L1Snapshot

espresso_types::v0::v0_1

Struct L1Snapshot 

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pub struct L1Snapshot {
    pub head: u64,
    pub finalized: Option<L1BlockInfo>,
}

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§head: u64

The relevant snapshot of the L1 includes a reference to the current head of the L1 chain.

Note that the L1 head is subject to changing due to a reorg. However, no reorg will change the number of this block in the chain: L1 block numbers will always be sequentially increasing. Therefore, the sequencer does not have to worry about reorgs invalidating this snapshot.

§finalized: Option<L1BlockInfo>

The snapshot also includes information about the latest finalized L1 block.

Since this block is finalized (ie cannot be reorged) we can include specific information about the particular block, such as its hash and timestamp.

This block may be None in the rare case where Espresso has started shortly after the genesis of the L1, and the L1 has yet to finalize a block. In all other cases it will be Some.

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impl Clone for L1Snapshot

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fn clone(&self) -> L1Snapshot

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for L1Snapshot

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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 Default for L1Snapshot

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fn default() -> L1Snapshot

Returns the “default value” for a type. Read more
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impl<'de> Deserialize<'de> for L1Snapshot

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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 Hash for L1Snapshot

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl PartialEq for L1Snapshot

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fn eq(&self, other: &L1Snapshot) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Serialize for L1Snapshot

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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 Copy for L1Snapshot

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impl Eq for L1Snapshot

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impl StructuralPartialEq for L1Snapshot

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