remove log

coinmarketcap.go

@@ -5,7 +5,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"io/ioutil"
-	"log"
 	"net/http"
 )
 
@@ -24,7 +23,7 @@ func GetMarketData() (GlobalMarketData, error) {
 	var data GlobalMarketData
 	err = json.Unmarshal(resp, &data)
 	if err != nil {
-		log.Println(err)
+		return GlobalMarketData{}, err
 	}
 
 	return data, nil
@@ -35,13 +34,11 @@ func GetCoinData(coin string) (Coin, error) {
 	url = fmt.Sprintf("%s/ticker/%s", baseUrl, coin)
 	resp, err := makeReq(url)
 	if err != nil {
-		log.Println(err)
 		return Coin{}, err
 	}
 	var data []Coin
 	err = json.Unmarshal(resp, &data)
 	if err != nil {
-		log.Println(err)
 		return Coin{}, err
 	}
 
@@ -61,7 +58,7 @@ func GetAllCoinData(limit int) (map[string]Coin, error) {
 	var data []Coin
 	err = json.Unmarshal(resp, &data)
 	if err != nil {
-		log.Println(err)
+		return nil, err
 	}
 	// creating map from the array
 	allCoins := make(map[string]Coin)
@@ -77,13 +74,11 @@ func GetCoinGraphData(coin string, start int64, end int64) (CoinGraph, error) {
 	url = fmt.Sprintf("%s/%s/%d/%d", graphUrl, coin, start*1000, end*1000)
 	resp, err := makeReq(url)
 	if err != nil {
-		log.Println(err)
 		return CoinGraph{}, err
 	}
 	var data CoinGraph
 	err = json.Unmarshal(resp, &data)
 	if err != nil {
-		log.Println(err)
 		return CoinGraph{}, err
 	}
 
@@ -95,12 +90,12 @@ func doReq(req *http.Request) ([]byte, error) {
 	client := &http.Client{}
 	resp, err := client.Do(req)
 	if err != nil {
-		log.Println(err)
+		return nil, err
 	}
 	defer resp.Body.Close()
 	body, err := ioutil.ReadAll(resp.Body)
 	if err != nil {
-		log.Println(err)
+		return nil, err
 	}
 	if 200 != resp.StatusCode {
 		return nil, fmt.Errorf("%s", body)
@@ -113,11 +108,11 @@ func doReq(req *http.Request) ([]byte, error) {
 func makeReq(url string) ([]byte, error) {
 	req, err := http.NewRequest("GET", url, nil)
 	if err != nil {
-		log.Println(err)
+		return nil, err
 	}
 	resp, err := doReq(req)
 	if err != nil {
-		log.Println(err)
+		return nil, err
 	}
 
 	return resp, err

example/main.go

@@ -22,9 +22,9 @@ func main() {
 	if err != nil {
 		log.Println(err)
 	} else {
-		fmt.Println(coinIfo)
-
+		fmt.Println(coinInfo)
 	}
+
 	// Get top 10 coins
 	top10, err := coinApi.GetAllCoinData(10)
 	if err != nil {