Revert "feat: 添加 OKX 交易所支持 (#1150)"

This reverts commit 174f59b907.

api/server.go

@@ -443,7 +443,6 @@ type UpdateExchangeConfigRequest struct {
 		AsterPrivateKey       string `json:"aster_private_key"`
 		LighterWalletAddr     string `json:"lighter_wallet_addr"`
 		LighterPrivateKey     string `json:"lighter_private_key"`
-		OKXPassphrase         string `json:"okx_passphrase"`
 	} `json:"exchanges"`
 }
 
@@ -551,13 +550,6 @@ func (s *Server) handleCreateTrader(c *gin.Context) {
 		switch req.ExchangeID {
 		case "binance":
 			tempTrader = trader.NewFuturesTrader(exchangeCfg.APIKey, exchangeCfg.SecretKey, userID)
-		case "okx":
-			tempTrader = trader.NewOKXTrader(
-				exchangeCfg.APIKey,
-				exchangeCfg.SecretKey,
-				exchangeCfg.OKXPassphrase,
-				exchangeCfg.Testnet,
-			)
 		case "hyperliquid":
 			tempTrader, createErr = trader.NewHyperliquidTrader(
 				exchangeCfg.APIKey, // private key
@@ -1216,7 +1208,7 @@ func (s *Server) handleUpdateExchangeConfigs(c *gin.Context) {
 
 	// 更新每个交易所的配置
 	for exchangeID, exchangeData := range req.Exchanges {
-		err := s.database.UpdateExchange(userID, exchangeID, exchangeData.Enabled, exchangeData.APIKey, exchangeData.SecretKey, exchangeData.Testnet, exchangeData.HyperliquidWalletAddr, exchangeData.AsterUser, exchangeData.AsterSigner, exchangeData.AsterPrivateKey, exchangeData.LighterWalletAddr, exchangeData.LighterPrivateKey, exchangeData.OKXPassphrase)
+		err := s.database.UpdateExchange(userID, exchangeID, exchangeData.Enabled, exchangeData.APIKey, exchangeData.SecretKey, exchangeData.Testnet, exchangeData.HyperliquidWalletAddr, exchangeData.AsterUser, exchangeData.AsterSigner, exchangeData.AsterPrivateKey, exchangeData.LighterWalletAddr, exchangeData.LighterPrivateKey)
 		if err != nil {
 			c.JSON(http.StatusInternalServerError, gin.H{"error": fmt.Sprintf("更新交易所 %s 失败: %v", exchangeID, err)})
 			return

api/utils.go

@@ -46,7 +46,6 @@ func SanitizeExchangeConfigForLog(exchanges map[string]struct {
 	AsterPrivateKey       string `json:"aster_private_key"`
 	LighterWalletAddr     string `json:"lighter_wallet_addr"`
 	LighterPrivateKey     string `json:"lighter_private_key"`
-	OKXPassphrase         string `json:"okx_passphrase"`
 }) map[string]interface{} {
 	safe := make(map[string]interface{})
 	for exchangeID, cfg := range exchanges {
@@ -68,9 +67,6 @@ func SanitizeExchangeConfigForLog(exchanges map[string]struct {
 		if cfg.LighterPrivateKey != "" {
 			safeExchange["lighter_private_key"] = MaskSensitiveString(cfg.LighterPrivateKey)
 		}
-		if cfg.OKXPassphrase != "" {
-			safeExchange["okx_passphrase"] = MaskSensitiveString(cfg.OKXPassphrase)
-		}
 
 		// 非敏感字段直接添加
 		if cfg.HyperliquidWalletAddr != "" {

config/database.go

@@ -152,8 +152,6 @@ func (d *Database) createTables() error {
 			lighter_wallet_addr TEXT DEFAULT '',
 			lighter_private_key TEXT DEFAULT '',
 			lighter_api_key_private_key TEXT DEFAULT '',
-			-- OKX 特定字段
-			okx_passphrase TEXT DEFAULT '',
 			created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
 			updated_at DATETIME DEFAULT CURRENT_TIMESTAMP,
 			FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
@@ -364,7 +362,6 @@ func (d *Database) createTables() error {
 		`ALTER TABLE exchanges ADD COLUMN lighter_wallet_addr TEXT DEFAULT ''`,
 		`ALTER TABLE exchanges ADD COLUMN lighter_private_key TEXT DEFAULT ''`,
 		`ALTER TABLE exchanges ADD COLUMN lighter_api_key_private_key TEXT DEFAULT ''`,
-		`ALTER TABLE exchanges ADD COLUMN okx_passphrase TEXT DEFAULT ''`,
 		`ALTER TABLE traders ADD COLUMN custom_prompt TEXT DEFAULT ''`,
 		`ALTER TABLE traders ADD COLUMN override_base_prompt BOOLEAN DEFAULT 0`,
 		`ALTER TABLE traders ADD COLUMN is_cross_margin BOOLEAN DEFAULT 1`,             // 默认为全仓模式
@@ -492,7 +489,6 @@ func (d *Database) initDefaultData() error {
 	}{
 		{"binance", "Binance Futures", "binance"},
 		{"bybit", "Bybit Futures", "bybit"},
-		{"okx", "OKX Futures", "okx"},
 		{"hyperliquid", "Hyperliquid", "hyperliquid"},
 		{"aster", "Aster DEX", "aster"},
 		{"lighter", "LIGHTER DEX", "lighter"},
@@ -752,10 +748,8 @@ type ExchangeConfig struct {
 	LighterWalletAddr       string `json:"lighterWalletAddr"`       // Ethereum 钱包地址 (L1)
 	LighterPrivateKey       string `json:"lighterPrivateKey"`       // L1私钥（用于识别账户）
 	LighterAPIKeyPrivateKey string `json:"lighterAPIKeyPrivateKey"` // API Key私钥（40字节，用于签名交易）
-	// OKX 特定字段
+	CreatedAt          time.Time `json:"created_at"`
-	OKXPassphrase string `json:"okxPassphrase"` // OKX API Passphrase
+	UpdatedAt          time.Time `json:"updated_at"`
-	CreatedAt     time.Time `json:"created_at"`
-	UpdatedAt     time.Time `json:"updated_at"`
 }
 
