Another take on migration
Delete old indices and recreate them, rather than updating them Maybe not quite as slow as before.
This commit is contained in:
Howard Chu
parent
66b1e13aa7
commit
2b0fa05f0d
@ -462,18 +462,6 @@ private:
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*/
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void pop_block();
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/**
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* @brief helper function for add_transactions, to add each individual transaction
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*
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* This function is called by add_transactions() for each transaction to be
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* added.
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*
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* @param blk_hash hash of the block which has the transaction
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* @param tx the transaction to add
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* @param tx_hash_ptr the hash of the transaction, if already calculated
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*/
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void add_transaction(const crypto::hash& blk_hash, const transaction& tx, const crypto::hash* tx_hash_ptr = NULL);
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// helper function to remove transaction from blockchain
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/**
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* @brief helper function to remove transaction from the blockchain
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@ -492,6 +480,18 @@ private:
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protected:
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/**
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* @brief helper function for add_transactions, to add each individual transaction
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*
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* This function is called by add_transactions() for each transaction to be
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* added.
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*
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* @param blk_hash hash of the block which has the transaction
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* @param tx the transaction to add
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* @param tx_hash_ptr the hash of the transaction, if already calculated
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*/
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void add_transaction(const crypto::hash& blk_hash, const transaction& tx, const crypto::hash* tx_hash_ptr = NULL);
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mutable uint64_t time_tx_exists = 0; //!< a performance metric
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uint64_t time_commit1 = 0; //!< a performance metric
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bool m_auto_remove_logs = true; //!< whether or not to automatically remove old logs
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@ -1142,8 +1142,8 @@ void BlockchainLMDB::open(const std::string& filename, const int mdb_flags)
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// See commit e5d2680094ee15889934fe28901e4e133cda56f2 2015/07/10
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// We don't handle the old format previous to that commit.
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txn.commit();
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migrate(*(const uint32_t *)v.mv_data);
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m_open = true;
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migrate(*(const uint32_t *)v.mv_data);
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return;
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}
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#endif
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@ -2777,13 +2777,6 @@ void BlockchainLMDB::fixup()
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BlockchainDB::fixup();
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}
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static int compare_amtidx(const MDB_val *a, const MDB_val *b)
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{
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const uint64_t *pa = (const uint64_t *)a->mv_data;
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const uint64_t *pb = (const uint64_t *)b->mv_data;
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return (pa[0] < pb[1]) ? -1 : pa[0] > pb[1];
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}
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#define RENAME_DB(name) \
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k.mv_data = (void *)name; \
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k.mv_size = sizeof(name)-1; \
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@ -3125,395 +3118,63 @@ void BlockchainLMDB::migrate_0_1()
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txn.commit();
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} while(0);
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LOG_PRINT_L0("Total number of outputs: " << m_num_outputs);
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LOG_PRINT_L1("outputs migration will update output_amounts and output_txs...");
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do {
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LOG_PRINT_L1("migrating output_amounts:");
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LOG_PRINT_L1("deleting old indices:");
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MDB_dbi keys;
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/* Delete all other tables, we're just going to recreate them */
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MDB_dbi dbi;
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result = mdb_txn_begin(m_env, NULL, 0, txn);
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if (result)
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throw0(DB_ERROR(lmdb_error("Failed to create a transaction for the db: ", result).c_str()));
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result = mdb_dbi_open(txn, "output_keys", 0, &keys);
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result = mdb_dbi_open(txn, "tx_unlocks", 0, &dbi);
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if (result == MDB_NOTFOUND) {
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txn.abort();
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LOG_PRINT_L1(" output_amounts already migrated");
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break;
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}
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MDB_dbi o_amts;
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outkey ok;
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MDB_val_set(nv, ok);
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/* the output_amounts table name is the same but the old version and new version
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* have incompatible DB flags. Create a new table with the right flags.
