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282
common/helper/binancehttphelper.go
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282
common/helper/binancehttphelper.go
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package helper
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import (
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"crypto/hmac"
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"crypto/sha256"
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"crypto/tls"
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"encoding/hex"
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"fmt"
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"io/ioutil"
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"net/http"
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"net/url"
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"reflect"
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"strconv"
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"strings"
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"time"
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"github.com/shopspring/decimal"
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)
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type BinanceClient struct {
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APIKey string
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APISecret string
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HTTPClient *http.Client
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SpotBaseURL string //现货api地址
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FutBaseURL string //合约api地址
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}
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// NewBinanceClient creates a new Binance client
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func NewBinanceClient(apiKey, apiSecret string, proxyType, proxyAddr string) (*BinanceClient, error) {
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// Create HTTP client with transport settings
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client := &http.Client{
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Transport: &http.Transport{
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MaxIdleConns: 1000,
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IdleConnTimeout: 10 * time.Second, // 设置超时 10 秒
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TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
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},
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}
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err := CreateHtppProxy(proxyType, proxyAddr, client)
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if err != nil {
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return nil, err
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}
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return &BinanceClient{
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APIKey: apiKey,
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APISecret: apiSecret,
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HTTPClient: client,
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SpotBaseURL: "https://api.binance.com",
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FutBaseURL: "https://fapi.binance.com",
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}, nil
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}
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// Helper to get proxy password from URL
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func getProxyPassword(proxyURL *url.URL) string {
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if password, ok := proxyURL.User.Password(); ok {
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return password
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}
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return ""
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}
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// signRequest generates HMAC SHA256 signature
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func (bc *BinanceClient) signRequest(query string) string {
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mac := hmac.New(sha256.New, []byte(bc.APISecret))
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mac.Write([]byte(query))
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return hex.EncodeToString(mac.Sum(nil))
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}
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/*
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binance 现货请求
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- @endpoint 路由
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- @method get、post
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- @params 参数map
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*/
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func (bc *BinanceClient) SendSpotRequest(endpoint string, method string, params map[string]string) ([]byte, int, error) {
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// Prepare URL
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reqURL := bc.SpotBaseURL + endpoint
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return bc.SendRequest(reqURL, method, params, 0)
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}
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/*
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binance 现货请求
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- @endpoint 路由
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- @method get、post
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- @params 参数map
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*/
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func (bc *BinanceClient) SendSpotRequestAuth(endpoint string, method string, params map[string]string) ([]byte, int, error) {
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// Prepare URL
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reqURL := bc.SpotBaseURL + endpoint
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return bc.SendRequest(reqURL, method, params, 2)
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}
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/*
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binance 现货请求
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- @endpoint 路由
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- @method get、post
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- @params 参数map
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*/
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func (bc *BinanceClient) SendSpotAuth(endpoint string, method string, params interface{}) ([]byte, int, error) {
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// Prepare URL
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reqURL := bc.SpotBaseURL + endpoint
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return bc.SendRequest(reqURL, method, params, 2)
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}
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/*
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binance 现货请求 只需要api key
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- @endpoint 路由
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- @method get、post
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- @params 参数map
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*/
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func (bc *BinanceClient) SendSpotRequestByKey(endpoint string, method string, params interface{}) ([]byte, int, error) {
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// Prepare URL
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reqURL := bc.SpotBaseURL + endpoint
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return bc.SendRequest(reqURL, method, params, 1)
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}
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/*
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binance 合约请求
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- @endpoint 路由
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- @method get、post
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- @params 参数map
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*/
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func (bc *BinanceClient) SendFuturesRequest(endpoint string, method string, params map[string]string) ([]byte, int, error) {
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// Prepare URL
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reqURL := bc.FutBaseURL + endpoint
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return bc.SendRequest(reqURL, method, params, 0)
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}
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/*
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binance 合约请求
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- @endpoint 路由
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- @method get、post
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- @params 参数map
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*/
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func (bc *BinanceClient) SendFuturesRequestAuth(endpoint string, method string, params map[string]string) ([]byte, int, error) {
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// Prepare URL
