def test_cannotExchangeNominsForHavvensIfPriceStale(self):
exchanger = self.participantAddresses[0]
nominsToTransfer = 20 * UNIT
self.issuanceController.setPriceStalePeriod(self.contractOwner, 1)
# Set up the contract so it contains some nomins and havvens
self.nomin.giveNomins(MASTER, exchanger, nominsToTransfer)
self.assertEqual(self.nomin.balanceOf(exchanger), nominsToTransfer)
self.havven.endow(MASTER, self.issuanceControllerContract.address,
1000 * UNIT)
self.assertEqual(
self.havven.balanceOf(self.issuanceControllerContract.address),
1000 * UNIT)
timeSent = block_time()
self.issuanceController.updatePrices(self.oracleAddress,
self.usdToEthPrice,
self.usdToHavPrice, timeSent)
fast_forward(2)
# Attempt transfer
self.nomin.approve(exchanger, self.issuanceControllerContract.address,
nominsToTransfer)
self.assertReverts(self.issuanceController.exchangeNominsForHavvens,
exchanger, nominsToTransfer)
self.assertEqual(self.nomin.balanceOf(exchanger), nominsToTransfer)
self.assertEqual(
self.havven.balanceOf(self.issuanceControllerContract.address),
1000 * UNIT)
def give_master_nomins(self, amt):
fast_forward(
1) # fast forward to allow price to not clash with previous block
self.n_updatePrice(MASTER, UNIT, self.now_block_time())
self.n_replenishPool(MASTER, amt * UNIT, 2 * amt * ETHER)
ethercost = self.n_purchaseCostEther(amt * UNIT)
self.n_buy(MASTER, amt * UNIT, ethercost)
def test_hasVoted(self):
owner = self.owner()
voter, suspect = fresh_accounts(2)
fee_period = self.havvenTargetFeePeriodDurationSeconds()
# Give 1000 havven tokens to our voter.
self.havvenEndow(owner, voter, 1000)
self.assertEqual(self.havvenBalance(voter), 1000)
# Fast forward to update the vote weight.
fast_forward(fee_period + 1)
self.havvenCheckFeePeriodRollover(DUMMY)
self.havvenAdjustFeeEntitlement(voter, voter,
self.havvenBalance(voter))
# This should fail because no confiscation motion has begun.
self.assertFalse(self.hasVoted(voter))
self.beginConfiscationMotion(owner, suspect)
# This should return false because the voter has not voted yet.
self.assertFalse(self.hasVoted(voter))
self.voteFor(voter, suspect)
# This should return true because the voter has voted.
self.assertTrue(self.hasVoted(voter))
# And false when they cancel their vote.
self.cancelVote(voter, suspect)
self.assertFalse(self.hasVoted(voter))
# And true again if they vote against.
self.voteFor(voter, suspect)
self.assertTrue(self.hasVoted(voter))
def test_escrowedFees(self):
self.havven.endow(MASTER, self.escrow.contract.address,
self.havven.totalSupply())
self.escrow.appendVestingEntry(MASTER, MASTER,
block_time() + 100000,
self.havven.totalSupply())
self.havven_updatePrice(self.havven.oracle(), UNIT,
self.havven.currentTime() + 1)
self.havven.setIssuer(MASTER, MASTER, True)
self.havven.issueNomins(MASTER, UNIT)
# generate 1 UNIT of fees
self.nomin.donateToFeePool(MASTER, UNIT)
fees = self.nomin.feePool()
# Skip a period so we have a full period with no transfers
fast_forward(self.havven.feePeriodDuration() + 100)
self.havven.rolloverFeePeriodIfElapsed(MASTER)
self.havven.recomputeLastAverageBalance(MASTER, MASTER)
# Skip a period so we have a full period with no transfers
fast_forward(self.havven.feePeriodDuration() + 100)
self.havven.rolloverFeePeriodIfElapsed(MASTER)
self.havven.recomputeLastAverageBalance(MASTER, MASTER)
self.assertEqual(fees, self.havven.lastFeesCollected())
self.havven.withdrawFees(MASTER)
self.assertEqual(self.nomin.feePool(), 0)
self.assertEqual(self.nomin.balanceOf(MASTER), fees)
def test_issue_revert_conditions(self):
alice = fresh_account()
self.havven.endow(MASTER, alice, 1000 * UNIT)
self.havven_updatePrice(self.havven.oracle(), UNIT,
self.havven.currentTime() + 1)
self.assertReverts(self.havven.issueNomins, alice,
10 * UNIT) # reverts, as not an issuer
