aboutsummaryrefslogtreecommitdiffstats
path: root/packages/contracts/test/exchange/transactions.ts
blob: 2bc078153408293274d033c4074c0fb9aeae3d88 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
import { ZeroEx } from '0x.js';

import { BlockchainLifecycle } from '@0xproject/dev-utils';
import { BigNumber } from '@0xproject/utils';
import * as chai from 'chai';
import * as ethUtil from 'ethereumjs-util';
import * as Web3 from 'web3';

import { DummyERC20TokenContract } from '../../src/contract_wrappers/generated/dummy_e_r_c20_token';
import { ERC20ProxyContract } from '../../src/contract_wrappers/generated/e_r_c20_proxy';
import { ExchangeContract } from '../../src/contract_wrappers/generated/exchange';
import { assetProxyUtils } from '../../src/utils/asset_proxy_utils';
import { constants } from '../../src/utils/constants';
import { ERC20Wrapper } from '../../src/utils/erc20_wrapper';
import { ExchangeWrapper } from '../../src/utils/exchange_wrapper';
import { OrderFactory } from '../../src/utils/order_factory';
import { orderUtils } from '../../src/utils/order_utils';
import { TransactionFactory } from '../../src/utils/transaction_factory';
import {
    AssetProxyId,
    ContractName,
    ERC20BalancesByOwner,
    ExchangeContractErrs,
    OrderStruct,
    SignatureType,
    SignedOrder,
    SignedTransaction,
} from '../../src/utils/types';
import { chaiSetup } from '../utils/chai_setup';
import { deployer } from '../utils/deployer';
import { provider, web3Wrapper } from '../utils/web3_wrapper';

chaiSetup.configure();
const expect = chai.expect;
const blockchainLifecycle = new BlockchainLifecycle(web3Wrapper);

describe('Exchange transactions', () => {
    let senderAddress: string;
    let owner: string;
    let makerAddress: string;
    let takerAddress: string;
    let feeRecipientAddress: string;

    let erc20TokenA: DummyERC20TokenContract;
    let erc20TokenB: DummyERC20TokenContract;
    let zrxToken: DummyERC20TokenContract;
    let exchange: ExchangeContract;
    let erc20Proxy: ERC20ProxyContract;

    let erc20Balances: ERC20BalancesByOwner;
    let signedOrder: SignedOrder;
    let signedTx: SignedTransaction;
    let order: OrderStruct;
    let orderFactory: OrderFactory;
    let makerTransactionFactory: TransactionFactory;
    let takerTransactionFactory: TransactionFactory;
    let exchangeWrapper: ExchangeWrapper;
    let erc20Wrapper: ERC20Wrapper;

    let defaultMakerTokenAddress: string;
    let defaultTakerTokenAddress: string;

    let zeroEx: ZeroEx;

    before(async () => {
        const accounts = await web3Wrapper.getAvailableAddressesAsync();
        const usedAddresses = ([owner, senderAddress, makerAddress, takerAddress, feeRecipientAddress] = accounts);

        erc20Wrapper = new ERC20Wrapper(deployer, provider, usedAddresses, owner);

        [erc20TokenA, erc20TokenB, zrxToken] = await erc20Wrapper.deployDummyTokensAsync();
        erc20Proxy = await erc20Wrapper.deployProxyAsync();
        await erc20Wrapper.setBalancesAndAllowancesAsync();

        const exchangeInstance = await deployer.deployAsync(ContractName.Exchange, [
            assetProxyUtils.encodeERC20ProxyData(zrxToken.address),
        ]);
        exchange = new ExchangeContract(exchangeInstance.abi, exchangeInstance.address, provider);
        zeroEx = new ZeroEx(provider, {
            exchangeContractAddress: exchange.address,
            networkId: constants.TESTRPC_NETWORK_ID,
        });
        exchangeWrapper = new ExchangeWrapper(exchange, zeroEx);
        await exchangeWrapper.registerAssetProxyAsync(AssetProxyId.ERC20, erc20Proxy.address, owner);

        await erc20Proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address, { from: owner });

        defaultMakerTokenAddress = erc20TokenA.address;
        defaultTakerTokenAddress = erc20TokenB.address;

        const defaultOrderParams = {
            ...constants.STATIC_ORDER_PARAMS,
            senderAddress,
            exchangeAddress: exchange.address,
            makerAddress,
            feeRecipientAddress,
            makerAssetData: assetProxyUtils.encodeERC20ProxyData(defaultMakerTokenAddress),
            takerAssetData: assetProxyUtils.encodeERC20ProxyData(defaultTakerTokenAddress),
        };
        const makerPrivateKey = constants.TESTRPC_PRIVATE_KEYS[accounts.indexOf(makerAddress)];
        const takerPrivateKey = constants.TESTRPC_PRIVATE_KEYS[accounts.indexOf(takerAddress)];
        orderFactory = new OrderFactory(makerPrivateKey, defaultOrderParams);
        makerTransactionFactory = new TransactionFactory(makerPrivateKey, exchange.address);
        takerTransactionFactory = new TransactionFactory(takerPrivateKey, exchange.address);
    });
    beforeEach(async () => {
        await blockchainLifecycle.startAsync();
    });
    afterEach(async () => {
        await blockchainLifecycle.revertAsync();
    });