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*/
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o_amts = m_output_amounts;
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lmdb_db_open(txn, "output_amountr", MDB_INTEGERKEY | MDB_CREATE | MDB_DUPSORT | MDB_DUPFIXED, m_output_amounts, "Failed to open db handle for output_amountr");
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mdb_set_dupsort(txn, m_output_amounts, compare_uint64);
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MDB_cursor *c_oamts, *c_keys, *c_cur;
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i = 0;
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z = m_num_outputs;
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uint64_t j;
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mdb_size_t num_elems;
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MDB_val v2;
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while(1) {
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if (!(i % 1000)) {
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if (i) {
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LOGIF(1) {
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std::cout << i << " / " << z << " \r" << std::flush;
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}
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txn.commit();
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result = mdb_txn_begin(m_env, NULL, 0, txn);
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if (result)
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throw0(DB_ERROR(lmdb_error("Failed to create a transaction for the db: ", result).c_str()));
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}
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result = mdb_cursor_open(txn, m_output_amounts, &c_cur);
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if (result)
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throw0(DB_ERROR(lmdb_error("Failed to open a cursor for output_amountr: ", result).c_str()));
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result = mdb_cursor_open(txn, o_amts, &c_oamts);
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if (result)
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throw0(DB_ERROR(lmdb_error("Failed to open a cursor for output_amounts: ", result).c_str()));
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result = mdb_cursor_open(txn, keys, &c_keys);
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if (result)
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throw0(DB_ERROR(lmdb_error("Failed to open a cursor for output_keys: ", result).c_str()));
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if (!i) {
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MDB_stat ms;
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mdb_stat(txn, m_output_amounts, &ms);
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i = ms.ms_entries;
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}
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}
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result = mdb_cursor_get(c_oamts, &k, &v, MDB_FIRST);
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if (result == MDB_NOTFOUND) {
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txn.commit();
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txn.abort();
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LOG_PRINT_L1(" old indices already deleted");
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break;
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} else if (result)
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throw0(DB_ERROR(lmdb_error("Failed to get a record from output_amounts: ", result).c_str()));
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result = mdb_cursor_count(c_oamts, &num_elems);
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if (result)
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throw0(DB_ERROR(lmdb_error("Failed to get number of outputs for amount: ", result).c_str()));
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for (j=0; j<num_elems; j++,i++) {
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if (!(i % 1000)) {
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uint64_t amt = *(uint64_t *)k.mv_data;
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uint64_t oid = *(uint64_t *)v.mv_data;
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LOGIF(1) {
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std::cout << i << " / " << z << " \r" << std::flush;
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}
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txn.commit();
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result = mdb_txn_begin(m_env, NULL, 0, txn);
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if (result)
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throw0(DB_ERROR(lmdb_error("Failed to create a transaction for the db: ", result).c_str()));
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result = mdb_cursor_open(txn, m_output_amounts, &c_cur);
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if (result)
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throw0(DB_ERROR(lmdb_error("Failed to open a cursor for output_amountr: ", result).c_str()));
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result = mdb_cursor_open(txn, o_amts, &c_oamts);
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if (result)
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throw0(DB_ERROR(lmdb_error("Failed to open a cursor for output_amounts: ", result).c_str()));
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result = mdb_cursor_open(txn, keys, &c_keys);
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if (result)
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throw0(DB_ERROR(lmdb_error("Failed to open a cursor for output_keys: ", result).c_str()));
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k.mv_data = (void *)&amt;
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v.mv_data = (void *)&oid;
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result = mdb_cursor_get(c_oamts, &k, &v, MDB_GET_BOTH);
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/* should never fail since we already had this record before the commit */
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if (result)
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throw0(DB_ERROR(lmdb_error("Failed to get a record from output_amounts: ", result).c_str()));
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}
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result = mdb_cursor_get(c_keys, &v, &v2, MDB_SET);
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if (result)
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throw0(DB_ERROR(lmdb_error("Failed to get output_key for amount: ", result).c_str()));
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ok.amount_index = j;
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ok.output_id = *(uint64_t *)v.mv_data;
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ok.data = *(output_data_t *)v2.mv_data;
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result = mdb_cursor_put(c_cur, &k, &nv, MDB_APPENDDUP);
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if (result)
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throw0(DB_ERROR(lmdb_error("Failed to put a record into output_amountr: ", result).c_str()));
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result = mdb_cursor_del(c_keys, 0);
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if (result)
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throw0(DB_ERROR(lmdb_error("Failed to delete a record from output_keys: ", result).c_str()));
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result = mdb_cursor_get(c_oamts, &k, &v, MDB_NEXT_DUP);
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if (result == MDB_NOTFOUND)
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break;
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else if (result)
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throw0(DB_ERROR(lmdb_error("Failed to get a record from output_amounts: ", result).c_str()));
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}
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result = mdb_cursor_del(c_oamts, MDB_NODUPDATA);
