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 {Web3Wrapper} from '../src/web3_wrapper';
import {OrderStateWatcher} from '../src/mempool/order_state_watcher';
import {
Token,
ZeroEx,
LogEvent,
DecodedLogEvent,
OrderState,
OrderStateValid,
} from '../src';
import {TokenUtils} from './utils/token_utils';
import {FillScenarios} from './utils/fill_scenarios';
import {DoneCallback} from '../src/types';
chaiSetup.configure();
const expect = chai.expect;
describe('EventWatcher', () => {
let web3: Web3;
let stubs: Sinon.SinonStub[] = [];
let zeroEx: ZeroEx;
let tokens: Token[];
let tokenUtils: TokenUtils;
let fillScenarios: FillScenarios;
let userAddresses: string[];
let zrxTokenAddress: string;
let exchangeContractAddress: string;
let makerToken: Token;
let takerToken: Token;
let maker: string;
let taker: string;
let web3Wrapper: Web3Wrapper;
const fillableAmount = new BigNumber(5);
const fakeLog = {
address: '0xcdb594a32b1cc3479d8746279712c39d18a07fc0',
blockHash: '0x2d5cec6e3239d40993b74008f684af82b69f238697832e4c4d58e0ba5a2fa99e',
blockNumber: '0x34',
data: '0x0000000000000000000000000000000000000000000000000000000000000028',
logIndex: '0x00',
topics: [
'0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925',
'0x0000000000000000000000006ecbe1db9ef729cbe972c83fb886247691fb6beb',
'0x000000000000000000000000871dd7c2b4b25e1aa18728e9d5f2af4c4e431f5c',
],
transactionHash: '0xa550fbe937985c383ed7ed077cf6011960a3c2d38ea39dea209426546f0e95cb',
transactionIndex: '0x00',
type: 'mined',
};
before(async () => {
web3 = web3Factory.create();
zeroEx = new ZeroEx(web3.currentProvider);
exchangeContractAddress = await zeroEx.exchange.getContractAddressAsync();
userAddresses = await zeroEx.getAvailableAddressesAsync();
[, maker, taker] = userAddresses;
tokens = await zeroEx.tokenRegistry.getTokensAsync();
tokenUtils = new TokenUtils(tokens);
zrxTokenAddress = tokenUtils.getProtocolTokenOrThrow().address;
fillScenarios = new FillScenarios(zeroEx, userAddresses, tokens, zrxTokenAddress, exchangeContractAddress);
[makerToken, takerToken] = tokenUtils.getNonProtocolTokens();
web3Wrapper = (zeroEx as any)._web3Wrapper;
});
beforeEach(() => {
const getLogsStub = Sinon.stub(web3Wrapper, 'getLogsAsync');
getLogsStub.onCall(0).returns([fakeLog]);
});
afterEach(() => {
// clean up any stubs after the test has completed
_.each(stubs, s => s.restore());
stubs = [];
zeroEx.orderStateWatcher.unsubscribe();
});
it('should receive OrderState when order state is changed', (done: DoneCallback) => {
(async () => {
const signedOrder = await fillScenarios.createFillableSignedOrderAsync(
makerToken.address, takerToken.address, maker, taker, fillableAmount,
);
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
zeroEx.orderStateWatcher.addOrder(signedOrder);
const callback = (orderState: OrderState) => {
expect(orderState.isValid).to.be.true();
expect(orderState.orderHash).to.be.equal(orderHash);
const orderRelevantState = (orderState as OrderStateValid).orderRelevantState;
expect(orderRelevantState.makerBalance).to.be.bignumber.equal(fillableAmount);
expect(orderRelevantState.makerProxyAllowance).to.be.bignumber.equal(fillableAmount);
expect(orderRelevantState.makerFeeBalance).to.be.bignumber.equal(0);
expect(orderRelevantState.makerFeeProxyAllowance).to.be.bignumber.equal(0);
expect(orderRelevantState.filledTakerTokenAmount).to.be.bignumber.equal(0);
expect(orderRelevantState.canceledTakerTokenAmount).to.be.bignumber.equal(0);
done();
};
zeroEx.orderStateWatcher.subscribe(callback);
})().catch(done);
});
});
