Add buying algorithm

2019102152 김다빈
Commit edd4ba78f682691b853d57525fba58266090d7e8 edd4ba78 1 parent d490040b
Showing 2 changed files with 142 additions and 87 deletions
README.md
index.js
--- a/README.md
View file @edd4ba7
+++ b/README.md
View file @edd4ba7
@@ -4,4 +4,4 @@
 module.exports = {
     mongoURI:{mongoURI}
 }
-
+.env 파일 생성 후 access_key와 secret_key 할당 필요
--- a/index.js
View file @edd4ba7
+++ b/index.js
View file @edd4ba7
 const fetch = (...args) => import('node-fetch').then(({ default: fetch }) => fetch(...args));
-
 const options = { method: 'GET', headers: { Accept: 'application/json' } };
 const express = require('express');
 const app = express();
 const { Coin } = require("./models/Coin");
 const { User } = require('./models/User');
 require("dotenv").config();
-
+const fs = require('fs');
+const path = require('path');
+const HTTPS = require('https');
+const domain = "2019102152.osschatbot.ga"
+const sslport = 23023;
+const bodyParser = require('body-parser');
 const crypto = require('crypto');
 const queryEncode = require('querystring').encode;
 const request = require('request-promise-native');
-// const request = require('request')
 const { v4 } = require("uuid")
 const sign = require('jsonwebtoken').sign
+const access_key = process.env.access_key;
+const secret_key = process.env.secret_key;
+const server_url = "https://api.upbit.com"
+
+
 var krw_balance = 60000;
 var divided_money = krw_balance / 10;
 var sort_info = new Array();
 const mongoose = require('mongoose');
 const config = require('./config/key');
-const { json } = require('express');
-const e = require('express');
 const connect = mongoose.connect(config.mongoURI, {
     useNewUrlParser: true, useUnifiedTopology: true
@@ -28,12 +34,11 @@ const connect = mongoose.connect(config.mongoURI, {
     .then(() => console.log('디비연결 성공'))
     .catch((err) => console.log(err));
+app.use(bodyParser.json());
+var korean_name = new Object();
+
-var korean_name = new Object();
-const access_key = process.env.access_key;
-const secret_key = process.env.secret_key;
-const server_url = "https://api.upbit.com"
 function get_asset(market) {
     const payload = {
@@ -51,15 +56,19 @@ function get_asset(market) {
             if (err) throw new Error(err)
             var empty = new Object();
             data = JSON.parse(body);
-            data.filter(function (item) {
+            if (market) {
-                if (item.currency == market.split('-')[1]) {
+                data.filter(function (item) {
-                    // resolve(item);
+                    if (item.currency == market.split('-')[1]) {
-                    empty.market = item;
+                        // resolve(item);
-                } else if (item.currency == "KRW") {
+                        empty.market = item;
-                    empty.KRW = item
+                    } else if (item.currency == "KRW") {
-                }
+                        empty.KRW = item
-                resolve(empty);
+                    }
-            })
+                    resolve(empty);
+                })
+            } else {
+                resolve(data);
+            }
         })
     })
     return result(market);
@@ -77,13 +86,13 @@ async function get_marketName() {
         })
     return data;
 }
-async function transaction_coin(coin_name, side, volume, price, ord_type, first = false) {
+async function transaction_coin(coin_name, side, volume, price, ord_type, first = true) {
-    var volume=volume;
+    var volume = volume;
-    if(side=="ask"){
+    if (side == "ask") {
-        await User.findOne({uid:1}).then((result)=>{
+        await User.findOne({ uid: 1 }).then((result) => {
             console.log(result.volume);
-            volume=String(result.volume);
+            volume = String(result.volume);
-        }).catch(err=>{console.log(err.error)});
+        }).catch(err => { console.log(err.error) });
     }
     const body = {
         market: coin_name,
@@ -111,21 +120,39 @@ async function transaction_coin(coin_name, side, volume, price, ord_type, first 
         json: body
     }
     await request(options).then(async (result) => {
-        const asset=(delay)=>new Promise((resolve)=>{
+        const asset = (delay) => new Promise((resolve) => {
-            setTimeout(async ()=>{
+            setTimeout(async () => {
                 resolve(await get_asset(result.market));
-            },delay)
+            }, delay)
         })
-        var my_asset=await asset(1000);
+        var my_asset = await asset(1000);
-        if(side=="bid"){
+        if (side == "bid") {
-            const user = new User({ uid:1,krw_balance: my_asset.KRW.balance, market: coin_name, count: 1, avg_price: my_asset.market.avg_buy_price,volume:my_asset.market.balance });
+            //처음 매수일 때
-            await user.save().then(() => { isuser = true })
+            if (first) {
