stellar_sdk.operation.create_account 源代码

from decimal import Decimal
from typing import Union

from .operation import Operation
from .utils import check_ed25519_public_key, check_amount
from ..keypair import Keypair
from ..strkey import StrKey
from ..xdr import Xdr

[文档]class CreateAccount(Operation): """The :class:`CreateAccount` object, which represents a Create Account operation on Stellar's network. This operation creates and funds a new account with the specified starting balance. Threshold: Medium :param destination: Destination account ID to create an account for. :param starting_balance: Amount in XLM the account should be funded for. Must be greater than the `reserve balance amount <>`_. :param source: The source account for the payment. Defaults to the transaction's source account. """ def __init__( self, destination: str, starting_balance: Union[str, Decimal], source: str = None, ) -> None: super().__init__(source) check_ed25519_public_key(destination) check_amount(starting_balance) self.destination: str = destination self.starting_balance: Union[str, Decimal] = starting_balance @classmethod def type_code(cls) -> int: return Xdr.const.CREATE_ACCOUNT def _to_operation_body(self): destination = Keypair.from_public_key(self.destination).xdr_account_id() create_account_op = Xdr.types.CreateAccountOp( destination, Operation.to_xdr_amount(self.starting_balance) ) body = Xdr.nullclass() body.type = Xdr.const.CREATE_ACCOUNT body.createAccountOp = create_account_op return body
[文档] @classmethod def from_xdr_object( cls, operation_xdr_object: Xdr.types.Operation ) -> "CreateAccount": """Creates a :class:`CreateAccount` object from an XDR Operation object. """ source = Operation.get_source_from_xdr_obj(operation_xdr_object) destination = StrKey.encode_ed25519_public_key( operation_xdr_object.body.createAccountOp.destination.ed25519 ) starting_balance = Operation.from_xdr_amount( operation_xdr_object.body.createAccountOp.startingBalance ) op = cls( source=source, destination=destination, starting_balance=starting_balance ) op._source_muxed = Operation.get_source_muxed_from_xdr_obj(operation_xdr_object) return op