def header_block_to_sub_block_record(
constants: ConsensusConstants,
required_iters: uint64,
block: Union[FullBlock, HeaderBlock],
sub_slot_iters: uint64,
overflow: bool,
deficit: uint8,
prev_transaction_block_height: uint32,
ses: Optional[SubEpochSummary],
):
reward_claims_incorporated = (
block.transactions_info.reward_claims_incorporated
if block.transactions_info is not None else None)
cbi = ChallengeBlockInfo(
block.reward_chain_block.proof_of_space,
block.reward_chain_block.challenge_chain_sp_vdf,
block.reward_chain_block.challenge_chain_sp_signature,
block.reward_chain_block.challenge_chain_ip_vdf,
)
if block.reward_chain_block.infused_challenge_chain_ip_vdf is not None:
icc_output: Optional[
ClassgroupElement] = block.reward_chain_block.infused_challenge_chain_ip_vdf.output
else:
icc_output = None
if len(block.finished_sub_slots) > 0:
finished_challenge_slot_hashes: Optional[List[bytes32]] = [
sub_slot.challenge_chain.get_hash()
for sub_slot in block.finished_sub_slots
]
finished_reward_slot_hashes: Optional[List[bytes32]] = [
sub_slot.reward_chain.get_hash()
for sub_slot in block.finished_sub_slots
]
finished_infused_challenge_slot_hashes: Optional[List[bytes32]] = [
sub_slot.infused_challenge_chain.get_hash()
for sub_slot in block.finished_sub_slots
if sub_slot.infused_challenge_chain is not None
]
elif block.height == 0:
finished_challenge_slot_hashes = [constants.GENESIS_CHALLENGE]
finished_reward_slot_hashes = [constants.GENESIS_CHALLENGE]
finished_infused_challenge_slot_hashes = None
else:
finished_challenge_slot_hashes = None
finished_reward_slot_hashes = None
finished_infused_challenge_slot_hashes = None
prev_transaction_block_hash = (
block.foliage_transaction_block.prev_transaction_block_hash
if block.foliage_transaction_block is not None else None)
timestamp = block.foliage_transaction_block.timestamp if block.foliage_transaction_block is not None else None
fees = block.transactions_info.fees if block.transactions_info is not None else None
return BlockRecord(
block.header_hash,
block.prev_header_hash,
block.height,
block.weight,
block.total_iters,
block.reward_chain_block.signage_point_index,
block.reward_chain_block.challenge_chain_ip_vdf.output,
icc_output,
block.reward_chain_block.get_hash(),
cbi.get_hash(),
sub_slot_iters,
block.foliage.foliage_block_data.pool_target.puzzle_hash,
block.foliage.foliage_block_data.farmer_reward_puzzle_hash,
required_iters,
deficit,
overflow,
prev_transaction_block_height,
timestamp,
prev_transaction_block_hash,
fees,
reward_claims_incorporated,
finished_challenge_slot_hashes,
finished_infused_challenge_slot_hashes,
finished_reward_slot_hashes,
ses,
)
def block_to_block_record(
constants: ConsensusConstants,
blocks: BlockchainInterface,
required_iters: uint64,
full_block: Optional[Union[FullBlock, HeaderBlock]],
header_block: Optional[HeaderBlock],
):
if full_block is None:
assert header_block is not None
block: Union[HeaderBlock, FullBlock] = header_block
else:
block = full_block
if block.height == 0:
prev_b: Optional[BlockRecord] = None
sub_slot_iters: uint64 = uint64(constants.SUB_SLOT_ITERS_STARTING)
else:
prev_b = blocks.block_record(block.prev_header_hash)
assert prev_b is not None
sub_slot_iters = get_next_sub_slot_iters(
constants,
blocks,
prev_b.prev_hash,
prev_b.height,
prev_b.sub_slot_iters,
prev_b.deficit,
len(block.finished_sub_slots) > 0,
prev_b.sp_total_iters(constants),
)
overflow = is_overflow_block(constants,
block.reward_chain_block.signage_point_index)
