mythril/tests/solidity_contract_test.py

from pathlib import Path

from mythril.mythril import MythrilDisassembler
from mythril.solidity.soliditycontract import SolidityContract
from tests import BaseTestCase

TEST_FILES = Path(__file__).parent / "testdata/input_contracts"


class SolidityContractTest(BaseTestCase):
    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=MythrilDisassembler._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_get_source_info_with_contract_name_specified(self):
        input_file = TEST_FILES / "multi_contracts.sol"
        contract = SolidityContract(
            str(input_file),
            name="Transfer1",
            solc_binary=MythrilDisassembler._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 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=MythrilDisassembler._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)")