def test_get_genesis_block():
startup_state_root = b'\x10' * 32
genesis_slot = 10
genesis_block = get_genesis_block(startup_state_root, genesis_slot, BeaconBlock)
assert genesis_block.slot == genesis_slot
assert genesis_block.parent_root == ZERO_HASH32
assert genesis_block.state_root == startup_state_root
assert genesis_block.randao_reveal == ZERO_HASH32
assert genesis_block.eth1_data == Eth1Data.create_empty_data()
assert genesis_block.signature == EMPTY_SIGNATURE
assert genesis_block.body.is_empty
def create_mock_genesis(
num_validators: int,
config: BeaconConfig,
keymap: Dict[BLSPubkey, int],
genesis_block_class: Type[BaseBeaconBlock],
genesis_time: Timestamp = 0) -> Tuple[BeaconState, BaseBeaconBlock]:
latest_eth1_data = Eth1Data.create_empty_data()
assert num_validators <= len(keymap)
pubkeys = list(keymap)[:num_validators]
initial_validator_deposits = create_mock_initial_validator_deposits(
num_validators=num_validators,
config=config,
pubkeys=pubkeys,
keymap=keymap,
)
state = get_initial_beacon_state(
initial_validator_deposits=initial_validator_deposits,
genesis_time=genesis_time,
latest_eth1_data=latest_eth1_data,
genesis_slot=config.GENESIS_SLOT,
genesis_epoch=config.GENESIS_EPOCH,
genesis_fork_version=config.GENESIS_FORK_VERSION,
genesis_start_shard=config.GENESIS_START_SHARD,
shard_count=config.SHARD_COUNT,
seed_lookahead=config.SEED_LOOKAHEAD,
latest_block_roots_length=config.LATEST_BLOCK_ROOTS_LENGTH,
latest_index_roots_length=config.LATEST_INDEX_ROOTS_LENGTH,
epoch_length=config.EPOCH_LENGTH,
max_deposit_amount=config.MAX_DEPOSIT_AMOUNT,
latest_penalized_exit_length=config.LATEST_PENALIZED_EXIT_LENGTH,
latest_randao_mixes_length=config.LATEST_RANDAO_MIXES_LENGTH,
entry_exit_delay=config.ENTRY_EXIT_DELAY,
)
block = get_genesis_block(
startup_state_root=state.root,
genesis_slot=config.GENESIS_SLOT,
block_class=genesis_block_class,
)
assert len(state.validator_registry) == num_validators
return state, block
def genesis_block(genesis_state, genesis_slot):
return get_genesis_block(
genesis_state.root,
genesis_slot,
SerenityBeaconBlock,
)