1640 lines
		
	
	
		
			83 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			1640 lines
		
	
	
		
			83 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
import { ERC1155MintableContract, Erc1155Wrapper } from '@0x/contracts-erc1155';
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import {
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    artifacts as erc20Artifacts,
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    DummyERC20TokenContract,
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    DummyERC20TokenTransferEventArgs,
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    DummyMultipleReturnERC20TokenContract,
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    DummyNoReturnERC20TokenContract,
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} from '@0x/contracts-erc20';
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import {
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    artifacts as erc721Artifacts,
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    DummyERC721ReceiverContract,
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    DummyERC721TokenContract,
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} from '@0x/contracts-erc721';
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import {
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    chaiSetup,
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    constants,
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    expectTransactionFailedAsync,
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    expectTransactionFailedWithoutReasonAsync,
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    LogDecoder,
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    provider,
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    txDefaults,
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    web3Wrapper,
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} from '@0x/contracts-test-utils';
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import { BlockchainLifecycle } from '@0x/dev-utils';
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import { assetDataUtils } from '@0x/order-utils';
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import { RevertReason } from '@0x/types';
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import { BigNumber } from '@0x/utils';
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import * as chai from 'chai';
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import { LogWithDecodedArgs } from 'ethereum-types';
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import * as _ from 'lodash';
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import {
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    artifacts,
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    ERC1155ProxyWrapper,
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    ERC20ProxyContract,
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    ERC20Wrapper,
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    ERC721ProxyContract,
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    ERC721Wrapper,
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    IAssetDataContract,
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    IAssetProxyContract,
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    MultiAssetProxyContract,
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} from '../src';
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chaiSetup.configure();
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const expect = chai.expect;
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const blockchainLifecycle = new BlockchainLifecycle(web3Wrapper);
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const assetProxyInterface = new IAssetProxyContract(
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    artifacts.IAssetProxy.compilerOutput.abi,
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    constants.NULL_ADDRESS,
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    provider,
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);
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const assetDataInterface = new IAssetDataContract(
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    artifacts.IAssetData.compilerOutput.abi,
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    constants.NULL_ADDRESS,
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    provider,
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);
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// tslint:disable:no-unnecessary-type-assertion
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describe('Asset Transfer Proxies', () => {
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    let owner: string;
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    let notAuthorized: string;
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    let authorized: string;
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    let fromAddress: string;
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    let toAddress: string;
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    let erc20TokenA: DummyERC20TokenContract;
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    let erc20TokenB: DummyERC20TokenContract;
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    let erc721TokenA: DummyERC721TokenContract;
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    let erc721TokenB: DummyERC721TokenContract;
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    let erc721Receiver: DummyERC721ReceiverContract;
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    let erc20Proxy: ERC20ProxyContract;
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    let erc721Proxy: ERC721ProxyContract;
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    let noReturnErc20Token: DummyNoReturnERC20TokenContract;
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    let multipleReturnErc20Token: DummyMultipleReturnERC20TokenContract;
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    let multiAssetProxy: MultiAssetProxyContract;
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    let erc20Wrapper: ERC20Wrapper;
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    let erc721Wrapper: ERC721Wrapper;
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    let erc721AFromTokenId: BigNumber;
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    let erc721BFromTokenId: BigNumber;
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    let erc1155Proxy: ERC721ProxyContract;
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    let erc1155ProxyWrapper: ERC1155ProxyWrapper;
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    let erc1155Contract: ERC1155MintableContract;
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    let erc1155Contract2: ERC1155MintableContract;
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    let erc1155Wrapper: Erc1155Wrapper;
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    let erc1155Wrapper2: Erc1155Wrapper;
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    let erc1155FungibleTokens: BigNumber[];
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    let erc1155NonFungibleTokensOwnedBySpender: BigNumber[];
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    before(async () => {
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        await blockchainLifecycle.startAsync();
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    });
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    after(async () => {
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        await blockchainLifecycle.revertAsync();
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    });
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    before(async () => {
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        const accounts = await web3Wrapper.getAvailableAddressesAsync();
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        const usedAddresses = ([owner, notAuthorized, authorized, fromAddress, toAddress] = _.slice(accounts, 0, 5));
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        erc20Wrapper = new ERC20Wrapper(provider, usedAddresses, owner);
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        erc721Wrapper = new ERC721Wrapper(provider, usedAddresses, owner);
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        // Deploy AssetProxies
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        erc20Proxy = await erc20Wrapper.deployProxyAsync();
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        erc721Proxy = await erc721Wrapper.deployProxyAsync();
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        multiAssetProxy = await MultiAssetProxyContract.deployFrom0xArtifactAsync(
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            artifacts.MultiAssetProxy,
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            provider,
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            txDefaults,
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        );
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        // Configure ERC20Proxy
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        await erc20Proxy.addAuthorizedAddress.awaitTransactionSuccessAsync(
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            authorized,
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            { from: owner },
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            constants.AWAIT_TRANSACTION_MINED_MS,
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        );
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        await erc20Proxy.addAuthorizedAddress.awaitTransactionSuccessAsync(
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            multiAssetProxy.address,
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            { from: owner },
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            constants.AWAIT_TRANSACTION_MINED_MS,
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        );
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        // Configure ERC721Proxy
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        await erc721Proxy.addAuthorizedAddress.awaitTransactionSuccessAsync(
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            authorized,
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            { from: owner },
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            constants.AWAIT_TRANSACTION_MINED_MS,
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        );
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        await erc721Proxy.addAuthorizedAddress.awaitTransactionSuccessAsync(
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            multiAssetProxy.address,
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            { from: owner },
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            constants.AWAIT_TRANSACTION_MINED_MS,
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        );
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        // Configure ERC115Proxy
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        erc1155ProxyWrapper = new ERC1155ProxyWrapper(provider, usedAddresses, owner);
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        erc1155Proxy = await erc1155ProxyWrapper.deployProxyAsync();
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        await erc1155Proxy.addAuthorizedAddress.awaitTransactionSuccessAsync(
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            authorized,
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            { from: owner },
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            constants.AWAIT_TRANSACTION_MINED_MS,
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        );
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        await erc1155Proxy.addAuthorizedAddress.awaitTransactionSuccessAsync(
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            multiAssetProxy.address,
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            { from: owner },
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            constants.AWAIT_TRANSACTION_MINED_MS,
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        );
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        // Configure MultiAssetProxy
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        await multiAssetProxy.addAuthorizedAddress.awaitTransactionSuccessAsync(
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            authorized,
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            { from: owner },
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            constants.AWAIT_TRANSACTION_MINED_MS,
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        );
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        await multiAssetProxy.registerAssetProxy.awaitTransactionSuccessAsync(
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            erc20Proxy.address,
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            { from: owner },
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            constants.AWAIT_TRANSACTION_MINED_MS,
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        );
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        await multiAssetProxy.registerAssetProxy.awaitTransactionSuccessAsync(
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            erc721Proxy.address,
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            { from: owner },
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            constants.AWAIT_TRANSACTION_MINED_MS,
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        );
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        await multiAssetProxy.registerAssetProxy.awaitTransactionSuccessAsync(
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            erc1155Proxy.address,
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            { from: owner },
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            constants.AWAIT_TRANSACTION_MINED_MS,
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        );
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        // Deploy and configure ERC20 tokens
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        const numDummyErc20ToDeploy = 2;
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        [erc20TokenA, erc20TokenB] = await erc20Wrapper.deployDummyTokensAsync(
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            numDummyErc20ToDeploy,
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            constants.DUMMY_TOKEN_DECIMALS,
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        );
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        noReturnErc20Token = await DummyNoReturnERC20TokenContract.deployFrom0xArtifactAsync(
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            erc20Artifacts.DummyNoReturnERC20Token,
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            provider,
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            txDefaults,
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            constants.DUMMY_TOKEN_NAME,
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            constants.DUMMY_TOKEN_SYMBOL,
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            constants.DUMMY_TOKEN_DECIMALS,
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            constants.DUMMY_TOKEN_TOTAL_SUPPLY,
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        );
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        multipleReturnErc20Token = await DummyMultipleReturnERC20TokenContract.deployFrom0xArtifactAsync(
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            erc20Artifacts.DummyMultipleReturnERC20Token,
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            provider,
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            txDefaults,
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            constants.DUMMY_TOKEN_NAME,
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            constants.DUMMY_TOKEN_SYMBOL,
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            constants.DUMMY_TOKEN_DECIMALS,
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            constants.DUMMY_TOKEN_TOTAL_SUPPLY,
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        );
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        await erc20Wrapper.setBalancesAndAllowancesAsync();
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        await noReturnErc20Token.setBalance.awaitTransactionSuccessAsync(
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            fromAddress,
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            constants.INITIAL_ERC20_BALANCE,
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            {
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                from: owner,
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            },
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            constants.AWAIT_TRANSACTION_MINED_MS,
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        );
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        await noReturnErc20Token.approve.awaitTransactionSuccessAsync(
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            erc20Proxy.address,
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            constants.INITIAL_ERC20_ALLOWANCE,
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            { from: fromAddress },
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            constants.AWAIT_TRANSACTION_MINED_MS,
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        );
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        await multipleReturnErc20Token.setBalance.awaitTransactionSuccessAsync(
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            fromAddress,
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            constants.INITIAL_ERC20_BALANCE,
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            {
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                from: owner,
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            },
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            constants.AWAIT_TRANSACTION_MINED_MS,
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        );
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        await multipleReturnErc20Token.approve.awaitTransactionSuccessAsync(
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            erc20Proxy.address,
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            constants.INITIAL_ERC20_ALLOWANCE,
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            { from: fromAddress },
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            constants.AWAIT_TRANSACTION_MINED_MS,
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        );
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        // Deploy and configure ERC721 tokens and receiver
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        [erc721TokenA, erc721TokenB] = await erc721Wrapper.deployDummyTokensAsync();
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        erc721Receiver = await DummyERC721ReceiverContract.deployFrom0xArtifactAsync(
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            erc721Artifacts.DummyERC721Receiver,
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            provider,
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            txDefaults,
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        );
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        await erc721Wrapper.setBalancesAndAllowancesAsync();
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        const erc721Balances = await erc721Wrapper.getBalancesAsync();
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        erc721AFromTokenId = erc721Balances[fromAddress][erc721TokenA.address][0];
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        erc721BFromTokenId = erc721Balances[fromAddress][erc721TokenB.address][0];