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if (result)
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throw0(DB_ERROR(lmdb_error("Failed to delete a record from output_amounts: ", result).c_str()));
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}
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txn.abort();
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#define DELETE_DB(x) do { \
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LOG_PRINT_L1(" " x ":"); \
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result = mdb_txn_begin(m_env, NULL, 0, txn); \
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if (result) \
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throw0(DB_ERROR(lmdb_error("Failed to create a transaction for the db: ", result).c_str())); \
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result = mdb_dbi_open(txn, x, 0, &dbi); \
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if (!result) { \
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result = mdb_drop(txn, dbi, 1); \
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if (result) \
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throw0(DB_ERROR(lmdb_error("Failed to delete " x ": ", result).c_str())); \
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txn.commit(); \
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} } while(0)
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DELETE_DB("tx_heights");
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DELETE_DB("output_txs");
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DELETE_DB("output_indices");
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DELETE_DB("output_keys");
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DELETE_DB("spent_keys");
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DELETE_DB("output_amounts");
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DELETE_DB("tx_outputs");
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DELETE_DB("tx_unlocks");
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/* reopen new DBs with correct flags */
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result = mdb_txn_begin(m_env, NULL, 0, txn);
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if (result)
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throw0(DB_ERROR(lmdb_error("Failed to create a transaction for the db: ", result).c_str()));
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result = mdb_drop(txn, keys, 1);
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if (result)
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throw0(DB_ERROR(lmdb_error("Failed to delete output_keys from the db: ", result).c_str()));
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result = mdb_drop(txn, o_amts, 1);
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if (result)
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throw0(DB_ERROR(lmdb_error("Failed to delete output_amounts from the db: ", result).c_str()));
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RENAME_DB("output_amountr");
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/* close and reopen to get old dbi slot back */
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mdb_dbi_close(m_env, m_output_amounts);
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lmdb_db_open(txn, "output_amounts", MDB_INTEGERKEY | MDB_DUPSORT | MDB_DUPFIXED, m_output_amounts, "Failed to open db handle for output_amounts");
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lmdb_db_open(txn, LMDB_OUTPUT_TXS, MDB_INTEGERKEY | MDB_CREATE | MDB_DUPSORT | MDB_DUPFIXED, m_output_txs, "Failed to open db handle for m_output_txs");
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mdb_set_dupsort(txn, m_output_txs, compare_uint64);
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lmdb_db_open(txn, LMDB_TX_OUTPUTS, MDB_INTEGERKEY | MDB_CREATE, m_tx_outputs, "Failed to open db handle for m_tx_outputs");
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lmdb_db_open(txn, LMDB_SPENT_KEYS, MDB_INTEGERKEY | MDB_CREATE | MDB_DUPSORT | MDB_DUPFIXED, m_spent_keys, "Failed to open db handle for m_spent_keys");
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mdb_set_dupsort(txn, m_spent_keys, compare_hash32);
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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");
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mdb_set_dupsort(txn, m_output_amounts, compare_uint64);
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txn.commit();
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m_num_txs = 0;
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m_num_outputs = 0;
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} while(0);
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do {
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LOG_PRINT_L1("migrating output_txs:");
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MDB_dbi indices;
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result = mdb_txn_begin(m_env, NULL, 0, txn);
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if (result)
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throw0(DB_ERROR(lmdb_error("Failed to create a transaction for the db: ", result).c_str()));
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result = mdb_dbi_open(txn, "output_indices", 0, &indices);
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if (result == MDB_NOTFOUND) {
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txn.abort();
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LOG_PRINT_L1(" output_txs already migrated");
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break;
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}
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MDB_dbi o_otxs;
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outtx ot;
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MDB_val_set(nv, ot);
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/* the output_txs table name is the same but the old version and new version
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* have incompatible DB flags. Create a new table with the right flags.
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*/
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o_otxs = m_output_txs;
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lmdb_db_open(txn, "output_txr", MDB_INTEGERKEY | MDB_CREATE | MDB_DUPSORT | MDB_DUPFIXED, m_output_txs, "Failed to open db handle for output_txr");
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mdb_set_dupsort(txn, m_output_txs, compare_uint64);
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MDB_cursor *c_otxs, *c_oixs, *c_cur;
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i = 0;
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z = m_num_outputs;
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while(1) {
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if (!(i % 2000)) {
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if (i) {
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LOGIF(1) {
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std::cout << i << " / " << z << " \r" << std::flush;
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}
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txn.commit();
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result = mdb_txn_begin(m_env, NULL, 0, txn);
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if (result)
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throw0(DB_ERROR(lmdb_error("Failed to create a transaction for the db: ", result).c_str()));
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}
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result = mdb_cursor_open(txn, m_output_txs, &c_cur);
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if (result)
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throw0(DB_ERROR(lmdb_error("Failed to open a cursor for output_txr: ", result).c_str()));
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result = mdb_cursor_open(txn, o_otxs, &c_otxs);
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if (result)
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throw0(DB_ERROR(lmdb_error("Failed to open a cursor for output_txs: ", result).c_str()));
