chia-blockchain/tests/clvm/test_puzzles.py

243 lines
9.4 KiB
Python

from typing import Iterable, List, Tuple
from unittest import TestCase
from blspy import AugSchemeMPL, BasicSchemeMPL, G1Element, G2Element
from chia.types.blockchain_format.program import Program
from chia.types.blockchain_format.sized_bytes import bytes32
from chia.types.coin_solution import CoinSolution
from chia.types.spend_bundle import SpendBundle
from chia.util.condition_tools import ConditionOpcode
from chia.util.hash import std_hash
from chia.wallet.puzzles import (
p2_conditions,
p2_delegated_conditions,
p2_delegated_puzzle,
p2_delegated_puzzle_or_hidden_puzzle,
p2_m_of_n_delegate_direct,
p2_puzzle_hash,
)
from tests.util.key_tool import KeyTool
from ..core.make_block_generator import int_to_public_key
from .coin_store import CoinStore, CoinTimestamp
T1 = CoinTimestamp(1, 10000000)
T2 = CoinTimestamp(5, 10003000)
MAX_BLOCK_COST_CLVM = int(1e18)
def secret_exponent_for_index(index: int) -> int:
blob = index.to_bytes(32, "big")
hashed_blob = BasicSchemeMPL.key_gen(std_hash(b"foo" + blob))
r = int.from_bytes(hashed_blob, "big")
return r
def public_key_for_index(index: int, key_lookup: KeyTool) -> bytes:
secret_exponent = secret_exponent_for_index(index)
key_lookup.add_secret_exponents([secret_exponent])
return bytes(int_to_public_key(secret_exponent))
def throwaway_puzzle_hash(index: int, key_lookup: KeyTool) -> bytes32:
return p2_delegated_puzzle.puzzle_for_pk(public_key_for_index(index, key_lookup)).get_tree_hash()
def do_test_spend(
puzzle_reveal: Program,
solution: Program,
payments: Iterable[Tuple[bytes32, int]],
key_lookup: KeyTool,
farm_time: CoinTimestamp = T1,
spend_time: CoinTimestamp = T2,
) -> SpendBundle:
"""
This method will farm a coin paid to the hash of `puzzle_reveal`, then try to spend it
with `solution`, and verify that the created coins correspond to `payments`.
The `key_lookup` is used to create a signed version of the `SpendBundle`, although at
this time, signatures are not verified.
"""
coin_db = CoinStore()
puzzle_hash = puzzle_reveal.get_tree_hash()
# farm it
coin = coin_db.farm_coin(puzzle_hash, farm_time)
# spend it
coin_solution = CoinSolution(coin, puzzle_reveal, solution)
spend_bundle = SpendBundle([coin_solution], G2Element())
coin_db.update_coin_store_for_spend_bundle(spend_bundle, spend_time, MAX_BLOCK_COST_CLVM)
# ensure all outputs are there
for puzzle_hash, amount in payments:
for coin in coin_db.coins_for_puzzle_hash(puzzle_hash):
if coin.amount == amount:
break
else:
assert 0
# make sure we can actually sign the solution
signatures = []
for coin_solution in spend_bundle.coin_solutions:
signature = key_lookup.signature_for_solution(coin_solution, bytes([2] * 32))
signatures.append(signature)
return SpendBundle(spend_bundle.coin_solutions, AugSchemeMPL.aggregate(signatures))
def default_payments_and_conditions(
initial_index: int, key_lookup: KeyTool
) -> Tuple[List[Tuple[bytes32, int]], Program]:
payments = [
(throwaway_puzzle_hash(initial_index + 1, key_lookup), initial_index * 1000),
(throwaway_puzzle_hash(initial_index + 2, key_lookup), (initial_index + 1) * 1000),
]
conditions = Program.to([make_create_coin_condition(ph, amount) for ph, amount in payments])
return payments, conditions
def make_create_coin_condition(puzzle_hash, amount):
return Program.to([ConditionOpcode.CREATE_COIN, puzzle_hash, amount])
class TestPuzzles(TestCase):
def test_p2_conditions(self):
key_lookup = KeyTool()
payments, conditions = default_payments_and_conditions(1, key_lookup)
puzzle = p2_conditions.puzzle_for_conditions(conditions)
solution = p2_conditions.solution_for_conditions(conditions)
do_test_spend(puzzle, solution, payments, key_lookup)
def test_p2_delegated_conditions(self):
key_lookup = KeyTool()
payments, conditions = default_payments_and_conditions(1, key_lookup)
pk = public_key_for_index(1, key_lookup)
puzzle = p2_delegated_conditions.puzzle_for_pk(pk)
solution = p2_delegated_conditions.solution_for_conditions(conditions)
do_test_spend(puzzle, solution, payments, key_lookup)
def test_p2_delegated_puzzle_simple(self):
key_lookup = KeyTool()
payments, conditions = default_payments_and_conditions(1, key_lookup)
pk = public_key_for_index(1, key_lookup)
puzzle = p2_delegated_puzzle.puzzle_for_pk(pk)
