update dockerfile for arm compatibility (#90)

closes https://github.com/cerc-io/ipld-eth-beacon-indexer/issues/89

Co-authored-by: Ian Kay <ian@knowable.vc>
Reviewed-on: #90

.github/workflows/generic-testing.yml

@@ -0,0 +1,204 @@
+name: Test the stack.
+on:
+  workflow_call:
+    inputs:
+      stack-orchestrator-ref:
+        required: false
+        type: string
+      ipld-eth-beacon-db-ref:
+        required: false
+        type: string
+      ssz-data-ref:
+        required: false
+        type: string
+    secrets:
+      GHA_KEY:
+        required: true
+
+env:
+  stack-orchestrator-ref: ${{ inputs.stack-orchestrator-ref || '7fb664270a0ba09e2caa3095e8c91f3fdb5b38af' }}
+  ipld-eth-beacon-db-ref: ${{ inputs.ipld-eth-beacon-db-ref  || '6b38fe9b18f7b19a803c626b742cafdccc1a2365' }}
+  ssz-data-ref: ${{ inputs.ssz-data-ref || 'main' }}
+  GOPATH: /tmp/go
+jobs:
+  build:
+    name: Run Docker Build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          path: "./ipld-eth-beacon-indexer"
+
+      - uses: actions/checkout@v3
+        with:
+          ref: ${{ env.stack-orchestrator-ref }}
+          path: "./stack-orchestrator/"
+          repository: vulcanize/stack-orchestrator
+          fetch-depth: 0
+
+      - uses: actions/checkout@v3
+        with:
+          ref: ${{ env.ipld-eth-beacon-db-ref }}
+          repository: vulcanize/ipld-eth-beacon-db
+          path: "./ipld-eth-beacon-db/"
+          ssh-key: ${{secrets.GHA_KEY}}
+          fetch-depth: 0
+
+      - name: Create config file
+        run: |
+          echo vulcanize_ipld_eth_beacon_db=$GITHUB_WORKSPACE/ipld-eth-beacon-db/ > ./config.sh
+          echo vulcanize_ipld_eth_beacon_indexer=$GITHUB_WORKSPACE/ipld-eth-beacon-indexer >> ./config.sh
+          echo eth_beacon_config_file=$GITHUB_WORKSPACE/ipld-eth-beacon-indexer/config/cicd/boot.ipld-eth-beacon-indexer.json >> ./config.sh
+          echo eth_beacon_capture_mode=boot >> ./config.sh
+          echo CAPTURE_MODE=boot >> config.sh
+          cat ./config.sh
+
+      - name: Run docker compose
+        run: |
+          docker-compose  \
+          -f "$GITHUB_WORKSPACE/stack-orchestrator/docker/local/docker-compose-ipld-eth-beacon-db.yml" \
+          -f "$GITHUB_WORKSPACE/stack-orchestrator/docker/latest/docker-compose-lighthouse.yml" \
+          -f "$GITHUB_WORKSPACE/stack-orchestrator/docker/local/docker-compose-ipld-eth-beacon-indexer.yml" \
+          --env-file ./config.sh \
+          up -d --build
+
+      - name: Check to make sure HEALTH file is present
+        shell: bash
+        run: |
+          until $(docker compose \
+          -f "$GITHUB_WORKSPACE/stack-orchestrator/docker/local/docker-compose-ipld-eth-beacon-db.yml" \
+          -f "$GITHUB_WORKSPACE/stack-orchestrator/docker/local/docker-compose-ipld-eth-beacon-indexer.yml" \
+          -f "$GITHUB_WORKSPACE/stack-orchestrator/docker/latest/docker-compose-lighthouse.yml" \
+          --env-file ./config.sh cp ipld-eth-beacon-indexer:/root/HEALTH ./HEALTH) ; do sleep 10; done
+          cat ./HEALTH
+          if [[ "$(cat ./HEALTH)" -eq "0" ]]; then echo "Application boot successful" && (exit 0); else docker compose -f "$GITHUB_WORKSPACE/stack-orchestrator/docker/local/docker-compose-ipld-eth-beacon-indexer.yml" cp ipld-eth-beacon-indexer:/root/ipld-eth-beacon-indexer.log . && cat ipld-eth-beacon-indexer.log && (exit 1); fi
+
+  unit-test:
+    name: Run Unit Tests
+    runs-on: ubuntu-latest
+    ## IF you want to update the default branch for `pull_request runs, do it after the ||`
+    steps:
+      - name: Create GOPATH
+        run: mkdir -p /tmp/go
+
+      - uses: actions/checkout@v2
+        with:
+          path: "./ipld-eth-beacon-indexer"
+
+      - uses: actions/checkout@v3
+        with:
+          ref: ${{ env.stack-orchestrator-ref }}
+          path: "./stack-orchestrator/"
+          repository: vulcanize/stack-orchestrator
+          fetch-depth: 0
+
+      - uses: actions/checkout@v3
+        with:
+          ref: ${{ env.ipld-eth-beacon-db-ref }}
+          repository: vulcanize/ipld-eth-beacon-db
+          path: "./ipld-eth-beacon-db/"
+          ssh-key: ${{ secrets.GHA_KEY }}
+          fetch-depth: 0
+
+      - uses: actions/checkout@v3
+        with:
+          ref: ${{ env.ssz-data-ref }}
+          repository: vulcanize/ssz-data
+          path: "./ipld-eth-beacon-indexer/pkg/beaconclient/ssz-data"
+          fetch-depth: 0
+
+      - name: Create config file
+        run: |
+          echo vulcanize_ipld_eth_beacon_db=$GITHUB_WORKSPACE/ipld-eth-beacon-db/ > ./config.sh
+          echo vulcanize_ipld_eth_beacon_indexer=$GITHUB_WORKSPACE/ipld-eth-beacon-indexer >> ./config.sh
+          cat ./config.sh
+
+      - name: Run docker compose
+        run: |
+          docker-compose  \
+          -f "$GITHUB_WORKSPACE/stack-orchestrator/docker/local/docker-compose-ipld-eth-beacon-db.yml" \
+          --env-file ./config.sh \
+          up -d --build
+
+      - uses: actions/setup-go@v3
+        with:
+          go-version: ">=1.18.0"
+          check-latest: true
+
+      - name: Install packages
+        run: |
+          go install github.com/onsi/ginkgo/v2/ginkgo@2.1.4
+          which ginkgo
+
+      - name: Run the tests using Make
+        run: |
+          cd ipld-eth-beacon-indexer
+          make unit-test-ci
+
+  integration-test:
+    name: Run Integration Tests
+    runs-on: ubuntu-latest
+    steps:
+      - name: Create GOPATH
+        run: mkdir -p /tmp/go
+
+      - uses: actions/checkout@v2
+        with:
+          path: "./ipld-eth-beacon-indexer"
+
+      - uses: actions/checkout@v3
+        with:
+          ref: ${{ env.stack-orchestrator-ref }}
+          path: "./stack-orchestrator/"
+          repository: vulcanize/stack-orchestrator
+          fetch-depth: 0
+
+      - uses: actions/checkout@v3
+        with:
+          ref: ${{ env.ipld-eth-beacon-db-ref }}
+          repository: vulcanize/ipld-eth-beacon-db
+          path: "./ipld-eth-beacon-db/"
+          ssh-key: ${{secrets.GHA_KEY}}
+          fetch-depth: 0
+
+      - name: Create config file
+        run: |
+          echo vulcanize_ipld_eth_beacon_db=$GITHUB_WORKSPACE/ipld-eth-beacon-db/ > ./config.sh
+          echo vulcanize_ipld_eth_beacon_indexer=$GITHUB_WORKSPACE/ipld-eth-beacon-indexer >> ./config.sh
+          cat ./config.sh
+
+      - name: Run docker compose
+        run: |
+          docker-compose  \
+          -f "$GITHUB_WORKSPACE/stack-orchestrator/docker/local/docker-compose-ipld-eth-beacon-db.yml" \
+          -f "$GITHUB_WORKSPACE/stack-orchestrator/docker/latest/docker-compose-lighthouse.yml" \
+          --env-file ./config.sh \
+          up -d --build
+
+      - uses: actions/setup-go@v3
+        with:
+          go-version: ">=1.18.0"
+          check-latest: true
+
+      - name: Install packages
+        run: |
+          go install github.com/onsi/ginkgo/v2/ginkgo@latest
+          which ginkgo
+
+      - name: Run the tests using Make
+        run: |
+          cd ipld-eth-beacon-indexer
+          make integration-test-ci
+
+  golangci:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/setup-go@v3
+        with:
+          go-version: ">=1.18.0"
+      - uses: actions/checkout@v3
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v3
+        with:
+          args: --timeout 90s --disable deadcode,unused
+#          args: --timeout 90s --disable deadcode,

.github/workflows/issues-notion-sync.yml

@@ -0,0 +1,29 @@
+name: Notion Sync
+
+on:
+  workflow_dispatch:
+  issues:
+    types:
+      [
+        opened,
+        edited,
+        labeled,
+        unlabeled,
+        assigned,
+        unassigned,
+        milestoned,
+        demilestoned,
+        reopened,
+        closed,
+      ]
+
+jobs:
+  notion_job:
+    runs-on: ubuntu-latest
+    name: Add GitHub Issues to Notion
+    steps:
+      - name: Add GitHub Issues to Notion
+        uses: vulcanize/notion-github-action@v1.2.4-issueid
+        with:
+          notion-token: ${{ secrets.NOTION_TOKEN }}
+          notion-db: ${{ secrets.NOTION_DATABASE }}

.github/workflows/on-pr.yml

@@ -7,8 +7,8 @@ on:
         description: "The branch, commit or sha from stack-orchestrator to checkout"
         required: false
         default: "main"
-      ipld-ethcl-db-ref:
-        description: "The branch, commit or sha from ipld-ethcl-db to checkout"
+      ipld-eth-beacon-db-ref:
+        description: "The branch, commit or sha from ipld-eth-beacon-db to checkout"
         required: false
         default: "main"
       ssz-data-ref:
@@ -22,188 +22,26 @@ on:
       - "!LICENSE"
       - "!.github/workflows/**"
       - ".github/workflows/on-pr.yml"
+      - ".github/workflows/tests.yml"
       - "**"
+  #schedule:
+  #  - cron: '0 13 * * *' # Must be single quotes!!
 
-env:
-  stack-orchestrator-ref: ${{ github.event.inputs.stack-orchestrator-ref  || 'feature/client-build'}}
-  ipld-ethcl-db-ref: ${{ github.event.inputs.ipld-ethcl-db-ref  || 'feature/schema-ipld-ethcl-indexer' }}
-  ssz-data-ref: ${{ github.event.inputs.ssz-data-ref  || 'main' }}
-  GOPATH: /tmp/go
 jobs:
-  build:
-    name: Run Docker Build
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-        with:
-          path: "./ipld-ethcl-indexer"
-
-      - uses: actions/checkout@v3
-        with:
-          ref: ${{ env.stack-orchestrator-ref }}
-          path: "./stack-orchestrator/"
-          repository: vulcanize/stack-orchestrator
-          fetch-depth: 0
-
-      - uses: actions/checkout@v3
-        with:
-          ref: ${{ env.ipld-ethcl-db-ref }}
-          repository: vulcanize/ipld-ethcl-db
-          path: "./ipld-ethcl-db/"
-          token: ${{ secrets.GH_PAT }}
-          fetch-depth: 0
-
-      - name: Create config file
-        run: |
-          echo vulcanize_ipld_ethcl_db=$GITHUB_WORKSPACE/ipld-ethcl-db/ > ./config.sh
-          echo vulcanize_ipld_ethcl_indexer=$GITHUB_WORKSPACE/ipld-ethcl-indexer >> ./config.sh
-          echo ethcl_capture_mode=boot >> ./config.sh
-          echo ethcl_skip_sync=true >> ./config.sh
-          echo ethcl_known_gap_increment=1000000 >> ./config.sh
-          cat ./config.sh
-
-      - name: Run docker compose
-        run: |
-          docker-compose  \
-          -f "$GITHUB_WORKSPACE/stack-orchestrator/docker/local/docker-compose-ethcl-db.yml" \
-          -f "$GITHUB_WORKSPACE/stack-orchestrator/docker/latest/docker-compose-lighthouse.yml" \
-          -f "$GITHUB_WORKSPACE/stack-orchestrator/docker/local/docker-compose-ipld-ethcl-indexer.yml" \
-          --env-file ./config.sh \
-          up -d --build
-
-      - name: Check to make sure HEALTH file is present
-        shell: bash
-        run: |
-          until $(docker compose -f "$GITHUB_WORKSPACE/stack-orchestrator/docker/local/docker-compose-ipld-ethcl-indexer.yml" cp ipld-ethcl-indexer:/root/HEALTH ./HEALTH) ; do sleep 10; done
-          cat ./HEALTH
-          if [[ "$(cat ./HEALTH)" -eq "0" ]]; then echo "Application boot successful" && (exit 0); else docker compose -f "$GITHUB_WORKSPACE/stack-orchestrator/docker/local/docker-compose-ipld-ethcl-indexer.yml" cp ipld-ethcl-indexer:/root/ipld-ethcl-indexer.log . && cat ipld-ethcl-indexer.log && (exit 1); fi
-
-  unit-test:
-    name: Run Unit Tests
-    runs-on: ubuntu-latest
-    ## IF you want to update the default branch for `pull_request runs, do it after the ||`
-    steps:
-      - name: Create GOPATH
-        run: mkdir -p /tmp/go
-
-      - uses: actions/checkout@v2
-        with:
-          path: "./ipld-ethcl-indexer"
-
-      - uses: actions/checkout@v3
-        with:
-          ref: ${{ env.stack-orchestrator-ref }}
-          path: "./stack-orchestrator/"
-          repository: vulcanize/stack-orchestrator
-          fetch-depth: 0
-
-      - uses: actions/checkout@v3
-        with:
-          ref: ${{ env.ipld-ethcl-db-ref }}
-          repository: vulcanize/ipld-ethcl-db
-          path: "./ipld-ethcl-db/"
-          token: ${{ secrets.GH_PAT }}
-          fetch-depth: 0
-
-      - uses: actions/checkout@v3
-        with:
-          ref: ${{ env.ssz-data-ref }}
-          repository: vulcanize/ssz-data
-          path: "./ipld-ethcl-indexer/pkg/beaconclient/ssz-data"
-          fetch-depth: 0
-
-      - name: Create config file
-        run: |
-          echo vulcanize_ipld_ethcl_db=$GITHUB_WORKSPACE/ipld-ethcl-db/ > ./config.sh
-          echo vulcanize_ipld_ethcl_indexer=$GITHUB_WORKSPACE/ipld-ethcl-indexer >> ./config.sh
-          cat ./config.sh
-
-      - name: Run docker compose
-        run: |
-          docker-compose  \
-          -f "$GITHUB_WORKSPACE/stack-orchestrator/docker/local/docker-compose-ethcl-db.yml" \
-          --env-file ./config.sh \
-          up -d --build
-
-      - uses: actions/setup-go@v3
-        with:
-          go-version: ">=1.17.0"
-          check-latest: true
-
-      - name: Install packages
-        run: |
-          go install github.com/onsi/ginkgo/v2/ginkgo@latest
-          which ginkgo
-
-      - name: Run the tests using Make
-        run: |
-          cd ipld-ethcl-indexer
-          make unit-test-ci
-
-  integration-test:
-    name: Run Integration Tests
-    runs-on: ubuntu-latest
-    steps:
-      - name: Create GOPATH
-        run: mkdir -p /tmp/go
-
-      - uses: actions/checkout@v2
-        with:
-          path: "./ipld-ethcl-indexer"
-
-      - uses: actions/checkout@v3
-        with:
-          ref: ${{ env.stack-orchestrator-ref }}
-          path: "./stack-orchestrator/"
-          repository: vulcanize/stack-orchestrator
-          fetch-depth: 0
-
-      - uses: actions/checkout@v3
-        with:
-          ref: ${{ env.ipld-ethcl-db-ref }}
-          repository: vulcanize/ipld-ethcl-db
-          path: "./ipld-ethcl-db/"
-          token: ${{ secrets.GH_PAT }}
-          fetch-depth: 0
-
-      - name: Create config file
-        run: |
-          echo vulcanize_ipld_ethcl_db=$GITHUB_WORKSPACE/ipld-ethcl-db/ > ./config.sh
-          echo vulcanize_ipld_ethcl_indexer=$GITHUB_WORKSPACE/ipld-ethcl-indexer >> ./config.sh
-          echo ethcl_capture_mode=boot >> ./config.sh
-          cat ./config.sh
-
-      - name: Run docker compose
-        run: |
-          docker-compose  \
-          -f "$GITHUB_WORKSPACE/stack-orchestrator/docker/local/docker-compose-ethcl-db.yml" \
-          -f "$GITHUB_WORKSPACE/stack-orchestrator/docker/latest/docker-compose-lighthouse.yml" \
-          --env-file ./config.sh \
-          up -d --build
-
-      - uses: actions/setup-go@v3
-        with:
-          go-version: ">=1.17.0"
-          check-latest: true
-
-      - name: Install packages
-        run: |
-          go install github.com/onsi/ginkgo/v2/ginkgo@latest
-          which ginkgo
-
-      - name: Run the tests using Make
-        run: |
-          cd ipld-ethcl-indexer
-          make integration-test-ci
-
-  golangci:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/setup-go@v3
-        with:
-          go-version: ">=1.17.0"
-      - uses: actions/checkout@v3
-      - name: golangci-lint
-        uses: golangci/golangci-lint-action@v3
-        with:
-          args: --timeout 90s
+  trigger-tests:
+    if: github.event_name != 'schedule'
+    uses: ./.github/workflows/generic-testing.yml
+    with:
+      stack-orchestrator-ref: ${{ github.event.inputs.stack-orchestrator-ref }}
+      ipld-eth-beacon-db-ref: ${{ github.event.inputs.ipld-eth-beacon-db-ref }}
+      ssz-data-ref: ${{ github.event.inputs.ssz-data-ref }}
+    secrets:
+      GHA_KEY: ${{secrets.GHA_KEY}}
+  system-testing:
+    uses: ./.github/workflows/system-tests.yml
+    with:
+      stack-orchestrator-ref: ${{ github.event.inputs.stack-orchestrator-ref }}
+      ipld-eth-beacon-db-ref: ${{ github.event.inputs.ipld-eth-beacon-db-ref }}
+    secrets:
+      GHA_KEY: ${{secrets.GHA_KEY}}
+      BC_ADDRESS: ${{secrets.BC_ADDRESS}}

.github/workflows/on-publish.yml

@@ -3,9 +3,28 @@ on:
   release:
     types: [published, edited]
 jobs:
+  trigger-tests:
+    uses: ./.github/workflows/generic-testing.yml
+    with:
+      stack-orchestrator-ref: ${{ github.event.inputs.stack-orchestrator-ref }}
+      ipld-eth-beacon-db-ref: ${{ github.event.inputs.ipld-eth-beacon-db-ref }}
+      ssz-data-ref: ${{ github.event.inputs.ssz-data-ref }}
+    secrets:
+      GHA_KEY: ${{secrets.GHA_KEY}}
+  system-testing:
+    uses: ./.github/workflows/system-tests.yml
+    with:
+      stack-orchestrator-ref: ${{ github.event.inputs.stack-orchestrator-ref }}
+      ipld-eth-beacon-db-ref: ${{ github.event.inputs.ipld-eth-beacon-db-ref }}
+    secrets:
+      GHA_KEY: ${{secrets.GHA_KEY}}
+      BC_ADDRESS: ${{secrets.BC_ADDRESS}}
   build:
     name: Run docker build
     runs-on: ubuntu-latest
+    needs:
+      - trigger-tests
+      - system-testing
     steps:
       - uses: actions/checkout@v2
       - name: Get the version
@@ -14,11 +33,11 @@ jobs:
       - name: Run docker build
         run: make docker-build
       - name: Tag docker image
-        run: docker tag vulcanize/ipld-ethcl-indexer docker.pkg.github.com/vulcanize/ipld-ethcl-indexer/ipld-ethcl-indexer:${{steps.vars.outputs.sha}}
+        run: docker tag vulcanize/ipld-eth-beacon-indexer docker.pkg.github.com/vulcanize/ipld-eth-beacon-indexer/ipld-eth-beacon-indexer:${{steps.vars.outputs.sha}}
       - name: Docker Login
         run: echo ${{ secrets.GITHUB_TOKEN }} | docker login https://docker.pkg.github.com -u vulcanize --password-stdin
       - name: Docker Push
-        run: docker push docker.pkg.github.com/vulcanize/ipld-ethcl-indexer/ipld-ethcl-indexer:${{steps.vars.outputs.sha}}
+        run: docker push docker.pkg.github.com/vulcanize/ipld-eth-beacon-indexer/ipld-eth-beacon-indexer:${{steps.vars.outputs.sha}}
   push_to_registries:
     name: Push Docker image to Docker Hub
     runs-on: ubuntu-latest
@@ -32,10 +51,10 @@ jobs:
       - name: Docker Login to Github Registry
         run: echo ${{ secrets.GITHUB_TOKEN }} | docker login https://docker.pkg.github.com -u vulcanize --password-stdin
       - name: Docker Pull
-        run: docker pull docker.pkg.github.com/vulcanize/ipld-ethcl-indexer/ipld-ethcl-indexer:${{steps.vars.outputs.sha}}
+        run: docker pull docker.pkg.github.com/vulcanize/ipld-eth-beacon-indexer/ipld-eth-beacon-indexer:${{steps.vars.outputs.sha}}
       - name: Docker Login to Docker Registry
         run: echo ${{ secrets.VULCANIZEJENKINS_PAT }} | docker login -u vulcanizejenkins --password-stdin
       - name: Tag docker image
-        run: docker tag docker.pkg.github.com/vulcanize/ipld-ethcl-indexer/ipld-ethcl-indexer:${{steps.vars.outputs.sha}} vulcanize/ipld-ethcl-indexer:${{steps.vars.outputs.tag}}
+        run: docker tag docker.pkg.github.com/vulcanize/ipld-eth-beacon-indexer/ipld-eth-beacon-indexer:${{steps.vars.outputs.sha}} vulcanize/ipld-eth-beacon-indexer:${{steps.vars.outputs.tag}}
       - name: Docker Push to Docker Hub
-        run: docker push vulcanize/ipld-ethcl-indexer:${{steps.vars.outputs.tag}}
+        run: docker push vulcanize/ipld-eth-beacon-indexer:${{steps.vars.outputs.tag}}

.github/workflows/system-tests.yml

@@ -0,0 +1,95 @@
+name: System Testing for the stack.
+on:
+  workflow_call:
+    inputs:
+      stack-orchestrator-ref:
+        required: false
+        type: string
+      ipld-eth-beacon-db-ref:
+        required: false
+        type: string
+    secrets:
+      GHA_KEY:
+        required: true
+      BC_ADDRESS:
+        required: true
+env:
+  stack-orchestrator-ref: ${{ inputs.stack-orchestrator-ref || '7fb664270a0ba09e2caa3095e8c91f3fdb5b38af' }}
+  ipld-eth-beacon-db-ref: ${{ inputs.ipld-eth-beacon-db-ref  || '6b38fe9b18f7b19a803c626b742cafdccc1a2365' }}
+  GOPATH: /tmp/go
+  bc_protocol: "http"
+  bc_address: ${{secrets.BC_ADDRESS}}
+  bc_port: 5052
+  db_host: localhost
+  db_port: 8076
+  db_name: vulcanize_testing
+  db_user: vdbm
+  db_password: password
+  db_driver: "pgx"
+
+jobs:
+  system-testing:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Create GOPATH
+        run: mkdir -p /tmp/go
+
+      - uses: actions/checkout@v2
+        with:
+          path: "./ipld-eth-beacon-indexer"
+
+      - uses: actions/checkout@v3
+        with:
+          ref: ${{ env.stack-orchestrator-ref }}
+          path: "./stack-orchestrator/"
+          repository: vulcanize/stack-orchestrator
+          fetch-depth: 0
+
+      - uses: actions/checkout@v3
+        with:
+          ref: ${{ env.ipld-eth-beacon-db-ref }}
+          repository: vulcanize/ipld-eth-beacon-db
+          path: "./ipld-eth-beacon-db/"
+          ssh-key: ${{secrets.GHA_KEY}}
+          fetch-depth: 0
+
+      - name: Create config file
+        run: |
+          echo vulcanize_ipld_eth_beacon_db=$(pwd)/ipld-eth-beacon-db > ./config.sh
+          cat ./config.sh
+
+      - name: Run docker compose
+        id: compose
+        shell: bash
+        run: |
+          ls "./stack-orchestrator/docker/local/docker-compose-ipld-eth-beacon-db.yml"
+          whoami
+          /usr/local/bin/docker-compose  \
+          -f "./stack-orchestrator/docker/local/docker-compose-ipld-eth-beacon-db.yml" \
+          --env-file ./config.sh \
+          up -d --build
+
+      - uses: actions/setup-go@v3
+        with:
+          go-version: ">=1.18.0"
+          check-latest: true
+
+      - name: Install packages
+        run: |
+          go install github.com/onsi/ginkgo/v2/ginkgo@latest
+          which ginkgo
+
+      - name: Run the tests using Make
+        run: |
+          sleep 20
+          cd ipld-eth-beacon-indexer
+          make system-test-ci
+
+      - name: Clean up the docker containers
+        if: always() && steps.compose.outcome == 'success'
+        shell: bash
+        run: |
+          /usr/local/bin/docker-compose \
+          -f "./stack-orchestrator/docker/local/docker-compose-ipld-eth-beacon-db.yml" \
+          --env-file ./config.sh \
+          down -v

.gitignore

@@ -4,5 +4,11 @@ ipld-ethcl-indexer.log
 report.json
 cover.profile
 temp/*
+.vscode/*
 pkg/beaconclient/ssz-data/
 *.test
+ipld-eth-beacon-indexer.log
+ipld-eth-beacon-indexer
+config/local.ipld-eth-beacon-indexer-config.json
+config/docker.ipld-eth-beacon-indexer-config.json
+.idea/*

Dockerfile

@@ -1,7 +1,7 @@
 FROM golang:1.18-alpine as builder
 
-WORKDIR /go/src/github.com/vulcanize/ipld-ethcl-indexer
-RUN apk --no-cache add ca-certificates make git g++ linux-headers
+WORKDIR /go/src/github.com/vulcanize/ipld-eth-beacon-indexer
+RUN apk --no-cache add ca-certificates make git g++ linux-headers libstdc++
 
 ENV GO111MODULE=on
 COPY go.mod .
@@ -9,12 +9,13 @@ COPY go.sum .
 RUN go mod tidy; go mod download
 COPY . .
 
-RUN GCO_ENABLED=0 GOOS=linux go build -race -a -installsuffix cgo -ldflags '-extldflags "-static"' -o ipld-ethcl-indexer .
-RUN chmod +x ipld-ethcl-indexer
+RUN GCO_ENABLED=0 GOOS=linux go build -race -ldflags="-s -w" -o ipld-eth-beacon-indexer .
+RUN chmod +x ipld-eth-beacon-indexer
 
-FROM frolvlad/alpine-bash:latest
-RUN apk --no-cache add ca-certificates
+FROM alpine:latest
+RUN apk --no-cache add ca-certificates libstdc++ busybox-extras gettext libintl bash gawk sed grep bc coreutils
 WORKDIR /root/
-COPY --from=builder /go/src/github.com/vulcanize/ipld-ethcl-indexer/ipld-ethcl-indexer /root/ipld-ethcl-indexer
+COPY --from=builder /go/src/github.com/vulcanize/ipld-eth-beacon-indexer/ipld-eth-beacon-indexer /root/ipld-eth-beacon-indexer
 ADD entrypoint.sh .
+ADD ipld-eth-beacon-config-docker.json .
 ENTRYPOINT ["./entrypoint.sh"]

Makefile

@@ -65,8 +65,19 @@ integration-test-local-no-race:
 unit-test-local:
 	go vet ./...
 	go fmt ./...
-	$(GINKGO) -r --label-filter unit \
+	$(GINKGO) -r --label-filter 'unit && !flaky' \
 	--randomize-all --randomize-suites \
+	--flake-attempts=3 \
+	--fail-on-pending --keep-going \
+	--trace
+
+.PHONY: unit-test-local-bellatrix
+unit-test-local-bellatrix:
+	go vet ./...
+	go fmt ./...
+	$(GINKGO) -r --label-filter 'unit && !flaky && bellatrix' \
+	--randomize-all --randomize-suites \
+	--flake-attempts=3 \
 	--fail-on-pending --keep-going \
 	--trace
 
@@ -75,11 +86,40 @@ unit-test-ci:
 	go vet ./...
 	go fmt ./...
 	$(GINKGO) -r --label-filter unit \
+	--randomize-all --randomize-suites
+	--flake-attempts=3 \
+	--fail-on-pending --keep-going \
+	--cover --coverprofile=cover.profile \
+	--trace --json-report=report.json
+
+.PHONY: system-test-ci
+system-test-ci:
+	go vet ./...
+	go fmt ./...
+	$(GINKGO) -r --label-filter system \
 	--randomize-all --randomize-suites \
 	--fail-on-pending --keep-going \
 	--cover --coverprofile=cover.profile \
 	--trace --json-report=report.json
 
+.PHONY: system-test-local
+system-test-local:
+	go vet ./...
+	go fmt ./...
+	$(GINKGO) -r --label-filter system \
+	--randomize-all --randomize-suites \
+	--fail-on-pending --keep-going \
+	--trace
+
+.PHONY: e2e-test-local
+e2e-test-local:
+	go vet ./...
+	go fmt ./...
+	$(GINKGO) -r --label-filter e2e \
+	--randomize-all --randomize-suites \
+	--fail-on-pending --keep-going \
+	--trace
+
 
 .PHONY: build
 build:
@@ -89,4 +129,4 @@ build:
 ## Build docker image
 .PHONY: docker-build
 docker-build:
-	docker build -t vulcanize/ipld-ethcl-indexer .
+	docker build -t vulcanize/ipld-eth-beacon-indexer .

README.md

@@ -1,4 +1,4 @@
-- [ipld-ethcl-indexer](#ipld-ethcl-indexer)
+- [ipld-eth-beacon-indexer](#ipld-eth-beacon-indexer)
 - [Running the Application](#running-the-application)
 - [Development Patterns](#development-patterns)
   - [Logging](#logging)
@@ -8,7 +8,7 @@
 
 <small><i><a href='http://ecotrust-canada.github.io/markdown-toc/'>Table of contents generated with markdown-toc</a></i></small>
 
-# ipld-ethcl-indexer
+# ipld-eth-beacon-indexer
 
 This application will capture all the `BeaconState`'s and `SignedBeaconBlock`'s from the consensus chain on Ethereum. This application is going to connect to the lighthouse client, but hypothetically speaking, it should be interchangeable with any eth2 beacon node.
 
@@ -22,12 +22,12 @@ To run the application, do as follows:
 
 1. Setup the prerequisite applications.
    a. Run a beacon client (such as lighthouse).
-   b. Run a postgres DB for ethcl.
+   b. Run a postgres DB for eth-beacon.
    c. You can utilize the `stack-orchestrator` [repository](https://github.com/vulcanize/stack-orchestrato).
 
    ```
    ./wrapper.sh -e skip \
-   -d ../docker/local/docker-compose-ethcl-db.yml \
+   -d ../docker/local/docker-compose-ipld-eth-beacon-db.yml \
    -d ../docker/latest/docker-compose-lighthouse.yml \
    -v remove \
    -p ../local-config.sh
@@ -37,19 +37,7 @@ To run the application, do as follows:
 2. Run the start up command.
 
 ```
-go run -race main.go capture head --db.address localhost \
-  --db.password password \
-  --db.port 8076 \
-  --db.username vdbm \
-  --db.name vulcanize_testing \
-  --db.driver PGX \
-  --bc.address localhost \
-  --bc.port 5052 \
-  --bc.connectionProtocol http \
-  --t.skipSync=true \
-  --log.level info \
-  --log.output=true \
-  --kg.increment 100
+go run -race main.go capture full --config ./example.ipld-eth-beacon-indexer-config.json
 ```
 
 ## Running Tests

application_component.md

@@ -51,4 +51,4 @@ This package contains useful functions for logging.
 