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result = mdb_cursor_open(txn, indices, &c_oixs);
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if (result)
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throw0(DB_ERROR(lmdb_error("Failed to open a cursor for output_indices: ", result).c_str()));
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if (!i) {
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MDB_stat ms;
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mdb_stat(txn, m_output_txs, &ms);
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i = ms.ms_entries;
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}
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}
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result = mdb_cursor_get(c_otxs, &k, &v, MDB_NEXT);
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if (result == MDB_NOTFOUND) {
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txn.commit();
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break;
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} else if (result)
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throw0(DB_ERROR(lmdb_error("Failed to get a record from output_txs: ", result).c_str()));
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ot.output_id = *(uint64_t *)k.mv_data;
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ot.tx_hash = *(crypto::hash *)v.mv_data;
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result = mdb_cursor_get(c_oixs, &k, &v, MDB_NEXT);
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if (result)
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throw0(DB_ERROR(lmdb_error("Failed to get a record from output_indices: ", result).c_str()));
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ot.local_index = *(uint64_t *)v.mv_data;
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result = mdb_cursor_put(c_cur, (MDB_val *)&zerokval, &nv, MDB_APPENDDUP);
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if (result)
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throw0(DB_ERROR(lmdb_error("Failed to put a record into output_txr: ", result).c_str()));
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result = mdb_cursor_del(c_otxs, 0);
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if (result)
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throw0(DB_ERROR(lmdb_error("Failed to delete a record from output_txs: ", result).c_str()));
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result = mdb_cursor_del(c_oixs, 0);
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if (result)
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throw0(DB_ERROR(lmdb_error("Failed to delete a record from output_indices: ", result).c_str()));
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i++;
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}
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result = mdb_txn_begin(m_env, NULL, 0, txn);
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if (result)
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throw0(DB_ERROR(lmdb_error("Failed to create a transaction for the db: ", result).c_str()));
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result = mdb_drop(txn, indices, 1);
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if (result)
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throw0(DB_ERROR(lmdb_error("Failed to delete output_indices from the db: ", result).c_str()));
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result = mdb_drop(txn, o_otxs, 1);
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if (result)
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throw0(DB_ERROR(lmdb_error("Failed to delete output_txs from the db: ", result).c_str()));
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RENAME_DB("output_txr");
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mdb_dbi_close(m_env, m_output_txs);
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lmdb_db_open(txn, "output_txs", MDB_INTEGERKEY | MDB_DUPSORT | MDB_DUPFIXED, m_output_txs, "Failed to open db handle for output_txs");
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mdb_set_dupsort(txn, m_output_txs, compare_uint64);
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txn.commit();
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} while(0);
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LOG_PRINT_L0("Total number of txs: " << m_num_txs);
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LOG_PRINT_L1("txs migration will update tx_indices, tx_outputs, and txs...");
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do {
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LOG_PRINT_L1("migrating tx_indices:");
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/* The existing indices lack information that version 1 needs, so we just regenerate it
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* all from the original Blocks.
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*/
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MDB_dbi o_tx_unlocks;
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result = mdb_txn_begin(m_env, NULL, 0, txn);
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if (result)
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throw0(DB_ERROR(lmdb_error("Failed to create a transaction for the db: ", result).c_str()));
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result = mdb_dbi_open(txn, "tx_unlocks", 0, &o_tx_unlocks);
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if (result == MDB_NOTFOUND) {
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txn.abort();
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LOG_PRINT_L1(" tx_indices already migrated");
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break;
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}
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MDB_dbi o_tx_heights;
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MDB_cursor *c_cur, *c_blocks, *c_props;
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MDB_cursor *c_tx_unlocks, *c_tx_heights;
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lmdb_db_open(txn, "tx_heights", 0, o_tx_heights, "Failed to open db handle for tx_heights");
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txindex ti;
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MDB_val_set(iv, ti);
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unsigned int j;
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blobdata bd;
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block b;
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uint64_t num_txs = m_num_txs;
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i = 0;
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ti.data.block_id = 0;
|
||||
z = m_num_txs;
|
||||
|
||||
while(1) {
|
||||
if (!(ti.data.block_id % 1000)) {
|
||||
if (i) {
|
||||
LOGIF(1) {
|
||||
std::cout << i << " / " << z << " \r" << std::flush;
|
||||
}
|
||||
MDB_val_set(pk, "txblk");
|
||||
MDB_val_set(pv, ti.data.block_id);
|
||||
result = mdb_cursor_put(c_props, &pk, &pv, 0);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to update txblk property: ", result).c_str()));
|
||||
txn.commit();
|
||||
result = mdb_txn_begin(m_env, NULL, 0, txn);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to create a transaction for the db: ", result).c_str()));
|
||||
}
|
||||
result = mdb_cursor_open(txn, m_tx_indices, &c_cur);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to open a cursor for tx_indices: ", result).c_str()));
|
||||
result = mdb_cursor_open(txn, m_properties, &c_props);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to open a cursor for properties: ", result).c_str()));
|
||||
result = mdb_cursor_open(txn, o_tx_unlocks, &c_tx_unlocks);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to open a cursor for tx_unlocks: ", result).c_str()));
|
||||
result = mdb_cursor_open(txn, o_tx_heights, &c_tx_heights);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to open a cursor for tx_heights: ", result).c_str()));
|
||||
result = mdb_cursor_open(txn, m_blocks, &c_blocks);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to open a cursor for blocks: ", result).c_str()));
|
||||
|
||||
/* we don't care about the unlocks/heights content or cursor position.
|
||||
* we just delete 1 record from each whenever we add a record.
