1333 lines
		
	
	
		
			76 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			1333 lines
		
	
	
		
			76 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
import {
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						|
    chaiSetup,
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    constants,
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    expectTransactionFailedAsync,
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						|
    provider,
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    txDefaults,
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						|
    web3Wrapper,
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						|
} from '@0x/contracts-test-utils';
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import { DummyERC20TokenContract } from '@0x/contracts-erc20';
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import { BlockchainLifecycle } from '@0x/dev-utils';
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import { RevertReason } from '@0x/types';
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import { BigNumber } from '@0x/utils';
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import * as chai from 'chai';
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import { LogWithDecodedArgs } from 'ethereum-types';
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import * as _ from 'lodash';
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import { constants as stakingConstants } from './utils/constants';
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import { StakingWrapper } from './utils/staking_wrapper';
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import { ERC20Wrapper, ERC20ProxyContract } from '@0x/contracts-asset-proxy';
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import { StakingContract } from '../src';
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import { StakerActor } from './actors/StakerActor';
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import { DelegatorActor } from './actors/DelegatorActor';
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chaiSetup.configure();
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const expect = chai.expect;
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const blockchainLifecycle = new BlockchainLifecycle(web3Wrapper);
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// tslint:disable:no-unnecessary-type-assertion
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describe('Staking Core', () => {
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    // constants
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    const ZRX_TOKEN_DECIMALS = new BigNumber(18);
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    // tokens & addresses
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    let accounts: string[];
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    let owner: string;
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    let exchange: string;
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    let stakers: string[];
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    let makers: string[];
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    let delegators: string[];
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    let zrxTokenContract: DummyERC20TokenContract;
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    let erc20ProxyContract: ERC20ProxyContract;
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    // wrappers
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    let stakingWrapper: StakingWrapper;
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    let erc20Wrapper: ERC20Wrapper;
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    // tests
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    before(async () => {
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        await blockchainLifecycle.startAsync();
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    });
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    after(async () => {
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        await blockchainLifecycle.revertAsync();
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    });
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    before(async () => {
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        // create accounts
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        accounts = await web3Wrapper.getAvailableAddressesAsync();
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        owner = accounts[0];
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        exchange = accounts[1];
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        stakers = accounts.slice(2, 5);
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        makers = accounts.slice(4, 10);
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        // deploy erc20 proxy
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        erc20Wrapper = new ERC20Wrapper(provider, accounts, owner);
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        erc20ProxyContract = await erc20Wrapper.deployProxyAsync();
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        // deploy zrx token
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        [zrxTokenContract] = await erc20Wrapper.deployDummyTokensAsync(1, ZRX_TOKEN_DECIMALS);
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        await erc20Wrapper.setBalancesAndAllowancesAsync();
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        // deploy staking contracts
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        stakingWrapper = new StakingWrapper(provider, owner, erc20ProxyContract, zrxTokenContract, accounts);
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        await stakingWrapper.deployAndConfigureContracts();
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    });
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    beforeEach(async () => {
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        await blockchainLifecycle.startAsync();
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    });
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    afterEach(async () => {
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        await blockchainLifecycle.revertAsync();
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    });
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    describe('end-to-end tests', () => {
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        it('epochs & timelock periods', async () => {
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            ///// 0/3 Validate Assumptions /////
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            expect(await stakingWrapper.getEpochPeriodInSecondsAsync()).to.be.bignumber.equal(stakingConstants.EPOCH_PERIOD_IN_SECONDS);
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            expect(await stakingWrapper.getTimelockPeriodInEpochsAsync()).to.be.bignumber.equal(stakingConstants.TIMELOCK_PERIOD_IN_EPOCHS);
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            ///// 1/3 Validate Initial Epoch & Timelock Period /////
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            {
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                // epoch
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                const currentEpoch = await stakingWrapper.getCurrentEpochAsync();
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                expect(currentEpoch).to.be.bignumber.equal(stakingConstants.INITIAL_EPOCH);
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                // timelock period
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                const currentTimelockPeriod = await stakingWrapper.getCurrentTimelockPeriodAsync();
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                expect(currentTimelockPeriod).to.be.bignumber.equal(stakingConstants.INITIAL_TIMELOCK_PERIOD);
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            }
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            ///// 2/3 Increment Epoch (Timelock Should Not Increment) /////
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            await stakingWrapper.skipToNextEpochAsync();
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            {
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                // epoch
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                const currentEpoch = await stakingWrapper.getCurrentEpochAsync();
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                expect(currentEpoch).to.be.bignumber.equal(stakingConstants.INITIAL_EPOCH.plus(1));
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                // timelock period
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                const currentTimelockPeriod = await stakingWrapper.getCurrentTimelockPeriodAsync();
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                expect(currentTimelockPeriod).to.be.bignumber.equal(stakingConstants.INITIAL_TIMELOCK_PERIOD);
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            }
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            ///// 3/3 Increment Epoch (Timelock Should Increment) /////
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            await stakingWrapper.skipToNextTimelockPeriodAsync();
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            {
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                // timelock period
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                const currentTimelockPeriod = await stakingWrapper.getCurrentTimelockPeriodAsync();
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                expect(currentTimelockPeriod).to.be.bignumber.equal(stakingConstants.INITIAL_TIMELOCK_PERIOD.plus(1));
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            }
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        });
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        it.only('staking/unstaking', async () => {
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            // setup test parameters
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            const amountToStake = stakingWrapper.toBaseUnitAmount(10);
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            const amountToDeactivate = stakingWrapper.toBaseUnitAmount(4);
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            const amountToReactivate = stakingWrapper.toBaseUnitAmount(1);
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            const amountToWithdraw = stakingWrapper.toBaseUnitAmount(1.5);
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            // run test - this actor will validate its own state
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            const staker = new StakerActor(stakers[0], stakingWrapper);
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            await staker.depositAndStakeAsync(amountToStake);
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            await staker.deactivateAndTimelockStakeAsync(amountToDeactivate);
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            // note - we cannot re-activate this timelocked stake until at least one full timelock period has passed.
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            //        attempting to do so should revert.
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            await staker.activateStakeAsync(amountToReactivate, RevertReason.InsufficientBalance);
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            await staker.skipToNextTimelockPeriodAsync();
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            await staker.activateStakeAsync(amountToReactivate, RevertReason.InsufficientBalance);
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            await staker.skipToNextTimelockPeriodAsync();
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            // this forces the internal state to update; it is not necessary to activate stake, but
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            // allows us to check that state is updated correctly after a timelock period rolls over.
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            await staker.forceTimelockSyncAsync();
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            // now we can activate stake
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            await staker.activateStakeAsync(amountToReactivate);
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            await staker.withdrawAsync(amountToWithdraw);
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        });
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        it.only('delegating/undelegating', async () => {
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            // setup test parameters
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            const amountToDelegate = stakingWrapper.toBaseUnitAmount(10);
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            const amountToDeactivate = stakingWrapper.toBaseUnitAmount(4);
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            const amountToReactivate = stakingWrapper.toBaseUnitAmount(1);
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            const amountToWithdraw = stakingWrapper.toBaseUnitAmount(1.5);
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            const poolOperator = stakers[1];
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            const operatorShare = 39;
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            const poolId = await stakingWrapper.createPoolAsync(poolOperator, operatorShare);
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            // run test
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            const delegator = new DelegatorActor(stakers[0], stakingWrapper);
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            await delegator.depositAndDelegateAsync(poolId, amountToDelegate);
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            await delegator.deactivateAndTimelockDelegatedStakeAsync(poolId, amountToDeactivate);
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            // note - we cannot re-activate this timelocked stake until at least one full timelock period has passed.
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            //        attempting to do so should revert.
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            await delegator.activateStakeAsync(amountToReactivate, RevertReason.InsufficientBalance);
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            await delegator.skipToNextTimelockPeriodAsync();
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            await delegator.activateStakeAsync(amountToReactivate, RevertReason.InsufficientBalance);
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            await delegator.skipToNextTimelockPeriodAsync();
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            // this forces the internal state to update; it is not necessary to activate stake, but
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            // allows us to check that state is updated correctly after a timelock period rolls over.
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            await delegator.forceTimelockSyncAsync();
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            // now we can activate stake
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            await delegator.activateAndDelegateStakeAsync(poolId, amountToReactivate);
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            await delegator.withdrawAsync(amountToWithdraw);
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        });
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        it('Exchange Tracking', async () => {
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            // 1 try querying an invalid addresses
