async def get_current_state(self) -> PoolWalletInfo:
history: List[Tuple[uint32,
CoinSpend]] = await self.get_spend_history()
all_spends: List[CoinSpend] = [cs for _, cs in history]
# We must have at least the launcher spend
assert len(all_spends) >= 1
launcher_coin: Coin = all_spends[0].coin
delayed_seconds, delayed_puzhash = get_delayed_puz_info_from_launcher_spend(
all_spends[0])
tip_singleton_coin: Optional[
Coin] = get_most_recent_singleton_coin_from_coin_spend(
all_spends[-1])
launcher_id: bytes32 = launcher_coin.name()
p2_singleton_puzzle_hash = launcher_id_to_p2_puzzle_hash(
launcher_id, delayed_seconds, delayed_puzhash)
assert tip_singleton_coin is not None
curr_spend_i = len(all_spends) - 1
extra_data: Optional[PoolState] = None
last_singleton_spend_height = uint32(0)
while extra_data is None:
full_spend: CoinSpend = all_spends[curr_spend_i]
extra_data = solution_to_extra_data(full_spend)
last_singleton_spend_height = uint32(history[curr_spend_i][0])
curr_spend_i -= 1
assert extra_data is not None
current_inner = pool_state_to_inner_puzzle(
extra_data,
launcher_coin.name(),
self.wallet_state_manager.constants.GENESIS_CHALLENGE,
delayed_seconds,
delayed_puzhash,
)
return PoolWalletInfo(
extra_data,
self.target_state,
launcher_coin,
launcher_id,
p2_singleton_puzzle_hash,
current_inner,
tip_singleton_coin.name(),
last_singleton_spend_height,
)
def test_pool_lifecycle(self):
# START TESTS
# Generate starting info
key_lookup = KeyTool()
sk: PrivateKey = PrivateKey.from_bytes(
secret_exponent_for_index(1).to_bytes(32, "big"), )
pk: G1Element = G1Element.from_bytes(
public_key_for_index(1, key_lookup))
starting_puzzle: Program = puzzle_for_pk(pk)
starting_ph: bytes32 = starting_puzzle.get_tree_hash()
# Get our starting standard coin created
START_AMOUNT: uint64 = 1023
coin_db = CoinStore()
time = CoinTimestamp(10000000, 1)
coin_db.farm_coin(starting_ph, time, START_AMOUNT)
starting_coin: Coin = next(coin_db.all_unspent_coins())
# LAUNCHING
# Create the escaping inner puzzle
GENESIS_CHALLENGE = bytes32.fromhex(
"ccd5bb71183532bff220ba46c268991a3ff07eb358e8255a65c30a2dce0e5fbb")
launcher_coin = singleton_top_layer.generate_launcher_coin(
starting_coin,
START_AMOUNT,
)
DELAY_TIME = uint64(60800)
DELAY_PH = starting_ph
launcher_id = launcher_coin.name()
relative_lock_height: uint32 = uint32(5000)
# use a dummy pool state
pool_state = PoolState(
owner_pubkey=pk,
pool_url="",
relative_lock_height=relative_lock_height,
state=3, # farming to pool
target_puzzle_hash=starting_ph,
version=1,
)
# create a new dummy pool state for travelling
target_pool_state = PoolState(
owner_pubkey=pk,
pool_url="",
relative_lock_height=relative_lock_height,
state=2, # Leaving pool
target_puzzle_hash=starting_ph,
version=1,
)
# Standard format comment
comment = Program.to([("p", bytes(pool_state)), ("t", DELAY_TIME),
("h", DELAY_PH)])
pool_wr_innerpuz: bytes32 = create_waiting_room_inner_puzzle(
starting_ph,
relative_lock_height,
pk,
launcher_id,
GENESIS_CHALLENGE,
DELAY_TIME,
DELAY_PH,
)
pool_wr_inner_hash = pool_wr_innerpuz.get_tree_hash()
pooling_innerpuz: Program = create_pooling_inner_puzzle(
starting_ph,
pool_wr_inner_hash,
pk,
launcher_id,
GENESIS_CHALLENGE,
DELAY_TIME,
DELAY_PH,
)
# Driver tests
assert is_pool_singleton_inner_puzzle(pooling_innerpuz)
assert is_pool_singleton_inner_puzzle(pool_wr_innerpuz)
assert get_pubkey_from_member_inner_puzzle(pooling_innerpuz) == pk
# Generating launcher information
conditions, launcher_coinsol = singleton_top_layer.launch_conditions_and_coinsol(
starting_coin, pooling_innerpuz, comment, START_AMOUNT)
# Creating solution for standard transaction
delegated_puzzle: Program = puzzle_for_conditions(conditions)
full_solution: Program = solution_for_conditions(conditions)
starting_coinsol = CoinSolution(
starting_coin,
starting_puzzle,
full_solution,
)
# Create the spend bundle
sig: G2Element = sign_delegated_puz(delegated_puzzle, starting_coin)
spend_bundle = SpendBundle(
[starting_coinsol, launcher_coinsol],
sig,
)
