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Author Topic: NXT :: descendant of Bitcoin - Updated Information  (Read 2760179 times)
LiQio
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March 07, 2014, 10:23:59 AM
 #41381

Hey all, I'm brainstorming a pretty novel idea for the asset exchange. I sent the idea to a few people, so as soon as they tell me I'm not completely stupid or crazy I'll post it here Grin
just post.

I'm going to sleep now, but I don't get any response by the time I wake up I will post it.

Okay, see you in 2 hours  Grin
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March 07, 2014, 10:28:17 AM
 #41382

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Release 0.8.8

http://download.nxtcrypto.org/nxt-client-0.8.8.zip

sha256: 837973d4313b6d3e835ff46c41870ca5ced367b8dc8a160a912d8124f1721b5e


Release 0.7.7

http://download.nxtcrypto.org/nxt-client-0.7.7.zip

sha256: 7a8b4430a78b044871ab676caad8eb36384135d6dc694c0a4ca24c51805fdc24


Change log:

Fixed incorrect setting of genesis block timestamp when
local time is in the daylight savings period. This must
have been the reason for users in the southern hemisphere
being unable to forge.

Since DST in the US starts March 09, it is critical that
at least those in the US upgrade to 0.8.8 or 0.7.7.

There are no new bugfixes or features in 0.7.7 relative to
0.7.6 other than this daylight savings time fix.


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Version: GnuPG v1.4.12 (GNU/Linux)

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lead Nxt developer, gpg key id: 0x811D6940E1E4240C
Nxt blockchain platform | Ardor blockchain platform | Ignis ICO
jl777
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March 07, 2014, 10:32:02 AM
 #41383

10000 NXT BOUNTY for google authenticator help


I am announcing a 10000 NXT bounty for someone to help me integrate google authenticator to the gateway. It will be paid when the gateway passes the community created test plan for multigateway.

I need someone that can do the webpages needed for account # and token input and the server side code that properly correlates that. along with whatever other help I need. Especially making sure the process is secure.

James

Edit: I hope somebody knows where to update the list of bounties and will do so
I do not understand the bounty.
But I've programmed several times (after each change of API), Google Login code.
Does that serve you?
The bounty is for doing a website that interfaces with the gateway and all of the google authenticator integration into the gateway. antanst is doing the website, but I still need a C library I can use to deal with all the TOTP stuff. Ciyam sent me C++, but I am a simple C programmer so if you know of C source code I can use for TOTP, that would help.

James

http://www.digitalcatallaxy.com/report2015.html
100+ page annual report for SuperNET
Patrik90
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March 07, 2014, 10:33:36 AM
 #41384

NXT disappeared from http://coinmarketcap.com/  Huh Does anyone know what has happened? 
bitcoinpaul
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March 07, 2014, 10:38:45 AM
 #41385

i was thinking about the issue of forging too... to be specific, forging pools.. i dont know if this could work or be beneficial but here goes,

(if leasing forging power is posible) people lease their forging power to pools! pools generally use one acc to and pool the funds to increase forging power.. there fore there's only one large acc forging.

i suggest pools are rewarded if they run multiple nodes.. so say 100 people lease their power to a pool the pool uses one acc to forge as normal but the more nodes the pool has the more it increases there forging power.

imagine it like the pools running the nodes for the people they are renting forging power from. so their is an incentive to run loads and loads of nodes,, proof of node! ha iv no idea if that can work or not or if its just stupid.. just throwing it out their! some one else might get an idea from it! Smiley

Bottom line: We could have one big pool who is responsible for many many smaller pools?
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March 07, 2014, 10:39:35 AM
 #41386

NXT disappeared from http://coinmarketcap.com/  Huh Does anyone know what has happened? 

http://coinmarketcap.com/2.html

Just another api error with one of the exchanges, I assume.
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March 07, 2014, 10:41:28 AM
 #41387

Hi!
My test account: 2973390967879414192
for testing Asset Exchange... Thank.
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March 07, 2014, 10:42:44 AM
 #41388

Bottom line: We could have one big pool who is responsible for many many smaller pools?

Probably not such a great idea when we consider the importance of decentralisation - what I would like to see is just a bunch of small independent pools (each with say a max. forging power of 1% or maybe 0.1% of all NXT).

This is why I would like to see some sort of "forging power limit" imposed.

With CIYAM anyone can create 100% generated C++ web applications in literally minutes.

