Electrum - Bitcoin client for the common users (friendly and instant)

[brunozisterer]

Thank's ThomasV.
So I only need to keep the seeds, and with the seeds I have my privat key.  

Can anybody tell me in which folder are my private keys stored at the electrum wallet ?
And can I make a copy (like the wallet.dat) on the Bitcoin client to secure them ?

the whole point about this client is that private keys are not stored in the wallet.
they are derived from your seed.

[BobbyJo]

This is really good.  Great user inteface.  I love this wallet!

[flatfly]

This is really good.  Great user inteface.  I love this wallet!

Thanks for your post, I'm sure Electrum's developers appreciate this kind of feedback
Just curious, are you talking about the 'Classic' or 'Lite' user interface? Or both? 

[molecular]

experienced some connection problems (just wouldn't connect most of the time). I managed to get a tx out when it was connected (although the gui froze after hitting send, so I killed the process).

now electrum doesn't want to start any more, I think I shot the wallet?

#> ./electrum
Traceback (most recent call last):
  File "./electrum", line 119, in <module>
    wallet.read()
  File "/data/bitcoin/electrum/lib/wallet.py", line 716, in read
    self.update_tx_history()
  File "/data/bitcoin/electrum/lib/wallet.py", line 887, in update_tx_history
    self.update_tx_labels()
  File "/data/bitcoin/electrum/lib/wallet.py", line 892, in update_tx_labels
    if tx['value']<0:
KeyError: 'value'

[Tachikoma]

Sending transactions can take up to 30 seconds in my experience. I don't know what could have happened but it could be that your wallet is damaged. Thomas might have a better clue

[ThomasV]

experienced some connection problems (just wouldn't connect most of the time). I managed to get a tx out when it was connected (although the gui froze after hitting send, so I killed the process).

now electrum doesn't want to start any more, I think I shot the wallet?

I think there are some unexpected problems with the new (pruning) servers and old versions of the client.
I suggest you upgrade to I.5.
some problems were reported with 1.5 too, I am trying to fix them asap.

[molecular]

experienced some connection problems (just wouldn't connect most of the time). I managed to get a tx out when it was connected (although the gui froze after hitting send, so I killed the process).

now electrum doesn't want to start any more, I think I shot the wallet?

I think there are some unexpected problems with the new (pruning) servers and old versions of the client.
I suggest you upgrade to I.5.
some problems were reported with 1.5 too, I am trying to fix them asap.

I did a git pull 2 days ago. Is "git://gitorious.org/electrum/electrum.git" correct repo?

EDIT: AAARGH, I'm still on that ancient repo on that machine ;(

git://github.com/spesmilo/electrum is correct, right?

[ThomasV]

experienced some connection problems (just wouldn't connect most of the time). I managed to get a tx out when it was connected (although the gui froze after hitting send, so I killed the process).

now electrum doesn't want to start any more, I think I shot the wallet?

I think there are some unexpected problems with the new (pruning) servers and old versions of the client.
I suggest you upgrade to I.5.
some problems were reported with 1.5 too, I am trying to fix them asap.

I did a git pull 2 days ago. Is "git://gitorious.org/electrum/electrum.git" correct repo?

EDIT: AAARGH, I'm still on that ancient repo on that machine ;(

git://github.com/spesmilo/electrum is correct, right?

yes. I tried to delete the gitorious repo a few times, but I got a server error (500)

[molecular]

experienced some connection problems (just wouldn't connect most of the time). I managed to get a tx out when it was connected (although the gui froze after hitting send, so I killed the process).

now electrum doesn't want to start any more, I think I shot the wallet?

I think there are some unexpected problems with the new (pruning) servers and old versions of the client.
I suggest you upgrade to I.5.
some problems were reported with 1.5 too, I am trying to fix them asap.

I did a git pull 2 days ago. Is "git://gitorious.org/electrum/electrum.git" correct repo?

EDIT: AAARGH, I'm still on that ancient repo on that machine ;(

git://github.com/spesmilo/electrum is correct, right?

yes. I tried to delete the gitorious repo a few times, but I got a server error (500)

you could empty it, maybe, delete all files?

