1850 lines
102 KiB
TypeScript
1850 lines
102 KiB
TypeScript
import {
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artifacts as erc1155Artifacts,
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DummyERC1155ReceiverBatchTokenReceivedEventArgs,
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DummyERC1155ReceiverContract,
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ERC1155MintableContract,
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Erc1155Wrapper,
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} from '@0x/contracts-erc1155';
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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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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 { SafeMathRevertErrors } from '@0x/contracts-utils';
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import { BlockchainLifecycle } from '@0x/dev-utils';
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import { AssetProxyId, 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 ethUtil from 'ethereumjs-util';
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import * as _ from 'lodash';
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import { ERC1155ProxyWrapper } from '../src/erc1155_proxy_wrapper';
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import { ERC1155ProxyContract, IAssetDataContract } from '../src/wrappers';
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import { artifacts } from './artifacts';
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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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// tslint:disable:no-unnecessary-type-assertion
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describe('ERC1155Proxy', () => {
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// constant values used in transfer tests
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const nftOwnerBalance = new BigNumber(1);
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const nftNotOwnerBalance = new BigNumber(0);
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const spenderInitialFungibleBalance = constants.INITIAL_ERC1155_FUNGIBLE_BALANCE;
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const receiverInitialFungibleBalance = constants.INITIAL_ERC1155_FUNGIBLE_BALANCE;
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const receiverContractInitialFungibleBalance = new BigNumber(0);
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const fungibleValueToTransferSmall = spenderInitialFungibleBalance.div(100);
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const fungibleValueToTransferLarge = spenderInitialFungibleBalance.div(4);
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const valueMultiplierSmall = new BigNumber(2);
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const valueMultiplierNft = new BigNumber(1);
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const nonFungibleValueToTransfer = nftOwnerBalance;
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const receiverCallbackData = '0x01020304';
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// addresses
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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 spender: string;
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let receiver: string;
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let receiverContract: string;
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// contracts & wrappers
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let erc1155Proxy: ERC1155ProxyContract;
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let erc1155Receiver: DummyERC1155ReceiverContract;
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let erc1155ProxyWrapper: ERC1155ProxyWrapper;
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let erc1155Contract: ERC1155MintableContract;
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let erc1155Wrapper: Erc1155Wrapper;
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// tokens
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let fungibleTokens: BigNumber[];
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let nonFungibleTokensOwnedBySpender: BigNumber[];
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// IAssetData for encoding and decoding assetData
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let assetDataContract: IAssetDataContract;
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// tests
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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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/// deploy & configure ERC1155Proxy
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const accounts = await web3Wrapper.getAvailableAddressesAsync();
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const usedAddresses = ([owner, notAuthorized, authorized, spender, receiver] = _.slice(accounts, 0, 5));
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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(authorized).awaitTransactionSuccessAsync({ from: owner });
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await erc1155Proxy.addAuthorizedAddress(erc1155Proxy.address).awaitTransactionSuccessAsync({ from: owner });
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// deploy & configure ERC1155 tokens and receiver
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[erc1155Wrapper] = await erc1155ProxyWrapper.deployDummyContractsAsync();
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erc1155Contract = erc1155Wrapper.getContract();
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erc1155Receiver = await DummyERC1155ReceiverContract.deployFrom0xArtifactAsync(
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erc1155Artifacts.DummyERC1155Receiver,
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provider,
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txDefaults,
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artifacts,
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);
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receiverContract = erc1155Receiver.address;
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await erc1155ProxyWrapper.setBalancesAndAllowancesAsync();
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fungibleTokens = erc1155ProxyWrapper.getFungibleTokenIds();
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const nonFungibleTokens = erc1155ProxyWrapper.getNonFungibleTokenIds();
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const tokenBalances = await erc1155ProxyWrapper.getBalancesAsync();
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nonFungibleTokensOwnedBySpender = [];
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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[spender][erc1155Contract.address][nonFungibleTokenAsString][0];
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nonFungibleTokensOwnedBySpender.push(nonFungibleTokenHeldBySpender);
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});
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// set up assetDataContract
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assetDataContract = new IAssetDataContract(constants.NULL_ADDRESS, provider, { from: owner });
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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('general', () => {
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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: erc1155Proxy.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 0xa7cb5fb7', async () => {
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const proxyId = await erc1155Proxy.getProxyId().callAsync();
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const expectedProxyId = AssetProxyId.ERC1155;
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expect(proxyId).to.equal(expectedProxyId);
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});
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});
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describe('transferFrom', () => {
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it('should successfully transfer value for a single, fungible token', async () => {
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// setup test parameters
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const tokenHolders = [spender, receiver];
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const tokensToTransfer = fungibleTokens.slice(0, 1);
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const valuesToTransfer = [fungibleValueToTransferLarge];
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const valueMultiplier = valueMultiplierSmall;
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// check balances before transfer
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const expectedInitialBalances = [spenderInitialFungibleBalance, receiverInitialFungibleBalance];
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await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedInitialBalances);
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// execute transfer
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await erc1155ProxyWrapper.transferFromAsync(
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spender,
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receiver,
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erc1155Contract.address,
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tokensToTransfer,
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valuesToTransfer,
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valueMultiplier,
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receiverCallbackData,
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authorized,
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);
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// check balances after transfer
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const totalValueTransferred = valuesToTransfer[0].times(valueMultiplier);
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const expectedFinalBalances = [
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spenderInitialFungibleBalance.minus(totalValueTransferred),
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receiverInitialFungibleBalance.plus(totalValueTransferred),
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];
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await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedFinalBalances);
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});
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it('should successfully transfer value for the same fungible token several times', async () => {
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// setup test parameters
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const tokenHolders = [spender, receiver];
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const tokenToTransfer = fungibleTokens[0];
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const tokensToTransfer = [tokenToTransfer, tokenToTransfer, tokenToTransfer];
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const valuesToTransfer = [
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fungibleValueToTransferSmall.plus(10),
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fungibleValueToTransferSmall.plus(20),
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fungibleValueToTransferSmall.plus(30),
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];
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const valueMultiplier = valueMultiplierSmall;
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// check balances before transfer
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const expectedInitialBalances = [
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// spender
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spenderInitialFungibleBalance,
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// receiver
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receiverInitialFungibleBalance,
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];
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await erc1155Wrapper.assertBalancesAsync(tokenHolders, [tokenToTransfer], expectedInitialBalances);
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// execute transfer
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await erc1155ProxyWrapper.transferFromAsync(
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spender,
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receiver,
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erc1155Contract.address,
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tokensToTransfer,
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valuesToTransfer,
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valueMultiplier,
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receiverCallbackData,
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authorized,
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);
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// check balances after transfer
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let totalValueTransferred = _.reduce(valuesToTransfer, (sum: BigNumber, value: BigNumber) => {
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return sum.plus(value);
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}) as BigNumber;
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totalValueTransferred = totalValueTransferred.times(valueMultiplier);
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const expectedFinalBalances = [
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// spender
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spenderInitialFungibleBalance.minus(totalValueTransferred),
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// receiver
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receiverInitialFungibleBalance.plus(totalValueTransferred),
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];
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await erc1155Wrapper.assertBalancesAsync(tokenHolders, [tokenToTransfer], expectedFinalBalances);
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});
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it('should successfully transfer value for several fungible tokens', async () => {
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// setup test parameters
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const tokenHolders = [spender, receiver];
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const tokensToTransfer = fungibleTokens.slice(0, 3);
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const valuesToTransfer = [
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fungibleValueToTransferSmall.plus(10),
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fungibleValueToTransferSmall.plus(20),
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fungibleValueToTransferSmall.plus(30),
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];
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const valueMultiplier = valueMultiplierSmall;
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// check balances before transfer
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const expectedInitialBalances = [
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// spender
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spenderInitialFungibleBalance,
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spenderInitialFungibleBalance,
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spenderInitialFungibleBalance,
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// receiver
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receiverInitialFungibleBalance,
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receiverInitialFungibleBalance,
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receiverInitialFungibleBalance,
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];
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await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedInitialBalances);
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// execute transfer
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await erc1155ProxyWrapper.transferFromAsync(
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spender,
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receiver,
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erc1155Contract.address,
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tokensToTransfer,
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valuesToTransfer,
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valueMultiplier,
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receiverCallbackData,
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authorized,
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);
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// check balances after transfer
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const totalValuesTransferred = _.map(valuesToTransfer, (value: BigNumber) => {
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return value.times(valueMultiplier);
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});
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const expectedFinalBalances = [
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// spender
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spenderInitialFungibleBalance.minus(totalValuesTransferred[0]),
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spenderInitialFungibleBalance.minus(totalValuesTransferred[1]),
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spenderInitialFungibleBalance.minus(totalValuesTransferred[2]),
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// receiver
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receiverInitialFungibleBalance.plus(totalValuesTransferred[0]),
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receiverInitialFungibleBalance.plus(totalValuesTransferred[1]),
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receiverInitialFungibleBalance.plus(totalValuesTransferred[2]),
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];
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await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedFinalBalances);
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});
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it('should successfully transfer a non-fungible token', async () => {
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// setup test parameters
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const tokenHolders = [spender, receiver];
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const tokensToTransfer = nonFungibleTokensOwnedBySpender.slice(0, 1);
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const valuesToTransfer = [nonFungibleValueToTransfer];
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const valueMultiplier = valueMultiplierNft;
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// check balances before transfer
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const expectedInitialBalances = [
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// spender
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nftOwnerBalance,
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// receiver
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nftNotOwnerBalance,
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];
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await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedInitialBalances);
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// execute transfer
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await erc1155ProxyWrapper.transferFromAsync(
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spender,
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receiver,
