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2901  Bitcoin / Pools / Re: Cooperative mining (>70Ghash/s) on: February 28, 2011, 09:26:07 AM
According to the Slush's statistics, I found for the pool 8 blocks. And received 194 btc.

If you got ~expected daily reward, which I hope, then it is normal. This is how pool works; your personal luck is minimized, so if you are lucky, you got less bitcoins :-).
2902  Other / CPU/GPU Bitcoin mining hardware / Re: GUI frontend for poclbm released - looking for testers on: February 28, 2011, 02:42:09 AM
Just tested newest version and I really like it. Few extra feature requests:

a) Remember the last mining state. If I shutdown the application while mining is ON, it should start mining immediately after next start.
b) Add possibility to start application on Windows startup.

Then, with single exe installer, it will be absolutely perfect :-).
2903  Economy / Speculation / Re: Bitcoin Technical Analysis on: February 27, 2011, 11:17:54 PM
1. A new downtrend is established (lower highs) from the 1.1$ high (see upper green line)

I don't see any down trend, the market is just undecided after huge jump to parity, moving in 0.9-1.0 range, without significant overlap of any trendline which you (correctly) identified.

Quote
2. Volume trend is down: rises are accompanied with lower volume than declines

Better explanation - such big volume almost does not move the market. There was big support on 0.9 which absorbed whole sell entry. You can compare today's situation with the large sells few days ago. +50% volume moved market in many times bigger fashion.

Quote
3. MACD indicator is in bearish territory: blue line below pink line. As long as blue line does not cross pink line, we are in a downtrend.

MACD is just a dumb technical indicator based on moving averages and it is just saying again "we are in the correction" by another words. I don't have enough courage to say "market is bearish" based on crossing MACD lines Smiley.

Quote
4. RSI is pointing downwards and has more room to sink before it gets oversold. When it hits 30, we may see a trend change.

RSI is fine indicator, but mainly works on markets moving in the range. In trending market, which Bitcoin surely is (except long sideway move in December), RSI will show only irrelevant mess. You can see that RSI is on the same level as for whole November and December...

Finally, I think that we cannot predict anything in current situation for now, because the technical analysis says that both sides are possible. Saying "It will go down and if not, it will go up" is useless. The better way is to say "I don't have an idea, because market looks undecided right now".
2904  Other / CPU/GPU Bitcoin mining hardware / Re: GUI frontend for poclbm released - looking for testers on: February 27, 2011, 06:05:45 PM
Maybe a simple installer would be better than either 7zip or single file. Non-technical users are used to clicking through an installer and creating a shortcut on their Start Menu/Desktop, so doing the familiar thing might be best. With single file executables I've seen people delete the executable and think they are just deleting a shortcut Smiley

And maybe the installer will use 7zip internally, for the best of both worlds.

NSIS works with py2exe pretty nicely. And - oh well - it uses 7zip internally! Wink
2905  Other / CPU/GPU Bitcoin mining hardware / Re: GUI frontend for poclbm released - looking for testers on: February 27, 2011, 04:58:58 PM
Installing an application requires at least 3-5 clicks as ok's & Next's...& extract is just one click & one step.

The point is that those steps are unnecessary. You also assume that user knows what to do with .7z extension. I believe the most of users (users, not geeks like us) don't know that.

My Firefox says "You choose to open file .... which us '7z file'". OK, I have to go to google what 7z file is, open site, download, install, then go back to firefox and try it again. ZIP is widely used from times of WinXP, all browsers (even IE!) will offer to open zip files directly.

That's all, I don't plan to troll here more than this Smiley.
2906  Bitcoin / Mining software (miners) / Re: RPC Miners (CPU/4way/CUDA/OpenCL) on: February 27, 2011, 04:05:09 PM
Update first post with latest release.  The connection to the RPC server will now be kept open if the server supports it instead of opening a new connection for each request.

Thanks a lot! All users of this miner & my pool, please update!
2907  Other / CPU/GPU Bitcoin mining hardware / Re: GUI frontend for poclbm released - looking for testers on: February 27, 2011, 03:40:02 PM
I can't accept this. as already kiv said , he has problem with single installation file.
Why many people don't have 7z support ?
Its an open source compression program which is free. people wont download a 2MB application to extract, & mine in GUI than stressing with cmd prompt?

