5779010ed7 RPC/Blockchain: scanblocks: Accept named param for filter_false_positives (Luke Dashjr)
Pull request description:
Possibly due to a silent cross-merge, `scanblocks` was left out of 96233146dd
ACKs for top commit:
stickies-v:
ACK 5779010ed7
theStack:
ACK 5779010ed7
Tree-SHA512: bade107c7cb5fdd1265224c263a1e1edfc8bc0698b3abfac8d65c49a270181f0311713f7243813de17932a7a7ca65a36850e527ab0b433cf64c32191d3adde70
fa46cc22bc Remove deprecated -rpcserialversion (MarcoFalke)
Pull request description:
The flag is problematic for many reasons:
* It is deprecated
* It is a global flag, requiring a restart to change, as opposed to a flag that can be set on each RPC invocation
* It may be hidden in config files by accident, hard to debug, causing LND crashes and bugs, see https://github.com/bitcoin/bitcoin/issues/28730#issuecomment-1780940868
* It makes performance improvements harder to implement: https://github.com/bitcoin/bitcoin/pull/17529#issuecomment-556082818
Fix all issues by removing it.
If there is a use-case, likely a per-RPC flag can be added, if needed.
ACKs for top commit:
ajtowns:
crACK fa46cc22bc
TheCharlatan:
lgtm ACK fa46cc22bc
Tree-SHA512: 96ba1c60356ce93954fe5c2a59045771c6d1516ad0d9dc436ef1800a1f1b0153f0d5fb78ca99d53ad54ba25fbce36962bdf1d4325aceedfc8154a61347a6a915
6666713041 refactor: Rename fs::path::u8string() to fs::path::utf8string() (MarcoFalke)
856c88776f ArgsManager: return path by value from GetBlocksDirPath() (Vasil Dimov)
fa3d9304e8 refactor: Remove pre-C++20 fs code (MarcoFalke)
fa00098e1a Add tests for C++20 std::u8string (MarcoFalke)
fa2bac08c2 refactor: Avoid copy/move in fs.h (MarcoFalke)
faea30227b refactor: Use C++20 std::chrono::days (MarcoFalke)
Pull request description:
This:
* Removes dead code.
* Avoids unused copies in some places.
* Adds copies in other places for safety.
ACKs for top commit:
achow101:
ACK 6666713041
ryanofsky:
Code review ACK 6666713041. Just documentation change since last review.
stickies-v:
re-ACK 6666713041
Tree-SHA512: 6176e44f30b310d51632ec2d3827c3819905d0ddc6a4b57acfcb6cfa1f9735176da75ee8ed4a4abd1296cb0b83bee9374cc6f91ffac87c19b63c435eeadf3f46
All functions assume that the pointer is never null, so pass by
reference, to avoid accidental segfaults at runtime, or at least make
them more obvious.
Also, remove unused c-style casts in touched lines.
Also, add CHECK_NONFATAL checks, to turn segfault crashes into an
recoverable runtime error with debug information.
9620cb4493 assumeutxo: fail early if snapshot block hash doesn't match AssumeUTXO parameters (Sebastian Falbesoner)
Pull request description:
Right now the `loadtxoutset` RPC call treats literally all files with a minimum size of 40 bytes (=size of metadata) as potential valid snapshot candidates and the waiting loop for seeing the metadata block hash in the headers chain is always entered, e.g.:
```
$ ./src/bitcoin-cli loadtxoutset ~/.vimrc
<wait>
bitcoind log:
...
2023-10-15T14:55:45Z [snapshot] waiting to see blockheader 626174207465730a7265626d756e207465730a656c62616e65207861746e7973 in headers chain before snapshot activation
...
```
There is no point in doing any further action though if we already know from the start that the UTXO snapshot loading won't be successful. This PR adds an assumeutxo parameter check immediately after the metadata is read in, so we can fail immediately on a mismatch:
```
$ ./src/bitcoin-cli loadtxoutset ~/.vimrc
error code: -32603
error message:
Unable to load UTXO snapshot, assumeutxo block hash in snapshot metadata not recognized (626174207465730a7265626d756e207465730a656c62616e
65207861746e7973)
```
This way, users who mistakenly try to load files that are not snapshots don't have to wait 10 minutes (=the block header waiting timeout) anymore to get a negative response. If a file is loaded which is a valid snapshot (referencing to an existing block hash), but one which doesn't match the parameters, the feedback is also faster, as we don't have to wait anymore to see the hash in the headers chain before getting an error.
