Differential D15813 Diff 46642 src/kernel/chainstatemanager_opts.h

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src/kernel/chainstatemanager_opts.h

	// Copyright (c) 2022 The Bitcoin Core developers			// Copyright (c) 2022 The Bitcoin Core developers
	// Distributed under the MIT software license, see the accompanying			// Distributed under the MIT software license, see the accompanying
	// file COPYING or http://www.opensource.org/licenses/mit-license.php.			// file COPYING or http://www.opensource.org/licenses/mit-license.php.

	#ifndef BITCOIN_KERNEL_CHAINSTATEMANAGER_OPTS_H			#ifndef BITCOIN_KERNEL_CHAINSTATEMANAGER_OPTS_H
	#define BITCOIN_KERNEL_CHAINSTATEMANAGER_OPTS_H			#define BITCOIN_KERNEL_CHAINSTATEMANAGER_OPTS_H

				#include <arith_uint256.h>
	#include <primitives/blockhash.h>			#include <primitives/blockhash.h>
	#include <util/time.h>			#include <util/time.h>

	#include <cstdint>			#include <cstdint>
	#include <functional>			#include <functional>
	#include <optional>			#include <optional>

	class Config;			class Config;

	static constexpr auto DEFAULT_MAX_TIP_AGE{24h};			static constexpr auto DEFAULT_MAX_TIP_AGE{24h};

	namespace kernel {			namespace kernel {

	/**			/**
	* An options struct for `ChainstateManager`, more ergonomically referred to as			* An options struct for `ChainstateManager`, more ergonomically referred to as
	* `ChainstateManager::Options` due to the using-declaration in			* `ChainstateManager::Options` due to the using-declaration in
	* `ChainstateManager`.			* `ChainstateManager`.
	*/			*/
	struct ChainstateManagerOpts {			struct ChainstateManagerOpts {
	const Config &config;			const Config &config;
	const std::function<NodeClock::time_point()> adjusted_time_callback{			const std::function<NodeClock::time_point()> adjusted_time_callback{
	nullptr};			nullptr};
				//! If set, it will override the minimum work we will assume exists on some
				//! valid chain.
				std::optional<arith_uint256> minimum_chain_work{};
	//! If set, it will override the block hash whose ancestors we will assume			//! If set, it will override the block hash whose ancestors we will assume
	//! to have valid scripts without checking them.			//! to have valid scripts without checking them.
	std::optional<BlockHash> assumed_valid_block{};			std::optional<BlockHash> assumed_valid_block{};
	//! If the tip is older than this, the node is considered to be in initial			//! If the tip is older than this, the node is considered to be in initial
	//! block download.			//! block download.
	std::chrono::seconds max_tip_age{DEFAULT_MAX_TIP_AGE};			std::chrono::seconds max_tip_age{DEFAULT_MAX_TIP_AGE};
	};			};

	} // namespace kernel			} // namespace kernel

	#endif // BITCOIN_KERNEL_CHAINSTATEMANAGER_OPTS_H			#endif // BITCOIN_KERNEL_CHAINSTATEMANAGER_OPTS_H