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[fuzz] Assert that omitting missing transactions always fails block reconstruction

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This commit is contained in:
dergoegge 2023-01-19 18:06:24 +01:00
parent a8ac61ab5e
commit a1c36275b5
1 changed files with 6 additions and 0 deletions
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6
src/test/fuzz/partially_downloaded_block.cpp
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@ -82,6 +82,9 @@ FUZZ_TARGET_INIT(partially_downloaded_block, initialize_pdb)
auto init_status{pdb.InitData(cmpctblock, extra_txn)};
std::vector<CTransactionRef> missing;
// Whether we skipped a transaction that should be included in `missing`.
// FillBlock should never return READ_STATUS_OK if that is the case.
bool skipped_missing{false};
for (size_t i = 0; i < cmpctblock.BlockTxCount(); i++) {
// If init_status == READ_STATUS_OK then a available transaction in the
// compact block (i.e. IsTxAvailable(i) == true) implies that we marked
@ -97,6 +100,8 @@ FUZZ_TARGET_INIT(partially_downloaded_block, initialize_pdb)
if (!pdb.IsTxAvailable(i) && !skip) {
missing.push_back(block->vtx[i]);
}
skipped_missing |= (!pdb.IsTxAvailable(i) && skip);
}
// Mock CheckBlock
@ -123,6 +128,7 @@ FUZZ_TARGET_INIT(partially_downloaded_block, initialize_pdb)
auto fill_status{pdb.FillBlock(reconstructed_block, missing)};
switch (fill_status) {
case READ_STATUS_OK:
assert(!skipped_missing);
assert(!fail_check_block);
assert(block->GetHash() == reconstructed_block.GetHash());
break;