Persistent committee caches and exit cache

beacon_node/store/src/state_cache.rs

@@ -0,0 +1,18 @@
+#[cfg(test)]
+mod test {
+    use super::*;
+    use std::mem::size_of;
+    use types::{
+        beacon_state::PubkeyCache, BeaconBlockHeader, BeaconState, BeaconStateAltair,
+        BeaconStateMerge, MainnetEthSpec,
+    };
+
+    #[test]
+    fn state_size() {
+        println!("{}", size_of::<BeaconStateAltair<MainnetEthSpec>>());
+        println!("{}", size_of::<BeaconStateMerge<MainnetEthSpec>>());
+        println!("{}", size_of::<BeaconState<MainnetEthSpec>>());
+        println!("{}", size_of::<PubkeyCache>());
+        assert!(false);
+    }
+}