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            const invalidAddress = "0x0000000000000000000000000000000000000001";
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            const isInvalidAddressValid = await stakingWrapper.isValidExchangeAddressAsync(invalidAddress);
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            expect(isInvalidAddressValid).to.be.false();
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            // 2 add valid address
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            await stakingWrapper.addExchangeAddressAsync(exchange);
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            const isValidAddressValid = await stakingWrapper.isValidExchangeAddressAsync(exchange);
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            expect(isValidAddressValid).to.be.true();
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            // 3 try adding valid address again
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            await expectTransactionFailedAsync(
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                stakingWrapper.addExchangeAddressAsync(exchange),
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                RevertReason.ExchangeAddressAlreadyRegistered
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            );
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            // 4 remove valid address
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            await stakingWrapper.removeExchangeAddressAsync(exchange);
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            const isValidAddressStillValid = await stakingWrapper.isValidExchangeAddressAsync(exchange);
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            expect(isValidAddressStillValid).to.be.false();
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            // 5 try removing valid address again
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            await expectTransactionFailedAsync(
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                stakingWrapper.removeExchangeAddressAsync(exchange),
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                RevertReason.ExchangeAddressNotRegistered
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            );
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        });
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        it.skip('Reward Vault', async () => {
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            // 1 setup test parameters
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            const poolOperator = stakers[1];
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            const operatorShare = 39;
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            const poolId = await stakingWrapper.createPoolAsync(poolOperator, operatorShare);
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            const stakingContractAddress = stakingWrapper.getStakingContract().address;
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            const notStakingContractAddress = poolOperator;
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            // create pool in vault
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            await stakingWrapper.rewardVaultCreatePoolAsync(poolId, operatorShare, stakingContractAddress);
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            // should fail to create pool if it already exists
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            await expectTransactionFailedAsync(
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                stakingWrapper.rewardVaultCreatePoolAsync(poolId, operatorShare, stakingContractAddress),
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                RevertReason.PoolAlreadyExists
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            );
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            // should fail to create a pool from an address other than the staking contract
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            await expectTransactionFailedAsync(
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                stakingWrapper.rewardVaultCreatePoolAsync(poolId,  operatorShare, notStakingContractAddress),
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                RevertReason.OnlyCallableByStakingContract
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            );
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        });
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        it('Protocol Fees', async () => {
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            ///// 0 DEPLOY EXCHANGE /////
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            await stakingWrapper.addExchangeAddressAsync(exchange);
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            ///// 1 SETUP POOLS /////
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            const poolOperators = stakers.slice(0, 3);
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            const operatorShares = [39, 59, 43];
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            const poolIds = await Promise.all([
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                stakingWrapper.createPoolAsync(poolOperators[0], operatorShares[0]),
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                stakingWrapper.createPoolAsync(poolOperators[1], operatorShares[1]),
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                stakingWrapper.createPoolAsync(poolOperators[2], operatorShares[2]),
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            ]);
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            const makersByPoolId = [
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                [
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                    makers[0],
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                ],
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                [
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                    makers[1],
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                    makers[2]
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                ],
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                [
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                    makers[3],
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                    makers[4],
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                    makers[5]
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                ],
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            ];
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            const protocolFeesByMaker = [
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                // pool 1 - adds up to protocolFeesByPoolId[0]
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                stakingWrapper.toBaseUnitAmount(0.304958),
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                // pool 2 - adds up to protocolFeesByPoolId[1]
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                stakingWrapper.toBaseUnitAmount(3.2),
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                stakingWrapper.toBaseUnitAmount(12.123258),
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                // pool 3 - adds up to protocolFeesByPoolId[2]
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                stakingWrapper.toBaseUnitAmount(23.577),
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                stakingWrapper.toBaseUnitAmount(4.54522236),
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                stakingWrapper.toBaseUnitAmount(0)
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            ];
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            const makerSignatures = [
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                // pool 0
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                stakingWrapper.signApprovalForStakingPool(poolIds[0], makersByPoolId[0][0]).signature,
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                // pool 1
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                stakingWrapper.signApprovalForStakingPool(poolIds[1], makersByPoolId[1][0]).signature,
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                stakingWrapper.signApprovalForStakingPool(poolIds[1], makersByPoolId[1][1]).signature,
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                // pool 2
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                stakingWrapper.signApprovalForStakingPool(poolIds[2], makersByPoolId[2][0]).signature,
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                stakingWrapper.signApprovalForStakingPool(poolIds[2], makersByPoolId[2][1]).signature,
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                stakingWrapper.signApprovalForStakingPool(poolIds[2], makersByPoolId[2][2]).signature,
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            ]
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            await Promise.all([
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                // pool 0
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                stakingWrapper.addMakerToPoolAsync(poolIds[0], makersByPoolId[0][0], makerSignatures[0], poolOperators[0]),
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                // pool 1
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                stakingWrapper.addMakerToPoolAsync(poolIds[1], makersByPoolId[1][0], makerSignatures[1], poolOperators[1]),
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                stakingWrapper.addMakerToPoolAsync(poolIds[1], makersByPoolId[1][1], makerSignatures[2], poolOperators[1]),
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                // pool 2
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                stakingWrapper.addMakerToPoolAsync(poolIds[2], makersByPoolId[2][0], makerSignatures[3], poolOperators[2]),
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                stakingWrapper.addMakerToPoolAsync(poolIds[2], makersByPoolId[2][1], makerSignatures[4], poolOperators[2]),
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                stakingWrapper.addMakerToPoolAsync(poolIds[2], makersByPoolId[2][2], makerSignatures[5], poolOperators[2]),
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            ]);
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            ///// 2 PAY FEES /////
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            await Promise.all([
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                // pool 0 - split into two payments
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                stakingWrapper.payProtocolFeeAsync(makers[0], protocolFeesByMaker[0].div(2), exchange),
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                stakingWrapper.payProtocolFeeAsync(makers[0], protocolFeesByMaker[0].div(2), exchange),
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                // pool 1 - pay full amounts
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                stakingWrapper.payProtocolFeeAsync(makers[1], protocolFeesByMaker[1], exchange),
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                stakingWrapper.payProtocolFeeAsync(makers[2], protocolFeesByMaker[2], exchange),
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                // pool 2 -- pay full amounts
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                stakingWrapper.payProtocolFeeAsync(makers[3], protocolFeesByMaker[3], exchange),
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                stakingWrapper.payProtocolFeeAsync(makers[4], protocolFeesByMaker[4], exchange),
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                // maker 5 doesn't pay anything
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            ]);
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            ///// 3 VALIDATE FEES RECORDED FOR EACH POOL /////
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            const recordedProtocolFeesByPool = await Promise.all([
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                stakingWrapper.getProtocolFeesThisEpochByPoolAsync(poolIds[0]),
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                stakingWrapper.getProtocolFeesThisEpochByPoolAsync(poolIds[1]),
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                stakingWrapper.getProtocolFeesThisEpochByPoolAsync(poolIds[2]),
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            ]);
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            expect(recordedProtocolFeesByPool[0]).to.be.bignumber.equal(protocolFeesByMaker[0]);
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            expect(recordedProtocolFeesByPool[1]).to.be.bignumber.equal(protocolFeesByMaker[1].plus(protocolFeesByMaker[2]));
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            expect(recordedProtocolFeesByPool[2]).to.be.bignumber.equal(protocolFeesByMaker[3].plus(protocolFeesByMaker[4]));
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            ///// 4 VALIDATE TOTAL FEES /////
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            const recordedTotalProtocolFees = await stakingWrapper.getTotalProtocolFeesThisEpochAsync();
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            const totalProtocolFeesAsNumber = _.sumBy(protocolFeesByMaker, (value: BigNumber) => {return value.toNumber()});
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            const totalProtocolFees = new BigNumber(totalProtocolFeesAsNumber);
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            expect(recordedTotalProtocolFees).to.be.bignumber.equal(totalProtocolFees);
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            ///// 5 TRY TO RECORD FEE FROM ADDRESS OTHER THAN 0x EXCHANGE /////
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            await expectTransactionFailedAsync(
 | 
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                stakingWrapper.payProtocolFeeAsync(makers[4], protocolFeesByMaker[4], owner),
 | 
						|
                RevertReason.OnlyCallableByExchange
 | 
						|
            );
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        });
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 | 
						|
        it('nth root', async () => {
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						|
            const base = new BigNumber(1419857);
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						|
            const n = new BigNumber(5);
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						|
            const root = await stakingWrapper.nthRoot(base, n);
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						|
            expect(root).to.be.bignumber.equal(17);
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        });
 | 
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 | 
						|
        it('nth root #2', async () => {
 | 
						|
            const base = new BigNumber(3375);
 | 
						|
            const n = new BigNumber(3);
 | 
						|
            const root = await stakingWrapper.nthRoot(base, n);
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						|
            expect(root).to.be.bignumber.equal(15);
 | 
						|
        });
 | 
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 | 
						|
        it('nth root #3 with fixed point', async () => {
 | 
						|
            const decimals = 18;
 | 
						|
            const base = stakingWrapper.toFixedPoint(4.234, decimals);
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						|
            const n = new BigNumber(2);
 | 
						|
            const root = await stakingWrapper.nthRootFixedPoint(base, n);
