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-rw-r--r--src/blockchain_db/berkeleydb/db_bdb.cpp4
-rw-r--r--src/blockchain_db/lmdb/db_lmdb.cpp95
-rw-r--r--src/blockchain_db/lmdb/db_lmdb.h42
3 files changed, 114 insertions, 27 deletions
diff --git a/src/blockchain_db/berkeleydb/db_bdb.cpp b/src/blockchain_db/berkeleydb/db_bdb.cpp
index cdbca52f9..f035bf4c4 100644
--- a/src/blockchain_db/berkeleydb/db_bdb.cpp
+++ b/src/blockchain_db/berkeleydb/db_bdb.cpp
@@ -947,10 +947,12 @@ void BlockchainBDB::open(const std::string& filename, const int db_flags)
LOG_PRINT_RED_L0("Existing BerkeleyDB database was made by a later version. We don't know how it will change yet.");
compatible = false;
}
- else if (VERSION > 0 && result < VERSION)
+#if VERSION > 0
+ else if (result < VERSION)
{
compatible = false;
}
+#endif
}
else
{
diff --git a/src/blockchain_db/lmdb/db_lmdb.cpp b/src/blockchain_db/lmdb/db_lmdb.cpp
index a93079aa7..5119be3f5 100644
--- a/src/blockchain_db/lmdb/db_lmdb.cpp
+++ b/src/blockchain_db/lmdb/db_lmdb.cpp
@@ -220,6 +220,13 @@ const std::string lmdb_error(const std::string& error_string, int mdb_res)
} // anonymous namespace
+#define CURSOR(name) \
+ if (!m_cur_ ## name) { \
+ int result = mdb_cursor_open(*m_write_txn, m_ ## name, &m_cur_ ## name); \
+ if (result) \
+ throw0(DB_ERROR(std::string("Failed to open cursor: ").append(mdb_strerror(result)).c_str())); \
+ }
+
namespace cryptonote
{
std::atomic<uint64_t> mdb_txn_safe::num_active_txns{0};
@@ -523,16 +530,16 @@ void BlockchainLMDB::add_block(const block& blk, const size_t& block_size, const
LOG_PRINT_L3("BlockchainLMDB::" << __func__);
check_open();
+ CURSOR(block_heights)
MDB_val_copy<crypto::hash> val_h(blk_hash);
- MDB_val unused;
- if (mdb_get(*m_write_txn, m_block_heights, &val_h, &unused) == 0)
+ if (mdb_cursor_get(m_cur_block_heights, &val_h, NULL, MDB_SET) == 0)
throw1(BLOCK_EXISTS("Attempting to add block that's already in the db"));
if (m_height > 0)
{
MDB_val_copy<crypto::hash> parent_key(blk.prev_id);
MDB_val parent_h;
- if (mdb_get(*m_write_txn, m_block_heights, &parent_key, &parent_h))
+ if (mdb_cursor_get(m_cur_block_heights, &parent_key, &parent_h, MDB_SET))
{
LOG_PRINT_L3("m_height: " << m_height);
LOG_PRINT_L3("parent_key: " << blk.prev_id);
@@ -547,36 +554,43 @@ void BlockchainLMDB::add_block(const block& blk, const size_t& block_size, const
MDB_val_copy<uint64_t> key(m_height);
+ CURSOR(blocks)
+ CURSOR(block_sizes)
+ CURSOR(block_timestamps)
+ CURSOR(block_diffs)
+ CURSOR(block_coins)
+ CURSOR(block_hashes)
+
MDB_val_copy<blobdata> blob(block_to_blob(blk));
- result = mdb_put(*m_write_txn, m_blocks, &key, &blob, 0);
+ result = mdb_cursor_put(m_cur_blocks, &key, &blob, MDB_APPEND);
if (result)
throw0(DB_ERROR(std::string("Failed to add block blob to db transaction: ").append(mdb_strerror(result)).c_str()));
MDB_val_copy<size_t> sz(block_size);
- result = mdb_put(*m_write_txn, m_block_sizes, &key, &sz, 0);
+ result = mdb_cursor_put(m_cur_block_sizes, &key, &sz, MDB_APPEND);
if (result)