 ## `internal/shutdown`
 
-This package is used to shutdown the `ipld-ethcl-indexer`. It calls the `pkg/gracefulshutdown` package.
+This package is used to shutdown the `ipld-eth-beacon-indexer`. It calls the `pkg/gracefulshutdown` package.

cmd/boot.go

@@ -23,9 +23,10 @@ import (
 
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
-	"github.com/vulcanize/ipld-ethcl-indexer/internal/boot"
-	"github.com/vulcanize/ipld-ethcl-indexer/internal/shutdown"
-	"github.com/vulcanize/ipld-ethcl-indexer/pkg/loghelper"
+	"github.com/spf13/viper"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/internal/boot"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/internal/shutdown"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/loghelper"
 )
 
 // bootCmd represents the boot command
@@ -44,9 +45,12 @@ func bootApp() {
 	log.Info("Starting the application in boot mode.")
 	ctx := context.Background()
 
-	BC, DB, err := boot.BootApplicationWithRetry(ctx, dbAddress, dbPort, dbName, dbUsername, dbPassword, dbDriver, bcAddress, bcPort, bcConnectionProtocol, testDisregardSync)
+	Bc, Db, err := boot.BootApplicationWithRetry(ctx, viper.GetString("db.address"), viper.GetInt("db.port"), viper.GetString("db.name"), viper.GetString("db.username"), viper.GetString("db.password"), viper.GetString("db.driver"),
+		viper.GetString("bc.address"), viper.GetInt("bc.port"), viper.GetString("bc.connectionProtocol"), viper.GetString("bc.type"), viper.GetInt("bc.bootRetryInterval"), viper.GetInt("bc.bootMaxRetry"),
+		viper.GetInt("kg.increment"), "boot", viper.GetBool("t.skipSync"), viper.GetInt("bc.uniqueNodeIdentifier"), viper.GetBool("bc.checkDb"),
+		viper.GetBool("bc.performBeaconBlockProcessing"), viper.GetBool("bc.performBeaconStateProcessing"))
 	if err != nil {
-		loghelper.LogError(err).Error("Unable to Start application")
+		StopApplicationPreBoot(err, Db)
 	}
 
 	log.Info("Boot complete, we are going to shutdown.")
@@ -57,11 +61,11 @@ func bootApp() {
 		notifierCh <- syscall.SIGTERM
 	}()
 
-	err = shutdown.ShutdownServices(ctx, notifierCh, maxWaitSecondsShutdown, DB, BC)
+	err = shutdown.ShutdownBoot(ctx, notifierCh, maxWaitSecondsShutdown, Db, Bc)
 	if err != nil {
-		loghelper.LogError(err).Error("Ungracefully Shutdown ipld-ethcl-indexer!")
+		loghelper.LogError(err).Error("Ungracefully Shutdown ipld-eth-beacon-indexer!")
 	} else {
-		log.Info("Gracefully shutdown ipld-ethcl-indexer")
+		log.Info("Gracefully shutdown ipld-eth-beacon-indexer")
 	}
 }
 

cmd/capture.go

@@ -17,6 +17,7 @@
 package cmd
 
 import (
+	"fmt"
 	"os"
 	"time"
 
@@ -25,19 +26,30 @@ import (
 )
 
 var (
-	dbUsername             string
-	dbPassword             string
-	dbName                 string
-	dbAddress              string
-	dbDriver               string
-	dbPort                 int
-	bcAddress              string
-	bcPort                 int
-	bcConnectionProtocol   string
-	bcType                 string
-	maxWaitSecondsShutdown time.Duration  = time.Duration(5) * time.Second
-	notifierCh             chan os.Signal = make(chan os.Signal, 1)
-	testDisregardSync      bool
+	dbUsername                 string
+	dbPassword                 string
+	dbName                     string
+	dbAddress                  string
+	dbDriver                   string
+	dbPort                     int
+	bcAddress                  string
+	bcPort                     int
+	bcBootRetryInterval        int
+	bcBootMaxRetry             int
+	bcConnectionProtocol       string
+	bcType                     string
+	bcMaxHistoricProcessWorker int
+	bcUniqueNodeIdentifier     int
+	bcCheckDb                  bool
+	kgMaxWorker                int
+	kgTableIncrement           int
+	kgProcessGaps              bool
+	pmMetrics                  bool
+	pmAddress                  string
+	pmPort                     int
+	maxWaitSecondsShutdown     time.Duration  = time.Duration(20) * time.Second
+	notifierCh                 chan os.Signal = make(chan os.Signal, 1)
+	testDisregardSync          bool
 )
 
 // captureCmd represents the capture command
@@ -62,35 +74,50 @@ func init() {
 	captureCmd.PersistentFlags().StringVarP(&dbName, "db.name", "n", "", "Database name connect to DB(required)")
 	captureCmd.PersistentFlags().StringVarP(&dbDriver, "db.driver", "", "", "Database Driver to connect to DB(required)")
 	captureCmd.PersistentFlags().IntVarP(&dbPort, "db.port", "", 0, "Port to connect to DB(required)")
-	err := captureCmd.MarkPersistentFlagRequired("db.username")
-	exitErr(err)
-	err = captureCmd.MarkPersistentFlagRequired("db.password")
-	exitErr(err)
-	err = captureCmd.MarkPersistentFlagRequired("db.address")
-	exitErr(err)
-	err = captureCmd.MarkPersistentFlagRequired("db.port")
-	exitErr(err)
-	err = captureCmd.MarkPersistentFlagRequired("db.name")
-	exitErr(err)
-	err = captureCmd.MarkPersistentFlagRequired("db.driver")
-	exitErr(err)
+	//err := captureCmd.MarkPersistentFlagRequired("db.username")
+	// exitErr(err)
+	// err = captureCmd.MarkPersistentFlagRequired("db.password")
+	// exitErr(err)
+	// err = captureCmd.MarkPersistentFlagRequired("db.address")
+	// exitErr(err)
+	// err = captureCmd.MarkPersistentFlagRequired("db.port")
+	// exitErr(err)
+	// err = captureCmd.MarkPersistentFlagRequired("db.name")
+	// exitErr(err)
+	// err = captureCmd.MarkPersistentFlagRequired("db.driver")
+	// exitErr(err)
 
 	//// Beacon Client Specific
 	captureCmd.PersistentFlags().StringVarP(&bcAddress, "bc.address", "l", "", "Address to connect to beacon node (required)")
 	captureCmd.PersistentFlags().StringVarP(&bcType, "bc.type", "", "lighthouse", "The beacon client we are using, options are prysm and lighthouse.")
 	captureCmd.PersistentFlags().IntVarP(&bcPort, "bc.port", "r", 0, "Port to connect to beacon node (required )")
 	captureCmd.PersistentFlags().StringVarP(&bcConnectionProtocol, "bc.connectionProtocol", "", "http", "protocol for connecting to the beacon node.")
-	err = captureCmd.MarkPersistentFlagRequired("bc.address")
-	exitErr(err)
-	err = captureCmd.MarkPersistentFlagRequired("bc.port")
-	exitErr(err)
+	captureCmd.PersistentFlags().IntVarP(&bcBootRetryInterval, "bc.bootRetryInterval", "", 30, "The amount of time to wait between retries while booting the application")
+	captureCmd.PersistentFlags().IntVarP(&bcBootMaxRetry, "bc.bootMaxRetry", "", 5, "The amount of time to wait between retries while booting the application")
+	captureCmd.PersistentFlags().IntVarP(&bcMaxHistoricProcessWorker, "bc.maxHistoricProcessWorker", "", 30, "The number of workers that should be actively processing slots from the eth-beacon.historic_process table. Be careful of system memory.")
+	captureCmd.PersistentFlags().IntVarP(&bcUniqueNodeIdentifier, "bc.uniqueNodeIdentifier", "", 0, "The unique identifier of this application. Each application connecting to the DB should have a unique identifier.")
+	captureCmd.PersistentFlags().BoolVarP(&bcCheckDb, "bc.checkDb", "", true, "Should we check to see if the slot exists in the DB before writing it?")
+	// err = captureCmd.MarkPersistentFlagRequired("bc.address")
+	// exitErr(err)
+	// err = captureCmd.MarkPersistentFlagRequired("bc.port")
+	// exitErr(err)
+
+	//// Known Gaps specific
+	captureCmd.PersistentFlags().BoolVarP(&kgProcessGaps, "kg.processKnownGaps", "", true, "Should we process the slots within the eth-beacon.known_gaps table.")
+	captureCmd.PersistentFlags().IntVarP(&kgTableIncrement, "kg.increment", "", 10000, "The max slots within a single entry to the known_gaps table.")
+	captureCmd.PersistentFlags().IntVarP(&kgMaxWorker, "kg.maxKnownGapsWorker", "", 30, "The number of workers that should be actively processing slots from the eth-beacon.known_gaps table. Be careful of system memory.")
+
+	// Prometheus Specific
+	captureCmd.PersistentFlags().BoolVarP(&pmMetrics, "pm.metrics", "", true, "Should we capture prometheus metrics.")
+	captureCmd.PersistentFlags().StringVarP(&pmAddress, "pm.address", "", "localhost", "Address to send the prometheus metrics.")
+	captureCmd.PersistentFlags().IntVarP(&pmPort, "pm.port", "", 9000, "The port to send prometheus metrics.")
 
 	//// Testing Specific
 	captureCmd.PersistentFlags().BoolVar(&testDisregardSync, "t.skipSync", false, "Should we disregard the head sync?")
 
 	// Bind Flags with Viper
 	//// DB Flags
-	err = viper.BindPFlag("db.username", captureCmd.PersistentFlags().Lookup("db.username"))
+	err := viper.BindPFlag("db.username", captureCmd.PersistentFlags().Lookup("db.username"))
 	exitErr(err)
 	err = viper.BindPFlag("db.password", captureCmd.PersistentFlags().Lookup("db.password"))
 	exitErr(err)
@@ -100,14 +127,14 @@ func init() {
 	exitErr(err)
 	err = viper.BindPFlag("db.name", captureCmd.PersistentFlags().Lookup("db.name"))
 	exitErr(err)
+	err = viper.BindPFlag("db.driver", captureCmd.PersistentFlags().Lookup("db.driver"))
+	exitErr(err)
+
+	//// Testing Specific
 	err = viper.BindPFlag("t.skipSync", captureCmd.PersistentFlags().Lookup("t.skipSync"))
 	exitErr(err)
 
-	// Testing Specific
-	err = viper.BindPFlag("t.driver", captureCmd.PersistentFlags().Lookup("db.driver"))
-	exitErr(err)
-
-	// LH specific
+	//// LH specific
 	err = viper.BindPFlag("bc.address", captureCmd.PersistentFlags().Lookup("bc.address"))
 	exitErr(err)
 	err = viper.BindPFlag("bc.type", captureCmd.PersistentFlags().Lookup("bc.type"))
@@ -116,14 +143,40 @@ func init() {
 	exitErr(err)
 	err = viper.BindPFlag("bc.connectionProtocol", captureCmd.PersistentFlags().Lookup("bc.connectionProtocol"))
 	exitErr(err)
+	err = viper.BindPFlag("bc.bootRetryInterval", captureCmd.PersistentFlags().Lookup("bc.bootRetryInterval"))
+	exitErr(err)
+	err = viper.BindPFlag("bc.bootMaxRetry", captureCmd.PersistentFlags().Lookup("bc.bootMaxRetry"))
+	exitErr(err)
+	err = viper.BindPFlag("bc.maxHistoricProcessWorker", captureCmd.PersistentFlags().Lookup("bc.maxHistoricProcessWorker"))
+	exitErr(err)
+	err = viper.BindPFlag("bc.uniqueNodeIdentifier", captureCmd.PersistentFlags().Lookup("bc.uniqueNodeIdentifier"))
+	exitErr(err)
+	err = viper.BindPFlag("bc.checkDb", captureCmd.PersistentFlags().Lookup("bc.checkDb"))
+	exitErr(err)
 	// Here you will define your flags and configuration settings.
 
+	//// Known Gap Specific
+	err = viper.BindPFlag("kg.processKnownGaps", captureCmd.PersistentFlags().Lookup("kg.processKnownGaps"))
+	exitErr(err)
+	err = viper.BindPFlag("kg.increment", captureCmd.PersistentFlags().Lookup("kg.increment"))
+	exitErr(err)
+	err = viper.BindPFlag("kg.processKnownGaps", captureCmd.PersistentFlags().Lookup("kg.maxKnownGapsWorker"))
+	exitErr(err)
+
+	// Prometheus Specific
+	err = viper.BindPFlag("pm.metrics", captureCmd.PersistentFlags().Lookup("pm.metrics"))
+	exitErr(err)
+	err = viper.BindPFlag("pm.address", captureCmd.PersistentFlags().Lookup("pm.address"))
+	exitErr(err)
+	err = viper.BindPFlag("pm.port", captureCmd.PersistentFlags().Lookup("pm.port"))
+	exitErr(err)
 }
 
 // Helper function to catch any errors.
 // We need to capture these errors for the linter.
 func exitErr(err error) {
 	if err != nil {
+		fmt.Println("Error: ", err)
 		os.Exit(1)
 	}
 }

cmd/full.go

@@ -0,0 +1,120 @@
+// VulcanizeDB
+// Copyright © 2022 Vulcanize
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package cmd
+
+import (
+	"context"
+	"fmt"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/beaconclient"
+	"strconv"
+
+	log "github.com/sirupsen/logrus"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/internal/boot"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/internal/shutdown"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/loghelper"
+	"golang.org/x/sync/errgroup"
+)
+
+// fullCmd represents the full command
+var fullCmd = &cobra.Command{
+	Use:   "full",
+	Short: "Capture all components of the application (head and historical)",
+	Long:  `Capture all components of the application (head and historical)`,
+	Run: func(cmd *cobra.Command, args []string) {
+		startFullProcessing()
+	},
+}
+
+func init() {
+	captureCmd.AddCommand(fullCmd)
+
+	// Here you will define your flags and configuration settings.
+
+	// Cobra supports Persistent Flags which will work for this command
+	// and all subcommands, e.g.:
+	// fullCmd.PersistentFlags().String("foo", "", "A help for foo")
+
+	// Cobra supports local flags which will only run when this command
+	// is called directly, e.g.:
+	// fullCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+}
+
+// Start the application to track at head and historical processing.
+func startFullProcessing() {
+	// Boot the application
+	log.Info("Starting the application in head tracking mode.")
+	ctx := context.Background()
+
+	Bc, Db, err := boot.BootApplicationWithRetry(ctx, viper.GetString("db.address"), viper.GetInt("db.port"), viper.GetString("db.name"), viper.GetString("db.username"), viper.GetString("db.password"), viper.GetString("db.driver"),
+		viper.GetString("bc.address"), viper.GetInt("bc.port"), viper.GetString("bc.connectionProtocol"), viper.GetString("bc.type"), viper.GetInt("bc.bootRetryInterval"), viper.GetInt("bc.bootMaxRetry"),
+		viper.GetInt("kg.increment"), "head", viper.GetBool("t.skipSync"), viper.GetInt("bc.uniqueNodeIdentifier"), viper.GetBool("bc.checkDb"),
+		viper.GetBool("bc.performBeaconBlockProcessing"), viper.GetBool("bc.performBeaconStateProcessing"))
+	if err != nil {
+		StopApplicationPreBoot(err, Db)
+	}
+
+	if viper.GetBool("pm.metrics") {
+		addr := viper.GetString("pm.address") + ":" + strconv.Itoa(viper.GetInt("pm.port"))
+		serveProm(addr)
+	}
+
+	log.Info("The Beacon Client has booted successfully!")
+	// Capture head blocks
+	go Bc.CaptureHead()
+
+	hpContext, hpCancel := context.WithCancel(context.Background())
+
+	errG, _ := errgroup.WithContext(context.Background())
+	errG.Go(func() error {
+		errs := Bc.CaptureHistoric(hpContext, viper.GetInt("bc.maxHistoricProcessWorker"), beaconclient.Slot(viper.GetUint64("bc.minimumSlot")))
+		if len(errs) != 0 {
+			if len(errs) != 0 {
+				log.WithFields(log.Fields{"errs": errs}).Error("All errors when processing historic events")
+				return fmt.Errorf("Application ended because there were too many error when attempting to process historic")
+			}
+		}
+		return nil
+	})
+	kgCtx, KgCancel := context.WithCancel(context.Background())
+	if viper.GetBool("kg.processKnownGaps") {
+		go func() {
+			errG := new(errgroup.Group)
+			errG.Go(func() error {
+				errs := Bc.ProcessKnownGaps(kgCtx, viper.GetInt("kg.maxKnownGapsWorker"), beaconclient.Slot(viper.GetUint64("kg.minimumSlot")))
+				if len(errs) != 0 {
+					log.WithFields(log.Fields{"errs": errs}).Error("All errors when processing knownGaps")
+					return fmt.Errorf("Application ended because there were too many error when attempting to process knownGaps")
+				}
+				return nil
+			})
+			if err := errG.Wait(); err != nil {
+				loghelper.LogError(err).Error("Error with knownGaps processing")
+			}
+		}()
+	}
+
+	// Shutdown when the time is right.
+	err = shutdown.ShutdownFull(ctx, KgCancel, hpCancel, notifierCh, maxWaitSecondsShutdown, Db, Bc)
+	if err != nil {
+		loghelper.LogError(err).Error("Ungracefully Shutdown ipld-eth-beacon-indexer!")
+	} else {
+		log.Info("Gracefully shutdown ipld-eth-beacon-indexer")
+	}
+
+}

cmd/head.go

@@ -18,18 +18,19 @@ package cmd
 
 import (
 	"context"
-	"os"
+	"fmt"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/beaconclient"
+	"net/http"
+	"strconv"
 
+	"github.com/prometheus/client_golang/prometheus/promhttp"
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
-	"github.com/vulcanize/ipld-ethcl-indexer/internal/boot"
-	"github.com/vulcanize/ipld-ethcl-indexer/internal/shutdown"
-	"github.com/vulcanize/ipld-ethcl-indexer/pkg/loghelper"
-)
-
-var (
-	kgTableIncrement int
+	"github.com/vulcanize/ipld-eth-beacon-indexer/internal/boot"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/internal/shutdown"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/loghelper"
+	"golang.org/x/sync/errgroup"
 )
 
 // headCmd represents the head command
@@ -48,34 +49,66 @@ func startHeadTracking() {
 	log.Info("Starting the application in head tracking mode.")
 	ctx := context.Background()
 
-	BC, DB, err := boot.BootApplicationWithRetry(ctx, dbAddress, dbPort, dbName, dbUsername, dbPassword, dbDriver, bcAddress, bcPort, bcConnectionProtocol, testDisregardSync)
+	Bc, Db, err := boot.BootApplicationWithRetry(ctx, viper.GetString("db.address"), viper.GetInt("db.port"), viper.GetString("db.name"), viper.GetString("db.username"), viper.GetString("db.password"), viper.GetString("db.driver"),
+		viper.GetString("bc.address"), viper.GetInt("bc.port"), viper.GetString("bc.connectionProtocol"), viper.GetString("bc.type"), viper.GetInt("bc.bootRetryInterval"), viper.GetInt("bc.bootMaxRetry"),
+		viper.GetInt("kg.increment"), "head", viper.GetBool("t.skipSync"), viper.GetInt("bc.uniqueNodeIdentifier"), viper.GetBool("bc.checkDb"),
+		viper.GetBool("bc.performBeaconBlockProcessing"), viper.GetBool("bc.performBeaconStateProcessing"))
 	if err != nil {
-		loghelper.LogError(err).Error("Unable to Start application")
-		if DB != nil {
-			DB.Close()
-		}
-		os.Exit(1)
+		StopApplicationPreBoot(err, Db)
+	}
+
+	if viper.GetBool("pm.metrics") {
+		addr := viper.GetString("pm.address") + ":" + strconv.Itoa(viper.GetInt("pm.port"))
+		serveProm(addr)
 	}
 
 	log.Info("The Beacon Client has booted successfully!")
 	// Capture head blocks
-	go BC.CaptureHead(kgTableIncrement)
+	go Bc.CaptureHead()
+	kgCtx, KgCancel := context.WithCancel(context.Background())
+	if viper.GetBool("kg.processKnownGaps") {
+		go func() {
+			errG := new(errgroup.Group)
+			errG.Go(func() error {
+				errs := Bc.ProcessKnownGaps(kgCtx, viper.GetInt("kg.maxKnownGapsWorker"), beaconclient.Slot(viper.GetUint64("kg.minimumSlot")))
+				if len(errs) != 0 {
+					log.WithFields(log.Fields{"errs": errs}).Error("All errors when processing knownGaps")
+					return fmt.Errorf("Application ended because there were too many error when attempting to process knownGaps")
+				}
+				return nil
+			})
+			if err := errG.Wait(); err != nil {
+				loghelper.LogError(err).Error("Error with knownGaps processing")
+			}
+		}()
+	}
 
 	// Shutdown when the time is right.
-	err = shutdown.ShutdownServices(ctx, notifierCh, maxWaitSecondsShutdown, DB, BC)
+	err = shutdown.ShutdownHeadTracking(ctx, KgCancel, notifierCh, maxWaitSecondsShutdown, Db, Bc)
 	if err != nil {
-		loghelper.LogError(err).Error("Ungracefully Shutdown ipld-ethcl-indexer!")
+		loghelper.LogError(err).Error("Ungracefully Shutdown ipld-eth-beacon-indexer!")
 	} else {
-		log.Info("Gracefully shutdown ipld-ethcl-indexer")
+		log.Info("Gracefully shutdown ipld-eth-beacon-indexer")
 	}
 
 }
 
 func init() {
 	captureCmd.AddCommand(headCmd)
-
-	// Known Gaps specific
-	captureCmd.PersistentFlags().IntVarP(&kgTableIncrement, "kg.increment", "", 10000, "The max slots within a single entry to the known_gaps table.")
-	err := viper.BindPFlag("kg.increment", captureCmd.PersistentFlags().Lookup("kg.increment"))
-	exitErr(err)
+}
+
+// Start prometheus server
+func serveProm(addr string) {
+	mux := http.NewServeMux()
+	mux.Handle("/metrics", promhttp.Handler())
+
+	srv := http.Server{
+		Addr:    addr,
+		Handler: mux,
+	}
+	go func() {
+		if err := srv.ListenAndServe(); err != nil {
+			loghelper.LogError(err).WithField("endpoint", addr).Error("Error with prometheus")
+		}
+	}()
 }

cmd/historic.go

@@ -17,9 +17,20 @@
 package cmd
 
 import (
+	"context"
 	"fmt"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/beaconclient"
+	"os"
+	"strconv"
 
+	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/internal/boot"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/internal/shutdown"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/database/sql"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/loghelper"
+	"golang.org/x/sync/errgroup"
 )
 
 // historicCmd represents the historic command
@@ -28,10 +39,70 @@ var historicCmd = &cobra.Command{
 	Short: "Capture the historic blocks and states.",
 	Long:  `Capture the historic blocks and states.`,
 	Run: func(cmd *cobra.Command, args []string) {
-		fmt.Println("historic called")
+		startHistoricProcessing()
 	},
 }
 
+// Start the application to process historical slots.
+func startHistoricProcessing() {
+	// Boot the application
+	log.Info("Starting the application in head tracking mode.")
+	ctx := context.Background()
+
+	Bc, Db, err := boot.BootApplicationWithRetry(ctx, viper.GetString("db.address"), viper.GetInt("db.port"), viper.GetString("db.name"), viper.GetString("db.username"), viper.GetString("db.password"), viper.GetString("db.driver"),
+		viper.GetString("bc.address"), viper.GetInt("bc.port"), viper.GetString("bc.connectionProtocol"), viper.GetString("bc.type"), viper.GetInt("bc.bootRetryInterval"), viper.GetInt("bc.bootMaxRetry"),
+		viper.GetInt("kg.increment"), "historic", viper.GetBool("t.skipSync"), viper.GetInt("bc.uniqueNodeIdentifier"), viper.GetBool("bc.checkDb"),
+		viper.GetBool("bc.performBeaconBlockProcessing"), viper.GetBool("bc.performBeaconStateProcessing"))
+	if err != nil {
+		StopApplicationPreBoot(err, Db)
+	}
+
+	if viper.GetBool("pm.metrics") {
+		addr := viper.GetString("pm.address") + ":" + strconv.Itoa(viper.GetInt("pm.port"))
+		serveProm(addr)
+	}
+
+	hpContext, hpCancel := context.WithCancel(context.Background())
+
+	errG, _ := errgroup.WithContext(context.Background())
+	errG.Go(func() error {
+		errs := Bc.CaptureHistoric(hpContext, viper.GetInt("bc.maxHistoricProcessWorker"), beaconclient.Slot(viper.GetUint64("bc.minimumSlot")))
+		if len(errs) != 0 {
+			if len(errs) != 0 {
+				log.WithFields(log.Fields{"errs": errs}).Error("All errors when processing historic events")
+				return fmt.Errorf("Application ended because there were too many error when attempting to process historic")
+			}
+		}
+		return nil
+	})
+
+	kgContext, kgCancel := context.WithCancel(context.Background())
+	if viper.GetBool("kg.processKnownGaps") {
+		go func() {
+			errG := new(errgroup.Group)
+			errG.Go(func() error {
+				errs := Bc.ProcessKnownGaps(kgContext, viper.GetInt("kg.maxKnownGapsWorker"), beaconclient.Slot(viper.GetUint64("kg.minimumSlot")))
+				if len(errs) != 0 {
+					log.WithFields(log.Fields{"errs": errs}).Error("All errors when processing knownGaps")
+					return fmt.Errorf("Application ended because there were too many error when attempting to process knownGaps")
+				}
+				return nil
+			})
+			if err := errG.Wait(); err != nil {
+				loghelper.LogError(err).Error("Error with knownGaps processing")
+			}
+		}()
+	}
+
+	// Shutdown when the time is right.
+	err = shutdown.ShutdownHistoricProcessing(ctx, kgCancel, hpCancel, notifierCh, maxWaitSecondsShutdown, Db, Bc)
+	if err != nil {
+		loghelper.LogError(err).Error("Ungracefully Shutdown ipld-eth-beacon-indexer!")
+	} else {
+		log.Info("Gracefully shutdown ipld-eth-beacon-indexer")
+	}
+}
+
 func init() {
 	captureCmd.AddCommand(historicCmd)
 
@@ -45,3 +116,12 @@ func init() {
 	// is called directly, e.g.:
 	// historicCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
 }
+
+// Stop the application during its initial boot phases.
+func StopApplicationPreBoot(startErr error, db sql.Database) {
+	loghelper.LogError(startErr).Error("Unable to Start application")
+	if db != nil {
+		db.Close()
+	}
+	os.Exit(1)
+}

cmd/root.go

@@ -32,7 +32,7 @@ var (
 
 // rootCmd represents the base command when called without any subcommands
 var rootCmd = &cobra.Command{
-	Use:   "ipld-ethcl-indexer",
+	Use:   "ipld-eth-beacon-indexer",
 	Short: "This application will keep track of all BeaconState's and SignedBeaconBlock's on the Beacon Chain.",
 	Long: `This is an application that will capture the BeaconState's and SignedBeaconBlock's on the Beacon Chain.
 It can either do this will keeping track of head, or backfilling historic data.`,
@@ -47,6 +47,7 @@ It can either do this will keeping track of head, or backfilling historic data.`
 func Execute() {
 	err := rootCmd.Execute()
 	if err != nil {
+		fmt.Println("Err when executing rootCmd", err)
 		os.Exit(1)
 	}
 }
@@ -126,9 +127,9 @@ func init() {
 	// will be global for your application.
 
 	// Optional Flags
-	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.ipld-ethcl-indexer.yaml)")
+	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.ipld-eth-beacon-indexer.yaml)")
 	rootCmd.PersistentFlags().String("log.level", log.InfoLevel.String(), "log level (trace, debug, info, warn, error, fatal, panic)")
-	rootCmd.PersistentFlags().String("log.file", "ipld-ethcl-indexer.log", "file path for logging")
+	rootCmd.PersistentFlags().String("log.file", "ipld-eth-beacon-indexer.log", "file path for logging")
 	rootCmd.PersistentFlags().Bool("log.output", true, "Should we log to STDOUT")
 	rootCmd.PersistentFlags().String("log.format", "json", "json or text")
 
@@ -159,10 +160,10 @@ func initConfig() {
 		home, err := os.UserHomeDir()
 		cobra.CheckErr(err)
 
-		// Search config in home directory with name ".ipld-ethcl-indexer" (without extension).
+		// Search config in home directory with name ".ipld-eth-beacon-indexer" (without extension).
 		viper.AddConfigPath(home)
 		viper.SetConfigType("yaml")
-		viper.SetConfigName(".ipld-ethcl-indexer")
+		viper.SetConfigName(".ipld-eth-beacon-indexer")
 	}
 
 	viper.AutomaticEnv() // read in environment variables that match

cmd/version.go

@@ -20,7 +20,7 @@ import (
 
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
-	v "github.com/vulcanize/ipld-ethcl-indexer/pkg/version"
+	v "github.com/vulcanize/ipld-eth-beacon-indexer/pkg/version"
 )
 
 var (
@@ -47,7 +47,7 @@ to quickly create a Cobra application.`,
 			Patch: Patch,
 			Meta:  Meta,
 		}
-		log.Infof("ipld-ethcl-indexer version: %s", version.GetVersionWithMeta())
+		log.Infof("ipld-eth-beacon-indexer version: %s", version.GetVersionWithMeta())
 		fmt.Println(version.GetVersionWithMeta())
 	},
 }

config/cicd/boot.ipld-eth-beacon-indexer.json

@@ -0,0 +1,40 @@
+{
+  "db": {
+    "address": "ipld-eth-beacon-db",
+    "password": "password",
+    "port": 5432,
+    "username": "vdbm",
+    "name": "vulcanize_testing",
+    "driver": "PGX"
+  },
+  "bc": {
+    "address": "lighthouse",
+    "port": 5052,
+    "type": "lighthouse",
+    "bootRetryInterval": 30,
+    "bootMaxRetry": 5,
+    "maxHistoricProcessWorker": 2,
+    "connectionProtocol": "http",
+    "uniqueNodeIdentifier": 100,
+    "checkDb": true
+  },
+  "t": {
+    "skipSync": true
+  },
+  "log": {
+    "level": "debug",
+    "output": true,
+    "file": "./ipld-eth-beacon-indexer.log",
+    "format": "json"
+  },
+  "kg": {
+    "increment": 10000,
+    "processKnownGaps": true,
+    "maxKnownGapsWorker": 2
+  },
+  "pm": {
+    "address": "localhost",
+    "port": 9000,
+    "metrics": true
+  }
+}

config/example.ipld-eth-beacon-indexer-config.json

@@ -0,0 +1 @@
+../ipld-eth-beacon-config.json

config/tel.ipld-eth-beacon-indexer-config.json

@@ -0,0 +1,40 @@
+{
+  "db": {
+    "address": "localhost",
+    "password": "secret12",
+    "port": 45432,
+    "username": "postgres",
+    "name": "postgres",
+    "driver": "PGX"
+  },
+  "bc": {
+    "address": "localhost",
+    "port": 8001,
+    "type": "lighthouse",
+    "bootRetryInterval": 30,
+    "bootMaxRetry": 5,
+    "maxHistoricProcessWorker": 2,
+    "connectionProtocol": "http",
+    "uniqueNodeIdentifier": 100,
+    "checkDb": true
+  },
+  "t": {
+    "skipSync": true
+  },
+  "log": {
+    "level": "debug",
+    "output": true,
+    "file": "./ipld-eth-beacon-indexer.log",
+    "format": "json"
+  },
+  "kg": {
+    "increment": 10000,
+    "processKnownGaps": true,
+    "maxKnownGapsWorker": 2
+  },
+  "pm": {
+    "address": "localhost",
+    "port": 9000,
+    "metrics": true
+  }
+}

entrypoint.sh

@@ -1,40 +1,29 @@
 #!/bin/bash
 
 sleep 10
-echo "Starting ipld-ethcl-indexer"
+echo "Starting ipld-eth-beacon-indexer"
 
-echo /root/ipld-ethcl-indexer capture ${CAPTURE_MODE} --db.address $DB_ADDRESS \
-  --db.password $DB_PASSWORD \
-  --db.port $DB_PORT \
-  --db.username $DB_USER \
-  --db.name $DB_NAME \
-  --db.driver $DB_DRIVER \
-  --bc.address $BC_ADDRESS \
-  --bc.port $BC_PORT \
-  --log.level $LOG_LEVEL\
-  --t.skipSync=$SKIP_SYNC \
-  --kg.increment $KNOWN_GAP_INCREMENT
+cat /root/ipld-eth-beacon-config-docker.json | envsubst > /root/ipld-eth-beacon-config.json
 
-/root/ipld-ethcl-indexer capture ${CAPTURE_MODE} --db.address $DB_ADDRESS \
-  --db.password $DB_PASSWORD \
-  --db.port $DB_PORT \
-  --db.username $DB_USER \
-  --db.name $DB_NAME \
-  --db.driver $DB_DRIVER \
-  --bc.address $BC_ADDRESS \
-  --bc.port $BC_PORT \
-  --log.level $LOG_LEVEL \
-  --t.skipSync=$SKIP_SYNC \
-  --kg.increment $KNOWN_GAP_INCREMENT
+echo /root/ipld-eth-beacon-indexer capture ${CAPTURE_MODE} --config /root/ipld-eth-beacon-config.json > /root/ipld-eth-beacon-indexer.output
+env
 
-rv=$?
+if [ ${CAPTURE_MODE} == "boot" ]; then
+    /root/ipld-eth-beacon-indexer capture ${CAPTURE_MODE} --config /root/ipld-eth-beacon-config.json > /root/ipld-eth-beacon-indexer.output
+    rv=$?
 
-if [ $rv != 0 ]; then
-  echo "ipld-ethcl-indexer startup failed"
-  echo 1 > /root/HEALTH
+    if [ $rv != 0 ]; then
+      echo "ipld-eth-beacon-indexer boot failed"
+    else
+      echo "ipld-eth-beacon-indexer boot succeeded"
+    fi
+
+    echo $rv > /root/HEALTH
+    echo $rv
+    cat /root/ipld-eth-beacon-indexer.output
+
+    tail -f /dev/null
 else
-  echo "ipld-ethcl-indexer startup succeeded"
-  echo 0 > /root/HEALTH
+    exec /root/ipld-eth-beacon-indexer capture ${CAPTURE_MODE} --config /root/ipld-eth-beacon-config.json > /dev/null &
+    tail -F ipld-eth-beacon-indexer.log
 fi
-
-tail -f /dev/null

go.mod

@@ -1,110 +1,113 @@
-module github.com/vulcanize/ipld-ethcl-indexer
+module github.com/vulcanize/ipld-eth-beacon-indexer
 
 go 1.18
 
 require (
 	github.com/ipfs/go-ipfs-blockstore v1.2.0
 	github.com/ipfs/go-ipfs-ds-help v1.1.0
-	github.com/jackc/pgconn v1.12.0
-	github.com/multiformats/go-multihash v0.1.0
+	github.com/jackc/pgconn v1.13.0
+	github.com/multiformats/go-multihash v0.2.1
 	github.com/onsi/ginkgo/v2 v2.1.4
 	github.com/onsi/gomega v1.19.0
-	github.com/r3labs/sse v0.0.0-20210224172625-26fe804710bc
-	github.com/sirupsen/logrus v1.8.1
+	github.com/pkg/errors v0.9.1
+	github.com/prometheus/client_golang v1.13.0
+	github.com/protolambda/zrnt v0.28.0
+	github.com/protolambda/ztyp v0.2.2
+	github.com/r3labs/sse/v2 v2.8.1
+	github.com/sirupsen/logrus v1.9.0
 )
 
 require (
+	github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6 // indirect
+	github.com/benbjohnson/clock v1.3.0 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/btcsuite/btcd/btcec/v2 v2.2.0 // indirect
 	github.com/cespare/xxhash/v2 v2.1.2 // indirect
-	github.com/cpuguy83/go-md2man/v2 v2.0.1 // indirect
-	github.com/ethereum/go-ethereum v1.10.17 // indirect
+	github.com/deckarep/golang-set v1.8.0 // indirect
+	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 // indirect
+	github.com/ethereum/go-ethereum v1.10.25 // indirect
+	github.com/go-ole/go-ole v1.2.1 // indirect
+	github.com/go-stack/stack v1.8.0 // indirect
+	github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
-	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/google/pprof v0.0.0-20210407192527-94a9f03dee38 // indirect
 	github.com/google/uuid v1.3.0 // indirect
-	github.com/grpc-ecosystem/grpc-gateway/v2 v2.10.0 // indirect
+	github.com/gorilla/websocket v1.4.2 // indirect
 	github.com/hashicorp/golang-lru v0.5.5-0.20210104140557-80c98217689d // indirect
-	github.com/herumi/bls-eth-go-binary v0.0.0-20210917013441-d37c07cfda4e // indirect
+	github.com/holiman/uint256 v1.2.0 // indirect
 	github.com/ipfs/bbloom v0.0.4 // indirect
 	github.com/ipfs/go-block-format v0.0.3 // indirect
-	github.com/ipfs/go-cid v0.1.0 // indirect
-	github.com/ipfs/go-datastore v0.5.0 // indirect
+	github.com/ipfs/go-cid v0.3.2 // indirect
+	github.com/ipfs/go-datastore v0.6.0 // indirect
 	github.com/ipfs/go-ipfs-util v0.0.2 // indirect
-	github.com/ipfs/go-ipld-format v0.3.0 // indirect
+	github.com/ipfs/go-ipld-format v0.4.0 // indirect
 	github.com/ipfs/go-log v1.0.5 // indirect
-	github.com/ipfs/go-log/v2 v2.5.0 // indirect
+	github.com/ipfs/go-log/v2 v2.5.1 // indirect
 	github.com/ipfs/go-metrics-interface v0.0.1 // indirect
 	github.com/jackc/chunkreader/v2 v2.0.1 // indirect
 	github.com/jackc/pgio v1.0.0 // indirect
 	github.com/jackc/pgpassfile v1.0.0 // indirect
-	github.com/jackc/pgproto3/v2 v2.3.0 // indirect
+	github.com/jackc/pgproto3/v2 v2.3.1 // indirect
 	github.com/jackc/pgservicefile v0.0.0-20200714003250-2b9c44734f2b // indirect
-	github.com/jackc/pgtype v1.11.0 // indirect
-	github.com/jackc/puddle v1.2.1 // indirect
+	github.com/jackc/pgtype v1.12.0 // indirect
+	github.com/jackc/puddle v1.3.0 // indirect
 	github.com/jbenet/goprocess v0.1.4 // indirect
-	github.com/klauspost/cpuid/v2 v2.0.12 // indirect
+	github.com/kilic/bls12-381 v0.1.0 // indirect
+	github.com/klauspost/cpuid/v2 v2.1.1 // indirect
 	github.com/lib/pq v1.10.5 // indirect
-	github.com/mattn/go-isatty v0.0.14 // indirect
+	github.com/mattn/go-isatty v0.0.16 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
-	github.com/minio/blake2b-simd v0.0.0-20160723061019-3f5f724cb5b1 // indirect
-	github.com/minio/highwayhash v1.0.1 // indirect
 	github.com/minio/sha256-simd v1.0.0 // indirect
-	github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826 // indirect
 	github.com/mr-tron/base58 v1.2.0 // indirect
-	github.com/multiformats/go-base32 v0.0.4 // indirect
+	github.com/multiformats/go-base32 v0.1.0 // indirect
 	github.com/multiformats/go-base36 v0.1.0 // indirect
-	github.com/multiformats/go-multibase v0.0.3 // indirect
+	github.com/multiformats/go-multibase v0.1.1 // indirect
 	github.com/multiformats/go-varint v0.0.6 // indirect
 	github.com/opentracing/opentracing-go v1.2.0 // indirect
-	github.com/pkg/errors v0.9.1 // indirect
-	github.com/prometheus/client_golang v1.12.1 // indirect
 	github.com/prometheus/client_model v0.2.0 // indirect
-	github.com/prometheus/common v0.32.1 // indirect
-	github.com/prometheus/procfs v0.7.3 // indirect
-	github.com/prysmaticlabs/go-bitfield v0.0.0-20210809151128-385d8c5e3fb7 // indirect
-	github.com/prysmaticlabs/gohashtree v0.0.1-alpha.0.20220303211031-f753e083138c // indirect
-	github.com/russross/blackfriday/v2 v2.1.0 // indirect
+	github.com/prometheus/common v0.37.0 // indirect
+	github.com/prometheus/procfs v0.8.0 // indirect
+	github.com/protolambda/bls12-381-util v0.0.0-20210720105258-a772f2aac13e // indirect
+	github.com/rogpeppe/go-internal v1.8.0 // indirect
+	github.com/shirou/gopsutil v3.21.4-0.20210419000835-c7a38de76ee5+incompatible // indirect
 	github.com/spaolacci/murmur3 v1.1.0 // indirect
-	github.com/supranational/blst v0.3.5 // indirect
-	github.com/thomaso-mirodin/intmath v0.0.0-20160323211736-5dc6d854e46e // indirect
-	github.com/urfave/cli/v2 v2.3.0 // indirect
-	go.opencensus.io v0.23.0 // indirect
-	go.uber.org/atomic v1.9.0 // indirect
+	github.com/tklauser/go-sysconf v0.3.5 // indirect
+	github.com/tklauser/numcpus v0.2.2 // indirect
+	go.uber.org/atomic v1.10.0 // indirect
 	go.uber.org/multierr v1.8.0 // indirect
-	go.uber.org/zap v1.21.0 // indirect
-	golang.org/x/crypto v0.0.0-20220427172511-eb4f295cb31f // indirect
-	golang.org/x/net v0.0.0-20220425223048-2871e0cb64e4 // indirect
-	google.golang.org/genproto v0.0.0-20220505152158-f39f71e6c8f3 // indirect
-	google.golang.org/grpc v1.46.0 // indirect
-	google.golang.org/protobuf v1.28.0 // indirect
+	go.uber.org/zap v1.23.0 // indirect
+	golang.org/x/crypto v0.0.0-20220829220503-c86fa9a7ed90 // indirect
+	golang.org/x/net v0.0.0-20220907135653-1e95f45603a7 // indirect
+	golang.org/x/tools v0.1.10 // indirect
+	google.golang.org/protobuf v1.28.1 // indirect
 	gopkg.in/cenkalti/backoff.v1 v1.1.0 // indirect
+	gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce // indirect
 	lukechampine.com/blake3 v1.1.7 // indirect
 )
 
 require (
-	github.com/ferranbt/fastssz v0.0.0-20220303160658-88bb965b6747 // indirect
 	github.com/fsnotify/fsnotify v1.5.4 // indirect
-	github.com/georgysavva/scany v0.3.0
+	github.com/georgysavva/scany v1.2.0
 	github.com/hashicorp/hcl v1.0.0 // indirect
-	github.com/inconshreveable/mousetrap v1.0.0 // indirect
-	github.com/jackc/pgx/v4 v4.16.0
+	github.com/inconshreveable/mousetrap v1.0.1 // indirect
+	github.com/jackc/pgx/v4 v4.17.2
 	github.com/jarcoal/httpmock v1.2.0
 	github.com/magiconair/properties v1.8.6 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/pelletier/go-toml v1.9.5 // indirect
-	github.com/pelletier/go-toml/v2 v2.0.0 // indirect
-	github.com/prysmaticlabs/prysm v1.4.2-0.20220504145118-df695346a53c
-	github.com/spf13/afero v1.8.2 // indirect
-	github.com/spf13/cast v1.4.1 // indirect
-	github.com/spf13/cobra v1.4.0
+	github.com/pelletier/go-toml/v2 v2.0.5 // indirect
+	github.com/spf13/afero v1.9.2 // indirect
+	github.com/spf13/cast v1.5.0 // indirect
+	github.com/spf13/cobra v1.5.0
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
-	github.com/spf13/viper v1.11.0
-	github.com/subosito/gotenv v1.2.0 // indirect
-	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
-	golang.org/x/sys v0.0.0-20220503163025-988cb79eb6c6 // indirect
+	github.com/spf13/viper v1.13.0
+	github.com/subosito/gotenv v1.4.1 // indirect
+	golang.org/x/sync v0.0.0-20220907140024-f12130a52804
+	golang.org/x/sys v0.0.0-20220907062415-87db552b00fd // indirect
 	golang.org/x/text v0.3.7 // indirect
-	gopkg.in/ini.v1 v1.66.4 // indirect
+	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
-	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

internal/boot/boot.go

@@ -18,19 +18,18 @@ package boot
 import (
 	"context"
 	"fmt"
+	"strings"
 	"time"
 
 	log "github.com/sirupsen/logrus"
-	"github.com/vulcanize/ipld-ethcl-indexer/pkg/beaconclient"
-	"github.com/vulcanize/ipld-ethcl-indexer/pkg/database/sql"
-	"github.com/vulcanize/ipld-ethcl-indexer/pkg/database/sql/postgres"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/beaconclient"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/database/sql"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/database/sql/postgres"
 )
 
 var (
-	maxRetry                                 = 5  // Max times to try to connect to the DB or BC at boot.
-	retryInterval                            = 30 // The time to wait between each try.
-	DB            sql.Database               = &postgres.DB{}
-	BC            *beaconclient.BeaconClient = &beaconclient.BeaconClient{}
+	DB sql.Database               = &postgres.DB{}
+	BC *beaconclient.BeaconClient = &beaconclient.BeaconClient{}
 )
 
