# This is an automatically generated file.
# DO NOT EDIT or your changes may be overwritten
from __future__ import annotations
import base64
import json
from xdrlib3 import Packer, Unpacker
from .base import DEFAULT_XDR_MAX_DEPTH, Opaque
__all__ = ["Uint256"]
[docs]
class Uint256:
"""
XDR Source Code::
typedef opaque uint256[32];
"""
def __init__(self, uint256: bytes) -> None:
_expect_length = 32
if uint256 and len(uint256) != _expect_length:
raise ValueError(
f"The length of `uint256` should be {_expect_length}, but got {len(uint256)}."
)
self.uint256 = uint256
def pack(self, packer: Packer) -> None:
Opaque(self.uint256, 32, True).pack(packer)
@classmethod
def unpack(
cls, unpacker: Unpacker, depth_limit: int = DEFAULT_XDR_MAX_DEPTH
) -> Uint256:
if depth_limit <= 0:
raise ValueError("Maximum decoding depth reached")
uint256 = Opaque.unpack(unpacker, 32, True)
return cls(uint256)
def to_xdr_bytes(self) -> bytes:
packer = Packer()
self.pack(packer)
return packer.get_buffer()
@classmethod
def from_xdr_bytes(cls, xdr: bytes) -> Uint256:
unpacker = Unpacker(xdr)
result = cls.unpack(unpacker)
remaining = len(xdr) - unpacker.get_position()
if remaining != 0:
raise ValueError(f"Unexpected trailing {remaining} bytes in XDR data")
return result
def to_xdr(self) -> str:
xdr_bytes = self.to_xdr_bytes()
return base64.b64encode(xdr_bytes).decode()
@classmethod
def from_xdr(cls, xdr: str) -> Uint256:
xdr_bytes = base64.b64decode(xdr.encode())
return cls.from_xdr_bytes(xdr_bytes)
def to_json(self) -> str:
return json.dumps(self.to_json_dict())
@classmethod
def from_json(cls, json_str: str) -> Uint256:
return cls.from_json_dict(json.loads(json_str))
def to_json_dict(self):
return Opaque.to_json_dict(self.uint256)
@classmethod
def from_json_dict(cls, json_value: str) -> Uint256:
return cls(Opaque.from_json_dict(json_value))
def __hash__(self):
return hash((self.uint256,))
def __eq__(self, other: object):
if not isinstance(other, self.__class__):
return NotImplemented
return self.uint256 == other.uint256
def __repr__(self):
return f"<Uint256 [uint256={self.uint256}]>"