def test_ether_rises(self):
block = Block(timestamp=self.ts_zero + 30 * 86400 + 1)
block.contract_storage(self.contract.D)[self.contract.I] = 4000
tx = Tx(sender='bob', value=200)
self.run(tx, self.contract, block)
assert len(self.contract.txs) == 2
assert self.contract.txs == [('bob', 623 * 10 ** 18, 0, 0), ('alice', 4377 * 10 ** 18, 0, 0)]
def test_recipient_has_balance(self):
tx = Tx(sender='alice', value=2000, data=['bob'])
block = Block()
block.set_account_balance('bob', 1000)
self.run(tx, self.contract, block)
assert len(self.contract.txs) == 1
assert self.contract.txs == [('alice', 1000, 0, 0)]
def test_ether_drops(self):
block = Block(timestamp=self.ts_zero + 30 * 86400 + 1)
block.contract_storage(self.contract.D)[self.contract.I] = 400
tx = Tx(sender='bob', value=200)
self.run(tx, self.contract, block)
assert len(self.contract.txs) == 1
assert self.contract.txs == [('bob', 5000 * 10 ** 18, 0, 0)]
def test_creation(self):
block = Block(timestamp=self.ts_zero)
block.contract_storage(self.contract.D)[self.contract.I] = 2500
tx = Tx(sender='bob', value=1000 * 10 ** 18)
self.run(tx, self.contract, block)
assert self.contract.storage[1000] == 1
assert self.contract.storage[1001] == 2495000
assert self.contract.storage[1002] == self.ts_zero + 30 * 86400
assert self.contract.storage[1003] == tx.sender
assert len(self.contract.txs) == 0
def test_divorce_approval(self):
tx = Tx(sender=PARTNER_2, value=100, data=[TX_DIVORCE])
block = Block()
block.set_account_balance('myaddress', 1000)
self.run(tx, self.contract, block)
assert self.contract.storage[I_STATE] == S_DIVORCED
assert len(self.contract.txs) == 2
assert self.contract.txs == [(PARTNER_1, 500, 0, 0), (PARTNER_2, 500, 0, 0)]
assert self.stopped == "Divorced"
def test_confirmation_timeout(self):
contract = Escrow()
tx = Tx(sender=CUSTOMER, value=PRICE_ETHER)
block = Block(timestamp=TS)
self.run(tx, contract, block)
tx = Tx(sender=CUSTOMER, value=MIN_FEE)
block = Block(timestamp=TS + CONFIRMATION_TIMEOUT + 1)
self.run(tx, contract, block)
assert contract.storage[I_STATUS] == S_REFUNDED
assert len(contract.txs) == 1
assert contract.txs == [(CUSTOMER, PRICE_ETHER, 0, 0)]
def test_shipped(self):
contract = Escrow()
tx = Tx(sender=CUSTOMER, value=PRICE_ETHER)
block = Block(timestamp=TS)
self.run(tx, contract, block)
tx = Tx(sender=SHIPPER, value=MIN_FEE)
block = Block(timestamp=TS + 1)
self.run(tx, contract, block)
assert contract.storage[I_STATUS] == S_SHIPPED
assert len(contract.txs) == 1
assert contract.txs == [(MERCHANT, PRICE_ETHER, 0, 0)]
def test_cancel_proposal(self, early=0):
tx = Tx(sender=PARTNER_1, value=100, data=[PARTNER_1])
self.run(tx, self.contract, Block(timestamp=(0 if early else 2000)))
if early:
assert self.stopped == "Cant cancel early"
else:
assert self.stopped == "Cancelled"
def test_customer_paid(self):
contract = Escrow()
tx = Tx(sender=CUSTOMER, value=PRICE_ETHER)
block = Block(timestamp=TS)
self.run(tx, contract, block)
assert contract.storage[I_STATUS] == S_CUSTOMER_PAID
assert contract.storage[I_CUSTOMER_ADDRESS] == CUSTOMER
assert contract.storage[I_CUSTOMER_PAID_AMOUNT] == PRICE_ETHER
assert contract.storage[I_CUSTOMER_PAID_TS] == TS
class LockinEscrowRun(Simulation):
contract = LockinEscrow()
block = Block()
total = 0
incentive = 0
paid = 0
def reset(self):
self.contract = LockinEscrow()
self.total = 0
self.incentive = 0
self.paid = 0
def run_tx(self, value=0, sender="", data=[]):
self.run(Tx(value=value, sender=sender, data=data),
self.contract,
self.block,
method_name=inspect.stack()[1][3])
def test_donate(self, value=max(MIN_FEE, random() * TOTAL)):
self.run_tx(sender="anyone", value=value)
assert self.stopped == "Donation"
def test_merchant_under_balance(self):
self.contact = LockinEscrow()
self.run_tx(sender=MERCHANT, value=random() * MIN_BALANCE * 0.9)
self.stopped == "Below funds of operation"
def test_merchant_allow(self):
#Test intended when contract not busy.
