def _make_proposing_block(
self, proposer_index: ValidatorIndex, slot: Slot,
state: BeaconState, state_machine: BaseBeaconStateMachine,
parent_block: BaseBeaconBlock) -> BaseBeaconBlock:
return create_block_on_state(
state=state,
config=state_machine.config,
state_machine=state_machine,
block_class=SerenityBeaconBlock,
parent_block=parent_block,
slot=slot,
validator_index=proposer_index,
privkey=self.validator_privkeys[proposer_index],
attestations=(),
check_proposer_index=False,
)
async def propose_block(
self,
proposer_index: ValidatorIndex,
slot: Slot,
state: BeaconState,
state_machine: BaseBeaconStateMachine,
head_block: BaseBeaconBlock,
) -> BaseBeaconBlock:
"""
Propose a block and broadcast it.
"""
eth1_vote = await self._get_eth1_vote(slot, state, state_machine)
deposits = await self._get_deposit_data(state, state_machine,
eth1_vote)
# TODO(hwwhww): Check if need to aggregate and if they are overlapping.
aggregated_attestations = self.get_ready_attestations(slot, True)
unaggregated_attestations = self.get_ready_attestations(slot, False)
ready_attestations = aggregated_attestations + unaggregated_attestations
block = create_block_on_state(
state=state,
config=state_machine.config,
state_machine=state_machine,
signed_block_class=
SerenitySignedBeaconBlock, # TODO: Should get block class from slot
parent_block=head_block,
slot=slot,
validator_index=proposer_index,
privkey=self.validator_privkeys[proposer_index],
attestations=ready_attestations,
eth1_data=eth1_vote,
deposits=deposits,
check_proposer_index=False,
)
self.logger.debug(
bold_green(
"validator %s is proposing a block %s with attestations %s"),
proposer_index,
block,
block.body.attestations,
)
self.chain.import_block(block)
self.logger.debug("broadcasting block %s", block)
await self.p2p_node.broadcast_beacon_block(block)
metrics.validator_proposed_blocks.inc()
return block