Exemplo n.º 1
0
def test_spend_zero_coin(mod_code: Program, coin_checker_for_farmed_coin):
    """
    Test to spend ccs from a farmed coin to a cc genesis coin, then to N outputs,
    then joining back down to two outputs.
    """

    eve_inner_puzzle = ANYONE_CAN_SPEND_PUZZLE
    eve_inner_puzzle_hash = eve_inner_puzzle.get_tree_hash()

    total_minted = 0x111

    genesis_coin_checker, spend_bundle = issue_cc_from_farmed_coin(
        mod_code, coin_checker_for_farmed_coin, 1, eve_inner_puzzle_hash,
        total_minted)

    puzzles_for_db = [
        cc_puzzle_for_inner_puzzle(mod_code, genesis_coin_checker,
                                   eve_inner_puzzle)
    ]
    add_puzzles_to_puzzle_preimage_db(puzzles_for_db)

    eve_cc_list = []
    for _ in spend_bundle.coin_solutions:
        eve_cc_list.extend(
            spendable_cc_list_from_coin_solution(_, hash_to_puzzle_f))
    assert len(eve_cc_list) == 1
    eve_cc_spendable = eve_cc_list[0]

    # farm regular chia

    farmed_coin = generate_farmed_coin(2, eve_inner_puzzle_hash, amount=500)

    # create a zero cc from this farmed coin

    wrapped_cc_puzzle_hash = cc_puzzle_hash_for_inner_puzzle_hash(
        mod_code, genesis_coin_checker, eve_inner_puzzle_hash)

    solution = solution_for_pay_to_any([(wrapped_cc_puzzle_hash, 0)])
    reveal_w_solution = Program.to([ANYONE_CAN_SPEND_PUZZLE, solution])
    coin_solution = CoinSolution(farmed_coin, reveal_w_solution)
    spendable_cc_list = spendable_cc_list_from_coin_solution(
        coin_solution, hash_to_puzzle_f)
    assert len(spendable_cc_list) == 1
    zero_cc_spendable = spendable_cc_list[0]

    # we have our zero coin
    # now try to spend it

    spendable_cc_list = [eve_cc_spendable, zero_cc_spendable]
    inner_solutions = [
        solution_for_pay_to_any([]),
        solution_for_pay_to_any([(wrapped_cc_puzzle_hash,
                                  eve_cc_spendable.coin.amount)]),
    ]
    spend_bundle = spend_bundle_for_spendable_ccs(mod_code,
                                                  genesis_coin_checker,
                                                  spendable_cc_list,
                                                  inner_solutions)
    debug_spend_bundle(spend_bundle)
Exemplo n.º 2
0
def test_spend_through_n(mod_code, coin_checker_for_farmed_coin, n):
    """
    Test to spend ccs from a farmed coin to a cc genesis coin, then to N outputs,
    then joining back down to two outputs.
    """

    ################################

    # spend from a farmed coin to a cc genesis coin

    # get a farmed coin

    eve_inner_puzzle = ANYONE_CAN_SPEND_PUZZLE
    eve_inner_puzzle_hash = eve_inner_puzzle.get_tree_hash()

    # generate output values [0x100, 0x200, ...]

    output_values = [0x100 + 0x100 * _ for _ in range(n)]
    total_minted = sum(output_values)

    genesis_coin_checker, spend_bundle = issue_cc_from_farmed_coin(
        mod_code, coin_checker_for_farmed_coin, 1, eve_inner_puzzle_hash,
        total_minted)

    # hack the wrapped puzzles into the PUZZLE_TABLE DB

    puzzles_for_db = [
        cc_puzzle_for_inner_puzzle(mod_code, genesis_coin_checker,
                                   eve_inner_puzzle)
    ]
    add_puzzles_to_puzzle_preimage_db(puzzles_for_db)

    debug_spend_bundle(spend_bundle)

    ################################

    # collect up the spendable coins

    spendable_cc_list = []
    for coin_solution in spend_bundle.coin_solutions:
        spendable_cc_list.extend(
            spendable_cc_list_from_coin_solution(coin_solution,
                                                 hash_to_puzzle_f))

    # now spend the genesis coin cc to N outputs

    output_conditions = solution_for_pay_to_any([(eve_inner_puzzle_hash, _)
                                                 for _ in output_values])
    inner_puzzle_solution = Program.to(output_conditions)

    spend_bundle = spend_bundle_for_spendable_ccs(
        mod_code,
        genesis_coin_checker,
        spendable_cc_list,
        [inner_puzzle_solution],
    )

    debug_spend_bundle(spend_bundle)

    ################################

    # collect up the spendable coins

    spendable_cc_list = []
    for coin_solution in spend_bundle.coin_solutions:
        spendable_cc_list.extend(
            spendable_cc_list_from_coin_solution(coin_solution,
                                                 hash_to_puzzle_f))

    # now spend N inputs to two outputs

    output_amounts = ([0] * (n - 2)) + [0x1, total_minted - 1]

    inner_solutions = [
        solution_for_pay_to_any([(eve_inner_puzzle_hash,
                                  amount)] if amount else [])
        for amount in output_amounts
    ]

    spend_bundle = spend_bundle_for_spendable_ccs(
        mod_code,
        genesis_coin_checker,
        spendable_cc_list,
        inner_solutions,
    )

    debug_spend_bundle(spend_bundle)