self.havven.setIssuer(MASTER, alice, True)
fast_forward(days=1) # fast forward to make price stale
self.assertReverts(self.havven.issueNomins, alice,
10 * UNIT) # reverts, as price is stale
self.havven_updatePrice(self.havven.oracle(), UNIT,
self.havven.currentTime() + 1)
self.assertReverts(self.havven.issueNomins, alice, 1000 *
UNIT) # reverts, as too many nomins being issued
self.havven.setIssuanceRatio(MASTER, 0)
self.assertReverts(self.havven.issueNomins, alice,
10 * UNIT) # reverts, as CMAX too low (0)
self.havven.setIssuanceRatio(MASTER, int(0.05 * UNIT))
self.havven.issueNomins(alice, self.havven.maxIssuableNomins(alice))
self.assertEqual(self.havven.nominsIssued(alice), 50 * UNIT)
self.assertReverts(self.havven.issueNomins, alice,
self.havven.maxIssuableNomins(alice))
self.assertEqual(self.havven.remainingIssuableNomins(alice), 0)
self.havven.issueNomins(alice,
self.havven.remainingIssuableNomins(alice))
def test_cannotExchangeEtherForHavvensIfPriceStale(self):
amount = 10 * UNIT
havvenAmount = 10000 * UNIT
exchanger = self.participantAddresses[0]
startingFundsWalletEthBalance = get_eth_balance(self.fundsWallet)
# Push a price update
self.issuanceController.setPriceStalePeriod(self.contractOwner, 1)
timeSent = block_time()
self.issuanceController.updatePrices(self.oracleAddress,
self.usdToEthPrice,
self.usdToHavPrice, timeSent)
# Wait so the lastPriceUpdateTime is different to now
fast_forward(2)
# Set up the contract so it contains some havvens for folks to convert Ether for
self.havven.endow(MASTER, self.issuanceControllerContract.address,
havvenAmount)
self.assertEqual(
self.havven.balanceOf(self.issuanceControllerContract.address),
havvenAmount)
# Attempt transfer
self.assertReverts(self.issuanceController.exchangeEtherForHavvens,
exchanger, amount)
endingFundsWalletEthBalance = get_eth_balance(self.fundsWallet)
self.assertEqual(
self.havven.balanceOf(self.issuanceControllerContract.address),
havvenAmount)
self.assertEqual(self.havven.balanceOf(exchanger), 0)
self.assertEqual(startingFundsWalletEthBalance,
endingFundsWalletEthBalance)
def test_totalVestedBalance(self):
alice, bob = fresh_accounts(2)
time = block_time()
self.havven.endow(MASTER, self.escrow.contract.address, 100 * UNIT)
self.assertEqual(self.escrow.totalVestedBalance(), 0)
self.escrow.appendVestingEntry(MASTER, bob, time + 100, UNIT)
self.assertEqual(self.escrow.totalVestedBalance(), UNIT)
self.escrow.appendVestingEntry(MASTER, alice, time + 100, UNIT)
self.assertEqual(self.escrow.totalVestedBalance(), 2 * UNIT)
self.escrow.purgeAccount(MASTER, alice)
self.assertEqual(self.escrow.totalVestedBalance(), UNIT)
k = 5
for n in [100 * 2**i for i in range(k)]:
self.escrow.appendVestingEntry(MASTER, alice, time + n, n)
self.assertEqual(self.escrow.totalVestedBalance(),
UNIT + 100 * (2**k - 1))
fast_forward(110)
self.escrow.vest(alice)
self.assertEqual(self.escrow.totalVestedBalance(),
UNIT + 100 * (2**k - 1) - 100)
def test_cannotExchangeEtherForNominsIfPriceStale(self):
amount = 10 * UNIT
nominsBalance = (amount * self.usdToEthPrice) // UNIT
base = self.nomin.amountReceived(nominsBalance)
self.issuanceController.setPriceStalePeriod(self.contractOwner, 1)
timeSent = block_time()
self.issuanceController.updatePrices(self.oracleAddress,
self.usdToEthPrice,
self.usdToHavPrice, timeSent)
exchanger = self.participantAddresses[0]
startingFundsWalletEthBalance = get_eth_balance(self.fundsWallet)
fast_forward(2) # Wait so the lastPriceUpdateTime is different to now
# Set up the contract so it contains some nomins for folks to convert Ether for
self.nomin.giveNomins(MASTER, self.issuanceControllerContract.address,
nominsBalance)
self.assertEqual(
self.nomin.balanceOf(self.issuanceControllerContract.address),
nominsBalance)
# Attmpt transfer
self.assertReverts(self.issuanceController.exchangeEtherForNomins,
