource_class: medium
-    working_directory: ~/project
-    environment:
-      architecture: "amd64"
-      GRADLE_OPTS: -Dorg.gradle.daemon=false -Dorg.gradle.parallel=true -Dorg.gradle.workers.max=2
-
-  besu_arm64_executor_med: # 2cpu, 8G ram
-    machine: #https://circleci.com/developer/machine/image/ubuntu-2204
-      image: ubuntu-2204:2022.10.2
-    resource_class: arm.medium
-    working_directory: ~/project
-    environment:
-      architecture: "arm64"
-      GRADLE_OPTS: -Dorg.gradle.daemon=false -Dorg.gradle.parallel=true -Dorg.gradle.workers.max=2
-
-  besu_executor_xl: # 8cpu, 16G ram
-    docker:
-      - image: cimg/openjdk:17.0
-    resource_class: xlarge
-    working_directory: ~/project
-    environment:
-      GRADLE_OPTS: -Dorg.gradle.daemon=false -Dorg.gradle.parallel=true -Dorg.gradle.workers.max=4
-
-  xl_machine_executor:
-    machine: #https://circleci.com/developer/machine/image/ubuntu-2204
-      image: ubuntu-2204:2022.10.2
-    resource_class: xlarge
-
-  trivy_executor:
-    docker:
-      - image: docker:stable-git
-    resource_class: small
-    working_directory: ~/project
-
-commands:
-  prepare:
-    description: "Prepare"
-    steps:
-      - checkout
-      - run:
-          name: Install Packages - LibSodium, nssdb
-          command: |
-            sudo apt-get update
-            sudo apt-get install -y libsodium23 libsodium-dev libjemalloc-dev apt-transport-https haveged libnss3-tools
-            sudo service haveged restart
-            java --version
-      - restore_gradle_cache
-  restore_gradle_cache:
-    description: "Restore Gradle cache"
-    steps:
-      - restore_cache:
-          name: Restore cached gradle dependencies
-          keys:
-            - deps-{{ checksum "gradle/versions.gradle" }}-{{ .Branch }}-{{ .Revision }}
-            - deps-{{ checksum "gradle/versions.gradle" }}
-            - deps-
-
-  capture_test_results:
-    description: "Capture test results"
-    steps:
-      - run:
-          name: Jacoco
-          command: |
-            ./gradlew --no-daemon jacocoTestReport
-      - run:
-          name: Gather test results
-          when: always
-          command: |
-            FILES=`find . -name test-results`
-            for FILE in $FILES
-            do
-              MODULE=`echo "$FILE" | sed -e 's@./\(.*\)/build/test-results@\1@'`
-              TARGET="build/test-results/$MODULE"
-              mkdir -p "$TARGET"
-              cp -rf ${FILE}/*/* "$TARGET"
-            done
-      - store_test_results:
-          path: build/test-results
-      - store_artifacts:
-          path: besu/build/reports/jacoco
-
-  capture_test_logs:
-    description: "Capture test logs"
-    steps:
-      - store_artifacts:
-          path: acceptance-tests/tests/build/acceptanceTestLogs
-          destination: acceptance-tests-logs
-      - store_artifacts:
-          path: acceptance-tests/tests/build/jvmErrorLogs
-
-jobs:
-  assemble:
-    executor: besu_executor_xl
-    steps:
-      - prepare
-      - run:
-          name: Assemble
-          command: |
-            ./gradlew --no-daemon clean compileJava compileTestJava assemble
-      - save_cache:
-          name: Caching gradle dependencies
-          key: deps-{{ checksum "gradle/versions.gradle" }}-{{ .Branch }}-{{ .Revision }}
-          paths:
-            - .gradle
-            - ~/.gradle
-      - persist_to_workspace:
-          root: ~/project
-          paths:
-            - ./
-      - store_artifacts:
-          name: Distribution artifacts
-          path: build/distributions
-          destination: distributions
-          when: always
-
-  testWindows:
-    executor: win/default
-    steps:
-      - attach_workspace:
-          at: ~/project
-      - run:
-          name: Unzip Windows build
-          no_output_timeout: 20m
-          command: |
-            cd build/distributions
-            unzip besu-*.zip -d besu-tmp
