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This commit is contained in:
Howard Chu 2016-03-03 04:03:04 +00:00
parent 132c666f67
commit 8d252a4214
2 changed files with 62 additions and 94 deletions
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132
src/blockchain_db/lmdb/db_lmdb.cpp
View File

@ -152,12 +152,8 @@ int compare_string(const MDB_val *a, const MDB_val *b)
} }
const char* const LMDB_BLOCKS = "blocks"; const char* const LMDB_BLOCKS = "blocks";
const char* const LMDB_BLOCK_TIMESTAMPS = "block_timestamps"; const char* const LMDB_BLOCK_INFO = "block_info";
const char* const LMDB_BLOCK_HEIGHTS = "block_heights"; const char* const LMDB_BLOCK_HEIGHTS = "block_heights";
const char* const LMDB_BLOCK_HASHES = "block_hashes";
const char* const LMDB_BLOCK_SIZES = "block_sizes";
const char* const LMDB_BLOCK_DIFFS = "block_diffs";
const char* const LMDB_BLOCK_COINS = "block_coins";
const char* const LMDB_TXS = "txs"; const char* const LMDB_TXS = "txs";
const char* const LMDB_TX_UNLOCKS = "tx_unlocks"; const char* const LMDB_TX_UNLOCKS = "tx_unlocks";
@ -212,6 +208,17 @@ inline void lmdb_db_open(MDB_txn* txn, const char* name, int flags, MDB_dbi& dbi
namespace cryptonote namespace cryptonote
{ {
typedef struct mdb_block_info
{
uint64_t bi_height;
uint64_t bi_timestamp;
uint64_t bi_coins;
uint64_t bi_size;
difficulty_type bi_diff;
crypto::hash bi_hash;
} mdb_block_info;
std::atomic<uint64_t> mdb_txn_safe::num_active_txns{0}; std::atomic<uint64_t> mdb_txn_safe::num_active_txns{0};
std::atomic_flag mdb_txn_safe::creation_gate = ATOMIC_FLAG_INIT; std::atomic_flag mdb_txn_safe::creation_gate = ATOMIC_FLAG_INIT;
@ -550,45 +557,31 @@ void BlockchainLMDB::add_block(const block& blk, const size_t& block_size, const
MDB_val_copy<uint64_t> key(m_height); MDB_val_copy<uint64_t> key(m_height);
CURSOR(blocks) CURSOR(blocks)
CURSOR(block_sizes) CURSOR(block_info)
CURSOR(block_timestamps)
CURSOR(block_diffs)
CURSOR(block_coins)
CURSOR(block_hashes)
MDB_val_copy<blobdata> blob(block_to_blob(blk)); MDB_val_copy<blobdata> blob(block_to_blob(blk));
result = mdb_cursor_put(m_cur_blocks, &key, &blob, MDB_APPEND); result = mdb_cursor_put(m_cur_blocks, &key, &blob, MDB_APPEND);
if (result) if (result)
throw0(DB_ERROR(lmdb_error("Failed to add block blob to db transaction: ", result).c_str())); throw0(DB_ERROR(lmdb_error("Failed to add block blob to db transaction: ", result).c_str()));
MDB_val_copy<size_t> sz(block_size); mdb_block_info bi;
result = mdb_cursor_put(m_cur_block_sizes, &key, &sz, MDB_APPEND); bi.bi_timestamp = blk.timestamp;
if (result) bi.bi_coins = coins_generated;
throw0(DB_ERROR(lmdb_error("Failed to add block size to db transaction: ", result).c_str())); bi.bi_size = block_size;
bi.bi_diff = cumulative_difficulty;
bi.bi_hash = blk_hash;
MDB_val_copy<uint64_t> ts(blk.timestamp); MDB_val val;
result = mdb_cursor_put(m_cur_block_timestamps, &key, &ts, MDB_APPEND); val.mv_data = (void *)&bi;
val.mv_size = sizeof(bi);
result = mdb_cursor_put(m_cur_block_info, &key, &val, MDB_APPEND);
if (result) if (result)
