import { LogWithDecodedArgs, TransactionReceiptWithDecodedLogs, ZeroEx } from '0x.js';
import { BlockchainLifecycle, devConstants, web3Factory } from '@0xproject/dev-utils';
import { BigNumber } from '@0xproject/utils';
import { Web3Wrapper } from '@0xproject/web3-wrapper';
import * as chai from 'chai';
import * as Web3 from 'web3';
import { AssetProxyDispatcherContract } from '../../src/contract_wrappers/generated/asset_proxy_dispatcher';
import { DummyERC721TokenContract } from '../../src/contract_wrappers/generated/dummy_e_r_c721_token';
import { DummyTokenContract } from '../../src/contract_wrappers/generated/dummy_token';
import { ERC20ProxyContract } from '../../src/contract_wrappers/generated/e_r_c20_transfer_proxy';
import { ERC721ProxyContract } from '../../src/contract_wrappers/generated/e_r_c721_transfer_proxy';
import { ERC20Proxy_v1Contract } from '../../src/contract_wrappers/generated/erc20transferproxy_v1';
import { TokenTransferProxyContract } from '../../src/contract_wrappers/generated/token_transfer_proxy';
import {
encodeERC20ProxyMetadata,
encodeERC20ProxyMetadata_V1,
encodeERC721ProxyMetadata,
} from '../../src/utils/asset_proxy_utils';
import { Balances } from '../../src/utils/balances';
import { constants } from '../../src/utils/constants';
import { AssetProxyId, ContractName } 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('AssetProxyDispatcher', () => {
let owner: string;
let notOwner: string;
let assetProxyManagerAddress: string;
let tokenOwner: string;
let makerAddress: string;
let takerAddress: string;
let zrx: DummyTokenContract;
let dmyBalances: Balances;
let tokenTransferProxy: TokenTransferProxyContract;
let assetProxyDispatcher: AssetProxyDispatcherContract;
let erc20TransferProxyV1: ERC20Proxy_v1Contract;
let erc20TransferProxy: ERC20ProxyContract;
let erc721TransferProxy: ERC721ProxyContract;
const nilAddress = '0x0000000000000000000000000000000000000000';
const INITIAL_BALANCE = new BigNumber(10000);
before(async () => {
const accounts = await web3Wrapper.getAvailableAddressesAsync();
owner = tokenOwner = accounts[0];
notOwner = accounts[1];
assetProxyManagerAddress = accounts[2];
makerAddress = accounts[3];
takerAddress = accounts[4];
const tokenTransferProxyInstance = await deployer.deployAsync(ContractName.TokenTransferProxy);
tokenTransferProxy = new TokenTransferProxyContract(
tokenTransferProxyInstance.abi,
tokenTransferProxyInstance.address,
provider,
);
const erc20TransferProxyV1Instance = await deployer.deployAsync(ContractName.ERC20Proxy_V1, [
tokenTransferProxy.address,
]);
erc20TransferProxyV1 = new ERC20Proxy_v1Contract(
erc20TransferProxyV1Instance.abi,
erc20TransferProxyV1Instance.address,
provider,
);
const erc20TransferProxyInstance = await deployer.deployAsync(ContractName.ERC20Proxy);
erc20TransferProxy = new ERC20ProxyContract(
erc20TransferProxyInstance.abi,
erc20TransferProxyInstance.address,
provider,
);
const erc721TransferProxyInstance = await deployer.deployAsync(ContractName.ERC721Proxy);
erc721TransferProxy = new ERC721ProxyContract(
erc721TransferProxyInstance.abi,
erc721TransferProxyInstance.address,
provider,
);
const assetProxyDispatcherInstance = await deployer.deployAsync(ContractName.AssetProxyDispatcher);
assetProxyDispatcher = new AssetProxyDispatcherContract(
assetProxyDispatcherInstance.abi,
assetProxyDispatcherInstance.address,
provider,
);
const zrxInstance = await deployer.deployAsync(ContractName.DummyToken, constants.DUMMY_TOKEN_ARGS);
zrx = new DummyTokenContract(zrxInstance.abi, zrxInstance.address, provider);
await zrx.setBalance.sendTransactionAsync(makerAddress, INITIAL_BALANCE, { from: tokenOwner });
await zrx.setBalance.sendTransactionAsync(takerAddress, INITIAL_BALANCE, { from: tokenOwner });
