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481  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [GRS] GroestlCoin, (PoW), new hash aglo, CPU/GPU mining on: April 09, 2014, 10:31:52 AM
any idea add hard fork for grs ?  Smiley

What do you mean? Why?
482  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [GRS] GroestlCoin, (PoW), new hash aglo, CPU/GPU mining on: April 09, 2014, 08:06:08 AM
what's the best miner settings for 2 R9 290s ? I'm only at 8 Mh/s...

See my previous post for 9800 on Sapphire R9 290 TriX: https://bitcointalk.org/index.php?topic=525926.msg6030892#msg6030892
483  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [GRS] GroestlCoin, (PoW), new hash aglo, CPU/GPU mining on: April 09, 2014, 07:50:45 AM
Hey src !

Oh sorry I currently have 28 messages in my inbox and no time to read :-)

If you urgently need me, always drop me a mail @ admin at suprnova.cc and I'll respond quick.

I'll write you a PM later, GRS is different in many things, there will be some tweaking neccessary, not only in stratum
code, also in mpos (the average stats are a good example for that...).

However, i'm using/testing the code with node.js instead of the old, buggy stratum python code since its much easier
to debug (and fix Smiley). have a look at https://github.com/zone117x/node-stratum-pool - i use this but my codebase is really
not ready for the public atm - it's a ugly debug build - it is running fine and without problems but its in no way cleaned up Smiley

Ok, thank you for this. Please send your value for diff1, if you can. It is from stratum-mining\lib\template_registry.py.

I'll provide you the NXT-E GRS/BTC ticket price in MPOS in return:


Code:
$config['price']['enabled'] = true;
$config['price']['url'] = 'https://nxt-e.com';
$config['price']['target'] = '/api/stats/?coin=GRS&exchange=BTC';
$config['price']['currency'] = 'BTC';

  private function getApiType($url) {
    if (preg_match('/coinchoose.com/', $url)) {
      return 'coinchose';
    } else if (preg_match('/btc-e.com/', $url)) {
      return 'btce';
    } else if (preg_match('/cryptsy.com/', $url)) {
      return 'cryptsy';
    } else if (preg_match('/cryptorush.in/', $url)) {
      return 'cryptorush';
[b]    } else if (preg_match('/nxt-e.com/', $url)) {
      return 'nxte';
[/b]    }
    $this->setErrorMessage("API URL unknown");
    return false;
  }

getPrice() function
...
      case 'nxte':
        return @$aData['CurrentPrice'];
        break;


Yes, I saw the NPM here: https://www.npmjs.org/package/stratum-pool. However I wanted to set up MPOS, I kind of like it.

PS: I also sent you an email.

Thanks
484  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [GRS] GroestlCoin, (PoW), new hash aglo, CPU/GPU mining on: April 09, 2014, 06:56:32 AM
Hi ocminer!

I sent you a few personal messages asking to share your code for Stratum, but never got a reply. I even proposed a 0.1 BTC bounty. Did you not notice the messages or just don't want to share?
I understand Atrides@DwarfPool (I wrote to him twice also), he is getting 2%. But your pool is 0% and you also have lots of other pools (Max, Hiro, etc: https://max.suprnova.cc/)...

Anyways, I saw your earlier message in this thread regarding address_to_pubkeyhash() not working in hash python.
I've found the proper solution (i.e. I didn't just turn off the check). The problem was that hash python works on 80 byte input, but input length is just 21 for base58 decoded address (1 byte version + 20 byte public key) and so Groestl hash calculation was running out of bounds. That's in the spirit of sharing :-)

I'm going to figure this out eventually, I'm pretty sure in this [especially once I have the upcoming Saturday/Sunday free from work]. I even learned a bit of Python along the way (at least enough to insert Debug-prints into stratum-mining). Next thing is figuring out the Diff1, which is probably around 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff00000000 (plus-minus 'f'). And after it, checking if shares are accepted and finally - tweaking MHS calculation for MPOS (currently it's showing like 0.05MH/s for my R9 290). Then I'll launch it.

My pool is going to be 0.8% proportional, everything is setup, I just need to figure the stuff above.
I'm going to be blunt about it, I'll use this 0.8% for promoting GroestlCoin, paying for hosting and I hope there will be some remaining for myself (to pay for time that I'm spending here).
And obviously, I'd prefer to work on GroestlCoin press article, website, or just pure promotion (like various emails and tickets to cryptsy, poloniex, altoutlet.com, etc) than browsing through google, bitcointalk and "vi" editor in Unix to figure out what's wrong.

