diff options
Diffstat (limited to 'src/validation.h')
| -rw-r--r-- | src/validation.h | 52 |
1 files changed, 39 insertions, 13 deletions
diff --git a/src/validation.h b/src/validation.h index cac9473c7a..3d9fa92c15 100644 --- a/src/validation.h +++ b/src/validation.h @@ -93,8 +93,6 @@ static const unsigned int DEFAULT_CHECKLEVEL = 3; // one 128MB block file + added 15% undo data = 147MB greater for a total of 545MB // Setting the target to >= 550 MiB will make it likely we can respect the target. static const uint64_t MIN_DISK_SPACE_FOR_BLOCK_FILES = 550 * 1024 * 1024; -/** Minimum size of a witness commitment structure. Defined in BIP 141. **/ -static constexpr size_t MINIMUM_WITNESS_COMMITMENT{38}; struct BlockHasher { @@ -113,7 +111,6 @@ enum class SynchronizationState { extern RecursiveMutex cs_main; extern CBlockPolicyEstimator feeEstimator; -extern CTxMemPool mempool; typedef std::unordered_map<uint256, CBlockIndex*, BlockHasher> BlockMap; extern Mutex g_best_block_mutex; extern std::condition_variable g_best_block_cv; @@ -160,7 +157,7 @@ void LoadExternalBlockFile(const CChainParams& chainparams, FILE* fileIn, FlatFi /** Ensures we have a genesis block in the block tree, possibly writing one to disk. */ bool LoadGenesisBlock(const CChainParams& chainparams); /** Unload database information */ -void UnloadBlockIndex(CTxMemPool* mempool); +void UnloadBlockIndex(CTxMemPool* mempool, ChainstateManager& chainman); /** Run an instance of the script checking thread */ void ThreadScriptCheck(int worker_num); /** @@ -200,10 +197,11 @@ void UnlinkPrunedFiles(const std::set<int>& setFilesToPrune); void PruneBlockFilesManual(int nManualPruneHeight); /** (try to) add transaction to memory pool - * plTxnReplaced will be appended to with all transactions replaced from mempool **/ + * plTxnReplaced will be appended to with all transactions replaced from mempool + * @param[out] fee_out optional argument to return tx fee to the caller **/ bool AcceptToMemoryPool(CTxMemPool& pool, TxValidationState &state, const CTransactionRef &tx, std::list<CTransactionRef>* plTxnReplaced, - bool bypass_limits, const CAmount nAbsurdFee, bool test_accept=false) EXCLUSIVE_LOCKS_REQUIRED(cs_main); + bool bypass_limits, bool test_accept=false, CAmount* fee_out=nullptr) EXCLUSIVE_LOCKS_REQUIRED(cs_main); /** Get the BIP9 state for a given deployment at the current tip. */ ThresholdState VersionBitsTipState(const Consensus::Params& params, Consensus::DeploymentPos pos); @@ -306,9 +304,6 @@ bool TestBlockValidity(BlockValidationState& state, const CChainParams& chainpar * Note that transaction witness validation rules are always enforced when P2SH is enforced. */ bool IsWitnessEnabled(const CBlockIndex* pindexPrev, const Consensus::Params& params); -/** Compute at which vout of the block's coinbase transaction the witness commitment occurs, or -1 if not found */ -int GetWitnessCommitmentIndex(const CBlock& block); - /** Update uncommitted block structures (currently: only the witness reserved value). This is safe for submitted blocks. */ void UpdateUncommittedBlockStructures(CBlock& block, const CBlockIndex* pindexPrev, const Consensus::Params& consensusParams); @@ -357,7 +352,31 @@ struct CBlockIndexWorkComparator * This data is used mostly in `CChainState` - information about, e.g., * candidate tips is not maintained here. */ -class BlockManager { +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, bool is_ibd); + public: BlockMap m_block_index GUARDED_BY(cs_main); @@ -408,6 +427,9 @@ public: /** 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); + /** * If a block header hasn't already been seen, call CheckBlockHeader on it, ensure * that it doesn't descend from an invalid block, and then add it to m_block_index. @@ -417,6 +439,10 @@ public: BlockValidationState& state, const CChainParams& chainparams, CBlockIndex** ppindex) EXCLUSIVE_LOCKS_REQUIRED(cs_main); + + ~BlockManager() { + Unload(); + } }; /** @@ -671,6 +697,9 @@ public: */ void CheckBlockIndex(const Consensus::Params& consensusParams); + /** Load the persisted mempool from disk */ + void LoadMempool(const ArgsManager& args); + /** Update the chain tip based on database information, i.e. CoinsTip()'s best block. */ bool LoadChainTip(const CChainParams& chainparams) EXCLUSIVE_LOCKS_REQUIRED(cs_main); @@ -897,9 +926,6 @@ public: */ bool ProcessNewBlockHeaders(const std::vector<CBlockHeader>& block, BlockValidationState& state, const CChainParams& chainparams, const CBlockIndex** ppindex = nullptr) LOCKS_EXCLUDED(cs_main); - //! Mark one block file as pruned (modify associated database entries) - void PruneOneBlockFile(const int fileNumber) EXCLUSIVE_LOCKS_REQUIRED(cs_main); - //! Load the block tree and coins database from disk, initializing state if we're running with -reindex bool LoadBlockIndex(const CChainParams& chainparams) EXCLUSIVE_LOCKS_REQUIRED(cs_main); |