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monero/src/blockchain_db/blockchain_db.cpp

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Update 2018 copyright
2018-01-07 05:05:16 +00:00
// Copyright (c) 2014-2018, The Monero Project
import of BlockchainDB files tried rebasing, tree-filter, and many other things. at this point, the history of these files previous to this can live on in my bc2 branch, as I'm importing them as-is to here.
2014-10-06 23:46:25 +00:00
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
BlockchainDB: Remove txs in reverse order Data should be removed in the reverse order it was added. Not doing so breaks assumptions and can cause problems in other DB implementations. This matches the order of tx removal in blockchain_storage::purge_block_data_from_blockchain.
2015-12-24 23:01:00 +00:00
#include <boost/range/adaptor/reversed.hpp>
move includes around to lessen overall load
2017-11-25 22:25:05 +00:00
#include "string_tools.h"
Moved BlockchainDB into its own src/ subfolder Ostensibly janitorial work, but should be more relevant later down the line. Things that depend on core cryptonote things (i.e. cryptonote_core) don't necessarily depend on BlockchainDB and thus have no need to have BlockchainDB baked in with them.
2015-03-06 20:20:45 +00:00
#include "blockchain_db.h"
extract some basic code from libcryptonote_core into libcryptonote_basic
2017-01-26 15:07:23 +00:00
#include "cryptonote_basic/cryptonote_format_utils.h"
Add profiling to block and tx processing
2015-02-11 23:55:53 +00:00
#include "profile_tools.h"
some include cleanup
2017-07-31 15:36:52 +00:00
#include "ringct/rctOps.h"
import of BlockchainDB files tried rebasing, tree-filter, and many other things. at this point, the history of these files previous to this can live on in my bc2 branch, as I'm importing them as-is to here.
2014-10-06 23:46:25 +00:00
DB cleanup Hide LMDB-specific stuff behind blockchain_db.h. Nobody besides blockchain_db.cpp should ever be including DB-specific headers any more.
2017-08-19 14:27:13 +00:00
#include "lmdb/db_lmdb.h"
#ifdef BERKELEY_DB
#include "berkeleydb/db_bdb.h"
#endif
More DB support cleanup Hide DB types from db_types.h - no reason to recompile dependencies when DB types change. Also remove lingering in-memory DB references, they've been obsolete since 9e82b694da120708652871b55f639d1ef306a7ec
2017-08-20 12:37:19 +00:00
static const char *db_types[] = {
"lmdb",
#ifdef BERKELEY_DB
"berkeley",
#endif
NULL
};
Change logging to easylogging++ This replaces the epee and data_loggers logging systems with a single one, and also adds filename:line and explicit severity levels. Categories may be defined, and logging severity set by category (or set of categories). epee style 0-4 log level maps to a sensible severity configuration. Log files now also rotate when reaching 100 MB. To select which logs to output, use the MONERO_LOGS environment variable, with a comma separated list of categories (globs are supported), with their requested severity level after a colon. If a log matches more than one such setting, the last one in the configuration string applies. A few examples: This one is (mostly) silent, only outputting fatal errors: MONERO_LOGS=*:FATAL This one is very verbose: MONERO_LOGS=*:TRACE This one is totally silent (logwise): MONERO_LOGS="" This one outputs all errors and warnings, except for the "verify" category, which prints just fatal errors (the verify category is used for logs about incoming transactions and blocks, and it is expected that some/many will fail to verify, hence we don't want the spam): MONERO_LOGS=*:WARNING,verify:FATAL Log levels are, in decreasing order of priority: FATAL, ERROR, WARNING, INFO, DEBUG, TRACE Subcategories may be added using prefixes and globs. This example will output net.p2p logs at the TRACE level, but all other net* logs only at INFO: MONERO_LOGS=*:ERROR,net*:INFO,net.p2p:TRACE Logs which are intended for the user (which Monero was using a lot through epee, but really isn't a nice way to go things) should use the "global" category. There are a few helper macros for using this category, eg: MGINFO("this shows up by default") or MGINFO_RED("this is red"), to try to keep a similar look and feel for now. Existing epee log macros still exist, and map to the new log levels, but since they're used as a "user facing" UI element as much as a logging system, they often don't map well to log severities (ie, a log level 0 log may be an error, or may be something we want the user to see, such as an important info). In those cases, I tried to use the new macros. In other cases, I left the existing macros in. When modifying logs, it is probably best to switch to the new macros with explicit levels. The --log-level options and set_log commands now also accept category settings, in addition to the epee style log levels.
