코인리스트 모두 받아와서 업데이트

@@ -13,34 +13,36 @@ app.get('/price', function(req, res) {
         var responseList = new Array();
         var responseList = new Array();
         function print_coin(){
         function print_coin(){
             var promise = new Promise(function(resolve,reject){
             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);
+                for(j=0;j<arr.length/10;j++){
+                    for(i=j*10;i<(j+1)*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(i)
+                                if(i>115){
+                                    resolve(responseList);
+                                }
+                            })
+                            .catch(err => console.error('error:' + err));
+                            },i*180);
+                       })(i);
+                    }
                 }
                 }
+                
             });
             });
             return promise;
             return promise;
         } 
         } 
         print_coin().then(function(resList){
         print_coin().then(function(resList){
             res.send(resList);
             res.send(resList);
-        });
-         
+        });   
     })  
     })  
 })
 })
 var server = app.listen(8082);
 var server = app.listen(8082);

@@ -7,34 +7,27 @@ fs.readFile('coin_name.txt', 'utf8', function(err,data){
     arr = data.split(",");
     arr = data.split(",");
    // console.log(arr);
    // console.log(arr);
     var responseList = new Array();
     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);
-    });
+    for(j=0;j<2;j++){
+        for(i=j*10;i<(j+1)*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)
+                    console.log(i)
+                })
+                .catch(err => console.error('error:' + err));
+                },i*180);
+            })(i);
+        }
+    }
+    
      
      
 })
 })

-// for(var i =0; i<10;i++){
-//     (function(i){
-//         setTimeout(function(){
-//             console.log(i);
-//         },10);
-//     })(i);
-// }
+const delay = () => {
+    const randomDelay = Math.floor(Math.random() * 4) * 100
+    return new Promise(resolve => setTimeout(resolve, randomDelay))
+  }
+  
+const loop = async (list) => {
+console.log("시작")
+const promises = list.map(async data => {
+    return await delay()
+    .then(() => data)
+})
 
 
- function f() {
-     var promise = new Promise(function(resolve,reject) {
-        for(var i =0; i<10;i++){
-            (function(i){
-                setTimeout(function(){
-                    if(i>8){
-                        resolve(i);
-                    }
-                },10);
-            })(i);
-        }
-     });
-     return promise;
- }
- f().then(function(a) {
-    console.log(a);
- });
+const results = await Promise.all(promises)
+results.forEach(data => console.log(data))
+console.log("끝")
+}
 
 
- 
\ No newline at end of file
+const list = [1, 2, 3, 4, 5, 6, 7]
+loop(list)
\ No newline at end of file