fix(path): build directory

benchmarking/config.go

@@ -2,6 +2,10 @@ package benchmarking
 
 import (
 	"flag"
+	"fmt"
+	"log"
+	"os"
+	"path/filepath"
 )
 
 // cmd flags and other options related to benchmarking
@@ -16,7 +20,13 @@ type benchmarkingConfig struct {
 
 func initBenchmarkingConfig() benchmarkingConfig {
 	cfg := benchmarkingConfig{}
-	cfg.WasmRuntime = "../../../build/runtime.wasm"
+
+	buildDir, err := getBuildDir()
+	if err != nil {
+		log.Fatal(err)
+	}
+	cfg.WasmRuntime = filepath.Join(buildDir, "runtime.wasm")
+
 	flag.IntVar(&cfg.Steps, "steps", 50, "Select how many samples we should take across the variable components.")
 	flag.IntVar(&cfg.Repeat, "repeat", 20, "Select how many repetitions of this benchmark should run from within the wasm.")
 	flag.IntVar(&cfg.HeapPages, "heap-pages", 4096, "Cache heap allocation pages.")
@@ -42,3 +52,29 @@ func initOverheadConfig() overheadConfig {
 	flag.IntVar(&cfg.MaxExtPerBlock, "overhead.maxExtPerBlock", 200, "Maximum number of extrinsics per block")
 	return cfg
 }
+
+func getBuildDir() (string, error) {
+	currentDir, err := os.Getwd()
+	if err != nil {
+		return "", fmt.Errorf("failed to get current directory: %v", err)
+	}
+
+	for {
+		// check if the directory exists
+		buildDirPath := filepath.Join(currentDir, "build")
+		stat, err := os.Stat(buildDirPath)
+		if err == nil && stat.IsDir() {
+			return buildDirPath, nil
+		}
+
+		// move up one level
+		parentDir := filepath.Dir(currentDir)
+		if parentDir == currentDir {
+			// reached the root directory
+			break
+		}
+		currentDir = parentDir
+	}
+
+	return "", fmt.Errorf("could not find \"build\" directory")
+}