새로고침 시 거래정보 다시 불러오게 고침

@@ -4,18 +4,29 @@ const app = express();
 
 
 
 
 const fetch = require('node-fetch');
 const fetch = require('node-fetch');
-const fs = require('fs')
-
+const fs = require('fs');
 
 
 const api_key = fs.readFileSync('apikey', 'ascii')
 const api_key = fs.readFileSync('apikey', 'ascii')
 console.log('apikey:',api_key)
 console.log('apikey:',api_key)
 //const url = 'https://api.whale-alert.io/v1/status?api_key=' + api_key
 //const url = 'https://api.whale-alert.io/v1/status?api_key=' + api_key
 const options = {method: 'GET', headers: {Accept: 'application/json'}};
 const options = {method: 'GET', headers: {Accept: 'application/json'}};
 
 
-cursor = ''
-const url2 = 'https://api.whale-alert.io/v1/transactions?api_key=' + api_key;
+var cursor = ''
+url2 = 'https://api.whale-alert.io/v1/transactions?api_key=' + api_key + '&limit=1&cursor=' + cursor;
 
 
+//Initialize timestamp
 
 
+const fs2 = require('fs')
+const fs3 = require('fs')
+var TimeNow = parseInt((new Date()).getTime() / 1000)
+console.log(TimeNow)
+console.log('파일쓰기')
+fetch(url2, options)
+.then(res => res.json())
+.then(json => {
+    console.log(json)
+    fs2.writeFileSync('timestamp', json.cursor, 'ascii')
+})
 // fetch(url, options)
 // fetch(url, options)
 //     .then(res => res.json())
 //     .then(res => res.json())
 //     .then(json => console.log(json))
 //     .then(json => console.log(json))
@@ -32,7 +43,7 @@ function data_collector(data, limit){
     var ret = '';
     var ret = '';
     var str = '';
     var str = '';
 
 
-    for(var i = 0; i < data.transactions.length; i++){
+    for(var i = 0; i < data.count; i++){
         str = '#' + (i+1)+' ChainName: '+data.transactions[i].blockchain+'\tAmount: '+data.transactions[i].amount+' USD'
         str = '#' + (i+1)+' ChainName: '+data.transactions[i].blockchain+'\tAmount: '+data.transactions[i].amount+' USD'
         if(data.transactions[i].amount > limit){
         if(data.transactions[i].amount > limit){
             //console.log(str)
             //console.log(str)
@@ -45,15 +56,19 @@ function data_collector(data, limit){
     return ret;
     return ret;
 }
 }
 app.get('/', function (req, res) {
 app.get('/', function (req, res) {
-    fu = fetch(url2, options);
+    cursor = fs3.readFileSync('timestamp', 'ascii')
+    console.log('cursor', url2)
+    fu = fetch(url2+cursor, options);
     fu.then(res => res.json())
     fu.then(res => res.json())
     .then(json => {
     .then(json => {
         //API usage limit
         //API usage limit
         console.log(json)
         console.log(json)
+        
         if(json.result == 'error'){
         if(json.result == 'error'){
             res.send("Please try later")
             res.send("Please try later")
         }
         }
         else{
         else{
+            fs2.writeFileSync('timestamp', json.cursor, 'ascii')
             res.send(chk_param(json, req.query.limit, data_collector))
             res.send(chk_param(json, req.query.limit, data_collector))
         }
         }
     })
     })

+6084feb2-6084feb2-60ba4692
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