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16 lines
761 B
16 lines
761 B
use ark_ff::PrimeField;
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use ark_serialize::CanonicalSerialize;
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/// Transcript is the application level transcript to derive the challenges
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/// needed for Fiat Shamir during aggregation. It is given to the
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/// prover/verifier so that the transcript can be fed with any other data first.
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/// TODO: Make this trait the only Transcript trait
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pub trait Transcript {
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fn domain_sep(&mut self);
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fn append<S: CanonicalSerialize>(&mut self, label: &'static [u8], point: &S);
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fn challenge_scalar<F: PrimeField>(&mut self, label: &'static [u8]) -> F;
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fn challenge_scalar_vec<F: PrimeField>(&mut self, label: &'static [u8], n: usize) -> Vec<F> {
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(0..n).map(|_| self.challenge_scalar(label)).collect()
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}
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}
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pub use crate::poseidon_transcript::TranscriptWriter;
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