# Spend it!
coin_db.update_coin_store_for_spend_bundle(
spend_bundle,
time,
DEFAULT_CONSTANTS.MAX_BLOCK_COST_CLVM,
)
# Test that we can retrieve the extra data
assert get_delayed_puz_info_from_launcher_spend(launcher_coinsol) == (
DELAY_TIME, DELAY_PH)
assert solution_to_extra_data(launcher_coinsol) == pool_state
# TEST TRAVEL AFTER LAUNCH
# fork the state
fork_coin_db: CoinStore = copy.deepcopy(coin_db)
post_launch_coinsol, _ = create_travel_spend(
launcher_coinsol,
launcher_coin,
pool_state,
target_pool_state,
GENESIS_CHALLENGE,
DELAY_TIME,
DELAY_PH,
)
# Spend it!
fork_coin_db.update_coin_store_for_spend_bundle(
SpendBundle([post_launch_coinsol], G2Element()),
time,
DEFAULT_CONSTANTS.MAX_BLOCK_COST_CLVM,
)
# HONEST ABSORB
time = CoinTimestamp(10000030, 2)
# create the farming reward
p2_singleton_puz: Program = create_p2_singleton_puzzle(
SINGLETON_MOD_HASH,
launcher_id,
DELAY_TIME,
DELAY_PH,
)
p2_singleton_ph: bytes32 = p2_singleton_puz.get_tree_hash()
assert uncurry_pool_waitingroom_inner_puzzle(pool_wr_innerpuz) == (
starting_ph,
relative_lock_height,
pk,
p2_singleton_ph,
)
assert launcher_id_to_p2_puzzle_hash(launcher_id, DELAY_TIME,
DELAY_PH) == p2_singleton_ph
assert get_seconds_and_delayed_puzhash_from_p2_singleton_puzzle(
p2_singleton_puz) == (DELAY_TIME, DELAY_PH)
coin_db.farm_coin(p2_singleton_ph, time, 1750000000000)
coin_sols: List[CoinSolution] = create_absorb_spend(
launcher_coinsol,
pool_state,
launcher_coin,
2,
GENESIS_CHALLENGE,
DELAY_TIME,
DELAY_PH, # height
)
# Spend it!
coin_db.update_coin_store_for_spend_bundle(
SpendBundle(coin_sols, G2Element()),
time,
DEFAULT_CONSTANTS.MAX_BLOCK_COST_CLVM,
)
# ABSORB A NON EXISTENT REWARD (Negative test)
last_coinsol: CoinSolution = list(
filter(
lambda e: e.coin.amount == START_AMOUNT,
coin_sols,
))[0]
coin_sols: List[CoinSolution] = create_absorb_spend(
last_coinsol,
pool_state,
launcher_coin,
2,
GENESIS_CHALLENGE,
DELAY_TIME,
DELAY_PH, # height
)
# filter for only the singleton solution
singleton_coinsol: CoinSolution = list(
filter(
lambda e: e.coin.amount == START_AMOUNT,
coin_sols,
))[0]
# Spend it and hope it fails!
try:
coin_db.update_coin_store_for_spend_bundle(
SpendBundle([singleton_coinsol], G2Element()),
time,
DEFAULT_CONSTANTS.MAX_BLOCK_COST_CLVM,
)
except BadSpendBundleError as e:
assert str(
e
) == "condition validation failure Err.ASSERT_ANNOUNCE_CONSUMED_FAILED"
# SPEND A NON-REWARD P2_SINGLETON (Negative test)
# create the dummy coin
non_reward_p2_singleton = Coin(
bytes32(32 * b"3"),
p2_singleton_ph,
uint64(1337),
)
coin_db._add_coin_entry(non_reward_p2_singleton, time)
# construct coin solution for the p2_singleton coin
bad_coinsol = CoinSolution(
non_reward_p2_singleton,
p2_singleton_puz,
Program.to([
pooling_innerpuz.get_tree_hash(),
non_reward_p2_singleton.name(),
]),
)
