feat: add EigenLayer Onchain Exporter (#3)

* feat: Add initial version of code

* chore: Add requirements.txt

* feat: Add Dockerfile

* ci: Add workflow to build and push Docker image

* feat: Serve original requested_at instead of time_difference

* feat: Sort blobs by requested_at

* feat: Stop updating redundant metrics

* fix: Cast FETCH_INTERVAL to int

* feat: Add docker-compose for testing purposes

* feat: implement eigenlayer onchain exporter

* chore: add gh cli to the devcontainer

* refactor: remove python files

* fix: Rename module

* doc: Update root command short description

* fix: Update README.md

Co-authored-by: Miguel Tenorio <[email protected]>

* doc: Add Labels section

* fix: Update README references

* fix: Update command usage

* feat: Update CI/CD workflow

* fix: Prometheus metric labels

* refactor: Log errors instead of stop the exporter

* feat: Add eigenda_exporter_up metric

* refactor: Remove RPC mutex

* feat: Use backoff for RPC calls

* feat: Add docker compose containers' names

* refactor: Configure log level as string

* refactor: Update config path default value

* feat: Update Viper configuration

* refactor: Update exprters shutting down process

* fix: Init the EigenDA exporter up metric at the creation time

* fix: Update docker compose volume

* doc: Update README

* refactor: Update confirmBatchInput TODO comment

* feat: Check RPC ChainID

* fix: Log Prometheus server error

* fix: Typo

* chore: Add checks and linters

* fix: Ethereum Mainnet chain id

* refactor: Update project structure and graceful exit

* test: Init E2E tests

* test: Add test cases

---------

Co-authored-by: AntiD2ta <[email protected]>
Co-authored-by: Miguel Tenorio <[email protected]>

.config/dictionary.txt

@@ -0,0 +1,25 @@
+Apks
+avsexporter
+Buildx
+cenkalti
+CODEOWNERS
+codespell
+Confirmer
+devcontainer
+Eigen
+eigenda
+eigenlayer
+ethclient
+ethcommon
+golangci
+Holeksy
+holesky
+IBLS
+markdownlint
+Nethermind
+promauto
+promhttp
+Pubkeys
+Rpcs
+stretchr
+twinstake

.config/markdownlint.yaml

@@ -0,0 +1 @@
+line_length: false

.devcontainer/devcontainer.json

@@ -3,39 +3,29 @@
 	"build": {
 		"dockerfile": "Dockerfile"
 	},
-
 	// 👇 Features to add to the Dev Container. More info: https://containers.dev/implementors/features.
-	// "features": {},
-
+	"features": {
+		"ghcr.io/devcontainers/features/go:1": {
+			"version": "1.23.1"
+		},
+		"ghcr.io/devcontainers/features/github-cli:1": {},
+		"ghcr.io/gvatsal60/dev-container-features/pre-commit:1": {}
+	},
 	// 👇 Use 'forwardPorts' to make a list of ports inside the container available locally.
 	// "forwardPorts": [],
-
 	// 👇 Use 'postCreateCommand' to run commands after the container is created.
 	// "postCreateCommand": "sudo apt install -y graphviz",
-
 	// 👇 Configure tool-specific properties.
 	"customizations": {
-        "vscode": {
-            "extensions":[
-				"ms-python.python",
-				"njpwerner.autodocstring",
-				"ms-python.vscode-pylance",
-				"amazonwebservices.aws-toolkit-vscode",
+		"vscode": {
+			"extensions": [
+				"golang.go",
+				"Gruntfuggly.todo-tree",
 				"streetsidesoftware.code-spell-checker",
-				"GitHub.copilot",
-				"ms-python.isort",
-				"redhat.vscode-yaml",
-				"hashicorp.terraform",
-				"yzhang.markdown-all-in-one",
-				"DavidAnson.vscode-markdownlint",
-				"eamodio.gitlens",
-				"github.vscode-github-actions"
+				"DavidAnson.vscode-markdownlint"
 			]
-            }
-		},
-		"features": {
 		}
-
+	}
 	// 👇 Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
 	// "remoteUser": "root"
-}
+}

.github/workflows/golangci-lint.yml

@@ -0,0 +1,20 @@
+name: golangci-lint
+on:
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  golangci:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version: stable
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v6
+        with:
+          version: v1.61.0

.github/workflows/publish-image.yml

@@ -0,0 +1,56 @@
+name: CI/CD pipeline
+
+env:
+  DOCKER_REGISTRY: nethermind.jfrog.io
+
+  REPO_DEV: angkor-oci-local-dev
+  REPO_STAGING: angkor-oci-local-staging
+  REPO_PROD: angkor-oci-local-prod
+  IMAGE_NAME: eigenlayer-onchain-exporter
+
+
+on:
+  push:
+    branches: [main]
+  workflow_dispatch:
+
+permissions:
+  id-token: write
+  contents: write
+
+jobs:
+  build_docker_image:
+    runs-on: ubuntu-latest
+    outputs:
+      DOCKER_IMAGE_NAME: ${{ env.IMAGE_NAME }}
+      DOCKER_IMAGE_TAG: ${{ steps.set_tag.outputs.DOCKER_IMAGE_TAG }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Define image tag
+        id: set_tag
+        run: |
+          export DOCKER_IMAGE_TAG=$(git describe --tags)
+          # This one is to be able to use the image tag in the next steps in this job
+          echo "DOCKER_IMAGE_TAG=$DOCKER_IMAGE_TAG" >> $GITHUB_ENV
+          # This one is to be able to use the image tag in the next jobs
+          echo "DOCKER_IMAGE_TAG=$DOCKER_IMAGE_TAG" >> $GITHUB_OUTPUT
+
+      - name: Setup Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to registry
+        run: |
+          docker login ${{ env.DOCKER_REGISTRY }} -u ${{ secrets.ARTIFACTORY_ANGKOR_USERNAME }} -p ${{ secrets.ARTIFACTORY_ANGKOR_TOKEN_CONTRIBUTOR }}
+      - name: Build and Push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          platforms: "linux/amd64"
+          push: true
+          tags: |
+            ${{ env.DOCKER_REGISTRY }}/${{ env.REPO_DEV }}/${{ env.IMAGE_NAME }}:latest