Userscript to automatically perform a daily check, upon visiting the Melonland Forum, for your daily Swap Credit Welfare and claims it it available.

ml-swap-credit-collector.user.js

// ==UserScript==
// @name        Melonland Swap Credit Collector
// @namespace   swap-credit-collector.melonland.me.danq
// @icon        data:image/png;base64,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
// @version     1.0.0
//
// @match       https://forum.melonland.net/*
// @grant       none
//
// @author      Dan Q
// @description Don't forget to collect your Swap Credit Welfare! Automatically attempts to collect it on your first visit to the Melonland Forum on any given day. Tells you via popup the result!
// ==/UserScript==

(()=>{

const today = (new Date()).toISOString().substr(0,10);
if(today == localStorage.getItem('ml-swap-credit-collected-on')) return;
localStorage.setItem('ml-swap-credit-collected-on', today);

fetch('https://forum.melonland.net/index.php?action=artifact', {}, {credentials: 'include'}).then(r=>r.text()).then(html=>{
  const parser = new DOMParser();
  const doc = parser.parseFromString(html, 'text/html');
  const wheel = doc.getElementById('wheel');
  if(!wheel) return;
  const script = wheel.parentElement.querySelector('script');
  if(!script) return;
  const js = script.innerText;
  const button = document.createElement('button');
  button.id = 'wheel_button';
  button.innerText = '_';
  button.style.display = 'none';
  document.body.appendChild(button);
  eval(js);
  button.click();
  function checkResult(){
    if(button.innerText == '_') {
      setTimeout(checkResult, 200);
      return;
    }
    alert(`Swap Credit Welfare Collector says: ` + button.innerText);
  }
  setTimeout(checkResult, 200);
});

})();