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import { BlockchainLifecycle, devConstants, web3Factory } from '@0xproject/dev-utils';
import { Web3Wrapper } from '@0xproject/web3-wrapper';
import * as chai from 'chai';
import * as Web3 from 'web3';
import { Balances } from '../../util/balances';
import { constants } from '../../util/constants';
import { ContractName } from '../../util/types';
import { chaiSetup } from '../utils/chai_setup';
import { deployer } from '../utils/deployer';
chaiSetup.configure();
const expect = chai.expect;
const web3 = web3Factory.create();
const web3Wrapper = new Web3Wrapper(web3.currentProvider);
const blockchainLifecycle = new BlockchainLifecycle();
describe('TokenTransferProxy', () => {
let accounts: string[];
let owner: string;
let notAuthorized: string;
const INIT_BAL = 100000000;
const INIT_ALLOW = 100000000;
let tokenTransferProxy: Web3.ContractInstance;
let rep: Web3.ContractInstance;
let dmyBalances: Balances;
before(async () => {
accounts = await web3Wrapper.getAvailableAddressesAsync();
owner = notAuthorized = accounts[0];
tokenTransferProxy = await deployer.deployAsync(ContractName.TokenTransferProxy);
rep = await deployer.deployAsync(ContractName.DummyToken);
dmyBalances = new Balances([rep], [accounts[0], accounts[1]]);
await Promise.all([
rep.approve(tokenTransferProxy.address, INIT_ALLOW, {
from: accounts[0],
}),
rep.setBalance(accounts[0], INIT_BAL, { from: owner }),
rep.approve(tokenTransferProxy.address, INIT_ALLOW, {
from: accounts[1],
}),
rep.setBalance(accounts[1], INIT_BAL, { from: owner }),
]);
});
beforeEach(async () => {
await blockchainLifecycle.startAsync();
});
afterEach(async () => {
await blockchainLifecycle.revertAsync();
});
describe('transferFrom', () => {
it('should throw when called by an unauthorized address', async () => {
expect(
tokenTransferProxy.transferFrom(rep.address, accounts[0], accounts[1], 1000, { from: notAuthorized }),
).to.be.rejectedWith(constants.REVERT);
});
it('should allow an authorized address to transfer', async () => {
const balances = await dmyBalances.getAsync();
await tokenTransferProxy.addAuthorizedAddress(notAuthorized, {
from: owner,
});
const transferAmt = 10000;
await tokenTransferProxy.transferFrom(rep.address, accounts[0], accounts[1], transferAmt, {
from: notAuthorized,
});
const newBalances = await dmyBalances.getAsync();
expect(newBalances[accounts[0]][rep.address]).to.be.bignumber.equal(
balances[accounts[0]][rep.address].minus(transferAmt),
);
expect(newBalances[accounts[1]][rep.address]).to.be.bignumber.equal(
balances[accounts[1]][rep.address].add(transferAmt),
);
});
});
});
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