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Author Topic: [1500 TH] p2pool: Decentralized, DoS-resistant, Hop-Proof pool  (Read 2033415 times)
streblo
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September 14, 2012, 05:12:06 PM
 #3441

It seems block 198663 has been added to p2pool list of solved blocks but it was not a p2pool block.
BCI simply reports which IP (and then maps it to a list of pools) relays the block to them in the "Relayed By" field. There's no real way of knowing who mined a block. This just means someone solved a block, sent it to a P2Pool miner (among other miners), and a P2Pool miner sent it to BCI. BCI connects to as many Bitcoin nodes as it can, but it can't always get the block directly from the solver of the block  Wink
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BR0KK
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September 14, 2012, 06:27:13 PM
 #3442

It runs great here Smiley

Im thinking of switching completely next month

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September 14, 2012, 08:15:47 PM
 #3443

Eh?

I'm suggesting a change to bitcoind that would speed things up.

My comment included the fact that most bitcoind's have most of the transactions that they receive each time they receive a new block.
The problem is that when a node receives a new block, it gets a copy of every transaction in the block and verifies every transaction in the block.
It, however, already has most if not all but one of the transactions in the block, and I'm not sure why the transactions in the memory pool are not verified enough to match the verification applied to the txns in the block.

The network latency of sending around a block is the exact reason I've suggested this before and again here.
none of that changes the fact that it's going to be at an inherent disadvantage vs most pools, that'll have 100's of open connections.    

http://blockchain.info/inv/00000000000004522cf2395cfdb85d268a393b781cba2217ce25a29e2f3921c9

09/14/12 18:35:47 ThreadRPCServer method=submitblock
09/14/12 18:35:48 SetBestChain: new best=00000000000004522cf2  height=198785  work=479119430009406564588  date=09/14/12 18:35:28
09/14/12 18:35:48 ProcessBlock: ACCEPTED

my US IP then received and processed it at 18:35:48, my kimsufi received it at 18:35:49, but didnt finish processing it until 18:35:53

my p2pool server reports

http://nogleg.com:9332/static/share.html#00000000000004522cf2395cfdb85d268a393b781cba2217ce25a29e2f3921c9

this was solved by someone in russia.  it was relayed to me by a node in slovenia.  i have 60ms ping time to this russian domain, 40ms to slovenia.  

hence 'addnode'

(ed: i never messed with addnodes myself until i started using p2pool, pretty easy to recognize that things would propagate slower when most ppl are running bitcoind with probably 8 connections, seems to me like faster processing time would benefit the person with 500 open connections even moreso..   btcguild has weird propagation,  seems slow to me.  i dont think that would have had a chance vs a slush, deepbit, emc, etc block)

Dacentec, best deals for US dedicated servers. They regularly restock $20-$25 Opterons with 8-16GB RAM & 2x1-2TB HDD's (ofc, usually lots of other good stuff to choose from).  I did a Serverbear benchmark of one of my $20/mo Opteron (June last year), it's here.  Have had about a half dozen different servers with Dacentec, & none have failed to sustain at least 40MB/s (burst higher). My favorite is a 12-month rent-to-own ZT Systems 2XL5520 16GB 2x2TB SATA for $40/month (got lucky with the 'off-brand', haven't seen a RTO 2xL5520 for under $50/mo since -- at least for monthly contracts).  wholesaleinternet.com has some ancient 2-core intel CPUs @ $10/mo sometimes (I got an Intel Core 2 6300 @ 1.86GHz, with a 250GB HDD with 46000 hours on it, LOL. $20 @ Dacentec is much better, if you can grab one). joesdatacenter.com (same location as Wholesale Internet) also occasionally has specials (or if you don't want to wait, it has an AMD Opteron 170 @ $16/mo).
kano
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September 14, 2012, 11:28:37 PM
 #3444

It seems block 198663 has been added to p2pool list of solved blocks but it was not a p2pool block.
BCI simply reports which IP (and then maps it to a list of pools) relays the block to them in the "Relayed By" field. There's no real way of knowing who mined a block. This just means someone solved a block, sent it to a P2Pool miner (among other miners), and a P2Pool miner sent it to BCI. BCI connects to as many Bitcoin nodes as it can, but it can't always get the block directly from the solver of the block  Wink
about 50% of blocks tell you who mined them ...

P2Pool is easy to identify due to the coinbase transaction having the payouts, forrestv's donation and other unusual stuff in there Smiley

The confusion comes from there being one (or more?) p2pool clones.

