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import { BlockchainLifecycle } from '@0xproject/dev-utils';
import { assetProxyUtils } from '@0xproject/order-utils';
import { AssetProxyId, RevertReason } from '@0xproject/types';
import { BigNumber } from '@0xproject/utils';
import * as chai from 'chai';
import { LogWithDecodedArgs } from 'ethereum-types';
import * as _ from 'lodash';
import { DummyERC20TokenContract } from '../../generated_contract_wrappers/dummy_e_r_c20_token';
import { ERC20ProxyContract } from '../../generated_contract_wrappers/e_r_c20_proxy';
import { ERC721ProxyContract } from '../../generated_contract_wrappers/e_r_c721_proxy';
import {
AssetProxyRegisteredContractEventArgs,
TestAssetProxyDispatcherContract,
} from '../../generated_contract_wrappers/test_asset_proxy_dispatcher';
import { artifacts } from '../utils/artifacts';
import { expectRevertReasonOrAlwaysFailingTransactionAsync } from '../utils/assertions';
import { chaiSetup } from '../utils/chai_setup';
import { constants } from '../utils/constants';
import { ERC20Wrapper } from '../utils/erc20_wrapper';
import { ERC721Wrapper } from '../utils/erc721_wrapper';
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('AssetProxyDispatcher', () => {
let owner: string;
let notOwner: string;
let makerAddress: string;
let takerAddress: string;
let zrxToken: DummyERC20TokenContract;
let erc20Proxy: ERC20ProxyContract;
let erc721Proxy: ERC721ProxyContract;
let assetProxyDispatcher: TestAssetProxyDispatcherContract;
let erc20Wrapper: ERC20Wrapper;
let erc721Wrapper: ERC721Wrapper;
before(async () => {
await blockchainLifecycle.startAsync();
});
after(async () => {
await blockchainLifecycle.revertAsync();
});
before(async () => {
// Setup accounts & addresses
const accounts = await web3Wrapper.getAvailableAddressesAsync();
const usedAddresses = ([owner, notOwner, makerAddress, takerAddress] = _.slice(accounts, 0, 4));
erc20Wrapper = new ERC20Wrapper(provider, usedAddresses, owner);
erc721Wrapper = new ERC721Wrapper(provider, usedAddresses, owner);
const numDummyErc20ToDeploy = 1;
[zrxToken] = await erc20Wrapper.deployDummyTokensAsync(numDummyErc20ToDeploy, constants.DUMMY_TOKEN_DECIMALS);
erc20Proxy = await erc20Wrapper.deployProxyAsync();
await erc20Wrapper.setBalancesAndAllowancesAsync();
erc721Proxy = await erc721Wrapper.deployProxyAsync();
assetProxyDispatcher = await TestAssetProxyDispatcherContract.deployFrom0xArtifactAsync(
artifacts.TestAssetProxyDispatcher,
provider,
txDefaults,
);
await web3Wrapper.awaitTransactionSuccessAsync(
await erc20Proxy.addAuthorizedAddress.sendTransactionAsync(assetProxyDispatcher.address, {
from: owner,
}),
constants.AWAIT_TRANSACTION_MINED_MS,
);
await web3Wrapper.awaitTransactionSuccessAsync(
await erc721Proxy.addAuthorizedAddress.sendTransactionAsync(assetProxyDispatcher.address, {
from: owner,
}),
constants.AWAIT_TRANSACTION_MINED_MS,
);
});
beforeEach(async () => {
await blockchainLifecycle.startAsync();
});
afterEach(async () => {
await blockchainLifecycle.revertAsync();
});
describe('registerAssetProxy', () => {
it('should record proxy upon registration', async () => {
await web3Wrapper.awaitTransactionSuccessAsync(
await assetProxyDispatcher.registerAssetProxy.sendTransactionAsync(erc20Proxy.address, { from: owner }),
constants.AWAIT_TRANSACTION_MINED_MS,
);
const proxyAddress = await assetProxyDispatcher.getAssetProxy.callAsync(AssetProxyId.ERC20);
expect(proxyAddress).to.be.equal(erc20Proxy.address);
});
it('should be able to record multiple proxies', async () => {
// Record first proxy
await web3Wrapper.awaitTransactionSuccessAsync(
await assetProxyDispatcher.registerAssetProxy.sendTransactionAsync(erc20Proxy.address, { from: owner }),
constants.AWAIT_TRANSACTION_MINED_MS,
);
let proxyAddress = await assetProxyDispatcher.getAssetProxy.callAsync(AssetProxyId.ERC20);
expect(proxyAddress).to.be.equal(erc20Proxy.address);
// Record another proxy
await web3Wrapper.awaitTransactionSuccessAsync(
await assetProxyDispatcher.registerAssetProxy.sendTransactionAsync(erc721Proxy.address, {
from: owner,
}),
constants.AWAIT_TRANSACTION_MINED_MS,
);
proxyAddress = await assetProxyDispatcher.getAssetProxy.callAsync(AssetProxyId.ERC721);
