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import { SignedOrder } from '0x.js';
import { BigNumber } from '@0xproject/utils';
import * as _ from 'lodash';
import { BatchCancelOrders, BatchFillOrders, FillOrdersUpTo } from './types';
export const formatters = {
createBatchFill(
signedOrders: SignedOrder[],
shouldThrowOnInsufficientBalanceOrAllowance: boolean,
fillTakerTokenAmounts: BigNumber[] = [],
) {
const batchFill: BatchFillOrders = {
orderAddresses: [],
orderValues: [],
fillTakerTokenAmounts,
shouldThrowOnInsufficientBalanceOrAllowance,
v: [],
r: [],
s: [],
};
_.forEach(signedOrders, signedOrder => {
batchFill.orderAddresses.push([
signedOrder.maker,
signedOrder.taker,
signedOrder.makerTokenAddress,
signedOrder.takerTokenAddress,
signedOrder.feeRecipient,
]);
batchFill.orderValues.push([
signedOrder.makerTokenAmount,
signedOrder.takerTokenAmount,
signedOrder.makerFee,
signedOrder.takerFee,
signedOrder.expirationUnixTimestampSec,
signedOrder.salt,
]);
batchFill.v.push(signedOrder.ecSignature.v);
batchFill.r.push(signedOrder.ecSignature.r);
batchFill.s.push(signedOrder.ecSignature.s);
if (fillTakerTokenAmounts.length < signedOrders.length) {
batchFill.fillTakerTokenAmounts.push(signedOrder.takerTokenAmount);
}
});
return batchFill;
},
createFillUpTo(
signedOrders: SignedOrder[],
shouldThrowOnInsufficientBalanceOrAllowance: boolean,
fillTakerTokenAmount: BigNumber,
) {
const fillUpTo: FillOrdersUpTo = {
orderAddresses: [],
orderValues: [],
fillTakerTokenAmount,
shouldThrowOnInsufficientBalanceOrAllowance,
v: [],
r: [],
s: [],
};
signedOrders.forEach(signedOrder => {
fillUpTo.orderAddresses.push([
signedOrder.maker,
signedOrder.taker,
signedOrder.makerTokenAddress,
signedOrder.takerTokenAddress,
signedOrder.feeRecipient,
]);
fillUpTo.orderValues.push([
signedOrder.makerTokenAmount,
signedOrder.takerTokenAmount,
signedOrder.makerFee,
signedOrder.takerFee,
signedOrder.expirationUnixTimestampSec,
signedOrder.salt,
]);
fillUpTo.v.push(signedOrder.ecSignature.v);
fillUpTo.r.push(signedOrder.ecSignature.r);
fillUpTo.s.push(signedOrder.ecSignature.s);
});
return fillUpTo;
},
createBatchCancel(signedOrders: SignedOrder[], cancelTakerTokenAmounts: BigNumber[] = []) {
const batchCancel: BatchCancelOrders = {
orderAddresses: [],
orderValues: [],
cancelTakerTokenAmounts,
};
signedOrders.forEach(signedOrder => {
batchCancel.orderAddresses.push([
signedOrder.maker,
signedOrder.taker,
signedOrder.makerTokenAddress,
signedOrder.takerTokenAddress,
signedOrder.feeRecipient,
]);
batchCancel.orderValues.push([
signedOrder.makerTokenAmount,
signedOrder.takerTokenAmount,
signedOrder.makerFee,
signedOrder.takerFee,
signedOrder.expirationUnixTimestampSec,
signedOrder.salt,
]);
if (cancelTakerTokenAmounts.length < signedOrders.length) {
batchCancel.cancelTakerTokenAmounts.push(signedOrder.takerTokenAmount);
}
});
return batchCancel;
},
};
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