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erc1155Contract.address,
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tokensToTransfer,
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valuesToTransfer,
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valueMultiplier,
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receiverCallbackData,
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authorized,
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);
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// check balances after transfer
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const expectedFinalBalances = [
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// spender
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nftNotOwnerBalance,
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// receiver
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nftOwnerBalance,
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];
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await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedFinalBalances);
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});
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it('should successfully transfer multiple non-fungible tokens', async () => {
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// setup test parameters
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const tokenHolders = [spender, receiver];
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const tokensToTransfer = nonFungibleTokensOwnedBySpender.slice(0, 3);
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const valuesToTransfer = [
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nonFungibleValueToTransfer,
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nonFungibleValueToTransfer,
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nonFungibleValueToTransfer,
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];
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const valueMultiplier = valueMultiplierNft;
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// check balances before transfer
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const expectedInitialBalances = [
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// spender
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nftOwnerBalance,
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nftOwnerBalance,
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nftOwnerBalance,
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// receiver
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nftNotOwnerBalance,
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nftNotOwnerBalance,
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nftNotOwnerBalance,
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];
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await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedInitialBalances);
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// execute transfer
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await erc1155ProxyWrapper.transferFromAsync(
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spender,
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receiver,
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erc1155Contract.address,
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tokensToTransfer,
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valuesToTransfer,
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valueMultiplier,
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receiverCallbackData,
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authorized,
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);
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// check balances after transfer
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const expectedFinalBalances = [
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// spender
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nftNotOwnerBalance,
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nftNotOwnerBalance,
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nftNotOwnerBalance,
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// receiver
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nftOwnerBalance,
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nftOwnerBalance,
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nftOwnerBalance,
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];
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await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedFinalBalances);
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});
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it('should successfully transfer value for a combination of several fungible/non-fungible tokens', async () => {
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// setup test parameters
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const tokenHolders = [spender, receiver];
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const fungibleTokensToTransfer = fungibleTokens.slice(0, 3);
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const nonFungibleTokensToTransfer = nonFungibleTokensOwnedBySpender.slice(0, 2);
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const tokensToTransfer = fungibleTokensToTransfer.concat(nonFungibleTokensToTransfer);
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const valuesToTransfer = [
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fungibleValueToTransferLarge,
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fungibleValueToTransferSmall,
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fungibleValueToTransferSmall,
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nonFungibleValueToTransfer,
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nonFungibleValueToTransfer,
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];
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const valueMultiplier = valueMultiplierNft;
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// check balances before transfer
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const expectedInitialBalances = [
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// spender
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spenderInitialFungibleBalance,
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spenderInitialFungibleBalance,
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spenderInitialFungibleBalance,
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nftOwnerBalance,
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nftOwnerBalance,
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// receiver
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receiverInitialFungibleBalance,
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receiverInitialFungibleBalance,
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receiverInitialFungibleBalance,
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nftNotOwnerBalance,
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nftNotOwnerBalance,
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];
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await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedInitialBalances);
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// execute transfer
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await erc1155ProxyWrapper.transferFromAsync(
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spender,
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receiver,
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erc1155Contract.address,
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tokensToTransfer,
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valuesToTransfer,
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valueMultiplier,
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receiverCallbackData,
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authorized,
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);
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// check balances after transfer
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const totalValuesTransferred = _.map(valuesToTransfer, (value: BigNumber) => {
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return value.times(valueMultiplier);
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});
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const expectedFinalBalances = [
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// spender
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expectedInitialBalances[0].minus(totalValuesTransferred[0]),
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expectedInitialBalances[1].minus(totalValuesTransferred[1]),
|
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expectedInitialBalances[2].minus(totalValuesTransferred[2]),
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expectedInitialBalances[3].minus(totalValuesTransferred[3]),
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expectedInitialBalances[4].minus(totalValuesTransferred[4]),
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// receiver
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expectedInitialBalances[5].plus(totalValuesTransferred[0]),
|
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expectedInitialBalances[6].plus(totalValuesTransferred[1]),
|
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expectedInitialBalances[7].plus(totalValuesTransferred[2]),
|
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expectedInitialBalances[8].plus(totalValuesTransferred[3]),
|
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expectedInitialBalances[9].plus(totalValuesTransferred[4]),
|
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];
|
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await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedFinalBalances);
|
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});
|
|
it('should successfully transfer value to a smart contract and trigger its callback', async () => {
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// setup test parameters
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const tokenHolders = [spender, receiverContract];
|
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const tokensToTransfer = fungibleTokens.slice(0, 1);
|
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const valuesToTransfer = [fungibleValueToTransferLarge];
|
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const valueMultiplier = valueMultiplierSmall;
|
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const totalValuesTransferred = _.map(valuesToTransfer, (value: BigNumber) => {
|
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return value.times(valueMultiplier);
|
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});
|
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// check balances before transfer
|
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const expectedInitialBalances = [spenderInitialFungibleBalance, receiverContractInitialFungibleBalance];
|
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await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedInitialBalances);
|
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// execute transfer
|
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const txReceipt = await erc1155ProxyWrapper.transferFromAsync(
|
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spender,
|
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receiverContract,
|
|
erc1155Contract.address,
|
|
tokensToTransfer,
|
|
valuesToTransfer,
|
|
valueMultiplier,
|
|
receiverCallbackData,
|
|
authorized,
|
|
);
|
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// check receiver log ignored extra asset data
|
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expect(txReceipt.logs.length).to.be.equal(2);
|
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const receiverLog = txReceipt.logs[1] as LogWithDecodedArgs<
|
|
DummyERC1155ReceiverBatchTokenReceivedEventArgs
|
|
>;
|
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expect(receiverLog.args.operator).to.be.equal(erc1155Proxy.address);
|
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expect(receiverLog.args.from).to.be.equal(spender);
|
|
expect(receiverLog.args.tokenIds.length).to.be.deep.equal(1);
|
|
expect(receiverLog.args.tokenIds[0]).to.be.bignumber.equal(tokensToTransfer[0]);
|
|
expect(receiverLog.args.tokenValues.length).to.be.deep.equal(1);
|
|
expect(receiverLog.args.tokenValues[0]).to.be.bignumber.equal(totalValuesTransferred[0]);
|
|
// note - if the `extraData` is ignored then the receiver log should ignore it as well.
|
|
expect(receiverLog.args.data).to.be.deep.equal(receiverCallbackData);
|
|
// check balances after transfer
|
|
const expectedFinalBalances = [
|
|
expectedInitialBalances[0].minus(totalValuesTransferred[0]),
|
|
expectedInitialBalances[1].plus(totalValuesTransferred[0]),
|
|
];
|
|
await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedFinalBalances);
|
|
});
|
|
it('should successfully transfer value to a smart contract and trigger its callback, when callback `data` is NULL', async () => {
|
|
// setup test parameters
|
|
const tokenHolders = [spender, receiverContract];
|
|
const tokensToTransfer = fungibleTokens.slice(0, 1);
|
|
const valuesToTransfer = [fungibleValueToTransferLarge];
|
|
const valueMultiplier = valueMultiplierSmall;
|
|
const totalValuesTransferred = _.map(valuesToTransfer, (value: BigNumber) => {
|
|
return value.times(valueMultiplier);
|
|
});
|
|
// check balances before transfer
|
|
const expectedInitialBalances = [spenderInitialFungibleBalance, receiverContractInitialFungibleBalance];
|
|
await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedInitialBalances);
|
|
// execute transfer
|
|
const nullReceiverCallbackData = '0x';
|
|
const txReceipt = await erc1155ProxyWrapper.transferFromAsync(
|
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spender,
|
|
receiverContract,
|
|
erc1155Contract.address,
|
|
tokensToTransfer,
|
|
valuesToTransfer,
|
|
valueMultiplier,
|
|
nullReceiverCallbackData,
|
|
authorized,
|
|
);
|
|
// check receiver log ignored extra asset data
|
|
expect(txReceipt.logs.length).to.be.equal(2);
|
|
const receiverLog = txReceipt.logs[1] as LogWithDecodedArgs<
|
|
DummyERC1155ReceiverBatchTokenReceivedEventArgs
|
|
>;
|
|
expect(receiverLog.args.operator).to.be.equal(erc1155Proxy.address);
|
|
expect(receiverLog.args.from).to.be.equal(spender);
|
|
expect(receiverLog.args.tokenIds.length).to.be.deep.equal(1);
|
|
expect(receiverLog.args.tokenIds[0]).to.be.bignumber.equal(tokensToTransfer[0]);
|
|
expect(receiverLog.args.tokenValues.length).to.be.deep.equal(1);
|
|
expect(receiverLog.args.tokenValues[0]).to.be.bignumber.equal(totalValuesTransferred[0]);
|
|
// note - if the `extraData` is ignored then the receiver log should ignore it as well.
|
|
expect(receiverLog.args.data).to.be.deep.equal(nullReceiverCallbackData);
|
|
// check balances after transfer
|
|
const expectedFinalBalances = [
|
|
expectedInitialBalances[0].minus(totalValuesTransferred[0]),
|
|
expectedInitialBalances[1].plus(totalValuesTransferred[0]),
|
|
];
|
|
await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedFinalBalances);
|
|
});
|
|
it('should successfully transfer value to a smart contract and trigger its callback, when callback `data` is one word', async () => {
|
|
// setup test parameters
|
|
const tokenHolders = [spender, receiverContract];
|
|
const tokensToTransfer = fungibleTokens.slice(0, 1);
|
|
const valuesToTransfer = [fungibleValueToTransferLarge];
|
|
const valueMultiplier = valueMultiplierSmall;
|
|
const totalValuesTransferred = _.map(valuesToTransfer, (value: BigNumber) => {
|
|
return value.times(valueMultiplier);
|
|
});
|
|
// check balances before transfer
|
|
const expectedInitialBalances = [spenderInitialFungibleBalance, receiverContractInitialFungibleBalance];
|
|
await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedInitialBalances);
|
|
// create word of callback data
|
|
const customReceiverCallbackData = '0x0102030405060708091001020304050607080910010203040506070809100102';
|
|
const customReceiverCallbackDataAsBuffer = ethUtil.toBuffer(customReceiverCallbackData);
|
|
const oneWordInBytes = 32;
|
|
expect(customReceiverCallbackDataAsBuffer.byteLength).to.be.equal(oneWordInBytes);
|
|
// execute transfer
|
|
const txReceipt = await erc1155ProxyWrapper.transferFromAsync(
|
|
spender,
|
|
receiverContract,
|
|
erc1155Contract.address,
|
|
tokensToTransfer,
|
|
valuesToTransfer,
|
|
valueMultiplier,
|
|
customReceiverCallbackData,
|
|
authorized,
|
|
);
|
|
// check receiver log ignored extra asset data
|
|
expect(txReceipt.logs.length).to.be.equal(2);
|
|
const receiverLog = txReceipt.logs[1] as LogWithDecodedArgs<
|
|
DummyERC1155ReceiverBatchTokenReceivedEventArgs
|
|
>;
|
|
expect(receiverLog.args.operator).to.be.equal(erc1155Proxy.address);
|
|
expect(receiverLog.args.from).to.be.equal(spender);
|
|
expect(receiverLog.args.tokenIds.length).to.be.deep.equal(1);
|
|
expect(receiverLog.args.tokenIds[0]).to.be.bignumber.equal(tokensToTransfer[0]);
|
|
expect(receiverLog.args.tokenValues.length).to.be.deep.equal(1);
|
|
expect(receiverLog.args.tokenValues[0]).to.be.bignumber.equal(totalValuesTransferred[0]);
|
|
// note - if the `extraData` is ignored then the receiver log should ignore it as well.
|
|
expect(receiverLog.args.data).to.be.deep.equal(customReceiverCallbackData);
|
|
// check balances after transfer
|
|
const expectedFinalBalances = [
|
|
expectedInitialBalances[0].minus(totalValuesTransferred[0]),
|
|
expectedInitialBalances[1].plus(totalValuesTransferred[0]),
|
|
];
|
|
await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedFinalBalances);
|
|
});
|
|
it('should successfully transfer value to a smart contract and trigger its callback, when callback `data` is multiple words', async () => {
|
|
// setup test parameters
|
|
const tokenHolders = [spender, receiverContract];
|
|
const tokensToTransfer = fungibleTokens.slice(0, 1);
|
|
const valuesToTransfer = [fungibleValueToTransferLarge];
|
|
const valueMultiplier = valueMultiplierSmall;
|
|
const totalValuesTransferred = _.map(valuesToTransfer, (value: BigNumber) => {
|
|
return value.times(valueMultiplier);
|
|
});
|
|
// check balances before transfer
|
|
const expectedInitialBalances = [spenderInitialFungibleBalance, receiverContractInitialFungibleBalance];
|
|
await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedInitialBalances);
|
|
// create word of callback data
|
|
const scalar = 5;
|
|
const customReceiverCallbackData = `0x${'0102030405060708091001020304050607080910010203040506070809100102'.repeat(
|
|
scalar,
|
|
)}`;
|
|
const customReceiverCallbackDataAsBuffer = ethUtil.toBuffer(customReceiverCallbackData);
|
|
const oneWordInBytes = 32;
|
|
expect(customReceiverCallbackDataAsBuffer.byteLength).to.be.equal(oneWordInBytes * scalar);
|
|
// execute transfer
|
|
const txReceipt = await erc1155ProxyWrapper.transferFromAsync(
|
|
spender,
|
|
receiverContract,
|
|
erc1155Contract.address,
|
|
tokensToTransfer,
|
|
valuesToTransfer,
|
|
valueMultiplier,
|
|
customReceiverCallbackData,
|
|
authorized,
|
|
);
|
|
// check receiver log ignored extra asset data
|
|
expect(txReceipt.logs.length).to.be.equal(2);
|
|
const receiverLog = txReceipt.logs[1] as LogWithDecodedArgs<
|
|
DummyERC1155ReceiverBatchTokenReceivedEventArgs
|
|
>;
|
|
expect(receiverLog.args.operator).to.be.equal(erc1155Proxy.address);
|
|
expect(receiverLog.args.from).to.be.equal(spender);
|
|
expect(receiverLog.args.tokenIds.length).to.be.deep.equal(1);
|
|
expect(receiverLog.args.tokenIds[0]).to.be.bignumber.equal(tokensToTransfer[0]);
|
|
expect(receiverLog.args.tokenValues.length).to.be.deep.equal(1);
|
|
expect(receiverLog.args.tokenValues[0]).to.be.bignumber.equal(totalValuesTransferred[0]);
|
|
// note - if the `extraData` is ignored then the receiver log should ignore it as well.
