packages/order-utils/src/abstract/abstract_order_filled_cancelled_fetcher.ts


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import { BigNumber } from '@0xproject/utils';

export abstract class AbstractOrderFilledCancelledFetcher {
    public abstract async getFilledTakerAmountAsync(orderHash: string): Promise<BigNumber>;
    public abstract async getCancelledTakerAmountAsync(orderHash: string): Promise<BigNumber>;
    public abstract async getUnavailableTakerAmountAsync(orderHash: string): Promise<BigNumber>;
    public abstract getZRXTokenAddress(): string;
}