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Author Topic: [1500 TH] p2pool: Decentralized, DoS-resistant, Hop-Proof pool  (Read 2032376 times)
kano
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April 18, 2015, 06:44:23 AM
 #12461

Does that include (as I said above)
The valid stale blocks?
Most of the stale share-chain shares?

The pool by design has a much higher stale rate ... MUCH higher.
That doesn't mean the work wasn't done to find the blocks.
The stale shares are usually ignored on a normal pool since they are usually under 0.5% - even as low as 0.2%
Here on p2pool they are of the order of 10%
So effectively you would be ignoring 20 to 50 times the stale shares as a normal pool - so that would falsely skew luck higher for p2pool.
Then to make things even worse, the blocks found for those stale ignored shares are accounted to p2pool as extra blocks ...

So yeah you need to include both of those to produce anything that's not a false representation of p2pool luck.

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Geremia
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April 18, 2015, 07:43:01 AM
 #12462

`cgminer` says my difficulty with P2Pool is 715 and 746 for my two identical miners, respectively. Mining with Eligius, my difficulty seems to be in increments of powers of two (either 512 or 1024 for my miners). It thus seems P2Pool allows a much finer resolution on the local miners' difficulties. Why is this?

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April 18, 2015, 07:45:59 AM
 #12463

`cgminer` says my difficulty with P2Pool is 715 and 746 for my two identical miners, respectively. Mining with Eligius, my difficulty seems to be in increments of powers of two (either 512 or 1024 for my miners). It thus seems P2Pool allows a much finer resolution on the local miners' difficulties. Why is this?
There's nothing "fine" about it. It's a coding decision to set the share submission rate closer to 60 than 20 (like regular pools use), and p2pool's diff is meaningless apart from providing you with an estimated hashrate.

See: https://bitcointalk.org/index.php?topic=274023.0

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April 18, 2015, 10:29:53 AM
 #12464

Does P2Pool support IPv6?

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April 18, 2015, 04:17:52 PM
 #12465


Great.  A Block!   I also sent some BTC using sendmany.  Let's hope for some good luck! 

https://blockchain.info/tx/cf1207fdf10be1d86db56f89b8155250f0b1269d8ec321fd1203716739816f67


idonothave
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April 18, 2015, 04:33:52 PM
 #12466


Great.  A Block!   I also sent some BTC using sendmany.  Let's hope for some good luck! 

https://blockchain.info/tx/cf1207fdf10be1d86db56f89b8155250f0b1269d8ec321fd1203716739816f67


well done
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April 18, 2015, 04:51:25 PM
 #12467

Finally! \o/
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April 18, 2015, 05:55:21 PM
 #12468

Great.  A Block!   I also sent some BTC using sendmany.
Thank you for the 0.39755 mBTC! SmileyAlthough the block only has 2 transactions… I suppose that's better than the previous block, which only had 1 (the coinbase one)…

I just joined P2Pool on 4/5/15 and am pretty pleased.

How do we determine the address corresponding to the person in the P2Pool who actually mined this block so we can thank him/her directly? Smiley

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jonnybravo0311
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April 18, 2015, 07:10:18 PM
 #12469

Great.  A Block!   I also sent some BTC using sendmany.
Thank you for the 0.39755 mBTC! SmileyAlthough the block only has 2 transactions… I suppose that's better than the previous block, which only had 1 (the coinbase one)…

I just joined P2Pool on 4/5/15 and am pretty pleased.