|
|
expect(receiverLog.args.data).to.be.deep.equal(customReceiverCallbackData);
|
|
// check balances after transfer
|
|
const expectedFinalBalances = [
|
|
expectedInitialBalances[0].minus(totalValuesTransferred[0]),
|
|
expectedInitialBalances[1].plus(totalValuesTransferred[0]),
|
|
];
|
|
await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedFinalBalances);
|
|
});
|
|
it('should successfully transfer value to a smart contract and trigger its callback, when callback `data` is multiple words but not word-aligned', async () => {
|
|
// setup test parameters
|
|
const tokenHolders = [spender, receiverContract];
|
|
const tokensToTransfer = fungibleTokens.slice(0, 1);
|
|
const valuesToTransfer = [fungibleValueToTransferLarge];
|
|
const valueMultiplier = valueMultiplierSmall;
|
|
const totalValuesTransferred = _.map(valuesToTransfer, (value: BigNumber) => {
|
|
return value.times(valueMultiplier);
|
|
});
|
|
// check balances before transfer
|
|
const expectedInitialBalances = [spenderInitialFungibleBalance, receiverContractInitialFungibleBalance];
|
|
await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedInitialBalances);
|
|
// create word of callback data
|
|
const scalar = 5;
|
|
const customReceiverCallbackData = `0x${'0102030405060708091001020304050607080910010203040506070809100102'.repeat(
|
|
scalar,
|
|
)}090807`;
|
|
const customReceiverCallbackDataAsBuffer = ethUtil.toBuffer(customReceiverCallbackData);
|
|
const oneWordInBytes = 32;
|
|
expect(customReceiverCallbackDataAsBuffer.byteLength).to.be.greaterThan(oneWordInBytes * scalar);
|
|
expect(customReceiverCallbackDataAsBuffer.byteLength).to.be.lessThan(oneWordInBytes * (scalar + 1));
|
|
// execute transfer
|
|
const txReceipt = await erc1155ProxyWrapper.transferFromAsync(
|
|
spender,
|
|
receiverContract,
|
|
erc1155Contract.address,
|
|
tokensToTransfer,
|
|
valuesToTransfer,
|
|
valueMultiplier,
|
|
customReceiverCallbackData,
|
|
authorized,
|
|
);
|
|
// check receiver log ignored extra asset data
|
|
expect(txReceipt.logs.length).to.be.equal(2);
|
|
const receiverLog = txReceipt.logs[1] as LogWithDecodedArgs<
|
|
DummyERC1155ReceiverBatchTokenReceivedEventArgs
|
|
>;
|
|
expect(receiverLog.args.operator).to.be.equal(erc1155Proxy.address);
|
|
expect(receiverLog.args.from).to.be.equal(spender);
|
|
expect(receiverLog.args.tokenIds.length).to.be.deep.equal(1);
|
|
expect(receiverLog.args.tokenIds[0]).to.be.bignumber.equal(tokensToTransfer[0]);
|
|
expect(receiverLog.args.tokenValues.length).to.be.deep.equal(1);
|
|
expect(receiverLog.args.tokenValues[0]).to.be.bignumber.equal(totalValuesTransferred[0]);
|
|
// note - if the `extraData` is ignored then the receiver log should ignore it as well.
|
|
expect(receiverLog.args.data).to.be.deep.equal(customReceiverCallbackData);
|
|
// check balances after transfer
|
|
const expectedFinalBalances = [
|
|
expectedInitialBalances[0].minus(totalValuesTransferred[0]),
|
|
expectedInitialBalances[1].plus(totalValuesTransferred[0]),
|
|
];
|
|
await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedFinalBalances);
|
|
});
|
|
it('should successfully transfer value and ignore extra assetData', async () => {
|
|
// setup test parameters
|
|
const tokenHolders = [spender, receiverContract];
|
|
const tokensToTransfer = fungibleTokens.slice(0, 1);
|
|
const valuesToTransfer = [fungibleValueToTransferLarge];
|
|
const valueMultiplier = valueMultiplierSmall;
|
|
const totalValuesTransferred = _.map(valuesToTransfer, (value: BigNumber) => {
|
|
return value.times(valueMultiplier);
|
|
});
|
|
const erc1155ContractAddress = erc1155Wrapper.getContract().address;
|
|
const assetData = assetDataContract
|
|
.ERC1155Assets(erc1155ContractAddress, tokensToTransfer, valuesToTransfer, receiverCallbackData)
|
|
.getABIEncodedTransactionData();
|
|
const extraData = '0102030405060708091001020304050607080910010203040506070809100102';
|
|
const assetDataWithExtraData = `${assetData}${extraData}`;
|
|
// check balances before transfer
|
|
const expectedInitialBalances = [spenderInitialFungibleBalance, receiverContractInitialFungibleBalance];
|
|
await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedInitialBalances);
|
|
// execute transfer
|
|
const txReceipt = await erc1155ProxyWrapper.transferFromAsync(
|
|
spender,
|
|
receiverContract,
|
|
erc1155Contract.address,
|
|
tokensToTransfer,
|
|
valuesToTransfer,
|
|
valueMultiplier,
|
|
receiverCallbackData,
|
|
authorized,
|
|
assetDataWithExtraData,
|
|
);
|
|
// check receiver log ignored extra asset data
|
|
expect(txReceipt.logs.length).to.be.equal(2);
|
|
const receiverLog = txReceipt.logs[1] as LogWithDecodedArgs<
|
|
DummyERC1155ReceiverBatchTokenReceivedEventArgs
|
|
>;
|
|
expect(receiverLog.args.operator).to.be.equal(erc1155Proxy.address);
|
|
expect(receiverLog.args.from).to.be.equal(spender);
|
|
expect(receiverLog.args.tokenIds.length).to.be.deep.equal(1);
|
|
expect(receiverLog.args.tokenIds[0]).to.be.bignumber.equal(tokensToTransfer[0]);
|
|
expect(receiverLog.args.tokenValues.length).to.be.deep.equal(1);
|
|
expect(receiverLog.args.tokenValues[0]).to.be.bignumber.equal(totalValuesTransferred[0]);
|
|
// note - if the `extraData` is ignored then the receiver log should ignore it as well.
|
|
expect(receiverLog.args.data).to.be.deep.equal(receiverCallbackData);
|
|
// check balances after transfer
|
|
const expectedFinalBalances = [
|
|
expectedInitialBalances[0].minus(totalValuesTransferred[0]),
|
|
expectedInitialBalances[1].plus(totalValuesTransferred[0]),
|
|
];
|
|
await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedFinalBalances);
|
|
});
|
|
it('should successfully transfer if token ids and values are abi encoded to same entry in calldata', async () => {
|
|
/**
|
|
* Suppose the `tokensToTransfer` and `valuesToTransfer` are identical; their offsets in
|
|
* the ABI-encoded asset data may be the same. E.g. token IDs [1, 2] and values [1, 2].
|
|
* Suppose we scale by a factor of 2, then we expect to trade token IDs [1, 2] and values [2, 4].
|
|
* This test ensures that scaling the values does not simultaneously scale the token IDs.
|
|
*/
|
|
///// Step 1/5 /////
|
|
// Create tokens with ids [1, 2, 3, 4] and mint a balance of 4 for the `spender`
|
|
const tokensToCreate = [new BigNumber(1), new BigNumber(2), new BigNumber(3), new BigNumber(4)];
|
|
const spenderInitialBalance = new BigNumber(4);
|
|
const receiverInitialBalance = new BigNumber(0);
|
|
const tokenUri = '';
|
|
for (const tokenToCreate of tokensToCreate) {
|
|
// create token
|
|
await erc1155Wrapper
|
|
.getContract()
|
|
.createWithType(tokenToCreate, tokenUri)
|
|
.awaitTransactionSuccessAsync({
|
|
from: owner,
|
|
});
|
|
|
|
// mint balance for spender
|
|
await erc1155Wrapper
|
|
.getContract()
|
|
.mintFungible(tokenToCreate, [spender], [spenderInitialBalance])
|
|
.awaitTransactionSuccessAsync({
|
|
from: owner,
|
|
});
|
|
}
|
|
///// Step 2/5 /////
|
|
// Check balances before transfer
|
|
const balanceHolders = [spender, spender, spender, spender, receiver, receiver, receiver, receiver];
|
|
const balanceTokens = tokensToCreate.concat(tokensToCreate);
|
|
const initialBalances = await erc1155Wrapper.getBalancesAsync(balanceHolders, balanceTokens);
|
|
const expectedInitialBalances = [
|
|
spenderInitialBalance, // Token ID 1 / Spender Balance
|
|
spenderInitialBalance, // Token ID 2 / Spender Balance
|
|
spenderInitialBalance, // Token ID 3 / Spender Balance
|
|
spenderInitialBalance, // Token ID 4 / Spender Balance
|
|
receiverInitialBalance, // Token ID 1 / Receiver Balance
|
|
receiverInitialBalance, // Token ID 2 / Receiver Balance
|
|
receiverInitialBalance, // Token ID 3 / Receiver Balance
|
|
receiverInitialBalance, // Token ID 4 / Receiver Balance
|
|
];
|
|
expect(initialBalances).to.be.deep.equal(expectedInitialBalances);
|
|
///// Step 3/5 /////
|
|
// Create optimized calldata. We expect it to be formatted like the table below.
|
|
// 0x 0000000000000000000000000b1ba0af832d7c05fd64161e0db78e85978e8082 // ERC1155 contract address
|
|
// 0x20 0000000000000000000000000000000000000000000000000000000000000080 // Offset to token IDs
|
|
// 0x40 0000000000000000000000000000000000000000000000000000000000000080 // Offset to token values (same as IDs)
|
|
// 0x60 00000000000000000000000000000000000000000000000000000000000000e0 // Offset to data
|
|
// 0x80 0000000000000000000000000000000000000000000000000000000000000002 // Length of token Ids / token values
|
|
// 0xA0 0000000000000000000000000000000000000000000000000000000000000001 // First Token ID / Token value
|
|
// 0xC0 0000000000000000000000000000000000000000000000000000000000000002 // Second Token ID / Token value
|
|
// 0xE0 0000000000000000000000000000000000000000000000000000000000000004 // Length of callback data
|
|
// 0x100 0102030400000000000000000000000000000000000000000000000000000000 // Callback data
|
|
const erc1155ContractAddress = erc1155Wrapper.getContract().address;
|
|
const tokensToTransfer = [new BigNumber(1), new BigNumber(2)];
|
|
const valuesToTransfer = tokensToTransfer;
|
|
const valueMultiplier = new BigNumber(2);
|
|
|
|
// hand encode optimized assetData because our tooling (based on LibAssetData.sol/ERC1155Assets) does not use optimized encoding
|
|
const selector = assetDataContract.getSelector('ERC1155Assets');
|
|
const assetDataWithoutContractAddress =
|
|
'0000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000e000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000040102030400000000000000000000000000000000000000000000000000000000';
|
|
const assetData = `${selector}000000000000000000000000${erc1155ContractAddress.substr(
|
|
2,
|
|
)}${assetDataWithoutContractAddress}`;
|
|
|
|
///// Step 4/5 /////
|
|
// Transfer token IDs [1, 2] and amounts [1, 2] with a multiplier of 2;
|
|
// the expected trade will be token IDs [1, 2] and amounts [2, 4]
|
|
await erc1155ProxyWrapper.transferFromAsync(
|
|
spender,
|
|
receiver,
|
|
erc1155Contract.address,
|
|
tokensToTransfer,
|
|
valuesToTransfer,
|
|
valueMultiplier,
|
|
receiverCallbackData,
|
|
authorized,
|
|
assetData,
|
|
);
|
|
///// Step 5/5 /////
|
|
// Validate final balances
|
|
const finalBalances = await erc1155Wrapper.getBalancesAsync(balanceHolders, balanceTokens);
|
|
const expectedAmountsTransferred = _.map(valuesToTransfer, value => {
|
|
return value.times(valueMultiplier);
|
|
});
|
|
const expectedFinalBalances = [
|
|
spenderInitialBalance.minus(expectedAmountsTransferred[0]), // Token ID 1 / Spender Balance
|
|
spenderInitialBalance.minus(expectedAmountsTransferred[1]), // Token ID 2 / Spender Balance
|
|
spenderInitialBalance, // Token ID 3 / Spender Balance
|
|
spenderInitialBalance, // Token ID 4 / Spender Balance
|
|
receiverInitialBalance.plus(expectedAmountsTransferred[0]), // Token ID 1 / Receiver Balance
|
|
receiverInitialBalance.plus(expectedAmountsTransferred[1]), // Token ID 2 / Receiver Balance
|
|
receiverInitialBalance, // Token ID 3 / Receiver Balance
|
|
receiverInitialBalance, // Token ID 4 / Receiver Balance
|
|
];
|
|
expect(finalBalances).to.be.deep.equal(expectedFinalBalances);
|
|
});
|
|
it('should successfully transfer if token values and data are abi encoded to same entry in calldata', async () => {
|
|
/**
|
|
* This test ensures that scaling the values does not simultaneously scale the data.
