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Author Topic: [1500 TH] p2pool: Decentralized, DoS-resistant, Hop-Proof pool  (Read 2032401 times)
notbatman
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November 29, 2015, 02:06:50 PM
 #13861

This --merged mining sure brings back memories, ah yes December 2013; freshly minted Unobtanium with my block eruptors and I had just received a Christmas E-Card from the Romanian criminals at Black Arrow LTD. Oh yes, everything was looking up, Bitcoin was headed to $1000+ and my pre-order would be arriving shortly or so I believed...

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sawa
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November 30, 2015, 11:48:07 PM
 #13862

I often see these messages in different nodes:
Code:
Unhandled Error
Traceback (most recent call last):
  File "/usr/local/lib/pypy2.7/dist-packages/twisted/internet/defer.py", line 501, in _startRunCallbacks
    self._runCallbacks()
  File "/usr/local/lib/pypy2.7/dist-packages/twisted/internet/defer.py", line 588, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "/opt/p2pool-btc/p2pool/util/deferral.py", line 256, in gotResult
    it(res2)
  File "/opt/p2pool-btc/p2pool/util/deferral.py", line 233, in it
    res = gen.send(cur) # external code is run here
--- <exception caught here> ---
  File "/opt/p2pool-btc/p2pool/util/deferral.py", line 284, in _worker
    self.func(*self.args, **self.kwargs)
  File "/opt/p2pool-btc/p2pool/util/expiring_dict.py", line 109, in <lambda>
    self._expire_loop = expire_loop = deferral.RobustLoopingCall(lambda: self_ref().expire())
exceptions.AttributeError: 'NoneType' object has no attribute 'expire'
What does it mean?

TTravis
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December 03, 2015, 06:03:30 AM
 #13863

Man, this is tough sledding.  I've gotta pay some bills.  Where did everyone go?  I feel left behind.
squidicuz
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December 03, 2015, 07:40:46 AM
 #13864

We need more power.
wariner
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December 03, 2015, 08:03:54 AM
 #13865

Man, this is tough sledding.  I've gotta pay some bills.  Where did everyone go?  I feel left behind.

NEW BLOCK  (bip 101) Wink

P2Pool.cloud - Public Node P2Pool EU/AMERICA Bitcoin 0% fee ITA - ENG

my BTC: 1KiMpRAWscBvhRgLs8jDnqrZEKJzt3Ypfi
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December 03, 2015, 09:44:31 AM
 #13866

We need more power.

i donated 0.05BTC to P2Pool miners for incentive Wink https://www.blocktrail.com/BTC/tx/da690d7362d27ed0c63fc1e261f858014afec6d743d2a834168fff5577e71f12

P2Pool.cloud - Public Node P2Pool EU/AMERICA Bitcoin 0% fee ITA - ENG

my BTC: 1KiMpRAWscBvhRgLs8jDnqrZEKJzt3Ypfi
sawa
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December 03, 2015, 02:01:47 PM
 #13867


It is unlikely that donat will help.
I think how can we attract miners to p2pool.
The best way to attract is only by increasing p2pol's hashrate. With the increase of hashrate will increase the frequency of receiving blocks.
Maybe we should hold an action in support of decentralized mining at least for a few hours to support p2pool.
At the certain time, arrange to use all possible power of those who agree.
And bring the information about the campaign to all crypto forums.
If the action is successful then p2pool by increasing capacity needs to get a few blocks in a row.
According to the results of the action you can make a conclusion whether p2pool is necessary at all.

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December 03, 2015, 02:21:01 PM
 #13868


Thanks! First donation I've seen in a while Smiley

It has been a tough couple months for P2Pool, but the 1 thing I know about luck is that it's bound to change Wink

On a side note, the Chain Query full beta went live yesterday, I'll be starting to upgrade the backend for Coin Cadence, it will take a while, but we will get there.

p3yot33at3r
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December 03, 2015, 02:23:29 PM
 #13869


Thanks for the donation - very kind of you  Smiley

Yup, these baron periods are a killer, but every pool suffers from them. A few quick blocks will have everyone smiling again  Wink

I was thinking, maybe an altcoin tuned for p2pool (P2Pcoin?) would help promote p2pool? There are some very good clients that could be forked & tuned for best results with p2pool, but I particularly like the WLC client with it's demurrage features - maybe this could be changed slightly into creating a "pot" for future development as well as used for donations to forrestv?