 // This function will perform some boot operations. If any steps fail, the application will fail to start.
@@ -42,14 +41,18 @@ var (
 // 2. Connect to the database.
 //
 // 3. Make sure the node is synced, unless disregardSync is true.
-func BootApplication(ctx context.Context, dbHostname string, dbPort int, dbName string, dbUsername string, dbPassword string, driverName string, bcAddress string, bcPort int, bcConnectionProtocol string, disregardSync bool) (*beaconclient.BeaconClient, sql.Database, error) {
+func BootApplication(ctx context.Context, dbHostname string, dbPort int, dbName string, dbUsername string, dbPassword string, driverName string,
+	bcAddress string, bcPort int, bcConnectionProtocol string, bcKgTableIncrement int, disregardSync bool, uniqueNodeIdentifier int, checkDb bool, performBeaconBlockProcessing bool, performBeaconStateProcessing bool) (*beaconclient.BeaconClient, sql.Database, error) {
 	log.Info("Booting the Application")
 
 	log.Debug("Creating the Beacon Client")
-	BC = beaconclient.CreateBeaconClient(ctx, bcConnectionProtocol, bcAddress, bcPort)
+	Bc, err := beaconclient.CreateBeaconClient(ctx, bcConnectionProtocol, bcAddress, bcPort, bcKgTableIncrement, uniqueNodeIdentifier, checkDb, performBeaconBlockProcessing, performBeaconStateProcessing)
+	if err != nil {
+		return Bc, nil, err
+	}
 
 	log.Debug("Checking Beacon Client")
-	err := BC.CheckBeaconClient()
+	err = Bc.CheckBeaconClient()
 	if err != nil {
 		return nil, nil, err
 	}
@@ -60,40 +63,92 @@ func BootApplication(ctx context.Context, dbHostname string, dbPort int, dbName
 		return nil, nil, err
 	}
 
-	BC.Db = DB
+	Bc.Db = DB
 
 	var status bool
 	if !disregardSync {
-		status, err = BC.CheckHeadSync()
+		status, err = Bc.CheckHeadSync()
 		if err != nil {
 			log.Error("Unable to get the nodes sync status")
-			return BC, DB, err
+			return Bc, DB, err
 		}
 		if status {
 			log.Error("The node is still syncing..")
 			err = fmt.Errorf("The node is still syncing.")
-			return BC, DB, err
+			return Bc, DB, err
 		}
 	} else {
 		log.Warn("We are not checking to see if the node has synced to head.")
 	}
-	return BC, DB, nil
+	return Bc, DB, nil
 }
 
 // Add retry logic to ensure that we are give the Beacon Client and the DB time to start.
-func BootApplicationWithRetry(ctx context.Context, dbHostname string, dbPort int, dbName string, dbUsername string, dbPassword string, driverName string, bcAddress string, bcPort int, bcConnectionProtocol string, disregardSync bool) (*beaconclient.BeaconClient, sql.Database, error) {
+func BootApplicationWithRetry(ctx context.Context, dbHostname string, dbPort int, dbName string, dbUsername string, dbPassword string, driverName string,
+	bcAddress string, bcPort int, bcConnectionProtocol string, bcType string, bcRetryInterval int, bcMaxRetry int, bcKgTableIncrement int,
+	startUpMode string, disregardSync bool, uniqueNodeIdentifier int, checkDb bool, performBeaconBlockProcessing bool, performBeaconStateProcessing bool) (*beaconclient.BeaconClient, sql.Database, error) {
 	var err error
-	for i := 0; i < maxRetry; i++ {
-		BC, DB, err = BootApplication(ctx, dbHostname, dbPort, dbName, dbUsername, dbPassword, driverName, bcAddress, bcPort, bcConnectionProtocol, disregardSync)
-		if err != nil {
-			log.WithFields(log.Fields{
-				"retryNumber": i,
-				"err":         err,
-			}).Warn("Unable to boot application. Going to try again")
-			time.Sleep(time.Duration(retryInterval) * time.Second)
-			continue
+
+	if bcMaxRetry < 0 {
+		i := 0
+		for {
+			BC, DB, err = BootApplication(ctx, dbHostname, dbPort, dbName, dbUsername, dbPassword, driverName,
+				bcAddress, bcPort, bcConnectionProtocol, bcKgTableIncrement, disregardSync, uniqueNodeIdentifier, checkDb,
+				performBeaconBlockProcessing, performBeaconStateProcessing)
+			if err != nil {
+				log.WithFields(log.Fields{
+					"retryNumber": i,
+					"err":         err,
+				}).Warn("Unable to boot application. Going to try again")
+				time.Sleep(time.Duration(bcRetryInterval) * time.Second)
+				i = i + 1
+				continue
+			}
+			break
+		}
+	} else {
+		for i := 0; i < bcMaxRetry; i++ {
+			BC, DB, err = BootApplication(ctx, dbHostname, dbPort, dbName, dbUsername, dbPassword, driverName,
+				bcAddress, bcPort, bcConnectionProtocol, bcKgTableIncrement, disregardSync, uniqueNodeIdentifier, checkDb,
+				performBeaconBlockProcessing, performBeaconStateProcessing)
+			if err != nil {
+				log.WithFields(log.Fields{
+					"retryNumber": i,
+					"err":         err,
+				}).Warn("Unable to boot application. Going to try again")
+				time.Sleep(time.Duration(bcRetryInterval) * time.Second)
+				continue
+			}
+			break
 		}
-		break
 	}
+
+	switch strings.ToLower(startUpMode) {
+	case "head":
+		BC.PerformHeadTracking = true
+	case "historic":
+		log.Debug("Performing additional boot steps for historical processing")
+		BC.PerformHistoricalProcessing = true
+		// This field is not currently used.
+		// The idea is, that if we are doing historially processing and we get a slot
+		// greater than this slot, then we would rerun this function.
+		// this would ensure that we have the slots necessary for processing
+		// within the beacon server.
+
+		// We can implement this feature if we notice any errors.
+		headSlot, err := BC.GetLatestSlotInBeaconServer(bcType)
+		if err != nil {
+			return BC, DB, err
+		}
+		BC.UpdateLatestSlotInBeaconServer(int64(headSlot))
+		// Add another switch case for bcType if its ever needed.
+	case "boot":
+		log.Debug("Running application in boot mode.")
+	default:
+		log.WithFields(log.Fields{
+			"startUpMode": startUpMode,
+		}).Error("The startUpMode provided is not handled.")
+	}
+
 	return BC, DB, err
 }

internal/boot/boot_test.go

@@ -20,51 +20,73 @@ import (
 
 	. "github.com/onsi/ginkgo/v2"
 	. "github.com/onsi/gomega"
-	"github.com/vulcanize/ipld-ethcl-indexer/internal/boot"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/internal/boot"
 )
 
 var _ = Describe("Boot", func() {
 	var (
-		dbAddress            string = "localhost"
-		dbPort               int    = 8076
-		dbName               string = "vulcanize_testing"
-		dbUsername           string = "vdbm"
-		dbPassword           string = "password"
-		dbDriver             string = "PGX"
-		bcAddress            string = "localhost"
-		bcPort               int    = 5052
-		bcConnectionProtocol string = "http"
+		dbAddress             string = "localhost"
+		dbPort                int    = 8076
+		dbName                string = "vulcanize_testing"
+		dbUsername            string = "vdbm"
+		dbPassword            string = "password"
+		dbDriver              string = "PGX"
+		bcAddress             string = "localhost"
+		bcPort                int    = 5052
+		bcConnectionProtocol  string = "http"
+		bcType                string = "lighthouse"
+		bcBootRetryInterval   int    = 1
+		bcBootMaxRetry        int    = 5
+		bcKgTableIncrement    int    = 10
+		bcUniqueIdentifier    int    = 100
+		bcCheckDb             bool   = false
+		bcProcessBeaconBlocks bool   = true
+		bcProcessBeaconState  bool   = true
 	)
 	Describe("Booting the application", Label("integration"), func() {
-		Context("When the DB and BC are both up and running, and we skip checking for a synced head", func() {
+		Context("When the DB and BC are both up and running, we skip checking for a synced head, and we are processing head", func() {
 			It("Should connect successfully", func() {
-				_, db, err := boot.BootApplicationWithRetry(context.Background(), dbAddress, dbPort, dbName, dbUsername, dbPassword, dbDriver, bcAddress, bcPort, bcConnectionProtocol, true)
+				_, db, err := boot.BootApplicationWithRetry(context.Background(), dbAddress, dbPort, dbName, dbUsername, dbPassword, dbDriver, bcAddress, bcPort, bcConnectionProtocol, bcType, bcBootRetryInterval, bcBootMaxRetry, bcKgTableIncrement, "head", true, bcUniqueIdentifier, bcCheckDb, bcProcessBeaconBlocks, bcProcessBeaconState)
+				defer db.Close()
+				Expect(err).ToNot(HaveOccurred())
+			})
+		})
+		Context("When the DB and BC are both up and running, we skip checking for a synced head, and we are processing historic ", func() {
+			It("Should connect successfully", func() {
+				_, db, err := boot.BootApplicationWithRetry(context.Background(), dbAddress, dbPort, dbName, dbUsername, dbPassword, dbDriver, bcAddress, bcPort, bcConnectionProtocol, bcType, bcBootRetryInterval, bcBootMaxRetry, bcKgTableIncrement, "historic", true, bcUniqueIdentifier, bcCheckDb, bcProcessBeaconBlocks, bcProcessBeaconState)
 				defer db.Close()
 				Expect(err).ToNot(HaveOccurred())
 			})
 		})
 		Context("When the DB and BC are both up and running, and we check for a synced head", func() {
 			It("Should not connect successfully", func() {
-				_, db, err := boot.BootApplicationWithRetry(context.Background(), dbAddress, dbPort, dbName, dbUsername, dbPassword, dbDriver, bcAddress, bcPort, bcConnectionProtocol, false)
+				_, db, err := boot.BootApplicationWithRetry(context.Background(), dbAddress, dbPort, dbName, dbUsername, dbPassword, dbDriver, bcAddress, bcPort, bcConnectionProtocol, bcType, bcBootRetryInterval, bcBootMaxRetry, bcKgTableIncrement, "head", false, bcUniqueIdentifier, bcCheckDb, bcProcessBeaconBlocks, bcProcessBeaconState)
+				defer db.Close()
+				Expect(err).To(HaveOccurred())
+			})
+		})
+		Context("When the DB and BC are both up and running, we skip checking for a synced head, but the unique identifier is 0", func() {
+			It("Should not connect successfully", func() {
+				_, db, err := boot.BootApplicationWithRetry(context.Background(), dbAddress, dbPort, dbName, dbUsername, dbPassword, dbDriver, bcAddress, bcPort, bcConnectionProtocol, bcType, bcBootRetryInterval, bcBootMaxRetry, bcKgTableIncrement, "head", false, 0, bcCheckDb, bcProcessBeaconBlocks, bcProcessBeaconState)
 				defer db.Close()
 				Expect(err).To(HaveOccurred())
 			})
 		})
 		Context("When the DB is running but not the BC", func() {
 			It("Should not connect successfully", func() {
-				_, _, err := boot.BootApplication(context.Background(), dbAddress, dbPort, dbName, dbUsername, dbPassword, dbDriver, "hi", 100, bcConnectionProtocol, true)
+				_, _, err := boot.BootApplication(context.Background(), dbAddress, dbPort, dbName, dbUsername, dbPassword, dbDriver, "hi", 100, bcConnectionProtocol, bcKgTableIncrement, true, bcUniqueIdentifier, bcCheckDb, bcProcessBeaconBlocks, bcProcessBeaconState)
 				Expect(err).To(HaveOccurred())
 			})
 		})
 		Context("When the BC is running but not the DB", func() {
 			It("Should not connect successfully", func() {
-				_, _, err := boot.BootApplication(context.Background(), "hi", 10, dbName, dbUsername, dbPassword, dbDriver, bcAddress, bcPort, bcConnectionProtocol, true)
+				_, _, err := boot.BootApplication(context.Background(), "hi", 10, dbName, dbUsername, dbPassword, dbDriver, bcAddress, bcPort, bcConnectionProtocol, bcKgTableIncrement, true, bcUniqueIdentifier, bcCheckDb, bcProcessBeaconBlocks, bcProcessBeaconState)
 				Expect(err).To(HaveOccurred())
 			})
 		})
 		Context("When neither the BC or DB are running", func() {
 			It("Should not connect successfully", func() {
-				_, _, err := boot.BootApplication(context.Background(), "hi", 10, dbName, dbUsername, dbPassword, dbDriver, "hi", 100, bcConnectionProtocol, true)
+				_, _, err := boot.BootApplication(context.Background(), "hi", 10, dbName, dbUsername, dbPassword, dbDriver, "hi", 100, bcConnectionProtocol, bcKgTableIncrement, true, bcUniqueIdentifier, bcCheckDb, bcProcessBeaconBlocks, bcProcessBeaconState)
 				Expect(err).To(HaveOccurred())
 			})
 		})

internal/shutdown/shutdown.go

@@ -20,25 +20,16 @@ import (
 	"os"
 	"time"
 
-	"github.com/vulcanize/ipld-ethcl-indexer/pkg/beaconclient"
-	"github.com/vulcanize/ipld-ethcl-indexer/pkg/database/sql"
-	"github.com/vulcanize/ipld-ethcl-indexer/pkg/gracefulshutdown"
-	"github.com/vulcanize/ipld-ethcl-indexer/pkg/loghelper"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/beaconclient"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/database/sql"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/gracefulshutdown"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/loghelper"
 )
 
 // Shutdown all the internal services for the application.
-func ShutdownServices(ctx context.Context, notifierCh chan os.Signal, waitTime time.Duration, DB sql.Database, BC *beaconclient.BeaconClient) error {
-	successCh, errCh := gracefulshutdown.Shutdown(ctx, notifierCh, waitTime, map[string]gracefulshutdown.Operation{
-		// Combining DB shutdown with BC because BC needs DB open to cleanly shutdown.
-		"beaconClient": func(ctx context.Context) error {
-			defer DB.Close()
-			err := BC.StopHeadTracking()
-			if err != nil {
-				loghelper.LogError(err).Error("Unable to trigger shutdown of head tracking")
-			}
-			return err
-		},
-	})
+func ShutdownServices(ctx context.Context, notifierCh chan os.Signal, waitTime time.Duration, DB sql.Database, BC *beaconclient.BeaconClient, shutdownOperations map[string]gracefulshutdown.Operation) error {
+	//successCh, errCh := gracefulshutdown.Shutdown(ctx, notifierCh, waitTime, )
+	successCh, errCh := gracefulshutdown.Shutdown(ctx, notifierCh, waitTime, shutdownOperations)
 
 	select {
 	case <-successCh:
@@ -47,3 +38,82 @@ func ShutdownServices(ctx context.Context, notifierCh chan os.Signal, waitTime t
 		return err
 	}
 }
+
+// Wrapper function for shutting down the head tracking process.
+func ShutdownHeadTracking(ctx context.Context, kgCancel context.CancelFunc, notifierCh chan os.Signal, waitTime time.Duration, DB sql.Database, BC *beaconclient.BeaconClient) error {
+	return ShutdownServices(ctx, notifierCh, waitTime, DB, BC, map[string]gracefulshutdown.Operation{
+		// Combining DB shutdown with BC because BC needs DB open to cleanly shutdown.
+		"beaconClient": func(ctx context.Context) error {
+			defer DB.Close()
+			err := BC.StopHeadTracking()
+			if err != nil {
+				loghelper.LogError(err).Error("Unable to trigger shutdown of head tracking")
+			}
+			if BC.KnownGapsProcess != (beaconclient.KnownGapsProcessing{}) {
+				err = BC.StopKnownGapsProcessing(kgCancel)
+				if err != nil {
+					loghelper.LogError(err).Error("Unable to stop processing known gaps")
+				}
+			}
+			return err
+		},
+	})
+}
+
+// Wrapper function for shutting down the head tracking process.
+func ShutdownHistoricProcessing(ctx context.Context, kgCancel, hpCancel context.CancelFunc, notifierCh chan os.Signal, waitTime time.Duration, DB sql.Database, BC *beaconclient.BeaconClient) error {
+	return ShutdownServices(ctx, notifierCh, waitTime, DB, BC, map[string]gracefulshutdown.Operation{
+		// Combining DB shutdown with BC because BC needs DB open to cleanly shutdown.
+		"beaconClient": func(ctx context.Context) error {
+			defer DB.Close()
+			err := BC.StopHistoric(hpCancel)
+			if err != nil {
+				loghelper.LogError(err).Error("Unable to stop processing historic")
+			}
+			if BC.KnownGapsProcess != (beaconclient.KnownGapsProcessing{}) {
+				err = BC.StopKnownGapsProcessing(kgCancel)
+				if err != nil {
+					loghelper.LogError(err).Error("Unable to stop processing known gaps")
+				}
+			}
+			return err
+		},
+	})
+}
+
+// Shutdown the head and historical processing
+func ShutdownFull(ctx context.Context, kgCancel, hpCancel context.CancelFunc, notifierCh chan os.Signal, waitTime time.Duration, DB sql.Database, BC *beaconclient.BeaconClient) error {
+	return ShutdownServices(ctx, notifierCh, waitTime, DB, BC, map[string]gracefulshutdown.Operation{
+		// Combining DB shutdown with BC because BC needs DB open to cleanly shutdown.
+		"beaconClient": func(ctx context.Context) error {
+			defer DB.Close()
+			err := BC.StopHistoric(hpCancel)
+			if err != nil {
+				loghelper.LogError(err).Error("Unable to stop processing historic")
+			}
+			if BC.KnownGapsProcess != (beaconclient.KnownGapsProcessing{}) {
+				err = BC.StopKnownGapsProcessing(kgCancel)
+				if err != nil {
+					loghelper.LogError(err).Error("Unable to stop processing known gaps")
+				}
+			}
+			err = BC.StopHeadTracking()
+			if err != nil {
+				loghelper.LogError(err).Error("Unable to trigger shutdown of head tracking")
+			}
+
+			return err
+		},
+	})
+
+}
+
+// Wrapper function for shutting down the application in boot mode.
+func ShutdownBoot(ctx context.Context, notifierCh chan os.Signal, waitTime time.Duration, DB sql.Database, BC *beaconclient.BeaconClient) error {
+	return ShutdownServices(ctx, notifierCh, waitTime, DB, BC, map[string]gracefulshutdown.Operation{
+		// Combining DB shutdown with BC because BC needs DB open to cleanly shutdown.
+		"Database": func(ctx context.Context) error {
+			return DB.Close()
+		},
+	})
+}

internal/shutdown/shutdown_test.go

@@ -26,46 +26,57 @@ import (
 
 	. "github.com/onsi/ginkgo/v2"
 	. "github.com/onsi/gomega"
-	"github.com/r3labs/sse"
+	"github.com/r3labs/sse/v2"
 	log "github.com/sirupsen/logrus"
-	"github.com/vulcanize/ipld-ethcl-indexer/internal/boot"
-	"github.com/vulcanize/ipld-ethcl-indexer/internal/shutdown"
-	"github.com/vulcanize/ipld-ethcl-indexer/pkg/beaconclient"
-	"github.com/vulcanize/ipld-ethcl-indexer/pkg/database/sql"
-	"github.com/vulcanize/ipld-ethcl-indexer/pkg/gracefulshutdown"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/internal/boot"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/internal/shutdown"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/beaconclient"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/database/sql"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/gracefulshutdown"
+)
+
+var (
+	dbAddress              string        = "localhost"
+	dbPort                 int           = 8076
+	dbName                 string        = "vulcanize_testing"
+	dbUsername             string        = "vdbm"
+	dbPassword             string        = "password"
+	dbDriver               string        = "PGX"
+	bcAddress              string        = "localhost"
+	bcPort                 int           = 5052
+	bcConnectionProtocol   string        = "http"
+	bcType                 string        = "lighthouse"
+	bcBootRetryInterval    int           = 1
+	bcBootMaxRetry         int           = 5
+	bcKgTableIncrement     int           = 10
+	bcUniqueIdentifier     int           = 100
+	bcCheckDb              bool          = false
+	bcProcessBeaconBlocks  bool          = true
+	bcProcessBeaconState   bool          = true
+	maxWaitSecondsShutdown time.Duration = time.Duration(1) * time.Second
+	DB                     sql.Database
+	BC                     *beaconclient.BeaconClient
+	err                    error
+	ctx                    context.Context
+	notifierCh             chan os.Signal
 )
 
 var _ = Describe("Shutdown", func() {
-	var (
-		dbAddress              string        = "localhost"
-		dbPort                 int           = 8076
-		dbName                 string        = "vulcanize_testing"
-		dbUsername             string        = "vdbm"
-		dbPassword             string        = "password"
-		dbDriver               string        = "PGX"
-		bcAddress              string        = "localhost"
-		bcPort                 int           = 5052
-		bcConnectionProtocol   string        = "http"
-		maxWaitSecondsShutdown time.Duration = time.Duration(1) * time.Second
-		DB                     sql.Database
-		BC                     *beaconclient.BeaconClient
-		err                    error
-		ctx                    context.Context
-		notifierCh             chan os.Signal
-	)
 	BeforeEach(func() {
 		ctx = context.Background()
-		BC, DB, err = boot.BootApplicationWithRetry(ctx, dbAddress, dbPort, dbName, dbUsername, dbPassword, dbDriver, bcAddress, bcPort, bcConnectionProtocol, true)
+		BC, DB, err = boot.BootApplicationWithRetry(ctx, dbAddress, dbPort, dbName, dbUsername, dbPassword, dbDriver, bcAddress,
+			bcPort, bcConnectionProtocol, bcType, bcBootRetryInterval, bcBootMaxRetry, bcKgTableIncrement, "head", true, bcUniqueIdentifier, bcCheckDb, bcProcessBeaconBlocks, bcProcessBeaconState)
 		notifierCh = make(chan os.Signal, 1)
 		Expect(err).To(BeNil())
 	})
 
-	Describe("Run Shutdown Function,", Label("integration"), func() {
+	Describe("Run Shutdown Function for head tracking,", Label("integration"), func() {
 		Context("When Channels are empty,", func() {
 			It("Should Shutdown Successfully.", func() {
 				go func() {
+					_, cancel := context.WithCancel(context.Background())
 					log.Debug("Starting shutdown chan")
-					err = shutdown.ShutdownServices(ctx, notifierCh, maxWaitSecondsShutdown, DB, BC)
+					err = shutdown.ShutdownHeadTracking(ctx, cancel, notifierCh, maxWaitSecondsShutdown, DB, BC)
 					log.Debug("We have completed the shutdown...")
 					Expect(err).ToNot(HaveOccurred())
 				}()
@@ -76,8 +87,9 @@ var _ = Describe("Shutdown", func() {
 				shutdownCh := make(chan bool)
 				//log.SetLevel(log.DebugLevel)
 				go func() {
+					_, cancel := context.WithCancel(context.Background())
 					log.Debug("Starting shutdown chan")
-					err = shutdown.ShutdownServices(ctx, notifierCh, maxWaitSecondsShutdown, DB, BC)
+					err = shutdown.ShutdownHeadTracking(ctx, cancel, notifierCh, maxWaitSecondsShutdown, DB, BC)
 					log.Debug("We have completed the shutdown...")
 					Expect(err).ToNot(HaveOccurred())
 					shutdownCh <- true
@@ -110,7 +122,8 @@ var _ = Describe("Shutdown", func() {
 				//log.SetLevel(log.DebugLevel)
 				go func() {
 					log.Debug("Starting shutdown chan")
-					err = shutdown.ShutdownServices(ctx, notifierCh, maxWaitSecondsShutdown, DB, BC)
+					_, cancel := context.WithCancel(context.Background())
+					err = shutdown.ShutdownHeadTracking(ctx, cancel, notifierCh, maxWaitSecondsShutdown, DB, BC)
 					log.Debug("We have completed the shutdown...")
 					Expect(err).To(MatchError(gracefulshutdown.TimeoutErr(maxWaitSecondsShutdown.String())))
 					shutdownCh <- true

ipld-eth-beacon-config-docker.json

@@ -0,0 +1,44 @@
+{
+  "db": {
+    "address": "${POSTGRES_HOST}",
+    "password": "${POSTGRES_PASSWORD}",
+    "port": ${POSTGRES_PORT},
+    "username": "${POSTGRES_USER}",
+    "name": "${POSTGRES_DB}",
+    "driver": "PGX"
+  },
+  "bc": {
+    "address": "${LIGHTHOUSE_HOST}",
+    "port": ${LIGHTHOUSE_PORT},
+    "type": "lighthouse",
+    "bootRetryInterval": 30,
+    "bootMaxRetry": 5,
+    "maxHistoricProcessWorker": ${BC_MAX_HISTORIC_PROCESS_WORKER},
+    "connectionProtocol": "${LIGHTHOUSE_PROTOCOL}",
+    "uniqueNodeIdentifier": ${BC_UNIQUE_NODE_IDENTIFIER},
+    "checkDb": ${BC_CHECK_DB},
+    "performBeaconStateProcessing": ${BC_BEACON_STATE_PROCESSING_ENABLED},
+    "performBeaconBlockProcessing": ${BC_BEACON_BLOCK_PROCESSING_ENABLED},
+    "minimumSlot": ${BC_MINIMUM_SLOT}
+  },
+  "t": {
+    "skipSync": true
+  },
+  "log": {
+    "level": "${LOG_LEVEL}",
+    "output": true,
+    "file": "./ipld-eth-beacon-indexer.log",
+    "format": "json"
+  },
+  "kg": {
+    "increment": ${KG_INCREMENT},
+    "processKnownGaps": ${KG_PROCESS_KNOWN_GAPS_ENABLED},
+    "maxKnownGapsWorker": ${KG_MAX_KNOWN_GAPS_WORKER},
+    "minimumSlot": ${KG_MINIMUM_SLOT}
+  },
+  "pm": {
+    "address": "${PROM_HOST}",
+    "port": ${PROM_PORT},
+    "metrics": ${PROM_METRICS_ENABLED}
+  }
+}

main.go

@@ -19,7 +19,7 @@ Copyright © 2022 NAME HERE <EMAIL ADDRESS>
 */
 package main
 
-import "github.com/vulcanize/ipld-ethcl-indexer/cmd"
+import "github.com/vulcanize/ipld-eth-beacon-indexer/cmd"
 
 func main() {
 	cmd.Execute()

pkg/beaconclient/beaconclient.go

@@ -18,10 +18,11 @@ package beaconclient
 import (
 	"context"
 	"fmt"
-
-	"github.com/r3labs/sse"
+	"github.com/r3labs/sse/v2"
 	log "github.com/sirupsen/logrus"
-	"github.com/vulcanize/ipld-ethcl-indexer/pkg/database/sql"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/database/sql"
+	"math/rand"
+	"time"
 )
 
 // TODO: Use prysms config values instead of hardcoding them here.
@@ -31,42 +32,46 @@ var (
 	bcReorgTopicEndpoint = "/eth/v1/events?topics=chain_reorg" // Endpoint used to subscribe to the head of the chain
 	BcBlockQueryEndpoint = "/eth/v2/beacon/blocks/"            // Endpoint to query individual Blocks
 	BcStateQueryEndpoint = "/eth/v2/debug/beacon/states/"      // Endpoint to query individual States
-	BcSyncStatusEndpoint = "/eth/v1/node/syncing"
+	BcSyncStatusEndpoint = "/eth/v1/node/syncing"              // The endpoint to check to see if the beacon server is still trying to sync to head.
+	LhDbInfoEndpoint     = "/lighthouse/database/info"         // The endpoint for the LIGHTHOUSE server to get the database information.
 	BcBlockRootEndpoint  = func(slot string) string {
 		return "/eth/v1/beacon/blocks/" + slot + "/root"
 	}
-	bcSlotsPerEpoch = 32 // Number of slots in a single Epoch
+	bcSlotsPerEpoch uint64 = 32 // Number of slots in a single Epoch
 	//bcSlotPerHistoricalVector = 8192                                // The number of slots in a historic vector.
 	//bcFinalizedTopicEndpoint  = "/eth/v1/events?topics=finalized_checkpoint" // Endpoint used to subscribe to the head of the chain
 )
 
-// A structure utilized for keeping track of various metrics. Currently, mostly used in testing.
-type BeaconClientMetrics struct {
-	HeadTrackingInserts   uint64 // Number of head events we successfully wrote to the DB.
-	HeadTrackingReorgs    uint64 // Number of reorg events we successfully wrote to the DB.
-	HeadTrackingKnownGaps uint64 // Number of known_gaps we successfully wrote to the DB.
-	HeadError             uint64 // Number of errors that occurred when decoding the head message.
-	HeadReorgError        uint64 // Number of errors that occurred when decoding the reorg message.
-}
-
 // A struct that capture the Beacon Server that the Beacon Client will be interacting with and querying.
 type BeaconClient struct {
-	Context                     context.Context      // A context generic context with multiple uses.
-	ServerEndpoint              string               // What is the endpoint of the beacon server.
-	PerformHistoricalProcessing bool                 // Should we perform historical processing?
-	Db                          sql.Database         // Database object used for reads and writes.
-	Metrics                     *BeaconClientMetrics // An object used to keep track of certain BeaconClient Metrics.
-	KnownGapTableIncrement      int                  // The max number of slots within a single known_gaps table entry.
+	Context                      context.Context      // A context generic context with multiple uses.
+	ServerEndpoint               string               // What is the endpoint of the beacon server.
+	Db                           sql.Database         // Database object used for reads and writes.
+	Metrics                      *BeaconClientMetrics // An object used to keep track of certain BeaconClient Metrics.
+	KnownGapTableIncrement       int                  // The max number of slots within a single known_gaps table entry.
+	UniqueNodeIdentifier         int                  // The unique identifier within the cluster of this individual node.
+	KnownGapsProcess             KnownGapsProcessing  // object keeping track of knowngaps processing
+	CheckDb                      bool                 // Should we check the DB to see if the slot exists before processing it?
+	PerformBeaconStateProcessing bool                 // Should we process BeaconStates?
+	PerformBeaconBlockProcessing bool                 // Should we process BeaconBlocks?
 