PS: I wrote do you directly because you are pretty active in this thread (mostly promoting your pool :-) ), while I haven't see other pool operator posts here.

Thanks
srcxxx



If you're looking for a reliable, fair Pool:

https://grs.suprnova.cc

Still lots of free slots for miners, hop in, we're finding blocks on a regular basis and got all the Googles.

Our Daemon is patched against the various fake share attacks, You really get What You mine.


Still 0 % Fee !


This pool paid earned coin less than cpu-pool.net.That's true

Yes it has wayyyy less hashpower than cpu-pool.net, it cannot pay more than Smiley Just compare the overall statistics and you'll see there mostly the same, just one has high hashpower, the other one low.


I agree with kingimg. I had some worker there. But historical, 4 week,average percentage from suprnova = 154.78% Historical average cpu-pool.net = 104.69%

If you looked at last week is little bit good, but i mean something is wrong. This pool so long dont have luck  or what?

Pls update first link for this pool cpu-pool.net , till today I do not hear about it.

Those overall stats are probably wrong since the code (mpos) is not well implemented for Groestl's Target_Bits, best is always to mine 24h on this pool and 24h on the other pool, than you see differences. If I change the target-bits to for example "20", I get overall percentage of 75% Smiley


485  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [GRS] GroestlCoin, (PoW), new hash aglo, CPU/GPU mining on: April 09, 2014, 01:54:41 AM
I congratulate you fellow Groestlers with addition of GroestlCoin on Poloniex!

I hope you will not be dumping the price like you did on NXT-E a few days ago :-)
Let's aim for at least 0.00000700 range for now.

srcxxx
486  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [GRS] GroestlCoin, (PoW), new hash aglo, CPU/GPU mining on: April 08, 2014, 11:22:29 AM
Please vote for GRS on Mintpal: https://www.mintpal.com/voting#
487  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [GRS] GroestlCoin, (PoW), new hash aglo, CPU/GPU mining on: April 08, 2014, 10:10:08 AM
Someone have asked how GroestlCoin is related to Groestl developers. Well, here's how:

---
Christian Rechberger ****
9:35 PM (33 minutes ago)

to me, contact
Hi src, thanks for your email.
It is interesting for us to learn about this development, thanks for letting us know.

All the best with this project!
-The Grøstl team
 

On 04/08/2014 11:23 AM, src xxx wrote:> Hello!
>
> I apologize in advance for my email. I know that you are serious people
> and probably are not interested in Bitcoin and altcoin.
>
> But I wanted to let you know, that a new crypto coin "GroestlCoin" has
> been born 2 weeks ago and it is using your hashing function. I've been
> appointed the developer of this coin today and I wanted to show my respects.
>
> I haven't written the GroestlCoin code myself, but am planning to
> promote this coin from now on.
>
> If you have any comments (especially good ones), that would be great.
>
> Here's a link if you are
> interested: https://bitcointalk.org/index.php?topic=525926.0
> Website: groestlcoin.com <http://groestlcoin.com>
>
> PS: Theoretically, this is the 2nd coin that's using your hashing
> function. First is myriadcoin, but it is using sha256+Groestl. While
> GroestlCoin is two rounds of Groestl hashing.
>
> Thank you
---
488  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [GRS] GroestlCoin, (PoW), new hash aglo, CPU/GPU mining on: April 08, 2014, 08:52:22 AM
PR IDEA

Anybody here who knows a good-looking Danish or Austrian (or German) girl willing to upload a cute, breezy vid clip to help us pronounce the word Groestl would be helping out immensely!

I may go to Austria myself in a couple weeks to try and get some footage of people pronouncing Groestl from the streets of Vienna. I am hoping it will be a playful introduction to this green algo. I will also source the finest Groestl in Vienna for eats Cheesy

Anybody based in Austria or Germany can start doing this NOW

Anybody in Denmark / with Danish connections can do the same

Between the Russian forum, the French miner who posted test results, the Danish core dev and Austrian flavour we have an interesting european crypto twist. Possibly the Austrians will warm to Groestlcoin Smiley



Hi child_harold!

