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* remove unused class CAddrMan; from db.hPhilip Kaufmann2014-08-101-1/+0
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* Move CAddrDB frrom db to netWladimir J. van der Laan2013-12-041-18/+0
| | | | | | | | | This was a leftover from the times in which peers.dat depended in BDB. Other functions in db.cpp still depend on BerkelyDB, to be able to compile without BDB this (small) functionality needs to be moved to another file.
* Cleanup code using forward declarations.Brandon Dahler2013-11-101-5/+4
| | | | | | | | | Use misc methods of avoiding unnecesary header includes. Replace int typedefs with int##_t from stdint.h. Replace PRI64[xdu] with PRI[xdu]64 from inttypes.h. Normalize QT_VERSION ifs where possible. Resolve some indirect dependencies as direct ones. Remove extern declarations from .cpp files.
* Merge pull request #3119Pieter Wuille2013-10-201-1/+1
|\ | | | | | | db0e8cc Bump Year Number to 2013 (super3)
| * Bump Year Number to 2013super32013-10-201-1/+1
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* | Reimplement CBlockLocator's chain-related logic in CChain.Pieter Wuille2013-10-151-1/+1
|/ | | | | | | This removes a few unused CBlockLocator methods, and moves the construction and fork-finding logic to CChain (which can do these more efficiently, as it has a height-indexable chain available). It also makes CBlockLocator independent from the validation code.
* Introduce a CChainParameters singleton class and regtest mode.Mike Hearn2013-06-191-4/+0
| | | | | | | | | | | | | The new class is accessed via the Params() method and holds most things that vary between main, test and regtest networks. The regtest mode has two purposes, one is to run the bitcoind/bitcoinj comparison tool which compares two separate implementations of the Bitcoin protocol looking for divergence. The other is that when run, you get a local node which can mine a single block instantly, which is highly convenient for testing apps during development as there's no need to wait 10 minutes for a block on the testnet.
* Get rid of db dependencies on mainEric Lombrozo2013-06-051-3/+7
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* Remove database/ after clean shutdownPieter Wuille2013-04-241-1/+1
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* Clean up shutdown processGavin Andresen2013-04-031-1/+1
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* Bitcoin-Qt: fix crash on Windows caused by CDBEnv::EnvShutdown()Philip Kaufmann2012-11-181-0/+1
| | | | | | | | | - can be triggerd by just adding -proxy=crashme with 0.7.1 - crash occured, when AppInit2() was left with return false; after the first call to bitdb.open() (Step 6 in init) - this is caused by GetDataDir() or .string() in CDBEnv::EnvShutdown() called via the bitdb global destructor - init fDbEnvInit and fMockDb to false in CDBEnv::CDBEnv()
* simplify CDBEnv::Open() / fix small glitchesPhilip Kaufmann2012-11-101-3/+2
| | | | | | | - remove pathEnv from CDBEnv, as this attribute is not needed - change path parameter in ::Open() to a reference - make nDbCache variable an unsigned integer - remove a missplaced ";" behin ::IsMock()
* Remove -detachdb and stop's detach argument.Pieter Wuille2012-11-041-3/+0
| | | | | | | | As the only BDB database left is the wallet, and it is always detached. Also remove IsChainFile() predicate and related chainfile-specific logic.
* LevelDB block and coin databasesPieter Wuille2012-10-201-55/+0
| | | | | | | | Split off CBlockTreeDB and CCoinsViewDB into txdb-*.{cpp,h} files, implemented by either LevelDB or BDB. Based on code from earlier commits by Mike Hearn in his leveldb branch.
* Use singleton block tree database instancePieter Wuille2012-10-201-6/+6
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* Batch block connection during IBDPieter Wuille2012-10-201-1/+19
| | | | | | | During the initial block download (or -loadblock), delay connection of new blocks a bit, and perform them in a single action. This reduces the load on the database engine, as subsequent blocks often update an earlier block's transaction already.
