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       1                 :            : // Copyright (c) 2022 The Bitcoin Core developers
       2                 :            : // Distributed under the MIT software license, see the accompanying
       3                 :            : // file COPYING or http://www.opensource.org/licenses/mit-license.php.
       4                 :            : 
       5                 :            : #ifndef BITCOIN_KERNEL_CHAINSTATEMANAGER_OPTS_H
       6                 :            : #define BITCOIN_KERNEL_CHAINSTATEMANAGER_OPTS_H
       7                 :            : 
       8                 :            : #include <kernel/notifications_interface.h>
       9                 :            : 
      10                 :            : #include <arith_uint256.h>
      11                 :            : #include <dbwrapper.h>
      12                 :            : #include <txdb.h>
      13                 :            : #include <uint256.h>
      14                 :            : #include <util/time.h>
      15                 :            : 
      16                 :            : #include <cstdint>
      17                 :            : #include <functional>
      18                 :            : #include <optional>
      19                 :            : 
      20                 :            : class CChainParams;
      21                 :            : 
      22                 :            : static constexpr bool DEFAULT_CHECKPOINTS_ENABLED{true};
      23                 :            : static constexpr auto DEFAULT_MAX_TIP_AGE{24h};
      24                 :            : 
      25                 :            : namespace kernel {
      26                 :            : 
      27                 :            : /**
      28                 :            :  * An options struct for `ChainstateManager`, more ergonomically referred to as
      29                 :            :  * `ChainstateManager::Options` due to the using-declaration in
      30                 :            :  * `ChainstateManager`.
      31                 :            :  */
      32         [ #  # ]:          0 : struct ChainstateManagerOpts {
      33                 :            :     const CChainParams& chainparams;
      34                 :            :     fs::path datadir;
      35                 :            :     const std::function<NodeClock::time_point()> adjusted_time_callback{nullptr};
      36                 :            :     std::optional<bool> check_block_index{};
      37                 :            :     bool checkpoints_enabled{DEFAULT_CHECKPOINTS_ENABLED};
      38                 :            :     //! If set, it will override the minimum work we will assume exists on some valid chain.
      39                 :            :     std::optional<arith_uint256> minimum_chain_work{};
      40                 :            :     //! If set, it will override the block hash whose ancestors we will assume to have valid scripts without checking them.
      41                 :            :     std::optional<uint256> assumed_valid_block{};
      42                 :            :     //! If the tip is older than this, the node is considered to be in initial block download.
      43                 :            :     std::chrono::seconds max_tip_age{DEFAULT_MAX_TIP_AGE};
      44                 :            :     DBOptions block_tree_db{};
      45                 :            :     DBOptions coins_db{};
      46                 :            :     CoinsViewOptions coins_view{};
      47                 :            :     Notifications& notifications;
      48                 :            :     //! Number of script check worker threads. Zero means no parallel verification.
      49                 :            :     int worker_threads_num{0};
      50                 :            : };
      51                 :            : 
      52                 :            : } // namespace kernel
      53                 :            : 
      54                 :            : #endif // BITCOIN_KERNEL_CHAINSTATEMANAGER_OPTS_H