Remove redudant func

cmd/aida-stochastic-sdb/stochastic/replay.go

@@ -120,7 +120,12 @@ func stochasticReplayAction(ctx *cli.Context) error {
 		log.Criticalf("Failed to close database; %v", err)
 	}
 	log.Infof("Closing DB took %v", time.Since(start))
-	log.Noticef("Final disk usage: %v MiB", float32(utils.GetDirectorySize(stateDbDir))/float32(1024*1024))
+
+	size, err := utils.GetDirectorySize(stateDbDir)
+	if err != nil {
+		return fmt.Errorf("cannot size of state-db (%v); %v", stateDbDir, err)
+	}
+	log.Noticef("Final disk usage: %v MiB", float32(size)/float32(1024*1024))
 
 	return runErr
 }

executor/extension/tracker/progress_tracker.go

@@ -1,6 +1,7 @@
 package tracker
 
 import (
+	"fmt"
 	"sync"
 	"time"
 
@@ -95,7 +96,10 @@ func (t *progressTracker) PostBlock(state executor.State[*substate.Substate], ct
 	info := t.overallInfo
 	t.lock.Unlock()
 
-	disk := utils.GetDirectorySize(ctx.StateDbPath)
+	disk, err := utils.GetDirectorySize(ctx.StateDbPath)
+	if err != nil {
+		return fmt.Errorf("cannot size of state-db (%v); %v", ctx.StateDbPath, err)
+	}
 	m := ctx.State.GetMemoryUsage()
 
 	memory := uint64(0)

utils/statedb.go

@@ -2,7 +2,6 @@ package utils
 
 import (
 	"fmt"
-	"io/fs"
 	"os"
 	"path/filepath"
 
@@ -65,7 +64,7 @@ func useExistingStateDB(cfg *Config) (state.StateDB, string, error) {
 			return nil, "", fmt.Errorf("failed to create a temporary directory; %v", err)
 		}
 
-		size, err := FindDirSize(cfg.StateDbSrc)
+		size, err := GetDirectorySize(cfg.StateDbSrc)
 		if err != nil {
 			return nil, "", err
 		}
@@ -258,23 +257,8 @@ func DeleteDestroyedAccountsFromStateDB(db state.StateDB, cfg *Config, target ui
 	return nil
 }
 
-// GetDirectorySize computes the size of all files in the given directory in bytes.
-func GetDirectorySize(directory string) int64 {
-	var sum int64 = 0
-	filepath.Walk(directory, func(path string, info fs.FileInfo, err error) error {
-		if err != nil {
-			return nil
-		}
-		if !info.IsDir() {
-			sum += info.Size()
-		}
-		return nil
-	})
-	return sum
-}
-
-// FindDirSize iterates over all files inside given directory (including subdirectories) and returns size in bytes.
-func FindDirSize(path string) (int64, error) {
+// GetDirectorySize iterates over all files inside given directory (including subdirectories) and returns size in bytes.
+func GetDirectorySize(path string) (int64, error) {
 	var size int64
 	err := filepath.Walk(path, func(_ string, info os.FileInfo, err error) error {
 		if err != nil {