Cut nav into half (#3664)

Co-authored-by: app-token-issuer-data-feeds[bot] <134377064+app-token-issuer-data-feeds[bot]@users.noreply.github.com>

Author: mxiao-cll

.changeset/nasty-owls-serve.md

@@ -0,0 +1,5 @@
+---
+'@chainlink/nav-consulting-adapter': patch
+---
+
+Reduce rate limiter

packages/sources/nav-consulting/src/config/index.ts

@@ -12,12 +12,12 @@ export const config = new AdapterConfig(
       description:
         'The amount of time the background execute should sleep before performing the next request',
       type: 'number',
-      default: 10_000,
+      default: 60_000, // one call per minute
     },
   },
   {
     envDefaultOverrides: {
-      CACHE_MAX_AGE: 300_000, // Due to API limit of 2 request per minute
+      CACHE_MAX_AGE: 600_000, // 10 minute cache
     },
   },
 )

packages/sources/nav-consulting/src/index.ts

@@ -8,14 +8,6 @@ export const adapter = new Adapter({
   name: 'NAV_CONSULTING',
   config,
   endpoints: [reserve],
-  rateLimiting: {
-    tiers: {
-      default: {
-        rateLimit1m: 4,
-        note: '60/min in total shared by 30 EA instance, each EA can do 2 per min per API. Each call hits 2 API',
-      },
-    },
-  },
 })
 
 export const server = (): Promise<ServerInstance | undefined> => expose(adapter)

packages/sources/nav-consulting/src/transport/reserve.ts

@@ -34,7 +34,11 @@ export class NavConsultingTransport extends SubscriptionTransport<BaseEndpointTy
   }
   async backgroundHandler(context: EndpointContext<BaseEndpointTypes>, entries: RequestParams[]) {
     await Promise.all(entries.map(async (param) => this.handleRequest(param)))
-    await sleep(context.adapterSettings.BACKGROUND_EXECUTE_MS)
+    if (entries.length == 0) {
+      await sleep(1_000)
+    } else {
+      await sleep(context.adapterSettings.BACKGROUND_EXECUTE_MS)
+    }
   }
 
   async handleRequest(param: RequestParams) {