# Spend it and hope it fails!
try:
coin_db.update_coin_store_for_spend_bundle(
SpendBundle([singleton_coinsol, bad_coinsol], G2Element()),
time,
DEFAULT_CONSTANTS.MAX_BLOCK_COST_CLVM,
)
except BadSpendBundleError as e:
assert str(
e
) == "condition validation failure Err.ASSERT_ANNOUNCE_CONSUMED_FAILED"
# ENTER WAITING ROOM
# find the singleton
singleton = get_most_recent_singleton_coin_from_coin_solution(
last_coinsol)
# get the relevant coin solution
travel_coinsol, _ = create_travel_spend(
last_coinsol,
launcher_coin,
pool_state,
target_pool_state,
GENESIS_CHALLENGE,
DELAY_TIME,
DELAY_PH,
)
# Test that we can retrieve the extra data
assert solution_to_extra_data(travel_coinsol) == target_pool_state
# sign the serialized state
data = Program.to(bytes(target_pool_state)).get_tree_hash()
sig: G2Element = AugSchemeMPL.sign(
sk,
(data + singleton.name() +
DEFAULT_CONSTANTS.AGG_SIG_ME_ADDITIONAL_DATA),
)
# Spend it!
coin_db.update_coin_store_for_spend_bundle(
SpendBundle([travel_coinsol], sig),
time,
DEFAULT_CONSTANTS.MAX_BLOCK_COST_CLVM,
)
# ESCAPE TOO FAST (Negative test)
# find the singleton
singleton = get_most_recent_singleton_coin_from_coin_solution(
travel_coinsol)
# get the relevant coin solution
return_coinsol, _ = create_travel_spend(
travel_coinsol,
launcher_coin,
target_pool_state,
pool_state,
GENESIS_CHALLENGE,
DELAY_TIME,
DELAY_PH,
)
# sign the serialized target state
sig = AugSchemeMPL.sign(
sk,
(data + singleton.name() +
DEFAULT_CONSTANTS.AGG_SIG_ME_ADDITIONAL_DATA),
)
# Spend it and hope it fails!
try:
coin_db.update_coin_store_for_spend_bundle(
SpendBundle([return_coinsol], sig),
time,
DEFAULT_CONSTANTS.MAX_BLOCK_COST_CLVM,
)
except BadSpendBundleError as e:
assert str(
e
) == "condition validation failure Err.ASSERT_HEIGHT_RELATIVE_FAILED"
# ABSORB WHILE IN WAITING ROOM
time = CoinTimestamp(10000060, 3)
# create the farming reward
coin_db.farm_coin(p2_singleton_ph, time, 1750000000000)
# generate relevant coin solutions
coin_sols: List[CoinSolution] = create_absorb_spend(
travel_coinsol,
target_pool_state,
launcher_coin,
3,
GENESIS_CHALLENGE,
DELAY_TIME,
DELAY_PH, # height
)
# Spend it!
coin_db.update_coin_store_for_spend_bundle(
SpendBundle(coin_sols, G2Element()),
time,
DEFAULT_CONSTANTS.MAX_BLOCK_COST_CLVM,
)
# LEAVE THE WAITING ROOM
time = CoinTimestamp(20000000, 10000)
# find the singleton
singleton_coinsol: CoinSolution = list(
filter(
lambda e: e.coin.amount == START_AMOUNT,
coin_sols,
))[0]
singleton: Coin = get_most_recent_singleton_coin_from_coin_solution(
singleton_coinsol)
# get the relevant coin solution
return_coinsol, _ = create_travel_spend(
singleton_coinsol,
launcher_coin,
target_pool_state,
pool_state,
GENESIS_CHALLENGE,
DELAY_TIME,
DELAY_PH,
)
# Test that we can retrieve the extra data
assert solution_to_extra_data(return_coinsol) == pool_state
# sign the serialized target state
data = Program.to([
pooling_innerpuz.get_tree_hash(), START_AMOUNT,
bytes(pool_state)
]).get_tree_hash()
sig: G2Element = AugSchemeMPL.sign(
sk,
(data + singleton.name() +
DEFAULT_CONSTANTS.AGG_SIG_ME_ADDITIONAL_DATA),
)
