text: import time
  from typing import Dict, List, Optional, Set
  
  from goji.consensus.cost_calculator import NPCResult
  from goji.full_node.generator import create_generator_args, setup_generator_args
  from goji.types.blockchain_format.coin import Coin
  from goji.types.blockchain_format.program import NIL
  from goji.types.blockchain_format.sized_bytes import bytes32
  from goji.types.coin_record import CoinRecord
  from goji.types.condition_with_args import ConditionWithArgs
  from goji.types.generator_types import BlockGenerator
  from goji.types.name_puzzle_condition import NPC
  from goji.util.clvm import int_from_bytes
  from goji.util.condition_tools import ConditionOpcode, conditions_by_opcode
  from goji.util.errors import Err
  from goji.util.ints import uint32, uint64, uint16
  from goji.wallet.puzzles.generator_loader import GENERATOR_FOR_SINGLE_COIN_MOD
  from goji.wallet.puzzles.rom_bootstrap_generator import get_generator
  
  GENERATOR_MOD = get_generator()
  
  
  def mempool_assert_announcement(condition: ConditionWithArgs, announcements: Set[bytes32]) -> Optional[Err]:
      """
      Check if an announcement is included in the list of announcements
      """
      announcement_hash = bytes32(condition.vars[0])
      if announcement_hash not in announcements:
          return Err.ASSERT_ANNOUNCE_CONSUMED_FAILED
  
      return None
  
  
  def mempool_assert_my_coin_id(condition: ConditionWithArgs, unspent: CoinRecord) -> Optional[Err]:
      """
      Checks if CoinID matches the id from the condition
      """
      if unspent.coin.name() != condition.vars[0]:
          return Err.ASSERT_MY_COIN_ID_FAILED
      return None
  
  
  def mempool_assert_absolute_block_height_exceeds(
      condition: ConditionWithArgs, prev_transaction_block_height: uint32
  ) -> Optional[Err]:
      """
      Checks if the next block index exceeds the block index from the condition
      """
      try:
          block_index_exceeds_this = int_from_bytes(condition.vars[0])
      except ValueError:
          return Err.INVALID_CONDITION
      if prev_transaction_block_height < block_index_exceeds_this:
          return Err.ASSERT_HEIGHT_ABSOLUTE_FAILED
      return None
  
  
  def mempool_assert_relative_block_height_exceeds(
      condition: ConditionWithArgs, unspent: CoinRecord, prev_transaction_block_height: uint32
  ) -> Optional[Err]:
      """
      Checks if the coin age exceeds the age from the condition
      """
      try:
          expected_block_age = int_from_bytes(condition.vars[0])
          block_index_exceeds_this = expected_block_age + unspent.confirmed_block_index
      except ValueError:
          return Err.INVALID_CONDITION
      if prev_transaction_block_height < block_index_exceeds_this:
          return Err.ASSERT_HEIGHT_RELATIVE_FAILED
      return None
  
  
  def mempool_assert_absolute_time_exceeds(condition: ConditionWithArgs, timestamp: uint64) -> Optional[Err]:
      """
      Check if the current time in seconds exceeds the time specified by condition
      """
      try:
          expected_seconds = int_from_bytes(condition.vars[0])
      except ValueError:
          return Err.INVALID_CONDITION
  
      if timestamp is None:
          timestamp = uint64(int(time.time()))
      if timestamp < expected_seconds:
          return Err.ASSERT_SECONDS_ABSOLUTE_FAILED
      return None
  
  
  def mempool_assert_relative_time_exceeds(
      condition: ConditionWithArgs, unspent: CoinRecord, timestamp: uint64
  ) -> Optional[Err]:
      """
      Check if the current time in seconds exceeds the time specified by condition
      """
      try:
          expected_seconds = int_from_bytes(condition.vars[0])
      except ValueError:
          return Err.INVALID_CONDITION
  
      if timestamp is None:
          timestamp = uint64(int(time.time()))
      if timestamp < expected_seconds + unspent.timestamp:
          return Err.ASSERT_SECONDS_RELATIVE_FAILED
      return None
  
  
  def mempool_assert_my_parent_id(condition: ConditionWithArgs, unspent: CoinRecord) -> Optional[Err]:
      """
      Checks if coin's parent ID matches the ID from the condition
      """
      if unspent.coin.parent_coin_info != condition.vars[0]:
          return Err.ASSERT_MY_PARENT_ID_FAILED
      return None
  
  
  def mempool_assert_my_puzzlehash(condition: ConditionWithArgs, unspent: CoinRecord) -> Optional[Err]:
      """
      Checks if coin's puzzlehash matches the puzzlehash from the condition
      """
      if unspent.coin.puzzle_hash != condition.vars[0]:
          return Err.ASSERT_MY_PUZZLEHASH_FAILED
      return None
  
  
  def mempool_assert_my_amount(condition: ConditionWithArgs, unspent: CoinRecord) -> Optional[Err]:
      """
      Checks if coin's amount matches the amount from the condition
      """
      if unspent.coin.amount != int_from_bytes(condition.vars[0]):
          return Err.ASSERT_MY_AMOUNT_FAILED
      return None
  