-            cd besu-tmp
-            mv besu-* ../besu
-      - run:
-          name: Test Besu Windows executable
-          no_output_timeout: 10m
-          command: |
-            build\distributions\besu\bin\besu.bat --help
-            build\distributions\besu\bin\besu.bat --version
-
-  dockerScan:
-    executor: trivy_executor
-    steps:
-      - checkout
-      - restore_gradle_cache
-      - setup_remote_docker:
-          docker_layer_caching: true
-      - run:
-          name: Install trivy
-          command: |
-            apk add --update-cache --upgrade curl bash
-            curl -sfL https://raw.githubusercontent.com/aquasecurity/trivy/main/contrib/install.sh | sh -s -- -b /usr/local/bin
-      - run:
-          name: Scan with trivy
-          shell: /bin/sh
-          command: |
-            for FILE in $(ls docker)
-            do
-              if [[ $FILE == "test.sh" || $FILE == "tests" ]]; then
-                continue
-              fi
-              docker pull -q "hyperledger/besu:develop-$FILE"
-              trivy -q image --exit-code 1 --no-progress --severity HIGH,CRITICAL "hyperledger/besu:develop-$FILE"
-            done
-
-  unitTests:
-    executor: besu_executor_xl
-    steps:
-      - prepare
-      - attach_workspace:
-          at: ~/project
-      - run:
-          name: Build
-          no_output_timeout: 20m
-          command: |
-            ./gradlew --no-daemon build
-      - capture_test_results
-
-  integrationTests:
-    executor: xl_machine_executor # needs the machine executor since privacy test uses container tests (docker)
-    steps:
-      - prepare
-      - attach_workspace:
-          at: ~/project
-      - run:
-          name: IntegrationTests
-          command: |
-            ./gradlew --no-daemon integrationTest
-      - run:
-          name: CompileJmh
-          command: |
-            ./gradlew --no-daemon compileJmh
-      - capture_test_results
-
-  referenceTests:
-    executor: besu_executor_xl
-    steps:
-      - prepare
-      - attach_workspace:
-          at: ~/project
-      - run:
-          name: ReferenceTests
-          no_output_timeout: 30m
-          command: |
-            git submodule update --init --recursive
-            ./gradlew --no-daemon referenceTest
-      - capture_test_results
-
-  acceptanceTests:
-    parallelism: 2
-    executor: xl_machine_executor # needs the machine executor since privacy test uses container tests (docker)
-    steps:
-      - prepare
-      - attach_workspace:
-          at: ~/project
-      - run:
-          name: AcceptanceTests (Mainnet)
-          no_output_timeout: 20m
-          command: |
-            CLASSNAMES=$(circleci tests glob "acceptance-tests/tests/src/test/java/**/*.java" \
-              | sed 's@.*/src/test/java/@@' \
-              | sed 's@/@.@g' \
-              | sed 's/.\{5\}$//' \
-              | circleci tests split --split-by=timings --timings-type=classname)
-            # Format the arguments to "./gradlew test"
-            GRADLE_ARGS=$(echo $CLASSNAMES | awk '{for (i=1; i<=NF; i++) print "--tests",$i}')
-            ./gradlew --no-daemon acceptanceTestMainnet $GRADLE_ARGS
-      - capture_test_results
-      - capture_test_logs
-
-  acceptanceTestsCliqueBft:
-    executor: besu_executor_xl
-    steps:
-      - prepare
-      - attach_workspace:
-          at: ~/project
-      - run:
-          name: AcceptanceTests (Non-Mainnet)
-          no_output_timeout: 20m
-          command: |
-            ./gradlew --no-daemon acceptanceTestCliqueBft
-      - capture_test_results
-      - capture_test_logs
-
-  acceptanceTestsPrivacy:
-    parallelism: 4
-    executor: xl_machine_executor # needs the machine executor since it uses container tests (docker)
-    steps:
-      - prepare
-      - attach_workspace:
-          at: ~/project
-      - run:
-          name: AcceptanceTests (Non-Mainnet)