-        }else if(side=="ask"){
+                const user = new User({ uid: 1, krw_balance: my_asset.KRW.balance, market: coin_name, count: 1, avg_buy_price: my_asset.market.avg_buy_price, volume: my_asset.market.balance });
-            User.deleteOne({uid:1},(err,res)=>{
+                await user.save().then(() => { isuser = true })
-                if(err){
+                //2회 이상 매수일 때
-                    console.log(err);
+            } else {
-                }
+                User.findOneAndUpdate({uid:1},{krw_balance:my_asset.KRW.balance,avg_buy_price: my_asset.market.avg_buy_price, volume: my_asset.market.balance,$inc: { count: 1 }},{new :true},(err,result)=>{
-            });
+                    if(err){
+                        console.log(err);
+                    }else{
+                        console.log(result);
+                    }
+                })
+            }
+        } else if (side == "ask") {
+            //1회 매수 후 매도일 때
+            if (first) {
+                User.deleteOne({ uid: 1 }, (err, res) => {
+                    if (err) {
+                        console.log(err);
+                    }
+                });
+                //분할 매수 분할 매도 중일 때
+            } else {
+
+            }
         }
     }).catch((err) => { console.log(err.error) })
 }
@@ -194,42 +221,66 @@ async function get_candle(minute, market) {
         .then(json => candle = json)
     return candle;
 }
+async function price_comparison(candle, avg_buy_price = 0) {
+    var isbuying=true;
+    if (avg_buy_price == 0) {
+        await Coin.findOne({ name: candle[0].market }).then(async (result) => {
+            //가격이 떨어졌을때
+            if (result.current_price > candle[0].trade_price) {
+                Coin.findOneAndUpdate({ name: candle[0].market }, { current_price: candle[0].trade_price, $inc: { count: 1 } }, { new: true }, (err, result) => {
+                    if (err) {
+                        console.log(err);
+                    } else {
+                        console.log("***" + result.korean_name + "은(는)" + result.count * 5 + "분 동안 하락중");
+                        if (result.count >= 3) {
+                            transaction_coin(result.name, "bid", null, divided_money, "price");
+                            isbuying=false;
+                        }
+                    }
+                })
+            } else if (result.current_price < candle[0].trade_price) {
+                await Coin.findOneAndUpdate({ name: candle[0].market }, { current_price: candle[0].trade_price, count: 0 }, { new: true }).then(async (err, result) => {
+                    if (err) {
+                        console.log(err);
+                    } else {
+                        console.log(result.korean_name + "은(는)" + result.count * 5 + "분 동안 상승 혹은 정체중");
+                    }
+                })
+            }
+
+        })
+    } else {
+        if (avg_buy_price < candle[0].trade_price) {
+            transaction_coin(candle[0].market, "bid", null, divided_money, "price", false)
+        } else {
+            transaction_coin(candle[0].market, "ask", "", null, "market", false);
+        }
+    }
+    return isbuying;
+}
 async function check_coin(t1) {
     User.find().then(async (user_data) => {
+        //아직 매수한 코인이 없을 때
         if (user_data.length == 0) {
-            var isuser = false;
+            var isbuying = false;
             for (var i = 0; i < t1.length; i++) {
-                if (!isuser) {
+                if (isbuying) {
                     var candle = await get_candle(5, t1[i]);
-                    await Coin.findOne({ name: candle[0].market }).then(async (result) => {
+                    isbuying=await price_comparison(candle);
-                        //가격이 떨어졌을때
+                    console.log(isbuying);
-                        if (result.current_price > candle[0].trade_price) {
-                            Coin.findOneAndUpdate({ name: candle[0].market }, { current_price: candle[0].trade_price, $inc: { count: 1 } }, { new: true }, (err, result) => {
-                                if (err) {
-                                    console.log(err);
-                                } else {
-                                    console.log("***" + result.korean_name + "은(는)" + result.count * 5 + "분 동안 하락중");
-                                    if (result.count >= 3) {
-                                        transaction_coin(result.name, "bid", null, divided_money, "price");
-                                    }
-                                }
-                            })
-                        }//그대로 이거나 올랐을때
-                        else {
-                            await Coin.findOneAndUpdate({ name: candle[0].market }, { current_price: candle[0].trade_price, count: 0 }, { new: true }).then(async (result) => {
-                                //특정 조건...
