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Author Topic: [9 TH] Bitparking Pool, DGM 0%,vardiff,stratum,Merge Mining  (Read 151090 times)
davebodger
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March 17, 2013, 09:16:55 PM
 #281

Should I be aiming the proxy at a different port?
That looks fine. Is this slush's proxy? I'll download it and see if I can reproduce the issue.

Yes, Slush's proxy downloaded direct from github.

TIA.

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davebodger
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March 17, 2013, 09:18:53 PM
 #282

Should I be aiming the proxy at a different port?
That looks fine. Is this slush's proxy? I'll download it and see if I can reproduce the issue.

Yes, Slush's proxy downloaded direct from github.

TIA.


Oh, sorry, forgot to say, it's running on Windows 7 Ultimate.

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March 17, 2013, 09:25:07 PM
 #283

Oh, sorry, forgot to say, it's running on Windows 7 Ultimate.
What version of the proxy software? I just tried the git repository and it is working. Can you PM me some of the trackback (or a link to a pastebin with it) so I can see what's causing the error?
davebodger
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March 17, 2013, 11:31:31 PM
 #284

Oh, sorry, forgot to say, it's running on Windows 7 Ultimate.
What version of the proxy software? I just tried the git repository and it is working. Can you PM me some of the trackback (or a link to a pastebin with it) so I can see what's causing the error?

As they say, "you have mail".
TVM.

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doublec
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March 18, 2013, 05:11:05 AM
 #285

I've changed the default difficulty on the stratum server to 8. If this is too much for your miner don't forget you can change it as described in the original post here by setting your password to "d=x" where 'x' is the number of the difficulty.
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March 18, 2013, 10:08:29 AM
 #286

There will  be a couple of brief periods of downtime while I update to bitcoind 0.8.1 for the blockchain fork fixes. The stratum server should be down for a short period of about 60 seconds since it's already running a modified 0.8.0. The getwork server will be down for longer while it updates - the stratum server will work during this time.

Edit: Stratum server is upgraded to 0.8.1 and back up. The getwork server will be going down once the stratum server has stabalized.
Edit2: Getwork server is upgraded and back up.
doublec
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March 20, 2013, 12:35:10 PM
 #287

Merge mining is temporarily disabled. The merge mining code was putting the wrong height data in the coinbase for my version 2 blocks. This didn't use to be checked but once we hit 75% of the network producing version 2 blocks it activated. This resulted in my last 3 blocks being invalidated. I had discovered the version mismatch earlier today but thought version 2 blocks weren't activate until 95% so had some time to fix. That's what I've been working on today. Unfortunately I didn't know about the 75% switch and I ran out of time.

So merge mining is deactivated until I finish coding and testing the fix. I expect about 24-36 hours.
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March 21, 2013, 03:35:38 AM
 #288

Pool is going down for a couple of minutes to re-enable merge mining on the getwork server.

Edit: Back up and merge minining on the getwork server.
doublec
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March 21, 2013, 01:19:47 PM
 #289

I'm making progress on the merge mining support on the stratum connection. I hope to have it testing tomorrow and all going well put it live the next day. The hash rate of the pool has increased dramatically since putting in stratum support. Currently it's around 800 GH/s. It'll be good to get that hash rate working on the alt chains with merge mining. And good for the pool reserves as they're paying the alt coins out of the pool pockets at the moment.
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March 22, 2013, 04:31:27 AM
 #290

More stratum merge mining progress. I've got the code working and blocks are found on the alt chains in my testnet. I'll do some more testing over the next few hours than push to production. Not long now!
doublec
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March 22, 2013, 07:22:19 AM
 #291

Pool will have 5 minutes of downtime to install merge mining updates.

Edit: Upgrade done. Let's see if it sticks...
doublec
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March 22, 2013, 07:48:16 AM
 #292

Merge mining is enabled on stratum now so we should start seeing the hash rate of the alt coins increasing. I'll be monitoring closely the next couple of days to make sure I haven't broken anything, in particular the generation of bitcoin blocks!
doublec
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March 22, 2013, 10:15:51 AM
 #293

Oops, found a bug. The bug affects total pool statistics, not user statistics. I've fixed the cause and am now in the process of correcting pool stats. Sorry for the restarts.

Edit: Pool stats fixed. And we found a stratum bitcoin block which is a good sign that I didn't break bitcoin block generation when adding merged mining to stratum.
gr0bi42
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March 22, 2013, 05:38:42 PM
 #294

I've problem with slush's stratum proxy and your pool.

