indexers: prevent non-mined transactions from not getting into UTXO list

src/data.rs

@@ -114,6 +114,8 @@ impl<T> TxStatus<T> {
             TxStatus::Unknown => TxStatus::Unknown,
         }
     }
+
+    pub fn is_mined(&self) -> bool { matches!(self, Self::Mined(_)) }
 }
 
 impl<T> Display for TxStatus<T>

src/indexers/electrum.rs

@@ -320,7 +320,9 @@ impl Indexer for Client {
                             prev_tx.outputs.get_mut(credit.outpoint.vout_u32() as usize)
                         {
                             let outpoint = txout.outpoint;
-                            cache.utxo.remove(&outpoint);
+                            if tx.status.is_mined() {
+                                cache.utxo.remove(&outpoint);
+                            }
                             txout.spent = Some(credit.outpoint.into())
                         };
                     }

src/indexers/esplora.rs

@@ -217,7 +217,9 @@ impl Indexer for BlockingClient {
                             prev_tx.outputs.get_mut(credit.outpoint.vout_u32() as usize)
                         {
                             let outpoint = txout.outpoint;
-                            cache.utxo.remove(&outpoint);
+                            if tx.status.is_mined() {
+                                cache.utxo.remove(&outpoint);
+                            }
                             txout.spent = Some(credit.outpoint.into())
                         };
                     }