Just a thought......
jonnybravo0311
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December 03, 2015, 02:28:33 PM
 #13870

Rav3n's fork has support for a boatload of alt coins.

Adding more hash to p2pool is a double-edged sword.  Yes, it means more blocks.  However, it also means higher share difficulty and higher variance for miners - especially noticeable the lower hash rate you have as a miner.  Many pages of this thread have been dedicated to that very discussion 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.
p3yot33at3r
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December 03, 2015, 02:33:44 PM
 #13871

Rav3n's fork has support for a boatload of alt coins.

Adding more hash to p2pool is a double-edged sword.  Yes, it means more blocks.  However, it also means higher share difficulty and higher variance for miners - especially noticeable the lower hash rate you have as a miner.  Many pages of this thread have been dedicated to that very discussion Smiley

Yeah, I use rav's fork for other coins now & then. I meant an actual p2pool coin that not only helps promote p2pool, but also has the capability to reserve some much needed funds for future development/problem solving. Sort of killing 2 birds with 1 stone, so to speak - promotion + funding......
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December 03, 2015, 04:06:35 PM
 #13872

I am just a newbie here, but there are many others like me.

I know it's easier said than done, but I would like to make a couple comments about my experience as a newbie on p2pool.

First of all p2pool was not all that easy for me to get going.  It took me a couple attempts and some help from this board.  We need a "official" set of instructions for setting up p2pool on Windows, Mac, and Linux.  I tried to follow what was out there and kept getting hung up when I tried to run "make" which turned out not to be necessary.  I still don't know what "make" is all about.

I sense that there are a lot of die hard old timers here who run older equipment mostly as a hobby.  That is all good, but I am a newer user with newer equipment and was disappointed to see that there are problems with my S5's and S7's.  I put a bunch of s5's on here only to see my hash rate decline to roughly half.  I am selling off my s5's for s7's and would not be excited about them running only half or three quarter potential speed.  My problem is that the firmware for the S5 took some asking around to find, and it still does not exist for the S7.  My question is how do we attract people to p2pool without making it SIMPLE for guys like me to jump in with our new equipment?

If we want p2pool to grow, we gotta make firmware for the S7, which is basically all the new hardware being sold these days, especially to individuals.

I understand the luck thing, but it is a big rat race out there and the prize goes to the pools with the best performance.  After going back and reading all the comments here over the past year or so, I think there is much room for improvements in p2pool itself.  I plan to spend the next few weeks learning what I can and looking into it.  I will have lots of questions, so please don't consider me to be a pain.

My next move will be to get a book on GIT and learn what that is all about.  I started programming long before GIT and the open source stuff came along.  This old dog needs to learn to git along with the young dogs.  I then plan to brush up on python and probably "c".  I want to get comfortable doing what Kano and the others do where they grab the main version of ckminer, tweek it to our needs, and then turn it into a modified firmware for an Antminer.  I usually learn just enough about these things to become dangerous, but it should not be necessary for a newbie to learn anything at all if p2pool is to grow.

Tom Travis

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December 03, 2015, 04:07:18 PM
 #13873


I was thinking, maybe an altcoin tuned for p2pool (P2Pcoin?) would help promote p2pool? There are some very good clients that could be forked & tuned for best results with p2pool, but I particularly like the WLC client with it's demurrage features - maybe this could be changed slightly into creating a "pot" for future development as well as used for donations to forrestv?

Just a thought......

Interesting. Perhaps with some kind of share reward? I don't think it would gain much traction but it could be fun enough.

