src/node/validation_cache_args.cpp


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

#include <node/validation_cache_args.h>

#include <kernel/validation_cache_sizes.h>

#include <util/system.h>

#include <memory>
#include <optional>

using kernel::ValidationCacheSizes;

namespace node {
void ApplyArgsManOptions(const ArgsManager& argsman, ValidationCacheSizes& cache_sizes)
{
    if (auto max_size = argsman.GetIntArg("-maxsigcachesize")) {
        // Multiply first, divide after to avoid integer truncation
        int64_t size_each = *max_size * (1 << 20) / 2;
        cache_sizes = {
            .signature_cache_bytes = size_each,
            .script_execution_cache_bytes = size_each,
        };
    }
}
} // namespace node