throw0(DB_ERROR(lmdb_error("Failed to add block timestamp to db transaction: ", result).c_str())); throw0(DB_ERROR(lmdb_error("Failed to add block info to db transaction: ", result).c_str()));
MDB_val_copy<difficulty_type> diff(cumulative_difficulty);
result = mdb_cursor_put(m_cur_block_diffs, &key, &diff, MDB_APPEND);
if (result)
throw0(DB_ERROR(lmdb_error("Failed to add block cumulative difficulty to db transaction: ", result).c_str()));
MDB_val_copy<uint64_t> coinsgen(coins_generated);
result = mdb_cursor_put(m_cur_block_coins, &key, &coinsgen, MDB_APPEND);
if (result)
throw0(DB_ERROR(lmdb_error("Failed to add block total generated coins to db transaction: ", result).c_str()));
result = mdb_cursor_put(m_cur_block_heights, &val_h, &key, 0); result = mdb_cursor_put(m_cur_block_heights, &val_h, &key, 0);
if (result) if (result)
throw0(DB_ERROR(lmdb_error("Failed to add block height by hash to db transaction: ", result).c_str())); throw0(DB_ERROR(lmdb_error("Failed to add block height by hash to db transaction: ", result).c_str()));
result = mdb_cursor_put(m_cur_block_hashes, &key, &val_h, MDB_APPEND);
if (result)
throw0(DB_ERROR(lmdb_error("Failed to add block hash to db transaction: ", result).c_str()));
m_cum_size += block_size; m_cum_size += block_size;
m_cum_count++; m_cum_count++;
} }
@ -601,31 +594,25 @@ void BlockchainLMDB::remove_block()
if (m_height == 0) if (m_height == 0)
throw0(BLOCK_DNE ("Attempting to remove block from an empty blockchain")); throw0(BLOCK_DNE ("Attempting to remove block from an empty blockchain"));
mdb_txn_cursors *m_cursors = &m_wcursors;
CURSOR(block_info)
MDB_val_copy<uint64_t> k(m_height - 1); MDB_val_copy<uint64_t> k(m_height - 1);
MDB_val h; MDB_val h;
if (mdb_get(*m_write_txn, m_block_hashes, &k, &h)) if (mdb_cursor_get(m_cur_block_info, &k, &h, MDB_SET))
throw1(BLOCK_DNE("Attempting to remove block that's not in the db")); throw1(BLOCK_DNE("Attempting to remove block that's not in the db"));
// must use h now; deleting from m_block_info will invalidate it
mdb_block_info *bi = (mdb_block_info *)h.mv_data;
h.mv_data = &bi->bi_hash;
h.mv_size = sizeof(bi->bi_hash);
if (mdb_del(*m_write_txn, m_block_heights, &h, NULL))
throw1(DB_ERROR("Failed to add removal of block height by hash to db transaction"));
if (mdb_del(*m_write_txn, m_blocks, &k, NULL)) if (mdb_del(*m_write_txn, m_blocks, &k, NULL))
throw1(DB_ERROR("Failed to add removal of block to db transaction")); throw1(DB_ERROR("Failed to add removal of block to db transaction"));
if (mdb_del(*m_write_txn, m_block_sizes, &k, NULL)) if (mdb_cursor_del(m_cur_block_info, 0))
throw1(DB_ERROR("Failed to add removal of block size to db transaction")); throw1(DB_ERROR("Failed to add removal of block info to db transaction"));
if (mdb_del(*m_write_txn, m_block_diffs, &k, NULL))
throw1(DB_ERROR("Failed to add removal of block cumulative difficulty to db transaction"));
if (mdb_del(*m_write_txn, m_block_coins, &k, NULL))
throw1(DB_ERROR("Failed to add removal of block total generated coins to db transaction"));
if (mdb_del(*m_write_txn, m_block_timestamps, &k, NULL))
throw1(DB_ERROR("Failed to add removal of block timestamp to db transaction"));
