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-rwxr-xr-xqa/rpc-tests/mempool_packages.py24
-rw-r--r--src/rpcblockchain.cpp4
-rw-r--r--src/txmempool.cpp53
-rw-r--r--src/txmempool.h43
4 files changed, 78 insertions, 46 deletions
diff --git a/qa/rpc-tests/mempool_packages.py b/qa/rpc-tests/mempool_packages.py
index 34b316a6a3..063308d394 100755
--- a/qa/rpc-tests/mempool_packages.py
+++ b/qa/rpc-tests/mempool_packages.py
@@ -64,17 +64,41 @@ class MempoolPackagesTest(BitcoinTestFramework):
for x in reversed(chain):
assert_equal(mempool[x]['descendantcount'], descendant_count)
descendant_fees += mempool[x]['fee']
+ assert_equal(mempool[x]['modifiedfee'], mempool[x]['fee'])
assert_equal(mempool[x]['descendantfees'], SATOSHIS*descendant_fees)
descendant_size += mempool[x]['size']
assert_equal(mempool[x]['descendantsize'], descendant_size)
descendant_count += 1
+ # Check that descendant modified fees includes fee deltas from
+ # prioritisetransaction
+ self.nodes[0].prioritisetransaction(chain[-1], 0, 1000)
+ mempool = self.nodes[0].getrawmempool(True)
+
+ descendant_fees = 0
+ for x in reversed(chain):
+ descendant_fees += mempool[x]['fee']
+ assert_equal(mempool[x]['descendantfees'], SATOSHIS*descendant_fees+1000)
+
# Adding one more transaction on to the chain should fail.
try:
self.chain_transaction(self.nodes[0], txid, vout, value, fee, 1)
except JSONRPCException as e:
print "too-long-ancestor-chain successfully rejected"
+ # Check that prioritising a tx before it's added to the mempool works
+ self.nodes[0].generate(1)
+ self.nodes[0].prioritisetransaction(chain[-1], 0, 2000)
+ self.nodes[0].invalidateblock(self.nodes[0].getbestblockhash())
+ mempool = self.nodes[0].getrawmempool(True)
+
+ descendant_fees = 0
+ for x in reversed(chain):
+ descendant_fees += mempool[x]['fee']
+ if (x == chain[-1]):
+ assert_equal(mempool[x]['modifiedfee'], mempool[x]['fee']+satoshi_round(0.00002))
+ assert_equal(mempool[x]['descendantfees'], SATOSHIS*descendant_fees+2000)
+
# TODO: check that node1's mempool is as expected
# TODO: test ancestor size limits
diff --git a/src/rpcblockchain.cpp b/src/rpcblockchain.cpp
index ee04636ce8..73e6f8029b 100644
--- a/src/rpcblockchain.cpp
+++ b/src/rpcblockchain.cpp
@@ -197,7 +197,7 @@ UniValue mempoolToJSON(bool fVerbose = false)
info.push_back(Pair("currentpriority", e.GetPriority(chainActive.Height())));
info.push_back(Pair("descendantcount", e.GetCountWithDescendants()));
info.push_back(Pair("descendantsize", e.GetSizeWithDescendants()));
- info.push_back(Pair("descendantfees", e.GetFeesWithDescendants()));
+ info.push_back(Pair("descendantfees", e.GetModFeesWithDescendants()));
const CTransaction& tx = e.GetTx();
set<string> setDepends;
BOOST_FOREACH(const CTxIn& txin, tx.vin)
@@ -255,7 +255,7 @@ UniValue getrawmempool(const UniValue& params, bool fHelp)
" \"currentpriority\" : n, (numeric) transaction priority now\n"
" \"descendantcount\" : n, (numeric) number of in-mempool descendant transactions (including this one)\n"
" \"descendantsize\" : n, (numeric) size of in-mempool descendants (including this one)\n"
- " \"descendantfees\" : n, (numeric) fees of in-mempool descendants (including this one)\n"
