feat: add go and release workflow

.github/workflows/go-ci.yml

@@ -0,0 +1,39 @@
+name: mev-commit-oracle-ci
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build-and-test:
+    name: Build and Test
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Check out code
+      uses: actions/checkout@v2
+
+    - name: Set up Go 1.21.1
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.21.1
+      id: go
+
+    - name: Lint with golangci-lint v1.54.2
+      uses: golangci/golangci-lint-action@v2
+      with:
+        version: v1.54.2
+
+    - name: Vet
+      run: go vet ./...
+
+    - name: Build
+      run: go build ./...
+
+    - name: Test
+      run: go test -short ./...
+

.github/workflows/goreleaser.yaml

@@ -0,0 +1,36 @@
+name: goreleaser
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+permissions:
+  contents: write
+  packages: write
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - if: ${{ !startsWith(github.ref, 'refs/tags/v') }}
+        run: echo "flags=--snapshot" >> $GITHUB_ENV
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - uses: actions/setup-go@v3
+        with:
+          go-version: 1.21
+          cache: true
+      - name: GHCR Docker Login
+        run: echo "${{ secrets.CR_PAT }}" | docker login ghcr.io -u ${{ secrets.GHCR_USERNAME }} --password-stdin
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+      - uses: goreleaser/goreleaser-action@v4
+        with:
+          distribution: goreleaser
+          version: latest
+          args: release --clean ${{ env.flags }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+

.goreleaser.yaml

@@ -0,0 +1,52 @@
+version: 1
+
+before:
+  hooks:
+    - go mod tidy
+
+builds:
+  - env:
+      - CGO_ENABLED=0
+    goos:
+      - linux
+    goarch:
+      - amd64
+    main: ./cmd
+    flags:
+      - -v
+      - -trimpath
+    ldflags:
+      - -s -w
+
+archives:
+  - format: tar.gz
+    # this name template makes the OS and Arch compatible with the results of `uname`.
+    name_template: >-
+      {{ .ProjectName }}_
+      {{- title .Os }}_
+      {{- if eq .Arch "amd64" }}x86_64
+      {{- else if eq .Arch "386" }}i386
+      {{- else }}{{ .Arch }}{{ end }}
+      {{- if .Arm }}v{{ .Arm }}{{ end }}
+
+dockers:
+  - image_templates:
+    - ghcr.io/primevprotocol/mev-commit-oracle:v{{ .Major }}.{{ .Minor }}
+    - ghcr.io/primevprotocol/mev-commit-oracle:latest
+    dockerfile: Dockerfile.goreleaser
+    use: buildx
+    goarch: amd64
+    build_flag_templates:
+      - "--pull"
+      - "--label=org.opencontainers.image.created={{.Date}}"
+      - "--label=org.opencontainers.image.title={{.ProjectName}}"
+      - "--label=org.opencontainers.image.revision={{.FullCommit}}"
+      - "--label=org.opencontainers.image.version={{.Version}}"
+      - "--platform=linux/amd64"
+
+changelog:
+  sort: asc
+  filters:
+    exclude:
+      - "^docs:"
+      - "^test:"

Dockerfile.goreleaser

@@ -0,0 +1,7 @@
+FROM alpine:latest
+
+COPY mev-commit-oracle /usr/local/bin/mev-commit-oracle
+
+EXPOSE 8080
+
+ENTRYPOINT ["mev-commit-oracle", "start"]

pkg/apiserver/apiserver.go

@@ -99,7 +99,10 @@ func (a *Service) registerStatsEndpoints() {
 
 		w.Header().Set("Content-Type", "application/json")
 		w.WriteHeader(http.StatusOK)
-		w.Write(resp)
+		_, err = w.Write(resp)
+		if err != nil {
+			log.Error().Err(err).Msg("failed to write response")
+		}
 	})
 
 	a.router.HandleFunc("/stats", func(w http.ResponseWriter, r *http.Request) {
@@ -119,7 +122,10 @@ func (a *Service) registerStatsEndpoints() {
 
 		w.Header().Set("Content-Type", "application/json")
 		w.WriteHeader(http.StatusOK)
-		w.Write(resp)
+		_, err = w.Write(resp)
+		if err != nil {
+			log.Error().Err(err).Msg("failed to write response")
+		}
 	})
 }
 

pkg/node/node.go

@@ -98,12 +98,14 @@ func NewNode(opts *Options) (*Node, error) {
 	)
 	if err != nil {
 		log.Fatal().Err(err).Msg("failed to instantiate preconf contract")
+		cancel()
 		return nil, err
 	}
 
 	oracleContract, err := rollupclient.NewOracle(opts.OracleContractAddr, settlementClient)
 	if err != nil {
 		log.Fatal().Err(err).Msg("failed to instantiate oracle contract")
+		cancel()
 		return nil, err
 	}
 
@@ -121,6 +123,7 @@ func NewNode(opts *Options) (*Node, error) {
 			)
 			if err != nil {
 				log.Fatal().Err(err).Msg("failed to set builder mapping")
+				cancel()
 				return nil, err
 			}
 		}

pkg/settler/settler.go

@@ -183,6 +183,7 @@ func (s *Settler) Start(ctx context.Context) <-chan struct{} {
 		for {
 			select {
 			case <-ctx.Done():
+				unsub()
 				return
 			case settlement, more := <-settlementChan:
 				if !more {

pkg/updater/updater.go

@@ -87,6 +87,7 @@ func (u *Updater) Start(ctx context.Context) <-chan struct{} {
 		for {
 			select {
 			case <-ctx.Done():
+				unsub()
 				return
 			case winner, more := <-winnerChan:
 				if !more {

pkg/updater/updater_test.go

@@ -120,19 +120,17 @@ func TestUpdater(t *testing.T) {
 		if count == 10 {
 			break
 		}
-		select {
-		case settlement := <-testWinnerRegister.settlements:
-			if settlement.blockNum != 5 {
-				t.Fatal("wrong block number")
-			}
-			if settlement.builder != "test" {
-				t.Fatal("wrong builder")
-			}
-			if settlement.isSlash {
-				t.Fatal("should not be slash")
-			}
-			count++
+		settlement := <-testWinnerRegister.settlements
+		if settlement.blockNum != 5 {
+			t.Fatal("wrong block number")
 		}
+		if settlement.builder != "test" {
+			t.Fatal("wrong builder")
+		}
+		if settlement.isSlash {
+			t.Fatal("should not be slash")
+		}
+		count++
 	}
 
 	select {