kumi/danicoin
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

Wrap some more actions in a larger read txn

Browse source
This commit is contained in:
Howard Chu 2016-02-18 06:41:19 -08:00 committed by Howard Chu
parent 8cc7a36f0b
commit 5a07cefe7b
1 changed files with 25 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

36
src/cryptonote_core/blockchain.cpp
View file

@ -334,6 +334,7 @@ bool Blockchain::init(BlockchainDB* db, const bool testnet, const cryptonote::te
m_db->fixup();
}
m_db->block_txn_start(true);
// check how far behind we are
uint64_t top_block_timestamp = m_db->get_top_block_timestamp();
uint64_t timestamp_diff = time(NULL) - top_block_timestamp;
@ -354,6 +355,7 @@ bool Blockchain::init(BlockchainDB* db, const bool testnet, const cryptonote::te
#endif
LOG_PRINT_GREEN("Blockchain initialized. last block: " << m_db->height() - 1 << ", " << epee::misc_utils::get_time_interval_string(timestamp_diff) << " time ago, current difficulty: " << get_difficulty_for_next_block(), LOG_LEVEL_0);
m_db->block_txn_stop();
return true;
}
@ -549,6 +551,7 @@ bool Blockchain::get_short_chain_history(std::list<crypto::hash>& ids) const
if(!sz)
return true;
m_db->block_txn_start(true);
bool genesis_included = false;
uint64_t current_back_offset = 1;
while(current_back_offset < sz)
@ -575,6 +578,7 @@ bool Blockchain::get_short_chain_history(std::list<crypto::hash>& ids) const
{
ids.push_back(m_db->get_block_hash_from_height(0));
}
m_db->block_txn_stop();
return true;
}
@ -996,12 +1000,14 @@ void Blockchain::get_last_n_blocks_sizes(std::vector<size_t>& sz, size_t count)
if(h == 0)
return;
m_db->block_txn_start(true);
// add size of last <count> blocks to vector <sz> (or less, if blockchain size < count)
size_t start_offset = h - std::min<size_t>(h, count);
for(size_t i = start_offset; i < h; i++)
{
sz.push_back(m_db->get_block_size(i));
}
m_db->block_txn_stop();
}
//------------------------------------------------------------------
uint64_t Blockchain::get_current_cumulative_blocksize_limit() const
@ -2434,9 +2440,12 @@ bool Blockchain::handle_block_to_main_chain(const block& bl, const crypto::hash&
CRITICAL_REGION_LOCAL(m_blockchain_lock);
TIME_MEASURE_START(t1);
m_db->block_txn_start(true);
if(bl.prev_id != get_tail_id())
{
LOG_PRINT_L1("Block with id: " << id << std::endl << "has wrong prev_id: " << bl.prev_id << std::endl << "expected: " << get_tail_id());
leave:
m_db->block_txn_stop();
return false;
}
@ -2445,7 +2454,7 @@ bool Blockchain::handle_block_to_main_chain(const block& bl, const crypto::hash&
{
LOG_PRINT_L1("Block with id: " << id << std::endl << "has old version: " << (unsigned)bl.major_version << std::endl << "current: " << (unsigned)m_hardfork->get_current_version());
bvc.m_verifivation_failed = true;
return false;
goto leave;
}
TIME_MEASURE_FINISH(t1);
@ -2457,7 +2466,7 @@ bool Blockchain::handle_block_to_main_chain(const block& bl, const crypto::hash&
{
LOG_PRINT_L1("Block with id: " << id << std::endl << "has invalid timestamp: " << bl.timestamp);
bvc.m_verifivation_failed = true;
return false;
goto leave;
}
TIME_MEASURE_FINISH(t2);
@ -2497,7 +2506,7 @@ bool Blockchain::handle_block_to_main_chain(const block& bl, const crypto::hash&
{
LOG_PRINT_L1("Block with id is INVALID: " << id);
bvc.m_verifivation_failed = true;
return false;
goto leave;
}
fast_check = true;
}
@ -2518,7 +2527,7 @@ bool Blockchain::handle_block_to_main_chain(const block& bl, const crypto::hash&
{