 	// Used for Head Tracking
+
 	PerformHeadTracking bool                   // Should we track head?
-	StartingSlot        int                    // If we're performing head tracking. What is the first slot we processed.
-	PreviousSlot        int                    // Whats the previous slot we processed
+	StartingSlot        Slot                   // If we're performing head tracking. What is the first slot we processed.
+	PreviousSlot        Slot                   // Whats the previous slot we processed
 	PreviousBlockRoot   string                 // Whats the previous block root, used to check the next blocks parent.
-	CheckKnownGaps      bool                   // Should we check for gaps at start up.
 	HeadTracking        *SseEvents[Head]       // Track the head block
 	ReOrgTracking       *SseEvents[ChainReorg] // Track all Reorgs
 	//FinalizationTracking        *SseEvents[FinalizedCheckpoint] // Track all finalization checkpoints
+
+	// Used for Historical Processing
+
+	// The latest available slot within the Beacon Server. We can't query any slot greater than this.
+	// This value is lazily updated. Therefore at times it will be outdated.
+	LatestSlotInBeaconServer    int64
+	PerformHistoricalProcessing bool               // Should we perform historical processing?
+	HistoricalProcess           HistoricProcessing // object keeping track of historical processing
 }
 
 // A struct to keep track of relevant the head event topic.
@@ -75,7 +80,7 @@ type SseEvents[P ProcessedEvents] struct {
 	MessagesCh chan *sse.Event // Contains all the messages from the SSE Channel
 	ErrorCh    chan *SseError  // Contains any errors while SSE streaming occurred
 	ProcessCh  chan *P         // Used to capture processed data in its proper struct.
-	SseClient  *sse.Client     // sse.Client object that is used to interact with the SSE stream
+	sseClient  *sse.Client     // sse.Client object that is used to interact with the SSE stream
 }
 
 // An object to capture any errors when turning an SSE message to JSON.
@@ -85,20 +90,33 @@ type SseError struct {
 }
 
 // A Function to create the BeaconClient.
-func CreateBeaconClient(ctx context.Context, connectionProtocol string, bcAddress string, bcPort int) *BeaconClient {
+func CreateBeaconClient(ctx context.Context, connectionProtocol string, bcAddress string, bcPort int,
+	bcKgTableIncrement int, uniqueNodeIdentifier int, checkDb bool, performBeaconBlockProcessing bool, performBeaconStateProcessing bool) (*BeaconClient, error) {
+	if uniqueNodeIdentifier == 0 {
+		uniqueNodeIdentifier := rand.Int()
+		log.WithField("randomUniqueNodeIdentifier", uniqueNodeIdentifier).Warn("No uniqueNodeIdentifier provided, we are going to use a randomly generated one.")
+	}
+
+	metrics, err := CreateBeaconClientMetrics()
+	if err != nil {
+		return nil, err
+	}
+
 	endpoint := fmt.Sprintf("%s://%s:%d", connectionProtocol, bcAddress, bcPort)
 	log.Info("Creating the BeaconClient")
 	return &BeaconClient{
-		Context:        ctx,
-		ServerEndpoint: endpoint,
-		HeadTracking:   createSseEvent[Head](endpoint, BcHeadTopicEndpoint),
-		ReOrgTracking:  createSseEvent[ChainReorg](endpoint, bcReorgTopicEndpoint),
-		Metrics: &BeaconClientMetrics{
-			HeadTrackingInserts: 0,
-			HeadTrackingReorgs:  0,
-		},
+		Context:                      ctx,
+		ServerEndpoint:               endpoint,
+		KnownGapTableIncrement:       bcKgTableIncrement,
+		HeadTracking:                 createSseEvent[Head](endpoint, BcHeadTopicEndpoint),
+		ReOrgTracking:                createSseEvent[ChainReorg](endpoint, bcReorgTopicEndpoint),
+		Metrics:                      metrics,
+		UniqueNodeIdentifier:         uniqueNodeIdentifier,
+		CheckDb:                      checkDb,
+		PerformBeaconBlockProcessing: performBeaconBlockProcessing,
+		PerformBeaconStateProcessing: performBeaconStateProcessing,
 		//FinalizationTracking: createSseEvent[FinalizedCheckpoint](endpoint, bcFinalizedTopicEndpoint),
-	}
+	}, nil
 }
 
 // Create all the channels to handle a SSE events
@@ -109,10 +127,40 @@ func createSseEvent[P ProcessedEvents](baseEndpoint string, path string) *SseEve
 		MessagesCh: make(chan *sse.Event, 1),
 		ErrorCh:    make(chan *SseError),
 		ProcessCh:  make(chan *P),
-		SseClient: func(endpoint string) *sse.Client {
-			log.WithFields(log.Fields{"endpoint": endpoint}).Info("Creating SSE client")
-			return sse.NewClient(endpoint)
-		}(endpoint),
 	}
 	return sseEvents
 }
+
+func (se *SseEvents[P]) Connect() error {
+	if nil == se.sseClient {
+		se.initClient()
+	}
+	return se.sseClient.SubscribeChanRaw(se.MessagesCh)
+}
+
+func (se *SseEvents[P]) Disconnect() {
+	if nil == se.sseClient {
+		return
+	}
+
+	log.WithFields(log.Fields{"endpoint": se.Endpoint}).Info("Disconnecting and destroying SSE client")
+	se.sseClient.Unsubscribe(se.MessagesCh)
+	se.sseClient.Connection.CloseIdleConnections()
+	se.sseClient = nil
+}
+
+func (se *SseEvents[P]) initClient() {
+	if nil != se.sseClient {
+		se.Disconnect()
+	}
+
+	log.WithFields(log.Fields{"endpoint": se.Endpoint}).Info("Creating SSE client")
+	client := sse.NewClient(se.Endpoint)
+	client.ReconnectNotify = func(err error, duration time.Duration) {
+		log.WithFields(log.Fields{"endpoint": se.Endpoint}).Debug("Reconnecting SSE client")
+	}
+	client.OnDisconnect(func(c *sse.Client) {
+		log.WithFields(log.Fields{"endpoint": se.Endpoint}).Debug("SSE client disconnected")
+	})
+	se.sseClient = client
+}

pkg/beaconclient/capturehead.go

@@ -21,16 +21,13 @@ import (
 	"time"
 
 	log "github.com/sirupsen/logrus"
-	"github.com/vulcanize/ipld-ethcl-indexer/pkg/loghelper"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/loghelper"
 )
 
 // This function will perform all the heavy lifting for tracking the head of the chain.
-func (bc *BeaconClient) CaptureHead(knownGapsTableIncrement int) {
-	bc.KnownGapTableIncrement = knownGapsTableIncrement
+func (bc *BeaconClient) CaptureHead() {
 	log.Info("We are tracking the head of the chain.")
-	//bc.tempHelper()
 	go bc.handleHead()
-	//go bc.handleFinalizedCheckpoint()
 	go bc.handleReorg()
 	bc.captureEventTopic()
 }
@@ -53,7 +50,7 @@ func (bc *BeaconClient) StopHeadTracking() error {
 // This function closes the SSE subscription, but waits until the MessagesCh is empty
 func (se *SseEvents[ProcessedEvents]) finishProcessingChannel(finish chan<- bool) {
 	loghelper.LogEndpoint(se.Endpoint).Info("Received a close event.")
-	se.SseClient.Unsubscribe(se.MessagesCh)
+	se.Disconnect()
 	for len(se.MessagesCh) != 0 || len(se.ProcessCh) != 0 {
 		time.Sleep(time.Duration(shutdownWaitInterval) * time.Millisecond)
 	}

pkg/beaconclient/capturehistoric.go

@@ -0,0 +1,179 @@
+// VulcanizeDB
+// Copyright © 2022 Vulcanize
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+// This file will call all the functions to start and stop capturing the head of the beacon chain.
+
+package beaconclient
+
+import (
+	"context"
+	"fmt"
+
+	log "github.com/sirupsen/logrus"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/loghelper"
+	"golang.org/x/sync/errgroup"
+)
+
+// This function will perform all the heavy lifting for tracking the head of the chain.
+func (bc *BeaconClient) CaptureHistoric(ctx context.Context, maxWorkers int, minimumSlot Slot) []error {
+	log.Info("We are starting the historical processing service.")
+	bc.HistoricalProcess = HistoricProcessing{db: bc.Db, metrics: bc.Metrics, uniqueNodeIdentifier: bc.UniqueNodeIdentifier}
+	errs := handleBatchProcess(ctx, maxWorkers, bc.HistoricalProcess, bc.SlotProcessingDetails(), bc.Metrics.IncrementHistoricSlotProcessed, minimumSlot)
+	log.Debug("Exiting Historical")
+	return errs
+}
+
+// This function will perform all the necessary clean up tasks for stopping historical processing.
+func (bc *BeaconClient) StopHistoric(cancel context.CancelFunc) error {
+	log.Info("We are stopping the historical processing service.")
+	cancel()
+	err := bc.HistoricalProcess.releaseDbLocks()
+	if err != nil {
+		loghelper.LogError(err).WithField("uniqueIdentifier", bc.UniqueNodeIdentifier).Error("We were unable to remove the locks from the eth_beacon.historic_processing table. Manual Intervention is needed!")
+	}
+	return nil
+}
+
+// An interface to enforce any batch processing. Currently there are two use cases for this.
+//
+// 1. Historic Processing
+//
+// 2. Known Gaps Processing
+type BatchProcessing interface {
+	getSlotRange(context.Context, chan<- slotsToProcess, Slot) []error // Write the slots to process in a channel, return an error if you cant get the next slots to write.
+	handleProcessingErrors(context.Context, <-chan batchHistoricError) // Custom logic to handle errors.
+	removeTableEntry(context.Context, <-chan slotsToProcess) error     // With the provided start and end slot, remove the entry from the database.
+	releaseDbLocks() error                                             // Update the checked_out column to false for whatever table is being updated.
+}
+
+/// ^^^
+// Might be better to remove the interface and create a single struct that historicalProcessing
+// and knownGapsProcessing can use. The struct would contain all the SQL strings that they need.
+// And the only difference in logic for processing would be within the error handling.
+// Which can be a function we pass into handleBatchProcess()
+
+// A struct to pass around indicating a table entry for slots to process.
+type slotsToProcess struct {
+	startSlot Slot // The start slot
+	endSlot   Slot // The end slot
+}
+
+type batchHistoricError struct {
+	err        error  // The error that occurred when attempting to a slot
+	errProcess string // The process that caused the error.
+	slot       Slot   // The slot which the error is for.
+}
+
+// Wrapper function for the BatchProcessing interface.
+// This function will take the structure that needs batch processing.
+// It follows a generic format.
+// Get new entries from any given table.
+// 1. Add it to the slotsCh.
+//
+// 2. Run the maximum specified workers to handle individual slots. We need a maximum because we don't want
+// To store too many SSZ objects in memory.
+//
+// 3. Process the slots and send the err to the ErrCh. Each structure can define how it wants its own errors handled.
+//
+// 4. Remove the slot entry from the DB.
+//
+// 5. Handle any errors.
+func handleBatchProcess(ctx context.Context, maxWorkers int, bp BatchProcessing, spd SlotProcessingDetails, incrementTracker func(uint64), minimumSlot Slot) []error {
+	slotsCh := make(chan slotsToProcess)
+	workCh := make(chan Slot)
+	processedCh := make(chan slotsToProcess)
+	errCh := make(chan batchHistoricError)
+	finalErrCh := make(chan []error, 1)
+
+	// Checkout Rows with same node Identifier.
+	err := bp.releaseDbLocks()
+	if err != nil {
+		loghelper.LogError(err).Error(("We are unable to un-checkout entries at the start!"))
+	}
+
+	// Start workers
+	for w := 1; w <= maxWorkers; w++ {
+		log.WithFields(log.Fields{"maxWorkers": maxWorkers}).Debug("Starting batch processing workers")
+
+		go processSlotRangeWorker(ctx, workCh, errCh, spd, incrementTracker)
+	}
+
+	// Process all ranges and send each individual slot to the worker.
+	go func() {
+		for {
+			select {
+			case <-ctx.Done():
+				return
+			case slots := <-slotsCh:
+				if slots.startSlot > slots.endSlot {
+					log.Error("We received a batch process request where the startSlot is greater than the end slot.")
+					errCh <- batchHistoricError{
+						err:        fmt.Errorf("We received a startSlot where the start was greater than the end."),
+						errProcess: "RangeOrder",
+						slot:       slots.startSlot,
+					}
+					errCh <- batchHistoricError{
+						err:        fmt.Errorf("We received a endSlot where the start was greater than the end."),
+						errProcess: "RangeOrder",
+						slot:       slots.endSlot,
+					}
+				} else if slots.startSlot == slots.endSlot {
+					log.WithField("slot", slots.startSlot).Debug("Added new slot to workCh")
+					workCh <- slots.startSlot
+					processedCh <- slots
+				} else {
+					for i := slots.startSlot; i <= slots.endSlot; i++ {
+						workCh <- i
+						log.WithField("slot", i).Debug("Added new slot to workCh")
+					}
+					processedCh <- slots
+				}
+			}
+
+		}
+	}()
+
+	// Remove entries, end the application if a row cannot be removed..
+	go func() {
+		errG := new(errgroup.Group)
+		errG.Go(func() error {
+			return bp.removeTableEntry(ctx, processedCh)
+		})
+		if err := errG.Wait(); err != nil {
+			finalErrCh <- []error{err}
+		}
+	}()
+	// Process errors from slot processing.
+	go bp.handleProcessingErrors(ctx, errCh)
+
+	// Get slots from the DB.
+	go func() {
+		errs := bp.getSlotRange(ctx, slotsCh, minimumSlot) // Periodically adds new entries....
+		if errs != nil {
+			finalErrCh <- errs
+		}
+		finalErrCh <- nil
+		log.Debug("We are stopping the processing of adding new entries")
+	}()
+	log.Debug("Waiting for shutdown signal from channel")
+	select {
+	case <-ctx.Done():
+		log.Debug("Received shutdown signal from channel")
+		return nil
+	case errs := <-finalErrCh:
+		log.Debug("Finishing the batchProcess")
+		return errs
+	}
+}

pkg/beaconclient/capturehistoric_test.go

@@ -0,0 +1,306 @@
+package beaconclient_test
+
+import (
+	"context"
+	"fmt"
+	"sync/atomic"
+	"time"
+
+	"github.com/jarcoal/httpmock"
+	. "github.com/onsi/ginkgo/v2"
+	. "github.com/onsi/gomega"
+	log "github.com/sirupsen/logrus"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/beaconclient"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/database/sql"
+)
+
+var (
+	kgCheckCheckedOutStmt = `SELECT * FROM eth_beacon.known_gaps WHERE checked_out=true `
+	hpCheckCheckedOutStmt = `SELECT * FROM eth_beacon.historic_process WHERE checked_out=true `
+)
+
+var _ = Describe("Capturehistoric", func() {
+
+	Describe("Run the application in historic mode", Label("unit", "behavioral", "historical"), func() {
+		Context("Phase0 + Altairs: When we need to process a multiple blocks in a multiple entries in the eth_beacon.historic_process table.", Label("deb"), func() {
+			It("Successfully Process the Blocks", func() {
+				bc := setUpTest(BeaconNodeTester.TestConfig, "99")
+				BeaconNodeTester.SetupBeaconNodeMock(BeaconNodeTester.TestEvents, BeaconNodeTester.TestConfig.protocol, BeaconNodeTester.TestConfig.address, BeaconNodeTester.TestConfig.port, BeaconNodeTester.TestConfig.dummyParentRoot)
+				defer httpmock.DeactivateAndReset()
+				BeaconNodeTester.writeEventToHistoricProcess(bc, 100, 101, 10)
+				BeaconNodeTester.runHistoricalProcess(bc, 2, 2, 0, 0, 0)
+				// Run Two seperate processes
+				BeaconNodeTester.writeEventToHistoricProcess(bc, 2375703, 2375703, 10)
+				BeaconNodeTester.runHistoricalProcess(bc, 2, 3, 0, 0, 0)
+
+				time.Sleep(2 * time.Second)
+				validatePopularBatchBlocks(bc)
+			})
+		})
+		Context("When the start block is greater than the endBlock", func() {
+			It("Should Add two entries to the knownGaps table", func() {
+				bc := setUpTest(BeaconNodeTester.TestConfig, "99")
+				BeaconNodeTester.SetupBeaconNodeMock(BeaconNodeTester.TestEvents, BeaconNodeTester.TestConfig.protocol, BeaconNodeTester.TestConfig.address, BeaconNodeTester.TestConfig.port, BeaconNodeTester.TestConfig.dummyParentRoot)
+				defer httpmock.DeactivateAndReset()
+				BeaconNodeTester.writeEventToHistoricProcess(bc, 101, 100, 10)
+				BeaconNodeTester.runHistoricalProcess(bc, 2, 0, 0, 2, 0)
+			})
+		})
+		Context("Processing the Genesis block", Label("genesis"), func() {
+			It("Should Process properly", func() {
+				bc := setUpTest(BeaconNodeTester.TestConfig, "100")
+				BeaconNodeTester.SetupBeaconNodeMock(BeaconNodeTester.TestEvents, BeaconNodeTester.TestConfig.protocol, BeaconNodeTester.TestConfig.address, BeaconNodeTester.TestConfig.port, BeaconNodeTester.TestConfig.dummyParentRoot)
+				defer httpmock.DeactivateAndReset()
+				BeaconNodeTester.writeEventToHistoricProcess(bc, 0, 0, 10)
+				BeaconNodeTester.runHistoricalProcess(bc, 2, 1, 0, 0, 0)
+				validateSlot(bc, BeaconNodeTester.TestEvents["0"].HeadMessage, 0, "proposed")
+				if bc.PerformBeaconBlockProcessing {
+					validateSignedBeaconBlock(bc, BeaconNodeTester.TestEvents["0"].HeadMessage, BeaconNodeTester.TestEvents["0"].CorrectParentRoot, BeaconNodeTester.TestEvents["0"].CorrectEth1DataBlockHash, BeaconNodeTester.TestEvents["0"].CorrectSignedBeaconBlockMhKey, BeaconNodeTester.TestEvents["0"].CorrectExecutionPayloadHeader)
+				}
+				if bc.PerformBeaconStateProcessing {
+					validateBeaconState(bc, BeaconNodeTester.TestEvents["0"].HeadMessage, BeaconNodeTester.TestEvents["0"].CorrectBeaconStateMhKey)
+				}
+			})
+		})
+		Context("When there is a skipped slot", func() {
+			It("Should process the slot properly.", func() {
+				bc := setUpTest(BeaconNodeTester.TestConfig, "3797055")
+				BeaconNodeTester.SetupBeaconNodeMock(BeaconNodeTester.TestEvents, BeaconNodeTester.TestConfig.protocol, BeaconNodeTester.TestConfig.address, BeaconNodeTester.TestConfig.port, BeaconNodeTester.TestConfig.dummyParentRoot)
+				defer httpmock.DeactivateAndReset()
+				BeaconNodeTester.writeEventToHistoricProcess(bc, 3797056, 3797056, 10)
+				BeaconNodeTester.runHistoricalProcess(bc, 2, 1, 0, 0, 0)
+				validateSlot(bc, BeaconNodeTester.TestEvents["3797056"].HeadMessage, 118658, "skipped")
+			})
+		})
+	})
+	Describe("Running the Application to process Known Gaps", Label("unit", "behavioral", "knownGaps"), func() {
+		Context("Phase0 + Altairs: When we need to process a multiple blocks in a multiple entries in the eth_beacon.known_gaps table.", func() {
+			It("Successfully Process the Blocks", func() {
+				bc := setUpTest(BeaconNodeTester.TestConfig, "99")
+				BeaconNodeTester.SetupBeaconNodeMock(BeaconNodeTester.TestEvents, BeaconNodeTester.TestConfig.protocol, BeaconNodeTester.TestConfig.address, BeaconNodeTester.TestConfig.port, BeaconNodeTester.TestConfig.dummyParentRoot)
+				defer httpmock.DeactivateAndReset()
+				BeaconNodeTester.writeEventToKnownGaps(bc, 100, 101)
+				BeaconNodeTester.runKnownGapsProcess(bc, 2, 2, 0, 0, 0)
+				// Run Two seperate processes
+				BeaconNodeTester.writeEventToKnownGaps(bc, 2375703, 2375703)
+				BeaconNodeTester.runKnownGapsProcess(bc, 2, 3, 0, 0, 0)
+
+				time.Sleep(2 * time.Second)
+				validatePopularBatchBlocks(bc)
+			})
+		})
+		Context("When the start block is greater than the endBlock", func() {
+			It("Should Add two entries to the knownGaps table", func() {
+				bc := setUpTest(BeaconNodeTester.TestConfig, "104")
+				BeaconNodeTester.SetupBeaconNodeMock(BeaconNodeTester.TestEvents, BeaconNodeTester.TestConfig.protocol, BeaconNodeTester.TestConfig.address, BeaconNodeTester.TestConfig.port, BeaconNodeTester.TestConfig.dummyParentRoot)
+				defer httpmock.DeactivateAndReset()
+				BeaconNodeTester.writeEventToKnownGaps(bc, 101, 100)
+				BeaconNodeTester.runKnownGapsProcess(bc, 2, 2, 0, 2, 0)
+			})
+		})
+		Context("When theres a reprocessing error", Label("reprocessingError", "flaky"), func() {
+			It("Should update the reprocessing error.", func() {
+				bc := setUpTest(BeaconNodeTester.TestConfig, "99")
+				BeaconNodeTester.SetupBeaconNodeMock(BeaconNodeTester.TestEvents, BeaconNodeTester.TestConfig.protocol, BeaconNodeTester.TestConfig.address, BeaconNodeTester.TestConfig.port, BeaconNodeTester.TestConfig.dummyParentRoot)
+				defer httpmock.DeactivateAndReset()
+				// We dont have an entry in the BeaconNodeTester for this slot
+				BeaconNodeTester.writeEventToHistoricProcess(bc, 105, 105, 10)
+				BeaconNodeTester.runHistoricalProcess(bc, 2, 0, 0, 1, 0)
+				BeaconNodeTester.runKnownGapsProcess(bc, 2, 0, 0, 1, 1)
+			})
+		})
+	})
+	Describe("Running the application in Historic, Head, and KnownGaps mode", Label("unit", "historical", "full"), func() {
+		Context("When it recieves a head, historic and known Gaps message (in order)", func() {
+			It("Should process them all successfully.", func() {
+				bc := setUpTest(BeaconNodeTester.TestConfig, "2375702")
+				BeaconNodeTester.SetupBeaconNodeMock(BeaconNodeTester.TestEvents, BeaconNodeTester.TestConfig.protocol, BeaconNodeTester.TestConfig.address, BeaconNodeTester.TestConfig.port, BeaconNodeTester.TestConfig.dummyParentRoot)
+				defer httpmock.DeactivateAndReset()
+				// Head
+				BeaconNodeTester.testProcessBlock(bc, BeaconNodeTester.TestEvents["2375703"].HeadMessage, 74240, maxRetry, 1, 0, 0)
+
+				// Historical
+				BeaconNodeTester.writeEventToHistoricProcess(bc, 100, 100, 10)
+				BeaconNodeTester.runHistoricalProcess(bc, 2, 2, 0, 0, 0)
+
+				// Known Gaps
+				BeaconNodeTester.writeEventToKnownGaps(bc, 101, 101)
+				BeaconNodeTester.runKnownGapsProcess(bc, 2, 3, 0, 0, 0)
+
+				time.Sleep(2 * time.Second)
+				validatePopularBatchBlocks(bc)
+			})
+		})
+		Context("When it recieves a historic, head and known Gaps message (in order)", func() {
+			It("Should process them all successfully.", func() {
+				bc := setUpTest(BeaconNodeTester.TestConfig, "2375702")
+				BeaconNodeTester.SetupBeaconNodeMock(BeaconNodeTester.TestEvents, BeaconNodeTester.TestConfig.protocol, BeaconNodeTester.TestConfig.address, BeaconNodeTester.TestConfig.port, BeaconNodeTester.TestConfig.dummyParentRoot)
+				defer httpmock.DeactivateAndReset()
+				// Historical
+				BeaconNodeTester.writeEventToHistoricProcess(bc, 100, 100, 10)
+				BeaconNodeTester.runHistoricalProcess(bc, 2, 1, 0, 0, 0)
+
+				// Head
+				BeaconNodeTester.testProcessBlock(bc, BeaconNodeTester.TestEvents["2375703"].HeadMessage, 74240, maxRetry, 1, 0, 0)
+
+				// Known Gaps
+				BeaconNodeTester.writeEventToKnownGaps(bc, 101, 101)
+				BeaconNodeTester.runKnownGapsProcess(bc, 2, 3, 0, 0, 0)
+
+				time.Sleep(2 * time.Second)
+				validatePopularBatchBlocks(bc)
+			})
+		})
+		Context("When it recieves a known Gaps, historic and head  message (in order)", func() {
+			It("Should process them all successfully.", func() {
+				bc := setUpTest(BeaconNodeTester.TestConfig, "2375702")
+				BeaconNodeTester.SetupBeaconNodeMock(BeaconNodeTester.TestEvents, BeaconNodeTester.TestConfig.protocol, BeaconNodeTester.TestConfig.address, BeaconNodeTester.TestConfig.port, BeaconNodeTester.TestConfig.dummyParentRoot)
+				defer httpmock.DeactivateAndReset()
+				// Known Gaps
+				BeaconNodeTester.writeEventToKnownGaps(bc, 101, 101)
+				BeaconNodeTester.runKnownGapsProcess(bc, 2, 1, 0, 0, 0)
+
+				// Historical
+				BeaconNodeTester.writeEventToHistoricProcess(bc, 100, 100, 10)
+				BeaconNodeTester.runHistoricalProcess(bc, 2, 2, 0, 0, 0)
+
+				// Head
+				BeaconNodeTester.testProcessBlock(bc, BeaconNodeTester.TestEvents["2375703"].HeadMessage, 74240, maxRetry, 1, 0, 0)
+
+				time.Sleep(2 * time.Second)
+				validatePopularBatchBlocks(bc)
+			})
+		})
+	})
+})
+
+// This function will write an even to the eth_beacon.known_gaps table
+func (tbc TestBeaconNode) writeEventToKnownGaps(bc *beaconclient.BeaconClient, startSlot, endSlot int) {
+	log.Debug("We are writing the necessary events to batch process")
+	insertKnownGapsStmt := `INSERT INTO eth_beacon.known_gaps (start_slot, end_slot)
+	VALUES ($1, $2);`
+	res, err := bc.Db.Exec(context.Background(), insertKnownGapsStmt, startSlot, endSlot)
+	Expect(err).ToNot(HaveOccurred())
+	rows, err := res.RowsAffected()
+	if rows != 1 {
+		Fail("We didnt write...")
+	}
+	Expect(err).ToNot(HaveOccurred())
+}
+
+// This function will write an even to the eth_beacon.known_gaps table
+func (tbc TestBeaconNode) writeEventToHistoricProcess(bc *beaconclient.BeaconClient, startSlot, endSlot, priority int) {
+	log.Debug("We are writing the necessary events to batch process")
+	insertHistoricProcessingStmt := `INSERT INTO eth_beacon.historic_process (start_slot, end_slot, priority)
+	VALUES ($1, $2, $3);`
+	res, err := bc.Db.Exec(context.Background(), insertHistoricProcessingStmt, startSlot, endSlot, priority)
+	Expect(err).ToNot(HaveOccurred())
+	rows, err := res.RowsAffected()
+	if rows != 1 {
+		Fail("We didnt write...")
+	}
+	Expect(err).ToNot(HaveOccurred())
+}
+
+// Start the CaptureHistoric function, and check for the correct inserted slots.
+func (tbc TestBeaconNode) runHistoricalProcess(bc *beaconclient.BeaconClient, maxWorkers int, expectedInserts, expectedReorgs, expectedKnownGaps, expectedKnownGapsReprocessError uint64) {
+	ctx, cancel := context.WithCancel(context.Background())
+	go bc.CaptureHistoric(ctx, maxWorkers, 0)
+	validateMetrics(bc, expectedInserts, expectedReorgs, expectedKnownGaps, expectedKnownGapsReprocessError)
+	log.Debug("Calling the stop function for historical processing..")
+	err := bc.StopHistoric(cancel)
+	time.Sleep(5 * time.Second)
+	Expect(err).ToNot(HaveOccurred())
+	validateAllRowsCheckedOut(bc.Db, hpCheckCheckedOutStmt)
+}
+
+// Wrapper function that processes knownGaps
+func (tbc TestBeaconNode) runKnownGapsProcess(bc *beaconclient.BeaconClient, maxWorkers int, expectedInserts, expectedReorgs, expectedKnownGaps, expectedKnownGapsReprocessError uint64) {
+	ctx, cancel := context.WithCancel(context.Background())
+	go bc.ProcessKnownGaps(ctx, maxWorkers, 0)
+	validateMetrics(bc, expectedInserts, expectedReorgs, expectedKnownGaps, expectedKnownGapsReprocessError)
+	err := bc.StopKnownGapsProcessing(cancel)
+	time.Sleep(5 * time.Second)
+	Expect(err).ToNot(HaveOccurred())
+	validateAllRowsCheckedOut(bc.Db, kgCheckCheckedOutStmt)
+}
+
+func validateMetrics(bc *beaconclient.BeaconClient, expectedInserts, expectedReorgs, expectedKnownGaps, expectedKnownGapsReprocessError uint64) {
+	curRetry := 0
+	value := atomic.LoadUint64(&bc.Metrics.SlotInserts)
+	for value != expectedInserts {
+		time.Sleep(1 * time.Second)
+		curRetry = curRetry + 1
+		if curRetry == maxRetry {
+			Fail(fmt.Sprintf("Too many retries have occurred. The number of inserts expected %d, the number that actually occurred, %d", expectedInserts, atomic.LoadUint64(&bc.Metrics.SlotInserts)))
+		}
+		value = atomic.LoadUint64(&bc.Metrics.SlotInserts)
+	}
+	curRetry = 0
+	value = atomic.LoadUint64(&bc.Metrics.KnownGapsInserts)
+	for value != expectedKnownGaps {
+		time.Sleep(1 * time.Second)
+		curRetry = curRetry + 1
+		if curRetry == maxRetry {
+			Fail(fmt.Sprintf("Too many retries have occurred. The number of knownGaps expected %d, the number that actually occurred, %d", expectedKnownGaps, atomic.LoadUint64(&bc.Metrics.KnownGapsInserts)))
+		}
+		value = atomic.LoadUint64(&bc.Metrics.KnownGapsInserts)
+	}
+	curRetry = 0
+	value = atomic.LoadUint64(&bc.Metrics.KnownGapsReprocessError)
+	for value != expectedKnownGapsReprocessError {
+		time.Sleep(1 * time.Second)
+		curRetry = curRetry + 1
+		if curRetry == maxRetry {
+			Fail(fmt.Sprintf("Too many retries have occurred. The number of knownGapsReprocessingErrors expected %d, the number that actually occurred, %d", expectedKnownGapsReprocessError, value))
+		}
+		log.Debug("&bc.Metrics.KnownGapsReprocessError: ", &bc.Metrics.KnownGapsReprocessError)
+		value = atomic.LoadUint64(&bc.Metrics.KnownGapsReprocessError)
+	}
+	curRetry = 0
+	value = atomic.LoadUint64(&bc.Metrics.ReorgInserts)
+	for value != expectedReorgs {
+		time.Sleep(1 * time.Second)
+		curRetry = curRetry + 1
+		if curRetry == maxRetry {
+			Fail(fmt.Sprintf("Too many retries have occurred. The number of Reorgs expected %d, the number that actually occurred, %d", expectedReorgs, atomic.LoadUint64(&bc.Metrics.ReorgInserts)))
+		}
+		value = atomic.LoadUint64(&bc.Metrics.ReorgInserts)
+	}
+}
+
+// A wrapper function to validate a few popular blocks
+func validatePopularBatchBlocks(bc *beaconclient.BeaconClient) {
+	validateSlot(bc, BeaconNodeTester.TestEvents["100"].HeadMessage, 3, "proposed")
+	if bc.PerformBeaconBlockProcessing {
+		validateSignedBeaconBlock(bc, BeaconNodeTester.TestEvents["100"].HeadMessage, BeaconNodeTester.TestEvents["100"].CorrectParentRoot, BeaconNodeTester.TestEvents["100"].CorrectEth1DataBlockHash, BeaconNodeTester.TestEvents["100"].CorrectSignedBeaconBlockMhKey, BeaconNodeTester.TestEvents["100"].CorrectExecutionPayloadHeader)
+	}
+	if bc.PerformBeaconStateProcessing {
+		validateBeaconState(bc, BeaconNodeTester.TestEvents["100"].HeadMessage, BeaconNodeTester.TestEvents["100"].CorrectBeaconStateMhKey)
+	}
+
+	validateSlot(bc, BeaconNodeTester.TestEvents["101"].HeadMessage, 3, "proposed")
+	if bc.PerformBeaconBlockProcessing {
+		validateSignedBeaconBlock(bc, BeaconNodeTester.TestEvents["101"].HeadMessage, BeaconNodeTester.TestEvents["100"].HeadMessage.Block, BeaconNodeTester.TestEvents["101"].CorrectEth1DataBlockHash, BeaconNodeTester.TestEvents["101"].CorrectSignedBeaconBlockMhKey, BeaconNodeTester.TestEvents["101"].CorrectExecutionPayloadHeader)
+	}
+	if bc.PerformBeaconStateProcessing {
+		validateBeaconState(bc, BeaconNodeTester.TestEvents["101"].HeadMessage, BeaconNodeTester.TestEvents["101"].CorrectBeaconStateMhKey)
+	}
+
+	validateSlot(bc, BeaconNodeTester.TestEvents["2375703"].HeadMessage, 74240, "proposed")
+	if bc.PerformBeaconBlockProcessing {
+		validateSignedBeaconBlock(bc, BeaconNodeTester.TestEvents["2375703"].HeadMessage, BeaconNodeTester.TestEvents["2375703"].CorrectParentRoot, BeaconNodeTester.TestEvents["2375703"].CorrectEth1DataBlockHash, BeaconNodeTester.TestEvents["2375703"].CorrectSignedBeaconBlockMhKey, BeaconNodeTester.TestEvents["2375703"].CorrectExecutionPayloadHeader)
+	}
+	if bc.PerformBeaconStateProcessing {
+		validateBeaconState(bc, BeaconNodeTester.TestEvents["2375703"].HeadMessage, BeaconNodeTester.TestEvents["2375703"].CorrectBeaconStateMhKey)
+	}
+}
+
+// Make sure all rows have checked_out as false.
+func validateAllRowsCheckedOut(db sql.Database, checkStmt string) {
+	res, err := db.Exec(context.Background(), checkStmt)
+	Expect(err).ToNot(HaveOccurred())
+	rows, err := res.RowsAffected()
+	Expect(err).ToNot(HaveOccurred())
+	Expect(rows).To(Equal(int64(0)))
+}

