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1  Bitcoin / Electrum / Re: electrum received transaction with 0BTC instead of 0.275 on: January 29, 2018, 09:45:11 PM
Check the receiving address(s) on an online blockchain explorer. If you know the amount of BTC you received you can find immediately your transaction and the Txid. Else find the completed transaction before the one showed with 0 BTC and the one after.
2  Bitcoin / Electrum / Re: electrum received transaction with 0BTC instead of 0.275 on: January 29, 2018, 10:51:37 AM
I can confirm the same issue with Electrum 3.0.5 desktop. In history tab the transaction shows up with 0 BTC, though I can see the transaction on a blockchain explorer. The right click option to get details or to view the transaction on a blockchain explorer is not working inside Electrum app.  Electrum status is "synchronizing"  and never completes. What I did, but with nothing changed:

1) Selected a  different server. Did it multiple times
2) Exported the private key. Imported it as new wallet: the same result, in the history tab that transaction is still receiving 0 BTC. Electrum is "Synchronizing" but never finishes.
3) Removed Electrum. Installed it again.
4) Recover from seed on a different machine, clean installation OS.

What I am thinking to try is to sweep the private keys in an other wallet, eg Greenaddress. Anyone else shares the same possible solution?
3  Bitcoin / Electrum / Re: Can't broadcast signed transaction on: April 03, 2017, 06:03:36 PM
idk how this could help. Basically what I understood is that for some reasons a bitcoin address from my wallet doesn't get it's correct private key. Or vice-versa. Correct me if I am wrong please. 
4  Bitcoin / Electrum / Re: Can't broadcast signed transaction on: April 03, 2017, 02:13:03 PM
I'll quote this post from an other thread cause is describing the best the problem. I've updated electrum from git to 2.8.3 and restoring it from seed didn't help either. It restored only the spent coins and the balance isn't the correct one.

Well, frankly I don't really know how to go through all the steps @crazylol posted bellow.

Hi All!

We have a strange problem with electrum-wallet.

Facts: We have 10 electrum-daemons 2.7.18, which run under different users on one server. JSON-requests to this daemons are balanced by nginx. All works fine about the month (without restart), but recently we wanted to update our wallets to 2.8.2. After command electrum daemon stop balance of 5 wallets out of 10 became 0. Then, i started electrum daemons again, and in 5 of 10 wallets balance became much less than should be.
Ok, I tried to restore this wallets from seed, but, unfortunately, balance was like after reboot.

Investigation: Fortunally, all addresses, which were used for payment requests were stored in 2 places - in wallet_file and on the filesystem. Grep on payment requests showed more than 700 addresses, which were used for this requests, but electrum listaddresses showed me less than 300 addresses.

Next, I took one random address from 700 and said electrum ismine _thisaddress_, result was false. I manually added this address in wallet_file in tag "addresses":"receiving", and after that result of electrum ismine _thisaddress_ became true.

Ok, next I tried to send BTC from this address and received an error: 'code': -26, 'message': '16: mandatory-script-verify-flag-failed (Script failed an OP_EQUALVERIFY operation) - this error means "error in sign of transaction". Sending BTC from addresses, restored from seed, was fine.

Next, I tried to export private key of _thisaddress_. It was ok, but, when I tried to import it to new wallet, I saw, that address of this private key did not match with _thisaddress_. I think, that this situation and error: 'code': -26 have one reason.

Next, I exported all 700+ addresses from payment requests, flushed tag "addresses":"receiving" in wallet_file and manually added all this addresses in this tag. After that, I exported all private keys from this wallet and imported them to new wallet. The balance of new wallet became correct and I could send BTC from this addresses.

Question: Why did this happen? Smiley
5  Bitcoin / Electrum / Re: Can't broadcast signed transaction on: April 03, 2017, 06:23:32 AM
Importing private keys for that address simply doesn't work. I am able to import that key, but the balance is null. The problem is described in the thread you've posted above. I will try with an older version. Thanks.
6  Bitcoin / Electrum / Re: Can't broadcast signed transaction on: April 02, 2017, 09:47:31 AM
My silly question is how do I recover my coins?
7  Bitcoin / Electrum / Re: Can't broadcast signed transaction on: April 01, 2017, 09:16:49 AM
the coins are stored on three change addresses.

Do any of those addresses have a red letter U next to them when you check them on blockchain.info? The top address in the example below shows a red letter U to indicate that its inputs are unconfirmed. If one or more of your addresses shows a red letter U then the problem might be due to an unconfirmed input, otherwise the problem's caused by something else.



Nope, there is no U letter near any of those addresses.