|
|
* Note that this test is slightly more contrived than the test above, as asset data must be
|
|
* intentionally hand-modified to produce this result: a functioning abi encoder will not produce it.
|
|
*/
|
|
///// Step 1/5 /////
|
|
// Create tokens with ids [1, 2, 3, 4] and mint a balance of 4 for the `spender`
|
|
const tokensToCreate = [new BigNumber(1), new BigNumber(2), new BigNumber(3), new BigNumber(4)];
|
|
const spenderInitialBalance = new BigNumber(4);
|
|
const receiverInitialBalance = new BigNumber(0);
|
|
const tokenUri = '';
|
|
for (const tokenToCreate of tokensToCreate) {
|
|
// create token
|
|
await erc1155Wrapper
|
|
.getContract()
|
|
.createWithType(tokenToCreate, tokenUri)
|
|
.awaitTransactionSuccessAsync({
|
|
from: owner,
|
|
});
|
|
|
|
// mint balance for spender
|
|
await erc1155Wrapper
|
|
.getContract()
|
|
.mintFungible(tokenToCreate, [spender], [spenderInitialBalance])
|
|
.awaitTransactionSuccessAsync({
|
|
from: owner,
|
|
});
|
|
}
|
|
///// Step 2/5 /////
|
|
// Check balances before transfer
|
|
const balanceHolders = [
|
|
spender,
|
|
spender,
|
|
spender,
|
|
spender,
|
|
receiverContract,
|
|
receiverContract,
|
|
receiverContract,
|
|
receiverContract,
|
|
];
|
|
const balanceTokens = tokensToCreate.concat(tokensToCreate);
|
|
const initialBalances = await erc1155Wrapper.getBalancesAsync(balanceHolders, balanceTokens);
|
|
const expectedInitialBalances = [
|
|
spenderInitialBalance, // Token ID 1 / Spender Balance
|
|
spenderInitialBalance, // Token ID 2 / Spender Balance
|
|
spenderInitialBalance, // Token ID 3 / Spender Balance
|
|
spenderInitialBalance, // Token ID 4 / Spender Balance
|
|
receiverInitialBalance, // Token ID 1 / Receiver Balance
|
|
receiverInitialBalance, // Token ID 2 / Receiver Balance
|
|
receiverInitialBalance, // Token ID 3 / Receiver Balance
|
|
receiverInitialBalance, // Token ID 4 / Receiver Balance
|
|
];
|
|
expect(initialBalances).to.be.deep.equal(expectedInitialBalances);
|
|
///// Step 3/5 /////
|
|
// Create optimized calldata. We format like the table below.
|
|
// 0x 0000000000000000000000000b1ba0af832d7c05fd64161e0db78e85978e8082 // ERC1155 contract address
|
|
// 0x20 0000000000000000000000000000000000000000000000000000000000000080 // Offset to token IDs
|
|
// 0x40 00000000000000000000000000000000000000000000000000000000000000e0 // Offset to token values
|
|
// 0x60 00000000000000000000000000000000000000000000000000000000000000e0 // Offset to data (same as values)
|
|
// 0x80 0000000000000000000000000000000000000000000000000000000000000002 // Length of token Ids
|
|
// 0xA0 0000000000000000000000000000000000000000000000000000000000000001 // First Token ID
|
|
// 0xC0 0000000000000000000000000000000000000000000000000000000000000002 // Second Token ID
|
|
// 0xE0 0000000000000000000000000000000000000000000000000000000000000002 // Length of values (Length of data)
|
|
// 0x100 0000000000000000000000000000000000000000000000000000000000000002 // First Value
|
|
// 0x120 0000000000000000000000000000000000000000000000000000000000000002 // Second Value
|
|
const erc1155ContractAddress = erc1155Wrapper.getContract().address;
|
|
const tokensToTransfer = [new BigNumber(1), new BigNumber(2)];
|
|
const valuesToTransfer = [new BigNumber(2), new BigNumber(2)];
|
|
const valueMultiplier = new BigNumber(2);
|
|
// create callback data that is the encoded version of `valuesToTransfer`
|
|
const generatedAssetData = assetDataContract
|
|
.ERC1155Assets(erc1155ContractAddress, tokensToTransfer, valuesToTransfer, receiverCallbackData)
|
|
.getABIEncodedTransactionData();
|
|
// remove the function selector and contract address from check, as these change on each test
|
|
const offsetToTokenIds = 74;
|
|
const assetDataSelectorAndContractAddress = generatedAssetData.substr(0, offsetToTokenIds);
|
|
const assetDataParameters =
|
|
'000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000e000000000000000000000000000000000000000000000000000000000000000e0000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002';
|
|
const assetData = `${assetDataSelectorAndContractAddress}${assetDataParameters}`;
|
|
///// Step 4/5 /////
|
|
// Transfer tokens
|
|
const txReceipt = await erc1155ProxyWrapper.transferFromAsync(
|
|
spender,
|
|
receiverContract,
|
|
erc1155Contract.address,
|
|
tokensToTransfer,
|
|
valuesToTransfer,
|
|
valueMultiplier,
|
|
receiverCallbackData,
|
|
authorized,
|
|
assetData,
|
|
);
|
|
// check receiver log ignored extra asset data
|
|
expect(txReceipt.logs.length).to.be.equal(2);
|
|
const receiverLog = txReceipt.logs[1] as LogWithDecodedArgs<
|
|
DummyERC1155ReceiverBatchTokenReceivedEventArgs
|
|
>;
|
|
expect(receiverLog.args.operator).to.be.equal(erc1155Proxy.address);
|
|
expect(receiverLog.args.from).to.be.equal(spender);
|
|
expect(receiverLog.args.tokenIds.length).to.be.deep.equal(2);
|
|
expect(receiverLog.args.tokenIds[0]).to.be.bignumber.equal(tokensToTransfer[0]);
|
|
expect(receiverLog.args.tokenIds[1]).to.be.bignumber.equal(tokensToTransfer[1]);
|
|
expect(receiverLog.args.tokenValues.length).to.be.deep.equal(2);
|
|
expect(receiverLog.args.tokenValues[0]).to.be.bignumber.equal(valuesToTransfer[0].times(valueMultiplier));
|
|
expect(receiverLog.args.tokenValues[1]).to.be.bignumber.equal(valuesToTransfer[1].times(valueMultiplier));
|
|
expect(receiverLog.args.data).to.be.deep.equal('0x0000');
|
|
///// Step 5/5 /////
|
|
// Validate final balances
|
|
const finalBalances = await erc1155Wrapper.getBalancesAsync(balanceHolders, balanceTokens);
|
|
const expectedAmountsTransferred = _.map(valuesToTransfer, value => {
|
|
return value.times(valueMultiplier);
|
|
});
|
|
const expectedFinalBalances = [
|
|
spenderInitialBalance.minus(expectedAmountsTransferred[0]), // Token ID 1 / Spender Balance
|
|
spenderInitialBalance.minus(expectedAmountsTransferred[1]), // Token ID 2 / Spender Balance
|
|
spenderInitialBalance, // Token ID 3 / Spender Balance
|
|
spenderInitialBalance, // Token ID 4 / Spender Balance
|
|
receiverInitialBalance.plus(expectedAmountsTransferred[0]), // Token ID 1 / Receiver Balance
|
|
receiverInitialBalance.plus(expectedAmountsTransferred[1]), // Token ID 2 / Receiver Balance
|
|
receiverInitialBalance, // Token ID 3 / Receiver Balance
|
|
receiverInitialBalance, // Token ID 4 / Receiver Balance
|
|
];
|
|
expect(finalBalances).to.be.deep.equal(expectedFinalBalances);
|
|
});
|
|
it('should successfully transfer if token ids, values and data are abi encoded to same entry in calldata', async () => {
|
|
/**
|
|
* This test combines the two tests above.
|
|
* Similar to the test above, the asset data must be manually constructed.
|
|
*/
|
|
///// Step 1/5 /////
|
|
// Create tokens with ids [1, 2, 3, 4] and mint a balance of 4 for the `spender`
|
|
const tokensToCreate = [new BigNumber(1), new BigNumber(2), new BigNumber(3), new BigNumber(4)];
|
|
const spenderInitialBalance = new BigNumber(4);
|
|
const receiverInitialBalance = new BigNumber(0);
|
|
const tokenUri = '';
|
|
for (const tokenToCreate of tokensToCreate) {
|
|
// create token
|
|
await erc1155Wrapper
|
|
.getContract()
|
|
.createWithType(tokenToCreate, tokenUri)
|
|
.awaitTransactionSuccessAsync({
|
|
from: owner,
|
|
});
|
|
|
|
// mint balance for spender
|
|
await erc1155Wrapper
|
|
.getContract()
|
|
.mintFungible(tokenToCreate, [spender], [spenderInitialBalance])
|
|
.awaitTransactionSuccessAsync({
|
|
from: owner,
|
|
});
|
|
}
|
|
///// Step 2/5 /////
|
|
// Check balances before transfer
|
|
const balanceHolders = [
|
|
spender,
|
|
spender,
|
|
spender,
|
|
spender,
|
|
receiverContract,
|
|
receiverContract,
|
|
receiverContract,
|
|
receiverContract,
|
|
];
|
|
const balanceTokens = tokensToCreate.concat(tokensToCreate);
|
|
const initialBalances = await erc1155Wrapper.getBalancesAsync(balanceHolders, balanceTokens);
|
|
const expectedInitialBalances = [
|
|
spenderInitialBalance, // Token ID 1 / Spender Balance
|
|
spenderInitialBalance, // Token ID 2 / Spender Balance
|
|
spenderInitialBalance, // Token ID 3 / Spender Balance
|
|
spenderInitialBalance, // Token ID 4 / Spender Balance
|
|
receiverInitialBalance, // Token ID 1 / Receiver Balance
|
|
receiverInitialBalance, // Token ID 2 / Receiver Balance
|
|
receiverInitialBalance, // Token ID 3 / Receiver Balance
|
|
receiverInitialBalance, // Token ID 4 / Receiver Balance
|
|
];
|
|
expect(initialBalances).to.be.deep.equal(expectedInitialBalances);
|
|
///// Step 3/5 /////
|
|
// Create optimized calldata. We format like the table below.
