1 files changed, 50 insertions, 0 deletions
diff --git a/ethutil/common.go b/ethutil/common.go
index 2ef2440c7..9b66763b8 100644
--- a/ethutil/common.go
+++ b/ethutil/common.go
@@ -3,10 +3,60 @@ package ethutil
 import (
 	"fmt"
 	"math/big"
+	"os"
+	"os/user"
+	"path"
+	"path/filepath"
 	"runtime"
 	"time"
+
+	"github.com/kardianos/osext"
 )
 
+func DefaultAssetPath() string {
+	var assetPath string
+	pwd, _ := os.Getwd()
+	srcdir := path.Join(os.Getenv("GOPATH"), "src", "github.com", "ethereum", "go-ethereum", "cmd", "mist")
+
+	// If the current working directory is the go-ethereum dir
+	// assume a debug build and use the source directory as
+	// asset directory.
+	if pwd == srcdir {
+		assetPath = path.Join(pwd, "assets")
+	} else {
+		switch runtime.GOOS {
+		case "darwin":
+			// Get Binary Directory
+			exedir, _ := osext.ExecutableFolder()
+			assetPath = filepath.Join(exedir, "../Resources")
+		case "linux":
+			assetPath = "/usr/share/mist"
+		case "windows":
+			assetPath = "./assets"
+		default:
+			assetPath = "."
+		}
+	}
+
+	// Check if the assetPath exists. If not, try the source directory
+	// This happens when binary is run from outside cmd/mist directory
+	if _, err := os.Stat(assetPath); os.IsNotExist(err) {
+		assetPath = path.Join(srcdir, "assets")
+	}
+
+	return assetPath
+}
+
+func DefaultDataDir() string {
+	usr, _ := user.Current()
+	if runtime.GOOS == "darwin" {
+		return path.Join(usr.HomeDir, "Library/Ethereum")
+	} else if runtime.GOOS == "windows" {
+		return path.Join(usr.HomeDir, "AppData/Roaming/Ethereum")
+	} else {
+		return path.Join(usr.HomeDir, ".ethereum")
+	}
+}
 func IsWindows() bool {
 	return runtime.GOOS == "windows"
 }