exchanger, amount)
endingFundsWalletEthBalance = get_eth_balance(self.fundsWallet)
self.assertEqual(
self.nomin.balanceOf(self.issuanceControllerContract.address),
nominsBalance)
self.assertEqual(self.nomin.balanceOf(exchanger), 0)
self.assertEqual(self.nomin.feePool(), 0)
self.assertEqual(startingFundsWalletEthBalance,
endingFundsWalletEthBalance)
def test_currentBalanceSum(self):
# Testing the value of currentBalanceSum works as intended,
# Further testing involving this and fee collection will be done
# in scenario testing
fee_period = self.havven.feePeriodDuration()
delay = int(fee_period / 10)
alice = fresh_account()
self.assertEqual(self.havven.balanceOf(alice), 0)
start_amt = UNIT * 50
self.havven.endow(MASTER, alice, start_amt)
self.havven.setIssuer(MASTER, alice, True)
self.havven_updatePrice(MASTER, UNIT, block_time() + 1)
self.havven.setIssuanceRatio(MASTER, UNIT)
self.havven.issueNomins(alice, start_amt)
self.assertEqual(self.havven.balanceOf(alice), start_amt)
self.assertEqual(self.nomin.balanceOf(alice), start_amt)
self.assertEqual(self.havven.issuanceCurrentBalanceSum(alice), 0)
start_time = block_time()
fast_forward(delay)
self.havven.recomputeLastAverageBalance(alice, alice)
end_time = block_time()
balance_sum = (end_time - start_time) * start_amt
self.assertEqual(self.havven.issuanceCurrentBalanceSum(alice),
balance_sum)
self.havven.burnNomins(alice, start_amt)
self.assertEqual(self.nomin.balanceOf(alice), 0)
fast_forward(delay)
self.havven.recomputeLastAverageBalance(alice, alice)
self.assertClose(self.havven.issuanceCurrentBalanceSum(alice),
balance_sum)
def test_selfDestruct(self):
owner = self.havven.owner()
notowner = DUMMY
self.assertNotEqual(owner, notowner)
# The contract cannot be self-destructed before the SD has been initiated.
self.assertReverts(self.unproxied_havven.selfDestruct, owner)
tx = self.unproxied_havven.initiateSelfDestruct(owner)
self.assertEventEquals(self.event_map,
tx.logs[0],
"SelfDestructInitiated",
{"selfDestructDelay": self.sd_duration},
location=self.havven_contract.address)
# Neither owners nor non-owners may not self-destruct before the time has elapsed.
self.assertReverts(self.unproxied_havven.selfDestruct, notowner)
self.assertReverts(self.unproxied_havven.selfDestruct, owner)
fast_forward(seconds=self.sd_duration, days=-1)
self.assertReverts(self.unproxied_havven.selfDestruct, notowner)
self.assertReverts(self.unproxied_havven.selfDestruct, owner)
fast_forward(seconds=10, days=1)
# Non-owner should not be able to self-destruct even if the time has elapsed.
self.assertReverts(self.unproxied_havven.selfDestruct, notowner)
address = self.unproxied_havven.contract.address
tx = self.unproxied_havven.selfDestruct(owner)
self.assertEventEquals(self.event_map,
tx.logs[0],
"SelfDestructed", {"beneficiary": owner},
location=self.havven_contract.address)
# Check contract not exist
self.assertEqual(W3.eth.getCode(address), b'\x00')
def test_withdrawHalfFees(self):
self.havven.endow(MASTER, self.escrow.contract.address,
self.havven.totalSupply())
self.escrow.appendVestingEntry(MASTER, MASTER,
block_time() + 100000,
self.havven.totalSupply() // 2)
self.escrow.appendVestingEntry(MASTER, DUMMY,
block_time() + 100000,
self.havven.totalSupply() // 2)
self.havven_updatePrice(self.havven.oracle(), UNIT,
self.havven.currentTime() + 1)
self.havven.setIssuer(MASTER, MASTER, True)
self.havven.issueNomins(MASTER, UNIT)
# generate 1 UNIT of fees
self.havven.setIssuer(MASTER, DUMMY, True)
self.havven.issueNomins(DUMMY, UNIT)
self.nomin.donateToFeePool(DUMMY, UNIT)
fees = self.nomin.feePool()
# Skip a period so we have a full period with no transfers
fast_forward(self.havven.feePeriodDuration() + 100)
self.havven.rolloverFeePeriodIfElapsed(MASTER)
self.havven.recomputeLastAverageBalance(MASTER, MASTER)
