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Merge bitcoin/bitcoin#29735: AcceptMultipleTransactions: Fix workspace not being set as client_maxfeerate failure

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4ba1d0b553 fuzz: Add coverage for client_maxfeerate (Greg Sanders)
91d7d8f22a AcceptMultipleTransactions: Fix workspace client_maxfeerate (Greg Sanders)
f3aa5bd5eb fill_mempool: assertions and docsctring update (Greg Sanders)
a3da63e8fe Move fill_mempool to util function (Greg Sanders)
73b68bd8b4 fill_mempool: remove subtest-specific comment (Greg Sanders)

Pull request description:

  Bug causes an `Assume()` failure due to the expectation that the individual result should be invalid when done over `submitpackage` via rpc.

  Bug introduced by https://github.com/bitcoin/bitcoin/pull/28950 , and I discovered it rebasing https://github.com/bitcoin/bitcoin/pull/28984 since it's easier to hit in that test scenario.

  Tests in place were only checking `AcceptSingleTransaction`-level checks due to package evaluation only triggering when minfee is too high for the parent transaction.

  Added test along with fix, moving the fill_mempool utility into a common area for re-use.

ACKs for top commit:
  glozow:
    reACK 4ba1d0b553
  theStack:
    ACK 4ba1d0b553
  ismaelsadeeq:
    re-ACK 4ba1d0b553  via [diff](4fe7d150eb..4ba1d0b553)

Tree-SHA512: 3729bdf7f25d04e232f173ccee04ddbb2afdaafa3d04292a01cecf58fb11b3b2bc133e8490277f1a67622b62d17929c242dc980f9bb647896beea4332ee35306
This commit is contained in:
glozow
2024-04-11 14:43:13 +02:00
parent 3f6a6da3b0 4ba1d0b553
commit bdb33ec519
5 changed files with 125 additions and 63 deletions
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4
src/validation.cpp
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@@ -1366,7 +1366,9 @@ PackageMempoolAcceptResult MemPoolAccept::AcceptMultipleTransactions(const std::
// Individual modified feerate exceeded caller-defined max; abort
// N.B. this doesn't take into account CPFPs. Chunk-aware validation may be more robust.
if (args.m_client_maxfeerate && CFeeRate(ws.m_modified_fees, ws.m_vsize) > args.m_client_maxfeerate.value()) {
package_state.Invalid(PackageValidationResult::PCKG_TX, "max feerate exceeded");
// Need to set failure here both individually and at package level
ws.m_state.Invalid(TxValidationResult::TX_MEMPOOL_POLICY, "max feerate exceeded", "");
package_state.Invalid(PackageValidationResult::PCKG_TX, "transaction failed");
// Exit early to avoid doing pointless work. Update the failed tx result; the rest are unfinished.
results.emplace(ws.m_ptx->GetWitnessHash(), MempoolAcceptResult::Failure(ws.m_state));
return PackageMempoolAcceptResult(package_state, std::move(results));