Microservice that checks ethereum node health, by comparing node block number with block number from etherscan
$ curl -H 'Content-Type: application/json' http://0.0.0.0:8080/ethealth/check
{"health":true}
$ curl -H 'Content-Type: application/json' http://0.0.0.0:8080/ethealth/check
{"health":false, diff: 10}
go get github.com/micro/go-micro
| Name | Type | Description |
|---|---|---|
| NODE_ADDR | URL | URL for node to connect, with schema |
| MAXBLOCKDIFFERENCE | int | Number of blocks difference between healthchecked node and etherscan api that count unhealthy |
| ETHERSCAN_PREFIX | string | Testnet name |
| ETHERSCAN_API_KEY | string | Etherscan api key. https://etherscan.io/apis |
MICRO_REGISTRY=mdns micro api --handler=rpc
MICRO_REGISTRY=mdns NODE_ADDR= MAXBLOCKDIFFERENCE=3 ETHERSCAN_PREFIX=rinkeby ETHERSCAN_API_KEY= go run main.go
curl -H 'Content-Type: application/json' http://localhost:8080/ethealth/check
Setup proper ENV variables
docker-compose up -d
PRs accepted.
MIT © Edenlabllc http://edenlab.com.ua