-          no_output_timeout: 20m
-          command: |
-            CLASSNAMES=$(circleci tests glob "acceptance-tests/tests/src/test/java/**/*.java" \
-              | sed 's@.*/src/test/java/@@' \
-              | sed 's@/@.@g' \
-              | sed 's/.\{5\}$//' \
-              | circleci tests split --split-by=timings --timings-type=classname)
-            # Format the arguments to "./gradlew test"
-            GRADLE_ARGS=$(echo $CLASSNAMES | awk '{for (i=1; i<=NF; i++) print "--tests",$i}')
-            ./gradlew --no-daemon acceptanceTestPrivacy $GRADLE_ARGS
-      - capture_test_results
-      - capture_test_logs
-
-  acceptanceTestsPermissioning:
-    executor: besu_executor_xl
-    steps:
-      - prepare
-      - attach_workspace:
-          at: ~/project
-      - run:
-          name: AcceptanceTests (Non-Mainnet)
-          no_output_timeout: 20m
-          command: |
-            ./gradlew --no-daemon acceptanceTestPermissioning
-      - capture_test_results
-      - capture_test_logs
-
-  buildDocker:
-    executor: besu_executor_med
-    steps:
-      - prepare
-      - attach_workspace:
-          at: ~/project
-      - setup_remote_docker
-      - run:
-          name: hadoLint_openjdk_17
-          command: |
-            docker run --rm -i hadolint/hadolint < docker/openjdk-17/Dockerfile
-      - run:
-          name: hadoLint_openjdk_17_debug
-          command: |
-            docker run --rm -i hadolint/hadolint < docker/openjdk-17-debug/Dockerfile
-      - run:
-          name: hadoLint_openjdk_latest
-          command: |
-            docker run --rm -i hadolint/hadolint < docker/openjdk-latest/Dockerfile
-      - run:
-          name: hadoLint_graalvm
-          command: |
-            docker run --rm -i hadolint/hadolint < docker/graalvm/Dockerfile
-      - run:
-          name: build image
-          command: |
-            ./gradlew --no-daemon distDocker
-      - run:
-          name: test image
-          command: |
-            mkdir -p docker/reports
-            curl -L https://github.com/aelsabbahy/goss/releases/download/v0.3.9/goss-linux-amd64 -o ./docker/tests/goss-linux-amd64
-            ./gradlew --no-daemon testDocker
-
-  buildArm64Docker:
-    executor: besu_arm64_executor_med
-    steps:
-      - prepare
-      - attach_workspace:
-          at: ~/project
-      - run:
-          name: hadoLint_openjdk_17
-          command: |
-            docker run --rm -i hadolint/hadolint < docker/openjdk-17/Dockerfile
-      - run:
-          name: hadoLint_openjdk_latest
-          command: |
-            docker run --rm -i hadolint/hadolint < docker/openjdk-latest/Dockerfile
-      - run:
-          name: hadoLint_graalvm
-          command: |
-            docker run --rm -i hadolint/hadolint < docker/graalvm/Dockerfile
-      - run:
-          name: Java_17
-          command: |
-            sudo apt install -q --assume-yes openjdk-17-jre-headless openjdk-17-jdk-headless
-            sudo update-java-alternatives -a
-      - run:
-          name: build image
-          command: |
-            ./gradlew --no-daemon distDocker
-      - run:
-          name: test image
-          command: |
-            mkdir -p docker/reports
-            curl -L https://github.com/aelsabbahy/goss/releases/download/v0.3.9/goss-linux-arm -o ./docker/tests/goss-linux-arm64
-            ./gradlew --no-daemon testDocker
-
-  publish:
-    executor: besu_executor_med
-    steps:
-      - prepare
-      - attach_workspace:
-          at: ~/project
-      - run:
-          name: Publish
-          command: |
-            ./gradlew --no-daemon artifactoryPublish
-
-  publishDocker:
-    executor: besu_executor_med
-    steps:
-      - prepare
-      - attach_workspace:
-          at: ~/project
-      - setup_remote_docker
-      - run:
-          name: Publish Docker
-          command: |
-            docker login --username "${DOCKER_USER_RW}" --password "${DOCKER_PASSWORD_RW}"
