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How to use second_generator method in Slash

Best Python code snippet using slash

test_rom.py

Source:test_rom.py

1from unittest import TestCase2from clvm_tools import binutils3from clvm_tools.clvmc import compile_clvm_text4from fork.full_node.generator import run_generator5from fork.full_node.mempool_check_conditions import get_name_puzzle_conditions6from fork.types.blockchain_format.program import Program, SerializedProgram7from fork.types.blockchain_format.sized_bytes import bytes328from fork.types.condition_with_args import ConditionWithArgs9from fork.types.name_puzzle_condition import NPC10from fork.types.generator_types import BlockGenerator, GeneratorArg11from fork.util.clvm import int_to_bytes12from fork.util.condition_tools import ConditionOpcode13from fork.util.ints import uint3214from fork.wallet.puzzles.load_clvm import load_clvm15MAX_COST = int(1e15)16COST_PER_BYTE = int(12000)17DESERIALIZE_MOD = load_clvm("chialisp_deserialisation.clvm", package_or_requirement="fork.wallet.puzzles")18GENERATOR_CODE = """19(mod (deserialize-mod historical-generators)20    (defun first-block (deserialize-mod historical-generators)21                       (a deserialize-mod (list (f historical-generators))))22    (defun second-block (deserialize-mod historical-generators)23                        (a deserialize-mod (r historical-generators)))24    (defun go (deserialize-mod historical-generators)25    (c (first-block deserialize-mod historical-generators)26       (second-block deserialize-mod historical-generators)27    ))28    (go deserialize-mod historical-generators)29)30"""31COMPILED_GENERATOR_CODE = bytes.fromhex(32    "ff02ffff01ff04ffff02ff04ffff04ff02ffff04ff05ffff04ff0bff8080808080ffff02"33    "ff06ffff04ff02ffff04ff05ffff04ff0bff808080808080ffff04ffff01ffff02ff05ff"34    "1380ff02ff05ff2b80ff018080"35)36COMPILED_GENERATOR_CODE = bytes(Program.to(compile_clvm_text(GENERATOR_CODE, [])))37FIRST_GENERATOR = Program.to(38    binutils.assemble('((parent_id (c 1 (q "puzzle blob")) 50000 "solution is here" extra data for coin))')39).as_bin()40SECOND_GENERATOR = Program.to(binutils.assemble("(extra data for block)")).as_bin()41FIRST_GENERATOR = Program.to(42    binutils.assemble(43        """44        ((0x0000000000000000000000000000000000000000000000000000000000000000 1 5000045        ((51 0x0000000000000000000000000000000000000000000000000000000000000001 500)) "extra" "data" "for" "coin" ))"""46    )47).as_bin()48SECOND_GENERATOR = Program.to(binutils.assemble("(extra data for block)")).as_bin()49def to_sp(sexp) -> SerializedProgram:50    return SerializedProgram.from_bytes(bytes(sexp))51def block_generator() -> BlockGenerator:52    generator_args = [GeneratorArg(uint32(0), to_sp(FIRST_GENERATOR)), GeneratorArg(uint32(1), to_sp(SECOND_GENERATOR))]53    return BlockGenerator(to_sp(COMPILED_GENERATOR_CODE), generator_args)54EXPECTED_ABBREVIATED_COST = 10837955EXPECTED_COST = 11341556EXPECTED_OUTPUT = (57    "ffffffa00000000000000000000000000000000000000000000000000000000000000000"58    "ff01ff8300c350ffffff33ffa00000000000000000000000000000000000000000000000"59    "000000000000000001ff8201f48080ff856578747261ff8464617461ff83666f72ff8463"60    "6f696e8080ff856578747261ff8464617461ff83666f72ff85626c6f636b80"61)62class TestROM(TestCase):63    def test_rom_inputs(self):64        # this test checks that the generator just works65        # It's useful for debugging the generator prior to having the ROM invoke it.66        args = Program.to([DESERIALIZE_MOD, [FIRST_GENERATOR, SECOND_GENERATOR]])67        sp = to_sp(COMPILED_GENERATOR_CODE)68        cost, r = sp.run_with_cost(MAX_COST, args)69        assert cost == EXPECTED_ABBREVIATED_COST70        assert r.as_bin().hex() == EXPECTED_OUTPUT71    def test_get_name_puzzle_conditions(self):72        # this tests that extra block or coin data doesn't confuse `get_name_puzzle_conditions`73        gen = block_generator()74        cost, r = run_generator(gen, max_cost=MAX_COST)75        print(r)76        npc_result = get_name_puzzle_conditions(gen, max_cost=MAX_COST, cost_per_byte=COST_PER_BYTE, safe_mode=False)77        assert npc_result.error is None78        assert npc_result.clvm_cost == EXPECTED_COST79        cond_1 = ConditionWithArgs(ConditionOpcode.CREATE_COIN, [bytes([0] * 31 + [1]), int_to_bytes(500)])80        CONDITIONS = [81            (ConditionOpcode.CREATE_COIN, [cond_1]),82        ]83        npc = NPC(84            coin_name=bytes32.fromhex("e8538c2d14f2a7defae65c5c97f5d4fae7ee64acef7fec9d28ad847a0880fd03"),85            puzzle_hash=bytes32.fromhex("9dcf97a184f32623d11a73124ceb99a5709b083721e878a16d78f596718ba7b2"),86            conditions=CONDITIONS,87        )88        assert npc_result.npc_list == [npc]89    def test_coin_extras(self):90        # the ROM supports extra data after a coin. This test checks that it actually gets passed through91        gen = block_generator()92        cost, r = run_generator(gen, max_cost=MAX_COST)93        coin_spends = r.first()94        for coin_spend in coin_spends.as_iter():95            extra_data = coin_spend.rest().rest().rest().rest()96            self.assertEqual(extra_data.as_atom_list(), b"extra data for coin".split())97    def test_block_extras(self):98        # the ROM supports extra data after the coin spend list. This test checks that it actually gets passed through99        gen = block_generator()100        cost, r = run_generator(gen, max_cost=MAX_COST)101        extra_block_data = r.rest()...

