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Author Topic: [LTC] Online Litecoin Miner  (Read 44534 times)
razorfishsl
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April 03, 2013, 09:31:15 AM
 #101

K...
Iv'e just taken a look at both sets of java code.
The reason it is not performing as well as C++ is the creation of objects,  creating objects in java is SLOW.

The trick is to instigate the objects you need at the start then REUSE the objects already created.
Also on the threading use a pool.

Failure to follow these two simple cases is why 90% of all java programs run slowly, because the bytecode is spending its time continually re-creating object it has just disposed of.
Once memory gets squeezed, then the GC continually kicks in.


OK I graphed it, you can clearly see the problem




You can see the 'Heap' thrashing about as objects are created and destroyed

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Michael_S
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April 07, 2013, 05:27:24 PM
 #102

I have finally succeeded in putting together a (hopefully) working online miner for Litecoin.
[...]
http://www.litecoinpool.org/miner

You can use the username and password of one of your pool workers, or you can leave the "Worker" field blank if you just want to test it out (shares found this way are credited to a special pool account, and you will not be able to redeem them).
[...]
username and *password*?

so my password has to be provided in plain text in the sources of my html file to use the online miner?
So anyone reading the source code of my html file of my web server can login to my account at "litecoinpool.org"Huh

acc. to "http://www.litecoinpool.org/embed", I need to include
    <param name="auth" value="user.name:password">
in my web page in plain text.

(sorry if I misunderstand sth - I am new to litecoin - glad if someone clarifies my misunderstanding, if any...)

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April 07, 2013, 05:38:37 PM
 #103

so my password has to be provided in plain text in the sources of my html file to use the online miner?
That's the password of one of your workers, not your account password. All one can do with such a password is mine to your account.

So anyone reading the source code of my html file of my web server can login to my account at "litecoinpool.org"Huh
No.

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April 07, 2013, 06:11:06 PM
 #104

so my password has to be provided in plain text in the sources of my html file to use the online miner?
That's the password of one of your workers, not your account password. All one can do with such a password is mine to your account.

So anyone reading the source code of my html file of my web server can login to my account at "litecoinpool.org"Huh
No.
Ok, thanks for the clarification! I guess it is clear once one starts *doing* all this oneself.

But I for myself am just at the process of reading about all this on a yet theoretical level, so I was surprised reading about being supposed to publish a "password" in open space.

Now I understand that in this case, what is called a "password" is actually just a sort of second "user ID" (in addition to the "user name"), because a "password" is typically something supposed to be kept secret, so the term "password" is misleading here, since this one is nothing that is meant to be kept secret.

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April 08, 2013, 09:51:34 PM
 #105

Any idea when this pool will accept new users again?
rriky92
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April 09, 2013, 03:41:16 PM
 #106

I have finally succeeded in putting together a (hopefully) working online miner for Litecoin.
This is still highly experimental, and of course this kind of miner will always be slower than the classic minerd.

http://www.litecoinpool.org/miner

You can use the username and password of one of your pool workers, or you can leave the "Worker" field blank if you just want to test it out (shares found this way are credited to a special pool account, and you will not be able to redeem them).

Please check it out, and let me know of any unexpected behavior!
It would also be useful to have some feedback on hashrates for different machines. For instance, on the box I'm using for testing (a Core 2 Duo) this first version is about 3 times slower than ArtForz's cpuminer. I think that's quite a good Java-to-C ratio (I haven't finished optimizing the code yet), but of course your mileage may vary.

UPDATE: On 64-bit systems, the current version can get up to 67% the speed of the reference miner by ArtForz (you must be running a 64-bit Java Virtual Machine and a 64-bit browser). 32-bit systems don't perform as well, but still manage to get about 50% of the speed.

The source code is available under the GNU GPL license. https://github.com/pooler/JMiner

How can i use it with another pool website? like pool-x?
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April 22, 2013, 05:16:17 PM
 #107

Bump. Has anyone managed to run it on other pools?

