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Have removeForBlock boot transactions when required

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This commit is contained in:
Gregory Sanders 2019-05-31 13:45:38 -04:00
parent 0cfe03bec4
commit 2eded09b6a
2 changed files with 39 additions and 5 deletions
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37
src/txmempool.cpp
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@ -18,6 +18,7 @@
#include <util/moneystr.h>
#include <util/time.h>
#include <chainparams.h> // removeForBlock paklist transition
#include <pegins.h>
CTxMemPoolEntry::CTxMemPoolEntry(const CTransactionRef& _tx, const CAmount& _nFee,
int64_t _nTime, unsigned int _entryHeight,
@ -548,7 +549,7 @@ void CTxMemPool::removeConflicts(const CTransaction &tx)
/**
* Called when a block is connected. Removes from mempool and updates the miner fee estimator.
*/
void CTxMemPool::removeForBlock(const std::vector<CTransactionRef>& vtx, unsigned int nBlockHeight, bool pak_transition)
void CTxMemPool::removeForBlock(const std::vector<CTransactionRef>& vtx, unsigned int nBlockHeight, const CBlockIndex* p_block_index_new)
{
LOCK(cs);
std::vector<const CTxMemPoolEntry*> entries;
@ -574,6 +575,40 @@ void CTxMemPool::removeForBlock(const std::vector<CTransactionRef>& vtx, unsigne
ClearPrioritisation(tx->GetHash());
}
// Eject transactions that are invalid for *following* block due to transition
// We check every epoch_length blocks due to peg-ins expiring an epoch after
// being changed
if (p_block_index_new) {
const CChainParams& chainparams = Params();
uint32_t epoch_length = chainparams.GetConsensus().dynamic_epoch_length;
if ((p_block_index_new->nHeight+1) % epoch_length == 0) {
CPAKList enforced_paklist = GetActivePAKList(p_block_index_new, chainparams.GetConsensus());
std::vector<CTransactionRef> tx_to_remove;
for (const auto& entry : mapTx) {
const CTransaction& tx = entry.GetTx();
if (chainparams.GetEnforcePak() && !IsPAKValidTx(tx, enforced_paklist)) {
tx_to_remove.push_back(MakeTransactionRef(tx));
continue;
}
std::vector<CScript> fedpegscripts = GetValidFedpegScripts(p_block_index_new, chainparams.GetConsensus(), true /* nextblock_validation */);
for (size_t nIn = 0; nIn < tx.vin.size(); nIn++) {
const CTxIn& in = tx.vin[nIn];
std::string err;
if (in.m_is_pegin && (!tx.HasWitness() || !IsValidPeginWitness(tx.witness.vtxinwit[nIn].m_pegin_witness, fedpegscripts, in.prevout, err, true /* check_depth */))) {
tx_to_remove.push_back(MakeTransactionRef(tx));
break;
}
}
}
for (auto& tx : tx_to_remove) {
const uint256 tx_id = tx->GetHash();
removeRecursive(*tx, MemPoolRemovalReason::BLOCK);
ClearPrioritisation(tx_id);
}
}
}
lastRollingFeeUpdate = GetTime();
blockSinceLastRollingFeeBump = true;
}