Struct EvmTranscript Copy item path

impl<C> EvmTranscript<C, Rc<EvmLoader>, usize, MemoryChunk>
where C: CurveAffine, C::Scalar: PrimeField<Repr = [u8; 32]>,

pub fn new(loader: &Rc<EvmLoader>) -> Self

Initialize EvmTranscript given Rc<EvmLoader> and pre-allocate an u256 for transcript_initial_state.

pub fn load_instances(&mut self, num_instance: Vec<usize>) -> Vec<Vec<Scalar>>

Load num_instance instances from calldata to memory.

impl<C, S> EvmTranscript<C, NativeLoader, S, Vec<u8>>
where C: CurveAffine,

pub fn new(stream: S) -> Self

Initialize EvmTranscript given readable or writeable stream for verifying or proving with NativeLoader.

impl<C, S> EvmTranscript<C, NativeLoader, S, Vec<u8>>
where C: CurveAffine, S: Write,

pub fn stream_mut(&mut self) -> &mut S

Returns mutable stream.

pub fn finalize(self) -> S

Finalize transcript and returns stream.

Trait Implementations§

impl<C: Debug + CurveAffine, L: Debug + Loader<C>, S: Debug, B: Debug> Debug for EvmTranscript<C, L, S, B>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

impl<C, S> Transcript<C, ChallengeEvm<C>> for EvmTranscript<C, NativeLoader, S, Vec<u8>>
where C: CurveAffine, C::Scalar: PrimeField<Repr = [u8; 32]>,

fn squeeze_challenge(&mut self) -> ChallengeEvm<C>

Squeeze an encoded verifier challenge from the transcript.

fn common_point(&mut self, ec_point: C) -> Result<()>

Writing the point to the transcript without writing it to the proof, treating it as a common input.

fn common_scalar(&mut self, scalar: C::Scalar) -> Result<()>

Writing the scalar to the transcript without writing it to the proof, treating it as a common input.

fn squeeze_challenge_scalar<T>(&mut self) -> ChallengeScalar<C, T>

Squeeze a typed challenge (in the scalar field) from the transcript.

impl<C, S> Transcript<C, NativeLoader> for EvmTranscript<C, NativeLoader, S, Vec<u8>>
where C: CurveAffine, C::Scalar: PrimeField<Repr = [u8; 32]>,

fn loader(&self) -> &NativeLoader

Returns Loader.

fn squeeze_challenge(&mut self) -> C::Scalar

Squeeze a challenge.

fn common_ec_point(&mut self, ec_point: &C) -> Result<(), Error>

Update with an elliptic curve point.

fn common_scalar(&mut self, scalar: &C::Scalar) -> Result<(), Error>

Update with a scalar.

fn squeeze_n_challenges(&mut self, n: usize) -> Vec<L::LoadedScalar>

Squeeze n challenges.

impl<C> Transcript<C, Rc<EvmLoader>> for EvmTranscript<C, Rc<EvmLoader>, usize, MemoryChunk>
where C: CurveAffine, C::Scalar: PrimeField<Repr = [u8; 32]>,

fn squeeze_challenge(&mut self) -> Scalar

Does not allow the input to be a one-byte sequence, because the Transcript trait only supports writing scalars and elliptic curve points. If the one-byte sequence [0x01] is a valid input to the transcript, the empty input [] will have the same transcript result as [0x01].

fn loader(&self) -> &Rc<EvmLoader>

Returns Loader.

fn common_ec_point(&mut self, ec_point: &EcPoint) -> Result<(), Error>

Update with an elliptic curve point.

fn common_scalar(&mut self, scalar: &Scalar) -> Result<(), Error>

Update with a scalar.

fn squeeze_n_challenges(&mut self, n: usize) -> Vec<L::LoadedScalar>

Squeeze n challenges.

