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robustness: add HTTP status code checks to market data & provider APIs

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- market/api_client.go: check StatusCode for exchangeInfo, klines, price
  endpoints + add truncateBody helper for safe error messages
- market/data.go: check StatusCode for openInterest and premiumIndex
- provider/coinank: check StatusCode for GET and POST requests
- provider/twelvedata: check StatusCode for time series and quote APIs
- Prevents confusing JSON unmarshal errors when APIs return 429/500/etc
This commit is contained in:
shinchan-zhai
2026-03-23 11:00:24 +08:00
parent 3c698e3fc5
commit 88f6fa7911
5 changed files with 40 additions and 1 deletions
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17
market/api_client.go
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@@ -15,6 +15,14 @@ const (
baseURL = "https://fapi.binance.com"
)
// truncateBody returns the first 512 bytes of body for error messages.
func truncateBody(body []byte) string {
if len(body) > 512 {
return string(body[:512]) + "..."
}
return string(body)
}
type APIClient struct {
client *http.Client
}
@@ -47,6 +55,9 @@ func (c *APIClient) GetExchangeInfo() (*ExchangeInfo, error) {
if err != nil {
return nil, err
}
if resp.StatusCode != http.StatusOK {
return nil, fmt.Errorf("Binance API error (status %d): %s", resp.StatusCode, truncateBody(body))
}
var exchangeInfo ExchangeInfo
err = json.Unmarshal(body, &exchangeInfo)
if err != nil {
@@ -79,6 +90,9 @@ func (c *APIClient) GetKlines(symbol, interval string, limit int) ([]Kline, erro
if err != nil {
return nil, err
}
if resp.StatusCode != http.StatusOK {
return nil, fmt.Errorf("Binance klines API error (status %d): %s", resp.StatusCode, truncateBody(body))
}
var klineResponses []KlineResponse
err = json.Unmarshal(body, &klineResponses)
@@ -144,6 +158,9 @@ func (c *APIClient) GetCurrentPrice(symbol string) (float64, error) {
if err != nil {
return 0, err
}
if resp.StatusCode != http.StatusOK {
return 0, fmt.Errorf("Binance price API error (status %d): %s", resp.StatusCode, truncateBody(body))
}
var ticker PriceTicker
err = json.Unmarshal(body, &ticker)