test.js 1.34 KB
const fetch = require('node-fetch');
var fs = require('fs');



fs.readFile('coin_name.txt', 'utf8', function(err,data){
    arr = data.split(",");
   // console.log(arr);
    var responseList = new Array();
    function print_coin(){
        var promise = new Promise(function(resolve,reject){
            for(i=0;i<10;i++){
                (function(i){
                    setTimeout(function(){
                    const url = 'https://api.upbit.com/v1/candles/minutes/1?market='+arr[i]+'&count=1';
                    const options = {method: 'GET', headers: {Accept: 'application/json'}};
                    var coinJson = new Object();
                    fetch(url, options)
                    .then(res => res.json())
                    .then(json => {
                        coinJson.coin = arr[i];
                        coinJson.price = json[0].trade_price;
                        responseList.push(coinJson);
                        //console.log(responseList)
                        if(i>8){
                            resolve(responseList);
                        }
                    })
                    .catch(err => console.error('error:' + err));
                    },i*180);
               })(i);
            }
        });
        return promise;
    } 
    print_coin().then(function(resList){
        console.log(resList);
    });
     
})