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Author Topic: [ANN][PWC] Project buried  (Read 3421 times)
minerapia
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July 27, 2013, 10:35:58 AM
 #1

TL;DR All blocks mined with NWO's orginal client after block 109680 can't be traded in Coins-e because this was a hard-fork, and those coins are in obsolete chain. Without updated client you can't send any prior coins either.

I've been interested in innerworkings of coins for sometime, after getting a "go ahead" from NWO (orginal powercoin dev) I decided to give this coin a closer look. What I've mostly done so far is that I updated coin parameters towards nowadays requirements. As some of you might remember this coin was "killed" with 51% earlier so I added something little to ensure more secure chain. This is initial client update, and I couldn't do much more without breaking compatibility to NWO client. In the next update I have more tools, because everybody is using this client Smiley

new block setting in summary:

45 second blocks (compared to old 30s), less stales is better imo.
3hr (240 blocks) retarget interval (old 12hr / 1440 ), faster retarget = less stalefest / stuck at high diff.
6x retarget limit (old 4x), diff adjusts better compared to hashrate changes.
60 PWC per block (old 40 PWC), I want that "new" coins have same value than "old".
same coin cap.

added more checkpoints.
added external checkpoint file, no need to download/compile new client just to add checkpoint.

- Users can add checkpoints into external file at
  C:\Users\'USERNAME'\AppData\Roaming\Powercoin\checkpoints.dat
  ~./powercoin/checkpoints.dat

  format is:
  blockheight hash

  example (which is actual checkpoint) is provided in the package, copy it in to the data directory.
  checkpoints from the file are added on the fly. If the checkpoints doesn't match your current blockchain client tries to hop into right blockchain automatically.
  Removing checkpoints requires client restart (you need to first remove it from the checkpoints.dat).

  I'll provide checkpoints at this thread, to ensure we all work on same chain. You need to manually edit checkpoint.dat (I'll add functionality for it to commandline/UI later)

lil tweaks to irc settings, new channel and prefix. I wanna take PWC more apart from LTC, as they share some common parameters (It was possible to   connect powercoin client to litecoin client. It still is but now were closer to remove that).

client is available at:
http://ge.tt/api/1/files/87ZDP2n/0/blob?download
win32 binaries only, sorry.

rest have to use source:
https://github.com/urpoapina/powercoin.git

example powercoin.conf:
rpcuser=user
rpcpassword=password
listen=1
server=1
testnet=0
rpcport=9863
port=9862
addnode=94.237.84.48

pools:
p2p -
http://94.237.84.48:9777 (1% fee, mine, damn ugly but supposed to work, supports +0.00xxxx, stratum)
http://next.afraid.org:8113/static/ (updated)

conventional-
http://94.237.84.48:9900 (1% fee, used for giveaways etc...)

http://silverwolf.ath.cx/pwc/ (old client, dont mine here)
http://pwc.minepool.net/ (old client, dont mine here)
http://pwc.cryptcoins.net/ (old client, dont mine here)
I have contacted these pool operators with no responses....

exchanges:
https://www.coins-e.com/exchange/PWC_BTC/   (using our chain)

blockchain explorer:
http://94.237.84.48:9902

this is a Mandatory update.

btw my motivational / dev fund is at pLWX8axRvcf4TLPHqAKjQUzNYCER22ZLJ2 Smiley

If you notice that you're client says that youre 200k+ blocks behind you have also connected to litecoin network.
Go download updated client, issue has been taken care of until I can separate us from litecoin network for good.

fixed in v1.011

TL;DR All blocks mined with NWO's orginal client after block 109680 can't be traded in Coins-e because this was a hard-fork, and those coins are in obsolete chain. Without updated client you can't send any prior coins either.

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minerapia
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July 27, 2013, 10:36:36 AM
 #2

checkpoint.dat
Code:
105000 14ab3362ff28df624d74b7551340cbbdf6d11f613d19b95986617bfbfe1b1df3
106000 59f981f22117f9f503b29d871988f2fc38f3244d6ad5c51beae6cb39826e219e
108500 7fc6656e2d690e39599eaf8790fc974177fe1f7e1ecf9aefe80150a81de6b0a5
109501 f7973749e482083ecb831998dbff2985bf00e6927fd2954645895a1f98944cfa
109681 e70ea0aa46b52e2814d088664274803cca46d685525de186618d90d8955dcedd
110000 a627502bde2827cd361f25b46f74931d4abd6243b93887d09fc41445fc9988b7
110500 4ab202974139eb450b5b10014b8b8290b774226e35c6d47ad8e4ce5137a13df7
111000 37708696e89ef80c28f9c54cf5d0edc5e5c122439058f00e7f7d5ef16f54d01a
112000 70981f64f2bc3dad61ca27f76761abc1426198a1708e424cb6cca133206407ec
113500 5eb7c594a8d7b627d075ab6587f31ff87eb19747ec9379c1a6b734c7d491d153
116000 2a991ea0593c8f46113c4b84aee9ab7f8178aa8b7e2c96517cbc12762a0f4307
118600 86df760a1f50c4ad26c392c4fdd9c4476bcaba8b0a8eab90527d371b9c55bdd5
123900 8ee6a6798c9bb285c63dc86e27784b19eb8767bcfef23ff5fe6546851713f71b
124971 4b1f9777e9f554a0769accd839726b2cb0a4120d56c2e96b5eaa3458ea1eb98b
170000 e052b8999926dd7c74382fe674290b6aa38067c12daa7cdfdf2a0a27edf89124

donations -> btc: 1M6yf45NskQxWXknkMTzQ8o6wShQcSY4EC
                   ltc: LeTpCd6cQL26Q1vjc9kJrTjjFMrPhrpv6j
minerapia
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July 27, 2013, 10:37:13 AM
 #3

V1.02 features:
 - Permanent separation from litecoin/old pwc network (ready)
 - Primitive fork failsafe (testing)
 - Adaptive difficulty algorithm (on drawing board)
 And of course bug fixes.

