498 lines
24 KiB
TypeScript
498 lines
24 KiB
TypeScript
import { ReferenceFunctions } from '@0x/contracts-exchange-libs';
|
|
import {
|
|
blockchainTests,
|
|
constants,
|
|
expect,
|
|
getRandomInteger,
|
|
getRandomPortion,
|
|
hexRandom,
|
|
Numberish,
|
|
randomAddress,
|
|
TransactionHelper,
|
|
verifyEventsFromLogs,
|
|
} from '@0x/contracts-test-utils';
|
|
import { BigNumber } from '@0x/utils';
|
|
import { LogEntry, TransactionReceiptWithDecodedLogs } from 'ethereum-types';
|
|
|
|
import { StoredBalance } from '../utils/types';
|
|
|
|
import { artifacts } from '../artifacts';
|
|
import { TestMixinStakingPoolRewardsContract, TestMixinStakingPoolRewardsEvents as Events } from '../wrappers';
|
|
|
|
blockchainTests.resets('MixinStakingPoolRewards unit tests', env => {
|
|
let testContract: TestMixinStakingPoolRewardsContract;
|
|
let txHelper: TransactionHelper;
|
|
|
|
const POOL_ID = hexRandom();
|
|
const OPERATOR = randomAddress();
|
|
const OPERATOR_SHARE = getRandomInteger(1, constants.PPM_100_PERCENT);
|
|
let caller: string;
|
|
|
|
before(async () => {
|
|
testContract = await TestMixinStakingPoolRewardsContract.deployFrom0xArtifactAsync(
|
|
artifacts.TestMixinStakingPoolRewards,
|
|
env.provider,
|
|
env.txDefaults,
|
|
artifacts,
|
|
);
|
|
await testContract.setPool.awaitTransactionSuccessAsync(POOL_ID, {
|
|
operator: OPERATOR,
|
|
operatorShare: OPERATOR_SHARE,
|
|
});
|
|
[caller] = await env.getAccountAddressesAsync();
|
|
txHelper = new TransactionHelper(env.web3Wrapper, artifacts);
|
|
});
|
|
|
|
async function setUnfinalizedPoolRewardsAsync(
|
|
poolId: string,
|
|
reward: Numberish,
|
|
membersStake: Numberish,
|
|
): Promise<void> {
|
|
await testContract.setUnfinalizedPoolRewards.awaitTransactionSuccessAsync(
|
|
poolId,
|
|
new BigNumber(reward),
|
|
new BigNumber(membersStake),
|
|
);
|
|
}
|
|
|
|
// Set the delegated stake of a delegator in a pool.
|
|
// Omitted fields will be randomly generated.
|
|
async function setStakeAsync(
|
|
poolId: string,
|
|
delegator: string,
|
|
stake?: Partial<StoredBalance>,
|
|
): Promise<StoredBalance> {
|
|
const _stake = {
|
|
currentEpoch: getRandomInteger(1, 4e9),
|
|
currentEpochBalance: getRandomInteger(1, 1e18),
|
|
nextEpochBalance: getRandomInteger(1, 1e18),
|
|
...stake,
|
|
};
|
|
await testContract.setDelegatedStakeToPoolByOwner.awaitTransactionSuccessAsync(delegator, poolId, {
|
|
currentEpoch: _stake.currentEpoch,
|
|
currentEpochBalance: _stake.currentEpochBalance,
|
|
nextEpochBalance: _stake.nextEpochBalance,
|
|
});
|
|
return _stake;
|
|
}
|
|
|
|
// Sets up state for a call to `_computeDelegatorReward()` and return the
|
|
// finalized rewards it will compute.
