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Can't cache num_txs or num_outputs either 

Same reason as 3ff54bdd7a
This commit is contained in:
Howard Chu 2017-02-18 18:46:26 +00:00
parent dc53e9eef2
commit bf1348b7e2
No known key found for this signature in database
GPG Key ID: FD2A70B44AB11BA7
2 changed files with 34 additions and 34 deletions
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63
src/blockchain_db/lmdb/db_lmdb.cpp
View File

@ -706,7 +706,7 @@ uint64_t BlockchainLMDB::add_transaction_data(const crypto::hash& blk_hash, cons
uint64_t m_height = height();
int result;
uint64_t tx_id = m_num_txs;
uint64_t tx_id = num_txs();
CURSOR(txs)
CURSOR(tx_indices)
@ -739,7 +739,6 @@ uint64_t BlockchainLMDB::add_transaction_data(const crypto::hash& blk_hash, cons
if (result)
throw0(DB_ERROR(lmdb_error("Failed to add tx blob to db transaction: ", result).c_str()));
m_num_txs++;
return tx_id;
}
@ -787,8 +786,6 @@ void BlockchainLMDB::remove_transaction_data(const crypto::hash& tx_hash, const
// Don't delete the tx_indices entry until the end, after we're done with val_tx_id
if (mdb_cursor_del(m_cur_tx_indices, 0))
throw1(DB_ERROR("Failed to add removal of tx index to db transaction"));
m_num_txs--;
}
uint64_t BlockchainLMDB::add_output(const crypto::hash& tx_hash,
@ -801,6 +798,7 @@ uint64_t BlockchainLMDB::add_output(const crypto::hash& tx_hash,
check_open();
mdb_txn_cursors *m_cursors = &m_wcursors;
uint64_t m_height = height();
uint64_t m_num_outputs = num_outputs();
int result = 0;
@ -853,7 +851,6 @@ uint64_t BlockchainLMDB::add_output(const crypto::hash& tx_hash,
if ((result = mdb_cursor_put(m_cur_output_amounts, &val_amount, &data, MDB_APPENDDUP)))
throw0(DB_ERROR(lmdb_error("Failed to add output pubkey to db transaction: ", result).c_str()));
m_num_outputs++;
return ok.amount_index;
}
@ -938,8 +935,6 @@ void BlockchainLMDB::remove_output(const uint64_t amount, const uint64_t& out_in
result = mdb_cursor_del(m_cur_output_amounts, 0);
if (result)
throw0(DB_ERROR(lmdb_error(std::string("Error deleting amount for output index ").append(boost::lexical_cast<std::string>(out_index).append(": ")).c_str(), result).c_str()));
m_num_outputs--;
}
void BlockchainLMDB::add_spent_key(const crypto::key_image& k_image)
@ -1159,16 +1154,6 @@ void BlockchainLMDB::open(const std::string& filename, const int mdb_flags)
LOG_PRINT_L2("Setting m_height to: " << db_stats.ms_entries);
uint64_t m_height = db_stats.ms_entries;
// get and keep current number of txs
if ((result = mdb_stat(txn, m_txs, &db_stats)))
throw0(DB_ERROR(lmdb_error("Failed to query m_txs: ", result).c_str()));
m_num_txs = db_stats.ms_entries;
// get and keep current number of outputs
if ((result = mdb_stat(txn, m_output_txs, &db_stats)))
throw0(DB_ERROR(lmdb_error("Failed to query m_output_txs: ", result).c_str()));
m_num_outputs = db_stats.ms_entries;
bool compatible = true;
MDB_val_copy<const char*> k("version");
@ -1308,7 +1293,6 @@ void BlockchainLMDB::reset()
throw0(DB_ERROR(lmdb_error("Failed to write version to database: ", result).c_str()));
txn.commit();
m_num_outputs = 0;
