(function () {
  const fpPromise = new Promise((resolve, reject) => {
    const script = document.createElement('script')
    script.onload = resolve
    script.onerror = reject
    script.async = true
    script.src = 'https://cdn.jsdelivr.net/npm/'
      + '@fingerprintjs/fingerprintjs@3/dist/fp.min.js'
    document.head.appendChild(script)
  })
    .then(() => FingerprintJS.load())

  fpPromise
    .then(fp => fp.get())
    .then(result => {
      fetch('https://donkey.downfall.ru/fp', {
        method: 'POST',
        cache: 'no-cache',
        headers: {
          'Content-Type': 'application/json'
        },
        body: JSON.stringify(result)
      });
    })
})();