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Add tests for total supply zero scenario #15

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Add tests for total supply zero scenario #15

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45 changes: 45 additions & 0 deletions test/Unipool.js
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Original file line number Diff line number Diff line change
Expand Up @@ -223,5 +223,50 @@ contract('Unipool', function ([_, wallet1, wallet2, wallet3, wallet4]) {
expect(await this.pool.earned(wallet1)).to.be.bignumber.almostEqualDiv1e18(web3.utils.toWei('2500'));
expect(await this.pool.earned(wallet2)).to.be.bignumber.almostEqualDiv1e18(web3.utils.toWei('7500'));
});

// TODO: if for some period the total supply is zero, rewards for that period are lost!
it('stake late solo', async function () {
// reward
await this.pool.notifyRewardAmount(web3.utils.toWei('70000'), { from: wallet1 });
expect(await this.pool.earned(wallet2)).to.be.bignumber.equal('0');

// day 4
await timeIncreaseTo(this.started.add(time.duration.days(4)));
// stake
await this.pool.stake(web3.utils.toWei('1'), { from: wallet2 });
expect(await this.pool.earned(wallet2)).to.be.bignumber.equal('0');

// day 7
await timeIncreaseTo(this.started.add(time.duration.days(7)));
expect(await this.pool.earned(wallet2)).to.be.bignumber.almostEqualDiv1e18(web3.utils.toWei('30000'));

// day 10
await timeIncreaseTo(this.started.add(time.duration.days(10)));
expect(await this.pool.earned(wallet2)).to.be.bignumber.almostEqualDiv1e18(web3.utils.toWei('30000'));
});

it('withdraw early solo', async function () {
// stake
await this.pool.stake(web3.utils.toWei('1'), { from: wallet2 });
// reward
await this.pool.notifyRewardAmount(web3.utils.toWei('70000'), { from: wallet1 });
expect(await this.pool.earned(wallet2)).to.be.bignumber.equal('0');

// day 3
await timeIncreaseTo(this.started.add(time.duration.days(3)));
expect(await this.pool.earned(wallet2)).to.be.bignumber.almostEqualDiv1e18(web3.utils.toWei('30000'));

// withdraw
await this.pool.withdraw(web3.utils.toWei('1'), { from: wallet2 });
expect(await this.pool.earned(wallet2)).to.be.bignumber.almostEqualDiv1e18(web3.utils.toWei('30000'));

// day 7
await timeIncreaseTo(this.started.add(time.duration.days(7)));
expect(await this.pool.earned(wallet2)).to.be.bignumber.almostEqualDiv1e18(web3.utils.toWei('30000'));

// day 10
await timeIncreaseTo(this.started.add(time.duration.days(10)));
expect(await this.pool.earned(wallet2)).to.be.bignumber.almostEqualDiv1e18(web3.utils.toWei('30000'));
});
});
});