2017-01-01 16:34:23 +00:00
#undef MONERO_DEFAULT_LOG_CATEGORY
#define MONERO_DEFAULT_LOG_CATEGORY "blockchain.db"
some bug fixes, but still needs work There are quite a few debug prints in this commit that will need removed later, but for posterity (in case someone wants to debug this while I'm away), I left them in. Currently errors when syncing on the first block that has a "real" transaction. Seems to not be able to validate the ring signature, but I can't for the life of me figure out what's going wrong.
2014-10-29 02:25:03 +00:00
using epee::string_tools::pod_to_hex;
import of BlockchainDB files tried rebasing, tree-filter, and many other things. at this point, the history of these files previous to this can live on in my bc2 branch, as I'm importing them as-is to here.
2014-10-06 23:46:25 +00:00
namespace cryptonote
{
More DB support cleanup Hide DB types from db_types.h - no reason to recompile dependencies when DB types change. Also remove lingering in-memory DB references, they've been obsolete since 9e82b694da120708652871b55f639d1ef306a7ec
2017-08-20 12:37:19 +00:00
bool blockchain_valid_db_type(const std::string& db_type)
{
int i;
for (i=0; db_types[i]; i++)
{
if (db_types[i] == db_type)
return true;
}
return false;
}
std::string blockchain_db_types(const std::string& sep)
{
int i;
std::string ret = "";
for (i=0; db_types[i]; i++)
{
if (i)
ret += sep;
ret += db_types[i];
}
return ret;
}
move db specific options to BlockchainDB Avoids common depending on blockchain_db, which can cause link errors.
2017-08-29 10:14:42 +00:00
std::string arg_db_type_description = "Specify database type, available: " + cryptonote::blockchain_db_types(", ");
const command_line::arg_descriptor<std::string> arg_db_type = {
"db-type"
, arg_db_type_description.c_str()
, DEFAULT_DB_TYPE
};
const command_line::arg_descriptor<std::string> arg_db_sync_mode = {
"db-sync-mode"
, "Specify sync option, using format [safe|fast|fastest]:[sync|async]:[nblocks_per_sync]."
, "fast:async:1000"
};
const command_line::arg_descriptor<bool> arg_db_salvage = {
"db-salvage"
, "Try to salvage a blockchain database if it seems corrupted"
, false
};
DB cleanup Hide LMDB-specific stuff behind blockchain_db.h. Nobody besides blockchain_db.cpp should ever be including DB-specific headers any more.
2017-08-19 14:27:13 +00:00
BlockchainDB *new_db(const std::string& db_type)
{
if (db_type == "lmdb")
return new BlockchainLMDB();
#if defined(BERKELEY_DB)
if (db_type == "berkeley")
return new BlockchainBDB();
#endif
return NULL;
}
move db specific options to BlockchainDB Avoids common depending on blockchain_db, which can cause link errors.
2017-08-29 10:14:42 +00:00
void BlockchainDB::init_options(boost::program_options::options_description& desc)
{
command_line::add_arg(desc, arg_db_type);
command_line::add_arg(desc, arg_db_sync_mode);
command_line::add_arg(desc, arg_db_salvage);
}
import of BlockchainDB files tried rebasing, tree-filter, and many other things. at this point, the history of these files previous to this can live on in my bc2 branch, as I'm importing them as-is to here.
2014-10-06 23:46:25 +00:00
void BlockchainDB::pop_block()
{
block blk;
std::vector<transaction> txs;
pop_block(blk, txs);
}
db_lmdb: save pruned and prunable tx data separately This bumps DB version to 2, migration code will run for v1 DBs
2017-10-01 10:24:33 +00:00
void BlockchainDB::add_transaction(const crypto::hash& blk_hash, const transaction& tx, const crypto::hash* tx_hash_ptr, const crypto::hash* tx_prunable_hash_ptr)
import of BlockchainDB files tried rebasing, tree-filter, and many other things. at this point, the history of these files previous to this can live on in my bc2 branch, as I'm importing them as-is to here.
2014-10-06 23:46:25 +00:00
{
New "Halfway RingCT" outputs for coinbase transactions When RingCT is enabled, outputs from coinbase transactions are created as a single output, and stored as RingCT output, with a fake mask. Their amount is not hidden on the blockchain itself, but they are then able to be used as fake inputs in a RingCT ring. Since the output amounts are hidden, their "dustiness" is not an obstacle anymore to mixing, and this makes the coinbase transactions a lot smaller, as well as helping the TXO set to grow more slowly. Also add a new "Null" type of rct signature, which decreases the size required when no signatures are to be stored, as in a coinbase tx.
