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Add get_state_root in tests

This commit is contained in:
Justin Drake 2019-05-01 09:30:08 +01:00
parent 427a53cdae
commit b6b4d3cbaf
1 changed files with 9 additions and 1 deletions
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10
test_libs/pyspec/tests/test_sanity.py
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@ -9,6 +9,7 @@ from eth2spec.utils.minimal_ssz import signing_root
from eth2spec.phase0.spec import (
# constants
ZERO_HASH,
SLOTS_PER_HISTORICAL_ROOT,
# SSZ
Deposit,
Transfer,
@ -17,7 +18,6 @@ from eth2spec.phase0.spec import (
get_active_validator_indices,
get_beacon_proposer_index,
get_block_root_at_slot,
get_state_root,
get_current_epoch,
get_domain,
advance_slot,
@ -51,6 +51,14 @@ from .helpers import (
pytestmark = pytest.mark.sanity
def get_state_root(state, slot) -> bytes:
"""
Return the state root at a recent ``slot``.
"""
assert slot < state.slot <= slot + SLOTS_PER_HISTORICAL_ROOT
return state.latest_state_roots[slot % SLOTS_PER_HISTORICAL_ROOT]
def test_slot_transition(state):
test_state = deepcopy(state)
cache_state(test_state)