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Topic: about unconfirmed transaction (Read 580 times)

legendary
Activity: 2268
Merit: 18711
March 02, 2021, 06:05:56 AM
#43
Well found. I also just rebroadcast it on blockchair.com, and it is showing up there currently.

Having a quick look at the parents, the issue with this transaction is the same as the other one. Although this transaction pays 151 sats/vbyte, I've found an unconfirmed parent with 907 inputs, which is 82,292 vbytes and only pays a fee of 3 sats/vbyte.

Whoever is making these transactions has picked a very bad time to try to consolidate their inputs.
legendary
Activity: 3668
Merit: 6382
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March 02, 2021, 05:47:45 AM
#42
These rebroadcasting services can only rebroadcast a transaction from its transaction ID if they have the transaction in their mempool already.

This is obvious.

From searching for his second transaction, I cannot find it in any mempool.

I thought that you talk about fe682ab28ecdb3bc82498af0c7730e2fcb0cf8563c6fc88cc2367c16aa3624a0
I've checked more and I guess that you were talking about b405185bc699d24a611cb25aeb3347159235c968bbb0d58a8c98cc1b96cd6ccf which indeed is rara avis.
But I can always rely on chain.so to find such transactions and again it doesn't disappoint  Wink

Is the hex tx from here enough for re-broadcasting it?

Edit: I've re-broadcasted it, the hex tx worked with coinb.in
legendary
Activity: 2268
Merit: 18711
March 02, 2021, 05:39:33 AM
#41
These rebroadcasting services can only rebroadcast a transaction from its transaction ID if they have the transaction in their mempool already. From searching for his second transaction, I cannot find it in any mempool. If he wants to broadcast it, he'll need a copy of of full transaction. You cannot broadcast a transaction from scratch using just the transaction ID.
legendary
Activity: 3668
Merit: 6382
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March 02, 2021, 05:20:23 AM
#40
If you have a copy of the second transaction then you can rebroadcast it. If not, you'll need to ask the sender to rebroadcast it.

Why would he need a copy of the transaction?
There are websites that re-broadcast for free (although the name would suggest accelerate) and all you need to know is the tx ID.
Of course, I don't own any of them and I don't know how good they work, but I think that it was bitaccelerate.com I've used once in the past and it worked.
legendary
Activity: 2268
Merit: 18711
March 02, 2021, 05:09:12 AM
#39
Yeah, you are kind of stuck with the one due to the huge size of the unconfirmed parents. To boost the entire fee up to somewhere in the region of 40-50 sats/vbyte, you would need to do a CPFP and pay a total fee of around 1,500,000 sats, or 0.015 BTC. And as with nc50lc, that assumes no unconfirmed parents higher up. Realistically, you are just going to have to wait for the mempool to empty for this to be confirmed.

If you have a copy of the second transaction then you can rebroadcast it. If not, you'll need to ask the sender to rebroadcast it.
legendary
Activity: 2534
Merit: 6080
Self-proclaimed Genius
March 02, 2021, 01:35:27 AM
#38
Hello, here is around 6 days, I bought some bitcoin, after they sent them, I did not receive anything because the transactions remain unconfirmed for 1 week.
In addition, only one of the two appears in the blockchain, one of the two seems to be in another blockchain (mempool)
The problem is: despite the very high fee rate of those two transactions, their parent transactions are both unconfirmed with very low fee rate.
So miners are considering them as "bundle" parent and child transactions, and the fee rate will be based from their total size and fee.

Your transaction: 6cdb98f9c86ef7902ee991d44e013307662086322dc41ee392584daac8b12d11 with 100.1 sat/vB fee rate has two inputs which are both unconfirmed, namely:
1. 0ba52bed104cea1075754f783867d423ae9510bd4d6fb3f3905aaf7e1862fd9d @ 7.0 sat/vB.
2. fe682ab28ecdb3bc82498af0c7730e2fcb0cf8563c6fc88cc2367c16aa3624a0 @ 10.0 sat/vB.

