import { BlockchainLifecycle } from '@0xproject/dev-utils';
import { assetDataUtils, orderHashUtils } from '@0xproject/order-utils';
import { RevertReason, SignatureType, SignedOrder } from '@0xproject/types';
import { BigNumber } from '@0xproject/utils';
import { Web3Wrapper } from '@0xproject/web3-wrapper';
import * as chai from 'chai';
import { LogWithDecodedArgs } from 'ethereum-types';
import ethUtil = require('ethereumjs-util');
import * as _ from 'lodash';
import { DummyERC20TokenContract } from '../../generated_contract_wrappers/dummy_erc20_token';
import { DummyERC721TokenContract } from '../../generated_contract_wrappers/dummy_erc721_token';
import { DummyNoReturnERC20TokenContract } from '../../generated_contract_wrappers/dummy_no_return_erc20_token';
import { ERC20ProxyContract } from '../../generated_contract_wrappers/erc20_proxy';
import { ERC721ProxyContract } from '../../generated_contract_wrappers/erc721_proxy';
import { ExchangeCancelEventArgs, ExchangeContract } from '../../generated_contract_wrappers/exchange';
import { ReentrantERC20TokenContract } from '../../generated_contract_wrappers/reentrant_erc20_token';
import { TestStaticCallReceiverContract } from '../../generated_contract_wrappers/test_static_call_receiver';
import { artifacts } from '../utils/artifacts';
import { expectTransactionFailedAsync } from '../utils/assertions';
import { getLatestBlockTimestampAsync, increaseTimeAndMineBlockAsync } from '../utils/block_timestamp';
import { chaiSetup } from '../utils/chai_setup';
import { constants } from '../utils/constants';
import { ERC20Wrapper } from '../utils/erc20_wrapper';
import { ERC721Wrapper } from '../utils/erc721_wrapper';
import { ExchangeWrapper } from '../utils/exchange_wrapper';
import { OrderFactory } from '../utils/order_factory';
import { ERC20BalancesByOwner, OrderStatus } from '../utils/types';
import { provider, txDefaults, web3Wrapper } from '../utils/web3_wrapper';
chaiSetup.configure();
const expect = chai.expect;
const blockchainLifecycle = new BlockchainLifecycle(web3Wrapper);
// tslint:disable:no-unnecessary-type-assertion
describe('Exchange core', () => {
let makerAddress: string;
let owner: string;
let takerAddress: string;
let feeRecipientAddress: string;
let erc20TokenA: DummyERC20TokenContract;
let erc20TokenB: DummyERC20TokenContract;
let zrxToken: DummyERC20TokenContract;
let erc721Token: DummyERC721TokenContract;
let noReturnErc20Token: DummyNoReturnERC20TokenContract;
let reentrantErc20Token: ReentrantERC20TokenContract;
let exchange: ExchangeContract;
let erc20Proxy: ERC20ProxyContract;
let erc721Proxy: ERC721ProxyContract;
let maliciousWallet: TestStaticCallReceiverContract;
let maliciousValidator: TestStaticCallReceiverContract;
let signedOrder: SignedOrder;
let erc20Balances: ERC20BalancesByOwner;
let exchangeWrapper: ExchangeWrapper;
let erc20Wrapper: ERC20Wrapper;
let erc721Wrapper: ERC721Wrapper;
let orderFactory: OrderFactory;
let erc721MakerAssetIds: BigNumber[];
let erc721TakerAssetIds: BigNumber[];
let defaultMakerAssetAddress: string;
let defaultTakerAssetAddress: string;
before(async () => {
await blockchainLifecycle.startAsync();
});
after(async () => {
await blockchainLifecycle.revertAsync();
});
before(async () => {
const accounts = await web3Wrapper.getAvailableAddressesAsync();
const usedAddresses = ([owner, makerAddress, takerAddress, feeRecipientAddress] = _.slice(accounts, 0, 4));
erc20Wrapper = new ERC20Wrapper(provider, usedAddresses, owner);
erc721Wrapper = new ERC721Wrapper(provider, usedAddresses, owner);
const numDummyErc20ToDeploy = 3;
[erc20TokenA, erc20TokenB, zrxToken] = await erc20Wrapper.deployDummyTokensAsync(
numDummyErc20ToDeploy,
constants.DUMMY_TOKEN_DECIMALS,
);
erc20Proxy = await erc20Wrapper.deployProxyAsync();
await erc20Wrapper.setBalancesAndAllowancesAsync();
[erc721Token] = await erc721Wrapper.deployDummyTokensAsync();
erc721Proxy = await erc721Wrapper.deployProxyAsync();
await erc721Wrapper.setBalancesAndAllowancesAsync();
const erc721Balances = await erc721Wrapper.getBalancesAsync();
erc721MakerAssetIds = erc721Balances[makerAddress][erc721Token.address];
erc721TakerAssetIds = erc721Balances[takerAddress][erc721Token.address];
exchange = await ExchangeContract.deployFrom0xArtifactAsync(
artifacts.Exchange,
provider,
txDefaults,
assetDataUtils.encodeERC20AssetData(zrxToken.address),
);
exchangeWrapper = new ExchangeWrapper(exchange, provider);
await exchangeWrapper.registerAssetProxyAsync(erc20Proxy.address, owner);
await exchangeWrapper.registerAssetProxyAsync(erc721Proxy.address, owner);