+ " \"descendantfees\" : n, (numeric) modified fees (see above) of in-mempool descendants (including this one)\n"
" \"depends\" : [ (array) unconfirmed transactions used as inputs for this transaction\n"
" \"transactionid\", (string) parent transaction id\n"
" ... ]\n"
diff --git a/src/txmempool.cpp b/src/txmempool.cpp
index fea5da8029..c72a1e8c19 100644
--- a/src/txmempool.cpp
+++ b/src/txmempool.cpp
@@ -33,7 +33,7 @@ CTxMemPoolEntry::CTxMemPoolEntry(const CTransaction& _tx, const CAmount& _nFee,
nCountWithDescendants = 1;
nSizeWithDescendants = nTxSize;
- nFeesWithDescendants = nFee;
+ nModFeesWithDescendants = nFee;
CAmount nValueIn = tx.GetValueOut()+nFee;
assert(inChainInputValue <= nValueIn);
@@ -57,6 +57,7 @@ CTxMemPoolEntry::GetPriority(unsigned int currentHeight) const
void CTxMemPoolEntry::UpdateFeeDelta(int64_t newFeeDelta)
{
+ nModFeesWithDescendants += newFeeDelta - feeDelta;
feeDelta = newFeeDelta;
}
@@ -114,7 +115,7 @@ bool CTxMemPool::UpdateForDescendants(txiter updateIt, int maxDescendantsToVisit
BOOST_FOREACH(txiter cit, setAllDescendants) {
if (!setExclude.count(cit->GetTx().GetHash())) {
modifySize += cit->GetTxSize();
- modifyFee += cit->GetFee();
+ modifyFee += cit->GetModifiedFee();
modifyCount++;
cachedDescendants[updateIt].insert(cit);
}
@@ -244,7 +245,7 @@ void CTxMemPool::UpdateAncestorsOf(bool add, txiter it, setEntries &setAncestors
}
const int64_t updateCount = (add ? 1 : -1);
const int64_t updateSize = updateCount * it->GetTxSize();
- const CAmount updateFee = updateCount * it->GetFee();
+ const CAmount updateFee = updateCount * it->GetModifiedFee();
BOOST_FOREACH(txiter ancestorIt, setAncestors) {
mapTx.modify(ancestorIt, update_descendant_state(updateSize, updateFee, updateCount));
}
@@ -304,7 +305,7 @@ void CTxMemPoolEntry::SetDirty()
{
nCountWithDescendants = 0;
nSizeWithDescendants = nTxSize;
- nFeesWithDescendants = nFee;
+ nModFeesWithDescendants = GetModifiedFee();
}
void CTxMemPoolEntry::UpdateState(int64_t modifySize, CAmount modifyFee, int64_t modifyCount)
@@ -312,8 +313,7 @@ void CTxMemPoolEntry::UpdateState(int64_t modifySize, CAmount modifyFee, int64_t
if (!IsDirty()) {
nSizeWithDescendants += modifySize;
assert(int64_t(nSizeWithDescendants) > 0);
- nFeesWithDescendants += modifyFee;
- assert(nFeesWithDescendants >= 0);
+ nModFeesWithDescendants += modifyFee;
nCountWithDescendants += modifyCount;
assert(int64_t(nCountWithDescendants) > 0);
}
@@ -372,6 +372,17 @@ bool CTxMemPool::addUnchecked(const uint256& hash, const CTxMemPoolEntry &entry,
indexed_transaction_set::iterator newit = mapTx.insert(entry).first;
mapLinks.insert(make_pair(newit, TxLinks()));
+ // Update transaction for any feeDelta created by PrioritiseTransaction
+ // TODO: refactor so that the fee delta is calculated before inserting
+ // into mapTx.
+ std::map<uint256, std::pair<double, CAmount> >::const_iterator pos = mapDeltas.find(hash);
+ if (pos != mapDeltas.end()) {
+ const std::pair<double, CAmount> &deltas = pos->second;
+ if (deltas.second) {
+ mapTx.modify(newit, update_fee_delta(deltas.second));
+ }
+ }
+
// Update cachedInnerUsage to include contained transaction's usage.
// (When we update the entry for in-mempool parents, memory usage will be
// further updated.)
