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-rw-r--r--src/txmempool.cpp42
1 files changed, 30 insertions, 12 deletions
diff --git a/src/txmempool.cpp b/src/txmempool.cpp
index 39434e4bb6..3ad93342c4 100644
--- a/src/txmempool.cpp
+++ b/src/txmempool.cpp
@@ -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++)