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						|
            const rootAsFloatingPoint = stakingWrapper.toFloatingPoint(root, decimals);
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						|
            const expectedResult = new BigNumber(2.057668584);
 | 
						|
            expect(rootAsFloatingPoint).to.be.bignumber.equal(expectedResult);
 | 
						|
        });
 | 
						|
 | 
						|
        it('nth root #3 with fixed point (integer nth root would fail here)', async () => {
 | 
						|
            const decimals = 18;
 | 
						|
            const base = stakingWrapper.toFixedPoint(5429503678976, decimals);
 | 
						|
            console.log(base);
 | 
						|
            const n = new BigNumber(9);
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						|
            const root = await stakingWrapper.nthRootFixedPoint(base, n);
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						|
            const rootAsFloatingPoint = stakingWrapper.toFloatingPoint(root, decimals);
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						|
            const expectedResult = new BigNumber(26);
 | 
						|
            expect(rootAsFloatingPoint).to.be.bignumber.equal(expectedResult);
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						|
        });
 | 
						|
 | 
						|
        it.skip('nth root #4 with fixed point (integer nth root would fail here) (max number of decimals - currently does not retain)', async () => {
 | 
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            const decimals = 18;
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            const base = stakingWrapper.toFixedPoint(new BigNumber('5429503678976.295036789761543678', 10), decimals);
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						|
            console.log(base);
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            const n = new BigNumber(9);
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						|
            const root = await stakingWrapper.nthRootFixedPoint(base, n);
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						|
            console.log(`root - ${root}`);
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            const rootAsFloatingPoint = stakingWrapper.toFloatingPoint(root, decimals);
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						|
            const expectedResult = new BigNumber(26);
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						|
            expect(rootAsFloatingPoint).to.be.bignumber.equal(expectedResult);
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        });
 | 
						|
 | 
						|
        it('cobb douglas - approximate', async() => {
 | 
						|
            const totalRewards = stakingWrapper.toBaseUnitAmount(57.154398);
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						|
            const ownerFees = stakingWrapper.toBaseUnitAmount(5.64375);
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						|
            const totalFees = stakingWrapper.toBaseUnitAmount(29.00679);
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						|
            const ownerStake = stakingWrapper.toBaseUnitAmount(56);
 | 
						|
            const totalStake = stakingWrapper.toBaseUnitAmount(10906);
 | 
						|
            const alphaNumerator = new BigNumber(3);
 | 
						|
            const alphaDenominator = new BigNumber(7);
 | 
						|
            // create expected output
 | 
						|
            // https://www.wolframalpha.com/input/?i=57.154398+*+(5.64375%2F29.00679)+%5E+(3%2F7)+*+(56+%2F+10906)+%5E+(1+-+3%2F7)
 | 
						|
            const expectedOwnerReward = new BigNumber(1.3934);
 | 
						|
            // run computation
 | 
						|
            const ownerReward = await stakingWrapper.cobbDouglasAsync(
 | 
						|
                totalRewards,
 | 
						|
                ownerFees,
 | 
						|
                totalFees,
 | 
						|
                ownerStake,
 | 
						|
                totalStake,
 | 
						|
                alphaNumerator,
 | 
						|
                alphaDenominator
 | 
						|
            );
 | 
						|
            const ownerRewardFloatingPoint = stakingWrapper.trimFloat(stakingWrapper.toFloatingPoint(ownerReward, 18), 4);
 | 
						|
            // validation
 | 
						|
            expect(ownerRewardFloatingPoint).to.be.bignumber.equal(expectedOwnerReward);
 | 
						|
        });
 | 
						|
 | 
						|
        it('cobb douglas - simplified (alpha = 1/x)', async() => {
 | 
						|
            // setup test parameters
 | 
						|
            const totalRewards = stakingWrapper.toBaseUnitAmount(57.154398);
 | 
						|
            const ownerFees = stakingWrapper.toBaseUnitAmount(5.64375);
 | 
						|
            const totalFees = stakingWrapper.toBaseUnitAmount(29.00679);
 | 
						|
            const ownerStake = stakingWrapper.toBaseUnitAmount(56);
 | 
						|
            const totalStake = stakingWrapper.toBaseUnitAmount(10906);
 | 
						|
            const alphaDenominator = new BigNumber(3);
 | 
						|
            // create expected output
 | 
						|
            // https://www.wolframalpha.com/input/?i=57.154398+*+(5.64375%2F29.00679)+%5E+(1%2F3)+*+(56+%2F+10906)+%5E+(1+-+1%2F3)
 | 
						|
            const expectedOwnerReward = new BigNumber(0.98572107681878);
 | 
						|
            // run computation
 | 
						|
            const ownerReward = await stakingWrapper.cobbDouglasSimplifiedAsync(
 | 
						|
                totalRewards,
 | 
						|
                ownerFees,
 | 
						|
                totalFees,
 | 
						|
                ownerStake,
 | 
						|
                totalStake,
 | 
						|
                alphaDenominator
 | 
						|
            );
 | 
						|
            const ownerRewardFloatingPoint = stakingWrapper.trimFloat(stakingWrapper.toFloatingPoint(ownerReward, 18), 14);
 | 
						|
            // validation
 | 
						|
            expect(ownerRewardFloatingPoint).to.be.bignumber.equal(expectedOwnerReward);
 | 
						|
        });
 | 
						|
 | 
						|
        it('cobb douglas - simplified inverse (1 - alpha = 1/x)', async() => {
 | 
						|
            const totalRewards = stakingWrapper.toBaseUnitAmount(57.154398);
 | 
						|
            const ownerFees = stakingWrapper.toBaseUnitAmount(5.64375);
 | 
						|
            const totalFees = stakingWrapper.toBaseUnitAmount(29.00679);
 | 
						|
            const ownerStake = stakingWrapper.toBaseUnitAmount(56);
 | 
						|
            const totalStake = stakingWrapper.toBaseUnitAmount(10906);
 | 
						|
            const inverseAlphaDenominator = new BigNumber(3);
 | 
						|
            // create expected output
 | 
						|
            // https://www.wolframalpha.com/input/?i=57.154398+*+(5.64375%2F29.00679)+%5E+(2%2F3)+*+(56+%2F+10906)+%5E+(1+-+2%2F3)
 | 
						|
            const expectedOwnerReward = new BigNumber(3.310822494188);
 | 
						|
            // run computation
 | 
						|
            const ownerReward = await stakingWrapper.cobbDouglasSimplifiedInverseAsync(
 | 
						|
                totalRewards,
 | 
						|
                ownerFees,
 | 
						|
                totalFees,
 | 
						|
                ownerStake,
 | 
						|
                totalStake,
 | 
						|
                inverseAlphaDenominator
 | 
						|
            );
 | 
						|
            const ownerRewardFloatingPoint = stakingWrapper.trimFloat(stakingWrapper.toFloatingPoint(ownerReward, 18), 12);
 | 
						|
            // validation
 | 
						|
            expect(ownerRewardFloatingPoint).to.be.bignumber.equal(expectedOwnerReward);
 | 
						|
        });
 | 
						|
 | 
						|
        it('pool management', async() => {
 | 
						|
            // create first pool
 | 
						|
            const operatorAddress = stakers[0];
 | 
						|
            const operatorShare = 39;
 | 
						|
            const poolId = await stakingWrapper.createPoolAsync(operatorAddress, operatorShare);
 | 
						|
            expect(poolId).to.be.equal(stakingConstants.INITIAL_POOL_ID);
 | 
						|
            // check that the next pool id was incremented
 | 
						|
            const expectedNextPoolId = "0x0000000000000000000000000000000200000000000000000000000000000000";
 | 
						|
            const nextPoolId = await stakingWrapper.getNextPoolIdAsync();
 | 
						|
            expect(nextPoolId).to.be.equal(expectedNextPoolId);
 | 
						|
            // add maker to pool
 | 
						|
            const makerAddress = makers[0];
 | 
						|
            const makerApproval = stakingWrapper.signApprovalForStakingPool(poolId, makerAddress);
 | 
						|
            await stakingWrapper.addMakerToPoolAsync(poolId, makerAddress, makerApproval.signature, operatorAddress);
 | 
						|
            // check the pool id of the maker
 | 
						|
            const poolIdOfMaker = await stakingWrapper.getMakerPoolId(makerAddress);
 | 
						|
            expect(poolIdOfMaker).to.be.equal(poolId);
 | 
						|
            // check the list of makers for the pool
 | 
						|
            const makerAddressesForPool = await stakingWrapper.getMakerAddressesForPool(poolId);
 | 
						|
            expect(makerAddressesForPool).to.be.deep.equal([makerAddress]);
 | 
						|
            // try to add the same maker address again
 | 
						|
            await expectTransactionFailedAsync(
 | 
						|
                stakingWrapper.addMakerToPoolAsync(poolId, makerAddress, makerApproval.signature, operatorAddress),
 | 
						|
                RevertReason.MakerAddressAlreadyRegistered
 | 
						|
            );
 | 
						|
            // try to add a new maker address with a bad signature
 | 
						|
            const anotherMakerAddress = makers[1];
 | 
						|
            const badPrivateKey = constants.TESTRPC_PRIVATE_KEYS[accounts.indexOf(operatorAddress)];
 | 
						|
            const anotherMakerApproval = stakingWrapper.signApprovalForStakingPool(poolId, anotherMakerAddress, badPrivateKey);
 | 
						|
            await expectTransactionFailedAsync(
 | 
						|
                stakingWrapper.addMakerToPoolAsync(poolId, anotherMakerAddress, anotherMakerApproval.signature, operatorAddress),
 | 
						|
                RevertReason.InvalidMakerSignature
 | 
						|
            );
 | 
						|
            // try to add a new maker address from an address other than the pool operator
 | 
						|
            const notOperatorAddress = owner;
 | 
						|
            const anotherMakerAddress2 = makers[1];
 | 
						|
            const anotherMakerApproval2 = stakingWrapper.signApprovalForStakingPool(poolId, anotherMakerAddress);
 | 
						|
            await expectTransactionFailedAsync(
 | 
						|
                stakingWrapper.addMakerToPoolAsync(poolId, anotherMakerAddress2, anotherMakerApproval2.signature, notOperatorAddress),
 | 
						|
                RevertReason.OnlyCallableByPoolOperator
 | 
						|
            );
 | 
						|
            // try to remove the maker address from an address other than the operator
 | 
						|
            await expectTransactionFailedAsync(
 | 
						|
                stakingWrapper.removeMakerFromPoolAsync(poolId, makerAddress, notOperatorAddress),
 | 
						|
                RevertReason.OnlyCallableByPoolOperator
 | 
						|
            );
 | 
						|
            // remove maker from pool
 | 
						|
            await stakingWrapper.removeMakerFromPoolAsync(poolId, makerAddress, operatorAddress);
 | 
						|
            // check the pool id of the maker
 | 
						|
            const poolIdOfMakerAfterRemoving = await stakingWrapper.getMakerPoolId(makerAddress);
 | 
						|
            expect(poolIdOfMakerAfterRemoving).to.be.equal(stakingConstants.NIL_POOL_ID);
 | 
						|
            // check the list of makers for the pool
 | 
						|
            const makerAddressesForPoolAfterRemoving = await stakingWrapper.getMakerAddressesForPool(poolId);
 | 
						|
            expect(makerAddressesForPoolAfterRemoving).to.be.deep.equal([]);
 | 
						|
        });
 | 
						|
 | 
						|
        it('Finalization with Protocol Fees (no delegators)', async () => {
 | 
						|
            ///// 0 DEPLOY EXCHANGE /////
 | 
						|
            await stakingWrapper.addExchangeAddressAsync(exchange);
 | 
						|
            ///// 1 SETUP POOLS /////
 | 
						|
            const poolOperators = stakers.slice(0, 3);
 | 
						|
            const operatorShares = [100, 100, 100];
 | 
						|
            const poolIds = await Promise.all([
 | 
						|
                stakingWrapper.createPoolAsync(poolOperators[0], operatorShares[0]),
 | 
						|
                stakingWrapper.createPoolAsync(poolOperators[1], operatorShares[1]),
 | 
						|
                stakingWrapper.createPoolAsync(poolOperators[2], operatorShares[2]),
 | 
						|
            ]);
 | 
						|
            const makersByPoolId = [
 | 
						|
                [
 | 
						|
                    makers[0],
 | 
						|
                ],
 | 
						|
                [
 | 
						|
                    makers[1],
 | 
						|
                    makers[2]
 | 
						|
                ],
 | 
						|
                [
 | 
						|
                    makers[3],
 | 
						|
                    makers[4],
 | 
						|
                    makers[5]
 | 
						|
                ],
 | 
						|
            ];
 | 
						|
            const protocolFeesByMaker = [
 | 
						|
                // pool 1 - adds up to protocolFeesByPoolId[0]
 | 
						|
                stakingWrapper.toBaseUnitAmount(0.304958),
 | 
						|
                // pool 2 - adds up to protocolFeesByPoolId[1]
 | 
						|
                stakingWrapper.toBaseUnitAmount(3.2),
 | 
						|
                stakingWrapper.toBaseUnitAmount(12.123258),
 | 
						|
                // pool 3 - adds up to protocolFeesByPoolId[2]
 | 
						|
                stakingWrapper.toBaseUnitAmount(23.577),
 | 
						|
                stakingWrapper.toBaseUnitAmount(4.54522236),
 | 
						|
                stakingWrapper.toBaseUnitAmount(0)
 | 
						|
            ];
 | 
						|
            const makerSignatures = [
 | 
						|
                // pool 0
 | 
						|
                stakingWrapper.signApprovalForStakingPool(poolIds[0], makersByPoolId[0][0]).signature,
 | 
						|
                // pool 1
 | 
						|
                stakingWrapper.signApprovalForStakingPool(poolIds[1], makersByPoolId[1][0]).signature,
 | 
						|
                stakingWrapper.signApprovalForStakingPool(poolIds[1], makersByPoolId[1][1]).signature,
 | 
						|
                // pool 2
 | 
						|
                stakingWrapper.signApprovalForStakingPool(poolIds[2], makersByPoolId[2][0]).signature,
 | 
						|
                stakingWrapper.signApprovalForStakingPool(poolIds[2], makersByPoolId[2][1]).signature,
 | 
						|
                stakingWrapper.signApprovalForStakingPool(poolIds[2], makersByPoolId[2][2]).signature,
 | 
						|
            ]
 | 
						|
            await Promise.all([
 | 
						|
                // pool 0
 | 
						|
                stakingWrapper.addMakerToPoolAsync(poolIds[0], makersByPoolId[0][0], makerSignatures[0], poolOperators[0]),
 | 
						|
                // pool 1
 | 
						|
                stakingWrapper.addMakerToPoolAsync(poolIds[1], makersByPoolId[1][0], makerSignatures[1], poolOperators[1]),
 | 
						|
                stakingWrapper.addMakerToPoolAsync(poolIds[1], makersByPoolId[1][1], makerSignatures[2], poolOperators[1]),
 | 
						|
                // pool 2
 | 
						|
                stakingWrapper.addMakerToPoolAsync(poolIds[2], makersByPoolId[2][0], makerSignatures[3], poolOperators[2]),
 | 
						|
                stakingWrapper.addMakerToPoolAsync(poolIds[2], makersByPoolId[2][1], makerSignatures[4], poolOperators[2]),
 | 
						|
                stakingWrapper.addMakerToPoolAsync(poolIds[2], makersByPoolId[2][2], makerSignatures[5], poolOperators[2]),
 | 
						|
            ]);
 | 
						|
            ///// 2 PAY FEES /////
 | 
						|
            await Promise.all([
 | 
						|
                // pool 0 - split into two payments
 | 
						|
                stakingWrapper.payProtocolFeeAsync(makers[0], protocolFeesByMaker[0].div(2), exchange),
 | 
						|
                stakingWrapper.payProtocolFeeAsync(makers[0], protocolFeesByMaker[0].div(2), exchange),
 | 
						|
                // pool 1 - pay full amounts
 | 
						|