|
||||
*/
|
||||
mdb_cursor_get(c_tx_unlocks, &k, &v, MDB_FIRST);
|
||||
mdb_cursor_get(c_tx_heights, &k, &v, MDB_FIRST);
|
||||
|
||||
if (!i) {
|
||||
MDB_stat ms;
|
||||
mdb_stat(txn, m_tx_indices, &ms);
|
||||
i = ms.ms_entries;
|
||||
if (i) {
|
||||
/* remember the ID of the last block we migrated */
|
||||
MDB_val_set(pk, "txblk");
|
||||
result = mdb_cursor_get(c_props, &pk, &v, MDB_SET);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to get a record from tx_indices: ", result).c_str()));
|
||||
ti.data.block_id = *(uint64_t *)v.mv_data;
|
||||
}
|
||||
num_txs = i;
|
||||
}
|
||||
if (i) {
|
||||
k.mv_data = (void *)&ti.data.block_id;
|
||||
k.mv_size = sizeof(ti.data.block_id);
|
||||
result = mdb_cursor_get(c_blocks, &k, &v, MDB_SET);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to get a record from blocks: ", result).c_str()));
|
||||
}
|
||||
}
|
||||
result = mdb_cursor_get(c_blocks, &k, &v, MDB_NEXT);
|
||||
if (result == MDB_NOTFOUND) {
|
||||
MDB_val_set(pk, "txblk");
|
||||
mdb_cursor_get(c_props, &pk, &v, MDB_SET);
|
||||
mdb_cursor_del(c_props, 0);
|
||||
txn.commit();
|
||||
break;
|
||||
} else if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to get a record from blocks: ", result).c_str()));
|
||||
bd.assign(reinterpret_cast<char*>(v.mv_data), v.mv_size);
|
||||
if (!parse_and_validate_block_from_blob(bd, b))
|
||||
throw0(DB_ERROR("Failed to parse block from blob retrieved from the db"));
|
||||
|
||||
ti.key = get_transaction_hash(b.miner_tx);
|
||||
ti.data.tx_id = num_txs++;
|
||||
ti.data.block_id = *(uint64_t *)k.mv_data;
|
||||
ti.data.unlock_time = b.miner_tx.unlock_time;
|
||||
i++;
|
||||
|
||||
result = mdb_cursor_put(c_cur, (MDB_val *)&zerokval, &iv, 0);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to put a record into tx_indices: ", result).c_str()));
|
||||
|
||||
result = mdb_cursor_del(c_tx_unlocks, 0);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to delete a record from tx_unlocks: ", result).c_str()));
|
||||
result = mdb_cursor_del(c_tx_heights, 0);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to delete a record from tx_heights: ", result).c_str()));
|
||||
|
||||
for (j=0; j<b.tx_hashes.size(); j++) {
|
||||
ti.key = b.tx_hashes[j];
|
||||
ti.data.tx_id = num_txs++;
|
||||
result = mdb_cursor_put(c_cur, (MDB_val *)&zerokval, &iv, 0);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to put a record into tx_indices: ", result).c_str()));
|
||||
result = mdb_cursor_del(c_tx_unlocks, 0);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to delete a record from tx_unlocks: ", result).c_str()));
|
||||
result = mdb_cursor_del(c_tx_heights, 0);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to delete a record from tx_heights: ", result).c_str()));
|
||||
i++;
|
||||
}
|
||||
}
|
||||
result = mdb_txn_begin(m_env, NULL, 0, txn);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to create a transaction for the db: ", result).c_str()));
|
||||
result = mdb_drop(txn, o_tx_unlocks, 1);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to delete tx_unlocks from the db: ", result).c_str()));
|
||||
result = mdb_drop(txn, o_tx_heights, 1);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to delete tx_heights from the db: ", result).c_str()));
|
||||
txn.commit();
|
||||
m_num_txs = num_txs;
|
||||
} while(0);
|
||||
|
||||
do {
|
||||
LOG_PRINT_L1("migrating txs and tx_outputs:");
|
||||
LOG_PRINT_L1("migrating txs and outputs:");
|
||||
|
||||
unsigned int flags;
|
||||
result = mdb_txn_begin(m_env, NULL, 0, txn);
|
||||
@ -3529,30 +3190,26 @@ void BlockchainLMDB::migrate_0_1()
|
||||
break;
|
||||
}
|
||||
|
||||
MDB_dbi o_txs, o_tx_outputs;
|
||||
txindex *txp;
|
||||
MDB_val ik, iv;
|
||||
MDB_dbi o_txs;
|
||||
blobdata bd;
|
||||
block b;
|
||||
MDB_val hk;
|
||||
|
||||
o_txs = m_txs;
|
||||
mdb_set_compare(txn, o_txs, compare_hash32);
|
||||
lmdb_db_open(txn, "txr", MDB_INTEGERKEY | MDB_CREATE, m_txs, "Failed to open db handle for txr");
|
||||
o_tx_outputs = m_tx_outputs;
|
||||
lmdb_db_open(txn, "tx_outputr", MDB_INTEGERKEY | MDB_CREATE, m_tx_outputs, "Failed to open db handle for tx_outputr");
|
||||
mdb_set_dupsort(txn, o_tx_outputs, compare_uint64);
|
||||
|
||||
/* a hack to let us find amount index from global index */