impl<C, R: Read> TranscriptRead<C, ChallengeEvm<C>> for EvmTranscript<C, NativeLoader, R, Vec<u8>>
where C: CurveAffine, C::Scalar: PrimeField<Repr = [u8; 32]>,

fn read_point(&mut self) -> Result<C>

Read a curve point from the prover.

fn read_scalar(&mut self) -> Result<C::Scalar>

Read a curve scalar from the prover.

impl<C, S> TranscriptRead<C, NativeLoader> for EvmTranscript<C, NativeLoader, S, Vec<u8>>
where C: CurveAffine, C::Scalar: PrimeField<Repr = [u8; 32]>, S: Read,

fn read_scalar(&mut self) -> Result<C::Scalar, Error>

Read a scalar.

fn read_ec_point(&mut self) -> Result<C, Error>

Read a elliptic curve point.

fn read_n_scalars(&mut self, n: usize) -> Result<Vec<L::LoadedScalar>, Error>

Read n scalar.

fn read_n_ec_points(&mut self, n: usize) -> Result<Vec<L::LoadedEcPoint>, Error>

Read n elliptic curve point.

impl<C> TranscriptRead<C, Rc<EvmLoader>> for EvmTranscript<C, Rc<EvmLoader>, usize, MemoryChunk>
where C: CurveAffine, C::Scalar: PrimeField<Repr = [u8; 32]>,

fn read_scalar(&mut self) -> Result<Scalar, Error>

Read a scalar.

fn read_ec_point(&mut self) -> Result<EcPoint, Error>

Read a elliptic curve point.

fn read_n_scalars(&mut self, n: usize) -> Result<Vec<L::LoadedScalar>, Error>

Read n scalar.

fn read_n_ec_points(&mut self, n: usize) -> Result<Vec<L::LoadedEcPoint>, Error>

Read n elliptic curve point.

impl<C, R: Read> TranscriptReadBuffer<R, C, ChallengeEvm<C>> for EvmTranscript<C, NativeLoader, R, Vec<u8>>
where C: CurveAffine, C::Scalar: PrimeField<Repr = [u8; 32]>,

fn init(reader: R) -> Self

Initialize a transcript given an input buffer.

impl<C, W: Write> TranscriptWrite<C, ChallengeEvm<C>> for EvmTranscript<C, NativeLoader, W, Vec<u8>>
where C: CurveAffine, C::Scalar: PrimeField<Repr = [u8; 32]>,

fn write_point(&mut self, ec_point: C) -> Result<()>

Write a curve point to the proof and the transcript.

fn write_scalar(&mut self, scalar: C::Scalar) -> Result<()>

Write a scalar to the proof and the transcript.

impl<C, W: Write> TranscriptWriterBuffer<W, C, ChallengeEvm<C>> for EvmTranscript<C, NativeLoader, W, Vec<u8>>
where C: CurveAffine, C::Scalar: PrimeField<Repr = [u8; 32]>,

fn init(writer: W) -> Self

Initialize a transcript given an output buffer.

fn finalize(self) -> W

Conclude the interaction and return the output buffer (writer).

Auto Trait Implementations§

impl<C, L, S, B> Freeze for EvmTranscript<C, L, S, B>
where L: Freeze, S: Freeze, B: Freeze,

impl<C, L, S, B> RefUnwindSafe for EvmTranscript<C, L, S, B>
where L: RefUnwindSafe, S: RefUnwindSafe, B: RefUnwindSafe, C: RefUnwindSafe,

impl<C, L, S, B> Send for EvmTranscript<C, L, S, B>
where L: Send, S: Send, B: Send,

impl<C, L, S, B> Sync for EvmTranscript<C, L, S, B>
where L: Sync, S: Sync, B: Sync,

impl<C, L, S, B> Unpin for EvmTranscript<C, L, S, B>
where L: Unpin, S: Unpin, B: Unpin, C: Unpin,

impl<C, L, S, B> UnwindSafe for EvmTranscript<C, L, S, B>
where L: UnwindSafe, S: UnwindSafe, B: UnwindSafe, C: UnwindSafe,

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