Differential D1435 Diff 3932 src/validation.h

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src/validation.h

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	* block index object for the given headers.			* block index object for the given headers.
	* @return True if block headers were accepted as valid.			* @return True if block headers were accepted as valid.
	*/			*/
	bool ProcessNewBlockHeaders(const Config &config,			bool ProcessNewBlockHeaders(const Config &config,
	const std::vector<CBlockHeader> &block,			const std::vector<CBlockHeader> &block,
	CValidationState &state,			CValidationState &state,
	const CBlockIndex **ppindex = nullptr);			const CBlockIndex **ppindex = nullptr);

	/** Check whether enough disk space is available for an incoming block */			/**
				* Check whether enough disk space is available for an incoming block.
				*/
	bool CheckDiskSpace(uint64_t nAdditionalBytes = 0);			bool CheckDiskSpace(uint64_t nAdditionalBytes = 0);
	/** Open a block file (blk?????.dat) */
				/**
				* Open a block file (blk?????.dat).
				*/
	FILE *OpenBlockFile(const CDiskBlockPos &pos, bool fReadOnly = false);			FILE *OpenBlockFile(const CDiskBlockPos &pos, bool fReadOnly = false);
	/** Translation to a filesystem path */
				/**
				* Translation to a filesystem path.
				*/
	fs::path GetBlockPosFilename(const CDiskBlockPos &pos, const char *prefix);			fs::path GetBlockPosFilename(const CDiskBlockPos &pos, const char *prefix);
	/** Import blocks from an external file */
				/**
				* Import blocks from an external file.
				*/
	bool LoadExternalBlockFile(const Config &config, FILE *fileIn,			bool LoadExternalBlockFile(const Config &config, FILE *fileIn,
	CDiskBlockPos *dbp = nullptr);			CDiskBlockPos *dbp = nullptr);
	/** Initialize a new block tree database + block data on disk */
				/**
				* Initialize a new block tree database + block data on disk.
				*/
	bool InitBlockIndex(const Config &config);			bool InitBlockIndex(const Config &config);
	/** Load the block tree and coins database from disk */
				/**
				* Load the block tree and coins database from disk.
				*/
	bool LoadBlockIndex(const CChainParams &chainparams);			bool LoadBlockIndex(const CChainParams &chainparams);
	/** Update the chain tip based on database information. */
				/**
				* Update the chain tip based on database information.
				*/
	void LoadChainTip(const CChainParams &chainparams);			void LoadChainTip(const CChainParams &chainparams);
	/** Unload database information */
				/**
				* Unload database information.
				*/
	void UnloadBlockIndex();			void UnloadBlockIndex();
	/** Run an instance of the script checking thread */
				/**
				* Run an instance of the script checking thread.
				*/
	void ThreadScriptCheck();			void ThreadScriptCheck();
	/** Check whether we are doing an initial block download (synchronizing from
	* disk or network) */			/**
				* Check whether we are doing an initial block download (synchronizing from disk
				* or network)
				*/
	bool IsInitialBlockDownload();			bool IsInitialBlockDownload();
	/** Format a string that describes several potential problems detected by the
				/**
				* Format a string that describes several potential problems detected by the
	* core.			* core.
	* strFor can have three values:			* strFor can have three values:
	* - "rpc": get critical warnings, which should put the client in safe mode if			* - "rpc": get critical warnings, which should put the client in safe mode if
	* non-empty			* non-empty
	* - "statusbar": get all warnings			* - "statusbar": get all warnings
	* - "gui": get all warnings, translated (where possible) for GUI			* - "gui": get all warnings, translated (where possible) for GUI
	* This function only returns the highest priority warning of the set selected			* This function only returns the highest priority warning of the set selected
	* by strFor.			* by strFor.
	*/			*/
	std::string GetWarnings(const std::string &strFor);			std::string GetWarnings(const std::string &strFor);
	/** Retrieve a transaction (from memory pool, or from disk, if possible) */
				/**
				* Retrieve a transaction (from memory pool, or from disk, if possible).
				*/
	bool GetTransaction(const Config &config, const uint256 &hash,			bool GetTransaction(const Config &config, const uint256 &hash,
	CTransactionRef &tx, uint256 &hashBlock,			CTransactionRef &tx, uint256 &hashBlock,
	bool fAllowSlow = false);			bool fAllowSlow = false);

	/**			/**
	* Find the best known block, and make it the active tip of the block chain.			* Find the best known block, and make it the active tip of the block chain.
	* If it fails, the tip is not updated.			* If it fails, the tip is not updated.
	*			*
	* pblock is either nullptr or a pointer to a block that is already loaded			* pblock is either nullptr or a pointer to a block that is already loaded
	* in memory (to avoid loading it from disk again).			* in memory (to avoid loading it from disk again).
	*			*
	* Returns true if a new chain tip was set.			* Returns true if a new chain tip was set.
	*/			*/
	bool ActivateBestChain(			bool ActivateBestChain(
	const Config &config, CValidationState &state,			const Config &config, CValidationState &state,
	std::shared_ptr<const CBlock> pblock = std::shared_ptr<const CBlock>());			std::shared_ptr<const CBlock> pblock = std::shared_ptr<const CBlock>());
	Amount GetBlockSubsidy(int nHeight, const Consensus::Params &consensusParams);			Amount GetBlockSubsidy(int nHeight, const Consensus::Params &consensusParams);

	/** Guess verification progress (as a fraction between 0.0=genesis and			/**
	* 1.0=current tip). */			* Guess verification progress (as a fraction between 0.0=genesis and
				* 1.0=current tip).
				*/
	double GuessVerificationProgress(const ChainTxData &data, CBlockIndex *pindex);			double GuessVerificationProgress(const ChainTxData &data, CBlockIndex *pindex);

	/**			/**
	* Mark one block file as pruned.			* Mark one block file as pruned.
	*/			*/
	void PruneOneBlockFile(const int fileNumber);			void PruneOneBlockFile(const int fileNumber);

	/**			/**
	* Actually unlink the specified files			* Actually unlink the specified files
	*/			*/
	void UnlinkPrunedFiles(const std::set<int> &setFilesToPrune);			void UnlinkPrunedFiles(const std::set<int> &setFilesToPrune);

	/** Create a new block index entry for a given block hash */			/** Create a new block index entry for a given block hash */
	CBlockIndex *InsertBlockIndex(uint256 hash);			CBlockIndex *InsertBlockIndex(uint256 hash);
	/** Flush all state, indexes and buffers to disk. */			/** Flush all state, indexes and buffers to disk. */
	void FlushStateToDisk();			void FlushStateToDisk();
	/** Prune block files and flush state to disk. */			/** Prune block files and flush state to disk. */
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