Struct backup_cli::backup_types::state_snapshot::manifest::StateSnapshotBackup

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pub struct StateSnapshotBackup {
    pub version: Version,
    pub root_hash: HashValue,
    pub chunks: Vec<StateSnapshotChunk>,
    pub proof: FileHandle,
}
Expand description

State snapshot backup manifest, representing a complete state view at specified version.

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§version: Version

Version at which this state snapshot is taken.

§root_hash: HashValue

Hash of the state tree root.

§chunks: Vec<StateSnapshotChunk>

All account blobs in chunks.

§proof: FileHandle

BCS serialized Tuple(TransactionInfoWithProof, LedgerInfoWithSignatures).

  • The TransactionInfoWithProof is at Version above, and carries the same root_hash above; It proves that at specified version the root hash is as specified in a chain represented by the LedgerInfo below.
  • The signatures on the LedgerInfoWithSignatures has a version greater than or equal to the version of this backup but is within the same epoch, so the signatures on it can be verified by the validator set in the same epoch, which can be provided by an EpochStateBackup recovered prior to this to the DB; Requiring it to be in the same epoch limits the requirement on such EpochStateBackup to no older than the same epoch.

Trait Implementations§

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impl<'de> Deserialize<'de> for StateSnapshotBackup

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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 StateSnapshotBackup

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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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