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json-rpc-service

v5.0.1

Published

**JSON-RPC-SERVICE** is a micro-framework for creating services with the JSON-RPC API. Services can exchange messages with each other, playing the role of microservices.

Downloads

47

Readme

JSON-RPC-SERVICE

JSON-RPC-SERVICE is a micro-framework for creating services with the JSON-RPC API. Services can exchange messages with each other, playing the role of microservices.

It is used in such blockchain projects as:

  • Golos http://golos.io
  • CyberWay http://cyberway.io
  • BankEx http://bankex.com
  • TNC Group https://tncitgroup.com

And not in blockchain projects:

  • TROOVE http://troove.ru

Main features:

  • Simple construction of the JSON-RPC API with parameter validation by the Ajv library.
  • Easy creation of models for a database based on Mongoose (MongoDB).
  • Base classes for controllers and services.
  • `Prometheus' monitoring.
  • A set of various utilities.

Usage:

Just connect the desired class or all classes at once via index.ts

You can also specify environment variables:

  • JRS_CONNECTOR_HOST - the address that will be used for incoming connections.
    Default value - 0.0.0.0

  • JRS_CONNECTOR_PORT - the address of the port that will be used for incoming connections.
    Default value- 3000

  • JRS_CONNECTOR_SOCKET - the address of the socket that will be used for incoming connections.
    If specified, it replaces the connection via the host/port.

  • JRS_METRICS_HOST - the host address for Prometheus metrics. Default value - 127.0.0.1

  • JRS_METRICS_PORT - port address for Prometheus metrics. Default value - 9777

  • JRS_MONGO_CONNECT - connection string to the MongoDB database. Default value - mongodb://mongo/admin

  • JRS_SYSTEM_METRICS - enables logging of system metrics for Prometheus.
    Default value - false

  • JRS_EXTERNAL_CALLS_METRICS - includes metrics not only for incoming, but also for outgoing service requests.
    Default value - false

  • JRS_METRICS_TO_LOG - duplicates all metrics in logs.
    Default value - false

  • JRS_SERVER_STATIC_DIR - if you use a web server, you can specify a folder for distributing static files.
    Default value - null (folder is missing)

  • JRS_SERVER_CONNECTOR_PATH - in the case of using a web server, you can specify the path by which the connector will be available.
    Default value - / (root query)

  • JRS_SERVER_BODY_SIZE_LIMIT - the maximum size of the request body for the web server.
    Default value - 20mb

  • JRS_CONNECTOR_ALIAS_NAME - alias is the name of the microservice by which it is presented to other microservices, for example, with an internal ping request Default value - anonymous

  • JRS_POSTGRES_USERNAME - the username when connecting to the Postgres database.

  • JRS_POSTGRES_PASSWORD - password when connecting to the Postgres database.

  • JRS_POSTGRES_HOST - host when connecting to the Postgres database.

  • JRS_POSTGRES_PORT - port when connecting to the Postgres database.

  • JRS_POSTGRES_DATABASE - the name of the database when connecting to the Postgres database.