Fix warnings from clippy

common/credentials/src/bandwidth.rs

@@ -9,7 +9,7 @@
 use url::Url;
 
 use coconut_interface::{
-    Attribute, Credential, Parameters, PrivateAttribute, PublicAttribute,
+    Credential, Parameters, PrivateAttribute, PublicAttribute,
     Signature, VerificationKey,
 };
 
@@ -75,7 +75,7 @@ pub fn prepare_for_spending(
     attributes: &BandwidthVoucherAttributes,
     verification_key: &VerificationKey,
 ) -> Result<Credential, Error> {
-    let public_attributes = vec![BANDWIDTH_VALUE.to_be_bytes().to_vec()];
+    let public_attributes = vec![raw_identity.to_vec(), BANDWIDTH_VALUE.to_be_bytes().to_vec()];
 
     let params = Parameters::new(TOTAL_ATTRIBUTES)?;
 

common/credentials/src/utils.rs

@@ -1,8 +1,6 @@
 // Copyright 2021 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0
 
-use std::borrow::Borrow;
-
 use url::Url;
 
 use coconut_interface::{

common/nymcoconut/src/lib.rs

@@ -56,11 +56,6 @@ pub type Attribute = Scalar;
 pub type PrivateAttribute = Attribute;
 pub type PublicAttribute = Attribute;
 
-pub struct BandwidthPrivateAttributes {
-    serial_number: Attribute,
-    binding_number: Attribute,
-}
-
 impl Bytable for Attribute {
     fn to_byte_vec(&self) -> Vec<u8> {
         self.to_bytes().to_vec()