throw0(DB_ERROR(std::string("Failed to add block size to db transaction: ").append(mdb_strerror(result)).c_str()));
MDB_val_copy<uint64_t> ts(blk.timestamp);
- result = mdb_put(*m_write_txn, m_block_timestamps, &key, &ts, 0);
+ result = mdb_cursor_put(m_cur_block_timestamps, &key, &ts, MDB_APPEND);
if (result)
throw0(DB_ERROR(std::string("Failed to add block timestamp to db transaction: ").append(mdb_strerror(result)).c_str()));
MDB_val_copy<difficulty_type> diff(cumulative_difficulty);
- result = mdb_put(*m_write_txn, m_block_diffs, &key, &diff, 0);
+ result = mdb_cursor_put(m_cur_block_diffs, &key, &diff, MDB_APPEND);
if (result)
throw0(DB_ERROR(std::string("Failed to add block cumulative difficulty to db transaction: ").append(mdb_strerror(result)).c_str()));
MDB_val_copy<uint64_t> coinsgen(coins_generated);
- result = mdb_put(*m_write_txn, m_block_coins, &key, &coinsgen, 0);
+ result = mdb_cursor_put(m_cur_block_coins, &key, &coinsgen, MDB_APPEND);
if (result)
throw0(DB_ERROR(std::string("Failed to add block total generated coins to db transaction: ").append(mdb_strerror(result)).c_str()));
- result = mdb_put(*m_write_txn, m_block_heights, &val_h, &key, 0);
+ result = mdb_cursor_put(m_cur_block_heights, &val_h, &key, 0);
if (result)
throw0(DB_ERROR(std::string("Failed to add block height by hash to db transaction: ").append(mdb_strerror(result)).c_str()));
- result = mdb_put(*m_write_txn, m_block_hashes, &key, &val_h, 0);
+ result = mdb_cursor_put(m_cur_block_hashes, &key, &val_h, MDB_APPEND);
if (result)
throw0(DB_ERROR(std::string("Failed to add block hash to db transaction: ").append(mdb_strerror(result)).c_str()));
@@ -626,23 +640,27 @@ void BlockchainLMDB::add_transaction_data(const crypto::hash& blk_hash, const tr
int result = 0;
+ CURSOR(txs)
+ CURSOR(tx_heights)
+ CURSOR(tx_unlocks)
+
MDB_val_copy<crypto::hash> val_h(tx_hash);
MDB_val unused;
- if (mdb_get(*m_write_txn, m_txs, &val_h, &unused) == 0)
+ if (mdb_cursor_get(m_cur_txs, &val_h, &unused, MDB_SET) == 0)
throw1(TX_EXISTS("Attempting to add transaction that's already in the db"));
MDB_val_copy<blobdata> blob(tx_to_blob(tx));
- result = mdb_put(*m_write_txn, m_txs, &val_h, &blob, 0);
+ result = mdb_cursor_put(m_cur_txs, &val_h, &blob, 0);
if (result)
throw0(DB_ERROR(std::string("Failed to add tx blob to db transaction: ").append(mdb_strerror(result)).c_str()));
MDB_val_copy<uint64_t> height(m_height);
- result = mdb_put(*m_write_txn, m_tx_heights, &val_h, &height, 0);
+ result = mdb_cursor_put(m_cur_tx_heights, &val_h, &height, 0);
if (result)
throw0(DB_ERROR(std::string("Failed to add tx block height to db transaction: ").append(mdb_strerror(result)).c_str()));
MDB_val_copy<uint64_t> unlock_time(tx.unlock_time);
- result = mdb_put(*m_write_txn, m_tx_unlocks, &val_h, &unlock_time, 0);
+ result = mdb_cursor_put(m_cur_tx_unlocks, &val_h, &unlock_time, 0);
if (result)
throw0(DB_ERROR(std::string("Failed to add tx unlock time to db transaction: ").append(mdb_strerror(result)).c_str()));
}