if (mdb_del(*m_write_txn, m_block_heights, &h, NULL))
throw1(DB_ERROR("Failed to add removal of block height by hash to db transaction"));
if (mdb_del(*m_write_txn, m_block_hashes, &k, NULL))
throw1(DB_ERROR("Failed to add removal of block hash to db transaction"));
} }
void BlockchainLMDB::add_transaction_data(const crypto::hash& blk_hash, const transaction& tx, const crypto::hash& tx_hash) void BlockchainLMDB::add_transaction_data(const crypto::hash& blk_hash, const transaction& tx, const crypto::hash& tx_hash)
@ -1082,12 +1069,8 @@ void BlockchainLMDB::open(const std::string& filename, const int mdb_flags)
// uses macros to avoid having to change things too many places // uses macros to avoid having to change things too many places
lmdb_db_open(txn, LMDB_BLOCKS, MDB_INTEGERKEY | MDB_CREATE, m_blocks, "Failed to open db handle for m_blocks"); lmdb_db_open(txn, LMDB_BLOCKS, MDB_INTEGERKEY | MDB_CREATE, m_blocks, "Failed to open db handle for m_blocks");
lmdb_db_open(txn, LMDB_BLOCK_TIMESTAMPS, MDB_INTEGERKEY | MDB_CREATE, m_block_timestamps, "Failed to open db handle for m_block_timestamps"); lmdb_db_open(txn, LMDB_BLOCK_INFO, MDB_INTEGERKEY | MDB_CREATE, m_block_info, "Failed to open db handle for m_block_info");
lmdb_db_open(txn, LMDB_BLOCK_HEIGHTS, MDB_CREATE, m_block_heights, "Failed to open db handle for m_block_heights"); lmdb_db_open(txn, LMDB_BLOCK_HEIGHTS, MDB_CREATE, m_block_heights, "Failed to open db handle for m_block_heights");
lmdb_db_open(txn, LMDB_BLOCK_HASHES, MDB_INTEGERKEY | MDB_CREATE, m_block_hashes, "Failed to open db handle for m_block_hashes");
lmdb_db_open(txn, LMDB_BLOCK_SIZES, MDB_INTEGERKEY | MDB_CREATE, m_block_sizes, "Failed to open db handle for m_block_sizes");
lmdb_db_open(txn, LMDB_BLOCK_DIFFS, MDB_INTEGERKEY | MDB_CREATE, m_block_diffs, "Failed to open db handle for m_block_diffs");
lmdb_db_open(txn, LMDB_BLOCK_COINS, MDB_INTEGERKEY | MDB_CREATE, m_block_coins, "Failed to open db handle for m_block_coins");
lmdb_db_open(txn, LMDB_TXS, MDB_CREATE, m_txs, "Failed to open db handle for m_txs"); lmdb_db_open(txn, LMDB_TXS, MDB_CREATE, m_txs, "Failed to open db handle for m_txs");
lmdb_db_open(txn, LMDB_TX_UNLOCKS, MDB_CREATE, m_tx_unlocks, "Failed to open db handle for m_tx_unlocks"); lmdb_db_open(txn, LMDB_TX_UNLOCKS, MDB_CREATE, m_tx_unlocks, "Failed to open db handle for m_tx_unlocks");
@ -1249,12 +1232,8 @@ void BlockchainLMDB::reset()
if (mdb_txn_begin(m_env, NULL, 0, txn)) if (mdb_txn_begin(m_env, NULL, 0, txn))
throw0(DB_ERROR("Failed to create a transaction for the db")); throw0(DB_ERROR("Failed to create a transaction for the db"));
mdb_drop(txn, m_blocks, 0); mdb_drop(txn, m_blocks, 0);
mdb_drop(txn, m_block_timestamps, 0); mdb_drop(txn, m_block_info, 0);
mdb_drop(txn, m_block_heights, 0); mdb_drop(txn, m_block_heights, 0);
mdb_drop(txn, m_block_hashes, 0);
mdb_drop(txn, m_block_sizes, 0);
mdb_drop(txn, m_block_diffs, 0);
mdb_drop(txn, m_block_coins, 0);
mdb_drop(txn, m_txs, 0); mdb_drop(txn, m_txs, 0);
mdb_drop(txn, m_tx_unlocks, 0); mdb_drop(txn, m_tx_unlocks, 0);