# Since escrow contract has most of the global supply, and half of the
# escrowed balance, they should get half of the fees.
self.havven.withdrawFees(MASTER)
self.assertClose(self.nomin.balanceOf(MASTER) - UNIT, fees / 2)
self.havven.withdrawFees(DUMMY)
self.assertClose(self.nomin.balanceOf(DUMMY), fees / 2)
def test_withdrawHalfFees(self):
self.h_endow(MASTER, self.escrow.address,
self.h_totalSupply() - (100 * UNIT))
self.h_endow(MASTER, MASTER, 100 * UNIT)
self.appendVestingEntry(MASTER, MASTER,
block_time() + 100000,
self.h_totalSupply() // 2)
self.appendVestingEntry(MASTER, DUMMY,
block_time() + 100000,
self.h_totalSupply() // 2)
self.make_nomin_velocity()
uncollected = self.n_feePool()
self.assertClose(uncollected, 36 * UNIT)
self.assertEqual(self.feePool(), 0)
# Skip a period so we have a full period with no transfers
target_period = self.h_targetFeePeriodDurationSeconds() + 1000
fast_forward(seconds=target_period)
# Zero value transfer to roll over the fee period
self.h_transfer(MASTER, self.escrow.address, 0)
fast_forward(seconds=target_period)
# Since escrow contract has most of the global supply, and half of the
# escrowed balance, they should get half of the fees.
self.withdrawFees(MASTER)
self.assertClose(self.n_balanceOf(MASTER),
self.n_priceToSpend(18 * UNIT))
def test_event_FeePeriodRollover(self):
fee_period = self.havven.feePeriodDuration()
fast_forward(fee_period + 10)
tx = self.havven.rolloverFeePeriodIfElapsed(MASTER)
time = block_time(tx.blockNumber)
self.assertEventEquals(self.event_map, tx.logs[0], "FeePeriodRollover",
{"timestamp": time}, self.havven_proxy.address)
def test_currentBalanceSum(self):
"""
Testing the value of currentBalanceSum works as intended,
Further testing involving this and fee collection will be done
in scenario testing
"""
fee_period = self.targetFeePeriodDurationSeconds()
delay = int(fee_period / 10)
alice = fresh_account()
self.assertEquals(self.balanceOf(alice), 0)
start_amt = UNIT * 50
self.endow(MASTER, alice, start_amt)
self.assertEquals(self.balanceOf(alice), start_amt)
self.assertEquals(self.currentBalanceSum(alice), 0)
start_time = block_time()
fast_forward(delay)
self.adjustFeeEntitlement(alice, alice, self.balanceOf(alice))
end_time = block_time()
balance_sum = (end_time - start_time) * start_amt
self.assertEquals(self.currentBalanceSum(alice), balance_sum)
self.transfer(alice, self.havven_real.address, start_amt)
self.assertEquals(self.balanceOf(alice), 0)
fast_forward(delay)
self.adjustFeeEntitlement(alice, alice, self.balanceOf(alice))
self.assertClose(self.currentBalanceSum(alice), balance_sum)
def test_voteFor(self):
owner = self.owner()
accounts = fresh_accounts(4)
voter = accounts[0]
no_tokens = accounts[1]
suspects = accounts[2:]
voting_period = self.votingPeriod()
fee_period = self.havvenTargetFeePeriodDurationSeconds()
# Give some havven tokens to our voter.
self.havvenEndow(owner, voter, 1000)
self.assertEqual(self.havvenBalance(voter), 1000)
# Cannot vote unless there is a confiscation motion.
self.assertReverts(self.voteFor, voter, suspects[0])
# Fast forward to update the voter's weight.
fast_forward(fee_period + 1)
self.havvenCheckFeePeriodRollover(DUMMY)
fast_forward(fee_period + 1)
self.havvenCheckFeePeriodRollover(DUMMY)
self.havvenAdjustFeeEntitlement(voter, voter,
self.havvenBalance(voter))
