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Merge pull request #6915

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2d8860e Fix removeForReorg to use MedianTimePast (Suhas Daftuar)
b7fa4aa Don't call removeForReorg if DisconnectTip fails (Suhas Daftuar)
7e49f5f Track coinbase spends in CTxMemPoolEntry (Suhas Daftuar)
bb8ea1f removeForReorg calls once-per-disconnect-> once-per-reorg (Matt Corallo)
474b84a Make indentation in ActivateBestChainStep readable (Matt Corallo)
b0a064c Fix comment in removeForReorg (Matt Corallo)
9b060e5 Fix removal of time-locked transactions during reorg (Matt Corallo)
0c9959a Add failing test checking timelocked-txn removal during reorg (Matt Corallo)
This commit is contained in:
Wladimir J. van der Laan 2015-12-01 12:41:57 +01:00
commit 2ef5ffa59a
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GPG key ID: 74810B012346C9A6
9 changed files with 115 additions and 76 deletions
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2
qa/pull-tester/rpc-tests.py
View file

@ -82,7 +82,7 @@ testScripts = [
'rawtransactions.py',
'rest.py',
'mempool_spendcoinbase.py',
'mempool_coinbase_spends.py',
'mempool_reorg.py',
'httpbasics.py',
'multi_rpc.py',
'zapwallettxes.py',

26
qa/rpc-tests/mempool_coinbase_spends.py → qa/rpc-tests/mempool_reorg.py
View file

@ -52,16 +52,25 @@ class MempoolCoinbaseTest(BitcoinTestFramework):
# 3. Indirect (coinbase and child both in chain) : spend_103 and spend_103_1
# Use invalidatblock to make all of the above coinbase spends invalid (immature coinbase),
# and make sure the mempool code behaves correctly.
b = [ self.nodes[0].getblockhash(n) for n in range(102, 105) ]
b = [ self.nodes[0].getblockhash(n) for n in range(101, 105) ]
coinbase_txids = [ self.nodes[0].getblock(h)['tx'][0] for h in b ]
spend_101_raw = self.create_tx(coinbase_txids[0], node1_address, 50)
spend_102_raw = self.create_tx(coinbase_txids[1], node0_address, 50)
spend_103_raw = self.create_tx(coinbase_txids[2], node0_address, 50)
spend_101_raw = self.create_tx(coinbase_txids[1], node1_address, 50)
spend_102_raw = self.create_tx(coinbase_txids[2], node0_address, 50)
spend_103_raw = self.create_tx(coinbase_txids[3], node0_address, 50)
# Create a block-height-locked transaction which will be invalid after reorg
timelock_tx = self.nodes[0].createrawtransaction([{"txid": coinbase_txids[0], "vout": 0}], {node0_address: 50})
# Set the time lock
timelock_tx = timelock_tx.replace("ffffffff", "11111111", 1)
timelock_tx = timelock_tx[:-8] + hex(self.nodes[0].getblockcount() + 2)[2:] + "000000"
timelock_tx = self.nodes[0].signrawtransaction(timelock_tx)["hex"]
assert_raises(JSONRPCException, self.nodes[0].sendrawtransaction, timelock_tx)
# Broadcast and mine spend_102 and 103:
spend_102_id = self.nodes[0].sendrawtransaction(spend_102_raw)
spend_103_id = self.nodes[0].sendrawtransaction(spend_103_raw)
self.nodes[0].generate(1)
assert_raises(JSONRPCException, self.nodes[0].sendrawtransaction, timelock_tx)
# Create 102_1 and 103_1:
spend_102_1_raw = self.create_tx(spend_102_id, node1_address, 50)
@ -69,7 +78,8 @@ class MempoolCoinbaseTest(BitcoinTestFramework):
# Broadcast and mine 103_1:
spend_103_1_id = self.nodes[0].sendrawtransaction(spend_103_1_raw)
self.nodes[0].generate(1)
last_block = self.nodes[0].generate(1)
timelock_tx_id = self.nodes[0].sendrawtransaction(timelock_tx)
# ... now put spend_101 and spend_102_1 in memory pools:
spend_101_id = self.nodes[0].sendrawtransaction(spend_101_raw)
@ -77,7 +87,11 @@ class MempoolCoinbaseTest(BitcoinTestFramework):
self.sync_all()
assert_equal(set(self.nodes[0].getrawmempool()), set([ spend_101_id, spend_102_1_id ]))
assert_equal(set(self.nodes[0].getrawmempool()), set([ spend_101_id, spend_102_1_id, timelock_tx_id ]))
for node in self.nodes:
node.invalidateblock(last_block[0])
assert_equal(set(self.nodes[0].getrawmempool()), set([ spend_101_id, spend_102_1_id, spend_103_1_id ]))
# Use invalidateblock to re-org back and make all those coinbase spends
# immature/invalid:

91
src/main.cpp
View file

@ -953,7 +953,18 @@ bool AcceptToMemoryPool(CTxMemPool& pool, CValidationState &state, const CTransa
CAmount inChainInputValue;
double dPriority = view.GetPriority(tx, chainActive.Height(), inChainInputValue);
CTxMemPoolEntry entry(tx, nFees, GetTime(), dPriority, chainActive.Height(), pool.HasNoInputsOf(tx), inChainInputValue);
// Keep track of transactions that spend a coinbase, which we re-scan
// during reorgs to ensure COINBASE_MATURITY is still met.
bool fSpendsCoinbase = false;
BOOST_FOREACH(const CTxIn &txin, tx.vin) {
const CCoins *coins = view.AccessCoins(txin.prevout.hash);
if (coins->IsCoinBase()) {
fSpendsCoinbase = true;
break;
}
}
CTxMemPoolEntry entry(tx, nFees, GetTime(), dPriority, chainActive.Height(), pool.HasNoInputsOf(tx), inChainInputValue, fSpendsCoinbase);
unsigned int nSize = entry.GetTxSize();
// Don't accept it if it can't get into a block
@ -2310,12 +2321,11 @@ void static UpdateTip(CBlockIndex *pindexNew) {
}
}
/** Disconnect chainActive's tip. You want to manually re-limit mempool size after this */
/** Disconnect chainActive's tip. You probably want to call mempool.removeForReorg and manually re-limit mempool size after this, with cs_main held. */
bool static DisconnectTip(CValidationState& state, const Consensus::Params& consensusParams)
{
CBlockIndex *pindexDelete = chainActive.Tip();
assert(pindexDelete);
mempool.check(pcoinsTip);
// Read block from disk.
CBlock block;
if (!ReadBlockFromDisk(block, pindexDelete, consensusParams))
@ -2350,8 +2360,6 @@ bool static DisconnectTip(CValidationState& state, const Consensus::Params& cons
// UpdateTransactionsFromBlock finds descendants of any transactions in this
// block that were added back and cleans up the mempool state.
mempool.UpdateTransactionsFromBlock(vHashUpdate);
mempool.removeCoinbaseSpends(pcoinsTip, pindexDelete->nHeight);
mempool.check(pcoinsTip);
// Update chainActive and related variables.
UpdateTip(pindexDelete->pprev);
// Let wallets know transactions went from 1-confirmed to
@ -2375,7 +2383,6 @@ static int64_t nTimePostConnect = 0;
bool static ConnectTip(CValidationState& state, const CChainParams& chainparams, CBlockIndex* pindexNew, const CBlock* pblock)
{
assert(pindexNew->pprev == chainActive.Tip());
mempool.check(pcoinsTip);
// Read block from disk.
int64_t nTime1 = GetTimeMicros();
CBlock block;
@ -2412,7 +2419,6 @@ bool static ConnectTip(CValidationState& state, const CChainParams& chainparams,
// Remove conflicting transactions from the mempool.
list<CTransaction> txConflicted;
mempool.removeForBlock(pblock->vtx, pindexNew->nHeight, txConflicted, !IsInitialBlockDownload());
mempool.check(pcoinsTip);
// Update chainActive & related variables.
UpdateTip(pindexNew);
// Tell wallet about transactions that went from mempool
@ -2525,46 +2531,49 @@ static bool ActivateBestChainStep(CValidationState& state, const CChainParams& c
bool fContinue = true;
int nHeight = pindexFork ? pindexFork->nHeight : -1;
while (fContinue && nHeight != pindexMostWork->nHeight) {
// Don't iterate the entire list of potential improvements toward the best tip, as we likely only need
// a few blocks along the way.
int nTargetHeight = std::min(nHeight + 32, pindexMostWork->nHeight);
