pub enum TrustedStateChange<'a> {
    Version {
        new_state: TrustedState,
    },
    Epoch {
        new_state: TrustedState,
        latest_epoch_change_li: &'a LedgerInfoWithSignatures,
    },
    NoChange,
}
Expand description

TrustedStateChange is the result of attempting to ratchet to a new trusted state. In order to reduce redundant error checking, TrustedStateChange also contains references to relevant items used to ratchet us.

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Version

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§new_state: TrustedState

We have a newer TrustedState but it’s still in the same epoch, so only the latest trusted version changed.

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Epoch

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§new_state: TrustedState
§latest_epoch_change_li: &'a LedgerInfoWithSignatures

We have a newer TrustedState and there was at least one epoch change, so we have a newer trusted version and a newer trusted validator set.

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NoChange

The latest ledger info is at the same version as the trusted state and matches the hash.

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Trait Implementations§

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impl<'a> Clone for TrustedStateChange<'a>

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fn clone(&self) -> TrustedStateChange<'a>

Returns a copy 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<'a> Debug for TrustedStateChange<'a>

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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<T> Any for Twhere T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for Twhere T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for Twhere U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> Same<T> for T

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type Output = T

Should always be Self
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impl<T> ToOwned for Twhere T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for Twhere V: MultiLane<T>,

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fn vzip(self) -> V