 // TraderRecord 交易员配置（数据库实体）
@@ -1146,16 +1140,7 @@ func (d *Database) GetExchanges(userID string) ([]*ExchangeConfig, error) {
 		       COALESCE(aster_private_key, '') as aster_private_key,
 		       COALESCE(lighter_wallet_addr, '') as lighter_wallet_addr,
 		       COALESCE(lighter_private_key, '') as lighter_private_key,
-	       COALESCE(lighter_api_key_private_key, '') as lighter_api_key_private_key,
+		       COALESCE(lighter_api_key_private_key, '') as lighter_api_key_private_key,
-	       COALESCE(okx_passphrase, '') as okx_passphrase,
-	       COALESCE(lighter_api_key_private_key, '') as lighter_api_key_private_key,
-	       COALESCE(okx_passphrase, '') as okx_passphrase,
-	       COALESCE(lighter_api_key_private_key, '') as lighter_api_key_private_key,
-	       COALESCE(okx_passphrase, '') as okx_passphrase,
-	       COALESCE(lighter_api_key_private_key, '') as lighter_api_key_private_key,
-	       COALESCE(okx_passphrase, '') as okx_passphrase,
-	       COALESCE(lighter_api_key_private_key, '') as lighter_api_key_private_key,
-	       COALESCE(okx_passphrase, '') as okx_passphrase,
 		       created_at, updated_at
 		FROM exchanges WHERE user_id = ? ORDER BY id
 	`, userID)
@@ -1176,7 +1161,6 @@ func (d *Database) GetExchanges(userID string) ([]*ExchangeConfig, error) {
 			&exchange.AsterSigner, &exchange.AsterPrivateKey,
 			&exchange.LighterWalletAddr, &exchange.LighterPrivateKey,
 			&exchange.LighterAPIKeyPrivateKey,
-			&exchange.OKXPassphrase,
 			&createdAt, &updatedAt,
 		)
 		if err != nil {
@@ -1193,7 +1177,6 @@ func (d *Database) GetExchanges(userID string) ([]*ExchangeConfig, error) {
 		exchange.AsterPrivateKey = d.decryptSensitiveData(exchange.AsterPrivateKey)
 		exchange.LighterPrivateKey = d.decryptSensitiveData(exchange.LighterPrivateKey)
 		exchange.LighterAPIKeyPrivateKey = d.decryptSensitiveData(exchange.LighterAPIKeyPrivateKey)
-		exchange.OKXPassphrase = d.decryptSensitiveData(exchange.OKXPassphrase)
 
 		exchanges = append(exchanges, &exchange)
 	}
@@ -1202,8 +1185,8 @@ func (d *Database) GetExchanges(userID string) ([]*ExchangeConfig, error) {
 }
 
 // UpdateExchange 更新交易所配置，如果不存在则创建用户特定配置
-// 🔒 安全特性：空值不会覆盖现有的敏感字段（api_key, secret_key, aster_private_key, lighter_private_key, okx_passphrase）
+// 🔒 安全特性：空值不会覆盖现有的敏感字段（api_key, secret_key, aster_private_key, lighter_private_key）
-func (d *Database) UpdateExchange(userID, id string, enabled bool, apiKey, secretKey string, testnet bool, hyperliquidWalletAddr, asterUser, asterSigner, asterPrivateKey, lighterWalletAddr, lighterPrivateKey, okxPassphrase string) error {
+func (d *Database) UpdateExchange(userID, id string, enabled bool, apiKey, secretKey string, testnet bool, hyperliquidWalletAddr, asterUser, asterSigner, asterPrivateKey, lighterWalletAddr, lighterPrivateKey string) error {
 	log.Printf("🔧 UpdateExchange: userID=%s, id=%s, enabled=%v", userID, id, enabled)
 
 	// 构建动态 UPDATE SET 子句
@@ -1244,12 +1227,6 @@ func (d *Database) UpdateExchange(userID, id string, enabled bool, apiKey, secre
 		args = append(args, encryptedLighterPrivateKey)
 	}
 
-	if okxPassphrase != "" {
-		encryptedOKXPassphrase := d.encryptSensitiveData(okxPassphrase)
-		setClauses = append(setClauses, "okx_passphrase = ?")
-		args = append(args, encryptedOKXPassphrase)
-	}
-
 	// WHERE 条件
 	args = append(args, id, userID)
 
@@ -1290,9 +1267,6 @@ func (d *Database) UpdateExchange(userID, id string, enabled bool, apiKey, secre
 		} else if id == "hyperliquid" {
 			name = "Hyperliquid"
 			typ = "dex"
-		} else if id == "okx" {
-			name = "OKX Futures"
-			typ = "cex"
 		} else if id == "aster" {
 			name = "Aster DEX"
 			typ = "dex"
@@ -1311,15 +1285,14 @@ func (d *Database) UpdateExchange(userID, id string, enabled bool, apiKey, secre
 		encryptedSecretKey := d.encryptSensitiveData(secretKey)
 		encryptedAsterPrivateKey := d.encryptSensitiveData(asterPrivateKey)
 		encryptedLighterPrivateKey := d.encryptSensitiveData(lighterPrivateKey)
-		encryptedOKXPassphrase := d.encryptSensitiveData(okxPassphrase)
 
 		// 创建用户特定的配置，使用原始的交易所ID
 		_, err = d.db.Exec(`
 			INSERT INTO exchanges (id, user_id, name, type, enabled, api_key, secret_key, testnet,
 			                       hyperliquid_wallet_addr, aster_user, aster_signer, aster_private_key,
-			                       lighter_wallet_addr, lighter_private_key, okx_passphrase, created_at, updated_at)
+			                       lighter_wallet_addr, lighter_private_key, created_at, updated_at)
-			VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, datetime('now'), datetime('now'))
+			VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, datetime('now'), datetime('now'))
-		`, id, userID, name, typ, enabled, encryptedAPIKey, encryptedSecretKey, testnet, hyperliquidWalletAddr, asterUser, asterSigner, encryptedAsterPrivateKey, lighterWalletAddr, encryptedLighterPrivateKey, encryptedOKXPassphrase)
+		`, id, userID, name, typ, enabled, encryptedAPIKey, encryptedSecretKey, testnet, hyperliquidWalletAddr, asterUser, asterSigner, encryptedAsterPrivateKey, lighterWalletAddr, encryptedLighterPrivateKey)
 
 		if err != nil {
 			log.Printf("❌ UpdateExchange: 创建记录失败: %v", err)

