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import { SignedOrder } from '@0xproject/types';
import { BigNumber } from '@0xproject/utils';
import {
ForwarderHelper,
MarketBuyOrdersInfo,
MarketBuyOrdersInfoRequest,
MarketSellOrdersInfo,
MarketSellOrdersInfoRequest,
} from './types';
export class ForwarderHelperImpl implements ForwarderHelper {
private _orders: SignedOrder[];
private _feeOrders: SignedOrder[];
private _remainingFillableMakerAssetAmountsIfExists?: BigNumber[];
private _remainingFillableFeeAmountsIfExists?: BigNumber[];
constructor(
orders: SignedOrder[],
feeOrders: SignedOrder[] = [] as SignedOrder[],
remainingFillableMakerAssetAmounts?: BigNumber[],
remainingFillableFeeAmounts?: BigNumber[],
) {
this._orders = orders;
this._feeOrders = feeOrders;
this._remainingFillableMakerAssetAmountsIfExists = remainingFillableMakerAssetAmounts;
this._remainingFillableFeeAmountsIfExists = remainingFillableFeeAmounts;
}
public getMarketBuyOrdersInfo(request: MarketBuyOrdersInfoRequest): MarketBuyOrdersInfo {
const { makerAssetFillAmount, feePercentage, acceptableEthAmountRange } = request;
return {
makerAssetFillAmount,
orders: this._orders,
feeOrders: this._feeOrders,
minEthAmount: new BigNumber(0),
maxEthAmount: new BigNumber(0),
feePercentage,
};
}
public getMarketSellOrdersInfo(request: MarketSellOrdersInfoRequest): MarketSellOrdersInfo {
const { ethAmount, feePercentage, acceptableFillAmountRange } = request;
return {
ethAmount,
orders: this._orders,
feeOrders: this._feeOrders,
minFillAmount: new BigNumber(0),
maxFillAmount: new BigNumber(0),
feePercentage,
};
}
}
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