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Author Topic: New Ixcoin fork -> I0coin  (Read 207032 times)
d.james
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August 28, 2011, 10:07:59 AM
 #941


I would like to setup a bounty for fixing i0coins:

200 i0coins for the one who fixes it!

Who wants to add some more? Quote and add your name to the list!

Bounty list:

MaGNeT - 200 i0coins
d.james - 400 i0coins

Total - 600 i0coins

^^ I'll double your bounty.

You can not roll a BitCoin, but you can rollback some. Cheesy
Roll me back: 1NxMkvbYn8o7kKCWPsnWR4FDvH7L9TJqGG
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sd
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August 28, 2011, 10:41:39 AM
 #942

The one week part of "one week or 2016 blocks" retargeting is b0rked.
Downloading the chain with a fresh datadir makes it try to retarget at block 1.
Then it tries to go back 2016 blocks. from block 1. Boom, NULL pointer.
With a client that already has the blockchain up to some point in the past, it'll start disagreeing on what the target should be (again, mistrigger of the after-7-days stuff)... around now.
Easy Fix: pull a Thomas and blatantly rip off solidcoins retargeting algo.

Indeed, it should be an easy fix. Not that I've ever looked at the code, there might be reasons why this isn't an easy fix.


Software development in one line:

Develop -> Test it compiles -> Automated Unit Tests -> Test functionality -> User Acceptance testing -> Alpha -> Beta -> RC -> Production
fusebox
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August 28, 2011, 11:39:11 AM
 #943

finally broke out of the newbie jail....

yup, if kr105 doesn't respond very soon we'll just have to adjust the client on our own and hopefully everyone else will update to the same codes.


working on it...
https://github.com/fusebox/i0coin

Checked in artforz recommended changes... trying to compile now (not as trivial).

Any other changes we should rip off of other forks?
ArtForz
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August 28, 2011, 12:33:21 PM
 #944

I think you messed up the genesis "pszTimestamp" string literal while editing.
for portability it should prolly be changed to
Code:
const char* pszTimestamp = "15/Ago/2011 - Diario El Dia - Obama cae al 39% en la aprobaci\xf3n ciudadana";
notice the \xf3 escape in the string, it's a literal 0xf3 char in the original source. iirc thats not valid C++ and tends to get broken easily by a editor using the wrong codepage.

bitcoin: 1Fb77Xq5ePFER8GtKRn2KDbDTVpJKfKmpz
i0coin: jNdvyvd6v6gV3kVJLD7HsB5ZwHyHwAkfdw
fusebox
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August 28, 2011, 12:40:52 PM
 #945

I think you messed up the genesis "pszTimestamp" string literal while editing.
for portability it should prolly be changed to
Code:
const char* pszTimestamp = "15/Ago/2011 - Diario El Dia - Obama cae al 39% en la aprobaci\xf3n ciudadana";
notice the \xf3 escape in the string, it's a literal 0xf3 char in the original source. iirc thats not valid C++ and tends to get broken easily by a editor using the wrong codepage.

Fixed
fusebox
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August 28, 2011, 12:57:42 PM
 #946

Woudl be nice to get merged mining support in here... Like to see if that would ever really work and dont want to wait till december to see name coin try it out.
ArtForz
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August 28, 2011, 02:10:24 PM
 #947

"It compiles, ship it!"
On a more serious note, for a merged mining currency it'd be better to start a fresh chain and not be associated with the general failure that is ix/i0 (and namecoin testnet already has a working implementation).

bitcoin: 1Fb77Xq5ePFER8GtKRn2KDbDTVpJKfKmpz
i0coin: jNdvyvd6v6gV3kVJLD7HsB5ZwHyHwAkfdw
joulesbeef
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August 28, 2011, 05:31:38 PM
 #948

eh I will bump this... surprised there arent more complains when you look at all the coins for sale on bitparking
yeah i0coin was created on a lark.. but if it can be fixed..even just fixed so it can properly die, than it should be fixed.

mooo for rent
Mousepotato
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August 28, 2011, 05:39:26 PM
 #949

So is i0coin going to adopt the Solidcoin difficulty algorithm?

Mousepotato
ArtForz
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August 28, 2011, 05:51:26 PM
 #950

Well, thats what my patch does, switch to straight solidcoin algo after block 14639 (180s/block, diff increase limit, retargeting period 240 blocks), but keep i0s 48 coin/block reward.
-> diff should adjust by /4 after 14639, and at 4096 diff even single-digit Ghps should be able to sustain at least 1-2 blocks/hour or so.
I guess we could just disable the 7-day thing and keep i0s retargeting algo, but then we'd be stuck at diff 16384 for a looooong time.

bitcoin: 1Fb77Xq5ePFER8GtKRn2KDbDTVpJKfKmpz
i0coin: jNdvyvd6v6gV3kVJLD7HsB5ZwHyHwAkfdw
joulesbeef
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August 28, 2011, 05:54:27 PM
 #951

you should adopt solids diff algo.. maybe tweak it a bit but something like that.
if you want i0coin to actually compete.
I would actually probably do it ever 6 hours rather than 12

mooo for rent
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August 28, 2011, 06:01:39 PM
 #952

So is it safe for i0exchange to start back trading again?

