protocol/contracts/staking/test/catastrophe_test.ts

94 lines
4.6 KiB
TypeScript

import { ERC20Wrapper } from '@0x/contracts-asset-proxy';
import { blockchainTests, describe, expect } from '@0x/contracts-test-utils';
import { BigNumber } from '@0x/utils';
import { LogWithDecodedArgs } from 'ethereum-types';
import * as _ from 'lodash';
import { StakingProxyReadOnlyModeSetEventArgs } from '../src';
import { deployAndConfigureContractsAsync, StakingApiWrapper } from './utils/api_wrapper';
import { toBaseUnitAmount } from './utils/number_utils';
// tslint:disable:no-unnecessary-type-assertion
blockchainTests.resets('Catastrophe Tests', env => {
// constants
const ZERO = new BigNumber(0);
// tokens & addresses
let accounts: string[];
let owner: string;
let actors: string[];
// wrappers
let stakingApiWrapper: StakingApiWrapper;
let erc20Wrapper: ERC20Wrapper;
// tests
before(async () => {
// create accounts
accounts = await env.web3Wrapper.getAvailableAddressesAsync();
owner = accounts[0];
actors = accounts.slice(2, 5);
// set up ERC20Wrapper
erc20Wrapper = new ERC20Wrapper(env.provider, accounts, owner);
// deploy staking contracts
stakingApiWrapper = await deployAndConfigureContractsAsync(env, owner, erc20Wrapper);
});
describe('Read-Only Mode', () => {
it('should be able to change state by default', async () => {
// stake some zrx and assert the balance
const amountToStake = toBaseUnitAmount(10);
await stakingApiWrapper.stakingContract.stake.awaitTransactionSuccessAsync(amountToStake, {
from: actors[0],
});
const activeStakeBalance = await stakingApiWrapper.stakingContract.getActiveStake.callAsync(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 stakingApiWrapper.stakingProxyContract.setReadOnlyMode.awaitTransactionSuccessAsync(true);
// try to stake
const amountToStake = toBaseUnitAmount(10);
await stakingApiWrapper.stakingContract.stake.awaitTransactionSuccessAsync(amountToStake, {
from: actors[0],
});
const activeStakeBalance = await stakingApiWrapper.stakingContract.getActiveStake.callAsync(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 = toBaseUnitAmount(10);
await stakingApiWrapper.stakingContract.stake.awaitTransactionSuccessAsync(amountToStake, {
from: actors[0],
});
// set to read-only mode
await stakingApiWrapper.stakingProxyContract.setReadOnlyMode.awaitTransactionSuccessAsync(true);
// read stake balance in read-only mode
const activeStakeBalanceReadOnly = await stakingApiWrapper.stakingContract.getActiveStake.callAsync(
actors[0],
);
expect(activeStakeBalanceReadOnly.currentEpochBalance).to.be.bignumber.equal(amountToStake);
});
it('should exit read-only mode', async () => {
// set to read-only mode
await stakingApiWrapper.stakingProxyContract.setReadOnlyMode.awaitTransactionSuccessAsync(true);
await stakingApiWrapper.stakingProxyContract.setReadOnlyMode.awaitTransactionSuccessAsync(false);
// try to stake
const amountToStake = toBaseUnitAmount(10);
await stakingApiWrapper.stakingContract.stake.awaitTransactionSuccessAsync(amountToStake, {
from: actors[0],
});
const activeStakeBalance = await stakingApiWrapper.stakingContract.getActiveStake.callAsync(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 stakingApiWrapper.stakingProxyContract.setReadOnlyMode.awaitTransactionSuccessAsync(
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