Add progress on state_processing fixed-len update

eth2/state_processing/src/per_block_processing/verify_exit.rs

@@ -8,8 +8,8 @@ use types::*;
 /// Returns `Ok(())` if the `Exit` is valid, otherwise indicates the reason for invalidity.
 ///
 /// Spec v0.5.1
-pub fn verify_exit(
-    state: &BeaconState,
+pub fn verify_exit<T: BeaconStateTypes>(
+    state: &BeaconState<T>,
     exit: &VoluntaryExit,
     spec: &ChainSpec,
 ) -> Result<(), Error> {
@@ -17,8 +17,8 @@ pub fn verify_exit(
 }
 
 /// Like `verify_exit` but doesn't run checks which may become true in future states.
-pub fn verify_exit_time_independent_only(
-    state: &BeaconState,
+pub fn verify_exit_time_independent_only<T: BeaconStateTypes>(
+    state: &BeaconState<T>,
     exit: &VoluntaryExit,
     spec: &ChainSpec,
 ) -> Result<(), Error> {
@@ -26,8 +26,8 @@ pub fn verify_exit_time_independent_only(
 }
 
 /// Parametric version of `verify_exit` that skips some checks if `time_independent_only` is true.
-fn verify_exit_parametric(
-    state: &BeaconState,
+fn verify_exit_parametric<T: BeaconStateTypes>(
+    state: &BeaconState<T>,
     exit: &VoluntaryExit,
     spec: &ChainSpec,
     time_independent_only: bool,