trader/okx_trader.go

@@ -1,490 +0,0 @@
-package trader
-
-import (
-	"bytes"
-	"crypto/hmac"
-	"crypto/sha256"
-	"encoding/base64"
-	"encoding/json"
-	"fmt"
-	"io"
-	"log"
-	"net/http"
-	"strconv"
-	"strings"
-	"sync"
-	"time"
-)
-
-// OKXTrader OKX USDT 永續合約交易器
-type OKXTrader struct {
-	apiKey     string
-	secretKey  string
-	passphrase string
-	baseURL    string
-	httpClient *http.Client
-	testnet    bool
-
-	// 餘額緩存
-	cachedBalance     map[string]interface{}
-	balanceCacheTime  time.Time
-	balanceCacheMutex sync.RWMutex
-
-	// 持倉緩存
-	cachedPositions     []map[string]interface{}
-	positionsCacheTime  time.Time
-	positionsCacheMutex sync.RWMutex
-
-	// 緩存有效期（15秒）
-	cacheDuration time.Duration
-}
-
-// NewOKXTrader 創建 OKX 交易器
-func NewOKXTrader(apiKey, secretKey, passphrase string, testnet bool) *OKXTrader {
-	baseURL := "https://www.okx.com"
-
-	trader := &OKXTrader{
-		apiKey:        apiKey,
-		secretKey:     secretKey,
-		passphrase:    passphrase,
-		baseURL:       baseURL,
-		testnet:       testnet,
-		httpClient:    &http.Client{Timeout: 30 * time.Second},
-		cacheDuration: 15 * time.Second,
-	}
-
-	log.Printf("🟠 [OKX] 交易器已初始化 (testnet=%v)", testnet)
-	return trader
-}
-
-// sign 生成 OKX API v5 簽名
-// 簽名算法：Base64(HMAC-SHA256(timestamp + method + requestPath + body, SecretKey))
-func (t *OKXTrader) sign(timestamp, method, requestPath, body string) string {
-	// 構建待簽名字符串：timestamp + method + requestPath + body
-	message := timestamp + method + requestPath + body
-
-	// HMAC-SHA256 簽名
-	h := hmac.New(sha256.New, []byte(t.secretKey))
-	h.Write([]byte(message))
-	signature := base64.StdEncoding.EncodeToString(h.Sum(nil))
-
-	return signature
-}
-
-// request 發送 HTTP 請求到 OKX API
-func (t *OKXTrader) request(method, path string, params map[string]interface{}) (map[string]interface{}, error) {
-	// 生成 ISO 8601 時間戳（含毫秒）
-	timestamp := time.Now().UTC().Format("2006-01-02T15:04:05.000Z")
-
-	// 構建請求體
-	var bodyBytes []byte
-	var bodyStr string
-	if params != nil && len(params) > 0 {
-		var err error
-		bodyBytes, err = json.Marshal(params)
-		if err != nil {
-			return nil, fmt.Errorf("序列化請求體失敗: %w", err)
-		}
-		bodyStr = string(bodyBytes)
-	} else {
-		bodyStr = ""
-	}
-
-	// 構建完整 URL
-	url := t.baseURL + path
-
-	// 生成簽名
-	signature := t.sign(timestamp, method, path, bodyStr)
-
-	// 創建請求
-	var req *http.Request
-	var err error
-	if bodyStr != "" {
-		req, err = http.NewRequest(method, url, bytes.NewBuffer(bodyBytes))
-	} else {
-		req, err = http.NewRequest(method, url, nil)
-	}
-	if err != nil {
-		return nil, fmt.Errorf("創建請求失敗: %w", err)
-	}
-
-	// 設置請求頭
-	req.Header.Set("Content-Type", "application/json")
-	req.Header.Set("OK-ACCESS-KEY", t.apiKey)
-	req.Header.Set("OK-ACCESS-SIGN", signature)
-	req.Header.Set("OK-ACCESS-TIMESTAMP", timestamp)
-	req.Header.Set("OK-ACCESS-PASSPHRASE", t.passphrase)
-
-	// Demo 交易模式
-	if t.testnet {
-		req.Header.Set("x-simulated-trading", "1")
-	}
-
-	// 發送請求
-	resp, err := t.httpClient.Do(req)
-	if err != nil {
-		return nil, fmt.Errorf("發送請求失敗: %w", err)
-	}
-	defer resp.Body.Close()
-
-	// 讀取響應
-	respBody, err := io.ReadAll(resp.Body)
-	if err != nil {
-		return nil, fmt.Errorf("讀取響應失敗: %w", err)
-	}
-
-	// 解析 JSON
-	var result map[string]interface{}
-	if err := json.Unmarshal(respBody, &result); err != nil {
-		return nil, fmt.Errorf("解析響應失敗: %w, body: %s", err, string(respBody))
-	}
-
-	// 檢查錯誤
-	if code, ok := result["code"].(string); ok && code != "0" {
-		msg := result["msg"].(string)
-		return nil, fmt.Errorf("OKX API 錯誤 [%s]: %s", code, msg)
-	}
-
-	return result, nil
-}
-
-// GetBalance 獲取賬戶餘額
-func (t *OKXTrader) GetBalance() (map[string]interface{}, error) {
-	// 檢查緩存
-	t.balanceCacheMutex.RLock()
-	if t.cachedBalance != nil && time.Since(t.balanceCacheTime) < t.cacheDuration {
-		balance := t.cachedBalance
-		t.balanceCacheMutex.RUnlock()
-		log.Printf("✓ 使用緩存的賬戶餘額（緩存時間: %.1f秒前）", time.Since(t.balanceCacheTime).Seconds())
-		return balance, nil
-	}
-	t.balanceCacheMutex.RUnlock()
-
-	// 調用 API：GET /api/v5/account/balance
-	log.Printf("🔄 緩存過期，正在調用 OKX API 獲取賬戶餘額...")
-	result, err := t.request("GET", "/api/v5/account/balance", nil)
-	if err != nil {
-		return nil, fmt.Errorf("獲取 OKX 餘額失敗: %w", err)
-	}
-
-	// 解析響應
-	data, ok := result["data"].([]interface{})
-	if !ok || len(data) == 0 {
-		return nil, fmt.Errorf("OKX API 返回數據格式錯誤")
-	}
-
-	accountData := data[0].(map[string]interface{})
