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661  Alternate cryptocurrencies / Pools (Altcoins) / Re: [ANN][POOL] Profit switching pool - wafflepool.com on: April 27, 2014, 04:01:03 AM
I believe WafflePool's profitability switcher takes into account orphan/reject rate when choosing a coin.  As PoolWaffle has previously indicated that if a coin with 10% orphan rate is 15% more profitable then the next option, we mine it.

Periods of high rejects just mean we are currently mining a fast or low-diff coin.
662  Economy / Service Announcements / Re: [ANN] NiceHash.com - innovative professional cryptocurrency cloud mining service on: April 27, 2014, 01:00:58 AM
Whoever is capable of compiling own sgminer, please test this version: https://github.com/bitbandi/sgminer/

It contains two fixes:
- idlebug fix
- support for extranonce subscription - no more reconnects when switching orders -> your hashrate on NiceHash will be higher

I tried your fixed version, and after ~8 hours it started acting up.
Then, I added in 'phzi's pool->idle = true; fix as well into the code - and it still started screwing up after a while.

I don't think the idle bug is fixed.
I am fairly sure the idle bug is fixed, but I have heard the extranonce stuff seems possibly unstable.

If you're using the bitbandi/sgminer code, then the included fix is a bit different - https://github.com/bitbandi/sgminer/commit/77545de0e8b0d0a6e57cf518920de5e6b818e290 .  You won't want to be using pool->idle = true; AND this commit.  Closing the stratum connection like in that commit causes pool->stratum_active = pool->stratum_notify = false (but does not affect pool->idle).   I can't say if this works, as I haven't tested it myself.  But, from my read thru of the code, the program flow will be quite different then my patch, and I was marking the pool idle instead of suspending stratum for a reason.
663  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][EXE] Execoin - Fast | ASIC resistant | Multipool proof | KGW | no-premine on: April 25, 2014, 09:18:40 PM
I think we need to wait for the mining rigs to actually be knocked out by the asic's before we need to worry about hash rate.
I somewhat agree. But, hashrate vs other nscrypt coins is definitely relevant now.
664  Economy / Service Announcements / Re: [ANN] NiceHash.com - innovative professional cryptocurrency cloud mining service on: April 25, 2014, 08:25:22 PM
Lol... sometimes it is good to give back.  I have made plenty of profit from the various dev's that have built c/sgminer, and if I can patch an annoying bug with a single line, I would prefer to honor the open source nature of the crypto communities by sharing my fix.  If someone wants to pay (or tip) me for the time it took to debug this, I will be appreciative. But I don't see the need to demand compensation.

I am happy, on principle, to have offered this freely.
665  Economy / Service Announcements / Re: [ANN] NiceHash.com - innovative professional cryptocurrency cloud mining service on: April 25, 2014, 03:19:37 PM
My 'idle miner' patch that has been effective on my rigs is a single line change:

in util.c, auth_stratum function

Either immediately before or immediately after the 'JSON stratum auth failed' applog, add one line:
Code:
pool->idle = true;

This correctly marks the pool as 'Dead,' after a failed stratum auth, and the next alive pool will be chosen.  Because the pool is marked idle, a reconnect attempt will be made periodically. If auth is succesful, the pool is marked 'Alive,' and mining resumes.

Without this 1 liner, the pool is still seen as alive after a failed auth. So, sgminer sits and waits for work even tho the connection was not successful. (Truthfully, the connection and auth are seperate ideas in the stratum protocol, so you can connect but fail auth, in which case you did 'connect' successfully).

Note, of course, I offer this 1 line of code with no warranty whatsoever. You have been warned! ;-]
666  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][EXE] Execoin - Fast | ASIC resistant | Multipool proof | KGW | no-premine on: April 25, 2014, 02:44:33 PM
Have you also considered the fact that sometime next year everyone will mine 50% less coins due to increase in the n-factor?
This isn't true... everyone will have half the hashing power, so everyone will get the same amount of coins (everyone would still have the same proportion of total network power, since everyone's rate halves).
667  Alternate cryptocurrencies / Pools (Altcoins) / Re: [ANN][POOL] Profit switching pool - wafflepool.com on: April 25, 2014, 04:43:03 AM
<snip>
It would be a different situation if we were sending our transactions out with no fees (valid), just to try to save a few bucks, but we include fees so that we're normally included reasonably quickly, but end of the day, it is up to miners whether or not to include it.

