import { AbstractOrderFilledCancelledFetcher } from '@0xproject/order-utils'; import { BigNumber } from '@0xproject/utils'; import { ExchangeWrapper } from './exchange_wrapper'; export class SimpleOrderFilledCancelledFetcher implements AbstractOrderFilledCancelledFetcher { private readonly _exchangeWrapper: ExchangeWrapper; private readonly _zrxAssetData: string; constructor(exchange: ExchangeWrapper, zrxAssetData: string) { this._exchangeWrapper = exchange; this._zrxAssetData = zrxAssetData; } public async getFilledTakerAmountAsync(orderHash: string): Promise { const filledTakerAmount = new BigNumber(await this._exchangeWrapper.getTakerAssetFilledAmountAsync(orderHash)); return filledTakerAmount; } public async isOrderCancelledAsync(orderHash: string): Promise { const isCancelled = await this._exchangeWrapper.isCancelledAsync(orderHash); return isCancelled; } public getZRXAssetData(): string { return this._zrxAssetData; } }