// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2014 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
-// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or https://www.opensource.org/licenses/mit-license.php .
#include "txmempool.h"
#include "main.h"
#include "policy/fees.h"
#include "streams.h"
+#include "timedata.h"
#include "util.h"
#include "utilmoneystr.h"
#include "version.h"
using namespace std;
CTxMemPoolEntry::CTxMemPoolEntry():
- nFee(0), nTxSize(0), nModSize(0), nTime(0), dPriority(0.0), hadNoDependencies(false)
+ nFee(0), nTxSize(0), nModSize(0), nUsageSize(0), nTime(0), dPriority(0.0),
+ hadNoDependencies(false), spendsCoinbase(false)
{
nHeight = MEMPOOL_HEIGHT;
}
CTxMemPoolEntry::CTxMemPoolEntry(const CTransaction& _tx, const CAmount& _nFee,
int64_t _nTime, double _dPriority,
- unsigned int _nHeight, bool poolHasNoInputsOf):
+ unsigned int _nHeight, bool poolHasNoInputsOf,
+ bool _spendsCoinbase, uint32_t _nBranchId):
tx(_tx), nFee(_nFee), nTime(_nTime), dPriority(_dPriority), nHeight(_nHeight),
- hadNoDependencies(poolHasNoInputsOf)
+ hadNoDependencies(poolHasNoInputsOf),
+ spendsCoinbase(_spendsCoinbase), nBranchId(_nBranchId)
{
nTxSize = ::GetSerializeSize(tx, SER_NETWORK, PROTOCOL_VERSION);
nModSize = tx.CalculateModifiedSize(nTxSize);
+ nUsageSize = RecursiveDynamicUsage(tx);
+ feeRate = CFeeRate(nFee, nTxSize);
}
CTxMemPoolEntry::CTxMemPoolEntry(const CTxMemPoolEntry& other)
// Sanity checks off by default for performance, because otherwise
// accepting transactions becomes O(N^2) where N is the number
// of transactions in the pool
- fSanityCheck = false;
+ nCheckFrequency = 0;
minerPolicyEstimator = new CBlockPolicyEstimator(_minRelayFee);
}
// Used by main.cpp AcceptToMemoryPool(), which DOES do
// all the appropriate checks.
LOCK(cs);
- mapTx[hash] = entry;
- const CTransaction& tx = mapTx[hash].GetTx();
+ mapTx.insert(entry);
+ const CTransaction& tx = mapTx.find(hash)->GetTx();
for (unsigned int i = 0; i < tx.vin.size(); i++)
mapNextTx[tx.vin[i].prevout] = CInPoint(&tx, i);
- BOOST_FOREACH(const JSDescription &joinsplit, tx.vjoinsplit) {
+ BOOST_FOREACH(const JSDescription &joinsplit, tx.vJoinSplit) {
BOOST_FOREACH(const uint256 &nf, joinsplit.nullifiers) {
- mapNullifiers[nf] = &tx;
+ mapSproutNullifiers[nf] = &tx;
}
}
+ for (const SpendDescription &spendDescription : tx.vShieldedSpend) {
+ mapSaplingNullifiers[spendDescription.nullifier] = &tx;
+ }
nTransactionsUpdated++;
totalTxSize += entry.GetTxSize();
+ cachedInnerUsage += entry.DynamicMemoryUsage();
minerPolicyEstimator->processTransaction(entry, fCurrentEstimate);
return true;
}
+void CTxMemPool::addAddressIndex(const CTxMemPoolEntry &entry, const CCoinsViewCache &view)
+{
+ LOCK(cs);
+ const CTransaction& tx = entry.GetTx();
+ std::vector<CMempoolAddressDeltaKey> inserted;
+
+ uint256 txhash = tx.GetHash();
+ for (unsigned int j = 0; j < tx.vin.size(); j++) {
+ const CTxIn input = tx.vin[j];
+ const CTxOut &prevout = view.GetOutputFor(input);
+ CScript::ScriptType type = prevout.scriptPubKey.GetType();
+ if (type == CScript::UNKNOWN)
+ continue;
+ CMempoolAddressDeltaKey key(type, prevout.scriptPubKey.AddressHash(), txhash, j, 1);
+ CMempoolAddressDelta delta(entry.GetTime(), prevout.nValue * -1, input.prevout.hash, input.prevout.n);
+ mapAddress.insert(make_pair(key, delta));
+ inserted.push_back(key);
+ }
+
+ for (unsigned int j = 0; j < tx.vout.size(); j++) {
+ const CTxOut &out = tx.vout[j];
+ CScript::ScriptType type = out.scriptPubKey.GetType();
