Update RUST MSRV and address clippy issues.

Cargo.toml

@@ -22,7 +22,7 @@ categories = [
 include = [ "Cargo.toml", "vm", "README.md", "LICENSE.md" ]
 license = "Apache-2.0"
 edition = "2021"
-rust-version = "1.76.0"
+rust-version = "1.81.0" # Attention - Change the MSRV in rust-toolchain and in .circleci/config.yml as well
 
 [workspace]
 members = [

algorithms/cuda/build.rs

@@ -18,9 +18,6 @@ use std::{env, path::PathBuf};
 fn main() {
     let curve = "FEATURE_BLS12_377";
 
-    // account for cross-compilation [by examining environment variable]
-    let target_arch = env::var("CARGO_CFG_TARGET_ARCH").unwrap();
-
     // Set CC environment variable to choose an alternative C compiler.
     // Optimization level depends on whether or not --release is passed
     // or implied.
@@ -30,28 +27,22 @@ fn main() {
     let files = vec![c_src_dir.join("lib.c")];
     let mut cc_opt = None;
 
-    match (cfg!(feature = "portable"), cfg!(feature = "force-adx")) {
-        (true, false) => {
+    match cfg!(feature = "portable") {
+        true => {
             println!("Compiling in portable mode without ISA extensions");
             cc_opt = Some("__BLST_PORTABLE__");
         }
-        (false, true) => {
-            if target_arch.eq("x86_64") {
-                println!("Enabling ADX support via `force-adx` feature");
-                cc_opt = Some("__ADX__");
-            } else {
-                println!("`force-adx` is ignored for non-x86_64 targets");
-            }
-        }
-        (false, false) =>
-        {
+        false => {
             #[cfg(target_arch = "x86_64")]
-            if target_arch.eq("x86_64") && std::is_x86_feature_detected!("adx") {
-                println!("Enabling ADX because it was detected on the host");
-                cc_opt = Some("__ADX__");
+            {
+                // account for cross-compilation [by examining environment variable]
+                let target_arch = env::var("CARGO_CFG_TARGET_ARCH").unwrap_or_default();
+                if target_arch.eq("x86_64") && std::is_x86_feature_detected!("adx") {
+                    println!("Enabling ADX because it was detected on the host");
+                    cc_opt = Some("__ADX__");
+                }
             }
         }
-        (true, true) => panic!("Cannot compile with both `portable` and `force-adx` features"),
     }
 
     cc.flag_if_supported("-mno-avx") // avoid costly transitions
@@ -86,8 +77,6 @@ fn main() {
         nvcc.flag("-Xcompiler").flag("-Wno-unused-function");
         nvcc.flag("-Xcompiler").flag("-Wno-subobject-linkage");
         nvcc.define("TAKE_RESPONSIBILITY_FOR_ERROR_MESSAGE", None);
-        #[cfg(feature = "cuda-mobile")]
-        nvcc.define("NTHREADS", "128");
         nvcc.define(curve, None);
         if let Some(def) = cc_opt {
             nvcc.define(def, None);

algorithms/src/r1cs/test_constraint_system.rs

@@ -24,6 +24,7 @@ use itertools::Itertools;
 /// This field is the scalar field (Fr) of BLS12-377.
 pub type Fr = snarkvm_curves::bls12_377::Fr;
 
+#[allow(dead_code)]
 #[derive(Debug, Clone)]
 enum NamedObject {
     Constraint(usize),

algorithms/src/snark/varuna/ahp/indexer/indexer.rs

@@ -37,7 +37,6 @@ use std::collections::BTreeMap;
 
 #[cfg(not(feature = "serial"))]
 use rayon::prelude::*;
-#[cfg(not(feature = "std"))]
 use snarkvm_utilities::println;
 
 use super::Matrix;

algorithms/src/snark/varuna/ahp/prover/round_functions/mod.rs

@@ -29,9 +29,7 @@ use rand::Rng;
 use rand_core::CryptoRng;
 use std::collections::BTreeMap;
 
-use snarkvm_utilities::cfg_iter;
-#[cfg(not(feature = "std"))]
-use snarkvm_utilities::println;
+use snarkvm_utilities::{cfg_iter, println};
 
