def test_interpret_currency(self):
amount = 1260
receiver = BOB_VK
sender = ALICE_VK
contract_tx = self.ordered_tx(
ContractTransactionBuilder.create_currency_tx(sender_sk=ALICE_SK,
receiver_vk=receiver,
amount=amount))
self.interpreter = SenecaInterpreter()
currency_contract = get_contract_exports(
self.interpreter.ex,
self.interpreter.contracts_table,
contract_id='currency')
sender_initial_balance = currency_contract.get_balance(sender)
receiver_initial_balance = currency_contract.get_balance(receiver)
self.interpreter.interpret(contract_tx)
# Assert the contract ran and updated the expected rows
self.assertEqual(currency_contract.get_balance(sender),
sender_initial_balance - amount)
self.assertEqual(currency_contract.get_balance(receiver),
receiver_initial_balance + amount)
# Assert the contract was added to the queue
self.assertEqual(self.interpreter.queue_size, 1)
self.assertEqual(self.interpreter.queue[0], contract_tx.transaction)
def test_flushes_with_update(self):
"""
Tests that calling .flush on an self.interpreter with update_state=True after interpreting several transactions
successfully commits the changes to the database
"""
sender = ALICE_VK
receiver = BOB_VK
self.interpreter = SenecaInterpreter()
dummy_contract = get_contract_exports(self.interpreter.ex,
self.interpreter.contracts_table,
contract_id='dummy')
sender_initial_balance = dummy_contract.get_balance(sender)
contract_tx = self.ordered_tx(
ContractTransactionBuilder.create_dummy_tx(sender_sk=ALICE_SK,
receiver_vk=receiver,
fail=False))
self.interpreter.interpret(contract_tx)
self.assertEqual(dummy_contract.get_balance(sender),
sender_initial_balance + 500)
contract_tx = self.ordered_tx(
ContractTransactionBuilder.create_dummy_tx(sender_sk=ALICE_SK,
receiver_vk=receiver,
fail=False))
self.interpreter.interpret(contract_tx)
self.interpreter.flush(update_state=True)
self.assertEqual(dummy_contract.get_balance(sender),
sender_initial_balance + 1000)
def test_rerun_fail(self):
orig = SenecaInterpreter._run_contract
def mocked_rerun(*args, **kwargs):
if kwargs.get('rerun'):
return None
return orig(*args, **kwargs)
sender = ALICE_VK
receiver = BOB_VK
self.interpreter = SenecaInterpreter()
dummy_contract = get_contract_exports(self.interpreter.ex,
self.interpreter.contracts_table,
contract_id='dummy')
sender_initial_balance = dummy_contract.get_balance(sender)
contract_tx = self.ordered_tx(
ContractTransactionBuilder.create_dummy_tx(sender_sk=ALICE_SK,
receiver_vk=receiver,
fail=False))
self.interpreter.interpret(contract_tx)
contract_tx = self.ordered_tx(
ContractTransactionBuilder.create_dummy_tx(sender_sk=ALICE_SK,
receiver_vk=receiver,
fail=True))
with mock.patch(
'cilantro.protocol.interpreter.SenecaInterpreter._run_contract',
side_effect=mocked_rerun,
autospec=True) as mock_some_method:
with self.assertRaises(Exception) as context:
self.interpreter.interpret(contract_tx)
def test_check_contract_async_shuffled_adhoc_checks(self):
def assertCondition():
self.assertEqual(contracts[0].transaction,
self.interpreter.queue[0])
self.assertEqual(contracts[2].transaction,
self.interpreter.queue[1])
self.assertEqual(contracts[1].transaction,
self.interpreter.queue[2])
self.assertEqual(len(self.interpreter.queue), 3)
self.interpreter.stop()
sender = ALICE_VK
receiver = BOB_VK
now = int(time.time() * 1000)
self.interpreter = SenecaInterpreter()
contracts = [
self.ordered_tx(ContractTransactionBuilder.create_dummy_tx(sender_sk=ALICE_SK, receiver_vk=receiver, fail=False)) \
for i in range(5)
]
contracts[0]._data.utcTimeMs = now - 2000
contracts[1]._data.utcTimeMs = now
contracts[2]._data.utcTimeMs = now - 1000
contracts[3]._data.utcTimeMs = now + 5000
contracts[4]._data.utcTimeMs = now + 6000
for c in contracts:
self.interpreter.interpret(c, async=True)
t = Timer(2.8, assertCondition)
t.start()
