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eth-node-healthcheck

Little http node.js server to run along the ethereum node. Node needs to have JSONRPC enabled. Returns 503 Service Unavailable if the last block number on the local node is off by 3 or more blocks from the last block number from Infura node. Otherwise returns 200 OK.

Supported networks:

Installation

npm install -g eth-node-healthcheck

Run

Configuration parameters (set as ENV variables):

  • RPC_HOST — hostname where your node JSON RPC is running. Default: localhost

  • NETWORK — network name. Supported networks:

    • homestead
    • rinkeby
    • ropsten
    • kovan
    • goerli

  • PORT — port to run this service on

Example for mainnet:

RPC_HOST=127.0.0.1 NETWORK=homestead PORT=50336 eth-node-healthcheck

Make sure the process is detached from the terminal. Make sure the port is open for incoming connections.

License

MIT