cmd/swarm,pss,swap: fixed linter errors S1038/S1039

cmd/swarm/config.go

@@ -104,7 +104,7 @@ var tomlSettings = toml.Config{
 	MissingField: func(rt reflect.Type, field string) error {
 		link := ""
 		if unicode.IsUpper(rune(rt.Name()[0])) && rt.PkgPath() != "main" {
-			link = fmt.Sprintf(", check github.com/ethersphere/swarm/api/config.go for available fields")
+			link = ", check github.com/ethersphere/swarm/api/config.go for available fields"
 		}
 		return fmt.Errorf("field '%s' is not defined in %s%s", field, rt.String(), link)
 	},

cmd/swarm/download.go

@@ -46,7 +46,7 @@ func download(ctx *cli.Context) {
 	case 0:
 		utils.Fatalf("Usage: swarm down [options] <bzz locator> [<destination path>]")
 	case 1:
-		log.Trace(fmt.Sprintf("swarm down: no destination path - assuming working dir"))
+		log.Trace("swarm down: no destination path - assuming working dir")
 	default:
 		log.Trace(fmt.Sprintf("destination path arg: %s", args[1]))
 		if absDest, err := filepath.Abs(args[1]); err == nil {

cmd/swarm/main.go

@@ -283,8 +283,8 @@ func keys(ctx *cli.Context) error {
 	bzzkey := crypto.Keccak256Hash(pubkey).Hex()
 
 	if !ctx.Bool(SwarmCompressedFlag.Name) {
-		fmt.Println(fmt.Sprintf("bzzkey=%s", bzzkey[2:]))
-		fmt.Println(fmt.Sprintf("publicKey=%s", pubkeyhex))
+		fmt.Print(fmt.Sprintf("bzzkey=%s", bzzkey[2:]), "\n")
+		fmt.Print(fmt.Sprintf("publicKey=%s", pubkeyhex), "\n")
 	}
 	fmt.Println(fmt.Sprintf("publicKeyCompressed=%s", pubCompressed))
 

cmd/swarm/upload_test.go

@@ -100,7 +100,7 @@ func testDefault(t *testing.T, cluster *testCluster, toEncrypt bool) {
 			tmpFileName}
 	}
 	// upload the file with 'swarm up' and expect a hash
-	log.Info(fmt.Sprintf("uploading file with 'swarm up'"))
+	log.Info("uploading file with 'swarm up'")
 	up := runSwarm(t, flags...)
 	_, matches := up.ExpectRegexp(hashRegexp)
 	up.ExpectExit()

pss/api.go

@@ -84,7 +84,7 @@ func (pssapi *API) Receive(ctx context.Context, topic message.Topic, raw bool, p
 		case err := <-psssub.Err():
 			log.Warn(fmt.Sprintf("caught subscription error in pss sub topic %x: %v", topic, err))
 		case <-notifier.Closed():
-			log.Warn(fmt.Sprintf("rpc sub notifier closed"))
+			log.Warn("rpc sub notifier closed")
 		}
 	}()
 

swap/swap.go

@@ -614,7 +614,7 @@ func (s *Swap) promptDepositAmount() (*big.Int, error) {
 	}
 	// log available balance and ERC20 balance
 	s.logger.Info(InitAction, "Balance information", "chequebook available balance", availableBalance, "ERC20 balance", balance)
-	promptMessage := fmt.Sprintf("Please provide the amount in HONEY which will deposited to your chequebook (0 for skipping deposit): ")
+	promptMessage := "Please provide the amount in HONEY which will deposited to your chequebook (0 for skipping deposit): "
 	// need to prompt user for deposit amount
 	prompter := console.Stdin
 	// ask user for input