import 'mocha'; import * as chai from 'chai'; import * as Web3 from 'web3'; import * as BigNumber from 'bignumber.js'; import {chaiSetup} from './utils/chai_setup'; import ChaiBigNumber = require('chai-bignumber'); import promisify = require('es6-promisify'); import {web3Factory} from './utils/web3_factory'; import {BlockchainLifecycle} from './utils/blockchain_lifecycle'; import { ZeroEx, Token, SignedOrder, SubscriptionOpts, ExchangeEvents, ContractEvent, ExchangeContractErrs, OrderCancellationRequest, OrderFillRequest, LogFillContractEventArgs, } from '../src'; import {DoneCallback} from '../src/types'; import {FillScenarios} from './utils/fill_scenarios'; import {TokenUtils} from './utils/token_utils'; import {assert} from '../src/utils/assert'; import {TokenTransferProxyWrapper} from '../src/contract_wrappers/token_transfer_proxy_wrapper'; chaiSetup.configure(); const expect = chai.expect; const blockchainLifecycle = new BlockchainLifecycle(); const NON_EXISTENT_ORDER_HASH = '0x79370342234e7acd6bbeac335bd3bb1d368383294b64b8160a00f4060e4d3777'; describe('ExchangeWrapper', () => { let web3: Web3; let zeroEx: ZeroEx; let tokenUtils: TokenUtils; let tokens: Token[]; let userAddresses: string[]; let zrxTokenAddress: string; let fillScenarios: FillScenarios; let exchangeContractAddress: string; 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); }); beforeEach(async () => { await blockchainLifecycle.startAsync(); }); afterEach(async () => { await blockchainLifecycle.revertAsync(); }); describe('fillOrKill order(s)', () => { let makerTokenAddress: string; let takerTokenAddress: string; let coinbase: string; let makerAddress: string; let takerAddress: string; let feeRecipient: string; const fillTakerAmount = new BigNumber(5); before(async () => { [coinbase, makerAddress, takerAddress, feeRecipient] = userAddresses; tokens = await zeroEx.tokenRegistry.getTokensAsync(); const [makerToken, takerToken] = tokenUtils.getNonProtocolTokens(); makerTokenAddress = makerToken.address; takerTokenAddress = takerToken.address; }); describe('#batchFillOrKillAsync', () => { it('successfuly batch fillOrKill', async () => { const fillableAmount = new BigNumber(5); const partialFillTakerAmount = new BigNumber(2); const signedOrder = await fillScenarios.createFillableSignedOrderAsync( makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount, ); const anotherSignedOrder = await fillScenarios.createFillableSignedOrderAsync( makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount, ); const orderFillOrKillRequests = [ { signedOrder, fillTakerAmount: partialFillTakerAmount, }, { signedOrder: anotherSignedOrder, fillTakerAmount: partialFillTakerAmount, }, ]; await zeroEx.exchange.batchFillOrKillAsync(orderFillOrKillRequests, takerAddress); }); }); describe('#fillOrKillOrderAsync', () => { describe('successful fills', () => { it('should fill a valid order', async () => { const fillableAmount = new BigNumber(5); const signedOrder = await fillScenarios.createFillableSignedOrderAsync( makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount, ); expect(await zeroEx.token.getBalanceAsync(makerTokenAddress, makerAddress)) .to.be.bignumber.equal(fillableAmount); expect(await zeroEx.token.getBalanceAsync(takerTokenAddress, makerAddress)) .to.be.bignumber.equal(0); expect(await zeroEx.token.getBalanceAsync(makerTokenAddress, takerAddress)) .to.be.bignumber.equal(0); expect(await zeroEx.token.getBalanceAsync(takerTokenAddress, takerAddress)) .to.be.bignumber.equal(fillableAmount); await zeroEx.exchange.fillOrKillOrderAsync(signedOrder, fillTakerAmount, takerAddress); expect(await zeroEx.token.getBalanceAsync(makerTokenAddress, makerAddress)) .to.be.bignumber.equal(fillableAmount.minus(fillTakerAmount)); expect(await zeroEx.token.getBalanceAsync(takerTokenAddress, makerAddress)) .to.be.bignumber.equal(fillTakerAmount); expect(await zeroEx.token.getBalanceAsync(makerTokenAddress, takerAddress)) .to.be.bignumber.equal(fillTakerAmount); expect(await