feat: add extra logs to DTL (#439)

* feat: add extra logs to DTL

* chore: add changeset
Co-authored-by: Georgios Konstantopoulos <me@gakonst.com>

.changeset/angry-queens-reflect.md

+---
+"@eth-optimism/core-utils": patch
+"@eth-optimism/data-transport-layer": patch
+---
+
+added extra logs to base-service / dtl to improve observability

packages/core-utils/src/base-service.ts

@@ -36,7 +36,9 @@ export class BaseService<T> {
 
     this.logger.info('Service is initializing...')
     await this._init()
-    this.logger.info('Service has initialized.')
+    this.logger.info('Service has initialized.', {
+      options: this.options,
+    })
     this.initialized = true
   }
 

packages/data-transport-layer/src/services/main/service.ts

@@ -54,6 +54,8 @@ export class L1DataTransportService extends BaseService<L1DataTransportServiceOp
   } = {} as any
 
   protected async _init(): Promise<void> {
+    this.logger.info('Initializing L1 Data Transport Service...')
+
     this.state.db = level(this.options.dbPath)
     await this.state.db.open()
 

packages/data-transport-layer/src/services/server/service.ts

@@ -130,6 +130,11 @@ export class L1TransportServer extends BaseService<L1TransportServerOptions> {
           url: req.url,
           elapsed,
         })
+        this.logger.debug('Response body', {
+          method: req.method,
+          url: req.url,
+          body: json,
+        })
         return res.json(json)
       } catch (e) {
         const elapsed = Date.now() - start