Coinbase API (EUR<->BTC) sell/buy value

gistfile1.go

package main

import (
	"encoding/json"
	"io/ioutil"
	"log"
	"net/http"
	"strconv"
	"strings"
)

type Currency struct {
	Name  string
	Value float64
}

func main() {
	currencies := make(map[string]*Currency)

	url := "https://api.coinbase.com/v1/currencies/exchange_rates"

	resp, err := http.Get(url)
	if err != nil {
		log.Fatal(err)
	}
	defer resp.Body.Close()
	content, _ := ioutil.ReadAll(resp.Body)

	decorator := json.NewDecoder(strings.NewReader(string(content)))

	for {
		var v map[string]string
		if err := decorator.Decode(&v); err != nil {
			break
		}

		for k, c := range v {
			value, _ := strconv.ParseFloat(c, 10)
			currencies[k] = &Currency{Name: k, Value: value}
		}
	}

	log.Printf("BUY BTC:  %f EUR\n", 1.0/currencies["eur_to_btc"].Value)
	log.Printf("SELL BTC: %f EUR\n", currencies["btc_to_eur"].Value)
}