Exemplo n.º 1
0
def test_cairo_pie_serialize_deserialize():
    program = compile_cairo(
        code=[('%builtins output pedersen range_check ecdsa\nmain:\n[ap] = [ap]\n', '')],
        prime=DEFAULT_PRIME)
    metadata = CairoPieMetadata(
        program=program.stripped(),
        program_segment=SegmentInfo(0, 10),
        execution_segment=SegmentInfo(1, 20),
        ret_fp_segment=SegmentInfo(6, 12),
        ret_pc_segment=SegmentInfo(7, 21),
        builtin_segments={
            'a': SegmentInfo(4, 15),
        },
        extra_segments=[],
    )
    memory = MemoryDict({
        1: 2,
        RelocatableValue(3, 4): RelocatableValue(6, 7),
    })
    additional_data = {'c': ['d', 3]}
    execution_resources = ExecutionResources(
        n_steps=10,
        n_memory_holes=7,
        builtin_instance_counter={
            'output': 6,
            'pedersen': 3,
        }
    )
    cairo_pie = CairoPie(
        metadata=metadata,
        memory=memory,
        additional_data=additional_data,
        execution_resources=execution_resources
    )

    fileobj = io.BytesIO()
    cairo_pie.to_file(fileobj)
    actual_cairo_pie = CairoPie.from_file(fileobj)

    assert cairo_pie == actual_cairo_pie
Exemplo n.º 2
0
def cairo_run(args):
    trace_needed = args.tracer or args.profile_output is not None
    trace_file = args.trace_file
    if trace_file is None and trace_needed:
        # If --tracer or --profile_output is used, use a temporary file as trace_file.
        trace_file = tempfile.NamedTemporaryFile(mode='wb')

    memory_file = args.memory_file
    if memory_file is None and trace_needed:
        # If --tracer or --profile_output is used, use a temporary file as memory_file.
        memory_file = tempfile.NamedTemporaryFile(mode='wb')

    debug_info_file = args.debug_info_file
    if debug_info_file is None and trace_needed:
        # If --tracer or --profile_output is used, use a temporary file as debug_info_file.
        debug_info_file = tempfile.NamedTemporaryFile(mode='w')

    ret_code = 0
    cairo_pie_input = None
    if args.program is not None:
        program: ProgramBase = load_program(args.program)
        initial_memory = MemoryDict()
        steps_input = args.steps
    else:
        assert args.run_from_cairo_pie is not None
        assert args.steps is None and args.min_steps is None, \
            '--steps and --min_steps cannot be specified in --run_from_cairo_pie mode.'
        cairo_pie_input = CairoPie.from_file(args.run_from_cairo_pie)
        try:
            cairo_pie_input.run_validity_checks()
        except Exception as exc:
            # Trim error message in case it's too long.
            msg = str(exc)[:10000]
            raise CairoRunError(
                f'Security check for the CairoPIE input failed: {msg}')
        program = cairo_pie_input.program
        initial_memory = cairo_pie_input.memory
        steps_input = cairo_pie_input.execution_resources.n_steps

    runner = CairoRunner(program=program,
                         layout=args.layout,
                         memory=initial_memory,
                         proof_mode=args.proof_mode)

    runner.initialize_segments()
    end = runner.initialize_main_entrypoint()

    if args.run_from_cairo_pie is not None:
        # Add extra_segments.
        for segment_info in cairo_pie_input.metadata.extra_segments:
            runner.segments.add(size=segment_info.size)
        # Update the builtin runners' additional_data.
        for name, builtin_runner in runner.builtin_runners.items():
            if name in cairo_pie_input.additional_data:
                builtin_runner.extend_additional_data(
                    data=cairo_pie_input.additional_data[name],
                    relocate_callback=lambda x: x,
                    data_is_trusted=not args.secure_run)

    program_input = json.load(args.program_input) if args.program_input else {}
    runner.initialize_vm(hint_locals={'program_input': program_input})

    try:
        if args.no_end:
            assert args.steps is not None, '--steps must be specified when running with --no-end.'
        else:
            additional_steps = 1 if args.proof_mode else 0
            max_steps = steps_input - additional_steps if steps_input is not None else None
            runner.run_until_pc(end, max_steps=max_steps)
            if args.proof_mode:
                # Run one more step to make sure the last pc that was executed (rather than the pc
                # after it) is __end__.
                runner.run_for_steps(1)
            runner.original_steps = runner.vm.current_step

