# This is an automatically generated file.
# DO NOT EDIT or your changes may be overwritten
from __future__ import annotations
import base64
from typing import List
from xdrlib3 import Packer, Unpacker
from .scp_envelope import SCPEnvelope
from .scp_quorum_set import SCPQuorumSet
from .stored_transaction_set import StoredTransactionSet
__all__ = ["PersistedSCPStateV0"]
[docs]
class PersistedSCPStateV0:
"""
XDR Source Code::
struct PersistedSCPStateV0
{
SCPEnvelope scpEnvelopes<>;
SCPQuorumSet quorumSets<>;
StoredTransactionSet txSets<>;
};
"""
def __init__(
self,
scp_envelopes: List[SCPEnvelope],
quorum_sets: List[SCPQuorumSet],
tx_sets: List[StoredTransactionSet],
) -> None:
_expect_max_length = 4294967295
if scp_envelopes and len(scp_envelopes) > _expect_max_length:
raise ValueError(
f"The maximum length of `scp_envelopes` should be {_expect_max_length}, but got {len(scp_envelopes)}."
)
_expect_max_length = 4294967295
if quorum_sets and len(quorum_sets) > _expect_max_length:
raise ValueError(
f"The maximum length of `quorum_sets` should be {_expect_max_length}, but got {len(quorum_sets)}."
)
_expect_max_length = 4294967295
if tx_sets and len(tx_sets) > _expect_max_length:
raise ValueError(
f"The maximum length of `tx_sets` should be {_expect_max_length}, but got {len(tx_sets)}."
)
self.scp_envelopes = scp_envelopes
self.quorum_sets = quorum_sets
self.tx_sets = tx_sets
def pack(self, packer: Packer) -> None:
packer.pack_uint(len(self.scp_envelopes))
for scp_envelopes_item in self.scp_envelopes:
scp_envelopes_item.pack(packer)
packer.pack_uint(len(self.quorum_sets))
for quorum_sets_item in self.quorum_sets:
quorum_sets_item.pack(packer)
packer.pack_uint(len(self.tx_sets))
for tx_sets_item in self.tx_sets:
tx_sets_item.pack(packer)
@classmethod
def unpack(cls, unpacker: Unpacker) -> PersistedSCPStateV0:
length = unpacker.unpack_uint()
scp_envelopes = []
for _ in range(length):
scp_envelopes.append(SCPEnvelope.unpack(unpacker))
length = unpacker.unpack_uint()
quorum_sets = []
for _ in range(length):
quorum_sets.append(SCPQuorumSet.unpack(unpacker))
length = unpacker.unpack_uint()
tx_sets = []
for _ in range(length):
tx_sets.append(StoredTransactionSet.unpack(unpacker))
return cls(
scp_envelopes=scp_envelopes,
quorum_sets=quorum_sets,
tx_sets=tx_sets,
)
def to_xdr_bytes(self) -> bytes:
packer = Packer()
self.pack(packer)
return packer.get_buffer()
@classmethod
def from_xdr_bytes(cls, xdr: bytes) -> PersistedSCPStateV0:
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) -> PersistedSCPStateV0:
xdr_bytes = base64.b64decode(xdr.encode())
return cls.from_xdr_bytes(xdr_bytes)
def __hash__(self):
return hash(
(
self.scp_envelopes,
self.quorum_sets,
self.tx_sets,
)
)
def __eq__(self, other: object):
if not isinstance(other, self.__class__):
return NotImplemented
return (
self.scp_envelopes == other.scp_envelopes
and self.quorum_sets == other.quorum_sets
and self.tx_sets == other.tx_sets
)
def __str__(self):
out = [
f"scp_envelopes={self.scp_envelopes}",
f"quorum_sets={self.quorum_sets}",
f"tx_sets={self.tx_sets}",
]
return f"<PersistedSCPStateV0 [{', '.join(out)}]>"