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SnapAttempt

reth_db_api::models::snap

Struct SnapAttempt 

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pub struct SnapAttempt { /* private fields */ }
Expand description

The snap synchronization attempt that owns the downloaded state.

Snap writes land in the canonical hashed state tables, so this record is what separates state a live attempt is filling in from what an abandoned one left behind. It is never deleted: an abandoned attempt keeps its identity, so a later attempt can never take it.

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impl SnapAttempt

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pub const fn start( previous: Option<Self>, pivot: BlockNumHash, state_root: B256, ) -> Self

Creates the record for an attempt superseding previous.

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pub const fn id(&self) -> SnapAttemptId

Identity of this attempt.

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pub const fn pivot(&self) -> BlockNumHash

Pivot block the downloaded state is anchored to.

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pub const fn state_root(&self) -> B256

Root downloaded ranges authenticate against.

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pub const fn state_version(&self) -> u64

Generation of the pivot this attempt is anchored to.

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pub const fn is_unfinished(&self) -> bool

Returns whether the downloaded state is still incomplete.

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pub const fn is_verified(&self) -> bool

Returns whether the reconstructed trie root matched the target header.

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pub const fn re_anchor(&mut self, pivot: BlockNumHash, state_root: B256)

Re-anchors this attempt, superseding writes proved against the previous root.

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pub const fn verify(&mut self)

Marks the downloaded state verified.

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pub const fn abandon(&mut self)

Gives up on the downloaded state, keeping this identity taken.

Trait Implementations§

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impl Clone for SnapAttempt

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fn clone(&self) -> SnapAttempt

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Copy for SnapAttempt

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impl Debug for SnapAttempt

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

Formats the value using the given formatter. Read more
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impl<'de> Deserialize<'de> for SnapAttempt

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Eq for SnapAttempt

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impl PartialEq for SnapAttempt

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

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

Inequality operator !=. Read more
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impl Serialize for SnapAttempt

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl StructuralPartialEq for SnapAttempt

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impl<T> Any for T
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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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fn borrow_mut(&mut self) -> &mut T

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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit #126799)
Performs copy-assignment from self to dest. Read more
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Compare self to key and return true if they are equal.
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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 96 bytes