# Begin a confiscation motion against the suspect.
self.beginConfiscationMotion(owner, suspects[0])
self.assertTrue(self.voting(suspects[0]))
# Cast a vote in favour of confiscation.
tx_receipt = self.voteFor(voter, suspects[0])
# Check that event is emitted properly.
self.assertEqual(
get_event_data_from_log(self.court_event_dict,
tx_receipt.logs[0])['event'], "VoteFor")
self.assertEqual(self.votesFor(suspects[0]), 1000)
# Our voter should not be able to vote in more than one motion at a time.
self.beginConfiscationMotion(owner, suspects[1])
self.assertReverts(self.voteFor, voter, suspects[1])
# It should not be possible to vote without any tokens.
self.assertReverts(self.voteFor, no_tokens, suspects[0])
def test_transferRollsOver(self):
alice = fresh_account()
self.endow(MASTER, alice, 50 * UNIT)
fast_forward(seconds=self.targetFeePeriodDurationSeconds() + 100)
tx_receipt = self.transfer(alice, MASTER, 25 * UNIT)
event = get_event_data_from_log(self.havven_event_dict,
tx_receipt.logs[0])
self.assertEqual(event['event'], 'FeePeriodRollover')
def test_withdraw_multiple_periods(self):
alice = fresh_account()
self.havven.withdrawFees(alice)
fast_forward(self.havven.feePeriodDuration() * 2)
self.havven.rolloverFeePeriodIfElapsed(DUMMY)
self.havven.withdrawFees(alice)
fast_forward(self.havven.feePeriodDuration() * 2)
self.havven.rolloverFeePeriodIfElapsed(DUMMY)
def test_withdraw_multiple_periods(self):
alice = fresh_account()
self.withdrawFeeEntitlement(alice)
fast_forward(self.targetFeePeriodDurationSeconds() * 2)
self.rolloverFeePeriod(DUMMY)
self.withdrawFeeEntitlement(alice)
fast_forward(self.targetFeePeriodDurationSeconds() * 2)
self.rolloverFeePeriod(DUMMY)
def test_votePasses(self):
owner = self.owner()
accounts = fresh_accounts(11)
suspect = accounts[0]
voters = accounts[1:]
required_participation = self.requiredParticipation()
required_majority = self.requiredMajority()
fee_period = self.havvenTargetFeePeriodDurationSeconds()
tokens = self.havvenSupply() // 20
# Give 1/20th of the token supply to each of our 10 voters. In total 50% of tokens distributed.
for voter in voters:
self.havvenEndow(owner, voter, tokens)
self.assertEqual(self.havvenBalance(voter), tokens)
# Fast forward to update the vote weights.
fast_forward(fee_period + 1)
self.havvenCheckFeePeriodRollover(DUMMY)
fast_forward(fee_period + 1)
self.havvenCheckFeePeriodRollover(DUMMY)
# Begin a confiscation motion against the suspect.
self.beginConfiscationMotion(owner, suspect)
self.assertFalse(self.votePasses(suspect))
# 100% in favour and 0% against (50% participation).
for voter in voters:
self.havvenAdjustFeeEntitlement(voter, voter,
self.havvenBalance(voter))
self.voteFor(voter, suspect)
self.assertTrue(self.votePasses(suspect))
self.assertEqual(self.votesFor(suspect), self.havvenSupply() // 2)
# All cancel votes.
for voter in voters:
self.cancelVote(voter, suspect)
self.assertFalse(self.votePasses(suspect))
self.assertEqual(self.votesFor(suspect), 0)
# 100% against and 0% in favour (50% participation).
for voter in voters:
self.voteAgainst(voter, suspect)
self.assertFalse(self.votePasses(suspect))
self.assertEqual(self.votesAgainst(suspect), self.havvenSupply() // 2)
# All cancel votes.
for voter in voters:
self.cancelVote(voter, suspect)
self.assertEqual(self.votesAgainst(suspect), 0)
# 60% in favour and 0% against (30% participation)
for voter in voters[:6]:
self.voteFor(voter, suspect)
# Required participation must be > than 30%.
self.assertFalse(self.votePasses(suspect))
# But if another user votes in favour, participation = 35% which is sufficient for a vote to pass.
self.voteFor(voters[7], suspect)
self.assertTrue(self.votePasses(suspect))
# The last 3 vote against, 70% in favour and 30% against (required majority is 2/3).
for voter in voters[8:]:
self.voteAgainst(voter, suspect)
self.assertTrue(self.votePasses(suspect))
# If one changes their vote for to against, should not pass since 60% in favour 40% against (less than the min required majority of 2/3).