pkg/beaconclient/checkbeaconserverstatus.go

@@ -0,0 +1,214 @@
+// VulcanizeDB
+// Copyright © 2022 Vulcanize
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+package beaconclient
+
+import (
+	"bufio"
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"strconv"
+	"strings"
+	"sync/atomic"
+
+	log "github.com/sirupsen/logrus"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/loghelper"
+)
+
+var (
+	MissingBeaconServerType error = fmt.Errorf("The beacon server type provided is not handled.")
+	LighthouseMissingSlots  error = fmt.Errorf("Anchor is not nil. This means lighthouse has not backfilled all the slots from Genesis to head.")
+)
+
+// The sync response when checking if the node is synced.
+type Sync struct {
+	Data SyncData `json:"data"`
+}
+
+// The sync data
+type SyncData struct {
+	IsSync       bool   `json:"is_syncing"`
+	HeadSlot     string `json:"head_slot"`
+	SyncDistance string `json:"sync_distance"`
+}
+
+// This function will check to see if we are synced up with the head of chain.
+// {"data":{"is_syncing":true,"head_slot":"62528","sync_distance":"3734299"}}
+func (bc BeaconClient) CheckHeadSync() (bool, error) {
+	syncStatus, err := bc.QueryHeadSync()
+	if err != nil {
+		return true, nil
+	}
+	return syncStatus.Data.IsSync, nil
+}
+
+func (bc BeaconClient) QueryHeadSync() (Sync, error) {
+	var syncStatus Sync
+	bcSync := bc.ServerEndpoint + BcSyncStatusEndpoint
+	resp, err := http.Get(bcSync)
+
+	if err != nil {
+		loghelper.LogEndpoint(bcSync).Error("Unable to check the sync status")
+		return syncStatus, err
+	}
+
+	if resp.StatusCode < 200 || resp.StatusCode > 299 {
+		loghelper.LogEndpoint(bcSync).WithFields(log.Fields{"returnCode": resp.StatusCode}).Error("Error when getting the sync status")
+		return syncStatus, fmt.Errorf("Querying the sync status returned a non 2xx status code, code provided: %d", resp.StatusCode)
+	}
+
+	defer resp.Body.Close()
+	var body bytes.Buffer
+	buf := bufio.NewWriter(&body)
+	_, err = io.Copy(buf, resp.Body)
+
+	if err != nil {
+		return syncStatus, err
+	}
+
+	if err := json.Unmarshal(body.Bytes(), &syncStatus); err != nil {
+		loghelper.LogEndpoint(bcSync).WithFields(log.Fields{
+			"rawMessage": body.String(),
+			"err":        err,
+		}).Error("Unable to unmarshal sync status")
+		return syncStatus, err
+	}
+	return syncStatus, nil
+}
+
+// The response when checking the lighthouse nodes DB info: /lighthouse/database/info
+type LighthouseDatabaseInfo struct {
+	SchemaVersion int        `json:"schema_version"`
+	Config        LhDbConfig `json:"config"`
+	Split         LhDbSplit  `json:"split"`
+	Anchor        LhDbAnchor `json:"anchor"`
+}
+
+// The config field within the DatabaseInfo response.
+type LhDbConfig struct {
+	SlotsPerRestorePoint              int  `json:"slots_per_restore_point"`
+	SlotsPerRestorePointSetExplicitly bool `json:"slots_per_restore_point_set_explicitly"`
+	BlockCacheSize                    int  `json:"block_cache_size"`
+	CompactOnInit                     bool `json:"compact_on_init"`
+	CompactOnPrune                    bool `json:"compact_on_prune"`
+}
+
+// The split field within the DatabaseInfo response.
+type LhDbSplit struct {
+	Slot      string `json:"slot"`
+	StateRoot string `json:"state_root"`
+}
+
+// The anchor field within the DatabaseInfo response.
+type LhDbAnchor struct {
+	AnchorSlot        string `json:"anchor_slot"`
+	OldestBlockSlot   string `json:"oldest_block_slot"`
+	OldestBlockParent string `json:"oldest_block_parent"`
+	StateUpperLimit   string `json:"state_upper_limit"`
+	StateLowerLimit   string `json:"state_lower_limit"`
+}
+
+// This function will notify us what the head slot is.
+func (bc BeaconClient) queryHeadSlotInBeaconServer() (int, error) {
+	syncStatus, err := bc.QueryHeadSync()
+	if err != nil {
+		return 0, nil
+	}
+	headSlot, err := strconv.Atoi(syncStatus.Data.HeadSlot)
+	if err != nil {
+		return 0, nil
+	}
+	return headSlot, nil
+}
+
+// return the lighthouse Database Info
+func (bc BeaconClient) queryLighthouseDbInfo() (LighthouseDatabaseInfo, error) {
+	var dbInfo LighthouseDatabaseInfo
+
+	lhDbInfo := bc.ServerEndpoint + LhDbInfoEndpoint
+	resp, err := http.Get(lhDbInfo)
+
+	if err != nil {
+		loghelper.LogEndpoint(lhDbInfo).Error("Unable to get the lighthouse database information")
+		return dbInfo, err
+	}
+
+	if resp.StatusCode < 200 || resp.StatusCode > 299 {
+		loghelper.LogEndpoint(lhDbInfo).WithFields(log.Fields{"returnCode": resp.StatusCode}).Error("Error when getting the lighthouse database information")
+		return dbInfo, fmt.Errorf("Querying the lighthouse database information returned a non 2xx status code, code provided: %d", resp.StatusCode)
+	}
+
+	defer resp.Body.Close()
+	var body bytes.Buffer
+	buf := bufio.NewWriter(&body)
+	_, err = io.Copy(buf, resp.Body)
+	if err != nil {
+		return dbInfo, err
+	}
+
+	if err := json.Unmarshal(body.Bytes(), &dbInfo); err != nil {
+		loghelper.LogEndpoint(lhDbInfo).WithFields(log.Fields{
+			"rawMessage": body.String(),
+			"err":        err,
+		}).Error("Unable to unmarshal the lighthouse database information")
+		return dbInfo, err
+	}
+	return dbInfo, nil
+}
+
+// This function will tell us what the latest slot is that the beacon server has available. This is important as
+// it will ensure us that we have all slots prior to the given slot.
+func (bc BeaconClient) GetLatestSlotInBeaconServer(beaconServerType string) (int, error) {
+	switch strings.ToLower(beaconServerType) {
+	case "lighthouse":
+		headSlot, err := bc.queryHeadSlotInBeaconServer()
+		if err != nil {
+			return 0, err
+		}
+		lhDb, err := bc.queryLighthouseDbInfo()
+		if err != nil {
+			return 0, err
+		}
+		if lhDb.Anchor == (LhDbAnchor{}) {
+			//atomic.StoreInt64(&bc.LatestSlotInBeaconServer, int64(headSlot))
+			log.WithFields(log.Fields{
+				"headSlot": headSlot,
+			}).Info("Anchor is nil, the lighthouse client has all the nodes from genesis to head.")
+			return headSlot, nil
+		} else {
+			log.WithFields(log.Fields{
+				"lhDb.Anchor": lhDb.Anchor,
+			}).Info(LighthouseMissingSlots.Error())
+			log.Info("We will add a feature down the road to wait for anchor to be null, if its needed.")
+			return 0, LighthouseMissingSlots
+		}
+	default:
+		log.WithFields(log.Fields{"BeaconServerType": beaconServerType}).Error(MissingBeaconServerType.Error())
+		return 0, MissingBeaconServerType
+	}
+}
+
+// A wrapper function for updating the latest slot.
+func (bc BeaconClient) UpdateLatestSlotInBeaconServer(headSlot int64) {
+	curr := atomic.LoadInt64(&bc.LatestSlotInBeaconServer)
+	log.WithFields(log.Fields{
+		"Previous Latest Slot": curr,
+		"New Latest Slot":      headSlot,
+	}).Debug("Swapping Head Slot")
+	atomic.SwapInt64(&bc.LatestSlotInBeaconServer, int64(headSlot))
+}

pkg/beaconclient/checksyncstatus.go

@@ -1,72 +0,0 @@
-// VulcanizeDB
-// Copyright © 2022 Vulcanize
-
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Affero General Public License for more details.
-
-// You should have received a copy of the GNU Affero General Public License
-// along with this program.  If not, see <http://www.gnu.org/licenses/>.
-package beaconclient
-
-import (
-	"encoding/json"
-	"fmt"
-	"io/ioutil"
-	"net/http"
-
-	log "github.com/sirupsen/logrus"
-	"github.com/vulcanize/ipld-ethcl-indexer/pkg/loghelper"
-)
-
-// The sync response
-type Sync struct {
-	Data SyncData `json:"data"`
-}
-
-// The sync data
-type SyncData struct {
-	IsSync       bool   `json:"is_syncing"`
-	HeadSlot     string `json:"head_slot"`
-	SyncDistance string `json:"sync_distance"`
-}
-
-// This function will check to see if we are synced up with the head of chain.
-//{"data":{"is_syncing":true,"head_slot":"62528","sync_distance":"3734299"}}
-func (bc BeaconClient) CheckHeadSync() (bool, error) {
-	bcSync := bc.ServerEndpoint + BcSyncStatusEndpoint
-	resp, err := http.Get(bcSync)
-
-	if err != nil {
-		loghelper.LogEndpoint(bcSync).Error("Unable to check the sync status")
-		return true, err
-	}
-
-	if resp.StatusCode < 200 || resp.StatusCode > 299 {
-		loghelper.LogEndpoint(bcSync).WithFields(log.Fields{"returnCode": resp.StatusCode}).Error("Error when getting the sync status")
-		return true, fmt.Errorf("Querying the sync status returned a non 2xx status code, code provided: %d", resp.StatusCode)
-	}
-
-	defer resp.Body.Close()
-	body, err := ioutil.ReadAll(resp.Body)
-	if err != nil {
-		return true, err
-	}
-
-	var syncStatus Sync
-	if err := json.Unmarshal(body, &syncStatus); err != nil {
-		loghelper.LogEndpoint(bcSync).WithFields(log.Fields{
-			"rawMessage": string(body),
-			"err":        err,
-		}).Error("Unable to unmarshal sync status")
-		return true, err
-	}
-
-	return syncStatus.Data.IsSync, nil
-}

pkg/beaconclient/consensus.go

@@ -0,0 +1,441 @@
+package beaconclient
+
+import (
+	"bytes"
+	"errors"
+	"github.com/protolambda/zrnt/eth2/beacon/altair"
+	"github.com/protolambda/zrnt/eth2/beacon/bellatrix"
+	"github.com/protolambda/zrnt/eth2/beacon/common"
+	"github.com/protolambda/zrnt/eth2/beacon/phase0"
+	"github.com/protolambda/zrnt/eth2/configs"
+	"github.com/protolambda/ztyp/codec"
+	"github.com/protolambda/ztyp/tree"
+	log "github.com/sirupsen/logrus"
+	"strconv"
+)
+
+type Eth1Data common.Eth1Data
+type Root common.Root
+type Signature common.BLSSignature
+type Slot uint64
+type Epoch uint64
+type ExecutionPayloadHeader common.ExecutionPayloadHeader
+
+func ParseSlot(v string) (Slot, error) {
+	slotNum, err := strconv.ParseUint(v, 10, 64)
+	return Slot(slotNum), err
+}
+
+func (s *Slot) Format() string {
+	return strconv.FormatUint(uint64(*s), 10)
+}
+
+func (s *Slot) Number() uint64 {
+	return uint64(*s)
+}
+
+func (s *Slot) Plus(v uint64) Slot {
+	return Slot(v + s.Number())
+}
+
+func (s *Slot) PlusInt(v int) Slot {
+	return s.Plus(uint64(v))
+}
+
+func (e *Epoch) Format() string {
+	return strconv.FormatUint(uint64(*e), 10)
+}
+
+type BeaconBlock struct {
+	spec      *common.Spec
+	bellatrix *bellatrix.BeaconBlock
+	altair    *altair.BeaconBlock
+	phase0    *phase0.BeaconBlock
+}
+
+type BeaconBlockBody struct {
+	spec      *common.Spec
+	bellatrix *bellatrix.BeaconBlockBody
+	altair    *altair.BeaconBlockBody
+	phase0    *phase0.BeaconBlockBody
+}
+
+type BeaconState struct {
+	spec      *common.Spec
+	bellatrix *bellatrix.BeaconState
+	altair    *altair.BeaconState
+	phase0    *phase0.BeaconState
+}
+
+type SignedBeaconBlock struct {
+	spec      *common.Spec
+	bellatrix *bellatrix.SignedBeaconBlock
+	altair    *altair.SignedBeaconBlock
+	phase0    *phase0.SignedBeaconBlock
+}
+
+func (s *SignedBeaconBlock) UnmarshalSSZ(ssz []byte) error {
+	spec := chooseSpec(s.spec)
+
+	var bellatrix bellatrix.SignedBeaconBlock
+	err := bellatrix.Deserialize(spec, makeDecodingReader(ssz))
+	if nil == err {
+		s.bellatrix = &bellatrix
+		s.altair = nil
+		s.phase0 = nil
+		log.Info("Unmarshalled Bellatrix SignedBeaconBlock")
+		return nil
+	}
+
+	var altair altair.SignedBeaconBlock
+	err = altair.Deserialize(spec, makeDecodingReader(ssz))
+	if nil == err {
+		s.bellatrix = nil
+		s.altair = &altair
+		s.phase0 = nil
+		log.Info("Unmarshalled Altair SignedBeaconBlock")
+		return nil
+	}
+
+	var phase0 phase0.SignedBeaconBlock
+	err = phase0.Deserialize(spec, makeDecodingReader(ssz))
+	if nil == err {
+		s.bellatrix = nil
+		s.altair = nil
+		s.phase0 = &phase0
+		log.Info("Unmarshalled Phase0 SignedBeaconBlock")
+		return nil
+	}
+
+	s.bellatrix = nil
+	s.altair = nil
+	s.phase0 = nil
+
+	log.Warning("Unable to unmarshal SignedBeaconBlock")
+	return err
+}
+
+func (s *SignedBeaconBlock) MarshalSSZ() ([]byte, error) {
+	spec := chooseSpec(s.spec)
+	var err error
+	var buf bytes.Buffer
+	encodingWriter := codec.NewEncodingWriter(&buf)
+
+	if s.IsBellatrix() {
+		err = s.bellatrix.Serialize(spec, encodingWriter)
+	}
+	if s.IsAltair() {
+		err = s.altair.Serialize(spec, encodingWriter)
+	}
+	if s.IsPhase0() {
+		err = s.phase0.Serialize(spec, encodingWriter)
+	}
+
+	if err != nil {
+		return nil, err
+	}
+
+	return buf.Bytes(), err
+}
+
+func (s *SignedBeaconBlock) IsBellatrix() bool {
+	return s.bellatrix != nil
+}
+
+func (s *SignedBeaconBlock) IsAltair() bool {
+	return s.altair != nil
+}
+
+func (s *SignedBeaconBlock) IsPhase0() bool {
+	return s.phase0 != nil
+}
+
+func (s *SignedBeaconBlock) GetBellatrix() *bellatrix.SignedBeaconBlock {
+	return s.bellatrix
+}
+
+func (s *SignedBeaconBlock) GetAltair() *altair.SignedBeaconBlock {
+	return s.altair
+}
+
+func (s *SignedBeaconBlock) GetPhase0() *phase0.SignedBeaconBlock {
+	return s.phase0
+}
+
+func (s *SignedBeaconBlock) Signature() Signature {
+	if s.IsBellatrix() {
+		return Signature(s.bellatrix.Signature)
+	}
+
+	if s.IsAltair() {
+		return Signature(s.altair.Signature)
+	}
+
+	if s.IsPhase0() {
+		return Signature(s.phase0.Signature)
+	}
+
+	return Signature{}
+}
+
+func (s *SignedBeaconBlock) Block() *BeaconBlock {
+	if s.IsBellatrix() {
+		return &BeaconBlock{bellatrix: &s.bellatrix.Message, spec: s.spec}
+	}
+
+	if s.IsAltair() {
+		return &BeaconBlock{altair: &s.altair.Message, spec: s.spec}
+	}
+
+	if s.IsPhase0() {
+		return &BeaconBlock{phase0: &s.phase0.Message, spec: s.spec}
+	}
+
+	return nil
+}
+
+func (b *BeaconBlock) IsBellatrix() bool {
+	return b.bellatrix != nil
+}
+
+func (b *BeaconBlock) IsAltair() bool {
+	return b.altair != nil
+}
+
+func (b *BeaconBlock) IsPhase0() bool {
+	return b.phase0 != nil
+}
+
+func (s *BeaconBlock) GetBellatrix() *bellatrix.BeaconBlock {
+	return s.bellatrix
+}
+
+func (s *BeaconBlock) GetAltair() *altair.BeaconBlock {
+	return s.altair
+}
+
+func (s *BeaconBlock) GetPhase0() *phase0.BeaconBlock {
+	return s.phase0
+}
+
+func (b *BeaconBlock) ParentRoot() Root {
+	if b.IsBellatrix() {
+		return Root(b.bellatrix.ParentRoot)
+	}
+
+	if b.IsAltair() {
+		return Root(b.altair.ParentRoot)
+	}
+
+	if b.IsPhase0() {
+		return Root(b.phase0.ParentRoot)
+	}
+
+	return Root{}
+}
+
+func (b *BeaconBlock) StateRoot() Root {
+	if b.IsBellatrix() {
+		return Root(b.bellatrix.StateRoot)
+	}
+
+	if b.IsAltair() {
+		return Root(b.altair.StateRoot)
+	}
+
+	if b.IsPhase0() {
+		return Root(b.phase0.StateRoot)
+	}
+
+	return Root{}
+}
+
+func (b *BeaconBlock) Body() *BeaconBlockBody {
+	if b.IsBellatrix() {
+		return &BeaconBlockBody{bellatrix: &b.bellatrix.Body, spec: b.spec}
+	}
+
+	if b.IsAltair() {
+		return &BeaconBlockBody{altair: &b.altair.Body, spec: b.spec}
+	}
+
+	if b.IsPhase0() {
+		return &BeaconBlockBody{phase0: &b.phase0.Body, spec: b.spec}
+	}
+
+	return nil
+}
+
+func (b *BeaconBlockBody) IsBellatrix() bool {
+	return b.bellatrix != nil
+}
+
+func (b *BeaconBlockBody) IsAltair() bool {
+	return b.altair != nil
+}
+
+func (b *BeaconBlockBody) IsPhase0() bool {
+	return b.phase0 != nil
+}
+
+func (b *BeaconBlockBody) Eth1Data() Eth1Data {
+	if b.IsBellatrix() {
+		return Eth1Data(b.bellatrix.Eth1Data)
+	}
+
+	if b.IsAltair() {
+		return Eth1Data(b.altair.Eth1Data)
+	}
+
+	if b.IsPhase0() {
+		return Eth1Data(b.phase0.Eth1Data)
+	}
+
+	return Eth1Data{}
+}
+
+func (b *BeaconBlockBody) ExecutionPayloadHeader() *ExecutionPayloadHeader {
+	if b.IsBellatrix() {
+		payloadHeader := b.bellatrix.ExecutionPayload.Header(chooseSpec(b.spec))
+		return (*ExecutionPayloadHeader)(payloadHeader)
+	}
+
+	return nil
+}
+
+func (b *BeaconBlock) HashTreeRoot() Root {
+	spec := chooseSpec(b.spec)
+	hashFn := tree.GetHashFn()
+
+	if b.IsBellatrix() {
+		return Root(b.bellatrix.HashTreeRoot(spec, hashFn))
+	}
+
+	if b.IsAltair() {
+		return Root(b.altair.HashTreeRoot(spec, hashFn))
+	}
+
+	if b.IsPhase0() {
+		return Root(b.phase0.HashTreeRoot(spec, hashFn))
+	}
+
+	return Root{}
+}
+
+func (s *BeaconState) UnmarshalSSZ(ssz []byte) error {
+	spec := chooseSpec(s.spec)
+
+	var bellatrix bellatrix.BeaconState
+	err := bellatrix.Deserialize(spec, makeDecodingReader(ssz))
+	if nil == err {
+		s.bellatrix = &bellatrix
+		s.altair = nil
+		s.phase0 = nil
+		log.Info("Unmarshalled Bellatrix BeaconState")
+		return nil
+	}
+
+	var altair altair.BeaconState
+	err = altair.Deserialize(spec, makeDecodingReader(ssz))
+	if nil == err {
+		s.bellatrix = nil
+		s.altair = &altair
+		s.phase0 = nil
+		log.Info("Unmarshalled Altair BeaconState")
+		return nil
+	}
+
+	var phase0 phase0.BeaconState
+	err = phase0.Deserialize(spec, makeDecodingReader(ssz))
+	if nil == err {
+		s.bellatrix = nil
+		s.altair = nil
+		s.phase0 = &phase0
+		log.Info("Unmarshalled Phase0 BeaconState")
+		return nil
+	}
+
+	s.bellatrix = nil
+	s.altair = nil
+	s.phase0 = nil
+
+	log.Warning("Unable to unmarshal BeaconState")
+	return err
+}
+
+func (s *BeaconState) MarshalSSZ() ([]byte, error) {
+	spec := chooseSpec(s.spec)
+	var err error
+	var buf bytes.Buffer
+	encodingWriter := codec.NewEncodingWriter(&buf)
+
+	if s.IsBellatrix() {
+		err = s.bellatrix.Serialize(spec, encodingWriter)
+	} else if s.IsAltair() {
+		err = s.altair.Serialize(spec, encodingWriter)
+	} else if s.IsPhase0() {
+		err = s.phase0.Serialize(spec, encodingWriter)
+	} else {
+		err = errors.New("BeaconState not set")
+	}
+
+	if nil != err {
+		return nil, err
+	}
+
+	return buf.Bytes(), nil
+}
+
+func (s *BeaconState) IsBellatrix() bool {
+	return s.bellatrix != nil
+}
+
+func (s *BeaconState) IsAltair() bool {
+	return s.altair != nil
+}
+
+func (s *BeaconState) IsPhase0() bool {
+	return s.phase0 != nil
+}
+
+func (s *BeaconState) HashTreeRoot() Root {
+	spec := chooseSpec(s.spec)
+	hashFn := tree.GetHashFn()
+
+	if s.IsBellatrix() {
+		return Root(s.bellatrix.HashTreeRoot(spec, hashFn))
+	}
+
+	if s.IsAltair() {
+		return Root(s.altair.HashTreeRoot(spec, hashFn))
+	}
+
+	if s.IsPhase0() {
+		return Root(s.phase0.HashTreeRoot(spec, hashFn))
+	}
+
+	return Root{}
+}
+
+func (s *BeaconState) GetBellatrix() *bellatrix.BeaconState {
+	return s.bellatrix
+}
+
+func (s *BeaconState) GetAltair() *altair.BeaconState {
+	return s.altair
+}
+
+func (s *BeaconState) GetPhase0() *phase0.BeaconState {
+	return s.phase0
+}
+
+func chooseSpec(spec *common.Spec) *common.Spec {
+	if nil == spec {
+		return configs.Mainnet
+	}
+	return spec
+}
+
+func makeDecodingReader(ssz []byte) *codec.DecodingReader {
+	return codec.NewDecodingReader(bytes.NewReader(ssz), uint64(len(ssz)))
+}

pkg/beaconclient/databasewrite.go

@@ -18,46 +18,69 @@ package beaconclient
 import (
 	"context"
 	"fmt"
-	"strconv"
-
+	"github.com/jackc/pgx/v4"
 	log "github.com/sirupsen/logrus"
-	"github.com/vulcanize/ipld-ethcl-indexer/pkg/database/sql"
-	"github.com/vulcanize/ipld-ethcl-indexer/pkg/loghelper"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/database/sql"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/loghelper"
+	"golang.org/x/sync/errgroup"
 )
 
 var (
-	// Statement to upsert to the ethcl.slots table.
+	// Statement to upsert to the eth_beacon.slots table.
 	UpsertSlotsStmt string = `
-INSERT INTO ethcl.slots (epoch, slot, block_root, state_root, status)
+INSERT INTO eth_beacon.slots (epoch, slot, block_root, state_root, status)
 VALUES ($1, $2, $3, $4, $5) ON CONFLICT (slot, block_root) DO NOTHING`
-	// Statement to upsert to the ethcl.signed_beacon_blocks table.
+	// Statement to upsert to the eth_beacon.signed_blocks table.
 	UpsertSignedBeaconBlockStmt string = `
-INSERT INTO ethcl.signed_beacon_block (slot, block_root, parent_block_root, eth1_block_hash, mh_key)
+INSERT INTO eth_beacon.signed_block (slot, block_root, parent_block_root, eth1_data_block_hash, mh_key)
 VALUES ($1, $2, $3, $4, $5) ON CONFLICT (slot, block_root) DO NOTHING`
-	// Statement to upsert to the ethcl.beacon_state table.
+	UpsertSignedBeaconBlockWithPayloadStmt string = `
+INSERT INTO eth_beacon.signed_block (slot, block_root, parent_block_root, eth1_data_block_hash, mh_key,
+                                     payload_block_number, payload_timestamp, payload_block_hash,
+                                     payload_parent_hash, payload_state_root, payload_receipts_root,
+                                     payload_transactions_root)
+VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12) ON CONFLICT (slot, block_root) DO NOTHING`
+	// Statement to upsert to the eth_beacon.state table.
 	UpsertBeaconState string = `
-INSERT INTO ethcl.beacon_state (slot, state_root, mh_key)
+INSERT INTO eth_beacon.state (slot, state_root, mh_key)
 VALUES ($1, $2, $3) ON CONFLICT (slot, state_root) DO NOTHING`
 	// Statement to upsert to the public.blocks table.
 	UpsertBlocksStmt string = `
 INSERT INTO public.blocks (key, data)
 VALUES ($1, $2) ON CONFLICT (key) DO NOTHING`
-	UpdateForkedStmt string = `UPDATE ethcl.slots
+	UpdateForkedStmt string = `UPDATE eth_beacon.slots
 	SET status='forked'
 	WHERE slot=$1 AND block_root<>$2
 	RETURNING block_root;`
-	UpdateProposedStmt string = `UPDATE ethcl.slots
+	UpdateProposedStmt string = `UPDATE eth_beacon.slots
 	SET status='proposed'
 	WHERE slot=$1 AND block_root=$2
 	RETURNING block_root;`
 	CheckProposedStmt string = `SELECT slot, block_root
-	FROM ethcl.slots
+	FROM eth_beacon.slots
 	WHERE slot=$1 AND block_root=$2;`
+	// Check to see if the slot and block_root exist in eth_beacon.signed_block
+	CheckSignedBeaconBlockStmt string = `SELECT slot, block_root
+	FROM eth_beacon.signed_block
+	WHERE slot=$1 AND block_root=$2`
+	// Check to see if the slot and state_root exist in eth_beacon.state
+	CheckBeaconStateStmt string = `SELECT slot, state_root
+	FROM eth_beacon.state
+	WHERE slot=$1 AND state_root=$2`
+	// Used to get a single slot from the table if it exists
+	QueryBySlotStmt string = `SELECT slot
+	FROM eth_beacon.slots
+	WHERE slot=$1`
 	// Statement to insert known_gaps. We don't pass in timestamp, we let the server take care of that one.
 	UpsertKnownGapsStmt string = `
-INSERT INTO ethcl.known_gaps (start_slot, end_slot, checked_out, reprocessing_error, entry_error, entry_process)
+INSERT INTO eth_beacon.known_gaps (start_slot, end_slot, checked_out, reprocessing_error, entry_error, entry_process)
 VALUES ($1, $2, $3, $4, $5, $6) on CONFLICT (start_slot, end_slot) DO NOTHING`
-	QueryHighestSlotStmt string = "SELECT COALESCE(MAX(slot), 0) FROM ethcl.slots"
+	UpsertKnownGapsErrorStmt string = `
+	UPDATE eth_beacon.known_gaps
+	SET reprocessing_error=$3, priority=priority+1
+	WHERE start_slot=$1 AND end_slot=$2;`
+	// Get the highest slot if one exists
+	QueryHighestSlotStmt string = "SELECT COALESCE(MAX(slot), 0) FROM eth_beacon.slots"
 )
 
 // Put all functionality to prepare the write object
@@ -65,24 +88,33 @@ VALUES ($1, $2, $3, $4, $5, $6) on CONFLICT (start_slot, end_slot) DO NOTHING`
 // Remove any of it from the processslot file.
 type DatabaseWriter struct {
 	Db                   sql.Database
+	Tx                   sql.Tx
+	Ctx                  context.Context
 	Metrics              *BeaconClientMetrics
 	DbSlots              *DbSlots
 	DbSignedBeaconBlock  *DbSignedBeaconBlock
 	DbBeaconState        *DbBeaconState
-	rawBeaconState       []byte
-	rawSignedBeaconBlock []byte
+	rawBeaconState       *[]byte
+	rawSignedBeaconBlock *[]byte
 }
 
-func CreateDatabaseWrite(db sql.Database, slot int, stateRoot string, blockRoot string, parentBlockRoot string,
-	eth1BlockHash string, status string, rawSignedBeaconBlock []byte, rawBeaconState []byte, metrics *BeaconClientMetrics) (*DatabaseWriter, error) {
+func CreateDatabaseWrite(db sql.Database, slot Slot, stateRoot string, blockRoot string, parentBlockRoot string,
+	eth1DataBlockHash string, payloadHeader *ExecutionPayloadHeader, status string, rawSignedBeaconBlock *[]byte, rawBeaconState *[]byte, metrics *BeaconClientMetrics) (*DatabaseWriter, error) {
+	ctx := context.Background()
+	tx, err := db.Begin(ctx)
+	if err != nil {
+		loghelper.LogError(err).Error("We are unable to Begin a SQL transaction")
+	}
 	dw := &DatabaseWriter{
 		Db:                   db,
+		Tx:                   tx,
+		Ctx:                  ctx,
 		rawBeaconState:       rawBeaconState,
 		rawSignedBeaconBlock: rawSignedBeaconBlock,
 		Metrics:              metrics,
 	}
 	dw.prepareSlotsModel(slot, stateRoot, blockRoot, status)
-	err := dw.prepareSignedBeaconBlockModel(slot, blockRoot, parentBlockRoot, eth1BlockHash)
+	err = dw.prepareSignedBeaconBlockModel(slot, blockRoot, parentBlockRoot, eth1DataBlockHash, payloadHeader)
 	if err != nil {
 		return nil, err
 	}
@@ -95,11 +127,11 @@ func CreateDatabaseWrite(db sql.Database, slot int, stateRoot string, blockRoot
 
 // Write functions to write each all together...
 // Should I do one atomic write?
-// Create the model for the ethcl.slots table
-func (dw *DatabaseWriter) prepareSlotsModel(slot int, stateRoot string, blockRoot string, status string) {
+// Create the model for the eth_beacon.slots table
+func (dw *DatabaseWriter) prepareSlotsModel(slot Slot, stateRoot string, blockRoot string, status string) {
 	dw.DbSlots = &DbSlots{
 		Epoch:     calculateEpoch(slot, bcSlotsPerEpoch),
-		Slot:      strconv.Itoa(slot),
+		Slot:      slot.Number(),
 		StateRoot: stateRoot,
 		BlockRoot: blockRoot,
 		Status:    status,
@@ -108,31 +140,46 @@ func (dw *DatabaseWriter) prepareSlotsModel(slot int, stateRoot string, blockRoo
 
 }
 
-// Create the model for the ethcl.signed_beacon_block table.
-func (dw *DatabaseWriter) prepareSignedBeaconBlockModel(slot int, blockRoot string, parentBlockRoot string, eth1BlockHash string) error {
+// Create the model for the eth_beacon.signed_block table.
+func (dw *DatabaseWriter) prepareSignedBeaconBlockModel(slot Slot, blockRoot string, parentBlockRoot string, eth1DataBlockHash string,
+	payloadHeader *ExecutionPayloadHeader) error {
 	mhKey, err := MultihashKeyFromSSZRoot([]byte(dw.DbSlots.BlockRoot))
 	if err != nil {
 		return err
 	}
 	dw.DbSignedBeaconBlock = &DbSignedBeaconBlock{
-		Slot:          strconv.Itoa(slot),
-		BlockRoot:     blockRoot,
-		ParentBlock:   parentBlockRoot,
-		Eth1BlockHash: eth1BlockHash,
-		MhKey:         mhKey,
+		Slot:                   slot.Number(),
+		BlockRoot:              blockRoot,
+		ParentBlock:            parentBlockRoot,
+		Eth1DataBlockHash:      eth1DataBlockHash,
+		MhKey:                  mhKey,
+		ExecutionPayloadHeader: nil,
 	}
+
+	if nil != payloadHeader {
+		dw.DbSignedBeaconBlock.ExecutionPayloadHeader = &DbExecutionPayloadHeader{
+			BlockNumber:      uint64(payloadHeader.BlockNumber),
+			Timestamp:        uint64(payloadHeader.Timestamp),
+			BlockHash:        toHex(payloadHeader.BlockHash),
+			ParentHash:       toHex(payloadHeader.ParentHash),
+			StateRoot:        toHex(payloadHeader.StateRoot),
+			ReceiptsRoot:     toHex(payloadHeader.ReceiptsRoot),
+			TransactionsRoot: toHex(payloadHeader.TransactionsRoot),
+		}
+	}
+
 	log.Debug("dw.DbSignedBeaconBlock: ", dw.DbSignedBeaconBlock)
 	return nil
 }
 
-// Create the model for the ethcl.beacon_state table.
-func (dw *DatabaseWriter) prepareBeaconStateModel(slot int, stateRoot string) error {
+// Create the model for the eth_beacon.state table.
+func (dw *DatabaseWriter) prepareBeaconStateModel(slot Slot, stateRoot string) error {
 	mhKey, err := MultihashKeyFromSSZRoot([]byte(dw.DbSlots.StateRoot))
 	if err != nil {
 		return err
 	}
 	dw.DbBeaconState = &DbBeaconState{
-		Slot:      strconv.Itoa(slot),
+		Slot:      slot.Number(),
 		StateRoot: stateRoot,
 		MhKey:     mhKey,
 	}
@@ -140,49 +187,72 @@ func (dw *DatabaseWriter) prepareBeaconStateModel(slot int, stateRoot string) er
 	return nil
 }
 
-// Write all the data for a given slot.
-func (dw *DatabaseWriter) writeFullSlot() error {
+// Add all the data for a given slot to a SQL transaction.
+// Originally it wrote to each table individually.
+func (dw *DatabaseWriter) transactFullSlot() error {
 	// If an error occurs, write to knownGaps table.
 	log.WithFields(log.Fields{
 		"slot": dw.DbSlots.Slot,
 	}).Debug("Starting to write to the DB.")
-	err := dw.writeSlots()
+	err := dw.transactSlots()
 	if err != nil {
+		loghelper.LogSlotError(dw.DbSlots.Slot, err).Error("We couldn't write to the eth_beacon.slots table...")
 		return err
 	}
+	log.Debug("We finished writing to the eth_beacon.slots table.")
 	if dw.DbSlots.Status != "skipped" {
-		err = dw.writeSignedBeaconBlocks()
+		//errG, _ := errgroup.WithContext(context.Background())
+		//errG.Go(func() error {
+		//	return dw.transactSignedBeaconBlocks()
+		//})
+		//errG.Go(func() error {
+		//	return dw.transactBeaconState()
+		//})
+		//if err := errG.Wait(); err != nil {
+		//	loghelper.LogSlotError(dw.DbSlots.Slot, err).Error("We couldn't write to the eth_beacon block or state table...")
+		//	return err
+		//}
+		// Might want to seperate writing to public.blocks so we can do this concurrently...
+		// Cant concurrently write because we are using a transaction.
+		err := dw.transactSignedBeaconBlocks()
 		if err != nil {
+			loghelper.LogSlotError(dw.DbSlots.Slot, err).Error("We couldn't write to the eth_beacon block table...")
 			return err
 		}
-		err = dw.writeBeaconState()
+		err = dw.transactBeaconState()
 		if err != nil {
+			loghelper.LogSlotError(dw.DbSlots.Slot, err).Error("We couldn't write to the eth_beacon state table...")
 			return err
 		}
 	}
-	dw.Metrics.IncrementHeadTrackingInserts(1)
+	dw.Metrics.IncrementSlotInserts(1)
 	return nil
 }
 
-// Write the information for the generic slots table. For now this is only one function.
+// Add data for the eth_beacon.slots table to a transaction. For now this is only one function.
 // But in the future if we need to incorporate any FK's or perform any actions to write to the
 // slots table we can do it all here.
-func (dw *DatabaseWriter) writeSlots() error {
+func (dw *DatabaseWriter) transactSlots() error {
 	return dw.upsertSlots()
 }
 
-// Upsert to the ethcl.slots table.
+// Upsert to the eth_beacon.slots table.
 func (dw *DatabaseWriter) upsertSlots() error {
-	_, err := dw.Db.Exec(context.Background(), UpsertSlotsStmt, dw.DbSlots.Epoch, dw.DbSlots.Slot, dw.DbSlots.BlockRoot, dw.DbSlots.StateRoot, dw.DbSlots.Status)
+	_, err := dw.Tx.Exec(dw.Ctx, UpsertSlotsStmt, dw.DbSlots.Epoch, dw.DbSlots.Slot, dw.DbSlots.BlockRoot, dw.DbSlots.StateRoot, dw.DbSlots.Status)
 	if err != nil {
-		loghelper.LogSlotError(dw.DbSlots.Slot, err).Error("Unable to write to the slot to the ethcl.slots table")
+		loghelper.LogSlotError(dw.DbSlots.Slot, err).Error("Unable to write to the slot to the eth_beacon.slots table")
 		return err
 	}
 	return nil
 }
 
-// Write the information for the signed_beacon_block.
-func (dw *DatabaseWriter) writeSignedBeaconBlocks() error {
+// Add the information for the signed_block to a transaction.
+func (dw *DatabaseWriter) transactSignedBeaconBlocks() error {
+	if nil == dw.rawSignedBeaconBlock || len(*dw.rawSignedBeaconBlock) == 0 {
+		log.Warn("Skipping writing of empty BeaconBlock.")
+		return nil
+	}
+
 	err := dw.upsertPublicBlocks(dw.DbSignedBeaconBlock.MhKey, dw.rawSignedBeaconBlock)
 	if err != nil {
 		return err
@@ -195,8 +265,8 @@ func (dw *DatabaseWriter) writeSignedBeaconBlocks() error {
 }
 
 // Upsert to public.blocks.
-func (dw *DatabaseWriter) upsertPublicBlocks(key string, data []byte) error {
-	_, err := dw.Db.Exec(context.Background(), UpsertBlocksStmt, key, data)
+func (dw *DatabaseWriter) upsertPublicBlocks(key string, data *[]byte) error {
+	_, err := dw.Tx.Exec(dw.Ctx, UpsertBlocksStmt, key, *data)
 	if err != nil {
 		loghelper.LogSlotError(dw.DbSlots.Slot, err).Error("Unable to write to the slot to the public.blocks table")
 		return err
@@ -204,18 +274,50 @@ func (dw *DatabaseWriter) upsertPublicBlocks(key string, data []byte) error {
 	return nil
 }
 
-// Upsert to the ethcl.signed_beacon_block table.
+// Upsert to the eth_beacon.signed_block table.
 func (dw *DatabaseWriter) upsertSignedBeaconBlock() error {
-	_, err := dw.Db.Exec(context.Background(), UpsertSignedBeaconBlockStmt, dw.DbSignedBeaconBlock.Slot, dw.DbSignedBeaconBlock.BlockRoot, dw.DbSignedBeaconBlock.ParentBlock, dw.DbSignedBeaconBlock.Eth1BlockHash, dw.DbSignedBeaconBlock.MhKey)
+	block := dw.DbSignedBeaconBlock
+	var err error
+	if nil != block.ExecutionPayloadHeader {
+		_, err = dw.Tx.Exec(dw.Ctx,
+			UpsertSignedBeaconBlockWithPayloadStmt,
+			block.Slot,
+			block.BlockRoot,
+			block.ParentBlock,
+			block.Eth1DataBlockHash,
+			block.MhKey,
+			block.ExecutionPayloadHeader.BlockNumber,
+			block.ExecutionPayloadHeader.Timestamp,
+			block.ExecutionPayloadHeader.BlockHash,
+			block.ExecutionPayloadHeader.ParentHash,
+			block.ExecutionPayloadHeader.StateRoot,
+			block.ExecutionPayloadHeader.ReceiptsRoot,
+			block.ExecutionPayloadHeader.TransactionsRoot,
+		)
+	} else {
+		_, err = dw.Tx.Exec(dw.Ctx,
+			UpsertSignedBeaconBlockStmt,
+			block.Slot,
+			block.BlockRoot,
+			block.ParentBlock,
+			block.Eth1DataBlockHash,
+			block.MhKey,
+		)
+	}
 	if err != nil {
-		loghelper.LogSlotError(dw.DbSlots.Slot, err).WithFields(log.Fields{"block_root": dw.DbSignedBeaconBlock.BlockRoot}).Error("Unable to write to the slot to the ethcl.signed_beacon_block table")
+		loghelper.LogSlotError(dw.DbSlots.Slot, err).WithFields(log.Fields{"block_root": block.BlockRoot}).Error("Unable to write to the slot to the eth_beacon.signed_block table")
 		return err
 	}
 	return nil
 }
 
