Script for freebitco.in that tracks and presents statistics on rolls in the Multiply BTC game, displaying them in a convenient table format.

freebitcoin_multiply_btc_roll_counter.user.js

// ==UserScript==
// @name         freebitco.in Multiply BTC Roll Counter
// @namespace    https://gist.github.com/valex/22cf8dadc0a9c7d99e28bcdf8bae3457
// @version      0.1
// @description  Script for freebitco.in that tracks and presents statistics on rolls in the Multiply BTC game, displaying them in a convenient table format.
// @author       valex
// @match        https://freebitco.in/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=freebitco.in
// @grant        none
// @run-at       document-end
// ==/UserScript==





// ================================================
//
// If you like this script
// please register using link: https://freebitco.in/?r=41688905
//
// Or please donate BTC: bc1qu9nv6m3fhp9c5e7j7cf4hazumfyvupnda2vrwn
//
// ================================================





// ============ INSTALLATION ======================
//
// 1. Use Tampermonkey extension to run script
//    Chrome: https://chrome.google.com/webstore/detail/dhdgffkkebhmkfjojejmpbldmpobfkfo
//    Firefox: https://addons.mozilla.org/en-US/firefox/addon/tampermonkey/
//    Opera: https://addons.opera.com/en/extensions/details/tampermonkey-beta/
//    Tampermonkey home page: https://www.tampermonkey.net/
//
// 2. In Tampermonkey dashboard click '+' sign to add new script
// 3. Copy and paste into tampermonkey the entire contents of this file
// 4. Save script (Ctrl + S)
// 5. Open freebitco.in in new tab or refresh page
//
// Tampermonkey FAQ page: https://www.tampermonkey.net/faq.php
//
//
// Script is starting after page reload


(function() {
    'use strict';

    console.log("Status: Multiply BTC Roll Counter Script loaded");

    let numRolls = 0;
    let numRollsTd = document.createElement('td');


    const stat = {
        4: {
            'hi': 7625,
            'lo': 2375,
            'miss_hi': 0,
            'miss_lo': 0,
            'miss_hi_td': document.createElement('td'),
            'miss_lo_td': document.createElement('td'),
        },
        8: {
            'hi': 8813,
            'lo': 1188,
            'miss_hi': 0,
            'miss_lo': 0,
            'miss_hi_td': document.createElement('td'),
            'miss_lo_td': document.createElement('td'),
        },
        19: {
            'hi': 9500,
            'lo': 500,
            'miss_hi': 0,
            'miss_lo': 0,
            'miss_hi_td': document.createElement('td'),
            'miss_lo_td': document.createElement('td')
        },
        34: {
            'hi': 9721,
            'lo': 279,
            'miss_hi': 0,
            'miss_lo': 0,
            'miss_hi_td': document.createElement('td'),
            'miss_lo_td': document.createElement('td')
        },
        64: {
            'hi': 9852,
            'lo': 148,
            'miss_hi': 0,
            'miss_lo': 0,
            'miss_hi_td': document.createElement('td'),
            'miss_lo_td': document.createElement('td')
        },
        128: {
            'hi': 9926,
            'lo': 74,
            'miss_hi': 0,
            'miss_lo': 0,
            'miss_hi_td': document.createElement('td'),
            'miss_lo_td': document.createElement('td')
        },
        256: {
            'hi': 9963,
            'lo': 37,
            'miss_hi': 0,
            'miss_lo': 0,
            'miss_hi_td': document.createElement('td'),
            'miss_lo_td': document.createElement('td')
        },
        512: {
            'hi': 9981,
            'lo': 19,
            'miss_hi': 0,
            'miss_lo': 0,
            'miss_hi_td': document.createElement('td'),
            'miss_lo_td': document.createElement('td')
        },
        4750: {
            'hi': 9998,
            'lo': 2,
            'miss_hi': 0,
            'miss_lo': 0,
            'miss_hi_td': document.createElement('td'),
            'miss_lo_td': document.createElement('td')
        },
        8888: {
            'hi': 0,
            'lo': 0,
            'miss_hi': 0,
            'miss_lo': 0,
            'miss_hi_td': document.createElement('td'),
            'miss_lo_td': document.createElement('td')
        }
    };

    let div = document.createElement('div');
    div.style.cssText = 'position:fixed;top:50px;left:0;background-color:white;';

    let table = document.createElement('table');

    let rollsTr = tableRollsRow();
    let headerTr = tableHeaderRow();
    table.appendChild(rollsTr);
    table.appendChild(headerTr);