                stakingWrapper.payProtocolFeeAsync(makers[1], protocolFeesByMaker[1], exchange),
 | 
						|
                stakingWrapper.payProtocolFeeAsync(makers[2], protocolFeesByMaker[2], exchange),
 | 
						|
                // pool 2 -- pay full amounts
 | 
						|
                stakingWrapper.payProtocolFeeAsync(makers[3], protocolFeesByMaker[3], exchange),
 | 
						|
                stakingWrapper.payProtocolFeeAsync(makers[4], protocolFeesByMaker[4], exchange),
 | 
						|
                // maker 5 doesn't pay anything
 | 
						|
            ]);
 | 
						|
            ///// 3 VALIDATE FEES RECORDED FOR EACH POOL /////
 | 
						|
            const recordedProtocolFeesByPool = await Promise.all([
 | 
						|
                stakingWrapper.getProtocolFeesThisEpochByPoolAsync(poolIds[0]),
 | 
						|
                stakingWrapper.getProtocolFeesThisEpochByPoolAsync(poolIds[1]),
 | 
						|
                stakingWrapper.getProtocolFeesThisEpochByPoolAsync(poolIds[2]),
 | 
						|
            ]);
 | 
						|
            expect(recordedProtocolFeesByPool[0]).to.be.bignumber.equal(protocolFeesByMaker[0]);
 | 
						|
            expect(recordedProtocolFeesByPool[1]).to.be.bignumber.equal(protocolFeesByMaker[1].plus(protocolFeesByMaker[2]));
 | 
						|
            expect(recordedProtocolFeesByPool[2]).to.be.bignumber.equal(protocolFeesByMaker[3].plus(protocolFeesByMaker[4]));
 | 
						|
            ///// 4 VALIDATE TOTAL FEES /////
 | 
						|
            const recordedTotalProtocolFees = await stakingWrapper.getTotalProtocolFeesThisEpochAsync();
 | 
						|
            const totalProtocolFeesAsNumber = _.sumBy(protocolFeesByMaker, (value: BigNumber) => {return value.toNumber()});
 | 
						|
            const totalProtocolFees = new BigNumber(totalProtocolFeesAsNumber);
 | 
						|
            expect(recordedTotalProtocolFees).to.be.bignumber.equal(totalProtocolFees);
 | 
						|
            ///// 5 STAKE /////
 | 
						|
            const stakeByPoolOperator = [
 | 
						|
                stakingWrapper.toBaseUnitAmount(42),
 | 
						|
                stakingWrapper.toBaseUnitAmount(84),
 | 
						|
                stakingWrapper.toBaseUnitAmount(97),
 | 
						|
            ];
 | 
						|
            await Promise.all([
 | 
						|
                // pool 0
 | 
						|
                stakingWrapper.depositAndStakeAsync(poolOperators[0], stakeByPoolOperator[0]),
 | 
						|
                // pool 1
 | 
						|
                stakingWrapper.depositAndStakeAsync(poolOperators[1], stakeByPoolOperator[1]),
 | 
						|
                // pool 2
 | 
						|
                stakingWrapper.depositAndStakeAsync(poolOperators[2], stakeByPoolOperator[2]),
 | 
						|
            ]);
 | 
						|
            
 | 
						|
            ///// 6 FINALIZE /////
 | 
						|
            await stakingWrapper.skipToNextEpochAsync();
 | 
						|
 | 
						|
            ///// 7 CHECK PROFITS /////
 | 
						|
            // the expected payouts were computed by hand
 | 
						|
            // @TODO - get computations more accurate
 | 
						|
            const expectedPayoutByPoolOperator = [
 | 
						|
                new BigNumber('4.75677'),  // 4.756772362932728793619590327361600155564384201215274334070
 | 
						|
                new BigNumber('16.28130'), // 16.28130500394935316563988584956596823402223838026190634525
 | 
						|
                new BigNumber('20.31028'), // 20.31028447343014834523983759032242063760612769662934308289
 | 
						|
            ];
 | 
						|
            const payoutByPoolOperator = await Promise.all([
 | 
						|
                stakingWrapper.rewardVaultBalanceOfAsync(poolIds[0]),
 | 
						|
                stakingWrapper.rewardVaultBalanceOfAsync(poolIds[1]),
 | 
						|
                stakingWrapper.rewardVaultBalanceOfAsync(poolIds[2]),
 | 
						|
            ]);
 | 
						|
            const payoutAcurateToFiveDecimalsByPoolOperator = await Promise.all([
 | 
						|
                stakingWrapper.trimFloat(stakingWrapper.toFloatingPoint(payoutByPoolOperator[0], 18), 5),
 | 
						|
                stakingWrapper.trimFloat(stakingWrapper.toFloatingPoint(payoutByPoolOperator[1], 18), 5),
 | 
						|
                stakingWrapper.trimFloat(stakingWrapper.toFloatingPoint(payoutByPoolOperator[2], 18), 5),
 | 
						|
            ]);
 | 
						|
            expect(payoutAcurateToFiveDecimalsByPoolOperator[0]).to.be.bignumber.equal(expectedPayoutByPoolOperator[0]);
 | 
						|
            expect(payoutAcurateToFiveDecimalsByPoolOperator[1]).to.be.bignumber.equal(expectedPayoutByPoolOperator[1]);
 | 
						|
            expect(payoutAcurateToFiveDecimalsByPoolOperator[2]).to.be.bignumber.equal(expectedPayoutByPoolOperator[2]);
 | 
						|
            ///// 8 CHECK PROFITS VIA STAKING CONTRACT /////
 | 
						|
            const payoutByPoolOperatorFromStakingContract = await Promise.all([
 | 
						|
                stakingWrapper.getRewardBalanceAsync(poolIds[0]),
 | 
						|
                stakingWrapper.getRewardBalanceAsync(poolIds[1]),
 | 
						|
                stakingWrapper.getRewardBalanceAsync(poolIds[2]),
 | 
						|
            ]);
 | 
						|
            expect(payoutByPoolOperatorFromStakingContract[0]).to.be.bignumber.equal(payoutByPoolOperator[0]);
 | 
						|
            expect(payoutByPoolOperatorFromStakingContract[1]).to.be.bignumber.equal(payoutByPoolOperator[1]);
 | 
						|
            expect(payoutByPoolOperatorFromStakingContract[2]).to.be.bignumber.equal(payoutByPoolOperator[2]);
 | 
						|
            ///// 9 WITHDRAW PROFITS VIA STAKING CONTRACT /////
 | 
						|
            const initOperatorBalances = await Promise.all([
 | 
						|
                stakingWrapper.getEthBalanceAsync(poolOperators[0]),
 | 
						|
                stakingWrapper.getEthBalanceAsync(poolOperators[1]),
 | 
						|
                stakingWrapper.getEthBalanceAsync(poolOperators[2]),
 | 
						|
            ]);
 | 
						|
            await Promise.all([
 | 
						|
                stakingWrapper.withdrawTotalOperatorRewardAsync(poolIds[0], poolOperators[0]),
 | 
						|
                stakingWrapper.withdrawTotalOperatorRewardAsync(poolIds[1], poolOperators[1]),
 | 
						|
                stakingWrapper.withdrawTotalOperatorRewardAsync(poolIds[2], poolOperators[2]),
 | 
						|
            ]);
 | 
						|
            const finalOperatorBalances = await Promise.all([
 | 
						|
                stakingWrapper.getEthBalanceAsync(poolOperators[0]),
 | 
						|
                stakingWrapper.getEthBalanceAsync(poolOperators[1]),
 | 
						|
                stakingWrapper.getEthBalanceAsync(poolOperators[2]),
 | 
						|
            ]);
 | 
						|
            const payoutBalancesByOperator = [
 | 
						|
                finalOperatorBalances[0].minus(initOperatorBalances[0]),
 | 
						|
                finalOperatorBalances[1].minus(initOperatorBalances[1]),
 | 
						|
                finalOperatorBalances[2].minus(initOperatorBalances[2]),
 | 
						|
            ];
 | 
						|
            expect(payoutBalancesByOperator[0]).to.be.bignumber.equal(payoutByPoolOperator[0]);
 | 
						|
            expect(payoutBalancesByOperator[1]).to.be.bignumber.equal(payoutByPoolOperator[1]);
 | 
						|
            expect(payoutBalancesByOperator[2]).to.be.bignumber.equal(payoutByPoolOperator[2]);
 | 
						|
        });
 | 
						|
 | 
						|
        it('Finalization with Protocol Fees and Delegation', async () => {
 | 
						|
            ///// 0 DEPLOY EXCHANGE /////
 | 
						|
            await stakingWrapper.addExchangeAddressAsync(exchange);
 | 
						|
            ///// 1 SETUP POOLS /////
 | 
						|
            const poolOperators = makers.slice(0, 3);
 | 
						|
            const operatorShares = [39, 59, 43];
 | 
						|
            const poolIds = await Promise.all([
 | 
						|
                stakingWrapper.createPoolAsync(poolOperators[0], operatorShares[0]),
 | 
						|
                stakingWrapper.createPoolAsync(poolOperators[1], operatorShares[1]),
 | 
						|
                stakingWrapper.createPoolAsync(poolOperators[2], operatorShares[2]),
 | 
						|
            ]);
 | 
						|
            const makersByPoolId = [
 | 
						|
                [
 | 
						|
                    makers[0],
 | 
						|
                ],
 | 
						|
                [
 | 
						|
                    makers[1],
 | 
						|
                    makers[2]
 | 
						|
                ],
 | 
						|
                [
 | 
						|
                    makers[3],
 | 
						|
                    makers[4],
 | 
						|
                    makers[5]
 | 
						|
                ],
 | 
						|
            ];
 | 
						|
            const protocolFeesByMaker = [
 | 
						|
                // pool 1 - adds up to protocolFeesByPoolId[0]
 | 
						|
                stakingWrapper.toBaseUnitAmount(0.304958),
 | 
						|
                // pool 2 - adds up to protocolFeesByPoolId[1]
 | 
						|
                stakingWrapper.toBaseUnitAmount(3.2),
 | 
						|
                stakingWrapper.toBaseUnitAmount(12.123258),
 | 
						|
                // pool 3 - adds up to protocolFeesByPoolId[2]
 | 
						|
                stakingWrapper.toBaseUnitAmount(23.577),
 | 
						|
                stakingWrapper.toBaseUnitAmount(4.54522236),
 | 
						|
                stakingWrapper.toBaseUnitAmount(0)
 | 
						|
            ];
 | 
						|
            const makerSignatures = [
 | 
						|
                // pool 0
 | 
						|
                stakingWrapper.signApprovalForStakingPool(poolIds[0], makersByPoolId[0][0]).signature,
 | 
						|
                // pool 1
 | 
						|
                stakingWrapper.signApprovalForStakingPool(poolIds[1], makersByPoolId[1][0]).signature,
 | 
						|
                stakingWrapper.signApprovalForStakingPool(poolIds[1], makersByPoolId[1][1]).signature,
 | 
						|
                // pool 2
 | 
						|
                stakingWrapper.signApprovalForStakingPool(poolIds[2], makersByPoolId[2][0]).signature,
 | 
						|
                stakingWrapper.signApprovalForStakingPool(poolIds[2], makersByPoolId[2][1]).signature,
 | 
						|
                stakingWrapper.signApprovalForStakingPool(poolIds[2], makersByPoolId[2][2]).signature,
 | 
						|
            ]
 | 
						|
            await Promise.all([
 | 
						|
                // pool 0
 | 
						|
                stakingWrapper.addMakerToPoolAsync(poolIds[0], makersByPoolId[0][0], makerSignatures[0], poolOperators[0]),
 | 
						|
                // pool 1
 | 
						|
                stakingWrapper.addMakerToPoolAsync(poolIds[1], makersByPoolId[1][0], makerSignatures[1], poolOperators[1]),
 | 
						|
                stakingWrapper.addMakerToPoolAsync(poolIds[1], makersByPoolId[1][1], makerSignatures[2], poolOperators[1]),
 | 
						|
                // pool 2
 | 
						|
                stakingWrapper.addMakerToPoolAsync(poolIds[2], makersByPoolId[2][0], makerSignatures[3], poolOperators[2]),
 | 
						|
                stakingWrapper.addMakerToPoolAsync(poolIds[2], makersByPoolId[2][1], makerSignatures[4], poolOperators[2]),
 | 
						|
                stakingWrapper.addMakerToPoolAsync(poolIds[2], makersByPoolId[2][2], makerSignatures[5], poolOperators[2]),
 | 
						|
            ]);
 | 
						|
            ///// 2 PAY FEES /////
 | 
						|
            await Promise.all([
 | 
						|
                // pool 0 - split into two payments
 | 
						|
                stakingWrapper.payProtocolFeeAsync(makers[0], protocolFeesByMaker[0].div(2), exchange),
 | 
						|
                stakingWrapper.payProtocolFeeAsync(makers[0], protocolFeesByMaker[0].div(2), exchange),
 | 
						|
                // pool 1 - pay full amounts
 | 
						|
                stakingWrapper.payProtocolFeeAsync(makers[1], protocolFeesByMaker[1], exchange),
 | 
						|
                stakingWrapper.payProtocolFeeAsync(makers[2], protocolFeesByMaker[2], exchange),
 | 
						|
                // pool 2 -- pay full amounts
 | 
						|
                stakingWrapper.payProtocolFeeAsync(makers[3], protocolFeesByMaker[3], exchange),
 | 
						|
                stakingWrapper.payProtocolFeeAsync(makers[4], protocolFeesByMaker[4], exchange),
 | 
						|
                // maker 5 doesn't pay anything
 | 
						|
            ]);
 | 
						|
            ///// 3 VALIDATE FEES RECORDED FOR EACH POOL /////
 | 
						|
            const recordedProtocolFeesByPool = await Promise.all([
 | 
						|
                stakingWrapper.getProtocolFeesThisEpochByPoolAsync(poolIds[0]),
 | 
						|
                stakingWrapper.getProtocolFeesThisEpochByPoolAsync(poolIds[1]),
 | 
						|
                stakingWrapper.getProtocolFeesThisEpochByPoolAsync(poolIds[2]),
 | 
						|
            ]);
 | 
						|
            expect(recordedProtocolFeesByPool[0]).to.be.bignumber.equal(protocolFeesByMaker[0]);
 | 
						|
            expect(recordedProtocolFeesByPool[1]).to.be.bignumber.equal(protocolFeesByMaker[1].plus(protocolFeesByMaker[2]));
 | 
						|
            expect(recordedProtocolFeesByPool[2]).to.be.bignumber.equal(protocolFeesByMaker[3].plus(protocolFeesByMaker[4]));
 | 
						|
            ///// 4 VALIDATE TOTAL FEES /////
 | 
						|
            const recordedTotalProtocolFees = await stakingWrapper.getTotalProtocolFeesThisEpochAsync();
 | 
						|
            const totalProtocolFeesAsNumber = _.sumBy(protocolFeesByMaker, (value: BigNumber) => {return value.toNumber()});
 | 
						|
            const totalProtocolFees = new BigNumber(totalProtocolFeesAsNumber);
 | 
						|
            expect(recordedTotalProtocolFees).to.be.bignumber.equal(totalProtocolFees);
 | 
						|
            ///// 5 STAKE /////
 | 
						|
            const stakeByPoolOperator = [
 | 
						|
                stakingWrapper.toBaseUnitAmount(42),
 | 
						|
                stakingWrapper.toBaseUnitAmount(84),
 | 
						|
                stakingWrapper.toBaseUnitAmount(97),
 | 
						|
            ];
 | 
						|
            const totalStakeByPoolOperator = stakeByPoolOperator[0].plus(stakeByPoolOperator[1]).plus(stakeByPoolOperator[2]);
 | 
						|
            await Promise.all([
 | 
						|
                // pool 0
 | 
						|
                stakingWrapper.depositAndStakeAsync(poolOperators[0], stakeByPoolOperator[0]),
 | 
						|
                // pool 1
 | 
						|
                stakingWrapper.depositAndStakeAsync(poolOperators[1], stakeByPoolOperator[1]),
 | 
						|
                // pool 2
 | 
						|
                stakingWrapper.depositAndStakeAsync(poolOperators[2], stakeByPoolOperator[2]),
 | 
						|
            ])
 | 
						|
 | 
						|
            ///// 6 Add some delegators to pool 2 /////
 | 
						|
            const delegators = stakers.slice(0, 3);
 | 
						|
            const stakeByDelegator = [
 | 
						|
                stakingWrapper.toBaseUnitAmount(17),
 | 
						|
                stakingWrapper.toBaseUnitAmount(75),
 | 
						|
                stakingWrapper.toBaseUnitAmount(90),
 | 
						|
            ];
 | 
						|
            const totalStakeByDelegators = stakeByDelegator[0].plus(stakeByDelegator[1]).plus(stakeByDelegator[2]);
 | 
						|
            await Promise.all([
 | 
						|
                stakingWrapper.depositAndDelegateAsync(delegators[0], poolIds[2], stakeByDelegator[0]),
 | 
						|
                stakingWrapper.depositAndDelegateAsync(delegators[1], poolIds[2], stakeByDelegator[1]),
 | 
						|
                stakingWrapper.depositAndDelegateAsync(delegators[2], poolIds[2], stakeByDelegator[2]),
 | 
						|
            ]);
 | 
						|
            
 | 
						|
            ///// 6 FINALIZE /////
 | 
						|
            await stakingWrapper.skipToNextEpochAsync();
 | 
						|
 | 
						|
            ///// 7 CHECK PROFITS /////
 | 
						|
            // the expected payouts were computed by hand
 | 
						|
            // @TODO - get computations more accurate
 | 
						|
            /*
 | 
						|
                Pool | Total Fees  | Total Stake | Total Delegated Stake | Total Stake (Scaled) 
 | 
						|
                0    |  0.304958   | 42          | 0                     | 42
 | 
						|
                1    | 15.323258   | 84          | 0                     | 84
 | 
						|
                3    | 28.12222236 | 97          | 182                   | 260.8
 | 
						|
                ...