Planned on future releases:
 - Advanced fork failsafe (on drawing board)
 - Adaptation of PoS style alternative blocks (on drawing board)

Other
 - Fix mining with QT (low priority)
 - Blockexplorer / pools, other supportive stuff (altcha, silverwolf... Im looking at youre way Wink )

donations -> btc: 1M6yf45NskQxWXknkMTzQ8o6wShQcSY4EC
                   ltc: LeTpCd6cQL26Q1vjc9kJrTjjFMrPhrpv6j
jasonslow
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July 27, 2013, 10:41:51 AM
 #4

This great news +1.
mercSuey
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July 27, 2013, 10:47:50 AM
 #5

how about your marketing campaign?  will my eyes explode if I download the new client?
minerapia
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July 27, 2013, 10:59:57 AM
 #6

I let my coding do the marketing, I have some ideas tho...  Wink
btw. UI is the same.

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                   ltc: LeTpCd6cQL26Q1vjc9kJrTjjFMrPhrpv6j
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July 27, 2013, 11:06:28 AM
 #7

I thought the attacker had lots of coin waiting to be dumped. Not sure if it is good idea to resurrect the chain.
minerapia
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July 27, 2013, 11:26:22 AM
 #8

Theres over 400k 4M coins mined anyway, so I would trade with caution. I dont have exact details how many coins attacker did get Sad

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jasonslow
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July 27, 2013, 11:34:01 AM
 #9

I thought the attacker had lots of coin waiting to be dumped. Not sure if it is good idea to resurrect the chain.

The powercoin trading was not stopped after the attack. The trading was transferred to coins-e. If the attacker didn't deleted the wallet he could dumped it already. I think the attacker has 10% of all total pwc now.
minerapia
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July 27, 2013, 11:54:10 AM
 #10

If someone has debug.log from the time all that happened I would be interested to look at it

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July 27, 2013, 12:01:59 PM
 #11

If someone has debug.log from the time all that happened I would be interested to look at it

Is it possible to add proof of stakes to powercoin?
minerapia
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July 27, 2013, 12:15:14 PM
 #12

I havent really even considered it, because it wouldn't be "fair" to add it when some ppl have alot of coins allready.
I have some somewhat similar ideas tho... Wink
Suppose nothing is impossible when holding the source, but it could possibly require step-by-step implementation and it could possibly reflect into future blocks only.

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                   ltc: LeTpCd6cQL26Q1vjc9kJrTjjFMrPhrpv6j
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July 27, 2013, 12:40:35 PM
 #13

I havent really even considered it, because it wouldn't be "fair" to add it when some ppl have alot of coins allready.
I have some somewhat similar ideas tho... Wink
Suppose nothing is impossible when holding the source, but it could possibly require step-by-step implementation and it could possibly reflect into future blocks only.

I think security is more important. What if the attacker attack again. You can make the interest very small in the first month like .1% second month .2% and so on. Once the price go up and down I'm sure pwc will change hands many times.
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July 27, 2013, 12:48:48 PM
 #14

Fantastic work minerapia! You're a really talented dev, you have my full confidence and well wishes in resurrecting PWC.

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July 27, 2013, 01:02:01 PM
 #15

Why the hell, would you choose a dead coin, that was attacked, and nobody likes. There's lots of failed coins to choose from Roll Eyes

mercSuey
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July 27, 2013, 01:15:49 PM
 #16

If someone has debug.log from the time all that happened I would be interested to look at it

I'm willing to bet BigVern at cryptsy has a debug.log file stored somewhere.
minerapia
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July 27, 2013, 06:28:29 PM
 #17

updated qt client with small ducktape and glue patch which stops fetching blockchain from litecoin.
sorry for inconvenience, I prolly spent too lil time on QT as I were busy testing settings change fuctions.

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July 27, 2013, 06:37:18 PM
 #18

is there any reason i would get a weird block reward 43.80 Huh?

minerapia
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July 27, 2013, 06:42:41 PM
 #19

Fantastic work minerapia! You're a really talented dev, you have my full confidence and well wishes in resurrecting PWC.
Thanks, tho I smell a scent of sarcasm here Wink

Why the hell, would you choose a dead coin, that was attacked, and nobody likes. There's lots of failed coins to choose from Roll Eyes
Maybe this was a wrong coin, I am bit of a noob and had no bad wibes from this coin (as I werent altcoiner back when this was launched).
Reasons I went on this was:
 -allmost dead coin = I can run some tests in mainnet without messing other ppls mining.
 -allready listed, very low value = No need to "sell" this to exchanges, not much money involved if I **** this up
 -cought my eye in coinchoose Wink
 -I really didnt want to launch new coin, I'm not that much into marketing.

maybe I could have found better candidate, but I'll stick with this for awhile.


donations -> btc: 1M6yf45NskQxWXknkMTzQ8o6wShQcSY4EC
                   ltc: LeTpCd6cQL26Q1vjc9kJrTjjFMrPhrpv6j
minerapia
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July 27, 2013, 06:44:59 PM
 #20

is there any reason i would get a weird block reward 43.80 Huh?
theres prolly 3.80 PWC fees included in the block. which hash?

donations -> btc: 1M6yf45NskQxWXknkMTzQ8o6wShQcSY4EC
                   ltc: LeTpCd6cQL26Q1vjc9kJrTjjFMrPhrpv6j
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