-	details := accountData["details"].([]interface{})
-
-	// 計算 USDT 餘額
-	var totalEq, availEq, upl float64
-	for _, detail := range details {
-		d := detail.(map[string]interface{})
-		if d["ccy"].(string) == "USDT" {
-			totalEq, _ = strconv.ParseFloat(d["eq"].(string), 64)
-			availEq, _ = strconv.ParseFloat(d["availEq"].(string), 64)
-			uplStr, ok := d["upl"].(string)
-			if ok {
-				upl, _ = strconv.ParseFloat(uplStr, 64)
-			}
-			break
-		}
-	}
-
-	balance := map[string]interface{}{
-		"totalWalletBalance":     totalEq,
-		"availableBalance":       availEq,
-		"totalUnrealizedProfit":  upl,
-		"wallet_balance":         totalEq,
-		"available_balance":      availEq,
-		"unrealized_profit":      upl,
-		"balance":                totalEq,
-	}
-
-	// 更新緩存
-	t.balanceCacheMutex.Lock()
-	t.cachedBalance = balance
-	t.balanceCacheTime = time.Now()
-	t.balanceCacheMutex.Unlock()
-
-	log.Printf("✓ OKX API 返回: 總餘額=%.2f, 可用=%.2f, 未實現盈虧=%.2f",
-		totalEq, availEq, upl)
-
-	return balance, nil
-}
-
-// GetPositions 獲取所有持倉
-func (t *OKXTrader) GetPositions() ([]map[string]interface{}, error) {
-	// 檢查緩存
-	t.positionsCacheMutex.RLock()
-	if t.cachedPositions != nil && time.Since(t.positionsCacheTime) < t.cacheDuration {
-		positions := t.cachedPositions
-		t.positionsCacheMutex.RUnlock()
-		return positions, nil
-	}
-	t.positionsCacheMutex.RUnlock()
-
-	// 調用 API：GET /api/v5/account/positions
-	result, err := t.request("GET", "/api/v5/account/positions", nil)
-	if err != nil {
-		return nil, fmt.Errorf("獲取 OKX 持倉失敗: %w", err)
-	}
-
-	// 解析響應
-	data, ok := result["data"].([]interface{})
-	if !ok {
-		return nil, fmt.Errorf("OKX API 返回數據格式錯誤")
-	}
-
-	positions := make([]map[string]interface{}, 0)
-	for _, item := range data {
-		pos := item.(map[string]interface{})
-
-		// 跳過空倉位
-		posStr := pos["pos"].(string)
-		if posStr == "0" {
-			continue
-		}
-
-		// 解析數據
-		quantity, _ := strconv.ParseFloat(posStr, 64)
-		entryPrice, _ := strconv.ParseFloat(pos["avgPx"].(string), 64)
-		markPrice, _ := strconv.ParseFloat(pos["markPx"].(string), 64)
-		upl, _ := strconv.ParseFloat(pos["upl"].(string), 64)
-		leverage, _ := strconv.ParseFloat(pos["lever"].(string), 64)
-		liqPx, _ := strconv.ParseFloat(pos["liqPx"].(string), 64)
-
-		// 計算保證金
-		notionalUsd, _ := strconv.ParseFloat(pos["notionalUsd"].(string), 64)
-		marginUsed := notionalUsd / leverage
-
-		// 計算盈虧百分比
-		uplPct := 0.0
-		if entryPrice > 0 {
-			uplPct = (upl / (quantity * entryPrice)) * 100
-		}
-
-		// 處理方向
-		side := "long"
-		if pos["posSide"].(string) == "short" {
-			side = "short"
-			quantity = -quantity // 空倉顯示負數
-		}
-
-		// 標準化 symbol：BTC-USDT-SWAP → BTCUSDT
-		instId := pos["instId"].(string)
-		symbol := strings.ReplaceAll(strings.ReplaceAll(instId, "-USDT-SWAP", ""), "-", "")
-
-		position := map[string]interface{}{
-			"symbol":            symbol,
-			"side":              side,
-			"entry_price":       entryPrice,
-			"mark_price":        markPrice,
-			"quantity":          quantity,
-			"leverage":          int(leverage),
-			"unrealized_pnl":    upl,
-			"unrealized_pnl_pct": uplPct,
-			"liquidation_price": liqPx,
-			"margin_used":       marginUsed,
-		}
-
-		positions = append(positions, position)
-	}
-
-	// 更新緩存
-	t.positionsCacheMutex.Lock()
-	t.cachedPositions = positions
-	t.positionsCacheTime = time.Now()
-	t.positionsCacheMutex.Unlock()
-
-	return positions, nil
-}
-
-// formatSymbol 將 symbol 轉換為 OKX 格式
-// BTCUSDT → BTC-USDT-SWAP
-func (t *OKXTrader) formatSymbol(symbol string) string {
-	// 移除 USDT 後綴，然後加上 -USDT-SWAP
-	base := strings.TrimSuffix(strings.ToUpper(symbol), "USDT")
-	return base + "-USDT-SWAP"
-}
-
-// OpenLong 開多倉
-func (t *OKXTrader) OpenLong(symbol string, quantity float64, leverage int) (map[string]interface{}, error) {
-	return t.placeOrder(symbol, "buy", "long", quantity, leverage)
-}
-
-// OpenShort 開空倉
-func (t *OKXTrader) OpenShort(symbol string, quantity float64, leverage int) (map[string]interface{}, error) {
-	return t.placeOrder(symbol, "sell", "short", quantity, leverage)
-}
-
-// CloseLong 平多倉
-func (t *OKXTrader) CloseLong(symbol string, quantity float64) (map[string]interface{}, error) {
-	return t.placeOrder(symbol, "sell", "long", quantity, 0)
-}
-
-// CloseShort 平空倉
-func (t *OKXTrader) CloseShort(symbol string, quantity float64) (map[string]interface{}, error) {
-	return t.placeOrder(symbol, "buy", "short", quantity, 0)
