From 006e106ae9235198e286d6503e53fa41865e1601 Mon Sep 17 00:00:00 2001 From: Thomas Winget Date: Fri, 31 Oct 2014 17:34:15 -0400 Subject: [PATCH] Store output pubkeys separately, bug fixes --- .../BlockchainDB_impl/db_lmdb.cpp | 64 ++++++++++++++++--- .../BlockchainDB_impl/db_lmdb.h | 1 + 2 files changed, 55 insertions(+), 10 deletions(-) diff --git a/src/cryptonote_core/BlockchainDB_impl/db_lmdb.cpp b/src/cryptonote_core/BlockchainDB_impl/db_lmdb.cpp index 34451facd..bd775ac88 100644 --- a/src/cryptonote_core/BlockchainDB_impl/db_lmdb.cpp +++ b/src/cryptonote_core/BlockchainDB_impl/db_lmdb.cpp @@ -95,6 +95,7 @@ const char* LMDB_TX_OUTPUTS = "tx_outputs"; const char* LMDB_OUTPUT_TXS = "output_txs"; const char* LMDB_OUTPUT_INDICES = "output_indices"; const char* LMDB_OUTPUT_AMOUNTS = "output_amounts"; +const char* LMDB_OUTPUT_KEYS = "output_keys"; const char* LMDB_OUTPUTS = "outputs"; const char* LMDB_OUTPUT_GINDICES = "output_gindices"; const char* LMDB_SPENT_KEYS = "spent_keys"; @@ -417,6 +418,20 @@ void BlockchainLMDB::add_output(const crypto::hash& tx_hash, const tx_out& tx_ou throw DB_ERROR("Failed to add output amount to db transaction"); } + if (tx_output.target.type() == typeid(txout_to_key)) + { + crypto::public_key pubkey = boost::get(tx_output.target).key; + + v.mv_size = sizeof(pubkey); + v.mv_data = &pubkey; + if (mdb_put(*m_write_txn, m_output_keys, &k, &v, 0)) + { + LOG_PRINT_L0("Failed to add output pubkey to db transaction"); + throw DB_ERROR("Failed to add output pubkey to db transaction"); + } + } + + /****** Uncomment if ever outputs actually need to be stored in this manner * blobdata b = output_to_blob(tx_output); @@ -543,6 +558,17 @@ void BlockchainLMDB::remove_output(const uint64_t& out_index) throw DB_ERROR("Error adding removal of output amount to db transaction"); } + result = mdb_del(*m_write_txn, m_output_keys, &v, NULL); + if (result == MDB_NOTFOUND) + { + LOG_PRINT_L2("Removing output, no public key found."); + } + else if (result) + { + LOG_PRINT_L1("Error adding removal of output pubkey to db transaction"); + throw DB_ERROR("Error adding removal of output pubkey to db transaction"); + } + m_num_outputs--; } @@ -691,7 +717,8 @@ void BlockchainLMDB::open(const std::string& filename) LOG_PRINT_L0("Failed to set max number of dbs"); throw DB_ERROR("Failed to set max number of dbs"); } - if (auto result = mdb_env_set_mapsize(m_env, 1 << 29)) + size_t mapsize = 1LL << 32; + if (auto result = mdb_env_set_mapsize(m_env, mapsize)) { LOG_PRINT_L0("Failed to set max memory map size"); LOG_PRINT_L0("E: " << mdb_strerror(result)); @@ -731,6 +758,7 @@ void BlockchainLMDB::open(const std::string& filename) lmdb_db_open(txn, LMDB_OUTPUT_TXS, MDB_INTEGERKEY | MDB_CREATE, m_output_txs, "Failed to open db handle for m_output_txs"); lmdb_db_open(txn, LMDB_OUTPUT_INDICES, MDB_INTEGERKEY | MDB_CREATE, m_output_indices, "Failed to open db handle for m_output_indices"); lmdb_db_open(txn, LMDB_OUTPUT_AMOUNTS, MDB_INTEGERKEY | MDB_DUPSORT | MDB_CREATE, m_output_amounts, "Failed to open db handle for m_output_amounts"); + lmdb_db_open(txn, LMDB_OUTPUT_KEYS, MDB_INTEGERKEY | MDB_CREATE, m_output_keys, "Failed to open db handle for m_output_keys"); /*************** not used, but kept for posterity lmdb_db_open(txn, LMDB_OUTPUTS, MDB_INTEGERKEY | MDB_CREATE, m_outputs, "Failed to open db handle for m_outputs"); @@ -753,10 +781,10 @@ void BlockchainLMDB::open(const std::string& filename) m_height = db_stats.ms_entries; // get and keep current number of outputs - if (mdb_stat(txn, m_outputs, &db_stats)) + if (mdb_stat(txn, m_output_indices, &db_stats)) { - LOG_PRINT_L0("Failed to query m_outputs"); - throw DB_ERROR("Failed to query m_outputs"); + LOG_PRINT_L0("Failed to query m_output_indices"); + throw DB_ERROR("Failed to query m_output_indices"); } m_num_outputs = db_stats.ms_entries; @@ -1457,15 +1485,31 @@ crypto::public_key BlockchainLMDB::get_output_key(const uint64_t& amount, const uint64_t global = get_output_global_index(amount, index); - tx_out output = get_output(global); - - if (output.target.type() != typeid(txout_to_key)) + txn_safe txn; + if (mdb_txn_begin(m_env, NULL, MDB_RDONLY, txn)) { - LOG_PRINT_L1("Attempting to get public key for wrong type of output"); - throw DB_ERROR("Attempting to get public key for wrong type of output"); + LOG_PRINT_L0("Failed to create a transaction for the db"); + throw DB_ERROR("Failed to create a transaction for the db"); } - return boost::get(output.target).key; + MDB_val k; + k.mv_size = sizeof(global); + k.mv_data = &global; + + MDB_val v; + auto get_result = mdb_get(txn, m_output_keys, &k, &v); + if (get_result == MDB_NOTFOUND) + { + LOG_PRINT_L0("Attempting to get output pubkey by global index, but key does not exist"); + throw DB_ERROR("Attempting to get output pubkey by global index, but key does not exist"); + } + else if (get_result) + { + LOG_PRINT_L0("Error attempting to retrieve an output pubkey from the db"); + throw DB_ERROR("Error attempting to retrieve an output pubkey from the db"); + } + + return *(crypto::public_key*)v.mv_data; } tx_out BlockchainLMDB::get_output(const crypto::hash& h, const uint64_t& index) diff --git a/src/cryptonote_core/BlockchainDB_impl/db_lmdb.h b/src/cryptonote_core/BlockchainDB_impl/db_lmdb.h index 5bc1650c8..e74ca4b73 100644 --- a/src/cryptonote_core/BlockchainDB_impl/db_lmdb.h +++ b/src/cryptonote_core/BlockchainDB_impl/db_lmdb.h @@ -250,6 +250,7 @@ private: MDB_dbi m_output_indices; MDB_dbi m_output_gindices; MDB_dbi m_output_amounts; + MDB_dbi m_output_keys; MDB_dbi m_outputs; MDB_dbi m_spent_keys;