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squidicuz
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December 03, 2015, 04:26:52 PM
 #13874

If we want p2pool to grow, we gotta make firmware for the S7, which is basically all the new hardware being sold these days, especially to individuals.
I am using the S7 and haven't had many issue with running it on p2pool.  All that was needed was to adjust the queue size.

If you want to hang around IRC there are a few of us there usually, we can work on fixing up some of the documentation around if possible.
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December 04, 2015, 05:49:29 AM
 #13875

I am using the S7 and haven't had many issue with running it on p2pool.  All that was needed was to adjust the queue size.

If you want to hang around IRC there are a few of us there usually, we can work on fixing up some of the documentation around if possible.

The problem it's cgminer bitmain version, please read https://bitcointalk.org/index.php?topic=18313.msg13056325#msg13056325


I believe can help. I would like to make another donation when we reach 2 Ph/s and if we advertise this might help.... do not you think?

I know it's easier said than done, but I would like to make a couple comments about my experience as a newbie on p2pool......

For firmware: http://ck.kolivas.org/apps/cgminer/antminer/

For the problems of beginners, or for simplicity, you can use one public node  Wink

I believe at this time that the only thing that could help most is this:

Maybe it's time  for develpers to join and modify and adapt it for the new ASICs? Perhaps it's needed to rewrite it on C, as in Python it loads only one core and often on 100%
We need creative solutions, or this topic can be closed and we should stop our nodes and move to antpool, f2pool and etc.

P2Pool.cloud - Public Node P2Pool EU/AMERICA Bitcoin 0% fee ITA - ENG

my BTC: 1KiMpRAWscBvhRgLs8jDnqrZEKJzt3Ypfi
p3yot33at3r
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December 04, 2015, 01:53:59 PM
 #13876

Another BLOCK  Smiley

Two blocks in 24 hours - nice - & both with less than 1 Ph.....not bad at all.
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December 04, 2015, 02:10:03 PM
 #13877

Another BLOCK  Smiley

Another EMPTY BLOCK  Sad

p3yot33at3r
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December 04, 2015, 02:29:07 PM
 #13878

Another BLOCK  Smiley

Another EMPTY BLOCK  Sad

Yeah, I just noticed that - bummer. Still, at least we know that it wasn't done deliberately - unlike certain other pools I could mention...... Wink
notbatman
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December 04, 2015, 03:26:19 PM
 #13879

Another BLOCK  Smiley

Another EMPTY BLOCK  Sad

Yeah, I just noticed that - bummer. Still, at least we know that it wasn't done deliberately - unlike certain other pools I could mention...... Wink

Somebody made the point (GM I think) that even empty blocks help secure the blockchain. I don't see it as a big concern as they're missing out on BTC that some miner will pocket.
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December 04, 2015, 03:26:31 PM
 #13880

Another BLOCK  Smiley

Another EMPTY BLOCK  Sad

Yeah, I just noticed that - bummer. Still, at least we know that it wasn't done deliberately - unlike certain other pools I could mention...... Wink

Well, it may have been deliberate, and actually looks like it was (10 minutes after previous block, plenty of time to refill mempool).... Also noticed it's a version 3 block....

https://chainquery.com/bitcoin-api/getblock/00000000000000000842de6ff4793f59ab08139a253f7e5622926f9d470c1ae9/true

The thing that some folks don't realize when mining on P2Pool is that we have VERY few orphaned blocks because the P2Pool network acts as it's own relay. Each P2Pool node that sees a block submission broadcasts it to other P2Pool nodes, which in tern broadcast it to the bitcoin network.

As a result block propagation for P2Pool is much faster then a regular pool.

The only real benefit is that GBT latency with an empty mempool is slightly improved.

Not worth it in my opinion...

Even with the load on my public server I still set a max block size of 750kb, has not slowed it down at all.

TLDR; if you found that block please include transactions in the future. Its good for the network, negligibly decreases your efficiency, and we all earn a little more Smiley

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