calculate rsi

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 const newFunction = async () => {

     // https://stackoverflow.com/questions/70452789/node-js-find-the-same-rsi-as-tradingview
     // https://gist.github.com/jmoz/1f93b264650376131ed65875782df386
     // https://stackoverflow.com/questions/50203625/calculate-rsi-based-on-kraken-ohlc
     // topdown1.count({}, function( err, count){
          //  console.log( "Number of data in db :", count );
          // topdown1.find(async (err,items)=>{
               // if(err){  
               //      console.log(err)
               // }
               // else{
                    const ticker = await exchange.fetchTicker('BTC/USDT')
                    const ohlcv = await exchange.fetchOHLCV('BTC/USDT','1m')
                    console.log( ohlcv[ohlcv.length - 1][4])
                    // console.log(ohlcv[ohlcv.length - 1])
                    // console.log(ohlcv[ohlcv.length - 2])
                    // console.log(ohlcv)
 
                    let jrr = [];
                    // const dc = parseInt(count)
                    const data  =  [
                         
               ohlcv[ohlcv.length -15][4],
               ohlcv[ohlcv.length -14][4],
               ohlcv[ohlcv.length -13][4],
               ohlcv[ohlcv.length -12][4],
               ohlcv[ohlcv.length -11][4],
               ohlcv[ohlcv.length -10][4],
               ohlcv[ohlcv.length -9][4],
               ohlcv[ohlcv.length -8][4],
               ohlcv[ohlcv.length -7][4],
               ohlcv[ohlcv.length -6][4],
               ohlcv[ohlcv.length -5][4],
               ohlcv[ohlcv.length -4][4],
               ohlcv[ohlcv.length - 3][4],
               ohlcv[ohlcv.length - 2][4],
               ohlcv[ohlcv.length - 1][4],
          ]
          // const result = rsi2(data);
          // console.log(result)
          // console.log(data)
          console.log(data.length)

          // ta.add( ohlcv[ohlcv.length - 1][4]);
 
          // Calculate the RSI
          // ta.RSI
          // const rsi1 = ta.rsi(data); // You can adjust the number of periods (14) to your liking
         
          // console.log(`BTC/USDT RSI: ${rsi1}`);



          var length = 15; // default = 14
          let res = await ta.rsi(data, length);
         
          //    console.log({mine:res})

          // let arr = [];
          let sub = [];
          let add = [];
          let avgGain = 0.0;
          let aveLoss = 0.0;
          for(var i = 0 ; i < data.length;i++){
              let sd = data[i+1]
              if(sd != undefined){
                  // console.log(sd)
                  let d = sd -  data[i];
                  if(d > 0 ){
                    let nd1 = d.toFixed(2)
                    avgGain += d;
                    add.push(parseFloat(nd1))
                  }
                  else if(d<0){
                    let nd2 = d.toFixed(2)
                    sub.push(parseFloat(nd2))
                    aveLoss += d * -1;
                  }
                  let nd = d.toFixed(2)
                  jrr.push(parseFloat(nd))
              }
          }
         
          avgGain /= 14;
          // console.log(avgGain)
          // console.log(aveLoss)
          aveLoss /= 14

          // console.log(jrr)
                    let  sum =0
                    for(a=0;a<add.length;a++){
                         // if(a == add.length -1){
       
                         // }
                         // else {
                             sum +=  add[a]
                         // }
                    }
                    let min = 0;
                    for(a=0;a<sub.length;a++){
                         // if(a == sub.length-1 ){

                         // }
                         // else {
                     
                             min +=  sub[a]
                         // }
                    }
                    let s = 0;
                    for(a=0;a<jrr.length;a++){
                         if(a == jrr.length -1){
       
                         }
                         else {
                             s +=  jrr[a]
                         }
                    }
                    let sma = s/13
     
                    console.log({jrr:jrr[jrr.length-1]})
                 let currentdiff = jrr[jrr.length-1]
                   
                    let nmin = min * -1
                         let ag = sum/ 15;
                         let al = nmin/ 15;
                         var rs = ag / al;

                         let rsi =  (100 - (100 / (1 + rs)))
 
                         console.log({releativestrengthindex: (rsi)})
          //   }
          //  })                
          // })                
}
// newFunction()
setInterval(newFunction, 1000)




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