Method fetchBinancePrice

rate/rate.ts:338–353

(symbol: string)

      const { data } = await axios.get(url, { timeout: 5000 });
      if (data && data.price) {
        return parseFloat(data.price);
      }
    } catch (error) {
      if (axios.isAxiosError(error) && error.response?.status === 400) {
        // 交易对不存在，这不是一个严重错误，静默处理
      } else {
        console.warn(`[RatePlugin] Binance API for ${symbol} failed:`, error);
      }
    }
    throw new Error(`Binance pair not found for ${symbol}`);
  }

  // (全智能) 获取任意两种货币之间的汇率
  private async getUniversalPrice(symbol1: string, symbol2: string, type1: 'crypto' | 'fiat', type2: 'crypto' | 'fiat'): Promise<{ price: number, lastUpdated: Date }> {
    const s1 = symbol1.toUpperCase();
    const s2 = symbol2.toUpperCase();

    // 情况1: 加密货币 -> 加密货币
    if (type1 === 'crypto' && type2 === 'crypto') {