await web3Wrapper.awaitTransactionSuccessAsync(
await erc20Proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address, {
from: owner,
}),
constants.AWAIT_TRANSACTION_MINED_MS,
);
await web3Wrapper.awaitTransactionSuccessAsync(
await erc721Proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address, {
from: owner,
}),
constants.AWAIT_TRANSACTION_MINED_MS,
);
maliciousWallet = maliciousValidator = await TestStaticCallReceiverContract.deployFrom0xArtifactAsync(
artifacts.TestStaticCallReceiver,
provider,
txDefaults,
);
reentrantErc20Token = await ReentrantERC20TokenContract.deployFrom0xArtifactAsync(
artifacts.ReentrantERC20Token,
provider,
txDefaults,
exchange.address,
);
defaultMakerAssetAddress = erc20TokenA.address;
defaultTakerAssetAddress = erc20TokenB.address;
const defaultOrderParams = {
...constants.STATIC_ORDER_PARAMS,
exchangeAddress: exchange.address,
makerAddress,
feeRecipientAddress,
makerAssetData: assetDataUtils.encodeERC20AssetData(defaultMakerAssetAddress),
takerAssetData: assetDataUtils.encodeERC20AssetData(defaultTakerAssetAddress),
};
const privateKey = constants.TESTRPC_PRIVATE_KEYS[accounts.indexOf(makerAddress)];
orderFactory = new OrderFactory(privateKey, defaultOrderParams);
});
beforeEach(async () => {
await blockchainLifecycle.startAsync();
});
afterEach(async () => {
await blockchainLifecycle.revertAsync();
});
describe('fillOrder', () => {
beforeEach(async () => {
erc20Balances = await erc20Wrapper.getBalancesAsync();
signedOrder = await orderFactory.newSignedOrderAsync();
});
const reentrancyTest = (functionNames: string[]) => {
_.forEach(functionNames, async (functionName: string, functionId: number) => {
const description = `should not allow fillOrder to reenter the Exchange contract via ${functionName}`;
it(description, async () => {
signedOrder = await orderFactory.newSignedOrderAsync({
makerAssetData: assetDataUtils.encodeERC20AssetData(reentrantErc20Token.address),
});
await web3Wrapper.awaitTransactionSuccessAsync(
await reentrantErc20Token.setCurrentFunction.sendTransactionAsync(functionId),
constants.AWAIT_TRANSACTION_MINED_MS,
);
await expectTransactionFailedAsync(
exchangeWrapper.fillOrderAsync(signedOrder, takerAddress),
RevertReason.TransferFailed,
);
});
});
};
describe('fillOrder reentrancy tests', () => reentrancyTest(constants.FUNCTIONS_WITH_MUTEX));
it('should throw if signature is invalid', async () => {
signedOrder = await orderFactory.newSignedOrderAsync({
makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
});
const v = ethUtil.toBuffer(signedOrder.signature.slice(0, 4));
const invalidR = ethUtil.sha3('invalidR');
const invalidS = ethUtil.sha3('invalidS');
const signatureType = ethUtil.toBuffer(`0x${signedOrder.signature.slice(-2)}`);
const invalidSigBuff = Buffer.concat([v, invalidR, invalidS, signatureType]);
const invalidSigHex = `0x${invalidSigBuff.toString('hex')}`;
signedOrder.signature = invalidSigHex;
return expectTransactionFailedAsync(
exchangeWrapper.fillOrderAsync(signedOrder, takerAddress),
RevertReason.InvalidOrderSignature,
);
});
it('should throw if no value is filled', async () => {
signedOrder = await orderFactory.newSignedOrderAsync();
await exchangeWrapper.fillOrderAsync(signedOrder, takerAddress);
return expectTransactionFailedAsync(
exchangeWrapper.fillOrderAsync(signedOrder, takerAddress),
RevertReason.OrderUnfillable,
);
});
it('should revert if `isValidSignature` tries to update state when SignatureType=Wallet', async () => {
const maliciousMakerAddress = maliciousWallet.address;
await web3Wrapper.awaitTransactionSuccessAsync(
await erc20TokenA.setBalance.sendTransactionAsync(
maliciousMakerAddress,
constants.INITIAL_ERC20_BALANCE,
),
constants.AWAIT_TRANSACTION_MINED_MS,
);
await web3Wrapper.awaitTransactionSuccessAsync(
await maliciousWallet.approveERC20.sendTransactionAsync(
erc20TokenA.address,
erc20Proxy.address,
constants.INITIAL_ERC20_ALLOWANCE,
),
constants.AWAIT_TRANSACTION_MINED_MS,
);
signedOrder = await orderFactory.newSignedOrderAsync({
makerAddress: maliciousMakerAddress,
makerFee: constants.ZERO_AMOUNT,
});
signedOrder.signature = `0x0${SignatureType.Wallet}`;
await expectTransactionFailedAsync(
exchangeWrapper.fillOrderAsync(signedOrder, takerAddress),
RevertReason.WalletError,
);
});
it('should revert if `isValidSignature` tries to update state when SignatureType=Validator', async () => {
const isApproved = true;
await web3Wrapper.awaitTransactionSuccessAsync(
await exchange.setSignatureValidatorApproval.sendTransactionAsync(
maliciousValidator.address,
isApproved,
{ from: makerAddress },
),
