Struct Ledger 

pub struct Ledger { /* private fields */ }

Implementations

impl Ledger

pub fn new(policy: CostPolicy) -> Self

pub fn mode(&self) -> CostMode

pub fn units_for(&self, bound: CostBound) -> Result<u64, Refused>

The units a call with this disclosure reserves under this ledger’s mode, or why it cannot be dispatched (spec 003, 3.5.3).

pub fn reserve(&self, units: u64) -> Result<(), Refused>

Reserve units atomically, or refuse.

pub fn release(&self, units: u64)

Release a reservation that was never dispatched.

pub fn settle( &self, attempt_id: &str, reserved: u64, charge: Charge, bounded: bool, )

Settle a dispatched attempt’s reservation (spec 003, 3.5.4). bounded says whether the reservation was an enforceable bound.

pub fn reconcile(&self, attempt_id: &str, observed: u64) -> bool

A later observed charge for an attempt whose cost was unknown (spec 003, 3.5.5). Returns false when the attempt has no open liability.

pub fn reserved(&self) -> u64

Units reserved and not yet settled.

pub fn summary(&self) -> CostSummary

Trait Implementations

impl Debug for Ledger

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

Formats the value using the given formatter.