Struct storage_interface::in_memory_state::InMemoryState

source · [−]

pub struct InMemoryState {
    pub checkpoint: SparseMerkleTree<StateValue>,
    pub checkpoint_version: Option<Version>,
    pub current: SparseMerkleTree<StateValue>,
    pub updated_since_checkpoint: HashSet<StateKey>,
}

Expand description

This represents the state at a certain version in memory.

The checkpoint is deemed persisted in DB. The current is in memory only. updated_since_checkpoint tracks all those keys that’s changed since the checkpoint, useful when the next checkpoint is calculated (the state values are assumed to be on the SMT nodes, so only the keys are tracked).

Fields

checkpoint: SparseMerkleTree<StateValue>checkpoint_version: Option<Version>current: SparseMerkleTree<StateValue>updated_since_checkpoint: HashSet<StateKey>

Struct storage_interface::in_memory_state::InMemoryState

Fields

Implementations

impl InMemoryState

pub fn new( checkpoint: SparseMerkleTree<StateValue>, checkpoint_version: Option<Version>, current: SparseMerkleTree<StateValue>, updated_since_checkpoint: HashSet<StateKey>) -> Self

pub fn new_empty() -> Self

pub fn new_at_checkpoint( root_hash: HashValue, checkpoint_version: Option<Version>) -> Self

pub fn checkpoint_root_hash(&self) -> HashValue

pub fn root_hash(&self) -> HashValue

Trait Implementations

impl Clone for InMemoryState

fn clone(&self) -> InMemoryState

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

impl Debug for InMemoryState

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

Auto Trait Implementations

impl RefUnwindSafe for InMemoryState

impl Send for InMemoryState

impl Sync for InMemoryState

impl Unpin for InMemoryState

impl UnwindSafe for InMemoryState

Blanket Implementations

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pub fn new(
checkpoint: SparseMerkleTree<StateValue>,
checkpoint_version: Option<Version>,
current: SparseMerkleTree<StateValue>,
updated_since_checkpoint: HashSet<StateKey>
) -> Self

pub fn new_at_checkpoint(
root_hash: HashValue,
checkpoint_version: Option<Version>
) -> Self

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