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