+ if (type == CScript::UNKNOWN)
+ continue;
+ CMempoolAddressDeltaKey key(type, out.scriptPubKey.AddressHash(), txhash, j, 0);
+ mapAddress.insert(make_pair(key, CMempoolAddressDelta(entry.GetTime(), out.nValue)));
+ inserted.push_back(key);
+ }
+
+ mapAddressInserted.insert(make_pair(txhash, inserted));
+}
+
+// START insightexplorer
+void CTxMemPool::getAddressIndex(
+ const std::vector<std::pair<uint160, int>>& addresses,
+ std::vector<std::pair<CMempoolAddressDeltaKey, CMempoolAddressDelta>>& results)
+{
+ LOCK(cs);
+ for (const auto& it : addresses) {
+ auto ait = mapAddress.lower_bound(CMempoolAddressDeltaKey(it.second, it.first));
+ while (ait != mapAddress.end() && (*ait).first.addressBytes == it.first && (*ait).first.type == it.second) {
+ results.push_back(*ait);
+ ait++;
+ }
+ }
+}
+
+void CTxMemPool::removeAddressIndex(const uint256& txhash)
+{
+ LOCK(cs);
+ auto it = mapAddressInserted.find(txhash);
+
+ if (it != mapAddressInserted.end()) {
+ std::vector<CMempoolAddressDeltaKey> keys = it->second;
+ for (const auto& mit : keys) {
+ mapAddress.erase(mit);
+ }
+ mapAddressInserted.erase(it);
+ }
+}
+
+void CTxMemPool::addSpentIndex(const CTxMemPoolEntry &entry, const CCoinsViewCache &view)
+{
+ LOCK(cs);
+ const CTransaction& tx = entry.GetTx();
+ uint256 txhash = tx.GetHash();
+ std::vector<CSpentIndexKey> inserted;
+
+ for (unsigned int j = 0; j < tx.vin.size(); j++) {
+ const CTxIn input = tx.vin[j];
+ const CTxOut &prevout = view.GetOutputFor(input);
+ CSpentIndexKey key = CSpentIndexKey(input.prevout.hash, input.prevout.n);
+ CSpentIndexValue value = CSpentIndexValue(txhash, j, -1, prevout.nValue,
+ prevout.scriptPubKey.GetType(),
+ prevout.scriptPubKey.AddressHash());
+ mapSpent.insert(make_pair(key, value));
+ inserted.push_back(key);
+ }
+ mapSpentInserted.insert(make_pair(txhash, inserted));
+}
+
+bool CTxMemPool::getSpentIndex(const CSpentIndexKey &key, CSpentIndexValue &value)
+{
+ LOCK(cs);
+ std::map<CSpentIndexKey, CSpentIndexValue, CSpentIndexKeyCompare>::iterator it = mapSpent.find(key);
+ if (it != mapSpent.end()) {
+ value = it->second;
+ return true;
+ }
+ return false;
+}
+
+void CTxMemPool::removeSpentIndex(const uint256 txhash)
+{
+ LOCK(cs);
+ auto it = mapSpentInserted.find(txhash);
+
+ if (it != mapSpentInserted.end()) {
+ std::vector<CSpentIndexKey> keys = (*it).second;
+ for (std::vector<CSpentIndexKey>::iterator mit = keys.begin(); mit != keys.end(); mit++) {
+ mapSpent.erase(*mit);
+ }
+ mapSpentInserted.erase(it);
+ }
+}
+// END insightexplorer
void CTxMemPool::remove(const CTransaction &origTx, std::list<CTransaction>& removed, bool fRecursive)
{
txToRemove.pop_front();
if (!mapTx.count(hash))
continue;
- const CTransaction& tx = mapTx[hash].GetTx();
+ const CTransaction& tx = mapTx.find(hash)->GetTx();
if (fRecursive) {
for (unsigned int i = 0; i < tx.vout.size(); i++) {
std::map<COutPoint, CInPoint>::iterator it = mapNextTx.find(COutPoint(hash, i));
}
BOOST_FOREACH(const CTxIn& txin, tx.vin)
mapNextTx.erase(txin.prevout);
- BOOST_FOREACH(const JSDescription& joinsplit, tx.vjoinsplit) {
+ BOOST_FOREACH(const JSDescription& joinsplit, tx.vJoinSplit) {
BOOST_FOREACH(const uint256& nf, joinsplit.nullifiers) {
- mapNullifiers.erase(nf);
+ mapSproutNullifiers.erase(nf);
}
}
-
+ for (const SpendDescription &spendDescription : tx.vShieldedSpend) {
+ mapSaplingNullifiers.erase(spendDescription.nullifier);
+ }
removed.push_back(tx);
- totalTxSize -= mapTx[hash].GetTxSize();
+ totalTxSize -= mapTx.find(hash)->GetTxSize();
