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Author Topic: [1500 TH] p2pool: Decentralized, DoS-resistant, Hop-Proof pool  (Read 2031546 times)
wtogami
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April 09, 2013, 08:02:28 PM
 #4901

I'm running a small GPU on p2pool (V 11.2) for mining LTC at around 145 kh/s with cgminer (V 2.11.4).  Everything seems to be working but I noticed that instead of the usual 3 shares/minute on BTC mining, I'm getting about 120 shares/minute with LTC.  Basically the shares are flying past.

Is there a way to increase the share difficulty my miner sees to slow this down?

You have 120 shares/min because p2pool-11.2 is broken for LTC stratum.  Upgrade to p2pool git.

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April 09, 2013, 09:00:38 PM
 #4902

I've tried modifying the difficulty using this "username/xxxx+yyyy" syntax but it doesn't seem to have any effect.

All I wanted to do was reduce my share solution rate by about 1/40 of what it is right now.  I'm looking at the "u: xxx/m" field in cgminer to determine this.  It's currently showing about 120/m.
Ok... change the username being passed to p2pool.

adding "/1000" would change the minimum share difficulty you're trying to find, to diff 1000 shares. This option would be the one to slow down how fast you're finding shares. Since payouts take the target difficulty into account, finding fewer high-diff shares would pay out the same as many low-diff shares.

So, say with LTC right now, you're seeing "Share difficulty: 0.640942", and you add "/2.5" to the end of your username, you should start seeing the 'new work for worker!' lines listing your "Share difficulty: 2.500000"... if the pool diff goes higher than that, then you'll follow the pool diff, so it is whichever is higher.

adding "+0.01" would change the other difficulty. Your new work for worker is showing "Difficulty: 0.000009" for example. This is the level of work your miner is sending back to p2pool for speed calculations. If you add "+0.01" to your username, then p2pool will be asking for 0.01 diff shares back for speed stuff, instead of the dynamic one it sends.

Both of those can be used independently.

Also, there is a cap on the + that p2pool will use. I forget exactly how much, but if you set it too high, p2pool will ask for its own maximum from the miner, based on what the Share diff is at the time you start mining. This isn't much of an issue, you'd still be using a much higher miner diff than before.

Using + is _not_ a mathematical operation like the person a few posts above suggested. "+" is just a flag, same as "/", for p2pool to look for to parse out the number being passed to it, so don't use + or / in your username unless you are intending to use the options.

So...
 "/####" is target share difficulty
"+####" is target miner difficulty

Lemme know how they work out for you now.

-- Smoov


Pretty sure 2000 is the max in the source.  I generated some 30000 difficulty share or so by modifying source.  The limit should probably be increased

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).
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April 09, 2013, 09:10:31 PM
 #4903

I'm running a small GPU on p2pool (V 11.2) for mining LTC at around 145 kh/s with cgminer (V 2.11.4).  Everything seems to be working but I noticed that instead of the usual 3 shares/minute on BTC mining, I'm getting about 120 shares/minute with LTC.  Basically the shares are flying past.

Is there a way to increase the share difficulty my miner sees to slow this down?

You have 120 shares/min because p2pool-11.2 is broken for LTC stratum.  Upgrade to p2pool git.

Ahhhh, so that's a change beyond 11.2?  I'll update my node when I get home and try that.

You are in a maze of twisty little passages, all alike.
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April 09, 2013, 11:58:52 PM
 #4904

I did another git clone and got the latest version and it seems to work much better.  I'm getting about 50/min now

I was having problems where cgminer would be mining away happily except I wasn't earning any LTC any more (like today).  I'll find out in a few hours if this was fixed too.  Was there a LTC hard fork I didn't know about?