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        // Deploy & configure ERC1155 tokens and receiver
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        [erc1155Wrapper, erc1155Wrapper2] = await erc1155ProxyWrapper.deployDummyContractsAsync();
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        erc1155Contract = erc1155Wrapper.getContract();
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        erc1155Contract2 = erc1155Wrapper2.getContract();
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        await erc1155ProxyWrapper.setBalancesAndAllowancesAsync();
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        erc1155FungibleTokens = erc1155ProxyWrapper.getFungibleTokenIds();
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        const nonFungibleTokens = erc1155ProxyWrapper.getNonFungibleTokenIds();
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        const tokenBalances = await erc1155ProxyWrapper.getBalancesAsync();
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        erc1155NonFungibleTokensOwnedBySpender = [];
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        _.each(nonFungibleTokens, (nonFungibleToken: BigNumber) => {
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            const nonFungibleTokenAsString = nonFungibleToken.toString();
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            const nonFungibleTokenHeldBySpender =
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                tokenBalances.nonFungible[fromAddress][erc1155Contract.address][nonFungibleTokenAsString][0];
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            erc1155NonFungibleTokensOwnedBySpender.push(nonFungibleTokenHeldBySpender);
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        });
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    });
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    beforeEach(async () => {
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        await blockchainLifecycle.startAsync();
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    });
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    afterEach(async () => {
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        await blockchainLifecycle.revertAsync();
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    });
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    describe('ERC20Proxy', () => {
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        it('should revert if undefined function is called', async () => {
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            const undefinedSelector = '0x01020304';
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            await expectTransactionFailedWithoutReasonAsync(
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                web3Wrapper.sendTransactionAsync({
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                    from: owner,
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                    to: erc20Proxy.address,
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                    value: constants.ZERO_AMOUNT,
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                    data: undefinedSelector,
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                }),
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            );
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        });
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        it('should have an id of 0xf47261b0', async () => {
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            const proxyId = await erc20Proxy.getProxyId.callAsync();
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            const expectedProxyId = '0xf47261b0';
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            expect(proxyId).to.equal(expectedProxyId);
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        });
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        describe('transferFrom', () => {
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            it('should successfully transfer tokens', async () => {
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                // Construct ERC20 asset data
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                const encodedAssetData = assetDataUtils.encodeERC20AssetData(erc20TokenA.address);
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                // Perform a transfer from fromAddress to toAddress
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                const erc20Balances = await erc20Wrapper.getBalancesAsync();
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                const amount = new BigNumber(10);
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                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
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                    encodedAssetData,
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                    fromAddress,
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                    toAddress,
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                    amount,
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                );
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                await web3Wrapper.awaitTransactionSuccessAsync(
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                    await web3Wrapper.sendTransactionAsync({
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                        to: erc20Proxy.address,
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                        data,
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                        from: authorized,
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                    }),
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                    constants.AWAIT_TRANSACTION_MINED_MS,
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                );
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                // Verify transfer was successful
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                const newBalances = await erc20Wrapper.getBalancesAsync();
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                expect(newBalances[fromAddress][erc20TokenA.address]).to.be.bignumber.equal(
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                    erc20Balances[fromAddress][erc20TokenA.address].minus(amount),
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                );
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                expect(newBalances[toAddress][erc20TokenA.address]).to.be.bignumber.equal(
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                    erc20Balances[toAddress][erc20TokenA.address].plus(amount),
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                );
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            });
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            it('should successfully transfer tokens that do not return a value', async () => {
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                // Construct ERC20 asset data
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                const encodedAssetData = assetDataUtils.encodeERC20AssetData(noReturnErc20Token.address);
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                // Perform a transfer from fromAddress to toAddress
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                const initialFromBalance = await noReturnErc20Token.balanceOf.callAsync(fromAddress);
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                const initialToBalance = await noReturnErc20Token.balanceOf.callAsync(toAddress);
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                const amount = new BigNumber(10);
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                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
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                    encodedAssetData,
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                    fromAddress,
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                    toAddress,
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                    amount,
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                );
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                await web3Wrapper.awaitTransactionSuccessAsync(
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                    await web3Wrapper.sendTransactionAsync({
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                        to: erc20Proxy.address,
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                        data,
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                        from: authorized,
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						|
                    }),
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                    constants.AWAIT_TRANSACTION_MINED_MS,
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                );
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                // Verify transfer was successful
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                const newFromBalance = await noReturnErc20Token.balanceOf.callAsync(fromAddress);
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                const newToBalance = await noReturnErc20Token.balanceOf.callAsync(toAddress);
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                expect(newFromBalance).to.be.bignumber.equal(initialFromBalance.minus(amount));
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                expect(newToBalance).to.be.bignumber.equal(initialToBalance.plus(amount));
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            });
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 | 
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            it('should successfully transfer tokens and ignore extra assetData', async () => {
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						|
                // Construct ERC20 asset data
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                const extraData = '0102030405060708';
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                const encodedAssetData = `${assetDataUtils.encodeERC20AssetData(erc20TokenA.address)}${extraData}`;
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                // Perform a transfer from fromAddress to toAddress
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						|
                const erc20Balances = await erc20Wrapper.getBalancesAsync();
 | 
						|
                const amount = new BigNumber(10);
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						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    encodedAssetData,
 | 
						|
                    fromAddress,
 | 
						|
                    toAddress,
 | 
						|
                    amount,
 | 
						|
                );
 | 
						|
                await web3Wrapper.awaitTransactionSuccessAsync(
 | 
						|
                    await web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: erc20Proxy.address,
 | 
						|
                        data,
 | 
						|
                        from: authorized,
 | 
						|
                    }),
 | 
						|
                    constants.AWAIT_TRANSACTION_MINED_MS,
 | 
						|
                );
 | 
						|
                // Verify transfer was successful
 | 
						|
                const newBalances = await erc20Wrapper.getBalancesAsync();
 | 
						|
                expect(newBalances[fromAddress][erc20TokenA.address]).to.be.bignumber.equal(
 | 
						|
                    erc20Balances[fromAddress][erc20TokenA.address].minus(amount),
 | 
						|
                );
 | 
						|
                expect(newBalances[toAddress][erc20TokenA.address]).to.be.bignumber.equal(
 | 
						|
                    erc20Balances[toAddress][erc20TokenA.address].plus(amount),
 | 
						|
                );
 | 
						|
            });
 | 
						|
 | 
						|
            it('should do nothing if transferring 0 amount of a token', async () => {
 | 
						|
                // Construct ERC20 asset data
 | 
						|
                const encodedAssetData = assetDataUtils.encodeERC20AssetData(erc20TokenA.address);
 | 
						|
                // Perform a transfer from fromAddress to toAddress
 | 
						|
                const erc20Balances = await erc20Wrapper.getBalancesAsync();
 | 
						|
                const amount = new BigNumber(0);
 | 
						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    encodedAssetData,
 | 
						|
                    fromAddress,
 | 
						|
                    toAddress,
 | 
						|
                    amount,
 | 
						|
                );
 | 
						|
                await web3Wrapper.awaitTransactionSuccessAsync(
 | 
						|
                    await web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: erc20Proxy.address,
 | 
						|
                        data,
 | 
						|
                        from: authorized,
 | 
						|
                    }),
 | 
						|
                    constants.AWAIT_TRANSACTION_MINED_MS,
 | 
						|
                );
 | 
						|
                // Verify transfer was successful
 | 
						|
                const newBalances = await erc20Wrapper.getBalancesAsync();
 | 
						|
                expect(newBalances[fromAddress][erc20TokenA.address]).to.be.bignumber.equal(
 | 
						|
                    erc20Balances[fromAddress][erc20TokenA.address],
 | 
						|
                );
 | 
						|
                expect(newBalances[toAddress][erc20TokenA.address]).to.be.bignumber.equal(
 | 
						|
                    erc20Balances[toAddress][erc20TokenA.address],
 | 
						|
                );
 | 
						|
            });
 | 
						|
 | 
						|
            it('should revert if allowances are too low', async () => {
 | 
						|
                // Construct ERC20 asset data
 | 
						|
                const encodedAssetData = assetDataUtils.encodeERC20AssetData(erc20TokenA.address);
 | 
						|
                // Create allowance less than transfer amount. Set allowance on proxy.
 | 
						|
                const allowance = new BigNumber(0);
 | 
						|
                const amount = new BigNumber(10);
 | 
						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    encodedAssetData,
 | 
						|
                    fromAddress,
 | 
						|
                    toAddress,
 | 
						|
                    amount,
 | 
						|
                );
 | 
						|
                await erc20TokenA.approve.awaitTransactionSuccessAsync(
 | 
						|
                    erc20Proxy.address,
 | 
						|
                    allowance,
 | 
						|
                    { from: fromAddress },
 | 
						|
                    constants.AWAIT_TRANSACTION_MINED_MS,
 | 
						|
                );
 | 
						|
                const erc20Balances = await erc20Wrapper.getBalancesAsync();
 | 
						|
                // Perform a transfer; expect this to fail.
 | 
						|
                await expectTransactionFailedAsync(
 | 
						|
                    web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: erc20Proxy.address,
 | 
						|
                        data,
 | 
						|
                        from: authorized,
 | 
						|
                    }),
 | 
						|
                    RevertReason.TransferFailed,
 | 
						|
                );
 | 
						|
                const newBalances = await erc20Wrapper.getBalancesAsync();
 | 
						|
                expect(newBalances).to.deep.equal(erc20Balances);
 | 
						|
            });
 | 
						|
 | 
						|
            it('should revert if allowances are too low and token does not return a value', async () => {
 | 
						|
                // Construct ERC20 asset data
 | 
						|
                const encodedAssetData = assetDataUtils.encodeERC20AssetData(noReturnErc20Token.address);
 | 
						|
                // Create allowance less than transfer amount. Set allowance on proxy.
 | 
						|
                const allowance = new BigNumber(0);
 | 
						|
                const amount = new BigNumber(10);
 | 
						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    encodedAssetData,
 | 
						|
                    fromAddress,
 | 
						|
                    toAddress,
 | 
						|
                    amount,
 | 
						|
                );
 | 
						|
                await noReturnErc20Token.approve.awaitTransactionSuccessAsync(
 | 
						|
                    erc20Proxy.address,
 | 
						|
                    allowance,
 | 
						|
                    { from: fromAddress },
 | 
						|
                    constants.AWAIT_TRANSACTION_MINED_MS,
 | 
						|
                );
 | 
						|
                const initialFromBalance = await noReturnErc20Token.balanceOf.callAsync(fromAddress);
 | 
						|
                const initialToBalance = await noReturnErc20Token.balanceOf.callAsync(toAddress);
 | 
						|
                // Perform a transfer; expect this to fail.
 | 
						|
                await expectTransactionFailedAsync(
 | 
						|
                    web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: erc20Proxy.address,
 | 
						|
                        data,
 | 
						|
                        from: authorized,
 | 
						|
                    }),
 | 
						|
                    RevertReason.TransferFailed,
 | 
						|
                );
 | 
						|
                const newFromBalance = await noReturnErc20Token.balanceOf.callAsync(fromAddress);
 | 
						|
                const newToBalance = await noReturnErc20Token.balanceOf.callAsync(toAddress);
 | 
						|
                expect(newFromBalance).to.be.bignumber.equal(initialFromBalance);
 | 
						|
                expect(newToBalance).to.be.bignumber.equal(initialToBalance);
 | 
						|
            });
 | 
						|
 | 
						|
            it('should revert if caller is not authorized', async () => {
 | 
						|
                // Construct ERC20 asset data
 | 
						|
                const encodedAssetData = assetDataUtils.encodeERC20AssetData(erc20TokenA.address);
 | 
						|
                // Perform a transfer from fromAddress to toAddress
 | 
						|
                const amount = new BigNumber(10);
 | 
						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    encodedAssetData,
 | 
						|
                    fromAddress,
 | 
						|
                    toAddress,
 | 
						|
                    amount,
 | 
						|
                );
 | 
						|
                const erc20Balances = await erc20Wrapper.getBalancesAsync();
 | 
						|
                await expectTransactionFailedAsync(
 | 
						|
                    web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: erc20Proxy.address,
 | 
						|
                        data,
 | 
						|
                        from: notAuthorized,
 | 
						|
                    }),
 | 
						|
                    RevertReason.SenderNotAuthorized,
 | 
						|
                );
 | 
						|
                const newBalances = await erc20Wrapper.getBalancesAsync();
 | 
						|
                expect(newBalances).to.deep.equal(erc20Balances);
 | 
						|
            });
 | 
						|
 | 
						|
            it('should revert if token returns more than 32 bytes', async () => {
 | 
						|
                // Construct ERC20 asset data
 | 
						|
                const encodedAssetData = assetDataUtils.encodeERC20AssetData(multipleReturnErc20Token.address);
 | 
						|
                const amount = new BigNumber(10);
 | 
						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    encodedAssetData,
 | 
						|
                    fromAddress,
 | 
						|
                    toAddress,
 | 
						|
                    amount,
 | 
						|
                );
 | 
						|
                const initialFromBalance = await multipleReturnErc20Token.balanceOf.callAsync(fromAddress);
 | 
						|
                const initialToBalance = await multipleReturnErc20Token.balanceOf.callAsync(toAddress);
 | 
						|
                // Perform a transfer; expect this to fail.