2016-08-12 17:45:07 +00:00
bool miner_tx = false;
db_lmdb: save pruned and prunable tx data separately This bumps DB version to 2, migration code will run for v1 DBs
2017-10-01 10:24:33 +00:00
crypto::hash tx_hash, tx_prunable_hash;
Improve block and tx processing efficiency by less repeat hashing BlockchainLMDB::add_block() BlockchainLMDB::add_transaction_data() BlockchainDB::add_transaction()
2015-02-11 23:55:53 +00:00
if (!tx_hash_ptr)
{
// should only need to compute hash for miner transactions
tx_hash = get_transaction_hash(tx);
LOG_PRINT_L3("null tx_hash_ptr - needed to compute: " << tx_hash);
}
else
{
tx_hash = *tx_hash_ptr;
}
db_lmdb: save pruned and prunable tx data separately This bumps DB version to 2, migration code will run for v1 DBs
2017-10-01 10:24:33 +00:00
if (tx.version >= 2)
{
if (!tx_prunable_hash_ptr)
tx_prunable_hash = get_transaction_prunable_hash(tx);
else
tx_prunable_hash = *tx_prunable_hash_ptr;
}
import of BlockchainDB files tried rebasing, tree-filter, and many other things. at this point, the history of these files previous to this can live on in my bc2 branch, as I'm importing them as-is to here.
2014-10-06 23:46:25 +00:00
blockchain_db: match tx addition semantics to original code The original code removed key images from a tx from the blockchain when an non to-key nor gen input was found in that tx. Additionally, the remainder of the tx data was added to the blockchain only after the double spend check passed.
2015-08-11 10:09:09 +00:00
for (const txin_v& tx_input : tx.vin)
{
if (tx_input.type() == typeid(txin_to_key))
{
add_spent_key(boost::get<txin_to_key>(tx_input).k_image);
}
else if (tx_input.type() == typeid(txin_gen))
{
/* nothing to do here */
New "Halfway RingCT" outputs for coinbase transactions When RingCT is enabled, outputs from coinbase transactions are created as a single output, and stored as RingCT output, with a fake mask. Their amount is not hidden on the blockchain itself, but they are then able to be used as fake inputs in a RingCT ring. Since the output amounts are hidden, their "dustiness" is not an obstacle anymore to mixing, and this makes the coinbase transactions a lot smaller, as well as helping the TXO set to grow more slowly. Also add a new "Null" type of rct signature, which decreases the size required when no signatures are to be stored, as in a coinbase tx.
2016-08-12 17:45:07 +00:00
miner_tx = true;
blockchain_db: match tx addition semantics to original code The original code removed key images from a tx from the blockchain when an non to-key nor gen input was found in that tx. Additionally, the remainder of the tx data was added to the blockchain only after the double spend check passed.
2015-08-11 10:09:09 +00:00
}
else
{
LOG_PRINT_L1("Unsupported input type, removing key images and aborting transaction addition");
for (const txin_v& tx_input : tx.vin)
{
if (tx_input.type() == typeid(txin_to_key))
{
remove_spent_key(boost::get<txin_to_key>(tx_input).k_image);
}
}
return;
}
}
db_lmdb: save pruned and prunable tx data separately This bumps DB version to 2, migration code will run for v1 DBs
2017-10-01 10:24:33 +00:00
uint64_t tx_id = add_transaction_data(blk_hash, tx, tx_hash, tx_prunable_hash);
import of BlockchainDB files tried rebasing, tree-filter, and many other things. at this point, the history of these files previous to this can live on in my bc2 branch, as I'm importing them as-is to here.
2014-10-06 23:46:25 +00:00
Update schema for "tx_outputs" to use array containing amount output indices This speeds up wallet refresh by directly retrieving a tx's amount output indices. It removes the indirection and walking the amount output duplicate list for every amount in each requested tx. "tx_outputs" is used by: Amount output indices are needed for wallet refresh. Global output indices are needed for removing a tx. Both amount output indices and global output indices are now stored in an array of 64-bit unsigned ints: tx_outputs[<tx_hash>] -> [ <a1_oi, a1_gi, a2_oi, a2_gi, ...> ] Previously it was: tx_outputs[<tx_hash>] -> duplicate list of <a1_gi, a2_gi, a3_gi, ...> The amount output list had to be walked for every amount in order to find each amount's output index, by comparing the amount's global output index with each one in the duplicate list until a match was found. See also d045dfa7ce0bf131681193c97560da26f9f37900
2016-01-31 13:10:14 +00:00
std::vector<uint64_t> amount_output_indices;
import of BlockchainDB files tried rebasing, tree-filter, and many other things. at this point, the history of these files previous to this can live on in my bc2 branch, as I'm importing them as-is to here.
