stellar_sdk.time_bounds 源代码

from .xdr import Xdr
from .exceptions import ValueError

__all__ = ["TimeBounds"]

[文档]class TimeBounds: """TimeBounds represents the time interval that a transaction is valid. The UNIX timestamp (in seconds), determined by ledger time, of a lower and upper bound of when this transaction will be valid. If a transaction is submitted too early or too late, it will fail to make it into the transaction set. **max_time** equal 0 means that it’s not set. See `Stellar's documentation on Transactions <>`__ for more information on how TimeBounds are used within transactions. :param min_time: the UNIX timestamp (in seconds) :param max_time: the UNIX timestamp (in seconds) :raises: :exc:`ValueError <stellar_sdk.exceptions.ValueError>`: if ``max_time`` less than ``min_time``. """ def __init__(self, min_time: int, max_time: int) -> None: if min_time < 0: raise ValueError("min_time cannot be negative.") if max_time < 0: raise ValueError("max_time cannot be negative.") if 0 < max_time < min_time: raise ValueError("max_time must be >= min_time.") self.min_time: int = min_time self.max_time: int = max_time
[文档] def to_xdr_object(self) -> Xdr.types.TimeBounds: """Returns the xdr object for this TimeBounds object. :return: XDR TimeBounds object """ return Xdr.types.TimeBounds(minTime=self.min_time, maxTime=self.max_time)
[文档] @classmethod def from_xdr_object( cls, time_bounds_xdr_object: Xdr.types.TimeBounds ) -> "TimeBounds": """Create a :class:`TimeBounds` from an XDR TimeBounds object. :param time_bounds_xdr_object: The XDR TimeBounds object. :return: A new :class:`TimeBounds` object from the given XDR TimeBounds object. """ return cls( min_time=time_bounds_xdr_object.minTime, max_time=time_bounds_xdr_object.maxTime, )
def __eq__(self, other: object) -> bool: if not isinstance(other, self.__class__): return NotImplemented # pragma: no cover return self.min_time == other.min_time and self.max_time == other.max_time def __str__(self): return f"<TimeBounds [min_time={self.min_time}, max_time={self.max_time}]>"