Only log used builder URL

Author: nflaig

packages/beacon-node/src/execution/builder/http.ts

@@ -50,7 +50,7 @@ export class ExecutionBuilderHttp implements IExecutionBuilder {
   ) {
     const baseUrl = opts.urls[0];
     if (!baseUrl) throw Error("No Url provided for executionBuilder");
-    logger?.info("External builder", {urls: opts.urls.map(toSafePrintableUrl).toString()});
+    logger?.info("External builder", {url: toSafePrintableUrl(baseUrl)});
     this.api = getClient(
       {
         baseUrl,

packages/utils/src/url.ts

@@ -26,7 +26,7 @@ export function toSafePrintableUrl(urlStr: string): string {
   try {
     return new URL(urlStr).origin;
   } catch (_) {
-    // Best effort to sanitize if an invalid URL is provided
+    // Best effort to sanitize value if an invalid URL is provided
     return urlStr.replace(/(.*?:\/\/|.*?:\/)?(.*?:.*?@)/, "$1");
   }
 }