app.js 16.5 KB
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var express = require('express');
const Token = require('./apiKey.json');
const request = require('request');
const TARGET_URL_PUSH = 'https://api.line.me/v2/bot/message/push'
const TARGET_URL_REPLY = 'https://api.line.me/v2/bot/message/reply'
const MULTI_TARGET_URL = 'https://api.line.me/v2/bot/message/multicast'
const BROAD_TARGET_URL = 'https://api.line.me/v2/bot/message/broadcast'
const USER_ID = 'U15e01e0a7f2c980b8cb755421312fba4'
const TOKEN = Token.line_token;
const binanceKey = Token.binance_key;
const fs = require('fs');
const path = require('path');
const HTTPS = require('https');
const fetch = require('node-fetch');
const rp = require('request-promise');
const domain = "2018102235.oss2021.tk"
const sslport = 23023;
const bodyParser = require('body-parser');
const fs_apikey = require('fs');
const api_key = fs_apikey.readFileSync('apiKeyWhale', 'ascii')
var app = express();
var command = '';
var cursor = ''


const KR_TIME_DIFF = 9 * 60 * 60 * 1000;
var TimeNow = parseInt((new Date()).getTime() / 1000)
var uts2time = new Date()

var PushTimeId;
console.log(TimeNow)
var explain = 0;

app.use(bodyParser.json());
if(explain <1){
    explain_message();
}
app.post('/hook', function (req, res) {

    var eventObj = req.body.events[0];
    var source = eventObj.source;
    var message = eventObj.message;
    // request log
    console.log('======================', new Date() ,'======================');
    console.log('[request]', req.body);
    console.log('[request source] ', source);
    console.log('[request message]', message);
    
    if(message.text === '김프'){
        command = '김프';
        USER_ID = source.userId;
    }
    else if (message.text === '거래량비율'){
      volumePumpingRatioThreeMinutePerWeek(eventObj.replyToken, message.text);
      USER_ID = source.userId;
    }
    else if(message.text == '고래알람'){
      PushTimeId = SetWhaleAlert()
      USER_ID = source.userId;
    }
    else if(message.text == '고래알람해제'){
      clearTimeout(PushTimeId)
    }
    else{
        if(command === '김프'){
            kimp(eventObj.replyToken, message.text);
        }
    }

    res.sendStatus(200);
});
function explain_message(){
    request.post(
        {
            url: TARGET_URL_PUSH,
            headers: {
                'Authorization': `Bearer ${TOKEN}`
            },
            json: {
                "to": `${USER_ID}`,
                "messages":[
                    {
                        "type":"text",
                        "text":"코인거래를 도와주는 챗봇입니다."
                    },
                    {
                        "type":"text",
                        "text":"명령어 : 김프, 거래량비율, 고래알람, 고래알람해제"
                    },
                    {
                        "type":"text",
                        "text":"김프 입력 후 BTC, ETH 등 코인 심볼을 입력하면 국내와 해외 시세 차이를 알 수 있습니다."
                    },
                    {
                        "type":"text",
                        "text":"거래량비율 입력을 하면 30~1분 후 최근 거래량이 활발한 10개 상위 종목을 알 수 있습니다."
                    },
                    {
                        "type":"text",
                        "text":"고래알람 입력을 하면 실시간으로 고래들이 입금한 코인과 액수를 알 수 있습니다. 급등 급락할 확률이 높다는 것을 의미합니다."
                    }
                ]
            }
        },(error, response, body) => {
            console.log(body, error)
        });
}
function kimp(replyToken,message){

  var upbitPrice = 0;
  function korean_price(){
      var promise = new Promise(function(resolve,reject){
        const url = 'https://api.upbit.com/v1/candles/minutes/1?market=KRW-'+message+'&count=1';
        const options = {method: 'GET', headers: {Accept: 'application/json'}};
        fetch(url, options)
        .then(res => res.json())
        .then(json => {
            upbitPrice = json[0].trade_price;
            resolve(upbitPrice);
        })
        .catch(err => console.error('error:' + err));  
      });
      return promise;
  } 
  korean_price().then(function(upbitPrice){
    compare_price(replyToken, message, upbitPrice);
  }); 
}