|
|
async function setComputeDelegatorRewardStateAsync(
|
|
poolId: string,
|
|
delegator: string,
|
|
finalizedReward?: Numberish,
|
|
): Promise<BigNumber> {
|
|
const stake = await testContract.delegatedStakeToPoolByOwner.callAsync(delegator, poolId);
|
|
// Split the rewards up across the two calls to `_computeMemberRewardOverInterval()`
|
|
const reward = finalizedReward === undefined ? getRandomInteger(1, 1e18) : new BigNumber(finalizedReward);
|
|
const oldRewards = getRandomPortion(reward);
|
|
await testContract.setMemberRewardsOverInterval.awaitTransactionSuccessAsync(
|
|
poolId,
|
|
stake.currentEpochBalance,
|
|
stake.currentEpoch,
|
|
stake.currentEpoch.plus(1),
|
|
oldRewards,
|
|
);
|
|
const newRewards = reward.minus(oldRewards);
|
|
await testContract.setMemberRewardsOverInterval.awaitTransactionSuccessAsync(
|
|
poolId,
|
|
stake.nextEpochBalance,
|
|
stake.currentEpoch.plus(1),
|
|
await testContract.currentEpoch.callAsync(),
|
|
newRewards,
|
|
);
|
|
return reward;
|
|
}
|
|
|
|
function toOperatorPortion(operatorShare: Numberish, reward: Numberish): BigNumber {
|
|
return ReferenceFunctions.getPartialAmountCeil(
|
|
new BigNumber(operatorShare),
|
|
new BigNumber(constants.PPM_DENOMINATOR),
|
|
new BigNumber(reward),
|
|
);
|
|
}
|
|
|
|
function toMembersPortion(operatorShare: Numberish, reward: Numberish): BigNumber {
|
|
return new BigNumber(reward).minus(toOperatorPortion(operatorShare, reward));
|
|
}
|
|
|
|
describe('withdrawDelegatorRewards()', () => {
|
|
it('calls `_withdrawAndSyncDelegatorRewards()` with the sender as the member', async () => {
|
|
const { logs } = await testContract.withdrawDelegatorRewards.awaitTransactionSuccessAsync(POOL_ID);
|
|
verifyEventsFromLogs(
|
|
logs,
|
|
[{ poolId: POOL_ID, delegator: caller }],
|
|
Events.WithdrawAndSyncDelegatorRewards,
|
|
);
|
|
});
|
|
});
|
|
|
|
describe('_withdrawAndSyncDelegatorRewards()', () => {
|
|
const POOL_REWARD = getRandomInteger(1, 100e18);
|
|
const WETH_RESERVED_FOR_POOL_REWARDS = POOL_REWARD.plus(getRandomInteger(1, 100e18));
|
|
const DELEGATOR = randomAddress();
|
|
let stake: StoredBalance;
|
|
|
|
before(async () => {
|
|
stake = await setStakeAsync(POOL_ID, DELEGATOR);
|
|
await testContract.setPoolRewards.awaitTransactionSuccessAsync(POOL_ID, POOL_REWARD);
|
|
await testContract.setWethReservedForPoolRewards.awaitTransactionSuccessAsync(
|
|
WETH_RESERVED_FOR_POOL_REWARDS,
|
|
);
|
|
});
|
|
|
|
async function withdrawAndSyncDelegatorRewardsAsync(): Promise<TransactionReceiptWithDecodedLogs> {
|
|
return testContract.withdrawAndSyncDelegatorRewards.awaitTransactionSuccessAsync(POOL_ID, DELEGATOR);
|
|
}
|
|
|
|
it('reverts if the pool is not finalized', async () => {
|
|
await setUnfinalizedPoolRewardsAsync(POOL_ID, 0, 1);
|
|
const tx = withdrawAndSyncDelegatorRewardsAsync();
|
|
return expect(tx).to.revertWith('POOL_NOT_FINALIZED');
|
|
});
|
|
it('calls `_updateCumulativeReward()`', async () => {
|
|
const { logs } = await withdrawAndSyncDelegatorRewardsAsync();
|
|
verifyEventsFromLogs(logs, [{ poolId: POOL_ID }], Events.UpdateCumulativeReward);
|
|
});
|
|
it('transfers finalized rewards to the sender', async () => {
