Print message upon syncing monero wallet

swap/src/protocol/bob/swap.rs

@@ -247,6 +247,7 @@ async fn next_state(
             }
 
             // Ensure that the generated wallet is synced so we have a proper balance
+            tracing::info!("Syncing Monero wallet. This might take some time...");
             monero_wallet.refresh().await?;
             // Sweep (transfer all funds) to the given address
             let tx_hashes = monero_wallet.sweep_all(monero_receive_address).await?;