fix linters warnings

cmd/statusd/utils.go

@@ -2,7 +2,6 @@ package main
 
 import "C"
 import (
-	"context"
 	"encoding/json"
 	"io/ioutil"
 	"math/big"

e2e/suites.go

@@ -12,8 +12,7 @@ import (
 // NodeManagerTestSuite defines a test suit with NodeManager.
 type NodeManagerTestSuite struct {
 	suite.Suite
-	NodeManager       common.NodeManager
-	nodeSyncCompleted bool
+	NodeManager common.NodeManager
 }
 
 // StartTestNode initiazes a NodeManager instances with configuration retrieved
@@ -52,8 +51,7 @@ func (s *NodeManagerTestSuite) StopTestNode() {
 // and a few utility methods to start and stop node or get various services.
 type BackendTestSuite struct {
 	suite.Suite
-	Backend           *api.StatusBackend
-	nodeSyncCompleted bool
+	Backend *api.StatusBackend
 }
 
 // SetupTest initializes Backend.

e2e/transactions/transactions_test.go

@@ -9,8 +9,6 @@ import (
 	"testing"
 	"time"
 
-	"context"
-
 	"github.com/ethereum/go-ethereum/accounts/keystore"
 	gethcommon "github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"

e2e/whisper/whisper_jail_test.go

@@ -20,6 +20,7 @@ import (
 )
 
 const (
+	//nolint: unused, varcheck
 	whisperMessage1 = `test message 1 (K1 -> K2, signed+encrypted, from us)`
 	whisperMessage2 = `test message 3 (K1 -> "", signed broadcast)`
 	whisperMessage3 = `test message 4 ("" -> "", anon broadcast)`