@@ -399,15 +410,6 @@ bool CTxMemPool::addUnchecked(const uint256& hash, const CTxMemPoolEntry &entry,
}
UpdateAncestorsOf(true, newit, setAncestors);
- // Update transaction's score for any feeDelta created by PrioritiseTransaction
- std::map<uint256, std::pair<double, CAmount> >::const_iterator pos = mapDeltas.find(hash);
- if (pos != mapDeltas.end()) {
- const std::pair<double, CAmount> &deltas = pos->second;
- if (deltas.second) {
- mapTx.modify(newit, update_fee_delta(deltas.second));
- }
- }
-
nTransactionsUpdated++;
totalTxSize += entry.GetTxSize();
minerPolicyEstimator->processTransaction(entry, fCurrentEstimate);
@@ -644,27 +646,24 @@ void CTxMemPool::check(const CCoinsViewCache *pcoins) const
CTxMemPool::setEntries setChildrenCheck;
std::map<COutPoint, CInPoint>::const_iterator iter = mapNextTx.lower_bound(COutPoint(it->GetTx().GetHash(), 0));
int64_t childSizes = 0;
- CAmount childFees = 0;
+ CAmount childModFee = 0;
for (; iter != mapNextTx.end() && iter->first.hash == it->GetTx().GetHash(); ++iter) {
txiter childit = mapTx.find(iter->second.ptx->GetHash());
assert(childit != mapTx.end()); // mapNextTx points to in-mempool transactions
if (setChildrenCheck.insert(childit).second) {
childSizes += childit->GetTxSize();
- childFees += childit->GetFee();
+ childModFee += childit->GetModifiedFee();
}
}
assert(setChildrenCheck == GetMemPoolChildren(it));
- // Also check to make sure size/fees is greater than sum with immediate children.
+ // Also check to make sure size is greater than sum with immediate children.
// just a sanity check, not definitive that this calc is correct...
- // also check that the size is less than the size of the entire mempool.
if (!it->IsDirty()) {
assert(it->GetSizeWithDescendants() >= childSizes + it->GetTxSize());
- assert(it->GetFeesWithDescendants() >= childFees + it->GetFee());
} else {
assert(it->GetSizeWithDescendants() == it->GetTxSize());
- assert(it->GetFeesWithDescendants() == it->GetFee());
+ assert(it->GetModFeesWithDescendants() == it->GetModifiedFee());
}
- assert(it->GetFeesWithDescendants() >= 0);
if (fDependsWait)
waitingOnDependants.push_back(&(*it));
@@ -788,6 +787,14 @@ void CTxMemPool::PrioritiseTransaction(const uint256 hash, const string strHash,
txiter it = mapTx.find(hash);
if (it != mapTx.end()) {
mapTx.modify(it, update_fee_delta(deltas.second));
+ // Now update all ancestors' modified fees with descendants
+ setEntries setAncestors;
+ uint64_t nNoLimit = std::numeric_limits<uint64_t>::max();
+ std::string dummy;
+ CalculateMemPoolAncestors(*it, setAncestors, nNoLimit, nNoLimit, nNoLimit, nNoLimit, dummy, false);
+ BOOST_FOREACH(txiter ancestorIt, setAncestors) {
+ mapTx.modify(ancestorIt, update_descendant_state(0, nFeeDelta, 0));
+ }
}
}
LogPrintf("PrioritiseTransaction: %s priority += %f, fee += %d\n", strHash, dPriorityDelta, FormatMoney(nFeeDelta));
@@ -956,7 +963,7 @@ void CTxMemPool::TrimToSize(size_t sizelimit, std::vector<uint256>* pvNoSpendsRe
// "minimum reasonable fee rate" (ie some value under which we consider txn
// to have 0 fee). This way, we don't allow txn to enter mempool with feerate
// equal to txn which were removed with no block in between.
- CFeeRate removed(it->GetFeesWithDescendants(), it->GetSizeWithDescendants());
+ CFeeRate removed(it->GetModFeesWithDescendants(), it->GetSizeWithDescendants());
removed += minReasonableRelayFee;
trackPackageRemoved(removed);
maxFeeRateRemoved = std::max(maxFeeRateRemoved, removed);
diff --git a/src/txmempool.h b/src/txmempool.h
index 9203171868..4b726cc902 100644
--- a/src/txmempool.h
+++ b/src/txmempool.h
@@ -44,12 +44,12 @@ class CTxMemPool;
* ("descendant" transactions).
*
* When a new entry is added to the mempool, we update the descendant state
- * (nCountWithDescendants, nSizeWithDescendants, and nFeesWithDescendants) for
+ * (nCountWithDescendants, nSizeWithDescendants, and nModFeesWithDescendants) for
* all ancestors of the newly added transaction.
*
* If updating the descendant state is skipped, we can mark the entry as
- * "dirty", and set nSizeWithDescendants/nFeesWithDescendants to equal nTxSize/
- * nTxFee. (This can potentially happen during a reorg, where we limit the
+ * "dirty", and set nSizeWithDescendants/nModFeesWithDescendants to equal nTxSize/
+ * nFee+feeDelta. (This can potentially happen during a reorg, where we limit the
* amount of work we're willing to do to avoid consuming too much CPU.)
