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pak mempool removal: don't modify the vector you are taking range over

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This commit is contained in:
Gregory Sanders 2019-01-07 18:33:58 -05:00
parent 8de42370d0
commit 85bcda52fc
1 changed files with 7 additions and 4 deletions
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11
src/txmempool.cpp
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@ -615,6 +615,7 @@ void CTxMemPool::removeForBlock(const std::vector<CTransactionRef>& vtx, unsigne
// Eject any newly-invalid peg-outs based on changing block commitment
const CChainParams& chainparams = Params();
if (pak_transition && chainparams.GetEnforcePak()) {
std::vector<CTransactionRef> tx_to_remove;
for (const auto& entry : mapTx) {
for (const auto& out : entry.GetTx().vout) {
if (out.scriptPubKey.IsPegoutScript(Params().ParentGenesisBlockHash()) &&
@ -622,14 +623,16 @@ void CTxMemPool::removeForBlock(const std::vector<CTransactionRef>& vtx, unsigne
const uint256 tx_id = entry.GetTx().GetHash();
txiter it = mapTx.find(tx_id);
const CTransaction& tx = it->GetTx();
setEntries stage;
stage.insert(it);
removeRecursive(tx, MemPoolRemovalReason::BLOCK);
ClearPrioritisation(tx_id);
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;