Code:
2013-03-22 18:36:25,981 INFO proxy mining_proxy.on_connect # Subscribing for mining jobs
Unhandled error in Deferred:
Unhandled Error
Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/Twisted-12.2.0-py2.7-linux-x86_64.egg/twisted/internet/defer.py", line 368, in callback
    self._startRunCallbacks(result)
  File "/usr/local/lib/python2.7/dist-packages/Twisted-12.2.0-py2.7-linux-x86_64.egg/twisted/internet/defer.py", line 464, in _startRunCallbacks
    self._runCallbacks()
  File "/usr/local/lib/python2.7/dist-packages/Twisted-12.2.0-py2.7-linux-x86_64.egg/twisted/internet/defer.py", line 551, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "/usr/local/lib/python2.7/dist-packages/Twisted-12.2.0-py2.7-linux-x86_64.egg/twisted/internet/defer.py", line 1101, in gotResult
    _inlineCallbacks(r, g, deferred)
--- <exception caught here> ---
  File "/usr/local/lib/python2.7/dist-packages/Twisted-12.2.0-py2.7-linux-x86_64.egg/twisted/internet/defer.py", line 1045, in _inlineCallbacks
    result = g.send(result)
  File "./mining_proxy.py", line 101, in on_connect
    (_, extranonce1, extranonce2_size) = (yield f.rpc('mining.subscribe', []))
exceptions.ValueError: too many values to unpack

I get an exception on subcribe. So it does not work at all. BTW, your pool is the only one with this problem so far. Slush, BTCGuild, Ozcoin, BTCOxygen, MtRED, 50BTC... all do work with slush's stratum proxy.

Any ideas?

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doublec
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March 22, 2013, 06:43:16 PM
 #295

I get an exception on subcribe. So it does not work at all. BTW, your pool is the only one with this problem so far. Slush, BTCGuild, Ozcoin, BTCOxygen, MtRED, 50BTC... all do work with slush's stratum proxy.
I'll investigate, thanks for the report.
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March 25, 2013, 08:10:08 PM
 #296

Pool is down due to a server issue. I expect it to be up in about 10 minutes.

EDIT: Pool is back up. I've reset the bitcoin server wallet. This means there are currently no funds in it until a couple of blocks have gone by when the transaction to top it up again goes through. I'll notify here when the funds are back in it.

EDIT2: Pool funds are transferred and withdrawals should be working.
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March 26, 2013, 05:09:54 PM
 #297

I experienced an almost hour-long streak of rejects on all my rigs today:

