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BerkeleyDB implementation of BlockchainDB seems to be working!

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This commit is contained in:
Thomas Winget 2015-03-17 22:12:09 -04:00
parent 8e3347f310
commit ead7fad552
No known key found for this signature in database
GPG Key ID: 58131A160789E630
2 changed files with 20 additions and 20 deletions
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34
src/blockchain_db/berkeleydb/db_bdb.cpp
View File

@ -185,7 +185,7 @@ void BlockchainBDB::add_block( const block& blk
if (m_block_heights->exists(*m_write_txn, &val_h, 0) == 0) if (m_block_heights->exists(*m_write_txn, &val_h, 0) == 0)
throw1(BLOCK_EXISTS("Attempting to add block that's already in the db")); throw1(BLOCK_EXISTS("Attempting to add block that's already in the db"));
if (m_height > 1) if (m_height > 0)
{ {
Dbt_copy<crypto::hash> parent_key(blk.prev_id); Dbt_copy<crypto::hash> parent_key(blk.prev_id);
Dbt_copy<uint32_t> parent_h; Dbt_copy<uint32_t> parent_h;
@ -196,11 +196,11 @@ void BlockchainBDB::add_block( const block& blk
throw0(DB_ERROR("Failed to get top block hash to check for new block's parent")); throw0(DB_ERROR("Failed to get top block hash to check for new block's parent"));
} }
uint32_t parent_height = parent_h; uint32_t parent_height = parent_h;
if (parent_height != m_height - 1) if (parent_height != m_height)
throw0(BLOCK_PARENT_DNE("Top block is not new block's parent")); throw0(BLOCK_PARENT_DNE("Top block is not new block's parent"));
} }
Dbt_copy<uint32_t> key(m_height); Dbt_copy<uint32_t> key(m_height + 1);
Dbt_copy<blobdata> blob(block_to_blob(blk)); Dbt_copy<blobdata> blob(block_to_blob(blk));
auto res = m_blocks->put(*m_write_txn, &key, &blob, 0); auto res = m_blocks->put(*m_write_txn, &key, &blob, 0);
@ -235,10 +235,10 @@ void BlockchainBDB::remove_block()
LOG_PRINT_L3("BlockchainBDB::" << __func__); LOG_PRINT_L3("BlockchainBDB::" << __func__);
check_open(); check_open();
if (m_height <= 1) 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"));
Dbt_copy<uint32_t> k(m_height - 1); Dbt_copy<uint32_t> k(m_height);
Dbt_copy<crypto::hash> h; Dbt_copy<crypto::hash> h;
if (m_block_hashes->get(*m_write_txn, &k, &h, 0)) if (m_block_hashes->get(*m_write_txn, &k, &h, 0))
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"));
@ -279,7 +279,7 @@ void BlockchainBDB::add_transaction_data(const crypto::hash& blk_hash, const tra
if (m_txs->put(*m_write_txn, &val_h, &blob, 0)) if (m_txs->put(*m_write_txn, &val_h, &blob, 0))
throw0(DB_ERROR("Failed to add tx blob to db transaction")); throw0(DB_ERROR("Failed to add tx blob to db transaction"));
Dbt_copy<uint32_t> height(m_height); Dbt_copy<uint64_t> height(m_height + 1);
if (m_tx_heights->put(*m_write_txn, &val_h, &height, 0)) if (m_tx_heights->put(*m_write_txn, &val_h, &height, 0))
throw0(DB_ERROR("Failed to add tx block height to db transaction")); throw0(DB_ERROR("Failed to add tx block height to db transaction"));
@ -316,7 +316,7 @@ void BlockchainBDB::add_output(const crypto::hash& tx_hash, const tx_out& tx_out
LOG_PRINT_L3("BlockchainBDB::" << __func__); LOG_PRINT_L3("BlockchainBDB::" << __func__);
check_open(); check_open();
Dbt_copy<uint32_t> k(m_num_outputs); Dbt_copy<uint32_t> k(m_num_outputs + 1);
Dbt_copy<crypto::hash> v(tx_hash); Dbt_copy<crypto::hash> v(tx_hash);