-                                const user = new User({ krw_balance: 100, market: "KRW-BTC", count: 1, avg_price: 100 });
-                                await user.save().then(() => { isuser = true })
-                                console.log(result.korean_name + "은(는)" + result.count * 5 + "분 동안 상승 혹은 정체중");
-                            })
-                        }
-                    })
-                } else {
-                    console.log("메롱");
                 }
             }
+            //매수한 코인이 있을 때
         } else {
-            console.log(user_data);
+            //3회 이상 매수 했을시 15분봉으로 교체해서 가격 확인
+            //15분봉 처리해야함
+            if (user_data[0].count > 3) {
+                var candle = await get_candle(15, user_data[0].market);
+                await price_comparison(candle, user_data[0].avg_buy_price);
+            } else {
+                var candle = await get_candle(5, user_data[0].market);
+                await price_comparison(candle, user_data[0].avg_buy_price);
+            }
         }
     }).catch((err) => {
         console.log(err);
@@ -237,20 +288,20 @@ async function check_coin(t1) {
 }
 async function latest_repeat(t1) {
-    await Coin.find().sort({ tid: 1 }).then(result => {
-        for (var key in result) {
-            t1.push(result[key].name)
-        }
-    })
     let check_time = setInterval(async () => {
         let today = new Date();
         let minutes = today.getMinutes();
         let seconds = today.getSeconds();
-        if (seconds == 0) {
+        // if (seconds == 0) {
-            // if (minutes == 0 && seconds == 0) {
+            if (minutes == 0 && seconds == 0) {
             clearInterval(check_time);
             sort_info = (await sort_data());
             (await refresh_db());
+            Coin.find().sort({ tid: 1 }).then(result => {
+                for (var key in result) {
+                    t1.push(result[key].name)
+                }
+            })
             console.log("현재 시간은 " + today.toLocaleTimeString());
             var count = 0;
             let coin = setInterval(async () => {
@@ -266,20 +317,24 @@ async function latest_repeat(t1) {
                     (await refresh_db());
                     console.log("db최신화");
                 }
-            }, 600 * 5);
+            }, 60000 * 5);
         }
     }, 1000);
 }
-app.listen(5000, async () => {
-    console.log('server start')
-    //coin 이름,가격,거래대금 저장 , DB 최신화 1시간마다 반복
-    //5분마다 현재 가격 가져와서 db랑 비교후 매수 매도 기준잡기
-    // var t1 = new Array();
-    // test_data = await (latest_repeat(t1));
-    //계좌 정보 db 최신화
-    // console.log(await get_asset());
-    //매도
-    await transaction_coin("KRW-BTC","ask","",null,"market");
-    //매수
-    // await transaction_coin("KRW-BTC", "bid", null, divided_money, "price");
-})
\ No newline at end of file
+try {
+    const option = {
+        ca: fs.readFileSync('/etc/letsencrypt/live/' + domain + '/fullchain.pem'),
+        key: fs.readFileSync(path.resolve(process.cwd(), '/etc/letsencrypt/live/' + domain + '/privkey.pem'), 'utf8').toString(),
+        cert: fs.readFileSync(path.resolve(process.cwd(), '/etc/letsencrypt/live/' + domain + '/cert.pem'), 'utf8').toString(),
+    };
+
+    HTTPS.createServer(option, app).listen(sslport, async () => {
+        console.log(`[HTTPS] Server is started on port ${sslport}`);
+        var t1 = new Array();
+        await (latest_repeat(t1));
+        // console.log(await get_asset());
+    });
+} catch (error) {
+    console.log('[HTTPS] HTTPS 오류가 발생하였습니다. HTTPS 서버는 실행되지 않습니다.');
+    console.log(error);
+}