|
||||
mdb_set_dupsort(txn, m_output_amounts, compare_amtidx);
|
||||
txn.commit();
|
||||
|
||||
{
|
||||
MDB_stat ms;
|
||||
mdb_stat(txn, m_tx_indices, &ms);
|
||||
m_num_txs = ms.ms_entries;
|
||||
}
|
||||
|
||||
MDB_cursor *c_cur, *c_curtxo, *c_txi;
|
||||
MDB_cursor *c_txs, *c_tx_outputs;
|
||||
MDB_cursor *c_oamts;
|
||||
MDB_cursor *c_blocks, *c_txs, *c_props, *c_cur;
|
||||
i = 0;
|
||||
z = m_num_txs;
|
||||
z = m_height;
|
||||
|
||||
hk.mv_size = sizeof(crypto::hash);
|
||||
set_batch_transactions(true);
|
||||
batch_start(1000);
|
||||
txn.m_txn = m_write_txn->m_txn;
|
||||
m_height = 0;
|
||||
|
||||
while(1) {
|
||||
if (!(i % 1000)) {
|
||||
@ -3560,122 +3217,80 @@ void BlockchainLMDB::migrate_0_1()
|
||||
LOGIF(1) {
|
||||
std::cout << i << " / " << z << " \r" << std::flush;
|
||||
}
|
||||
MDB_val_set(pk, "txblk");
|
||||
MDB_val_set(pv, m_height);
|
||||
result = mdb_cursor_put(c_props, &pk, &pv, 0);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to update txblk property: ", result).c_str()));
|
||||
txn.commit();
|
||||
result = mdb_txn_begin(m_env, NULL, 0, txn);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to create a transaction for the db: ", result).c_str()));
|
||||
m_write_txn->m_txn = txn.m_txn;
|
||||
m_write_batch_txn->m_txn = txn.m_txn;
|
||||
memset(&m_wcursors, 0, sizeof(m_wcursors));
|
||||
}
|
||||
result = mdb_cursor_open(txn, m_txs, &c_cur);
|
||||
result = mdb_cursor_open(txn, m_blocks, &c_blocks);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to open a cursor for txr: ", result).c_str()));
|
||||
throw0(DB_ERROR(lmdb_error("Failed to open a cursor for blocks: ", result).c_str()));
|
||||
result = mdb_cursor_open(txn, m_properties, &c_props);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to open a cursor for properties: ", result).c_str()));
|
||||
result = mdb_cursor_open(txn, o_txs, &c_txs);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to open a cursor for txs: ", result).c_str()));
|
||||
result = mdb_cursor_open(txn, o_tx_outputs, &c_tx_outputs);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to open a cursor for tx_outputs: ", result).c_str()));
|
||||
result = mdb_cursor_open(txn, m_tx_outputs, &c_curtxo);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to open a cursor for tx_outputr: ", result).c_str()));
|
||||
result = mdb_cursor_open(txn, m_tx_indices, &c_txi);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to open a cursor for tx_indices: ", result).c_str()));
|
||||
result = mdb_cursor_open(txn, m_output_amounts, &c_oamts);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to open a cursor for output_amounts: ", 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);
|
||||
i = ms.ms_entries;
|
||||
m_num_txs = 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)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to get a record from properties: ", result).c_str()));
|
||||
m_height = *(uint64_t *)k.mv_data;
|
||||
}
|
||||
}
|
||||
if (i) {
|
||||
result = mdb_cursor_get(c_txs, &k, &v, MDB_FIRST);
|
||||
result = mdb_cursor_get(c_blocks, &k, &v, MDB_SET);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to get a record from txs: ", result).c_str()));
|
||||
result = mdb_cursor_get(c_txi, (MDB_val *)&zerokval, &k, MDB_GET_BOTH);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to get a record from tx_indices: ", result).c_str()));
|
||||
result = mdb_cursor_get(c_txi, &k, &v, MDB_PREV);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to get a record from tx_indices: ", result).c_str()));
|
||||
throw0(DB_ERROR(lmdb_error("Failed to get a record from blocks: ", result).c_str()));
|
||||
}
|
||||
}
|
||||
/* The new tx_indices and the old txs tables are both sorted using
|
||||
* compare_hash32 so we can walk thru them sequentially and they will
|
||||
* stay in lock step with each other. Unfortunately, even though the
|
||||
* old tx_outputs was keyed with the tx hash, it wasn't set to use
|
||||
* the compare_hash32 function, so its records are in some other random
|
||||
* hash order. This costs us the majority of CPU time when walking
|
||||
* thru that table. Iterating with MDB_NEXT is cheap/free, but searching
|
||||
* through a multi-million record table with 32byte keys is quite costly.
