print entire error chain

swap/src/api/request.rs

@@ -821,6 +821,7 @@ impl Request {
             .await
             .map_err(|err| {
                 method_span.in_scope(|| {
+                    // The {:?} formatter is used to print the entire error chain
                     tracing::debug!(err = format!("{:?}", err), "API call resulted in an error");
                 });
                 err

swap/src/cli/cancel_and_refund.rs

@@ -165,7 +165,7 @@ pub async fn refund(
                 Ok(ExpiredTimelocks::None { blocks_left }) => {
                     bail!(
                         bitcoin_publication_err.context(format!(
-                            "Cannot refund swap because the refund timelock has not expired yet. Blocks left: {}",
+                            "Cannot refund swap because the cancel timelock has not expired yet. Blocks left: {}",
                             blocks_left
                         ))
                     );