|
|
// 0x 0000000000000000000000000b1ba0af832d7c05fd64161e0db78e85978e8082 // ERC1155 contract address
|
|
// 0x20 0000000000000000000000000000000000000000000000000000000000000080 // Offset to token IDs
|
|
// 0x40 0000000000000000000000000000000000000000000000000000000000000080 // Offset to token values
|
|
// 0x60 0000000000000000000000000000000000000000000000000000000000000080 // Offset to data (same as values)
|
|
// 0x80 0000000000000000000000000000000000000000000000000000000000000002 // Length of token Ids (Length of values / data)
|
|
// 0xA0 0000000000000000000000000000000000000000000000000000000000000001 // First Token ID (First Value)
|
|
// 0xC0 0000000000000000000000000000000000000000000000000000000000000002 // Second Token ID (Second Value)
|
|
const erc1155ContractAddress = erc1155Wrapper.getContract().address;
|
|
const tokensToTransfer = [new BigNumber(1), new BigNumber(2)];
|
|
const valuesToTransfer = [new BigNumber(1), new BigNumber(2)];
|
|
const valueMultiplier = new BigNumber(2);
|
|
// create callback data that is the encoded version of `valuesToTransfer`
|
|
const generatedAssetData = assetDataContract
|
|
.ERC1155Assets(erc1155ContractAddress, tokensToTransfer, valuesToTransfer, receiverCallbackData)
|
|
.getABIEncodedTransactionData();
|
|
// remove the function selector and contract address from check, as these change on each test
|
|
const offsetToTokenIds = 74;
|
|
const assetDataSelectorAndContractAddress = generatedAssetData.substr(0, offsetToTokenIds);
|
|
const assetDataParameters =
|
|
'000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002';
|
|
const assetData = `${assetDataSelectorAndContractAddress}${assetDataParameters}`;
|
|
///// Step 4/5 /////
|
|
// Transfer tokens
|
|
const txReceipt = await erc1155ProxyWrapper.transferFromAsync(
|
|
spender,
|
|
receiverContract,
|
|
erc1155Contract.address,
|
|
tokensToTransfer,
|
|
valuesToTransfer,
|
|
valueMultiplier,
|
|
receiverCallbackData,
|
|
authorized,
|
|
assetData,
|
|
);
|
|
// check receiver log ignored extra asset data
|
|
expect(txReceipt.logs.length).to.be.equal(2);
|
|
const receiverLog = txReceipt.logs[1] as LogWithDecodedArgs<
|
|
DummyERC1155ReceiverBatchTokenReceivedEventArgs
|
|
>;
|
|
expect(receiverLog.args.operator).to.be.equal(erc1155Proxy.address);
|
|
expect(receiverLog.args.from).to.be.equal(spender);
|
|
expect(receiverLog.args.tokenIds.length).to.be.deep.equal(2);
|
|
expect(receiverLog.args.tokenIds[0]).to.be.bignumber.equal(tokensToTransfer[0]);
|
|
expect(receiverLog.args.tokenIds[1]).to.be.bignumber.equal(tokensToTransfer[1]);
|
|
expect(receiverLog.args.tokenValues.length).to.be.deep.equal(2);
|
|
expect(receiverLog.args.tokenValues[0]).to.be.bignumber.equal(valuesToTransfer[0].times(valueMultiplier));
|
|
expect(receiverLog.args.tokenValues[1]).to.be.bignumber.equal(valuesToTransfer[1].times(valueMultiplier));
|
|
expect(receiverLog.args.data).to.be.deep.equal('0x0000');
|
|
///// Step 5/5 /////
|
|
// Validate final balances
|
|
const finalBalances = await erc1155Wrapper.getBalancesAsync(balanceHolders, balanceTokens);
|
|
const expectedAmountsTransferred = _.map(valuesToTransfer, value => {
|
|
return value.times(valueMultiplier);
|
|
});
|
|
const expectedFinalBalances = [
|
|
spenderInitialBalance.minus(expectedAmountsTransferred[0]), // Token ID 1 / Spender Balance
|
|
spenderInitialBalance.minus(expectedAmountsTransferred[1]), // Token ID 2 / Spender Balance
|
|
spenderInitialBalance, // Token ID 3 / Spender Balance
|
|
spenderInitialBalance, // Token ID 4 / Spender Balance
|
|
receiverInitialBalance.plus(expectedAmountsTransferred[0]), // Token ID 1 / Receiver Balance
|
|
receiverInitialBalance.plus(expectedAmountsTransferred[1]), // Token ID 2 / Receiver Balance
|
|
receiverInitialBalance, // Token ID 3 / Receiver Balance
|
|
receiverInitialBalance, // Token ID 4 / Receiver Balance
|
|
];
|
|
expect(finalBalances).to.be.deep.equal(expectedFinalBalances);
|
|
});
|
|
it('should revert if token ids resolves to outside the bounds of calldata', async () => {
|
|
// setup test parameters
|
|
const tokensToTransfer = fungibleTokens.slice(0, 1);
|
|
const valuesToTransfer = [fungibleValueToTransferLarge];
|
|
const valueMultiplier = valueMultiplierSmall;
|
|
const erc1155ContractAddress = erc1155Wrapper.getContract().address;
|
|
const assetData = assetDataContract
|
|
.ERC1155Assets(erc1155ContractAddress, tokensToTransfer, valuesToTransfer, receiverCallbackData)
|
|
.getABIEncodedTransactionData();
|
|
// The asset data we just generated will look like this:
|
|
// a7cb5fb7
|
|
// 0x 0000000000000000000000000b1ba0af832d7c05fd64161e0db78e85978e8082
|
|
// 0x20 0000000000000000000000000000000000000000000000000000000000000080 // offset to token ids
|
|
// 0x40 00000000000000000000000000000000000000000000000000000000000000c0
|
|
// 0x60 0000000000000000000000000000000000000000000000000000000000000100
|
|
// 0x80 0000000000000000000000000000000000000000000000000000000000000001
|
|
// 0xA0 0000000000000000000000000000000100000000000000000000000000000000
|
|
// 0xC0 0000000000000000000000000000000000000000000000000000000000000001
|
|
// 0xE0 0000000000000000000000000000000000000000000000878678326eac900000
|
|
// 0x100 0000000000000000000000000000000000000000000000000000000000000004
|
|
// 0x120 0102030400000000000000000000000000000000000000000000000000000000
|
|
//
|
|
// We want to change the offset to token ids to point outside the calldata.
|
|
const encodedOffsetToTokenIds = '0000000000000000000000000000000000000000000000000000000000000080';
|
|
const badEncodedOffsetToTokenIds = '0000000000000000000000000000000000000000000000000000000000000180';
|
|
const assetDataWithBadTokenIdsOffset = assetData.replace(
|
|
encodedOffsetToTokenIds,
|
|
badEncodedOffsetToTokenIds,
|
|
);
|
|
// execute transfer
|
|
await expectTransactionFailedWithoutReasonAsync(
|
|
erc1155ProxyWrapper.transferFromAsync(
|
|
spender,
|
|
receiverContract,
|
|
erc1155Contract.address,
|
|
tokensToTransfer,
|
|
valuesToTransfer,
|
|
valueMultiplier,
|
|
receiverCallbackData,
|
|
authorized,
|
|
assetDataWithBadTokenIdsOffset,
|
|
),
|
|
);
|
|
});
|
|
it('should revert if an element of token ids lies to outside the bounds of calldata', async () => {
|
|
// setup test parameters
|
|
const tokensToTransfer = fungibleTokens.slice(0, 1);
|
|
const valuesToTransfer = [fungibleValueToTransferLarge];
|
|
const valueMultiplier = valueMultiplierSmall;
|
|
const erc1155ContractAddress = erc1155Wrapper.getContract().address;
|
|
const assetData = assetDataContract
|
|
.ERC1155Assets(erc1155ContractAddress, tokensToTransfer, valuesToTransfer, receiverCallbackData)
|
|
.getABIEncodedTransactionData();
|
|
// The asset data we just generated will look like this:
|
|
// a7cb5fb7
|
|
// 0x 0000000000000000000000000b1ba0af832d7c05fd64161e0db78e85978e8082
|
|
// 0x20 0000000000000000000000000000000000000000000000000000000000000080 // offset to token ids
|
|
// 0x40 00000000000000000000000000000000000000000000000000000000000000c0
|
|
// 0x60 0000000000000000000000000000000000000000000000000000000000000100
|
|
// 0x80 0000000000000000000000000000000000000000000000000000000000000001
|
|
// 0xA0 0000000000000000000000000000000100000000000000000000000000000000
|
|
// 0xC0 0000000000000000000000000000000000000000000000000000000000000001
|
|
// 0xE0 0000000000000000000000000000000000000000000000878678326eac900000
|
|
// 0x100 0000000000000000000000000000000000000000000000000000000000000004
|
|
// 0x120 0102030400000000000000000000000000000000000000000000000000000000
|
|
//
|
|
// We want to change the offset to token ids to the end of calldata.
|
|
// Then we'll add an invalid length: we encode length of 2 but only add 1 element.
|
|
const encodedOffsetToTokenIds = '0000000000000000000000000000000000000000000000000000000000000080';
|
|
const newEcodedOffsetToTokenIds = '0000000000000000000000000000000000000000000000000000000000000140';
|
|
const assetDataWithNewTokenIdsOffset = assetData.replace(
|
|
encodedOffsetToTokenIds,
|
|
newEcodedOffsetToTokenIds,
|
|
);
|
|
const encodedTokenIdsLength = '0000000000000000000000000000000000000000000000000000000000000002';
|
|
const encodedTokenIdValues = '0000000000000000000000000000000000000000000000000000000000000001';
|
|
const assetDataWithBadTokenIds = `${assetDataWithNewTokenIdsOffset}${encodedTokenIdsLength}${encodedTokenIdValues}`;
|
|
// execute transfer
|
|
await expectTransactionFailedWithoutReasonAsync(
|
|
erc1155ProxyWrapper.transferFromAsync(
|
|
spender,
|
|
receiverContract,
|
|
erc1155Contract.address,
|
|
tokensToTransfer,
|
|
valuesToTransfer,
|
|
valueMultiplier,
|
|
receiverCallbackData,
|
|
authorized,
|
|
assetDataWithBadTokenIds,
|
|
),
|
|
);
|
|
});
|
|
it('should revert token ids length overflows', async () => {
|
|
// setup test parameters
|
|
const tokensToTransfer = fungibleTokens.slice(0, 1);
|
|
const valuesToTransfer = [fungibleValueToTransferLarge];
|
|
const valueMultiplier = valueMultiplierSmall;
|
|
const erc1155ContractAddress = erc1155Wrapper.getContract().address;
|
|
const assetData = assetDataContract
|
|
.ERC1155Assets(erc1155ContractAddress, tokensToTransfer, valuesToTransfer, receiverCallbackData)
|
|
.getABIEncodedTransactionData();
|
|
// The asset data we just generated will look like this:
|
|
// a7cb5fb7
|
|
// 0x 0000000000000000000000000b1ba0af832d7c05fd64161e0db78e85978e8082
|
|
// 0x20 0000000000000000000000000000000000000000000000000000000000000080 // offset to token ids
|
|
// 0x40 00000000000000000000000000000000000000000000000000000000000000c0
|
|
// 0x60 0000000000000000000000000000000000000000000000000000000000000100
|
|
// 0x80 0000000000000000000000000000000000000000000000000000000000000001
|
|
// 0xA0 0000000000000000000000000000000100000000000000000000000000000000
|
|
// 0xC0 0000000000000000000000000000000000000000000000000000000000000001
|
|
// 0xE0 0000000000000000000000000000000000000000000000878678326eac900000
|
|
// 0x100 0000000000000000000000000000000000000000000000000000000000000004
|
|
// 0x120 0102030400000000000000000000000000000000000000000000000000000000
|
|
//
|
|
// We want to change the offset to token ids to point to the end of calldata
|
|
const encodedOffsetToTokenIds = '0000000000000000000000000000000000000000000000000000000000000080';
|
|
const badEncodedOffsetToTokenIds = '0000000000000000000000000000000000000000000000000000000000000140';
|
|
const assetDataWithBadTokenIdsOffset = assetData.replace(
|
|
encodedOffsetToTokenIds,
|
|
badEncodedOffsetToTokenIds,
|
|
);
|
|
// We want a length that will overflow when converted to bytes - ie, multiplied by 32.
