From ce4b8535c860acf1ee2b02554735444e397d74b9 Mon Sep 17 00:00:00 2001
From: Artem Storozhuk <storojs72@gmail.com>
Date: Mon, 23 Sep 2024 15:15:33 +0300
Subject: [PATCH] chore: Clippy

---
 core/src/stark/air.rs                         |  2 +-
 core/src/syscall/precompiles/blake2s/air.rs   |  6 ++---
 core/src/syscall/precompiles/blake2s/mod.rs   | 27 +++++++++----------
 core/src/syscall/precompiles/blake2s/trace.rs |  8 +++---
 4 files changed, 21 insertions(+), 22 deletions(-)

diff --git a/core/src/stark/air.rs b/core/src/stark/air.rs
index 3b4d61efc..af094bb27 100644
--- a/core/src/stark/air.rs
+++ b/core/src/stark/air.rs
@@ -184,7 +184,7 @@ impl<F: PrimeField32> RiscvAir<F> {
         chips.push(RiscvAir::ProgramMemory(program_memory_init));
         let byte = ByteChip::default();
         chips.push(RiscvAir::ByteLookup(byte));
-        let blake_2s_round = Blake2sRoundChip::default();
+        let blake_2s_round = Blake2sRoundChip::new();
         chips.push(RiscvAir::Blake2sRound(blake_2s_round));
 
         chips
diff --git a/core/src/syscall/precompiles/blake2s/air.rs b/core/src/syscall/precompiles/blake2s/air.rs
index 15ab346ce..d70f0d6f2 100644
--- a/core/src/syscall/precompiles/blake2s/air.rs
+++ b/core/src/syscall/precompiles/blake2s/air.rs
@@ -67,9 +67,9 @@ where
             );
         }
 
-        let v1_shuffle_lookup = vec![1, 2, 3, 0];
-        let v2_shuffle_lookup = vec![2, 3, 0, 1];
-        let v3_shuffle_lookup = vec![3, 0, 1, 2];
+        let v1_shuffle_lookup = [1, 2, 3, 0];
+        let v2_shuffle_lookup = [2, 3, 0, 1];
+        let v3_shuffle_lookup = [3, 0, 1, 2];
 
         for i in 0..4usize {
             // 1x
diff --git a/core/src/syscall/precompiles/blake2s/mod.rs b/core/src/syscall/precompiles/blake2s/mod.rs
index 1d7cd20c2..05fa353cd 100644
--- a/core/src/syscall/precompiles/blake2s/mod.rs
+++ b/core/src/syscall/precompiles/blake2s/mod.rs
@@ -106,26 +106,30 @@ fn rotate_right_const(a: [u32; 4], n: u32) -> [u32; 4] {
         a[3].rotate_right(n),
     ]
 }
-fn quarter_round(v: &mut Vec<[u32; 4]>, rd: u32, rb: u32, m: [u32; 4]) {
+fn quarter_round(v: &mut [[u32; 4]], rd: u32, rb: u32, m: [u32; 4]) {
     v[0] = wrapping_add_u32x4(wrapping_add_u32x4(v[0], v[1]), m); // m.from_le (?)
     v[3] = rotate_right_const(xor_u32x4(v[3], v[0]), rd);
     v[2] = wrapping_add_u32x4(v[2], v[3]);
     v[1] = rotate_right_const(xor_u32x4(v[1], v[2]), rb);
 }
-fn shuffle(v: &mut Vec<[u32; 4]>) {
+fn shuffle(v: &mut [[u32; 4]]) {
     v[1] = shuffle_left_1_u32x4(v[1]);
     v[2] = shuffle_left_2_u32x4(v[2]);
     v[3] = shuffle_left_3_u32x4(v[3]);
 }
-fn unshuffle(v: &mut Vec<[u32; 4]>) {
+fn unshuffle(v: &mut [[u32; 4]]) {
     v[1] = shuffle_right_1_u32x4(v[1]);
     v[2] = shuffle_right_2_u32x4(v[2]);
     v[3] = shuffle_right_3_u32x4(v[3]);
 }
+
+#[allow(dead_code)]
 fn gather(m: [u32; 16], i0: usize, i1: usize, i2: usize, i3: usize) -> [u32; 4] {
     [m[i0], m[i1], m[i2], m[i3]]
 }
-fn round(v: &mut Vec<[u32; 4]>, m: [u32; 16], s: [usize; 16]) {
+
+#[allow(dead_code)]
+fn round(v: &mut [[u32; 4]], m: [u32; 16], s: [usize; 16]) {
     let r1 = 16;
     let r2 = 12;
     let r3 = 8;
@@ -235,7 +239,7 @@ mod tests {
         let b_ptr = 200200200;
 
         let a = rand::thread_rng().gen::<[u32; 16]>();
-        let mut a_clone = a.clone();
+        let mut a_clone = a;
         let mut b = rand::thread_rng().gen::<[u32; 24]>();
         for item in b[0..24].iter_mut() {
             *item = 0;
@@ -264,14 +268,9 @@ mod tests {
 
     #[test]
     fn test_blake2s_round_function() {
-        fn test_inner(
-            input: &mut Vec<[u32; 4]>,
-            m: [u32; 16],
-            s: [usize; 16],
-            output: Vec<[u32; 4]>,
-        ) {
+        fn test_inner(input: &mut [[u32; 4]], m: [u32; 16], s: [usize; 16], output: &[[u32; 4]]) {
             round(input, m, s);
-            assert_eq!(input.clone(), output);
+            assert_eq!(input.to_vec(), output.to_vec());
         }
 
         let mut v: Vec<[u32; 4]> = vec![
@@ -294,7 +293,7 @@ mod tests {
             &mut v,
             m,
             s,
-            vec![
+            &vec![
                 [0x82a01b5d, 0x248bd8f5, 0x1da4b59a, 0xb37b2bd3],
                 [0x515f5af4, 0x0301095b, 0xb151a3c2, 0x5e17f96f],
                 [0xc561666d, 0x0f291605, 0x990c6d13, 0x76fff6f1],
@@ -322,7 +321,7 @@ mod tests {
             &mut v,
             m,
             s,
-            vec![
+            &vec![
                 [0x071e8a60, 0x071e8a60, 0x071e8a60, 0x071e8a60],
                 [0x072df44c, 0x072df44c, 0x072df44c, 0x072df44c],
                 [0x522ca035, 0x522ca035, 0x522ca035, 0x522ca035],
diff --git a/core/src/syscall/precompiles/blake2s/trace.rs b/core/src/syscall/precompiles/blake2s/trace.rs
index ec95db0eb..d710f0fd8 100644
--- a/core/src/syscall/precompiles/blake2s/trace.rs
+++ b/core/src/syscall/precompiles/blake2s/trace.rs
@@ -62,10 +62,10 @@ impl<F: PrimeField32> MachineAir<F> for Blake2sRoundChip {
                 cols.b[i].populate(event.channel, event.b_reads[i], &mut new_byte_lookup_events);
             }
 
-            let mut v0_outer = vec![0u32; 4];
-            let mut v1_outer = vec![0u32; 4];
-            let mut v2_outer = vec![0u32; 4];
-            let mut v3_outer = vec![0u32; 4];
+            let mut v0_outer = [0u32; 4];
+            let mut v1_outer = [0u32; 4];
+            let mut v2_outer = [0u32; 4];
+            let mut v3_outer = [0u32; 4];
 
             // 1x (m0, R1, R2)
             for i in 0..4usize {