feat(ci): uses github actions

.github/workflows/build_and_test.yml

@@ -0,0 +1,212 @@
+name: Build and test
+
+on:
+  push:
+    branches:
+      - master
+      - "*-rc"
+  pull_request:
+    types:
+      - opened
+      - synchronize
+      - reopened
+    branches:
+      - "**"
+
+jobs:
+  verify_files:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup
+        run: |
+          sudo apt-get update -y && sudo apt-get install -y gnupg2
+
+      - name: Verify files
+        run: |
+          curl -sSL https://secchannel.rsk.co/SUPPORT.asc | gpg --import -
+          gpg --verify SHA256SUMS.asc && sha256sum --check SHA256SUMS.asc
+
+  clone_rskj_repo:
+    needs: verify_files
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout RSKj repo
+        uses: actions/checkout@v4
+        with:
+          repository: rsksmart/rskj
+          token: ${{ secrets.GITHUB_TOKEN }}
+          path: rskj
+
+      - name: Determine branch to checkout for PR
+        if: github.event_name == 'pull_request'
+        working-directory: rskj
+        run: |
+          PR_BRANCH="${{ github.head_ref }}"
+          IS_RSKJ_BRANCH=`git ls-remote --heads origin $PR_BRANCH`
+          if test -n "${IS_RSKJ_BRANCH}"; then
+            echo "Found matching branch name in RSKj repo"
+            CHECKOUT_REF="$PR_BRANCH"
+          else
+            echo "Using master for RSKj"
+            CHECKOUT_REF="master"
+          fi
+          echo "CHECKOUT_REF=$CHECKOUT_REF" >> $GITHUB_ENV
+          
+      - name: Determine branch to checkout for push 
+        if: github.event_name != 'pull_request'
+        working-directory: rskj
+        run: |
+          POW_REF="${{ github.ref }}"
+          IS_RSKJ_REF=`git ls-remote --refs $POW_REF`
+          if test -n "${IS_RSKJ_REF}"; then
+            echo "Found matching ref in RSKj"
+            CHECKOUT_REF="$POW_REF"
+          else
+            echo "Using master for RSKj"
+            CHECKOUT_REF="master"
+          fi
+          echo "CHECKOUT_REF=$CHECKOUT_REF" >> $GITHUB_ENV
+
+      - name: Check out appropriate rskj reference
+        working-directory: rskj
+        run: |
+          git switch "${{ env.CHECKOUT_REF }}"
+
+      - name: Persist RSKJ
+        uses: actions/upload-artifact@v4
+        with:
+          name: rskj
+          path: rskj
+
+  build_federator_node:
+    runs-on: ubuntu-latest
+    container: openjdk:8-jdk
+    needs: clone_rskj_repo
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Download rskj
+        uses: actions/download-artifact@v4
+        with:
+          name: rskj
+          path: rskj
+
+      - uses: actions/cache@v4
+        name: Cache Gradle
+        id: cache-gradle
+        with:
+          path: |
+            .gradle/caches
+            gradle/wrapper
+            DONT-COMMIT-settings.gradle
+          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
+          restore-keys: |
+            ${{ runner.os }}-gradle-
+
+      - name: Get gradle wrapper and build dependencies
+        if: steps.cache-gradle.outputs.cache-hit != 'true'
+        run: |
+          echo "includeBuild('./rskj') {"  > DONT-COMMIT-settings.gradle
+          echo "  dependencySubstitution {" >> DONT-COMMIT-settings.gradle
+          echo "      all { DependencySubstitution dependency ->" >> DONT-COMMIT-settings.gradle
+          echo "          if (dependency.requested instanceof ModuleComponentSelector" >> DONT-COMMIT-settings.gradle
+          echo "                  && dependency.requested.group == 'co.rsk'" >> DONT-COMMIT-settings.gradle
+          echo "                  && dependency.requested.module == 'rskj-core'" >> DONT-COMMIT-settings.gradle
+          echo "                  && (dependency.requested.version.endsWith('SNAPSHOT') || dependency.requested.version.endsWith('RC'))) {" >> DONT-COMMIT-settings.gradle
+          echo "              def targetProject = project(\":\${dependency.requested.module}\")" >> DONT-COMMIT-settings.gradle
+          echo "              if (targetProject != null) {" >> DONT-COMMIT-settings.gradle
+          echo "                  println('---- USING LOCAL ' + dependency.requested.displayName +' PROJECT ----')" >> DONT-COMMIT-settings.gradle
+          echo "                  dependency.useTarget targetProject" >> DONT-COMMIT-settings.gradle
+          echo "              }" >> DONT-COMMIT-settings.gradle
+          echo "          }" >> DONT-COMMIT-settings.gradle
+          echo "      }" >> DONT-COMMIT-settings.gradle
+          echo "  }" >> DONT-COMMIT-settings.gradle
+          echo "}" >> DONT-COMMIT-settings.gradle
+          rm -rfv .gradle
+          ./configure.sh
+          ./gradlew --no-daemon dependencies
+          
+      - name: Build node
+        run: |
+          ./gradlew --no-daemon --stacktrace clean build -x test
+
+      - name: Persist Build files 
+        uses: actions/upload-artifact@v4
+        with:
+          name: build_files
+          path: |
+            ./
+            !rskj
+
+  federator-tests:
+    runs-on: ubuntu-latest
+    container: openjdk:8-jdk
+    needs: build_federator_node
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Download Build files
+        uses: actions/download-artifact@v4
+        with:        
+          name: build_files
+          path: ./
+
+      - name: Download rskj
+        uses: actions/download-artifact@v4
+        with:
+          name: rskj
+          path: rskj
+
+      - name: Perform federator tests
+        run: |
+          ./gradlew --no-daemon --stacktrace test
+
+  sonarqube:
+    runs-on: ubuntu-latest
+    needs: build_federator_node
+    steps:
+      - name: Setup Java JDK
+        uses: actions/setup-java@v3
+        with:
+          java-version: '17'
+          distribution: 'temurin'
+
+      - name: Download Build files
+        uses: actions/download-artifact@v4
+        with:        
+          name: build_files
+          path: ./
+
+      - name: Download rskj
+        uses: actions/download-artifact@v4
+        with:
+          name: rskj
+          path: rskj
+
+      - name: Prepare PR flags for SonarQube analysis
+        if: github.event_name == 'pull_request'
+        run: |
+          EXTRA_FLAGS="-Dsonar.pullrequest.base=${{ github.base_ref }} -Dsonar.pullrequest.branch=${{ github.head_ref }} -Dsonar.pullrequest.key=${{ github.event.pull_request.number }}"
+          echo EXTRA_FLAGS="$EXTRA_FLAGS" >> $GITHUB_ENV
+     
+      - name: Prepare push flags for SonarQube analysis
+        if: github.event_name != 'pull_request'
+        run: |
+          echo EXTRA_FLAGS="-Dsonar.branch.name=${{ github.ref }}"
+
+      - name: Run SonarQube analysis
+        run: |
+          EXTRA_FLAGS="${{ env.EXTRA_FLAGS }}"
+          echo "Running sonarqube with $EXTRA_FLAGS"
+          ls -al
+          chmod +x gradlew
+          ./gradlew sonarqube --warning-mode all --no-daemon --stacktrace --info -x build -x test \
+            -Dsonar.branch.name=master \
+            -Dsonar.organization=rsksmart \
+            -Dsonar.host.url="https://sonarcloud.io" \
+            -Dsonar.token="${{ secrets.SONAR_TOKEN }}"