feat(eventindexer): Event indexer (#13439)

Co-authored-by: David <david@taiko.xyz>
Co-authored-by: dave | d1onys1us <13951458+d1onys1us@users.noreply.github.com>

.github/workflows/eventindexer.yml

@@ -0,0 +1,99 @@
+name: Eventindexer
+
+on:
+  push:
+    branches: [main, alpha-2]
+    paths:
+      - "packages/eventindexer/**"
+  pull_request:
+    paths:
+      - "packages/eventindexer/**"
+
+jobs:
+  lint:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/setup-go@v3
+        with:
+          go-version: 1.19
+      - uses: actions/checkout@v3
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v3
+        with:
+          # Optional: version of golangci-lint to use in form of v1.2 or v1.2.3 or `latest` to use the latest version
+          version: latest
+
+          # Optional: working directory, useful for monorepos
+          working-directory: ./packages/eventindexer
+          args: --config=.golangci.yml
+
+  test:
+    runs-on: ubuntu-latest
+    needs: lint
+    steps:
+      - name: Cancel Previous Runs
+        uses: styfle/cancel-workflow-action@0.11.0
+        with:
+          access_token: ${{ github.token }}
+
+      - uses: actions/checkout@v3
+      - uses: actions/setup-go@v3
+        with:
+          go-version: ">=1.19.0"
+
+      - name: eventindexer - Unit Tests
+        working-directory: ./packages/eventindexer
+        run: go test `go list ./... | grep -v ./contracts | grep -v ./mock | grep -v ./cmd` -coverprofile=coverage.txt -covermode=atomic
+
+      - name: eventindexer - Upload coverage to Codecov
+        uses: codecov/codecov-action@v3
+        with:
+          files: ./packages/eventindexer/coverage.txt
+          flags: eventindexer
+
+  push-docker-image:
+    # only push docker image on PR merge to main
+    if: ${{ github.event }} == 'push'
+    name: Build and push docker image
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Login to GCR
+        uses: docker/login-action@v2
+        with:
+          registry: gcr.io
+          username: _json_key
+          password: ${{ secrets.GCR_JSON_KEY }}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: |
+            gcr.io/evmchain/eventindexer
+          tags: |
+            type=ref,event=branch
+            type=ref,event=pr
+            type=ref,event=tag
+            type=sha
+
+      - name: Build and push
+        uses: docker/build-push-action@v2
+        with:
+          platforms: linux/amd64
+          push: true
+          context: .
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          build-args: |
+            PACKAGE=eventindexer

.github/workflows/relayer.yml

@@ -92,6 +92,8 @@ jobs:
         with:
           platforms: linux/amd64
           push: true
-          context: packages/relayer
+          context: .
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
+          build-args: |
+            PACKAGE=relayer

Dockerfile

@@ -0,0 +1,27 @@
+FROM golang:1.19.3 as builder
+
+ARG PACKAGE=eventindexer
+
+RUN apt install git curl
+
+RUN mkdir /taiko-mono
+
+WORKDIR /taiko-mono
+
+COPY . .
+
+RUN go mod download
+
+WORKDIR /taiko-mono/packages/$PACKAGE
+
+RUN CGO_ENABLED=0 GOOS=linux go build -o /taiko-mono/packages/$PACKAGE/bin/${PACKAGE} /taiko-mono/packages/$PACKAGE/cmd/main.go
+
+FROM alpine:latest
+
+ARG PACKAGE
+
+RUN apk add --no-cache ca-certificates
+
+COPY --from=builder /taiko-mono/packages/$PACKAGE/bin/$PACKAGE /usr/local/bin/
+
+ENTRYPOINT ["$PACKAGE"]

