2020-08-12 12:48:52 +00:00
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import pytest
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2021-05-07 03:30:45 +00:00
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from copy import deepcopy
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2021-05-18 11:59:26 +00:00
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from eth2spec.phase0 import mainnet as spec_phase0_mainnet, minimal as spec_phase0_minimal
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from eth2spec.altair import mainnet as spec_altair_mainnet, minimal as spec_altair_minimal
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from eth2spec.merge import mainnet as spec_merge_mainnet, minimal as spec_merge_minimal
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2019-05-13 21:15:02 +00:00
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from eth2spec.utils import bls
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2019-05-05 22:31:57 +00:00
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2020-08-12 12:48:52 +00:00
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from .exceptions import SkippedTest
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2021-04-12 14:20:27 +00:00
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from .helpers.constants import (
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2021-05-18 11:59:26 +00:00
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SpecForkName, PresetBaseName,
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PHASE0, ALTAIR, MERGE, MINIMAL, MAINNET,
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2021-05-04 22:18:01 +00:00
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ALL_PHASES, FORKS_BEFORE_ALTAIR, FORKS_BEFORE_MERGE,
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2021-04-12 14:20:27 +00:00
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)
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2019-05-17 18:31:21 +00:00
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from .helpers.genesis import create_genesis_state
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2021-04-28 00:24:15 +00:00
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from .utils import vector_test, with_meta_tags, build_transition_test
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2019-05-06 15:10:43 +00:00
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2020-03-20 19:38:36 +00:00
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from random import Random
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2021-05-18 11:59:26 +00:00
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from typing import Any, Callable, Sequence, TypedDict, Protocol, Dict
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2019-05-31 08:41:39 +00:00
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2020-05-18 23:55:17 +00:00
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from lru import LRU
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2019-11-19 19:16:40 +00:00
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2021-05-18 14:17:02 +00:00
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# Without pytest CLI arg or pyspec-test-generator 'preset' argument, this will be the config to apply.
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DEFAULT_TEST_PRESET = MINIMAL
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2019-10-23 08:33:48 +00:00
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2020-01-05 22:37:05 +00:00
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# TODO: currently phases are defined as python modules.
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# It would be better if they would be more well-defined interfaces for stronger typing.
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2020-04-02 06:54:48 +00:00
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2021-05-18 14:08:30 +00:00
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class Configuration(Protocol):
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PRESET_BASE: str
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2020-04-02 06:54:48 +00:00
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2020-01-05 22:37:05 +00:00
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class Spec(Protocol):
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fork: str
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config: Configuration
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2020-01-05 22:37:05 +00:00
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2020-04-02 06:54:48 +00:00
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class SpecPhase0(Spec):
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2020-01-05 22:37:05 +00:00
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...
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2021-03-15 15:53:13 +00:00
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class SpecAltair(Spec):
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2020-12-15 05:18:20 +00:00
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...
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2020-01-05 22:37:05 +00:00
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2021-04-05 14:59:09 +00:00
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class SpecMerge(Spec):
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...
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2021-05-18 11:59:26 +00:00
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spec_targets: Dict[PresetBaseName, Dict[SpecForkName, Spec]] = {
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MINIMAL: {
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PHASE0: spec_phase0_minimal,
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ALTAIR: spec_altair_minimal,
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MERGE: spec_merge_minimal,
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},
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MAINNET: {
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PHASE0: spec_phase0_mainnet,
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ALTAIR: spec_altair_mainnet,
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MERGE: spec_merge_mainnet,
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},
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}
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2020-01-05 22:37:05 +00:00
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class SpecForks(TypedDict, total=False):
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2020-04-02 06:54:48 +00:00
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PHASE0: SpecPhase0
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ALTAIR: SpecAltair
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2021-04-05 14:59:09 +00:00
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MERGE: SpecMerge
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2020-01-05 22:37:05 +00:00
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2020-05-18 23:55:17 +00:00
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def _prepare_state(balances_fn: Callable[[Any], Sequence[int]], threshold_fn: Callable[[Any], int],
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2021-03-09 23:18:30 +00:00
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spec: Spec, phases: SpecForks):
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2021-04-09 16:53:37 +00:00
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phase = phases[spec.fork]
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balances = balances_fn(phase)
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activation_threshold = threshold_fn(phase)
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state = create_genesis_state(spec=phase, validator_balances=balances,
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2020-05-18 23:55:17 +00:00
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activation_threshold=activation_threshold)
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return state
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_custom_state_cache_dict = LRU(size=10)
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2019-10-23 08:33:48 +00:00
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def with_custom_state(balances_fn: Callable[[Any], Sequence[int]],
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threshold_fn: Callable[[Any], int]):
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def deco(fn):
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2020-05-18 23:55:17 +00:00
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2020-01-05 22:37:05 +00:00
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def entry(*args, spec: Spec, phases: SpecForks, **kw):
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2021-05-18 14:08:30 +00:00
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# make a key for the state, unique to the fork + config (incl preset choice) and balances/activations
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key = (spec.fork, spec.config.__hash__(), spec.__file__, balances_fn, threshold_fn)
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2020-05-18 23:55:17 +00:00
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global _custom_state_cache_dict
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if key not in _custom_state_cache_dict:
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2021-03-09 23:18:30 +00:00
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state = _prepare_state(balances_fn, threshold_fn, spec, phases)
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2020-05-18 23:55:17 +00:00
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_custom_state_cache_dict[key] = state.get_backing()
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2020-05-19 01:42:58 +00:00
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# Take an entry out of the LRU.
