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Author Topic: [ANN] Blacknet | IBO for BlackCoin | New code | PoS | No ICO  (Read 2470993 times)
dzimbeck
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December 13, 2017, 08:23:53 AM
 #34021

_________________________________________________

***  ALERT * WATCHONLY-GUI BUG * ALERT ***
____________________________________________

Greetings, friends at BlackCoin! As Komodo Platform has been working around the clock to fine-tune the multiple GUI's that are the face of our Agama multiwallet and BarterDEX atomic swap protocols, there have obviously been many bugs found and many debugged. However, one bug in particular was found not only in our Agama GUI wallet, but also in the zcash4mac GUI swing wallet. It is a simple bug, but it warrants your attention. This is a potential money cost bug.

BlackCoin (BLK) - As a Bitcoin-protocol cryptocurrency, your GUI wallet(s) may be susceptible to this bug.

ISSUE: 'watchonly' addresses appearing as your own in GUI wallet; users could potentially send funds to the address, unaware it is not theirs or available for withdrawal.  You can import <any address> and it becomes a 'watchonly' address. The GUI will display the address as yours, add its funds to your balance, and accept deposits, but cannot be withdrawn. This could be a normal address, my address, a p2sh address, satoshi's address, etc. This can be confusing to an end-user and will lead to many headaches for the developer, as is always the case with misplaced funds.

FOUND: in Komodo Platform's Agama multiwallet (fixed) and zcash4mac GUI swing wallet (@jl777b: "newest QT wallet seems ok about watch only, but not sure of older and when it was fixed")

ex. @grewalsatinder found the bug in his zcash swing wallet:

Quote from: jl777B
"satinder used zcash4mac, ie. the zcash osx GUI, not ours... the assumption is no GUI out there properly handles watch only addresses, until proven that they do... agama also had this bug, which we found and fixed, so it seems a very common bug to have"

SOLUTION: For the 'watchonly' address or any address not yours, the value 'ismine' returns false. Any such address gets filtered out.

QUESTIONS:
  • How does your recommended GUI deal with watchonly addresses?
  • Does your GUI display watchonly addresses as different than actual addresses in the wallet?

We need to experiment a bit to see which approach gets a better response triggering the bug. People WILL lose money if they send funds to a watchonly address.

Quote from: jl777B
"the t3 addresses in the 'Own Addresses' column! and they absolutely cant be as they are p2sh addresses. it is clear proof that the bug is very real and anybody that understands a p2sh address will understand it cant be something in your wallet. it is usually a multisig address, so only if it is a 1of1 multisig (possible but very silly) can you have a p2sh address that is spendable, but the wallet wont even know it... normal addresses can also be watchonly, which makes this even worse. in that case it would appear in the list of addresses just like all the others. even if you are able to spot p2sh addresses visually, it wont be enough"

I've been tasked with spreading awareness and facilitating discussion of this bug, so please let me know if you have any questions. I'll get you some answers and we can minimize the impact. We wanted to reach out directly to the developers of the 60+ coins featured on Agama and BarterDEX as the bug may have a direct impact on you (via your own GUI wallet).

- Jay

Hey there Jay. BlackHalo uses the watchonly addresses however the wallet is only used to get access to listunspent. The keys are just stored in two private key files since all accounts are multisig. In some cases watchonly is used to watch addresses for joint accounts or accounts that don't belong to the user.

Rat4 used to have two branches. The main branch and the watchonly branch because he didn't want the wallets to get confused. In fact, I use a custom data directory which is local to Halo to avoid that conflict and make files more accessible to users.

As for the QT anyone who builds the watchonly branch and manually adds watchonly addresses is indeed at a big risk since those accounts aren't meant to be spent. However the change you propose is not good because I use that branch for Halo. On the other hand users should build from the branch without watchonly.

If your DEX requires the QT wallet runs watchonly then perhaps a change needs to be made to the QT GUI to accommodate it.
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December 13, 2017, 03:00:14 PM
 #34022

I sure would like to see some new development with this coin.  I had high hopes for it when it came out, followed it for a while, got away from it, checked back in, and it looks the same as it ever was...