 #[cfg(not(feature = "serial"))]
 use rayon::prelude::*;

algorithms/src/snark/varuna/varuna.rs

@@ -54,7 +54,6 @@ use rand::{CryptoRng, Rng};
 use std::{borrow::Borrow, collections::BTreeMap, ops::Deref, sync::Arc};
 
 use crate::srs::UniversalProver;
-#[cfg(not(feature = "std"))]
 use snarkvm_utilities::println;
 
 /// The Varuna proof system.

circuit/account/src/compute_key/equal.rs

@@ -15,7 +15,7 @@
 
 use super::*;
 
-#[cfg(console)]
+#[cfg(feature = "console")]
 impl<A: Aleo> Equal<Self> for ComputeKey<A> {
     type Output = Boolean<A>;
 
@@ -67,7 +67,7 @@ impl<A: Aleo> OutputMode<dyn Equal<ComputeKey<A>, Output = Boolean<A>>> for Comp
     }
 }
 
-#[cfg(all(test, console))]
+#[cfg(all(test, feature = "console"))]
 mod tests {
     use super::*;
     use crate::Circuit;
@@ -98,12 +98,12 @@ mod tests {
                 console::ComputeKey::try_from(console::PrivateKey::new(rng).unwrap()).unwrap(),
             );
 
-            CurrentAleo::scope(&format!("{mode_a} {mode_a} {i}"), || {
+            CurrentAleo::scope(format!("{mode_a} {mode_a} {i}"), || {
                 let equals = a.is_equal(&a);
                 assert!(equals.eject_value());
             });
 
-            CurrentAleo::scope(&format!("{mode_a} {mode_b} {i}"), || {
+            CurrentAleo::scope(format!("{mode_a} {mode_b} {i}"), || {
                 let equals = a.is_equal(&b);
                 assert!(!equals.eject_value());
                 assert_scope!(num_constants, num_public, num_private, num_constraints);
@@ -131,12 +131,12 @@ mod tests {
                 console::ComputeKey::try_from(console::PrivateKey::new(rng).unwrap()).unwrap(),
             );
 
-            CurrentAleo::scope(&format!("{mode_a} {mode_a} {i}"), || {
+            CurrentAleo::scope(format!("{mode_a} {mode_a} {i}"), || {
                 let equals = a.is_not_equal(&a);
                 assert!(!equals.eject_value());
             });
 
-            CurrentAleo::scope(&format!("{mode_a} {mode_b} {i}"), || {
+            CurrentAleo::scope(format!("{mode_a} {mode_b} {i}"), || {
                 let equals = a.is_not_equal(&b);
                 assert!(equals.eject_value());
                 assert_scope!(num_constants, num_public, num_private, num_constraints);

circuit/account/src/compute_key/from.rs

@@ -25,7 +25,7 @@ impl<A: Aleo> From<(Group<A>, Group<A>)> for ComputeKey<A> {
     }
 }
 
-#[cfg(all(test, console))]
+#[cfg(all(test, feature = "console"))]
 mod tests {
     use super::*;
     use crate::{helpers::generate_account, Circuit};
@@ -50,7 +50,7 @@ mod tests {
             let pk_sig = Group::new(mode, compute_key.pk_sig());
             let pr_sig = Group::new(mode, compute_key.pr_sig());
 
-            Circuit::scope(&format!("{mode} {i}"), || {
+            Circuit::scope(format!("{mode} {i}"), || {
                 let candidate = ComputeKey::<AleoV0>::from((pk_sig, pr_sig));
                 assert_eq!(compute_key, candidate.eject_value());
                 if i > 0 {

circuit/account/src/compute_key/from_private_key.rs

@@ -33,7 +33,7 @@ impl<A: Aleo> ComputeKey<A> {
     }
 }
 
-#[cfg(all(test, console))]
+#[cfg(all(test, feature = "console"))]
 mod tests {
     use super::*;
     use crate::{helpers::generate_account, Circuit};
@@ -56,7 +56,7 @@ mod tests {
             // Initialize the private key.
             let private_key = PrivateKey::<Circuit>::new(mode, private_key);
 
