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Author Topic: p2pool - Decentralized, Absolutely DoS-Proof, Pool Hopping-Proof Pool [archival]  (Read 33072 times)
forrestv
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December 14, 2011, 03:52:15 AM
 #281

Ok, i switched to bitcoin 0.5, it seems OK now!

Yes, Bitcoin 0.5.0 is required now. I'll add that to the documentation.

but still get some "error like" messages:



Those are normal. There's an old peer mining a couple of shares.. I'll change P2Pool to make it obvious that these errors don't mean that something is wrong. EDIT: Fixed in https://github.com/forrestv/p2pool/commit/59a9680

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December 15, 2011, 08:05:53 AM
 #282

Since your update 0.7.1, everything runs without a problem for days. Good work!
forrestv
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December 15, 2011, 11:46:11 AM
 #283

P2Pool just got a block! http://blockexplorer.com/block/00000000000005514f57bfaa98de66f645cdb5de58e4c9592eb1076c7d009e63

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iongchun
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December 15, 2011, 01:53:20 PM
 #284


Great! It's my first time to get Bitcoin payout from p2pool Cheesy

Bitcoin: 1NFMpJUW7sTKmnVKj12MxhPvCvzAKQ5gUV
Namecoin: N5Tnt3JyMeizsoAFAZDr7CSxjzDtPSisK8
Mining with P2Pool. Graph. Blocks.
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December 15, 2011, 04:00:21 PM
 #285

I mined for the for the past few days at this pool and while finding the block.
But bitcoind and namecoind show no balance Sad
What is going on?


EDIT:
Log shows this

14:36:17.209802 Getting payout address from bitcoind...
14:36:17.514771     Pubkey request failed. Falling back to payout to address.
14:36:17.516206     ...success!
14:36:17.517064     Payout script: Address. Address: 1GxyaXnqtU9FvmjrZHfLGTTXFxVCMDKVf3
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December 15, 2011, 04:16:50 PM
 #286

The payment is a "generation" transaction, & takes 120 blocks to "mature". You should be able to see it if you "listtransactions", but it won't be in the balance until tomorrow.

EDIT: You'll have 11.19281017 when we get to block 157726
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December 15, 2011, 04:20:59 PM
 #287

omg ... thats probably it .. i feel so stupid Cheesy
that log made me fear the worst Cheesy

thank you
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December 15, 2011, 04:28:43 PM
 #288

No problem, happy to help Smiley
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December 15, 2011, 04:34:44 PM
 #289

I guess I was the one who found it.

Code:
GOT BLOCK! Passing to bitcoind!

 Cheesy
finway
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December 16, 2011, 01:10:19 AM
 #290

Can you make this pool running SMPPS mode , just like Eligius?

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December 16, 2011, 02:34:52 AM
 #291

Can you make this pool running SMPPS mode , just like Eligius?

I guess it is not possible to have a SMPPS-like "buffer" with distributed nodes.

Bitcoin: 1NFMpJUW7sTKmnVKj12MxhPvCvzAKQ5gUV
Namecoin: N5Tnt3JyMeizsoAFAZDr7CSxjzDtPSisK8
Mining with P2Pool. Graph. Blocks.
forrestv
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December 16, 2011, 02:46:20 AM
 #292

Can you make this pool running SMPPS mode , just like Eligius?

First, there is no way to store extra funds generated during lucky periods, because the pool can't keep any secrets from its users. (Using escrow payments might be possible, but has a lot of pitfalls - nodes could collude to steal pool's savings, nodes could go offline and money is lost forever.)

Some sort of hybrid scheme similar to...

A substantially different variant [of PPLNS] is to pay for every share at most once. If, when going backwards in the list of shares, we encounter some that were already paid, we skip them and move on to older shares.

...is definitely technically possible, but the size of the history of payments owed would have to be limited to prevent it from growing too large. Also, it would create a much greater reward from attacking the pool - instead of just nullifying the last 24 hours of other miners' work, an attacker with 51% of the mining power could create a separate sharechain stating that he's owed some enormous amount and override the history, forcing miners to pay any payouts during lucky periods to him.

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finway
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December 16, 2011, 03:32:00 AM
 #293

Can you make this pool running SMPPS mode , just like Eligius?

First, there is no way to store extra funds generated during lucky periods, because the pool can't keep any secrets from its users. (Using escrow payments might be possible, but has a lot of pitfalls - nodes could collude to steal pool's savings, nodes could go offline and money is lost forever.)

Some sort of hybrid scheme similar to...


What about auto-electing a 'CONGRESS' with like-i-say 100 members,
when a new block was found and a extra funds remain,
send  to MULTISIG by all 'CONGRESS' guys ' keys,
when withdraw, auto-vote?

--as you know i can't code, just some thoughts. Is this practical?

Mike Hearn
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December 16, 2011, 10:41:06 AM
 #294

Hey Forrest, what's up with the first output of your coinbase transaction? It's not a valid scriptPubKey. Is this some kind of p2pool marker tag? Why not put it in the scriptSig if so?
forrestv
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December 16, 2011, 11:21:36 AM
 #295

Hey Forrest, what's up with the first output of your coinbase transaction? It's not a valid scriptPubKey. Is this some kind of p2pool marker tag? Why not put it in the scriptSig if so?

