index.js
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const fetch = (...args) => import('node-fetch').then(({ default: fetch }) => fetch(...args));
const url1 = 'https://api.upbit.com/v1/market/all';
const options = { method: 'GET', headers: { Accept: 'application/json' } };
const express=require('express');
const app=express();
const {Coin}=require("./models/Coin");
const mongoose=require('mongoose');
const config=require('./config/key');
const connect = mongoose.connect(config.mongoURI,{
useNewUrlParser: true, useUnifiedTopology: true
})
.then(()=>console.log('디비연결 성공'))
.catch((err)=>console.log(err));
async function get_marketName() {
var data=new Array();
//전체 암호화폐 리스트 불러오기
let response= await fetch(url1, options)
.then(res => res.json())
.then(json => {
for(i in json){
data.push(json[i].market);
}
})
return data;
}
async function get_marketInfo(name_list){
//각 암호화폐 정보 조회
const url2=`https://api.upbit.com/v1/ticker/?markets=${name_list}`;
var arr=new Array();
let response2=await fetch(url2,options)
.then(res=>res.json())
.then(json=>{
for(i in json){
if(json[i].acc_trade_price_24h>100000000000){
arr.push([json[i].market,json[i].acc_trade_price_24h,json[i].trade_price]);
}
}
})
return arr
}
async function sort_data(arr){
arr.sort((a,b)=>{
return b[1]-a[1];
})
return arr;
}
async function save_coin(arr){
for(var i=0;i<10;i++){
if(arr[i]){
const coin=new Coin({
tid:i+1,
name:arr[i][0],
acc_trade_price_24h:arr[i][1],
current_price:arr[i][2]
});
await coin.save((err)=>{
if(err){
console.log(err)
}
})
}
}
return true;
}
app.get('/get_market',async (req,res)=>{
var name_list=(await get_marketName());
var market_info=(await get_marketInfo(name_list));
var sort_info=(await sort_data(market_info));
console.log(sort_info);
res.json(await save_coin(sort_info));
})
app.listen(5000,()=>{
console.log('server')
})