Discriminator

src/state/mod.rs

@@ -5,5 +5,18 @@ mod treasury;
 
 pub use bus::*;
 pub use hash::*;
+use num_enum::{IntoPrimitive, TryFromPrimitive};
 pub use proof::*;
 pub use treasury::*;
+
+#[repr(u8)]
+#[derive(Clone, Copy, Debug, Eq, PartialEq, IntoPrimitive, TryFromPrimitive)]
+pub enum AccountDiscriminator {
+    Bus = 100,
+    Proof = 101,
+    Treasury = 102,
+}
+
+pub trait Discriminator {
+    fn discriminator() -> AccountDiscriminator;
+}