Struct LedgerQuota 

pub struct LedgerQuota {
    pub memory_bytes: u64,
    pub frame_count: u64,
    pub connection_count: u64,
}

账本令牌数据

Fields

memory_bytes: u64

内存配额（字节）

frame_count: u64

Frame 配额

connection_count: u64

连接配额

Implementations

impl LedgerQuota

pub const fn zero() -> LedgerQuota

创建零配额

pub const fn unlimited() -> LedgerQuota

创建无限配额（仅用于根账本配置边界）

pub fn can_allocate(&self, child: &LedgerQuota) -> Result<(), CoreError>

逐项检查子配额是否可以被父账本容纳

pub fn consume( &mut self, resource: ResourceType, amount: u64, ) -> Result<(), CoreError>

消耗指定类型的配额（checked arithmetic）

pub fn restore( &mut self, resource: ResourceType, amount: u64, ) -> Result<(), CoreError>

归还指定类型的配额（checked arithmetic）

pub fn get(&self, resource: ResourceType) -> u64

获取指定类型的值

pub fn remaining(&self, used: &LedgerQuota) -> LedgerQuota

计算剩余配额 = total - used（饱和减法）

Trait Implementations

impl Clone for LedgerQuota

fn clone(&self) -> LedgerQuota

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for LedgerQuota

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

Formats the value using the given formatter.

impl Default for LedgerQuota

fn default() -> LedgerQuota

Returns the “default value” for a type.