diff options
Diffstat (limited to 'src/validation.h')
| -rw-r--r-- | src/validation.h | 60 |
1 files changed, 27 insertions, 33 deletions
diff --git a/src/validation.h b/src/validation.h index c882eac408..00f7265793 100644 --- a/src/validation.h +++ b/src/validation.h @@ -63,8 +63,6 @@ struct Params; static const int MAX_SCRIPTCHECK_THREADS = 15; /** -par default (number of script-checking threads, 0 = auto) */ static const int DEFAULT_SCRIPTCHECK_THREADS = 0; -static const int64_t DEFAULT_MAX_TIP_AGE = 24 * 60 * 60; -static const bool DEFAULT_CHECKPOINTS_ENABLED = true; /** Default for -stopatheight */ static const int DEFAULT_STOPATHEIGHT = 0; /** Block files containing a block-height within MIN_BLOCKS_TO_KEEP of ActiveChain().Tip() will not be pruned. */ @@ -93,20 +91,6 @@ extern GlobalMutex g_best_block_mutex; extern std::condition_variable g_best_block_cv; /** Used to notify getblocktemplate RPC of new tips. */ extern uint256 g_best_block; -/** Whether there are dedicated script-checking threads running. - * False indicates all script checking is done on the main threadMessageHandler thread. - */ -extern bool g_parallel_script_checks; -extern bool fCheckBlockIndex; -extern bool fCheckpointsEnabled; -/** If the tip is older than this (in seconds), the node is considered to be in initial block download. */ -extern int64_t nMaxTipAge; - -/** Block hash whose ancestors we will assume to have valid scripts without checking them. */ -extern uint256 hashAssumeValid; - -/** Minimum work we will assume exists on some valid chain. */ -extern arith_uint256 nMinimumChainWork; /** Documentation for argument 'checklevel'. */ extern const std::vector<std::string> CHECKLEVEL_DOC; @@ -472,10 +456,6 @@ public: //! Chainstate instances. node::BlockManager& m_blockman; - /** Chain parameters for this chainstate */ - /* TODO: replace with m_chainman.GetParams() */ - const CChainParams& m_params; - //! The chainstate manager that owns this chainstate. The reference is //! necessary so that this instance can check whether it is the active //! chainstate within deeply nested method calls. @@ -702,7 +682,7 @@ public: /** * Make various assertions about the state of the block index. * - * By default this only executes fully when using the Regtest chain; see: fCheckBlockIndex. + * By default this only executes fully when using the Regtest chain; see: m_options.check_block_index. */ void CheckBlockIndex(); @@ -763,6 +743,9 @@ private: void UpdateTip(const CBlockIndex* pindexNew) EXCLUSIVE_LOCKS_REQUIRED(::cs_main); + std::chrono::microseconds m_last_write{0}; + std::chrono::microseconds m_last_flush{0}; + friend ChainstateManager; }; @@ -867,13 +850,13 @@ private: public: using Options = kernel::ChainstateManagerOpts; - explicit ChainstateManager(Options options) : m_options{std::move(options)} - { - Assert(m_options.adjusted_time_callback); - } + explicit ChainstateManager(Options options); const CChainParams& GetParams() const { return m_options.chainparams; } const Consensus::Params& GetConsensus() const { return m_options.chainparams.GetConsensus(); } + bool ShouldCheckBlockIndex() const { return *Assert(m_options.check_block_index); } + const arith_uint256& MinimumChainWork() const { return *Assert(m_options.minimum_chain_work); } + const uint256& AssumedValidBlock() const { return *Assert(m_options.assumed_valid_block); } /** * Alias for ::cs_main. @@ -926,17 +909,11 @@ public: //! coins databases. This will be split somehow across chainstates. int64_t m_total_coinsdb_cache{0}; - //! Instantiate a new chainstate and assign it based upon whether it is - //! from a snapshot. + //! Instantiate a new chainstate. //! //! @param[in] mempool The mempool to pass to the chainstate // constructor - //! @param[in] snapshot_blockhash If given, signify that this chainstate - //! is based on a snapshot. - Chainstate& InitializeChainstate( - CTxMemPool* mempool, - const std::optional<uint256>& snapshot_blockhash = std::nullopt) - LIFETIMEBOUND EXCLUSIVE_LOCKS_REQUIRED(::cs_main); + Chainstate& InitializeChainstate(CTxMemPool* mempool) EXCLUSIVE_LOCKS_REQUIRED(::cs_main); //! Get all chainstates currently being used. std::vector<Chainstate*> GetAll(); @@ -1050,6 +1027,17 @@ public: * information. */ void ReportHeadersPresync(const arith_uint256& work, int64_t height, int64_t timestamp); + //! When starting up, search the datadir for a chainstate based on a UTXO + //! snapshot that is in the process of being validated. + bool DetectSnapshotChainstate(CTxMemPool* mempool) EXCLUSIVE_LOCKS_REQUIRED(::cs_main); + + void ResetChainstates() EXCLUSIVE_LOCKS_REQUIRED(::cs_main); + + //! Switch the active chainstate to one based on a UTXO snapshot that was loaded + //! previously. + Chainstate& ActivateExistingSnapshot(CTxMemPool* mempool, uint256 base_blockhash) + EXCLUSIVE_LOCKS_REQUIRED(::cs_main); + ~ChainstateManager(); }; @@ -1081,4 +1069,10 @@ bool DeploymentEnabled(const ChainstateManager& chainman, DEP dep) */ const AssumeutxoData* ExpectedAssumeutxo(const int height, const CChainParams& params); +/** Identifies blocks that overwrote an existing coinbase output in the UTXO set (see BIP30) */ +bool IsBIP30Repeat(const CBlockIndex& block_index); + +/** Identifies blocks which coinbase output was subsequently overwritten in the UTXO set (see BIP30) */ +bool IsBIP30Unspendable(const CBlockIndex& block_index); + #endif // BITCOIN_VALIDATION_H |