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

This commit is contained in:
MarcoFalke
2018-07-29 10:41:42 -04:00
parent 4799b0932a
commit faa1a74942
3 changed files with 46 additions and 29 deletions
+30 -12
View File
@@ -156,9 +156,9 @@ bool CTxMemPool::CalculateMemPoolAncestors(const CTxMemPoolEntry &entry, setEntr
// GetMemPoolParents() is only valid for entries in the mempool, so we
// iterate mapTx to find parents.
for (unsigned int i = 0; i < tx.vin.size(); i++) {
txiter piter = mapTx.find(tx.vin[i].prevout.hash);
if (piter != mapTx.end()) {
parentHashes.insert(piter);
boost::optional<txiter> piter = GetIter(tx.vin[i].prevout.hash);
if (piter) {
parentHashes.insert(*piter);
if (parentHashes.size() + 1 > limitAncestorCount) {
errString = strprintf("too many unconfirmed parents [limit: %u]", limitAncestorCount);
return false;
@@ -364,12 +364,10 @@ void CTxMemPool::addUnchecked(const CTxMemPoolEntry &entry, setEntries &setAnces
// Update transaction for any feeDelta created by PrioritiseTransaction
// TODO: refactor so that the fee delta is calculated before inserting
// into mapTx.
std::map<uint256, CAmount>::const_iterator pos = mapDeltas.find(entry.GetTx().GetHash());
if (pos != mapDeltas.end()) {
const CAmount &delta = pos->second;
if (delta) {
CAmount delta{0};
ApplyDelta(entry.GetTx().GetHash(), delta);
if (delta) {
mapTx.modify(newit, update_fee_delta(delta));
}
}
// Update cachedInnerUsage to include contained transaction's usage.
@@ -391,11 +389,8 @@ void CTxMemPool::addUnchecked(const CTxMemPoolEntry &entry, setEntries &setAnces
// to clean up the mess we're leaving here.
// Update ancestors with information about this tx
for (const uint256 &phash : setParentTransactions) {
txiter pit = mapTx.find(phash);
if (pit != mapTx.end()) {
for (const auto& pit : GetIterSet(setParentTransactions)) {
UpdateParent(newit, pit, true);
}
}
UpdateAncestorsOf(true, newit, setAncestors);
UpdateEntryForAncestors(newit, setAncestors);
@@ -864,6 +859,29 @@ void CTxMemPool::ClearPrioritisation(const uint256 hash)
mapDeltas.erase(hash);
}
const CTransaction* CTxMemPool::GetConflictTx(const COutPoint& prevout) const
{
const auto it = mapNextTx.find(prevout);
return it == mapNextTx.end() ? nullptr : it->second;
}
boost::optional<CTxMemPool::txiter> CTxMemPool::GetIter(const uint256& txid) const
{
auto it = mapTx.find(txid);
if (it != mapTx.end()) return it;
return boost::optional<txiter>{};
}
CTxMemPool::setEntries CTxMemPool::GetIterSet(const std::set<uint256>& hashes) const
{
CTxMemPool::setEntries ret;
for (const auto& h : hashes) {
const auto mi = GetIter(h);
if (mi) ret.insert(*mi);
}
return ret;
}
bool CTxMemPool::HasNoInputsOf(const CTransaction &tx) const
{
for (unsigned int i = 0; i < tx.vin.size(); i++)