mirror of https://github.com/ConsenSys/mythril
blockchainethereumsmart-contractssoliditysecurityprogram-analysissecurity-analysissymbolic-execution
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53 lines
1.9 KiB
53 lines
1.9 KiB
import pytest
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from mythril.disassembler.disassembly import Disassembly
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from mythril.laser.ethereum.instructions import Instruction
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from mythril.laser.ethereum.state.calldata import ConcreteCalldata
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from mythril.laser.ethereum.state.environment import Environment
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from mythril.laser.ethereum.state.global_state import GlobalState
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from mythril.laser.ethereum.state.machine_state import MachineState
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from mythril.laser.ethereum.state.world_state import WorldState
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from mythril.laser.ethereum.time_handler import time_handler
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from mythril.laser.ethereum.transaction.transaction_models import (
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MessageCallTransaction,
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TransactionStartSignal,
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)
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last_state = None
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created_contract_account = None
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def test_create():
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world_state = WorldState()
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account = world_state.create_account(balance=10, address=101)
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account.code = Disassembly("60606060")
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environment = Environment(account, None, None, None, None, None, None)
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og_state = GlobalState(
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world_state, environment, None, MachineState(gas_limit=8000000)
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)
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code_raw = []
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code = "606060606060"
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for i in range(len(code) // 2):
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code_raw.append(int(code[2 * i : 2 * (i + 1)], 16))
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calldata = ConcreteCalldata("1", code_raw)
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environment.calldata = calldata
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og_state.transaction_stack.append(
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(MessageCallTransaction(world_state=WorldState(), gas_limit=8000000), None)
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)
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value = 3
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og_state.mstate.stack = [6, 0, value]
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instruction = Instruction("create", dynamic_loader=None)
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og_state.mstate.memory.extend(100)
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og_state.mstate.memory[0:6] = [96] * 6
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time_handler.start_execution(100)
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# Act + Assert
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with pytest.raises(TransactionStartSignal) as t:
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_ = instruction.evaluate(og_state)[0]
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assert t.value.transaction.call_value == value
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assert t.value.transaction.code.bytecode == code
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assert (
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t.value.transaction.callee_account.address
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== world_state._generate_new_address(account.address.value)
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)
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