zeroEx.token.getBalanceAsync(takerTokenAddress, takerAddress)) .to.be.bignumber.equal(fillableAmount.minus(fillTakerAmount)); }); it('should partially fill a valid order', async () => { const fillableAmount = new BigNumber(5); const signedOrder = await fillScenarios.createFillableSignedOrderAsync( makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount, ); const partialFillAmount = new BigNumber(3); await zeroEx.exchange.fillOrKillOrderAsync(signedOrder, partialFillAmount, takerAddress); expect(await zeroEx.token.getBalanceAsync(makerTokenAddress, makerAddress)) .to.be.bignumber.equal(fillableAmount.minus(partialFillAmount)); expect(await zeroEx.token.getBalanceAsync(takerTokenAddress, makerAddress)) .to.be.bignumber.equal(partialFillAmount); expect(await zeroEx.token.getBalanceAsync(makerTokenAddress, takerAddress)) .to.be.bignumber.equal(partialFillAmount); expect(await zeroEx.token.getBalanceAsync(takerTokenAddress, takerAddress)) .to.be.bignumber.equal(fillableAmount.minus(partialFillAmount)); }); }); }); }); describe('fill order(s)', () => { let makerTokenAddress: string; let takerTokenAddress: string; let coinbase: string; let makerAddress: string; let takerAddress: string; let feeRecipient: string; const fillableAmount = new BigNumber(5); const fillTakerAmount = new BigNumber(5); const shouldThrowOnInsufficientBalanceOrAllowance = true; before(async () => { [coinbase, makerAddress, takerAddress, feeRecipient] = userAddresses; tokens = await zeroEx.tokenRegistry.getTokensAsync(); const [makerToken, takerToken] = tokenUtils.getNonProtocolTokens(); makerTokenAddress = makerToken.address; takerTokenAddress = takerToken.address; }); describe('#fillOrderAsync', () => { describe('successful fills', () => { it('should fill a valid order', async () => { const signedOrder = await fillScenarios.createFillableSignedOrderAsync( makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount, ); expect(await zeroEx.token.getBalanceAsync(makerTokenAddress, makerAddress)) .to.be.bignumber.equal(fillableAmount); expect(await zeroEx.token.getBalanceAsync(takerTokenAddress, makerAddress)) .to.be.bignumber.equal(0); expect(await zeroEx.token.getBalanceAsync(makerTokenAddress, takerAddress)) .to.be.bignumber.equal(0); expect(await zeroEx.token.getBalanceAsync(takerTokenAddress, takerAddress)) .to.be.bignumber.equal(fillableAmount); await zeroEx.exchange.fillOrderAsync( signedOrder, fillTakerAmount, shouldThrowOnInsufficientBalanceOrAllowance, takerAddress); expect(await zeroEx.token.getBalanceAsync(makerTokenAddress, makerAddress)) .to.be.bignumber.equal(fillableAmount.minus(fillTakerAmount)); expect(await zeroEx.token.getBalanceAsync(takerTokenAddress, makerAddress)) .to.be.bignumber.equal(fillTakerAmount); expect(await zeroEx.token.getBalanceAsync(makerTokenAddress, takerAddress)) .to.be.bignumber.equal(fillTakerAmount); expect(await zeroEx.token.getBalanceAsync(takerTokenAddress, takerAddress)) .to.be.bignumber.equal(fillableAmount.minus(fillTakerAmount)); }); it('should partially fill the valid order', async () => { const signedOrder = await fillScenarios.createFillableSignedOrderAsync( makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount, ); const partialFillAmount = new BigNumber(3); await zeroEx.exchange.fillOrderAsync( signedOrder, partialFillAmount, shouldThrowOnInsufficientBalanceOrAllowance, takerAddress); expect(await zeroEx.token.getBalanceAsync(makerTokenAddress, makerAddress)) .to.be.bignumber.equal(fillableAmount.minus(partialFillAmount)); expect(await zeroEx.token.getBalanceAsync(takerTokenAddress, makerAddress)) .to.be.bignumber.equal(partialFillAmount); expect(await zeroEx.token.getBalanceAsync(makerTokenAddress, takerAddress)) .to.be.bignumber.equal(partialFillAmount); expect(await zeroEx.token.getBalanceAsync(takerTokenAddress, takerAddress)) .to.be.bignumber.equal(fillableAmount.minus(partialFillAmount)); }); it('should fill the valid orders with fees', async () => { const makerFee = new BigNumber(1); const takerFee = new BigNumber(2); const signedOrder = await fillScenarios.createFillableSignedOrderWithFeesAsync( makerTokenAddress, takerTokenAddress, makerFee, takerFee, makerAddress, takerAddress, fillableAmount, feeRecipient, ); const txHash = await zeroEx.exchange.fillOrderAsync( signedOrder, fillTakerAmount, shouldThrowOnInsufficientBalanceOrAllowance, takerAddress); await zeroEx.awaitTransactionMined(txHash); expect(await zeroEx.token.getBalanceAsync(zrxTokenAddress, feeRecipient)) .to.be.bignumber.equal(makerFee.plus(takerFee)); }); }); }); describe('#batchFillOrdersAsync', () => { let signedOrder: SignedOrder; let signedOrderHashHex: string; let anotherSignedOrder: SignedOrder; let anotherOrderHashHex: string; let orderFillBatch: OrderFillRequest[]; beforeEach(async () => { signedOrder = await fillScenarios.createFillableSignedOrderAsync( makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount, ); signedOrderHashHex = ZeroEx.getOrderHashHex(signedOrder); anotherSignedOrder = await fillScenarios.createFillableSignedOrderAsync( makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount, ); anotherOrderHashHex = ZeroEx.getOrderHashHex(anotherSignedOrder); orderFillBatch = [ { signedOrder, takerTokenFillAmount: fillTakerAmount, }, { signedOrder: anotherSignedOrder, takerTokenFillAmount: fillTakerAmount, }, ]; }); describe('successful batch fills', () => { it('should throw if a batch is empty', async () => { return expect(zeroEx.exchange.batchFillOrdersAsync( [], shouldThrowOnInsufficientBalanceOrAllowance, takerAddress), ).to.be.rejectedWith(ExchangeContractErrs.BatchOrdersMustHaveAtLeastOneItem); }); it('should successfully fill multiple orders', async () => { const txHash = await zeroEx.exchange.batchFillOrdersAsync( orderFillBatch, shouldThrowOnInsufficientBalanceOrAllowance, takerAddress); await zeroEx.awaitTransactionMined(txHash); const filledAmount = await zeroEx.exchange.getFilledTakerAmountAsync(signedOrderHashHex); const anotherFilledAmount = await zeroEx.exchange.getFilledTakerAmountAsync(anotherOrderHashHex); expect(filledAmount).to.be.bignumber.equal(fillTakerAmount); expect(anotherFilledAmount).to.be.bignumber.equal(fillTakerAmount); }); }); }); describe('#fillOrdersUpTo', () => { let signedOrder: SignedOrder; let signedOrderHashHex: string; let anotherSignedOrder: SignedOrder; let anotherOrderHashHex: string; let signedOrders: SignedOrder[]; const fillUpToAmount = fillableAmount.plus(fillableAmount).minus(1); beforeEach(async () => { signedOrder = await fillScenarios.createFillableSignedOrderAsync( makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount, ); signedOrderHashHex = ZeroEx.getOrderHashHex(signedOrder); anotherSignedOrder = await fillScenarios.createFillableSignedOrderAsync( makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount, ); anotherOrderHashHex = ZeroEx.getOrderHashHex(anotherSignedOrder); signedOrders = [signedOrder, anotherSignedOrder]; }); describe('successful batch fills', () => { it('should throw if a batch is empty', async () => { return expect(zeroEx.exchange.fillOrdersUpToAsync( [], fillUpToAmount, shouldThrowOnInsufficientBalanceOrAllowance, takerAddress), ).to.be.rejectedWith(ExchangeContractErrs.BatchOrdersMustHaveAtLeastOneItem); }); it('should successfully fill up to specified amount', async () => { const txHash = await zeroEx.exchange.fillOrdersUpToAsync( signedOrders, fillUpToAmount, shouldThrowOnInsufficientBalanceOrAllowance, takerAddress, ); await zeroEx.awaitTransactionMined(txHash); const filledAmount = await zeroEx.exchange.getFilledTakerAmountAsync(signedOrderHashHex); const anotherFilledAmount = await zeroEx.exchange.getFilledTakerAmountAsync(anotherOrderHashHex); expect(filledAmount).to.be.bignumber.equal(fillableAmount); const remainingFillAmount = fillableAmount.minus(1); expect(anotherFilledAmount).to.be.bignumber.equal(remainingFillAmount); }); }); }); }); describe('cancel