+ cachedInnerUsage -= mapTx.find(hash)->DynamicMemoryUsage();
mapTx.erase(hash);
nTransactionsUpdated++;
minerPolicyEstimator->removeTx(hash);
+
+ // insightexplorer
+ if (fAddressIndex)
+ removeAddressIndex(hash);
+ if (fSpentIndex)
+ removeSpentIndex(hash);
}
}
}
-void CTxMemPool::removeCoinbaseSpends(const CCoinsViewCache *pcoins, unsigned int nMemPoolHeight)
+void CTxMemPool::removeForReorg(const CCoinsViewCache *pcoins, unsigned int nMemPoolHeight, int flags)
{
- // Remove transactions spending a coinbase which are now immature
+ // Remove transactions spending a coinbase which are now immature and no-longer-final transactions
LOCK(cs);
list<CTransaction> transactionsToRemove;
- for (std::map<uint256, CTxMemPoolEntry>::const_iterator it = mapTx.begin(); it != mapTx.end(); it++) {
- const CTransaction& tx = it->second.GetTx();
- BOOST_FOREACH(const CTxIn& txin, tx.vin) {
- std::map<uint256, CTxMemPoolEntry>::const_iterator it2 = mapTx.find(txin.prevout.hash);
- if (it2 != mapTx.end())
- continue;
- const CCoins *coins = pcoins->AccessCoins(txin.prevout.hash);
- if (fSanityCheck) assert(coins);
- if (!coins || (coins->IsCoinBase() && ((signed long)nMemPoolHeight) - coins->nHeight < COINBASE_MATURITY)) {
- transactionsToRemove.push_back(tx);
- break;
+ for (indexed_transaction_set::const_iterator it = mapTx.begin(); it != mapTx.end(); it++) {
+ const CTransaction& tx = it->GetTx();
+ if (!CheckFinalTx(tx, flags)) {
+ transactionsToRemove.push_back(tx);
+ } else if (it->GetSpendsCoinbase()) {
+ BOOST_FOREACH(const CTxIn& txin, tx.vin) {
+ indexed_transaction_set::const_iterator it2 = mapTx.find(txin.prevout.hash);
+ if (it2 != mapTx.end())
+ continue;
+ const CCoins *coins = pcoins->AccessCoins(txin.prevout.hash);
+ if (nCheckFrequency != 0) assert(coins);
+ if (!coins || (coins->IsCoinBase() && ((signed long)nMemPoolHeight) - coins->nHeight < COINBASE_MATURITY)) {
+ transactionsToRemove.push_back(tx);
+ break;
+ }
}
}
}
}
-void CTxMemPool::removeWithAnchor(const uint256 &invalidRoot)
+void CTxMemPool::removeWithAnchor(const uint256 &invalidRoot, ShieldedType type)
{
// If a block is disconnected from the tip, and the root changed,
// we must invalidate transactions from the mempool which spend
LOCK(cs);
list<CTransaction> transactionsToRemove;
- for (std::map<uint256, CTxMemPoolEntry>::const_iterator it = mapTx.begin(); it != mapTx.end(); it++) {
- const CTransaction& tx = it->second.GetTx();
- BOOST_FOREACH(const JSDescription& joinsplit, tx.vjoinsplit) {
- if (joinsplit.anchor == invalidRoot) {
- transactionsToRemove.push_back(tx);
- break;
- }
+ for (indexed_transaction_set::const_iterator it = mapTx.begin(); it != mapTx.end(); it++) {
+ const CTransaction& tx = it->GetTx();
+ switch (type) {
+ case SPROUT:
+ BOOST_FOREACH(const JSDescription& joinsplit, tx.vJoinSplit) {
+ if (joinsplit.anchor == invalidRoot) {
+ transactionsToRemove.push_back(tx);
+ break;
+ }
+ }
+ break;
+ case SAPLING:
+ BOOST_FOREACH(const SpendDescription& spendDescription, tx.vShieldedSpend) {
+ if (spendDescription.anchor == invalidRoot) {
+ transactionsToRemove.push_back(tx);
+ break;
+ }
+ }
+ break;
+ default:
+ throw runtime_error("Unknown shielded type");
+ break;
}
}
}
}
- BOOST_FOREACH(const JSDescription &joinsplit, tx.vjoinsplit) {
+ BOOST_FOREACH(const JSDescription &joinsplit, tx.vJoinSplit) {
BOOST_FOREACH(const uint256 &nf, joinsplit.nullifiers) {
- std::map<uint256, const CTransaction*>::iterator it = mapNullifiers.find(nf);
