fix: minor feature-dependant warnings (#2)

fix of warnings for certain features

Cargo.toml

@@ -19,7 +19,7 @@ num-bigint = { version = "=0.4.3", default-features = false, features = ["rand"]
 # ZKP Generation
 ark-crypto-primitives = { version = "=0.4.0" }
 ark-ec = { version = "=0.4.1", default-features = false, features = ["parallel"] }
-ark-ff = { version = "=0.4.1", default-features = false, features = ["parallel", "asm"] }
+ark-ff = { version = "=0.4.1", default-features = false, features = ["asm", "parallel"] }
 ark-std = { version = "=0.4.0", default-features = false, features = ["parallel"] }
 ark-bn254 = { version = "=0.4.0" }
 ark-groth16 = { version = "=0.4.0", default-features = false, features = ["parallel"] }
@@ -51,6 +51,7 @@ ethers = "=2.0.7"
 name = "groth16"
 harness = false
 
+
 [features]
 default = ["wasmer/default", "circom-2", "ethereum"]
 wasm = ["wasmer/js-default"]

src/circom/circuit.rs

@@ -1,8 +1,8 @@
-use std::{collections::HashMap, f32::consts::E};
+use std::collections::HashMap;
 
 use ark_ff::PrimeField;
 use ark_relations::r1cs::{
-    self, ConstraintSynthesizer, ConstraintSystemRef, LinearCombination, SynthesisError, Variable,
+    ConstraintSynthesizer, ConstraintSystemRef, LinearCombination, SynthesisError, Variable,
 };
 
 use color_eyre::Result;

src/witness/circom.rs

@@ -28,6 +28,7 @@ pub trait Circom {
     fn get_ptr_raw_prime(&self) -> Result<u32>;
 }
 
+#[cfg(feature = "circom-2")]
 pub trait Circom2 {
     fn get_field_num_len32(&self) -> Result<u32>;
     fn get_raw_prime(&self) -> Result<()>;