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reqURL := bc.FutBaseURL + endpoint
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return bc.SendRequest(reqURL, method, params, 2)
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}
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/*
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binance 合约请求
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- @endpoint 路由
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- @method get、post
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- @params 参数map
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*/
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func (bc *BinanceClient) SendFuturesRequestByKey(endpoint string, method string, params map[string]string) ([]byte, int, error) {
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// Prepare URL
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reqURL := bc.FutBaseURL + endpoint
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return bc.SendRequest(reqURL, method, params, 1)
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}
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/*
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binance 合约请求
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- @endpoint 路由
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- @method get、post
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- @params 参数map
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*/
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func (bc *BinanceClient) SendFuturesAuth(endpoint string, method string, params interface{}) ([]byte, int, error) {
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// Prepare URL
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reqURL := bc.FutBaseURL + endpoint
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return bc.SendRequest(reqURL, method, params, 2)
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}
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// SendRequest sends a request to Binance API
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/*
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发送请求
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- auth 0-不需要 1-只需要key 2-需要key和签名
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*/
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func (bc *BinanceClient) SendRequest(reqURL string, method string, params interface{}, auth int) ([]byte, int, error) {
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method = strings.ToUpper(method)
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reqParams := url.Values{}
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// 处理 `params`，如果是 map[string]string 则添加为 URL 参数
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if paramMap, ok := params.(map[string]string); ok {
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for k, v := range paramMap {
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reqParams.Add(k, v)
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}
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} else if v := reflect.ValueOf(params); v.Kind() == reflect.Struct {
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for i := 0; i < v.NumField(); i++ {
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field := v.Type().Field(i)
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value := v.Field(i)
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// 获取字段名或 JSON 标签名
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key := field.Tag.Get("json")
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if key == "" {
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key = field.Name // 如果没有 json 标签，使用字段名
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}
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// 检查字段类型并转换为对应的字符串
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var strValue string
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switch value.Kind() {
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case reflect.String:
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strValue = value.String()
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case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
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strValue = strconv.FormatInt(value.Int(), 10)
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case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
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strValue = strconv.FormatUint(value.Uint(), 10)
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case reflect.Float32, reflect.Float64:
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strValue = strconv.FormatFloat(value.Float(), 'f', -1, 64)
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case reflect.Bool:
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strValue = strconv.FormatBool(value.Bool())
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case reflect.Struct:
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// 处理 decimal.Decimal 类型
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if value.Type() == reflect.TypeOf(decimal.Decimal{}) {
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strValue = value.Interface().(decimal.Decimal).String()
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} else {
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continue // 跳过其他 struct 类型
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}
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default:
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continue // 跳过不支持的类型
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}
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// 添加到 reqParams
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reqParams.Add(key, strValue)
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}
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}
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// Add timestamp if signature is needed
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if auth == 2 && bc.APIKey != "" && bc.APISecret != "" {
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reqParams.Add("timestamp", fmt.Sprintf("%d", time.Now().UnixMilli()))
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signature := bc.signRequest(reqParams.Encode())
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reqParams.Add("signature", signature)
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}
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// Create HTTP request
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var req *http.Request
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var err error
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if method == http.MethodGet || method == http.MethodDelete {
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if len(reqParams) > 0 {
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reqURL = fmt.Sprintf("%s?%s", reqURL, reqParams.Encode())
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}
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req, err = http.NewRequest(method, reqURL, nil)
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} else {
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// req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
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if len(reqParams) > 0 {
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reqURL = fmt.Sprintf("%s?%s", reqURL, reqParams.Encode())
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}
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req, err = http.NewRequest(method, reqURL, nil)
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}
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if err != nil {
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return nil, -1, fmt.Errorf("failed to create request: %w", err)
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}
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// Set headers
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if auth > 0 && bc.APIKey != "" {
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req.Header.Set("X-MBX-APIKEY", bc.APIKey)
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}
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// req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
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// Send request
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resp, err := bc.HTTPClient.Do(req)
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if err != nil {
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return nil, -1, fmt.Errorf("failed to send request: %w", err)
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}
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defer resp.Body.Close()
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// Read response
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body, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return nil, -1, fmt.Errorf("failed to read response: %w", err)
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}
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if resp.StatusCode != http.StatusOK {
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return nil, resp.StatusCode, fmt.Errorf("%s", body)
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}
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return body, http.StatusOK, nil
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}
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