- if (it != mapNullifiers.end()) {
+ std::map<uint256, const CTransaction*>::iterator it = mapSproutNullifiers.find(nf);
+ if (it != mapSproutNullifiers.end()) {
const CTransaction &txConflict = *it->second;
- if (txConflict != tx)
- {
+ if (txConflict != tx) {
remove(txConflict, removed, true);
}
}
}
}
+ for (const SpendDescription &spendDescription : tx.vShieldedSpend) {
+ std::map<uint256, const CTransaction*>::iterator it = mapSaplingNullifiers.find(spendDescription.nullifier);
+ if (it != mapSaplingNullifiers.end()) {
+ const CTransaction &txConflict = *it->second;
+ if (txConflict != tx) {
+ remove(txConflict, removed, true);
+ }
+ }
+ }
+}
+
+void CTxMemPool::removeExpired(unsigned int nBlockHeight)
+{
+ // Remove expired txs from the mempool
+ LOCK(cs);
+ list<CTransaction> transactionsToRemove;
+ for (indexed_transaction_set::const_iterator it = mapTx.begin(); it != mapTx.end(); it++)
+ {
+ const CTransaction& tx = it->GetTx();
+ if (IsExpiredTx(tx, nBlockHeight)) {
+ transactionsToRemove.push_back(tx);
+ }
+ }
+ for (const CTransaction& tx : transactionsToRemove) {
+ list<CTransaction> removed;
+ remove(tx, removed, true);
+ LogPrint("mempool", "Removing expired txid: %s\n", tx.GetHash().ToString());
+ }
}
/**
BOOST_FOREACH(const CTransaction& tx, vtx)
{
uint256 hash = tx.GetHash();
- if (mapTx.count(hash))
- entries.push_back(mapTx[hash]);
+
+ indexed_transaction_set::iterator i = mapTx.find(hash);
+ if (i != mapTx.end())
+ entries.push_back(*i);
}
BOOST_FOREACH(const CTransaction& tx, vtx)
{
minerPolicyEstimator->processBlock(nBlockHeight, entries, fCurrentEstimate);
}
+/**
+ * Called whenever the tip changes. Removes transactions which don't commit to
+ * the given branch ID from the mempool.
+ */
+void CTxMemPool::removeWithoutBranchId(uint32_t nMemPoolBranchId)
+{
+ LOCK(cs);
+ std::list<CTransaction> transactionsToRemove;
+
+ for (indexed_transaction_set::const_iterator it = mapTx.begin(); it != mapTx.end(); it++) {
+ const CTransaction& tx = it->GetTx();
+ if (it->GetValidatedBranchId() != nMemPoolBranchId) {
+ transactionsToRemove.push_back(tx);
+ }
+ }
+
+ for (const CTransaction& tx : transactionsToRemove) {
+ std::list<CTransaction> removed;
+ remove(tx, removed, true);
+ }
+}
+
void CTxMemPool::clear()
{
LOCK(cs);
mapTx.clear();
mapNextTx.clear();
totalTxSize = 0;
+ cachedInnerUsage = 0;
++nTransactionsUpdated;
}
void CTxMemPool::check(const CCoinsViewCache *pcoins) const
{
- if (!fSanityCheck)
+ if (nCheckFrequency == 0)
+ return;
+
+ if (insecure_rand() >= nCheckFrequency)
return;
LogPrint("mempool", "Checking mempool with %u transactions and %u inputs\n", (unsigned int)mapTx.size(), (unsigned int)mapNextTx.size());
uint64_t checkTotal = 0;
+ uint64_t innerUsage = 0;
CCoinsViewCache mempoolDuplicate(const_cast<CCoinsViewCache*>(pcoins));
+ const int64_t nSpendHeight = GetSpendHeight(mempoolDuplicate);
LOCK(cs);
list<const CTxMemPoolEntry*> waitingOnDependants;
- for (std::map<uint256, CTxMemPoolEntry>::const_iterator it = mapTx.begin(); it != mapTx.end(); it++) {
+ for (indexed_transaction_set::const_iterator it = mapTx.begin(); it != mapTx.end(); it++) {
unsigned int i = 0;
- checkTotal += it->second.GetTxSize();
- const CTransaction& tx = it->second.GetTx();
+ checkTotal += it->GetTxSize();
+ innerUsage += it->DynamicMemoryUsage();
+ const CTransaction& tx = it->GetTx();
bool fDependsWait = false;
BOOST_FOREACH(const CTxIn &txin, tx.vin) {
// Check that every mempool transaction's inputs refer to available coins, or other mempool tx's.
