@Override JSONStreamAware processRequest(HttpServletRequest req) throws NxtException { Currency currency = ParameterParser.getCurrency(req); long units = ParameterParser.getLong(req, "units", 0, currency.getReserveSupply(), false); Account account = ParameterParser.getSenderAccount(req); Attachment attachment = new Attachment.MonetarySystemReserveClaim(currency.getId(), units); return createTransaction(req, account, attachment); }