constants.AWAIT_TRANSACTION_MINED_MS,
);
signedOrder.signature = `${maliciousValidator.address}0${SignatureType.Validator}`;
await expectTransactionFailedAsync(
exchangeWrapper.fillOrderAsync(signedOrder, takerAddress),
RevertReason.ValidatorError,
);
});
});
describe('Testing exchange of ERC20 tokens with no return values', () => {
before(async () => {
noReturnErc20Token = await DummyNoReturnERC20TokenContract.deployFrom0xArtifactAsync(
artifacts.DummyNoReturnERC20Token,
provider,
txDefaults,
constants.DUMMY_TOKEN_NAME,
constants.DUMMY_TOKEN_SYMBOL,
constants.DUMMY_TOKEN_DECIMALS,
constants.DUMMY_TOKEN_TOTAL_SUPPLY,
);
await web3Wrapper.awaitTransactionSuccessAsync(
await noReturnErc20Token.setBalance.sendTransactionAsync(makerAddress, constants.INITIAL_ERC20_BALANCE),
constants.AWAIT_TRANSACTION_MINED_MS,
);
await web3Wrapper.awaitTransactionSuccessAsync(
await noReturnErc20Token.approve.sendTransactionAsync(
erc20Proxy.address,
constants.INITIAL_ERC20_ALLOWANCE,
{ from: makerAddress },
),
constants.AWAIT_TRANSACTION_MINED_MS,
);
});
it('should transfer the correct amounts when makerAssetAmount === takerAssetAmount', async () => {
signedOrder = await orderFactory.newSignedOrderAsync({
makerAssetData: assetDataUtils.encodeERC20AssetData(noReturnErc20Token.address),
makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 18),
takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 18),
});
const initialMakerBalanceA = await noReturnErc20Token.balanceOf.callAsync(makerAddress);
const initialMakerBalanceB = await erc20TokenB.balanceOf.callAsync(makerAddress);
const initialMakerZrxBalance = await zrxToken.balanceOf.callAsync(makerAddress);
const initialTakerBalanceA = await noReturnErc20Token.balanceOf.callAsync(takerAddress);
const initialTakerBalanceB = await erc20TokenB.balanceOf.callAsync(takerAddress);
const initialTakerZrxBalance = await zrxToken.balanceOf.callAsync(takerAddress);
const initialFeeRecipientZrxBalance = await zrxToken.balanceOf.callAsync(feeRecipientAddress);
await exchangeWrapper.fillOrderAsync(signedOrder, takerAddress);
const finalMakerBalanceA = await noReturnErc20Token.balanceOf.callAsync(makerAddress);
const finalMakerBalanceB = await erc20TokenB.balanceOf.callAsync(makerAddress);
const finalMakerZrxBalance = await zrxToken.balanceOf.callAsync(makerAddress);
const finalTakerBalanceA = await noReturnErc20Token.balanceOf.callAsync(takerAddress);
const finalTakerBalanceB = await erc20TokenB.balanceOf.callAsync(takerAddress);
const finalTakerZrxBalance = await zrxToken.balanceOf.callAsync(takerAddress);
const finalFeeRecipientZrxBalance = await zrxToken.balanceOf.callAsync(feeRecipientAddress);
expect(finalMakerBalanceA).to.be.bignumber.equal(initialMakerBalanceA.minus(signedOrder.makerAssetAmount));
expect(finalMakerBalanceB).to.be.bignumber.equal(initialMakerBalanceB.plus(signedOrder.takerAssetAmount));
expect(finalTakerBalanceA).to.be.bignumber.equal(initialTakerBalanceA.plus(signedOrder.makerAssetAmount));
expect(finalTakerBalanceB).to.be.bignumber.equal(initialTakerBalanceB.minus(signedOrder.takerAssetAmount));
expect(finalMakerZrxBalance).to.be.bignumber.equal(initialMakerZrxBalance.minus(signedOrder.makerFee));
expect(finalTakerZrxBalance).to.be.bignumber.equal(initialTakerZrxBalance.minus(signedOrder.takerFee));
expect(finalFeeRecipientZrxBalance).to.be.bignumber.equal(
initialFeeRecipientZrxBalance.plus(signedOrder.makerFee.plus(signedOrder.takerFee)),
);
});
it('should transfer the correct amounts when makerAssetAmount > takerAssetAmount', async () => {
signedOrder = await orderFactory.newSignedOrderAsync({
makerAssetData: assetDataUtils.encodeERC20AssetData(noReturnErc20Token.address),
makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(200), 18),
takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 18),
});
const initialMakerBalanceA = await noReturnErc20Token.balanceOf.callAsync(makerAddress);
const initialMakerBalanceB = await erc20TokenB.balanceOf.callAsync(makerAddress);
const initialMakerZrxBalance = await zrxToken.balanceOf.callAsync(makerAddress);
const initialTakerBalanceA = await noReturnErc20Token.balanceOf.callAsync(takerAddress);
const initialTakerBalanceB = await erc20TokenB.balanceOf.callAsync(takerAddress);
const initialTakerZrxBalance = await zrxToken.balanceOf.callAsync(takerAddress);
const initialFeeRecipientZrxBalance = await zrxToken.balanceOf.callAsync(feeRecipientAddress);
await exchangeWrapper.fillOrderAsync(signedOrder, takerAddress);
const finalMakerBalanceA = await noReturnErc20Token.balanceOf.callAsync(makerAddress);
