diff --git a/params/config.go b/params/config.go
index 078e903176..bd0a1a8599 100644
--- a/params/config.go
+++ b/params/config.go
@@ -708,19 +708,19 @@ func (b *BorConfig) String() string {
 }
 
 func (c *BorConfig) CalculateProducerDelay(number uint64) uint64 {
-	return borKeyValueConfigHelper(c.ProducerDelay, number)
+	return calculateBorConfigHelper(c.ProducerDelay, number)
 }
 
 func (c *BorConfig) CalculateSprint(number uint64) uint64 {
-	return borKeyValueConfigHelper(c.Sprint, number)
+	return calculateBorConfigHelper(c.Sprint, number)
 }
 
 func (c *BorConfig) CalculateBackupMultiplier(number uint64) uint64 {
-	return c.calculateBorConfigHelper(c.BackupMultiplier, number)
+	return calculateBorConfigHelper(c.BackupMultiplier, number)
 }
 
 func (c *BorConfig) CalculatePeriod(number uint64) uint64 {
-	return c.calculateBorConfigHelper(c.Period, number)
+	return calculateBorConfigHelper(c.Period, number)
 }
 
 func (c *BorConfig) IsJaipur(number *big.Int) bool {
@@ -736,7 +736,7 @@ func (c *BorConfig) IsIndore(number *big.Int) bool {
 }
 
 func (c *BorConfig) CalculateStateSyncDelay(number uint64) uint64 {
-	return borKeyValueConfigHelper(c.StateSyncConfirmationDelay, number)
+	return calculateBorConfigHelper(c.StateSyncConfirmationDelay, number)
 }
 
 // TODO: modify this function once the block number is finalized
@@ -754,19 +754,14 @@ func (c *BorConfig) IsSprintStart(number uint64) bool {
 	return number%c.CalculateSprint(number) == 0
 }
 
-func (c *BorConfig) calculateBorConfigHelper(field map[string]uint64, number uint64) uint64 {
-	keys := make([]string, 0, len(field))
-	for k := range field {
-		keys = append(keys, k)
-	}
-
-	sort.Strings(keys)
+func calculateBorConfigHelper[T uint64 | string](field map[string]T, number uint64) T {
+	keys := sortMapKeys(field)
 
 	for i := 0; i < len(keys)-1; i++ {
 		valUint, _ := strconv.ParseUint(keys[i], 10, 64)
 		valUintNext, _ := strconv.ParseUint(keys[i+1], 10, 64)
 
-		if number > valUint && number < valUintNext {
+		if number >= valUint && number < valUintNext {
 			return field[keys[i]]
 		}
 	}
@@ -774,28 +769,18 @@ func (c *BorConfig) calculateBorConfigHelper(field map[string]uint64, number uin
 	return field[keys[len(keys)-1]]
 }
 
-func borKeyValueConfigHelper[T uint64 | string](field map[string]T, number uint64) T {
-	keys := make([]string, 0, len(field))
-	for k := range field {
+func sortMapKeys[T uint64 | string](m map[string]T) []string {
+	keys := make([]string, 0, len(m))
+	for k := range m {
 		keys = append(keys, k)
 	}
-
 	sort.Strings(keys)
 
-	for i := 0; i < len(keys)-1; i++ {
-		valUint, _ := strconv.ParseUint(keys[i], 10, 64)
-		valUintNext, _ := strconv.ParseUint(keys[i+1], 10, 64)
-
-		if number >= valUint && number < valUintNext {
-			return field[keys[i]]
-		}
-	}
-
-	return field[keys[len(keys)-1]]
+	return keys
 }
 
 func (c *BorConfig) CalculateBurntContract(number uint64) string {
-	return borKeyValueConfigHelper(c.BurntContract, number)
+	return calculateBorConfigHelper(c.BurntContract, number)
 }
 
 // Description returns a human-readable description of ChainConfig.