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Author Topic: [XMR] Monero - A secure, private, untraceable cryptocurrency  (Read 4625851 times)
Chicken_76
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November 12, 2017, 12:13:39 PM
 #36461

By the way, what is a sure way to identify blockchain corruption? Is there a command to make the daemon recheck all the blocks?

rescan_bc

I don't see that in the help:

Code:
help
Monero 'Helium Hydra' (v0.11.1.0-release)
Commands:
  alt_chain_info          Print information about alternative chains
  ban                     Ban a given IP for a time
  bans                    Show the currently banned IPs
  bc_dyn_stats            Print information about current blockchain dynamic state
  diff                    Show difficulty
  exit                    Stop the daemon
  flush_txpool            Flush a transaction from the tx pool by its txid, or the whole tx pool
  hard_fork_info          Print hard fork voting information
  help                    Show this help
  hide_hr                 Stop showing hash rate
  is_key_image_spent      Prints whether a given key image is in the spent key images set, is_key_image_spent <key_image>
  limit                   limit <kB/s> - Set download and upload limit
  limit_down              limit <kB/s> - Set download limit
  limit_up                limit <kB/s> - Set upload limit
  out_peers               Set max number of out peers
  output_histogram        Print output histogram (amount, instances)
  print_bc                Print blockchain info in a given blocks range, print_bc <begin_height> [<end_height>]
  print_block             Print block, print_block <block_hash> | <block_height>
  print_cn                Print connections
  print_coinbase_tx_sum   Print sum of coinbase transactions (start height, block count)
  print_height            Print local blockchain height
  print_pl                Print peer list
  print_pl_stats          Print peer list stats
  print_pool              Print transaction pool (long format)
  print_pool_sh           Print transaction pool (short format)
  print_pool_stats        Print transaction pool statistics
  print_status            Prints daemon status
  print_tx                Print transaction, print_tx <transaction_hash>
  q                       ignored
  relay_tx                Relay a given transaction by its txid
  save                    Save blockchain
  set_log                 set_log <level>|<categories> - Change current loglevel, <level> is a number 0-4
  show_hr                 Start showing hash rate
  start_mining            Start mining for specified address, start_mining <addr> [<threads>] [do_background_mining] [ignore_battery], default 1 thread, no background mining
  start_save_graph        Start save data for dr monero
  status                  Show status
  stop_daemon             Stop the daemon
  stop_mining             Stop mining
  stop_save_graph         Stop save data for dr monero
  sync_info               Print information about blockchain sync state
  unban                   Unban a given IP
  update                  subcommands: check (check if an update is available), download (download it if there is), update (not implemented)
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1594378397
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Chicken_76
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November 12, 2017, 12:25:06 PM
 #36462

rescan_bc

That's a wallet command.

@Chicken_76. You'd have to check bitmonero.log for any errors. See here (at the bottom):

https://monero.stackexchange.com/questions/4462/my-blockchain-is-stuck-how-do-i-unstuck-it

For a dedicated server that would be quite inconvenient. You would have to run something that scans the log file for that error, and on finding one, script a daemon stop, delete blockchain and daemon start.

Here's a proposal for a new daemon feature: a command that would pause syncing, scan the blockchain for corruption and in case there is some, delete every block starting with the first corrupted one and resync from that point. What do you guys think, is it worth adding? Unfortunately I have no C++ skills, or I would have added this myself.  Embarrassed
Hueristic
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November 13, 2017, 12:18:46 AM
Last edit: November 13, 2017, 01:24:45 AM by Hueristic
 #36463


I'm thinking as time goes by and the blockchain becomes bigger and bigger, the choice of filesystem for a node that handles many connections (open daemon for unlimited wallets) is going to be increasingly more important. You raise two points:

1. data integrity. For this copy-on-write filesystems are unmatched.

2. performance relative to one another being negligible. I beg to differ. Different filesystems handle fragmentation differently and that adds to the significant number of random reads for a node that has to handle a large number of wallet connections. For this I think filesystems without journal like ext2 might be fastest.

