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import {BigNumber} from 'bignumber.js';
import * as _ from 'lodash';
import {Order} from './order';
import {BatchCancelOrders, BatchFillOrders, FillOrdersUpTo} from './types';
export const formatters = {
createBatchFill(orders: Order[],
shouldThrowOnInsufficientBalanceOrAllowance: boolean,
fillTakerTokenAmounts: BigNumber[] = []) {
const batchFill: BatchFillOrders = {
orderAddresses: [],
orderValues: [],
fillTakerTokenAmounts,
shouldThrowOnInsufficientBalanceOrAllowance,
v: [],
r: [],
s: [],
};
_.forEach(orders, order => {
batchFill.orderAddresses.push([order.params.maker, order.params.taker, order.params.makerToken,
order.params.takerToken, order.params.feeRecipient]);
batchFill.orderValues.push([order.params.makerTokenAmount, order.params.takerTokenAmount,
order.params.makerFee, order.params.takerFee,
order.params.expirationTimestampInSec, order.params.salt]);
batchFill.v.push(order.params.v);
batchFill.r.push(order.params.r);
batchFill.s.push(order.params.s);
if (fillTakerTokenAmounts.length < orders.length) {
batchFill.fillTakerTokenAmounts.push(order.params.takerTokenAmount);
}
});
return batchFill;
},
createFillUpTo(orders: Order[],
shouldThrowOnInsufficientBalanceOrAllowance: boolean,
fillTakerTokenAmount: BigNumber) {
const fillUpTo: FillOrdersUpTo = {
orderAddresses: [],
orderValues: [],
fillTakerTokenAmount,
shouldThrowOnInsufficientBalanceOrAllowance,
v: [],
r: [],
s: [],
};
orders.forEach(order => {
fillUpTo.orderAddresses.push([order.params.maker, order.params.taker, order.params.makerToken,
order.params.takerToken, order.params.feeRecipient]);
fillUpTo.orderValues.push([order.params.makerTokenAmount, order.params.takerTokenAmount,
order.params.makerFee, order.params.takerFee,
order.params.expirationTimestampInSec, order.params.salt]);
fillUpTo.v.push(order.params.v);
fillUpTo.r.push(order.params.r);
fillUpTo.s.push(order.params.s);
});
return fillUpTo;
},
createBatchCancel(orders: Order[], cancelTakerTokenAmounts: BigNumber[] = []) {
const batchCancel: BatchCancelOrders = {
orderAddresses: [],
orderValues: [],
cancelTakerTokenAmounts,
};
orders.forEach(order => {
batchCancel.orderAddresses.push([order.params.maker, order.params.taker, order.params.makerToken,
order.params.takerToken, order.params.feeRecipient]);
batchCancel.orderValues.push([order.params.makerTokenAmount, order.params.takerTokenAmount,
order.params.makerFee, order.params.takerFee,
order.params.expirationTimestampInSec, order.params.salt]);
if (cancelTakerTokenAmounts.length < orders.length) {
batchCancel.cancelTakerTokenAmounts.push(order.params.takerTokenAmount);
}
});
return batchCancel;
},
};
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