const bencode = require('bencode');
const string2compact = require('string2compact');

module.exports = (peers, res) => {
  const response = bencode.encode({
    interval: 30 * 60, // 30 minutes between requests
    peers: string2compact(peers),
  });
  res
    .set({
      'Content-Length': response.length,
    })
    .end(response);
};