2014-10-06 23:46:25 +00:00
// iterate tx.vout using indices instead of C++11 foreach syntax because
// we need the index
blockchain_db: store key images for tx without outputs too
2015-08-09 18:26:36 +00:00
for (uint64_t i = 0; i < tx.vout.size(); ++i)
import of BlockchainDB files tried rebasing, tree-filter, and many other things. at this point, the history of these files previous to this can live on in my bc2 branch, as I'm importing them as-is to here.
2014-10-06 23:46:25 +00:00
{
New "Halfway RingCT" outputs for coinbase transactions When RingCT is enabled, outputs from coinbase transactions are created as a single output, and stored as RingCT output, with a fake mask. Their amount is not hidden on the blockchain itself, but they are then able to be used as fake inputs in a RingCT ring. Since the output amounts are hidden, their "dustiness" is not an obstacle anymore to mixing, and this makes the coinbase transactions a lot smaller, as well as helping the TXO set to grow more slowly. Also add a new "Null" type of rct signature, which decreases the size required when no signatures are to be stored, as in a coinbase tx.
2016-08-12 17:45:07 +00:00
// miner v2 txes have their coinbase output in one single out to save space,
// and we store them as rct outputs with an identity mask
if (miner_tx && tx.version == 2)
{
cryptonote::tx_out vout = tx.vout[i];
rct::key commitment = rct::zeroCommit(vout.amount);
vout.amount = 0;
amount_output_indices.push_back(add_output(tx_hash, vout, i, tx.unlock_time,
&commitment));
}
else
{
amount_output_indices.push_back(add_output(tx_hash, tx.vout[i], i, tx.unlock_time,
tx.version > 1 ? &tx.rct_signatures.outPk[i].mask : NULL));
}
blockchain_db: store key images for tx without outputs too
2015-08-09 18:26:36 +00:00
}
Cleanup and clarify Try to rationalize the variable names, document usage.
2016-04-04 01:10:58 +00:00
add_tx_amount_output_indices(tx_id, amount_output_indices);
import of BlockchainDB files tried rebasing, tree-filter, and many other things. at this point, the history of these files previous to this can live on in my bc2 branch, as I'm importing them as-is to here.
2014-10-06 23:46:25 +00:00
}
uint64_t BlockchainDB::add_block( const block& blk
Parts of LMDB impl of BlockchainDB done and working The rest should just be tedious copypasta and modification.
2014-10-23 19:37:10 +00:00
, const size_t& block_size
, const difficulty_type& cumulative_difficulty
, const uint64_t& coins_generated
, const std::vector<transaction>& txs
)
import of BlockchainDB files tried rebasing, tree-filter, and many other things. at this point, the history of these files previous to this can live on in my bc2 branch, as I'm importing them as-is to here.
2014-10-06 23:46:25 +00:00
{
blockchain_db: sanity check on tx/hash vector sizes It could trip on a corrupt/crafted file if the user has disabled input verification.
2017-11-15 10:02:23 +00:00
// sanity
if (blk.tx_hashes.size() != txs.size())
fix a few leaks by throwing objects, not newed pointers to objects
2017-12-09 12:56:27 +00:00
throw std::runtime_error("Inconsistent tx/hashes sizes");
blockchain_db: sanity check on tx/hash vector sizes It could trip on a corrupt/crafted file if the user has disabled input verification.
2017-11-15 10:02:23 +00:00
read txn/cursor stuff Could wrap more later.
2016-02-18 12:09:57 +00:00
block_txn_start(false);
BlockchainDB/LMDB: Refactor block-scope DB txn handling for add block Move block-scope txn start and stop from BlockchainLMDB to BlockchainDB.
2016-02-08 16:32:36 +00:00
Add profiling to block and tx processing
2015-02-11 23:55:53 +00:00
TIME_MEASURE_START(time1);
some bug fixes, but still needs work There are quite a few debug prints in this commit that will need removed later, but for posterity (in case someone wants to debug this while I'm away), I left them in. Currently errors when syncing on the first block that has a "real" transaction. Seems to not be able to validate the ring signature, but I can't for the life of me figure out what's going wrong.