# Spend it!
coin_db.update_coin_store_for_spend_bundle(
SpendBundle([return_coinsol], sig),
time,
DEFAULT_CONSTANTS.MAX_BLOCK_COST_CLVM,
)
# ABSORB ONCE MORE FOR GOOD MEASURE
time = CoinTimestamp(20000000, 10005)
# create the farming reward
coin_db.farm_coin(p2_singleton_ph, time, 1750000000000)
coin_sols: List[CoinSolution] = create_absorb_spend(
return_coinsol,
pool_state,
launcher_coin,
10005,
GENESIS_CHALLENGE,
DELAY_TIME,
DELAY_PH, # height
)
# Spend it!
coin_db.update_coin_store_for_spend_bundle(
SpendBundle(coin_sols, G2Element()),
time,
DEFAULT_CONSTANTS.MAX_BLOCK_COST_CLVM,
)
async def claim_pool_rewards(self, fee: uint64) -> TransactionRecord:
# Search for p2_puzzle_hash coins, and spend them with the singleton
if await self.have_unconfirmed_transaction():
raise ValueError(
"Cannot claim due to unconfirmed transaction. If this is stuck, delete the unconfirmed transaction."
)
unspent_coin_records: List[CoinRecord] = list(
await self.wallet_state_manager.coin_store.get_unspent_coins_for_wallet(self.wallet_id)
)
if len(unspent_coin_records) == 0:
raise ValueError("Nothing to claim, no transactions to p2_singleton_puzzle_hash")
farming_rewards: List[TransactionRecord] = await self.wallet_state_manager.tx_store.get_farming_rewards()
coin_to_height_farmed: Dict[Coin, uint32] = {}
for tx_record in farming_rewards:
height_farmed: Optional[uint32] = tx_record.height_farmed(
self.wallet_state_manager.constants.GENESIS_CHALLENGE
)
assert height_farmed is not None
coin_to_height_farmed[tx_record.additions[0]] = height_farmed
history: List[Tuple[uint32, CoinSpend]] = await self.get_spend_history()
assert len(history) > 0
delayed_seconds, delayed_puzhash = get_delayed_puz_info_from_launcher_spend(history[0][1])
current_state: PoolWalletInfo = await self.get_current_state()
last_solution: CoinSpend = history[-1][1]
all_spends: List[CoinSpend] = []
total_amount = 0
for coin_record in unspent_coin_records:
if coin_record.coin not in coin_to_height_farmed:
continue
if len(all_spends) >= 100:
# Limit the total number of spends, so it fits into the block
break
absorb_spend: List[CoinSpend] = create_absorb_spend(
last_solution,
current_state.current,
current_state.launcher_coin,
coin_to_height_farmed[coin_record.coin],
self.wallet_state_manager.constants.GENESIS_CHALLENGE,
delayed_seconds,
delayed_puzhash,
)
last_solution = absorb_spend[0]
all_spends += absorb_spend
total_amount += coin_record.coin.amount
self.log.info(
f"Farmer coin: {coin_record.coin} {coin_record.coin.name()} {coin_to_height_farmed[coin_record.coin]}"
)
if len(all_spends) == 0:
raise ValueError("Nothing to claim, no unspent coinbase rewards")
# No signatures are required to absorb
spend_bundle: SpendBundle = SpendBundle(all_spends, G2Element())
absorb_transaction: TransactionRecord = TransactionRecord(
confirmed_at_height=uint32(0),
created_at_time=uint64(int(time.time())),
to_puzzle_hash=current_state.current.target_puzzle_hash,
amount=uint64(total_amount),
fee_amount=fee,
confirmed=False,
sent=uint32(0),
spend_bundle=spend_bundle,
additions=spend_bundle.additions(),
removals=spend_bundle.removals(),
wallet_id=uint32(self.wallet_id),
sent_to=[],
memos=[],
trade_id=None,
type=uint32(TransactionType.OUTGOING_TX.value),
name=spend_bundle.name(),
)
await self.wallet_state_manager.add_pending_transaction(absorb_transaction)
return absorb_transaction
async def generate_travel_transaction(self, fee: uint64) -> TransactionRecord:
# target_state is contained within pool_wallet_state
pool_wallet_info: PoolWalletInfo = await self.get_current_state()
spend_history = await self.get_spend_history()
last_coin_spend: CoinSpend = spend_history[-1][1]
delayed_seconds, delayed_puzhash = get_delayed_puz_info_from_launcher_spend(spend_history[0][1])
