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tx pool: Use class methods to hide raw map iterator impl details

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MarcoFalke 2018-07-29 10:41:42 -04:00
parent 4799b0932a
commit faa1a74942
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GPG key ID: CE2B75697E69A548
3 changed files with 46 additions and 29 deletions
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21
src/validation.cpp
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@ -602,10 +602,8 @@ static bool AcceptToMemoryPoolWorker(const CChainParams& chainparams, CTxMemPool
std::set<uint256> setConflicts;
for (const CTxIn &txin : tx.vin)
{
auto itConflicting = pool.mapNextTx.find(txin.prevout);
if (itConflicting != pool.mapNextTx.end())
{
const CTransaction *ptxConflicting = itConflicting->second;
const CTransaction* ptxConflicting = pool.GetConflictTx(txin.prevout);
if (ptxConflicting) {
if (!setConflicts.count(ptxConflicting->GetHash()))
{
// Allow opt-out of transaction replacement by setting
@ -786,16 +784,8 @@ static bool AcceptToMemoryPoolWorker(const CChainParams& chainparams, CTxMemPool
CFeeRate newFeeRate(nModifiedFees, nSize);
std::set<uint256> setConflictsParents;
const int maxDescendantsToVisit = 100;
CTxMemPool::setEntries setIterConflicting;
for (const uint256 &hashConflicting : setConflicts)
{
CTxMemPool::txiter mi = pool.mapTx.find(hashConflicting);
if (mi == pool.mapTx.end())
continue;
// Save these to avoid repeated lookups
setIterConflicting.insert(mi);
const CTxMemPool::setEntries setIterConflicting = pool.GetIterSet(setConflicts);
for (const auto& mi : setIterConflicting) {
// Don't allow the replacement to reduce the feerate of the
// mempool.
//
@ -861,11 +851,12 @@ static bool AcceptToMemoryPoolWorker(const CChainParams& chainparams, CTxMemPool
// Rather than check the UTXO set - potentially expensive -
// it's cheaper to just check if the new input refers to a
// tx that's in the mempool.
if (pool.mapTx.find(tx.vin[j].prevout.hash) != pool.mapTx.end())
if (pool.exists(tx.vin[j].prevout.hash)) {
return state.DoS(0, false,
REJECT_NONSTANDARD, "replacement-adds-unconfirmed", false,
strprintf("replacement %s adds unconfirmed input, idx %d",
hash.ToString(), j));
}
}
}