much longer base delay when 429 encountered

Author: sam0x17

jetstreamer-firehose/src/index.rs

@@ -49,7 +49,7 @@ const METADATA_KEY_KIND: &[u8] = b"index_kind";
 const METADATA_KEY_EPOCH: &[u8] = b"epoch";
 const HTTP_PREFETCH_BYTES: u64 = 4 * 1024; // initial bytes to fetch for headers
 const FETCH_RANGE_MAX_RETRIES: usize = 10;
-const FETCH_RANGE_BASE_DELAY_MS: u64 = 2000;
+const FETCH_RANGE_BASE_DELAY_MS: u64 = 10000;
 
 /// Errors returned while accessing the compact slot offset index.
 #[derive(Debug, Error)]