错误码说明

{
  "code": 0,
  "message": "success",
  "data": { ... }
}

{
  "cmd": "subscribe",
  "code": 0,
  "message": "success",
  "data": { ... }
}

{
  "code": 1001,
  "message": "Invalid or expired token"
}

{
  "code": 1002,
  "message": "Token is required"
}

{
  "code": 1003,
  "message": "IP address not in whitelist"
}

{
  "code": 1004,
  "message": "Permission denied"
}

{
  "code": 2001,
  "message": "Invalid parameter: symbol is required"
}

{
  "code": 2002,
  "message": "Symbol not found"
}

{
  "code": 2003,
  "message": "Invalid time range"
}

{
  "code": 2004,
  "message": "Request limit exceeded"
}

{
  "code": 3001,
  "message": "Rate limit exceeded"
}

{
  "code": 3002,
  "message": "Quota exhausted"
}

{
  "code": 3003,
  "message": "Connection limit exceeded"
}

{
  "code": 3004,
  "message": "Subscription limit exceeded"
}

{
  "cmd": "unknown",
  "code": 4001,
  "message": "Unknown command"
}

{
  "cmd": "subscribe",
  "code": 4002,
  "message": "Invalid message format"
}

{
  "cmd": "subscribe",
  "code": 4003,
  "message": "Depth subscriptions temporarily unavailable",
  "data": {
    "channel": "depth",
    "suggestion": "Use HTTP API /v1/market/depth for current depth data"
  }
}

{
  "code": 5000,
  "message": "Internal server error"
}

{
  "code": 5001,
  "message": "Data source unavailable"
}

{
  "code": 5002,
  "message": "Service temporarily unavailable"
}

async function fetchTicker(symbol) {
  const response = await fetch(`/v1/market/ticker/${symbol}`, {
    headers: { 'X-API-Key': API_KEY }
  });
  
  const data = await response.json();
  
  if (data.code !== 0) {
    switch (data.code) {
      case 1001:
      case 1002:
        throw new Error('认证失败，请检查 API Key');
      case 2002:
        throw new Error(`交易品种 ${symbol} 不存在`);
      case 3001:
        const retryAfter = response.headers.get('Retry-After') || 60;
        console.log(`请求过快，${retryAfter} 秒后重试`);
        break;
      default:
        throw new Error(data.message);
    }
  }
  
  return data.data;
}

import requests

def fetch_ticker(symbol, api_key):
    response = requests.get(
        f'/v1/market/ticker/{symbol}',
        headers={'X-API-Key': api_key}
    )
    
    data = response.json()
    
    if data['code'] != 0:
        if data['code'] in [1001, 1002]:
            raise Exception('认证失败，请检查 API Key')
        elif data['code'] == 2002:
            raise Exception(f'交易品种 {symbol} 不存在')
        elif data['code'] == 3001:
            retry_after = response.headers.get('Retry-After', 60)
            print(f'请求过快，{retry_after} 秒后重试')
        else:
            raise Exception(data['message'])
    
    return data['data']