Fix EIP test (#42)

* fix eip test

* update deps

* update CI

* remove duplicate code

* format files

Author: abenso

.github/workflows/rust_audit.yaml

@@ -10,7 +10,7 @@ jobs:
   security_audit:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           submodules: true
 

.github/workflows/rust_periodic_audit.yaml

@@ -9,7 +9,7 @@ jobs:
   security_audit:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           submodules: true
 

Cargo.lock

@@ -43,6 +43,20 @@ fn app() -> FilecoinApp<TransportNativeHID> {
     FilecoinApp::new(TransportNativeHID::new(&HIDAPI).expect("unable to create transport"))
 }
 
+/// Helper function to prepare a personal message with Filecoin prefix
+/// This constructs the message format: "\x19Filecoin Signed Message:\n<length><message>"
+fn prepare_personal_message_with_prefix(personal_message: &[u8]) -> Vec<u8> {
+    let prefix = b"\x19Filecoin Signed Message:\n";
+    let length_string = personal_message.len().to_string();
+
+    let mut message_with_prefix = Vec::new();
+    message_with_prefix.extend_from_slice(prefix);
+    message_with_prefix.extend_from_slice(length_string.as_bytes());
+    message_with_prefix.extend_from_slice(personal_message);
+
+    message_with_prefix
+}
+
 #[tokio::test]
 #[serial]
 async fn version() {
@@ -281,13 +295,7 @@ async fn sign_personal_msg() {
         .await
         .unwrap();
 
-    let prefix = b"\x19Filecoin Signed Message:\n";
-    let length_bytes = (personal_message.len() as u32).to_be_bytes();
-
-    let mut message_with_prefix = Vec::new();
-    message_with_prefix.extend_from_slice(prefix);
-    message_with_prefix.extend_from_slice(&length_bytes);
-    message_with_prefix.extend_from_slice(personal_message);
+    let message_with_prefix = prepare_personal_message_with_prefix(personal_message);
 
     let mut reconstructed_sig_bytes = [0u8; 64];
     reconstructed_sig_bytes[0..32].copy_from_slice(&signature.r);
@@ -338,13 +346,7 @@ async fn sign_personal_msg_long_message() {
         .await
         .unwrap();
 
-    let prefix = b"\x19Filecoin Signed Message:\n";
-    let length_bytes = (personal_message.len() as u32).to_be_bytes();
-
-    let mut message_with_prefix = Vec::new();
-    message_with_prefix.extend_from_slice(prefix);
-    message_with_prefix.extend_from_slice(&length_bytes);
-    message_with_prefix.extend_from_slice(&personal_message);
+    let message_with_prefix = prepare_personal_message_with_prefix(&personal_message);
 
     let mut reconstructed_sig_bytes = [0u8; 64];
     reconstructed_sig_bytes[0..32].copy_from_slice(&signature.r);