code: @Override
    public AccountInfo getAccountInfo() throws IOException {
      final RippleAccountBalances account = getRippleAccountBalances();
      final String username = exchange.getExchangeSpecification().getApiKey();
      return RippleAdapters.adaptAccountInfo(account, username);
    }
docs: A wallet's currency will be prefixed with the issuing counterparty address for all currencies
  other than XRP.