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2020-05-18 23:55:17 +00:00
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# No copy is necessary, as we wrap the immutable backing with a new view.
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state = spec.BeaconState(backing=_custom_state_cache_dict[key])
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kw['state'] = state
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2020-01-05 22:37:05 +00:00
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return fn(*args, spec=spec, phases=phases, **kw)
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2019-10-23 08:33:48 +00:00
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return entry
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return deco
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def default_activation_threshold(spec):
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2019-10-24 07:31:43 +00:00
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"""
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Helper method to use the default balance activation threshold for state creation for tests.
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Usage: `@with_custom_state(threshold_fn=default_activation_threshold, ...)`
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"""
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2019-10-23 08:33:48 +00:00
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return spec.MAX_EFFECTIVE_BALANCE
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2020-03-16 17:19:21 +00:00
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def zero_activation_threshold(spec):
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"""
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2020-03-18 15:55:09 +00:00
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Helper method to use 0 gwei as the activation threshold for state creation for tests.
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Usage: `@with_custom_state(threshold_fn=zero_activation_threshold, ...)`
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2020-03-16 17:19:21 +00:00
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"""
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return 0
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2019-10-23 08:33:48 +00:00
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def default_balances(spec):
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2019-10-24 07:31:43 +00:00
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"""
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Helper method to create a series of default balances.
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Usage: `@with_custom_state(balances_fn=default_balances, ...)`
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"""
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2020-02-20 19:34:37 +00:00
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num_validators = spec.SLOTS_PER_EPOCH * 8
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2019-10-23 08:33:48 +00:00
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return [spec.MAX_EFFECTIVE_BALANCE] * num_validators
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with_state = with_custom_state(default_balances, default_activation_threshold)
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def low_balances(spec):
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"""
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2019-10-24 07:31:43 +00:00
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Helper method to create a series of low balances.
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Usage: `@with_custom_state(balances_fn=low_balances, ...)`
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2019-10-23 08:33:48 +00:00
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"""
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num_validators = spec.SLOTS_PER_EPOCH * 8
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# Technically the balances cannot be this low starting from genesis, but it is useful for testing
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low_balance = 18 * 10 ** 9
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return [low_balance] * num_validators
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def misc_balances(spec):
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"""
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Helper method to create a series of balances that includes some misc. balances.
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2019-10-24 07:31:43 +00:00
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Usage: `@with_custom_state(balances_fn=misc_balances, ...)`
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2019-10-23 08:33:48 +00:00
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"""
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num_validators = spec.SLOTS_PER_EPOCH * 8
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2020-03-20 19:38:36 +00:00
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balances = [spec.MAX_EFFECTIVE_BALANCE * 2 * i // num_validators for i in range(num_validators)]
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rng = Random(1234)
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rng.shuffle(balances)
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return balances
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2019-05-06 15:10:43 +00:00
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2021-08-22 16:58:54 +00:00
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def misc_balances_in_default_range_with_many_validators(spec):
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2021-08-21 23:59:54 +00:00
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"""
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Helper method to create a series of balances that includes some misc. balances but
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none that are below the ``EJECTION_BALANCE``.
