pages/index.js
/**
   * [function to execute every 50 ms to update prices view]
   *
   */
[function to execute every 50 ms to update prices view]
[ function to execute every 50 ms to update prices view ]
updatePricesBA() {
    this.setState({
      prices: this.pricesM
    })
  }
updatePricesBA ( ) { this . setState ( { prices : this . pricesM } ) }
[function to execute every 50 ms to update prices view]
[ function to execute every 50 ms to update prices view ]
// console.log('-> update prices')