def additions_for_solution(coin_name: bytes32, puzzle_reveal: Program, solution: Program, max_cost: int) -> List[Coin]:
"""
Checks the conditions created by CoinSolution and returns the list of all coins created
"""
err, dic, cost = conditions_dict_for_solution(puzzle_reveal, solution, max_cost)
if err or dic is None:
return []
return created_outputs_for_conditions_dict(dic, coin_name)
def additions_for_npc(npc_list: List[NPC]) -> List[Coin]:
additions: List[Coin] = []
for npc in npc_list:
for coin in created_outputs_for_conditions_dict(
npc.condition_dict, npc.coin_name):
additions.append(coin)
return additions
def validate_spend_bundle(
self,
spend_bundle: SpendBundle,
now: CoinTimestamp,
max_cost: int,
cost_per_byte: int,
) -> int:
# this should use blockchain consensus code
program = simple_solution_generator(spend_bundle)
result: NPCResult = get_name_puzzle_conditions(
program, max_cost, cost_per_byte=cost_per_byte, mempool_mode=True
)
if result.error is not None:
raise BadSpendBundleError(f"condition validation failure {Err(result.error)}")
ephemeral_db = dict(self._db)
for npc in result.npc_list:
for coin in created_outputs_for_conditions_dict(npc.condition_dict, npc.coin_name):
name = coin.name()
ephemeral_db[name] = CoinRecord(
coin,
uint32(now.height),
uint32(0),
False,
uint64(now.seconds),
)
for npc in result.npc_list:
prev_transaction_block_height = uint32(now.height)
timestamp = uint64(now.seconds)
coin_record = ephemeral_db.get(npc.coin_name)
if coin_record is None:
raise BadSpendBundleError(f"coin not found for id 0x{npc.coin_name.hex()}") # noqa
err = mempool_check_conditions_dict(
coin_record,
npc.condition_dict,
prev_transaction_block_height,
timestamp,
)
if err is not None:
raise BadSpendBundleError(f"condition validation failure {Err(err)}")
return 0