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This new node policy setting enables to accept replaced-by-fee transaction without inspection of the replaceability signaling as described in BIP125 "explicit signaling". If turns on, the node mempool accepts transaction replacement as described in `policy/mempool-replacements.md`. The default setting value is `false`, implying opt-in RBF is enforced.
42 lines
1.6 KiB
C++
42 lines
1.6 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_MEMPOOL_OPTIONS_H
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#define BITCOIN_KERNEL_MEMPOOL_OPTIONS_H
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#include <kernel/mempool_limits.h>
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#include <chrono>
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#include <cstdint>
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class CBlockPolicyEstimator;
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/** Default for -maxmempool, maximum megabytes of mempool memory usage */
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static constexpr unsigned int DEFAULT_MAX_MEMPOOL_SIZE_MB{300};
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/** Default for -mempoolexpiry, expiration time for mempool transactions in hours */
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static constexpr unsigned int DEFAULT_MEMPOOL_EXPIRY_HOURS{336};
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/** Default for -mempoolfullrbf, if the transaction replaceability signaling is ignored */
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static constexpr bool DEFAULT_MEMPOOL_FULL_RBF{false};
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namespace kernel {
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/**
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* Options struct containing options for constructing a CTxMemPool. Default
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* constructor populates the struct with sane default values which can be
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* modified.
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*
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* Most of the time, this struct should be referenced as CTxMemPool::Options.
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*/
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struct MemPoolOptions {
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/* Used to estimate appropriate transaction fees. */
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CBlockPolicyEstimator* estimator{nullptr};
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/* The ratio used to determine how often sanity checks will run. */
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int check_ratio{0};
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int64_t max_size_bytes{DEFAULT_MAX_MEMPOOL_SIZE_MB * 1'000'000};
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std::chrono::seconds expiry{std::chrono::hours{DEFAULT_MEMPOOL_EXPIRY_HOURS}};
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bool full_rbf{DEFAULT_MEMPOOL_FULL_RBF};
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MemPoolLimits limits{};
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};
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} // namespace kernel
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#endif // BITCOIN_KERNEL_MEMPOOL_OPTIONS_H
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