def test_logging(self):
# test a callback to log an event
self.hydra.HYDRA_INIT(self.external.address, self.hydra.address)
kall(self.t, self.s, self.ct, self.hydra.address, "log_event")
t = bytes_to_int(utils.sha3("LogCallBack1(uint256,uint256)"))
self.check_logs([t], int_to_bytes(1) + int_to_bytes(2))
def test_all(self):
self.assertEqual(self.c.totalSupply(), 0, "Token not initially empty")
orig_balance0 = self.s.head_state.get_balance(self.t.a0)
orig_balance1 = self.s.head_state.get_balance(self.t.a1)
self.c.deposit(sender=self.t.k0, value=1000)
self.check_logs([log_sigs['Transfer'], 0,
bytes_to_int(self.t.a0)], int_to_bytes(1000))
new_balance0 = self.s.head_state.get_balance(self.t.a0)
self.assertEqual(self.c.totalSupply(), 1000, "Deposit not working")
self.assertEqual(self.c.get_balanceOf(self.t.a0), 1000,
"Deposit not working")
self.assertEqual(new_balance0, orig_balance0 - 1000,
"Deposit did not use funds")
self.assertEqual(self.c.get_balanceOf(self.t.a1), 0,
"Account balance not empty initially")
# If this fails, transfer worked although funds were insufficient
self.assert_tx_failed(
lambda: self.c.transfer(self.t.a1, 2000, sender=self.t.k0))
self.assertTrue(self.c.transfer(self.t.a1, 500, sender=self.t.k0),
"Transfer not working")
self.check_logs([
log_sigs['Transfer'],
bytes_to_int(self.t.a0),
bytes_to_int(self.t.a1)
], int_to_bytes(500))
self.assertEqual(self.c.totalSupply(), 1000,
"Transfer changed balance")
self.assertEqual(self.c.get_balanceOf(self.t.a0), 500,
"Transfer did not remove funds")
self.assertEqual(self.c.get_balanceOf(self.t.a1), 500,
"Transfer did not add funds")
self.assertTrue(self.c.approve(self.t.a0, 200, sender=self.t.k1),
"Approval did not work")
self.check_logs([
log_sigs['Approval'],
bytes_to_int(self.t.a1),
bytes_to_int(self.t.a0)
], int_to_bytes(200))
# If this fails, Transfered larger value than approved
self.assert_tx_failed(lambda: self.c.transferFrom(
self.t.a1, self.t.a0, 201, sender=self.t.k0))
self.assertTrue(
self.c.transferFrom(self.t.a1, self.t.a0, 100, sender=self.t.k0),
"Transfer not approved")
self.check_logs([
log_sigs['Transfer'],
bytes_to_int(self.t.a1),
bytes_to_int(self.t.a0)
], int_to_bytes(100))
self.assertEqual(self.c.totalSupply(), 1000,
"TransferFrom changed balance")
self.assertEqual(self.c.balanceOf(self.t.a0), 600,
"TransferFrom did not add funds")
self.assertEqual(self.c.balanceOf(self.t.a1), 400,
"TransferFrom did not remove funds")
# Check TransferFrom did not reduce allowance
self.assert_tx_failed(lambda: self.c.transferFrom(
self.t.a1, self.t.a0, 101, sender=self.t.k0))
# If failed, withdraw more than balance allowed
self.assert_tx_failed(lambda: self.c.withdraw(601, sender=self.t.k0))
self.assertTrue(self.c.withdraw(500, sender=self.t.k0),
"Withdraw did not work")
self.check_logs([log_sigs['Transfer'],
bytes_to_int(self.t.a0), 0], int_to_bytes(500))
self.assertEqual(self.c.get_balanceOf(self.t.a0), 100,
"Withdraw did not reduce funds")
new_balance0 = self.s.head_state.get_balance(self.t.a0)
self.assertEqual(new_balance0, orig_balance0 - 500,
"Withdraw did not send funds")
self.assertEqual(self.c.totalSupply(), 500,
"Withdraw did not change balance correctly")
self.assertTrue(self.c.withdraw(100, sender=self.t.k0),
"Withdraw did not work")
self.assertTrue(self.c.withdraw(400, sender=self.t.k1),
"Withdraw did not work")
self.assertEqual(self.c.totalSupply(), 0,
"Token not empty after withdraw")
new_balance0 = self.s.head_state.get_balance(self.t.a0)
new_balance1 = self.s.head_state.get_balance(self.t.a1)
self.assertEqual(new_balance0, orig_balance0 - 400,
"Withdraw did not send funds")
self.assertEqual(new_balance1, orig_balance1 + 400,
"Withdraw did not send funds")