helpers.py

Source:helpers.py

1def diff_sorted(first, second, key=None, first_label="first", second_label="second"):2    key = key or (lambda x: x)3    first_generator = iter(first)4    second_generator = iter(second)5    p = None6    q = None7    p_sent = True8    q_sent = True9    try:10        p = next(first_generator)11        p_sent = False12        q = next(second_generator)13        q_sent = False14        while True:15            k_p = key(p)16            k_q = key(q)17            if k_p == k_q:18                p_sent = True19                q_sent = True20                p = next(first_generator)21                p_sent = False22                q = next(second_generator)23                q_sent = False24            elif k_p < k_q:25                yield first_label, p26                p_sent = True27                p = next(first_generator)28                p_sent = False29            else:30                yield second_label, q31                q_sent = True32                q = next(second_generator)33                q_sent = False34    except StopIteration:35        pass36    try:37        if not p_sent:38            yield first_label, p39        while True:40            yield first_label, next(first_generator)41    except StopIteration:42        pass43    try:44        if not q_sent:45            yield second_label, q46        while True:47            yield second_label, next(second_generator)48    except StopIteration:...

test_generator_fixture.py

Source:test_generator_fixture.py

...8    @slash.generator_fixture(name='a_generator')9    def my_generator():10        yield 511    @slash.generator_fixture12    def second_generator():  # pylint: disable=unused-variable13        yield 1014    def test_something(a_generator, second_generator):15        assert a_generator == 516        assert second_generator == 1017    session = slash.Session()18    session.fixture_store.add_fixture(my_generator)19    session.fixture_store.add_fixture(second_generator)20    session.fixture_store.resolve()21    with session, session.get_started_context():22        run_tests_in_session(test_something, session=session)...

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