fix clippy

crates/prover/benches/pcs.rs

@@ -5,20 +5,19 @@ use rand::rngs::SmallRng;
 use rand::{Rng, SeedableRng};
 use stwo_prover::core::backend::simd::SimdBackend;
 use stwo_prover::core::backend::{BackendForChannel, CpuBackend};
-use stwo_prover::core::channel::{Channel, Sha256Channel};
+use stwo_prover::core::channel::Sha256Channel;
 use stwo_prover::core::fields::m31::BaseField;
 use stwo_prover::core::pcs::CommitmentTreeProver;
 use stwo_prover::core::poly::circle::{CanonicCoset, CircleEvaluation};
 use stwo_prover::core::poly::twiddles::TwiddleTree;
 use stwo_prover::core::poly::BitReversedOrder;
-use stwo_prover::core::vcs::sha256_hash::Sha256Hash;
-use stwo_prover::core::vcs::sha256_merkle::Sha256MerkleHasher;
+use stwo_prover::core::vcs::sha256_merkle::Sha256MerkleChannel;
 
 const LOG_COSET_SIZE: u32 = 20;
 const LOG_BLOWUP_FACTOR: u32 = 1;
 const N_POLYS: usize = 16;
 
-fn benched_fn<B: BackendForChannel<Sha256MerkleHasher>>(
+fn benched_fn<B: BackendForChannel<Sha256MerkleChannel>>(
     evals: Vec<CircleEvaluation<B, BaseField, BitReversedOrder>>,
     channel: &mut Sha256Channel,
     twiddles: &TwiddleTree<B>,
@@ -28,10 +27,10 @@ fn benched_fn<B: BackendForChannel<Sha256MerkleHasher>>(
         .map(|eval| eval.interpolate_with_twiddles(twiddles))
         .collect();
 
-    CommitmentTreeProver::<B, Sha256MerkleHasher>::new(polys, LOG_BLOWUP_FACTOR, channel, twiddles);
+    CommitmentTreeProver::<B, Sha256MerkleChannel>::new(polys, LOG_BLOWUP_FACTOR, channel, twiddles);
 }
 
-fn bench_pcs<B: BackendForChannel<Sha256MerkleHasher>>(c: &mut Criterion, id: &str) {
+fn bench_pcs<B: BackendForChannel<Sha256MerkleChannel>>(c: &mut Criterion, id: &str) {
     let small_domain = CanonicCoset::new(LOG_COSET_SIZE);
     let big_domain = CanonicCoset::new(LOG_COSET_SIZE + LOG_BLOWUP_FACTOR);
     let twiddles = B::precompute_twiddles(big_domain.half_coset());

crates/prover/src/core/backend/simd/grind.rs

@@ -1,7 +1,8 @@
 use super::SimdBackend;
 use crate::core::channel::Sha256Channel;
+use crate::core::channel::Channel;
 #[cfg(not(target_arch = "wasm32"))]
-use crate::core::channel::{Channel, Poseidon252Channel};
+use crate::core::channel::Poseidon252Channel;
 use crate::core::proof_of_work::GrindOps;
 
 impl GrindOps<Sha256Channel> for SimdBackend {