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chore: make poseidon hasher thread safe #269

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May 7, 2024
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chore: make poseidon hasher thread safe #269

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6 changes: 3 additions & 3 deletions halo2-base/src/poseidon/hasher/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,7 @@ use crate::{

use getset::{CopyGetters, Getters};
use num_bigint::BigUint;
use std::{cell::OnceCell, mem};
use std::{mem, sync::OnceLock};

#[cfg(test)]
mod tests;
Expand All @@ -28,7 +28,7 @@ pub struct PoseidonHasher<F: ScalarField, const T: usize, const RATE: usize> {
/// Spec, contains round constants and optimized matrices.
#[getset(get = "pub")]
spec: OptimizedPoseidonSpec<F, T, RATE>,
consts: OnceCell<PoseidonHasherConsts<F, T, RATE>>,
consts: OnceLock<PoseidonHasherConsts<F, T, RATE>>,
}
#[derive(Clone, Debug, Getters)]
struct PoseidonHasherConsts<F: ScalarField, const T: usize, const RATE: usize> {
Expand Down Expand Up @@ -123,7 +123,7 @@ pub struct PoseidonCompactOutput<F: ScalarField> {
impl<F: ScalarField, const T: usize, const RATE: usize> PoseidonHasher<F, T, RATE> {
/// Create a poseidon hasher from an existing spec.
pub fn new(spec: OptimizedPoseidonSpec<F, T, RATE>) -> Self {
Self { spec, consts: OnceCell::new() }
Self { spec, consts: OnceLock::new() }
}
/// Initialize necessary consts of hasher. Must be called before any computation.
pub fn initialize_consts(&mut self, ctx: &mut Context<F>, gate: &impl GateInstructions<F>) {
Expand Down
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