from mythril.solidity.soliditycontract import SolidityContract from mythril.mythril import Mythril from mythril.laser.ethereum.state.account import Account from mythril.laser.ethereum.state.machine_state import MachineState from mythril.laser.ethereum.state.global_state import GlobalState from mythril.laser.ethereum import svm from tests import BaseTestCase SHA256_TEST = [(0, False) for _ in range(4)] RIPEMD160_TEST = [(0, False) for _ in range(2)] ECRECOVER_TEST = [(0, False) for _ in range(2)] IDENTITY_TEST = [(0, False) for _ in range(2)] # These are Random numbers to check whether the 'if condition' is entered or not # (True means entered) SHA256_TEST[0] = (hex(5555555555555555), True) SHA256_TEST[1] = (hex(323232325445454546), False) SHA256_TEST[2] = (hex(34756834765834658), True) SHA256_TEST[3] = (hex(8756476956956795876987), False) RIPEMD160_TEST[0] = (hex(999999999999999999993), True) RIPEMD160_TEST[1] = (hex(1111111111112), False) ECRECOVER_TEST[0] = (hex(674837568743979857398564869), True) ECRECOVER_TEST[1] = (hex(3487683476979311), False) IDENTITY_TEST[0] = (hex(87426857369875698), True) IDENTITY_TEST[1] = (hex(476934798798347), False) def _all_info(laser): accounts = {} for address, _account in laser.world_state.accounts.items(): account = _account.as_dict account["code"] = account["code"].instruction_list account["balance"] = str(account["balance"]) accounts[address] = account nodes = {} for uid, node in laser.nodes.items(): states = [] for state in node.states: if isinstance(state, MachineState): states.append(state.as_dict) elif isinstance(state, GlobalState): environment = state.environment.as_dict environment["active_account"] = environment["active_account"].address states.append( { "accounts": state.accounts.keys(), "environment": environment, "mstate": state.mstate.as_dict, } ) nodes[uid] = { "uid": node.uid, "contract_name": node.contract_name, "start_addr": node.start_addr, "states": states, "constraints": node.constraints, "function_name": node.function_name, "flags": str(node.flags), } edges = [edge.as_dict for edge in laser.edges] return { "accounts": accounts, "nodes": nodes, "edges": edges, "total_states": laser.total_states, "max_depth": laser.max_depth, } def _test_natives(laser_info, test_list, test_name): for i, j in test_list: assert (str(i) in laser_info or str(int(i, 16)) in laser_info) == j class NativeTests(BaseTestCase): @staticmethod 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")