It is indeed a p2pool tag - it's a hash of some data structures that is used to make shares unique. It used to be in the scriptSig, but with the rise of merged mining and miners needing to add their own data to the coinbase, it was simpler to give them complete control over the coinbase contents and make this separate.

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forrestv
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December 16, 2011, 11:44:25 AM
 #296

What about auto-electing a 'CONGRESS' with like-i-say 100 members,
when a new block was found and a extra funds remain,
send  to MULTISIG by all 'CONGRESS' guys ' keys,
when withdraw, auto-vote?

--as you know i can't code, just some thoughts. Is this practical?

This is possible and would be really neat, but it'd be really complex. Also, there are some problems - What if half of the nodes go offline or were reset when it's time to withdraw?

I'll think about it more..

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Mike Hearn
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December 16, 2011, 08:33:00 PM
 #297

Hmm, scriptSig is the sort of canonical place to put block data. Merged mining should be able to use any index into the scriptSig. If the tools can't do that, it'd be good to fix them.

CHECKMULTISIG is a basic form of threshold cryptography. In threshold ECDSA you can create N "key shares" and T shares can be used to sign where T < N for some arbitrary T and N.

The simpler forms require a trusted dealer to create the key and then split it. Some fancier algorithms eliminate the need for a trusted dealer.

CHECKMULTISIG can do thresholding without a trusted dealer, but it's very inefficient (expensive fees). Real threshold ECDSA doesn't have any cost to the block chain, but I don't know of any publically available implementations. AFAICT it's only described in academic papers.
forrestv
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December 23, 2011, 11:37:31 PM
 #298

P2Pool 0.8 - tag: release-0.8

Windows py2exe binary: http://u.forre.st/u/gtrmtyze/p2pool_0.8_d893094.zip
Source tarball: https://github.com/forrestv/p2pool/tarball/release-0.8

Changes:
* Worker interface now caches merkle roots and changes the timestamp to improve latency
* Fixes merged mining block submit bug
* --debug now submits all merged mining solutions, whether they match the target or not, so it can be tested
* Message displayed whenever new merged mining work arrives:
11:29:09.781837 Got new merged mining work! Difficulty: 425748.907476
* Some other efficiency improvements for miners
* ± display bug fixed

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December 24, 2011, 02:17:27 PM
 #299

Code:
08:14:55.132000 Error in DeferredResource handler:
08:14:55.132000 Traceback (most recent call last):
08:14:55.132000   File "twisted\web\http.pyc", line 773, in requestReceived
08:14:55.428000
08:14:55.584000   File "twisted\web\server.pyc", line 127, in process
08:14:55.880000
08:14:56.036000   File "twisted\web\server.pyc", line 147, in render
08:14:56.192000
08:14:56.489000   File "p2pool\util\deferred_resource.pyc", line 24, in render
08:14:56.645000
08:14:56.801000 --- <exception caught here> ---
08:14:56.957000   File "twisted\internet\defer.pyc", line 133, in maybeDeferred
08:14:57.097000
08:14:57.253000   File "twisted\web\resource.pyc", line 215, in render
08:14:57.409000
08:14:57.565000 twisted.web.error.UnsupportedMethod: ['HEAD', 'POST']
08:14:58.033000 Pool: 13026MH/s in 10016 shares (1375/10016 verified) Recent: 0.
00% >0H/s Shares: 0 (0 orphan, 0 dead) Peers: 4
08:14:58.033000 Average time between blocks: 4.41 days
08:14:58.033000 Pool stales: 15%
08:14:58.845000 Processing 1001 shares...
08:15:03.166000 Requesting parent share ce4f10b8 from 94.23.34.145:9333
08:15:03.166000 ... done processing 1001 shares. New: 1001 Have: 11017/~17280
08:15:26.987000 Pool: 13026MH/s in 11017 shares (2376/11017 verified) Recent: 0.
00% >0H/s Shares: 0 (0 orphan, 0 dead) Peers: 4
08:15:35.661000 Average time between blocks: 4.41 days
08:15:35.676000 Pool stales: 15%
08:15:35.863000 Requesting parent share ce4f10b8 from 94.23.34.145:9333
08:15:36.066000 Error in HeightTracker._think2:
08:15:36.066000 Traceback (most recent call last):
08:15:36.066000 Failure: twisted.internet.error.TimeoutError: User timeout cause
d connection failure.

Only seems to appear when there is "new work for worker".
New version. Bitcoinqt 0.5.1 on Win7x64.

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forrestv
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December 24, 2011, 08:00:37 PM
 #300

Only seems to appear when there is "new work for worker".
New version. Bitcoinqt 0.5.1 on Win7x64.

What miner are you using? Poclbm? It does long polls using HTTP GET requests instead of JSON-RPC, which I didn't know.

EDIT: The latest commit has a fix for this.

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