        if args.min_steps:
            runner.run_until_steps(args.min_steps)

        disable_trace_padding = False
        if steps_input is not None:
            runner.run_until_steps(steps_input)
            disable_trace_padding = True

        runner.end_run(disable_trace_padding=disable_trace_padding)
    except (VmException, AssertionError) as exc:
        if args.debug_error:
            print(f'Got an error:\n{exc}')
            ret_code = 1
        else:
            raise exc

    if not args.no_end:
        runner.read_return_values()

    if not args.no_end and args.proof_mode:
        # Finalize important segments by correct size.
        runner.finalize_segments()

    if args.secure_run:
        verify_secure_runner(runner)
        if args.run_from_cairo_pie is not None:
            assert cairo_pie_input is not None
            assert cairo_pie_input == runner.get_cairo_pie(), \
                'The Cairo PIE input is not identical to the resulting Cairo PIE. ' \
                'This may indicate that the Cairo PIE was not generated by cairo_run.'

    if args.cairo_pie_output:
        runner.get_cairo_pie().to_file(args.cairo_pie_output)

    runner.relocate()

    if args.print_memory:
        runner.print_memory(relocated=args.relocate_prints)

    if args.print_output:
        runner.print_output()

    if args.print_info:
        runner.print_info(relocated=args.relocate_prints)
        # Skip builtin usage calculation if the execution stopped before reaching the end symbol.
        # Trying to calculate the builtin usage is likely to raise an exception and prevent the user
        # from opening the tracer.
        if args.proof_mode and not args.no_end:
            runner.print_builtin_usage()

    if trace_file is not None:
        field_bytes = math.ceil(program.prime.bit_length() / 8)
        write_binary_trace(trace_file, runner.relocated_trace)

    if memory_file is not None:
        field_bytes = math.ceil(program.prime.bit_length() / 8)
        write_binary_memory(memory_file, runner.relocated_memory, field_bytes)

    if args.air_public_input is not None:
        rc_min, rc_max = runner.get_perm_range_check_limits()
        write_air_public_input(
            layout=args.layout,
            public_input_file=args.air_public_input,
            memory=runner.relocated_memory,
            public_memory_addresses=runner.segments.
            get_public_memory_addresses(runner.segment_offsets),
            memory_segment_addresses=runner.get_memory_segment_addresses(),
            trace=runner.relocated_trace,
            rc_min=rc_min,
            rc_max=rc_max)

    if args.air_private_input is not None:
        assert args.trace_file is not None, \
            '--trace_file must be set when --air_private_input is set.'
        assert args.memory_file is not None, \
            '--memory_file must be set when --air_private_input is set.'
        json.dump(
            {
                'trace_path': f'{os.path.abspath(trace_file.name)}',
                'memory_path': f'{os.path.abspath(memory_file.name)}',
                **runner.get_air_private_input(),
            },
            args.air_private_input,
            indent=4)
        print(file=args.air_private_input)
        args.air_private_input.flush()

    if debug_info_file is not None:
        json.dump(DebugInfo.Schema().dump(runner.get_relocated_debug_info()),
                  debug_info_file)
        debug_info_file.flush()

    if args.tracer:
        CAIRO_TRACER = 'starkware.cairo.lang.tracer.tracer'
        subprocess.call(
            list(
                filter(None, [
                    sys.executable,
                    '-m',
                    CAIRO_TRACER,
                    f'--program={args.program.name}',
                    f'--trace={trace_file.name}',
                    f'--memory={memory_file.name}',
                    f'--air_public_input={args.air_public_input.name}'
                    if args.air_public_input else None,
                    f'--debug_info={debug_info_file.name}',
                ])))

    if args.profile_output is not None:
        CAIRO_PROFILER = 'starkware.cairo.lang.tracer.profiler'
        subprocess.call(
            list(
                filter(None, [
                    sys.executable,
                    '-m',
                    CAIRO_PROFILER,
                    f'--program={args.program.name}',
                    f'--trace={trace_file.name}',
                    f'--memory={memory_file.name}',
                    f'--air_public_input={args.air_public_input.name}'
                    if args.air_public_input else None,
                    f'--debug_info={debug_info_file.name}',
                    f'--profile_output={args.profile_output}',
                ])))

    return ret_code