 | 
						|
                await expectTransactionFailedAsync(
 | 
						|
                    web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: erc20Proxy.address,
 | 
						|
                        data,
 | 
						|
                        from: authorized,
 | 
						|
                    }),
 | 
						|
                    RevertReason.TransferFailed,
 | 
						|
                );
 | 
						|
                const newFromBalance = await multipleReturnErc20Token.balanceOf.callAsync(fromAddress);
 | 
						|
                const newToBalance = await multipleReturnErc20Token.balanceOf.callAsync(toAddress);
 | 
						|
                expect(newFromBalance).to.be.bignumber.equal(initialFromBalance);
 | 
						|
                expect(newToBalance).to.be.bignumber.equal(initialToBalance);
 | 
						|
            });
 | 
						|
        });
 | 
						|
    });
 | 
						|
 | 
						|
    describe('ERC721Proxy', () => {
 | 
						|
        it('should revert if undefined function is called', async () => {
 | 
						|
            const undefinedSelector = '0x01020304';
 | 
						|
            await expectTransactionFailedWithoutReasonAsync(
 | 
						|
                web3Wrapper.sendTransactionAsync({
 | 
						|
                    from: owner,
 | 
						|
                    to: erc721Proxy.address,
 | 
						|
                    value: constants.ZERO_AMOUNT,
 | 
						|
                    data: undefinedSelector,
 | 
						|
                }),
 | 
						|
            );
 | 
						|
        });
 | 
						|
        it('should have an id of 0x02571792', async () => {
 | 
						|
            const proxyId = await erc721Proxy.getProxyId.callAsync();
 | 
						|
            const expectedProxyId = '0x02571792';
 | 
						|
            expect(proxyId).to.equal(expectedProxyId);
 | 
						|
        });
 | 
						|
        describe('transferFrom', () => {
 | 
						|
            it('should successfully transfer tokens', async () => {
 | 
						|
                // Construct ERC721 asset data
 | 
						|
                const encodedAssetData = assetDataUtils.encodeERC721AssetData(erc721TokenA.address, erc721AFromTokenId);
 | 
						|
                // Verify pre-condition
 | 
						|
                const ownerFromAsset = await erc721TokenA.ownerOf.callAsync(erc721AFromTokenId);
 | 
						|
                expect(ownerFromAsset).to.be.equal(fromAddress);
 | 
						|
                // Perform a transfer from fromAddress to toAddress
 | 
						|
                const amount = new BigNumber(1);
 | 
						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    encodedAssetData,
 | 
						|
                    fromAddress,
 | 
						|
                    toAddress,
 | 
						|
                    amount,
 | 
						|
                );
 | 
						|
                await web3Wrapper.awaitTransactionSuccessAsync(
 | 
						|
                    await web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: erc721Proxy.address,
 | 
						|
                        data,
 | 
						|
                        from: authorized,
 | 
						|
                    }),
 | 
						|
                    constants.AWAIT_TRANSACTION_MINED_MS,
 | 
						|
                );
 | 
						|
                // Verify transfer was successful
 | 
						|
                const newOwnerFromAsset = await erc721TokenA.ownerOf.callAsync(erc721AFromTokenId);
 | 
						|
                expect(newOwnerFromAsset).to.be.bignumber.equal(toAddress);
 | 
						|
            });
 | 
						|
 | 
						|
            it('should successfully transfer tokens and ignore extra assetData', async () => {
 | 
						|
                // Construct ERC721 asset data
 | 
						|
                const extraData = '0102030405060708';
 | 
						|
                const encodedAssetData = `${assetDataUtils.encodeERC721AssetData(
 | 
						|
                    erc721TokenA.address,
 | 
						|
                    erc721AFromTokenId,
 | 
						|
                )}${extraData}`;
 | 
						|
                // Verify pre-condition
 | 
						|
                const ownerFromAsset = await erc721TokenA.ownerOf.callAsync(erc721AFromTokenId);
 | 
						|
                expect(ownerFromAsset).to.be.equal(fromAddress);
 | 
						|
                // Perform a transfer from fromAddress to toAddress
 | 
						|
                const amount = new BigNumber(1);
 | 
						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    encodedAssetData,
 | 
						|
                    fromAddress,
 | 
						|
                    toAddress,
 | 
						|
                    amount,
 | 
						|
                );
 | 
						|
                await web3Wrapper.awaitTransactionSuccessAsync(
 | 
						|
                    await web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: erc721Proxy.address,
 | 
						|
                        data,
 | 
						|
                        from: authorized,
 | 
						|
                    }),
 | 
						|
                    constants.AWAIT_TRANSACTION_MINED_MS,
 | 
						|
                );
 | 
						|
                // Verify transfer was successful
 | 
						|
                const newOwnerFromAsset = await erc721TokenA.ownerOf.callAsync(erc721AFromTokenId);
 | 
						|
                expect(newOwnerFromAsset).to.be.bignumber.equal(toAddress);
 | 
						|
            });
 | 
						|
 | 
						|
            it('should not call onERC721Received when transferring to a smart contract', async () => {
 | 
						|
                // Construct ERC721 asset data
 | 
						|
                const encodedAssetData = assetDataUtils.encodeERC721AssetData(erc721TokenA.address, erc721AFromTokenId);
 | 
						|
                // Verify pre-condition
 | 
						|
                const ownerFromAsset = await erc721TokenA.ownerOf.callAsync(erc721AFromTokenId);
 | 
						|
                expect(ownerFromAsset).to.be.equal(fromAddress);
 | 
						|
                // Perform a transfer from fromAddress to toAddress
 | 
						|
                const amount = new BigNumber(1);
 | 
						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    encodedAssetData,
 | 
						|
                    fromAddress,
 | 
						|
                    erc721Receiver.address,
 | 
						|
                    amount,
 | 
						|
                );
 | 
						|
                const logDecoder = new LogDecoder(web3Wrapper, { ...artifacts, ...erc721Artifacts });
 | 
						|
                const tx = await logDecoder.getTxWithDecodedLogsAsync(
 | 
						|
                    await web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: erc721Proxy.address,
 | 
						|
                        data,
 | 
						|
                        from: authorized,
 | 
						|
                        gas: constants.MAX_TRANSFER_FROM_GAS,
 | 
						|
                    }),
 | 
						|
                );
 | 
						|
                // Verify that no log was emitted by erc721 receiver
 | 
						|
                expect(tx.logs.length).to.be.equal(1);
 | 
						|
                // Verify transfer was successful
 | 
						|
                const newOwnerFromAsset = await erc721TokenA.ownerOf.callAsync(erc721AFromTokenId);
 | 
						|
                expect(newOwnerFromAsset).to.be.bignumber.equal(erc721Receiver.address);
 | 
						|
            });
 | 
						|
 | 
						|
            it('should revert if transferring 0 amount of a token', async () => {
 | 
						|
                // Construct ERC721 asset data
 | 
						|
                const encodedAssetData = assetDataUtils.encodeERC721AssetData(erc721TokenA.address, erc721AFromTokenId);
 | 
						|
                // Verify pre-condition
 | 
						|
                const ownerFromAsset = await erc721TokenA.ownerOf.callAsync(erc721AFromTokenId);
 | 
						|
                expect(ownerFromAsset).to.be.equal(fromAddress);
 | 
						|
                // Perform a transfer from fromAddress to toAddress
 | 
						|
                const amount = new BigNumber(0);
 | 
						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    encodedAssetData,
 | 
						|
                    fromAddress,
 | 
						|
                    toAddress,
 | 
						|
                    amount,
 | 
						|
                );
 | 
						|
                await expectTransactionFailedAsync(
 | 
						|
                    web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: erc721Proxy.address,
 | 
						|
                        data,
 | 
						|
                        from: authorized,
 | 
						|
                    }),
 | 
						|
                    RevertReason.InvalidAmount,
 | 
						|
                );
 | 
						|
                const newOwner = await erc721TokenA.ownerOf.callAsync(erc721AFromTokenId);
 | 
						|
                expect(newOwner).to.be.equal(ownerFromAsset);
 | 
						|
            });
 | 
						|
 | 
						|
            it('should revert if transferring > 1 amount of a token', async () => {
 | 
						|
                // Construct ERC721 asset data
 | 
						|
                const encodedAssetData = assetDataUtils.encodeERC721AssetData(erc721TokenA.address, erc721AFromTokenId);
 | 
						|
                // Verify pre-condition
 | 
						|
                const ownerFromAsset = await erc721TokenA.ownerOf.callAsync(erc721AFromTokenId);
 | 
						|
                expect(ownerFromAsset).to.be.equal(fromAddress);
 | 
						|
                // Perform a transfer from fromAddress to toAddress
 | 
						|
                const amount = new BigNumber(500);
 | 
						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    encodedAssetData,
 | 
						|
                    fromAddress,
 | 
						|
                    toAddress,
 | 
						|
                    amount,
 | 
						|
                );
 | 
						|
                await expectTransactionFailedAsync(
 | 
						|
                    web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: erc721Proxy.address,
 | 
						|
                        data,
 | 
						|
                        from: authorized,
 | 
						|
                    }),
 | 
						|
                    RevertReason.InvalidAmount,
 | 
						|
                );
 | 
						|
                const newOwner = await erc721TokenA.ownerOf.callAsync(erc721AFromTokenId);
 | 
						|
                expect(newOwner).to.be.equal(ownerFromAsset);
 | 
						|
            });
 | 
						|
 | 
						|
            it('should revert if allowances are too low', async () => {
 | 
						|
                // Construct ERC721 asset data
 | 
						|
                const encodedAssetData = assetDataUtils.encodeERC721AssetData(erc721TokenA.address, erc721AFromTokenId);
 | 
						|
                // Verify pre-condition
 | 
						|
                const ownerFromAsset = await erc721TokenA.ownerOf.callAsync(erc721AFromTokenId);
 | 
						|
                expect(ownerFromAsset).to.be.equal(fromAddress);
 | 
						|
                // Remove transfer approval for fromAddress.
 | 
						|
                await erc721TokenA.approve.awaitTransactionSuccessAsync(
 | 
						|
                    constants.NULL_ADDRESS,
 | 
						|
                    erc721AFromTokenId,
 | 
						|
                    { from: fromAddress },
 | 
						|
                    constants.AWAIT_TRANSACTION_MINED_MS,
 | 
						|
                );
 | 
						|
                // Perform a transfer; expect this to fail.
