Topic: Mempool Observer Topic - page 70. (Read 23858 times)

No they don't show the same data.


This is the transaction on block chain.com explorer

https://www.blockchain.com/explorer/transactions/btc/42105820754888a816820be27bd8670b5789e82ffd9f88cb68446c1afe414fa9


It shows unconfirmed transaction.





This is the same transaction on mempool.space


https://mempool.space/tx/42105820754888a816820be27bd8670b5789e82ffd9f88cb68446c1afe414fa9

Here it says


Transaction not found.
Waiting for it to appear in the mempool...


And the fees were high on the day I sent the coins. If I had waited till today, I would have probably paid lower fees for higher bytes.

i hope this is not just a discussion of mempool.space

i hope its a discussion of observations of anything related to things that affect different mempools of different services, nodes or things that affect the functionality, utility of any/all mempools of the network

I don't understand your question.

Blockchain.com and mempool.space show the same data. They are both block explorers with different front end

     

• fastestFee: 30 sat/vB
• halfHourFee: 27 sat/vB
• hourFee: 24 sat/vB
• economyFee: 20 sat/vB
• minimumFee: 10 sat/vB

Oh!!! Thank you for the correction. I understand now.

I just needed help. 

Why do I have the feeling that you think this is the official thread of mempool.space and that you expect some explanations and acceptance of suggestions from the official representatives of mempool.space.
Certainly not. This is just a discussion thread about the mempool.space service opened by ordinary members of this forum. Apart from some explanations, don't have too high expectations

The docs from mempool.space are imprecise.
https://mempool.space/docs/api/rest#get-recommended-fees

However,  I believe that the minimum fee is the minimum fee rate you need to get into the standard 300mb mempool that most nodes use.

Below that fee, your transaction will not be propagated to other nodes.

     

• fastestFee: 27 sat/vB
• halfHourFee: 24 sat/vB
• hourFee: 23 sat/vB
• economyFee: 22 sat/vB
• minimumFee: 11 sat/vB

the website has no relevance to network performance. its just a stat website with limited scope of the available data to see
its not a fairness thing.. its just a crappy display site for certain details.
there are many other websites, explorers and stat sites. hope you find one you can enjoy

From this above statement, then I can boldly say that mempool.space is NOT PROBABLY FAIR.


This is my opinion anyway, I will drop this case and allow other bitcointalk users to make their own contribution here.

Thank you

there is no centralised mempool that mining pools use
each fullnode sets its own default mempool limit. some purge more the 300mb some less, some more

mempool.space's node has a lower storage amount
this does not mean that your transaction is forgot by the entire network. just not seen by one websites node

dont be upset that one website doesnt see your transaction.. mempool.space is not a network feature mining pools grab transactions from.. its jsut a website of a name of something but does not signify by namesake that its what the network uses as anything central to te network

for instance blockchain.com is not the central storage of the network blockchain. its just a website with a name. the name does not mean its the central repository of everyones blockdata people grab data from.. its just once instance showing its own nodes display..

by seeing that mining pools do randomly select (lottery) cheaper transactions proves that mining pools do see cheaper transactions IN THEIR mempools of THEIR nodes. but you are just part of the lottery of the ~120 of 17k tx basket of your fee range yet to be selected at random..

Ok.

Then it should DETECT THE TRANSACTION AT LEAST.I am aware of priorities. Higher preference would be given to higher bytes fees but at least DETECT IT.  Mempool says transaction not found. It is one thing to detect a transaction and it is another thing to process such transaction. This is an unfair treatment given to me and I believe it should be addressed properly

that does not mean that blocks are grabbing all transactions 9sat up
it means SOME mining pools are selectively (pot luck lottery style) adding a couple random transactions outside the "highest fee first" policy just to seem reasonable.. the 9sat/b does not mean your 16sat/b has priority over say the 20sat/b ones nor means that your 16sat/b should come before the pot luck lottery of cheap fees outside the fastest first policy
you just have to be patient

yes its annoying, yes bitcoin is made using code. yes code can codify rules of acceptance to be more fair, yes transactions can be analysed into a formulae where coin-age and "first seen" can produce a priority order... but many people that want bitcoin to be annoying to promote offchain systems as solutions to the annoyances, dont want the annoyances fixed

---

using
https://jochen-hoenicke.de/queue/#BTC,2h,count

there is about 17,000 transactions waiting paying 14-17sat/b
so you are in a waiting list with 17k other transactions of about your fee rate(51k minus 34k)

looking at latest block(fee range chart, highlighting transaction in the 15-16sat/b basket range)
https://www.blockchain.com/explorer/blocks/btc/829631


out of 1038 transactions in that block that miningpool only randomly selected 118 transactions from the basket of transactions 15-16sat/b
meaning only ~11% of a block selector chooses the lottery of your range. but your range has 17k other competitors

so math suggest if only ~120tx of your range are selected per block you have a 120 of 17k chance of being in next block(0.7%)

Note the minimum fee here is 9sat/byte

your tx wont confirm fast because currently (2 hour ago)
fastestFee: 27 sat/vB
halfHourFee: 25 sat/vB
hourFee: 23 sat/vB
economyFee: 20 sat/vB

fees of 23sat/b took hour+
so you have to wait and hope your transaction out of the many that also pay 16sat/b get picked up

also mempools detecting it does not mean MINING pools pick it up. especially if there are megabytes of other transactions 17sat/b+ waiting ahead of you.. even though SOME mining pools selectively choose a couple transactions outside of "highest first" policy. to appear helpful. would make those couple transactions of lesser fee just pot luck getting ahead of the queue.. not a policy that guarantees you getting added any time soon

put it this way.. right now
https://jochen-hoenicke.de/queue/#BTC,2h,weight
there are about 50mb of transactions ahead of yours
~4mb a block means 12 blocks of transactions paying 17sat/b before getting to yours
and if everyone even in last couple hours pays more then 17sat/b it then treats the 17sat/b+ more priority even if your transaction is 10 hours old, but their 17sat/b is 2 minutes old, they come first(in usualy highest fee first) policy

Ok. I can agree with you on this. However, during that period, the fees were high but now, the fees are relatively moderate and with the same amount today as fees, the transaction should be confirmed.  In my own opinion, the transaction should be detected by mempool at least. This is unfair. I have sent fees of 10 sat/byte and mempool.space detected it.

your transaction pays 16sat/b
however mempool.space has a "no priority" minimum of 20sat/b meaning their mempool purged your transaction but blockchain.com did not purge it and still sees it as pending

I am surprised to see mempool.space here in bitcointalk . Anyway, welcome!

My question is : can you synchronise mempool.space to the blockchain.com Explorer?  I actually sent Bitcoin from my blockchain wallet and mempool.space was unable to detect the transaction. This is weird. The transaction ID is 42105820754888a816820be27bd8670b5789e82ffd9f88cb68446c1afe414fa9

. The link on blockchain Explorer is
blockchain.com/explorer/transactions/btc/42105820754888a816820be27bd8670b5789e82ffd9f88cb68446c1afe414fa9
. When I search for it on mempool.space, it shows transaction not found.

     

• fastestFee: 27 sat/vB
• halfHourFee: 25 sat/vB
• hourFee: 23 sat/vB
• economyFee: 20 sat/vB
• minimumFee: 10 sat/vB

     

• fastestFee: 22 sat/vB
• halfHourFee: 22 sat/vB
• hourFee: 22 sat/vB
• economyFee: 18 sat/vB
• minimumFee: 9 sat/vB