def __init__(self, db_path: Path = None) -> None:
if not db_path:
raise TypeError("Please specifiy a valid path for your database.")
try:
with catch_and_ignore_import_warning():
import plyvel # noqa: F811
except ImportError:
raise ImportError(
"LevelDB requires the plyvel library which is not available for import."
)
self.db_path = db_path
self.db = plyvel.DB(str(db_path),
create_if_missing=True,
error_if_exists=False)
ReceiptNotFound,
TransactionNotFound,
)
from eth.db.header import BaseHeaderDB, HeaderDB
from eth.db.backends.base import (
BaseAtomicDB,
BaseDB,
)
from eth.db.schema import SchemaV1
from eth.rlp.headers import (
BlockHeader, )
from eth.rlp.receipts import (Receipt)
from eth.validation import (
validate_word, )
from eth._warnings import catch_and_ignore_import_warning
with catch_and_ignore_import_warning():
import rlp
from trie import (
HexaryTrie, )
from eth_utils import (
to_list,
to_tuple,
ValidationError,
)
if TYPE_CHECKING:
from eth.rlp.blocks import ( # noqa: F401
BaseBlock, BaseTransaction)
class TransactionKey(rlp.Serializable):