If you have some specific ideas or suggestions you could go over to the gitter: https://gitter.im/BlackCoin_Hub

Janko33bd and Vinceblk are both almost always available there.

This bitcointalk thread is fairly ignored.

I went there and it's very active, but I'm not a member and don't feel like joining yet another online doodad that I'm going to forget my password for, but I do have a suggestion that can be passed along if somebody thinks it's worth it.  Any bounty for my brilliant scheme would be appreciated...  Cheesy

A long time ago there was an internet service provider called Juno, and you could get free internet if you allowed them to use your dormant, online computer to perform complex mathematical computations, and Juno would find buyers that needed this service, presumably make money, and for letting them use your computer you got free internet.  The cumulative power of thousands of computers hooked together made a sort of supercomputer, according to Juno.  I've long thought that a proof-of-stake wallet could provide this same kind of functionality and reward the wallet holder with a higher stake payout.  I have absolutely no technical ability to make this happen, but always thought it would be a great option for crypto coins.


Just so you know, gitter uses github and twitter accounts, don't have to sign up for anything if you have either of those.

I didn't see that.  Thanks for the tip.

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December 13, 2017, 04:16:52 PM
 #34023

Interesting price hovering between 2000 to 2400 sat for days
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December 13, 2017, 04:36:13 PM
 #34024

As for the QT anyone who builds the watchonly branch and manually adds watchonly addresses is indeed at a big risk since those accounts aren't meant to be spent. However the change you propose is not good because I use that branch for Halo. On the other hand users should build from the branch without watchonly.

If your DEX requires the QT wallet runs watchonly then perhaps a change needs to be made to the QT GUI to accommodate it.

barterDEX does create watchonly addresses and since any user could manually add a watchonly address with a single command, it seems a very good idea to update the QT wallet to at least denote which addresses are watch only.

Oh, I think BLK was missing gettxout rpc call last time we checked. Any chance of that being added (if it isnt already there)?
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December 13, 2017, 06:16:59 PM
 #34025

As for the QT anyone who builds the watchonly branch and manually adds watchonly addresses is indeed at a big risk since those accounts aren't meant to be spent. However the change you propose is not good because I use that branch for Halo. On the other hand users should build from the branch without watchonly.

If your DEX requires the QT wallet runs watchonly then perhaps a change needs to be made to the QT GUI to accommodate it.

barterDEX does create watchonly addresses and since any user could manually add a watchonly address with a single command, it seems a very good idea to update the QT wallet to at least denote which addresses are watch only.

Oh, I think BLK was missing gettxout rpc call last time we checked. Any chance of that being added (if it isnt already there)?

It is in Lore!

https://github.com/janko33bd/bitcoin/releases

If there are bugs please contact me on BLK gitter https://gitter.im/BlackCoin_Hub
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December 14, 2017, 07:40:15 AM
 #34026

What are you doing here?
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December 15, 2017, 01:05:16 PM
Last edit: December 15, 2017, 01:18:37 PM by STT
 #34027

I should probably already know this but is it possible to stake with blackhalo client same as I might stake with the Lore wallet currently.   Maybe I can just copy the index files across to speed up the synchronising as well.   I ask because I find I have to rescan alot to get mature coins on the Lore wallet, possibly that is the machines fault as it is old machine with only dual core and its running other things as well.

http://www.blackhalo.info/

Seems a great shame not to use the potential assets available.  Meanwhile Bitcoin is effectively throttling itself, theoretically if we transferred the same transaction volume to BLK then would it handle it ok ?   Obviously we should also have more active wallets at that time so maybe its impossible to say but Im interested in peoples estimates.   Capitalism is always competetive and I'm much more optimistic even if only in theory it can handle the workload because I do believe change is the only constant especially with such high monetary velocity, 2018 will not just be a repeat.
 I'm still an eternal learner on these things but also the situation is dynamic, relying on price alone as an indication of success is a mistake imo and bitcoin will run into problems if they dont resolve that backlog amicably.  Speculative activity isnt enough to justify that fee cost


https://jochen-hoenicke.de/queue/#all

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December 16, 2017, 12:58:34 PM
 #34028

Ктo мoжeт пoдapить мoнeткy?  B7aHRpiTnnaoi9aSgCSmyqpMxeq3pcdLVE
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December 16, 2017, 01:50:41 PM
 #34029

Do you think what price of blk in 2018?
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December 16, 2017, 03:56:39 PM
 #34030

Do you think what price of blk in 2018?

