protocol/contracts/staking/test/catastrophy_test.ts
2019-09-05 14:07:02 -07:00

90 lines
4.4 KiB
TypeScript

import { ERC20ProxyContract, ERC20Wrapper } from '@0x/contracts-asset-proxy';
import { DummyERC20TokenContract } from '@0x/contracts-erc20';
import { blockchainTests, describe, expect, provider, web3Wrapper } from '@0x/contracts-test-utils';
import { BigNumber } from '@0x/utils';
import { LogWithDecodedArgs } from 'ethereum-types';
import * as _ from 'lodash';
import { StakingProxyReadOnlyModeSetEventArgs } from '../src';
import { StakingWrapper } from './utils/staking_wrapper';
// tslint:disable:no-unnecessary-type-assertion
blockchainTests.resets('Catastrophy Tests', () => {
// constants
const ZRX_TOKEN_DECIMALS = new BigNumber(18);
const ZERO = new BigNumber(0);
// tokens & addresses
let accounts: string[];
let owner: string;
let actors: string[];
let zrxTokenContract: DummyERC20TokenContract;
let erc20ProxyContract: ERC20ProxyContract;
// wrappers
let stakingWrapper: StakingWrapper;
let erc20Wrapper: ERC20Wrapper;
// tests
before(async () => {
// create accounts
accounts = await web3Wrapper.getAvailableAddressesAsync();
owner = accounts[0];
actors = accounts.slice(2, 5);
// deploy erc20 proxy
erc20Wrapper = new ERC20Wrapper(provider, accounts, owner);
erc20ProxyContract = await erc20Wrapper.deployProxyAsync();
// deploy zrx token
[zrxTokenContract] = await erc20Wrapper.deployDummyTokensAsync(1, ZRX_TOKEN_DECIMALS);
await erc20Wrapper.setBalancesAndAllowancesAsync();
// deploy staking contracts
stakingWrapper = new StakingWrapper(provider, owner, erc20ProxyContract, zrxTokenContract, accounts);
await stakingWrapper.deployAndConfigureContractsAsync();
});
describe('Read-Only Mode', () => {
it('should be able to change state by default', async () => {
// stake some zrx and assert the balance
const amountToStake = StakingWrapper.toBaseUnitAmount(10);
await stakingWrapper.stakeAsync(actors[0], amountToStake);
const activeStakeBalance = await stakingWrapper.getActiveStakeAsync(actors[0]);
expect(activeStakeBalance.currentEpochBalance).to.be.bignumber.equal(amountToStake);
});
it('should not change state when in read-only mode', async () => {
// set to read-only mode
await stakingWrapper.setReadOnlyModeAsync(true);
// try to stake
const amountToStake = StakingWrapper.toBaseUnitAmount(10);
await stakingWrapper.stakeAsync(actors[0], amountToStake);
const activeStakeBalance = await stakingWrapper.getActiveStakeAsync(actors[0]);
expect(activeStakeBalance.currentEpochBalance).to.be.bignumber.equal(ZERO);
});
it('should read values correctly when in read-only mode', async () => {
// stake some zrx
const amountToStake = StakingWrapper.toBaseUnitAmount(10);
await stakingWrapper.stakeAsync(actors[0], amountToStake);
// set to read-only mode
await stakingWrapper.setReadOnlyModeAsync(true);
// read stake balance in read-only mode
const activeStakeBalanceReadOnly = await stakingWrapper.getActiveStakeAsync(actors[0]);
expect(activeStakeBalanceReadOnly.currentEpochBalance).to.be.bignumber.equal(amountToStake);
});
it('should exit read-only mode', async () => {
// set to read-only mode
await stakingWrapper.setReadOnlyModeAsync(true);
await stakingWrapper.setReadOnlyModeAsync(false);
// try to stake
const amountToStake = StakingWrapper.toBaseUnitAmount(10);
await stakingWrapper.stakeAsync(actors[0], amountToStake);
const activeStakeBalance = await stakingWrapper.getActiveStakeAsync(actors[0]);
expect(activeStakeBalance.currentEpochBalance).to.be.bignumber.equal(amountToStake);
});
it('should emit event when setting read-only mode', async () => {
// set to read-only mode
const txReceipt = await stakingWrapper.setReadOnlyModeAsync(true);
expect(txReceipt.logs.length).to.be.equal(1);
const trueLog = txReceipt.logs[0] as LogWithDecodedArgs<StakingProxyReadOnlyModeSetEventArgs>;
expect(trueLog.args.readOnlyMode).to.be.true();
});
});
});
// tslint:enable:no-unnecessary-type-assertion