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Author Topic: overflow bug SERIOUS  (Read 35590 times)
knightmb
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August 15, 2010, 10:13:43 PM
 #21

Oh, yeah, just noticed this topic. I can't remember when those block chains were snapshot, but I'll update it to be more descriptive (like block 64,000, etc.)

Good thing I keep those around.  Grin

My web server sits on a fiber, so it won't be a big deal everyone starts to download those files at once (at least for the more technical people).

[edit] Shutting down all the remaining servers and super-nodes I left running. Hope that helps.

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August 15, 2010, 10:17:25 PM
 #22

knightmb, do you still have any of your monster network available to turn on to help build the new valid chain?
knightmb
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August 15, 2010, 10:18:17 PM
 #23

knightmb, do you still have any of your monster network available to turn on to help build the new valid chain?
Not anymore, was shutdown on the last day of the month for July, all I have left are about a 2 dozen servers, but near nothing of what I had before.

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August 15, 2010, 10:27:26 PM
 #24

Here's something for your Signature if you're interested.

Code:
[i][color=red][b]*** WARNING ***[/b][/color]  DO NOT TRUST ANY TRANSACTIONS THAT HAPPENED AFTER 15.08.2010 17:05 UTC (block 74638). We are investigating a problem. ([url=http://bit.ly/afalQU]more[/url])[/i]

I shortened the URL since the signature can only contain 300 characters. Also, can we get some color on the news warning? It's not very noticeable.

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knightmb
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August 15, 2010, 10:30:23 PM
 #25

I can build a block chain to the desired number using a combo of the old block chain and a client with the latest block chain (minus the bad stuff), what number should I shot for?

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August 15, 2010, 10:31:07 PM
 #26

74637 is the last good block

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knightmb
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August 15, 2010, 10:34:03 PM
 #27

74637 is the last good block
Ok, good, I've relabeled the old block chain on my site, I'll try to get as close to that number as I can. Basically, I'm just loading up two clients, one with the old chain, another with the sorta bad chain at the end. I'm going to let the first client get as close to the number as I can before stopping it. Then snapshot off that block chain. Since it does about 500 at a time, I'll probably be able to get it close to 74,501

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August 15, 2010, 10:35:48 PM
 #28

i'v got one of a w7-machine count 74602, if that helps.

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August 15, 2010, 10:44:55 PM
 #29

I already said that I have it right at 74637.

Satoshi said it needs to be before 74,000
So long as a the person who creates it has a patched client and downloads the whole chain, optimally from another computer on their local network, then it should stop at the right place automatically.

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August 15, 2010, 10:52:47 PM
 #30

Satoshi said it needs to be before 74,000
He didn't, he said "you'll want one", not that it needs to be, a little different.
and if "..Only the blocks including and after the invalid block are invalid. All previous blocks are valid..", it doesn't need to be before 74000.

just wanted to save knightmb some time, but yours is bigger than mine anyway.  Grin

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August 15, 2010, 10:58:08 PM
 #31

Don't update the block chain download.  When you take someone's block chain download, you don't want it right up to the end.  A somewhat old one is better so it can download and verify the most recent blocks.

tcatm's 4-way SSE2 SHA-256 is in the file sha256.cpp and already uploaded a few revs ago.

I just now uploaded rev 134 which is the makefile.unix that enables building with it on Linux.  If you build rev 134 on Linux now you'll get the -4way switch.

If you have problems building because of it, then edit makefile.unix and:
- remove -DFOURWAYSSE2
- remove obj/sha256.o from the end of these lines:
bitcoin: $(OBJS) obj/ui.o obj/uibase.o obj/sha256.o
bitcoind: $(OBJS:obj/%=obj/nogui/%) obj/sha256.o

The 0.3.10 linux build will have the -4way option when I build it.

Here are the patch downloads for Windows:

http://www.bitcoin.org/download/bitcoin-0.3.10-win32-setup.exe
http://www.bitcoin.org/download/bitcoin-0.3.10-win32.zip

SHA1 16645ec5fcdb35bc54bc7195309a1a81105242bb bitcoin-0.3.10-win32-setup.exe
SHA1 4f35ad7711a38fe8c880c6c9beab430824c426d3 bitcoin-0.3.10-win32.zip

Steps:
1) Shut down.
2) Download knightmb's blk files and replace your blk0001.dat and blkindex.dat files.
http://knightmb.dyndns.org/files/bitcoin/blocks/
http://rapidshare.com/files/413168038/BitcoinBlocks.torrent
3) Upgrade to 0.3.10.
4) It should start out with less than 74000 blocks and redownload the rest.