|
||||
*/
|
||||
result = mdb_cursor_get(c_txi, &k, &v, MDB_NEXT);
|
||||
result = mdb_cursor_get(c_blocks, &k, &v, MDB_NEXT);
|
||||
if (result == MDB_NOTFOUND) {
|
||||
txn.commit();
|
||||
MDB_val_set(pk, "txblk");
|
||||
mdb_cursor_get(c_props, &pk, &v, MDB_SET);
|
||||
mdb_cursor_del(c_props, 0);
|
||||
batch_stop();
|
||||
break;
|
||||
} else if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to get a record from tx_indices: ", result).c_str()));
|
||||
txp = (txindex *)v.mv_data;
|
||||
k.mv_data = (void *)&txp->key;
|
||||
k.mv_size = sizeof(txp->key);
|
||||
ik.mv_data = (void *)&txp->data.tx_id;
|
||||
ik.mv_size = sizeof(txp->data.tx_id);
|
||||
throw0(DB_ERROR(lmdb_error("Failed to get a record from blocks: ", result).c_str()));
|
||||
|
||||
result = mdb_cursor_get(c_txs, &k, &v, MDB_FIRST);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to get a record from txs: ", result).c_str()));
|
||||
result = mdb_cursor_put(c_cur, &ik, &v, 0);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to put a record into txr: ", result).c_str()));
|
||||
|
||||
result = mdb_cursor_get(c_tx_outputs, &k, &iv, MDB_SET);
|
||||
if (!result) {
|
||||
blobdata bd;
|
||||
bd.assign(reinterpret_cast<char*>(v.mv_data), v.mv_size);
|
||||
bd.assign(reinterpret_cast<char*>(v.mv_data), v.mv_size);
|
||||
if (!parse_and_validate_block_from_blob(bd, b))
|
||||
throw0(DB_ERROR("Failed to parse block from blob retrieved from the db"));
|
||||
|
||||
add_transaction(null_hash, b.miner_tx);
|
||||
for (unsigned int j = 0; j<b.tx_hashes.size(); j++) {
|
||||
transaction tx;
|
||||
hk.mv_data = &b.tx_hashes[j];
|
||||
result = mdb_cursor_get(c_txs, &hk, &v, MDB_SET);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to get record from txs: ", result).c_str()));
|
||||
bd.assign(reinterpret_cast<char*>(v.mv_data), v.mv_size);
|
||||
if (!parse_and_validate_tx_from_blob(bd, tx))
|
||||
throw0(DB_ERROR("Failed to parse tx from blob retrieved from the db"));
|
||||
|
||||
/* turn global output indices into amount output indices */
|
||||
std::vector<uint64_t> indices;
|
||||
int j;
|
||||
for (j=0;;j++) {
|
||||
MDB_val_set(vk, tx.vout[j].amount);
|
||||
result = mdb_cursor_get(c_oamts, &vk, &iv, MDB_GET_BOTH);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to get a record from output_amounts: ", result).c_str()));
|
||||
|
||||
outkey *ok = (outkey *)v.mv_data;
|
||||
indices.push_back(ok->amount_index);
|
||||
result = mdb_cursor_get(c_tx_outputs, &k, &iv, MDB_NEXT_DUP);
|
||||
if (result == MDB_NOTFOUND)
|
||||
break;
|
||||
else if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to get a record from tx_outputs: ", result).c_str()));
|
||||
}
|
||||
v.mv_data = (void *)indices.data();
|
||||
v.mv_size = sizeof(uint64_t) * indices.size();
|
||||
result = mdb_cursor_put(c_curtxo, &ik, &v, 0);
|
||||
add_transaction(null_hash, tx, &b.tx_hashes[j]);
|
||||
result = mdb_cursor_del(c_txs, 0);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to put a record into tx_outputr: ", result).c_str()));
|
||||
result = mdb_cursor_del(c_tx_outputs, MDB_NODUPDATA);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to delete a record from tx_outputs: ", result).c_str()));
|
||||
} else if (result == MDB_NOTFOUND) {
|
||||
/* get_tx_amount_output_indices expects a record here, even if it's empty */
|
||||
v.mv_size = 0;
|
||||
v.mv_data = NULL;
|
||||
result = mdb_cursor_put(c_curtxo, &ik, &v, 0);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to put a record into tx_outputr: ", result).c_str()));
|
||||
} else
|
||||
throw0(DB_ERROR(lmdb_error("Failed to get a record from tx_outputs: ", result).c_str()));
|
||||
|
||||
result = mdb_cursor_del(c_txs, 0);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to delete a record from txs: ", result).c_str()));
|
||||
throw0(DB_ERROR(lmdb_error("Failed to get record from txs: ", result).c_str()));
|
||||
}
|
||||
i++;
|
||||
m_height = i;
|
||||
}
|
||||
result = mdb_txn_begin(m_env, NULL, 0, txn);
|
||||
if (result)
|
||||
@ -3683,103 +3298,12 @@ void BlockchainLMDB::migrate_0_1()
|
||||