-            ./gradlew --no-daemon "-Pbranch=${CIRCLE_BRANCH}" dockerUpload
-
-  publishArm64Docker:
-    executor: besu_arm64_executor_med
-    steps:
-      - prepare
-      - attach_workspace:
-          at: ~/project
-      - run:
-          name: Java_17
-          command: |
-            sudo apt install -q --assume-yes openjdk-17-jre-headless openjdk-17-jdk-headless
-            sudo update-java-alternatives -a
-      - run:
-          name: Publish Docker
-          command: |
-            docker login --username "${DOCKER_USER_RW}" --password "${DOCKER_PASSWORD_RW}"
-            ./gradlew --no-daemon "-Pbranch=${CIRCLE_BRANCH}" dockerUpload
-  manifestDocker:
-    executor: besu_executor_med
-    steps:
-      - prepare
-      - setup_remote_docker
-      - run:
-          name: Create and publish docker manifest
-          command: |
-            docker login --username "${DOCKER_USER_RW}" --password "${DOCKER_PASSWORD_RW}"
-            ./gradlew --no-daemon "-Pbranch=${CIRCLE_BRANCH}" --parallel manifestDocker
-
-workflows:
-  version: 2
-  default:
-    jobs:
-      - assemble
-      - unitTests:
-           requires:
-            - assemble
-      - testWindows:
-          requires:
-            - assemble
-      - referenceTests:
-          requires:
-            - assemble
-      - integrationTests:
-          requires:
-            - assemble
-      - acceptanceTests:
-          requires:
-            - assemble
-      - acceptanceTestsCliqueBft:
-          requires:
-            - assemble
-            - acceptanceTests
-      - acceptanceTestsPermissioning:
-          requires:
-            - assemble
-            - acceptanceTestsCliqueBft
-      - buildDocker:
-          requires:
-            - assemble
-      - buildArm64Docker:
-          requires:
-            - assemble
-      - publish:
-          filters:
-            branches:
-              only:
-                - main
-                - /^release-.*/
-          requires:
-            - assemble
-            - integrationTests
-            - unitTests
-            - acceptanceTests
-            - referenceTests
-            - buildDocker
-      - publishDocker:
-          filters:
-            branches:
-              only:
-                - main
-                - /^release-.*/
-          requires:
-            - assemble
-            - integrationTests
-            - unitTests
-            - acceptanceTests
-            - referenceTests
-            - buildDocker
-          context:
-            - besu-dockerhub-rw
-      - publishArm64Docker:
-          filters:
-            branches:
-              only:
-                - main
-                - /^release-.*/
-          requires:
-            - integrationTests
-            - unitTests
-            - acceptanceTests
-            - referenceTests
-            - buildArm64Docker
-          context:
-            - besu-dockerhub-rw
-      - manifestDocker:
-          filters:
-            branches:
-              only:
-                - main
-                - /^release-.*/
-          requires:
-            - publishDocker
-            - publishArm64Docker
-          context:
-            - besu-dockerhub-rw
-
-  nightly:
-    triggers:
-      - schedule:
-          cron: "0 19 * * *"
-          filters:
-            branches:
-              only:
-                - main
-    jobs:
-      - assemble
-      - dockerScan
-      - acceptanceTestsPrivacy:
-          requires:
-            - assemble
diff --git a/.github/workflows/acceptance-tests.yml b/.github/workflows/acceptance-tests.yml
index ccf371fb808..f40f3c71318 100644
--- a/.github/workflows/acceptance-tests.yml
+++ b/.github/workflows/acceptance-tests.yml
@@ -1,6 +1,7 @@
 name: acceptance-tests
 on:
-  workflow_call:
+  pull_request_review:
+    types: [ submitted ]
 
 
 env:
@@ -9,7 +10,8 @@ env:
 
 jobs:
   runner-indexes:
-    runs-on: ubuntu-22.04