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PPC: P9K354LGkHaZioQfwn6yhg81K5LhBzpPwC FTC: 729uZ2hAY11nZz81eafvnQpvZknxky7Lbt
PWC: pAKN6fJXGErJ7KqWgSfrdpuw6cYpjdM5rk
theblazehen
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May 06, 2013, 08:06:04 AM
 #108

Probably change the url in Miner.java

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May 06, 2013, 09:56:53 AM
 #109

Probably change the url in Miner.java

Yeah... I am not familiar with compiling and dont know how to put it all on the web.

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July 10, 2013, 04:13:53 AM
 #110

[2013-07-10 11:12:51] 4 miner threads started
[2013-07-10 11:12:51] Permission error
[2013-07-10 11:12:51] Miner stopped

I use Sarafi on MacOS 10.8.4 with latest Java installed
Anyone please tell me whats wrong?  Huh
theblazehen
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July 10, 2013, 12:44:56 PM
 #111

[2013-07-10 11:12:51] 4 miner threads started
[2013-07-10 11:12:51] Permission error
[2013-07-10 11:12:51] Miner stopped

I use Sarafi on MacOS 10.8.4 with latest Java installed
Anyone please tell me whats wrong?  Huh
Is your username and password correct?

BURST: BURST-ZRT2-GB5S-A6CS-HBVAE
nyajr
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January 31, 2014, 02:31:05 PM
 #112

Hi
Thank you for nice work.


I made JMiNya it based on JMiner.
http://cdn-ak.f.st-hatena.com/images/fotolife/n/nyatla/20140131/20140131231839.png

It can mining with general mining pool.
JMiNya has simple GUI. I think that it can be try to easy.

Source code and binary is here.
https://github.com/nyatla/JMiNya

MONA:M8thudPD5TqwQrhrfksrNZTCRxwSBS9HGV NYAN:KAqg41G2HnUEH5mEJdfEZmoYWLGqyhLPvh
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tolgahanuzun
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February 16, 2014, 12:09:29 AM
 #113

I have finally succeeded in putting together a (hopefully) working online miner for Litecoin.
This is still highly experimental, and of course this kind of miner will always be slower than the classic minerd.

http://www.litecoinpool.org/miner

You can use the username and password of one of your pool workers, or you can leave the "Worker" field blank if you just want to test it out (shares found this way are credited to a special pool account, and you will not be able to redeem them).

Please check it out, and let me know of any unexpected behavior!
It would also be useful to have some feedback on hashrates for different machines. For instance, on the box I'm using for testing (a Core 2 Duo) this first version is about 3 times slower than ArtForz's cpuminer. I think that's quite a good Java-to-C ratio (I haven't finished optimizing the code yet), but of course your mileage may vary.

UPDATE: On 64-bit systems, the current version can get up to 67% the speed of the reference miner by ArtForz (you must be running a 64-bit Java Virtual Machine and a 64-bit browser). 32-bit systems don't perform as well, but still manage to get about 50% of the speed.

The source code is available under the GNU GPL license. https://github.com/pooler/JMiner

I sent you an email. Would my membership active. (mail@tolgahanuzun.com)
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February 18, 2014, 10:31:30 AM
 #114

It is clearly stated on the website, but let me repeat it for the sake of clarity: this miner is to be considered deprecated, as it only supports the old getwork protocol. It is no longer officially supported at litecoinpool.org since August 27, 2013.

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pazsion
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September 17, 2014, 09:05:49 AM
 #115

deprecated does not mean, not working...

afaict it should be working still. but i just don't see that it is on my site yet.

I've also signed up at the pool again, and have a miner on my pc directed to the pool itself.

You should definately support this, or re-direct to someone who is. for this pool, and this java web miner.

I'm still looking for a java web pool. I can setup the same way.


Thank you for produceing this.

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