# This is an automatically generated file.
# DO NOT EDIT or your changes may be overwritten
from __future__ import annotations
import base64
from xdrlib3 import Packer, Unpacker
from .scp_statement import SCPStatement
from .signature import Signature
__all__ = ["SCPEnvelope"]
[docs]
class SCPEnvelope:
"""
XDR Source Code::
struct SCPEnvelope
{
SCPStatement statement;
Signature signature;
};
"""
def __init__(
self,
statement: SCPStatement,
signature: Signature,
) -> None:
self.statement = statement
self.signature = signature
def pack(self, packer: Packer) -> None:
self.statement.pack(packer)
self.signature.pack(packer)
@classmethod
def unpack(cls, unpacker: Unpacker) -> SCPEnvelope:
statement = SCPStatement.unpack(unpacker)
signature = Signature.unpack(unpacker)
return cls(
statement=statement,
signature=signature,
)
def to_xdr_bytes(self) -> bytes:
packer = Packer()
self.pack(packer)
return packer.get_buffer()
@classmethod
def from_xdr_bytes(cls, xdr: bytes) -> SCPEnvelope:
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) -> SCPEnvelope:
xdr_bytes = base64.b64decode(xdr.encode())
return cls.from_xdr_bytes(xdr_bytes)
def __hash__(self):
return hash(
(
self.statement,
self.signature,
)
)
def __eq__(self, other: object):
if not isinstance(other, self.__class__):
return NotImplemented
return self.statement == other.statement and self.signature == other.signature
def __str__(self):
out = [
f"statement={self.statement}",
f"signature={self.signature}",
]
return f"<SCPEnvelope [{', '.join(out)}]>"