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import 'mocha';
import * as chai from 'chai';
import * as _ from 'lodash';
import * as Sinon from 'sinon';
import * as Web3 from 'web3';
import BigNumber from 'bignumber.js';
import {chaiSetup} from './utils/chai_setup';
import {web3Factory} from './utils/web3_factory';
import {utils} from '../src/utils/utils';
import {Web3Wrapper} from '../src/web3_wrapper';
import {TokenUtils} from './utils/token_utils';
import {ExpirationWatcher} from '../src/order_watcher/expiration_watcher';
import {Token, DoneCallback} from '../src/types';
import {ZeroEx} from '../src/0x';
import {BlockchainLifecycle} from './utils/blockchain_lifecycle';
import {FillScenarios} from './utils/fill_scenarios';
import {reportCallbackErrors} from './utils/report_callback_errors';
chaiSetup.configure();
const expect = chai.expect;
const blockchainLifecycle = new BlockchainLifecycle();
describe('ExpirationWatcher', () => {
let web3: Web3;
let zeroEx: ZeroEx;
let tokenUtils: TokenUtils;
let tokens: Token[];
let userAddresses: string[];
let zrxTokenAddress: string;
let fillScenarios: FillScenarios;
let exchangeContractAddress: string;
let makerTokenAddress: string;
let takerTokenAddress: string;
let coinbase: string;
let makerAddress: string;
let takerAddress: string;
let feeRecipient: string;
const fillableAmount = new BigNumber(5);
let currentUnixTimestampSec: BigNumber;
let timer: Sinon.SinonFakeTimers;
let expirationWatcher: ExpirationWatcher;
before(async () => {
web3 = web3Factory.create();
zeroEx = new ZeroEx(web3.currentProvider);
exchangeContractAddress = await zeroEx.exchange.getContractAddressAsync();
userAddresses = await zeroEx.getAvailableAddressesAsync();
tokens = await zeroEx.tokenRegistry.getTokensAsync();
tokenUtils = new TokenUtils(tokens);
zrxTokenAddress = tokenUtils.getProtocolTokenOrThrow().address;
fillScenarios = new FillScenarios(zeroEx, userAddresses, tokens, zrxTokenAddress, exchangeContractAddress);
[coinbase, makerAddress, takerAddress, feeRecipient] = userAddresses;
tokens = await zeroEx.tokenRegistry.getTokensAsync();
const [makerToken, takerToken] = tokenUtils.getNonProtocolTokens();
makerTokenAddress = makerToken.address;
takerTokenAddress = takerToken.address;
});
beforeEach(async () => {
await blockchainLifecycle.startAsync();
const sinonTimerConfig = {shouldAdvanceTime: true} as any;
// This constructor has incorrect types
timer = Sinon.useFakeTimers(sinonTimerConfig);
currentUnixTimestampSec = utils.getCurrentUnixTimestampSec();
expirationWatcher = new ExpirationWatcher();
});
afterEach(async () => {
await blockchainLifecycle.revertAsync();
timer.restore();
expirationWatcher.unsubscribe();
});
it('correctly emits events when order expires', (done: DoneCallback) => {
(async () => {
const orderLifetimeSec = 60;
const expirationUnixTimestampSec = currentUnixTimestampSec.plus(orderLifetimeSec);
const signedOrder = await fillScenarios.createFillableSignedOrderAsync(
makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount,
expirationUnixTimestampSec,
);
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
expirationWatcher.addOrder(orderHash, signedOrder.expirationUnixTimestampSec.times(1000));
const callbackAsync = reportCallbackErrors(done)(async (hash: string) => {
expect(hash).to.be.equal(orderHash);
expect(utils.getCurrentUnixTimestampSec()).to.be.bignumber.gte(expirationUnixTimestampSec);
done();
});
expirationWatcher.subscribe(callbackAsync);
timer.tick(orderLifetimeSec * 1000);
})().catch(done);
});
it('doesn\'t emit events before order expires', (done: DoneCallback) => {
(async () => {
const orderLifetimeSec = 60;
const expirationUnixTimestampSec = currentUnixTimestampSec.plus(orderLifetimeSec);
const signedOrder = await fillScenarios.createFillableSignedOrderAsync(
makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount,
expirationUnixTimestampSec,
);
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
expirationWatcher.addOrder(orderHash, signedOrder.expirationUnixTimestampSec.times(1000));
const callbackAsync = reportCallbackErrors(done)(async (hash: string) => {
done(new Error('Emitted expiration went before the order actually expired'));
});
expirationWatcher.subscribe(callbackAsync);
const notEnoughTime = orderLifetimeSec - 1;
timer.tick(notEnoughTime * 1000);
done();
})().catch(done);
});
it('emits events in correct order', (done: DoneCallback) => {
(async () => {
const order1Lifetime = 60;
const order2Lifetime = 120;
const order1ExpirationUnixTimestampSec = currentUnixTimestampSec.plus(order1Lifetime);
const order2ExpirationUnixTimestampSec = currentUnixTimestampSec.plus(order2Lifetime);
const signedOrder1 = await fillScenarios.createFillableSignedOrderAsync(
makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount,
order1ExpirationUnixTimestampSec,
);
const signedOrder2 = await fillScenarios.createFillableSignedOrderAsync(
makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount,
order2ExpirationUnixTimestampSec,
);
const orderHash1 = ZeroEx.getOrderHashHex(signedOrder1);
const orderHash2 = ZeroEx.getOrderHashHex(signedOrder2);
expirationWatcher.addOrder(orderHash2, signedOrder2.expirationUnixTimestampSec.times(1000));
expirationWatcher.addOrder(orderHash1, signedOrder1.expirationUnixTimestampSec.times(1000));
const expirationOrder = [orderHash1, orderHash2];
const callbackAsync = reportCallbackErrors(done)(async (hash: string) => {
const orderHash = expirationOrder.shift();
expect(hash).to.be.equal(orderHash);
if (_.isEmpty(expirationOrder)) {
done();
}
});
expirationWatcher.subscribe(callbackAsync);
timer.tick(order2Lifetime * 1000);
})().catch(done);
});
});
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