from typing import Optional
from .operation import Operation
from .utils import check_ed25519_public_key
from ..keypair import Keypair
from ..utils import parse_ed25519_account_id_from_muxed_account_xdr_object
from ..xdr import Xdr
[文档]class AccountMerge(Operation):
"""The :class:`AccountMerge` object, which represents a
AccountMerge operation on Stellar's network.
Transfers the native balance (the amount of XLM an account holds) to
another account and removes the source account from the ledger.
Threshold: High
:param destination: Destination to merge the source account into.
:param source: The source account (defaults to transaction source).
"""
def __init__(self, destination: str, source: str = None,) -> None:
super().__init__(source)
check_ed25519_public_key(destination)
self._destination: str = destination
self._destination_muxed: Optional[Xdr.types.MuxedAccount] = None
@property
def destination(self) -> str:
return self._destination
@destination.setter
def destination(self, value: str):
check_ed25519_public_key(value)
self._destination_muxed = None
self._destination = value
@classmethod
def type_code(cls) -> int:
return Xdr.const.ACCOUNT_MERGE
def _to_operation_body(self) -> Xdr.nullclass:
if self._destination_muxed is not None:
destination = self._destination_muxed
else:
destination = Keypair.from_public_key(self._destination).xdr_muxed_account()
body = Xdr.nullclass()
body.type = Xdr.const.ACCOUNT_MERGE
body.destination = destination
return body
[文档] @classmethod
def from_xdr_object(
cls, operation_xdr_object: Xdr.types.Operation
) -> "AccountMerge":
"""Creates a :class:`AccountMerge` object from an XDR Operation
object.
"""
source = Operation.get_source_from_xdr_obj(operation_xdr_object)
destination = parse_ed25519_account_id_from_muxed_account_xdr_object(
operation_xdr_object.body.destination
)
op = cls(source=source, destination=destination)
op._destination_muxed = operation_xdr_object.body.destination
op._source_muxed = Operation.get_source_muxed_from_xdr_obj(operation_xdr_object)
return op