const finalMakerBalanceB = await erc20TokenB.balanceOf.callAsync(makerAddress);
const finalMakerZrxBalance = await zrxToken.balanceOf.callAsync(makerAddress);
const finalTakerBalanceA = await noReturnErc20Token.balanceOf.callAsync(takerAddress);
const finalTakerBalanceB = await erc20TokenB.balanceOf.callAsync(takerAddress);
const finalTakerZrxBalance = await zrxToken.balanceOf.callAsync(takerAddress);
const finalFeeRecipientZrxBalance = await zrxToken.balanceOf.callAsync(feeRecipientAddress);
expect(finalMakerBalanceA).to.be.bignumber.equal(initialMakerBalanceA.minus(signedOrder.makerAssetAmount));
expect(finalMakerBalanceB).to.be.bignumber.equal(initialMakerBalanceB.plus(signedOrder.takerAssetAmount));
expect(finalTakerBalanceA).to.be.bignumber.equal(initialTakerBalanceA.plus(signedOrder.makerAssetAmount));
expect(finalTakerBalanceB).to.be.bignumber.equal(initialTakerBalanceB.minus(signedOrder.takerAssetAmount));
expect(finalMakerZrxBalance).to.be.bignumber.equal(initialMakerZrxBalance.minus(signedOrder.makerFee));
expect(finalTakerZrxBalance).to.be.bignumber.equal(initialTakerZrxBalance.minus(signedOrder.takerFee));
expect(finalFeeRecipientZrxBalance).to.be.bignumber.equal(
initialFeeRecipientZrxBalance.plus(signedOrder.makerFee.plus(signedOrder.takerFee)),
);
});
it('should transfer the correct amounts when makerAssetAmount < takerAssetAmount', async () => {
signedOrder = await orderFactory.newSignedOrderAsync({
makerAssetData: assetDataUtils.encodeERC20AssetData(noReturnErc20Token.address),
makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 18),
takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(200), 18),
});
const initialMakerBalanceA = await noReturnErc20Token.balanceOf.callAsync(makerAddress);
const initialMakerBalanceB = await erc20TokenB.balanceOf.callAsync(makerAddress);
const initialMakerZrxBalance = await zrxToken.balanceOf.callAsync(makerAddress);
const initialTakerBalanceA = await noReturnErc20Token.balanceOf.callAsync(takerAddress);
const initialTakerBalanceB = await erc20TokenB.balanceOf.callAsync(takerAddress);
const initialTakerZrxBalance = await zrxToken.balanceOf.callAsync(takerAddress);
const initialFeeRecipientZrxBalance = await zrxToken.balanceOf.callAsync(feeRecipientAddress);
await exchangeWrapper.fillOrderAsync(signedOrder, takerAddress);
const finalMakerBalanceA = await noReturnErc20Token.balanceOf.callAsync(makerAddress);
const finalMakerBalanceB = await erc20TokenB.balanceOf.callAsync(makerAddress);
const finalMakerZrxBalance = await zrxToken.balanceOf.callAsync(makerAddress);
const finalTakerBalanceA = await noReturnErc20Token.balanceOf.callAsync(takerAddress);
const finalTakerBalanceB = await erc20TokenB.balanceOf.callAsync(takerAddress);
const finalTakerZrxBalance = await zrxToken.balanceOf.callAsync(takerAddress);
const finalFeeRecipientZrxBalance = await zrxToken.balanceOf.callAsync(feeRecipientAddress);
expect(finalMakerBalanceA).to.be.bignumber.equal(initialMakerBalanceA.minus(signedOrder.makerAssetAmount));
expect(finalMakerBalanceB).to.be.bignumber.equal(initialMakerBalanceB.plus(signedOrder.takerAssetAmount));
expect(finalTakerBalanceA).to.be.bignumber.equal(initialTakerBalanceA.plus(signedOrder.makerAssetAmount));
expect(finalTakerBalanceB).to.be.bignumber.equal(initialTakerBalanceB.minus(signedOrder.takerAssetAmount));
expect(finalMakerZrxBalance).to.be.bignumber.equal(initialMakerZrxBalance.minus(signedOrder.makerFee));
expect(finalTakerZrxBalance).to.be.bignumber.equal(initialTakerZrxBalance.minus(signedOrder.takerFee));
expect(finalFeeRecipientZrxBalance).to.be.bignumber.equal(
initialFeeRecipientZrxBalance.plus(signedOrder.makerFee.plus(signedOrder.takerFee)),
);
});
});
describe('cancelOrder', () => {
beforeEach(async () => {
erc20Balances = await erc20Wrapper.getBalancesAsync();
signedOrder = await orderFactory.newSignedOrderAsync();
});
it('should throw if not sent by maker', async () => {
return expectTransactionFailedAsync(
exchangeWrapper.cancelOrderAsync(signedOrder, takerAddress),
RevertReason.InvalidMaker,
);
});
it('should throw if makerAssetAmount is 0', async () => {
signedOrder = await orderFactory.newSignedOrderAsync({
makerAssetAmount: new BigNumber(0),
});
return expectTransactionFailedAsync(
exchangeWrapper.cancelOrderAsync(signedOrder, makerAddress),
RevertReason.OrderUnfillable,
);
});
it('should throw if takerAssetAmount is 0', async () => {
signedOrder = await orderFactory.newSignedOrderAsync({
takerAssetAmount: new BigNumber(0),
});
return expectTransactionFailedAsync(
exchangeWrapper.cancelOrderAsync(signedOrder, makerAddress),
RevertReason.OrderUnfillable,