@@ -680,23 +698,29 @@ void BlockchainLMDB::add_output(const crypto::hash& tx_hash, const tx_out& tx_ou
int result = 0;
+ CURSOR(output_txs)
+ CURSOR(tx_outputs)
+ CURSOR(output_indices)
+ CURSOR(output_amounts)
+ CURSOR(output_keys)
+
MDB_val_copy<uint64_t> k(m_num_outputs);
MDB_val_copy<crypto::hash> v(tx_hash);
- result = mdb_put(*m_write_txn, m_output_txs, &k, &v, 0);
+ result = mdb_cursor_put(m_cur_output_txs, &k, &v, MDB_APPEND);
if (result)
throw0(DB_ERROR(std::string("Failed to add output tx hash to db transaction: ").append(mdb_strerror(result)).c_str()));
- result = mdb_put(*m_write_txn, m_tx_outputs, &v, &k, 0);
+ result = mdb_cursor_put(m_cur_tx_outputs, &v, &k, 0);
if (result)
throw0(DB_ERROR(std::string("Failed to add <tx hash, global output index> to db transaction: ").append(mdb_strerror(result)).c_str()));
MDB_val_copy<uint64_t> val_local_index(local_index);
- result = mdb_put(*m_write_txn, m_output_indices, &k, &val_local_index, 0);
+ result = mdb_cursor_put(m_cur_output_indices, &k, &val_local_index, MDB_APPEND);
if (result)
throw0(DB_ERROR(std::string("Failed to add tx output index to db transaction: ").append(mdb_strerror(result)).c_str()));
MDB_val_copy<uint64_t> val_amount(tx_output.amount);
- result = mdb_put(*m_write_txn, m_output_amounts, &val_amount, &k, 0);
+ result = mdb_cursor_put(m_cur_output_amounts, &val_amount, &k, 0);
if (result)
throw0(DB_ERROR(std::string("Failed to add output amount to db transaction: ").append(mdb_strerror(result)).c_str()));
@@ -709,7 +733,7 @@ void BlockchainLMDB::add_output(const crypto::hash& tx_hash, const tx_out& tx_ou
MDB_val_copy<output_data_t> data(od);
//MDB_val_copy<crypto::public_key> val_pubkey(boost::get<txout_to_key>(tx_output.target).key);
- if (mdb_put(*m_write_txn, m_output_keys, &k, &data, 0))
+ if (mdb_cursor_put(m_cur_output_keys, &k, &data, MDB_APPEND))
throw0(DB_ERROR("Failed to add output pubkey to db transaction"));
}
else
@@ -867,15 +891,17 @@ void BlockchainLMDB::add_spent_key(const crypto::key_image& k_image)
LOG_PRINT_L3("BlockchainLMDB::" << __func__);
check_open();
+ CURSOR(spent_keys)
+
MDB_val_copy<crypto::key_image> val_key(k_image);
MDB_val unused;
- if (mdb_get(*m_write_txn, m_spent_keys, &val_key, &unused) == 0)
+ if (mdb_cursor_get(m_cur_spent_keys, &val_key, &unused, MDB_SET) == 0)
throw1(KEY_IMAGE_EXISTS("Attempting to add spent key image that's already in the db"));
char anything = '\0';
unused.mv_size = sizeof(char);
unused.mv_data = &anything;
- if (auto result = mdb_put(*m_write_txn, m_spent_keys, &val_key, &unused, 0))
+ if (auto result = mdb_cursor_put(m_cur_spent_keys, &val_key, &unused, 0))
throw1(DB_ERROR(std::string("Error adding spent key image to db transaction: ").append(mdb_strerror(result)).c_str()));
}
@@ -1116,10 +1142,12 @@ void BlockchainLMDB::open(const std::string& filename, const int mdb_flags)
LOG_PRINT_RED_L0("Existing lmdb database was made by a later version. We don't know how it will change yet.");
compatible = false;
}
- else if (VERSION > 0 && *(const uint32_t*)v.mv_data < VERSION)
