초 거래 통합

<div id="seconds-widget" style="width: 100%; height: 720px"></div>
<script src="https://app.6mm.com/sdk/trading-widget/v1/index.js"></script>
<script>
  const page = 'up-down';
  const tradingMode = 'demo';
  const capabilities = TradingWidget.capabilities;
  if (!capabilities?.partnerToken ||
      !capabilities.pages?.includes(page) ||
      !capabilities.tradingModes?.includes(tradingMode)) {
    throw new Error('Trading Widget SDK does not support the requested page or mode');
  }
  const widget = TradingWidget.create('#seconds-widget', {
    baseUrl: 'https://app.6mm.com',
    page,
    tradingMode,
    theme: 'dark',
    locale: 'zh-CN',
    auth: {
      mode: 'partner-token',
      tokenProvider: async ({ channelId }) => {
        // Partner-owned endpoint; derive the user from the backend session.
        const response = await fetch('/api/seconds/embed-token', {
          method: 'POST',
          credentials: 'same-origin',
          headers: { 'Content-Type': 'application/json' },
          body: JSON.stringify({ channelId }),
        });
        if (!response.ok) {
          throw new Error('Failed to request embed token');
        }
        const result = await response.json();
        if (typeof result.embedToken !== 'string' || !result.embedToken.trim() ||
            !Number.isFinite(result.expireAt) || result.channelId !== channelId) {
          throw new Error('Invalid embed token response');
        }
        return {
          embedToken: result.embedToken,
          expireAt: result.expireAt,
          channelId: result.channelId,
        };
      },
    },
    onReady() {
      console.log('Trading widget ready');
    },
    onError(error) {
      console.error('Trading widget error', error.code);
    },
  });
  window.addEventListener('beforeunload', () => widget.destroy());
</script>