 | 
						|
                const amount = new BigNumber(1);
 | 
						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    encodedAssetData,
 | 
						|
                    fromAddress,
 | 
						|
                    toAddress,
 | 
						|
                    amount,
 | 
						|
                );
 | 
						|
                await expectTransactionFailedAsync(
 | 
						|
                    web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: erc721Proxy.address,
 | 
						|
                        data,
 | 
						|
                        from: authorized,
 | 
						|
                    }),
 | 
						|
                    RevertReason.TransferFailed,
 | 
						|
                );
 | 
						|
                const newOwner = await erc721TokenA.ownerOf.callAsync(erc721AFromTokenId);
 | 
						|
                expect(newOwner).to.be.equal(ownerFromAsset);
 | 
						|
            });
 | 
						|
 | 
						|
            it('should revert if caller is not authorized', async () => {
 | 
						|
                // Construct ERC721 asset data
 | 
						|
                const encodedAssetData = assetDataUtils.encodeERC721AssetData(erc721TokenA.address, erc721AFromTokenId);
 | 
						|
                // Verify pre-condition
 | 
						|
                const ownerFromAsset = await erc721TokenA.ownerOf.callAsync(erc721AFromTokenId);
 | 
						|
                expect(ownerFromAsset).to.be.equal(fromAddress);
 | 
						|
                // Perform a transfer from fromAddress to toAddress
 | 
						|
                const amount = new BigNumber(1);
 | 
						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    encodedAssetData,
 | 
						|
                    fromAddress,
 | 
						|
                    toAddress,
 | 
						|
                    amount,
 | 
						|
                );
 | 
						|
                await expectTransactionFailedAsync(
 | 
						|
                    web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: erc721Proxy.address,
 | 
						|
                        data,
 | 
						|
                        from: notAuthorized,
 | 
						|
                    }),
 | 
						|
                    RevertReason.SenderNotAuthorized,
 | 
						|
                );
 | 
						|
                const newOwner = await erc721TokenA.ownerOf.callAsync(erc721AFromTokenId);
 | 
						|
                expect(newOwner).to.be.equal(ownerFromAsset);
 | 
						|
            });
 | 
						|
        });
 | 
						|
    });
 | 
						|
    describe('MultiAssetProxy', () => {
 | 
						|
        it('should revert if undefined function is called', async () => {
 | 
						|
            const undefinedSelector = '0x01020304';
 | 
						|
            await expectTransactionFailedWithoutReasonAsync(
 | 
						|
                web3Wrapper.sendTransactionAsync({
 | 
						|
                    from: owner,
 | 
						|
                    to: multiAssetProxy.address,
 | 
						|
                    value: constants.ZERO_AMOUNT,
 | 
						|
                    data: undefinedSelector,
 | 
						|
                }),
 | 
						|
            );
 | 
						|
        });
 | 
						|
        it('should have an id of 0x94cfcdd7', async () => {
 | 
						|
            const proxyId = await multiAssetProxy.getProxyId.callAsync();
 | 
						|
            // first 4 bytes of `keccak256('MultiAsset(uint256[],bytes[])')`
 | 
						|
            const expectedProxyId = '0x94cfcdd7';
 | 
						|
            expect(proxyId).to.equal(expectedProxyId);
 | 
						|
        });
 | 
						|
        describe('transferFrom', () => {
 | 
						|
            it('should transfer a single ERC20 token', async () => {
 | 
						|
                const inputAmount = new BigNumber(1);
 | 
						|
                const erc20Amount = new BigNumber(10);
 | 
						|
                const erc20AssetData = assetDataUtils.encodeERC20AssetData(erc20TokenA.address);
 | 
						|
                const amounts = [erc20Amount];
 | 
						|
                const nestedAssetData = [erc20AssetData];
 | 
						|
                const assetData = assetDataUtils.encodeMultiAssetData(amounts, nestedAssetData);
 | 
						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    assetData,
 | 
						|
                    fromAddress,
 | 
						|
                    toAddress,
 | 
						|
                    inputAmount,
 | 
						|
                );
 | 
						|
                const erc20Balances = await erc20Wrapper.getBalancesAsync();
 | 
						|
                await web3Wrapper.awaitTransactionSuccessAsync(
 | 
						|
                    await web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: multiAssetProxy.address,
 | 
						|
                        data,
 | 
						|
                        from: authorized,
 | 
						|
                    }),
 | 
						|
                    constants.AWAIT_TRANSACTION_MINED_MS,
 | 
						|
                );
 | 
						|
                const newBalances = await erc20Wrapper.getBalancesAsync();
 | 
						|
                const totalAmount = inputAmount.times(erc20Amount);
 | 
						|
                expect(newBalances[fromAddress][erc20TokenA.address]).to.be.bignumber.equal(
 | 
						|
                    erc20Balances[fromAddress][erc20TokenA.address].minus(totalAmount),
 | 
						|
                );
 | 
						|
                expect(newBalances[toAddress][erc20TokenA.address]).to.be.bignumber.equal(
 | 
						|
                    erc20Balances[toAddress][erc20TokenA.address].plus(totalAmount),
 | 
						|
                );
 | 
						|
            });
 | 
						|
            it('should dispatch an ERC20 transfer when input amount is 0', async () => {
 | 
						|
                const inputAmount = constants.ZERO_AMOUNT;
 | 
						|
                const erc20Amount = new BigNumber(10);
 | 
						|
                const erc20AssetData = assetDataUtils.encodeERC20AssetData(erc20TokenA.address);
 | 
						|
                const amounts = [erc20Amount];
 | 
						|
                const nestedAssetData = [erc20AssetData];
 | 
						|
                const assetData = assetDataInterface.MultiAsset.getABIEncodedTransactionData(amounts, nestedAssetData);
 | 
						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    assetData,
 | 
						|
                    fromAddress,
 | 
						|
                    toAddress,
 | 
						|
                    inputAmount,
 | 
						|
                );
 | 
						|
                const erc20Balances = await erc20Wrapper.getBalancesAsync();
 | 
						|
                const logDecoder = new LogDecoder(web3Wrapper, { ...artifacts, ...erc20Artifacts });
 | 
						|
                const tx = await logDecoder.getTxWithDecodedLogsAsync(
 | 
						|
                    await web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: multiAssetProxy.address,
 | 
						|
                        data,
 | 
						|
                        from: authorized,
 | 
						|
                    }),
 | 
						|
                );
 | 
						|
                expect(tx.logs.length).to.be.equal(1);
 | 
						|
                const log = tx.logs[0] as LogWithDecodedArgs<DummyERC20TokenTransferEventArgs>;
 | 
						|
                const transferEventName = 'Transfer';
 | 
						|
                expect(log.event).to.equal(transferEventName);
 | 
						|
                expect(log.args._value).to.be.bignumber.equal(constants.ZERO_AMOUNT);
 | 
						|
                const newBalances = await erc20Wrapper.getBalancesAsync();
 | 
						|
                expect(newBalances).to.deep.equal(erc20Balances);
 | 
						|
            });
 | 
						|
            it('should successfully transfer multiple of the same ERC20 token', async () => {
 | 
						|
                const inputAmount = new BigNumber(1);
 | 
						|
                const erc20Amount1 = new BigNumber(10);
 | 
						|
                const erc20Amount2 = new BigNumber(20);
 | 
						|
                const erc20AssetData1 = assetDataUtils.encodeERC20AssetData(erc20TokenA.address);
 | 
						|
                const erc20AssetData2 = assetDataUtils.encodeERC20AssetData(erc20TokenA.address);
 | 
						|
                const amounts = [erc20Amount1, erc20Amount2];
 | 
						|
                const nestedAssetData = [erc20AssetData1, erc20AssetData2];
 | 
						|
                const assetData = assetDataUtils.encodeMultiAssetData(amounts, nestedAssetData);
 | 
						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    assetData,
 | 
						|
                    fromAddress,
 | 
						|
                    toAddress,
 | 
						|
                    inputAmount,
 | 
						|
                );
 | 
						|
                const erc20Balances = await erc20Wrapper.getBalancesAsync();
 | 
						|
                await web3Wrapper.awaitTransactionSuccessAsync(
 | 
						|
                    await web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: multiAssetProxy.address,
 | 
						|
                        data,
 | 
						|
                        from: authorized,
 | 
						|
                    }),
 | 
						|
                    constants.AWAIT_TRANSACTION_MINED_MS,
 | 
						|
                );
 | 
						|
                const newBalances = await erc20Wrapper.getBalancesAsync();
 | 
						|
                const totalAmount = inputAmount.times(erc20Amount1).plus(inputAmount.times(erc20Amount2));
 | 
						|
                expect(newBalances[fromAddress][erc20TokenA.address]).to.be.bignumber.equal(
 | 
						|
                    erc20Balances[fromAddress][erc20TokenA.address].minus(totalAmount),
 | 
						|
                );
 | 
						|
                expect(newBalances[toAddress][erc20TokenA.address]).to.be.bignumber.equal(
 | 
						|
                    erc20Balances[toAddress][erc20TokenA.address].plus(totalAmount),
 | 
						|
                );
 | 
						|
            });
 | 
						|
            it('should successfully transfer multiple different ERC20 tokens', async () => {
 | 
						|
                const inputAmount = new BigNumber(1);
 | 
						|
                const erc20Amount1 = new BigNumber(10);
 | 
						|
                const erc20Amount2 = new BigNumber(20);
 | 
						|
                const erc20AssetData1 = assetDataUtils.encodeERC20AssetData(erc20TokenA.address);
 | 
						|
                const erc20AssetData2 = assetDataUtils.encodeERC20AssetData(erc20TokenB.address);
 | 
						|
                const amounts = [erc20Amount1, erc20Amount2];
 | 
						|
                const nestedAssetData = [erc20AssetData1, erc20AssetData2];
 | 
						|
                const assetData = assetDataUtils.encodeMultiAssetData(amounts, nestedAssetData);
 | 
						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    assetData,
 | 
						|
                    fromAddress,
 | 
						|
                    toAddress,
 | 
						|
                    inputAmount,
 | 
						|
                );
 | 
						|
                const erc20Balances = await erc20Wrapper.getBalancesAsync();
 | 
						|
                await web3Wrapper.awaitTransactionSuccessAsync(
 | 
						|
                    await web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: multiAssetProxy.address,
 | 
						|
                        data,
 | 
						|
                        from: authorized,
 | 
						|
                    }),
 | 
						|
                    constants.AWAIT_TRANSACTION_MINED_MS,
 | 
						|
                );
 | 
						|
                const newBalances = await erc20Wrapper.getBalancesAsync();
 | 
						|
                const totalErc20AAmount = inputAmount.times(erc20Amount1);
 | 
						|
                const totalErc20BAmount = inputAmount.times(erc20Amount2);
 | 
						|
                expect(newBalances[fromAddress][erc20TokenA.address]).to.be.bignumber.equal(
 | 
						|
                    erc20Balances[fromAddress][erc20TokenA.address].minus(totalErc20AAmount),
 | 
						|
                );
 | 
						|
                expect(newBalances[toAddress][erc20TokenA.address]).to.be.bignumber.equal(
 | 
						|
                    erc20Balances[toAddress][erc20TokenA.address].plus(totalErc20AAmount),
 | 
						|
                );
 | 
						|
                expect(newBalances[fromAddress][erc20TokenB.address]).to.be.bignumber.equal(
 | 
						|
                    erc20Balances[fromAddress][erc20TokenB.address].minus(totalErc20BAmount),
 | 
						|
                );
 | 
						|
                expect(newBalances[toAddress][erc20TokenB.address]).to.be.bignumber.equal(
 | 
						|