function compare_price(replyToken, message, upbitPrice){
  var binancePrice = 0;
  function binance_price(){
    var promise = new Promise(function(resolve, reject){
      const url = 'https://api.binance.com/api/v3/ticker/price?symbol='+message+'USDT';
      const options = {method: 'GET', headers: {Accept: 'application/json'}};
      const requestOptions = {
        method: 'GET',
        uri: 'https://pro-api.coinmarketcap.com/v1/cryptocurrency/listings/latest',
        qs: {
          'start': '1',
          'limit': '10',
          'convert': 'KRW'
        },
        headers: {
          'X-CMC_PRO_API_KEY': binanceKey
        },
        json: true,
        gzip: true
      };
      fetch(url, options)
        .then(res => res.json())
        .then(json => 
          rp(requestOptions).then(response =>{
            var i=0;
            while(response.data[i].id !== 825){
              i = i+1;
            }
            binancePrice = json.price*response.data[i].quote.KRW.price;
            resolve(binancePrice);
          })
         ).catch(err => console.error('error:' + err));
    });
    return promise;
  }

  binance_price().then(function(binancePrice){
    request.post(
      {
          url: TARGET_URL_REPLY,
          headers: {
              'Authorization': `Bearer ${TOKEN}`
          },
          json: {
              "replyToken":replyToken,
              "messages":[
                  {
                      "type":"text",
                      "text":"binance : "+String(binancePrice.toFixed())+"원"
                  },
                  {
                    "type":"text",
                    "text":"Upbit : "+String(upbitPrice)+"원"
                  },
                  {
                    "type":"text",
                    "text":"김치프리미엄 : "+String(((upbitPrice-binancePrice)/upbitPrice*100).toFixed(2))+"%"
                  }
               ]
          }
      },(error, response, body) => {
          console.log(body)
    });
    res.sendStatus(200);
  });
}

function volumePumpingRatioThreeMinutePerWeek(replyToken, message)
{
    fs.readFile('coin_name.txt', 'utf8', function(err,data){
        coinNameArr = data.split(",");
        

        var volumePerWeekArr = new Array();
        function getWeekVolume()
        {
            var promise = new Promise(function(resolve, reject)
            {
                for (i = 0; i < coinNameArr.length; ++i)
                {
                    (function (i)
                    {
                        setTimeout(function () {
                            const url = 'https://api.upbit.com/v1/candles/weeks/?market='+coinNameArr[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 = coinNameArr[i];
                                coinJson.tradeVolumePerWeek = json[0].candle_acc_trade_volume;
                                volumePerWeekArr.push(coinJson);
                                console.log(coinJson);
                                if (volumePerWeekArr.length >= coinNameArr.length)
                                    resolve(volumePerWeekArr);
                            })
                            .catch(err => console.error('error:' + err));
                        }, i*220);    
                    })(i);
                }
            });
            return promise;
        }


        var volumePerThreeMinArr = new Array();
        function getThreeMinVolume()
        {
            var promise = new Promise(function(resolve, reject)
            {
                for (i = 0; i < coinNameArr.length; ++i)
                {
                    (function (i)
                    {
                        setTimeout(function () {
                            const url = 'https://api.upbit.com/v1/candles/minutes/3?market='+coinNameArr[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 = coinNameArr[i];
                                coinJson.tradeVolumePerThreeMin = json[0].candle_acc_trade_volume;
                                volumePerThreeMinArr.push(coinJson);
                                console.log(coinJson);
                                if (volumePerThreeMinArr.length >= coinNameArr.length)
                                    resolve(volumePerThreeMinArr);
                            })
                            .catch(err => console.error('error:' + err));
                        }, i*220);    
                    })(i);
                }

            });
            return promise;
        }


        var pumpingArr = new Array();
        function getResultArr(volArr, minArr)
        {   
            var promise = new Promise(function(resolve, reject)
            {
                for (var i = 0; i < coinNameArr.length; i++)
                {
                    var coinJson = new Object();
                    coinJson.name = coinNameArr[i];
                    coinJson.pumpingRatio = minArr[i].tradeVolumePerThreeMin / volArr[i].tradeVolumePerWeek * 1000000
                    pumpingArr.push(coinJson);
                    if (pumpingArr.length >= coinNameArr.length)
                        resolve(pumpingArr);
                }    
            })
        return promise;
        }
        
        function sortingArr(data, ratio) 
        {    
            var promise = new Promise(function(resolve, reject)
            {
                resolve(data.sort(function(first, second)
                {
                    var a = first[ratio];
                    var b = second[ratio];
                    
                    return a > b ? -1 : a < b ? 1 : 0;
                }))
            });

            return promise;
        };

        getWeekVolume().then(function(volArr){
            getThreeMinVolume().then(function(minArr){
                getResultArr(volArr, minArr).then(function(result){
                    sortingArr(result, "pumpingRatio").then(function(finalArr){
                        
