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Topic: [DSH] Dashcoin (Cryptonote, automated source) - page 26. (Read 216677 times)

full member
Activity: 212
Merit: 100
R.M.H. Ether 2013
how much must be the price for a BTC market?

The moment we can get the price stable above 300XMR for a good period of time a btc market at Poloniex will be added im sure.
full member
Activity: 168
Merit: 100
Not sure what's going on with the new wallet today.  Last night it was working okay.  It let me send a 1 million dash at a time to poloniex.  Today I can't even send over 1000 dash.  I've restarted the wallet several times.  Any help?
full member
Activity: 195
Merit: 100
how much must be the price for a BTC market?
300 XMR satoshi+
hero member
Activity: 731
Merit: 500
how much must be the price for a BTC market?
legendary
Activity: 1078
Merit: 1059
FROSTING

I have some finding about the recent transaction problem. I knew what was the problem when I fixed my test pool - transactions with size bigger than 10,000 bytes were hardly accepted in the blockchain. I took my investigation further and here are my finding:

1. Minergate uses old or modified code:

First of all, I use the latest version of dashcoind from 16 Sep on my pool. Here is the --version output:

Code:
> dashcoind --version
2014-Oct-20 10:18:48.631403 Starting...
2014-Oct-20 10:18:48.633060 dashcoin v1.0.2.358()
dashcoin v1.0.2.358()

Quote
2. Minergate started to use this code on 2014/10/06 10:28:17
I looked at the blockchain for odd blocks and they started to appear here:
http://chainradar.com/dsh/blocks/2241/30
Quote
67225   14-10-06 10:28:17   576   1   63d91c6d5f7f9eab1cc2ad3f3be0435fba2427694ba4579e1cdb6077e8e47110

Secondly the statement that MinerGate has moved to modified daemon code on 10/06/2014 is totally incorrect. CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE represents a base median value of block total transactions size and can be shifted forward. As you can see the current median of 63d91c6d5f7f9eab1cc2ad3f3be0435fba2427694ba4579e1cdb6077e8e47110 'malicious' block equals 23,142 bytes, which means it can contain up to 23 Kb of transactions. Real block size depends on the daemon's tx pool state - the mining pool have nothing to include into the block if it is empty. So, since this isn't correct, the remaining statements are incorrect also.

Lastly - for whose benefit? Please answer what my pool will gain from this potential modification?
newbie
Activity: 20
Merit: 0
I think i messed up when trying to send coins to myself...

transfer 0 address 100000
Money successfully sent, transaction

They didnt show up in my wallet afterwords...any ideas?
See FAQ:  http://dashcoin.net/faq/
"My transaction says sent, but it never showed up."


okay...moving my miners off mg.

but can you tell me how sending large amounts from mg seems to work almost all the time and i struggle with amounts 10x smaller from simplewallet given they reduced this parameter? i've was able to send 3 separate 24M DSH txns from there that arrived within a very short period of time when my 2M DSH txns from my simple wallet would take hours if not a day to get there
Long story short:

* Your daemon is programmed to sends transactions up to 20,000 bytes
* Minergate is programmed to accept and send transactions up to 10,000 bytes
* Minergate controls big chunk of the network
Result:   Transactions in range 10,000 - 20,000  have hard time to pass

If an attacker flood the network with transactions just over 10,000 bytes (like 10,536 bytes or 11,057 bytes), it makes practically impossible for real transactions over 10,000 bytes to pass.

The transaction size depends on the number of inputs, outpouts (payees), and mixin. You can easily have a transactions for amount 10,000DSH with size 12,000 bytes   and in the same time you can easily have a transaction for amount 5,000,000DSH with size 3,000bytes.



Thanks!
slb
hero member
Activity: 598
Merit: 501
I think i messed up when trying to send coins to myself...

transfer 0 address 100000
Money successfully sent, transaction

They didnt show up in my wallet afterwords...any ideas?
See FAQ:  http://dashcoin.net/faq/
"My transaction says sent, but it never showed up."


okay...moving my miners off mg.

but can you tell me how sending large amounts from mg seems to work almost all the time and i struggle with amounts 10x smaller from simplewallet given they reduced this parameter? i've was able to send 3 separate 24M DSH txns from there that arrived within a very short period of time when my 2M DSH txns from my simple wallet would take hours if not a day to get there
Long story short:

* Your daemon is programmed to sends transactions up to 20,000 bytes
* Minergate is programmed to accept and send transactions up to 10,000 bytes
* Minergate controls big chunk of the network
Result:   Transactions in range 10,000 - 20,000  have hard time to pass

If an attacker flood the network with transactions just over 10,000 bytes (like 10,536 bytes or 11,057 bytes), it makes practically impossible for real transactions over 10,000 bytes to pass.

