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Author Topic: NobleCoin[NOBL] - 8% PoS | 1Yr+ | MARKETPLACE | PAY | GIFT | CHARITIES/MERCHANTS  (Read 1010839 times)
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james6546
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February 17, 2015, 10:10:00 AM
 #9701

What is Rofo doing here... has this turned into a community take over?

The way I hope that it will turn out is that we assist in the changeover to PoS, then rofo comes in and takes the helm back. But I guess it is anyones guess at the moment...
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Wesiematic
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February 17, 2015, 10:14:03 AM
 #9702

New test PoS wallet - version 2015-02-14

If you participate in tests please stop test wallet. Download and run new version.

Windows -> http://104.236.195.137/noblecoin-qt-20150214.zip  md5sum: f0c0ff96400fa0cf79e131dd34792025
Linux -> https://github.com/eagleflies/noblecoin/

Test block explorer -> https://chainz.cryptoid.info/nobles/
Documentation -> https://github.com/eagleflies/noblecoin/wiki

Changes:
- provides ability to run checkpoint server

Explanation:
- many PoS currencies run such a server. its main purpose is to increase security by making it (much?) harder for attacker to create new fork and doublespend. possible problems: under certain (and rare) conditions such a server may cause problems to the network. also if someone is able to hack into such a server he can also cause problems. also rogue dev controlling such a server can cause problems

Test plan:
- test checkpoint server is operating.
- if you run previous version of test wallet you will probably find errors in debug.log:
"ERROR: CSyncCheckpoint::CheckSignature() : verify signature failed"
- with new version of test wallet you should find in debug.log messages:
"ProcessSyncCheckpoint: sync-checkpoint at b18a221d0aa13e6356846d39b64eed15ef0e48fd38b9451b61ad221de309192e"
- Could you please confirm that after upgrade to this version you see the latter messages?

Future tests:
- if this wallet works fine current plan is to test one more change to the code. then if everything works fine proceed with the switch to PoS wallet.

Plan for mainnet:
- I am still learning about checkpoint server. On one side it is really useful and strenghtens the network. On the other side it can lead to issues (under rare conditions). Most probaby checkpoint server will not be enabled just after switch to PoS wallet. We will discuss and test it later. However it is important to add this code now as it allows us to avoid hardfork later if such server is needed.

Tentative date of switch to PoS: 2015-02-26


Yes there are a lot of "sync-checkpoint at xxxxxx" looks good.


there is always a light at the end of the tunnel...
RD965
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February 17, 2015, 11:10:16 AM
 #9703

Nice and smooth transition, good job guys! Just a shame theres no mining anymore  Grin
vegasguy
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February 17, 2015, 03:38:46 PM
 #9704

What is the % interest on stake, and what is the minimum stake age plz?

Vegas

I want to make sure everyone knows that I just released my software called "Yobit pump alert". THis is custom software that uses an algo to detect the start of a pump here on yobit, the second it starts. YOu can even filter the coins you see by price. Most pumps start less than 100 sats , so you can easily filter the cheap coins, so they are the only ones displayed Smiley https://bitcointalk.org/index.php?topic=1945937.msg20241953#msg20241953
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February 17, 2015, 08:40:24 PM
 #9705

What is the % interest on stake, and what is the minimum stake age plz?

Vegas

I think we settled for 8%
eagleflies
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February 17, 2015, 09:07:13 PM
 #9706

Nice and smooth transition, good job guys! Just a shame theres no mining anymore  Grin

There will be mining during first month or so. We will have both PoW + PoS at the beginning after transition.
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February 17, 2015, 09:08:11 PM
 #9707

What is the % interest on stake, and what is the minimum stake age plz?

Vegas

8% and 2 hours.
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February 18, 2015, 09:55:34 AM
 #9708

What is the % interest on stake, and what is the minimum stake age plz?

Vegas

8% and 2 hours.

Nice one  Wink
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February 18, 2015, 09:57:13 AM
 #9709

These are the first ever coin I invested in and I am going to hold my coin as long term investment. Nobl is very stable and long lasted coin since last year.
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February 18, 2015, 04:53:14 PM
 #9710

These are the first ever coin I invested in and I am going to hold my coin as long term investment. Nobl is very stable and long lasted coin since last year.