2014-10-29 02:25:03 +00:00
crypto::hash blk_hash = get_block_hash(blk);
Add profiling to block and tx processing
2015-02-11 23:55:53 +00:00
TIME_MEASURE_FINISH(time1);
time_blk_hash += time1;
some bug fixes, but still needs work There are quite a few debug prints in this commit that will need removed later, but for posterity (in case someone wants to debug this while I'm away), I left them in. Currently errors when syncing on the first block that has a "real" transaction. Seems to not be able to validate the ring signature, but I can't for the life of me figure out what's going wrong.
2014-10-29 02:25:03 +00:00
Fix PR#1506, off by one in chain height
2017-01-16 10:00:06 +00:00
uint64_t prev_height = height();
Parts of LMDB impl of BlockchainDB done and working The rest should just be tedious copypasta and modification.
2014-10-23 19:37:10 +00:00
// call out to add the transactions
Add profiling to block and tx processing
2015-02-11 23:55:53 +00:00
time1 = epee::misc_utils::get_tick_count();
Parts of LMDB impl of BlockchainDB done and working The rest should just be tedious copypasta and modification.
2014-10-23 19:37:10 +00:00
add_transaction(blk_hash, blk.miner_tx);
Improve block and tx processing efficiency by less repeat hashing BlockchainLMDB::add_block() BlockchainLMDB::add_transaction_data() BlockchainDB::add_transaction()
2015-02-11 23:55:53 +00:00
int tx_i = 0;
remove "using namespace std" from headers It's nasty, and actually breaks on Solaris, where if.h fails to build due to: struct map *if_memmap;
2017-10-10 14:47:08 +00:00
crypto::hash tx_hash = crypto::null_hash;
Parts of LMDB impl of BlockchainDB done and working The rest should just be tedious copypasta and modification.
2014-10-23 19:37:10 +00:00
for (const transaction& tx : txs)
import of BlockchainDB files tried rebasing, tree-filter, and many other things. at this point, the history of these files previous to this can live on in my bc2 branch, as I'm importing them as-is to here.
2014-10-06 23:46:25 +00:00
{
Improve block and tx processing efficiency by less repeat hashing BlockchainLMDB::add_block() BlockchainLMDB::add_transaction_data() BlockchainDB::add_transaction()
2015-02-11 23:55:53 +00:00
tx_hash = blk.tx_hashes[tx_i];
add_transaction(blk_hash, tx, &tx_hash);
++tx_i;
import of BlockchainDB files tried rebasing, tree-filter, and many other things. at this point, the history of these files previous to this can live on in my bc2 branch, as I'm importing them as-is to here.
2014-10-06 23:46:25 +00:00
}
Add profiling to block and tx processing
2015-02-11 23:55:53 +00:00
TIME_MEASURE_FINISH(time1);
time_add_transaction += time1;
db_lmdb: fix bad height saved in tx data The recent change to not keep separate track of the blockchain height caused the reported height to jump early in the lmdb transaction (when the block data is added to the blocks table), rather than at the end, after everything succeeded. Since the block data is added before the transaction data, this caused the transaction data to be saved with a height one more than its expected value. Fix this by saving the block data last. This should have no side effects.
2017-02-11 10:16:18 +00:00
// call out to subclass implementation to add the block & metadata
time1 = epee::misc_utils::get_tick_count();
add_block(blk, block_size, cumulative_difficulty, coins_generated, blk_hash);
TIME_MEASURE_FINISH(time1);
time_add_block1 += time1;
Move HardFork DB update to BlockchainDB::add_block() Ensures the database is consistent. Also simplifes blockchain_import in that verify mode off has less to work around.
2016-02-08 16:09:07 +00:00
m_hardfork->add(blk, prev_height);
BlockchainDB/LMDB: Refactor block-scope DB txn handling for add block Move block-scope txn start and stop from BlockchainLMDB to BlockchainDB.
2016-02-08 16:32:36 +00:00
block_txn_stop();
Add profiling to block and tx processing
2015-02-11 23:55:53 +00:00
++num_calls;
import of BlockchainDB files tried rebasing, tree-filter, and many other things. at this point, the history of these files previous to this can live on in my bc2 branch, as I'm importing them as-is to here.
2014-10-06 23:46:25 +00:00
BlockchainDB/LMDB: Refactor block-scope DB txn handling for add block Move block-scope txn start and stop from BlockchainLMDB to BlockchainDB.
2016-02-08 16:32:36 +00:00
return prev_height;
import of BlockchainDB files tried rebasing, tree-filter, and many other things. at this point, the history of these files previous to this can live on in my bc2 branch, as I'm importing them as-is to here.