-}
-
-// placeOrder 下單核心邏輯
-func (t *OKXTrader) placeOrder(symbol, side, posSide string, quantity float64, leverage int) (map[string]interface{}, error) {
-	instId := t.formatSymbol(symbol)
-
-	// 如果指定了槓桿，先設置槓桿
-	if leverage > 0 {
-		if err := t.SetLeverage(symbol, leverage); err != nil {
-			log.Printf("⚠️ 設置槓桿失敗: %v", err)
-		}
-	}
-
-	// 構建訂單參數
-	params := map[string]interface{}{
-		"instId":  instId,
-		"tdMode":  "cross",                // 全倉模式
-		"side":    side,                   // buy/sell
-		"posSide": posSide,                // long/short
-		"ordType": "market",               // 市價單
-		"sz":      fmt.Sprintf("%f", quantity),
-	}
-
-	log.Printf("🟠 [OKX] 下單: %s %s %s, 數量=%.4f", instId, side, posSide, quantity)
-
-	// 調用 API：POST /api/v5/trade/order
-	result, err := t.request("POST", "/api/v5/trade/order", params)
-	if err != nil {
-		return nil, fmt.Errorf("OKX 下單失敗: %w", err)
-	}
-
-	// 清除緩存
-	t.clearCache()
-
-	return result, nil
-}
-
-// SetLeverage 設置槓桿
-func (t *OKXTrader) SetLeverage(symbol string, leverage int) error {
-	instId := t.formatSymbol(symbol)
-
-	params := map[string]interface{}{
-		"instId":  instId,
-		"lever":   strconv.Itoa(leverage),
-		"mgnMode": "cross", // 全倉模式
-	}
-
-	log.Printf("🟠 [OKX] 設置槓桿: %s, 槓桿=%d", instId, leverage)
-
-	_, err := t.request("POST", "/api/v5/account/set-leverage", params)
-	if err != nil {
-		// OKX 如果槓桿已經是目標值會返回錯誤，但可以忽略
-		if strings.Contains(err.Error(), "Leverage not modified") {
-			log.Printf("  ✓ 槓桿已是目標值")
-			return nil
-		}
-		return fmt.Errorf("設置槓桿失敗: %w", err)
-	}
-
-	log.Printf("  ✓ 槓桿設置成功")
-	return nil
-}
-
-// SetMarginMode 設置倉位模式（全倉/逐倉）
-func (t *OKXTrader) SetMarginMode(symbol string, isCrossMargin bool) error {
-	// OKX 的保證金模式在下單時指定（tdMode: cross/isolated）
-	// 這裡僅記錄日誌
-	mode := "isolated"
-	if isCrossMargin {
-		mode = "cross"
-	}
-	log.Printf("🟠 [OKX] 保證金模式: %s (在下單時指定)", mode)
-	return nil
-}
-
-// GetMarketPrice 獲取市場價格
-func (t *OKXTrader) GetMarketPrice(symbol string) (float64, error) {
-	instId := t.formatSymbol(symbol)
-
-	// 調用 API：GET /api/v5/market/ticker?instId=BTC-USDT-SWAP
-	path := fmt.Sprintf("/api/v5/market/ticker?instId=%s", instId)
-	result, err := t.request("GET", path, nil)
-	if err != nil {
-		return 0, fmt.Errorf("獲取市場價格失敗: %w", err)
-	}
-
-	// 解析響應
-	data, ok := result["data"].([]interface{})
-	if !ok || len(data) == 0 {
-		return 0, fmt.Errorf("OKX API 返回數據格式錯誤")
-	}
-
-	ticker := data[0].(map[string]interface{})
-	priceStr := ticker["last"].(string)
-	price, err := strconv.ParseFloat(priceStr, 64)
-	if err != nil {
-		return 0, fmt.Errorf("解析價格失敗: %w", err)
-	}
-
-	return price, nil
-}
-
-// SetStopLoss 設置止損單
-func (t *OKXTrader) SetStopLoss(symbol string, positionSide string, quantity, stopPrice float64) error {
-	log.Printf("🟠 [OKX] 設置止損: %s %s, 止損價=%.2f", symbol, positionSide, stopPrice)
-	// TODO: 實現止損邏輯
-	return fmt.Errorf("OKX 止損功能尚未實現")
-}
-
-// SetTakeProfit 設置止盈單
-func (t *OKXTrader) SetTakeProfit(symbol string, positionSide string, quantity, takeProfitPrice float64) error {
-	log.Printf("🟠 [OKX] 設置止盈: %s %s, 止盈價=%.2f", symbol, positionSide, takeProfitPrice)
-	// TODO: 實現止盈邏輯
-	return fmt.Errorf("OKX 止盈功能尚未實現")
-}
-
-// CancelStopLossOrders 取消止損單
-func (t *OKXTrader) CancelStopLossOrders(symbol string) error {
-	log.Printf("🟠 [OKX] 取消止損單: %s", symbol)
-	// TODO: 實現取消止損邏輯
-	return nil
-}
-
-// CancelTakeProfitOrders 取消止盈單
-func (t *OKXTrader) CancelTakeProfitOrders(symbol string) error {
-	log.Printf("🟠 [OKX] 取消止盈單: %s", symbol)
-	// TODO: 實現取消止盈邏輯
-	return nil
-}
-
-// CancelAllOrders 取消所有掛單
-func (t *OKXTrader) CancelAllOrders(symbol string) error {
-	instId := t.formatSymbol(symbol)
-	log.Printf("🟠 [OKX] 取消所有掛單: %s", instId)
-	// TODO: 實現取消所有訂單邏輯
-	return nil
-}
-
-// CancelStopOrders 取消止盈止損單
-func (t *OKXTrader) CancelStopOrders(symbol string) error {
-	log.Printf("🟠 [OKX] 取消止盈止損單: %s", symbol)
-	// TODO: 實現取消止盈止損邏輯
-	return nil
-}
-
-// FormatQuantity 格式化數量到正確的精度
-func (t *OKXTrader) FormatQuantity(symbol string, quantity float64) (string, error) {
-	// OKX 通常使用合約數量（contracts），不同幣種精度不同
-	// 這裡暫時返回標準格式
-	return fmt.Sprintf("%.4f", quantity), nil
-}
-
-// clearCache 清除緩存
-func (t *OKXTrader) clearCache() {
-	t.balanceCacheMutex.Lock()
-	t.cachedBalance = nil
-	t.balanceCacheMutex.Unlock()
-
-	t.positionsCacheMutex.Lock()
-	t.cachedPositions = nil
-	t.positionsCacheMutex.Unlock()
-}

