message: Add wallet_unlocked_exception
diff: @@ -259,6 +259,8 @@ namespace eosio { namespace chain {
  3110005, "Invalid wallet password" )
  FC_DECLARE_DERIVED_EXCEPTION( wallet_not_available_exception, wallet_exception,
  3110006, "No available wallet" )
  + FC_DECLARE_DERIVED_EXCEPTION( wallet_unlocked_exception, wallet_exception,
  + 3110007, "Already unlocked" )
  } } // eosio::chain
  