mdb_drop(txn, m_tx_heights, 0); mdb_drop(txn, m_tx_heights, 0);
@ -1462,11 +1441,11 @@ uint64_t BlockchainLMDB::get_block_timestamp(const uint64_t& height) const
TXN_PREFIX_RDONLY(); TXN_PREFIX_RDONLY();
const mdb_txn_cursors *m_cursors = m_write_txn ? &m_wcursors : &m_tinfo->m_ti_rcursors; const mdb_txn_cursors *m_cursors = m_write_txn ? &m_wcursors : &m_tinfo->m_ti_rcursors;
RCURSOR(block_timestamps); RCURSOR(block_info);
MDB_val_copy<uint64_t> key(height); MDB_val_copy<uint64_t> key(height);
MDB_val result; MDB_val result;
auto get_result = mdb_cursor_get(m_cur_block_timestamps, &key, &result, MDB_SET); auto get_result = mdb_cursor_get(m_cur_block_info, &key, &result, MDB_SET);
if (get_result == MDB_NOTFOUND) if (get_result == MDB_NOTFOUND)
{ {
throw0(BLOCK_DNE(std::string("Attempt to get timestamp from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- timestamp not in db").c_str())); throw0(BLOCK_DNE(std::string("Attempt to get timestamp from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- timestamp not in db").c_str()));
@ -1474,7 +1453,8 @@ uint64_t BlockchainLMDB::get_block_timestamp(const uint64_t& height) const
else if (get_result) else if (get_result)
throw0(DB_ERROR("Error attempting to retrieve a timestamp from the db")); throw0(DB_ERROR("Error attempting to retrieve a timestamp from the db"));
uint64_t ret = *(const uint64_t *)result.mv_data; mdb_block_info *bi = (mdb_block_info *)result.mv_data;
uint64_t ret = bi->bi_timestamp;
TXN_POSTFIX_RDONLY(); TXN_POSTFIX_RDONLY();
return ret; return ret;
} }
@ -1500,11 +1480,11 @@ size_t BlockchainLMDB::get_block_size(const uint64_t& height) const
TXN_PREFIX_RDONLY(); TXN_PREFIX_RDONLY();
const mdb_txn_cursors *m_cursors = m_write_txn ? &m_wcursors : &m_tinfo->m_ti_rcursors; const mdb_txn_cursors *m_cursors = m_write_txn ? &m_wcursors : &m_tinfo->m_ti_rcursors;
RCURSOR(block_sizes); RCURSOR(block_info);
MDB_val_copy<uint64_t> key(height); MDB_val_copy<uint64_t> key(height);
MDB_val result; MDB_val result;
auto get_result = mdb_cursor_get(m_cur_block_sizes, &key, &result, MDB_SET); auto get_result = mdb_cursor_get(m_cur_block_info, &key, &result, MDB_SET);
if (get_result == MDB_NOTFOUND) if (get_result == MDB_NOTFOUND)
{ {
throw0(BLOCK_DNE(std::string("Attempt to get block size from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- block size not in db").c_str())); throw0(BLOCK_DNE(std::string("Attempt to get block size from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- block size not in db").c_str()));
@ -1512,7 +1492,8 @@ size_t BlockchainLMDB::get_block_size(const uint64_t& height) const
else if (get_result) else if (get_result)
throw0(DB_ERROR("Error attempting to retrieve a block size from the db")); throw0(DB_ERROR("Error attempting to retrieve a block size from the db"));
size_t ret = *(const size_t *)result.mv_data; mdb_block_info *bi = (mdb_block_info *)result.mv_data;
size_t ret = bi->bi_size;
TXN_POSTFIX_RDONLY(); TXN_POSTFIX_RDONLY();
return ret; return ret;
} }
@ -1524,11 +1505,11 @@ difficulty_type BlockchainLMDB::get_block_cumulative_difficulty(const uint64_t&
