Pass the latest active key to the Block's scan function

Effectively necessary for networks on which we utilize account abstraction in
order to know what key to associate the received coins with.

processor/scanner/src/eventuality/mod.rs

@@ -273,6 +273,18 @@ impl<D: Db, S: ScannerFeed, Sch: Scheduler<S>> ContinuallyRan for EventualityTas
         log::debug!("checking eventuality completions in block: {} ({b})", hex::encode(block.id()));
 
         let (keys, keys_with_stages) = self.keys_and_keys_with_stages(b);
+        let latest_active_key = {
+          let mut keys_with_stages = keys_with_stages.clone();
+          loop {
+            // Use the most recent key
+            let (key, stage) = keys_with_stages.pop().unwrap();
+            // Unless this key is active, but not yet reporting
+            if stage == LifetimeStage::ActiveYetNotReporting {
+              continue;
+            }
+            break key;
+          }
+        };
 
         let mut txn = self.db.txn();
 
@@ -307,7 +319,7 @@ impl<D: Db, S: ScannerFeed, Sch: Scheduler<S>> ContinuallyRan for EventualityTas
           }
 
           // Fetch all non-External outputs
-          let mut non_external_outputs = block.scan_for_outputs(key.key);
+          let mut non_external_outputs = block.scan_for_outputs(latest_active_key, key.key);
           non_external_outputs.retain(|output| output.kind() != OutputType::External);
           // Drop any outputs less than the dust limit
           non_external_outputs.retain(|output| {