def test_run_bad_contract_reverts_to_last_successful_contract_remove_partial(
self):
"""
Tests that running a failing contract reverts any database changes it made before the point of failure
"""
sender = ALICE_VK
receiver = BOB_VK
self.interpreter = SenecaInterpreter()
dummy_contract = get_contract_exports(self.interpreter.ex,
self.interpreter.contracts_table,
contract_id='dummy')
sender_initial_balance = dummy_contract.get_balance(sender)
self.assertEqual(dummy_contract.get_balance(sender),
sender_initial_balance)
contract_tx = self.ordered_tx(
ContractTransactionBuilder.create_dummy_tx(sender_sk=ALICE_SK,
receiver_vk=receiver,
fail=False))
self.interpreter.interpret(contract_tx)
self.assertEqual(dummy_contract.get_balance(sender),
sender_initial_balance + 500)
# NOTE it attempts to update the balance to 123 and add the same user again
# Updating should work and adding already added user
contract_tx = self.ordered_tx(
ContractTransactionBuilder.create_dummy_tx(sender_sk=ALICE_SK,
receiver_vk=receiver,
fail=True))
self.interpreter.interpret(contract_tx)
self.assertEqual(dummy_contract.get_balance(sender),
sender_initial_balance + 500)
def run_contracts_in_interpreter(num_contracts=100):
interpreter = SenecaInterpreter()
# Generate the contracts
log.notice("Generating {} contracts...".format(num_contracts))
contracts = [God.random_contract_tx() for _ in range(num_contracts)]
log.notice("Done generating contracts.")
# Interpret them
count = 0
start = time.time()
log.info("Running contracts...")
for contract in contracts:
interpreter._run_contract(contract)
count += 1
if count % checkpoint_freq == 0:
log.notice("{} contracts run so far.".format(count))
total_time = time.time() - start
cps = num_contracts / total_time
log.important("Ran {} contracts in {} seconds".format(
num_contracts, round(total_time, 4)))
log.important("{} contracts per second.".format(round(cps, 2)))
assert interpreter.queue_size == num_contracts, "Interpreter queue size {} does not match num contracts {}..y tho"\
.format(interpreter.queue_size, num_contracts)
def test_restore_to_beginning(self):
orig = SenecaInterpreter._run_contract
sender = ALICE_VK
receiver = BOB_VK
self.interpreter = SenecaInterpreter()
dummy_contract = get_contract_exports(self.interpreter.ex,
self.interpreter.contracts_table,
contract_id='dummy')
sender_initial_balance = dummy_contract.get_balance(sender)
contract_tx = self.ordered_tx(
ContractTransactionBuilder.create_dummy_tx(sender_sk=ALICE_SK,
receiver_vk=receiver,
fail=True))
self.interpreter.interpret(contract_tx)
def test_run_bad_contract_reverts_to_last_successful_contract(self):
"""
Tests that running a failing contract reverts any database changes it made before the point of failure
"""
receiver = BOB_VK
sender = ALICE_VK
self.interpreter = SenecaInterpreter()
currency_contract = get_contract_exports(
self.interpreter.ex,
self.interpreter.contracts_table,
contract_id='currency')
sender_initial_balance = currency_contract.get_balance(sender)
contract_tx = self.ordered_tx(
ContractTransactionBuilder.create_currency_tx(sender_sk=ALICE_SK,
receiver_vk=receiver,
amount=1000))
self.interpreter.interpret(contract_tx)
self.assertEqual(currency_contract.get_balance(sender),
sender_initial_balance - 1000)
contract_tx = self.ordered_tx(
ContractTransactionBuilder.create_currency_tx(sender_sk=ALICE_SK,
receiver_vk=receiver,
amount=200))
self.interpreter.interpret(contract_tx)
self.assertEqual(currency_contract.get_balance(sender),
sender_initial_balance - 1200)
contract_tx = self.ordered_tx(
ContractTransactionBuilder.create_currency_tx(sender_sk=ALICE_SK,
receiver_vk=receiver,
amount=60))
self.interpreter.interpret(contract_tx)
self.assertEqual(currency_contract.get_balance(sender),
sender_initial_balance - 1260)
contract_tx = self.ordered_tx(
ContractTransactionBuilder.create_currency_tx(sender_sk=ALICE_SK,
