Restrict payjoin inputs to confirmed UTXOs

Prevent wallet failures caused by selecting unconfirmed coins for
payjoin inputs.

Without this filter, the wallet can fail with an "unconfirmed
coins" error during payjoin processing.

diff --git a/src/payjoin/mod.rs b/src/payjoin/mod.rs
index 20410b381649a62bed8ce91a9db304efd507d1cd..e811213e5814625d02030dc4470657f8101a9b8f 100644 (file)
--- a/src/payjoin/mod.rs
+++ b/src/payjoin/mod.rs
@@ -548,6 +548,7 @@ impl<'a> PayjoinManager<'a> {
         let candidate_inputs: Vec<InputPair> = self
             .wallet
             .list_unspent()
+            .filter(|output| output.chain_position.is_confirmed())
             .map(|output| {
                 let psbtin = self
                     .wallet