How do we determine the address corresponding to the person in the P2Pool who actually mined this block so we can thank him/her directly? Smiley
In cases like this last block, you cannot because the share that solved the block was either DOA or orphaned - so it didn't make it onto the p2pool share chain, and hence there's no record of the share itself.  However, if the share that solves the block does make it onto the share chain, then you can see the payout address of the share (I'm just taking a random share here and not one that solved a block):
Code:
Share data

Timestamp: Sat Apr 18 2015 14:58:23 GMT-0400 (EDT) (1429383503)

Difficulty: 2852459.6919484762

Minimum difficulty: 2852459.6919484762

Payout address: 1Mag5XQcm81yP3rz8qJvXbU1KSWypKmPur

Jonny's Pool - Mine with us and help us grow!  Support a pool that supports Bitcoin, not a hardware manufacturer's pockets!  No SPV cheats.  No empty blocks.
kano
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April 18, 2015, 07:18:03 PM
 #12470

Great.  A Block!   I also sent some BTC using sendmany.
Thank you for the 0.39755 mBTC! SmileyAlthough the block only has 2 transactions… I suppose that's better than the previous block, which only had 1 (the coinbase one)…

I just joined P2Pool on 4/5/15 and am pretty pleased.

How do we determine the address corresponding to the person in the P2Pool who actually mined this block so we can thank him/her directly? Smiley
No, it had lots of transactions.
If it only had 1 transaction it would be pretty much as bad for bitcoin as the last one.

As for thanking them ... well it is completely random finding a block ... and they get thanked by getting a block finder reward by getting a small % of everyone's expected payout from everyone mining on p2pool Smiley

Pool: https://kano.is BTC: 1KanoiBupPiZfkwqB7rfLXAzPnoTshAVmb
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Geremia
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April 18, 2015, 07:25:42 PM
 #12471

In cases like this last block, you cannot because the share that solved the block was either DOA or orphaned - so it didn't make it onto the p2pool share chain, and hence there's no record of the share itself.
That's interesting. I suppose wouldn't be necessary to make it to the P2Pool chain; that'd just slow down the announcement of the found block?

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jonnybravo0311
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April 18, 2015, 07:27:57 PM
 #12472

Great.  A Block!   I also sent some BTC using sendmany.
Thank you for the 0.39755 mBTC! SmileyAlthough the block only has 2 transactions… I suppose that's better than the previous block, which only had 1 (the coinbase one)…

I just joined P2Pool on 4/5/15 and am pretty pleased.

How do we determine the address corresponding to the person in the P2Pool who actually mined this block so we can thank him/her directly? Smiley
No, it had lots of transactions.
If it only had 1 transaction it would be pretty much as bad for bitcoin as the last one.

As for thanking them ... well it is completely random finding a block ... and they get thanked by getting a block finder reward by getting a small % of everyone's expected payout from everyone mining on p2pool Smiley
You looking at something different than I am?  Last block found by p2pool was 352654, and that block had only 2 transactions, of which the generation transaction was one... so it's almost just as bad as the last one Smiley

Jonny's Pool - Mine with us and help us grow!  Support a pool that supports Bitcoin, not a hardware manufacturer's pockets!  No SPV cheats.  No empty blocks.
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April 18, 2015, 07:32:12 PM
 #12473

In cases like this last block, you cannot because the share that solved the block was either DOA or orphaned - so it didn't make it onto the p2pool share chain, and hence there's no record of the share itself.
That's interesting. I suppose wouldn't be necessary to make it to the P2Pool chain; that'd just slow down the announcement of the found block?
No.  P2Pool tracks shares, which is how it determines what each miner will be paid when one of those shares is also the solution of the block.  In the case of orphaned shares, you add a share to the chain, but a longer chain has already been accepted by the network.  Therefore, your share is not added to the share chain and is orphaned.  However, because your share also solved the block of Bitcoin, the new block is created and added to the blockchain.  Miners are paid (because the generation transaction information is part of the block), but the share itself is not recognized by p2pool.  That's why virtually every single p2pool UI out there doesn't show this block - they all base block finds off of accepted p2pool share chain shares.  The exception is windpath's node - he scrapes the blockchain data to get the p2pool blocks regardless of whether the share that solved it is on the p2pool share chain.

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April 18, 2015, 07:41:51 PM
 #12474

The exception is windpath's node - he scrapes the blockchain data to get the p2pool blocks regardless of whether the share that solved it is on the p2pool share chain.
Where's windpath's node?

