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Appendix

Last updated: 2026-06-18 10:31
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Example of Obtaining the UTC Expiration Time

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  1. /**
  2. * Obtain the expiration time in UTC format.
  3. * @param expectedExpiredTime: Transaction expiration time, in minutes.
  4. * @return: UTC time.
  5. */
  6. private static String getTradeExpireTime(int expectedExpiredTime) {
  7.      SimpleDateFormat formater = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ");
  8.      formater.setTimeZone(TimeZone.getTimeZone("UTC"));
  9.      Calendar calendar = Calendar.getInstance();
  10.      calendar.set(Calendar.MINUTE, calendar.get(Calendar.MINUTE) + expectedExpiredTime);
  11.      return formater.format(calendar.getTime());
  12.  }
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