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Author Topic: [1500 TH] p2pool: Decentralized, DoS-resistant, Hop-Proof pool  (Read 2570179 times)
jtoomim
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May 19, 2017, 01:57:42 AM
 #15381

If you mine a share that exceeds the difficulty threshold do you get paid more for a share that way exceeds the threshold over one that just squeaks by?
The difficulty of the share is different from the hash that the share actually gets. The threshold for the share is encoded into the share itself, and is part of what gets hashed, which means it's like saying "I promised you I would make a share with difficulty X, and if you hash this sentence (which includes nonce Y) you'll see that it meets that difficulty level." It doesn't matter how far you exceed that difficulty threshold.

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in2tactics
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May 19, 2017, 02:47:03 AM
 #15382

This seems like yet another example of people not understanding what we are actually doing. Shocked

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May 19, 2017, 09:14:47 PM
Last edit: May 20, 2017, 04:36:56 PM by jtoomim
 #15383

To whomever is mining on ml.toom.im:9332 with address 3GU89xZmzJfCBXFzbB3mC2dsxDyKqrD7nz:

P2pool does not support multisig or P2SH addresses. Any worker name that is not a regular P2PKH address (starting with a 1) ends up contributing to the default address for that node. In other words, you're mining into my wallet, not your own.

I'll send you the 0.125 btc you made in the last block soon-ish (few days? I don't currently have access to that wallet), but I think everyone would be happier if you mined directly into your own address. Edit: sent.

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May 20, 2017, 12:09:14 AM
 #15384

Can someone explain the drop in hashing power pointed to p2pool?  I saw someone else mention it was up to 12PH and now it's hovering between 2-3PH.  Did I miss something? 

Everyone go back to a centralized pool?  What the hay??
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May 20, 2017, 12:32:54 AM
 #15385

Can someone explain the drop in hashing power pointed to p2pool?  I saw someone else mention it was up to 12PH and now it's hovering between 2-3PH.  Did I miss something? 

Everyone go back to a centralized pool?  What the hay??

Rentals are only sustainable if they're hitting blocks on a regular basis. The price of rentals also rises with demand. Most likely scenario is the rented hash that was contributing to P2Pool ran out and the cost vs. profit was too great a ratio to justify another week of 'maybe a block'
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May 20, 2017, 04:18:07 AM
 #15386

This seems like yet another example of people not understanding what we are actually doing. Shocked
No, I thought it was the former, but it had me questioning a bit. Technically the scenario of paying more for bigger shares would not be logical as the guy/gal/dog who submits the winning share would get a larger percentage of the proverbial pie.

I don't understand every nuance, my specialty is hacking and fixing the mining hardware. That I'm good at :-)
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May 20, 2017, 04:47:25 AM
 #15387

Ok that mean fair on share wahaha. nice p2pool you are great. i see last time friday is 4 Ph/s now why become 2 Ph/s wahaha....(◕‿◕)

To whomever is mining on ml.toom.im:9332 with address 3GU89xZmzJfCBXFzbB3mC2dsxDyKqrD7nz:

P2pool does not support multisig or P2SH addresses. Any worker name that is not a regular P2PKH address (starting with a 1) ends up contributing to the default address for that node. In other words, you're mining into my wallet, not your own.

I'll send you the 0.125 btc you made in the last block soon-ish (few days? I don't currently have access to that wallet), but I think everyone would be happier if you mined directly into your own address.

is that mean p2pool adresss or something?when i used another address can't run when p2pool adress from generated tools. only that workingo(≧▽≦)o

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May 20, 2017, 06:51:26 AM
 #15388

This seems like yet another example of people not understanding what we are actually doing. Shocked
No, I thought it was the former, but it had me questioning a bit. Technically the scenario of paying more for bigger shares would not be logical as the guy/gal/dog who submits the winning share would get a larger percentage of the proverbial pie.

I don't understand every nuance, my specialty is hacking and fixing the mining hardware. That I'm good at :-)

Technically, the guy/gal/dog who submits the winning share DOES get the larger percentage of the proverbial pie, or at least used to, in the form of a 0.5% incentive. I don't know if that's still coded in or not though.

From the P2Pool Wiki: A subsidy of 0.5% is sent to the node that solved the block in order to discourage not sharing solutions that qualify as a block. (A miner with the aim to harm others could withhold the block, thereby preventing anybody from getting paid. He can NOT redirect the payout to himself.) The remaining 99.5% is distributed evenly to miners based on work done recently.
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May 20, 2017, 07:13:26 AM
 #15389

This seems like yet another example of people not understanding what we are actually doing. Shocked
No, I thought it was the former, but it had me questioning a bit. Technically the scenario of paying more for bigger shares would not be logical as the guy/gal/dog who submits the winning share would get a larger percentage of the proverbial pie.

I don't understand every nuance, my specialty is hacking and fixing the mining hardware. That I'm good at :-)

Technically, the guy/gal/dog who submits the winning share DOES get the larger percentage of the proverbial pie, or at least used to, in the form of a 0.5% incentive. I don't know if that's still coded in or not though.

From the P2Pool Wiki: A subsidy of 0.5% is sent to the node that solved the block in order to discourage not sharing solutions that qualify as a block. (A miner with the aim to harm others could withhold the block, thereby preventing anybody from getting paid. He can NOT redirect the payout to himself.) The remaining 99.5% is distributed evenly to miners based on work done recently.

so that it need waiting around 13 days to payout huh?(◕‿◕)

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May 20, 2017, 08:47:40 PM
 #15390

Hello,

I'm still trying to understand how P2Pool works. How do I find a list of P2Pool servers? The idea is that I make a node and connect to a server, right? I can't quite visualize how all of this works, despite looking on Google for information visualizations. The image I saw on the Bitcoin wiki didn't make much sense, seemed too technical.