 | 
						|
                Cumulative Fees = 43.75043836
 | 
						|
                Cumulative Stake = 405
 | 
						|
                Total Rewards = 43.75043836
 | 
						|
            */
 | 
						|
 | 
						|
            const expectedPayoutByPoolOperator = [
 | 
						|
                new BigNumber('2.89303'),   // 2.8930364057678784829875695710382241749912199174798475
 | 
						|
                new BigNumber('9.90218'),   // 9.9021783083174087034787071054543342142019746753770943 
 | 
						|
                new BigNumber('28.16463'),  // 28.164631904035798614670299155719067954180760345463798
 | 
						|
            ];
 | 
						|
 | 
						|
            const payoutByPoolOperator = await Promise.all([
 | 
						|
                stakingWrapper.rewardVaultBalanceOfAsync(poolIds[0]),
 | 
						|
                stakingWrapper.rewardVaultBalanceOfAsync(poolIds[1]),
 | 
						|
                stakingWrapper.rewardVaultBalanceOfAsync(poolIds[2]),
 | 
						|
            ]);
 | 
						|
 | 
						|
            const payoutAcurateToFiveDecimalsByPoolOperator = await Promise.all([
 | 
						|
                stakingWrapper.trimFloat(stakingWrapper.toFloatingPoint(payoutByPoolOperator[0], 18), 5),
 | 
						|
                stakingWrapper.trimFloat(stakingWrapper.toFloatingPoint(payoutByPoolOperator[1], 18), 5),
 | 
						|
                stakingWrapper.trimFloat(stakingWrapper.toFloatingPoint(payoutByPoolOperator[2], 18), 5),
 | 
						|
            ]);
 | 
						|
            expect(payoutAcurateToFiveDecimalsByPoolOperator[0]).to.be.bignumber.equal(expectedPayoutByPoolOperator[0]);
 | 
						|
            expect(payoutAcurateToFiveDecimalsByPoolOperator[1]).to.be.bignumber.equal(expectedPayoutByPoolOperator[1]);
 | 
						|
            expect(payoutAcurateToFiveDecimalsByPoolOperator[2]).to.be.bignumber.equal(expectedPayoutByPoolOperator[2]);
 | 
						|
 | 
						|
            ///// 8 CHECK PROFITS VIA STAKING CONTRACT /////
 | 
						|
            const payoutByPoolOperatorFromStakingContract = await Promise.all([
 | 
						|
                stakingWrapper.getRewardBalanceAsync(poolIds[0]),
 | 
						|
                stakingWrapper.getRewardBalanceAsync(poolIds[1]),
 | 
						|
                stakingWrapper.getRewardBalanceAsync(poolIds[2]),
 | 
						|
            ]);
 | 
						|
            expect(payoutByPoolOperatorFromStakingContract[0]).to.be.bignumber.equal(payoutByPoolOperator[0]);
 | 
						|
            expect(payoutByPoolOperatorFromStakingContract[1]).to.be.bignumber.equal(payoutByPoolOperator[1]);
 | 
						|
            expect(payoutByPoolOperatorFromStakingContract[2]).to.be.bignumber.equal(payoutByPoolOperator[2]);
 | 
						|
 | 
						|
 | 
						|
            ///// 8 CHECK DELEGATOR PROFITS /////
 | 
						|
            const poolPayoutById = await Promise.all([
 | 
						|
                stakingWrapper.getRewardBalanceOfPoolAsync(poolIds[0]),
 | 
						|
                stakingWrapper.getRewardBalanceOfPoolAsync(poolIds[1]),
 | 
						|
                stakingWrapper.getRewardBalanceOfPoolAsync(poolIds[2]),
 | 
						|
            ]);
 | 
						|
            const expectedRewardByDelegator = [
 | 
						|
                poolPayoutById[2].times(stakeByDelegator[0]).dividedToIntegerBy(totalStakeByDelegators),
 | 
						|
                poolPayoutById[2].times(stakeByDelegator[1]).dividedToIntegerBy(totalStakeByDelegators),
 | 
						|
                poolPayoutById[2].times(stakeByDelegator[2]).dividedToIntegerBy(totalStakeByDelegators),
 | 
						|
            ];
 | 
						|
            
 | 
						|
            const rewardBalanceByDelegator = await Promise.all([
 | 
						|
                stakingWrapper.computeRewardBalanceAsync(poolIds[2], delegators[0]),
 | 
						|
                stakingWrapper.computeRewardBalanceAsync(poolIds[2], delegators[1]),
 | 
						|
                stakingWrapper.computeRewardBalanceAsync(poolIds[2], delegators[2]),
 | 
						|
            ]);
 | 
						|
            expect(rewardBalanceByDelegator[0]).to.to.bignumber.equal(expectedRewardByDelegator[0]);
 | 
						|
            expect(rewardBalanceByDelegator[1]).to.to.bignumber.equal(expectedRewardByDelegator[1]);
 | 
						|
            expect(rewardBalanceByDelegator[2]).to.to.bignumber.equal(expectedRewardByDelegator[2]);
 | 
						|
 | 
						|
            ///// 8 CHECK DELEGATOR BY UNDELEGATING /////
 | 
						|
            const ethBalancesByDelegatorInit = await Promise.all([
 | 
						|
                stakingWrapper.getEthBalanceAsync(delegators[0]),
 | 
						|
                stakingWrapper.getEthBalanceAsync(delegators[1]),
 | 
						|
                stakingWrapper.getEthBalanceAsync(delegators[2]),
 | 
						|
            ]);
 | 
						|
            await Promise.all([
 | 
						|
                stakingWrapper.deactivateAndTimelockDelegatedStakeAsync(delegators[0], poolIds[2], stakeByDelegator[0]),
 | 
						|
                stakingWrapper.deactivateAndTimelockDelegatedStakeAsync(delegators[1], poolIds[2], stakeByDelegator[1]),
 | 
						|
                stakingWrapper.deactivateAndTimelockDelegatedStakeAsync(delegators[2], poolIds[2], stakeByDelegator[2]),
 | 
						|
            ]);
 | 
						|
            const ethBalancesByDelegatorFinal = await Promise.all([
 | 
						|
                stakingWrapper.getEthBalanceAsync(delegators[0]),
 | 
						|
                stakingWrapper.getEthBalanceAsync(delegators[1]),
 | 
						|
                stakingWrapper.getEthBalanceAsync(delegators[2]),
 | 
						|
            ]);
 | 
						|
            const rewardByDelegator = [
 | 
						|
                ethBalancesByDelegatorFinal[0].minus(ethBalancesByDelegatorInit[0]),
 | 
						|
                ethBalancesByDelegatorFinal[1].minus(ethBalancesByDelegatorInit[1]),
 | 
						|
                ethBalancesByDelegatorFinal[2].minus(ethBalancesByDelegatorInit[2]),
 | 
						|
            ];
 | 
						|
            expect(rewardByDelegator[0]).to.be.bignumber.equal(expectedRewardByDelegator[0]);
 | 
						|
            expect(rewardByDelegator[1]).to.be.bignumber.equal(expectedRewardByDelegator[1]);
 | 
						|
            // note that these may be slightly off due to rounding down on each entry
 | 
						|
            // there is a carry over between calls, which we account for here.
 | 
						|
            // if the last person to leave rounded down, then there is some trace amount left in the pool.