                        console.log(finalArr);
                        request.post(
                            {
                                url: TARGET_URL_REPLY,
                                headers: {
                                    'Authorization': `Bearer ${TOKEN}`
                                },
                                json: {
                                    "replyToken":replyToken,
                                    "messages": [
                                        {
                                            "type":"text",
                                            "text": finalArr[0].name + ' : ' + String(finalArr[0].pumpingRatio) + '\n'
                                            + finalArr[1].name + ' : ' + String(finalArr[1].pumpingRatio) + '\n'
                                            + finalArr[2].name + ' : ' + String(finalArr[2].pumpingRatio) + '\n'
                                            + finalArr[3].name + ' : ' + String(finalArr[3].pumpingRatio) + '\n'
                                            + finalArr[4].name + ' : ' + String(finalArr[4].pumpingRatio) + '\n'
                                            + finalArr[5].name + ' : ' + String(finalArr[5].pumpingRatio) + '\n'
                                            + finalArr[6].name + ' : ' + String(finalArr[6].pumpingRatio) + '\n'
                                            + finalArr[7].name + ' : ' + String(finalArr[7].pumpingRatio) + '\n'
                                            + finalArr[8].name + ' : ' + String(finalArr[8].pumpingRatio) + '\n'
                                            + finalArr[9].name + ' : ' + String(finalArr[9].pumpingRatio) + '\n'
                                        }
                                     ]
                                }
                            },(error, response, body) => {
                                console.log(body)
                          });
                        res.sendStatus(200);

                    })
                })
            })
        })
    })
}
function chk_param(data, query_limit, callback){
  //query_limit (non_int) => return 0;
  //query_limit (int) => return query_limit;
  query_limit = parseInt(query_limit)
  if(isNaN(query_limit)){ return callback(data, 0)} 
  else {return callback(data, query_limit)}
}
function data_collector(data, limit){
  var ret = new Array();
  var str = '';

  //ret += '# of Transactions : ' + data.count + '\n'
  for(var i = 0; i < data.count; i++){
      uts2time.setTime(data.transactions[i].timestamp * 1000 + KR_TIME_DIFF)
      str = /*'#' + (i+1)+*/'Time: ' + uts2time.toLocaleString() + '\nChainName: '+data.transactions[i].blockchain+'\nAmount: '+data.transactions[i].amount+' USD'
      if(data.transactions[i].amount > limit){
          //console.log(str)
         // ret += '\n\n' + str;
         o ={ 'type' : 'text',
              'text' : str}
         ret.push(o)
      }
      else{
          //console.log(str)
      }
  }
  return ret;
}
function SetWhaleAlert(){
  url2 = 'https://api.whale-alert.io/v1/transactions?api_key=' + api_key + '&cursor=' + cursor;
  const options = {method: 'GET', headers: {Accept: 'application/json'}};

  fetch(url2, options)
  .then(res => res.json())
  .then(json => {
          console.log(json)
          fetch(url2+json.cursor, options)
          .then(res => res.json())
          .then(json => {
              console.log(json)
              fetch(url2+json.cursor, options)
              .then(res => res.json())
              .then(json => {
                  console.log(json)
                  if(json.cursor != undefined){
                      cursor = json.cursor
                  }
              })
              .catch((err) => {
                  console.log('error : inital_fetch:'+err)
              })
          })
          .catch((err) => {
              console.log('error : inital_fetch:'+err)
          })
      })
  .catch((err) => {
      console.log('error : inital_fetch:'+err)
  })
  return setInterval(() => {
      fetch(url2+cursor, options)
      .then(res => res.json())
      .then(json => {
              //API usage limit
          console.log(json)
          if(json.result == 'error'){
          }
          else{
              cursor = json.cursor
              var msg2user = chk_param(json,5000000, data_collector)
              console.log('msg',msg2user)
              if(msg2user.length){
                  var i = 0;
                  for(i; i < msg2user.length; i++){
                      request.post(
                          {
                              url: TARGET_URL_PUSH,
                              headers: {
                                  'Authorization': `Bearer ${TOKEN}`
                              },
                              json: {
                                  "to": `${USER_ID}`,
                                  "messages":[msg2user[i]]
                              }
                          },(error, response, body) => {
                              console.log(body, error)
                          });
                      }
                  }
          }
      })
      .catch(err => {
          console.error('error: var:fu:' + err)
      })
  }, 5000);
}

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, () => {
      console.log(`[HTTPS] Server is started on port ${sslport}`);
    });
  } catch (error) {
    console.log('[HTTPS] HTTPS 오류가 발생하였습니다. HTTPS 서버는 실행되지 않습니다.');
    console.log(error);
  }