Questions tagged [undofiles]
The rev*.dat files contain data needed to put the Bitcoin blockchain back to an earlier state. This is important for reorganizations.
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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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Why are undo files needed in Bitcoin Core?
Undo files contain data needed to disconnect a block from the blockchain. It basically contains instances of CBlockUndo:
/** Undo information for a CBlock */
class CBlockUndo
{
public:
std::vector&...
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What are the use cases where very old rev*.dat files are needed?
There have been multiple questions on this but none, IMO, really get to the issue:
Given:
The rev*.dat files hold "undo" data for rolling back the UTXO state, block by block,
and they're 1::...
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Undo files format change and reorg process question for v0.19
This is a follow-up question for rev.dat file format
Pieter Wuille gave a great explanation that is easy to follow. Since that posting there was a replacement of CTxInUndo with Coin, does the format ...
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Is the ordering of blocks in the rev*.dat files same as the blk*.dat files?
I understand that blk*.dat files save the blocks in the order it gets them from it's peers. Is the rev*.dat files in the same order as the blk*.dat files?
For example, would the 400th magicbyte in ...
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Are old rev*.dat file safely deletable?
based on this answer rev files contains information for dealing with reorgs.
If I think reorg longer than let's say a month are highly unlikely, could I safely delete rev*.dat files older than a month?...
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File format -- rev*.dat
Can anyone help me to find out the format of rev*.dat file?
There is an array with [F9BEB4D9 + 32byte number + variable raw data] for each element.
What is that 32b number? And may be how to ...
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What exactly are the rev00000.dat files?
I've been looking at the on disk structured generated by the standard bitcoin-qt client. It looks to me that the rev?????.dat files are reverse application for blocks? So I imagine every single spent ...
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