Merge pull request #5266

576116d4 wallet: fix load failure if the mms isn't usable (moneromooo-monero)

src/simplewallet/simplewallet.cpp

@@ -10007,6 +10007,16 @@ void simple_wallet::mms_auto_config(const std::vector<std::string> &args)
 
 bool simple_wallet::mms(const std::vector<std::string> &args)
 {
+  try
+  {
+    m_wallet->get_multisig_wallet_state();
+  }
+  catch(const std::exception &e)
+  {
+    fail_msg_writer() << tr("MMS not available in this wallet");
+    return true;
+  }
+
   try
   {
     mms::message_store& ms = m_wallet->get_message_store();

src/wallet/wallet2.cpp

@@ -5120,7 +5120,14 @@ void wallet2::load(const std::string& wallet_, const epee::wipeable_string& pass
     MERROR("Failed to save rings, will try again next time");
   }
   
-  m_message_store.read_from_file(get_multisig_wallet_state(), m_mms_file);
+  try
+  {
+    m_message_store.read_from_file(get_multisig_wallet_state(), m_mms_file);
+  }
+  catch (const std::exception &e)
+  {
+    MERROR("Failed to initialize MMS, it will be unusable");
+  }
 }
 //----------------------------------------------------------------------------------------------------
 void wallet2::trim_hashchain()