def test_laser_result(self):
for input_file in TESTDATA_INPUTS_CONTRACTS.iterdir():
if input_file.name in ["weak_random.sol", "environments.sol"]:
continue
output_expected = TESTDATA_OUTPUTS_EXPECTED_LASER_RESULT / (
input_file.name + ".json")
output_current = TESTDATA_OUTPUTS_CURRENT_LASER_RESULT / (
input_file.name + ".json")
disassembly = SolidityContract(
str(input_file),
solc_binary=Mythril._init_solc_binary("0.5.0")).disassembly
account = Account("0x0000000000000000000000000000000000000000",
disassembly)
accounts = {account.address: account}
laser = svm.LaserEVM(accounts, max_depth=22, transaction_count=1)
laser.register_hooks(hook_type="post",
hook_dict=get_detection_module_hooks())
laser.sym_exec(account.address)
laser_info = _all_info(laser)
output_current.write_text(
json.dumps(laser_info, cls=LaserEncoder, indent=4))
if not (output_expected.read_text()
== output_expected.read_text()):
self.found_changed_files(input_file, output_expected,
output_current)
self.assert_and_show_changed_files()
def test_get_source_info_without_name_gets_latest_contract_info(self):
input_file = TEST_FILES / "multi_contracts.sol"
contract = SolidityContract(
str(input_file), solc_binary=Mythril._init_solc_binary("0.5.0"))
code_info = contract.get_source_info(142)
self.assertEqual(code_info.filename, str(input_file))
self.assertEqual(code_info.lineno, 14)
self.assertEqual(code_info.code, "msg.sender.transfer(2 ether)")
def test_sym_exec():
contract = SolidityContract(
str(tests.TESTDATA_INPUTS_CONTRACTS / "calls.sol"),
solc_binary=Mythril._init_solc_binary("0.5.0"),
)
sym = SymExecWrapper(contract,
address=(util.get_indexed_address(0)),
strategy="dfs")
issues = fire_lasers(sym)
assert len(issues) != 0
def test_get_source_info_with_contract_name_specified_constructor(self):
input_file = TEST_FILES / "constructor_assert.sol"
contract = SolidityContract(
str(input_file),
name="AssertFail",
solc_binary=Mythril._init_solc_binary("0.5.0"),
)
code_info = contract.get_source_info(70, constructor=True)
self.assertEqual(code_info.filename, str(input_file))
self.assertEqual(code_info.lineno, 6)
self.assertEqual(code_info.code, "assert(var1 > 0)")
def test_get_source_info_with_contract_name_specified(self):
input_file = TEST_FILES / "multi_contracts.sol"
contract = SolidityContract(
str(input_file),
name="Transfer1",
solc_binary=Mythril._init_solc_binary("0.5.0"),
)
code_info = contract.get_source_info(142)
self.assertEqual(code_info.filename, str(input_file))
self.assertEqual(code_info.lineno, 6)
self.assertEqual(code_info.code, "msg.sender.transfer(1 ether)")
def runTest():
""""""
disassembly = SolidityContract(
"./tests/native_tests.sol", solc_binary=Mythril._init_solc_binary("0.5.0")
).disassembly
account = Account("0x0000000000000000000000000000000000000000", disassembly)
accounts = {account.address: account}
laser = svm.LaserEVM(accounts, max_depth=100, transaction_count=1)
laser.sym_exec(account.address)
laser_info = str(_all_info(laser))
_test_natives(laser_info, SHA256_TEST, "SHA256")
_test_natives(laser_info, RIPEMD160_TEST, "RIPEMD160")
_test_natives(laser_info, ECRECOVER_TEST, "ECRECOVER")
_test_natives(laser_info, IDENTITY_TEST, "IDENTITY")
def test_create():
contract = SolidityContract(
str(tests.TESTDATA_INPUTS_CONTRACTS / "calls.sol"),
solc_binary=Mythril._init_solc_binary("0.5.0"),
)
laser_evm = svm.LaserEVM({})
laser_evm.time = datetime.now()
execute_contract_creation(laser_evm, contract.creation_code)
resulting_final_state = laser_evm.open_states[0]
for address, created_account in resulting_final_state.accounts.items():
created_account_code = created_account.code
actual_code = Disassembly(contract.code)
for i in range(len(created_account_code.instruction_list)):
found_instruction = created_account_code.instruction_list[i]
actual_instruction = actual_code.instruction_list[i]
assert found_instruction["opcode"] == actual_instruction["opcode"]