It doesn't seem to be a problem with his outputs and their confirmation. I have found a similar problem on the repository here: https://github.com/spesmilo/electrum/issues/2242 and the problem seems to be coming from the signing process and the bug should have been fixed in the latest version.

edit: similar https://bitcointalk.org/index.php?topic=1849541.0

Yeap, I think I have exact the same problem. Thanks for posting.
8  Bitcoin / Electrum / Can't broadcast signed transaction on: March 31, 2017, 07:49:07 PM
Hello,


I've started a transaction with Electrum 2.8.2 on Windows. Next I've signed it with Electrum 2.8.2 on Linux, cold storage,  and it looks like the signing processes is successful.  As soon as I try to broadcast it all I am getting this error:

"The transaction was rejected by network rules. (16: mandatory-script-verify-flag-failed (Script failed an OP_EQUALVERIFY operation))"

I've connected the PC to Internet and tried one more time to send the coins directly from that wallet. All I get is: "The transaction was rejected by network rules. (16: mandatory-script-verify-flag-failed (Script failed an OP_EQUALVERIFY operation))"

As I observed, the coins are stored on three change addresses. One of them is red. Gap was increased. I've tried to add $1 to each of those addresses - the balance is updating.

Next I've tried to sweep the private keys and the only thing I get is "No inputs found (Note that inputs need to be confirmed)"

Is it there any chance to recover those funds?
Thank you in advance. Any advice would be much appreciated.

EDIT: I've noticed a similar thread on reddit. So I am not the only one with the same problem. Hope to get it fixed.
9  Bitcoin / Electrum / Re: Can't find my BTC after restoring from seed on: January 30, 2017, 07:41:29 PM
Try the ismine command again now that you've increased the gap limit.

Tried....it's still false. I remember a strange error I had when I tried to make a small payment, in the same day, from the same wallet. Don't remember all details and Google is not helping me neither but it was : you are violating network rules and the error's number was 16.

To be mentioned: meanwhile I've received one more transaction into that wallet and I was able to transfer out the funds. After this last transaction I will not use this wallet anymore. It's still beyond my knowledge how I lost that 1 BTC Sad
10  Bitcoin / Electrum / Re: Can't find my BTC after restoring from seed on: January 29, 2017, 07:27:50 PM
UPDATE: I've tried the Mnemonic Code Converter, unfortunately I was not able to find any of my address from that wallet. Definitely I will try other settings for that tool tomorrow. Thank you all who involved. 

Don't do that. You shouldn't be entering your seed on any sites! Your seed should always be kept secret.

Please open your restored wallet in electrum, press ctrl+A to bring the addresses tab into view and then  tell me whether there are any familiar address listed there.

Also what version of electrum did you use to originally create this wallet? 2.7.18?

Did you increase the gap limit of your wallet?

The wallet was created with electrum 2.6.4, The gap, indeed was increased, after restoring the wallet I've increased it again with 1000 as I did it before. No luck again. I really want to understand what happened with my coins and how to avoid this particular situation in the future.

Are you sure that 1HtDHigRkCPs1Ux6MPhXZ3N85i6ASnm1uA was previously in your wallet and that Electrum was showing your coins?

If so, it sounds like you restored the wrong seeds as the wallet.is_mine command should have returned true if you owned that address. Is it possible that you have multiple seeds and restored the wrong ones?

I am 100% sure I restored the correct seed. Before I've started the transaction, my balance was 5.45887085. Next I made only transaction and it was 4.368099. So "1HtDHigRkCPs1Ux6MPhXZ3N85i6ASnm1uA " would be a change address if I understand it correctly.

After restoring my wallet from seed I've noticed that my last transaction was -5.45887085 and my balance is 0. Before hardware fail the last transaction displayed was -4.368099 and my balance 1.09077


11  Bitcoin / Electrum / Re: Can't find my BTC after restoring from seed on: January 27, 2017, 04:14:33 PM

OK you can try a few things:

- In case you haven't already done so enable multiple change addresses in your restored wallet too. Tools > preferences i  think.

- Change the server you connected to. Tools > network. See if that fixes the balance

- Run the following command on the console tab and tell us what it outputs:

Code:
wallet.is_mine("1HtDHigRkCPs1Ux6MPhXZ3N85i6ASnm1uA")



Thanks for a really quick reply. There multiple address change were enabled. I've tried early to change the server, tried it again now - the result is the same. The output from console is "False" when I running the command wallet.is_mine

I recently stumbled upon this Mnemonic Code Converter. Try it (offline from a LIVE CD!), see if this gives you your addresses and keys.

Thank you! I'll give it a try and will get back.


UPDATE: I've tried the Mnemonic Code Converter, unfortunately I was not able to find any of my address from that wallet. Definitely I will try other settings for that tool tomorrow. Thank you all who involved.  
12  Bitcoin / Electrum / Can't find my BTC after restoring from seed on: January 27, 2017, 03:43:45 PM
Hello,

So here is my transaction: 432251090ecb7f0b18f69d1854981dae60269b55649ac2fb9a0b337556a7b83d

I've sent some coins and yesterday the transaction was marked as "Verified". My balance was 1.09077109. I had the terrible bad-luck to find my PC is not booting anymore as my SSD simply died. So no backups of my wallet.dat or anything else. Just my seed on paper.

The first thing I've done is trying to restore my wallet using my seed. And as some may know already, I found that my balance is 0.

Is it any way to get those coins back to my wallet? Any help will be much appreciated.

Thank you!

p.s. Electrum 2.7.18. Multiple address change were enabled. Dynamic fees as well enabled.
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