Why I have to install other non relevant stuff on my computer for retrieving some application? Who cares about compression ratio in times of cable (or faster) internet connection? Downloading the file in EXE is much better and easier, if your concern is to give best user experience. And if somebody don't want to provide EXE, ZIP is much better choice.

The most of users don't care if the compression tool is or isn't opensource. But they have to install it to get poclbm GUI, it's one step more for no reason.
2908  Bitcoin / Pools / Re: Cooperative mining (>70Ghash/s) on: February 27, 2011, 12:06:08 AM

Unless I'm mistaken, every work request to the server
returns a different piece of work (i.e. the base nonce is
different everytime). If that wasn't the case, this would
represent a huge waste of computing resources.

That being said, if you don't trust that it is the case,
nothing prevents you from changing the cpu-miner
code to try random 32bit integers instead of trying
them in a sequence. All you need is a fast, lo-quality
RNG, seeded from /dev/urandom.

This is absolutely unnecessary. Getworks are really unique, no need to generating random nonces at all...
2909  Bitcoin / Development & Technical Discussion / Re: Idea for encrypted wallet implementation on: February 26, 2011, 10:39:02 AM
my trojan can simply sit there, wait until your copy of BitCoin is started up and you use the "send coins" UI then rewrite the address and amount you want to send to after you hit the OK button but before the transaction is created.

Of course that stealing is still possible, but I'm sure that wallet encryption can discourage script kiddies attack like "Wallet backup tool" few days ago. I believe that _you_ are able to write trojan changing GUI, but why are we leaving door open for every thieves going around?

Quote
Such trojans are not difficult.

Open door lock or break window is very easy to do. Stilll, this discourage most of people to walk into your house. It's not as perfect as living in vault, but windows & door fits needs of 99% people.

2910  Bitcoin / Pools / Re: Cooperative mining (>70Ghash/s) on: February 26, 2011, 10:06:36 AM
@slush: By updated, you mean some specific version? I've downloaded poclbm from Github on yesterday morning, does it count as updated? Grin

First version of poclbm with long living connection is from 15. Feb. So yes, version from yesterday is OK Smiley
2911  Other / CPU/GPU Bitcoin mining hardware / Re: GUI frontend for poclbm released - looking for testers on: February 26, 2011, 04:09:00 AM
This was done since I hope to also support puddinpop or other miners in the future in the same way (run their exe as a subprocess and interpret their output).


I think you're complicating your job for no (or very little) gain. Miners basically use the same core; when one of the guy do some improvement, others implement it sooner or later, too Wink. If I will be in your position, I just pick up miner which I prefer and integrate it to GUI as much as possible. Calling binary and parsing output is not so as flexible as it can be.

poclbm core has pretty clean code, I think it is very hackable. You can do, for example, multigpu support by using threading/multiprocessing module and create more instances directly into application. You probably never do ultimate exception handling through calling miner as external process, but catching exceptions directly in code is very easy to do. And again, you can compile whole thing into single executable and make it even more user friendly Smiley.
2912  Other / CPU/GPU Bitcoin mining hardware / Re: GUI frontend for poclbm released - looking for testers on: February 26, 2011, 02:55:39 AM
Kiv, good work! I have two feature requests:

1) Don't close the app after closing the window, just minimize it. I shut down mining few times by mistake Smiley.

1) Remove terminal window, it looks ugly. Tab with activity log should be better. The best way is to use "windows=['guiminer.py']" in setup script and in guiminer.py redirect stdout to any file like object. For example:

Code:
import sys, StringIO
my_stdout = StringIO.StringIO()
_stdout = sys.stdout # Backup of original stdout
sys.stdout = my_stdout

Then you can use my_stdout as source for textarea in your GUI. Maybe the WX has some feature to connect textarea directly to file object to avoid manual polling...

2) Make it as single executable file. Extracting zip is annoying and also many people don't have support for 7z.

For the beginning, you may use this setup.py to generate single executable. (This skip generating poclbm, as it is unnecessary; m0mchil already offer executable for command line).