 | 
						|
            // carry-over here is 00000000000000000002 
 | 
						|
            expect(rewardByDelegator[2]).to.be.bignumber.equal(expectedRewardByDelegator[2].plus('00000000000000000002', 10));  
 | 
						|
 | 
						|
            ///// 9 CHECK OPERATOR PROFITS VIA STAKING CONTRACT /////
 | 
						|
            const operatorPayoutByPoolOperatorFromStakingContract = await Promise.all([
 | 
						|
                stakingWrapper.getRewardBalanceOfOperatorAsync(poolIds[0]),
 | 
						|
                stakingWrapper.getRewardBalanceOfOperatorAsync(poolIds[1]),
 | 
						|
                stakingWrapper.getRewardBalanceOfOperatorAsync(poolIds[2]),
 | 
						|
            ]);
 | 
						|
            const expectedOperatorPayoutByPoolOperatorFromStakingContract = [
 | 
						|
                payoutByPoolOperator[0].times(operatorShares[0]).plus(99).dividedToIntegerBy(100),
 | 
						|
                payoutByPoolOperator[1].times(operatorShares[1]).plus(99).dividedToIntegerBy(100),
 | 
						|
                payoutByPoolOperator[2].times(operatorShares[2]).plus(99).dividedToIntegerBy(100)
 | 
						|
            ];
 | 
						|
            expect(operatorPayoutByPoolOperatorFromStakingContract[0]).to.be.bignumber.equal(expectedOperatorPayoutByPoolOperatorFromStakingContract[0]);
 | 
						|
            expect(operatorPayoutByPoolOperatorFromStakingContract[1]).to.be.bignumber.equal(expectedOperatorPayoutByPoolOperatorFromStakingContract[1]);
 | 
						|
            expect(operatorPayoutByPoolOperatorFromStakingContract[2]).to.be.bignumber.equal(expectedOperatorPayoutByPoolOperatorFromStakingContract[2]);
 | 
						|
            
 | 
						|
            ///// 10 WITHDRAW PROFITS VIA STAKING CONTRACT /////
 | 
						|
            const initOperatorBalances = await Promise.all([
 | 
						|
                stakingWrapper.getEthBalanceAsync(poolOperators[0]),
 | 
						|
                stakingWrapper.getEthBalanceAsync(poolOperators[1]),
 | 
						|
                stakingWrapper.getEthBalanceAsync(poolOperators[2]),
 | 
						|
            ]);
 | 
						|
            await Promise.all([
 | 
						|
                stakingWrapper.withdrawTotalOperatorRewardAsync(poolIds[0], poolOperators[0]),
 | 
						|
                stakingWrapper.withdrawTotalOperatorRewardAsync(poolIds[1], poolOperators[1]),
 | 
						|
                stakingWrapper.withdrawTotalOperatorRewardAsync(poolIds[2], poolOperators[2]),
 | 
						|
            ]);
 | 
						|
            const finalOperatorBalances = await Promise.all([
 | 
						|
                stakingWrapper.getEthBalanceAsync(poolOperators[0]),
 | 
						|
                stakingWrapper.getEthBalanceAsync(poolOperators[1]),
 | 
						|
                stakingWrapper.getEthBalanceAsync(poolOperators[2]),
 | 
						|
            ]);
 | 
						|
            const payoutBalancesByOperator = [
 | 
						|
                finalOperatorBalances[0].minus(initOperatorBalances[0]),
 | 
						|
                finalOperatorBalances[1].minus(initOperatorBalances[1]),
 | 
						|
                finalOperatorBalances[2].minus(initOperatorBalances[2]),
 | 
						|
            ];
 | 
						|
            expect(payoutBalancesByOperator[0]).to.be.bignumber.equal(expectedOperatorPayoutByPoolOperatorFromStakingContract[0]);
 | 
						|
            expect(payoutBalancesByOperator[1]).to.be.bignumber.equal(expectedOperatorPayoutByPoolOperatorFromStakingContract[1]);
 | 
						|
            expect(payoutBalancesByOperator[2]).to.be.bignumber.equal(expectedOperatorPayoutByPoolOperatorFromStakingContract[2]);
 | 
						|
        });
 | 
						|
 | 
						|
        it('Finalization with Protocol Fees and Delegation with shadow ETH', async () => {
 | 
						|
            ///// 0 DEPLOY EXCHANGE /////
 | 
						|
            await stakingWrapper.addExchangeAddressAsync(exchange);
 | 
						|
            ///// 1 SETUP POOLS /////
 | 
						|
            const poolOperators = makers.slice(0, 3);
 | 
						|
            const operatorShares = [39, 59, 43];
 | 
						|
            const poolIds = await Promise.all([
 | 
						|
                stakingWrapper.createPoolAsync(poolOperators[0], operatorShares[0]),
 | 
						|
                stakingWrapper.createPoolAsync(poolOperators[1], operatorShares[1]),
 | 
						|
                stakingWrapper.createPoolAsync(poolOperators[2], operatorShares[2]),
 | 
						|
            ]);
 | 
						|
            const makersByPoolId = [
 | 
						|
                [
 | 
						|
                    makers[0],
 | 
						|
                ],
 | 
						|
                [
 | 
						|
                    makers[1],
 | 
						|
                    makers[2]
 | 
						|
                ],
 | 
						|
                [
 | 
						|
                    makers[3],
 | 
						|
                    makers[4],
 | 
						|
                    makers[5]
 | 
						|
                ],
 | 
						|
            ];
 | 
						|
            const protocolFeesByMaker = [
 | 
						|
                // pool 1 - adds up to protocolFeesByPoolId[0]
 | 
						|
                stakingWrapper.toBaseUnitAmount(0.304958),
 | 
						|
                // pool 2 - adds up to protocolFeesByPoolId[1]
 | 
						|
                stakingWrapper.toBaseUnitAmount(3.2),
 | 
						|
                stakingWrapper.toBaseUnitAmount(12.123258),
 | 
						|
                // pool 3 - adds up to protocolFeesByPoolId[2]
 | 
						|
                stakingWrapper.toBaseUnitAmount(23.577),
 | 
						|
                stakingWrapper.toBaseUnitAmount(4.54522236),
 | 
						|
                stakingWrapper.toBaseUnitAmount(0)
 | 
						|
            ];
 | 
						|
            const makerSignatures = [
 | 
						|
                // pool 0
 | 
						|
                stakingWrapper.signApprovalForStakingPool(poolIds[0], makersByPoolId[0][0]).signature,
 | 
						|
                // pool 1
 | 
						|
                stakingWrapper.signApprovalForStakingPool(poolIds[1], makersByPoolId[1][0]).signature,
 | 
						|
                stakingWrapper.signApprovalForStakingPool(poolIds[1], makersByPoolId[1][1]).signature,
 | 
						|
                // pool 2
 | 
						|
                stakingWrapper.signApprovalForStakingPool(poolIds[2], makersByPoolId[2][0]).signature,
 | 
						|
                stakingWrapper.signApprovalForStakingPool(poolIds[2], makersByPoolId[2][1]).signature,
 | 
						|
                stakingWrapper.signApprovalForStakingPool(poolIds[2], makersByPoolId[2][2]).signature,
 | 
						|
            ]
 | 
						|
            await Promise.all([
 | 
						|
                // pool 0
 | 
						|
                stakingWrapper.addMakerToPoolAsync(poolIds[0], makersByPoolId[0][0], makerSignatures[0], poolOperators[0]),
 | 
						|
                // pool 1
 | 
						|
                stakingWrapper.addMakerToPoolAsync(poolIds[1], makersByPoolId[1][0], makerSignatures[1], poolOperators[1]),
 | 
						|
                stakingWrapper.addMakerToPoolAsync(poolIds[1], makersByPoolId[1][1], makerSignatures[2], poolOperators[1]),
 | 
						|
                // pool 2
 | 
						|
                stakingWrapper.addMakerToPoolAsync(poolIds[2], makersByPoolId[2][0], makerSignatures[3], poolOperators[2]),
 | 
						|
                stakingWrapper.addMakerToPoolAsync(poolIds[2], makersByPoolId[2][1], makerSignatures[4], poolOperators[2]),
 | 
						|
                stakingWrapper.addMakerToPoolAsync(poolIds[2], makersByPoolId[2][2], makerSignatures[5], poolOperators[2]),
 | 
						|
            ]);
 | 
						|
            ///// 2 PAY FEES /////
 | 
						|
            await Promise.all([
 | 
						|
                // pool 0 - split into two payments
 | 
						|
                stakingWrapper.payProtocolFeeAsync(makers[0], protocolFeesByMaker[0].div(2), exchange),
 | 
						|
                stakingWrapper.payProtocolFeeAsync(makers[0], protocolFeesByMaker[0].div(2), exchange),
 | 
						|
                // pool 1 - pay full amounts
 | 
						|
                stakingWrapper.payProtocolFeeAsync(makers[1], protocolFeesByMaker[1], exchange),
 | 
						|
                stakingWrapper.payProtocolFeeAsync(makers[2], protocolFeesByMaker[2], exchange),
 | 
						|
                // pool 2 -- pay full amounts
 | 
						|
                stakingWrapper.payProtocolFeeAsync(makers[3], protocolFeesByMaker[3], exchange),
 | 
						|
                stakingWrapper.payProtocolFeeAsync(makers[4], protocolFeesByMaker[4], exchange),
 | 
						|
                // maker 5 doesn't pay anything
 | 
						|
            ]);
 | 
						|
            ///// 3 VALIDATE FEES RECORDED FOR EACH POOL /////
 | 
						|
            const recordedProtocolFeesByPool = await Promise.all([
 | 
						|
                stakingWrapper.getProtocolFeesThisEpochByPoolAsync(poolIds[0]),
 | 
						|
                stakingWrapper.getProtocolFeesThisEpochByPoolAsync(poolIds[1]),
 | 
						|
                stakingWrapper.getProtocolFeesThisEpochByPoolAsync(poolIds[2]),
 | 
						|
            ]);
 | 
						|
            expect(recordedProtocolFeesByPool[0]).to.be.bignumber.equal(protocolFeesByMaker[0]);
 | 
						|
            expect(recordedProtocolFeesByPool[1]).to.be.bignumber.equal(protocolFeesByMaker[1].plus(protocolFeesByMaker[2]));
 | 
						|
            expect(recordedProtocolFeesByPool[2]).to.be.bignumber.equal(protocolFeesByMaker[3].plus(protocolFeesByMaker[4]));
 | 
						|
            ///// 4 VALIDATE TOTAL FEES /////
 | 
						|
            const recordedTotalProtocolFees = await stakingWrapper.getTotalProtocolFeesThisEpochAsync();
 | 
						|
            const totalProtocolFeesAsNumber = _.sumBy(protocolFeesByMaker, (value: BigNumber) => {return value.toNumber()});
 | 
						|
            const totalProtocolFees = new BigNumber(totalProtocolFeesAsNumber);
 | 
						|
            expect(recordedTotalProtocolFees).to.be.bignumber.equal(totalProtocolFees);
 | 
						|
            ///// 5 STAKE /////
 | 
						|
            const stakeByPoolOperator = [
 | 
						|
                stakingWrapper.toBaseUnitAmount(42),
 | 
						|
                stakingWrapper.toBaseUnitAmount(84),
 | 
						|
                stakingWrapper.toBaseUnitAmount(97),
 | 
						|
            ];
 | 
						|
            const totalStakeByPoolOperator = stakeByPoolOperator[0].plus(stakeByPoolOperator[1]).plus(stakeByPoolOperator[2]);
 | 
						|
            await Promise.all([
 | 
						|
                // pool 0
 | 
						|
                stakingWrapper.depositAndStakeAsync(poolOperators[0], stakeByPoolOperator[0]),
 | 
						|
                // pool 1
 | 
						|
                stakingWrapper.depositAndStakeAsync(poolOperators[1], stakeByPoolOperator[1]),
 | 
						|
                // pool 2
 | 
						|
                stakingWrapper.depositAndStakeAsync(poolOperators[2], stakeByPoolOperator[2]),
 | 
						|
            ]);
 | 
						|
 | 
						|
            ///// 6 FINALIZE /////
 | 
						|
            await stakingWrapper.skipToNextEpochAsync();
 | 
						|
            
 | 
						|
            ///// 7 ADD DELEGATORS (Requires Shadow ETH) /////
 | 
						|
            const delegators = stakers.slice(0, 3);
 | 
						|
            const stakeByDelegator = [
 | 
						|
                stakingWrapper.toBaseUnitAmount(17),
 | 
						|
                stakingWrapper.toBaseUnitAmount(75),
 | 
						|
                stakingWrapper.toBaseUnitAmount(90),
 | 
						|
            ];
 | 
						|
            const totalStakeByDelegators = stakeByDelegator[0].plus(stakeByDelegator[1]).plus(stakeByDelegator[2]);
 | 
						|
            await Promise.all([
 | 
						|
                stakingWrapper.depositAndDelegateAsync(delegators[0], poolIds[2], stakeByDelegator[0]),
 | 
						|
                stakingWrapper.depositAndDelegateAsync(delegators[1], poolIds[2], stakeByDelegator[1]),
 | 
						|
                stakingWrapper.depositAndDelegateAsync(delegators[2], poolIds[2], stakeByDelegator[2]),
 | 
						|
            ]);
 | 
						|
 | 
						|
            ///// 7 FINALIZE AGAIN /////
 | 
						|
            await stakingWrapper.skipToNextEpochAsync();
 | 
						|
        
 | 
						|
            ///// 7 CHECK PROFITS /////
 | 
						|
            // the expected payouts were computed by hand
 | 
						|
            // @TODO - get computations more accurate
 | 
						|
            /*
 | 
						|
                Pool | Total Fees  | Total Stake | Total Delegated Stake | Total Stake (Scaled) 
 | 
						|
                0    |  0.304958   | 42          | 0                     | 42
 | 
						|
                1    | 15.323258   | 84          | 0                     | 84
 | 
						|
                3    | 28.12222236 | 97          | 182                   | 260.8
 | 
						|
                ...
