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path: root/src/txmempool.h
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2020-05-25[trivial/doc] Fix comment typeAmiti Uttarwar
2020-05-25[trivial] Remove misleading 'const'Amiti Uttarwar
Returning by const value is only meaningful in a specific circumstance around user defined types. In this case, the const is not enforcing any restrictions on the call site, so is misleading.
2020-05-19[mempool] sanity check that all unbroadcast txns are in mempoolgzhao408
- before reattempting broadcast for unbroadcast txns, check they are in mempool and remove if not - this protects from memory leaks and network spam just in case unbroadcast set (incorrectly) has extra txns - check that tx is in mempool before adding to unbroadcast set to try to prevent this from happening
2020-05-19[rpc] add unbroadcast info to mempool entries and getmempoolinfogzhao408
- expose info about number of txns in unbroadcast set and whether a mempool entry's tx has passed initial broadcast - makes rpcs more informative and allows for more explicit testing, eg tracking if tx is in unbroadcast set before and after originating node connects to peers (adds this in mempool_unbroadcast.py) - adds mempool method IsUnbroadcastTx to query for tx inclusion in mempool's unbroadcast set
2020-04-23[mempool] Track "unbroadcast" transactionsAmiti Uttarwar
- Mempool tracks locally submitted transactions (wallet or rpc) - Transactions are removed from set when the node receives a GETDATA request from a peer, or if the transaction is removed from the mempool.
2020-03-19Merge #17477: Remove the mempool's NotifyEntryAdded and NotifyEntryRemoved ↵Wladimir J. van der Laan
signals e57980b4738c10344baf136de3e050a3cb958ca5 [mempool] Remove NotifyEntryAdded and NotifyEntryRemoved callbacks (John Newbery) 2dd561f36124972d2364f941de9c3417c65f05b6 [validation] Remove pool member from ConnectTrace (John Newbery) 969b65f3f527631ede1a31c7855151e5c5d91f8f [validation] Remove NotifyEntryRemoved callback from ConnectTrace (John Newbery) 5613f9842b4000fed088b8cf7b99674c328d15e1 [validation] Remove conflictedTxs from PerBlockConnectTrace (John Newbery) cdb893443cc16edf974f099b8485e04b3db1b1d7 [validation interface] Remove vtxConflicted from BlockConnected (John Newbery) 1168394d759b13af68acec6d5bfa04aaa24561f8 [wallet] Notify conflicted transactions in TransactionRemovedFromMempool (John Newbery) Pull request description: These boost signals were added in #9371, before we had a `TransactionRemovedFromMempool` method in the validation interface. The `NotifyEntryAdded` callback was used by validation to build a vector of conflicted transactions when connecting a block, which the wallet was notified of in the `BlockConnected` CValidationInterface callback. Now that we have a `TransactionRemovedFromMempool` callback, we can fire that signal directly from the mempool for conflicted transactions. Note that #9371 was implemented to ensure `-walletnotify` events were fired for these conflicted transaction. We inadvertently stopped sending these notifications in #16624 (Sep 2019 commit 7e89994). We should probably fix that, but in a different PR. ACKs for top commit: jonatack: Re-ACK e57980b ryanofsky: Code review ACK e57980b4738c10344baf136de3e050a3cb958ca5, no code changes since previous review, but helpful new code comments have been added and the PR description is now more clear about where the old code came from Tree-SHA512: 3bdbaf1ef2731e788462d4756e69c42a1efdcf168691ce1bbfdaa4b7b55ac3c5b1fd4ab7b90bcdec653703600501b4224d252cfc086aef28f9ce0da3b0563a69
2020-03-11[mempool] Remove NotifyEntryAdded and NotifyEntryRemoved callbacksJohn Newbery
NotifyEntryAdded never had any subscribers so can be removed. Since ConnectTrace no longer subscribes to NotifyEntryRemoved, there are now no subscribers. The CValidationInterface TransactionAddedToMempool and TransactionRemovedFromMempool methods can now provide this functionality. There's no need for a special notifications framework for the mempool.
