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c58c249a5b694c88122589fedbef4e2f13f08bb4 net_processing: indicate more work to do when orphans are ready to reconsider (Anthony Towns)
ecb0a3e4259b81d6bb74d59a58eb65552c17d8d8 net_processing: Don't process tx after processing orphans (Anthony Towns)
c5837757068bf8ea3e5b6fdad82f69d1deb81545 net_processing: only process orphans before messages (Anthony Towns)
be2304676bedcd15debcdc694549fdd2b255ba62 txorphange: Drop redundant originator arg from GetTxToReconsider (Anthony Towns)
a4fe09973aa82210b98dcb4e4e9f11ef59780f9b txorphanage: index workset by originating peer (Anthony Towns)
Pull request description:
We currently process orphans by assigning them to the peer that provided a missing parent; instead assign them to the peer that provided the orphan in the first place. This prevents a peer from being able to marginally delay another peer's transactions and also simplifies the internal API slightly. Because we're now associating orphan processing with the peer that provided the orphan originally, we no longer process orphans immediately after receiving the parent, but defer until a future call to `ProcessMessage`.
Based on #26295
ACKs for top commit:
naumenkogs:
utACK c58c249a5b694c88122589fedbef4e2f13f08bb4
glozow:
ACK c58c249a5b694c88122589fedbef4e2f13f08bb4
mzumsande:
Code Review ACK c58c249a5b694c88122589fedbef4e2f13f08bb4
Tree-SHA512: 3186c346f21e60440266a2a80a9d23d7b96071414e14b2b3bfe50457c04c18b1eab109c3d8c2a7726a6b10a2eda1f0512510a52c102da112820a26f5d96f12de
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When PR#15644 made orphan processing interruptible, it also introduced a
potential 100ms delay between processing of the first and second newly
reconsiderable orphan, because it didn't check if the orphan work set
was non-empty after invoking ProcessMessage(). This adds that check, so
that ProcessMessages() will return true if there are orphans to process,
usually avoiding the 100ms delay in CConnman::ThreadMessageHandler().
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If we made progress on orphans, consider that enough work for this peer
for this round of ProcessMessages. This also allows cleaning up the api
for TxOrphange:GetTxToReconsider().
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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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-BEGIN VERIFY SCRIPT-
sed -i -e 's/static RecursiveMutex/mutable Mutex/' src/txorphanage.h
sed -i -e '/RecursiveMutex/d' src/txorphanage.cpp
sed -i -e 's/g_cs_orphans/m_mutex/g' $(git grep -l g_cs_orphans src/)
-END VERIFY SCRIPT-
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Previously vExtraTxnForCompact and vExtraTxnForCompactIt were protected
by g_cs_orphans; protect them by g_msgproc_mutex instead, as they
are only used during message processing.
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`LimitOrphans()` can log expired tx and it should log evicted tx as well
instead of returning the number for caller to print the message.
Since `LimitOrphans()` now return void, the redundant assertion check in
fuzz test is also removed.
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When removing the final peer, assert that m_tx_orphanage is empty.
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-BEGIN VERIFY SCRIPT-
sed -i 's/mapOrphanTransactionsByPrev/m_outpoint_to_orphan_it/g' src/txorphanage.h src/txorphanage.cpp
sed -i 's/mapOrphanTransactions/m_orphans/g' src/txorphanage.h src/txorphanage.cpp src/net_processing.cpp src/test/denialofservice_tests.cpp
sed -i 's/g_orphan_list/m_orphan_list/g' src/txorphanage.h src/txorphanage.cpp
sed -i 's/g_orphans_by_wtxid/m_wtxid_to_orphan_it/g' src/txorphanage.h src/txorphanage.cpp
sed -i 's/nMaxOrphans/max_orphans/g' src/txorphanage.h src/txorphanage.cpp
sed -i 's/COrphanTx/OrphanTx/g' src/txorphanage.h src/txorphanage.cpp src/test/denialofservice_tests.cpp
-END VERIFY SCRIPT-
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Collects all the orphan handling globals into a single member var in
net_processing, and ensures access is encapuslated into the interface
functions. Also adds doxygen comments for methods.
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Extract code that erases orphans when a new block is found into
EraseOrphansForBlock.
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Extract code from AddOrphanTx into OrphanageAddTx.
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Extract orphan lookup code into GetOrphanTx function.
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Extract some common code into HaveOrphanTx function.
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Extract some common code into AddChildrenToWorkSet function.
(It's a hard knock life)
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EraseOrphansFor was called both with and without g_cs_orphans held,
correct that so that it's always called with it already held.
LimitOrphanTxSize was always called with g_cs_orphans held, so
add annotations and don't lock it a second time.
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This module captures orphan tracking code for tx relay.
Can be reviewed with --color-moved=dimmed-zebra
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