|
|
const finalizedReward = getRandomPortion(POOL_REWARD);
|
|
await setComputeDelegatorRewardStateAsync(POOL_ID, DELEGATOR, finalizedReward);
|
|
const { logs } = await withdrawAndSyncDelegatorRewardsAsync();
|
|
verifyEventsFromLogs(
|
|
logs,
|
|
[{ _from: testContract.address, _to: DELEGATOR, _value: finalizedReward }],
|
|
Events.Transfer,
|
|
);
|
|
});
|
|
it('reduces `rewardsByPoolId` for the pool', async () => {
|
|
const finalizedReward = getRandomPortion(POOL_REWARD);
|
|
await setComputeDelegatorRewardStateAsync(POOL_ID, DELEGATOR, finalizedReward);
|
|
await withdrawAndSyncDelegatorRewardsAsync();
|
|
const poolReward = await testContract.rewardsByPoolId.callAsync(POOL_ID);
|
|
expect(poolReward).to.bignumber.eq(POOL_REWARD.minus(finalizedReward));
|
|
});
|
|
it('reduces `wethReservedForPoolRewards` for the pool', async () => {
|
|
const finalizedReward = getRandomPortion(POOL_REWARD);
|
|
await setComputeDelegatorRewardStateAsync(POOL_ID, DELEGATOR, finalizedReward);
|
|
await withdrawAndSyncDelegatorRewardsAsync();
|
|
const wethReserved = await testContract.wethReservedForPoolRewards.callAsync();
|
|
expect(wethReserved).to.bignumber.eq(WETH_RESERVED_FOR_POOL_REWARDS.minus(finalizedReward));
|
|
});
|
|
it('syncs `_delegatedStakeToPoolByOwner`', async () => {
|
|
await setComputeDelegatorRewardStateAsync(POOL_ID, DELEGATOR, getRandomPortion(POOL_REWARD));
|
|
await withdrawAndSyncDelegatorRewardsAsync();
|
|
const stakeAfter = await testContract.delegatedStakeToPoolByOwner.callAsync(DELEGATOR, POOL_ID);
|
|
// `_loadCurrentBalance` is overridden to just increment `currentEpoch`.
|
|
expect(stakeAfter).to.deep.eq({
|
|
currentEpoch: stake.currentEpoch.plus(1),
|
|
currentEpochBalance: stake.currentEpochBalance,
|
|
nextEpochBalance: stake.nextEpochBalance,
|
|
});
|
|
});
|
|
it('does not transfer zero rewards', async () => {
|
|
await setComputeDelegatorRewardStateAsync(POOL_ID, DELEGATOR, 0);
|
|
const { logs } = await withdrawAndSyncDelegatorRewardsAsync();
|
|
verifyEventsFromLogs(logs, [], Events.Transfer);
|
|
});
|
|
it('no rewards if the delegated stake epoch == current epoch', async () => {
|
|
// Set some finalized rewards that should be ignored.
|
|
await setComputeDelegatorRewardStateAsync(POOL_ID, DELEGATOR, getRandomInteger(1, POOL_REWARD));
|
|
await testContract.setCurrentEpoch.awaitTransactionSuccessAsync(stake.currentEpoch);
|
|
const { logs } = await withdrawAndSyncDelegatorRewardsAsync();
|
|
// There will be no Transfer events if computed rewards are zero.
|
|
verifyEventsFromLogs(logs, [], Events.Transfer);
|
|
});
|
|
});
|
|
|
|
describe('computeRewardBalanceOfOperator()', () => {
|
|
async function computeRewardBalanceOfOperatorAsync(): Promise<BigNumber> {
|
|
return testContract.computeRewardBalanceOfOperator.callAsync(POOL_ID);
|
|
}
|
|
|
|
it('returns only unfinalized rewards', async () => {
|
|
const unfinalizedReward = getRandomInteger(1, 1e18);
|
|
await setUnfinalizedPoolRewardsAsync(POOL_ID, unfinalizedReward, getRandomInteger(1, 1e18));
|
|
// Set some unfinalized state for a call to `_computeDelegatorReward()`,
|
|
// which should not be called.
