mirror of https://github.com/ConsenSys/mythril
blockchainethereumsmart-contractssoliditysecurityprogram-analysissecurity-analysissymbolic-execution
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40 lines
1.3 KiB
40 lines
1.3 KiB
3 years ago
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from mythril.disassembler.disassembly import Disassembly
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from mythril.laser.ethereum.state.environment import Environment
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from mythril.laser.ethereum.state.machine_state import MachineState
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from mythril.laser.ethereum.state.global_state import GlobalState
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from mythril.laser.ethereum.state.world_state import WorldState
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from mythril.laser.ethereum.instructions import Instruction
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from mythril.laser.ethereum.transaction.transaction_models import MessageCallTransaction
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from mythril.laser.smt import symbol_factory
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def test_basefee():
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# Arrange
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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("60606040")
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environment = Environment(
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account,
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None,
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None,
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None,
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None,
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None,
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basefee=symbol_factory.BitVecSym("gasfee", 256),
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)
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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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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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og_state.mstate.stack = []
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instruction = Instruction("basefee", dynamic_loader=None)
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# Act
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new_state = instruction.evaluate(og_state)[0]
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# Assert
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assert new_state.mstate.stack == [symbol_factory.BitVecSym("gasfee", 256)]
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