# 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 ..exceptions import ValueError
from ..type_checked import type_checked
from .scp_envelope import SCPEnvelope
from .uint32 import Uint32
__all__ = ["LedgerSCPMessages"]
[docs]@type_checked
class LedgerSCPMessages:
"""
XDR Source Code::
struct LedgerSCPMessages
{
uint32 ledgerSeq;
SCPEnvelope messages<>;
};
"""
def __init__(
self,
ledger_seq: Uint32,
messages: List[SCPEnvelope],
) -> None:
if messages and len(messages) > 4294967295:
raise ValueError(
f"The maximum length of `messages` should be 4294967295, but got {len(messages)}."
)
self.ledger_seq = ledger_seq
self.messages = messages
def pack(self, packer: Packer) -> None:
self.ledger_seq.pack(packer)
packer.pack_uint(len(self.messages))
for message in self.messages:
message.pack(packer)
@classmethod
def unpack(cls, unpacker: Unpacker) -> "LedgerSCPMessages":
ledger_seq = Uint32.unpack(unpacker)
length = unpacker.unpack_uint()
messages = []
for _ in range(length):
messages.append(SCPEnvelope.unpack(unpacker))
return cls(
ledger_seq=ledger_seq,
messages=messages,
)
def to_xdr_bytes(self) -> bytes:
packer = Packer()
self.pack(packer)
return packer.get_buffer()
@classmethod
def from_xdr_bytes(cls, xdr: bytes) -> "LedgerSCPMessages":
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) -> "LedgerSCPMessages":
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.ledger_seq == other.ledger_seq and self.messages == other.messages
def __str__(self):
out = [
f"ledger_seq={self.ledger_seq}",
f"messages={self.messages}",
]
return f"<LedgerSCPMessages {[', '.join(out)]}>"