add rollback interface

routers/api/v1/node.go

@@ -569,19 +569,26 @@ func Rollback(c *gin.Context) {
 		app.BityuanFlag  = false
 		return
 	}
-	rollheight := pai.LocalLastHeight
 	if pai.LocalLastHeight == 0 {
 		tlog.Error("LocalLastHeight","height",pai.LocalLastHeight)
 		appG.Response(http.StatusOK,e.NODE_ERROR,err)
 		app.BityuanFlag  = false
+		return
 	}
+	rollheight := pai.LocalLastHeight - 1000
 	if (pai.LocalLastHeight - 1000) <= 0 {
 		rollheight = 1
 	}
 	time.Sleep(time.Second * 2)
 	tlog.Info("rollback start","height",pai.LocalLastHeight,"rollbackheight",rollheight)
 	var buf bytes.Buffer
-	cmd := exec.Command("v7-bityuan", "-rollback",fmt.Sprintf("%d",rollheight))
+	path := app.GetAbsPath(setting.BityuanSetting.Name)
+	if path == "" {
+		tlog.Error("GetAbsPath","err","path not exists")
+		appG.Response(http.StatusOK,e.NODE_ERROR,err)
+		return
+	}
+	cmd := exec.Command(path+"/"+setting.BityuanSetting.Name, "-rollback",fmt.Sprintf("%d",rollheight))
 	cmd.Stdout = &buf
 	err = cmd.Run()
 	if err != nil {