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"""
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2021-08-22 16:58:54 +00:00
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# Double validators to facilitate randomized testing
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num_validators = spec.SLOTS_PER_EPOCH * 8 * 2
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2021-08-21 23:59:54 +00:00
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floor = spec.config.EJECTION_BALANCE + spec.EFFECTIVE_BALANCE_INCREMENT
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balances = [
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max(spec.MAX_EFFECTIVE_BALANCE * 2 * i // num_validators, floor) for i in range(num_validators)
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]
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rng = Random(1234)
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rng.shuffle(balances)
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return balances
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2020-03-16 17:19:21 +00:00
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def low_single_balance(spec):
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"""
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Helper method to create a single of balance of 1 Gwei.
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Usage: `@with_custom_state(balances_fn=low_single_balance, ...)`
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"""
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return [1]
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2019-05-06 15:10:43 +00:00
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2020-08-05 19:04:13 +00:00
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def large_validator_set(spec):
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"""
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2020-09-17 22:22:21 +00:00
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Helper method to create a large series of default balances.
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2020-08-05 19:04:13 +00:00
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Usage: `@with_custom_state(balances_fn=default_balances, ...)`
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"""
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num_validators = 2 * spec.SLOTS_PER_EPOCH * spec.MAX_COMMITTEES_PER_SLOT * spec.TARGET_COMMITTEE_SIZE
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return [spec.MAX_EFFECTIVE_BALANCE] * num_validators
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2020-01-05 22:37:05 +00:00
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def single_phase(fn):
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"""
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Decorator that filters out the phases data.
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most state tests only focus on behavior of a single phase (the "spec").
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This decorator is applied as part of spec_state_test(fn).
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"""
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def entry(*args, **kw):
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if 'phases' in kw:
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kw.pop('phases')
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2020-01-05 23:06:57 +00:00
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return fn(*args, **kw)
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2020-01-05 22:37:05 +00:00
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return entry
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2020-05-11 17:18:49 +00:00
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# BLS is turned on by default, it can be disabled in tests by overriding this, or using `--disable-bls`.
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# *This is for performance purposes during TESTING, DO NOT DISABLE IN PRODUCTION*.
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2019-05-21 19:51:28 +00:00
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# The runner of the test can indicate the preferred setting (test generators prefer BLS to be ON).
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# - Some tests are marked as BLS-requiring, and ignore this setting.
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# (tests that express differences caused by BLS, e.g. invalid signatures being rejected)
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# - Some other tests are marked as BLS-ignoring, and ignore this setting.
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# (tests that are heavily performance impacted / require unsigned state transitions)
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# - Most tests respect the BLS setting.
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2020-05-11 17:18:49 +00:00
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DEFAULT_BLS_ACTIVE = True
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2019-05-21 19:51:28 +00:00
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2020-08-12 12:48:52 +00:00
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is_pytest = True
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def dump_skipping_message(reason: str) -> None:
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message = f"[Skipped test] {reason}"
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if is_pytest:
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pytest.skip(message)
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else:
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raise SkippedTest(message)
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2019-07-26 21:50:11 +00:00
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def spec_test(fn):
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# Bls switch must be wrapped by vector_test,
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2019-07-26 17:19:36 +00:00
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# to fully go through the yielded bls switch data, before setting back the BLS setting.
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2019-07-26 21:50:11 +00:00
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# A test may apply BLS overrides such as @always_bls,
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# but if it yields data (n.b. @always_bls yields the bls setting), it should be wrapped by this decorator.
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# This is why @alway_bls has its own bls switch, since the override is beyond the reach of the outer switch.
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return vector_test()(bls_switch(fn))
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2019-06-22 04:02:03 +00:00
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2020-01-05 22:37:05 +00:00
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# shorthand for decorating @spectest() @with_state @single_phase
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2019-05-06 15:10:43 +00:00
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def spec_state_test(fn):
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2020-01-05 22:37:05 +00:00
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return spec_test(with_state(single_phase(fn)))
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2019-05-08 15:33:09 +00:00
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2021-05-18 14:08:30 +00:00
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def spec_configured_state_test(conf):
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overrides = with_config_overrides(conf)
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def decorator(fn):
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return spec_test(overrides(with_state(single_phase(fn))))
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return decorator
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2019-05-08 15:33:09 +00:00
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def expect_assertion_error(fn):
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2019-05-11 15:51:02 +00:00
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bad = False
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2019-05-08 15:33:09 +00:00
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try:
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fn()
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2019-05-11 15:51:02 +00:00
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bad = True
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2019-05-08 15:33:09 +00:00
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except AssertionError:
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pass
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2019-05-11 15:01:12 +00:00
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except IndexError:
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# Index errors are special; the spec is not explicit on bound checking, an IndexError is like a failed assert.