Or if you don't want to mess with downloading blk files, you can just do this:

1) Shut down.
2) Delete (or move) blk*.dat
3) Upgrade to 0.3.10.
4) It redownloads all blocks, probably take about an hour.


knightmb
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August 15, 2010, 10:59:04 PM
 #32

Yeah, a little confusing  Huh

So I don't need to create one, or do I need to take what you guys already have and just throw it up on the FTP?

Can you dump block data from a windows machine onto a Linux/Mac machine?

[edit] Just saw your post, I'll build one to less than 74,000 then, should at least save you technical people a few minutes of downloading the new chain.  Wink

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August 15, 2010, 10:59:31 PM
 #33

I can't stand the suspense! Do any Jr. Members or higher happen to have an unofficial SVN rev 134 Linux 64-bit build compiled that they'd be willing to share? Yeah, I know the official build is about to be released in a few minutes. It's not terribly important.

Edit: Updated the SVN version number as per satoshi's comment a moment ago.


Ah, never mind. Since the SVN version was just updated and the Windows builds were just released, I'll wait. Embarrassed

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satoshi
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August 15, 2010, 11:17:24 PM
 #34

[edit] Just saw your post, I'll build one to less than 74,000 then, should at least save you technical people a few minutes of downloading the new chain.  Wink
Just leave the old one alone!  Older is better.  What block number is it?  Anywhere from 60000-74000 is good.  The one that you've had available for a while has been vetted and is the best choice.
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August 15, 2010, 11:18:34 PM
 #35

I just used your old file knightmb and on a rather old system it didn't take me very long to catch up, so I'm inclined to say "don't bother".

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theymos
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August 15, 2010, 11:21:06 PM
 #36

What block number is it?

It's around 67k. It only took me about 3 minutes to get to the current block.

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August 15, 2010, 11:32:43 PM
 #37

I think that you should add something about this: http://bitcointalk.org/index.php?topic=259.0
There must be a label on the client that show a warning message if needed Smiley
Now everyone have always to check the website, and I think that this is bad.

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knightmb
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August 15, 2010, 11:35:39 PM
 #38

Cool, works for me!  Grin

satoshi
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August 15, 2010, 11:36:10 PM
 #39

Starting at 67000 is perfect.  

Yeah, at the moment you'll stop at 74638.  It should start slowly creeping up as more nodes upgrade and generate.

Linux build links below.

The Linux version includes tcatm's 4-way SSE2 SHA-256 that makes generating faster on i5 and AMD CPU's.  Use the "-4way" switch to enable it and check if it's faster for you.

Download links:
http://www.bitcoin.org/download/bitcoin-0.3.10-win32-setup.exe
http://www.bitcoin.org/download/bitcoin-0.3.10-win32.zip
http://www.bitcoin.org/download/bitcoin-0.3.10-linux.tar.gz

SHA1 16645ec5fcdb35bc54bc7195309a1a81105242bb bitcoin-0.3.10-win32-setup.exe
SHA1 4f35ad7711a38fe8c880c6c9beab430824c426d3 bitcoin-0.3.10-win32.zip
SHA1 e3fda1ddb31b0d5c35156cacd80dee6ea6ae6423 bitcoin-0.3.10-linux.tar.gz
satoshi
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August 15, 2010, 11:37:07 PM
 #40

I think that you should add something about this: http://bitcointalk.org/index.php?topic=259.0
There must be a label on the client that show a warning message if needed Smiley
Now everyone have always to check the website, and I think that this is bad.
Agree, wanted to do that for a long time, haven't had time to do it.

For now, you could also subscribe to the bitcoin-list mailing list.  It rarely gets used except for announcements like this and major new versions.

Subscribe/unsubscribe page:
http://lists.sourceforge.net/mailman/listinfo/bitcoin-list
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