Questions tagged [block]
The components of the blockchain and a data structure that collects transactions.
50
questions with no upvoted or accepted answers
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Will Bitcoin Core still respond quickly to a rpc-call when new blocks come in fast?
I had my Core Lightning node crash a few times because Bitcoin Core didn't respond in time to a rpc-call. I found that this happens when new blocks are generated quickly, like below:
849683 2024-06-...
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Difference between pprev and pskip pointers in the CBlockIndex class?
In the Bitcoin Core there is class called CBlockIndex which as its name appears is the implementation of blocks. This class has two variable that for me they looks the same:
class CBlockIndex
{
public:...
- 1,253
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57
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Transaction validation cost
what relation is between transaction size or a number of input and validation cost? for example, It's o(n) or o(n^2)?
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Is there a way to get stats about fees paid (highest, lowest, average) in a specific block?
I'd prefer to get the stats from my full node via bitcoin-cli, but if that's not possible some API would do the job too...
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2
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1
answer
222
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Different balances in API block explorers for BTC
BTC.com block explorer shows bigger balance than for example Insight or Blockchair. For example: https://btc.com/1FLDCfr9iG7n6bAdGsqBXmhaLgC4aSze72
https://insight.bitpay.com/address/...
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The blockchain lookup speed in a local machine
How to determine the exact required time (seconds, milliseconds) to find a particular block when searching within a local blockchain using address?
Is there any way to make a benchmark to study the ...
- 163
2
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90
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Source for accurate block timestamps?
Is there a source of historical data which assigns a relatively consistent and accurate timestamp to each block? This might take the form of a server having precisely logged when they first heard ...
- 121
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68
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Which function is called to mine a block, broadcast the newly mined block & receive a newly mined block?
I am trying to understand the control flow and handling of transactions in the memory pool.
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How to determine how many coins have been mined regardless of block count in main.cpp
Been working my way trough the main.cpp trying to see where this value is grabbed if at all.
I need a way to check how many coins have been mined regardless of block count. For example if every ...
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Should I stop bitcoind when backing up chainstate/ and blocks/ directories?
This is how one might back up their Bitcoin Core data directories in order to save time on syncing in the future:
#!/usr/bin/bash
local_d=/root/btc_db
rsync -av --delete chainstate "$local_d&...
- 862
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How can I collate blocks in blk*.dat files and rev*.dat files?
According to this answer, blocks in blk*.dat files and rev*.dat files don't necessarily appear in the same order, nor are either files necessarily in monotonic order, and blocks not part of the active ...
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Wrong hashes for blocks when parsing from blk
Hello I'm using a python script to actually retrieve information from a blk file and to read data.
import datetime
# Read block !
file = open("REDACTED\blocks\\blk00000.dat", 'rb')
...
1
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Pseudocode for Bitcoin's P2P block propagation
I am going through Bitcoin's block propagation method at https://developer.bitcoin.org/devguide/p2p_network.html
Are you aware of any pseudocode available on how blocks are propagated during the ...
- 171
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DB Structure for bitcoin blocks
https://github.com/blockchain-etl/bitcoin-etl#schema
I found a library to parse the block data in json format. I want to parse that json and put it into a db to then use that for calculating balances. ...
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Pruning Blockstore has been running for days
After activating the core (Testnet - Pruned) with the command bitcoin-qt i received the following error:
Corrupt Block Database
I restarted the synchronization always using the Pruned mode.
The core ...
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