According to my most recent calculations, crypto awareness growing and next year being the Chinese year of the brown dog, the price should be about treefiddy.

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December 16, 2017, 05:13:14 PM
 #34031

I should probably already know this but is it possible to stake with blackhalo client same as I might stake with the Lore wallet currently.   Maybe I can just copy the index files across to speed up the synchronising as well.   I ask because I find I have to rescan alot to get mature coins on the Lore wallet, possibly that is the machines fault as it is old machine with only dual core and its running other things as well.

http://www.blackhalo.info/

Seems a great shame not to use the potential assets available.  Meanwhile Bitcoin is effectively throttling itself, theoretically if we transferred the same transaction volume to BLK then would it handle it ok ?   Obviously we should also have more active wallets at that time so maybe its impossible to say but Im interested in peoples estimates.   Capitalism is always competetive and I'm much more optimistic even if only in theory it can handle the workload because I do believe change is the only constant especially with such high monetary velocity, 2018 will not just be a repeat.
 I'm still an eternal learner on these things but also the situation is dynamic, relying on price alone as an indication of success is a mistake imo and bitcoin will run into problems if they dont resolve that backlog amicably.  Speculative activity isnt enough to justify that fee cost


https://jochen-hoenicke.de/queue/#all

Not only does BlackHalo stake but it has the worlds most secure staking! COLD STAKING. To stake in Halo go to settings and turn it on and then unlock your wallet. Then you have cold stake options so if you want to have the highest security you can stake using 2 computers over LAN. Basically have one key on one computer and another key on the other computer. This way the signing of a stake between the two accounts makes your account almost impossible to hack.

The blockchain files can be copied in the same way a bootstrap works. You never have to rescan in BlackHalo. The only reason to rescan is if you accidentally delete wallet.dat(since it's mainly used for watchonly addresses in Halo) or move to a new computer and open an account and the balance isn't showing properly.

To import blockchain files from the QT for example you just follow the same instructions as you would with any coin. The blockchain files in Halo are always stored locally in the install directory such as c:\BlackHalo\data
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December 16, 2017, 06:57:49 PM
 #34032

for all new members We are also in Telegram and also in gitter.
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December 17, 2017, 09:54:44 AM
 #34033

What's the latest version of BLK's wallet?   V 1.2.4?
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December 17, 2017, 10:40:28 AM
 #34034

What's the latest version of BLK's wallet?   V 1.2.4?

yes v.1.2.4 is the latest
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December 17, 2017, 05:14:12 PM
 #34035

BLK 2117sat on trex!


Now 2390Sat's!

CSC ★★★ ♠♠♠ CasinoCoin ♠♠♠ ★★★ - Super Supercoin - MOON 🌙MoonCoin🌙
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December 17, 2017, 05:25:33 PM
 #34036

A historic coin, commonly known as Diablo, your DASH brothers have run through a lot of coins, I think you are underestimated, after all, ranked 218th

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December 17, 2017, 05:44:05 PM
 #34037

A historic coin, commonly known as Diablo, your DASH brothers have run through a lot of coins, I think you are underestimated, after all, ranked 218th

Many people say that, but DASH does more people know, but I also think BLC is a potential currency, I have locked positions

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12elderscrolls12
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December 18, 2017, 12:27:11 AM
 #34038

Going all in on this.
12elderscrolls12
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December 18, 2017, 04:39:39 PM
 #34039

Look at the Satoshis! This going to the moon.
Coinhouse.eu
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December 18, 2017, 08:44:34 PM
 #34040

Hi BlackCoin community,

We have listed BlackCoin to our brand new exchange Coinhouse.eu

https://coinhouse.eu/markets/blkbtc

Have fun trading!


Team Coinhouse
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