Use E for EthSpec trait, instead of B

beacon_node/network/src/beacon_chain.rs

@@ -15,14 +15,14 @@ use types::{
 pub use beacon_chain::{BeaconChainError, BlockProcessingOutcome, InvalidBlock};
 
 /// The network's API to the beacon chain.
-pub trait BeaconChain<B: EthSpec>: Send + Sync {
+pub trait BeaconChain<E: EthSpec>: Send + Sync {
     fn get_spec(&self) -> &ChainSpec;
 
-    fn get_state(&self) -> RwLockReadGuard<BeaconState<B>>;
+    fn get_state(&self) -> RwLockReadGuard<BeaconState<E>>;
 
     fn slot(&self) -> Slot;
 
-    fn head(&self) -> RwLockReadGuard<CheckPoint<B>>;
+    fn head(&self) -> RwLockReadGuard<CheckPoint<E>>;
 
     fn get_block(&self, block_root: &Hash256) -> Result<Option<BeaconBlock>, BeaconChainError>;
 
@@ -30,7 +30,7 @@ pub trait BeaconChain<B: EthSpec>: Send + Sync {
 
     fn best_block_root(&self) -> Hash256;
 
-    fn finalized_head(&self) -> RwLockReadGuard<CheckPoint<B>>;
+    fn finalized_head(&self) -> RwLockReadGuard<CheckPoint<E>>;
 
     fn finalized_epoch(&self) -> Epoch;
 
@@ -64,18 +64,18 @@ pub trait BeaconChain<B: EthSpec>: Send + Sync {
     fn is_new_block_root(&self, beacon_block_root: &Hash256) -> Result<bool, BeaconChainError>;
 }
 
-impl<T, U, F, B> BeaconChain<B> for RawBeaconChain<T, U, F, B>
+impl<T, U, F, E> BeaconChain<E> for RawBeaconChain<T, U, F, E>
 where
     T: ClientDB + Sized,
     U: SlotClock,
     F: ForkChoice,
-    B: EthSpec,
+    E: EthSpec,
 {
     fn get_spec(&self) -> &ChainSpec {
         &self.spec
     }
 
-    fn get_state(&self) -> RwLockReadGuard<BeaconState<B>> {
+    fn get_state(&self) -> RwLockReadGuard<BeaconState<E>> {
         self.state.read()
     }
 
@@ -83,7 +83,7 @@ where
         self.get_state().slot
     }
 
-    fn head(&self) -> RwLockReadGuard<CheckPoint<B>> {
+    fn head(&self) -> RwLockReadGuard<CheckPoint<E>> {
         self.head()
     }
 
@@ -95,7 +95,7 @@ where
         self.get_state().finalized_epoch
     }
 
-    fn finalized_head(&self) -> RwLockReadGuard<CheckPoint<B>> {
+    fn finalized_head(&self) -> RwLockReadGuard<CheckPoint<E>> {
         self.finalized_head()
     }