# This is an automatically generated file.
# DO NOT EDIT or your changes may be overwritten
import base64
from typing import List
from xdrlib import Packer, Unpacker
from ..type_checked import type_checked
from .ledger_scp_messages import LedgerSCPMessages
from .scp_quorum_set import SCPQuorumSet
__all__ = ["SCPHistoryEntryV0"]
[docs]@type_checked
class SCPHistoryEntryV0:
"""
XDR Source Code::
struct SCPHistoryEntryV0
{
SCPQuorumSet quorumSets<>; // additional quorum sets used by ledgerMessages
LedgerSCPMessages ledgerMessages;
};
"""
def __init__(
self,
quorum_sets: List[SCPQuorumSet],
ledger_messages: LedgerSCPMessages,
) -> None:
if quorum_sets and len(quorum_sets) > 4294967295:
raise ValueError(
f"The maximum length of `quorum_sets` should be 4294967295, but got {len(quorum_sets)}."
)
self.quorum_sets = quorum_sets
self.ledger_messages = ledger_messages
def pack(self, packer: Packer) -> None:
packer.pack_uint(len(self.quorum_sets))
for quorum_sets_item in self.quorum_sets:
quorum_sets_item.pack(packer)
self.ledger_messages.pack(packer)
@classmethod
def unpack(cls, unpacker: Unpacker) -> "SCPHistoryEntryV0":
length = unpacker.unpack_uint()
quorum_sets = []
for _ in range(length):
quorum_sets.append(SCPQuorumSet.unpack(unpacker))
ledger_messages = LedgerSCPMessages.unpack(unpacker)
return cls(
quorum_sets=quorum_sets,
ledger_messages=ledger_messages,
)
def to_xdr_bytes(self) -> bytes:
packer = Packer()
self.pack(packer)
return packer.get_buffer()
@classmethod
def from_xdr_bytes(cls, xdr: bytes) -> "SCPHistoryEntryV0":
unpacker = Unpacker(xdr)
return cls.unpack(unpacker)
def to_xdr(self) -> str:
xdr_bytes = self.to_xdr_bytes()
return base64.b64encode(xdr_bytes).decode()
@classmethod
def from_xdr(cls, xdr: str) -> "SCPHistoryEntryV0":
xdr_bytes = base64.b64decode(xdr.encode())
return cls.from_xdr_bytes(xdr_bytes)
def __eq__(self, other: object):
if not isinstance(other, self.__class__):
return NotImplemented
return (
self.quorum_sets == other.quorum_sets
and self.ledger_messages == other.ledger_messages
)
def __str__(self):
out = [
f"quorum_sets={self.quorum_sets}",
f"ledger_messages={self.ledger_messages}",
]
return f"<SCPHistoryEntryV0 {[', '.join(out)]}>"