Added logger, handled checksum fail

package.json

@@ -38,6 +38,8 @@
     "https-proxy-agent": "^5.0.0",
     "jimp": "^0.16.1",
     "node-fetch": "^2.6.0",
+    "pino": "^6.7.0",
+    "pino-pretty": "^4.3.0",
     "protobufjs": "^6.10.1",
     "qrcode-terminal": "^0.12.0",
     "ws": "^7.3.1"
@@ -50,6 +52,7 @@
   "devDependencies": {
     "@types/mocha": "^7.0.2",
     "@types/node": "^14.6.2",
+    "@types/pino": "^6.3.2",
     "@types/ws": "^7.2.6",
     "assert": "^2.0.0",
     "dotenv": "^8.2.0",