  
  def get_name_puzzle_conditions(generator: BlockGenerator, max_cost: int, safe_mode: bool) -> NPCResult:
      try:
          block_program, block_program_args = setup_generator_args(generator)
          if safe_mode:
              cost, result = GENERATOR_MOD.run_safe_with_cost(max_cost, block_program, block_program_args)
          else:
              cost, result = GENERATOR_MOD.run_with_cost(max_cost, block_program, block_program_args)
          npc_list: List[NPC] = []
          opcodes: Set[bytes] = set(item.value for item in ConditionOpcode)
  
          for res in result.first().as_iter():
              conditions_list: List[ConditionWithArgs] = []
  
              spent_coin_parent_id: bytes32 = res.first().as_atom()
              spent_coin_puzzle_hash: bytes32 = res.rest().first().as_atom()
              spent_coin_amount: uint64 = uint64(res.rest().rest().first().as_int())
              spent_coin: Coin = Coin(spent_coin_parent_id, spent_coin_puzzle_hash, spent_coin_amount)
  
              for cond in res.rest().rest().rest().first().as_iter():
                  if cond.first().as_atom() in opcodes:
                      opcode: ConditionOpcode = ConditionOpcode(cond.first().as_atom())
                  elif not safe_mode:
                      opcode = ConditionOpcode.UNKNOWN
                  else:
                      return NPCResult(uint16(Err.GENERATOR_RUNTIME_ERROR.value), [], uint64(0))
                  cvl = ConditionWithArgs(opcode, cond.rest().as_atom_list())
                  conditions_list.append(cvl)
              conditions_dict = conditions_by_opcode(conditions_list)
              if conditions_dict is None:
                  conditions_dict = {}
              npc_list.append(
                  NPC(spent_coin.name(), spent_coin.puzzle_hash, [(a, b) for a, b in conditions_dict.items()])
              )
          return NPCResult(None, npc_list, uint64(cost))
      except Exception:
          return NPCResult(uint16(Err.GENERATOR_RUNTIME_ERROR.value), [], uint64(0))
  
  
  def get_puzzle_and_solution_for_coin(generator: BlockGenerator, coin_name: bytes, max_cost: int):
      try:
          block_program = generator.program
          if not generator.generator_args:
              block_program_args = NIL
          else:
              block_program_args = create_generator_args(generator.generator_refs())
  
          cost, result = GENERATOR_FOR_SINGLE_COIN_MOD.run_with_cost(
              max_cost, block_program, block_program_args, coin_name
          )
          puzzle = result.first()
          solution = result.rest().first()
          return None, puzzle, solution
      except Exception as e:
          return e, None, None
  
  
  def mempool_check_conditions_dict(
      unspent: CoinRecord,
      coin_announcement_names: Set[bytes32],
      puzzle_announcement_names: Set[bytes32],
      conditions_dict: Dict[ConditionOpcode, List[ConditionWithArgs]],
      prev_transaction_block_height: uint32,
      timestamp: uint64,
  ) -> Optional[Err]:
      """
      Check all conditions against current state.
      """
      for con_list in conditions_dict.values():
          cvp: ConditionWithArgs
          for cvp in con_list:
              error: Optional[Err] = None
              if cvp.opcode is ConditionOpcode.ASSERT_MY_COIN_ID:
                  error = mempool_assert_my_coin_id(cvp, unspent)
              elif cvp.opcode is ConditionOpcode.ASSERT_COIN_ANNOUNCEMENT:
                  error = mempool_assert_announcement(cvp, coin_announcement_names)
              elif cvp.opcode is ConditionOpcode.ASSERT_PUZZLE_ANNOUNCEMENT:
                  error = mempool_assert_announcement(cvp, puzzle_announcement_names)
              elif cvp.opcode is ConditionOpcode.ASSERT_HEIGHT_ABSOLUTE:
                  error = mempool_assert_absolute_block_height_exceeds(cvp, prev_transaction_block_height)
              elif cvp.opcode is ConditionOpcode.ASSERT_HEIGHT_RELATIVE:
                  error = mempool_assert_relative_block_height_exceeds(cvp, unspent, prev_transaction_block_height)
              elif cvp.opcode is ConditionOpcode.ASSERT_SECONDS_ABSOLUTE:
                  error = mempool_assert_absolute_time_exceeds(cvp, timestamp)
              elif cvp.opcode is ConditionOpcode.ASSERT_SECONDS_RELATIVE:
                  error = mempool_assert_relative_time_exceeds(cvp, unspent, timestamp)
              elif cvp.opcode is ConditionOpcode.ASSERT_MY_PARENT_ID:
                  error = mempool_assert_my_parent_id(cvp, unspent)
              elif cvp.opcode is ConditionOpcode.ASSERT_MY_PUZZLEHASH:
                  error = mempool_assert_my_puzzlehash(cvp, unspent)
              elif cvp.opcode is ConditionOpcode.ASSERT_MY_AMOUNT:
                  error = mempool_assert_my_amount(cvp, unspent)
              if error:
                  return error
  
      return None
  