[Red Emerald]

I really like electrum, but I'm torn between it and Armory.  I like the codebase and stability of electrum, but the UI and detailed descriptions of Armory are really great.

There are a few things that I would really like to see in electrum.  I wish I had the time to code myself, but I am willing to start a bounty.

1) Multi-wallet support.

You can choose a wallet on startup, but I want to see multiple wallets in the GUI at the same time.  Specifically, I would like to have a hot wallet (encrypted private keys), a offline wallet (private keys on another computer), and long term storage (private keys on paper).

2) "sendmany"

Armory does this really well and even supports sending to wallets so moving funds around is really easy.  They even have a donate button that is really easy to use right in the send window.

3) Offline transactions that work like Armory

I know that electrum already has offline transactions, but they kind of scare me a bit with copying the wallet file around.  I have to triple-check to make sure I did it right and I'm not sending the hot wallet around by accident.  Armory on the other hand creates an unsigned transaction on the untrusted computer and that gets passed around instead.  Would it be possible for electrum to work like this?

[ThomasV]

1) Multi-wallet support.

Animazing has plans to implement it, but that might take some time.
in the meantime, may I remind you that you can open as many electrum windows as you want simultaneously.

2) "sendmany"

that's easy to do.

3) Offline transactions that work like Armory

I know that electrum already has offline transactions, but they kind of scare me a bit with copying the wallet file around.  I have to triple-check to make sure I did it right and I'm not sending the hot wallet around by accident.  Armory on the other hand creates an unsigned transaction on the untrusted computer and that gets passed around instead.  Would it be possible for electrum to work like this?

yes, that makes sense

[Michael_S]

3) Offline transactions that work like Armory

I know that electrum already has offline transactions, but they kind of scare me a bit with copying the wallet file around.  I have to triple-check to make sure I did it right and I'm not sending the hot wallet around by accident.  Armory on the other hand creates an unsigned transaction on the untrusted computer and that gets passed around instead.  Would it be possible for electrum to work like this?

yes, that makes sense

I had the same wish also on my mind.

[stepkrav]

I've installed version 1.0 with the git and compiling method. How may i upgrade to 1.5.1 now?

Edit : Actually i used git pull git://github.com/spesmilo/electrum.git and then followed the procedure according to site. So i get these :

Code:

python mki18n.py
xgettext -s --no-wrap -f app.fil --output=locale/messages.pot
sh: 1: xgettext: not found
Traceback (most recent call last):
  File "mki18n.py", line 41, in <module>
    f = open(os.path.join('locale', 'messages.pot'),'r')
IOError: [Errno 2] No such file or directory: 'locale/messages.pot'

and

Code:

electrum 
Traceback (most recent call last):
  File "/usr/local/bin/electrum", line 145, in <module>
    set_verbosity(options.verbose)
NameError: name 'set_verbosity' is not defined

[Tachikoma]

I'm going to assume you are on Ubuntu. Try an apt-get install gettext and running all the commands again. If you don't install it system wide be sure to launch it with ./electrum from your source folder.

[stepkrav]

I'm using debian. Installing gettext made the trick. Thanks.

How may i install it system wide, so as not to give ./electrum in the source folder?

[Pontius]

How may i install it system wide, so as not to give ./electrum in the source folder?

Code:

su root -c "python setup.py install"

or

Code:

sudo python setup.py install

Whatever fits your setup best...

[stepkrav]

right.
i did  "sudo python setup.py install"

but as i wrote before i get this :

Code:

electrum 
Traceback (most recent call last):
  File "/usr/local/bin/electrum", line 145, in <module>
    set_verbosity(options.verbose)
NameError: name 'set_verbosity' is not defined

[Tachikoma]

Does it run if you issue ./electrum from the source folder?

[stepkrav]

Does it run if you issue ./electrum from the source folder?

yes.

Code:

~/electrum$ ./electrum 

works just fine.

[Tachikoma]

Then the only logical conclusion is that the "sudo python setup.py install" command failed.