order(s)', () => { let makerTokenAddress: string; let takerTokenAddress: string; let coinbase: string; let makerAddress: string; let takerAddress: string; const fillableAmount = new BigNumber(5); let signedOrder: SignedOrder; let orderHashHex: string; const cancelAmount = new BigNumber(3); beforeEach(async () => { [coinbase, makerAddress, takerAddress] = userAddresses; const [makerToken, takerToken] = tokenUtils.getNonProtocolTokens(); makerTokenAddress = makerToken.address; takerTokenAddress = takerToken.address; signedOrder = await fillScenarios.createFillableSignedOrderAsync( makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount, ); orderHashHex = ZeroEx.getOrderHashHex(signedOrder); }); describe('#cancelOrderAsync', () => { describe('successful cancels', () => { it('should cancel an order', async () => { const txHash = await zeroEx.exchange.cancelOrderAsync(signedOrder, cancelAmount); await zeroEx.awaitTransactionMined(txHash); const cancelledAmount = await zeroEx.exchange.getCanceledTakerAmountAsync(orderHashHex); expect(cancelledAmount).to.be.bignumber.equal(cancelAmount); }); }); }); describe('#batchCancelOrdersAsync', () => { let anotherSignedOrder: SignedOrder; let anotherOrderHashHex: string; let cancelBatch: OrderCancellationRequest[]; beforeEach(async () => { anotherSignedOrder = await fillScenarios.createFillableSignedOrderAsync( makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount, ); anotherOrderHashHex = ZeroEx.getOrderHashHex(anotherSignedOrder); cancelBatch = [ { order: signedOrder, takerTokenCancelAmount: cancelAmount, }, { order: anotherSignedOrder, takerTokenCancelAmount: cancelAmount, }, ]; }); describe('failed batch cancels', () => { it('should throw when orders have different makers', async () => { const signedOrderWithDifferentMaker = await fillScenarios.createFillableSignedOrderAsync( makerTokenAddress, takerTokenAddress, takerAddress, takerAddress, fillableAmount, ); return expect(zeroEx.exchange.batchCancelOrdersAsync([ cancelBatch[0], { order: signedOrderWithDifferentMaker, takerTokenCancelAmount: cancelAmount, }, ])).to.be.rejectedWith(ExchangeContractErrs.MultipleMakersInSingleCancelBatchDisallowed); }); }); describe('successful batch cancels', () => { it('should cancel a batch of orders', async () => { await zeroEx.exchange.batchCancelOrdersAsync(cancelBatch); const cancelledAmount = await zeroEx.exchange.getCanceledTakerAmountAsync(orderHashHex); const anotherCancelledAmount = await zeroEx.exchange.getCanceledTakerAmountAsync( anotherOrderHashHex, ); expect(cancelledAmount).to.be.bignumber.equal(cancelAmount); expect(anotherCancelledAmount).to.be.bignumber.equal(cancelAmount); }); }); }); }); describe('tests that require partially filled order', () => { let makerTokenAddress: string; let takerTokenAddress: string; let takerAddress: string; let fillableAmount: BigNumber.BigNumber; let partialFillAmount: BigNumber.BigNumber; let signedOrder: SignedOrder; let orderHash: string; before(() => { takerAddress = userAddresses[1]; const [makerToken, takerToken] = tokens; makerTokenAddress = makerToken.address; takerTokenAddress = takerToken.address; }); beforeEach(async () => { fillableAmount = new BigNumber(5); partialFillAmount = new BigNumber(2); signedOrder = await fillScenarios.createPartiallyFilledSignedOrderAsync( makerTokenAddress, takerTokenAddress, takerAddress, fillableAmount, partialFillAmount, ); orderHash = ZeroEx.getOrderHashHex(signedOrder); }); describe('#getUnavailableTakerAmountAsync', () => { it('should throw if passed an invalid orderHash', async () => { const invalidOrderHashHex = '0x123'; return expect(zeroEx.exchange.getUnavailableTakerAmountAsync(invalidOrderHashHex)).to.be.rejected(); }); it('should return zero if passed a valid but non-existent orderHash', async () => { const unavailableValueT = await zeroEx.exchange.getUnavailableTakerAmountAsync(NON_EXISTENT_ORDER_HASH); expect(unavailableValueT).to.be.bignumber.equal(0); }); it('should