from typing import Tuple from chia.consensus.block_record import BlockRecord from chia.consensus.blockchain_interface import BlockchainInterface from chia.util.ints import uint128 def get_prev_transaction_block( curr: BlockRecord, blocks: BlockchainInterface, total_iters_sp: uint128, ) -> Tuple[bool, BlockRecord]: prev_transaction_block = curr while not curr.is_transaction_block: curr = blocks.block_record(curr.prev_hash) if total_iters_sp > curr.total_iters: prev_transaction_block = curr is_transaction_block = True else: is_transaction_block = False return is_transaction_block, prev_transaction_block