Remove unused code in the Ethereum processor

processor/ethereum/src/primitives/block.rs

@@ -16,19 +16,10 @@ use crate::{output::Output, transaction::Eventuality};
 pub(crate) struct Epoch {
   // The hash of the block which ended the prior Epoch.
   pub(crate) prior_end_hash: [u8; 32],
-  // The first block number within this Epoch.
-  pub(crate) start: u64,
   // The hash of the last block within this Epoch.
   pub(crate) end_hash: [u8; 32],
 }
 
-impl Epoch {
-  // The block number of the last block within this epoch.
-  fn end(&self) -> u64 {
-    self.start + 31
-  }
-}
-
 impl primitives::BlockHeader for Epoch {
   fn id(&self) -> [u8; 32] {
     self.end_hash

processor/ethereum/src/primitives/machine.rs

@@ -102,9 +102,9 @@ impl SignMachine<Transaction> for ActionSignMachine {
     unimplemented!()
   }
   fn from_cache(
-    params: Self::Params,
-    keys: Self::Keys,
-    cache: CachedPreprocess,
+    _params: Self::Params,
+    _keys: Self::Keys,
+    _cache: CachedPreprocess,
   ) -> (Self, Self::Preprocess) {
     unimplemented!()
   }

processor/ethereum/src/rpc.rs

@@ -131,7 +131,7 @@ impl<D: Db> ScannerFeed for Rpc<D> {
 
       let end_hash = end_header.hash.into();
 
-      Ok(Epoch { prior_end_hash, start, end_hash })
+      Ok(Epoch { prior_end_hash, end_hash })
     }
   }
 

processor/ethereum/src/scheduler.rs

@@ -40,7 +40,7 @@ impl<D: Db> smart_contract_scheduler::SmartContract<Rpc<D>> for SmartContract {
   fn rotate(
     &self,
     nonce: u64,
-    retiring_key: KeyFor<Rpc<D>>,
+    _retiring_key: KeyFor<Rpc<D>>,
     new_key: KeyFor<Rpc<D>>,
   ) -> (Self::SignableTransaction, EventualityFor<Rpc<D>>) {
     let action = Action::SetKey {
@@ -54,7 +54,7 @@ impl<D: Db> smart_contract_scheduler::SmartContract<Rpc<D>> for SmartContract {
   fn fulfill(
     &self,
     nonce: u64,
-    key: KeyFor<Rpc<D>>,
+    _key: KeyFor<Rpc<D>>,
     payments: Vec<Payment<AddressFor<Rpc<D>>>>,
   ) -> Vec<(Self::SignableTransaction, EventualityFor<Rpc<D>>)> {
     let mut outs = Vec::with_capacity(payments.len());