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/native_test.py

117 lines
4.0 KiB

import json
from mythril.ether.soliditycontract import SolidityContract
from mythril.laser.ethereum.state import GlobalState, MachineState, Account
from mythril.laser.ethereum import svm
from tests import *
SHA256_TEST = [(0, False) for _ in range(6)]
RIPEMD160_TEST = [(0, False) for _ in range(6)]
ECRECOVER_TEST = [(0, False) for _ in range(9)]
IDENTITY_TEST = [(0, False) for _ in range(4)]
SHA256_TEST[0] = (5555555555555555, True) #These are Random numbers to check whether the 'if condition' is entered or not(True means entered)
SHA256_TEST[1] = (323232325445454546, True)
SHA256_TEST[2] = (34756834765834658, False)
SHA256_TEST[3] = (8756476956956795876987, True)
SHA256_TEST[4] = (5763467587689578369, True)
SHA256_TEST[5] = (948365957658767467857, False)
RIPEMD160_TEST[0] = (1242435356364, True)
RIPEMD160_TEST[1] = (6732648654386435, True)
RIPEMD160_TEST[2] = (97457657536546465, False)
RIPEMD160_TEST[3] = (56436346436456546, True)
RIPEMD160_TEST[4] = (999999999999999999993, True)
RIPEMD160_TEST[5] = (1111111111112, False)
ECRECOVER_TEST[0] = (786428768768632537676, True)
ECRECOVER_TEST[1] = (4897983476979346779638, False)
ECRECOVER_TEST[2] = (674837568743979857398564869, True)
ECRECOVER_TEST[3] = (3487683476979311, False)
ECRECOVER_TEST[4] = (853729594875984769847369, True)
ECRECOVER_TEST[5] = (83579382475972439587, False)
ECRECOVER_TEST[6] = (8437589437695876985769, True)
ECRECOVER_TEST[7] = (9486794873598347697596, False)
ECRECOVER_TEST[8] = (346934876983476, True)
IDENTITY_TEST[0] = (87426857369875698, True)
IDENTITY_TEST[1] = (476934798798347, False)
IDENTITY_TEST[2] = (7346948379483769, True)
IDENTITY_TEST[3] = (83269476937987, 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):
success = 0
for i, j in test_list:
if (str(i) in laser_info) == j:
success += 1
else:
print("Failed: "+str(i)+" "+str(j))
assert(success == len(test_list))
class NativeTests(BaseTestCase):
@staticmethod
def runTest():
disassembly = SolidityContract('./tests/native_tests.sol').disassembly
account = Account("0x0000000000000000000000000000000000000000", disassembly)
accounts = {account.address: account}
laser = svm.LaserEVM(accounts, max_depth = 100)
laser.sym_exec(account.address)
laser_info = str(_all_info(laser))
print('\n')
_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')