GPG Public Key | 1ciyam3htJit1feGa26p2wQ4aw6KFTejU
bitcoinpaul
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March 07, 2014, 10:44:17 AM
 #41389

What's with the idea of group of forgers with penalization, CIYAM. Could we model this? I'm no dev, so I can't.

edit: Or did we already do that?
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March 07, 2014, 10:54:10 AM
 #41390

Nxt :: Asset Exchange Testing
Let´s get things organized!

I´ve created a project for Nxt AE on TestPad.

https://nxt.ontestpad.com

Anyone willing to test AE please join the site so I can add you to the project.

What is TestPad for and why to join?

We can

- write test cases
- run tests step-by-step
- track tests step-by-step
- track bugs
- track bugfixing progress


Please PM me your username after registration.

Edit: TestPad is charging $9/month for every new user. I will pay for the subscription from my own pocket, so please, only join if you are serious about testing.


Still looking for some candidates WHO ARE ABLE TO WRITE TESTCASES!

AE (0.8.7) looks pretty good and stable. I made following pretty "complicated" test that involves multiple characteristics of the AE order matching algorithm in one test case. If such test cases succeed, we can be pretty sure that all the simple functions involved work as intended.

The test case was the following:
3 Accounts involved, account A and B are sellers of "Peanuts", account C is a buyer of "Peanuts", they sell and buy different amounts for different prices.

Possessions before trade:
Account A: 1000 NXT, 2000 Peanuts
Account B: 500 NXT, 5000 Peanuts
Account C: 2000 NXT, 1000 Peanuts

Offers:
A makes a sell offer: 300 Peanuts, Price: 2 NXT, Fee: 1 NXT
B makes a sell offer: 200 Peanuts, Price: 1 NXT, Fee: 1 NXT
C makes a buy offer, 350 Peanuts, for 3 NXT each, Fee: 3 NXT

The AE Order matching algorithm assumes (correctly) that a buyer wants to buy as cheap as possible. So, C buys 200 Peanuts from B for 1 NXT each (200 NXT total), and 150 Peanuts from A for 2 NXT each (total 300 NXT).

Final possessions after trades:
Account A: 1000 NXT + 300 NXT - 1 NXT (fee) = 1299 NXT,
   2000 Peanuts - 150 Peanuts = 1850 Peanuts
Account B: 500 NXT + 200 NXT - 1 NXT (Fee) = 699 NXT,
   5000 Peanuts - 200 Peanuts = 4800 Peanuts
Account C: 2000 NXT - (200*1 NXT) - (150*2 NXT) - 3 NXT (Fee) = 1497 NXT
   1000 Peanuts + 200 Peanuts + 150 Peanuts = 1350 Peanuts

And finally, there is still a sell offer active from account A about 150 Peanuts for 2 NXT each.

Additionall, the total amount of Peanuts before and after the trades must be the same:
before: 2000 + 5000 + 1000 = 8000 Peanuts
after: 1850 + 4800 + 1350 = 8000 Peanuts

Also the amount of NXT must be the same, minus the fees:
before: 1000 + 500 + 2000 = 3500 NXT
after: 1299 + 699 + 1497 = 3495 NXT (5 NXT are "lost" as fees)

This testcase succeeded!
We should do some additional similar testcases



Great idea.

We need to have performance tests and boundary tests, too.

Could you write a script for that? I would like to see how AE performs in extreme conditions. Especially, when the underlying NXT infrastructure make transition to the next block.
We also need to really test the referencedTransaction
Its one of those optional things that really complicate the possible states things can be in and would be a prime place for race conditions and other edge effects

Please Yes! This has been giving me quite some headache - CfB advised me to ignore it for the time being!

What's the deal??

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March 07, 2014, 11:02:50 AM
 #41391

Nxt was removed ?
http://coinmarketcap.com/

 
                                . ██████████.
                              .████████████████.
                           .██████████████████████.
                        -█████████████████████████████
                     .██████████████████████████████████.
                  -█████████████████████████████████████████
               -███████████████████████████████████████████████
           .-█████████████████████████████████████████████████████.
        .████████████████████████████████████████████████████████████
       .██████████████████████████████████████████████████████████████.
       .██████████████████████████████████████████████████████████████.
       ..████████████████████████████████████████████████████████████..
       .   .██████████████████████████████████████████████████████.
       .      .████████████████████████████████████████████████.