|
|
await setComputeDelegatorRewardStateAsync(POOL_ID, OPERATOR, getRandomInteger(1, 1e18));
|
|
const reward = await computeRewardBalanceOfOperatorAsync();
|
|
const expectedReward = toOperatorPortion(OPERATOR_SHARE, unfinalizedReward);
|
|
expect(reward).to.bignumber.eq(expectedReward);
|
|
});
|
|
it('returns operator portion of unfinalized rewards', async () => {
|
|
const unfinalizedReward = getRandomInteger(1, 1e18);
|
|
await setUnfinalizedPoolRewardsAsync(POOL_ID, unfinalizedReward, getRandomInteger(1, 1e18));
|
|
const reward = await computeRewardBalanceOfOperatorAsync();
|
|
const expectedReward = toOperatorPortion(OPERATOR_SHARE, unfinalizedReward);
|
|
expect(reward).to.bignumber.eq(expectedReward);
|
|
});
|
|
it('returns zero if no unfinalized rewards', async () => {
|
|
await setUnfinalizedPoolRewardsAsync(POOL_ID, 0, getRandomInteger(1, 1e18));
|
|
const reward = await computeRewardBalanceOfOperatorAsync();
|
|
expect(reward).to.bignumber.eq(0);
|
|
});
|
|
it('returns all unfinalized reward if member stake is zero', async () => {
|
|
const unfinalizedReward = getRandomInteger(1, 1e18);
|
|
await setUnfinalizedPoolRewardsAsync(POOL_ID, unfinalizedReward, 0);
|
|
const reward = await computeRewardBalanceOfOperatorAsync();
|
|
expect(reward).to.bignumber.eq(unfinalizedReward);
|
|
});
|
|
it('returns no reward if operator share is zero', async () => {
|
|
await testContract.setPool.awaitTransactionSuccessAsync(POOL_ID, {
|
|
operator: OPERATOR,
|
|
operatorShare: constants.ZERO_AMOUNT,
|
|
});
|
|
await setUnfinalizedPoolRewardsAsync(POOL_ID, getRandomInteger(1, 1e18), getRandomInteger(1, 1e18));
|
|
const reward = await computeRewardBalanceOfOperatorAsync();
|
|
expect(reward).to.bignumber.eq(0);
|
|
});
|
|
it('returns all unfinalized reward if operator share is 100%', async () => {
|
|
await testContract.setPool.awaitTransactionSuccessAsync(POOL_ID, {
|
|
operator: OPERATOR,
|
|
operatorShare: constants.PPM_100_PERCENT,
|
|
});
|
|
const unfinalizedReward = getRandomInteger(1, 1e18);
|
|
await setUnfinalizedPoolRewardsAsync(POOL_ID, unfinalizedReward, getRandomInteger(1, 1e18));
|
|
const reward = await computeRewardBalanceOfOperatorAsync();
|
|
expect(reward).to.bignumber.eq(unfinalizedReward);
|
|
});
|
|
});
|
|
|
|
describe('computeRewardBalanceOfDelegator()', () => {
|
|
const DELEGATOR = randomAddress();
|
|
let currentEpoch: BigNumber;
|
|
let stake: StoredBalance;
|
|
|
|
before(async () => {
|
|
currentEpoch = await testContract.currentEpoch.callAsync();
|
|
stake = await setStakeAsync(POOL_ID, DELEGATOR);
|
|
});
|
|
|
|
async function computeRewardBalanceOfDelegatorAsync(): Promise<BigNumber> {
|
|
return testContract.computeRewardBalanceOfDelegator.callAsync(POOL_ID, DELEGATOR);
|
|
}
|
|
|
|
function getDelegatorPortionOfUnfinalizedReward(
|
|
unfinalizedReward: Numberish,
|
|
unfinalizedMembersStake: Numberish,
|
|
): BigNumber {
|
|
const unfinalizedStakeBalance = stake.currentEpoch.gte(currentEpoch)
|
|
? stake.currentEpochBalance
|
|
: stake.nextEpochBalance;
|
|
return ReferenceFunctions.getPartialAmountFloor(
|
|
unfinalizedStakeBalance,
|
|
new BigNumber(unfinalizedMembersStake),
|
|
toMembersPortion(OPERATOR_SHARE, unfinalizedReward),
|
|
);
|
|
}
|
|
|
|
it('returns zero when no finalized or unfinalized rewards', async () => {
|
|
const reward = await computeRewardBalanceOfDelegatorAsync();
|
