async def get_additions_and_removals(self, header_hash: bytes32) -> Tuple[List[CoinRecord], List[CoinRecord]]:
try:
response = await self.fetch("get_additions_and_removals", {"header_hash": header_hash.hex()})
except Exception:
return [], []
removals = []
additions = []
for coin_record in response["removals"]:
removals.append(CoinRecord.from_json_dict(coin_record))
for coin_record in response["additions"]:
additions.append(CoinRecord.from_json_dict(coin_record))
return additions, removals
async def get_coin_record_by_name(
self, coin_id: bytes32) -> Optional[CoinRecord]:
try:
response = await self.fetch("get_coin_record_by_name",
{"name": coin_id.hex()})
except Exception:
return None
return CoinRecord.from_json_dict(response["coin_record"])
async def get_coin_records_by_puzzle_hash(
self,
puzzle_hash: bytes32,
include_spent_coins: bool = True,
start_height: Optional[int] = None,
end_height: Optional[int] = None,
) -> List:
d = {"puzzle_hash": puzzle_hash.hex(), "include_spent_coins": include_spent_coins}
if start_height is not None:
d["start_height"] = start_height
if end_height is not None:
d["end_height"] = end_height
return [
CoinRecord.from_json_dict(coin)
for coin in (await self.fetch("get_coin_records_by_puzzle_hash", d))["coin_records"]
]
async def get_coin_records_by_parent_ids(
self,
parent_ids: List[bytes32],
include_spent_coins: bool = True,
start_height: Optional[int] = None,
end_height: Optional[int] = None,
) -> List:
parent_ids_hex = [pid.hex() for pid in parent_ids]
d = {"parent_ids": parent_ids_hex, "include_spent_coins": include_spent_coins}
if start_height is not None:
d["start_height"] = start_height
if end_height is not None:
d["end_height"] = end_height
return [
CoinRecord.from_json_dict(coin)
for coin in (await self.fetch("get_coin_records_by_parent_ids", d))["coin_records"]
]
async def get_coin_records_by_names(
self,
names: List[bytes32],
include_spent_coins: bool = True,
start_height: Optional[int] = None,
end_height: Optional[int] = None,
) -> List:
names_hex = [name.hex() for name in names]
d = {"names": names_hex, "include_spent_coins": include_spent_coins}
if start_height is not None:
d["start_height"] = start_height
if end_height is not None:
d["end_height"] = end_height
response = await self.fetch("get_coin_records_by_names", d)
return [
CoinRecord.from_json_dict(coin_record_dict_backwards_compat(coin))
for coin in response["coin_records"]
]