This is also partially fixes #28621.
ACKs for top commit:
maflcko:
lgtm ACK 9620cb4493
ryanofsky:
Code review ACK 9620cb4493. This should fix an annoyance and bad UX.
pablomartin4btc:
tACK 9620cb4493
Tree-SHA512: f88b865e9d46254858e57c024463f389cd9d8760a7cb30c190aa1723a931e159987dfc2263a733825d700fa612e7416691e4d8aab64058f1aeb0a7fa9233ac9c
fa05a726c2 tidy: modernize-use-emplace (MarcoFalke)
Pull request description:
Constructing a temporary unnamed object only to copy or move it into a container seems both verbose in code and a strict performance penalty.
Fix both issues via the `modernize-use-emplace` tidy check.
ACKs for top commit:
Sjors:
re-utACK fa05a726c2
hebasto:
ACK fa05a726c2.
TheCharlatan:
ACK fa05a726c2
Tree-SHA512: 4408a094f406e7bf6c1468c2b0798f68f4d952a1253cf5b20bdc648ad7eea4a2c070051fed46d66fd37bce2ce6f85962484a1d32826b7ab8c9baba431eaa2765
Current getchainstates RPC returns "normal" and "snapshot" fields which are not
ideal because it requires new "normal" and "snapshot" terms to be defined, and
the definitions are not really consistent with internal code. (In the RPC
interface, the "snapshot" chainstate becomes the "normal" chainstate after it
is validated, while in internal code there is no "normal chainstate" and the
"snapshot chainstate" is still called that temporarily after it is validated).
The current getchainstatees RPC is also awkward to use if you to want
information about the most-work chainstate because you have to look at the
"snapshot" field if it exists, and otherwise fall back to the "normal" field.
Fix these issues by having getchainstates just return a flat list of
chainstates ordered by work, and adding new chainstate "validated" field
alongside the existing "snapshot_blockhash" so it is explicit if a chainstate
was originally loaded from a snapshot, and whether the snapshot has been
validated.
This change makes IsInitialBlockDownload and NotifyHeaderTip functions no
longer tied to individual Chainstate objects. It makes them work with the
ChainstateManager object instead so code is simpler and it is no longer
possible to call them incorrectly with an inactive Chainstate.
This change also makes m_cached_finished_ibd caching easier to reason about,
because now there is only one cached value instead of two (for background and
snapshot chainstates) so the cached IBD state now no longer gets reset when a
snapshot is loaded.
There should be no change in behavior because these functions were always
called on the active ChainState objects.
These changes were discussed previously
https://github.com/bitcoin/bitcoin/pull/27746#discussion_r1246868905 and
https://github.com/bitcoin/bitcoin/pull/27746#discussion_r1237552792 as
possible followups for that PR.
And transfer the responsibility of verifying whether 'start_block'
has data or not to the caller.
This is because the 'GetFirstStoredBlock' function responsibility
is to return the first block containing data. And the current
implementation can return 'start_block' when it has no data!. Which
is misleading at least.
Edge case behavior change:
Previously, if the block tip lacked data but all preceding blocks
contained data, there was no prune violation. And now, such
scenario will result in a prune violation.
7d3b35004b refactor: Move system from util to common library (TheCharlatan)
7eee356c0a refactor: Split util::AnyPtr into its own file (TheCharlatan)
44de325d95 refactor: Split util::insert into its own file (TheCharlatan)
9ec5da36b6 refactor: Move ScheduleBatchPriority to its own file (TheCharlatan)
f871c69191 kernel: Add warning method to notifications (TheCharlatan)
4452707ede kernel: Add progress method to notifications (TheCharlatan)
84d71457e7 kernel: Add headerTip method to notifications (TheCharlatan)
447761c822 kernel: Add notification interface (TheCharlatan)
Pull request description:
This pull request is part of the `libbitcoinkernel` project https://github.com/bitcoin/bitcoin/issues/27587https://github.com/bitcoin/bitcoin/projects/18 and more specifically its "Step 2: Decouple most non-consensus code from libbitcoinkernel".