Both the transaction's sizes are too large and the fee rate too low for the child transaction to accelerate them effectively.
let's say that there are no unconfirmed transaction in the parents' inputs (I didn't checked because there are hundreds of them),
the total size of the batch would be: 699 vB + 27904 vB + 16106 vB = 44,709 vB
then the total fee would be: 70,000 sat + 195,860 sat + 161,530 = 427,390 sat fee; that's a total of 9.56sat/vB fee rate[/b].
Currently, 9-10sat/B is @ 20vMB from tip of mempools.

The other transaction may be missing from time to time because the parent's input parent's fee rate range is beyond the default maximum size of mempools.
jr. member
Activity: 90
Merit: 2
March 01, 2021, 11:08:37 PM
#37
Hello, here is around 6 days, I bought some bitcoin, after they sent them, I did not receive anything because the transactions remain unconfirmed for 1 week.
In addition, only one of the two appears in the blockchain, one of the two seems to be in another blockchain (mempool)

Transaction number 1:
Here is the transaction (it appears in my wallet as unconfirmed):

https://blockstream.info/tx/6cdb98f9c86ef7902ee991d44e013307662086322dc41ee392584daac8b12d11
https://blockchair.com/bitcoin/transaction/6cdb98f9c86ef7902ee991d44e013307662086322dc41ee392584daac8b12d11

transaction number 2:
this one (it doesn't even appear in my wallet):

https://blockstream.info/tx/b405185bc699d24a611cb25aeb3347159235c968bbb0d58a8c98cc1b96cd6ccf
https://blockchair.com/bitcoin/transaction/b405185bc699d24a611cb25aeb3347159235c968bbb0d58a8c98cc1b96cd6ccf

The fees are + 0.0007 BTC (100.1 sat / vB) (around 25 €)

Can someone help me and find out where the problem is coming from.

What if there are minors, if you could unblock the situation: /

I need help guys, need to pay my friends/worker :S
newbie
Activity: 3
Merit: 2
February 28, 2021, 03:28:59 PM
#36
If you don't have other unspent transaction outputs (inputs) in your blockchain wallet, any new outbound transaction will be considered as CPFP because it will guarantee that the change of the "stuck txn" will be spent.
If I understand you correctly.. Unspent - do you mean if I have funds in my blockchain.com wallet? And by (any new outbound transaction) do you mean other transactions out of my blockchain.com because since 15 Feb I sent two transactions from the same wallet to other external wallet and they were confirmed relatively quickly. I was hoping those transactions will trigger something to make the unconfirmed transactions be confirmed... or Am I getting it totally wrong..?
Okay, since the two transaction after the stuck one were already confirmed, then it's change must have been left unspent by the wallet, those didn't affected the stuck transaction at all.
Because if its change was used, the transaction that spent it must be mined together in a single block (at the same time).

I might have to try this out... I really appreciate your help thank you so much.
In the "coin control" step, you must select the change of the stuck transaction because if the wrong coin was spent, it won't be considered as CPFP.
To check the change, find the 'stuck' transaction in the history tab and take note of the details specially the txid and the address which will be displayed as "output point" and "address" in the 'Coins' tab.

Hey ya'll my transaction finally confirmed!!!

Thank you everyone... this forum has taught me so much... and I'll continue to learn... thank you, you're all legends!!
legendary
Activity: 2534
Merit: 6080
Self-proclaimed Genius
February 27, 2021, 10:00:58 PM
#35
If the transaction has been flagged as RBF, you won't see "CPFP" option in right-click menu and you will see "Increase fee" instead of that.
If the transaction hasn't been flagged as RBF, you should see "CPFP" option.
That's it, so Electrum will automatically disable the feature when RBF is available, that's a well-thought feature.
Must be because it's not efficient to allow the sender to create another transaction to accelerate the one that can be RBF~ed.
I haven't tested that factor, thanks.