I like your idea. We need more PR material to explain people what GroestCoin is and why it is called this way.
Guys, any other ideas on this matter?

PS: I don't think it's a good idea to change the name of the coin. I think we just need to find a proper way of promoting the existing name.

Thanks
srcxxx
Gotta agree with srcxxx...it's atleast a bit known under this name and developer (well maybe ex) deserves this name be kept i think.

How about a few minutes video of a cute, sexy (but still appropriate), non-nerdy looking young Danish/Austrian lady talking about GroestlCoin, saying how to pronounce it properly, and this is the most important part... talking some real hi-tech stuff like the hash function, permutation, security, SHA-3 candidate, block reward, etc [just see http://www.groestl.info/ for ideas of the nerdy words]. Explaining the benefits of our coin for miners and investors: asic resistant, non-multipool, 6% reward decrease.
And explaining why the coin has this name.

If this lady is young and sexy, I think this video may go viral and GRS will grow faster than DOGE.
We will tweet it everywhere.

I.e. I want a beautiful young non-nerdy lady to say completely nerdy things and advertise our coin. [She would have to learn the words by heart, unfortunately]
Perhaps with appearance like this, only younger (she is the Denmark Eurovision song contest winner, if you are interested).


Something similar to the "10,000 BTC" song on youtube: https://www.youtube.com/watch?v=RIsZyg8OXlI

Let me know what you think and share your other ideas!
489  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [GRS] GroestlCoin, (PoW), new hash aglo, CPU/GPU mining on: April 08, 2014, 07:50:41 AM
PR IDEA

Anybody here who knows a good-looking Danish or Austrian (or German) girl willing to upload a cute, breezy vid clip to help us pronounce the word Groestl would be helping out immensely!

I may go to Austria myself in a couple weeks to try and get some footage of people pronouncing Groestl from the streets of Vienna. I am hoping it will be a playful introduction to this green algo. I will also source the finest Groestl in Vienna for eats Cheesy

Anybody based in Austria or Germany can start doing this NOW

Anybody in Denmark / with Danish connections can do the same

Between the Russian forum, the French miner who posted test results, the Danish core dev and Austrian flavour we have an interesting european crypto twist. Possibly the Austrians will warm to Groestlcoin Smiley



Hi child_harold!

I like your idea. We need more PR material to explain people what GroestCoin is and why it is called this way.
Guys, any other ideas on this matter?

PS: I don't think it's a good idea to change the name of the coin. I think we just need to find a proper way of promoting the existing name.

Thanks
srcxxx
490  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [GRS] GroestlCoin, (PoW), new hash aglo, CPU/GPU mining on: April 08, 2014, 05:08:54 AM
Does http://agran.net/grs_getbalance.php works correctly? I've mined 1024GRS, I see them confirmed and matured in qt, but on that page looking at my address I see 0.00GRS balance :|
My address is FVnwbudoZRfGve6g5zw2C1E9u98yaZqyEc

Hi!

Yes, it does work correctly. I had the same question awhile ago.
The reason is that each mined block actually creates another address.
So you actually have at least 3 addressed now: your "normal" address and two "mined" addressed. Wallet shows you the combined amount of all these 3 addressed.
So when you check your balance online, it only shows balance of your "normal" address and doesn't account for mined addresses.

Thanks
srcxxx
491  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [GRS] GroestlCoin, (PoW), new hash aglo, CPU/GPU mining on: April 08, 2014, 03:32:34 AM
Hey folks,

I'm currently writing or rather "building together" a python-hash module for this coin.

Everything is looking good, but whats the diff1 for this coin ?


On a "normal" coin like DarkCoin or a X11 clone you can look in the source here:

https://github.com/HiroSatou/Hirocoin/blob/ac68e1a4b5770f33121443344e4530fb152ff486/src/main.cpp#L2873

With Groestl (and Fugue) it looks like this:

https://github.com/GroestlCoin/GroestlCoin/blob/master/src/main.cpp#L2839


This way I cannot determine the correct diff1 setting for this coin.

A Python-Guru here with an idea ? Smiley



Hi ocminer!

I guess you have figured it out (since your http://grs.suprnova.cc/ is working). Could you help me setting up GRS pool?