|
|
const encodedIdsLengthOverflow = '0800000000000000000000000000000000000000000000000000000000000001';
|
|
const buffer = '0'.repeat(64 * 10);
|
|
const assetDataWithOverflow = `${assetDataWithBadTokenIdsOffset}${encodedIdsLengthOverflow}${buffer}`;
|
|
// execute transfer
|
|
await expectTransactionFailedWithoutReasonAsync(
|
|
erc1155ProxyWrapper.transferFromAsync(
|
|
spender,
|
|
receiverContract,
|
|
erc1155Contract.address,
|
|
tokensToTransfer,
|
|
valuesToTransfer,
|
|
valueMultiplier,
|
|
receiverCallbackData,
|
|
authorized,
|
|
assetDataWithOverflow,
|
|
),
|
|
);
|
|
});
|
|
it('should revert token values length overflows', async () => {
|
|
// setup test parameters
|
|
const tokensToTransfer = fungibleTokens.slice(0, 1);
|
|
const valuesToTransfer = [fungibleValueToTransferLarge];
|
|
const valueMultiplier = valueMultiplierSmall;
|
|
const erc1155ContractAddress = erc1155Wrapper.getContract().address;
|
|
const assetData = assetDataContract
|
|
.ERC1155Assets(erc1155ContractAddress, tokensToTransfer, valuesToTransfer, receiverCallbackData)
|
|
.getABIEncodedTransactionData();
|
|
// The asset data we just generated will look like this:
|
|
// a7cb5fb7
|
|
// 0x 0000000000000000000000000b1ba0af832d7c05fd64161e0db78e85978e8082
|
|
// 0x20 0000000000000000000000000000000000000000000000000000000000000080
|
|
// 0x40 00000000000000000000000000000000000000000000000000000000000000c0 // offset to token values
|
|
// 0x60 0000000000000000000000000000000000000000000000000000000000000100
|
|
// 0x80 0000000000000000000000000000000000000000000000000000000000000001
|
|
// 0xA0 0000000000000000000000000000000100000000000000000000000000000000
|
|
// 0xC0 0000000000000000000000000000000000000000000000000000000000000001
|
|
// 0xE0 0000000000000000000000000000000000000000000000878678326eac900000
|
|
// 0x100 0000000000000000000000000000000000000000000000000000000000000004
|
|
// 0x120 0102030400000000000000000000000000000000000000000000000000000000
|
|
//
|
|
// We want to change the offset to token values to point to the end of calldata
|
|
const encodedOffsetToTokenIds = '00000000000000000000000000000000000000000000000000000000000000c0';
|
|
const badEncodedOffsetToTokenIds = '0000000000000000000000000000000000000000000000000000000000000140';
|
|
const assetDataWithBadTokenIdsOffset = assetData.replace(
|
|
encodedOffsetToTokenIds,
|
|
badEncodedOffsetToTokenIds,
|
|
);
|
|
// We want a length that will overflow when converted to bytes - ie, multiplied by 32.
|
|
const encodedIdsLengthOverflow = '0800000000000000000000000000000000000000000000000000000000000001';
|
|
const buffer = '0'.repeat(64 * 10);
|
|
const assetDataWithOverflow = `${assetDataWithBadTokenIdsOffset}${encodedIdsLengthOverflow}${buffer}`;
|
|
// execute transfer
|
|
await expectTransactionFailedWithoutReasonAsync(
|
|
erc1155ProxyWrapper.transferFromAsync(
|
|
spender,
|
|
receiverContract,
|
|
erc1155Contract.address,
|
|
tokensToTransfer,
|
|
valuesToTransfer,
|
|
valueMultiplier,
|
|
receiverCallbackData,
|
|
authorized,
|
|
assetDataWithOverflow,
|
|
),
|
|
);
|
|
});
|
|
it('should revert token data length overflows', async () => {
|
|
// setup test parameters
|
|
const tokensToTransfer = fungibleTokens.slice(0, 1);
|
|
const valuesToTransfer = [fungibleValueToTransferLarge];
|
|
const valueMultiplier = valueMultiplierSmall;
|
|
const erc1155ContractAddress = erc1155Wrapper.getContract().address;
|
|
const assetData = assetDataContract
|
|
.ERC1155Assets(erc1155ContractAddress, tokensToTransfer, valuesToTransfer, receiverCallbackData)
|
|
.getABIEncodedTransactionData();
|
|
// The asset data we just generated will look like this:
|
|
// a7cb5fb7
|
|
// 0x 0000000000000000000000000b1ba0af832d7c05fd64161e0db78e85978e8082
|
|
// 0x20 0000000000000000000000000000000000000000000000000000000000000080
|
|
// 0x40 00000000000000000000000000000000000000000000000000000000000000c0
|
|
// 0x60 0000000000000000000000000000000000000000000000000000000000000100 // offset to token data
|
|
// 0x80 0000000000000000000000000000000000000000000000000000000000000001
|
|
// 0xA0 0000000000000000000000000000000100000000000000000000000000000000
|
|
// 0xC0 0000000000000000000000000000000000000000000000000000000000000001
|
|
// 0xE0 0000000000000000000000000000000000000000000000878678326eac900000
|
|
// 0x100 0000000000000000000000000000000000000000000000000000000000000004
|
|
// 0x120 0102030400000000000000000000000000000000000000000000000000000000
|
|
//
|
|
// We want to change the offset to token ids to point to the end of calldata,
|
|
// which we'll extend with a bad length.
|
|
const encodedOffsetToTokenIds = '0000000000000000000000000000000000000000000000000000000000000100';
|
|
const badEncodedOffsetToTokenIds = '0000000000000000000000000000000000000000000000000000000000000140';
|
|
const assetDataWithBadTokenIdsOffset = assetData.replace(
|
|
encodedOffsetToTokenIds,
|
|
badEncodedOffsetToTokenIds,
|
|
);
|
|
// We want a length that will overflow when converted to bytes - ie, multiplied by 32.
|
|
const encodedIdsLengthOverflow = '0800000000000000000000000000000000000000000000000000000000000001';
|
|
const buffer = '0'.repeat(64 * 10);
|
|
const assetDataWithOverflow = `${assetDataWithBadTokenIdsOffset}${encodedIdsLengthOverflow}${buffer}`;
|
|
// execute transfer
|
|
await expectTransactionFailedWithoutReasonAsync(
|
|
erc1155ProxyWrapper.transferFromAsync(
|
|
spender,
|
|
receiverContract,
|
|
erc1155Contract.address,
|
|
tokensToTransfer,
|
|
valuesToTransfer,
|
|
valueMultiplier,
|
|
receiverCallbackData,
|
|
authorized,
|
|
assetDataWithOverflow,
|
|
),
|
|
);
|
|
});
|
|
it('should revert if token values resolves to outside the bounds of calldata', async () => {
|
|
// setup test parameters
|
|
const tokensToTransfer = fungibleTokens.slice(0, 1);
|
|
const valuesToTransfer = [fungibleValueToTransferLarge];
|
|
const valueMultiplier = valueMultiplierSmall;
|
|
const erc1155ContractAddress = erc1155Wrapper.getContract().address;
|
|
const assetData = assetDataContract
|
|
.ERC1155Assets(erc1155ContractAddress, tokensToTransfer, valuesToTransfer, receiverCallbackData)
|
|
.getABIEncodedTransactionData();
|
|
// The asset data we just generated will look like this:
|
|
// a7cb5fb7
|
|
// 0x 0000000000000000000000000b1ba0af832d7c05fd64161e0db78e85978e8082
|
|
// 0x20 0000000000000000000000000000000000000000000000000000000000000080
|
|
// 0x40 00000000000000000000000000000000000000000000000000000000000000c0 // offset to token values
|
|
// 0x60 0000000000000000000000000000000000000000000000000000000000000100
|
|
// 0x80 0000000000000000000000000000000000000000000000000000000000000001
|
|
// 0xA0 0000000000000000000000000000000100000000000000000000000000000000
|
|
// 0xC0 0000000000000000000000000000000000000000000000000000000000000001
|
|
// 0xE0 0000000000000000000000000000000000000000000000878678326eac900000
|
|
// 0x100 0000000000000000000000000000000000000000000000000000000000000004
|
|
// 0x120 0102030400000000000000000000000000000000000000000000000000000000
|
|
//
|
|
// We want to change the offset to token values to point outside the calldata.
|
|
const encodedOffsetToTokenValues = '00000000000000000000000000000000000000000000000000000000000000c0';
|
|
const badEncodedOffsetToTokenValues = '00000000000000000000000000000000000000000000000000000000000001c0';
|
|
const assetDataWithBadTokenIdsOffset = assetData.replace(
|
|
encodedOffsetToTokenValues,
|
|
badEncodedOffsetToTokenValues,
|
|
);
|
|
// execute transfer
|
|
await expectTransactionFailedWithoutReasonAsync(
|
|
erc1155ProxyWrapper.transferFromAsync(
|
|
spender,
|
|
receiverContract,
|
|
erc1155Contract.address,
|
|
tokensToTransfer,
|
|
valuesToTransfer,
|
|
valueMultiplier,
|
|
receiverCallbackData,
|
|
authorized,
|
|
assetDataWithBadTokenIdsOffset,
|
|
),
|
|
);
|
|
});
|
|
it('should revert if an element of token values lies to outside the bounds of calldata', async () => {
|
|
// setup test parameters
|
|
const tokensToTransfer = fungibleTokens.slice(0, 1);
|
|
const valuesToTransfer = [fungibleValueToTransferLarge];
|
|
const valueMultiplier = valueMultiplierSmall;
|
|
const erc1155ContractAddress = erc1155Wrapper.getContract().address;
|
|
const assetData = assetDataContract
|
|
.ERC1155Assets(erc1155ContractAddress, tokensToTransfer, valuesToTransfer, receiverCallbackData)
|
|
.getABIEncodedTransactionData();
|
|
// The asset data we just generated will look like this:
|
|
// a7cb5fb7
|
|
// 0x 0000000000000000000000000b1ba0af832d7c05fd64161e0db78e85978e8082
|
|
// 0x20 0000000000000000000000000000000000000000000000000000000000000080
|
|
// 0x40 00000000000000000000000000000000000000000000000000000000000000c0 // offset to token values
|
|
// 0x60 0000000000000000000000000000000000000000000000000000000000000100
|
|
// 0x80 0000000000000000000000000000000000000000000000000000000000000001
|
|
// 0xA0 0000000000000000000000000000000100000000000000000000000000000000
|
|
// 0xC0 0000000000000000000000000000000000000000000000000000000000000001
|
|
// 0xE0 0000000000000000000000000000000000000000000000878678326eac900000
|
|
// 0x100 0000000000000000000000000000000000000000000000000000000000000004
|
|
// 0x120 0102030400000000000000000000000000000000000000000000000000000000
|
|
//
|
|
// We want to change the offset to token values to the end of calldata.
|
|
// Then we'll add an invalid length: we encode length of 2 but only add 1 element.