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April 10, 2013, 02:57:52 PM
 #4905

OK, I don't really know much about the behind-the-scenes for mining. Are we waiting for something to happen with this one?

http://blockexplorer.com/block/000000000000016e5c3b2f821f961f95fc2d08b75d5e681cd2282e85f748cf53

Also, it looks like my previous problems with p2pool synching may have been related to bitcoind eating up all my upstream bandwidth. Apparently it hadn't been an issue with any of my other stuff because I don't usually run bitcoind. I'll be re-enabling QOS and dropping 8333 in the "almost zero bandwidth" bucket.

Though I'm glad it got me to switch to CGMiner. I think it let me coax an extra 100MH/s out of my setup.

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April 10, 2013, 06:08:05 PM
 #4906

Still giving block not found. Does that mean it is not going to pay out?

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April 10, 2013, 07:07:18 PM
 #4907

P2Pool release 11.3 hash: 896c9ed4357bd8b986457b1da42b8a7bc7e7617d

Windows binary: http://u.forre.st/u/drxlzowj/p2pool_win32_11.3.zip
Windows binary signature: http://u.forre.st/u/mghtodti/p2pool_win32_11.3.zip.sig
Source zipball: https://github.com/forrestv/p2pool/zipball/11.3
Source tarball: https://github.com/forrestv/p2pool/tarball/11.3

Changes:
* Fixed bugs with Litecoin Stratum support difficulty handling

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April 10, 2013, 10:50:49 PM
 #4908

Still giving block not found. Does that mean it is not going to pay out?

from looking at my logs on nogleg,

the p2pool block was received 4 seconds after the btc guild block (14:25:22)

it got orphaned

(ed: fixed repeating myself)

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).
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April 11, 2013, 09:11:28 AM
 #4909

HELP:

I was a previous user of p2pool with no problems for months; i used it on bitcoin as well as litecoin and terracoin;

I did  afresh re-install of windows re-downloaded and set-up my coins and p2pool etc.

P2pool launches with no error and connects to the network.

When i launch my  miner to connect it connects and finds the p2pool network but results in this error and no shares are submitted. please help!!!

http://i50.tinypic.com/2n6t93l.png

Thank you for the help!!

This error shows when P2pool cannot connect to bitcoind, i.e. you don't have bitcoin running, or your firewall / virus program refused to allow p2pool to talk to bitcoind...  or you forgot to set JSON name/pass, re-view p2pool setup instructions.

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April 11, 2013, 10:34:54 AM
 #4910

Dear P2pool TRC miners, PLEASE UPADTE TRC CLINET up to 30 or current GIT!
Network is forked, current proper number of blocks is over 102`000!

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April 11, 2013, 11:19:31 AM
 #4911

hey guys, just started mining on the litefcoin p2pool and its great!

question though, I'm trying to connect to 127.0.0.1:9332/something, I login and it spits out this json error.

{"result":null,"error":{"code":-32700,"message":"Parse error"},"id":null}

thats the only thing that shows up on the screen, am I missing something?

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April 11, 2013, 12:07:32 PM
 #4912

hey guys, just started mining on the litefcoin p2pool and its great!

question though, I'm trying to connect to 127.0.0.1:9332/something, I login and it spits out this json error.

{"result":null,"error":{"code":-32700,"message":"Parse error"},"id":null}

thats the only thing that shows up on the screen, am I missing something?
The litecoin p2pool network listens on port 9327, not 9332.

-- Smoov
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April 11, 2013, 12:22:44 PM
 #4913

HELP:

I was a previous user of p2pool with no problems for months; i used it on bitcoin as well as litecoin and terracoin;

I did  afresh re-install of windows re-downloaded and set-up my coins and p2pool etc.

P2pool launches with no error and connects to the network.

When i launch my  miner to connect it connects and finds the p2pool network but results in this error and no shares are submitted. please help!!!



Thank you for the help!!
[/quote

Using the latest release will fix this.

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April 11, 2013, 06:57:56 PM
 #4914

Is there any way to add a list of black/whitelisted IPs that can access the p2pool web interface? I know you can do it with a firewall, but i'm asking about native support. Is there any compromising info listed on that page were an untrusted party to have access to the UI?
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April 11, 2013, 08:18:43 PM
 #4915

Is there any way to add a list of black/whitelisted IPs that can access the p2pool web interface? I know you can do it with a firewall, but i'm asking about native support. Is there any compromising info listed on that page were an untrusted party to have access to the UI?

