Prefer confirmed bidouts

Author: buffrr

wallet/src/lib.rs

@@ -308,7 +308,11 @@ impl SpacesWallet {
         };
 
         let placeholder = all
-            .first()
+            // always prefer confirmed ones since
+            // we don't monitor mempool for other competing bids
+            // this makes replacements smoother
+            .iter().find(|x| x.confirmed)
+            .or_else(|| all.first())
             .ok_or_else(|| anyhow::anyhow!("{}", msg))?
             .clone();