-// Write the information for the beacon_state.
-func (dw *DatabaseWriter) writeBeaconState() error {
+// Add the information for the state to a transaction.
+func (dw *DatabaseWriter) transactBeaconState() error {
+	if nil == dw.rawBeaconState || len(*dw.rawBeaconState) == 0 {
+		log.Warn("Skipping writing of empty BeaconState.")
+		return nil
+	}
+
 	err := dw.upsertPublicBlocks(dw.DbBeaconState.MhKey, dw.rawBeaconState)
 	if err != nil {
 		return err
@@ -227,168 +329,197 @@ func (dw *DatabaseWriter) writeBeaconState() error {
 	return nil
 }
 
-// Upsert to the ethcl.beacon_state table.
+// Upsert to the eth_beacon.state table.
 func (dw *DatabaseWriter) upsertBeaconState() error {
-	_, err := dw.Db.Exec(context.Background(), UpsertBeaconState, dw.DbBeaconState.Slot, dw.DbBeaconState.StateRoot, dw.DbBeaconState.MhKey)
+	_, err := dw.Tx.Exec(dw.Ctx, UpsertBeaconState, dw.DbBeaconState.Slot, dw.DbBeaconState.StateRoot, dw.DbBeaconState.MhKey)
 	if err != nil {
-		loghelper.LogSlotError(dw.DbSlots.Slot, err).Error("Unable to write to the slot to the ethcl.beacon_state table")
+		loghelper.LogSlotError(dw.DbSlots.Slot, err).Error("Unable to write to the slot to the eth_beacon.state table")
 		return err
 	}
 	return nil
 }
 
-// Update a given slot to be marked as forked. Provide the slot and the latest latestBlockRoot.
+// Update a given slot to be marked as forked within a transaction. Provide the slot and the latest latestBlockRoot.
 // We will mark all entries for the given slot that don't match the provided latestBlockRoot as forked.
-func writeReorgs(db sql.Database, slot string, latestBlockRoot string, metrics *BeaconClientMetrics) {
-	slotNum, strErr := strconv.Atoi(slot)
-	if strErr != nil {
-		loghelper.LogReorgError(slot, latestBlockRoot, strErr).Error("We can't convert the slot to an int...")
-	}
-
-	forkCount, err := updateForked(db, slot, latestBlockRoot)
+func transactReorgs(tx sql.Tx, ctx context.Context, slot Slot, latestBlockRoot string, metrics *BeaconClientMetrics) {
+	forkCount, err := updateForked(tx, ctx, slot, latestBlockRoot)
 	if err != nil {
-		loghelper.LogReorgError(slot, latestBlockRoot, err).Error("We ran into some trouble while updating all forks.")
-		writeKnownGaps(db, 1, slotNum, slotNum, err, "reorg", metrics)
+		loghelper.LogReorgError(slot.Number(), latestBlockRoot, err).Error("We ran into some trouble while updating all forks.")
+		transactKnownGaps(tx, ctx, 1, slot, slot, err, "reorg", metrics)
 	}
-	proposedCount, err := updateProposed(db, slot, latestBlockRoot)
+	proposedCount, err := updateProposed(tx, ctx, slot, latestBlockRoot)
 	if err != nil {
-		loghelper.LogReorgError(slot, latestBlockRoot, err).Error("We ran into some trouble while trying to update the proposed slot.")
-		writeKnownGaps(db, 1, slotNum, slotNum, err, "reorg", metrics)
+		loghelper.LogReorgError(slot.Number(), latestBlockRoot, err).Error("We ran into some trouble while trying to update the proposed slot.")
+		transactKnownGaps(tx, ctx, 1, slot, slot, err, "reorg", metrics)
 	}
 
 	if forkCount > 0 {
-		loghelper.LogReorg(slot, latestBlockRoot).WithFields(log.Fields{
+		loghelper.LogReorg(slot.Number(), latestBlockRoot).WithFields(log.Fields{
 			"forkCount": forkCount,
 		}).Info("Updated rows that were forked.")
 	} else {
-		loghelper.LogReorg(slot, latestBlockRoot).WithFields(log.Fields{
+		loghelper.LogReorg(slot.Number(), latestBlockRoot).WithFields(log.Fields{
 			"forkCount": forkCount,
 		}).Warn("There were no forked rows to update.")
 	}
 
 	if proposedCount == 1 {
-		loghelper.LogReorg(slot, latestBlockRoot).WithFields(log.Fields{
+		loghelper.LogReorg(slot.Number(), latestBlockRoot).WithFields(log.Fields{
 			"proposedCount": proposedCount,
 		}).Info("Updated the row that should have been marked as proposed.")
 	} else if proposedCount > 1 {
-		loghelper.LogReorg(slot, latestBlockRoot).WithFields(log.Fields{
+		loghelper.LogReorg(slot.Number(), latestBlockRoot).WithFields(log.Fields{
 			"proposedCount": proposedCount,
 		}).Error("Too many rows were marked as proposed!")
-		writeKnownGaps(db, 1, slotNum, slotNum, err, "reorg", metrics)
+		transactKnownGaps(tx, ctx, 1, slot, slot, fmt.Errorf("Too many rows were marked as unproposed."), "reorg", metrics)
 	} else if proposedCount == 0 {
-		var count int
-		err := db.QueryRow(context.Background(), CheckProposedStmt, slot, latestBlockRoot).Scan(count)
-		if err != nil {
-			loghelper.LogReorgError(slot, latestBlockRoot, err).Error("Unable to query proposed rows after reorg.")
-			writeKnownGaps(db, 1, slotNum, slotNum, err, "reorg", metrics)
-		} else if count != 1 {
-			loghelper.LogReorg(slot, latestBlockRoot).WithFields(log.Fields{
-				"proposedCount": count,
-			}).Warn("The proposed block was not marked as proposed...")
-			writeKnownGaps(db, 1, slotNum, slotNum, err, "reorg", metrics)
-		} else {
-			loghelper.LogReorg(slot, latestBlockRoot).Info("Updated the row that should have been marked as proposed.")
-		}
+		transactKnownGaps(tx, ctx, 1, slot, slot, fmt.Errorf("Unable to find properly proposed row in DB"), "reorg", metrics)
+		loghelper.LogReorg(slot.Number(), latestBlockRoot).Info("Updated the row that should have been marked as proposed.")
 	}
 
-	metrics.IncrementHeadTrackingReorgs(1)
+	metrics.IncrementReorgsInsert(1)
+}
+
+// Wrapper function that will create a transaction and execute the function.
+func writeReorgs(db sql.Database, slot Slot, latestBlockRoot string, metrics *BeaconClientMetrics) {
+	ctx := context.Background()
+	tx, err := db.Begin(ctx)
+	if err != nil {
+		loghelper.LogReorgError(slot.Number(), latestBlockRoot, err).Fatal("Unable to create a new transaction for reorgs")
+	}
+	defer func() {
+		err := tx.Rollback(ctx)
+		if err != nil && err != pgx.ErrTxClosed {
+			loghelper.LogError(err).Error("We were unable to Rollback a transaction for reorgs")
+		}
+	}()
+	transactReorgs(tx, ctx, slot, latestBlockRoot, metrics)
+	if err = tx.Commit(ctx); err != nil {
+		loghelper.LogReorgError(slot.Number(), latestBlockRoot, err).Fatal("Unable to execute the transaction for reorgs")
+	}
 }
 
 // Update the slots table by marking the old slot's as forked.
-func updateForked(db sql.Database, slot string, latestBlockRoot string) (int64, error) {
-	res, err := db.Exec(context.Background(), UpdateForkedStmt, slot, latestBlockRoot)
+func updateForked(tx sql.Tx, ctx context.Context, slot Slot, latestBlockRoot string) (int64, error) {
+	res, err := tx.Exec(ctx, UpdateForkedStmt, slot, latestBlockRoot)
 	if err != nil {
-		loghelper.LogReorgError(slot, latestBlockRoot, err).Error("We are unable to update the ethcl.slots table with the forked slots")
+		loghelper.LogReorgError(slot.Number(), latestBlockRoot, err).Error("We are unable to update the eth_beacon.slots table with the forked slots")
 		return 0, err
 	}
 	count, err := res.RowsAffected()
 	if err != nil {
-		loghelper.LogReorgError(slot, latestBlockRoot, err).Error("Unable to figure out how many entries were marked as forked.")
+		loghelper.LogReorgError(slot.Number(), latestBlockRoot, err).Error("Unable to figure out how many entries were marked as forked.")
 		return 0, err
 	}
 	return count, err
 }
 
-func updateProposed(db sql.Database, slot string, latestBlockRoot string) (int64, error) {
-	res, err := db.Exec(context.Background(), UpdateProposedStmt, slot, latestBlockRoot)
+// Mark a slot as proposed.
+func updateProposed(tx sql.Tx, ctx context.Context, slot Slot, latestBlockRoot string) (int64, error) {
+	res, err := tx.Exec(ctx, UpdateProposedStmt, slot, latestBlockRoot)
 	if err != nil {
-		loghelper.LogReorgError(slot, latestBlockRoot, err).Error("We are unable to update the ethcl.slots table with the proposed slot.")
+		loghelper.LogReorgError(slot.Number(), latestBlockRoot, err).Error("We are unable to update the eth_beacon.slots table with the proposed slot.")
 		return 0, err
 	}
 	count, err := res.RowsAffected()
 	if err != nil {
-		loghelper.LogReorgError(slot, latestBlockRoot, err).Error("Unable to figure out how many entries were marked as proposed")
+		loghelper.LogReorgError(slot.Number(), latestBlockRoot, err).Error("Unable to figure out how many entries were marked as proposed")
 		return 0, err
 	}
 
 	return count, err
 }
 
-// A wrapper function to call upsertKnownGaps. This function will break down the range of known_gaos into
+// A wrapper function to call upsertKnownGaps. This function will break down the range of known_gaps into
 // smaller chunks. For example, instead of having an entry of 1-101, if we increment the entries by 10 slots, we would
 // have 10 entries as follows: 1-10, 11-20, etc...
-func writeKnownGaps(db sql.Database, tableIncrement int, startSlot int, endSlot int, entryError error, entryProcess string, metric *BeaconClientMetrics) {
-	if endSlot-startSlot <= tableIncrement {
+func transactKnownGaps(tx sql.Tx, ctx context.Context, tableIncrement int, startSlot Slot, endSlot Slot, entryError error, entryProcess string, metric *BeaconClientMetrics) {
+	var entryErrorMsg string
+	if entryError == nil {
+		entryErrorMsg = ""
+	} else {
+		entryErrorMsg = entryError.Error()
+	}
+	if endSlot.Number()-startSlot.Number() <= uint64(tableIncrement) {
 		kgModel := DbKnownGaps{
-			StartSlot:         strconv.Itoa(startSlot),
-			EndSlot:           strconv.Itoa(endSlot),
+			StartSlot:         startSlot.Number(),
+			EndSlot:           endSlot.Number(),
 			CheckedOut:        false,
 			ReprocessingError: "",
-			EntryError:        entryError.Error(),
+			EntryError:        entryErrorMsg,
 			EntryProcess:      entryProcess,
 		}
-		upsertKnownGaps(db, kgModel, metric)
+		upsertKnownGaps(tx, ctx, kgModel, metric)
 	} else {
-		totalSlots := endSlot - startSlot
+		totalSlots := endSlot.Number() - startSlot.Number()
 		var chunks int
-		chunks = totalSlots / tableIncrement
-		if totalSlots%tableIncrement != 0 {
+		chunks = int(totalSlots / uint64(tableIncrement))
+		if totalSlots%uint64(tableIncrement) != 0 {
 			chunks = chunks + 1
 		}
 
 		for i := 0; i < chunks; i++ {
-			var tempStart, tempEnd int
-			tempStart = startSlot + (i * tableIncrement)
+			var tempStart, tempEnd Slot
+			tempStart = startSlot.PlusInt(i * tableIncrement)
 			if i+1 == chunks {
 				tempEnd = endSlot
 			} else {
-				tempEnd = startSlot + ((i + 1) * tableIncrement)
+				tempEnd = startSlot.PlusInt((i + 1) * tableIncrement)
 			}
 			kgModel := DbKnownGaps{
-				StartSlot:         strconv.Itoa(tempStart),
-				EndSlot:           strconv.Itoa(tempEnd),
+				StartSlot:         tempStart.Number(),
+				EndSlot:           tempEnd.Number(),
 				CheckedOut:        false,
 				ReprocessingError: "",
-				EntryError:        entryError.Error(),
+				EntryError:        entryErrorMsg,
 				EntryProcess:      entryProcess,
 			}
-			upsertKnownGaps(db, kgModel, metric)
+			upsertKnownGaps(tx, ctx, kgModel, metric)
 		}
 	}
-
 }
 
-// A function to upsert a single entry to the ethcl.known_gaps table.
-func upsertKnownGaps(db sql.Database, knModel DbKnownGaps, metric *BeaconClientMetrics) {
-	_, err := db.Exec(context.Background(), UpsertKnownGapsStmt, knModel.StartSlot, knModel.EndSlot,
+// Wrapper function, instead of adding the knownGaps entries to a transaction, it will
+// create the transaction and write it.
+func writeKnownGaps(db sql.Database, tableIncrement int, startSlot Slot, endSlot Slot, entryError error, entryProcess string, metric *BeaconClientMetrics) {
+	ctx := context.Background()
+	tx, err := db.Begin(ctx)
+	if err != nil {
+		loghelper.LogSlotRangeError(startSlot.Number(), endSlot.Number(), err).Fatal("Unable to create a new transaction for knownGaps")
+	}
+	defer func() {
+		err := tx.Rollback(ctx)
+		if err != nil && err != pgx.ErrTxClosed {
+			loghelper.LogError(err).Error("We were unable to Rollback a transaction for reorgs")
+		}
+	}()
+	transactKnownGaps(tx, ctx, tableIncrement, startSlot, endSlot, entryError, entryProcess, metric)
+	if err = tx.Commit(ctx); err != nil {
+		loghelper.LogSlotRangeError(startSlot.Number(), endSlot.Number(), err).Fatal("Unable to execute the transaction for knownGaps")
+	}
+}
+
+// A function to upsert a single entry to the eth_beacon.known_gaps table.
+func upsertKnownGaps(tx sql.Tx, ctx context.Context, knModel DbKnownGaps, metric *BeaconClientMetrics) {
+	_, err := tx.Exec(ctx, UpsertKnownGapsStmt, knModel.StartSlot, knModel.EndSlot,
 		knModel.CheckedOut, knModel.ReprocessingError, knModel.EntryError, knModel.EntryProcess)
 	if err != nil {
 		log.WithFields(log.Fields{
 			"err":       err,
 			"startSlot": knModel.StartSlot,
 			"endSlot":   knModel.EndSlot,
-		}).Fatal("We are unable to write to the ethcl.known_gaps table!!! We will stop the application because of that.")
+		}).Fatal("We are unable to write to the eth_beacon.known_gaps table!!! We will stop the application because of that.")
 	}
 	log.WithFields(log.Fields{
 		"startSlot": knModel.StartSlot,
 		"endSlot":   knModel.EndSlot,
-	}).Warn("A new gap has been added to the ethcl.known_gaps table.")
-	metric.IncrementHeadTrackingKnownGaps(1)
+	}).Warn("A new gap has been added to the eth_beacon.known_gaps table.")
+	metric.IncrementKnownGapsInserts(1)
 }
 
 // A function to write the gap between the highest slot in the DB and the first processed slot.
-func writeStartUpGaps(db sql.Database, tableIncrement int, firstSlot int, metric *BeaconClientMetrics) {
-	var maxSlot int
+func writeStartUpGaps(db sql.Database, tableIncrement int, firstSlot Slot, metric *BeaconClientMetrics) {
+	var maxSlot Slot
 	err := db.QueryRow(context.Background(), QueryHighestSlotStmt).Scan(&maxSlot)
 	if err != nil {
 		loghelper.LogError(err).Fatal("Unable to get the max block from the DB. We must close the application or we might have undetected gaps.")
@@ -400,12 +531,121 @@ func writeStartUpGaps(db sql.Database, tableIncrement int, firstSlot int, metric
 		}).Fatal("Unable to get convert max block from DB to int. We must close the application or we might have undetected gaps.")
 	}
 	if maxSlot != firstSlot-1 {
-		writeKnownGaps(db, tableIncrement, maxSlot+1, firstSlot-1, fmt.Errorf(""), "startup", metric)
+		if maxSlot < firstSlot-1 {
+			if maxSlot == 0 {
+				writeKnownGaps(db, tableIncrement, maxSlot, firstSlot-1, fmt.Errorf(""), "startup", metric)
+			} else {
+				writeKnownGaps(db, tableIncrement, maxSlot+1, firstSlot-1, fmt.Errorf(""), "startup", metric)
+			}
+		} else {
+			log.WithFields(log.Fields{
+				"maxSlot":   maxSlot,
+				"firstSlot": firstSlot,
+			}).Warn("The maxSlot in the DB is greater than or equal to the first Slot we are processing.")
+		}
 	}
 }
 
-// A quick helper function to calculate the epoch.
-func calculateEpoch(slot int, slotPerEpoch int) string {
-	epoch := slot / slotPerEpoch
-	return strconv.Itoa(epoch)
+// A function to update a knownGap range with a reprocessing error.
+func updateKnownGapErrors(db sql.Database, startSlot Slot, endSlot Slot, reprocessingErr error, metric *BeaconClientMetrics) error {
+	res, err := db.Exec(context.Background(), UpsertKnownGapsErrorStmt, startSlot, endSlot, reprocessingErr.Error())
+	if err != nil {
+		loghelper.LogSlotRangeError(startSlot.Number(), endSlot.Number(), err).Error("Unable to update reprocessing_error")
+		return err
+	}
+	row, err := res.RowsAffected()
+	if err != nil {
+		loghelper.LogSlotRangeError(startSlot.Number(), endSlot.Number(), err).Error("Unable to count rows affected when trying to update reprocessing_error.")
+		return err
+	}
+	if row != 1 {
+		loghelper.LogSlotRangeError(startSlot.Number(), endSlot.Number(), err).WithFields(log.Fields{
+			"rowCount": row,
+		}).Error("The rows affected by the upsert for reprocessing_error is not 1.")
+		metric.IncrementKnownGapsReprocessError(1)
+		return err
+	}
+	metric.IncrementKnownGapsReprocessError(1)
+	return nil
+}
+
+// A quick helper function to calculate the epoch.
+func calculateEpoch(slot Slot, slotPerEpoch uint64) uint64 {
+	return slot.Number() / slotPerEpoch
+}
+
+// A helper function to check to see if the slot is processed.
+func isSlotProcessed(db sql.Database, checkProcessStmt string, slot Slot) (bool, error) {
+	processRow, err := db.Exec(context.Background(), checkProcessStmt, slot)
+	if err != nil {
+		return false, err
+	}
+	row, err := processRow.RowsAffected()
+	if err != nil {
+		return false, err
+	}
+	if row > 0 {
+		return true, nil
+	}
+	return false, nil
+}
+
+// Check to see if this slot is in the DB. Check eth_beacon.slots, eth_beacon.signed_block
+// and eth_beacon.state. If the slot exists, return true
+func IsSlotInDb(ctx context.Context, db sql.Database, slot Slot, blockRoot string, stateRoot string) (bool, error) {
+	var (
+		isInBeaconState       bool
+		isInSignedBeaconBlock bool
+	)
+	errG, _ := errgroup.WithContext(context.Background())
+	errG.Go(func() error {
+		select {
+		case <-ctx.Done():
+			return nil
+		default:
+			var err error
+			isInBeaconState, err = checkSlotAndRoot(db, CheckBeaconStateStmt, slot, stateRoot)
+			if err != nil {
+				loghelper.LogError(err).Error("Unable to check if the slot and stateroot exist in eth_beacon.state")
+			}
+			return err
+		}
+	})
+	errG.Go(func() error {
+		select {
+		case <-ctx.Done():
+			return nil
+		default:
+			var err error
+			isInSignedBeaconBlock, err = checkSlotAndRoot(db, CheckSignedBeaconBlockStmt, slot, blockRoot)
+			if err != nil {
+				loghelper.LogError(err).Error("Unable to check if the slot and block_root exist in eth_beacon.signed_block")
+			}
+			return err
+		}
+	})
+	if err := errG.Wait(); err != nil {
+		return false, err
+	}
+	if isInBeaconState && isInSignedBeaconBlock {
+		return true, nil
+	}
+	return false, nil
+}
+
+// Provide a statement, slot, and root, and this function will check to see
+// if the slot and root exist in the table.
+func checkSlotAndRoot(db sql.Database, statement string, slot Slot, root string) (bool, error) {
+	processRow, err := db.Exec(context.Background(), statement, slot, root)
+	if err != nil {
+		return false, err
+	}
+	row, err := processRow.RowsAffected()
+	if err != nil {
+		return false, err
+	}
+	if row > 0 {
+		return true, nil
+	}
+	return false, nil
 }

pkg/beaconclient/e2emerge_test.go

@@ -0,0 +1,225 @@
+package beaconclient_test
+
+import (
+	"context"
+	"encoding/hex"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/ethclient"
+	. "github.com/onsi/ginkgo/v2"
+	. "github.com/onsi/gomega"
+	"github.com/pkg/errors"
+	zcommon "github.com/protolambda/zrnt/eth2/beacon/common"
+	"github.com/protolambda/zrnt/eth2/configs"
+	"github.com/protolambda/ztyp/tree"
+	log "github.com/sirupsen/logrus"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/beaconclient"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/database/sql"
+	"math/big"
+	"os"
+	"strconv"
+	"time"
+)
+
+var _ = Describe("e2emerge", Label("e2e"), func() {
+	e2eConfig := TestConfig
+	e2eConfig.port = getEnvInt("TEST_E2E_LIGHTHOUSE_PORT", 5052)
+	e2eConfig.performBeaconStateProcessing = false
+	e2eConfig.performBeaconBlockProcessing = true
+
+	level, _ := log.ParseLevel("debug")
+	log.SetLevel(level)
+
+	Describe("Run the application against a Merge testnet", func() {
+		Context("When we send a TX to geth", func() {
+			It("We should see the TX included in the ExecutionPayload of a BeaconBlock", func() {
+				bc := setUpTest(e2eConfig, "0")
+				go bc.CaptureHead()
+
+				tx, _ := sendTestTx()
+				beaconBlock := waitForTxToBeIndexed(bc.Db, tx)
+				Expect(beaconBlock).ToNot(BeNil())
+			})
+		})
+	})
+})
+
+type SentTx struct {
+	hash      string
+	raw       []byte
+	blockNo   uint64
+	blockHash string
+	txIndex   uint
+}
+
+func (tx *SentTx) RawHex() string {
+	return "0x" + hex.EncodeToString(tx.raw)
+}
+
+func waitForTxToBeIndexed(db sql.Database, tx *SentTx) *beaconclient.DbSignedBeaconBlock {
+	var beaconBlock *beaconclient.DbSignedBeaconBlock = nil
+	for i := 0; i < 30; i++ {
+		time.Sleep(time.Second)
+		record := lookForTxInDb(db, tx)
+		if nil != record {
+			beaconBlock = record
+			log.Debugf("Found ETH1 TX %s in SignedBeaconBlock %d/%s", tx.hash, beaconBlock.Slot, beaconBlock.BlockRoot)
+			break
+		}
+	}
+	return beaconBlock
+}
+
+func lookForTxInDb(db sql.Database, tx *SentTx) *beaconclient.DbSignedBeaconBlock {
+	sqlStatement := `SELECT * FROM eth_beacon.signed_block WHERE 
+                                    payload_block_number = $1 AND
+                                    payload_block_hash = $2 AND
+                                    payload_transactions_root = $3`
+
+	// We can pre-calculate the root and query on it because we are only sending a single TX at a time.
+	// Otherwise we would need to lookup the root by block num+hash, then do a proof that its txs
+	// root includes our TX.
+	var ptxs = zcommon.PayloadTransactions{tx.raw}
+	txRoot := ptxs.HashTreeRoot(configs.Mainnet, tree.GetHashFn())
+
+	var slot uint64
+	var blockRoot, parentBlock, eth1DataBlockHash, mhKey string
+
+	var blockNumber, timestamp uint64
+	var blockHash, parentHash, stateRoot, receiptsRoot, transactionsRoot string
+
+	err := db.
+		QueryRow(context.Background(), sqlStatement, tx.blockNo, tx.blockHash, "0x"+hex.EncodeToString(txRoot[:])).
+		Scan(&slot, &blockRoot, &parentBlock, &eth1DataBlockHash, &mhKey,
+			&blockNumber, &timestamp, &blockHash, &parentHash, &stateRoot,
+			&receiptsRoot, &transactionsRoot)
+	if nil != err {
+		return nil
+	}
+
+	return &beaconclient.DbSignedBeaconBlock{
+		Slot:              slot,
+		BlockRoot:         blockRoot,
+		ParentBlock:       parentBlock,
+		Eth1DataBlockHash: eth1DataBlockHash,
+		MhKey:             mhKey,
+		ExecutionPayloadHeader: &beaconclient.DbExecutionPayloadHeader{
+			BlockNumber:      blockNumber,
+			Timestamp:        timestamp,
+			BlockHash:        blockHash,
+			ParentHash:       parentHash,
+			StateRoot:        stateRoot,
+			ReceiptsRoot:     receiptsRoot,
+			TransactionsRoot: transactionsRoot,
+		},
+	}
+}
+
+func sendTestTx() (*SentTx, error) {
+	ctx := context.Background()
+	eth, err := createClient()
+	Expect(err).ToNot(HaveOccurred())
+
+	//TODO: Pull from test config / env.
+	tx, err := sendTransaction(
+		ctx,
+		eth,
+		getEnvStr("TEST_E2E_FROM_ADDR", "0xe6ce22afe802caf5ff7d3845cec8c736ecc8d61f"),
+		getEnvStr("TEST_E2E_TO_ADDR", "0xe22AD83A0dE117bA0d03d5E94Eb4E0d80a69C62a"),
+		int64(getEnvInt("TEST_E2E_AMOUNT", 10)),
+		getEnvStr("TEST_E2E_SIGNING_KEY", "0x888814df89c4358d7ddb3fa4b0213e7331239a80e1f013eaa7b2deca2a41a218"),
+	)
+	Expect(err).ToNot(HaveOccurred())
+
+	txBin, err := tx.MarshalBinary()
+	Expect(err).ToNot(HaveOccurred())
+
+	for i := 0; i <= 30; i++ {
+		time.Sleep(time.Second)
+		receipt, _ := eth.TransactionReceipt(ctx, tx.Hash())
+		if nil != receipt {
+			sentTx := &SentTx{
+				hash:      tx.Hash().String(),
+				raw:       txBin,
+				blockNo:   receipt.BlockNumber.Uint64(),
+				blockHash: receipt.BlockHash.String(),
+				txIndex:   receipt.TransactionIndex,
+			}
+			log.Debugf("Sent ETH1 TX %s (Block No: %d, Block Hash: %s)", sentTx.hash, sentTx.blockNo, sentTx.blockHash)
+			return sentTx, nil
+		}
+	}
+
+	err = errors.New("Timed out waiting for TX.")
+	Expect(err).ToNot(HaveOccurred())
+	return nil, err
+}
+
+func createClient() (*ethclient.Client, error) {
+	return ethclient.Dial(getEnvStr("TEST_E2E_GETH_URL", "http://localhost:8545"))
+}
+
+// sendTransaction sends a transaction with 1 ETH to a specified address.
+func sendTransaction(ctx context.Context, eth *ethclient.Client, fromAddr string, toAddr string, amount int64, signingKey string) (*types.Transaction, error) {
+	var (
+		from     = common.HexToAddress(fromAddr)
+		to       = common.HexToAddress(toAddr)
+		sk       = crypto.ToECDSAUnsafe(common.FromHex(signingKey))
+		value    = big.NewInt(amount)
+		gasLimit = uint64(getEnvInt("TEST_E2E_GAS_LIMIT", 21000))
+	)
+	// Retrieve the chainid (needed for signer)
+	chainid, err := eth.ChainID(ctx)
+	if err != nil {
+		return nil, err
+	}
+	// Retrieve the pending nonce
+	nonce, err := eth.PendingNonceAt(ctx, from)
+	if err != nil {
+		return nil, err
+	}
+	// Get suggested gas price
+	tipCap, _ := eth.SuggestGasTipCap(ctx)
+	feeCap, _ := eth.SuggestGasPrice(ctx)
+	log.Info("Tip cap: ", tipCap)
+	log.Info("Fee cap: ", feeCap)
+	// Create a new transaction
+	tx := types.NewTx(
+		&types.DynamicFeeTx{
+			ChainID:   chainid,
+			Nonce:     nonce,
+			GasTipCap: tipCap,
+			GasFeeCap: feeCap,
+			Gas:       gasLimit,
+			To:        &to,
+			Value:     value,
+			Data:      nil,
+		})
+	// Sign the transaction using our keys
+	signedTx, _ := types.SignTx(tx, types.NewLondonSigner(chainid), sk)
+	// Send the transaction to our node
+	return signedTx, eth.SendTransaction(ctx, signedTx)
+}
+
+func getEnvStr(envVar string, def string) string {
+	value, set := os.LookupEnv(envVar)
+	if set {
+		return value
+	} else {
+		return def
+	}
+}
+
+func getEnvInt(envVar string, def int) int {
+	value, set := os.LookupEnv(envVar)
+	if set {
+		number, err := strconv.Atoi(value)
+		if err != nil {
+			return def
+		}
+		return number
+	} else {
+		return def
+	}
+}

pkg/beaconclient/eth2.0-spec-tests

@@ -0,0 +1 @@
+../../../external/eth2.0-spec-tests

pkg/beaconclient/healthcheck.go

@@ -20,7 +20,7 @@ import (
 	"net/http"
 
 	log "github.com/sirupsen/logrus"
-	"github.com/vulcanize/ipld-ethcl-indexer/pkg/loghelper"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/loghelper"
 )
 
 // This function will ensure that we can connect to the beacon client.

pkg/beaconclient/healthcheck_test.go

@@ -20,18 +20,26 @@ import (
 
 	. "github.com/onsi/ginkgo/v2"
 	. "github.com/onsi/gomega"
-	beaconclient "github.com/vulcanize/ipld-ethcl-indexer/pkg/beaconclient"
+	beaconclient "github.com/vulcanize/ipld-eth-beacon-indexer/pkg/beaconclient"
 )
 
 var _ = Describe("Healthcheck", func() {
 	var (
-		BC    = beaconclient.CreateBeaconClient(context.Background(), "http", "localhost", 5052)
-		errBc = beaconclient.CreateBeaconClient(context.Background(), "http", "blah-blah", 1010)
+		Bc    *beaconclient.BeaconClient
+		errBc *beaconclient.BeaconClient
 	)
+
+	BeforeEach(func() {
+		var err error
+		Bc, err = beaconclient.CreateBeaconClient(context.Background(), "http", "localhost", 5052, 10, bcUniqueIdentifier, false, true, true)
+		Expect(err).ToNot(HaveOccurred())
+		errBc, err = beaconclient.CreateBeaconClient(context.Background(), "http", "blah-blah", 1010, 10, bcUniqueIdentifier, false, true, true)
+		Expect(err).ToNot(HaveOccurred())
+	})
 	Describe("Connecting to the lighthouse client", Label("integration"), func() {
 		Context("When the client is running", func() {
 			It("We should connect successfully", func() {
-				err := BC.CheckBeaconClient()
+				err := Bc.CheckBeaconClient()
 				Expect(err).To(BeNil())
 			})
 		})

pkg/beaconclient/incomingsse.go

@@ -19,10 +19,11 @@ package beaconclient
 
 import (
 	"encoding/json"
+	"github.com/pkg/errors"
 	"time"
 
 	log "github.com/sirupsen/logrus"
-	"github.com/vulcanize/ipld-ethcl-indexer/pkg/loghelper"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/loghelper"
 	"golang.org/x/sync/errgroup"
 )
 
@@ -33,11 +34,11 @@ var (
 // This function will capture all the SSE events for a given SseEvents object.
 // When new messages come in, it will ensure that they are decoded into JSON.
 // If any errors occur, it log the error information.
-func handleIncomingSseEvent[P ProcessedEvents](eventHandler *SseEvents[P], errMetricInc func(uint64)) {
+func handleIncomingSseEvent[P ProcessedEvents](eventHandler *SseEvents[P], errMetricInc func(uint64), idleTimeout time.Duration) {
 	go func() {
 		errG := new(errgroup.Group)
 		errG.Go(func() error {
-			err := eventHandler.SseClient.SubscribeChanRaw(eventHandler.MessagesCh)
+			err := eventHandler.Connect()
 			if err != nil {
 				return err
 			}
@@ -54,9 +55,21 @@ func handleIncomingSseEvent[P ProcessedEvents](eventHandler *SseEvents[P], errMe
 		}
 
 	}()
+
+	// TODO(telackey): Doesn't there need to be a check here that the handler hasn't been shutdown?
 	for {
+		var idleTimer *time.Timer = nil
+		var idleTimerC <-chan time.Time = nil
+		if idleTimeout > 0 {
+			idleTimer = time.NewTimer(idleTimeout)
+			idleTimerC = idleTimer.C
+		}
+
 		select {
 		case message := <-eventHandler.MessagesCh:
+			if nil != idleTimer {
+				idleTimer.Stop()
+			}
 			// Message can be nil if its a keep-alive message
 			if len(message.Data) != 0 {
 				log.WithFields(log.Fields{"msg": string(message.Data)}).Debug("We are going to send the following message to be processed.")
@@ -64,6 +77,9 @@ func handleIncomingSseEvent[P ProcessedEvents](eventHandler *SseEvents[P], errMe
 			}
 
 		case headErr := <-eventHandler.ErrorCh:
+			if nil != idleTimer {
+				idleTimer.Stop()
+			}
 			log.WithFields(log.Fields{
 				"endpoint": eventHandler.Endpoint,
 				"err":      headErr.err,
@@ -71,6 +87,21 @@ func handleIncomingSseEvent[P ProcessedEvents](eventHandler *SseEvents[P], errMe
 			},
 			).Error("Unable to handle event.")
 			errMetricInc(1)
+
+		case <-idleTimerC:
+			err := errors.New("SSE idle timeout")
+			log.WithFields(log.Fields{
+				"endpoint": eventHandler.Endpoint,
+				"err":      err,
+				"msg":      err.Error(),
+			},
+			).Error("TIMEOUT - Attempting to resubscribe")
+			errMetricInc(1)
+			eventHandler.Disconnect()
+			err = eventHandler.Connect()
+			if err != nil {
+				log.Error("Unable to re-subscribe.", err)
+			}
 		}
 	}
 }
@@ -93,6 +124,6 @@ func processMsg[P ProcessedEvents](msg []byte, processCh chan<- *P, errorCh chan
 // Capture all of the event topics.
 func (bc *BeaconClient) captureEventTopic() {
 	log.Info("We are capturing all SSE events")
-	go handleIncomingSseEvent(bc.HeadTracking, bc.Metrics.IncrementHeadError)
-	go handleIncomingSseEvent(bc.ReOrgTracking, bc.Metrics.IncrementHeadReorgError)
+	go handleIncomingSseEvent(bc.HeadTracking, bc.Metrics.IncrementHeadError, time.Second*30)
+	go handleIncomingSseEvent(bc.ReOrgTracking, bc.Metrics.IncrementReorgError, 0)
 }

pkg/beaconclient/metrics.go

@@ -17,24 +17,112 @@ package beaconclient
 
 import (
 	"sync/atomic"
+
+	"github.com/prometheus/client_golang/prometheus"
+	log "github.com/sirupsen/logrus"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/loghelper"
 )
 