|
|
const encodedOffsetToTokenValues = '00000000000000000000000000000000000000000000000000000000000000c0';
|
|
const newEcodedOffsetToTokenValues = '0000000000000000000000000000000000000000000000000000000000000140';
|
|
const assetDataWithNewTokenValuesOffset = assetData.replace(
|
|
encodedOffsetToTokenValues,
|
|
newEcodedOffsetToTokenValues,
|
|
);
|
|
const encodedTokenValuesLength = '0000000000000000000000000000000000000000000000000000000000000002';
|
|
const encodedTokenValuesElements = '0000000000000000000000000000000000000000000000000000000000000001';
|
|
const assetDataWithBadTokenIds = `${assetDataWithNewTokenValuesOffset}${encodedTokenValuesLength}${encodedTokenValuesElements}`;
|
|
// execute transfer
|
|
await expectTransactionFailedWithoutReasonAsync(
|
|
erc1155ProxyWrapper.transferFromAsync(
|
|
spender,
|
|
receiverContract,
|
|
erc1155Contract.address,
|
|
tokensToTransfer,
|
|
valuesToTransfer,
|
|
valueMultiplier,
|
|
receiverCallbackData,
|
|
authorized,
|
|
assetDataWithBadTokenIds,
|
|
),
|
|
);
|
|
});
|
|
it('should revert if token data resolves to outside the bounds of calldata', async () => {
|
|
// setup test parameters
|
|
const tokensToTransfer = fungibleTokens.slice(0, 1);
|
|
const valuesToTransfer = [fungibleValueToTransferLarge];
|
|
const valueMultiplier = valueMultiplierSmall;
|
|
const erc1155ContractAddress = erc1155Wrapper.getContract().address;
|
|
const assetData = assetDataContract
|
|
.ERC1155Assets(erc1155ContractAddress, tokensToTransfer, valuesToTransfer, receiverCallbackData)
|
|
.getABIEncodedTransactionData();
|
|
// The asset data we just generated will look like this:
|
|
// a7cb5fb7
|
|
// 0x 0000000000000000000000000b1ba0af832d7c05fd64161e0db78e85978e8082
|
|
// 0x20 0000000000000000000000000000000000000000000000000000000000000080
|
|
// 0x40 00000000000000000000000000000000000000000000000000000000000000c0
|
|
// 0x60 0000000000000000000000000000000000000000000000000000000000000100 // offset to token data
|
|
// 0x80 0000000000000000000000000000000000000000000000000000000000000001
|
|
// 0xA0 0000000000000000000000000000000100000000000000000000000000000000
|
|
// 0xC0 0000000000000000000000000000000000000000000000000000000000000001
|
|
// 0xE0 0000000000000000000000000000000000000000000000878678326eac900000
|
|
// 0x100 0000000000000000000000000000000000000000000000000000000000000004
|
|
// 0x120 0102030400000000000000000000000000000000000000000000000000000000
|
|
//
|
|
// We want to change the offset to token data to point outside the calldata.
|
|
const encodedOffsetToTokenData = '0000000000000000000000000000000000000000000000000000000000000100';
|
|
const badEncodedOffsetToTokenData = '00000000000000000000000000000000000000000000000000000000000001c0';
|
|
const assetDataWithBadTokenDataOffset = assetData.replace(
|
|
encodedOffsetToTokenData,
|
|
badEncodedOffsetToTokenData,
|
|
);
|
|
// execute transfer
|
|
await expectTransactionFailedWithoutReasonAsync(
|
|
erc1155ProxyWrapper.transferFromAsync(
|
|
spender,
|
|
receiverContract,
|
|
erc1155Contract.address,
|
|
tokensToTransfer,
|
|
valuesToTransfer,
|
|
valueMultiplier,
|
|
receiverCallbackData,
|
|
authorized,
|
|
assetDataWithBadTokenDataOffset,
|
|
),
|
|
);
|
|
});
|
|
it('should revert if an element of token data lies to outside the bounds of calldata', async () => {
|
|
// setup test parameters
|
|
const tokensToTransfer = fungibleTokens.slice(0, 1);
|
|
const valuesToTransfer = [fungibleValueToTransferLarge];
|
|
const valueMultiplier = valueMultiplierSmall;
|
|
const erc1155ContractAddress = erc1155Wrapper.getContract().address;
|
|
const assetData = assetDataContract
|
|
.ERC1155Assets(erc1155ContractAddress, tokensToTransfer, valuesToTransfer, receiverCallbackData)
|
|
.getABIEncodedTransactionData();
|
|
// The asset data we just generated will look like this:
|
|
// a7cb5fb7
|
|
// 0x 0000000000000000000000000b1ba0af832d7c05fd64161e0db78e85978e8082
|
|
// 0x20 0000000000000000000000000000000000000000000000000000000000000080
|
|
// 0x40 00000000000000000000000000000000000000000000000000000000000000c0
|
|
// 0x60 0000000000000000000000000000000000000000000000000000000000000100 // offset to token data
|
|
// 0x80 0000000000000000000000000000000000000000000000000000000000000001
|
|
// 0xA0 0000000000000000000000000000000100000000000000000000000000000000
|
|
// 0xC0 0000000000000000000000000000000000000000000000000000000000000001
|
|
// 0xE0 0000000000000000000000000000000000000000000000878678326eac900000
|
|
// 0x100 0000000000000000000000000000000000000000000000000000000000000004
|
|
// 0x120 0102030400000000000000000000000000000000000000000000000000000000
|
|
//
|
|
// We want to change the offset to token data to the end of calldata.
|
|
// Then we'll add an invalid length: we encode length of 33 but only add 32 elements.
|
|
const encodedOffsetToTokenData = '0000000000000000000000000000000000000000000000000000000000000100';
|
|
const newEcodedOffsetToTokenData = '0000000000000000000000000000000000000000000000000000000000000140';
|
|
const assetDataWithNewTokenDataOffset = assetData.replace(
|
|
encodedOffsetToTokenData,
|
|
newEcodedOffsetToTokenData,
|
|
);
|
|
const encodedTokenDataLength = '0000000000000000000000000000000000000000000000000000000000000021';
|
|
const encodedTokenDataElements = '0000000000000000000000000000000000000000000000000000000000000001';
|
|
const assetDataWithBadTokenData = `${assetDataWithNewTokenDataOffset}${encodedTokenDataLength}${encodedTokenDataElements}`;
|
|
// execute transfer
|
|
await expectTransactionFailedWithoutReasonAsync(
|
|
erc1155ProxyWrapper.transferFromAsync(
|
|
spender,
|
|
receiverContract,
|
|
erc1155Contract.address,
|
|
tokensToTransfer,
|
|
valuesToTransfer,
|
|
valueMultiplier,
|
|
receiverCallbackData,
|
|
authorized,
|
|
assetDataWithBadTokenData,
|
|
),
|
|
);
|
|
});
|
|
it('should revert if asset data lies outside the bounds of calldata', async () => {
|
|
// setup test parameters
|
|
const tokensToTransfer = fungibleTokens.slice(0, 1);
|
|
const valuesToTransfer = [fungibleValueToTransferLarge];
|
|
const valueMultiplier = valueMultiplierSmall;
|
|
const erc1155ContractAddress = erc1155Wrapper.getContract().address;
|
|
const assetData = assetDataContract
|
|
.ERC1155Assets(erc1155ContractAddress, tokensToTransfer, valuesToTransfer, receiverCallbackData)
|
|
.getABIEncodedTransactionData();
|
|
const txData = await erc1155ProxyWrapper.getTransferFromAbiEncodedTxDataAsync(
|
|
spender,
|
|
receiverContract,
|
|
erc1155Contract.address,
|
|
tokensToTransfer,
|
|
valuesToTransfer,
|
|
valueMultiplier,
|
|
receiverCallbackData,
|
|
authorized,
|
|
assetData,
|
|
);
|
|
const offsetToAssetData = '0000000000000000000000000000000000000000000000000000000000000080';
|
|
const invalidOffsetToAssetData = '0000000000000000000000000000000000000000000000000000000000000180';
|
|
const badTxData = txData.replace(offsetToAssetData, invalidOffsetToAssetData);
|
|
// execute transfer
|
|
await expectTransactionFailedWithoutReasonAsync(
|
|
erc1155ProxyWrapper.transferFromRawAsync(badTxData, authorized),
|
|
);
|
|
});
|
|
it('should revert if asset data lies outside the bounds of calldata', async () => {
|
|
// setup test parameters
|
|
const tokensToTransfer = fungibleTokens.slice(0, 1);
|
|
const valuesToTransfer = [fungibleValueToTransferLarge];
|
|
const valueMultiplier = valueMultiplierSmall;
|
|
const erc1155ContractAddress = erc1155Wrapper.getContract().address;
|
|
const assetData = assetDataContract
|
|
.ERC1155Assets(erc1155ContractAddress, tokensToTransfer, valuesToTransfer, receiverCallbackData)
|
|
.getABIEncodedTransactionData();
|
|
const txData = await erc1155ProxyWrapper.getTransferFromAbiEncodedTxDataAsync(
|
|
spender,
|
|
receiverContract,
|
|
erc1155Contract.address,
|
|
tokensToTransfer,
|
|
valuesToTransfer,
|
|
valueMultiplier,
|
|
receiverCallbackData,
|
|
authorized,
|
|
assetData,
|
|
);
|
|
// append asset data to end of tx data with a length of 0x300 bytes, which will extend past actual calldata.
|
|
const offsetToAssetData = '0000000000000000000000000000000000000000000000000000000000000080';
|
|
const invalidOffsetToAssetData = '0000000000000000000000000000000000000000000000000000000000000200';
|
|
const newAssetData = '0000000000000000000000000000000000000000000000000000000000000304';
|
|
const badTxData = `${txData.replace(offsetToAssetData, invalidOffsetToAssetData)}${newAssetData}`;
|
|
// execute transfer
|
|
await expectTransactionFailedWithoutReasonAsync(
|
|
erc1155ProxyWrapper.transferFromRawAsync(badTxData, authorized),
|
|
);
|
|
});
|
|
it('should revert if length of assetData is less than 132 bytes', async () => {
|
|
// setup test parameters
|
|
const tokensToTransfer = fungibleTokens.slice(0, 1);
|
|
const valuesToTransfer = [fungibleValueToTransferLarge];
|
|
const valueMultiplier = valueMultiplierSmall;
|
|
// we'll construct asset data that has a 4 byte selector plus
|
|
// 96 byte payload. This results in asset data that is 100 bytes
|
|
// long and will trigger the `invalid length` error.
|
|
// we must be sure to use a # of bytes that is still %32
|
|
// so that we know the error is not triggered by another check in the code.
