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3c5d1a4681
The headers presync logic should be enough to prevent memory DoS using low-work headers. Therefore, we no longer have any use for checkpoints.
56 lines
1.9 KiB
C++
56 lines
1.9 KiB
C++
// Copyright (c) 2022 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_KERNEL_CHAINSTATEMANAGER_OPTS_H
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#define BITCOIN_KERNEL_CHAINSTATEMANAGER_OPTS_H
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#include <kernel/notifications_interface.h>
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#include <arith_uint256.h>
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#include <dbwrapper.h>
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#include <script/sigcache.h>
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#include <txdb.h>
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#include <uint256.h>
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#include <util/time.h>
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#include <cstdint>
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#include <functional>
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#include <optional>
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class CChainParams;
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class ValidationSignals;
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static constexpr auto DEFAULT_MAX_TIP_AGE{24h};
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namespace kernel {
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/**
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* An options struct for `ChainstateManager`, more ergonomically referred to as
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* `ChainstateManager::Options` due to the using-declaration in
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* `ChainstateManager`.
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*/
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struct ChainstateManagerOpts {
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const CChainParams& chainparams;
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fs::path datadir;
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std::optional<int32_t> check_block_index{};
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//! If set, it will override the minimum work we will assume exists on some valid chain.
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std::optional<arith_uint256> minimum_chain_work{};
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//! If set, it will override the block hash whose ancestors we will assume to have valid scripts without checking them.
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std::optional<uint256> assumed_valid_block{};
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//! If the tip is older than this, the node is considered to be in initial block download.
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std::chrono::seconds max_tip_age{DEFAULT_MAX_TIP_AGE};
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DBOptions coins_db{};
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CoinsViewOptions coins_view{};
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Notifications& notifications;
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ValidationSignals* signals{nullptr};
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//! Number of script check worker threads. Zero means no parallel verification.
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int worker_threads_num{0};
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size_t script_execution_cache_bytes{DEFAULT_SCRIPT_EXECUTION_CACHE_BYTES};
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size_t signature_cache_bytes{DEFAULT_SIGNATURE_CACHE_BYTES};
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};
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} // namespace kernel
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#endif // BITCOIN_KERNEL_CHAINSTATEMANAGER_OPTS_H
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