Merge branch 'develop' of https://github.com/ethereum/go-ethereum into develop

1 files changed, 48 insertions, 0 deletions

diff --git a/ethutil/common.go b/ethutil/common.go
index 271c56fd5..c4e7415dc 100644
--- a/ethutil/common.go
+++ b/ethutil/common.go
@@ -3,9 +3,51 @@ package ethutil
 import (
 	"fmt"
 	"math/big"
+	"os"
+	"os/user"
+	"path"
+	"path/filepath"
 	"runtime"
+	"time"
+
+	"github.com/kardianos/osext"
 )
 
+func DefaultAssetPath() string {
+	var assetPath string
+	// If the current working directory is the go-ethereum dir
+	// assume a debug build and use the source directory as
+	// asset directory.
+	pwd, _ := os.Getwd()
+	if pwd == path.Join(os.Getenv("GOPATH"), "src", "github.com", "ethereum", "go-ethereum", "cmd", "mist") {
+		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 = "."
+		}
+	}
+	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"
 }
@@ -86,3 +128,9 @@ var (
 	Big256   = big.NewInt(0xff)
 	Big257   = big.NewInt(257)
 )
+
+func Bench(pre string, cb func()) {
+	start := time.Now()
+	cb()
+	fmt.Println(pre, ": took:", time.Since(start))
+}