expect(proxyAddress).to.be.equal(erc721Proxy.address);
});
it('should throw if a proxy with the same id is already registered', async () => {
// Initial registration
await web3Wrapper.awaitTransactionSuccessAsync(
await assetProxyDispatcher.registerAssetProxy.sendTransactionAsync(erc20Proxy.address, { from: owner }),
constants.AWAIT_TRANSACTION_MINED_MS,
);
const proxyAddress = await assetProxyDispatcher.getAssetProxy.callAsync(AssetProxyId.ERC20);
expect(proxyAddress).to.be.equal(erc20Proxy.address);
// Deploy a new version of the ERC20 Transfer Proxy contract
const newErc20TransferProxy = await ERC20ProxyContract.deployFrom0xArtifactAsync(
artifacts.ERC20Proxy,
provider,
txDefaults,
);
// Register new ERC20 Transfer Proxy contract
return expectRevertReasonOrAlwaysFailingTransactionAsync(
assetProxyDispatcher.registerAssetProxy.sendTransactionAsync(newErc20TransferProxy.address, {
from: owner,
}),
RevertReason.AssetProxyAlreadyExists,
);
});
it('should throw if requesting address is not owner', async () => {
return expectRevertReasonOrAlwaysFailingTransactionAsync(
assetProxyDispatcher.registerAssetProxy.sendTransactionAsync(erc20Proxy.address, { from: notOwner }),
RevertReason.OnlyContractOwner,
);
});
it('should log an event with correct arguments when an asset proxy is registered', async () => {
const logDecoder = new LogDecoder(web3Wrapper, assetProxyDispatcher.address);
const txReceipt = await logDecoder.getTxWithDecodedLogsAsync(
await assetProxyDispatcher.registerAssetProxy.sendTransactionAsync(erc20Proxy.address, { from: owner }),
);
const logs = txReceipt.logs;
const log = logs[0] as LogWithDecodedArgs<AssetProxyRegisteredContractEventArgs>;
expect(log.args.id).to.equal(AssetProxyId.ERC20);
expect(log.args.assetProxy).to.equal(erc20Proxy.address);
});
});
describe('getAssetProxy', () => {
it('should return correct address of registered proxy', async () => {
await web3Wrapper.awaitTransactionSuccessAsync(
await assetProxyDispatcher.registerAssetProxy.sendTransactionAsync(erc20Proxy.address, { from: owner }),
constants.AWAIT_TRANSACTION_MINED_MS,
);
const proxyAddress = await assetProxyDispatcher.getAssetProxy.callAsync(AssetProxyId.ERC20);
expect(proxyAddress).to.be.equal(erc20Proxy.address);
});
it('should return NULL address if requesting non-existent proxy', async () => {
const proxyAddress = await assetProxyDispatcher.getAssetProxy.callAsync(AssetProxyId.ERC20);
expect(proxyAddress).to.be.equal(constants.NULL_ADDRESS);
});
});
describe('dispatchTransferFrom', () => {
it('should dispatch transfer to registered proxy', async () => {
// Register ERC20 proxy
await web3Wrapper.awaitTransactionSuccessAsync(
await assetProxyDispatcher.registerAssetProxy.sendTransactionAsync(erc20Proxy.address, { from: owner }),
constants.AWAIT_TRANSACTION_MINED_MS,
);
// Construct metadata for ERC20 proxy
const encodedAssetData = assetProxyUtils.encodeERC20AssetData(zrxToken.address);
// Perform a transfer from makerAddress to takerAddress
const erc20Balances = await erc20Wrapper.getBalancesAsync();
const amount = new BigNumber(10);
await web3Wrapper.awaitTransactionSuccessAsync(
await assetProxyDispatcher.publicDispatchTransferFrom.sendTransactionAsync(
encodedAssetData,
makerAddress,
takerAddress,
amount,
{ from: owner },
),
constants.AWAIT_TRANSACTION_MINED_MS,
);
// Verify transfer was successful
const newBalances = await erc20Wrapper.getBalancesAsync();
expect(newBalances[makerAddress][zrxToken.address]).to.be.bignumber.equal(
erc20Balances[makerAddress][zrxToken.address].minus(amount),
);
expect(newBalances[takerAddress][zrxToken.address]).to.be.bignumber.equal(
erc20Balances[takerAddress][zrxToken.address].add(amount),
);
});
it('should throw if dispatching to unregistered proxy', async () => {
// Construct metadata for ERC20 proxy
const encodedAssetData = assetProxyUtils.encodeERC20AssetData(zrxToken.address);
// Perform a transfer from makerAddress to takerAddress
const amount = new BigNumber(10);
return expectRevertReasonOrAlwaysFailingTransactionAsync(
assetProxyDispatcher.publicDispatchTransferFrom.sendTransactionAsync(
encodedAssetData,
makerAddress,
takerAddress,
amount,
{ from: owner },
),
RevertReason.AssetProxyDoesNotExist,
);
});
});
});
// tslint:enable:no-unnecessary-type-assertion
|