LOG_PRINT_L1("Block with id: " << id << std::endl << "does not have enough proof of work: " << proof_of_work << std::endl << "unexpected difficulty: " << current_diffic);
bvc.m_verifivation_failed = true;
return false;
goto leave;
}
}
@ -2530,7 +2539,7 @@ bool Blockchain::handle_block_to_main_chain(const block& bl, const crypto::hash&
{
LOG_ERROR("CHECKPOINT VALIDATION FAILED");
bvc.m_verifivation_failed = true;
return false;
goto leave;
}
}
@ -2545,7 +2554,7 @@ bool Blockchain::handle_block_to_main_chain(const block& bl, const crypto::hash&
{
LOG_PRINT_L1("Block with id: " << id << " failed to pass prevalidation");
bvc.m_verifivation_failed = true;
return false;
goto leave;
}
size_t coinbase_blob_size = get_object_blobsize(bl.miner_tx);
@ -2581,7 +2590,7 @@ bool Blockchain::handle_block_to_main_chain(const block& bl, const crypto::hash&
LOG_PRINT_L1("Block with id: " << id << " attempting to add transaction already in blockchain with id: " << tx_id);
bvc.m_verifivation_failed = true;
return_tx_to_pool(txs);
return false;
goto leave;
}
TIME_MEASURE_FINISH(aa);
@ -2594,7 +2603,7 @@ bool Blockchain::handle_block_to_main_chain(const block& bl, const crypto::hash&
LOG_PRINT_L1("Block with id: " << id << " has at least one unknown transaction with id: " << tx_id);
bvc.m_verifivation_failed = true;
return_tx_to_pool(txs);
return false;
goto leave;
}
TIME_MEASURE_FINISH(bb);
@ -2631,7 +2640,7 @@ bool Blockchain::handle_block_to_main_chain(const block& bl, const crypto::hash&
LOG_PRINT_L1("Block with id " << id << " added as invalid because of wrong inputs in transactions");
bvc.m_verifivation_failed = true;
return_tx_to_pool(txs);
return false;
goto leave;
}
}
#if defined(PER_BLOCK_CHECKPOINT)
@ -2647,7 +2656,7 @@ bool Blockchain::handle_block_to_main_chain(const block& bl, const crypto::hash&
LOG_PRINT_L1("Block with id " << id << " added as invalid because of wrong inputs in transactions");
bvc.m_verifivation_failed = true;
return_tx_to_pool(txs);
return false;
goto leave;
}
}
#endif
@ -2667,7 +2676,7 @@ bool Blockchain::handle_block_to_main_chain(const block& bl, const crypto::hash&
LOG_PRINT_L1("Block with id: " << id << " has incorrect miner transaction");
bvc.m_verifivation_failed = true;
return_tx_to_pool(txs);
return false;
goto leave;
}
TIME_MEASURE_FINISH(vmt);
@ -2685,6 +2694,7 @@ bool Blockchain::handle_block_to_main_chain(const block& bl, const crypto::hash&
if(precomputed)
block_processing_time += m_fake_pow_calc_time;
m_db->block_txn_stop();
TIME_MEASURE_START(addblock);
uint64_t new_height = 0;
if (!bvc.m_verifivation_failed)
@ -2761,10 +2771,12 @@ bool Blockchain::add_new_block(const block& bl_, block_verification_context& bvc
crypto::hash id = get_block_hash(bl);
CRITICAL_REGION_LOCAL(m_tx_pool);//to avoid deadlock lets lock tx_pool for whole add/reorganize process
CRITICAL_REGION_LOCAL1(m_blockchain_lock);
m_db->block_txn_start(true);
if(have_block(id))
{
LOG_PRINT_L3("block with id = " << id << " already exists");
bvc.m_already_exists = true;
m_db->block_txn_stop();
return false;
}
@ -2773,10 +2785,12 @@ bool Blockchain::add_new_block(const block& bl_, block_verification_context& bvc
{
//chain switching or wrong block
bvc.m_added_to_main_chain = false;
m_db->block_txn_stop();
return handle_alternative_block(bl, id, bvc);
//never relay alternative blocks
}
m_db->block_txn_stop();
return handle_block_to_main_chain(bl, id, bvc);
}
//------------------------------------------------------------------