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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.
#ifndef BITCOIN_KERNEL_MEMPOOL_OPTIONS_H
#define BITCOIN_KERNEL_MEMPOOL_OPTIONS_H
#include <kernel/mempool_limits.h>
#include <chrono>
#include <cstdint>
class CBlockPolicyEstimator;
/** Default for -maxmempool, maximum megabytes of mempool memory usage */
static constexpr unsigned int DEFAULT_MAX_MEMPOOL_SIZE_MB{300};
/** Default for -mempoolexpiry, expiration time for mempool transactions in hours */
static constexpr unsigned int DEFAULT_MEMPOOL_EXPIRY_HOURS{336};
/** Default for -mempoolfullrbf, if the transaction replaceability signaling is ignored */
static constexpr bool DEFAULT_MEMPOOL_FULL_RBF{false};
namespace kernel {
/**
* Options struct containing options for constructing a CTxMemPool. Default
* constructor populates the struct with sane default values which can be
* modified.
*
* Most of the time, this struct should be referenced as CTxMemPool::Options.
*/
struct MemPoolOptions {
/* Used to estimate appropriate transaction fees. */
CBlockPolicyEstimator* estimator{nullptr};
/* The ratio used to determine how often sanity checks will run. */
int check_ratio{0};
int64_t max_size_bytes{DEFAULT_MAX_MEMPOOL_SIZE_MB * 1'000'000};
std::chrono::seconds expiry{std::chrono::hours{DEFAULT_MEMPOOL_EXPIRY_HOURS}};
bool full_rbf{DEFAULT_MEMPOOL_FULL_RBF};
MemPoolLimits limits{};
};
} // namespace kernel
#endif // BITCOIN_KERNEL_MEMPOOL_OPTIONS_H
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