2014-10-06 23:46:25 +00:00
}
blockchain_db: pass hard fork object as a simple pointer
2016-02-08 20:56:31 +00:00
void BlockchainDB::set_hard_fork(HardFork* hf)
Make HardFork object available to BlockchainDB and derived DB implementations This will later allow the HardFork object's DB update functions to be called when the DB transaction that persists across block add/remove is open.
2016-02-08 15:51:57 +00:00
{
m_hardfork = hf;
}
import of BlockchainDB files tried rebasing, tree-filter, and many other things. at this point, the history of these files previous to this can live on in my bc2 branch, as I'm importing them as-is to here.
2014-10-06 23:46:25 +00:00
void BlockchainDB::pop_block(block& blk, std::vector<transaction>& txs)
{
blk = get_top_block();
Parts of LMDB impl of BlockchainDB done and working The rest should just be tedious copypasta and modification.
2014-10-23 19:37:10 +00:00
remove_block();
BlockchainDB: Remove txs in reverse order Data should be removed in the reverse order it was added. Not doing so breaks assumptions and can cause problems in other DB implementations. This matches the order of tx removal in blockchain_storage::purge_block_data_from_blockchain.
2015-12-24 23:01:00 +00:00
for (const auto& h : boost::adaptors::reverse(blk.tx_hashes))
import of BlockchainDB files tried rebasing, tree-filter, and many other things. at this point, the history of these files previous to this can live on in my bc2 branch, as I'm importing them as-is to here.
2014-10-06 23:46:25 +00:00
{
txs.push_back(get_tx(h));
remove_transaction(h);
}
BlockchainDB: Remove txs in reverse order Data should be removed in the reverse order it was added. Not doing so breaks assumptions and can cause problems in other DB implementations. This matches the order of tx removal in blockchain_storage::purge_block_data_from_blockchain.
2015-12-24 23:01:00 +00:00
remove_transaction(get_transaction_hash(blk.miner_tx));
import of BlockchainDB files tried rebasing, tree-filter, and many other things. at this point, the history of these files previous to this can live on in my bc2 branch, as I'm importing them as-is to here.
2014-10-06 23:46:25 +00:00
}
blockchain_db: add a few const
2015-05-27 18:03:46 +00:00
bool BlockchainDB::is_open() const
Steps toward multiple dbs available -- working There will need to be some more refactoring for these changes to be considered complete/correct, but for now it's working. new daemon cli argument "--db-type", works for LMDB and BerkeleyDB. A good deal of refactoring is also present in this commit, namely Blockchain no longer instantiates BlockchainDB, but rather is passed a pointer to an already-instantiated BlockchainDB on init().
2015-03-25 15:41:30 +00:00
{
return m_open;
}
import of BlockchainDB files tried rebasing, tree-filter, and many other things. at this point, the history of these files previous to this can live on in my bc2 branch, as I'm importing them as-is to here.
2014-10-06 23:46:25 +00:00
void BlockchainDB::remove_transaction(const crypto::hash& tx_hash)
{
transaction tx = get_tx(tx_hash);
for (const txin_v& tx_input : tx.vin)
{
if (tx_input.type() == typeid(txin_to_key))
{
remove_spent_key(boost::get<txin_to_key>(tx_input).k_image);
}
}
Complete implementation of transaction removal Complete method BlockchainLMDB::remove_output() - use output index as the key for: m_output_indices, m_output_txs, m_output_keys - call new method BlockchainLMDB::remove_amount_output_index() Add method to remove amount output index. - BlockchainLMDB::remove_amount_output_index() - for m_output_amounts This also fixes the segfault when blockchain reorganization is attempted.
2015-01-12 02:04:04 +00:00
// need tx as tx.vout has the tx outputs, and the output amounts are needed
remove_transaction_data(tx_hash, tx);
import of BlockchainDB files tried rebasing, tree-filter, and many other things. at this point, the history of these files previous to this can live on in my bc2 branch, as I'm importing them as-is to here.