---
It removes the kernel library's dependency on `util/system` and `interface_ui`. `util/system` contains networking and shell-related code that should not be part of the kernel library. The following pull requests prepared `util/system` for this final step: https://github.com/bitcoin/bitcoin/pull/27419https://github.com/bitcoin/bitcoin/pull/27254https://github.com/bitcoin/bitcoin/pull/27238.
`interface_ui` defines functions for a more general node interface and has a dependency on `boost/signals2`. After applying the patches from this pull request, the kernel's reliance on boost is down to `boost::multiindex`.
The approach implemented here introduces some indirection, which makes the code a bit harder to read. Any suggestions for improving or reworking this pull request to make it more concise, or even reworking it into a more proper interface, are appreciated.
ACKs for top commit:
MarcoFalke:
re-ACK 7d3b35004b (no change) 🎋
stickies-v:
Code Review ACK 7d3b35004b
hebasto:
re-ACK 7d3b35004b, only last two commits dropped since my [recent](https://github.com/bitcoin/bitcoin/pull/27636#pullrequestreview-1435394620) review.
Tree-SHA512: c8cfc698dc9d78e20191c444708f2d957501229abe95e5806106d1126fb9c5fbcee686fb55645658c0107ce71f10646f37a2fdf7fde16bbf22cbf1ac885dd08d
A single outbound slot is required, so if the first two slots
are taken by inbound in-flights, the node will reject additional
unless they are coming from outbound.
This means in the case where a fast sybil peer is attempting to
stall out a node, a single high bandwidth outbound peer can
mitigate the attack.
This commit is part of the libbitcoinkernel project and seeks to remove
the ChainstateManager's and, more generally, the kernel library's
dependency on interface_ui with options methods in this and the
following few commits. By removing interface_ui from the kernel library,
its dependency on boost is reduced to just boost::multi_index.
This is a commit in preparation for the next few commits. The functions
are moved to methods to avoid their re-declaration for the purpose of
passing in BlockManager options.
The functions that were now moved into the BlockManager should no longer
use the params as an argument, but instead use the member variable.
In the moved ReadBlockFromDisk and UndoReadFromDisk, change
the function signature to accept a reference to a CBlockIndex instead of
a raw pointer. The pointer is expected to be non-null, so reflect that
in the type.
To allow for the move of functions to BlockManager methods all call
sites require an instantiated BlockManager, or a callback to one.
This commit effectively moves the definition of these constants
out of the chainparamsbase to their own file.
Using the ChainType enums provides better type safety compared to
passing around strings.
The commit is part of an ongoing effort to decouple the libbitcoinkernel
library from the ArgsManager and other functionality that should not be
part of the kernel library.
b922f6b526 rpc: scanblocks, add "completed" flag to the result obj (furszy)
ce50acc54f rpc: scanblocks, do not traverse the whole chain block by block (furszy)
Pull request description:
Coming from https://github.com/bitcoin/bitcoin/pull/23549#pullrequestreview-1105712566
The current `scanblocks` flow walks-through every block in the active chain
until hits the chain tip or processes 10k blocks, then calls `lookupFilterRange`
function to obtain all filters from that particular range.
This is only done to obtain the heights range to look up the block
filters. Which is unneeded.
As `scanblocks` only lookup block filters in the active chain, we can
directly calculate the lookup range heights, by using the chain tip,
without requiring to traverse the chain block by block.
ACKs for top commit:
achow101:
ACK b922f6b526
TheCharlatan:
ACK b922f6b526
Tree-SHA512: 0587e6d9cf87a59184adb2dbc26a4e2bce3a16233594c6c330f69feb49bf7dc63fdacf44fc20308e93441159ebc604c63eb7de19204d3e745a2ff16004892b45
To tell the user whether the process was aborted or not.
Plus, as the process can be aborted prior to the end range,
have also changed the "to_height" result value to return the
last scanned block instead of the end range block.
The current flow walks-through every block in the active chain until
hits the chain tip or processes 10k blocks, then calls
`lookupFilterRange()` to obtain all the filters from that
particular range.
This is only done to obtain the heights range to look up the block
filters. Which is unneeded.
As `scanblocks` only lookup block filters in the active chain, we can
directly calculate the lookup range heights, by using the chain tip,
without requiring to traverse the chain block by block.