    for (let betLabel in stat) {
        let tr = document.createElement('tr');

        let tdLabel = document.createElement('td');
        tdLabel.innerHTML = '<span>'+ betLabel +'</span>';

        let tdHi = stat[betLabel]['miss_hi_td'];

        let tdLo = stat[betLabel]['miss_lo_td'];

        tr.appendChild(tdLabel);
        tr.appendChild(tdHi);
        tr.appendChild(tdLo);

        table.appendChild(tr);
    }

    div.appendChild(table);

    document.documentElement.appendChild(div);


    function redraw() {
        numRollsTd.innerHTML = ''+numRolls+'';

        for (let betLabel in stat) {

            stat[betLabel]['miss_hi_td'].innerHTML = ''+stat[betLabel]['miss_hi']+'';
            stat[betLabel]['miss_lo_td'].innerHTML = ''+stat[betLabel]['miss_lo']+'';

        }
    }




    let table_rows = document.getElementById('bet_history_table_rows');

    let rolls = [];


    // create an observer instance
    let observer = new MutationObserver(function(mutationsList) {
        let roll;
        for (let mutation of mutationsList) {
            for (let addedNode of mutation.addedNodes) {
                if(addedNode.className == 'multiply_bet_history_table_row'){

                    roll = parseInt(addedNode.firstChild.childNodes[3].textContent);

                    if (isNaN(roll)) {
                        console.error('roll is Not a number');
                        continue;
                    }

                    if (roll >= 0 && roll <= 10000) {

                        numRolls++;

                        // console.log(roll);

                        for (let betLabel in stat) {

                            if(betLabel==8888){
                                if(roll == 8888){
                                    stat[betLabel]['miss_hi'] = 0;
                                    stat[betLabel]['miss_lo'] = 0;
                                }else{
                                    stat[betLabel]['miss_hi'] = stat[betLabel]['miss_hi'] + 1;
                                    stat[betLabel]['miss_lo'] = stat[betLabel]['miss_lo'] + 1;
                                }

                                continue;
                            }

                            if(roll > stat[betLabel]['hi']){
                                stat[betLabel]['miss_hi'] = 0;
                            }else{
                                stat[betLabel]['miss_hi'] = stat[betLabel]['miss_hi'] + 1;
                            }

                            if(roll < stat[betLabel]['lo']){
                                stat[betLabel]['miss_lo'] = 0;
                            }else{
                                stat[betLabel]['miss_lo'] = stat[betLabel]['miss_lo'] + 1;
                            }
                        }
                    }else{
                        console.error('roll is Not in valid range');
                    }
                }
            }
        }

        redraw();

    });

    // configuration of the observer:
    let config = {
        childList: true,
        // subtree: true
    };

    // pass in the target node, as well as the observer options
    observer.observe(table_rows, config);

    // later, you can stop observing
    //observer.disconnect();



    function tableRollsRow(){
        let fragment = document.createDocumentFragment();

        let tr = document.createElement('tr');
        let td = document.createElement('td');
        let bold = document.createElement('strong');

        let rollsLabel = document.createTextNode('Rolls');

        bold.appendChild(rollsLabel);

        td.appendChild(bold);

        tr.appendChild(td);
        tr.appendChild(td.cloneNode());
        tr.appendChild(numRollsTd);

        fragment.appendChild(tr);
        return fragment;
    }

    function tableHeaderRow(){
        let fragment = document.createDocumentFragment();

        let tr = document.createElement('tr');

        let label1 = document.createTextNode('Odds');
        let label2 = document.createTextNode('HI');
        let label3 = document.createTextNode('LO');

        let bLabel1 = document.createElement('strong');
        bLabel1.appendChild(label1);

        let bLabel2 = document.createElement('strong');
        bLabel2.appendChild(label2);

        let bLabel3 = document.createElement('strong');
        bLabel3.appendChild(label3);

        let td1 = document.createElement('td');
        td1.appendChild(bLabel1);

        let td2 = document.createElement('td');
        td2.appendChild(bLabel2);

        let td3 = document.createElement('td');
        td3.appendChild(bLabel3);

        tr.appendChild(td1);
        tr.appendChild(td2);
        tr.appendChild(td3);

        fragment.appendChild(tr);
        return fragment;
    }
})();

// ================================================
//
// If you like this script
// please register using link: https://freebitco.in/?r=41688905
//
// Or please donate BTC: bc1qu9nv6m3fhp9c5e7j7cf4hazumfyvupnda2vrwn
//
// ================================================