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pass
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2019-05-11 15:51:02 +00:00
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if bad:
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raise AssertionError('expected an assertion error, but got none.')
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2019-05-13 21:15:02 +00:00
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2019-05-20 17:38:18 +00:00
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def never_bls(fn):
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"""
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Decorator to apply on ``bls_switch`` decorator to force BLS de-activation. Useful to mark tests as BLS-ignorant.
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2019-07-26 21:50:11 +00:00
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This decorator may only be applied to yielding spec test functions, and should be wrapped by vector_test,
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as the yielding needs to complete before setting back the BLS setting.
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2019-05-20 17:38:18 +00:00
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"""
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def entry(*args, **kw):
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# override bls setting
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kw['bls_active'] = False
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2019-07-26 21:50:11 +00:00
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return bls_switch(fn)(*args, **kw)
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return with_meta_tags({'bls_setting': 2})(entry)
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2019-05-20 17:38:18 +00:00
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2019-05-13 21:15:02 +00:00
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def always_bls(fn):
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"""
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Decorator to apply on ``bls_switch`` decorator to force BLS activation. Useful to mark tests as BLS-dependent.
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2019-07-26 21:50:11 +00:00
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This decorator may only be applied to yielding spec test functions, and should be wrapped by vector_test,
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as the yielding needs to complete before setting back the BLS setting.
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2019-05-13 21:15:02 +00:00
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"""
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def entry(*args, **kw):
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# override bls setting
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kw['bls_active'] = True
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2019-07-26 21:50:11 +00:00
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return bls_switch(fn)(*args, **kw)
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return with_meta_tags({'bls_setting': 1})(entry)
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2019-05-13 21:15:02 +00:00
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def bls_switch(fn):
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"""
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Decorator to make a function execute with BLS ON, or BLS off.
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|
|
|
Based on an optional bool argument ``bls_active``, passed to the function at runtime.
|
2019-07-26 21:50:11 +00:00
|
|
|
This decorator may only be applied to yielding spec test functions, and should be wrapped by vector_test,
|
|
|
|
as the yielding needs to complete before setting back the BLS setting.
|
2019-05-13 21:15:02 +00:00
|
|
|
"""
|
|
|
|
def entry(*args, **kw):
|
|
|
|
old_state = bls.bls_active
|
2019-05-21 19:51:28 +00:00
|
|
|
bls.bls_active = kw.pop('bls_active', DEFAULT_BLS_ACTIVE)
|
2019-10-28 08:35:19 +00:00
|
|
|
res = fn(*args, **kw)
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|
|
|
if res is not None:
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|
yield from res
|
2019-05-13 21:15:02 +00:00
|
|
|
bls.bls_active = old_state
|
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|
return entry
|
2019-05-30 20:57:18 +00:00
|
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|
|
|
2020-09-07 05:34:23 +00:00
|
|
|
def disable_process_reveal_deadlines(fn):
|
|
|
|
"""
|
|
|
|
Decorator to make a function execute with `process_reveal_deadlines` OFF.
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|
This is for testing long-range epochs transition without considering the reveal-deadline slashing effect.