|
expect(reward).to.bignumber.eq(0);
|
|
});
|
|
it('returns only unfinalized rewards when no finalized rewards', async () => {
|
|
const unfinalizedReward = getRandomInteger(1, 1e18);
|
|
const unfinalizedMembersStake = getRandomInteger(1, 1e18);
|
|
await setUnfinalizedPoolRewardsAsync(POOL_ID, unfinalizedReward, unfinalizedMembersStake);
|
|
const expectedReward = getDelegatorPortionOfUnfinalizedReward(unfinalizedReward, unfinalizedMembersStake);
|
|
const reward = await computeRewardBalanceOfDelegatorAsync();
|
|
expect(reward).to.bignumber.eq(expectedReward);
|
|
});
|
|
it("returns zero when delegator's synced stake was zero in the last epoch and no finalized rewards", async () => {
|
|
await setStakeAsync(POOL_ID, DELEGATOR, {
|
|
...stake,
|
|
currentEpoch: currentEpoch.minus(1),
|
|
currentEpochBalance: constants.ZERO_AMOUNT,
|
|
});
|
|
await setUnfinalizedPoolRewardsAsync(POOL_ID, getRandomInteger(1, 1e18), getRandomInteger(1, 1e18));
|
|
const reward = await computeRewardBalanceOfDelegatorAsync();
|
|
expect(reward).to.bignumber.eq(0);
|
|
});
|
|
it("returns zero when delegator's unsynced stake was zero in the last epoch and no finalized rewards", async () => {
|
|
const epoch = 2;
|
|
await setStakeAsync(POOL_ID, DELEGATOR, {
|
|
...stake,
|
|
currentEpoch: new BigNumber(epoch - 2),
|
|
nextEpochBalance: constants.ZERO_AMOUNT,
|
|
});
|
|
await testContract.setCurrentEpoch.awaitTransactionSuccessAsync(new BigNumber(epoch));
|
|
await setUnfinalizedPoolRewardsAsync(POOL_ID, getRandomInteger(1, 1e18), getRandomInteger(1, 1e18));
|
|
const reward = await computeRewardBalanceOfDelegatorAsync();
|
|
expect(reward).to.bignumber.eq(0);
|
|
});
|
|
it('returns only finalized rewards when no unfinalized rewards', async () => {
|
|
const finalizedReward = getRandomInteger(1, 1e18);
|
|
await setComputeDelegatorRewardStateAsync(POOL_ID, DELEGATOR, finalizedReward);
|
|
const reward = await computeRewardBalanceOfDelegatorAsync();
|
|
expect(reward).to.bignumber.eq(finalizedReward);
|
|
});
|
|
it('returns both unfinalized and finalized rewards', async () => {
|
|
const unfinalizedReward = getRandomInteger(1, 1e18);
|
|
const unfinalizedMembersStake = getRandomInteger(1, 1e18);
|
|
await setUnfinalizedPoolRewardsAsync(POOL_ID, unfinalizedReward, unfinalizedMembersStake);
|
|
const finalizedReward = getRandomInteger(1, 1e18);
|
|
await setComputeDelegatorRewardStateAsync(POOL_ID, DELEGATOR, finalizedReward);
|
|
const delegatorUnfinalizedReward = getDelegatorPortionOfUnfinalizedReward(
|
|
unfinalizedReward,
|
|
unfinalizedMembersStake,
|
|
);
|
|
const expectedReward = delegatorUnfinalizedReward.plus(finalizedReward);
|
|
const reward = await computeRewardBalanceOfDelegatorAsync();
|
|
expect(reward).to.bignumber.eq(expectedReward);
|
|
});
|
|
});
|
|
|
|
describe('_syncPoolRewards()', async () => {
|
|
const POOL_REWARD = getRandomInteger(1, 100e18);
|
|
const WETH_RESERVED_FOR_POOL_REWARDS = POOL_REWARD.plus(getRandomInteger(1, 100e18));
|
|
|
|
before(async () => {
|
|
await testContract.setPoolRewards.awaitTransactionSuccessAsync(POOL_ID, POOL_REWARD);
|
|
await testContract.setWethReservedForPoolRewards.awaitTransactionSuccessAsync(
|
|
WETH_RESERVED_FOR_POOL_REWARDS,
|
|
);
|
|
});
|
|
|
|
async function syncPoolRewardsAsync(
|
|
reward: Numberish,
|
|
membersStake: Numberish,
|
|
): Promise<[[BigNumber, BigNumber], LogEntry[]]> {
