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Questions tagged [raw-data]

The tag has no usage guidance, but it has a tag wiki.

-1
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0answers
31 views

Sharing datadir for multiple bitcoind on a host

I was skeptical about sharing a datadir for multiple bitcoind running on single host (in containers). [Sharing because it saves disk bandwidth and space] Because older blocks are immutable, they ...
0
votes
1answer
40 views

HELP: recover my btc funds though all odds against me. someone with Xtra knowledge?

5 months research and a lot of findings indicating it might be possible. I try askin here, like an last effort and Im not expecting fully fix or so but maybe some tips or information that might help ...
0
votes
1answer
53 views

How to retrieve transactions in realtime from bitcoind .dat files

I want to get all the data from blocks as they get updated on my local node. Abe offers very poor performance, and fast-dat-parser creates other .dat files and doesn't have enough documentation for me ...
1
vote
1answer
28 views

Where in a bitcoin transaction can I store some data? [duplicate]

I need to store some data in a transaction to the data can be stored in the blockchain. In which field of the transaction I can store it?
1
vote
2answers
82 views

What are the hashes in Unspent outputs?

I am a newbie to Bitcoin. Looking at curl https://blockchain.info/unspent?active=1Cdid9KFAaatwczBwBttQcwXYCpvK8h7FK I guess that the script is the owner's address.I am not sure about this. "...
0
votes
0answers
96 views

LevelDB Key and Value decoding

How to decode Key and Value from LevelDB 482733.ldb (just for example) file which is in bitcoin\chainstate directory? I've parse this file and now try to understand the meanings of the data I have. ...
2
votes
1answer
276 views

Send raw transaction (have tx_hex) on litecoin testnet using api or module

I have raw data (tx_hex) for raw transaction, but I cant send it to litecoin tesnet using post request to testnet.litecore.api. If I insert tx_hex manually in the browser, the transaction is correctly ...
0
votes
2answers
136 views

Raw data of dates in all blocks using PHP or R

Is it possible to obtain the date (time stamp) of each bitcoin block so far, using languages like PHP or R?. I am developing an analysis of the time series of bitcoin use for a scientific project, ...
0
votes
0answers
21 views

Who can provide me the detail data dictionary of level db and block data? [duplicate]

I want to get a detail info about bitcoin coin structure. I want to get all transactions of all addresses, but bitcoind client is not support this issue! So I need to parse all the /blocks/blk????....
1
vote
1answer
530 views

.csv file of every block timestamp in btc history

i am looking for a .csv file of every block timestamp in bitcoin history with the block height. i can get one day at a time from bitcoin.info but i dont fancy manually copying and pasting over 3000 ...
0
votes
1answer
166 views

Cryptocompare API is not updated

I have created an android app for maintaining the portfolio. I have used the coinmarketcap.com API. This API does not have the data at exchange level. I have tried https://min-api.cryptocompare.com/ ...
0
votes
1answer
150 views

Analysing the raw block Hex file but I can not find the expected information

My goal is to understand better, how transactions and blocks are built raw. For that, I found several questions and answer here on StackExchange, but the best for me was this post: Download single and ...
1
vote
1answer
117 views

Project on modelling Bitcoin blockchain data

I am doing a thesis project on modelling Bitcoin blockchain data, but atm I am having trouble getting data from the Bitcoin blockchain into a format that is easy to deal with in e.g. Python. I have ...
3
votes
1answer
263 views

Where can I get intraday orderbook BTC/USD? [closed]

Where can I get intraday orderbook BTC/USD? Hey there, I am searching for intraday orderbook BTC/USD of any exchange for at least one day. I have found that it's available only for some money. Is ...
0
votes
4answers
534 views

getting the list of all bitcoin transactions

I am currently thinking of doing a research project on Bitcoins. But I want to download the list of all transactions of bitcoins. I was wondering what are the ways to do this? I believe, I can scrape ...
0
votes
1answer
32 views

any website tracking history of circulating tokens of any coin?

Is there any website dedicated to tracking history of circulating tokens of any coin? Ideally, for each time a crypto has tokens added or removed to its circulating amount, we'd want to know: amount ...
2
votes
2answers
260 views

Are there any blockchain explorers that provide raw Tx data and block headers?

I've looked at some of the more popular blockchain explorers, but none of them seem to provide the feature I'm looking for. I'd like to find a blockchain explorer that allows you to see raw Tx data ...
1
vote
0answers
23 views

Is there a way to get data on exchange-specific crypto prices using Yahoo finance?

Yahoo finance provides information on country specific cryptocurrency prices, but it seems they don't have information on particular exchange prices like coinbase for example. Is there a way to access ...
0
votes
1answer
64 views

How do websites get prices for a coin? [closed]

There are websites with historical data of coins. How do they get it? Do they get the price from 10 exchanges at the same time, then divide by 10?
0
votes
0answers
190 views

Where to find Python API that streams live trades from multiple exchanges?

I'm looking for a Python API that streams live trade data from many bitcoin exchanges. That is, not orderbook data or mid prices, just a pure trades stream. The data format ideally would be something ...
1
vote
1answer
107 views

Can someone post an explanation of how to get the input/output addresses?

Can someone post an explanation of how to find the source and destination addresses of a transaction from the input/output portions of a block?
0
votes
1answer
86 views

Are there any blockchain parsers which calculate virtual sizes of transactions?

"The getrawtransaction RPC gets a hex-encoded serialized transaction or a JSON object describing the transaction." https://chainquery.com/bitcoin-api/getrawtransaction The output includes the vsize (...
1
vote
1answer
190 views

Do you know any download site for full blockchain header data (6) in CSV ASCII format?

do you know any download site for full blockchain header data (6 variables) in CSV ASCII format ? I would like to enter block header data for every block from No.0 to latest into mining simulator to ...
0
votes
1answer
987 views

Anyone know of an API for RSI and other indicators?