The transaction size depends on the number of inputs, outputs (payees), and mixin. You can easily have a transactions for amount 10,000DSH with size 12,000 bytes   and in the same time you can easily have a transaction for amount 5,000,000DSH with size 3,000bytes.

sr. member
Activity: 394
Merit: 250
Crypto enthusiast
once dash have ease of sending transaction, i'll send some donation..

I have some finding about the recent transaction problem. I knew what was the problem when I fixed my test pool - transactions with size bigger than 10,000 bytes were hardly accepted in the blockchain. I took my investigation further and here are my finding:

1. Minergate uses old or modified code:
This is the code from the current version on Dashcoin:
Quote
#define CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE 20000
Here is what they probably use:
Quote
#define CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE 10000

2. Minergate started to use this code on 2014/10/06 10:28:17
I looked at the blockchain for odd blocks and they started to appear here:
http://chainradar.com/dsh/blocks/2241/30
Quote
67225   14-10-06 10:28:17   576   1   63d91c6d5f7f9eab1cc2ad3f3be0435fba2427694ba4579e1cdb6077e8e47110
Before this block all blocks have size >17,000 bytes, which means all pools have honest code before this point of time (CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE with value 20000)

http://chainradar.com/dsh/block/63d91c6d5f7f9eab1cc2ad3f3be0435fba2427694ba4579e1cdb6077e8e47110

Proof that the block is Minergate's:
https://minergate.com/pool-stats/dsh/23491
Search for   63d91c6d5f7f9eab1cc2ad3f3be0435fba2427694ba4579e1cdb6077e8e47110

3. Minergate used correct code before 2014/10/06 10:28:17
Here is a Minergate's block just 2 blocks below the first strange block I showed above.
Quote
67225   14-10-06 10:28:17   576   1   63d91c6d5f7f9eab1cc2ad3f3be0435fba2427694ba4579e1cdb6077e8e47110
67224   14-10-06 10:28:43   27286   3   87e8bd5e525649322ed3e5a7d582629917353b06680ba4c035736c03d6834a40
67223   14-10-06 10:17:47   23295   4   4e2dad2aa98dab526f9ea269c0d6dc0388ebb20af159e95c71df3f0bcd8bfdbe

Proof that the block is Minergate's:
https://minergate.com/pool-stats/dsh/23491
Search for   4e2dad2aa98dab526f9ea269c0d6dc0388ebb20af159e95c71df3f0bcd8bfdbe

How this is affecting the network:
1. Transactions with >10000 bytes will break with frequency, related to how much of the hashrate Minergate controls. This produce a snowball effect - the more failed transaction - more people goes to Minergate, because the other pools cannot send transactions.
2. The higher number of transaction failed leads to the constant need of reset and cache delete.

How to act:
DO NOT MINE AT MINERGATE
To improve the effective transaction median and reduce the rejected transactions, we must put Minergate's hashrate percent to minimum as possible until they fix their daemon.

Spread the hashrate between pools
Lets don't make the same mistake again and give so much power to a single pool.

Make sure you are running dashcoind with version 1.0.2
Quote
dashcoind --version

The fact that Minergate had a version with CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE 20000 before their version with value 10000 makes me almost certain this is not a simple mistake.

okay...moving my miners off mg.

but can you tell me how sending large amounts from mg seems to work almost all the time and i struggle with amounts 10x smaller from simplewallet given they reduced this parameter? i've was able to send 3 separate 24M DSH txns from there that arrived within a very short period of time when my 2M DSH txns from my simple wallet would take hours if not a day to get there
newbie
Activity: 20
Merit: 0
I think i messed up when trying to send coins to myself...

transfer 0 address 100000
Money successfully sent, transaction

They didnt show up in my wallet afterwords...any ideas?
sr. member
Activity: 386
Merit: 250
good to see DSH moving toward the bright future. Cheesy
newbie
Activity: 20
Merit: 0
I released Subtoshi about a month and a half ago, so Dashcoin could be traded.  Dashcoin has since been listed on Poloniex, and the trade volume on Subtoshi has dropped.  As of now, Subtoshi is costing me more to run than it is bringing in.  I am glad that Subtoshi was able to get Dashcoin trading going, but now that trading has died down, and for the reasons I stated before, I have decided to close down Subtoshi.  Thank you to everyone who used Subtoshi. I hope it provided useful.

The plan for Subtoshi's closing is as follows
Deposits will be disabled on October 26th, a week from today.
Trading will be disabled on October 31st.
After that, the exchange will remain open for withdrawals until December 31st.

I will have a more official announcement later on the website, and will be sending out an email regarding the closing of Subtoshi to everyone who has registered.

