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introduced a function to check the API

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This commit is contained in:
Nils Stinnesbeck 2021-01-12 23:57:44 +01:00
parent 8d9a5cddb5
commit 0a84c9751b
Signed by: nils
GPG Key ID: 86D4882C6C6CA48B
1 changed files with 43 additions and 7 deletions
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50
main.go
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@ -88,25 +88,61 @@ func scheduler(tick *time.Ticker, c config) error {
}
func task(c config, previousAmount float64) float64 {
amount, err := parseAmount(c)
b, err := checkAPI()
if err != nil {
log.Fatalf("can't parse amount, error is: %s\n", err)
log.Fatalln(err)
}
previousAmount, err = compareAmount(previousAmount, amount, c)
if err != nil {
log.Fatalf("can't compare amount, error is: %s\n", err)
if b == true {
amount, err := parseAmount(c)
if err != nil {
log.Fatalf("can't parse amount, error is: %s\n", err)
}
previousAmount, err = compareAmount(previousAmount, amount, c)
if err != nil {
log.Fatalf("can't compare amount, error is: %s\n", err)
}
} else {
log.Println("API seems down. Skipping this round")
}
return previousAmount
}
func checkAPI() (bool, error) {
url := "https://chainz.cryptoid.info/explorer/api.dws?q=summary"
request, err := http.NewRequest(http.MethodGet, url, nil)
if err != nil {
return false, fmt.Errorf("can't request %s, error is: %s", url, err)
}
request.Header.Set("Content-Type", "application/json")
// request response
client := &http.Client{}
response, err := client.Do(request)
if err != nil {
return false, fmt.Errorf("HTTPS request to url %s failed with error %s", url, err)
}
// read response into data variable
data, err := ioutil.ReadAll(response.Body)
if err != nil {
return false, fmt.Errorf("can't read body %s, error is %s", response.Body, err)
}
if len(data) > 100 {
// API available
return true, nil
}
// API not available
return false, nil
}
func parseAmount(c config) (float64, error) {
// Define Variables
var url string
var amount float64
// assemble url
url = "https://chainz.cryptoid.info/" + c.coin + "/api.dws?q=getbalance&a=" + c.address + "&key=" + c.apiKey
url := "https://chainz.cryptoid.info/" + c.coin + "/api.dws?q=getbalance&a=" + c.address + "&key=" + c.apiKey
// form url
request, err := http.NewRequest(http.MethodGet, url, nil)