if (m_output_txs->put(*m_write_txn, &k, &v, 0)) if (m_output_txs->put(*m_write_txn, &k, &v, 0))
@ -592,10 +592,10 @@ BlockchainBDB::BlockchainBDB(bool batch_transactions)
m_batch_transactions = batch_transactions; m_batch_transactions = batch_transactions;
m_write_txn = nullptr; m_write_txn = nullptr;
m_height = 1; m_height = 0;
} }
void BlockchainBDB::open(const std::string& filename) void BlockchainBDB::open(const std::string& filename, const int db_flags)
{ {
LOG_PRINT_L3("BlockchainBDB::" << __func__); LOG_PRINT_L3("BlockchainBDB::" << __func__);
@ -706,12 +706,12 @@ void BlockchainBDB::open(const std::string& filename)
// to be returned. The flag should be set to 0 instead if this proves // to be returned. The flag should be set to 0 instead if this proves
// to be the case. // to be the case.
m_blocks->stat(txn, &stats, DB_FAST_STAT); m_blocks->stat(txn, &stats, DB_FAST_STAT);
m_height = stats->bt_nkeys + 1; m_height = stats->bt_nkeys;
delete stats; delete stats;
// see above comment about DB_FAST_STAT // see above comment about DB_FAST_STAT
m_output_indices->stat(txn, &stats, DB_FAST_STAT); m_output_indices->stat(txn, &stats, DB_FAST_STAT);
m_num_outputs = stats->bt_nkeys + 1; m_num_outputs = stats->bt_nkeys;
delete stats; delete stats;
txn.commit(); txn.commit();
@ -1000,7 +1000,7 @@ uint64_t BlockchainBDB::get_top_block_timestamp() const
check_open(); check_open();
// if no blocks, return 0 // if no blocks, return 0
if (m_height <= 0) if (m_height == 0)
{ {
return 0; return 0;
} }
@ -1149,7 +1149,7 @@ crypto::hash BlockchainBDB::top_block_hash() const
{ {
LOG_PRINT_L3("BlockchainBDB::" << __func__); LOG_PRINT_L3("BlockchainBDB::" << __func__);
check_open(); check_open();
if (m_height != 0) if (m_height > 0)
{ {
return get_block_hash_from_height(m_height - 1); return get_block_hash_from_height(m_height - 1);
} }
@ -1162,7 +1162,7 @@ block BlockchainBDB::get_top_block() const
LOG_PRINT_L3("BlockchainBDB::" << __func__); LOG_PRINT_L3("BlockchainBDB::" << __func__);
check_open(); check_open();
if (m_height != 0) if (m_height > 0)
{ {
return get_block_from_height(m_height - 1); return get_block_from_height(m_height - 1);
} }
@ -1176,7 +1176,7 @@ uint64_t BlockchainBDB::height() const
LOG_PRINT_L3("BlockchainBDB::" << __func__); LOG_PRINT_L3("BlockchainBDB::" << __func__);
check_open(); check_open();
return m_height - 1; return m_height;
} }
bool BlockchainBDB::tx_exists(const crypto::hash& h) const bool BlockchainBDB::tx_exists(const crypto::hash& h) const
@ -1662,9 +1662,7 @@ uint64_t BlockchainBDB::add_block( const block& blk
throw; throw;
} }
m_height++; return ++m_height;
return m_height - 1;
} }
void BlockchainBDB::pop_block(block& blk, std::vector<transaction>& txs) void BlockchainBDB::pop_block(block& blk, std::vector<transaction>& txs)

4
src/blockchain_db/berkeleydb/db_bdb.h
View File

@ -39,6 +39,8 @@ struct bdb_txn_safe
~bdb_txn_safe() ~bdb_txn_safe()
{ {
LOG_PRINT_L3("bdb_txn_safe: destructor"); LOG_PRINT_L3("bdb_txn_safe: destructor");
if (m_txn != NULL)
abort(); abort();
} }
@ -91,7 +93,7 @@ public:
BlockchainBDB(bool batch_transactions=false); BlockchainBDB(bool batch_transactions=false);
~BlockchainBDB(); ~BlockchainBDB();
virtual void open(const std::string& filename); virtual void open(const std::string& filename, const int db_flags);
virtual void create(const std::string& filename); virtual void create(const std::string& filename);