Anyways, the CPFP will only able to send to his own wallet, being able to use 'coin control' will allow him to use the coin for his next payments/transactions instead of sending back to himself.

btw, would eth be a decent alternative for times when the network is clogged?
In terms of dollars equivalent, yes for now.
newbie
Activity: 10
Merit: 5
February 27, 2021, 04:37:18 PM
#34
Just a heads up, ViaBTC has mined this tx about one hour ago. It has 10 confirmations now.
So after all we have a happy ending Smiley

yes!!! finally hehe, i'll make sure my next deal in btc has a great fee talk involved haha

btw, would eth be a decent alternative for times when the network is clogged?

Thanks so much for everyone who stopped by here, i learned so much in this forum already!
legendary
Activity: 2380
Merit: 5213
February 27, 2021, 12:02:36 PM
#33
For some reason, it wont appear in the "sender" Electrum even if one of the outputs belongs to that wallet, tested in testnet Electrum v4.0.9.
Wasn't the transaction you made for testing RBF-enabled?

If the transaction has been flagged as RBF, you won't see "CPFP" option in right-click menu and you will see "Increase fee" instead of that.
If the transaction hasn't been flagged as RBF, you should see "CPFP" option.
legendary
Activity: 2534
Merit: 6080
Self-proclaimed Genius
February 27, 2021, 11:15:48 AM
#32
In the "coin control" step, you must select the change of the stuck transaction because if the wrong coin was spent, it won't be considered as CPFP.
To check the change, find the 'stuck' transaction in the history tab and take note of the details specially the txid and the address which will be displayed as "output point" and "address" in the 'Coins' tab.
There is no need to use "Coin Control" feature. It may be difficult for a newbie.
The easiest way to implement CPFP method in electrum is to right-click on the transaction and select "Child pays for parent".
For some reason, it wont appear in the "sender" Electrum even if one of the outputs belongs to that wallet, tested in testnet Electrum v4.0.9.
So if it doesn't appear at his end, he must use coin control.
legendary
Activity: 2380
Merit: 5213
February 27, 2021, 09:14:35 AM
#31
In the "coin control" step, you must select the change of the stuck transaction because if the wrong coin was spent, it won't be considered as CPFP.
To check the change, find the 'stuck' transaction in the history tab and take note of the details specially the txid and the address which will be displayed as "output point" and "address" in the 'Coins' tab.
There is no need to use "Coin Control" feature. It may be difficult for a newbie.
The easiest way to implement CPFP method in electrum is to right-click on the transaction and select "Child pays for parent".

legendary
Activity: 3668
Merit: 6382
Looking for campaign manager? Contact icopress!
February 27, 2021, 01:51:43 AM
#30
Just a heads up, ViaBTC has mined this tx about one hour ago. It has 10 confirmations now.
So after all we have a happy ending Smiley
legendary
Activity: 2534
Merit: 6080
Self-proclaimed Genius
February 27, 2021, 12:43:03 AM
#29
If you don't have other unspent transaction outputs (inputs) in your blockchain wallet, any new outbound transaction will be considered as CPFP because it will guarantee that the change of the "stuck txn" will be spent.
If I understand you correctly.. Unspent - do you mean if I have funds in my blockchain.com wallet? And by (any new outbound transaction) do you mean other transactions out of my blockchain.com because since 15 Feb I sent two transactions from the same wallet to other external wallet and they were confirmed relatively quickly. I was hoping those transactions will trigger something to make the unconfirmed transactions be confirmed... or Am I getting it totally wrong..?
Okay, since the two transaction after the stuck one were already confirmed, then it's change must have been left unspent by the wallet, those didn't affected the stuck transaction at all.
Because if its change was used, the transaction that spent it must be mined together in a single block (at the same time).

I might have to try this out... I really appreciate your help thank you so much.
In the "coin control" step, you must select the change of the stuck transaction because if the wrong coin was spent, it won't be considered as CPFP.
To check the change, find the 'stuck' transaction in the history tab and take note of the details specially the txid and the address which will be displayed as "output point" and "address" in the 'Coins' tab.
newbie
Activity: 3
Merit: 2
February 27, 2021, 12:27:38 AM
#28
If you don't have other unspent transaction outputs (inputs) in your blockchain wallet, any new outbound transaction will be considered as CPFP because it will guarantee that the change of the "stuck txn" will be spent.

