chia-blockchain/chia/types/full_block.py

80 lines
3.3 KiB
Python

from dataclasses import dataclass
from typing import List, Optional, Set
from chia.types.blockchain_format.coin import Coin
from chia.types.blockchain_format.foliage import Foliage, FoliageTransactionBlock, TransactionsInfo
from chia.types.blockchain_format.program import SerializedProgram
from chia.types.blockchain_format.reward_chain_block import RewardChainBlock
from chia.types.blockchain_format.vdf import VDFProof
from chia.types.end_of_slot_bundle import EndOfSubSlotBundle
from chia.util.ints import uint32
from chia.util.streamable import Streamable, streamable
@dataclass(frozen=True)
@streamable
class FullBlock(Streamable):
# All the information required to validate a block
finished_sub_slots: List[EndOfSubSlotBundle] # If first sb
reward_chain_block: RewardChainBlock # Reward chain trunk data
challenge_chain_sp_proof: Optional[VDFProof] # If not first sp in sub-slot
challenge_chain_ip_proof: VDFProof
reward_chain_sp_proof: Optional[VDFProof] # If not first sp in sub-slot
reward_chain_ip_proof: VDFProof
infused_challenge_chain_ip_proof: Optional[VDFProof] # Iff deficit < 4
foliage: Foliage # Reward chain foliage data
foliage_transaction_block: Optional[FoliageTransactionBlock] # Reward chain foliage data (tx block)
transactions_info: Optional[TransactionsInfo] # Reward chain foliage data (tx block additional)
transactions_generator: Optional[SerializedProgram] # Program that generates transactions
transactions_generator_ref_list: List[
uint32
] # List of block heights of previous generators referenced in this block
@property
def prev_header_hash(self):
return self.foliage.prev_block_hash
@property
def height(self):
return self.reward_chain_block.height
@property
def weight(self):
return self.reward_chain_block.weight
@property
def total_iters(self):
return self.reward_chain_block.total_iters
@property
def header_hash(self):
return self.foliage.get_hash()
def is_transaction_block(self) -> bool:
return self.foliage_transaction_block is not None
def get_included_reward_coins(self) -> Set[Coin]:
if not self.is_transaction_block():
return set()
assert self.transactions_info is not None
return set(self.transactions_info.reward_claims_incorporated)
def is_fully_compactified(self) -> bool:
for sub_slot in self.finished_sub_slots:
if (
sub_slot.proofs.challenge_chain_slot_proof.witness_type != 0
or not sub_slot.proofs.challenge_chain_slot_proof.normalized_to_identity
):
return False
if sub_slot.proofs.infused_challenge_chain_slot_proof is not None and (
sub_slot.proofs.infused_challenge_chain_slot_proof.witness_type != 0
or not sub_slot.proofs.infused_challenge_chain_slot_proof.normalized_to_identity
):
return False
if self.challenge_chain_sp_proof is not None and (
self.challenge_chain_sp_proof.witness_type != 0 or not self.challenge_chain_sp_proof.normalized_to_identity
):
return False
if self.challenge_chain_ip_proof.witness_type != 0 or not self.challenge_chain_ip_proof.normalized_to_identity:
return False
return True