-            Circuit::scope(&format!("{mode} {i}"), || {
+            Circuit::scope(format!("{mode} {i}"), || {
                 let candidate = ComputeKey::from_private_key(&private_key);
                 assert_eq!(compute_key, candidate.eject_value());
                 // TODO (howardwu): Resolve skipping the cost count checks for the burn-in round.

circuit/account/src/compute_key/helpers/from_bits.rs

@@ -15,7 +15,7 @@
 
 use super::*;
 
-#[cfg(console)]
+#[cfg(feature = "console")]
 impl<A: Aleo> FromBits for ComputeKey<A> {
     type Boolean = Boolean<A>;
 
@@ -54,7 +54,7 @@ impl<A: Aleo> FromBits for ComputeKey<A> {
     }
 }
 
-#[cfg(all(test, console))]
+#[cfg(all(test, feature = "console"))]
 mod tests {
     use super::*;
     use crate::Circuit;
@@ -73,7 +73,7 @@ mod tests {
             let expected = console::ComputeKey::try_from(console::PrivateKey::new(rng).unwrap()).unwrap();
             let candidate = ComputeKey::<CurrentAleo>::new(mode, expected).to_bits_le();
 
-            CurrentAleo::scope(&format!("{mode} {i}"), || {
+            CurrentAleo::scope(format!("{mode} {i}"), || {
                 let candidate = ComputeKey::<CurrentAleo>::from_bits_le(&candidate);
                 assert_eq!(expected, candidate.eject_value());
                 assert_scope!(num_constants, num_public, num_private, num_constraints);
@@ -90,7 +90,7 @@ mod tests {
             let expected = console::ComputeKey::try_from(console::PrivateKey::new(rng).unwrap()).unwrap();
             let candidate = ComputeKey::<CurrentAleo>::new(mode, expected).to_bits_be();
 
-            CurrentAleo::scope(&format!("{mode} {i}"), || {
+            CurrentAleo::scope(format!("{mode} {i}"), || {
                 let candidate = ComputeKey::<CurrentAleo>::from_bits_be(&candidate);
                 assert_eq!(expected, candidate.eject_value());
                 assert_scope!(num_constants, num_public, num_private, num_constraints);

circuit/account/src/compute_key/helpers/to_bits.rs

@@ -15,7 +15,7 @@
 
 use super::*;
 
-#[cfg(console)]
+#[cfg(feature = "console")]
 impl<A: Aleo> ToBits for ComputeKey<A> {
     type Boolean = Boolean<A>;
 
@@ -30,7 +30,7 @@ impl<A: Aleo> ToBits for ComputeKey<A> {
     }
 }
 
-#[cfg(console)]
+#[cfg(feature = "console")]
 impl<A: Aleo> ToBits for &ComputeKey<A> {
     type Boolean = Boolean<A>;
 
@@ -51,7 +51,7 @@ impl<A: Aleo> ToBits for &ComputeKey<A> {
     }
 }
 
-#[cfg(all(test, console))]
+#[cfg(all(test, feature = "console"))]
 mod tests {
     use super::*;
     use crate::Circuit;
@@ -72,7 +72,7 @@ mod tests {
             let expected = console::ComputeKey::try_from(console::PrivateKey::new(rng).unwrap()).unwrap();
             let candidate = ComputeKey::<CurrentAleo>::new(mode, expected);
 
-            CurrentAleo::scope(&format!("{mode} {i}"), || {
+            CurrentAleo::scope(format!("{mode} {i}"), || {
                 let candidate = candidate.to_bits_le();
                 assert_eq!(expected_number_of_bits, candidate.len());
 
@@ -99,7 +99,7 @@ mod tests {
             let expected = console::ComputeKey::try_from(console::PrivateKey::new(rng).unwrap()).unwrap();
             let candidate = ComputeKey::<CurrentAleo>::new(mode, expected);
 
-            CurrentAleo::scope(&format!("{mode} {i}"), || {
+            CurrentAleo::scope(format!("{mode} {i}"), || {
                 let candidate = candidate.to_bits_be();
                 assert_eq!(expected_number_of_bits, candidate.len());
 

circuit/account/src/compute_key/helpers/to_fields.rs

@@ -24,7 +24,7 @@ impl<A: Aleo> ToFields for ComputeKey<A> {
     }
 }
 
-#[cfg(all(test, console))]
+#[cfg(all(test, feature = "console"))]
 mod tests {
     use super::*;
     use crate::Circuit;
@@ -45,7 +45,7 @@ mod tests {
             let expected = console::ComputeKey::try_from(console::PrivateKey::new(rng).unwrap()).unwrap();
             let candidate = ComputeKey::<CurrentAleo>::new(mode, expected);
 
