refactor(starknet_batcher): create method clear previous proposals fo…

…r code dedup (#2670)

crates/starknet_batcher/src/batcher.rs

@@ -112,10 +112,7 @@ impl Batcher {
             });
         }
 
-        // Clear all the proposals from the previous height.
-        self.proposal_manager.reset().await;
-        self.propose_tx_streams.clear();
-        self.validate_tx_streams.clear();
+        self.abort_active_height().await;
 
         info!("Starting to work on height {}.", input.height);
         self.active_height = Some(input.height);
@@ -234,6 +231,13 @@ impl Batcher {
         }
     }
 
+    /// Clear all the proposals from the previous height.
+    async fn abort_active_height(&mut self) {
+        self.proposal_manager.reset().await;
+        self.propose_tx_streams.clear();
+        self.validate_tx_streams.clear();
+    }
+
     async fn handle_send_txs_request(
         &mut self,
         proposal_id: ProposalId,