nowPrice = (price1 * 10000) / price2;
nowPrice = nowPrice * int256(10**(18 - priceFeed1.decimals()));
return nowPrice / 1000000;
PegOracle pegOracle3 = new PegOracle(
            0xB1552C5e96B312d0Bf8b554186F846C40614a540,  //usd-eth contract address
            btcEthOracle
        );
oracle3price1: 1085903802394919427                                                                                                                                                                               
oracle3price2: 13753840915281064000                                                                                                                                                                              
oracle3price1 / oracle3price2: 0
nowPrice = (price1 * 10000) / price2;
nowPrice = nowPrice * int256(10**(priceFeed1.decimals())) * 100;
return nowPrice / 1000000;
