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Fix 100% operator share #2333

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merged 4 commits into from
Nov 13, 2019
Merged

Fix 100% operator share #2333

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7f3d281
Allow operator share to be set to existing share
abandeali1 Nov 13, 2019
d90810d
Add tests for setting operator share to 100%
abandeali1 Nov 13, 2019
41a34c1
Add zrxVault config tests in migrations
abandeali1 Nov 13, 2019
f619646
Add test for when operatorShare == 0
abandeali1 Nov 13, 2019
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4 changes: 2 additions & 2 deletions contracts/staking/contracts/src/staking_pools/MixinStakingPool.sol
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Original file line number Diff line number Diff line change
Expand Up @@ -164,8 +164,8 @@ contract MixinStakingPool is
poolId,
newOperatorShare
));
} else if (newOperatorShare >= currentOperatorShare) {
// new share must be less than the current share
} else if (newOperatorShare > currentOperatorShare) {
// new share must be less than or equal to the current share
LibRichErrors.rrevert(LibStakingRichErrors.OperatorShareError(
LibStakingRichErrors.OperatorShareErrorCodes.CanOnlyDecreaseOperatorShare,
poolId,
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9 changes: 2 additions & 7 deletions contracts/staking/test/pools_test.ts
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Expand Up @@ -174,7 +174,7 @@ blockchainTests('Staking Pool Management', env => {
// decrease operator share
await poolOperator.decreaseStakingPoolOperatorShareAsync(poolId, increasedOperatorShare, revertError);
});
it('Should fail if operator calls decreaseStakingPoolOperatorShare but newOperatorShare == oldOperatorShare', async () => {
it('Should be successful if operator calls decreaseStakingPoolOperatorShare and newOperatorShare == oldOperatorShare', async () => {
// test parameters
const operatorAddress = users[0];
const operatorShare = (39 / 100) * PPM_DENOMINATOR;
Expand All @@ -184,13 +184,8 @@ blockchainTests('Staking Pool Management', env => {
const poolId = await poolOperator.createStakingPoolAsync(operatorShare, false);
expect(poolId).to.be.equal(stakingConstants.INITIAL_POOL_ID);

const revertError = new StakingRevertErrors.OperatorShareError(
StakingRevertErrors.OperatorShareErrorCodes.CanOnlyDecreaseOperatorShare,
poolId,
operatorShare,
);
// decrease operator share
await poolOperator.decreaseStakingPoolOperatorShareAsync(poolId, operatorShare, revertError);
await poolOperator.decreaseStakingPoolOperatorShareAsync(poolId, operatorShare);
});
it('should fail to decrease operator share if not called by operator', async () => {
// test parameters
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29 changes: 15 additions & 14 deletions contracts/staking/test/unit_tests/staking_pool_test.ts
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Expand Up @@ -170,6 +170,13 @@ blockchainTests.resets('MixinStakingPool unit tests', env => {
expect(pool.operator).to.eq(operator);
expect(pool.operatorShare).to.bignumber.eq(operatorShare);
});
it('records pool details when operator share is 100%', async () => {
const operatorShare = constants.PPM_100_PERCENT;
await testContract.createStakingPool.awaitTransactionSuccessAsync(operatorShare, false, { from: operator });
const pool = await testContract.getStakingPool.callAsync(nextPoolId);
expect(pool.operator).to.eq(operator);
expect(pool.operatorShare).to.bignumber.eq(operatorShare);
});
it('returns the next pool ID', async () => {
const poolId = await testContract.createStakingPool.callAsync(randomOperatorShare(), false, {
from: operator,
Expand Down Expand Up @@ -239,20 +246,6 @@ blockchainTests.resets('MixinStakingPool unit tests', env => {
const expectedError = new StakingRevertErrors.OnlyCallableByPoolOperatorError(maker, poolId);
return expect(tx).to.revertWith(expectedError);
});
it('fails if operator share is equal to current', async () => {
const { poolId, operatorShare } = await createPoolAsync();
const tx = testContract.decreaseStakingPoolOperatorShare.awaitTransactionSuccessAsync(
poolId,
operatorShare,
{ from: operator },
);
const expectedError = new StakingRevertErrors.OperatorShareError(
StakingRevertErrors.OperatorShareErrorCodes.CanOnlyDecreaseOperatorShare,
poolId,
operatorShare,
);
return expect(tx).to.revertWith(expectedError);
});
it('fails if operator share is greater than current', async () => {
const { poolId, operatorShare } = await createPoolAsync();
const tx = testContract.decreaseStakingPoolOperatorShare.awaitTransactionSuccessAsync(
Expand Down Expand Up @@ -291,6 +284,14 @@ blockchainTests.resets('MixinStakingPool unit tests', env => {
const pool = await testContract.getStakingPool.callAsync(poolId);
expect(pool.operatorShare).to.bignumber.eq(operatorShare - 1);
});
it('does not modify operator share if equal to current', async () => {
const { poolId, operatorShare } = await createPoolAsync();
await testContract.decreaseStakingPoolOperatorShare.awaitTransactionSuccessAsync(poolId, operatorShare, {
from: operator,
});
const pool = await testContract.getStakingPool.callAsync(poolId);
expect(pool.operatorShare).to.bignumber.eq(operatorShare);
});
it('does not modify operator', async () => {
const { poolId, operatorShare } = await createPoolAsync();
await testContract.decreaseStakingPoolOperatorShare.awaitTransactionSuccessAsync(
Expand Down