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update compute_additions_with_cost() to use run_puzzle() #16661

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update compute_additions_with_cost() to use run_puzzle() #16661

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63 changes: 33 additions & 30 deletions chia/types/coin_spend.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,16 +3,25 @@
from dataclasses import dataclass
from typing import Any, Dict, List, Tuple

from clvm.casts import int_from_bytes
from chia_rs import (
AGG_SIG_ARGS,
ALLOW_BACKREFS,
ENABLE_ASSERT_BEFORE,
ENABLE_BLS_OPS,
ENABLE_BLS_OPS_OUTSIDE_GUARD,
ENABLE_FIXED_DIV,
ENABLE_SECP_OPS,
ENABLE_SOFTFORK_CONDITION,
LIMIT_ANNOUNCES,
LIMIT_OBJECTS,
run_puzzle,
)

from chia.consensus.condition_costs import ConditionCost
from chia.consensus.default_constants import DEFAULT_CONSTANTS
from chia.types.blockchain_format.coin import Coin
from chia.types.blockchain_format.program import Program
from chia.types.blockchain_format.serialized_program import SerializedProgram
from chia.types.condition_opcodes import ConditionOpcode
from chia.types.condition_with_args import ConditionWithArgs
from chia.util.errors import Err, ValidationError
from chia.util.streamable import Streamable, streamable


Expand Down Expand Up @@ -43,34 +52,28 @@ def compute_additions_with_cost(
puzzle and solution may have been decompressed, the true byte-cost can only be
measured at the block generator level.
"""
flags = (
ENABLE_ASSERT_BEFORE
| LIMIT_ANNOUNCES
| LIMIT_OBJECTS
| ENABLE_BLS_OPS
| ENABLE_SECP_OPS
| ENABLE_SOFTFORK_CONDITION
| ENABLE_BLS_OPS_OUTSIDE_GUARD
| ENABLE_FIXED_DIV
| AGG_SIG_ARGS
| ALLOW_BACKREFS
)
parent_id = cs.coin.name()
ret: List[Coin] = []
cost, r = cs.puzzle_reveal.run_with_cost(max_cost, cs.solution)
for cond in Program.to(r).as_iter():
if cost > max_cost:
raise ValidationError(Err.BLOCK_COST_EXCEEDS_MAX, "compute_additions() for CoinSpend")
atoms = cond.as_iter()
op = next(atoms).atom
if op in [
ConditionOpcode.AGG_SIG_PARENT,
ConditionOpcode.AGG_SIG_PUZZLE,
ConditionOpcode.AGG_SIG_AMOUNT,
ConditionOpcode.AGG_SIG_PUZZLE_AMOUNT,
ConditionOpcode.AGG_SIG_PARENT_AMOUNT,
ConditionOpcode.AGG_SIG_PARENT_PUZZLE,
ConditionOpcode.AGG_SIG_UNSAFE,
ConditionOpcode.AGG_SIG_ME,
]:
cost += ConditionCost.AGG_SIG.value
continue
if op != ConditionOpcode.CREATE_COIN.value:
continue
cost += ConditionCost.CREATE_COIN.value
puzzle_hash = next(atoms).atom
amount = int_from_bytes(next(atoms).atom)
ret.append(Coin(parent_id, puzzle_hash, amount))

return ret, cost
conditions = run_puzzle(
bytes(cs.puzzle_reveal), bytes(cs.solution), cs.coin.parent_coin_info, cs.coin.amount, max_cost, flags
)
assert len(conditions.spends) == 1
for create_coin in conditions.spends[0].create_coin:
coin = Coin(parent_id, create_coin[0], create_coin[1])
ret.append(coin)
return ret, conditions.cost


def compute_additions(cs: CoinSpend, *, max_cost: int = DEFAULT_CONSTANTS.MAX_BLOCK_COST_CLVM) -> List[Coin]:
Expand Down