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Author Topic: New Ixcoin fork -> I0coin  (Read 204564 times)
K1773R
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June 04, 2013, 09:02:49 AM
 #1801

I am hoping that both I0Coin and GeistGeld might be a lot more amenable once the "Mergecoin" repo is ready and all the merged mined coins use it to update themselves to recent bitcoin code.

-MarkM-


+1

After using leveldb in bitcoin, the thrashing my disk took bootstrapping all the merged mining chains was embarrassing.
this wont fix i0coin, i0coin has a huge amount of memleaks...

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markm
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June 04, 2013, 10:07:35 AM
 #1802

this wont fix i0coin, i0coin has a huge amount of memleaks...

Yes it will, because those memleaks are not in bitcoin nor in the merged mining patches.

They are due to some stupid pointless garbage hack or other, or even just a typo or something, in I0Coin, if they exist at all.

All that I0Coin itself really is is a name, a magic handshake bytes set, an IRC channel or collection of IRC channels, a couple of default ports, a difficulty adjustment routine, a block number at which merged mining started, and a block subsidy schedule.

So we take a fully working nice up to date merged mined coin, and change the name, ports, IRC channel, etc etc and presto,a new incarnation of I0Coin but this time without putting stupid memleaks crap into it nor stupid DNS lookup crap into it nor any other useless or damaging crap into it.

However, it might still need shitloads of memory, because even the latest bitcoin code keeps all unspent outputs in RAM I think, and I0Coin likely has a massive number of tiny unspent outputs thanks to a period in which someone was spamming it with "dust" transactions.

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June 04, 2013, 02:22:43 PM
 #1803

this wont fix i0coin, i0coin has a huge amount of memleaks...

Yes it will, because those memleaks are not in bitcoin nor in the merged mining patches.

leveldb will not,   some other changes done at the same time will help.   However I am still unconvinced i0coin having memleaks is the root cause of the issue.  I think it is an issue that is present in at least some of the mm patches.   I noticed that at the point that the mm kicks in, the memory usage starts to grow at the rate of about 10x per block as it did before the mm kicks in.

Additionally, I think the same behavior is in nmc test. I also see evidence of it in coiledcoin, and groupcoin.   I think the reason we don't see it for devcoin and nmc, is that the major pools for these form their blocks outside of the *coind codes logic.

http://dot-bit.org/forum/viewtopic.php?f=7&t=972

I just don't have the tools and resources locally set up to dig into this further, and was unable to find a good enough online block explorer to do so.  Since I am pretty much out of disk space on my laptop, it is going to be awhile till I can get back into digging into this, so hopefully someone else can beat me to it.


Quote
They are due to some stupid pointless garbage hack or other, or even just a typo or something, in I0Coin, if they exist at all.

Are you sure of this?

Quote
So we take a fully working nice up to date merged mined coin, and change the name, ports, IRC channel, etc etc and presto,a new incarnation of I0Coin but this time without putting stupid memleaks crap into it nor stupid DNS lookup crap into it nor any other useless or damaging crap into it.

Why are you so sure it is a memleak?   I think it is simply due to the issue above with mm, and the  number of blocks i0 has compared to the other chains.  dns lookup crap is due to it using ntp internally to enforce shorter windows of timestamps.   I know I used to advocate for a nontp option at least so on systems already keeping good time (running ntp already for example), all this crap can be turned off, and stop the load on the ntp public servers, and network use that is unneeded etc.


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June 04, 2013, 09:06:59 PM
 #1804

this wont fix i0coin, i0coin has a huge amount of memleaks...

Yes it will, because those memleaks are not in bitcoin nor in the merged mining patches.

leveldb will not,   some other changes done at the same time will help.   However I am still unconvinced i0coin having memleaks is the root cause of the issue.  I think it is an issue that is present in at least some of the mm patches.   I noticed that at the point that the mm kicks in, the memory usage starts to grow at the rate of about 10x per block as it did before the mm kicks in.

