Crypto-server

A simple Crypto server that supports below URI's

curl http://localhost:8080/currency/btcusd
curl http://localhost:8080/currency/ethbtc
curl http://localhost:8080/currency/all

Build and run

Run below commands

go get https://github.com/basicsbeauty/crypto-server
cd crypto-server
go run main.go

Checklist of items

• Server configuration is driven by a JSON file, config.json
• Support for parameters {port number, source API URL, supported tickers}
• Websocket implementation to keep the data in sync
• Used local cache to store and serve requests
• Used native HTTP library for handling REST API calls
• Handled corner cases, the server only responds to GET calls for /currency/
• Developed separate modules for {config, pricing data, websocket communication} for modularity
• Unit tests

Libraries

Used gorilla/websocket library for handling web socket network IO for better reliability and its battle-tested.