diff options
| -rw-r--r-- | src/kernel/mempool_limits.h | 4 | ||||
| -rw-r--r-- | src/txmempool.cpp | 9 | ||||
| -rw-r--r-- | src/txmempool.h | 14 | ||||
| -rw-r--r-- | src/validation.cpp | 4 |
4 files changed, 11 insertions, 20 deletions
diff --git a/src/kernel/mempool_limits.h b/src/kernel/mempool_limits.h index 083e9681e7..e192e7e6cd 100644 --- a/src/kernel/mempool_limits.h +++ b/src/kernel/mempool_limits.h @@ -16,9 +16,13 @@ namespace kernel { * Most of the time, this struct should be referenced as CTxMemPool::Limits. */ struct MemPoolLimits { + //! The maximum allowed number of transactions in a package including the entry and its ancestors. int64_t ancestor_count{DEFAULT_ANCESTOR_LIMIT}; + //! The maximum allowed size in virtual bytes of an entry and its ancestors within a package. int64_t ancestor_size_vbytes{DEFAULT_ANCESTOR_SIZE_LIMIT_KVB * 1'000}; + //! The maximum allowed number of transactions in a package including the entry and its descendants. int64_t descendant_count{DEFAULT_DESCENDANT_LIMIT}; + //! The maximum allowed size in virtual bytes of an entry and its descendants within a package. int64_t descendant_size_vbytes{DEFAULT_DESCENDANT_SIZE_LIMIT_KVB * 1'000}; }; } // namespace kernel diff --git a/src/txmempool.cpp b/src/txmempool.cpp index 2c2b063133..25019e98ab 100644 --- a/src/txmempool.cpp +++ b/src/txmempool.cpp @@ -107,8 +107,7 @@ size_t CTxMemPoolEntry::GetTxSize() const } void CTxMemPool::UpdateForDescendants(txiter updateIt, cacheMap& cachedDescendants, - const std::set<uint256>& setExclude, std::set<uint256>& descendants_to_remove, - uint64_t ancestor_size_limit, uint64_t ancestor_count_limit) + const std::set<uint256>& setExclude, std::set<uint256>& descendants_to_remove) { CTxMemPoolEntry::Children stageEntries, descendants; stageEntries = updateIt->GetMemPoolChildrenConst(); @@ -148,7 +147,7 @@ void CTxMemPool::UpdateForDescendants(txiter updateIt, cacheMap& cachedDescendan // Don't directly remove the transaction here -- doing so would // invalidate iterators in cachedDescendants. Mark it for removal // by inserting into descendants_to_remove. - if (descendant.GetCountWithAncestors() > ancestor_count_limit || descendant.GetSizeWithAncestors() > ancestor_size_limit) { + if (descendant.GetCountWithAncestors() > uint64_t(m_limits.ancestor_count) || descendant.GetSizeWithAncestors() > uint64_t(m_limits.ancestor_size_vbytes)) { descendants_to_remove.insert(descendant.GetTx().GetHash()); } } @@ -156,7 +155,7 @@ void CTxMemPool::UpdateForDescendants(txiter updateIt, cacheMap& cachedDescendan mapTx.modify(updateIt, update_descendant_state(modifySize, modifyFee, modifyCount)); } -void CTxMemPool::UpdateTransactionsFromBlock(const std::vector<uint256> &vHashesToUpdate, uint64_t ancestor_size_limit, uint64_t ancestor_count_limit) +void CTxMemPool::UpdateTransactionsFromBlock(const std::vector<uint256>& vHashesToUpdate) { AssertLockHeld(cs); // For each entry in vHashesToUpdate, store the set of in-mempool, but not @@ -199,7 +198,7 @@ void CTxMemPool::UpdateTransactionsFromBlock(const std::vector<uint256> &vHashes } } } // release epoch guard for UpdateForDescendants - UpdateForDescendants(it, mapMemPoolDescendantsToUpdate, setAlreadyIncluded, descendants_to_remove, ancestor_size_limit, ancestor_count_limit); + UpdateForDescendants(it, mapMemPoolDescendantsToUpdate, setAlreadyIncluded, descendants_to_remove); } for (const auto& txid : descendants_to_remove) { diff --git a/src/txmempool.h b/src/txmempool.h index 4cc62448f9..2e2cbe526a 100644 --- a/src/txmempool.h +++ b/src/txmempool.h @@ -659,13 +659,8 @@ public: * * @param[in] vHashesToUpdate The set of txids from the * disconnected block that have been accepted back into the mempool. - * @param[in] ancestor_size_limit The maximum allowed size in virtual - * bytes of an entry and its ancestors - * @param[in] ancestor_count_limit The maximum allowed number of - * transactions including the entry and its ancestors. */ - void UpdateTransactionsFromBlock(const std::vector<uint256>& vHashesToUpdate, - uint64_t ancestor_size_limit, uint64_t ancestor_count_limit) EXCLUSIVE_LOCKS_REQUIRED(cs, cs_main) LOCKS_EXCLUDED(m_epoch); + void UpdateTransactionsFromBlock(const std::vector<uint256>& vHashesToUpdate) EXCLUSIVE_LOCKS_REQUIRED(cs, cs_main) LOCKS_EXCLUDED(m_epoch); /** Try to calculate all in-mempool ancestors of entry. * (these are all calculated including the tx itself) @@ -840,14 +835,9 @@ private: * @param[out] descendants_to_remove Populated with the txids of entries that * exceed ancestor limits. It's the responsibility of the caller to * removeRecursive them. - * @param[in] ancestor_size_limit the max number of ancestral bytes allowed - * for any descendant - * @param[in] ancestor_count_limit the max number of ancestor transactions - * allowed for any descendant */ void UpdateForDescendants(txiter updateIt, cacheMap& cachedDescendants, - const std::set<uint256>& setExclude, std::set<uint256>& descendants_to_remove, - uint64_t ancestor_size_limit, uint64_t ancestor_count_limit) EXCLUSIVE_LOCKS_REQUIRED(cs); + const std::set<uint256>& setExclude, std::set<uint256>& descendants_to_remove) EXCLUSIVE_LOCKS_REQUIRED(cs); /** Update ancestors of hash to add/remove it as a descendant transaction. */ void UpdateAncestorsOf(bool add, txiter hash, setEntries &setAncestors) EXCLUSIVE_LOCKS_REQUIRED(cs); /** Set ancestor state for an entry */ diff --git a/src/validation.cpp b/src/validation.cpp index 166aaa56fb..e9abdb7b17 100644 --- a/src/validation.cpp +++ b/src/validation.cpp @@ -320,9 +320,7 @@ void CChainState::MaybeUpdateMempoolForReorg( // previously-confirmed transactions back to the mempool. // UpdateTransactionsFromBlock finds descendants of any transactions in // the disconnectpool that were added back and cleans up the mempool state. - const uint64_t ancestor_count_limit = gArgs.GetIntArg("-limitancestorcount", DEFAULT_ANCESTOR_LIMIT); - const uint64_t ancestor_size_limit = gArgs.GetIntArg("-limitancestorsize", DEFAULT_ANCESTOR_SIZE_LIMIT_KVB) * 1000; - m_mempool->UpdateTransactionsFromBlock(vHashUpdate, ancestor_size_limit, ancestor_count_limit); + m_mempool->UpdateTransactionsFromBlock(vHashUpdate); // Predicate to use for filtering transactions in removeForReorg. // Checks whether the transaction is still final and, if it spends a coinbase output, mature. |