33 lines
1.2 KiB
TypeScript
33 lines
1.2 KiB
TypeScript
import { ZeroEx } from '0x.js';
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import { BigNumber } from '@0xproject/utils';
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import { Web3Wrapper } from '@0xproject/web3-wrapper';
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import * as _ from 'lodash';
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import { Order } from './order';
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import { DefaultOrderParams, OptionalOrderParams, OrderParams } from './types';
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export class OrderFactory {
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private _defaultOrderParams: DefaultOrderParams;
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private _web3Wrapper: Web3Wrapper;
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constructor(web3Wrapper: Web3Wrapper, defaultOrderParams: DefaultOrderParams) {
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this._defaultOrderParams = defaultOrderParams;
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this._web3Wrapper = web3Wrapper;
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}
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public async newSignedOrderAsync(customOrderParams: OptionalOrderParams = {}): Promise<Order> {
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const randomExpiration = new BigNumber(Math.floor((Date.now() + Math.random() * 100000000000) / 1000));
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const orderParams: OrderParams = _.assign(
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{},
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{
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expirationTimestampInSec: randomExpiration,
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salt: ZeroEx.generatePseudoRandomSalt(),
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taker: ZeroEx.NULL_ADDRESS,
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},
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this._defaultOrderParams,
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customOrderParams,
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);
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const order = new Order(this._web3Wrapper, orderParams);
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await order.signAsync();
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return order;
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}
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}
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