If I understand you correctly.. Unspent - do you mean if I have funds in my blockchain.com wallet? And by (any new outbound transaction) do you mean other transactions out of my blockchain.com because since 15 Feb I sent two transactions from the same wallet to other external wallet and they were confirmed relatively quickly. I was hoping those transactions will trigger something to make the unconfirmed transactions be confirmed... or Am I getting it totally wrong..?

Alternatively, if your have other inputs, you can import the wallet's "recovery phrase" to Electrum and spend that transaction's change using these tutorials:

I might have to try this out... I really appreciate your help thank you so much.
legendary
Activity: 2268
Merit: 18711
February 25, 2021, 05:06:02 AM
#27
To add to nc50lc's reply above:

Your current transaction is 521 vbytes and pays 5,190 sats in fees. If you send your change output to another legacy address you control, this transaction will be in the region 192 vbytes, giving a total of 713 vbytes. Currently, to get confirmed quickly you need to pay around 40 sats/vbyte, which would be 28,520 sats in total. This means your CPFP transaction would need to pay 23,330 sats in total for the fee, which would be a rate of around 122 sats/vbyte.

Obviously this could all change at any time depending on what the mempool does.
legendary
Activity: 2534
Merit: 6080
Self-proclaimed Genius
February 25, 2021, 12:43:37 AM
#26
-snip- and the fee is soo low that ViaBTC won't accelerate the transaction...
Not too low but it's only 20satoshi short to reach exactly 10sat/B for Viabtc's free accelerator, that's unfortunate.

At this point, I don't know what else to do... I checked at https://pushtx.btc.com/ to see an estimate, to get it pushed up and it gave me an estimate of $210+ USD🙆😱. Any suggestions... I'm open to any suggestion at this point.
Doing a CPFP will do.
If one of the two outputs is your change, all you have to do is to spend it with a relatively higher fee than the recommended.
Problem is your client, blockchain.com doesn't have "coin control" to be able to select inputs.

If you don't have other unspent transaction outputs (inputs) in your blockchain wallet, any new outbound transaction will be considered as CPFP because it will guarantee that the change of the "stuck txn" will be spent.

Alternatively, if your have other inputs, you can import the wallet's "recovery phrase" to Electrum and spend that transaction's change using these tutorials:

Please be careful with the recovery phrase, read the warnings. Compromising it will lead to loss of funds.
newbie
Activity: 3
Merit: 2
February 24, 2021, 09:26:38 PM
#25
I'm in the same predicament of unconfirmed tx. Mine is worse though because it has a very low transaction fee... which was the regular recommended price in the blockchain.com wallet at the time. The worst part is of course since it's a blockchain.com wallet, I can't do the RBF and the fee is soo low that ViaBTC won't accelerate the transaction...  I'm new to cryptocurrency but have done quite a few transactions and this is the first time I'm encountering this issue.

My transaction has been unconfirmed since 15th Feb...
txid eb8d25f15ff864c1cb58d093465adbc51459ddeae3ca2250e82c6cb3ff66544d

All I can do or started doing is trying to get it rebroadcasted at https://btcnitro.com/# every 6hrs

At this point, I don't know what else to do... I checked at https://pushtx.btc.com/ to see an estimate, to get it pushed up and it gave me an estimate of $210+ USD🙆😱. Any suggestions... I'm open to any suggestion at this point.
legendary
Activity: 2464
Merit: 3878
Hire Bitcointalk Camp. Manager @ r7promotions.com
February 24, 2021, 04:35:13 AM
#24
wow sir!! that might be a light, both tx you posted got 2 confirmations already!!
Sorry I was away last two day. What is your update? The Transaction ID is still unconfirmed. Did you guys able to talk to the seller or already a dispute running?
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