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import * as _ from 'lodash';
import * as BigNumber from 'bignumber.js';
import {SignedOrder, Token} from '../../src/types';
import {ZeroEx} from '../../src/0x.js';
import {constants} from './constants';
import * as ExchangeArtifacts from '../../src/artifacts/Exchange.json';
export const orderFactory = {
async createSignedOrderAsync(
zeroEx: ZeroEx,
maker: string,
taker: string,
makerTokenAmount: BigNumber.BigNumber|number,
makerTokenAddress: string,
takerTokenAmount: BigNumber.BigNumber|number,
takerTokenAddress: string,
expirationUnixTimestampSec?: BigNumber.BigNumber): Promise<SignedOrder> {
const defaultExpirationUnixTimestampSec = new BigNumber(2524604400); // Close to infinite
expirationUnixTimestampSec = _.isUndefined(expirationUnixTimestampSec) ?
defaultExpirationUnixTimestampSec :
expirationUnixTimestampSec;
const order = {
maker,
taker,
makerFee: new BigNumber(0),
takerFee: new BigNumber(0),
makerTokenAmount: _.isNumber(makerTokenAmount) ? new BigNumber(makerTokenAmount) : makerTokenAmount,
takerTokenAmount: _.isNumber(takerTokenAmount) ? new BigNumber(takerTokenAmount) : takerTokenAmount,
makerTokenAddress,
takerTokenAddress,
salt: ZeroEx.generatePseudoRandomSalt(),
feeRecipient: constants.NULL_ADDRESS,
expirationUnixTimestampSec,
};
const orderHash = await zeroEx.getOrderHashHexAsync(order);
const ecSignature = await zeroEx.signOrderHashAsync(orderHash);
const signedOrder: SignedOrder = _.assign(order, {ecSignature});
return signedOrder;
},
};
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