2014-10-06 23:46:25 +00:00
}
blockchain_db: add "raw" blobdata getters for block and transaction This speeds up operations such as serving blocks to syncing peers
2017-01-15 16:05:55 +00:00
block BlockchainDB::get_block_from_height(const uint64_t& height) const
{
blobdata bd = get_block_blob_from_height(height);
block b;
if (!parse_and_validate_block_from_blob(bd, b))
fix a few leaks by throwing objects, not newed pointers to objects
2017-12-09 12:56:27 +00:00
throw DB_ERROR("Failed to parse block from blob retrieved from the db");
blockchain_db: add "raw" blobdata getters for block and transaction This speeds up operations such as serving blocks to syncing peers
2017-01-15 16:05:55 +00:00
return b;
}
block BlockchainDB::get_block(const crypto::hash& h) const
{
blobdata bd = get_block_blob(h);
block b;
if (!parse_and_validate_block_from_blob(bd, b))
fix a few leaks by throwing objects, not newed pointers to objects
2017-12-09 12:56:27 +00:00
throw DB_ERROR("Failed to parse block from blob retrieved from the db");
blockchain_db: add "raw" blobdata getters for block and transaction This speeds up operations such as serving blocks to syncing peers
2017-01-15 16:05:55 +00:00
return b;
}
bool BlockchainDB::get_tx(const crypto::hash& h, cryptonote::transaction &tx) const
{
blobdata bd;
if (!get_tx_blob(h, bd))
return false;
if (!parse_and_validate_tx_from_blob(bd, tx))
fix a few leaks by throwing objects, not newed pointers to objects
2017-12-09 12:56:27 +00:00
throw DB_ERROR("Failed to parse transaction from blob retrieved from the db");
blockchain_db: add "raw" blobdata getters for block and transaction This speeds up operations such as serving blocks to syncing peers
2017-01-15 16:05:55 +00:00
return true;
}
transaction BlockchainDB::get_tx(const crypto::hash& h) const
{
transaction tx;
if (!get_tx(h, tx))
fix a few leaks by throwing objects, not newed pointers to objects
2017-12-09 12:56:27 +00:00
throw TX_DNE(std::string("tx with hash ").append(epee::string_tools::pod_to_hex(h)).append(" not found in db").c_str());
blockchain_db: add "raw" blobdata getters for block and transaction This speeds up operations such as serving blocks to syncing peers
2017-01-15 16:05:55 +00:00
return tx;
}
Add profiling to block and tx processing
2015-02-11 23:55:53 +00:00
void BlockchainDB::reset_stats()
{
num_calls = 0;
time_blk_hash = 0;
BlockchainLMDB: Add profiling to tx_exists()
2015-02-11 04:01:02 +00:00
time_tx_exists = 0;
Add profiling to block and tx processing
2015-02-11 23:55:53 +00:00
time_add_block1 = 0;
time_add_transaction = 0;
BlockchainDB, BlockchainLMDB: Add profiling for DB commits
2015-02-11 23:55:53 +00:00
time_commit1 = 0;
Add profiling to block and tx processing
2015-02-11 23:55:53 +00:00
}
void BlockchainDB::show_stats()
{
LOG_PRINT_L1(ENDL
<< "*********************************"
<< ENDL
<< "num_calls: " << num_calls
<< ENDL
<< "time_blk_hash: " << time_blk_hash << "ms"
<< ENDL
BlockchainLMDB: Add profiling to tx_exists()
2015-02-11 04:01:02 +00:00
<< "time_tx_exists: " << time_tx_exists << "ms"
<< ENDL
Add profiling to block and tx processing
2015-02-11 23:55:53 +00:00
<< "time_add_block1: " << time_add_block1 << "ms"
<< ENDL
<< "time_add_transaction: " << time_add_transaction << "ms"
<< ENDL
BlockchainDB, BlockchainLMDB: Add profiling for DB commits
2015-02-11 23:55:53 +00:00
<< "time_commit1: " << time_commit1 << "ms"
<< ENDL
Add profiling to block and tx processing
2015-02-11 23:55:53 +00:00
<< "*********************************"
<< ENDL
);
}
blockchain_db: fixup missing key images in early DB version Early DB versions did not store key images for inputs if the transaction spending them had no outputs (ie, all fee). This is not correct, as this would allow these outputs to be double spent. This was fixed in 533acc30eda7792c802ea8b6417917fa99b8bc2b a few months ago, but databases having synced blocks 2021612 and 685498 with a faulty version will be missing those key images in the spent keys database. This code checks for this, and adds those key images if they are missing.
2015-12-06 20:48:17 +00:00
void BlockchainDB::fixup()
{
BlockchainDB: skip fixup check if read-only database
2015-12-26 22:27:35 +00:00
if (is_read_only()) {
LOG_PRINT_L1("Database is opened read only - skipping fixup check");
return;
}
blockchain_db: fixup missing key images in early DB version Early DB versions did not store key images for inputs if the transaction spending them had no outputs (ie, all fee). This is not correct, as this would allow these outputs to be double spent. This was fixed in 533acc30eda7792c802ea8b6417917fa99b8bc2b a few months ago, but databases having synced blocks 2021612 and 685498 with a faulty version will be missing those key images in the spent keys database. This code checks for this, and adds those key images if they are missing.