Thanks
srcxxx
492  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [GRS] GroestlCoin, (PoW), new hash aglo, CPU/GPU mining on: April 08, 2014, 03:02:15 AM
Hello fellow Groestlers!

I hope you like how I modified the forum header page (https://bitcointalk.org/index.php?topic=525926.msg5836234#msg5836234).
If you feel that something link/info is missing - please PM me.

Thanks
srcxxx (aka 'the new dev')
493  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [GRS] GroestlCoin, (PoW), new hash aglo, CPU/GPU mining on: April 08, 2014, 01:55:47 AM
due to the inactive of the developer,the price is down and down,this coin is dying.
I will dump my 200K GRS soon,to send a fatal blow to the market.

Hi kingimg!

Wow, 200K. Cool.

I'm the new dev and I'm planning to be active. So I recommend that you hold on to your GRS.
Also, if you could join the community and promote the coin, it would be really great.

For example, you could donate some GRS to the faucet and use some as bounty.
I think you'll get more in the end than if you just sell them right now.

But if you are planning to sell them cheap - of course it is your choice. PM me, as I'm definitely going to be buying them now...

Thank you
srcxxx
494  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [GRS] GroestlCoin, (PoW), new hash aglo, CPU/GPU mining on: April 07, 2014, 11:48:44 PM
Since I have a feeling you know the Grøstl algo intimately could you speak to its qualities and how it compares to other algos, esp Keecak? I need more basic info on what makes Grøstl great.


Grøstl was one of the 5 SHA3 finalists (Keccak was named the winner and called SHA3). See more details here: http://csrc.nist.gov/groups/ST/hash/sha-3/Round3/index.html
Grøstl was the slowest of the 5 to implement in software. I would recommend that you quote page 13 of http://nvlpubs.nist.gov/nistpubs/ir/2012/NIST.IR.7896.pdf: For example, the best attacks on BLAKE, Keccak, and SHA-2 can be implemented in practice, whereas the best attacks on Grøstl, JH, and Skein would require huge computational resources to implement, and cannot be fully verified.

The most important quality that I would like you to stress in your blog is the speed difference between CPU and GPU implementations. It is minimal across these cryptographic algorithms.

And of course, the energy consumption... There was a post comparing Watts per algorithm a few pages back. Our GRS is a clear winner!

Also, please stress the 6% block bonus reduction.
495  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [GRS] GroestlCoin, (PoW), new hash aglo, CPU/GPU mining on: April 07, 2014, 11:36:18 PM
Hi Everyone!

My near term plans are:
* set up a group of people who are interested in promoting the coin. Developers, web designers, bloggers, etc - please PM me with your proposals
* get the design in order: web site, faucet, etc. I'd like them to look a lot more mature. Planning to set up bounties for this.
* spread the word about GRS

There are no plans to make changes to the wallet at this stage, I think the above steps are the most important for this coin. Once we have that, we can perhaps set up a poll and decide how we want to change (if at all). DGW, maybe change the 6% bonus decrease, etc.

Thank you
srcxxx
496  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [GRS] GroestlCoin, (PoW), new hash aglo, CPU/GPU mining on: April 07, 2014, 05:16:41 AM
Does anybody start compilate GRS-BAMT?

See my previous post on this
https://bitcointalk.org/index.php?topic=525926.msg6030892#msg6030892
497  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [GRS] GroestlCoin, (PoW), new hash aglo, CPU/GPU mining on: April 05, 2014, 05:35:38 AM
Hi!

I'm in the final stages of setting up another GRS pool, but I have a problem that I'm hoping you could help me with. Since you have obviously fixed it, as your pools are working.
ocminer, I believe you were asking this same question.

I'm getting these errors:

2014-04-05 01:26:54,034 DEBUG DBInterface # run_import_thread current size: 0
2014-04-05 01:26:54,089 INFO block_updater # Checking for new block.
2014-04-05 01:26:54,097 INFO block_updater # New block! Prevhash: 00000000003b34833c5c17bdd4bc7d5011843e08dcc4cfb6d6538c6499459885
2014-04-05 01:26:54,098 DEBUG block_updater # Next prevhash update in 5.000 sec
2014-04-05 01:26:54,098 DEBUG block_updater # Merkle update in next 59.999 sec
2014-04-05 01:26:54,100 DEBUG bitcoin_rpc_manager # Check Height -- Current Pool 0 : 19433
2014-04-05 01:26:54,102 DEBUG block_template # Got To  Block_template.py
2014-04-05 01:26:54,102 DEBUG block_template # Got To Block_template.py
2014-04-05 01:26:54,103 DEBUG coinbasetx # Got to CoinBaseTX
2014-04-05 01:26:54,103 ERROR template_registry # [Failure instance: Traceback: <type 'exceptions.ValueError'>: invalid address
/usr/lib/python2.7/dist-packages/twisted/internet/defer.py:1095:gotResult
/usr/lib/python2.7/dist-packages/twisted/internet/defer.py:1082:_inlineCallbacks
/usr/lib/python2.7/dist-packages/twisted/internet/defer.py:362:callback
/usr/lib/python2.7/dist-packages/twisted/internet/defer.py:458:_startRunCallbacks
--- <exception caught here> ---
/usr/lib/python2.7/dist-packages/twisted/internet/defer.py:545:_runCallbacks
/root/stratum-mining/lib/template_registry.py:142:_update_block
/root/stratum-mining/lib/block_template.py:62:fill_from_rpc
/root/stratum-mining/lib/coinbasetx.py:40:__init__
/root/stratum-mining/lib/coinbaser.py:76:get_script_pubkey
/root/stratum-mining/lib/util.py:269:script_to_address
]
2014-04-05 01:26:54,107 INFO coinbaser # Coinbase address '***hidden***' is valid
2014-04-05 01:26:54,108 DEBUG coinbaser # Address = ***hidden***
2014-04-05 01:26:54,108 DEBUG coinbaser # PubKey = ***hidden***
2014-04-05 01:26:54,108 DEBUG coinbaser # Is Compressed = True
2014-04-05 01:26:54,108 DEBUG coinbaser # Account = 


Any help is much appreciated! Can even pay in GRS for the solution.

I assume that this where it breaks:

    d = address_to_pubkeyhash(addr)
    if not d:
        raise ValueError('invalid address')
    (ver, pubkeyhash) = d
    return b'\x76\xa9\x14' + pubkeyhash + b'\x88\xac'



PS: I modified the quark hash python to use Groest hash function and also changed diff1 to 0x0000ffff00000000000000000000000000000000000000000000000000000000:

       elif settings.COINDAEMON_ALGO == 'quark':
            diff1 = 0x0000ffff00000000000000000000000000000000000000000000000000000000


Thank you!
498  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [GRS] GroestlCoin, (PoW), new hash aglo, CPU/GPU mining on: April 03, 2014, 06:58:00 AM
GRS currency is good, but the operators of this currency business is garbage, dog feces.
Marketing should let more people know how to operate it, to expand its influence, I hope to start within a week. Look now finally force prices continued to decline. I am very worried, according to the current state of development, this currency will soon die. I believe more and more people will lose confidence. Insisted it would not last long.

If you have a plan, we recommend that the first page is described in detail, so that more people know you, support you.
If you do not plan on subsequent days, I will give it up

A little harsh, but to the point. :-)

Developer, gruve_p, sent me a personal message saying that he currently doesn't have much time to devote to this coin. He would like us to set up a team of developers to promote and improve the coin. He will be supervising and recommending ways to improve.

If you are interested, please PM me, or gruve_p, or just post to this thread.

Also send through your recommendations. I did set up a trello account and set up bounty of 10,000 GRS for improved website design and a post about GRS to some well known forum.

C'mon it's part of the fun!

PS: I myself don't have experience in promoting coins and only started crypto mining/investing in December. But... I'm lead software architect (3D/C++) in a large computer firm, I've got BTC/GRS and time to devote to this. Last year I played clash of clans and and spent about 300 usd on gems :-) This is even more interesting! We're making future! I've gor 4 R9 290 all mining GRS and 3 200ghs AntMiners with which I buy GRS that you dump on nxt-e :-)
499  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [GRS] GroestlCoin, (PoW), new hash aglo, CPU/GPU mining on: April 02, 2014, 09:24:10 AM
Moved into http://groestlcoin.org/forum/index.php?topic=12.0
500  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [GRS] GroestlCoin, (PoW), new hash aglo, CPU/GPU mining on: April 02, 2014, 04:31:51 AM


Let's see if we can make it to cryptsy...
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