       .       .██████████████████████████████████████████████
       .    ██████████████████████████████████████████████████████
       .█████████████████████████████████████████████████████████████.
        .███████████████████████████████████████████████████████████
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.CryptoTalk.org.|.MAKE POSTS AND EARN BTC!.🏆
bitcoinpaul
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March 07, 2014, 11:04:50 AM
 #41392

NXT disappeared from http://coinmarketcap.com/  Huh Does anyone know what has happened? 

http://coinmarketcap.com/2.html

Just another api error with one of the exchanges, I assume.
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March 07, 2014, 11:05:26 AM
 #41393

What's with the idea of group of forgers with penalization, CIYAM. Could we model this? I'm no dev, so I can't.

edit: Or did we already do that?

We are still trying to work out what exactly is required for TF to work properly.

The purpose of penalisation is try and prevent some sort of advantage happening by "gaming" the system, however, I am far from convinced that 1) it will work and 2) that we even need it.

One reason is that TF is supposed to not favour one single "best forger" for one block but instead that there should always be x equivalent "best forgers" for any given block. So if you are wanting to "skip your turn" you don't need to "pretend your asleep" but perhaps you just send out your block *after* the others that are equally qualified to forge already have.

This situation becomes quite tricky when you think about network topology and is going to result in some nodes "penalising you" and some nodes "not" depending upon whether or not they think you broadcast your block "on time" (i.e. a race condition) and I am concerned it could result in more people "ending up on a fork" than not "penalising" at all (because if you are a large stake holder then you are likely to be forging more than once per day).

With CIYAM anyone can create 100% generated C++ web applications in literally minutes.

GPG Public Key | 1ciyam3htJit1feGa26p2wQ4aw6KFTejU
bitcoinpaul
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March 07, 2014, 11:05:52 AM
 #41394

sort of i guess?Huh lol
people lease to pool, for each (sub)node the pool runs the more power they have.. would be cool if you could create an asset that shows you own that node and each node "asset" is equivalent to a particular amount of coins.. and hallmarked ones worth a bit more. so you get the extra power for running a node but with out using extra nxt to do it???

if a pool has 10m nxt to forge with.. he creates 1000 nodes. each of those nodes have an "asset" which the forger "buys" by sending 1000Nxt to each node. the pool now owns the "asset" for each node so you end up with 1000 nodes with 1000nxt and one acc with 1000 "assets".. and the "assets" are worth more for forging then coins.. so their is an incentive for pools to run multiple nodes. if my idea is just stupid just shoot me down and say so lol

In the light of decentralization, this doesn't help, I guess.
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March 07, 2014, 11:13:27 AM
 #41395

Nxt is still there - if you put in this url its individual graph comes up http://coinmarketcap.com/nxt_30.html

While I was looking at coin market - this was aurora coin...
If you were a buyer on that pointy bit - that is gonna hurt...


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March 07, 2014, 11:15:17 AM
 #41396

Has somebody thought about the Decentralized App Store written by BCNext:
https://bitcointalk.org/index.php?topic=317607.0 ?

Or could we have decentralized buying and selling of files (with any content)?

How about this:

1. Seller generates a random key and encrypts the file to be sold.
2. Seller stores the file somewhere on the net, and announces what he is selling (either on the blockchain or outside the blockchain).
3. Buyer sends NXT to seller.
4. Seller sends a message to the buyer with a download link and the key generated in step one.
5. Buyer downloads the file and decrypts it.


Would somebody like to work on this for a bounty?
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March 07, 2014, 11:15:21 AM
 #41397

It appears that the 'not enough funds' bug on the AE is still there ?!?!




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March 07, 2014, 11:18:50 AM
 #41398

One reason is that TF is supposed to not favour one single "best forger" for one block but instead that there should always be x equivalent "best forgers" for any given block. So if you are wanting to "skip your turn" you don't need to "pretend your asleep" but perhaps you just send out your block *after* the others that are equally qualified to forge already have.

This situation becomes quite tricky when you think about network topology and is going to result in some nodes "penalising you" and some nodes "not" depending upon whether or not they think you broadcast your block "on time" (i.e. a race condition) and I am concerned it could result in more people "ending up on a fork" than not "penalising" at all (because if you are a large stake holder then you are likely to be forging more than once per day).

The idea was to penalize if ur block wasn't included. Not if u didn't send it.
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March 07, 2014, 11:22:14 AM
 #41399

The idea was to penalize if ur block wasn't included. Not if u didn't send it.

Wasn't included by who?

That is my point.

With CIYAM anyone can create 100% generated C++ web applications in literally minutes.

GPG Public Key | 1ciyam3htJit1feGa26p2wQ4aw6KFTejU
bitcoinpaul
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March 07, 2014, 11:22:43 AM
 #41400

The idea was to penalize if ur block wasn't included. Not if u didn't send it.

Wasn't included by who?

That is my point.


Exactly. I wonder, too Huh
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