return the unavailableValueT for a valid and partially filled orderHash', async () => { const unavailableValueT = await zeroEx.exchange.getUnavailableTakerAmountAsync(orderHash); expect(unavailableValueT).to.be.bignumber.equal(partialFillAmount); }); }); describe('#getFilledTakerAmountAsync', () => { it('should throw if passed an invalid orderHash', async () => { const invalidOrderHashHex = '0x123'; return expect(zeroEx.exchange.getFilledTakerAmountAsync(invalidOrderHashHex)).to.be.rejected(); }); it('should return zero if passed a valid but non-existent orderHash', async () => { const filledValueT = await zeroEx.exchange.getFilledTakerAmountAsync(NON_EXISTENT_ORDER_HASH, ); expect(filledValueT).to.be.bignumber.equal(0); }); it('should return the filledValueT for a valid and partially filled orderHash', async () => { const filledValueT = await zeroEx.exchange.getFilledTakerAmountAsync(orderHash); expect(filledValueT).to.be.bignumber.equal(partialFillAmount); }); }); describe('#getCanceledTakerAmountAsync', () => { it('should throw if passed an invalid orderHash', async () => { const invalidOrderHashHex = '0x123'; return expect(zeroEx.exchange.getCanceledTakerAmountAsync(invalidOrderHashHex)).to.be.rejected(); }); it('should return zero if passed a valid but non-existent orderHash', async () => { const cancelledValueT = await zeroEx.exchange.getCanceledTakerAmountAsync(NON_EXISTENT_ORDER_HASH); expect(cancelledValueT).to.be.bignumber.equal(0); }); it('should return the cancelledValueT for a valid and partially filled orderHash', async () => { const cancelledValueT = await zeroEx.exchange.getCanceledTakerAmountAsync(orderHash); expect(cancelledValueT).to.be.bignumber.equal(0); }); it('should return the cancelledValueT for a valid and cancelled orderHash', async () => { const cancelAmount = fillableAmount.minus(partialFillAmount); await zeroEx.exchange.cancelOrderAsync(signedOrder, cancelAmount); const cancelledValueT = await zeroEx.exchange.getCanceledTakerAmountAsync(orderHash); expect(cancelledValueT).to.be.bignumber.equal(cancelAmount); }); }); }); describe('#subscribeAsync', () => { const indexFilterValues = {}; const shouldThrowOnInsufficientBalanceOrAllowance = true; let makerTokenAddress: string; let takerTokenAddress: string; let coinbase: string; let takerAddress: string; let makerAddress: string; let fillableAmount: BigNumber.BigNumber; let signedOrder: SignedOrder; const subscriptionOpts: SubscriptionOpts = { fromBlock: 0, toBlock: 'latest', }; const fillTakerAmountInBaseUnits = new BigNumber(1); const cancelTakerAmountInBaseUnits = new BigNumber(1); before(() => { [coinbase, makerAddress, takerAddress] = userAddresses; const [makerToken, takerToken] = tokens; makerTokenAddress = makerToken.address; takerTokenAddress = takerToken.address; }); beforeEach(async () => { fillableAmount = new BigNumber(5); signedOrder = await fillScenarios.createFillableSignedOrderAsync( makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount, ); }); afterEach(async () => { await zeroEx.exchange.stopWatchingAllEventsAsync(); }); // Hack: Mocha does not allow a test to be both async and have a `done` callback // Since we need to await the receipt of the event in the `subscribeAsync` callback, // we do need both. A hack is to make the top-level a sync fn w/ a done callback and then // wrap the rest of the test in an async block // Source: https://github.com/mochajs/mocha/issues/2407 it('Should receive the LogFill event when an order is filled', (done: DoneCallback) => { (async () => { const zeroExEvent = await zeroEx.exchange.subscribeAsync( ExchangeEvents.LogFill, subscriptionOpts, indexFilterValues, exchangeContractAddress, ); zeroExEvent.watch((err: Error, event: ContractEvent) => { expect(err).to.be.null(); expect(event).to.not.be.undefined(); expect(event.event).to.be.equal('LogFill'); done(); }); await zeroEx.exchange.fillOrderAsync( signedOrder, fillTakerAmountInBaseUnits, shouldThrowOnInsufficientBalanceOrAllowance, takerAddress, ); })().catch(done); }); it('Should