deficit = calculate_deficit(
constants,
block.height,
prev_b,
overflow,
len(block.finished_sub_slots),
)
prev_transaction_block_hash = (
block.foliage_transaction_block.prev_transaction_block_hash
if block.foliage_transaction_block is not None else None)
timestamp = block.foliage_transaction_block.timestamp if block.foliage_transaction_block is not None else None
fees = block.transactions_info.fees if block.transactions_info is not None else None
reward_claims_incorporated = (
block.transactions_info.reward_claims_incorporated
if block.transactions_info is not None else None)
if len(block.finished_sub_slots) > 0:
finished_challenge_slot_hashes: Optional[List[bytes32]] = [
sub_slot.challenge_chain.get_hash()
for sub_slot in block.finished_sub_slots
]
finished_reward_slot_hashes: Optional[List[bytes32]] = [
sub_slot.reward_chain.get_hash()
for sub_slot in block.finished_sub_slots
]
finished_infused_challenge_slot_hashes: Optional[List[bytes32]] = [
sub_slot.infused_challenge_chain.get_hash()
for sub_slot in block.finished_sub_slots
if sub_slot.infused_challenge_chain is not None
]
elif block.height == 0:
finished_challenge_slot_hashes = [constants.GENESIS_CHALLENGE]
finished_reward_slot_hashes = [constants.GENESIS_CHALLENGE]
finished_infused_challenge_slot_hashes = None
else:
finished_challenge_slot_hashes = None
finished_reward_slot_hashes = None
finished_infused_challenge_slot_hashes = None
found_ses_hash: Optional[bytes32] = None
ses: Optional[SubEpochSummary] = None
if len(block.finished_sub_slots) > 0:
for sub_slot in block.finished_sub_slots:
if sub_slot.challenge_chain.subepoch_summary_hash is not None:
found_ses_hash = sub_slot.challenge_chain.subepoch_summary_hash
if found_ses_hash:
assert prev_b is not None
assert len(block.finished_sub_slots) > 0
ses = make_sub_epoch_summary(
constants,
blocks,
block.height,
blocks.block_record(prev_b.prev_hash),
block.finished_sub_slots[0].challenge_chain.new_difficulty,
block.finished_sub_slots[0].challenge_chain.new_sub_slot_iters,
)
assert ses.get_hash() == found_ses_hash
cbi = ChallengeBlockInfo(
block.reward_chain_block.proof_of_space,
block.reward_chain_block.challenge_chain_sp_vdf,
block.reward_chain_block.challenge_chain_sp_signature,
block.reward_chain_block.challenge_chain_ip_vdf,
)
if block.reward_chain_block.infused_challenge_chain_ip_vdf is not None:
icc_output: Optional[
ClassgroupElement] = block.reward_chain_block.infused_challenge_chain_ip_vdf.output
else:
icc_output = None
prev_transaction_block_height = uint32(0)
curr: Optional[BlockRecord] = blocks.try_block_record(
block.prev_header_hash)
while curr is not None and not curr.is_transaction_block:
curr = blocks.try_block_record(curr.prev_hash)
if curr is not None and curr.is_transaction_block:
prev_transaction_block_height = curr.height
return BlockRecord(
block.header_hash,
block.prev_header_hash,
block.height,
block.weight,
block.total_iters,
block.reward_chain_block.signage_point_index,
block.reward_chain_block.challenge_chain_ip_vdf.output,
icc_output,
block.reward_chain_block.get_hash(),
cbi.get_hash(),
sub_slot_iters,
block.foliage.foliage_block_data.pool_target.puzzle_hash,
block.foliage.foliage_block_data.farmer_reward_puzzle_hash,
required_iters,
deficit,
overflow,
prev_transaction_block_height,
timestamp,
prev_transaction_block_hash,
fees,
reward_claims_incorporated,
finished_challenge_slot_hashes,
finished_infused_challenge_slot_hashes,
finished_reward_slot_hashes,
ses,
)