TXN_PREFIX_RDONLY(); TXN_PREFIX_RDONLY();
const mdb_txn_cursors *m_cursors = m_write_txn ? &m_wcursors : &m_tinfo->m_ti_rcursors; const mdb_txn_cursors *m_cursors = m_write_txn ? &m_wcursors : &m_tinfo->m_ti_rcursors;
RCURSOR(block_diffs); RCURSOR(block_info);
MDB_val_copy<uint64_t> key(height); MDB_val_copy<uint64_t> key(height);
MDB_val result; MDB_val result;
auto get_result = mdb_cursor_get(m_cur_block_diffs, &key, &result, MDB_SET); auto get_result = mdb_cursor_get(m_cur_block_info, &key, &result, MDB_SET);
if (get_result == MDB_NOTFOUND) if (get_result == MDB_NOTFOUND)
{ {
throw0(BLOCK_DNE(std::string("Attempt to get cumulative difficulty from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- difficulty not in db").c_str())); throw0(BLOCK_DNE(std::string("Attempt to get cumulative difficulty from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- difficulty not in db").c_str()));
@ -1536,7 +1517,8 @@ difficulty_type BlockchainLMDB::get_block_cumulative_difficulty(const uint64_t&
else if (get_result) else if (get_result)
throw0(DB_ERROR("Error attempting to retrieve a cumulative difficulty from the db")); throw0(DB_ERROR("Error attempting to retrieve a cumulative difficulty from the db"));
difficulty_type ret = *(const difficulty_type*)result.mv_data; mdb_block_info *bi = (mdb_block_info *)result.mv_data;
difficulty_type ret = bi->bi_diff;
TXN_POSTFIX_RDONLY(); TXN_POSTFIX_RDONLY();
return ret; return ret;
} }
@ -1565,11 +1547,11 @@ uint64_t BlockchainLMDB::get_block_already_generated_coins(const uint64_t& heigh
TXN_PREFIX_RDONLY(); TXN_PREFIX_RDONLY();
const mdb_txn_cursors *m_cursors = m_write_txn ? &m_wcursors : &m_tinfo->m_ti_rcursors; const mdb_txn_cursors *m_cursors = m_write_txn ? &m_wcursors : &m_tinfo->m_ti_rcursors;
RCURSOR(block_coins); RCURSOR(block_info);
MDB_val_copy<uint64_t> key(height); MDB_val_copy<uint64_t> key(height);
MDB_val result; MDB_val result;
auto get_result = mdb_cursor_get(m_cur_block_coins, &key, &result, MDB_SET); auto get_result = mdb_cursor_get(m_cur_block_info, &key, &result, MDB_SET);
if (get_result == MDB_NOTFOUND) if (get_result == MDB_NOTFOUND)
{ {
throw0(BLOCK_DNE(std::string("Attempt to get generated coins from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- block size not in db").c_str())); throw0(BLOCK_DNE(std::string("Attempt to get generated coins from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- block size not in db").c_str()));
@ -1577,7 +1559,8 @@ uint64_t BlockchainLMDB::get_block_already_generated_coins(const uint64_t& heigh
else if (get_result) else if (get_result)
throw0(DB_ERROR("Error attempting to retrieve a total generated coins from the db")); throw0(DB_ERROR("Error attempting to retrieve a total generated coins from the db"));
uint64_t ret = *(const uint64_t*)result.mv_data; mdb_block_info *bi = (mdb_block_info *)result.mv_data;
uint64_t ret = bi->bi_coins;
TXN_POSTFIX_RDONLY(); TXN_POSTFIX_RDONLY();
return ret; return ret;
} }
@ -1589,11 +1572,11 @@ crypto::hash BlockchainLMDB::get_block_hash_from_height(const uint64_t& height)
TXN_PREFIX_RDONLY(); TXN_PREFIX_RDONLY();
