2019-05-21 12:41:24 +02:00

71 lines
2.0 KiB
Python

from . import spec
from .spec import (
BeaconState,
BeaconBlock,
Slot,
)
from eth2spec.phase0.state_transition import (
process_operation_type,
process_operations as process_operations_phase0,
)
def process_operations(state: BeaconState, block: BeaconBlock) -> None:
process_operations_phase0(state, block)
process_operation_type(
state,
block.body.custody_key_reveals,
spec.MAX_CUSTODY_KEY_REVEALS,
spec.process_custody_key_reveal,
)
process_operation_type(
state,
block.body.early_derived_secret_reveals,
spec.MAX_EARLY_DERIVED_SECRET_REVEALS,
spec.process_early_derived_secret_reveal,
)
def process_block(state: BeaconState,
block: BeaconBlock,
verify_state_root: bool = False) -> None:
spec.process_block_header(state, block)
spec.process_randao(state, block)
spec.process_eth1_data(state, block)
process_operations(state, block)
if verify_state_root:
spec.verify_block_state_root(state, block)
def process_epoch_transition(state: BeaconState) -> None:
spec.process_justification_and_finalization(state)
spec.process_crosslinks(state)
# TODO: Eligible
spec.process_rewards_and_penalties(state)
spec.process_registry_updates(state)
spec.process_reveal_deadlines(state)
spec.process_challenge_deadlines(state)
spec.process_slashings(state)
spec.process_final_updates(state)
spec.after_process_final_updates(state)
def state_transition_to(state: BeaconState, up_to: Slot) -> BeaconState:
while state.slot < up_to:
spec.cache_state(state)
if (state.slot + 1) % spec.SLOTS_PER_EPOCH == 0:
process_epoch_transition(state)
spec.advance_slot(state)
def state_transition(state: BeaconState,
block: BeaconBlock,
verify_state_root: bool = False) -> BeaconState:
state_transition_to(state, block.slot)
process_block(state, block, verify_state_root)