225 lines
11 KiB
TypeScript
225 lines
11 KiB
TypeScript
import 'mocha';
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import * as chai from 'chai';
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import {chaiSetup} from './utils/chai_setup';
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import * as Web3 from 'web3';
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import * as BigNumber from 'bignumber.js';
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import promisify = require('es6-promisify');
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import {web3Factory} from './utils/web3_factory';
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import {ZeroEx} from '../src/0x.js';
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import {ZeroExError, Token} from '../src/types';
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import {BlockchainLifecycle} from './utils/blockchain_lifecycle';
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chaiSetup.configure();
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const expect = chai.expect;
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const blockchainLifecycle = new BlockchainLifecycle();
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describe('TokenWrapper', () => {
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let web3: Web3;
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let zeroEx: ZeroEx;
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let userAddresses: string[];
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let tokens: Token[];
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let coinbase: string;
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let addressWithoutFunds: string;
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before(async () => {
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web3 = web3Factory.create();
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zeroEx = new ZeroEx(web3);
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userAddresses = await promisify(web3.eth.getAccounts)();
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tokens = await zeroEx.tokenRegistry.getTokensAsync();
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coinbase = userAddresses[0];
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addressWithoutFunds = userAddresses[1];
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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('#transferAsync', () => {
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let token: Token;
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let transferAmount: BigNumber.BigNumber;
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before(() => {
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token = tokens[0];
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transferAmount = new BigNumber(42);
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});
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it('should successfully transfer tokens', async () => {
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const fromAddress = coinbase;
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const toAddress = addressWithoutFunds;
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const preBalance = await zeroEx.token.getBalanceAsync(token.address, toAddress);
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expect(preBalance).to.be.bignumber.equal(0);
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await zeroEx.token.transferAsync(token.address, fromAddress, toAddress, transferAmount);
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const postBalance = await zeroEx.token.getBalanceAsync(token.address, toAddress);
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return expect(postBalance).to.be.bignumber.equal(transferAmount);
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});
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it('should fail to transfer tokens if fromAddress has an insufficient balance', async () => {
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const fromAddress = addressWithoutFunds;
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const toAddress = coinbase;
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return expect(zeroEx.token.transferAsync(
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token.address, fromAddress, toAddress, transferAmount,
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)).to.be.rejectedWith(ZeroExError.INSUFFICIENT_BALANCE_FOR_TRANSFER);
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});
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it('should throw a CONTRACT_DOES_NOT_EXIST error for a non-existent token contract', async () => {
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const nonExistentTokenAddress = '0x9dd402f14d67e001d8efbe6583e51bf9706aa065';
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const fromAddress = coinbase;
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const toAddress = coinbase;
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return expect(zeroEx.token.transferAsync(
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nonExistentTokenAddress, fromAddress, toAddress, transferAmount,
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)).to.be.rejectedWith(ZeroExError.CONTRACT_DOES_NOT_EXIST);
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});
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});
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describe('#transferFromAsync', () => {
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let token: Token;
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let toAddress: string;
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let senderAddress: string;
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before(async () => {
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token = tokens[0];
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toAddress = addressWithoutFunds;
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senderAddress = userAddresses[2];
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});
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it('should fail to transfer tokens if fromAddress has insufficient allowance set', async () => {
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const fromAddress = coinbase;
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const transferAmount = new BigNumber(42);
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const fromAddressBalance = await zeroEx.token.getBalanceAsync(token.address, fromAddress);
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expect(fromAddressBalance).to.be.bignumber.greaterThan(transferAmount);
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const fromAddressAllowance = await zeroEx.token.getAllowanceAsync(token.address, fromAddress,
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toAddress);
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expect(fromAddressAllowance).to.be.bignumber.equal(0);
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return expect(zeroEx.token.transferFromAsync(
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token.address, fromAddress, toAddress, senderAddress, transferAmount,
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)).to.be.rejectedWith(ZeroExError.INSUFFICIENT_ALLOWANCE_FOR_TRANSFER);
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});
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it('should fail to transfer tokens if fromAddress has insufficient balance', async () => {
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const fromAddress = addressWithoutFunds;
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const transferAmount = new BigNumber(42);
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const fromAddressBalance = await zeroEx.token.getBalanceAsync(token.address, fromAddress);
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expect(fromAddressBalance).to.be.bignumber.equal(0);
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await zeroEx.token.setAllowanceAsync(token.address, fromAddress, senderAddress, transferAmount);
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const fromAddressAllowance = await zeroEx.token.getAllowanceAsync(token.address, fromAddress,
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senderAddress);
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expect(fromAddressAllowance).to.be.bignumber.equal(transferAmount);
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return expect(zeroEx.token.transferFromAsync(
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token.address, fromAddress, toAddress, senderAddress, transferAmount,
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)).to.be.rejectedWith(ZeroExError.INSUFFICIENT_BALANCE_FOR_TRANSFER);
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});
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it('should successfully transfer tokens', async () => {
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const fromAddress = coinbase;
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const preBalance = await zeroEx.token.getBalanceAsync(token.address, toAddress);
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expect(preBalance).to.be.bignumber.equal(0);
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const transferAmount = new BigNumber(42);
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await zeroEx.token.setAllowanceAsync(token.address, fromAddress, senderAddress, transferAmount);
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await zeroEx.token.transferFromAsync(token.address, fromAddress, toAddress, senderAddress,
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transferAmount);