* UltraprunePieter Wuille2012-10-201-19/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This switches bitcoin's transaction/block verification logic to use a "coin database", which contains all unredeemed transaction output scripts, amounts and heights. The name ultraprune comes from the fact that instead of a full transaction index, we only (need to) keep an index with unspent outputs. For now, the blocks themselves are kept as usual, although they are only necessary for serving, rescanning and reorganizing. The basic datastructures are CCoins (representing the coins of a single transaction), and CCoinsView (representing a state of the coins database). There are several implementations for CCoinsView. A dummy, one backed by the coins database (coins.dat), one backed by the memory pool, and one that adds a cache on top of it. FetchInputs, ConnectInputs, ConnectBlock, DisconnectBlock, ... now operate on a generic CCoinsView. The block switching logic now builds a single cached CCoinsView with changes to be committed to the database before any changes are made. This means no uncommitted changes are ever read from the database, and should ease the transition to another database layer which does not support transactions (but does support atomic writes), like LevelDB. For the getrawtransaction() RPC call, access to a txid-to-disk index would be preferable. As this index is not necessary or even useful for any other part of the implementation, it is not provided. Instead, getrawtransaction() uses the coin database to find the block height, and then scans that block to find the requested transaction. This is slow, but should suffice for debug purposes.
* Multiple blocks per filePieter Wuille2012-10-201-0/+4
| | | | | | | | | | | Change the block storage layer again, this time with multiple files per block, but tracked by txindex.dat database entries. The file format is exactly the same as the earlier blk00001.dat, but with smaller files (128 MiB for now). The database entries track how many bytes each block file already uses, how many blocks are in it, which range of heights is present and which range of dates.
* Handle corrupt wallets gracefully.Gavin Andresen2012-10-081-0/+20
| | | | | | | | | | | | | | | | | | | | | | | | | Corrupt wallets used to cause a DB_RUNRECOVERY uncaught exception and a crash. This commit does three things: 1) Runs a BDB verify early in the startup process, and if there is a low-level problem with the database: + Moves the bad wallet.dat to wallet.timestamp.bak + Runs a 'salvage' operation to get key/value pairs, and writes them to a new wallet.dat + Continues with startup. 2) Much more tolerant of serialization errors. All errors in deserialization are reported by tolerated EXCEPT for errors related to reading keypairs or master key records-- those are reported and then shut down, so the user can get help (or recover from a backup). 3) Adds a new -salvagewallet option, which: + Moves the wallet.dat to wallet.timestamp.bak + extracts ONLY keypairs and master keys into a new wallet.dat + soft-sets -rescan, to recreate transaction history This was tested by randomly corrupting testnet wallets using a little python script I wrote (https://gist.github.com/3812689)
* Run BDB disk-less for test_bitcoinLuke Dashjr2012-07-111-0/+3
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* Remove CTxDB::ReadOwnerTxes.Pieter Wuille2012-06-201-1/+0
| | | | It seems it wasn't ever used since 0.1.5.
* Refactor: add IsChainFile helper. LoadBlockIndex() code movement.Jeff Garzik2012-05-231-0/+2
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* CDBEnv: fix qt buildLuke Dashjr2012-05-221-0/+1
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* Merge branch 'dbenv' into tmpJeff Garzik2012-05-221-31/+53
|\ | | | | | | | | Conflicts: src/db.cpp
| * Further CDBEnv encapsulation work.Jeff Garzik2012-05-191-0/+4
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| * Remove unused nested BDB transaction supportJeff Garzik2012-05-191-28/+16
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| * Create CDBEnv::TxnBegin(), and use it in CDB::TxnBegin()Jeff Garzik2012-05-191-3/+11
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| * Encapsulate BDB environment inside new CDBEnv classJeff Garzik2012-05-191-4/+26
| | | | | | | | | | | | | | | | Cleans up and organizes several scattered functions and variables related to the BDB env. Class CDBInit() existed to provide a guaranteed-via-C++-destructor cleanup of the db environment. A formal CDBEnv class provides all of this inside a single wrapper.
* | Prevent crashes due to missing or corrupted database recordsJeff Garzik2012-05-221-2/+7
| | | | | | | | | | | | | | Any problems seen during deserialization will throw an uncaught exception, crashing the entire bitcoin process. Properly return an error instead, so that we may at least log the error and gracefully shutdown other portions of the app.