solution = p2_delegated_puzzle.solution_for_conditions(conditions)
do_test_spend(puzzle, solution, payments, key_lookup)
def test_p2_delegated_puzzle_graftroot(self):
key_lookup = KeyTool()
payments, conditions = default_payments_and_conditions(1, key_lookup)
delegated_puzzle = p2_delegated_conditions.puzzle_for_pk(public_key_for_index(8, key_lookup))
delegated_solution = p2_delegated_conditions.solution_for_conditions(conditions)
puzzle_program = p2_delegated_puzzle.puzzle_for_pk(public_key_for_index(1, key_lookup))
solution = p2_delegated_puzzle.solution_for_delegated_puzzle(delegated_puzzle, delegated_solution)
do_test_spend(puzzle_program, solution, payments, key_lookup)
def test_p2_puzzle_hash(self):
key_lookup = KeyTool()
payments, conditions = default_payments_and_conditions(1, key_lookup)
inner_puzzle = p2_delegated_conditions.puzzle_for_pk(public_key_for_index(4, key_lookup))
inner_solution = p2_delegated_conditions.solution_for_conditions(conditions)
inner_puzzle_hash = inner_puzzle.get_tree_hash()
puzzle_program = p2_puzzle_hash.puzzle_for_inner_puzzle_hash(inner_puzzle_hash)
assert puzzle_program == p2_puzzle_hash.puzzle_for_inner_puzzle(inner_puzzle)
solution = p2_puzzle_hash.solution_for_inner_puzzle_and_inner_solution(inner_puzzle, inner_solution)
do_test_spend(puzzle_program, solution, payments, key_lookup)
def test_p2_m_of_n_delegated_puzzle(self):
key_lookup = KeyTool()
payments, conditions = default_payments_and_conditions(1, key_lookup)
pks = [public_key_for_index(_, key_lookup) for _ in range(1, 6)]
M = 3
delegated_puzzle = p2_conditions.puzzle_for_conditions(conditions)
delegated_solution = []
puzzle_program = p2_m_of_n_delegate_direct.puzzle_for_m_of_public_key_list(M, pks)
selectors = [1, [], [], 1, 1]
solution = p2_m_of_n_delegate_direct.solution_for_delegated_puzzle(
M, selectors, delegated_puzzle, delegated_solution
)
do_test_spend(puzzle_program, solution, payments, key_lookup)
def test_p2_delegated_puzzle_or_hidden_puzzle_with_hidden_puzzle(self):
key_lookup = KeyTool()
payments, conditions = default_payments_and_conditions(1, key_lookup)
hidden_puzzle = p2_conditions.puzzle_for_conditions(conditions)
hidden_public_key = public_key_for_index(10, key_lookup)
puzzle = p2_delegated_puzzle_or_hidden_puzzle.puzzle_for_public_key_and_hidden_puzzle(
hidden_public_key, hidden_puzzle
)
solution = p2_delegated_puzzle_or_hidden_puzzle.solution_for_hidden_puzzle(
hidden_public_key, hidden_puzzle, Program.to(0)
)
do_test_spend(puzzle, solution, payments, key_lookup)
def do_test_spend_p2_delegated_puzzle_or_hidden_puzzle_with_delegated_puzzle(self, hidden_pub_key_index):
key_lookup = KeyTool()
payments, conditions = default_payments_and_conditions(1, key_lookup)
hidden_puzzle = p2_conditions.puzzle_for_conditions(conditions)
hidden_public_key = public_key_for_index(hidden_pub_key_index, key_lookup)
puzzle = p2_delegated_puzzle_or_hidden_puzzle.puzzle_for_public_key_and_hidden_puzzle(
hidden_public_key, hidden_puzzle
)
payable_payments, payable_conditions = default_payments_and_conditions(5, key_lookup)
delegated_puzzle = p2_conditions.puzzle_for_conditions(payable_conditions)
delegated_solution = []
synthetic_public_key = p2_delegated_puzzle_or_hidden_puzzle.calculate_synthetic_public_key(
hidden_public_key, hidden_puzzle.get_tree_hash()
)
solution = p2_delegated_puzzle_or_hidden_puzzle.solution_for_delegated_puzzle(
delegated_puzzle, delegated_solution
)
hidden_puzzle_hash = hidden_puzzle.get_tree_hash()
synthetic_offset = p2_delegated_puzzle_or_hidden_puzzle.calculate_synthetic_offset(
hidden_public_key, hidden_puzzle_hash
)
hidden_pub_key_point = G1Element.from_bytes(hidden_public_key)
assert synthetic_public_key == int_to_public_key(synthetic_offset) + hidden_pub_key_point
secret_exponent = key_lookup.get(hidden_public_key)
assert int_to_public_key(secret_exponent) == hidden_pub_key_point
synthetic_secret_exponent = secret_exponent + synthetic_offset
key_lookup.add_secret_exponents([synthetic_secret_exponent])
do_test_spend(puzzle, solution, payable_payments, key_lookup)
def test_p2_delegated_puzzle_or_hidden_puzzle_with_delegated_puzzle(self):
for hidden_pub_key_index in range(1, 10):
self.do_test_spend_p2_delegated_puzzle_or_hidden_puzzle_with_delegated_puzzle(hidden_pub_key_index)