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mempool: Add explicit max_descendants

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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.
This commit is contained in:
Karl-Johan Alm
2018-05-21 11:15:12 +09:00
parent 56f69360dc
commit b9ef21dd72
4 changed files with 8 additions and 6 deletions
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6
src/txmempool.cpp
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@@ -1055,11 +1055,11 @@ void CTxMemPool::TrimToSize(size_t sizelimit, std::vector<COutPoint>* pvNoSpends
}
}
bool CTxMemPool::TransactionWithinChainLimit(const uint256& txid, size_t chainLimit) const {
bool CTxMemPool::TransactionWithinChainLimit(const uint256& txid, size_t ancestor_limit, size_t descendant_limit) const {
LOCK(cs);
auto it = mapTx.find(txid);
return it == mapTx.end() || (it->GetCountWithAncestors() < chainLimit &&
it->GetCountWithDescendants() < chainLimit);
return it == mapTx.end() || (it->GetCountWithAncestors() < ancestor_limit &&
it->GetCountWithDescendants() < descendant_limit);
}
SaltedTxidHasher::SaltedTxidHasher() : k0(GetRand(std::numeric_limits<uint64_t>::max())), k1(GetRand(std::numeric_limits<uint64_t>::max())) {}