feat: chainstore: exit early in MaybeTakeHeavierTipset

filecoin-project · May 5, 2023 · 8549c16 · 8549c16
1 parent 9ae4292
commit 8549c16
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Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/chain/events/observer.go b/chain/events/observer.go
@@ -125,7 +125,7 @@ func (o *observer) listenHeadChangesOnce(ctx context.Context) error {
 
 	for changes := range notifs {
 		if err := o.applyChanges(ctx, changes); err != nil {
-			return err
+			return xerrors.Errorf("failed to apply a change notification: %w", err)
 		}
 	}
 

diff --git a/chain/store/store.go b/chain/store/store.go
@@ -425,6 +425,11 @@ func (cs *ChainStore) MaybeTakeHeavierTipSet(ctx context.Context, ts *types.TipS
 	}
 
 	defer cs.heaviestLk.Unlock()
+
+	if ts.Equals(cs.heaviest) {
+		return nil
+	}
+
 	w, err := cs.weight(ctx, cs.StateBlockstore(), ts)
 	if err != nil {
 		return err