By the way, what is a sure way to identify blockchain corruption? Is there a command to make the daemon recheck all the blocks?

I would think God created ECC memory and parity drives for data integrity and you will always lose speed with security and integrity being your number one priority you cannot have both that is just the nature of the beast. The partitions are the lowest denominator that really has less bearing then benchmarks would have you believe.

I challenge you to setup multiple partitions and do a weeks real world comparison and doubt there would be any noticeable speed difference. Anyway I have been out of the industry for 17 years and have no desire to research a more specific answer for you but my previous years as a Senior Hardware Engineer is probably good enough for your purposes.


Thank you for dropping in and letting us know that you will never own this coin, do you do that for every coin or are we just Special?

LOL, that was nice  Cheesy




Smiley

smooth
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November 13, 2017, 02:54:57 AM
 #36464

By the way, what is a sure way to identify blockchain corruption? Is there a command to make the daemon recheck all the blocks?

When your node gets forked off the network. Since the entire network is synchronized and massively replicated, there is enormous redundancy and inherent error checking.

There is no real need to introduce additional redundancy or error checking at the node layer, although for a high availability service you might want to run multiple nodes and introduce some middleware to ensure they are in sync.
Gekkoo
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November 13, 2017, 03:04:39 AM
 #36465

Monero will be the next to show off his great strength and get great prices! I have some Monero and there is no reason to sell. Smiley
bitcrypto10101
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November 13, 2017, 09:31:17 AM
 #36466

Monero will be the next to show off his great strength and get great prices! I have some Monero and there is no reason to sell. Smiley
Of course. Hold is the key to success.
GröBkAz
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November 13, 2017, 09:40:28 AM
 #36467

how do you thing what price of XMR we may have in the end of the year?

atleast $170-200 i am expecting but there must be some stable trend
garytheasshole
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November 13, 2017, 09:48:08 AM
 #36468

Difficulty went up quite a bit, guess the GPUs are back on it.

jemiro
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November 13, 2017, 10:58:06 AM
 #36469

After 6 hours, 216 confirmations and counting still no wallet-exchange transfer. Not even a pending notice. After 6 hours too. All I did different was change the ringsize to 10. Is that normal? My other transfers took maybe 2 minutes.
dEBRUYNE
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November 13, 2017, 11:37:48 AM
 #36470

After 6 hours, 216 confirmations and counting still no wallet-exchange transfer. Not even a pending notice. After 6 hours too. All I did different was change the ringsize to 10. Is that normal? My other transfers took maybe 2 minutes.

Which wallet are you using and are you using a local node or a remote node? Also, did you try to restart it?

Privacy matters, use Monero - A true untraceable cryptocurrency
Why Monero matters? http://weuse.cash/2016/03/05/bitcoiners-hedge-your-position/
jemiro
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November 13, 2017, 12:25:49 PM
 #36471

After 6 hours, 216 confirmations and counting still no wallet-exchange transfer. Not even a pending notice. After 6 hours too. All I did different was change the ringsize to 10. Is that normal? My other transfers took maybe 2 minutes.

Which wallet are you using and are you using a local node or a remote node? Also, did you try to restart it?

Latest Hydra wallet. Several reboots. Both the localhost node on 18081 and the node.moneroworld.com on 18089.

This morning I noticed the bc is trying to synch but it's crawling. The wallet is also showing a much higher wallet balance than I should have but I can't send a smaller amount that I should have. 
Hueristic
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November 13, 2017, 06:22:13 PM
 #36472

Just an FYI guys, not all keyboards are created equally! Hah this is no surprise, cherish those 486's and old mechanical input devices. Smiley


keyboard found to contain hidden keylogger

https://www.techspot.com/news/71768-popular-budget-mechanical-keyboard-found-contain-hidden-keylogger.html

Temporel
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November 13, 2017, 09:52:28 PM
 #36473

Just an FYI guys, not all keyboards are created equally! Hah this is no surprise, cherish those 486's and old mechanical input devices. Smiley


keyboard found to contain hidden keylogger

https://www.techspot.com/news/71768-popular-budget-mechanical-keyboard-found-contain-hidden-keylogger.html

except it was debunk, there is no keylogger inside this keyboard...