Can we get some answers here or just ignore the fact that Rofo is not helping?Huh Eagleflies are u in charge now? are u running this coin?   What happened with ROFO?  Is he only committed too Noblenxt now? Why wont either of you comment on this??? Why are my posts being removed?Huh

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February 18, 2015, 04:59:21 PM
 #9711

Hello from Greece I do mine NOBL long time now and I just downloaded the new wallet!! Success!!
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February 18, 2015, 05:21:09 PM
 #9712

These are the first ever coin I invested in and I am going to hold my coin as long term investment. Nobl is very stable and long lasted coin since last year.


Can we get some answers here or just ignore the fact that Rofo is not helping?Huh Eagleflies are u in charge now? are u running this coin?   What happened with ROFO?  Is he only committed too Noblenxt now? Why wont either of you comment on this??? Why are my posts being removed?Huh

what do you mean people are not answering you or deleting your posts?



that is still right where you left it along with the person answering you to the best of their ability, ROFO is working on the market place for noble and developing NOXT's backbone right now

"Violence, is the last refuge of the incompetent."
"Never let your sense of morals prevent you from doing what is right."
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February 18, 2015, 05:35:33 PM
 #9713

Hello from Greece I do mine NOBL long time now and I just downloaded the new wallet!! Success!!

Mind you. This is still test wallet.
eagleflies
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February 18, 2015, 05:36:47 PM
 #9714

These are the first ever coin I invested in and I am going to hold my coin as long term investment. Nobl is very stable and long lasted coin since last year.

Can we get some answers here or just ignore the fact that Rofo is not helping?Huh Eagleflies are u in charge now? are u running this coin?   What happened with ROFO?  Is he only committed too Noblenxt now? Why wont either of you comment on this??? Why are my posts being removed?Huh

Please read last few pages of this thread and everything is there.

Myself I'm a dev who is helping with PoS migration.
Lovethecoins
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February 18, 2015, 06:27:52 PM
 #9715

These are the first ever coin I invested in and I am going to hold my coin as long term investment. Nobl is very stable and long lasted coin since last year.

Can we get some answers here or just ignore the fact that Rofo is not helping?Huh Eagleflies are u in charge now? are u running this coin?   What happened with ROFO?  Is he only committed too Noblenxt now? Why wont either of you comment on this??? Why are my posts being removed?Huh

Please read last few pages of this thread and everything is there.

Myself I'm a dev who is helping with PoS migration.

so have you taken over this coin or are you done when pos is done?

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February 18, 2015, 06:37:42 PM
Last edit: February 19, 2015, 11:48:02 AM by eagleflies
 #9716

Tentative date of switch to PoS: 2015-03-02 - moving the date few days later since we need some time to perform current round of tests


New test PoS wallet - version 2015-02-18



Procedure how to join tests:
1. If you participate in tests please stop test wallet.
2. Remove data directory (windows: C:\Users\username\Appdata\Roaming\NoblecoinPOS), (linux: you can delete everything except noblecoin.conf from ~/.noblecoinPOS)
3. Download and run new version.

Windows -> http://104.236.195.137/noblecoin-20150218.zip  md5sum: 03baa2c39cb64603da7e3e21897c3596
Linux -> https://github.com/eagleflies/noblecoin/

Test block explorer -> https://chainz.cryptoid.info/nobles/
Documentation -> https://github.com/eagleflies/noblecoin/wiki

Changes:
- increasing fee to 1 NOBLE per transaction. Current fee of 0.01 is less than 1 Satoshi so does not make much sense.
- lowering max time drift to 1 minute.

Brief explanation:
- Our previous test wallet used default value (2 hours) for max time drift. This poses a security issue as attacker can stake blocks almost 2 hours into the future. When this happens difficulty drops steeply since client thinks it has to quickly decrease it in order to make staking easier for whole network. This makes it easier for attacker to double spend.
- I was able to stake few blocks about 2 hours into the future on our test network which caused difficulty to drop from 2.5 -> 0.50 within few blocks.

Long explanation:
- Please read an interview with presstab where he talks about how important time drift is http://bitcoinist.net/interview-presstab-pos-vulnerabilities/

Test plan:
- Start test wallet. I will try to cause problems to network by mining blocks into the future and will see what happens.
- You can try to mine new blocks using proof-of-work. To do it issue command 'setgenerate true 1' in console
- If you own some noblecoins on real network you can try to import them into test network. This way you learn everything which is needed to access coins after the switch. This is the recommended procedure https://github.com/eagleflies/noblecoin/wiki/Importing-private-keys-from-old-wallet.dat-using---salvagewallet-option . Alternatively you can send all your money to an exchange and they will take care of this for you. The important thing is to transfer money before the switch if you want to do this via exchange.
- You can try staking coins using proof-of-stake. If you already own some noblecoins you can get access to them using methods described above. Or give me your test address and I will send you some play money.
- The coins on the test blockchain will be distributed in about 10 hours.