const mdb_txn_cursors *m_cursors = m_write_txn ? &m_wcursors : &m_tinfo->m_ti_rcursors; const mdb_txn_cursors *m_cursors = m_write_txn ? &m_wcursors : &m_tinfo->m_ti_rcursors;
RCURSOR(block_hashes); RCURSOR(block_info);
MDB_val_copy<uint64_t> key(height); MDB_val_copy<uint64_t> key(height);
MDB_val result; MDB_val result;
auto get_result = mdb_cursor_get(m_cur_block_hashes, &key, &result, MDB_SET); auto get_result = mdb_cursor_get(m_cur_block_info, &key, &result, MDB_SET);
if (get_result == MDB_NOTFOUND) if (get_result == MDB_NOTFOUND)
{ {
throw0(BLOCK_DNE(std::string("Attempt to get hash from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- hash not in db").c_str())); throw0(BLOCK_DNE(std::string("Attempt to get hash from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- hash not in db").c_str()));
@ -1601,7 +1584,8 @@ crypto::hash BlockchainLMDB::get_block_hash_from_height(const uint64_t& height)
else if (get_result) else if (get_result)
throw0(DB_ERROR(lmdb_error("Error attempting to retrieve a block hash from the db: ", get_result).c_str())); throw0(DB_ERROR(lmdb_error("Error attempting to retrieve a block hash from the db: ", get_result).c_str()));
crypto::hash ret = *(const crypto::hash*)result.mv_data; mdb_block_info *bi = (mdb_block_info *)result.mv_data;
crypto::hash ret = bi->bi_hash;
TXN_POSTFIX_RDONLY(); TXN_POSTFIX_RDONLY();
return ret; return ret;
} }

24
src/blockchain_db/lmdb/db_lmdb.h
View File

@ -43,11 +43,7 @@ typedef struct mdb_txn_cursors
{ {
MDB_cursor *m_txc_blocks; MDB_cursor *m_txc_blocks;
MDB_cursor *m_txc_block_heights; MDB_cursor *m_txc_block_heights;
MDB_cursor *m_txc_block_hashes; MDB_cursor *m_txc_block_info;
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_txs;
MDB_cursor *m_txc_output_indices; MDB_cursor *m_txc_output_indices;
@ -66,11 +62,7 @@ typedef struct mdb_txn_cursors
#define m_cur_blocks m_cursors->m_txc_blocks #define m_cur_blocks m_cursors->m_txc_blocks
#define m_cur_block_heights m_cursors->m_txc_block_heights #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_info m_cursors->m_txc_block_info
#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_txs m_cursors->m_txc_output_txs
#define m_cur_output_indices m_cursors->m_txc_output_indices #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_amounts m_cursors->m_txc_output_amounts
@ -87,11 +79,7 @@ typedef struct mdb_rflags
bool m_rf_txn; bool m_rf_txn;
bool m_rf_blocks; bool m_rf_blocks;
bool m_rf_block_heights; bool m_rf_block_heights;
bool m_rf_block_hashes; bool m_rf_block_info;
bool m_rf_block_timestamps;
bool m_rf_block_sizes;
bool m_rf_block_diffs;
bool m_rf_block_coins;
bool m_rf_output_txs; bool m_rf_output_txs;
bool m_rf_output_indices; bool m_rf_output_indices;
bool m_rf_output_amounts; bool m_rf_output_amounts;
@ -372,11 +360,7 @@ private:
MDB_dbi m_blocks; MDB_dbi m_blocks;
MDB_dbi m_block_heights; MDB_dbi m_block_heights;
MDB_dbi m_block_hashes; MDB_dbi m_block_info;
MDB_dbi m_block_timestamps;
MDB_dbi m_block_sizes;
MDB_dbi m_block_diffs;
MDB_dbi m_block_coins;
MDB_dbi m_txs; MDB_dbi m_txs;
MDB_dbi m_tx_unlocks; MDB_dbi m_tx_unlocks;