trader/okx_trader_test.go

@@ -1,776 +0,0 @@
-package trader
-
-import (
-	"encoding/json"
-	"fmt"
-	"net/http"
-	"net/http/httptest"
-	"testing"
-	"time"
-
-	"github.com/stretchr/testify/assert"
-)
-
-// ============================================================
-// 一、OKXTraderTestSuite - 继承 base test suite
-// ============================================================
-
-// OKXTraderTestSuite OKX交易器测试套件
-// 继承 TraderTestSuite 并添加 OKX 特定的 mock 逻辑
-type OKXTraderTestSuite struct {
-	*TraderTestSuite // 嵌入基础测试套件
-	mockServer       *httptest.Server
-}
-
-// NewOKXTraderTestSuite 创建 OKX 测试套件
-func NewOKXTraderTestSuite(t *testing.T) *OKXTraderTestSuite {
-	// 创建 mock HTTP 服务器
-	mockServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		path := r.URL.Path
-		var respBody interface{}
-
-		switch {
-		// Mock GetBalance - /api/v5/account/balance
-		case path == "/api/v5/account/balance":
-			respBody = map[string]interface{}{
-				"code": "0",
-				"msg":  "",
-				"data": []map[string]interface{}{
-					{
-						"totalEq": "10100.50",
-						"details": []map[string]interface{}{
-							{
-								"ccy":        "USDT",
-								"eq":         "10000.00",
-								"availEq":    "8000.00",
-								"frozenBal":  "2000.00",
-								"upl":        "100.50",
-								"cashBal":    "10000.00",
-								"ordFrozen":  "0",
-								"liab":       "0",
-								"uTime":      "1609459200000",
-								"crossLiab":  "0",
-								"isoLiab":    "0",
-								"mgnRatio":   "",
-								"interest":   "0",
-								"twap":       "0",
-								"maxLoan":    "",
-								"eqUsd":      "10000.00",
-								"notionalLever": "",
-								"stgyEq":     "0",
-								"isoEq":      "0",
-							},
-						},
-					},
-				},
-			}
-
-		// Mock GetPositions - /api/v5/account/positions
-		case path == "/api/v5/account/positions":
-			respBody = map[string]interface{}{
-				"code": "0",
-				"msg":  "",
-				"data": []map[string]interface{}{
-					{
-						"instId":     "BTC-USDT-SWAP",
-						"pos":        "0.5",
-						"posSide":    "long",
-						"avgPx":      "50000.00",
-						"markPx":     "50500.00",
-						"upl":        "250.00",
-						"uplRatio":   "0.01",
-						"lever":      "10",
-						"liqPx":      "45000.00",
-						"notionalUsd": "25250.00",
-						"instType":   "SWAP",
-						"mgnMode":    "cross",
-						"cTime":      "1609459200000",
-						"uTime":      "1609459200000",
-					},
-				},
-			}
-
-		// Mock GetMarketPrice - /api/v5/market/ticker
-		case path == "/api/v5/market/ticker":
-			instId := r.URL.Query().Get("instId")
-			if instId == "" {
-				instId = "BTC-USDT-SWAP"
-			}
-
-			price := "50000.00"
-			if instId == "ETH-USDT-SWAP" {
-				price = "3000.00"
-			} else if instId == "INVALID-USDT-SWAP" {
-				// 返回错误
-				w.Header().Set("Content-Type", "application/json")
-				json.NewEncoder(w).Encode(map[string]interface{}{
-					"code": "51001",
-					"msg":  "Instrument ID does not exist",
-					"data": []interface{}{},
-				})
-				return
-			}
-
-			respBody = map[string]interface{}{
-				"code": "0",
-				"msg":  "",
-				"data": []map[string]interface{}{
-					{
-						"instId":   instId,
-						"last":     price,
-						"lastSz":   "1",
-						"askPx":    price,
-						"askSz":    "10",
-						"bidPx":    price,
-						"bidSz":    "10",
-						"open24h":  price,
-						"high24h":  price,
-						"low24h":   price,
-						"volCcy24h": "1000000",
-						"vol24h":   "20",
-						"ts":       "1609459200000",
-						"sodUtc0":  price,
-						"sodUtc8":  price,
-					},
-				},
-			}
-
-		// Mock CreateOrder - /api/v5/trade/order (POST)
-		case path == "/api/v5/trade/order" && r.Method == "POST":
-			respBody = map[string]interface{}{
-				"code": "0",
-				"msg":  "",
-				"data": []map[string]interface{}{
-					{
-						"ordId":  "123456789",
-						"clOrdId": "test_order_123",
-						"tag":    "",
-						"sCode":  "0",
-						"sMsg":   "",
-					},
-				},
-			}
-
-		// Mock SetLeverage - /api/v5/account/set-leverage (POST)
-		case path == "/api/v5/account/set-leverage" && r.Method == "POST":
-			respBody = map[string]interface{}{
-				"code": "0",
-				"msg":  "",
-				"data": []map[string]interface{}{
-					{
-						"instId":  "BTC-USDT-SWAP",
-						"lever":   "10",
-						"mgnMode": "cross",
-						"posSide": "long",
-					},
-				},
-			}
-
-		// Mock SetMarginMode - /api/v5/account/set-position-mode (POST)
-		case path == "/api/v5/account/set-position-mode" && r.Method == "POST":
-			respBody = map[string]interface{}{
-				"code": "0",
-				"msg":  "",
-				"data": []map[string]interface{}{
-					{
-						"posMode": "net_mode",
-					},
-				},
-			}
-
-		// Default: empty success response
-		default:
-			respBody = map[string]interface{}{
-				"code": "0",
-				"msg":  "",
-				"data": []interface{}{},
-			}
-		}
-
-		// 序列化响应
-		w.Header().Set("Content-Type", "application/json")
-		json.NewEncoder(w).Encode(respBody)
-	}))
-
-	// 创建 OKXTrader 并设置为使用 mock 服务器
-	trader := &OKXTrader{
-		apiKey:        "test_api_key",
-		secretKey:     "test_secret_key",
-		passphrase:    "test_passphrase",
-		baseURL:       mockServer.URL,
-		httpClient:    mockServer.Client(),
-		testnet:       false,
-		cacheDuration: 0, // 禁用缓存以便测试
-	}
-
-	// 创建基础套件
-	baseSuite := NewTraderTestSuite(t, trader)
-
-	return &OKXTraderTestSuite{
-		TraderTestSuite: baseSuite,
-		mockServer:      mockServer,
-	}
-}
-
-// Cleanup 清理资源
-func (s *OKXTraderTestSuite) Cleanup() {
-	if s.mockServer != nil {
-		s.mockServer.Close()
-	}
-	s.TraderTestSuite.Cleanup()
-}
-
-// ============================================================
-// 二、使用 OKXTraderTestSuite 运行通用测试
-// ============================================================
-
-// TestOKXTrader_InterfaceCompliance 测试接口兼容性
-func TestOKXTrader_InterfaceCompliance(t *testing.T) {
-	var _ Trader = (*OKXTrader)(nil)
-}
-
-// TestOKXTrader_CommonInterface 使用测试套件运行所有通用接口测试
-func TestOKXTrader_CommonInterface(t *testing.T) {
-	// 创建测试套件
-	suite := NewOKXTraderTestSuite(t)
-	defer suite.Cleanup()
-
-	// 运行所有通用接口测试
-	suite.RunAllTests()
-}
-
-// ============================================================
-// 三、OKX 特定功能的单元测试
-// ============================================================
-
-// TestNewOKXTrader 测试创建 OKX 交易器
-func TestNewOKXTrader(t *testing.T) {
-	tests := []struct {
-		name       string
-		apiKey     string