);
});
it('should be able to cancel a full order', async () => {
await exchangeWrapper.cancelOrderAsync(signedOrder, makerAddress);
return expectTransactionFailedAsync(
exchangeWrapper.fillOrderAsync(signedOrder, takerAddress, {
takerAssetFillAmount: signedOrder.takerAssetAmount.div(2),
}),
RevertReason.OrderUnfillable,
);
});
it('should log 1 event with correct arguments', async () => {
const res = await exchangeWrapper.cancelOrderAsync(signedOrder, makerAddress);
expect(res.logs).to.have.length(1);
const log = res.logs[0] as LogWithDecodedArgs<ExchangeCancelEventArgs>;
const logArgs = log.args;
expect(signedOrder.makerAddress).to.be.equal(logArgs.makerAddress);
expect(signedOrder.makerAddress).to.be.equal(logArgs.senderAddress);
expect(signedOrder.feeRecipientAddress).to.be.equal(logArgs.feeRecipientAddress);
expect(signedOrder.makerAssetData).to.be.equal(logArgs.makerAssetData);
expect(signedOrder.takerAssetData).to.be.equal(logArgs.takerAssetData);
expect(orderHashUtils.getOrderHashHex(signedOrder)).to.be.equal(logArgs.orderHash);
});
it('should throw if already cancelled', async () => {
await exchangeWrapper.cancelOrderAsync(signedOrder, makerAddress);
return expectTransactionFailedAsync(
exchangeWrapper.cancelOrderAsync(signedOrder, makerAddress),
RevertReason.OrderUnfillable,
);
});
it('should throw if order is expired', async () => {
const currentTimestamp = await getLatestBlockTimestampAsync();
signedOrder = await orderFactory.newSignedOrderAsync({
expirationTimeSeconds: new BigNumber(currentTimestamp).sub(10),
});
return expectTransactionFailedAsync(
exchangeWrapper.cancelOrderAsync(signedOrder, makerAddress),
RevertReason.OrderUnfillable,
);
});
it('should throw if rounding error is greater than 0.1%', async () => {
signedOrder = await orderFactory.newSignedOrderAsync({
makerAssetAmount: new BigNumber(1001),
takerAssetAmount: new BigNumber(3),
});
const fillTakerAssetAmount1 = new BigNumber(2);
await exchangeWrapper.fillOrderAsync(signedOrder, takerAddress, {
takerAssetFillAmount: fillTakerAssetAmount1,
});
const fillTakerAssetAmount2 = new BigNumber(1);
return expectTransactionFailedAsync(
exchangeWrapper.fillOrderAsync(signedOrder, takerAddress, {
takerAssetFillAmount: fillTakerAssetAmount2,
}),
RevertReason.RoundingError,
);
});
});
describe('cancelOrdersUpTo', () => {
it('should fail to set orderEpoch less than current orderEpoch', async () => {
const orderEpoch = new BigNumber(1);
await exchangeWrapper.cancelOrdersUpToAsync(orderEpoch, makerAddress);
const lesserOrderEpoch = new BigNumber(0);
return expectTransactionFailedAsync(
exchangeWrapper.cancelOrdersUpToAsync(lesserOrderEpoch, makerAddress),
RevertReason.InvalidNewOrderEpoch,
);
});
it('should fail to set orderEpoch equal to existing orderEpoch', async () => {
const orderEpoch = new BigNumber(1);
await exchangeWrapper.cancelOrdersUpToAsync(orderEpoch, makerAddress);
return expectTransactionFailedAsync(
exchangeWrapper.cancelOrdersUpToAsync(orderEpoch, makerAddress),
RevertReason.InvalidNewOrderEpoch,
);
});
it('should cancel only orders with a orderEpoch less than existing orderEpoch', async () => {
// Cancel all transactions with a orderEpoch less than 1
const orderEpoch = new BigNumber(1);
await exchangeWrapper.cancelOrdersUpToAsync(orderEpoch, makerAddress);
// Create 3 orders with orderEpoch values: 0,1,2,3
// Since we cancelled with orderEpoch=1, orders with orderEpoch<=1 will not be processed
erc20Balances = await erc20Wrapper.getBalancesAsync();
const signedOrders = [
await orderFactory.newSignedOrderAsync({
makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(9), 18),
takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(9), 18),
salt: new BigNumber(0),
}),
await orderFactory.newSignedOrderAsync({
makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(79), 18),
takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(79), 18),
salt: new BigNumber(1),
}),
await orderFactory.newSignedOrderAsync({
makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(979), 18),
takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(979), 18),
salt: new BigNumber(2),
}),
await orderFactory.newSignedOrderAsync({
makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(7979), 18),
takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(7979), 18),
salt: new BigNumber(3),
}),
];
await exchangeWrapper.batchFillOrdersNoThrowAsync(signedOrders, takerAddress, {
// HACK(albrow): We need to hardcode the gas estimate here because
// the Geth gas estimator doesn't work with the way we use
// delegatecall and swallow errors.
