BitVectorQc

hotshot_types::qc

Struct BitVectorQc 

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pub struct BitVectorQc<A: AggregateableSignatureSchemes + Serialize + for<'a> Deserialize<'a>>(PhantomData<A>);
Expand description

An implementation of QC using BLS signature and a bit-vector.

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§0: PhantomData<A>

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impl<'de, A: AggregateableSignatureSchemes + Serialize + for<'a> Deserialize<'a>> Deserialize<'de> for BitVectorQc<A>

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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<A> QuorumCertificateScheme<A> for BitVectorQc<A>
where A: AggregateableSignatureSchemes, A::VerificationKey: SignatureKey,

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fn sign<R: CryptoRng + RngCore, M: AsRef<[A::MessageUnit]>>( pp: &A::PublicParameter, sk: &A::SigningKey, msg: M, prng: &mut R, ) -> Result<A::Signature, SignatureError>

Sign a message with the signing key

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type QcProverParams<'a> = QcParams<'a, <A as SignatureScheme>::VerificationKey, <A as SignatureScheme>::PublicParameter>

Public parameters for generating the QC E.g: snark proving/verifying keys, list of (or pointer to) public keys stored in the smart contract.
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type QcVerifierParams<'a> = QcParams<'a, <A as SignatureScheme>::VerificationKey, <A as SignatureScheme>::PublicParameter>

Public parameters for validating the QC E.g: verifying keys, stake table commitment
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type Qc = (<A as SignatureScheme>::Signature, BitVec)

Type of the actual quorum certificate object
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type MessageLength = UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>

Allows to fix the size of the message at compilation time.
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type QuorumSize = Uint<256, 4>

Type of the quorum size (e.g. number of votes or accumulated weight of signatures)
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fn assemble( qc_pp: &Self::QcProverParams<'_>, signers: &BitSlice, sigs: &[A::Signature], ) -> Result<Self::Qc, SignatureError>

Computes an aggregated signature from a set of partial signatures and the verification keys involved Read more
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fn check( qc_vp: &Self::QcVerifierParams<'_>, message: &GenericArray<A::MessageUnit, Self::MessageLength>, qc: &Self::Qc, ) -> Result<Self::QuorumSize, SignatureError>

Checks an aggregated signature over some message provided as input Read more
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fn trace( qc_vp: &Self::QcVerifierParams<'_>, message: &GenericArray<A::MessageUnit, Self::MessageLength>, qc: &Self::Qc, ) -> Result<Vec<A::VerificationKey>, SignatureError>

Trace the list of signers given a qc. Read more
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impl<A: AggregateableSignatureSchemes + Serialize + for<'a> Deserialize<'a>> Serialize for BitVectorQc<A>

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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

Auto Trait Implementations§

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impl<A> Freeze for BitVectorQc<A>

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impl<A> RefUnwindSafe for BitVectorQc<A>
where A: RefUnwindSafe,

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impl<A> Send for BitVectorQc<A>

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impl<A> Sync for BitVectorQc<A>

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impl<A> Unpin for BitVectorQc<A>
where A: Unpin,

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impl<A> UnwindSafe for BitVectorQc<A>
where A: UnwindSafe,

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