Feature: deserialize Cairo PIE from bytes

Added a `from_bytes` class method to build a `CairoPie` method in
addition to the existing `from_file` method.

vm/src/vm/runners/cairo_pie.rs

@@ -225,7 +225,7 @@ impl CairoPie {
     #[cfg(feature = "std")]
     pub fn from_zip_archive<R: Read + Seek>(
         mut zip: zip::ZipArchive<R>,
-    ) -> Result<CairoPie, CairoPieError> {
+    ) -> Result<Self, CairoPieError> {
         let metadata: CairoPieMetadata = parse_zip_file(zip.by_name("metadata.json")?)?;
         let execution_resources: ExecutionResources =
             parse_zip_file(zip.by_name("execution_resources.json")?)?;
@@ -242,7 +242,7 @@ impl CairoPie {
         };
         let memory = read_memory_file(zip.by_name("memory.bin")?, addr_size, felt_bytes)?;
 
-        Ok(CairoPie {
+        Ok(Self {
             metadata,
             memory,
             execution_resources,
@@ -252,11 +252,19 @@ impl CairoPie {
     }
 
     #[cfg(feature = "std")]
-    pub fn from_file(path: &Path) -> Result<CairoPie, CairoPieError> {
+    pub fn from_bytes(bytes: &[u8]) -> Result<Self, CairoPieError> {
+        let reader = std::io::Cursor::new(bytes);
+        let zip_archive = zip::ZipArchive::new(reader)?;
+
+        Self::from_zip_archive(zip_archive)
+    }
+
+    #[cfg(feature = "std")]
+    pub fn from_file(path: &Path) -> Result<Self, CairoPieError> {
         let file = std::fs::File::open(path)?;
         let zip = zip::ZipArchive::new(file)?;
 
-        CairoPie::from_zip_archive(zip)
+        Self::from_zip_archive(zip)
     }
 }