iota_types::transaction

Struct ChangeEpochV3

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pub struct ChangeEpochV3 {
    pub epoch: EpochId,
    pub protocol_version: ProtocolVersion,
    pub storage_charge: u64,
    pub computation_charge: u64,
    pub computation_charge_burned: u64,
    pub storage_rebate: u64,
    pub non_refundable_storage_fee: u64,
    pub epoch_start_timestamp_ms: u64,
    pub system_packages: Vec<(SequenceNumber, Vec<Vec<u8>>, Vec<ObjectID>)>,
    pub eligible_active_validators: Vec<u64>,
}
Expand description

System transaction for advancing the epoch. This version includes active validator indices that are eligible to take part in committee selection based on protocol version support.

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§epoch: EpochId

The next (to become) epoch ID.

§protocol_version: ProtocolVersion

The protocol version in effect in the new epoch.

§storage_charge: u64

The total amount of gas charged for storage during the epoch.

§computation_charge: u64

The total amount of gas charged for computation during the epoch.

§computation_charge_burned: u64

The burned component of the total computation/execution costs.

§storage_rebate: u64

The amount of storage rebate refunded to the txn senders.

§non_refundable_storage_fee: u64

The amount of storage rebate that is burnt due to the gas_price. It’s given that storage_rebate + non_refundable_storage_fee is always equal to the storage_charge of the tx.

§epoch_start_timestamp_ms: u64

Unix timestamp from the start of the epoch as milliseconds

§system_packages: Vec<(SequenceNumber, Vec<Vec<u8>>, Vec<ObjectID>)>

System packages (specifically framework and move stdlib) that are written by the execution of this transaction. Validators must write out the modules below. Modules are provided with the version they will be upgraded to, their modules in serialized form (which include their package ID), and a list of their transitive dependencies.

§eligible_active_validators: Vec<u64>

Vector of active validator indices eligible to take part in committee selection because they support the new, target protocol version.

Trait Implementations§

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impl Clone for ChangeEpochV3

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fn clone(&self) -> ChangeEpochV3

Returns a copy of the value. Read more
1.0.0 · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for ChangeEpochV3

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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 ChangeEpochV3

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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 ChangeEpochV3

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

Feeds this value into the given Hasher. Read more
1.3.0 · Source§

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 ChangeEpochV3

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fn eq(&self, other: &ChangeEpochV3) -> bool

Tests for self and other values to be equal, and is used by ==.
1.0.0 · Source§

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 ChangeEpochV3

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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 Eq for ChangeEpochV3

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impl StructuralPartialEq for ChangeEpochV3

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