dmyBalances = new Balances([zrx], [makerAddress, takerAddress]);
await zrx.approve.sendTransactionAsync(erc20TransferProxy.address, INITIAL_BALANCE, {
from: takerAddress,
});
await zrx.approve.sendTransactionAsync(erc20TransferProxy.address, INITIAL_BALANCE, {
from: makerAddress,
});
await assetProxyDispatcher.addAuthorizedAddress.sendTransactionAsync(assetProxyManagerAddress, {
from: accounts[0],
});
await erc20TransferProxyV1.addAuthorizedAddress.sendTransactionAsync(assetProxyDispatcher.address, {
from: accounts[0],
});
await erc20TransferProxy.addAuthorizedAddress.sendTransactionAsync(assetProxyDispatcher.address, {
from: accounts[0],
});
await erc721TransferProxy.addAuthorizedAddress.sendTransactionAsync(assetProxyDispatcher.address, {
from: accounts[0],
});
await tokenTransferProxy.addAuthorizedAddress.sendTransactionAsync(erc20TransferProxyV1.address, {
from: accounts[0],
});
});
beforeEach(async () => {
await blockchainLifecycle.startAsync();
});
afterEach(async () => {
await blockchainLifecycle.revertAsync();
});
describe('setAssetProxy', () => {
it('should record proxy upon registration', async () => {
await assetProxyDispatcher.setAssetProxy.sendTransactionAsync(
AssetProxyId.ERC20,
erc20TransferProxy.address,
nilAddress,
{ from: owner },
);
const proxyAddress = await assetProxyDispatcher.getAssetProxy.callAsync(AssetProxyId.ERC20);
expect(proxyAddress).to.be.equal(erc20TransferProxy.address);
});
it('should be able to record multiple proxies', async () => {
await assetProxyDispatcher.setAssetProxy.sendTransactionAsync(
AssetProxyId.ERC20,
erc20TransferProxy.address,
nilAddress,
{ from: owner },
);
let proxyAddress = await assetProxyDispatcher.getAssetProxy.callAsync(AssetProxyId.ERC20);
expect(proxyAddress).to.be.equal(erc20TransferProxy.address);
await assetProxyDispatcher.setAssetProxy.sendTransactionAsync(
AssetProxyId.ERC721,
erc721TransferProxy.address,
nilAddress,
{ from: owner },
);
proxyAddress = await assetProxyDispatcher.getAssetProxy.callAsync(AssetProxyId.ERC721);
expect(proxyAddress).to.be.equal(erc721TransferProxy.address);
});
it('should replace proxy address upon re-registration', async () => {
await assetProxyDispatcher.setAssetProxy.sendTransactionAsync(
AssetProxyId.ERC20,
erc20TransferProxy.address,
nilAddress,
{ from: owner },
);
let proxyAddress = await assetProxyDispatcher.getAssetProxy.callAsync(AssetProxyId.ERC20);
expect(proxyAddress).to.be.equal(erc20TransferProxy.address);
// Deploy a new version of the ERC20 Transfer Proxy contract
const newErc20TransferProxyInstance = await deployer.deployAsync(ContractName.ERC20Proxy);
const newErc20TransferProxy = new ERC20ProxyContract(
newErc20TransferProxyInstance.abi,
newErc20TransferProxyInstance.address,
provider,
);
const newAddress = newErc20TransferProxy.address;
const currentAddress = erc20TransferProxy.address;
await assetProxyDispatcher.setAssetProxy.sendTransactionAsync(
AssetProxyId.ERC20,
newAddress,
currentAddress,
{ from: owner },
);
proxyAddress = await assetProxyDispatcher.getAssetProxy.callAsync(AssetProxyId.ERC20);
expect(proxyAddress).to.be.equal(newAddress);
});
it('should throw if registering with incorrect "old_address" field', async () => {
await assetProxyDispatcher.setAssetProxy.sendTransactionAsync(
AssetProxyId.ERC20,
erc20TransferProxy.address,
nilAddress,
{ from: owner },
);
const proxyAddress = await assetProxyDispatcher.getAssetProxy.callAsync(AssetProxyId.ERC20);
expect(proxyAddress).to.be.equal(erc20TransferProxy.address);
// The following transaction will throw because the currentAddress is no longer nilAddress
return expect(
assetProxyDispatcher.setAssetProxy.sendTransactionAsync(
AssetProxyId.ERC20,
erc20TransferProxy.address,
