141 lines
3.3 KiB
Go
141 lines
3.3 KiB
Go
package bybit
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import (
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"bytes"
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"context"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"net/url"
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)
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type response struct {
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RetCode int `json:"retCode"`
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RetMsg string `json:"retMsg"`
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Result json.RawMessage `json:"result"`
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Time int64 `json:"time"`
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RetExtInfo json.RawMessage `json:"retExtInfo"`
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}
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func (b *Bybit) makeRequest(ctx context.Context, method string, endpoint string, params any, v any) error {
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// send request
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var (
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body []byte
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err error
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)
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switch method {
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case http.MethodGet:
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body, err = b.getRequest(ctx, endpoint, params)
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case http.MethodPost:
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body, err = b.postRequest(ctx, endpoint, params)
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default:
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return fmt.Errorf("method not correct")
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}
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if err != nil {
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return fmt.Errorf("failed to make request: %w", err)
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}
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b.log.Debug("bybit request", "endpoint", endpoint, "params", params, "body", string(body))
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var resp response
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if err := json.Unmarshal(body, &resp); err != nil {
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return fmt.Errorf("failed to parse response: %w", err)
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}
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if resp.RetCode != 0 {
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return fmt.Errorf("response not ok: code: %d, msg: %s, info: %s, result: %s", resp.RetCode, resp.RetMsg, resp.RetExtInfo, resp.Result)
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}
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if v == nil {
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return nil
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}
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if err := json.Unmarshal(resp.Result, v); err != nil {
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return fmt.Errorf("failed to parse result: %w", err)
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}
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return nil
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}
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func (b *Bybit) getRequest(ctx context.Context, endPoint string, params any) ([]byte, error) {
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// params to query
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queryString := ""
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if params != nil {
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b, err := json.Marshal(params)
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if err != nil {
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return nil, err
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}
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var q map[string]any
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if err := json.Unmarshal(b, &q); err != nil {
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return nil, err
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}
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query := make(url.Values)
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for k, v := range q {
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if v == nil {
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continue
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}
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query.Add(k, fmt.Sprint(v))
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}
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queryString = query.Encode()
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}
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// make request
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request, err := http.NewRequest("GET", b.cfg.BaseURL+endPoint+"?"+queryString, nil)
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if err != nil {
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return nil, fmt.Errorf("failed to make request: %w", err)
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}
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request = request.WithContext(ctx)
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request.Header.Set("Content-Type", "application/json")
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// b.setRequestAPIHeaders(request, []byte(queryString))
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// get response
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response, err := b.client.Do(request)
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if err != nil {
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return nil, fmt.Errorf("failed to make request: %w", err)
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}
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defer response.Body.Close()
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body, err := io.ReadAll(response.Body)
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if err != nil {
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return nil, fmt.Errorf("failed to read response: %w", err)
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}
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return body, nil
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}
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func (b *Bybit) postRequest(ctx context.Context, endPoint string, params any) ([]byte, error) {
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// params to json
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jsonData, err := json.Marshal(params)
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if err != nil {
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return nil, fmt.Errorf("failed to marshal params: %w", err)
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}
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// make request
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request, err := http.NewRequest("POST", b.cfg.BaseURL+endPoint, bytes.NewBuffer(jsonData))
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if err != nil {
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return nil, fmt.Errorf("failed to make request: %w", err)
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}
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request = request.WithContext(ctx)
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request.Header.Set("Content-Type", "application/json")
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// b.setRequestAPIHeaders(request, jsonData)
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// get response
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response, err := b.client.Do(request)
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if err != nil {
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return nil, fmt.Errorf("failed to make request: %w", err)
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}
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defer response.Body.Close()
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body, err := io.ReadAll(response.Body)
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if err != nil {
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return nil, fmt.Errorf("failed to read response: %w", err)
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}
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return body, nil
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}
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