                    erc20Balances[toAddress][erc20TokenB.address].plus(totalErc20BAmount),
 | 
						|
                );
 | 
						|
            });
 | 
						|
            it('should transfer a single ERC721 token', async () => {
 | 
						|
                const inputAmount = new BigNumber(1);
 | 
						|
                const erc721Amount = new BigNumber(1);
 | 
						|
                const erc721AssetData = assetDataUtils.encodeERC721AssetData(erc721TokenA.address, erc721AFromTokenId);
 | 
						|
                const amounts = [erc721Amount];
 | 
						|
                const nestedAssetData = [erc721AssetData];
 | 
						|
                const assetData = assetDataUtils.encodeMultiAssetData(amounts, nestedAssetData);
 | 
						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    assetData,
 | 
						|
                    fromAddress,
 | 
						|
                    toAddress,
 | 
						|
                    inputAmount,
 | 
						|
                );
 | 
						|
                const ownerFromAsset = await erc721TokenA.ownerOf.callAsync(erc721AFromTokenId);
 | 
						|
                expect(ownerFromAsset).to.be.equal(fromAddress);
 | 
						|
                await web3Wrapper.awaitTransactionSuccessAsync(
 | 
						|
                    await web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: multiAssetProxy.address,
 | 
						|
                        data,
 | 
						|
                        from: authorized,
 | 
						|
                    }),
 | 
						|
                    constants.AWAIT_TRANSACTION_MINED_MS,
 | 
						|
                );
 | 
						|
                const newOwnerFromAsset = await erc721TokenA.ownerOf.callAsync(erc721AFromTokenId);
 | 
						|
                expect(newOwnerFromAsset).to.be.equal(toAddress);
 | 
						|
            });
 | 
						|
            it('should successfully transfer multiple of the same ERC721 token', async () => {
 | 
						|
                const erc721Balances = await erc721Wrapper.getBalancesAsync();
 | 
						|
                const erc721AFromTokenId2 = erc721Balances[fromAddress][erc721TokenA.address][1];
 | 
						|
                const erc721AssetData1 = assetDataUtils.encodeERC721AssetData(erc721TokenA.address, erc721AFromTokenId);
 | 
						|
                const erc721AssetData2 = assetDataUtils.encodeERC721AssetData(
 | 
						|
                    erc721TokenA.address,
 | 
						|
                    erc721AFromTokenId2,
 | 
						|
                );
 | 
						|
                const inputAmount = new BigNumber(1);
 | 
						|
                const erc721Amount = new BigNumber(1);
 | 
						|
                const amounts = [erc721Amount, erc721Amount];
 | 
						|
                const nestedAssetData = [erc721AssetData1, erc721AssetData2];
 | 
						|
                const assetData = assetDataUtils.encodeMultiAssetData(amounts, nestedAssetData);
 | 
						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    assetData,
 | 
						|
                    fromAddress,
 | 
						|
                    toAddress,
 | 
						|
                    inputAmount,
 | 
						|
                );
 | 
						|
                const ownerFromAsset1 = await erc721TokenA.ownerOf.callAsync(erc721AFromTokenId);
 | 
						|
                expect(ownerFromAsset1).to.be.equal(fromAddress);
 | 
						|
                const ownerFromAsset2 = await erc721TokenA.ownerOf.callAsync(erc721AFromTokenId2);
 | 
						|
                expect(ownerFromAsset2).to.be.equal(fromAddress);
 | 
						|
                await web3Wrapper.awaitTransactionSuccessAsync(
 | 
						|
                    await web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: multiAssetProxy.address,
 | 
						|
                        data,
 | 
						|
                        from: authorized,
 | 
						|
                        gas: constants.MAX_TRANSFER_FROM_GAS,
 | 
						|
                    }),
 | 
						|
                    constants.AWAIT_TRANSACTION_MINED_MS,
 | 
						|
                );
 | 
						|
                const newOwnerFromAsset1 = await erc721TokenA.ownerOf.callAsync(erc721AFromTokenId);
 | 
						|
                const newOwnerFromAsset2 = await erc721TokenA.ownerOf.callAsync(erc721AFromTokenId2);
 | 
						|
                expect(newOwnerFromAsset1).to.be.equal(toAddress);
 | 
						|
                expect(newOwnerFromAsset2).to.be.equal(toAddress);
 | 
						|
            });
 | 
						|
            it('should successfully transfer multiple different ERC721 tokens', async () => {
 | 
						|
                const erc721AssetData1 = assetDataUtils.encodeERC721AssetData(erc721TokenA.address, erc721AFromTokenId);
 | 
						|
                const erc721AssetData2 = assetDataUtils.encodeERC721AssetData(erc721TokenB.address, erc721BFromTokenId);
 | 
						|
                const inputAmount = new BigNumber(1);
 | 
						|
                const erc721Amount = new BigNumber(1);
 | 
						|
                const amounts = [erc721Amount, erc721Amount];
 | 
						|
                const nestedAssetData = [erc721AssetData1, erc721AssetData2];
 | 
						|
                const assetData = assetDataUtils.encodeMultiAssetData(amounts, nestedAssetData);
 | 
						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    assetData,
 | 
						|
                    fromAddress,
 | 
						|
                    toAddress,
 | 
						|
                    inputAmount,
 | 
						|
                );
 | 
						|
                const ownerFromAsset1 = await erc721TokenA.ownerOf.callAsync(erc721AFromTokenId);
 | 
						|
                expect(ownerFromAsset1).to.be.equal(fromAddress);
 | 
						|
                const ownerFromAsset2 = await erc721TokenB.ownerOf.callAsync(erc721BFromTokenId);
 | 
						|
                expect(ownerFromAsset2).to.be.equal(fromAddress);
 | 
						|
                await web3Wrapper.awaitTransactionSuccessAsync(
 | 
						|
                    await web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: multiAssetProxy.address,
 | 
						|
                        data,
 | 
						|
                        from: authorized,
 | 
						|
                        gas: constants.MAX_TRANSFER_FROM_GAS,
 | 
						|
                    }),
 | 
						|
                    constants.AWAIT_TRANSACTION_MINED_MS,
 | 
						|
                );
 | 
						|
                const newOwnerFromAsset1 = await erc721TokenA.ownerOf.callAsync(erc721AFromTokenId);
 | 
						|
                const newOwnerFromAsset2 = await erc721TokenB.ownerOf.callAsync(erc721BFromTokenId);
 | 
						|
                expect(newOwnerFromAsset1).to.be.equal(toAddress);
 | 
						|
                expect(newOwnerFromAsset2).to.be.equal(toAddress);
 | 
						|
            });
 | 
						|
            it('should transfer a fungible ERC1155 token', async () => {
 | 
						|
                // setup test parameters
 | 
						|
                const tokenHolders = [fromAddress, toAddress];
 | 
						|
                const tokensToTransfer = erc1155FungibleTokens.slice(0, 1);
 | 
						|
                const valuesToTransfer = [new BigNumber(25)];
 | 
						|
                const valueMultiplier = new BigNumber(23);
 | 
						|
                const receiverCallbackData = '0x0102030405';
 | 
						|
                // check balances before transfer
 | 
						|
                const expectedInitialBalances = [
 | 
						|
                    // from
 | 
						|
                    constants.INITIAL_ERC1155_FUNGIBLE_BALANCE,
 | 
						|
                    // to
 | 
						|
                    constants.INITIAL_ERC1155_FUNGIBLE_BALANCE,
 | 
						|
                ];
 | 
						|
                await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedInitialBalances);
 | 
						|
                // encode erc1155 asset data
 | 
						|
                const erc1155AssetData = assetDataUtils.encodeERC1155AssetData(
 | 
						|
                    erc1155Contract.address,
 | 
						|
                    tokensToTransfer,
 | 
						|
                    valuesToTransfer,
 | 
						|
                    receiverCallbackData,
 | 
						|
                );
 | 
						|
                // encode multi-asset data
 | 
						|
                const multiAssetAmount = new BigNumber(5);
 | 
						|
                const amounts = [valueMultiplier];
 | 
						|
                const nestedAssetData = [erc1155AssetData];
 | 
						|
                const assetData = assetDataUtils.encodeMultiAssetData(amounts, nestedAssetData);
 | 
						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    assetData,
 | 
						|
                    fromAddress,
 | 
						|
                    toAddress,
 | 
						|
                    multiAssetAmount,
 | 
						|
                );
 | 
						|
                // execute transfer
 | 
						|
                await web3Wrapper.awaitTransactionSuccessAsync(
 | 
						|
                    await web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: multiAssetProxy.address,
 | 
						|
                        data,
 | 
						|
                        from: authorized,
 | 
						|
                    }),
 | 
						|
                    constants.AWAIT_TRANSACTION_MINED_MS,
 | 
						|
                );
 | 
						|
                // check balances
 | 
						|
                const totalValueTransferred = valuesToTransfer[0].times(valueMultiplier).times(multiAssetAmount);
 | 
						|
                const expectedFinalBalances = [
 | 
						|
                    // from
 | 
						|
                    expectedInitialBalances[0].minus(totalValueTransferred),
 | 
						|
                    // to
 | 
						|
                    expectedInitialBalances[1].plus(totalValueTransferred),
 | 
						|
                ];
 | 
						|
                await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedFinalBalances);
 | 
						|
            });
 | 
						|
            it('should successfully transfer multiple fungible tokens of the same ERC1155 contract', async () => {
 | 
						|
                // setup test parameters
 | 
						|
                const tokenHolders = [fromAddress, toAddress];
 | 
						|
                const tokensToTransfer = erc1155FungibleTokens.slice(0, 3);
 | 
						|
                const valuesToTransfer = [new BigNumber(25), new BigNumber(35), new BigNumber(45)];
 | 
						|
                const valueMultiplier = new BigNumber(23);
 | 
						|
                const receiverCallbackData = '0x0102030405';
 | 
						|
                // check balances before transfer
 | 
						|
                const expectedInitialBalances = [
 | 
						|
                    // from
 | 
						|
                    constants.INITIAL_ERC1155_FUNGIBLE_BALANCE,
 | 
						|
                    constants.INITIAL_ERC1155_FUNGIBLE_BALANCE,
 | 
						|
                    constants.INITIAL_ERC1155_FUNGIBLE_BALANCE,
 | 
						|
                    // to
 | 
						|
                    constants.INITIAL_ERC1155_FUNGIBLE_BALANCE,
 | 
						|
                    constants.INITIAL_ERC1155_FUNGIBLE_BALANCE,
 | 
						|
                    constants.INITIAL_ERC1155_FUNGIBLE_BALANCE,
 | 
						|
                ];
 | 
						|
                await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedInitialBalances);
 | 
						|
                // encode erc1155 asset data
 | 
						|
                const erc1155AssetData = assetDataUtils.encodeERC1155AssetData(
 | 
						|
                    erc1155Contract.address,
 | 
						|
                    tokensToTransfer,
 | 
						|
                    valuesToTransfer,
 | 
						|
                    receiverCallbackData,
 | 
						|
                );
 | 
						|
                // encode multi-asset data
 | 
						|
                const multiAssetAmount = new BigNumber(5);
 | 
						|
                const amounts = [valueMultiplier];
 | 
						|
                const nestedAssetData = [erc1155AssetData];
 | 
						|
                const assetData = assetDataUtils.encodeMultiAssetData(amounts, nestedAssetData);
 | 
						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    assetData,
 | 
						|
                    fromAddress,
 | 
						|
                    toAddress,
 | 
						|
                    multiAssetAmount,
 | 
						|
                );
 | 
						|
                // execute transfer
 | 
						|
                await web3Wrapper.awaitTransactionSuccessAsync(
 | 
						|
                    await web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: multiAssetProxy.address,
