Files
protocol/packages/contracts/test/unlimited_allowance_token.ts
Fabio Berger 2b793f372a Merge branch 'v2-prototype' into refactor/contracts/remove0xjsDep
* v2-prototype:
  Fix tslint issues
  Add `are` to boolean naming conventions
  Fix tslint
  Fix the tsutils version, fixing ts typings issue
  Rename some variables in multi_sig_with_time_lock.ts
  Remove extra awaitTransactionMinedAsync calls
  Update artifacts
  Update yarn.lock
  Fix warnings in Metacoin
  Upgrade UglifyJS to include ES6 support
  Add CancelOrder and MatchOrder types
  Add missing return types
  Ignore classnames linter rule
  Apply changes to test/exchange/match_orders.ts
  Fix some unhandled promise rejections
  Add awaitTransactionMinedAsync after every sent transaction
  Add missing blockchainLifecycle calls to contracts tests

# Conflicts:
#	packages/contracts/src/utils/exchange_wrapper.ts
#	packages/contracts/test/asset_proxy/proxies.ts
#	packages/contracts/test/exchange/dispatcher.ts
#	packages/contracts/test/multi_sig_with_time_lock.ts
2018-05-22 13:02:21 -07:00

170 lines
8.1 KiB
TypeScript

import { ContractWrappers } from '@0xproject/contract-wrappers';
import { BlockchainLifecycle, devConstants, web3Factory } from '@0xproject/dev-utils';
import { BigNumber } from '@0xproject/utils';
import { Web3Wrapper } from '@0xproject/web3-wrapper';
import * as chai from 'chai';
import 'make-promises-safe';
import * as Web3 from 'web3';
import { DummyERC20TokenContract } from '../src/contract_wrappers/generated/dummy_e_r_c20_token';
import { artifacts } from '../src/utils/artifacts';
import { chaiSetup } from '../src/utils/chai_setup';
import { constants } from '../src/utils/constants';
import { provider, txDefaults, web3Wrapper } from '../src/utils/web3_wrapper';
chaiSetup.configure();
const expect = chai.expect;
const blockchainLifecycle = new BlockchainLifecycle(web3Wrapper);
describe('UnlimitedAllowanceToken', () => {
let owner: string;
let spender: string;
const contractWrappers = new ContractWrappers(provider, {
networkId: constants.TESTRPC_NETWORK_ID,
});
const MAX_MINT_VALUE = new BigNumber(100000000000000000000);
let tokenAddress: string;
let token: DummyERC20TokenContract;
before(async () => {
await blockchainLifecycle.startAsync();
});
after(async () => {
await blockchainLifecycle.revertAsync();
});
before(async () => {
const accounts = await web3Wrapper.getAvailableAddressesAsync();
owner = accounts[0];
spender = accounts[1];
token = await DummyERC20TokenContract.deployFrom0xArtifactAsync(
artifacts.DummyERC20Token,
provider,
txDefaults,
constants.DUMMY_TOKEN_NAME,
constants.DUMMY_TOKEN_SYMBOL,
constants.DUMMY_TOKEN_DECIMALS,
constants.DUMMY_TOKEN_TOTAL_SUPPLY,
);
await web3Wrapper.awaitTransactionMinedAsync(
await token.mint.sendTransactionAsync(MAX_MINT_VALUE, { from: owner }),
constants.AWAIT_TRANSACTION_MINED_MS,
);
tokenAddress = token.address;
});
beforeEach(async () => {
await blockchainLifecycle.startAsync();
});
afterEach(async () => {
await blockchainLifecycle.revertAsync();
});
describe('transfer', () => {
it('should throw if owner has insufficient balance', async () => {
const ownerBalance = await contractWrappers.token.getBalanceAsync(tokenAddress, owner);
const amountToTransfer = ownerBalance.plus(1);
return expect(token.transfer.callAsync(spender, amountToTransfer, { from: owner })).to.be.rejectedWith(
constants.REVERT,
);
});
it('should transfer balance from sender to receiver', async () => {
const receiver = spender;
const initOwnerBalance = await contractWrappers.token.getBalanceAsync(tokenAddress, owner);
const amountToTransfer = new BigNumber(1);
await contractWrappers.token.transferAsync(tokenAddress, owner, receiver, amountToTransfer);
const finalOwnerBalance = await contractWrappers.token.getBalanceAsync(tokenAddress, owner);
const finalReceiverBalance = await contractWrappers.token.getBalanceAsync(tokenAddress, receiver);
const expectedFinalOwnerBalance = initOwnerBalance.minus(amountToTransfer);