|
|
const [result, receipt] = await txHelper.getResultAndReceiptAsync(
|
|
testContract.syncPoolRewards,
|
|
POOL_ID,
|
|
new BigNumber(reward),
|
|
new BigNumber(membersStake),
|
|
);
|
|
return [result, receipt.logs];
|
|
}
|
|
|
|
it("transfers operator's portion of the reward to the operator", async () => {
|
|
const totalReward = getRandomInteger(1, 1e18);
|
|
const membersStake = getRandomInteger(1, 1e18);
|
|
const [, logs] = await syncPoolRewardsAsync(totalReward, membersStake);
|
|
const expectedOperatorReward = toOperatorPortion(OPERATOR_SHARE, totalReward);
|
|
verifyEventsFromLogs(
|
|
logs,
|
|
[{ _from: testContract.address, _to: OPERATOR, _value: expectedOperatorReward }],
|
|
Events.Transfer,
|
|
);
|
|
});
|
|
it("increases `rewardsByPoolId` with members' portion of rewards", async () => {
|
|
const totalReward = getRandomInteger(1, 1e18);
|
|
const membersStake = getRandomInteger(1, 1e18);
|
|
await syncPoolRewardsAsync(totalReward, membersStake);
|
|
const expectedMembersReward = toMembersPortion(OPERATOR_SHARE, totalReward);
|
|
const poolReward = await testContract.rewardsByPoolId.callAsync(POOL_ID);
|
|
expect(poolReward).to.bignumber.eq(POOL_REWARD.plus(expectedMembersReward));
|
|
});
|
|
it("increases `wethReservedForPoolRewards` with members' portion of rewards", async () => {
|
|
const totalReward = getRandomInteger(1, 1e18);
|
|
const membersStake = getRandomInteger(1, 1e18);
|
|
await syncPoolRewardsAsync(totalReward, membersStake);
|
|
const expectedMembersReward = toMembersPortion(OPERATOR_SHARE, totalReward);
|
|
const wethReserved = await testContract.wethReservedForPoolRewards.callAsync();
|
|
expect(wethReserved).to.bignumber.eq(WETH_RESERVED_FOR_POOL_REWARDS.plus(expectedMembersReward));
|
|
});
|
|
it("returns operator and members' portion of the reward", async () => {
|
|
const totalReward = getRandomInteger(1, 1e18);
|
|
const membersStake = getRandomInteger(1, 1e18);
|
|
const [[operatorReward, membersReward]] = await syncPoolRewardsAsync(totalReward, membersStake);
|
|
const expectedOperatorReward = toOperatorPortion(OPERATOR_SHARE, totalReward);
|
|
const expectedMembersReward = toMembersPortion(OPERATOR_SHARE, totalReward);
|
|
expect(operatorReward).to.bignumber.eq(expectedOperatorReward);
|
|
expect(membersReward).to.bignumber.eq(expectedMembersReward);
|
|
});
|
|
it("gives all rewards to operator if members' stake is zero", async () => {
|
|
const totalReward = getRandomInteger(1, 1e18);
|
|
const [[operatorReward, membersReward], logs] = await syncPoolRewardsAsync(totalReward, 0);
|
|
expect(operatorReward).to.bignumber.eq(totalReward);
|
|
expect(membersReward).to.bignumber.eq(0);
|
|
verifyEventsFromLogs(
|
|
logs,
|
|
[{ _from: testContract.address, _to: OPERATOR, _value: totalReward }],
|
|
Events.Transfer,
|
|
);
|
|
});
|
|
it("gives all rewards to members if operator's share is zero", async () => {
|
|
const totalReward = getRandomInteger(1, 1e18);
|
|
await testContract.setPool.awaitTransactionSuccessAsync(POOL_ID, {
|
|
operator: OPERATOR,
|
|
operatorShare: constants.ZERO_AMOUNT,
|
|
});
|
|
const [[operatorReward, membersReward], logs] = await syncPoolRewardsAsync(
|
|
totalReward,
|
|
getRandomInteger(1, 1e18),
|
|
);
|
|
expect(operatorReward).to.bignumber.eq(0);
|
|
expect(membersReward).to.bignumber.eq(totalReward);
|
|
// Should be no transfer to the operator.