*
*/
@@ -74,11 +74,11 @@ private:
// Information about descendants of this transaction that are in the
// mempool; if we remove this transaction we must remove all of these
// descendants as well. if nCountWithDescendants is 0, treat this entry as
- // dirty, and nSizeWithDescendants and nFeesWithDescendants will not be
+ // dirty, and nSizeWithDescendants and nModFeesWithDescendants will not be
// correct.
uint64_t nCountWithDescendants; //! number of descendant transactions
uint64_t nSizeWithDescendants; //! ... and size
- CAmount nFeesWithDescendants; //! ... and total fees (all including us)
+ CAmount nModFeesWithDescendants; //! ... and total fees (all including us)
public:
CTxMemPoolEntry(const CTransaction& _tx, const CAmount& _nFee,
@@ -104,7 +104,8 @@ public:
// Adjusts the descendant state, if this entry is not dirty.
void UpdateState(int64_t modifySize, CAmount modifyFee, int64_t modifyCount);
- // Updates the fee delta used for mining priority score
+ // Updates the fee delta used for mining priority score, and the
+ // modified fees with descendants.
void UpdateFeeDelta(int64_t feeDelta);
/** We can set the entry to be dirty if doing the full calculation of in-
@@ -116,7 +117,7 @@ public:
uint64_t GetCountWithDescendants() const { return nCountWithDescendants; }
uint64_t GetSizeWithDescendants() const { return nSizeWithDescendants; }
- CAmount GetFeesWithDescendants() const { return nFeesWithDescendants; }
+ CAmount GetModFeesWithDescendants() const { return nModFeesWithDescendants; }
bool GetSpendsCoinbase() const { return spendsCoinbase; }
};
@@ -163,27 +164,27 @@ struct mempoolentry_txid
}
};
-/** \class CompareTxMemPoolEntryByFee
+/** \class CompareTxMemPoolEntryByDescendantScore
*
- * Sort an entry by max(feerate of entry's tx, feerate with all descendants).
+ * Sort an entry by max(score/size of entry's tx, score/size with all descendants).
*/
-class CompareTxMemPoolEntryByFee
+class CompareTxMemPoolEntryByDescendantScore
{
public:
bool operator()(const CTxMemPoolEntry& a, const CTxMemPoolEntry& b)
{
- bool fUseADescendants = UseDescendantFeeRate(a);
- bool fUseBDescendants = UseDescendantFeeRate(b);
+ bool fUseADescendants = UseDescendantScore(a);
+ bool fUseBDescendants = UseDescendantScore(b);
- double aFees = fUseADescendants ? a.GetFeesWithDescendants() : a.GetFee();
+ double aModFee = fUseADescendants ? a.GetModFeesWithDescendants() : a.GetModifiedFee();
double aSize = fUseADescendants ? a.GetSizeWithDescendants() : a.GetTxSize();
- double bFees = fUseBDescendants ? b.GetFeesWithDescendants() : b.GetFee();
+ double bModFee = fUseBDescendants ? b.GetModFeesWithDescendants() : b.GetModifiedFee();
double bSize = fUseBDescendants ? b.GetSizeWithDescendants() : b.GetTxSize();
// Avoid division by rewriting (a/b > c/d) as (a*d > c*b).
- double f1 = aFees * bSize;
- double f2 = aSize * bFees;
+ double f1 = aModFee * bSize;
+ double f2 = aSize * bModFee;
if (f1 == f2) {
return a.GetTime() >= b.GetTime();
@@ -191,11 +192,11 @@ public:
return f1 < f2;
}
- // Calculate which feerate to use for an entry (avoiding division).
- bool UseDescendantFeeRate(const CTxMemPoolEntry &a)
+ // Calculate which score to use for an entry (avoiding division).
+ bool UseDescendantScore(const CTxMemPoolEntry &a)
{
- double f1 = (double)a.GetFee() * a.GetSizeWithDescendants();
- double f2 = (double)a.GetFeesWithDescendants() * a.GetTxSize();
+ double f1 = (double)a.GetModifiedFee() * a.GetSizeWithDescendants();
+ double f2 = (double)a.GetModFeesWithDescendants() * a.GetTxSize();
return f2 > f1;
}
};
@@ -350,7 +351,7 @@ public:
// sorted by fee rate
boost::multi_index::ordered_non_unique<
boost::multi_index::identity<CTxMemPoolEntry>,
- CompareTxMemPoolEntryByFee
+ CompareTxMemPoolEntryByDescendantScore
>,
// sorted by entry time
boost::multi_index::ordered_non_unique<
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-12 19:40:45 +0000