- std::map<uint256, CTxMemPoolEntry>::const_iterator it2 = mapTx.find(txin.prevout.hash);
+ indexed_transaction_set::const_iterator it2 = mapTx.find(txin.prevout.hash);
if (it2 != mapTx.end()) {
- const CTransaction& tx2 = it2->second.GetTx();
+ const CTransaction& tx2 = it2->GetTx();
assert(tx2.vout.size() > txin.prevout.n && !tx2.vout[txin.prevout.n].IsNull());
fDependsWait = true;
} else {
i++;
}
- boost::unordered_map<uint256, ZCIncrementalMerkleTree, CCoinsKeyHasher> intermediates;
+ boost::unordered_map<uint256, SproutMerkleTree, CCoinsKeyHasher> intermediates;
- BOOST_FOREACH(const JSDescription &joinsplit, tx.vjoinsplit) {
+ BOOST_FOREACH(const JSDescription &joinsplit, tx.vJoinSplit) {
BOOST_FOREACH(const uint256 &nf, joinsplit.nullifiers) {
- assert(!pcoins->GetNullifier(nf));
+ assert(!pcoins->GetNullifier(nf, SPROUT));
}
- ZCIncrementalMerkleTree tree;
+ SproutMerkleTree tree;
auto it = intermediates.find(joinsplit.anchor);
if (it != intermediates.end()) {
tree = it->second;
} else {
- assert(pcoins->GetAnchorAt(joinsplit.anchor, tree));
+ assert(pcoins->GetSproutAnchorAt(joinsplit.anchor, tree));
}
BOOST_FOREACH(const uint256& commitment, joinsplit.commitments)
intermediates.insert(std::make_pair(tree.root(), tree));
}
+ for (const SpendDescription &spendDescription : tx.vShieldedSpend) {
+ SaplingMerkleTree tree;
+
+ assert(pcoins->GetSaplingAnchorAt(spendDescription.anchor, tree));
+ assert(!pcoins->GetNullifier(spendDescription.nullifier, SAPLING));
+ }
if (fDependsWait)
- waitingOnDependants.push_back(&it->second);
+ waitingOnDependants.push_back(&(*it));
else {
CValidationState state;
- assert(ContextualCheckInputs(tx, state, mempoolDuplicate, false, 0, false, Params().GetConsensus(), NULL));
- UpdateCoins(tx, state, mempoolDuplicate, 1000000);
+ bool fCheckResult = tx.IsCoinBase() ||
+ Consensus::CheckTxInputs(tx, state, mempoolDuplicate, nSpendHeight, Params().GetConsensus());
+ assert(fCheckResult);
+ UpdateCoins(tx, mempoolDuplicate, 1000000);
}
}
unsigned int stepsSinceLastRemove = 0;
stepsSinceLastRemove++;
assert(stepsSinceLastRemove < waitingOnDependants.size());
} else {
- assert(ContextualCheckInputs(entry->GetTx(), state, mempoolDuplicate, false, 0, false, Params().GetConsensus(), NULL));
- UpdateCoins(entry->GetTx(), state, mempoolDuplicate, 1000000);
+ bool fCheckResult = entry->GetTx().IsCoinBase() ||
+ Consensus::CheckTxInputs(entry->GetTx(), state, mempoolDuplicate, nSpendHeight, Params().GetConsensus());
+ assert(fCheckResult);
+ UpdateCoins(entry->GetTx(), mempoolDuplicate, 1000000);
stepsSinceLastRemove = 0;
}
}
for (std::map<COutPoint, CInPoint>::const_iterator it = mapNextTx.begin(); it != mapNextTx.end(); it++) {
uint256 hash = it->second.ptx->GetHash();
- map<uint256, CTxMemPoolEntry>::const_iterator it2 = mapTx.find(hash);
- const CTransaction& tx = it2->second.GetTx();
+ indexed_transaction_set::const_iterator it2 = mapTx.find(hash);
+ const CTransaction& tx = it2->GetTx();
assert(it2 != mapTx.end());
assert(&tx == it->second.ptx);
assert(tx.vin.size() > it->second.n);
assert(it->first == it->second.ptx->vin[it->second.n].prevout);
}