 | 
						|
                        data,
 | 
						|
                        from: authorized,
 | 
						|
                    }),
 | 
						|
                    constants.AWAIT_TRANSACTION_MINED_MS,
 | 
						|
                );
 | 
						|
                // check balances
 | 
						|
                const totalValuesTransferred = _.map(valuesToTransfer, (value: BigNumber) => {
 | 
						|
                    return value.times(valueMultiplier).times(multiAssetAmount);
 | 
						|
                });
 | 
						|
                const expectedFinalBalances = [
 | 
						|
                    // from
 | 
						|
                    expectedInitialBalances[0].minus(totalValuesTransferred[0]),
 | 
						|
                    expectedInitialBalances[1].minus(totalValuesTransferred[1]),
 | 
						|
                    expectedInitialBalances[2].minus(totalValuesTransferred[2]),
 | 
						|
                    // to
 | 
						|
                    expectedInitialBalances[3].plus(totalValuesTransferred[0]),
 | 
						|
                    expectedInitialBalances[4].plus(totalValuesTransferred[1]),
 | 
						|
                    expectedInitialBalances[5].plus(totalValuesTransferred[2]),
 | 
						|
                ];
 | 
						|
                await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedFinalBalances);
 | 
						|
            });
 | 
						|
            it('should successfully transfer multiple fungible/non-fungible tokens of the same ERC1155 contract', async () => {
 | 
						|
                // setup test parameters
 | 
						|
                const tokenHolders = [fromAddress, toAddress];
 | 
						|
                const fungibleTokensToTransfer = erc1155FungibleTokens.slice(0, 1);
 | 
						|
                const nonFungibleTokensToTransfer = erc1155NonFungibleTokensOwnedBySpender.slice(0, 1);
 | 
						|
                const tokensToTransfer = fungibleTokensToTransfer.concat(nonFungibleTokensToTransfer);
 | 
						|
                const valuesToTransfer = [new BigNumber(25), new BigNumber(1)];
 | 
						|
                const valueMultiplier = new BigNumber(1);
 | 
						|
                const receiverCallbackData = '0x0102030405';
 | 
						|
                // check balances before transfer
 | 
						|
                const nftOwnerBalance = new BigNumber(1);
 | 
						|
                const nftNotOwnerBalance = new BigNumber(0);
 | 
						|
                const expectedInitialBalances = [
 | 
						|
                    // from
 | 
						|
                    constants.INITIAL_ERC1155_FUNGIBLE_BALANCE,
 | 
						|
                    nftOwnerBalance,
 | 
						|
                    // to
 | 
						|
                    constants.INITIAL_ERC1155_FUNGIBLE_BALANCE,
 | 
						|
                    nftNotOwnerBalance,
 | 
						|
                ];
 | 
						|
                await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedInitialBalances);
 | 
						|
                // encode erc1155 asset data
 | 
						|
                const erc1155AssetData = assetDataUtils.encodeERC1155AssetData(
 | 
						|
                    erc1155Contract.address,
 | 
						|
                    tokensToTransfer,
 | 
						|
                    valuesToTransfer,
 | 
						|
                    receiverCallbackData,
 | 
						|
                );
 | 
						|
                // encode multi-asset data
 | 
						|
                const multiAssetAmount = new BigNumber(1);
 | 
						|
                const amounts = [valueMultiplier];
 | 
						|
                const nestedAssetData = [erc1155AssetData];
 | 
						|
                const assetData = assetDataUtils.encodeMultiAssetData(amounts, nestedAssetData);
 | 
						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    assetData,
 | 
						|
                    fromAddress,
 | 
						|
                    toAddress,
 | 
						|
                    multiAssetAmount,
 | 
						|
                );
 | 
						|
                // execute transfer
 | 
						|
                await web3Wrapper.awaitTransactionSuccessAsync(
 | 
						|
                    await web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: multiAssetProxy.address,
 | 
						|
                        data,
 | 
						|
                        from: authorized,
 | 
						|
                    }),
 | 
						|
                    constants.AWAIT_TRANSACTION_MINED_MS,
 | 
						|
                );
 | 
						|
                // check balances
 | 
						|
                const totalValuesTransferred = _.map(valuesToTransfer, (value: BigNumber) => {
 | 
						|
                    return value.times(valueMultiplier).times(multiAssetAmount);
 | 
						|
                });
 | 
						|
                const expectedFinalBalances = [
 | 
						|
                    // from
 | 
						|
                    expectedInitialBalances[0].minus(totalValuesTransferred[0]),
 | 
						|
                    expectedInitialBalances[1].minus(totalValuesTransferred[1]),
 | 
						|
                    // to
 | 
						|
                    expectedInitialBalances[2].plus(totalValuesTransferred[0]),
 | 
						|
                    expectedInitialBalances[3].plus(totalValuesTransferred[1]),
 | 
						|
                ];
 | 
						|
                await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedFinalBalances);
 | 
						|
            });
 | 
						|
            it('should successfully transfer multiple different ERC1155 tokens', async () => {
 | 
						|
                // setup test parameters
 | 
						|
                const tokenHolders = [fromAddress, toAddress];
 | 
						|
                const tokensToTransfer = erc1155FungibleTokens.slice(0, 1);
 | 
						|
                const valuesToTransfer = [new BigNumber(25)];
 | 
						|
                const valueMultiplier = new BigNumber(23);
 | 
						|
                const receiverCallbackData = '0x0102030405';
 | 
						|
                // check balances before transfer
 | 
						|
                const expectedInitialBalances = [
 | 
						|
                    // from
 | 
						|
                    constants.INITIAL_ERC1155_FUNGIBLE_BALANCE,
 | 
						|
                    // to
 | 
						|
                    constants.INITIAL_ERC1155_FUNGIBLE_BALANCE,
 | 
						|
                ];
 | 
						|
                await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedInitialBalances);
 | 
						|
                await erc1155Wrapper2.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedInitialBalances);
 | 
						|
                // encode erc1155 asset data
 | 
						|
                const erc1155AssetData1 = assetDataUtils.encodeERC1155AssetData(
 | 
						|
                    erc1155Contract.address,
 | 
						|
                    tokensToTransfer,
 | 
						|
                    valuesToTransfer,
 | 
						|
                    receiverCallbackData,
 | 
						|
                );
 | 
						|
                const erc1155AssetData2 = assetDataUtils.encodeERC1155AssetData(
 | 
						|
                    erc1155Contract2.address,
 | 
						|
                    tokensToTransfer,
 | 
						|
                    valuesToTransfer,
 | 
						|
                    receiverCallbackData,
 | 
						|
                );
 | 
						|
                // encode multi-asset data
 | 
						|
                const multiAssetAmount = new BigNumber(5);
 | 
						|
                const amounts = [valueMultiplier, valueMultiplier];
 | 
						|
                const nestedAssetData = [erc1155AssetData1, erc1155AssetData2];
 | 
						|
                const assetData = assetDataUtils.encodeMultiAssetData(amounts, nestedAssetData);
 | 
						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    assetData,
 | 
						|
                    fromAddress,
 | 
						|
                    toAddress,
 | 
						|
                    multiAssetAmount,
 | 
						|
                );
 | 
						|
                // execute transfer
 | 
						|
                await web3Wrapper.awaitTransactionSuccessAsync(
 | 
						|
                    await web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: multiAssetProxy.address,
 | 
						|
                        data,
 | 
						|
                        from: authorized,
 | 
						|
                    }),
 | 
						|
                    constants.AWAIT_TRANSACTION_MINED_MS,
 | 
						|
                );
 | 
						|
                // check balances
 | 
						|
                const totalValueTransferred = valuesToTransfer[0].times(valueMultiplier).times(multiAssetAmount);
 | 
						|
                const expectedFinalBalances = [
 | 
						|
                    // from
 | 
						|
                    expectedInitialBalances[0].minus(totalValueTransferred),
 | 
						|
                    // to
 | 
						|
                    expectedInitialBalances[1].plus(totalValueTransferred),
 | 
						|
                ];
 | 
						|
                await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedFinalBalances);
 | 
						|
                await erc1155Wrapper2.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedFinalBalances);
 | 
						|
            });
 | 
						|
            it('should successfully transfer a combination of ERC20, ERC721, and ERC1155 tokens', async () => {
 | 
						|
                // setup test parameters
 | 
						|
                const inputAmount = new BigNumber(1);
 | 
						|
                const erc20Amount = new BigNumber(10);
 | 
						|
                const erc20AssetData = assetDataUtils.encodeERC20AssetData(erc20TokenA.address);
 | 
						|
                const erc721Amount = new BigNumber(1);
 | 
						|
                const erc721AssetData = assetDataUtils.encodeERC721AssetData(erc721TokenA.address, erc721AFromTokenId);
 | 
						|
                const erc1155TokenHolders = [fromAddress, toAddress];
 | 
						|
                const erc1155TokensToTransfer = erc1155FungibleTokens.slice(0, 1);
 | 
						|
                const erc1155ValuesToTransfer = [new BigNumber(25)];
 | 
						|
                const erc1155Amount = new BigNumber(23);
 | 
						|
                const erc1155ReceiverCallbackData = '0x0102030405';
 | 
						|
                const erc1155AssetData = assetDataUtils.encodeERC1155AssetData(
 | 
						|
                    erc1155Contract.address,
 | 
						|
                    erc1155TokensToTransfer,
 | 
						|
                    erc1155ValuesToTransfer,
 | 
						|
                    erc1155ReceiverCallbackData,
 | 
						|
                );
 | 
						|
                const amounts = [erc20Amount, erc721Amount, erc1155Amount];
 | 
						|
                const nestedAssetData = [erc20AssetData, erc721AssetData, erc1155AssetData];
 | 
						|
                const assetData = assetDataUtils.encodeMultiAssetData(amounts, nestedAssetData);
 | 
						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    assetData,
 | 
						|
                    fromAddress,
 | 
						|
                    toAddress,
 | 
						|
                    inputAmount,
 | 
						|
                );
 | 
						|
                // check balances before transfer
 | 
						|
                const erc20Balances = await erc20Wrapper.getBalancesAsync();
 | 
						|
                const ownerFromAsset = await erc721TokenA.ownerOf.callAsync(erc721AFromTokenId);
 | 
						|
                expect(ownerFromAsset).to.be.equal(fromAddress);
 | 
						|
                const erc1155ExpectedInitialBalances = [
 | 
						|
                    constants.INITIAL_ERC1155_FUNGIBLE_BALANCE,
 | 
						|
                    constants.INITIAL_ERC1155_FUNGIBLE_BALANCE,
 | 
						|
                ];
 | 
						|
                await erc1155Wrapper.assertBalancesAsync(
 | 
						|
                    erc1155TokenHolders,
 | 
						|
                    erc1155TokensToTransfer,
 | 
						|
                    erc1155ExpectedInitialBalances,
 | 
						|
                );
 | 
						|
                // execute transfer
 | 
						|
                await web3Wrapper.awaitTransactionSuccessAsync(
 | 
						|
                    await web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: multiAssetProxy.address,
 | 
						|
                        data,
 | 
						|
                        from: authorized,
 | 
						|
                        gas: 1000000,
 | 
						|
                    }),
 | 
						|
                    constants.AWAIT_TRANSACTION_MINED_MS,
 | 
						|
                );
 | 
						|