m_cum_size = 0;
m_cum_count = 0;
}
@ -1718,6 +1702,34 @@ uint64_t BlockchainLMDB::height() const
return db_stats.ms_entries;
}
uint64_t BlockchainLMDB::num_txs() const
{
LOG_PRINT_L3("BlockchainLMDB::" << __func__);
check_open();
TXN_PREFIX_RDONLY();
int result;
// get current height
MDB_stat db_stats;
if ((result = mdb_stat(m_txn, m_txs, &db_stats)))
throw0(DB_ERROR(lmdb_error("Failed to query m_txs: ", result).c_str()));
return db_stats.ms_entries;
}
uint64_t BlockchainLMDB::num_outputs() const
{
LOG_PRINT_L3("BlockchainLMDB::" << __func__);
check_open();
TXN_PREFIX_RDONLY();
int result;
// get current height
MDB_stat db_stats;
if ((result = mdb_stat(m_txn, m_output_txs, &db_stats)))
throw0(DB_ERROR(lmdb_error("Failed to query m_output_txs: ", result).c_str()));
return db_stats.ms_entries;
}
bool BlockchainLMDB::tx_exists(const crypto::hash& h) const
{
LOG_PRINT_L3("BlockchainLMDB::" << __func__);
@ -2549,8 +2561,6 @@ uint64_t BlockchainLMDB::add_block(const block& blk, const size_t& block_size, c
}
}
uint64_t num_txs = m_num_txs;
uint64_t num_outputs = m_num_outputs;
try
{
BlockchainDB::add_block(blk, block_size, cumulative_difficulty, coins_generated, txs);
@ -2561,8 +2571,6 @@ uint64_t BlockchainLMDB::add_block(const block& blk, const size_t& block_size, c
}
catch (...)
{
m_num_txs = num_txs;
m_num_outputs = num_outputs;
block_txn_abort();
throw;
}
@ -2577,8 +2585,6 @@ void BlockchainLMDB::pop_block(block& blk, std::vector<transaction>& txs)
block_txn_start(false);
uint64_t num_txs = m_num_txs;
uint64_t num_outputs = m_num_outputs;
try
{
BlockchainDB::pop_block(blk, txs);
@ -2586,8 +2592,6 @@ void BlockchainLMDB::pop_block(block& blk, std::vector<transaction>& txs)
}
catch (...)
{
m_num_txs = num_txs;
m_num_outputs = num_outputs;
block_txn_abort();
throw;
}
@ -3261,8 +3265,6 @@ void BlockchainLMDB::migrate_0_1()
lmdb_db_open(txn, LMDB_OUTPUT_AMOUNTS, MDB_INTEGERKEY | MDB_DUPSORT | MDB_DUPFIXED | MDB_CREATE, m_output_amounts, "Failed to open db handle for m_output_amounts");
mdb_set_dupsort(txn, m_output_amounts, compare_uint64);
txn.commit();
m_num_txs = 0;
m_num_outputs = 0;
} while(0);
do {
@ -3333,12 +3335,9 @@ void BlockchainLMDB::migrate_0_1()
throw0(DB_ERROR(lmdb_error("Failed to open a cursor for txs: ", result).c_str()));
if (!i) {
MDB_stat ms;
mdb_stat(txn, m_output_txs, &ms);
m_num_outputs = ms.ms_entries;
mdb_stat(txn, m_txs, &ms);
m_num_txs = i = ms.ms_entries;
i = ms.ms_entries;
if (i) {
m_num_txs = i;
MDB_val_set(pk, "txblk");
result = mdb_cursor_get(c_props, &pk, &k, MDB_SET);
if (result)

5
src/blockchain_db/lmdb/db_lmdb.h
View File

@ -312,6 +312,9 @@ private:
virtual void remove_spent_key(const crypto::key_image& k_image);
uint64_t num_txs() const;
uint64_t num_outputs() const;
// Hard fork
virtual void set_hard_fork_version(uint64_t height, uint8_t version);
virtual uint8_t get_hard_fork_version(uint64_t height) const;
@ -369,8 +372,6 @@ private:
MDB_dbi m_properties;
uint64_t m_num_txs;
uint64_t m_num_outputs;
mutable uint64_t m_cum_size; // used in batch size estimation
mutable unsigned int m_cum_count;
std::string m_folder;