self.cancelVote(voters[7], suspect)
self.voteAgainst(voters[7], suspect)
self.assertFalse(self.votePasses(suspect))
def test_addRegularVestingSchedule(self):
alice, bob, carol, tim, pim = fresh_accounts(5)
self.h_endow(MASTER, self.escrow.address, 100 * UNIT)
time = block_time()
self.addRegularVestingSchedule(MASTER, alice,
time + to_seconds(weeks=52), 100 * UNIT,
4)
self.assertEqual(self.numVestingEntries(alice), 4)
self.vest(alice)
self.assertEqual(self.h_balanceOf(alice), 0)
fast_forward(to_seconds(weeks=13) + 10)
self.vest(alice)
self.assertEqual(self.h_balanceOf(alice), 25 * UNIT)
fast_forward(to_seconds(weeks=13) + 10)
self.vest(alice)
self.assertEqual(self.h_balanceOf(alice), 50 * UNIT)
fast_forward(to_seconds(weeks=13) + 10)
self.vest(alice)
self.assertEqual(self.h_balanceOf(alice), 75 * UNIT)
fast_forward(to_seconds(weeks=13) + 10)
self.vest(alice)
self.assertEqual(self.h_balanceOf(alice), 100 * UNIT)
fast_forward(to_seconds(weeks=13) + 10)
self.vest(alice)
self.assertEqual(self.h_balanceOf(alice), 100 * UNIT)
time = block_time() + 10000000
bob_periods = 7
self.addRegularVestingSchedule(MASTER, bob, time, UNIT, 7)
q = sum(self.getVestingQuantity(bob, i) for i in range(bob_periods))
self.assertEqual(q, UNIT)
self.assertEqual(self.getVestingTime(bob, bob_periods - 1), time, UNIT)
self.assertReverts(self.addRegularVestingSchedule, MASTER, carol,
block_time() - 1, UNIT, 5)
self.assertReverts(self.addRegularVestingSchedule, MASTER, carol, 0,
UNIT, 5)
self.assertReverts(self.addRegularVestingSchedule, MASTER, carol,
block_time() + 100000, UNIT, 0)
time = block_time() + 10000
self.appendVestingEntry(MASTER, tim, time, UNIT)
self.addRegularVestingSchedule(MASTER, pim, time, UNIT, 1)
self.assertEqual(self.numVestingEntries(tim),
self.numVestingEntries(pim))
self.assertEqual(self.getVestingTime(tim, 0),
self.getVestingTime(pim, 0))
self.assertEqual(self.getVestingQuantity(tim, 0),
self.getVestingQuantity(pim, 0))
def rollover_and_validate(self, duration=None):
time = duration if duration is not None else self.havven.feePeriodDuration(
) + 1
fast_forward(time)
tx = self.havven.rolloverFeePeriodIfElapsed(DUMMY)
rollover_time = block_time(tx.blockNumber)
self.assertEventEquals(self.event_map, tx.logs[0], "FeePeriodRollover",
{"timestamp": rollover_time},
self.havven_proxy.address)
def test_endow_currentBalanceSum(self):