                // check balances after transfer
 | 
						|
                const newBalances = await erc20Wrapper.getBalancesAsync();
 | 
						|
                const totalAmount = inputAmount.times(erc20Amount);
 | 
						|
                expect(newBalances[fromAddress][erc20TokenA.address]).to.be.bignumber.equal(
 | 
						|
                    erc20Balances[fromAddress][erc20TokenA.address].minus(totalAmount),
 | 
						|
                );
 | 
						|
                expect(newBalances[toAddress][erc20TokenA.address]).to.be.bignumber.equal(
 | 
						|
                    erc20Balances[toAddress][erc20TokenA.address].plus(totalAmount),
 | 
						|
                );
 | 
						|
                const newOwnerFromAsset = await erc721TokenA.ownerOf.callAsync(erc721AFromTokenId);
 | 
						|
                expect(newOwnerFromAsset).to.be.equal(toAddress);
 | 
						|
                const erc1155TotalValueTransferred = erc1155ValuesToTransfer[0].times(erc1155Amount).times(inputAmount);
 | 
						|
                const expectedFinalBalances = [
 | 
						|
                    erc1155ExpectedInitialBalances[0].minus(erc1155TotalValueTransferred),
 | 
						|
                    erc1155ExpectedInitialBalances[1].plus(erc1155TotalValueTransferred),
 | 
						|
                ];
 | 
						|
                await erc1155Wrapper.assertBalancesAsync(
 | 
						|
                    erc1155TokenHolders,
 | 
						|
                    erc1155TokensToTransfer,
 | 
						|
                    expectedFinalBalances,
 | 
						|
                );
 | 
						|
            });
 | 
						|
            it('should successfully transfer a combination of ERC20 and ERC721 tokens', async () => {
 | 
						|
                const inputAmount = new BigNumber(1);
 | 
						|
                const erc20Amount = new BigNumber(10);
 | 
						|
                const erc20AssetData = assetDataUtils.encodeERC20AssetData(erc20TokenA.address);
 | 
						|
                const erc721Amount = new BigNumber(1);
 | 
						|
                const erc721AssetData = assetDataUtils.encodeERC721AssetData(erc721TokenA.address, erc721AFromTokenId);
 | 
						|
                const amounts = [erc20Amount, erc721Amount];
 | 
						|
                const nestedAssetData = [erc20AssetData, erc721AssetData];
 | 
						|
                const assetData = assetDataUtils.encodeMultiAssetData(amounts, nestedAssetData);
 | 
						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    assetData,
 | 
						|
                    fromAddress,
 | 
						|
                    toAddress,
 | 
						|
                    inputAmount,
 | 
						|
                );
 | 
						|
                const erc20Balances = await erc20Wrapper.getBalancesAsync();
 | 
						|
                const ownerFromAsset = await erc721TokenA.ownerOf.callAsync(erc721AFromTokenId);
 | 
						|
                expect(ownerFromAsset).to.be.equal(fromAddress);
 | 
						|
                await web3Wrapper.awaitTransactionSuccessAsync(
 | 
						|
                    await web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: multiAssetProxy.address,
 | 
						|
                        data,
 | 
						|
                        from: authorized,
 | 
						|
                    }),
 | 
						|
                    constants.AWAIT_TRANSACTION_MINED_MS,
 | 
						|
                );
 | 
						|
                const newBalances = await erc20Wrapper.getBalancesAsync();
 | 
						|
                const totalAmount = inputAmount.times(erc20Amount);
 | 
						|
                expect(newBalances[fromAddress][erc20TokenA.address]).to.be.bignumber.equal(
 | 
						|
                    erc20Balances[fromAddress][erc20TokenA.address].minus(totalAmount),
 | 
						|
                );
 | 
						|
                expect(newBalances[toAddress][erc20TokenA.address]).to.be.bignumber.equal(
 | 
						|
                    erc20Balances[toAddress][erc20TokenA.address].plus(totalAmount),
 | 
						|
                );
 | 
						|
                const newOwnerFromAsset = await erc721TokenA.ownerOf.callAsync(erc721AFromTokenId);
 | 
						|
                expect(newOwnerFromAsset).to.be.equal(toAddress);
 | 
						|
            });
 | 
						|
            it('should successfully transfer tokens and ignore extra assetData', async () => {
 | 
						|
                const inputAmount = new BigNumber(1);
 | 
						|
                const erc20Amount = new BigNumber(10);
 | 
						|
                const erc20AssetData = assetDataUtils.encodeERC20AssetData(erc20TokenA.address);
 | 
						|
                const erc721Amount = new BigNumber(1);
 | 
						|
                const erc721AssetData = assetDataUtils.encodeERC721AssetData(erc721TokenA.address, erc721AFromTokenId);
 | 
						|
                const amounts = [erc20Amount, erc721Amount];
 | 
						|
                const nestedAssetData = [erc20AssetData, erc721AssetData];
 | 
						|
                const extraData = '0102030405060708';
 | 
						|
                const assetData = `${assetDataUtils.encodeMultiAssetData(amounts, nestedAssetData)}${extraData}`;
 | 
						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    assetData,
 | 
						|
                    fromAddress,
 | 
						|
                    toAddress,
 | 
						|
                    inputAmount,
 | 
						|
                );
 | 
						|
                const erc20Balances = await erc20Wrapper.getBalancesAsync();
 | 
						|
                const ownerFromAsset = await erc721TokenA.ownerOf.callAsync(erc721AFromTokenId);
 | 
						|
                expect(ownerFromAsset).to.be.equal(fromAddress);
 | 
						|
                await web3Wrapper.awaitTransactionSuccessAsync(
 | 
						|
                    await web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: multiAssetProxy.address,
 | 
						|
                        data,
 | 
						|
                        from: authorized,
 | 
						|
                    }),
 | 
						|
                    constants.AWAIT_TRANSACTION_MINED_MS,
 | 
						|
                );
 | 
						|
                const newBalances = await erc20Wrapper.getBalancesAsync();
 | 
						|
                const totalAmount = inputAmount.times(erc20Amount);
 | 
						|
                expect(newBalances[fromAddress][erc20TokenA.address]).to.be.bignumber.equal(
 | 
						|
                    erc20Balances[fromAddress][erc20TokenA.address].minus(totalAmount),
 | 
						|
                );
 | 
						|
                expect(newBalances[toAddress][erc20TokenA.address]).to.be.bignumber.equal(
 | 
						|
                    erc20Balances[toAddress][erc20TokenA.address].plus(totalAmount),
 | 
						|
                );
 | 
						|
                const newOwnerFromAsset = await erc721TokenA.ownerOf.callAsync(erc721AFromTokenId);
 | 
						|
                expect(newOwnerFromAsset).to.be.equal(toAddress);
 | 
						|
            });
 | 
						|
            it('should successfully transfer correct amounts when the `amount` > 1', async () => {
 | 
						|
                const inputAmount = new BigNumber(100);
 | 
						|
                const erc20Amount1 = new BigNumber(10);
 | 
						|
                const erc20Amount2 = new BigNumber(20);
 | 
						|
                const erc20AssetData1 = assetDataUtils.encodeERC20AssetData(erc20TokenA.address);
 | 
						|
                const erc20AssetData2 = assetDataUtils.encodeERC20AssetData(erc20TokenB.address);
 | 
						|
                const amounts = [erc20Amount1, erc20Amount2];
 | 
						|
                const nestedAssetData = [erc20AssetData1, erc20AssetData2];
 | 
						|
                const assetData = assetDataUtils.encodeMultiAssetData(amounts, nestedAssetData);
 | 
						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    assetData,
 | 
						|
                    fromAddress,
 | 
						|
                    toAddress,
 | 
						|
                    inputAmount,
 | 
						|
                );
 | 
						|
                const erc20Balances = await erc20Wrapper.getBalancesAsync();
 | 
						|
                await web3Wrapper.awaitTransactionSuccessAsync(
 | 
						|
                    await web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: multiAssetProxy.address,
 | 
						|
                        data,
 | 
						|
                        from: authorized,
 | 
						|
                    }),
 | 
						|
                    constants.AWAIT_TRANSACTION_MINED_MS,
 | 
						|
                );
 | 
						|
                const newBalances = await erc20Wrapper.getBalancesAsync();
 | 
						|
                const totalErc20AAmount = inputAmount.times(erc20Amount1);
 | 
						|
                const totalErc20BAmount = inputAmount.times(erc20Amount2);
 | 
						|
                expect(newBalances[fromAddress][erc20TokenA.address]).to.be.bignumber.equal(
 | 
						|
                    erc20Balances[fromAddress][erc20TokenA.address].minus(totalErc20AAmount),
 | 
						|
                );
 | 
						|
                expect(newBalances[toAddress][erc20TokenA.address]).to.be.bignumber.equal(
 | 
						|
                    erc20Balances[toAddress][erc20TokenA.address].plus(totalErc20AAmount),
 | 
						|
                );
 | 
						|
                expect(newBalances[fromAddress][erc20TokenB.address]).to.be.bignumber.equal(
 | 
						|
                    erc20Balances[fromAddress][erc20TokenB.address].minus(totalErc20BAmount),
 | 
						|
                );
 | 
						|
                expect(newBalances[toAddress][erc20TokenB.address]).to.be.bignumber.equal(
 | 
						|
                    erc20Balances[toAddress][erc20TokenB.address].plus(totalErc20BAmount),
 | 
						|
                );
 | 
						|
            });
 | 
						|
            it('should successfully transfer a large amount of tokens', async () => {
 | 
						|
                const inputAmount = new BigNumber(1);
 | 
						|
                const erc20Amount1 = new BigNumber(10);
 | 
						|
                const erc20Amount2 = new BigNumber(20);
 | 
						|
                const erc20AssetData1 = assetDataUtils.encodeERC20AssetData(erc20TokenA.address);
 | 
						|
                const erc20AssetData2 = assetDataUtils.encodeERC20AssetData(erc20TokenB.address);
 | 
						|
                const erc721Amount = new BigNumber(1);
 | 
						|
                const erc721Balances = await erc721Wrapper.getBalancesAsync();
 | 
						|
                const erc721AFromTokenId2 = erc721Balances[fromAddress][erc721TokenA.address][1];
 | 
						|
                const erc721BFromTokenId2 = erc721Balances[fromAddress][erc721TokenB.address][1];
 | 
						|
                const erc721AssetData1 = assetDataUtils.encodeERC721AssetData(erc721TokenA.address, erc721AFromTokenId);
 | 
						|
                const erc721AssetData2 = assetDataUtils.encodeERC721AssetData(
 | 
						|
                    erc721TokenA.address,
 | 
						|
                    erc721AFromTokenId2,
 | 
						|
                );
 | 
						|
                const erc721AssetData3 = assetDataUtils.encodeERC721AssetData(erc721TokenB.address, erc721BFromTokenId);
 | 
						|
                const erc721AssetData4 = assetDataUtils.encodeERC721AssetData(
 | 
						|
                    erc721TokenB.address,
 | 
						|
                    erc721BFromTokenId2,
 | 
						|
                );
 | 
						|
                const amounts = [erc721Amount, erc20Amount1, erc721Amount, erc20Amount2, erc721Amount, erc721Amount];
 | 
						|
                const nestedAssetData = [
 | 
						|
                    erc721AssetData1,
 | 
						|
                    erc20AssetData1,
 | 
						|
                    erc721AssetData2,
 | 
						|
                    erc20AssetData2,
 | 
						|
                    erc721AssetData3,
 | 
						|
                    erc721AssetData4,
 | 
						|
                ];
 | 
						|
                const assetData = assetDataUtils.encodeMultiAssetData(amounts, nestedAssetData);
 | 
						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    assetData,
 | 
						|
                    fromAddress,
 | 
						|
                    toAddress,
 | 
						|
                    inputAmount,
 | 
						|
                );
 | 
						|
                const ownerFromAsset1 = await erc721TokenA.ownerOf.callAsync(erc721AFromTokenId);
 | 
						|
                expect(ownerFromAsset1).to.be.equal(fromAddress);
 | 
						|
                const ownerFromAsset2 = await erc721TokenA.ownerOf.callAsync(erc721AFromTokenId2);
 | 
						|