2020-03-02doc: Correct spelling errors in commentsBen Woosley
And ci script output. Identified via test/lint/lint-spelling
2020-02-03Merge #17925: Improve UpdateTransactionsFromBlock with EpochsWladimir J. van der Laan
bd5a02692853f7240a4fdc593d7d0123d7916e45 Make UpdateTransactionsFromBlock use Epochs (Jeremy Rubin) 2ccb7cca4ac67198ac89bd58f5b4ae41a5163ceb Add Epoch Guards to CTXMemPoolEntry and CTxMemPool (Jeremy Rubin) Pull request description: UpdateTransactionsFromBlock is called during a re-org. When a re-org occurs, all of the transactions in the mempool may be descendants from a transaction which is in the pre-reorg block. This can cause us to propagate updates, worst case, to every transaction in the mempool. Because we construct a `setEntries setChildren`, which is backed by a `std::set`, it is possible that this algorithm is `O(N log N)`. By using an Epoch visitor pattern, we can limit this to `O(N)` worst case behavior. Epochs are also less resource intensive than almost any set option (e.g., hash set) because they are allocation free. This PR is related to https://github.com/bitcoin/bitcoin/pull/17268, it is a small subset of the changes which have been refactored slightly to ease review. If this PR gets review & merge, I will follow up with more PRs (similar to #17268) to improve the mempool ACKs for top commit: sdaftuar: ACK bd5a02692853f7240a4fdc593d7d0123d7916e45 adamjonas: Just to summarize for those looking to review - as of bd5a026 there are 3 ACKs (@sdaftuar, @ariard, and @hebasto) and one "looks good" from @ajtowns with no NACKs or any show-stopping concerns raised. ajtowns: ACK bd5a02692853f7240a4fdc593d7d0123d7916e45 (code review) ariard: Code review ACK bd5a026 hebasto: ACK bd5a02692853f7240a4fdc593d7d0123d7916e45, modulo some nits and a typo. Tree-SHA512: f0d2291085019ffb4e1119edeb9f4a89c1a572d1cb5b4bdf5743dd0152e721e1935f5155dcae84e1e5bda5ffdf6224c488c1e200bd33bedca9f5ca22d5f5139f
2020-01-14Add Epoch Guards to CTXMemPoolEntry and CTxMemPoolJeremy Rubin
2020-01-15scripted-diff: Bump copyright of files changed in 2020MarcoFalke
-BEGIN VERIFY SCRIPT- ./contrib/devtools/copyright_header.py update ./ -END VERIFY SCRIPT-
2020-01-15scripted-diff: Replace CCriticalSection with RecursiveMutexMarcoFalke
-BEGIN VERIFY SCRIPT- # Delete outdated alias for RecursiveMutex sed -i -e '/CCriticalSection/d' ./src/sync.h # Replace use of outdated alias with RecursiveMutex sed -i -e 's/CCriticalSection/RecursiveMutex/g' $(git grep -l CCriticalSection) -END VERIFY SCRIPT-
2019-12-30scripted-diff: Bump copyright of files changed in 2019MarcoFalke
-BEGIN VERIFY SCRIPT- ./contrib/devtools/copyright_header.py update ./ -END VERIFY SCRIPT-
2019-11-09Remove unnecessary forward declarationMark Erhardt
2019-10-30refactor: Replace all uses of boost::optional with our own Optional typeWladimir J. van der Laan
After this: - `boost::optional` is no longer used directly (only through `Optional` which is an alias for it) - `boost/optional.hpp` is only included in one place
2019-10-15Remove unused includespracticalswift
2019-10-03feefilter: Compute the absolute fee rather than stored rate to match mempool ↵Gregory Sanders
acceptance logic
2019-09-23txmempool: Make entry time type-safe (std::chrono)MarcoFalke
2019-08-06refactor: pcoinsTip -> CChainState::CoinsTip()James O'Beirne
This aliasing makes subsequent commits easier to review; eventually CoinsTip() will return the CCoinsViewCache managed by CChainState.
2019-07-22txmempool: Remove unused default value MemPoolRemovalReason::UNKNOWNMarcoFalke
2019-06-07validation: Add missing mempool locksMarcoFalke
2019-06-07txpool: Make nTransactionsUpdated atomicMarcoFalke
2019-05-03scripted-diff: replace chainActive -> ::ChainActive()James O'Beirne
Though at the moment ChainActive() simply references `g_chainstate.m_chain`, doing this change now clears the way for multiple chainstate usage and allows us to script the diff. -BEGIN VERIFY SCRIPT- git grep -l "chainActive" | grep -E '(h|cpp)$' | xargs sed -i '/chainActive =/b; /extern CChain& chainActive/b; s/\(::\)\{0,1\}chainActive/::ChainActive()/g' -END VERIFY SCRIPT-
2019-03-22Move g_is_mempool_loaded into CTxMemPool::m_is_loadedBen Woosley
So the loaded state is explicitly mempool-specific.
2019-02-25rpc: Pass mempool into MempoolToJSONMarcoFalke
2019-02-04remove deprecated mentions of signrawtransaction from fundraw helpGregory Sanders
2018-12-22validation: Add cs_main locking annotationsMarcoFalke
2018-12-20doc: Add comment to cs_main and mempool::csMarcoFalke
2018-11-05Extract CSipHasher to it's own file in crypto/ directory.Jim Posen
This is a move-only commit with the exception of changes to includes.
