Security analysis tool for EVM bytecode. Supports smart contracts built for Ethereum, Hedera, Quorum, Vechain, Roostock, Tron and other EVM-compatible blockchains.
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mythril/tests/features_test.py

72 lines
2.7 KiB

import pytest
from pathlib import Path
from mythril.mythril import MythrilDisassembler
from mythril.solidity.features import SolidityFeatureExtractor
from mythril.solidity.soliditycontract import SolidityContract, SolcAST
TEST_FILES = Path(__file__).parent / "testdata/input_contracts"
solc_binary = MythrilDisassembler._init_solc_binary("v0.5.0")
test_cases = [
("suicide.sol", 1, "kill", "contains_selfdestruct", True),
(
"SimpleModifier.sol",
1,
"withdrawfunds",
"all_require_vars",
set(["msg", "owner"]),
),
("SimpleModifier.sol", 1, "withdrawfunds", "transfer_vars", set(["owner"])),
("rubixi.sol", 18, "init", "contains_selfdestruct", False),
("rubixi.sol", 18, "collectAllFees", "has_owner_modifier", True),
("rubixi.sol", 18, "collectAllFees", "is_payable", False),
(
"rubixi.sol",
18,
"collectAllFees",
"all_require_vars",
set(["collectedFees", "creator"]),
),
(
"rubixi.sol",
18,
"collectPercentOfFees",
"all_require_vars",
set(["collectedFees", "_pcent", "creator"]),
),
(
"rubixi.sol",
18,
"changeMultiplier",
"all_require_vars",
set(["_mult", "creator"]),
),
("rubixi.sol", 18, "", "is_payable", True),
("rubixi.sol", 18, "collectAllFees", "transfer_vars", set(["creator"])),
("exceptions.sol", 8, "assert3", "contains_assert", True),
("exceptions.sol", 8, "requireisfine", "all_require_vars", set(["input"])),
("WalletLibrary.sol", 23, "execute", "has_owner_modifier", True),
("WalletLibrary.sol", 23, "initWallet", "has_owner_modifier", False),
("WalletLibrary.sol", 23, "initWallet", "all_require_vars", set(["m_numOwners"])),
("WalletLibrary.sol", 23, "confirm", "all_require_vars", set(["success"])),
("kcalls.sol", 3, "callSetN", "contains_call", True),
("kcalls.sol", 3, "delegatecallSetN", "contains_delegatecall", True),
("kcalls.sol", 3, "callcodeSetN", "contains_staticcall", True),
]
@pytest.mark.parametrize(
"file_name, num_funcs, func_name, field, expected_value", test_cases
)
def test_feature_selfdestruct(file_name, num_funcs, func_name, field, expected_value):
input_file = TEST_FILES / file_name
name = file_name.split(".")[0]
print(name, name.capitalize())
if name[0].islower():
name = name.capitalize()
contract = SolidityContract(str(input_file), name=name, solc_binary=solc_binary)
ms = contract.solc_json["sources"][str(input_file)]["ast"]
sfe = SolidityFeatureExtractor(ms)
fe = sfe.extract_features()
assert len(fe) == num_funcs
assert fe[func_name][field] == expected_value