Fix prometheus server tests, upgrade dependencies

Author: fordN

packages/common-ts/CHANGELOG.md

@@ -5,6 +5,11 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Changed
+- Upgrade dependencies
+
+### Fixed
+- Fix serve metrics test
 
 ## [1.5.1] - 2021-05-11
 ### Added

packages/common-ts/package.json

@@ -25,8 +25,8 @@
     "cors": "2.8.5",
     "cross-fetch": "3.1.4",
     "ethers": "5.5.2",
-    "express": "4.17.1",
-    "graphql": "16.1.0",
+    "express": "4.17.2",
+    "graphql": "16.2.0",
     "graphql-tag": "2.12.6",
     "helmet": "4.6.0",
     "morgan": "1.10.0",
@@ -42,11 +42,11 @@
     "@types/bs58": "4.0.1",
     "@types/cors": "2.8.12",
     "@types/express": "4.17.13",
-    "@types/jest": "26.0.15",
+    "@types/jest": "27.0.3",
     "@types/lodash.isequal": "4.5.5",
     "@types/morgan": "1.9.3",
     "@types/ngeohash": "0.6.4",
-    "@types/node": "17.0.1",
+    "@types/node": "17.0.2",
     "@types/pino": "7.0.5",
     "@types/pino-multi-stream": "5.1.3",
     "@types/supertest": "2.0.11",

packages/common-ts/src/metrics/index.ts

@@ -32,8 +32,9 @@ export const createMetricsServer = (options: MetricsServerOptions): Server => {
 
   const app = express()
 
-  app.get(options.route || '/metrics', (_, res) => {
-    res.status(200).send(options.registry.metrics())
+  app.get(options.route || '/metrics', async (_, res) => {
+    res.set('Content-Type', options.registry.contentType)
+    res.status(200).send(await options.registry.metrics())
   })
 
   const port = options.port || 7300