Fetch CPU info

Cargo.toml

@@ -80,8 +80,7 @@ regex = { version = "1.9.3", features = [
     "unicode-case",
 ] } # required as workaround
 
-[target.'cfg(not(target_arch = "aarch64"))'.dependencies]
-sysinfo = { version = "0.29" }
+sysinfo = { version = "0.30" }
 
 [features]
 default = []

src/data_structs.rs

@@ -209,7 +209,7 @@ pub struct Response<T> {
 
 #[derive(Serialize, Deserialize, Debug, Clone)]
 #[serde(rename_all = "camelCase")]
-pub struct ProcessorData {
+pub struct CpuData {
     pub name: String,
     pub brand: String,
     pub frequency: String,
@@ -221,7 +221,7 @@ pub struct ContributedData {
     pub challenge_hash: String,
     pub response_hash: String,
     pub contribution_duration: Option<u64>,
-    pub processor_data: Option<Vec<ProcessorData>>,
+    pub processor_data: Option<Vec<CpuData>>,
 }
 
 #[derive(Debug, Clone)]

src/utils.rs

@@ -8,7 +8,7 @@ pub const BEACON_HASH_LENGTH: usize = 32;
 
 use crate::blobstore::{upload_access_key, upload_sas};
 use crate::data_structs::{
-    Attestation, Ceremony, NimiqSetupKeys, Parameters, ParticipantId, ProcessorData, Response,
+    Attestation, Ceremony, CpuData, NimiqSetupKeys, Parameters, ParticipantId, Response,
 };
 use crate::error::{UtilsError, VerifyTranscriptError};
 use age::{
@@ -27,6 +27,7 @@ use std::{
     io::{Read, Write},
     path::Path,
 };
+use sysinfo::{CpuRefreshKind, MemoryRefreshKind, System};
 use tracing::warn;
 
 pub const PHASE2_INIT_FILENAME: &str = "phase2_init";
@@ -468,25 +469,17 @@ pub fn read_keys(
     Ok((nimiq_seed, nimiq_key_pair_from_file, keys.attestation))
 }
 
-pub fn collect_processor_data() -> Result<Vec<ProcessorData>> {
-    cfg_if::cfg_if! {
-        if #[cfg(not(target_arch = "aarch64"))] {
-            use sysinfo::{CpuExt, System, SystemExt};
-            let s = System::new();
-            let processors = s
-                .cpus()
-                .iter()
-                .map(|p| ProcessorData {
-                    name: p.name().to_string(),
-                    brand: p.brand().to_string(),
-                    frequency: p.frequency().to_string(),
-                })
-                .collect();
-            Ok(processors)
-        } else {
-            Ok(vec![])
-        }
-    }
+pub fn collect_processor_data() -> Result<Vec<CpuData>> {
+    // Retrieve cpu data.
+    let mut system = System::new();
+    system.refresh_cpu_specifics(CpuRefreshKind::everything());
+
+    let cpus = system.cpus().iter().map(|p| CpuData {
+        name: p.name().to_string(),
+        brand: p.brand().to_string(),
+        frequency: p.frequency().to_string(),
+    });
+    Ok(cpus)
 }
 
 pub struct MaxRetriesHandler {