storage start and identity in shared config

client/config.go

@@ -30,8 +30,10 @@ type Config struct {
 	GroupChatNotifiactions      bool   `json:"group_chat_notifiactions,omitempty"`
 	ChannelNotifications        bool   `json:"channel_notifications,omitempty"`
 	// Inner
-	memoryPassword string
-	identityFile   string
+	memoryPassword      string
+	additionalPasswords []string
+	identityFile        string
+	me                  *Identity
 }
 
 var instance *Config
@@ -75,3 +77,11 @@ func (c *Config) SetMemPass(pass string) {
 func (c *Config) GetMemPass() string {
 	return c.memoryPassword
 }
+
+func (c *Config) SaveIdentity() error {
+	return c.me.Save()
+}
+
+func (c *Config) Clean() {
+	c.additionalPasswords = []string{}
+}