 | 
						|
                Cumulative Fees = 43.75043836
 | 
						|
                Cumulative Stake = 405
 | 
						|
                Total Rewards = 43.75043836
 | 
						|
            */
 | 
						|
 | 
						|
            const expectedPayoutByPoolOperator = [
 | 
						|
                new BigNumber('4.75677'),  // 4.756772362932728793619590327361600155564384201215274334070
 | 
						|
                new BigNumber('16.28130'), // 16.28130500394935316563988584956596823402223838026190634525
 | 
						|
                new BigNumber('20.31028'), // 20.31028447343014834523983759032242063760612769662934308289
 | 
						|
            ];
 | 
						|
 | 
						|
            const payoutByPoolOperator = await Promise.all([
 | 
						|
                stakingWrapper.rewardVaultBalanceOfAsync(poolIds[0]),
 | 
						|
                stakingWrapper.rewardVaultBalanceOfAsync(poolIds[1]),
 | 
						|
                stakingWrapper.rewardVaultBalanceOfAsync(poolIds[2]),
 | 
						|
            ]);
 | 
						|
 | 
						|
            const payoutAcurateToFiveDecimalsByPoolOperator = await Promise.all([
 | 
						|
                stakingWrapper.trimFloat(stakingWrapper.toFloatingPoint(payoutByPoolOperator[0], 18), 5),
 | 
						|
                stakingWrapper.trimFloat(stakingWrapper.toFloatingPoint(payoutByPoolOperator[1], 18), 5),
 | 
						|
                stakingWrapper.trimFloat(stakingWrapper.toFloatingPoint(payoutByPoolOperator[2], 18), 5),
 | 
						|
            ]);
 | 
						|
            expect(payoutAcurateToFiveDecimalsByPoolOperator[0]).to.be.bignumber.equal(expectedPayoutByPoolOperator[0]);
 | 
						|
            expect(payoutAcurateToFiveDecimalsByPoolOperator[1]).to.be.bignumber.equal(expectedPayoutByPoolOperator[1]);
 | 
						|
            expect(payoutAcurateToFiveDecimalsByPoolOperator[2]).to.be.bignumber.equal(expectedPayoutByPoolOperator[2]);
 | 
						|
 | 
						|
            ///// 10 CHECK DELEGATOR PAYOUT BY UNDELEGATING /////
 | 
						|
            const poolPayoutById = await Promise.all([
 | 
						|
                stakingWrapper.rewardVaultBalanceOfPoolAsync(poolIds[0]),
 | 
						|
                stakingWrapper.rewardVaultBalanceOfPoolAsync(poolIds[1]),
 | 
						|
                stakingWrapper.rewardVaultBalanceOfPoolAsync(poolIds[2]),
 | 
						|
            ]);
 | 
						|
            const ethBalancesByDelegatorInit = await Promise.all([
 | 
						|
                stakingWrapper.getEthBalanceAsync(delegators[0]),
 | 
						|
                stakingWrapper.getEthBalanceAsync(delegators[1]),
 | 
						|
                stakingWrapper.getEthBalanceAsync(delegators[2]),
 | 
						|
            ]);
 | 
						|
            await Promise.all([
 | 
						|
                stakingWrapper.deactivateAndTimelockDelegatedStakeAsync(delegators[0], poolIds[2], stakeByDelegator[0]),
 | 
						|
                stakingWrapper.deactivateAndTimelockDelegatedStakeAsync(delegators[1], poolIds[2], stakeByDelegator[1]),
 | 
						|
                stakingWrapper.deactivateAndTimelockDelegatedStakeAsync(delegators[2], poolIds[2], stakeByDelegator[2]),
 | 
						|
            ]);
 | 
						|
            const ethBalancesByDelegatorFinal = await Promise.all([
 | 
						|
                stakingWrapper.getEthBalanceAsync(delegators[0]),
 | 
						|
                stakingWrapper.getEthBalanceAsync(delegators[1]),
 | 
						|
                stakingWrapper.getEthBalanceAsync(delegators[2]),
 | 
						|
            ]);
 | 
						|
            const rewardByDelegator = [
 | 
						|
                ethBalancesByDelegatorFinal[0].minus(ethBalancesByDelegatorInit[0]),
 | 
						|
                ethBalancesByDelegatorFinal[1].minus(ethBalancesByDelegatorInit[1]),
 | 
						|
                ethBalancesByDelegatorFinal[2].minus(ethBalancesByDelegatorInit[2]),
 | 
						|
            ];
 | 
						|
 | 
						|
            // In this case, there was already a pot of ETH in the delegator pool that nobody had claimed.
 | 
						|
            // The first delegator got to claim it all. This is due to the necessary conservation of payouts.
 | 
						|
            // When a new delegator arrives, their new stake should not affect existing delegator payouts.
 | 
						|
            // In this case, there was unclaimed $$ in the delegator pool - which is claimed by the first delegator.
 | 
						|
            const expectedRewardByDelegator = [
 | 
						|
                poolPayoutById[2],
 | 
						|
                new BigNumber(0),
 | 
						|
                new BigNumber(0),
 | 
						|
            ];
 | 
						|
            expect(rewardByDelegator[0]).to.be.bignumber.equal(expectedRewardByDelegator[0]);
 | 
						|
            expect(rewardByDelegator[1]).to.be.bignumber.equal(expectedRewardByDelegator[1]);
 | 
						|
            expect(rewardByDelegator[2]).to.be.bignumber.equal(expectedRewardByDelegator[2]);        
 | 
						|
        });
 | 
						|
 | 
						|
        it('Finalization with Protocol Fees and Delegation with shadow ETH (withdraw w/o undelegating)', async () => {
 | 
						|
            ///// 0 DEPLOY EXCHANGE /////
 | 
						|
            await stakingWrapper.addExchangeAddressAsync(exchange);
 | 
						|
            ///// 1 SETUP POOLS /////
 | 
						|
            const poolOperators = makers.slice(0, 3);
 | 
						|
            const operatorShares = [39, 59, 43];
 | 
						|
            const poolIds = await Promise.all([
 | 
						|
                stakingWrapper.createPoolAsync(poolOperators[0], operatorShares[0]),
 | 
						|
                stakingWrapper.createPoolAsync(poolOperators[1], operatorShares[1]),
 | 
						|
                stakingWrapper.createPoolAsync(poolOperators[2], operatorShares[2]),
 | 
						|
            ]);
 | 
						|
            const makersByPoolId = [
 | 
						|
                [
 | 
						|
                    makers[0],
 | 
						|
                ],
 | 
						|
                [
 | 
						|
                    makers[1],
 | 
						|
                    makers[2]
 | 
						|
                ],
 | 
						|
                [
 | 
						|
                    makers[3],
 | 
						|
                    makers[4],
 | 
						|
                    makers[5]
 | 
						|
                ],
 | 
						|
            ];
 | 
						|
            const protocolFeesByMaker = [
 | 
						|
                // pool 1 - adds up to protocolFeesByPoolId[0]
 | 
						|
                stakingWrapper.toBaseUnitAmount(0.304958),
 | 
						|
                // pool 2 - adds up to protocolFeesByPoolId[1]
 | 
						|
                stakingWrapper.toBaseUnitAmount(3.2),
 | 
						|
                stakingWrapper.toBaseUnitAmount(12.123258),
 | 
						|
                // pool 3 - adds up to protocolFeesByPoolId[2]
 | 
						|
                stakingWrapper.toBaseUnitAmount(23.577),
 | 
						|
                stakingWrapper.toBaseUnitAmount(4.54522236),
 | 
						|
                stakingWrapper.toBaseUnitAmount(0)
 | 
						|
            ];
 | 
						|
            const makerSignatures = [
 | 
						|
                // pool 0
 | 
						|
                stakingWrapper.signApprovalForStakingPool(poolIds[0], makersByPoolId[0][0]).signature,
 | 
						|
                // pool 1
 | 
						|
                stakingWrapper.signApprovalForStakingPool(poolIds[1], makersByPoolId[1][0]).signature,
 | 
						|
                stakingWrapper.signApprovalForStakingPool(poolIds[1], makersByPoolId[1][1]).signature,
 | 
						|
                // pool 2
 | 
						|
                stakingWrapper.signApprovalForStakingPool(poolIds[2], makersByPoolId[2][0]).signature,
 | 
						|
                stakingWrapper.signApprovalForStakingPool(poolIds[2], makersByPoolId[2][1]).signature,
 | 
						|
                stakingWrapper.signApprovalForStakingPool(poolIds[2], makersByPoolId[2][2]).signature,
 | 
						|
            ]
 | 
						|
            await Promise.all([
 | 
						|
                // pool 0
 | 
						|
                stakingWrapper.addMakerToPoolAsync(poolIds[0], makersByPoolId[0][0], makerSignatures[0], poolOperators[0]),
 | 
						|
                // pool 1
 | 
						|
                stakingWrapper.addMakerToPoolAsync(poolIds[1], makersByPoolId[1][0], makerSignatures[1], poolOperators[1]),
 | 
						|
                stakingWrapper.addMakerToPoolAsync(poolIds[1], makersByPoolId[1][1], makerSignatures[2], poolOperators[1]),
 | 
						|
                // pool 2
 | 
						|
                stakingWrapper.addMakerToPoolAsync(poolIds[2], makersByPoolId[2][0], makerSignatures[3], poolOperators[2]),
 | 
						|
                stakingWrapper.addMakerToPoolAsync(poolIds[2], makersByPoolId[2][1], makerSignatures[4], poolOperators[2]),
 | 
						|
                stakingWrapper.addMakerToPoolAsync(poolIds[2], makersByPoolId[2][2], makerSignatures[5], poolOperators[2]),
 | 
						|
            ]);
 | 
						|
            ///// 2 PAY FEES /////
 | 
						|
            await Promise.all([
 | 
						|
                // pool 0 - split into two payments
 | 
						|
                stakingWrapper.payProtocolFeeAsync(makers[0], protocolFeesByMaker[0].div(2), exchange),
 | 
						|
                stakingWrapper.payProtocolFeeAsync(makers[0], protocolFeesByMaker[0].div(2), exchange),
 | 
						|
                // pool 1 - pay full amounts
 | 
						|
                stakingWrapper.payProtocolFeeAsync(makers[1], protocolFeesByMaker[1], exchange),
 | 
						|
                stakingWrapper.payProtocolFeeAsync(makers[2], protocolFeesByMaker[2], exchange),
 | 
						|
                // pool 2 -- pay full amounts
 | 
						|
                stakingWrapper.payProtocolFeeAsync(makers[3], protocolFeesByMaker[3], exchange),
 | 
						|
                stakingWrapper.payProtocolFeeAsync(makers[4], protocolFeesByMaker[4], exchange),
 | 
						|
                // maker 5 doesn't pay anything
 | 
						|
            ]);
 | 
						|
            ///// 3 VALIDATE FEES RECORDED FOR EACH POOL /////
 | 
						|
            const recordedProtocolFeesByPool = await Promise.all([
 | 
						|
                stakingWrapper.getProtocolFeesThisEpochByPoolAsync(poolIds[0]),
 | 
						|
                stakingWrapper.getProtocolFeesThisEpochByPoolAsync(poolIds[1]),
 | 
						|
                stakingWrapper.getProtocolFeesThisEpochByPoolAsync(poolIds[2]),
 | 
						|
            ]);
 | 
						|
            expect(recordedProtocolFeesByPool[0]).to.be.bignumber.equal(protocolFeesByMaker[0]);
 | 
						|
            expect(recordedProtocolFeesByPool[1]).to.be.bignumber.equal(protocolFeesByMaker[1].plus(protocolFeesByMaker[2]));
 | 
						|
            expect(recordedProtocolFeesByPool[2]).to.be.bignumber.equal(protocolFeesByMaker[3].plus(protocolFeesByMaker[4]));
 | 
						|
            ///// 4 VALIDATE TOTAL FEES /////
 | 
						|
            const recordedTotalProtocolFees = await stakingWrapper.getTotalProtocolFeesThisEpochAsync();
 | 
						|
            const totalProtocolFeesAsNumber = _.sumBy(protocolFeesByMaker, (value: BigNumber) => {return value.toNumber()});
 | 
						|
            const totalProtocolFees = new BigNumber(totalProtocolFeesAsNumber);
 | 
						|
            expect(recordedTotalProtocolFees).to.be.bignumber.equal(totalProtocolFees);
 | 
						|
            ///// 5 STAKE /////
 | 
						|
            const stakeByPoolOperator = [
 | 
						|
                stakingWrapper.toBaseUnitAmount(42),
 | 
						|
                stakingWrapper.toBaseUnitAmount(84),
 | 
						|
                stakingWrapper.toBaseUnitAmount(97),
 | 
						|
            ];
 | 
						|
            const totalStakeByPoolOperator = stakeByPoolOperator[0].plus(stakeByPoolOperator[1]).plus(stakeByPoolOperator[2]);
 | 
						|
            await Promise.all([
 | 
						|
                // pool 0
 | 
						|
                stakingWrapper.depositAndStakeAsync(poolOperators[0], stakeByPoolOperator[0]),
 | 
						|
                // pool 1
 | 
						|
                stakingWrapper.depositAndStakeAsync(poolOperators[1], stakeByPoolOperator[1]),
 | 
						|
                // pool 2
 | 
						|
                stakingWrapper.depositAndStakeAsync(poolOperators[2], stakeByPoolOperator[2]),
 | 
						|
            ]);
 | 
						|
 | 
						|
            ///// 6 FINALIZE /////
 | 
						|
            await stakingWrapper.skipToNextEpochAsync();
 | 
						|
            
 | 
						|
            ///// 7 ADD DELEGATORS (Requires Shadow ETH) /////
 | 
						|
            const delegators = stakers.slice(0, 3);
 | 
						|
            const stakeByDelegator = [
 | 
						|
                stakingWrapper.toBaseUnitAmount(17),
 | 
						|
                stakingWrapper.toBaseUnitAmount(75),
 | 
						|
                stakingWrapper.toBaseUnitAmount(90),
 | 
						|
            ];
 | 
						|
            const totalStakeByDelegators = stakeByDelegator[0].plus(stakeByDelegator[1]).plus(stakeByDelegator[2]);
 | 
						|
            await Promise.all([
 | 
						|
                stakingWrapper.depositAndDelegateAsync(delegators[0], poolIds[2], stakeByDelegator[0]),
 | 
						|
                stakingWrapper.depositAndDelegateAsync(delegators[1], poolIds[2], stakeByDelegator[1]),
 | 
						|
                stakingWrapper.depositAndDelegateAsync(delegators[2], poolIds[2], stakeByDelegator[2]),
 | 
						|
            ]);
 | 
						|
 | 
						|
            ///// 7 FINALIZE AGAIN /////
 | 
						|
            await stakingWrapper.skipToNextEpochAsync();
 | 
						|
        
 | 
						|
            ///// 7 CHECK PROFITS /////
 | 
						|
            // the expected payouts were computed by hand
 | 
						|
            // @TODO - get computations more accurate
 | 
						|
            /*
 | 
						|
                Pool | Total Fees  | Total Stake | Total Delegated Stake | Total Stake (Scaled) 
 | 
						|
                0    |  0.304958   | 42          | 0                     | 42
 | 
						|
                1    | 15.323258   | 84          | 0                     | 84
 | 
						|
                3    | 28.12222236 | 97          | 182                   | 260.8
 | 
						|
                ...