assert pool_wallet_info.target is not None
next_state = pool_wallet_info.target
if pool_wallet_info.current.state in [FARMING_TO_POOL]:
next_state = create_pool_state(
LEAVING_POOL,
pool_wallet_info.current.target_puzzle_hash,
pool_wallet_info.current.owner_pubkey,
pool_wallet_info.current.pool_url,
pool_wallet_info.current.relative_lock_height,
)
new_inner_puzzle = pool_state_to_inner_puzzle(
next_state,
pool_wallet_info.launcher_coin.name(),
self.wallet_state_manager.constants.GENESIS_CHALLENGE,
delayed_seconds,
delayed_puzhash,
)
new_full_puzzle: SerializedProgram = SerializedProgram.from_program(
create_full_puzzle(new_inner_puzzle, pool_wallet_info.launcher_coin.name())
)
outgoing_coin_spend, inner_puzzle = create_travel_spend(
last_coin_spend,
pool_wallet_info.launcher_coin,
pool_wallet_info.current,
next_state,
self.wallet_state_manager.constants.GENESIS_CHALLENGE,
delayed_seconds,
delayed_puzhash,
)
tip = (await self.get_tip())[1]
tip_coin = tip.coin
singleton = tip.additions()[0]
singleton_id = singleton.name()
assert outgoing_coin_spend.coin.parent_coin_info == tip_coin.name()
assert outgoing_coin_spend.coin.name() == singleton_id
assert new_inner_puzzle != inner_puzzle
if is_pool_member_inner_puzzle(inner_puzzle):
(
inner_f,
target_puzzle_hash,
p2_singleton_hash,
pubkey_as_program,
pool_reward_prefix,
escape_puzzle_hash,
) = uncurry_pool_member_inner_puzzle(inner_puzzle)
pk_bytes: bytes = bytes(pubkey_as_program.as_atom())
assert len(pk_bytes) == 48
owner_pubkey = G1Element.from_bytes(pk_bytes)
assert owner_pubkey == pool_wallet_info.current.owner_pubkey
elif is_pool_waitingroom_inner_puzzle(inner_puzzle):
(
target_puzzle_hash, # payout_puzzle_hash
relative_lock_height,
owner_pubkey,
p2_singleton_hash,
) = uncurry_pool_waitingroom_inner_puzzle(inner_puzzle)
pk_bytes = bytes(owner_pubkey.as_atom())
assert len(pk_bytes) == 48
assert owner_pubkey == pool_wallet_info.current.owner_pubkey
else:
raise RuntimeError("Invalid state")
signed_spend_bundle = await self.sign(outgoing_coin_spend)
assert signed_spend_bundle.removals()[0].puzzle_hash == singleton.puzzle_hash
assert signed_spend_bundle.removals()[0].name() == singleton.name()
assert signed_spend_bundle is not None
tx_record = TransactionRecord(
confirmed_at_height=uint32(0),
created_at_time=uint64(int(time.time())),
to_puzzle_hash=new_full_puzzle.get_tree_hash(),
amount=uint64(1),
fee_amount=fee,
confirmed=False,
sent=uint32(0),
spend_bundle=signed_spend_bundle,
additions=signed_spend_bundle.additions(),
removals=signed_spend_bundle.removals(),
wallet_id=self.id(),
sent_to=[],
trade_id=None,
memos=[],
type=uint32(TransactionType.OUTGOING_TX.value),
name=signed_spend_bundle.name(),
)
return tx_record
async def add_farmer(self, request: PostFarmerRequest) -> Dict:
async with self.store.lock:
farmer_record: Optional[
FarmerRecord] = await self.store.get_farmer_record(
request.payload.launcher_id)
if farmer_record is not None:
return error_dict(
PoolErrorCode.FARMER_ALREADY_KNOWN,
f"Farmer with launcher_id {request.payload.launcher_id} already known.",
)
singleton_state_tuple: Optional[Tuple[
CoinSolution,
PoolState]] = await self.get_and_validate_singleton_state(
request.payload.launcher_id)
if singleton_state_tuple is None:
return error_dict(PoolErrorCode.INVALID_SINGLETON,
f"Invalid singleton, or not a pool member")
last_spend, last_state = singleton_state_tuple
if (request.payload.suggested_difficulty is None
or request.payload.suggested_difficulty <
self.min_difficulty):
difficulty: uint64 = self.default_difficulty
else:
difficulty = request.payload.suggested_difficulty
if len(hexstr_to_bytes(request.payload.payout_instructions)) != 32:
return error_dict(
PoolErrorCode.INVALID_PAYOUT_INSTRUCTIONS,
f"Payout instructions must be an xch address for this pool.",
)