|
|
verifyEventsFromLogs(logs, [], Events.Transfer);
|
|
});
|
|
});
|
|
|
|
describe('_computePoolRewardsSplit', () => {
|
|
it("gives all rewards to operator if members' stake is zero", async () => {
|
|
const operatorShare = getRandomPortion(constants.PPM_100_PERCENT);
|
|
const totalReward = getRandomInteger(1, 1e18);
|
|
const membersStake = constants.ZERO_AMOUNT;
|
|
const [operatorReward, membersReward] = await testContract.computePoolRewardsSplit.callAsync(
|
|
operatorShare,
|
|
totalReward,
|
|
membersStake,
|
|
);
|
|
expect(operatorReward).to.bignumber.eq(totalReward);
|
|
expect(membersReward).to.bignumber.eq(0);
|
|
});
|
|
it("gives all rewards to operator if members' stake is zero and operator share is zero", async () => {
|
|
const operatorShare = constants.ZERO_AMOUNT;
|
|
const totalReward = getRandomInteger(1, 1e18);
|
|
const membersStake = constants.ZERO_AMOUNT;
|
|
const [operatorReward, membersReward] = await testContract.computePoolRewardsSplit.callAsync(
|
|
operatorShare,
|
|
totalReward,
|
|
membersStake,
|
|
);
|
|
expect(operatorReward).to.bignumber.eq(totalReward);
|
|
expect(membersReward).to.bignumber.eq(0);
|
|
});
|
|
it('gives all rewards to operator if operator share is 100%', async () => {
|
|
const operatorShare = constants.PPM_100_PERCENT;
|
|
const totalReward = getRandomInteger(1, 1e18);
|
|
const membersStake = getRandomInteger(1, 1e18);
|
|
const [operatorReward, membersReward] = await testContract.computePoolRewardsSplit.callAsync(
|
|
operatorShare,
|
|
totalReward,
|
|
membersStake,
|
|
);
|
|
expect(operatorReward).to.bignumber.eq(totalReward);
|
|
expect(membersReward).to.bignumber.eq(0);
|
|
});
|
|
it('gives all rewards to members if operator share is 0%', async () => {
|
|
const operatorShare = constants.ZERO_AMOUNT;
|
|
const totalReward = getRandomInteger(1, 1e18);
|
|
const membersStake = getRandomInteger(1, 1e18);
|
|
const [operatorReward, membersReward] = await testContract.computePoolRewardsSplit.callAsync(
|
|
operatorShare,
|
|
totalReward,
|
|
membersStake,
|
|
);
|
|
expect(operatorReward).to.bignumber.eq(0);
|
|
expect(membersReward).to.bignumber.eq(totalReward);
|
|
});
|
|
it('splits rewards between operator and members based on operator share', async () => {
|
|
const operatorShare = getRandomPortion(constants.PPM_100_PERCENT);
|
|
const totalReward = getRandomInteger(1, 1e18);
|
|
const membersStake = getRandomInteger(1, 1e18);
|
|
const [operatorReward, membersReward] = await testContract.computePoolRewardsSplit.callAsync(
|
|
operatorShare,
|
|
totalReward,
|
|
membersStake,
|
|
);
|
|
expect(operatorReward).to.bignumber.eq(toOperatorPortion(operatorShare, totalReward));
|
|
expect(membersReward).to.bignumber.eq(toMembersPortion(operatorShare, totalReward));
|
|
});
|
|
});
|
|
});
|
|
// tslint:disable: max-file-line-count
|