2018-09-26doxygen: Fix member commentsMarcoFalke
2018-09-07tx pool: Use class methods to hide raw map iterator impl detailsMarcoFalke
2018-08-29Merge #13792: tx pool: Avoid passing redundant hash into addUnchecked ↵Wladimir J. van der Laan
(scripted-diff) fa587773e59721e187cadc998f4dc236ad3aef0b scripted-diff: Remove unused first argument to addUnchecked (MarcoFalke) fe5c49766c0dc5beaf186d77b568361242b20d5e tx pool: Use the entry's hash instead of the one passed to addUnchecked (MarcoFalke) ddd395f968a050be5dd0ae21ba7d189b6b7f73fd Mark CTxMemPoolEntry members that should not be modified const (MarcoFalke) Pull request description: Several years ago the transaction hash was not cached. For optimization the hash was instead passed into `addUnchecked` to avoid re-calculating it. See f77654a0e9424f13cad04f82c014abd78fbb5e38 Passing in the hash is now redundant and the argument can safely be removed. Tree-SHA512: 0206b65c7a014295f67574120e8c5397bf1b1bd70c918ae1360ab093676f7f89a6f084fd2c7000a141baebfe63fe6f515559e38c4ac71810ba64f949f9c0467f
2018-08-26Move cs_main locking annotations from .cpp to .hpracticalswift
2018-08-08Merge #13780: 0.17: Pre-branch maintenanceWladimir J. van der Laan
3fc20632a3ad30809356a58d2cf0ea4a4ad4cec3 qt: Set BLOCK_CHAIN_SIZE = 220 (DrahtBot) 2b6a2f4a28792f2fe9dc1be843b1ff1ecae35e8a Regenerate manpages (DrahtBot) eb7daf4d600eeb631427c018a984a77a34aca66e Update copyright headers to 2018 (DrahtBot) Pull request description: Some trivial maintenance to avoid having to do it again after the 0.17 branch off. (The scripts to do this are in `./contrib/`) Tree-SHA512: 16b2af45e0351b1c691c5311d48025dc6828079e98c2aa2e600dc5910ee8aa01858ca6c356538150dc46fe14c8819ed8ec8e4ec9a0f682b9950dd41bc50518fa
2018-07-30scripted-diff: Remove unused first argument to addUncheckedMarcoFalke
-BEGIN VERIFY SCRIPT- git grep -l addUnchecked | xargs sed --regexp-extended -i -e 's/addUnchecked\([^)][^,]+,\s*/addUnchecked(/g' -END VERIFY SCRIPT-
2018-07-30Mark CTxMemPoolEntry members that should not be modified constMarcoFalke
2018-07-29refactor: Avoid locking tx pool cs thriceMarcoFalke
2018-07-27Return void instead of bool for functions that cannot failpracticalswift
* CBlockTreeDB::ReadReindexing(...) * CChainState::ResetBlockFailureFlags(...) * CTxMemPool::addUnchecked(...) * CWallet::LoadDestData(...) * CWallet::LoadKeyMetadata(...) * CWallet::LoadScriptMetadata(...) * CWallet::LoadToWallet(...) * CWallet::SetHDChain(...) * CWallet::SetHDSeed(...) * RemoveLocal(...) * SetMinVersion(...) * StartHTTPServer(...) * StartRPC(...) * TorControlConnection::Disconnect(...)
2018-07-27Update copyright headers to 2018DrahtBot
2018-07-24scripted-diff: Remove trailing whitespacesJoão Barbosa
-BEGIN VERIFY SCRIPT- sed --in-place'' --regexp-extended 's/[[:space:]]+$//g' $(git grep -I --files-with-matches --extended-regexp '[[:space:]]+$' -- src test ':!*.svg' ':!src/crypto/sha256_sse4*' ':!src/leveldb' ':!src/qt/locale' ':!src/secp256k1' ':!src/univalue') -END VERIFY SCRIPT-
2018-07-21Avoid locking mutexes that are already held by the same threadpracticalswift
2018-06-24doc: Clarify that mempool txiter is const_iteratorMarcoFalke
2018-06-11Remove deprecated TransactionWithinChainLimitKarl-Johan Alm
2018-06-11Add GetTransactionAncestry to CTxMemPool for general purpose chain limit ↵Karl-Johan Alm
checking
2018-06-11mempool: Fix max descendants checkKarl-Johan Alm
The chain limits check for max descendants would check the descendants of the transaction itself even though the description for -limitdescendantcount says 'any ancestor'. This commit corrects the descendant count check by finding the top parent transaction in the mempool and comparing against that.
2018-06-11mempool: Add explicit max_descendantsKarl-Johan Alm
TransactionWithinChainLimits would take a 'limit' and check it against ascendants and descendants. This is changed to take an explicit max ancestors and max descendants value, and to test the corresponding value against its corresponding max.
2018-05-05Add Clang thread safety analysis annotationspracticalswift
2018-05-05Fix missing locking in CTxMemPool::setSanityCheck(double dFrequency)practicalswift
* writing variable 'nCheckFrequency' requires holding mutex 'cs'
2018-05-05Add compile time checking for all ::mempool.cs runtime locking assertionspracticalswift
2018-04-02Merge #11742: rpc: Add testmempoolacceptWladimir J. van der Laan
b55555d rpc: Add testmempoolaccept (MarcoFalke) Pull request description: To check if a single raw transaction makes it into the current transaction pool, one had to call `sendrawtransaction`. However, on success, this adds the transaction to the mempool with no easy way to undo. The call `testmempoolaccept` is introduced to provide a way to solely check the result without changing the mempool state. Tree-SHA512: 5afd9311190135cee8fc1f229c7d39bf893f1028f29e28d34f70df820198ff97b4bf86b41cbbd6e6c36a5c30073cefa92d541c74a4939c7a2a6fa283dfd41b63
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