add builder method

Author: joostjager

src/builder.rs

@@ -274,6 +274,12 @@ impl NodeBuilder {
 		self
 	}
 
+	/// Configures the [`Node`] instance to source its external scores from the given URL.
+	pub fn set_external_scores_source(&mut self, url: String) -> &mut Self {
+		self.config.external_scores_url = Some(url);
+		self
+	}
+
 	/// Configures the [`Node`] instance to source its inbound liquidity from the given
 	/// [LSPS2](https://github.com/BitcoinAndLightningLayerSpecs/lsp/blob/main/LSPS2/README.md)
 	/// service.

src/lib.rs

@@ -311,6 +311,8 @@ impl Node {
 		}
 
 		if let Some(url) = &self.config.external_scores_url {
+			log_trace!(self.logger, "External scores background syncing from {} enabled", url);
+
 			let external_scores_sync_logger = Arc::clone(&self.logger);
 			let external_scores_scorer = Arc::clone(&self.scorer);
 			let mut stop_sync = self.stop_sender.subscribe();