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import * as chai from 'chai';
import {Artifacts} from '../../../util/artifacts';
import {Balances} from '../../../util/balances';
import {constants} from '../../../util/constants';
import {ContractInstance} from '../../../util/types';
import {chaiSetup} from '../utils/chai_setup';
chaiSetup.configure();
const expect = chai.expect;
const {
TokenTransferProxy,
DummyToken,
TokenRegistry,
} = new Artifacts(artifacts);
contract('TokenTransferProxy', (accounts: string[]) => {
const INIT_BAL = 100000000;
const INIT_ALLOW = 100000000;
const owner = accounts[0];
const notAuthorized = owner;
let tokenTransferProxy: ContractInstance;
let tokenRegistry: ContractInstance;
let rep: ContractInstance;
let dmyBalances: Balances;
before(async () => {
[tokenTransferProxy, tokenRegistry] = await Promise.all([
TokenTransferProxy.deployed(),
TokenRegistry.deployed(),
]);
const repAddress = await tokenRegistry.getTokenAddressBySymbol('REP');
rep = DummyToken.at(repAddress);
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}),
]);
});
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.INVALID_OPCODE);
});
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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