├── .gitignore
├── bundle.js
├── worker.js
├── index2.js
├── index3.js
├── index.html
├── index2.html
└── index.js


/.gitignore:
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1 | **/node_modules
2 | 


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/bundle.js:
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1 | (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
2 | var myWorker = new Worker('worker.js');
3 | myWorker.addEventListener('message', function(e) {
4 |     console.log('msg from wrkr: ', e.data);
5 | }, false);
6 | myWorker.postMessage(123);
7 | },{}]},{},[1]);
8 | 


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/worker.js:
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 1 | const BTCMiner = require('bitcoin-miner');
 2 | 
 3 | self.addEventListener('message', function(message) {
 4 |     console.log("started worker",message);
 5 |     block = message.data.block;
 6 |     nonce = message.data.startNonce;
 7 |     const miner = new BTCMiner(block);
 8 |     let hash;
 9 |     let found = false;
10 | 
11 |     while (!found) { 
12 |         hash = miner.getHash(nonce);
13 |         if (nonce%50 == 0 ){
14 |             self.postMessage(hash.toString('hex'));
15 |         }
16 |         found = miner.checkHash(hash);
17 |         if (found) {
18 |             miner.verifyNonce(block, nonce);
19 |             console.log("found!!!!!!!!");
20 |             self.close();
21 | 
22 |         }
23 |         nonce++;
24 |     }
25 |     self.close();
26 | }, false);


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/index2.js:
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 1 | var myWorker = new Worker('worker-bundle.js');
 2 | console.log("starting worker");
 3 | 
 4 | let invocations = 0 ;
 5 | 
 6 | myWorker.addEventListener('message', function(e) {
 7 |     document.getElementById('hash').textContent = e.data;
 8 |     invocations++;
 9 | }, false);
10 | 
11 | var intervalId = window.setInterval(function(){
12 |     document.getElementById('rate').textContent = (invocations * 1 * 10) + " h/s"; //invoc * 1fps * worker evey 100 hash
13 |     invocations = 0;
14 |   }, 1);
15 | 
16 | const block = {
17 |     version: 536870912,
18 |     previousblockhash: '00000000000000000061abcd4f51d81ddba5498cff67fed44b287de0990b7266',
19 |     merkleroot: '871148c57dad60c0cde483233b099daa3e6492a91c13b337a5413a4c4f842978',
20 |     time: 1515252561,
21 |     bits: '180091c1'
22 | };
23 | message = {block : block , startNonce : 44500998}
24 | myWorker.postMessage(message);


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/index3.js:
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 1 | var myWorker = new Worker('worker-bundle.js');
 2 | console.log("starting worker");
 3 | 
 4 | let invocations = 0 ;
 5 | 
 6 | myWorker.addEventListener('message', function(e) {
 7 |     document.getElementById('hash').textContent = e.data;
 8 |     invocations++;
 9 | }, false);
10 | 
11 | var intervalId = window.setInterval(function(){
12 |     document.getElementById('rate').textContent = (invocations * 10 * 1) + " h/s"; //invoc * 10fps * worker evey 100 hash
13 |     invocations = 0;
14 |   }, 100);
15 | 
16 | const block = {
17 |     version: 536870912,
18 |     previousblockhash: '00000000000000000061abcd4f51d81ddba5498cff67fed44b287de0990b7266',
19 |     merkleroot: '871148c57dad60c0cde483233b099daa3e6492a91c13b337a5413a4c4f842978',
20 |     time: 1515252561,
21 |     bits: '180091c1'
22 | };
23 | message = {block : block , startNonce : 44500998}
24 | myWorker.postMessage(message);
25 | 


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/index.html:
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 1 | <!DOCTYPE html>
 2 | <html>
 3 |     <head>
 4 |         <style>
 5 |             body {background-color: black;}
 6 |             a   {color: green;}
 7 |             h1   {color: green;}
 8 |             span    {color: green;}
 9 |             </style>
10 |     </head>
11 |     <body>
12 |         <h1>Block</h1>
13 |         <a>
14 |             version: 536870912</br>
15 |             previousblockhash: '00000000000000000061abcd4f51d81ddba5498cff67fed44b287de0990b7266'</br>
16 |             merkleroot: '871148c57dad60c0cde483233b099daa3e6492a91c13b337a5413a4c4f842978'</br>
17 |             time: 1515252561</br>
18 |             bits: '180091c1'</br>
19 |         </a>
20 |         </br>   
21 |         <div id="hash" style="color:greenyellow;">000000000</div>
22 |         <div id="rate" style="color:greenyellow;">0h/s</div>
23 |     </body>
24 |     <script src="index2.js"></script>
25 |     <script src="worker-bundle.js"></script>
26 | 
27 |     </html>


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/index2.html:
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 1 | <!DOCTYPE html>
 2 | <html>
 3 |     <head>
 4 |         <style>
 5 |             body {background-color: black;}
 6 |             a   {color: green;}
 7 |             h1   {color: green;}
 8 |             span    {color: green;}
 9 |             </style>
10 |     </head>
11 |     <body>
12 |         <h1>Block</h1>
13 |         <a>
14 |             version: 536870912</br>
15 |             previousblockhash: '00000000000000000061abcd4f51d81ddba5498cff67fed44b287de0990b7266'</br>
16 |             merkleroot: '871148c57dad60c0cde483233b099daa3e6492a91c13b337a5413a4c4f842978'</br>
17 |             time: 1515252561</br>
18 |             bits: '180091c1'</br>
19 |         </a>
20 |         </br>   
21 |         <div id="hash" style="color:greenyellow;">000000000</div>
22 |         <div id="rate" style="color:greenyellow;">0h/s</div>
23 |     </body>
24 |     <script src="index3.js"></script>
25 |     <script src="worker-bundle2.js"></script>
26 | 
27 |     </html>


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/index.js:
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 1 | const BTCMiner = require('bitcoin-miner');
 2 | // View this block in Block Explorer:  https://insight.bitpay.com/block/00000000000000000020cf2bdc6563fb25c424af588d5fb7223461e72715e4a9
 3 | // Get it in JSON format: https://insight.bitpay.com/api/block/00000000000000000020cf2bdc6563fb25c424af588d5fb7223461e72715e4a9
 4 | const block = {
 5 |     version: 536870912,
 6 |     previousblockhash: '00000000000000000061abcd4f51d81ddba5498cff67fed44b287de0990b7266',
 7 |     merkleroot: '871148c57dad60c0cde483233b099daa3e6492a91c13b337a5413a4c4f842978',
 8 |     time: 1515252561,
 9 |     bits: '180091c1'
10 | };
11 | 
12 | const miner = new BTCMiner(block);
13 | let hash;
14 | let found = false;
15 | 
16 | 
17 | let nonce = 45281998 // initial nonce
18 | while (!found) { 
19 |     hash = miner.getHash(nonce);
20 |     console.log(hash.toString('hex'));
21 |     document.getElementById('hash').textContent = hash.toString('hex');
22 |     found = miner.checkHash(hash);
23 |     if (found) {
24 | 		miner.verifyNonce(block, nonce);
25 | 	}
26 |     nonce++;
27 | }
28 | 


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