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features_test.py
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features_test.py
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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_5 = MythrilDisassembler._init_solc_binary("v0.5.0")
solc_binary_8 = MythrilDisassembler._init_solc_binary("v0.8.0")
solc_binary_82 = MythrilDisassembler._init_solc_binary("v0.8.20")
test_cases = [
("suicide.sol", 1, "kill", "contains_selfdestruct", True, solc_binary_5),
(
"SimpleModifier.sol",
1,
"withdrawfunds",
"all_require_vars",
set(["msg", "owner"]),
solc_binary_5,
),
(
"SimpleModifier.sol",
1,
"withdrawfunds",
"transfer_vars",
set(["owner"]),
solc_binary_5,
),
("rubixi.sol", 18, "init", "contains_selfdestruct", False, solc_binary_5),
("rubixi.sol", 18, "collectAllFees", "has_owner_modifier", True, solc_binary_5),
("rubixi.sol", 18, "collectAllFees", "is_payable", False, solc_binary_5),
(
"rubixi.sol",
18,
"collectAllFees",
"all_require_vars",
set(["collectedFees", "creator"]),
solc_binary_5,
),
(
"rubixi.sol",
18,
"collectPercentOfFees",
"all_require_vars",
set(["collectedFees", "_pcent", "creator"]),
solc_binary_5,
),
(
"rubixi.sol",
18,
"changeMultiplier",
"all_require_vars",
set(["_mult", "creator"]),
solc_binary_5,
),
("rubixi.sol", 18, "", "is_payable", True, solc_binary_5),
(
"rubixi.sol",
18,
"collectAllFees",
"transfer_vars",
set(["creator"]),
solc_binary_5,
),
("exceptions.sol", 8, "assert3", "contains_assert", True, solc_binary_5),
(
"exceptions.sol",
8,
"requireisfine",
"all_require_vars",
set(["input"]),
solc_binary_5,
),
("WalletLibrary.sol", 23, "execute", "has_owner_modifier", True, solc_binary_5),
("WalletLibrary.sol", 23, "initWallet", "has_owner_modifier", False, solc_binary_5),
(
"WalletLibrary.sol",
23,
"initWallet",
"all_require_vars",
set(["m_numOwners"]),
solc_binary_5,
),
(
"WalletLibrary.sol",
23,
"confirm",
"all_require_vars",
set(["success"]),
solc_binary_5,
),
("kcalls.sol", 3, "callSetN", "contains_call", True, solc_binary_5),
("kcalls.sol", 3, "delegatecallSetN", "contains_delegatecall", True, solc_binary_5),
("kcalls.sol", 3, "callcodeSetN", "contains_staticcall", True, solc_binary_5),
(
"regression_1.sol",
5,
"transfer",
"all_require_vars",
set(["userBalances", "msg", "_to", "_amount"]),
solc_binary_8,
),
("SecureVault.sol", 11, "withdraw", "has_owner_modifier", True, solc_binary_82),
("SecureVault.sol", 11, "deposit", "has_owner_modifier", False, solc_binary_82),
(
"SecureVault.sol",
11,
"withdraw",
"all_require_vars",
set(["amount", "this"]),
solc_binary_82,
),
]
@pytest.mark.parametrize(
"file_name, num_funcs, func_name, field, expected_value, solc_binary", test_cases
)
def test_features(file_name, num_funcs, func_name, field, expected_value, solc_binary):
input_file = TEST_FILES / file_name
name = file_name.split(".")[0]
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