refactor: use slices.Contains to simplify code

api/logfilter/logfilter.go

@@ -2,6 +2,7 @@ package logfilter
 
 import (
 	"bytes"
+	"slices"
 
 	"github.com/iotexproject/go-pkgs/bloom"
 	"github.com/iotexproject/iotex-proto/golang/iotexapi"
@@ -57,11 +58,8 @@ func (l *LogFilter) MatchLogs(receipts []*action.Receipt) []*action.Log {
 func (l *LogFilter) match(log *iotextypes.Log) bool {
 	addrMatch := len(l.pbFilter.Address) == 0
 	if !addrMatch {
-		for _, e := range l.pbFilter.Address {
-			if e == log.ContractAddress {
-				addrMatch = true
-				break
-			}
+		if slices.Contains(l.pbFilter.Address, log.ContractAddress) {
+			addrMatch = true
 		}
 	}
 	if !addrMatch {
@@ -105,10 +103,8 @@ func (l *LogFilter) ExistInBloomFilter(bf bloom.BloomFilter) bool {
 			continue
 		}
 
-		for _, v := range e.Topic {
-			if bf.Exist(v) {
-				return true
-			}
+		if slices.ContainsFunc(e.Topic, bf.Exist) {
+			return true
 		}
 	}
 	// {} or nil matches any address or topic list

blockchain/config.go

@@ -8,6 +8,7 @@ package blockchain
 import (
 	"crypto/ecdsa"
 	"os"
+	"slices"
 	"strconv"
 	"strings"
 	"time"
@@ -263,11 +264,5 @@ func (cfg *Config) whitelistSignatureScheme(sk crypto.PrivateKey) bool {
 	if sigScheme == "" {
 		return false
 	}
-	for _, e := range cfg.SignatureScheme {
-		if sigScheme == e {
-			// signature scheme is whitelisted
-			return true
-		}
-	}
-	return false
+	return slices.Contains(cfg.SignatureScheme, sigScheme)
 }

consensus/scheme/rolldpos/roundcalculator.go

@@ -6,6 +6,7 @@
 package rolldpos
 
 import (
+	"slices"
 	"time"
 
 	"github.com/pkg/errors"
@@ -118,13 +119,7 @@ func (c *roundCalculator) IsDelegate(addr string, height uint64) bool {
 		log.L().Warn("Failed to get delegates", zap.Error(err))
 		return false
 	}
-	for _, d := range delegates {
-		if addr == d {
-			return true
-		}
-	}
-
-	return false
+	return slices.Contains(delegates, addr)
 }
 
 // RoundInfo returns information of round by the given height and current time

consensus/scheme/rolldpos/roundctx.go

@@ -6,6 +6,7 @@
 package rolldpos
 
 import (
+	"slices"
 	"time"
 
 	"github.com/pkg/errors"
@@ -110,13 +111,7 @@ func (ctx *roundCtx) Proposers() []string {
 }
 
 func (ctx *roundCtx) IsDelegate(addr string) bool {
-	for _, d := range ctx.delegates {
-		if addr == d {
-			return true
-		}
-	}
-
-	return false
+	return slices.Contains(ctx.delegates, addr)
 }
 
 func (ctx *roundCtx) Block(blkHash []byte) *block.Block {

ioctl/config/configsetget.go

@@ -9,6 +9,7 @@ import (
 	"fmt"
 	"os"
 	"regexp"
+	"slices"
 	"strconv"
 	"strings"
 
@@ -226,12 +227,7 @@ func isValidEndpoint(endpoint string) bool {
 
 // isValidExplorer checks if the explorer is a valid option
 func isValidExplorer(arg string) bool {
-	for _, exp := range _validExpl {
-		if arg == exp {
-			return true
-		}
-	}
-	return false
+	return slices.Contains(_validExpl, arg)
 }
 
 // isSupportedLanguage checks if the language is a supported option and returns index when supported

ioctl/newcmd/config/config.go

@@ -11,6 +11,7 @@ import (
 	"os"
 	"path/filepath"
 	"regexp"
+	"slices"
 	"strconv"
 	"strings"
 
@@ -352,12 +353,7 @@ func isValidEndpoint(endpoint string) bool {
 
 // isValidExplorer checks if the explorer is a valid option
 func isValidExplorer(arg string) bool {
-	for _, exp := range _validExpl {
-		if arg == exp {
-			return true
-		}
-	}
-	return false
+	return slices.Contains(_validExpl, arg)
 }
 
 // writeConfig writes to config file

ioctl/util/util.go

@@ -13,6 +13,7 @@ import (
 	"os"
 	"os/signal"
 	"path/filepath"
+	"slices"
 	"strconv"
 	"strings"
 	"syscall"
@@ -189,10 +190,8 @@ func JwtAuth() (jwt metadata.MD, err error) {
 // CheckArgs used for check ioctl cmd arg(s)'s num
 func CheckArgs(validNum ...int) cobra.PositionalArgs {
 	return func(cmd *cobra.Command, args []string) error {
-		for _, n := range validNum {
-			if len(args) == n {
-				return nil
-			}
+		if slices.Contains(validNum, len(args)) {
+			return nil
 		}
 		nums := strings.Replace(strings.Trim(fmt.Sprint(validNum), "[]"), " ", " or ", -1)
 		return fmt.Errorf("accepts "+nums+" arg(s), received %d", len(args))