Struct mithril_common::entities::Certificate

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pub struct Certificate {
    pub hash: String,
    pub previous_hash: String,
    pub epoch: Epoch,
    pub metadata: CertificateMetadata,
    pub protocol_message: ProtocolMessage,
    pub signed_message: String,
    pub aggregate_verification_key: ProtocolAggregateVerificationKey,
    pub signature: CertificateSignature,
}
Expand description

Certificate represents a Mithril certificate embedding a Mithril STM multisignature

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§hash: String

Hash of the current certificate Computed from the other fields of the certificate aka H(Cp,n))

§previous_hash: String

Hash of the previous certificate in the chain This is either the hash of the first certificate of the epoch in the chain Or the first certificate of the previous epoch in the chain (if the certificate is the first of its epoch) aka H(FC(n))

§epoch: Epoch

Cardano chain epoch number

§metadata: CertificateMetadata

Certificate metadata aka METADATA(p,n)

§protocol_message: ProtocolMessage

Structured message that is used to create the signed message aka MSG(p,n) U AVK(n-1)

§signed_message: String

Message that is signed by the signers aka H(MSG(p,n) || AVK(n-1))

§aggregate_verification_key: ProtocolAggregateVerificationKey

Aggregate verification key The AVK used to sign during the current epoch aka AVK(n-2)

§signature: CertificateSignature

Certificate signature

Implementations§

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impl Certificate

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pub fn new<T: Into<String>>( previous_hash: T, epoch: Epoch, metadata: CertificateMetadata, protocol_message: ProtocolMessage, aggregate_verification_key: ProtocolAggregateVerificationKey, signature: CertificateSignature ) -> Certificate

Certificate factory

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pub fn compute_hash(&self) -> String

Computes the hash of a Certificate

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pub fn is_genesis(&self) -> bool

Tell if the certificate is a genesis certificate

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pub fn is_chaining_to_itself(&self) -> bool

Return true if the certificate is chaining into itself (meaning that its hash and previous hash are equal).

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pub fn match_message(&self, message: &ProtocolMessage) -> bool

Check that the certificate signed message match the given protocol message.

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pub fn signed_entity_type(&self) -> SignedEntityType

Get the certificate signed entity type.

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pub fn as_cardano_db_beacon(&self) -> CardanoDbBeacon

Deduce a CardanoDbBeacon from this certificate values.

Trait Implementations§

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impl Clone for Certificate

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fn clone(&self) -> Certificate

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 Certificate

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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 PartialEq for Certificate

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fn eq(&self, other: &Self) -> 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 TryFrom<Certificate> for CertificateMessage

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(certificate: Certificate) -> Result<Self, Self::Error>

Performs the conversion.
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impl TryFrom<CertificateMessage> for Certificate

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from( certificate_message: CertificateMessage ) -> Result<Self, Self::Error>

Performs the conversion.

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