Add gofumpt to lint checks

Makefile

@@ -30,6 +30,7 @@ test-race:
 
 .PHONY: lint
 lint:
+	gofumpt -d -extra .
 	revive -set_exit_status ./...
 	go vet ./...
 	staticcheck ./...

cli/main.go

@@ -77,7 +77,6 @@ func Main() {
 		log.Logger.SetFormatter(&logrus.TextFormatter{
 			FullTimestamp: true,
 		})
-
 	}
 
 	if *logDebug {
@@ -150,7 +149,7 @@ func Main() {
 	log.Fatal(server.StartHTTPServer())
 }
 
-func getEnv(key string, defaultValue string) string {
+func getEnv(key, defaultValue string) string {
 	if value, ok := os.LookupEnv(key); ok {
 		return value
 	}

cmd/test-cli/beacon.go

@@ -20,7 +20,7 @@ type beaconBlockData struct {
 	BlockHash common.Hash
 }
 
-func createBeacon(isMergemock bool, beaconEndpoint string, engineEndpoint string) Beacon {
+func createBeacon(isMergemock bool, beaconEndpoint, engineEndpoint string) Beacon {
 	if isMergemock {
 		return &MergemockBeacon{engineEndpoint}
 	}

cmd/test-cli/main.go

@@ -10,9 +10,8 @@ import (
 
 	"github.com/ethereum/go-ethereum/common"
 	boostTypes "github.com/flashbots/go-boost-utils/types"
-	"github.com/sirupsen/logrus"
-
 	"github.com/flashbots/mev-boost/server"
+	"github.com/sirupsen/logrus"
 )
 
 var log = logrus.WithField("service", "cmd/test-cli")
@@ -88,7 +87,7 @@ func doGetHeader(v validatorPrivateData, boostEndpoint string, beaconNode Beacon
 	return getHeaderResp
 }
 
-func doGetPayload(v validatorPrivateData, boostEndpoint string, beaconNode Beacon, engineEndpoint string, builderSigningDomain boostTypes.Domain, proposerSigningDomain boostTypes.Domain) {
+func doGetPayload(v validatorPrivateData, boostEndpoint string, beaconNode Beacon, engineEndpoint string, builderSigningDomain, proposerSigningDomain boostTypes.Domain) {
 	header := doGetHeader(v, boostEndpoint, beaconNode, engineEndpoint, builderSigningDomain)
 
 	blindedBeaconBlock := boostTypes.BlindedBeaconBlock{
@@ -244,7 +243,7 @@ func main() {
 	}
 }
 
-func getEnv(key string, defaultValue string) string {
+func getEnv(key, defaultValue string) string {
 	if value, ok := os.LookupEnv(key); ok {
 		return value
 	}

cmd/test-cli/requests.go

@@ -21,7 +21,7 @@ type jsonrpcMessage struct {
 	Result json.RawMessage `json:"result,omitempty"`
 }
 
-func sendJSONRequest(endpoint string, payload any, dst any) error {
+func sendJSONRequest(endpoint string, payload, dst any) error {
 	payloadBytes, err := json.Marshal(payload)
 	if err != nil {
 		return err

cmd/test-cli/validator.go

@@ -22,7 +22,7 @@ func (v *validatorPrivateData) SaveValidator(filePath string) error {
 	if err != nil {
 		return err
 	}
-	return os.WriteFile(filePath, validatorData, 0644)
+	return os.WriteFile(filePath, validatorData, 0o644)
 }
 
 func mustLoadValidator(filePath string) validatorPrivateData {

server/errors.go

@@ -2,7 +2,5 @@ package server
 
 import "fmt"
 
-var (
-	// ErrMissingRelayPubkey is returned if a new RelayEntry URL has no public key
-	ErrMissingRelayPubkey = fmt.Errorf("missing relay public key")
-)
+// ErrMissingRelayPubkey is returned if a new RelayEntry URL has no public key
+var ErrMissingRelayPubkey = fmt.Errorf("missing relay public key")

server/service.go

@@ -31,8 +31,10 @@ var (
 	errServerAlreadyRunning = errors.New("server already running")
 )
 
-var nilHash = types.Hash{}
-var nilResponse = struct{}{}
+var (
+	nilHash     = types.Hash{}
+	nilResponse = struct{}{}
+)
 
 type httpErrorResp struct {
 	Code    int    `json:"code"`
@@ -486,7 +488,6 @@ func (m *BoostService) handleGetPayload(w http.ResponseWriter, req *http.Request
 
 			responsePayload := new(types.GetPayloadResponse)
 			_, err := SendHTTPRequest(requestCtx, m.httpClientGetPayload, http.MethodPost, url, ua, payload, responsePayload)
-
 			if err != nil {
 				log.WithError(err).Error("error making request to relay")
 				return

server/service_test.go

@@ -53,7 +53,7 @@ func newTestBackend(t *testing.T, numRelays int, relayTimeout time.Duration) *te
 	return &backend
 }
 
-func (be *testBackend) request(t *testing.T, method string, path string, payload any) *httptest.ResponseRecorder {
+func (be *testBackend) request(t *testing.T, method, path string, payload any) *httptest.ResponseRecorder {
 	var req *http.Request
 	var err error
 

server/utils.go

@@ -25,7 +25,7 @@ type UserAgent string
 type BlockHashHex string
 
 // SendHTTPRequest - prepare and send HTTP request, marshaling the payload if any, and decoding the response if dst is set
-func SendHTTPRequest(ctx context.Context, client http.Client, method, url string, userAgent UserAgent, payload any, dst any) (code int, err error) {
+func SendHTTPRequest(ctx context.Context, client http.Client, method, url string, userAgent UserAgent, payload, dst any) (code int, err error) {
 	var req *http.Request
 
 	if payload == nil {
@@ -81,7 +81,7 @@ func SendHTTPRequest(ctx context.Context, client http.Client, method, url string
 }
 
 // ComputeDomain computes the signing domain
-func ComputeDomain(domainType types.DomainType, forkVersionHex string, genesisValidatorsRootHex string) (domain types.Domain, err error) {
+func ComputeDomain(domainType types.DomainType, forkVersionHex, genesisValidatorsRootHex string) (domain types.Domain, err error) {
 	genesisValidatorsRoot := types.Root(common.HexToHash(genesisValidatorsRootHex))
 	forkVersionBytes, err := hexutil.Decode(forkVersionHex)
 	if err != nil || len(forkVersionBytes) > 4 {