Additionally, I think the same behavior is in nmc test. I also see evidence of it in coiledcoin, and groupcoin.   I think the reason we don't see it for devcoin and nmc, is that the major pools for these form their blocks outside of the *coind codes logic.

http://dot-bit.org/forum/viewtopic.php?f=7&t=972

I just don't have the tools and resources locally set up to dig into this further, and was unable to find a good enough online block explorer to do so.  Since I am pretty much out of disk space on my laptop, it is going to be awhile till I can get back into digging into this, so hopefully someone else can beat me to it.


Quote
They are due to some stupid pointless garbage hack or other, or even just a typo or something, in I0Coin, if they exist at all.

Are you sure of this?

Quote
So we take a fully working nice up to date merged mined coin, and change the name, ports, IRC channel, etc etc and presto,a new incarnation of I0Coin but this time without putting stupid memleaks crap into it nor stupid DNS lookup crap into it nor any other useless or damaging crap into it.

Why are you so sure it is a memleak?   I think it is simply due to the issue above with mm, and the  number of blocks i0 has compared to the other chains.  dns lookup crap is due to it using ntp internally to enforce shorter windows of timestamps.   I know I used to advocate for a nontp option at least so on systems already keeping good time (running ntp already for example), all this crap can be turned off, and stop the load on the ntp public servers, and network use that is unneeded etc.


according to valgrind every CheckBlock creates 1+ leak, no matter if you mined it or someone else. ive only saw this so far in i0coin
using the basic tools for debugging before assumptions is a good idea Tongue

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June 05, 2013, 06:55:11 AM
 #1805

according to valgrind every CheckBlock creates 1+ leak, no matter if you mined it or someone else. ive only saw this so far in i0coin
using the basic tools for debugging before assumptions is a good idea Tongue

I did not see that yet. Maybe running out of ram screwed up my valgrind results?  Though I don't even see anything in CheckBlock, in the version I have, that allocates memory off hand.    What assumptions are being made?    CheckBlock also is called regardless of mm being on or not,  it would not explain the rapid growth in memory usage once the mm blocks are hit would it?  Hopefully I can get a new computer soon and actually run i0coin again to get better data.

BTW, could you add block size to the information shown on your blockexporer?


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June 05, 2013, 07:03:23 AM
 #1806

according to valgrind every CheckBlock creates 1+ leak, no matter if you mined it or someone else. ive only saw this so far in i0coin
using the basic tools for debugging before assumptions is a good idea Tongue

I did not see that yet. Maybe running out of ram screwed up my valgrind results?  Though I don't even see anything in CheckBlock, in the version I have, that allocates memory off hand.    What assumptions are being made?    CheckBlock also is called regardless of mm being on or not,  it would not explain the rapid growth in memory usage once the mm blocks are hit would it?  Hopefully I can get a new computer soon and actually run i0coin again to get better data.

BTW, could you add block size to the information shown on your blockexporer?
my blockexplorer isnt really kept up to date as its an older version and i have to find a fix for the HD trashing... take a look @ the last block and you see only DVC is actually up to date.

EDIT: namecoin started again, this wont trash my HD so hard Wink

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September 15, 2013, 03:42:51 AM
 #1807

Is Ixcoin taking hash-power away from the BTC network?
As of the typing of this only 4.76 bl/hr are being generated.
We really need to get merged mining going, otherwise when Oh-look another-coin comes along we'll be down to 3 bl/hr.
   

wow what do you think about this comment now?

Eyes open, No Fear. Be Safe!
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January 03, 2014, 05:27:48 PM
 #1808

So is this coin dead ?

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January 03, 2014, 05:31:20 PM
 #1809

No way. It is back on Bitparking's mmpool merged mining pool since a while back when it was the first of the merged mined coins to get a fix for a RAM hogging problem that all merged mined coins would ultimately have come up against.

It is also on at least one exchange: Vircurex.

-MarkM-

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February 20, 2014, 08:08:24 AM
 #1810

this coin will overtake ixcoin as it has all the benefits none of the premine

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April 15, 2014, 10:58:26 PM
 #1811

Well for what it's worth we added i0Coin to AllCrypt.com - tho a thread with no posts for almost 2 months doesn't bode well for it sticking around...

AllCrypt.com - Your new CryptoCurrency Exchange Now Open! www.AllCrypt.com
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June 27, 2014, 12:00:07 AM
 #1812

this coin will overtake ixcoin as it has all the benefits none of the premine


How is the overtake prediction working out for you guys?