Very sad to hear this. I love the idea of subtoshi, the website was clean and error free. Pwstegman thanks for subtoshi AND pumping out a GUI wallet for this coin very quickly! I wish you luck on your future projects, especially if you are continuing to work on dsh.  I hope subtoshi can come back in the future if it could be profitable!
full member
Activity: 169
Merit: 100
I released Subtoshi about a month and a half ago, so Dashcoin could be traded.  Dashcoin has since been listed on Poloniex, and the trade volume on Subtoshi has dropped.  As of now, Subtoshi is costing me more to run than it is bringing in.  I am glad that Subtoshi was able to get Dashcoin trading going, but now that trading has died down, and for the reasons I stated before, I have decided to close down Subtoshi.  Thank you to everyone who used Subtoshi. I hope it provided useful.

The plan for Subtoshi's closing is as follows
Deposits will be disabled on October 26th, a week from today.
Trading will be disabled on October 31st.
After that, the exchange will remain open for withdrawals until December 31st.

I will have a more official announcement later on the website, and will be sending out an email regarding the closing of Subtoshi to everyone who has registered.
sr. member
Activity: 614
Merit: 254
Sending not working. Created new wallet still not working...
full member
Activity: 169
Merit: 100
Something wrong with the GUI wallet,it crashed and pop up a window saying running time error. Huh

What version of Windows are you running?  Also, could you please post the exact error message?  Thanks!
hero member
Activity: 605
Merit: 500
slb, interesting findings.. I have posted in the Minergate thread and sent a PM.. hopefully they fix the issue. I had a few cpu's pointed at minergate mining DSH which i've switched over to democats and xmining

I wonder what minergate gains by doing this if it was not an accident..
hero member
Activity: 605
Merit: 500
The Dashcoin Wallet GUI is here! Right now it is Windows only.  Mac and Linux builds will come later.  You can download it here:

http://sourceforge.net/projects/dashcoinwalletgui/files/latest/download

This version contains the following features.  It will be updated as more features are added:

  • Syncs blockchain with network
  • Can load/generate a wallet
  • Loads balance
  • Loads address
  • Lists transaction history (sends and receives)
  • Can send Dashcoin

Github: https://github.com/pwstegman/DashcoinWalletGUI

To import an already existing wallet, copy wallet.bin, wallet.bin.address.txt, and wallet.bin.keys to the same directory as the wallet GUI.  Rename the files to wallet.bin, wallet.bin.address.txt, and wallet.bin.keys if they are not already named that.

Awesome! Sending some coins your way Cheesy
full member
Activity: 169
Merit: 100
I have added the link the Dashcoin Wallet GUI github project to my original post.  I have also added it in this post.

https://github.com/pwstegman/DashcoinWalletGUI

For those trying to run on Linux, I experienced some issues while running the wallet under Linux, which I am working out.
newbie
Activity: 41
Merit: 0
I have some finding about the recent transaction problem. I knew what was the problem when I fixed my test pool - transactions with size bigger than 10,000 bytes were hardly accepted in the blockchain. I took my investigation further and here are my finding:

So what about transactions that never made it from pools like extremepool or even democats (or any of the open source pools)? Will those failed TXs ever be resent to miners that never received them or is it a manual process? I know extremepool won't be doing any manual payouts like that for me, I already asked. Between extremepool and democats I never received >50M DSH that should have made it to me.
I expect to complete the script for sending the payments later today or tomorrow. I already automated the process of getting the failed transactions and I am halfway through sending.

Awesome, thanks for looking into that and getting a fix. Will that only apply to your pool or should I contact other pools about it? Thanks again
slb
hero member
Activity: 598
Merit: 501
I have some finding about the recent transaction problem. I knew what was the problem when I fixed my test pool - transactions with size bigger than 10,000 bytes were hardly accepted in the blockchain. I took my investigation further and here are my finding:

So what about transactions that never made it from pools like extremepool or even democats (or any of the open source pools)? Will those failed TXs ever be resent to miners that never received them or is it a manual process? I know extremepool won't be doing any manual payouts like that for me, I already asked. Between extremepool and democats I never received >50M DSH that should have made it to me.
I expect to complete the script for sending the payments later today or tomorrow. I already automated the process of getting the failed transactions and I am halfway through sending.
newbie
Activity: 41
Merit: 0
I have some finding about the recent transaction problem. I knew what was the problem when I fixed my test pool - transactions with size bigger than 10,000 bytes were hardly accepted in the blockchain. I took my investigation further and here are my finding:

So what about transactions that never made it from pools like extremepool or even democats (or any of the open source pools)? Will those failed TXs ever be resent to miners that never received them or is it a manual process? I know extremepool won't be doing any manual payouts like that for me, I already asked. Between extremepool and democats I never received >50M DSH that should have made it to me.
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