if not AugSchemeMPL.verify(last_state.owner_pubkey,
request.payload.get_hash(),
request.signature):
return error_dict(PoolErrorCode.INVALID_SIGNATURE,
f"Invalid signature")
launcher_coin: Optional[
CoinRecord] = await self.node_rpc_client.get_coin_record_by_name(
request.payload.launcher_id)
assert launcher_coin is not None and launcher_coin.spent
launcher_solution: Optional[CoinSolution] = await get_coin_spend(
self.node_rpc_client, launcher_coin)
delay_time, delay_puzzle_hash = get_delayed_puz_info_from_launcher_spend(
launcher_solution)
if delay_time < 3600:
return error_dict(
PoolErrorCode.DELAY_TIME_TOO_SHORT,
f"Delay time too short, must be at least 1 hour")
p2_singleton_puzzle_hash = launcher_id_to_p2_puzzle_hash(
request.payload.launcher_id, delay_time, delay_puzzle_hash)
farmer_record = FarmerRecord(
request.payload.launcher_id,
p2_singleton_puzzle_hash,
delay_time,
delay_puzzle_hash,
request.payload.authentication_public_key,
last_spend,
last_state,
uint64(0),
difficulty,
request.payload.payout_instructions,
True,
)
self.scan_p2_singleton_puzzle_hashes.add(p2_singleton_puzzle_hash)
await self.store.add_farmer_record(farmer_record)
return PostFarmerResponse(self.welcome_message).to_json_dict()
async def get_singleton_state(
node_rpc_client: FullNodeRpcClient,
launcher_id: bytes32,
farmer_record: Optional[FarmerRecord],
peak_height: uint32,
confirmation_security_threshold: int,
genesis_challenge: bytes32,
) -> Optional[Tuple[CoinSolution, PoolState, PoolState]]:
try:
if farmer_record is None:
launcher_coin: Optional[
CoinRecord] = await node_rpc_client.get_coin_record_by_name(
launcher_id)
if launcher_coin is None:
log.warning(f"Can not find genesis coin {launcher_id}")
return None
if not launcher_coin.spent:
log.warning(f"Genesis coin {launcher_id} not spent")
return None
last_solution: Optional[CoinSolution] = await get_coin_spend(
node_rpc_client, launcher_coin)
delay_time, delay_puzzle_hash = get_delayed_puz_info_from_launcher_spend(
last_solution)
saved_state = solution_to_extra_data(last_solution)
assert last_solution is not None and saved_state is not None
else:
last_solution = farmer_record.singleton_tip
saved_state = farmer_record.singleton_tip_state
delay_time = farmer_record.delay_time
delay_puzzle_hash = farmer_record.delay_puzzle_hash
saved_solution = last_solution
last_not_none_state: PoolState = saved_state
assert last_solution is not None
last_coin_record: Optional[
CoinRecord] = await node_rpc_client.get_coin_record_by_name(
last_solution.coin.name())
assert last_coin_record is not None
while True:
# Get next coin solution
next_coin: Optional[
Coin] = get_most_recent_singleton_coin_from_coin_solution(
last_solution)
if next_coin is None:
# This means the singleton is invalid
return None
next_coin_record: Optional[
CoinRecord] = await node_rpc_client.get_coin_record_by_name(
next_coin.name())
assert next_coin_record is not None
if not next_coin_record.spent:
if not await validate_puzzle_hash(
launcher_id,
delay_puzzle_hash,
delay_time,
last_not_none_state,
next_coin_record.coin.puzzle_hash,
genesis_challenge,
):
log.warning(
f"Invalid singleton puzzle_hash for {launcher_id}")
return None
break
last_solution: Optional[CoinSolution] = await get_coin_spend(
node_rpc_client, next_coin_record)
assert last_solution is not None
pool_state: Optional[PoolState] = solution_to_extra_data(
last_solution)
if pool_state is not None:
last_not_none_state = pool_state
if peak_height - confirmation_security_threshold >= next_coin_record.spent_block_index:
# There is a state transition, and it is sufficiently buried
saved_solution = last_solution
saved_state = last_not_none_state
return saved_solution, saved_state, last_not_none_state
except Exception as e:
log.error(f"Error getting singleton: {e}")
return None