Improve error message for invalid response lengths.

diff --git a/lightning-block-sync/src/http.rs b/lightning-block-sync/src/http.rs
index 58d66686f0107e311e90bb2fc373603b723806bc..aa0d840adb0a168088e6e1d08d52a6ce22f7cf44 100644 (file)
--- a/lightning-block-sync/src/http.rs
+++ b/lightning-block-sync/src/http.rs
@@ -288,7 +288,7 @@ impl HttpClient {
                        HttpMessageLength::Empty => { Vec::new() },
                        HttpMessageLength::ContentLength(length) => {
                                if length == 0 || length > MAX_HTTP_MESSAGE_BODY_SIZE {
-                                       return Err(std::io::Error::new(std::io::ErrorKind::InvalidData, "out of range"))
+                                       return Err(std::io::Error::new(std::io::ErrorKind::InvalidData, format!("invalid response length: {} bytes", length)));
                                } else {
                                        let mut content = vec![0; length];
                                        #[cfg(feature = "tokio")]
@@ -727,7 +727,7 @@ pub(crate) mod client_tests {
                match client.get::<BinaryResponse>("/foo", "foo.com").await {
                        Err(e) => {
                                assert_eq!(e.kind(), std::io::ErrorKind::InvalidData);
-                               assert_eq!(e.get_ref().unwrap().to_string(), "out of range");
+                               assert_eq!(e.get_ref().unwrap().to_string(), "invalid response length: 8032001 bytes");
                        },
                        Ok(_) => panic!("Expected error"),
                }