* | Merge pull request #1354 from fanquake/masterPieter Wuille2012-05-201-1/+1
|\ \ | |/ |/| Update Header Licenses
| * Update License in File HeadersFordy2012-05-181-1/+1
| | | | | | | | | | | | I originally created a pull to replace the "COPYING" in crypter.cpp and crypter.h, but it turned out that COPYING was actually the correct file.
* | Default to DB_TXN_WRITE_NOSYNC for all transactional operationsJeff Garzik2012-05-191-1/+1
|/ | | | | | | | | * This is safer than DB_TXN_NOSYNC, and does not appear to impact performance. * Applying this to the dbenv is necessary to avoid many fdatasync(2) calls on db 5.x * We carefully and thoroughly flush databases upon shutdown and other important events already.
* Merge pull request #1316 from jgarzik/dead-codeJeff Garzik2012-05-171-1/+0
|\ | | | | Remove dead code: CTxDB::EraseBlockIndex(), CBlockIndex::EraseBlockFromDisk()
| * Remove dead code: CTxDB::EraseBlockIndex(), CBlockIndex::EraseBlockFromDisk()Jeff Garzik2012-05-151-1/+0
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* | CAddrDB: Replace BDB-managed addr.dat with internally managed peers.datJeff Garzik2012-05-161-11/+6
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* Make lsn_reset ("detach databases") optional and off by default.Pieter Wuille2012-04-261-0/+1
| | | | | | | | | | Add an option -detachdb (and entry in OptionDialog), without which no lsn_reset is called on addr.dat and blkindex.dat. That means these files cannot be moved to a new environment, but shutdown can be significantly faster. The wallet file is always lsn_reset'ed. -detachdb corresponds to the old behaviour, though it is off by default now to speed up shutdowns.
* Further reduce header dependenciesPieter Wuille2012-04-171-7/+6
| | | | | | | This commit removes the dependency of serialize.h on PROTOCOL_VERSION, and makes this parameter required instead of implicit. This is much saner, as it makes the places where changing a version number can have an influence obvious.
* Move CWalletDB code to new walletdb module.Jeff Garzik2012-04-171-170/+1
| | | | | In addition to standard code separation, this change opens the door to fixing several include inter-dependencies.
* Remove headers.hPieter Wuille2012-04-171-28/+2
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* Merge branch 'master' of github.com:bitcoin/bitcoinGavin Andresen2012-03-261-5/+6
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| * Begin doxygen-compatible commentsPieter Wuille2012-03-261-5/+6
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* | Use erase instead of rewrite to remove old addr entriesPieter Wuille2012-03-261-3/+1
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* Merge branch 'addrman' of https://github.com/sipa/bitcoinGavin Andresen2012-03-221-1/+3
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| * CAddrMan: stochastic address managerPieter Wuille2012-02-241-1/+3
| | | | | | | | | | | | | | | | | | Design goals: * Only keep a limited number of addresses around, so that addr.dat does not grow without bound. * Keep the address tables in-memory, and occasionally write the table to addr.dat. * Make sure no (localized) attacker can fill the entire table with his nodes/addresses. See comments in addrman.h for more detailed information.
* | bitcoind changes to stop storing settings in wallet.dat.Gavin Andresen2012-02-261-1/+7
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* Add SetMinVersion to CWalletPieter Wuille2012-02-181-0/+5
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* Update all copyrights to 2012Gavin Andresen2012-02-071-1/+1
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* Revert "Use standard C99 (and Qt) types for 64-bit integers"Wladimir J. van der Laan2011-12-211-7/+5
| | | | This reverts commit 21d9f36781604e4ca9fc35dc65265593423b73e9.
* Use standard C99 (and Qt) types for 64-bit integersLuke Dashjr2011-12-201-5/+7
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* Use block times for 'hard' OP_EVAL switchover, and refactored EvalScriptGavin Andresen2011-12-191-12/+13
| | | | | | so it takes a flag for how to interpret OP_EVAL. Also increased IsStandard size of scriptSigs to 500 bytes, so a 3-of-3 multisig transaction IsStandard.
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