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ArtForz
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August 28, 2011, 06:09:26 PM
 #953

Well, once theres reasonable consensus on what the new algo should be, it's just a matter of changing the constants and finding a suck... masochi... kind soul to build binaries.
Probably not a too good idea to open a exchange back up before "everyone" switched and the network gets at least a few dozen Ghps.

bitcoin: 1Fb77Xq5ePFER8GtKRn2KDbDTVpJKfKmpz
i0coin: jNdvyvd6v6gV3kVJLD7HsB5ZwHyHwAkfdw
tacotime
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August 28, 2011, 06:55:16 PM
 #954

Sorry if this is the wrong place to post, but I couldn't find anywhere else.

Is anyone selling i0coins?

Thanks.

I have 400 i0coins you can buy for $0.01 BTC each

Code:
XMR: 44GBHzv6ZyQdJkjqZje6KLZ3xSyN1hBSFAnLP6EAqJtCRVzMzZmeXTC2AHKDS9aEDTRKmo6a6o9r9j86pYfhCWDkKjbtcns
jackjack
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August 28, 2011, 07:03:27 PM
 #955

Sorry if this is the wrong place to post, but I couldn't find anywhere else.

Is anyone selling i0coins?

Thanks.
you can buy for $0.01 BTC each
Grin

Own address: 19QkqAza7BHFTuoz9N8UQkryP4E9jHo4N3 - Pywallet support: 1AQDfx22pKGgXnUZFL1e4UKos3QqvRzNh5 - Bitcointalk++ script support: 1Pxeccscj1ygseTdSV1qUqQCanp2B2NMM2
Pywallet: instructions. Encrypted wallet support, export/import keys/addresses, backup wallets, export/import CSV data from/into wallet, merge wallets, delete/import addresses and transactions, recover altcoins sent to bitcoin addresses, sign/verify messages and files with Bitcoin addresses, recover deleted wallets, etc.
smoothie
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LEALANA Monero Physical Silver Coins


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August 28, 2011, 08:41:16 PM
 #956

Sorry if this is the wrong place to post, but I couldn't find anywhere else.

Is anyone selling i0coins?

Thanks.

I have 400 i0coins you can buy for $0.01 BTC each

Are you denominating in bitcoins or dollars? The way you wrote it is confusing "$0.01 BTC".

If it is BTC that is a super rip off lol.

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            ,╓p@@███████@╗╖,           
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ArtForz
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August 28, 2011, 09:00:15 PM
 #957

At USD 0.01 it's still a ripoff  Wink

bitcoin: 1Fb77Xq5ePFER8GtKRn2KDbDTVpJKfKmpz
i0coin: jNdvyvd6v6gV3kVJLD7HsB5ZwHyHwAkfdw
Technocrat
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August 28, 2011, 09:00:50 PM
 #958

Is there any value to these coins?
Can you even make a transaction?
joulesbeef
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August 28, 2011, 09:06:55 PM
 #959

Is there any value to these coins?
Can you even make a transaction?
if someone buys them, they have value even if they are nothing more than digital paper weights right now.

but read a page back or two, paper weights might actually turn back into currency soon.

mooo for rent
jackjack
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August 28, 2011, 09:10:17 PM
 #960

Well, thats what my patch does, switch to straight solidcoin algo after block 14639 (180s/block, diff increase limit, retargeting period 240 blocks), but keep i0s 48 coin/block reward.
-> diff should adjust by /4 after 14639, and at 4096 diff even single-digit Ghps should be able to sustain at least 1-2 blocks/hour or so.
I guess we could just disable the 7-day thing and keep i0s retargeting algo, but then we'd be stuck at diff 16384 for a looooong time.
Why not allowing difficulty to be divided by more than 4?
4 was chosen to avoid huge difficulty change but as we're now changing difficulty far more quicker we can get rid of that limit, or modifying it to 10 or 20

Own address: 19QkqAza7BHFTuoz9N8UQkryP4E9jHo4N3 - Pywallet support: 1AQDfx22pKGgXnUZFL1e4UKos3QqvRzNh5 - Bitcointalk++ script support: 1Pxeccscj1ygseTdSV1qUqQCanp2B2NMM2
Pywallet: instructions. Encrypted wallet support, export/import keys/addresses, backup wallets, export/import CSV data from/into wallet, merge wallets, delete/import addresses and transactions, recover altcoins sent to bitcoin addresses, sign/verify messages and files with Bitcoin addresses, recover deleted wallets, etc.
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