 | 
						|
                Cumulative Fees = 43.75043836
 | 
						|
                Cumulative Stake = 405
 | 
						|
                Total Rewards = 43.75043836
 | 
						|
            */
 | 
						|
 | 
						|
            const expectedPayoutByPoolOperator = [
 | 
						|
                new BigNumber('4.75677'),  // 4.756772362932728793619590327361600155564384201215274334070
 | 
						|
                new BigNumber('16.28130'), // 16.28130500394935316563988584956596823402223838026190634525
 | 
						|
                new BigNumber('20.31028'), // 20.31028447343014834523983759032242063760612769662934308289
 | 
						|
            ];
 | 
						|
 | 
						|
            const payoutByPoolOperator = await Promise.all([
 | 
						|
                stakingWrapper.rewardVaultBalanceOfAsync(poolIds[0]),
 | 
						|
                stakingWrapper.rewardVaultBalanceOfAsync(poolIds[1]),
 | 
						|
                stakingWrapper.rewardVaultBalanceOfAsync(poolIds[2]),
 | 
						|
            ]);
 | 
						|
 | 
						|
            const payoutAcurateToFiveDecimalsByPoolOperator = await Promise.all([
 | 
						|
                stakingWrapper.trimFloat(stakingWrapper.toFloatingPoint(payoutByPoolOperator[0], 18), 5),
 | 
						|
                stakingWrapper.trimFloat(stakingWrapper.toFloatingPoint(payoutByPoolOperator[1], 18), 5),
 | 
						|
                stakingWrapper.trimFloat(stakingWrapper.toFloatingPoint(payoutByPoolOperator[2], 18), 5),
 | 
						|
            ]);
 | 
						|
            expect(payoutAcurateToFiveDecimalsByPoolOperator[0]).to.be.bignumber.equal(expectedPayoutByPoolOperator[0]);
 | 
						|
            expect(payoutAcurateToFiveDecimalsByPoolOperator[1]).to.be.bignumber.equal(expectedPayoutByPoolOperator[1]);
 | 
						|
            expect(payoutAcurateToFiveDecimalsByPoolOperator[2]).to.be.bignumber.equal(expectedPayoutByPoolOperator[2]);
 | 
						|
 | 
						|
            
 | 
						|
            ///// 10 CHECK DELEGATOR PAYOUT BY WITHDRAWING /////
 | 
						|
            {
 | 
						|
                const poolPayoutById = await Promise.all([
 | 
						|
                    stakingWrapper.rewardVaultBalanceOfPoolAsync(poolIds[0]),
 | 
						|
                    stakingWrapper.rewardVaultBalanceOfPoolAsync(poolIds[1]),
 | 
						|
                    stakingWrapper.rewardVaultBalanceOfPoolAsync(poolIds[2]),
 | 
						|
                ]);
 | 
						|
                const ethBalancesByDelegatorInit = await Promise.all([
 | 
						|
                    stakingWrapper.getEthBalanceAsync(delegators[0]),
 | 
						|
                    stakingWrapper.getEthBalanceAsync(delegators[1]),
 | 
						|
                    stakingWrapper.getEthBalanceAsync(delegators[2]),
 | 
						|
                ]);
 | 
						|
                await Promise.all([
 | 
						|
                    stakingWrapper.withdrawTotalRewardAsync(poolIds[2], delegators[0]),
 | 
						|
                    stakingWrapper.withdrawTotalRewardAsync(poolIds[2], delegators[1]),
 | 
						|
                    stakingWrapper.withdrawTotalRewardAsync(poolIds[2], delegators[2]),
 | 
						|
                ]);
 | 
						|
                const ethBalancesByDelegatorFinal = await Promise.all([
 | 
						|
                    stakingWrapper.getEthBalanceAsync(delegators[0]),
 | 
						|
                    stakingWrapper.getEthBalanceAsync(delegators[1]),
 | 
						|
                    stakingWrapper.getEthBalanceAsync(delegators[2]),
 | 
						|
                ]);
 | 
						|
                const rewardByDelegator = [
 | 
						|
                    ethBalancesByDelegatorFinal[0].minus(ethBalancesByDelegatorInit[0]),
 | 
						|
                    ethBalancesByDelegatorFinal[1].minus(ethBalancesByDelegatorInit[1]),
 | 
						|
                    ethBalancesByDelegatorFinal[2].minus(ethBalancesByDelegatorInit[2]),
 | 
						|
                ];
 | 
						|
 | 
						|
                // In this case, there was already a pot of ETH in the delegator pool that nobody had claimed.
 | 
						|
                // The first delegator got to claim it all. This is due to the necessary conservation of payouts.
 | 
						|
                // When a new delegator arrives, their new stake should not affect existing delegator payouts.
 | 
						|
                // In this case, there was unclaimed $$ in the delegator pool - which is claimed by the first delegator.
 | 
						|
                const expectedRewardByDelegator = [
 | 
						|
                    poolPayoutById[2],
 | 
						|
                    new BigNumber(0),
 | 
						|
                    new BigNumber(0),
 | 
						|
                ];
 | 
						|
                expect(rewardByDelegator[0]).to.be.bignumber.equal(expectedRewardByDelegator[0]);
 | 
						|
                expect(rewardByDelegator[1]).to.be.bignumber.equal(expectedRewardByDelegator[1]);
 | 
						|
                expect(rewardByDelegator[2]).to.be.bignumber.equal(expectedRewardByDelegator[2]); 
 | 
						|
            }
 | 
						|
            
 | 
						|
            {
 | 
						|
                ///// 10 CHECK DELEGATOR PAYOUT BY UNDELEGATING /////
 | 
						|
                const poolPayoutById = await Promise.all([
 | 
						|
                    stakingWrapper.rewardVaultBalanceOfPoolAsync(poolIds[0]),
 | 
						|
                    stakingWrapper.rewardVaultBalanceOfPoolAsync(poolIds[1]),
 | 
						|
                    stakingWrapper.rewardVaultBalanceOfPoolAsync(poolIds[2]),
 | 
						|
                ]);
 | 
						|
                const ethBalancesByDelegatorInit = await Promise.all([
 | 
						|
                    stakingWrapper.getEthBalanceAsync(delegators[0]),
 | 
						|
                    stakingWrapper.getEthBalanceAsync(delegators[1]),
 | 
						|
                    stakingWrapper.getEthBalanceAsync(delegators[2]),
 | 
						|
                ]);
 | 
						|
                await Promise.all([
 | 
						|
                    stakingWrapper.deactivateAndTimelockDelegatedStakeAsync(delegators[0], poolIds[2], stakeByDelegator[0]),
 | 
						|
                    stakingWrapper.deactivateAndTimelockDelegatedStakeAsync(delegators[1], poolIds[2], stakeByDelegator[1]),
 | 
						|
                    stakingWrapper.deactivateAndTimelockDelegatedStakeAsync(delegators[2], poolIds[2], stakeByDelegator[2]),
 | 
						|
                ]);
 | 
						|
                const ethBalancesByDelegatorFinal = await Promise.all([
 | 
						|
                    stakingWrapper.getEthBalanceAsync(delegators[0]),
 | 
						|
                    stakingWrapper.getEthBalanceAsync(delegators[1]),
 | 
						|
                    stakingWrapper.getEthBalanceAsync(delegators[2]),
 | 
						|
                ]);
 | 
						|
                const rewardByDelegator = [
 | 
						|
                    ethBalancesByDelegatorFinal[0].minus(ethBalancesByDelegatorInit[0]),
 | 
						|
                    ethBalancesByDelegatorFinal[1].minus(ethBalancesByDelegatorInit[1]),
 | 
						|
                    ethBalancesByDelegatorFinal[2].minus(ethBalancesByDelegatorInit[2]),
 | 
						|
                ];
 | 
						|
 | 
						|
                // In this case, there was already a pot of ETH in the delegator pool that nobody had claimed.
 | 
						|
                // The first delegator got to claim it all. This is due to the necessary conservation of payouts.
 | 
						|
                // When a new delegator arrives, their new stake should not affect existing delegator payouts.
 | 
						|
                // In this case, there was unclaimed $$ in the delegator pool - which is claimed by the first delegator.
 | 
						|
                const expectedRewardByDelegator = [
 | 
						|
                    new BigNumber(0),
 | 
						|
                    new BigNumber(0),
 | 
						|
                    new BigNumber(0),
 | 
						|
                ];
 | 
						|
                expect(rewardByDelegator[0]).to.be.bignumber.equal(expectedRewardByDelegator[0]);
 | 
						|
                expect(rewardByDelegator[1]).to.be.bignumber.equal(expectedRewardByDelegator[1]);
 | 
						|
                expect(rewardByDelegator[2]).to.be.bignumber.equal(expectedRewardByDelegator[2]);
 | 
						|
            }
 | 
						|
        });
 | 
						|
    });
 | 
						|
});
 | 
						|
// tslint:enable:no-unnecessary-type-assertion
 |