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Merge pull request #1018

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6cf8ca2 core: faster find_blockchain_supplement (moneromooo-monero)
This commit is contained in:
Riccardo Spagni 2016-09-01 11:29:22 +02:00
commit d3994f1df0
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GPG Key ID: 55432DF31CCD4FCD
7 changed files with 19 additions and 12 deletions
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5
src/blockchain_db/berkeleydb/db_bdb.cpp
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@ -1235,7 +1235,7 @@ void BlockchainBDB::unlock()
check_open();
}
bool BlockchainBDB::block_exists(const crypto::hash& h) const
bool BlockchainBDB::block_exists(const crypto::hash& h, uint64_t *height) const
{
LOG_PRINT_L3("BlockchainBDB::" << __func__);
check_open();
@ -1251,6 +1251,9 @@ bool BlockchainBDB::block_exists(const crypto::hash& h) const
else if (get_result)
throw0(DB_ERROR("DB error attempting to fetch block index from hash"));
if (height)
*height = get_result - 1;
return true;
}

2
src/blockchain_db/berkeleydb/db_bdb.h
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@ -250,7 +250,7 @@ public:
virtual void unlock();
virtual bool block_exists(const crypto::hash& h) const;
virtual bool block_exists(const crypto::hash& h, uint64_t *height = NULL) const;
virtual block get_block(const crypto::hash& h) const;

3
src/blockchain_db/blockchain_db.h
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@ -736,10 +736,11 @@ public:
* @brief checks if a block exists
*
* @param h the hash of the requested block
* @param height if non NULL, returns the block's height if found
*
* @return true of the block exists, otherwise false
*/
virtual bool block_exists(const crypto::hash& h) const = 0;
virtual bool block_exists(const crypto::hash& h, uint64_t *height = NULL) const = 0;
/**
* @brief fetches the block with the given hash

9
src/blockchain_db/lmdb/db_lmdb.cpp
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@ -1387,7 +1387,7 @@ void BlockchainLMDB::unlock()
auto_txn.commit(); \
} while(0)
bool BlockchainLMDB::block_exists(const crypto::hash& h) const
bool BlockchainLMDB::block_exists(const crypto::hash& h, uint64_t *height) const
{
LOG_PRINT_L3("BlockchainLMDB::" << __func__);
check_open();
@ -1405,7 +1405,14 @@ bool BlockchainLMDB::block_exists(const crypto::hash& h) const
else if (get_result)
throw0(DB_ERROR(lmdb_error("DB error attempting to fetch block index from hash", get_result).c_str()));
else
{
if (height)
{
const blk_height *bhp = (const blk_height *)key.mv_data;
*height = bhp->bh_height;
}
ret = true;
}
TXN_POSTFIX_RDONLY();
return ret;

2
src/blockchain_db/lmdb/db_lmdb.h
View File

@ -168,7 +168,7 @@ public:
virtual void unlock();
virtual bool block_exists(const crypto::hash& h) const;
virtual bool block_exists(const crypto::hash& h, uint64_t *height = NULL) const;
virtual block get_block(const crypto::hash& h) const;

6
src/cryptonote_core/blockchain.cpp
View File

@ -1801,13 +1801,9 @@ bool Blockchain::find_blockchain_supplement(const std::list<crypto::hash>& qbloc
{
try
{
split_height = m_db->get_block_height(*bl_it);
if (m_db->block_exists(*bl_it, &split_height))
break;
}
catch (const BLOCK_DNE& e)
{
continue;
}
catch (const std::exception& e)
{
LOG_PRINT_L1("Non-critical error trying to find block by hash in BlockchainDB, hash: " << *bl_it);

2
tests/unit_tests/hardfork.cpp
View File

@ -58,7 +58,7 @@ public:
virtual void block_txn_stop() {}
virtual void block_txn_abort() {}
virtual void drop_hard_fork_info() {}
virtual bool block_exists(const crypto::hash& h) const { return false; }
virtual bool block_exists(const crypto::hash& h, uint64_t *height) const { return false; }
virtual block get_block(const crypto::hash& h) const { return block(); }
virtual uint64_t get_block_height(const crypto::hash& h) const { return 0; }
virtual block_header get_block_header(const crypto::hash& h) const { return block_header(); }