vpindexToConnect.clear();
vpindexToConnect.reserve(nTargetHeight - nHeight);
CBlockIndex *pindexIter = pindexMostWork->GetAncestor(nTargetHeight);
while (pindexIter && pindexIter->nHeight != nHeight) {
vpindexToConnect.push_back(pindexIter);
pindexIter = pindexIter->pprev;
}
nHeight = nTargetHeight;
// Don't iterate the entire list of potential improvements toward the best tip, as we likely only need
// a few blocks along the way.
int nTargetHeight = std::min(nHeight + 32, pindexMostWork->nHeight);
vpindexToConnect.clear();
vpindexToConnect.reserve(nTargetHeight - nHeight);
CBlockIndex *pindexIter = pindexMostWork->GetAncestor(nTargetHeight);
while (pindexIter && pindexIter->nHeight != nHeight) {
vpindexToConnect.push_back(pindexIter);
pindexIter = pindexIter->pprev;
}
nHeight = nTargetHeight;
// Connect new blocks.
BOOST_REVERSE_FOREACH(CBlockIndex *pindexConnect, vpindexToConnect) {
if (!ConnectTip(state, chainparams, pindexConnect, pindexConnect == pindexMostWork ? pblock : NULL)) {
if (state.IsInvalid()) {
// The block violates a consensus rule.
if (!state.CorruptionPossible())
InvalidChainFound(vpindexToConnect.back());
state = CValidationState();
fInvalidFound = true;
fContinue = false;
break;
// Connect new blocks.
BOOST_REVERSE_FOREACH(CBlockIndex *pindexConnect, vpindexToConnect) {
if (!ConnectTip(state, chainparams, pindexConnect, pindexConnect == pindexMostWork ? pblock : NULL)) {
if (state.IsInvalid()) {
// The block violates a consensus rule.
if (!state.CorruptionPossible())
InvalidChainFound(vpindexToConnect.back());
state = CValidationState();
fInvalidFound = true;
fContinue = false;
break;
} else {
// A system error occurred (disk space, database error, ...).
return false;
}
} else {
// A system error occurred (disk space, database error, ...).
return false;
}
} else {
PruneBlockIndexCandidates();
if (!pindexOldTip || chainActive.Tip()->nChainWork > pindexOldTip->nChainWork) {
// We're in a better position than we were. Return temporarily to release the lock.
fContinue = false;
break;
PruneBlockIndexCandidates();
if (!pindexOldTip || chainActive.Tip()->nChainWork > pindexOldTip->nChainWork) {
// We're in a better position than we were. Return temporarily to release the lock.
fContinue = false;
break;
}
}
}
}
}
if (fBlocksDisconnected)
if (fBlocksDisconnected) {
mempool.removeForReorg(pcoinsTip, chainActive.Tip()->nHeight + 1, STANDARD_LOCKTIME_VERIFY_FLAGS);
mempool.TrimToSize(GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000);
}
mempool.check(pcoinsTip);
// Callbacks/notifications for a new best chain.
if (fInvalidFound)
@ -2672,6 +2681,7 @@ bool InvalidateBlock(CValidationState& state, const Consensus::Params& consensus
// ActivateBestChain considers blocks already in chainActive
// unconditionally valid already, so force disconnect away from it.
if (!DisconnectTip(state, consensusParams)) {
mempool.removeForReorg(pcoinsTip, chainActive.Tip()->nHeight + 1, STANDARD_LOCKTIME_VERIFY_FLAGS);
return false;
}
}
@ -2689,6 +2699,7 @@ bool InvalidateBlock(CValidationState& state, const Consensus::Params& consensus
}
InvalidChainFound(pindex);
mempool.removeForReorg(pcoinsTip, chainActive.Tip()->nHeight + 1, STANDARD_LOCKTIME_VERIFY_FLAGS);
return true;
}

