This is the service in charge of collecting the cryptocurrency price evolution data. It makes use of the go-coinbasepro library to manage the Coinbase pro API and get the historic data in the form:

• Time: bucket start time
• Close: closing price (last trade) in the bucket interval
• High: highest price during the bucket interval
• Low: lowest price during the bucket interval
• Open: opening price (first trade) in the bucket interval
• Volume: volume of trading activity during the bucket interval
• Product: product id as of the coinbase API /products

Collect BTC-EUR historic data every 1 hour for the last year and save it in out/BTC.csv

go run cmd/main.go --product="BTC-EUR" --time=365 --granularity=3600 --filename="out/BTC-EUR.csv"

Usage of cmd/main:
  -filename string
        Filename to save the dataset to (default "BTC-EUR.csv")
  -granularity int
        Time between data points, in seconds. Options: {60, 300, 900, 3600, 21600, 86400}. (default 21600)
  -product string
        Crypto trade value to store (default "BTC-EUR")
  -time int
        Time of data collection, in days (default 30)