+#if VERSION > 0
+ else if (*(const uint32_t*)v.mv_data < VERSION)
{
compatible = false;
}
+#endif
}
else
{
@@ -2140,6 +2168,8 @@ void BlockchainLMDB::batch_start(uint64_t batch_num_blocks)
m_write_batch_txn->m_batch_txn = true;
m_write_txn = m_write_batch_txn;
m_batch_active = true;
+ memset(&m_cursors, 0, sizeof(m_cursors));
+
LOG_PRINT_L3("batch transaction: begin");
}
@@ -2163,6 +2193,7 @@ void BlockchainLMDB::batch_commit()
m_write_txn = nullptr;
delete m_write_batch_txn;
+ memset(&m_cursors, 0, sizeof(m_cursors));
}
void BlockchainLMDB::batch_stop()
@@ -2185,6 +2216,7 @@ void BlockchainLMDB::batch_stop()
delete m_write_batch_txn;
m_write_batch_txn = nullptr;
m_batch_active = false;
+ memset(&m_cursors, 0, sizeof(m_cursors));
LOG_PRINT_L3("batch transaction: end");
}
@@ -2202,6 +2234,7 @@ void BlockchainLMDB::batch_abort()
m_write_batch_txn->abort();
m_batch_active = false;
m_write_batch_txn = nullptr;
+ memset(&m_cursors, 0, sizeof(m_cursors));
LOG_PRINT_L3("batch transaction: aborted");
}
@@ -2233,6 +2266,7 @@ void BlockchainLMDB::block_txn_start()
m_write_txn = nullptr;
throw0(DB_ERROR_TXN_START(lmdb_error("Failed to create a transaction for the db: ", mdb_res).c_str()));
}
+ memset(&m_cursors, 0, sizeof(m_cursors));
}
}
@@ -2248,6 +2282,7 @@ void BlockchainLMDB::block_txn_stop()
delete m_write_txn;
m_write_txn = nullptr;
+ memset(&m_cursors, 0, sizeof(m_cursors));
}
}
@@ -2260,6 +2295,7 @@ void BlockchainLMDB::block_txn_abort()
{
delete m_write_txn;
m_write_txn = nullptr;
+ memset(&m_cursors, 0, sizeof(m_cursors));
}
else
{
@@ -2318,6 +2354,7 @@ void BlockchainLMDB::pop_block(block& blk, std::vector<transaction>& txs)
if (auto mdb_res = mdb_txn_begin(m_env, NULL, 0, txn))
throw0(DB_ERROR(lmdb_error("Failed to create a transaction for the db: ", mdb_res).c_str()));
m_write_txn = &txn;
+ memset(&m_cursors, 0, sizeof(m_cursors));
}
uint64_t num_outputs = m_num_outputs;
@@ -2327,7 +2364,7 @@ void BlockchainLMDB::pop_block(block& blk, std::vector<transaction>& txs)
if (! m_batch_active)
{
m_write_txn = nullptr;
-
+ memset(&m_cursors, 0, sizeof(m_cursors));
txn.commit();
}
}
@@ -2335,6 +2372,7 @@ void BlockchainLMDB::pop_block(block& blk, std::vector<transaction>& txs)
{
m_num_outputs = num_outputs;
m_write_txn = nullptr;
+ memset(&m_cursors, 0, sizeof(m_cursors));
throw;
}
@@ -2489,13 +2527,14 @@ void BlockchainLMDB::get_output_key(const uint64_t &amount, const std::vector<ui
if (global_indices.size() > 0)
{
TXN_PREFIX_RDONLY();
+ lmdb_cur cur(*txn_ptr, m_output_keys);
for (const uint64_t &index : global_indices)
{
MDB_val_copy<uint64_t> k(index);
MDB_val v;
- auto get_result = mdb_get(*txn_ptr, m_output_keys, &k, &v);
+ auto get_result = mdb_cursor_get(cur, &k, &v, MDB_SET);
if (get_result == MDB_NOTFOUND)
throw1(OUTPUT_DNE("Attempting to get output pubkey by global index, but key does not exist"));
else if (get_result)
@@ -2579,7 +2618,7 @@ void BlockchainLMDB::set_hard_fork_starting_height(uint8_t version, uint64_t hei
MDB_val_copy<uint8_t> val_key(version);