|
|
const zeros96Bytes = '0'.repeat(188);
|
|
const assetData131Bytes = `${AssetProxyId.ERC1155}${zeros96Bytes}`;
|
|
// execute transfer
|
|
await expectTransactionFailedWithoutReasonAsync(
|
|
erc1155ProxyWrapper.transferFromAsync(
|
|
spender,
|
|
receiverContract,
|
|
erc1155Contract.address,
|
|
tokensToTransfer,
|
|
valuesToTransfer,
|
|
valueMultiplier,
|
|
receiverCallbackData,
|
|
authorized,
|
|
assetData131Bytes,
|
|
),
|
|
);
|
|
});
|
|
it('should transfer nothing if value is zero', async () => {
|
|
// setup test parameters
|
|
const tokenHolders = [spender, receiver];
|
|
const tokensToTransfer = fungibleTokens.slice(0, 1);
|
|
const valuesToTransfer = [new BigNumber(0)];
|
|
const valueMultiplier = valueMultiplierSmall;
|
|
// check balances before transfer
|
|
const expectedInitialBalances = [spenderInitialFungibleBalance, receiverInitialFungibleBalance];
|
|
await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedInitialBalances);
|
|
// execute transfer
|
|
await erc1155ProxyWrapper.transferFromAsync(
|
|
spender,
|
|
receiver,
|
|
erc1155Contract.address,
|
|
tokensToTransfer,
|
|
valuesToTransfer,
|
|
valueMultiplier,
|
|
receiverCallbackData,
|
|
authorized,
|
|
);
|
|
// check balances after transfer
|
|
const expectedFinalBalances = [spenderInitialFungibleBalance, receiverInitialFungibleBalance];
|
|
await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedFinalBalances);
|
|
});
|
|
it('should transfer nothing if value multiplier is zero', async () => {
|
|
// setup test parameters
|
|
const tokenHolders = [spender, receiver];
|
|
const tokensToTransfer = fungibleTokens.slice(0, 1);
|
|
const valuesToTransfer = [fungibleValueToTransferLarge];
|
|
const valueMultiplier = new BigNumber(0);
|
|
// check balances before transfer
|
|
const expectedInitialBalances = [spenderInitialFungibleBalance, receiverInitialFungibleBalance];
|
|
await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedInitialBalances);
|
|
// execute transfer
|
|
await erc1155ProxyWrapper.transferFromAsync(
|
|
spender,
|
|
receiver,
|
|
erc1155Contract.address,
|
|
tokensToTransfer,
|
|
valuesToTransfer,
|
|
valueMultiplier,
|
|
receiverCallbackData,
|
|
authorized,
|
|
);
|
|
// check balances after transfer
|
|
const expectedFinalBalances = [spenderInitialFungibleBalance, receiverInitialFungibleBalance];
|
|
await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedFinalBalances);
|
|
});
|
|
it('should transfer nothing if there are no tokens in asset data', async () => {
|
|
// setup test parameters
|
|
const tokenHolders = [spender, receiver];
|
|
const tokensToTransfer: BigNumber[] = [];
|
|
const valuesToTransfer: BigNumber[] = [];
|
|
const valueMultiplier = valueMultiplierSmall;
|
|
// check balances before transfer
|
|
const expectedInitialBalances = [spenderInitialFungibleBalance, receiverInitialFungibleBalance];
|
|
await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedInitialBalances);
|
|
// execute transfer
|
|
await erc1155ProxyWrapper.transferFromAsync(
|
|
spender,
|
|
receiver,
|
|
erc1155Contract.address,
|
|
tokensToTransfer,
|
|
valuesToTransfer,
|
|
valueMultiplier,
|
|
receiverCallbackData,
|
|
authorized,
|
|
);
|
|
// check balances after transfer
|
|
const expectedFinalBalances = [spenderInitialFungibleBalance, receiverInitialFungibleBalance];
|
|
await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedFinalBalances);
|
|
});
|
|
it('should propagate revert reason from erc1155 contract failure', async () => {
|
|
// disable transfers
|
|
const shouldRejectTransfer = true;
|
|
await erc1155Receiver.setRejectTransferFlag(shouldRejectTransfer).awaitTransactionSuccessAsync({
|
|
from: owner,
|
|
});
|
|
// setup test parameters
|
|
const tokenHolders = [spender, receiverContract];
|
|
const tokensToTransfer = fungibleTokens.slice(0, 1);
|
|
const valuesToTransfer = [fungibleValueToTransferLarge];
|
|
const valueMultiplier = valueMultiplierSmall;
|
|
// check balances before transfer
|
|
const expectedInitialBalances = [spenderInitialFungibleBalance, receiverContractInitialFungibleBalance];
|
|
await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedInitialBalances);
|
|
// execute transfer
|
|
await expectTransactionFailedAsync(
|
|
erc1155ProxyWrapper.transferFromAsync(
|
|
spender,
|
|
receiverContract,
|
|
erc1155Contract.address,
|
|
tokensToTransfer,
|
|
valuesToTransfer,
|
|
valueMultiplier,
|
|
receiverCallbackData,
|
|
authorized,
|
|
),
|
|
RevertReason.TransferRejected,
|
|
);
|
|
});
|
|
it('should revert if transferring the same non-fungible token more than once', async () => {
|
|
// setup test parameters
|
|
const tokenHolders = [spender, receiver];
|
|
const nftToTransfer = nonFungibleTokensOwnedBySpender[0];
|
|
const tokensToTransfer = [nftToTransfer, nftToTransfer];
|
|
const valuesToTransfer = [nonFungibleValueToTransfer, nonFungibleValueToTransfer];
|
|
const valueMultiplier = valueMultiplierNft;
|
|
// check balances before transfer
|
|
const expectedInitialBalances = [
|
|
// spender
|
|
nftOwnerBalance,
|
|
nftOwnerBalance,
|
|
// receiver
|
|
nftNotOwnerBalance,
|
|
nftNotOwnerBalance,
|
|
];
|
|
await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedInitialBalances);
|
|
// execute transfer
|
|
await expectTransactionFailedAsync(
|
|
erc1155ProxyWrapper.transferFromAsync(
|
|
spender,
|
|
receiver,
|
|
erc1155Contract.address,
|
|
tokensToTransfer,
|
|
valuesToTransfer,
|
|
valueMultiplier,
|
|
receiverCallbackData,
|
|
authorized,
|
|
),
|
|
RevertReason.NFTNotOwnedByFromAddress,
|
|
);
|
|
});
|
|
it('should revert if there is a multiplication overflow', async () => {
|
|
// setup test parameters
|
|
const tokenHolders = [spender, receiver];
|
|
const tokensToTransfer = nonFungibleTokensOwnedBySpender.slice(0, 3);
|
|
const maxUintValue = new BigNumber(2).pow(256).minus(1);
|
|
const valuesToTransfer = [nonFungibleValueToTransfer, maxUintValue, nonFungibleValueToTransfer];
|
|
const valueMultiplier = new BigNumber(2);
|
|
// check balances before transfer
|
|
const expectedInitialBalances = [
|
|
// spender
|
|
nftOwnerBalance,
|
|
nftOwnerBalance,
|
|
nftOwnerBalance,
|
|
// receiver
|
|
nftNotOwnerBalance,
|
|
nftNotOwnerBalance,
|
|
nftNotOwnerBalance,
|
|
];
|
|
await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedInitialBalances);
|
|
const expectedError = new SafeMathRevertErrors.Uint256BinOpError(
|
|
SafeMathRevertErrors.BinOpErrorCodes.MultiplicationOverflow,
|
|
maxUintValue,
|
|
valueMultiplier,
|
|
);
|
|
// execute transfer
|
|
// note - this will overflow because we are trying to transfer `maxUintValue * 2` of the 2nd token
|
|
await expect(
|
|
erc1155ProxyWrapper.transferFromAsync(
|
|
spender,
|
|
receiver,
|
|
erc1155Contract.address,
|
|
tokensToTransfer,
|
|
valuesToTransfer,
|
|
valueMultiplier,
|
|
receiverCallbackData,
|
|
authorized,
|
|
),
|
|
).to.revertWith(expectedError);
|
|
});
|
|
it('should revert if transferring > 1 instances of a non-fungible token (valueMultiplier field >1)', async () => {
|
|
// setup test parameters
|
|
const tokenHolders = [spender, receiver];
|
|
const tokensToTransfer = nonFungibleTokensOwnedBySpender.slice(0, 1);
|
|
const valuesToTransfer = [nonFungibleValueToTransfer];
|
|
const valueMultiplier = new BigNumber(2);
|
|
// check balances before transfer
|
|
const expectedInitialBalances = [
|
|
// spender
|
|
nftOwnerBalance,
|
|
// receiver
|
|
nftNotOwnerBalance,
|
|
];
|
|
await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedInitialBalances);
|
|
// execute transfer
|
|
await expectTransactionFailedAsync(
|
|
erc1155ProxyWrapper.transferFromAsync(
|
|
spender,
|
|
receiver,
|
|
erc1155Contract.address,
|
|
tokensToTransfer,
|
|
valuesToTransfer,
|
|
valueMultiplier,
|
|
receiverCallbackData,
|
|
authorized,
|
|
),
|
|
RevertReason.AmountEqualToOneRequired,
|
|
);
|
|
});
|
|
it('should revert if transferring > 1 instances of a non-fungible token (`valuesToTransfer` field >1)', async () => {
|
|
// setup test parameters
|
|
const tokenHolders = [spender, receiver];
|
|
const tokensToTransfer = nonFungibleTokensOwnedBySpender.slice(0, 1);
|
|
const valuesToTransfer = [new BigNumber(2)];
|
|
const valueMultiplier = valueMultiplierNft;
|
|
// check balances before transfer
|
|
const expectedInitialBalances = [
|
|
// spender
|
|
nftOwnerBalance,
|
|
// receiver
|
|
nftNotOwnerBalance,
|
|
];
|
|
await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedInitialBalances);
|
|
// execute transfer
|
|
await expectTransactionFailedAsync(
|
|
erc1155ProxyWrapper.transferFromAsync(
|
|
spender,
|
|
receiver,
|
|
erc1155Contract.address,
|
|
tokensToTransfer,
|
|
valuesToTransfer,
|
|
valueMultiplier,
|
|
receiverCallbackData,
|
|
authorized,
|
|
),
|
|
RevertReason.AmountEqualToOneRequired,
|
|
);
|
|
});
|
|
it('should revert if sender balance is insufficient', async () => {
|
|
// setup test parameters
|
|
const tokenHolders = [spender, receiver];
|
|
const tokensToTransfer = fungibleTokens.slice(0, 1);
|
|
const valueGreaterThanSpenderBalance = spenderInitialFungibleBalance.plus(1);
|
|
const valuesToTransfer = [valueGreaterThanSpenderBalance];
|
|
const valueMultiplier = valueMultiplierSmall;
|
|
// check balances before transfer
|
|
const expectedInitialBalances = [spenderInitialFungibleBalance, receiverInitialFungibleBalance];
|
|
await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedInitialBalances);
|
|
const expectedError = new SafeMathRevertErrors.Uint256BinOpError(
|
|
SafeMathRevertErrors.BinOpErrorCodes.SubtractionUnderflow,
|
|
spenderInitialFungibleBalance,
|
|
valuesToTransfer[0].times(valueMultiplier),
|
|
);
|
|
// execute transfer
|
|
const tx = erc1155ProxyWrapper.transferFromAsync(
|
|
spender,
|
|
receiver,
|
|
erc1155Contract.address,
|
|
tokensToTransfer,
|
|
valuesToTransfer,
|
|
valueMultiplier,
|
|
receiverCallbackData,
|
|
authorized,
|
|
);
|
|
return expect(tx).to.revertWith(expectedError);
|
|
});
|
|
it('should revert if sender allowance is insufficient', async () => {
|
|
// dremove allowance for ERC1155 proxy
|
|
const wrapper = erc1155ProxyWrapper.getContractWrapper(erc1155Contract.address);
|
|
const isApproved = false;
|
|
await wrapper.setApprovalForAllAsync(spender, erc1155Proxy.address, isApproved);
|
|
const isApprovedActualValue = await wrapper.isApprovedForAllAsync(spender, erc1155Proxy.address);
|
|
expect(isApprovedActualValue).to.be.equal(isApproved);
|
|
// setup test parameters
|
|
const tokenHolders = [spender, receiver];
|
|
const tokensToTransfer = fungibleTokens.slice(0, 1);
|
|
const valuesToTransfer = [fungibleValueToTransferLarge];
|
|
const valueMultiplier = valueMultiplierSmall;
|
|
// check balances before transfer
|
|
const expectedInitialBalances = [spenderInitialFungibleBalance, receiverInitialFungibleBalance];
|
|
await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedInitialBalances);
|
|
// execute transfer
|
|
await expectTransactionFailedAsync(
|
|
erc1155ProxyWrapper.transferFromAsync(
|
|
spender,
|
|
receiver,
|
|
erc1155Contract.address,
|
|
tokensToTransfer,
|
|
valuesToTransfer,
|
|
valueMultiplier,
|
|
receiverCallbackData,
|
|
authorized,
|
|
),
|
|
RevertReason.InsufficientAllowance,
|
|
);
|
|
});
|
|
it('should revert if caller is not authorized', async () => {
|
|
// setup test parameters
|
|
const tokenHolders = [spender, receiver];
|
|
const tokensToTransfer = fungibleTokens.slice(0, 1);
|
|
const valuesToTransfer = [fungibleValueToTransferLarge];
|
|
const valueMultiplier = valueMultiplierSmall;
|
|
// check balances before transfer
|
|
const expectedInitialBalances = [spenderInitialFungibleBalance, receiverInitialFungibleBalance];
|
|
await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedInitialBalances);
|
|
// execute transfer
|
|
await expectTransactionFailedAsync(
|
|
erc1155ProxyWrapper.transferFromAsync(
|
|
spender,
|
|
receiver,
|
|
erc1155Contract.address,
|
|
tokensToTransfer,
|
|
valuesToTransfer,
|
|
valueMultiplier,
|
|
receiverCallbackData,
|
|
notAuthorized,
|
|
),
|
|
RevertReason.SenderNotAuthorized,
|
|
);
|
|
});
|
|
});
|
|
});
|
|
// tslint:enable:no-unnecessary-type-assertion
|
|
// tslint:disable:max-file-line-count
|