I am looking for Relative Strenght Index and other market indicators API's for cryptos. I don't think TradingView provides one but maybe you know one?
2
votes
1answer
494 views

Looking for bitcoin and other cryptocurrency intraday prices

I've come across some datasets that include every trade made but I'm just looking for the price of bitcoin at a high frequency. Every minute would be ideal.
1
vote
2answers
807 views

How to decode transaction inputs from raw data using bitcoinjs-lib?

I need to calculate fees for each transaction in block. I retrieve raw block data and use bitcoinjs-lib library to decode it to Block object: const block = Bitcoin.Block.fromHex(data.rawblock); It ...
0
votes
2answers
331 views

Where to find UTXO Metadata API

I'm looking for an API which lets me query for UTXOs on the base of specific meta data, e.g: When was the transaction containing the UTXO issued? From which address? etc. I have found this question: ...
8
votes
1answer
730 views

UXTO DB structure

After update Bitcoin Core to version 0.15, chainstate database changed format of data. Old prefix of key has been 0x63, now 0x43, and key/value are different Where is the new format described, or ...
2
votes
1answer
1k views

How get raw block data?

I can use getblock json rpc method to get parsed block, but I need raw data. Is there any way to get raw block data using bitcoin core?
1
vote
2answers
297 views

how much data represents 1 satoshi? and on entire bitcoin

I mean, how many bits or bytes represents 1 satoshi, the minimun bitcoin portion and how many bytes represents one entire bitcoin, not a block, a 1.00000000BTC
1
vote
1answer
568 views

Orphaned (non referenced) blocks list

Orphan block is a block that doesn't have a known parent in the longest block chain. As I understand, this mean that orphaned block does not have a reference on it as "previous block hash" in any ...
3
votes
3answers
4k views

Where can I find Crypto Coin data?

I'm looking for sources of crypto currency data, preferably historical, which I can use to back-test my bots and/or analyze the market. Is there a reliable source for this online ? Do exchanges offer ...
0
votes
2answers
420 views

Exchange currency trade history

I am looking for datasets of trade history, which contains the following information: date-time, buy/sell, price. The currency pair and exchange is not important.
1
vote
2answers
2k views

Is it possible to download all blockchain raw data?

I'm interested in doing some analysis on the blockchain that would require specific information about all individual transactions within each block. I don't need the data to be updating in real-time, ...
16
votes
4answers
35k views

Anyone know of an API I can get historical price time series for multiple coins

I'd like to build some historical price charts, to use in my cryptocoin portfolio tracking app, using time series data (with HighCharts js). Anyone know of an API that provides this price data, ...
1
vote
2answers
357 views

bitcoinj get raw block

I'm trying to get the raw blocks with bitcoinj. I use Block.bitcoinSerialize() to get the bytes of each block when it is downloaded, but does not include transactions. How can I get the full raw block?...
1
vote
1answer
1k views

How to start working with blk*.dat data?

I have the complete bitcoins block data (blk00000.dat, blk00001.dat.....). I want to convert it into some readable format like csv or json. Can it be done using python or any other software ?
0
votes
1answer
777 views

Why OP_RETURN should be used instead of raw data?

I've read this great Explanation of what an OP_RETURN transaction looks like and now I have only one question. Imagine that someone want to store some data in Bitcoin's blockchain. Why should he use ...
0
votes
1answer
63 views

How can you tell if you're at the end of an incomplete blk*.dat file?

I've been parsing the blk*.dat files using fread(). Let's say this is the basic structure of a blk.dat file: [magicbyte] [blockheader] [transactions] [magicbyte] [blockheader] [transactions] ... [...
7
votes
2answers
215 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 ...
1
vote
4answers
1k views

Generate and push raw Bitcoin transaction

When I try to push a raw Bitcoin transaction via the blockchain.info API I get the following error message: Script resulted in a non-true stack: [] Transaction should send 0.001 Bitcoins with a 0....
2
votes
1answer
72 views

Finding the timing of blocks, afterwards?

I understand that the timestamps on blocks are not fully accurate. Given only that information, it's efectively impossible to do retrospective analyses of timing of blocks. (For example, this; http://...
2
votes
1answer
412 views

Can Bitcore decode a raw tx?

I have a serialised transaction in raw hex format that I want decoded in JavaScript. Can Bitcore do that for me?
9
votes
1answer
549 views

How much out of order are the blocks stored in the blk*.dat files?

To be more exact: Given two blocks A and B, with heights A < B, but with positions in the blk file (we'll call them pA and pB) pA > pB. What is the maximum amount of blocks that there could be ...
2
votes
0answers
338 views

Bitcoin raw transaction hash signing

I was just wondering when you're at the double hashing part of making a transaction do you need to specify the scriptpubsig like: 01000000 01 ...
10
votes
6answers
19k 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 ...
2
votes
2answers
395 views

How to delete an element of an array in an Ethereum contract?

I am wondering - is it possible to delete a single element of an array in Ethereum without having to create a new array and copying the entire array? Reading some of the documentation, I can't seem to ...
1
vote
1answer
358 views

What data is available to Ethereum smart contracts?

I'm wondering - what data is available to the Ethereum smart contracts? I stumbled upon some tutorials on how to write the contracts that give some indication as to a few examples of the data is ...
3
votes
2answers
7k views

Raw Block data in Hexadecimals

Is there any Web API available for us to query Blockchain data in hex format? The format should follow the standard (https://en.bitcoin.it/wiki/Block#Block_structure) structure rather than JSON.