1 files changed, 20 insertions, 0 deletions
diff --git a/games/rstnode/rst-core/src/wire/env.rs b/games/rstnode/rst-core/src/wire/env.rs
new file mode 100644
index 000000000000..fd5ed690453e
--- /dev/null
+++ b/games/rstnode/rst-core/src/wire/env.rs
@@ -0,0 +1,20 @@
+use serde::{de::DeserializeOwned, Deserialize, Serialize};
+
+#[repr(C)]
+#[derive(Serialize, Deserialize)]
+pub struct Envelope {
+    size: u64,
+    data: Vec<u8>,
+}
+
+impl Envelope {
+    pub fn pack<T: Serialize>(d: T) -> Self {
+        let data = bincode::serialize(&d).unwrap();
+        let size = data.len() as u64;
+        Self { size, data }
+    }
+
+    pub fn unpack<T: DeserializeOwned>(self) -> T {
+        bincode::deserialize(&self.data).unwrap()
+    }
+}