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MOVEONLY: check for disjoint conflicts and ancestors to policy/rbf

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This checks that a transaction isn't trying to replace something it
supposedly depends on.
This commit is contained in:
glozow 2021-07-27 15:55:25 +01:00
parent 7b60c02b7d
commit 3f033f01a6
3 changed files with 32 additions and 10 deletions
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12
src/validation.cpp
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@ -770,16 +770,8 @@ bool MemPoolAccept::PreChecks(ATMPArgs& args, Workspace& ws)
// that we have the set of all ancestors we can detect this
// pathological case by making sure setConflicts and setAncestors don't
// intersect.
for (CTxMemPool::txiter ancestorIt : setAncestors)
{
const uint256 &hashAncestor = ancestorIt->GetTx().GetHash();
if (setConflicts.count(hashAncestor))
{
return state.Invalid(TxValidationResult::TX_CONSENSUS, "bad-txns-spends-conflicting-tx",
strprintf("%s spends conflicting transaction %s",
hash.ToString(),
hashAncestor.ToString()));
}
if (const auto err_string{EntriesAndTxidsDisjoint(setAncestors, setConflicts, hash)}) {
return state.Invalid(TxValidationResult::TX_CONSENSUS, "bad-txns-spends-conflicting-tx", *err_string);
}