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Switched Toll computation inner loop using time instead of iteration count before pausing.

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This commit is contained in:
Giulio Cesare Solaroli 2018-11-25 17:32:45 +01:00
parent 0fd0970a42
commit 5d0cb4026c
1 changed files with 17 additions and 13 deletions
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30
frontend/delta/js/Clipperz/PM/Toll.js
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@ -1,6 +1,6 @@
/*
Copyright 2008-2015 Clipperz Srl
Copyright 2008-2018 Clipperz Srl
This file is part of Clipperz, the online password manager.
For further information about its features and functionalities please
@ -104,23 +104,29 @@ Clipperz.PM.Toll.prototype = MochiKit.Base.update(null, {
//-------------------------------------------------------------------------
'innerDeferredPay': function (aTargetValue, aCost, aPayment) {
var deferredResult;
var result;
var payment;
var i;
var deferredResult;
var result;
var payment;
var startTime;
var currentTime;
var elapsedTime;
currentTime = (new Date()).getMilliseconds();
startTime = currentTime;
result = null;
payment = aPayment;
i = 0;
elapsedTime = currentTime - startTime;
while ((result == null) && (i < Clipperz.PM.Toll.numberOfCloseLoopIterations)) {
while ((result == null) && (elapsedTime < Clipperz.PM.Toll.maxTimeForCloseLoopIterations)) {
if (Clipperz.ByteArray.prefixMatchingBits(aTargetValue, Clipperz.Crypto.SHA.sha256(payment)) > aCost) {
result = payment;
} else {
payment.increment();
}
i ++;
currentTime = (new Date()).getMilliseconds();
elapsedTime = currentTime - startTime;
}
if (result == null) {
@ -137,8 +143,7 @@ Clipperz.PM.Toll.prototype = MochiKit.Base.update(null, {
var toll;
toll = this;
deferredResult = new Clipperz.Async.Deferred("Toll.deferredPay");
//deferredResult.addLog("--->>> deferredPay - " + this.cost());
deferredResult = new Clipperz.Async.Deferred("Toll.deferredPay", {trace:false});
deferredResult.addMethod(Clipperz.Crypto.PRNG.defaultRandomGenerator(), 'getRandomBytes', 32);
deferredResult.addMethod(toll, 'innerDeferredPay', new Clipperz.ByteArray("0x" + this.targetValue()), this.cost());
deferredResult.addCallback(MochiKit.Base.bind(function(aPayment) {
@ -151,7 +156,6 @@ Clipperz.PM.Toll.prototype = MochiKit.Base.update(null, {
return result;
}, this));
//deferredResult.addLog("<<<--- deferredPay - " + this.cost());
deferredResult.callback();
return deferredResult;
@ -185,5 +189,5 @@ Clipperz.PM.Toll.validate = function(aTargetValue, aToll, aCost) {
return result;
};
Clipperz.PM.Toll.numberOfCloseLoopIterations = 50;
Clipperz.PM.Toll.pauseBetweenEachCloseLoop = 0.5;
Clipperz.PM.Toll.maxTimeForCloseLoopIterations = 500; // milliseconds
Clipperz.PM.Toll.pauseBetweenEachCloseLoop = 0.1; // seconds