There's not much. Arguably, it displays your public key which could be a way to tie your account to your IP and other activities. It should really only bind to localhost by default. Then, optionally, it should have a whitelist and/or require authentication. Also, it would be a good idea if it had yet another step required if it was being accessed from a public IP rather than a private one.

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April 11, 2013, 08:39:18 PM
 #4916

Is there any way to add a list of black/whitelisted IPs that can access the p2pool web interface? I know you can do it with a firewall, but i'm asking about native support. Is there any compromising info listed on that page were an untrusted party to have access to the UI?

There's not much. Arguably, it displays your public key which could be a way to tie your account to your IP and other activities. It should really only bind to localhost by default. Then, optionally, it should have a whitelist and/or require authentication. Also, it would be a good idea if it had yet another step required if it was being accessed from a public IP rather than a private one.
Are there any commands I can use to do this? I'd love to set up a user/pass system for the web UI.
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April 11, 2013, 08:58:17 PM
 #4917

This one looks likely:

Quote
-w PORT or ADDR:PORT, --worker-port PORT or ADDR:PORT
                        listen on PORT on interface with ADDR for RPC
                        connections from miners (default: all interfaces,
                        bitcoin:9332, litecoin:9327, terracoin:9322)

Use localhost:9332 but make sure not to lock your miner out. If you are on Windows, you can use Windows Firewall to restrict things somewhat and on Linux, you can use iptables to do all sorts of magic.

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April 12, 2013, 04:16:08 AM
 #4918

This one looks likely:

Quote
-w PORT or ADDR:PORT, --worker-port PORT or ADDR:PORT
                        listen on PORT on interface with ADDR for RPC
                        connections from miners (default: all interfaces,
                        bitcoin:9332, litecoin:9327, terracoin:9322)

Use localhost:9332 but make sure not to lock your miner out. If you are on Windows, you can use Windows Firewall to restrict things somewhat and on Linux, you can use iptables to do all sorts of magic.
This only changes the port and locks the UI to a specific adapter. For example, I'd like to bind it to my Hamachi IP so I can access the page through my laptop when I'm away. But I can't stop everyone else on the network from peeking.
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April 12, 2013, 07:06:04 AM
 #4919

This one looks likely:

Quote
-w PORT or ADDR:PORT, --worker-port PORT or ADDR:PORT
                        listen on PORT on interface with ADDR for RPC
                        connections from miners (default: all interfaces,
                        bitcoin:9332, litecoin:9327, terracoin:9322)

Use localhost:9332 but make sure not to lock your miner out. If you are on Windows, you can use Windows Firewall to restrict things somewhat and on Linux, you can use iptables to do all sorts of magic.
This only changes the port and locks the UI to a specific adapter. For example, I'd like to bind it to my Hamachi IP so I can access the page through my laptop when I'm away. But I can't stop everyone else on the network from peeking.

If you bind to localhost, you can use SSHD or similar to provide access.

If I knew more Python, I'd probably be up for putting basic authentication in myself. How are the maintainers about accepting patches with this one?

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April 12, 2013, 08:30:43 AM
 #4920

Dear P2pool TRC miners:
Code:
1Cs5ZKBExgufTx2L6Rg5VNSuV7y4JguAHh
1Px7RGTTWPgSDfwBHC8iAGKH8orCF8wGFA
12J4TH1u9MBhbArWVwoGZBdASSP5EtnYMw
13jAyKvLj6W6LbyJjVwsLb4ZxFei7bVoH8
1AbSWqLYpywnbqdhrQ9UYpRK2dq6fSGmg6
Node that are you mining for have OUTDATED TRC daemon!
PLS update it or mine on another node.
You all are minig for broken TRC fork.
It is TRC block 103xxx not 100xxx

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