result = mdb_drop(txn, o_txs, 1);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to delete txs from the db: ", result).c_str()));
|
||||
result = mdb_drop(txn, o_tx_outputs, 1);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to delete tx_outputs from the db: ", result).c_str()));
|
||||
|
||||
RENAME_DB("txr");
|
||||
RENAME_DB("tx_outputr");
|
||||
|
||||
mdb_dbi_close(m_env, m_txs);
|
||||
mdb_dbi_close(m_env, m_tx_outputs);
|
||||
|
||||
lmdb_db_open(txn, "txs", MDB_INTEGERKEY, m_txs, "Failed to open db handle for txs");
|
||||
lmdb_db_open(txn, "tx_outputs", MDB_INTEGERKEY, m_tx_outputs, "Failed to open db handle for tx_outputs");
|
||||
mdb_set_dupsort(txn, m_output_amounts, compare_uint64);
|
||||
|
||||
txn.commit();
|
||||
} while(0);
|
||||
|
||||
do {
|
||||
LOG_PRINT_L1("migrating spent_keys:");
|
||||
MDB_dbi o_keys;
|
||||
|
||||
unsigned int flags;
|
||||
result = mdb_txn_begin(m_env, NULL, 0, txn);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to create a transaction for the db: ", result).c_str()));
|
||||
result = mdb_dbi_flags(txn, m_spent_keys, &flags);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to retrieve spent_keys flags: ", result).c_str()));
|
||||
/* if the flags are what we expect, this table has already been migrated */
|
||||
if ((flags & (MDB_INTEGERKEY|MDB_DUPSORT|MDB_DUPFIXED)) == (MDB_INTEGERKEY|MDB_DUPSORT|MDB_DUPFIXED)) {
|
||||
txn.abort();
|
||||
LOG_PRINT_L1(" spent_keys already migrated");
|
||||
break;
|
||||
}
|
||||
|
||||
/* the spent_keys table name is the same but the old version and new version
|
||||
* have incompatible DB flags. Create a new table with the right flags.
|
||||
*/
|
||||
o_keys = m_spent_keys;
|
||||
lmdb_db_open(txn, "spent_keyr", MDB_INTEGERKEY | MDB_CREATE | MDB_DUPSORT | MDB_DUPFIXED, m_spent_keys, "Failed to open db handle for spent_keyr");
|
||||
mdb_set_dupsort(txn, m_spent_keys, compare_hash32);
|
||||
|
||||
MDB_cursor *c_old, *c_cur;
|
||||
i = 0;
|
||||
MDB_stat ms;
|
||||
mdb_stat(txn, o_keys, &ms);
|
||||
z = ms.ms_entries;
|
||||
mdb_stat(txn, m_spent_keys, &ms);
|
||||
z += ms.ms_entries;
|
||||
|
||||
while(1) {
|
||||
if (!(i % 2000)) {
|
||||
if (i) {
|
||||
LOGIF(1) {
|
||||
std::cout << i << " / " << z << " \r" << std::flush;
|
||||
}
|
||||
txn.commit();
|
||||
result = mdb_txn_begin(m_env, NULL, 0, txn);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to create a transaction for the db: ", result).c_str()));
|
||||
}
|
||||
result = mdb_cursor_open(txn, m_spent_keys, &c_cur);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to open a cursor for spent_keyr: ", result).c_str()));
|
||||
result = mdb_cursor_open(txn, o_keys, &c_old);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to open a cursor for spent_keys: ", result).c_str()));
|
||||
if (!i)
|
||||
i = ms.ms_entries;
|
||||
}
|
||||
result = mdb_cursor_get(c_old, &k, NULL, MDB_NEXT);
|
||||
if (result == MDB_NOTFOUND) {
|
||||
txn.commit();
|
||||
break;
|
||||
}
|
||||
else if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to get a record from spent_keys: ", result).c_str()));
|
||||
result = mdb_cursor_put(c_cur, (MDB_val *)&zerokval, &k, MDB_APPENDDUP);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to put a record into spent_keyr: ", result).c_str()));
|
||||
result = mdb_cursor_del(c_old, 0);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to delete a record from spent_keys: ", result).c_str()));
|
||||
i++;
|
||||
}
|
||||
|
||||
result = mdb_txn_begin(m_env, NULL, 0, txn);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to create a transaction for the db: ", result).c_str()));
|
||||
/* Delete the old table */
|
||||
result = mdb_drop(txn, o_keys, 1);
|
||||
if (result)
|
||||
throw0(DB_ERROR(lmdb_error("Failed to delete old spent_keys table: ", result).c_str()));
|
||||
RENAME_DB("spent_keyr");
|
||||
mdb_dbi_close(m_env, m_spent_keys);
|
||||
lmdb_db_open(txn, "spent_keys", MDB_INTEGERKEY | MDB_DUPSORT | MDB_DUPFIXED, m_spent_keys, "Failed to open db handle for spent_keys");
|
||||
mdb_set_dupsort(txn, m_spent_keys, compare_hash32);
|
||||
|
||||
txn.commit();
|
||||
} while(0);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user