Struct MemPoolOptions

pub struct MemPoolOptions {

    pub max_size_bytes: usize,
    pub expiry_seconds: u32,
    pub min_relay_feerate: u64,
    pub dust_relay_feerate: u64,
    pub max_datacarrier_bytes: usize,
    pub permit_bare_multisig: bool,
    pub require_standard: bool,
    pub max_script_cache_size: usize,
    pub limits: MemPoolLimits,
    pub enable_rbf: bool,
    pub max_replacement_txs: usize,
    pub enable_package_relay: bool,
    pub max_package_count: usize,
    pub max_package_vsize: u64,
}

Configuration options for the transaction memory pool.

Fields

max_size_bytes: usize

Maximum size of the mempool in bytes (default: 300 * 1_000_000)

expiry_seconds: u32

Number of seconds to keep transactions in the mempool (default: 336 * 60 * 60)

min_relay_feerate: u64

Minimum fee rate in satoshis per KB for a transaction to be accepted.

dust_relay_feerate: u64

Minimum fee rate in satoshis per KB for a transaction to be accepted.

max_datacarrier_bytes: usize

A data carrying output is an unspendable output containing data. The script type is designated as TxoutType::NULL_DATA.

Maximum size of TxoutType::NULL_DATA scripts that this node considers standard. If nullopt, any size is nonstandard.

permit_bare_multisig: bool

Whether to require standard transactions

require_standard: bool

Whether to require standard transactions

max_script_cache_size: usize

Maximum script verification cache size

limits: MemPoolLimits

enable_rbf: bool

Whether to enable RBF (BIP125).

max_replacement_txs: usize

Maximum number of transactions that can be replaced (BIP125 Rule 6).

enable_package_relay: bool

Enable package relay/CPFP.

max_package_count: usize

Maximum number of transactions in a package.

max_package_vsize: u64

Maximum total virtual size of package in vbytes.

Implementations

impl MemPoolOptions

pub fn new() -> Self

Create new mempool options with default values

pub fn builder() -> MemPoolOptionsBuilder

Create a builder for configuring mempool options

pub fn max_size_bytes(&self) -> usize

Get the maximum size of the mempool in bytes

pub fn expiry_duration(&self) -> Duration

Get the expiry duration

pub fn max_ancestors(&self) -> usize

Get maximum number of ancestors

pub fn max_ancestor_size(&self) -> i64

Get maximum ancestor size

pub fn max_descendants(&self) -> u64

Get maximum number of descendants

pub fn max_descendant_size(&self) -> i64

Get maximum descendant size

pub fn min_relay_fee_rate(&self) -> FeeRate

Get the minimum relay fee rate as FeeRate

Trait Implementations

impl Clone for MemPoolOptions

fn clone(&self) -> MemPoolOptions

Returns a duplicate of the value.

const fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for MemPoolOptions

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for MemPoolOptions

fn default() -> Self

Returns the “default value” for a type.