+    runs-on:
+      group: "Besu Large Runners"
     name: Generate runner indexes
     outputs:
       json: ${{ steps.generate-index-list.outputs.json }}
@@ -21,23 +23,17 @@ jobs:
           INDEX_JSON=$(jq --null-input --compact-output '. |= [inputs]' <<< ${INDEX_LIST})
           echo "::set-output name=json::${INDEX_JSON}"
   acceptanceTestEthereum:
-    runs-on: [ self-hosted, X64, Linux ]
+    runs-on:
+      group: "Besu Large Runners"
     name: "Acceptance Runner #${{ matrix.runner-index }}: Run acceptance tests in parallel"
     needs:
       - runner-indexes
-    if: ${{ github.actor != 'dependabot[bot]' }}
+    if: ${{ github.actor != 'dependabot[bot]'}}
     strategy:
       fail-fast: false
       matrix:
         runner-index: ${{ fromjson(needs.runner-indexes.outputs.json) }}
     steps:
-      - name: export runner UID
-        run: echo "runner_uid=$UID" >> $GITHUB_ENV
-      - name: install native packages
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y libsodium23 libsodium-dev libjemalloc-dev apt-transport-https haveged libnss3-tools
-          sudo service haveged restart
       - name: Checkout Repo
         uses: actions/checkout@v3
       - name: Set up Java
@@ -46,11 +42,12 @@ jobs:
           distribution: adopt
           java-version: 17
           cache: gradle
-      - name: Restore classes
-        uses: actions/cache@v3
+      - name: Compile
+        uses: gradle/gradle-build-action@v2
         with:
-          path: "**/*.class"
-          key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ github.sha }}
+          gradle-home-cache-cleanup: true
+          cache-read-only: false
+          arguments: compileJava compileTestJava -Dorg.gradle.parallel=true
       - name: Split tests
         id: split-tests
         uses: chaosaffe/split-tests@v1-alpha.1
@@ -71,21 +68,8 @@ jobs:
         run: ./gradlew acceptanceTest --tests `cat gradleArgs.txt`
       - name: cleanup tempfiles
         run: rm testList.txt gradleArgs.txt
-      - name: Correct Ownership in GITHUB_WORKSPACE directory
-        uses: peter-murray/reset-workspace-ownership-action@v1
-        with:
-          user_id: ${{ env.runner_uid }}
-      - name: Upload Test Report
-        uses: actions/upload-artifact@v3
-        if: always() # always run even if the previous step fails
-        with:
-          name: junit-acceptance-${{ matrix.runner-index }}-test-results
-          path: 'acceptance-tests/tests/build/test-results/acceptanceTest/TEST-*.xml'
-          retention-days: 1
-      - name: Acceptance Test Report html
-        uses: actions/upload-artifact@v3
-        if: always() # always run even if the previous step fails
+      - name: Publish Test Report
+        uses: mikepenz/action-junit-report@v4
+        if: success() || failure() # always run even if the build step fails
         with:
-          name: html-acceptance-${{ matrix.runner-index }}-test-results
-          path: 'acceptance-tests/tests/build/reports/tests/acceptanceTest/**'
-          retention-days: 1
+          report_paths: 'acceptance-tests/tests/build/test-results/acceptanceTest/TEST-*.xml'
diff --git a/.github/workflows/callee.yml b/.github/workflows/callee.yml
new file mode 100644
index 00000000000..1b7a6cc3ace
--- /dev/null
+++ b/.github/workflows/callee.yml
@@ -0,0 +1,13 @@
+name: callee
+
+on:
+  workflow_run:
+    workflows: [ "caller" ]
+    types: [ "requested" ]
+  workflow_dispatch:
+
+jobs:
+  echo:
+    runs-on: ubuntu-22.04
+    steps:
+      - run: echo called
diff --git a/.github/workflows/caller.yml b/.github/workflows/caller.yml
new file mode 100644
index 00000000000..7955282a23e
--- /dev/null
+++ b/.github/workflows/caller.yml
@@ -0,0 +1,9 @@
+name: caller
+
+on: pull_request
+
+jobs:
+  echo:
+    runs-on: ubuntu-22.04
+    steps:
+      - run: echo calling
diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index e69de29bb2d..bed65b5e2ce 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -0,0 +1,37 @@