Would be an interesting thing about payouts in scrypt currencies actually - could pay no fee and the pool can include the transaction in the next block mined.
668  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][EXE] Execoin - Fast | ASIC resistant | Multipool proof | KGW | no-premine on: April 25, 2014, 03:42:07 AM
Execoin suffers from overproduction of the coins, our community already noticed that 50 EXE reward for 45 seconds blocks is a way too many. In addition, abrupt block halving is not good for a well-established coin. So we propose to make some changes while the coin is young to make it more smooth and to support its value. We think that Execoin needs dramatic block decrease and we are thinking about lowering it up to 10 EXE per block. In addition, to prevent abrupt block halvings in the future we are going to implement eventual decreases of block rewards by 1 percent every month. Proposed changes will require a hard fork, so we will benefit from it and incorporate new version of the KGW with Time Warp vulnerability fixed.

We would like to listen an opinion of our community, what do you think?
20 or 10EXE per block sounds like a good call to me, and gradual block decrease seems like it might work well.

I would say go forward with a hardfork, just push it at least 1 week away so everyone has time to upgrade.
669  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][EXE] Execoin - Fast | ASIC resistant | Multipool proof | KGW | no-premine on: April 24, 2014, 11:40:45 PM
I cant say that I see your attitude people as a good sign. How you all are so concerned with the market price. Execoin in not a barrel of petrol. It is supposed to be primarily a payment system!
 Cheesy
Value stability is extremely important to a transaction medium.  Current value also correlates very closely with network hashrate and therefore network security.  If value continues to fall, vertcoin will end up the nscrypt crown holder, and exe will be left with with little to no hashrate (and therefore no network security, and therefore next to 0 utility).

And besides, cryptocoins have vastly more similarity to comodities then currencies.

We are talking about trying to stabilize value, because at this point it is crucial for network longevity.
670  Alternate cryptocurrencies / Pools (Altcoins) / Re: [ANN][POOL] Profit switching pool - wafflepool.com on: April 24, 2014, 09:01:08 PM
My BTC is stuck in my wallet in pending 7 hours....  Sent and email and they ask me to read the forum.. ?? What kind of email reply is that?
I guess we are just fucked..  wait and wait...  
Lol... read the last few posts maybe?  We're hardly "fucked," although some patience is indeed necessary.
671  Alternate cryptocurrencies / Pools (Altcoins) / Re: [ANN][POOL] Profit switching pool - wafflepool.com on: April 24, 2014, 08:50:46 PM
My guess is it might be something to do with the lower fees in 0.9, we sent with the default fees (0.0061 in this case), so it should confirm eventually, but with a big transaction and probably a lot of people still running 0.8 with higher fees, i looks like it might take a bit (odd, we've sent other payouts with 0.9 default fees with no problem).

Give it a bit longer I guess, if it doesn't confirm overnight I guess we'll attempt to double-spend it with higher fees?
Sounds like a plan to me.  Looks like we're not the only one with a transaction stuck - CoinShift has had their latest payment unconfirmed for a few hours now (and it isn't seen by blockchain either).

Apparently there are a few pools already supporting replace-by-fee (from v0.9.1).  The tools for using it are pretty preliminary tho.

If the transaction doesn't get confirmed after a day, can always just broadcast a new raw transaction with the same inputs and a high fee tho.
672  Alternate cryptocurrencies / Mining (Altcoins) / Re: [ANN][POOL][PROFIT-SHIFT] Coinshift.com, the first profit-shifting multipool on: April 24, 2014, 08:44:30 PM
My payout today was not recieved by my wallet.

http://blockchain.info/tx/268af44752fec4d58e9ec7b9df78da485b177ceb659ea30bd774982f06385b11

Transaction not found.

Wallet: 12FEXEDRdDQBQUyKE9p8FncbvLmLokoBpZ
The transaction was broadcast just fine.  Blockchain seems to be missing a lot of unconfirmed transactions lately.

http://blockr.io/tx/info/268af44752fec4d58e9ec7b9df78da485b177ceb659ea30bd774982f06385b11

Be patient, it should confirm eventually.
673  Alternate cryptocurrencies / Pools (Altcoins) / Re: [ANN][POOL] Profit switching pool - wafflepool.com on: April 24, 2014, 07:13:50 PM
Looks like the latest WafflePool payment is lost in the nether for the moment.  It was broadcast to the network, and my local node sees it, but still no confirmation after several hours.

@PoolWaffle: Maybe a good time to try replace-by-fee, heh?

No matter, should get confirmed eventually.
674  Economy / Service Announcements / Re: [ANN] NiceHash.com - innovative professional cryptocurrency cloud mining service on: April 24, 2014, 07:04:49 PM
Who does compile his own sgminer, you can start testing extranonce subscription feature, which enables no more reconnects during order switch.

https://github.com/bitbandi/sgminer/commits/nicehash-extranonce
Awesome.

So, the miner sends a subscribe to extranonce updates before auth, telling the server it supports extranonce updates.  Then, the server sends a stratum notification when the extranonce needs to change?

