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import { BigNumber } from '@0xproject/utils';
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 as number);
batchFill.r.push(order.params.r as string);
batchFill.s.push(order.params.s as string);
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 as number);
fillUpTo.r.push(order.params.r as string);
fillUpTo.s.push(order.params.s as string);
});
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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