-
Notifications
You must be signed in to change notification settings - Fork 0
/
marketcap.go
46 lines (39 loc) · 1.16 KB
/
marketcap.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
package main
import (
"encoding/json"
"io/ioutil"
"log"
"net/http"
)
const apiURL = "https://api.coinmarketcap.com/v1/ticker/"
type Coin struct {
ID string `json:"id"`
Name string `json:"name"`
Symbol string `json:"symbol"`
Rank string `json:"rank"`
PriceUsd string `json:"price_usd"`
PriceBtc string `json:"price_btc"`
Two4HVolumeUsd string `json:"24h_volume_usd"`
MarketCapUsd string `json:"market_cap_usd"`
AvailableSupply string `json:"available_supply"`
TotalSupply string `json:"total_supply"`
MaxSupply string `json:"max_supply"`
PercentChange1H string `json:"percent_change_1h"`
PercentChange24H string `json:"percent_change_24h"`
PercentChange7D string `json:"percent_change_7d"`
LastUpdated string `json:"last_updated"`
}
func getCoins(name string) Coin {
resp, err := http.Get(apiURL + name + "/")
if err != nil {
log.Fatalf("Error retrieving data: %s\n", err)
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
log.Fatalf("Error reading data: %s\n", err)
}
var coin []Coin
json.Unmarshal(body, &coin)
return coin[0]
}