parser: fixed hanging + global: snapshot

crates/brk_parser/src/xor_bytes.rs

@@ -0,0 +1,19 @@
+use std::{fs, path::Path};
+
+use derive_deref::Deref;
+
+pub const XOR_LEN: usize = 8;
+
+#[derive(Debug, Clone, Copy, Deref)]
+pub struct XORBytes([u8; XOR_LEN]);
+
+impl From<&Path> for XORBytes {
+    fn from(value: &Path) -> Self {
+        Self(
+            fs::read(value.join("blocks/xor.dat"))
+                .unwrap_or(vec![0; 8])
+                .try_into()
+                .unwrap(),
+        )
+    }
+}