MDB_val_copy<uint64_t> val_value(height);
- if (auto result = mdb_put(*txn_ptr, m_hf_starting_heights, &val_key, &val_value, 0))
+ if (auto result = mdb_put(*txn_ptr, m_hf_starting_heights, &val_key, &val_value, MDB_APPEND))
throw1(DB_ERROR(std::string("Error adding hard fork starting height to db transaction: ").append(mdb_strerror(result)).c_str()));
TXN_BLOCK_POSTFIX_SUCCESS();
@@ -2614,7 +2653,11 @@ void BlockchainLMDB::set_hard_fork_version(uint64_t height, uint8_t version)
MDB_val_copy<uint64_t> val_key(height);
MDB_val_copy<uint8_t> val_value(version);
- if (auto result = mdb_put(*txn_ptr, m_hf_versions, &val_key, &val_value, 0))
+ int result;
+ result = mdb_put(*txn_ptr, m_hf_versions, &val_key, &val_value, MDB_APPEND);
+ if (result == MDB_KEYEXIST)
+ result = mdb_put(*txn_ptr, m_hf_versions, &val_key, &val_value, 0);
+ if (result)
throw1(DB_ERROR(std::string("Error adding hard fork version to db transaction: ").append(mdb_strerror(result)).c_str()));
TXN_BLOCK_POSTFIX_SUCCESS();
diff --git a/src/blockchain_db/lmdb/db_lmdb.h b/src/blockchain_db/lmdb/db_lmdb.h
index 1964bfe45..150f59475 100644
--- a/src/blockchain_db/lmdb/db_lmdb.h
+++ b/src/blockchain_db/lmdb/db_lmdb.h
@@ -38,6 +38,46 @@
namespace cryptonote
{
+struct mdb_txn_cursors
+{
+ MDB_cursor *m_txc_blocks;
+ MDB_cursor *m_txc_block_heights;
+ MDB_cursor *m_txc_block_hashes;
+ MDB_cursor *m_txc_block_timestamps;
+ MDB_cursor *m_txc_block_sizes;
+ MDB_cursor *m_txc_block_diffs;
+ MDB_cursor *m_txc_block_coins;
+
+ MDB_cursor *m_txc_output_txs;
+ MDB_cursor *m_txc_output_indices;
+ MDB_cursor *m_txc_output_amounts;
+ MDB_cursor *m_txc_output_keys;
+
+ MDB_cursor *m_txc_txs;
+ MDB_cursor *m_txc_tx_heights;
+ MDB_cursor *m_txc_tx_unlocks;
+ MDB_cursor *m_txc_tx_outputs;
+
+ MDB_cursor *m_txc_spent_keys;
+};
+
+#define m_cur_blocks m_cursors.m_txc_blocks
+#define m_cur_block_heights m_cursors.m_txc_block_heights
+#define m_cur_block_hashes m_cursors.m_txc_block_hashes
+#define m_cur_block_timestamps m_cursors.m_txc_block_timestamps
+#define m_cur_block_sizes m_cursors.m_txc_block_sizes
+#define m_cur_block_diffs m_cursors.m_txc_block_diffs
+#define m_cur_block_coins m_cursors.m_txc_block_coins
+#define m_cur_output_txs m_cursors.m_txc_output_txs
+#define m_cur_output_indices m_cursors.m_txc_output_indices
+#define m_cur_output_amounts m_cursors.m_txc_output_amounts
+#define m_cur_output_keys m_cursors.m_txc_output_keys
+#define m_cur_txs m_cursors.m_txc_txs
+#define m_cur_tx_heights m_cursors.m_txc_tx_heights
+#define m_cur_tx_unlocks m_cursors.m_txc_tx_unlocks
+#define m_cur_tx_outputs m_cursors.m_txc_tx_outputs
+#define m_cur_spent_keys m_cursors.m_txc_spent_keys
+
struct mdb_txn_safe
{
mdb_txn_safe();
@@ -315,6 +355,8 @@ private:
bool m_batch_transactions; // support for batch transactions
bool m_batch_active; // whether batch transaction is in progress
+ struct mdb_txn_cursors m_cursors;
+
#if defined(__arm__)
// force a value so it can compile with 32-bit ARM
constexpr static uint64_t DEFAULT_MAPSIZE = 1LL << 31;