Use trimPrefix

helper/hex/hex.go

@@ -55,7 +55,7 @@ func EncodeUint64(i uint64) string {
 // DecodeUint64 decodes a hex string with 0x prefix to uint64
 func DecodeUint64(hexStr string) (uint64, error) {
 	// remove 0x suffix if found in the input string
-	cleaned := strings.Replace(hexStr, "0x", "", -1)
+	cleaned := strings.TrimPrefix(hexStr, "0x")
 
 	// base 16 for hexadecimal
 	result, err := strconv.ParseUint(cleaned, 16, 64)
@@ -69,16 +69,12 @@ func DecodeUint64(hexStr string) (uint64, error) {
 // MustDecodeUint64 decodes a hex string with 0x prefix to uint64
 // Returns panic if there is an error
 func MustDecodeUint64(hexStr string) uint64 {
-	// remove 0x suffix if found in the input string
-	cleaned := strings.Replace(hexStr, "0x", "", -1)
-
-	// base 16 for hexadecimal
-	result, err := strconv.ParseUint(cleaned, 16, 64)
+	decodedValue, err := DecodeUint64(hexStr)
 	if err != nil {
 		panic(fmt.Errorf("could not decode hex: %w", err))
 	}
 
-	return result
+	return decodedValue
 }
 
 const BadNibble = ^uint64(0)