pub enum CommitmentLevel {
    Max,
    Recent,
    Root,
    Single,
    SingleGossip,
    Processed,
    Confirmed,
    Finalized,
}
Expand description

An attribute of a slot. It describes how finalized a block is at some point in time. For example, a slot is said to be at the max level immediately after the cluster recognizes the block at that slot as finalized. When querying the ledger state, use lower levels of commitment to report progress and higher levels to ensure state changes will not be rolled back.

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Max

👎Deprecated since 1.5.5: Please use CommitmentLevel::Finalized instead

(DEPRECATED) The highest slot having reached max vote lockout, as recognized by a supermajority of the cluster.

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Recent

👎Deprecated since 1.5.5: Please use CommitmentLevel::Processed instead

(DEPRECATED) The highest slot of the heaviest fork. Ledger state at this slot is not derived from a finalized block, but if multiple forks are present, is from the fork the validator believes is most likely to finalize.

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Root

👎Deprecated since 1.5.5: Please use CommitmentLevel::Finalized instead

(DEPRECATED) The highest slot having reached max vote lockout.

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Single

👎Deprecated since 1.5.5: Please use CommitmentLevel::Confirmed instead

(DEPRECATED) The highest slot having reached 1 confirmation by supermajority of the cluster.

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SingleGossip

👎Deprecated since 1.5.5: Please use CommitmentLevel::Confirmed instead

(DEPRECATED) The highest slot that has been voted on by supermajority of the cluster This differs from single in that:

  1. It incorporates votes from gossip and replay.
  2. It does not count votes on descendants of a block, only direct votes on that block.
  3. This confirmation level also upholds “optimistic confirmation” guarantees in release 1.3 and onwards.
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Processed

The highest slot of the heaviest fork processed by the node. Ledger state at this slot is not derived from a confirmed or finalized block, but if multiple forks are present, is from the fork the validator believes is most likely to finalize.

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Confirmed

The highest slot that has been voted on by supermajority of the cluster, ie. is confirmed. Confirmation incorporates votes from gossip and replay. It does not count votes on descendants of a block, only direct votes on that block, and upholds “optimistic confirmation” guarantees in release 1.3 and onwards.

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Finalized

The highest slot having reached max vote lockout, as recognized by a supermajority of the cluster.

Trait Implementations§

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impl Clone for CommitmentLevel

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fn clone(&self) -> CommitmentLevel

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 Debug for CommitmentLevel

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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 CommitmentLevel

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fn default() -> Self

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

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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 Display for CommitmentLevel

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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 FromStr for CommitmentLevel

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type Err = ParseCommitmentLevelError

The associated error which can be returned from parsing.
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fn from_str(s: &str) -> Result<Self, Self::Err>

Parses a string s to return a value of this type. Read more
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impl Hash for CommitmentLevel

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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<CommitmentLevel> for CommitmentLevel

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

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

This method 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 CommitmentLevel

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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 CommitmentLevel

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impl Eq for CommitmentLevel

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impl StructuralEq for CommitmentLevel

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impl StructuralPartialEq for CommitmentLevel

Auto Trait Implementations§

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impl<T> AbiEnumVisitor for Twhere T: Serialize + AbiExample + ?Sized,

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default fn visit_for_abi( &self, digester: &mut AbiDigester ) -> Result<AbiDigester, DigestError>

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impl<T> AbiEnumVisitor for Twhere T: Serialize + ?Sized,

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default fn visit_for_abi( &self, _digester: &mut AbiDigester ) -> Result<AbiDigester, DigestError>

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impl<T> AbiExample for T

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default fn example() -> T

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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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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> Pointable for T

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const ALIGN: usize = mem::align_of::<T>()

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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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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type Owned = T

The resulting type after obtaining ownership.
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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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default fn to_string(&self) -> String

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

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type Error = Infallible

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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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Performs the conversion.
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