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Author Topic: [1500 TH] p2pool: Decentralized, DoS-resistant, Hop-Proof pool  (Read 2577036 times)
racerguy
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September 08, 2012, 05:20:11 PM
 #3421

Cpu mining would be fine to make sure everything's running fine before your asics arrive - as long as you don't mind waiting a few days to get a single share.
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BR0KK
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September 08, 2012, 06:11:35 PM
 #3422

I've pointed 400MHs at P2Pool atm; First payout happened today.


Im quite happy with it (looked harder to install than it is). I might switch completely to this solution in a while!

Now i need to separate the bitcoind installation from my p2 pool server.
So that i have three different machines running (i like them separate! debuging gets easier)Smiley

I have a spare Raspberry pi (that is no Use as a miner with my Ztex boards). Would it be possible to run one of the two software on that machine? (how much CPU power does P2Pool need? i pointed a one core and 1.5gib of ram towards this VM. Seems enough....)

I need to forward the pools ports with my fritzbox this evening.



Is there a way to dispplay stst to the internet?
I use BTCmon with eclipse and my other pools. Is there something similar for P2Pool?







Krak
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September 08, 2012, 06:25:14 PM
 #3423

Is there a way to dispplay stst to the internet?
I use BTCmon with eclipse and my other pools. Is there something similar for P2Pool?
Just forward 9332 to the machine running p2pool and go to http://your.ip:9332 to see stats. Or get a domain name for your network if you have a dynamic IP address. You can see an example of this at http://p2pmining.com:9332

BTC: 1KrakenLFEFg33A4f6xpwgv3UUoxrLPuGn
doubleganger
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September 08, 2012, 07:37:21 PM
 #3424

Cpu mining would be fine to make sure everything's running fine before your asics arrive - as long as you don't mind waiting a few days to get a single share.

Thanks for the input.  No I wouldn't expect to get any  bitcoin doing it.
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September 09, 2012, 09:26:21 PM
 #3425

Block 198040 ... another private fork of p2pool ?
mdude77
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September 09, 2012, 09:35:13 PM
 #3426

Block 198040 ... another private fork of p2pool ?

That would explain it...

M

I mine at Kano's Pool because it pays the best and is completely transparent!  Come join me!
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September 10, 2012, 01:14:27 AM
 #3427

Block 198040 ... another private fork of p2pool ?

That would explain it...

M

Damn.  I guess I'll have to blacklist the addresses in those blocks because this is getting annoying.

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zvs
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September 10, 2012, 03:06:16 AM
Last edit: September 10, 2012, 03:36:18 AM by zvs
 #3428

...
well, you probably have more connections than the avg bitcoin user.

many will only have 8
9 on my main one and 8 on my secondary one Smiley

what about this one:


09/10/12 02:54:36 received block 0000000000000305d54f
09/10/12 02:54:37 SetBestChain: new best=0000000000000305d54f  height=198085  work=471019712921273781188  date=09/10/12 02:54:16


09/10/12 02:55:41 received block 0000000000000600c45a (from p2pool 'peer' share)
09/10/12 02:55:41 ERROR: ProcessBlock() : already have block 198085 0000000000000600c45a

yet blockchain.info shows

https://blockchain.info/block-index/286598/0000000000000600c45a2c0eab5e72939a45160c941d5658937a75f048dcef15

it received at 2:53:28 (afaik, the 'received' times reported on there are accurate'

https://blockchain.info/block-index/286596/0000000000000305d54fd22241482f7d8dae6a7ac947483a9e37249176e37632

the eclipseMC one was received at 2:54:34, i got it at 2:54:36, and passed it out to about 30 people


what other explanation is there, then someone that should be using addnode, or open up more connections?  there are a decent amt of nodes that actually received this block, even though i got it a full minute late

more stuff:

http://nogleg.com:9332/static/share.html#0000000000000600c45a2c0eab5e72939a45160c941d5658937a75f048dcef15

the parent share was seen like 2 1/2 minutes earlier

upstream bandwidth limitation?  that's all i can think of

another edit.. yeah, ok, so opening up more connections wouldn't help.  addnode might.

but  blockmaxsize=10000  in bitcoin.conf would be even better!

kano
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September 10, 2012, 11:49:15 AM
 #3429

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.

Pool: https://kano.is Here on Bitcointalk: Forum BTC: 1KanoPb8cKYqNrswjaA8cRDk4FAS9eDMLU
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spiccioli
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September 14, 2012, 04:01:06 PM
 #3430

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
rav3n_pl
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September 14, 2012, 05:03:22 PM
 #3431

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
ahhh.... not again... :/

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streblo
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September 14, 2012, 05:12:06 PM
 #3432

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
BR0KK
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September 14, 2012, 06:27:13 PM
 #3433

It runs great here Smiley

Im thinking of switching completely next month

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September 14, 2012, 08:15:47 PM
Last edit: September 14, 2012, 08:29:10 PM by zvs
 #3434

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)

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September 14, 2012, 11:28:37 PM
 #3435

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 Here on Bitcointalk: Forum BTC: 1KanoPb8cKYqNrswjaA8cRDk4FAS9eDMLU
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September 15, 2012, 01:38:00 AM
 #3436

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?

Shadow383
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September 15, 2012, 01:39:10 AM
 #3437

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
twmz
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September 15, 2012, 02:22:53 AM
 #3438

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
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Rassah
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September 15, 2012, 05:43:17 AM
 #3439

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
 #3440

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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