Quote
Updated, 11/7/2017, 8:40am PT: An earlier version of the article stated that the keyboard's software was sending key presses. However, in a closer look, it seems that the Cloud Driver software doesn't send the key presses to the Alibaba server but only how many times each key has been pressed.

http://www.tomshardware.com/news/mantistek-gk2-collects-typed-keys,35850.html
garytheasshole
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November 13, 2017, 09:57:56 PM
 #36474

Just an FYI guys, not all keyboards are created equally! Hah this is no surprise, cherish those 486's and old mechanical input devices. Smiley


keyboard found to contain hidden keylogger

https://www.techspot.com/news/71768-popular-budget-mechanical-keyboard-found-contain-hidden-keylogger.html

except it was debunk, there is no keylogger inside this keyboard...

Quote
Updated, 11/7/2017, 8:40am PT: An earlier version of the article stated that the keyboard's software was sending key presses. However, in a closer look, it seems that the Cloud Driver software doesn't send the key presses to the Alibaba server but only how many times each key has been pressed.

http://www.tomshardware.com/news/mantistek-gk2-collects-typed-keys,35850.html
Well key occurrences  along with if you have the timestamps of the keys pressed, depending how frequently stats get pushed home, you could make a list of probable words typed.

FujiMuji
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November 14, 2017, 08:16:40 PM
 #36475

A pity for me Monero doesn't have the bounty campaign.  this coin is my real loved coin, the first I knew

real privacy transaction! all people can benefit.
TheFuzzStone
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November 14, 2017, 08:51:24 PM
 #36476

Monero doesn't have the bounty campaign. 

... and this is awesome!  Cheesy

Wanna earn some XMR? Do something useful for the community.

Globb0
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November 14, 2017, 08:59:20 PM
 #36477

Just an FYI guys, not all keyboards are created equally! Hah this is no surprise, cherish those 486's and old mechanical input devices. Smiley


keyboard found to contain hidden keylogger

https://www.techspot.com/news/71768-popular-budget-mechanical-keyboard-found-contain-hidden-keylogger.html

except it was debunk, there is no keylogger inside this keyboard...

Quote
Updated, 11/7/2017, 8:40am PT: An earlier version of the article stated that the keyboard's software was sending key presses. However, in a closer look, it seems that the Cloud Driver software doesn't send the key presses to the Alibaba server but only how many times each key has been pressed.

http://www.tomshardware.com/news/mantistek-gk2-collects-typed-keys,35850.html
Well key occurrences  along with if you have the timestamps of the keys pressed, depending how frequently stats get pushed home, you could make a list of probable words typed.

It would seem if you only log in then largely use the mouse for browsing, they could get a pretty good anagram of your password after a few months.

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dEBRUYNE
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November 14, 2017, 10:32:00 PM
 #36478

After 6 hours, 216 confirmations and counting still no wallet-exchange transfer. Not even a pending notice. After 6 hours too. All I did different was change the ringsize to 10. Is that normal? My other transfers took maybe 2 minutes.

Which wallet are you using and are you using a local node or a remote node? Also, did you try to restart it?

Latest Hydra wallet. Several reboots. Both the localhost node on 18081 and the node.moneroworld.com on 18089.

This morning I noticed the bc is trying to synch but it's crawling. The wallet is also showing a much higher wallet balance than I should have but I can't send a smaller amount that I should have. 

To clarify, you sent from your wallet to the exchange right? Also, which operating system are you using?

Privacy matters, use Monero - A true untraceable cryptocurrency
Why Monero matters? http://weuse.cash/2016/03/05/bitcoiners-hedge-your-position/
Andretti83
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November 14, 2017, 11:12:26 PM
 #36479

After seeing this I think coinhive might gain more popularity as a donation option and less as ad replacement option.

https://donations.starcitizen.tools/

kamilo
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November 14, 2017, 11:45:44 PM
 #36480

What are advanteges of your coin expect security.What are other innovations?
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