Rinvex Country is a simple and lightweight package for retrieving country details with flexibility. A whole bunch of data including name, demonym, capital, iso codes, dialling codes, geo data, currencies, flags, emoji, and other attributes for all 250 countries worldwide at your fingertips.
Information about Belarus has been updated, as currency redenomination happened. ( proof read http://www.currency-iso.org/dam/downloads/lists/list_one.xml , http://eng.belta.by/economics/view/new-iso-currency-code-for-belarusian-ruble-after-redenomination-87902-2015/ )