Update account manager config parsing

eth2/types/src/beacon_state.rs

@@ -453,11 +453,7 @@ impl<T: EthSpec> BeaconState<T> {
     ///
     /// Spec v0.6.0
     // FIXME(sproul): name swap with get_block_root
-    pub fn get_block_root_at_epoch(
-        &self,
-        epoch: Epoch,
-        spec: &ChainSpec,
-    ) -> Result<&Hash256, BeaconStateError> {
+    pub fn get_block_root_at_epoch(&self, epoch: Epoch) -> Result<&Hash256, BeaconStateError> {
         self.get_block_root(epoch.start_slot(T::slots_per_epoch()))
     }
 

eth2/types/src/fork.rs

@@ -1,6 +1,6 @@
 use crate::{
     test_utils::{fork_from_hex_str, TestRandom},
-    ChainSpec, Epoch,
+    Epoch,
 };
 
 use serde_derive::{Deserialize, Serialize};
@@ -58,6 +58,7 @@ impl Fork {
 #[cfg(test)]
 mod tests {
     use super::*;
+    use crate::ChainSpec;
 
     ssz_tests!(Fork);
     cached_tree_hash_tests!(Fork);