nilAddress,
{ from: owner },
),
).to.be.rejectedWith(constants.REVERT);
});
it('should be able to reset proxy address to NULL', async () => {
await assetProxyDispatcher.setAssetProxy.sendTransactionAsync(
AssetProxyId.ERC20,
erc20TransferProxy.address,
nilAddress,
{ from: owner },
);
const proxyAddress = await assetProxyDispatcher.getAssetProxy.callAsync(AssetProxyId.ERC20);
expect(proxyAddress).to.be.equal(erc20TransferProxy.address);
// The following transaction will reset the proxy address
await assetProxyDispatcher.setAssetProxy.sendTransactionAsync(
AssetProxyId.ERC20,
nilAddress,
erc20TransferProxy.address,
{ from: owner },
);
const newProxyAddress = await assetProxyDispatcher.getAssetProxy.callAsync(AssetProxyId.ERC20);
expect(newProxyAddress).to.be.equal(nilAddress);
});
it('should throw if requesting address is not authorized', async () => {
return expect(
assetProxyDispatcher.setAssetProxy.sendTransactionAsync(
AssetProxyId.ERC20,
erc20TransferProxy.address,
nilAddress,
{ from: notOwner },
),
).to.be.rejectedWith(constants.REVERT);
});
});
describe('getAssetProxy', () => {
it('should return correct address of registered proxy', async () => {
await assetProxyDispatcher.setAssetProxy.sendTransactionAsync(
AssetProxyId.ERC20,
erc20TransferProxy.address,
nilAddress,
{ from: owner },
);
const proxyAddress = await assetProxyDispatcher.getAssetProxy.callAsync(AssetProxyId.ERC20);
expect(proxyAddress).to.be.equal(erc20TransferProxy.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(nilAddress);
});
});
describe('transferFrom', () => {
it('should dispatch transfer to registered proxy', async () => {
// Register ERC20 proxy
await assetProxyDispatcher.setAssetProxy.sendTransactionAsync(
AssetProxyId.ERC20,
erc20TransferProxy.address,
nilAddress,
{ from: owner },
);
// Construct metadata for ERC20 proxy
const encodedProxyMetadata = encodeERC20ProxyMetadata(zrx.address);
// Perform a transfer from makerAddress to takerAddress
const balances = await dmyBalances.getAsync();
const amount = new BigNumber(10);
await assetProxyDispatcher.transferFrom.sendTransactionAsync(
encodedProxyMetadata,
makerAddress,
takerAddress,
amount,
{ from: assetProxyManagerAddress },
);
// Verify transfer was successful
const newBalances = await dmyBalances.getAsync();
expect(newBalances[makerAddress][zrx.address]).to.be.bignumber.equal(
balances[makerAddress][zrx.address].minus(amount),
);
expect(newBalances[takerAddress][zrx.address]).to.be.bignumber.equal(
balances[takerAddress][zrx.address].add(amount),
);
});
it('should throw if delegating to unregistered proxy', async () => {
// Construct metadata for ERC20 proxy
const encodedProxyMetadata = encodeERC20ProxyMetadata(zrx.address);
// Perform a transfer from makerAddress to takerAddress
const balances = await dmyBalances.getAsync();
const amount = new BigNumber(10);
return expect(
assetProxyDispatcher.transferFrom.sendTransactionAsync(
encodedProxyMetadata,
makerAddress,
takerAddress,
amount,
{ from: notOwner },
),
).to.be.rejectedWith(constants.REVERT);
});
it('should throw if requesting address is not authorized', async () => {
// Register ERC20 proxy
await assetProxyDispatcher.setAssetProxy.sendTransactionAsync(
AssetProxyId.ERC20,
erc20TransferProxy.address,
nilAddress,
{ from: owner },
);
// Construct metadata for ERC20 proxy
const encodedProxyMetadata = encodeERC20ProxyMetadata(zrx.address);
// Perform a transfer from makerAddress to takerAddress
const balances = await dmyBalances.getAsync();
const amount = new BigNumber(10);
return expect(
assetProxyDispatcher.transferFrom.sendTransactionAsync(
encodedProxyMetadata,
makerAddress,
takerAddress,
amount,
{ from: notOwner },
),
).to.be.rejectedWith(constants.REVERT);
});
});
});