+name: "checks"
+
+on:
+  pull_request:
+
+jobs:
+  lint:
+    name: "Repository Linting"
+    runs-on: ubuntu-22.04
+    container: ghcr.io/todogroup/repolinter:v0.11.2
+    steps:
+    - name: Checkout Code
+      uses: actions/checkout@v4
+    - name: Lint Repo
+      run: bundle exec /app/bin/repolinter.js --rulesetUrl https://raw.githubusercontent.com/hyperledger-labs/hyperledger-community-management-tools/main/repo_structure/repolint.json --format markdown
+  gradle-wrapper:
+    name: "Gradle Wrapper Validation"
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+      - uses: gradle/wrapper-validation-action@v1.1.0
+  spotless:
+    runs-on: ubuntu-22.04
+    if: ${{ github.actor != 'dependabot[bot]' }}
+    steps:
+      - name: Checkout Repo
+        uses: actions/checkout@v4
+      - name: Set up Java
+        uses: actions/setup-java@v3
+        with:
+          distribution: adopt
+          java-version: 17
+      - name: spotless
+        uses: gradle/gradle-build-action@v2.10.0
+        with:
+          arguments: build spotlessCheck -Dorg.gradle.parallel=true
+          cache: gradle
diff --git a/.github/workflows/compile.yml b/.github/workflows/compile.yml
index a53212cdd34..d5544ba6b3e 100644
--- a/.github/workflows/compile.yml
+++ b/.github/workflows/compile.yml
@@ -1,18 +1,19 @@
 name: compile
 on:
-  push:
-    branches: [ main ]
-  pull_request:
+  workflow_run:
+    workflows:
+      - checks
+    types:
+      - completed
 
 env:
   GRADLE_OPTS: "-Xmx6g -Dorg.gradle.daemon=false"
-  total-runners: 6
 
 jobs:
   compile:
     runs-on: ubuntu-22.04
     timeout-minutes: 30
-    if: ${{ github.actor != 'dependabot[bot]' }}
+    if: ${{ github.actor != 'dependabot[bot]' && github.event.workflow_run.conclusion == 'success' }}
     steps:
       - name: Checkout Repo
         uses: actions/checkout@v3
@@ -25,39 +26,4 @@ jobs:
       - name: Compile
         uses: gradle/gradle-build-action@v2
         with:
-          gradle-home-cache-cleanup: true
-          cache-read-only: false
-          arguments: compileJava compileTestJava -Dorg.gradle.parallel=true
-  compileJmh:
-    runs-on: ubuntu-22.04
-    needs: compile
-    timeout-minutes: 30
-    if: ${{ github.actor != 'dependabot[bot]' }}
-    steps:
-      - name: Checkout Repo
-        uses: actions/checkout@v3
-      - name: Set up Java
-        uses: actions/setup-java@v3
-        with:
-          distribution: adopt
-          java-version: 17
-          cache: gradle
-      - name: compileJmh
-        uses: gradle/gradle-build-action@v2
-        with:
-          arguments: compileJmh
-
-  javadoc_17:
-    runs-on: ubuntu-22.04
-    if: ${{ github.actor != 'dependabot[bot]' }}
-    steps:
-      - name: Checkout Repo
-        uses: actions/checkout@v3
-      - name: Set up Java 17
-        uses: actions/setup-java@v3
-        with:
-          distribution: adopt
-          java-version: 17
-          cache: gradle
-      - name: javadoc (JDK 17)
-        run: ./gradlew --no-daemon javadoc
+          arguments: build -x test -x spotlessCheck -Dorg.gradle.parallel=true
diff --git a/.github/workflows/gradle-wrapper-validation.yml b/.github/workflows/gradle-wrapper-validation.yml
index 0007837da19..bcad0841949 100644
--- a/.github/workflows/gradle-wrapper-validation.yml
+++ b/.github/workflows/gradle-wrapper-validation.yml
@@ -1,15 +1,13 @@
 # SPDX-License-Identifier: Apache-2.0
-name: "Validate Gradle Wrapper"
+name: gradle-wrapper-validation
 on:
-  push:
-    branches: [ main ]
-  pull_request:
-  workflow_dispatch:
+  workflow_call:
+
 
 jobs:
   validation:
     name: "Gradle Wrapper Validation"
-    runs-on: [besu-research-ubuntu-8]
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v4
       - uses: gradle/wrapper-validation-action@v1
diff --git a/.github/workflows/javadoc.yml b/.github/workflows/javadoc.yml
