Bitcoin Core  24.99.0
P2P Digital Currency
mempool_options.h
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1 // Copyright (c) 2022 The Bitcoin Core developers
2 // Distributed under the MIT software license, see the accompanying
3 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
4 #ifndef BITCOIN_KERNEL_MEMPOOL_OPTIONS_H
5 #define BITCOIN_KERNEL_MEMPOOL_OPTIONS_H
6 
8 
9 #include <policy/feerate.h>
10 #include <policy/policy.h>
11 #include <script/standard.h>
12 
13 #include <chrono>
14 #include <cstdint>
15 #include <optional>
16 
18 
20 static constexpr unsigned int DEFAULT_MAX_MEMPOOL_SIZE_MB{300};
22 static constexpr unsigned int DEFAULT_MEMPOOL_EXPIRY_HOURS{336};
24 static constexpr bool DEFAULT_MEMPOOL_FULL_RBF{false};
25 
26 namespace kernel {
35  /* Used to estimate appropriate transaction fees. */
37  /* The ratio used to determine how often sanity checks will run. */
38  int check_ratio{0};
40  std::chrono::seconds expiry{std::chrono::hours{DEFAULT_MEMPOOL_EXPIRY_HOURS}};
52  std::optional<unsigned> max_datacarrier_bytes{DEFAULT_ACCEPT_DATACARRIER ? std::optional{MAX_OP_RETURN_RELAY} : std::nullopt};
54  bool require_standard{true};
57 };
58 } // namespace kernel
59 
60 #endif // BITCOIN_KERNEL_MEMPOOL_OPTIONS_H
The BlockPolicyEstimator is used for estimating the feerate needed for a transaction to be included i...
Definition: fees.h:133
Fee rate in satoshis per kilovirtualbyte: CAmount / kvB.
Definition: feerate.h:33
static constexpr unsigned int DEFAULT_MAX_MEMPOOL_SIZE_MB
Default for -maxmempool, maximum megabytes of mempool memory usage.
static constexpr bool DEFAULT_MEMPOOL_FULL_RBF
Default for -mempoolfullrbf, if the transaction replaceability signaling is ignored.
static constexpr unsigned int DEFAULT_MEMPOOL_EXPIRY_HOURS
Default for -mempoolexpiry, expiration time for mempool transactions in hours.
static constexpr unsigned int DEFAULT_INCREMENTAL_RELAY_FEE
Default for -incrementalrelayfee, which sets the minimum feerate increase for mempool limiting or rep...
Definition: policy.h:35
static constexpr bool DEFAULT_PERMIT_BAREMULTISIG
Default for -permitbaremultisig.
Definition: policy.h:39
static constexpr unsigned int DUST_RELAY_TX_FEE
Min feerate for defining dust.
Definition: policy.h:55
static constexpr unsigned int DEFAULT_MIN_RELAY_TX_FEE
Default for -minrelaytxfee, minimum relay fee for transactions.
Definition: policy.h:57
static const unsigned int MAX_OP_RETURN_RELAY
Default setting for -datacarriersize.
Definition: standard.h:39
static const bool DEFAULT_ACCEPT_DATACARRIER
Definition: standard.h:19
Options struct containing limit options for a CTxMemPool.
Options struct containing options for constructing a CTxMemPool.
CBlockPolicyEstimator * estimator
std::optional< unsigned > max_datacarrier_bytes
A data carrying output is an unspendable output containing data.
CFeeRate incremental_relay_feerate
CFeeRate min_relay_feerate
A fee rate smaller than this is considered zero fee (for relaying, mining and transaction creation)
std::chrono::seconds expiry