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import { SignedOrder } from '@0x/types';
import { BigNumber } from '@0x/utils';
import * as _ from 'lodash';
import { constants } from './constants';
import { orderUtils } from './order_utils';
import { BatchCancelOrders, BatchFillOrders, MarketBuyOrders, MarketSellOrders } from './types';
export const formatters = {
createBatchFill(signedOrders: SignedOrder[], takerAssetFillAmounts: BigNumber[] = []): BatchFillOrders {
const batchFill: BatchFillOrders = {
orders: [],
signatures: [],
takerAssetFillAmounts,
};
_.forEach(signedOrders, signedOrder => {
const orderWithoutExchangeAddress = orderUtils.getOrderWithoutExchangeAddress(signedOrder);
batchFill.orders.push(orderWithoutExchangeAddress);
batchFill.signatures.push(signedOrder.signature);
if (takerAssetFillAmounts.length < signedOrders.length) {
batchFill.takerAssetFillAmounts.push(signedOrder.takerAssetAmount);
}
});
return batchFill;
},
createMarketSellOrders(signedOrders: SignedOrder[], takerAssetFillAmount: BigNumber): MarketSellOrders {
const marketSellOrders: MarketSellOrders = {
orders: [],
signatures: [],
takerAssetFillAmount,
};
_.forEach(signedOrders, (signedOrder, i) => {
const orderWithoutExchangeAddress = orderUtils.getOrderWithoutExchangeAddress(signedOrder);
if (i !== 0) {
orderWithoutExchangeAddress.takerAssetData = constants.NULL_BYTES;
}
marketSellOrders.orders.push(orderWithoutExchangeAddress);
marketSellOrders.signatures.push(signedOrder.signature);
});
return marketSellOrders;
},
createMarketBuyOrders(signedOrders: SignedOrder[], makerAssetFillAmount: BigNumber): MarketBuyOrders {
const marketBuyOrders: MarketBuyOrders = {
orders: [],
signatures: [],
makerAssetFillAmount,
};
_.forEach(signedOrders, (signedOrder, i) => {
const orderWithoutExchangeAddress = orderUtils.getOrderWithoutExchangeAddress(signedOrder);
if (i !== 0) {
orderWithoutExchangeAddress.makerAssetData = constants.NULL_BYTES;
}
marketBuyOrders.orders.push(orderWithoutExchangeAddress);
marketBuyOrders.signatures.push(signedOrder.signature);
});
return marketBuyOrders;
},
createBatchCancel(signedOrders: SignedOrder[]): BatchCancelOrders {
const batchCancel: BatchCancelOrders = {
orders: [],
};
_.forEach(signedOrders, signedOrder => {
const orderWithoutExchangeAddress = orderUtils.getOrderWithoutExchangeAddress(signedOrder);
batchCancel.orders.push(orderWithoutExchangeAddress);
});
return batchCancel;
},
};
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