This is an extraction of ArgsManager related functions from util/system
into their own common file.
Config file related functions are moved to common/config.cpp.
The background of this commit is an ongoing effort to decouple the
libbitcoinkernel library from the ArgsManager. The ArgsManager belongs
into the common library, since the kernel library should not depend on
it. See doc/design/libraries.md for more information on this rationale.
The fs.* files are already part of the libbitcoin_util library. With the
introduction of the fs_helpers.* it makes sense to move fs.* into the
util/ directory as well.
fe329dc936 test: Add test for getblockfrompeer on pruned nodes (Fabian Jahr)
cd761e6b2c rpc: Add note on guarantees to getblockfrompeer (Fabian Jahr)
Pull request description:
These are additions to `getblockfrompeer` that I already [suggested on the original PR](https://github.com/bitcoin/bitcoin/pull/20295#pullrequestreview-817157738).
The two commits do the following:
1. Add a test for `getblockfrompeer` usage on pruned nodes. This is important because many use-cases for `getblockfrompeer` are in a context of a pruned node.
2. Add some information on how long the users of pruned nodes can expect the block to be available after they have used the RPC. I think the behavior is not very intuitive for users and I would not be surprised if users expect the block to be available indefinitely.
ACKs for top commit:
Sjors:
re-utACK fe329dc936
MarcoFalke:
review ACK fe329dc936🍉
stratospher:
ACK fe329dc.
brunoerg:
re-ACK fe329dc936
Tree-SHA512: a686bd8955d9c3baf365db384e497d6ee1aa9ce2fdb0733fe6150f7e3d94bae19d55bc1b347f1c9f619e749e18b41a52b9f8c0aa2042dd311a968a4b5d251fac
The rpc command verifychain now fails if the dbcache was not sufficient
to complete the verification at the specified level and depth.
In the same situation, the VerifyDB check during Init will now fail (and lead to
an early shutdown) if the user has explicitly specified -checkblocks or
-checklevel but the check couldn't be executed because of the limited
cache. If the user didn't change any of the two and is using the defaults, log a warning
but don't prevent the node from starting up.
This does not change behavior. It is in preparation for
special handling of the case where VerifyDB doesn't finish
for various reasons, but doesn't fail.
faf7b4f1fc Add BlockManager::IsPruneMode() (MarcoFalke)
fae71fe27e Add BlockManager::GetPruneTarget() (MarcoFalke)
fa0f0436d8 Add BlockManager::LoadingBlocks() (MarcoFalke)
Pull request description:
Requested in https://github.com/bitcoin/bitcoin/pull/25781#discussion_r1061323795, but adding getters seems unrelated from removing globals, so I split it out for now.
ACKs for top commit:
dergoegge:
Code review ACK faf7b4f1fc
brunoerg:
crACK faf7b4f1fc
Tree-SHA512: 204d0e9a0e8b78175482f89b4ce620fba0e65d8e49ad845d187af44d3843f4c733a01bac1ffe5a5319f524d8346123693a456778b69d6c75268c447eb8839642
-BEGIN VERIFY SCRIPT-
sed -i -e "/Deprecated alias for OMITTED, can be removed/d" src/rpc/util.h src/rpc/util.cpp
sed -i -e "s/OMITTED_NAMED_ARG/OMITTED/g" $(git grep -l "OMITTED_NAMED_ARG" src/)
-END VERIFY SCRIPT-
fa9f6d7bcd rpc: Run type check against RPCArgs (MarcoFalke)
faf96721a6 test: Fix wrong types passed to RPCs (MarcoFalke)
Pull request description:
It seems brittle to require `RPCTypeCheck` being called inside the code logic. Without compile-time enforcement this will lead to places where it is forgotten and thus to inconsistencies and bugs. Fix this by removing the calls to `RPCTypeCheck` and doing the check internally.
The changes should be reviewed as refactoring changes. However, if they change behavior, it will be a bugfix. For example the changes here happen to also detect/fix bugs like the one fixed in commit 3b5fb6e77a.
ACKs for top commit:
ajtowns:
ACK fa9f6d7bcd
Tree-SHA512: fb2c0981fe6e24da3ca7dbc06898730779ea4e02ea485458505a281cf421015e44dad0221a04023fc547ea2c660d94657909843fc85d92b847611ec097532439