Looks clean.  Will throw this on my rigs and see how it goes.
675  Economy / Service Announcements / Re: [ANN] NiceHash.com - innovative professional cryptocurrency cloud mining service on: April 24, 2014, 04:52:04 PM
I can only get "bursts" of 1/2 the hash rate on my R9 280X with all the various suggested settings (overclocking, 8193 thread, xintensity, etc.)  I'm just not get a steady rate unfortunately and it averages less than 1/2 for me.  Will just have to keep watching to see when it will become more profitable for me.
Also keep in mind that most people see fairly significant power savings when hashing scrypt(n=11) vs scrypt(n=10).  My 290s can be tuned up to 470KH/s with low reject rates, and use less power then when they are hashing scrypt at 850KH/s.

Anyone trying the mixed algo configs on the development versions of sgminer?  You can set up load-balanced or quota pools to mine scrypt and nfactor at the same time on a single GPU.  Or set up failover mode, primary pool mines scrypt and failover mines nfactor.  Would be interesting to see how the "p=" setting can play into getting the GPU to mine nscrypt only when its profitability it higher than scrypt.  It might be interesting to try once the idle bug is fixed and implemented in the capable versions of sgminer.
I made a post somewhere above about this.  I showed how you can use p= to automatically switch between nscrypt and scrypt depending on what is more profitable (within a margin of error).  The idle bug does throw a bit of a wrench in this tho.

(Personally, I'm not mining here until the idle and p= problems are resolved.  But I have been buying hashing power on occasion.)
676  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][EXE] Execoin - Fast | ASIC resistant | Multipool proof | KGW | no-premine on: April 24, 2014, 04:45:00 PM
It appears to be a bot on Cryptsy that automatically places smallish orders on both the sell and buy sides.  If you put up a big buy or sell wall, it will almost always put up an order 1sat in front of it.  If you sell or buy into its orders, it moves the orders on the opposite market side closer.

Looks like we lost our 3500 buy order.  My orders all got eaten too.

If we don't establish a solid price base as a group soon, this coin is going to lose most of its hashrate.

At 3000sat, that's a pretty small market cap.  There must be enough people that believe in the potential of nscrypt and specifically EXEcoin that we can stabilize the market value.  If sellers (miners and holders) see a large enough buy wall, they are much more likely place higher sell orders instead of selling into the buy orders.
677  Alternate cryptocurrencies / Pools (Altcoins) / Re: [ANN][POOL] Profit switching pool - wafflepool.com on: April 24, 2014, 08:12:22 AM
A few account miss getting added to the payment queue?

Payments have been fine for most people it seems.
678  Economy / Service Announcements / Re: [ANN] NiceHash.com - innovative professional cryptocurrency cloud mining service on: April 24, 2014, 08:05:32 AM
I'm not sure what advantage I would have as a provider for scrypt-adaptive-n.  The bids are just below twice as much as scrypt and my hash rate is cut to 1/3 to 1/2.  The bids need to be at least two or three times that of scrypt just for me to meet the amount I could earn providing for scrypt.  Is there everyone providing for scrypt-adaptive-n meeting or beating the earnings compared to providing for scrypt?
With skilled tuning, you can get 55%+ out of an nscrypt rig.  Recently, there have been a few times where nscrypt was more profitable then scrypt for my rigs on nicehash, and the price went above 11BTC/GH for a bit.

I think as more scrypt ASIC miners roll out (presuming there is really any reason to have alternative blockchains beyond BTC and LTC), nscrypt will become increasingly more profitable for GPU miners.
679  Alternate cryptocurrencies / Pools (Altcoins) / Re: [ANN][POOL] Profit switching pool - wafflepool.com on: April 24, 2014, 12:16:27 AM
Thanks for the reply. I tried it on useast and it would never connect and would just go dead on nicehash. When prices go down I might try again.
FYI: NH is in EU, so you're best off using EU stratum endpoints if buying hashing power there.
680  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][EXE] Execoin - Fast | ASIC resistant | Multipool proof | KGW | no-premine on: April 24, 2014, 12:05:42 AM
Hi, execoin devs and execoin community~
Any news from china Bter exchange the EXECOIN BE list in Exchange trade?
Did not see any progress,include Bter,AMA...
EXE doesn't need another exchange right now - we need more buy volume on cryptsy to ensure a solid marketcap floor.

EXE's biggest potential advantage is the falling profits in scrypt mining by GPUs.  To take advantage, we need to create a solid price floor so that miners feel comfortable not just leaving their rigs on EXE, but also comfortable holding the coin knowing that the price is likely to increase. I think it should be this community's goal to create enough price stability that EXE can surpass VTC in network hashrate.
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