Code:
from distutils.core import setup
setup(windows=['guiminer.py'],
      # OpenCL.dll is vendor specific
      options = {'py2exe':
          {'dll_excludes': ['OpenCL.dll'],
           'optimize': 2,
           'bundle_files': 1,
           'compressed': True,
           },
      },
      data_files = ['BitcoinMiner.cl', 'logo.png'],
      zipfile = None,
      )

You have still two extra files here - CL file and logo. The best way to pack logo into binary is described here. I'm not sure what with CL file, but poclbm it load into string and then compile. So I think the easiest way is to create "BitcoinMiner.py" which contains just one string variable "source" with whole CL code. Then you can import BitcoinMiner in poclbm and instead of loading source from external file, point it to BitcoinMiner.source. By this way, py2exe will compile BitcoinMiner module directly into exe...

Hope this helps a little. I missed GUI support for miners for a long time!
2913  Bitcoin / Pools / Re: Cooperative mining (>70Ghash/s) on: February 25, 2011, 11:01:14 PM
2914  Bitcoin / Pools / Re: Cooperative mining (>70Ghash/s) on: February 25, 2011, 08:12:22 PM
To all users: Please update to latest version of miners (jgarzik's, m0mchil's, Diablo's) and if you use other miner, be sure that it supports "keep alive" connections to the pool. Otherwise you will see "connection timeout" often...

In last two days, I tweaked the pool server configuration and solve some overload issues by this. There are now hard limits to "new connections per second" (currently 500/s); when there are more connection attemps than allowed, you will see "connection timeout" on the miner side. But this is not an issue for new miner versions, because they are able to reuse existing connection for the long time.

There are lot of old miners which flood the server with connection attempts and when they fail, they try to connect immediately, which make the situation even worse. With this behavior, any tiny lockup of pool started packet storm of thousands retransmissions per second and pool often needed some time to stabilize. So I decided to set hard limits to force users to update.

In the meantime, before the old miners get an update, this may affect also startup of updated miners. This is just because old miners fill all available slots for new connections per second. Just give it a time, after few seconds the miner will succeed and once the connection will be estabilished, everything will be fine.
2915  Economy / Marketplace / Re: CoinCard - Buying PayPal $ and gift cards with Bitcoin on: February 25, 2011, 06:45:07 PM
Waiting to the block 110424. In the meantime - is there any API to this service? Something like JSON-RPC, I'll send amount (in BTC) and paypal email, you sent me back final amount (in USD) and BTC address for the payment.

Edit: Paypal sent me notification about incoming TX almost immediately when the block 110424 was found. Good job!
2916  Bitcoin / Pools / Re: Cooperative mining (>70Ghash/s) on: February 25, 2011, 06:06:30 PM
Is it possible to change your account's password? I'm not seeing that ability on the webpage.

Yes, on login page, use "Forgot password?" link (you have to logout before Wink ). Little tricky, but works.
2917  Bitcoin / Mining software (miners) / Re: RPC Miners (CPU/4way/CUDA/OpenCL) on: February 25, 2011, 06:05:48 PM
I'm not familiar with miner source, but does it support long live http connections, "keep-alive"?
2918  Bitcoin / Pools / Re: Cooperative mining (>20Ghash/s, join us!) on: February 25, 2011, 02:24:39 AM
Being a greedy b*st*rd, I don't want them to discover bitcoins and start mining for themselves.

Well, I see no reason why I should provide "obfuscated pool" for users. This is Bitcoin service, I did it to help Bitcoin users and I'm interested in spreading Bitcoin between people. So I want to say that I disagree with stuff you're doing. Please, at least discuss those obfuscating techniques outside this thread Smiley.
2919  Bitcoin / Pools / Re: Cooperative mining (>20Ghash/s, join us!) on: February 24, 2011, 10:25:14 AM
The clock on one of my machines somehow got screwed up and it considered today the 21st. 

Miner does not use computer time, so no problem here.
2920  Bitcoin / Pools / Re: Cooperative mining (>20Ghash/s, join us!) on: February 23, 2011, 10:08:19 PM
are you working on it, slush?

Yes, I'm working on it right now. Pretty complex task, trust me.

And please, don't feed trolls.
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