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April 18, 2015, 08:42:39 PM
 #12475

The exception is windpath's node - he scrapes the blockchain data to get the p2pool blocks regardless of whether the share that solved it is on the p2pool share chain.
Where's windpath's node?
http://minefast.coincadence.com

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kano
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April 18, 2015, 09:39:08 PM
 #12476

Great.  A Block!   I also sent some BTC using sendmany.
Thank you for the 0.39755 mBTC! SmileyAlthough the block only has 2 transactions… I suppose that's better than the previous block, which only had 1 (the coinbase one)…

I just joined P2Pool on 4/5/15 and am pretty pleased.

How do we determine the address corresponding to the person in the P2Pool who actually mined this block so we can thank him/her directly? Smiley
No, it had lots of transactions.
If it only had 1 transaction it would be pretty much as bad for bitcoin as the last one.

As for thanking them ... well it is completely random finding a block ... and they get thanked by getting a block finder reward by getting a small % of everyone's expected payout from everyone mining on p2pool Smiley
You looking at something different than I am?  Last block found by p2pool was 352654, and that block had only 2 transactions, of which the generation transaction was one... so it's almost just as bad as the last one Smiley
I was (incorrectly) looking at that one linked.
I didn't actually check the list of p2pool blocks.
Though, if p2pool starts regularly making tiny blocks, it would lose it's whole "Good for Bitcoin" stand and be worse for bitcoin than the few good pools that don't do that Smiley https://kano.is/ ... as an example Smiley

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jonnybravo0311
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April 19, 2015, 12:05:22 AM
 #12477

Ahh... I was thinking I wasn't seeing it right Smiley

By the way, I've certainly mined in your pool.  Currently my gear is on MRR and has been rented pretty much non-stop.  When it's not rented its pointed to ck's solo pool.  The only gear I've got on p2pool any more are 2 S3s that have been running the long-term test on OgNasty's node.

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kano
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April 19, 2015, 12:10:38 AM
 #12478

Ahh... I was thinking I wasn't seeing it right Smiley

By the way, I've certainly mined in your pool.  Currently my gear is on MRR and has been rented pretty much non-stop.  When it's not rented its pointed to ck's solo pool.  The only gear I've got on p2pool any more are 2 S3s that have been running the long-term test on OgNasty's pool.
He was trying to use ckpool for that at some stage.
No idea what he ended up doing.
(ckpool recently added ipv6 support so maybe that's related to his recent comment?)

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April 19, 2015, 05:50:41 AM
 #12479

Our recent block, #352722, has 579 transactions. That's better than 2 or 1!

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April 19, 2015, 06:13:27 AM
 #12480

Ahh... I was thinking I wasn't seeing it right Smiley

By the way, I've certainly mined in your pool.  Currently my gear is on MRR and has been rented pretty much non-stop.  When it's not rented its pointed to ck's solo pool.  The only gear I've got on p2pool any more are 2 S3s that have been running the long-term test on OgNasty's pool.
He was trying to use ckpool for that at some stage.
No idea what he ended up doing.
(ckpool recently added ipv6 support so maybe that's related to his recent comment?)
I'm pretty sure that it's ckpool on top of the p2pool backbone.  You connect as BTCADDRESS-PoP to the pool.  Every miner submits shares that are tracked just like they would be in a typical ckpool installation; however, they are all being pointed to a single address that mines to p2pool.  It's actually a pretty ingenious way to handle variance for the small miners on p2pool.  The only downside to it is that you're stuck on his node(s).  You can't move to another p2pool node because your miner doesn't individually submit share-chain shares.  Currently he's got two nodes running this.  One in EU and the other is on the east coast of the US.

Jonny's Pool - Mine with us and help us grow!  Support a pool that supports Bitcoin, not a hardware manufacturer's pockets!  No SPV cheats.  No empty blocks.
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