receiver_vk=receiver,
amount=3696947))
self.interpreter.interpret(contract_tx)
self.assertEqual(currency_contract.get_balance(sender),
sender_initial_balance - 1260)
def __init__(self, signing_key, witness_list, url, sbb_index):
self.log = get_logger("SubBlockBuilder_{}".format(sb_index))
# Comment out below for more granularity in debugging
# self.log.setLevel(logging.INFO)
#self.log.important("SubBlockBuilder started with url {}".format(url))
# Register signal handler to teardown
signal.signal(signal.SIGTERM, self._signal_teardown)
# need to revisit this when threading strategy is clear
self.loop = asyncio.new_event_loop()
asyncio.set_event_loop(self.loop)
self.signing_key = signing_key
# witness_list should be comma separated list of ip:vk
self.witness_table = self._parse_witness_list(witness_list)
self.url = url
self.sbb_index = sbb_index
self.block_num = (int) sbb_index / 16 # hard code this for now
self.sub_block_num = (int) sb_index % 16
self.num_txs = 0
self.num_sub_blocks = 0
self.tasks = []
#SenecaInterpreter connect with BlockManager (parent process that spawned this one)
self.context = zmq.asyncio.Context()
self.socket = self.context.socket(zmq.PAIR) # For communication with main process
self.socket.connect(self.url)
# do we need this still? or do we move it to a util methods
self.verifying_key = wallet.get_vk(self.signing_key)
skg = SigningKey(seed=bytes.fromhex(sk))
self.vk = skg.verify_key.encode().hex()
self.public_key = self.vk2pk(self.vk)
self.private_key = crypto_sign_ed25519_sk_to_curve25519(skg._signing_key).hex()
priv = PrivateKey(bytes.fromhex(self.private_key))
publ = priv.public_key
self.public_key = public_key = encode(publ._public_key)
self.secret = secret_key = encode(priv._private_key)
self.pending_txs = LinkedHashTable()
self.interpreter = SenecaInterpreter()
self._recently_seen = CappedSet(max_size=DUPE_TABLE_SIZE)
try:
self._subscribe_to_witnesses()
# start event loop and start listening witness sockets as well as mgr
self.run_loop_second_time()
except Exception as e:
err_msg = '\n' + '!' * 64 + '\nSBB terminating with exception:\n' + str(traceback.format_exc())
err_msg += '\n' + '!' * 64 + '\n'
self.log.error(err_msg)
finally:
self._teardown()
def test_check_contract_correct_order(self):
sender = ALICE_VK
receiver = BOB_VK
now = int(time.time() * 1000)
self.interpreter = SenecaInterpreter()
contracts = [
self.ordered_tx(ContractTransactionBuilder.create_dummy_tx(sender_sk=ALICE_SK, receiver_vk=receiver, fail=False)) \
for i in range(5)
]
contracts[0]._data.utcTimeMs = now - 2000
contracts[1]._data.utcTimeMs = now - 1000
contracts[2]._data.utcTimeMs = now
contracts[3]._data.utcTimeMs = now + 1000
contracts[4]._data.utcTimeMs = now + 2000
for c in contracts:
self.interpreter.interpret(c, async=True)
self.assertEqual(contracts,
[heappop(self.interpreter.heap)[1] for i in range(5)])
def test_queue_binary(self):
"""
Tests that queue_binary returns a list of serialized ContractTransactions
"""
sender = ALICE_VK
receiver = BOB_VK
self.interpreter = SenecaInterpreter()
dummy_contract = get_contract_exports(self.interpreter.ex,
self.interpreter.contracts_table,
contract_id='dummy')
contracts = []
for i in range(5):
contract_tx = self.ordered_tx(
ContractTransactionBuilder.create_dummy_tx(
sender_sk=ALICE_SK, receiver_vk=receiver, fail=False))
self.interpreter.interpret(contract_tx)
contracts.append(contract_tx.transaction)
for actual, expected in zip([c.serialize() for c in contracts],
self.interpreter.queue_binary):
self.assertEqual(actual, expected)
def test_interpret_invalid_type(self):
self.interpreter = SenecaInterpreter()
not_a_contract = 'sup bro im a string'
self.assertRaises(AssertionError, self.interpreter.interpret,
not_a_contract)
def test_init(self):
self.interpreter = SenecaInterpreter() # this should not blow up