2015-12-06 20:48:17 +00:00
// There was a bug that would cause key images for transactions without
// any outputs to not be added to the spent key image set. There are two
// instances of such transactions, in blocks 202612 and 685498.
// The key images below are those from the inputs in those transactions.
// On testnet, there are no such transactions
// See commit 533acc30eda7792c802ea8b6417917fa99b8bc2b for the fix
static const char * const mainnet_genesis_hex = "418015bb9ae982a1975da7d79277c2705727a56894ba0fb246adaabb1f4632e3";
crypto::hash mainnet_genesis_hash;
epee::string_tools::hex_to_pod(mainnet_genesis_hex, mainnet_genesis_hash );
read txn/cursor stuff Could wrap more later.
2016-02-18 12:09:57 +00:00
set_batch_transactions(true);
batch_start();
blockchain_db: fixup missing key images in early DB version Early DB versions did not store key images for inputs if the transaction spending them had no outputs (ie, all fee). This is not correct, as this would allow these outputs to be double spent. This was fixed in 533acc30eda7792c802ea8b6417917fa99b8bc2b a few months ago, but databases having synced blocks 2021612 and 685498 with a faulty version will be missing those key images in the spent keys database. This code checks for this, and adds those key images if they are missing.
2015-12-06 20:48:17 +00:00
if (get_block_hash_from_height(0) == mainnet_genesis_hash)
{
// block 202612 (511 key images in 511 transactions)
static const char * const key_images_202612[] =
{
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};
// block 685498 (13 key images in one transaction)
static const char * const key_images_685498[] =
{
"749b7277aa21c70c417f255fb181c3a30b44277edf657eaaebf28a2709dd2a90",
"5a9b3e1a87332d735cedaa2b5623a6a5e99d99f5a2887c8fc84293577e8bf25c",
"bea438768445eb3650cf619bf6758e94035abfe0ccda91d4a58c582df143d835",
"376e237ff4da5e5cbd6e1bba4b01412fa751f2959c0c57006589f382413df429",
"14ac2f2e044f8635a3a42ecb46c575424073c1f6e5ed5e905f516d57f63184b5",
"2d1d2ecb77b69a2901de00897d0509c1b7855a3b2f8eb1afe419008fc03cd15a",
"ea01658f0972b77ae9112d525ec073e3ec5c3b98d5ad912d95ab2636354b70b6",
"d3934864a46101d8c242415282e7fc9ee73ad16cd40355535d226ab45ecdb61a",
"ee379b05c5d02432330ebd4ea9c4f1c87d14c388568d526a0f8a22649a14e453",
"aeb7b842b410b13ca4af7a5ffd5ae6caddc8bfec653df1b945e478839a2e0057",
"451806929d9f5c3a7f365472703871abadc25b2a5a2d75472a45e86cd76c610b",
"272d9b9fcc9e253c08da9caf8233471150019582eaefef461c1f9ceff7e2c337",
"633cdedeb3b96ec4f234c670254c6f721e0b368d00b48c6b26759db7d62cf52d",
};
if (height() > 202612)
{
for (const auto &kis: key_images_202612)
{
crypto::key_image ki;
epee::string_tools::hex_to_pod(kis, ki);
if (!has_key_image(ki))
{
LOG_PRINT_L1("Fixup: adding missing spent key " << ki);
add_spent_key(ki);
}
}
}
if (height() > 685498)
{
for (const auto &kis: key_images_685498)
{
crypto::key_image ki;
epee::string_tools::hex_to_pod(kis, ki);
if (!has_key_image(ki))
{
LOG_PRINT_L1("Fixup: adding missing spent key " << ki);
add_spent_key(ki);
}
}
}
}
read txn/cursor stuff Could wrap more later.
2016-02-18 12:09:57 +00:00
batch_stop();
blockchain_db: fixup missing key images in early DB version Early DB versions did not store key images for inputs if the transaction spending them had no outputs (ie, all fee). This is not correct, as this would allow these outputs to be double spent. This was fixed in 533acc30eda7792c802ea8b6417917fa99b8bc2b a few months ago, but databases having synced blocks 2021612 and 685498 with a faulty version will be missing those key images in the spent keys database. This code checks for this, and adds those key images if they are missing.
2015-12-06 20:48:17 +00:00
}
import of BlockchainDB files tried rebasing, tree-filter, and many other things. at this point, the history of these files previous to this can live on in my bc2 branch, as I'm importing them as-is to here.
2014-10-06 23:46:25 +00:00
} // namespace cryptonote
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