# 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, Integer
from .persisted_scp_state_v0 import PersistedSCPStateV0
from .persisted_scp_state_v1 import PersistedSCPStateV1
__all__ = ["PersistedSCPState"]
[docs]
class PersistedSCPState:
"""
XDR Source Code::
union PersistedSCPState switch (int v)
{
case 0:
PersistedSCPStateV0 v0;
case 1:
PersistedSCPStateV1 v1;
};
"""
def __init__(
self,
v: int,
v0: PersistedSCPStateV0 | None = None,
v1: PersistedSCPStateV1 | None = None,
) -> None:
self.v = v
self.v0 = v0
self.v1 = v1
def pack(self, packer: Packer) -> None:
Integer(self.v).pack(packer)
if self.v == 0:
if self.v0 is None:
raise ValueError("v0 should not be None.")
self.v0.pack(packer)
return
if self.v == 1:
if self.v1 is None:
raise ValueError("v1 should not be None.")
self.v1.pack(packer)
return
raise ValueError("Invalid v.")
@classmethod
def unpack(
cls, unpacker: Unpacker, depth_limit: int = DEFAULT_XDR_MAX_DEPTH
) -> PersistedSCPState:
if depth_limit <= 0:
raise ValueError("Maximum decoding depth reached")
v = Integer.unpack(unpacker)
if v == 0:
v0 = PersistedSCPStateV0.unpack(unpacker, depth_limit - 1)
return cls(v=v, v0=v0)
if v == 1:
v1 = PersistedSCPStateV1.unpack(unpacker, depth_limit - 1)
return cls(v=v, v1=v1)
raise ValueError("Invalid v.")
def to_xdr_bytes(self) -> bytes:
packer = Packer()
self.pack(packer)
return packer.get_buffer()
@classmethod
def from_xdr_bytes(cls, xdr: bytes) -> PersistedSCPState:
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) -> PersistedSCPState:
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) -> PersistedSCPState:
return cls.from_json_dict(json.loads(json_str))
def to_json_dict(self):
if self.v == 0:
assert self.v0 is not None
return {"v0": self.v0.to_json_dict()}
if self.v == 1:
assert self.v1 is not None
return {"v1": self.v1.to_json_dict()}
raise ValueError(f"Unknown v in PersistedSCPState: {self.v}")
@classmethod
def from_json_dict(cls, json_value: dict) -> PersistedSCPState:
if len(json_value) != 1:
raise ValueError(
f"Expected a single-key object for PersistedSCPState, got: {json_value}"
)
key = next(iter(json_value))
v = int(key[1:])
if key == "v0":
v0 = PersistedSCPStateV0.from_json_dict(json_value["v0"])
return cls(v=v, v0=v0)
if key == "v1":
v1 = PersistedSCPStateV1.from_json_dict(json_value["v1"])
return cls(v=v, v1=v1)
raise ValueError(f"Unknown key '{key}' for PersistedSCPState")
def __hash__(self):
return hash(
(
self.v,
self.v0,
self.v1,
)
)
def __eq__(self, other: object):
if not isinstance(other, self.__class__):
return NotImplemented
return self.v == other.v and self.v0 == other.v0 and self.v1 == other.v1
def __repr__(self):
out = []
out.append(f"v={self.v}")
if self.v0 is not None:
out.append(f"v0={self.v0}")
if self.v1 is not None:
out.append(f"v1={self.v1}")
return f"<PersistedSCPState [{', '.join(out)}]>"