self.assertTrue(self.interpreter.ex is not None)
self.assertTrue(self.interpreter.contracts_table is not None)
class TestSenecaInterpreter(TestCase):
def setUp(self):
reset_db()
def tearDown(self):
self.interpreter.ex.cur.close()
self.interpreter.ex.conn.close()
def ordered_tx(self, contract):
return OrderingContainer.create(contract, MN_VK)
def test_init(self):
self.interpreter = SenecaInterpreter() # this should not blow up
self.assertTrue(self.interpreter.ex is not None)
self.assertTrue(self.interpreter.contracts_table is not None)
def test_interpret_invalid_type(self):
self.interpreter = SenecaInterpreter()
not_a_contract = 'sup bro im a string'
self.assertRaises(AssertionError, self.interpreter.interpret,
not_a_contract)
def test_interpret_currency(self):
amount = 1260
receiver = BOB_VK
sender = ALICE_VK
contract_tx = self.ordered_tx(
ContractTransactionBuilder.create_currency_tx(sender_sk=ALICE_SK,
receiver_vk=receiver,
amount=amount))
self.interpreter = SenecaInterpreter()
currency_contract = get_contract_exports(
self.interpreter.ex,
self.interpreter.contracts_table,
contract_id='currency')
sender_initial_balance = currency_contract.get_balance(sender)
receiver_initial_balance = currency_contract.get_balance(receiver)
self.interpreter.interpret(contract_tx)
# Assert the contract ran and updated the expected rows
self.assertEqual(currency_contract.get_balance(sender),
sender_initial_balance - amount)
self.assertEqual(currency_contract.get_balance(receiver),
receiver_initial_balance + amount)
# Assert the contract was added to the queue
self.assertEqual(self.interpreter.queue_size, 1)
self.assertEqual(self.interpreter.queue[0], contract_tx.transaction)
def test_run_bad_contract_reverts_to_last_successful_contract(self):
"""
Tests that running a failing contract reverts any database changes it made before the point of failure
"""
receiver = BOB_VK
sender = ALICE_VK
self.interpreter = SenecaInterpreter()
currency_contract = get_contract_exports(
self.interpreter.ex,
self.interpreter.contracts_table,
contract_id='currency')
sender_initial_balance = currency_contract.get_balance(sender)
contract_tx = self.ordered_tx(
ContractTransactionBuilder.create_currency_tx(sender_sk=ALICE_SK,
receiver_vk=receiver,
amount=1000))
self.interpreter.interpret(contract_tx)
self.assertEqual(currency_contract.get_balance(sender),
sender_initial_balance - 1000)
contract_tx = self.ordered_tx(
ContractTransactionBuilder.create_currency_tx(sender_sk=ALICE_SK,
receiver_vk=receiver,
amount=200))
self.interpreter.interpret(contract_tx)
self.assertEqual(currency_contract.get_balance(sender),
sender_initial_balance - 1200)
contract_tx = self.ordered_tx(
ContractTransactionBuilder.create_currency_tx(sender_sk=ALICE_SK,
receiver_vk=receiver,
amount=60))
self.interpreter.interpret(contract_tx)
self.assertEqual(currency_contract.get_balance(sender),
sender_initial_balance - 1260)
contract_tx = self.ordered_tx(
ContractTransactionBuilder.create_currency_tx(sender_sk=ALICE_SK,
receiver_vk=receiver,
amount=3696947))
self.interpreter.interpret(contract_tx)
self.assertEqual(currency_contract.get_balance(sender),
sender_initial_balance - 1260)
def test_run_bad_contract_reverts_to_last_successful_contract_remove_partial(
self):
"""
Tests that running a failing contract reverts any database changes it made before the point of failure
"""
sender = ALICE_VK
receiver = BOB_VK
self.interpreter = SenecaInterpreter()
dummy_contract = get_contract_exports(self.interpreter.ex,
self.interpreter.contracts_table,
contract_id='dummy')
sender_initial_balance = dummy_contract.get_balance(sender)
self.assertEqual(dummy_contract.get_balance(sender),
sender_initial_balance)
contract_tx = self.ordered_tx(
ContractTransactionBuilder.create_dummy_tx(sender_sk=ALICE_SK,
receiver_vk=receiver,
fail=False))