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|
|
|
"""
|
|
|
|
def entry(*args, spec: Spec, **kw):
|
|
|
|
if hasattr(spec, 'process_reveal_deadlines'):
|
|
|
|
old_state = spec.process_reveal_deadlines
|
|
|
|
spec.process_reveal_deadlines = lambda state: None
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|
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|
|
|
yield from fn(*args, spec=spec, **kw)
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|
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|
|
|
|
if hasattr(spec, 'process_reveal_deadlines'):
|
|
|
|
spec.process_reveal_deadlines = old_state
|
|
|
|
|
|
|
|
return with_meta_tags({'reveal_deadlines_setting': 1})(entry)
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|
2019-06-06 21:30:40 +00:00
|
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|
def with_all_phases(fn):
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|
"""
|
2019-08-19 11:05:44 +00:00
|
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|
A decorator for running a test with every phase
|
2019-06-06 21:30:40 +00:00
|
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|
"""
|
2020-04-02 06:54:48 +00:00
|
|
|
return with_phases(ALL_PHASES)(fn)
|
2019-06-06 21:30:40 +00:00
|
|
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|
|
|
|
|
|
|
|
def with_all_phases_except(exclusion_phases):
|
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|
"""
|
|
|
|
A decorator factory for running a tests with every phase except the ones listed
|
|
|
|
"""
|
|
|
|
def decorator(fn):
|
2020-04-02 06:54:48 +00:00
|
|
|
return with_phases([phase for phase in ALL_PHASES if phase not in exclusion_phases])(fn)
|
2019-06-06 21:30:40 +00:00
|
|
|
return decorator
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|
|
|
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|
|
|
2020-01-05 22:37:05 +00:00
|
|
|
def with_phases(phases, other_phases=None):
|
2019-05-30 20:57:18 +00:00
|
|
|
"""
|
2020-01-05 22:37:05 +00:00
|
|
|
Decorator factory that returns a decorator that runs a test for the appropriate phases.
|
|
|
|
Additional phases that do not initially run, but are made available through the test, are optional.
|
2019-05-30 20:57:18 +00:00
|
|
|
"""
|
2019-06-06 14:23:30 +00:00
|
|
|
def decorator(fn):
|
|
|
|
def wrapper(*args, **kw):
|
2019-06-10 23:26:39 +00:00
|
|
|
run_phases = phases
|
|
|
|
|
|
|
|
# limit phases if one explicitly specified
|
|
|
|
if 'phase' in kw:
|
|
|
|
phase = kw.pop('phase')
|
|
|
|
if phase not in phases:
|
2020-08-12 12:48:52 +00:00
|
|
|
dump_skipping_message(f"doesn't support this fork: {phase}")
|
|
|
|
return None
|
2019-06-10 23:26:39 +00:00
|
|
|
run_phases = [phase]
|
|
|
|
|
2021-05-05 13:35:52 +00:00
|
|
|
if PHASE0 not in run_phases and ALTAIR not in run_phases and MERGE not in run_phases:
|
2021-03-26 23:08:50 +00:00
|
|
|
dump_skipping_message("none of the recognized phases are executable, skipping test.")
|
|
|
|
return None
|
|
|
|
|
2020-01-05 22:37:05 +00:00
|
|
|
available_phases = set(run_phases)
|
|
|
|
if other_phases is not None:
|
2021-03-10 19:38:30 +00:00
|
|
|
available_phases |= set(other_phases)
|
2020-01-05 22:37:05 +00:00
|
|
|
|
2021-05-18 14:17:02 +00:00
|
|
|
preset_name = DEFAULT_TEST_PRESET
|
2021-05-18 11:59:26 +00:00
|
|
|
if 'preset' in kw:
|
|
|
|
preset_name = kw.pop('preset')
|
|
|
|
targets = spec_targets[preset_name]
|
|
|
|
|
2021-03-09 00:16:29 +00:00
|
|
|
# Populate all phases for multi-phase tests
|
2020-01-05 22:37:05 +00:00
|
|
|
phase_dir = {}
|
2021-03-10 19:38:30 +00:00
|
|
|
if PHASE0 in available_phases:
|
2021-05-18 11:59:26 +00:00
|
|
|
phase_dir[PHASE0] = targets[PHASE0]
|
2021-03-11 13:22:38 +00:00
|
|
|
if ALTAIR in available_phases:
|
2021-05-18 11:59:26 +00:00
|
|
|
phase_dir[ALTAIR] = targets[ALTAIR]
|
2021-05-05 13:35:52 +00:00
|
|
|
if MERGE in available_phases:
|
2021-05-18 11:59:26 +00:00
|
|
|
phase_dir[MERGE] = targets[MERGE]
