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In reality some mempool transaction might be submitted in a package,
so change m_submitted_in_package to fuzz data provider boolean just like
m_has_no_mempool_parents.
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The boolean indicates whether the transaction was added without enforcing mempool
fee limits. m_mempool_limit_bypassed is the correct variable name.
Also changes NewMempoolTransactionInfo booleans descriptions to the format that
is consistent with the codebase.
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Interface/CScheduler thread
91504cbe0de2b74ef1aa2709761aaf0597ec66a2 rpc: `SyncWithValidationInterfaceQueue` on fee estimation RPC's (ismaelsadeeq)
714523918ba2b853fc69bee6b04a33ba0c828bf5 tx fees, policy: CBlockPolicyEstimator update from `CValidationInterface` notifications (ismaelsadeeq)
dff5ad3b9944cbb56126ba37a8da180d1327ba39 CValidationInterface: modify the parameter of `TransactionAddedToMempool` (ismaelsadeeq)
91532bd38223d7d04166e05de11d0d0b55e60f13 tx fees, policy: update `CBlockPolicyEstimator::processBlock` parameter (ismaelsadeeq)
bfcd401368fc0dc43827a8969a37b7e038d5ca79 CValidationInterface, mempool: add new callback to `CValidationInterface` (ismaelsadeeq)
0889e07987294d4ef2814abfca16d8e2a0c5f541 tx fees, policy: cast with static_cast instead of C-Style cast (ismaelsadeeq)
a0e3eb7549d2ba4dd3af12b9ce65e29158f59078 tx fees, policy: bugfix: move `removeTx` into reason != `BLOCK` condition (ismaelsadeeq)
Pull request description:
This is an attempt to #11775
This Pr will enable fee estimator to listen to ValidationInterface notifications to process new transactions added and removed from the mempool.
This PR includes the following changes:
- Added a new callback to the Validation Interface `MempoolTransactionsRemovedForConnectedBlock`, which notifies listeners about the transactions that have been removed due to a new block being connected, along with the height at which the transactions were removed.
- Modified the `TransactionAddedToMempool` callback parameter to include additional information about the transaction needed for fee estimation.
- Updated `CBlockPolicyEstimator` to process transactions using` CTransactionRef` instead of `CTxMempoolEntry.`
- Implemented the `CValidationInterface` interface in `CBlockPolicyEstimater` and overridden the `TransactionAddedToMempool`, `TransactionRemovedFromMempool`, and `MempoolTransactionsRemovedForConnectedBlock` methods to receive updates from their notifications.
Prior to this PR, the fee estimator updates from the mempool, i.e whenever a new block is connected all transactions in the block that are in our mempool are going to be removed using the `removeForBlock` function in `txmempool.cpp`.
This removal triggered updates to the fee estimator. As a result, the fee estimator would block mempool's `cs` until it finished updating every time a new block was connected.
Instead of being blocked only on mempool tx removal, we were blocking on both tx removal and fee estimator updating.
If we want to further improve fee estimation, or add heavy-calulation steps to it, it is currently not viable as we would be slowing down block relay in the process
This PR is smaller in terms of the changes made compared to #11775, as it focuses solely on enabling fee estimator updates from the validationInterface/cscheduler thread notifications.
I have not split the validation interface because, as I understand it, the rationale behind the split in #11775 was to have `MempoolInterface` signals come from the mempool and `CValidationInterface` events come from validation. I believe this separation can be achieved in a separate refactoring PR when the need arises.
Also left out some commits from #11775
- Some refactoring which are no longer needed.
- Handle reorgs much better in fee estimator.
- Track witness hash malleation in fee estimator
I believe they are a separate change that can come in a follow-up after this.