self.interpreter.interpret(contract_tx)
self.assertEqual(dummy_contract.get_balance(sender),
sender_initial_balance + 500)
# NOTE it attempts to update the balance to 123 and add the same user again
# Updating should work and adding already added user
contract_tx = self.ordered_tx(
ContractTransactionBuilder.create_dummy_tx(sender_sk=ALICE_SK,
receiver_vk=receiver,
fail=True))
self.interpreter.interpret(contract_tx)
self.assertEqual(dummy_contract.get_balance(sender),
sender_initial_balance + 500)
def test_flushes_with_update(self):
"""
Tests that calling .flush on an self.interpreter with update_state=True after interpreting several transactions
successfully commits the changes to the database
"""
sender = ALICE_VK
receiver = BOB_VK
self.interpreter = SenecaInterpreter()
dummy_contract = get_contract_exports(self.interpreter.ex,
self.interpreter.contracts_table,
contract_id='dummy')
sender_initial_balance = dummy_contract.get_balance(sender)
contract_tx = self.ordered_tx(
ContractTransactionBuilder.create_dummy_tx(sender_sk=ALICE_SK,
receiver_vk=receiver,
fail=False))
self.interpreter.interpret(contract_tx)
self.assertEqual(dummy_contract.get_balance(sender),
sender_initial_balance + 500)
contract_tx = self.ordered_tx(
ContractTransactionBuilder.create_dummy_tx(sender_sk=ALICE_SK,
receiver_vk=receiver,
fail=False))
self.interpreter.interpret(contract_tx)
self.interpreter.flush(update_state=True)
self.assertEqual(dummy_contract.get_balance(sender),
sender_initial_balance + 1000)
def test_flushes_without_update(self):
"""
Tests that calling .flush on an self.interpreter with update_state=False after interpreting several transactions
successfully rolls back
"""
sender = ALICE_VK
receiver = BOB_VK
self.interpreter = SenecaInterpreter()
dummy_contract = get_contract_exports(self.interpreter.ex,
self.interpreter.contracts_table,
contract_id='dummy')
sender_initial_balance = dummy_contract.get_balance(sender)
contract_tx = self.ordered_tx(
ContractTransactionBuilder.create_dummy_tx(sender_sk=ALICE_SK,
receiver_vk=receiver,
fail=False))
self.interpreter.interpret(contract_tx)
contract_tx = self.ordered_tx(
ContractTransactionBuilder.create_dummy_tx(sender_sk=ALICE_SK,
receiver_vk=receiver,
fail=False))
self.interpreter.interpret(contract_tx)
self.interpreter.flush(update_state=True)
self.assertEqual(dummy_contract.get_balance(sender),
sender_initial_balance + 1000)
contract_tx = self.ordered_tx(
ContractTransactionBuilder.create_dummy_tx(sender_sk=ALICE_SK,
receiver_vk=receiver,
fail=False))
self.interpreter.interpret(contract_tx)
self.assertEqual(dummy_contract.get_balance(sender),
sender_initial_balance + 1500)
self.interpreter.flush(update_state=False)
self.assertEqual(dummy_contract.get_balance(sender),
sender_initial_balance + 1000)
def test_queue_binary(self):
"""
Tests that queue_binary returns a list of serialized ContractTransactions
"""
sender = ALICE_VK
receiver = BOB_VK
self.interpreter = SenecaInterpreter()
dummy_contract = get_contract_exports(self.interpreter.ex,
self.interpreter.contracts_table,
contract_id='dummy')
contracts = []
for i in range(5):
contract_tx = self.ordered_tx(
ContractTransactionBuilder.create_dummy_tx(
sender_sk=ALICE_SK, receiver_vk=receiver, fail=False))
self.interpreter.interpret(contract_tx)
contracts.append(contract_tx.transaction)
for actual, expected in zip([c.serialize() for c in contracts],
self.interpreter.queue_binary):
self.assertEqual(actual, expected)
def test_check_contract_correct_order(self):
sender = ALICE_VK
receiver = BOB_VK
now = int(time.time() * 1000)
self.interpreter = SenecaInterpreter()
contracts = [
self.ordered_tx(ContractTransactionBuilder.create_dummy_tx(sender_sk=ALICE_SK, receiver_vk=receiver, fail=False)) \
for i in range(5)
]
contracts[0]._data.utcTimeMs = now - 2000
contracts[1]._data.utcTimeMs = now - 1000
