SuperTrendScan

SuperTrendScan.js

const TradingView = require('../main');
const fs = require('fs');
const readline = require('readline');
const net = require("net");
let streams;

const server = net.createServer((stream) => {
  console.log("Server: on connection");

  streams = stream;
  stream.on("data", (buffer) => {
    console.log("Got data:", buffer.toString());
    stream.write("Reverse me");
  });

  stream.on("end", () => {
    console.log("Stream ended");
    server.close();
  });
});

async function processLineByLine() {

  var stocks = ["BIST:BMSTL", "BIST:MAVI", "BIST:THYAO", "BIST:IZMDC", "BIST:TUPRS", "BIST:HEKTS", "BIST:EREGL", "BIST:DOAS", "BIST:AKSGY", "BIST:SDTTR", "BINANCE:BTCUSD", "BINANCE:BTCTRY", "BINANCE:XRPUSD"];
  var range = 52;
  var waitInSeconds = 1;
  var timeframe = '1D';
  var atrSetting = 2;

  for await (const line of stocks) {

    (async () => {

      const client = new TradingView.Client();

      const chart = new client.Session.Chart();

      chart.setMarket(line, {
        timeframe: timeframe,
        range: range,
      });

      //Supertrend indicator ID
      TradingView.getIndicator('PUB;VfOPXWDHDPhORvJYRTcuHOyeqpOcRR45').then((indic) => {
        indic.setOption("ATR_Multiplier", atrSetting);
        const STD = new chart.Study(indic);

        STD.onError((...err) => {
          console.log('Study error:', ...err);
        });

        STD.onReady(() => {

          // LAST BAR INFO
          //console.log(STD.periods[0]);

          if (STD.periods[0]["SuperTrend_Direction_Change"] == 1) {

            if (STD.periods[0]["SuperTrend_Buy"] == 1) {
              direction = "BUY SIGNAL";
            }
            else {
              direction = "SELL SIGNAL";
            }

            console.log(`${direction} on ${line}`);
          }
        });

        STD.onUpdate(() => {
          client.end();
        });
      });

    })();

    await new Promise(resolve => setTimeout(resolve, waitInSeconds * 1000));
  }
  console.log(`FINISHED`);
}

processLineByLine();