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Require no cs_main lock for ProcessNewBlock/ActivateBestChain

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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
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6
src/test/miner_tests.cpp
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:
@ -218,6 +217,8 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
for (unsigned int i = 0; i < sizeof(blockinfo)/sizeof(*blockinfo); ++i)
{
CBlock *pblock = &pblocktemplate->block; // pointer for convenience
{
LOCK(cs_main);
pblock->nVersion = 1;
pblock->nTime = chainActive.Tip()->GetMedianTimePast()+1;
CMutableTransaction txCoinbase(*pblock->vtx[0]);
@ -234,11 +235,14 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
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));

9
src/test/txvalidationcache_tests.cpp
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);
@ -213,6 +212,7 @@ 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.
@ -221,7 +221,8 @@ BOOST_FIXTURE_TEST_CASE(checkinputs_test, TestChain100Setup)
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.

3
src/validation.cpp
View File

@ -2559,6 +2559,7 @@ bool CChainState::ActivateBestChain(CValidationState &state, const CChainParams&
// far from a guarantee. Things in the P2P/RPC will often end up calling
// us in the middle of ProcessNewBlock - do not assume pblock is set
// sanely for performance or correctness!
AssertLockNotHeld(cs_main);
CBlockIndex *pindexMostWork = nullptr;
CBlockIndex *pindexNewTip = nullptr;
@ -3383,6 +3384,8 @@ bool CChainState::AcceptBlock(const std::shared_ptr<const CBlock>& pblock, CVali
bool ProcessNewBlock(const CChainParams& chainparams, const std::shared_ptr<const CBlock> pblock, bool fForceProcessing, bool *fNewBlock)
{
AssertLockNotHeld(cs_main);
{
CBlockIndex *pindex = nullptr;
if (fNewBlock) *fNewBlock = false;

17
src/wallet/test/wallet_tests.cpp
View File

@ -370,8 +370,6 @@ static void AddKey(CWallet& wallet, const CKey& key)
BOOST_FIXTURE_TEST_CASE(rescan, TestChain100Setup)
{
LOCK(cs_main);
// Cap last block file size, and mine new block in a new block file.
CBlockIndex* const nullBlock = nullptr;
CBlockIndex* oldTip = chainActive.Tip();
@ -379,6 +377,8 @@ BOOST_FIXTURE_TEST_CASE(rescan, TestChain100Setup)
CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey()));
CBlockIndex* newTip = chainActive.Tip();
LOCK(cs_main);
// Verify ScanForWalletTransactions picks up transactions in both the old
// and new block files.
{
@ -447,8 +447,6 @@ BOOST_FIXTURE_TEST_CASE(rescan, TestChain100Setup)
// than or equal to key birthday.
BOOST_FIXTURE_TEST_CASE(importwallet_rescan, TestChain100Setup)
{
LOCK(cs_main);
// Create two blocks with same timestamp to verify that importwallet rescan
// will pick up both blocks, not just the first.
const int64_t BLOCK_TIME = chainActive.Tip()->GetBlockTimeMax() + 5;
@ -462,6 +460,8 @@ BOOST_FIXTURE_TEST_CASE(importwallet_rescan, TestChain100Setup)
SetMockTime(KEY_TIME);
coinbaseTxns.emplace_back(*CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey())).vtx[0]);
LOCK(cs_main);
// Import key into wallet and call dumpwallet to create backup file.
{
CWallet wallet;
@ -627,10 +627,15 @@ public:
BOOST_CHECK(wallet->CreateTransaction({recipient}, wtx, reservekey, fee, changePos, error, dummy));
CValidationState state;
BOOST_CHECK(wallet->CommitTransaction(wtx, reservekey, nullptr, state));
CMutableTransaction blocktx;
{
LOCK(wallet->cs_wallet);
blocktx = CMutableTransaction(*wallet->mapWallet.at(wtx.GetHash()).tx);
}
CreateAndProcessBlock({CMutableTransaction(blocktx)}, GetScriptForRawPubKey(coinbaseKey.GetPubKey()));
LOCK(wallet->cs_wallet);
auto it = wallet->mapWallet.find(wtx.GetHash());
BOOST_CHECK(it != wallet->mapWallet.end());
CreateAndProcessBlock({CMutableTransaction(*it->second.tx)}, GetScriptForRawPubKey(coinbaseKey.GetPubKey()));
it->second.SetMerkleBranch(chainActive.Tip(), 1);
return it->second;
}
@ -641,7 +646,6 @@ public:
BOOST_FIXTURE_TEST_CASE(ListCoins, ListCoinsTestingSetup)
{
std::string coinbaseAddress = coinbaseKey.GetPubKey().GetID().ToString();
LOCK2(cs_main, wallet->cs_wallet);
// Confirm ListCoins initially returns 1 coin grouped under coinbaseKey
// address.
@ -669,6 +673,7 @@ BOOST_FIXTURE_TEST_CASE(ListCoins, ListCoinsTestingSetup)
BOOST_CHECK_EQUAL(available.size(), 2);
for (const auto& group : list) {
for (const auto& coin : group.second) {
LOCK(wallet->cs_wallet);
wallet->LockCoin(COutPoint(coin.tx->GetHash(), coin.i));
}
}