contracts[2]._data.utcTimeMs = now
contracts[3]._data.utcTimeMs = now + 1000
contracts[4]._data.utcTimeMs = now + 2000
for c in contracts:
self.interpreter.interpret(c, async=True)
self.assertEqual(contracts,
[heappop(self.interpreter.heap)[1] for i in range(5)])
def test_check_contract_correct_order_shuffled(self):
sender = ALICE_VK
receiver = BOB_VK
now = int(time.time() * 1000)
self.interpreter = SenecaInterpreter()
contracts = [
self.ordered_tx(ContractTransactionBuilder.create_dummy_tx(sender_sk=ALICE_SK, receiver_vk=receiver, fail=False)) \
for i in range(5)
]
contracts[0]._data.utcTimeMs = now - 2000
contracts[1]._data.utcTimeMs = now - 1000
contracts[2]._data.utcTimeMs = now + 1000
contracts[3]._data.utcTimeMs = now
contracts[4]._data.utcTimeMs = now - 3000
for c in contracts:
self.interpreter.interpret(c, async=True)
self.assertEqual(contracts[4], heappop(self.interpreter.heap)[1])
self.assertEqual(contracts[0], heappop(self.interpreter.heap)[1])
self.assertEqual(contracts[1], heappop(self.interpreter.heap)[1])
self.assertEqual(contracts[3], heappop(self.interpreter.heap)[1])
self.assertEqual(contracts[2], heappop(self.interpreter.heap)[1])
@async_run_for(3)
def test_check_contract_async_shuffled_adhoc_checks(self):
def assertCondition():
self.assertEqual(contracts[0].transaction,
self.interpreter.queue[0])
self.assertEqual(contracts[2].transaction,
self.interpreter.queue[1])
self.assertEqual(contracts[1].transaction,
self.interpreter.queue[2])
self.assertEqual(len(self.interpreter.queue), 3)
self.interpreter.stop()
sender = ALICE_VK
receiver = BOB_VK
now = int(time.time() * 1000)
self.interpreter = SenecaInterpreter()
contracts = [
self.ordered_tx(ContractTransactionBuilder.create_dummy_tx(sender_sk=ALICE_SK, receiver_vk=receiver, fail=False)) \
for i in range(5)
]
contracts[0]._data.utcTimeMs = now - 2000
contracts[1]._data.utcTimeMs = now
contracts[2]._data.utcTimeMs = now - 1000
contracts[3]._data.utcTimeMs = now + 5000
contracts[4]._data.utcTimeMs = now + 6000
for c in contracts:
self.interpreter.interpret(c, async=True)
t = Timer(2.8, assertCondition)
t.start()
def test_rerun_fail(self):
orig = SenecaInterpreter._run_contract
def mocked_rerun(*args, **kwargs):
if kwargs.get('rerun'):
return None
return orig(*args, **kwargs)
sender = ALICE_VK
receiver = BOB_VK
self.interpreter = SenecaInterpreter()
dummy_contract = get_contract_exports(self.interpreter.ex,
self.interpreter.contracts_table,
contract_id='dummy')
sender_initial_balance = dummy_contract.get_balance(sender)
contract_tx = self.ordered_tx(
ContractTransactionBuilder.create_dummy_tx(sender_sk=ALICE_SK,
receiver_vk=receiver,
fail=False))
self.interpreter.interpret(contract_tx)
contract_tx = self.ordered_tx(
ContractTransactionBuilder.create_dummy_tx(sender_sk=ALICE_SK,
receiver_vk=receiver,
fail=True))
with mock.patch(
'cilantro.protocol.interpreter.SenecaInterpreter._run_contract',
side_effect=mocked_rerun,
autospec=True) as mock_some_method:
with self.assertRaises(Exception) as context:
self.interpreter.interpret(contract_tx)
def test_restore_to_beginning(self):
orig = SenecaInterpreter._run_contract
sender = ALICE_VK
receiver = BOB_VK
self.interpreter = SenecaInterpreter()
dummy_contract = get_contract_exports(self.interpreter.ex,
self.interpreter.contracts_table,
contract_id='dummy')
sender_initial_balance = dummy_contract.get_balance(sender)
contract_tx = self.ordered_tx(
ContractTransactionBuilder.create_dummy_tx(sender_sk=ALICE_SK,
receiver_vk=receiver,
fail=True))
self.interpreter.interpret(contract_tx)
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
# Properties shared among all states (ie via self.parent.some_prop)
self.pending_sigs, self.pending_txs = deque(), deque()
self.interpreter = SenecaInterpreter()
self.current_hash = BlockStorageDriver.get_latest_block_hash()
