Add message if assertion that sled map keys don't collide fails
@@ -246,7 +246,7 @@ impl SledSerialize for sled::transaction::TransactionalTree {
let value_bytes = value.into_ivec();
let previous = self.insert(key_bytes, value_bytes)?;
- assert!(previous.is_none());
+ assert!(previous.is_none(), format!("state insertion error: duplicate key {:?} when inserting value {:?}", key, value));
Ok(())
}