gas: 600000,
});
const newBalances = await erc20Wrapper.getBalancesAsync();
const fillMakerAssetAmount = signedOrders[2].makerAssetAmount.add(signedOrders[3].makerAssetAmount);
const fillTakerAssetAmount = signedOrders[2].takerAssetAmount.add(signedOrders[3].takerAssetAmount);
const makerFee = signedOrders[2].makerFee.add(signedOrders[3].makerFee);
const takerFee = signedOrders[2].takerFee.add(signedOrders[3].takerFee);
expect(newBalances[makerAddress][defaultMakerAssetAddress]).to.be.bignumber.equal(
erc20Balances[makerAddress][defaultMakerAssetAddress].minus(fillMakerAssetAmount),
);
expect(newBalances[makerAddress][defaultTakerAssetAddress]).to.be.bignumber.equal(
erc20Balances[makerAddress][defaultTakerAssetAddress].add(fillTakerAssetAmount),
);
expect(newBalances[makerAddress][zrxToken.address]).to.be.bignumber.equal(
erc20Balances[makerAddress][zrxToken.address].minus(makerFee),
);
expect(newBalances[takerAddress][defaultTakerAssetAddress]).to.be.bignumber.equal(
erc20Balances[takerAddress][defaultTakerAssetAddress].minus(fillTakerAssetAmount),
);
expect(newBalances[takerAddress][defaultMakerAssetAddress]).to.be.bignumber.equal(
erc20Balances[takerAddress][defaultMakerAssetAddress].add(fillMakerAssetAmount),
);
expect(newBalances[takerAddress][zrxToken.address]).to.be.bignumber.equal(
erc20Balances[takerAddress][zrxToken.address].minus(takerFee),
);
expect(newBalances[feeRecipientAddress][zrxToken.address]).to.be.bignumber.equal(
erc20Balances[feeRecipientAddress][zrxToken.address].add(makerFee.add(takerFee)),
);
});
});
describe('Testing Exchange of ERC721 Tokens', () => {
it('should throw when maker does not own the token with id makerAssetId', async () => {
// Construct Exchange parameters
const makerAssetId = erc721TakerAssetIds[0];
const takerAssetId = erc721TakerAssetIds[1];
signedOrder = await orderFactory.newSignedOrderAsync({
makerAssetAmount: new BigNumber(1),
takerAssetAmount: new BigNumber(1),
makerAssetData: assetDataUtils.encodeERC721AssetData(erc721Token.address, makerAssetId),
takerAssetData: assetDataUtils.encodeERC721AssetData(erc721Token.address, takerAssetId),
});
// Verify pre-conditions
const initialOwnerMakerAsset = await erc721Token.ownerOf.callAsync(makerAssetId);
expect(initialOwnerMakerAsset).to.be.bignumber.not.equal(makerAddress);
const initialOwnerTakerAsset = await erc721Token.ownerOf.callAsync(takerAssetId);
expect(initialOwnerTakerAsset).to.be.bignumber.equal(takerAddress);
// Call Exchange
const takerAssetFillAmount = signedOrder.takerAssetAmount;
return expectTransactionFailedAsync(
exchangeWrapper.fillOrderAsync(signedOrder, takerAddress, { takerAssetFillAmount }),
RevertReason.TransferFailed,
);
});
it('should throw when taker does not own the token with id takerAssetId', async () => {
// Construct Exchange parameters
const makerAssetId = erc721MakerAssetIds[0];
const takerAssetId = erc721MakerAssetIds[1];
signedOrder = await orderFactory.newSignedOrderAsync({
makerAssetAmount: new BigNumber(1),
takerAssetAmount: new BigNumber(1),
makerAssetData: assetDataUtils.encodeERC721AssetData(erc721Token.address, makerAssetId),
takerAssetData: assetDataUtils.encodeERC721AssetData(erc721Token.address, takerAssetId),
});
// Verify pre-conditions
const initialOwnerMakerAsset = await erc721Token.ownerOf.callAsync(makerAssetId);
expect(initialOwnerMakerAsset).to.be.bignumber.equal(makerAddress);
const initialOwnerTakerAsset = await erc721Token.ownerOf.callAsync(takerAssetId);
expect(initialOwnerTakerAsset).to.be.bignumber.not.equal(takerAddress);
// Call Exchange
const takerAssetFillAmount = signedOrder.takerAssetAmount;
return expectTransactionFailedAsync(
exchangeWrapper.fillOrderAsync(signedOrder, takerAddress, { takerAssetFillAmount }),
RevertReason.TransferFailed,
);
});
it('should throw when makerAssetAmount is greater than 1', async () => {
// Construct Exchange parameters
const makerAssetId = erc721MakerAssetIds[0];
const takerAssetId = erc721TakerAssetIds[0];
signedOrder = await orderFactory.newSignedOrderAsync({
makerAssetAmount: new BigNumber(2),
takerAssetAmount: new BigNumber(1),
makerAssetData: assetDataUtils.encodeERC721AssetData(erc721Token.address, makerAssetId),
takerAssetData: assetDataUtils.encodeERC721AssetData(erc721Token.address, takerAssetId),
});
// Verify pre-conditions
const initialOwnerMakerAsset = await erc721Token.ownerOf.callAsync(makerAssetId);
expect(initialOwnerMakerAsset).to.be.bignumber.equal(makerAddress);
const initialOwnerTakerAsset = await erc721Token.ownerOf.callAsync(takerAssetId);
expect(initialOwnerTakerAsset).to.be.bignumber.equal(takerAddress);
// Call Exchange
const takerAssetFillAmount = signedOrder.takerAssetAmount;
return expectTransactionFailedAsync(