    describe('executeTransaction', () => {
        describe('fillOrder', () => {
            let takerAssetFillAmount: BigNumber;
            beforeEach(async () => {
                erc20Balances = await erc20Wrapper.getBalancesAsync();
                signedOrder = orderFactory.newSignedOrder();
                order = orderUtils.getOrderStruct(signedOrder);

                takerAssetFillAmount = signedOrder.takerAssetAmount.div(2);
                const data = exchange.fillOrder.getABIEncodedTransactionData(
                    order,
                    takerAssetFillAmount,
                    signedOrder.signature,
                );
                signedTx = takerTransactionFactory.newSignedTransaction(data);
            });

            it('should throw if not called by specified sender', async () => {
                return expect(exchangeWrapper.executeTransactionAsync(signedTx, takerAddress)).to.be.rejectedWith(
                    constants.REVERT,
                );
            });

            it('should transfer the correct amounts when signed by taker and called by sender', async () => {
                await exchangeWrapper.executeTransactionAsync(signedTx, senderAddress);
                const newBalances = await erc20Wrapper.getBalancesAsync();
                const makerAssetFillAmount = takerAssetFillAmount
                    .times(signedOrder.makerAssetAmount)
                    .dividedToIntegerBy(signedOrder.takerAssetAmount);
                const makerFeePaid = signedOrder.makerFee
                    .times(makerAssetFillAmount)
                    .dividedToIntegerBy(signedOrder.makerAssetAmount);
                const takerFeePaid = signedOrder.takerFee
                    .times(makerAssetFillAmount)
                    .dividedToIntegerBy(signedOrder.makerAssetAmount);
                expect(newBalances[makerAddress][defaultMakerTokenAddress]).to.be.bignumber.equal(
                    erc20Balances[makerAddress][defaultMakerTokenAddress].minus(makerAssetFillAmount),
                );
                expect(newBalances[makerAddress][defaultTakerTokenAddress]).to.be.bignumber.equal(
                    erc20Balances[makerAddress][defaultTakerTokenAddress].add(takerAssetFillAmount),
                );
                expect(newBalances[makerAddress][zrxToken.address]).to.be.bignumber.equal(
                    erc20Balances[makerAddress][zrxToken.address].minus(makerFeePaid),
                );
                expect(newBalances[takerAddress][defaultTakerTokenAddress]).to.be.bignumber.equal(
                    erc20Balances[takerAddress][defaultTakerTokenAddress].minus(takerAssetFillAmount),
                );
                expect(newBalances[takerAddress][defaultMakerTokenAddress]).to.be.bignumber.equal(
                    erc20Balances[takerAddress][defaultMakerTokenAddress].add(makerAssetFillAmount),
                );
                expect(newBalances[takerAddress][zrxToken.address]).to.be.bignumber.equal(
                    erc20Balances[takerAddress][zrxToken.address].minus(takerFeePaid),
                );
                expect(newBalances[feeRecipientAddress][zrxToken.address]).to.be.bignumber.equal(
                    erc20Balances[feeRecipientAddress][zrxToken.address].add(makerFeePaid.add(takerFeePaid)),
                );
            });

            it('should throw if the a 0x transaction with the same transactionHash has already been executed', async () => {
                await exchangeWrapper.executeTransactionAsync(signedTx, senderAddress);
                return expect(exchangeWrapper.executeTransactionAsync(signedTx, senderAddress)).to.be.rejectedWith(
                    constants.REVERT,
                );
            });

            it('should reset the currentContextAddress', async () => {
                await exchangeWrapper.executeTransactionAsync(signedTx, senderAddress);
                const currentContextAddress = await exchange.currentContextAddress.callAsync();
                expect(currentContextAddress).to.equal(ZeroEx.NULL_ADDRESS);
            });
        });

        describe('cancelOrder', () => {
            beforeEach(async () => {
                const data = exchange.cancelOrder.getABIEncodedTransactionData(order);
                signedTx = makerTransactionFactory.newSignedTransaction(data);
            });

            it('should throw if not called by specified sender', async () => {
                return expect(exchangeWrapper.executeTransactionAsync(signedTx, makerAddress)).to.be.rejectedWith(
                    constants.REVERT,
                );
            });

            it('should cancel the order when signed by maker and called by sender', async () => {
                await exchangeWrapper.executeTransactionAsync(signedTx, senderAddress);
                const res = await exchangeWrapper.fillOrderAsync(signedOrder, takerAddress);
                const newBalances = await erc20Wrapper.getBalancesAsync();
                expect(newBalances).to.deep.equal(erc20Balances);
            });
        });
    });
});