Pool: https://kano.is BTC: 1KanoiBupPiZfkwqB7rfLXAzPnoTshAVmb
CKPool and CGMiner developer, IRC FreeNode #ckpool and #cgminer kanoi
Help keep Bitcoin secure by mining on pools with Stratum, the best protocol to mine Bitcoins with ASIC hardware
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September 15, 2012, 01:38:00 AM
 #3445

So, I'm in the process of ordering one of those $30k ASIC rigs. Once i get it, how bad would it be to drop that amount of power (1,000GH/s) on P2Pool? Would I have to massively increase my own difficulty? (Would need help with that). Would the combination of the arrival of ASICs and the block reward dropping to 25BTC make mining with GPUs pointless anyway? Will P2Pool and bitcoind even be able to keep up with the hashing onslaught?

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September 15, 2012, 01:39:10 AM
 #3446

So, I'm in the process of ordering one of those $30k ASIC rigs. Once i get it, how bad would it be to drop that amount of power (1,000GH/s) on P2Pool? Would I have to massively increase my own difficulty? (Would need help with that). Would the combination of the arrival of ASICs and the block reward dropping to 25BTC make mining with GPUs pointless anyway? Will P2Pool and bitcoind even be able to keep up with the hashing onslaught?
If you're "in the process" of ordering it, there are literally thousands of orders ahead of you and so the question won't matter for a while anyway  Tongue
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September 15, 2012, 02:22:53 AM
 #3447

It seems block 198663

http://blockchain.info/block-index/00000000000001323ff001fd62e171e6066886841fb67b7792db3ab8bc2897a4

has been added to p2pool list of solved blocks but it was not a p2pool block.

spiccioli

Fixed this one manually.  Also I added some rudimentary filtering code to the p2pool block detection logic to ignore any blocks that look like p2pool blocks but happen to have < 10 outputs (the real p2pool currently has approx 200 on each found block).  That should prevent this particular p2pool clone from appearing in our block list unless they grow to have more miners.

On a side note, if you are the owner of this p2pool clone or if you are someone who is thinking of making a p2pool clone, please do us a favor and edit the source code to change the donation address from 1Kz5QaUPDtKrj5SqW5tFkn7WZh8LmQaQi4 to something else

(hint: look for 04ffd03de44a6e11b9917f3a29f9443283d9871c9d743ef30d5eddcd37094b64d1b3d8090496b53 256786bf5c82932ec23c3b74d9f05a6f95a8b5529352656664b in the source code) 

You can always send forrestv donations directly (and in this particular p2pool clone, they aren't donating at all anyway, so changing the address won't deprive forrestv of anything).

Was I helpful?  1TwmzX1wBxNF2qtAJRhdKmi2WyLZ5VHRs
WoT, GPG

Bitrated user: ewal.
Rassah
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September 15, 2012, 05:43:17 AM
 #3448

So, I'm in the process of ordering one of those $30k ASIC rigs. Once i get it, how bad would it be to drop that amount of power (1,000GH/s) on P2Pool? Would I have to massively increase my own difficulty? (Would need help with that). Would the combination of the arrival of ASICs and the block reward dropping to 25BTC make mining with GPUs pointless anyway? Will P2Pool and bitcoind even be able to keep up with the hashing onslaught?
If you're "in the process" of ordering it, there are literally thousands of orders ahead of you and so the question won't matter for a while anyway  Tongue

20-some of the rigs. They said they will release all there product lines at the same time. And they did say that all the orders that were placed before the end of August should be shipped before Christmas. But yeah, it will be a few months.

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September 15, 2012, 06:35:00 AM
 #3449

Quote
20-some of the rigs. They said they will release all there product lines at the same time. And they did say that all the orders that were placed before the end of August should be shipped before Christmas. But yeah, it will be a few months.

THey told that to the fpga single customers too..... i wouldn't count on them delivering before 2013 !

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September 15, 2012, 07:09:27 AM
 #3450

Quote
20-some of the rigs. They said they will release all there product lines at the same time. And they did say that all the orders that were placed before the end of August should be shipped before Christmas. But yeah, it will be a few months.

THey told that to the fpga single customers too..... i wouldn't count on them delivering before 2013 !

OK
Back to the question, can P2Pool and Bitcoin handle that?

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September 15, 2012, 09:53:18 AM
 #3451

Quote
20-some of the rigs. They said they will release all there product lines at the same time. And they did say that all the orders that were placed before the end of August should be shipped before Christmas. But yeah, it will be a few months.

THey told that to the fpga single customers too..... i wouldn't count on them delivering before 2013 !

OK
Back to the question, can P2Pool and Bitcoin handle that?
P2pool will just adjust share diff to pool hash power in minute. We see that already when pyramining join and we hit 500GH.
Bitcoin network will also adjust but much slower ;]
But witch that power is not better to mine solo?

