# This is an automatically generated file.
# DO NOT EDIT or your changes may be overwritten
from __future__ import annotations
import base64
import json
from typing import Optional
from xdrlib3 import Packer, Unpacker
from .base import DEFAULT_XDR_MAX_DEPTH
from .public_key_type import PublicKeyType
from .uint256 import Uint256
__all__ = ["PublicKey"]
[docs]
class PublicKey:
"""
XDR Source Code::
union PublicKey switch (PublicKeyType type)
{
case PUBLIC_KEY_TYPE_ED25519:
uint256 ed25519;
};
"""
def __init__(
self,
type: PublicKeyType,
ed25519: Optional[Uint256] = None,
) -> None:
self.type = type
self.ed25519 = ed25519
def pack(self, packer: Packer) -> None:
self.type.pack(packer)
if self.type == PublicKeyType.PUBLIC_KEY_TYPE_ED25519:
if self.ed25519 is None:
raise ValueError("ed25519 should not be None.")
self.ed25519.pack(packer)
return
raise ValueError("Invalid type.")
@classmethod
def unpack(
cls, unpacker: Unpacker, depth_limit: int = DEFAULT_XDR_MAX_DEPTH
) -> PublicKey:
if depth_limit <= 0:
raise ValueError("Maximum decoding depth reached")
type = PublicKeyType.unpack(unpacker)
if type == PublicKeyType.PUBLIC_KEY_TYPE_ED25519:
ed25519 = Uint256.unpack(unpacker, depth_limit - 1)
return cls(type=type, ed25519=ed25519)
raise ValueError("Invalid type.")
def to_xdr_bytes(self) -> bytes:
packer = Packer()
self.pack(packer)
return packer.get_buffer()
@classmethod
def from_xdr_bytes(cls, xdr: bytes) -> PublicKey:
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) -> PublicKey:
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) -> PublicKey:
return cls.from_json_dict(json.loads(json_str))
def to_json_dict(self) -> str:
from ..strkey import StrKey
assert self.ed25519 is not None
return StrKey.encode_ed25519_public_key(self.ed25519.uint256)
@classmethod
def from_json_dict(cls, json_value: str) -> PublicKey:
from ..strkey import StrKey
from .public_key_type import PublicKeyType
from .uint256 import Uint256
raw = StrKey.decode_ed25519_public_key(json_value)
return cls(type=PublicKeyType.PUBLIC_KEY_TYPE_ED25519, ed25519=Uint256(raw))
def __hash__(self):
return hash(
(
self.type,
self.ed25519,
)
)
def __eq__(self, other: object):
if not isinstance(other, self.__class__):
return NotImplemented
return self.type == other.type and self.ed25519 == other.ed25519
def __repr__(self):
out = []
out.append(f"type={self.type}")
if self.ed25519 is not None:
out.append(f"ed25519={self.ed25519}")
return f"<PublicKey [{', '.join(out)}]>"