ACKs for top commit:
achow101:
ACK 91504cbe0de2b74ef1aa2709761aaf0597ec66a2
TheCharlatan:
Re-ACK 91504cbe0de2b74ef1aa2709761aaf0597ec66a2
willcl-ark:
ACK 91504cbe0de2b74ef1aa2709761aaf0597ec66a2
Tree-SHA512: 846dfb9da57a8a42458827b8975722d153907fe6302ad65748d74f311e1925557ad951c3d95fe71fb90ddcc8a3710c45abb343ab86b88780871cb9c38c72c7b1
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copyable
705e3f1de00bf30d728addd52a790a139d948e32 refactor: Make CTxMemPoolEntry only explicitly copyable (TheCharlatan)
Pull request description:
This has the goal of prohibiting users from accidentally creating runtime failures, e.g. by interacting with iterator_to with a copied entry. This was brought up here: https://github.com/bitcoin/bitcoin/pull/28886#issuecomment-1814794954.
CTxMemPoolEntry is already implicitly not move-constructable. So be explicit about this and use a std::list to collect the values in the policy_estimator fuzz test instead of a std::vector.
ACKs for top commit:
maflcko:
ACK 705e3f1de00bf30d728addd52a790a139d948e32 🌯
achow101:
ACK 705e3f1de00bf30d728addd52a790a139d948e32
ajtowns:
ACK 705e3f1de00bf30d728addd52a790a139d948e32
ismaelsadeeq:
ACK 705e3f1de00bf30d728addd52a790a139d948e32
Tree-SHA512: 62056905c679c919d00f9ae065ed66ac986e7e7062015aea542843d8deecda57104d7a68d002f7b20afa3164f8e9215d2d2d002c167224129540e3b1bd0712cc
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notifications
`CBlockPolicyEstimator` will implement `CValidationInterface` and
subscribe to its notification to process transactions added and removed
from the mempool.
Re-delegate calculation of `validForFeeEstimation` from validation to fee estimator.
Also clean up the validForFeeEstimation arg thats no longer needed in `CTxMempool`.
Co-authored-by: Matt Corallo <git@bluematt.me>
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Update `processBlock` parameter to reference to a vector of `RemovedMempoolTransactionInfo`.
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This has the goal of prohibiting users from accidentally creating
runtime failures, e.g. by interacting with iterator_to with a copied
entry.
CTxMemPoolEntry is already implicitly not move-constructable. So be
explicit about this and use a std::list to collect the values in the
policy_estimator fuzz test instead of a std::vector.
Co-authored-by: Anthony Towns <aj@erisian.com.au>
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faa25718b3f11f24aa41f0968bbd4da104814bc5 fuzz: AutoFile with XOR (MarcoFalke)
fab5cb9066366d93531f34e649a10addf44cd2ca fuzz: Reduce LIMITED_WHILE limit for file fuzzing (MarcoFalke)
fa5388fad3e87d56395bfe2467d2d6448a8f2e40 fuzz: Remove FuzzedAutoFileProvider (MarcoFalke)
Pull request description:
This should help to get fuzz coverage for https://maflcko.github.io/b-c-cov/fuzz.coverage/src/streams.cpp.gcov.html
Also, remove unused code and fix a timeout bug.
ACKs for top commit:
dergoegge:
ACK faa25718b3f11f24aa41f0968bbd4da104814bc5
Tree-SHA512: 56f1e6fd5cb2b66ffd9a7d9c09c9b8e396be3e7485feb03b35b6bd3c48e624fdaed50b472e4ffec21f09efb5e949d7ee32a13851849c9140b6b4cf25917dd7ac
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The code is clearer without it.
This is also needed for a future commit.
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Also, fix iwyu
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-BEGIN VERIFY SCRIPT-
ren() { sed --regexp-extended -i "s|$1|$2|g" $(git grep -l --extended-regexp "$1"); }
# Replace FUZZ_TARGET_INIT
ren 'FUZZ_TARGET_INIT\((.+), (.+)\)' 'FUZZ_TARGET(\1, .init = \2)'
# Delete unused FUZZ_TARGET_INIT
sed -i -e '37,39d' src/test/fuzz/fuzz.h
-END VERIFY SCRIPT-
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If -acceptstalefeeestimates option is passed stale fee estimates can now
be read when operating in regtest environments.