README.md

@@ -44,6 +44,7 @@ taiko-mono
 ├── <a href="./packages">packages</a>
 │   ├── <a href="./packages/branding">branding</a>: Taiko branding materials
 │   ├── <a href="./packages/bridge-ui">bridge-ui</a>: Taiko Bridge frontend UI
+│   ├── <a href="./packages/eventindexer">eventindexer</a>: Event indexer
 │   ├── <a href="./packages/protocol">protocol</a>: Taiko ZK-Rollup L2 Protocol and Taiko Bridge smart contracts
 │   ├── <a href="./packages/relayer">relayer</a>: Bridge relayer (backend)
 │   ├── <a href="./packages/status-page">status-page</a>: Taiko Protocol status page

packages/eventindexer/.default.env

@@ -0,0 +1,13 @@
+HTTP_PORT=4101
+PROMETHEUS_HTTP_PORT=6061
+MYSQL_USER=root
+MYSQL_PASSWORD=root
+MYSQL_DATABASE=eventindexer
+MYSQL_HOST=localhost:3306
+MYSQL_MAX_IDLE_CONNS=50
+MYSQL_MAX_OPEN_CONNS=3000
+MYSQL_CONN_MAX_LIFETIME_IN_MS=100000
+L1_TAIKO_ADDRESS=0x7B3AF414448ba906f02a1CA307C56c4ADFF27ce7
+L1_RPC_URL=wss://l1ws.a2.taiko.xyz
+CORS_ORIGINS=*
+BLOCK_BATCH_SIZE=10

packages/eventindexer/.gitignore

@@ -0,0 +1,46 @@
+.netrc
+.env
+.test.env
+main
+coverage.txt
+
+# Local .terraform directories
+.terraform
+
+# .tfstate files
+*.tfstate
+*.tfstate.*
+
+# Crash log files
+crash.log
+
+# Exclude all .tfvars files, which are likely to contain sentitive data, such as
+# password, private keys, and other secrets. These should not be part of version
+# control as they are data points which are potentially sensitive and subject
+# to change depending on the environment.
+#
+*.tfvars
+
+# Ignore override files as they are usually used to override resources locally and so
+# are not checked in
+override.tf
+override.tf.json
+*_override.tf
+*_override.tf.json
+
+# Include override files you do wish to add to version control using negated pattern
+#
+# !example_override.tf
+
+# Include tfplan files to ignore the plan output of command: terraform plan -out=tfplan
+# example: *tfplan*
+
+# Ignore CLI configuration files
+.terraformrc
+terraform.rc
+
+.idea
+
+Bridge.json
+TaikoL2.json
+IHeaderSync.json

packages/eventindexer/.golangci.yml

@@ -0,0 +1,42 @@
+# See: https://golangci-lint.run/usage/configuration/
+#
+# Note: for VSCode, you must have the following settings to use this configuration:
+#
+# "go.lintTool": "golangci-lint",
+# "go.lintFlags": [
+#   "--fast",
+#   "--config=${workspaceFolder}/.golangci.yml"
+# ],
+
+output:
+  format: colored-line-number
+
+linters:
+  enable:
+    - errcheck
+    - funlen
+    - gocognit
+    - gocritic
+    - gofmt
+    - golint
+    - gosec
+    - gosimple
+    - lll
+    - unused
+    - whitespace
+    - wsl
+
+linters-settings:
+  funlen:
+    lines: 137
+    statements: 54
+  gocognit:
+    min-complexity: 43
+
+issues:
+  exclude-rules:
+    # Exclude some linters from running on tests files.
+    - path: _test\.go
+      linters:
+        - funlen
+

packages/eventindexer/README.md

@@ -9,4 +9,4 @@ Catches events, stores them in the database to be queried via API.
 
 run `cp .default.env .env`, and add your own private key as `RELAYER_ECDSA_KEY` in `.env`. You need to be running a MySQL instance, and replace all the `MYSQL_` env vars with yours.
 
-Run `go run cmd/main.go --help` to see a list of possible configuration flags, or `go run cmd/main.go` to run with defaults, which will process messages from L1 to L2, and from L2 to L1, and start indexing blocks from 0.
+Run `go run cmd/main.go --help` to see a list of possible configuration flags, or `go run cmd/main.go` to run with defaults, which will process messages from L1 to L2, and from L2 to L1, and start indexing blocks from 0.