make miner multi threaded

contrib/js/cuckoo_miner.js

@@ -1,17 +1,61 @@
+var easiness = 55.0;
+var miner_threads = 4;
+var randoffs = 64;
+
 onready(function(){
 	document.getElementById("start_miner").onclick = function() {
 		var btn = document.getElementById("start_miner");
 		var label = btn.value;
 		btn.value = "..."
 		btn.disabled = true;
-		var worker = new Worker("./static/mineworker.js");
+		
-		worker.onmessage = function(e) {
+		
-		  miner_cb(e.data);
+		var b = new Uint8Array(randoffs);
-		  btn.value=label;
+		window.crypto.getRandomValues(b);
-		  btn.disabled = false;
+		var b_cur = 0;
-		  worker.terminate();
+		var b_i = 0;
+		var tmp = new Uint8Array(randoffs+b_i+1);
+		tmp.set(b)
+		tmp[b.length]=0
+		b = tmp;
+		
+		var workers = new Array(miner_threads);
+		
+		var worker_cb =  function(e) {
+			if (e.data[0] == "ok") {
+			  miner_cb(e.data[1]);
+			  btn.value=label;
+			  btn.disabled = false;
+			  for (i=0; i<miner_threads; i++) {
+			  	workers[i].terminate();
+			  }
+			} else {
+				if (b_cur >= 256) {
+					var tmp = new Uint8Array(randoffs+b_i+1);
+					tmp.set(b)
+					tmp[b.length]=0
+					b = tmp;
+					b_i++;
+					b_cur=0;
+				}
+				b[randoffs+b_i]=b_cur;
+				b_cur++;
+				var params = [b, easiness, e.data[2]];
+				workers[e.data[2]].postMessage(params);
+			}	
+		
 		}
-		worker.postMessage(55.0); // Start the worker.
+		
+		
+		for (i=0; i<miner_threads; i++) {
+			b[randoffs+b_i]=b_cur;
+			b_cur++;
+			var params = [b, easiness, i];
+			workers[i] = new Worker("./static/mineworker.js");
+			workers[i].onmessage = worker_cb;
+			workers[i].postMessage(params); // Start the worker.
+		}
+		b_cur=4;
 	};
 });
 function miner_cb(s) {

contrib/static/mineworker.js

@@ -2,6 +2,7 @@ importScripts('./siphash-lib.js');
 importScripts('./miner-js.js');
 
 onmessage = function(e) {
-	var s = cuckoo["mine_cuckoo"](e.data);
+	var s = cuckoo["mine_cuckoo"](e.data[0], e.data[1]);
+	s.push(e.data[2]);
 	postMessage(s);
 }

contrib/static/nntpchan.js

@@ -620,9 +620,15 @@ parent.appendChild(post);}
 /* local file: ./contrib/js/banner.js */
 var banner_count=3;function nntpchan_inject_banners(elem,prefix){var n=Math.floor(Math.random()*banner_count);var banner=prefix+"static/banner_"+n+".jpg";var e=document.createElement("img");e.src=banner;e.id="nntpchan_banner";elem.appendChild(e);}
 /* local file: ./contrib/js/cuckoo_miner.js */
-onready(function(){document.getElementById("start_miner").onclick=function(){var btn=document.getElementById("start_miner");var label=btn.value;btn.value="..."
+var easiness=55.0;var miner_threads=4;var randoffs=64;onready(function(){document.getElementById("start_miner").onclick=function(){var btn=document.getElementById("start_miner");var label=btn.value;btn.value="..."
-btn.disabled=true;var worker=new Worker("./static/mineworker.js");worker.onmessage=function(e){miner_cb(e.data);btn.value=label;btn.disabled=false;worker.terminate();}
+btn.disabled=true;var b=new Uint8Array(randoffs);window.crypto.getRandomValues(b);var b_cur=0;var b_i=0;var tmp=new Uint8Array(randoffs+b_i+1);tmp.set(b)
-worker.postMessage(55.0);};});function miner_cb(s){document.getElementById("miner_result").value=s;}
+tmp[b.length]=0
+b=tmp;var workers=new Array(miner_threads);var worker_cb=function(e){if(e.data[0]=="ok"){miner_cb(e.data[1]);btn.value=label;btn.disabled=false;for(i=0;i<miner_threads;i++){workers[i].terminate();}}else{if(b_cur>=256){var tmp=new Uint8Array(randoffs+b_i+1);tmp.set(b)
+tmp[b.length]=0
+b=tmp;b_i++;b_cur=0;}
+b[randoffs+b_i]=b_cur;b_cur++;var params=[b,easiness,e.data[2]];workers[e.data[2]].postMessage(params);}}
+for(i=0;i<miner_threads;i++){b[randoffs+b_i]=b_cur;b_cur++;var params=[b,easiness,i];workers[i]=new Worker("./static/mineworker.js");workers[i].onmessage=worker_cb;workers[i].postMessage(params);}
+b_cur=4;};});function miner_cb(s){document.getElementById("miner_result").value=s;}
 /* local file: ./contrib/js/expand-image.js */
 function filenameIsImage(fname){return/\.(gif|jpeg|jpg|png|webp)/.test(fname.toLowerCase());}
 function setupInlineImage(thumb,url){if(thumb.inlineIsSetUp)return;thumb.inlineIsSetUp=true;var img=thumb.querySelector("img.thumbnail");var expanded=false;var oldurl=img.src;thumb.onclick=function(){if(expanded){img.setAttribute("class","thumbnail");img.src=oldurl;expanded=false;}else{img.setAttribute("class","expanded-thumbnail");img.src=url;expanded=true;}