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September 16, 2012, 02:03:34 PM
 #3452

I is a noob but forgive me I don't have time to read through this long thread, I have a simple question. I want to mine just for fun and to get that warm feeling inside that I'm contributing. My computer is over 10 years old, Pentium IV 2.4 Ghz. I have an old ATI Radeon X800Pro graphics card too. Would I be giving any benefit at all to the p2pool if I was to mine? Would my efforts even be registered? Can't bear to ask how much btc I would make.

'First they ignore you. Then they laugh at you. Then they attack you. Then you win.' - Mohandas Gandhi
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BR0KK
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September 16, 2012, 04:08:53 PM
 #3453

nope. if i were you i wouldn't start mining with that.. get a decent video card or a used fpga and start with this.

Your "stone-age" (sorry to be hard Tongue) PC will not mine efficient .... you wont make any profit. you even might not break even if considering electricity as a factor.

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September 16, 2012, 07:41:01 PM
 #3454

I is a noob but forgive me I don't have time to read through this long thread, I have a simple question. I want to mine just for fun and to get that warm feeling inside that I'm contributing. My computer is over 10 years old, Pentium IV 2.4 Ghz. I have an old ATI Radeon X800Pro graphics card too. Would I be giving any benefit at all to the p2pool if I was to mine? Would my efforts even be registered? Can't bear to ask how much btc I would make.
It would be just wasted time and energy. No matter the pool.

Quote
Can't bear to ask how much btc I would make.
Probably 0 or something like that. As i said, no matter the pool.
Your "graphic card" support nothing. It can't mine. Your CPU is stone-age and anyway, CPU mining today is useless, no matter the CPU. And soon GPU mining will be useless with the ASIC, so don't worry  Cheesy
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September 16, 2012, 07:43:54 PM
 #3455

So it seems p2pool will be natively supported by the bitcoin client

http://gtf.org/garzik/bitcoin/2012/state-of-the-coin-2012.pdf

i didn't know that and it's an awesome news for me!
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September 17, 2012, 07:33:17 AM
 #3456

So it seems p2pool will be natively supported by the bitcoin client

http://gtf.org/garzik/bitcoin/2012/state-of-the-coin-2012.pdf

i didn't know that and it's an awesome news for me!
They mean to include p2pool code into bitcoin client? Solo mining = build-in p2pool? Not getting it.

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rav3n_pl
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September 17, 2012, 08:13:19 AM
 #3457

P2pool v5 seems to be stable, maybe post change log and update 1st post?
Or we waiting for official bitcoin 0.6.4 that is need for this pool version?

1Rav3nkMayCijuhzcYemMiPYsvcaiwHni  Bitcoin stuff on my OneDrive
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September 17, 2012, 10:57:52 AM
 #3458

Does it make sense to write in the Bitcoind addnode with some of the superblock / Hubnodes of block chain?
These nodes have connectet> 1000 nodes, so if p2pool find a block, he wants distributet faster and the chance to orphaned is lower?

I provide a 1000Mbit+ Torrent-Seedbox in FR and a 500Mbit Box in NL for orginal Blockchain Bootstrap.dat download. and also for Armoryclient Torrent

Tips are welcome:  15MuGdPSXU62fEFE9XbBZN3UvJMHBDVBoy
rav3n_pl
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September 17, 2012, 12:13:12 PM
 #3459

Does it make sense to write in the Bitcoind addnode with some of the superblock / Hubnodes of block chain?
These nodes have connectet> 1000 nodes, so if p2pool find a block, he wants distributet faster and the chance to orphaned is lower?
It can be good IMO, but where find those addresses?

1Rav3nkMayCijuhzcYemMiPYsvcaiwHni  Bitcoin stuff on my OneDrive
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September 17, 2012, 12:51:56 PM
 #3460

So it seems p2pool will be natively supported by the bitcoin client

http://gtf.org/garzik/bitcoin/2012/state-of-the-coin-2012.pdf

i didn't know that and it's an awesome news for me!
They mean to include p2pool code into bitcoin client? Solo mining = build-in p2pool? Not getting it.

I guess it refers to the introduction of getblocktemplate.
From the information I perceived, it makes pool server to return the power of making blocks back to miners, just like p2pool;
but you still need a pool server to determine how to distribute block rewards, like p2pool uses a share chain.
P2pool switched from using getmemorypool to getblocktemplate one month ago,
so it is already in the not-yet-announced 0.4 release  Smiley

Bitcoin: 1NFMpJUW7sTKmnVKj12MxhPvCvzAKQ5gUV
Namecoin: N5Tnt3JyMeizsoAFAZDr7CSxjzDtPSisK8
Mining with P2Pool. Graph. Blocks.
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