def test_compute_cycle_transitions(genesis_crystallized_state,
genesis_active_state, genesis_block,
config):
parent_crystallized_state = genesis_crystallized_state
parent_active_state = genesis_active_state
parent_block = genesis_block
block = copy.deepcopy(genesis_block)
block.slot_number = 258
active_state = fill_recent_block_hashes(parent_active_state, parent_block,
block)
crystallized_state, active_state = compute_cycle_transitions(
parent_crystallized_state,
active_state,
block,
config=config,
)
assert crystallized_state.last_state_recalc == (block.slot_number //
config['cycle_length'] *
config['cycle_length'])
def test_initialize_new_cycle(
genesis_crystallized_state, genesis_active_state, genesis_block,
last_state_recalc, last_justified_slot, justified_streak,
last_finalized_slot, fraction_voted, result_last_state_recalc,
result_justified_streak, result_last_finalized_slot, config):
# Fill the parent_crystallized_state with parematers
parent_crystallized_state = genesis_crystallized_state
parent_crystallized_state.last_state_recalc = last_state_recalc
parent_crystallized_state.last_justified_slot = last_justified_slot
parent_crystallized_state.justified_streak = justified_streak
parent_crystallized_state.last_finalized_slot = last_finalized_slot
parent_active_state = genesis_active_state
parent_block = genesis_block
block = copy.deepcopy(genesis_block)
block.slot_number = 258
block.parent_hash = blake(serialize(parent_block))
active_state = fill_recent_block_hashes(parent_active_state, parent_block,
block)
fraction_voted *= 1.01 # add margin for rounding error
# Fill the total_voter_deposits to simulate the different committee results
active_state.block_vote_cache[block.parent_hash] = {
'voter_indices':
set(),
'total_voter_deposits':
int(parent_crystallized_state.total_deposits * fraction_voted)
}
crystallized_state, active_state = initialize_new_cycle(
parent_crystallized_state,
active_state,
block,
config=config,
)
assert crystallized_state.last_state_recalc == result_last_state_recalc
assert crystallized_state.justified_streak == result_justified_streak
assert crystallized_state.last_finalized_slot == result_last_finalized_slot