Code:
[2013-03-26 14:24:41] Accepted 2ea359f0 Diff 5/4 GPU 0 pool 1
 [2013-03-26 14:25:02] Pool 0 http://bitparking.com:3333 alive
 [2013-03-26 14:25:02] Switching to pool 0 http://bitparking.com:3333
 [2013-03-26 14:25:19] Accepted 2a33ecea Diff 6/4 GPU 1 pool 1
 [2013-03-26 14:26:32] Stratum connection to pool 0 interrupted
 [2013-03-26 14:28:03] Stratum connection to pool 0 interrupted
 [2013-03-26 14:29:34] Stratum connection to pool 0 interrupted
 [2013-03-26 14:31:06] Stratum connection to pool 0 interrupted
 [2013-03-26 14:32:31] Rejected 0b0bf29a Diff 23/16 GPU 1 pool 0
 [2013-03-26 14:33:28] Rejected 0cfc80bb Diff 19/16 GPU 1 pool 0
 [2013-03-26 14:33:43] Rejected 0c587808 Diff 20/16 GPU 1 pool 0
 [2013-03-26 14:35:12] Rejected 043f3340 Diff 60/16 GPU 1 pool 0
 [2013-03-26 14:35:43] Rejected 0e270e0c Diff 18/16 GPU 0 pool 0
 [2013-03-26 14:37:13] Stratum connection to pool 0 interrupted
 [2013-03-26 14:38:32] Rejected 04f8a93b Diff 51/16 GPU 0 pool 0
 [2013-03-26 14:38:54] Rejected 0cbdae48 Diff 20/16 GPU 0 pool 0
 [2013-03-26 14:40:13] Rejected 03c21af8 Diff 68/16 GPU 1 pool 0
 [2013-03-26 14:41:43] Stratum connection to pool 0 interrupted
 [2013-03-26 14:43:11] Rejected 02e988dd Diff 87/16 GPU 0 pool 0
 [2013-03-26 14:43:17] Rejected 0594d835 Diff 45/16 GPU 1 pool 0
 [2013-03-26 14:43:34] Rejected 0f623749 Diff 16/16 GPU 0 pool 0
 [2013-03-26 14:44:32] Rejected 0e803bb5 Diff 17/16 GPU 1 pool 0
 [2013-03-26 14:45:23] Rejected 00d0b807 Diff 313/16 GPU 1 pool 0
 [2013-03-26 14:46:19] Rejected 0d2cc8b0 Diff 19/16 GPU 0 pool 0
 [2013-03-26 14:47:49] Stratum connection to pool 0 interrupted
 [2013-03-26 14:48:19] Rejected 0608e4c4 Diff 42/16 GPU 1 pool 0
 [2013-03-26 14:49:49] Stratum connection to pool 0 interrupted
 [2013-03-26 14:50:45] Rejected 04009065 Diff 63/16 GPU 1 pool 0
 [2013-03-26 14:52:15] Stratum connection to pool 0 interrupted
 [2013-03-26 14:53:17] Rejected 0344433e Diff 78/16 GPU 1 pool 0
 [2013-03-26 14:53:22] Rejected 0b26bf66 Diff 22/16 GPU 1 pool 0
 [2013-03-26 14:54:03] Rejected 03092403 Diff 84/16 GPU 0 pool 0
 [2013-03-26 14:55:33] Stratum connection to pool 0 interrupted
 [2013-03-26 14:55:41] Rejected 0af6e183 Diff 23/16 GPU 1 pool 0
 [2013-03-26 14:56:38] Rejected 0c23f2ea Diff 21/16 GPU 0 pool 0
 [2013-03-26 14:57:41] Rejected 0017fbfb Diff 2.73K/16 GPU 0 pool 0
 [2013-03-26 14:59:11] Stratum connection to pool 0 interrupted
 [2013-03-26 15:00:43] Stratum connection to pool 0 interrupted
 [2013-03-26 15:02:14] Stratum connection to pool 0 interrupted
 [2013-03-26 15:02:36] Rejected 03d2b552 Diff 66/16 GPU 0 pool 0
 [2013-03-26 15:04:06] Stratum connection to pool 0 interrupted
 [2013-03-26 15:04:57] Rejected 0b57cc8e Diff 22/16 GPU 0 pool 0
 [2013-03-26 15:05:29] Rejected 0394e2d3 Diff 71/16 GPU 1 pool 0
 [2013-03-26 15:06:21] Rejected 07998493 Diff 33/16 GPU 0 pool 0
 [2013-03-26 15:07:11] Rejected 0793fb0f Diff 33/16 GPU 0 pool 0
 [2013-03-26 15:07:47] Rejected 057fb64e Diff 46/16 GPU 1 pool 0
 [2013-03-26 15:08:43] Rejected 0589c94d Diff 46/16 GPU 0 pool 0
 [2013-03-26 15:09:06] Rejected 098a6bac Diff 26/16 GPU 0 pool 0
 [2013-03-26 15:10:26] Stratum connection to pool 0 interrupted
 [2013-03-26 15:10:28] Pool 0 http://bitparking.com:3333 not responding!
 [2013-03-26 15:10:28] Switching to pool 1 http://mint.bitminter.com:3333
 [2013-03-26 15:10:46] Stratum from pool 1 requested work restart
 [2013-03-26 15:10:53] Accepted 7f2f6c34 Diff 2/1 GPU 0 pool 1

This happened simultaneously with 6 rigs and 3 internet connections.
doublec
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March 26, 2013, 07:12:33 PM
 #298

I experienced an almost hour-long streak of rejects on all my rigs today:
...
This happened simultaneously with 6 rigs and 3 internet connections.
Unfortunately one of the back end bitcoind's crashed last night and was refusing connections. I'm investigating why this happened and how to work around it if it happens again.
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March 27, 2013, 03:04:27 AM
 #299

May I ask you if the stratum pool support merged mining? Thanks!

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doublec
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March 27, 2013, 03:20:05 AM
 #300

May I ask you if the stratum pool support merged mining? Thanks!
Yes it does. The recent increase in difficulty on ixcoin and devcoin (and hashrates which can be seen on vircurex.com) is due to the activation of merge mining on my stratum server.
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