def test_endow_contract_sender(self):
amount = 50 * UNIT
alice = fresh_account()
self.assertReverts(self.endow, self.havven_real.address, alice, amount)
self.assertEqual(self.balanceOf(alice), 0)
def test_double_withdraw_fee(self):
alice = fresh_account()
self.withdrawFeeEntitlement(alice)
self.assertReverts(self.withdrawFeeEntitlement, alice)
def test_endow_more_than_supply(self):
amount = self.totalSupply() * 2
alice = fresh_account()
self.assertReverts(self.endow, MASTER, alice, amount)
self.assertEqual(self.balanceOf(alice), 0)
def test_endow_invalid_sender(self):
amount = 50 * UNIT
alice = fresh_account()
self.assertReverts(self.endow, alice, alice, amount)
self.assertEqual(self.balanceOf(alice), 0)
def test_invalidSetEscrow(self):
alice = fresh_account()
self.assertReverts(self.setEscrow, alice, alice)
def test_setEscrow(self):
alice = fresh_account()
self.setEscrow(MASTER, alice)
self.assertEqual(self.get_escrow(), alice)
def test_invalidSetNomin(self):
alice = fresh_account()
self.assertReverts(self.setNomin, alice, alice)
def test_setNomin(self):
alice = fresh_account()
self.setNomin(MASTER, alice)
self.assertEqual(self.get_nomin(), alice)
def test_transferFrom(self):
approver = MASTER
spender, receiver = fresh_accounts(2)
approver_balance = self.token.balanceOf(approver)
spender_balance = self.token.balanceOf(spender)
receiver_balance = self.token.balanceOf(receiver)
value = 10 * UNIT
total_supply = self.token.totalSupply()
# This fails because there has been no approval yet
self.assertReverts(self.token.transferFrom, spender, approver,
receiver, value)
tx_receipt = self.token.approve(approver, spender, 2 * value)
# Check event is emitted properly.
self.assertEqual(
get_event_data_from_log(self.token_event_dict,
tx_receipt.logs[0])['event'], "Approval")
self.assertEqual(self.token.allowance(approver, spender), 2 * value)
self.assertReverts(self.token.transferFrom, spender, approver,
receiver, 2 * value + 1)
tx_receipt = self.token.transferFrom(spender, approver, receiver,
value)
# Check event is emitted properly.
self.assertEqual(
get_event_data_from_log(self.token_event_dict,
tx_receipt.logs[0])['event'], "Transfer")
self.assertEqual(self.token.balanceOf(approver),
approver_balance - value)
self.assertEqual(self.token.balanceOf(spender), spender_balance)
self.assertEqual(self.token.balanceOf(receiver),
receiver_balance + value)
self.assertEqual(self.token.allowance(approver, spender), value)
self.assertEqual(self.token.totalSupply(), total_supply)
# Empty the account
tx_receipt = self.token.transferFrom(spender, approver, receiver,
value)
# Check event is emitted properly.
self.assertEqual(
get_event_data_from_log(self.token_event_dict,
tx_receipt.logs[0])['event'], "Transfer")
approver = fresh_account()
# This account has no tokens
approver_balance = self.token.balanceOf(approver)
self.assertEqual(approver_balance, 0)
self.assertEqual(self.token.allowance(approver, spender), 0)
tx_receipt = self.token.approve(approver, spender, value)
# Check event is emitted properly.
self.assertEqual(
get_event_data_from_log(self.token_event_dict,
tx_receipt.logs[0])['event'], "Approval")
self.assertEqual(self.token.allowance(approver, spender), value)
# This should fail because the approver has no tokens.
self.assertReverts(self.token.transferFrom, spender, approver,
receiver, value)