import { BigNumber } from "bignumber.js" ; /**
 * An aggregated level in the orderbook, containing the total
 * amount of token available to purchase at a certain price
 */ export class PriceLevel { /**
     * The price of the tokens
     */ readonly price : BigNumber ; /**
     * The total aggregated amount of tokens available for this price
     */ readonly amount : BigNumber ; constructor ( json ) { this . price = json . price ? new BigNumber ( json . price ) : new BigNumber ( "0" ) ; this . amount = json . amount ? new BigNumber ( json . amount ) : new BigNumber ( "0" ) ; } }