amount = 50 * UNIT
# Force updates.
self.endow(MASTER, self.havven_real.address, 0)
havven_balanceSum = self.currentBalanceSum(self.havven_real.address)
alice = fresh_account()
fast_forward(seconds=60)
self.endow(MASTER, alice, amount)
self.assertGreater(self.currentBalanceSum(self.havven_real.address),
havven_balanceSum)
def test_event_SelfDestructed(self):
owner = self.sd.owner()
beneficiary = self.sd.selfDestructBeneficiary()
self.sd.initiateSelfDestruct(owner)
fast_forward(self.sd_duration + 1)
tx = self.sd.selfDestruct(owner)
self.assertEventEquals(self.event_map,
tx.logs[0],
"SelfDestructed", {"beneficiary": beneficiary},
location=self.sd_contract.address)
def setUpClass(cls):
cls.havven_proxy, cls.proxied_havven, cls.nomin_proxy, cls.proxied_nomin, cls.havven_contract, cls.nomin_contract = cls.deployContracts(
)
cls.event_map = cls.event_maps['Havven']
cls.havven = PublicHavvenInterface(cls.proxied_havven, "Havven")
cls.nomin = PublicNominInterface(cls.proxied_nomin, "Nomin")
fast_forward(weeks=102)
def test_lastAverageBalance(self):
# set the block time to be at least 30seconds away from the end of the fee_period
fee_period = self.havven.feePeriodDuration()
# fast forward next block with some extra padding
delay = fee_period + 1
fast_forward(delay)
self.havven.rolloverFeePeriodIfElapsed(DUMMY)
alice = fresh_account()
self.assertEqual(self.havven.balanceOf(alice), 0)
start_amt = UNIT * 50
self.havven.endow(MASTER, alice, start_amt)
self.havven.setIssuer(MASTER, alice, True)
self.havven_updatePrice(MASTER, UNIT, block_time() + 1)
self.havven.setIssuanceRatio(MASTER, UNIT)
tx_receipt = self.havven.issueNomins(alice, start_amt)
self.assertEqual(self.havven.balanceOf(alice), start_amt)
self.assertEqual(self.havven.issuanceCurrentBalanceSum(alice), 0)
self.assertEqual(self.havven.issuanceLastAverageBalance(alice), 0)
self.assertEqual(self.havven.issuanceLastModified(alice),
block_time(tx_receipt['blockNumber']))
fast_forward(delay)
self.havven.rolloverFeePeriodIfElapsed(DUMMY)
fast_forward(fee_period // 2)
tx_receipt = self.havven.recomputeLastAverageBalance(alice, alice)
block_number = tx_receipt['blockNumber']
duration_since_rollover = block_time(
block_number) - self.havven.feePeriodStartTime()
balance_sum = duration_since_rollover * start_amt
actual = self.havven.issuanceCurrentBalanceSum(alice)
expected = balance_sum
self.assertClose(actual, expected)
time_remaining = self.havven.feePeriodDuration(
) + self.havven.feePeriodStartTime() - block_time()
fast_forward(time_remaining - 5)
self.havven.burnNomins(alice, start_amt // 2)
time_remaining = self.havven.feePeriodDuration(
) + self.havven.feePeriodStartTime() - block_time()
fast_forward(time_remaining + 10)
self.havven.rolloverFeePeriodIfElapsed(alice)
self.havven.recomputeLastAverageBalance(alice, alice)
actual = self.havven.issuanceLastAverageBalance(alice)
expected = (start_amt *
delay) // (self.havven.feePeriodStartTime() -
self.havven.lastFeePeriodStartTime())
self.assertClose(actual, expected)
def test_transferFromRollsOver(self):
alice = fresh_account()
self.havven.endow(MASTER, alice, 50 * UNIT)
self.havven.approve(alice, MASTER, 25 * UNIT)
fast_forward(seconds=self.havven.feePeriodDuration() + 100)
self.havven.transferFrom(MASTER, alice, MASTER, 25 * UNIT)
tx_receipt = self.havven.rolloverFeePeriodIfElapsed(MASTER)
event = get_event_data_from_log(self.havven_event_dict,
tx_receipt.logs[0])
self.assertEqual(event['event'], 'FeePeriodRollover')
def setUpClass(cls):
cls.initial_price = UNIT // 2
cls.havven_proxy, cls.proxied_havven, cls.nomin_proxy, cls.proxied_nomin, cls.havven_contract, cls.nomin_contract, cls.escrow_contract = cls.deployContracts(
)
cls.havven = PublicHavvenInterface(cls.proxied_havven, "Havven")
cls.nomin = PublicNominInterface(cls.proxied_nomin, "Nomin")
cls.escrow = PublicHavvenEscrowInterface(cls.escrow_contract,
"HavvenEscrow")
cls.havven.setIssuanceRatio(MASTER, UNIT // 20)
fast_forward(weeks=102)
def test_appendVestingEntry(self):
alice, bob = fresh_accounts(2)
escrow_balance = 20 * UNIT
amount = 10
self.havven.endow(MASTER, self.escrow.contract.address, escrow_balance)