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const postBalance = await zeroEx.token.getBalanceAsync(token.address, toAddress);
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return expect(postBalance).to.be.bignumber.equal(transferAmount);
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});
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it('should throw a CONTRACT_DOES_NOT_EXIST error for a non-existent token contract', async () => {
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const fromAddress = coinbase;
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const nonExistentTokenAddress = '0x9dd402f14d67e001d8efbe6583e51bf9706aa065';
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return expect(zeroEx.token.transferFromAsync(
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nonExistentTokenAddress, fromAddress, toAddress, senderAddress, new BigNumber(42),
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)).to.be.rejectedWith(ZeroExError.CONTRACT_DOES_NOT_EXIST);
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});
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});
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describe('#getBalanceAsync', () => {
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it('should return the balance for an existing ERC20 token', async () => {
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const token = tokens[0];
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const ownerAddress = coinbase;
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const balance = await zeroEx.token.getBalanceAsync(token.address, ownerAddress);
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const expectedBalance = new BigNumber('100000000000000000000000000');
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return expect(balance).to.be.bignumber.equal(expectedBalance);
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});
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it('should throw a CONTRACT_DOES_NOT_EXIST error for a non-existent token contract', async () => {
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const nonExistentTokenAddress = '0x9dd402f14d67e001d8efbe6583e51bf9706aa065';
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const ownerAddress = coinbase;
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return expect(zeroEx.token.getBalanceAsync(nonExistentTokenAddress, ownerAddress))
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.to.be.rejectedWith(ZeroExError.CONTRACT_DOES_NOT_EXIST);
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});
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it('should return a balance of 0 for a non-existent owner address', async () => {
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const token = tokens[0];
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const nonExistentOwner = '0x198C6Ad858F213Fb31b6FE809E25040E6B964593';
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const balance = await zeroEx.token.getBalanceAsync(token.address, nonExistentOwner);
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const expectedBalance = new BigNumber(0);
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return expect(balance).to.be.bignumber.equal(expectedBalance);
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});
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});
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describe('#setAllowanceAsync', () => {
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it('should set the spender\'s allowance', async () => {
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const token = tokens[0];
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const ownerAddress = coinbase;
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const spenderAddress = addressWithoutFunds;
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const allowanceBeforeSet = await zeroEx.token.getAllowanceAsync(token.address, ownerAddress,
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spenderAddress);
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const expectedAllowanceBeforeAllowanceSet = new BigNumber(0);
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expect(allowanceBeforeSet).to.be.bignumber.equal(expectedAllowanceBeforeAllowanceSet);
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const amountInBaseUnits = new BigNumber(50);
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await zeroEx.token.setAllowanceAsync(token.address, ownerAddress, spenderAddress, amountInBaseUnits);
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const allowanceAfterSet = await zeroEx.token.getAllowanceAsync(token.address, ownerAddress, spenderAddress);
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const expectedAllowanceAfterAllowanceSet = amountInBaseUnits;
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return expect(allowanceAfterSet).to.be.bignumber.equal(expectedAllowanceAfterAllowanceSet);
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});
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});
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describe('#getAllowanceAsync', () => {
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it('should get the proxy allowance', async () => {
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const token = tokens[0];
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const ownerAddress = coinbase;
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const spenderAddress = addressWithoutFunds;
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const amountInBaseUnits = new BigNumber(50);
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await zeroEx.token.setAllowanceAsync(token.address, ownerAddress, spenderAddress, amountInBaseUnits);
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const allowance = await zeroEx.token.getAllowanceAsync(token.address, ownerAddress, spenderAddress);
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const expectedAllowance = amountInBaseUnits;
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return expect(allowance).to.be.bignumber.equal(expectedAllowance);
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});
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it('should return 0 if no allowance set yet', async () => {
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const token = tokens[0];
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const ownerAddress = coinbase;
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const spenderAddress = addressWithoutFunds;
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const allowance = await zeroEx.token.getAllowanceAsync(token.address, ownerAddress, spenderAddress);
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const expectedAllowance = new BigNumber(0);
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return expect(allowance).to.be.bignumber.equal(expectedAllowance);
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});
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});
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describe('#getProxyAllowanceAsync', () => {
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it('should get the proxy allowance', async () => {
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const token = tokens[0];
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const ownerAddress = coinbase;
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const amountInBaseUnits = new BigNumber(50);
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await zeroEx.token.setProxyAllowanceAsync(token.address, ownerAddress, amountInBaseUnits);
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const allowance = await zeroEx.token.getProxyAllowanceAsync(token.address, ownerAddress);
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const expectedAllowance = amountInBaseUnits;
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return expect(allowance).to.be.bignumber.equal(expectedAllowance);
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});
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});
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describe('#setProxyAllowanceAsync', () => {
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it('should set the proxy allowance', async () => {
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const token = tokens[0];
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const ownerAddress = coinbase;
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const allowanceBeforeSet = await zeroEx.token.getProxyAllowanceAsync(token.address, ownerAddress);
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const expectedAllowanceBeforeAllowanceSet = new BigNumber(0);
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expect(allowanceBeforeSet).to.be.bignumber.equal(expectedAllowanceBeforeAllowanceSet);
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const amountInBaseUnits = new BigNumber(50);
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await zeroEx.token.setProxyAllowanceAsync(token.address, ownerAddress, amountInBaseUnits);
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const allowanceAfterSet = await zeroEx.token.getProxyAllowanceAsync(token.address, ownerAddress);
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const expectedAllowanceAfterAllowanceSet = amountInBaseUnits;
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return expect(allowanceAfterSet).to.be.bignumber.equal(expectedAllowanceAfterAllowanceSet);
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});
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});
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});
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