exchangeWrapper.fillOrderAsync(signedOrder, takerAddress, { takerAssetFillAmount }),
RevertReason.InvalidAmount,
);
});
it('should throw when takerAssetAmount is greater than 1', async () => {
// Construct Exchange parameters
const makerAssetId = erc721MakerAssetIds[0];
const takerAssetId = erc721TakerAssetIds[0];
signedOrder = await orderFactory.newSignedOrderAsync({
makerAssetAmount: new BigNumber(1),
takerAssetAmount: new BigNumber(500),
makerAssetData: assetDataUtils.encodeERC721AssetData(erc721Token.address, makerAssetId),
takerAssetData: assetDataUtils.encodeERC721AssetData(erc721Token.address, takerAssetId),
});
// Verify pre-conditions
const initialOwnerMakerAsset = await erc721Token.ownerOf.callAsync(makerAssetId);
expect(initialOwnerMakerAsset).to.be.bignumber.equal(makerAddress);
const initialOwnerTakerAsset = await erc721Token.ownerOf.callAsync(takerAssetId);
expect(initialOwnerTakerAsset).to.be.bignumber.equal(takerAddress);
// Call Exchange
const takerAssetFillAmount = signedOrder.takerAssetAmount;
return expectTransactionFailedAsync(
exchangeWrapper.fillOrderAsync(signedOrder, takerAddress, { takerAssetFillAmount }),
RevertReason.InvalidAmount,
);
});
it('should throw on partial fill', async () => {
// Construct Exchange parameters
const makerAssetId = erc721MakerAssetIds[0];
signedOrder = await orderFactory.newSignedOrderAsync({
makerAssetAmount: new BigNumber(1),
takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 18),
makerAssetData: assetDataUtils.encodeERC721AssetData(erc721Token.address, makerAssetId),
takerAssetData: assetDataUtils.encodeERC20AssetData(defaultTakerAssetAddress),
});
// Call Exchange
const takerAssetFillAmount = signedOrder.takerAssetAmount.div(2);
return expectTransactionFailedAsync(
exchangeWrapper.fillOrderAsync(signedOrder, takerAddress, { takerAssetFillAmount }),
RevertReason.RoundingError,
);
});
});
describe('getOrderInfo', () => {
beforeEach(async () => {
signedOrder = await orderFactory.newSignedOrderAsync();
});
it('should return the correct orderInfo for an unfilled valid order', async () => {
const orderInfo = await exchangeWrapper.getOrderInfoAsync(signedOrder);
const expectedOrderHash = orderHashUtils.getOrderHashHex(signedOrder);
const expectedTakerAssetFilledAmount = new BigNumber(0);
const expectedOrderStatus = OrderStatus.FILLABLE;
expect(orderInfo.orderHash).to.be.equal(expectedOrderHash);
expect(orderInfo.orderTakerAssetFilledAmount).to.be.bignumber.equal(expectedTakerAssetFilledAmount);
expect(orderInfo.orderStatus).to.equal(expectedOrderStatus);
});
it('should return the correct orderInfo for a fully filled order', async () => {
await exchangeWrapper.fillOrderAsync(signedOrder, takerAddress);
const orderInfo = await exchangeWrapper.getOrderInfoAsync(signedOrder);
const expectedOrderHash = orderHashUtils.getOrderHashHex(signedOrder);
const expectedTakerAssetFilledAmount = signedOrder.takerAssetAmount;
const expectedOrderStatus = OrderStatus.FULLY_FILLED;
expect(orderInfo.orderHash).to.be.equal(expectedOrderHash);
expect(orderInfo.orderTakerAssetFilledAmount).to.be.bignumber.equal(expectedTakerAssetFilledAmount);
expect(orderInfo.orderStatus).to.equal(expectedOrderStatus);
});
it('should return the correct orderInfo for a partially filled order', async () => {
const takerAssetFillAmount = signedOrder.takerAssetAmount.div(2);
await exchangeWrapper.fillOrderAsync(signedOrder, takerAddress, { takerAssetFillAmount });
const orderInfo = await exchangeWrapper.getOrderInfoAsync(signedOrder);
const expectedOrderHash = orderHashUtils.getOrderHashHex(signedOrder);
const expectedTakerAssetFilledAmount = takerAssetFillAmount;
const expectedOrderStatus = OrderStatus.FILLABLE;
expect(orderInfo.orderHash).to.be.equal(expectedOrderHash);
expect(orderInfo.orderTakerAssetFilledAmount).to.be.bignumber.equal(expectedTakerAssetFilledAmount);
expect(orderInfo.orderStatus).to.equal(expectedOrderStatus);
});
it('should return the correct orderInfo for a cancelled and unfilled order', async () => {
await exchangeWrapper.cancelOrderAsync(signedOrder, makerAddress);
const orderInfo = await exchangeWrapper.getOrderInfoAsync(signedOrder);
const expectedOrderHash = orderHashUtils.getOrderHashHex(signedOrder);
const expectedTakerAssetFilledAmount = new BigNumber(0);
const expectedOrderStatus = OrderStatus.CANCELLED;
expect(orderInfo.orderHash).to.be.equal(expectedOrderHash);
expect(orderInfo.orderTakerAssetFilledAmount).to.be.bignumber.equal(expectedTakerAssetFilledAmount);
expect(orderInfo.orderStatus).to.equal(expectedOrderStatus);
});
it('should return the correct orderInfo for a cancelled and partially filled order', async () => {
const takerAssetFillAmount = signedOrder.takerAssetAmount.div(2);