assert self.contract.storage[I_CUSTOMER] == 0
self.block.set_account_balance(self.contract.address, MIN_BALANCE)
self.incentive = random_incentive()
self.total = PRICE + self.incentive
self.run_tx(sender=MERCHANT,
value=MIN_BALANCE + MIN_FEE,
data=[C_ALLOW, CUSTOMER, self.total, self.incentive])
assert self.stopped == "Customer allowed"
assert self.contract.storage[I_CUSTOMER] == CUSTOMER
assert self.contract.storage[I_TOTAL] == self.total
assert self.contract.storage[I_INCENTIVE] == self.incentive
assert self.contract.storage[I_PAID] == 0
def test_customer_change_blocked(self):
r_incentive = random_incentive()
self.run_tx(sender=MERCHANT,
value=MIN_BALANCE + MIN_FEE,
data=[C_ALLOW, CUSTOMER, 2 * TOTAL, r_incentive])
assert self.stopped == "Customer change blocked"
assert self.contract.storage[I_TOTAL] == self.total
assert self.contract.storage[I_INCENTIVE] == self.incentive
def test_customer_pay(self):
self.paid = random() * PRICE
self.run_tx(sender=CUSTOMER, value=self.paid + MIN_FEE)
assert self.stopped == "Customer paid(part)"
def test_customer_pay_too_little(self):
self.reset()
self.test_merchant_allow()
self.paid = random() * 0.9 * self.total
self.run_tx(sender=CUSTOMER,
value=self.paid + MIN_FEE,
data=[C_SATISFIED])
assert self.stopped == "Customer didnt pay enough"
assert len(self.contract.txs) == 0
def assert_reset(self):
assert self.contract.storage[I_CUSTOMER] == 0
assert self.contract.storage[I_TOTAL] == 0
assert self.contract.storage[I_INCENTIVE] == 0
assert self.contract.storage[I_PAID] == 0
def assert_happy(self):
assert self.stopped == "Customer paid and happy"
self.assert_reset()
def test_customer_pay_and_happy(self):
self.reset()
self.test_merchant_allow()
self.paid = self.total + 1
self.run_tx(sender=CUSTOMER,
value=self.paid + MIN_FEE,
data=[C_SATISFIED])
assert self.contract.txs[0][0] == MERCHANT
assert self.contract.txs[0][1] == self.paid - self.incentive
assert self.contract.txs[1][0] == CUSTOMER
assert self.contract.txs[1][1] == self.incentive
self.assert_happy()
def test_customer_pay_part(self):
self.assert_reset()
self.test_merchant_allow()
self.paid = self.total + 1
self.run_tx(sender=CUSTOMER, value=self.paid + MIN_FEE)
assert self.stopped == "Customer paid(part)" # (all, actually)
assert self.contract.storage[I_PAID] == self.total + 1
def test_customer_happy(self): # depends on the pay one being run first.
self.paid += 1
self.run_tx(sender=CUSTOMER, value=MIN_FEE + 1, data=[C_SATISFIED])
assert self.contract.txs[0][0] == MERCHANT
assert self.contract.txs[0][1] == self.paid - self.incentive
assert self.contract.txs[1][0] == CUSTOMER
assert self.contract.txs[1][1] == self.incentive
self.assert_happy()
def test_refund(self):
self.test_customer_pay_part()
self.run_tx(sender=MERCHANT, value=MIN_FEE, data=[C_REFUND])
assert self.stopped == "Customer refunded"
assert self.contract.txs[0][0] == CUSTOMER
assert self.contract.txs[0][1] == min(
self.paid * (1 + MIN_BALANCE / self.total),
self.total + MIN_BALANCE)
self.assert_reset()
