izzqz / eth-observer

This is a service with one HTTP endpoint which returns the most valuable Ethereum address from the past 100 blocks

eth-observer

This is a service with one HTTP endpoint which returns the most valuable Ethereum address from the past 100 blocks. Runs on nodejs and updates in real time. No extra dependencies needed.

How to run

First get Etherscan API key from here. And put it as environment variable in .env file or directly in shell.

# .env file
ETHERSCAN_APIKEY=<yourkey>
# or in shell
export ETHERSCAN_APIKEY=<yourkey>

Now install dependencies using npm and build it.

npm install
npm run build

Run service.

npm run start

After filling the buffer and starting the server, you can send a GET request to /mostValuableAddress. Example using httpie:

$ http GET localhost:8080/mostValuableAddress

HTTP/1.1 200 OK
Connection: keep-alive
Date: Wed, 29 Sep 2021 23:19:08 GMT
Keep-Alive: timeout=5
content-length: 82
content-type: application/json; charset=utf-8

{
    "address": "0x28c6c06298d514db089934071355e5743bf21d60",
    "value": 5432.273761326432
}

Run in Docker

docker build -t eth-observer . && docker run -p 8080:8080 -it eth-observer