Replace deprecated linter deadcode with unused (#11334)

* Replace deprecated linter deadcode with unused

* Ignore unused warnings

* Print filename and line number when linting fails

* Fix path

* Remove unused methods

Co-authored-by: Preston Van Loon <preston@prysmaticlabs.com>
Co-authored-by: terencechain <terence@prysmaticlabs.com>

.github/workflows/go.yml

@@ -53,6 +53,7 @@ jobs:
         uses: golangci/golangci-lint-action@v3
         with:
           version: v1.47.2
+          args: --config=.golangci.yml --out-${NO_FUTURE}format colored-line-number
 
   build:
     name: Build

.golangci.yml

@@ -13,7 +13,7 @@ linters:
   enable:
     - gofmt
     - goimports
-    - deadcode
+    - unused
     - errcheck
     - gosimple
     - gocognit

api/client/beacon/checkpoint.go

@@ -21,7 +21,7 @@ import (
 // OriginData represents the BeaconState and SignedBeaconBlock necessary to start an empty Beacon Node
 // using Checkpoint Sync.
 type OriginData struct {
-	wsd *WeakSubjectivityData
+	wsd *WeakSubjectivityData // nolint:unused
 	sb  []byte
 	bb  []byte
 	st  state.BeaconState

api/client/beacon/client.go

@@ -95,8 +95,6 @@ func WithTimeout(timeout time.Duration) ClientOpt {
 // Client provides a collection of helper methods for calling the Eth Beacon Node API endpoints.
 type Client struct {
 	hc      *http.Client
-	host    string
-	scheme  string
 	baseURL *url.URL
 }
 

beacon-chain/execution/service.go

@@ -316,7 +316,7 @@ func (s *Service) updateBeaconNodeStats() {
 	s.cfg.beaconNodeStatsUpdater.Update(bs)
 }
 
-func (s *Service) updateCurrHttpEndpoint(endpoint network.Endpoint) {
+func (s *Service) updateCurrHttpEndpoint(endpoint network.Endpoint) { // nolint:unused
 	s.cfg.currHttpEndpoint = endpoint
 	s.updateBeaconNodeStats()
 }

beacon-chain/node/node.go

@@ -105,7 +105,6 @@ type BeaconNode struct {
 	slasherAttestationsFeed *event.Feed
 	finalizedStateAtStartUp state.BeaconState
 	serviceFlagOpts         *serviceFlagOpts
-	blockchainFlagOpts      []blockchain.Option
 	GenesisInitializer      genesis.Initializer
 	CheckpointInitializer   checkpoint.Initializer
 }

beacon-chain/rpc/eth/validator/validator.go

@@ -195,11 +195,11 @@ func (vs *Server) GetProposerDuties(ctx context.Context, req *ethpbv1.ProposerDu
 // where `epoch` is described as `epoch // EPOCHS_PER_SYNC_COMMITTEE_PERIOD <= current_epoch // EPOCHS_PER_SYNC_COMMITTEE_PERIOD + 1`.
 //
 // Algorithm:
-//  - Get the last valid epoch. This is the last epoch of the next sync committee period.
-//  - Get the state for the requested epoch. If it's a future epoch from the current sync committee period
-//  or an epoch from the next sync committee period, then get the current state.
-//  - Get the state's current sync committee. If it's an epoch from the next sync committee period, then get the next sync committee.
-//  - Get duties.
+//   - Get the last valid epoch. This is the last epoch of the next sync committee period.
+//   - Get the state for the requested epoch. If it's a future epoch from the current sync committee period
+//     or an epoch from the next sync committee period, then get the current state.
+//   - Get the state's current sync committee. If it's an epoch from the next sync committee period, then get the next sync committee.
+//   - Get duties.
 func (vs *Server) GetSyncCommitteeDuties(ctx context.Context, req *ethpbv2.SyncCommitteeDutiesRequest) (*ethpbv2.SyncCommitteeDutiesResponse, error) {
 	ctx, span := trace.StartSpan(ctx, "validator.GetSyncCommitteeDuties")
 	defer span.End()
@@ -1035,19 +1035,6 @@ func v1ValidatorStatusToV1Alpha1(valStatus ethpbv1.ValidatorStatus) ethpbalpha.V
 	}
 }
 