await exchangeWrapper.fillOrderAsync(signedOrder, takerAddress, { takerAssetFillAmount });
await exchangeWrapper.cancelOrderAsync(signedOrder, makerAddress);
const orderInfo = await exchangeWrapper.getOrderInfoAsync(signedOrder);
const expectedOrderHash = orderHashUtils.getOrderHashHex(signedOrder);
const expectedTakerAssetFilledAmount = takerAssetFillAmount;
const expectedOrderStatus = OrderStatus.CANCELLED;
expect(orderInfo.orderHash).to.be.equal(expectedOrderHash);
expect(orderInfo.orderTakerAssetFilledAmount).to.be.bignumber.equal(expectedTakerAssetFilledAmount);
expect(orderInfo.orderStatus).to.equal(expectedOrderStatus);
});
it('should return the correct orderInfo for an expired and unfilled order', async () => {
const currentTimestamp = await getLatestBlockTimestampAsync();
const timeUntilExpiration = signedOrder.expirationTimeSeconds.minus(currentTimestamp).toNumber();
await increaseTimeAndMineBlockAsync(timeUntilExpiration);
const orderInfo = await exchangeWrapper.getOrderInfoAsync(signedOrder);
const expectedOrderHash = orderHashUtils.getOrderHashHex(signedOrder);
const expectedTakerAssetFilledAmount = new BigNumber(0);
const expectedOrderStatus = OrderStatus.EXPIRED;
expect(orderInfo.orderHash).to.be.equal(expectedOrderHash);
expect(orderInfo.orderTakerAssetFilledAmount).to.be.bignumber.equal(expectedTakerAssetFilledAmount);
expect(orderInfo.orderStatus).to.equal(expectedOrderStatus);
});
it('should return the correct orderInfo for an expired and partially filled order', async () => {
const takerAssetFillAmount = signedOrder.takerAssetAmount.div(2);
await exchangeWrapper.fillOrderAsync(signedOrder, takerAddress, { takerAssetFillAmount });
const currentTimestamp = await getLatestBlockTimestampAsync();
const timeUntilExpiration = signedOrder.expirationTimeSeconds.minus(currentTimestamp).toNumber();
await increaseTimeAndMineBlockAsync(timeUntilExpiration);
const orderInfo = await exchangeWrapper.getOrderInfoAsync(signedOrder);
const expectedOrderHash = orderHashUtils.getOrderHashHex(signedOrder);
const expectedTakerAssetFilledAmount = takerAssetFillAmount;
const expectedOrderStatus = OrderStatus.EXPIRED;
expect(orderInfo.orderHash).to.be.equal(expectedOrderHash);
expect(orderInfo.orderTakerAssetFilledAmount).to.be.bignumber.equal(expectedTakerAssetFilledAmount);
expect(orderInfo.orderStatus).to.equal(expectedOrderStatus);
});
it('should return the correct orderInfo for an expired and fully filled order', async () => {
await exchangeWrapper.fillOrderAsync(signedOrder, takerAddress);
const currentTimestamp = await getLatestBlockTimestampAsync();
const timeUntilExpiration = signedOrder.expirationTimeSeconds.minus(currentTimestamp).toNumber();
await increaseTimeAndMineBlockAsync(timeUntilExpiration);
const orderInfo = await exchangeWrapper.getOrderInfoAsync(signedOrder);
const expectedOrderHash = orderHashUtils.getOrderHashHex(signedOrder);
const expectedTakerAssetFilledAmount = signedOrder.takerAssetAmount;
// FULLY_FILLED takes precedence over EXPIRED
const expectedOrderStatus = OrderStatus.FULLY_FILLED;
expect(orderInfo.orderHash).to.be.equal(expectedOrderHash);
expect(orderInfo.orderTakerAssetFilledAmount).to.be.bignumber.equal(expectedTakerAssetFilledAmount);
expect(orderInfo.orderStatus).to.equal(expectedOrderStatus);
});
it('should return the correct orderInfo for an order with a makerAssetAmount of 0', async () => {
signedOrder = await orderFactory.newSignedOrderAsync({ makerAssetAmount: new BigNumber(0) });
const orderInfo = await exchangeWrapper.getOrderInfoAsync(signedOrder);
const expectedOrderHash = orderHashUtils.getOrderHashHex(signedOrder);
const expectedTakerAssetFilledAmount = new BigNumber(0);
const expectedOrderStatus = OrderStatus.INVALID_MAKER_ASSET_AMOUNT;
expect(orderInfo.orderHash).to.be.equal(expectedOrderHash);
expect(orderInfo.orderTakerAssetFilledAmount).to.be.bignumber.equal(expectedTakerAssetFilledAmount);
expect(orderInfo.orderStatus).to.equal(expectedOrderStatus);
});
it('should return the correct orderInfo for an order with a takerAssetAmount of 0', async () => {
signedOrder = await orderFactory.newSignedOrderAsync({ takerAssetAmount: new BigNumber(0) });
const orderInfo = await exchangeWrapper.getOrderInfoAsync(signedOrder);
const expectedOrderHash = orderHashUtils.getOrderHashHex(signedOrder);
const expectedTakerAssetFilledAmount = new BigNumber(0);
const expectedOrderStatus = OrderStatus.INVALID_TAKER_ASSET_AMOUNT;
expect(orderInfo.orderHash).to.be.equal(expectedOrderHash);
expect(orderInfo.orderTakerAssetFilledAmount).to.be.bignumber.equal(expectedTakerAssetFilledAmount);
expect(orderInfo.orderStatus).to.equal(expectedOrderStatus);
});
});
});
// tslint:disable:max-file-line-count
// tslint:enable:no-unnecessary-type-assertion