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https://github.com/bitcoin/bitcoin.git
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7fbb1bc44b
This commit is done in preparation for the next commit. Here, the block
tree options are moved to the blockmanager options and the block tree is
instantiated through a helper method of the BlockManager, which is
removed again in the next commit.
Co-authored-by: MarcoFalke <*~=`'#}+{/-|&$^_@721217.xyz>
77 lines
2.9 KiB
C++
77 lines
2.9 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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#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 (auto min_work{uint256::FromUserHex(*value)}) {
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opts.minimum_chain_work = UintToArith256(*min_work);
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} else {
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return util::Error{Untranslated(strprintf("Invalid minimum work specified (%s), must be up to %d hex digits", *value, uint256::size() * 2))};
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}
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}
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if (auto value{args.GetArg("-assumevalid")}) {
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if (auto block_hash{uint256::FromUserHex(*value)}) {
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opts.assumed_valid_block = *block_hash;
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} else {
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return util::Error{Untranslated(strprintf("Invalid assumevalid block hash specified (%s), must be up to %d hex digits (or 0 to disable)", *value, uint256::size() * 2))};
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}
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}
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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.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 = script_threads - 1;
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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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opts.signature_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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