receive the LogCancel event when an order is cancelled', (done: DoneCallback) => { (async () => { const zeroExEvent = await zeroEx.exchange.subscribeAsync( ExchangeEvents.LogCancel, subscriptionOpts, indexFilterValues, exchangeContractAddress, ); zeroExEvent.watch((err: Error, event: ContractEvent) => { expect(err).to.be.null(); expect(event).to.not.be.undefined(); expect(event.event).to.be.equal('LogCancel'); done(); }); await zeroEx.exchange.cancelOrderAsync(signedOrder, cancelTakerAmountInBaseUnits); })().catch(done); }); it('Outstanding subscriptions are cancelled when zeroEx.setProviderAsync called', (done: DoneCallback) => { (async () => { const eventSubscriptionToBeCancelled = await zeroEx.exchange.subscribeAsync( ExchangeEvents.LogFill, subscriptionOpts, indexFilterValues, exchangeContractAddress, ); eventSubscriptionToBeCancelled.watch((err: Error, event: ContractEvent) => { done(new Error('Expected this subscription to have been cancelled')); }); const newProvider = web3Factory.getRpcProvider(); await zeroEx.setProviderAsync(newProvider); const eventSubscriptionToStay = await zeroEx.exchange.subscribeAsync( ExchangeEvents.LogFill, subscriptionOpts, indexFilterValues, exchangeContractAddress, ); eventSubscriptionToStay.watch((err: Error, event: ContractEvent) => { expect(err).to.be.null(); expect(event).to.not.be.undefined(); expect(event.event).to.be.equal('LogFill'); done(); }); await zeroEx.exchange.fillOrderAsync( signedOrder, fillTakerAmountInBaseUnits, shouldThrowOnInsufficientBalanceOrAllowance, takerAddress, ); })().catch(done); }); it('Should stop watch for events when stopWatchingAsync called on the eventEmitter', (done: DoneCallback) => { (async () => { const eventSubscriptionToBeStopped = await zeroEx.exchange.subscribeAsync( ExchangeEvents.LogFill, subscriptionOpts, indexFilterValues, exchangeContractAddress, ); eventSubscriptionToBeStopped.watch((err: Error, event: ContractEvent) => { done(new Error('Expected this subscription to have been stopped')); }); await eventSubscriptionToBeStopped.stopWatchingAsync(); await zeroEx.exchange.fillOrderAsync( signedOrder, fillTakerAmountInBaseUnits, shouldThrowOnInsufficientBalanceOrAllowance, takerAddress, ); done(); })().catch(done); }); it('Should wrap all event args BigNumber instances in a newer version of BigNumber', (done: DoneCallback) => { (async () => { const zeroExEvent = await zeroEx.exchange.subscribeAsync( ExchangeEvents.LogFill, subscriptionOpts, indexFilterValues, exchangeContractAddress, ); zeroExEvent.watch((err: Error, event: ContractEvent) => { const args = event.args as LogFillContractEventArgs; expect(args.filledMakerTokenAmount.isBigNumber).to.be.true(); expect(args.filledTakerTokenAmount.isBigNumber).to.be.true(); expect(args.paidMakerFee.isBigNumber).to.be.true(); expect(args.paidTakerFee.isBigNumber).to.be.true(); done(); }); await zeroEx.exchange.fillOrderAsync( signedOrder, fillTakerAmountInBaseUnits, shouldThrowOnInsufficientBalanceOrAllowance, takerAddress, ); })().catch(done); }); }); describe('#getOrderHashHexUsingContractCallAsync', () => { let makerTokenAddress: string; let takerTokenAddress: string; let makerAddress: string; let takerAddress: string; const fillableAmount = new BigNumber(5); before(async () => { [, makerAddress, takerAddress] = userAddresses; const [makerToken, takerToken] = tokenUtils.getNonProtocolTokens(); makerTokenAddress = makerToken.address; takerTokenAddress = takerToken.address; }); it('get\'s the same hash as the local function', async () => { const signedOrder = await fillScenarios.createFillableSignedOrderAsync( makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount, ); const orderHash = ZeroEx.getOrderHashHex(signedOrder); const orderHashFromContract = await (zeroEx.exchange as any) ._getOrderHashHexUsingContractCallAsync(signedOrder); expect(orderHash).to.equal(orderHashFromContract); }); }); });