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kucoinapi: refactor api client

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This commit is contained in:
c9s 2021-12-22 23:21:40 +08:00
parent c8dd02335b
commit 7f92588883
1 changed files with 23 additions and 17 deletions
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40
pkg/exchange/kucoin/kucoinapi/client.go
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@ -120,25 +120,11 @@ func (c *RestClient) newAuthenticatedRequest(method, refURL string, params url.V
path += "?" + rel.RawQuery
}
var body []byte
if payload != nil {
switch v := payload.(type) {
case string:
body = []byte(v)
case []byte:
body = v
default:
body, err = json.Marshal(v)
if err != nil {
return nil, err
}
}
body, err := castPayload(payload)
if err != nil {
return nil, err
}
req, err := http.NewRequest(method, pathURL.String(), bytes.NewReader(body))
if err != nil {
return nil, err
@ -152,6 +138,7 @@ func (c *RestClient) newAuthenticatedRequest(method, refURL string, params url.V
return req, nil
}
func (c *RestClient) attachAuthHeaders(req *http.Request, method string, path string, body []byte) {
// Set location to UTC so that it outputs "2020-12-08T09:08:57.715Z"
t := time.Now().In(time.UTC)
@ -167,6 +154,7 @@ func (c *RestClient) attachAuthHeaders(req *http.Request, method string, path st
req.Header.Add("KC-API-KEY-VERSION", c.KeyVersion)
}
// sign uses sha256 to sign the payload with the given secret
func sign(secret, payload string) string {
var sig = hmac.New(sha256.New, []byte(secret))
_, err := sig.Write([]byte(payload))
@ -176,3 +164,21 @@ func sign(secret, payload string) string {
return base64.StdEncoding.EncodeToString(sig.Sum(nil))
}
func castPayload(payload interface{}) ([]byte, error) {
if payload != nil {
switch v := payload.(type) {
case string:
return []byte(v), nil
case []byte:
return v, nil
default:
body, err := json.Marshal(v)
return body, err
}
}
return nil, nil
}