const expectedFinalReceiverBalance = amountToTransfer;
expect(finalOwnerBalance).to.be.bignumber.equal(expectedFinalOwnerBalance);
expect(finalReceiverBalance).to.be.bignumber.equal(expectedFinalReceiverBalance);
});
it('should return true on a 0 value transfer', async () => {
const didReturnTrue = await token.transfer.callAsync(spender, new BigNumber(0), {
from: owner,
});
expect(didReturnTrue).to.be.true();
});
});
describe('transferFrom', () => {
it('should throw if owner has insufficient balance', async () => {
const ownerBalance = await contractWrappers.token.getBalanceAsync(tokenAddress, owner);
const amountToTransfer = ownerBalance.plus(1);
await contractWrappers.token.setAllowanceAsync(tokenAddress, owner, spender, amountToTransfer);
return expect(
token.transferFrom.callAsync(owner, spender, amountToTransfer, {
from: spender,
}),
).to.be.rejectedWith(constants.REVERT);
});
it('should throw if spender has insufficient allowance', async () => {
const ownerBalance = await contractWrappers.token.getBalanceAsync(tokenAddress, owner);
const amountToTransfer = ownerBalance;
const spenderAllowance = await contractWrappers.token.getAllowanceAsync(tokenAddress, owner, spender);
const isSpenderAllowanceInsufficient = spenderAllowance.cmp(amountToTransfer) < 0;
expect(isSpenderAllowanceInsufficient).to.be.true();
return expect(
token.transferFrom.callAsync(owner, spender, amountToTransfer, {
from: spender,
}),
).to.be.rejectedWith(constants.REVERT);
});
it('should return true on a 0 value transfer', async () => {
const amountToTransfer = new BigNumber(0);
const didReturnTrue = await token.transferFrom.callAsync(owner, spender, amountToTransfer, {
from: spender,
});
expect(didReturnTrue).to.be.true();
});
it('should not modify spender allowance if spender allowance is 2^256 - 1', async () => {
const initOwnerBalance = await contractWrappers.token.getBalanceAsync(tokenAddress, owner);
const amountToTransfer = initOwnerBalance;
const initSpenderAllowance = contractWrappers.token.UNLIMITED_ALLOWANCE_IN_BASE_UNITS;
await contractWrappers.token.setAllowanceAsync(tokenAddress, owner, spender, initSpenderAllowance);
await contractWrappers.token.transferFromAsync(tokenAddress, owner, spender, spender, amountToTransfer, {
gasLimit: constants.MAX_TOKEN_TRANSFERFROM_GAS,
});
const newSpenderAllowance = await contractWrappers.token.getAllowanceAsync(tokenAddress, owner, spender);
expect(initSpenderAllowance).to.be.bignumber.equal(newSpenderAllowance);
});
it('should transfer the correct balances if spender has sufficient allowance', async () => {
const initOwnerBalance = await contractWrappers.token.getBalanceAsync(tokenAddress, owner);
const amountToTransfer = initOwnerBalance;
const initSpenderAllowance = initOwnerBalance;
await contractWrappers.token.setAllowanceAsync(tokenAddress, owner, spender, initSpenderAllowance);
await contractWrappers.token.transferFromAsync(tokenAddress, owner, spender, spender, amountToTransfer, {
gasLimit: constants.MAX_TOKEN_TRANSFERFROM_GAS,
});
const newOwnerBalance = await contractWrappers.token.getBalanceAsync(tokenAddress, owner);
const newSpenderBalance = await contractWrappers.token.getBalanceAsync(tokenAddress, spender);
expect(newOwnerBalance).to.be.bignumber.equal(0);
expect(newSpenderBalance).to.be.bignumber.equal(initOwnerBalance);
});
it('should modify allowance if spender has sufficient allowance less than 2^256 - 1', async () => {
const initOwnerBalance = await contractWrappers.token.getBalanceAsync(tokenAddress, owner);
const amountToTransfer = initOwnerBalance;
const initSpenderAllowance = initOwnerBalance;
await contractWrappers.token.setAllowanceAsync(tokenAddress, owner, spender, initSpenderAllowance);
await contractWrappers.token.transferFromAsync(tokenAddress, owner, spender, spender, amountToTransfer, {
gasLimit: constants.MAX_TOKEN_TRANSFERFROM_GAS,
});
const newSpenderAllowance = await contractWrappers.token.getAllowanceAsync(tokenAddress, owner, spender);
expect(newSpenderAllowance).to.be.bignumber.equal(0);
});
});
});