- for (std::map<uint256, const CTransaction*>::const_iterator it = mapNullifiers.begin(); it != mapNullifiers.end(); it++) {
- uint256 hash = it->second->GetHash();
- map<uint256, CTxMemPoolEntry>::const_iterator it2 = mapTx.find(hash);
- const CTransaction& tx = it2->second.GetTx();
- assert(it2 != mapTx.end());
- assert(&tx == it->second);
- }
+ checkNullifiers(SPROUT);
+ checkNullifiers(SAPLING);
assert(totalTxSize == checkTotal);
+ assert(innerUsage == cachedInnerUsage);
+}
+
+void CTxMemPool::checkNullifiers(ShieldedType type) const
+{
+ const std::map<uint256, const CTransaction*>* mapToUse;
+ switch (type) {
+ case SPROUT:
+ mapToUse = &mapSproutNullifiers;
+ break;
+ case SAPLING:
+ mapToUse = &mapSaplingNullifiers;
+ break;
+ default:
+ throw runtime_error("Unknown nullifier type");
+ }
+ for (const auto& entry : *mapToUse) {
+ uint256 hash = entry.second->GetHash();
+ CTxMemPool::indexed_transaction_set::const_iterator findTx = mapTx.find(hash);
+ const CTransaction& tx = findTx->GetTx();
+ assert(findTx != mapTx.end());
+ assert(&tx == entry.second);
+ }
}
void CTxMemPool::queryHashes(vector<uint256>& vtxid)
LOCK(cs);
vtxid.reserve(mapTx.size());
- for (map<uint256, CTxMemPoolEntry>::iterator mi = mapTx.begin(); mi != mapTx.end(); ++mi)
- vtxid.push_back((*mi).first);
+ for (indexed_transaction_set::iterator mi = mapTx.begin(); mi != mapTx.end(); ++mi)
+ vtxid.push_back(mi->GetTx().GetHash());
}
bool CTxMemPool::lookup(uint256 hash, CTransaction& result) const
{
LOCK(cs);
- map<uint256, CTxMemPoolEntry>::const_iterator i = mapTx.find(hash);
+ indexed_transaction_set::const_iterator i = mapTx.find(hash);
if (i == mapTx.end()) return false;
- result = i->second.GetTx();
+ result = i->GetTx();
return true;
}
return true;
}
-CCoinsViewMemPool::CCoinsViewMemPool(CCoinsView *baseIn, CTxMemPool &mempoolIn) : CCoinsViewBacked(baseIn), mempool(mempoolIn) { }
+bool CTxMemPool::nullifierExists(const uint256& nullifier, ShieldedType type) const
+{
+ switch (type) {
+ case SPROUT:
+ return mapSproutNullifiers.count(nullifier);
+ case SAPLING:
+ return mapSaplingNullifiers.count(nullifier);
+ default:
+ throw runtime_error("Unknown nullifier type");
+ }
+}
-bool CCoinsViewMemPool::GetNullifier(const uint256 &nf) const {
- if (mempool.mapNullifiers.count(nf))
- return true;
+CCoinsViewMemPool::CCoinsViewMemPool(CCoinsView *baseIn, CTxMemPool &mempoolIn) : CCoinsViewBacked(baseIn), mempool(mempoolIn) { }
- return base->GetNullifier(nf);
+bool CCoinsViewMemPool::GetNullifier(const uint256 &nf, ShieldedType type) const
+{
+ return mempool.nullifierExists(nf, type) || base->GetNullifier(nf, type);
}
bool CCoinsViewMemPool::GetCoins(const uint256 &txid, CCoins &coins) const {
bool CCoinsViewMemPool::HaveCoins(const uint256 &txid) const {
return mempool.exists(txid) || base->HaveCoins(txid);
}
+
+size_t CTxMemPool::DynamicMemoryUsage() const {
+ LOCK(cs);
+ // Estimate the overhead of mapTx to be 6 pointers + an allocation, as no exact formula for boost::multi_index_contained is implemented.
+ return memusage::MallocUsage(sizeof(CTxMemPoolEntry) + 6 * sizeof(void*)) * mapTx.size() + memusage::DynamicUsage(mapNextTx) + memusage::DynamicUsage(mapDeltas) + cachedInnerUsage;
+}