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1  Bitcoin / Electrum / Re: Help me test new electrum server implementation on: July 07, 2014, 02:24:25 PM
Nice work!

Regarding sync speed: Bear in mind the python server implementation has a per address throtteling in place to avoid DoS. One of the shortcomings of the current python implementation is that one client with lots of addresses can hog server ressources to a point where all other clients are hanging in "sync" until the large request with lots of addresses is served. To avoid ressource hogging by one client throtteling per address was implemented and works rather well as a workaround.

[Edit: spelling]
2  Bitcoin / Electrum / Re: Minimal fee on: April 07, 2014, 07:31:17 PM
But without pools using 0.9.0 it won't matter  Huh

They'll probably be treated like no-fee TX by pools who have upgraded to 0.9.0 - at least now they have a chance to propagate where previously they'd only propagate if they matched the strict rules for no-fee tx. It's really experimental at this stage to get them into a block because even bitcoin-qt in core sets the old  0.0001 fee as default to send tx.
3  Bitcoin / Electrum / Re: Electrum 1.9.8 released on: March 18, 2014, 04:02:04 PM
Just to be sure: getutxoaddress does not work with multi signature outputs, right?

I believe it should work - there was a fix applied to servers especially for this. There may be some older v0.9 servers which run an old version of the database (v2) where it doesn't work. Can you test this with electrum.no-ip.org for example? This is an up2date server. If it works, can you please point out the servers which don't yet work?
4  Bitcoin / Electrum / Re: Electrum servers (Map) on: December 11, 2013, 08:43:49 PM
Thanks for the update. Nice map! Berlin has two servers BTW (eco-electrum.no-ip.org and electrum.no-ip.org). They look like one on the map, maybe you can move them next to each other like the Hetzner-Cluster
5  Bitcoin / Bitcoin Discussion / Re: Bitcoin-Qt / bitcoind version 0.8.6 released on: December 09, 2013, 03:40:36 PM
I'm running headless bitcoind on the Electrum server foundry ( http://foundry.electrum.org ) without problems. It all works as expected. It's nice to see some proper timestamps in the debug.log now.

One thing I noticed:
2013-12-09 14:22:59 Bitcoin version v0.8.6.0-g03a7d67-beta ()

-beta is probably not intended for a production release?
6  Bitcoin / Electrum / Re: Electrum server discussion thread on: December 06, 2013, 02:17:26 PM
There were quite a few more improvements to the server code in the past week! OPs are encouraged to git pull.

If you haven't pulled in a while: The server does no longer require bitcoind to be patched. You need run bitcoind with txindex=1 instead and may need to reindex once if you're adding the setting. Please see the HOWTO which is up2date: https://github.com/spesmilo/electrum-server/blob/master/HOWTO.md
7  Bitcoin / Electrum / Re: Electrum - Unverified Transaction on: November 11, 2013, 07:47:37 PM
This issue should be fixed in 1.9.3 - Win/Mac builds will be available some time this week.
8  Bitcoin / Electrum / Re: Known issues - Having problems? Check here if it's been already reported on: November 11, 2013, 07:46:38 PM
#372 is fixed in 1.9.3
9  Bitcoin / Electrum / Re: error: {u'message': u'TX rejected', u'code': -22} on: November 11, 2013, 07:44:24 PM
This issue should be fixed in 1.9.3 - Win/Mac builds will be available some time this week.
10  Bitcoin / Electrum / Re: error: {u'message': u'TX rejected', u'code': -22} is back HELP on: November 11, 2013, 07:42:10 PM
1.9.3 should be a lot better with less tx rejected errors. 1.9.x notifies you if the coins haven't matured and we were able to fix two bugs which prevented tx to be sent (dust change, signing after a tx was rejected)
11  Bitcoin / Electrum / Re: unable to send money, error -22 on: November 11, 2013, 07:37:56 PM
This issue should be fixed in 1.9.3 - Win/Mac builds will be available some time this week.
12  Bitcoin / Electrum / Re: Logging out? on: November 11, 2013, 07:36:56 PM
Yes, this is standard behaviour. The password is used to protect your private keys (the seed). It's needed when you want to send a transaction for example. If you want to protect your wallet from prying eyes consider putting it in a true-crypt volume or similar.
13  Bitcoin / Electrum / Re: Can't Spend from Updated Wallet on: November 11, 2013, 07:35:03 PM

There were some issues with dust output and signing after an error sending a transaction occured. 
Those should be fixed in 1.9.3 - Win/Mac builds will be available some time this week.
14  Bitcoin / Electrum / Re: Electrum "stuck" - showing unverified transactions on: November 11, 2013, 07:33:30 PM
This issue should be fixed in 1.9.3 - Win/Mac builds will be available some time this week.
15  Bitcoin / Electrum / Re: any spend = only ecda to crack on: October 01, 2013, 10:39:06 PM
The way I understand is as follows:

There is no way to determine (all) other public keys of a deterministic wallet from knowing a number of public keys belonging to it. You need the so called "master public key" (MPK) to do so (also known as wallet without a seed). If this becomes known and the rest of the assumption holds true then only ECDSA needs to be cracked, right.

However if the MPK and just ONE private key is leaked the other private keys can be derived.

So spending in electrum is no risk for the deterministic wallet. Leaking the MPK can become a problem - for your privacy and because only one private key is needed to break the rest.

TL;DR: using electrum to spend is no security risk for the vectors mentioned by the OP
16  Bitcoin / Electrum / Re: Electrum server discussion thread on: September 05, 2013, 12:02:09 AM
To server ops: You can upgrade to bitcoind 0.8.4 without any problems with the current electrum-server code. Just apply the known patch and compile.

I've updated the howto accordingly: https://github.com/spesmilo/electrum-server/blob/master/HOWTO.md
17  Bitcoin / Electrum / Re: Payment Transaction Bug on: September 04, 2013, 11:57:59 PM
The error code is issued by bitcoind refusing the rawtransaction from electrum-server. It's usually because the coins are already spent in some transactions already or are unconfirmed inputs.

It may also be because of the size of the transaction if you have lots of inputs and the fee. Try increasing the fee a little to say 0.0005 rather than 0.0001 and see if that makes a difference.
18  Bitcoin / Electrum / Re: Electrum "stuck" - showing unverified transactions on: August 30, 2013, 09:13:11 AM
If it persists over restarts - it's rare but possible that the blockchain_headers file got corrupted or it downloaded corrupted chunks. Please close electrum, find the blockchain_headers file, delete it and restart. It'll re-download it which will take a moment (20 MB) and then ideally it should fix your problem.
19  Bitcoin / Electrum / Re: Electrum "stuck" - showing unverified transactions on: August 19, 2013, 08:43:05 PM
Did you restart Electrum during these days or did you leave it running and set your PC / laptop to hibernate?

There are instances where a restart of the client ist needed to show transactions as verified...
20  Bitcoin / Electrum / Re: Funds disappeared from electrum. "pruned transaction outputs" on: August 13, 2013, 05:23:57 PM
If this is still an issue try changing the server and if that doesn't work recover from seed...
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