|
2021-05-05 13:35:52 +00:00
|
|
|
|
2021-03-26 23:08:50 +00:00
|
|
|
# return is ignored whenever multiple phases are ran.
|
|
|
|
# This return is for test generators to emit python generators (yielding test vector outputs)
|
2020-04-02 06:54:48 +00:00
|
|
|
if PHASE0 in run_phases:
|
2021-05-18 11:59:26 +00:00
|
|
|
ret = fn(spec=targets[PHASE0], phases=phase_dir, *args, **kw)
|
2021-03-11 13:22:38 +00:00
|
|
|
if ALTAIR in run_phases:
|
2021-05-18 11:59:26 +00:00
|
|
|
ret = fn(spec=targets[ALTAIR], phases=phase_dir, *args, **kw)
|
2021-05-05 13:35:52 +00:00
|
|
|
if MERGE in run_phases:
|
2021-05-18 11:59:26 +00:00
|
|
|
ret = fn(spec=targets[MERGE], phases=phase_dir, *args, **kw)
|
2021-03-26 22:21:36 +00:00
|
|
|
|
2021-03-27 00:42:23 +00:00
|
|
|
# TODO: merge, sharding, custody_game and das are not executable yet.
|
2021-03-26 22:21:36 +00:00
|
|
|
# Tests that specify these features will not run, and get ignored for these specific phases.
|
2019-06-11 02:05:43 +00:00
|
|
|
return ret
|
2019-06-06 14:23:30 +00:00
|
|
|
return wrapper
|
|
|
|
return decorator
|
2020-08-12 13:50:36 +00:00
|
|
|
|
|
|
|
|
2021-05-07 03:30:45 +00:00
|
|
|
def with_presets(preset_bases, reason=None):
|
2021-05-18 11:59:26 +00:00
|
|
|
available_presets = set(preset_bases)
|
2021-05-07 03:30:45 +00:00
|
|
|
|
2020-08-12 12:48:52 +00:00
|
|
|
def decorator(fn):
|
|
|
|
def wrapper(*args, spec: Spec, **kw):
|
2021-05-18 11:59:26 +00:00
|
|
|
if spec.config.PRESET_BASE not in available_presets:
|
|
|
|
message = f"doesn't support this preset base: {spec.config.PRESET_BASE}."
|
2020-09-03 18:41:09 +00:00
|
|
|
if reason is not None:
|
|
|
|
message = f"{message} Reason: {reason}"
|
|
|
|
dump_skipping_message(message)
|
2020-08-12 12:48:52 +00:00
|
|
|
return None
|
|
|
|
|
|
|
|
return fn(*args, spec=spec, **kw)
|
|
|
|
return wrapper
|
|
|
|
return decorator
|
|
|
|
|
|
|
|
|
2021-05-07 03:30:45 +00:00
|
|
|
def with_config_overrides(config_overrides):
|
|
|
|
"""
|
2021-05-18 14:08:30 +00:00
|
|
|
WARNING: the spec_test decorator must wrap this, to ensure the decorated test actually runs.
|
|
|
|
This decorator forces the test to yield, and pytest doesn't run generator tests, and instead silently passes it.
|
|
|
|
Use 'spec_configured_state_test' instead of 'spec_state_test' if you are unsure.
|
|
|
|
|
|
|
|
This is a decorator that applies a dict of config value overrides to the spec during execution.
|
2021-05-07 03:30:45 +00:00
|
|
|
"""
|
|
|
|
def decorator(fn):
|
|
|
|
def wrapper(*args, spec: Spec, **kw):
|
|
|
|
# remember the old config
|
2021-05-18 11:59:26 +00:00
|
|
|
old_config = spec.config
|
2021-05-07 03:30:45 +00:00
|
|
|
|
|
|
|
# apply our overrides to a copy of it, and apply it to the spec
|
2021-05-18 14:08:30 +00:00
|
|
|
tmp_config = deepcopy(old_config._asdict()) # not a private method, there are multiple
|
2021-05-07 03:30:45 +00:00
|
|
|
tmp_config.update(config_overrides)
|
2021-05-18 14:08:30 +00:00
|
|
|
config_types = spec.Configuration.__annotations__
|
|
|
|
# Retain types of all config values
|
|
|
|
test_config = {k: config_types[k](v) for k, v in tmp_config.items()}
|
|
|
|
|
|
|
|
# Output the config for test vectors (TODO: check config YAML encoding)
|
2021-05-18 16:29:24 +00:00
|
|
|
yield 'config', 'data', test_config
|
2021-05-18 14:08:30 +00:00
|
|
|
|
|
|
|
spec.config = spec.Configuration(**test_config)
|
2021-05-07 03:30:45 +00:00
|
|
|
|
|
|
|
# Run the function
|
|
|
|
out = fn(*args, spec=spec, **kw)