time = block_time()
# Should not be able to add a vestingEntry > havven.totalSupply()
self.assertReverts(self.escrow.appendVestingEntry, MASTER, alice,
time + to_seconds(weeks=2),
self.havven.totalSupply() + 1)
# Should not be able to add a vestingEntry > balanceOf escrow account
self.assertReverts(self.escrow.appendVestingEntry, MASTER, alice,
time + to_seconds(weeks=2), escrow_balance + 1)
# Should not be able to vest in the past
self.assertReverts(self.escrow.appendVestingEntry, MASTER, alice, 0,
UNIT)
self.assertReverts(self.escrow.appendVestingEntry, MASTER, alice,
time - 1, UNIT)
self.assertReverts(self.escrow.appendVestingEntry, MASTER, alice, time,
UNIT)
# Vesting quantities should be nonzero
self.assertReverts(self.escrow.appendVestingEntry, MASTER, alice,
time + to_seconds(weeks=2), 0)
self.escrow.appendVestingEntry(MASTER, alice,
time + to_seconds(weeks=2), amount)
self.escrow.vest(alice)
self.assertEqual(self.havven.balanceOf(alice), 0)
fast_forward(weeks=3)
self.escrow.vest(alice)
self.assertEqual(self.havven.balanceOf(alice), amount)
self.havven.transfer(alice, MASTER, amount)
time = block_time()
t1 = time + to_seconds(weeks=1)
t2 = time + to_seconds(weeks=2)
self.escrow.appendVestingEntry(MASTER, alice, t1, amount)
self.assertReverts(self.escrow.appendVestingEntry, MASTER, alice,
time + to_seconds(days=1), amount)
self.assertReverts(self.escrow.appendVestingEntry, MASTER, alice,
time + to_seconds(weeks=1), amount)
self.escrow.appendVestingEntry(MASTER, alice, t2, amount + 1)
self.assertEqual(self.escrow.getVestingQuantity(alice, 1), amount)
self.assertEqual(self.escrow.getVestingQuantity(alice, 2), amount + 1)
self.assertEqual(self.escrow.getVestingTime(alice, 1), t1)
self.assertEqual(self.escrow.getVestingTime(alice, 2), t2)
self.assertEqual(self.escrow.numVestingEntries(alice), 3)
def setUp(self):
self.snapshot = take_snapshot()
time_remaining = self.h_targetFeePeriodDurationSeconds(
) + self.h_feePeriodStartTime() - block_time()
fast_forward(time_remaining + 1)
self.h_recomputeLastAverageBalance(MASTER)
# Reset the price at the start of tests so that it's never stale.
self.n_updatePrice(self.n_oracle(), self.n_etherPrice())
# Reset the liquidation timestamp so that it's never active.
owner = self.n_owner()
self.n_forceLiquidation(owner)
self.n_terminateLiquidation(owner)
def test_lastAverageBalance(self):
# set the block time to be at least 30seconds away from the end of the fee_period
fee_period = self.targetFeePeriodDurationSeconds()
time_remaining = self.targetFeePeriodDurationSeconds(
) + self.feePeriodStartTime() - block_time()
if time_remaining < 30:
fast_forward(50)
time_remaining = self.targetFeePeriodDurationSeconds(
) + self.feePeriodStartTime() - block_time()
# fast forward next block with some extra padding
delay = time_remaining + 100
alice = fresh_account()
self.assertEquals(self.balanceOf(alice), 0)
start_amt = UNIT * 50
tx_receipt = self.endow(MASTER, alice, start_amt)
self.assertEquals(self.balanceOf(alice), start_amt)
self.assertEquals(self.currentBalanceSum(alice), 0)
self.assertEquals(self.lastAverageBalance(alice), 0)
self.assertEquals(self.lastTransferTimestamp(alice),
block_time(tx_receipt['blockNumber']))
fast_forward(delay)
self._checkFeePeriodRollover(DUMMY)
fast_forward(fee_period // 2)
tx_receipt = self.adjustFeeEntitlement(alice, alice,
self.balanceOf(alice))
block_number = tx_receipt['blockNumber']
duration_since_rollover = block_time(
block_number) - self.feePeriodStartTime()
balance_sum = duration_since_rollover * start_amt
actual = self.currentBalanceSum(alice)
expected = balance_sum
self.assertClose(actual, expected)
time_remaining = self.targetFeePeriodDurationSeconds(
) + self.feePeriodStartTime() - block_time()
fast_forward(time_remaining - 5)
self.transfer(alice, MASTER, start_amt // 2)
time_remaining = self.targetFeePeriodDurationSeconds(
) + self.feePeriodStartTime() - block_time()
fast_forward(time_remaining + 10)
actual = self.lastAverageBalance(alice)
expected = (start_amt * delay) // (self.feePeriodStartTime() -
self.lastFeePeriodStartTime())
self.assertClose(actual, expected)
