112 lines
3.9 KiB
TypeScript
112 lines
3.9 KiB
TypeScript
import { BigNumber } from '@0xproject/utils';
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import * as _ from 'lodash';
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import { Order } from './order';
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import { BatchCancelOrders, BatchFillOrders, FillOrdersUpTo } from './types';
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export const formatters = {
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createBatchFill(
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orders: Order[],
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shouldThrowOnInsufficientBalanceOrAllowance: boolean,
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fillTakerTokenAmounts: BigNumber[] = [],
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) {
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const batchFill: BatchFillOrders = {
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orderAddresses: [],
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orderValues: [],
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fillTakerTokenAmounts,
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shouldThrowOnInsufficientBalanceOrAllowance,
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v: [],
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r: [],
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s: [],
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};
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_.forEach(orders, order => {
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batchFill.orderAddresses.push([
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order.params.maker,
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order.params.taker,
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order.params.makerToken,
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order.params.takerToken,
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order.params.feeRecipient,
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]);
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batchFill.orderValues.push([
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order.params.makerTokenAmount,
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order.params.takerTokenAmount,
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order.params.makerFee,
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order.params.takerFee,
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order.params.expirationTimestampInSec,
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order.params.salt,
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]);
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batchFill.v.push(order.params.v as number);
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batchFill.r.push(order.params.r as string);
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batchFill.s.push(order.params.s as string);
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if (fillTakerTokenAmounts.length < orders.length) {
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batchFill.fillTakerTokenAmounts.push(order.params.takerTokenAmount);
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}
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});
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return batchFill;
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},
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createFillUpTo(
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orders: Order[],
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shouldThrowOnInsufficientBalanceOrAllowance: boolean,
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fillTakerTokenAmount: BigNumber,
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) {
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const fillUpTo: FillOrdersUpTo = {
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orderAddresses: [],
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orderValues: [],
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fillTakerTokenAmount,
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shouldThrowOnInsufficientBalanceOrAllowance,
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v: [],
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r: [],
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s: [],
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};
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orders.forEach(order => {
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fillUpTo.orderAddresses.push([
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order.params.maker,
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order.params.taker,
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order.params.makerToken,
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order.params.takerToken,
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order.params.feeRecipient,
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]);
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fillUpTo.orderValues.push([
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order.params.makerTokenAmount,
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order.params.takerTokenAmount,
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order.params.makerFee,
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order.params.takerFee,
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order.params.expirationTimestampInSec,
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order.params.salt,
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]);
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fillUpTo.v.push(order.params.v as number);
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fillUpTo.r.push(order.params.r as string);
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fillUpTo.s.push(order.params.s as string);
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});
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return fillUpTo;
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},
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createBatchCancel(orders: Order[], cancelTakerTokenAmounts: BigNumber[] = []) {
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const batchCancel: BatchCancelOrders = {
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orderAddresses: [],
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orderValues: [],
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cancelTakerTokenAmounts,
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};
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orders.forEach(order => {
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batchCancel.orderAddresses.push([
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order.params.maker,
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order.params.taker,
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order.params.makerToken,
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order.params.takerToken,
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order.params.feeRecipient,
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]);
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batchCancel.orderValues.push([
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order.params.makerTokenAmount,
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order.params.takerTokenAmount,
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order.params.makerFee,
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order.params.takerFee,
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order.params.expirationTimestampInSec,
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order.params.salt,
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]);
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if (cancelTakerTokenAmounts.length < orders.length) {
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batchCancel.cancelTakerTokenAmounts.push(order.params.takerTokenAmount);
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}
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});
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return batchCancel;
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},
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};
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