index 991af8952da..b6307d97cee 100644
--- a/.github/workflows/javadoc.yml
+++ b/.github/workflows/javadoc.yml
@@ -1,10 +1,6 @@
 name: javadoc
 on:
-  workflow_dispatch:
-  workflow_run:
-    workflows: [compile]
-    types:
-      - completed
+  workflow_call:
 
 env:
   GRADLE_OPTS: "-Xmx6g -Dorg.gradle.daemon=false"
@@ -23,9 +19,5 @@ jobs:
           distribution: adopt
           java-version: 17
           cache: gradle
-      - name: Restore classes
-        uses: actions/download-artifact@v3
-        with:
-          name: classes
       - name: javadoc (JDK 17)
         run: ./gradlew --no-daemon javadoc
diff --git a/.github/workflows/parallel-unit-tests.yml b/.github/workflows/parallel-unit-tests.yml
new file mode 100644
index 00000000000..33bd2710ef3
--- /dev/null
+++ b/.github/workflows/parallel-unit-tests.yml
@@ -0,0 +1,48 @@
+name: parallel-unit-tests
+on:
+  workflow_call:
+
+env:
+  GRADLE_OPTS: "-Dorg.gradle.daemon=false"
+  total-runners: 4
+jobs:
+  junit:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        runner_index:
+          - 0
+          - 1
+          - 2
+          - 3
+    steps:
+      - name: Checkout Repo
+        uses: actions/checkout@v3
+      - name: Split tests
+        id: split-tests
+        uses: chaosaffe/split-tests@v1-alpha.1
+        with:
+          glob: '**/src/test/java/**/*.java'
+          split-total: ${{ env.total-runners }}
+          split-index: ${{ matrix.runner_index }}
+          line-count: true
+      - name: Set up Java
+        uses: actions/setup-java@v3
+        with:
+          distribution: adopt
+          java-version: 17
+          cache: gradle
+      - name: write out test list
+        run: echo "${{ steps.split-tests.outputs.test-suite }}" >> testList.txt
+      - name: debug testfile paths
+        run: cat testList.txt
+      - name: format gradle args
+        # regex means: truncate file paths to align with package name, replacing with tests switch, then drop file extension,
+        # then swap path delimiter with package delimiter
+        run: cat testList.txt | sed -e 's/[^ ]*src\/test\/java\//--tests\ /g' -e 's/\.java//g' -e 's/\//\./g' >> gradleArgs.txt
+      - name: debug test class list
+        run: cat gradleArgs.txt
+      - name: run unit tests
+        run: ./gradlew test `cat gradleArgs.txt`
+
diff --git a/.github/workflows/reference-tests.yml b/.github/workflows/reference-tests.yml
index 5a55f6aefe9..3d5149c0bbc 100644
--- a/.github/workflows/reference-tests.yml
+++ b/.github/workflows/reference-tests.yml
@@ -9,7 +9,7 @@ env:
 
 jobs:
   runner-indexes:
-    runs-on: ubuntu-22.04
+    runs-on: besu-research-ubuntu-8
     name: Generate runner indexes
     outputs:
       json: ${{ steps.generate-index-list.outputs.json }}
@@ -21,7 +21,7 @@ jobs:
           INDEX_JSON=$(jq --null-input --compact-output '. |= [inputs]' <<< ${INDEX_LIST})
           echo "::set-output name=json::${INDEX_JSON}"
   prepareReferenceTestEthereum:
-    runs-on: [ self-hosted, Linux, X64 ]
+    runs-on: besu-research-ubuntu-8
     timeout-minutes: 30
     if: ${{ github.actor != 'dependabot[bot]' }}
     steps:
@@ -57,7 +57,7 @@ jobs:
           path: "ethereum/referencetests/build/generated/sources/reference-test/**"
           key: ${{ runner.os }}-reftests-${{ github.sha }}
   referenceTestEthereum:
-    runs-on: [ self-hosted, X64, Linux ]
+    runs-on: besu-research-ubuntu-8
     needs:
       - prepareReferenceTestEthereum
       - runner-indexes
@@ -110,7 +110,7 @@ jobs:
           path: '**/build/test-results/referenceTests/TEST-*.xml'
           retention-days: 1
   referenceTestQbft:
-    runs-on: [ self-hosted, Linux, X64 ]
+    runs-on: besu-research-ubuntu-8
     timeout-minutes: 30
     if: ${{ github.actor != 'dependabot[bot]' }}
     steps:
diff --git a/.github/workflows/repolinter.yml b/.github/workflows/repolinter.yml
index f7a8e820192..bfc97b11da6 100644