-func (vs *Server) v1BeaconBlock(ctx context.Context, req *ethpbv1.ProduceBlockRequest) (*ethpbv1.BeaconBlock, error) {
-	v1alpha1req := &ethpbalpha.BlockRequest{
-		Slot:         req.Slot,
-		RandaoReveal: req.RandaoReveal,
-		Graffiti:     req.Graffiti,
-	}
-	v1alpha1resp, err := vs.V1Alpha1Server.GetBeaconBlock(ctx, v1alpha1req)
-	if err != nil {
-		return nil, err
-	}
-	return migration.V1Alpha1ToV1Block(v1alpha1resp.GetPhase0())
-}
-
 func syncCommitteeDutiesLastValidEpoch(currentEpoch types.Epoch) types.Epoch {
 	currentSyncPeriodIndex := currentEpoch / params.BeaconConfig().EpochsPerSyncCommitteePeriod
 	// Return the last epoch of the next sync committee.

beacon-chain/rpc/prysm/v1alpha1/validator/status.go

@@ -30,13 +30,14 @@ var errParticipation = status.Errorf(codes.Internal, "Failed to obtain epoch par
 
 // ValidatorStatus returns the validator status of the current epoch.
 // The status response can be one of the following:
-//  DEPOSITED - validator's deposit has been recognized by Ethereum 1, not yet recognized by Ethereum.
-//  PENDING - validator is in Ethereum's activation queue.
-//  ACTIVE - validator is active.
-//  EXITING - validator has initiated an an exit request, or has dropped below the ejection balance and is being kicked out.
-//  EXITED - validator is no longer validating.
-//  SLASHING - validator has been kicked out due to meeting a slashing condition.
-//  UNKNOWN_STATUS - validator does not have a known status in the network.
+//
+//	DEPOSITED - validator's deposit has been recognized by Ethereum 1, not yet recognized by Ethereum.
+//	PENDING - validator is in Ethereum's activation queue.
+//	ACTIVE - validator is active.
+//	EXITING - validator has initiated an an exit request, or has dropped below the ejection balance and is being kicked out.
+//	EXITED - validator is no longer validating.
+//	SLASHING - validator has been kicked out due to meeting a slashing condition.
+//	UNKNOWN_STATUS - validator does not have a known status in the network.
 func (vs *Server) ValidatorStatus(
 	ctx context.Context,
 	req *ethpb.ValidatorStatusRequest,
@@ -363,15 +364,6 @@ func (vs *Server) validatorStatus(
 	}
 }
 
-func (vs *Server) retrieveAfterEpochTransition(ctx context.Context, epoch types.Epoch) (state.BeaconState, error) {
-	endSlot, err := slots.EpochEnd(epoch)
-	if err != nil {
-		return nil, err
-	}
-	// replay to first slot of following epoch
-	return vs.ReplayerBuilder.ReplayerForSlot(endSlot).ReplayToSlot(ctx, endSlot+1)
-}
-
 func checkValidatorsAreRecent(headEpoch types.Epoch, req *ethpb.DoppelGangerRequest) (bool, *ethpb.DoppelGangerResponse) {
 	validatorsAreRecent := true
 	resp := &ethpb.DoppelGangerResponse{

beacon-chain/state/stategen/replayer.go

@@ -63,7 +63,7 @@ type chainer interface {
 }
 
 type stateReplayer struct {
-	s       state.BeaconState
+	s       state.BeaconState // nolint:unused
 	target  types.Slot
 	method  retrievalMethod
 	chainer chainer

config/params/testnet_e2e_config.go

@@ -2,7 +2,7 @@ package params
 
 const (
 	altairE2EForkEpoch    = 6
-	bellatrixE2EForkEpoch = 8 //nolint:deadcode
+	bellatrixE2EForkEpoch = 8
 )
 
 // E2ETestConfig retrieves the configurations made specifically for E2E testing.