Additionally, this commit updates all declarations of the CBlockPolicyEstimator
class to include a the second constructor variable.
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-BEGIN VERIFY SCRIPT-
./contrib/devtools/copyright_header.py update ./
-END VERIFY SCRIPT-
Commits of previous years:
- 2021: f47dda2c58b5d8d623e0e7ff4e74bc352dfa83d7
- 2020: fa0074e2d82928016a43ca408717154a1c70a4db
- 2019: aaaaad6ac95b402fe18d019d67897ced6b316ee0
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This change nukes the policy/fees->mempool circular dependency.
Easy to review using `diff --color-moved=dimmed-zebra`.
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Moving the mempool code (Boost) out of util.h, results in a ~10% speedup
(for me) when compiling the fuzz tests.
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-BEGIN VERIFY SCRIPT-
perl -0777 -pi -e 's:((\(|\{|,)(\n| )*)\/\* ?([^=* ]+) ?\*\/ ?:\1/*\4=*/:g' $( git ls-files ./src/test ./src/wallet/test )
-END VERIFY SCRIPT-
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Blindly chose a cap of 10000 iterations for every loop, except for
the two in script_ops.cpp and scriptnum_ops.cpp which appeared to
(sometimes) be deserializing individual bytes; capped those to one
million to ensure that sometimes we try working with massive scripts.
There was also one fuzzer-controlled loop in timedata.cpp which was
already capped, so I left that alone.
git grep 'while (fuzz' should now run clean except for timedata.cpp
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Can be reviewed with --color-moved=dimmed-zebra
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-BEGIN VERIFY SCRIPT-
# Rename
sed -i -e 's/MakeFuzzingContext/MakeNoLogFileContext/g' $(git grep -l MakeFuzzingContext)
# Bump the copyright of touched files in this scripted diff to avoid touching them again later
./contrib/devtools/copyright_header.py update ./src/test/fuzz/
-END VERIFY SCRIPT-
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Previously, the {Basic,}TestingSetup for fuzzers were set up in many ways:
1. Calling InitializeFuzzingContext, which implicitly constructs a static
const BasicTestingSetup
2. Directly constructing a static const BasicTestingSetup in the initialize_*
function
3. Directly constructing a static TestingSetup and reproducing the
initialization arguments (I'm assuming because
InitializeFuzzingContext only initializes a BasicTestingSetup)
The new, relatively-simple MakeFuzzingContext function allows us to
consolidate these methods of initialization by being flexible enough to
be used in all situations. It:
1. Is templated so that we can choose to initialize any of
the *TestingSetup classes
2. Has sane defaults which are often used in fuzzers but are also
easily overridable
3. Returns a unique_ptr, explicitly transferring ownership to the caller
to deal with according to its situation
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fa75d40ef866ef9ff8dc115e239ca6763aa23b06 fuzz: Introduce CallOneOf helper to replace switch-case (MarcoFalke)
Pull request description:
The current `switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, nn)) { case 0: ... case 1: ... case nn: ...` has several problems:
* It makes it hard to review newly added targets, because it requires manual counting of cases
* It makes it hard to update a target, because updating all case labels is trivial, but tedious to review and causes merge conflicts
* ~~Updating the target raises the question whether the case labels should be preserved to not invalidate the existing fuzz inputs format. Fuzz input format might already change implicitly on every commit, so this isn't something worthwhile to pursue.~~ Edit: This pull doesn't fix this problem.
Fix all issues by adding a new `CallOneOf` helper
ACKs for top commit:
ajtowns:
ACK fa75d40ef866ef9ff8dc115e239ca6763aa23b06 - code review only
jnewbery:
utACK fa75d40ef866ef9ff8dc115e239ca6763aa23b06
Tree-SHA512: 2daa602b240b86c8e85a024e008f03a57ba60349377eed771f4d21a97a9dba9b66e93fff16ff1992018d4330be7a1a276944c3dfdf698748ce135626c380e563
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Can be reviewed with --ignore-all-space
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(policy/fees.h)
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