Redo coordinator's Substrate scanner

substrate/client/src/serai/in_instructions.rs

@@ -1,10 +1,7 @@
 pub use serai_abi::in_instructions::primitives;
 use primitives::SignedBatch;
 
-use crate::{
-  primitives::{BlockHash, NetworkId},
-  Transaction, SeraiError, Serai, TemporalSerai,
-};
+use crate::{primitives::NetworkId, Transaction, SeraiError, Serai, TemporalSerai};
 
 pub type InInstructionsEvent = serai_abi::in_instructions::Event;
 

substrate/client/src/serai/mod.rs

@@ -45,13 +45,13 @@ impl Block {
   }
 
   /// Returns the time of this block, set by its producer, in milliseconds since the epoch.
-  pub fn time(&self) -> Result<u64, SeraiError> {
+  pub fn time(&self) -> Option<u64> {
     for transaction in &self.transactions {
       if let Call::Timestamp(timestamp::Call::set { now }) = transaction.call() {
-        return Ok(*now);
+        return Some(*now);
       }
     }
-    Err(SeraiError::InvalidNode("no time was present in block".to_string()))
+    None
   }
 }
 

substrate/client/tests/common/genesis_liquidity.rs

@@ -65,8 +65,7 @@ pub async fn set_up_genesis(
       })
       .or_insert(0);
 
-    let batch =
-      Batch { network: coin.network(), id: batch_ids[&coin.network()], block, instructions };
+    let batch = Batch { network: coin.network(), id: batch_ids[&coin.network()], instructions };
     provide_batch(serai, batch).await;
   }