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import { BigNumber } from '@0xproject/utils';
import * as _ from 'lodash';
import { SignedOrder, ZeroEx } from '../../src';
const SHOULD_ADD_PERSONAL_MESSAGE_PREFIX = false;
export const orderFactory = {
async createSignedOrderAsync(
zeroEx: ZeroEx,
maker: string,
taker: string,
makerFee: BigNumber,
takerFee: BigNumber,
makerTokenAmount: BigNumber,
makerTokenAddress: string,
takerTokenAmount: BigNumber,
takerTokenAddress: string,
exchangeContractAddress: string,
feeRecipient: string,
expirationUnixTimestampSecIfExists?: BigNumber,
): Promise<SignedOrder> {
const defaultExpirationUnixTimestampSec = new BigNumber(2524604400); // Close to infinite
const expirationUnixTimestampSec = _.isUndefined(expirationUnixTimestampSecIfExists)
? defaultExpirationUnixTimestampSec
: expirationUnixTimestampSecIfExists;
const order = {
maker,
taker,
makerFee,
takerFee,
makerTokenAmount,
takerTokenAmount,
makerTokenAddress,
takerTokenAddress,
salt: ZeroEx.generatePseudoRandomSalt(),
exchangeContractAddress,
feeRecipient,
expirationUnixTimestampSec,
};
const orderHash = ZeroEx.getOrderHashHex(order);
const ecSignature = await zeroEx.signOrderHashAsync(orderHash, maker, SHOULD_ADD_PERSONAL_MESSAGE_PREFIX);
const signedOrder: SignedOrder = _.assign(order, { ecSignature });
return signedOrder;
},
};
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