|
|
|
|
# If it's not returning None like a normal test function,
|
|
|
|
# it's generating things, and we need to complete it before setting back the config.
|
|
|
|
if out is not None:
|
|
|
|
yield from out
|
|
|
|
|
|
|
|
# Restore the old config and apply it
|
2021-05-18 11:59:26 +00:00
|
|
|
spec.config = old_config
|
2021-05-07 03:30:45 +00:00
|
|
|
|
|
|
|
return wrapper
|
|
|
|
return decorator
|
|
|
|
|
|
|
|
|
2021-03-11 13:22:38 +00:00
|
|
|
def is_post_altair(spec):
|
2021-07-22 14:36:41 +00:00
|
|
|
return spec.fork not in FORKS_BEFORE_ALTAIR
|
2021-05-04 22:18:01 +00:00
|
|
|
|
|
|
|
|
|
|
|
def is_post_merge(spec):
|
2021-07-22 14:36:41 +00:00
|
|
|
return spec.fork not in FORKS_BEFORE_MERGE
|
2021-05-05 14:03:52 +00:00
|
|
|
|
|
|
|
|
2021-07-22 14:36:41 +00:00
|
|
|
with_altair_and_later = with_phases([ALTAIR, MERGE])
|
|
|
|
with_merge_and_later = with_phases([MERGE]) # TODO: include sharding when spec stabilizes.
|
2021-04-28 00:24:15 +00:00
|
|
|
|
|
|
|
|
2021-08-24 21:57:56 +00:00
|
|
|
def only_generator(reason):
|
|
|
|
def _decorator(inner):
|
|
|
|
def _wrapper(*args, **kwargs):
|
|
|
|
if is_pytest:
|
|
|
|
dump_skipping_message(reason)
|
|
|
|
return None
|
|
|
|
return inner(*args, **kwargs)
|
|
|
|
return _wrapper
|
|
|
|
return _decorator
|
|
|
|
|
|
|
|
|
2021-04-28 00:24:15 +00:00
|
|
|
def fork_transition_test(pre_fork_name, post_fork_name, fork_epoch=None):
|
|
|
|
"""
|
|
|
|
A decorator to construct a "transition" test from one fork of the eth2 spec
|
|
|
|
to another.
|
|
|
|
|
|
|
|
Decorator assumes a transition from the `pre_fork_name` fork to the
|
|
|
|
`post_fork_name` fork. The user can supply a `fork_epoch` at which the
|
|
|
|
fork occurs or they must compute one (yielding to the generator) during the test
|
|
|
|
if more custom behavior is desired.
|
|
|
|
|
|
|
|
A test using this decorator should expect to receive as parameters:
|
|
|
|
`state`: the default state constructed for the `pre_fork_name` fork
|
|
|
|
according to the `with_state` decorator.
|
|
|
|
`fork_epoch`: the `fork_epoch` provided to this decorator, if given.
|
|
|
|
`spec`: the version of the eth2 spec corresponding to `pre_fork_name`.
|
|
|
|
`post_spec`: the version of the eth2 spec corresponding to `post_fork_name`.
|
|
|
|
`pre_tag`: a function to tag data as belonging to `pre_fork_name` fork.
|
|
|
|
Used to discriminate data during consumption of the generated spec tests.
|
|
|
|
`post_tag`: a function to tag data as belonging to `post_fork_name` fork.
|
|
|
|
Used to discriminate data during consumption of the generated spec tests.
|
|
|
|
"""
|
|
|
|
def _wrapper(fn):
|
|
|
|
@with_phases([pre_fork_name], other_phases=[post_fork_name])
|
|
|
|
@spec_test
|
|
|
|
@with_state
|
|
|
|
def _adapter(*args, **kwargs):
|
|
|
|
wrapped = build_transition_test(fn,
|
|
|
|
pre_fork_name,
|
|
|
|
post_fork_name,
|
|
|
|
fork_epoch=fork_epoch)
|
|
|
|
return wrapped(*args, **kwargs)
|
|
|
|
return _adapter
|
|
|
|
return _wrapper
|