The i0Coin devs forgot to embed special hidden Aramaic meanings.  lol, that's iXcoin's real secret weapon.

 
Edit:  i0Coin doesn't even have a block explorer?  Sad.

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June 27, 2014, 09:49:36 PM
 #1813

this coin will overtake ixcoin as it has all the benefits none of the premine


How is the overtake prediction working out for you guys?

The i0Coin devs forgot to embed special hidden Aramaic meanings.  lol, that's iXcoin's real secret weapon.

 
Edit:  i0Coin doesn't even have a block explorer?  Sad.

well its attracted Vlad to comment!

More seriously though it offers all the benefits of IXC with none of the negatives.

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June 27, 2014, 10:19:33 PM
 #1814

this coin will overtake ixcoin as it has all the benefits none of the premine


How is the overtake prediction working out for you guys?

The i0Coin devs forgot to embed special hidden Aramaic meanings.  lol, that's iXcoin's real secret weapon.

 
Edit:  i0Coin doesn't even have a block explorer?  Sad.

well its attracted Vlad to comment!

More seriously though it offers all the benefits of IXC with none of the negatives.


You mean besides the 3 times i0Coin died?

And the fact iXcoin is much more secure at nearly 80 Peta Hash?

Other than that, it's better than IXC. 

Joking Around guys, I see your point but it looks like some very powerful people have already chosen iXcoin.  Maybe it's time to join the VladFest.

Cheers!

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June 27, 2014, 11:35:33 PM
 #1815

3 times dead and still going means it likely unkillable.

met 80 PTH v 10 PTH at that point who cares?

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June 28, 2014, 02:11:58 AM
 #1816




Do you guys have a block explorer?  I can't find one.

Thanks.

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June 28, 2014, 04:06:07 AM
 #1817


Do you guys have a block explorer?  I can't find one.

Thanks.

i0coin is just two rows up from ixcoin at http://altexplorer.net/

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June 28, 2014, 05:39:24 AM
 #1818


You mean besides the 3 times i0Coin died?

Joking Around guys, I see your point but it looks like some very powerful people have already chosen iXcoin.  Maybe it's time to join the VladFest.

Cheers!


I know you're mostly joking, but for the record I0coin didn't really die 3 times.  You could say it died once, but that's it.  It went down to probably just two or three clients mining.  It "died" because the client was using too much memory so all pools stopped mining it.  There was a failed attempt at a version 0.6 client, but it was never adopted by the pools because the merged mining didn't work.   That was fixed in Aug-2013.  Now I0coin is super stable, and from what I've read, iXcoin is based on the 0.8 version of I0coin.  So iXcoin coin actually owes I0coin for its latest stable update.

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September 21, 2015, 07:47:02 AM
 #1819

Is this the official thread for i0Coin?

I noticed vircurex dropped the coin from trading and f2pool dropped the mining so i0 has been left for dead.

I like nearly dead coins.

So is anybody interested in selling some i0?

I need about a week to get the money but I would like to buy at least 100,000 coins.

Please send me a PM if you're interested.

Cheers!

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September 21, 2015, 08:21:38 AM
 #1820

Vircurex screwed up, yeah. I0Coin is not dead, but the last bitcoins I sent to Vircurex, back in January or February, have still not arrived there and they still have not responded to emails about it.

I cancelled all my IXCoin and I0Coin offers there butmy last withdraw of I0Coins from there failed and who knows if they will fix that before they remove the withdraw option? So it looks likely they plan to steal I0Coins though dunno where they plan to seel the stolen coins.

Both I0Coin and IXCoin were on long term rise until Vircutrex screwed them both by preventing deposit of bitcoins with which to buy the coins.

I am still trying to get the latest versions of Open Transactions working so I can get my Open Transactions server accessible to folks again without their having to already have an ancient version on their systems, I am also looking into a so called distributed exchange system, which should work with I0Coin (though maybe not IXCoin) because I0Coin supports multi-signature addresses.

I was paying over 10,000 satoshis per coin for I0Coins and IXCoins by the time vircurex decided to screw them by not letting me deposit bitcoins to buy them with, how much were you thinking of paying for I0Coins?

-MarkM-

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