simplewallet: add restore_height command

src/simplewallet/simplewallet.cpp

@@ -801,6 +801,12 @@ bool simple_wallet::encrypted_seed(const std::vector<std::string> &args/* = std:
   return print_seed(true);
 }
 
+bool simple_wallet::restore_height(const std::vector<std::string> &args/* = std::vector<std::string>()*/)
+{
+  success_msg_writer() << m_wallet->get_refresh_from_block_height();
+  return true;
+}
+
 bool simple_wallet::seed_set_language(const std::vector<std::string> &args/* = std::vector<std::string>()*/)
 {
   if (m_wallet->key_on_device())
@@ -2843,6 +2849,9 @@ simple_wallet::simple_wallet()
   m_cmd_binder.set_handler("seed",
                            boost::bind(&simple_wallet::seed, this, _1),
                            tr("Display the Electrum-style mnemonic seed"));
+  m_cmd_binder.set_handler("restore_height",
+                           boost::bind(&simple_wallet::restore_height, this, _1),
+                           tr("Display the restore height"));
   m_cmd_binder.set_handler("set",
                            boost::bind(&simple_wallet::set_variable, this, _1),
                            tr(USAGE_SET_VARIABLE),

src/simplewallet/simplewallet.h

@@ -109,6 +109,7 @@ namespace cryptonote
     bool spendkey(const std::vector<std::string> &args = std::vector<std::string>());
     bool seed(const std::vector<std::string> &args = std::vector<std::string>());
     bool encrypted_seed(const std::vector<std::string> &args = std::vector<std::string>());
+    bool restore_height(const std::vector<std::string> &args = std::vector<std::string>());
 
     /*!
      * \brief Sets seed language.