--- a/.github/workflows/repolinter.yml
+++ b/.github/workflows/repolinter.yml
@@ -1,21 +1,15 @@
 # SPDX-License-Identifier: Apache-2.0
 # Hyperledger Repolinter Action
-name: Repolinter
+name: repolinter
 
 on:
-  push:
-    branches:
-      - master
-      - main
-  pull_request:
-    branches:
-      - master
-      - main
+  workflow_call:
+
 
 jobs:
   build:
-    runs-on: [besu-research-ubuntu-16]
-    container: ghcr.io/todogroup/repolinter:v0.10.1
+    runs-on: ubuntu-22.04
+    container: ghcr.io/todogroup/repolinter:v0.11.2
     steps:
       - name: Checkout Code
         uses: actions/checkout@v4
diff --git a/.github/workflows/report.yml b/.github/workflows/report.yml
index 83ad916112d..9849e271835 100644
--- a/.github/workflows/report.yml
+++ b/.github/workflows/report.yml
@@ -2,37 +2,21 @@ name: report
 on:
   workflow_call:
 
-
 permissions:
   checks: write
 
 jobs:
-  runner-indexes:
-    runs-on: ubuntu-22.04
-    name: Generate runner indexes
-    outputs:
-      json: ${{ steps.generate-index-list.outputs.json }}
-    steps:
-      - id: generate-index-list
-        run: |
-          MAX_INDEX=$((${{ env.total-runners }}-1))
-          INDEX_LIST=$(seq 0 ${MAX_INDEX})
-          INDEX_JSON=$(jq --null-input --compact-output '. |= [inputs]' <<< ${INDEX_LIST})
-          echo "::set-output name=json::${INDEX_JSON}"
   unit-tests:
     runs-on: ubuntu-22.04
-    strategy:
-      matrix:
-        runner-index: ${{ fromjson(needs.runner-indexes.outputs.json) }}
     steps:
       - name: Download Test Report
         uses: dawidd6/action-download-artifact@v2
         with:
-          name: junit-test-${{ matrix.runner-index }}-results
+          name: junit-test-results
           workflow: ${{ github.event.workflow.id }}
           run_id: ${{ github.event.workflow_run.id }}
       - name: Publish Test Report
-        uses: mikepenz/action-junit-report@v3
+        uses: mikepenz/action-junit-report@v4
         with:
           commit: ${{github.event.workflow_run.head_sha}}
           report_paths: '**/build/test-results/test/TEST-*.xml'
diff --git a/.github/workflows/spotless.yml b/.github/workflows/spotless.yml
index ab8fd3ec9fb..f1814fdccfa 100644
--- a/.github/workflows/spotless.yml
+++ b/.github/workflows/spotless.yml
@@ -1,8 +1,7 @@
-name: "Spotless Code Formatting"
+name: spotless
 on:
-  push:
-    branches: [ main ]
-  pull_request:
+  workflow_call:
+
 
 jobs:
   spotless:
diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
new file mode 100644
index 00000000000..a65caaed36a
--- /dev/null
+++ b/.github/workflows/unit-tests.yml
@@ -0,0 +1,43 @@
+name: unit-tests
+on:
+  workflow_run:
+    workflows: [ "compile" ]
+    types: [ "completed" ]
+
+env:
+  GRADLE_OPTS: "-Xmx6g -Dorg.gradle.daemon=false"
+
+jobs:
+  unitTests:
+    runs-on: besu-research-ubuntu-8
+    if: ${{github.event.workflow_run.conclusion == 'success' }}
+    permissions:
+      checks: write
+    steps:
+      - name: Checkout Repo
+        uses: actions/checkout@v3
+      - name: Set up Java
+        uses: actions/setup-java@v3
+        with:
+          distribution: adopt
+          java-version: 17
+          cache: gradle
+      - name: Build
+        uses: gradle/gradle-build-action@v2
+        with:
+          gradle-home-cache-cleanup: true
+          cache-read-only: false
+          arguments: build -Dorg.gradle.parallel=true
+      - name: Upload Test Report
+        uses: actions/upload-artifact@v3
+        if: always() # always run even if the previous step fails
+        with:
+          name: junit-xml-reports
+          path: '**/build/test-results/test/TEST-*.xml'
+          retention-days: 1
+      - name: Publish Test Report
+        uses: mikepenz/action-junit-report@v4
+        if: success() || failure() # always run even if the build step fails
+        with:
+          report_paths: '**/test-results/test/TEST-*.xml'
+          annotate_only: true