2
src/main.h
View file

@ -467,7 +467,7 @@ bool InvalidateBlock(CValidationState& state, const Consensus::Params& consensus
/** Remove invalidity status from a block and its descendants. */
bool ReconsiderBlock(CValidationState& state, CBlockIndex *pindex);
/** The currently-connected chain of blocks. */
/** The currently-connected chain of blocks (protected by cs_main). */
extern CChain chainActive;
/** Global variable that points to the active CCoinsView (protected by cs_main) */

24
src/test/miner_tests.cpp
View file

@ -119,7 +119,8 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
{
tx.vout[0].nValue -= 1000000;
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Time(GetTime()).FromTx(tx));
bool spendsCoinbase = (i == 0) ? true : false; // only first tx spends coinbase
mempool.addUnchecked(hash, entry.Time(GetTime()).SpendsCoinbase(spendsCoinbase).FromTx(tx));
tx.vin[0].prevout.hash = hash;
}
BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
@ -139,7 +140,8 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
{
tx.vout[0].nValue -= 10000000;
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Time(GetTime()).FromTx(tx));
bool spendsCoinbase = (i == 0) ? true : false; // only first tx spends coinbase
mempool.addUnchecked(hash, entry.Time(GetTime()).SpendsCoinbase(spendsCoinbase).FromTx(tx));
tx.vin[0].prevout.hash = hash;
}
BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
@ -158,7 +160,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
tx.vin[0].prevout.hash = txFirst[1]->GetHash();
tx.vout[0].nValue = 4900000000LL;
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Time(GetTime()).FromTx(tx));
mempool.addUnchecked(hash, entry.Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
tx.vin[0].prevout.hash = hash;
tx.vin.resize(2);
tx.vin[1].scriptSig = CScript() << OP_1;
@ -166,7 +168,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
tx.vin[1].prevout.n = 0;
tx.vout[0].nValue = 5900000000LL;
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Time(GetTime()).FromTx(tx));
mempool.addUnchecked(hash, entry.Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
delete pblocktemplate;
mempool.clear();
@ -177,7 +179,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
tx.vin[0].scriptSig = CScript() << OP_0 << OP_1;
tx.vout[0].nValue = 0;
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Time(GetTime()).FromTx(tx));
mempool.addUnchecked(hash, entry.Time(GetTime()).SpendsCoinbase(false).FromTx(tx));
BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
delete pblocktemplate;
mempool.clear();
@ -190,12 +192,12 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
script = CScript() << OP_0;
tx.vout[0].scriptPubKey = GetScriptForDestination(CScriptID(script));
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Time(GetTime()).FromTx(tx));
mempool.addUnchecked(hash, entry.Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
tx.vin[0].prevout.hash = hash;
tx.vin[0].scriptSig = CScript() << std::vector<unsigned char>(script.begin(), script.end());
tx.vout[0].nValue -= 1000000;
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Time(GetTime()).FromTx(tx));
mempool.addUnchecked(hash, entry.Time(GetTime()).SpendsCoinbase(false).FromTx(tx));
BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
delete pblocktemplate;
mempool.clear();
@ -206,10 +208,10 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
tx.vout[0].nValue = 4900000000LL;
tx.vout[0].scriptPubKey = CScript() << OP_1;
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Time(GetTime()).FromTx(tx));
mempool.addUnchecked(hash, entry.Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
tx.vout[0].scriptPubKey = CScript() << OP_2;
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Time(GetTime()).FromTx(tx));
mempool.addUnchecked(hash, entry.Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
delete pblocktemplate;
mempool.clear();
@ -235,7 +237,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
tx.vout[0].scriptPubKey = CScript() << OP_1;
tx.nLockTime = chainActive.Tip()->nHeight+1;
hash = tx.GetHash();
mempool.addUnchecked(hash, entry.Time(GetTime()).FromTx(tx));
mempool.addUnchecked(hash, entry.Time(GetTime()).SpendsCoinbase(true).FromTx(tx));
BOOST_CHECK(!CheckFinalTx(tx, LOCKTIME_MEDIAN_TIME_PAST));
// time locked
@ -249,7 +251,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
tx2.vout[0].scriptPubKey = CScript() << OP_1;
tx2.nLockTime = chainActive.Tip()->GetMedianTimePast()+1;
hash = tx2.GetHash();
mempool.addUnchecked(hash, entry.Time(GetTime()).FromTx(tx2));
mempool.addUnchecked(hash, entry.Time(GetTime()).SpendsCoinbase(true).FromTx(tx2));
BOOST_CHECK(!CheckFinalTx(tx2, LOCKTIME_MEDIAN_TIME_PAST));
BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));

2
src/test/test_bitcoin.cpp
View file

@ -150,7 +150,7 @@ CTxMemPoolEntry TestMemPoolEntryHelper::FromTx(CMutableTransaction &tx, CTxMemPo
CAmount inChainValue = hasNoDependencies ? txn.GetValueOut() : 0;
return CTxMemPoolEntry(txn, nFee, nTime, dPriority, nHeight,
hasNoDependencies, inChainValue);
hasNoDependencies, inChainValue, spendsCoinbase);
}
void Shutdown(void* parg)

