@foxdev/pg-orkut/utils.js

simple payment gateway order kuota with qris

export const getCurrentDateTimeInIndoTime = (tz = "WIB") => {
  const offset = { WIB: 7, WITA: 8, WIT: 9 }[tz] ?? 7;
  const date = new Date(Date.now() + offset * 3600000);
  return date.toISOString().replace("T", " ").slice(0, 19);
};

export function ConvertCRC16(str) {
  let crc = 0xffff;
  for (let i = 0; i < str.length; i++) {
    crc ^= str.charCodeAt(i) << 8;
    for (let j = 0; j < 8; j++) {
      crc = crc & 0x8000 ? (crc << 1) ^ 0x1021 : crc << 1;
    }
  }
  let hex = crc & 0xffff;
  return hex.toString(16).toUpperCase().padStart(4, "0");
}

export function generateReffId() {
  const timestamp = Date.now();
  const random = Math.floor(Math.random() * 10000)
    .toString()
    .padStart(4, "0");
  return `TRX-${timestamp}`;
}