Tentative date of switch to PoS: 2015-03-02 - moving the date few days later since we need some time to perform current round of tests
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February 18, 2015, 07:07:10 PM
 #9717

Many thanks for the update, Eagleflies. I'm keen to get testing but unfortunately the link to the new Windows wallet doesn't work for me. Can you check the link please.

Edit: Link works now, many thanks.
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February 18, 2015, 07:13:36 PM
 #9718

Many thanks for the update, Eagleflies. I'm keen to get testing but unfortunately the link to the new Windows wallet doesn't work for me. Can you check the link please.

Thank you for feedback. It should work now.

Feel free to give me your receiving address and I will send you some play money. Also if you own some Noblecoins now you will be able to access them on test network too.
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February 18, 2015, 07:30:09 PM
 #9719

Many thanks for the update, Eagleflies. I'm keen to get testing but unfortunately the link to the new Windows wallet doesn't work for me. Can you check the link please.

Thank you for feedback. It should work now.

Feel free to give me your receiving address and I will send you some play money. Also if you own some Noblecoins now you will be able to access them on test network too.

The previous test wallets worked fine, but with this one I'm getting the following error when trying to open it:

MinGW Runtime Assertion
Assertion failed!
File: src/kernel.cpp, Line 475
Expression: pindex ->pprev||pindex->GetBlockHash()==(!fTestNet ? hashGenesisBlock : hashGenesisBlockTestNet)

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February 18, 2015, 10:23:31 PM
 #9720

Many thanks for the update, Eagleflies. I'm keen to get testing but unfortunately the link to the new Windows wallet doesn't work for me. Can you check the link please.

Thank you for feedback. It should work now.

Feel free to give me your receiving address and I will send you some play money. Also if you own some Noblecoins now you will be able to access them on test network too.

The previous test wallets worked fine, but with this one I'm getting the following error when trying to open it:

MinGW Runtime Assertion
Assertion failed!
File: src/kernel.cpp, Line 475
Expression: pindex ->pprev||pindex->GetBlockHash()==(!fTestNet ? hashGenesisBlock : hashGenesisBlockTestNet)


@eagleflies
Looks similar to this:

Hey,  I started to see a weird message when I went to open up my 1.3.1.0 wallet.
The wallet has been working since I updated.  It is encrypted,  but I unlocked it to do PoS and it has been minting.  I had to do some work on my rig and powered it down,  and this came up when I restarted it.  I have the wallet to start up when I restart the rig.  (Running win 8  )

"
"MinGW Runtime Assertion"

Assertion failed!

Program:
C:\HoboNickels-qt-1.3.1.0\Hobonickels-qt.exe

File:
src\kernel.cpp, Line 372

Expression: pindex->pprev ||pindex->GetBlockHash() ==
(!fTestNet ? hashGenesisBlock : hashGenesisBlockTestNet)
"
Then if I select "retry",  I get

" Microsoft Visual C++ Runtime Library
Runtime Error!

Program
C:\HoboNickels-qt-1.3.1.0\Hobonickels-qt.exe

This application has requested the Runtime to terminate it in an unusual way.
Please contact the application's support team for more information."
 
I have no idea what this means,  or what to do about it, because I'm not QTwallet master.

Can someone give me some insight as to why this happened and what to do about it?

I'm assuming that I need to backup my wallet.dat and delete some shit from my appdata roaming folder or something,  but I really don't know.

Let me know if I need to post up more info.



Yes, as presstab stated, you will need to navigate to %appdata%/HoboNickels folder
and remove the database directory, txleveldb directory, and blk0001.dat file. You can re-sync or use the files presstab has given.  

You should, as you noted, make a copy of your wallet.dat before you do this.

Finally if possible, could you or someone else, rar/zip up all the files i just mentioned, that are causing this error, and put them somewhere. I would like to to do some testing with them to nip this bug in upcoming v1.4 release.

Thanks
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