Require no cs_main lock for ProcessNewBlock/ActivateBestChain

This requires the removal of some very liberal (incorrect) cs_mains
sprinkled in some tests. It adds some chainActive.Tip() races, but
the tests are all single-threaded anyway.
This commit is contained in:
Matt Corallo
2017-12-04 18:25:57 -05:00
parent a734896038
commit a99b76f269
4 changed files with 47 additions and 34 deletions

View File

@@ -205,7 +205,6 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
entry.nFee = 11;
entry.nHeight = 11;
LOCK(cs_main);
fCheckpointsEnabled = false;
// Simple block creation, nothing special yet:
@@ -218,27 +217,32 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
for (unsigned int i = 0; i < sizeof(blockinfo)/sizeof(*blockinfo); ++i)
{
CBlock *pblock = &pblocktemplate->block; // pointer for convenience
pblock->nVersion = 1;
pblock->nTime = chainActive.Tip()->GetMedianTimePast()+1;
CMutableTransaction txCoinbase(*pblock->vtx[0]);
txCoinbase.nVersion = 1;
txCoinbase.vin[0].scriptSig = CScript();
txCoinbase.vin[0].scriptSig.push_back(blockinfo[i].extranonce);
txCoinbase.vin[0].scriptSig.push_back(chainActive.Height());
txCoinbase.vout.resize(1); // Ignore the (optional) segwit commitment added by CreateNewBlock (as the hardcoded nonces don't account for this)
txCoinbase.vout[0].scriptPubKey = CScript();
pblock->vtx[0] = MakeTransactionRef(std::move(txCoinbase));
if (txFirst.size() == 0)
baseheight = chainActive.Height();
if (txFirst.size() < 4)
txFirst.push_back(pblock->vtx[0]);
pblock->hashMerkleRoot = BlockMerkleRoot(*pblock);
pblock->nNonce = blockinfo[i].nonce;
{
LOCK(cs_main);
pblock->nVersion = 1;
pblock->nTime = chainActive.Tip()->GetMedianTimePast()+1;
CMutableTransaction txCoinbase(*pblock->vtx[0]);
txCoinbase.nVersion = 1;
txCoinbase.vin[0].scriptSig = CScript();
txCoinbase.vin[0].scriptSig.push_back(blockinfo[i].extranonce);
txCoinbase.vin[0].scriptSig.push_back(chainActive.Height());
txCoinbase.vout.resize(1); // Ignore the (optional) segwit commitment added by CreateNewBlock (as the hardcoded nonces don't account for this)
txCoinbase.vout[0].scriptPubKey = CScript();
pblock->vtx[0] = MakeTransactionRef(std::move(txCoinbase));
if (txFirst.size() == 0)
baseheight = chainActive.Height();
if (txFirst.size() < 4)
txFirst.push_back(pblock->vtx[0]);
pblock->hashMerkleRoot = BlockMerkleRoot(*pblock);
pblock->nNonce = blockinfo[i].nonce;
}
std::shared_ptr<const CBlock> shared_pblock = std::make_shared<const CBlock>(*pblock);
BOOST_CHECK(ProcessNewBlock(chainparams, shared_pblock, true, nullptr));
pblock->hashPrevBlock = pblock->GetHash();
}
LOCK(cs_main);
// Just to make sure we can still make simple blocks
BOOST_CHECK(pblocktemplate = AssemblerForTest(chainparams).CreateNewBlock(scriptPubKey));

View File

@@ -66,7 +66,6 @@ BOOST_FIXTURE_TEST_CASE(tx_mempool_block_doublespend, TestChain100Setup)
// Test 1: block with both of those transactions should be rejected.
block = CreateAndProcessBlock(spends, scriptPubKey);
LOCK(cs_main);
BOOST_CHECK(chainActive.Tip()->GetBlockHash() != block.GetHash());
// Test 2: ... and should be rejected if spend1 is in the memory pool
@@ -190,12 +189,12 @@ BOOST_FIXTURE_TEST_CASE(checkinputs_test, TestChain100Setup)
spend_tx.vin[0].scriptSig << vchSig;
}
LOCK(cs_main);
// Test that invalidity under a set of flags doesn't preclude validity
// under other (eg consensus) flags.
// spend_tx is invalid according to DERSIG
{
LOCK(cs_main);
CValidationState state;
PrecomputedTransactionData ptd_spend_tx(spend_tx);
@@ -213,16 +212,18 @@ BOOST_FIXTURE_TEST_CASE(checkinputs_test, TestChain100Setup)
// test later that block validation works fine in the absence of cached
// successes.
ValidateCheckInputsForAllFlags(spend_tx, SCRIPT_VERIFY_DERSIG | SCRIPT_VERIFY_LOW_S | SCRIPT_VERIFY_STRICTENC, false);
// And if we produce a block with this tx, it should be valid (DERSIG not
// enabled yet), even though there's no cache entry.
CBlock block;
block = CreateAndProcessBlock({spend_tx}, p2pk_scriptPubKey);
BOOST_CHECK(chainActive.Tip()->GetBlockHash() == block.GetHash());
BOOST_CHECK(pcoinsTip->GetBestBlock() == block.GetHash());
}
// And if we produce a block with this tx, it should be valid (DERSIG not
// enabled yet), even though there's no cache entry.
CBlock block;
block = CreateAndProcessBlock({spend_tx}, p2pk_scriptPubKey);
BOOST_CHECK(chainActive.Tip()->GetBlockHash() == block.GetHash());
BOOST_CHECK(pcoinsTip->GetBestBlock() == block.GetHash());
LOCK(cs_main);
// Test P2SH: construct a transaction that is valid without P2SH, and
// then test validity with P2SH.
{