diff options
Diffstat (limited to 'src/validation.h')
-rw-r--r-- | src/validation.h | 84 |
1 files changed, 2 insertions, 82 deletions
diff --git a/src/validation.h b/src/validation.h index 160fffd048..16f4bfe741 100644 --- a/src/validation.h +++ b/src/validation.h @@ -1,5 +1,5 @@ // Copyright (c) 2009-2010 Satoshi Nakamoto -// Copyright (c) 2009-2020 The Bitcoin Core developers +// Copyright (c) 2009-2021 The Bitcoin Core developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. @@ -15,6 +15,7 @@ #include <chain.h> #include <consensus/amount.h> #include <fs.h> +#include <node/blockstorage.h> #include <policy/feerate.h> #include <policy/packages.h> #include <script/script_error.h> @@ -40,7 +41,6 @@ class CChainState; class CBlockTreeDB; class CChainParams; -struct CCheckpointData; class CTxMemPool; class ChainstateManager; class SnapshotMetadata; @@ -107,7 +107,6 @@ enum class SynchronizationState { }; extern RecursiveMutex cs_main; -typedef std::unordered_map<uint256, CBlockIndex*, BlockHasher> BlockMap; extern Mutex g_best_block_mutex; extern std::condition_variable g_best_block_cv; /** Used to notify getblocktemplate RPC of new tips. */ @@ -381,85 +380,6 @@ enum class FlushStateMode { ALWAYS }; -struct CBlockIndexWorkComparator -{ - bool operator()(const CBlockIndex *pa, const CBlockIndex *pb) const; -}; - -/** - * Maintains a tree of blocks (stored in `m_block_index`) which is consulted - * to determine where the most-work tip is. - * - * This data is used mostly in `CChainState` - information about, e.g., - * candidate tips is not maintained here. - */ -class BlockManager -{ - friend CChainState; - -private: - /* Calculate the block/rev files to delete based on height specified by user with RPC command pruneblockchain */ - void FindFilesToPruneManual(std::set<int>& setFilesToPrune, int nManualPruneHeight, int chain_tip_height); - - /** - * Prune block and undo files (blk???.dat and undo???.dat) so that the disk space used is less than a user-defined target. - * The user sets the target (in MB) on the command line or in config file. This will be run on startup and whenever new - * space is allocated in a block or undo file, staying below the target. Changing back to unpruned requires a reindex - * (which in this case means the blockchain must be re-downloaded.) - * - * Pruning functions are called from FlushStateToDisk when the global fCheckForPruning flag has been set. - * Block and undo files are deleted in lock-step (when blk00003.dat is deleted, so is rev00003.dat.) - * Pruning cannot take place until the longest chain is at least a certain length (100000 on mainnet, 1000 on testnet, 1000 on regtest). - * Pruning will never delete a block within a defined distance (currently 288) from the active chain's tip. - * The block index is updated by unsetting HAVE_DATA and HAVE_UNDO for any blocks that were stored in the deleted files. - * A db flag records the fact that at least some block files have been pruned. - * - * @param[out] setFilesToPrune The set of file indices that can be unlinked will be returned - */ - void FindFilesToPrune(std::set<int>& setFilesToPrune, uint64_t nPruneAfterHeight, int chain_tip_height, int prune_height, bool is_ibd); - -public: - BlockMap m_block_index GUARDED_BY(cs_main); - - /** - * All pairs A->B, where A (or one of its ancestors) misses transactions, but B has transactions. - * Pruned nodes may have entries where B is missing data. - */ - std::multimap<CBlockIndex*, CBlockIndex*> m_blocks_unlinked; - - std::unique_ptr<CBlockTreeDB> m_block_tree_db GUARDED_BY(::cs_main); - - bool LoadBlockIndexDB(ChainstateManager& chainman) EXCLUSIVE_LOCKS_REQUIRED(::cs_main); - - /** - * Load the blocktree off disk and into memory. Populate certain metadata - * per index entry (nStatus, nChainWork, nTimeMax, etc.) as well as peripheral - * collections like setDirtyBlockIndex. - */ - bool LoadBlockIndex( - const Consensus::Params& consensus_params, - ChainstateManager& chainman) EXCLUSIVE_LOCKS_REQUIRED(cs_main); - - /** Clear all data members. */ - void Unload() EXCLUSIVE_LOCKS_REQUIRED(cs_main); - - CBlockIndex* AddToBlockIndex(const CBlockHeader& block) EXCLUSIVE_LOCKS_REQUIRED(cs_main); - /** Create a new block index entry for a given block hash */ - CBlockIndex* InsertBlockIndex(const uint256& hash) EXCLUSIVE_LOCKS_REQUIRED(cs_main); - - //! Mark one block file as pruned (modify associated database entries) - void PruneOneBlockFile(const int fileNumber) EXCLUSIVE_LOCKS_REQUIRED(cs_main); - - CBlockIndex* LookupBlockIndex(const uint256& hash) const EXCLUSIVE_LOCKS_REQUIRED(cs_main); - - //! Returns last CBlockIndex* that is a checkpoint - CBlockIndex* GetLastCheckpoint(const CCheckpointData& data) EXCLUSIVE_LOCKS_REQUIRED(cs_main); - - ~BlockManager() { - Unload(); - } -}; - /** * A convenience class for constructing the CCoinsView* hierarchy used * to facilitate access to the UTXO set. |