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2
votes
0answers
18 views

what is fee_estimates.dat data format?

I'm trying to parse the file fee_estimates.dat. What is the format of the binary data inside fee_estimates.dat ? I didn't find any information about it in the dev documentation of Bitcoin. This is ...
6
votes
2answers
234 views

special block version or is my data corrupt?

I've recently written my own blockchain parser. It works well (yay!) up to a certain block and then fails because the data read is pure nonsense. I've tracked down the error away from my code to the ...
12
votes
6answers
20k views

How to store data on the blockchain?

I am wondering if it is possible to give someone a bitcoin transaction ID and with that he can read some hidden data, like the blockchain.info notes on transactions, but for real, stored in the ...
2
votes
1answer
2k views

Are there any Python modules that decode raw transaction data?

I'm currently doing RPC calls to bitcoin-cli within python to get raw block data: bitcoin-cli getblock BLOCKHASH False I've already written a function that cuts off the block header and splits the ...
8
votes
1answer
4k views

How do I read peers.dat file to get a list of all peers seen or that bitcoind has connected to?

In version 0.8.6 of Bitcoin, I see that peers.dat file is a custom database format declared in db.h:317 (class CAddrDB) and defined in dh.cpp:485. Any ideas on how I could go about reading the data ...
4
votes
1answer
1k views

How to return Bitcoins to sender through Bitcoin API?

I want to get information about the creator of a given transaction through Bitcoin API. More specifically, any or all addresses they sent their Bitcoins from, so I can return some of the money back. ...
4
votes
3answers
1k views

Limit size of data files

As the mere size of the constantly changing data file tampers with my backup concept, I would like to ask if there is a way to split this file into many smaller pieces. I have no problem with the size ...