l0rinc

coins: fix `cachedCoinsUsage` accounting in `CCoinsViewCache`

2

Split out of https://github.com/bitcoin/bitcoin/pull/32296#issuecomment-2813590511 since this needed more complicated production code changes. The changes ensure `cachedCoinsUsage` remains balanced throughout all coin operations and that the sanitizers will catch future violations....

leveldb: show non-default options during init

4

To help with to debugging and traceability (in alignment with displaying other non-default args such as `Command-line arg: dbcache="10000"`) we can extend the LevelDB opening log with the used settings....

[IBD] Tracking PR for speeding up Initial Block Download

12

During the last Core Dev meeting, it was proposed to create a tracking PR aggregating the individual IBD optimizations - to illustrate how these changes contribute to the broader performance...

Verify AssumeUTXO snapshot hashes during full validation as well

4

### Summary We already hard‑code the AssumeUTXO height/UTXO-snapshot-hash/tx-count pairs (e.g. for mainnet we have heights **840,000** and **880,000**) in https://github.com/bitcoin/bitcoin/blob/master/src/kernel/chainparams.cpp#L170-L183. Currently, this commitment is enforced only when a node explicitly...

[IBD] flush UTXO set in batches proportional to `dbcache` size

25

This change is part of [[IBD] - Tracking PR for speeding up Initial Block Download](https://github.com/bitcoin/bitcoin/pull/32043) ### Summary When the in-memory UTXO set is [flushed](https://github.com/bitcoin/bitcoin/blob/master/src/txdb.cpp#L130-L133) to LevelDB (after IBD or AssumeUTXO...

[IBD] specialize block serialization

12

This change is part of [[IBD] - Tracking PR for speeding up Initial Block Download](https://github.com/bitcoin/bitcoin/pull/32043) --- This PR is drafted until I remeasure everything after the recent merges and I...

log: print reason when writing chainstate

5

This PR addresses a few leftover nits found while reviewing https://github.com/bitcoin/bitcoin/pull/30611#pullrequestreview-2809508852. This was also needed to validate its behavior properly, because currently there's no way to visualize how often (and...

Networking tests fail on emulated big-endian systems

13

Running the test with an emulated big-endian system (via `docker run --platform linux/s390x -it ubuntu:24.10 /bin/bash`, as described in https://github.com/bitcoin/bitcoin/issues/31344#issuecomment-2493612110), I'm seeing mismatched byte orders in IP address representations. I've...

Increase maximum read-only mmap()s used from 1000 to 4096 on 64-bit systems

4

Cherry-picking https://github.com/bitcoin-core/leveldb-subtree/commit/92ae82c78f225de84040c51e07fd0b4a61caed99 and revives https://github.com/google/leveldb/pull/613

Do not crash if filesystem can't fsync

3

Cherry-pick of https://github.com/bitcoin-core/leveldb-subtree/commit/d42e63d49d9df05b12cd00af4ffc5f2b3edf7e21