function main(){
        exchange.SetContractType('swap')
        exchange.SetCurrency('BNB_USDT')
        Log(exchange.GetPosition())
        acc = exchange.GetAccount()
        //Log(exchange.GetAccount().Info)
        var pos = exchange.GetAccount().Info.positions
        var positioned = false
        for(var i=0;i<pos.length;i++){
            if (pos[i].positionAmt != 0){
                positioned = true
                var symbol = pos[i].symbol.replace('USDT','_USDT')