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 nubmer from Etherscan. Otherwise returns 200 OK.

Supported networks:

• mainnet
• rinkeby

Installation

npm install -g eth-node-healthcheck

Run

for mainnet:

ETHERSCAN_API_KEY=<etherscan_api_key> PORT=50336 eth-node-healthcheck

for rinkeby:

ETHERSCAN_API_KEY=<etherscan_api_key> PORT=50336 NETWORK=rinkeby eth-node-healthcheck

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

License

MIT

Credits

Powered by Etherscan.io APIs