Struct ProposalWindow

pub struct ProposalWindow(pub BlockNumber, pub BlockNumber);

The struct represent CKB two-step-transaction-confirmation params

two-step-transaction-confirmation params

The ProposalWindow consists of two fields: self.0, aka w_close, self.1, aka w_far w_close and w_far define the closest and farthest on-chain distance between a transaction’s proposal and commitment.

Tuple Fields

0: BlockNumber

1: BlockNumber

Implementations

impl ProposalWindow

Two protocol parameters w_close and w_far define the closest and farthest on-chain distance between a transaction’s proposal and commitment.

A non-cellbase transaction is committed at height h_c if all of the following conditions are met:

1. it is proposed at height h_p of the same chain, where w_close <= h_c − h_p <= w_far ;
2. it is in the commitment zone of the main chain block with height h_c ;

ProposalWindow (2, 10)
    propose
       \
        \
        13 14 [15 16 17 18 19 20 21 22 23]
               \_______________________/
                            \
                          commit

pub fn closest(&self) -> BlockNumber

The w_close parameter

pub fn farthest(&self) -> BlockNumber

The w_far parameter

pub fn length(&self) -> BlockNumber

The proposal window length

Trait Implementations

impl Clone for ProposalWindow

fn clone(&self) -> ProposalWindow

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for ProposalWindow

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

Formats the value using the given formatter.

impl PartialEq for ProposalWindow

fn eq(&self, other: &ProposalWindow) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for ProposalWindow

impl Eq for ProposalWindow

impl StructuralPartialEq for ProposalWindow