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13a3661aba
Move its ownership to the ChainstateManager class. Next to simplifying usage of the kernel library by no longer requiring manual setup of the cache prior to using validation code, it also slims down the amount of memory allocated by BasicTestingSetup.
71 lines
2.7 KiB
C++
71 lines
2.7 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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#include <node/chainstatemanager_args.h>
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#include <arith_uint256.h>
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#include <common/args.h>
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#include <common/system.h>
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#include <logging.h>
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#include <node/coins_view_args.h>
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#include <node/database_args.h>
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#include <tinyformat.h>
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#include <uint256.h>
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#include <util/result.h>
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#include <util/strencodings.h>
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#include <util/translation.h>
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#include <validation.h>
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#include <algorithm>
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#include <chrono>
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#include <string>
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namespace node {
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util::Result<void> ApplyArgsManOptions(const ArgsManager& args, ChainstateManager::Options& opts)
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{
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if (auto value{args.GetIntArg("-checkblockindex")}) {
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// Interpret bare -checkblockindex argument as 1 instead of 0.
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opts.check_block_index = args.GetArg("-checkblockindex")->empty() ? 1 : *value;
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}
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if (auto value{args.GetBoolArg("-checkpoints")}) opts.checkpoints_enabled = *value;
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if (auto value{args.GetArg("-minimumchainwork")}) {
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if (!IsHexNumber(*value)) {
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return util::Error{strprintf(Untranslated("Invalid non-hex (%s) minimum chain work value specified"), *value)};
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}
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opts.minimum_chain_work = UintToArith256(uint256S(*value));
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}
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if (auto value{args.GetArg("-assumevalid")}) opts.assumed_valid_block = uint256S(*value);
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if (auto value{args.GetIntArg("-maxtipage")}) opts.max_tip_age = std::chrono::seconds{*value};
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ReadDatabaseArgs(args, opts.block_tree_db);
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ReadDatabaseArgs(args, opts.coins_db);
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ReadCoinsViewArgs(args, opts.coins_view);
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int script_threads = args.GetIntArg("-par", DEFAULT_SCRIPTCHECK_THREADS);
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if (script_threads <= 0) {
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// -par=0 means autodetect (number of cores - 1 script threads)
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// -par=-n means "leave n cores free" (number of cores - n - 1 script threads)
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script_threads += GetNumCores();
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}
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// Subtract 1 because the main thread counts towards the par threads.
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opts.worker_threads_num = std::clamp(script_threads - 1, 0, MAX_SCRIPTCHECK_THREADS);
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LogPrintf("Script verification uses %d additional threads\n", opts.worker_threads_num);
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if (auto max_size = args.GetIntArg("-maxsigcachesize")) {
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// 1. When supplied with a max_size of 0, both the signature cache and
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// script execution cache create the minimum possible cache (2
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// elements). Therefore, we can use 0 as a floor here.
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// 2. Multiply first, divide after to avoid integer truncation.
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size_t clamped_size_each = std::max<int64_t>(*max_size, 0) * (1 << 20) / 2;
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opts.script_execution_cache_bytes = clamped_size_each;
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}
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return {};
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}
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} // namespace node
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