-		secretKey  string
-		passphrase string
-		testnet    bool
-		wantNil    bool
-	}{
-		{
-			name:       "成功创建（正式环境）",
-			apiKey:     "test_api_key",
-			secretKey:  "test_secret_key",
-			passphrase: "test_passphrase",
-			testnet:    false,
-			wantNil:    false,
-		},
-		{
-			name:       "成功创建（测试环境）",
-			apiKey:     "test_api_key",
-			secretKey:  "test_secret_key",
-			passphrase: "test_passphrase",
-			testnet:    true,
-			wantNil:    false,
-		},
-		{
-			name:       "空API Key仍可创建",
-			apiKey:     "",
-			secretKey:  "test_secret_key",
-			passphrase: "test_passphrase",
-			testnet:    false,
-			wantNil:    false,
-		},
-		{
-			name:       "空Secret Key仍可创建",
-			apiKey:     "test_api_key",
-			secretKey:  "",
-			passphrase: "test_passphrase",
-			testnet:    false,
-			wantNil:    false,
-		},
-		{
-			name:       "空Passphrase仍可创建",
-			apiKey:     "test_api_key",
-			secretKey:  "test_secret_key",
-			passphrase: "",
-			testnet:    false,
-			wantNil:    false,
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			trader := NewOKXTrader(tt.apiKey, tt.secretKey, tt.passphrase, tt.testnet)
-
-			if tt.wantNil {
-				assert.Nil(t, trader)
-			} else {
-				assert.NotNil(t, trader)
-				assert.NotNil(t, trader.httpClient)
-				assert.Equal(t, tt.apiKey, trader.apiKey)
-				assert.Equal(t, tt.secretKey, trader.secretKey)
-				assert.Equal(t, tt.passphrase, trader.passphrase)
-				assert.Equal(t, tt.testnet, trader.testnet)
-
-				// 检查 baseURL
-				if tt.testnet {
-					assert.Equal(t, "https://www.okx.com", trader.baseURL)
-				} else {
-					assert.Equal(t, "https://www.okx.com", trader.baseURL)
-				}
-
-				// 检查缓存时间
-				assert.Equal(t, 15*time.Second, trader.cacheDuration)
-			}
-		})
-	}
-}
-
-// TestOKXTrader_SymbolFormat 测试符号格式转换
-func TestOKXTrader_SymbolFormat(t *testing.T) {
-	trader := &OKXTrader{}
-
-	tests := []struct {
-		name     string
-		input    string
-		expected string
-	}{
-		{
-			name:     "BTC USDT Swap",
-			input:    "BTCUSDT",
-			expected: "BTC-USDT-SWAP",
-		},
-		{
-			name:     "ETH USDT Swap",
-			input:    "ETHUSDT",
-			expected: "ETH-USDT-SWAP",
-		},
-		{
-			name:     "SOL USDT Swap",
-			input:    "SOLUSDT",
-			expected: "SOL-USDT-SWAP",
-		},
-		{
-			name:     "小写输入",
-			input:    "btcusdt",
-			expected: "BTC-USDT-SWAP",
-		},
-		{
-			name:     "混合大小写",
-			input:    "BtcUsdT",
-			expected: "BTC-USDT-SWAP",
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			result := trader.formatSymbol(tt.input)
-			assert.Equal(t, tt.expected, result)
-		})
-	}
-}
-
-// TestOKXTrader_Sign 测试签名算法
-func TestOKXTrader_Sign(t *testing.T) {
-	trader := &OKXTrader{
-		secretKey: "test_secret_key",
-	}
-
-	// 测试签名一致性
-	timestamp := "2024-01-01T00:00:00.000Z"
-	method := "GET"
-	requestPath := "/api/v5/account/balance"
-	body := ""
-
-	// 多次签名应该产生相同结果
-	sign1 := trader.sign(timestamp, method, requestPath, body)
-	sign2 := trader.sign(timestamp, method, requestPath, body)
-	assert.Equal(t, sign1, sign2, "相同输入应产生相同签名")
-
-	// 不同输入应该产生不同签名
-	sign3 := trader.sign("2024-01-01T00:00:01.000Z", method, requestPath, body)
-	assert.NotEqual(t, sign1, sign3, "不同timestamp应产生不同签名")
-
-	sign4 := trader.sign(timestamp, "POST", requestPath, body)
-	assert.NotEqual(t, sign1, sign4, "不同method应产生不同签名")
-
-	sign5 := trader.sign(timestamp, method, "/api/v5/account/positions", body)
-	assert.NotEqual(t, sign1, sign5, "不同path应产生不同签名")
-
-	sign6 := trader.sign(timestamp, method, requestPath, `{"instId":"BTC-USDT-SWAP"}`)
-	assert.NotEqual(t, sign1, sign6, "不同body应产生不同签名")
-}
-
-// TestOKXTrader_GetBalance 测试获取余额
-func TestOKXTrader_GetBalance(t *testing.T) {
-	// 创建测试套件
-	suite := NewOKXTraderTestSuite(t)
-	defer suite.Cleanup()
-
-	trader := suite.Trader.(*OKXTrader)
-
-	// 测试获取余额
-	balance, err := trader.GetBalance()
-	assert.NoError(t, err)
-	assert.NotNil(t, balance)
-
-	// 验证返回的标准化余额字段
-	assert.Contains(t, balance, "totalWalletBalance")
-	assert.Contains(t, balance, "availableBalance")
-	assert.Contains(t, balance, "totalUnrealizedProfit")
-	assert.Contains(t, balance, "balance")
-
-	// 验证余额值
-	totalBalance, ok := balance["totalWalletBalance"].(float64)
-	assert.True(t, ok)
-	assert.Equal(t, 10000.00, totalBalance)
-
-	availBalance, ok := balance["availableBalance"].(float64)
-	assert.True(t, ok)
-	assert.Equal(t, 8000.00, availBalance)
-
-	upl, ok := balance["totalUnrealizedProfit"].(float64)
-	assert.True(t, ok)
-	assert.Equal(t, 100.50, upl)
-}
-
-// TestOKXTrader_GetPositions 测试获取持仓
-func TestOKXTrader_GetPositions(t *testing.T) {
-	// 创建测试套件
-	suite := NewOKXTraderTestSuite(t)
-	defer suite.Cleanup()
-
-	trader := suite.Trader.(*OKXTrader)
-
-	// 测试获取持仓
-	positions, err := trader.GetPositions()
-	assert.NoError(t, err)
-	assert.NotNil(t, positions)
-	assert.GreaterOrEqual(t, len(positions), 1)
-
-	// 验证标准化的持仓字段
-	position := positions[0]
-	assert.Contains(t, position, "symbol")
-	assert.Contains(t, position, "side")
-	assert.Contains(t, position, "entry_price")
-	assert.Contains(t, position, "mark_price")
-	assert.Contains(t, position, "quantity")
-	assert.Contains(t, position, "leverage")
-	assert.Contains(t, position, "unrealized_pnl")
-	assert.Contains(t, position, "unrealized_pnl_pct")
-	assert.Contains(t, position, "liquidation_price")
-	assert.Contains(t, position, "margin_used")
-
-	// 验证具体值（OKX 的数据被标准化）
-	assert.Equal(t, "BTC", position["symbol"]) // BTC-USDT-SWAP → BTC
-	assert.Equal(t, "long", position["side"])
-	assert.Equal(t, 50000.0, position["entry_price"])
-	assert.Equal(t, 50500.0, position["mark_price"])
-	assert.Equal(t, 0.5, position["quantity"])
-	assert.Equal(t, 10, position["leverage"])
-	assert.Equal(t, 250.0, position["unrealized_pnl"])
-	assert.Equal(t, 45000.0, position["liquidation_price"])
-}
-
-// TestOKXTrader_GetMarketPrice 测试获取市场价格
-func TestOKXTrader_GetMarketPrice(t *testing.T) {
-	// 创建测试套件
-	suite := NewOKXTraderTestSuite(t)
-	defer suite.Cleanup()
-
-	trader := suite.Trader.(*OKXTrader)
-
-	tests := []struct {
-		name      string
-		symbol    string
-		wantError bool
-		wantPrice float64
-	}{
-		{
-			name:      "获取BTC价格",
-			symbol:    "BTCUSDT",
-			wantError: false,
-			wantPrice: 50000.00,
-		},
-		{
-			name:      "获取ETH价格",
-			symbol:    "ETHUSDT",
-			wantError: false,
-			wantPrice: 3000.00,
-		},
-		{
-			name:      "无效符号",
-			symbol:    "INVALID",
-			wantError: true,
