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EpochInfoV2

iota_types::storage

Struct EpochInfoV2 

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pub struct EpochInfoV2 {
    pub epoch: u64,
    pub start_checkpoint: CheckpointSequenceNumber,
    pub start_timestamp_ms: u64,
    pub system_state: IotaSystemState,
    pub epoch_close_proof: Option<EpochInfoV1Entry>,
}
Expand description

Epoch information structure for indexing.

Stores only the start-of-epoch identity (epoch, start_checkpoint, start_timestamp_ms, system_state) plus the close-of-epoch epoch_close_proof. Everything derivable from those — protocol_version, reference_gas_price, end_timestamp_ms, end_checkpoint — is a method, not a stored field.

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§epoch: u64§start_checkpoint: CheckpointSequenceNumber§start_timestamp_ms: u64§system_state: IotaSystemState

IotaSystemState of object 0x5 at this epoch’s start.

§epoch_close_proof: Option<EpochInfoV1Entry>

Close-of-epoch proof bundle; None until this epoch’s boundary is indexed. The row is finalized exactly when this is Some.

Implementations§

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impl EpochInfoV2

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pub fn is_finalized(&self) -> bool

Whether this epoch’s boundary has been indexed.

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pub fn protocol_version(&self) -> u64

Protocol version in effect this epoch (from the start system state).

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pub fn reference_gas_price(&self) -> u64

Reference gas price for this epoch (from the start system state).

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pub fn end_timestamp_ms(&self) -> Option<u64>

Timestamp of this epoch’s last checkpoint; None until finalized.

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pub fn end_checkpoint(&self) -> Option<CheckpointSequenceNumber>

This epoch’s last checkpoint sequence number; None until finalized.

Trait Implementations§

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impl Clone for EpochInfoV2

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fn clone(&self) -> EpochInfoV2

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 Debug for EpochInfoV2

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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 EpochInfoV2

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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 Serialize for EpochInfoV2

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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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