There are multiple servers, right?

Is there like one main server? Or do a bunch of nodes together make the server?

I read and read but it doesn't stick/make-sense. So, hopefully, I can talk to people about this.
in2tactics
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May 20, 2017, 10:39:56 PM
 #15391

Hello,

I'm still trying to understand how P2Pool works. How do I find a list of P2Pool servers? The idea is that I make a node and connect to a server, right? I can't quite visualize how all of this works, despite looking on Google for information visualizations. The image I saw on the Bitcoin wiki didn't make much sense, seemed too technical.

There are multiple servers, right?

Is there like one main server? Or do a bunch of nodes together make the server?

I read and read but it doesn't stick/make-sense. So, hopefully, I can talk to people about this.
Each node is its own pool. p2pool is a collection of pools. You can either make your own node or use another.

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frodocooper
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May 21, 2017, 12:12:51 AM
 #15392

I'm still trying to understand how P2Pool works. How do I find a list of P2Pool servers? The idea is that I make a node and connect to a server, right? I can't quite visualize how all of this works, despite looking on Google for information visualizations. The image I saw on the Bitcoin wiki didn't make much sense, seemed too technical.

This P2Pool guide should be able to help. It's a lot more beginner-friendly than the Bitcoin wiki's article.
And here is an up-to-date list of public P2Pool nodes that you can connect your miners to, if you decide to not run your own P2Pool node.

There are multiple servers, right?

Yes, in a sense. There are multiple P2Pool nodes, and all of them make up the P2Pool network. It is very similar to how the Bitcoin network works, where multiple Bitcoin full nodes make up the Bitcoin network.

Is there like one main server? Or do a bunch of nodes together make the server?

P2Pool is a decentralized pool, similar to how Bitcoin is a decentralized network. There is therefore no main or central server, nor nodes that make up a main or central server. There is only the network of P2Pool nodes.

In other words, try to look at it according to what in2tactics said: each P2Pool node is its own pool. The P2Pool network connects these nodes together through the P2Pool sharechain, similar to how the Bitcoin network connects every Bitcoin full node together through the Bitcoin blockchain. P2Pool can therefore also be described as a collection of solo miners that pool block payouts and distribute them accordingly, since each P2Pool node is essentially doing its own thing. Contrast this to a traditional pool, where the central pool server dictates what its miners do.
jtoomim
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May 21, 2017, 09:28:23 PM
 #15393

Quick reminder: the jtoomimnet 1mb_hardforked branch of p2pool uses about 2x as much RAM, since the share chain contains around 2x as many transactions. If you are using pypy, this means that your memory consumption may get up to 6 GB. If you're using CPython, it's a little under 1 GB. Please make sure that you have enough RAM in your nodes. If you don't have enough RAM, you will get massive swapping, and you might notice that bitcoind is unable to keep up with blocks and may fall behind, causing p2pool to stop working.

Lowering RAM usage is my next goal for p2pool.

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tubexc
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May 21, 2017, 11:41:22 PM
 #15394

Quick reminder: the jtoomimnet 1mb_hardforked branch of p2pool uses about 2x as much RAM, since the share chain contains around 2x as many transactions. If you are using pypy, this means that your memory consumption may get up to 6 GB. If you're using CPython, it's a little under 1 GB. Please make sure that you have enough RAM in your nodes. If you don't have enough RAM, you will get massive swapping, and you might notice that bitcoind is unable to keep up with blocks and may fall behind, causing p2pool to stop working.

Lowering RAM usage is my next goal for p2pool.
That's good.
And what about the p2pool ltc node testing and then the
merge into only one p2pool powerfull bitcoin sharechain?
jtoomim
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May 22, 2017, 04:27:32 AM
 #15395

And what about the p2pool ltc node testing
LTC now requires SegWit, which requires veqtrus's PR. It would take some more work to get LTC working with both my code and veqtrus's. It would need to be a different alt for testing.

At the moment, I'm more interested in the memory issues and the share size issues than in doing testing and merging. I'd also like to add some code that checks the system clock against NTP (when reachable) at startup in order to reduce the clock offset issues that people have been having, and I think that might be good to do before merging into p2pool master.

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May 22, 2017, 07:55:32 PM
 #15396

I'd also like to add some code that checks the system clock against NTP (when reachable) at startup in order to reduce the clock offset issues

use a preformated NTP list : http://www.prunoqi.com/~probruno/WORD/Liste%20des%20serveurs%20de%20temps%20SNTP%20disponibles%20sur%20Internet.htm
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May 25, 2017, 10:17:27 PM
 #15397

Queue the block dance guy ......
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May 26, 2017, 10:37:50 AM
 #15398

Empty block by jtoomimnet. Sad
in2tactics
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May 26, 2017, 12:30:29 PM
 #15399

Empty block by jtoomimnet. Sad
Well, there was only 24 seconds between block 468172 and 468173.

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May 26, 2017, 01:01:30 PM
 #15400

Empty block by jtoomimnet. Sad
Well, there was only 24 seconds between block 468172 and 468173.

With 110 MB of transactions waiting in the Bitcoin mempool during that time. jtoomimnet should've been able to fill its transaction cache back up to capacity with the share that found block 468173, but apparently did not.
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