-			wantPrice: 0,
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			price, err := trader.GetMarketPrice(tt.symbol)
-
-			if tt.wantError {
-				assert.Error(t, err)
-			} else {
-				assert.NoError(t, err)
-				assert.Equal(t, tt.wantPrice, price)
-			}
-		})
-	}
-}
-
-// TestOKXTrader_FormatQuantity 测试数量格式化
-func TestOKXTrader_FormatQuantity(t *testing.T) {
-	trader := &OKXTrader{}
-
-	tests := []struct {
-		name     string
-		symbol   string
-		quantity float64
-		expected string
-	}{
-		{
-			name:     "整数数量",
-			symbol:   "BTCUSDT",
-			quantity: 1.0,
-			expected: "1.0000",
-		},
-		{
-			name:     "小数数量",
-			symbol:   "BTCUSDT",
-			quantity: 0.5,
-			expected: "0.5000",
-		},
-		{
-			name:     "多位小数（四舍五入到4位）",
-			symbol:   "BTCUSDT",
-			quantity: 0.123456,
-			expected: "0.1235",
-		},
-		{
-			name:     "零数量",
-			symbol:   "BTCUSDT",
-			quantity: 0,
-			expected: "0.0000",
-		},
-		{
-			name:     "大数量",
-			symbol:   "BTCUSDT",
-			quantity: 100.123,
-			expected: "100.1230",
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			result, err := trader.FormatQuantity(tt.symbol, tt.quantity)
-			assert.NoError(t, err)
-			assert.Equal(t, tt.expected, result)
-		})
-	}
-}
-
-// TestOKXTrader_SetLeverage 测试设置杠杆
-func TestOKXTrader_SetLeverage(t *testing.T) {
-	// 创建测试套件
-	suite := NewOKXTraderTestSuite(t)
-	defer suite.Cleanup()
-
-	trader := suite.Trader.(*OKXTrader)
-
-	// 测试设置杠杆
-	err := trader.SetLeverage("BTCUSDT", 10)
-	assert.NoError(t, err)
-}
-
-// TestOKXTrader_SetMarginMode 测试设置保证金模式
-func TestOKXTrader_SetMarginMode(t *testing.T) {
-	// 创建测试套件
-	suite := NewOKXTraderTestSuite(t)
-	defer suite.Cleanup()
-
-	trader := suite.Trader.(*OKXTrader)
-
-	// 测试设置保证金模式（cross margin = true）
-	err := trader.SetMarginMode("BTCUSDT", true)
-	assert.NoError(t, err)
-
-	// 测试设置保证金模式（isolated margin = false）
-	err = trader.SetMarginMode("BTCUSDT", false)
-	assert.NoError(t, err)
-}
-
-// TestOKXTrader_OpenLong 测试开多仓
-func TestOKXTrader_OpenLong(t *testing.T) {
-	// 创建测试套件
-	suite := NewOKXTraderTestSuite(t)
-	defer suite.Cleanup()
-
-	trader := suite.Trader.(*OKXTrader)
-
-	// 测试开多仓（OKX 的 OpenLong 接受 leverage 参数）
-	result, err := trader.OpenLong("BTCUSDT", 0.01, 10)
-	assert.NoError(t, err)
-	assert.NotNil(t, result)
-}
-
-// TestOKXTrader_OpenShort 测试开空仓
-func TestOKXTrader_OpenShort(t *testing.T) {
-	// 创建测试套件
-	suite := NewOKXTraderTestSuite(t)
-	defer suite.Cleanup()
-
-	trader := suite.Trader.(*OKXTrader)
-
-	// 测试开空仓（OKX 的 OpenShort 接受 leverage 参数）
-	result, err := trader.OpenShort("BTCUSDT", 0.01, 10)
-	assert.NoError(t, err)
-	assert.NotNil(t, result)
-}
-
-// TestOKXTrader_CloseLong 测试平多仓
-func TestOKXTrader_CloseLong(t *testing.T) {
-	// 创建测试套件
-	suite := NewOKXTraderTestSuite(t)
-	defer suite.Cleanup()
-
-	trader := suite.Trader.(*OKXTrader)
-
-	// 测试平多仓（OKX 的 CloseLong 只接受 symbol 和 quantity）
-	result, err := trader.CloseLong("BTCUSDT", 0.01)
-	assert.NoError(t, err)
-	assert.NotNil(t, result)
-}
-
-// TestOKXTrader_CloseShort 测试平空仓
-func TestOKXTrader_CloseShort(t *testing.T) {
-	// 创建测试套件
-	suite := NewOKXTraderTestSuite(t)
-	defer suite.Cleanup()
-
-	trader := suite.Trader.(*OKXTrader)
-
-	// 测试平空仓（OKX 的 CloseShort 只接受 symbol 和 quantity）
-	result, err := trader.CloseShort("BTCUSDT", 0.01)
-	assert.NoError(t, err)
-	assert.NotNil(t, result)
-}
-
-// TestOKXTrader_Cache 测试缓存机制
-func TestOKXTrader_Cache(t *testing.T) {
-	// 创建测试套件
-	suite := NewOKXTraderTestSuite(t)
-	defer suite.Cleanup()
-
-	trader := suite.Trader.(*OKXTrader)
-
-	// 启用缓存
-	trader.cacheDuration = 5 * time.Second
-
-	// 第一次调用 - 应该访问 API
-	balance1, err := trader.GetBalance()
-	assert.NoError(t, err)
-	assert.NotNil(t, balance1)
-
-	// 第二次调用 - 应该使用缓存
-	balance2, err := trader.GetBalance()
-	assert.NoError(t, err)
-	assert.NotNil(t, balance2)
-	assert.Equal(t, balance1, balance2)
-
-	// 清空缓存
-	trader.balanceCacheMutex.Lock()
-	trader.cachedBalance = nil
-	trader.balanceCacheTime = time.Time{}
-	trader.balanceCacheMutex.Unlock()
-
-	// 第三次调用 - 应该重新访问 API
-	balance3, err := trader.GetBalance()
-	assert.NoError(t, err)
-	assert.NotNil(t, balance3)
-}
-
-// TestOKXTrader_ErrorHandling 测试错误处理
-func TestOKXTrader_ErrorHandling(t *testing.T) {
-	// 创建错误响应的 mock 服务器
-	mockServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		w.Header().Set("Content-Type", "application/json")
-		json.NewEncoder(w).Encode(map[string]interface{}{
-			"code": "50000",
-			"msg":  "Internal server error",
-			"data": []interface{}{},
-		})
-	}))
-	defer mockServer.Close()
-
-	trader := &OKXTrader{
-		apiKey:     "test_api_key",
-		secretKey:  "test_secret_key",
-		passphrase: "test_passphrase",
-		baseURL:    mockServer.URL,
-		httpClient: mockServer.Client(),
-		testnet:    false,
-	}
-
-	// 测试各种操作应该返回错误
-	_, err := trader.GetBalance()
-	assert.Error(t, err)
-	assert.Contains(t, err.Error(), "50000")
-
-	_, err = trader.GetPositions()
-	assert.Error(t, err)
-
-	_, err = trader.GetMarketPrice("BTCUSDT")
-	assert.Error(t, err)
-
-	_, err = trader.OpenLong("BTCUSDT", 0.01, 10)
-	assert.Error(t, err)
-
-	err = trader.SetLeverage("BTCUSDT", 10)
-	assert.Error(t, err)
-}
-
-// TestOKXTrader_HTTPRequestError 测试 HTTP 请求错误
-func TestOKXTrader_HTTPRequestError(t *testing.T) {
-	// 使用无效的 baseURL
-	trader := &OKXTrader{
-		apiKey:     "test_api_key",
-		secretKey:  "test_secret_key",
-		passphrase: "test_passphrase",
-		baseURL:    "http://invalid-url-that-does-not-exist-12345.com",
-		httpClient: &http.Client{Timeout: 1 * time.Second},
-		testnet:    false,
-	}
-
-	// 测试各种操作应该返回网络错误
-	_, err := trader.GetBalance()
-	assert.Error(t, err)
-
-	_, err = trader.GetPositions()
-	assert.Error(t, err)
-
-	_, err = trader.GetMarketPrice("BTCUSDT")
-	assert.Error(t, err)
-}
-
-// TestOKXTrader_InvalidJSON 测试无效 JSON 响应
-func TestOKXTrader_InvalidJSON(t *testing.T) {
-	// 创建返回无效 JSON 的 mock 服务器
-	mockServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		w.Header().Set("Content-Type", "application/json")
-		fmt.Fprint(w, "invalid json{{{")
-	}))
-	defer mockServer.Close()
-
-	trader := &OKXTrader{
-		apiKey:     "test_api_key",
-		secretKey:  "test_secret_key",
-		passphrase: "test_passphrase",
-		baseURL:    mockServer.URL,
-		httpClient: mockServer.Client(),
-		testnet:    false,
-	}
-
-	// 测试应该返回 JSON 解析错误
-	_, err := trader.GetBalance()
-	assert.Error(t, err)
-	assert.Contains(t, err.Error(), "解析")
-}