Struct bm_le::List

pub struct List<R, C>(_)
 where
    C: Construct,
    R: RootStatus;

Binary merkle vector.

Methods

impl<R, C> List<R, C> where
    C: Construct,
    R: RootStatus,
    <C as Construct>::End: From<usize>,
    <C as Construct>::End: Into<usize>, 

pub fn get<DB>(
    &self,
    db: &mut DB,
    index: usize
) -> Result<Value<<C as Construct>::Intermediate, <C as Construct>::End>, Error<<DB as Backend>::Error>> where
    DB: ReadBackend<Construct = C>, 

Get value at index.

pub fn set<DB>(
    &mut self,
    db: &mut DB,
    index: usize,
    value: Value<<C as Construct>::Intermediate, <C as Construct>::End>
) -> Result<(), Error<<DB as Backend>::Error>> where
    DB: WriteBackend<Construct = C>, 

Set value at index.

pub fn push<DB>(
    &mut self,
    db: &mut DB,
    value: Value<<C as Construct>::Intermediate, <C as Construct>::End>
) -> Result<(), Error<<DB as Backend>::Error>> where
    DB: WriteBackend<Construct = C>, 

Push a new value to the vector.

pub fn pop<DB>(
    &mut self,
    db: &mut DB
) -> Result<Option<Value<<C as Construct>::Intermediate, <C as Construct>::End>>, Error<<DB as Backend>::Error>> where
    DB: WriteBackend<Construct = C>, 

Pop a value from the vector.

pub fn deconstruct<DB>(
    self,
    db: &mut DB
) -> Result<Value<<C as Construct>::Intermediate, <C as Construct>::End>, Error<<DB as Backend>::Error>> where
    DB: ReadBackend<Construct = C>, 

Deconstruct the vector into one single hash value, and leak only the hash value.

pub fn reconstruct<DB>(
    root: Value<<C as Construct>::Intermediate, <C as Construct>::End>,
    db: &mut DB,
    max_len: Option<usize>
) -> Result<List<R, C>, Error<<DB as Backend>::Error>> where
    DB: WriteBackend<Construct = C>, 

Reconstruct the vector from a single hash value.

impl<C> List<Owned, C> where
    C: Construct,
    <C as Construct>::End: From<usize>,
    <C as Construct>::End: Into<usize>, 

pub fn create<DB>(
    db: &mut DB,
    max_len: Option<usize>
) -> Result<List<Owned, C>, Error<<DB as Backend>::Error>> where
    DB: WriteBackend<Construct = C>, 

Create a new vector.

Trait Implementations

impl<R, C> Tree for List<R, C> where
    C: Construct,
    R: RootStatus,
    <C as Construct>::End: From<usize>,
    <C as Construct>::End: Into<usize>, 

type RootStatus = R

Root status of the tree.

type Construct = C

Construct of the tree.

fn root(&self) -> Value<<C as Construct>::Intermediate, <C as Construct>::End>

Root of the merkle tree.

fn drop<DB>(self, db: &mut DB) -> Result<(), Error<<DB as Backend>::Error>> where
    DB: WriteBackend<Construct = C>, 

Drop the merkle tree.

fn into_raw(self) -> Raw<R, C>

Convert the tree into a raw tree.

impl<R, C> Leak for List<R, C> where
    C: Construct,
    R: RootStatus,
    <C as Construct>::End: From<usize>,
    <C as Construct>::End: Into<usize>, 

type Metadata = <LengthMixed<R, C, Vector<Dangling, C>> as Leak>::Metadata

Metadata to represent this merkle struct.

fn metadata(&self) -> <List<R, C> as Leak>::Metadata

Metadata of the value.

fn from_leaked(metadata: <List<R, C> as Leak>::Metadata) -> List<R, C>

Initialize from a previously leaked value.

impl<R, C> Sequence for List<R, C> where
    C: Construct,
    R: RootStatus,
    <C as Construct>::End: From<usize>,
    <C as Construct>::End: Into<usize>, 

fn len(&self) -> usize

The length of the tree.