+// Create a metric struct and register each channel with prometheus
+func CreateBeaconClientMetrics() (*BeaconClientMetrics, error) {
+	metrics := &BeaconClientMetrics{
+		SlotInserts:             0,
+		ReorgInserts:            0,
+		KnownGapsInserts:        0,
+		KnownGapsProcessed:      0,
+		KnownGapsReprocessError: 0,
+		HeadError:               0,
+		HeadReorgError:          0,
+	}
+	err := prometheusRegisterHelper("slot_inserts", "Keeps track of the number of slots we have inserted.", &metrics.SlotInserts)
+	if err != nil {
+		return nil, err
+	}
+	err = prometheusRegisterHelper("reorg_inserts", "Keeps track of the number of reorgs we have inserted.", &metrics.ReorgInserts)
+	if err != nil {
+		return nil, err
+	}
+	err = prometheusRegisterHelper("known_gaps_inserts", "Keeps track of the number of known gaps we have inserted.", &metrics.KnownGapsInserts)
+	if err != nil {
+		return nil, err
+	}
+	err = prometheusRegisterHelper("known_gaps_reprocess_error", "Keeps track of the number of known gaps that had errors when reprocessing, but the error was updated successfully.", &metrics.KnownGapsReprocessError)
+	if err != nil {
+		return nil, err
+	}
+	err = prometheusRegisterHelper("known_gaps_processed", "Keeps track of the number of known gaps we successfully processed.", &metrics.KnownGapsProcessed)
+	if err != nil {
+		return nil, err
+	}
+	err = prometheusRegisterHelper("historic_slots_processed", "Keeps track of the number of historic slots we successfully processed.", &metrics.HistoricSlotProcessed)
+	if err != nil {
+		return nil, err
+	}
+	err = prometheusRegisterHelper("head_error", "Keeps track of the number of errors we had processing head messages.", &metrics.HeadError)
+	if err != nil {
+		return nil, err
+	}
+	err = prometheusRegisterHelper("head_reorg_error", "Keeps track of the number of errors we had processing reorg messages.", &metrics.HeadReorgError)
+	if err != nil {
+		return nil, err
+	}
+	return metrics, nil
+}
+
+func prometheusRegisterHelper(name string, help string, varPointer *uint64) error {
+	err := prometheus.Register(prometheus.NewCounterFunc(
+		prometheus.CounterOpts{
+			Namespace:   "beacon_client",
+			Subsystem:   "",
+			Name:        name,
+			Help:        help,
+			ConstLabels: map[string]string{},
+		},
+		func() float64 {
+			return float64(atomic.LoadUint64(varPointer))
+		}))
+	if err != nil && err.Error() != "duplicate metrics collector registration attempted" {
+		loghelper.LogError(err).WithField("name", name).Error("Unable to register counter.")
+		return err
+	}
+	return nil
+}
+
+// A structure utilized for keeping track of various metrics. Currently, mostly used in testing.
+type BeaconClientMetrics struct {
+	SlotInserts             uint64 // Number of head events we successfully wrote to the DB.
+	ReorgInserts            uint64 // Number of reorg events we successfully wrote to the DB.
+	KnownGapsInserts        uint64 // Number of known_gaps we successfully wrote to the DB.
+	KnownGapsProcessed      uint64 // Number of knownGaps processed.
+	KnownGapsReprocessError uint64 // Number of knownGaps that were updated with an error.
+	HistoricSlotProcessed   uint64 // Number of historic slots successfully processed.
+	HeadError               uint64 // Number of errors that occurred when decoding the head message.
+	HeadReorgError          uint64 // Number of errors that occurred when decoding the reorg message.
+}
+
 // Wrapper function to increment inserts. If we want to use mutexes later we can easily update all
 // occurrences here.
-func (m *BeaconClientMetrics) IncrementHeadTrackingInserts(inc uint64) {
-	atomic.AddUint64(&m.HeadTrackingInserts, inc)
+func (m *BeaconClientMetrics) IncrementSlotInserts(inc uint64) {
+	log.Debug("Incrementing Slot Insert")
+	atomic.AddUint64(&m.SlotInserts, inc)
 }
 
 // Wrapper function to increment reorgs. If we want to use mutexes later we can easily update all
 // occurrences here.
-func (m *BeaconClientMetrics) IncrementHeadTrackingReorgs(inc uint64) {
-	atomic.AddUint64(&m.HeadTrackingReorgs, inc)
+func (m *BeaconClientMetrics) IncrementReorgsInsert(inc uint64) {
+	atomic.AddUint64(&m.ReorgInserts, inc)
 }
 
 // Wrapper function to increment known gaps. If we want to use mutexes later we can easily update all
 // occurrences here.
-func (m *BeaconClientMetrics) IncrementHeadTrackingKnownGaps(inc uint64) {
-	atomic.AddUint64(&m.HeadTrackingKnownGaps, inc)
+func (m *BeaconClientMetrics) IncrementKnownGapsInserts(inc uint64) {
+	atomic.AddUint64(&m.KnownGapsInserts, inc)
+}
+
+// Wrapper function to increment known gaps processed. If we want to use mutexes later we can easily update all
+// occurrences here.
+func (m *BeaconClientMetrics) IncrementKnownGapsProcessed(inc uint64) {
+	atomic.AddUint64(&m.KnownGapsProcessed, inc)
 }
 
 // Wrapper function to increment head errors. If we want to use mutexes later we can easily update all
@@ -45,6 +133,18 @@ func (m *BeaconClientMetrics) IncrementHeadError(inc uint64) {
 
 // Wrapper function to increment reorg errors. If we want to use mutexes later we can easily update all
 // occurrences here.
-func (m *BeaconClientMetrics) IncrementHeadReorgError(inc uint64) {
+func (m *BeaconClientMetrics) IncrementReorgError(inc uint64) {
 	atomic.AddUint64(&m.HeadReorgError, inc)
 }
+
+// Wrapper function to increment the number of knownGaps that were updated with reprocessing errors.
+// If we want to use mutexes later we can easily update all occurrences here.
+func (m *BeaconClientMetrics) IncrementKnownGapsReprocessError(inc uint64) {
+	atomic.AddUint64(&m.KnownGapsReprocessError, inc)
+}
+
+// Wrapper function to increment the number of historicSlots that were processed successfully.
+// If we want to use mutexes later we can easily update all occurrences here.
+func (m *BeaconClientMetrics) IncrementHistoricSlotProcessed(inc uint64) {
+	atomic.AddUint64(&m.HistoricSlotProcessed, inc)
+}

pkg/beaconclient/models.go

@@ -51,36 +51,47 @@ type ChainReorg struct {
 	ExecutionOptimistic bool   `json:"execution_optimistic"`
 }
 
-// A struct to capture whats being written to the ethcl.slots table.
+// A struct to capture whats being written to the eth-beacon.slots table.
 type DbSlots struct {
-	Epoch     string // The epoch.
-	Slot      string // The slot.
+	Epoch     uint64 // The epoch.
+	Slot      uint64 // The slot.
 	BlockRoot string // The block root
 	StateRoot string // The state root
 	Status    string // The status, it can be proposed | forked | skipped.
 }
 
-// A struct to capture whats being written to ethcl.signed_beacon_block table.
-type DbSignedBeaconBlock struct {
-	Slot          string // The slot.
-	BlockRoot     string // The block root
-	ParentBlock   string // The parent block root.
-	Eth1BlockHash string // The eth1 block_hash
-	MhKey         string // The ipld multihash key.
-
+// A struct to handle the details of an embedded Eth1-block (ie, the ExecutionPayload)
+type DbExecutionPayloadHeader struct {
+	BlockNumber      uint64
+	Timestamp        uint64
+	BlockHash        string
+	ParentHash       string
+	StateRoot        string
+	ReceiptsRoot     string
+	TransactionsRoot string
 }
 
-// A struct to capture whats being written to ethcl.beacon_state table.
+// A struct to capture whats being written to eth-beacon.signed_block table.
+type DbSignedBeaconBlock struct {
+	Slot                   uint64                    // The slot.
+	BlockRoot              string                    // The block root
+	ParentBlock            string                    // The parent block root.
+	Eth1DataBlockHash      string                    // The eth1 block_hash
+	MhKey                  string                    // The ipld multihash key.
+	ExecutionPayloadHeader *DbExecutionPayloadHeader // The ExecutionPayloadHeader (after Bellatrix only).
+}
+
+// A struct to capture whats being written to eth-beacon.state table.
 type DbBeaconState struct {
-	Slot      string // The slot.
+	Slot      uint64 // The slot.
 	StateRoot string // The state root
 	MhKey     string // The ipld multihash key.
 }
 
-// A structure to capture whats being written to the ethcl.known_gaps table.
+// A structure to capture whats being written to the eth-beacon.known_gaps table.
 type DbKnownGaps struct {
-	StartSlot         string // The start slot for known_gaps, inclusive.
-	EndSlot           string // The end slot for known_gaps, inclusive.
+	StartSlot         uint64 // The start slot for known_gaps, inclusive.
+	EndSlot           uint64 // The end slot for known_gaps, inclusive.
 	CheckedOut        bool   // Indicates if any process is currently processing this entry.
 	ReprocessingError string // The error that occurred when attempting to reprocess these entries.
 	EntryError        string // The error that caused this entry to be added to the table. Could be null.

pkg/beaconclient/multihash.go

@@ -20,10 +20,10 @@ import (
 	dshelp "github.com/ipfs/go-ipfs-ds-help"
 	"github.com/multiformats/go-multihash"
 	log "github.com/sirupsen/logrus"
-	"github.com/vulcanize/ipld-ethcl-indexer/pkg/loghelper"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/loghelper"
 )
 
-const SSZ_SHA2_256_PREFIX uint64 = 0xb501
+const SSZ_SHA2_256_PREFIX uint64 = 0xb502
 
 // MultihashKeyFromSSZRoot converts a SSZ-SHA2-256 root hash into a blockstore prefixed multihash key
 func MultihashKeyFromSSZRoot(root []byte) (string, error) {

pkg/beaconclient/processevents.go

@@ -20,12 +20,8 @@ package beaconclient
 
 import (
 	"fmt"
-	"strconv"
-
 	log "github.com/sirupsen/logrus"
-	"github.com/vulcanize/ipld-ethcl-indexer/pkg/database/sql"
-	"github.com/vulcanize/ipld-ethcl-indexer/pkg/loghelper"
-	"golang.org/x/sync/errgroup"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/loghelper"
 )
 
 // This function will perform the necessary steps to handle a reorg.
@@ -34,7 +30,11 @@ func (bc *BeaconClient) handleReorg() {
 	for {
 		reorg := <-bc.ReOrgTracking.ProcessCh
 		log.WithFields(log.Fields{"reorg": reorg}).Debug("Received a new reorg message.")
-		writeReorgs(bc.Db, reorg.Slot, reorg.NewHeadBlock, bc.Metrics)
+		slot, err := ParseSlot(reorg.Slot)
+		if nil != err {
+			loghelper.LogSlotError(slot.Number(), err)
+		}
+		writeReorgs(bc.Db, slot, reorg.NewHeadBlock, bc.Metrics)
 	}
 }
 
@@ -45,7 +45,7 @@ func (bc *BeaconClient) handleHead() {
 	for {
 		head := <-bc.HeadTracking.ProcessCh
 		// Process all the work here.
-		slot, err := strconv.Atoi(head.Slot)
+		slot, err := ParseSlot(head.Slot)
 		if err != nil {
 			bc.HeadTracking.ErrorCh <- &SseError{
 				err: fmt.Errorf("Unable to turn the slot from string to int: %s", head.Slot),
@@ -56,26 +56,20 @@ func (bc *BeaconClient) handleHead() {
 		if errorSlots != 0 && bc.PreviousSlot != 0 {
 			log.WithFields(log.Fields{
 				"lastProcessedSlot": bc.PreviousSlot,
-				"errorMessages":     errorSlots,
+				"errorSlots":        errorSlots,
 			}).Warn("We added slots to the knownGaps table because we got bad head messages.")
-			writeKnownGaps(bc.Db, bc.KnownGapTableIncrement, bc.PreviousSlot, bcSlotsPerEpoch+errorSlots, fmt.Errorf("Bad Head Messages"), "headProcessing", bc.Metrics)
+			writeKnownGaps(bc.Db, bc.KnownGapTableIncrement, bc.PreviousSlot+1, slot, fmt.Errorf("Bad Head Messages"), "headProcessing", bc.Metrics)
+			errorSlots = 0
 		}
 
 		log.WithFields(log.Fields{"head": head}).Debug("We are going to start processing the slot.")
 
-		go func(db sql.Database, serverAddress string, slot int, blockRoot string, stateRoot string, previousSlot int, previousBlockRoot string, metrics *BeaconClientMetrics, knownGapsTableIncrement int) {
-			errG := new(errgroup.Group)
-			errG.Go(func() error {
-				err = processHeadSlot(db, serverAddress, slot, blockRoot, stateRoot, previousSlot, previousBlockRoot, metrics, knownGapsTableIncrement)
-				if err != nil {
-					return err
-				}
-				return nil
-			})
-			if err := errG.Wait(); err != nil {
-				loghelper.LogSlotError(strconv.Itoa(slot), err).Error("Unable to process a slot")
-			}
-		}(bc.Db, bc.ServerEndpoint, slot, head.Block, head.State, bc.PreviousSlot, bc.PreviousBlockRoot, bc.Metrics, bc.KnownGapTableIncrement)
+		// Not used anywhere yet but might be useful to have.
+		if bc.PreviousSlot == 0 && bc.PreviousBlockRoot == "" {
+			bc.StartingSlot = slot
+		}
+
+		go processHeadSlot(slot, head.Block, head.State, bc.SlotProcessingDetails())
 
 		log.WithFields(log.Fields{"head": head.Slot}).Debug("We finished calling processHeadSlot.")
 
@@ -83,5 +77,4 @@ func (bc *BeaconClient) handleHead() {
 		bc.PreviousSlot = slot
 		bc.PreviousBlockRoot = head.Block
 	}
-
 }

pkg/beaconclient/processhistoric.go

@@ -0,0 +1,269 @@
+// VulcanizeDB
+// Copyright © 2022 Vulcanize
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+// This file contains all the code to process historic slots.
+
+package beaconclient
+
+import (
+	"context"
+	"fmt"
+	"strconv"
+	"time"
+
+	"github.com/jackc/pgx/v4"
+	log "github.com/sirupsen/logrus"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/database/sql"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/loghelper"
+)
+
+var (
+	// Get a single highest priority and non-checked out row row from eth_beacon.historical_process
+	getHpEntryStmt string = `SELECT start_slot, end_slot FROM eth_beacon.historic_process
+	WHERE checked_out=false AND end_slot >= $1
+	ORDER BY priority ASC
+	LIMIT 1;`
+	// Used to periodically check to see if there is a new entry in the eth_beacon.historic_process table.
+	checkHpEntryStmt string = `SELECT * FROM eth_beacon.historic_process WHERE checked_out=false AND end_slot >= $1;`
+	// Used to checkout a row from the eth_beacon.historic_process table
+	lockHpEntryStmt string = `UPDATE eth_beacon.historic_process
+	SET checked_out=true, checked_out_by=$3
+	WHERE start_slot=$1 AND end_slot=$2;`
+	// Used to delete an entry from the eth_beacon.historic_process table
+	deleteHpEntryStmt string = `DELETE FROM eth_beacon.historic_process
+	WHERE start_slot=$1 AND end_slot=$2;`
+	// Used to update every single row that this node has checked out.
+	releaseHpLockStmt string = `UPDATE eth_beacon.historic_process
+	SET checked_out=false, checked_out_by=null
+	WHERE checked_out_by=$1`
+)
+
+type HistoricProcessing struct {
+	db                   sql.Database         //db connection
+	metrics              *BeaconClientMetrics // metrics for beaconclient
+	uniqueNodeIdentifier int                  // node unique identifier.
+}
+
+// Get a single row of historical slots from the table.
+func (hp HistoricProcessing) getSlotRange(ctx context.Context, slotCh chan<- slotsToProcess, minimumSlot Slot) []error {
+	return getBatchProcessRow(ctx, hp.db, getHpEntryStmt, checkHpEntryStmt, lockHpEntryStmt, slotCh, strconv.Itoa(hp.uniqueNodeIdentifier), minimumSlot)
+}
+
+// Remove the table entry.
+func (hp HistoricProcessing) removeTableEntry(ctx context.Context, processCh <-chan slotsToProcess) error {
+	return removeRowPostProcess(ctx, hp.db, processCh, QueryBySlotStmt, deleteHpEntryStmt)
+}
+
+// Remove the table entry.
+func (hp HistoricProcessing) handleProcessingErrors(ctx context.Context, errMessages <-chan batchHistoricError) {
+	for {
+		select {
+		case <-ctx.Done():
+			return
+		case errMs := <-errMessages:
+			loghelper.LogSlotError(errMs.slot.Number(), errMs.err)
+			writeKnownGaps(hp.db, 1, errMs.slot, errMs.slot, errMs.err, errMs.errProcess, hp.metrics)
+		}
+	}
+}
+
+// "un"-checkout the rows held by this DB in the eth_beacon.historical_process table.
+func (hp HistoricProcessing) releaseDbLocks() error {
+	log.Debug("Updating all the entries to eth_beacon.historical processing")
+	res, err := hp.db.Exec(context.Background(), releaseHpLockStmt, hp.uniqueNodeIdentifier)
+	if err != nil {
+		return fmt.Errorf("Unable to remove lock from eth_beacon.historical_processing table for node %d, error is %e", hp.uniqueNodeIdentifier, err)
+	}
+	log.Debug("Update all the entries to eth_beacon.historical processing")
+	rows, err := res.RowsAffected()
+	if err != nil {
+		return fmt.Errorf("Unable to calculated number of rows affected by releasing locks from eth_beacon.historical_processing table for node %d, error is %e", hp.uniqueNodeIdentifier, err)
+	}
+	log.WithField("rowCount", rows).Info("Released historicalProcess locks for specified rows.")
+	return nil
+}
+
+// Process the slot range.
+func processSlotRangeWorker(ctx context.Context, workCh <-chan Slot, errCh chan<- batchHistoricError, spd SlotProcessingDetails, incrementTracker func(uint64)) {
+	for {
+		select {
+		case <-ctx.Done():
+			return
+		case slot := <-workCh:
+			log.Debug("Handling slot: ", slot)
+			err, errProcess := handleHistoricSlot(ctx, slot, spd)
+			if err != nil {
+				errMs := batchHistoricError{
+					err:        err,
+					errProcess: errProcess,
+					slot:       slot,
+				}
+				errCh <- errMs
+			} else {
+				incrementTracker(1)
+			}
+		}
+	}
+}
+
+// A wrapper function that insert the start_slot and end_slot from a single row into a channel.
+// It also locks the row by updating the checked_out column.
+// The statement for getting the start_slot and end_slot must be provided.
+// The statement for "locking" the row must also be provided.
+func getBatchProcessRow(ctx context.Context, db sql.Database, getStartEndSlotStmt string, checkNewRowsStmt string, checkOutRowStmt string, slotCh chan<- slotsToProcess, uniqueNodeIdentifier string, minimumSlot Slot) []error {
+	errCount := make([]error, 0)
+
+	// 5 is an arbitrary number. It allows us to retry a few times before
+	// ending the application.
+	prevErrCount := 0
+	for len(errCount) < 5 {
+		select {
+		case <-ctx.Done():
+			return errCount
+		default:
+			if len(errCount) != prevErrCount {
+				log.WithFields(log.Fields{
+					"errCount": errCount,
+				}).Error("New error entry added")
+			}
+			processRow, err := db.Exec(context.Background(), checkNewRowsStmt, minimumSlot)
+			if err != nil {
+				errCount = append(errCount, err)
+			}
+			row, err := processRow.RowsAffected()
+			if err != nil {
+				errCount = append(errCount, err)
+			}
+			if row < 1 {
+				time.Sleep(3 * time.Second)
+				log.Debug("We are checking rows, be patient")
+				break
+			}
+			log.Debug("We found a new row")
+			dbCtx := context.Background()
+
+			// Setup TX
+			tx, err := db.Begin(dbCtx)
+			if err != nil {
+				loghelper.LogError(err).Error("We are unable to Begin a SQL transaction")
+				errCount = append(errCount, err)
+				break
+			}
+			defer func() {
+				err := tx.Rollback(dbCtx)
+				if err != nil && err != pgx.ErrTxClosed {
+					loghelper.LogError(err).Error("We were unable to Rollback a transaction")
+					errCount = append(errCount, err)
+				}
+			}()
+
+			// Query the DB for slots.
+			sp := slotsToProcess{}
+			err = tx.QueryRow(dbCtx, getStartEndSlotStmt, minimumSlot).Scan(&sp.startSlot, &sp.endSlot)
+			if err != nil {
+				if err == pgx.ErrNoRows {
+					time.Sleep(1 * time.Second)
+					break
+				}
+				loghelper.LogSlotRangeStatementError(sp.startSlot.Number(), sp.endSlot.Number(), getStartEndSlotStmt, err).Error("Unable to get a row")
+				errCount = append(errCount, err)
+				break
+			}
+
+			// Checkout the Row
+			res, err := tx.Exec(dbCtx, checkOutRowStmt, sp.startSlot, sp.endSlot, uniqueNodeIdentifier)
+			if err != nil {
+				loghelper.LogSlotRangeStatementError(sp.startSlot.Number(), sp.endSlot.Number(), checkOutRowStmt, err).Error("Unable to checkout the row")
+				errCount = append(errCount, err)
+				break
+			}
+			rows, err := res.RowsAffected()
+			if err != nil {
+				loghelper.LogSlotRangeStatementError(sp.startSlot.Number(), sp.endSlot.Number(), checkOutRowStmt, fmt.Errorf("Unable to determine the rows affected when trying to checkout a row."))
+				errCount = append(errCount, err)
+				break
+			}
+			if rows > 1 {
+				loghelper.LogSlotRangeStatementError(sp.startSlot.Number(), sp.endSlot.Number(), checkOutRowStmt, err).WithFields(log.Fields{
+					"rowsReturn": rows,
+				}).Error("We locked too many rows.....")
+				errCount = append(errCount, err)
+				break
+			}
+			if rows == 0 {
+				loghelper.LogSlotRangeStatementError(sp.startSlot.Number(), sp.endSlot.Number(), checkOutRowStmt, err).WithFields(log.Fields{
+					"rowsReturn": rows,
+				}).Error("We did not lock a single row.")
+				errCount = append(errCount, err)
+				break
+			}
+			err = tx.Commit(dbCtx)
+			if err != nil {
+				loghelper.LogSlotRangeError(sp.startSlot.Number(), sp.endSlot.Number(), err).Error("Unable commit transactions.")
+				errCount = append(errCount, err)
+				break
+			}
+			log.WithField("slots", sp).Debug("Added a new slots to be processed")
+			slotCh <- sp
+		}
+	}
+	log.WithFields(log.Fields{
+		"ErrCount": errCount,
+	}).Error("The ErrCounter")
+	return errCount
+}
+
+// After a row has been processed it should be removed from its appropriate table.
+func removeRowPostProcess(ctx context.Context, db sql.Database, processCh <-chan slotsToProcess, checkProcessedStmt, removeStmt string) error {
+	errCh := make(chan error)
+	for {
+		select {
+		case <-ctx.Done():
+			return nil
+		case slots := <-processCh:
+			// Make sure the start and end slot exist in the slots table.
+			go func() {
+				log.WithFields(log.Fields{
+					"startSlot": slots.startSlot,
+					"endSlot":   slots.endSlot,
+				}).Debug("Starting to check to see if the following slots have been processed")
+				for {
+					isStartProcess, err := isSlotProcessed(db, checkProcessedStmt, slots.startSlot)
+					if err != nil {
+						errCh <- err
+					}
+					isEndProcess, err := isSlotProcessed(db, checkProcessedStmt, slots.endSlot)
+					if err != nil {
+						errCh <- err
+					}
+					if isStartProcess && isEndProcess {
+						break
+					}
+					time.Sleep(3 * time.Second)
+				}
+
+				_, err := db.Exec(context.Background(), removeStmt, slots.startSlot.Number(), slots.endSlot.Number())
+				if err != nil {
+					errCh <- err
+				}
+
+			}()
+			if len(errCh) != 0 {
+				return <-errCh
+			}
+		}
+	}
+}

pkg/beaconclient/processknowngaps.go

@@ -0,0 +1,137 @@
+// VulcanizeDB
+// Copyright © 2022 Vulcanize
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+// This file contains all the code to process historic slots.
+
+package beaconclient
+
+import (
+	"context"
+	"strconv"
+
+	log "github.com/sirupsen/logrus"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/database/sql"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/loghelper"
+)
+
+var (
+	// Get a single non-checked out row row from eth_beacon.known_gaps.
+	getKgEntryStmt string = `SELECT start_slot, end_slot FROM eth_beacon.known_gaps
+	WHERE checked_out=false AND end_slot >= $1
+	ORDER BY priority ASC
+	LIMIT 1;`
+	// Used to periodically check to see if there is a new entry in the eth_beacon.known_gaps table.
+	checkKgEntryStmt string = `SELECT * FROM eth_beacon.known_gaps WHERE checked_out=false AND end_slot >= $1;`
+	// Used to checkout a row from the eth_beacon.known_gaps table
+	lockKgEntryStmt string = `UPDATE eth_beacon.known_gaps
+	SET checked_out=true, checked_out_by=$3
+	WHERE start_slot=$1 AND end_slot=$2;`
+	// Used to delete an entry from the knownGaps table
+	deleteKgEntryStmt string = `DELETE FROM eth_beacon.known_gaps
+	WHERE start_slot=$1 AND end_slot=$2;`
+	// Used to check to see if a single slot exists in the known_gaps table.
+	checkKgSingleSlotStmt string = `SELECT start_slot, end_slot FROM eth_beacon.known_gaps
+	WHERE start_slot=$1 AND end_slot=$2;`
+	// Used to update every single row that this node has checked out.
+	releaseKgLockStmt string = `UPDATE eth_beacon.known_gaps
+	SET checked_out=false, checked_out_by=null
+	WHERE checked_out_by=$1`
+)
+
+type KnownGapsProcessing struct {
+	db                   sql.Database         //db connection
+	metrics              *BeaconClientMetrics // metrics for beaconclient
+	uniqueNodeIdentifier int                  // node unique identifier.
+}
+
+// This function will perform all the heavy lifting for tracking the head of the chain.
+func (bc *BeaconClient) ProcessKnownGaps(ctx context.Context, maxWorkers int, minimumSlot Slot) []error {
+	log.Info("We are starting the known gaps processing service.")
+	bc.KnownGapsProcess = KnownGapsProcessing{db: bc.Db, uniqueNodeIdentifier: bc.UniqueNodeIdentifier, metrics: bc.Metrics}
+	errs := handleBatchProcess(ctx, maxWorkers, bc.KnownGapsProcess, bc.SlotProcessingDetails(), bc.Metrics.IncrementKnownGapsProcessed, minimumSlot)
+	log.Debug("Exiting known gaps processing service")
+	return errs
+}
+
+// This function will perform all the necessary clean up tasks for stopping historical processing.
+func (bc *BeaconClient) StopKnownGapsProcessing(cancel context.CancelFunc) error {
+	log.Info("We are stopping the known gaps processing service.")
+	cancel()
+	err := bc.KnownGapsProcess.releaseDbLocks()
+	if err != nil {
+		loghelper.LogError(err).WithField("uniqueIdentifier", bc.UniqueNodeIdentifier).Error("We were unable to remove the locks from the eth_beacon.known_gaps table. Manual Intervention is needed!")
+	}
+	return nil
+}
+
+// Get a single row of historical slots from the table.
+func (kgp KnownGapsProcessing) getSlotRange(ctx context.Context, slotCh chan<- slotsToProcess, minimumSlot Slot) []error {
+	return getBatchProcessRow(ctx, kgp.db, getKgEntryStmt, checkKgEntryStmt, lockKgEntryStmt, slotCh, strconv.Itoa(kgp.uniqueNodeIdentifier), minimumSlot)
+}
+
+// Remove the table entry.
+func (kgp KnownGapsProcessing) removeTableEntry(ctx context.Context, processCh <-chan slotsToProcess) error {
+	return removeRowPostProcess(ctx, kgp.db, processCh, QueryBySlotStmt, deleteKgEntryStmt)
+}
+
+// Remove the table entry.
+func (kgp KnownGapsProcessing) handleProcessingErrors(ctx context.Context, errMessages <-chan batchHistoricError) {
+	for {
+		select {
+		case <-ctx.Done():
+			return
+		case errMs := <-errMessages:
+			// Check to see if this if this entry already exists.
+			res, err := kgp.db.Exec(context.Background(), checkKgSingleSlotStmt, errMs.slot, errMs.slot)
+			if err != nil {
+				loghelper.LogSlotError(errMs.slot.Number(), err).Error("Unable to see if this slot is in the eth_beacon.known_gaps table")
+			}
+
+			rows, err := res.RowsAffected()
+			if err != nil {
+				loghelper.LogSlotError(errMs.slot.Number(), err).WithFields(log.Fields{
+					"queryStatement": checkKgSingleSlotStmt,
+				}).Error("Unable to get the number of rows affected by this statement.")
+			}
+
+			if rows > 0 {
+				loghelper.LogSlotError(errMs.slot.Number(), errMs.err).Error("We received an error when processing a knownGap")
+				err = updateKnownGapErrors(kgp.db, errMs.slot, errMs.slot, errMs.err, kgp.metrics)
+				if err != nil {
+					loghelper.LogSlotError(errMs.slot.Number(), err).Error("Error processing known gap")
+				}
+			} else {
+				writeKnownGaps(kgp.db, 1, errMs.slot, errMs.slot, errMs.err, errMs.errProcess, kgp.metrics)
+			}
+		}
+	}
+
+}
+
+// Updated checked_out column for the uniqueNodeIdentifier.
+func (kgp KnownGapsProcessing) releaseDbLocks() error {
+	log.Debug("Updating all the entries to eth_beacon.known_gaps")
+	res, err := kgp.db.Exec(context.Background(), releaseKgLockStmt, kgp.uniqueNodeIdentifier)
+	if err != nil {
+		return err
+	}
+	rows, err := res.RowsAffected()
+	if err != nil {
+		return err
+	}
+	log.WithField("rowCount", rows).Info("Released knownGaps locks for specified rows.")
+	return nil
+}

pkg/beaconclient/processslot.go

@@ -23,290 +23,476 @@ import (
 	"context"
 	"encoding/hex"
 	"fmt"
-	"strconv"
 	"strings"
+	"time"
 
-	si "github.com/prysmaticlabs/prysm/consensus-types/interfaces"
-	"github.com/prysmaticlabs/prysm/consensus-types/wrapper"
-	dt "github.com/prysmaticlabs/prysm/encoding/ssz/detect"
+	"github.com/jackc/pgx/v4"
 
-	// The below is temporary, once https://github.com/prysmaticlabs/prysm/issues/10006 has been resolved we wont need it.
-	// pb "github.com/prysmaticlabs/prysm/proto/prysm/v2"
-
-	state "github.com/prysmaticlabs/prysm/beacon-chain/state"
 	log "github.com/sirupsen/logrus"
-	"github.com/vulcanize/ipld-ethcl-indexer/pkg/database/sql"
-	"github.com/vulcanize/ipld-ethcl-indexer/pkg/loghelper"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/database/sql"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/loghelper"
 	"golang.org/x/sync/errgroup"
 )
 
-var (
-	SlotUnmarshalError = func(obj string) string {
-		return fmt.Sprintf("Unable to properly unmarshal the Slot field in the %s.", obj)
+type SlotProcessingDetails struct {
+	Context                      context.Context      // A context generic context with multiple uses.
+	ServerEndpoint               string               // What is the endpoint of the beacon server.
+	Db                           sql.Database         // Database object used for reads and writes.
+	Metrics                      *BeaconClientMetrics // An object used to keep track of certain BeaconClient Metrics.
+	KnownGapTableIncrement       int                  // The max number of slots within a single known_gaps table entry.
+	CheckDb                      bool                 // Should we check the DB to see if the slot exists before processing it?
+	PerformBeaconStateProcessing bool                 // Should we process BeaconStates?
+	PerformBeaconBlockProcessing bool                 // Should we process BeaconBlocks?
+
+	StartingSlot      Slot   // If we're performing head tracking. What is the first slot we processed.
+	PreviousSlot      Slot   // Whats the previous slot we processed
+	PreviousBlockRoot string // Whats the previous block root, used to check the next blocks parent.
+}
+
+func (bc *BeaconClient) SlotProcessingDetails() SlotProcessingDetails {
+	return SlotProcessingDetails{
+		Context:        bc.Context,
+		ServerEndpoint: bc.ServerEndpoint,
+		Db:             bc.Db,
+		Metrics:        bc.Metrics,
+
+		CheckDb:                      bc.CheckDb,
+		PerformBeaconBlockProcessing: bc.PerformBeaconBlockProcessing,
+		PerformBeaconStateProcessing: bc.PerformBeaconStateProcessing,
+
+		KnownGapTableIncrement: bc.KnownGapTableIncrement,
+		StartingSlot:           bc.StartingSlot,
+		PreviousSlot:           bc.PreviousSlot,
+		PreviousBlockRoot:      bc.PreviousBlockRoot,
 	}
-	ParentRootUnmarshalError  = "Unable to properly unmarshal the ParentRoot field in the SignedBeaconBlock."
-	MissingIdentifiedError    = "Can't query state without a set slot or block_root"
-	MissingEth1Data           = "Can't get the Eth1 block_hash"
-	VersionedUnmarshalerError = "Unable to create a versioned unmarshaler"
-)
+}
 
 type ProcessSlot struct {
 	// Generic
 
-	Slot            int                  // The slot number.
-	Epoch           int                  // The epoch number.
-	BlockRoot       string               // The hex encoded string of the BlockRoot.
-	StateRoot       string               // The hex encoded string of the StateRoot.
-	ParentBlockRoot string               // The hex encoded string of the parent block.
-	Status          string               // The status of the block
-	HeadOrHistoric  string               // Is this the head or a historic slot. This is critical when trying to analyze errors and skipped slots.
-	Db              sql.Database         // The DB object used to write to the DB.
-	Metrics         *BeaconClientMetrics // An object to keep track of the beaconclient metrics
+	Slot               Slot                 // The slot number.
+	Epoch              Epoch                // The epoch number.
+	BlockRoot          string               // The hex encoded string of the BlockRoot.
+	StateRoot          string               // The hex encoded string of the StateRoot.
+	ParentBlockRoot    string               // The hex encoded string of the parent block.
+	Status             string               // The status of the block
+	HeadOrHistoric     string               // Is this the head or a historic slot. This is critical when trying to analyze errors and skipped slots.
+	Db                 sql.Database         // The DB object used to write to the DB.
+	Metrics            *BeaconClientMetrics // An object to keep track of the beaconclient metrics
+	PerformanceMetrics PerformanceMetrics   // An object to keep track of performance metrics.
 	// BeaconBlock
 
-	SszSignedBeaconBlock  []byte               // The entire SSZ encoded SignedBeaconBlock
-	FullSignedBeaconBlock si.SignedBeaconBlock // The unmarshaled BeaconState object, the unmarshalling could have errors.
+	SszSignedBeaconBlock  []byte             // The entire SSZ encoded SignedBeaconBlock
+	FullSignedBeaconBlock *SignedBeaconBlock // The unmarshaled BeaconState object, the unmarshalling could have errors.
 
