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fuzz: tx_pool checks ATMP result invariants

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This commit is contained in:
Greg Sanders 2023-10-16 12:20:22 -04:00
parent 3c0b66c2ec
commit 651fa404e4
1 changed files with 51 additions and 2 deletions
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53
src/test/fuzz/tx_pool.cpp
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@ -131,6 +131,53 @@ CTxMemPool MakeMempool(FuzzedDataProvider& fuzzed_data_provider, const NodeConte
return CTxMemPool{mempool_opts};
}
void CheckATMPInvariants(const MempoolAcceptResult& res, bool txid_in_mempool, bool wtxid_in_mempool)
{
switch (res.m_result_type) {
case MempoolAcceptResult::ResultType::VALID:
{
Assert(txid_in_mempool);
Assert(wtxid_in_mempool);
Assert(res.m_state.IsValid());
Assert(!res.m_state.IsInvalid());
Assert(res.m_replaced_transactions);
Assert(res.m_vsize);
Assert(res.m_base_fees);
Assert(res.m_effective_feerate);
Assert(res.m_wtxids_fee_calculations);
Assert(!res.m_other_wtxid);
break;
}
case MempoolAcceptResult::ResultType::INVALID:
{
// It may be already in the mempool since in ATMP cases we don't set MEMPOOL_ENTRY or DIFFERENT_WITNESS
Assert(!res.m_state.IsValid());
Assert(res.m_state.IsInvalid());
Assert(!res.m_replaced_transactions);
Assert(!res.m_vsize);
Assert(!res.m_base_fees);
// Unable or unwilling to calculate fees
Assert(!res.m_effective_feerate);
Assert(!res.m_wtxids_fee_calculations);
Assert(!res.m_other_wtxid);
break;
}
case MempoolAcceptResult::ResultType::MEMPOOL_ENTRY:
{
// ATMP never sets this; only set in package settings
Assert(false);
break;
}
case MempoolAcceptResult::ResultType::DIFFERENT_WITNESS:
{
// ATMP never sets this; only set in package settings
Assert(false);
break;
}
}
}
FUZZ_TARGET(tx_pool_standard, .init = initialize_tx_pool)
{
FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
@ -258,9 +305,11 @@ FUZZ_TARGET(tx_pool_standard, .init = initialize_tx_pool)
SyncWithValidationInterfaceQueue();
UnregisterSharedValidationInterface(txr);
bool txid_in_mempool = tx_pool.exists(GenTxid::Txid(tx->GetHash()));
bool wtxid_in_mempool = tx_pool.exists(GenTxid::Wtxid(tx->GetWitnessHash()));
CheckATMPInvariants(res, txid_in_mempool, wtxid_in_mempool);
Assert(accepted != added.empty());
Assert(accepted == res.m_state.IsValid());
Assert(accepted != res.m_state.IsInvalid());
if (accepted) {
Assert(added.size() == 1); // For now, no package acceptance
Assert(tx == *added.begin());