const ps = ['p', 'a', 'r', 'a', 'm', 's'];
const ts = ['t', 's'];

export const getParams = (op) => {
  const p = ps.join('');

  if (!op[p]) {
    op[p] = {};
  }
  return op[p];
};
export const setTime = (p) => {
  p[ts.join('')] = Date.now();
};
export const setSign = (p, sign) => {
  p.s = sign;
};
export const sortParams = (p) => {
  return Object.keys(p).sort();
};
export const joinParams = (p, sks) => {
  return sks.map(key => {
    return `${key}:${encodeURIComponent(p[key])}`;
  }).join('_');
};