☰

CnAD

Auto claim faucet with captcha detection, real clicks, dropdown navigation, and error handling on coinadster.com faucet page

// ==UserScript==
// @name         CnAD
// @namespace    http://tampermonkey.net/
// @version      1.8
// @description  Auto claim faucet with captcha detection, real clicks, dropdown navigation, and error handling on coinadster.com faucet page
// @author       👽
// @match        https://coinadster.com/*
// @grant        none
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';

    const CLAIM_BUTTON_SELECTOR = 'button[name="claim_faucet"].btn-primary';
    const RECAPTCHA_TEXTAREA = 'textarea[name="g-recaptcha-response"]';
    const HCAPTCHA_TEXTAREA = 'textarea[name="h-captcha-response"]';
    const DROPDOWN_SELECTOR = 'a#dropdown.nav-link';
    const FAUCET_LINK_SELECTOR = 'a.dropdown-item[href="https://coinadster.com"]';
    const ERROR_SELECTOR = '.rc-anchor-center-item.rc-anchor-error-message';

    const WAIT_BETWEEN_CLAIMS = 320000; // 5 min 20 sec

    let claimInProgress = false;

    function isCaptchaPresent() {
        return !!document.querySelector(RECAPTCHA_TEXTAREA) || !!document.querySelector(HCAPTCHA_TEXTAREA);
    }

    function isCaptchaSolved() {
        const recaptcha = document.querySelector(RECAPTCHA_TEXTAREA);
        const hcaptcha = document.querySelector(HCAPTCHA_TEXTAREA);

        return (recaptcha && recaptcha.value.trim() !== '') || (hcaptcha && hcaptcha.value.trim() !== '');
    }

    function realClick(element) {
        if (!element) return;
        ['mouseover', 'mousedown', 'mouseup', 'click'].forEach(eventType => {
            element.dispatchEvent(new MouseEvent(eventType, {
                view: window,
                bubbles: true,
                cancelable: true,
                buttons: 1
            }));
        });
    }

    function checkForCaptchaError() {
        const errorElement = document.querySelector(ERROR_SELECTOR);
        if (errorElement && errorElement.textContent.includes('Invalid site key')) {
            console.warn('Captcha error detected: Invalid site key. Refreshing in 10 seconds...');
            setTimeout(() => {
                window.location.reload();
            }, 10000);
            return true;
        }
        return false;
    }

    async function claimCycle() {
        if (claimInProgress) return;
        claimInProgress = true;

        await new Promise(r => setTimeout(r, 12000)); // wait 12 sec

        if (checkForCaptchaError()) {
            return; // stop claim cycle to avoid stacking if error is present
        }

        if (!isCaptchaPresent()) {
            const btn = document.querySelector(CLAIM_BUTTON_SELECTOR);
            realClick(btn);
        } else {
            while (!isCaptchaSolved()) {
                if (checkForCaptchaError()) return;
                await new Promise(r => setTimeout(r, 1000));
            }
            await new Promise(r => setTimeout(r, 5000));
            const btn = document.querySelector(CLAIM_BUTTON_SELECTOR);
            realClick(btn);
        }

        await new Promise(r => setTimeout(r, WAIT_BETWEEN_CLAIMS));
        claimInProgress = false;
        claimCycle();
    }

    claimCycle();

    setInterval(() => {
        if (checkForCaptchaError()) return;

        if (isCaptchaPresent()) return;

        const dropdown = document.querySelector(DROPDOWN_SELECTOR);
        const faucetLink = document.querySelector(FAUCET_LINK_SELECTOR);

        if (dropdown) {
            realClick(dropdown);
            setTimeout(() => {
                if (faucetLink) {
                    realClick(faucetLink);
                }
            }, 2000);
        }
    }, 60000);

})();