 	// BeaconState
-	FullBeaconState state.BeaconState // The unmarshaled BeaconState object, the unmarshalling could have errors.
-	SszBeaconState  []byte            // The entire SSZ encoded BeaconState
+	FullBeaconState *BeaconState // The unmarshaled BeaconState object, the unmarshalling could have errors.
+	SszBeaconState  []byte       // The entire SSZ encoded BeaconState
 
 	// DB Write objects
 	DbSlotsModel             *DbSlots             // The model being written to the slots table.
-	DbSignedBeaconBlockModel *DbSignedBeaconBlock // The model being written to the signed_beacon_block table.
-	DbBeaconState            *DbBeaconState       // The model being written to the beacon_state table.
+	DbSignedBeaconBlockModel *DbSignedBeaconBlock // The model being written to the signed_block table.
+	DbBeaconState            *DbBeaconState       // The model being written to the state table.
+}
+
+type PerformanceMetrics struct {
+	BeaconNodeBlockRetrievalTime time.Duration // How long it took to get the BeaconBlock from the Beacon Node.
+	BeaconNodeStateRetrievalTime time.Duration // How long it took to get the BeaconState from the Beacon Node.
+	ParseBeaconObjectForHash     time.Duration // How long it took to get some information from the beacon objects.
+	CheckDbPreProcessing         time.Duration // How long it takes to check the DB before processing a block.
+	CreateDbWriteObject          time.Duration // How long it takes to create a DB write object.
+	TransactSlotOnly             time.Duration // How long it takes to transact the slot information only.
+	CheckReorg                   time.Duration // How long it takes to check for Reorgs
+	CommitTransaction            time.Duration // How long it takes to commit the final transaction.
+	TotalDbTransaction           time.Duration // How long it takes from start to committing the entire DB transaction.
+	TotalProcessing              time.Duration // How long it took to process the entire slot.
 }
 
 // This function will do all the work to process the slot and write it to the DB.
-func processFullSlot(db sql.Database, serverAddress string, slot int, blockRoot string, stateRoot string, previousSlot int, previousBlockRoot string, headOrHistoric string, metrics *BeaconClientMetrics, knownGapsTableIncrement int) error {
-	ps := &ProcessSlot{
-		Slot:           slot,
-		BlockRoot:      blockRoot,
-		StateRoot:      stateRoot,
-		HeadOrHistoric: headOrHistoric,
-		Db:             db,
-		Metrics:        metrics,
-	}
-
-	g, _ := errgroup.WithContext(context.Background())
-	vUnmarshalerCh := make(chan *dt.VersionedUnmarshaler, 1)
-
-	// Get the BeaconState.
-	g.Go(func() error {
-		err := ps.getBeaconState(serverAddress, vUnmarshalerCh)
-		if err != nil {
-			return err
+// It will return the error and error process. The error process is used for providing reach detail to the
+// known_gaps table.
+func processFullSlot(
+	ctx context.Context,
+	slot Slot,
+	blockRoot string,
+	stateRoot string,
+	previousSlot Slot,
+	previousBlockRoot string,
+	knownGapsTableIncrement int,
+	headOrHistoric string,
+	spd *SlotProcessingDetails) (error, string) {
+	select {
+	case <-ctx.Done():
+		return nil, ""
+	default:
+		totalStart := time.Now()
+		ps := &ProcessSlot{
+			Slot:           slot,
+			BlockRoot:      blockRoot,
+			StateRoot:      stateRoot,
+			HeadOrHistoric: headOrHistoric,
+			Db:             spd.Db,
+			Metrics:        spd.Metrics,
+			PerformanceMetrics: PerformanceMetrics{
+				BeaconNodeBlockRetrievalTime: 0,
+				BeaconNodeStateRetrievalTime: 0,
+				ParseBeaconObjectForHash:     0,
+				CheckDbPreProcessing:         0,
+				CreateDbWriteObject:          0,
+				TransactSlotOnly:             0,
+				CheckReorg:                   0,
+				CommitTransaction:            0,
+				TotalDbTransaction:           0,
+				TotalProcessing:              0,
+			},
 		}
-		return nil
-	})
 
-	// Get the SignedBeaconBlock.
-	g.Go(func() error {
-		err := ps.getSignedBeaconBlock(serverAddress, vUnmarshalerCh)
-		if err != nil {
-			return err
+		g, _ := errgroup.WithContext(context.Background())
+
+		if spd.PerformBeaconStateProcessing {
+			// Get the BeaconState.
+			g.Go(func() error {
+				select {
+				case <-ctx.Done():
+					return nil
+				default:
+					start := time.Now()
+					err := ps.getBeaconState(spd.ServerEndpoint)
+					if err != nil {
+						return err
+					}
+					ps.PerformanceMetrics.BeaconNodeStateRetrievalTime = time.Since(start)
+					return nil
+				}
+			})
 		}
-		return nil
-	})
 
-	if err := g.Wait(); err != nil {
-		writeKnownGaps(ps.Db, 1, ps.Slot, ps.Slot, err, "processSlot", ps.Metrics)
-		return err
-	}
+		if spd.PerformBeaconBlockProcessing {
+			// Get the SignedBeaconBlock.
+			g.Go(func() error {
+				select {
+				case <-ctx.Done():
+					return nil
+				default:
+					start := time.Now()
+					err := ps.getSignedBeaconBlock(spd.ServerEndpoint)
+					if err != nil {
+						return err
+					}
+					ps.PerformanceMetrics.BeaconNodeBlockRetrievalTime = time.Since(start)
+					return nil
+				}
+			})
+		}
 
-	if ps.HeadOrHistoric == "head" && previousSlot == 0 && previousBlockRoot == "" {
-		writeStartUpGaps(db, knownGapsTableIncrement, ps.Slot, ps.Metrics)
-	}
+		if err := g.Wait(); err != nil {
+			return err, "processSlot"
+		}
 
-	// Get this object ready to write
-	blockRootEndpoint := serverAddress + BcBlockRootEndpoint(strconv.Itoa(ps.Slot))
-	dw, err := ps.createWriteObjects(blockRootEndpoint)
-	if err != nil {
-		writeKnownGaps(ps.Db, 1, ps.Slot, ps.Slot, err, "blockRoot", ps.Metrics)
-		return err
-	}
-	// Write the object to the DB.
-	err = dw.writeFullSlot()
-	if err != nil {
-		writeKnownGaps(ps.Db, 1, ps.Slot, ps.Slot, err, "processSlot", ps.Metrics)
-		return err
-	}
+		parseBeaconTime := time.Now()
+		finalBlockRoot, finalStateRoot, _, err := ps.provideFinalHash()
+		if err != nil {
+			return err, "CalculateBlockRoot"
+		}
+		ps.PerformanceMetrics.ParseBeaconObjectForHash = time.Since(parseBeaconTime)
 
-	// Handle any reorgs or skipped slots.
-	headOrHistoric = strings.ToLower(headOrHistoric)
-	if headOrHistoric != "head" && headOrHistoric != "historic" {
-		return fmt.Errorf("headOrHistoric must be either historic or head!")
+		if spd.CheckDb {
+			checkDbTime := time.Now()
+			var blockRequired bool
+			if spd.PerformBeaconBlockProcessing {
+				blockExists, err := checkSlotAndRoot(ps.Db, CheckSignedBeaconBlockStmt, ps.Slot, finalBlockRoot)
+				if err != nil {
+					return err, "checkDb"
+				}
+				blockRequired = !blockExists
+			}
+
+			var stateRequired bool
+			if spd.PerformBeaconStateProcessing {
+				stateExists, err := checkSlotAndRoot(ps.Db, CheckBeaconStateStmt, ps.Slot, finalStateRoot)
+				if err != nil {
+					return err, "checkDb"
+				}
+				stateRequired = !stateExists
+			}
+
+			if !blockRequired && !stateRequired {
+				log.WithField("slot", slot).Info("Slot already in the DB.")
+				return nil, ""
+			}
+			ps.PerformanceMetrics.CheckDbPreProcessing = time.Since(checkDbTime)
+		}
+
+		// Get this object ready to write
+		createDbWriteTime := time.Now()
+		dw, err := ps.createWriteObjects()
+		if err != nil {
+			return err, "blockRoot"
+		}
+		ps.PerformanceMetrics.CreateDbWriteObject = time.Since(createDbWriteTime)
+
+		// Write the object to the DB.
+		dbFullTransactionTime := time.Now()
+		defer func() {
+			err := dw.Tx.Rollback(dw.Ctx)
+			if err != nil && err != pgx.ErrTxClosed {
+				loghelper.LogError(err).Error("We were unable to Rollback a transaction")
+			}
+		}()
+
+		transactionTime := time.Now()
+		err = dw.transactFullSlot()
+		if err != nil {
+			return err, "processSlot"
+		}
+		ps.PerformanceMetrics.TransactSlotOnly = time.Since(transactionTime)
+
+		// Handle any reorgs or skipped slots.
+		reorgTime := time.Now()
+		headOrHistoric = strings.ToLower(headOrHistoric)
+		if headOrHistoric != "head" && headOrHistoric != "historic" {
+			return fmt.Errorf("headOrHistoric must be either historic or head"), ""
+		}
+		if ps.HeadOrHistoric == "head" && previousSlot != 0 && previousBlockRoot != "" && ps.Status != "skipped" {
+			ps.checkPreviousSlot(dw.Tx, dw.Ctx, previousSlot, previousBlockRoot, knownGapsTableIncrement)
+		}
+		ps.PerformanceMetrics.CheckReorg = time.Since(reorgTime)
+
+		// Commit the transaction
+		commitTime := time.Now()
+		if err = dw.Tx.Commit(dw.Ctx); err != nil {
+			return err, "transactionCommit"
+		}
+		ps.PerformanceMetrics.CommitTransaction = time.Since(commitTime)
+
+		// Total metric capture time.
+		ps.PerformanceMetrics.TotalDbTransaction = time.Since(dbFullTransactionTime)
+		ps.PerformanceMetrics.TotalProcessing = time.Since(totalStart)
+
+		log.WithFields(log.Fields{
+			"slot":               slot,
+			"performanceMetrics": fmt.Sprintf("%+v\n", ps.PerformanceMetrics),
+		}).Debug("Performance Metric output!")
+
+		return nil, ""
 	}
-	if ps.HeadOrHistoric == "head" && previousSlot != 0 && previousBlockRoot != "" && ps.Status != "skipped" {
-		ps.checkPreviousSlot(previousSlot, previousBlockRoot, knownGapsTableIncrement)
-	}
-	return nil
 }
 
 // Handle a slot that is at head. A wrapper function for calling `handleFullSlot`.
-func processHeadSlot(db sql.Database, serverAddress string, slot int, blockRoot string, stateRoot string, previousSlot int, previousBlockRoot string, metrics *BeaconClientMetrics, knownGapsTableIncrement int) error {
-	return processFullSlot(db, serverAddress, slot, blockRoot, stateRoot, previousSlot, previousBlockRoot, "head", metrics, knownGapsTableIncrement)
+func processHeadSlot(slot Slot, blockRoot string, stateRoot string, spd SlotProcessingDetails) {
+	// Get the knownGaps at startUp
+	if spd.PreviousSlot == 0 && spd.PreviousBlockRoot == "" {
+		writeStartUpGaps(spd.Db, spd.KnownGapTableIncrement, slot, spd.Metrics)
+	}
+	// TODO(telackey): Why context.Background()?
+	err, errReason := processFullSlot(context.Background(), slot, blockRoot, stateRoot,
+		spd.PreviousSlot, spd.PreviousBlockRoot, spd.KnownGapTableIncrement, "head", &spd)
+	if err != nil {
+		writeKnownGaps(spd.Db, spd.KnownGapTableIncrement, slot, slot, err, errReason, spd.Metrics)
+	}
 }
 
 // Handle a historic slot. A wrapper function for calling `handleFullSlot`.
-// Commented because of the linter...... LOL
-//func handleHistoricSlot(db sql.Database, serverAddress string, slot int) error {
-//	return handleFullSlot(db, serverAddress, slot, "", "", 0, "", "historic")
-//}
+func handleHistoricSlot(ctx context.Context, slot Slot, spd SlotProcessingDetails) (error, string) {
+	return processFullSlot(ctx, slot, "", "", 0, "",
+		1, "historic", &spd)
+}
 
 // Update the SszSignedBeaconBlock and FullSignedBeaconBlock object with their respective values.
-func (ps *ProcessSlot) getSignedBeaconBlock(serverAddress string, vmCh <-chan *dt.VersionedUnmarshaler) error {
+func (ps *ProcessSlot) getSignedBeaconBlock(serverAddress string) error {
 	var blockIdentifier string // Used to query the block
 	if ps.BlockRoot != "" {
 		blockIdentifier = ps.BlockRoot
-	} else if ps.Slot != 0 {
-		blockIdentifier = strconv.Itoa(ps.Slot)
 	} else {
-		log.Error(MissingIdentifiedError)
-		return fmt.Errorf(MissingIdentifiedError)
-	}
-	blockEndpoint := serverAddress + BcBlockQueryEndpoint + blockIdentifier
-	var err error
-	var rc int
-	ps.SszSignedBeaconBlock, rc, err = querySsz(blockEndpoint, strconv.Itoa(ps.Slot))
-	if err != nil {
-		loghelper.LogSlotError(strconv.Itoa(ps.Slot), err).Error("Unable to properly query the slot.")
-		return err
+		blockIdentifier = ps.Slot.Format()
 	}
 
-	vm := <-vmCh
-	if rc != 200 {
-		ps.FullSignedBeaconBlock = &wrapper.Phase0SignedBeaconBlock{}
+	blockEndpoint := serverAddress + BcBlockQueryEndpoint + blockIdentifier
+	sszSignedBeaconBlock, rc, err := querySsz(blockEndpoint, ps.Slot)
+
+	if err != nil || rc != 200 {
+		loghelper.LogSlotError(ps.Slot.Number(), err).Error("Unable to properly query the slot.")
+		ps.FullSignedBeaconBlock = nil
 		ps.SszSignedBeaconBlock = []byte{}
 		ps.ParentBlockRoot = ""
 		ps.Status = "skipped"
-		return nil
-	}
 
-	if vm == nil {
-		return fmt.Errorf(VersionedUnmarshalerError)
-	}
-
-	ps.FullSignedBeaconBlock, err = vm.UnmarshalBeaconBlock(ps.SszSignedBeaconBlock)
-	if err != nil {
-		loghelper.LogSlotError(strconv.Itoa(ps.Slot), err).Error("We are getting an error message when unmarshalling the SignedBeaconBlock.")
-		if ps.FullSignedBeaconBlock.Block().Slot() == 0 {
-			loghelper.LogSlotError(strconv.Itoa(ps.Slot), err).Error(SlotUnmarshalError("SignedBeaconBlock"))
-			return fmt.Errorf(SlotUnmarshalError("SignedBeaconBlock"))
-		} else if ps.FullSignedBeaconBlock.Block().ParentRoot() == nil {
-			loghelper.LogSlotError(strconv.Itoa(ps.Slot), err).Error(ParentRootUnmarshalError)
-			return fmt.Errorf(ParentRootUnmarshalError)
+		// A 404 is normal in the case of a "skipped" slot.
+		if rc == 404 {
+			return nil
 		}
-		log.Warn("We received a processing error: ", err)
+		return err
 	}
-	ps.ParentBlockRoot = "0x" + hex.EncodeToString(ps.FullSignedBeaconBlock.Block().ParentRoot())
+
+	var signedBeaconBlock SignedBeaconBlock
+	err = signedBeaconBlock.UnmarshalSSZ(sszSignedBeaconBlock)
+	if err != nil {
+		loghelper.LogSlotError(ps.Slot.Number(), err).Error("Unable to unmarshal SignedBeaconBlock for slot.")
+		ps.FullSignedBeaconBlock = nil
+		ps.SszSignedBeaconBlock = []byte{}
+		ps.ParentBlockRoot = ""
+		ps.Status = "skipped"
+		return err
+	}
+
+	ps.FullSignedBeaconBlock = &signedBeaconBlock
+	ps.SszSignedBeaconBlock = sszSignedBeaconBlock
+
+	ps.ParentBlockRoot = toHex(ps.FullSignedBeaconBlock.Block().ParentRoot())
 	return nil
 }
 
 // Update the SszBeaconState and FullBeaconState object with their respective values.
-func (ps *ProcessSlot) getBeaconState(serverEndpoint string, vmCh chan<- *dt.VersionedUnmarshaler) error {
+func (ps *ProcessSlot) getBeaconState(serverEndpoint string) error {
 	var stateIdentifier string // Used to query the state
 	if ps.StateRoot != "" {
 		stateIdentifier = ps.StateRoot
-	} else if ps.Slot != 0 {
-		stateIdentifier = strconv.Itoa(ps.Slot)
 	} else {
-		log.Error(MissingIdentifiedError)
-		return fmt.Errorf(MissingIdentifiedError)
+		stateIdentifier = ps.Slot.Format()
 	}
-	stateEndpoint := serverEndpoint + BcStateQueryEndpoint + stateIdentifier
-	ps.SszBeaconState, _, _ = querySsz(stateEndpoint, strconv.Itoa(ps.Slot))
 
-	versionedUnmarshaler, err := dt.FromState(ps.SszBeaconState)
+	stateEndpoint := serverEndpoint + BcStateQueryEndpoint + stateIdentifier
+	sszBeaconState, _, err := querySsz(stateEndpoint, ps.Slot)
 	if err != nil {
-		loghelper.LogSlotError(strconv.Itoa(ps.Slot), err).Error(VersionedUnmarshalerError)
-		vmCh <- nil
-		return fmt.Errorf(VersionedUnmarshalerError)
+		loghelper.LogSlotError(ps.Slot.Number(), err).Error("Unable to properly query the BeaconState.")
+		return err
 	}
-	vmCh <- versionedUnmarshaler
-	ps.FullBeaconState, err = versionedUnmarshaler.UnmarshalBeaconState(ps.SszBeaconState)
+
+	var beaconState BeaconState
+	err = beaconState.UnmarshalSSZ(sszBeaconState)
 	if err != nil {
-		loghelper.LogError(err).Error("We are getting an error message when unmarshalling the BeaconState")
-		if ps.FullBeaconState.Slot() == 0 {
-			loghelper.LogSlotError(strconv.Itoa(ps.Slot), err).Error(SlotUnmarshalError("BeaconState"))
-			return fmt.Errorf(SlotUnmarshalError("BeaconState"))
-		} else if hex.EncodeToString(ps.FullBeaconState.Eth1Data().BlockHash) == "" {
-			loghelper.LogSlotError(strconv.Itoa(ps.Slot), err).Error(MissingEth1Data)
-			return fmt.Errorf(MissingEth1Data)
-		}
+		loghelper.LogSlotError(ps.Slot.Number(), err).Error("Unable to unmarshal the BeaconState.")
+		return err
 	}
+
+	ps.FullBeaconState = &beaconState
+	ps.SszBeaconState = sszBeaconState
 	return nil
 }
 
 // Check to make sure that the previous block we processed is the parent of the current block.
-func (ps *ProcessSlot) checkPreviousSlot(previousSlot int, previousBlockRoot string, knownGapsTableIncrement int) {
-	parentRoot := "0x" + hex.EncodeToString(ps.FullSignedBeaconBlock.Block().ParentRoot())
-	if previousSlot == int(ps.FullBeaconState.Slot()) {
+func (ps *ProcessSlot) checkPreviousSlot(tx sql.Tx, ctx context.Context, previousSlot Slot, previousBlockRoot string, knownGapsTableIncrement int) {
+	if nil == ps.FullSignedBeaconBlock {
+		log.Debug("Can't check block root, no current block.")
+		return
+	}
+	parentRoot := toHex(ps.FullSignedBeaconBlock.Block().ParentRoot())
+	slot := ps.Slot
+	if previousSlot == slot {
 		log.WithFields(log.Fields{
-			"slot": ps.FullBeaconState.Slot,
+			"slot": slot,
 			"fork": true,
 		}).Warn("A fork occurred! The previous slot and current slot match.")
-		writeReorgs(ps.Db, strconv.Itoa(ps.Slot), ps.BlockRoot, ps.Metrics)
-	} else if previousSlot+1 != int(ps.FullBeaconState.Slot()) {
+		transactReorgs(tx, ctx, ps.Slot, ps.BlockRoot, ps.Metrics)
+	} else if previousSlot > slot {
 		log.WithFields(log.Fields{
 			"previousSlot": previousSlot,
-			"currentSlot":  ps.FullBeaconState.Slot(),
+			"curSlot":      slot,
+		}).Warn("We noticed the previous slot is greater than the current slot.")
+	} else if previousSlot+1 != slot {
+		log.WithFields(log.Fields{
+			"previousSlot": previousSlot,
+			"currentSlot":  slot,
 		}).Error("We skipped a few slots.")
-		writeKnownGaps(ps.Db, knownGapsTableIncrement, previousSlot+1, int(ps.FullBeaconState.Slot())-1, fmt.Errorf("Gaps during head processing"), "headGaps", ps.Metrics)
+		transactKnownGaps(tx, ctx, knownGapsTableIncrement, previousSlot+1, slot-1, fmt.Errorf("gaps during head processing"), "headGaps", ps.Metrics)
 	} else if previousBlockRoot != parentRoot {
 		log.WithFields(log.Fields{
 			"previousBlockRoot":  previousBlockRoot,
 			"currentBlockParent": parentRoot,
 		}).Error("The previousBlockRoot does not match the current blocks parent, an unprocessed fork might have occurred.")
-		writeReorgs(ps.Db, strconv.Itoa(previousSlot), parentRoot, ps.Metrics)
+		transactReorgs(tx, ctx, previousSlot, parentRoot, ps.Metrics)
 	} else {
 		log.Debug("Previous Slot and Current Slot are one distance from each other.")
 	}
 }
 
 // Transforms all the raw data into DB models that can be written to the DB.
-func (ps *ProcessSlot) createWriteObjects(blockRootEndpoint string) (*DatabaseWriter, error) {
-	var (
-		stateRoot     string
-		blockRoot     string
-		status        string
-		eth1BlockHash string
-	)
-
-	if ps.Status == "skipped" {
-		stateRoot = ""
-		blockRoot = ""
-		eth1BlockHash = ""
-	} else {
-		if ps.StateRoot != "" {
-			stateRoot = ps.StateRoot
-		} else {
-			stateRoot = "0x" + hex.EncodeToString(ps.FullSignedBeaconBlock.Block().StateRoot())
-			log.Debug("StateRoot: ", stateRoot)
-		}
-
-		if ps.BlockRoot != "" {
-			blockRoot = ps.BlockRoot
-		} else {
-			var err error
-			blockRoot, err = queryBlockRoot(blockRootEndpoint, strconv.Itoa(ps.Slot))
-			if err != nil {
-				return nil, err
-			}
-		}
-		eth1BlockHash = "0x" + hex.EncodeToString(ps.FullSignedBeaconBlock.Block().Body().Eth1Data().BlockHash)
-	}
-
+func (ps *ProcessSlot) createWriteObjects() (*DatabaseWriter, error) {
+	var status string
 	if ps.Status != "" {
 		status = ps.Status
 	} else {
 		status = "proposed"
 	}
 
-	dw, err := CreateDatabaseWrite(ps.Db, ps.Slot, stateRoot, blockRoot, ps.ParentBlockRoot, eth1BlockHash, status, ps.SszSignedBeaconBlock, ps.SszBeaconState, ps.Metrics)
+	parseBeaconTime := time.Now()
+	// These will normally be pre-calculated by this point.
+	blockRoot, stateRoot, eth1DataBlockHash, err := ps.provideFinalHash()
+	if err != nil {
+		return nil, err
+	}
+	ps.PerformanceMetrics.ParseBeaconObjectForHash = time.Since(parseBeaconTime)
+
+	payloadHeader := ps.provideExecutionPayloadDetails()
+
+	dw, err := CreateDatabaseWrite(ps.Db, ps.Slot, stateRoot, blockRoot, ps.ParentBlockRoot, eth1DataBlockHash,
+		payloadHeader, status, &ps.SszSignedBeaconBlock, &ps.SszBeaconState, ps.Metrics)
 	if err != nil {
 		return dw, err
 	}
 
 	return dw, nil
 }
+
+// This function will return the final blockRoot, stateRoot, and eth1DataBlockHash that will be
+// used to write to a DB
+func (ps *ProcessSlot) provideFinalHash() (string, string, string, error) {
+	var (
+		stateRoot         string
+		blockRoot         string
+		eth1DataBlockHash string
+	)
+	if ps.Status == "skipped" {
+		stateRoot = ""
+		blockRoot = ""
+		eth1DataBlockHash = ""
+	} else {
+		if ps.StateRoot != "" {
+			stateRoot = ps.StateRoot
+		} else {
+			if nil != ps.FullSignedBeaconBlock {
+				stateRoot = toHex(ps.FullSignedBeaconBlock.Block().StateRoot())
+				log.Debug("BeaconBlock StateRoot: ", stateRoot)
+			} else {
+				log.Debug("BeaconBlock StateRoot: <nil beacon block>")
+			}
+		}
+
+		if ps.BlockRoot != "" {
+			blockRoot = ps.BlockRoot
+		} else {
+			if nil != ps.FullSignedBeaconBlock {
+				rawBlockRoot := ps.FullSignedBeaconBlock.Block().HashTreeRoot()
+				blockRoot = toHex(rawBlockRoot)
+				log.WithFields(log.Fields{"blockRoot": blockRoot}).Debug("Block Root from ssz")
+			} else {
+				log.Debug("BeaconBlock HashTreeRoot: <nil beacon block>")
+			}
+		}
+		if nil != ps.FullSignedBeaconBlock {
+			eth1DataBlockHash = toHex(ps.FullSignedBeaconBlock.Block().Body().Eth1Data().BlockHash)
+		}
+	}
+	return blockRoot, stateRoot, eth1DataBlockHash, nil
+}
+
+func (ps *ProcessSlot) provideExecutionPayloadDetails() *ExecutionPayloadHeader {
+	if nil == ps.FullSignedBeaconBlock || !ps.FullSignedBeaconBlock.IsBellatrix() {
+		return nil
+	}
+
+	payload := ps.FullSignedBeaconBlock.Block().Body().ExecutionPayloadHeader()
+	blockNumber := uint64(payload.BlockNumber)
+
+	// The earliest blocks on the Bellatrix fork, pre-Merge, have zeroed ExecutionPayloads.
+	// There is nothing useful to to store in that case, even though the structure exists.
+	if blockNumber == 0 {
+		return nil
+	}
+
+	return payload
+}
+
+func toHex(r [32]byte) string {
+	return "0x" + hex.EncodeToString(r[:])
+}

pkg/beaconclient/queryserver.go

@@ -18,40 +18,16 @@
 package beaconclient
 
 import (
-	"encoding/json"
+	"bufio"
+	"bytes"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 
 	log "github.com/sirupsen/logrus"
-	"github.com/vulcanize/ipld-ethcl-indexer/pkg/loghelper"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/loghelper"
 )
 
-// A helper function to query endpoints that utilize slots.
-func querySsz(endpoint string, slot string) ([]byte, int, error) {
-	log.WithFields(log.Fields{"endpoint": endpoint}).Debug("Querying endpoint")
-	client := &http.Client{}
-	req, err := http.NewRequest("GET", endpoint, nil)
-	if err != nil {
-		loghelper.LogSlotError(slot, err).Error("Unable to create a request!")
-		return nil, 0, fmt.Errorf("Unable to create a request!: %s", err.Error())
-	}
-	req.Header.Set("Accept", "application/octet-stream")
-	response, err := client.Do(req)
-	if err != nil {
-		loghelper.LogSlotError(slot, err).Error("Unable to query Beacon Node!")
-		return nil, 0, fmt.Errorf("Unable to query Beacon Node: %s", err.Error())
-	}
-	defer response.Body.Close()
-	rc := response.StatusCode
-	body, err := ioutil.ReadAll(response.Body)
-	if err != nil {
-		loghelper.LogSlotError(slot, err).Error("Unable to turn response into a []bytes array!")
-		return nil, rc, fmt.Errorf("Unable to turn response into a []bytes array!: %s", err.Error())
-	}
-	return body, rc, nil
-}
-
 // Object to unmarshal the BlockRootResponse
 type BlockRootResponse struct {
 	Data BlockRootMessage `json:"data"`
@@ -62,35 +38,36 @@ type BlockRootMessage struct {
 	Root string `json:"root"`
 }
 
-// A function to query the blockroot for a given slot.
-func queryBlockRoot(endpoint string, slot string) (string, error) {
+// A helper function to query endpoints that utilize slots.
+func querySsz(endpoint string, slot Slot) ([]byte, int, error) {
 	log.WithFields(log.Fields{"endpoint": endpoint}).Debug("Querying endpoint")
 	client := &http.Client{}
 	req, err := http.NewRequest("GET", endpoint, nil)
 	if err != nil {
-		loghelper.LogSlotError(slot, err).Error("Unable to create a request!")
-		return "", fmt.Errorf("Unable to create a request!: %s", err.Error())
+		loghelper.LogSlotError(slot.Number(), err).Error("Unable to create a request!")
+		return nil, 0, fmt.Errorf("Unable to create a request!: %s", err.Error())
 	}
-	req.Header.Set("Accept", "application/json")
+	req.Header.Set("Accept", "application/octet-stream")
 	response, err := client.Do(req)
 	if err != nil {
-		loghelper.LogSlotError(slot, err).Error("Unable to query Beacon Node!")
-		return "", fmt.Errorf("Unable to query Beacon Node: %s", err.Error())
+		loghelper.LogSlotError(slot.Number(), err).Error("Unable to query Beacon Node!")
+		return nil, 0, fmt.Errorf("Unable to query Beacon Node: %s", err.Error())
 	}
 	defer response.Body.Close()
-	body, err := ioutil.ReadAll(response.Body)
-	if err != nil {
-		loghelper.LogSlotError(slot, err).Error("Unable to turn response into a []bytes array!")
-		return "", fmt.Errorf("Unable to turn response into a []bytes array!: %s", err.Error())
+
+	rc := response.StatusCode
+	// Any 2xx code is OK.
+	if rc < 200 || rc >= 300 {
+		return nil, rc, fmt.Errorf("HTTP Error: %d", rc)
 	}
 
-	resp := BlockRootResponse{}
-	if err := json.Unmarshal(body, &resp); err != nil {
-		loghelper.LogEndpoint(endpoint).WithFields(log.Fields{
-			"rawMessage": string(body),
-			"err":        err,
-		}).Error("Unable to unmarshal the block root")
-		return "", err
+	var body bytes.Buffer
+	buf := bufio.NewWriter(&body)
+	_, err = io.Copy(buf, response.Body)
+	if err != nil {
+		loghelper.LogSlotError(slot.Number(), err).Error("Unable to turn response into a []bytes array!")
+		return nil, rc, fmt.Errorf("Unable to turn response into a []bytes array!: %s", err.Error())
 	}
-	return resp.Data.Root, nil
+
+	return body.Bytes(), rc, nil
 }

pkg/beaconclient/systemvalidation_test.go

@@ -0,0 +1,69 @@
+package beaconclient_test
+
+import (
+	log "github.com/sirupsen/logrus"
+	"os"
+	"time"
+
+	. "github.com/onsi/ginkgo/v2"
+
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/beaconclient"
+)
+
+var (
+	prodConfig = Config{
+		protocol:                     os.Getenv("bc_protocol"),
+		address:                      os.Getenv("bc_address"),
+		port:                         getEnvInt(os.Getenv("bc_port"), 5052),
+		dbHost:                       os.Getenv("db_host"),
+		dbPort:                       getEnvInt(os.Getenv("db_port"), 8076),
+		dbName:                       os.Getenv("db_name"),
+		dbUser:                       os.Getenv("db_user"),
+		dbPassword:                   os.Getenv("db_password"),
+		dbDriver:                     os.Getenv("db_driver"),
+		knownGapsTableIncrement:      100000000,
+		bcUniqueIdentifier:           100,
+		checkDb:                      false,
+		performBeaconBlockProcessing: true,
+		// As of 2022-09, generating and downloading the full BeaconState is so slow it will cause the tests to fail.
+		performBeaconStateProcessing: false,
+	}
+)
+
+// Note: These tests expect to communicate with a fully-synced Beacon node.
+
+var _ = Describe("Systemvalidation", Label("system"), func() {
+	level, _ := log.ParseLevel("debug")
+	log.SetLevel(level)
+
+	Describe("Run the application against a running lighthouse node", func() {
+		Context("When we receive head messages", func() {
+			It("We should process the messages successfully", func() {
+				bc := setUpTest(prodConfig, "10000000000")
+				processProdHeadBlocks(bc, 3, 0, 0, 0)
+			})
+		})
+		Context("When we have historical and knownGaps slots to process", Label("system-batch"), func() {
+			It("Should process them successfully", func() {
+				bc := setUpTest(prodConfig, "10000000000")
+				//known Gaps
+				BeaconNodeTester.writeEventToKnownGaps(bc, 100, 101)
+				BeaconNodeTester.runKnownGapsProcess(bc, 2, 2, 0, 0, 0)
+
+				// Historical
+				BeaconNodeTester.writeEventToHistoricProcess(bc, 2375703, 2375703, 10)
+				BeaconNodeTester.runHistoricalProcess(bc, 2, 3, 0, 0, 0)
+
+				time.Sleep(2 * time.Second)
+				validatePopularBatchBlocks(bc)
+			})
+		})
+	})
+})
+
+// Start head tracking and wait for the expected results.
+func processProdHeadBlocks(bc *beaconclient.BeaconClient, expectedInserts, expectedReorgs, expectedKnownGaps, expectedKnownGapsReprocessError uint64) {
+	go bc.CaptureHead()
+	time.Sleep(1 * time.Second)
+	validateMetrics(bc, expectedInserts, expectedReorgs, expectedKnownGaps, expectedKnownGapsReprocessError)
+}

pkg/database/sql/postgres/database.go

@@ -20,8 +20,8 @@ import (
 	"fmt"
 
 	log "github.com/sirupsen/logrus"
-	"github.com/vulcanize/ipld-ethcl-indexer/pkg/database/sql"
-	"github.com/vulcanize/ipld-ethcl-indexer/pkg/loghelper"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/database/sql"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/loghelper"
 )
 
 var _ sql.Database = &DB{}
@@ -49,7 +49,7 @@ func SetupPostgresDb(dbHostname string, dbPort int, dbName string, dbUsername st
 			"driver_name_provided": driverName,
 		}).Error("Can't resolve driver type")
 	}
-	log.Info("Using Driver:", DbDriver)
+	log.Info("Using Driver: ", DbDriver)
 
 	postgresConfig := Config{
 		Hostname:     dbHostname,

pkg/database/sql/postgres/pgx.go

@@ -23,7 +23,7 @@ import (
 	"github.com/jackc/pgconn"
 	"github.com/jackc/pgx/v4"
 	"github.com/jackc/pgx/v4/pgxpool"
-	"github.com/vulcanize/ipld-ethcl-indexer/pkg/database/sql"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/database/sql"
 )
 
 // pgxDriver driver, implements sql.Driver

pkg/database/sql/postgres/pgx_test.go

@@ -23,9 +23,9 @@ import (
 
 	. "github.com/onsi/ginkgo/v2"
 	. "github.com/onsi/gomega"
-	"github.com/vulcanize/ipld-ethcl-indexer/pkg/database/sql"
-	"github.com/vulcanize/ipld-ethcl-indexer/pkg/database/sql/postgres"
-	"github.com/vulcanize/ipld-ethcl-indexer/pkg/testhelpers"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/database/sql"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/database/sql/postgres"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/testhelpers"
 )
 
 var _ = Describe("Pgx", func() {

pkg/gracefulshutdown/gracefulshutdown.go

@@ -25,7 +25,7 @@ import (
 	"time"
 
 	log "github.com/sirupsen/logrus"
-	"github.com/vulcanize/ipld-ethcl-indexer/pkg/loghelper"
+	"github.com/vulcanize/ipld-eth-beacon-indexer/pkg/loghelper"
 )
 
 // operation is a clean up function on shutting down

pkg/loghelper/logerror.go

@@ -27,9 +27,26 @@ func LogError(err error) *log.Entry {
 	})
 }
 
-func LogSlotError(slot string, err error) *log.Entry {
+// A simple herlper function to log slot and error.
+func LogSlotError(slot uint64, err error) *log.Entry {
 	return log.WithFields(log.Fields{
 		"err":  err,
 		"slot": slot,
 	})
 }
+
+func LogSlotRangeError(startSlot uint64, endSlot uint64, err error) *log.Entry {
+	return log.WithFields(log.Fields{
+		"err":       err,
+		"startSlot": startSlot,
+		"endSlot":   endSlot,
+	})
+}
+func LogSlotRangeStatementError(startSlot uint64, endSlot uint64, statement string, err error) *log.Entry {
+	return log.WithFields(log.Fields{
+		"err":          err,
+		"startSlot":    startSlot,
+		"endSlot":      endSlot,
+		"SqlStatement": statement,
+	})
+}

pkg/loghelper/logreorg.go

@@ -20,7 +20,7 @@ import (
 )
 
 // A simple helper function that will help wrap the reorg error messages.
-func LogReorgError(slot string, latestBlockRoot string, err error) *log.Entry {
+func LogReorgError(slot uint64, latestBlockRoot string, err error) *log.Entry {
 	return log.WithFields(log.Fields{
 		"err":             err,
 		"slot":            slot,
@@ -29,7 +29,7 @@ func LogReorgError(slot string, latestBlockRoot string, err error) *log.Entry {
 }
 
 // A simple helper function that will help wrap regular reorg messages.
-func LogReorg(slot string, latestBlockRoot string) *log.Entry {
+func LogReorg(slot uint64, latestBlockRoot string) *log.Entry {
 	return log.WithFields(log.Fields{
 		"slot":            slot,
 		"latestBlockRoot": latestBlockRoot,