4
src/test/test_bitcoin.h
View file

@ -65,10 +65,11 @@ struct TestMemPoolEntryHelper
double dPriority;
unsigned int nHeight;
bool hadNoDependencies;
bool spendsCoinbase;
TestMemPoolEntryHelper() :
nFee(0), nTime(0), dPriority(0.0), nHeight(1),
hadNoDependencies(false) { }
hadNoDependencies(false), spendsCoinbase(false) { }
CTxMemPoolEntry FromTx(CMutableTransaction &tx, CTxMemPool *pool = NULL);
@ -78,5 +79,6 @@ struct TestMemPoolEntryHelper
TestMemPoolEntryHelper &Priority(double _priority) { dPriority = _priority; return *this; }
TestMemPoolEntryHelper &Height(unsigned int _height) { nHeight = _height; return *this; }
TestMemPoolEntryHelper &HadNoDependencies(bool _hnd) { hadNoDependencies = _hnd; return *this; }
TestMemPoolEntryHelper &SpendsCoinbase(bool _flag) { spendsCoinbase = _flag; return *this; }
};
#endif

33
src/txmempool.cpp
View file

@ -11,6 +11,7 @@
#include "main.h"
#include "policy/fees.h"
#include "streams.h"
#include "timedata.h"
#include "util.h"
#include "utilmoneystr.h"
#include "utiltime.h"
@ -20,9 +21,11 @@ using namespace std;
CTxMemPoolEntry::CTxMemPoolEntry(const CTransaction& _tx, const CAmount& _nFee,
int64_t _nTime, double _entryPriority, unsigned int _entryHeight,
bool poolHasNoInputsOf, CAmount _inChainInputValue):
bool poolHasNoInputsOf, CAmount _inChainInputValue,
bool _spendsCoinbase):
tx(_tx), nFee(_nFee), nTime(_nTime), entryPriority(_entryPriority), entryHeight(_entryHeight),
hadNoDependencies(poolHasNoInputsOf), inChainInputValue(_inChainInputValue)
hadNoDependencies(poolHasNoInputsOf), inChainInputValue(_inChainInputValue),
spendsCoinbase(_spendsCoinbase)
{
nTxSize = ::GetSerializeSize(tx, SER_NETWORK, PROTOCOL_VERSION);
nModSize = tx.CalculateModifiedSize(nTxSize);
@ -478,22 +481,26 @@ void CTxMemPool::remove(const CTransaction &origTx, std::list<CTransaction>& rem
}
}
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 (indexed_transaction_set::const_iterator it = mapTx.begin(); it != mapTx.end(); it++) {
const CTransaction& tx = it->GetTx();
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;
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;
}
}
}
}

7
src/txmempool.h
View file

@ -67,6 +67,7 @@ private:
unsigned int entryHeight; //! Chain height when entering the mempool
bool hadNoDependencies; //! Not dependent on any other txs when it entered the mempool
CAmount inChainInputValue; //! Sum of all txin values that are already in blockchain
bool spendsCoinbase; //! keep track of transactions that spend a coinbase
// Information about descendants of this transaction that are in the
// mempool; if we remove this transaction we must remove all of these
@ -80,7 +81,7 @@ private:
public:
CTxMemPoolEntry(const CTransaction& _tx, const CAmount& _nFee,
int64_t _nTime, double _entryPriority, unsigned int _entryHeight,
bool poolHasNoInputsOf, CAmount _inChainInputValue);
bool poolHasNoInputsOf, CAmount _inChainInputValue, bool spendsCoinbase);
CTxMemPoolEntry(const CTxMemPoolEntry& other);
const CTransaction& GetTx() const { return this->tx; }
@ -109,6 +110,8 @@ public:
uint64_t GetCountWithDescendants() const { return nCountWithDescendants; }
uint64_t GetSizeWithDescendants() const { return nSizeWithDescendants; }
CAmount GetFeesWithDescendants() const { return nFeesWithDescendants; }
bool GetSpendsCoinbase() const { return spendsCoinbase; }
};
// Helpers for modifying CTxMemPool::mapTx, which is a boost multi_index.
@ -376,7 +379,7 @@ public:
bool addUnchecked(const uint256& hash, const CTxMemPoolEntry &entry, setEntries &setAncestors, bool fCurrentEstimate = true);
void remove(const CTransaction &tx, std::list<CTransaction>& removed, bool fRecursive = false);
void removeCoinbaseSpends(const CCoinsViewCache *pcoins, unsigned int nMemPoolHeight);
void removeForReorg(const CCoinsViewCache *pcoins, unsigned int nMemPoolHeight, int flags);
void removeConflicts(const CTransaction &tx, std::list<CTransaction>& removed);
void removeForBlock(const std::vector<CTransaction>& vtx, unsigned int nBlockHeight,
std::list<CTransaction>& conflicts, bool fCurrentEstimate = true);