                expect(ownerFromAsset2).to.be.equal(fromAddress);
 | 
						|
                const ownerFromAsset3 = await erc721TokenB.ownerOf.callAsync(erc721BFromTokenId);
 | 
						|
                expect(ownerFromAsset3).to.be.equal(fromAddress);
 | 
						|
                const ownerFromAsset4 = await erc721TokenB.ownerOf.callAsync(erc721BFromTokenId2);
 | 
						|
                expect(ownerFromAsset4).to.be.equal(fromAddress);
 | 
						|
                const erc20Balances = await erc20Wrapper.getBalancesAsync();
 | 
						|
                await web3Wrapper.awaitTransactionSuccessAsync(
 | 
						|
                    await web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: multiAssetProxy.address,
 | 
						|
                        data,
 | 
						|
                        from: authorized,
 | 
						|
                        gas: constants.MAX_EXECUTE_TRANSACTION_GAS,
 | 
						|
                    }),
 | 
						|
                    constants.AWAIT_TRANSACTION_MINED_MS,
 | 
						|
                );
 | 
						|
                const newOwnerFromAsset1 = await erc721TokenA.ownerOf.callAsync(erc721AFromTokenId);
 | 
						|
                const newOwnerFromAsset2 = await erc721TokenA.ownerOf.callAsync(erc721AFromTokenId2);
 | 
						|
                const newOwnerFromAsset3 = await erc721TokenB.ownerOf.callAsync(erc721BFromTokenId);
 | 
						|
                const newOwnerFromAsset4 = await erc721TokenB.ownerOf.callAsync(erc721BFromTokenId2);
 | 
						|
                expect(newOwnerFromAsset1).to.be.equal(toAddress);
 | 
						|
                expect(newOwnerFromAsset2).to.be.equal(toAddress);
 | 
						|
                expect(newOwnerFromAsset3).to.be.equal(toAddress);
 | 
						|
                expect(newOwnerFromAsset4).to.be.equal(toAddress);
 | 
						|
                const newBalances = await erc20Wrapper.getBalancesAsync();
 | 
						|
                const totalErc20AAmount = inputAmount.times(erc20Amount1);
 | 
						|
                const totalErc20BAmount = inputAmount.times(erc20Amount2);
 | 
						|
                expect(newBalances[fromAddress][erc20TokenA.address]).to.be.bignumber.equal(
 | 
						|
                    erc20Balances[fromAddress][erc20TokenA.address].minus(totalErc20AAmount),
 | 
						|
                );
 | 
						|
                expect(newBalances[toAddress][erc20TokenA.address]).to.be.bignumber.equal(
 | 
						|
                    erc20Balances[toAddress][erc20TokenA.address].plus(totalErc20AAmount),
 | 
						|
                );
 | 
						|
                expect(newBalances[fromAddress][erc20TokenB.address]).to.be.bignumber.equal(
 | 
						|
                    erc20Balances[fromAddress][erc20TokenB.address].minus(totalErc20BAmount),
 | 
						|
                );
 | 
						|
                expect(newBalances[toAddress][erc20TokenB.address]).to.be.bignumber.equal(
 | 
						|
                    erc20Balances[toAddress][erc20TokenB.address].plus(totalErc20BAmount),
 | 
						|
                );
 | 
						|
            });
 | 
						|
            it('should revert if a single transfer fails', async () => {
 | 
						|
                const inputAmount = new BigNumber(1);
 | 
						|
                const erc20Amount = new BigNumber(10);
 | 
						|
                const erc20AssetData = assetDataUtils.encodeERC20AssetData(erc20TokenA.address);
 | 
						|
                // 2 is an invalid erc721 amount
 | 
						|
                const erc721Amount = new BigNumber(2);
 | 
						|
                const erc721AssetData = assetDataUtils.encodeERC721AssetData(erc721TokenA.address, erc721AFromTokenId);
 | 
						|
                const amounts = [erc20Amount, erc721Amount];
 | 
						|
                const nestedAssetData = [erc20AssetData, erc721AssetData];
 | 
						|
                const assetData = assetDataUtils.encodeMultiAssetData(amounts, nestedAssetData);
 | 
						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    assetData,
 | 
						|
                    fromAddress,
 | 
						|
                    toAddress,
 | 
						|
                    inputAmount,
 | 
						|
                );
 | 
						|
                await expectTransactionFailedAsync(
 | 
						|
                    web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: multiAssetProxy.address,
 | 
						|
                        data,
 | 
						|
                        from: authorized,
 | 
						|
                    }),
 | 
						|
                    RevertReason.InvalidAmount,
 | 
						|
                );
 | 
						|
            });
 | 
						|
            it('should revert if an AssetProxy is not registered', async () => {
 | 
						|
                const inputAmount = new BigNumber(1);
 | 
						|
                const erc20Amount = new BigNumber(10);
 | 
						|
                const erc20AssetData = assetDataUtils.encodeERC20AssetData(erc20TokenA.address);
 | 
						|
                const erc721Amount = new BigNumber(1);
 | 
						|
                const erc721AssetData = assetDataUtils.encodeERC721AssetData(erc721TokenA.address, erc721AFromTokenId);
 | 
						|
                const invalidProxyId = '0x12345678';
 | 
						|
                const invalidErc721AssetData = `${invalidProxyId}${erc721AssetData.slice(10)}`;
 | 
						|
                const amounts = [erc20Amount, erc721Amount];
 | 
						|
                const nestedAssetData = [erc20AssetData, invalidErc721AssetData];
 | 
						|
                // HACK: This is used to get around validation built into assetDataUtils
 | 
						|
                const assetData = assetDataInterface.MultiAsset.getABIEncodedTransactionData(amounts, nestedAssetData);
 | 
						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    assetData,
 | 
						|
                    fromAddress,
 | 
						|
                    toAddress,
 | 
						|
                    inputAmount,
 | 
						|
                );
 | 
						|
                await expectTransactionFailedAsync(
 | 
						|
                    web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: multiAssetProxy.address,
 | 
						|
                        data,
 | 
						|
                        from: authorized,
 | 
						|
                    }),
 | 
						|
                    RevertReason.AssetProxyDoesNotExist,
 | 
						|
                );
 | 
						|
            });
 | 
						|
            it('should revert if the length of `amounts` does not match the length of `nestedAssetData`', async () => {
 | 
						|
                const inputAmount = new BigNumber(1);
 | 
						|
                const erc20Amount = new BigNumber(10);
 | 
						|
                const erc20AssetData = assetDataUtils.encodeERC20AssetData(erc20TokenA.address);
 | 
						|
                const erc721AssetData = assetDataUtils.encodeERC721AssetData(erc721TokenA.address, erc721AFromTokenId);
 | 
						|
                const amounts = [erc20Amount];
 | 
						|
                const nestedAssetData = [erc20AssetData, erc721AssetData];
 | 
						|
                // HACK: This is used to get around validation built into assetDataUtils
 | 
						|
                const assetData = assetDataInterface.MultiAsset.getABIEncodedTransactionData(amounts, nestedAssetData);
 | 
						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    assetData,
 | 
						|
                    fromAddress,
 | 
						|
                    toAddress,
 | 
						|
                    inputAmount,
 | 
						|
                );
 | 
						|
                await expectTransactionFailedAsync(
 | 
						|
                    web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: multiAssetProxy.address,
 | 
						|
                        data,
 | 
						|
                        from: authorized,
 | 
						|
                    }),
 | 
						|
                    RevertReason.LengthMismatch,
 | 
						|
                );
 | 
						|
            });
 | 
						|
            it('should revert if amounts multiplication results in an overflow', async () => {
 | 
						|
                const inputAmount = new BigNumber(2).pow(128);
 | 
						|
                const erc20Amount = new BigNumber(2).pow(128);
 | 
						|
                const erc20AssetData = assetDataUtils.encodeERC20AssetData(erc20TokenA.address);
 | 
						|
                const amounts = [erc20Amount];
 | 
						|
                const nestedAssetData = [erc20AssetData];
 | 
						|
                const assetData = assetDataUtils.encodeMultiAssetData(amounts, nestedAssetData);
 | 
						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    assetData,
 | 
						|
                    fromAddress,
 | 
						|
                    toAddress,
 | 
						|
                    inputAmount,
 | 
						|
                );
 | 
						|
                await expectTransactionFailedAsync(
 | 
						|
                    web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: multiAssetProxy.address,
 | 
						|
                        data,
 | 
						|
                        from: authorized,
 | 
						|
                    }),
 | 
						|
                    RevertReason.Uint256Overflow,
 | 
						|
                );
 | 
						|
            });
 | 
						|
            it('should revert if an element of `nestedAssetData` is < 4 bytes long', async () => {
 | 
						|
                const inputAmount = new BigNumber(1);
 | 
						|
                const erc20Amount = new BigNumber(10);
 | 
						|
                const erc20AssetData = assetDataUtils.encodeERC20AssetData(erc20TokenA.address);
 | 
						|
                const erc721Amount = new BigNumber(1);
 | 
						|
                const erc721AssetData = '0x123456';
 | 
						|
                const amounts = [erc20Amount, erc721Amount];
 | 
						|
                const nestedAssetData = [erc20AssetData, erc721AssetData];
 | 
						|
                // HACK: This is used to get around validation built into assetDataUtils
 | 
						|
                const assetData = assetDataInterface.MultiAsset.getABIEncodedTransactionData(amounts, nestedAssetData);
 | 
						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    assetData,
 | 
						|
                    fromAddress,
 | 
						|
                    toAddress,
 | 
						|
                    inputAmount,
 | 
						|
                );
 | 
						|
                await expectTransactionFailedAsync(
 | 
						|
                    web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: multiAssetProxy.address,
 | 
						|
                        data,
 | 
						|
                        from: authorized,
 | 
						|
                    }),
 | 
						|
                    RevertReason.LengthGreaterThan3Required,
 | 
						|
                );
 | 
						|
            });
 | 
						|
            it('should revert if caller is not authorized', async () => {
 | 
						|
                const inputAmount = new BigNumber(1);
 | 
						|
                const erc20Amount = new BigNumber(10);
 | 
						|
                const erc20AssetData = assetDataUtils.encodeERC20AssetData(erc20TokenA.address);
 | 
						|
                const erc721Amount = new BigNumber(1);
 | 
						|
                const erc721AssetData = assetDataUtils.encodeERC721AssetData(erc721TokenA.address, erc721AFromTokenId);
 | 
						|
                const amounts = [erc20Amount, erc721Amount];
 | 
						|
                const nestedAssetData = [erc20AssetData, erc721AssetData];
 | 
						|
                const assetData = assetDataUtils.encodeMultiAssetData(amounts, nestedAssetData);
 | 
						|
                const data = assetProxyInterface.transferFrom.getABIEncodedTransactionData(
 | 
						|
                    assetData,
 | 
						|
                    fromAddress,
 | 
						|
                    toAddress,
 | 
						|
                    inputAmount,
 | 
						|
                );
 | 
						|
                await expectTransactionFailedAsync(
 | 
						|
                    web3Wrapper.sendTransactionAsync({
 | 
						|
                        to: multiAssetProxy.address,
 | 
						|
                        data,
 | 
						|
                        from: notAuthorized,
 | 
						|
                    }),
 | 
						|
                    RevertReason.SenderNotAuthorized,
 | 
						|
                );
 | 
						|
            });
 | 
						|
        });
 | 
						|
    });
 | 
						|
});
 | 
						|
// tslint:enable:no-unnecessary-type-assertion
 | 
						|
// tslint:disable:max-file-line-count
 |