-            CurrentAleo::scope(&format!("{mode} {i}"), || {
+            CurrentAleo::scope(format!("{mode} {i}"), || {
                 let candidate = candidate.to_fields();
                 assert_eq!(candidate.len(), 2);
 

circuit/account/src/compute_key/mod.rs

@@ -37,7 +37,7 @@ pub struct ComputeKey<A: Aleo> {
     sk_prf: Scalar<A>,
 }
 
-#[cfg(console)]
+#[cfg(feature = "console")]
 impl<A: Aleo> Inject for ComputeKey<A> {
     type Primitive = console::ComputeKey<A::Network>;
 
@@ -69,7 +69,7 @@ impl<A: Aleo> ComputeKey<A> {
     }
 }
 
-#[cfg(console)]
+#[cfg(feature = "console")]
 impl<A: Aleo> Eject for ComputeKey<A> {
     type Primitive = console::ComputeKey<A::Network>;
 
@@ -87,7 +87,7 @@ impl<A: Aleo> Eject for ComputeKey<A> {
     }
 }
 
-#[cfg(all(test, console))]
+#[cfg(all(test, feature = "console"))]
 pub(crate) mod tests {
     use super::*;
     use crate::{helpers::generate_account, Circuit};

circuit/account/src/compute_key/ternary.rs

@@ -59,7 +59,7 @@ impl<A: Aleo> OutputMode<dyn Ternary<Boolean = Boolean<A>, Output = Self>> for C
     }
 }
 
-#[cfg(all(test, console))]
+#[cfg(all(test, feature = "console"))]
 mod tests {
     use super::*;
     use crate::Circuit;

circuit/account/src/compute_key/to_address.rs

@@ -25,7 +25,7 @@ impl<A: Aleo> ComputeKey<A> {
     }
 }
 
-#[cfg(all(test, console))]
+#[cfg(all(test, feature = "console"))]
 mod tests {
     use super::*;
     use crate::{helpers::generate_account, Circuit};
@@ -48,7 +48,7 @@ mod tests {
             // Initialize the compute key.
             let candidate = ComputeKey::<Circuit>::new(mode, compute_key);
 
-            Circuit::scope(&format!("{mode} {i}"), || {
+            Circuit::scope(format!("{mode} {i}"), || {
                 let candidate = candidate.to_address();
                 assert_eq!(*address, candidate.to_group().eject_value());
                 // TODO (howardwu): Resolve skipping the cost count checks for the burn-in round.

circuit/account/src/graph_key/mod.rs

@@ -24,7 +24,7 @@ pub struct GraphKey<A: Aleo> {
     sk_tag: Field<A>,
 }
 
-#[cfg(console)]
+#[cfg(feature = "console")]
 impl<A: Aleo> Inject for GraphKey<A> {
     type Primitive = console::GraphKey<A::Network>;
 
@@ -44,7 +44,7 @@ impl<A: Aleo> GraphKey<A> {
     }
 }
 
-#[cfg(console)]
+#[cfg(feature = "console")]
 impl<A: Aleo> Eject for GraphKey<A> {
     type Primitive = console::GraphKey<A::Network>;
 
@@ -62,7 +62,7 @@ impl<A: Aleo> Eject for GraphKey<A> {
     }
 }
 
-#[cfg(all(test, console))]
+#[cfg(all(test, feature = "console"))]
 pub(crate) mod tests {
     use super::*;
     use crate::{helpers::generate_account, Circuit};

circuit/account/src/lib.rs

@@ -34,7 +34,7 @@ pub use signature::*;
 pub mod view_key;
 pub use view_key::*;
 
-#[cfg(all(test, console))]
+#[cfg(all(test, feature = "console"))]
 pub(crate) mod helpers {
     use snarkvm_circuit_network::AleoV0;
     use snarkvm_circuit_types::environment::Environment;